KR102026786B1 - Foldimg device for walking assistant car - Google Patents

Abstract

The present invention relates to a folding device of a pedestrian assisting vehicle that can fold a pedestrian assisted vehicle when using a transport or storage, and improves the structure of an elderly (elderly) person using weak means of transport or when storing The pedestrian assistance car can be easily folded and carried.
To this end, the present invention is the first support between the shaft support hole 11 and the stopper pin through hole 12 is formed 10, and the first support inter-pass groove 31 through which the first support 10 is passed. ) Is formed to face to both sides, the shaft through hole 32 through which the shaft 70 passes, is formed in the center, the main body having a stopper pin through hole 33 is formed on both sides of the shaft through hole 32 ( 30 and the stopper pins 41 fitted into the respective stopper pin through holes 33 formed in the main body 30 are fixed to protrude, and coupling holes 42 fitted to the guide rods 63 in the orthogonal direction. First and second locking holes 22 to which the formed stopper 40 and the axial passage hole 21 and the stopper pin 41 which correspond to the axial passage hole 11 formed in the first support section 10 are caught. 23 is formed, the upper support is opened so that the stopper 40 and the stopper 40 is fitted, the lower portion is formed with a connecting piece 51 has a stopper insertion groove 52, the front handle 53 is Formed The eastern member 50 and the first support interpass groove 61 coinciding with the first support interpass groove 31 formed in the main body 30 are formed, and through the center, the handle 53 is exposed to the outside. A cover 60 having a guide rod 63 to which an elastic member 80 is fitted is formed on an inner side and a lower portion of the cover 60, and the first support portion 10, the main body 30, and the second support portion. A plurality of screws integrating the shaft 70 and the nut 71 fastened through the shaft through holes 11, 21, 32 formed in the 20, and the body 30 and the cover 60 ( 72 and the first support member 10 is fixed to the rear side of the second support member 20 so that the first support member 10 is caught by the locking piece 24 while the first and second support members 10 and 20 are unfolded. Characterized in that it consists of a locking piece 24 to limit the spread.

Description

Foldimg device for walking assistant car

The present invention relates to a walking assistance vehicle that assists the walking of the elderly or disabled, and more particularly, to a folding device of a walking assistance vehicle that can fold the walking assistance vehicle by using a transportation means or storage.

Recently, due to the development of medical development, economic development, change of consciousness structure, lower birth rate and extended life expectancy, Korea also has increased the participation of disabled people in social activities and Aging society. People with disabilities and the elderly can easily meet on the street, and most of them use walking aids such as walking sticks or wheelchairs to overcome the inconvenience of behavior caused by disease or aging.
The walking aid equipment (A walking auxiliary equipment) is a general name for the equipment used to help those who are uncomfortable with movement, the body lost due to premature and acquired malformations, paralysis and deterioration of the arms and legs or spine due to various diseases or accidents It is one of the medical devices that enables self-walking in place of active muscle strength.
Such walking aids are known in various types, such as lower limbs (Artificial leg, foot) worn on a specific part of the body, wheelchair (wheel chair) to drive directly, and a cart-type rolling walker to rely on the upper body have.
Among these, the rolling walker (hereinafter referred to as a "walking assistance vehicle") is a structure that can be pushed while relying on the upper body, and is carried out after long-term care in a medical institution especially for hemiplegic patients due to stroke or as a sequelae of an accident. It is widely used for restoring the lower body function or for walking aid for the elderly.
1 is a perspective view showing a conventional walking assistance vehicle, the conventional walking assistance vehicle 900 is a base frame 901 provided with wheels, a support 902 installed on the base frame 901 and the It is composed of a combination of the adjustment column 903 installed on the support 902 so as to be elastically adjustable, and the gimdam 904 provided on the upper portion of the control column 903 to support the upper body of the user. .
In addition, the recess 904 is provided with a recess 905 for receiving a user's body (body), and armrest armrests 906 for armrests are installed at both upper portions thereof, and the recess 905 has a left side. The stable holding member 908 having the grip portion 907 formed symmetrically protrudes toward the front side.
Therefore, the armrest part 906 for the armrest portion of the reclining portion 904 supports the user's cuff from the elbow to the elbow while comfortably walking while walking (behaving) and weakened, such as weakened strength training. Rehabilitation treatment becomes possible.
(Prior art document)
(Patent Document 0001) Republic of Korea Patent Publication No. 10-2013-0074881 (published Jul. 5, 2013)
(Patent Document 0002) Republic of Korea Patent Publication 10-1224361 (2012.12.27.Registration)
(Patent Document 0003) Republic of Korea Patent Publication 10-2012-0002374 (2012.01.05.registration)

However, the conventional pedestrian assistance vehicle helps walking of elderly (elderly) people who are uncomfortable to walk, but cannot use the means of transportation (such as public transportation or private cars), or can not fold the pedestrian vehicle when it is stored. This was accompanied.
The present invention has been made to solve such a problem in the prior art, by improving the structure so that the weak elderly (elderly) to use the means of transportation, or to easily fold the walking aids when stored. The purpose is.

According to the aspect of the present invention for achieving the above object, the first support between the shaft through hole and the stopper pin through hole is formed, and the first support between the first support passage through which the first support is passed is formed opposite to both sides, Shaft through holes through which shafts are formed are formed, and both sides of the shaft through holes are provided with a stopper pin through hole formed therein, and stopper pins fitted into the respective stopper pin through holes formed in the main body so as to protrude and are guided in orthogonal directions. A stopper formed with a coupling hole fitted to the rod, a second support portion formed with first and second locking holes through which an axial passage hole and a stopper pin, which correspond to the axial passage hole formed between the first support, and an upper portion are opened so that the stopper is fitted. The lower portion has a stopper insertion groove formed at a connection piece and passes between a movable member having a handle at the front side and a first support formed at the main body. The first support interpass groove is formed to match the through hole is formed in the center so that the handle is exposed to the outside, the upper and lower inner cover is formed with a guide rod for fitting the elastic member, the first support between the main body and the second A shaft and a nut fastened through an axial passage hole formed between the supports, a plurality of screws integrating the body and the cover, and fixedly installed at a rear side between the second supports, the first and second supporting members being unfolded in a first state. The stopper pin is inserted into the first catching hole formed in the second support in the state that the support member is caught by the catching member so that the spreading is restricted and the external member is not applied to the movable member. When the stopper pin is pulled out of the first catching hole formed between the second supporting members by pulling the handle, the first and second supporting members are folded about the axis and the stopper pin is folded. The walking auxiliary primary folding devices, it characterized in that the second to take the engaging balls are provided.

In the present invention, the weak elderly people can easily fold or unfold the walking aid by simply grasping and pulling the handle, so that the walking aid can be loaded on a vehicle or a car.

1 is a perspective view showing a conventional walking assistance vehicle
2 is a perspective view of a walking assistance vehicle to which the present invention is applied
Figure 3 is an exploded perspective view showing the main part of the present invention
4 is a longitudinal cross-sectional view of the coupled state of FIG.
Figure 4a is a state in which the stopper pin is fitted into the first locking hole
4B is a state in which the stopper pin is pulled out of the first catching hole by pulling a handle;
5 is a rear perspective view showing the movable member of the present invention;
6 is a perspective view of a state in which the walking assistance vehicle is folded

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art may easily implement the present invention. As those skilled in the art would realize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. It is noted that the figures are schematic and not drawn to scale. The relative dimensions and ratios of the parts in the figures have been exaggerated or reduced in size for clarity and convenience in the figures and any dimensions are merely exemplary and not limiting. And the same reference numerals are used to refer to similar features in the same structure, element or part shown in more than one figure.
Figure 2 is a perspective view of a walking aid to which the present invention is applied, Figure 3 is an exploded perspective view showing the main portion of the present invention, Figure 4 is a longitudinal cross-sectional view of the coupling state of Figure 3, the present invention is the first, second support 10 ( 20), the main body 30, the stopper 40, the movable member 50, the cover 60, etc. are comprised.
Shaft through holes 11 and 21 are formed in the first and second support sections 10 and 20, and a stopper pin through hole 12 is formed at one side of the shaft through hole 11 of the first support section 10. ) Is formed and the first and second locking holes 22 (23) which are shifted by a predetermined angle (angle at which the first and second support bars are folded) to one side of the shaft passage hole 21 formed in the second support member 20. ) Is formed.
A locking piece 24 is fixed to the rear side of the second support section 20, and a buffer member 25 is fixed to the locking piece 24.
This allows the first support member 10 to be caught and held in a stable state while the first and second support members 10 and 20 are unfolded, and at the same time, the first support member is supported by the shock absorbing member 25. The liver 10 is intended to minimize the phenomenon that the shock is transmitted during walking.
The main body 20 is formed so that the first support inter-pass groove 31 through which the first support inter-pass 10 passes on both sides, and the shaft passage hole 32 through which the shaft 70 passes in the center portion thereof. A stopper pin through hole 33 is formed on both sides of the shaft through hole 32.
The stopper 40 has a stopper pin 41 fitted into each stopper pin through hole 33 formed in the main body 30 so as to protrude and is fixed to the guide rod 63 in a direction orthogonal to the stopper pin 41. A coupling hole 42 fitted in the groove is formed.
As shown in FIG. 5, the movable member 50 has an upper portion open to allow the stopper 40 to be fitted therein, and a lower portion of the movable member 50 to form a stopper insertion groove 52. ) Is formed.
The cover 60 is formed with a first support interpass groove 61 coinciding with the first support interpass groove 31 formed in the main body 30 and a through hole so that the handle 53 is exposed to the outside at the center thereof. 62 is formed, and the upper and lower guide rods 63 to which the elastic member 80 is fitted are formed.
The shaft 70 and the nut 71 are fastened by passing through the shaft through holes 11, 21, 32 formed in the first supporting member 10, the main body 30, and the second supporting member 20. The main body 30 and the cover 60 are integrated by a plurality of screws 72.
Referring to the operation of the present invention.
First, in the state where no external force is applied to the movable member 50, as shown in FIG. 4A, the stopper 40 moves to the main body 30 side by the restoring force of the elastic member 80, so that the stopper pin 41 supports the second. The first locking hole 22 formed in the liver 20 is inserted into the first and second support rods 10 and 20 to maintain the unfolded state, so that the user may use it as a normal walking assistance vehicle.
However, in order to fold the first and second support rods 10 and 20 for carrying or storage, the handle 53 must be pulled to release the stopper pin 41.
That is, when the handle 53 is gripped and pulled forward to fold the first and second support sections 10 and 20, the stopper 40 is inserted into the stopper insertion groove 52 of the movable member 50 as shown in FIG. 4B. Is inserted into the first locking hole 22 while the stopper pin 41, which is caught in the first locking hole 22 of the second support section 20 by the restoring force of the elastic member 80, compresses the elastic member 80. Since the first and second support rods 10 and 20 are released, the first and second support rods 10 and 20 are folded.
After the first and second support rods 10 and 20 are folded in the above-described operation, when the external force is removed from the handle 53, the stopper 40 restores the initial state by the restoring force of the elastic member 80 to support the second support. Inserted into the second locking hole 23 formed in the liver 20, the first and second support rods 10 and 20, as shown in FIG.
On the other hand, when the user wants to unfold the walking assistance vehicle folded as shown in FIG. 6, as described above, the grip member 53 is gripped and the movable member 50 is pulled, so as to hold the second locking hole 23 of the second support interval 20. The stopper 40 is released from the pulley 53 after releasing the locking state of the stopper pin 41 that is inserted into the first and second support rods 10 and 20, and then removing the external force from the pulled handle 53. Advance by the restoring force of the 80 to be caught by the first engaging hole 22 formed in the second support between the 20, the first and second support between the 10 (20) to maintain the unfolded state.
In this way, after the first and second support rods 10 and 20 are unfolded, the extent to which the first support rod 10 is caught by the catching piece 24 fixed to the second support rod 20 is limited. Since the first support 10 is in contact with the bottom surface of the buffer member 25 is to minimize the phenomenon that the shock is transmitted to the user's arm or hand.
Although the embodiments of the present invention have been described above with reference to the accompanying drawings, it will be understood by those skilled in the art that the present invention may be embodied in other specific forms without changing the technical spirit or essential features. will be.
Therefore, the above-described embodiments are to be understood as illustrative and not restrictive in all respects, and the scope of the present invention described in the above detailed description is represented by the following claims, and the meanings of the claims and All changes or modifications derived from the scope and the equivalent concept should be construed as being included in the scope of the present invention.

10: first support section 11, 21, 32: shaft through hole
20: second support 22: first locking hole
23: second locking hole 24: locking piece
25 buffer member 30 body
31, 61: first groove between the grooves 33: stopper pin through hole
40: stopper 41: stopper pin
42: coupling hole 50: movable member
51: connecting piece 52: stopper insertion groove
53: handle 60: cover
62: through-hole 63: guide rod
70: shaft 80: elastic member

Claims (3)

The first support interlock 10 having the shaft through hole 11 and the stopper pin through hole 12 formed therebetween, and the first support interpass groove 31 through which the first support interlock 10 passes, are opposed to both sides. And a main shaft 30 through which a shaft 70 passes, and a main body 30 having stopper pin through holes 33 formed at both sides of the shaft through hole 32, and the main body. Stopper pins 41 fitted in the respective stopper pin through holes 33 formed in the 30 are fixed to protrude, and in the orthogonal direction, the stoppers 40 having coupling holes 42 fitted to the guide rods 63 in the orthogonal direction; And a second formed first and second locking holes 22 and 23 to which the shaft through hole 21 and the stopper pin 41 which correspond to the shaft through hole 11 formed in the first support section 10 are caught. The support member 20 and the upper part is opened so that the stopper 40 can be fitted, the lower part has a connection piece 51 formed therein, and has a stopper insertion groove 52, and a movable member 50 having a handle 53 formed at the front thereof. Wow A first inter-support inter-groove 61 formed in the sieve 30 is formed to coincide with the first inter-support inter groove 31 formed therein, and a through hole 62 is formed at the center thereof to expose the handle 53 to the outside. The shaft 60 includes a cover 60 having a guide rod 63 into which the elastic member 80 is fitted, and a first through shaft 10 formed in the first supporting member 10, the main body 30, and the second supporting member 20. (11) (21) and (32) the shaft (70) and nut (71) fastened together, a plurality of screws (72) for integrating the main body (30) and the cover (60), and the second support The locking piece is fixed to the rear of the liver 20 so that the first support member 10 is caught by the locking member 24 in a state where the first and second support members 10 and 20 are unfolded so as to limit the unfolding. 24, the stopper pin 41 is fitted into the first engaging hole 22 formed in the second support section 20 in the state where no external force is applied to the movable member 50. (20) to keep it unfolded, the handle ( 53, when the stopper pin 41 exits the first catching hole 22 formed in the second supporting member 20, the first and second supporting members 10 and 20 are folded around the shaft 70. While the stopper pin 41 is caught by the second locking hole 23, the folding device of the walking assistance vehicle.
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