KR101045526B1 - Folding crutches - Google Patents

Abstract

The present invention relates to a folding crutches, the shoulder support 10, the upper support (20, 20 '), and the handle; In the crutch consisting of the lower support (40, 40 '), the pedestal (50), the anti-slip cap (60), the first connecting tube (70); A second connector body 80; It consists of a handle cock (90) is inserted into the connector connecting the two brackets of the lower support in the connector connecting the two brackets of the upper support by a simple operation of pulling the handle cock which is a locking means with one hand holding the crutches is inserted. As the crutches are rotated and folded, the crutches can be folded quickly with a single operation, but the structure is simple, reducing the cost and time required for the production of the product, and the economic efficiency is excellent. In addition, it can be safely used for a long time without failure because it is not easily folded by mistake, and there is a special advantage that it can be stored easily and easily without being restricted by the folding place.

Folding crutches, shoulder rests, connectors, supports.

Description

Folding Crutches {Binding type crutches}

The present invention relates to crutches, and more particularly, to a folding crutches that are easy to use, carry and store by folding the crutches as needed to reduce their length.

In general, crutches are used to assist the walk of the handicapped or injured patients. Crutches used in the past have been mainly used for wood products, but synthetic resins or metal materials have been widely used in recent years. This synthetic resin or metal material has the advantages of being lighter, less deformed, and more durable than wood.

Such crutches are widely used to maintain the center of the body by supporting the crutches to support the crutches in the armpits or people with leg discomfort. Such crutches have an axillary support located in the armpit, a "Y" shaped support extending from the lower both sides of the axillary support to the lower side by a predetermined length, and a handle installed in the transverse direction in the upper region of the support. It takes the structure to have.

That is, most of the conventional crutches are made of a shoulder support 1, a support (2, 2 '), a handle (3) and a height adjustment bar (4), as shown in Figure 1, the shoulder Supporting part (1) is injection-molded with synthetic resin material so that the armpits of the body can be caught when the body is in contact with the human body so that the user can feel comfort without being separated from the body. Produced, the support (2, 2 ') is drilled through the tightening hole (5) at regular intervals to enable height adjustment of the handle (3) and the height adjustment rod (4) height according to the user's physical condition by screwing It is possible to adjust, the height adjustment bar (4) located at the lower portion of the support (2, 2 ') joint 6, which is a coupling member made of synthetic resin material to facilitate the coupling with the support (2, 2') Close contact with the inner side of the support (2, 2 ') using While being coupled to the screw to fix, and when adjusting the height to loosen the screw to adjust and fix the handle when using the crutches (3) as the user's noise, it is possible to walk using the crutches.

However, in the conventional crutches as described above, since the length of the crutches is limited to a certain length, it is assumed that the crutches are so long that the crutches are too long and the crutches do not enter the vehicle well. In addition to the drawbacks, there was a problem that it is not easy to store the crutches in the vehicle.

Many crutches that can be folded to solve the problems of the conventional crutches as described above have been developed.

As a collapsible crutch, "folded crutches" of Patent Publication No. 10-2004-0026249 are published in an open patent publication, "Folding crutches" of Utility Model Registration No. 20-0286175, "Utility Model Registration No. 20-0326023" Height-adjustable and foldable crutches "and" Foldable Crutches "of Utility Model Registration No. 20-0335363 are published in the Utility Model Publication.

However, Patent Publication No. 10-2004-0026249 of the collapsible crutches is complicated because the folding structure is increased cost and time required for manufacturing, the price of the product is high, economical, or utility model registration No. 20 -0286175, 0326023, 0335363 has a problem that the folding process is not easy because the crutches can not be folded with one hand holding the crutches.

The present invention has been invented to solve various defects and problems caused by the conventional crutches in view of the above situation, the object of which is to support the upper support by the simple operation of pulling the hangdle cock locking means with one hand holding the crutches The connecting tube connecting both brackets of the lower support is inserted into the connecting tube connecting both brackets of the bracket so that the crutches are folded so that the crutches can be quickly folded in a single operation and the structure is simple. It is to provide a folding economical crutch with excellent cost and time.

Another object of the present invention is a structure in which the connecting pipe connecting the both sides of the lower support bracket is inserted into the connecting pipe connecting the both sides of the bracket of the upper support, when used as a crutch, not only become a sturdy and sturdy structure, but also easy to fold by mistake It is to provide a folding crutch that can be safely used for a long time without failure.

Still another object of the present invention is a joint structure in which the connecting pipe connecting both brackets of the lower support is inserted into the connecting pipe connecting both brackets of the upper support, without being restricted to a place to be stored by folding and simple and easy. To provide a folding crutch that can be stored.

Foldable crutches of the present invention for achieving the above object is inserted between the shoulder support for supporting the shoulder, the upper support is fixed to both ends of the shoulder support, and the upper support is installed so as to support the interval between the upper support With handle installed; In the crutches consisting of a lower support that is foldably installed on the lower end of the upper support, a pedestal is fixed between the lower end side of the lower support and a non-slip cap (60) is covered on the lower end of the pedestal, the upper A first connecting tube which is a handle fixed by welding between ends of an 'L' upper bracket fixed to an inner surface of each lower end side of the support; A second connecting tube fixed by welding between ends of an 'L' shaped lower bracket fixed to an inner surface of an upper end of each of the lower supports while rotatably inserted into the first connecting tube; Characterized in that consisting of a handle cock 90 is installed in the central portion of the first connecting pipe and the second connecting pipe.

In the present invention, the folding crutch is a simple operation that pulls the locking means with one hand grasping the crutches and the connector is connected to connect both brackets of the lower support in the connector connecting the two brackets of the upper support and the crutch is rotated. By folding, the crutches can be folded quickly with a single operation, but the structure is simple, which reduces the cost and time required for the production of the product, resulting in excellent economic efficiency. It can be safely used for a long time without failure because it is not folded, and there is a special advantage that can be stored simply and easily without being restricted by the folding place.

Hereinafter, with reference to the accompanying drawings will be described in detail a preferred embodiment of the present invention folding crutches.

Figure 2 is a perspective view of the present invention folding crutches, Figure 3 is a perspective view of the main portion of the present invention folding crutches, Figure 4 is an exploded perspective view of the main portion of the present invention folding crutches, Figure 5 is a view showing a folding state of the present invention folding crutches, the present invention Folding crutches are inserted between the shoulder support 10 for supporting the shoulder, the upper support (20, 20 ') fixed to both ends of the shoulder support 10, and the lower portion of the upper support (20, 20') A handle installed to support the upper supports 20 and 20 'at intervals; A pedestal 50 which is inserted and fixed between the lower supports 40 and 40 'which are foldable at the lower ends of the upper supports 20 and 20', and the lower ends of the lower supports 40 and 40 '; In the crutch consisting of a non-slip cap 60 is covered with the lower end of the pedestal 50, 'L' shaped upper bracket (21, 21 ') fixed to the inner surface of the lower end side of each of the upper support (20, 20') A first connecting tube 70 fixed by welding between the ends of the tube; By welding between the ends of the 'L' shaped lower brackets 41 and 41 'fixed to the inner surface of the upper end side of each of the lower supports 40 and 40' while being rotatably inserted into the first connecting tube 70. A second connector body 80 fixed thereto; Consists of a handle cock 90 is provided in the center portion of the first connecting pipe 70 and the second connecting pipe 80.

Each of the first connecting tube 70 and the second connecting tube 80 is formed with pin holes 71 and 81 into which the locking pin 91 is inserted in the center of the upper surface in an unfolded state. The cock (90) is a locking pin (91) inserted into the pin holes (71, 81) of each of the first connecting pipe (70) and the second connecting pipe (80), and the 'L' shaped guide hole 92 on the side A tubular body (93) having a lower end portion perpendicular to the first connecting pipe (70) around the pin hole (71) and fixed by welding so that the locking pin (91) is movable up and down; The slide pin 94 is fixed to the locking pin 91 in the horizontal direction and is inserted into the 'L' shaped guide hole 92 of the tubular body 93, and the operation is fixed to the upper end of the locking pin 91 It is comprised by the handle 95.

In addition, one end of the 'L' shaped upper brackets 21 and 21 'is fixed to a plurality of bolts 21a via the fixing plate 20a on the inner surface of the lower end side of each of the upper supports 20 and 20'. The central axis of the first connecting tube 70 installed at the end is located in front of the front end of the upper support (20, 20 '), one end of the' L 'shaped lower bracket (41, 41') is the lower The central axis of the first connecting tube 80, which is fixed to the inner surface of the upper end side of each of the supports 40 and 40 'and is installed at the other end, is located in front of the front end of the lower supports 40 and 40'. The upper support 20, 20 ′ and the lower support 40, 40 ′ are configured to be folded by simply pulling and rotating the operation handle 95.

Next, the operation of the present invention configured as described above will be described in detail as an embodiment in use.

When the user uses the folding crutches of the present invention to assist walking, first, the operation handle 95 is rotated so that the slide pin 94 moves horizontally within the 'L' shaped guide hole 92 of the handle cock 90. In such a state as to be able to move up and down, and pull the operation handle 95 in this state, the slide pin 94 is raised.

Accordingly, the locking pin 91 is raised in the tubular body 93 of the handle cock 90 so that the locking pin 91 is removed from the pin hole 81 of the second connecting pipe 80. Unfold the upper support 20, 20 ′ and the lower support 40, 40 ′ in a straight line and then push it under the manipulation handle 95. The slide pin 94 descends along the 'L' shaped guide hole 92. The locking pin 91 is also lowered to be inserted into the pin holes 71 and 81 of the first connecting pipe 70 and the second connecting pipe 80. In this state, when the operation handle 95 is rotated, the slide pin (94) is moved horizontally in the 'L' shaped guide hole 92 of the handle cock (90) so that the slide pin (94) to the tubular body (93) above the horizontal groove of the L 'shaped guide hole (92) The upper support 20, 20 ′ and the lower support 40, 40 ′ are firmly fixed in a stretched state in a straight line so that the user can use the crutches.

In this way, when using the crutches, it is necessary to fold the crutches in order to store them because they do not need to be used or used in the vehicle. It is moved in the horizontal direction in the 'shaped guide hole 92 so that the vertical movement is possible, and pulling the operation handle 95 in this state, the slide pin 94 is raised.

Accordingly, the locking pin 91 is raised in the tubular body 93 of the handle cock 90 so that the locking pin 91 is released from the pin hole 81 of the second connecting pipe 80. Pulling out the operation handle 95, the second support pipe 80 of the lower support (40, 40 ') in the first connector pipe 70 of the upper support (20, 20') is rotated to the upper support ( 20, 20 ') and the lower supports 40, 40' are folded to each other so that the crutches can be easily folded as shown in FIG.

While the present invention has been described as a preferred embodiment, the present invention is not limited thereto, and various modifications can be made without departing from the gist of the invention.

1 is a perspective view showing the configuration of a conventional general crutches,

2 is a perspective view of the present invention folding crutches,

Figure 3 is a perspective view of the main part of the present invention folding crutches,

Figure 4 is an exploded perspective view of the main part of the present invention folding crutches,

5 is a view showing a folding state of the present invention folding crutches.

Description of the Related Art

10: shoulder support 20, 20 ': upper support

20a: fixing plate 21, 21 ':' L 'shaped upper bracket

21a: Bolt 40, 40 ': Lower support

41, 41 ':' L 'shaped lower bracket 41a: Bolt

50: base 60: anti-slip cap

70: first connecting body 71: pin hole

80: second connector 81: pin hole

90: handle cock 91: locking pin

92: 'L' shaped guide hole 93: tubular body

94: slide pin 95: operation handle

Claims (4)

A shoulder support part 10 inserted into the armpit to support the shoulder, upper support parts 20 and 20 'fixed to both ends of the shoulder support part 10, and installed between a lower part of the upper support parts 20 and 20', A handle installed to support the supports 20 and 20 'at intervals; A pedestal 50 which is inserted and fixed between the lower supports 40 and 40 'which are foldable at the lower ends of the upper supports 20 and 20', and the lower ends of the lower supports 40 and 40 '; In the crutch consisting of a non-slip cap 60 is covered with the lower end of the base 50, A first connecting tube 70 which is a handle fixed by welding between ends of the 'L' shaped upper brackets 21 and 21 'fixed to the inner bottom surface of each of the upper supports 20 and 20'; By welding between the ends of the 'L' shaped lower brackets 41 and 41 'fixed to the inner surface of the upper end side of each of the lower supports 40 and 40' while being rotatably inserted into the first connecting tube 70. A second connector body 80 fixed thereto; Folding crutches, characterized in that consisting of a handle cock (90) installed in the central portion of the first connecting pipe (70) and the second connecting pipe (80). According to claim 1, wherein each of the first connecting pipe 70 and the second connecting pipe 80, the pin hole (71, 81) is inserted into the center of the upper surface in the unfolded state of the upper surface, respectively, Folding crutches, characterized in that formed. According to claim 1, wherein the handle cock 90 is a locking pin 91 is inserted into the pin hole (71, 81) of each of the first connecting pipe 70 and the second connecting pipe 80, and ' L'-shaped guide hole 92 is formed and the lower end is perpendicular to the first connecting pipe 70 around the pin hole 71 is fixed by welding so that the locking pin 91 is embedded to move up and down Tubular body 93; The slide pin 94 is fixed to the locking pin 91 in the horizontal direction and is inserted into the 'L' shaped guide hole 92 of the tubular body 93, and the operation is fixed to the upper end of the locking pin 91 Folding crutches, characterized in that consisting of a handle (95). According to claim 1, One end of the 'L' shaped upper bracket (21, 21 ') is a plurality of bolts (21a) through the fixing plate (20a) on the inner surface of the lower end side of each of the upper support (20, 20') The central axis of the first connecting tube 70 is fixed to the other end is installed in front of the front end of the upper support (20, 20 '), the' L 'shaped lower bracket (41, 41') One end is fixed to the inner surface of the upper end of each of the lower support (40, 40 ') by a plurality of bolts (41a), the central axis of the first connecting pipe 80 installed at the other end is the lower support (40, 40') The front crutch of the folding crutch characterized in that the upper support (20, 20 ') and the lower support (40, 40') is simply folded by pulling the operation handle (95).

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