CN205569201U - Cross -country electronic wheelchair - Google Patents
Cross -country electronic wheelchair Download PDFInfo
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- CN205569201U CN205569201U CN201620123436.4U CN201620123436U CN205569201U CN 205569201 U CN205569201 U CN 205569201U CN 201620123436 U CN201620123436 U CN 201620123436U CN 205569201 U CN205569201 U CN 205569201U
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- wheelchair
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Abstract
The utility model discloses a cross -country electronic wheelchair, a serial communication port, including wheelchair frame (1), four feet of wheelchair frame (1) and the four corners fixed connection of wheelchair chassis (5), the middle symmetry formula of front end and rear end of wheelchair chassis (5) is provided with fixing base (12), two all be provided with the first through -hole that is used for passing two at least round pin axles (14) on fixing base (12), both ends are all passed through about fixing base (12) round pin axle (14) rotates with rotation seat (26) to be connected, be provided with the second through -hole that is used for passing graphite bushing (25) on the rotation seat (26), be provided with on graphite bushing (25) and be used for passing the third through -hole of round pin axle (14). The utility model provides a pair of cross -country electronic wheelchair adopts four wheel drive, climbs the ability reinforce that the obstacle was got over to the step, and the shock attenuation is effectual, guarantees all the time that the four -wheel lands, the phenomenon of skidding or even turn on one's side can not appear, and factor of safety is high.
Description
Technical field
This utility model relates to a kind of cross-country electric wheelchair, particularly relates to a kind of employing four-wheel drive, and the ability climbing step obstacle-overpass is strong, and good damping effect is always ensured that the cross-country electric wheelchair that four-wheel lands.
Background technology
Wheelchair is old people and the widely used walking-replacing tool of people with disability, and along with being on the rise of Chinese population aging, increasing electric wheelchair is widely used.But, existing electric wheelchair many employings rear wheel drive, a pair universal wheel auxiliary supports the most respectively, and therefore grade climbing performance and obstacle performance are poor, it is impossible to adapt to complex road condition.And rear-guard electric wheelchair radius of turn is excessive, high to using space requirement, have a strong impact on the range of electric wheelchair.Currently also occurring in that some use the electric wheelchair of four-wheel drive, but driving wheel is all connected with vehicle frame, when ground injustice, arises that the phenomenon that three wheels land, electric wheelchair there will be the phenomenon even turned on one's side of skidding, and there is potential safety hazard.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of employing four-wheel drive, and the ability climbing step obstacle-overpass is strong, and good damping effect is always ensured that four-wheel lands, and does not haves phenomenon of even turning on one's side of skidding, the cross-country electric wheelchair that safety coefficient is high.
For solving above-mentioned technical problem, the technical solution adopted in the utility model is:
A kind of cross-country electric wheelchair, it is characterized in that, including wheelchair frame, four feet of described wheelchair frame are connected with the Corner Strapped on wheelchair chassis, centre position, the front-end and back-end symmetrical expression on described wheelchair chassis is provided with fixing seat, the first through hole being provided with on seat for through at least two bearing pin is fixed described in two, the two ends, left and right of described fixing seat are all rotationally connected with rotation seat by described bearing pin, it is provided with for the second through hole through graphite bushing on described rotation seat, it is provided with on described graphite bushing for the third through-hole through described bearing pin, described rotation seat is connected with the inner of electric machine support, the wheel shaft of driving wheel is connected with the driving means being arranged on described electric machine support behind the outer end of described electric machine support；The upper surface of described electric machine support is fixedly installed shock absorber support, described shock absorber support includes being positioned at two first shock absorber supports of described wheelchair chassis front end and being positioned at two second shock absorber supports of the described wheelchair extreme end of chassis, it is flexibly connected by forerunner's amortisseur between first shock absorber support described in two, described second shock absorber support is all flexibly connected with vibration damping mounting by rear-guard amortisseur, and described vibration damping mounting fixes the surface of the described fixing seat being connected and being arranged at rear end with described wheelchair frame.
Described driving means includes that reductor and motor, described driving wheel are connected with described reductor, and described reductor is connected with described motor.
Described forerunner's amortisseur and rear-guard amortisseur all include spring.
The two ends of described spring are all rotationally connected with described shock absorber support or vibration damping mounting.
Described being rotationally connected includes utilizing pin to connect.
Described reductor includes planet-gear speed reducer；Motor includes DC servo motor.
Described fixing seat includes the base plate being fixedly connected with described wheelchair chassis and two risers being parallel to each other being arranged on described base plate, riser described in two all with described driving wheel move towards perpendicular setting；The opposite position of riser described in two is provided with described first through hole；Described in two, the hole between riser is used for stretching into described rotation seat.
The both sides, middle part on described wheelchair chassis are provided with battery electric control gear, and described battery electric control gear is electrically connected with described driving means.
The number of described first through hole is two and is horizontally disposed with mutually.
It is strong that this utility model provides a kind of climbing obstacle climbing ability, and radius of turn is little, the cross-country electric wheelchair that complex road condition adaptability is good.
Being provided with the design of driving means on each electric machine support, making this utility model is four-wheel drive, and its front wheels and rear wheels all uses the solid rubber wheel that diameter is more than 30cm, and driving force is higher, has higher climbing capacity, and maximum ramp angle is more than 30 degree；Simultaneously because employing four-wheel drive, can be little around wheelchair zero turn radius, radius of turn, take activity space little.
This utility model devises suspension arrangement between front driving wheel and wheelchair chassis and (is positioned at the fixing seat of front end, bearing pin, rotation seat, rotation seat is connected with the inner of electric machine support, the wheel shaft of driving wheel is connected with the driving means being arranged on described electric machine support behind the outer end of described electric machine support, the combination of the first shock absorber support and forerunner's amortisseur arranges and is suspension arrangement), two front driving wheels rotate around middle two bearing pins as seesaw, when road surface occurs the most at ordinary times, two front driving wheels can recumbently, vehicle body can be made again to be maintained at the state of a relative level, there is certain ability climbing step obstacle-overpass, simple in construction, safe and reliable.
This utility model devises damping device between rear drive sprocket with wheelchair chassis, and (be positioned at the fixing seat of rear end, bearing pin, rotation seat, rotation seat are connected with the inner of electric machine support, the wheel shaft of driving wheel is connected with the driving means being arranged on described electric machine support behind the outer end of described electric machine support, second shock absorber support, rear-guard amortisseur are damping device with the combination setting of vibration damping mounting), make wheel can rotate around bearing pin the most at ordinary times on ground, absorb the impact energy on road surface, effectively alleviate the vibration of wheelchair, it is ensured that the comfortableness of people.
The design of this utility model structure is simple, it is extensive, safe and reliable to be suitable for road surface, can be widely used at the environment that road conditions are poor especially as a kind of cross-country electric wheelchair, to handicapped aged or disabled carry out open air play park go sightseeing provide the most convenient.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structural representation on wheelchair chassis in this utility model；
Fig. 3 is the structural representation of driving means in this utility model；
Fig. 4 is the structural representation fixing seat in this utility model.
Detailed description of the invention
Below in conjunction with the accompanying drawings this utility model is further described.
As shown in Figure 1 to 4, this utility model provides a kind of cross-country electric wheelchair, including wheelchair frame 1, forerunner's suspension arrangement 2, rear-guard damping device 3, battery electric control gear 4 and wheelchair chassis 5, described wheelchair frame 1 is connected with described wheelchair chassis 5, described battery electric control gear 4 is fixed on the both sides, middle part on described wheelchair chassis 5, of the present utility model being characterised by uses four-wheel drive, and described forerunner's suspension arrangement 2 and rear-guard damping device 3 are rotationally connected with the front and back on described wheelchair chassis 5 respectively.
Described forerunner's suspension arrangement 2 includes fixing seat 12, forerunner's amortisseur 13, at least two bearing pin 14, and at least two driving means 6；Described driving means 6 is rotationally connected with the both sides of described fixing seat 12 by described bearing pin 14；Described fixing seat 12 is connected and the anteriomedial on described wheelchair chassis 5；The two ends of described forerunner's amortisseur 13 first shock absorber support described with two respectively is rotatably connected.
Described rear-guard damping device 3 includes fixing seat 12, vibration damping mounting 16, at least two bearing pin 14, two driving means 6 and two rear-guard amortisseurs 15, described vibration damping mounting 16 and described fixing seat 12 relative spacing arrange and fix (surface of described fixing seat 12 that i.e. vibration damping mounting 16 is arranged at rear end), described driving means 6 is rotationally connected with the both sides of described fixing seat 12 by described bearing pin 14, and described fixing seat 12 is fixed in the middle of the rear portion on described wheelchair chassis 5.The two ends of each rear-guard amortisseur 15 are rotatably connected with described second shock absorber support and described vibration damping mounting 16 respectively.
Described driving means 6 includes driving wheel 21, the planet-gear speed reducer 23 being connected with described driving wheel 21, and the DC servo motor 24 being connected with described planet-gear speed reducer 23, and described planet-gear speed reducer 23 is connected on electric machine support 22.
Described driving means 6 also includes rotation seat 26, graphite bushing 25, and described rotation seat 26 is fixed on the front end of described electric machine support 22, by described graphite bushing 25 and described rotation seat 26, is rotationally connected with described fixing seat 12.
Described driving means 6 also includes that shock absorber support 11, described shock absorber support 11 are fixed on above described electric machine support 22, and particular location size is determined with size by forerunner's amortisseur 13 and rear-guard amortisseur 15 arrangement form；Described forerunner's amortisseur 13 and rear-guard amortisseur 15 are all rotatably connected with described shock absorber support 11.
Described vibration damping mounting 16 is connected with described wheelchair frame 1.
The above is only preferred implementation of the present utility model; it is noted that, for those skilled in the art; on the premise of without departing from this utility model principle, it is also possible to make some improvements and modifications, these improvements and modifications also should be regarded as protection domain of the present utility model.
Claims (9)
- null1. a cross-country electric wheelchair，It is characterized in that，Including wheelchair frame (1)，Four feet of described wheelchair frame (1) are connected with the Corner Strapped of wheelchair chassis (5)，Centre position, the front-end and back-end symmetrical expression of described wheelchair chassis (5) is provided with fixing seat (12)，Fix described in two and be provided with for the first through hole through at least two bearing pin (14) on seat (12)，The two ends, left and right of described fixing seat (12) are all rotationally connected with rotation seat (26) by described bearing pin (14)，It is provided with for the second through hole through graphite bushing (25) on described rotation seat (26)，Described graphite bushing is provided with for the third through-hole through described bearing pin (14) on (25)，Described rotation seat (26) is connected with the inner of electric machine support (22)，The wheel shaft of driving wheel (21) is connected with the driving means (6) being arranged on described electric machine support (22) behind the outer end of described electric machine support (22)；The upper surface of described electric machine support (22) is fixedly installed shock absorber support (11), described shock absorber support (11) includes being positioned at two first shock absorber supports of described wheelchair chassis (5) front end and being positioned at two second shock absorber supports of described wheelchair chassis (5) rear end, it is flexibly connected by forerunner's amortisseur (13) between first shock absorber support described in two, described second shock absorber support is all flexibly connected with vibration damping mounting (16) by rear-guard amortisseur (15), described vibration damping mounting (16) fixes the surface of the described fixing seat (12) being connected and being arranged at rear end with described wheelchair frame (1).
- A kind of cross-country electric wheelchair the most according to claim 1, it is characterized in that: described driving means (6) includes reductor (23) and motor (24), described driving wheel (21) is connected with described reductor (23), and described reductor (23) is connected with described motor (24).
- A kind of cross-country electric wheelchair the most according to claim 1, it is characterised in that: described forerunner's amortisseur (13) and rear-guard amortisseur (15) all include spring.
- A kind of cross-country electric wheelchair the most according to claim 3, it is characterised in that: the two ends of described spring are all rotationally connected with described shock absorber support (11) or vibration damping mounting (16).
- A kind of cross-country electric wheelchair the most according to claim 4, it is characterised in that be rotationally connected described in: and include utilizing pin to connect.
- A kind of cross-country electric wheelchair the most according to claim 2, it is characterised in that: described reductor (23) includes planet-gear speed reducer；Motor (24) includes DC servo motor.
- A kind of cross-country electric wheelchair the most according to claim 1, it is characterized in that: described fixing seat (12) includes the base plate being fixedly connected with described wheelchair chassis (5) and two risers being parallel to each other being arranged on described base plate, riser described in two all with described driving wheel (21) move towards perpendicular setting；The opposite position of riser described in two is provided with described first through hole；Described in two, the hole between riser is used for stretching into described rotation seat (26).
- A kind of cross-country electric wheelchair the most according to claim 1, it is characterised in that: the both sides, middle part of described wheelchair chassis (5) are provided with battery electric control gear (4), and described battery electric control gear (4) is electrically connected with described driving means (6).
- A kind of cross-country electric wheelchair the most according to claim 1, it is characterised in that: the number of described first through hole is two and is horizontally disposed with mutually.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620123436.4U CN205569201U (en) | 2016-02-17 | 2016-02-17 | Cross -country electronic wheelchair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620123436.4U CN205569201U (en) | 2016-02-17 | 2016-02-17 | Cross -country electronic wheelchair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205569201U true CN205569201U (en) | 2016-09-14 |
Family
ID=56870456
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620123436.4U Active CN205569201U (en) | 2016-02-17 | 2016-02-17 | Cross -country electronic wheelchair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205569201U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107049623A (en) * | 2017-06-28 | 2017-08-18 | 姜盼盼 | A kind of new Medical wheelchair |
| CN108904157A (en) * | 2018-06-20 | 2018-11-30 | 潍坊学院 | A kind of wheelchair and its application method with the cleaning function that blocks and go to the toilet |
| CN109248032A (en) * | 2018-08-21 | 2019-01-22 | 芜湖职业技术学院 | Disabled person's scenic region navigation goes sight-seeing wheelchair |
| WO2022095677A1 (en) * | 2020-11-09 | 2022-05-12 | 深圳市迈康信医用机器人有限公司 | Self-service displacement robot |
-
2016
- 2016-02-17 CN CN201620123436.4U patent/CN205569201U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107049623A (en) * | 2017-06-28 | 2017-08-18 | 姜盼盼 | A kind of new Medical wheelchair |
| CN108904157A (en) * | 2018-06-20 | 2018-11-30 | 潍坊学院 | A kind of wheelchair and its application method with the cleaning function that blocks and go to the toilet |
| CN109248032A (en) * | 2018-08-21 | 2019-01-22 | 芜湖职业技术学院 | Disabled person's scenic region navigation goes sight-seeing wheelchair |
| WO2022095677A1 (en) * | 2020-11-09 | 2022-05-12 | 深圳市迈康信医用机器人有限公司 | Self-service displacement robot |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |