KR102012368B1 - Crutches that are easy to join and separate - Google Patents

Abstract

The present invention relates to a crutch which can be easily combined and separated, comprising: a shoulder attachment part supported by an armpit; a support part formed in a Y shape and having a gripping part on an upper part thereof; a leg part having a lower end coupled with a buffer part to support the ground; a connection part coupled between the support part and the leg part; and a fastening means for fastening the shoulder attachment part, the support part, the leg part and the connection part, wherein the fastening means includes: a concave (凹) part which is formed at an end of one side of each of the shoulder attachment part, the support part, the leg part and the connection part, and a convex (凸) part which is formed at an end of the other side thereof; magnets which are fixed to an inner side of the concave part and an end of a protruding convex part, respectively; a through-hole which is formed at a lateral side of the concave part; a detachment protrusion which is formed in a wedge shape with a pointed end to be inserted into the through-hole to separate the magnets while being inserted between the magnets; and an elastic cap which fixes the detachment protrusion to the through-hole. The shoulder attachment part, the support part, the leg part and the connection part are combined by attraction of the magnets which are in close contact while the concave part and the convex part are inserted into each other and are separated while the magnets are separated by the detachment protrusion inserted from a lateral side.

Description

CRUTCHES THAT ARE EASY TO JOIN AND SEPARATE

The present invention relates to a crutch, more specifically, a shoulder portion supported by the armpit, formed in a Y-shaped support portion provided with a gripping portion at the top, the lower portion of the leg coupled to support the ground, the support portion and the leg In the crutches comprising a connecting portion coupled between the portion and the fastening means for fastening the attachment portion and the support portion and the leg portion and the connecting portion, the fastening means is formed on one side of each end of the attachment portion, the support portion and the leg portion and the connection portion; In the form of an iron portion formed at the end of the recess and the other end, a magnet fixed to the inside of the recess and an end of the projecting iron portion, a through hole formed at the side of the recess, and a wedge with a sharp end. Formed and inserted into the through hole is inserted between the magnets, including a detachable projection for separating the magnet, and an elastic cap for fixing the detachable projection to the through hole, Coupling portion and the support portion and the leg portion and the connecting portion is coupled by the attraction force of the magnet is in close contact with the recessed portion and the iron portion, the coupling is characterized in that the magnet is separated by the detachable protrusion inserted from the side It relates to a crutch that is easy to separate.

Climbing population in Korea is one of two people who enjoy hiking as a hobby and it is increasing every year. In addition, safety accidents that occur during mountain climbing are mainly occurred at a low altitude of 2,000m or less, and the lower mountain can be seen as a tendency to feel the need for safety.

In case of climbing, the management office in the access route is prepared for safety accidents by storing medicines in a separate space. Safety accidents, however, do not occur at the beginning, but occur accidentally on hiking trails.

If a rescue request is made at the time of an accident, a large accident is transferred through a helicopter according to the degree of emergency. However, a small accident is rescued from the bottom, but rescuers are required to bring rescue equipment and medicines at the beginning. Because climbing takes a lot of time.

In order to simplify the process, a rescue box can be created and placed in some sections of the hiking trail to assist in the rescue process. The items provided include self-powered flashlights, folding crutches, medicines, whistles, compasses and mountains. Topographic maps, emergency contacts, and ropes.

Among them, the prior art related to crutches has been disclosed 'folding crutches' of the Republic of Korea Utility Model Registration No. 20-0482692 (2017.02.16), which is a body mounting member that can be mounted on a part of the user's body; A body connected to the body mounting member and standing between the body mounting member and the ground, the body including at least one folding portion; An operation member which can be operated by an external force of the user; A fixing member configured to fix the folded portion to maintain the unfolded state of the body, and to release the fixing of the folded portion so that the body is folded; A connection member connecting the operation member and the fixing member so that the fixing member can fix or release the folded portion in accordance with the operation of the operating member; And an elastic member that accumulates a restoring force when an external force of the user is applied to the operation member, and recovers to its original state by the restoring force when the external force of the user is removed from the operation member, thereby repositioning the fixing member. Characterized in that.

However, in the case of such crutches, the folding and unfolding method is inconvenient, which is difficult for the user to easily use.

It is an object of the present invention to provide a crutch that can be detached and combined as necessary for easy storage or carrying, and whose length can be freely adjusted according to the height of the wearer.

In order to achieve the above object, the present invention is a shoulder portion supported by the armpit, formed in the Y-shaped support portion is provided with a grip portion at the top, the lower portion is coupled to the lower portion of the leg portion for supporting the ground, the support portion and the leg portion In the crutches comprising a connecting portion coupled between the fastening portion and the fastening portion and the support and the leg and the connecting portion, the fastening means is formed on one side of each end of the fastening portion, the support and the leg and the connecting portion ( I) formed in the shape of an iron portion formed at the end and the other end, a magnet fixed to the inner side of the recessed portion and an end portion of the protruding iron portion, a through hole formed at the side of the recessed portion, and a wedge with a sharp end. And a detachable protrusion for separating the magnet while being inserted into the through hole and interposed between the magnets, and an elastic cap for fixing the detachable protrusion to the through hole. Chakbu with the support portion and the leg portion and the connection portion is characterized in that it is coupled by the magnetic attraction in close contact with each other while fitting the main body portion and a convex portion, while the magnet is separated by a removable release protrusion is inserted from the side.

In addition, the fastening means preferably includes a fixing bolt which penetrates the magnet and is inserted into an end of the protruding convex portion through the magnet, and a protective cover covering the upper surface of the magnet.

In addition, the outer edge of the protective cover is formed with a comb surface, when the upper surface of the protective cover contact with each other by the magnet, a guide groove due to the comb surface is formed on the side surface, the guide groove is a sharp end of the detachable protrusion It is preferably configured to guide.

According to the present invention, the fastening means includes a concave portion formed at one end of each of the end portion of the attachment portion, the support portion, the leg portion, and the connecting portion, and an iron portion formed at the other end portion thereof, and protruding from the inner side of the recess portion. Magnets fixed to end portions of the convex portions are provided, and the attachment portion, the support portion, the leg portion, and the connection portion are easily coupled by the attraction force of the magnet, which is tightly fitted while the recess portion and the iron portion are fitted to each other, and formed on the side of the recess portion. Desorption protrusion is formed in the shape of a through hole, the end of the pointed wedge is inserted into the through hole is provided between the magnet and the detachable protrusion for separating the magnet, and the elastic cap for fixing the detachable protrusion to the through hole, the detachable protrusion inserted from the side As the magnet is separated by the effect that provides an easy to remove crutches.

In addition, there is an effect that can freely adjust the length of the crutches by combining the connection part according to the wearer's height.

1 is an exploded perspective view of a preferred embodiment of the present invention
Figure 2 is a vertical cross-sectional view of the main part according to the present invention
Figure 3 is a vertical cut cross-sectional view of the iron portion according to the present invention
4 is a state in which the magnet is in close contact and fixed according to the present invention
5 is a state in which the magnet is separated by the detachable protrusion according to the present invention

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

1 is an exploded perspective view of a preferred embodiment of the present invention, Figure 2 is a vertical sectional view of the main portion according to the present invention, Figure 3 is a vertical sectional view of the convex portion according to the present invention, Figure 4 is a magnet according to the present invention FIG. 5 is a state diagram in which the magnet is detached by the detachable protrusion according to the present invention.

First, as shown in Figure 1, the present invention is a shoulder portion supported by the armpit 10, formed in a Y-shape formed support portion 20 is provided with a gripping portion at the top, the buffer portion is coupled to the bottom to support the ground It relates to a crutch including a leg portion 30, a connecting portion 40 coupled between the support portion and the leg portion and a fastening means 50 for fastening the attachment portion and the support portion and the leg portion.

In other words, the present invention is largely divided into the attachment portion 10, the support portion 20, the leg portion 30 and the connecting portion 40.

The adhesive portion 10 may be formed in a '┏┓' shape as a whole, the upper portion may be fitted to the user's armpit, and the portion contacting the user's armpit may be formed of a synthetic resin material having elastic force.

The support part 20 is formed in a 'Y' shape as a whole, and is provided with a grip part for distributing weight by holding the user in a horizontal direction on the top.

The leg portion 30 is coupled to the lower end of the buffer to support the ground.

The connecting portion 40 is fastened by connecting the lower end of the support portion and the upper end of the leg portion, it is possible to adjust the overall length by replacing with a separate connection if necessary.

The attachment part 10, the support part 20, the leg part 30, and the connection part 40 are provided separately from each other, and the connection part 40 which connects and couples the support part 20 and the leg part 30. ) Is provided in a plurality of different lengths, it is configured to adjust the overall length by engaging the appropriate connection according to the height of the user.

On the other hand, as shown in Figures 2 to 4, the fastening means 50 according to the present invention for fastening the fastening portion 10 and the support portion 20 and the leg portion 30 and the connecting portion 40 by fastening The concave portion 51 formed at one end of the adherent portion 10, the support portion 20, the leg portion 30, and the connecting portion 40 and the iron portion 52 formed at the other end portion thereof. ).

That is, the fastening means 50 connects the lower end of the attachment part 10 and the upper end of the support part 20, connects the lower end of the support part 20 and the upper end of the connection part 40, and the connection part 40. To connect by connecting the lower end and the upper end of the leg 30.

The fastening means 50 includes a concave portion 51 formed at one end of the attachment portion, the support portion, the connection portion, and the leg portion, and an iron portion 52 formed at the other end portion.

That is, the recess 51 is formed in a shape recessed inside, the convex portion 52 is formed in a protruding shape corresponding to the shape of the recess is connected to each other.

Preferably, a convex portion 52 is formed at a lower end of the adherent portion 10, and a concave portion is formed at an upper end of the support portion 20 to accommodate the convex portion of the adherent portion, and the concave portion 51 and the convex portion 52 are formed. Are fitted to each other is configured to be combined.

Likewise, a lower end of the support part 20 is formed, and an upper end of the connection part 40 is formed to protrude a convex part fitted into the recess provided at the lower end of the support part, and the support part and the connection part can be coupled and fixed together. have.

On the other hand, it comprises a magnet (53a, 53b) fixed to the inner side of the recess and the end of the protruding convex portion, respectively.

The magnets 53a and 53b are the most widely used rare earth magnets, and are formed by alloying neodymium, iron, and boron by powder metallurgy at a ratio of 2: 14: 1, and have good machinability (-Nodymium Magnet). Preference is given to using.

Therefore, the magnets 53a and 53b are fixed to each other while being fixed to each other by fitting the recesses and the convex portions of each node, and the engaging portion of each node is fixed by the attraction force of the magnet.

In addition, the through hole 54 is formed on the side of the recess 51, the end is formed in the shape of a wedge with a pointed end is inserted into the through hole is inserted into the through hole between the detachable projection 55 and the magnet, and the It is preferable that an elastic cap 56 is provided to fix the detachable protrusion to the through hole.

The detachable protrusion 55 is formed in the shape of a wedge such that a sharp tip is formed at an end thereof, and the sharp end is inserted into the through hole to be closely fitted and inserted into the fixed magnets 53a and 53b to easily detach the magnet. Will be.

The elastic cap 56 is for fixing the detachable protrusion 55 to the through hole 54, and is formed of a synthetic resin material having elasticity and the open one end portion is inserted into the through hole and fixed to the inner circumferential surface. The other end of the detachable protrusion 55 is fixed in close contact.

Therefore, when the user presses from the outside of the elastic cap 56, the detachable protrusion fixed to the inner circumferential surface of the elastic cap is inserted into the through hole, and when the user releases the pressure applied from the outside of the elastic cap, it is inflated again by elasticity. The detachable protrusion inserted into the through hole is moved outward to return to its original position.

In addition, the fastening means includes a fixing bolt 57 which penetrates the magnets 53a and 53b and is inserted into the inner side of the recess and the end of the protruding convex portion, and a protective cover that covers the upper surfaces of the magnets 53a and 53b. 58).

The fixing bolt 57 is formed with a fastening hole penetrating the magnets 53a and 53b in the vertical direction to fix the magnets 53a and 53b to the inner side of the recess 51 and the end of the protruding convex portion 52. Then, the fixing bolt is inserted into the recessed portion and the inside of the iron portion through the fastening hole and fixed to allow the magnet to be fixedly installed.

In addition, the protective cover 58 is preferably formed of a metal plate-like body, and is formed to cover the upper surface of the magnet corresponding to the external shape of the magnet, the magnets (53a, 53b) by the external impact Prevent breakage or contamination.

In addition, as shown in Figures 4 and 5, the outer edge of the protective cover is formed with the inclined surface 59, the upper surface of the protective cover 54 by the magnets (53a, 53b) abut each other, Guide groove 60 is formed on the side surface due to the inclined surface, it is preferable that the guide groove is configured to guide the pointed end of the detachable projection.

That is, the protective cover 58 is disposed close to each other between the magnets when the magnets (53a, 53b) are in close contact with each other is fixed, the inclined surface 59 is formed on the outer edge of the protective cover 58 When viewed from the side, a pair of inclined surfaces form a guide groove 60 recessed inward.

Therefore, when the detachable protrusion 55 is inserted into the recess 51 through the through hole 54, the sharp tip of the detachable protrusion 55 is guided to the comb surface 59 to guide the inside of the guide groove 60. As it is inserted into the magnets (53a, 53b) to overcome the attraction of the magnet will be able to separate.

In addition, the detachable protrusion 55 is provided in pairs facing each other to be symmetrical to the outer surface of the recess, the user is configured to be inserted into the recess by the sharp tip of the detachable protrusion by pressing the thumb and index finger. desirable.

As described above, the present invention is the abutment portion 10 to be supported in the armpit, formed in the Y-shaped support portion 20 is provided with a gripping portion at the top, the lower portion is coupled to the buffer portion 30 to support the ground, the leg portion 30, In the crutches including a connection part 40 coupled between the support part and the leg part and the fastening means 50 for fastening the fastener part and the support part and the leg part, the fastening means 50 is the fastener part 10. ) And the support portion 20, the leg portion 30 and the yaw portion 51 formed at one end of each end of the connecting portion 40 and the iron portion 52 formed at the other end, Magnets 53a and 53b fixed to the ends of the inner and protruding convex portions, through-holes 54 formed on the side of the recess 51, and wedge-shaped wedges are inserted into the through-holes. Detachable protrusion 55 for separating the magnet while being sandwiched between the, and fixing the detachable protrusion to the through hole It includes an elastic cap 56, the attachment portion 10, the support portion 20 and the leg portion 30 and the connecting portion 40 is the magnet (53a, 53b) to be in close contact with the recessed portion and the iron portion It is coupled by the attraction of the, and the magnets (53a, 53b) by the detachable projection 55 is inserted from the side is separated and separated as easy to the crutches easy to bond and separation, the present invention is the embodiment described above It is a matter of course that modifications by those skilled in the art are not limited to the examples and can be made without departing from the spirit of the present invention. Therefore, the scope of the claims in the present invention will not be defined within the scope of the detailed description, but will be defined by the following claims and the technical spirit thereof.

100: easy to join and remove crutches
10: shoulder portion 20: support portion
30: leg 40: connecting portion
50: fastening means 51: main part
52: convex portion 53a, 53b: magnet
54: through hole 55: detachable protrusion
56: elastic cap 57: fixing bolt
58: protective cover 59: inclined surface
60: Information Home

Claims (3)

Adhesion part 10 supported by the armpit, formed in a Y-shaped support portion 20 is provided with a grip portion at the top, a buffer portion is coupled to the lower end of the leg portion 30 to support the ground, between the support portion and the leg portion In the crutches including a coupling part 40 to be coupled and a fastening means 50 for fastening the attachment part and the support part and the leg part and the connection part,
The fastening means 50 is formed in the yaw portion 51 and the other end formed on one end of each of the attachment portion 10, the support portion 20, the leg portion 30 and the connecting portion 40 (Iv) a portion 52, magnets 53a and 53b fixed to the inner side of the recessed portion and the end portion of the protruding convex portion, through holes 54 formed on the side of the recessed portion 51, and pointed ends. Formed in the shape of a wedge is inserted into the through hole is inserted between the magnets, including a detachable protrusion 55 for separating the magnet, and an elastic cap 56 for fixing the detachable protrusion to the through hole,
The attachment part 10, the support part 20, the leg part 30, and the connection part 40 are coupled by the attraction force of the magnets 53a and 53b that are tightly contacted while the recessed part and the iron part are fitted together, and are inserted from the side. The crutches are easily coupled and separated, characterized in that the magnets (53a, 53b) are separated by the detachable protrusion 55 is separated.
According to claim 1, The fastening means is a fixing bolt (57) inserted through the magnet (53a, 53b) and the end of the protruding convex portion and the upper surface of the magnet (53a, 53b) Crutches easy to engage and separate, characterized in that it comprises a protective cover (58) covering.
According to claim 2, wherein the outer edge of the protective cover is formed with a comb surface 59, the upper surface of the protective cover 54 by the magnets (53a, 53b) abut each other, guides due to the comb surface on the side surface A groove (60) is formed so that the guide groove guides the pointed end of the detachable protrusion.

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