CN205181646U - Electronic wheelchair of backfolding formula lightweight - Google Patents
Electronic wheelchair of backfolding formula lightweight Download PDFInfo
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- CN205181646U CN205181646U CN201521074536.4U CN201521074536U CN205181646U CN 205181646 U CN205181646 U CN 205181646U CN 201521074536 U CN201521074536 U CN 201521074536U CN 205181646 U CN205181646 U CN 205181646U
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- frame
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- electric wheelchair
- portable electric
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Abstract
The utility model provides an electronic wheelchair of backfolding formula lightweight, it includes: trailer frame, handrail, wheel, assist drive device, locking mechanical system, the trailer frame includes: preceding frame, back frame, back strut, preceding strut, seat frame, down the back, go up the back, the handrail is installed in the both sides of trailer frame, and the wheel is installed in the front end and the rear end of trailer frame, assist drive device includes the helping hand air spring, and the both ends of helping hand air spring are connected with the back frame with the seat frame respectively, and locking mechanical system includes that the bullet buckles, and the bullet is buckled and is installed under in on the back, and electronic wheelchair is when the open mode, and locking mechanical system is at automatic locking state. The utility model discloses an electronic wheelchair of backfolding formula lightweight adopts the locking mechanical system of the bullet formula of buckleing, and it is safer, reliable, can realize automatic locking to can prevent effectively that the pine from taking off, has solved the problem of last back locking. Furthermore, the utility model discloses a can be with the help of the automatic labour saving and time saving that opens of air spring when electronic wheelchair of backfolding formula lightweight opens.
Description
Technical field
This utility model relates to electric wheelchair technical field, particularly relates to a kind of rear folding Portable electric wheelchair.
Background technology
Electric wheelchair is the high-new technology products that the fields such as modern precision machinery, intelligent numerical control, engineering mechanics combine.It is on the basis of traditional manual wheelchair, and by parts such as superposition high-performance Power Drive Unit, smart steering device, batteries, transformation and upgrade form.It possesses hand control intelligent controller, wheelchair can be driven to complete advance by this intelligent controller, retreat, turn to, stand, lie low, etc. operation.
But though the body frame structure for automotive of existing electric wheelchair has the small and exquisite advantage of folding volume, there is security risk in the retaining mechanism of its peg type.Effort and loaded down with trivial details problem when it causes wheelchair to be opened, and upper backrest such as can not to lock at the problem.
Therefore, for the problems referred to above, be necessary to propose further solution.
Utility model content
The purpose of this utility model is to provide a kind of rear folding Portable electric wheelchair, to overcome the deficiencies in the prior art.
For realizing above-mentioned utility model object, of the present utility model provide a kind of after folding Portable electric wheelchair, it comprises: towing carriage, handrail, wheel, servomechanism, locking mechanism;
Described towing carriage comprises: front frame, Rear frame, back pole-bracket, front pole-bracket, seat frame frame, lower backrest, upper backrest, be flexibly connected between described front frame, Rear frame, back pole-bracket, front pole-bracket, form the first four-bar linkage structure, be flexibly connected between described Rear frame, seat frame frame, lower backrest, back pole-bracket, form the second four-bar linkage structure;
Described handrail is installed on the both sides of described towing carriage, and described wheel is installed on the front-end and back-end of described towing carriage; Described servomechanism comprises power-assisted air spring, the two ends of described power-assisted air spring are connected with Rear frame with described seat frame frame respectively, described locking mechanism comprises snap-on, described snap-on is installed on described lower backrest, when described electric wheelchair is in open mode, described locking mechanism is in the state of automatically locking.
As the improvement of rear folding Portable electric wheelchair of the present utility model, in described first four-bar linkage structure, chain connection between described front frame, Rear frame, back pole-bracket, front pole-bracket.
As the improvement of rear folding Portable electric wheelchair of the present utility model, described front frame upper hinge hole is connected with pan before described Rear frame, after described Rear frame, pan is connected with pan in described back pole-bracket, before described back pole-bracket, pan is connected with pan after described front pole-bracket, and before described front pole-bracket, pan is connected with pan under described front frame.
As the improvement of rear folding Portable electric wheelchair of the present utility model, in described second four-bar linkage structure, chain connection between described Rear frame, seat frame frame, lower backrest, back pole-bracket.
As the improvement of rear folding Portable electric wheelchair of the present utility model, described Rear frame upper hinge hole is connected with pan before described seat frame frame, after described seat frame frame, pan is connected with pan in described lower backrest, under described lower backrest, pan is connected with described back pole-bracket upper hinge hole, and in described back pole-bracket, pan is connected with pan after described Rear frame.
As the improvement of rear folding Portable electric wheelchair of the present utility model, described handrail comprises handrail tube and handrail stay tube, described handrail tube and handrail stay tube and described lower backrest and seat frame frame chain connection, and integrally link with described first four-bar linkage structure and the second four-bar linkage structure and arrange.
As the improvement of rear folding Portable electric wheelchair of the present utility model, described wheel comprises front-wheel and trailing wheel, and described front-wheel is universal wheel, and described trailing wheel is motor wheel.
As the improvement of rear folding Portable electric wheelchair of the present utility model, described rear folding Portable electric wheelchair also comprises battery and battery case, and described battery is installed in described battery case, and is electrically connected with described motor wheel.
As the improvement of rear folding Portable electric wheelchair of the present utility model, described towing carriage also comprises anti-translation frame and air spring, Rear frame described in described anti-translation frame chain connection, and connecting described back pole-bracket by described air spring, described anti-translation frame and air spring and described first four-bar linkage structure and the second four-bar linkage structure integrally link and arrange.
As the improvement of rear folding Portable electric wheelchair of the present utility model, described towing carriage also comprises foot rest, described foot rest and described front pole-bracket chain connection.
Compared with prior art, the beneficial effects of the utility model are: rear folding Portable electric wheelchair of the present utility model adopts the locking mechanism of spring snap type, and it is safer, reliable, can realize automatically locking, and can effectively prevent from getting loose, solve the problem of backrest locking.In addition, it is time saving and energy saving automatically can to open by air spring when rear folding Portable electric wheelchair of the present utility model is opened.
Accompanying drawing explanation
In order to be illustrated more clearly in this utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, the accompanying drawing that the following describes is only some embodiments recorded in this utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the perspective exploded view of rear folding Portable electric wheelchair one detailed description of the invention of the present utility model.
Detailed description of the invention
Below in conjunction with each embodiment shown in the drawings, this utility model is described in detail; but should be noted that; these embodiments are not limitation of the utility model; those of ordinary skill in the art are according to these embodiment institute work energy, method or structural equivalent transformations or substitute, and all belong within protection domain of the present utility model.
As shown in Figure 1, rear folding Portable electric wheelchair of the present utility model comprises: towing carriage, handrail, wheel, servomechanism, locking mechanism;
State when launching for electric wheelchair of the present utility model below, is described in detail to the position relationship of each structure.
Described towing carriage forms the agent structure of described electric wheelchair, and described towing carriage comprises: front frame 11, Rear frame 12, back pole-bracket 13, front pole-bracket 14, seat frame frame 15, lower backrest 16, upper backrest 17.Wherein, be flexibly connected between described front frame 11, Rear frame 12, back pole-bracket 13, front pole-bracket 14, form the first four-bar linkage structure, be flexibly connected between described Rear frame 12, seat frame frame 15, lower backrest 16, back pole-bracket 13, form the second four-bar linkage structure.Thus described towing carriage is two four-bar linkage structures.
As a kind of embodiment, described flexible connection can be chain connection.Now, in described first four-bar linkage structure, described front frame 11 upper hinge hole is connected with pan before described Rear frame 12, after described Rear frame 12, pan is connected with pan in described back pole-bracket 13, before described back pole-bracket 13, pan is connected with pan after described front pole-bracket 14, before described front pole-bracket 14, pan and described front frame 11 times pans are connected, and so, form described first four-bar linkage structure.
Further, in described second four-bar linkage structure, described Rear frame 12 upper hinge hole is connected with pan before described seat frame frame 15, after described seat frame frame 15, pan is connected with pan in described lower backrest 16, described lower backrest 16 times pans are connected with described back pole-bracket 13 upper hinge hole, in described back pole-bracket 13, pan is connected with pan after described Rear frame 12, so, forms described second four-bar linkage structure.
In addition, described towing carriage also comprises anti-translation frame 70 and air spring 80, and described anti-translation frame 70 is hingedly coupled in described Rear frame 12, and connects described back pole-bracket 13 by described air spring 80.So, increasing the contact area on electric wheelchair and ground by arranging described anti-translation frame 70, effectively preventing electric wheelchair from translating into.And can effectively assist the folding of anti-translation frame 70 by arranging air spring 80 and open.Meanwhile, described anti-translation frame 70 and air spring 80 integrally link with described first four-bar linkage structure and the second four-bar linkage structure and arrange.
Described towing carriage also comprises foot rest 90, and it is for supporting foot and the shank of occupant, to improve the comfortableness of occupant.Described foot rest 90 and described front pole-bracket 14 chain connection, described in it, foot rest 90 can spin upside down, and when not using, can folding get up.Meanwhile, described seat frame frame 15, lower backrest 16, on backrest 17 is also placed with seat back cushion 92.
Conveniently the opening of this utility model electric wheelchair, electric wheelchair comprises described servomechanism.Particularly, described servomechanism comprises power-assisted air spring 41, and the two ends of described power-assisted air spring 41 are connected with Rear frame 12 with described seat frame frame 15 respectively.Thus, in electric wheelchair opening procedure, because two four-bar linkage structure has 2 dead points, opening procedure so can be caused to require great effort very much.By power-assisted air spring 41 resistances that can reduce in opening procedure, opening procedure is made to become very convenient.
Get loose after opening to prevent this utility model electric wheelchair, electric wheelchair comprises described locking mechanism.Particularly, described locking mechanism comprises snap-on 51, described snap-on 51 is installed on described lower backrest 16, thus, when described electric wheelchair is in open mode, rely on the elastic force of snap-on 51, described locking mechanism can pin by automatic fastening, also effectively can fasten even if having very significantly to shake in electric wheelchair driving process, effectively prevent the generation of the phenomenon that gets loose.
Described handrail is installed on the both sides of described towing carriage, and it is for supporting the both arms of occupant.Particularly, described handrail comprises handrail tube 21 and handrail stay tube 22, described handrail tube 21 and handrail stay tube 22 and described lower backrest 16 and seat frame frame 15 chain connection, and integrally links with described first four-bar linkage structure and the second four-bar linkage structure and arrange.
Described wheel is installed on the front-end and back-end of described towing carriage respectively.Particularly, described wheel comprises front-wheel 31 and trailing wheel 32, and wherein, described front-wheel 31 is universal wheel, and this universal wheel is connected in front frame 11 by front fork 93, and described trailing wheel 32 is motor wheel, and this motor wheel is installed in described Rear frame 12.In addition, mud guard 91 is also provided with above described trailing wheel 32.
Further, described electric wheelchair also comprises battery and battery case 60, and described battery is installed in described battery case 60.And described battery and described motor wheel are electrically connected, thus provide required electric energy for described motor wheel.Described electric wheelchair also comprises storage bag 94, and described storage bag 94 is arranged at the below of described seat frame frame, and this storage bag 94 can be used for the carry-on articles placing occupant.
In sum, rear folding Portable electric wheelchair of the present utility model adopts the locking mechanism of spring snap type, and it is safer, reliable, can realize automatically locking, and can effectively prevent from getting loose, and solves the problem of backrest locking.In addition, it is time saving and energy saving automatically can to open by air spring when rear folding Portable electric wheelchair of the present utility model is opened.
To those skilled in the art, obvious this utility model is not limited to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present utility model or basic feature, can realize this utility model in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present utility model is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in this utility model.Any Reference numeral in claim should be considered as the claim involved by limiting.
In addition, be to be understood that, although this description is described according to embodiment, but not each embodiment only comprises an independently technical scheme, this narrating mode of description is only for clarity sake, those skilled in the art should by description integrally, and the technical scheme in each embodiment also through appropriately combined, can form other embodiments that it will be appreciated by those skilled in the art that.
Claims (10)
1. after, a folding Portable electric wheelchair, is characterized in that, described rear folding Portable electric wheelchair comprises: towing carriage, handrail, wheel, servomechanism, locking mechanism;
Described towing carriage comprises: front frame, Rear frame, back pole-bracket, front pole-bracket, seat frame frame, lower backrest, upper backrest, be flexibly connected between described front frame, Rear frame, back pole-bracket, front pole-bracket, form the first four-bar linkage structure, be flexibly connected between described Rear frame, seat frame frame, lower backrest, back pole-bracket, form the second four-bar linkage structure;
Described handrail is installed on the both sides of described towing carriage, and described wheel is installed on the front-end and back-end of described towing carriage; Described servomechanism comprises power-assisted air spring, the two ends of described power-assisted air spring are connected with Rear frame with described seat frame frame respectively, described locking mechanism comprises snap-on, described snap-on is installed on described lower backrest, when described electric wheelchair is in open mode, described locking mechanism is in the state of automatically locking.
2. rear folding Portable electric wheelchair according to claim 1, is characterized in that, in described first four-bar linkage structure, and chain connection between described front frame, Rear frame, back pole-bracket, front pole-bracket.
3. rear folding Portable electric wheelchair according to claim 2, it is characterized in that, described front frame upper hinge hole is connected with pan before described Rear frame, after described Rear frame, pan is connected with pan in described back pole-bracket, before described back pole-bracket, pan is connected with pan after described front pole-bracket, and before described front pole-bracket, pan is connected with pan under described front frame.
4. rear folding Portable electric wheelchair according to claim 1, is characterized in that, in described second four-bar linkage structure, and chain connection between described Rear frame, seat frame frame, lower backrest, back pole-bracket.
5. rear folding Portable electric wheelchair according to claim 4, it is characterized in that, described Rear frame upper hinge hole is connected with pan before described seat frame frame, after described seat frame frame, pan is connected with pan in described lower backrest, under described lower backrest, pan is connected with described back pole-bracket upper hinge hole, and in described back pole-bracket, pan is connected with pan after described Rear frame.
6. rear folding Portable electric wheelchair according to claim 1, it is characterized in that, described handrail comprises handrail tube and handrail stay tube, described handrail tube and handrail stay tube and described lower backrest and seat frame frame chain connection, and integrally link with described first four-bar linkage structure and the second four-bar linkage structure and arrange.
7. rear folding Portable electric wheelchair according to claim 1, it is characterized in that, described wheel comprises front-wheel and trailing wheel, and described front-wheel is universal wheel, and described trailing wheel is motor wheel.
8. rear folding Portable electric wheelchair according to claim 7, is characterized in that, described rear folding Portable electric wheelchair also comprises battery and battery case, and described battery is installed in described battery case, and is electrically connected with described motor wheel.
9. rear folding Portable electric wheelchair according to claim 1, it is characterized in that, described towing carriage also comprises anti-translation frame and air spring, Rear frame described in described anti-translation frame chain connection, and connecting described back pole-bracket by described air spring, described anti-translation frame and air spring and described first four-bar linkage structure and the second four-bar linkage structure integrally link and arrange.
10. rear folding Portable electric wheelchair according to claim 1, it is characterized in that, described towing carriage also comprises foot rest, described foot rest and described front pole-bracket chain connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521074536.4U CN205181646U (en) | 2015-12-21 | 2015-12-21 | Electronic wheelchair of backfolding formula lightweight |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521074536.4U CN205181646U (en) | 2015-12-21 | 2015-12-21 | Electronic wheelchair of backfolding formula lightweight |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205181646U true CN205181646U (en) | 2016-04-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521074536.4U Active CN205181646U (en) | 2015-12-21 | 2015-12-21 | Electronic wheelchair of backfolding formula lightweight |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205181646U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109394440A (en) * | 2018-03-27 | 2019-03-01 | 美利驰医疗器械（苏州）有限公司 | Safety-type, the facilitation electric wheelchair of one kind and its working method |
-
2015
- 2015-12-21 CN CN201521074536.4U patent/CN205181646U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109394440A (en) * | 2018-03-27 | 2019-03-01 | 美利驰医疗器械（苏州）有限公司 | Safety-type, the facilitation electric wheelchair of one kind and its working method |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |