TWI587853B - Walker combined with wheel chair - Google Patents

Description

Wheelchair walker structure

The present invention relates to a walker structure, and more particularly to a walker structure that can be coupled to a wheelchair.

For those who are older or who are slow due to illness or disability, they can usually travel by wheelchair. However, if they wish to walk by themselves, they need other people to help or use the walker. This is quite inconvenient. .

The Republic of China Patent No. I442916 discloses a wheelchair structure comprising a wheelchair body and a walker. The walker is coupled to the wheelchair body with a connecting rod connecting the support structures on both sides of the walker, but the connecting rod cannot be completely disassembled, that is, the help The support structure on both sides of the walker will not be completely separated, which will affect the operation of the wheelchair. In addition, since the support structure on both sides of the walker is only connected by the above connecting rod, the walker is easy to be sheared by the horizontal direction during operation. The force is open, there are insufficient doubts about stability and safety, and it is not conducive to the occupant's upper and lower wheelchairs when used. The connecting rod can be folded but cannot be separated, and the user needs to completely remove the walking aid. In order to get in and out of the wheelchair, it is quite inconvenient. If you add a crossbar to the bottom of the support, it will affect the combination of the walker and the wheelchair, as well as the comfort of the user in the lower position and the inconvenience of the separation (the feet must be displaced). Therefore, the square-shaped walker structure of I442916 is not conducive to the combination with the wheelchair.

In view of the above, an object of the present invention is to provide a walker that can be coupled to a wheelchair, so that a person using a wheelchair needs to walk from a wheelchair when walking, and the support structures on both sides of the walker can be completely separated. It does not affect the operation of the wheelchair itself, and it is convenient for the occupant to get on and off the wheelchair. In addition, when the support structures on both sides of the walker are combined, there are at least two connecting structures connecting the support structures on both sides, so that the walker is quite stable in use. Sex and safety. The design of the Walker structure of the L-shaped combination completely avoids the disadvantages of the above I442916, and both the supportability, the usability and the feasibility of the wheelchair combination.

An embodiment of the wheelchair-assisted walker structure of the present invention is detachably coupled to a wheelchair having a body and two wheels, the body having a first side and a second side, The wheel is pivotally disposed on the first side and the second side, respectively. The wheelchair-assisted walker structure includes a first support structure and a second support structure. The first supporting structure includes a first leg portion, a first supporting portion, a first grip portion, a first upper connecting portion and a first lower connecting portion, the first supporting portion is connected to the first stand And the first grip portion, the first upper joint portion is pivotally disposed on the first grip portion, the first lower joint portion is rotatably disposed at the first tripod portion; the second support structure a second leg portion, a second support portion, a second grip portion, a second upper connecting portion and a second lower connecting portion, the second supporting portion connecting the second leg portion and the first portion a second grip portion pivotally disposed on the second grip portion, the second lower joint portion being rotatably pivotally disposed on the second base portion, wherein the second upper joint portion The first upper coupling portion may be coupled or separated from the first lower coupling portion, and the second lower coupling portion may be coupled or separated from the first lower coupling portion, wherein the first upper coupling portion is coupled to the second upper coupling portion and the The first lower coupling portion is coupled to the second lower coupling portion to couple the first supporting structure to the second supporting structure, when the first supporting structure And said second support structure when bound to the wheelchair, the support structure of the first And being coupled to the first side and the first support portion is a first armrest portion of the wheelchair, the second support structure is coupled to the second side, and the second support portion is a second armrest of the wheelchair unit.

In another embodiment, the first leg portion, the first support portion and the first grip portion are connected to each other to form a U-shape, and the first stand portion is contactable with a ground.

In another embodiment, the second leg portion, the second support portion and the second grip portion are connected to each other to form a U-shape, and the second leg portion is in contact with the ground.

In another embodiment, the first grip portion is telescopically coupled to the first support portion and is positionable in a plurality of positions.

In another embodiment, the first grip portion is rotatable relative to the first support portion.

In another embodiment, the second grip portion is telescopically coupled to the second support portion and is positionable in a plurality of positions.

In another embodiment, the second grip portion is rotatable relative to the second support portion.

In another embodiment, the wheelchair further includes a first bearing portion and a first positioning portion, the first bearing portion and the first positioning portion are disposed on the first side, when the first supporting structure is coupled The first leg portion is positioned on the first positioning portion, and the first support portion is carried on the first carrier portion.

In another embodiment, the wheelchair further includes a second bearing portion and a second positioning portion, the second bearing portion and the second positioning portion are disposed on the second side, when the second supporting structure is coupled The second leg portion is positioned on the second positioning portion, and the second support portion is carried on the second carrier portion.

In another embodiment, the wheelchair-assisted walker structure further includes an upper sleeve and a lower sleeve, wherein the upper sleeve is positioned on the first upper joint portion and the second upper joint portion, so that The first upper coupling portion is coupled to the second upper coupling portion, and the first lower coupling portion is coupled to the second lower coupling portion by the lower sleeve being positioned at the first lower coupling portion and the second lower coupling portion unit.

The above and other objects, features, and advantages of the invention will be apparent from

20, 40‧‧‧ Positioning agencies

100‧‧‧First Support Structure

110‧‧‧First tripod

120‧‧‧First Support Department

130‧‧‧First grip

140‧‧‧First Upper Linkage

150‧‧‧First Joint Department

200‧‧‧second support structure

210‧‧‧Second leg

220‧‧‧Second Support Department

230‧‧‧Second grip

240‧‧‧Second Upper Linkage

250‧‧‧Second Linkage

300‧‧‧ casing

400‧‧‧Upper casing

1000‧‧‧With wheelchair walker structure

2000‧‧‧ Wheelchair

2100‧‧‧ Ontology

2110‧‧‧ first side

2120‧‧‧ second side

2150‧‧‧First Positioning Department

2160‧‧‧First load bearing department

2180‧‧‧Second Positioning Department

2190‧‧‧Second load bearing department

2200‧‧‧ Wheels

Fig. 1 is an exploded perspective view showing the structure of a wheelchair-assisted walker according to the present invention.

Figure 2 is a combination view of the wheelchair-assisted walker structure in combination with a wheelchair.

Figures 3-9 are schematic views of the structure of a wheelchair-assisted walker using the present invention.

Referring to Figures 1 and 2, the wheelchair-assisted walker structure 1000 of the present invention can be coupled to a wheelchair 2000. The wheelchair-assisted walker structure 1000 includes a first support structure 100 and a second support structure 200. The wheelchair 2000 includes a body 2100 and two wheels 2200. The user can be carried by the body 2100 and rotate the two wheels 2200 to move the wheelchair 2000. The body 2100 has a first side 2110 and a second side 2120. The first support structure 100 of the wheelchair-assisted walker structure 1000 is detachably mounted to the first side 2110, and the second support structure 200 is detachably mounted to the first side 2120.

The first supporting structure 100 includes a first leg portion 110 , a first supporting portion 120 , a first grip portion 130 , a first upper connecting portion 140 , and a first lower connecting portion 150 . The first support portion 120 connects the first leg portion 110 and the first grip portion 130 to form a U-shaped structure, wherein the first stand portion 110 is fixed to the first support portion 120, and the first grip portion 130 is The first support portion 120 and the first grip portion 130 are concentric tubes, and the first grip portion 130 has a diameter smaller than that of the first support portion 120. The support portion 120 has a small diameter and is telescopically and rotatably coupled to the first support portion 120, and the first grip portion 130 is positionable relative to the first support portion 120 at a plurality of positions. The first upper connecting portion 140 is pivotally disposed on the first grip portion 130, and the first lower connecting portion 150 is pivotally disposed on the first stand portion 110 and can be positioned at a predetermined position.

The second supporting structure 200 includes a second leg portion 210 , a second supporting portion 220 , a second grip portion 230 , a second upper connecting portion 240 , and a second lower connecting portion 250 . The second supporting portion 220 . Connecting the second leg portion 210 and the second grip portion 230 to form a U-shaped structure, wherein the second leg portion 210 is fixed to the second support portion 220, and the second grip portion 230 is movably The second support portion 220 and the second grip portion 230 are concentric tubes, and the diameter of the second grip portion 230 is smaller than the diameter of the second support portion 220. Small and retractably and rotatably coupled to the second support portion 220, and the second grip portion 230 can be positioned at a plurality of positions relative to the second support portion 220, and the second upper coupling portion 240 is pivoted to the second portion The grip portion 230 is pivotally disposed on the second leg portion 210 and can be positioned at a predetermined position.

When the first support structure 100 is mounted on the first side 2110 of the wheelchair 2000 and the second support structure 200 is mounted on the second side 2120 of the wheelchair 2000, the end of the first stand portion 110 is disposed at the first side 2110 The first positioning portion 2150 is positioned in the first positioning portion 2150, and the first supporting portion 120 is carried on the first bearing portion 2160 disposed on the first side 2110, and the first branch The holding portion 120 is used as a first armrest portion of the wheelchair 2000. At this time, the first lower coupling portion 150 is rotated to a position parallel to the first leg portion 110, and the first grip portion 130 is retracted to an extreme position. The first upper connecting portion 140 is rotated to a position parallel to the first leg portion 110; the second stand portion 210 is positioned at a second positioning portion 2180 disposed at the second side 2120, and the second supporting portion 220 is carried The second support portion 220 is disposed on the second side portion 2120 of the second side 2120, and the second support portion 220 serves as a second arm portion of the wheelchair 2000. At this time, the second lower joint portion 250 is rotated to be parallel to the second leg portion 210. The second grip portion 130 is retracted to an extreme position while the second upper coupling portion 240 is rotated to a position parallel to the second leg portion 210.

In this embodiment, the first leg portion 110, the first support portion 120, the first grip portion 130, the first upper connecting portion 140, the first lower connecting portion 150, the second leg portion 210, and the second support The portion 220, the second grip portion 230, the second upper coupling portion 240, and the second lower coupling portion 250 are each formed of a circular iron tube.

When the user wants to leave the wheelchair 2000 and walks the road, first, as shown in FIG. 3, the first lower connecting portion 150 and the second lower connecting portion 250 are respectively rotated to a corresponding position, and then positioned by the positioning mechanism 20 respectively. The positions corresponding to each other.

Then, as shown in FIG. 4, the lower sleeves 300 are respectively positioned by the positioning mechanism 40 to the first lower joint portion 150 and the second lower joint portion 250, whereby the first lower joint portion 150 is coupled to the second lower joint portion. 250, and thereby the first support structure 100 is bonded to the second support structure 200.

Then, as shown in FIG. 5, the first grip portion 130 and the second grip portion 230 are respectively pulled back from the first support portion 120 and the second support portion 220 to a desired position and are positioned by the positioning mechanism (not shown). The first grip portion 130 and the second grip portion 230 are respectively positioned at the position.

Then, as shown in FIG. 6, the combined first support structure 100 and the second support are Structure 200 is removed from wheelchair 2000.

Then, as shown in FIG. 7, the combined first support structure 100 and the second support structure 200 are placed on the ground and located in front of the wheelchair 2000, so that the first stand portion 110 and the second stand portion 210 are in contact with each other. The ground, first grip portion 130 and second grip portion 230 face the user sitting on the wheelchair 2000.

Then, as shown in Fig. 8, the first upper coupling portion 140 and the second upper coupling portion 240 are rotated to positions corresponding to each other.

Then, as shown in FIG. 9, an upper sleeve 400 is respectively positioned by the positioning mechanism to the first upper coupling portion 140 and the second upper coupling portion 240, whereby the first upper coupling portion 140 is coupled to the second upper coupling portion. 240, thus the first support structure 100 is more firmly coupled to the second support structure 200, and then the user of the wheelchair 2000 can self-walk by the wheelchair-assisted walker structure 1000 of the present invention.

When the user again wishes to use the wheelchair 2000, the wheelchair 2000 can be seated first, and the walker structure 1000 is disassembled in the reverse order of FIGS. 3-9 to be decomposed into the first support structure 100 and the second support structure 200. And mounting the first support structure 100 and the second support structure 200 back to the first side 2110 and the second side 2120 of the wheelchair 2000.

The positioning mechanism used in the embodiment is a structure of a protruding pin and a through hole. For example, a through hole is formed in the first lower connecting portion 150, and is disposed at the first position when the first lower connecting portion 150 is rotated to a corresponding position. A lug in the support portion 120 is coupled to the through hole from the first support portion 120 by the elastic force to position the first lower joint portion 150 at the position. In addition, for example, a plurality of through holes are formed on the first support portion 120, and the through holes correspond to a plurality of positions of the first grip portion 130, and the first grip portion 130 is provided with a convex pin, when the first The grip portion 130 is moved to any of the positions At this time, the lug is coupled to one of the through holes by the elastic force, thereby positioning the first grip portion 130 at the position.

Since the wheelchair-assisted walker structure 1000 of the present invention is decomposed into the first support structure 100 and the second support structure 200 and is respectively disposed on the first side 2110 and the second side 2120 of the wheelchair 2000, the wheelchair is intended to be folded. In 2000, the first grip portion 130 and the second grip portion 230 need to be rotated to be parallel to the first side 2110 and the second side 2120, respectively, and then the wheelchair 2000 itself is folded, and the wheelchair 2000 can be assisted. The volume of the device 1000 is reduced to a minimum for ease of storage or shipping.

In addition, the first support structure 100 and the second support structure 200 on both sides of the walker structure 1000 of the present invention can be completely separated, and can be combined when the walker is to be used, which does not affect the operation of the wheelchair and is convenient. The occupants enter and exit the wheelchair. The walker structure 1000 of the present invention is combined with the first upper joint portion 140 and the second upper joint portion 240 to form an upper joint structure, and the first lower joint portion 150 and the second lower joint portion 250 are combined to form a lower joint. The first supporting structure 100 and the second supporting structure 200 are combined by the upper and lower connecting structures to form a stable and safe structure, the walker structure 1000 is not deformed during operation, and the occupant is in a wheelchair. At this time, the first lower joint portion 150 and the second lower joint portion 250 may be combined to form a crossbar which has the effect of protecting the occupant, and thus, the present invention solves the problems of the prior art.

The present invention has been disclosed in the above embodiments, but it is not intended to limit the scope of the present invention. Any one of ordinary skill in the art to which the present invention pertains may be modified and retouched without departing from the spirit of the invention. Therefore, the scope of the invention is defined by the scope of the appended claims.

100‧‧‧First Support Structure

110‧‧‧First tripod

120‧‧‧First Support Department

130‧‧‧First grip

140‧‧‧First Upper Linkage

150‧‧‧First Joint Department

200‧‧‧second support structure

210‧‧‧Second leg

220‧‧‧Second Support Department

230‧‧‧Second grip

240‧‧‧Second Upper Linkage

250‧‧‧Second Linkage

1000‧‧‧With wheelchair walker structure

2000‧‧‧ Wheelchair

2100‧‧‧ Ontology

2110‧‧‧ first side

2120‧‧‧ second side

2150‧‧‧First Positioning Department

2160‧‧‧First load bearing department

2180‧‧‧Second Positioning Department

2190‧‧‧Second load bearing department

2200‧‧‧ Wheels

Claims (10)

A wheelchair-equipped walker structure detachably coupled to a wheelchair having a body and two wheels, the body having a first side and a second side, the wheels being pivoted The first side support and the second side, the wheelchair-equipped walker structure includes: a first support structure, including a first stand portion, a first support portion, a first grip portion, and a first An upper connecting portion and a first lower connecting portion, the first supporting portion is connected to the first leg portion and the first grip portion, and the first upper connecting portion is pivotally disposed on the first grip portion, The first lower connecting portion is rotatably disposed at the first leg portion; and the second supporting structure includes a second leg portion, a second supporting portion, a second grip portion, and a second The second connecting portion is connected to the second leg portion and the second grip portion, and the second upper connecting portion is pivotally disposed on the second grip portion, the second connecting portion The second lower connecting portion is locably pivotally disposed on the second leg portion, wherein the second upper connecting portion is connectable to the first upper portion The junction is joined or separated and the second lower coupling portion is coupled or separated from the first lower coupling portion, and the first upper coupling portion is coupled to the second upper coupling portion and the first lower coupling portion is coupled to the first lower coupling portion The second lower connecting portion is coupled to the second supporting structure, and when the first supporting structure and the second supporting structure are coupled to the wheelchair, the first supporting structure is coupled to the first side And the first support portion is a first armrest portion of the wheelchair, the second support structure is coupled to the second side, and the second support portion is a second arm portion of the wheelchair. The walker structure of the wheelchair according to claim 1, wherein the first leg portion, the first support portion and the first grip portion are connected to each other to form a U-shape, the first leg The frame can be in contact with a ground. A walker structure combined with a wheelchair as claimed in claim 2, wherein the second stand The second support portion and the second grip portion are connected to each other to form a U-shape, and the second stand portion is in contact with the ground. The wheelchair-equipped walker structure of claim 1, wherein the first grip portion is telescopically coupled to the first support portion, and the first grip can be coupled by a positioning mechanism The portion is positioned at a predetermined position of the plurality of positions. The wheelchair-assisted walker structure of claim 4, wherein the first grip portion is rotatable relative to the first support portion. The wheelchair-equipped walker structure of claim 4, wherein the second grip portion is telescopically coupled to the second support portion, and the second grip can be coupled by a positioning mechanism The portion is positioned at a predetermined position of the plurality of positions. The wheelchair-integrated walker structure of claim 6, wherein the second grip portion is rotatable relative to the second support portion. The wheelchair-equipped walker structure of claim 1, wherein the wheelchair further comprises a first carrying portion and a first positioning portion, wherein the first carrying portion and the first positioning portion are disposed The first side of the first supporting portion is located at the first positioning portion, and the first supporting portion is carried by the first supporting portion. The wheelchair-equipped walker structure of claim 8, wherein the wheelchair further comprises a second carrying portion and a second positioning portion, wherein the second carrying portion and the second positioning portion are disposed The second side portion is located at the second positioning portion when the second supporting structure is coupled to the second side, and the second supporting portion is carried by the second supporting portion. The walker structure of the wheelchair according to claim 1, further comprising an upper sleeve and a lower sleeve, wherein the upper sleeve is positioned on the first upper joint and the second upper joint And the first upper connecting portion is coupled to the second upper connecting portion, and the lower sleeve is positioned on the first lower connecting portion and the second lower connecting portion, so that the first lower connecting portion is coupled to the first lower connecting portion Second connection unit.