CN112674955B - Foldable electric wheelchair - Google Patents
Foldable electric wheelchair Download PDFInfo
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- CN112674955B CN112674955B CN202110093490.4A CN202110093490A CN112674955B CN 112674955 B CN112674955 B CN 112674955B CN 202110093490 A CN202110093490 A CN 202110093490A CN 112674955 B CN112674955 B CN 112674955B
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Abstract
The invention provides a foldable electric wheelchair, which comprises a rear wheel bracket, a front wheel bracket, a support rod, a connecting rod, a backrest bracket and an armrest bracket, wherein the front part of the rear wheel bracket extends along the horizontal direction, the rear part of the rear wheel bracket extends downwards and backwards in an inclined manner, the upper end part of the front wheel bracket is rotationally connected with the front end part of the rear wheel bracket, the lower end part of the front wheel bracket is rotationally connected with the rear end part of the rear wheel bracket, the support rod is rotationally connected with the upper end part of the support rod, the front end part of the connecting rod is rotationally connected with the front wheel bracket and the rear wheel bracket, the two end parts of the armrest bracket are respectively rotationally connected with the rear wheel bracket, the front wheel bracket, the support rod and the rear wheel bracket form a first four-bar mechanism, the rear wheel bracket, the support rod, the backrest bracket and the armrest bracket form a second four-bar mechanism, and the two four-bar mechanisms share the rear wheel bracket and the support rod, and only one of the two four-bar mechanisms are controlled to realize locking and unlocking of the wheelchair, and the conception, the structure is simple and the operation is convenient; adopts electric drive, and is convenient to use.
Description
Technical Field
The invention belongs to the field of medical appliances, and particularly relates to a foldable electric wheelchair.
Background
In the treatment and rehabilitation process of patients, particularly for patients incapable of independently walking, a wheelchair-sitting mode is generally adopted to replace walking, so that the patients can be better treated and rehabilitated, and the daily life of the patients is facilitated.
Most of the existing wheelchairs are not foldable and inconvenient to store, and although some wheelchairs are foldable, most of the wheelchairs are complex in structure, so that the control mode of the locking mechanism is complex, the existing wheelchairs are inconvenient to fold and unfold, and most of the existing wheelchairs are inconvenient to use in a manual driving mode.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a foldable electric wheelchair which is ingenious in conception, simple in structure, convenient to operate and convenient to use, and is driven by electric power.
In order to achieve the above object, the present invention adopts a technical scheme that a foldable electric wheelchair includes a wheelchair frame having an unfolded state and a folded state, a wheel assembly located at the bottom of the wheelchair frame, an electric driving assembly for driving the wheel assembly to rotate, and a wheelchair frame locking mechanism for locking the wheelchair frame in the unfolded state, the wheelchair frame includes:
a rear wheel bracket, the front portion of which extends in a horizontal direction for supporting a seat, and the rear portion of which extends obliquely downward and rearward;
the front wheel bracket is positioned at the front lower part of the seat, and the upper end part of the front wheel bracket is rotationally connected with the front end part of the rear wheel bracket;
the support rod is positioned at the rear lower part of the seat, and the lower end part of the support rod is rotationally connected with the rear part of the rear wheel bracket;
The connecting rod extends obliquely upwards and backwards along the front lower direction, the front end part of the connecting rod is rotationally connected with the lower end part of the front wheel bracket, and the rear end part of the connecting rod is rotationally connected with the upper end part of the supporting rod, so that the front wheel bracket, the connecting rod, the supporting rod and the rear wheel bracket form a first four-bar mechanism;
The lower end part of the backrest bracket is rotationally connected with the upper end part of the supporting rod;
The handrail support, the handrail support is located the both sides of seat, the forward downward slope of handrail support extends, the rear portion of handrail support extends along the horizontal direction, the front end of handrail support with the front end of rear wheel support rotates to be connected, the rear end of handrail support with the middle part of back support rotates to be connected, makes rear wheel support the bracing piece, back support with the handrail support constitutes second four bar linkage.
Preferably, the front end part of the armrest support, the upper end part of the front wheel support and the front end part of the rear wheel support share a first rotation shaft, the lower end part of the backrest support, the upper end part of the support rod and the rear end part of the connecting rod share a second rotation shaft, so that the wheelchair frame has a more compact structure and a stronger high-grade feeling.
Further preferably, the wheelchair frame locking mechanism locks the wheelchair frame in an unfolding state by locking the relative positions of the connecting rod and the supporting rod, the wheelchair frame locking mechanism comprises an unlocking handle, the unlocking handle is rotatably connected to the upper end part of the supporting rod through the second rotating shaft, the unlocking handle of the wheelchair frame locking mechanism is located in the middle position of the rear part of the foldable electric wheelchair, and the unlocking handle adopts a rotary unlocking mode, so that false triggering is not easy, and the safety is better.
Preferably, the armrest support is provided with a height-adjustable armrest, the armrest comprises an armrest plate and a support plate, the armrest plate is parallel to the rear part of the armrest support, the upper end part of the support plate is connected to the bottom of the armrest plate, the support plate can be slidably arranged in a mounting hole in the front part of the armrest support along the extending direction of the support plate, and the extending direction of the support plate coincides with the extending direction of the front part of the armrest support, so that the armrest support can better support the elbow part of a user and adapt to users with different heights, thereby improving the universality and riding comfort of the foldable electric wheelchair.
Still preferably, the handrail support is further provided with a handrail locking mechanism for locking the relative position of the support plate and the handrail support, the handrail locking mechanism comprises a locking hole, a locking block, a handle and a spring, the locking hole is formed in the inner wall of the mounting hole and extends along the radial direction of the mounting hole, at least two locking holes are formed in the radial direction of the mounting hole at intervals, the locking block is rotatably arranged on the support plate through a third rotating shaft, the locking block is provided with a first working position and a second working position, when the locking block is in the first working position, the locking block is inserted into the locking hole to enable the handrail locking mechanism to be locked, when the locking block is in the second working position, the locking block is separated from the locking hole to enable the handrail locking mechanism to be unlocked, when the handle slides relative to the support plate, the handle can drive the locking block to be driven to be in the first working position and the second working position, the spring can be conveniently and flexibly arranged in the mounting hole, and the handrail locking mechanism can be conveniently changed to the first working position.
Still preferably, the support plate is provided with a sliding groove, the bottom of the support plate is connected with a hollow connecting block, the handle comprises a handle body, a connecting rod and a sliding block which are sequentially connected from top to bottom, the handle body is slidably arranged on the support plate, the connecting rod is slidably arranged in the sliding groove, the sliding block is slidably arranged in the connecting block, so that the action parts of the handrail locking mechanism are mostly hidden in the mounting hole, the handrail locking mechanism is not exposed, the handrail locking mechanism is high in stability, long in service life and good in safety.
Still preferably, the sliding block is provided with a limiting groove, the extending direction of the limiting groove is parallel to the sliding direction of the handle, the third rotating shaft is slidably arranged in the limiting groove in a penetrating manner, the sliding block is provided with a guiding groove, an included angle between the extending direction of the guiding groove and the sliding direction of the handle is an acute angle, the locking block is provided with a guiding shaft, the guiding shaft is parallel to the third rotating shaft, the end part of the guiding shaft is slidably arranged in the guiding groove, and when the handle slides on the supporting plate, the locking block is driven to rotate by the cooperation of the guiding shaft and the guiding groove, so that the sliding of the handle is skillfully converted into the rotation of the locking block, and the rotation angle of the locking block can be indirectly limited.
Further preferably, the two ends of the connecting rod are respectively connected to the handle body and the sliding block in a rotating manner, which has the advantage that the connecting rod can be prevented from being blocked by the groove wall of the chute when the handle slides, and the sliding block can be prevented from being blocked by the inner wall of the connecting block.
Still preferably, the electric driving assembly comprises a motor, a battery and a controller, the motor is arranged at the lower end part of the rear wheel bracket and is used for driving the wheel assembly to rotate, the battery is arranged under the seat plate and is used for providing power for the motor, the controller is arranged at the front end part of the armrest plate, electrodes are arranged on the outer wall of the locking block and the inner wall of the locking hole and are connected in series on a control circuit of the controller, when the armrest locking mechanism is in a locking state, the electrodes are connected with the control circuit, and the controller can control the motor to rotate.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:
The invention provides a foldable electric wheelchair, comprising: a wheelchair frame having an extended and collapsed position, a wheel assembly located at a bottom of the wheelchair frame, an electric drive assembly for driving rotation of the wheel assembly, a wheelchair frame locking mechanism for locking the wheelchair frame in the extended position, the wheelchair frame comprising: the front part extends along the horizontal direction, the rear part extends downwards and obliquely backwards, the front wheel support is rotationally connected with the front end part of the rear wheel support, the lower end part is rotationally connected with the rear part of the rear wheel support, the support rod, the connecting rod, the backrest support and the armrest support are rotationally connected with the upper end part of the support rod, the front end part and the rear end part of the connecting rod are respectively rotationally connected with the front wheel support and the rear wheel support, the two end parts of the armrest support are respectively rotationally connected with the rear wheel support and the backrest support, the front wheel support, the connecting rod, the support rod and the rear wheel support form a first four-bar mechanism, the rear wheel support, the support rod, the backrest support and the armrest support form a second four-bar mechanism, and the two four-bar mechanisms share the rear wheel support and the support rod, so that the locking and unlocking of the wheelchair frame can be realized only by controlling one four-bar mechanism, and the conception and the structure are ingenious and the operation is simple; adopts electric drive, and is convenient to use.
Drawings
Fig. 1 is a schematic perspective view of a preferred embodiment of the present invention.
Fig. 2 is a side view of the wheelchair of fig. 1 in an expanded state.
Fig. 3 is a side view of the wheelchair of fig. 1, in which the wheelchair frame is in the process of being transformed from an extended state to a collapsed state.
Fig. 4 is a side view of the wheelchair of fig. 1 in a collapsed condition.
Fig. 5 is an enlarged schematic view, partially in section, of the armrest assembly of fig. 2.
Fig. 6 is a schematic cross-sectional view in the direction A-A of fig. 5.
Fig. 7 is an exploded perspective view of fig. 5.
Wherein: 10. a wheelchair frame; 11. a rear wheel bracket; 12. a front wheel bracket; 13. a support rod; 14. a connecting rod; 15. a backrest bracket; 16. a handrail support; 161. a handrail plate; 162. a support plate; 1621. a connecting block; 1622. a chute; 163. a mounting hole; 164. a handrail locking assembly; 1641. a locking hole; 1642. a locking block; 1643. a third rotation shaft; 165. a handle; 1651. a guide groove; 1652. a guide shaft; 1653. a limit groove; 1654. a handle body; 1655. a connecting rod; 1656. a slide block; 1657. a spring; 17. a first rotation shaft; 18. a second rotation shaft; 19. a seat; 20. a foot pedal; 21. a front wheel assembly; 22. a rear wheel assembly; 31. a motor; 32. a battery; 33. a controller; 40. a wheelchair frame locking mechanism; 41. the handle is unlocked.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the attached drawings so that the advantages and features of the present invention will be more readily understood by those skilled in the art, thereby making clear and defining the scope of the present invention.
The front-rear direction, the left-right direction and the up-down direction described in the present invention are based on the front-rear direction, the left-right direction and the up-down direction observed by an occupant when riding the foldable electric wheelchair provided in the present invention, specifically, the up-down direction described in the present invention means the up-down direction in fig. 2, the front-rear direction described in the present invention means the left-right direction in fig. 2, and the left-right direction described in the present invention means the inside-outside direction in fig. 2.
The invention will be further described with reference to examples of embodiments shown in the drawings.
As shown in fig. 1 to 4, the foldable electric wheelchair provided by the present invention includes a wheelchair frame 10 having an unfolded and folded state, a wheel assembly located at the bottom of the wheelchair frame 10, an electric drive assembly for driving the wheel assembly to rotate, and a wheelchair frame locking mechanism 40 for locking the wheelchair frame 10 in the unfolded state, the wheelchair frame 10 including: the rear wheel support 11, the front wheel support 12, the support rod 13, the connecting rod 14, the backrest support 15, the armrest support 16 and the foot pedal 20, wherein the front part of the rear wheel support 11 extends along the horizontal direction and is used for supporting the seat 19, and the rear part of the rear wheel support 11 extends obliquely downwards and backwards; the front wheel bracket 12 is positioned at the front lower part of the seat 19, and the upper end part of the front wheel bracket 12 is rotatably connected with the front end part of the rear wheel bracket 11; the support rod 13 is positioned at the rear lower part of the seat 19, and the lower end part of the support rod 13 is rotationally connected with the middle position of the rear part of the rear wheel bracket 11; the connecting rod 14 extends obliquely upwards and backwards along the front lower direction, the front end part of the connecting rod 14 is rotationally connected with the lower end part of the front wheel bracket 12, the rear end part of the connecting rod 14 is rotationally connected with the upper end part of the supporting rod 13, and the front wheel bracket 12, the connecting rod 14, the supporting rod 13 and the rear wheel bracket 11 form a first four-bar mechanism; the lower end part of the backrest bracket 15 is rotationally connected with the upper end part of the supporting rod 13; the armrest support 16 is located on two sides of the seat 19, the front part of the armrest support 16 extends obliquely downwards forwards, the rear part of the armrest support 16 extends horizontally, the front end part of the armrest support 16 is rotationally connected with the front end part of the rear wheel support 11, the rear end part of the armrest support 16 is rotationally connected with the middle part of the backrest support 15, the rear wheel support 11, the support rod 13, the backrest support 15 and the armrest support 16 form a second four-bar mechanism, the two four-bar mechanisms share the rear wheel support 11 and the support rod 13, and the locking and unlocking of the wheelchair frame 10 can be realized only by controlling one four-bar mechanism, so that the wheelchair frame has ingenious conception, simple structure and convenient operation.
The wheel assembly includes a front wheel assembly 21 at the bottom of the front wheel bracket 12 and a rear wheel assembly 22 at the bottom of the rear wheel bracket 11.
The front end of the armrest support 16, the upper end of the front wheel support 12 and the front end of the rear wheel support 11 share the first rotation shaft 17, the lower end of the backrest support 15, the upper end of the support rod 13 and the rear end of the connecting rod 14 share the second rotation shaft 18, and this arrangement makes the wheelchair frame 10 more compact and has a stronger sense of high-grade.
The wheelchair frame locking mechanism 40 locks the wheelchair frame 10 in an unfolding state by locking the relative positions of the connecting rod 14 and the supporting rod 13, the wheelchair frame locking mechanism 40 comprises an unlocking handle 41, the unlocking handle 41 is rotatably connected to the upper end part of the supporting rod 13 through the second rotating shaft 18, the unlocking handle 41 of the wheelchair frame locking mechanism 40 is arranged at the middle position of the rear part of the foldable electric wheelchair, and the unlocking handle 41 adopts a rotary unlocking mode, so that false triggering is not easy, and the safety is better.
As shown in fig. 1 and 5 to 7, the armrest support 16 is provided with an armrest with an adjustable height, the armrest comprises an armrest plate 161 and a support plate 162, the armrest plate 161 is parallel to the rear part of the armrest support 16, the upper end part of the support plate 162 is connected to the bottom of the armrest plate 161, the lower end part of the support plate 162 is slidably inserted into a mounting hole 163 positioned at the front part of the armrest support 16, and the extending direction of the support plate 162 coincides with the extending direction of the front part of the armrest support 16, so that the armrest support can support the elbows of users and adapt to users with different heights, thereby improving the universality and riding comfort of the foldable electric wheelchair.
The armrest support 16 is further provided with an armrest locking mechanism 164 for locking the relative positions of the support plate 162 and the armrest support 16, the armrest locking mechanism 164 comprises a locking hole 1641, a locking block 1642, a handle 165 and a spring 1657, wherein the locking hole 1641 is located at the front part of the armrest support 16, specifically, the locking hole 1641 is formed in the inner wall of the mounting hole 163 and extends along the radial direction of the mounting hole 163, the locking hole 1641 is a blind hole, at least two locking holes 1641 are arranged, in the embodiment, the two locking holes 1641 are arranged at intervals along the axial direction of the mounting hole 163, the locking block 1642 is rotatably arranged on the support plate 162 through a third rotating shaft 1643, the locking block 1642 has a first working position and a second working position, when the locking block 1642 is in the first working position, the locking block 1642 is inserted into the locking hole 1641 to lock the armrest locking mechanism 164, when the locking block 1642 is in the second working position, the locking block 1642 is separated from the locking hole 1641, the locking block 165 can be conveniently changed to the second working position by sliding the second sliding position relative to the support plate 165, and the first sliding position and the second sliding position relative to the armrest support plate 162 can be changed by a user, and the user can easily slide the second sliding position of the armrest support 165 can be changed to the second sliding position relative to the support plate 162.
The spout 1622 has been seted up in the backup pad 162, backup pad 162 includes the connecting block 1621 that its bottom is connected, connecting block 1621 middle part cavity, handle 165 includes handle body 1654, connecting rod 1655 and slider 1656 that from the top down connects gradually, handle body 1654 slidable sets up on backup pad 162, connecting rod 1655 slidable sets up in spout 1622, slider 1656 slidable sets up in connecting block 1621, the setting makes the action part of handrail locking mechanical system 164 mostly hide in mounting hole 163 like this, it is not exposed, stability is high, long service life can not cause the clamp to hurt the user, the security is good.
The slide block 1656 is provided with a limit groove 1653, the extending direction of the limit groove 1653 is parallel to the sliding direction of the handle 165, and the end of the third rotating shaft 1643 is slidably inserted into the limit groove 1653; the slide block 1656 is further provided with a guide groove 1651, an included angle between an extending direction of the guide groove 1651 and a sliding direction of the handle body 1654 is an acute angle, the lock block 1642 is provided with a guide shaft 1652, the guide shaft 1652 is parallel to the third rotation shaft 1643, an end portion of the guide shaft 1652 is slidably arranged in the guide groove 1651, and when the handle 165 slides on the support plate 162, the lock block 1641 is driven to rotate through cooperation of the guide shaft 1652 and the guide groove 1651, so that sliding of the handle 165 is skillfully converted into rotation of the lock block 1641, and a rotation angle of the lock block 1641 can be indirectly limited.
To prevent the link 1655 from being caught by the groove wall of the chute 1622 when the handle 165 is slid, the slider 1656 is caught by the inner wall of the connection block 1621, and both ends of the link 1655 are rotatably coupled to the handle body 1654 and the slider 1656, respectively.
In this embodiment, the electric driving assembly includes a motor 31, a battery 32 and a controller 33, the motor 31 is disposed at the lower end of the rear wheel bracket 11 for driving the rear wheel assembly 22 to rotate, the battery 32 is located under the seat plate 19 for providing electric power to the motor 31, the controller 33 is disposed at the front end of the armrest plate 161, electrodes (not shown in the figure) are disposed on the outer wall of the locking block 1642 and the inner wall of the locking hole 1641, the electrodes are connected in series with the control circuit of the controller 33, when the armrest locking mechanism 164 is in a locked state, the electrodes are connected with the control circuit, the controller 33 can control the motor 31 to rotate, so that the center of gravity of the foldable electric wheelchair can be lowered, the movement of the foldable electric wheelchair can be more stable, the electric driving manner can be more convenient for a user to operate the wheelchair to move, and the potential safety hazard caused by the user touching the controller by mistake when adjusting the height of the armrest plate can be avoided, and the foldable electric wheelchair has a strong high-grade feeling.
The front portion of the armrest support 16 and the support plate 162 extend obliquely forward and downward, and when the height of the armrest plate 161 is adjusted, the armrest plate 161 is driven to move forward and backward to adapt to users with different sizes and different arm lengths, and an included angle between the extending direction of the front portion of the armrest support 16 and the support plate 162 and the horizontal direction is preferably 50-70 degrees, and in this embodiment, the included angle is 63 degrees.
The above embodiments are only for illustrating the technical concept and features of the present invention, and are intended to enable those skilled in the art to understand the present invention and to implement the same, but are not intended to limit the scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be included in the scope of the present invention.
Claims (6)
1. A foldable electric wheelchair comprising a wheelchair frame having an extended and a collapsed position, a wheel assembly located at a bottom of said wheelchair frame, an electric drive assembly for driving said wheel assembly in rotation, a wheelchair frame locking mechanism for locking said wheelchair frame in the extended position, said wheelchair frame comprising:
a rear wheel bracket, the front portion of which extends in a horizontal direction for supporting a seat, and the rear portion of which extends obliquely downward and rearward;
the front wheel bracket is positioned at the front lower part of the seat, and the upper end part of the front wheel bracket is rotationally connected with the front end part of the rear wheel bracket;
the support rod is positioned at the rear lower part of the seat, and the lower end part of the support rod is rotationally connected with the rear part of the rear wheel bracket;
The connecting rod extends obliquely upwards and backwards along the front lower direction, the front end part of the connecting rod is rotationally connected with the lower end part of the front wheel bracket, and the rear end part of the connecting rod is rotationally connected with the upper end part of the supporting rod, so that the front wheel bracket, the connecting rod, the supporting rod and the rear wheel bracket form a first four-bar mechanism;
The lower end part of the backrest bracket is rotationally connected with the upper end part of the supporting rod;
The armrest supports are positioned on two sides of the seat, the front parts of the armrest supports extend obliquely downwards forwards, the rear parts of the armrest supports extend horizontally, the front end parts of the armrest supports are rotationally connected with the front end parts of the rear wheel supports, and the rear end parts of the armrest supports are rotationally connected with the middle parts of the backrest supports, so that the rear wheel supports, the supporting rods, the backrest supports and the armrest supports form a second four-bar mechanism;
The front end part of the armrest support, the upper end part of the front wheel support and the front end part of the rear wheel support share a first rotation shaft, and the lower end part of the backrest support, the upper end part of the support rod and the rear end part of the connecting rod share a second rotation shaft;
The handrail comprises a handrail support, wherein the handrail support is provided with a height-adjustable handrail, the handrail comprises a handrail plate and a support plate, the handrail plate is parallel to the rear part of the handrail support, the upper end part of the support plate is connected to the bottom of the handrail plate, the support plate can be slidably arranged in a mounting hole in the front part of the handrail support in a penetrating manner along the extending direction of the support plate, and the extending direction of the support plate coincides with the extending direction of the front part of the handrail support;
The handrail support is also provided with a handrail locking mechanism for locking the relative positions of the support plate and the handrail support, the handrail locking mechanism comprises locking holes, locking blocks, a handle and a spring, the locking holes are formed in the inner wall of the mounting hole and extend in the radial direction of the mounting hole, at least two locking holes are formed in the radial direction of the mounting hole, the two locking holes are arranged at intervals in the axial direction of the mounting hole, the locking blocks are rotatably arranged on the support plate through third rotating shafts, the locking blocks have a first working position and a second working position, when the locking blocks are in the first working position, the locking blocks are inserted into the locking holes to enable the handrail locking mechanism to be locked, when the locking blocks are in the second working position, the locking blocks are separated from the locking holes to enable the locking mechanism to be unlocked, the handle is slidably arranged on the support plate, when the handle slides relative to the support plate, the handle can drive the locking blocks to be changed between the first working position and the second working position, the spring is located in the first working position, and the handrail has a trend of changing;
The support plate is provided with a sliding groove, the bottom of the support plate is connected with a hollow connecting block, the handle comprises a handle body, a connecting rod and a sliding block, the handle body is slidably arranged on the support plate, the connecting rod is slidably arranged in the sliding groove, and the sliding block is slidably arranged in the connecting block.
2. The foldable electric wheelchair of claim 1, wherein: the wheelchair frame locking mechanism locks the wheelchair frame in an unfolding state by locking the relative positions of the connecting rod and the supporting rod, and comprises an unlocking handle which is rotatably connected with the upper end part of the supporting rod through the second rotating shaft.
3. The foldable electric wheelchair of claim 1, wherein: the sliding block is provided with a limiting groove, the extending direction of the limiting groove is parallel to the sliding direction of the handle, and the third rotating shaft is slidably arranged in the limiting groove in a penetrating mode.
4. The foldable electric wheelchair of claim 1, wherein: the sliding block is provided with a guide groove, an included angle between the extending direction of the guide groove and the sliding direction of the handle is an acute angle, the locking block is provided with a guide shaft, the guide shaft is parallel to the third rotating shaft, the end part of the guide shaft is slidably arranged in the guide groove, and when the handle slides in the supporting plate, the locking block can be driven to rotate through the cooperation of the guide shaft and the guide groove.
5. The foldable electric wheelchair of claim 1, wherein: the two ends of the connecting rod are respectively and rotatably connected to the handle body and the sliding block.
6. The foldable electric wheelchair of any one of claims 1-5, wherein: the electric drive assembly comprises a motor, a battery and a controller, wherein the motor is arranged at the lower end part of the rear wheel support and used for driving the wheel assembly to rotate, the battery is arranged under the seat plate and used for providing power for the motor, the controller is arranged at the front end part of the armrest plate, electrodes are arranged on the outer wall of the locking block and the inner wall of the locking hole and are connected in series with a control circuit of the controller, and when the armrest locking mechanism is in a locking state, the electrodes are connected with the control circuit, and the controller can control the motor to rotate.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110093490.4A CN112674955B (en) | 2021-01-22 | 2021-01-22 | Foldable electric wheelchair |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110093490.4A CN112674955B (en) | 2021-01-22 | 2021-01-22 | Foldable electric wheelchair |
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| Publication Number | Publication Date |
|---|---|
| CN112674955A CN112674955A (en) | 2021-04-20 |
| CN112674955B true CN112674955B (en) | 2024-09-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110093490.4A Active CN112674955B (en) | 2021-01-22 | 2021-01-22 | Foldable electric wheelchair |
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| CN118383956A (en) * | 2023-05-31 | 2024-07-26 | 广东群旺科技股份有限公司 | Folding wheelchair |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN214318345U (en) * | 2021-01-22 | 2021-10-01 | 浙江爱司米电气有限公司 | Foldable electric wheelchair |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101606876B (en) * | 2009-07-29 | 2011-08-03 | 徐宗祥 | Alloy plastic wheelchair |
| CN110251326A (en) * | 2019-07-09 | 2019-09-20 | 苏州凯道智能设备有限公司 | A foldable electric wheelchair |
| CN111671584B (en) * | 2020-06-02 | 2024-06-14 | 浙江爱司米电气有限公司 | Foldable wheelchair |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN214318345U (en) * | 2021-01-22 | 2021-10-01 | 浙江爱司米电气有限公司 | Foldable electric wheelchair |
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