KR101261783B1 - Apparatus for adjusting the height - Google Patents

Abstract

The present invention is a stick cap installed on the top, the control lever is connected to the stick cap is installed to enable height adjustment, the main pole pole connected to the lower portion of the stick cap, and the in and out of the main pole pole It relates to a height adjustment device including a secondary extension pole, the main pole, the inner tube and the outer tube is installed together, the height adjustment compression spring is installed along the outer circumferential surface of the outer tube, the primary extension The pole is drawn in and out of the inner tube by expansion and contraction of the compression spring, and a moving shaft having a plurality of locking grooves formed along a longitudinal direction is installed therein, wherein the inner tube has a ball-locked lock key. Is connected to the lower end, the ball is caught in the locking groove to fix the moving shaft, and the outer tube is moved up and down by the operation of the control lever Provides an elevator apparatus characterized in that locking it occurs and release for the mobile shaft of the locking key.
According to the present invention, through the locking and unlocking of the ball-mounted locking key can be adjusted freely to the height and extension of the height as desired, to prevent the loosening during use to maintain the adjustment state, when storing The control lever can be prevented from being pressed arbitrarily, and the body's load can be sufficiently supported, as well as the adjustment spring and the shock-up spring, so that the height adjustment is smoother and more flexible.

Description

Height adjusting device {APPARATUS FOR ADJUSTING THE HEIGHT}

The present invention relates to a height adjustment device, and more particularly to a convenient height adjustment device that can be freely adjusted to stretch and fix the length to adjust the height of the climbing stick, bicycle saddle, desk legs and the like.

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 is being released.

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 a 10 ~ 15cm long when climbing the slope or hill, depending on the situation depending on the user's body type It needs to be adjusted and used.

As a conventional technology related to a stick for climbing, Korean Registered Utility Model Publication No. 20-0219048 is disclosed in FIG. 1, and its structure is designed to allow the stick to make a surface contact with the roadbed when worn out and to absorb the impact force. The guide part 1 provided as the lowermost part as a 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, and the nut 2b after adjustment is completed. According to the connection of the length adjusting means (2) which is provided so as to tighten fastening and the pressing portion (3a), which is built into the handle (5) fixed to one side of the upper pole (2a) and protrudes outward a certain portion The horn 3 is operated, and the luminous strip 4 is provided to surround the upper and lower pole poles 2a and 2c and to be easily identified.

However, the conventional climbing sticks require a lot of power to adjust the height, so the operation is very cumbersome, not only for women or the elderly, but also for the strong men, it is not easy to operate, it takes a lot of time, as well as the height of the climbing stick It is inconvenient to stretch and fix as much as you want, and there is a problem of poor usability and convenience.

In addition, in the case of using the conventional climbing stick, the pole is not firmly tightened during use because it is not tightly tightened, or when carrying the folding stick, the stick is shaken or shocked when the pole is randomly drawn out, and thus the adjustment state continues. There is a problem that can not be maintained, not enough to support the load of the body.

The present invention has been made to solve all the above-described problems, and can be freely adjusted and stretched as much as desired through the locking and releasing by the ball, the loosening is prevented during use to maintain the adjustment state It can prevent the control lever from being pressed arbitrarily during storage, and it can support the load of the body as well as the adjustment spring and the shock up spring, so that the height adjustment is not only smoother but also soft and flexible. It is an object of the present invention to provide a height adjusting device which can be operated easily.

In addition, the height of the device can be easily changed using the force of the compression spring only by the simple rotation of the control lever. It is also an object of the present invention to provide a height adjusting device that can be quickly and manipulated in various usage environments and has excellent usability and convenience.

In addition, the locking and opening of the adjustment nut having a tapered shape, the rotation of the fixed lever and the elasticity of the fixed spring to fix or release the pole, thereby providing a height adjustment device that is excellent in supporting power and convenient to operate. There is this.

In order to solve the above problems, the present invention provides a stick cap installed at an upper end, an adjustment lever connected to the stick cap to enable height adjustment, a main pole pole connected to a lower portion of the stick cap, and an inside / outside of the main pole pole. In the height adjustment device comprising a primary and secondary extension pole to be pulled in and out, the main pole pole, the inner tube and the outer tube is installed together inside, the height adjustment compression spring is installed along the outer circumferential surface of the outer tube The primary extension pole is drawn in and out of the inner tube by expansion and contraction of the compression spring, and a moving shaft having a plurality of locking grooves formed along a longitudinal direction is installed therein, wherein the inner tube is a ball. The mounted locking key is connected to the lower end, the ball is caught in the locking groove to fix the moving shaft, the outer tube by the operation of the control lever It is provided with a height adjustment device characterized in that the locking and unlocking of the locking shaft with respect to the moving shaft as the up and down movement.

At this time, the stick cap, the cap holder having a receiving space therein, the opening hole formed through the one side of the cap holder, the hinge pin installed in the opening hole so that the control lever is rotatable, the upper side of the opening hole It also features a support ring protruding outward to support the control lever, and the insertion hole is formed in the middle of the cap holder penetrated to secure the inner tube is inserted.

In addition, the control lever, the support piece is installed in contact with the support ring, the control piece is installed to be rotatable connected to the support piece by a connecting pin, the hinge hole through which the hinge pin is coupled, and the inner housing of the stick cap It is also characterized by including a moving piece which is inserted into the space and moves the outer tube up and down by the operation of the adjusting piece.

In addition, a portion of the inner tube and the outer tube is accommodated in the lower portion of the stick cap, it is characterized in that the adjustment spring is installed to be connected to the upper end of the outer tube on the top of the stick cap.

In addition, the main pole, the primary and secondary extension poles are accommodated together, the inner tube is a passage for moving the movement shaft of the primary extension pole, the movement in the vertical direction by the operation of the control lever. The primary expansion pole while moving along the inner circumferential surface of the main pole by the outer tube installed on the outside of the inner tube, the height adjustment compression spring installed along the outer circumferential surface of the outer tube, and the expansion and contraction of the compression spring at the bottom It is also characterized by including a moving piston to pressurize.

In addition, the main pole, the locking key for fixing the movable shaft is installed in the lower end of the inner tube, the movement shaft of the locking key as the outer tube moves up and down by the operation of the control lever. This is also true for locking and unlocking.

In addition, the outer tube is characterized in that the through-hole is formed in the longitudinal direction on both sides of the upper end, a portion of the control lever is inserted into the long hole to enable the outer tube to move up and down.

In addition, the inner tube is characterized in that a short hole is formed through the upper end, the fixing pin passing through the insertion hole is coupled to the short hole to fix the inner tube.

Furthermore, the locking key has a plurality of lock chucks are formed at the bottom, a lock hole is formed inside the lock chuck, it is also characterized in that the ball is mounted in the lock hole to be movable.

In addition, the primary extension pole is made of a double pipe of the inner, outer shell, the guide holder is connected to the moving piston to guide the movement of the primary extension pole, the upper end of the outer circumference of the inner tube located inside the guide holder It is also characterized in that it includes a shock-up spring installed in, and installed inside the inner tube, the lower end is extended to the outside and fixedly coupled to the inner tube, the moving shaft moves together with the movement of the moving piston.

Here, the main pole pole is coupled to the first pole cap at the lower end, the adjustment nut is formed so that the lower side is tapered downward to the outer side of the first pole cap is rotatably connected to tighten the primary extension pole pulled out by pressing It also has its features.

On the other hand, the second pole cap is coupled to the lower end of the primary extension pole, the fixing lever is coupled to the second pole cap to be rotatable by the rotation screw, the fixing lever is installed on the upper fixed spring, the lower end It is also characterized in that the pressing piece is detachably fastened to the fixing groove formed in the secondary extension pole.

According to the present invention, through the locking and releasing by the ball can be freely adjusted and stretched as high as desired, can be prevented loosening during use to keep the adjustment state, the storage lever is optional when storing It can be prevented from being pressed as well, and can sufficiently support the load of the body, as well as the adjustment spring and the shock-up spring, so that the height adjustment is not only smoother but also smooth and flexible.

In addition, by simply rotating the control lever, the height can be easily changed by using the force of the compression spring, and it can be easily fixed with the lock key after stretching the stick as much as you want. It can be quickly responded to the operation in the environment has the effect of having excellent usability and convenience.

In addition, by using the locking or opening of the adjustment nut having a tapered shape, the rotation of the fixing lever and the elasticity of the fixing spring, or the like, the pawl is fixed or released to provide excellent support and convenient operation.

1 is a perspective view showing an example of a conventional height adjusting device.
Figure 2 is a sectional view showing a part of the height adjusting device according to the present invention.
Figure 3 is an external perspective view of the height adjusting device according to the present invention.
Figures 4a to 4d is a cross-sectional view showing the main components according to the present invention, Figure 4a is a control lever, Figure 4b is a stick cap, Figure 4c is an outer tube, Figure 4d is a cross-sectional view showing the inner tube.
5A is a detailed cross-sectional view of the portion “A” of FIG. 3.
5B is a detailed cross-sectional view of the portion “B” of FIG. 3.
5C is a detailed cross-sectional view of the portion “C” of FIG. 3.
Figure 6 is a plan sectional view of the locking key of the present invention, Figure 6 (a) is a view when interrupted, Figure 6 (b) is a view when opened.
7 is a view showing the fixing and release operation of the secondary extension pole by the fixing lever of the present invention.
Figure 8 (a) and Figure 8 (b) is a cross-sectional view showing the operating state of the height adjustment of the height adjustment device of the present invention.
Figure 9 (a) and Figure 9 (b) is a cross-sectional view showing an operating state when the height adjustment device of the present invention.
10 is a view of the appearance showing the elongation relationship of the height adjusting device according to the present invention, Figure 10a is a view when the stick is folded, Figure 10b is a view when the stick is stretched.

The present inventors require a lot of power to adjust the height when using the conventional height adjustment device, very cumbersome operation, not easy to operate even in the case of women or the elderly and healthy men, it takes a lot of time, of course, It is not convenient to stretch and fix as much as user wants, and it is not only usability and convenience. It has been recognized that there is a problem that the control state cannot be maintained continuously due to being drawn out arbitrarily, and the load of the body is not sufficiently supported.

As a result of repeated studies and efforts to solve this problem, the present inventors can freely adjust the height and extension of the height as desired through locking and releasing by the ball, and prevent loosening during use to maintain the adjustment state. It can prevent the control lever from being pressed arbitrarily during storage, and it can support the load of the body as well as the adjustment spring and the shock up spring, so that the height adjustment is not only smoother but also soft and flexible. It is also possible to easily change the height by using the force of the compression spring by simply rotating the control lever, and it can be easily fixed with the lock key after stretching as much as you want. It can be quickly responded to in various usage environments for excellent usability and convenience. In addition, by using the locking or opening of the adjustment nut having a tapered shape, the rotation of the fixed lever and the elasticity of the fixed spring, etc. to fix or release the pole pole, the bearing capacity is excellent and the operation is convenient. The invention was completed.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

Height adjustment device (S) according to the present invention is configured to be freely adjusted and stretched as much as desired through the locking and unlocking operation by the ball by the operation of the control lever, largely pole pole 100, 1 It comprises a secondary extension pole 200, secondary extension pole 300, the stick cap 400 and the control lever 500.

Referring to Figures 2 and 3, the main pole pole 100 is the primary pole pole 200, 300, the inner accommodating together, the inner tube 110 and the outer tube 120 installed therein and And, including a height adjustment compression spring 130 is installed along the outer circumferential surface of the outer tube 120, and the moving piston 140 for pressing the primary extension pole by the expansion and contraction of the compression spring 130 and The main pole pole 100 may further include a first pole cap 150 and an adjustment nut 160 for fixing or releasing the primary pole pole 200 with the primary extension pole pole 200.

At this time, the inner tube 110 is to be a passage through which the movable shaft 250 in the primary extension pole 200 moves, and as shown in FIG. 4D, a short hole 112 is formed at the top, and the short hole ( 112, the fixing pin 113 is coupled through.

In addition, as shown in Figure 6, the lower end of the inner tube 110, the locking key 111 is fixed to the movable shaft 250 is installed, wherein the lock key 111 is a plurality of lower Lock chucks 111a are formed, preferably three.

In addition, the locking chuck 111a has a locking hole 111b formed therein, a ball 111c is mounted in the locking hole 111b, and the ball 111c is pressed by the outer tube 120. Is inserted into and fixed to any locking groove 251 formed on the movable shaft 250, the outer tube 120 is pulled up when the control lever 500 is pressed to release the ball (111c) Pressure is released, and thus the moving shaft 250 is moved downward, and the moving shaft 250 is moved while pushing the ball 111c outwards on the locking hole 111b. The height of the S) can be extended, and since the ball 111c having a spherical shape is used to the locking key 111, the movement of the movable shaft 250 is made smoothly and the height adjusting device S ) Durability is increased.

The outer tube 120 is installed on the outer side of the inner tube 110, and moves in the up and down direction by the operation of the control lever 500.

Here, the outer tube 120 has a long hole 121 is formed along the longitudinal direction on both sides of the top, as shown in Figure 4c, the moving piece 550 of the control lever 500 is inserted into the long hole 121 is The outer tube 120 is moved in the up and down direction, thereby causing locking and releasing of the locking shaft 111 to the moving shaft 250.

That is, in the state in which the inner tube 110 is fixed to the fixing pin 113, the moving piece 550 of the control lever 500 is inserted into the space of the long hole 121 and then at the top of the long hole 121. In this case, as the control lever 500 is operated up and down, the outer tube 120 caught on the movable piece 550 is movable up and down.

In addition, the compression spring 130 is installed along the outer circumferential surface of the outer tube 120 and stretched to allow the primary extension pole 200 to be pulled in and out from the main pole pole 100.

In addition, at the lower end of the main pole pole 100 is moved piston 140 for pressing the primary extension pole 200 while moving along the inner circumferential surface of the main pole pole 100 by the expansion and contraction of the compression spring 130 is Is installed.

In addition, as shown in Figure 5b, the main pole pole 100 is coupled to the first pole cap 150 at the bottom, the adjustment nut formed so that the lower side is tapered to the outer side of the first pole cap 150 ( 160 is rotatably connected.

That is, by pressing the control lever 500 to unlock the lock key 111, by pressing the moving piston 140 by the action of the compression spring 130 to push the primary extension pole 200 After withdrawing from the main pole 100, the adjusting nut 160 is moved upward by rotating the adjusting nut 160, thereby pressing the adjusting nut 160, the primary extension is drawn out It is to fasten the pole 200.

In this case, in order to smoothly rotate the adjustment nut 160, a thread is formed on the inner circumferential surface of the adjustment nut 160, and a thread of a shape corresponding to the shape may be formed on the outer circumferential surface of the first pole cap 150. have.

The primary extension pole 200 is internally accommodated in the main pole pole 100 is drawn in and out, so that the height of the height adjustment device (S) is elongated or reduced, double pipe of the inner tube 210 and the appearance 220 Is done.

In addition, the primary extension pole 200 is in contact with the lower jaw of the movable piston 140 is provided with a guide holder 230 for guiding the movement of the primary extension pole 200, the moving piston ( The inner tube 210 is connected to the lower protruding surface of the 140, and the exterior 220 is connected to the lower portion of the guide holder 230, and the primary extension is performed according to the movement of the moving piston 140 up and down. The pole 200 is also moving together.

In addition, a shock-up spring 240 is installed at an upper end of the outer circumferential surface of the inner tube 210 located inside the guide holder 230, and the shock-up spring 240 is pressed down by pressing the control lever 500. By adjusting the height of the shock-up spring 240, the height adjustment device (S) can be smoothly and flexibly acted on the ground.

In addition, the inner shaft 210 is installed inside the moving shaft 250 along the longitudinal direction, the lower end of the movable shaft 250 is fixed to the inner tube 210 is fixed to the inner tube 210, the compression spring Due to the expansion and contraction of the 130, the moving piston 140 moves up and down together as the inner circumferential surface of the main pole pole 100 moves, thereby moving the primary extension pole 200 into the inside of the main pole pole 100. It can be taken in and out.

At this time, the movable shaft 250 is formed by repeatedly alternating protrusions formed in the outer side and grooves formed in the recessed inward, in particular the engaging groove 251 is formed in the groove, the locking hole 111b of the locking chuck (111a) The ball 111c mounted on the) is inserted into the locking groove 251 to intervene that the height of the height adjusting device S is no longer extended or reduced.

And, as shown in Figure 5c, the second pole cap 260 is coupled to the lower end of the primary extension pole 200, the fixing lever 270 to the second pole cap 260 is a rotating screw 271 It is coupled to be rotated by, wherein the fixing lever 270 is fixed spring 280 is installed on the top, the lower end is fastened to be detachable to the fixing groove 310 formed in the secondary extension pole 300 The pressing piece 290 is formed.

That is, after pulling out the secondary extension pole 300, which is internally accommodated in the primary extension pole 200 to the outside, and manually pulled out, as shown in Figure 7 the pressing piece of the fixed lever 270 ( 290 is mounted on the fixing groove 310, and when the height adjusting device (S) is folded, pressing the portion of the fixing lever 270 in which the fixing spring 280 is installed, the pressing piece 290 of the fixing lever 270 ) Is separated from the fixing groove 310, whereby the secondary extension pole 300 is inserted into the primary extension pole 200 is folded.

In addition, the secondary extension pole 300 is internally accommodated in the primary extension pole 200, a spike is formed in contact with the ground at the bottom, the fixing groove 310 is formed at the top, manually by the user Withdrawn.

The stick cap 400 is formed so that the cap holder 410 constituting the body has an accommodation space 410a therein, and an opening hole 420 is formed through one side of the cap holder 410, and the opening The ball 420 is provided with a hinge pin 430 is provided so that the control lever 500 is rotatable.

In addition, the support ring 440 is formed to protrude outward to support the control lever 500 on the upper side of the opening hole 420, the insertion hole 450 is formed in the middle of the cap holder 410 After the fixing pin 113 is inserted through the insertion hole 450, the fixing pin 113 is coupled to the end hole 112 formed at the upper end of the inner tube 110 to fix the inner tube 110.

Here, a portion of the upper end of the inner tube 110 and the outer tube 120 is accommodated in the lower portion of the stick cap 400, the control spring 470 is the outer tube 120 in the upper portion of the stick cap 400. Is installed to be connected to the top of the), the height adjustment of the height adjustment device (S) more smoothly, more flexible operation, the return of the outer tube 120 can be made easily.

As shown in Figure 5a, the control lever 500 is installed so that the support piece 510 is in contact with the support ring 440 can be firmly supported so that the control lever 500 does not flow, the support Piece 510 is connected to the adjusting piece 530 by a connecting pin 520.

In addition, the adjusting piece 530 is connected to the connecting pin 520, the rotation is limited to the lower side when pressing the control piece 530 down the force is moved without rotating with the connecting pin 520 It is transmitted to the piece 550 as it is, the outer tube 120 can be moved in the up and down direction.

And, the adjustment piece 530 is rotated to the upper side is not limited, when the storage without using the height adjustment device (S) by rotating the adjustment piece 530 to the upper side by storing the adjustment lever 500 It can be prevented to be pressed arbitrarily.

In addition, a hinge hole 540 is formed in the middle of the control lever 500, the hinge pin 430 is installed through the stick cap 400 is coupled through, the moving piece extending from the hinge hole 540 After the 550 is inserted into the inner receiving space 410a of the stick cap 400, the control piece 530 is manipulated so that the movable piece 550 is caught by the long hole 121 so that the outer tube 120 is disposed. ) Can be moved up and down.

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

In the state in which the height adjustment device (S) is folded as shown in FIG. 10A, first, the secondary extension pole 300, which is internally accommodated in the primary extension pole 200, is pulled out, and then the fixed lever ( The pressing piece 263 of the 260 is mounted in the fixing groove 310 to extend and fix the secondary extension pole 300.

And, as shown in Figure 8 (a) and 8 (b), pressing the control lever 500 down the outer tube 120 while moving the moving piece 550 caught in the long hole 121 is moved upwards To move upward.

Accordingly, as shown in Figure 6b is inserted into and fixed in any locking groove 251 formed in the movable shaft 250, the outer tube 120 is pulled up when the control lever 500 is pressed to unlock. As a result, the pressing force on the ball 111c is released, and thus the movable shaft 250 is freely movable downward, and the ball 111c is moved on the lock hole 111b while the movable shaft 250 moves. By pushing outwards, the locking engagement between the ball 111c and the locking groove 251 of the movable shaft 250 is eventually released and the compression spring 130 is extended and the primary extension pole 200 is pushed outward. Is drawn to the outside is the height of the height adjustment device (S) is made elongated.

At this time, the shock-up spring 240 is functioned by the force of the shock-up spring 240, the height adjustment device (S) acts on the ground smoothly and flexibly.

Here, when it is determined that the height adjustment device (S) is adjusted to the height that can be conveniently used by the user himself, as shown in Figs. 9 (a) and 9 (b) the force used to press the control lever 500 When release of the control spring 470 is extended and returned to the outer tube 120 is moved to the lower side again, as shown in Figure 6a the ball 111c of the locking key 111 is the locking groove of the moving shaft (250) 251 is seated on the lock coupling is made, and in this state, even if you pull the primary extension pole 200 or the secondary extension pole 300 will be locked without being pulled anymore.

In addition, in this state, when the adjusting nut 160 is rotated in the forward direction, the adjusting nut 160 is moved upwards, thereby tightening and fixing the primary extension pole 200 which is pushed out by the adjusting nut 160. .

Of course, if the primary extension pole 200 is first drawn out, the secondary extension pole 300 may be drawn out as much as possible.

On the other hand, in order to adjust the height of the height adjustment device (S) low to fold down, the user first rotates the adjustment nut 160 in the reverse direction to move the adjustment nut 160 downward to release the pressing force of the adjustment nut 160.

In this state, when the control lever 500 is pressed down again, the locking key 111 is released by the above-described action, and the compression spring 130 that is extended by pressing the lower end of the height adjusting device S is compressed. While the primary extension pole 200 is introduced into the inside of the main pole pole 100, while returning the control lever 500 to lock the height adjustment device (S) that was extended by locking operation with the lock key 111 is to be folded. will be.

In addition, pressing the portion of the fixed lever 270 is installed fixed spring 262, the pressing piece 290 is separated from the fixing groove 310, in this state the secondary extension pole 300 to the primary extension pole Insert it into the inside of 200 and fold it.

Of course, it is also possible to insert the secondary extension pole 300 into the first extension pole 200 first and then the primary extension pole 200 to the inside of the main pole 100.

In addition, by rotating the adjusting piece 530 upward to support the support ring 440, the adjustment lever 500 can be prevented from being pressed arbitrarily.

As a result, the height adjustment device (S) according to the present invention can be freely adjusted and stretched and fixed height as desired through locking and unlocking by the ball, it is possible to prevent the loosening during use to maintain its adjustment state It can prevent the control lever from being pressed arbitrarily during storage, and it can support the load of the body as well as the adjustment spring and the shock-up spring, so that the height can be adjusted smoothly and operate smoothly and flexibly. In addition, the height of the height adjusting device can be easily changed using the force of the compression spring by simply rotating the adjusting lever, and the height adjusting device can be easily stretched and fixed as desired and then easily fixed with the locking key. It can operate quickly in various usage environments such as uphill and downhill roads. In addition to the usability and convenience, by using the locking or opening of the adjustment nut having a tapered shape, the rotation of the fixing lever and the elasticity of the fixing spring, etc., the pole support is fixed or released to provide excellent support and convenient operation.

The present invention is not limited to the above-described embodiments. Anything having substantially the same constitution as the technical idea described in the claims of the present invention and achieving the same operational effect is included in the technical scope of the present invention.

In particular, the present invention has been described with reference 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, and the like.

1. Instructions 2. Length adjustment means
2a. Upper pole 2b. nut
2c. Lower pole pole 3. Horn
3a. Pressing part 4. Luminous strip
5. Handle 100. Main pole
110. Inner tube 111. Locking key
111a. Lock Chuck 111b. Lock hole
111c. Ball 112. Hole
113. Fixing pin 120. Outer tube
121. Longevity 130. Compression Springs
140. Moving piston 150. First pole cap
160. Adjustment nut 200. Primary extension pole
210. Interior 220. Appearance
230.Guide holder 240. Shock spring
250. Moving shaft 251. Hanging groove
260. Second pole cap 270. Locking lever
271. Rotating screw 280. Fixed spring
290. Push piece 300. Secondary extension pole
310. Fixing groove 400. Stick cap
410. Capholder 410a. Space
420. Opening holes 430. Hinge pins
440. Ji Won-hwan 450. Insertion hole
460. Locking Pin 470. Adjustment Spring
500. Adjustment lever 510. Supporting piece
520. Connecting Pin 530. Adjusting Piece
540. Hinges 550. Moving Pieces
600. Spike S. Height Adjust

Claims (12)

A stick cap installed at an upper end, a control lever connected to the stick cap to enable height adjustment, a main pole pole connected to a lower portion of the stick cap, and primary and secondary elongations drawn in and out of the main pole pole In the height adjustment device including a pole,
The main pole, the inner tube and the outer tube is installed together inside, the height adjustment compression spring is installed along the outer circumferential surface of the outer tube,
The primary extension pole is drawn in and out of the inner tube by the expansion and contraction of the compression spring, a moving shaft having a plurality of engaging grooves formed along the longitudinal direction is installed therein,
The inner tube, the locking key is mounted to the ball is installed at the bottom, the ball is locked to the locking groove to fix the moving shaft,
Height adjustment device, characterized in that the locking and release of the locking shaft to the moving shaft as the outer tube moves up and down by the operation of the control lever.
The method of claim 1,
The stick cap is a cap holder forming a body and having a receiving space therein, an opening formed through one side of the cap holder, a hinge pin installed in the opening so that the control lever is rotatable, and an upper side of the opening. A height adjustment device comprising a support ring protruding to support the control lever, and an insertion hole is formed penetrating the middle of the cap holder is fixed to the inner tube.
The method of claim 2,
The control lever, the support piece is installed in contact with the support ring, the control piece is connected to the support piece by a connecting pin rotatably installed, the hinge hole through which the hinge pin is coupled, and the inner space of the stick cap A height adjusting device comprising a moving piece inserted and moving the outer tube up and down by the operation of the adjusting piece.
The method of claim 1,
A portion of the inner tube and the outer tube is accommodated in the lower portion of the stick cap,
Height adjustment device, characterized in that the adjustment spring is installed on the top of the stick cap is connected to the top of the outer tube.
The method of claim 1,
The main pole, the primary secondary pole is accommodating together,
An inner tube that serves as a passage through which the moving shaft of the primary extension pole moves, an outer tube installed outside the inner tube to move upward and downward by operation of the control lever, and installed along an outer circumferential surface of the outer tube. A height adjustment device comprising a height adjustment compression spring, and a moving piston for pressing the primary extension pole while moving along the inner circumferential surface of the main pole by the expansion and contraction of the compression spring at the bottom.
The method of claim 1,
The main pole, the locking key for fixing the moving shaft is installed in the lower end of the inner tube, the locking of the locking key of the locking shaft as the outer tube moves up and down by the operation of the control lever. Height adjustment device, characterized in that and release occurs.
The method of claim 1,
The outer tube is a height adjustment device characterized in that the through-hole is formed in the longitudinal direction on both sides of the upper end, a portion of the control lever is inserted into the long hole to enable the outer tube to move up and down.
The method of claim 2,
The inner tube is formed with a short hole through the upper end, the height adjustment device characterized in that the fixing pin passing through the insertion hole is coupled to the short hole to fix the inner tube.
The method of claim 1,
The locking key is a plurality of lock chuck is formed at the bottom, the locking hole is formed inside the lock chuck, the height adjustment device characterized in that the ball is mounted in the lock hole to be movable.
6. The method of claim 5,
The primary extension pole consists of a double tube of internal and external,
A guide holder connected to the movable piston to guide movement of the primary extension pole;
A shock up spring installed at an upper end of an outer circumferential surface of the inner tube located inside the guide holder;
And a moving shaft installed inside the inner tube, the lower end of which extends outward and fixedly coupled to the inner tube, and moving together with the movement of the moving piston.
The method of claim 1,
The main pole is coupled to the first pole cap at the bottom,
Height adjustment device characterized in that the adjustment nut is formed so that the lower side is tapered downward to the outer side of the first pole cap is rotatably fixed to the primary extension pole pulled out by the pressure.
The method of claim 1,
A second pole cap is coupled to the lower end of the primary extension pole,
A fixed lever is coupled to the second pole cap to be rotatable by a rotation screw.
The fixing lever is a height adjustment device, characterized in that the fixing spring is installed on the upper end, the pressing piece is formed to be detachably fastened to the fixing groove formed in the secondary extension pole in the lower end.

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