CN202682210U - Electric folding wheelchair - Google Patents
Electric folding wheelchair Download PDFInfo
- Publication number
- CN202682210U CN202682210U CN 201220217933 CN201220217933U CN202682210U CN 202682210 U CN202682210 U CN 202682210U CN 201220217933 CN201220217933 CN 201220217933 CN 201220217933 U CN201220217933 U CN 201220217933U CN 202682210 U CN202682210 U CN 202682210U
- Authority
- CN
- China
- Prior art keywords
- guide wheel
- connecting member
- wheel
- electric wheelchair
- flexible connecting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Automatic Cycles, And Cycles In General (AREA)
Abstract
The utility model discloses an electric folding wheelchair which comprises a support, a walking device, a chair device, a hook device and a steering controller. The support comprises a front support, a back support, a main support and a chair support, wherein the main support is used for connecting the front support with the back support and can be folded, the chair support is used for supporting the chair device, the walking device comprises a pair of front wheels and a back wheel, the pair of front wheels are arranged on the front support, and the back wheel is arranged on the back support and is provided with an electric driving device; the main support is divided into two groups, one group is an inner side lower longitudinal beam, the other group is an outer side longitudinal rod group formed by hinging two longitudinal rod pairs, the lower longitudinal beam and longitudinal rods of the longitudinal rod pairs are hinged through a self-lock rod so as to be crossed up and down; and the hook device is fixedly connected with the back end of the chair support, and a self-lock hook of the hook device is locked on the self-lock rod when the electric folding wheelchair is in use. The electric folding wheelchair disclosed by the utility model has low cost, is convenient to fold and can largely save space after being folded.
Description
Technical field
This utility model relates to electric wheelchair, relates in particular to a kind of folding electric wheelchair.
Background technology
China is progressing into aging society, improves the life of elderly person quality, cares about the important topic that the old people becomes society.The old people has a considerable amount of old people's legs and feet inconvenience with advancing age, affects normal outdoor activity.Therefore, for the old people provides stably walking-replacing tool of a kind of low cost, easy to operate and traveling, be an important ring of implementing love old people policy.Except the old people, the people with disability of lower limb disability or temporary transient handicapped patient also have same demand.
Wheelchair is a kind of important apparatus of helping the disabled, and also is the old people's of legs and feet inconvenience desirable walking-replacing tool.Yet common wheelchair generally needs to drive by occupant's self upper limbs force, is perhaps promoted to exercise by other people.
With respect to traditional push chairs, the power of electric wheelchair is not only applicable to the old people that gets old and weak, and same, it also is suitable for the people with disability of lower limb disability or the patient that can not walk.Electric wheelchair has energy-conserving and environment-protective, energy supply and reaches lastingly the adjustable advantage of speed, also no longer relies on man-driven to advance.
Because it is larger that wheelchair itself just takes up an area, user needs larger space when depositing, and for the existence of electric wheelchair owing to its storage battery, has strengthened folding difficulty.Folding electric wheelchair cost of the prior art is high, folding still need to take larger space after inconvenient and folding.
Therefore, need that a kind of cost of exploitation is low, folding convenient and folding after can greatly save space-efficient folding electric wheelchair.
Summary of the invention
For problems of the prior art, the purpose of this utility model is to provide that a kind of cost is low, folding convenient and folding after can greatly save space-efficient folding electric wheelchair, to overcome high, the folding technical problem that still need take larger space after inconvenient and folding of prior art folding electric wheelchair cost.
This utility model is achieved through the following technical solutions:
A kind of folding electric wheelchair, described folding electric wheelchair comprises support, running gear, seat unit, hooking device and steering control device, described support comprises the main support that can fold of fore-stock, after-poppet, the described fore-stock of connection and described after-poppet and is used for supporting the seat support of described seat unit that described running gear comprises a pair of front-wheel that is arranged at described fore-stock and is arranged at the trailing wheel with electric driver of described after-poppet; Described main support is divided into two groups, and one group is inboard lower longeron, another group be the outside by two vertical poles to the hinged vertical pole group that forms, the vertical pole in lower longeron and the vertical pole group is to passing through the hinged and top-bottom cross of a self-lock rod; Described hooking device is fixedly connected on described seat support rear end, and the Self-locking hanging hook of described hooking device is locked on the described self-lock rod when described folding electric wheelchair is in user mode.
Folding electric wheelchair of the present utility model, preferred, described steering control device comprises: the closed flexible connecting member with some strength and be connected in a pair of first guide wheel of described support, a pair of the second guide wheel and a pair of the 3rd guide wheel; Described flexible connecting member is supported and guiding by described a pair of the first guide wheel, described a pair of the second guide wheel and described a pair of the 3rd guide wheel, and described flexible connecting member also is wound in described trailing wheel rotating shaft to drive described rear-axle steering; Described a pair of the first guide wheel extends out to forward described the first guide wheel from the extended described flexible connecting member of described trailing wheel rotating shaft, extends to described the second guide wheel before described the first guide wheel is backward; Described a pair of the second guide wheel, extand rearward to described the 3rd guide wheel from the extended described flexible connecting member of described the second guide wheel, the operating grip that is connected with described the second guide wheel concentric, so that user rotates by described the second guide wheel of operating operation handle drives, be wound in described the second guide wheel to drive the direction that described flexible connecting member moves along described operating grip; Described a pair of the 3rd guide wheel extends horizontally to described the 3rd guide wheel of offside from the extended described flexible connecting member of described the 3rd guide wheel.
Folding electric wheelchair of the present utility model, preferred, described steering control device also comprises a pair of four guide idler, described four guide idler is fixedly connected on described after-poppet top near the position of described trailing wheel rotating shaft; Extend described the first guide wheel from the extended described flexible connecting member of described trailing wheel rotating shaft through the backward forwards of described four guide idler; Described the second guide wheel vertically arranges, described the first guide wheel and described four guide idler are horizontally disposed with, described the 3rd guide wheel is perpendicular to described the second guide wheel setting, and described the 3rd guide wheel is positioned at described the first guide wheel below, and described the first guide wheel and described the 3rd guide wheel are arranged on the same U-shaped frame.
Folding electric wheelchair of the present utility model, preferably, be provided with fixing first hold-down screw of described flexible connecting member to prevent that described flexible connecting member from skidding with respect to described trailing wheel rotating shaft in the described trailing wheel rotating shaft, be provided with fixing first hold-down screw of described flexible connecting member to prevent that described flexible connecting member from skidding with respect to described the second guide wheel on described the second guide wheel.
Folding electric wheelchair of the present utility model, preferred, described trailing wheel is the trailing wheel that is provided with electric driver.
Folding electric wheelchair of the present utility model, preferred, described flexible connecting member is the steel wire rope of 2-6mm.
Folding electric wheelchair of the present utility model, preferred, described trailing wheel rotating shaft has the sweptback angle of inclination less than 30 degree.
Folding electric wheelchair of the present utility model, preferred, described angle of inclination is 15 degree.
Folding electric wheelchair of the present utility model, preferably, the position of the rear end central authorities of described cushion rack, be welded with backward horizontally extending extension device, described extension device is comprised of a top board and biside plate, described side plate end is equipped with the hook rotating shaft, the pivotable described Self-locking hanging hook that a pair of S shape is set on the two axial ends of described hook rotating shaft, and described a pair of Self-locking hanging hook is fixed together by described top board.
Folding electric wheelchair of the present utility model, preferred, described Self-locking hanging hook is to be locked between the right vertical pole of described lower longeron on the self-lock rod and described vertical pole when lock-out state.
The beneficial effects of the utility model are that compared with the prior art, folding electric wheelchair of the present utility model can be saved the land used of placing wheelchair.And, folding electric wheelchair of the present utility model, cost is low, and folding operation is convenient, and the space that takies after folding obviously reduces.
Description of drawings
Fig. 1 is that the master of the folding electric wheelchair of this utility model embodiment looks sketch map;
Fig. 2-Fig. 4 is the schematic perspective view of the folding electric wheelchair of this utility model embodiment;
Fig. 5 is that sketch map is looked on the right side of the folding electric wheelchair of this utility model embodiment;
Fig. 6 is the schematic top plan view of the folding electric wheelchair of this utility model embodiment;
Fig. 7 is the hooking device sketch map of the folding electric wheelchair of this utility model embodiment;
Fig. 8 is the schematic perspective view of steering control device of the first embodiment of the folding electric wheelchair of this utility model embodiment;
Fig. 9 is the schematic perspective view of steering control device of the second embodiment of the folding electric wheelchair of this utility model embodiment;
Figure 10 is the schematic perspective view of steering control device of the third embodiment of the folding electric wheelchair of this utility model embodiment;
Figure 11 is the folded state sketch map of the folding electric wheelchair of this utility model the second embodiment.
The specific embodiment
The exemplary embodiments that embodies this utility model feature ﹠ benefits will be described in detail in the following description.Be understood that this utility model can have at different embodiment various variations, its neither disengaging scope of the present utility model, and explanation wherein and accompanying drawing be when the usefulness that explain in itself, but not in order to limit this utility model.
In this description, about be to be as the criterion with the left and right directions that the occupant is sitting on the wheelchair, occupant's left hand one side is left, the right hand one side be the right side, the occupant towards a side be before, after an occupant side dorsad is.
The folding electric wheelchair of this utility model embodiment, can divide into five major parts according to function, the steering control device that namely support the support of whole folding electric wheelchair, directly contact and supports the running gear of the traveling of seat unit, realization folding electric wheelchair of user parts of body and brake with user, travels and turn to for the hooking device that seat unit is locked in support and realization folding electric wheelchair.
Briefly, the folding electric wheelchair of this utility model embodiment is the three-wheel wheelchair, and running gear comprises trailing wheel 3 and front-wheel, and front-wheel comprises the near front wheel 1 and off-front wheel 2; Seat unit mainly comprises seat cushion 10, backrest 12, handrail 13 and pedal 14; Support mainly comprise for the fore-stock that connects front-wheel, be used for connecting trailing wheel after-poppet, be used for the seat support and the main support that is connected fore-stock and after-poppet of each parts of supporting chair device; Steering control device mainly comprises left and right sides operating grip 6,9, flexible connecting member 4 and the many groups guide wheel that is used for supporting or twining flexible connecting member 4.
Below specifically introduce the folding electric wheelchair of this utility model embodiment:
One, running gear
Such as Fig. 1-shown in Figure 4, the folding electric wheelchair of this utility model embodiment, trailing wheel 3 is drivewheel in its running gear, the near front wheel 1 and off-front wheel 2 are driven pulley, and brake gear is to brake by control the near front wheel 1 and off-front wheel 2.
The near front wheel 1 and off-front wheel 2 arrange at an angle with vertical direction, to increase the riding stability of folding electric wheelchair.3 of trailing wheels arrange in the vertical direction, be provided with motor in the wheel hub 31 of trailing wheel 3 and travel to drive trailing wheel 3, and then the Foldable electric wheelchair travels.
Brake gear comprises brake lever 21, brake cable 22 and the brake assemblies (not shown) of all installing at the near front wheel 1 and off-front wheel 2, brake assemblies such as bicycle or the employed brake rubber block of motorcycle, brake rim or brake block of brake assemblies, brake assemblies is connected on the brake lever 21 by brake cable 22, brake lever 21 is fixed on the below of left and right sides operating grip 6,9 leading sections by connecting ring 24, when needs brake, the occupant holds brake lever 21, with its to the left and right operating grip 6,9 leading section direction rotation, can realize brake.Left and right sides operating grip 6,9 end also are arranged with grip part 23.Also can be provided for controlling the folding electric wheelchair on the grip part 23 and start and the switch key that stops, switch key is connected to accumulator 36 by cable.
Two, support
Such as Fig. 1-shown in Figure 5, in the present embodiment, be used for connecting the fore-stock of front-wheel, comprise fore-stock girder 7, a pair of connection vertical pole 71, front beam 61 and front longitudinal 62, preferably, fore-stock girder 7, connection vertical pole 71, front beam 61 and front longitudinal 62 are all in same plane; The after-poppet that is used for connection trailing wheel 3 comprises trailing wheel rotating shaft, rotating shaft socket housing 5, back vent crossbeam 32 and back vent vertical pole 33; And the seat support that is used for each parts of supporting chair device comprises cushion rack 11, back bracket 15, handrail rotating shaft 16 and backrest connector 18; And the main support that connects fore-stock and after-poppet is folding main support.
In the present embodiment, main support is divided into two groups, and one group is inboard lower longeron 80, another group be the outside by vertical pole to 72, the 73 hinged vertical pole groups that form, the vertical pole in lower longeron 80 and the vertical pole group to 72 by the hinged and top-bottom cross of self-lock rod 77.Lower longeron 80 can be selected the thicker circle of diameter or square pipe, bar or oval tubing and bar.
The front end of lower longeron 80 is articulated in cushion rack 11, the rear end then is articulated in rotating shaft socket housing 5, be socketed the position of the close bottom of housing 5 in rotating shaft, symmetrically be provided with connector 81 under the countershaft, the top of connector 81 is symmetrical being provided with for connecting the rotating shaft upper connector 74 of vertical pole to 73 equally under the rotating shaft, the below of connector 81 then is the brace 45,55 that is symmetrical set under the rotating shaft, brace 45,55 act in the follow-up steering control device and do introduction.
Pass through through shaft 97 hinged lower longerons 80 under the rotating shaft on the connector 81.And on the rotating shaft upper connector 73, then by through shaft 96 hinged vertical poles to 73 rear end.
The front end of lower longeron 80 then is articulated in the tail end of cushion rack 11 by jointed shaft 94, jointed shaft 94 can be through shaft.
Vertical pole is articulated in vertical pole to 72 to 73 front ends by through shaft 95, at vertical pole to 72 middle part, be articulated in lower longeron 80 by self-lock rod 77, vertical pole then is fixedly connected on respectively the fore-stock rear end to the front end of 72 two vertical poles vertical pole is to 71 two vertical poles, and vertical pole is to be fixedly connected on fore-stock girder 7 to 71 front end.
Vertical pole is welded in the fore-stock girder 7 of U-shaped to the front end of 71 two vertical poles, the large U-shaped inboard of fore-stock girder 7 is fixedly connected with a pair of front longitudinal 62, each front longitudinal 62 forms a little U-shaped opening with the side of fore-stock girder 7, and the near front wheel 1 and off-front wheel 2 namely are arranged in the described little U-shaped opening.Be fixedly connected with front beam 61 between the end of two front longitudinals 62; The place ahead of front beam 61 is hinged with pedal 14, for example by hinge pedal 14 is articulated in front beam 61.The quadrilateral frame that fore-stock girder 7, two front longitudinals 62 and front beam 61 surround, can be used for placing the accumulator 36 of folding electric wheelchair, the line of the motor in accumulator 36 and the rear-wheel hub 31 can be along fore-stock, main support and after-poppet cabling, if fore-stock, main support and after-poppet are tubing, then also can be in the tube chamber of tubing cabling.
The seat support of the folding electric wheelchair of this utility model embodiment will be introduced with seat unit.
After-poppet comprises trailing wheel rotating shaft, rotating shaft socket housing 5, back vent crossbeam 32 and back vent vertical pole 33, the trailing wheel rotating shaft is arranged in the rotating shaft socket housing 5, the top of rotating shaft socket housing 5 is fixedly connected on vertical pole to 73 and the rear end of lower longeron 80, the bottom of the trailing wheel rotating shaft in the rotating shaft socket housing 5 is fixedly connected on the top middle position of back vent crossbeam 32, the below at back vent crossbeam 32 two ends is fixedly connected with respectively two back vent longerons 33, trailing wheel 3 namely is connected between the two back vent longerons 33, and the trailing wheel rotating shaft of trailing wheel 3 is connected in the bottom of back vent longeron 33.Rotating shaft socket housing 5, back vent crossbeam 32 and back vent vertical pole 33 are in same plane, this plane has the sweptback angle of inclination less than 30 degree, namely become the angle less than 30 degree with vertical direction, also be that rotating shaft socket housing 5 has a sweptback angle of inclination less than 30 degree, preferably, this angle of inclination is 15 degree.
Three, seat unit and seat support
As depicted in figs. 1 and 2, the folding electric wheelchair of this utility model embodiment, its seat unit mainly comprises seat cushion 10, backrest 12, handrail 13 and pedal 14, and seat support comprises cushion rack 11, back bracket 15, handrail rotating shaft 16, handrail locating rod 17, backrest connector 18 and front support stand 34, and strengthens the accessories such as boss 20 and lug 19.
Wherein, seat cushion 10 is square or rectangular, and that can take out is installed in the cushion rack 11.The front end of cushion rack 11 below is formed with that rotating connection (for example connecting by bearing) has inverted U-shaped front support stand 34 in the through hole of two lugs, 19, two lugs 19.As depicted in figs. 1 and 2, the U-shaped two ends of the U-shaped two ends of front support stand 34 and fore-stock girder 7 are hinged.The bottom, rear end of cushion rack 11 then is articulated in the front end of lower longeron 80 by jointed shaft 94.Therefore, formed stable support to cushion rack 11 by front support stand 34 and front longitudinal 80.
14 of pedals are articulated in front beam 61, can pack up and put down.
The seat unit of the folding electric wheelchair of this utility model embodiment has simple in structure, easy realization, foldable and the low advantage of cost, effectively reduces the cost of whole folding electric wheelchair.
Four, steering control device
The steering control device of the folding electric wheelchair of this utility model embodiment can be but is not limited to following three kinds of embodiments:
The steering control device of the first embodiment:
As shown in Figure 8, the steering control device of this utility model the first embodiment mainly comprises four groups of guide wheels and supports flexible connecting member 4 with guiding by these four groups of guide wheels, and flexible connecting member 4 is closed and have a some strength.Flexible connecting member 4 flexible windings but can not flexiblely stretch, preferably steel wire rope also can be nylon material etc.The diameter of steel wire rope for example can be 2-6mm.Flexible connecting member 4 is wrapped in the trailing wheel rotating shaft, rotates to drive trailing wheel 3 by the rotating shaft of drive trailing wheel and turns to.
As shown in Figure 8, four groups of guide wheels are respectively guide wheel 41,51, guide wheel 42,52, guide wheel 43,53 and guide wheel 44,54; All fluted flexible connecting member 4 is played support and guide effect on the circumference of each guide wheel.
The bottom of rotating shaft socket housing 5 also is the left and right sides, top, position that flexible connecting member 4 is twined in the trailing wheel rotating shaft, is fixedly connected with respectively the brace 45,55 of lamellar, is fixedly connected with respectively guide wheel 41,51 on the brace 45,55; Extend described guide wheel 42,52 from the extended flexible connecting member 4 of trailing wheel rotating shaft through guide wheel 41,51 backward forwards.
As shown in Figure 8, be fixedly connected with guide wheel 42,52 and guide wheel 44,54 U-shaped frame 46,56 be fixedly connected on fore-stock girder 7 rear sides, two upper surfaces of each U-shaped frame all can be used for being fixedly connected with guide wheel with two lower surfaces, the guide wheel 42 in the present embodiment, 52 and guide wheel 44,54 all are the upper surfaces that are arranged at wherein.Guide wheel 41,51 extended flexible connecting members 4 extend to guide wheel 43,53 through guide wheel 42,52 before backward.
As shown in Figure 8, be fixedly connected with the inboard that guide wheel 43,53 connecting plate 48,58 are fixedly connected on fore-stock girder 7, with the left operating grip 6 of being connected with of guide wheel 43,53 concentrics and right operating grip 9, so that user is wound in guide wheel 43,53 or leave guide wheel 43,53 by operation left and right sides operating grip 6,9 with the direction that drives flexible connecting member 4 and move along left and right sides operating grip 6,9, and then drive trailing wheel rotating shaft rotation, realize turning to of folding electric wheelchair.
Behind guide wheel 44,54, extend horizontally to the guide wheel 54,44 of offside from guide wheel 43,53 extended flexible connecting members 4.
Except guide wheel 43,53 vertically arranges, guide wheel 41,51, guide wheel 42,52 and guide wheel 44,54 all can be horizontally disposed with.Setting position with each guide wheel among Fig. 8, the winding direction of flexible connecting member 4 on guide wheel both can be the order according to guide wheel 41, guide wheel 42, guide wheel 43, guide wheel 44, guide wheel 54, guide wheel 53, guide wheel 52, guide wheel 51, also can be according to the order of guide wheel 41, guide wheel 44, guide wheel 43, guide wheel 42, guide wheel 52, guide wheel 53, guide wheel 54, guide wheel 51.
For preventing that flexible connecting member 4 from skidding with respect to guide wheel 43,53, guide wheel 43,53 front end are respectively arranged with the hold- down screw 47,57 of fixing flexible connector 4.Be to skid for preventing equally, also be provided with the hold- down screw 49,59 of fixing flexible connector 4 in the trailing wheel rotating shaft.
The steering control device of the second embodiment:
As shown in Figure 9, the steering control device of this utility model the second embodiment, its guide wheel and flexible connecting member arrange that all the steering control device with the first embodiment is identical.Different from the steering control device of the first embodiment is, flexible connecting member 4 is not directly to be set in the trailing wheel rotating shaft, but in the trailing wheel rotating shaft first sheathed guide wheel 40, through hole 50 shown on the guide wheel 40 is used for fixedly trailing wheel rotating shaft, flexible connecting member 4 is wrapped on the guide wheel 40, can make the drive of 4 pairs of trailing wheel rotating shafts of flexible connecting member more reliable, preferred, flexible connecting member 4 can twine a circle at guide wheel 40.
For preventing that flexible connecting member 4 from skidding with respect to guide wheel 40, guide wheel 43,53 front end are respectively arranged with the hold- down screw 49,59 of fixing flexible connector 4 to prevent flexible connecting member 4.
The steering control device of the 3rd embodiment:
As shown in figure 10, the steering control device of this utility model the 3rd embodiment, its guide wheel 40, guide wheel 42,52, guide wheel 43,53, guide wheel 44,54 and flexible connecting member 4 arrange that all the steering control device with the second embodiment is identical.Different from the steering control device of the second embodiment is, has omitted guide wheel 41,51, directly extends to guide wheel 42,52 from guide wheel 40 extended flexible connecting members 4, and present embodiment can make the structure of steering control device further simplify.
When in folding electric wheelchair driving process, needing to turn to, as turn left, then need pull back left operating grip 6, promote forward right operating grip 9, so that flexible connecting member 4 is along the moving clockwise of guide wheel 43, and move along the counter clockwise direction of guide wheel 53, thereby drive the trailing wheel rotating shaft with moving clockwise of overlooking, trailing wheel 3 front ends are rotated left to right rear end, thus realize the folding electric wheelchair turn left to.As turn right, then need promote forward left operating grip 6, pull back right operating grip 9, so that flexible connecting member 4 moves along the counter clockwise direction of guide wheel 43, and moving clockwise along guide wheel 53, thereby drive the counter clockwise direction motion of trailing wheel rotating shaft to overlook, make trailing wheel 3 front ends left the rear end to right rotation, thereby realize the folding electric wheelchair turn right to.The above-mentioned mode of operation when left/right rotation, consistent with people's operating habit, and simple to operate, can realize very flexibly turning to, can not produce incoherent sensation, improved ride quality.And, the steering control device of each embodiment of this utility model all have cost low, easily realize and maintain easy advantage.
Five, hooking device
In the present embodiment, hooking device is for when the folding electric wheelchair is in user mode, and cushion rack 11 is fixed in sturdy lower longeron 80, the unsettled phenomenon in order to avoid seat unit has been in operation.
Such as Fig. 4, Fig. 7 and shown in Figure 11, position in the rear end of cushion rack 11 central authorities, the top of jointed shaft 94 positions namely, welding is horizontally extending extension device backward, extension device can be comprised of a top board 82 and biside plate 83, side plate 83 ends of extension device are equipped with hook rotating shaft 90, pivotablely on the two axial ends of hook rotating shaft 90 are provided with a pair of roughly S-shaped Self-locking hanging hook 89, and a pair of Self-locking hanging hook 89 is fixed together by top board 87.Self-locking hanging hook 89 is to be locked in lower longeron 80 on the self-lock rod 77 and vertical pole between 72 the vertical pole when lock-out state.
In sum, folding electric wheelchair of the present invention, except above-mentioned bracket with foldable structure (comprising seat support), left and right sides operating grip 6,9 can be around guide wheel 43,99 rotations of 53 axle center, therefore also can fold, handrail 13 can be rotated around handrail rotating shaft 16, thereby also can fold.
The folding process of the folding electric wheelchair of this utility model embodiment is as follows:
Before folding, remove first the lock-out state of the Self-locking hanging hook 89 of hooking device.
Again left and right sides operating grip 6,9 is rotated backward around guide wheel 43,53 axle center 99, fold.Handrail 13, folds to backrest 12 direction rotations around handrail rotating shaft 16, back bracket 15 is rotated forward around jointed shaft 98 fold.
Then, main support is folded, in fact, main support is former and later two four-bar linkage structures, last quadric chain is formed by jointed shaft 94 and the self-lock rod 77 under jointed shaft 92, front support stand 34 and lug 34 formed pin joints, the cushion rack 11, upwards spur cushion rack 11, so that front support stand 34 and cushion rack 11 to the direction rotation that is parallel to fore-stock girder 7, form folded state as shown in figure 13.
A rear quadric chain is formed by through shaft 95, through shaft 96, through shaft 97 and self-lock rod 77, under the drive of the power that upwards spurs cushion rack 11, so that vertical pole to 73 and after-poppet also to the direction rotation that is parallel to fore-stock girder 7, trailing wheel 3 is recovered between the near front wheel 1 and the off-front wheel 2, forms folded state as shown in figure 11.
As from the foregoing, the folding electric wheelchair of this utility model embodiment has folding advantage, to save the land used of placing wheelchair.And, the folding electric wheelchair of this utility model embodiment, its folding operation is convenient, and the space that takies after folding obviously reduces.
The beneficial effects of the utility model are that compared with the prior art, steering control device of the present utility model and folding electric wheelchair of the present utility model have the following advantages:
1, cost is low, steering control device of the present utility model, and its steering adopts mechanical steering, combines by the simple mechanical organ such as guide wheel, flexible connecting member, has reduced the cost of steering control device.
2, turn to steadily, steering control device of the present utility model is pure frame for movement, also no longer includes incoherent sensation of electric steering system when therefore turning to, and has improved the stationarity that turns to.
3, motility and operation ease, when needs turn to, only need to be according to daily habits, the operating grip of the operation left and right sides can be realized turning to, and is convenient to the user operation.
The technical solution of the utility model is disclosed as above by preferred embodiment.Those skilled in the art should recognize change and the retouching of doing in the situation that does not break away from the scope and spirit of the present utility model that the appended claim of this utility model discloses, all belong within the protection domain of claim of the present utility model.
Claims (10)
1. folding electric wheelchair, it is characterized in that, described folding electric wheelchair comprises support, running gear, seat unit, hooking device and steering control device, described support comprises the main support that can fold of fore-stock, after-poppet, the described fore-stock of connection and described after-poppet and is used for supporting the seat support of described seat unit that described running gear comprises a pair of front-wheel that is arranged at described fore-stock and is arranged at the trailing wheel with electric driver of described after-poppet;
Described main support is divided into two groups, and one group is inboard lower longeron, another group be the outside by two vertical poles to the hinged vertical pole group that forms, the vertical pole in lower longeron and the vertical pole group is to passing through the hinged and top-bottom cross of a self-lock rod;
Described hooking device is fixedly connected on described seat support rear end, and the Self-locking hanging hook of described hooking device is locked on the described self-lock rod when described folding electric wheelchair is in user mode.
2. folding electric wheelchair as claimed in claim 1 is characterized in that, described steering control device comprises:
The closed flexible connecting member with some strength and be connected in a pair of first guide wheel of described support, a pair of the second guide wheel and a pair of the 3rd guide wheel;
Described flexible connecting member is supported and guiding by described a pair of the first guide wheel, described a pair of the second guide wheel and described a pair of the 3rd guide wheel, and described flexible connecting member also is wound in described trailing wheel rotating shaft to drive described rear-axle steering;
Described a pair of the first guide wheel extends out to forward described the first guide wheel from the extended described flexible connecting member of described trailing wheel rotating shaft, extends to described the second guide wheel before described the first guide wheel is backward;
Described a pair of the second guide wheel, extand rearward to described the 3rd guide wheel from the extended described flexible connecting member of described the second guide wheel, the operating grip that is connected with described the second guide wheel concentric, so that user rotates by described the second guide wheel of operating operation handle drives, be wound in described the second guide wheel to drive the direction that described flexible connecting member moves along described operating grip;
Described a pair of the 3rd guide wheel extends horizontally to described the 3rd guide wheel of offside from the extended described flexible connecting member of described the 3rd guide wheel.
3. folding electric wheelchair as claimed in claim 2 is characterized in that, described steering control device also comprises a pair of four guide idler, and described four guide idler is fixedly connected on described after-poppet top near the position of described trailing wheel rotating shaft; Extend described the first guide wheel from the extended described flexible connecting member of described trailing wheel rotating shaft through the backward forwards of described four guide idler;
Described the second guide wheel vertically arranges, described the first guide wheel and described four guide idler are horizontally disposed with, described the 3rd guide wheel is perpendicular to described the second guide wheel setting, and described the 3rd guide wheel is positioned at described the first guide wheel below, and described the first guide wheel and described the 3rd guide wheel are arranged on the same U-shaped frame.
4. folding electric wheelchair as claimed in claim 3, it is characterized in that, be provided with fixing first hold-down screw of described flexible connecting member to prevent that described flexible connecting member from skidding with respect to described trailing wheel rotating shaft in the described trailing wheel rotating shaft, be provided with fixing first hold-down screw of described flexible connecting member to prevent that described flexible connecting member from skidding with respect to described the second guide wheel on described the second guide wheel.
5. folding electric wheelchair as claimed in claim 4 is characterized in that, described trailing wheel is the trailing wheel that is provided with electric driver.
6. folding electric wheelchair as claimed in claim 3 is characterized in that, described flexible connecting member is the steel wire rope of 2-6mm.
7. folding electric wheelchair as claimed in claim 6 is characterized in that, described trailing wheel rotating shaft has the sweptback angle of inclination less than 30 degree.
8. folding electric wheelchair as claimed in claim 7 is characterized in that, described angle of inclination is 15 degree.
9. folding electric wheelchair as claimed in claim 2, it is characterized in that, the position of the rear end central authorities of described cushion rack, be welded with backward horizontally extending extension device, described extension device is comprised of a top board and biside plate, described side plate end is equipped with the hook rotating shaft, the pivotable described Self-locking hanging hook that a pair of S shape is set on the two axial ends of described hook rotating shaft, and described a pair of Self-locking hanging hook is fixed together by described top board.
10. folding electric wheelchair as claimed in claim 9 is characterized in that, described Self-locking hanging hook is to be locked between the right vertical pole of described lower longeron on the self-lock rod and described vertical pole when lock-out state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220217933 CN202682210U (en) | 2012-05-15 | 2012-05-15 | Electric folding wheelchair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220217933 CN202682210U (en) | 2012-05-15 | 2012-05-15 | Electric folding wheelchair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202682210U true CN202682210U (en) | 2013-01-23 |
Family
ID=47537895
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220217933 Expired - Fee Related CN202682210U (en) | 2012-05-15 | 2012-05-15 | Electric folding wheelchair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202682210U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108078697A (en) * | 2017-08-18 | 2018-05-29 | 康动健康管理（深圳）有限公司 | Folding and self-locking structure and folding and self-locking frame and fully collapsible invalid's chair and its method |
| CN109789047A (en) * | 2016-09-23 | 2019-05-21 | 奥托·博克移动解决方案有限公司 | For moving the chassis of ancillary equipment and electric wheelchair |
-
2012
- 2012-05-15 CN CN 201220217933 patent/CN202682210U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109789047A (en) * | 2016-09-23 | 2019-05-21 | 奥托·博克移动解决方案有限公司 | For moving the chassis of ancillary equipment and electric wheelchair |
| CN108078697A (en) * | 2017-08-18 | 2018-05-29 | 康动健康管理（深圳）有限公司 | Folding and self-locking structure and folding and self-locking frame and fully collapsible invalid's chair and its method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203996627U (en) | Light four-wheel storage battery car | |
| CN102697609B (en) | Electric wheelchair and steering control device thereof | |
| CN107280873A (en) | A kind of wheelchair electric power driving headstock device | |
| CN104173148B (en) | Wheelchair motorized motions head and its application method | |
| CN204452708U (en) | A kind of foot control recreation and body-building battery-driven car | |
| CN202682210U (en) | Electric folding wheelchair | |
| CN2900317Y (en) | Steering wheel type back wheel turning tricycle bicycle | |
| CN201295333Y (en) | Electric and manual four-wheeler special for the disabled | |
| CN202386872U (en) | Electrically-propelled wheelchair driving device and double-handle electrically-propelled wheelchair | |
| CN202682211U (en) | Electric wheelchair and steering control device thereof | |
| CN209172728U (en) | An a kind of key folding power-driven wheelchair | |
| CN202020607U (en) | Portable foldable electrombile for old people | |
| CN201356725Y (en) | Wheelchair with rehabilitation function | |
| CN203391929U (en) | Retractable electric vehicle | |
| CN205737940U (en) | A kind of old people's tricycle | |
| CN213130368U (en) | Wheelchair with shock attenuation | |
| CN106821625A (en) | Electric folding wheel chair | |
| CN209037738U (en) | A kind of rehabilitation trip device | |
| CN106965888B (en) | Motor vehicle special for disabled people | |
| CN102824251A (en) | Electric wheel chair | |
| CN104873343A (en) | Hand cranking wheel chair operated and controlled from front | |
| CN2803328Y (en) | Electric wheel-chair | |
| CN202761563U (en) | Electric wheelchair | |
| CN209096882U (en) | A kind of electric vehicle and spare seat | |
| JP2006062526A (en) | Recumbent type bicycle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130123 Termination date: 20160515 |