CN103767838A - Electric wheelchair - Google Patents

Abstract

The invention relates to an electric wheelchair, which belongs to the technical field of articles for daily use. The electric wheelchair comprises a car body and an electric mechanism, and is characterized in that a chair seat frame of the car body is fixedly provided with a padlock installation frame corresponding to the position below a chair seat, and the padlock installation frame is provided with a padlock mechanism; an electric traveling wheel support of the electric mechanism is fixedly provided with an electric traveling wheel support locking mechanism corresponding to the position of the padlock mechanism, and the electric traveling wheel support locking mechanism is matched with the padlock mechanism. When the electric traveling wheel support locking mechanism is locked by the padlock mechanism, the car body is connected with the electric mechanism into a whole, so that the electric wheelchair can travel automatically in an electric driving manner; otherwise, the electric mechanism is separated from the car body, the car body acts independently, so that the requirement of a user on flexibility in selection can be met.

Description

Electric wheel-chair vehicle

Technical field

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

Background technology

Electric wheel-chair vehicle is called again electric wheelchair for short, is the instrument that the special population such as people with disability, old and weak person, the person of walking with difficulty, limbs wounded body and medical clinical rehabilitation patient is ridden instead of walk.The macrostructure of electric wheel-chair vehicle is known, particularly comprise car body and motor drive mechanism, car body comprises vehicle frame, wheel (a pair of front-wheel and pair of rear wheels), seat support, the chair back and handrail, and motor drive mechanism comprises electric walking wheel support, controller and a pair of electric walking travelling wheel.In disclosed Chinese patent literature, is no lack of the technical information about electric wheel-chair vehicle, as Granted publication CN2745544Y(multifunctional electric wheelchair), CN201379725Y(keep away barrier electric wheel-chair vehicle), CN101589979B(multifunctional electric wheelchair), CN201684098U(electric wheel-chair vehicle), CN202198767U(four-wheel electric motor car), CN202682214U(electric wheelchair), CN202682215U(electric wheel-chair vehicle) and the anti-tipping backwards electric wheel-chair vehicle of CN103202748A(), etc.

Although the above-mentioned patent and/or the patent application scheme that are not limited to exemplify have corresponding technique effect separately, but there is following logical fraud: due to car body and motor drive mechanism be bonded to each other be integrated both can not be according to the overall structure that need shirk, thereby the motility and the selectivity that use are affected to a certain extent, because the function of motor drive mechanism is to embody the automatic walking of electric wheel-chair vehicle and meets corresponding speed of travel requirement, but in many situations without using motor drive mechanism, for example take advantage of the patient on electric wheel-chair vehicle (also to claim outdoor) to go sightseeing out of doors when accompanying electric wheel-chair vehicle by entourage and pushing away to sit, visit, when stroll state is low advanced, not only motor drive mechanism does not have effect so, cause manual implementation effort because having increased the weight of car body on the contrary, even can be looked motor drive mechanism for burden by user.

Perhaps based on above-mentioned logical fraud, in aforesaid special population, be equipped with (simultaneously purchasing) wheel-chair with motor drive mechanism and the situation of the wheel-chair with motor drive mechanism is not rarely seen simultaneously, although can meeting user, this coping style selects flexibly requirement, but objectively not only increase acquisition expenses, and caused trouble to the daily non-working condition that is concealed in.

In view of above-mentioned prior art, be necessary to be improved, for this reason, the applicant has done useful design, finally formed technical scheme described below, and taked to have made simulation test in the test chamber of the applicant plant area under secrecy provision, it is practicable that result proves.

Summary of the invention

Task of the present invention is to provide a kind of and contributes to make car body and motor drive mechanism form each other detachable connection relation and use to meet the electric wheel-chair vehicle that the flexible selection of user requires.

Task of the present invention completes like this, a kind of electric wheel-chair vehicle, comprise car body and motor drive mechanism, car body comprises a front wheel carrier, one rear wheel frame, one chair seat frame, one chair back rack, one seat support, one chair back, a pair of front-wheel, pair of rear wheels, pair of armrests and a footrest rack, front wheel carrier is towards the lower hinge of one end of chair back rack and the short transverse of chair back rack, chair seat frame is hinged towards one end and the chair back rack of chair back rack, and simultaneously hinged with rear wheel frame, seat support is fixed on chair seat frame, the chair back is fixed on chair back rack, a pair of front-wheel is arranged on respectively the corresponding both sides that front wheel carrier deviates from one end of chair back rack rotationally, pair of rear wheels is arranged on the corresponding both sides that rear wheel frame deviates from one end of chair seat frame rotationally, pair of armrests is separately positioned on the corresponding both sides of the middle position of front wheel carrier, and simultaneously corresponding with the both sides of described seat support, footrest rack is hinged on front wheel carrier, and between described a pair of front-wheel, described motor drive mechanism comprises electric walking wheel support, controller and a pair of electric walking travelling wheel, controller is found a place on electric walking wheel support, a pair of electric walking travelling wheel is arranged on respectively the both sides of electric walking wheel support rotationally with the state corresponding to each other, be characterised in that: on described chair seat frame and be fixed with a padlock installing rack corresponding to the position below described seat support, on this padlock installing rack, be provided with a locking mechanism, on described electric walking wheel support and be fixed with an electric walking wheel support locking mechanism corresponding to the position of locking mechanism, this electric walking wheel support locking mechanism matches with locking mechanism, and in the time that locking mechanism locks electric walking wheel support locking mechanism, described car body is connected with motor drive mechanism, and in the time that locking mechanism is removed the locking of electric walking wheel support locking mechanism, described car body separates with motor drive mechanism and uses motor drive mechanism is withdrawn in car body.

In a specific embodiment of the present invention, described front wheel carrier comprises a pair of front-wheel boom pipe, one front wheel carrier front support pipe and a front wheel carrier rear supporting tube, a pair of front-wheel boom pipe is parallel, wherein front-wheel boom pipe in this pair of front-wheel boom pipe is corresponding to the side-lower of a side of described chair seat frame, and another root front-wheel boom pipe in a pair of front-wheel boom pipe is corresponding to the side-lower of the opposite side of chair seat frame, and this pair of front-wheel boom pipe forms and has a front-wheel hold-down arm towards one end of described front-wheel bending, and be respectively provided with a handrail bindiny mechanism in the middle position of the length direction of a pair of front-wheel boom pipe, a pair of front-wheel boom pipe is towards the lower hinge of one end of described chair back rack and the short transverse of chair back rack, between described front-wheel hold-down arm and front-wheel boom pipe, be fixedly connected with a front-wheel hold-down arm stay pipe, front wheel carrier front support pipe and front wheel carrier rear supporting tube are parallel, and be fixedly connected with towards one end of front-wheel hold-down arm with described front-wheel hold-down arm stay pipe, one of them front-wheel in described a pair of front-wheel is arranged on the wherein end of the described front-wheel hold-down arm of a front-wheel boom pipe in a pair of front-wheel boom pipe rotationally, and another front-wheel in a pair of front-wheel is arranged on the end of the front-wheel hold-down arm of another root front-wheel boom pipe in a pair of front-wheel boom pipe rotationally, described footrest rack is hinged on the middle position of the length direction of described front wheel carrier front support pipe, described front wheel carrier rear supporting tube is corresponding to the rear side of front wheel carrier front support pipe, and on this front wheel carrier rear supporting tube, be equipped with a pair of chair seat frame buffer gear, this a pair of chair seat frame buffer gear is connected towards one end of described footrest rack with described chair seat frame, described pair of armrests coordinates with described handrail bindiny mechanism plug, described rear wheel frame comprises pair of rear wheels hold-down arm, stay pipe and a trailing wheel hold-down arm lower support pipe on one trailing wheel hold-down arm, pair of rear wheels hold-down arm corresponds to each other, on trailing wheel hold-down arm stay pipe and trailing wheel hold-down arm lower support pipe with the stateful connection of self correspondence between pair of rear wheels hold-down arm, one of them trailing wheel in described pair of rear wheels is arranged on the end of one of them the trailing wheel hold-down arm in pair of rear wheels hold-down arm rotationally, and another trailing wheel in pair of rear wheels is arranged on the end of another trailing wheel hold-down arm in pair of rear wheels hold-down arm rotationally, described locking mechanism is fixed on the middle part of described padlock installing rack, bottom at described electric walking wheel support forms and has a pair of shock-absorbing frame holder support column with parallel state, on this pair of shock-absorbing frame holder support column and towards on a side be fixed with a pair of shock-absorbing frame holder, this a pair of shock-absorbing frame holder is mutually corresponding, at a side of a pair of shock-absorbing frame holder and opposite side and be respectively provided with a shock-absorbing frame with cantilever position pivot in corresponding position, on shock-absorbing frame, be provided with shock absorber, the top of shock absorber and electric walking wheel support is hinged, and on shock-absorbing frame, be also provided with motor fixing seat, described a pair of electric walking travelling wheel is respectively furnished with motor and decelerator, motor is connected with described controller electrical control, and coordinate with decelerator transmission, motor is fixed in described motor fixing seat together with decelerator, motor road wheel is fixedly connected with the reducer output shaft of decelerator by the wheel hub connecting shaft dish of its wheel hub, wherein: described motor is furnished with brake, brake is connected with controller electrical control, on one of them handrail in described pair of armrests, be equipped with a manual operation controller, this manual operation controller is connected with described controller electrical control, described electric walking wheel support locking mechanism is fixed on the middle position at the top of described electric walking wheel support, on described chair back rack, be provided with a release mechanism, this release mechanism is connected with described locking mechanism.

In another specific embodiment of the present invention, described chair seat frame has a chair seat frame stay pipe towards one end of described chair back rack, short transverse at described chair back rack forms successively and has a chair back rack upper support bar from top to bottom and with interval state, one chair back rack middle studdle and a chair back rack lower support bar, described release mechanism is arranged on chair back rack stay pipe, chair back rack intermediate supports pipe and chair back rack lower support pipe three appoint and select on one, and on chair back rack lower support pipe, be provided with for by the locking of chair back rack and described rear wheel frame or the rear wheel frame locking mechanism that unlocks, this rear wheel frame locking mechanism matches with stay pipe on described trailing wheel hold-down arm, described rear wheel frame locking mechanism comprises lock arm and reset tension spring, the upper end of lock arm is pivotally connected on described chair back rack lower support pipe, the lower end of lock arm forms a rear wheel frame lock pawl, rear wheel frame lock pawl is corresponding with stay pipe on described rear wheel frame hold-down arm and match with stay pipe on rear wheel frame hold-down arm, one end and the lock arm of reset tension spring are fixed, the other end and described chair seat frame are fixed.

In another specific embodiment of the present invention, middle part at the length direction of described front wheel carrier front support pipe is fixed with a pair of footrest rack hinged seat with the state corresponding to each other, described footrest rack has the hinged ear of a footrest rack towards the each formation in the corresponding both sides of one end of front wheel carrier front support pipe, on the hinged ear of footrest rack, offer one group of hinged adjusting hole of the hinged ear of footrest rack with interval state, by the hinged ear hinging pin shaft of footrest rack in the position corresponding to the hinged adjusting hole of the hinged ear of footrest rack by hinged to hinged footrest rack ear and described footrest rack hinged seat, described footrest rack is configured to free end away from one end of front wheel carrier front support pipe, and be provided with a shank gear pillar at this each pivot in free-ended corresponding both sides, described a pair of front-wheel boom pipe has the hinged ear of a front-wheel boom pipe towards the each formation in the end, one end of described chair back rack, have chair back rack lower hinge ear and form in the bottom of the short transverse of described chair back rack and in the position corresponding to the hinged ear of front-wheel boom pipe, this chair back rack lower hinge ear is hinged by chair back rack lower hinge ear bearing pin and the hinged ear of front-wheel boom pipe, form towards one end of chair back rack at described chair seat frame and have on a chair seat frame hinged ear under hinged ear and a chair seat frame, and the position of hinged ear forms and has a chair back rack back flap hinge lug on chair back rack and on corresponding to chair seat frame, this chair back rack back flap hinge lug is hinged by hinged ear on chair back rack back flap hinge lug bearing pin and chair seat frame, on described pair of rear wheels hold-down arm and under corresponding to described chair seat frame the position of hinged ear each form have a trailing wheel hold-down arm back flap hinge lug, this trailing wheel hold-down arm back flap hinge lug is hinged by hinged ear under trailing wheel hold-down arm back flap hinge lug lock shaft and described chair seat frame.

In another specific embodiment of the present invention, on described trailing wheel hold-down arm lower support pipe and be equipped with a Foldable hanging hook corresponding to the position of described padlock installing rack, this Foldable hanging hook matches with padlock installing rack.

Also have in a specific embodiment of the present invention, described electric walking wheel support locking mechanism comprises padlock ring support plate and padlock circle, the top of padlock ring support plate and described electric walking wheel support is fixed, padlock circle is fixed on the middle position of padlock ring support plate, and corresponding with the described locking mechanism at middle part that is fixed on described padlock installing rack; Described release mechanism comprises release handle bracket, release handgrip and traction steel wire, release handle bracket is fixed on described chair back rack, release handgrip is pivotally connected on release handle bracket, and one end of traction steel wire is connected with release handgrip, and the other end of traction steel wire is connected with locking mechanism.

More of the present invention and in a specific embodiment, at the two ends of described padlock ring support plate and be respectively fixed with an elastic insert piece towards a side surface of described padlock installing rack, the two ends of described padlock installing rack contact with elastic insert piece, and elastic insert piece is nylon block or block rubber.

In of the present invention and then a specific embodiment, described locking mechanism comprises first, the second padlock holder, padlock box, unlocking board axle, lockplate axle, unlocking board, lockplate, padlock lid, unlocking board driving lever, torsion spring and Compress Spring, first, the second padlock holder corresponds to each other, and fix with described padlock installing rack, padlock box is fixed on first, between the second padlock holder, the padlock box chamber of this padlock box is towards the first padlock holder, and form and have a padlock circle slot to make way on this padlock box, middle position and this padlock circle slot to make way that this padlock circle slot to make way is positioned at the length direction of padlock box connect to the bottom of padlock box, on padlock box and in the position corresponding to below unlocking board axle, form and have a unlocking board driving lever sliding tray, padlock lid is chimeric fixing in the position corresponding to padlock box chamber and padlock box, middle position at the length direction on the top of this padlock lid offers a padlock lid lockplate resigning hole, this padlock lid lockplate resigning hole and the padlock box lockplate of middle position of length direction on top that the is formed in padlock box chamber of stepping down is corresponding, on padlock lid and offering shape and the size padlock lid padlock circle slot to make way consistent with padlock circle slot to make way corresponding to the position of described padlock circle slot to make way, unlocking board axle is corresponding to one end of padlock box, and be bearing between padlock box and padlock lid, lockplate axle is corresponding to the other end of padlock box, and be bearing in equally between padlock box and padlock lid, the upper end of unlocking board offers a unlocking board axis hole, this unlocking board axis hole is nested with rotationally on unlocking board axle, and the lower end of unlocking board is configured to free end and formation has a locking boss, also offer a connecting thread head screw in the lower end of unlocking board, the upper end of lockplate offers a lockplate axis hole, this lockplate axis hole is nested with rotationally on lockplate axle, and the lower end of lockplate is configured to free end, and form and have a padlock circle to probe into groove and a locking boss mating flanges at this free end, this locking boss mating flanges matches with described locking boss, unlocking board driving lever forms and has a diameter to be less than the driving lever sliding axle of the diameter of unlocking board driving lever with narrow contracting state towards one end of described unlocking board driving lever sliding tray, this driving lever sliding axle and unlocking board driving lever sliding tray are slidably matched, and form and have a Compress Spring supporting base towards a side of Compress Spring at this driving lever sliding axle, there is a driving lever sliding axle connecting thread head and form at driving lever slip the tip of the axis, this driving lever sliding axle connecting thread head is threaded with described connecting thread head screw, torsion spring is nested with on described unlocking board axle, and between lockplate and padlock box, the first torsion spring foot of this torsion spring is kept out on lockplate, and the second torsion spring foot of torsion spring probes in the torsion spring foot locating hole being opened on padlock box, Compress Spring is arranged in described unlocking board driving lever sliding tray, one end of this Compress Spring is bearing in the Compress Spring support seat being formed in unlocking board driving lever sliding tray, and the other end of Compress Spring is bearing on described Compress Spring supporting base, described other end end and the unlocking board driving lever of the traction steel wire of described release mechanism are fixed, described padlock circle matches probeing into groove corresponding to the position of padlock circle slot to make way and padlock lid padlock circle slot to make way with described padlock circle, and by lockplate to its locking or unlock.

Of the present invention again more and in a specific embodiment, described handrail bindiny mechanism comprises intermediate plate holder, intermediate plate and spanner, intermediate plate holder is fixed on the middle position of the length direction of described front-wheel boom pipe, and offer an intermediate plate holder adjustment tank in one end of this intermediate plate holder, the other end offers an intermediate plate holder screw hole, intermediate plate has face each other and coordinate a pair of, in one end of intermediate plate and offering a pinching screw through hole corresponding to the position of intermediate plate holder adjustment tank, the other end of intermediate plate and offering intermediate plate fixing screw hole corresponding to the position of intermediate plate holder screw hole, on this intermediate plate fixing screw hole, be equipped with an intermediate plate hold-down screw, this intermediate plate hold-down screw is through limiting nut and limit after intermediate plate fixing screw hole and then through intermediate plate holder screw hole and by screwing intermediate plate hold-down screw on intermediate plate hold-down screw, the middle part of intermediate plate forms a handrail tube jack, there is a pinching screw one end of spanner by pinching screw bearing pin is pivotally connected, this pinching screw is equipped with pinching screw restriction nut after successively through pinching screw through hole and intermediate plate holder adjustment tank, described pair of armrests respectively has a handrail tube, handrail tube coordinates with described handrail tube jack plug.

In again of the present invention and then a specific embodiment, described a pair of chair seat frame buffer gear respectively comprises a buffer spring post and a buffer spring, buffer spring post is hinged towards one end and the chair seat frame of described chair seat frame, and buffer spring post is hinged towards one end and the front wheel carrier rear supporting tube of described front wheel carrier rear supporting tube, buffer spring is nested with on buffer spring post, wherein: be fixed with a buffer spring upper branching holder towards one end of chair seat frame at buffer spring post, and be fixed with a buffer spring lower bearing support towards one end of front wheel carrier rear supporting tube at buffer spring post, one end of described buffer spring is bearing on buffer spring upper branching holder, and the other end is bearing on buffer spring lower bearing support.

Technical scheme provided by the invention is owing to being fixed with a padlock installing rack on chair seat frame, and be provided with locking mechanism on padlock installing rack, and on the electric walking wheel support of motor drive mechanism and be fixed with an electric walking wheel support locking mechanism corresponding to the position of locking mechanism, thereby in the time that locking mechanism locks electric walking wheel support locking mechanism, car body is connected as a whole with motor drive mechanism and can makes electric wheelchair automatically walk in electric drive mode, otherwise, motor drive mechanism can be separated with car body, car body independent action, thereby can meet the flexible choice for use requirement of user.

Accompanying drawing explanation

Fig. 1 is embodiments of the invention schematic diagram.

Fig. 2 is the detailed structure view that removes the aftercarriage of the motor drive mechanism shown in Fig. 1.

Fig. 3 is the detailed structure view of the motor drive mechanism shown in Fig. 1.

Fig. 4 is the detailed structure view of the locking mechanism shown in Fig. 1 and Fig. 2.

Fig. 5 is the schematic diagram of the locking mechanism shown in Fig. 4 in padlock state.

Fig. 6 is that the locking mechanism shown in Fig. 4 is in removing the schematic diagram of padlock state.

Fig. 7 is the schematic diagram after the locking mechanism shown in Fig. 1 locks electric walking wheel support locking mechanism.

Fig. 8 is the schematic diagram of the car body shown in Fig. 1 in folded state.

The specific embodiment

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

Every directivity concept that relates to up, down, left, right, before and after, top (top) and bottom (bottom) and so on is all residing location status of figure of being described in the following description, object is to facilitate the public to understand, thereby can not be regarded as and/or be interpreted as the specific limited to technology contents of the present invention.

Refer to Fig. 1 and Fig. 2, in Fig. 1, provide a car body 1 and this motor drive mechanism 2 of a motor drive mechanism 2(also can be described as electric walking mechanism, as follows), with regard to the structural system of car body 1, this car body 1 comprises a front wheel carrier 11, one rear wheel frame 12, one chair seat frame 13, one chair back rack 14, one seat support 15a, one chair back 15b, a pair of front-wheel 16, pair of rear wheels 17, pair of armrests 18 and a footrest rack 19, front wheel carrier 11 is towards the lower hinge of one end of chair back rack 14 and the short transverse of chair back rack 14, chair seat frame 13 is articulated and connected towards one end and the chair back rack 14 of chair back rack 14, and this chair seat frame 13 is also articulated and connected with rear wheel frame 12 simultaneously, seat support 15a also can be described as seat cushion, and preferably use elastomeric material to make, for example, at sponge or similar material outer cladding fabric, fabric is as cloth, artificial leather or corium, etc., whole seat support 15a is fixed on chair seat frame 13.The material of chair back 15b is as the description to seat support 15a, and is fixed on the side of chair back rack 14 towards seat support 15a.A pair of front-wheel 16 all adopts universal wheel, and is arranged on rotationally respectively the corresponding both sides that aforementioned front wheel carrier 11 deviates from one end of (here the alleged concept deviating from refer to away from) chair back rack 14.Pair of rear wheels 17 is selected equally with universal wheel, and this pair of rear wheels 17 is arranged on the corresponding both sides that rear wheel frame 12 deviates from one end of chair seat frame 13 rotationally, and pair of rear wheels 17 is corresponding with a pair of front-wheel 16 substantially.Pair of armrests 18 is separately positioned on the corresponding both sides of the middle position of front wheel carrier 11, and simultaneously corresponding with the both sides of seat support 15a, that is to say one of them handrail in pair of armrests 18 side corresponding to seat support 15a, another handrail in pair of armrests 18 is corresponding to the opposite side of seat support 15a.Footrest rack 19 is hinged at front wheel carrier 11 towards one end of a pair of front-wheel 16 and between corresponding to a pair of front-wheel 16.

Refer to Fig. 3 and in conjunction with Fig. 1 and Fig. 2, with regard to the structural system of aforesaid motor drive mechanism 2, this motor drive mechanism 2 comprises electric walking wheel support 21, controller 22 and a pair of electric walking travelling wheel 23, controller 22 is found a place on electric walking wheel support 21, a pair of electric walking travelling wheel 23 is arranged on respectively the both sides of electric walking wheel support 21 rotationally with the state corresponding to each other, it is the side that one of them electric walking travelling wheel in a pair of electric walking travelling wheel 23 is arranged on electric walking wheel support 21 rotationally, and another electric walking travelling wheel in a pair of electric walking travelling wheel 23 is arranged on the opposite side of electric walking wheel support 21 rotationally, and this pair of electric walking travelling wheel 23 is mutually corresponding.Enabling under the state of motor drive mechanism 2, a pair of electric walking travelling wheel 23 is between a pair of front-wheel 16 and pair of rear wheels 17.

Technical essential as technical scheme provided by the invention: on aforesaid chair seat frame 13 and below corresponding to seat support 15a the back corresponding to seat support 15a (back refer under using state towards under a side) position be fixed with a padlock installing rack 131, padlock installing rack 131 preferably adopts a pair of metal tube parallel and that interconnect to fill the post of, and is provided with a locking mechanism 3 on padlock installing rack 131.As shown in Figure 2, the middle part of the length direction of padlock installing rack 131 is to lower recess, and locking mechanism 3 is arranged on this depression position.On aforesaid electric walking wheel support 21 and be fixed with an electric walking wheel support locking mechanism 4 corresponding to the position of locking mechanism 3, this electric walking wheel support locking mechanism 4 matches with locking mechanism 3.In the time that locking mechanism 3 locks electric walking wheel support locking mechanism 4, that is to say and be locked to each other while being connected when locking mechanism 3 and electric walking wheel support locking mechanism 4, car body 1 is connected with motor drive mechanism 2 and forms as a whole so; Otherwise in the time that locking mechanism 3 releasings are connected with the locking of electric walking wheel support locking mechanism 4, car body 1 separates with motor drive mechanism 2 so, and obtains so that motor drive mechanism 2 is withdrawn in car body 1.When in the time that the relation between locking mechanism 3 and electric walking wheel support locking mechanism 4 shows as front a kind of situation, locking is connected mutually, the present invention has just embodied electric wheel-chair vehicle worthy of the name so, because can order about car body 1 by motor mechanism 2 walks automatically, in the time that the relation between locking mechanism 3 and electric walking wheel support locking mechanism 4 shows as rear a kind of situation, mutually unlock while connection, electric wheel-chair vehicle just develops into Manual wheelchair vehicle so, can by the person of accompanying and attending to pushing away the patient that is sitting on seat support 15a out of doors (outdoor) low walk with the stroll state of going sightseeing, thereby confirm the technique effect referring in the superincumbent technique effect of applicant hurdle.

Please see Fig. 2 by emphasis, aforesaid front wheel carrier 11 comprises a pair of front-wheel boom pipe 111, one front wheel carrier front support pipe 112 and a front wheel carrier rear supporting tube 113, a pair of front-wheel boom pipe 111 is parallel, wherein front-wheel boom pipe in this pair of front-wheel boom pipe 111 is corresponding to the side-lower of a side of aforementioned chair seat frame 13, and another root front-wheel boom pipe in a pair of front-wheel boom pipe 111 is corresponding to the side-lower of the opposite side of chair seat frame 13, and this pair of front-wheel boom pipe 111 forms and has a front-wheel hold-down arm 1111 towards one end of aforementioned front-wheel 16 bending, and be respectively provided with a handrail bindiny mechanism 5 in the middle position of the length direction of a pair of front-wheel boom pipe 111, the lower hinge of the short transverse of a pair of front-wheel boom pipe 111 one end towards aforementioned chair back rack 14 and chair back rack 14.Between aforesaid front-wheel hold-down arm 1111 and front-wheel boom pipe 111, be fixedly connected with a front-wheel hold-down arm stay pipe 114.Front wheel carrier back and front supporting pipe 112,113 is parallel, and is welded and fixed towards one end of front-wheel hold-down arm 1111 with front-wheel hold-down arm stay pipe 114.One of them front-wheel in aforesaid a pair of front-wheel 16 is arranged on the wherein end of the front-wheel hold-down arm 1111 of a front-wheel boom pipe in a pair of front-wheel boom pipe 111 rotationally, and another front-wheel in a pair of front-wheel 16 is arranged on the end of the front-wheel hold-down arm 1111 of another root front-wheel boom pipe in a pair of front-wheel boom pipe 111 rotationally, specifically, a pair of front-wheel 16 is respectively arranged on front-wheel seat 162 rotationally by front axle 161, and front-wheel seat 162 is fixed with the end of front-wheel hold-down arm 1111.

As shown in Figure 2, aforesaid footrest rack 19 is hinged on the middle position of the length direction of front wheel carrier front support pipe 112, be hinged on the middle part of front wheel carrier front support pipe 112, aforesaid front wheel carrier rear supporting tube 113 is corresponding to the rear side of front wheel carrier front support pipe 112, and on this front wheel carrier rear supporting tube 113, be equipped with a pair of chair seat frame buffer gear 6, this pair of chair seat frame buffer gear 6 is connected (hinged) with chair seat frame 13 towards one end of footrest rack 19.Because aforesaid handrail bindiny mechanism 5 has a pair ofly, therefore aforesaid pair of armrests 18 coordinates with pair of armrests bindiny mechanism 5 plugs respectively, i.e. plug connection.

Please continue to refer to Fig. 2, aforesaid rear wheel frame 12 comprises stay pipe 122 and a trailing wheel hold-down arm lower support pipe 123 on pair of rear wheels hold-down arm 121, a trailing wheel hold-down arm, pair of rear wheels hold-down arm 121 corresponds to each other, and on trailing wheel hold-down arm, stay pipe 122 and trailing wheel hold-down arm lower support pipe 123 are with the state of upper and lower correspondence and be preferably fixedly connected between pair of rear wheels hold-down arm 121 with welding manner.One of them trailing wheel in aforesaid pair of rear wheels 17 is arranged on the end of one of them the trailing wheel hold-down arm in pair of rear wheels hold-down arm 121 rotationally, and another trailing wheel in pair of rear wheels 17 is arranged on the end of another trailing wheel hold-down arm in pair of rear wheels hold-down arm 121 rotationally, specifically, pair of rear wheels 17 is respectively arranged on rear wheel seat 172 rotationally by hind axle 171, and rear wheel seat 172 is fixed with the end of trailing wheel hold-down arm 121.

As shown in Figure 2, above mentioned locking mechanism 3 is fixed on the middle part of padlock installing rack 131.

Please emphasis referring to Fig. 3 and still in conjunction with Fig. 1 and Fig. 2, the bottom that in the bottom of aforesaid electric walking wheel support 21 is the short transverse shown in Fig. 3 forms and has a pair of shock-absorbing frame holder support column 211 with parallel state, on this pair of shock-absorbing frame holder support column 211 and towards on a side be fixed with a pair of shock-absorbing frame holder 212, this a pair of shock-absorbing frame holder 212 is mutually corresponding, at a side of a pair of shock-absorbing frame holder 212 and opposite side and be respectively provided with a shock-absorbing frame 213 with cantilever position pivot in corresponding position.As shown in Figure 3, be fixed with a shock-absorbing frame pivot joint axle sleeve 2131 towards one end of shock-absorbing frame holder 212 at shock-absorbing frame 213, with shock-absorbing frame drive-connecting shaft cover bearing pin 21312 successively through be opened in shock-absorbing frame holder pin shaft hole 2121 on a pair of shock-absorbing frame holder 212 and shock-absorbing frame pivot joint axle sleeve 2131 axle sleeve hole 21311 and by pivotally connected shock-absorbing frame 213 on a pair of shock-absorbing frame holder 212.Offer screw rod union joint pin shaft hole 2132 at the nearly middle part of shock-absorbing frame 213, and offer decelerator holder pin shaft hole 2133 at shock-absorbing frame 213 away from one end of shock-absorbing frame holder stay pipe 211.As shown in Figure 3, on shock-absorbing frame 213, be provided with shock absorber 9 and motor fixing seat 214, shock absorber 9 is hinged with the top of electric walking wheel support 21, motor fixing seat 214 towards under a side form and have an a pair of parallel axis pin base 2141, on pair of pin axle bed 2141 and in mutually corresponding position, respectively offer a upper pin hole 21411 and pin shaft hole 21412 once, downside pin axis hole 21412 is positioned at the below in upper pin hole 21411, insert successively decelerator holder pin shaft hole 2133 and upper pin hole 21411 and motor fixing seat 214 is arranged on shock-absorbing frame 213 by upper pin 21331, on screw rod union joint pin shaft hole 2132, be equipped with a screw rod union joint bearing pin 21321, and be connected with aforesaid shock absorber 9 by lower bearing pin 21413 in the position corresponding to downside pin axis hole 21412, and screw rod union joint bearing pin 21321 is connected with shock absorber 9 equally, and shock absorber 9 is corresponding to the shock-absorbing frame chamber 2134 of shock-absorbing frame 213.

Aforesaid a pair of electric walking travelling wheel 23 is respectively furnished with motor 231 and decelerator 232, motor 231 is connected with aforementioned controller 22 electrical controls, and coordinate with decelerator 232 transmissions, motor 231 is fixed in motor fixing seat 214 together with decelerator 232, motor road wheel 23 has a wheel hub 233, and the wheel hub connecting shaft dish 2331 of wheel hub 233 is fixedly connected with the reducer output shaft of decelerator 232.Aforesaid motor 231 is furnished with brake 2311, brake 2311 is connected with aforementioned controller 22 electrical controls, be arranged on by the manual operation controller 10 on one of them handrail in the pair of armrests 18 of Fig. 1 and Fig. 2 signal and shown by circuit 101(Fig. 1) be connected with controller 22 electrical controls, by the operation of the operating grip 102 to manual operation controller 10, a pair of electric walking travelling wheel 23 is moved or stop motion by occupant.As shown in Figure 3, motor 231 has an electric machine support 2312, on electric machine support 2312, offer support fixing hole 23121, in aforesaid motor fixing seat 214, be equipped with electric machine support hold-down screw 2142, electric machine support 2312 be fixed in motor fixing seat 214 in the position corresponding to support fixing hole 23121 by electric machine support hold-down screw 2142.Aforesaid electric walking wheel support locking mechanism 4 is fixed on the middle position at the top of motor road wheel support 21.

Please still see Fig. 3, aforesaid motor drive mechanism 2 also includes a pair of battery jar rack 24, one of them battery jar rack in this pair of battery jar rack 24 is fixed on one end of aforesaid a pair of shock-absorbing frame holder stay pipe 211, and another battery jar rack in a pair of battery jar rack 24 is fixed on the other end of a pair of shock-absorbing frame holder stay pipe 211, particularly, a pair of battery jar rack 24 is respectively fixed on a pair of shock-absorbing frame holder stay pipe 211 by a pair of battery jar rack clamping seats 241 matching with the bottom of a pair of shock-absorbing frame holder stay pipe 211, shown in figure, on a pair of battery jar rack clamping seats 241, be respectively equipped with a pair of battery jar rack hold-down screw 2411, and in the bottom of battery jar rack 24 and offering battery jar rack screw 242 corresponding to the position of a pair of battery jar rack hold-down screw 2411, by battery jar rack hold-down screw 2411 screws in battery jar rack screw 242, battery jar rack 24 is fixed on a pair of shock-absorbing frame holder stay pipe 211.

In Fig. 3, provide the detailed construction of aforementioned shock absorber 9, this shock absorber 9 comprises shock-proof spring screw rod 91, shock-proof spring 92, shock-proof spring screw rod union joint 93, shock-proof spring screw rod gradient adjusting bolt 94 and adjusting screw(rod) seat 95, adjusting screw(rod) seat 95 is corresponding between aforesaid pair of pin axle bed 2141, and on this adjusting screw(rod) seat 95, offer a lower bearing pin through hole 951, inserted in lower bearing pin through hole 951 in the position corresponding to downside pin axis hole 21412 by aforesaid lower bearing pin 21413, thereby adjusting screw(rod) seat 95 is connected between pair of pin axle bed 2141, one end of shock-proof spring screw rod gradient adjusting bolt 94 is threaded with shock-proof spring screw rod union joint 93, and locked by the first lock nut 941, and the other end of shock-proof spring screw rod gradient adjusting bolt 94 is threaded with adjusting screw(rod) seat 95, and locked by the second lock nut 942, the upper end of shock-proof spring screw rod 91 offers hinged axis hole 911 on, on this, hinged axis hole 911 is hinged with the upper hinged axle bed 215 at top that is formed in aforementioned electronic road wheel support 21 by upper jointed shaft 9111, on upper hinged axle bed 215, offer hinge hole 2151 on, by upper jointed shaft 9111 inserts upper hinged axis hole 911 and upper hinge hole 2151 by hinged to the upper end of shock-proof spring screw rod 91 and upper hinged seat 215, and limit nut 91111 and limit by screwing upper jointed shaft on upper jointed shaft 9111, the lower end of shock-proof spring screw rod 91 offers hinged axis hole 912, and on shock-proof spring screw rod union joint 93 and offering union joint hole 931 corresponding to the position of lower hinged axis hole 912, insert successively screw rod union joint pin shaft hole 2132 by aforesaid screw rod union joint bearing pin 21321, union joint hole 931 and lower hinged axis hole 912 and shock-proof spring screw rod union joint 93 is hinged on to the nearly middle part of shock-absorbing frame 213 together with the lower end of shock-proof spring screw rod 91, and corresponding to aforesaid shock-absorbing frame chamber 2134, shock-proof spring 92 is nested with on shock-proof spring screw rod 91, the upper end of this shock-proof spring 92 is bearing in the spring adjustment seat 913 on shock-proof spring screw rod 91, and lower end is bearing on the shock-proof spring supporting base 914 being fixed on shock-proof spring screw rod 91.By the adjusting of shock-proof spring screw rod gradient adjusting bolt 94 is driven to shock-proof spring screw rod union joint 93, because the lower end of shock-proof spring screw rod 91 is connected with shock-proof spring screw rod union joint 93 by screw rod union joint bearing pin 21321, thereby drive shock-proof spring screw rod 91 by shock-proof spring screw rod union joint 93, making its perpendicularity is that aforesaid gradient is done rationally to adjust, to adapt to the body weight change of user.

According to professional general knowledge and according to shown in Fig. 3, because shock-absorbing frame 213 has correspond to each other a pair of, thereby shock absorber 9 also has a pair of, so although applicant is at length described one of them shock absorber 9 in the above, but can't produce puzzlement to the understanding of two shock absorbers 9, because the structure of two shock absorbers 9 and annexation are identical.

Please emphasis referring to Fig. 2, aforesaid chair seat frame 13 has i.e. formation and has a chair seat frame stay pipe 132 towards one end of chair back rack 14, and in the short transverse of chair back rack 14 from top to bottom and form successively with interval state and have a chair back rack upper support bar 141, one chair back rack middle studdle 142 and a chair back rack lower support bar 143, at chair back rack upper support bar 141, chair back rack middle studdle 142 and chair back rack lower support bar 143 threes appoint to select a release mechanism 7 are set on one, in the present embodiment, release mechanism 7 has been arranged on chair back rack middle studdle 142, certainly, if this locking mechanism 7 is transferred on chair back rack upper support bar 141 or chair back rack lower support bar 143, should be considered as so equivalence variation and still belong to technology contents category disclosed by the invention.Release mechanism 7 is connected with aforesaid locking mechanism 3, and its function is the padlock of removing between locking mechanism 3 and electric walking wheel support locking mechanism 4, obtains so that car body 1 separates with motor drive mechanism 2.In addition, be provided with the rear wheel frame locking mechanism 8 for chair back rack 14 and aforesaid rear wheel frame 12 are locked or unlocked on chair back rack lower support pipe 143, this rear wheel frame locking mechanism 8 matches with stay pipe 122 on aforesaid trailing wheel hold-down arm.Preferably, in the each pivotable of correspondence position of the both sides at the top of the short transverse of aforesaid a pair of chair back rack 14, a hand push handle 146 is set.

Shown by Fig. 2, middle part at the length direction of aforesaid front wheel carrier front support pipe 112 is fixed with a pair of footrest rack hinged seat 1121 with the state corresponding to each other, and aforesaid footrest rack 19 has the hinged ear 191 of a footrest rack towards the each formation in the corresponding both sides of one end of front wheel carrier front support pipe 112, that is to say that the hinged ear 191 of footrest rack has a pair of, on the hinged ear 191 of footrest rack with interval state and offer one group of hinged adjusting hole 1911 of the hinged ear of footrest rack from top to bottom, with the hinged ear hinging pin shaft 19111 of footrest rack in the position corresponding to the hinged adjusting hole 1911 of the hinged ear of footrest rack by hinged to hinged footrest rack ear 191 and footrest rack hinged seat 1121.Footrest rack 19 is configured to free end away from one end of front wheel carrier front support pipe 112, and respectively keeps off pillar bearing pin screw 1921 pivots by shank in these free-ended corresponding both sides and be provided with a shank gear pillar 192.Owing to offering one group of hinged adjusting hole 1911 of the hinged ear of footrest rack on the hinged ear 191 of footrest rack, therefore the height of footrest rack 19 on footrest rack hinged seat 1121 can be according to needing adjustment, more precisely make the distance between footrest rack 19 and terrace change, so that the Level Change between footrest rack 19 and aforementioned seat support 15a meets different users's leg rest requirement.

Still refer to Fig. 2, there is the hinged ear 1112 of a front-wheel boom pipe at a pair of front-wheel boom pipe 111 towards the each formation in the end, one end of aforementioned chair back rack 14, there is chair back rack lower hinge ear 144 and form in the bottom of the short transverse of chair back rack 14 and in the position corresponding to the hinged ear 1112 of front-wheel boom pipe, this chair back rack lower hinge ear 144 is hinged by chair back rack lower hinge ear bearing pin 1441 and the hinged ear 1112 of front-wheel boom pipe, is connected thereby make front wheel carrier 11 and chair back rack 14 form each other articulated type.Form towards one end of chair back rack 14 at chair seat frame 13 and have on a chair seat frame hinged ear 134 under hinged ear 133 and a chair seat frame, and the position of hinged ear 133 forms and has a chair back rack back flap hinge lug 145 on chair back rack 14 and on corresponding to chair seat frame, this chair back rack back flap hinge lug 145 is hinged by hinged ear 133 on chair back rack back flap hinge lug bearing pin 1451 and chair seat frame, is connected thereby make chair seat frame 13 and chair back rack 14 mutually form articulated type.On aforesaid pair of rear wheels hold-down arm 121 and in the position corresponding to hinged ear 134 under chair seat frame, each formation has a trailing wheel hold-down arm back flap hinge lug 1211, this trailing wheel hold-down arm back flap hinge lug 1211 is hinged by hinged ear 134 under trailing wheel hold-down arm back flap hinge lug bearing pin 12111 and chair seat frame, is connected thereby make rear wheel frame 12 and chair seat frame 13 mutually form articulated type.

On aforesaid trailing wheel hold-down arm lower support pipe 123 and the middle position that is preferably placed at the length direction of trailing wheel hold-down arm lower support pipe 123 be provided with a rotating Foldable hanging hook 1231(Fig. 1 and show), this Foldable hanging hook 1231 is corresponding to aforementioned snap close installing rack 131, and matches with padlock installing rack 131.In the time of the folded state of the present invention in being illustrated by Fig. 8, by manual operations and make Foldable hanging hook 1231 on trailing wheel hold-down arm lower support pipe 123 towards the certain angle of the direction switching of padlock installing rack 131, the gib head 12311 of Foldable hanging hook 1231 is hooked on padlock installing rack 131, thereby rear wheel frame 12 and padlock installing rack 131 are locked, and vice versa.

Ask for an interview Fig. 2, above mentioned electric walking wheel support locking mechanism 4 preferably but not the structure being definitely limited to is as follows: comprise padlock ring support plate 41 and padlock circle 42, padlock ring support plate 41 is preferably fixed with the top of welding manner and aforementioned electronic road wheel support 21, because the global shape of aforesaid padlock installing rack 131 tends to V font, therefore the shape of this padlock ring support plate 41 and the shape of padlock installing rack 131 match, and also trend towards V font.The shape of padlock circle 42 is n shape, is inverted U-shaped, and is fixed on the middle position of padlock ring support plate 41, and this padlock circle 42 is corresponding with locking mechanism 3 above mentioned and that also will describe in detail below.As shown in Figure 2, the two ends of padlock ring support plate 41 and towards on a side be respectively fixed with an elastic insert piece 411 with spacer block hold-down screw 411 towards a side surface of padlock installing rack 131, the two ends of padlock installing rack 131 contact with elastic insert piece 411, and elastic insert piece 411 both can use nylon block, also can use block rubber or other equivalent material, originally being implemented example uses pvc material to serve as elastic insert piece, playing and avoiding material is that padlock installing rack 131 and the material of metal is similarly the effect that the padlock ring support plate 41 of metal directly contacts, visible elastic insert piece 411 is in fact the packing ring (cushion block) of padlock ring support plate 41.

Still see Fig. 2, the quantity of above mentioned handrail bindiny mechanism 5 has a pair of, be separately positioned on aforesaid a pair of front-wheel boom pipe 111, that is to say on a pair of front-wheel boom pipe 111 and respectively arrange a handrail bindiny mechanism 5, in each handrail bindiny mechanism 5, plug arranges one of them handrail in pair of armrests 18.

Handrail bindiny mechanism 5 preferably but not the structure being definitely limited to is as follows: comprise intermediate plate holder 51, intermediate plate 52 and spanner 53, intermediate plate holder 51 is preferably fixed on the middle position of the length direction of front-wheel boom pipe 111 with welding manner, offer an intermediate plate holder adjustment tank 511 in one end of this intermediate plate holder 51, the other end offers an intermediate plate holder screw hole 512, intermediate plate 52 has face each other and coordinate a pair of, in one end of intermediate plate 52 and offering a pinching screw through hole 521 corresponding to the position of intermediate plate holder adjustment tank 511, the other end of intermediate plate 52 and offering intermediate plate fixing screw hole 522 corresponding to the position of intermediate plate holder screw 512, on this intermediate plate holder screw hole 512, be equipped with an intermediate plate hold-down screw 5221, this intermediate plate hold-down screw 5221 is through limiting nut 52211 at the intermediate plate hold-down screw of the end of intermediate plate hold-down screw 5221 and limit after intermediate plate fixing screw hole 522 and then through intermediate plate holder screw hole 512 and by screwing, the middle part of intermediate plate 52 forms a handrail tube jack 523.There is a pinching screw 531 one end of spanner 53 by pinching screw bearing pin 5311 is pivotally connected, on this pinching screw 531, be arranged with a packing ring 5313, and this pinching screw 531 is successively through limiting nut 5312 and limit by screwing pinching screw on pinching screw 531 after pinching screw through hole 521 and intermediate plate holder adjustment tank 511.Above mentioned pair of armrests 18 respectively has a handrail tube 181, specifically, handrail 18 is fixed on the top of handrail tube 181, form each other T font relation, and the shape of the shape of cross section of handrail tube 181 and handrail tube jack 523 adapts, and handrail tube 181 can coordinate with 523 plugs of handrail tube jack on up-down adjustment ground.

As preferred scheme, can on one of them handrail in pair of armrests 18, connect a handle 182 by handle tightening knob 1821 pivotables, more particularly, in the time arranging aforesaid manual operation controller 10 on one of them handrail in pair of armrests 18, on another handrail in pair of armrests 18, arrange handle 182 so, otherwise with example.

Shown by Fig. 2, above mentioned a pair of chair seat frame buffer gear 6 respectively comprises a buffer spring post 61 and a buffer spring 62, buffer spring post 61 towards upper one end towards one end of chair seat frame 13 by buffer spring post upper pin 613 with to be preset in upper pin Connection Block 135 on chair seat frame 13 hinged, and the lower end of buffer spring post 61 towards one end of front wheel carrier rear supporting tube 113 by buffer spring post lower bearing pin 614 with to be preset in lower bearing pin Connection Block 1131 on front wheel carrier rear supporting tube 113 hinged.Buffer spring 62 is nested with on buffer spring post 61.Upper end at buffer spring post 61 is fixed with a buffer spring upper branching holder 611 towards one end of chair seat frame 13, and the lower end of buffer spring post 61 is fixed with a buffer spring lower bearing support 612 towards one end of front wheel carrier rear supporting tube 113, one end of aforementioned buffer spring 62 is that upper end is bearing on buffer spring upper branching holder 611, is bearing on buffer spring lower bearing support 612 and the other end of buffer spring 62 is lower end.

Above mentioned release mechanism 7 comprises release handle bracket 71, release handgrip 72 and traction steel wire 73, release handle bracket 71 use release handle bracket hold-down screws 711 are fixed on the middle position of the length direction of the chair back rack middle studdle 142 of aforementioned chair back rack 14, release handgrip 72 is pivotally connected on release handle bracket 71 by release handgrip bearing pin 721, one end of traction steel wire 73 is connected with release handgrip 72, and the other end of traction steel wire 73 is connected with the locking mechanism 3 that also will describe in detail below.In the present embodiment, release mechanism 7 has been arranged on chair back rack middle studdle 142, if but this release mechanism 7 is arranged on chair back rack upper support bar 141 or chair back rack lower support bar 143, should be considered as so equivalence and change and still belong to technology contents category disclosed by the invention.

The quantity of above mentioned rear wheel frame locking mechanism 8 can be one, can be also a pair of, and the present embodiment is a pair of.As shown in Figure 2, rear wheel frame locking mechanism 8 comprises lock arm 81 and reset tension spring 82, the upper end of lock arm 81 offers a lock arm pivot hole 812, this lock arm pivot hole 812 by lock arm pivot hole bearing pin 8121 with to be preset in lock arm engaging lug 1431 on chair back rack lower support bar 143 pivotally connected, the lower end of lock arm 81 is configured to free end and formation has a rear wheel frame lock pawl 811, and on the rear wheel frame hold-down arm of this rear wheel frame lock pawl 811 and aforesaid rear wheel frame 12, stay pipe 122 matches.One end of reset tension spring 82 is fixedly connected with lock arm 81, and the other end of reset tension spring 82 is fixedly connected with the fixing ear 1321 of reset tension spring being preset on the chair seat frame stay pipe 132 of aforementioned chair seat frame 13.

In the time that aforesaid rear wheel frame lock pawl 811 is hooked on rear wheel frame hold-down arm on stay pipe 122, rear wheel frame 12 just can not be folding towards the direction of chair seat frame 13, otherwise with example.On rear wheel frame lock pawl 811 and rear samsara hold-down arm, the locking of stay pipe 122 or unlock realizes by manual operations.

Refer to Fig. 4, the locking mechanism 3 of repeatedly mentioning above comprises first, second padlock holder 31a, 31b, padlock box 32, unlocking board axle 33a, lockplate axle 33b, unlocking board 34, lockplate 35, padlock lid 36, unlocking board driving lever 37, torsion spring 38 and Compress Spring 39, first, second padlock holder 31a, 31b correspond to each other, and preferably fixing with welding manner and aforesaid padlock installing rack 131, as shown in Figure 4, the shape of first, second padlock holder 31a, 31b is all designed to fan-shaped.Padlock box 32 is fixed between first, second padlock holder 31a, 31b, the padlock box chamber 321 of this padlock box 32 is towards the first padlock holder 31a, and form and have a padlock circle slot to make way 322 on this padlock box 32, middle position and this padlock circle slot to make way 322 that this padlock circle slot to make way 322 is positioned at the length direction of padlock box 32 connect the bottom (lower edge) to padlock box 32, make snap close circle slot to make way 322 form inverted U-lag, on padlock box 32 and in the position corresponding to below unlocking board axle 33a, form and have a unlocking board driving lever sliding tray 323.Preferably, on padlock box 32 and in the position at the top corresponding to padlock circle slot to make way 322, be provided with a padlock circle buffer stopper 326 of being taken on as nylon by rubber or similar material.Padlock lid 36 is chimeric fixing in the position corresponding to padlock box chamber 321 and padlock box 32, middle position at the length direction on the top of this padlock lid 36 offers a padlock lid lockplate resigning hole 361, this padlock lid lockplate resigning hole 361 and the padlock box lockplate of middle position of length direction on top that is formed in padlock box 32 chamber 324 of stepping down is corresponding, on padlock lid 36 and offering shape and the size padlock lid padlock circle slot to make way 362 consistent with padlock circle slot to make way 322 corresponding to the position of aforementioned padlock circle slot to make way 322, unlocking board axle 33a is corresponding to one end of padlock box 32, and be bearing between padlock box 32 and padlock lid 36.Lockplate axle 33b is corresponding to the other end of padlock box 32, and is bearing in equally between padlock box 32 and padlock lid 36.Preferably, by unlocking board axle 33a and lockplate axle 33b towards one end of padlock lid 36 and at the position corresponding to lid axis hole 363 and padlock lid 36 rivet clasps.As shown in Figure 4, because unlocking board axle 33a and lockplate axle 33b are hollow, form and have a connecting bolt hole separately, therefore limiting through the Kong Houyong connecting bolt nut on aforementioned connecting bolt hole and the first padlock holder 31a of the hole on the second padlock holder 31b, lockplate axle 33b successively with illustrated connecting bolt 33c.Another piece of connecting bolt 33c of same employing limiting through the Kong Houyong connecting bolt nut on aforementioned connecting bolt hole and the first padlock holder 31a of the hole on the second padlock holder 31b, unlocking board axle 33a successively.Hence one can see that, and padlock box 32 is fixed between first, second padlock holder 31a, 31b by two connecting bolt 33c together with padlock lid 36.The upper end of unlocking board 34 offers a unlocking board axis hole 341, this unlocking board axis hole 341 is nested with rotationally on unlocking board axle 33a, and the lower end of unlocking board 34 is configured to free end and formation has a locking boss 342, also offer a connecting thread head screw 343 in the lower end of unlocking board 34, the upper end of lockplate 35 offers a lockplate axis hole 351, this lockplate axis hole 351 is nested with rotationally on lockplate axle 33b, and the lower end of lockplate 35 is configured to free end, and form and have a padlock circle to probe into groove 352 and a locking boss mating flanges 353 at this free end, this locking boss mating flanges 353 matches with aforesaid locking boss 342, unlocking board driving lever 37 forms and has a diameter to be less than the driving lever sliding axle 371 of the diameter of unlocking board driving lever 37 with narrow contracting state towards one end of aforementioned unlocking board driving lever sliding tray 323, this driving lever sliding axle 371 is slidably matched with unlocking board driving lever sliding tray 323, and form and have a Compress Spring supporting base 3711 towards a side of Compress Spring 39 at this driving lever sliding axle 371, there is a driving lever sliding axle connecting thread head 3712 and form at the end of driving lever sliding axle 371, this driving lever sliding axle connecting thread head 3712 is threaded with aforesaid connecting thread head screw 343, torsion spring 38 is nested with on aforesaid unlocking board axle 33b, and between lockplate 35 and padlock box 32, the first torsion spring foot 381 of this torsion spring 38 is kept out on lockplate 35, and the second torsion spring foot 382 of torsion spring 38 probes in the torsion spring foot locating hole 325 being opened on padlock box 32, Compress Spring 39 is arranged in described unlocking board driving lever sliding tray 323, one end of this Compress Spring 39 is bearing in the Compress Spring support seat 3231 being formed in unlocking board driving lever sliding tray 323, and the other end of Compress Spring 39 is bearing on aforesaid Compress Spring supporting base 3711.The described other end of the traction steel wire 73 of aforementioned release mechanism 7 and unlocking board driving lever 37 are fixing, specifically: on unlocking board driving lever 37, offer traction steel wire hole 372, and arrange a traction steel wire trip bolt 373 in the end of unlocking board driving lever 37, this traction steel wire trip bolt 373 is corresponding with traction steel wire hole 372 and communicate, fixing by traction steel wire trip bolt 373 after the aforementioned other end of traction steel wire 73 penetrates traction steel wire hole 372.Aforementioned padlock circle 42 matches probeing into groove 352 corresponding to the position of padlock circle slot to make way 322 and padlock lid padlock circle slot to make way 362 with described padlock circle, and by lockplate 35 to its locking or unlock.

As shown in Figure 4, be arranged with a traction steel wire sleeve pipe 731 towards one end of locking mechanism 3 at aforesaid traction steel wire 73, this traction steel wire sleeve pipe 731 is fixed on traction steel wire sleeve pipe holder 7311, and this traction steel wire sleeve pipe holder 7311 is fixed on the side of the second padlock holder 31b back to the first padlock holder 31a, and corresponding with aforesaid unlocking board driving lever 37, that is to say traction steel wire sleeve pipe holder 7311 corresponding to a side of unlocking board driving lever 37 and substantially with unlocking board driving lever 37 in same level position, using guarantees to be in one's hands makes the driving lever sliding axle 371 of unlocking board driving lever 37 follow 323 translations of unlocking board driving lever sliding tray by traction steel wire 73 while pinching release handle 72.

Refer to Fig. 5 and in conjunction with Fig. 4, Fig. 5 has illustrated the situation of locking mechanism 3 together with being locked together in each other with electric walking travelling wheel locking mechanism 4, that is to say that locking mechanism 3 implements the state of locking in make-up retainer 42.Concrete locking process is: the padlock circle that padlock circle 42 enters lockplate 35 probes into groove 352(Fig. 6 and shows), in probeing into groove 352, padlock circle forced lockplate 35 to clockwise rotate around lockplate axle 33b by padlock circle 42, be the mated condition shown in Fig. 5 until move to the locking boss mating flanges 353 of lockplate 35 with the locking boss 342 of unlocking board 34, under this state, torsion spring 38 energy storage, and because unlocking board 34 makes Compress Spring 39 in elongation state around unlocking board axle 33a turning anticlockwise under the drive of lockplate 35, unlocking board driving lever 37 is in the extreme right position of the unlocking board driving lever sliding tray 323 of location status as shown in Figure 4, thereby make car body 1 be connected as a whole with motor drive mechanism 2, electric wheel-chair vehicle can be walked in electronic mode.

Refer to Fig. 6 and equally in conjunction with Fig. 4, in the time motor drive mechanism 2 will being separated with car body 1, that is to say when motor drive mechanism 2 being withdrawn car body 1 is walked in car body 1 during in hand push mode, user is by the release handgrip 72(Fig. 1 to aforementioned release mechanism 7 so, Fig. 2 shows) operation, specifically: the application of force is held and pinched release handgrip 72, drive traction steel wire 73 by release handgrip 72, drive unlocking board driving lever 37 by traction steel wire 73, the direction of the driving lever sliding axle 371 that makes unlocking board driving lever 37 along unlocking board driving lever sliding tray 323 towards Compress Spring 39 slided, and because the driving lever sliding axle connecting thread head 3712 of driving lever sliding axle 371 is threaded with the connecting thread head screw 343 of unlocking board 34, in the process of therefore sliding at driving lever sliding axle 371, drive unlocking board 34 by driving lever sliding axle 371, make the locking boss 342 of unlocking board 34 become from the previous state of being fitted to each other the state being separated from each other with the locking boss mating flanges 353 of lockplate 35, under this state, because making lockplate 35, the effect of torsion spring 38 rotates counterclockwise to being the state shown in Fig. 6 around lockplate axle 33b, and Compress Spring 39 is in compressive state, unlocking board 34 is removed the locking to lockplate 35, padlock circle 42 just can probe into groove 352 and exit from the padlock circle of lockplate 35, car body 1 is separated with motor drive mechanism 2.

Refer to Fig. 7, this figure has illustrated locking mechanism 3 and electric walking wheel support locking mechanism 4 sealed state each other, and certainly, because this state is embodied by aforementioned course of action when Fig. 5 is described, thereby applicant repeats no more.

Refer to Fig. 8, this figure has illustrated electric wheel-chair vehicle of the present invention after motor drive mechanism 2, to make the situation of car body 1 in folded state removing, folding process is as follows: first the spanner 53 of handrail bindiny mechanism 5 is operated, drive pinching screw 531 by spanner 53, make the intermediate plate 52(a pair of) in relaxed state, thereby the handrail tube 181 that makes pair of armrests 18 is following handrail insertion hole 523 to fall automatically, and handle 182 is turned to the inside.Then make the rear wheel frame lock pawl 811 of the lock arm 81 of rear wheel frame locking mechanism 8 remove with the rear wheel frame hold-down arm of rear wheel frame 12 on stay pipe 122 hook together locking.Then a pair of shank gear pillar 192 on footrest rack 19 is turned in opposite directions and be tending towards the degree that fits with the top of footrest rack 19.Then chair back rack 14 is amounted to towards the direction of chair seat frame 13, and the bottom folding by rear wheel frame 12 towards chair seat frame 13, make the below of rear wheel frame 12 corresponding to front wheel carrier 11, and hand push handle 146 is turned to the degree corresponding with the top of chair back rack upper support bar 141, state as shown in Figure 2 rotates counterclockwise 90 °, finally make car body 1 be the folding storage state shown in Fig. 8, and the gib head of Foldable hanging hook 1,231 12311 is hooked on padlock installing rack 131.Because the expansion process of car body 1 is contrary with folding process, thereby applicant no longer repeats.

In sum, technical scheme provided by the invention has overcome the shortcoming in prior art, has successfully completed invention task, has embodied the technique effect of recording in superincumbent technique effect hurdle.

Claims (10)

1. a kind of electric wheel-chair vehicle, comprise car body (1) and motor drive mechanism (2), car body (1) comprises a front wheel carrier (11), one rear wheel frame (12), one chair seat frame (13), one chair back rack (14), one seat support (15a), one chair back (15b), a pair of front-wheel (16), pair of rear wheels (17), pair of armrests (18) and a footrest rack (19), front wheel carrier (11) is towards the lower hinge of one end of chair back rack (14) and the short transverse of chair back rack (14), chair seat frame (13) is hinged towards one end and the chair back rack (14) of chair back rack (14), and simultaneously hinged with rear wheel frame (12), seat support (15a) is fixed on chair seat frame (13), the chair back (15b) is fixed on chair back rack (14), a pair of front-wheel (16) is arranged on respectively the corresponding both sides that front wheel carrier (11) deviates from one end of chair back rack (14) rotationally, pair of rear wheels (17) is arranged on the corresponding both sides that rear wheel frame (12) deviates from one end of chair seat frame (13) rotationally, pair of armrests (18) is separately positioned on the corresponding both sides of the middle position of front wheel carrier (11), and simultaneously corresponding with the both sides of described seat support (15a), footrest rack (19) is hinged on front wheel carrier (11), and between described a pair of front-wheel (16), described motor drive mechanism (2) comprises electric walking wheel support (21), controller (22) and a pair of electric walking travelling wheel (23), controller (22) is found a place on electric walking wheel support (21), a pair of electric walking travelling wheel (23) is arranged on respectively the both sides of electric walking wheel support (21) rotationally with the state corresponding to each other, it is characterized in that: go up and be fixed with in the position of the below corresponding to described seat support (15a) a padlock installing rack (131) at described chair seat frame (13), on this padlock installing rack (131), be provided with a locking mechanism (3), go up and be fixed with an electric walking wheel support locking mechanism (4) corresponding to the position of locking mechanism (3) at described electric walking wheel support (21), this electric walking wheel support locking mechanism (4) matches with locking mechanism (3), and in the time that locking mechanism (3) locks electric walking wheel support locking mechanism (4), described car body (1) is connected with motor drive mechanism (2), and in the time that locking mechanism (3) is removed the locking of electric walking wheel support locking mechanism (4), described car body (1) separates with motor drive mechanism (2) and uses motor drive mechanism (2) is withdrawn in car body (1).

2. electric wheel-chair vehicle according to claim 1, it is characterized in that described front wheel carrier (11) comprises a pair of front-wheel boom pipe (111), one front wheel carrier front support pipe (112) and a front wheel carrier rear supporting tube (113), a pair of front-wheel boom pipe (111) is parallel, wherein front-wheel boom pipe in this pair of front-wheel boom pipe (111) is corresponding to the side-lower of a side of described chair seat frame (13), and another root front-wheel boom pipe in a pair of front-wheel boom pipe (111) is corresponding to the side-lower of the opposite side of chair seat frame (13), and this pair of front-wheel boom pipe (111) is towards one end bending of described front-wheel (16) and form and have a front-wheel hold-down arm (1111), and be respectively provided with a handrail bindiny mechanism (5) in the middle position of the length direction of a pair of front-wheel boom pipe (111), a pair of front-wheel boom pipe (111) is towards the lower hinge of one end of described chair back rack (14) and the short transverse of chair back rack (14), between described front-wheel hold-down arm (1111) and front-wheel boom pipe (111), be fixedly connected with a front-wheel hold-down arm stay pipe (114), front wheel carrier front support pipe (112) and front wheel carrier rear supporting tube (113) are parallel, and be fixedly connected with towards one end of front-wheel hold-down arm (1111) with described front-wheel hold-down arm stay pipe (114), one of them front-wheel in described a pair of front-wheel (16) is arranged on the end of the described front-wheel hold-down arm (1111) of the wherein front-wheel boom pipe in a pair of front-wheel boom pipe (111) rotationally, and another front-wheel in a pair of front-wheel (16) is arranged on the end of the front-wheel hold-down arm (1111) of another root front-wheel boom pipe in a pair of front-wheel boom pipe (111) rotationally, described footrest rack (19) is hinged on the middle position of the length direction of described front wheel carrier front support pipe (112), described front wheel carrier rear supporting tube (113) is corresponding to the rear side of front wheel carrier front support pipe (112), and be equipped with a pair of chair seat frame buffer gear (6) on this front wheel carrier rear supporting tube (113), this a pair of chair seat frame buffer gear (6) is connected towards one end of described footrest rack (19) with described chair seat frame (13), described pair of armrests (18) plugs and coordinates with described handrail bindiny mechanism (5), described rear wheel frame (12) comprises pair of rear wheels hold-down arm (121), stay pipe (122) and a trailing wheel hold-down arm lower support pipe (123) on one trailing wheel hold-down arm, pair of rear wheels hold-down arm (121) corresponds to each other, stay pipe on trailing wheel hold-down arm (122) and trailing wheel hold-down arm lower support pipe (123) with the stateful connection of self correspondence between pair of rear wheels hold-down arm (121), one of them trailing wheel in described pair of rear wheels (17) is arranged on the end of one of them the trailing wheel hold-down arm in pair of rear wheels hold-down arm (121) rotationally, and another trailing wheel in pair of rear wheels (17) is arranged on the end of another trailing wheel hold-down arm in pair of rear wheels hold-down arm (121) rotationally, described locking mechanism (3) is fixed on the middle part of described padlock installing rack (131), bottom at described electric walking wheel support (21) forms and has a pair of shock-absorbing frame holder support column (211) with parallel state, go up and be fixed with a pair of shock-absorbing frame holder (212) towards a upper side at this pair of shock-absorbing frame holder support column (211), this a pair of shock-absorbing frame holder (212) is mutually corresponding, at a side of a pair of shock-absorbing frame holder (212) and opposite side and be respectively provided with a shock-absorbing frame (213) with cantilever position pivot in corresponding position, on shock-absorbing frame (213), be provided with shock absorber (9), shock absorber (9) is hinged with the top of electric walking wheel support (21), and on shock-absorbing frame (213), be also provided with motor fixing seat (214), described a pair of electric walking travelling wheel (23) is respectively furnished with motor (231) and decelerator (232), motor (231) is connected with described controller (22) electrical control, and coordinate with decelerator (232) transmission, motor (231) is fixed in described motor fixing seat (214) together with decelerator (232), motor road wheel (23) is fixedly connected with the reducer output shaft of decelerator (232) by the wheel hub connecting shaft dish (2331) of its wheel hub (233), wherein: described motor (231) is furnished with brake (2311), brake (2311) is connected with controller (22) electrical control, on one of them handrail in described pair of armrests (18), be equipped with a manual operation controller (10), this manual operation controller (10) is connected with described controller (22) electrical control, described electric walking wheel support locking mechanism (4) is fixed on the middle position at the top of described electric walking wheel support (21), on described chair back rack (14), be provided with a release mechanism (7), this release mechanism (7) is connected with described locking mechanism (3).

3. electric wheel-chair vehicle according to claim 2, it is characterized in that described chair seat frame (13) has a chair seat frame stay pipe (132) towards one end of described chair back rack (14), short transverse at described chair back rack (14) forms successively and has a chair back rack upper support bar (141) from top to bottom and with interval state, one chair back rack middle studdle (142) and a chair back rack lower support bar (143), described release mechanism (7) is arranged on chair back rack stay pipe (141), chair back rack intermediate supports pipe (142) and chair back rack lower support pipe (143) three appoint and select on one, and on chair back rack lower support pipe (143), be provided with the rear wheel frame locking mechanism (8) for chair back rack (14) and described rear wheel frame (12) are locked or unlocked, this rear wheel frame locking mechanism (8) matches with stay pipe (122) on described trailing wheel hold-down arm, described rear wheel frame locking mechanism (8) comprises lock arm (81) and reset tension spring (82), the upper end of lock arm (81) is pivotally connected on described chair back rack lower support pipe (143), the lower end of lock arm (81) forms a rear wheel frame lock pawl (811), rear wheel frame lock pawl (811) is corresponding with stay pipe (122) on described rear wheel frame hold-down arm and match with stay pipe (122) on rear wheel frame hold-down arm, one end of reset tension spring (82) and lock arm (81) are fixing, the other end and described chair seat frame (13) are fixing.

4. electric wheel-chair vehicle according to claim 2, it is characterized in that being fixed with a pair of footrest rack hinged seat (1121) at the middle part of the length direction of described front wheel carrier front support pipe (112) with the state corresponding to each other, described footrest rack (19) has the hinged ear of a footrest rack (191) towards the each formation in the corresponding both sides of one end of front wheel carrier front support pipe (112), above offer one group of hinged adjusting hole of the hinged ear of footrest rack (1911) with interval state at the hinged ear of footrest rack (191), in the position corresponding to the hinged adjusting hole of the hinged ear of footrest rack (1911), hinged footrest rack ear (191) and described footrest rack hinged seat (1121) is hinged by the hinged ear hinging pin shaft of footrest rack (19111), described footrest rack (19) is configured to free end away from one end of front wheel carrier front support pipe (112), and be provided with a shank gear pillar (192) at this each pivot in free-ended corresponding both sides, described a pair of front-wheel boom pipe (111) has a hinged ear of front-wheel boom pipe (1112) towards the each formation in the end, one end of described chair back rack (14), have chair back rack lower hinge ear (144) and form in the bottom of the short transverse of described chair back rack (14) and in the position corresponding to the hinged ear of front-wheel boom pipe (1112), this chair back rack lower hinge ear (144) is hinged by chair back rack lower hinge ear bearing pin (1441) and the hinged ear of front-wheel boom pipe (1112), form towards one end of chair back rack (14) at described chair seat frame (13) and have on a chair seat frame hinged ear (134) under hinged ear (133) and a chair seat frame, and at chair back rack (14) upper and on corresponding to chair seat frame the position of hinged ear (133) form and have a chair back rack back flap hinge lug (145), this chair back rack back flap hinge lug (145) is hinged by hinged ear (133) on chair back rack back flap hinge lug bearing pin (1451) and chair seat frame, at described pair of rear wheels hold-down arm (121) upper and under corresponding to described chair seat frame the position of hinged ear (134) each form have a trailing wheel hold-down arm back flap hinge lug (1211), this trailing wheel hold-down arm back flap hinge lug (1211) is hinged by hinged ear (134) under trailing wheel hold-down arm back flap hinge lug lock shaft (12111) and described chair seat frame.

5. electric wheel-chair vehicle according to claim 2, it is characterized in that upper at described trailing wheel hold-down arm lower support pipe (123) and be equipped with a Foldable hanging hook (1231) corresponding to the position of described padlock installing rack (131), this Foldable hanging hook (1231) matches with padlock installing rack (131).

6. electric wheel-chair vehicle according to claim 2, it is characterized in that described electric walking wheel support locking mechanism (4) comprises padlock ring support plate (41) and padlock circle (42), padlock ring support plate (41) is fixed with the top of described electric walking wheel support (21), padlock circle (42) is fixed on the middle position of padlock ring support plate (41), and corresponding with the described locking mechanism (3) at middle part that is fixed on described padlock installing rack (131); Described release mechanism (7) comprises release handle bracket (71), release handgrip (72) and traction steel wire (73), release handle bracket (71) is fixed on described chair back rack (14), release handgrip (72) is pivotally connected on release handle bracket (71), one end of traction steel wire (73) is connected with release handgrip (72), and the other end of traction steel wire (73) is connected with locking mechanism (3).

7. electric wheel-chair vehicle according to claim 6, it is characterized in that being respectively fixed with an elastic insert piece (411) at the two ends of described padlock ring support plate (41) and towards a side surface of described padlock installing rack (131), the two ends of described padlock installing rack (131) contact with elastic insert piece (411), and elastic insert piece (411) is nylon block or block rubber.

8. electric wheel-chair vehicle according to claim 6, it is characterized in that described locking mechanism (3) comprises first, the second padlock holder (31a, 31b), padlock box (32), unlocking board axle (33a), lockplate axle (33b), unlocking board (34), lockplate (35), padlock lid (36), unlocking board driving lever (37), torsion spring (38) and Compress Spring (39), first, the second padlock holder (31a, 31b) correspond to each other, and fixing with described padlock installing rack (131), padlock box (32) is fixed on first, the second padlock holder (31a, 31b), the padlock box chamber (321) of this padlock box (32) is towards the first padlock holder (31a), and there is a padlock circle slot to make way (322) in the upper formation of this padlock box (32), middle position and this padlock circle slot to make way (322) that this padlock circle slot to make way (322) is positioned at the length direction of padlock box (32) connect to the bottom of padlock box (32), above and in the position of the below corresponding to unlocking board axle (33a) form and have a unlocking board driving lever sliding tray (323) at padlock box (32), padlock lid (36) is chimeric fixing in the position corresponding to padlock box chamber (321) and padlock box (32), middle position at the length direction on the top of this padlock lid (36) offers a padlock lid lockplate resigning hole (361), this padlock lid lockplate resigning hole (361) and the padlock box lockplate of middle position of length direction on top that is formed in padlock box (32) chamber (324) of stepping down is corresponding, go up and offering shape and the size padlock lid padlock circle slot to make way (362) consistent with padlock circle slot to make way (322) corresponding to the position of described padlock circle slot to make way (322) at padlock lid (36), unlocking board axle (33a) is corresponding to one end of padlock box (32), and be bearing between padlock box (32) and padlock lid (36), lockplate axle (33b) is corresponding to the other end of padlock box (32), and be bearing in equally between padlock box (32) and padlock lid (36), the upper end of unlocking board (34) offers a unlocking board axis hole (341), this unlocking board axis hole (341) is nested with rotationally on unlocking board axle (33a), and the lower end of unlocking board (34) is configured to free end and formation has a locking boss (342), also offer a connecting thread head screw (343) in the lower end of unlocking board (34), the upper end of lockplate (35) offers a lockplate axis hole (351), this lockplate axis hole (351) is nested with rotationally on lockplate axle (33b), and the lower end of lockplate (35) is configured to free end, and form and have a padlock circle to probe into groove (352) and a locking boss mating flanges (353) at this free end, this locking boss mating flanges (353) matches with described locking boss (342), unlocking board driving lever (37) forms and has a diameter to be less than the driving lever sliding axle (371) of the diameter of unlocking board driving lever (37) with narrow contracting state towards one end of described unlocking board driving lever sliding tray (323), this driving lever sliding axle (371) is slidably matched with unlocking board driving lever sliding tray (323), and form and have a Compress Spring supporting base (3711) towards a side of Compress Spring (39) at this driving lever sliding axle (371), there is a driving lever sliding axle connecting thread head (3712) and form at the end of driving lever sliding axle (371), this driving lever sliding axle connecting thread head (3712) is threaded with described connecting thread head screw (343), torsion spring (38) is nested with on described unlocking board axle (33b), and be positioned between lockplate (35) and padlock box (32), the first torsion spring foot (381) of this torsion spring (38) is kept out on lockplate (35), and the second torsion spring foot (382) of torsion spring (38) probes in the torsion spring foot locating hole (325) being opened on padlock box (32), Compress Spring (39) is arranged in described unlocking board driving lever sliding tray (323), one end of this Compress Spring (39) is bearing in the Compress Spring support seat (3231) being formed in unlocking board driving lever sliding tray (323), and the other end of Compress Spring (39) is bearing on described Compress Spring supporting base (3711), the described other end end of the traction steel wire (73) of described release mechanism (7) and unlocking board driving lever (37) are fixing, described padlock circle (42) probes into groove (352) in the position corresponding to padlock circle slot to make way (322) and padlock lid padlock circle slot to make way (362) with described padlock circle and matches, and by lockplate (35) to its locking or unlock.

9. electric wheel-chair vehicle according to claim 2, it is characterized in that described handrail bindiny mechanism (5) comprises intermediate plate holder (51), intermediate plate (52) and spanner (53), intermediate plate holder (51) is fixed on the middle position of the length direction of described front-wheel boom pipe (111), and offer an intermediate plate holder adjustment tank (511) in one end of this intermediate plate holder (51), the other end offers an intermediate plate holder screw hole (512), intermediate plate (52) has face each other and coordinate a pair of, in one end of intermediate plate (52) and offering a pinching screw through hole (521) corresponding to the position of intermediate plate holder adjustment tank (511), the other end of intermediate plate (52) and offering intermediate plate fixing screw hole (522) corresponding to the position of intermediate plate holder screw hole (512), on this intermediate plate fixing screw hole (522), be equipped with an intermediate plate hold-down screw (5221), this intermediate plate hold-down screw (5221) is passing after intermediate plate fixing screw hole (522) and then is passing intermediate plate holder screw hole (512) and limit nut (52211) restriction by the intermediate plate hold-down screw screwing on intermediate plate hold-down screw (5221), the middle part of intermediate plate (52) forms a handrail tube jack (523), there is a pinching screw (531) one end of spanner (53) by pinching screw bearing pin (5311) is pivotally connected, this pinching screw (531) is equipped with pinching screw restriction nut (5312) after successively through pinching screw through hole (521) and intermediate plate holder adjustment tank (511), described pair of armrests (18) respectively has a handrail tube (181), handrail tube (181) coordinates with described handrail tube jack (523) plug.

10. electric wheel-chair vehicle according to claim 2, it is characterized in that described a pair of chair seat frame buffer gear (6) respectively comprises a buffer spring post (61) and a buffer spring (62), buffer spring post (61) is hinged towards one end and the chair seat frame (13) of described chair seat frame (13), and buffer spring post (61) is hinged towards one end and the front wheel carrier rear supporting tube (113) of described front wheel carrier rear supporting tube (113), buffer spring (62) is nested with on buffer spring post (61), wherein: be fixed with a buffer spring upper branching holder (611) towards one end of chair seat frame (13) at buffer spring post (61), and be fixed with a buffer spring lower bearing support (612) towards one end of front wheel carrier rear supporting tube (113) at buffer spring post (61), one end of described buffer spring (62) is bearing on buffer spring upper branching holder (611), and the other end is bearing on buffer spring lower bearing support (612).

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