CN202515899U - Multipurpose electrically propelled wheelchair - Google Patents
Multipurpose electrically propelled wheelchair Download PDFInfo
- Publication number
- CN202515899U CN202515899U CN2012201794480U CN201220179448U CN202515899U CN 202515899 U CN202515899 U CN 202515899U CN 2012201794480 U CN2012201794480 U CN 2012201794480U CN 201220179448 U CN201220179448 U CN 201220179448U CN 202515899 U CN202515899 U CN 202515899U
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- Prior art keywords
- vehicle frame
- crawler
- electrically propelled
- support
- walking mechanism
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Abstract
The utility model discloses a multipurpose electrically propelled wheelchair and relates to the technical field of multipurpose four wheelers. The multipurpose electrically propelled wheelchair comprises a vehicle frame, a flat ground traveling mechanism, a power device and a traveling mechanism. The key improvement of the multipurpose electrically propelled wheelchair is that the multipurpose electrically propelled wheelchair further comprises a crawler-type stair traveling mechanism which is fixedly arranged on an inner side below the chair frame, the tail end of the crawler-type stair traveling mechanism is connected with the bottom of the tail end of the chair frame in hinged mode, and the front end of the crawler-type stair traveling mechanism is connected with the chair frame by means of two sets of lifting mechanisms which are symmetrically arranged. The multipurpose electrically propelled wheelchair has the advantages that the crawler-type stair traveling mechanism and the flat ground traveling mechanism are arranged in parallel, a user needs to pull rubber wheels to drive the multipurpose electrically propelled wheelchair when traveling on the flat ground, or accompanying people can pull the multipurpose electrically propelled wheelchair, or the user voluntarily pulls the multipurpose electrically propelled wheelchair to have rehabilitative training. The user can operate a lifting mechanism when needs to go up and down stairs, the crawler-type stair traveling mechanism supports the whole wheelchair weight, and a motor drives the crawler-type stair traveling mechanism to go up and down stairs. The multipurpose electrically propelled wheelchair is simple to operate and capable of reducing burdens of the accompanying people.
Description
Technical field
This utility model relates to a kind of multipurpose carriage technical field.
Background technology
Wheelchair is the important tool of rehabilitation, and it is not only the walking-replacing tool of limbs the disabled, the more important thing is to make them carry out physical exercise and participate in social activity by means of wheelchair.Common wheelchair generally comprises vehicle frame, level walking mechanism, power set and steering mechanism, and common wheelchair can only walk on the level land or climb clivia, along with the development of electrokinetic technique; Occur some electric wheelchairs now, electronic control system has been added on the wheelchair, improved the handling of wheelchair; But; Present various wheelchairs all can not be climbed the building, cause extremely inconvenience downstairs on the user, also bring burden to the entourage.
The utility model content
This utility model technical problem to be solved provides a kind of electric wheelchair of using more; Level walking mechanism and crawler type stair walking mechanism are set simultaneously, only need user can realize that from line operate wheelchair climbs the purpose in building, convenient; Alleviate entourage's burden, easy to operate.
For solving the problems of the technologies described above, the technical scheme that this utility model is taked is: use electric wheelchair a kind of more, comprise vehicle frame, level walking mechanism, power set and steering mechanism; Its key improvements is: also comprise crawler type stair walking mechanism; It is inboard that said stair walking mechanism is fixed at said vehicle frame below; Its tail end and said vehicle frame tail end bottom-hinged, its front end both sides are connected with vehicle frame by means of symmetrically arranged two cover elevating mechanisms.
At least three power transmission shafts, support wheel, driving gear set and crawler belt that said crawler type stair walking mechanism comprises the support frame that is symmetrically set in the vehicle frame both sides, is uniformly distributed with along the support frame length direction; The support frame tail end of said both sides is hinged by means of bearing pin and said vehicle frame tail end; Said power transmission shaft two ends connect in said support frame by means of bearing respectively; The power transmission shaft two ends all are provided with support wheel; Said crawler belt and the supporting installation of said support wheel; Said adjacent two power transmission shafts middle part is equipped with the intermeshing driving gear set that is used to make the equidirectional rotation of power transmission shaft, and said power transmission shaft one end that is positioned at crawler type stair walking mechanism tail end passes the support frame setting and its end is connected with drive motors by means of gear drive.
Said support frame tail end is fixedly connected with horizontal pin, and said horizontal pin passes vertical slotted hole setting that vehicle frame two side lower parts are provided with respectively, and the last jackscrew and the following jackscrew that are layout up and down and dead in line are set in said vertical slotted hole.
Said elevating mechanism screw type elevating mechanism; It comprises that two covers are the screw type lifting mechanism of arranging up and down; Said screw type lifting structures comprise feed screw nut that leading screw, two hand of spirals are opposite and respectively with feed screw nut hinged be the support bar of arranging up and down; Said two support bars and the said support frame head end that is positioned at bottom is hinged, and said two support bars and the said vehicle frame that is positioned at left upper end is hinged.
Said level walking mechanism comprises two cover front-wheels and the two cover trailing wheels of being located at four jiaos of bottom of frame respectively; Said two cover front-wheels are connected with vehicle frame by means of vertical rotating shaft.
Said steering mechanism comprises and turns to push rod, steering spindle, column tube, steering wheel and rack-and-pinion driving mechanism; Said steering wheel is fixed at said steering spindle top, and said steering spindle middle part fixedly installs gear, the tooth bar engagement that turns to the push rod middle part of said gear and horizontally set; The said push rod two ends that turn to are hinged respectively at the rotating shaft top of said two cover front-wheels.
Said vehicle frame lower front is provided with the foot holder.
The said two cover trailing wheel outsides are equipped with rubber tire.
Adopt the beneficial effect that technique scheme produced to be: to be set up in parallel an other cover crawler type stair walking mechanism with level walking mechanism, in level walking, to need user to pull rubber tire and drive with hands; Also can the entourage promote; Perhaps user promotes to carry out rehabilitation training voluntarily, in the time of the needs stair activity, and user operation elevating mechanism; Crawler type stair walking mechanism supports whole wheelchair weight; Motor driven crawler type stair walking mechanism realizes stair activity, and is easy to operate, can also alleviate entourage's burden.
Description of drawings
Below in conjunction with the accompanying drawing and the specific embodiment this utility model is done further detailed explanation.
Fig. 1 is this utility model structural representation;
Fig. 2 is this utility model body frame structure for automotive sketch map;
Fig. 3 is this utility model crawler type stair walking mechanism structural representation;
Fig. 4 is this utility model elevating mechanism structural representation;
Fig. 5 is this utility model steering mechanism structural representation;
In the accompanying drawings: 1, lifter switch; 2, support; 3, trailing wheel; 4, crawler type stair walking mechanism; 5, elevating mechanism; 6, front-wheel; 7, right side foot holder; 8, turn to push rod; 9, left side foot holder; 10, level walking gauge tap; 11, steering wheel; 12, guide; 13, supporting base; 14, support frame; 15, support wheel; 16, power transmission shaft; 17, driving gear set; 18, claw; 19, support bar; 20, leading screw; 21, gear; 22, steering spindle; 23, column tube; 24, tooth bar.
The specific embodiment
As shown in Figure 1 a kind ofly use electric wheelchair more, comprise vehicle frame 2 (referring to Fig. 2), level walking mechanism, power set and steering mechanism; Its key improvements is: also comprise crawler type stair walking mechanism 4, it is inboard that said stair walking mechanism is fixed at said vehicle frame 2 belows, its tail end and said vehicle frame 2 tail end bottom-hinged; Its front end both sides are connected with vehicle frame 2 by means of symmetrically arranged two cover elevating mechanisms 5, and level walking mechanism and crawler type stair walking mechanism can be selected according to operating position, under normal state; Crawler type stair walking mechanism rises; Be hidden in bottom of frame, in the time of the needs stair activity, the user operation is positioned at the elevating mechanism switch 1 on the vehicle frame; Elevating mechanism just can be with crawler type stair walking mechanism front end to transferring; Support the wheelchair overall weight until crawler type stair walking mechanism, crawler type stair walking mechanism tail end is hinged by means of bearing pin and vehicle frame, but also is provided with the adjustment jackscrew; Be used to adjust the angle of crawler type stair walking mechanism, with the different slopes of stairs of practicality.
At least three power transmission shafts 16, support wheel 15, driving gear set 17 and crawler belt that said crawler type stair walking mechanism 4 (referring to Fig. 3) comprises the support frame 14 that is symmetrically set in vehicle frame 2 both sides, is uniformly distributed with along support frame 14 length directions; Support frame 14 tail ends of said both sides are hinged by means of bearing pin and said vehicle frame 2 tail ends; Said power transmission shaft 16 two ends connect in said support frame 14 by means of bearing respectively; Power transmission shaft 16 two ends all are provided with support wheel 15; Said crawler belt and the 15 supporting installations of said support wheel; Said adjacent two power transmission shafts 16 middle parts are equipped with the intermeshing driving gear set 17 that is used to make power transmission shaft 16 equidirectional rotations, and said power transmission shaft 16 1 ends that are positioned at crawler type stair walking mechanism 4 tail ends pass support frame 14 settings and its end is connected with drive motors by means of gear drive.
Said support frame 14 tail ends are fixedly connected with horizontal pin, and said horizontal pin passes vertical slotted hole setting that 2 liang of side lower parts of vehicle frame are provided with respectively, and the last jackscrew and the following jackscrew that are layout up and down and dead in line are set in said vertical slotted hole.
Said elevating mechanism 5 (referring to Fig. 4) is a screw type elevating mechanism 5; It comprises that two covers are the screw type lifting mechanism of arranging up and down; Said screw type lifting structures comprise leading screw 20, two feed screw nuts that hand of spiral is opposite and respectively with feed screw nut hinged be the support bar of arranging up and down 19; Said two support bars 19 that are positioned at bottom are hinged with said support frame 14 head ends, and said two support bars 19 that are positioned at left upper end are hinged with said vehicle frame 2.
Said level walking mechanism comprises that the two cover front-wheels 6 of being located at four jiaos of vehicle frame 2 bottoms respectively overlap trailing wheels 3 with two; Said two cover front-wheels 6 are connected with vehicle frame 2 by means of vertical rotating shaft; Said level walking mechanism can be manual; Also can be by means of motor driven; Motor is connected with rear axle by means of gear, and level walking gauge tap 10 is arranged on front side, vehicle frame top, and user can directly catch and contact.
Said steering mechanism (referring to Fig. 5) comprises and turns to push rod 8, steering spindle 22, steering spindle 22 pipes, steering wheel 11 and rack-and-pinion driving mechanism; Said steering wheel 11 is fixed at said steering spindle 22 tops, and said steering spindle 22 middle parts fixedly install gear, the tooth bar engagement that turns to push rod 8 middle parts of said gear and horizontally set; Said push rod 8 two ends that turn to are hinged respectively at the rotating shaft top of said two cover front-wheels 6.
Said vehicle frame 2 lower front are provided with the foot holder.
Said two cover trailing wheels 3 outsides are equipped with rubber tire.
In concrete application process, this utility model and level walking mechanism are set up in parallel an other cover crawler type stair walking mechanism, in level walking; Need user to pull rubber tire with hands and drive, also can the entourage promote, perhaps user promotes to carry out rehabilitation training voluntarily; In the time of the needs stair activity; User operation elevating mechanism, crawler type stair walking mechanism supports whole wheelchair weight, and motor driven crawler type stair walking mechanism realizes stair activity; Easy to operate, can also alleviate entourage's burden.
Claims (8)
1. using electric wheelchair one kind more, comprise vehicle frame (2), level walking mechanism, power set and steering mechanism; It is characterized in that: also comprise crawler type stair walking mechanism (4); It is inboard that said stair walking mechanism is fixed at said vehicle frame (2) below; Its tail end and said vehicle frame (2) tail end bottom-hinged, its front end both sides are connected with vehicle frame (2) by means of symmetrically arranged two cover elevating mechanisms (5).
2. according to claim 1 use electric wheelchair more, it is characterized in that: at least three power transmission shafts (16), support wheel (15), driving gear set (17) and crawler belt that said crawler type stair walking mechanism (4) comprises the support frame (14) that is symmetrically set in vehicle frame (2) both sides, is uniformly distributed with along support frame (14) length direction; The support frame of said both sides (14) tail end is hinged by means of bearing pin and said vehicle frame (2) tail end; Said power transmission shaft (16) two ends connect in said support frame (14) by means of bearing respectively; Power transmission shaft (16) two ends all are provided with support wheel (15); Said crawler belt and the supporting installation of said support wheel (15); Said adjacent two power transmission shafts (16) middle part is equipped with the intermeshing driving gear set (17) that is used to make the equidirectional rotation of power transmission shaft (16), and said power transmission shaft (16) one ends that are positioned at crawler type stair walking mechanism (4) tail end pass support frame (14) setting and its end is connected with drive motors by means of gear drive.
3. the electric wheelchair of using according to claim 2 more; It is characterized in that: said support frame (14) tail end is fixedly connected with horizontal pin; Said horizontal pin passes vertical slotted hole setting that vehicle frame (2) two side lower parts are provided with respectively, is provided with in said vertical slotted hole to be to arrange up and down and the last jackscrew and the following jackscrew of dead in line.
4. according to claim 1 or the 2 or 3 described electric wheelchairs of using more; It is characterized in that: said elevating mechanism (5) is a screw type elevating mechanism (5); It comprises that two covers are the screw type lifting mechanism of arranging up and down; Said screw type lifting structures comprise feed screw nut that leading screw (20), two hand of spirals are opposite and respectively with feed screw nut hinged be the support bar of arranging up and down (19); Said two support bars (19) and said support frame (14) head end that is positioned at bottom is hinged, and said two support bars (19) that are positioned at left upper end are hinged with said vehicle frame (2).
5. according to claim 4ly many use electric wheelchair, it is characterized in that: said level walking mechanism comprises that the two cover front-wheels (6) and two of being located at four jiaos of vehicle frame (2) bottoms respectively overlap trailing wheels (3); Said two cover front-wheels (6) are connected with vehicle frame (2) by means of vertical rotating shaft.
6. according to claim 5ly many use electric wheelchair, it is characterized in that: said steering mechanism comprise turn to that push rod (8), steering spindle (22), steering spindle (22) are managed, steering wheel (11) and rack-and-pinion driving mechanism; Said steering wheel (11) is fixed at said steering spindle (22) top, and said steering spindle (22) middle part fixedly installs gear, the tooth bar engagement that turns to push rod (8) middle part of said gear and horizontally set; Said push rod (8) two ends that turn to are hinged respectively at the rotating shaft top of said two cover front-wheels (6).
7. use electric wheelchair according to claim 6, it is characterized in that: said vehicle frame (2) lower front is provided with the foot holder more.
8. use electric wheelchair according to claim 7 more, it is characterized in that: said two cover trailing wheels (3) outsides are equipped with rubber tire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201794480U CN202515899U (en) | 2012-04-25 | 2012-04-25 | Multipurpose electrically propelled wheelchair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201794480U CN202515899U (en) | 2012-04-25 | 2012-04-25 | Multipurpose electrically propelled wheelchair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202515899U true CN202515899U (en) | 2012-11-07 |
Family
ID=47098874
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201794480U Expired - Fee Related CN202515899U (en) | 2012-04-25 | 2012-04-25 | Multipurpose electrically propelled wheelchair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202515899U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103767841A (en) * | 2014-01-27 | 2014-05-07 | 河北工业大学 | Wheel and crawler type dual-purpose wheelchair for both roads and stairs |
-
2012
- 2012-04-25 CN CN2012201794480U patent/CN202515899U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103767841A (en) * | 2014-01-27 | 2014-05-07 | 河北工业大学 | Wheel and crawler type dual-purpose wheelchair for both roads and stairs |
| CN103767841B (en) * | 2014-01-27 | 2016-09-21 | 河北工业大学 | A kind of Lun Lvshi road ladder two-use wheel chair |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121107 Termination date: 20140425 |