CN201469544U

CN201469544U - Electric wheelchair

Info

Publication number: CN201469544U
Application number: CN 200920158430
Authority: CN
Inventors: 王子仪
Original assignee: Freerider Corp
Current assignee: Freerider Corp
Priority date: 2009-06-03
Filing date: 2009-06-03
Publication date: 2010-05-19
Anticipated expiration: 2019-06-03

Abstract

The utility model relates to an electric wheelchair, which is provided with a main frame, wherein a chair capable of being folded forwards is pivotally arranged on the main frame correspondingly, the chair is interlocked with an auxiliary tilt wheel for folding, a driving wheel is arranged on the main frame, front wheel sets are respectively assembled on two sides in front of the main frame, and a pedal pad capable of drawing from the main frame and being stored is arranged between the two front wheel sets correspondingly. When the electric wheelchair is used, the pedal pad can be drawn out from the main frame, the chair can be lifted and unfolded, and the auxiliary tilt wheel with slightly inclined angle is pulled out of the main frame via an interlocking mechanism, thereby assisting the electric wheelchair to run, avoiding safety hazards caused by unstable center of gravity and increasing safety.

Description

Electric wheelchair

Technical field

This utility model is relevant for a kind of electric wheelchair, refer in particular to that a kind of utilization is pivoted and mechanism such as bending makes this electric wheelchair can fold the luggage case shape that Cheng Yike tows, or be positioned to carry people's auxiliary wheelchair and cooperate the auxiliary wheel that inclines of little degree of tilt, reach when assisting electric wheelchair to travel, avoid the electric wheelchair of the safety of crank.

Background technology

Regular meeting sees some common people because of suffering as traffic accident; when major disease such as apoplexy or injury; cause the situation of lower part of the body paralysis; or walk about because of long-term laid up can not leaving the bed in bed; make double-legged amyotrophy; walking again can't easily stand; or old people's physiological function is degenerated to cause and is slow in action; the phenomenon that both feet can't easily be walked fast; and these handicapped common people are when long distance is movable; often need utilize the auxiliary help action of crutch or wheelchair; but because of this kind equipment all is just can move with the manpower force mechanism; make and not only very expend strength, and also can't have a fast speeds, and have many puzzlements and inconvenience.

So, have the dealer to develop various electric wheelchair equipment such as electric bicycle, electric wheelchair, in order to electric energy conversion as power help the handicapped common people can conveniently move, movable; Yet, take a broad view of the various electric wheelchair equipment on the market, though all can reaching, it utilize the electric energy conversion conveniently to carry out active expection effect for the handicapped common people as power, but in using, its actual enforcement finds, such electric wheelchair structure is commonly monolithic construction design, can't fold and fold, make when this electric wheelchair does not use, it very takies placing room, no matter be, transport in dealer's storage, or the common people are when carrying, moving or placing, all very inconvenience and puzzlement; Though there is the dealer to utilize dismountable mode to reduce the shared space of this electric wheelchair, but not only need spend the more time in its disassembly process, and very trouble inconvenience too in its execution operation, cause this electric wheelchair on the folding problem, still to have improved space.

And except above-mentioned folding problem, its electric wheelchair in motion, because of inertia problem is arranged, cause behind brake or driver, lying incline by the time, produce the phenomenon of crank, therefore, tend to have influence on the driving safety of driving, so be one of this area problem of remaining to be researched and developed in this part.

The utility model content

Technical problem to be solved in the utility model is studied improvement again and a kind of electric wheelchair is provided at existing structure and defective, it mainly is to utilize to be pivoted and mechanism such as interlock makes this electric wheelchair can fold the luggage case shape that Cheng Yike tows, or be positioned to carry people's auxiliary wheelchair, make it all have more convenience storing to place or carry to move, and its whole implement to use more increase practical value.

For reaching above-mentioned purpose, this utility model provides a kind of electric wheelchair, this electric wheelchair is provided with the body frame body, be provided with drivewheel and both sides, the place ahead are respectively equipped with preceding wheels in described body frame body, be pivoted in the drivewheel end correspondence of described body frame body and one can allow the chair tool receive folded pole forward, and this pole drives an auxiliary wheel that inclines by interlinked mechanism, and this interlinked mechanism mainly is to be provided with tooth portion in pole one end, and the tooth portion place of the described auxiliary corresponding described pole of wheel of inclining also is provided with intermeshing tooth portion, is provided with the handle that draws that can extract out, take in the body frame body.

Wherein, be provided with the controller that this electric wheelchair of control travels in described chair tool.

Wherein, corresponding being provided with can be by the foot-operated pad of extracting out in the body frame body, taking between wheels before described two.

Wherein, this pole by detent mechanism with form to launch, collapse state.

According to such scheme, this utility model is significant compared to the effect of prior art:

Electric wheelchair of the present utility model is provided with body frame body correspondence and is pivoted and one can receives folded chair tool forward, and the folded interlock one auxiliary wheel that inclines of the receipts of chair tool, be provided with the corresponding respectively group of drivewheel and both sides, the place ahead in the body frame body again and be provided with preceding wheels, corresponding being provided with can be by the foot-operated pad of extracting out in the body frame body, taking between wheels before two; When this electric wheelchair uses, it can be pulled out by the body frame body riding pad, the chair tool is risen to launch, and simultaneously through interlinked mechanism by the body frame body in interlock go out the auxiliary wheel that inclines of a little degree of tilt, whereby, reach when assisting electric wheelchair to travel, avoid improving the effect of security performance owing to the potential safety hazard that crank brought.

A kind of electric wheelchair of this utility model is further received the auxiliary wheel that inclines of poststack interlock in the chair tool and is collapsed in the adjacent side of drivewheel, and cooperates by the handle of extracting out in the body frame body that draws, and makes the auxiliary wheel that inclines form the roller state that can Gong tow.

Description of drawings

Fig. 1 is the whole schematic side view of launching of the present utility model;

Fig. 2 is an interlinked mechanism three-dimensional appearance sketch map of the present utility model;

Fig. 3 is a folding sketch map of the present utility model ();

Fig. 4 is a folding sketch map of the present utility model (two);

Fig. 5 is a folding sketch map of the present utility model (three);

Fig. 6 is a folding sketch map of the present utility model (four);

Fig. 7 is the displacement diagram that tows of the present utility model.

Description of reference numerals:

1 ... body frame body 11 ... drivewheel

12 ... draw 2 ... the chair tool

21 ... seat support 22 ... the chair back

23 ... controller 3 ... preceding wheels

A ... interlinked mechanism 4 ... pole

40 ... tooth portion 41 ... the auxiliary wheel that inclines

410 ... tooth portion 5 ... foot-operated pad

6 ... detent mechanism 61 ... locating rod

The specific embodiment

Understand for technical characterictic of the present utility model, purpose and effect being had more clearly, now contrast the description of drawings specific embodiment of the present utility model.

At first, see also Fig. 1, shown in Figure 2, for the integral body of a kind of electric wheelchair of this utility model is launched side-looking and interlinked mechanism three-dimensional appearance sketch map, it mainly is provided with body frame body 1, wheels 3 before body frame body 1 is provided with the corresponding respectively group in drivewheel 11 and both sides, the place ahead and is provided with, being pivoted in the drivewheel 11 end correspondences of body frame body 1 one can make the chair tool 2 of this electric wheelchair receive folded pole 4 forward again, 1 of this pole 4 and body frame body can be by the extensible locating rod 61 that goes out in the location mechanism 6 so that pole 4 forms and launches that (and this detent mechanism 6 only launches and an embodiment who folds for pole 4 with the state that folds, and this detent mechanism 6 has been documented in first to file, give unnecessary details no longer in detail at this), this pole 4 drives an auxiliary wheel 41 that inclines by interlinked mechanism A, this interlinked mechanism A mainly is included in the tooth portion 40 that pole 4 one ends are provided with, and the intermeshing tooth portion 410 that is provided with of auxiliary tooth portion 40 places that incline wheel 41 corresponding poles 4, whereby to reach continuous action relation; Be provided with can be by the foot-operated pad 5 of extracting out in the body frame body 1, taking in for 3 correspondences of wheels before two.

See also shown in Figure 1, when electric wheelchair is used expansion, corresponding pivot joint one collapsible, unfolded pole 4 on its body frame body 1, group is established chair tool 2 on pole 4, the seat support 21 of this chair tool 2 and the chair back 22 present the state of deployable bearing, the controller 23 that travels of the control electric wheelchair of these chair back 22 arm rests is also extensible simultaneously comes out, and pole 4 places of support chair tool 2 are also driven the tooth portion 410 of the auxiliary wheel 41 that inclines thereupon by the tooth portion 40 corresponding engagements of pole 4 one ends among this interlinked mechanism A, make the auxiliary wheel 41 that inclines by stretching in the body frame body 1.So, make this auxiliary wheel 41 that inclines can be in the process of moving at electric wheelchair, it is braked or the driver after lie and incline when producing inertia problem by institute, make electric wheelchair have the safeguard protection of assisting reclining backward, and the phenomenon of unlikely generation crank reaches safety requirements; Then, between the two preceding wheels corresponding to body frame body 1, will ride pad 5 and release again for use.

See also Fig. 1～shown in Figure 7, when electric wheelchair does not use, to ride pad 5 earlier is accommodated in the body frame body 1, again the pole 4 corresponding declines of chair tool 2 integral body by 2 of body frame body 1 and chair tools are folded closing in body frame body 1, the wheel 41 that should auxiliary incline simultaneously also drives the tooth portion 410 of the auxiliary wheel 41 that inclines by the tooth portion 40 corresponding engagements of pole 4 one ends among this interlinked mechanism A, make its auxiliary wheel 41 related body frame bodies 1 that collapse in that incline.While is also rotated other direction with the wheel body of preceding wheels 3, make its wheel body after electric wheelchair folds, not have the phenomenon of slide displacement, and wheel body and the chair tool 2 that folds are reached poised state, then, the controller 23 of the chair back 22 arm rests also inflection is folded, the chair back 22 is received toward seat support 21 and is leaned on simultaneously, draws 12 by pulling out one in the body frame body 1 again, makes this electric wheelchair be stowed displacement by the auxiliary wheel 41 that inclines that collapses in body frame body 1 place.

By the above, this utility model and existing structure have following advantage in comparison:

1, this utility model electric wheelchair passes through the pole that the body frame body is connected with the chair tool; an auxiliary wheel that inclines with related extension of the motion of interlinked mechanism; electric wheelchair brake in the process of moving or the driver after lie incline by the time; because of inertia problem is arranged; cause producing the phenomenon of crank; make electric wheelchair have the safeguard protection of assisting reclining backward by this auxiliary wheel that inclines, and the phenomenon of unlikely generation crank reach safety requirements.

2, after this utility model electric wheelchair folds this electric wheelchair can by auxiliary incline wheel and draw and conveniently tow displacement, reach storing to place or carry to move and all have localized convenience, and its whole implement to use more increase practical value.

The above only is the schematic specific embodiment of this utility model, is not in order to limit scope of the present utility model.Any those skilled in the art, equivalent variations of having done under the prerequisite that does not break away from design of the present utility model and principle and modification all should belong to the scope that this utility model is protected.

Claims

1. electric wheelchair, described electric wheelchair is provided with the body frame body, it is characterized in that: be provided with drivewheel and both sides, the place ahead are respectively equipped with preceding wheels in described body frame body, be pivoted in the drivewheel end correspondence of described body frame body and one can make the chair tool of described electric wheelchair receive folded pole forward, and this pole drives an auxiliary wheel that inclines by interlinked mechanism, this interlinked mechanism is included in the tooth portion that described pole one end is provided with, and the intermeshing tooth portion that is provided with of the tooth portion place of the described auxiliary corresponding described pole of wheel of inclining, be provided with the handle that draws that can extract out, take in described body frame body.

2. electric wheelchair according to claim 1 is characterized in that: be provided with the controller that this electric wheelchair of control travels in described chair tool.

3. electric wheelchair according to claim 1 is characterized in that: corresponding being provided with can be by the foot-operated pad of extracting out in the described body frame body, taking between wheels before described two.

4. electric wheelchair according to claim 1 is characterized in that: this pole forms by detent mechanism and launches, collapse state.