CN220423521U

CN220423521U - Ergonomic seat

Info

Publication number: CN220423521U
Application number: CN202322045853.4U
Authority: CN
Inventors: 徐志荣; 吕江
Original assignee: Zhejiang Xinghua Furniture Co ltd
Current assignee: Zhejiang Xinghua Furniture Co ltd
Priority date: 2023-07-31
Filing date: 2023-07-31
Publication date: 2024-02-02
Anticipated expiration: 2033-07-31

Abstract

The utility model provides an ergonomic chair, which comprises a base, a backrest frame and chair legs, wherein the backrest frame is arranged on the side wall of the base, the chair legs are arranged at the bottom of the base, a seat plate is fixedly arranged on the base, a mounting frame is arranged on the seat plate in a sliding manner, a connecting assembly is rotatably arranged at the top of the mounting frame, and an adjustable waist rest assembly is detachably arranged on the connecting assembly. The utility model has the advantages of adjustable and self-adaptive support of the waist of the user.

Description

Ergonomic seat

Technical Field

The utility model relates to the technical field of seat design, in particular to an ergonomic seat.

Background

Ergonomic chairs are chairs specifically designed to provide support and comfort to the human body to reduce discomfort and fatigue from prolonged sitting postures.

The prior chair comprises a seat plate, wherein a waist plate is arranged at one end of the seat plate, a back plate is arranged at the top end of the waist plate, a supporting plate is arranged on the back of the back plate and the waist plate, a neck supporting frame is arranged at the top end of the supporting plate, handles are arranged on two sides of the seat plate, and a pneumatic limiting structure is arranged in the neck supporting frame.

The waist of the seat cannot be adjusted in the using process, so that the waist of people with different body types cannot be effectively supported, and the seat is fixed at a plurality of positions, lacks dynamic support in the using process and cannot be adjusted and supported along with the movement of users.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model provides an ergonomic chair which is used for solving the technical problem that the prior chair cannot effectively support the waists of people with different body types.

The technical aim of the utility model is realized by the following technical scheme:

the utility model provides an ergonomic seat, includes base, back frame and chair foot, back frame installs on the lateral wall of base, the chair foot is installed in the base bottom, the fixed seat that is equipped with on the base, it is equipped with the mounting bracket to slide on the seat, the mounting bracket top rotates and is equipped with coupling assembling, detachable is equipped with adjustable back subassembly on the coupling assembling.

Working principle:

the utility model relates to an ergonomic chair which is mainly used for riding a user.

Because most of the components of the seat are installed when leaving the factory, when the seat is installed by a user, the waist support assembly is only required to be connected with the connecting assembly at the top of the installation frame, and the chair legs are installed at the bottom of the base, so that the seat can be used after the installation is completed.

When the seat is used, the mounting frame can be slidably adjusted on the seat according to the body shape of a user, and the seat can be used after being adjusted to a proper position.

The beneficial effects are obtained:

first, the slip is equipped with the mounting bracket, can drive the coupling assembling and the waist subassembly of installing on the mounting bracket through the slip regulation to the mounting bracket and remove, and the effectual user who promotes different sizes is using the comfort level of this seat.

The second, rotate and be equipped with coupling assembling, can drive the rotation regulation to a certain extent that the waist subassembly carries out through coupling assembling's rotation, make the user when doing the partial action, the waist subassembly can also carry out the support of leaning on to the waist constantly.

Thirdly, be equipped with the waist support subassembly of self-adaptation regulation, can increase the dynamic support of this seat, slow down muscle fatigue and the healthy of improvement backbone.

Drawings

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

FIG. 2 is a schematic cross-sectional view of the overall structure of the seat and lumbar support assembly;

fig. 3 is an enlarged schematic view of the structure at a in fig. 2.

In the above figures: 1. a base; 2. a backrest frame; 3. chair legs; 4. a seat plate; 5. a mounting frame; 6. a connecting shaft; 7. a connecting block; 8. a rotating bearing; 9. a connecting plate; 10. a connecting rod; 11. a spring; 12. a support plate; 13. breathable waist rest; 14. a connecting groove; 15. a bolt; 16. a protrusion; 17. a chute; 18. a connecting cavity; 19. a screw rod; 20. connecting sleeves; 21. a connection hole; 22. rotating the handle; 23. a cushion; 24. a neck rest; 25. and the breathable neck rest.

Detailed Description

The technical scheme of the utility model is further described below with reference to the accompanying drawings and examples.

Examples:

referring to fig. 1 to 3, the utility model relates to an ergonomic chair, which comprises a base 1, a backrest frame 2 and chair legs 3, wherein the backrest frame 2 is arranged on the side wall of the base 1, the chair legs 3 are arranged at the bottom of the base 1, a seat plate 4 is fixedly arranged on the base 1, a connecting cavity 18 is formed in the seat plate 4, a screw rod 19 is horizontally rotated in the connecting cavity 18, a connecting sleeve 20 is sleeved on the screw rod 19 in a threaded manner, the connecting sleeve 20 is in sliding abutting connection with the side wall of the connecting cavity 18, strip-shaped connecting holes 21 are formed on the side walls of the two sides of the connecting cavity 18, the mounting frames 5 respectively slide through the two side connecting holes 21 and are fixedly connected with the connecting sleeve 20, one end of the screw rod 19 close to the backrest frame 2 slides through the side wall of the seat plate 4 and horizontally extends outwards, one section of the screw rod 19, which passes through the seat plate 4, and a rotating handle 22 is fixedly arranged at the end of the screw rod 19, which extends out of the seat plate 4. The arrangement can effectively drive the screw rod 19 to rotate through the rotating handle 22, so that the connecting sleeve 20 sleeved on the screw rod 19 in a threaded manner moves in the connecting cavity 18, and further drives the mounting frame 5 fixedly connected with the connecting sleeve 20 to move. A cushion 23 is fixedly arranged on the seat plate 4.

As shown in fig. 1 and 2, the top of the mounting frame 5 is rotationally provided with a connecting component, the connecting component comprises a connecting shaft 6, a connecting block 7 and a rotating bearing 8, the connecting shaft 6 is horizontally and fixedly installed between the mounting frame 5, the rotating bearing 8 is fixedly embedded in the connecting block 7 and fixedly sleeved on the connecting shaft 6, an adjustable lumbar support component is detachably arranged on the connecting block 7, the lumbar support component comprises a connecting plate 9, a plurality of connecting rods 10, a plurality of springs 11, a supporting plate 12 and a ventilation lumbar support 13, the connecting plate 9 is detachably connected with the connecting block 7, a plurality of connecting rods 10 are fixedly installed on one side of the connecting plate 9 deviating from the connecting block 7, connecting grooves 14 corresponding to the connecting rods 10 in one-to-one mode are formed in the supporting plate 12, a plurality of springs 11 are installed at the bottoms of the connecting grooves 14 in one-to-one mode, one ends of the connecting rods 10 deviating from the connecting plate 9 extend into the connecting grooves 14 and are fixedly connected with the springs 11 in the connecting grooves 14 respectively, and the ventilation lumbar support 13 is fixedly installed on one side of the supporting plate 12 deviating from the connecting plate 9. The setting like this can effectually drive connecting block 7 through slewing bearing 8 and rotate on connecting axle 6, realizes the lumbar support to personnel under different angles, can effectually increase ventilative lumbar support 13 dynamic support's effect through the spring 11 that is equipped with, can be further when the personnel of user remove or rotate in a small scale, constantly support personnel's waist.

As shown in fig. 2, the connecting block 7 is provided with a plurality of bolts 15, and a plurality of bolts 15 penetrate through the connecting block 7 in a threaded manner and are connected with the connecting plate 9 in a threaded manner. This may be more convenient when assembling and replacing the lumbar support assembly. As shown in fig. 3, a plurality of protrusions 16 are disposed at the openings of the connecting grooves 14, a plurality of sliding grooves 17 are disposed on the side walls of the connecting rods 10, and the protrusions 16 are disposed in the sliding grooves 17 on the connecting rods 10 in a one-to-one correspondence. This arrangement effectively prevents the connecting rod 10 from being removed from the connecting slot 14 by connecting the plurality of protrusions 16 to slide in the slide slot 17.

As shown in fig. 1, the backrest frame 2 is provided with a neck rest assembly, the neck rest assembly comprises a neck rest frame 24 and an air permeable neck rest 25, the neck rest frame 24 is rotatably mounted on the backrest frame 2, and the air permeable neck rest 25 is fixedly mounted on the top of the neck rest frame 24. The neck rest 24 rotates through a rotating shaft, and is relatively fixed in position through an internal damping member, and the rotating connection mode is common in the art, which is not described in detail in this application. Therefore, after the ventilation lumbar support 13 is adjusted, the neck of a user can be supported through the rotation of the neck support 24, and the comfort of the seat is improved.

Working principle:

during installation, the connecting plate 9 and the connecting block 7 are connected through the bolts 15, the chair legs 3 are installed at the bottom of the base 1, and the chair can be used after the installation is completed. When in use, the screw rod 19 can be driven to rotate by rotating the handle 22 according to the body shape of a user, the connecting sleeve 20 sleeved on the screw rod 19 is enabled to move in the connecting cavity 18, the mounting frame 5 fixedly connected with the connecting sleeve 20 is further driven to move, the whole lumbar support assembly can be driven to move when the mounting frame 5 moves, and the neck support 24 can be further rotated to reach a position capable of being supported for use after the waist support assembly is adjusted to a proper position.

Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered by the scope of the claims of the present utility model.

Claims

1. The utility model provides an ergonomic seat, includes base (1), back frame (2) and chair foot (3), back frame (2) are installed on the lateral wall of base (1), chair foot (3) are installed in base (1) bottom, its characterized in that: the seat is characterized in that a seat plate (4) is fixedly arranged on the base (1), a mounting frame (5) is slidably arranged on the seat plate (4), a connecting assembly is rotatably arranged at the top of the mounting frame (5), and an adjustable waist support assembly is detachably arranged on the connecting assembly.

2. An ergonomic chair according to claim 1, characterized in that: the connecting assembly comprises a connecting shaft (6), a connecting block (7) and a rotating bearing (8), wherein the connecting shaft (6) is horizontally and fixedly installed between the installation racks (5), and the rotating bearing (8) is fixedly embedded in the connecting block (7) and fixedly sleeved on the connecting shaft (6).

3. An ergonomic chair according to claim 2, characterized in that: the waist support assembly comprises a connecting plate (9), a plurality of connecting rods (10), a plurality of springs (11), a supporting plate (12) and a breathable waist support (13), wherein the connecting plate (9) is detachably connected with a connecting block (7), the connecting rods (10) are fixedly installed on one side, deviating from the connecting block (7), of the connecting plate (9), connecting grooves (14) corresponding to the connecting rods (10) are formed in the supporting plate (12), the springs (11) are installed at the bottoms of the connecting grooves (14) in a one-to-one mode, and the connecting rods (10) are all extended into the connecting grooves (14) at one ends deviating from the connecting plate (9) and are fixedly connected with the springs (11) in the connecting grooves (14) respectively, and the breathable waist support (13) is fixedly installed on one side, deviating from the connecting plate (9), of the supporting plate (12).

4. An ergonomic chair according to claim 3, wherein: the connecting block (7) is provided with a plurality of bolts (15), and the bolts (15) penetrate through the connecting block (7) in a threaded mode and are connected with the connecting plate (9) in a threaded mode.

5. An ergonomic chair according to claim 3, wherein: a plurality of bulges (16) are arranged at the openings of the connecting grooves (14), a plurality of sliding grooves (17) are formed in the side walls of the connecting rods (10), and the bulges (16) are correspondingly arranged in the sliding grooves (17) on the connecting rods (10) one by one.

6. An ergonomic chair according to claim 1, characterized in that: the seat is characterized in that a connecting cavity (18) is formed in the seat (4), a screw rod (19) is horizontally arranged in the connecting cavity (18) in a rotating mode, a connecting sleeve (20) is sleeved on the screw rod (19), the connecting sleeve (20) is in sliding butt with the side wall of the connecting cavity (18), strip-shaped connecting holes (21) are formed in the side walls of the two sides of the connecting cavity (18), the mounting frame (5) respectively slides through the connecting holes (21) on the two sides and is fixedly connected with the connecting sleeve (20), and one end of the screw rod (19) close to the backrest frame (2) slides through the side wall of the seat (4) and horizontally extends outwards.

7. An ergonomic chair according to claim 6, wherein: the end part of the screw rod (19) extending out of the seat plate (4) is fixedly provided with a rotary handle (22).

8. An ergonomic chair according to claim 1, characterized in that: a cushion (23) is fixedly arranged on the seat plate (4).

9. An ergonomic chair according to claim 1, characterized in that: the backrest is characterized in that a neck rest assembly is arranged on the backrest frame (2), the neck rest assembly comprises a neck rest frame (24) and a ventilation neck rest (25), the neck rest frame (24) is rotatably arranged on the backrest frame (2), and the ventilation neck rest (25) is fixedly arranged at the top of the neck rest frame (24).