CN214905271U - Handrail structure of office chair - Google Patents
Handrail structure of office chair Download PDFInfo
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- CN214905271U CN214905271U CN202120729334.8U CN202120729334U CN214905271U CN 214905271 U CN214905271 U CN 214905271U CN 202120729334 U CN202120729334 U CN 202120729334U CN 214905271 U CN214905271 U CN 214905271U
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- armrest
- lift
- handrail
- arc
- office chair
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Abstract
The utility model belongs to the technical field of chair armrests, in particular to an office chair armrest structure, which comprises two armrest bases, wherein the two armrest bases are fixedly connected with each other through a connecting plate, a driving bin is fixedly arranged on the lower surface of the connecting plate, and the side surface of the driving bin is fixedly communicated with the side surface of the armrest base; the inside of arm-chair base is provided with lift seat armrest device, lift armrest device goes up and down to the handrail. This official working armrest structure, through setting up lift armrest device, drive arcuation rack along the slide upwards sliding by lifting gear, the arcuation rack can drive lift seat and lift handrail together rise when rising, and final lift seat can be a state of being close to erectting with lift handrail for sit the state that stands and slowly become the state of standing from the state of sitting, the effectual technical problem who solves current armrest and can not solve old person's difficulty of standing up.
Description
Technical Field
The utility model relates to a armrest technical field especially relates to an official working armrest structure.
Background
In the prior art, the chair armrests of the traditional office chair are basically fixed in height, because the office chair mainly aims at the client group, young people and older old people also work in the office at that time, and the old people cannot stand up immediately when sitting for a long time or easily dizzy when standing up due to the decline of body organs. But do not specifically design a seat armrest belonging to them for their physical condition.
SUMMERY OF THE UTILITY MODEL
Based on current armrest can not solve the technical problem of old person's difficulty of getting up, the utility model provides an official working armrest structure.
The utility model provides an office chair armrest structure, which comprises two armrest bases, wherein a seat between the two armrest bases is fixedly connected through a connecting plate, a driving bin is fixedly arranged on the lower surface of the connecting plate, and the side surface of the driving bin is fixedly communicated with the side surface of the armrest base;
the inside of arm-chair base is provided with lift seat armrest device, lift armrest device goes up and down to the handrail.
Preferably, the inner wall of the handrail base is provided with a slide way, the inner wall of the slide way is provided with a ball, and the slide way is arc-shaped;
through the technical scheme, the slide way and the arc-shaped rack are both arc-shaped and have the same radian, so that the arc-shaped rack can slide towards the designated radian along the slide way, and the balls can reduce the friction force between the slide way and the arc-shaped rack, so that the slide of the slide way is smoother.
Preferably, the lifting seat armrest device comprises a lifting armrest, a connecting block, a supporting column and a lifting seat plate, wherein the connecting block is fixedly arranged on two sides of the lifting seat plate in a symmetrical distribution manner, the supporting column is fixedly arranged on the upper surface of the connecting block, and the lifting armrest is fixedly arranged on the upper surface of the supporting column;
through the technical scheme, when the connecting block is lifted by the arc-shaped rack, the lifting seat plate and the lifting handrail which are connected with the connecting block are lifted together, and a person sitting on the lifting seat plate can change from a sitting posture to a standing posture.
Preferably, the lifting chair armrest device further comprises a transmission rotating shaft and a lifting gear, the transmission rotating shaft is fixedly installed on the inner side wall of the armrest base, and the surface of the transmission rotating shaft is rotatably sleeved with the lifting gear;
through the technical scheme, the lifting gear rotates forwards and backwards on the transmission rotating shaft, and can drive the arc-shaped rack meshed with the lifting gear to ascend and descend.
Preferably, the lifting armrest device further comprises an arc-shaped rack, the surface of the arc-shaped rack is slidably connected with the ball on the inner wall of the slide way, the radian of the arc-shaped rack is the same as that of the slide way, and the lifting gear is meshed with the arc-shaped rack;
through above-mentioned technical scheme, the lifting gear rotates and drives the arcuation rack and slide along the inner wall of slide.
Preferably, the lifting armrest device further comprises a motor, a main driving wheel, an auxiliary driving wheel and a transmission belt, the motor is fixedly installed on the inner side wall of the driving bin, an output shaft of the motor is fixedly sleeved with the main driving wheel, the auxiliary driving wheel is fixedly installed on the surface of one side of the lifting gear, and the main driving wheel is in transmission connection with the auxiliary driving wheel through the transmission belt;
through above-mentioned technical scheme, the motor rotates and drives the main drive and rotates, and the main drive wheel passes through the drive belt and drives the rotation of accessory drive wheel, and the accessory drive wheel rotates and drives the lifting gear and rotate.
Preferably, the lower surface of the connecting block is fixedly connected with the upper surface of the arc-shaped rack;
through the technical scheme, the arc-shaped rack is lifted and lowered to drive the lifting handrail and the lifting seat to lift together.
The utility model provides a beneficial effect does:
through setting up lift armrest device, drive arcuation rack along the slide upwards sliding by the lifting gear, arcuation rack can drive lift seat and lift handrail together rise when rising, and finally lift seat can be close the state of erectting with lift handrail for sit upright person slowly becomes the state of standing from the state of sitting, and the effectual technical problem who solves current armrest and can not solve old person's difficulty of standing up has been solved.
Drawings
Fig. 1 is a schematic view of an armrest structure of an office chair according to the present invention;
fig. 2 is an exploded view of an armrest base structure of an armrest structure of an office chair according to the present invention;
fig. 3 is a perspective view of an armrest slide structure of an armrest structure of an office chair according to the present invention;
fig. 4 is a perspective view of an arc-shaped rack structure of an armrest structure of an office chair according to the present invention.
In the figure: 1. a handrail base; 11. a connecting plate; 12. a driving bin; 2. a slideway; 21. a ball bearing; 3. lifting the armrest; 31. connecting blocks; 32. a support pillar; 33. lifting the seat plate; 4. a transmission rotating shaft; 41. a lifting gear; 5. an arc-shaped rack; 6. a motor; 61. a main transmission wheel; 62. an auxiliary transmission wheel; 63. a transmission belt.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-4, an office chair armrest structure comprises two armrest bases 1, the two armrest bases 1 are fixedly connected through a connecting plate 11, a driving bin 12 is fixedly mounted on the lower surface of the connecting plate 11, and the side surface of the driving bin 12 is fixedly communicated with the side surface of the armrest base 1;
the inside of the arm-chair base is provided with a lifting arm rest device, and the lifting arm rest 3 device lifts the arm rest.
Further, the lifting seat armrest device comprises a lifting armrest 3, a connecting block 31, a supporting column 32 and a lifting seat plate 33, wherein the connecting block 31 is fixedly arranged on two sides of the lifting seat plate 33 in a symmetrical distribution manner, the supporting column 32 is fixedly arranged on the upper surface of the connecting block 31, and the lifting armrest 3 is fixedly arranged on the upper surface of the supporting column 32;
when the link block 31 is raised by the arc-shaped rack 5, the liftable seat plate 33 connected to the link block 31 and the liftable armrest 3 are also raised together, and a person sitting thereon is also changed from a sitting posture to a standing posture.
Furthermore, the lifting chair armrest device also comprises a transmission rotating shaft 4 and a lifting gear 41, wherein the transmission rotating shaft 4 is fixedly arranged on the inner side wall of the armrest base 1, and the surface of the transmission rotating shaft 4 is rotatably sleeved with the lifting gear 41;
the lifting gear 41 rotates forwards and backwards on the transmission rotating shaft 4 to drive the arc-shaped rack 5 meshed with the lifting gear to ascend and descend.
Furthermore, the lifting chair armrest device also comprises an arc-shaped rack 5, the surface of the arc-shaped rack 5 is connected with the ball 21 on the inner wall of the slide way 2 in a sliding way, the radian of the arc-shaped rack 5 is the same as that of the slide way 2, and a lifting gear 41 is meshed with the arc-shaped rack 5;
the lifting gear 41 rotates to drive the arc-shaped rack 5 to slide along the inner wall of the slideway 2.
Further, the lifting armrest device of the seat further comprises a motor 6, a main driving wheel 61, an auxiliary driving wheel 62 and a transmission belt 63, wherein the motor 6 is fixedly installed on the inner side wall of the driving bin 12, an output shaft of the motor 6 is fixedly sleeved with the main driving wheel 61, the auxiliary driving wheel 62 is fixedly installed on the surface of one side of the lifting gear 41, and the main driving wheel 61 and the auxiliary driving wheel 62 are in transmission connection through the transmission belt 63;
the motor 6 rotates to drive the main transmission wheel to rotate, the main transmission wheel 61 drives the auxiliary transmission wheel 62 to rotate through the transmission belt 63, and the auxiliary transmission wheel 62 rotates to drive the lifting gear 41 to rotate.
Further, the lower surface of the connecting block 31 is fixedly connected with the upper surface of the arc-shaped rack 5;
the arc-shaped rack 5 is lifted to drive the lifting handrail 3 and the lifting seat to lift together.
Through setting up lift armrest device, drive arcuation rack 5 by lifting gear 41 and upwards slide along slide 2, arcuation rack 5 can drive lift seat and lift handrail 3 together to rise when rising, and finally lift seat and lift handrail 3 can be a state of being close to erectting for sit upright person slowly become the state of standing from the state of sitting, the effectual technical problem who solves the old person difficulty of getting up of current armrest.
Further, a slide way 2 is arranged on the inner wall of the handrail base 1, balls 21 are arranged on the inner wall of the slide way 2, and the slide way 2 is arc-shaped;
the slide way 2 and the arc-shaped rack 5 are both arc-shaped and have the same radian, so that the arc-shaped rack 5 can slide along the slide way 2 towards a specified radian, and the balls 21 can reduce the friction force between the slide way 2 and the arc-shaped rack 5, so that the slide is smoother.
The working principle is as follows: when the user needs to get up, the motor 6 is started, the motor 6 rotates to drive the main driving wheel 61 to rotate, the main driving wheel 61 drives the auxiliary driving wheel 62 to rotate through the driving belt 63, the auxiliary driving wheel 62 rotates to drive the lifting gear 41 to rotate, the lifting gear 41 drives the arc-shaped rack 5 to slide upwards along the slide way 2, the arc-shaped rack 5 drives the connecting block 31 to ascend together when ascending, meanwhile, the lifting seat and the lifting handrail 3 ascend together, and the lifting seat and the lifting handrail 3 ascend with a certain radian because the arc-shaped rack 5 ascends with a certain radian along the slide way 2, finally, the lifting seat and the lifting handrail 3 are in a state close to being erected, so that the sitting person slowly changes from a sitting state to a standing state.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. The utility model provides an office chair handrail structure, includes two handrail bases (1), its characterized in that: the two handrail bases (1) are fixedly connected through a connecting plate (11), a driving bin (12) is fixedly mounted on the lower surface of the connecting plate (11), and the side surface of the driving bin (12) is fixedly communicated with the side surface of the handrail base (1);
the inside of handrail base is provided with lift seat armrest device, lift handrail (3) device goes up and down to the handrail.
2. An office chair armrest structure according to claim 1, wherein: the inner wall of handrail base (1) is provided with slide (2), the inner wall of slide (2) is provided with ball (21), slide (2) are the arc form.
3. An office chair armrest structure according to claim 2, wherein: the lift seat armrest device comprises a lift armrest (3), a connecting block (31), a supporting column (32) and a lift seat plate (33), wherein the two sides of the lift seat plate (33) are symmetrically distributed and fixedly mounted with the connecting block (31), the upper surface of the connecting block (31) is fixedly mounted with the supporting column (32), and the upper surface of the supporting column (32) is fixedly mounted with the lift armrest (3).
4. An office chair armrest structure according to claim 3, wherein: the lifting seat armrest device further comprises a transmission rotating shaft (4) and a lifting gear (41), wherein the transmission rotating shaft (4) is fixedly installed on the inner side wall of the armrest base (1), and the surface of the transmission rotating shaft (4) is rotatably sleeved with the lifting gear (41).
5. An office chair armrest structure according to claim 4, wherein: the lifting seat armrest device further comprises an arc-shaped rack (5), the surface of the arc-shaped rack (5) is connected with the balls (21) on the inner wall of the slide way (2) in a sliding mode, the radian of the arc-shaped rack (5) is identical to that of the slide way (2), and the lifting gear (41) is meshed with the arc-shaped rack (5).
6. An office chair armrest structure according to claim 5, wherein: the lifting seat armrest device further comprises a motor (6), a main driving wheel (61), an auxiliary driving wheel (62) and a driving belt (63), wherein the motor (6) is fixedly installed on the inner side wall of the driving bin (12), an output shaft of the motor (6) is fixedly sleeved with the main driving wheel (61), the auxiliary driving wheel (62) is fixedly installed on one side surface of the lifting gear (41), and the main driving wheel (61) and the auxiliary driving wheel (62) are in transmission connection through the driving belt (63).
7. An office chair armrest structure according to claim 5, wherein: the lower surface of the connecting block (31) is fixedly connected with the upper surface of the arc-shaped rack (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120729334.8U CN214905271U (en) | 2021-04-12 | 2021-04-12 | Handrail structure of office chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120729334.8U CN214905271U (en) | 2021-04-12 | 2021-04-12 | Handrail structure of office chair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214905271U true CN214905271U (en) | 2021-11-30 |
Family
ID=79044861
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120729334.8U Active CN214905271U (en) | 2021-04-12 | 2021-04-12 | Handrail structure of office chair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214905271U (en) |
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2021
- 2021-04-12 CN CN202120729334.8U patent/CN214905271U/en active Active
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