JPH0966082A - Walk helping device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To effectively help the standing and walking motions of a user by providing a supporting member supported by the supporting part of a traveling member slidably in a vertical direction for supporting the user and a driving member for selectively moving the supporting member in the vertical direction. SOLUTION: At the time of using this walk helping device, the user holds the respective extended parts 19a of the supporting member 19 moved to a lower limit position by a movable member 11 under arms and grasps and operates one of operation handles 21a in a sitting state. Then, an electric motor 17 is driven in a prescribed direction, the movable member 11 is moved upwards to the supporting part 7 by a feed screw 15 to be rotated by that and the user is raised by the supporting member 19 and made to stand up. 'The, after the user is made to stand up to the position capable of grasping the respective extended parts 19a, the grasping operation of the operation handle 21a is interrupted, the upward movement of the movable member 11 is stopped and walking is performed by moving the traveling member 3 while grasping the respective extended parts 19a in the state.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a walking assistance device that assists a user to stand up and walk.

[0002]

2. Description of the Related Art A crutch is generally known as a device for preventing the weight from being applied to the foot and facilitating walking when the foot is injured, for example.

The crutches with the upper end under the armpits prevent the weight from being applied to the legs and the burden on the legs, thus facilitating gait. I had to. For this reason, it was necessary to prepare crutches of a length suitable for various heights.

Further, in order to stand up by using this crutch, it is necessary to apply a force of more than the weight to the crutch, but when the foot or the like is injured, the physical strength is weak, so it is easy. I couldn't stand up.

The present invention has been invented to solve the above-mentioned conventional problems, and its object is to assist standing up and walking without much labor. Another object of the present invention is to provide a walking assist device whose height can be easily adjusted according to the height of the user.

[0006]

Therefore, according to the present invention, a traveling member having traveling wheels provided on at least three places on the bottom surface and a supporting portion on the upper surface, and a supporting member of the traveling member in a vertical direction are provided. It is composed of a support member that is slidably supported and supports the user, and a drive member that selectively moves the support member in the vertical direction with respect to the traveling member. When the seated user stands up, the vehicle travels. The user is lifted to stand up by driving the driving member to move the support member to the upper position while leaning on the support member that has moved to the lower position with respect to the member. Further, the support member is moved to a position that matches the height of the user to adjust the height, and the running member travels in a desired direction while leaning on the support member to assist walking.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 is an overall perspective view of a walking assist device.

FIG. 2 is a vertical sectional view taken along the line II-II of FIG.

The running member 3 of the walking assist device 1 is connected at one end at a predetermined interval, and a plane having an extending portion 5 extending rearward in parallel at a predetermined interval is substantially U. Each of the extending portions 5 includes a traveling frame 5 having a V shape and a substantially cylindrical supporting portion 7 attached to the upper surface of the connecting portion.
The traveling wheels 9 are attached to the rear part of the a and the lower surface of the connecting portion, respectively. Each traveling wheel 9 is constructed by attaching wheels 9b to a holder 9a which is rotatably supported on the lower surface of the traveling frame 5. The traveling wheels 9 attached to the lower surface of the rear portion of each extending portion 5a may be fixedly attached so as to face a direction corresponding to the traveling direction of the walking auxiliary equipment 1.
Further, the traveling wheels 9 may have a four-wheel structure in which two traveling wheels 9 are mounted on each of the front and rear sides in the traveling direction.

A movable member 11 is slidably supported in the supporting portion 7 in the vertical direction. The support structure of the movable member 11 with respect to the support portion 7 is a structure in which a rail (not shown) is attached to the support portion 7 or the movable member 11 and the movable member 11 or the support portion 7 is movably supported on the rail. May be.

A nut member 13 forming a part of a driving member is attached to the lower end of the movable member 11, and the nut member 13 has an axis line in the vertical direction and is rotatably supported by the traveling frame 5. The feed screw 15 forming a part of the driving member is meshed. An electric motor 17 constituting a part of a driving member mounted in the traveling frame 5 is connected to a lower portion of the feed screw 15, and the electric motor 17
The movable member 11 is moved in the up-down direction by rotating the feed screw 15 in the forward and reverse directions in accordance with the driving. The connecting structure of the feed screw 15 and the electric motor 17 is a structure in which the electric motor 17 is directly connected to the feed screw 15, or a structure in which it is connected via a speed change mechanism composed of gears or the like combined based on a required torque and movement amount, or electric. Any structure may be used in which the motor 17 and the end of the feed screw 15 are connected by a chain and a sprocket.

An extending portion 19a of the support member 19 is attached to the upper surface of the movable member 11 so as to extend rearward substantially in parallel with the extending portion 5a. The support member 19 may be of a handle type or a frame structure, one end of which is fixed to the side of the movable member 11 and extends rearward substantially parallel to the extending portion 5a.

Operation handles 21a and 21b are attached to the respective extending portions 19a of the support member 19, and when one of the operation handles 21a is operated to be gripped, the electric motor 17 moves the movable member 11 upward with respect to the support portion 7. When the other operation handle 21b is gripped, the electric motor 17 is driven with respect to the support portion 7 so as to move the movable member 11 downward. The two operation handles 21a and 21b may be attached to one of the extending portions 19a.

Next, a method of using the walking assist device 1 will be described.

FIG. 3 is a vertical sectional view showing a moving state of the movable member.

The user grips one of the operating handles 21a while sandwiching his / her side in each extending portion 19a of the support member 19 in which the movable member 11 has moved to the lower limit position with respect to the support portion 7 in a sitting state. Then, when the electric motor 17 is driven in a predetermined direction, the movable member 11 is moved upward with respect to the support portion 7 by the feed screw 15 that rotates in a desired direction. As a result, the user is lifted by the support member 19 that moves upward and stands up.

When the user stands up to a position where each extension 19a can be gripped, the user interrupts the gripping operation of the operating handle 21a and stops the upward movement of the movable member 11.

In this state, the user can walk while moving the traveling member 3 in a desired direction while gripping each of the extending portions 19a. At this time, since the user is supported by the support member 19, it is possible to reduce the burden of weight or the like on the foot or the like and facilitate walking. Further, at least the traveling wheel 9 on the lower surface of the connecting portion 5b of the traveling frame 5 is rotatably attached in any direction, so that the walking assist device 1 can be easily changed in direction to the forward direction or the lateral direction. be able to.

When the height of the walking assist device 1 does not match the height of the user when standing up or walking, the operation handle 21a or the operation handle 21b is selectively gripped to move the movable member 11 upward or upward. The height can be adjusted by moving it downward.

When the walking assist device 1 is used in a hospital, a stand may be detachably attached to a part of the traveling frame 5. In this case, a drip bag can be attached to the stand to assist walking while instilling.

Further, by providing the traveling wheel 9 with the braking mechanism and the supporting member 19 with the braking operation lever, it is possible to prevent the traveling member 3 from traveling at the time of standing up and to travel at any time during walking. Can be stopped.

Further, the shapes of the traveling member 3 and the supporting member 19 are not limited to those described above, and may be, for example, a substantially round shape with a part of the outer circumference cut out. 7 and the movable member 11 may have a cylindrical shape or substantially the same shape as the support member 19. In FIG. 4, three supporting portions 41 having a substantially cylindrical shape are provided on the upper surface of the traveling member 3, and a substantially circular supporting member 45 is attached to a movable member 43 supported in the supporting portion 41 so as to be movable in the vertical direction. The walking assist device 51 is configured such that the support member 45 is movable in the up-and-down direction with the rotation of the feed screw 47 that is mounted and provided in each support portion 41 and that meshes with the nut member 49 of the movable member 43. Good. In this case, each feed screw 4
7 may be connected to a single electric motor by a belt or the like to rotate synchronously, or an electric motor may be connected to each of the feed screws 47 to perform synchronous drive control. Even in the above case, it goes without saying that one feed screw 47 may be used to move the support member 45 up and down.

[0024]

As described above, according to the present invention, it is possible to assist standing up and walking without much labor, and the height can be easily adjusted according to the height of the user. it can.

[Brief description of drawings]

FIG. 1 is an overall perspective view of a walking assistance device.

FIG. 2 is a vertical sectional view taken along the line II-II in FIG.

FIG. 3 is a vertical sectional view showing a moving state of a movable member.

FIG. 4 is a partially cutaway perspective view showing another embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Walking assistance device 1 3 Running member 7 Support part 9 Running wheel 13 Nut member which comprises a part of drive member 15 Feed screw which comprises a part of drive member 17 Electric motor which comprises a part of drive member 19 Support member

Claims (7)

[Claims] 1. A traveling member having traveling wheels provided on at least three places on a bottom surface and a supporting portion on an upper surface, and a traveling member supported by the supporting portion of the traveling member so as to be slidable in a vertical direction. The support member includes a supporting member and a driving member that selectively moves the supporting member in the vertical direction with respect to the traveling member, and is driven while leaning on the supporting member that has moved to a lower position with respect to the traveling member. The driving member moves the support member to an upper position to stand up the user, and the traveling member is run while the support member is moved to a height corresponding to the height of the user to assist the user in walking. Walking aid. 2. The electric motor according to claim 1, wherein the driving member is attached to the feed screw having an axis in the vertical direction and the movable member, and the nut member engaged with the feed screw and the feed screw are rotated in the forward and reverse directions. A walking aid consisting of. 3. The walking assist device according to claim 1, wherein each traveling wheel is rotatably supported by a holder rotatably supported on a bottom surface of a traveling member. 4. The walking assist according to claim 1, wherein the traveling wheel located forward of the traveling direction is rotatably supported with respect to the traveling direction and the traveling wheel located rearward of the traveling direction is non-rotatably provided. apparatus. 5. The walking assist device according to claim 2, wherein the feed screw and the electric motor are connected via a speed change mechanism. 6. The walking assist device according to claim 5, wherein the speed change mechanism is a gear. 7. The walking assist device according to claim 5, wherein the speed change mechanism includes a sprocket and a chain.