TWI834518B - Wheelchair integrated with commode chair - Google Patents

Abstract

The present invention discloses a wheelchair integrated with commode chair, which mainly includes a wheelchair body, an inflatable cushion, a driving device, and an inflation device. The wheelchair body has a seat cushion with an opening in the center. The inflatable cushion is installed in the wheelchair body and can be driven by the driving device to switch between a folded state and an unfolded state. When the inflatable cushion is in the folded state, the opening in the seat cushion can be connected to a bedpan installed below the wheelchair body. When the inflatable cushion is in the unfolded state, it closes the opening, and by inflating a part of the inflatable cushion through the inflation device, the comfort of the seating is improved. Therefore, the user can control the movement of the inflatable cushion according to their needs, thereby controlling the opening and closing of the seat cushion, solving the problem of needing to change the wheelchair when going to the toilet, and effectively improving the riding experience of the wheelchair.

Description

Wheelchair structure with commode function

The present invention relates to wheelchair auxiliary equipment, and particularly refers to a wheelchair structure with a commode chair function that provides a toilet function and improves riding comfort.

According to reports, thanks to the continuous advancement of living environment and medical technology, the average life span of human beings has increased from more than 50 years old a hundred years ago to more than 80 years old now. , but the arrival of an aging society is also one of the inevitable social phenomena. However, although humans can live longer, as we age, degeneration and disease of body parts will also affect human mobility. Therefore, many elderly people or people with mobility impairments need the help of external assistive devices to move around. Among them, wheelchairs are one of the most commonly used assistive devices. Users can move themselves by sitting in a wheelchair and rotating the wheels manually or electrically. Therefore, the invention of wheelchairs has undoubtedly improved the problem of mobility difficulties.

On the other hand, people with mobility impairments often need to find barrier-free toilets when going to the toilet outside, but these are not available everywhere. In order to allow people with mobility impairments to go to the toilet, the industry has developed a commode chair (or potty chair), which changes the seat cushion of the wheelchair into a hollow ring-shaped seat cushion structure, and installs a potty directly under the seat cushion. Users can complete toileting actions while sitting on the commode chair, without having to move to a barrier-free toilet. Although the above-mentioned commode chair is easy to use, the user still needs to move between the wheelchair and the commode chair, which is still somewhat inconvenient.

Therefore, the industry has developed a structure that combines a commode chair with a wheelchair. For example, the conventional new patent No. M388932 discloses a combined wheelchair structure with a horse function. In addition to the riding and moving functions of conventional wheelchairs, this wheelchair structure also has When a person with mobility impairment wants to relieve himself or herself, he or she can discharge the toilet directly from the opening in the center of the annular seat cushion to the receiving trough.

The problem with the above-mentioned wheelchair structure is that although the user can go to the toilet at any time, when used as a wheelchair, there is no support in the center of the buttocks due to sitting on the ring-shaped seat cushion for a long time; on the other hand, the ring-shaped seat cushion has a relatively small structure. It is hard and can easily lead to butt muscle fatigue, inflammation or sores if you sit for a long time. Therefore, how to improve the discomfort caused by conventional ring-shaped seat cushions to users is one of the issues that industry players and developers in the field of assistive devices urgently need to solve.

The main purpose of the present invention is to provide a wheelchair structure with the function of a commode, which can simultaneously meet the user's toileting and mobility needs on the same wheelchair, and effectively improve the riding experience of the annular seat cushion.

In order to achieve the above-mentioned object of the invention, the invention provides a wheelchair structure with the function of a commode, which includes: a wheelchair body with a seat cushion, and an opening is provided in the center of the seat cushion; an inflatable cushion with a movable The method is provided on the wheelchair body and under the seat cushion; the inflatable cushion has a movable end that can move between a first position and a second position; a driving device is provided on the wheelchair body and connected to the inflatable cushion , controlled to drive the inflatable cushion to switch between a folded state and an unfolded state; when the inflatable cushion is in the folded state, the movable end of the inflatable cushion moves to the first position, so that the opening is connected to the space under the seat cushion; when the inflatable cushion is in the unfolded state, the movable end of the inflatable cushion moves to the second position so that the inflatable cushion closes the opening; and an inflatable device is provided on the wheelchair body and Connected to the inflatable cushion and controlled to drive the inflatable when the inflatable cushion is in the deployed state The cushion switches between an inflated state and an uninflated state; when the inflatable cushion is in the inflated state, the inflatable cushion has a protruding portion protruding from the opening of the seat cushion.

In one embodiment, when the inflatable cushion is in the inflated state, the height of the protruding portion of the inflatable cushion is not lower than the height of the seat cushion.

In one embodiment, when the movable end is in the first position, the movable end is adjacent to the rear edge of the seat cushion; when the movable end is in the second position, the movable end is adjacent to the front edge of the seat cushion. fate.

In one embodiment, the wheelchair body has two side-by-side rails, which are respectively provided on both sides of the seat cushion; the two rails are respectively provided with a movable groove opposite to each other, and the two sides of the inflatable cushion are respectively provided on the two sides. In the two movable grooves of the track, the inflatable cushion can move along the two movable grooves of the two tracks.

In one embodiment, it further includes a plurality of elastic members, one end of which is against the two rails and the other end of which is against the seat cushion, so as to apply an elastic force to the seat cushion so that the seat cushion moves away from the rails. trend of direction movement.

In one embodiment, the bottom surface of the seat cushion is provided with a plurality of positioning members corresponding to the elastic members to prevent the seat cushion from moving in the axial direction of the two rails.

In one embodiment, it further includes a bedpan, which has a receiving groove and a fitting part surrounding the receiving groove; the bedpan is detachably connected to the wheelchair body, and when the inflatable cushion is in In the folded state, the fitting portion of the toilet bowl can extend into the two movable grooves of the two rails and move along the two rails to below the seat cushion, so that the accommodating groove corresponds to the opening of the seat cushion.

In one embodiment, the driving device has two electric screws, which are provided on the wheelchair body. One end extends into the two movable grooves of the two rails and is connected to a plurality of connectors on both sides of the inflatable cushion, and is controlled to drive the inflatable cushion. The inflatable mattress moves along the two tracks.

In one embodiment, the inflatable device has a gas bottle and an inflatable tube; the gas bottle is provided on the wheelchair body, and one end of the inflatable tube is connected to the gas bottle, and the other end is connected to the inflatable cushion.

In one embodiment, a control device is further included, which is provided on the wheelchair body and electrically connected to the driving device and the inflating device, for controlling the actions of the driving device and the inflating device.

In the following, according to the purpose, function and structural configuration disclosed by the present invention, preferred embodiments are cited and described in detail with reference to the drawings.

10:Wheelchair body

11: Frame

12:Mobile components

13: Orbit

130:Activity slot

14: Seat cushion

140:Open your mouth

141: Positioning parts

15: Elastic parts

16: Potty

160: Accommodation tank

161: Chimeric part

20:Inflatable mattress

21:Active end

22: Connector

23:Protrusion

30:Driving device

40:Inflatable device

41:Gas cylinder

42:Inflatable tube

50:Control device

Figure 1 is a perspective view of a preferred embodiment of the present invention.

Figure 2 is an exploded view of a preferred embodiment of the present invention.

Figure 3 is a schematic diagram of the folded state of a preferred embodiment of the present invention.

Figure 4 is a schematic diagram of the unfolded/uninflated state of a preferred embodiment of the present invention.

Figure 5 is a schematic diagram of the inflation state of a preferred embodiment of the present invention.

Please refer to Figure 1. The wheelchair structure with commode function provided by a preferred embodiment of the present invention mainly includes: a wheelchair body 10, an inflatable cushion 20, a driving device 30, an inflatable device 40 and A control device 50. Among them: the wheelchair body 10 has a frame 11, a moving component 12, two rails 13, a seat cushion 14, a plurality of elastic members 15 and a toilet 16. The vehicle frame 11 is a component assembled from a plurality of frames. The moving component 12 is provided on the frame 11 and can be operated to drive the wheelchair body 10 to move. In this embodiment, the moving component 12 can be manually driven or electrically controlled. The two rails 13 are arranged side by side on opposite sides of the frame 11 , and each of the two rails 13 has a movable groove 130 , and the two movable grooves 130 are disposed toward each other. The seat cushion 14 is an annular member with an opening 140 in the center. The seat cushion 14 is detachably disposed above the two rails 13 , and the seat cushion 14 has a plurality of positioning members 141 . The elastic members 15 are disposed between the seat cushion 14 and the two rails 13 , with one end abutting the two rails 13 and the other end abutting the positioning members 141 of the seat cushion 14 . The elastic members 15 can provide an elastic force to the seat cushion 14 so that the seat cushion 14 has a tendency to move in a direction away from the two rails, thereby allowing the seat cushion 14 to move in a direction approaching or away from the two rails 13 activity space. In this embodiment, the positioning members are grooves provided on the seat cushion 14 for one end of the elastic members 15 to pass through. In another embodiment, the positioning members are protrusions provided on the two rails for one end of the elastic members to be sleeved, or any other structure that can interact with the elastic members. The toilet bowl 16 is a basin-shaped structure having a receiving groove 160 and a fitting portion 161 surrounding the receiving groove. The bedpan 16 is detachably connected to the wheelchair body 10, and the opposite sides of the fitting portion 161 can extend into the two movable grooves 130 along one end of the two rails 13, so that the bedpan 16 can be accommodated. The slot 160 corresponds to the opening 140 of the seat cushion 14 .

The inflatable cushion 20 is movably provided on the wheelchair body 10 . Specifically, the inflatable cushion 20 is a foldable hollow fabric, located between the two rails 13 and below the seat cushion 14 . The inflatable cushion body 20 has a movable end 21 at one end, and the movable end 21 can be driven to move between a first position and a second position; wherein, when the movable end 21 is located at the first position, the movable end 21 can move between a first position and a second position. The movable end 21 is adjacent to the rear edge of the seat cushion 14. When the movable end 21 is located at the second position, the movable end 21 is adjacent to the front edge of the seat cushion 14. The inflatable cushion 20 also has a plurality of connectors 22 , which are disposed adjacent to the two opposite sides of the two rails 13 and extend into the two movable grooves 130 for connecting to the driving device 30 . The inflatable cushion 20 can be driven by the driving device 30 to move. In this embodiment, the connecting member 22 is a buckle. The inflatable cushion 20 has a protruding portion 23 in the center corresponding to the opening 140 of the seat cushion 14 .

The driving device 30 is provided on the two rails 13 of the wheelchair body 10 and is connected to the connectors 22 of the inflatable cushion 20 for driving the movable end 21 of the inflatable cushion 20 to move in a folded state. Switch between expanded states. When the inflatable cushion 20 is in the folded state, the movable end 21 of the inflatable cushion 20 moves to the first position so that the opening 140 is connected to the space below the seat cushion 14; when the inflatable cushion 20 is in the unfolded state In this state, the movable end 21 of the inflatable cushion 20 moves to the second position, and the inflatable cushion 20 closes the opening 140 so that the opening 140 is not connected to the bottom of the seat cushion 14 . In this embodiment, the driving device 30 is two electric screws respectively provided in the two rails 13 and connected to the connectors 22 of the inflatable cushion 20 for driving and moving along the two rails 13 respectively. The slot 130 expands and contracts to drive the movable end 21 of the inflatable cushion 20 to move.

The inflation device 40 has a gas bottle 41 and an inflation tube 42 . The gas bottle 41 is installed on the frame 11 of the wheelchair body 10 . One end of the inflatable tube 42 is connected to the gas bottle 41 and the other end is connected to the inflatable cushion 20 . The inflating device 40 is controlled to inflate and deflate the inflatable cushion 20 when the inflatable cushion 20 is in the unfolded state, so that the inflatable cushion 20 switches between an inflated state and an uninflated state.

The control device 50 is provided on the wheelchair body 10 and is electrically connected to the driving device 30 and the inflating device 40 to control the actions of the driving device 30 and the inflating device 40 . In this embodiment, the control device 50 is an operation panel provided on an armrest of the wheelchair body 10 for the user to operate to control the driving device 30 to drive the inflatable cushion 20 between the folded position and the unfolded position. Switching; when the inflatable cushion is in the deployed position, the control device 50 can further control the inflating device 40 to drive the inflatable cushion 20 to switch between an inflated state and an uninflated state. In another embodiment, the control device can be located at other locations on the wheelchair body, or at a remote device, such as an application on a personal mobile device (such as a mobile phone, computer, tablet), and transmitted via wireless ( For example, WIFI, Bluetooth, infrared) communication is connected to the driving device and the inflatable device to control their actions.

According to the above structural configuration, the actual operation and application of the wheelchair structure with the function of a commode provided by the present invention is as follows: Please refer to Figures 3 and 4. The inflatable cushion 20 can be in a folded state (as shown in Figure 4). Switch between the state shown in Figure 3) and an unfolded state (shown in Figure 4). When the inflatable cushion 20 is in the folded state, the movable end 21 of the inflatable cushion 20 is located in the first position, so that the inflatable cushion 20 is compressed into a tightly folded state and folded behind the seat cushion 14. The height of the rear edge of the seat cushion 14 will not be affected. In this state, the opening 140 of the seat cushion 14 is not blocked by the inflatable cushion 20 and can be connected to the space below the seat cushion 14 for the user to use the toilet. At this time, the toilet bowl 16 can be arranged below the seat cushion 14 along the two rails 13 so that the opening 140 of the seat cushion 14 corresponds to the accommodating groove 160 of the toilet bowl 16 . Thereby, the user can defecate through the opening 140 of the seat cushion 14 and discharge the excrement into the toilet bowl 16 . After using the toilet, the toilet bowl 16 can be exited from the wheelchair body 10 along the two rails 13 and taken away for cleaning, so that the user can use the toilet without leaving the wheelchair body 10 .

After the user finishes using the toilet, the inflatable cushion 20 can be switched from the folded state to the unfolded state. At this time, the driving device 30 can drive the movable end 21 of the inflatable cushion 20 to move from the first position to the second position, so that the inflatable cushion 20 is gradually stretched from the folded state. When the inflatable cushion 20 is in the unfolded state, the movable end 21 of the inflatable cushion 20 is located in the second position, so that the inflatable cushion 20 is completely stretched and laid under the seat cushion 14 . In this state, the opening 140 of the seat cushion 14 will be blocked by the protruding portion 23 of the inflatable cushion 20 .

Next, please refer to Figures 4 and 5. When the inflatable cushion 20 is in the unfolded state, the user can further control the inflated state (as shown in Figure 5) and the uninflated state. transition between states (as shown in Figure 4). When the inflatable cushion 20 switches from the uninflated state to the inflated state, the gas bottle 41 of the inflating device 40 is driven to inflate gas into the inflatable cushion 20 along the inflating tube 42. The air cushion 20 is gradually inflated from a flat state. After the inflatable cushion 20 completes the inflated state, the inflatable cushion 20 abuts the bottom of the seat cushion 14 and moves the seat cushion 14 away from the two rails 13 to form an elastic soft cushion. At the same time, the protruding portion 23 of the inflatable cushion 20 will bulge and extend along the opening 140, and its height is not lower than the height of the seat cushion 14. In this state, when the user sits on the seat cushion 14, the inflatable cushion 20 provides elastic support to the seat cushion 14, and the protruding portion 23 of the inflatable cushion 20 presses the seat cushion 14 The opening 140 fills up and provides elastic support in the center of the seat cushion 14. Therefore, it is relatively effortless for the user to sit on the seat cushion 14. Even if the user sits for a long time, uneven stress on the hip muscles will not be caused, effectively improving the habit. The ring-shaped seat cushion of the commode structure is not suitable for long-term sitting.

Furthermore, when the user needs to go to the toilet, he only needs to reversely drive the inflating device 40 so that the inflating device 40 draws the gas from the inflatable cushion 20 back into the gas bottle 41 along the inflating tube 42, so that the user can use the toilet. The inflatable cushion 20 returns from the inflated state to the uninflated device, and then the operations are as described above.

In summary, the wheelchair structure with commode function provided by the present invention uses the driving device 30 to drive the expansion and contraction of the inflatable cushion 20, so that the user can perform toileting and toileting at the same time without leaving the wheelchair body 10. Ride on mobile features. In addition, by inflating the inflatable cushion 20 through the inflating device 40, the comfort of the seat cushion 14 can be improved, thereby improving the problem that conventional ring-shaped seat cushions are not suitable for long-term sitting.

The above embodiments are only illustrative of the technology and its effects of the present invention, but are not intended to limit the present invention. Anyone skilled in the art can make modifications and changes to the above embodiments without violating the technical principles and spirit of the invention. Therefore, the scope of protection of the rights of the invention should be as described below in the patent application scope.

10:Wheelchair body

11: Frame

12:Mobile components

13: Orbit

130:Activity slot

14: Seat cushion

140:Open your mouth

20:Inflatable mattress

30:Driving device

40:Inflatable device

41:Gas cylinder

42:Inflatable tube

50:Control device

Claims (10)

A wheelchair structure with the function of a commode, including: a wheelchair body with a seat cushion, and an opening is provided in the center of the seat cushion; an inflatable cushion movably provided on the wheelchair body and below the seat cushion ; The inflatable cushion has a movable end that can move between a first position and a second position; a driving device is provided on the wheelchair body and connected to the inflatable cushion, and is controlled to drive the inflatable cushion in a folded position; Switch between the state and an unfolded state; when the inflatable cushion is in the folded state, the movable end of the inflatable cushion moves to the first position so that the opening is connected to the space below the seat cushion; when the inflatable cushion is in the folded state In the unfolded state, the movable end of the inflatable cushion moves to the second position, so that the inflatable cushion closes the opening; and an inflatable device is provided on the wheelchair body and connected to the inflatable cushion, and is controlled to inflate when the inflatable cushion is inflated. When the air cushion is in the unfolded state, the air cushion is driven to switch between an inflated state and an uninflated state; when the air cushion is in the inflated state, the inflatable cushion has a protruding portion protruding from the opening of the seat cushion. The wheelchair structure with commode function as described in claim 1, wherein when the inflatable cushion is in the inflated state, the height of the protruding portion of the inflatable cushion is not lower than the height of the seat cushion. The wheelchair structure with commode function as described in claim 1, wherein when the movable end is located at the first position, the movable end is adjacent to the rear edge of the seat cushion; when the movable end is located at the second position, The movable end is adjacent to the front edge of the seat cushion. The wheelchair structure with commode function as described in claim 1, wherein the wheelchair body has two side-by-side rails, respectively provided on both sides of the seat cushion; the two rails are respectively provided with a movable groove opposite to each other, and the Both sides of the inflatable cushion are respectively arranged in the two movable grooves of the two rails, so that the inflatable cushion can move along the two movable grooves of the two rails. The wheelchair structure with the function of a commode as described in claim 4 further includes a plurality of elastic members, one end of which is against the two rails and the other end of which is against the seat cushion to impart an elastic force to the seat cushion. The seat cushion tends to move away from the track. The wheelchair structure with commode function as described in claim 5, wherein the bottom surface of the seat cushion is provided with a plurality of positioning parts, corresponding to the elastic parts, to prevent the seat cushion from moving in the axial direction of the two rails. The wheelchair structure with the function of a commode as described in claim 4 further includes a bedpan, which has an accommodating groove and a fitting part surrounding the accommodating groove; the bedpan is detachably connected to the When the inflatable cushion is in the folded state of the wheelchair body, the fitting portion of the bedpan can extend into the two movable grooves of the two rails and move along the two rails to below the seat cushion, so that the accommodation groove Corresponding to the opening of the seat cushion. The wheelchair structure with commode function as described in claim 4, wherein the driving device has two electric screws, which are provided on the wheelchair body, with one end extending into the two movable grooves of the two rails and connected to both sides of the inflatable cushion. A plurality of connecting members are controlled to drive the inflatable cushion to move along the two tracks. The wheelchair structure with commode function as described in claim 1, wherein the inflating device has a gas bottle and an inflating tube; the gas bottle is provided on the wheelchair body, and one end of the inflating tube is connected to the gas bottle, and the other end is connected to the The inflatable mattress. The wheelchair structure with commode function as described in claim 1 further includes a control device, which is provided on the wheelchair body and electrically connected to the driving device and the inflating device for controlling the driving device and the inflating device. Action.

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