DOUBLE-LAYER ELASTIC UNIT STRUCTURE CONFIGURED TO BE ASSEMBLED AND DISASSEMBLED AND FUNCTIONAL PAD

Description

RELATED APPLICATIONS

This application claims priority to Chinese patent application number 202410832407.4, filed on Jun. 26, 2024. Chinese patent application number 202410832407.4 is incorporated herein by reference.

FIELD OF THE DISCLOSURE

The present disclosure relates to the technical field of household springs, and in particular relates to a double-layer elastic unit structure configured to be assembled and disassembled, and a functional pad.

BACKGROUND OF THE DISCLOSURE

Household springs are commonly used in furniture, mattresses, chairs, seats, sofas, and other equipment to provide elastic support, vibration absorption, and cushioning so as to increase comfort and durability of use. Needed types and shapes of springs will vary for various home equipment.

Household springs have a relatively high elasticity and are configured to support various home equipment, providing good cushioning and elastic support. Household springs provide support through elastic deformation and rebound, and the support is one of the important functions of the springs.

The existing assemblable household functional pad can adapt to needs of different users by assembling a plurality of elastic unit structures together to achieve flexible combination and customization of the functional pad. Various of the plurality of elastic unit structures are connected by fasteners or compression, so as to enable a whole mattress to have a better performance in disassembling and assembling. However, the existing assemblable household functional pad involves assembling of the plurality of elastic unit structures in a single layer and cannot meet height requirements for assembling double layers of the functional pad. Therefore, the functional pad shows a single function and still cannot meet the requirements of the customer in usage scenarios with height requirements.

BRIEF SUMMARY OF THE DISCLOSURE

As functional pads in the existing technology cannot meet the requirements for assembling double layers, the main technical problem to be solved by the present disclosure is to provide a double-layer elastic unit structure configured to be assembled and disassembled.

In order to solve the aforementioned technical problems, the present disclosure provides a double-layer elastic unit structure configured to be assembled and disassembled, the double-layer elastic unit structure comprises a lower spring module and an upper spring module configured to be assembled and disassembled, the lower spring module comprises a plurality of lower spring members, the upper spring module comprises a plurality of upper spring members, an insertion member is disposed on one spring member of each of the plurality of upper spring members and a corresponding one of the plurality of lower spring members, the other spring member of each of the plurality of upper spring members and the corresponding one of the plurality of lower spring members comprises an interface, the insertion member and the interface form a detachable connection, the upper spring module comprises one or more third connecting members, the one or more third connecting members are used for a pairwise connection between the plurality of upper spring members, the one or more third connecting members are disposed on ends of the plurality of upper spring members away from a plug-in connection of the plurality of upper spring members with the plurality of lower spring members, the lower spring module comprises a base, the plurality of lower spring members are disposed on the base, the base is configured to be assembled and disassembled to an adjacent base, the double-layer elastic unit structure comprises connecting bodies, the connecting bodies are configured for elastic deformation in a height direction, the connecting bodies are formed by connecting the plurality of upper spring members and the plurality of lower spring members, and radii of the connecting bodies are gradually expanded upwardly and downwardly from connections of the plurality of upper spring members and the plurality of lower spring members.

In a preferred embodiment, the insertion member is a tapered protrusion, the interface is a tapered concave cavity, and the tapered protrusion is inserted into the tapered concave cavity.

In a preferred embodiment, the plurality of upper spring members comprise upper tapered springs and fixed sleeves of the upper tapered springs, the upper tapered springs are disposed in the fixed sleeves of the upper tapered springs, and tapered small ends of the fixed sleeves of the upper tapered springs form a detachable connection with the plurality of lower spring members.

In a preferred embodiment, the plurality of lower spring members comprise lower tapered springs and fixed sleeves of the lower tapered springs, the lower tapered springs are disposed in the fixed sleeves of the lower tapered springs, and tapered small ends of the fixed sleeves of the lower tapered springs form a detachable connection with the plurality of upper spring members.

In a preferred embodiment, the base and the plurality of lower spring members are integrated.

In a preferred embodiment, the plurality of lower spring members are fixed to the base, or the plurality of lower spring members are detachably connected to the base.

In a preferred embodiment, a first slide rail is disposed on the base, first slide seats are disposed on the plurality of lower spring members, the first slide seats are disposed on ends of the plurality of lower spring members away from a plug-in connection of the plurality of lower spring members with the plurality of upper spring members, and corresponding ones of the first slide seats and the first slide rail form a detachable draw-out assembly.

In a preferred embodiment, a first draw-out opening is disposed on a first side of the base, a buckling edge is disposed on a second side of the base, a locking member is disposed at a position of the first draw-out opening, corresponding ones of the plurality of lower spring members slide into the first slide rail using corresponding ones of the first slide seats, a first one of the corresponding ones of the plurality of lower spring members abuts the buckling edge, and a last one of the corresponding ones of the plurality of lower spring members is locked to the locking member to enable the corresponding ones of the plurality of lower spring members to be fixed to the base.

In a preferred embodiment, a first elastic protrusion is disposed at the position of the first draw-out opening, edges of the first slide seats comprise first grooves, and when the corresponding ones of the first slide seats slide into the first slide rail, the first elastic protrusion is buckled into a corresponding one of the first grooves, and the first elastic protrusion cooperates with the corresponding one of the first grooves to form the locking member.

In a preferred embodiment, the plurality of lower spring members are disposed on the base in a single row or double rows.

In a preferred embodiment, each of the single row or the double rows comprises at least three of the plurality of lower spring members.

In a preferred embodiment, the one or more third connecting members are disposed on the ends of the plurality of upper spring members and are integrated with the plurality of upper spring members, and the one or more third connecting members are arranged as buckling connections.

In a preferred embodiment, the buckling connection is a buckling structure of at least one of a point-touch buckle, a differential-drive buckle, or an elastic-sheet buckle.

In a preferred embodiment, each of the one or more third connecting members comprises first connectors and second connectors, the first connectors and the second connectors are alternatively arranged on an edge of a corresponding one of the plurality of upper spring members, a buckling groove is disposed on a first one of each of the first connectors and a corresponding one of the second connectors, a second one of each of the first connectors and the corresponding one of the second connectors comprises an elastic buckling member, when each of the first connectors on a first one of the plurality of upper spring members is connected to a corresponding one of the second connectors on a second one of the plurality of upper spring members, the elastic buckling member is placed in the buckling groove to form a locked connection, and the elastic buckling member is pressed to enable the elastic buckling member to be separated from the buckling groove so as to release the locked connection.

In a preferred embodiment, the first one of each of the first connectors and the corresponding one of the second connectors comprises an upper buckling plate and a lower buckling plate, a gap is disposed between the upper buckling plate and the lower buckling plate, the gap is configured to receive the elastic buckling member, and the upper buckling plate comprises the buckling groove or the upper buckling plate and the lower buckling plate comprise the buckling groove.

In a preferred embodiment, the second one of each of the first connectors and the corresponding one of the second connectors comprises an insertion plate, the insertion plate is hollow and is connected to the elastic buckling member, a protrusion is disposed on the elastic buckling member, and when the elastic buckling member is buckled into the buckling groove, the protrusion abuts a bottom edge of the buckling groove.

In a preferred embodiment, the one or more third connecting members form a corresponding one of fixed seats, the plurality of upper spring members are disposed on the corresponding one of the fixed seats, the plurality of upper spring members and the corresponding one of the fixed seats are integrated, and two of the fixed seats are independent and are not connected or the two of the fixed seats are configured to be assembled to form a connection.

In a preferred embodiment, the one or more third connecting members form a corresponding one of fixed seats, the plurality of upper spring members are disposed on the corresponding one of the fixed seats, the plurality of upper spring members are fixed to the corresponding one of the fixed seats or the plurality of upper spring members are detachably connected to the corresponding one of the fixed seats, and the fixed seats are independent and are not connected pairwise or the fixed seats are configured to be assembled pairwise to form a connection.

In a preferred embodiment, a second slide rail is disposed on the corresponding one of the fixed seats, second slide seats are disposed on the plurality of upper spring members, the second slide seats are disposed on the ends of the plurality of upper spring members away from the plug-in connection of the plurality of upper spring members with the plurality of lower spring members, and corresponding ones of the second slide seats and the second slide rail form a detachable draw-out assembly.

In a preferred embodiment, a second draw-out opening in correspondence with the second slide rail is disposed on the corresponding one of the fixed seats, a locking member is disposed on the second draw-out opening, and corresponding one of the plurality of upper spring members slide into the second slide rail using corresponding one of the second slide seats and are secured in the second slide rail using the locking member.

In a preferred embodiment, a second elastic protrusion is disposed at a position of the second draw-out opening, and edges of the second slide seats comprise second grooves. When the corresponding ones of the second slide seats slide into the second slide rail, the second elastic protrusion is buckled into a corresponding one of the second grooves, and the second elastic protrusion cooperates with the corresponding one of the second grooves to form the locking member.

In a preferred embodiment, the plurality of upper spring members are disposed on the corresponding one of the fixed seats in a single row or double rows.

In a preferred embodiment, each row of the single row or the double rows of the corresponding one of the fixed seats comprises at least three of the plurality of upper spring members.

The present disclosure further provides a double-layer elastic unit structure configured to be assembled and disassembled, the double-layer elastic unit structure comprises a lower spring module and an upper spring module configured to be assembled and disassembled, the lower spring module comprises a plurality of lower spring members, the upper spring module comprises a plurality of upper spring members, an insertion member is disposed on one spring member of each of the plurality of upper spring members and a corresponding one of the plurality of lower spring members, the other spring member of each of the plurality of upper spring members and the corresponding one of the plurality of lower spring members comprises an interface, the insertion member and the interface form a detachable connection, the plurality of upper spring members are independent and are not connected pairwise, the lower spring module comprises a base, the plurality of lower spring members are disposed on the base, the base is configured to be assembled and disassembled to an adjacent base, the double-layer elastic unit structure comprises connecting bodies, the connecting bodies are configured for elastic deformation in a height direction, the connecting bodies are formed by connecting the plurality of upper spring members and the plurality of lower spring members, radii of the connecting bodies are gradually expanded upwardly and downwardly from connections of the plurality of upper spring members and the plurality of lower spring members, and the connecting bodies are independent.

The present disclosure further provides a functional pad, the functional pad is assembled by multiple elastic unit structures, and each of the multiple elastic unit structures is the double-layer elastic unit structure configured to be assembled and disassembled.

In a preferred embodiment, the base and the adjacent base are configured to be assembled, and the functional pad is assembled using the base and the adjacent base.

In a preferred embodiment, a pad layer is laid on an upper side of the functional pad.

In a preferred embodiment, an outer side of the functional pad is wrapped with a cloth cover.

Compared with the existing techniques, the technical solution has the following advantages.

1. The double-layer elastic unit structure configured to be assembled is provided. The elastic unit structure can be assembled to form the functional pad by itself, and the spring unit structure comprises the upper spring module and the lower spring module that can be assembled up and down. An assemblable structure of the upper spring module and the lower spring module is used, enabling the functional pad to have two usage modes, namely a single layer and double layers. A height can be increased to meet height requirements for use by assembling the upper spring module in a case that the height of the single layer is insufficient.

2. The double-layer elastic unit structure configured to be assembled is provided. Another one-layer structure is added to the existing single-layer functional pad to meet requirements for assembling double layers, and functional diversities of the functional pad are improved to meet the requirements of the customer in use scenarios with height requirements.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 illustrates an overall structural view of an elastic unit structure in an embodiment of the present disclosure;

FIG. 2 illustrates an exploded structural view of the elastic unit structure in the embodiment of the present disclosure;

FIG. 3 illustrates a view of a lower spring module and an upper spring module that are being assembled in the embodiment of the present disclosure;

FIG. 4 illustrates a diagrammatic view of the lower spring module and the upper spring module that have been assembled in the embodiment of the present disclosure;

FIG. 5 illustrates an overall structural view of a functional pad in the embodiment of the present disclosure;

FIG. 6 illustrates a structural view of a soft cushion layer laid on the functional pad in the embodiment of the present disclosure;

FIG. 7 illustrates a structural view of a cloth cover sleeved over an outer side of the functional pad in the embodiment of the present disclosure;

FIG. 8 illustrates a structural view of an independent upper spring member in Embodiment 1 of the present disclosure;

FIG. 9 illustrates a view of an elastic unit structure that is being assembled in Embodiment 1 of the present disclosure;

FIG. 10 illustrates a structural view of fixed sleeves of lower tapered springs and a base that are integrated in Embodiment 1 of the present disclosure;

FIG. 11 illustrates a structural view of an overall structure of a lower spring module in Embodiment 1 of the present disclosure;

FIG. 12 illustrates a structural view of fixed sleeves of lower tapered springs and a base that are separated in Embodiment 2 of the present disclosure;

FIG. 13 illustrates an overall structural diagram of a lower spring module in Embodiment 2 of the present disclosure;

FIG. 14 illustrates a structural view of an upper spring member in Embodiment 3 of the present disclosure;

FIG. 15 illustrates a diagrammatic view of upper spring members connected by third connection members in Embodiment 3 of the present disclosure;

FIG. 16 illustrates a structural diagrammatic view of an upper spring module in Embodiment 4 of the present disclosure;

FIG. 17 illustrates a diagrammatic view of upper spring members connected by third connecting members in Embodiment 4 of the present disclosure;

FIG. 18 illustrates a diagrammatic view of a single-row upper spring module that is being assembled in Embodiment 4 of the present disclosure;

FIG. 19 illustrates a structural diagrammatic view of a double-row upper spring module in Embodiment 4 of the present disclosure;

FIG. 20 illustrates a structural view of the double-row upper spring module (with built-in springs) in Embodiment 4 of the present disclosure;

FIG. 21 illustrates a structural view of fixed sleeves of upper tapered springs and a base that are separated in Embodiment 5 of the present disclosure; and

FIG. 22 illustrates a structural view of a double-row upper spring module in Embodiment 5 of the present disclosure.

Reference numbers in the accompanying drawings: upper spring module 1; upper spring member 11; upper tapered spring 111; fixed sleeve 112 of the upper tapered spring; second slide seat 113; second groove 114; tapered protrusion 12; third connecting member 13; first connector 131; buckling groove 1311; upper buckling plate 1312; lower buckling plate 1313; second connector 132; insertion plate 1321; elastic buckling member 1322; protrusion 1323; fixed seat 133; second slide rail 1331; second draw-out opening 1332; second elastic protrusion 1333; lower spring module 2; lower spring member 21; lower tapered spring 211; fixed sleeve 212 of the lower tapered spring; first slide seat 213; first groove 214; tapered concave cavity 22; base 23; first slide rail 231; first draw-out opening 232; buckling edge 233; first elastic protrusion 234; elastic unit structure 3; functional pad 4; soft pad layer 5; and cloth cover 6.

DETAILED DESCRIPTION OF THE EMBODIMENTS

The technical solutions of the embodiments of the present disclosure will be clearly and completely described below in combination with the drawings of the embodiments of the present disclosure. It should be obvious that the embodiments described below are merely some of the embodiments of the present disclosure instead of all embodiments. All other embodiments fall into the protection scope of the present disclosure provided that they are obtained by a person of skill in the art based on the embodiments of the present disclosure without creative works.

In the description of the present disclosure, it should be noted that terms, such as “upper”, “lower”, “inner”, “outer”, “top”, and “bottom”, refer to orientations or positional relationships based on the orientations and the positional relationships shown in the drawings. These terms are used for convenience in describing the present disclosure and simplifying the description, rather than indicating or implying that the device or the element should have a specified orientation or should be constructed or operated in a specified orientation, and should not be interpreted as a limitation of the present disclosure. Additionally, the terms “first” and “second” are merely used for descriptive purposes and should not be understood to indicate or imply relative importance.

In the description of the present disclosure, unless otherwise clearly stated or limited, it should be noted that terms, such as “installed”, “disposed”, “mounted”, “sleeved”, and “connected”, should develop broad understandings. For example, “connected” can refer to a wall-mounted connection, a detachable connection, an integrated connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection through an intermediate medium, or an internal communication between two components. The specified meaning of the terms in the present disclosure can be understood by those of skill in the art based on the specified conditions.

Referring to FIGS. 1-7, this embodiment provides double-layer elastic unit structures 3 configured to be assembled and disassembled. The double-layer elastic unit structures 3 comprise lower spring modules 2 and upper spring modules 1 configured to be assembled and disassembled. Each of the lower spring modules 2 comprises a plurality of lower spring members 21, and each of the upper spring modules 1 comprises a plurality of upper spring members 11.

Each of the plurality of upper spring members 11 comprises an upper tapered spring 111 and a fixed sleeve 112 of the upper tapered spring 111, and the upper tapered spring 111 is disposed in the fixed sleeve 112 of the upper tapered spring 111. Each of the plurality of lower spring members 21 comprises a lower tapered spring 211 and a fixed sleeve 212 of the lower tapered spring 211, and the lower tapered spring 211 is disposed in the fixed sleeve 212 of the lower tapered spring 211.

A structure configured to be assembled and disassembled of each of the lower spring modules 2 and a corresponding one of the upper spring modules 1 is designed as follows. Upper and lower plug-in structures of each of the plurality of upper spring members 11 and a corresponding one of the plurality of lower spring members 21 are used as an assembling structure. An insertion member is disposed on one spring member of one of the plurality of upper spring members 11 or a corresponding one of the plurality of lower spring members 21, and the other spring member of the one of the plurality of upper spring members 11 or the corresponding one of the plurality of lower spring members 21 comprises an interface. The insertion member and the interface form a detachable connection.

A specific structure is that the insertion member is disposed on a tapered small end of the fixed sleeve 112 of the upper tapered spring 111 of each of the plurality of upper spring members 11, and the insertion member is a tapered protrusion 12 protruding from an end face of the fixed sleeve 112 of the upper tapered spring 111. A tapered small end of the fixed sleeve 212 of the lower tapered spring 211 of a corresponding one of the plurality of lower spring members 21 comprises the interface, and the interface is a tapered concave cavity 22 recessing inward from an end face of the fixed sleeve 212 of the lower tapered spring 211. The tapered protrusion 12 is configured to be inserted into the tapered concave cavity 22 to form a detachable connection.

Each of the lower spring modules 2 comprises a base 23. The plurality of lower spring members 21 are disposed on the base 23, and the plurality of lower spring members 21 can optionally be undetachably fixed to the base 23 or be disposed on the base 23 using a detachable configuration. The plurality of lower spring members 21 are disposed on the base 23 in a single row or double rows, and the base 23 is configured such that three of the plurality of lower spring members 21 are disposed in each of the single row or the double rows.

Each of the upper spring modules 1 can be formed by the plurality of upper spring members 11 that are independent and are assembled on a corresponding one of the lower spring modules 2 one by one. Apart from pairwise assembled connections of the plurality of upper spring members 11 and the plurality of lower spring members 21, the plurality of upper spring members 11 are independent structures without connection. Alternatively, referring to FIGS. 14-22, each of the upper spring modules 1 is configured such that the plurality of upper spring members 11 are connected by third connecting members 13, a conjoined structure can be firstly formed by the third connecting members 13 and then assembled on the corresponding one of the lower spring modules 2, and the plurality of upper spring members 11 are connected together pairwise.

Each of the double-layer elastic unit structures 3 is formed by assembling a corresponding one of the upper spring modules 1 and a corresponding one of the lower spring modules 2, and the double-layer elastic unit structures 3 can be assembled together pairwise to form a functional pad 4. An assembling structure of each of the double-layer elastic unit structures 3 is disposed on the base 23 of a corresponding one of the lower spring modules 2, and multiple of the double-layer elastic unit structures 3 are assembled by the base 23 of a first one of the lower spring modules 2 and the base of a second one of the lower spring modules 2 configured to be assembled to each other.

The elastic unit structure comprises connecting bodies 30, and the connecting bodies 30 are configured for elastic deformation in a height direction. The connecting bodies 30 are formed by connecting the plurality of upper spring members 11 and the plurality of lower spring members 21, and radii of the connecting bodies 30 are gradually expanded upwardly and downwardly from connections of the plurality of upper spring members 11 and the plurality of lower spring members 21.

A soft pad layer 5 can be laid over a top of the functional pad 4. The soft pad layer 5 is disposed on a top of the upper spring modules 1, so as to increase a softness and comfort of the functional pad 4 by the soft pad layer 5. When a functional pad 4 is used, a cloth cover 6 is wrapped around an outer side of the functional pad 4 to be more beautiful.

Embodiment 1

As shown in FIGS. 8-11, an elastic unit structure 3 is provided, and the elastic unit structure 3 comprises an upper spring module 1 and a lower spring module 2 configured to be assembled to each other.

The upper spring module 1 comprises a plurality of upper spring members 11 that are independent, and the plurality of upper spring members 11 comprise tapered protrusions 12.

The lower spring module 2 comprises a plurality of lower spring members 21 that are independent and are assembled on a base 23, and the plurality of lower spring members 21 comprise tapered concave cavities 22.

The lower spring module 2 is arranged as an integrated structure. That is, the plurality of lower spring members 21 are fixed to the base 23 and cannot be separated from the base 23. The plurality of lower spring members 21 can be fixed to the base 23 by a fixing structure, or fixed sleeves 212 of lower tapered springs of the plurality of lower spring members 21 can be integrated with the base 23.

As assembly of the elastic unit structure 3 uses the lower spring module 2 as a foundation, the plurality of upper spring members 11 of the upper spring module 1 that are independent are disposed on the foundation one by one by plugging, and the tapered protrusions 12 are inserted into the tapered concave cavities 22 to complete an assembled assembly of the elastic unit structure 3.

Embodiment 2

As shown in FIGS. 12 and 15, an elastic unit structure 3 is provided, and the elastic unit structure 3 comprises an upper spring module 1 and a lower spring module 2 configured to be assembled to each other.

The upper spring module 1 comprises a plurality of upper spring members 11 that are independent, and the plurality of upper spring members 11 comprises tapered protrusions 12.

The lower spring module 2 comprises a plurality of lower spring members 21 that are independent and are assembled to a base 23, and the plurality of lower spring members 21 comprise tapered concave cavities 22.

The lower spring module 2 is arranged as a split structure. That is, the plurality of lower spring members 21 are detachably connected to the base 23 and can be detachably separated from the base 23. The specific structure is as follows.

A first slide rail 231 is disposed on the base 23, and first slide seats 213 are disposed on the plurality of lower spring members 21. The first slide seats 213 are disposed on tapered large ends of the plurality of lower spring members 21, and the first slide seats 213 form a detachable draw-out connection with the first slide rail 231. A first draw-out opening 232 is disposed on a first side of the base 23, and the first draw-out opening 232 is in communication with the first slide rail 231. A buckling edge 233 is disposed on a second side of the base 23 opposite to the first draw-out opening 232, and the first draw-out opening 232 is used to allow the first slide seats 213 of the plurality of lower spring members 21 to slide into the first slide rail 231. A locking member is disposed at a position of the first draw-out opening 232, and a first one of a sufficient number of the plurality of lower spring members 21 abuts the buckling edge 233 after the sufficient number of the plurality of lower spring members 21 have slid into the first slide rail 231 of the base 23. The locking member is used to lock a last one of the sufficient number of the plurality of lower spring members 21 to restrict the last one of the sufficient number of the plurality of lower spring members 21 from sliding out of the first slide rail 231 after the last one of the sufficient number of the plurality of lower spring members 21 has slid into the base 23, thereby securing the plurality of lower spring members 21 to the base 23.

The locking member can adopt an existing buckling connection or plug-in connection, and the locking member involved in this embodiment can be a structure that can be locked or unlocked.

This embodiment provides a specific structure of the locking member in which a first elastic protrusion 234 is disposed at the position of the first draw-out opening 232, and edges of the first slide seats 213 comprise first grooves 214. When a corresponding one of the first slide seats 213 on the last one of the sufficient number of the plurality of lower spring members 21 slides into the first slide rail 231, the first elastic protrusion 234 is buckled into a corresponding one of the first grooves 214 on the last one of the sufficient number of the plurality of lower spring members 21, and the first elastic protrusion 234 cooperates with the corresponding one of the first grooves 214 to form the locking member. When it is necessary to disassemble, merely the first elastic protrusion 234 is pressed to be deformed so as to be separated from the corresponding one of the first grooves 214.

Embodiment 3

As shown in FIGS. 12 and 15, an elastic unit structure 3 different from Embodiment 1 and Embodiment 2 is provided. The elastic unit structure 3 comprises an upper spring module 1 and a lower spring module 2 configured to be assembled to each other.

The lower spring module 2 comprises a plurality of lower spring members 21 that are independent and are assembled to a base 23, and the plurality of lower spring members 21 comprise tapered concave cavities 22. The plurality of lower spring members 21 can be fixed to the base 23 or the plurality of lower spring members 21 form a detachable connection with the base 23.

A difference between this embodiment and Embodiments 1 and 2 is that, in this embodiment, the upper spring module 1 is formed by a plurality of upper spring members 11 connected by third connecting members 13. The plurality of upper spring members 11 comprise tapered protrusions 12.

Buckling connection structures are disposed on edges of tapered large ends of fixed sleeves 112 of upper tapered springs in the plurality of upper spring members 11. The buckling connection structures used as the third connecting members 13 to implement a pairwise connection of the plurality of upper spring members 11.

Each of the third connecting members 13 comprises first connectors 131 and second connectors 132, and the first connectors 131 and the second connectors 132 are alternatively arranged on each of the edges of the tapered large ends of the fixed sleeves 112 of the upper tapered springs.

Each of the first connectors 131 comprises a buckling groove 1311, and each of the first connectors 131 comprises an upper buckling plate 1312 and a lower buckling plate 1313. A gap is formed between the upper buckling plate 1312 and the lower buckling plate 1313. The buckling groove 1311 passes through the upper buckling plate 1312 and the lower buckling plate 1313 along a vertical direction.

An elastic buckling member 1322 is disposed on each of the second connectors 132, and each of the second connectors 132 comprises an insertion plate 1321. The insertion plate 1321 is hollow and is connected to the elastic buckling member 1322, and a protrusion 1323 is disposed on the elastic buckling member 1322.

When two of the plurality of upper spring members 11 are connected, a corresponding one of the second connectors 132 on a first one of the plurality of upper spring members 11 is inserted into a corresponding one of the first connectors 131 on a second one of the plurality of upper spring members 11. The insertion plate 1321 is inserted into the gap between the upper buckling plate 1312 and the lower buckling plate 1313 until the elastic buckling member 1322 passes through the upper buckling plate 1312 and the lower buckling plate 1313 to be accommodated in the buckling groove 1311. The elastic buckling member 1322 protrudes upward due to an elastic force of the elastic buckling member 1322 and protrudes to be buckled into the buckling groove 1311 disposed on the upper buckling plate 1312, thus forming a buckling-fixed connection. When the elastic buckling member 1322 protrudes upward, the protrusion 1323 abuts a bottom edge of the buckling groove 1311 disposed on the upper buckling plate 1312, thus avoiding excessive protrusion of the elastic buckling member 1322. When it is necessary to disassemble, merely the elastic buckling member 1322 is pressed downward within the buckling groove 1311 to move downward to be aligned with the gap, and the insertion plate 1321 is then drawn out.

In this embodiment, the buckling connection structures used as the third connecting members 13 can adopt a buckling structure of at least one of a point-touch buckle, differential-drive buckle, or elastic-sheet buckle, and the third connecting members 13 involved in this embodiment can be structures that can be locked or unlocked.

Embodiment 4

As shown in FIGS. 16-20, an elastic unit structure 3 different from Embodiment 3 is provided.

The difference between this embodiment and Embodiment 3 is that in this embodiment, the upper spring module 1 is formed by a plurality of upper spring members 11 connected by a third connecting member 13, and the third connecting member 13 is not arranged as a buckling connection. The third connecting member is instead a fixed seat 133. The plurality of upper spring members 11 can be disposed on the fixed seat 133, and the plurality of upper spring members 11 are connected by the fixed seat 133.

The fixed seat 133 and the plurality of upper spring members 11 are a combined structure. That is, the upper spring module 1 is arranged as an integrated structure, and the plurality of upper spring members 11 are fixed to the fixed seat 133 and cannot be separated from the fixed seat 133. The plurality of upper spring members 11 can be fixed to the fixed seat 133 by a fixing structure, or fixed sleeves 112 of upper tapered springs in the plurality of upper spring members 11 can be integrally disposed on the fixed seat 133.

The fixed seat 133 and the plurality of upper spring members 11 are the combined structure and can be the combined structure in a single row or the combined structure in double rows, and three of the plurality of upper spring members 11 are disposed on the fixed seat 133 in each row of the single row or the double rows.

Embodiment 5

As shown in in FIGS. 21 and 22, an elastic unit structure 3 different from Embodiment 4 is provided.

The difference between this embodiment and Embodiment 4 is that in this embodiment, the upper spring module 1 is formed by a plurality of upper spring members 11 connected by a third connecting member 13, and the third connecting member 13 is not disposed on the plurality of upper spring members 11. Rather, the third connecting member 13 is an independent member.

The third connecting member 13 is a fixed seat 133. The plurality of upper spring members 11 can be disposed on the fixed seat 133, and the plurality of upper spring members 11 are connected by the fixed seat 133.

The fixed seat 133 and the plurality of upper spring members 11 form a detachable connection structure. The specific structure is as follows.

A second slide rail 1331 is disposed on the fixed seat 133, and second slide seats 113 are disposed on the plurality of upper spring members 11. The second slide seats 113 are disposed on tapered large ends of the plurality of upper spring members 11. The second slide seats 113 and the second slide rail 1331 form a detachable draw-out installation.

A second draw-out opening 1332 is disposed on one side of the fixed seat 133, and the second draw-out opening 1332 is in communication the second slide rail 1331. The second draw-out opening 1332 is used to allow the second slide seats 113 of the plurality of upper spring members 11 to slide into the second slide rail 1331. A locking member is disposed at a position of the second draw-out opening 1332. After a sufficient number of the plurality of upper spring members 11 have slid into the second slide rail 1331 of the fixed seat 133, the locking member is locked to a last one of the plurality of upper spring members 11 so as to restrict the last one of the plurality of upper spring members 11 from sliding out of the second slide rail 1331 after the last one of the plurality of upper spring members 11 has slid into the fixed seat 133, thereby securing the plurality of upper spring members 11 to the fixed seat 133.

The locking member can adopt the existing buckling connection or plug-in connection, and the locking member involved in this embodiment can be a structure that can be locked or unlocked

This embodiment provides a specific structure of the locking member. A second elastic protrusion 1333 is disposed at the position of the second draw-out opening 1332, and edges of the second slide seats 113 comprise second grooves 114. When a corresponding one of the second slide seats 113 on the last one of the plurality of upper spring members 11 slides into the second slide rail 1331, the second elastic protrusion 1333 is buckled into a corresponding one of the second grooves 114 on the last one of the plurality of upper spring members 11, and the second elastic protrusion 1333 cooperates with the corresponding one of the second grooves 114 to form the locking member. When it is necessary to disassemble, merely the second elastic protrusion 1333 is pressed to be deformed so as to be separated from the corresponding one of the second grooves 114.

The aforementioned description is merely specific implement methods of the present disclosure, however, the design and the concept of the present disclosure are not limited thereto. All non-substantive modifications of the present disclosure fall within the protection scope of the present disclosure provided that they are made based on the concept within the technical scope disclosed by the present disclosure by any person familiar with skill in the art.