CN220236466U

CN220236466U - Adjustable armrest

Info

Publication number: CN220236466U
Application number: CN202321572135.6U
Authority: CN
Inventors: 张泽楠
Original assignee: Anji Ouchuang Furniture Co ltd
Current assignee: Anji Ouchuang Furniture Co ltd
Priority date: 2023-06-20
Filing date: 2023-06-20
Publication date: 2023-12-26
Anticipated expiration: 2033-06-20

Abstract

The utility model provides an adjustable handrail for can not adjust according to the angle of user's arm when the handrail of the prior art who mentions among the solution background art kneels the chair, because of individual difference exists when different user uses, and then every user's arm is placed the angle and is all non-unifying, thereby can't be according to the angle of user's regulation handrail, reduces the technical problem who uses experience, including mounting and slip lifting part of wearing to establish in the mounting, the lifting part top is equipped with the handrail board, be equipped with the rotating assembly who is used for rotating the handrail board on the lifting part, be equipped with the lifting assembly who is used for adjusting lifting part sliding distance in the mounting.

Description

Adjustable armrest

Technical Field

The utility model relates to the technical field of seat processing, in particular to an adjustable armrest.

Background

The chair is furniture which is indispensable in daily life work of people, and particularly the chair armrests directly influence the use feeling of a human body.

Armrests of the prior art, such as the one named "CN212698252U" and the one named "a front-rear plug-in armrest", are disclosed in the patent literature, which comprises an armrest assembly comprising an armrest body and a support part for supporting the arm of the human body; the handrail main body comprises a longitudinal upright post and a bearing part formed by bending forwards along the upper end of the upright post, the rear end of the supporting part is fixedly connected with the front end of the bearing part through a screw after being in plug-in fit, and the installation direction of the screw is vertical to the plug-in direction.

Above-mentioned patent document can not adjust according to the angle of user's arm when using the handrail, and different users are used because of individual existence difference, and then every user's arm angle of placing is all non-uniform to can't adjust the angle of handrail according to the user, reduce the use experience.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art, and provides an adjustable armrest, which is used for solving the technical problems that the armrest of a seat in the prior art mentioned in the background art cannot be adjusted according to the angle of arms of users, different users have differences in use due to individuals, and the arm placement angles of all users are not uniform, so that the angle of the armrest cannot be adjusted according to the users, and the use experience is reduced.

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

the utility model provides an adjustable handrail, includes mounting and slides and wears to establish the lifter in the mounting, the lifter top is equipped with the handrail board, be equipped with the rotating assembly who is used for rotating the handrail board on the lifter, be equipped with the lifting unit who is used for adjusting lifter sliding distance in the mounting.

Working principle:

when the user needs to carry out the altitude mixture control to the handrail board, the user passes through the height of lifting unit adjustment lifter to carry out the altitude mixture control to the handrail board through adjusting the height of lifter.

When the user needs to carry out angle modulation to the handrail board, the user carries out angle modulation to the handrail board through rotating assembly to make the angle that the handrail board adaptation user person's arm was placed, thereby improve user's travelling comfort.

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

first, be equipped with lifting unit, lifting unit can highly be adjusted to the lifter to carry out the regulation on the height to the handrail board through the regulation to the lifter, thereby make different user's personnel obtain good use and experience.

And the second arm rest is provided with a rotating assembly, and the angle of the arm rest plate can be adjusted by the rotating assembly, so that the angle of the arm rest plate for placing a person is adapted to the angle of the arm rest.

Drawings

FIG. 1 is a schematic cross-sectional view of an embodiment of the present utility model;

fig. 2 is an enlarged schematic cross-sectional view of the structure of the present utility model at a.

Reference numerals illustrate: the lifting device comprises a fixing piece 1, a lifting piece 2, a handrail plate 3, a fixing ring 4, a ratchet wheel 5, a fixing block 6, a pawl 7, a supporting column 8, a pin shaft 9, a spring 10, a first rack 11, a turbine 12, a supporting piece 13, a worm 14, a hand lever 15, a sliding groove 16, a sliding plate 17, a mounting cavity 18, a second rack 19, a rotating rod 20, a gear 21 and a connecting rod 22.

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, an adjustable handrail comprises a fixing piece 1 and a lifting piece 2 which is slidably arranged in the fixing piece 1 in a penetrating manner, wherein a handrail plate 3 is arranged at the top of the lifting piece 2, a rotating component for rotating the handrail plate 3 is arranged on the lifting piece 2, and a lifting component for adjusting the sliding distance of the lifting piece 2 is arranged in the fixing piece 1.

As shown in fig. 1 and 2, the rotating assembly comprises a hollow fixing ring 4, a ratchet wheel 5, a connecting rod 22, a fixing block 6 and a pawl 7, wherein the fixing ring 4 is fixedly arranged at the top of the lifting piece 2, the ratchet wheel 5 is rotationally arranged in the fixing ring 4, the connecting rod 22 is fixedly arranged at the top of the ratchet wheel 5 and fixedly connected with the handrail plate 3, the fixing block 6 is fixedly arranged on the inner wall of the fixing ring 4, and the pawl 7 is rotationally arranged on the fixing block 6 and meshed with the ratchet wheel 5. As shown in fig. 2, the fixing block 6 is fixedly provided with a support column 8, the pawl 7 is fixedly provided with a pin 9, and a spring 10 is arranged between the support column 8 and the pin 9.

When the angle of the handrail plate 3 needs to be adjusted by a user, the handrail plate 3 is held by the user and is rotated by the user, the handrail plate 3 rotates to drive the connecting rod 22 to move, the connecting rod 22 moves to drive the ratchet wheel 5 to rotate, the pawl 7 is clamped at the tooth root of the ratchet wheel 5 again when the ratchet wheel 5 rotates, the spring 10 can pull the pawl 7 back to the tooth root of the ratchet wheel 5 again when the pawl 7 rotates, and then the rotating angle is positioned, so that the user can rotate the handrail plate 3 through the cooperation of the ratchet wheel 5 and the pawl 7, and the handrail plate 3 is more attached to the arm angle of the user.

As shown in fig. 1, the lifting assembly comprises a first rack 11 and a turbine 12, the first rack 11 is fixedly arranged on the lifting member 2, the turbine 12 is rotationally arranged in the fixing member 1 and is meshed with the first rack 11, a mounting shaft is fixedly arranged on the turbine 12 in a penetrating manner, the mounting shaft is coaxial with the turbine 12, two ends of the mounting shaft are respectively arranged on the inner wall of the fixing member 1 in a penetrating manner and can rotate relative to the inner wall of the fixing member 1, as shown in fig. 1, a supporting frame is fixedly arranged in the fixing member 1, a worm 14 is rotationally arranged in the supporting frame, two ends of the worm 14 are rotationally arranged in the supporting frame in a penetrating manner, the worm 14 is meshed with the turbine 12, as shown in fig. 1, a hand rocker 15 is fixedly arranged on the worm 14, and the hand rocker 15 rotationally penetrates through the fixing member 1 to extend outwards of the fixing member 1.

When the user needs to carry out the regulation of height to lifting part 2, use the person to rotate hand rocker 15, hand rocker 15 rotates and drives worm 14 rotation, and worm 14 rotates and drives turbine 12 rotation, and turbine 12 rotates and drives first rack 11 and remove to the user can carry out the regulation of height to lifting part 2, can fix a position after lifting part 2 height-adjusting through the cooperation of worm 14 and turbine 12.

As shown in fig. 1, a chute 16 is formed in the handrail plate 3, a sliding plate 17 is slidably arranged on the chute 16, as shown in fig. 1, an installation cavity 18 is formed in the sliding plate 17, a second rack 19 arranged along the length direction is fixedly arranged in the installation cavity 18, a rotating rod 20 penetrating into the installation cavity 18 is arranged on the handrail plate 3, a strip hole is formed in the bottom of the sliding plate 17, the rotating rod 20 penetrates through the strip hole to extend into the installation cavity 18, the strip hole can slide relative to the rotating rod 20, a gear 21 is fixedly arranged on the rotating rod 20, and the gear 21 is meshed with the second rack 19.

When the user needs to adjust the sliding plate 17 forwards and backwards, the user rotates the rotating rod 20, the rotating rod 20 rotates to drive the gear 21 to rotate, the gear 21 rotates to drive the second rack 19 to move, and the second rack 19 moves to drive the sliding plate 17 to slide in the sliding groove 16 of the armrest plate 3, so that the front and back positions of the sliding plate 17 are changed, and the arm placing of different users is facilitated.

Working principle:

When the user needs to carry out the regulation of height to lifting part 2, use the person to rotate hand rocker 15, hand rocker 15 rotates and drives worm 14 rotation, and worm 14 rotates and drives turbine 12 rotation, and turbine 12 rotates and drives first rack 11 and remove to the user can carry out the regulation of height to lifting part 2, can fix a position after lifting part 2 height-adjusting through the cooperation of worm 14 and turbine.

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 adjustable handrail, its characterized in that includes mounting (1) and slides and wear to establish lifting unit (2) in mounting (1), lifting unit (2) top is equipped with handrail board (3), be equipped with the rotating assembly who is used for rotating handrail board (3) on lifting unit (2), be equipped with the lifting unit who is used for adjusting lifting unit (2) sliding distance in mounting (1), rotating assembly includes hollow solid fixed ring (4), ratchet (5), connecting rod (22), fixed block (6) and pawl (7), gu fixed ring (4) set firmly in lifting unit (2) top, gu fixed ring (4) internal rotation is equipped with ratchet (5), connecting rod (22) set firmly in ratchet (5) top and connecting rod (22) and handrail board (3) fixed connection, fixed block (6) set firmly on fixed ring (4) inner wall, pawl (7) rotate and locate on fixed block (6) and pawl (7) and ratchet (5) meshing.

2. An adjustable armrest as set forth in claim 1, wherein: the fixed block (6) is fixedly provided with a support column (8), the pawl (7) is fixedly provided with a pin shaft (9), and a spring (10) is arranged between the support column (8) and the pin shaft (9).

3. An adjustable armrest as set forth in claim 1, wherein: the lifting assembly comprises a first rack (11) and a turbine (12), the first rack (11) is fixedly arranged on the lifting piece (2), the turbine (12) is rotatably arranged in the fixing piece (1), and the turbine (12) is meshed with the first rack (11).

4. An adjustable armrest according to claim 3, wherein: the support frame is fixedly arranged in the fixing piece (1), the worm (14) is rotatably arranged in the support frame, and the worm (14) is meshed with the turbine (12).

5. An adjustable armrest as set forth in claim 4, wherein: the worm (14) is fixedly provided with a hand rocker (15), and the hand rocker (15) rotatably penetrates through the fixing piece (1) and extends out of the fixing piece (1).

6. An adjustable armrest as set forth in claim 1, wherein: a chute (16) is formed in the handrail plate (3), and a sliding plate (17) is arranged on the chute (16) in a sliding manner.

7. An adjustable armrest as set forth in claim 6, wherein: the utility model discloses a handrail, including installation cavity (18) has been seted up in sliding plate (17), second rack (19) that set up along length direction have been set firmly in installation cavity (18), be equipped with on handrail board (3) and run through dwang (20) in installation cavity (18), it has rectangular hole to open to sliding plate (17) bottom, dwang (20) pass rectangular hole stretch into in installation cavity (18), and rectangular hole can be relative dwang (20) are slided, gear (21) have been set firmly on dwang (20), gear (21) and second rack (19) intermeshing.