Office chair easy to disassemble and assemble

Abstract

The utility model provides an office chair easy to disassemble and assemble, which comprises a seat cushion, a supporting rod arranged on the side surface of the seat cushion, a handrail arranged at the top end of the supporting rod, a back cushion arranged in the middle of the supporting rod, a supporting leg arranged at the bottom end of the supporting rod, a first threaded rod arranged inside the supporting leg, and a first rotating block arranged on the side surface of the first threaded rod, connecting rods are arranged in the middles of the supporting legs, fixing blocks are arranged at the left and right ends of the connecting rods, second rotating blocks are arranged at the bottom ends of the fixing blocks, and second threaded rods are arranged at the top ends of the second rotating blocks. The supporting rod is efficiently disassembled and assembled, the first threaded rod and the second threaded rod can rotate in the corresponding first threaded rod and the second threaded groove and are finally taken out by rotating the first rotating block and the second rotating block with the help of a simple disassembling tool, and the size of the disassembled supporting rod is reduced; and the collective carrying efficiency is improved, the disassembly process is simplified, and the transportation convenience is optimized.

Description

TECHNICAL FIELD

[0001] The utility model relates to office chair technical field especially easy dismounting assembly office chair. BACKGROUND

[0002] Office chair refers to various chairs equipped for work convenience in daily work and social activities, and relieves fatigue of the user in daily office work. The office chair is generally a backrest chair composed of a chair leg, a chair surface and a chair back, and four chair legs of the same height are directly fixed to the lower side of the chair surface, and two vertical rods are fixed to the upper side of the rear side of the chair surface to fix the cushion. The manufacturing and installation process of the backrest chair is complicated.

[0003] In the prior art, a novel office chair disclosed in patent No. CN205513514U includes a bottom support frame, a seat and a backrest, each side of the backrest is provided with a support rod, a plurality of connecting rods are arranged between the two support rods, each end of the seat bottom is provided with a support rod, and a plurality of connecting rods are arranged between the two support rods. The connecting rods, the support rods and the support rods are detachable. The above-mentioned technology has the characteristics of flexible movement, convenient disassembly and simple installation, but still has some deficiencies, specifically manifested as: in the disassembly process, the support rod is integrated, and the space occupied by the support rod is large after disassembly, which causes poor collective transportation effect. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the problems existing in the prior art and provides an office chair easy to disassemble and assemble.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] An office chair easy to disassemble and assemble includes a cushion, the side of the cushion is provided with a support rod, the top end of the support rod is provided with a handrail, the middle of the support rod is provided with a back cushion, the bottom end of the support rod is provided with a support leg, the inside of the support leg is provided with a first threaded rod, the side of the first threaded rod is provided with a first rotating block, the middle of the support leg is provided with a connecting rod, the left and right ends of the connecting rod are provided with a fixed block, the bottom end of the fixed block is provided with a second rotating block, and the top end of the second rotating block is provided with a second threaded rod.

[0007] Preferably, the support rods are symmetrically distributed at the left and right ends of the cushion, and the support legs are symmetrically distributed at the left and right ends of the bottom end of the cushion.

[0008] Preferably, the first threaded rod rotates in the inside of the cushion through a first threaded groove, the first threaded rod rotates in the inside of the support rod through a first groove, and the first rotating block rotates in the inside of the support rod through a first groove.

[0009] Preferably, the second threaded rod rotates in the inside of the support rod through the second threaded groove, the second threaded rod rotates in the inside of the support leg through the fixed groove, the second threaded rod rotates in the inside of the support leg through the second groove, and the second rotating block rotates in the inside of the fixed block through the second groove.

[0010] Preferably, the back of the cushion is provided with a protruding block, the top end of the protruding block is provided with a fixed plate, the inside of the fixed plate is provided with a rotating rod, the surface of the rotating rod is provided with a baffle, the surface of the rotating rod is provided with a fixed ring, the surface of the fixed ring is provided with a fixed rod, the surface of the fixed rod is provided with an adjusting plate, and the middle of the adjusting plate is provided with a headrest.

[0011] Preferably, the rotating rod rotates in the inside of the fixed plate through a rotating groove, the baffles are symmetrically distributed on the left and right ends of the surface of the rotating rod, and the baffles are rotatably connected with the fixed plate.

[0012] Preferably, the fixed ring is symmetrically distributed on the left and right ends of the surface of the rotating rod, the fixed rods are uniformly distributed on the surface of the fixed ring, and the fixed rods are rotatably connected with the cushion.

[0013] Compared with the prior art, the utility model has the advantages and positive effects that,

[0014] 1. The utility model discloses a support rod's efficient disassembly and assembly are realized, with the help of simple dismounting tool, through rotating first rotating block and second rotating block make first threaded rod and second threaded rod in the corresponding first threaded rod and second threaded groove rotate and finally take out, reduce the volume of support rod after dismounting, promote collective handling efficiency, not only simplify the dismounting process, still optimize the convenience of transportation.

[0015] 2. The utility model discloses better neck support, in the use process, the user can lean the neck on the surface of headrest, to play more comfortable use effect, and in the use process, the rotating rod can rotate in the inside of the fixed plate through the rotating groove, to reach the angle adjustment effect of headrest. ACCURATE DRAWINGS

[0016] Figure 1 A three-dimensional structure schematic diagram of the utility model is provided.

[0017] Figure 2 An explosion structure schematic diagram of the utility model is provided.

[0018] Figure 3 For Figure 2 The structure enlarged schematic diagram of A in the middle.

[0019] Figure 4 for Figure 2 Enlarged structural diagram at point B;

[0020] Figure 5 for Figure 2 Enlarged schematic diagram of the structure at point C.

[0021] Legend: 1. Seat cushion; 2. Support rod; 3. Armrest; 4. Backrest cushion; 5. Support leg; 6. First threaded groove; 7. First groove; 8. First threaded rod; 9. First rotating block; 10. Second threaded groove; 11. Fixing groove; 12. Connecting rod; 13. Fixing block; 14. Second groove; 15. Second rotating block; 16. Second threaded rod; 17. Protrusion; 18. Fixing plate; 19. Rotating groove; 20. Rotating rod; 21. Baffle; 22. Fixing ring; 23. Fixing rod; 24. Adjusting plate; 25. Headrest. Detailed Implementation

[0022] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0023] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0024] Example 1: As Figures 1-4As shown, the utility model provides a kind of technical scheme: an office chair of easy disassembly and assembly, including cushion 1, the side of cushion 1 is provided with support rod 2, the top of support rod 2 is provided with armrest 3, the middle of support rod 2 is provided with back cushion 4, the bottom of support rod 2 is provided with support leg 5, the inside of support leg 5 is provided with first threaded rod 8, the side of first threaded rod 8 is provided with first rotating block 9, the middle of support leg 5 is provided with connecting rod 12, the left and right ends of connecting rod 12 are provided with fixed block 13, the bottom of fixed block 13 is provided with second rotating block 15, the top of second rotating block 15 is provided with second threaded rod 16, support rod 2 is symmetrically distributed in the left and right ends of cushion 1, support leg 5 is symmetrically distributed in the left and right ends of the bottom of cushion 1, first threaded rod 8 is rotated in the inside of cushion 1 by first thread groove 6, first threaded rod 8 is rotated in the inside of support rod 2 by first recess 7, first rotating block 9 is rotated in the inside of support rod 2 by first recess 7, second threaded rod 16 is rotated in the inside of support rod 2 by second thread groove 10, second threaded rod 16 is rotated in the inside of support leg 5 by fixed groove 11, second threaded rod 16 is rotated in the inside of support leg 5 by second recess 14, second rotating block 15 is rotated in the inside of fixed block 13 by second recess 14, the back of back cushion 4 is provided with lug 17, the top of lug 17 is provided with fixed plate 18, the inside of fixed plate 18 is provided with rotating rod 20, the surface of rotating rod 20 is provided with baffle 21, the surface of rotating rod 20 is provided with fixed ring 22, the surface of fixed ring 22 is provided with fixed rod 23, the surface of fixed rod 23 is provided with adjusting plate 24, the middle of adjusting plate 24 is provided with headrest 25.

[0025] In the embodiment, flexible disassembly and assembly of each part of the chair are realized, user experience is improved, cleaning, maintenance and storage of the chair are more convenient, and the carrying process is greatly simplified, and through optimization of the structural design, the office chair is stable while realizing more efficient space utilization, to bring more comfortable and convenient use experience to users.

[0026] Embodiment 2: as Figure 1 、 Figure 2 、 Figure 5 As shown, the rotating rod 20 is rotated in the inside of fixed plate 18 by rotating groove 19, the baffle 21 is symmetrically distributed in the left and right ends of the surface of rotating rod 20, the baffle 21 and the fixed plate 18 are rotationally connected, the fixed ring 22 is symmetrically distributed in the left and right ends of the surface of rotating rod 20, the fixed rod 23 is evenly distributed on the surface of fixed ring 22, and the fixed rod 23 and the back cushion 4 are rotationally connected.

[0027] In this embodiment, efficient and stable operation is achieved, the rotating rod 20 rotates in the rotating groove 19 inside the fixed plate 18, drives the baffle 21 to move, and the fixed ring 22 and the fixed rod 23 are arranged to ensure the stability of the structure, improve the adjustment flexibility of the office chair, and enhance the overall load capacity and durability, the rotating connection between the back cushion 4 and the components makes the use experience of the chair more comfortable, meets the diversified needs of users, and shows the innovation and progress of the utility model in the design of office chairs.

[0028] The working principle of the embodiment is as follows: in use, first, the seat cushion 1 is placed on the desired position, the support leg 5 stably supports the seat cushion 1 through the connecting rod 12, then the surface of the back cushion 4 is rested on, the neck is rested on the surface of the headrest 25, the protruding block 17 and the fixed plate 18 lift the user's neck to meet better use effect, in the use process, the rotating rod 20 rotates in the inside of the fixed plate 18 through the rotating groove 19, and the baffle 21 rotates on the side of the fixed plate 18, at this time, the rotating rod 20 drives the adjusting plate 24 and the headrest 25 to rotate together through the fixed ring 22 and the fixed rod 23, to achieve the effect of angle adjustment, and when disassembly is needed, the first rotating block 9 is rotated by means of a tool, the first rotating block 9 drives the first threaded rod 8 to rotate together, and the first threaded rod 8 rotates outside the seat cushion 1 through the first threaded groove 6 in the inside of the seat cushion 1, when the first threaded rod 8 rotates out of the inside of the seat cushion 1 through the first threaded groove 6, the seat cushion 1 and the back cushion 4 are taken out from the inside of the support rod 2 and the armrest 3 through the first recess 7, then the second rotating block 15 in the second recess 14 is rotated by means of a tool, the second rotating block 15 rotates in the inside of the fixed block 13 through the second recess 14, and drives the second threaded rod 16 to rotate together, the second threaded rod 16 rotates downward in the inside of the support rod 2 through the second threaded groove 10, when the second threaded rod 16 rotates out of the inside of the support rod 2 through the second threaded groove 10, the second threaded rod 16 is taken out from the inside of the support leg 5 through the fixed groove 11, to achieve the effect of complete disassembly.

[0029] The above is only a preferred embodiment of the utility model, and is not a limitation on other forms of the utility model, any skilled person in the art can change or modify the above disclosed technical content to equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification made on the above embodiments according to the technical essence of the utility model still belongs to the protection scope of the technical scheme of the utility model.

Claims

1. An easily disassembled and assembled office chair comprising a seat cushion (1), characterized in that: The side of the cushion (1) is provided with support rods (2), the top end of the support rod (2) is provided with an armrest (3), the middle of the support rod (2) is provided with a back cushion (4), the bottom end of the support rod (2) is provided with a support leg (5), the inside of the support leg (5) is provided with a first threaded rod (8), the side of the first threaded rod (8) is provided with a first rotating block (9), the middle of the support leg (5) is provided with a connecting rod (12), the left and right ends of the connecting rod (12) are provided with fixed blocks (13), the bottom end of the fixed block (13) is provided with a second rotating block (15), and the top end of the second rotating block (15) is provided with a second threaded rod (16).

2. The easily disassembled and assembled office chair according to claim 1, characterized in that: The support rods (2) are symmetrically distributed at the left and right ends of the cushion (1), and the support legs (5) are symmetrically distributed at the left and right ends of the bottom end of the cushion (1).

3. The easily disassembled and assembled office chair according to claim 1, characterized in that: The first threaded rod (8) rotates in the inside of the cushion (1) through the first threaded groove (6), the first threaded rod (8) rotates in the inside of the support rod (2) through the first groove (7), and the first rotating block (9) rotates in the inside of the support rod (2) through the first groove (7).

4. The easily disassembled and assembled office chair according to claim 1, wherein: The second threaded rod (16) rotates in the inside of the support rod (2) through the second threaded groove (10), the second threaded rod (16) rotates in the inside of the support leg (5) through the fixed groove (11), the second threaded rod (16) rotates in the inside of the support leg (5) through the second groove (14), and the second rotating block (15) rotates in the inside of the fixed block (13) through the second groove (14).

5. A disassemblable office chair according to any one of claims 1 to 4, characterized in that: The back of the back cushion (4) is provided with a protruding block (17), the top end of the protruding block (17) is provided with a fixed plate (18), the inside of the fixed plate (18) is provided with a rotating rod (20), the surface of the rotating rod (20) is provided with a baffle (21), the surface of the rotating rod (20) is provided with a fixed ring (22), the surface of the fixed ring (22) is provided with a fixed rod (23), the surface of the fixed rod (23) is provided with an adjusting plate (24), and the middle of the adjusting plate (24) is provided with a headrest (25).

6. A readily disassemblable office chair according to claim 5, wherein: The rotating rod (20) rotates in the inside of the fixed plate (18) through the rotating groove (19), the baffles (21) are symmetrically distributed at the left and right ends of the surface of the rotating rod (20), and the baffles (21) are rotatably connected with the fixed plate (18).

7. The easily disassembled and assembled office chair according to claim 5, characterized in that: The fixed rings (22) are symmetrically distributed at the left and right ends of the surface of the rotating rod (20), the fixed rods (23) are uniformly distributed on the surface of the fixed ring (22), and the fixed rods (23) are rotatably connected with the back cushion (4).

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