FOLDING TABLE

Description

TECHNICAL FIELD

The utility model relates to the technical field of tables, and particularly to a folding table.

BACKGROUND OF THE INVENTION

Folding tables are widely used because of ease of use. Common folding tables are mostly folded in half, and have fixing parts such as bolts to lock and fix tabletops after unfolding, and corresponding fixing parts are removed when the tables are folded, thus to realize unfolding and folding for storage of the folding tables. Taking a common bolt fastening mode as an example, when a folding table is unfolded or needs to be folded, it is also necessary to operate manually by a tool such as a wrench, which brings inconvenience to the assembly and disassembly of the folding table, and the folding table has poor convenience during use.

BRIEF SUMMARY OF THE INVENTION

To solve the above technical problem, the purpose of the utility model is to provide a folding table and solve the problem that assembly and disassembly of an existing folding table is relatively cumbersome.

To achieve the above purpose, the utility model adopts the following technical solution: a folding table comprises a tabletop and hinging pieces, wherein the tabletop comprises at least two table plates, and adjacent table plates are hinged by the hinging pieces to make the tabletop in an unfolded state or a folded state; twist locks are arranged on the adjacent table plates close to hinging positions; each twist lock comprises a base, a sliding rod and an operating part; a chute used for the sliding rod to slide is formed in the base, so that the sliding rod can extend out of the base or hide in the base; when the tabletop is unfolded, the sliding rod extends out of one base to enter the chute of another base, thereby preventing the tabletop from folding; the operating part is connected with the sliding rod and is used for poking the sliding rod to slide.

Further, the base has a semicircular structure, the chute is a curved groove formed in the base, a side surface of the base is provided with a guiding slot, the operating part is correspondingly and movably arranged in the guiding slot, one end of the operating part is connected with the sliding rod, and the other end of the operating part extends to the outside of the base.

By adopting the above technical solution, the guiding slot is provided to facilitate the operating part to slide on the base, so as to drive the sliding rod at one end of the operating part to extend out of or hide in the chute.

Further, the folding table also comprises movable inserting rods which are movably inserted in the table plates; when the tabletop is locked by the twist locks, each movable inserting rod is abutted against the operating part to prevent the sliding rod from sliding in the chute.

By adopting the above technical solution, the movable inserting rods are movably inserted in the table plates, and the operating parts are restricted by the movable inserting rods when the tabletop is locked by the twist locks, which can prevent the sliding rod at one end of each operating part from sliding freely in each chute and ensure that the sliding rods of the two adjacent twist locks are steadily inserted into the chutes of each other.

Further, the table plates have through holes at positions corresponding to the movable inserting rods, and the movable inserting rods are correspondingly arranged in the through holes.

By adopting the above technical solution, the through holes are formed to facilitate accommodation of the movable inserting rods.

Further, hinged sides of the adjacent table plates are provided with mortise lock mechanisms, each mortise lock mechanism comprises an inserting slot and an elastic telescopic rod, the inserting slot is formed in one side of one table plate and is communicated with the through hole along a radial direction of the through hole, and the elastic telescopic rod is arranged on a side surface of the other table; when the tabletop is in the unfolded state, one end of the elastic telescopic rod is correspondingly inserted into the inserting slot, and the end is provided with a guide bevel forming wedge matching with a side surface of the movable inserting rod.

By adopting the above technical solution, the elastic telescopic rod is added, one benefit is that the connecting strength between the two table plates can be increased when the tabletop is unfolded, so as to prevent the two table plates from turning around the hinging positions; with the arrangement of the twist locks, the structural stability of the tabletop can be effectively increased when the tabletop is in the unfolded state; the guide bevel is provided to facilitate linkage between the elastic telescopic rod and the movable inserting rod; when the movable inserting rod is pulled out from the through hole to release the abutting state between the movable inserting rod and the operating part, the movable inserting rod can move and retract after abutting against the elastic telescopic rod to reduce the depth of the elastic telescopic rod inserted into the inserting slot, thus to facilitate the two table plates to turn and fold smoothly when turning around the hinging pieces.

Further, a groove is formed in the side surface of the movable inserting rod to accommodate the end of the elastic telescopic rod with the guide bevel.

By adopting the above technical solution, the groove is formed to facilitate the formation of the wedge matching with the elastic telescopic rod, and facilitate the increasing of the stability when the elastic telescopic rod is abutted against the movable inserting rod at the same time.

Further, a blind hole used for accommodating the elastic telescopic rod is formed in one side of the table plate, the elastic telescopic rod comprises a lock rod and an elastic part, one end of the lock rod is elastically inserted in the blind hole through the elastic part, and the other end of the lock rod is provided with the guide bevel.

By adopting the above technical solution, the blind hole is formed to facilitate optimization of a shape of the table plate, avoid influence of the shape by the exposed elastic telescopic rod, and facilitate hiding of the elastic telescopic rod at the same time.

Further, the table plates also comprise table legs, one end of each table leg is provided with a screw rod, and a screw hole matched with the screw rod is formed in the bottom of the table plate.

By adopting the above technical solution, the screw rod is in thread connection with the screw hole, so that it is convenient and easy to assemble and disassemble the table legs and the tabletop.

Further, each hinging piece comprises a self-locking hinge.

By adopting the above technical solution, the self-locking hinge has the ability of locking itself after the tabletop is folded to prevent the two table plates from turning continuously around the hinging pieces, thus to increase the stability of the tabletop after folding.

Compared with the prior art, the utility model has the advantages that:

In the utility model, the twist locks are arranged at the hinging positions of the two table plates of the tabletop, the bases are connected with the table plates, the sliding rods slide in the chutes of the bases to extend out of or hide in the chutes, and then one extended sliding rod is inserted into the chute of another base, so that the two table plates can be effectively prevented from turning around the hinging positions thereof, and fast locking of the tabletop can be realized; when the tabletop needs to be folded, the sliding rods can be also poked by the operating part to slide in the chutes to be accommodated in the chutes, thus to release the interlocking state of two twist locks and allow the two table plates to be easily folded.

In the utility model, the two twist locks are arranged at the hinging positions of the two table plates, and the sliding rods on the two bases are inserted into the chutes of each other, so that when the tabletop is unfolded and under pressure, force bearing points at the hinging positions are evenly distributed to the two twist locks; compared with a tabletop with one twist lock, when the two twist locks are arranged, it is not necessary to form a sliding rod groove corresponding to the sliding rod in the side surface of each table plate, so that the structure of the product is optimized, the situation that the tabletop is easy to damage due to the force bearing points directly acting on the tabletop is avoided at the same time, and the structural strength of the product and the stability during use are effectively increased.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is a structural main view of a folding table of the utility model.

FIG. 2 is a bottom view of FIG. 1 of the utility model.

FIG. 3 is a structural main view of a folding table of the utility model after folding.

FIG. 4 is a structural schematic diagram of a self-locking hinge of the utility model.

FIG. 5 is a structural schematic diagram of a twist lock of the utility model.

FIG. 6 is a local structural schematic diagram of a folding table of the utility model.

FIG. 7 is a structural schematic diagram of positions of a movable inserting rod and an operating part of a twist lock of the utility model.

In the figures:

• • 100 table plate, 110 blind hole, 120 lock rod, 121 guide bevel, 130 elastic part, 140 groove, 150 movable inserting rod, and 160 inserting slot;
  • 200 hinging piece;
  • 300 table leg;
  • 400 twist lock, 410 base, 411 chute, 420 operating part, and 430 sliding rod.

DETAILED DESCRIPTION OF THE INVENTION

The utility model is further described below in detail in combination with the drawings and embodiments.

Referring to FIGS. 1 and 2, a folding table comprises a tabletop, wherein the tabletop comprises at least two table plates 100; taking two table plates 100 as an example, the two table plates 100 are hinged by hinging pieces 200 to enable the two table plates 100 to be folded or unfolded flatly; edges of the table plates 100 are in threaded connection with table legs 300 which are used for supporting the tabletop; adjacent sides of the two table plates 100 are provided with twist locks 400, respectively; each twist lock 400 comprises a base 410, a sliding rod 430 and an operating part 420, wherein a chute 411 is formed in the base 410, and the sliding rod 430 is slidably arranged in the chute 411 and can extend out of the chute 411 or hide in the chute 411; when the tabletop is unfolded, the sliding rod 430 in one base 410 extends out of the base 410 and enters the chute 411 of another base 410, thus to use the sliding rod 430 placed transversely at a hinging position of the two table plates 100 to prevent the two table plates 100 from folding around the hinging pieces 200 and realize locking of the tabletop; the operating part 420 is connected with the sliding rod 430 which is used by an user to poke the operating part 420, thus to drive the sliding rod 430 to extend and retract in the chute 411.

In the embodiment, referring to FIG. 5, the base 410 has a semicircular structure, the chute 411 is a semicircular curved groove formed in the base 410, and both ends of the curved groove have openings in the side surfaces on the base 410 to facilitate the sliding rod 430 to enter and exit from the chute 411; correspondingly, the sliding rod 430 also has a semicircular curved structure, so that when the tabletop is in an unfolded state, two bases 410 are closed up to form a circular structure; when the sliding rod 430 extends out of one base 410 and is abutted against the sliding rod 430 of another base 410 to make the sliding rod 430 of another base 410 slide and extend out of its own chute 411, the sliding rods 430 in the two bases 410 are inserted into the chutes 411 of each other; therefore, combination and locking between two twist locks 400 can be easily achieved; of course, sliding of the sliding rods 430 can also be achieved by simultaneously poking two operating parts 420 to move the sliding rods 430.

In the embodiment, due to the arrangement of the two twist locks 400, compared with the arrangement of one twist lock 400, and with the design that the sliding rods 430 in the twist locks 400 are inserted into the tabletop, it is not necessary to form sliding rod grooves corresponding to sliding rods 430 in the tabletop, and an acting force exerted on the tabletop during unfolding fully acts on the two bases 410 and the sliding rods 430, so that the supporting strength of the twist locks 400 after unfolding of the tabletop is effectively increased.

In the embodiment, referring to FIGS. 6 and 7, movable inserting rods 150 are movably inserted in the table plates 100; correspondingly, the table plates 100 have through holes in upper ends provided with the twist locks 400, and the movable inserting rods 150 can enter and exit from the through holes; when the sliding rods 430 in the two twist locks 400 are inserted into the chutes 411 of each other (in a state as shown in FIG. 7) to lock the tabletop in the unfolded state, the movable inserting rods 150 are abutted against the operating parts 420 to prevent the operating parts 420 from moving, thus to lock the sliding rods 430 firmly in the chutes 411 of each other and realize stability by the twist locks 400 when the tabletop is in a folded state.

In the embodiment, as long as the movable inserting rods 150 can be used to prevent the sliding rods 430 from moving in the chutes 411 when extending out of the table plates 100, the operating parts 420 thereof can also be inserted directly into the sliding rods 430, thus to prevent the sliding rods 430 from moving in the chutes 411 and realize the above effect; it can be contemplated that the restriction of the sliding rods 430 or the operating parts 420 by the movable inserting rods 150 can also be realized by abutting or clamping; for example, a U-shaped slot is formed in a lower end of each movable inserting rod 150, and the movable inserting rods 150 can be directly clamped on the operating parts 420 after extending out of the table plates 100, which can also realize the restriction of the operating parts 420.

Based on the above-mentioned embodiment, in order to further increase stability of the tabletop in the unfolded state, hinged sides of the adjacent table plates 100 are provided with mortise lock mechanisms, each mortise lock mechanism comprises an inserting slot 160 and an elastic telescopic rod, the inserting slot 160 is formed in one side of one table plate 100 and is communicated with the through hole along a radial direction of the through hole, and the elastic telescopic rod is arranged on a side surface of the other table 100; when the tabletop is in the unfolded state, one end of the elastic telescopic rod is correspondingly inserted into the inserting slot 160, so that the stability of the tabletop in the unfolded state can be increased by inserting the elastic telescopic rod into the inserting slot 160; one end of the elastic telescopic rod close to the inserting slot 160 is provided with a guide bevel 121 forming wedge matching with a side surface of the movable inserting rod 150; the guide bevel 121 is provided to facilitate linkage between the elastic telescopic rod and the movable inserting rod 150; when the movable inserting rod 150 is pulled out from the through hole to release the abutting state between the movable inserting rod 150 and the operating part 420, the movable inserting rod 150 can move and retract after abutting against the elastic telescopic rod to reduce the depth of the elastic telescopic rod inserted into the inserting slot 160, thus to facilitate the two table plates 100 to turn and fold smoothly when turning around the hinging pieces 200.

Further, the inner diameter of the inserting slot 160 can be designed to be larger than the diameter of the elastic telescopic rod, so that the elastic telescopic rod can enter and exit from the inserting slot 160 smoothly.

In the embodiment, referring to FIG. 6, in order to facilitate accommodation of the elastic telescopic rod, a blind hole 110 can be formed in one side of the table plate 100, and the elastic telescopic rod is correspondingly arranged in the blind hole 110; as an implementation mode of the elastic telescopic rod, the elastic telescopic rod comprises a lock rod 120 and an elastic part 130, one end of the lock rod 120 is elastically inserted in the blind hole 110 through the elastic part 130, and the other end of the lock rod 120 is provided with the guide bevel 121; when one end of a spring provided with the guide bevel 121 is extruded by the movable inserting rod 150, the spring can move towards the blind hole 110 to retract into the blind hole 110, which facilitates provision of a prerequisite for subsequent folding of the tabletop.

In the embodiment, as a wedge matching mode between the movable inserting rod 150 and the lock rod 120, a groove 140 can be formed in one side of the movable inserting rod close to the lock rod 120, and the bottom of the groove 140 is abutted against the guide bevel 121, so that when the movable inserting rod 150 is lifted upwards, the groove 140 is abutted against the guide bevel 121 to driven the lock rod 120 to move and retract into the blind hole 110; of course, a convex curved surface can also be arranged on the side surface of the movable inserting rod 150, and the above effect can also be achieved by wedge matching between the curved surface and the guide bevel 121.

In the embodiment, the elastic part 130 can be a compression spring, a spring, an elastic rubber part or any other elastic part 130, as long as the elastic part 130 can provide elastic support for the lock rod 120 in normal conditions and can retract to allow the sliding rod 430 to move when the lock rod 120 is extruded; the elastic part 130 can also have other structures, which will not be repeated herein.

In the embodiment, in order to adjust the displacement of the movable inserting rod 150, a lifting belt can be arranged on an upper end of the movable inserting rod 150 to facilitate operation of the movable inserting rod 150.

Referring to FIG. 3, a self-locking hinge has the ability of locking itself after the tabletop is folded to prevent the two table plates 100 from turning continuously around the hinging pieces 200, thus to increase the stability of the tabletop after folding. Referring to FIG. 4, A is a state of the self-locking hinge when the tabletop is unfolded, and B is a state of the self-locking hinge when the tabletop is folded; the self-locking hinge is a prior art, and therefore will not be repeated herein.

Although preferred embodiments of the utility model are described in detail above, it should be clearly understood that for those skilled in the art, various variations and changes can be made to the utility model. Any modification, equivalent replacement and improvement made within the spirit and the principle of the utility model shall be included within the protection scope of the utility model.