CN208741329U - A kind of electric wheelchair - Google Patents
A kind of electric wheelchair Download PDFInfo
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- CN208741329U CN208741329U CN201820601251.9U CN201820601251U CN208741329U CN 208741329 U CN208741329 U CN 208741329U CN 201820601251 U CN201820601251 U CN 201820601251U CN 208741329 U CN208741329 U CN 208741329U
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- frame
- support frame
- electric wheelchair
- support
- electrical retractor
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Abstract
The utility model provides a kind of electric wheelchair, including back rest, seat frame, pedal, wherein, it further include the front wheel supporting frame with the rotation connection of seat frame front end, the rear support frame being connect with seat frame rear end thereof, with the rear rotating support of rear support frame lower end rotation connection, bearing diagonal beam, backrest driving mechanism and leg driving mechanism, it is connected between the two sides quarter butt of rotating support and the bar supported on both sides of the front wheel supporting frame by a connecting rod after described, the quarter butt lower end of rotating support is connect with the middle rear end thereof of bearing diagonal beam after described, the upper end two sides of the bearing diagonal beam are extended with interconnecting piece, the interconnecting piece is rotatablely connected with the upper end of the side frame of seat frame and the support rod respectively；The back rest lower end and the front support rod upper end of rear support frame are hinged, and front wheel supporting frame front end is hinged with thigh support frame；The electric wheelchair use state is adjustable, whole foldable and structure is simple, light, improves the portability and comfort of electric wheelchair.
Description
Technical field
The utility model relates to wheelchair field, in particular to a kind of electric wheelchair.
Background technique
Common electric wheelchair, user only need to manipulate control stick can be realized as the advance of wheelchair, retrogressing, turning and
Stop function, great help is capable of providing to individuals with disabilities and handicapped personage.But existing electric wheelchair in the market compared with
It is few to provide to lie low wheelchair common configuration complexity, the heaviness, inconvenient for operation, valence for coexisting with folder function, and having such function
Lattice are expensive；Furthermore leg angle regulating function is single, reduces experience sense.Now and following domestic client terminal is with light
Just, portable, functional is dominant direction, and existing electric wheelchair has been unable to meet demand in this respect.
Utility model content
The technical problem to be solved by the present invention is to overcome drawbacks described above existing for well-known technique, and provide a kind of electricity
Wheelchair realizes that adjustable, the whole folding while structure of use state is simple, light, substantially increases electric wheelchair
Portability and comfort.
The utility model is achieved through the following technical solutions, according to a kind of electric wheelchair provided by the utility model,
Including back rest, seat frame, pedal, wherein further include with the front wheel supporting frame of seat frame front end rotation connection, with seat frame after
Rear support frame, rear rotating support, the bearing diagonal beam, backrest driving machine with the rotation connection of rear support frame lower end for holding rotation connection
Structure and leg driving mechanism are led between the two sides quarter butt of rotating support and the bar supported on both sides of the front wheel supporting frame after described
Connecting rod connection is crossed, the rear quarter butt lower end of rotating support is connect with the middle rear end thereof of bearing diagonal beam, the bearing diagonal
The upper end two sides of beam are extended with interconnecting piece, and the interconnecting piece is rotated with the upper end of the side frame of seat frame and the support rod respectively
Connection；The back rest lower end and the front support rod upper end of rear support frame are hinged, and front wheel supporting frame front end is hinged with leg
Support frame；The backrest driving mechanism for drive back rest can back rotation to horizontal position；The leg driving mechanism is used
Horizontal position can be rotated upwardly in driving leg support frame.
Using the above structure, user can freely adjust the angle of backrest, leg, and be able to achieve lie function；Pass through
Foldable link mechanism is constituted between back rest, seat frame, front wheel supporting frame, rear support frame, rear rotating support, bearing diagonal beam,
In the deployed state, six bar mechanism is driven by rotating inward front wheel supporting frame, to realize folder function.
The utility model can also take following technical scheme to further realize:
Electric wheelchair above-mentioned, wherein the backrest driving mechanism is the first electrical retractor, and described first electronic stretches
One end of compression apparatus is hingedly fixed with back rest upper end, after the other end and rear support frame of first electrical retractor
Cross bar is hingedly fixed, when the first electrical retractor stroke reduces, back rest with respect to seat frame back rotation to lying status,
When the first electrical retractor stroke increases, back rest is rotated upwardly to sitting posture state with respect to seat frame.
Electric wheelchair above-mentioned, wherein the thigh support frame is connected with foot-operated mounting rack by slideway, and the leg is driven
Motivation structure is the second electrical retractor, and one end of second electrical retractor is connect with the upper end of front wheel supporting frame, institute
The other end for stating the second electrical retractor is connect with the lower end of the thigh support frame, when the second electrical retractor stroke increases
When big, thigh support frame is driven to rotate upwards around front wheel supporting frame, to realize leg lifting function；When the second electric expansion
When device stroke reduces, thigh support frame is driven to be rotated down around front wheel supporting frame, to realize drop under leg.
Preferably, electric wheelchair above-mentioned, wherein it further include third electrical retractor, the third electric expansion dress
The one end set and the upper end of thigh support frame are hingedly fixed, under the other end and foot-operated mounting rack of the third electrical retractor
End connection, when third electrical retractor stroke increases and reduces, drive the foot-operated mounting rack along slideway downwardly and upwardly
It is mobile.
Electric wheelchair above-mentioned, wherein the cross of the front rail front end face of the rear support frame and the rear rotating support
Bar front end face is equipped with two pairs of the first elongator, second elongators for rotation connection；The front rail of the rear support frame and institute
It states and is provided with a pair of of elastic shock-absorbing device between the cross bar of rear rotating support.
Preferably, electric wheelchair above-mentioned, wherein the elastic shock-absorbing device includes decoupling rod and spring, the bullet
Spring is sleeved on decoupling rod, and the front rail rear end face of the rear support frame is set there are two the first fixed block, and the rear rotation supports
The cross bar rear end face of frame is set there are two the second fixed block, and the lower end of the decoupling rod and the upper surface of second fixed block are solid
It connects, the upper end of the decoupling rod passes through the through-hole of first fixed block and fixed by nut.
Electric wheelchair above-mentioned, wherein be equipped among the front rail of the rear support frame for rotating support after being connected to
Buckle on the cross bar of frame.
Electric wheelchair above-mentioned, wherein the front support rod upper end of the rear support frame is hinged with handrail, sets on the handrail
It is equipped with operating unit.
Electric wheelchair above-mentioned, wherein be equipped with battery compartment in the bearing diagonal beam, be used for placing battery.
Electric wheelchair above-mentioned, wherein the lower end of the front wheel supporting frame connects front-wheel, and the end of the bearing diagonal beam connects
Driving rear-wheel is connect, the preceding wheel diameter is less than the diameter of the driving rear-wheel.
In conclusion the electric wheelchair of the utility model efficiently solves the portability of electric wheelchair and asking for comfort
Topic, facilitates that the elderly and lower limb disability personage's is outgoing, and vehicle can be put into automobile trunk after folding, and can be vertical after folding
It stands and places, put and be not take up excessive usable floor area at home；The independent angle regulating function in leg and back can basis
User's needs to form many attitude, and leg has rotation and flexible comprehensive function, and user will not be allowed to lie low
Occurs the extruding sense of leg in journey.It can be widely applied to residential care, aspect of helping the disabled of supporting parents, facilitate the elderly or leg inconvenient
Disabled person's daily routines and body rehabilitation.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model electric wheelchair；
Fig. 2 is the side view of Fig. 1；
Fig. 3 is the structural schematic diagram of the leg driving mechanism of the utility model；
Rear support frame and rear rotating support connection schematic diagram of the Fig. 4 for the utility model；
Fig. 5 is the scheme of installation of the damping device of the utility model.
Specific embodiment
The structure, feature and its effect of the utility model are described in detail such as below in conjunction with attached drawing and preferred embodiment
Under:
As shown in Figures 1 to 5, a kind of electric wheelchair provided by the utility model, including back rest 1, seat frame 2, pedal
3, wherein, further include and the front wheel supporting frame 4 of 2 front end of seat frame rotation connection, the rear support being connect with 2 rear end thereof of seat frame
Frame 5, rear rotating support 6, bearing diagonal beam 7, backrest driving mechanism and the leg driving machine being rotatablely connected with 5 ends under rear support frame
Structure passes through a connecting rod after described between the two sides quarter butt 61 of rotating support 6 and the bar supported on both sides 41 of the front wheel supporting frame 4
61 lower end of quarter butt of 8 connections, the rear rotating support 6 is connect with the middle rear end thereof of bearing diagonal beam 7, the bearing diagonal beam 7
Upper end two sides be extended with interconnecting piece 71, the interconnecting piece 71 is upper with the side frame of seat frame 2 and the support rod 41 respectively
End rotation connection；1 lower end of back rest and 51 upper end of front support rod of rear support frame 5 are hinged, 4 front end of front wheel supporting frame
It is hinged with thigh support frame 9；The backrest driving mechanism for drive back rest 1 can back rotation to horizontal position；The leg
Portion's driving mechanism is for driving leg support frame 9 that can be rotated upwardly to horizontal position.
Using the above structure, user can freely adjust the angle of backrest, leg, and be able to achieve lie function；Pass through
Foldable link mechanism is constituted between back rest, seat frame, front wheel supporting frame, rear support frame, rear rotating support, bearing diagonal beam,
In the deployed state, six bar mechanism is driven by rotating inward front wheel supporting frame, thus folder function needed for realizing.
Present embodiment can be realized further by following structure:
Electric wheelchair above-mentioned, wherein the backrest driving mechanism is the first electrical retractor 10, and described first is electronic
One end of telescopic device is hingedly fixed with 1 upper end of back rest, the other end and rear support of first electrical retractor 10
The rear transverse rod 52 of frame 5 is hingedly fixed, and when the first electrical retractor stroke reduces, back rest is extremely with respect to seat frame back rotation
Lying status, when the first electrical retractor stroke increases, back rest is rotated upwardly to sitting posture state with respect to seat frame.
As shown in figure 3, electric wheelchair above-mentioned, wherein the thigh support frame 9 is connected with foot-operated mounting rack by slideway
11, the leg driving mechanism is the second electrical retractor 13, one end of second electrical retractor 13 and front-wheel branch
The upper end of support 4 connects, and the other end of second electrical retractor 13 is connect with the lower end of the thigh support frame 9, when
When second electrical retractor stroke increases, thigh support frame is driven to rotate upwards around front wheel supporting frame, to realize leg
Lifting function；When the second electrical retractor stroke reduces, thigh support frame is driven to be rotated down around front wheel supporting frame, from
And realize drop under leg.Preferably, the two sides of the foot-operated mounting rack 11 are equipped with leg support 111, fix for leg；Institute
State the hinged pedal 3 in lower end of foot-operated mounting rack 11.
Preferably, electric wheelchair above-mentioned, wherein it further include third electrical retractor 14, the third electric expansion
One end of device and the upper end of thigh support frame 9 are hingedly fixed, the other end of the third electrical retractor 14 and foot-operated peace
Shelve the connection of 11 lower ends, when third electrical retractor stroke increases and reduces, drive the foot-operated mounting rack along slideway to
Down and move up.Using this structure, thigh support frame in rotary course, foot-operated mounting rack can realize simultaneously it is flexible, will not
User is allowed to occur the extruding sense of leg during lying low.
Such as Fig. 4, shown in Fig. 5, electric wheelchair above-mentioned, wherein 53 front end face of front rail of the rear support frame 5 and described
62 front end face of cross bar of rotating support 6 is equipped with two pairs of the first elongator 531, second elongators 621 for rotation connection afterwards；
A pair of of elastic shock-absorbing device is provided between the front rail 53 of the rear support frame 5 and the cross bar 62 of the rear rotating support 6.
Using the above structure, the position-limiting action to relative position between rear support frame and rotating support, while damping device energy can be played
Sense of jolting caused by Uneven road is enough effectively reduced, keeps occupant more comfortable.
Preferably, electric wheelchair above-mentioned, wherein the elastic shock-absorbing device includes decoupling rod 15 and spring 16, institute
Spring 16 to be stated to be sleeved on decoupling rod 15,53 rear end face of front rail of the rear support frame 5 is set there are two the first fixed block 532,
62 rear end face of cross bar of rotating support 6 is set there are two the second fixed block 622 after described, the lower end of the decoupling rod 15 with it is described
The upper surface of second fixed block 622 is affixed, and the through-hole that the upper end of the decoupling rod 15 passes through first fixed block 532 (does not show
It fixes out) and by nut.
Electric wheelchair above-mentioned, wherein be equipped among the front rail 53 of the rear support frame 5 for rotating branch after being connected to
Buckle 533(on the cross bar 62 of support 6 is as shown in Figure 5).It is buckled under wheel-chair unfolded state, is pressed to car body direction, with
Rotating support cross bar closely engages afterwards, to play the work of limiting locking rear support frame and rear rotating support relative position
With；When being folded to wheel-chair, buckle only need to be lifted, the cross bar of rear rotating support is disengaged it from, to release limit.
Electric wheelchair above-mentioned, wherein 51 upper end of front support rod of the rear support frame 5 is hinged with handrail 17, described to help
It is provided with operating unit 18 on hand.Backrest driving mechanism and the work of leg driving mechanism are controlled by the operating unit.
Electric wheelchair above-mentioned, wherein be equipped with battery compartment (not shown) in the bearing diagonal beam 7, be used for placing battery.It rises
It is compact-sized while to battery waterproof, it is conveniently replaceable.
Electric wheelchair above-mentioned, wherein the lower end of the front wheel supporting frame 4 connects front-wheel 19, the end of the bearing diagonal beam
End connection driving rear-wheel 20, the preceding wheel diameter are less than the diameter of the driving rear-wheel.So that electric wheelchair is during the motion
It is more flexible.
Preferably, electric wheelchair above-mentioned, wherein further include a headrest 21, the headrest highly may be used by connector 22
What is adjusted is connected at the top of the back rest.So as to which according to occupant's height and comfort for sitting posture angle, corresponding adjustment headrest is high
Degree.
In conclusion the electric wheelchair of the utility model efficiently solves the portability of electric wheelchair and asking for comfort
Topic, facilitates that the elderly and lower limb disability personage's is outgoing, and vehicle can be put into automobile trunk after folding, and can be vertical after folding
It stands and places, put and be not take up excessive usable floor area at home；The independent angle regulating function in leg and back can basis
User's needs to form many attitude, and leg has rotation and flexible comprehensive function, and user will not be allowed to lie low
Occurs the extruding sense of leg in journey.It can be widely applied to residential care, aspect of helping the disabled of supporting parents, facilitate the elderly or leg inconvenient
Disabled person's daily routines and body rehabilitation.
The above is only the preferred embodiment of the utility model, and all foundation the technical solution of the utility model are to above
Any simple modification and equivalents that embodiment carries out belong to the range of the utility model protection.
Claims (10)
1. a kind of electric wheelchair, including back rest, seat frame, pedal, which is characterized in that further include rotating to connect with seat frame front end
The rear rotation of the front wheel supporting frame, the rear support frame being connect with seat frame rear end thereof and the rotation connection of rear support frame lower end that connect
Support frame, bearing diagonal beam, backrest driving mechanism and leg driving mechanism, it is described after rotating support two sides quarter butt and it is described before
It is connected between the bar supported on both sides of wheeling supporting frame by a connecting rod, the quarter butt lower end of the rear rotating support and bearing diagonal beam
The connection of middle rear end thereof, the upper end two sides of the bearing diagonal beam are extended with interconnecting piece, the interconnecting piece respectively with the side of seat frame
The rotation connection of the upper end of frame and the support rod；The back rest lower end and the front support rod upper end of rear support frame are hinged, institute
It states front wheel supporting frame front end and is hinged with thigh support frame；The backrest driving mechanism for drive back rest can back rotation to water
Prosposition is set；The leg driving mechanism is for driving leg support frame that can be rotated upwardly to horizontal position.
2. electric wheelchair according to claim 1, which is characterized in that the backrest driving mechanism is the first electric expansion dress
Set, one end and the back rest upper end of first electrical retractor are hingedly fixed, first electrical retractor it is another
The rear transverse rod of one end and rear support frame is hingedly fixed, and when the first electrical retractor stroke reduces, back rest is with respect to seat frame
Back rotation is to lying status, and when the first electrical retractor stroke increases, back rest is rotated upwardly to seat with respect to seat frame
Appearance state.
3. electric wheelchair according to claim 1, which is characterized in that the thigh support frame is connected with foot-operated by slideway
Mounting rack, the leg driving mechanism are the second electrical retractor, one end of second electrical retractor and front-wheel branch
The upper end of support connects, and the other end of second electrical retractor is connect with the lower end of the thigh support frame, when second
When electrical retractor stroke increases, thigh support frame is driven to rotate upwards around front wheel supporting frame, to realize that leg is lifted
Function；When the second electrical retractor stroke reduces, thigh support frame is driven to be rotated down around front wheel supporting frame, thus real
Drop under existing leg.
4. electric wheelchair according to claim 3, which is characterized in that further include third electrical retractor, the third
One end of electrical retractor and the upper end of thigh support frame are hingedly fixed, the other end and foot of the third electrical retractor
The connection of mounting rack lower end is stepped on, when third electrical retractor stroke increases and reduces, drives the foot-operated mounting rack along slideway
Downwardly and upwardly move.
5. electric wheelchair according to claim 1, which is characterized in that the front rail front end face of the rear support frame and described
The cross bar front end face of rotating support is equipped with two pairs of the first elongator, second elongators for rotation connection afterwards；Branch after described
A pair of of elastic shock-absorbing device is provided between the front rail of support and the cross bar of the rear rotating support.
6. electric wheelchair according to claim 5, which is characterized in that the elastic shock-absorbing device includes decoupling rod and bullet
Spring, the spring pocket is on the decoupling rod, and the front rail rear end face of the rear support frame sets that there are two the first fixed blocks, after described
The cross bar rear end face of rotating support is set there are two the second fixed block, and the lower end of the decoupling rod is upper with second fixed block
End face is affixed, and the upper end of the decoupling rod passes through the through-hole of first fixed block and fixed by nut.
7. electric wheelchair according to claim 1, which is characterized in that be equipped with and be used among the front rail of the rear support frame
The buckle being connected on the cross bar of rear rotating support.
8. electric wheelchair according to claim 1, which is characterized in that the front support rod upper end of the rear support frame is hinged with
Handrail is provided with operating unit on the handrail.
9. electric wheelchair according to claim 1, which is characterized in that battery compartment is equipped in the bearing diagonal beam, for putting
Set battery.
10. electric wheelchair according to claim 1, which is characterized in that the lower end of the front wheel supporting frame connects front-wheel, institute
The end connection driving rear-wheel of bearing diagonal beam is stated, the preceding wheel diameter is less than the diameter of the driving rear-wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820601251.9U CN208741329U (en) | 2018-04-25 | 2018-04-25 | A kind of electric wheelchair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820601251.9U CN208741329U (en) | 2018-04-25 | 2018-04-25 | A kind of electric wheelchair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208741329U true CN208741329U (en) | 2019-04-16 |
Family
ID=66052261
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820601251.9U Active CN208741329U (en) | 2018-04-25 | 2018-04-25 | A kind of electric wheelchair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208741329U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113797030A (en) * | 2021-09-09 | 2021-12-17 | 安徽金百合医疗器械有限公司 | Novel electric wheelchair |
-
2018
- 2018-04-25 CN CN201820601251.9U patent/CN208741329U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113797030A (en) * | 2021-09-09 | 2021-12-17 | 安徽金百合医疗器械有限公司 | Novel electric wheelchair |
| CN113797030B (en) * | 2021-09-09 | 2023-05-26 | 安徽金百合医疗器械有限公司 | Novel electric wheelchair |
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