CN110664554B - Wheelchair equipped with auxiliary walking device - Google Patents

Abstract

The invention provides a wheelchair provided with an auxiliary walking device, which comprises a wheelchair main body, two auxiliary split bodies and connecting parts, wherein the auxiliary split bodies and the connecting parts can be symmetrically arranged on the left side and the right side of the wheelchair main body. The wheelchair body has a frame that integrally forms a support for the wheelchair body. The auxiliary split body is provided with a connecting groove, one end of the connecting part is hinged or can be assembled on one of the two auxiliary split bodies, and the other end of the connecting part can be assembled on the other of the two auxiliary split bodies in a sliding way, so that the two auxiliary split bodies are integrally connected. An assembly part is arranged between the walking aid split body and the frame, and comprises a positioning part and a positioning matching part; a locking mechanism which can be triggered and locked by the entering of the positioning part is arranged in the positioning matching part; and an unlocking operation device is arranged on the walking aid split body. The wheelchair provided with the auxiliary walking device integrates the riding and walking functions, and has good adaptability between the auxiliary walking device and the wheelchair main body and between the wheelchair and a user.

Description

Wheelchair with walking aid

Technical Field

The present invention relates to the technical field of medical rehabilitation products, and in particular to a wheelchair equipped with an auxiliary walking device.

Background Art

In the prior art, in order to facilitate wheelchair users to exercise independently and prevent muscle atrophy, most people need to use auxiliary walking devices, such as crutches. The crutches have a simple structure and are easy to use, but they are large in size and inconvenient to carry. It is difficult for wheelchair users to carry crutches.

A walking-assist device can assist users with mobility impairments in walking and exercising through hand support, while a wheelchair is a means of transportation for those with mobility impairments, and the two often need to be used in conjunction with each other.

Existing wheelchairs and auxiliary walking devices are produced separately, and both need to be carried separately. It is very difficult for users of wheelchairs or auxiliary walking devices to carry both at the same time, and both need to be used frequently; therefore, some wheelchairs are integrated with detachable auxiliary walking devices. However, the connecting parts on the auxiliary walking device are generally placed horizontally on the front of the wheelchair, affecting the normal use of the wheelchair or the placement of the feet on the footrest. Moreover, the removal of the existing auxiliary walking device from the wheelchair mostly requires certain operating skills, resulting in poor adaptability between the auxiliary walking device integrated in the wheelchair and the wheelchair.

Summary of the invention

In view of this, the present invention aims to provide a wheelchair equipped with an auxiliary walking device, so as to provide a multifunctional wheelchair with better applicability and integrating riding and walking-assisting functions.

To achieve the above object, the technical solution of the present invention is achieved as follows:

A wheelchair equipped with an auxiliary walking device, comprising:

A wheelchair body having a frame that supports the entirety of the wheelchair body;

Two walking-assisting parts that can be symmetrically arranged on the left and right sides of the wheelchair, the walking-assisting parts having a supporting part and a supporting part that is arranged above the supporting part and is adjustable in height relative to the supporting part;

At least one connecting member, one end of which is hinged or slidably mounted on one of the two walking-assisting parts, and the other end of which is slidably mounted on the other of the two walking-assisting parts, thereby forming an integral connection between the two walking-assisting parts;

The first assembly part is arranged between the frame and the walking-assisting part, and includes a positioning part constructed on the frame and a positioning matching part constructed on the walking-assisting part. A locking mechanism is arranged in the positioning matching part, which can be triggered by the entry of the positioning part to lock the positioning part in the positioning matching part; and an operating device for unlocking the locking mechanism is arranged on the walking-assisting part.

Furthermore, magnetic materials are disposed in the positioning portion and the positioning matching portion; when the positioning portion is close to the positioning matching portion, the positioning portion can be adsorbed into the positioning matching portion due to magnetic force.

Furthermore, the positioning matching portion is a positioning groove constructed on the supporting portion of the walking aid split, and a trigger pin that can trigger the locking mechanism due to the pressing of the positioning portion is arranged at the bottom of the positioning groove; the positioning portion is a protrusion constructed on the bonding platform of the frame, and a neck groove is constructed at the connecting portion between the positioning portion and the bonding platform; the locking mechanism has a claw that can be clamped in the neck groove.

Furthermore, a second assembly part located above the first assembly part is provided between the walking-assisting part and the frame; the second assembly part includes a fixed hook constructed on the frame, and a movable hook constructed on the walking-assisting part; the movable hook is hinged on the walking-assisting part and is equipped with a tension spring; the tension spring constitutes a pre-tightening force for the movable hook and the fixed hook to be hooked.

Furthermore, the second assembly part also includes a connecting part arranged above the fixed hook, and a connecting matching part arranged above the movable hook corresponding to the connecting part; a plurality of metal elastic protrusions insulated from the frame are arranged on the connecting part, and metal connecting points insulated from the connecting matching part and corresponding to the number of the elastic protrusions are constructed on the connecting matching part; when the walking aid split is assembled on the wheelchair body, the elastic protrusions and the connecting points can constitute electrical conduction between the auxiliary walking device and the wheelchair body.

Furthermore, the operating device includes a pull wire connected to the clamping claw and the movable hook, and an operating rod capable of pulling the pull wire.

Furthermore, the connecting component includes a first connecting component with connecting heads at both ends; the walking aid split body is provided with a connecting groove with an opening facing or obliquely upward; the connecting head can slide into the connecting groove through the opening to form a fixed connection between the two walking aid split bodies.

Furthermore, the connecting component includes a second connecting component; one end of the second connecting component is hinged to one of the two walking-assisting parts, and the other end is configured with a sliding end, and the sliding end can slide into a transfer groove opened on the other of the two walking-assisting parts.

Furthermore, a locking device is provided between the transfer groove and the sliding end; and a storage groove is provided on the walking aid split body hinged to the second connecting component, and the second connecting component can be rotatably stored in the storage groove.

Furthermore, a telescopic portion is provided on the connecting component, and the telescopic portion can be used to adjust the width distance between the two walking-assisting parts.

Compared with the prior art, the present invention has the following advantages:

The wheelchair equipped with the auxiliary walking device of the present invention can facilitate the introduction and positioning of the auxiliary walking device during the process of assembling it to the wheelchair body by setting the positioning part and the positioning matching part. The locking mechanism and the operating device are arranged on the auxiliary walking device to facilitate the locking and disassembly of the auxiliary walking device on the wheelchair body, thereby improving the convenience of the assembly and disassembly operation of the auxiliary walking device on the wheelchair body, making the wheelchair integrated with the auxiliary walking device more suitable for wheelchair users with poor operating ability. The use of magnetic adsorption positioning can make the assembly and introduction positioning of the auxiliary walking device on the wheelchair body more convenient, thereby further improving the convenience of the assembly and operation of the auxiliary walking device on the wheelchair body.

At the same time, by setting a neck groove on the positioning part, the wheelchair body and the auxiliary walking device are clamped and connected by the claws on the auxiliary walking device, and the claws can be in a standby state by using the support plate. When the trigger pin is pressed and triggered, the locking mechanism can be automatically locked. The structure is simple and ingenious, and has good technical feasibility. The second assembly part using a hook method is set between the wheelchair body and the auxiliary walking device, which can further strengthen the assembly firmness of the auxiliary walking device on the wheelchair body.

In addition, the wheelchair adopts a split structure for the detachable auxiliary walking device installed on the wheelchair body, which can be symmetrically placed on both sides of the wheelchair body, and will not affect the normal use of the wheelchair body; when using the auxiliary walking device, the first connecting component can be conveniently used to assemble the two walking assisting parts into one to form an integrated auxiliary walking device, which is convenient for walking training, thereby improving the adaptability of the integrated assembly of the auxiliary walking device on the wheelchair. The two connecting grooves for assembling the first connecting component are arranged on the side wall above the inclined surface, so that the first connecting component can be well connected between the two auxiliary walking devices due to gravity, thereby reducing the possibility of the first connecting component falling off. The second connecting component is connected between the two auxiliary walking devices, which can improve the overall firmness of the auxiliary walking device, thereby improving its use performance. The use of the assembly form of hinged and rotating sliding, and the addition of a locking device such as a positioning pin can make the connection and assembly operation of the second connecting component convenient, and can effectively reduce the situation of the sliding end falling out.

BRIEF DESCRIPTION OF THE DRAWINGS

The accompanying drawings, which constitute part of the present invention, are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention. The directional terms such as front and back, up and down, etc. involved therein are only used to indicate relative positional relationships and do not constitute improper limitations on the present invention. In the accompanying drawings:

FIG1 is a schematic diagram of the overall three-dimensional structure of an auxiliary walking device and a wheelchair body assembled as one according to Embodiment 1 of the present invention;

FIG2 is a schematic diagram of the three-dimensional structure of the wheelchair body according to the first embodiment of the present invention;

FIG3 is a schematic diagram of the three-dimensional structure of the auxiliary walking device according to the first embodiment of the present invention;

FIG4 is a schematic diagram of an assembly of two walking aid parts connected as one by a first connecting member and a second connecting member according to the first embodiment of the present invention;

FIG5 is a schematic cross-sectional view of the first connecting component according to the first embodiment of the present invention;

FIG6 is a schematic cross-sectional view of the second connecting member according to the first embodiment of the present invention;

FIG7 is a partial enlarged view of the portion shown at point A in FIG1 ;

Fig. 8 is a schematic diagram of the cross-sectional structure of the portion indicated by B-B in Fig. 7;

Fig. 9 is a schematic diagram of the cross-sectional structure of the portion shown by C-C in Fig. 8;

10 is a partial structural schematic diagram of an armrest with a monitoring device installed on the auxiliary walking device according to the second embodiment of the present invention;

Description of reference numerals:

1- wheelchair body, 100- frame, 101- seat cushion, 102- backrest, 103- push handle, 104- main wheel, 105- secondary wheel, 106- folding connecting rod, 107- foot support, 108- foot support shaft;

2-walking aid split, 200-support part, 201-foot beam, 202-inclined beam, 203-ratchet shaft, 204-ratchet, 2040-ratchet rod, 205-support part, 206-operating rod, 207-pull wire, 208-roller, 210-connecting groove, 220-storage groove, 221-transfer groove;

3-second assembly part, 301-fixed hook, 302-communication part, 303-elastic protrusion, 310-second assembly seat, 311-movable hook, 3110-movable hook shaft, 3111-connecting plate, 3112-tension spring, 312-communication matching part, 313-communication point;

4-first assembly part, 401-fitting platform; 402-positioning part, 4020-neck groove, 410-first assembly seat, 411-claw, 412-claw rotating shaft, 413-claw tension spring, 414-positioning groove, 420-trigger pin, 421-trigger plate, 422-trigger plate shaft, 430-supporting plate, 431-supporting plate shaft, 432-supporting block, 433-spring seat;

5-first connecting component, 501-connecting head;

6-second connecting member, 600-connecting rod shaft, 601-rotating end, 602-sliding end, 603-locking device;

701-telescopic rod, 7011-telescopic locking device, 702-telescopic rod piston, 703-conducting hole, 704-telescopic cavity, 705-telescopic rod receiving body, 7050-sealing ring, 7051-positioning groove;

8-Monitoring device.

DETAILED DESCRIPTION

It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments may be combined with each other.

In addition, in the description of the present invention, the directional nouns such as left, right, up, and down are used for the convenience of description and are based on the terms in the illustrated state, and should not be understood as constituting a limitation on the structure of the present invention; the first, second, third, etc. mentioned are also for the convenience of description and should not be understood as indicating or implying relative importance. In the embodiments of the present invention, the auxiliary walking device mentioned refers to a device that assists the user in walking exercise, which can be a crutch, a frame-type walker, or the like, and can be a device with rollers or a device without rollers.

The present invention will be described in detail below with reference to the accompanying drawings and in conjunction with embodiments.

Embodiment 1

The present embodiment relates to a wheelchair equipped with an auxiliary walking device, which integrates the functions of sitting and walking assistance, and has good adaptability between the auxiliary walking device and the wheelchair body, and between the wheelchair and the user. The wheelchair includes a wheelchair body, two auxiliary walking devices that can be symmetrically arranged on the left and right sides of the wheelchair, at least one connecting component and a first assembly part. The wheelchair body has a frame that supports the entire wheelchair body; one end of the connecting component is hinged or can be slid into and assembled on one of the two walking-assisting parts, and the other end can be slid into and assembled on the other of the two walking-assisting parts, so as to form an integral connection between the two walking-assisting parts; the first assembly part is arranged between the frame and the walking-assisting parts, including a positioning part constructed on the frame, and a positioning matching part constructed on the walking-assisting parts, and a locking mechanism that can be triggered by the entry of the positioning part to lock the positioning part in the positioning matching part is arranged in the positioning matching part; and an operating device that can unlock the locking mechanism is arranged on the walking-assisting parts.

Based on the above-mentioned overall structural principle, this embodiment adopts the following exemplary structural description to illustrate the technical solution and implementation methods of the present invention.

As shown in Fig. 1, a disassembly and assembly structure is provided between the auxiliary walking device and the wheelchair to facilitate the disassembly and assembly of the two. Preferably, the disassembly and assembly structure is provided between the frame 100 of the wheelchair body 1 and the support portion 200 of the walking aid part 2, and only the first assembly portion 4 may be provided, or both the second assembly portion 3 and the first assembly portion 4 may be provided.

It should be noted in advance that the wheelchair body 1 can be an ordinary push wheelchair or an electric wheelchair. Similarly, the disassembly and assembly structure is also applicable to a foldable wheelchair. When the wheelchair needs to be folded, the auxiliary walking device can be removed first, and then the wheelchair body 1 can be folded.

FIG2 shows the overall structure of a common wheelchair body 1, which includes a seat cushion 101 for people to sit on and a backrest 102 for people to lean on; a push handle 103 is used for caregivers to push the wheelchair, and a main wheel 104 and a secondary wheel 105 are used for walking and rolling; a folding connecting rod 106 is put together and folded when the wheelchair body 1 is folded, and the seat cushion 101 is folded in it at the same time. It is explained here that the foldable wheel cushion 101 must be made of fabric, fiber fabric and other materials that are easy to fold. In addition, a footrest 107 is used to place the feet of the passenger, and a footrest shaft 108 is used to rotate and fold the footrest 107 to facilitate the folding of the wheelchair body 1.

As shown in FIG. 1 in combination with FIG. 2 and FIG. 3 , the second assembly portion 3 and the first assembly portion 4 are disposed between a frame 100 for connecting components on a wheelchair body 1 and a support portion 200 which is a main part of the auxiliary walking device.

FIG3 shows a split-type auxiliary walking device, which is composed of two auxiliary walking parts 2 symmetrically arranged and assembled on the wheelchair body 1. When used for auxiliary walking, as shown in FIG4, the auxiliary walking device can be connected as a whole through the first connecting part 5 and the second connecting part 6, so that when it is assembled on the wheelchair body 1, it does not affect the normal use of the wheelchair body 1. The two auxiliary walking parts 2 connected as a whole form a complete auxiliary walking device.

In this embodiment, the walking aid part 2 includes a supporting part 205 and a supporting part 200, and the supporting part 200 can be designed in the form of a frame or a pole. In this embodiment, a pole is used, and a foot beam 201 is connected below the pole, and an inclined beam 202 connected between the pole and the foot beam 201 can also be provided. In order to increase the mobility of the walking aid part 2, a roller 208 can be installed at the bottom of the foot beam 201. The supporting part 205 is supported above the supporting part 200, and is used to support the hands or arms of the body, and can be constructed in the form of an armrest.

In order to meet different height requirements, as shown in FIG4 , the support part 205 and the support part 200 of the walking aid split 2 can be connected by a ratchet shaft 203, and a ratchet 204 can be provided; other adjustment structures can also be used to make the height of the support part 205 adjustable, thereby facilitating the improvement of the performance of the split-type walking aid device under different use conditions. In this embodiment, as a preferred solution, the support part 205 can be hinged to the top of the support part 200 via the ratchet shaft 203, a ratchet 204 is provided on the ratchet shaft 203, and an elastic member is added between the ratchet 204 and the support part 205 or the support part 200, and the elastic member drives the locking block to form a rotation lock for the rotation of the ratchet 204. At the same time, a ratchet rod 2040 is provided on the support part 205, and the ratchet rod 2040 can constitute the release of the rotation lock under operation.

In this embodiment, as shown in Figures 3 and 4, the split-type auxiliary walking device adapted for the wheelchair includes two walking-assisting split bodies 2 that can be symmetrically arranged on the left and right sides of the wheelchair body 1, and the walking-assisting split bodies 2 have a supporting portion 205 for the user to hold on to, and a supporting portion 200 supported below the supporting portion 205; it also includes a first connecting component 5, and both ends of the first connecting component 5 are configured with connecting heads 501; a connecting groove 210 is configured on the supporting portion 200, and the connecting head 501 can be slid into and assembled in the connecting groove 210, so that the first connecting component 5 connects the two walking-assisting split bodies 2 into one.

As shown in FIG4 and FIG5 , in order to reduce the possibility of the first connecting member 5 falling off, the upper half of the support portion 200 is curved, and the connecting groove 210 is provided on the side wall of the supporting portion 200 on the outer side of the arc that is inclined upward. The two connecting grooves 210 for assembling the first connecting member 5 are arranged on the side wall above the inclined surface, so that the first connecting member 5 can be well connected between the two walking-assisting parts 2 due to gravity.

It should be pointed out that there are many options for the shape of the connecting head 501, which can be a "T" shape, a wedge shape or other shapes, so that after the connecting head 501 slides into the connecting groove 210, it cannot fall out along the length direction of the first connecting component 5, and can limit the rotation of the walking aid split 2 relative to the connecting head 501.

The first connecting component 5 which can be removed as a whole can be placed on the wheelchair, or a receiving portion can be constructed on one of the wheelchair body 1 and the walking aid part 2 for placing the removed first connecting component 5.

As shown in FIG. 4 in combination with FIG. 5 and FIG. 6 , the split-type auxiliary walking device adapted for the wheelchair further includes a second connecting component 6 disposed between the two auxiliary walking components 2; one end of the second connecting component 6 is hinged to one of the two supporting parts 200, and the other end of the second connecting component 6 is a "T"-shaped sliding end 602, which can slide into the transfer groove 221 provided on the other of the two supporting parts 200. At the same time, the second connecting component 6 is connected between the two auxiliary walking components 2, so that the overall firmness of the auxiliary walking device can be improved, thereby improving its performance.

It should be noted that the "T"-shaped end of the connector 501 and the sliding end 602 is only one form of assembly, and other shapes and structures that are convenient for sliding in and out may also be used; when the "T" shape is used, each side edge of the end may be chamfered with an arc surface to facilitate assembly and avoid possible scratches on the human body.

In order to facilitate the connection and assembly operation of the second connection member 6 and effectively reduce the possibility of the sliding end 602 coming out, as shown in FIG6 , a locking device 603 is provided between the transfer groove 221 and the sliding end 602, for example, a positioning pin that can be elastically pressed in and ejected is used to cooperate with the positioning groove. Obviously, the positioning pin can be provided on the sliding end 602, and the corresponding positioning groove can be provided on the inner wall of the transfer groove 221, and the positions of the two can also be interchanged.

In addition, in order to facilitate storage when the second connecting component 6 is not in use, as shown in Figure 3 and in combination with Figure 6, a foot beam 201 is provided at the lower portion of the support portion 200, and a storage groove 220 is provided on the foot beam 201 located on the same side as the rotating end 601 of the second connecting component 6, and the second connecting component 6 can be rotatably stored in the storage groove 220.

In order to solve the problem that the width of the wheelchair body 1 is inconsistent with the width of the split-type auxiliary walking device adapted to the wheelchair when in use, a telescopic part is provided for the first connecting part 5 and the second connecting part 6, so that when the auxiliary walking device is assembled on the wheelchair body 1, its supporting part 205 can be used as the supporting part of the wheelchair body 1; when the device needs to be removed for walking assistance, the first connecting part 5 can be assembled on the wheelchair body 1 first, and the second connecting part 6 can be assembled after the device is removed, and then the width of the device can be adjusted according to the width of use, so as to make the use effect of the device better. The middle part of the first connecting part 5 and the second connecting part 6 are both provided with a telescopic part, and the telescopic part can constitute the adjustment of the width of the split-type auxiliary walking device adapted to the wheelchair.

Specifically, as shown in Fig. 5 and Fig. 6, the telescopic part includes a telescopic rod 701, a telescopic rod piston 702 arranged on the telescopic rod 701, a telescopic cavity 704 sleeved outside the telescopic rod 701 and the telescopic rod piston 702, and a telescopic rod receiving body 705 sleeved on the free end of the telescopic rod 701 and connected to the telescopic cavity 704; a sliding cavity is formed inside the telescopic cavity 704, and the sliding cavity is filled with liquid, and a conducting hole 703 is opened on the telescopic rod piston 702; when the telescopic rod 701 is telescoped in the telescopic cavity 704, the liquid on both sides of the telescopic rod piston 702 flows through the conducting hole 703. The use of a liquid damping telescopic structure can make the width adjustment of the device have better operational performance.

As shown in FIG6 , the second connecting member 6 is hinged to the supporting part 200 of the walking aid part 2 through the connecting rod shaft 600, and the free end of the telescopic part, i.e., the end on the right side in the figure, is inserted into the telescopic rod receiving body 705, and a sealing ring 7050 is provided between the two to prevent the liquid in the telescopic cavity 704 from overflowing to the telescopic rod receiving body 705. The above-mentioned liquid can be hydraulic oil, lubricating oil, etc.

In order to form a certain degree of positioning lock at different telescopic positions of the telescopic part, so as to make the width adjustment performance of the device better, a plurality of telescopic locking devices 7011 are arranged between the free end of the telescopic rod 701 and the inner wall of the telescopic rod receiving body 705, and each telescopic locking device 7011 is evenly spaced along the telescopic direction of the telescopic part. Similarly, the telescopic locking device 7011 can also adopt a structural form of a positioning pin and a positioning groove, or other positioning locking structural forms. The positioning pin of the telescopic locking device 7011 can be set on the telescopic rod 701, and the corresponding positioning grooves 7051 can be set on the inner wall of the telescopic rod receiving body 705. Of course, the positions of the two can also be interchanged.

The structures of the first assembly portion 4 and the second assembly portion 3 are described in detail as follows.

As shown in Figure 7 in combination with Figures 8 and 9, the first assembly portion 4 includes a positioning portion 402 constructed on the frame 100, and a positioning groove 414 constructed on the support portion 200; a trigger pin 420 is provided at the bottom of the positioning groove 414, and a locking mechanism is provided in the support portion 200; when the positioning portion 402 enters the positioning groove 414, the trigger pin 420 is pressed to trigger the locking mechanism to lock the positioning portion 402 in the positioning groove 414; and an operating device for releasing the lock is provided on the walking aid split 2.

In order to facilitate the assembly, introduction and positioning of the walking aid separate body 2 on the wheelchair main body 1, thereby further improving the convenience of the assembly operation of the walking aid separate body 2 on the wheelchair main body 1, one of the positioning portion 402 and the positioning groove 414 can be made of a magnet, and the other can be made of steel or iron; when the positioning portion 402 is close to the positioning groove 414, the positioning portion 402 can be sucked into the positioning groove 414 due to the magnetic force.

The shapes of the positioning portion 402 and the positioning groove 414 are matched with each other, and there are many optional forms of the shapes of the two, as long as the positioning portion 402 can smoothly slide into the positioning groove 414. Preferably, in this embodiment, the positioning portion 402 adopts the shape of a section of a cone, that is, its side surface is a conical surface.

In order to achieve good locking of the wheelchair body 1 and the walking aid part 2, as a preferred form, the positioning part 402 is constructed on the fitting platform 401 of the frame 100, and a neck groove 4020 is constructed at the connection part between the positioning part 402 and the fitting platform 401; the locking mechanism includes a claw 411 that can be clamped in the neck groove 4020, and a supporting plate 430 acting on the claw 411; the claw 411 is hinged on the support part 200, and can be separated from the neck groove 4020 due to the support of the supporting plate 430; the triggered trigger pin 420 can transmit the action on the supporting plate 430, which can constitute the elimination of the support, and the claw 411 is clamped into the neck groove 4020 due to the action of the claw tension spring 413. By setting a neck groove 4020 on the positioning part 402, the wheelchair body 1 and the walking aid part 2 are clamped and connected through the claw 411 located on the walking aid part 2, and the claw 411 can be in a standby state by supporting the supporting plate 430. When the trigger pin 420 is pressed and triggered, the locking mechanism can be automatically locked. The structure is simple and ingenious, and has good technical feasibility.

Specifically, as shown in FIGS. 8 and 9 , when the walking aid part 2 approaches the assembly position on the wheelchair body 1, the positioning part 402 is first sucked into the positioning groove 414 by the magnetic force, and the trigger pin 420 in the standby state protrudes out of the bottom surface of the positioning groove 414 under the action of the spring seat 433. At this time, it is pressed by the positioning part 402 and retracted into the first assembly seat 410, thereby driving the trigger plate 421 to rotate around the trigger plate shaft 422. The other end of the trigger plate shaft 422 drives the support plate 430 to rotate around the support plate shaft 431, and drives the support block 432 integrally connected to the support plate 430 to move below the claw 411. When the supporting block 432 that originally supported the claw 411 leaves the supporting position, the claw 411 rotates under the tension of the claw tension spring 413, so that the semicircular fork-shaped end of the claw 411 is inserted into the neck groove 4020 of the positioning portion 402, thereby locking the walking aid split 2 on the wheelchair body 1.

It should be noted that the above-mentioned locking structure is only an example, and other locking structures may also be used under the design principles of the present invention.

In order to further strengthen the assembly firmness of the walking aid part 2 on the wheelchair body 1, a second assembly part 3 is further provided between the walking aid device of this embodiment and the wheelchair, as shown in FIG3 and FIG8 , the second assembly part 3 includes a fixed hook 301 constructed on the frame 100, and a movable hook 311 constructed on the support part 200; the movable hook 311 is hinged on the support part 200 and is equipped with a tension spring 3112; the tension spring 3112 constitutes the pre-tightening force of the movable hook 311 and the fixed hook 301. Specifically, a second assembly seat 310 is constructed on the support part 200, and the movable hook 311 is arranged in the second assembly seat 310, and is hinged in the hollow cavity of the support part 200 through a movable hook shaft 3110 fixedly connected thereto; in addition, a connecting plate 3111 is connected to the left end of the movable hook shaft 3110 to facilitate the operation of rotating the movable hook 311 to disengage the hook. Obviously, when the walking aid split body 2 needs to be removed, the movable hook 311 can be operated to be disengaged. For the convenience of operation, a separate operating device can be provided or the same operating device can be shared with the claw 411 .

In order to provide good conditions for the functional expansion of the wheelchair body 1 or the walking-assisting part 2, as shown in FIG2 and FIG8, the second assembly part 3 also includes a connecting part 302 arranged above the fixed hook 301, and a connecting matching part 312 arranged above the movable hook 311 corresponding to the connecting part 302; a plurality of metal elastic protrusions 303 insulated from the frame 100 are arranged on the connecting part 302, and metal connecting points 313 insulated from the supporting part 200 and corresponding to the number of the elastic protrusions 303 are constructed on the connecting matching part 312; when the walking-assisting part 2 is assembled on the wheelchair body 1, the elastic protrusions 303 and the connecting points 313 can form electrical conduction between the walking-assisting part 2 and the wheelchair body 1. The electrical connection mechanism is arranged between the wheelchair body 1 and the walking-assisting part 2, which can form a circuit connection between the two when the assembly is completed, and facilitate the arrangement of electrical components, intelligent equipment, etc. on the wheelchair body 1 and the walking-assisting part 2.

There are many options for the above-mentioned operating device; however, due to the arrangement of the roller 208 on the walking-assisting part 2, the walking-assisting part 2 is generally equipped with an operating rod 206, which is generally arranged below the supporting part 205, hinged to the supporting part 205 through a rotating shaft, and equipped with a pull wire 207 to brake each roller 208. Based on the arrangement of the pull wire 207, in this embodiment, the operating device is implemented by the operating rod 206 and the pull wire 207. As shown in FIG8 , the left end of the claw 411 is connected to the pull wire 207, and the end of the connecting plate 3111 is simultaneously connected to the pull wire 207; when the operating rod 206 is operated, the second assembly part 3 and the first assembly part 4 can be unlocked at the same time. By using the pull wire 207 as the operating connection piece, the claw 411 and the movable hook 311 can be operated at the same time. By controlling the operating lever 206, the connection locks between the second assembly part 3 and the first assembly part 4 can be released synchronously, making the disassembly between the walking aid part 2 and the wheelchair body 1 very convenient.

Regarding the relative positions of the second assembly portion 3 and the first assembly portion 4, the two can be arranged separately on the same walking aid split body 2. Preferably, the second assembly portion 3 is arranged above the first assembly portion 4. Of course, the number of the second assembly portions 3 and the first assembly portions 4 can also be increased to improve the assembly firmness of the auxiliary walking device installed on the wheelchair body 1.

It should be noted that after the auxiliary walking device is installed on the wheelchair body 1 through the second assembly part 3 and the first assembly part 4, a certain gap should be maintained between the bottom of the auxiliary walking device and the ground, so that when the wheelchair is moving, turning or moving backward, the bottom of the auxiliary walking device will not rub against the ground. When a universal wheel is installed at the bottom of the walking-assisting split body 2, the contact with the ground will not hinder the movement of the wheelchair; when there is no roller 208 at the bottom of the walking-assisting split body 2, after it is installed on the wheelchair body 1, if its bottom contacts the ground, it will affect the normal movement of the wheelchair.

Therefore, when the auxiliary walking device in use and supported on the ground is close to the wheelchair body 1, the second assembly part 3 and the first assembly part 4 located on the wheelchair body 1 should be slightly higher than the parts located on the walking-assisting part 2; for example, the positioning part 402 on the wheelchair body 1 should be slightly higher than the positioning matching part 414 on the walking-assisting part 2. By gently lifting the walking-assisting part 2 with both hands, the positioning part 402 and the positioning matching part 414 can be aligned, thereby completing the suction locking of the first assembly part 4, and then completing the hooking and fixing of the second assembly part 3.

The split-type auxiliary walking device adapted for a wheelchair described in this embodiment adopts a split structure for the auxiliary walking device that is detachably arranged on the wheelchair main body 1, so that it can be symmetrically placed on both sides of the wheelchair main body 1 without affecting the normal use of the wheelchair main body 1; when using the split-type auxiliary walking device adapted for a wheelchair, the first connecting component 5 can be conveniently used to assemble the two auxiliary walking parts 2 into one to form an auxiliary walking device, which is convenient for use in auxiliary walking exercises, thereby improving the adaptability of the auxiliary walking device for integrated assembly on the wheelchair.

Embodiment 2

The wheelchair equipped with an auxiliary walking device in this embodiment includes a wheelchair main body 1 and a walking-assisting separate body 2 which can be detached from the wheelchair main body 1. At the same time, a disassembly and assembly structure and a connection structure as described in the first embodiment are adopted between the wheelchair main body 1 and the walking-assisting separate body 2.

As shown in Figures 1 and 4 of the first embodiment, the walking-assisting part 2 has two supporting parts 205 symmetrically arranged, for example, they can be designed in the shape of armrests. When the walking-assisting part 2 is assembled on the wheelchair body 1, the two armrests are disposed on both sides of the upper part of the wheelchair body 1, and can support the two arms of the person sitting on the wheelchair body 1. The two armrests used for walking by the walking-assisting part 2 are located exactly at the armrest position of the wheelchair body 1 when the walking-assisting part 2 is assembled on the wheelchair body 1, thereby realizing the dual purpose of the walking-assisting part 2. This makes the design of the wheelchair equipped with the auxiliary walking device more scientific and the performance better.

In addition, as shown in FIG1 and in combination with FIG10 , the wheelchair equipped with an auxiliary walking device is equipped with good basic conditions for the expansion of its functions. For example, a monitoring device 8 can be installed on the supporting portion 205 of the walking-assisting part 2, so as to realize remote monitoring of the user of the walking-assisting part 2, such as position positioning, tipping alarm, video and audio information collection, etc. At the same time, a storage battery can be set on the wheelchair body 1. When the wheelchair is an electric wheelchair, the power battery of the wheelchair body 1 can be directly used; through the elastic protrusion 303 and the connection point 313 between the wheelchair body 1 and the walking-assisting part 2, the monitoring device 8 can be powered and charged, and the line communication between the detection device on the wheelchair body 1 and the monitoring device 8 can be realized.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. A wheelchair equipped with an auxiliary walking device, characterized by comprising: A wheelchair body (1) having a frame (100) that supports the entire wheelchair body (1); Two walking-assisting parts (2) which can be symmetrically arranged on the left and right sides of the wheelchair body (1), the walking-assisting parts (2) comprising a supporting part (200) and a supporting part (205) which is arranged above the supporting part (200) and is adjustable in height relative to the supporting part (200); At least one connecting component, one end of which is hinged or can be slidably mounted on one of the two walking-assisting parts (2), and the other end of which can be slidably mounted on the other of the two walking-assisting parts (2), thereby forming an integral connection between the two walking-assisting parts (2); A first assembly portion (4) is arranged between the frame (100) and the walking-assisting part (2), comprising a positioning portion (402) constructed on the frame (100) and a positioning matching portion (414) constructed on the walking-assisting part (2), wherein a locking mechanism is arranged in the positioning matching portion (414) and can be triggered by the entry of the positioning portion (402) to lock the positioning portion (402) in the positioning matching portion (414); and an operating device is arranged on the walking-assisting part (2) to unlock the locking mechanism; Magnetic material is provided in the positioning portion (402) and the positioning matching portion (414); when the positioning portion (402) is close to the positioning matching portion (414), the positioning portion (402) can be adsorbed into the positioning matching portion (414) due to magnetic force; The positioning matching portion (414) is a positioning groove constructed on the support portion (200) of the walking aid split body (2), and a trigger pin (420) is arranged at the bottom of the positioning groove, which can trigger the locking mechanism due to the pressing of the positioning portion (402); the positioning portion (402) is a protrusion constructed on the bonding platform (401) of the frame (100), and a neck groove (4020) is constructed at the connection portion between the positioning portion (402) and the bonding platform (401); the locking mechanism has a claw (411) that can be clamped in the neck groove (4020); A second assembly part (3) located above the first assembly part (4) is also provided between the walking-assisting part (2) and the frame (100); the second assembly part (3) comprises a fixed hook (301) constructed on the frame (100), and a movable hook (311) constructed on the walking-assisting part (2); the movable hook (311) is hinged on the walking-assisting part (2), and is provided with a tension spring (3112); the tension spring (3112) constitutes a pre-tightening force for the movable hook (311) to be hooked with the fixed hook (301); the operating device comprises a pull wire (207) connected to the clamping claw (411) and the movable hook (311), and an operating rod (206) capable of pulling the pull wire (207). 2. The wheelchair equipped with an auxiliary walking device according to claim 1 is characterized in that: the second assembly part (3) also includes a connecting part (302) arranged above the fixed hook (301), and a connecting matching part (312) corresponding to the connecting part (302) and arranged above the movable hook (311); a plurality of metal elastic protrusions (303) insulated from the frame (100) are arranged on the connecting part (302), and metal connecting points (313) insulated from the connecting matching part (312) and corresponding to the number of the elastic protrusions (303) are constructed on the connecting matching part (312); when the walking aid part (2) is assembled on the wheelchair body (1), the elastic protrusions (303) and the connecting points (313) can constitute electrical conduction between the auxiliary walking device and the wheelchair body (1). 3. The wheelchair equipped with an auxiliary walking device according to claim 1 is characterized in that: the connecting component includes a first connecting component (5) with connecting heads (501) constructed at both ends; the walking-assisting separate body (2) is constructed with a connecting groove (210) with an opening facing or obliquely upward; the connecting head (501) can slide into the connecting groove (210) from the opening to form a fixed connection between the two walking-assisting separate bodies (2). 4. A wheelchair equipped with an auxiliary walking device according to any one of claims 1 to 3, characterized in that: the connecting component includes a second connecting component (6); one end of the second connecting component (6) is hinged to one of the two walking-assisting parts (2), and the other end is constructed with a sliding end (602), and the sliding end (602) can slide into a transfer groove (221) provided on the other of the two walking-assisting parts (2). 5. The wheelchair equipped with an auxiliary walking device according to claim 4 is characterized in that: a locking device (603) is provided between the transfer groove (221) and the sliding end (602); and a storage groove (220) is provided on the walking aid split body (2) hinged to the second connecting component (6), and the second connecting component (6) can be rotatably stored in the storage groove (220). 6. The wheelchair equipped with an auxiliary walking device according to claim 4, characterized in that a telescopic part is provided on the connecting component, and the telescopic part can constitute the adjustment of the width distance between the two auxiliary walking parts (2).