A sit-stand dual-purpose walker

Abstract

The present invention relates to a sit-stand dual-purpose walker, belonging to the field of surgical rehabilitation therapy. A sit-stand dual-purpose walker comprises a base frame and a plurality of universal wheels, wherein the plurality of universal wheels are mounted on the bottom of the base frame; an openable frame is hingedly connected to the rear side of the base frame, a seat is hingedly connected to the openable frame, a first bracket hole is provided on the bottom surface of the seat, and a second bracket hole is correspondingly provided on the openable frame, and a detachable support rod is provided between the first bracket hole and the second bracket hole. The user enters the device, closes the base frame and the openable frame, and inserts a latch into the corresponding position to fix the two.

Description

Technical Field

[0001] The invention relates to a sit-stand dual-purpose walker, belonging to the field of surgical rehabilitation therapy. Background Art

[0002] Elderly people or patients who are in the stage of limb rehabilitation usually need to use a walker for rehabilitation training, but traditional walkers have a single function, and elderly people or patients with limited mobility often need to prepare a wheelchair for use, which not only takes up space but also increases the cost of care. In order to provide a device that can be used as both a walker and a wheelchair, with a firm structure and convenient installation, which can effectively reduce care costs and enhance the practicality and user experience of medical equipment, the present invention hopes to provide a sit-stand dual-purpose walker. Summary of the invention

[0003] A sit-stand dual-purpose walker, the specific technical scheme of which is as follows.

[0004] A sit-stand dual-purpose walker comprises a base frame and a plurality of universal wheels, wherein the plurality of universal wheels are mounted on the bottom of the base frame; an openable and closable frame is hingedly connected to the rear side of the base frame, a seat is hingedly connected to the openable and closable frame, a first bracket hole is arranged on the bottom surface of the seat, and a second bracket hole is correspondingly arranged on the openable and closable frame, and a detachable support rod is arranged between the first bracket hole and the second bracket hole.

[0005] A latch is provided at the closing position of the base frame and the openable and closable frame. After the base frame and the openable and closable frame are closed, the two are fixed and locked together by the latch.

[0006] The latch comprises a first latch and a second latch. The top of the base frame is provided with the first latch, and the bottom of the base frame is provided with the second latch.

[0007] The openable frame is provided with universal wheels, which are in the same horizontal plane as the three universal wheels provided on the base frame, providing support force for the rear side of the device to prevent the device from tipping backward along with the user.

[0008] The tops of the left and right sides of the base frame are provided with fixing joints, and the fixing joints are provided with fixing rods, and the fixing rods are movably connected with underarm support rods, and the fixing rods are provided with a plurality of support rod adjustment holes, and the support rod adjustment holes are provided with support rod fixing bolts. When the device is used as a walking aid, the height of the underarm support rod is adjusted according to the height of the user, and after the adjustment, the support rod fixing bolts are screwed into the corresponding positions to fix the underarm support rods; when the device is used as a wheelchair, the height of the underarm support rod can be lowered to the lowest position, and the support rod fixing bolts are screwed into the corresponding positions to fix the underarm support rods to prevent them from interfering with the user's movements.

[0009] The two fixing rods on the fixing joint correspond to the two supporting rods on the underarm support rod. The cooperation between the two fixing rods and the two supporting rods can prevent the underarm support rod from having an angle deviation, thereby reducing the comfort of the user and increasing the risk factor during use.

[0010] A plurality of wheelchair armrests are arranged on the top of the rear side of the base frame. The wheelchair armrests are telescopically adjustable, and the telescopic adjustment structure is the same as the telescopic adjustment structure of the underarm support rod. When the device is used as a walker, the wheelchair armrests can be lowered to the lowest position to prevent them from interfering with the user's movements; when the device is used as a wheelchair, the height of the wheelchair armrests is adjusted according to the height of the medical staff and then fixed.

[0011] The top of the front side of the base frame is movably connected with an armrest connecting rod, and a through hole is provided at the connection between the armrest connecting rod and the base frame, and a third latch is provided in the through hole; a lifting armrest is movably connected to the armrest connecting rod; a plurality of connecting rod adjustment holes are provided on the armrest connecting rod, and a connecting rod fixing bolt is provided in the connecting rod adjustment hole. When the device is used as a walker, the armrest connecting rod is adjusted so that the lifting armrest is vertically upward, and the third latch is inserted to fix it. At the same time, the height of the lifting armrest is adjusted. The user's armpits are supported by the armpit support rods on both sides, and both hands hold the lifting armrests for leverage, so that the user is more stable when walking; when the device is used as a wheelchair, the armrest connecting rod is adjusted so that the lifting armrest is vertically downward, and the third latch is inserted to fix it, and the user sitting on the device is limited to prevent the user from sliding out from the front side of the device when braking.

[0012] A pair of foot pedals are hinged at the bottom of the front side of the base frame, and correspondingly, a limiting ring is fixed at the bottom of the front side of the base frame. When the device is used as a walker, the board surface of the foot pedal faces forward to prevent it from interfering with the user's movement; when the device is used as a wheelchair, the board surface of the foot pedal faces the user, and the user's feet rest on the foot pedal.

[0013] The user enters the device, closes the base frame and the retractable frame, and inserts the latch into the corresponding position to lock the two. When the device is used as a wheelchair, the wheelchair armrests, underarm support rods, lifting armrests and foot pedals are adjusted to the corresponding positions, and the support rods are installed between the seat and the retractable frame. The user sits on the seat and puts his feet on the foot pedals, and the person walking with him pushes the device from the back of the device; when the device is used as a walker, the wheelchair armrests, underarm support rods, lifting armrests and foot pedals are adjusted to the corresponding positions, and the support rods between the seat and the retractable frame are removed. The user's armpits are supported by the underarm support rods, and both hands are placed on the lifting armrests. Rehabilitation training is carried out accompanied by medical staff. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 The figure is a schematic diagram of the structure of a sit-stand dual-purpose walker;

[0015] Figure 2 for Figure 1 A schematic diagram of the local structure of the device when the retractable frame is in an open state;

[0016] Figure 3 for Figure 1 A schematic diagram of the structure of the device in a state where the first latch is locked;

[0017] Figure 4 for Figure 1 A schematic diagram of the structure of the device in a state where the foot pedal is facing forward;

[0018] Figure 5 for Figure 1 A schematic structural diagram of a limit ring in the device;

[0019] Figure 6 for Figure 1 A schematic diagram of the local structure of the device when the lifting armrest is in a vertically upward state;

[0020] Figure 7 for Figure 1 Disassembled view of the device.

[0021] 1. Underarm support rod; 2. Fixed rod; 3. Base frame; 4. Lifting armrest; 5. Foot pedal; 6. Universal wheel; 7. Wheelchair armrest; 8. Stool; 9. Support rod; 10. Second latch; 11. Openable frame; 12. Fixed joint; 13. Armrest connecting rod; 14. First bracket hole; 15. Second bracket hole; 16. First latch; 17. Limiting ring; 18. Third latch; 19. Connecting rod adjustment hole; 20. Connecting rod fixing bolt; 21. Support rod. DETAILED DESCRIPTION

[0022] In order to introduce a sit-stand dual-purpose walker in detail, the following is a description with reference to the accompanying drawings. The directional nouns involved in the description process are based on the user sitting on the device, the direction the user faces is the front side, the direction the back faces is the back side, and the left and right sides of the user correspond to the left and right sides of the device.

[0023] A sit-stand dual-purpose walker includes a base frame 3, and three universal wheels 6 are provided at the bottom of the base frame 3, which are distributed in an isosceles triangle, so as to facilitate the movement of the device and keep it stable. The rear side of the base frame 3 is hinged by an openable frame 11, and the openable frame 11 can be opened and closed around the axis to provide a passage for the user to enter and exit. A universal wheel 6 is fixedly connected to the openable frame 11, and the universal wheel 6 is in the same horizontal plane as the three universal wheels 6 on the base frame 3, which greatly improves the stability of the device. The user enters the base frame 3, closes the openable frame 11, and locks the openable frame 11 to the base frame 3 through the first latch 16 and the second latch 10 provided at the closing position of the base frame 3 and the openable frame 11, and the two form a closed fence.

[0024] A seat 8 is hingedly connected to the retractable frame 11, and a first bracket hole 14 is provided on the bottom surface of the seat 8. Correspondingly, a second bracket hole 15 is provided on the retractable frame 11, and a detachable support rod 9 is provided between the first bracket hole 14 and the second bracket hole 15. Whether to disassemble the support rod 9 depends on the different uses of the device.

[0025] Two armrest connecting rods 13 are movably connected to the top of the front side of the base frame 3. The armrest connecting rods 13 on both sides can rotate around the axis. The connecting parts of the armrest connecting rods 13 on both sides and the base frame 3 are provided with through holes. The armrest connecting rods on both sides are fixed in a vertical upward state or a vertical downward state by inserting a third latch 18 into the through holes. A lifting armrest 4 is movably connected to the armrest connecting rod 13. The lifting armrest 4 is extended and retracted in the armrest connecting rod 13. After the position is determined, it is fixed by the connecting rod fixing bolt 20 in the connecting rod adjustment hole 19.

[0026] Two wheelchair armrests 7 are movably connected to the top of the rear side of the base frame 3. The wheelchair armrests 7 can be extended and retracted on the base frame 3. After the height is determined according to the height of the accompanying medical staff, they are fixed by fixing bolts in the adjustment holes (the structure for adjusting the extension and retraction is the same as the structure for adjusting the extension and retraction of the lifting armrest 4).

[0027] The left and right sides of the base frame 3 are provided with fixed joints 12 in opposite positions, and each fixed joint 12 is provided with two fixed rods 2, and an underarm support rod 1 is movably connected to the fixed rod 2. Each underarm support rod 1 is provided with two support rods 21 to cooperate with the two fixed rods 2 on the fixed joint 12 to prevent the underarm support rod from rotating around the axis. When the device is used as a walking aid, the height of the underarm support rods 1 on the left and right sides is adjusted according to the height of the user, and then fixed through the adjustment holes and fixing bolts on the fixed rods 2 (the structure of adjusting the telescopic structure is the same as the structure of adjusting the telescopic structure of the lifting armrest 4), providing support for the user when walking for rehabilitation.

[0028] A pair of footrests 5 are hinged at the bottom of the front side of the base frame 3. The footrests 5 can rotate around the axis. A pair of fixed limiting rings 17 are provided at the bottom of the front side of the base frame 3. The rotation angle of the footrests 5 can be limited by the limiting rings 17. When the device is used as a wheelchair, the footrests 5 face the user and the user's feet rest on the footrests 5; when the device is used as a walker, the footrests 5 face forward and are folded to prevent interference with the user's walking activities.

[0029] When the device is used as a wheelchair, the support rod 9 is installed in the first bracket hole 14 and the second bracket hole 15, so that the seat 8 is horizontal, which is convenient for the user to sit. At the same time, the footrest 5 is adjusted to face the user, which is convenient for the user to rest his feet; the lifting armrest 4 and the armrest connecting rod 13 are adjusted to the vertical downward position, and the third pin 18 is inserted into the through holes of the armrest connecting rods 13 on the left and right sides to fix them, so as to prevent sudden braking and the user from sliding out from the front side of the base frame 3; the wheelchair armrest 7 is adjusted according to the height of the accompanying medical staff, and fixed by the fixing bolts in the adjustment holes on the base frame 3. After the user is seated, the accompanying medical staff pushes the wheelchair armrest 7 forward.

[0030] When the device is used as a walking aid, the underarm support rod 1 is adjusted to a height suitable for the height of the user, and fixed through the adjustment holes and fixing bolts at the connection between the fixing rod and the support rod to provide support for the underarms on both sides of the user; the footrest 5 is adjusted to the front of the board to prevent it from interfering with the user's walking. At the same time, the lifting armrest 4 is adjusted to be vertically upward, and fixed after the height is adjusted, so that the user's hands can lean on it for support.

[0031] The above embodiments are only used to explain the inventive concept of the present invention, rather than to limit the protection of the rights of the present invention. Any non-substantial changes to the present invention using this concept shall fall within the protection scope of the present invention.

Claims

1. A sit-stand dual-purpose walking aid, characterized in that: The invention comprises a base frame and a plurality of universal wheels, wherein the plurality of universal wheels are mounted on the bottom of the base frame; an openable frame is hingedly connected to the rear side of the base frame, a seat is hingedly connected to the openable frame, a first bracket hole is arranged on the bottom surface of the seat, and a second bracket hole is correspondingly arranged on the openable frame, a detachable support rod is arranged between the first bracket hole and the second bracket hole; a plurality of wheelchair armrests are arranged on the top of the rear side of the base frame; a fixing joint is arranged on the top of the left and right sides of the base frame, a fixing rod is arranged on the fixing joint, an underarm support rod is movably connected to the fixing rod, and a plurality of support rod adjustment holes are arranged on the fixing rod, and a support rod fixing bolt is arranged in the support rod adjustment hole; a front side of the base frame There are two armrest connecting rods movably connected to the top, and the armrest connecting rods on both sides can rotate around the axis. Through holes are provided on the connection points between the armrest connecting rods on both sides and the base frame, and the armrest connecting rods on both sides are fixed in a vertical upward state or a vertical downward state by inserting a third latch into the through holes; a lifting armrest is movably connected to the armrest connecting rod; a plurality of connecting rod adjustment holes are provided on the armrest connecting rod, and connecting rod fixing bolts are provided in the connecting rod adjustment holes; when the device is used as a walker, the armrest connecting rod is adjusted to make the lifting armrest vertically upward, and the third latch is inserted to fix it; when the device is used as a wheelchair, the armrest connecting rod is adjusted to make the lifting armrest vertically downward, and the third latch is inserted to fix it.

2. A sit-stand dual-purpose walking aid according to claim 1, characterized in that: A latch is provided at the closing position between the base frame and the openable and closable frame.

3. The sit-stand dual-purpose walking aid according to claim 2, characterized in that: The latch comprises a first latch and a second latch. The top of the base frame is provided with the first latch, and the bottom of the base frame is provided with the second latch.

4. The sit-stand dual-purpose walking aid according to claim 1, characterized in that: The openable and closable frame is provided with universal wheels.

5. The sit-stand dual-purpose walking aid according to claim 1, characterized in that: The fixing joint is provided with two fixing rods, and correspondingly, the underarm support rod is provided with two supporting rods.

6. The sit-stand dual-purpose walking aid according to claim 1, characterized in that: A pair of foot pedals are hingedly connected to the bottom of the front side of the base frame, and correspondingly, a limiting ring is fixedly provided on the bottom of the front side of the base frame.

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