CN214317527U

CN214317527U - Multifunctional office chair with foldable backrest

Info

Publication number: CN214317527U
Application number: CN202120357965.1U
Authority: CN
Inventors: 郝传柱; 吕爱楠
Original assignee: Shandong Huayu University of Technology
Current assignee: Shandong Huayu University of Technology
Priority date: 2021-02-09
Filing date: 2021-02-09
Publication date: 2021-10-01
Anticipated expiration: 2031-02-09

Abstract

The utility model provides a collapsible multi-functional official working seat of back relates to official working seat technical field, the utility model discloses a support frame and installation device, the fixed surface of support frame is connected with the cushion, the upper surface cover of support frame has two sheaths, and two sheaths are with the central point symmetric distribution of support frame, the both sides of support frame and cushion all are equipped with installation device, and two installation device are on same water flat line, installation device includes the gag lever post, the lateral wall and the cushion fixed surface of gag lever post are connected, the surface of sheath and support frame is equipped with fixing device, fixing device is including the supporting shoe, the upper surface and the sheath bottom fixed connection of supporting shoe, the one end fixedly connected with cushion of sheath is kept away from to the supporting shoe. The utility model discloses, it is comparatively loaded down with trivial details when dismantling to have solved the fixed mode between traditional cushion and the support frame, can lead to the problem of takedown time overlength.

Description

Multifunctional office chair with foldable backrest

Technical Field

The utility model relates to an official working seat technical field especially relates to a collapsible multi-functional official working seat of back.

Background

The office chair refers to various chairs which are equipped for working conveniently in daily work and social activities. Office chairs are classified into a narrow office chair and a generalized office chair, the narrow office chair refers to a backrest chair on which a person sits when working on a desktop in a sitting posture, and the generalized office chair is all chairs used in offices and comprises a large office chair, a middle office chair, a guest-meeting chair, a staff chair, a conference chair, a visitor chair, a training chair and the like.

Along with the development of science and technology, current office chair has had a lot of changes, say so that it can fold the back to have an office chair, and the cushion of general office chair fills for the sponge, can appear damaging when using for a long time and need dismantle, and fixed mode between traditional cushion and the support frame is comparatively loaded down with trivial details when dismantling, can lead to the problem of dismantling the time overlength.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a multifunctional office chair with a foldable backrest.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a collapsible multi-functional office chair of back, includes support frame and installation device, the fixed surface of support frame is connected with the cushion, the upper surface cover of support frame has two sheaths, and two sheaths with the central point symmetric distribution of support frame, the both sides of support frame and cushion all are equipped with installation device, and two installation device are on same water flat line, installation device includes the gag lever post, the lateral wall and the cushion fixed surface of gag lever post are connected, the sliding surface of gag lever post is connected with two slides, and two slide evenly distributed are on the surface of gag lever post, two the equal fixedly connected with slider of one end that the slide is close to each other, the support frame lateral wall is close to the fixed position connection fixed plate of slider, the inner wall and the slider surface sliding connection of fixed plate.

Preferably, the surface of the fixed plate is provided with a sliding chute, the inner wall of the sliding chute is connected with the outer surfaces of the two sliding blocks in a sliding manner, and the inner walls of the fixed plate and the sliding blocks are connected with the inserting blocks in a sliding manner.

Preferably, one end of the insertion block, which is far away from the fixing plate, is fixedly connected with a connecting plate, and two ends of the connecting plates, which are far away from the insertion block, are fixedly connected with a pull rod.

Preferably, the upper surface fixed connection of connecting plate has two springs, and two springs are with the central point symmetric distribution of connecting plate, the one end fixedly connected with fixed block of connecting plate is kept away from to the spring, the lateral wall of fixed block and the fixed surface of fixed plate are connected.

Preferably, the surface of sheath and support frame is equipped with fixing device, fixing device is including the supporting shoe, the upper surface and the sheath bottom fixed connection of supporting shoe, the one end fixedly connected with cushion of sheath is kept away from to the supporting shoe, the one end fixedly connected with cylinder of supporting shoe is kept away from to the cushion, cylindrical surface rotates and is connected with the commentaries on classics piece, the support frame surface is close to the position fixedly connected with disc of commentaries on classics piece.

Preferably, the inner walls of the rotating block and the disc are in threaded connection with threaded pins, one end, far away from the cushion block, of the cylinder is fixedly connected with a limiting disc, and the surface of the limiting disc is in sliding connection with the surface of the rotating block.

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

1. in the utility model, through arranging the installation device, when the cushion needs to be disassembled, firstly, the pull rod is pressed to drive the connecting plate to slide, the connecting plate drives the insert block to slide, the insert block slides in the sliding block and the fixed plate, the sliding of the connecting plate also drives the spring to stretch, the spring is fixed on the fixed block, the pull rod plays a role of driving the insert block to slide, after the insert block slides to a proper position, the slide plate is dragged to drive the slide plate to drive the slide block to slide, the slide plate slides on the surface of the limiting rod, the slide block slides out from the sliding groove of the fixed plate, the limiting rod plays a role of driving the slide plate to slide, thus, the cushion can be replaced, when a new cushion needs to be installed, the cushion is placed on the surface of the support frame, the slide plate is pushed again to drive the slide plate to slide into the sliding groove of the fixed plate, the pull rod spring is loosened to rebound after the slide to a proper position, the spring drives the connecting plate and slides, and in the connecting plate drove the inserted block and slided into fixed plate and slider, inserted block and slider had played and have fixed the effect on the support frame with the cushion, had solved that the fixed mode between traditional cushion and the support frame is comparatively loaded down with trivial details when dismantling, can lead to the problem of takedown time overlength.

2. The utility model discloses in, through setting up fixing device, when needs fix the sheath, put the sheath in the suitable position in support frame surface earlier, after placing and finishing, rotate the commentaries on classics piece and let the commentaries on classics piece rotate at cylindrical surface, the cylinder is fixed on the cushion, the cushion is fixed on the supporting shoe, after the commentaries on classics piece rotated the position of laminating disc, in rotating into commentaries on classics piece and disc with the screw thread round pin, the screw thread round pin has played the effect of fixing the commentaries on classics piece in the disc, still be fixed with the spacing dish on cylindrical surface, the spacing dish has played the effect that prevents the commentaries on classics piece and come off from cylindrical surface, the problem that traditional sheath can be driven by the manpower and come off from the chair when using has been solved.

Drawings

Fig. 1 is a schematic perspective view of a multifunctional office chair with a foldable backrest according to the present invention;

fig. 2 is a schematic structural view of a position a in fig. 1 of the multifunctional office chair with a foldable backrest of the utility model;

fig. 3 is an exploded schematic view of the installation device in the multifunctional office chair with a foldable backrest of the utility model;

fig. 4 is a schematic view of a bottom view structure of a multifunctional office chair with a foldable backrest of the utility model;

fig. 5 is a schematic structural view of a portion B in fig. 4 of the multifunctional office chair with a foldable backrest of the present invention;

fig. 6 is an illustration of the explosion structure of the fixing device in the multifunctional office chair with foldable backrest.

Illustration of the drawings: 1. a support frame; 2. a cushion; 3. a mounting device; 301. a limiting rod; 302. a slide plate; 303. a slider; 304. a fixing plate; 305. a chute; 306. inserting a block; 307. a connecting plate; 308. a pull rod; 309. a spring; 310. a fixed block; 4. a sheath; 5. a fixing device; 51. a support block; 52. cushion blocks; 53. a cylinder; 54. rotating the block; 55. a disc; 56. a threaded pin; 57. a limiting disc.

Detailed Description

In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the present invention is not limited to the limitations of the specific embodiments of the present disclosure.

Embodiment 1, as shown in fig. 1-6, a multifunctional office chair with a foldable backrest comprises a support frame 1 and a mounting device 3, wherein a cushion 2 is fixedly connected to the surface of the support frame 1, two protective sleeves 4 are sleeved on the upper surface of the support frame 1, the two protective sleeves 4 are symmetrically distributed around the central point of the support frame 1, the mounting device 3 is arranged on each of the two sides of the support frame 1 and the cushion 2, the two mounting devices 3 are on the same horizontal line, and a fixing device 5 is arranged on each of the surfaces of the protective sleeves 4 and the support frame 1.

The specific arrangement and function of the mounting means 3 and the fixing means 5 will be described in detail below.

As shown in fig. 1-3, the mounting device 3 includes a limiting rod 301, the side wall of the limiting rod 301 is fixedly connected to the surface of the seat cushion 2, two sliding plates 302 are slidably connected to the surface of the limiting rod 301, the two sliding plates 302 are uniformly distributed on the surface of the limiting rod 301, a sliding block 303 is fixedly connected to the end of the two sliding plates 302 close to each other, a fixing plate 304 is fixedly connected to the side wall of the support frame 1 close to the sliding block 303, the inner wall of the fixing plate 304 is slidably connected to the outer surface of the sliding block 303, after the insert block 306 slides to a proper position, the sliding plate 302 is pulled to make the sliding plate 302 drive the sliding block 303 to slide, the sliding plate 302 slides on the surface of the limiting rod 301, the sliding block 303 slides out from the sliding groove 305 of the fixing plate 304, the limiting rod 301 plays a role in sliding the sliding plate 302, so that the seat cushion 2 can be replaced, the surface of the fixing plate 304 is provided with a sliding groove 305, the inner wall of the sliding groove 305 is slidably connected to the outer surfaces of the two sliding blocks 303, the inner walls of the fixed plate 304 and the sliding block 303 are connected with an inserting block 306 in a sliding manner, one end of the inserting block 306 far away from the fixed plate 304 is fixedly connected with a connecting plate 307, one ends of the two connecting plates 307 far away from the inserting block 306 are fixedly connected with a pull rod 308, when a new cushion 2 needs to be installed, the cushion 2 is placed on the surface of the support frame 1, the sliding plate 302 is pushed to enable the sliding plate 302 to drive the sliding block 303 to slide into a sliding groove 305 of the fixed plate 304, the pull rod 308 is released to rebound after the sliding plate slides to a proper position, the spring 309 drives the connecting plate 307 to slide, the connecting plate 307 drives the inserting block 306 to slide into the fixed plate 304 and the sliding block 303, the inserting block 306 and the sliding block 303 play a role in fixing the cushion 2 on the support frame 1, the upper surface of the connecting plate 307 is fixedly connected with the two springs 309, the two springs 309 are symmetrically distributed by the central point of the connecting plate 307, one end of the spring 309 far away from the connecting plate 307 is fixedly connected with the fixed block 310, the lateral wall of fixed block 310 and the fixed surface fixed connection of fixed plate 304, when cushion 2 was dismantled to needs, press pull rod 308 earlier and let pull rod 308 drive connecting plate 307 slide, connecting plate 307 drives inserted block 306 and slides, inserted block 306 slides in slider 303 and fixed plate 304, the slip of connecting plate 307 has still driven spring 309 to stretch, spring 309 is fixed on fixed block 310, pull rod 308 has played the gliding effect of drive inserted block 306.

The whole installation device 3 achieves the effect that when the cushion 2 needs to be disassembled, firstly, the pull rod 308 is pressed to drive the connecting plate 307 to slide, the connecting plate 307 drives the inserting block 306 to slide, the inserting block 306 slides in the sliding block 303 and the fixing plate 304, the sliding of the connecting plate 307 also drives the spring 309 to stretch, the spring 309 is fixed on the fixing block 310, the pull rod 308 plays a role of driving the inserting block 306 to slide, after the inserting block 306 slides to a proper position, the sliding plate 302 is dragged to drive the sliding block 303 to slide, the sliding plate 302 slides on the surface of the limiting rod 301, the sliding block 303 slides out from the sliding groove 305 of the fixing plate 304, the limiting rod 301 plays a role of driving the sliding plate 302 to slide, so that the cushion 2 can be replaced, when a new cushion 2 needs to be installed, the cushion 2 is placed on the surface of the support frame 1, the sliding plate 302 is pushed to drive the sliding block 303 to slide into the sliding groove 305 of the fixing plate 304, the release pull rod 308 spring 309 can kick back after sliding to suitable position, and spring 309 drives connecting plate 307 and slides, and connecting plate 307 drives in the inserted block 306 slides and goes into fixed plate 304 and slider 303, and inserted block 306 and slider 303 have played and have fixed the effect on support frame 1 with cushion 2, and it is comparatively loaded down with trivial details when dismantling to have solved the fixed mode between traditional cushion 2 and the support frame 1, can lead to the problem of dismantling time overlength.

As shown in fig. 4-6, the fixing device 5 includes a supporting block 51, the upper surface of the supporting block 51 is fixedly connected to the bottom end of the sheath 4, one end of the supporting block 51 far from the sheath 4 is fixedly connected to a cushion block 52, one end of the cushion block 52 far from the supporting block 51 is fixedly connected to a cylinder 53, the surface of the cylinder 53 is rotatably connected to a rotating block 54, the surface of the support frame 1 near the rotating block 54 is fixedly connected to a disk 55, the inner walls of the rotating block 54 and the disk 55 are threadedly connected to a threaded pin 56, when the sheath 4 needs to be fixed, the sheath 4 is firstly placed at a proper position on the surface of the support frame 1, after the placement is completed, the rotating block 54 is rotated on the surface of the cylinder 53, the cylinder 53 is fixed to the cushion block 52, the cushion block 52 is fixed to the supporting block 51, after the rotating block 54 rotates to the position of the engaging disk 55, the threaded pin 56 is rotated into the rotating block 54 and the disk 55, the threaded pin 56 has the function of fixing the rotating block 54 in the circular disc 55, one end of the cylinder 53, which is far away from the cushion block 52, is fixedly connected with a limiting disc 57, the surface of the limiting disc 57 is in sliding connection with the surface of the rotating block 54, the limiting disc 57 is further fixed on the surface of the cylinder 53, and the limiting disc 57 has the function of preventing the rotating block 54 from falling off from the surface of the cylinder 53.

The whole fixing device 5 achieves the effect that when the sheath 4 needs to be fixed, the sheath 4 is firstly placed at a proper position on the surface of the support frame 1, after the sheath is placed, the rotating block 54 is rotated to enable the rotating block 54 to rotate on the surface of the cylinder 53, the cylinder 53 is fixed on the cushion block 52, the cushion block 52 is fixed on the support block 51, after the rotating block 54 rotates to the position of the fitting disc 55, the threaded pin 56 is rotated into the rotating block 54 and the disc 55, the threaded pin 56 plays a role in fixing the rotating block 54 in the disc 55, the limiting disc 57 is further fixed on the surface of the cylinder 53, the limiting disc 57 plays a role in preventing the rotating block 54 from falling off from the surface of the cylinder 53, and the problem that the traditional sheath 4 is driven by manpower to fall off from a chair when in use is solved.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may use the above-mentioned technical contents to change or modify the equivalent embodiment into equivalent changes and apply to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical matters of the present invention will still fall within the protection scope of the technical solution of the present invention.

Claims

1. The utility model provides a collapsible multi-functional office chair of back, includes support frame (1) and installation device (3), the fixed surface of support frame (1) is connected with cushion (2), the upper surface cover of support frame (1) has two sheaths (4), and two sheaths (4) with the central point symmetric distribution of support frame (1), its characterized in that: the utility model discloses a cushion, including support frame (1), cushion (2), installation device (3) and mounting device (3), and two installation device (3) are on same water flat line, installation device (3) are including gag lever post (301), the lateral wall and cushion (2) fixed surface of gag lever post (301) are connected, the sliding surface of gag lever post (301) is connected with two slides (302), and two slides (302) evenly distributed are on the surface of gag lever post (301), two the equal fixedly connected with slider (303) of one end that slide (302) are close to each other, the fixed position that slide (303) are close to support frame (1) lateral wall is connected with fixed plate (304), the inner wall and the slider (303) surface sliding connection of fixed plate (304).

2. A multifunctional office chair with a foldable backrest as claimed in claim 1, wherein: the surface of the fixed plate (304) is provided with a sliding groove (305), the inner wall of the sliding groove (305) is in sliding connection with the outer surfaces of the two sliding blocks (303), and the inner walls of the fixed plate (304) and the sliding blocks (303) are in sliding connection with an inserting block (306).

3. A multifunctional office chair with a foldable backrest as claimed in claim 2, wherein: one end, far away from the fixed plate (304), of the insertion block (306) is fixedly connected with connecting plates (307), and one ends, far away from the insertion block (306), of the two connecting plates (307) are fixedly connected with pull rods (308).

4. A multifunctional office chair with a foldable backrest as claimed in claim 3, wherein: the upper surface fixed connection of connecting plate (307) has two springs (309), and two springs (309) are with the central point symmetric distribution of connecting plate (307), the one end fixed connection fixed block (310) of connecting plate (307) is kept away from in spring (309), the fixed surface connection of the lateral wall of fixed block (310) and fixed plate (304).

5. A multifunctional office chair with a foldable backrest as claimed in claim 1, wherein: the surface of sheath (4) and support frame (1) is equipped with fixing device (5), fixing device (5) are including supporting shoe (51), the upper surface and sheath (4) bottom fixed connection of supporting shoe (51), one end fixedly connected with cushion (52) of sheath (4) are kept away from in supporting shoe (51), the one end fixedly connected with cylinder (53) of supporting shoe (51) are kept away from in cushion (52), the surface of cylinder (53) is rotated and is connected with commentaries on classics piece (54), support frame (1) surface is close to position fixedly connected with disc (55) of commentaries on classics piece (54).

6. A multifunctional office chair with a foldable backrest as claimed in claim 5, wherein: the inner walls of the rotating block (54) and the disc (55) are in threaded connection with a threaded pin (56), one end, far away from the cushion block (52), of the cylinder (53) is fixedly connected with a limiting disc (57), and the surface of the limiting disc (57) is in sliding connection with the surface of the rotating block (54).