CN205964326U - Stairs -climbing wheel chair - Google Patents
Stairs -climbing wheel chair Download PDFInfo
- Publication number
- CN205964326U CN205964326U CN201620717231.9U CN201620717231U CN205964326U CN 205964326 U CN205964326 U CN 205964326U CN 201620717231 U CN201620717231 U CN 201620717231U CN 205964326 U CN205964326 U CN 205964326U
- Authority
- CN
- China
- Prior art keywords
- bracing frame
- wheel
- connecting rod
- wheelchair
- stair climbing
- 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 - Fee Related
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Abstract
The utility model discloses a stairs -climbing wheel chair, including the wheelchair body, install the support frame on the wheelchair body, the bottom both sides of support frame all are equipped with parallelogram mechanism, and parallelogram mechanism is including being parallel to each other and two isometric cranks, and two articulate one end is equipped with the connecting rod on all being fixed in the support frame through the pivot between two articulate other ends, and the connecting rod is articulated with the crank, and the bottom surface of connecting rod is equipped with the skid resistant course, is equipped with drive arrangement on the support frame, and totally four pivots are rotatory by the drive arrangement drive in the both sides of support frame. The utility model discloses the support frame that sets up can be connected the ordinary wheelchair of being convenient for with ordinary wheelchair and upgrade, parallelogram mechanism is by drive arrangement drive operation one -period, can make the wheelchair main part step that rises or descend, the circulation operation of parallelogram mechanism to make the wheelchair main part realize going upstairs or going downstairs, this equipment structure is simple, and the security performance is high, low in manufacturing cost.
Description
Technical field
This utility model belongs to wheelchair field, particularly to a kind of stair climbing wheelchair that can be used for stair activity.
Background technology
Wheelchair is the important tool of rehabilitation, and it is not only limbs the disabled and the walking-replacing tool of handicapped personage, heavier
Want is so that them is carried out physical exercise by means of wheelchair and participate in social activity.Common wheelchair typically by wheelchair frame, wheel, stop
Car device and seat against four parts composition.Hand wheelchair, on the basis of common wheelchair, increases manual setter.
At present, traditional wheelchair does not all possess the ability of stair climbing and leaping over obstacles, and wheelchair user's warp in life
It is commonly encountered the situation needing stair climbing, and existing stair climbing wheelchair, mostly adopt track-mounted structure, complex structure, high cost
High, all every more than 20,000 yuan, have is even up to seven to eight ten thousand yuan every to its cost, and most of wheelchair user is difficult to hold
Load.
Content of the invention
For overcoming the problem of the deficiencies in the prior art and presence, this utility model provides a kind of stair climbing wheelchair, structure letter
Single, low cost of manufacture, trusted using safety.
This utility model is achieved through the following technical solutions：
A kind of stair climbing wheelchair, including wheelchair body, described wheelchair body is provided with bracing frame, the bottom two of bracing frame
Side is equipped with parallel-crank mechanism, and parallel-crank mechanism includes being parallel to each other and isometric two cranks, two cranks
One end is all fixed on bracing frame by rotating shaft, is provided with connecting rod between the other end of two cranks, and connecting rod is hinged with crank,
The bottom surface of connecting rod is provided with skid resistant course, and bracing frame is provided with driving means, and totally four rotating shafts are filled by driving for the both sides of bracing frame
Put driving rotation.
Described driving means include actuating unit and four rotating wheels, and four rotating wheels are located in four rotating shafts respectively, turn
Driving wheel is provided with Timing Belt tooth or sprocket, is connected with Timing Belt or driving-chain on bracing frame between two rotating wheels of homonymy
Connect, and the homogeneous rotating wheel in both sides of bracing frame is connected with actuating unit.
Described actuating unit includes interconnective drive motor and worm type of reduction gearing, worm type of reduction gearing defeated
The two ends of shaft extend respectively to the both sides of bracing frame, and the two ends of the output shaft of worm type of reduction gearing are equipped with output wheel,
Output wheel is provided with Timing Belt tooth or sprocket, is connected by Timing Belt or driving-chain between output wheel and rotating wheel.
Described skid resistant course is offset plate, and offset plate is provided with anti-slop serrations.
The top surface of described connecting rod is provided with hinged seat, and it is hinged with connecting rod that crank passes through hinged seat.
The front end both sides of described wheelchair body are equipped with rod assemblies.
Described rod assemblies include damping telescopic bar and support wheel, and support wheel is located at the bottom of damping telescopic bar.
The bracing frame of this utility model setting can be connected with common wheelchair is easy to common wheelchair upgrading；Parallelogram machine
Structure drives operating a cycle by driving means, and wheelchair main body can be made to rise or fall a step, parallel-crank mechanism
Cycle operation, so that wheelchair main body is realized going upstairs or going downstairs, this device structure is simple, and security performance is high, is manufactured into
This is low.
Brief description
Fig. 1 is structural representation of the present utility model；
Fig. 2 is overlooking the structure diagram of the present utility model；
Fig. 3 is the structural representation of parallel-crank mechanism and driving means in this utility model.
In figure：1- wheelchair main body, 2- bracing frame, 3- parallel-crank mechanism, 31- crank, 32- connecting rod, 321- is hinged
Seat, 33- skid resistant course, 34- rotating shaft, 4- driving means, 41- rotating wheel, 42- actuating unit, 421- drive motor, 422- worm gear snail
Bar decelerator, 423- output wheel, 5- rod assemblies, 51- damping telescopic bar, 52- support wheel, 6- stair.
Specific embodiment
For the ease of the understanding of those skilled in the art, below in conjunction with the drawings and specific embodiments this utility model is made into
One step describes in detail.
As shown in Figure 1, Figure 2 and Figure 3, a kind of stair climbing wheelchair, including wheelchair body 1, wheelchair body 1 is provided with support
Frame 2, the two bottom sides of bracing frame 2 are equipped with parallel-crank mechanism 3.Parallel-crank mechanism 3 includes being parallel to each other and isometric
Two cranks 31, one end of two cranks 31 is all fixed on bracing frame 2 by rotating shaft 34, and rotating shaft 34 rotarily drives crank 31
Rotate around the shaft.It is provided with connecting rod 32, connecting rod 32 is hinged with crank 31 between the other end of two cranks 31.For ease of installing
Use, the top surface of connecting rod 32 is provided with hinged seat 321, it is hinged with connecting rod 32 that crank 31 passes through hinged seat 321.Connecting rod 32
Bottom surface is provided with skid resistant course 33, it is preferable that skid resistant course 33 is offset plate, offset plate is provided with anti-slop serrations, is easy to promptly stair.Bracing frame 2
It is provided with driving means 4, totally four rotating shafts 34 drive rotation by driving means for the both sides of bracing frame 2.
Driving means 4 include actuating unit 42 and four rotating wheels 41, and four rotating wheels 41 are located at four rotating shafts 34 respectively
On, rotating wheel 41 is provided with Timing Belt tooth or sprocket, with Timing Belt between two rotating wheels 41 of homonymy on bracing frame 2
Or driving-chain connects, and the homogeneous rotating wheel in both sides 41 of bracing frame 2 is connected with actuating unit 42.Homonymy on bracing frame 2
Two rotating wheels 41 realize synchronous axial system by Timing Belt or driving-chain, so that rotating shaft 34 synchronous axial system.Actuating unit 42
Including interconnective drive motor 421 and worm type of reduction gearing 422, the two ends of the output shaft of worm type of reduction gearing 422
Extend respectively to the both sides of bracing frame 2, and the two ends of the output shaft of worm type of reduction gearing 422 are equipped with output wheel 423, output
Wheel 423 is provided with Timing Belt tooth or sprocket, is connected by Timing Belt or driving-chain between output wheel 423 and rotating wheel 41.Snail
In worm and gear decelerator 422 can only worm drive turbine, self-locking performance is strong, prevents from reversing, safer reliability.
The front end both sides of wheelchair body 1 are equipped with rod assemblies 5.Rod assemblies 5 include damping telescopic bar 51 and prop up
Support wheel 52, support wheel 52 is located at the bottom of damping telescopic bar 51.Damping telescopic bar 51 can be according to actually used situation adjustment length.
The work process of the present embodiment：During stair climbing, skid resistant course 33 is butted on the wedge angle of stair, the bull wheel of wheelchair body 1
It is butted on respectively on different step surfaces with support wheel 52, driving means 4 drive shaft 34 rotates, thus driving crank 31 to rotate,
Connecting rod 32 is driven and rises or falls a segment distance, and rotating shaft 34 continues rotation, and wheelchair body 1 is lifted by support and rises or falls one
Individual step, rotating shaft 34 rotation is turned around, and wheelchair body 1 rises or falls a step, so circulates work, thus on realizing downstairs
Ladder.
Above-described embodiment is preferably implementation of the present utility model, is not to restriction of the present utility model, not
On the premise of departing from inventive concept of the present utility model, any obvious replace all protection domain of the present utility model it
Interior.
Claims (7)
1. a kind of stair climbing wheelchair, including wheelchair body（1）It is characterised in that：On described wheelchair body, bracing frame is installed
（2）, the two bottom sides of bracing frame are equipped with parallel-crank mechanism（3）, parallel-crank mechanism includes being parallel to each other and isometric
Two cranks（31）, one end of two cranks is all by rotating shaft（34）Be fixed on bracing frame, the other end of two cranks it
Between be provided with connecting rod（32）, connecting rod is hinged with crank, and the bottom surface of connecting rod is provided with skid resistant course（33）, bracing frame is provided with driving
Device（4）, totally four rotating shafts drive rotation by driving means for the both sides of bracing frame.
2. stair climbing wheelchair according to claim 1 it is characterised in that：Described driving means（4）Including actuating unit
（42）With four rotating wheels（41）, respectively in four rotating shafts, rotating wheel is provided with Timing Belt tooth or sprocket wheel to four rotating wheels
Tooth, is connected with Timing Belt or driving-chain between two rotating wheels of homonymy on bracing frame, and homogeneous turn of the both sides of bracing frame
Driving wheel is connected with actuating unit.
3. stair climbing wheelchair according to claim 2 it is characterised in that：Described actuating unit（42）Including interconnective
Drive motor（421）And worm type of reduction gearing（422）, the two ends of the output shaft of worm type of reduction gearing extend respectively to support
The both sides of frame, and the two ends of the output shaft of worm type of reduction gearing are equipped with output wheel（423）, output wheel is provided with Timing Belt tooth
Or sprocket, it is connected by Timing Belt or driving-chain between output wheel and rotating wheel.
4. stair climbing wheelchair according to claim 3 it is characterised in that：Described skid resistant course（33）For offset plate, offset plate sets
There are anti-slop serrations.
5. stair climbing wheelchair according to claim 4 it is characterised in that：Described connecting rod（32）Top surface be provided with hinged seat
（321）, it is hinged with connecting rod that crank passes through hinged seat.
6. the stair climbing wheelchair according to any one of claim 1-5 it is characterised in that：Described wheelchair body（1）Before
End both sides are equipped with rod assemblies（5）.
7. stair climbing wheelchair according to claim 6 it is characterised in that：Described rod assemblies（5）Including damping telescopic
Bar（51）And support wheel（52）, support wheel is positioned at the bottom of damping telescopic bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620717231.9U CN205964326U (en) | 2016-07-08 | 2016-07-08 | Stairs -climbing wheel chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620717231.9U CN205964326U (en) | 2016-07-08 | 2016-07-08 | Stairs -climbing wheel chair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205964326U true CN205964326U (en) | 2017-02-22 |
Family
ID=58023139
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620717231.9U Expired - Fee Related CN205964326U (en) | 2016-07-08 | 2016-07-08 | Stairs -climbing wheel chair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205964326U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107095769A (en) * | 2017-05-17 | 2017-08-29 | 上海理工大学 | Stair climbing type multifunctional rehabilitation instrument |
| CN107458497A (en) * | 2017-09-18 | 2017-12-12 | 邓航 | Jumping vehicle |
| CN110448416A (en) * | 2019-09-07 | 2019-11-15 | 张小娥 | One kind is medical to may span across obstacle wheelchair |
| CN113975004A (en) * | 2021-09-13 | 2022-01-28 | 东北大学 | Alternate stepping stair climbing device |
-
2016
- 2016-07-08 CN CN201620717231.9U patent/CN205964326U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107095769A (en) * | 2017-05-17 | 2017-08-29 | 上海理工大学 | Stair climbing type multifunctional rehabilitation instrument |
| CN107458497A (en) * | 2017-09-18 | 2017-12-12 | 邓航 | Jumping vehicle |
| CN110448416A (en) * | 2019-09-07 | 2019-11-15 | 张小娥 | One kind is medical to may span across obstacle wheelchair |
| CN113975004A (en) * | 2021-09-13 | 2022-01-28 | 东北大学 | Alternate stepping stair climbing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170222 Termination date: 20180708 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |