SUNSHADE

Description

CROSS REFERENCE

The present application claims foreign priority of Chinese Patent Applications No. 202421793603.7, field on Jul. 26, 2024, the entire contents of which are hereby incorporated by reference.

TECHNICAL FIELD

The present disclosure relates to the technical field of sunshades, and more specifically to a sunshade.

BACKGROUND

A sunshade is an outdoor shading device that is widely applied in building facades, gardens, terraces, etc. There are many types of sunshades, and among them, as a special form of sunshade, a louvered sunshade is a further development and optimization of the functions of traditional sunshades. The louvered design allows the sunshade to not only shade, but also to achieve light regulation and ventilation.

The existing traditional sunshade usually includes a bracket, a column configured to support the bracket, and a row of sunshade blades arranged in the bracket. The bracket includes two sets of crossbars arranged opposite each other, and the connection between the crossbars and the column is achieved by a large number of bolts, which is inconvenient to disassemble and assemble. Further, some of the bolts are exposed, and there are many gaps in the joints, which is very unsightly.

SUMMARY OF THE DISCLOSURE

The purpose of the present disclosure is to provide a sunshade that overcomes the technical problems mentioned above, achieves convenient connection of the crossbar and the column, and eliminates the connection gap on the surface of the connection after the crossbar and the column are connected, thereby improving the aesthetic effect.

A sunshade, including:

• • a frame, including: four crossbars that are connected end-to-end to form an enclosed plane, and a column arranged at a connection between each adjacent two of the four crossbars; and
  • a blade group, arranged between the four crossbars and including a plurality of sunshade blades arranged at equal intervals; wherein an end of each sunshade blade is rotatably connected to a first one of the four crossbars, and a drive assembly is arranged between the other end of the sunshade blade and a second one of the four crossbars, the first one being opposite to the second one;
  • wherein a top end of the column defines a notch for each of the adjacent two of the four crossbars to extend into; a connecting block is arranged on an inner wall of the notch, and an assembly slot is defined on an end of a corresponding one of the adjacent two of the four crossbars to be mated with the connecting block.

In some embodiments, each of both ends of each crossbar is arranged with a bevel;

• • the bevel has an angle of 45°.

In some embodiments, the drive assembly includes:

• • a driven gear, arranged on the other end of the sunshade blade;
  • a rack, slidably connected to an inner side of a corresponding crossbar and meshed with the driven gear;
  • an active gear, arranged on the inner side of the corresponding crossbar and meshed with the rack; and
  • a rocker arm, arranged on a bottom surface of the corresponding crossbar and extending into the corresponding crossbar to drive the active gear to rotate.

In some embodiments, an elongated slot is defined on the rack, and a bolt is connected to the corresponding crossbar and passes through the elongated slot;

• • the elongated slot is arranged horizontally.

In some embodiments, the driven gear includes a meshing portion and a connecting portion, and the connecting portion is arranged with a connecting plate that is detachably connected to the sunshade blade.

In some embodiments, a top surface of each crossbar extends towards the plurality of sunshade blades to form a water-blocking portion;

• • an overlapping portion is arranged between each adjacent two of the plurality of sunshade blades, and the overlapping portion includes an L-shaped slat arranged on a first side of each sunshade blade and an I-shaped slat arranged on a second side of the sunshade blade, the first side being opposite to the second side.

In some embodiments, a bottom surface of the crossbar extends towards the plurality of sunshade blades to form a first drain groove;

• • each sunshade blade defines a second drain groove on each of both sides, and a top surface of the sunshade blade is curved.

In some embodiments, the plurality of sunshade blades include a plurality of sub-blades and a connector for connecting each adjacent two of the plurality of sub-blades.

In some embodiments, an insertion slot is defined on a side of each sub-blade close to the connector, and an end of the connector is arranged with a protrusion that is adapted to the insertion slot; a snapping slot that is adapted to the sub-blade is defined on a surface of the connector around the protrusion;

• • a reinforcement rib is arranged in the insertion slot, and a recess adapted to the reinforcement rib is defined on the protrusion; a counterbore is defined on the reinforcement rib, and a reinforcement rod is arranged in the counterbore.

In some embodiments, a surface of the protrusion is arranged with a friction-increasing rib.

The beneficial effects of the present disclosure are as followed.

• • 1. By forming a notch at the top of the column, the connecting block and assembly slot can be used to facilitate the pre-assembly of the crossbar and column, which can then be fastened with bolts for easy disassembly and assembly. Furthermore, the operation is carried out from the inner side of the crossbar, effectively preventing the bolts from being exposed on the surface of the frame. The surface on the top of the column wraps around the two connected crossbars to eliminate the connection gap and improve aesthetics.
  • 2. The active gear is driven through the rocker arm, so as to drive the rack to slide, so as to drive the driven gear to rotate, such that the sunshade blades are driven to rotate, thereby achieving the adjustment of the light and improving the comfort of using the sunshade. In addition, the sunshade blades can be kept at any angle of opening and closing with high stability and precision adjustment by the engagement adjustment of the rack and pinion.
  • 3. By setting the sunshade blades to include multiple sub-blades and a connector for connecting two adjacent sub-blades, when damage occurs to a certain part of the sunshade blades, the damaged sub-blade can be replaced and it is not necessary to replace the entire sunshade blades, thereby effectively reducing maintenance costs and saving packaging space, reducing transportation packaging costs, and making transportation more convenient.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is a structural schematic view according to the present disclosure.

FIG. 2 is a partial schematic view of a connection between a crossbar and a column according to the present disclosure.

FIG. 3 is a partial schematic view of a connection between a sub-blade and a connector according to the present disclosure.

Reference numerals: 1, crossbar; 100, water-blocking portion; 101, first drain groove; 2, column; 3, sunshade blade; 30, sub-blade; 300, insertion slot; 31, connector; 310, protrusion; 311, snapping slot; 312, reinforcement rib; 313, recess; 314, counterbore; 315, reinforcement rod; 316, friction-increasing rib; 32, second drain groove; 4, drive assembly; 40, driven gear; 400, meshing portion; 401, connecting portion; 402, connecting plate; 41, rack; 42, active gear; 43, rocker arm; 44, elongated slot; 45, bolt; 5, notch; 6, connecting block; 7, assembly slot; 8, bevel; 9, overlapping portion; 90, L-shaped slat; 91, I-shaped slat.

DETAILED DESCRIPTION

The following will clearly describe the technical solutions in the embodiments of the present disclosure in combination with the drawings. It is clear that the embodiments described are some embodiments of the present disclosure, but not all of them. Based on these embodiments in the present disclosure, all other embodiments obtained by those skilled in the art fall within the scope of the present disclosure.

Embodiment 1

This embodiment provides a sunshade, including:

• • a frame, including four crossbars 1 that are connected end-to-end to form an enclosed plane, and a column 2 arranged at a connection between each adjacent two of the four crossbars 1; and
  • a blade group, arranged between the four crossbars 1 and including multiple sunshade blades 3 arranged at equal intervals; where an end of each sunshade blade 3 is rotatably connected to a first one of the four crossbars 1, and a drive assembly 4 is arranged between the other end of the sunshade blade 3 and a second one of the four crossbars 1, the first one being opposite to the second one;
  • where a top end of the column 2 defines a notch for each of the adjacent two of the four crossbars 1 to extend into; a connecting block 6 is arranged on an inner wall of the notch 5, and an assembly slot 7 is defined on an end of a corresponding one of the adjacent two of the four crossbars 1 to be mated with the connecting block 6;
  • where the connecting block 6 and the column 2 can be welded together, and a threaded hole is defined on the connecting block 6; a bolt for fastening passes through the corresponding one of the adjacent two of the four crossbars 1 and the inner wall of the assembly slot 7 and is threaded with the threaded hole.

In the embodiments, it can be seen that by providing a notch 5 at the top of the column 2 for the crossbar 1 to extend into, and by providing a connecting block 6 and an assembly slot 7, it is convenient to pre-fit the crossbar 1 and the column 2, and then fasten them with bolts, which is convenient for disassembly and assembly.

Further, operation may be conducted from the inner side of the crossbar 1, which effectively prevents the bolts from being exposed on the surface of the frame. The surface of the top of the column 2 wraps around the two connected crossbars 1, eliminating the connection gap and improving the aesthetics.

Embodiment 2

This embodiment provides a sunshade, which, in addition to the technical solution of the above embodiment, further has the following technical features:

Each of both ends of each crossbar 1 is arranged with a bevel 8;

• • where the bevel 8 has an angle of 45°.

In the embodiments, it can be seen that by defining the bevels on the two ends of the crossbar 1 at an angle of 45°, the tightness of the adjacent two crossbars 1 after being fitted at right angles is improved, such that each of the two ends of the crossbar 1 can be tightly fitted against the inner wall of a corresponding column 2, thereby facilitating the fit between the connecting block 6 and the assembly slot 7 and improving the connection strength and stability between the crossbar 1 and the column 2.

Embodiment 3

This embodiment provides a sunshade, which, in addition to the technical solution of the above embodiment, further has the following technical features:

• • the drive assembly 4 includes:
  • a driven gear 40, arranged on the other end of each sunshade blade 3;
  • a rack 41, slidably connected to an inner side of the crossbar 1 and meshed with the driven gear 40;
  • an active gear 42, arranged on the inner side of the crossbar 1 and meshed with the rack 41; and
  • a rocker arm 43, arranged on a bottom surface of the crossbar 1 and extending into the crossbar 1 to drive the active gear 42 to rotate;
  • where the rocker arm 43 includes a fixed section and a detachable section; the detachable section is engaged with the fixed section, and the fixed section extends through the bottom surface of the crossbar 1 to an interior of the crossbar 1; the active gear 42 is axially arranged with a first rotating shaft, and the first rotating shaft is rotatably connected to the inner side of the crossbar 1;
  • the first rotating shaft is in a transmission connection to an end of the fixed section inside the crossbar 1, and the transmission connection may be through a worm gear structure or a structure in which two bevel gears are meshed;
  • the driven gear 40 is axially arranged with a second rotating shaft, and the second rotating shaft is rotatably connected to the inner side of the crossbar 1.

In the embodiments, it can be seen that the active gear 42 is driven through the rocker arm 43, so as to drive the rack 41 to slide, so as to drive the driven gear 40 to rotate, such that the sunshade blades 3 are driven to rotate, thereby achieving the adjustment of the light and improving the comfort of using the sunshade.

In addition, the sunshade blades 3 can be kept at any angle of opening and closing with high stability and precision adjustment by the engagement adjustment of the rack and pinion. Specifically, the gear can stop at any angle between 0° and 90°, and the engagement has a braking function, such that the teeth can be accurately positioned at any desired point, thereby solving the problem of the inertia of the traditional louver buffer belt.

In addition, the rocker 43 is built in to avoid erosion caused by the intrusion of rainwater, thereby extending the service life of the structure of the transmission connection between the rocker 43 and the active gear 42, and improving the convenience of adjusting with the rocker 43 to avoid jamming after erosion.

Embodiment 4

This embodiment provides a sunshade, which, in addition to the technical solution of the above embodiment, further has the following technical features:

• • an elongated slot 44 is defined on the rack 41, and a bolt 45 is connected to the crossbar 1 and passes through the elongated slot 44;
  • where the elongated slot 44 is arranged horizontally, and at least two the elongated slots 44 are provided.

In the embodiments, it can be seen that the elongated slot 44 on the rack 41 facilitates a radial control and limitation of the sliding stroke of the rack 41, i.e., it avoids excessive rotation of the sunshade blades 3 to avoid damage and prolong the service life. Further, the provided at least to elongated slots 44 and corresponding bolts 45 can improve the stability of the rack 41 on the inner side of the crossbar 1. Since two points determine a straight line, the transmission between the rack 41 and the active gear 42 and the driven gear 40 can be ensured.

Embodiment 5

This embodiment provides a sunshade, which, in addition to the technical solution of the above embodiment, further has the following technical features:

• • the driven gear 40 includes a meshing portion 400 and a connecting portion 401, and the connecting portion 401 is arranged with a connecting plate 402 that is detachably connected to the sunshade blade 3;
  • where the connecting portion 401 is curved and be formed by cutting the driven gear 40, and the connecting plate 402 is welded to the connecting portion 401;
  • a surface of the sunshade blade 3 defines a threaded hole, and the connecting plate 402 defines a through hole; the connecting plate 402 and the sunshade blade 3 are connected by threading the bolt 45 through the through hole and the threaded hole.

In the embodiments, it can be seen that by setting the driven gear 40 to include the meshing portion 400 and the connecting portion 401, and by welding the connecting plate 402 on the connecting portion 401, it is convenient to connect the driven gear 40 and the sunshade blade 3 in a detachable manner, which improves the convenience of disassembling and assembling the sunshade blades 3, such that the sunshade blades 3 can be replaced without disassembling the driven gears 40, which improves the convenience of repairing the sunshade blades 3.

Embodiment 6

This embodiment provides a sunshade, which, in addition to the technical solution of the above embodiment, further has the following technical features:

• • a top surface of each crossbar 1 extends towards the sunshade blades 3 to form a water-blocking portion 100;
  • where an overlapping portion 9 is arranged between each adjacent two sunshade blades 3, and the overlapping portion 9 includes an L-shaped slat 90 and an I-shaped slat 91 arranged on both sides of the sunshade blade 3, respectively;
  • the crossbar 1 is a metal profile; the water-blocking portion 100 and the crossbar 1 are of an integrated structure; the sunshade blades 3 are also metal profiles, and the L-shaped slat 90 and I-shaped slat 91 are integrated with the sunshade blades 3.

In the embodiments, it can be seen that by providing the water-blocking portion 100, the gap between the drive assembly 4 and the sunshade blades 3 and the crossbar 1 can be blocked, thereby preventing rainwater from entering and improving the rain-shading effect of the sunshade.

The overlapping portion 9, i.e., the L-shaped slat 90 and the I-shaped slat 91, can block rainwater from entering the gap between adjacent sunshade blades 3 after the sunshade blades 3 are adjusted to be horizontal, thereby further improving the rain-shading effect of the sunshade.

Embodiment 7

This embodiment provides a sunshade, which, in addition to the technical solution of the above-mentioned embodiment, also has the following technical features:

• • the bottom surface of the crossbar 1 extends towards the sunshade blades 3 to form a first drain groove 101;
  • where each sunshade blade 3 defines a second drain groove 32 on each of both sides, and a top surface of the sunshade blade 3 is curved;
  • the first drain groove 101 extends to a bottom of a corresponding end of the second drain groove 32, and the first drain groove 101 extends to the notch 5 of the column 2, thereby causing the water to flow from the column 2 to the ground. That is, a drainage pipe is formed by the column 2, which has a good drainage effect.

In the embodiments, it can be seen that the second drain groove 32 facilitates the collection of rainwater on the sunshade blades 3 and its flow to the first drain groove 101. The top surface of the sunshade blade 3 is curved, which facilitates the collection of rainwater falling on the top surface of the sunshade into the second drain groove 32, and then flowing to the ground through the first drain groove 101 and the column 2, thereby avoiding the accumulation of rainwater on the surface of the sunshade and preventing the sunshade blades 3 from being damaged by rainwater, so as to extend the service life.

Embodiment 8

This embodiment provides a sunshade, which, in addition to the technical solution of the above embodiment, further has the following technical features:

The sunshade blades 3 include multiple sub-blades 30 and a connector 31 for connecting two adjacent sub-blades 30.

In the embodiments, it can be seen that by setting the sunshade blades 3 to include multiple sub-blades 30 and a connector 31 for connecting two adjacent sub-blades 30, when damage occurs to a certain part of the sunshade blades 3, the damaged sub-blade 30 can be replaced and it is not necessary to replace the entire sunshade blades 3, thereby effectively reducing maintenance costs.

Embodiment 9

This embodiment provides a sunshade, which, in addition to the technical solution of the above embodiment, further has the following technical features:

• • an insertion slot 300 is defined on a side of each sub-blade 30 close to the connector 31, and an end of the connector 31 is arranged with a protrusion 310 that is adapted to the insertion slot 300; a snapping slot 311 that is adapted to the sub-blade 30 is defined on a surface of the connector 31 around the protrusion 310;
  • where a reinforcement rib 312 is arranged in the insertion slot 300, and a recess 313 adapted to the reinforcement rib 312 is defined on the protrusion 310; a counterbore 314 is defined on the reinforcement rib 312, and a reinforcement rod 315 is arranged in the counterbore 314;
  • the protrusion 310 and the connector 31 are of a one-piece structure, and the connector 31 and the protrusion 310 may be made of plastic.

In the embodiments, it can be seen that by defining a slot 300 at the end of the sub-blade 30 and by the insertion through the protrusion 310 on the connector 31, it is convenient to connect two adjacent sub-blades 30.

The connector 31 defines the snapping slot 311 surrounding the protrusion 310 to fit with the sub-blade 30, which may further improve the connection strength and stability between the connector 31 and the sub-blade 30.

Further, the arrangement of the reinforcement rib 312 and the recess 313, as well as the counterbore 314 in the reinforcement rib 312 and the reinforcement rod 315 in the counterbore 314, may improve the firmness and compressive strength after the sub-blade 30 is fitted with the connector 31.

Embodiment 10

This embodiment provides a sunshade, which, in addition to the technical solution of the above embodiment, further has the following technical features:

• • a surface of the protrusion 310 is arranged with a friction-increasing rib 316.

In the embodiments, it can be seen that by providing the friction-increasing rib 316 on the surface of the protrusion 310, the connection strength and stability between the sub-blade 30 and the connector 31 may be further improved, and thus the overall structural strength of the sunshade blades 3 may be improved.

The above is description of the embodiments of the present disclosure in combination with the drawings. In the absence of conflict, the embodiments of the present disclosure and the features of the embodiments can be combined with each other. The present disclosure is not limited to the specific embodiments described above, which are merely illustrative and not restrictive. Those skilled in the art, under the inspiration of the present disclosure and without departing from the purpose and the scope of claims protected by the present disclosure, can further make many modifications, which are all within the scope of the present disclosure.