CN220423541U

CN220423541U - Office chair with adjustable armrests

Info

Publication number: CN220423541U
Application number: CN202321956119.7U
Authority: CN
Inventors: 陈建敏; 蔡海华
Original assignee: Anji Haitang Furniture Co ltd
Current assignee: Anji Haitang Furniture Co ltd
Priority date: 2023-07-24
Filing date: 2023-07-24
Publication date: 2024-02-02
Anticipated expiration: 2033-07-24

Abstract

The utility model provides an office chair of adjustable handrail for solve the handrail of the prior art advertisement that mentions among the background art can not adjust according to user's self demand, thereby cause the user to use the handrail when the handrail can not support the technical problem of phenomenon that user's arm carries out well, including the bedplate, the bedplate both sides all set firmly the bracing piece, two all set firmly the fixing base on the bracing piece, two all set firmly the dead lever on the fixing base, two all rotate on the dead lever and be equipped with the axis of rotation, one side of two cross section departments all is equipped with a plurality of evenly distributed's atress tooth on its circumference outer wall, two all rotate on the fixing base and be equipped with the pawl, and two pawls and two axis of rotation one-to-ones, and pawl and the corresponding epaxial atress tooth meshing, two all be equipped with the handrail board in the axis of rotation.

Description

Office chair with adjustable armrests

Technical Field

The utility model relates to the technical field of seat processing, in particular to an office chair with adjustable armrests.

Background

Office chairs are one type of chairs which are mainly used for people to rest, wherein the office leisure chairs are a new type of leisure chairs which are raised in recent years, and the office leisure chairs facilitate staff to rest in offices.

Prior art seats, such as the patent document entitled "leisure chair" with the publication number CN217987113U, disclose a seat comprising a seat surface and a support plate; the seat surface top is provided with a storage groove, clamping grooves are formed in the periphery of the top of the storage groove, the supporting plate is arranged in the clamping grooves, the sponge cushion is fixedly installed at the top of the supporting plate, the water bag cushion is fixedly installed at the bottom of the supporting plate, and the water bag cushion is arranged in the storage groove.

The armrest in the above patent document cannot be adjusted according to the own needs of the user, so that the armrest cannot support the arm of the user well when the user uses the armrest.

Disclosure of Invention

The utility model aims at overcoming the defects of the prior art, and provides an office chair with an adjustable armrest, which is used for solving the technical problem that armrests in the prior art mentioned in the background art cannot be adjusted according to the self requirements of users, so that the armrests cannot support arms of the users well when the users use the armrests.

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

the utility model provides an office chair of adjustable handrail, includes the bedplate, the bracing piece has all been set firmly to the bedplate both sides, two all set firmly the fixing base on the bracing piece, two all set firmly the dead lever on the fixing base, two all rotate on the dead lever and be equipped with the axis of rotation, one side of one cross section department of two axis of rotation all is equipped with a plurality of evenly distributed's atress teeth on its circumference outer wall, two all rotate on the fixing base and be equipped with the pawl, and two pawls and two axis of rotation one-to-one, and pawl and the corresponding epaxial atress tooth meshing of rotation, two all be equipped with the handrail board in the axis of rotation.

Working principle:

the support bar on which the armrests are mounted is first mounted on the seat plate.

When the user needs to rotate the handrail on the office chair, the user can pull the pawl, and then the pawl breaks away from the meshing with the stressed teeth on the rotating shaft, the rotating shaft can rotate on the fixed rod after the stressed teeth break away from the meshing, so that the user can rotate to a proper angle, after the user rotates to a proper angle, the user can abut the pawl and the stressed teeth again, and therefore when the user arm is placed on the handrail plate, the rotating shaft does not rotate due to the meshing with the pawl, and the angle after the rotation of the handrail plate is locked.

Compared with the prior art, the utility model has the following beneficial effects:

first, be equipped with pawl and atress tooth, can adjust the rotation angle of handrail board through the cooperation of pawl and atress tooth to the user of being convenient for rotates the handrail board to suitable angle.

Secondly, be equipped with the handrail board, the user can place the arm on the handrail board, and when using the seat, the arm also can carry out effectual support.

Drawings

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

fig. 2 is an enlarged schematic view of the structure at a in fig. 1.

Reference numerals illustrate: the seat board 1, the support rod 2, the fixed seat 3, the fixed rod 4, the rotating shaft 5, the stress teeth 6, the pawl 7, the handrail plate 8, the mounting groove 9, the mounting cavity 10, the rotating groove 11, the baffle 12, the elastic piece 13, the first strip-shaped groove 14, the second strip-shaped groove 15, the deflector rod 16, the connecting arm 17 and the rotating piece 18.

Detailed Description

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

Examples:

as shown in fig. 1 and fig. 2, an office chair with adjustable armrests comprises a seat plate 1, support rods 2 are fixedly arranged on two sides of the seat plate 1, fixing seats 3 are fixedly arranged on the support rods 2, fixing rods 4 are fixedly arranged on the fixing seats 3, rotating shafts 5 are rotatably arranged on the fixing rods 4, a plurality of uniformly distributed stressed teeth 6 are uniformly arranged on one side of one cross section of each rotating shaft 5 along the circumferential outer wall of each rotating shaft, pawls 7 are rotatably arranged on each fixing seat 3, the pawls 7 are in one-to-one correspondence with the corresponding rotating shafts 5, the pawls 7 are meshed with the stressed teeth 6 on the corresponding rotating shafts 5, and the armrests 8 are arranged on the rotating shafts 5.

As shown in fig. 1 and 2, a first bar-shaped groove 14 is formed on one side, close to the baffle 12, of the fixed seat 3, a second bar-shaped groove 15 is formed on the pawl 7, a deflector rod 16 is arranged on the fixed seat 3, and the deflector rod 16 penetrates through the first bar-shaped groove 14 and is in sliding connection with the second bar-shaped groove 15. As shown in fig. 1 and 2, a detachable baffle 12 is arranged on one side of the fixed seat 3, which is close to the installation cavity 10, an elastic piece 13 is fixedly arranged on the baffle 12, and the elastic piece 13 is abutted with the pawl 7.

When a user needs to adjust the angle of the armrest plate 8, the user pulls the deflector rod 16, so that the deflector rod 16 moves in the first strip-shaped groove 14, the first strip-shaped groove 14 is L-shaped, one section of the first strip-shaped groove 14 is a circular arc section, the other section of the first strip-shaped groove 14 is a vertical section, the pawl 7 is disengaged from the stressed teeth 6 due to the movement of the deflector rod 16 in the circular arc section of the first strip-shaped groove 14, when the pawl 7 rotates, the elastic piece 13 is converted into a contracted state from a natural state due to the pushing force of the pawl 7, when the deflector rod 16 moves to the junction of the circular arc section and the vertical section, the user can pull the deflector rod 16 downwards, at the moment, the vertical section of the first strip-shaped groove 14 is consistent with the direction of the second strip-shaped groove 15, and then the user can pull the deflector rod 16 downwards, so that the deflector rod 16 is clamped in the vertical section of the first strip-shaped groove 14 and the second strip-shaped groove 15, and then the angle of the armrest plate 8 can be adjusted by rotating the user.

When the angle adjustment of the armrest plate 8 is completed, a user pulls the deflector rod 16 upwards, the deflector rod 16 slides upwards in the vertical section of the first strip-shaped groove 14 and the second strip-shaped groove 15, when the deflector rod 16 moves to the junction of the circular arc section and the vertical section, the user releases the deflector rod 16, the pushing force lost by the elastic piece 13 is changed into a natural state from a contracted state, the elastic piece 13 forms a pushing force on the deflector rod 16 when the elastic piece 13 is changed into the natural state, the deflector rod 16 continues to move in the circular arc section of the first strip-shaped groove 14, the deflector rod 16 drives the pawl 7 to rotate, the pawl 7 is meshed with the stressed teeth 6 on the rotating shaft 5 again, and the adjusted armrest plate 8 is locked, so that the user can use the armrest plate 8 conveniently.

As shown in fig. 1 and 2, the fixing seat 3 is provided with a mounting cavity 10, the pawl 7 is rotatably disposed in the mounting cavity 10, as shown in fig. 1 and 2, an annular and non-closed mounting groove 9 is formed on the outer wall of the rotating shaft 5 along the same cross section circumference, and a plurality of force-bearing teeth 6 are uniformly fixed in the mounting groove 9.

The stress teeth 6 are fixedly arranged in the mounting grooves 9, so that the user is prevented from being scratched by sharp stress teeth 6 when the user contacts the stress teeth 6, the pawl 7 is arranged in the mounting cavity 10, and the user cannot contact the pawl when using the pawl, so that injury is avoided.

As shown in fig. 1 and fig. 2, two connecting arms 17 are fixed on the two rotating shafts 5, the two rotating grooves 11 are formed on one sides of the two fixing seats 3 far away from the installation cavity 10, the two connecting arms 17 can be in rotary connection with the two rotating grooves 11 in one-to-one correspondence, and the connecting arms 17 can rotate in the rotating grooves 11, so that the handrails can be rotated by users conveniently.

As shown in fig. 1, the two connecting arms 17 are provided with rotating members 18, and the two handrail plates 8 are fixedly arranged on the two rotating members 18 in one-to-one correspondence. The user can rotate the armrest plate 8 through the rotating member 18, and the rotating member 18 is a bearing structure.

Working principle:

The connecting arm 17 can rotate in the rotating groove 11, thereby facilitating the rotation of the handrail by a user.

The user can rotate the armrest plate 8 through the rotating member 18, and the rotating member 18 is a bearing structure.

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 office chair of adjustable handrail, its characterized in that, including bedplate (1), bracing piece (2) have all been set firmly to bedplate (1) both sides, two all set firmly fixing base (3) on bracing piece (2), two all set firmly dead lever (4) on fixing base (3), two all rotate on dead lever (4) and be equipped with axis of rotation (5), one side of two axis of rotation (5) departments all is equipped with a plurality of evenly distributed's atress tooth (6) on its circumference outer wall, two all rotate on fixing base (3) and be equipped with pawl (7), and two pawl (7) and two axis of rotation (5) one-to-one, and pawl (7) and the meshing of atress tooth (6) on corresponding axis of rotation (5), two all be equipped with handrail board (8) on axis of rotation (5).

2. An office chair with adjustable armrests according to claim 1, wherein: annular and non-closed mounting grooves (9) are formed in the outer wall of the rotating shaft (5) along the circumference of the same cross section, and the stress teeth (6) are uniformly and fixedly arranged in the mounting grooves (9).

3. An office chair with adjustable armrests according to claim 2, wherein: the fixing seat (3) is provided with a mounting cavity (10), and the pawl (7) is rotationally arranged in the mounting cavity (10).

4. An office chair with adjustable armrests according to claim 3, wherein: the utility model discloses a fixing base, including fixing base (3), pawl (7), fixing base (3) are close to installation cavity (10) one side is equipped with detachable baffle (12), set firmly elastic component (13) on baffle (12), elastic component (13) and pawl (7) butt.

5. An office chair with adjustable armrests according to claim 3, wherein: the fixed seat (3) is close to one side of the baffle (12) and is provided with a first strip-shaped groove (14), the pawl (7) is provided with a second strip-shaped groove (15), the fixed seat (3) is provided with a deflector rod (16), and the deflector rod (16) penetrates through the first strip-shaped groove (14) and is in sliding connection with the second strip-shaped groove (15).

6. An adjustable armrest office chair according to claim 4, wherein: the two rotating shafts (5) are fixedly provided with connecting arms (17), one sides, far away from the installation cavity (10), of the fixing seats (3) are provided with rotating grooves (11), and the two connecting arms (17) can be in rotary connection with the two rotating grooves (11) in one-to-one correspondence.

7. An adjustable armrest office chair according to claim 6, wherein: the two connecting arms (17) are provided with rotating pieces (18), and the two handrail plates (8) are fixedly arranged on the two rotating pieces (18) in one-to-one correspondence.