KR101261788B1 - Apparatus for adjusting the height - Google Patents

Abstract

PURPOSE: A height adjustment device is provided to facilitate the using thereof by easily folding an extension pole or by expanding the height of a pole, and to freely adjust the expansion and fixing of the height as desired by a user. CONSTITUTION: A height adjustment device includes a control button(100) which is installed on the upper end; a main pole(200) which is installed inside with a compressed spring for height adjustment in a longitudinal direction; an auxiliary pole(300) which is inserted into or withdrawn from the main pole with a fitting hole formed by penetrating the lower side where a pulling hole is formed by penetrating the upper side of the fitting hole, installed with a movable piston which moves vertically along the inner circumferential surface where a fixing button is installed on one side of the movable piston to be clamped with the fitting hole and pulling hole by the vertical movement of the movable piston; an extension pole(400) which is foldable or extendable.

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.

The present invention has been made in order to solve all the above problems, by pulling or releasing the elastic string tightly in accordance with the vertical movement of the fixing button installed in the auxiliary pole, it is easy to fold the extension pole or stretch the height of the pole It can be used easily, and the height and extension of the height can be adjusted freely by the locking and releasing by the ball. The height of the body is fully supported and the height of the body is prevented from loosening. The purpose is to provide a device.

In addition, you can easily change the height of the pole by using the force of the compression spring just by pressing the control button, and it is convenient because it can be fixed only by the desired height and then fixed by the lock key. There is also an object to have a quick usability and excellent usability and convenience.

In addition, the return spring is installed, the device is smooth and flexible operation, and the compression spring is divided into a plurality of installations together with the anti-rotation body to prevent the rotation of the compression spring is also its purpose.

The present invention to solve the above problems the control button installed on the top; A main pole installed on the lower side of the adjustment button and having a compression spring for length adjustment in the longitudinal direction therein; In and out of the main pole of the main pole, the insertion hole is formed through the bottom and the through hole is formed through the pull hole is formed on the upper side, the moving piston moving up and down along the inner circumferential surface by the expansion and contraction of the compression spring therein An auxiliary pole pole installed at one side of the movable piston, the fixing button being fastened to the fitting hole or the pulling hole according to the vertical movement of the movable piston; Provides a height adjustment device including; and an extension pole configured to be installed inside the elastic line connected to the lower portion of the movable piston in the longitudinal direction to be folded or stretched.

In addition, the main pole, the inner tube and the outer tube is installed together inside, the length adjustment compression spring is installed along the outer circumferential surface of the outer tube, a plurality of engaging grooves are formed along the longitudinal direction in the inner tube The shift shaft is also equipped with a feature.

In addition, the main pole, the connection holder is inserted into the upper end, the outer tube installed inside to be movable in the vertical direction by pressing and releasing the control button, and the upper end is fixedly coupled to the connection holder, a plurality The moving shaft is formed so as to be connected to the moving piston is formed with two engaging grooves is characterized in that it further comprises an inner tube which is a passage for moving the moving shaft.

At this time, the connection holder is formed with a stepped on the lower inner circumferential surface, the lower end of the return spring for releasing the pressing of the adjustment button is inserted into the upper portion so as to surround the outer circumferential surface of the outer tube receiving the support of the step. There is this.

In addition, the inner tube is fixedly coupled to the connection holder by a fixing pin, the outer tube is characterized in that the through-hole is formed along the longitudinal direction on both sides of the upper end so as to move in the vertical direction without interference of the fixing pin have.

In addition, a lock key is connected to a lower end of the outer tube, and a locking hole is formed at a lower end of the inner tube so that the locking ball is movable in and out of the lock hole by contact or separation of the lock key. The chuck is connected and installed, and as the outer tube moves up and down by pressing and releasing the control button, the locking and unlocking of the locking chuck of the locking key is also characterized.

Here, the locking key is formed so that the inner diameter becomes smaller toward the lower side, the locking chuck is formed so that the outer diameter becomes smaller toward the lower side, the lock key and the lock chuck is also made to be in close contact with each other have.

In addition, the compression spring is made of a plurality of separate, it is also characterized in that the rotation preventing member is installed in the connection portion of the separate compression spring to prevent the rotation according to the expansion and contraction of the compression spring.

At this time, the anti-rotation member is characterized in that it comprises a spring fixing plate to which the front end of the compression spring is fixedly connected, and a protruding piece protruding upward or downward along the outer circumference of the fixing plate.

Furthermore, the movable piston is characterized in that the button groove is formed on one side, the fixed button is connected to the elastic spring in the button groove.

In addition, the auxiliary pole is characterized in that the connector is formed for connecting the extension pole at the bottom.

In addition, the extension pole is also characterized in that it is connected by the elastic cord is formed separated by the primary secondary pole.

Here, the primary extension pole is also characterized in that the connector for connecting the secondary extension pole is formed at the bottom.

In addition, the main pole is coupled to the first pole cap at the bottom, 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 secure the auxiliary pole pulled out by pressing It also has its features.

According to the present invention, by pulling or releasing the elastic line in accordance with the vertical movement of the fixing button installed in the auxiliary pole, it is easy to fold the extension pole or to extend the height of the pole can be used conveniently, and using the ball lock By releasing the expansion and fixing of the height as desired by the user is freely adjusted, there is an effect that the load of the body is fully supported and the loosening is prevented to maintain the adjustment state.

In addition, you can easily change the height by using the force of the compression spring only by pressing the control button, and it can be fixed only by the desired height and then fixed by the lock key, and it is convenient in various environments such as uphill and downhill. Can respond quickly and has excellent usability and convenience.

In addition, the return spring is installed, the device works smoothly and flexibly, by dividing the compression spring into several pieces and connected with the anti-rotation body to prevent the rotation of the compression spring by stretching.

1 is a perspective view of a conventional climbing stick.
Figure 2 is an external perspective view of the height adjusting device according to the present invention.
Figure 3 is a sectional view showing the height adjusting device according to the present invention.
Figures 4a to 4f is a cross-sectional view showing the main components of the height adjustment device according to the present invention, Figure 4a is a connecting holder, Figure 4b is an adjustment button and the outer tube, Figure 4c is an inner tube, Figure 4d is a moving shaft and a moving piston Figure 4e is a secondary pole, Figure 4f is a cross-sectional view showing an embodiment of a compression spring.
FIG. 5A is a detailed sectional view of the portion “A” of FIG. 2, and FIG. 5B is a detailed sectional view of the portion “B” of FIG. 2.
Figure 6a to 6b is a state diagram using the height adjustment device according to the present invention, Figure 6a is a cross-sectional view when the elastic string is pulled, Figure 6b is a cross-sectional view when adjusting the length by drawing the auxiliary pole by pressing the adjustment button.
Figure 7 is a plan sectional view showing the operation of the locking key of the height adjustment device according to the present invention, Figure 7 (a) is a view during the interruption, Figure 7 (b) is a view when opening.
Figure 8 is a cross-sectional view showing the operating state when the height adjustment of the height adjustment device according to the present invention, Figure 8a is an operating state diagram when opening, Figure 8b is an operating state diagram when fixed.

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 a locking ball 224b of the locking key 232 according to the operation of the elastic button (B) pull and release, and the adjustment button 100 according to the movement of the fixing button 312 Through locking and releasing operation for the), it is configured to be freely adjustable and fixed to the height (length) of the user as desired, large control button 100, main pole pole 200, auxiliary pole pole 300 And an extension pole 400.

2 and 3, the control button 100 is assembled to protrude upward of the main pole 200 and draws out the auxiliary pole 300 to the outside by a pressing action caused by external pressure. To adjust the height of the device.

At this time, as shown in Figure 5a the connection loader 110 is coupled to the lower end of the control button 100 is coupled to the force generated when pressing the control button 100, the outer tube 230 of the main folder 200 ) Function.

The main pole 200 is installed on the lower side of the control button 100, the upper side of the main pole 200, the cover (C) is formed to accommodate a portion of the control button 100, the cover ( C) A grip G is formed on the upper outer circumferential surface of the lower main pole 200 so as to be gripped by hand to rely on the user's body when hiking.

In addition, the main pole 200 is installed inside the inner tube 220 and the outer tube 230, the compression spring 240 for height adjustment is installed along the outer circumferential surface of the outer tube (230).

Here, the compression spring 240, as shown in Figure 4f is to be installed in a plurality in the longitudinal direction in the inner side of the main pole 200, it is preferable to be separated into a plurality bar, thus the compression spring separated separately The connection part of the anti-rotation member 241 is installed to prevent the rotation of the compression spring 240 according to the expansion and contraction.

In addition, the anti-rotation member 241 is a spring fixing plate 241a to which the front end of the compression spring 240 is fixedly connected, and a protruding piece 241b protruding upward or downward along an outer circumference of the fixing plate 241a. It may include.

In addition, the anti-rotation member 241 is preferably installed in pairs in the vertical direction.

In addition, the main pole 200 is inserted into the connection holder 210 is installed inside the upper end, as shown in Figure 4a the connection holder 210 is formed with a stepped 211 protruding inward on the lower inner peripheral surface and The upper side of the stepped 211, the return spring 212 is installed so as to surround the upper outer peripheral surface of the outer tube 230, the lower end of the return spring 212 when releasing the pressing of the adjustment button 100 Supported by the step 211, the control button 100 to be easily returned to the original state. A connection groove 213 is formed in the inner side of the connection holder 210.

4C and 4D, the inner tube 220 has an upper end fixedly coupled to the connection holder 210, and a movable shaft 223 having a plurality of locking grooves 223a formed along the longitudinal direction thereof. ) Is installed inside, the moving shaft 223 is installed so that the lower end is connected to the moving piston 310, the inner tube 220 is a passage for the moving shaft 223 to move.

At this time, the inner tube 220 is formed with a through hole 221 at the upper end, the fixing pin 222 is fastened to the connecting groove 213 through the through hole 221, the inner tube 220 is the It is fixedly coupled to the connection holder 210.

In addition, as shown in Figure 4b the outer tube 230 is provided on the outside of the inner tube 220, is connected via the control button 100 and the connection loader 110, the control button ( By pressing and releasing operation of 100), it is movable up and down.

Here, the outer tube 230 is formed through the long hole 231 in the longitudinal direction on both sides of the upper end so as to move in the vertical direction without interference of the fixing pin 222.

A locking key 232 is connected to the lower end of the outer tube 230, and a locking chuck 224 is connected to the lower end of the inner tube 220.

In this case, the locking chuck 224 has a locking hole 224a formed therein, a locking ball 224b is mounted inside the locking hole 224a, and the locking key 232 is the locking chuck 224. The locking ball 224b is movable in and out of the lock hole 224a while being in contact with or separated from the lock hole 224a. Accordingly, the outer tube 230 is moved up and down by pressing and releasing the control button 100. As a result, as shown in FIGS. 7A and 7B, locking and releasing of the locking chuck 224 of the locking key 232 occurs.

Here, the lock key 232 is formed so that the inner diameter becomes smaller toward the lower side, the lock chuck 224 is formed so that the outer diameter becomes smaller toward the lower side, the lock key 232 and the lock chuck 224 mutually It is desirable to be in close contact and to allow a firm locking action.

As shown in FIG. 5B, the main pole 200 may further include a first pole cap 250 and an adjustment nut 260 for fixing or releasing the sub pole 300.

That is, the main pole 200 is coupled to the lower end of the first pole cap 250, the adjustment nut 260 is formed so that the lower side is tapered downward on the outer side of the first pole cap 250 is rotatable. .

In this case, in order to smoothly rotate the adjusting nut 260, a thread is formed on the inner circumferential surface of the adjusting nut 260, and a thread of a shape corresponding to the outer circumferential surface of the first pole cap 250 may be formed. have.

As shown in FIGS. 4E and 6A, the auxiliary pole 300 is drawn in and out of the main pole 200 to control the height of the apparatus, and a fitting hole 320 is formed therethrough. A pulling hole 330 is formed through the fitting hole 320, and a moving piston 310 is installed to move up and down along an inner circumferential surface by the expansion and contraction of the compression spring 240.

The moving piston 310 has a fixing button 312 is installed on one side, it is fastened to the fitting hole 320 or the pulling hole 330 according to the vertical movement of the moving piston (310).

In this case, as shown in FIG. 5B, the movable piston 310 has a button groove 311 formed at one side thereof, and the fixing button 312 is connected to the elastic spring 313 at the button groove 311. The fixing button 312 may be pressed by the action of the elastic spring 313 or may be exposed to the outside of the fitting hole 320 or the pulling hole 330.

In addition, the movable piston 310 has a connection hole 314 is formed at the bottom, the elastic line (B) is connected through the connection hole 314.

As shown in FIG. 4E, the auxiliary pole pole 300 has a connector 340 for connecting the extension pole pole 400 to a lower end thereof.

In addition, as shown in Figures 2 and 3, the extension pole 400 is configured so that the elastic cord (B) connected to the lower portion of the movable piston 310 is installed along the longitudinal direction and can be folded or stretched therein. do.

At this time, the elastic band (B) may be made of a rubber band.

In addition, the extension pole 400 may be formed by being separated by the elastic cord (B) to be separated into primary and secondary extension poles (410, 420), in this case, of the primary extension pole (410) A connector 411 for connecting the secondary extension pole 420 is formed at the bottom.

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

As shown in Figure 3, the height adjustment device (S) according to the present invention is stored folded or elastically through the elastic line (B) or in the unused state fixed button 312 in the lower fitting hole 320 of the auxiliary pole 300 It is locked and the state is released, and the lock button 232 is in contact with the locking chuck 224 because the lock button 232 is in a locked state in which the pressing of the control button 100 is released. It is caught in 223a.

First, in order to use the height adjustment device (S), by rotating the adjustment nut 260 in the reverse direction to open the lock of the auxiliary pole pole 300, while pressing the fixing button 312 inward toward the auxiliary pole pole ( When the front end of the 300 is pulled out and drawn out, the fixing button 312 is fastened and fixed to the pulling hole 330 formed above the fitting hole 320 as shown in FIG. 6A.

In this case, the elastic cord B connected to the pulling hole 330 of the movable piston 310 is pulled in a taut state, and the primary extension pole 410 that is separated from each other while connected by the elastic cord B is pulled out. And when the secondary extension pole 420 is connected to the connector 340 and the primary extension pole 410 of the secondary extension pole 300, respectively, will be able to easily use the height adjustment device (S). .

At this time, if height adjustment is required, pressing the control button 100 of the upper, as shown in Figure 8a the return spring 212 is compressed and the outer tube 230 is moved to the lower side, the lock of the lock key 232 The lock on the ball 224b is released. Accordingly, the pressure on the locking ball 224b, which is locked to the locking groove 223a of the moving shaft 223, is released, and the moving shaft 223 freely moves downward. It becomes movable.

As such, the lock on the movable shaft 223 is released, and the compression spring 240 is elongated by the elastic force to push out the movable piston 310 connected to the compression spring 240 to push the auxiliary pole 300 to the outside. It is withdrawn and eventually lengthening of the height adjusting apparatus S is made as shown in FIG. 6B.

And, if it is determined that the user is extended to a length suitable for use, when the user releases the control button 100, the outer tube 230 that was moved downward by the return action of the return spring 212 as shown in Figure 8b. ) Is moved upward, thereby locking the lock ball 224b to the locking groove 223a of the movable shaft 223 by pressing the locking ball 224b while the locking key 232 is in contact with the locking chuck 224. To be fixed.

Next, the adjustment nut 260 is moved upward by rotating the adjustment nut 260 in the forward direction, thereby tightening and fixing the auxiliary pole 300 that is pushed out by the adjustment nut 260.

Meanwhile, in order to fold the height adjusting device S, the user first moves the adjusting nut 260 downward by rotating the adjusting nut 260 in the reverse direction to release the pressing force of the adjusting nut 260.

In this state, when the control button 100 is pressed down again, the locking key 232 is released by the above-described action, and the compression spring 240 that is extended by pressing the lower end of the height adjusting device S on the ground. After pulling the auxiliary pole 300 which was drawn out while compressing the main pole 200 into the inside of the main pole 200, the height adjustment device (S) that was extended by locking the lock button 232 by returning the adjustment button 100 to its original position Can be folded.

In addition, when the fixing button 312 is pushed inward while the remaining auxiliary pole 300 is introduced into the inside of the main pole 200, the fixing button 312 which is fastened to the pulling hole 330 is fitted into the hole 320. As it is fastened to the elastic state (B) of the pulled state is released, in this state, as shown in Figure 3, the primary secondary pole poles (410, 420) are also stored separately from each other.

As a result, the height adjustment device (S) according to the present invention by easily pulling or releasing the elastic line in accordance with the vertical movement of the fixing button installed in the auxiliary pole, or easy to fold the extension pole or stretch the height of the pole It is possible to freely adjust the stretching and fixing of the height as desired by the user through lock and release using the ball, and the body load is sufficiently supported and prevented from loosening so that the adjustment state can be maintained as well. By simply pressing a button, you can easily change the height by using the force of the compression spring, and you can expand and contract only the height you want and fix it with the lock key.It is convenient and can respond quickly in various usage environments such as uphill and downhill. It has excellent usability and convenience, as well as a return spring installed It works smoothly and flexibly, by dividing the compression spring into several parts and connecting them together with the anti-rotation member to prevent the rotation of the compression spring.

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 respect to the stick for climbing in the above embodiment, but is not limited thereto, and may be used for various purposes for height or length adjustment, such as adjusting the height of the bicycle saddle, adjusting the height of the desk leg.

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. Control Button
110. Loader 200. Main pole pole
210. Connecting holder 211. Stepped
212. Return spring 213. Connecting groove
220. Inner tube 221. Short hole
222. Locking Pin 223. Moving Shaft
223a. Locking Groove 224. Locking Chuck
224a. Locking hole 224b. Locking ball
230. Outer tube
232. Locking key 240. Compression spring
241. Anti-rotation member 241a. Spring fixing plate
241b. Protrusion piece 250. First pole cap
260. Adjustment nut 300. Auxiliary pole
310. Moving Piston 311. Button Groove
312. Locking button 313. Elastic spring
314. Connecting hole 320. Fitting hole
330. Pull hole 340. End connection
400. Kidney pole 410. Primary kidney pole
411. End Connection 420. Secondary Extension Pole
C. Cover E. Elastic
G. Grip S. Height Adjust

Claims (14)

Control button installed on the top;
A main pole installed on the lower side of the adjustment button and having a compression spring for height adjustment in a length direction therein;
In and out of the main pole of the main pole, the insertion hole is formed through the bottom and the through hole is formed through the pull hole is formed on the upper side, the moving piston moving up and down along the inner circumferential surface by the expansion and contraction of the compression spring therein An auxiliary pole pole installed at one side of the movable piston, the fixing button being fastened to the fitting hole or the pulling hole according to the vertical movement of the movable piston; And
And an extension pole configured to be installed inside the elastic line connected to the lower portion of the movable piston in the longitudinal direction to be folded or stretched.
The method of claim 1,
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 inner shaft of the moving shaft formed with a plurality of locking grooves along the longitudinal direction Height adjustment device characterized in that the installation.
The method of claim 1,
The main pole, the connection holder is inserted into the upper end, the outer tube is installed inside to be movable in the vertical direction by pressing and releasing the control button, the upper end is fixedly coupled to the connection holder, a plurality of locking grooves The formed moving shaft is installed so as to be connected to the moving piston, the height adjustment device further comprises an inner tube which is a passage for moving the moving shaft.
The method of claim 3,
The connection holder is formed with a step on the lower inner circumferential surface, height adjustment characterized in that the lower end of the return spring for releasing the pressing of the adjustment button is inserted into the upper portion so as to surround the outer peripheral surface of the outer tube receiving the support of the step. Device.
The method of claim 3,
The inner tube is fixedly coupled to the connection holder by a fixing pin, the outer tube is a height adjustment device characterized in that the through-hole is formed along the longitudinal direction on both sides of the upper end so as to move in the vertical direction without interference of the fixing pin .
The method of claim 2,
The lower end of the outer tube is connected to the lock key,
A lock hole is formed at a lower end of the inner tube, and a lock chuck in which a lock ball is movable in and out of the lock hole by contact or separation of the lock key is connected and installed.
Height adjustment device characterized in that the locking and releasing of the locking chuck of the locking key occurs as the outer tube moves up and down by pressing and releasing the control button.
The method according to claim 6,
The locking key is formed so that the inner diameter becomes smaller toward the lower side, the locking chuck is formed so that the outer diameter becomes smaller toward the lower side, the height adjustment device characterized in that the locking key and the lock chuck is made to be in close contact with each other. .
The method of claim 1,
The compression spring is made of a plurality of separated, the height adjustment device characterized in that to prevent the rotation of the compression spring by installing a rotation preventing member in the connection portion of the separate compression spring.
The method of claim 8,
The anti-rotation body is a height adjustment device including a spring fixing plate to which the tip of the compression spring is fixedly connected, and a protruding piece protruding upward or downward along the outer circumference of the fixing plate.
The method of claim 1,
The movable piston is a height adjustment device, characterized in that the button groove is formed on one side, the fixed button is installed in the button groove is connected to the elastic spring.
The method of claim 1,
Height-adjusting device, characterized in that the auxiliary pole is formed with a connector for connecting the extension pole at the bottom.
The method of claim 1,
The extension pole is connected to the height adjustment device, characterized in that formed by separating the primary pole extension pole.
13. The method of claim 12,
The first extension pole is a height adjustment device, characterized in that the connector for connecting the secondary extension pole is formed at the bottom.
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 outside of the first pole cap is rotatably fixed to the auxiliary pole pulled out by the pressure.

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