WO2017131398A1

WO2017131398A1 - Height adjustment device

Info

Publication number: WO2017131398A1
Application number: PCT/KR2017/000753
Authority: WO
Inventors: 이명아
Original assignee: 이명아
Priority date: 2016-01-29
Filing date: 2017-01-23
Publication date: 2017-08-03
Also published as: KR20170090684A; KR101801650B1

Abstract

The present invention provides a height adjustment device comprising: a head including a handle, a push button having a return spring, and a push rod extending to a lower part of the push button so as to move up and down and having an elongated hole; a main pole bar including an outer pipe connected to the lower part of the head, an inner pipe provided inside the outer pipe and moving up and down by the push rod, and a support of which an upper end portion is inserted into the push rod and fixedly coupled to the elongated hole by a fixing pin and of which a lower end portion supports a compression spring; an extensible pole bar inserted into or withdrawn from the main pole bar, and having a plurality of stopping grooves formed on the outer peripheral surface thereof and the compression spring embedded therein in a state of being supported by the lower end portion of the support; and a pole bar cap comprising a fixing cap having a locking hole, a lower cap provided so as to encompass and support the outer periphery of the extensible pole bar, an adjusting cap provided to the outer periphery of the fixing cap and coupled to the inner pipe by a fixing bolt horizontally passing through the elongated hole, and a stopper mounted in the locking hole and of which side surfaces are pressed and caught by the stopping groove such that the extensible pole bar is fixed, wherein when the push button is pressed, the inner pipe and the adjusting cap, which are coupled by the fixing bolt, are guided in the elongated hole and move downward together, and the stopper is separated from the stopping groove such that a fixing force for the extensible pole bar is released, thereby enabling height adjustment.

Description

Elevator

The present invention relates to a height adjustment device, and more particularly to a height adjustment device that can be used freely and easily adjustable and stretchable and fixed length.

In general, climbing sticks, bicycle saddles, desk legs are designed to adjust the height.

Climbing, for example, refers to the act of climbing the mountain to strengthen minds and pleasures, and to use it as a leisure or sport, or to climb a dangerous mountain as a challenge to the unknown world. It is necessary to maintain the balance of the body when hiking to support loads or do not have uniform terrain. In recent years, climbing sticks have become an essential item for climbers, and the demand is increasing. It's coming out.

These climbing sticks go beyond the role of a cane, and share a large portion of the walking labor that relies on only two legs on the arm, which reduces the user's physical consumption and speeds up the walking speed.

In other words, to maintain the balance of the user in the uneven terrain of the hiking trails to reduce the impact of the knees in the ascent is really the first helper of safe hiking. At this time, the length of the climbing stick is ideal for the angle of the elbow joint is 90 ° when holding the stand, it is recommended to use 10 ~ 15cm long when climbing the slope or hill, and height to fit the user's body shape to suit various situations It is necessary to adjust the use.

Referring to FIG. 1 as a related art for a climbing stick, the Republic of Korea Utility Model Registration No. 20-0219048 (published on April 02, 2001) can absorb impact force while making surface contact with a roadbed when it is worn out. The guide part 1 provided at the lowermost part as a rubber pad and the lower pole pole 2c on which the guide part 1 is fixed are inserted into or withdrawn from the upper pole pole 2a to be adjusted and at the same time the nut ( 2b) is connected to the length adjusting means (2) provided to be fastened and secured, and the pressing portion (3a), which is built into the handle (5) fixed to one side of the upper pole (2a) and protrudes out of a certain portion According to the present invention, there is disclosed a stick including a horn 3 which operates according to the present invention, and a luminous band 4 provided around the upper and

lower pole poles

2a and 2c and provided for easy identification.

However, the conventional climbing sticks require a lot of power to adjust the height, so the operation is very cumbersome, and it is not easy for the female or the elderly to operate, it takes time, and it is inconvenient to stretch and fix the height as much as the user wants. There is a problem of poor usability and convenience.

The present invention has been made to solve all the above problems, it is possible to easily and quickly extend the length of the device easily and quickly by using a compression spring only one-touch operation of the push button, can be easily fixed after stretching to the desired length Because it is convenient, it can be quickly responded to the operation in a variety of use environment to provide a height adjustment device that anyone can use easily and conveniently.

In addition, the present invention stretch and stretch the length can be freely adjusted, it is possible to continue to maintain the adjusted length state, the height adjustment device that the length adjustment is smooth and smooth operation by installing a compression spring, return spring, return spring, etc. The purpose is to provide.

In order to solve the above problems, the present invention, a head including a handle formed with an inner hole, a push button mounted to the inner hole and the return spring is installed, and a push rod extending and lowered to move below the push button, the long hole is formed; ; An outer tube connected to the lower part of the head, an inner tube installed inside the outer tube and moved up and down by a push rod, and installed inside the inner tube, and fixed to the long hole by a fixing pin with an upper end inserted into the push rod. A main pole coupled to the lower end including a support for supporting the compression spring; An extension pole installed inside the inner tube to move in and out of the main pole, and a plurality of locking grooves are formed on the outer circumferential surface thereof, and the compression spring is supported while being supported by the lower end of the support; And a fixed cap fixedly coupled to the lower part of the outer tube, the cap having a plurality of long holes and lock holes formed on the outer circumference, and connected to the lower part of the fixed cap to be installed to surround and support the outer circumference of the extension pole, and to the outer circumference of the fixed cap. And a control cap coupled to the lower end of the inner tube through a fixing bolt that horizontally penetrates the long hole, and is mounted to the lock hole, and the side is pressurized by the control cap, and is a stopper that is locked to the locking groove to fix the extension pole. Including the pole cap made of, but pressing the push button, the inner tube and the control cap coupled through the fixing bolt is guided to the long hole and descends together, the stopper is released from the locking groove to release the fixing force on the extension pole is made of height adjustment It provides a height adjusting device characterized in that.

According to the present invention, it is possible to easily and quickly extend the length of the device easily and quickly by using a compression spring with only one touch operation of the push button, and can be easily fixed and expanded after the desired length. Corresponding to operation, anyone can use it easily and conveniently.

In addition, the present invention can be freely adjusted length and stretch, it is possible to continue to maintain the adjusted length state, there is an effect that the length adjustment is smooth and smooth operation by installing a compression spring, return spring, return spring, and the like. .

1 is a perspective view of a conventional climbing stick.

2 is an external perspective view of the height adjusting apparatus according to the embodiment of the present invention.

3A to 3F are views showing the configuration of a head according to an embodiment of the present invention.

4A to 4C are views illustrating a configuration of a main pole according to an embodiment of the present invention.

5 is a view showing the configuration of the extension pole according to an embodiment of the present invention.

Figure 6a is a cross-sectional view of the pole cap when the pushbutton is released, Figure 6b is a cross-sectional view of the push button push pole cap.

7A is a cross-sectional view when the height adjusting device is folded according to an embodiment of the present invention, and FIG. 7B is a cross-sectional view when the height adjusting device is stretched according to an embodiment of the present invention.

Hereinafter, with reference to the drawings will be described in detail with reference to specific embodiments for carrying out the height adjustment device according to the present invention.

Height adjustment device according to the present invention can be freely adjusted and stretched to the desired length through the locking and releasing operation for the stopper 450 while moving the control cap 430 according to the push or release of the push button 130 Is configured to be, as shown in Figure 2 comprises a head 100, the main pole 200, the extension pole 300, pole cap 400 and the spike 500.

Referring to FIGS. 3A to 3F, the head 100 includes a handle 100 formed at an outer side thereof and gripped by a user, and an inner hole 120 is formed inside the handle 100. The inner hole 120 is provided with a push button 130 and a push rod 140 extending below the push button 130 so that the push rod 140 moves up and down according to the push or release of the push button 130. .

At this time, the inner hole 120 is formed in the upper portion of the upper hole 121, the push button 130 is mounted, the lower hole 122 is formed in the lower portion is mounted to the push rod 140 is moved up and down, and Next to the hole 122, an access groove 123 is formed in which the locking piece 131 connected to the lower side of the push button 130 enters and exits.

In addition, the handle 110 has a drawing hole is formed on one side, the intermittent ring 112 is installed in the lower portion of the upper inner hole 121, the intermittent projection 112a is formed on the outer periphery of the intermittent ring. Here, the intermittent protrusion 112a is formed with two pairs of intermittent protrusions 112a facing each other.

In addition, the locking piece 131 is connected to the lower side of the push button 130, the locking piece 131 is moved up and down according to the push or release of the push button 130, push button 130 and the intermittent ring The return spring 132 is installed between the 112 and the push button 130 may be automatically returned to its original state when the push force is released after the push button 130 is pushed.

In addition, the locking lever 150 is installed to be coupled to the outer circumference of the intermittent ring 112 in the upper hole 121, the adjustment protrusion 153 corresponding to a part thereof is drawn out through the outlet to adjust the user It rotates and moves the protrusion 153 to lock or open the push button 130. The locking lever 150 has an empty inside, one end is opened, and the other end is closed to form a control protrusion 153, an intermittent groove having a number and shape corresponding to the intermittent protrusion 112a on its inner circumferential surface. 151 are formed and fastened with the intermittent protrusion 112a, and the locked position is changed as the lock lever 150 is rotated. The through hole 152 is formed at one end of the lock lever 153. Accordingly, when the push button 130 is pushed when the lock lever 153 is opened, the lock piece 131 passes through the through hole 152 of the lock lever 153 provided below and is inserted into the access groove 123. When the push is enabled, the locking lever 153 is rotated when the locking lever 153 is locked so that the position of the through hole 152 is slightly displaced. When the push button 130 is pushed, the locking piece 131 is pushed. The push is interrupted by the interference of the locking lever 153 provided on the lower side.

In addition, a pair of long holes 141 are formed through the lower both sides of the push rod 140 so as to face each other, and the fixing pin 142 penetrates the outside of the handle 110 and the upper end of the support 230 to support the support 230. ) Is fixedly coupled to the long hole 141 to support the compression spring 320 and at the same time the push rod 140 can be moved up and down.

4A to 4C, the main pole 200 has an upper end portion of the outer tube 210 inserted into and connected to the lower portion of the head 100, and the inner tube 220 moves up and down inside the outer tube 210. It is installed so as to have a predetermined play, and the support 230 is installed on the inner side of the inner tube 220 spaced apart.

At this time, the upper portion of the inner tube 220 is installed so that the inner ring 221 is installed in the lower hole 122 at the same time as the lower side of the push rod 140, the inner ring 221 is a hole in the center Is formed is passed through the upper end of the support 230 is fixedly connected to the long hole 141 by the fixing pin 142. Accordingly, when the push rod 140 pushes the inner ring 221 when the push button 130 is pushed, the inner tube 220 coupled to the lower portion of the inner ring 221 is lowered, and the push button 130 is pressed. When the push is released, the inner ring 221 and the inner tube 220 return to the upper side together.

In addition, a fixing ring 222 is coupled to the lower portion of the inner tube 220, the fixing ring 222 is formed with a fixing groove 222a recessed inward along the outer circumferential surface, thereby fixing cap 410 to be described later The fixing bolt 440 horizontally penetrates the long hole 411 of the front end is fastened to the fixing groove (222a) is provided so that the control cap 430 and the inner tube 220 is combined to move up and down together.

In addition, the support 230 has an upper end inserted into the push rod 140, and a short hole 231 is formed through the upper end thereof, and the fixing pin 142 penetrates through the short hole 231 to open the long hole of the push rod 140. 141 is fixedly coupled, the support ring 232 is coupled to the lower end, the support ring 232 is installed to be inserted into the extension pole 300, the extension pole 300 of the main pole 200 As it enters and exits, it supports the compression spring 320 which is built in and stretched in the extension pole 300.

Referring to FIG. 5, the extension pole 300 is made of a light and excellent metal such as duralumin, and is installed to have a predetermined clearance to be moved up and down inside the inner tube 220, and is supported by the support 230. It is installed spaced apart, and enter and exit the main pole 200.

At this time, the upper end of the extension pole 300 is connected to the upper cap 310 is formed with a plurality of grooves, the upper cap 310 is made of plastic, the diameter of the upper cap 310 is the diameter of the extension pole 300 It is made somewhat larger so that the extension pole 300 in a state in close contact with the inner circumferential surface of the inner tube 220 can be moved flexibly and smoothly.

In addition, a compression spring 320 is embedded inside the extension pole 300 while being supported by the support ring 232, and a plurality of locking grooves 330 are formed on the outer circumferential surface of the extension pole 300.

6A and 6B, the pole cap 400 is installed at the connection portion of the main pole 200 and the extension pole 300, and a fixed cap 410 made of a substantially cylindrical shape at the bottom of the outer tube 210. This is fixed fixedly. At this time, the fixing cap 410 is the upper portion is fixedly coupled to the lower portion of the outer tube 210 by the fixing member, a plurality of long holes 411 are formed in the vertical direction, made of an arc shape on the lower side of the long holes 411 A plurality of lock holes 412 are formed in the horizontal direction.

The lower cap 420 is connected to the lower portion of the fixed cap 410, the lower cap 420 is supported by wrapping the outer circumference of the extension pole 300 to move up and down is formed with a tapered surface 421 on the outer peripheral surface.

The control cap 430 is installed on the outer circumference of the fixed cap 410, the control cap 430 is formed with a plurality of fixing holes in the upper portion, the protrusion 432 and the groove 433 on the outer circumference alternately in the horizontal direction Is formed to allow the user to easily grip and adjust when adjusting the length manually.

In addition, a plurality of stoppers 450 are mounted in the plurality of locking holes 412, and the stoppers 450 have an arc shape. In the case of using a conventional ball-shaped stopper, there is a problem in that a strong force is partially applied to the member, so that there is a problem that the cutting or the play occurs frequently. However, in the present invention, an arc-shaped stopper 450 is used to stop the locking groove 330. A large area can be supported, and excellent support strength can be ensured even if the material has a high strength or the depth of the locking groove 330 is not deep.

In addition, the adjusting cap 430 is formed in the intermediate inner surface of the pressing protrusion 434 protrudes inward to press the side of the stopper 450 mounted on the locking hole 412, the stopper 450 in the locking groove 330 It is possible to prevent the gap with the extension pole 300, and to support the extension pole 300, it is convenient to stretch and stretch the extension pole 300 to a desired length and then easily fixed.

In addition, the adjustment cap 430 is provided with a return spring 435 on the lower inner side. That is, the return spring 435 is installed on the lower outer periphery of the fixing cap 410 on the upper side of the lower cap 420, the control cap 430 according to the push of the push button 130 is lowered to the extension pole 300 After adjusting the withdrawal length as desired, release the push of the push button 130, the control cap 430 is returned to its original state by the action of the return spring 435 to press the stopper 450 of the extension pole 300 Fixation is made.

Fixing bolt 440 is preferably a headless bolt without a head, penetrates the fixing hole of the control cap 430 in the horizontal direction and passes through the long hole 411 of the fixing cap 410, of the inner tube 220 It is fixedly coupled to the fixing groove 222a of the fixing ring 222 coupled to the lower end.

In addition, the extension pole 300 has a spike 500 is formed in contact with the ground at the bottom.

When the height adjustment device with the arrangements according to the present invention is folded, the drawing and the drawing at the same time are as shown in Figs. 7a and 7b, respectively.

Hereinafter, the operation of the height adjusting device according to the present invention with reference to the drawings will be described in detail.

In the state in which the height adjustment device is folded as shown in Figure 6a, by pressing the push button 130 in the state of opening the device by rotating the lock lever 150, as shown in Figure 6b push rod 140 is lowered, push rod 140 While the inner tube 220 is pushed down the fixed bolt 440 fixedly coupled to the inner tube 220 is guided along the long hole 411 is lowered. At this time, the adjustment cap 430 coupled with the fixing bolt 440 is also lowered, and the pressure protrusion 434 of the control cap 430 is also lowered together so that the stopper 450 is separated from the locking groove 330, Eventually, the fixing force for the extension pole 300 is released and the compression spring 320, which is supported and supported by the support 230, is stretched and the extension pole 300 is drawn out of the main pole 200 to the apparatus. The length of is elongated. At this time, while holding the push button 130 while holding the spike 500 on the ground, while holding the handle 110 and applying a force to the lower side to adjust the device to the desired length of the push button 130) When is released, the fixed length is maintained. In addition, when the locking lever 150 is rotated, the device is locked, and the length of the device is not arbitrarily stretched even when the pushbutton 130 is accidentally pressed.

Here, when the push button 130 releases the push, the push button 130 and the push rod 140 are automatically lifted up and returned by the return spring 132, and the inner tube 220 pushed on the push rod 140. As it rises, the fixing bolt 440 fixedly coupled to the inner tube 220 rises while being guided along the long hole 411. At this time, the adjustment cap 430 coupled with the fixing bolt 440 also rises together, and the pressing protrusion 434 of the adjustment cap 430 also rises together to press the side of the stopper 450 to stop the stopper 450. It is caught in the locking groove 330, the fixing force to the extension pole 300 is maintained and the compression spring 320 inside the extension pole 300 is supported by the support 230 as shown in Figure 6a.

After all, according to the present invention, it is possible to easily and quickly extend the length of the device easily and quickly by using a compression spring only by one-touch operation of the push button, and can be easily fixed after stretching the desired length, so Anyone can use it easily and conveniently because it can be operated quickly and easily, and the extension and fixing of the length can be freely adjusted, and the condition of the adjusted length can be maintained continuously, and the compression spring, return spring and return spring are installed. By adjusting the length is smooth and smooth operation.

In the present invention, the above embodiment is only one example, and the present invention is not limited thereto. Anything that has substantially the same configuration as the technical idea described in the claims of the present invention and achieves the same effect is included in the technical scope of the present invention.

In particular, the present invention has been described with respect to the stick for climbing in the above embodiment, but is not limited thereto, and may be used for various purposes such as adjusting the height of the bicycle saddle, adjusting the height of the desk leg.

Another height adjustment device according to the present invention can be easily and quickly stretch the length of the device easily and quickly by using a compression spring only one-touch operation of the push button, it can be easily fixed and stretched to the desired length, so that various usage environment Anyone can use it quickly and easily because it can be operated in the industrial environment.

Claims

A head including a handle having an inner hole, a push button mounted to the inner hole and having a return spring installed therein, and a push rod extending downward of the push button to move upward and downward;

An outer tube connected to the lower part of the head, an inner tube installed inside the outer tube and moved up and down by a push rod, and installed inside the inner tube, and fixed to the long hole by a fixing pin with an upper end inserted into the push rod. A main pole coupled to the lower end including a support for supporting the compression spring;

An extension pole installed inside the inner tube to move in and out of the main pole, and a plurality of locking grooves are formed on the outer circumferential surface thereof, and the compression spring is supported while being supported by the lower end of the support; And

It is fixedly coupled to the lower portion of the outer tube, a fixed cap formed with a plurality of long holes and locking holes on the outer periphery, the lower cap is connected to the lower portion of the fixed cap installed to surround the outer circumference of the extension pole, and is installed on the outer periphery of the fixed cap And a control cap coupled to the lower end of the inner tube through a fixing bolt that horizontally penetrates the long hole, and is mounted to the locking hole, and the side is pressurized by the control cap, and a stopper fixed to the locking groove to secure the extension pole. Including pole to cap,

Pressing the push button, the inner tube and the adjustment cap coupled through the fixing bolt is guided in the long hole and descends together, the height adjustment device characterized in that the height is adjusted by releasing the fixing force to the extension pole as the stopper is released from the locking groove .
The method of claim 1,

The push button is formed with a locking piece on the lower side,

The handle is formed with a drawing hole on one side, the intermittent ring is installed on the inside of the drawing hole, the locking lever is attached to the outer periphery of the intermittent ring,

As the locking lever is formed with a through hole, and a part thereof is drawn out and rotated, the locking piece passes through the through hole to be pushed, or the locking piece does not pass through the through hole and is provided to be interrupted by the locking lever. Height adjustment device, characterized in that.
The method of claim 1,

The inner ring is installed on the upper part of the inner tube to receive the push force of the push rod and pass through the upper end of the support.

The fixing ring is coupled to the lower portion of the inner tube, the fixing ring is a height adjustment device characterized in that the fixing groove is formed along the outer circumferential surface is fixed by the fixing bolt penetrating horizontally through the long hole of the fixing cap.
The method of claim 1,

The support is coupled to the lower end of the support ring, the support ring is inserted into the upper end of the extension pole is installed, the height adjustment device characterized in that for supporting the compression spring built in the extension pole to enter and exit the main pole.
The method of claim 1,

Adjusting cap is a height adjustment device, characterized in that the fixing hole is formed on the upper side and the fixing bolt is horizontally coupled through, the protrusion and the groove is formed on the outer circumferential surface.
The method of claim 1,

Adjusting cap is a height adjustment device characterized in that the pressing protrusion is formed in the middle to press the side of the stopper.
The method of claim 1,

Height adjustment device, characterized in that the inner bottom of the adjustment cap is installed on the outer circumference of the fixed cap to raise and return the control cap lowered by the push of the push button.
The method of claim 1,

The stopper is a height adjusting device, characterized in that formed in an arc shape.