CN220236459U - Chair with back support - Google Patents

Abstract

The utility model discloses a back support type chair, which comprises a chair seat, wherein a support type backrest mechanism convenient to fix comprises connecting rings fixed at two corners of the top end of the chair seat, support rods are inserted into the two corners of the top end of the chair seat, a backup plate is fixedly arranged at the top ends of the two support rods, a groove is formed in one side of one connecting ring, and a fixing buckle is rotatably arranged on the inner wall of one end of the groove. According to the utility model, the backrest is inserted into the upper end of the chair seat plate through the support rod, the backrest passes through the connecting rings, the height of the backrest plate is adjusted, then the fixing buckle in the groove on one side of one connecting ring is rotated to enable the protruding side of the backrest plate to rotate in the connecting ring and extrude one side of the support rod, and then the whole backrest structure is fixed.

Description

Chair with back support

Technical Field

The utility model relates to the technical field of chairs, in particular to a back-support type chair.

Background

The chair is one of the most frequently used furniture in modern society life, is widely applied to both the morning use and the household use, and is continuously developed for the modern furniture household, the variety of the chair is continuously increased, and the functions of the upper end of the chair are continuously perfected, so that the chair can provide more comfortable and more convenient use experience for users.

Aiming at the problem, the utility model provides a chair back rest plate convenient to adjust, which is characterized in that the back rest and the base are adjusted, so that the purposes of adjusting the height of the back plate and tilting the back at a certain angle are realized, the comfort is ensured while the chair is suitable for people with various heights, the prior chair, particularly the chair with the bearing type, is connected with the chair with the bearing type through connecting pieces such as screws and bolts when the chair is used for bearing the back rest, so that the back rest can be detached, but the connecting mode still needs auxiliary tools such as screwdrivers to operate in the later disassembly process, the operation is limited, and the operation is inconvenient, thereby reducing the convenience of the device.

Disclosure of Invention

In order to solve the above-mentioned problems, an object of the present utility model is to provide a back-rest receiving chair for solving the above-mentioned problems.

In order to achieve the above-mentioned purpose, the utility model provides a back support type chair, which comprises a chair seat, wherein a support type backrest mechanism which is convenient to fix is arranged at the upper end of the chair seat, the support type backrest mechanism which is convenient to fix comprises connecting rings which are fixed at two corners of the top end of the chair seat, supporting rods are inserted at the two corners of the top end of the chair seat, the outer walls of the two supporting rods are respectively inserted and connected with the inner walls of the two connecting rings, a backup plate is fixedly arranged at the top ends of the two supporting rods, a groove is formed in one side of one connecting ring, a fixing buckle is rotatably arranged on the inner wall at one end of the groove, one side of the fixing buckle is contacted with one side of one supporting rod, and a sponge cushion is fixedly arranged in the middle position of one side of the backup plate.

In one example, two fixing rods are fixedly arranged between the two supporting rods, and a containing groove is formed in one side of the top end of the chair seat.

In one example, the edge of one side of the inner wall of the storage groove is hinged with an extension plate, and two sides of the bottom of the chair seat are fixedly provided with connecting frames.

In one example, the inner walls of the connecting frames are respectively provided with a supporting bar in an penetrating way, and two ends of the bottoms of the supporting bars are respectively fixedly provided with a limiting block.

In an example, the side of extension board outer wall is fixed and is equipped with the bandage, four corners of chair seat bottom all are fixed and are equipped with the supporting leg, and the outer wall of two bracing piece one ends respectively pass the inner wall of chair seat and the inner wall interlude connection of two supporting legs wherein.

The back support type chair provided by the utility model has the following beneficial effects:

this back accepts type chair, through being provided with the convenient fixed type back structure of accepting that constitutes by go-between, the bracing piece, the backup plate, the recess, fixed buckle, foam-rubber cushion and dead lever etc. during the use, it is at chair seat upper end to pass the bracing piece with the back, make it pass the go-between, and after adjusting the height of backup plate, rotate one of them go-between one side recess fixed buckle and make its outstanding one side rotatory and extrusion bracing piece in the go-between, and then fix whole back structure, this design does not need to operate with the help of appurtenance when taking the chair when different users, fixed mode is simple and good operation, thereby improve the convenience of device use.

This back carries chair, through being provided with the extension structure of conveniently accomodating of constituteing by accomodating groove, extension board, link, support bar and stopper etc. when needs the frame leg to take, pulls extension board through the bandage and makes its in accomodating groove transit and rotatory one hundred eighty degrees, makes it flush with the chair seat, then slides support bar in the link and makes its one end support in the bottom of extension board, can accomplish the extension operation of chair to the practicality of device is improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of a structure of the fixing buckle and the supporting rod for convenient fixing and receiving;

fig. 3 is a schematic view of the structure of the extension plate of the present utility model.

In the figure: 1. chair seat; 2. a connecting ring; 3. a support rod; 4. a backup plate; 5. a groove; 6. a fixing buckle; 7. a sponge cushion; 8. a fixed rod; 9. a storage groove; 10. an extension plate; 11. a connecting frame; 12. a support bar; 13. a limiting block; 14. a strap; 15. and (5) supporting legs.

Detailed Description

In order to more clearly illustrate the general inventive concept, a detailed description is given below by way of example with reference to the accompanying drawings.

The first embodiment of the utility model provides a back support type chair as shown in fig. 1-3, which comprises a chair seat 1, wherein support bars 12 are inserted into the inner walls of a connecting frame 11, limiting blocks 13 are fixedly arranged at two ends of the bottoms of the two support bars 12, a binding belt 14 is fixedly arranged at one side of the outer wall of an extension plate 10, supporting legs 15 are fixedly arranged at four corners of the bottom of the chair seat 1, and the outer walls of one ends of two support bars 3 respectively penetrate through the inner walls of the chair seat 1 and are connected with the inner walls of the two supporting legs 15 in an inserted manner;

the second embodiment of the utility model provides a back support type chair as shown in fig. 2, wherein a support type backrest mechanism convenient to fix is arranged at the upper end of a chair seat 1, the support type backrest mechanism convenient to fix comprises connecting rings 2 fixed at two corners of the top end of the chair seat 1, supporting rods 3 are inserted into the two corners of the top end of the chair seat 1, the outer walls of the two supporting rods 3 are respectively connected with the inner walls of the two connecting rings 2 in an inserted manner, a backup plate 4 is fixedly arranged at the top ends of the two supporting rods 3, a groove 5 is formed on one side of one connecting ring 2, a fixing buckle 6 is rotatably arranged on the inner wall of one end of the groove 5, one side of the fixing buckle 6 is contacted with one side of one supporting rod 3, and a sponge cushion 7 is fixedly arranged in the middle position of one side of the backup plate 4;

in a third embodiment, the utility model provides a back-support type chair as shown in fig. 3, two fixing rods 8 are fixedly arranged between two support rods 3, a storage groove 9 is formed in one side of the top end of a chair seat 1, an extension plate 10 is hinged at the edge of one side of the inner wall of the storage groove 9, and connecting frames 11 are fixedly arranged on two sides of the bottom of the chair seat 1.

Working principle: when using the chair of accepting back in this design, at first need pass through bracing piece 3 with the back plate 4 of device upper end and install the upper end at chair seat 1, and then make the chair can normally use, and through being provided with the convenient fixed type back structure of accepting that constitutes by go-between 2, bracing piece 3, back plate 4, recess 5, fixed buckle 6, foam-rubber cushion 7 and dead lever 8 etc. in this design, when using, with the back pass through bracing piece 3 alternates at chair seat 1 upper end, make it pass go-between 2, and after adjusting the height of back plate 4, rotate one of them 2 side recess 5 fixed buckle 6 makes its outstanding one side rotate in go-between 2 and extrude bracing piece 3, and then fix whole back structure, this design does not need to operate with the help of appurtenance when adjusting back height, fixed mode is simple and the operation well, thereby improve the convenience that the device used, and one side of back plate 4 is fixed is equipped with foam-rubber cushion 7, improve the comfort level, and the back plate 8 alternates at chair seat 1 upper end, and the extension frame is stretched out at the back plate 9, and the extension frame is stretched out and the extension frame is made at the support bar is equipped with at the expansion frame is 10, and the expansion frame is stretched out and is made at the expansion frame is equipped with at the expansion frame is 10, and is used to the expansion frame is equipped with the expansion frame is 12, and is used at the expansion frame is equipped with the expansion frame is 12, and is stretched out at the expansion frame is used at the expansion frame is 12, and is used at the expansion frame is equipped with the expansion frame is convenient and is equipped with the expansion frame is 12, and is used and is equipped with the expansion frame is used and is equipped with the expansion frame is 12.

In this specification, each embodiment is described in a progressive manner, and identical and similar parts of each embodiment are all referred to each other, and each embodiment mainly describes differences from other embodiments. In particular, for system embodiments, since they are substantially similar to method embodiments, the description is relatively simple, as relevant to see a section of the description of method embodiments.

The foregoing is merely exemplary of the present utility model and is not intended to limit the present utility model. Various modifications and variations of the present utility model will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are to be included in the scope of the claims of the present utility model.

Claims (5)

1. A back-receiving chair comprising:

the chair comprises a chair seat (1), wherein the upper end of the chair seat (1) is provided with a bearing type backrest mechanism convenient to fix;

the method is characterized in that: the convenient fixed connection type backrest mechanism comprises connecting rings (2) fixed at two corners at the top end of a chair seat (1), supporting rods (3) are inserted into the two corners at the top end of the chair seat (1), the outer walls of the two supporting rods (3) are respectively connected with the inner walls of the two connecting rings (2) in an inserted mode, the top ends of the two supporting rods (3) are fixedly provided with backup plates (4), one side of the connecting rings (2) is provided with grooves (5), the inner wall at one end of each groove (5) is rotationally provided with a fixing buckle (6), one side of each fixing buckle (6) is contacted with one side of one supporting rod (3), and a sponge cushion (7) is fixedly arranged in the middle position of one side of the backup plate (4).

2. A back-receiving chair according to claim 1, wherein: two fixing rods (8) are fixedly arranged between the two supporting rods (3), and a storage groove (9) is formed in one side of the top end of the chair seat (1).

3. A back-receiving chair according to claim 2, wherein: an extension plate (10) is hinged at the edge of one side of the inner wall of the storage groove (9), and connecting frames (11) are fixedly arranged on two sides of the bottom of the chair seat (1).

4. A back-receiving chair according to claim 3, wherein: the inner walls of the connecting frames (11) are respectively provided with a supporting bar (12) in an penetrating way, and two ends of the bottoms of the supporting bars (12) are respectively fixedly provided with a limiting block (13).

5. The back-receiving chair of claim 4, wherein: one side of the outer wall of the extension plate (10) is fixedly provided with a binding belt (14), four corners of the bottom of the chair seat (1) are fixedly provided with supporting legs (15), and the outer walls of one ends of the two supporting rods (3) penetrate through the inner walls of the chair seat (1) respectively and are connected with the inner walls of the two supporting legs (15) in a penetrating mode.