CN210698035U - Portable power-assisted wheelchair - Google Patents
Portable power-assisted wheelchair Download PDFInfo
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- CN210698035U CN210698035U CN201821994483.1U CN201821994483U CN210698035U CN 210698035 U CN210698035 U CN 210698035U CN 201821994483 U CN201821994483 U CN 201821994483U CN 210698035 U CN210698035 U CN 210698035U
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Abstract
Portable helping hand wheelchair, including post bearing wheel (5) and direction wheel (6), its characterized in that: the wheelchair further comprises a backrest (1), a seat (2), supports (12) and supporting rods (21), wherein the supports (12) and the supporting rods (21) are divided into a left group and a right group, the supports (12) and the supporting rods (21) in each group are movably connected through a fulcrum (102), the backrest (1) and the seat (2) are of a folding structure capable of being folded by using a central line, the backrest (1) is arranged between the left support (12) and the right support (12), and the seat (2) is arranged between the left supporting rod and the right supporting rod (21); the utility model discloses a through installing pressure sensor in handle department to realize the function of supplementary rehabilitation training. The moving direction of the wheelchair is controlled by matching with a rocker control device at the armrest. The whole wheelchair is powered by a rechargeable battery and is folded to convert different functions. So as to realize the portable power assisting function.
Description
Technical Field
The utility model relates to a wheelchair for assisting the disabled of lower limbs. The wheelchair has a walking-replacing function and can carry a patient to move; the power assisting function can be realized after the deformation, and the rehabilitation training of the rehabilitation patient is assisted; and can fold and small in size, can make the disabled person go out and carry on various vehicles more convenient.
Background
At present, the wheelchair which is popular in life has single function and can not well meet the use requirement of patients with lower limb disabilities. Have the portable wheelchair that rides instead of walk and rehabilitation training function as an organic whole, not only can assist the patient to accomplish rehabilitation training, can also satisfy the demand that the patient moved for a long distance, extension that can be better and make things convenient for handicapped personage's activity field and space, portable collapsible simultaneously, shared space is little light in weight, overcomes the disease and changes quality of life to the handicapped personage and has extremely great meaning.
The electric wheelchair can meet the requirement of long-distance walking although the physical activity intensity of the handicapped patient is reduced; however, when other vehicles are mounted, the size and weight of the vehicle are also difficult. The up-and-down movement of the wheelchair when carrying the vehicle is not manually possible. Currently, a manipulator is arranged on a vehicle and is lifted and put down like a crane. As well as the lack of convenient and flexible features.
When the traditional wheelchair is used, the disabled needs to replace equipment when performing rehabilitation training, and the rehabilitation patient is difficult to finish by oneself. At this moment, if there is one, small and exquisite lightly, can have the wheelchair of riding instead of walk and training function concurrently, and make things convenient for disabled person oneself to remove, accomplish rehabilitation training by oneself, can bring the change of quality for the life of the disabled person of low limbs undoubtedly.
SUMMERY OF THE UTILITY MODEL
Utility model purpose:
the utility model provides a portable helping hand wheelchair, its purpose is solved the problem that exists in the past, and it is through installing pressure sensor in handle department to realize the function of supplementary rehabilitation training. The moving direction of the wheelchair is controlled by matching with a rocker control device at the armrest. The whole wheelchair is powered by a rechargeable battery and is folded to convert different functions. So as to realize the portable power assisting function.
The technical scheme is as follows:
a multifunctional folding type power-assisted walk-replacing wheelchair for lower limb disabled people comprises bearing wheels, guide wheels, a backrest, a seat, a bracket and support rods, wherein the bracket and the support rods are divided into a left group and a right group;
the bottom of the seat is provided with an X-shaped support, the X-shaped support comprises two bottom supporting rods, the two bottom supporting rods are crossed, the two bottom supporting rods can rotate by taking the crossed point as an axis to form a movable X-shaped structure, the upper ends of the two bottom supporting rods support the left side and the right side of the seat, the bottom ends of the two bottom supporting rods are movably arranged on a cross beam below the supporting rods through a rotatable supporting seat, and the angle is changed through the rotatable supporting seat;
a positioning clamping seat used for supporting the transverse hand-held supporting rod when in use is also arranged on the side of the supporting rod;
the wheelchair has two folding modes, namely a storage folding mode and a rehabilitation training mode;
in the rehabilitation training mode, the bracket rotates by taking the fulcrum as an axis, so that the transverse walking support rod is clamped at the positioning clamping seat (as shown in figure 2) to form a stable training mode;
during the folding mode, the cassette rotates 90 degrees inwards and packs up (as shown in figure 6-2), the backrest closes up to the seat by means of the fulcrum, the backrest and the seat are folded in half towards the middle by means of the folding position of the central line of the backrest and the folding position of the central line of the seat, then the closing up of the two groups of supports and the supporting rods is completed by means of the rotatable supporting seat, the bottom supporting rods are perpendicular to the horizontal angle (approaching) (namely the bottom supporting rods are changed into the folded X-shaped structure), and the folding position of the central line of the seat is supported by changing the angle of the bottom supporting rods, so that. (the specific mode is that when the backrest is not folded, the cross bar above the bottom support bar is clamped on the support bar through a temporary buckle on the support bar, the buckle can be in a U-shaped groove form as shown in figure 6-2, or any one of the existing temporary buckles can be adopted as long as the temporary buckle can be realized, then the backrest is detachably connected with the support, the detachable structure can be in a hook hanging ring form, for example, a hanging ring can be arranged on the backrest, hooks are arranged on the support, the hooks and the hanging rings are arranged along the support from top to bottom, when needed, the hook on one side of the backrest is taken off from the hanging ring of the support and then hung on the hanging ring on the other side, and then the two groups of supports and the support bar are closed by the rotation of the rotatable support base (the shaft of the cross beam below the support bar is used as a shaft for rotation), the bottom support rod is changed into a folded X-shaped structure, the folded position of the central line of the seat is supported through the change of the angle of the bottom support rod, the complete folding is realized, and the folded backrest is directly inserted into one side of the bracket);
the pressure sensor is arranged at the handle at the upper end of the bracket and is connected with the central processing unit, the central processing unit is connected with the wheelchair driving device, and the wheelchair driving device is connected with the bearing wheels and the guide wheels. (the wheelchair driving device can adopt the existing electric wheelchair driving mode; when the wheelchair works in the rehabilitation training assisting mode, the driving wheel can be controlled by the pressure sensor to assist the patient to carry out rehabilitation training, the starting method of the rehabilitation training assisting mode of the wheelchair is shown in figure 7, and the rotation of the driving wheel is controlled by the information of the pressure sensor detection grip.
The front end of the transverse hand-held support rod is provided with a telescopic bracket, the telescopic bracket is provided with a rocker for controlling the wheelchair to move, and the moving direction of the wheelchair can be controlled through the rocker. The remote rod is contracted into the groove at the position of the supporting rod, and the telescopic bracket is contracted into the handrail bracket, so that the integral folding of the wheelchair is realized. The wheelchair instead of walking function is realized by the remote lever controlling the driving wheel of the wheelchair to rotate according to the mode shown in figure 8.
The moving speed of the wheelchair is controlled through the inclination angle of the rocker, and the larger the inclination angle of the rocker is, the faster the moving speed of the wheelchair is. The relationship between the inclination angle theta of the rocker and the wheelchair moving speed v is k theta, k is a constant. (the specific principle is similar to that of the existing electric wheelchair and is not described in detail).
The rocker is a structure capable of stretching up and down, and when the folding chair is folded, the rocker is retracted into the telescopic bracket downwards, and the telescopic bracket is retracted into the transverse hand supporting rod.
The advantages and effects are as follows:
the utility model discloses a through installing pressure sensor in handle department to realize the function of supplementary rehabilitation training. The moving direction of the wheelchair is controlled by matching with a rocker control device at the armrest. The whole wheelchair is powered by a rechargeable battery and is folded to convert different functions. So as to realize the portable power assisting function.
Drawings
The present invention will be further explained with reference to the accompanying drawings and embodiments.
Fig. 1 is a schematic view of the present invention in use.
Fig. 2 is a schematic view of the utility model used as a rehabilitation training aid.
Fig. 3 is a schematic view of the present invention in a folded state.
Fig. 4 is a schematic diagram of the initial state of the present invention.
Fig. 5 is a partial schematic view of a retractable telemetry lever portion of the present invention.
Fig. 6 is a partial schematic view of the cartridge portion of the present invention.
Fig. 7 is a flow chart of the rehabilitation training assistance principle.
FIG. 8 is a flow chart for controlling wheelchair operation.
Detailed Description
The utility model provides a wheelchair is ridden instead of walk to multi-functional foldable helping hand that lower limbs disabilities used, includes bearing wheel 5 and direction wheel 6, its characterized in that: the wheelchair further comprises a backrest 1, a seat 2, supports 12 and support rods 21, wherein the supports 12 and the support rods 21 are divided into a left group and a right group, the supports 12 and the support rods 21 in each group are movably connected through a fulcrum 102, the backrest 1 and the seat 2 are both of folding structures capable of being folded along a central line, the backrest 1 is arranged between the left support 12 and the right support 12, and the seat 2 is arranged between the left support 21 and the right support 21;
an X-shaped support is arranged at the bottom of the seat 2 and comprises two bottom supporting rods 9, the two bottom supporting rods 9 are crossed, the two bottom supporting rods 9 can rotate by taking the crossed point as an axis to form a movable X-shaped structure, the upper ends of the two bottom supporting rods 9 support the left side and the right side of the seat 2, the bottom ends of the two bottom supporting rods 9 are movably arranged on a cross beam below the supporting rods 21 through a rotatable supporting seat 91, and the angle is changed through the rotatable supporting seat 91;
a positioning clamping seat 8 for supporting the transverse hand-held support rod 7 when in use is also arranged on the side of the support rod 21.
The wheelchair has two folding modes, namely a storage folding mode and a rehabilitation training mode;
in the rehabilitation training mode, the bracket 12 rotates by taking the fulcrum 102 as an axis, so that the transverse hand-held support rod 7 is clamped at the positioning clamping seat 8 (as shown in fig. 2; forming a triangular support) to form a stable training mode;
during the folding mode, the clamping seat 8 rotates inwards for 90 degrees to be folded (as shown in fig. 6-2), the backrest 1 is folded towards the seat 2 by the supporting point 102, the backrest 1 and the seat 2 are folded towards the middle by the folding position 11 of the central line of the backrest 1 and the folding position 22 of the central line of the seat 2, then the folding of the two groups of brackets 12 and the supporting rods 21 is completed by the rotatable supporting seat 91, at the moment, the bottom supporting rod 9 is changed to be perpendicular to the horizontal angle (close) (namely, the bottom supporting rod 9 is changed to be a folded X-shaped structure), and the folding position 22 of the central line of the seat 2 is supported by the angle change of the bottom supporting rod. (in a specific manner, when the backrest is not folded, the cross bar 9-1 above the bottom support bar 9 is clamped on the support bar 21 through a temporary buckle 21-1 on the support bar 21, the buckle can be in a U-shaped groove form as shown in fig. 6-2, or any one of the existing temporary buckles can be adopted as long as the temporary buckling can be realized, then the backrest 1 is detachably connected with the support 12, the detachable structure can be in a hook hanging ring form, for example, a hanging ring can be arranged on the backrest 1, a plurality of hooks are arranged on the support 12, the hooks and the hanging rings are arranged from top to bottom along the support 12, when needed, the hook on one side of the backrest 1 is taken off from the hanging ring of the support 12 and then hung on the hanging ring on the other side, then the two groups of supports 12 and the support bar 21 are closed by means of the rotation of the rotatable support base 91 (the shaft of the cross beam below the support bar 21 is used as a shaft), the bottom support bar 9 is changed into a folded X-shaped structure, the folded part 22 of the center line of the seat 2 is supported by changing the angle of the bottom support bar 9, and the folded backrest 1 is directly inserted into one side of the bracket 12).
The pressure sensor 33 is arranged on the handle 3 at the upper end of the bracket 12, the pressure sensor 33 is connected with the central processing unit, the central processing unit is connected with the wheelchair driving device, and the wheelchair driving device is connected with the bearing wheels 5 and the guide wheels 6. (the wheelchair driving device may be a conventional electric wheelchair driving method; when the wheelchair is operated in a rehabilitation training assisting mode, the driving wheel 6 is controlled by the pressure sensor 33 to assist the patient in rehabilitation training, and the wheelchair rehabilitation training assisting mode is started by detecting information on the grip 33 by the pressure sensor 33 to control the rotation of the driving wheel 6 as shown in fig. 7.
The front end of the transverse hand supporting rod 7 is provided with a telescopic bracket 72, the telescopic bracket 72 is provided with a rocker 71 for controlling the movement of the wheelchair, and the movement direction of the wheelchair can be controlled by the rocker 71. The remote rod 71 is contracted into the groove at the position of the support rod 72, and the telescopic bracket 72 is contracted into the handrail bracket 7, so that the integral folding of the wheelchair is realized. The wheelchair walk-instead function is implemented by the remote lever 71 controlling the driving wheel 6 of the wheelchair to rotate in the manner shown in fig. 8.
The movement speed of the wheelchair is controlled by the inclination angle of the rocker 71, and the movement speed of the wheelchair is increased as the inclination angle of the rocker 71 is increased. The relationship between the inclination angle θ of the rocker 71 and the wheelchair movement speed v is v ═ k θ, and k is a constant. The specific principle is similar to that of the existing electric wheelchair and is not repeated.
The rocker 71 is a structure capable of extending up and down, and when the folding chair is folded, the rocker 71 is retracted downwards into the telescopic bracket 72, and the telescopic bracket 72 is retracted into the transverse hand-held support rod 7.
The present invention will be described in detail with reference to the accompanying drawings:
the structure of the wheelchair is shown in fig. 4, a backrest 1 and a bracket (12) are connected with a seat 2 and a bracket (21) through a rotatable fulcrum 102, and the seat 2 is connected with the bracket (21) through four corresponding fasteners (23) or other types of buckles; the outer side fulcrum (41) of the pedal (4) is connected with the bracket (42); when the wheelchair is used, the bracket (12) and the bracket (21) are rotated and adjusted to a preset position by the fulcrum (102), the positioning rod (9) is adjusted to a preset angle, and the wheelchair enters a stable use state under the support of the supporting seat (91) as shown in fig. 1. The wheelchair is driven by electric power, and the direction driving wheel 6 is controlled by the manual rocker 71 to control the moving direction of the wheelchair, so that the function of riding instead of walking is realized.
When the patient needs to do rehabilitation training, the grip 3 is rotated by 180 degrees by virtue of the rotatable bracket (32); the supporting rod (12) and the supporting rod (21) are adjusted to a preset angle by the supporting point 102, and the position of the handrail supporting rod 7 is locked by the clamping seat 8; the pedal (4) is rotated upwards by 90 degrees by means of a rotatable fulcrum (41); at this time, the wheelchair enters a use state for assisting rehabilitation training as shown in fig. 2. Wherein, the handle 3 part is installed with capacitive sensing switch 33, can control the touch condition of handle (3) department through the detection, and control wheel 6 rotates, and the supplementary patient accomplishes rehabilitation training. When the patient's hands are removed, the wheels 6 stop rotating to ensure the safety of the patient. The capacitance switch flow chart is shown in fig. 7. The brake device (31) can be used for braking the wheelchair by the patient in emergency so as to protect the safety of the patient.
When the user needs to place the seat after completing the rehabilitation training, the locking between the clamping seat 8 and the handrail supporting rod 7 is released, and the clamping seat 8 is rotated inwards by 90 degrees, as shown in fig. 6. The backrest 1 is folded towards the seat 2, and the folding action is completed by the supporting point 102; when the support rod (7) is approximately vertical to the ground, the wheelchair is folded towards the middle along the backrest folding part 11 and the seat folding part 22, the backrest folding part (11) and the seat 2 central line folding part 22 are supported by the bottom support rod 9, and the folding action is completed by the rotatable support seat 91. The telescopic bracket 72 is internally provided with a groove, the remote rod 71 can be contracted into the groove, and the telescopic bracket 72 can be contracted into the handrail bracket 7, so that the function of protecting the remote rod can be achieved when the wheelchair is in a folded state. The structure of the part of the remote rod is shown in figure 5. The joystick portion flow chart is shown in fig. 8. The wheelchair is folded integrally to achieve the minimization of the wheelchair, and the effect after folding is shown in figure 3.
Claims (6)
1. A portable helping hand wheelchair, includes bearing wheel (5) and direction wheel (6), its characterized in that: the wheelchair further comprises a backrest (1), a seat (2), supports (12) and supporting rods (21), wherein the supports (12) and the supporting rods (21) are divided into a left group and a right group, the supports (12) and the supporting rods (21) in each group are movably connected through a fulcrum (102), the backrest (1) and the seat (2) are of a folding structure capable of being folded by using a central line, the backrest (1) is arranged between the left support (12) and the right support (12), and the seat (2) is arranged between the left supporting rod and the right supporting rod (21);
the bottom of the seat (2) is provided with an X-shaped support, the X-shaped support comprises two bottom supporting rods (9), the two bottom supporting rods (9) are crossed, the two bottom supporting rods (9) can rotate by taking the crossed point as an axis to form a movable X-shaped structure, the upper ends of the two bottom supporting rods (9) support the left side and the right side of the seat (2), the bottom ends of the two bottom supporting rods (9) are movably arranged on a cross beam below the supporting rods (21) through a rotatable supporting seat (91), and the angle is changed through the rotatable supporting seat (91);
a positioning clamping seat (8) used for supporting the transverse hand supporting rod (7) when in use is also arranged on the side of the supporting rod (21).
2. The portable, power-assisted wheelchair of claim 1, wherein: the wheelchair has two folding modes, namely a storage folding mode and a rehabilitation training mode;
in the rehabilitation training mode, the bracket (12) rotates by taking the fulcrum (102) as an axis, so that the transverse walking support rod (7) is clamped at the positioning clamping seat (8) to form a stable training mode;
during the folding mode, cassette (8) is inwards rotated 90 degrees and is packed up, back (1) relies on fulcrum (102) to close up to seat (2), rely on back (1) central line folding department (11) and seat (2) central line folding department (22) with back (1) and seat (2) to middle fifty percent discount, then rely on rotatable support seat (91) to accomplish closing up of two sets of supports (12) and bracing piece (21), bottom sprag pole (9) become perpendicular with horizontal angle this moment, the angle change through bottom sprag pole (9), support seat (2) central line folding department (22), realize folding completely.
3. The portable power-assisted wheelchair of claim 1 or 2, wherein: a pressure sensor (33) is arranged at the handle (3) at the upper end of the bracket (12), the pressure sensor (33) is connected with a central processing unit, the central processing unit is connected with a wheelchair driving device, and the wheelchair driving device is connected with the bearing wheel (5) and the guide wheel (6).
4. The portable power-assisted wheelchair of claim 1 or 2, wherein: the front end of the transverse hand supporting rod (7) is provided with a telescopic bracket (72), and the telescopic bracket (72) is provided with a rocker (71) for controlling the movement of the wheelchair.
5. The portable, power-assisted wheelchair of claim 4, wherein: the moving speed of the wheelchair is controlled through the inclination angle of the rocker (71), and the moving speed of the wheelchair is faster when the inclination angle of the rocker (71) is larger; the relationship between the inclination angle theta of the rocker (71) and the wheelchair movement speed v is k theta, k being a constant.
6. The portable, power-assisted wheelchair of claim 5, wherein: the rocker (71) is of a structure capable of stretching up and down, when the folding chair is folded, the rocker (71) retracts downwards into the telescopic bracket (72), and the telescopic bracket (72) retracts into the transverse hand supporting rod (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821994483.1U CN210698035U (en) | 2018-11-30 | 2018-11-30 | Portable power-assisted wheelchair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821994483.1U CN210698035U (en) | 2018-11-30 | 2018-11-30 | Portable power-assisted wheelchair |
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| Publication Number | Publication Date |
|---|---|
| CN210698035U true CN210698035U (en) | 2020-06-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821994483.1U Active CN210698035U (en) | 2018-11-30 | 2018-11-30 | Portable power-assisted wheelchair |
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| Country | Link |
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| CN (1) | CN210698035U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109771161A (en) * | 2018-11-30 | 2019-05-21 | 沈阳工业大学 | Portable power assisted wheelchair |
| CN114681222A (en) * | 2020-12-30 | 2022-07-01 | 广东博方众济医疗科技有限公司 | Wheelchair walking aid |
-
2018
- 2018-11-30 CN CN201821994483.1U patent/CN210698035U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109771161A (en) * | 2018-11-30 | 2019-05-21 | 沈阳工业大学 | Portable power assisted wheelchair |
| CN109771161B (en) * | 2018-11-30 | 2024-01-26 | 沈阳工业大学 | Portable power-assisted wheelchair |
| CN114681222A (en) * | 2020-12-30 | 2022-07-01 | 广东博方众济医疗科技有限公司 | Wheelchair walking aid |
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