CN203898575U - Electric wheelchair with double steering devices - Google Patents
Electric wheelchair with double steering devices Download PDFInfo
- Publication number
- CN203898575U CN203898575U CN201420275856.5U CN201420275856U CN203898575U CN 203898575 U CN203898575 U CN 203898575U CN 201420275856 U CN201420275856 U CN 201420275856U CN 203898575 U CN203898575 U CN 203898575U
- Authority
- CN
- China
- Prior art keywords
- turning
- bar
- electric wheelchair
- sprocket wheel
- chair frame
- 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.)
- Withdrawn - After Issue
Links
Landscapes
- Handcart (AREA)
Abstract
The utility model provides an electric wheelchair with double steering devices. The electric wheelchair solves the problem that an existing electric wheelchair only can be controlled to steer in a single mode. The electric wheelchair comprises the hand-operated steering device and the foot-operated steering device. The hand-operated steering device comprises a hand-operated steering box which is arranged on one side of a chair frame of the wheelchair. A foldable handle is arranged in the hand-operated steering box and connected with a steering rod, and a chain wheel is arranged on the steering rod and connected with a chain wheel on a steering rod on the other side of the chair frame through a chain. The foot-operated steering device comprises a steering shaft, a bevel gear and a chain wheel are arranged on the steering shaft, the chain wheel is connected with a chain wheel on a pedal shaft through a chain, and a rotating pedal is arranged at the front end of the pedal shaft. Adaptability of the electric wheelchair is improved.
Description
Technical field
This utility model belongs to wheelchair field, relates in particular to a kind of wheelchair with twin-steer.
Background technology
Along with the trend of domestic aged tendency of population changes, part old people is due to the degeneration of physical function and the reduction of motor function ability, and some physical handicaps persons are due to muscle skeleton hypofunction and motor nerve injury, all a large amount of dependence wheelchairs are realized the function of riding instead of walk.
At present main flow electric wheelchair, can only realize electric wheelchair by front directive wheel and turn to, and for example CN201631517U discloses a kind of double electric pedal wheelchair, and CN102488590A discloses a kind of pedal wheelchair, but they all can only be realized manual control and turn to.This wheelchair uses inconvenient concerning hand impedient people, and requirement wheelchair being turned to for meeting different personages, need to propose a kind of electric wheelchair with two kinds of transfers.
Utility model content
The shortcoming that can only manual turn in order to overcome electric wheelchair, this utility model provides a kind of electric wheelchair with twin-steer, and it not only can be realized manual control and turn to and can also realize foot controlled steering.
The technical solution adopted in the utility model is: a kind of electric wheelchair with twin-steer, it comprises manual transfer and foot control turning device, manual transfer comprises that the manual control of chair frame one side that is arranged on wheelchair turns to box, manual control turn in box, be provided with can be folding handle, handle connects turning-bar, turning-bar bottom is connected with front-wheel, on turning-bar, be also provided with sprocket wheel, sprocket wheel is connected with the sprocket wheel on chair frame opposite side turning-bar by a chain, and the bottom of this opposite side turning-bar is connected with another front-wheel; Foot control turning device comprises and manual control turns to steering spindle box homonymy and that be arranged on chair frame bottom, and steering spindle is provided with conical gear and sprocket wheel, and this sprocket wheel is connected with the sprocket wheel on pedal shaft by a chain, and pedal shaft front end is provided with rotation pedal; On the described turning-bar being connected with handle, be provided with spring, electric magnet and conical gear, this conical gear can slide up and down on this turning-bar, thereby engage or separate with the conical gear in steering spindle, on the handrail of chair frame, being also provided with and turning to switching button, in order to control the power on/off of electric magnet.
Further, described steering spindle rear end is by an opening of bearing connecting tee, two other opening of threeway is connected to respectively base and the chair frame of electric wheelchair by transverse axis and connecting rod, the front end of described steering spindle connects another threeway by bearing, the described turning-bar being connected with handle runs through two other opening of this another threeway, and is rotationally connected by bearing and this another threeway.
Further, on the described turning-bar being connected with handle, be provided with lower convex platform, the lower end of the threeway being connected with steering spindle front end and lower convex platform butt.
Further, the described turning-bar being connected with handle is provided with convex platform, and described spring is installed on convex platform, and spring one end is fixed on the bottom of convex platform, and one end is fixed on the upper end of the conical gear on this turning-bar in addition.
The utlity model has following beneficial effect: to turning to of wheelchair, can select manual control to turn to and can select foot controlled steering, having expanded the suitability of wheelchair.
Brief description of the drawings
Fig. 1 is the axonometric chart of electric wheelchair;
Fig. 2 is front-wheel steer top view;
Fig. 3 is manual transfer structure chart;
Fig. 4 is foot control turning device structure chart;
Fig. 5 is that manual control turns to box structure chart;
Fig. 6 is conical gear engagement figure.
Detailed description of the invention
In order to understand better technical characterstic of the present utility model, below in conjunction with accompanying drawing, the utility model is further described.
As shown in Fig. 1-6, this utility model is provided with damping 7, supporting mechanism and actuating unit between wheel seat base and chair frame 3; Adopt motor drive rear axle and box of tricks is set, realize the driving to two trailing wheels.This electric wheelchair is also provided with elevating mechanism, and described elevating mechanism is arranged on the bottom of wheelchair seat, can, according to individual different needs, by regulating elevating mechanism, carry out the height of adjusting seat.
The handrail of electric wheelchair, for example, be also provided with speed button 6 on the handrail 4 in left side, as required, presses different speed buttons 6, the speed that adjustable wheel chair advances.
The right side of wheelchair chair frame 3 is provided with manual transfer, this manual control transfer comprises that manual control turns to box 2, manual control turns to 2 li, box to be provided with handle 1, the turning-bar 16 of handle 1 and this side is connected, turning-bar 16 bottoms are connected with a front-wheel 12 by wheel carrier 14 and front axle 13, it is off-front wheel, on turning-bar 16, also cover has sprocket wheel 15, sprocket wheel 15 is along with turning-bar 15 synchronously rotates, this sprocket wheel 15 is connected by the sprocket wheel on the turning-bar in chain 27 and chair frame 3 left sides, equally, on the turning-bar in chair frame left side, be connected another front-wheel, i.e. the near front wheel with front axle by wheel carrier.Opening manual control turns to after box 2, hold up handle 1, can regulate wheelchair direct of travel by turning handle 1, be that handle 1 rotation drives connected turning-bar 16 to rotate, thereby drive the off-front wheel of this side to turn to, and pass to sprocket wheel opposite side turning-bar on by rotating by chain 27 by the sprocket wheel 15 on this side turning-bar 16, and then the near front wheel that drive is connected with opposite side turning-bar synchronously turns over equal angular, thus reach the object that manual control turns to.
Chair frame 3 lower right side are also provided with the steering spindle 29 of foot control turning device, on the handrail 4 in chair frame 3 left sides, be also provided with and turn to switching button 5, press and turn to after switching button 5, the circuit that is arranged on the electric magnet 17 on right hand steering bar is switched on, electric magnet 17 produces electromagnetic attraction, make to be arranged under elastic force that conical gear 18 on right hand steering bar 16 overcomes spring 19 inhaled, and engage with the conical gear 22 in the steering spindle 29 of foot control turning device, in steering spindle 29, be also provided with sprocket wheel 23, sprocket wheel 23 synchronously rotates by chain 11 and the sprocket wheel 21 being connected on pedal shaft 10, pedal shaft 10 is provided with and rotates pedal 9, now rotate pedal 9 by foot, the rotation of rotating pedal 9 will reach the sprocket wheel being arranged on pedal shaft 10 by pedal shaft 10, by chain transmission, rotation is reached to the sprocket wheel 23 of the steering spindle 29 on right side, rotation is reached coaxial mounted conical gear 22 by this sprocket wheel 23, by rotation being reached to right hand steering bar 16 with the engaging of conical gear 18 in right side front wheel steering spindle, and then drive front end left and right wheels to turn over certain angle, thereby reach the object turning to.
Steering spindle 29 rear ends are by an opening of bearing connecting tee 24, two other of threeway 24 mouthful is connected to base and chair frame 3 by transverse axis and connecting rod 25 respectively, the front end of steering spindle 29 connects another threeway 28 by bearing, turning-bar 16 runs through two other opening of threeway 28, and is rotationally connected by bearing and threeway 28.On turning-bar 16, be provided with lower convex platform 26, the lower end of threeway 28 and lower convex platform 26 butts.Conical gear 18 is connected with turning-bar 16 by spline, on the turning-bar 16 on the top of conical gear, be provided with convex platform 20, mounting spring 19 on convex platform 20, spring 19 is helical spring, its one end is fixed on the bottom of convex platform 20, one end is fixed on the upper end of conical gear 18 in addition, and described convex platform 20 and lower convex platform 26 can be arranged on turning-bar 16 by the mode such as clamping or welding.The lower end welding iron block of conical gear 18, in the time that electric magnet 17 is switched on, produces electromagnetic force, makes conical gear 18 overcome spring 19 elastic force and moves downward with conical gear 22 and engaged transmission.
In addition, chair frame lower end is also fixedly connected with fixed pedestal 8, and fixed pedestal 8 semi-surroundings rotate pedal 9, and the pedal shaft 10 being fixedly connected with rotation pedal runs through the hollow axle being arranged on fixed pedestal 8, and is rotationally connected by bearing and hollow axle.
Manual steering mechanism can also be arranged on the left side of chair frame, and other corresponding components are also installed to corresponding side thereupon.
The foregoing is only this utility model preferred embodiment; not thereby limit the scope of the claims of the present utility model; every equivalent structure transformation that utilizes this utility model description and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (4)
1. the electric wheelchair with twin-steer, it comprises manual transfer and foot control turning device, it is characterized in that: manual transfer comprises that the manual control of chair frame one side that is arranged on wheelchair turns to box, manual control turn in box, be provided with can be folding handle, handle connects turning-bar, and turning-bar bottom is connected with front-wheel, is also provided with sprocket wheel on turning-bar, sprocket wheel is connected with the sprocket wheel on chair frame opposite side turning-bar by a chain, and the bottom of this opposite side turning-bar is connected with another front-wheel; Foot control turning device comprises and manual control turns to steering spindle box homonymy and that be arranged on chair frame bottom, and steering spindle is provided with conical gear and sprocket wheel, and this sprocket wheel is connected with the sprocket wheel on pedal shaft by a chain, and pedal shaft front end is provided with rotation pedal; On the described turning-bar being connected with handle, be provided with spring, electric magnet and conical gear, this conical gear can slide up and down on this turning-bar, thereby engage or separate with the conical gear in steering spindle, on the handrail of chair frame, being also provided with and turning to switching button, in order to control the power on/off of electric magnet.
2. the electric wheelchair with twin-steer according to claim 1, it is characterized in that: described steering spindle rear end is by an opening of bearing connecting tee, two other opening of threeway is connected to respectively base and the chair frame of electric wheelchair by transverse axis and connecting rod, the front end of described steering spindle connects another threeway by bearing, the described turning-bar being connected with handle runs through two other opening of this another threeway, and is rotationally connected by bearing and this another threeway.
3. the electric wheelchair with twin-steer according to claim 1 and 2, is characterized in that: on the described turning-bar being connected with handle, be provided with lower convex platform, the lower end of the threeway being connected with steering spindle front end and lower convex platform butt.
4. the electric wheelchair with twin-steer according to claim 1 and 2, it is characterized in that: the described turning-bar being connected with handle is provided with convex platform, described spring is installed on convex platform, spring one end is fixed on the bottom of convex platform, and one end is fixed on the upper end of the conical gear on this turning-bar in addition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420275856.5U CN203898575U (en) | 2014-05-21 | 2014-05-21 | Electric wheelchair with double steering devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420275856.5U CN203898575U (en) | 2014-05-21 | 2014-05-21 | Electric wheelchair with double steering devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203898575U true CN203898575U (en) | 2014-10-29 |
Family
ID=51772877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420275856.5U Withdrawn - After Issue CN203898575U (en) | 2014-05-21 | 2014-05-21 | Electric wheelchair with double steering devices |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203898575U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103961227A (en) * | 2014-05-21 | 2014-08-06 | 河北工程大学 | Electric wheelchair with double steering devices |
| CN112046659A (en) * | 2020-10-14 | 2020-12-08 | 傅燕 | Locomotive linkage steering system |
| CN112515867A (en) * | 2020-12-04 | 2021-03-19 | 李彬鑫 | Medical postoperative rehabilitation wheelchair |
-
2014
- 2014-05-21 CN CN201420275856.5U patent/CN203898575U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103961227A (en) * | 2014-05-21 | 2014-08-06 | 河北工程大学 | Electric wheelchair with double steering devices |
| CN103961227B (en) * | 2014-05-21 | 2016-08-24 | 河北工程大学 | A kind of electric wheelchair with twin-steer |
| CN112046659A (en) * | 2020-10-14 | 2020-12-08 | 傅燕 | Locomotive linkage steering system |
| CN112515867A (en) * | 2020-12-04 | 2021-03-19 | 李彬鑫 | Medical postoperative rehabilitation wheelchair |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103961227A (en) | Electric wheelchair with double steering devices | |
| CN203898575U (en) | Electric wheelchair with double steering devices | |
| DE102013009068B4 (en) | Electric stroller | |
| CN106181948A (en) | A kind of motor vehicle repair driven plate recumbent bicycle | |
| CN202896772U (en) | Low position moped | |
| CN204915978U (en) | Electric scooter | |
| CN202366044U (en) | Wheelchair convenient in control | |
| CN205698290U (en) | A kind of wheelchair driven by power headstock device | |
| CN202386872U (en) | Electrically-propelled wheelchair driving device and double-handle electrically-propelled wheelchair | |
| CN205365820U (en) | Prevent falling device and have this two wheeler of preventing falling device | |
| CN204072540U (en) | Wheelchair motorized motions head | |
| CN203996648U (en) | A kind of miniature tri wheel recumbent bicycle | |
| CN206155669U (en) | Electric bicycle | |
| CN109955972A (en) | A kind of New type bicycle driving device | |
| CN105015674B (en) | A kind of multi-purpose sports type power-assisted vehicles | |
| CN104224462A (en) | Multifunctional electrically powered wheelchair | |
| CN203958268U (en) | Steering transmission device | |
| CN202641972U (en) | Outdoor health riding vehicle | |
| CN106580575B (en) | A kind of damped wheelchair adapting to various road conditions | |
| CN203567871U (en) | Electric campstool | |
| CN201647018U (en) | Dead-weight bicycle | |
| CN103661754A (en) | Two-wheeled hand-cranking bicycle | |
| CN204015675U (en) | A kind of direction movement dual power supply electric rocking chair | |
| CN204133732U (en) | A kind of wheelchair drive mechanism | |
| CN201431569Y (en) | Rocking-in type wheelchair |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141029 Effective date of abandoning: 20160824 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |