CN102764185A

CN102764185A - Electric wheelchair

Info

Publication number: CN102764185A
Application number: CN2012102312333A
Authority: CN
Inventors: 沈文华
Original assignee: CHANGSHU PINGFANG WHEELCHAIR CO LTD
Current assignee: CHANGSHU PINGFANG WHEELCHAIR CO LTD
Priority date: 2012-07-05
Filing date: 2012-07-05
Publication date: 2012-11-07
Anticipated expiration: 2032-07-05
Also published as: CN102764185B

Abstract

The invention discloses an electric wheelchair and belongs to an article for daily use. The electric wheelchair comprises a chair seat frame which is provided with a chair seat, a chair back, a pedal, a pair of front supporting frames, a pair of rear supporting frames, a pair of battery boxes, and a pair of armrests, wherein two sides of the chair back are connected with one end of a chair back supporting pipe respectively, and the other end of each of a pair of chair back supporting pipes is hinged with one end of the chair seat frame; a battery box connection pipe is fixed between a pair of rear supporting frames; the battery boxes are fixed with two ends of the battery box connection pipe, batteries are arranged in the battery boxes, motor seat frames are fixed on the battery boxes, rear wheel assemblies are connected with the motor seat frames, a limiting retaining foot is fixed on the middle part of each battery box, one end of each of a pair of battery boxes is connected with one end of a front supporting pipe respectively, and the other end of each front supporting pipe is connected with a front wheel assembly; and one end of each of the armrests is fixed with one chair back supporting pipe, the middle part of each armrest is hinged with the upper end of an armrest supporting pipe, the lower end of the armrest supporting pipe is connected with the chair seat frame, a pull wire is arranged at one end of the chair seat frame and is matched with the chair back supporting pipes, and a remote controller is arranged on one armrest. The chair seat frame, the chair back and the pedal can be folded together, so that the storage space is saved.

Description

Electric wheel-chair vehicle

Technical field

The invention belongs to the daily living article technical field, be specifically related to a kind of electric wheel-chair vehicle

Background technology

electric wheel-chair vehicle abbreviates the title electric wheelchair again as, is the walking-replacing tool of special population like disabled, old and weak, medical clinical rehabilitation patient etc.In disclosed Chinese patent document, is no lack of the technical information that is seen in about electric wheel-chair vehicle; " multifunctional electric wheelchair " (being the four-wheel structure) of typically recommending like Granted publication CN2745544Y; Though this patent scheme can be folding towards the seat support direction with the chair back; And the direction of seat support towards base plate reclined, and finally embodying non-use is the folding effect under the collecting state.But; No matter owing to be under user mode or under folded state; The position of pedal and front-wheel fails to change, and that is to say that pedal and front-wheel do not participate in folding, promptly; Distance between the front and rear wheel is consistent all the time, thereby the length of whole electric wheel-chair vehicle does not shorten and the inconvenience of existence collection still and the big shortcoming that takes up room.

" keeping away the barrier electric wheel-chair vehicle " that Granted publication CN201379725Y provides is though have the 4th section alleged technique effect of Instructions Page 2; But; Owing to only can draw close when folding by two side direction middle part; Therefore height of the carbody after folding and the height under the user mode do not change, thereby make the volume after folding be not easy to the collection keeping greatly equally, and carry trouble.There is the said shortcoming of CN201379725Y equally in " electric wheel-chair vehicle " that " multifunctional electric wheelchair " that CN101589979B introduces and CN201684098U disclose.

are undoubted; If can aforesaid two kinds of shortcomings be remedied simultaneously; So just can make the folding effect of electric wheel-chair vehicle be able to ultimate attainment embodiment, yet not be seen in the corresponding techniques enlightenment in disclosed patent documentation and the technical magazine up to now as non-patent literature.For this reason, the applicant has done long-term and useful exploration and trial, has found the way of dealing with problems finally, and the technical scheme that will introduce below produces under this background

Summary of the invention

task of the present invention is to provide a kind of and when folding, not only can have reduced ideally highly but also can shorten length significantly and use and embody good folding effect with space-saving electric wheel-chair vehicle.

task of the present invention is accomplished like this, and a kind of electric wheel-chair vehicle is included under the user mode chair seat frame that is installed with seat support towards a last side; One chair back, each pivotal connection of the both sides of this chair back has an end of a back support pipe, and the other end of a pair of back support pipe is hinged towards the corresponding both sides of an end of the chair back with said chair seat frame; One pedal, a pair of front pole-bracket and a pair of back pole-bracket; One end of pedal and a pair of front pole-bracket is hinged; And between a said end of a pair of front pole-bracket, an end of the other end of a pair of front pole-bracket and a pair of back pole-bracket is hinged, and the other end of a pair of back pole-bracket and described a pair of back support pipe pivotal connection; Wherein: be fixed with a battery case connection tube between a pair of back pole-bracket and below being positioned at, these two ends to the battery case connection tube lean out the sidepiece of said chair seat frame; A pair of battery case; This end to one of them battery case in the battery case and said battery case connection tube is fixed; And the other end of another battery case and battery case connection tube is fixed, and is provided with a battery with pluggable mode in each battery case, and on the end face of an end of the said chair back, is fixed with a motor mounting at each battery case; Be connected with a rear wheel assembly on each motor mounting; At the middle part of each battery case and be fixed with one towards a side of said back pole-bracket and be used for the limiting block foot spacing, towards each pivotal connection of an end of said pedal one end of stay tube before, wheel assembly before the other end of stay tube is connected with before each are arranged at a pair of battery case to rear support stand; Pair of armrests; This end and described back support pipe to handrail is fixed; And the middle part is hinged with the upper end of a handrail stay pipe; The lower end of handrail stay pipe is connected with described chair back rack; Wherein: be provided with the backguy that is used for locking of chair seat frame and said back support pipe or release towards the end of an end of the said chair back at said chair seat frame, this backguy matches with the back support pipe, appointing in the described pair of armrests select a handrail be provided with one be arranged on chair seat frame below be used to control the remote controller that rear wheel assembly is walked or the controller controlled in wireless that stops is connected.

are in a concrete embodiment of the present invention; The described chair back has the chair back pipe that a shape is the n shape of English alphabet; The chair back is fixed on the chair back pipe; End face respectively is fixed with a position-limit foot and offers a chair back tubular axis hole at the two ends of chair back pipe, and described back support pipe constitutes connector on the back support pipe towards an end of chair back pipe, and connector and said chair back pipe are hinged on this back support pipe; The back support pipe constitutes under the back support pipe connector and is fixed with a returning face plate towards an end of said back pole-bracket; Connector and said chair seat frame are hinged under the back support pipe, and returning face plate and described back pole-bracket are hinged, and described backguy matches with described returning face plate; Connector is fixed on described handrail and the said back support pipe, and the said lower end of described handrail stay pipe and the outside of said chair seat frame are hinged.

are in another concrete embodiment of the present invention; On described returning face plate, offer a returning face plate lock hole and a returning face plate hinge hole; The two ends of described backguy respectively have a stop pin; Stop pin matches with the returning face plate lock hole, and returning face plate hinge hole and described back pole-bracket are hinged.

are in another concrete embodiment of the present invention; Respectively constitute a back pole-bracket axle bed at described a pair of back pole-bracket towards an end of said front pole-bracket; Between this is to the back pole-bracket axle bed, be fixed with a back pole-bracket connecting rod; Described a pair of front pole-bracket respectively constitutes a front pole-bracket axle bed towards an end of back pole-bracket; Front pole-bracket axle bed and back pole-bracket axle bed are hinged, and a pair of front pole-bracket respectively offers a hinged groove towards an end of said pedal, on a pair of cell wall of hinged groove and in the position to correspond to each other, respectively offer a pedal pipe hinge hole.

are in another concrete embodiment of the present invention; Described pedal is fixed on the middle part of pedal bend pipe that a shape is the U-shaped of English alphabet; The two ends of pedal bend pipe respectively constitute a pedal bend pipe engaging lug; On pedal bend pipe engaging lug, offer engaging lug hinge joint hole, pedal bend pipe engaging lug is placed in the described hinged groove, and is in the position corresponding to hinged pin-and-hole of pedal pipe and engaging lug hinge hole that hinged ear of pedal pipe and front pole-bracket is hinged by pedal pipe jointed shaft.

also have among the concrete embodiment of the present invention; Described a pair of battery case is fixed on the described battery case connection tube with heeling condition; And incline direction wheel assembly before said tilts towards the direction of said rear wheel assembly; Described battery is a lithium battery, and has a handgrip at the end that leans out battery case, and described a pair of preceding wheel assembly is corresponding to the outside of described front pole-bracket; Stay tube hinged seat before below an end of described a pair of battery case wheel assembly before said, respectively being fixed with one, described a pair of before stay tube towards an end of battery case respectively through preceding stay tube swivel pin and described before the stay tube hinged seat hinged.

more of the present invention and among concrete embodiment, described a pair of before stay tube towards said a pair of before an end of wheel assembly respectively be fixed with one before wheel seat, this preceding wheel seat be connected the axle bed connection; Be fixed on the described front pole-bracket and connect axle bed; Wheel assembly respectively comprises front fork panel seat, front fork plate and front-wheel before a pair of, and on the wheel seat, the front fork plate had a pair of before the front fork panel seat was connected; Be fixed on the front fork panel seat, front-wheel is arranged between a pair of front fork plate rotationally with corresponding to each other.

are in of the present invention and then concrete embodiment; Described rear wheel assembly comprises reducer pedestal, motor, reductor and trailing wheel, and reducer pedestal and described motor mounting are fixed, and motor cooperates with the reductor transmission and is fixed on the reducer pedestal together with motor by reductor; The power output shaft of trailing wheel and reductor is fixed; Motor is furnished with brake, and motor is connected with described controller electrical control, and described battery and controller are electrically connected.

are of the present invention again more and among concrete embodiment; Described pair of armrests respectively is fixed on the handrail tube; Each handrail tube connector on an end of said back support pipe and said back support pipe is fixedly connected; On handrail tube and in the position corresponding to described handrail stay pipe, constitute the hinged ear of a stay pipe, the upper end of handrail stay pipe is hinged through handrail stay pipe pivot and the hinged ear of stay pipe, and the lower end of handrail stay pipe constitutes a handrail stay pipe hinged seat; Corresponding both sides at described chair seat frame respectively are fixed with an axle bed, and said stay pipe hinged seat is hinged through hinging pin shaft and axle bed.

are in again of the present invention and then concrete embodiment; Respectively be fixed with an ear seat at described chair seat frame towards the corresponding both sides of an end of said pedal; On described a pair of battery case and in the position corresponding to axle ear seat, respectively be fixed with an ear, the axle ear is hinged through axle ear bearing pin and said axle ear seat.

technical scheme provided by the invention since the chair back through the back support pipe and chair seat frame is hinged and hinged with back pole-bracket; And back pole-bracket is hinged with the front pole-bracket that is connected with pedal; And handrail is hinged through handrail stay pipe and chair seat frame, thereby in the time will folding, only need drag the line that is pulled; Make chair seat frame and a pair of back support pipe annexation that unlocks; Thereby chair seat frame, the chair back and pedal three are folded, and can make the volume compression of short transverse can make the reduced distances of long side direction again, help practicing thrift collection space.

Description of drawings

Fig. 1 is the embodiments of the invention structure chart.

Fig. 2 is the side view of Fig. 1.

Fig. 3 is in the sketch map in the folding process for the present invention.

The sketch map of Fig. 4 folding back collecting state for the present invention is in.

The specific embodiment

can be expressly understood technical spirit of the present invention and beneficial effect more for the auditor that the makes Patent Office especially public; The applicant general elaborates with the mode of embodiment below; But the description to embodiment all is not the restriction to the present invention program, any according to the present invention design done only for pro forma but not substantial equivalent transformation all should be regarded as technical scheme category of the present invention.

see also Fig. 1 and Fig. 2; Provided the chair seat frame 1 of frame-like structure; Chair seat frame 1 be under the user mode towards on a side be fixed with a seat support 11, generally below corresponding to seat support 11 or below chair seat frame 1, be equipped with a controller, though controller is not shown at present embodiment; But can understand according to known technology; Middle part in the corresponding both sides of chair seat frame 1 respectively is fixed with an axle bed 13, and is respectively offering a lock pin holes 15 in the corresponding both sides towards an end of the following chair back 2 that is about to describe, and between pair of locking pin-and-hole 15, is equipped with a backguy 12; The two ends of backguy 12 respectively have a stop pin 121, and stop pin 121 is placed in lock pin holes 15 and leans out lock pin holes 15.Respectively be fixed with an ear seat 14 at chair seat frame 1 towards the corresponding both sides of an end of the following pedal that equally also will describe 3.

above mentioned chair back 2 is fixed on the back support pipe 21; In the present embodiment; What the chair back 2 adopted is the cloth sheet structure that submissive material is processed; Coat sponge or materials similar but also can adopt, therefore can not limit technology contents of the present invention with the variation of the chair back 2.Again; The shape of the chair back pipe 22 that provides is the n shape structure of an English alphabet in the present embodiment; Yet as description to the chair back 2; This chair back pipe 22 can have various variations equally, as long as satisfy the hinged requirement that two side lower parts of chair back pipe 22 are able to a fixing position-limit foot 221 and satisfied and back support pipe 21.By shown in Figure 1, be that end offers a chair back tubular axis hole 22 in the bottom of chair back pipe 22, aforesaid position-limit foot 221 preferred bottoms of adopting welding manner to be fixedly welded on chair back pipe 22, and its shape is fan-shaped substantially.

The upper end of back support pipe 21 constitutes connector 211 on the chair back pipe; On connector 211 on this chair back pipe, has a swivel pin through hole 2111; This swivel pin through hole 2111 is relative with aforesaid chair back tubular axis hole 222; Insert chair back tubular axis holes 222 and limits on first nut 2222 passing swivel pin through hole 2111 backs with swivel pin 2221, thus the upper end of chair back pipe 22 and back support pipe 21 is hinged.The lower end of back support pipe 21 constitutes connector 212 under the back support pipe; And be fixed with a returning face plate 213; It is fan-shaped that the shape of this returning face plate 213 is equally, and on this returning face plate 213, offer a returning face plate lock hole 2131 and returning face plate hinge hole 3132.

Screw axis connection axis hole 16 backs that connector 212 is passed on the aforesaid chair seat frame 1 screw axis 2121 under aforesaid chair back rack stay pipe limit with first nut 2122.Aforesaid stop pin 121 probes in the returning face plate lock hole 2131, and aforesaid returning face plate hinge hole 2132 is hinged with back pole-bracket 5.

constitute a back pole-bracket articulated joint 54 at aforesaid back pole-bracket 5 towards an end of back support pipe 21; These back pole-bracket articulated joint 54 usefulness back pole-bracket articulated joint screws 541 and aforesaid returning face plate hinge hole 2132 are hinged, and limit with the 3rd nut 5411.Back pole-bracket 5 constitutes a back pole-bracket axle bed 52 towards an end of front pole-bracket 4; Because back pole-bracket 5 has a pair of; Therefore at this back pole-bracket 5 is fixed with a back pole-bracket connecting rod 53 between an end of front pole-bracket 4, the two ends of back pole-bracket connecting rod 53 are respectively corresponding to back pole-bracket axle bed 52.Specifically; One end of back pole-bracket connecting rod 53 and the back pole-bracket axle bed of one of them back pole-bracket 5 in a pair of back pole-bracket 5 52 are fixing; And the back pole-bracket axle bed 52 of another back pole-bracket 5 in the other end and a pair of back pole-bracket 5 is fixing, on each back pole-bracket axle bed 52, offers one and connects axis hole 521.

aforesaid a pair of front pole-bracket 4 respectively constitutes a front pole-bracket axle bed 41 towards an end of back pole-bracket 5; On each front pole-bracket axle bed 41, offer a pivot hole 411, penetrate pivot hole 411 successively with pivot screw 4111 and forward and backward support 4,5 is articulated and connected each other with being connected axis hole 521.Offer a hinged groove 42 at front pole-bracket 4 towards an end of the following pedal that will describe 3, on the corresponding cell wall of hinged groove 42, respectively offer a pedal pipe hinge hole 421, pair of pedals pipe hinge hole 421 corresponds to each other.

aforesaid pedal 3 is fixed on shape and is substantially on the pedal bend pipe 31 of U-shaped of English alphabet; End at the two ends of pedal bend pipe 31 respectively constitutes a pedal bend pipe engaging lug 311; And on each pedal bend pipe engaging lug 311, offer an engaging lug hinge hole 3111, hinged with the pedal bend pipe engaging lug 311 that pedal bend pipe swivel pin 4211 shown in Figure 1 will be inserted in the hinged groove 42 with front pole-bracket 4.Specifically be that pedal bend pipe swivel pin 4211 is inserted pedal bend pipe hinge hole 421 successively with engaging lug hinge hole 3111 and pedal bend pipe 31 and front pole-bracket 4 is hinged.

Fig. 1 and Fig. 2 please be continued to see in ; Provided a pair of battery case 6, this corresponds to each other to battery case 6 and is fixed on the two ends of battery case connection tube 51 with heeling condition, and battery case connection tube 51 is fixed on the aforesaid a pair of back pole-bracket 5; And two ends respectively lean out back pole-bracket 5; In order to ensure the stability of battery case 6, therefore be fixed with an ear 66 towards a side of chair seat frame 1 at each battery case 6, with axle ear bearing pin 661 axle ear 66 is connected with aforesaid axle ear seat 14; Be provided with a battery 61 with pluggable mode in each battery case 6, and battery 61 is a lithium battery.Plug battery 61 for ease, the end that therefore leans out battery case 6 at battery 61 constitutes a grip 611.Shown in figure, the incline direction of battery case 6 is that preceding high back is low, is promptly reduced towards the direction of battery case connection tube 51 by the end towards pedal 3.Battery 61 is electrically connected with aforesaid controller by circuit.Promptly on the end face of an end of the chair back 2, being fixed with a motor mounting 62 on the distal end faces of battery case 6, be equipped with one group of hold-down screw 621 at motor mounting 62.For spacing to aforesaid a pair of back pole-bracket 5; Therefore to respectively being fixed with a limiting block foot 63 on a pair of battery case 6 and in the position to correspond to each other; Stop by 63 pairs of back pole-brackets 5 of limiting block foot, guarantee that forward and backward support 4,5 is illustrated use shape, and guarantee folding direction each other.Stay tube hinged seat 65 a pair of battery case 6 respectively is fixed with one below an end of pedal 3 before; The upper end of stay tube 64 is respectively hinged through preceding stay tube swivel pin 641 and preceding stay tube hinged seat 65 before a pair of; And wheel seat 642 before the lower end of stay tube 64 is fixed with before each; Before wheel seat 642 with is connected axle bed 6421 and connects, and connection axle bed 6421 is fixed on the aforesaid front pole-bracket 4, through screw axis 6422 with preceding wheel seat 642 be connected axle bed 6421 connections.

respectively are provided with a rear wheel assembly 7 on aforesaid pair of electrical support frame 62; This rear wheel assembly 7 comprises reducer pedestal 71, motor 72, reductor 73 and trailing wheel 74; Reducer pedestal 71 is fixing with motor mounting 62 by aforesaid hold-down screw 621; Motor 72 cooperates with reductor 73 transmissions, and is fixed on the reducer pedestal 71 together with motor 72 by reductor 73, and trailing wheel 74 is fixed with the power output shaft of reductor 73.Motor 72 is furnished with a brake 721, and motor 72 is connected with aforesaid controller electrical control by circuit.Preferably, be fixed with a dashboard 67 with dashboard hold-down screw 671 on the battery case 6 and above corresponding to trailing wheel 74.

aforesaid respectively be connected with one on the preceding wheel seat 642 of stay tube 64 before a pair of before wheel assembly 8; Preceding wheel assembly 8 comprises front fork panel seat 81, a pair of front fork plate 82 and front-wheel 83; The top of front fork panel seat 81 is fixed with a rotating shaft 811; This rotating shaft 811 with aforesaid before bearing 6423 on the wheel seat 642 match; And limit limiting nut 8111, a pair of front fork plate 82 is fixing with front fork panel seat 81 by front fork plate hold-down screw 821 with the state that corresponds to each other, and front-wheel 83 is bearing on the front fork plate 82 through the hub spindle 8311 of wheel hub 831 rotationally.

pair of armrests 9 respectively has a handrail tube 93; Be that handrail 9 is fixed on the handrail tube 93; Handrail tube 93 connector 211 on end of back support pipe 21 and back support pipe is fixing; And the below at the nearly middle part of the length direction of handrail tube 93 is fixed with the hinged ear 931 of a stay pipe, and the upper end of handrail stay pipe 91 is hinged through the hinged ear of handrail stay pipe pivot 911 and stay pipe 931, and the lower end of handrail stay pipe 91 constitutes a handrail stay pipe hinged seat 912; By hinging pin shaft 9121 that handrail stay pipe hinged seat 912 is hinged with the axle bed 13 on the aforesaid chair seat frame 1, and preferably with lock nut 9122 lockings.Shown in figure, one of them handrail 9 in the pair of armrests 9 is provided with a remote controller 92, and this remote controller 92 is connected with aforesaid but unshowned in the drawings controller wireless remote control.

see also Fig. 3 and Fig. 4; When will be when changing the folding storage state into by user mode illustrated in figures 1 and 2; As long as the car owner is pulling backguy 12; Make the stop pin 121 at backguy 12 two ends withdraw from the returning face plate lock hole 2131 on the returning face plate 213 of back support pipe 21, the locking between chair seat frame 1 and the back support pipe 21 is disengaged.Because to be connected axis hole 16 by screw axis 2121 and the screw axis of chair seat frame 1 on the side of an end of the chair back 2 hinged for connector 212 under the chair back rack stay pipe of chair back rack stay pipe 21; And back pole-bracket 5 is hinged with the returning face plate hinge hole 2132 on the aforesaid returning face plate 213 by back pole-bracket articulated joint screw 541 towards the back pole-bracket articulated joint 54 of an end of back support pipe 21; And back pole-bracket 5 is hinged with the front pole-bracket axle bed 41 of front pole-bracket 4 towards the back pole-bracket axle bed 52 of an end of front pole-bracket 4; And then because pedal 3 is hinged with front pole-bracket 4 through its pedal bend pipe 31, and pivotal connection in the preceding wheel seat 642 of preceding stay tube 64 lower ends on the battery case 6 be fixed on front pole-bracket 4 on be connected axle bed 642 connections.When handrail stay pipe 91, back support pipe 21 being toppled over towards the direction of chair seat frame 1 to chair back pipe 22 application of forces; Drive back pole-bracket 5 by back support pipe 21; And then by back pole-bracket 5 drive front pole-brackets 4 and by front pole-bracket 4 drive pedals 3 and 8 motions of preceding wheel assembly; Thereby make the present invention develop into folded state shown in Figure 4 from state shown in Figure 2 (user mode) through process shown in Figure 3, whole height and length of taking turns Wheel-chair is all significantly dwindled, thereby very helps the collection keeping

Claims

1. a kind of electric wheel-chair vehicle is characterized in that being included under the user mode chair seat frame (1) that is installed with seat support (11) towards a last side; One chair back (2), each pivotal connection of both sides of this chair back (2) has an end of a back support pipe (21), and the other end of a pair of back support pipe (21) is hinged towards the corresponding both sides of an end of the chair back (2) with said chair seat frame (1); One pedal (3), a pair of front pole-bracket (4) and a pair of back pole-bracket (5); Pedal (3) is hinged with an end of a pair of front pole-bracket (4); And be positioned between the said end of a pair of front pole-bracket (4); One end of the other end of a pair of front pole-bracket (4) and a pair of back pole-bracket (5) is hinged; And the other end of a pair of back pole-bracket (5) and described a pair of back support pipe (21) pivotal connection, wherein: be fixed with a battery case connection tube (51) between a pair of back pole-bracket (5) and below being positioned at, these two ends to battery case connection tube (51) lean out the sidepiece of said chair seat frame (1); A pair of battery case (6); This is fixed one of them battery case (6) in the battery case (6) and an end of said battery case connection tube (51); And another battery case (6) is fixed with the other end of battery case connection tube (51); Be provided with a battery (61) with pluggable mode in each battery case (6); And on the end face of an end of the said chair back (2), be fixed with a motor mounting (62) at each battery case (6), be connected with a rear wheel assembly (7) on each motor mounting (62), at the middle part of each battery case (6) and be fixed with one towards a side of said back pole-bracket (5) and be used for the limiting block foot (63) spacing rear support stand (5); Towards each pivotal connection of an end of said pedal (3) one end of stay tube before (64) is arranged at a pair of battery case (6), wheel assembly (8) before the other end of stay tube (64) is connected with before each; Pair of armrests (9); This end and described back support pipe (21) to handrail (9) is fixing; And the middle part is hinged with the upper end of a handrail stay pipe (91); The lower end of handrail stay pipe (91) is connected with described chair back rack (1); Wherein: be provided with one towards the end of an end of the said chair back (2) at said chair seat frame (1) and be used for the backguy (12) of chair seat frame (1) with said back support pipe (21) locking or release; This backguy (12) matches with back support pipe (21), appointing in the described pair of armrests (9) select a handrail (9) be provided with one with the below that is arranged on chair seat frame (1) be used to control the remote controller (92) that rear wheel assembly (7) is walked or the controller controlled in wireless that stops is connected.

2. electric wheel-chair vehicle according to claim 1; It is characterized in that the described chair back (2) has the chair back pipe (22) that a shape is the n shape of English alphabet; The chair back (2) is fixed on the chair back pipe (22); Two ends end face at chair back pipe (22) respectively is fixed with a position-limit foot (221) and offers a chair back tubular axis hole (222); Described back support pipe (21) constitutes connector (211) on the back support pipe towards an end of chair back pipe (22); Connector (211) and said chair back pipe (22) are hinged on this back support pipe, and back support pipe (21) constitutes under the back support pipe connector (212) and is fixed with a returning face plate (213) towards an end of said back pole-bracket (5), and connector under the back support pipe (212) and said chair seat frame (1) are hinged; And returning face plate (213) is hinged with described back pole-bracket (5); Described backguy (12) matches with described returning face plate (213), and connector (211) is fixing on described handrail (9) and the said back support pipe, and the outside of the said lower end of described handrail stay pipe (91) and said chair seat frame (1) is hinged.

3. electric wheel-chair vehicle according to claim 2; It is characterized in that on described returning face plate (213), offering a returning face plate lock hole (2131) and a returning face plate hinge hole (2132); The two ends of described backguy (12) respectively have a stop pin (121); Stop pin (121) matches with returning face plate lock hole (2131), and returning face plate hinge hole (2132) is hinged with described back pole-bracket (5).

4. electric wheel-chair vehicle according to claim 1; It is characterized in that respectively constituting a back pole-bracket axle bed (52) towards an end of said front pole-bracket (4) at described a pair of back pole-bracket (5); Between this is to back pole-bracket axle bed (52), be fixed with a back pole-bracket connecting rod (53); Described a pair of front pole-bracket (4) respectively constitutes a front pole-bracket axle bed (41) towards an end of back pole-bracket (5); Front pole-bracket axle bed (41) is hinged with back pole-bracket axle bed (52); A pair of front pole-bracket (4) respectively offers a hinged groove (42) towards an end of said pedal (3), on a pair of cell wall of hinged groove (42) and in the position to correspond to each other, respectively offers a pedal pipe hinge hole (421).

5. electric wheel-chair vehicle according to claim 4; It is characterized in that described pedal (3) is fixed on the middle part of pedal bend pipe (31) that a shape is the U-shaped of English alphabet; The two ends of pedal bend pipe (31) respectively constitute a pedal bend pipe engaging lug (311); On pedal bend pipe engaging lug (311), offer engaging lug hinge joint hole (3111); Pedal bend pipe engaging lug (311) is placed in the described hinged groove (42), and is in the position corresponding to hinged pin-and-hole of pedal pipe (421) and engaging lug hinge hole (3111) that hinged ear of pedal pipe (311) and front pole-bracket (4) is hinged by pedal pipe jointed shaft (4211).

6. electric wheel-chair vehicle according to claim 1; It is characterized in that described a pair of battery case (6) is fixed on the described battery case connection tube (51) with heeling condition; And incline direction wheel assembly (8) before said tilts towards the direction of said rear wheel assembly (7); Described battery (61) is a lithium battery; And has a handgrip (611) at the end that leans out battery case (6); Described a pair of before wheel assembly (8) corresponding to the outside of described front pole-bracket (4), stay tube hinged seat (65) the below of described a pair of battery case (6) end of wheel assembly (8) towards said before respectively is fixed with before, described a pair of before stay tube (64) towards an end of battery case (6) respectively pass through preceding stay tube swivel pin (641) and described before stay tube hinged seat (65) hinged.

7. electric wheel-chair vehicle according to claim 6; It is characterized in that described a pair of before stay tube (64) towards said a pair of before an end of wheel assembly (8) respectively be fixed with a preceding wheel seat (642); Be somebody's turn to do preceding wheel seat (642) and be connected axle bed (6421) connection, be fixed on the described front pole-bracket (4) and connect axle bed (6421), a pair of preceding wheel assembly (8) respectively comprises front fork panel seat (81), front fork plate (82) and front-wheel (83); Front fork panel seat (81) is connected on the preceding wheel seat (642); Front fork plate (82) has a pair of, is fixed on the front fork panel seat (81) with corresponding to each other, and front-wheel (83) is arranged between a pair of front fork plate (82) rotationally.

8. electric wheel-chair vehicle according to claim 1; It is characterized in that described rear wheel assembly (7) comprises reducer pedestal (71), motor (72), reductor (73) and trailing wheel (74); Reducer pedestal (71) is fixing with described motor mounting (62); Motor (72) cooperates with reductor (73) transmission and is fixed on the reducer pedestal (71) together with motor (72) by reductor (73), and trailing wheel (74) is fixed with the power output shaft of reductor (73), and motor (72) is furnished with brake (721); And motor (72) is connected with described controller electrical control, and described battery (61) is electrically connected with controller.

9. electric wheel-chair vehicle according to claim 2; It is characterized in that described pair of armrests (9) respectively is fixed on the handrail tube (93); Each handrail tube (93) connector (211) on an end of said back support pipe (21) and said back support pipe is fixedly connected; Upward and in position constitute the hinged ear of a stay pipe (931) at handrail tube (93) corresponding to described handrail stay pipe (91); The upper end of handrail stay pipe (91) is hinged through handrail stay pipe pivot (911) and the hinged ear of stay pipe (931); The lower end of handrail stay pipe (91) constitutes a handrail stay pipe hinged seat (912), respectively is fixed with an axle bed (13) in the corresponding both sides of described chair seat frame (1), and said stay pipe hinged seat (912) is hinged through hinging pin shaft (9121) and axle bed (13).

10. Electric wheel-chair vehicle according to claim 1; It is characterized in that respectively being fixed with an ear seat (14) towards the corresponding both sides of an end of said pedal (3) at described chair seat frame (1); Upward and in the position corresponding to axle ear seat (14) respectively be fixed with an ear (66) at described a pair of battery case (6), an axle ear (66) is hinged with said ear seat (14) through axle ear bearing pin (661)