CN215131878U - Height-adjustable lifting supporting leg and armrest for chair - Google Patents
Height-adjustable lifting supporting leg and armrest for chair Download PDFInfo
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- CN215131878U CN215131878U CN202121191586.6U CN202121191586U CN215131878U CN 215131878 U CN215131878 U CN 215131878U CN 202121191586 U CN202121191586 U CN 202121191586U CN 215131878 U CN215131878 U CN 215131878U
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- leg
- headstock
- leg body
- handrail
- lead screw
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Abstract
The utility model discloses a highly all can adjust landing leg and handrail for chair of lift, including the headstock, the vertical direction slope is provided with two leg bodies in the headstock, is connected with the flexible actuating mechanism of leg body on the leg body, and the lower extreme of the leg body stretches out from the power box, is provided with handrail lift actuating mechanism between the two leg body tops, and handrail lift actuating mechanism has the pole setting of vertical setting through meshed gear and rack connection, and the headstock is stretched out on the pole setting top, and pole setting top fixedly connected with rather than the vertically handrail body, and the headstock shape is "n" type, and the headstock shape suits with the leg body of slope. The utility model discloses can realize the lift of landing leg and handrail respectively to provide the direction supporting role to the leg body through headstock shape itself, the structure is succinct pleasing to the eye, and the headstock is small, has saved a large amount of spaces of seat lower part, is convenient for place, remove and use.
Description
Technical Field
The utility model belongs to the technical field of medical instrument, a chair landing leg and handrail that all can adjust to go up and down are related to.
Background
No matter the wheelchair or the ordinary seat, the producer designs according to the equal height of people when producing, and the chair product that appears on the market at present is fixed height mostly, can not adjust the height of seat and handrail according to human height, can't satisfy different height people's use needs like this, and some chairs are still though can height-adjusting nevertheless drive structure complicacy, lead to wheelchair structure complicacy, place, remove and use a great deal of inconvenience occasionally.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a height-adjustable lifting leg and handrail for chair, combining this handrail and landing leg together, all can realizing the altitude mixture control.
The utility model provides an adopted technical scheme is, a highly all can adjust landing leg and handrail for chair of lift, including the headstock, vertical direction slope is provided with two leg bodies in the headstock, is connected with the flexible actuating mechanism of leg body on the leg body, and the lower extreme of the leg body stretches out from the power box, is provided with handrail lift actuating mechanism between the two leg body tops, and handrail lift actuating mechanism has the pole setting of vertical setting through meshed gear and rack connection, and the headstock is stretched out on the pole setting top, and pole setting top fixedly connected with rather than the vertically handrail body, and the headstock shape is "n" type, and the headstock shape suits with the leg body of slope.
The utility model is also characterized in that,
the leg body telescopic driving mechanism is one of an oil cylinder, an air cylinder or an electric push rod.
The leg body is the cavity column structure, and leg body telescopic drive mechanism includes screw nut, and screw nut sets up on the inner wall of the leg body, and screw nut's central department coaxial the cup joint has the lead screw, and the one end of lead screw is connected with lead screw drive mechanism.
The screw-driving mechanism being an electric gearbox
The handrail lifting driving mechanism is a motor, the handrail lifting driving mechanism is connected with and drives the gear, the rack is fixedly arranged on one side of the upright rod, and the rack is meshed with the gear.
The beneficial effects of the utility model are that, the utility model relates to a landing leg and handrail for chair that highly all can adjust lift can realize the lift of landing leg and handrail respectively to provide the direction supporting role to the leg body through headstock shape itself, install this device on ordinary seat or wheelchair, the people that can be convenient for different heights adjust the seat height, improve the comfort level of seat, the structure is succinct pleasing to the eye, the headstock is small, has saved a large amount of spaces of seat lower part, is convenient for place, remove and use.
Drawings
FIG. 1 is a schematic structural view of a chair leg and a chair armrest with adjustable height according to the present invention;
FIG. 2 is a cross-sectional view of a chair leg and a chair armrest with adjustable height according to the present invention;
fig. 3 is a partially enlarged schematic view of fig. 2.
In the figure, 9-1 parts of a power box, 9-2 parts of a leg body, 9-3 parts of a handrail lifting driving mechanism, 9-5 parts of a rack, 9-6 parts of a vertical rod, 9-7 parts of a handrail body, 9-8 parts of a lead screw nut, 9-9 parts of a lead screw, 9-10 parts of a lead screw driving mechanism and 9-11 parts of a roller.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
The utility model relates to a chair leg and armrest with adjustable height, which comprises a power box 9-1, two leg bodies 9-2 are obliquely arranged in the power box 9-1 in the vertical direction, a leg body telescopic driving mechanism is connected on the leg body 9-2, the lower end of the leg body 9-2 extends out of the power box 9-1, an armrest lifting driving mechanism 9-3 is arranged between the top ends of the two leg bodies 9-2, the armrest lifting driving mechanism 9-3 is connected with a vertically arranged upright rod 9-6 through a meshed gear and a rack 9-5, the armrest lifting driving mechanism 9-3 is a motor, the gear is connected with the motor, the rack 9-5 is fixedly arranged at one side of the upright rod 9-6, the top end of the upright rod 9-6 extends out of the power box 9-1, and the top end of the upright rod 9-6 is fixedly connected with an armrest body 9-7 vertical to the upright rod 9-6, the power box 9-1 is n-shaped, and the shape of the power box 9-1 is adapted to the inclined leg body 9-2.
The leg body 9-2 is of a hollow structure, the leg body telescopic driving mechanism comprises a lead screw nut 9-8, the lead screw nut 9-8 is arranged on the inner wall of the leg body 9-2, a lead screw 9-9 is coaxially sleeved at the center of the lead screw nut 9-8, one end of the lead screw 9-9 is connected with a lead screw driving mechanism 9-10, and the lead screw driving mechanism 9-10 is an electric gear box.
Or the leg body telescopic driving mechanism is one of an oil cylinder, an air cylinder or an electric push rod.
When in use, the two supporting legs and the armrests for the chair are arranged on the chair or the wheelchair main body in a bilateral symmetry way and are matched for use. When the chair supporting leg and the armrest with adjustable heights work, the screw driving mechanism 9-10, namely the electric gear box, is started to drive the screw 9-9 to rotate, the screw 9-9 is matched with the screw nut 9-8, and the screw nut 9-8 is connected with the inner wall of the leg body 9-2, so that the screw nut 9-8 drives the leg body 9-2 to move up and down along the shape of the power box 9-1, and the height of the leg body 9-2 is adjusted; the handrail lifting driving mechanism 9-3 is started by a motor which drives a gear to rotate, and the gear is meshed with the rack 9-5, so that the rack 9-5 drives the upright rod 9-6 to move up and down, and the height of the handrail body 9-7 is adjusted.
When the utility model is applied to a wheelchair, the bottom parts of the two leg bodies 9-2 are respectively provided with the rollers 9-11; one of the two rollers 9-11 is a power wheel, and the other is a guide wheel.
When will the utility model discloses when using on the wheelchair, the landing leg and the handrail cooperation of using are used to the chair of two sets of symmetries about, realize jointly supporting and adjusting wheelchair or seat panel.
Claims (5)
1. The utility model provides a height all can adjust landing leg and handrail for chair that goes up and down which characterized in that: including the headstock, the slope of vertical direction is provided with two leg bodies in the headstock, is connected with the flexible actuating mechanism of leg body on the leg body, and the lower extreme of the leg body stretches out two from the power box body be provided with handrail lifting drive mechanism between the leg body top, handrail lifting drive mechanism has the pole setting of vertical setting through meshed gear and rack connection, the headstock is stretched out to the pole setting top, just pole setting top fixedly connected with rather than the vertically handrail body, the headstock shape is "n" type, just the headstock shape suits with the leg body of slope.
2. The chair leg and arm rest with adjustable height as claimed in claim 1, wherein: the leg body telescopic driving mechanism is one of an oil cylinder, an air cylinder or an electric push rod.
3. The chair leg and arm rest with adjustable height as claimed in claim 1, wherein: the leg body is hollow structure, the leg body telescopic driving mechanism comprises a lead screw nut, the lead screw nut is arranged on the inner wall of the leg body, a lead screw is coaxially sleeved at the center of the lead screw nut, and one end of the lead screw is connected with a lead screw driving mechanism.
4. A chair leg and arm rest with height adjustable according to claim 3, wherein: the lead screw driving mechanism is an electric gear box.
5. The chair leg and arm rest with adjustable height as claimed in claim 1, wherein: the handrail lifting driving mechanism is a motor, the handrail lifting driving mechanism is connected with and drives the gear, the rack is fixedly arranged on one side of the upright rod, and the rack is meshed with the gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121191586.6U CN215131878U (en) | 2021-05-31 | 2021-05-31 | Height-adjustable lifting supporting leg and armrest for chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121191586.6U CN215131878U (en) | 2021-05-31 | 2021-05-31 | Height-adjustable lifting supporting leg and armrest for chair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215131878U true CN215131878U (en) | 2021-12-14 |
Family
ID=79373941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121191586.6U Active CN215131878U (en) | 2021-05-31 | 2021-05-31 | Height-adjustable lifting supporting leg and armrest for chair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215131878U (en) |
-
2021
- 2021-05-31 CN CN202121191586.6U patent/CN215131878U/en active Active
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