KR200496527Y1 - Crutches for use on flat ground and stairs - Google Patents

Abstract

The present invention relates to crutches that can be conveniently used on level ground and on stairs. The present invention is an embodiment, a crutch body that contacts the ground and assists the user's walking according to the user's manipulation, is coupled to the crutch body so as to be axially rotated, and changes in position with respect to the crutch body in a unfolded or folded state Provided is a crutch including a possible auxiliary support and a fixture coupled to the crutch body so as to be fixed and coupled to the auxiliary support in a state in which the auxiliary support is unfolded to fix the position of the auxiliary support.

Description

Crutches for use on flat ground and stairs {Crutches for use on flat ground and stairs}

The present invention relates to crutches, and in detail, to crutches that can be conveniently used on flat ground and stairs by attaching an auxiliary crutch suitable for use on stairs in a foldable manner to a general crutch.

BACKGROUND ART In general, crutches are widely used to assist walking of people with inconvenient walking or patients with leg injuries. These crutches are walking by moving the crutches back and forth in a state where the upper end is inserted into the armpit and the handle is held.

However, the general form of crutches is convenient to use on flat ground, but when climbing stairs, there is a difference in height, unlike flat ground. Therefore, crutches composed of one step composed of a straight line are not stable.

In order to solve this inconvenience, Korean Patent Publication No. 10-2015-0050078 suggests crutches convenient for going up and down stairs. The crutches of the prior art can conveniently go up and down stairs by employing a configuration in which a sub-step portion is further provided on the main step portion.

However, since the crutches of the prior art maintain a form in which the sub-step protrudes from the main step, it may interfere with other objects when walking on flat ground, and it is difficult to adjust the position of the sub-step depending on the height of the stairs, which is inconvenient to use. .

Republic of Korea Patent Publication No. 10-2015-0050078 (2015.05.08)

The present invention proposes a crutch for both flat land and stairs that can be attached to a general crutch by folding, so that it can be used like a normal crutch at ordinary times and unfolded when climbing stairs to be used as a crutch suitable for stairs.

In addition, the detailed purpose of the present invention will be clearly identified and understood by experts or researchers in the art through the specific contents described below.

In order to solve the above problems, the present invention is an embodiment, a crutch body that assists the user's walking by contacting the ground according to the user's manipulation, coupled to the crutch body to be axially rotated, and unfolded or folded with respect to the crutch body Provided is a crutch including an auxiliary support capable of changing its position in a state of being coupled to be fixed to the crutch body and coupled to the auxiliary support in a state in which the auxiliary support is unfolded to fix the position of the auxiliary support.

Here, the auxiliary support and the fixing body may be coupled to the crutch body at various points so that the position may be moved.

On the other hand, a coupling hole is formed at one end of the auxiliary support body, and the fixing body has a locking protrusion formed at one end and a fixing member disposed in the shape of a pair of tongs, and the locking protrusion of the fixing member is coupled to the coupling hole of the auxiliary support body. Thus, the position of the auxiliary support may be fixed.

On the other hand, the auxiliary support is coupled to an extension member having one end rotatably coupled to the crutch body and the other end of the extension member and in contact with the stairs, and when the auxiliary support rotates in the direction of the crutch body The auxiliary support may include a stepping member in which a groove is formed into which the crutch body can enter so that the crutch body is positioned in parallel with the crutch body.

In addition, the extension member has a coupling hole formed therein, coupled to the crutch body so as to be axially rotated, a first extension body extending in one direction, a second extension body bent and extended from the first extension body, and an end of the second extension body. It may include a third extension body bent and extended in the same direction as the first extension body and having a stepping member coupled to an end thereof.

Crutches according to an embodiment of the present invention can be used in the form of general crutches at ordinary times, while when climbing stairs, the auxiliary crutches can be unfolded and used as crutches for stairs. On the other hand, since it is possible to adjust the position of the auxiliary crutches, it is convenient to use in various environments.

Other effects of the present invention will be clearly identified and understood by experts or researchers in the art through the specific details described below or during the course of implementing the present invention.

1 is a perspective view showing a crutch according to an embodiment of the present invention;
Figure 2 is an exploded perspective view showing the crutches according to an embodiment of the present invention.
Figure 3 is a perspective view showing a state in which the auxiliary support is folded in the crutches according to an embodiment of the present invention.
Figure 4 is a perspective view showing a state in which the auxiliary support is unfolded from the crutches according to an embodiment of the present invention.
Figure 5 is a state of use of crutches according to an embodiment of the present invention.

The characteristics and effects of the present invention described above will become more apparent through the following detailed description in relation to the accompanying drawings, and accordingly, those skilled in the art to which the present invention belongs can easily implement the technical idea of the present invention. You will be able to. Since the present invention can have various changes and various forms, specific embodiments will be illustrated in the drawings and described in detail in the text. However, this is not intended to limit the present invention to a specific disclosure, and should be understood to include all modifications, equivalents or substitutes included in the spirit and technical scope of the present invention. Terms used in this application are only used to describe specific embodiments, and are not intended to limit the present invention.

Hereinafter, a crutch for stairs according to an embodiment of the present invention will be described in detail with reference to the drawings. In this specification, the same and similar reference numerals are given to the same and similar components even in different embodiments, and the description is replaced with the first description.

Crutches according to an embodiment of the present invention, as crutches that can be conveniently used on flat ground and stairs, include a crutch body (1), an auxiliary support body (2) and a fixture (3).

The crutch body 1 may have the form of a general crutch 100 as a configuration that assists the user's walking by coming into contact with the ground according to the user's operation, and performs the function of the general crutch 100 used in flat land.

Auxiliary support (2) is coupled to the crutch body (1) to be axially rotated and can change its position with respect to the crutch body (1) in a unfolded or folded state. Auxiliary support (2) performs a function as an auxiliary crutch (100) to assist the stepping of the crutches (100) on the stairs.

The fixture 3 is coupled to the crutch body 1 and the auxiliary support 2 is coupled in an unfolded state to fix the position of the auxiliary support 2. In addition, the position of the auxiliary support (2) is firmly maintained.

Accordingly, it is convenient to use because it can be used as a general crutch in normal times, while it can be used as a crutch for stairs by unfolding it when climbing stairs.

Hereinafter, each configuration of the present invention will be described in detail with reference to the drawings.

1 is a perspective view showing a crutch for stairs according to an embodiment of the present invention, Figure 2 is an exploded perspective view showing a crutch for stairs according to an embodiment of the present invention.

As described above, the crutch body 1 is a configuration that functions as a general crutch 100, includes a handle portion 11 and a support portion 12, and has a configuration similar to that of the general crutch 100 as a whole.

The handle part 11 has a form in which the ends of two horizontal frames 111 spaced apart from each other are connected to each other through a connection frame 112. The connection frame 112 is a part that comes into contact with the user's armpit and is provided with a cushion to reduce the applied force.

On the other hand, a handle frame connecting the spaced two horizontal frames 111 along the way is provided. The user can move the crutch body 1 while holding the handle 113 coupled to the handle frame with his hand. The handle frame is movable and can be used by fixing the handle frame to a suitable position for the user.

The support part 12 is in the form of an extended rod, one end of which extends in combination with the handle part 11 and a contact member 122 is provided at the end of the other end to come into contact with the ground. The support part 12 of the general crutches 100 is made to be able to adjust the overall length of the support part 12 by adjusting the protruding length of the inner rod having a combined form in which two rods overlap concentrically.

Meanwhile, referring to the drawings, a plurality of adjustment holes 114 are formed at intervals in the crutch body 1, and a fastening member (not shown) penetrates the auxiliary support 2 and the fixture 3 in the adjustment holes 114. ) are combined. Accordingly, the auxiliary support 2 and the fixture 3 can be fixed, and the positions of the auxiliary support 2 and the fixture 3 can be moved by changing the position of the adjustment hole 214 to which the fastening member is coupled. .

Here, the adjustment hole 114 of the crutch body 1 required for fixing the auxiliary support 2 is formed in the support 12. Several adjustment holes 114 are formed at regular intervals in the support part 12 . Accordingly, it is possible to fix the auxiliary support 2 at an appropriate position corresponding to the height of the stairs, so that even if the height of the stairs changes, it is possible to respond thereto.

In addition, the adjustment hole 114 formed in the support part 12 can be newly formed, but it is common if the adjustment hole 114 for adjusting the length of the support part 12 is formed in the general crutch 100, so it is as it is. can also be used

On the other hand, the adjustment hole 114 of the crutch body 1 may be formed at one end of the handle part 11, and the fixture 3 is fixed to the adjustment hole 114 formed at one end of the handle part 11. can That is, the fixture 3 can be simultaneously or selectively coupled to an adjustment hole formed in the support part 12 or an adjustment hole formed in one end of the handle part 11 .

In the drawing, it is shown that the fixing body 3 is coupled to the adjustment hole 114 formed in the support part 12. In this case, the fixture 3 and the auxiliary support 2 are sequentially coupled, and the fixture 3 prevents the auxiliary support 2 from rotating beyond a certain angle (90 degrees) so that the auxiliary support 2 is unfolded. It can keep you in a solid state.

On the other hand, when fixing the fixed body 3 using the adjustment hole 114 formed in the handle part 11, the position of the support part 12 is adjusted compared to using the adjustment hole 114 formed in the support part 12. range can be wider. That is, when both the fixture 3 and the auxiliary support 2 are coupled using the adjustment hole 214 formed in the support 12, the position adjustment range of the support 12 is the range of the adjustment hole used by the fixture 3. number may be limited. This can be solved by forming a separate adjustment hole 114 in the handle part 11 to install the fixture 3.

The auxiliary support (2) can be unfolded or folded while pivoting with respect to the crutch body (1) and functions as an auxiliary crutch when going up and down stairs, including an extension member (21) and a stepping member (22). It is done.

The extension member 21 has one end coupled to the crutch body 1 so as to be axially rotatable, and includes a first extension body 211, a second extension body 212, and a third extension body 213, and is generally enclosed in square brackets ' It has the shape of ['. The extension member 21 may be configured as a pair that is attached to both sides of the crutch body 1, one by one, facing each other.

At this time, the rigidity of the extension member 21 may be reinforced by additionally providing a connection member (not shown) connecting the pair of extension members 21 to each other.

The first extension body 211 has a shape in which a hole to which a shaft can be coupled is formed at one end and extends to a relatively short length, and forms one end of the auxiliary support body 2. A shaft (not shown) is coupled to a hole formed in the first extension body 211 so that the extension member 21 can pivot with respect to the crutch body 1.

In addition, a slit-shaped coupling hole 214 is formed in the first extension body 211, and a locking protrusion 324 formed on the fixing member 32 of the fixture 3 to be described later is coupled to the coupling hole 214. The position of the auxiliary support (2) can be fixed.

The second extension body 212 is bent from the first extension body 211 and has a shape extending to a relatively long length. The bent angle of the first extension body 211 and the second extension body 212 is made up of approximately 45 degrees, and when the first extension body 211 is unfolded in the horizontal direction, the second extension body 212 is at an angle of 45 degrees in the stair direction. obliquely elongated

The third extension body 213 is bent and extended in the same direction as the first extension body 211 at the end of the second extension body 212, and is formed in a symmetrical shape with the first extension body 211, and has a step member 22 at the end. are combined

The step member 22 is coupled to the end of the third extension body 213, which is the other end of the extension member 21, and is in contact with the stairs when going up or down the stairs. In the step member 22, when the auxiliary support 2 rotates (when folded) in the direction of the crutch body 1, the extension member 21 has a direction parallel to the crutch body 1. The support portion of the crutch body 1 A groove 221 into which a part of (12) is inserted is formed. Accordingly, the auxiliary support 2 can be folded into a stable position and interference with other objects can be reduced.

Meanwhile, the step member 22 is made of a material having elasticity or a hard member, and a member having elasticity may be attached to a surface in contact with the ground.

The fixture 3 is configured to fix the position of the auxiliary support 2 by combining with the unfolded auxiliary support 2, and includes a clamp-shaped fixing member 32 having a protrusion 324 formed at an end thereof.

At this time, the locking protrusion 324 of the fixing member 32 is coupled to the coupling hole 214 of the auxiliary support 2 so that the auxiliary support 2 and the fixing member 32 are integrated so that the position of the auxiliary support 2 is changed. can be fixed.

The fixture 3 includes a body 31 coupled to the crutch body 1, and a pair of fixing members 32 coupled to the body 31 and capable of approaching and separating from the auxiliary support 2 by axial rotation. ) can be made including.

Referring to the drawings, the body 31 includes a pair of facing coupling plates 314, and each coupling plate 314 is coupled to both sides of the support 12 of the crutch body 1, and the coupling plate ( 314 is formed with a fixing hole 312 through which the fastening member passes. Through the fixing hole 312, a fastening member (not shown) passes through and is coupled, and the body 31 is fixed to the crutch body 1 by fixing the coupling plate 314. Two shaft holes 311 are formed in the body 31, and shafts (not shown) are interposed in each shaft hole 311 to which the fixing member 32 is coupled.

On the other hand, the body may further include a connection plate 315 connecting a pair of coupling plates 314 to be coupled with the handle portion 11 of the crutch body 1 and having a fixing hole 312 formed thereon. By means of the connecting plate 315, the fixing strength of the body 31 can be further improved or the position of the body 31 can be adjusted more freely.

The fixing member 32 consists of a pair of pressing pieces 321 that are pressed by hand, a center piece 322 provided at one end of the pressing piece 321 and having a hole through which an axis passes, and extending from the center piece 322. It is made of a coupling piece 323 on which a protrusion 324 is formed at one end. In addition, an elastic member 325 (spring) is interposed between each pressing piece 321 so that the position of the fixing member 32 can be restored.

Accordingly, when the auxiliary support 2 is unfolded, the locking protrusion 324 of the fixing member 32 can maintain a hooked state in the coupling hole 214 of the extension member 21 and the position of the auxiliary support 2 is firmly established. can keep you

On the other hand, the body 31 is disposed between the pair of fixing members 32 to maintain the spacing between the fixing members 32 while maintaining the rigidity of the fixing member 32 bar-shaped spacing member ( 313) may be provided. In addition, the above-described connecting plate 315 may be provided at an appropriate position without providing a separate spacing member 313 to be used as a spacing member.

The crutches configured as above can be used as follows.

3 is a perspective view showing a state in which the auxiliary support is folded in the crutch according to an embodiment of the present invention, and FIG. 4 is a perspective view showing a state in which the auxiliary support is unfolded in the crutch according to an embodiment of the present invention.

When the user uses the crutches 100 for general walking, the auxiliary support 2 is folded as shown in FIG. 3 . At this time, the rod constituting the support part 12 of the crutch body 1 is inserted into the groove 221 formed in the step member 22 of the auxiliary support body 2, so that it can be made compact and prevents interference with surrounding objects while preventing interference with surrounding objects. Can be used with crutches (100).

On the other hand, when going up the stairs or coming down from the stairs, the folded auxiliary support body 2 can be unfolded. The user first presses both pressure pieces 321 of the fixing member 32 to spread the space between the two engaging pieces 323 on which the protrusions 324 are formed. In this state, the auxiliary support 2 is unfolded so that the first extension body 211 is in a horizontal state and the third extension body 213 is in a vertical state. At this time, when the pressed state of the pressure piece 321 is released, both coupling pieces 323 are retracted by the action of the spring, and the locking protrusion 324 is coupled to the coupling hole 214 to fix the position of the auxiliary support body 2. do.

In this state, you can go up or down the stairs as shown in FIG. 5, and the crutch body 1 and the auxiliary support body 2 simultaneously serve as support, and the force is distributed to the crutch body 1 and the support body at the same time, so it is easy to climb the stairs. can go up or down.

On the other hand, when moving the position of the auxiliary support (2) and the fixture (3), loosen the fastening member that fixes the position of the auxiliary support (2) and the fixture (3), and then remove the auxiliary support (2) and the fixture (3). It is possible to fix the auxiliary support 2 and the fixed body 3 by adjusting the position and fastening the fastening member again.

The above-described stair crutches are not limited to the configuration and method of the above-described embodiments, but the above embodiments may be configured by selectively combining all or part of each embodiment so that various modifications can be made. there is.

Although the detailed description of the present invention described above has been described with reference to preferred embodiments of the present invention, those skilled in the art or those having ordinary knowledge in the art will find the spirit and spirit of the present invention described in the claims to be described later. It will be understood that the present invention can be variously modified and changed within the scope of not departing from the technical field.

1: crutch body
11: handle part 111: horizontal frame 112: connection frame
113: handle 114: adjustment hole
12: support 121: support 122: contact member
2: auxiliary support
21: extension member 211: first extension body 212: second extension body 213: third extension body
214: coupling hole
22: step member 221: groove
3 : fixture
31: body 311: shaft hole 312: fixing hole 313: spacing member
314: coupling plate 315: connection plate
32: fixing member 321: pressing piece 322: center piece 323: coupling piece
324: stumbling block 325: elastic member
100: crutches

Claims (5)

A crutch body that assists the user's walking by contacting the ground according to the user's operation;
An auxiliary support coupled to the crutch body to be axially rotated and capable of changing its position in an unfolded or folded state with respect to the crutch body, and
A fixture coupled to be fixed to the crutch body and coupled to the auxiliary support in a state in which the auxiliary support is unfolded to fix the position of the auxiliary support
Crutches containing a. According to claim 1,
The auxiliary support and the fixing body can be combined with the crutch body at various points, so that the position can be moved. According to claim 1,
A coupling hole is formed at one end of the auxiliary support,
The fixing body has a holding protrusion formed at one end and a fixing member disposed in the form of tongs,
Crutches in which the locking protrusion of the fixing member is coupled to the coupling hole of the auxiliary support to fix the position of the auxiliary support. According to claim 1,
The auxiliary support,
An extension member having one end rotatably coupled to the crutch body and
It is coupled to the other end of the extension member and contacts the stairs, and when the auxiliary support rotates in the direction of the crutch body, a groove is formed through which the crutch body can enter so that the auxiliary support is positioned parallel to the crutch body. stepping member
Crutches containing a. According to claim 4,
The extension member,
A first extension body having a coupling hole formed and coupled to the crutch body so as to be axially rotated and extending in one direction;
A second extension that is bent and extended from the first extension, and
A third extension body bent and extended in the same direction as the first extension body at the end of the second extension body and having a stepping member coupled to the end thereof.
Crutches containing a.

Images