CN211434012U

CN211434012U - Split type auxiliary walking device adaptive to wheelchair

Info

Publication number: CN211434012U
Application number: CN201921801118.9U
Authority: CN
Inventors: 陈爱玲; 张军
Original assignee: Hebei Chemical and Pharmaceutical College
Current assignee: Hebei Chemical and Pharmaceutical College
Priority date: 2019-10-24
Filing date: 2019-10-24
Publication date: 2020-09-08
Anticipated expiration: 2029-10-24

Abstract

The utility model provides a split type auxiliary walking device adaptive to a wheelchair, which is detachably arranged on a wheelchair main body. The device comprises two walking aid split bodies and at least one connecting component, wherein the two walking aid split bodies can be symmetrically arranged on the left side and the right side of a wheelchair main body. The walking aid split body is provided with a supporting part and a bearing part which is arranged above the supporting part and is adjustable in height relative to the supporting part; one end of the connecting component is hinged or can be assembled on one of the two walking aid split bodies in a sliding mode, and the other end of the connecting component can be assembled on the other of the two walking aid split bodies in a sliding mode, so that the two walking aid split bodies can be integrally connected. The utility model discloses a split type auxiliary traveling device who adapts to the wheelchair can promote the adaptability of auxiliary traveling device integrated assembly on the wheelchair.

Description

Split type auxiliary walking device adaptive to wheelchair

Technical Field

The utility model relates to the technical field of medical rehabilitation products, in particular to a split type auxiliary walking device adaptive to a wheelchair.

Background

In the prior art, in order to facilitate the people who use the wheelchair to do autonomous exercise and prevent muscular atrophy, most of the people need to use an auxiliary walking device, such as a crutch. The crutch has simple structure and convenient use, but is inconvenient to carry because of larger size, and is difficult for a user who takes a wheelchair to carry the crutch again.

The walking assisting device can assist a user with inconvenient legs and feet to walk and exercise through hand support, and the wheelchair is a tool for the user with the inconvenient legs and feet to ride instead of walk, and the walking assisting device and the wheelchair are often matched for use.

The existing wheelchair and the auxiliary walking device are produced separately and need to be carried separately, and for users of the wheelchair or the auxiliary walking device, the wheelchair and the auxiliary walking device are very difficult to carry at the same time and need to be frequently used; therefore, some wheelchairs are integrally equipped with a detachable auxiliary walking device. However, the connecting parts of the auxiliary walking device are generally transversely arranged above the front part of the wheelchair, which affects the normal use of the wheelchair or the placement of the feet on the foot rests, so that the development of the auxiliary walking device which is more suitable for being integrally assembled on the wheelchair is urgently needed.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention is directed to a split type auxiliary traveling device adapted to a wheelchair, so as to improve the adaptability of the integrated assembly of the auxiliary traveling device on the wheelchair.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

the utility model provides a split type auxiliary traveling device who adapts to wheelchair, is disposed in the wheelchair main part dismantled and assembled, includes:

the wheelchair comprises two wheelchair bodies and two walking aid split bodies, wherein the two walking aid split bodies can be symmetrically arranged at the left side and the right side of the wheelchair body and are provided with supporting parts and supporting parts which are arranged above the supporting parts in a height-adjustable manner relative to the supporting parts;

and one end of the connecting part is hinged or can be assembled on one of the two walking aid split bodies in a sliding mode, and the other end of the connecting part can be assembled on the other of the two walking aid split bodies in a sliding mode, so that the two walking aid split bodies can be integrally connected.

Further, the connecting part is arranged between the two supporting parts of the split auxiliary walking device.

Further, the connecting part comprises a first connecting part with connecting heads at two ends; the walking aid split body is provided with a connecting groove with an opening facing or obliquely upward; the connector can slide into the connecting groove from the opening to form the detachable connection between the two walking aid split bodies.

Further, the connecting member includes a second connecting member; one end of the second connecting component is hinged to one of the two walking aid split bodies, the other end of the second connecting component is provided with a sliding-in end, and the sliding-in end can slide into a rotating groove formed in the other of the two walking aid split bodies.

Furthermore, a locking device is arranged between the turning groove and the sliding-in end.

Furthermore, a containing groove is formed in the walking aid split body hinged with the second connecting part, and the second connecting part can be rotatably contained in the containing groove.

Furthermore, a telescopic part is arranged on the connecting part, and the telescopic part can form the width adjustment of the split type auxiliary walking device.

Furthermore, the telescopic part comprises a telescopic rod, a telescopic rod piston arranged on the telescopic rod, a telescopic cavity body sleeved outside the telescopic rod and the telescopic rod piston, and a telescopic rod accommodating body sleeved at the free end of the telescopic rod and connected to the telescopic cavity body; a sliding cavity is formed inside the telescopic cavity, liquid is filled in the sliding cavity, and a through hole is formed in the piston of the telescopic rod; when the telescopic rod is stretched in the telescopic cavity, the liquid on two sides of the piston of the telescopic rod flows through the through hole.

Furthermore, a plurality of telescopic locking devices are arranged between the free end of the telescopic rod and the inner wall of the telescopic rod accommodating body, and the telescopic locking devices are uniformly distributed at intervals along the telescopic direction of the telescopic part.

Furthermore, the bearing part is hinged to the top end of the supporting part through a ratchet shaft, a ratchet is arranged on the ratchet shaft, and the rotation and locking of the ratchet form the angle adjustment between the bearing part and the supporting part, so that the height of the bearing part relative to the supporting part is adjustable.

Compared with the prior art, the utility model discloses following advantage has:

the split auxiliary walking device adapted to the wheelchair of the utility model adopts the split structure for the detachable auxiliary walking device arranged on the wheelchair main body, so that the auxiliary walking device can be symmetrically arranged on the two sides of the wheelchair main body, and the normal use of the wheelchair can not be influenced; when the split auxiliary walking device adaptive to the wheelchair is used, the two walking aids can be assembled into a whole by adopting the connecting part conveniently to form the auxiliary walking device, so that the walking aids can be conveniently used for exercising, and the adaptability of the integrated assembly of the auxiliary walking device on the wheelchair can be improved. The two connecting grooves for assembling the first connecting part are arranged on the side wall facing or obliquely upwards, so that the first connecting part can be well connected between the two walking aid split bodies due to gravity, and the possibility of falling off of the first connecting part is reduced.

Meanwhile, the second connecting part is connected between the two walking aid split bodies, so that the overall firmness of the auxiliary walking device is improved, and the service performance of the auxiliary walking device is improved. And the assembly form of hinging and rotating sliding-in is adopted, and a locking device is additionally arranged, so that the connection and assembly operation of the second connecting part is convenient, and the condition that the sliding-in end is separated can be effectively reduced.

In addition, in order to solve the problem that the width of the wheelchair is inconsistent with the width of the split type auxiliary walking device which is adapted to the wheelchair when in use, the first connecting part and the second connecting part are provided with the telescopic parts, so that when the auxiliary walking device is assembled on the wheelchair, the supporting parts of the auxiliary walking device can be used as the armrests of the wheelchair; when the device needs to be detached for walking aid, the first connecting part is assembled on the wheelchair, the second connecting part is assembled after the device is detached, and then the width of the device is adjusted according to the width condition of the device, so that the device has better use effect. The telescopic part adopts a liquid damping telescopic structure, so that the width adjustment of the device has better operation performance. And set up a plurality of flexible locking means at interval equipartition ground, can form the location locking of certain dynamics on the different flexible positions of flexible portion to make the width control performance of device better.

In addition, an adjusting structure is arranged between the supporting part and the supporting part, so that the use height of the supporting part can be adjusted, and the split type auxiliary walking device which is adapted to the wheelchair is beneficial to improving the use performance under different use states.

Drawings

The accompanying drawings, which form a part of the present disclosure, are provided to provide a further understanding of the present disclosure, and the exemplary embodiments and descriptions thereof are provided to explain the present disclosure, wherein the related terms in the front, back, up, down, and the like are only used to represent relative positional relationships, and do not constitute an undue limitation of the present disclosure. In the drawings:

fig. 1 is a schematic view of an overall three-dimensional structure of an auxiliary walking device and a wheelchair main body which are assembled into a whole according to a first embodiment of the present invention;

fig. 2 is a schematic perspective view of a wheelchair main body according to a first embodiment of the present invention;

fig. 3 is a schematic perspective view of a walking aid according to a first embodiment of the present invention;

FIG. 4 is an assembly view of the walking aid split bodies connected by the first connecting part and the second connecting part to form the walking aid according to the first embodiment of the present invention;

fig. 5 is a schematic cross-sectional view illustrating a first connecting component according to a first embodiment of the present invention;

fig. 6 is a schematic cross-sectional view illustrating a second connecting member according to a first embodiment of the present invention;

FIG. 7 is an enlarged view of a portion of FIG. 1 at A;

FIG. 8 is a cross-sectional view of the area indicated by B-B in FIG. 7;

FIG. 9 is a schematic cross-sectional view taken along line C-C of FIG. 8;

FIG. 10 is a schematic view of a partial structure of a supporting portion of the walking aid split body with a monitoring device according to an embodiment of the present invention;

fig. 11 is a schematic perspective view of a walking assisting device according to a second embodiment of the present invention;

description of reference numerals:

1-wheelchair main body, 100-frame, 101-cushion, 102-backrest, 103-pushing handle, 104-main wheel, 105-auxiliary wheel, 106-folding connecting rod, 107-foot rest and 108-foot rest shaft;

2-walking aid split body, 200-supporting part, 201-foot beam, 202-oblique beam, 203-ratchet shaft, 204-ratchet, 2040-ratchet rod, 205-bearing part, 206-operating rod, 207-pull wire, 208-roller, 210-connecting groove, 220-accommodating groove and 221-turning-in groove;

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

4-a first assembly part, 401-a lamination station; 402-positioning part, 4020-neck groove, 410-first assembling seat, 411-jaw, 412-jaw rotating shaft, 413-jaw tension spring, 414-positioning groove, 420-trigger pin, 421-trigger plate, 422-trigger plate shaft, 430-bearing plate, 431-bearing plate shaft, 432-bearing block and 433-spring seat;

5-first connecting part, 501-connector;

6-a second connecting part, 600-a connecting rod rotating shaft, 601-a rotating end, 602-a sliding end, 603-a locking device, 604-a hinge ball and 605-a hinge seat;

701-a telescopic rod, 7011-a telescopic locking device, 702-a telescopic rod piston, 703-a via hole, 704-a telescopic cavity, 705-a telescopic rod accommodating body, 7050-a sealing ring and 7051-a positioning groove;

8-a monitoring device.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, terms of left, right, up, down, and the like are used for convenience of description and are based on terms in the illustrated state, and should not be construed as limiting the structure of the present invention; references to first, second, third, etc. are also made for ease of description and are not to be construed as indicating or implying relative importance. In the embodiment of the present invention, the walking aid means a device for assisting a user to walk and exercise, which may be a walking stick, a frame-type walking aid, or the like, a device with a roller, or a device without a roller.

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

Example one

The embodiment relates to a split type auxiliary walking device adaptive to a wheelchair, which can improve the adaptability of the integrated assembly of the auxiliary walking device on a wheelchair main body. The split auxiliary walking device adaptive to the wheelchair is detachably arranged on a wheelchair main body and comprises two walking aid split bodies which can be symmetrically arranged at the left side and the right side of the wheelchair main body, wherein each walking aid split body is provided with a supporting part and a bearing part which is arranged above the supporting part in a height-adjustable manner relative to the supporting part, and the bearing part can be used by a user in a hand-held manner; the device also comprises at least one connecting part, one end of the connecting part is hinged or can be assembled on one of the two walking aid split bodies in a sliding mode, the other end of the connecting part can be assembled on the other of the two walking aid split bodies in a sliding mode, and the two walking aid split bodies can be integrally connected to form the auxiliary walking device.

Based on the above general structural principle, the present embodiment adopts the following exemplary structural description to illustrate the technical solution of the present invention and the implementation manner thereof.

As shown in fig. 1, a detachable structure is provided between the auxiliary traveling apparatus and the wheelchair to facilitate the detachment of the auxiliary traveling apparatus and the wheelchair. Preferably, the detachable structure is provided between the frame 100 of the wheelchair main body 1 and the support portion 200 of the walk assist split body 2, and only the first fitting portion 4 may be provided, or both the second fitting portion 3 and the first fitting portion 4 may be provided.

It should be noted that the wheelchair main body 1 may be a general hand-push type wheelchair or an electric wheelchair, and the detachable structure is also applicable to a foldable wheelchair, and when it is necessary to fold the wheelchair, the auxiliary traveling device is detached first and then the wheelchair main body 1 is folded.

Fig. 2 shows a general overall structure of a wheelchair main body 1, which includes a seat cushion 101 on which a person sits, and a backrest 102 on which a person rests; the push handle 103 is used for being pushed by a caregiver, and the main wheel 104 and the auxiliary wheel 105 are used for walking and rolling; the folding link 106 is folded up when folding the wheelchair main body 1, and the middle cushion 101 is folded therein. Here, the foldable wheel seat 101 should be made of cloth, fiber fabric, etc. for easy folding. In addition, the footrest 107 is used for placing both feet of the occupant, and the footrest shaft 108 is used for rotating and retracting the footrest 107 to facilitate folding of the wheelchair main body 1.

As shown in fig. 1 in combination with fig. 2 and 3, the second fitting portion 3 and the first fitting portion 4 are provided between a frame 100, which is a main portion connecting components of the wheelchair main body 1, and a support portion 200, which is a main portion of the auxiliary traveling apparatus.

Fig. 3 shows a split auxiliary walking device, which is assembled on the wheelchair main body 1 by two walking aid split bodies 2 symmetrically, and when the device is used for assisting, as shown in fig. 4, the device can be connected into a whole by a first connecting part 5 and a second connecting part 6, so that the device does not affect the normal use of the wheelchair main body 1 when the device is assembled on the wheelchair main body 1. The two walking aid split bodies 2 connected into a whole form a complete auxiliary walking device.

In the present embodiment, the walking aid sub-body 2 includes a supporting portion 205 and a supporting portion 200, and the supporting portion 200 may be designed in a frame form or a pole form. In this embodiment, a vertical rod is used, a foot beam 201 is connected below the vertical rod, and an oblique beam 202 connected between the vertical rod and the foot beam 201 can be further provided. In order to increase the moving convenience of the walking aid split body 2, the lower part of the foot beam 201 can be provided with a roller 208. The support portion 205 is supported above the support portion 200 for support of the body hand or arms, and may be configured in the form of an armrest.

In order to meet different height requirements, as shown in fig. 4, the supporting part 205 and the supporting part 200 of the walking aid split body 2 can be connected by a ratchet shaft 203, and a ratchet 204 is arranged; other adjusting structures can be adopted, so that the height of the supporting part 205 can be adjusted, and the use performance of the split auxiliary walking device under different use states can be improved. In this embodiment, as a preferable scheme, the supporting part 205 can be hinged to the top end of the supporting part 200 through the ratchet shaft 203, the ratchet 204 is arranged on the ratchet shaft 203, an elastic member is additionally arranged between the ratchet 204 and the supporting part 205 or the supporting part 200, and the locking block is driven by the elastic member to form a rotation locking to the rotation of the ratchet 204. At the same time, a ratchet rod 2040 is provided on the support 205, the ratchet rod 2040 forming a release of the rotational locking in the operating state.

In this embodiment, as shown in fig. 3 and 4, the split auxiliary walking device adapted to the wheelchair includes two walking aid split bodies 2 symmetrically arranged at the left and right sides of the wheelchair main body 1, wherein the walking aid split bodies 2 have a supporting portion 205 for a user to hold and a supporting portion 200 supported below the supporting portion 205; the connecting device further comprises a first connecting component 5, wherein two ends of the first connecting component 5 are provided with connecting heads 501; the supporting portion 200 is formed with a connecting groove 210, and the connecting head 501 can be slidably fitted into the connecting groove 210, so that the first connecting part 5 connects the two walking aid sub-bodies 2 into a whole.

As shown in fig. 4 and 5, in order to reduce the possibility of the first link member 5 falling off, the upper half of the support portion 200 is curved, and the link groove 210 is opened in the side wall of the support portion 200 on the outer side of the arc obliquely upward. The two coupling grooves 210 to which the first coupling part 5 is fitted are provided on the side wall above the inclined surface so that the first coupling part 5 is well coupled between the two walking aid separate bodies 2 by gravity.

It should be noted that the shape of the connecting head 501 may be selected from a variety of shapes, such as a "T" shape, a wedge shape or other shapes, so that the connecting head 501 cannot be pulled out along the length direction of the first connecting part 5 after sliding into the connecting slot 210, and the rotation of the walker body 2 relative to the connecting head 501 can be limited.

The first connecting member 5 which can be removed as a whole can be placed on the wheelchair, or a receiving portion for placing the first connecting member 5 which can be removed can be formed on one of the wheelchair main body 1 and the walking assist separate body 2.

As shown in fig. 4 in combination with fig. 5 and 6, the split auxiliary walking device for wheelchair further comprises a second connecting part 6 arranged between the two walking aid splits 2; one end of the second connecting member 6 is hinged to one of the two support portions 200, and the other end of the second connecting member 6 is a T-shaped slide-in end 602, and the slide-in end 602 can slide into the turning groove 221 formed in the other of the two support portions 200. Meanwhile, the second connecting part 6 is connected between the two walking aid split bodies 2, so that the overall firmness of the auxiliary walking device is improved, and the service performance of the auxiliary walking device is improved.

It should be noted that the T-shaped end of the connector 501 and the sliding-in end 602 is only one of the assembling forms, and other shapes and structures convenient to slide in and out can be adopted; when the T-shaped structure is adopted, each side edge of the end part can be provided with a chamfer angle of an arc surface so as to be convenient for assembly and avoid possible scratching to human bodies.

In order to facilitate the connecting and assembling operation of the second connecting member 6 and effectively reduce the slipping-in end 602, as shown in fig. 6, a locking device 603 is provided between the turning-in slot 221 and the slipping-in end 602, for example, a positioning pin that can be elastically pressed in and ejected out is used to fit into a positioning groove. Obviously, the positioning pin can be disposed on the slide-in end 602, and the corresponding positioning groove can be disposed on the inner wall of the rotation-into-slot 221, and the positions of the two can be interchanged.

In order to facilitate storage when the second link member 6 is not used, as shown in fig. 3 and fig. 6, a foot beam 201 is provided at a lower portion of the support portion 200, a storage groove 220 is opened in the foot beam 201 on the same side as the rotation end 601 of the second link member 6, and the second link member 6 is rotatably stored in the storage groove 220.

In order to solve the problem that the width of the wheelchair main body 1 is not consistent with the width of a split type auxiliary walking device adapted to the wheelchair when in use, the first connecting part 5 and the second connecting part 6 are provided with telescopic parts, so that the supporting part 205 of the auxiliary walking device can be used as the supporting part of the wheelchair main body 1 when the auxiliary walking device is assembled on the wheelchair main body 1; when the device needs to be detached for walking aid, the wheelchair can be seated on the wheelchair main body 1, the first connecting part 5 is assembled, the second connecting part 6 is assembled after the device is detached, and then the width of the device is adjusted according to the width condition of use, so that the using effect of the device is better. The middle parts of the first connecting part 5 and the second connecting part 6 are both provided with a telescopic part which can form the width adjustment of the split type auxiliary walking device adapted to the wheelchair.

Specifically, as shown in fig. 5 and fig. 6, the telescopic portion includes a telescopic rod 701, a telescopic rod piston 702 disposed 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 accommodating 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, liquid is filled in the sliding cavity, and a through hole 703 is formed in the telescopic rod piston 702; when the telescopic rod 701 is extended and retracted in the telescopic cavity 704, the liquid on both sides of the telescopic rod piston 702 flows through the through hole 703. The adoption of the liquid damping telescopic structure can ensure that the width adjustment of the device has better operation performance.

As shown in fig. 6, the second connecting member 6 is hinged to the supporting portion 200 of the walking aid split body 2 through a connecting rod rotating shaft 600, the free end of the telescopic portion, i.e. the right end in the figure, is inserted into the telescopic rod accommodating body 705, and a sealing ring 7050 is arranged between the two to prevent the liquid in the telescopic cavity 704 from overflowing to the telescopic rod accommodating body 705. The liquid may be hydraulic oil, lubricating oil, or the like.

For the location locking of forming certain dynamics on the different flexible positions of pars contractilis to make the width control performance of device better, be provided with a plurality of flexible locking means 7011 between the inner wall of the body 705 is acceptd to the free end of telescopic link 701 and telescopic link, each flexible locking means 7011 is along the flexible direction interval equipartition of pars contractilis. Similarly, the retractable locking device 7011 may also be configured as a detent pin that engages a detent recess, or other detent locking structures. The positioning pins of the retractable locking device 7011 can be disposed on the retractable rod 701, and the corresponding positioning grooves 7051 can be disposed on the inner wall of the retractable rod housing 705, although the positions of the two can be interchanged.

As shown in fig. 1 and 4, the walking aid device is composed of two separate walking aid components 2 and has two symmetrically arranged supporting parts 205, when the walking aid components 2 are assembled on the wheelchair main body 1, the two supporting parts 205 are respectively arranged at two sides of the upper part of the wheelchair main body 1, so that the two arms of the human body sitting on the wheelchair main body 1 can be supported. The two supporting parts 205 for the walking aid split body 2 to help the walking aid are just positioned at the supporting parts of the wheelchair main body 1 when the walking aid split body 2 is assembled on the wheelchair main body 1, thereby realizing the dual purposes of the walking aid split body 2. The design of the wheelchair integrated with the walking aid split body is more scientific, and the performance is better.

In addition, as shown in fig. 1 in combination with fig. 10, the wheelchair integrated with the auxiliary walking device provides a good foundation for the expansion of the functions thereof. For example, the monitoring device 8 can be additionally arranged on the supporting part 205 of the walking aid split body 2, so that remote monitoring of a user of the walking aid split body 2, such as position positioning, toppling alarm, video and audio information acquisition and the like, can be realized. Meanwhile, a storage battery can be arranged on the wheelchair main body 1, and when the wheelchair is an electric wheelchair, the power battery of the wheelchair main body 1 can be directly used; the power supply and charging of the monitoring device 8 and the line communication between the detection device on the wheelchair main body 1 and the monitoring device 8 can be realized through the elastic bulge 303 and the communication point 313 between the wheelchair main body 1 and the walking aid split body 2.

The structure of the first fitting portion 4 and the second fitting portion 3 described above is described in detail as follows.

As shown in fig. 7 in combination with fig. 8 and 9, the first assembling portion 4 includes a positioning portion 402 formed on the frame 100 and a positioning groove 414 formed on the supporting portion 200; a trigger pin 420 is arranged at the bottom of the positioning groove 414, and a locking mechanism is arranged in the supporting part 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 which can release the locking is arranged on the walking aid split body 2.

In order to make the assembly, guiding and positioning of the walking aid components 2 on the wheelchair main body 1 more convenient, and further improve the convenience of the assembly operation of the walking aid components 2 on the wheelchair main body 1, one of the positioning part 402 and the positioning groove 414 can adopt a magnet, and the other is made of steel or iron; when the positioning portion 402 approaches the positioning groove 414, the positioning portion 402 may be sucked into the positioning groove 414 due to the magnetic force.

The shape of the positioning portion 402 and the positioning groove 414 are matched with each other, and the shape of the positioning portion 402 and the positioning groove 414 can be selected in various forms, so that the positioning portion 402 can slide into the positioning groove 414 smoothly. Preferably, in the present embodiment, the positioning portion 402 is in the shape of a segment of cone, i.e. the side surface thereof is a conical surface.

In order to realize good locking of the wheelchair main body 1 and the walking aid body 2, as a preferable form, the positioning part 402 is configured on the attaching table 401 of the frame 100, and a neck groove 4020 is configured at a connecting part of the positioning part 402 and the attaching table 401; the locking mechanism comprises a claw 411 which can be clamped in the neck groove 4020, and a bearing plate 430 acting on the claw 411; the claws 411 are hinged on the supporting part 200 and can be separated from the neck groove 4020 due to the lifting of the supporting plate 430; the triggered trigger pin 420 may be driven to act on the support plate 430, which may constitute a lift relief, such that the pawl 411 may be engaged in the neck recess 4020 by the pawl spring 413. The neck groove 4020 is arranged on the positioning part 402, the wheelchair main body 1 and the walking aid split body 2 are tightly clamped and connected through the clamping jaws 411 on the walking aid split body 2, the clamping jaws 411 can be in a standby state by lifting the supporting plate 430, and when the trigger pin 420 is pressed and triggered, the locking mechanism can be automatically locked, so that the structure is simple and ingenious, and the wheelchair walking aid is good in technical implementation.

Specifically, as shown in fig. 8 and 9, when the walker combination 2 approaches the mounting position on the wheelchair main body 1, the positioning portion 402 is first sucked into the positioning groove 414 by magnetic force, the trigger pin 420 in the standby state is pushed out of the bottom surface of the positioning groove 414 by the spring seat 433, and at this time, the positioning portion 402 is pushed to retract into the first mounting 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 pulls the support plate 430 to rotate around the support plate shaft 431, and drives the support block 432 integrally and fixedly connected with the support plate 430 to move below the jaws 411. When the bearing block 432 originally supporting the jaw 411 leaves the supporting position, the jaw 411 rotates under the pulling force of the jaw tension spring 413, so that the semicircular forked end of the jaw 411 is clamped into the neck groove 4020 of the positioning part 402, and the walking aid split body 2 is locked on the wheelchair main body 1.

It should be noted that the form of the locking structure is only an example, and other forms of locking structures may be adopted according to the design principle of the present invention.

In order to further enhance the assembly firmness of the walking aid components 2 on the wheelchair main body 1, a second assembly part 3 is further arranged between the auxiliary walking device and the wheelchair of the embodiment, as shown in fig. 3 and 8, the second assembly part 3 comprises 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 supporting part 200 and is provided with a tension spring 3112; the tension spring 3112 forms a pretightening force for hooking the movable hook 311 and the fixed hook 301. Specifically, a second assembling seat 310 is configured on the supporting portion 200, and a movable hook 311 is disposed in the second assembling seat 310 and is hinged in a hollow cavity of the supporting portion 200 through a movable hook rotating shaft 3110 fixedly connected with the second assembling seat 310; further, a link plate 3111 is connected to the left end of the movable hook shaft 3110 to facilitate the operation of rotating the movable hook 311 off the hook. Obviously, when the walking aid sub-body 2 needs to be removed, the movable hook 311 can be operated to be disengaged, and a separate operation device or the same operation device shared with the claw 411 can be arranged for convenient operation.

In order to provide good conditions for the function expansion of the wheelchair main body 1 or the walk assist split body 2, as shown in fig. 2 and 8, the second mounting portion 3 further includes a communicating portion 302 provided above the stationary hook 301 and a communicating engagement portion 312 provided above the movable hook 311 in correspondence with the communicating portion 302; a plurality of metal elastic bulges 303 insulated from the frame 100 are arranged on the communication part 302, and metal communication points 313 insulated from the support part 200 and corresponding to the number of the elastic bulges 303 are constructed on the communication matching part 312; when the walking aid components 2 are assembled on the wheelchair main body 1, the elastic protrusions 303 and the communication points 313 can form electric communication between the walking aid components 2 and the wheelchair main body 1. The mechanism for electric communication is arranged between the wheelchair main body 1 and the walking aid split body 2, so that the assembly can be completed while the circuit communication between the wheelchair main body 1 and the walking aid split body 2 is formed, and the arrangement of electric elements, intelligent equipment and the like on the wheelchair main body 1 and the walking aid split body 2 is facilitated.

There are many alternatives to the above-described operating device; however, due to the arrangement of the rollers 208 on the walking aid sub-body 2, the walking aid sub-body 2 is generally provided with the operating rod 206, the operating rod 206 is generally arranged below the supporting portion 205, is hinged on the supporting portion 205 through a rotating shaft, and is provided with the pull wire 207 to form a brake for each roller 208. Based on the arrangement of the wire 207, in the present embodiment, the operation device is implemented using the operation lever 206 and the wire 207. As shown in fig. 8, the left end of the claw 411 is connected to the wire 207, and the end of the connection plate 3111 is simultaneously connected to the wire 207; when the operating lever 206 is operated, the second fitting portion 3 and the first fitting portion 4 can be unlocked simultaneously. The pulling wire 207 is used as an operation connecting piece, the claw 411 and the movable hook 311 can be operated at the same time, the connection and locking of the second assembling part 3 and the first assembling part 4 can be released synchronously by controlling the operation rod 206, and the walking aid split body 2 and the wheelchair main body 1 can be detached very conveniently.

Regarding the relative positions of the second fitting part 3 and the first fitting part 4, the two parts may be spaced apart from each other on the same walker body 2, and the second fitting part 3 is preferably disposed above the first fitting part 4. Of course, the number of the second assembling portions 3 and the first assembling portions 4 may be increased to improve the assembling firmness of the auxiliary traveling apparatus mounted on the wheelchair main body 1.

Here, after the auxiliary traveling apparatus is attached to the wheelchair main body 1 by the second attachment portion 3 and the first attachment portion 4, a certain gap should be maintained between the lowermost end of the auxiliary traveling apparatus and the ground so that the bottom of the auxiliary traveling apparatus does not frictionally contact the ground when the wheelchair is traveling, turning, or retreating. When the universal wheels are arranged at the bottom of the walking aid split body 2, the wheelchair can not be hindered from moving due to the contact with the ground; when the walking aid components 2 are not provided with the rollers 208 at the bottom, after the walking aid components are arranged on the wheelchair main body 1, if the bottom of the walking aid components is in contact with the ground, the normal movement of the wheelchair is affected.

Therefore, when the auxiliary walking device which is supported on the ground in the use state is close to the wheelchair main body 1, the parts of the second assembling portion 3 and the first assembling portion 4 which are positioned on the wheelchair main body 1 are slightly higher than the parts which are positioned on the walking aid split bodies 2; for example, the positioning part 402 of the wheelchair main body 1 is slightly higher than the positioning engagement part 414 of the walker body 2. The positioning part 402 and the positioning matching part 414 can be aligned by slightly lifting the walking aid split body 2 with two hands, so that the first assembling part 4 is sucked and locked, and the second assembling part 3 is hooked and fixedly connected.

The split auxiliary walking device adapted to the wheelchair described in this embodiment adopts a split structure for the detachable auxiliary walking device arranged on the wheelchair main body 1, so that the auxiliary walking device can be symmetrically arranged on both sides of the wheelchair main body 1, and the normal use of the wheelchair main body 1 is not affected; when the split auxiliary walking device adaptive to the wheelchair is used, the first connecting part 5 can be conveniently adopted to assemble the two walking aid split bodies 2 into a whole to form the auxiliary walking device, so that the walking aid is convenient to use for walking aid exercise, and the adaptability of the integrated assembly of the auxiliary walking device on the wheelchair can be improved.

Example two

This embodiment shows another form of a split walker adapted to a wheelchair. Similarly, the wheelchair main body 1 and the auxiliary traveling device may be detachably attached to each other as described in the first embodiment.

As shown in figure 11, the split auxiliary walking device adopts a frame structure, the supporting parts 200 of the two walking aid split bodies 2 are similar to an H-shaped frame, the supporting parts 205 can be inserted into the vertical rods of the supporting parts 200 in a vertically adjustable guiding manner, so that the height adjustment of the auxiliary walking device can be realized, in order to realize the locking of the adjusting position, locking parts can be arranged in the inner cavities of the guide rods of the supporting parts 205 and the vertical rods of the supporting parts 200, and the locking can be released by operating the operating rods 206 arranged at the lower parts of the supporting parts 205 and pulling the pull wires 207.

Obviously, as in the first embodiment, the pull wire 207 can also be used for unlocking the second fitting part 3 and the first fitting part 4 at the same time.

In the present embodiment, as shown in fig. 11, two second connecting members 6 are used to connect two walker components 2; of course, it is also possible to use the first connecting part 5 instead of one or both of the two second connecting parts 6. Preferably, the configuration shown in the figures is employed. As shown, one end of the second connecting member 6 on the bearing portion 205 is mounted on a walker body 2 in a manner similar to a universal joint articulation, for example, by a spherical articulation ball 604 nested within an articulation seat 605. Wherein the hinge seat 605 is installed in the receiving groove 220 opened at the upper portion of the support portion 205, facilitating the assembly of the hinge ball 604 and the hinge seat 605.

When the auxiliary walking device is assembled on the wheelchair body 1, the upper second connecting part 6 is accommodated in the accommodating groove 220 on the supporting part 205, when the device is needed to help walking, the upper second connecting part 6 can be firstly turned upwards, and when the device is vertical, the device can be turned to reach the position transversely arranged in front of the human body, so that the connection of the two walking aid components 2 is realized. With such an arrangement, the upper second connecting member 6 can be easily accommodated, and the user can easily sit on the wheelchair main body 1 for operation.

When the second connecting member 6 is connected, the user can unlock the second fitting portion 3 and the first fitting portion 4 by pinching the pulling wire 207, and the auxiliary traveling apparatus is fitted to be separated from the wheelchair body 1. And thereafter operatively connected to the second connecting part 6 located below.

It should be noted that, in the present embodiment, the first connecting component 5 or the second connecting component 6 may also be provided with the expansion portion as described in the first embodiment, and the technical scheme of the arrangement is the same as that in the first embodiment, and is not described again here.

In addition, for improving the moving stability of the assembly of the auxiliary walking device and reducing the moving action of a user to the device, a plurality of rollers 208 can be arranged below the device, so that the stable rolling movement of the auxiliary walking device is realized, and the using effect of the device is improved.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an adaptation is in split type auxiliary traveling device of wheelchair, is disposed on wheelchair main part (1) dismantled and assembled, its characterized in that includes:

two walking aid split bodies (2) which can be symmetrically arranged at the left side and the right side of the wheelchair main body (1), wherein the walking aid split bodies (2) are provided with 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);

and one end of the connecting part is hinged or can be assembled on one of the two walking aid split bodies (2) in a sliding mode, and the other end of the connecting part can be assembled on the other of the two walking aid split bodies (2) in a sliding mode, so that the two walking aid split bodies (2) can be integrally connected.

2. The split auxiliary walking device adapted to a wheelchair of claim 1, wherein: the connecting part is arranged between the two supporting parts (200) of the split auxiliary walking device.

3. The split auxiliary walking device adapted to a wheelchair of claim 1, wherein: the connecting part comprises a first connecting part (5) with connecting heads (501) at two ends; the walking aid split body (2) is provided with a connecting groove (210) with an opening facing or inclining upwards; the connector (501) can slide into the connecting groove (210) from the opening to form a detachable connection between the two walking aid split bodies (2).

4. The split auxiliary walking device adapted to a wheelchair of claim 1, wherein: the connecting part comprises a second connecting part (6); one end of the second connecting component (6) is hinged to one of the two walking aid split bodies (2), the other end of the second connecting component is provided with a sliding end (602), and the sliding end (602) can slide into a turning groove (221) formed in the other of the two walking aid split bodies (2).

5. The split auxiliary walking device adapted to a wheelchair of claim 4, wherein: and a locking device (603) is arranged between the turning groove (221) and the sliding-in end (602).

6. The split auxiliary walking device adapted to a wheelchair of claim 5, wherein: the walking aid split body (2) hinged with the second connecting part (6) is provided with a storage groove (220), and the second connecting part (6) can be rotatably stored in the storage groove (220).

7. The split auxiliary traveling apparatus adapted to a wheelchair according to any one of claims 1 to 6, wherein: and the connecting part is provided with a telescopic part which can form the width adjustment of the split type auxiliary walking device.

8. The split auxiliary walking device adapted to a wheelchair of claim 7, wherein: the telescopic part comprises 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 accommodating 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), liquid is filled in the sliding cavity, and a through hole (703) is formed in the telescopic rod piston (702); when the telescopic rod (701) is telescopic in the telescopic cavity (704), the liquid on both sides of the telescopic rod piston (702) flows through the through hole (703).

9. The split auxiliary walking device adapted to a wheelchair of claim 8, wherein: 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 accommodating body (705), and the telescopic locking devices (7011) are uniformly distributed at intervals along the telescopic direction of the telescopic part.

10. The split auxiliary walking device adapted to a wheelchair of claim 1, wherein: the supporting part (205) is hinged to the top end of the supporting part (200) through a ratchet shaft (203), a ratchet wheel (204) is arranged on the ratchet shaft (203), and the rotation and locking of the ratchet wheel (204) form angle adjustment between the supporting part (205) and the supporting part (200), so that the height of the supporting part (205) relative to the supporting part (200) is adjustable.