CN218898951U - Chair armrest capable of being adjusted in multiple directions - Google Patents

Chair armrest capable of being adjusted in multiple directions Download PDF

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Publication number
CN218898951U
CN218898951U CN202223295047.4U CN202223295047U CN218898951U CN 218898951 U CN218898951 U CN 218898951U CN 202223295047 U CN202223295047 U CN 202223295047U CN 218898951 U CN218898951 U CN 218898951U
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China
Prior art keywords
armrest
sliding
upper cover
housing
lower cover
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CN202223295047.4U
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Chinese (zh)
Inventor
沈桂成
何东浪
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Guangdong Changyu Office Technology Co ltd
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Guangdong Changyu Office Technology Co ltd
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Abstract

The utility model discloses a multidirectional adjustable chair armrest, which comprises: a handrail outer shell; the armrest lower cover is arranged at the upper end of the armrest shell, and at least one left and right guide sliding holes are formed in the armrest lower cover; the armrest upper cover is movably arranged at the upper end of the armrest lower cover, and at least one front and rear guide sliding hole is formed on the lower surface of the armrest upper cover; the multidirectional adjusting mechanism is arranged between the armrest upper cover and the armrest lower cover and comprises a sliding sheet arranged in the armrest upper cover and at least one connecting column connected with the sliding sheet and sequentially penetrating through the front and rear guide sliding holes and the left and right guide sliding holes from top to bottom. The chair armrest capable of being adjusted in multiple directions can realize the flexible and changeable function of adjusting the positions of the front, back, left, right, angle and height in multiple directions, meets the position requirement of a user on the chair armrest in a larger range, has a smart and simple structure, is convenient to adjust, is convenient to manufacture and assemble, and has low cost.

Description

Chair armrest capable of being adjusted in multiple directions
Technical Field
The utility model relates to a chair armrest, in particular to a chair armrest capable of being adjusted in multiple directions.
Background
To accommodate the needs of different users for the positions of the armrests of chairs, chairs have been developed in the market that allow for the adjustment of the positions of the armrests. However, the adjustment structure employed has the following two disadvantages:
(1) The position of the armrest is mainly adjusted by adjusting the angle and the distance of the armrest support, and the armrest has complex structure, complex assembly and high production cost;
(2) The left-right adjustment and angle rotation adjustment range is very small, the required position cannot be adjusted, the adjustable range is small, the adjustment flexibility is poor, and the front-back and angle adjustment cannot be performed while the left-right adjustment is performed.
Disclosure of Invention
Aiming at the defects, the utility model aims to provide the chair armrest capable of being adjusted in multiple directions, which can realize the function of adjusting the positions of front and back, left and right, angles and heights flexibly and variably, can meet the position requirement of a user on the chair armrest in a larger range, has a smart and simple structure, is convenient to adjust, is convenient to manufacture and assemble, and has low cost.
The technical scheme adopted by the utility model for achieving the purpose is as follows:
a multi-directionally adjustable chair armrest comprising:
a handrail outer shell;
the armrest lower cover is arranged at the upper end of the armrest shell, and at least one left and right guide sliding holes are formed in the armrest lower cover;
the armrest upper cover is movably arranged at the upper end of the armrest lower cover, and at least one front and rear guide sliding hole is formed on the lower surface of the armrest upper cover;
the multidirectional adjusting mechanism is arranged between the armrest upper cover and the armrest lower cover and comprises a sliding sheet arranged in the armrest upper cover and at least one connecting column connected with the sliding sheet and sequentially penetrating through the front and rear guide sliding holes and the left and right guide sliding holes from top to bottom.
As a further improvement of the utility model, the diameters of the connecting posts are respectively smaller than the diameters of the left and right guide sliding holes and the front and rear guide sliding holes.
As a further improvement of the utility model, a connecting block connected with the connecting column is arranged below the armrest lower cover, and at least one arc-shaped sliding lug is arranged on the upper surface of the connecting block; at least one left and right sliding groove area is formed on the lower surface of the armrest lower cover, and a plurality of lower arc-shaped groove positions which are used for embedding arc-shaped sliding convex blocks and sliding left and right are formed on the left and right sliding groove area.
As a further improvement of the utility model, an arc-shaped protruding part is formed on at least one side of the sliding piece; a sliding groove for the sliding piece to slide back and forth is formed in the handrail upper cover, a front and back sliding groove area is formed on at least one inner wall of the sliding groove, and a plurality of side arc-shaped groove positions for the arc-shaped protruding parts to be embedded and slide back and forth are formed on the front and back sliding groove area; the front and rear guide sliding holes are formed in the bottom of the sliding groove.
As a further improvement of the utility model, a spring plate is arranged on the sliding plate, and the connecting column penetrates through the spring plate.
As a further improvement of the utility model, the armrest shell is internally provided with an armrest main body, the multidirectional adjusting mechanism also comprises a height adjusting component arranged between the armrest main body and the armrest shell, the height adjusting component comprises a lifting switch piece rotatably connected with the armrest shell and movably connected with the armrest main body, and a reset spring arranged between the lifting switch piece and the armrest shell, wherein the lifting switch piece comprises an operation lever rotatably arranged on the armrest shell and a lock rod connected with the fulcrum position of the operation lever and extending downwards into the armrest main body, one end of the operation lever is provided with an operation part, and the reset spring is abutted between the other end of the operation lever and the armrest shell.
As a further improvement of the utility model, a clamping block is respectively formed on two opposite side edges of the lower part of the lock rod; a movable cavity for inserting and moving the lock rod is formed in the handrail main body, a movable groove is formed in each of two opposite side walls of the handrail main body, the movable groove is divided into a longitudinal movable area and a longitudinal locking area, and a plurality of side clamping grooves which are longitudinally distributed and used for clamping the clamping blocks are formed in the inner wall of the longitudinal locking area.
As a further improvement of the present utility model, a rotation shaft is provided on both side surfaces of the fulcrum position of the operation lever, respectively, and two rotation grooves into which the rotation shaft is fitted and rotated are formed in the armrest housing.
As a further improvement of the utility model, a limit groove is formed in the armrest shell, a limit sleeve column is formed on the lower end face of the other end of the operation lever, the upper end of the reset spring is sleeved on the periphery of the limit sleeve column, and the lower end of the reset spring is arranged in the limit groove.
As a further improvement of the present utility model, an opening through which the operation portion of the lock lever is passed is formed in the armrest housing.
The beneficial effects of the utility model are as follows:
(1) The multi-directional adjusting mechanism formed by combining the slide plate and the connecting column is additionally arranged and combined with the armrest lower cover with the left and right guide sliding holes and the armrest upper cover with the front and rear guide sliding holes, so that the armrest upper cover can move back and forth and move left and right relative to the armrest lower cover and the armrest shell in the horizontal direction, the aim of adjusting the position of the armrest surface in the front and back and left and right is fulfilled, and the front and back and left and right adjustment can be performed at any position, namely the flexible and changeable multi-directional position adjustment function is realized, the position requirement of a user on the armrest of the chair is met in a larger range, and the adjustable range is large; meanwhile, the structure is ingenious and simple, the adjustment is convenient, the manufacture is facilitated, the assembly is convenient, and the cost is low.
(2) The diameter of the connecting column is set to be smaller than the diameters of the left and right guide sliding holes and the front and rear guide sliding holes respectively, namely, a certain gap exists between the connecting column and the inner walls of the left and right guide sliding holes, and a certain gap also exists between the connecting column and the inner walls of the front and rear guide sliding holes.
(3) Through addding the high adjusting part who takes lifting switch spare and reset spring, can realize that the handrail shell drives the handrail lower cover of upper end and the whole lift operation of doing of handrail upper cover to reach the purpose of handrail face position altitude mixture control, realize nimble changeable vertical position regulation's function, satisfy the user to the not co-altitude requirement of chair handrail in a wider range.
The foregoing is a summary of the utility model and is further defined by the following detailed description of the utility model when read in conjunction with the accompanying drawings.
Drawings
FIG. 1 is an exploded view of a first embodiment;
FIG. 2 is a cross-sectional view of a first embodiment;
FIG. 3 is a schematic view of the external structure of the first embodiment;
FIG. 4 is a schematic view showing a structure in which a slider is disposed in an armrest upper cover in accordance with the first embodiment;
FIG. 5 is a schematic view showing the bottom structure of the combination of the armrest lower cover and the armrest upper cover with the multidirectional adjusting mechanism in the first embodiment;
fig. 6 is a schematic structural diagram of the lifting switch member in the second embodiment disposed in the armrest housing;
FIG. 7 is a schematic view of a height adjustment assembly of the second embodiment disposed between a armrest body and an armrest housing;
fig. 8 is a schematic structural view of the lifting switch member in the second embodiment disposed in the armrest body;
fig. 9 is a schematic structural diagram of a lifting switch member in the second embodiment.
Detailed Description
In order to further describe the technical means and effects adopted by the present utility model for achieving the intended purpose, the following detailed description of the specific embodiments of the present utility model is given with reference to the accompanying drawings and preferred embodiments.
Embodiment one:
referring to fig. 1 to 5, the present embodiment provides a multi-directional adjustable chair armrest, comprising:
a handrail housing 1;
a handrail lower cover 2 provided at an upper end of the handrail housing 1, at least one left and right guide sliding hole 21 being formed on the handrail lower cover 2;
the armrest upper cover 3 is movably arranged at the upper end of the armrest lower cover 2, and at least one front and rear guide sliding hole 31 is formed on the lower surface of the armrest upper cover 3; in the present embodiment, the armrest upper cover 3 mainly comprises a bottom case 33 and an upper case 34 disposed on the bottom case 33, and the front and rear guide sliding holes 31 are formed on the bottom case 33;
a multidirectional adjusting mechanism 4 disposed between the upper handrail cover 3 and the lower handrail cover 2, wherein the multidirectional adjusting mechanism 4 includes a sliding plate 41 disposed in the upper handrail cover 3, and at least one connecting post 42 connected to the sliding plate 41 and penetrating the front and rear guiding sliding holes 31 and the left and right guiding sliding holes 21 sequentially from top to bottom.
Preferably, the number of the connecting posts 42 and the left and right guide slide holes 21 in this embodiment is two.
Through adding the multidirectional adjusting mechanism 4 formed by combining the slide plate 41 and the connecting column 42, the multidirectional adjusting mechanism is combined with the armrest lower cover 2 with the left-right guide sliding holes 21 and the armrest upper cover 3 with the front-rear guide sliding holes 31, and can realize the front-rear movement and the left-right movement of the armrest upper cover 3 relative to the armrest lower cover 2 and the armrest shell 1 in the horizontal direction, so that the aim of adjusting the armrest surface position in the front-rear direction and the left-right direction is fulfilled, namely the flexible and changeable multidirectional position adjusting function is realized, and the position requirement of a user on the chair armrest is met in a larger range.
When the front and rear position adjustment operation is performed, the armrest upper cover 3 is pushed forward, the sliding plate 41 and the connecting column 42 are static, the armrest upper cover 3 slides forward along the whole body of the sliding plate 41 and the connecting column 42 under the cooperation of the front and rear guide sliding holes 31, and correspondingly, when the armrest upper cover 3 slides forward, the connecting column 42 moves relatively in the front and rear guide sliding holes 31; conversely, when the armrest upper cover 3 is pushed backward, the slide plate 41 and the connecting post 42 are stationary, and the armrest upper cover 3 slides backward along the whole of the slide plate 41 and the connecting post 42 under the cooperation of the front and rear guide slide holes 31, and accordingly, when the armrest upper cover 3 slides backward, the connecting post 42 moves relatively in the front and rear guide slide holes 31; therefore, the armrest upper cover 3 moves back and forth relative to the armrest lower cover 2 and the armrest shell 1 in the horizontal direction, and the aim of adjusting the armrest surface position back and forth is fulfilled.
When the left-right position adjustment operation is performed, the armrest upper cover 3 is pushed to the left, and the slider 41 and the connecting column 42 move along with the armrest upper cover 3, so that the connecting column 42 slides to the left along the left-right guide slide hole 21 of the armrest lower cover 2; conversely, when the armrest upper cover 3 is pushed rightward, the slider 41 and the connecting column 42 move with the armrest upper cover 3, so that the connecting column 42 slides rightward along the left and right guide slide holes 21 of the armrest lower cover 2; therefore, the armrest upper cover 3 moves horizontally relative to the armrest lower cover 2 and the armrest housing 1, and the aim of adjusting the armrest surface position horizontally is fulfilled. Meanwhile, the left and right adjustment can be performed at any position for performing the front and rear adjustment of the position of the armrest surface.
In this embodiment, as shown in fig. 2, the diameters of the connecting posts 42 are smaller than the diameters of the left and right guide sliding holes 21 and the front and rear guide sliding holes 31, that is, a certain gap exists between the connecting posts 42 and the inner walls of the left and right guide sliding holes 21, and a certain gap also exists between the connecting posts 42 and the inner walls of the front and rear guide sliding holes 31, so that the armrest upper cover 3 can rotate relative to the armrest lower cover 2 at any position by taking the connecting posts 42 as a rotating shaft, thereby achieving the purpose of adjusting the horizontal angle of the armrest surface. Meanwhile, the horizontal angle can be adjusted at any position for adjusting the position of the armrest surface back and forth or left and right.
In order to improve the hand feeling of the left-right sliding operation, as shown in fig. 1, 2 and 5, a connecting block 43 connected to the connecting post 42 is disposed below the armrest lower cover 2 in the present embodiment, and at least one arc-shaped sliding protrusion 431 is disposed on the upper surface of the connecting block 43, preferably, the arc-shaped sliding protrusion 431 may be a colloidal particle; at least one left and right sliding groove region 22 is formed on the lower surface of the armrest lower cover 2, and a plurality of lower arc-shaped grooves 221 into which arc-shaped sliding protrusions 431 are inserted and slide left and right are formed on the left and right sliding groove region 22. Preferably, the number of the arc sliding protrusions 431 and the number of the left and right sliding grooves 22 are two, and are distributed on both sides of the left and right guiding sliding holes 21. When the armrest upper cover 3 drives the connecting post 42 to slide left and right, the connecting block 43 moves along with the connecting post 42, so that the arc-shaped sliding protruding blocks 431 slide left and right between the plurality of lower arc-shaped groove positions 221 on the left and right sliding groove areas 22, and a paragraph sense can be generated during left and right position adjustment operation.
In order to improve the operation feeling of the sliding in the front-back direction, as shown in fig. 4, an arc-shaped protruding portion 411 is formed on at least one side of the sliding plate 41 in the present embodiment; a sliding groove 32 for sliding the sliding plate 41 back and forth is formed in the armrest upper cover 3, a front and back sliding groove area 321 is formed on at least one inner wall of the sliding groove 32, and a plurality of side arc-shaped groove positions 322 for embedding and sliding the arc-shaped protruding parts 411 back and forth are formed on the front and back sliding groove area 321; the front and rear guide sliding holes 31 are formed at the bottom inside the sliding groove 32. Preferably, in the present embodiment, an arc-shaped protrusion 411 is formed on both sides of the slider 41, and a front and rear sliding groove area 321 is formed on both opposite inner walls of the sliding groove 32, respectively. When the armrest upper cover 3 slides back and forth, the slide plate 41 moves back and forth in the slide groove 32 relative to the armrest upper cover 3, and the arc-shaped protrusions 411 on the side edges of the slide plate 41 slide back and forth between the plurality of side arc-shaped grooves 322 on the front and rear slide groove areas 321, thereby producing a feeling of a paragraph during the front and rear position adjustment operation.
As shown in fig. 2 and 4, a spring 44 is disposed on the slider 41, and the connecting post 42 penetrates the spring 44. The spring piece 44 is used for pressing the sliding piece 41, so that the shaking sense between the armrest upper cover 3 and the armrest lower cover 2 is reduced.
In this embodiment, the connecting post 42 may be a bolt structure, as shown in fig. 1, and corresponding shims 421 and nuts 422 may be added to implement the installation and fixation of the bolt.
Embodiment two:
the main difference between the present embodiment and the first embodiment is that, as shown in fig. 6 to 9, the present embodiment is provided with a handrail main body 5 in the handrail housing 1, the multi-directional adjusting mechanism 4 further includes a height adjusting assembly 45 disposed between the handrail main body 5 and the handrail housing 1, the height adjusting assembly 45 includes a lifting switch member 451 rotatably connected to the handrail housing 1 and movably connected to the handrail main body 5, and a return spring 452 disposed between the lifting switch member 451 and the handrail housing 1, wherein the lifting switch member 451 includes an operation lever 4511 rotatably disposed on the handrail housing 1, and a lock lever 4512 connected to a fulcrum position of the operation lever 4511 and extending downward into the handrail main body 5, one end of the operation lever 4511 has an operation portion 45111, and the return spring 452 abuts between the other end of the operation lever 4511 and the handrail housing 1.
Meanwhile, as shown in fig. 8 and 9, a clamping block 45121 is respectively formed on two opposite sides of the lower portion of the locking lever 4512; a movable cavity 51 is formed in the armrest body 5 for inserting and moving the lock lever 4512, a movable slot 52 is formed on each of two opposite side walls of the armrest body 5, the movable slot 52 is divided into a longitudinal movable area 521 and a longitudinal locking area 522, and a plurality of side clamping grooves 5221 are formed on the inner wall of the longitudinal locking area 522 and are longitudinally distributed for clamping the clamping blocks 45121.
When the height is required to be adjusted upwards, the operating part 45111 of the operating lever 4511 is pressed upwards, the operating part 45111 swings upwards, and the other end of the operating lever 4511 swings downwards to compress the return spring 452 according to the lever principle; at this time, since the operation lever 4511 is rotated, the lock lever 4512 swings with the swing in the swing chamber 51, and accordingly, the latch block 45121 on the side of the lock lever 4512 swings from the side latch groove 5221 into the longitudinal swing area 521, and at this time, the lock on the latch block 45121 is released; then, the armrest housing 1 is pulled upward to a desired height, and the height adjusting assembly 45 is moved upward simultaneously, so that the latch block 45121 on the side of the latch lever 4512 is moved upward in the longitudinal movable region 521; then, the pressing operation of the operation portion 45111 of the operation lever 4511 is released, the other end of the operation lever 4511 is pushed to swing upwards under the elastic restoring force of the restoring spring 452, so that the lifting switch member 451 is integrally restored, the locking lever 4512 drives the clamping blocks 45121 on the side to swing reversely, and the clamping blocks 45121 enter the corresponding side clamping grooves 5221 of the longitudinal locking region 522, thereby realizing the re-locking of the clamping blocks 45121 and completing the operation of adjusting the height upwards.
When the height is required to be adjusted downwards, the operating part 45111 of the operating lever 4511 is pressed upwards, the operating part 45111 swings upwards, and the other end of the operating lever 4511 swings downwards to compress the return spring 452 according to the lever principle; at this time, since the operation lever 4511 is rotated, the lock lever 4512 swings with the swing in the swing chamber 51, and accordingly, the latch block 45121 on the side of the lock lever 4512 swings from the side latch groove 5221 into the longitudinal swing area 521, and at this time, the lock on the latch block 45121 is released; then, the armrest housing 1 is pushed down to a desired height, and the height adjusting assembly 45 is moved down synchronously, so that the clamping block 45121 on the side of the locking lever 4512 moves down in the longitudinal movable region 521; then, the pressing operation of the operation portion 45111 of the operation lever 4511 is released, the other end of the operation lever 4511 is pushed to swing upwards under the elastic restoring force of the restoring spring 452, so that the lifting switch member 451 is integrally restored, the locking lever 4512 drives the clamping blocks 45121 on the side to swing reversely, and the clamping blocks 45121 enter the corresponding side clamping grooves 5221 of the longitudinal locking region 522, thereby realizing the re-locking of the clamping blocks 45121 and completing the downward height adjustment operation.
Therefore, in this embodiment, by adding the height adjusting assembly 45 with the lifting switch member 451 and the return spring 452, the lifting operation of the armrest lower cover 2 and the armrest upper cover 3 at the upper end driven by the armrest housing 1 can be achieved, so as to achieve the purpose of height adjustment of the armrest surface position, achieve the flexible and changeable function of adjusting the longitudinal position, and meet the different height demands of the user on the armrest of the chair in a larger range.
In order to enable the operation lever 4511 to perform a stable swinging motion, as shown in fig. 6, 8 and 9, in the present embodiment, a rotation shaft 45112 is provided on each of both side surfaces of the fulcrum position of the operation lever 4511, and two rotation grooves 11 into which the rotation shaft 45112 is fitted and rotated are formed in the armrest housing 1. When the operation portion 45111 of the operation lever 4511 is pressed, the operation lever 4511 can perform a stable swinging motion along the rotation shaft 45112.
For installation of the return spring 452, as shown in fig. 7, in this embodiment, a limiting groove 12 is formed in the armrest housing 1, a limiting sleeve 45113 is formed on the lower end surface of the other end of the operating lever 4511, the upper end of the return spring 452 is sleeved on the periphery of the limiting sleeve 45113, and the lower end is disposed in the limiting groove 12. The limiting groove 12 is combined with the limiting sleeve column 45113 to limit the reset spring 452, so that the reset spring 452 can stably elastically deform and can play a stable reset function.
In order to facilitate the pressing of the operation portion 45111 of the operation lever 4511, as shown in fig. 7, the present embodiment forms an opening 13 in the armrest housing 1 through which the operation portion 45111 of the lock lever 4512 passes.
Meanwhile, at least one elastic sheet 6 is wrapped on the periphery of the armrest main body 5, and the elastic sheet 6 is positioned between the armrest main body 5 and the armrest shell 1. By additionally arranging the elastic sheet 6 between the armrest main body 5 and the armrest shell 1, the tightness between the armrest main body 5 and the armrest shell 1 can be controlled during assembly, and the phenomena of loosening, collapsing, shaking and the like among components can not occur.
The foregoing is merely a preferred embodiment of the present utility model, and the technical scope of the present utility model is not limited to the above embodiments, so that other structures using the same or similar technical features as those of the above embodiments of the present utility model are all within the scope of the present utility model.

Claims (10)

1. A multi-directionally adjustable chair armrest comprising:
a handrail outer shell;
the armrest lower cover is arranged at the upper end of the armrest shell, and at least one left and right guide sliding holes are formed in the armrest lower cover;
the armrest upper cover is movably arranged at the upper end of the armrest lower cover, and at least one front and rear guide sliding hole is formed on the lower surface of the armrest upper cover;
the multidirectional adjusting mechanism is arranged between the armrest upper cover and the armrest lower cover and comprises a sliding sheet arranged in the armrest upper cover and at least one connecting column connected with the sliding sheet and sequentially penetrating through the front and rear guide sliding holes and the left and right guide sliding holes from top to bottom.
2. The multi-directional adjustable chair armrest according to claim 1, wherein the diameter of the connecting post is smaller than the diameters of the left and right guide slide holes and the front and rear guide slide holes, respectively.
3. The multi-directional adjustable chair armrest according to claim 1, wherein a connection block connected to the connection post is provided under the armrest lower cover, and at least one arc-shaped sliding projection is provided on the upper surface of the connection block; at least one left and right sliding groove area is formed on the lower surface of the armrest lower cover, and a plurality of lower arc-shaped groove positions which are used for embedding arc-shaped sliding convex blocks and sliding left and right are formed on the left and right sliding groove area.
4. The multi-directional adjustable chair armrest according to claim 1, wherein an arcuate projection is formed on at least one side of the slider; a sliding groove for the sliding piece to slide back and forth is formed in the handrail upper cover, a front and back sliding groove area is formed on at least one inner wall of the sliding groove, and a plurality of side arc-shaped groove positions for the arc-shaped protruding parts to be embedded and slide back and forth are formed on the front and back sliding groove area; the front and rear guide sliding holes are formed in the bottom of the sliding groove.
5. The multi-directional adjustable chair armrest according to claim 1, wherein a spring is provided on the slider, and the connecting post extends through the spring.
6. The multi-directional adjustable chair armrest according to any one of claims 1-5, wherein an armrest body is disposed within the armrest housing, the multi-directional adjustment mechanism further comprises a height adjustment assembly disposed between the armrest body and the armrest housing, the height adjustment assembly comprising a lifting switch rotatably coupled to the armrest housing and movably coupled to the armrest body, and a return spring disposed between the lifting switch and the armrest housing, wherein the lifting switch comprises an operating lever rotatably disposed on the armrest housing, and a lock lever coupled to a fulcrum position of the operating lever and extending downward into the armrest body, the operating lever having an operating portion at one end thereof, the return spring abutting between the other end of the operating lever and the armrest housing.
7. The multi-directional adjustable chair armrest according to claim 6, wherein a latch is formed at opposite sides of the lower portion of the latch; a movable cavity for inserting and moving the lock rod is formed in the handrail main body, a movable groove is formed in each of two opposite side walls of the handrail main body, the movable groove is divided into a longitudinal movable area and a longitudinal locking area, and a plurality of side clamping grooves which are longitudinally distributed and used for clamping the clamping blocks are formed in the inner wall of the longitudinal locking area.
8. The multi-directional adjustable chair armrest according to claim 6, wherein a rotation shaft is provided on both side surfaces of the fulcrum position of the operation lever, respectively, and two rotation grooves into which the rotation shaft is inserted and rotated are formed in the armrest housing.
9. The multi-directional adjustable chair armrest according to claim 6, wherein a limit groove is formed in the armrest housing, a limit sleeve is formed on the lower end surface of the other end of the operating lever, the upper end of the return spring is sleeved on the periphery of the limit sleeve, and the lower end of the return spring is arranged in the limit groove.
10. The multi-directional adjustable chair armrest according to claim 6, wherein an opening through which the operating portion of the lock lever is passed is formed in the armrest housing.
CN202223295047.4U 2022-12-07 2022-12-07 Chair armrest capable of being adjusted in multiple directions Active CN218898951U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202223295047.4U CN218898951U (en) 2022-12-07 2022-12-07 Chair armrest capable of being adjusted in multiple directions

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202223295047.4U CN218898951U (en) 2022-12-07 2022-12-07 Chair armrest capable of being adjusted in multiple directions

Publications (1)

Publication Number Publication Date
CN218898951U true CN218898951U (en) 2023-04-25

Family

ID=86042114

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202223295047.4U Active CN218898951U (en) 2022-12-07 2022-12-07 Chair armrest capable of being adjusted in multiple directions

Country Status (1)

Country Link
CN (1) CN218898951U (en)

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