CN201389138Y - Stair-climbing wheelchair - Google Patents
Stair-climbing wheelchair Download PDFInfo
- Publication number
- CN201389138Y CN201389138Y CN200920089741U CN200920089741U CN201389138Y CN 201389138 Y CN201389138 Y CN 201389138Y CN 200920089741 U CN200920089741 U CN 200920089741U CN 200920089741 U CN200920089741 U CN 200920089741U CN 201389138 Y CN201389138 Y CN 201389138Y
- Authority
- CN
- China
- Prior art keywords
- guide rail
- branching rod
- movable branching
- supporting rod
- movable supporting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model relates to a stair-climbing wheelchair, comprising handle rods, guide rails and sliding wheels, wherein the guide rail is fixedly connected with the handle rod; the sliding wheel is arranged on the guide rail; an upper movable supporting rod is fixedly connected with a sliding wheel shaft in the sliding wheel and is fixedly provided with a handle; the other end of the upper movable supporting rod is welded with an upper fixed shaft; an upper chain wheel is rotatably connected with the upper fixed shaft; a fixed plate is rotatably connected with the upper fixed shaft; a connecting part is fixedly connected between the fixed plate and a lower movable supporting rod; the lower movable supporting rod is fixedly provided with a lower fixed shaft which is rotatably connected with a lower chain wheel; the other end of the lower movable supporting rod is rotatably connected with the guide rail; the connecting end of the lower movable supporting rod and the guide rail is provided with a tension spring; and a track is assembled between the two chain wheels. A cavity of the upper part of the connecting part is internally provided with a pin which is fixed with a spring; and the spring is pressed with a sliding rod which is fixedly connected with the fixed plate. The stair-climbing wheelchair has simple structure and convenient use and can go upstairs and downstairs easily.
Description
Technical field:
This utility model relates to wheelchair, particularly a kind of stair-climbing wheel chair.
Background technology:
When the wheelchair that uses is gone downstairs on they need now, the people who takes wheelchair will leave wheelchair, and then wheelchair is carried upstairs, and such carrying just brings a lot of inconvenience to user, when using the upper and lower building of wheelchair, just seem bothersome, require great effort, reduced the service efficiency of wheelchair.
Summary of the invention:
The purpose of this utility model is a kind of stair-climbing wheel chair easily of going up downstairs of design.The technical solution of the utility model is, a kind of stair-climbing wheel chair, it comprises handlebar stem, guide rail, pulley, it is characterized in that: guide rail is fixedlyed connected with handlebar stem, pulley is contained on the guide rail, last movable branching rod is fixedlyed connected with the pulley spindle in the pulley, is installed with handle on the last movable branching rod, and the other end of last movable branching rod is welded with fixed axis, upper sprocket wheel and last fixed axis are rotationally connected, fixing head and last fixed axis are rotationally connected, and are fixedly connected with a connector between fixing head and the following movable branching rod, are installed with down fixed axis on the following movable branching rod, following fixed axis and lower sprocket are rotationally connected, the following movable branching rod other end and guide rail are rotationally connected, and the link of infra movable branching rod and guide rail is equipped with tension spring, are equipped with crawler belt between two sprocket wheels.In the chamber of the first half of connector pin is housed, is fixed with spring on the pin, be pressed with sliding bar on the spring, sliding bar is fixedlyed connected with fixing head.Of the present utility model simple in structure, wheelchair can be gone up downstairs very easily, and is easy to use.
Description of drawings:
Fig. 1 is the structural representation that this utility model is climbed the building device, and Fig. 2 is Fig. 1 right side view, and Fig. 3 is a structural representation of the present utility model.
The specific embodiment:
Describe embodiment in conjunction with the accompanying drawings in detail, this utility model, it comprises handlebar stem 1, guide rail 2, pulley 14, guide rail is fixedlyed connected with handlebar stem, pulley is contained on the guide rail, last movable branching rod 3 is fixedlyed connected with the pulley spindle 18 in the pulley, and handle 15 is installed on the last movable branching rod, and the other end of last movable branching rod is welded with fixed axis 16, upper sprocket wheel 4 is rotationally connected with last fixed axis, fixing head 5 is rotationally connected with last fixed axis, is fixedly connected with a connector 9 between fixing head and the following movable branching rod 12, is installed with down fixed axis 17 on the following movable branching rod, following fixed axis and lower sprocket 11 are rotationally connected, the following movable branching rod other end and guide rail are rotationally connected, and the link of infra movable branching rod and guide rail is equipped with between 13, two sprocket wheels of tension spring and is equipped with crawler belt 10.Pin 8 is housed in the chamber of the first half of connector, is fixed with spring 7 on the pin, be pressed with sliding bar 6 on the spring, sliding bar is fixedlyed connected with fixing head.But a this utility model also side of infra fixed axis is equipped with accumulator, micromachine or torque dupler.Trailing wheel 19 of the present utility model also can be to be fixedly mounted on the trailing wheel slide block 20, and the trailing wheel slide block is assemblied on the trailing wheel guide rail 21, and trailing wheel can be with the moving of slide block like this, and move forward and backward along car body.Handlebar stem of the present utility model can be arranged to sleeve structure, can shrink elongation.This utility model is when needs are climbed the building like this, and the trailing wheel of wheelchair is moved to the front-wheel direction, and user is held handlebar stem, and then with crawler belt face contact stair, drags wheelchair and climbs and go upstairs, and is very convenient.When last downstairs finish using after; pack up handlebar stem; again handle is spurred downwards along guide rail; go up then movable branching rod move downward drive upper sprocket wheel and fixing head close to guide rail; following movable branching rod makes whole climbing device to be taken in the containment vessel by the pulling of the pulling force of tension spring, the trailing wheel of wheelchair is moved backward adjust to suitable position at last; do not influence the use of wheelchair on the level land, do not influence the attractive in appearance of wheelchair yet.This utility model is simple in structure, easy to use, can go up downstairs easily.
Claims (2)
1, a kind of stair-climbing wheel chair, it comprises handlebar stem, guide rail, pulley, it is characterized in that: guide rail is fixedlyed connected with handlebar stem, pulley is contained on the guide rail, last movable branching rod is fixedlyed connected with the pulley spindle in the pulley, be installed with handle on the last movable branching rod, the other end of last movable branching rod is welded with fixed axis, and upper sprocket wheel and last fixed axis are rotationally connected, and fixing head and last fixed axis are rotationally connected, in the middle of fixing head and the following movable branching rod connector is arranged, be installed with down fixed axis on the following movable branching rod, following fixed axis and lower sprocket are rotationally connected, and the following movable branching rod other end and guide rail are rotationally connected, the link of infra movable branching rod and guide rail is equipped with tension spring, is equipped with crawler belt between two sprocket wheels.
2, a kind of stair-climbing wheel chair as claimed in claim 1 is characterized in that: in the chamber of the first half of connector pin is housed, is fixed with spring on the pin, be pressed with sliding bar on the spring, sliding bar is fixedlyed connected with fixing head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920089741U CN201389138Y (en) | 2009-04-13 | 2009-04-13 | Stair-climbing wheelchair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920089741U CN201389138Y (en) | 2009-04-13 | 2009-04-13 | Stair-climbing wheelchair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201389138Y true CN201389138Y (en) | 2010-01-27 |
Family
ID=41595953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920089741U Expired - Lifetime CN201389138Y (en) | 2009-04-13 | 2009-04-13 | Stair-climbing wheelchair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201389138Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101530365B (en) * | 2009-04-13 | 2010-12-29 | 王鹏顺 | Stair-climbing wheelchair |
| CN102973372A (en) * | 2012-11-30 | 2013-03-20 | 东华大学 | Upstairs and downstairs going device of wheel chair |
| CN103895706A (en) * | 2014-04-21 | 2014-07-02 | 北京北消防冻技术有限公司 | Double-wheel touch locking type turning advancing mechanism and firefighting moped with same |
-
2009
- 2009-04-13 CN CN200920089741U patent/CN201389138Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101530365B (en) * | 2009-04-13 | 2010-12-29 | 王鹏顺 | Stair-climbing wheelchair |
| CN102973372A (en) * | 2012-11-30 | 2013-03-20 | 东华大学 | Upstairs and downstairs going device of wheel chair |
| CN103895706A (en) * | 2014-04-21 | 2014-07-02 | 北京北消防冻技术有限公司 | Double-wheel touch locking type turning advancing mechanism and firefighting moped with same |
| CN103895706B (en) * | 2014-04-21 | 2016-04-27 | 北京北消防冻技术有限公司 | Two-wheel latch formula turning walking mechanism and use the fire-fighting boosted vehicle of this mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20100127 Effective date of abandoning: 20090413 |