CN202682214U

CN202682214U - Electric wheel chair

Info

Publication number: CN202682214U
Application number: CN 201220323186
Authority: CN
Inventors: 沈文华
Original assignee: CHANGSHU PINGFANG WHEELCHAIR CO LTD
Current assignee: CHANGSHU PINGFANG WHEELCHAIR CO LTD
Priority date: 2012-07-05
Filing date: 2012-07-05
Publication date: 2013-01-23
Anticipated expiration: 2022-07-05

Abstract

An electric wheel chair belongs to articles for daily life and comprises a pedal, a battery box, a pair of front frames, a pair of rear frames, a chair seat, a chair back, a pair of handrails and a handrail locking mechanism, wherein front shaft seats are arranged on both sides of the front end of the pedal; rear shaft seats are arranged on both sides of the rear end of the pedal; the battery box is connected with the pair of rear shaft seats and internally provided with a right wheel motor and a left wheel motor; a right wheel motor shaft of the right wheel motor is fixed with a right traveling wheel, and a left wheel motor shaft of the left wheel motor is fixed with a left traveling wheel; each front frame comprises a front direction wheel arm, a front frame arm and a folding mechanism; one end of each rear frame is articulated with the side part of the battery box; the other end of each rear frame is connected with a connecting rod of each rear frame; a rear universal wheel seat is fixed at the other end of each rear frame; rear universal wheels are arranged on the rear universal wheel seats; the chair seat is fixed on a chair seat bracket; the chair back is articulated with the chair seat; and a controller is arranged on one handrail and wirelessly matched with a controller host. The electric wheel chair has the advantages that the size can be reduced to facilitate storing; the wheel chair can rotate in situ and has a small turning radius, and has comfortable and safe effects.

Description

Electric wheelchair

Technical field

This utility model belongs to the daily living article technical field, is specifically related to a kind of electric wheelchair

Background technology

Electric wheelchair claims again electric wheel-chair vehicle, is that special population is such as disabled, old and weak, medical clinical rehabilitation patient's etc. walking-replacing tool.In published Chinese patent literature, is no lack of the technical information that is seen in about electric wheelchair, " multifunctional electric wheelchair " (being the four-wheel structure) of typically recommending such as Granted publication CN2745544Y, although this patent scheme can be folding towards the seat support direction with the chair back, and the direction of seat support towards base plate reclined, finally embody non-use and be the folding effect under the collecting state.But the car body volume after folding is still huge, because a pair of front-wheel and pair of rear wheels and pedal can't show the change in location state of following in sb's footsteps when folding with car body.

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

Summary of the invention

Task of the present utility model is to provide a kind of and helps to embody good folding effect and significantly reduced volume and conserve space and be conducive to embody excellent stationarity and use and ensure electric wheelchair comfortable and safety when using in the collection keeping after folding.

Task of the present utility model is finished like this, a kind of electric wheelchair, comprise a pedal, each consists of in the both sides of this pedal front end and in the position to correspond to each other a front axle bed, and in the both sides of rear end and equally each consists of a rear axle bed is arranged in the position to correspond to each other; One battery case, this battery case and described a pair of rear axle bed are pivotally connected, and in this battery case, be provided with a revolver motor and a right turbin generator, the revolver motor axle of revolver motor is stretched over outside the battery case and is fixed with a left lateral travelling wheel, and the right turbin generator axle of right turbin generator is stretched over outside the battery case and be fixed with a right lateral travelling wheel; Identical and a pair of front frame that the position corresponds to each other of structure, each front frame comprises front universal wheel arm, front truck boom and fold mechanism, the lower end of front universal wheel arm and described front axle bed are hinged, and be fixed with a front castor base, be provided with a front universal wheel at front castor base head lamp brush guard pivot, one end of the upper end of front universal wheel arm and front truck boom is hinged, pivot is arranged on the described battery case other end of front truck boom by arm axle, wherein: be fixed with a seat bracket at the front truck boom, fold mechanism is hinged between described front universal wheel arm and the described front truck boom, the described fold mechanism of one of them front frame in a pair of front frame is connected with an end of folding pull rod, and the fold mechanism of another front frame in a pair of front frame is connected with the other end of folding pull rod; Identical and the rear vehicle frame that the position corresponds to each other of a pair of structure, should be hinged to the sidepiece of an end of rear vehicle frame and described battery case, and the other end is connected by rear vehicle frame connecting rod, and is fixed with a rear castor base at this other end, is provided with rotationally a rear universal wheel on rear castor base; One seat support, this chair base supporting are fixed on the described seat bracket; One chair back, this chair back and described seat support are hinged; Pair of armrests and a handrail locking mechanism, each is fixed with the upper end of handrail supporting slider to handrail for this, the lower end of handrail supporting slider is connected with the handrail locking mechanism, and the handrail locking mechanism is fixed on the described seat bracket, wherein: appointing in described pair of armrests, select a handrail and to be provided with a controller that is used for controlling described revolver motor and right turbin generator work, the wireless cooperation of controller main frame of this controller and the top that is arranged on described battery case and below that be positioned at described seat support.

In a specific embodiment of the present utility model, described pedal has a pedal framework, and described front axle bed and rear axle bed are formed in the sidepiece of pedal framework, and the material of pedal is carbon fiber.

In another specific embodiment of the present utility model, be provided with a front running board axle at described front axle bed, described front castor base is connected with this front running board axle, described rear axle bed is provided with a bumper step axle, the bottom of described battery case and the battery case pivotal block is arranged consisting of corresponding to the position of described rear axle bed, battery case pivotal block and described bumper step axle are pivotally connected, and wherein: battery case adopts carbon fibre material to make.

In another specific embodiment of the present utility model, described fold mechanism comprises first connecting rod and second connecting rod, one end of first connecting rod and the middle part of described front universal wheel arm are hinged, the other end and described folding pull rod are hinged, one end of second connecting rod and folding pull rod is hinged and coaxial hinged with the described other end of described first connecting rod, and the other end of second connecting rod and described front truck boom are hinged, and wherein: the described other end of described front universal wheel arm is hinged by a described end of front universal wheel arm pivot and described front truck boom.

In another specific embodiment of the present utility model, respectively be connected with an acting cylinder at described battery case towards the two ends of a side of described rear vehicle frame connecting rod, this acting cylinder also is connected with described rear vehicle frame connecting rod.

Also have in the specific embodiment of the present utility model, described acting cylinder is the air spring cylinder.

More of the present utility model and in specific embodiment, respectively be fixed with a semiaxis at the sidepiece at the two ends of described battery case and in the position corresponding to described rear vehicle frame, and in the end formation of rear vehicle frame one rear vehicle frame connecting bushing is arranged, should be nested with on semiaxis, wherein by rear vehicle frame connecting bushing: the shape of rear vehicle frame is the L shaped of English alphabet.

In of the present utility model and then specific embodiment, below described seat support, be equipped with a workbox, this workbox and described seat bracket are fixed, and described controller main frame is positioned at the below in workbox.

Of the present utility model again more and in specific embodiment, the framework material of described seat support and the described chair back is carbon fiber.

In again of the present utility model and then specific embodiment, described handrail locking mechanism comprises a holder and a location-plate, holder and described seat bracket are fixed, location-plate is connected with holder, this location-plate has a handrail supporting slider sliding tray towards the side formation of described handrail supporting slider, the described lower end of handrail supporting slider and this handrail supporting slider sliding tray are slidingly matched, and the side at location-plate offers a lock hole, is equipped with a lock screw that is used for the locking of handrail supporting slider or release at lock hole.

The technical scheme that this utility model provides constitutes four connecting rods relation between this by front universal wheel arm, battery case, front truck boom and pedal, and fold mechanism and front universal wheel arm and front truck boom form again the four connecting rods relation of self, thereby can conveniently fold and reduced volume and be convenient to collect significantly after folding; Owing to except having left and right road wheel, also have a pair of front universal wheel, a pair of rear universal wheel, thereby consist of six wheel constructions, have the strong point that the original place is rotatable and radius of turn is little and have effect comfortable and safety.

Description of drawings

Fig. 1 is example structure figure of the present utility model.

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

Fig. 3 is that this utility model is in the sketch map in the folding process.

Fig. 4 is the sketch map that this utility model is in folding rear collecting state.

The specific embodiment

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

See also Fig. 1 and Fig. 2, provided a pedal 1, this pedal 1 has pedal framework 13, each consists of in the edge of the front side of this pedal framework 13 and in the position to correspond to each other a front axle bed 11, be equipped with a front running board axle 111(at this front axle bed 11 and also can claim the front running board bearing pin), in the edge of the rear side of pedal framework 13 and equally each consists of a rear axle bed 12 is arranged in the position to correspond to each other, each rear axle bed 12 is provided with a bumper step axle 121(and also can claims the bumper step bearing pin), the material of pedal 1 is carbon fiber, carbon fiber has desirable intensity, have again the light characteristics of deal, for electric wheelchair, weight reduction is the direction that present industry is pursued, then more be easy to carry because weight is lighter, the battery case 2 that the below also will mention, therefore seat support 5 and the chair back 6 can make the overall weight of electric wheelchair significantly reduce owing to used equally carbon fiber.

A battery case 2 that provides also can be described as battery holder, at the two ends of the bottom of the length direction of this battery case 2 and in that each consists of a battery case pivotal block 23 is arranged corresponding to the position of aforesaid rear axle bed 12, this battery case pivotal block 23 is pivotally connected with aforesaid bumper step axle 121.One revolver motor 21 and a right turbin generator 22 are installed in battery case 2, the revolver motor axle 211 of revolver motor 21 is stretched over or claims to lean out outside the battery case 2, and be fixed with a left lateral travelling wheel 2111, and the right turbin generator axle 221 of right turbin generator 22 is stretched over outside the battery case 2 equally, and is fixed with a right lateral travelling wheel 2211.Each is fixed with a rear vehicle frame semiaxis 25 with level the sidepiece at the two ends of this external battery case 2.Preferably, below corresponding to rear vehicle frame semiaxis 25, be fixed with a dashboard 26, take location status shown in Figure 1 as example, the dashboard 26 on the left side is corresponding to the top of aforesaid left lateral travelling wheel 2111, and the dashboard 26 on the right is corresponding to the top of aforesaid right lateral travelling wheel 2211.

By shown in Figure 1, the structure of a pair of front frame 3 that provides is mutually the same, and the installation site keeps mutual corresponding relation, each front frame 3 comprises front universal wheel arm 31, front truck boom 32 and fold mechanism 33, front running board axle 111 on the lower end of front universal wheel arm 31 and the aforesaid front axle bed 11 is pivotally connected, and be fixed with a front castor base 311, on front castor base 311, be provided with rotationally a front universal wheel 3111.The upper end of front universal wheel arm 31 is hinged with an end of front truck boom 32 by front universal wheel arm pivot 312, thereby make the upper end of this front universal wheel arm 31 and front truck boom 32 form articulated hinged relationship, the other end of front truck boom 32 is connected on the aforesaid battery case 2 by arm axle 321, specifically: arm axle 321 is located at arm axle seat 3211, and arm axle seat 3211 is located at (Fig. 2 and Fig. 3 show) on the battery case 2.In addition, respectively be fixed with a seat bracket 322 on the rear front truck boom 32 of a pair of front frame 3, by shown in Figure 1, the shape size of a pair of seat bracket 322 is identical and correspond to each other.As aforementioned, because front frame 3 has a pair of, therefore aforesaid fold mechanism 33 has a pair of of same structure, each fold mechanism 33 comprises a first connecting rod 331 and a second connecting rod 332, one end of first connecting rod 331 is namely hinged with the swivel pin axle bed 313 that is fixed on the front universal wheel arm 31 by hinging pin shaft 3311 towards an end of aforesaid front universal wheel arm 31, and the other end of first connecting rod 331 is namely hinged towards an end of an end of second connecting rod 332 and folding pull rod 34, and a described end of second connecting rod 332 and the described other end of first connecting rod 331 are hinged with an end of coaxial manner and folding pull rod 34, the other end of second connecting rod 332 is hinged by the swivel pin axle bed on folding hinging pin shaft and the aforesaid front truck boom 32 equally, first of the other end of folding pull rod 34 and another fold mechanism 33, second connecting rod 331,332 is coaxial hinged.

As shown in the above description, because aforesaid scooter 21, front universal wheel arm 31, front truck boom 32 and battery case 2 relation between this constitutes the structural relation of four connecting rods, again because first, second connecting rod 331,332 with the relation (Fig. 3 shows) of front universal wheel arm 31 and front truck boom 32 formation four connecting rods, therefore, can embody efficiently folding effect when dragging to draw when folding pull rod 34 folds, and after folding remarkable reduced volume and be convenient to collect (Fig. 4 shows).

The rear vehicle frame 4 that provides has a pair of and geometry of same structure all to be the L shaped of English alphabet or claims to be 7 fonts of Arabic numerals, an end of vehicle frame 4 namely has a rear vehicle frame connecting bushing 43 towards the end formation of aforesaid battery case 2 after each, should be nested with on aforesaid rear vehicle frame semiaxis 25 by rear vehicle frame connecting bushing 43, and the lower end is fixedly connected with and is fixed with a rear castor base 42 with an end of rear vehicle frame connecting rod 41, be provided with rotationally a rear universal wheel 421 on rear castor base 42, vehicle frame 4 is fixedly connected with behind another in the other end of aforesaid rear vehicle frame connecting rod 41 and a pair of rear vehicle frame 4.

Shown in figure, respectively be equipped with an acting cylinder 24 at aforesaid battery case 2 towards the two ends of a side of rear vehicle frame connecting rod 41, and each acting cylinder 24 also is connected with rear vehicle frame connecting rod 41, and acting cylinder 24 is the air spring cylinder, plays the Stabilization to rear vehicle frame connecting rod 41.

Illustrated seat support 5 is fixed by chair seat board 52 and aforesaid a pair of seat bracket 322, namely between a pair of seat bracket 322, comprises that the used material of seat support skeleton of chair seat board 52 is carbon fiber.Be equipped with a workbox 51 below seat support 5, workbox 51 is drawer type structure and fixing with seat bracket 322.The chair back 6 passes through by the chair back plate 61 of carbon fibre material making and hinged by means of pivotal axis 611 and aforesaid chair seat board 52.Hence one can see that, and the chair back 6 both can be amounted to into state shown in Figure 4 towards the direction of seat support 5, again can be towards the direction that deviates from seat support 5 exhibition of pulling to user mode illustrated in figures 1 and 2.

The pair of armrests 7 that provides is corresponding to the both sides of seat support 5, below each handrail 7, namely respectively be fixed with a handrail pipe support 73 towards a side of handrail supporting slider 71, by this handrail pipe support 73 handrail 7 and the upper end of handrail supporting slider 71 are fixed, and the lower end of handrail supporting slider 71 and handrail locking mechanism 8 are slidingly matched.At present embodiment, controller 72 has been arranged on the handrail 7 on the left side in the pair of armrests 7, but also can be arranged on the handrail 7 on the right, for example for left-handed crowd, preferably controller 72 is arranged on the handrail 7 on the right of location status shown in Figure 1, vice versa.This controller 72 is connected with controller main frame 9 controlled in wireless of the below that is arranged on seat support 5 or claims remote control to connect, in order to will receive the signal feedback of controller 72 to aforesaid left and right turbin generator 21,22 by controller main frame 9, that is to say that left and right turbin generator 21,22 is connected with 9 electrical controls of controller main frame.

Aforesaid handrail locking mechanism 8 preferably but not the structure that definitely is limited to is as follows: comprise a holder 81 and a location-plate 82, holder 81 is screwed on aforesaid seat bracket 322, and location-plate 82 usefulness screws 823 are fixing with holder 81, because the shape of cross section of this location-plate 81 takes the shape of the letter U, thereby a handrail supporting slider sliding tray 821 being arranged consisting of towards a side of handrail supporting slider 71, the lower end of handrail supporting slider 71 and this handrail supporting slider sliding tray 821 are slidingly matched.Side at location-plate 82 offers a screw hole 822, and is equipped with a lock screw 8221 at this screw hole 822.When the lower end of handrail supporting slider 71 is in the state that is slidingly fitted with handrail supporting slider sliding tray 821, and lock screw 8221 revolved and during to the degree of contact handrail supporting slider 71, then to 71 lockings of handrail supporting slider, vice versa.

As shown in the above description, left and right road wheel 2111,2211, a pair of front universal wheel 311 and a pair of rear universal wheel 421 formed six wheel constructions of this utility model electric wheelchair, can the original place rotates but also can reduce turning radius and smooth running and safe technique effect thereby showed not only ultimate attainmently.

See also Fig. 3 and Fig. 4, the concise and to the point narration of applicant is of the present utility model folding, be in non-working condition and when needing collection at this utility model, at first remove the locking to handrail supporting slider 71, the chair back 6 is amounted to towards the direction of seat support 5, draw aforesaid folding pull rod 34 by dragging again, this moment is under the synergism of the first connecting rod 331 of fold mechanism 33 and second connecting rod 332, front universal wheel arm 31 is presented by state shown in Figure 3 together with pedal 1, be in limit state shown in Figure 4 until be folded to front universal wheel arm 31 with front truck boom 32, make the chair back, seat support 5, battery case 2 and pedal 1 are top-down superimposed relationship, therefore the volume compression effect is very good, is convenient to dwindle taking up room

Claims

1. A kind of electric wheelchair, it is characterized in that comprising a pedal (1), each consists of in the both sides of this pedal (1) front end and in the position to correspond to each other a front axle bed (11), and in the both sides of rear end and equally each consists of a rear axle bed (12) is arranged in the position to correspond to each other; One battery case (2), this battery case (2) is pivotally connected with described a pair of rear axle bed (12), and in this battery case (2), be provided with a revolver motor (21) and a right turbin generator (22), the revolver motor axle (211) of revolver motor (21) is stretched over outside the battery case (2) and is fixed with a left lateral travelling wheel (2111), and the right turbin generator axle (221) of right turbin generator (22) is stretched over outside the battery case (2) and be fixed with a right lateral travelling wheel (2211); Identical and a pair of front frame that the position corresponds to each other (3) of structure, each front frame (3) comprises front universal wheel arm (31), front truck boom (32) and fold mechanism (33), the lower end of front universal wheel arm (31) and described front axle bed (11) are hinged, and be fixed with a front castor base (311), be provided with a front universal wheel (3111) at front castor base (311) head lamp brush guard pivot, one end of the upper end of front universal wheel arm (31) and front truck boom (32) is hinged, pivot is arranged on the described battery case (2) other end of front truck boom (32) by arm axle (321), wherein: be fixed with a seat bracket (322) at front truck boom (32), fold mechanism (33) is hinged between described front universal wheel arm (31) and the described front truck boom (32), the described fold mechanism (33) of one of them front frame (3) in a pair of front frame (3) is connected with an end of folding pull rod (34), and the fold mechanism (33) of another front frame (3) in a pair of front frame (3) is connected with the other end of folding pull rod (34); Identical and the rear vehicle frame that the position corresponds to each other (4) of a pair of structure, should be hinged to the sidepiece of an end of rear vehicle frame (4) and described battery case (2), and the other end is connected by rear vehicle frame connecting rod (41), and be fixed with a rear castor base (42) at this other end, on rear castor base (42), be provided with rotationally a rear universal wheel (421); One seat support (5), this seat support (5) supporting is fixed on the described seat bracket (322); One chair back (6), this chair back (6) is hinged with described seat support (5); Pair of armrests (7) and a handrail locking mechanism (8), each is fixed with the upper end of handrail supporting slider (71) to handrail (7) for this, the lower end of handrail supporting slider (71) is connected with handrail locking mechanism (8), and handrail locking mechanism (8) is fixed on the described seat bracket (322), wherein: appointing in described pair of armrests (7), select a handrail (7) and be provided with one for the controller (72) of controlling the work of described revolver motor (21) and right turbin generator (22), this controller (72) and wireless cooperation of controller main frame (9) top that is arranged on described battery case (2) and below that be positioned at described seat support (5).

2. Electric wheelchair according to claim 1, it is characterized in that described pedal (1) has a pedal framework (13), described front axle bed (11) and rear axle bed (12) are formed in the sidepiece of pedal framework (13), and the material of pedal (1) is carbon fiber.

3. Electric wheelchair according to claim 1, it is characterized in that being provided with a front running board axle (111) at described front axle bed (11), described front castor base (311) is connected with this front running board axle (111), described rear axle bed (12) is provided with a bumper step axle (121), the bottom of described battery case (2) and battery case pivotal block (23) is arranged consisting of corresponding to the position of described rear axle bed (12), battery case pivotal block (23) is pivotally connected with described bumper step axle (121), and wherein: battery case (2) adopts carbon fibre material to make.

4. Electric wheelchair according to claim 1, it is characterized in that described fold mechanism (33) comprises first connecting rod (331) and second connecting rod (332), the middle part of one end of first connecting rod (331) and described front universal wheel arm (31) is hinged, the other end and described folding pull rod (34) are hinged, one end of second connecting rod (332) and folding pull rod (34) are hinged and coaxial hinged with the described other end of described first connecting rod (331), and the other end of second connecting rod (332) and described front truck boom (32) are hinged, and wherein: the described other end of described front universal wheel arm (31) is hinged with a described end of described front truck boom (32) by front universal wheel arm pivot (312).

5. Electric wheelchair according to claim 1, it is characterized in that respectively being connected with an acting cylinder (24) at described battery case (2) towards the two ends of a side of described rear vehicle frame connecting rod (41), this acting cylinder (24) also is connected with described rear vehicle frame connecting rod (41).

6. Electric wheelchair according to claim 5 is characterized in that described acting cylinder (24) is the air spring cylinder.

7. Electric wheelchair according to claim 1, it is characterized in that respectively being fixed with a semiaxis (25) at the sidepiece at the two ends of described battery case (2) and in the position corresponding to described rear vehicle frame (4), and in the end formation of rear vehicle frame (4) a rear vehicle frame connecting bushing (43) is arranged, should be nested with on semiaxis (25), wherein by rear vehicle frame connecting bushing (43): the shape of rear vehicle frame (4) is the L shaped of English alphabet.

8. Electric wheelchair according to claim 1, it is characterized in that being equipped with a workbox (51) in the below of described seat support (5), this workbox (51) is fixing with described seat bracket (322), and described controller main frame (9) is positioned at the below of workbox (51).

9. Electric wheelchair according to claim 1 is characterized in that the framework material of described seat support (5) and the described chair back (6) is carbon fiber.

10. Electric wheelchair according to claim 1, it is characterized in that described handrail locking mechanism (8) comprises a holder (81) and a location-plate (82), holder (81) is fixing with described seat bracket (322), location-plate (82) is connected with holder (81), this location-plate (82) has a handrail supporting slider sliding tray (821) towards the side formation of described handrail supporting slider (71), the described lower end of handrail supporting slider (71) and this handrail supporting slider sliding tray (821) are slidingly matched, and the side at location-plate (82) offers a lock hole (822), is equipped with a lock screw (8221) that is used for handrail supporting slider (71) locking or release at lock hole (822)