KR20200012357A - Apparatus for walking assistance - Google Patents

Abstract

The present invention relates to a retractable wheel type walking aid and, more specifically, to a retractable wheel type walking aid which comprises: a fixed pipe (10) installed in a vertical direction in the left and right sides of the rear side of a frame (2); a cover (20) installed in the lower part of the fixed pipe and having wheels capable of being inserted thereinto; a moving tube (30) ascending and descending in the fixed pipe and having a wheel shaft-installed in the lower part; a spring means (40) elastically connecting a brake lever and a brake pad; and an operation control means (50) stopping an operation by elastically inserting wheels into the cover with the weight of itself or pressing a handle by a release of the fixed state of the moving pipe and a braking operation by the brake pad while the spring means ascends by pulling the brake lever. The present invention: is able to definitely prevent movement even in a case of the elderly or patients with weak muscular strength of arms since the bottom of a cover, not a wheel, comes in contact with the ground surface and stops an operation by elastically inserting wheels into the cover as well as operating the brake of the wheels; and greatly improves the safety of use especially by safely stopping an operation not only in an area of a horizontal ground but also in an inclined area.

Description

Apparatus for walking assistance

The present invention relates to a walking aid, and more particularly, by pulling and adjusting the brake lever, as well as brake operation of the wheels, the wheels can be settled inside the cover, and thus the stop operation is performed while the bottom of the cover is not in contact with the ground. The present invention relates to a wheel pedestrian walking aid that can prevent movement and more stable stop operation.

In general, in the elderly or patients who have difficulty walking on both legs, the walking aid is assisted in walking.

Conventional walking aids are mainly manufactured in the form of a rod, the user to hold it by hand to support the floor or move it while walking, which is formed in the form of a rod is not easy to support or lift the floor operation, in particular the strength of the arm In the case of these weak people there was a difficult problem to use.

In order to solve this problem, a walking aid for moving to a rolling operation using wheels has been disclosed in a number of forms, which form wheels in front, rear or front or rear positions on both sides of the lower part of the frame, and on the upper part of the rear of the frame. The handle was provided so that the user could grab the handle and walk while moving simply by rolling the wheel.

When the walking assistance device is to be stopped, the brake pad is stopped by pressing the wheel by pressing the brake lever of the lower part of the handle.

However, the above-mentioned conventional walking aids may not be able to maintain the pull operation of the brake lever when the arm strength of the elderly or the patient is weak, and the pressurization of the wheel by the brake pad may be loosened, and in this case, the rolling operation of the wheel may be surely prevented. There was a problem that can not be continued to stop operation.

In particular, even when maintaining the pulling operation of the brake lever to prevent rolling of the wheels, even if the ground is slippery or inclined, the walking aid slides forward and in this case the elderly or the patient of the walking aid Safety accidents that often caused the body to fall forward as it was unable to move in line with movement.

In addition, when the ground is an inclined area, it may not be able to maintain the pulling operation of the brake lever well, and in this case, the walking assistance device causes a variety of safety accidents while rolling, and thus there is a problem in that the safety of use is greatly reduced.

Korean Laid-open Patent No. 10-2014-0075480 (June 19, 2014) Korean Utility Model Registration No. 20-0456241 (October 13, 2011)

The present invention has been invented to solve the above-mentioned problems of the prior art, the brake operation of the wheel by the adjustment of the brake lever can be put out of the wheel as well as the operation of the wheel inside the cover so that the bottom of the cover is not in contact with the ground The purpose of this is to make the stop operation more stable by preventing the movement.

The present invention is configured to stop the brake pads by pressing the wheel by the rolling operation by the wheels installed in the front and rear positions of both sides of the lower frame and the brake lever pull operation of the lower portion of the handle horizontally installed on the upper rear of the frame, A fixed tube installed vertically on the rear left and right sides of the frame, a cover fixedly installed at the lower portion of the fixed tube, and having an opening formed at a lower portion to shed the wheel inwardly, and being inserted into the fixed tube so as to move up and down, wherein the wheel is axially installed at the lower end thereof. Spring means for connecting the moving tube, the brake lever and the brake pads up and down, and the spring means is raised by the pulling of the brake lever, the braking operation by the brake pads and pressing the handle by itself Shovel the bullet into the cover inside the wheel by weight As there is a characteristic that as the cover bottom is configured as an operation control means for step-by-step performs a stopping operation in contact with the ground.

According to the present invention, the operation control means separates the spring means into upper and lower springs, and connects the upper and lower portions of the cam operation tool having an inclined surface to the upper one side between the upper and lower springs, and the slide tube includes a slide tube in the transverse direction. By inserting the slide into the slide tube is inserted into the pin hole of the fixed tube is inserted into the pin hole in the inside of the slide tube, the cam operating port is inserted into the through hole of the slide tube and the long hole of the slide pull pull operation of the brake lever It is characterized in that the projecting pin is released from the pin hole by the cam operation of the slide by the cam actuating opening to release the moving tube.

According to the present invention, the operation control means is connected to one side of the rotary operation mechanism which is coupled to the shaft rotationally axially rotated by a hinge shaft between the upper and lower springs by separating the spring means into upper and lower springs, The upper end of the slide hole is inserted into the slide hole in the slide hole to be inserted into the slide back and forth, the shaft pin of the slide is inserted into the upper and lower holes formed on the other side of the rotary operation mechanism by the spring means during the pull operation of the brake lever It is characterized in that the slide tip is released from the pin hole by the rotary operation of the rotary operating mechanism to release the moving tube.

According to the present invention, one side of the leaf spring is fixedly installed at the rear of the slide tube, and the other free end of the leaf spring elastically supports the rear of the slide so that the slide moves backwards by the cam operation when the cam is moved up. After that, it is characterized in that it is configured to move forward elastically when the cam operation port is lowered.

According to the present invention, the fixed pipe is inserted into the guide pin in the transverse direction, and the guide pipe is guided up and down guided by the guide tube to form a guide pin guide hole for preventing the moving tube is separated from the lower configuration There is this.

The present invention is a fixed tube installed up and down in the rear left and right of the frame, the cover is installed in the lower portion of the fixed tube and the wheel is inserted, the moving tube is lowered in the fixed tube and the wheel is installed in the lower shaft, brake lever and brake pad Spring means for elastically connecting the spring means, and the spring means is raised by pulling the brake lever, while pressing the handle by the braking operation by the brake pad and releasing the moving tube, or inserting the wheel into the cover with its own weight. The stop control function prevents movement of the brakes of the wheels as well as inserting the wheels into the cover to stop the movement of the old man or a patient with weak arm strength because the bottom of the cover is not in contact with the ground. Especially on the ground level, It can operate safely stopped even in areas that make a company would have the effect of greatly improving the use of safety.

In addition, by lifting up the handle, the moving tube is returned to the original position and fixed again, and the wheel is protruded under the cover, and thus the brake release operation is simple, so that the use convenience is excellent.

1 is a side view showing the device of the present invention.
2 is a rear view of the apparatus of the present invention.
3 is a cross-sectional view showing a main portion of the device of the present invention.
4 is an enlarged view illustrating main parts of FIG. 3;
5 and 6 are cross-sectional views showing the operating state of FIG.
7 is a sectional view showing a main portion of the configuration of another embodiment of the present invention.
8 is an enlarged view of a portion “A” of FIG. 7;
9 and 10 are main cross-sectional views showing the operating state of FIG.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

As shown in FIGS. 1 to 5, the wheel running type walking assistance device 100 according to the present invention has a rolling operation by the wheels 3 and 4 installed at the front and rear positions on both sides of the lower part of the frame 2, and the upper part of the rear of the frame. The brake pad 7 is configured to press the wheels 4 to stop and operate by pulling the brake lever 6 at the lower part of the handle 5 installed horizontally.

In particular, the present invention is a fixed tube 10 which is installed up and down on the rear left and right of the frame 2, the cover 20 is fixed to the lower portion of the fixed tube and to form an opening to shed the wheel 4 to the inside and Is inserted into the fixed tube so as to be able to move up and down, the movement pipe 30, the wheel 4 is installed at the lower end of the shaft, and the spring means (40) for connecting the brake lever 6 and the brake pad (7) up and down And, the spring means 40 is raised by pulling the brake lever 6, the braking operation by the brake pad 7, and by pressing the handle by the release of the fixing of the moving tube 30, or the wheel 4 by its own weight ) Is inserted into the cover 20 and is configured as an operation control means 50 for performing the stop operation in which the bottom of the cover contacts the ground.

Here, the operation control means 50 is to separate the spring means into upper and lower springs 41 and 42, the upper and lower portions of the cam operating port 51 having an inclined surface 52 to the upper one side between the upper and lower springs. Respectively connecting the slide tube 53 in the transverse direction to the moving tube to insert a slide 55 into which the protruding pin 54 of the tip is inserted into the pin hole 12 of the fixed tube in the slide tube. The cam operating port 51 is inserted into the through hole 53a of the slide tube and the long hole 55a of the slide up and down to protrude by the cam operation of the slide by the cam operating tool when the brake lever 6 is pulled. The pin 54 is configured to shed the wheel into the cover while releasing the moving tube 30 while leaving the pin hole 12.

The through-hole 53a of the slide tube is formed to penetrate the upper portion of the cam operation port 51 so as to simply insert the upper portion thereof, and the lower portion thereof in the inclined surface direction such that the inclined surface 52 of the cam operation port actuates the slide 55. It is constructed to be incised.

In addition, one side of the leaf spring (57) is fixedly installed at the rear of the slide tube (53), and the other free end of the leaf spring is elastically supporting the rear of the slide (55) so that the slide can be used for cam operation when the cam operation tool is raised. After moving backwards responsibly, it is configured to move forward spontaneously when the cam operating port descends.

In addition, the guide tube 15 is inserted and coupled to the fixed tube 10 in the transverse direction, and the guide pin 15 is guided up and down guided to the moving tube 30 to prevent the moving tube from being separated downward. It is configured to form the guide hole (33).

The cover 20 is formed in a circular shape such as a wheel and is configured to secure a space in which the wheel 4 can run, and the bottom forms a horizontal portion 22 that can be supported on the ground. Combining the support cap 28 of the rubber material along the rim is configured to be in close contact with the ground by the support cap.

On the other hand, the operation control means 50 of the present invention can be implemented differently as shown in Figs. It separates the spring means into the upper and lower springs 41 and 42 and connects one side of the rotational actuating member 61 which is axially rotatably coupled to the hinge shaft 62 by the center between the upper and lower springs. The upper and lower holes formed on the other side of the rotary operation hole 61 are inserted into the slide hole 65 so that the slide 66 inserted into the pin hole 12 ′ of the fixed tube can be slidably moved forward and backward. The shaft pin 66a of the slide is inserted in the 61a to fix the moving tube 30 while the tip of the slide is released from the pin hole 12 'by the rotational operation of the rotary operation tool by the spring means when the brake lever 6 is pulled. It is configured to release.

At this time, the hook of the wire connecting the upper, lower spring is supported by the through hole on one side of the rotary operating port 61 is configured to rotate the rotary operating port or to connect the wire between the upper, lower spring Connected to one side of the rotary actuator can be configured to rotate the rotary actuator.

In addition, the present invention, the seat portion 2a of the frame 2, as shown in the drawing is formed in a foldable structure to enable folding the walking aid device of the present invention to a minimum volume when carrying, the seat portion By configuring a separate seat 8 to allow the user to sit and rest, of course, it is also applicable to the structure without the seat portion (2a).

Next will be described the operation and action of the present invention configured as described above.

The walking aid device 100 of the present invention is used for the rolling operation of the wheels (3) (4), which are located in the front and rear of both sides of the lower part of the frame by the elderly or patients having difficulty walking with both legs holding the handle (5) in the upper rear of the frame. It will help you walk while moving easily.

In this case, the brake lever 6 located in the lower part of the handle 5 is pulled and operated when the movement is to be stopped.

In this manner, the brake lever 6 is pulled by the brake pad 7 and the wheel 4 is inserted into the cover 20 by the pulling operation of the brake lever 6 so that the stop operation in which the bottom of the cover, not the wheel, contacts the ground is performed step by step. Will be done.

Specifically, when the user initially pulls the brake lever 6, the brake pads 7 press the wheels 4 while the first and second springs 41 and 42 are lifted upward. It will stop by brake operation.

When the brake lever 6 continues to be pulled, the cam actuating port 51 connecting the first and second springs 41 and 42 rises together while the inclined surface 52 of the upper side of the cam actuating port is raised. The slide 55 in the slide tube 53 is retracted by cam operation to disengage the protruding pin 54 of the slide tip from the pin hole 12 of the fixed tube.

That is, the movable tube 30 is released.

When the movable tube 30 is released in this manner, the user presses the handle 5 or the frame 2 or the movable tube 30 compresses the spring means 40 by its own weight of the walking aid 100. It will be lifted inside the fixed tube.

At the same time, the wheel 4 is installed in the lower portion of the moving tube is inserted into the cover 20, the horizontal portion 22 of the bottom of the cover instead of the wheel 4 is in contact with the ground to stop the operation.

As such, in the state where the bottom of the cover 20 is not in contact with the ground and stopped in contact with the ground, the wheel 4 is inserted into the cover 20 even if the user releases the pull operation of the brake lever 6. Therefore, even if the elderly or patients lacking muscle strength to maintain a stable state, the ground will remain stable even in a horizontal as well as inclined areas.

In addition, the support 22 of the rubber material is coupled to the horizontal portion 22 of the bottom of the cover 20 along the rim so that the support cap is brought into close contact with the ground and stops, thus sliding or inclining the ground. Regardless of whether or not it is more stable.

When the user wants to move again in such a stopped state, the user lifts the handle 5 so that the first and second springs 41 and 42 of the spring means are shot back and the brake pad 7 The pressurization of the wheel 4 is released and the brake operation is released. And as the movable tube 30 is lowered to the lower fixed tube 10, the slide 55 inside the slide tube 53 is moved forward by the spring force 57 of the leaf spring (53) behind the slide tube (53) protruding pin of the tip Since the 54 is inserted into the pin hole 12 of the fixed tube is to fix the moving tube (30).

At the same time, the wheel 4 of the lower part of the moving tube protrudes back to the lower part of the cover 40 to operate the cloud.

At this time, the guide pin 15 is axially coupled to the moving tube 30 in the guide pin insertion hole 13 of the fixed tube 10 is guided, the guide pin 15 is guide pin insertion hole ( While supporting the upper end of the 13) is to prevent the moving tube 30 is separated from the lower fixed tube (10).

On the other hand, the present invention in the embodiment of Figures 7 to 10, by the brake pad (7) while pulling the brake lever 6 located below the handle (5) for the stop operation in the same manner as the embodiment described above The stop is to work.

If the brake lever 6 continues to be pulled, the first and second springs 41 and 42 are lifted and the rotary actuator 61 rotates about the hinge shaft 62 to rotate the rotary actuator. Since the slide 66 in which the shaft pin 66a is inserted into the upper and lower long holes 61a on one side is moved backward in the slide hole 65, the tip is separated from the pin hole 12 'of the fixed tube.

That is, the movable tube 30 is released.

As described above, when the movable tube 30 is released, the user presses the handle or moves the tube 30 by the weight of the walking aid to compress the spring means 40 and ascends the inside of the fixed tube. ) Is inserted into the cover 20 so that the bottom of the cover (not the wheel 4) comes into contact with the ground and stops operation. Therefore, even when the elderly or the patient lacks strength, the stop state is stably maintained. It is to maintain a stable state even in the slope area.

When the user wants to move again in such a stop state, as the user lifts the handle 5, the first and second springs 41 and 42 of the spring means are shot back and the brake pad ( 7) by pressing the wheel 4 by the release is released, the brake operation is released, the moving pipe 30 is fixed down while lowering the lower fixed pipe 10 and the wheel 4 protrudes under the cover 40 to roll operation It will be done.

Therefore, the wheel wandering walking aid of the present invention can not only the brake operation of the wheel by the user to adjust the brake lever, but also can wander the wheel into the cover, so that the bottom of the cover instead of the wheel touches the ground and stops operation. This prevents movement, allowing safer stop operation in sloped areas as well as in horizontal areas.

2: frame 3, 4: wheels
5: handle 6: brake lever
7: brake pad 10: fixed tube
12,12 ': Pin hole 13: Guide pin insert hole
15: guide pin 20: cover
21: opening hole 30: moving tube
33: guide pin guide hole 40: spring means
41, 42: upper and lower spring 50: operation control means
51: cam operating port 52: inclined surface
53: slide tube 53a: through hole
54: protrusion pin 55: slide
55a: long hole 57: leaf spring
61: rotary actuator 61a: vertical hole
62: hinge axis 65: slide hole portion
66: Slide 66a: Shaft Pin

Claims (6)

Brake pads (7) by rolling operation by wheels (3) (4) installed in the front and rear positions on both sides of the lower part of the frame (2) and by pulling the brake lever (6) below the handle (5) installed horizontally on the upper part of the frame. In the walking assistance device in which the pressurizes the wheel 4 and stops,
Fixing tube 10 is installed up and down in the rear left and right of the frame 2,
A cover 20 fixedly installed at a lower portion of the fixed tube and forming an opening to shed the wheel 4 inwardly;
A movable pipe 30 inserted into the fixed tube so as to be lifted and lowered, and the wheel 4 being axially installed at a lower end thereof;
A spring means (40) for coupling the brake lever (6) and the brake pad (7) upward and downward;
As the spring means 40 is raised by pulling the brake lever 6, the braking operation by the brake pad 7 and the fixing of the movable tube 30 are pushed or the wheel 4 is pressed by its own weight. Wheel insertion type walk assistance device, characterized in that consisting of a control unit 50 is inserted into the cover 20 to perform a stop operation in which the cover bottom is in contact with the ground step by step.
The method of claim 1,
The operation control means 50 separates the spring means into upper and lower springs 41 and 42 so that the upper and lower portions of the cam operating port 51 having the inclined surface 52 toward the upper one side between the upper and lower springs, respectively. Connect,
The slide tube 53 is installed in the movable tube in the transverse direction to insert the slide 55 into which the protruding pin 54 of the tip is inserted into the pin hole 12 of the fixed tube in the slide tube. (51) is inserted into the through hole (53a) of the slide tube and the long hole (55a) of the slide up and down so that the projection pin (54) by the cam operation of the slide by the cam operating mechanism during the pulling operation of the brake lever (6) Wheel wandering walking aids, characterized in that configured to release the fixed to the moving tube 30 while leaving the pin ball (12).
The method of claim 2,
One side of the leaf spring 57 is fixedly installed at the rear of the slide tube 53, and the other free end of the leaf spring is elastically supporting the rear of the slide 55 so that the slide is shot by the cam operation when the cam operation tool is raised. Wheel retracting walking aid device, characterized in that configured to move forward resiliently when the original position of the cam operating port after moving backwards.
The method of claim 1,
The operation control means 50 is the rotation means for separating the spring means by the upper and lower springs (41, 42) and the shaft is rotatably coupled to the center of the hinge shaft 62 between the upper and lower springs ( 61) through one side of the connection,
An upper and lower long hole 61a formed at the other side of the rotary operation hole 61 is inserted into the slide hole 65 so that the slide 66 inserted into the pin hole 12 ′ of the fixed tube can be slidably moved forward and backward. Axial pin (66a) of the slide is inserted into the slide so that the slide end is released from the pin hole (12 ') by the rotation operation of the rotational operation by the spring means during the pulling operation of the brake lever (6) to release the moving tube (30) Wheel wandering walking aid, characterized in that configured.
The method according to any one of claims 1, 2 or 4,
Guide pin 15 is inserted into the fixed pipe 10 in the transverse direction, the guide pin 15 guides the guide pin 15 is guided up and down to the moving pipe 30 to prevent the moving pipe from being separated downward Wheel walking type walk aids, characterized in that configured to form (33).
The method according to any one of claims 1, 2 or 4,
The lower end of the cover 20 is inserted and coupled to the support cap 28 along the rim to support the wandering walking aid device, characterized in that the support cap is configured to support while in contact with the ground.

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