TWI777910B - A wheelchair with the function of a walker - Google Patents

Abstract

The invention provides a wheelchair with the function of a walker, which comprises a support frame, a first wheel set, a second wheel set, a handle and a seat portion. Both the first wheel set and the second wheel set are connected to the bottom of the support frame, and the handle is connected to the top of the support frame. The seat portion has a moving device and a seat. The moving device includes a sliding rail and a sliding block. Two opposite sides of the seat are respectively connected with the sliding block. The sliding rail is arranged on the support frame. The sliding block move along the sliding rail. Through the above, when the slider is located at a position of the slide rail, the seat body is adjacent to the support frame, and the handle and the seat body are located on the same side of the support frame at the same time, so that the wheelchair with walker function becomes A walker, the first wheel set and the other end of the support frame are located on the ground, and the second wheel set is separated from the ground at a distance.

Description

Wheelchair with walker function

The present invention relates to a wheelchair, in particular to a wheelchair with the function of a walker.

Taiwan has become an aging society in 1993, and turned into an aging society in 2018. It is estimated that it will enter a super-aging society in 2025. The age structure of the elderly population is rapidly aging.

In Taiwan's hospitals or nursing homes, people who are using wheelchairs are often seen, and the wheelchair usage rate is increasing day by day. However, deducting users who are completely dependent on wheelchairs, some people are not completely incapacitated, but spend most of their time in a wheelchair. When you want to get up for rehabilitation, you often need to get out of the wheelchair and use a walker to walk.

A walker is the most common and stable four-legged walker. Most of the walkers available in the market can be folded and folded, and there are wheels on the front of the walker, such as the design of a stroller, and the walker can also sit on the function. design and more. However, traditional wheelchairs and walkers are used separately, although they can be used differently for different functional needs. However, for wheelchair users who are blind, it is difficult to carry a walker with them. Therefore, it is necessary to find a solution.

In addition, the function of the walker is like assisting the injured to support walking and movement. The user needs to hold the handrail of the walker with both hands and the weight falls on the walker. Because the walker needs to be placed in the front, the user needs to hold the walker with both hands. The armrest of the walker leans forward, although any form of walker functions equally, supporting the injured, walking or exercising user behind the walker.

When the user may need to sit down and rest due to sore feet, the walker should be reversed and used. At this moment, the user must put both hands to reverse the walker. At this time, it is also easy to fall. . Especially when the feet are sore and weak, it is easy to fall down. The four-legged walker and the walker with wheels on the front are the design structures that lack the user's safety consideration.

Moreover, the walker with a small seat is generally not deep enough, and there is no leg rest or foot rest, and the purpose is only to rest in place. When used over long distances, the user or caregiver cannot switch to wheelchair mode to assist in moving forward.

Therefore, in view of the problems existing in the above-mentioned conventional structures, the development of a more ideal and practical structure is indeed the ardent expectation of consumers, and it is also the goal and direction that the relevant industry must strive to develop breakthroughs.

Based on the above, the inventor of the present invention has been engaged in the manufacturing, development and design of related products for many years, aiming at the above-mentioned goals, after detailed design and careful evaluation, finally came up with a practical invention.

One of the purposes of the present invention is to combine a walker with functional characteristics such as assisting the injured patient to support walking and movement, and a wheelchair that is helpful to the injured patient's body and mind. By combining the physical structures of the two , reaching the wheelchair can also have a walker function.

Another object of the present invention is to improve the use of the conventional forward walking aid, which is prone to cause the problem of a hunchback posture, and when the walking distance and ability of the user are limited, the caregiver or the patient can move the walker by himself. Convert to wheelchair mode.

The present invention provides a wheelchair with a function of a walker, comprising: a support frame, a first wheel set, a second wheel set, a second handle and a seat portion.

The support frame includes: two conduits, two connecting frames, two displacement mechanisms and two extending brackets. The conduit is a hollow structure and extends along a first direction. Two ends of the connecting frame are respectively connected with the two conduits. The displacement mechanisms are respectively arranged in the conduit, one end of the displacement mechanism extends out of the conduit, and one end of the extension bracket is connected to the conduit.

The first wheel set is pivotally connected to the other end of the extension bracket.

The second wheel set is pivotally connected to the other end of the conduit.

One end of the handle is connected to one end of the displacement mechanism.

The seat part has two moving devices and a seat, the moving device includes a sliding rail and a sliding block, two opposite sides of the seat are respectively connected with the sliding block, and two ends of the sliding rail are respectively connected with the conduit and the extension bracket, the sliding block is arranged on the sliding rail, and the sliding block moves along the sliding rail.

Wherein, when the slider is located at a first position of the slide rail, the seat body and the support frame abut against at a first angle, and the handle and the seat body are respectively located on two sides of the support frame. When the slider is located at a second position of the slide rail, the seat is adjacent to the support frame, and the handle and the seat are located on the same side of the support frame at the same time, the wheelchair with walker function is a walker In the device state, the first wheel set and the other end of the displacement mechanism are simultaneously located on a ground, and at the same time, the second wheel set is separated from the ground by a distance.

Further, in one embodiment, the extension bracket has a U-shaped shape, the diameter of the second wheel set is greater than or equal to the diameter of the first wheel set, the distance is greater than or equal to 2 cm, and the slide rail has an arc.

Further, in one embodiment, one end of the handle is connected to one end of the displacement mechanism, and a first rotational displacement movement is performed with the center line of the displacement mechanism as the central axis; wherein, when the handle is located at a third position When the handle is in a fourth position, the other end of the displacement mechanism is aligned with the other end of the conduit, and when the handle is in a fourth position, the other end of the displacement mechanism extends out of the other end of the conduit.

Further, in one embodiment, two opposite sides of the seat are respectively connected with the slider, and a second rotational displacement movement is performed with the connecting line between the two sliders as the central axis; wherein, when the seat is When in a fifth position, the first angle is 90 degrees, and when the seat is in a sixth position, the seat and the support frame are parallel to each other.

Further, in one embodiment, the wheelchair with a walker function further includes two armrests, the armrests are L-shaped, and two ends of the armrests are respectively connected to the extension bracket and the conduit.

Further, in one embodiment, the wheelchair with the function of a walker further includes a tripod, which is pivotally connected with one end of the sitting body, and the tripod takes one end of the sitting body as an axis to perform a third rotational displacement movement; wherein, when the tripod is in a seventh position, the tripod is connected with the seat at a second angle, and when the tripod is in an eighth position, the tripod is abutted against the seat .

Further, the second angle is between 90 degrees and 105 degrees.

In addition, in the above, further, the displacement mechanism includes a screw shaft, a rotating joint and a supporting device, two ends of the screw shaft are respectively connected to one end of the rotating joint and one end of the supporting device, and the other end of the rotating joint is connected. One end is connected with one end of the handle, and the handle takes the center line of the screw shaft as the axis to perform the first rotational displacement movement, wherein when the handle is at the third position, the other end of the support device is aligned with the conduit the other end of the support device; when the handle is at the fourth position, the other end of the supporting device extends out of the other end of the conduit.

Further, in one embodiment, the screw shaft has a first external thread, the support device has a first internal thread and a second external thread, and the other end of the conduit has a second internal thread, by the first internal thread and the second external thread. An external thread engages with the first internal thread, the second external thread engages with the second internal thread, when the handle performs the first rotational displacement movement, at the same time, the other end of the support device extends out of the other end of the conduit .

Further, in an embodiment, the moving device further includes a fixing device, and the fixing device is located on a side surface of the slider for fixing the slider on the slide rail.

To sum up, the present invention combines a walker with functional characteristics such as assisting the injured patient to support walking and movement, and a wheelchair that is helpful to the injured patient both physically and psychologically. The structure is combined and improved so that the wheelchair can also function as a walker.

In order to achieve the above-mentioned purpose and effect, the technical means and structure used in this creation are hereby described in detail on the preferred embodiment of this creation. The features and functions are as follows, so that you can fully understand, but it should be noted that the content does not constitute the limitations of this creation.

Please refer to FIG. 1 , the present invention provides a wheelchair 1 with a function of a walker, comprising: a support frame 2 , a first wheel set 3 , a second wheel set 4 , a second handle 5 and a seat portion 6.

The support frame 2 includes: two conduits 21 , two connecting frames 22 , two displacement mechanisms 23 and two extending brackets 24 .

The conduit 21 is a hollow structure and extends along a first direction 91 .

Two ends of the connecting frame 22 are respectively connected to the two conduits 21 .

The displacement mechanisms 23 are respectively disposed in the conduits 21 , and one end of the displacement mechanisms 23 extends out of the conduits 21 .

One end of the extension bracket 24 is connected to the conduit 21, and the extension bracket 24 is U-shaped.

The first wheel set 3 is pivotally connected to the other end of the extension bracket 24 .

The second wheel set 4 is pivotally connected to the other end of the conduit 21. In this embodiment, the diameter of the second wheel set 4 is greater than or equal to the diameter of the first wheel set 3, but not limited thereto.

One end of the handle 5 is connected to one end of the displacement mechanism 23 .

The seat portion 6 has two moving devices 61 and a seat body 62. The moving device 61 includes a sliding rail 611 and a sliding block 612. Two opposite sides of the seat body 62 are respectively connected with the sliding block 612. The rail 611 has an arc and two ends of the slide rail 611 are respectively connected to the conduit 21 and the extension bracket 24 , and the slider 612 is disposed on the slide rail 611 , and the slider 612 moves along the slide rail 611 .

Wherein, when the slider 612 is located at a first position 81 of the slide rail 611, the seat 62 and the support frame 2 abut at a first angle θ1, and the handle 5 and the seat 62 are respectively located in the Both sides of the support frame 2.

When the slider 612 is located at a second position 82 of the slide rail 611, the seat 62 abuts the support frame 2, and the handle 5 and the seat 62 are located on the same side of the support frame 2 at the same time. The wheelchair 1 with the walker function is in a walker state (as shown in Figure 2).

In addition, in one embodiment, the moving device 61 further includes a fixing device 613 . The fixing device 613 is located on one side of the slider 612 for fixing the slider 612 on the slide rail 611 .

Please additionally refer to Figure 3, in the state of the walker, the first wheel set 3 and the other end of the displacement mechanism 23 are located on a ground at the same time, and at the same time, the second wheel set 4 is a distance from the ground. The distance D, in a preferred embodiment, the distance D is greater than or equal to 2 cm, if it is less than the distance D, when the patient uses the wheelchair 1 with a walker function, it is easy to let the second wheel set 4 The uneven ground collides with the protruding part of the ground, causing inconvenience to use.

Please refer to FIG. 4. In addition, it should be noted that one end of the handle 5 is connected to one end of the displacement mechanism 23, and a first rotational displacement movement 71 is performed with the center line of the displacement mechanism 23 as the central axis.

Wherein, when the handle 5 is located at a third position 83, the other end of the displacement mechanism 23 is aligned with the other end of the conduit 21, and when the handle 5 is located at a fourth position 84, the other end of the displacement mechanism 23 extends Pull out the other end of the conduit 21 (as shown in FIG. 5 ).

In one embodiment, the wheelchair 1 with a walking aid function further includes two armrests 8, the armrests 8 are L-shaped, and the two ends of the armrests 8 are respectively connected to the extension bracket 24 and the conduit 21.

Please refer to FIG. 6 , what needs to be added is that the two opposite sides of the seat 62 are respectively connected with the slider 612 , and a second rotational displacement movement 72 is performed with the connecting line between the two sliders 612 as the central axis. .

Wherein, when the seat body 62 is located at a fifth position 85, the first angle θ1 is 90 degrees, and when the seat body 62 is located at a sixth position 86, the seat body 62 and the support frame 2 are parallel to each other (eg Figure 7).

In one embodiment, the wheelchair 1 with a walker function further includes a tripod 9 pivotally connected to one end of the seat 62 , and the tripod 9 uses one end of the seat 62 as an axis to perform a third step. Rotation displacement movement 73 .

Wherein, when the tripod 9 is located at a seventh position 87, the centerline of the tripod 9 and the centerline of the seat body 62 are connected at a second angle θ2. In this embodiment, preferably the second The angle θ2 is between 90 degrees and 105 degrees, which can provide a more comfortable and natural riding experience for the lower limbs of the patient. When the tripod 9 is located at an eighth position 88, the tripod 9 is abutted against the seat 62 (as shown in FIG. 7 ).

Please additionally refer to FIG. 8 . It should be further explained that, in this embodiment, the displacement mechanism 23 includes a screw shaft 231 , a rotating joint 232 and a support device 233 , and two ends of the screw shaft 231 are respectively connected to the rotation One end of the joint 232 and one end of the support device 233 are connected with the other end of the handle 5 . The handle 5 performs the first rotational displacement movement 71 with the centerline of the screw shaft 231 as the axis.

Wherein, it is further explained that when the handle 5 is located at the third position 83, the other end of the support device 233 is aligned with the other end of the conduit 21. When the handle 5 is located at the fourth position 84, the other end of the support device 233 extends out of the other end of the conduit 21 (as shown in FIG. 9 ).

In an embodiment, it is further described that the screw shaft 231 has a first external thread 2311, the support device 233 has a first internal thread 2331 and a second external thread 2332, and the other end of the conduit 21 has a The second inner thread 211 is engaged with the first inner thread 2331 by the first outer thread 2311, and the second outer thread 2332 is engaged with the second inner thread 211. When the handle 5 performs the first rotational displacement movement 71 , and at the same time, the other end of the support device 233 extends out of the other end of the conduit 21 .

To sum up, the advantages of the wheelchair with walker function of the present invention are:

Combining the walking aids with functional characteristics such as assisting the injured patient to support walking and movement, and the wheelchair that is helpful to the injured patient physically and psychologically, by combining the physical structures of the two, the wheelchair can also be helpful. Runner function.

That is to say, by arranging the displacement mechanism 23 in the conduit 21, the other end of the supporting device 233 is driven to extend out of the other end of the conduit 21 by rotating the handle, so that the second wheel set 4 is connected to the other end of the conduit 21. The ground is separated by a distance D. At the same time, after the seat portion 6 is accommodated by the moving device 61, the wheelchair can also have the function of a walker, thereby combining the functions of autonomous movement and assisted movement of the caregiver.

The user of the wheelchair 1 with the walker function of the present invention can convert the wheelchair 1 with the walker function to the walker state 7 by himself, which brings unprecedented convenience, and then can use the walker to stand And short-distance walking can also achieve the effect of rehabilitation of patients, and maximize the patient's walking function and promote lower extremity weight-bearing.

Through the above detailed description, it can be fully demonstrated that the purpose and effect of the present invention are progressive in implementation, have great industrial utilization value, and fully meet the requirements of an invention patent. Only the above are only preferred embodiments of the present invention, and are not intended to limit the embodiments and protection scope of the present invention. For those skilled in the art, they should be able to realize that any changes made by using the contents of the description and drawings of the present invention Solutions obtained from equivalent substitutions and obvious changes shall all be included in the protection scope of the present invention.

1: Wheelchair with walker function 2: Support frame 21: Catheter 211: Second internal thread 22: connecting frame 23: Displacement mechanism 231: Screw shaft 2311: The first external thread 232: Rotation joint 233: Support device 2331: First internal thread 2331: Second external thread 24: Extension bracket 3: The first round group 4: Second round group 5: handle 6: Chair seat 61: Mobile Devices 611: Slide rail 612: Slider 613: Fixtures 62: Sitting 71: The first rotational displacement movement 72: Second rotational displacement movement 73: The third rotational displacement movement 8: Armrest 81: First position 82: Second position 83: Third position 84: Fourth position 85: Fifth position 86: Sixth position 87: Seventh position 88: Eighth position 9: Tripod 91: First Direction θ1: first angle θ2: second angle D: distance

FIG. 1 is a three-dimensional schematic diagram of the wheelchair with the function of a walker according to the present invention. FIG. 2 is a three-dimensional schematic diagram of the wheelchair with the function of a walker according to the present invention in a state of a walker. FIG. 3 is a right side view of the wheelchair with walker function of the present invention in a walker state. FIG. 4 is a schematic diagram of the handle of the wheelchair with the function of a walker according to the present invention in a third position. FIG. 5 is a schematic diagram of the handle of the wheelchair with a walker function of the present invention in a fourth position. FIG. 6 is a schematic diagram of the seat body of the wheelchair with walker function in the fifth position and the legrest in the seventh position according to the present invention. 7 is a schematic diagram of the seat body of the wheelchair with walker function in the sixth position and the footrest in the eighth position of the present invention. 8 is a schematic cross-sectional view of the displacement mechanism of the handle in the third position of the present invention. 9 is a schematic cross-sectional view of the displacement mechanism of the handle in the fourth position of the present invention.

1: Wheelchair with walker function

2: Support frame

21: Catheter

22: connecting frame

23: Displacement mechanism

24: Extension bracket

3: The first round group

4: Second round group

5: handle

6: Chair seat

61: Mobile Devices

611: Slide rail

612: Slider

62: Sitting

81: First position

91: First Direction

θ1: first angle

Claims (10)

A wheelchair with a function of a walker, comprising: a support frame, including: two guide tubes, the guide tube is a hollow structure and extends in a first direction; two connecting frames, two ends of the connecting frame are respectively connected to two the conduit; two displacement mechanisms, respectively disposed in the conduit, one end of the displacement mechanism extends out of the conduit; and two extension brackets, one end of the extension bracket is connected to the conduit; a first wheel set, the first wheel set pivots connected to the other end of the extension bracket; a second wheel set, the second wheel set is pivotally connected to the other end of the conduit; two handles, one end of the handle is connected to one end of the displacement mechanism; and a seat part, having Two moving devices and a seat, the moving device includes a sliding rail and a sliding block, two opposite sides of the seat are respectively connected with the sliding block, and two ends of the sliding rail are respectively connected with the conduit and the extension bracket, And the slider is arranged on the slide rail, and the slider moves along the slide rail; wherein, when the slider is located at a first position of the slide rail, the seat and the support frame form a first angle abutting, and the handle and the seat are located on both sides of the support frame respectively; when the slider is located at a second position of the slide rail, the seat abuts the support frame, and the handle and the seat are at the same time Located on the same side of the support frame, the wheelchair with walker function is in a walker state, the first wheel set and the other end of the displacement mechanism are located on a ground at the same time, and at the same time, the second wheel set and the The ground is a distance away. The wheelchair with a walker function as claimed in claim 1, wherein the extension support has a U-shaped shape, the diameter of the second wheel set is greater than or equal to the diameter of the first wheel set, the distance is greater than or equal to 2 cm, and The slide rail has an arc. The wheelchair with walking aid function as claimed in claim 1, wherein one end of the handle is connected to one end of the displacement mechanism, and a first rotational displacement movement is performed with the center line of the displacement mechanism as the central axis; wherein, When the handle is in a third position, the other end of the displacement mechanism is aligned with the other end of the conduit, and when the handle is in a fourth position, the other end of the displacement mechanism extends out of the other end of the conduit. The wheelchair with walker function as claimed in claim 1, wherein two opposite sides of the seat body are respectively connected with the slider, and a second rotational displacement is performed with a line connecting the two sliders as the central axis movement; wherein, when the seat is located in a fifth position, the first angle is 90 degrees, and when the seat is in a sixth position, the seat and the support frame are parallel to each other. The wheelchair with walker function according to claim 1, wherein the wheelchair with walker function further comprises two armrests, the armrests are L-shaped, and two ends of the armrest are respectively connected to the extension bracket and the catheter. The wheelchair with walker function as claimed in claim 1, wherein the wheelchair with walker function further comprises a tripod, which is pivotally connected with one end of the sitting body, and the tripod takes one end of the sitting body as a The axis performs a third rotational displacement movement; wherein, when the tripod is located at a seventh position, the tripod and the seat are connected at a second angle, and when the tripod is located at an eighth position, the tripod The tripod is abutted against the sitting body. The wheelchair with a walking aid function according to claim 6, wherein the second angle is between 90 degrees and 105 degrees. The wheelchair with walking aid function according to claim 3, wherein the displacement mechanism comprises a screw shaft, a rotating joint and a supporting device, and two ends of the screw shaft are respectively connected to one end of the rotating joint and the supporting device. One end, the other end of the rotary joint is connected with one end of the handle, the handle performs the first rotational displacement movement with the center line of the screw shaft as the axis, wherein, when the handle is in the third position, the support The other end of the device is aligned with the other end of the conduit; when the handle is in the fourth position, the other end of the support device extends out of the other end of the conduit. The wheelchair with walking aid function according to claim 8, wherein the screw shaft has a first external thread, the support device has a first internal thread and a second external thread, and the other end of the conduit has a first external thread Two internal threads, the first external thread is engaged with the first internal thread, the second external thread is engaged with the second internal thread, when the handle performs the first rotational displacement movement, and at the same time, the other side of the support device is One end extends out of the other end of the conduit. The wheelchair with walking aid function as claimed in claim 1, wherein the moving device further comprises a fixing device, the fixing device is located on one side of the sliding block, and is used for fixing the sliding block on the sliding rail.

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