CN219229437U

CN219229437U - Chair with soft and hard backrest

Info

Publication number: CN219229437U
Application number: CN202320352785.3U
Authority: CN
Inventors: 王小东
Original assignee: Foshan Yizhong Furniture Co ltd
Current assignee: Foshan Yizhong Furniture Co ltd
Priority date: 2023-03-01
Filing date: 2023-03-01
Publication date: 2023-06-23
Anticipated expiration: 2033-03-01

Abstract

The utility model relates to the technical field of chairs, in particular to a chair with a soft backrest, which comprises a chair surface, a chair backrest, a soft backrest, a connecting piece, a mounting plate, a connecting seat, a hydraulic cylinder, a spring and a hydraulic switch.

Description

Chair with soft and hard backrest

Technical Field

The utility model relates to the technical field of chairs, in particular to a chair with a soft backrest and a hard backrest.

Background

The chair is furniture for daily life, and is a seat with a backrest and armrests. Modern chairs are attractive and comfortable, some chairs are not used as seats alone, and the quality of life of human beings is improved under the combination of science and technology.

When the existing chair is designed, the backrest is only supported by the back, the backrest is single in function, the backrest of the chair is made of harder materials, discomfort of the back can be more and more serious when the chair cannot sit for a long time, the experience of a user is affected, meanwhile, the existing backrest chair with a fixed structure is stable and firm to use, but has no lifting function, and the chair is not provided with a buffer function when the chair is lifted, so that the chair is easy to damage and generate danger when the chair sits in a large size, and the actual requirement cannot be met.

Disclosure of Invention

The utility model aims to provide a chair with a soft backrest and a hard backrest, so as to solve the problems in the prior art.

The technical scheme of the utility model is as follows: the utility model provides a chair that can soft and hard back, includes the seat, the fixed surface of seat is connected with the seat, the through-hole has been seted up on the surface of seat and the inner wall fixedly connected with soft of through-hole leans on, the lower fixed surface of seat is connected with the connecting piece, the mounting panel is installed to the bottom of connecting piece, the lower fixed surface of mounting panel is connected with the connecting seat, the lower fixed surface of connecting seat is connected with the pneumatic cylinder, the extension part surface cover of pneumatic cylinder is equipped with the spring, the top and the lower fixed surface of connecting seat are connected, the bottom and the last fixed surface of the latter half of pneumatic cylinder of spring are connected, the lower surface of seat is provided with hydraulic switch.

Preferably, the bottom end of the hydraulic cylinder is fixedly connected with a chassis, and the lower surface of the chassis is rotationally connected with a movable rod.

Preferably, the bottom fixedly connected with connecting block of movable rod, one side fixedly connected with U type piece of connecting block.

Preferably, the inner top wall of the U-shaped block is rotationally connected with a shock absorber, and the other end of the shock absorber is rotationally connected with a fixing piece.

Preferably, the surface mounting of stationary blade has the shock attenuation wheel, the interior bottom wall of U type piece rotates and is connected with two dwang.

Preferably, the other ends of the two rotating rods are both rotationally connected with the surface of the fixing piece.

The utility model provides a chair capable of softening and hardening the backrest through improvement, which has the following improvements and advantages compared with the prior art:

according to the utility model, through the cooperation of the chair backrest and the soft backrest, the experience is better, the hydraulic cylinder and the spring are matched, the hydraulic cylinder can be controlled by the hydraulic switch to realize the lifting of the chair surface, the hydraulic cylinder can be buffered by the spring, the damping wheel can be subjected to universal motion by the movable rod, the whole chair can be damped when moving by the cooperation of the rotary rod and the damper, so that people taking the chair are more comfortable, the problem that the existing backrest chair with a fixed structure is stable and firm in use, but has no lifting function, and the chair is easy to damage and generate danger when sitting in a large body type is easily caused because the chair has no buffering function while having the lifting function.

Drawings

The utility model is further explained below with reference to the drawings and examples:

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic perspective view of a lifting buffer structure according to the present utility model;

fig. 3 is an enlarged perspective view of a buffer structure portion of the present utility model.

Reference numerals illustrate:

1. a seat surface; 2. a chair backrest; 3. soft leaning; 4. a connecting piece; 5. a mounting plate; 6. a connecting seat; 7. a hydraulic cylinder; 8. a spring; 9. a hydraulic switch; 10. a chassis; 11. a movable rod; 12. a connecting block; 13. a U-shaped block; 14. a rotating lever; 15. a damper; 16. a fixing piece; 17. and a damping wheel.

Detailed Description

The following detailed description of the present utility model clearly and fully describes the technical solutions of the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model provides a chair with a soft backrest and a hard backrest through improvement, and the technical scheme of the utility model is as follows: as shown in fig. 1-3: the utility model provides a chair that can soft and hard back, including seat 1, the fixed surface of seat 1 is connected with seat 2, the through-hole has been seted up on the surface of seat 2 and the inner wall fixedly connected with soft leaning on 3 of through-hole, the lower fixed surface of seat 1 is connected with connecting piece 4, mounting panel 5 is installed to the bottom of connecting piece 4, the lower fixed surface of mounting panel 5 is connected with connecting seat 6, the lower fixed surface of connecting seat 6 is connected with pneumatic cylinder 7, the extension part surface cover of pneumatic cylinder 7 is equipped with spring 8, the top and the lower fixed surface of connecting seat 6 are connected, the bottom of spring 8 and the last fixed surface of the latter half of pneumatic cylinder 7 are connected, the lower surface of seat 1 is provided with hydraulic switch 9.

By the above structure or mechanism: the buffer structure is connected through the connecting seat 6 and the mounting plate 5, and the hydraulic cylinder 7 can be controlled to lift the chair seat 1 through the hydraulic switch 9 by matching the hydraulic cylinder 7 and the spring 8.

Further, the bottom fixedly connected with chassis 10 of pneumatic cylinder 7, the lower surface of chassis 10 rotates and is connected with movable rod 11, the bottom fixedly connected with connecting block 12 of movable rod 11, one side fixedly connected with U type piece 13 of connecting block 12, the interior roof rotation of U type piece 13 is connected with bumper shock absorber 15, the other end rotation of bumper shock absorber 15 is connected with stationary blade 16, the surface mounting of stationary blade 16 has damping wheel 17, the interior bottom wall rotation of U type piece 13 is connected with two dwang 14, the other end of two dwang 14 all rotates with the surface of stationary blade 16 and is connected.

By the above structure or mechanism: can realize universal motion to shock attenuation wheel 17 through movable rod 11, through the cooperation use of dwang 14, bumper shock absorber 15, can shock attenuation when removing to its whole, dwang 14 is provided with two, makes its bearing better.

Working principle: when the chair with soft and hard backs is used, the chair with soft and hard backs can be better in experience through the cooperation of the chair back 2 and the soft back 3, the lifting of the chair surface 1 can be realized through the hydraulic cylinder 7 and the cooperation of the spring 8 by controlling the hydraulic cylinder 7 through the hydraulic switch 9, the hydraulic cylinder 7 can be buffered through the spring 8, the damping wheel 17 can be subjected to universal motion through the movable rod 11, the whole chair can be damped during moving through the cooperation of the rotary rod 14 and the damper 15, people can feel more comfortable, the existing back chair with a fixed structure is solved, the chair is stable and firm to use, but has no lifting function, and has no buffering function in the middle of having the lifting function, so that the problem that the chair is damaged and dangerous when sitting in a large body type is easily caused.

Claims

1. Chair with soft and hard backrest, comprising a chair surface (1), characterized in that: the utility model provides a surface mounting who leans on (2) chair seat (1) is connected with, the inner wall fixedly connected with soft leaning on (3) of through-hole and through-hole are seted up to the surface of chair leaning on (2), the lower fixed surface of chair seat (1) is connected with connecting piece (4), mounting panel (5) are installed to the bottom of connecting piece (4), the lower fixed surface of mounting panel (5) is connected with connecting seat (6), the lower fixed surface of connecting seat (6) is connected with pneumatic cylinder (7), the extension part surface cover of pneumatic cylinder (7) is equipped with spring (8), the top of spring (8) is connected with the lower fixed surface of connecting seat (6), the bottom of spring (8) is connected with the upper surface of the lower half of pneumatic cylinder (7), the lower surface of chair seat (1) is provided with hydraulic switch (9).

2. A chair with a soft or hard backrest according to claim 1, wherein: the bottom end of the hydraulic cylinder (7) is fixedly connected with a chassis (10), and the lower surface of the chassis (10) is rotatably connected with a movable rod (11).

3. A chair with a soft or hard backrest according to claim 2, wherein: the bottom fixedly connected with connecting block (12) of movable rod (11), one side fixedly connected with U type piece (13) of connecting block (12).

4. A chair with a soft or hard back according to claim 3, wherein: the inner top wall of the U-shaped block (13) is rotationally connected with a shock absorber (15), and the other end of the shock absorber (15) is rotationally connected with a fixing piece (16).

5. A chair with a soft or hard back according to claim 4, wherein: the surface mounting of stationary blade (16) has shock attenuation wheel (17), the interior bottom wall rotation of U type piece (13) is connected with two dwang (14).

6. A chair with a soft or hard back according to claim 5, wherein: the other ends of the two rotating rods (14) are rotatably connected with the surface of the fixing piece (16).