JP2014155550A - Independence support device for wheelchair and wheelchair equipped with the same - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an independence support device capable of holding a user's body with an independence support mechanism during the posture change when the user changes his or her posture between a seated state and a standing state from a wheelchair to a toilet, or from a toilet to a wheelchair, by which the user can easily change his or her posture between a seated state and a standing state, when he or she uses a toilet, for example, a care-giver who cares for a wheelchair user can easily change the user's posture between a seated state and a standing state and thereby encourage the wheelchair user's independence, or the labor of the care-giver for caring can be reduced, thereby increasing the convenience of the wheelchair.SOLUTION: An independence support mechanism 11 attached to a vehicle body frame 2 of a wheelchair 1 is capable of holding a user's body Mduring the posture change of the user M between a seated state T and a standing state K.

Description

  The present invention relates to a wheelchair self-supporting apparatus used for, for example, a hospital patient, a physically handicapped person, a caregiver, a cared person and the like, and a wheelchair provided with the same.

  Conventionally, as a self-supporting device for a wheelchair of this type, a movable member on which a wheelchair can be mounted has a horizontal posture at the same level as the floor surface, and the front end side is the same level as the floor surface and the rear end side is higher than the floor surface. The wheelchair mounted on the movable member is held in a forward tilted position by tilting the movable member, and gets on and off the wheelchair by the forward tilted posture of the wheelchair. A structure that facilitates the process is known.

JP2013-13543A

  However, in the case of the above-described conventional structure, it is necessary to dispose the movable member on the floor in a freely tiltable manner and to dispose the tilting mechanism for tilting the movable member, which restricts the installation location and increases the installation cost. Has the disadvantage that it may decrease.

  The present invention aims to solve these disadvantages. Among the present inventions, the invention according to claim 1 is mounted on a body frame of a wheelchair and is a user between a sitting state and a standing state. The wheelchair self-supporting apparatus is provided with a self-supporting support mechanism capable of holding the user's body when the posture is changed.

  According to a second aspect of the present invention, as the self-supporting support mechanism, a support frame is erected on the vehicle body frame, a support rod is erected on the support frame, and a holding rod is provided on the support rod so as to be movable up and down. 4. A mounting device for mounting on the user's body is provided on the holding rod, and a vertical movement mechanism for moving the holding rod up and down is provided on the support frame. According to the present invention, as the vertical movement mechanism, a handwheel handle is provided on the support frame, a screw shaft is erected on the support rod, a nut body that is screwed onto the screw shaft is provided on the holding rod, and the holding rod And a gear mechanism that transmits the rotation of the handwheel handle to the screw shaft. The invention according to claim 4 is characterized in that A front wheel is provided at the front of the body frame so that it can be pulled out in the direction of travel, and a rear wheel is provided at the rear of the body frame And it is characterized in and.

  A fifth aspect of the present invention is a wheelchair including the wheelchair self-supporting support device according to any one of the first to fourth aspects.

  As described above, in the present invention according to claim 1 or 5, for example, when a toilet is used, the user is seated and standing up from the wheelchair to the toilet or from the toilet to the wheelchair. At the time of this posture change, the user's body can be held by the self-supporting support mechanism, and the user can easily change the posture between the sitting state and the standing state. Or a caregiver who cares for a wheelchair user can easily change the posture between the sitting state and the standing state, and can encourage the wheelchair user to become independent, or The caregiver's care effort can be reduced, and the convenience of using the wheelchair can be improved.

  In the invention described in claim 2, as the self-supporting support mechanism, a support frame is erected on the vehicle body frame, a support rod is erected on the support frame, and a holding rod is movable up and down on the support rod. Since the holding tool is provided with a mounting tool for mounting on the user's body, and the support frame is provided with a vertical movement mechanism for moving the holding hook up and down, the user's body is mounted on the mounting tool and the vertical movement mechanism is used. The user's body can be held by the wearing tool by raising the holding rod, or the user's body can be held by the wearing device by lowering the holding rod by the vertical movement mechanism, Can change the posture of the user between the standing position and the standing position, can promote the independence of the wheelchair user, can reduce the caregiver's care effort, and claims. In this case, the vertical movement mechanism is A rotation mechanism capable of stopping the holding rod by providing a hand handle on the support frame, a screw shaft standing on the support rod, and a nut body screwed on the screw shaft on the holding rod. And a gear mechanism that transmits the rotation of the handwheel handle to the screw shaft is provided, so that when the handwheel handle is rotated forward and backward, the gear mechanism, the screw shaft and the nut body are screwed together, and the holding mechanism The mounting tool can be moved up and down via the, so that the structure can be simplified.

  In the invention according to claim 4, since the front wheel is provided at the front part of the vehicle body frame so that the front wheel can be pulled out in the advancing direction, and the rear wheel is provided at the rear part of the vehicle body frame, The vehicle body frame can be placed stably, and the front wheel can be stored when traveling, and the body frame can be installed more stably by pulling out the front wheel when using the fitting. Safety can be increased.

1 is an overall side view of an embodiment of the present invention. 1 is an overall rear view of an embodiment of the present invention. 1 is an overall plan view of an embodiment of the present invention. It is a partial expanded rear view of the embodiment of the present invention. It is a fragmentary sectional side view of the example of an embodiment of the invention. It is a side view of the use condition of the embodiment of the present invention. It is a side view of the use condition of the embodiment of the present invention.

  1 to 7 show an embodiment of the present invention. As shown in FIGS. 1, 2, and 3, 1 is a wheelchair, and a seat portion 3 and an armrest portion 4 are arranged on a body frame 2, Wheels 6 and 6 are disposed on the left and right sides of the vehicle body frame 2 by the main shaft 5, and front wheels 7 and 7 are provided on the left and right sides of the front part of the vehicle body frame 2 so as to be drawn out in the advancing direction by the guide rods 8 and 8. The rear wheels 10 and 10 are provided on the left and right sides of the rear portion 2 with protruding rods 9 and 9.

11 is a self-support mechanism, as shown in FIG. 1, is mounted on the vehicle body frame 2 of the wheelchair 1, the body M ₁ of the user M during attitude change of the user M between the seating state T and upright state K Is configured to be able to hold.

In this case, as the self-supporting support mechanism 11, as shown in FIGS. 1, 4, and 5, a gate-shaped support frame 12 is erected on the vehicle body frame 2, and a support plate 13 is interposed at the center of the support frame 12. A tubular support rod 14 is erected, and the outer peripheral surface of the vertical flange portion 15a of the tubular holding rod 15 is slidably inserted into the inner peripheral surface of the support rod 14, and the holding rod 15 can be moved up and down on the support rod 14. to provided, the vertical rod portions 15a and mounting fixture 16 for mounting on the body _{M 1} of the user M to the horizontal rod portions 15b of the horizontal rod portion L-shaped retaining rod 15 consisting 15b provided, the mounting fixture 16 hanging strap portion 16a and consists annular body holding portion 16b which engages the body M _1, attached to the lower shaped hanging the hanging strap portion 16a of mounting fixture 16 in a horizontal rod portions 15b of the holding rod 15, vertically moving the holding rod 15 on the support frame 12 A vertical movement mechanism 17 is provided.

  In this case, as the vertical movement mechanism 17, as shown in FIG. 5, a handwheel handle 19 is provided on the support frame 12 via a support plate 13 and a support piece 18 so as to be rotatable by a rotary shaft 20. A shaft 21 is rotatably provided by a bearing 22, a nut body 23 that is screwed onto the screw shaft 21 is provided on the holding rod 15, a stop mechanism 24 that can stop the holding rod 15 is provided, and the handwheel handle A gear mechanism 25 including gears 25 a and 25 b that transmit the rotation of 19 to the screw shaft 21 is provided.

  In this case, as shown in FIGS. 4 and 5, as the rotation stop mechanism 24, a rotation stop pin 24 a protrudes from the holding rod 15, and a guide groove 24 b in which the rotation stop pin 24 a can slide is formed in the support rod 14. The holding rod 15 is formed to have a length corresponding to the vertical movement distance, and the holding rod 15 is configured to be movable up and down in a locked state by engaging and sliding between the locking pin 24a and the guide groove 24b.

Since this embodiment has the above-described configuration, for example, when a toilet is used, the user M is between the sitting state T and the standing state K from the wheelchair 1 to the toilet or from the toilet to the wheelchair 1. in will be altered in attitude, when the posture changes, as from Figure 6 in FIG. 7, the self-support mechanism 11 can hold the body M ₁ of the user M, the user M is standing and sitting state T The posture can be easily changed between the state K, or the caregiver P who cares for the user M of the wheelchair 1 can easily change the posture of the user M between the sitting state T and the standing state K. It is possible to promote the independence of the user M of the wheelchair 1, or the caregiver's care effort can be reduced, and the convenience of using the wheelchair 1 can be improved.

In this case, as the self-supporting support mechanism 11, a support frame 12 is erected on the vehicle body frame 2, a support rod 14 is erected on the support frame 12, and a holding rod 15 is provided on the support rod 14 so as to be movable up and down. Since the mounting tool 16 to be mounted on the body M _{1 of the} user M is provided on the heel 15 and the vertical movement mechanism 17 for moving the holding heel 15 up and down is provided on the support frame 12, the body M of the user M is mounted on the mounting tool 16. ₁ is mounted, it is possible to hold the body M ₁ of the user M with mounting fixture 16 by raising the holding rod 15 by the vertical movement mechanism 17 from the solid line position to the phantom line position in FIG. 1, or, 1 The body M _{1 of the} user M can be held by the wearing tool 16 by lowering the holding rod 15 by the vertical movement mechanism 17 from the imaginary position to the solid line position, and between the sitting state T and the standing state K Can assist user M in changing posture, The user M of the child 1 can be encouraged to stand alone, or the caregiver's care work can be reduced. In this case, as the vertical movement mechanism 17, the support frame 12 has a handwheel handle 19. The support shaft 14 is provided with a screw shaft 21 standing upright, the holding rod 15 is provided with a nut body 23 that is screwed onto the screw shaft 21, and the holding rod 15 can be rotated. Since the gear mechanism 25 for transmitting the rotation of the handwheel handle 19 to the screw shaft 21 is provided, when the handwheel handle 19 is rotated forward and backward, the gear mechanism 25, the screw shaft 21 and the nut body 23 are screwed together and stopped. The mounting tool 16 can be moved up and down by the mechanism 24 via the holding rod 15, and the structure can be simplified.

  In this case, the front wheel 7 is provided at the front portion of the vehicle body frame 2 so as to be able to be pulled out in the traveling direction, and the rear wheel 10 is provided at the rear portion of the vehicle body frame 1. 2 can be stably placed, and the front wheel 7 can be stored during traveling, and the body frame 2 can be installed more stably by pulling out the front wheel 7 when the mounting tool 16 is used. , Can increase the safety of use.

  The present invention is not limited to the above embodiment, and the structure, form, material, and the like of the wheelchair 1, the self-supporting support mechanism 11, the wearing tool 16, the vertical movement mechanism 17, and the rotation stop mechanism 24 are appropriately changed. For example, as the vertical movement mechanism 17, an electric mechanism using an electric motor or a cylinder mechanism using hydraulic pressure, pneumatic pressure, or an electric cylinder can be adopted.

  As described above, the intended purpose can be sufficiently achieved.

T Seated state K Standing state M User M ₁ Body 1 Wheelchair 2 Car body frame 7 Front wheel 10 Rear wheel 11 Self-supporting support mechanism 12 Support frame 14 Support rod 15 Holding rod 16 Mounting tool 17 Vertical motion mechanism 19 Manual handle 21 Screw shaft 23 Nut body 24 Stop mechanism 25 Gear mechanism

Claims (5)

  A self-supporting support device for a wheelchair comprising a self-supporting support mechanism that is mounted on a vehicle body frame of a wheelchair and that can hold the user's body when the posture of the user is changed between a sitting state and a standing state.   As the self-supporting support mechanism, a support frame is erected on the vehicle body frame, a support rod is erected on the support frame, and a holding rod is provided on the support rod so as to be movable up and down. The wheelchair self-supporting apparatus according to claim 1, wherein a mounting tool to be mounted is provided, and a vertical movement mechanism for moving the holding rod up and down is provided on the support frame.   As the vertical movement mechanism, a handwheel handle is provided on the support frame, a screw shaft is erected on the support rod, and a nut body that is screwed on the screw shaft is provided on the holding rod, so that the holding rod can be rotated. The wheelchair self-supporting apparatus according to claim 1 or 2, further comprising a rotation stopping mechanism and a gear mechanism that transmits the rotation of the handwheel handle to the screw shaft.   4. The wheelchair according to claim 1, wherein a front wheel is provided at a front portion of the vehicle body frame so that the front wheel can be pulled out in a traveling direction, and a rear wheel is provided at a rear portion of the vehicle body frame. Independence support device.   The wheelchair provided with the independence assistance apparatus for wheelchairs of any one of the said Claims 1-4.