KR102209180B1 - Height control post - Google Patents

Abstract

The present invention relates to a height adjustable post comprising: an elevation pipe (5) which has a hollow penetrated in a vertical direction and is elevated in the vertical direction; a joint (10) which is inserted into the hollow of the elevation pipe and has multiple main ribs formed on one side; a screw (20) for closely fixing a radial outer end of the main ribs on the inner circumferential surface of the elevation pipe as it progresses between central side ends of the main ribs; a main pipe (30) having a hollow penetrated in the vertical direction so that the elevation pipe can move in the vertical direction and a bottom part fixed on a floor surface; a height adjustment member (40) inserted into an upper opening of the main pipe; a pipe fixing cap (50) having a pressing surface for pressing a tightening piece of the height adjustment member to be tightened; and a cushion body (60) connected to the top of the elevation pipe to be elastically and closely supported on a corresponding ceiling surface. Therefore, it enables indirect connection between the multiple pipes and height adjustment thereof by separately having the height adjustment member and the pipe fixing cap so that problems such as screw thread wear between the pipes connected to each other can be prevented, thereby obtaining effects such as extending the life of the pipes and reducing related costs.

Description

Height adjustment post {HEIGHT CONTROL POST}

The present invention relates to a height-adjusting post, and more particularly, a vertically penetrating hollow is formed, an elevation pipe that is vertically elevated, and a hollow vertically penetrated so that the elevation pipe appears and descends, and the lower end is formed on the bottom surface. It relates to a height adjustment post that allows the fixed main pipe to smoothly adjust the height of the entire post through a separate height adjustment means.

In general, a post that can be used for various purposes, such as a post for a hanger and a post for a kitchen shelf, as well as a post for an appliance and a post for other structures, has been proposed in a building such as a house.

As an example in which a post is used, the post of a hanger for a hanger may be used as a horizontal bar for hanging a plurality of clothes and a column for supporting the shelves, and in the case of a kitchen shelf, a plurality of shelves and a plurality of posts for supporting it may be used. I can.

In addition, these posts are also used as play equipment for pets such as dogs or cats, and are also used to allow cats to rise and fall indoors in order to satisfy such animal habits.

In other words, as cats reared indoors are limited in activity in a narrow space, the tendency of non-cartoons to appear due to lack of exercise and stress, post-shaped play equipment is installed to relieve the cat's lack of exercise and stress. It is also used as a cat tower that moves up and down freely.

In addition, the post of the prior art uses a plurality of pipes to adjust the height of each other through a screw fastening method.

However, in the post of the prior art, since a plurality of pipes are screwed together, it takes a lot of time to change the length to a desired length when adjusting the length, as well as making the shaft rotation operation inconvenient. I had a problem.

In addition, in the case of the screw connection method, as the length of the post is repeatedly adjusted for a long time, abrasion occurs on the threads of each pipe, so that the threads of each pipe cannot be firmly fastened to each other, thereby causing a safety problem.

Republic of Korea Public Utility Model No. 2011-0006727

The present invention was conceived to solve this problem, and by providing a separate height adjuster and a pipe fixing cap instead of a direct screw fastening method between pipes, a height to enable indirect connection and height adjustment of a plurality of pipes Its purpose is to provide an adjustable post.

In addition, a separate cushion body is provided at the upper end of the elevation pipe so that the elevation pipe can be stably supported on the ceiling surface, as well as a separate auxiliary height adjustment unit between the elevation pipe and the cushion body, Another object is to provide a height adjustment post that enables fine adjustment of the height of the cushion body in addition to the elevation adjustment of the elevation pipe by the adjustment device and the pipe fixing cap.

In addition, when a post composed of a plurality of pipes is configured, a separate joint having a connection function that is connected and fixed to only one pipe and a locking function that allows a pair of pipes to be relatively latched and supported, is provided to expand and contract when the length between the pipes varies Another object is to provide a height adjustment post to facilitate operation.

As such, the height adjustment post according to an embodiment of the present invention includes a lifting pipe having a hollow vertically penetrating it and moving up and down; A joint having a plurality of main ribs inserted into the hollow of the lifting pipe through the lower end of the lifting pipe, facing each other at one side, and having central end portions spaced apart from each other by a predetermined distance; A screw that pushes the main ribs in a radial direction as it progresses between the central side ends of the main ribs so that the outer ends of the main ribs in the radial direction are closely fixed to the inner circumferential surface of the lifting pipe; A main pipe having a hollow penetrating vertically so that the lifting pipe appears and descends, and the lower end is fixed to the bottom surface; An insertion part is provided on one side of the lower end so as to be inserted into the upper opening of the main pipe, and a hollow through the center is formed so that the lifting pipe is lifted, and a male thread is formed on one side of the outer peripheral surface exposed to the outside of the main pipe, A height adjustment device provided with a fastening piece for tightening the outer circumferential surface of the lifting pipe while being tightened in the central direction on one side of the male thread; A pipe fixing cap provided on an inner circumferential surface of a female screw threaded together with the male screw thread of the height adjustment device and having a pressing surface formed on one side of the female screw thread by pressing the clamping piece in the center direction; And a cushion body connected to the upper end of the lifting pipe and elastically supported in close contact with the corresponding ceiling surface, wherein the main rib of the joint is a through hole of the base plate of the joint between the central side ends of the main ribs. It has the center-side end portion extending a predetermined length inside the rim of the through hole toward the center, and is a direct plate structure that is upright on the base plate, so that the center-side ends are spaced apart from each other by a predetermined distance on the diameter line of the base plate. A plurality of pieces are provided which are spaced apart at equal intervals along the arc direction of the base plate while facing each other, and between the lifting pipe and the cushion body, in addition to adjusting the lifting height of the lifting pipe by the height adjuster and the pipe fixing cap An auxiliary height adjustment unit is further provided to adjust the height of the cushion body, and the auxiliary height adjustment unit is connected to the upper end of the lifting pipe and has a screw thread on the outer circumferential surface, and surrounds the auxiliary fixing body. A screw thread is formed on the inner circumferential surface so as to be raised and lowered, and the upper end is screwed with the outer circumferential surface of the auxiliary lifting body and the auxiliary fixing body, and the auxiliary lifting body is fixed by moving the auxiliary lifting body in close contact with the lower end of the auxiliary lifting body. It includes a stopper, and the cushion body is an integral structure of the bearing and bearing holder, which are inserted and fixed to the upper opening of the auxiliary elevating body, while the relative moving body and the elastic contact plate, which are another integral structure, are elastically elevated through the elastic body. It is characterized in that the top surface of the elastic contact plate maintains a state in elastic contact with the ceiling.

In addition, in the height adjustment post according to an embodiment of the present invention, the insertion portion of the height adjustment member is provided with a mounting cutout cut vertically, and the height adjustment device is engaged with the mounting cutout on an inner circumferential surface of the main pipe corresponding thereto. A mounting protrusion extending vertically along the inner circumferential surface of the main pipe and protruding to the center may be further provided to be mounted and fixed.

In addition, in the height adjustment post according to an embodiment of the present invention, the clamping piece has a partial ring plate shape disposed on the upper end of the male thread, and a plurality of clamping pieces are provided that are spaced apart by a predetermined distance along the arc direction through a predetermined clamping cutout. Can be.

In addition, in the height adjustment post according to an embodiment of the present invention, the pressure surface corresponds to the tightening piece when the female thread of the pipe fixing cap is placed in a state in which the male thread of the height adjustment device and the threaded thread are completely formed. It is located at the upper end of the inner circumferential surface of the pipe fixing cap, and is formed gently toward the central axis rather than the inclination angle of the tightening piece with respect to the central axis of the height adjustment tool, and the pressure is applied according to the threaded connection of the pipe fixing cap to the height adjustment tool. The surface may be made to be able to tighten the lifting pipe by pressing the clamping piece in the direction of the central axis.

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In addition, in the height adjustment post according to an embodiment of the present invention, the joint includes: the base plate having a through hole formed in a central portion and a locking protrusion fixed to the end of the pipe to be connected to the rim; The center side end portion extending a predetermined length toward the center of the through hole of the base plate toward the inside of the rim of the through hole, and a radial extension end extending in a radial direction from the center side end portion, and are erected upward on the base plate A plurality of the main ribs that are spaced apart from each other along the arc direction of the base plate while facing the central side end portion of the liver at a predetermined interval; A plurality of V-shaped ribs having one end connected to the radially extending end of each of the main ribs and the other end branching and extending to both sides toward the edge of the base plate; And a close contact rib in which the extension ends of each of the V-shaped ribs are connected to each other and the outer portion is in close contact with the inner circumferential surface of the pipe as the main rib is radially widened.

In addition, in the height adjustment post according to an embodiment of the present invention, the central side end of the main rib is generally circular along with the central side end of the adjacent main ribs with a front end facing the center of the through hole. A rounded circular arc surface portion to form a shape may be provided.

In addition, in the height adjustment post according to an embodiment of the present invention, the central side end portion of the main rib directly contacts the screw so that the width is widened to both sides in response to the pressing force of the screw to be opened radially. The overall shape is formed through a pair of inclined surface portions, a pair of inner extending surface portions that slightly extend inwardly from the end of each inclined surface portion, and a pair of linearly extending surface portions that are linearly extended radially from each of the inner extending surface portions. It may have an arrow structure.

In addition, in the height adjustment post according to an embodiment of the present invention, the V-shaped rib has a narrower width than the main rib so that the main rib can be flexibly opened in the rim direction of the base plate as the main rib is radially widened. It may have a narrow upright plate structure.

In addition, in the height adjustment post according to an embodiment of the present invention, the contact rib may have a separate contact protrusion further provided on an outer surface of the base plate facing the outer edge.

In addition, in the height adjustment post according to an embodiment of the present invention, the contact protrusion may have a strip-shaped rod structure having the same width and height as the contact rib.

In addition, in the height adjustment post according to an embodiment of the present invention, the joint is linearly extended in the rim direction of the base plate from the center of the V-shaped rib placed on the same line with the main rib to radially open the main rib. Accordingly, an auxiliary contact rib that is in close contact with the inner surface of the pipe may be further provided.

In addition, in the height adjustment post according to an embodiment of the present invention, the auxiliary contact rib may have a separate auxiliary contact protrusion further provided on an outer surface of the base plate facing the outer edge.

In addition, in the height adjustment post according to an embodiment of the present invention, the auxiliary contact protrusion may have a strip-shaped rod structure having the same width and height as the auxiliary contact rib.

In addition, in the height adjustment post according to an embodiment of the present invention, the joint is connected to each other when the contact protrusion and the auxiliary contact protrusion are radially expanded by connecting the contact protrusion and the auxiliary contact protrusion to each other, A support rib may be further provided to support the pressing force.

In addition, in the height adjustment post according to an embodiment of the present invention, the support rib connects between the contact protrusion and the extended end of the auxiliary contact protrusion so that the pressing force to the inner side of the pipe to be connected is maximized. It may be of an arc-shaped plate structure forming a concentric circle with the base plate.

In addition, in the height adjustment post according to an embodiment of the present invention, the support rib is connected to any one of the auxiliary contact rib and a pair of contact ribs disposed on both sides of the auxiliary contact rib. It may have a connection structure that is open with the other tight rib.

In addition, in the height adjustment post according to an embodiment of the present invention, the support rib supports the bending of the lower end according to the radially opening of the upper side of the support rib on one side of the lower end connected to the base plate. There may be more protrusions.

In addition, in the height adjustment post according to an embodiment of the present invention, the joint has an integral structure in which the main rib, the V-shaped rib, the close contact rib, and the lower end of the support rib are integrally connected with the upper surface of the base plate. Can be.

In addition, in the height adjustment post according to an embodiment of the present invention, the joint is integrally connected with the upper surface of the base plate only at the lower end of the contact rib, and the lower end of the remaining main ribs, V-shaped ribs, and support ribs. May have a partially integrated structure that is separated from the upper surface of the base plate by a predetermined distance.

The height adjustment post, which is an embodiment of the present invention described as described above, is provided with a separate height adjustment device and a pipe fixing cap rather than a direct screw fastening method between the pipes so that a plurality of pipes can be indirectly connected and height adjusted. By doing so, it is possible to prevent problems such as abrasion of threads between pipes that are basically connected to each other, thereby extending the life of the pipes and thereby reducing costs.

In addition, a separate cushion body is provided at the upper end of the elevation pipe so that the elevation pipe can be stably supported on the ceiling surface, as well as a separate auxiliary height adjustment unit between the elevation pipe and the cushion body to adjust the height. In addition to adjusting the lifting height of the lifting pipe by the sphere and the pipe fixing cap, the height of the cushion body can be further finely adjusted, thereby providing sufficient variety of stable height adjustment to the user, resulting in product competitiveness. Effects such as being able to achieve improvement can be obtained.

In addition, when a post composed of a plurality of pipes is configured, a separate joint having a connection function that is connected and fixed to only one pipe and a locking function that allows a pair of pipes to be relatively latched and supported, is provided, so that the length between the pipes is basically variable As a result of the smooth operation of expansion and contraction according to this, as a result, it is possible to provide convenience in use to the user, as well as a solid connection between pipes through joints, thereby improving product stability. Can be obtained.

1 is a perspective view showing a height adjustment post according to an embodiment of the present invention.
2 is an exploded perspective view showing a height adjustment post according to an embodiment of the present invention.
Figure 3 is a cross-sectional view showing the main part of the height adjustment post according to an embodiment of the present invention.
Figure 4 is a partial cross-sectional view showing a height adjustment post according to an embodiment of the present invention.
5 is a plan view of a main part showing a state before the diameter of the joint of the height adjustment post is expanded according to an embodiment of the present invention.
6 is a plan view of a main part showing an expanded diameter of a joint of a height adjustment post according to an embodiment of the present invention.
Figure 7 is a cross-sectional view showing the main part of the cushion body of the height adjustment post according to an embodiment of the present invention.

Hereinafter, as shown in FIGS. 1 to 7, the height adjustment post according to an embodiment of the present invention includes a lifting pipe 5, a joint 10, a screw 20, and a main pipe 30. , Including the height adjustment device 40, the pipe fixing cap 50 and the cushion body 60.

The lifting pipe (5) is formed with a hollow (5a) penetrating up and down, and has a circular tube structure that is raised and lowered from the inside of the main pipe (30).

The joint 10 is inserted into the hollow 5a of the lifting pipe 5 through the lower end of the lifting pipe 5, and has a main rib having a central end portion 12a that faces each other at one side and is spaced apart a predetermined distance ( It has a structure in which a plurality of 12) are provided.

In more detail, the joint 10 includes a base plate 11, a main rib 12, a V-shaped rib 13, and a contact rib 14.

In addition, the base plate 11 of the joint 10 has a through hole 11a formed in the central portion and has a disk structure having a locking protrusion 11b fixed to the end of the lifting pipe 5 to be connected to the rim. have.

In addition, the main rib 12 of the joint 10 has a center side end portion 12a extending a predetermined length toward the center of the through hole 11a of the base plate 11 toward the inside of the rim of the through hole 11a. , It has a radial extension end (12b) extending in the radial direction from the center side end (12a), and as a direct plate structure that is upright on the base plate (11), the center side ends (12a) between each other are a predetermined distance on the diameter line A plurality of pieces are provided which are spaced apart at equal intervals along the arc direction of the base plate 11 while facing each other in a spaced state.

In addition, the V-shaped rib 13 of the joint 10 has one end connected to the radial extension end 12b of each of the main ribs 12, and the other end toward both sides of the base plate 11 It is a V-shaped direct plate structure that extends branches, and there are several.

In addition, the contact rib 14 of the joint 10 is a portion in which the extended ends of each of the V-shaped ribs 13 are connected to each other, and the outer side thereof is the lifting pipe as the main rib 14 is radially widened. (5) It is a rounded curved plate structure that adheres to the inner circumferential surface of (5).

In more detail, the central side end portion 12a of the main rib 12 has a front end surface facing the center of the through hole 11a and the central side end portions 12a of the adjacent main ribs 12 Together, a rounded circular arc surface portion 12a1 to form a circular shape as a whole is provided.

That is, when the axial rotation of the screw 20 entering by the arc surface portion 12a1, the outer peripheral surface of the screw 20 can be smoothly wrapped, thereby minimizing friction loss between the arc surface portion 12a1 and the screw 20 It is supposed to be done.

In addition, the central side end portion 12a of the main rib 12 is in direct contact with the screw 20 so that the width in the longitudinal direction is spread to both sides in response to the pressing force of the screw 20 to be opened radially. A pair of extended surface portions 12a2 and a pair of inner extended surface portions 12a3 slightly extending inward from the ends of each extended surface portion 12a2, and radially again from each of the inner extended surface portions 12a3. Through a pair of linearly extending linearly extending surface portions 12a4, the overall shape has an arrow structure.

In addition, the V-shaped rib 13 has a narrower width than the main rib 12 so that the main rib 12 can be flexibly spread in the rim direction of the base plate 11 as the main rib 12 is radially widened. It has an upright plate structure.

In addition, the contact rib 14 is provided with a separate contact protrusion 14a on the outer surface of the base plate 11 facing the outer edge.

Here, the contact protrusion 14a has a strip-shaped rod structure having the same width and height as the contact rib 14.

In addition, the joint 10 is linearly extended in the rim direction of the base plate 11 from the center of the V-shaped rib 13 placed on the same line as the main rib 12 to radially extend the main rib 12 An auxiliary contact rib 15 is provided that is in close contact with the inner surface of the lifting pipe 5 as it is opened.

Here, the auxiliary contact rib 15 is provided with a separate auxiliary contact protrusion 15a on the outer surface facing the outer edge of the base plate 11, the auxiliary contact protrusion 15a is the auxiliary contact rib 15 It is a strip-shaped rod structure with the same width and height as ).

In addition, the joint 10 connects the contact protrusion 14a and the auxiliary contact protrusion 15a to each other so that when the respective contact protrusion 14a and the auxiliary contact protrusion 15a are radially expanded, the screw ( Support ribs 16 are provided to support and supplement the radial pressing force between each other according to the radial pressing of 20).

In more detail, the support rib 16 connects between the contact rib 14 and the extended end of the auxiliary contact rib 15 so that the pressing force to the inner surface of the lifting pipe 5 to be connected is maximized. It has an arc-shaped plate structure concentric with the base plate 11.

In addition, the support ribs 16 include any one auxiliary contact rib 15 and a pair of contact ribs disposed on both sides of the auxiliary contact rib 15 based on the entire arc of the base plate 11 ( 14) is connected to any one of the contact ribs 14 and is a connection structure that is open with the other contact rib 14, so that the radial opening of the contact rib 14 is not limited to the support rib 16 and is smoothly It is supposed to be expanded.

In addition, the support rib 16 has a support protrusion 17 on one side of the lower end connected to the base plate 11 to support the bending of the lower end according to the radially opening of the upper side of the support rib 16 There is.

In addition, the joint 10 includes the main rib 12, the V-shaped rib 13, the close contact rib 14, and the lower end of the support rib 17 integrally connected with the upper surface of the base plate 11 It has an integral structure.

On the other hand, as another embodiment (not shown) of the present invention, in the joint, only the lower end of the contact rib is integrally connected with the upper surface of the base plate, and the lower end of the main rib, the V-shaped rib, and the support rib It is also possible to have a partially integrated structure that is separated from the upper surface of the base plate by a predetermined distance.

The screw 20 is a base plate of the joint 10 inserted into the interior of the lifting pipe 5, having a larger diameter structure than the distance between the central side end portions 12a of the main ribs 12 facing each other. As it passes through the through hole 11a of 11) and proceeds between the central side end portions 12a of the main ribs 12, the main rib 12 and the V-shaped rib 13 connected thereto and the close contact ribs 14 It is intended to be pushed out in the radial direction.

The main pipe 30 has a cylindrical structure in which a hollow 31 penetrating up and down is formed so that the lifting pipe 5 flows up and down therein, and the lower end is fixed to the bottom surface.

The height adjuster 40 is provided with an insertion part 41 on one side of the lower end so as to be inserted into the upper opening of the main pipe 30, and a hollow 42 through which the center is penetrated so that the lifting pipe 30 is elevated. Is formed, a male thread 43 is formed on one side of the outer circumferential surface exposed to the outside of the main pipe 30, and tightens the outer circumferential surface of the lifting pipe 30 while being tightened in the center direction on one side of the male thread 43 It has a joint tube structure in which the clamping piece 44 is provided.

The pipe fixing cap 50 is provided with a female screw thread 51 that is threaded with the male thread 43 of the height adjustment device 40 and is provided on the inner circumferential surface, and the tightening piece 44 is attached to one side of the female thread 51 It has a cap tube structure with a pressing surface 52 that is pressed and tightened in the center direction.

In addition, the insertion portion 41 of the height adjustment tool 40 is cut up and down and provided with a plurality of mounting cutouts 41a arranged at equal intervals along the circumferential direction, and corresponding to the main pipe 30 The inner circumferential surface is engaged with the mounting cutout (41a) and extends vertically along the inner circumferential surface of the main pipe 30 so that the height adjuster 40 is mounted and fixed. Mounting protrusions 32 are provided.

In addition, the tightening piece 44 is a partial ring plate shape disposed on the upper end of the maleasan mountain 43, and a plurality of pieces spaced at predetermined intervals along the arc direction through a plurality of tightening incisions 45 arranged along the arc direction. Is prepared.

In addition, when the pressure surface 52 is placed in a state in which the female thread 51 of the pipe fixing cap 50 is completely formed with the male thread 43 of the height adjustment port 40, the tightening piece ( It is located at the upper end of the inner circumferential surface of the pipe fixing cap 50 corresponding to 44), and is formed smoothly toward the central axis direction than the inclination angle of the tightening piece 44 with respect to the central axis of the height adjustment unit 40 According to the threaded fastening of the pipe fixing cap 50 to the height adjustment unit 40, the pressing surface 52 presses the clamping piece 44 in the direction of the central axis of the height adjustment unit 40 It is designed to be able to tighten the outer circumferential surface of the lifting pipe (5).

The cushion body 60 is connected to the upper end of the lifting pipe 5 to perform a cushioning function that is elastically and closely supported on a corresponding ceiling surface.

In more detail, the cushion body 60 includes a bearing 61 to which an upper end and a lower end of the lifting pipe 5 are connected, and one side of the bearing 61 is exposed to the outside so that the bearing 61 and The bearing holder 62 to be coupled, the relative moving body 63 axially moved while surrounding the outer portion of the bearing holder 62, and one end of the bearing holder 61 exposed to the outside. The other side of the elastic body 64 protruding to the outside through the bearing holder 62 and the relative moving body 63, and the other end of the elastic body 64 protruding to the outside by elastically pressing and shielding the relative moving body 63 and In a connected state, it includes an elastic contact plate 65 which contracts and presses and releases the elastic body 64 together with the bearing 61 according to the axial movement of the relative moving body 63.

And, between the lifting pipe (5) and the cushion body (60), in addition to the height adjustment of the lifting pipe (5) by the height adjustment mechanism (40) and the pipe fixing cap (50), the cushion An auxiliary height adjustment part 70 is provided to adjust the height of the sieve 60.

Here, the auxiliary height adjustment part 70 is inserted into the upper opening of the hollow 5a of the lifting pipe 5 and provided with a connecting part 71b having a locking protrusion 71a, and the lifting pipe 5 A one-post-shaped auxiliary fixture 71 having a screw thread 71c on the outer circumferential surface exposed to the upper and outer sides, and a screw thread 72a is formed on the inner circumferential surface so as to be raised and lowered by wrapping the auxiliary fixture 71 The auxiliary fixing body 71 in a state interposed between the auxiliary lifting body 72 connected to the cushion body 60 and the locking projection 71a of the auxiliary fixing body 71 and the lower end of the auxiliary lifting body 72 ) Is screwed with the outer circumferential surface of the screw thread (71c), and is moved to the bottom of the auxiliary lifting body 72 in close contact with the lower end of the auxiliary lifting body 72 to fix the auxiliary lifting body 72 has a structure including a stopper 73.

Looking at an example of use of the height adjustment post according to an embodiment of the present invention according to this configuration is as follows.

First, looking at the assembly process, the joint 10 is connected to the lower end of the lifting pipe 5 using the screw 20.

Here, looking at the assembly process of the joint 10 and the lifting pipe 5 through the screw 20 in detail, first, by inserting the joint 10 through the lower opening of the lifting pipe 5, the base plate 11 ) Of the locking jaw (11b) is caught in the lower opening edge of the lifting pipe (5).

Then, a separate screw 20 is fastened through the through hole 11a of the base plate 11.

Then, the screw 20 enters while pushing the central side end portions 12a of the plurality of main ribs 12 protruding into the through hole 11a in the radial direction.

Then, the main ribs 12 pushed by the screw 20 push each V-shaped rib 13 connected to the radial extension end 12b, and the V-shaped rib 13 is a base plate While spreading in the rim direction of (11), the contact rib 14 along with the other adjacent V-shaped ribs 13 are pushed in the direction of the inner circumferential surface of the lifting pipe 5, and at the same time, the radial extension end 12b of the main rib 12 ) And the auxiliary contact rib 15 disposed on the same line as the lifting pipe 5 in the direction of the inner circumferential surface, and finally, the contact protrusion 14a at the end of each contact rib 14 and the auxiliary contact rib 15 ) The connection between the joint 10 and the lifting pipe 5 is completed as the auxiliary contact protrusion 15a at the end is in close contact with the inner circumferential surface of the lifting pipe 5.

At this time, the joint 10 is in a state in which the locking projections 11b of the base plate 11 protrude outside the end of the lifting pipe 5.

And, at the upper end of the target main pipe 30, the mounting protrusion 32 of the main pipe 30 is engaged with the mounting cutout 41a of the insertion part 41 of the height adjustment hole 40 through the upper opening thereof. Thus, the insertion part 41 of the height adjustment tool 40 is inserted and fixed, and the female thread 51 of the pipe fixing cap 50 is temporarily fastened to the male thread 43 above it.

In this state, the lifting pipe 5 is inserted through the lower opening 31 of the target main pipe 30 so that the upper end thereof protrudes upward from the main pipe 30.

Then, after inserting the connection portion (71b) of the auxiliary fixture 71 of the auxiliary height adjustment unit 70 through the upper opening of the hollow (5a) of the lifting post (5), the auxiliary fixture (71) The screw thread (72a) of the stopper (73) and the auxiliary lifting body (72) in the outer peripheral surface of the screw thread (71c) is sequentially combined.

Subsequently, a cushion body consisting of a combination of a bearing 61, a bearing holder 62, a relative moving body 63, an elastic body 64, and an elastic contact plate 65 through the upper end opening of the auxiliary lifting body 72 ( 60) is inserted and connected to complete the assembly of the height adjustment post of the present invention.

An example of the use of the assembled height adjustment post is, in a state where the lower end of the main pipe 30 is fixed to the bottom surface, the lifting pipe 5 is raised and lowered to a desired height with respect to the main pipe 30. While making it possible to adjust the height of the entire post based on the moment when the cushion body 60 touches the ceiling surface.

And, when the pipe fixing cap 50 is completely tightened at a predetermined height, the pressing surface 52 of the pipe fixing cap 50 presses the tightening piece 44 of the height adjustment device 40 so that the lifting pipe 5 is Keep it fixed.

Here, when the lifting pipe 5 is pulled out as far as it can go upward, the locking projections 11b of the base plate 11 are caught on the lower edge of the rim of the height adjustment tool 40 to prevent separation from the outside.

On the other hand, the upper end of the post is in a state that is elastically supported by the cushion body 60, that is, the cushion body 60 is an integral structure that is inserted and fixed to the upper opening of the auxiliary lifting body 72 The upper surface of the elastic contact plate 65 as the relative moving body 63 and the elastic contact plate 65, which are another integral structure with respect to the 61 and the bearing holder 62, are elastically lifted and descended through the elastic body 64. It maintains a state of elasticity close contact with the ceiling.

In addition, a separate auxiliary height adjustment unit 70 is operated to adjust the height of the entire post as well as fine height adjustment of the cushion body 60, and the operation is performed first by releasing the tightening of the stopper 73 It enables the vertical axis rotation movement of the auxiliary lifting body 72 with respect to the stagnation 71, and after the height adjustment as desired, the stopper 73 is tightened to the lower end of the auxiliary lifting body 72 to make the It is possible to suppress the axial rotation of the auxiliary lifting body 72.

In this way, the height adjustment for the height adjustment post of the present invention can be made easily and simply.

In this way, the height adjustment post according to an embodiment of the present invention provides a separate height adjustment device and a pipe fixing cap, rather than a direct screw fastening method between pipes, so that a plurality of pipes can be indirectly connected and height adjusted, Basically, problems such as abrasion of threads between pipes that are connected to each other can be prevented in advance, thereby extending the life of the pipe and reducing costs accordingly.

In addition, a separate cushion body is provided at the upper end of the elevation pipe so that the elevation pipe can be stably supported on the ceiling surface, as well as a separate auxiliary height adjustment unit between the elevation pipe and the cushion body to adjust the height. In addition to adjusting the lifting height of the lifting pipe by the sphere and the pipe fixing cap, the height of the cushion body can be further finely adjusted, thereby providing sufficient variety of stable height adjustment to the user, resulting in product competitiveness. You will be able to improve.

In addition, when a post composed of a plurality of pipes is configured, a separate joint having a connection function that is connected and fixed to only one pipe and a locking function that allows a pair of pipes to be relatively latched and supported, is provided, so that the lengths between the pipes are basically variable. As the expansion and contraction operation is performed smoothly, as a result, it is possible to provide convenience in use to the user, as well as a solid connection between pipes through a joint, thereby improving product stability.

As described above, one embodiment of the present invention has been described, but based on this, if a person of ordinary skill in the relevant technical field does not depart from the spirit of the present invention described in the claims, addition, change, and Various modifications and changes may be made to the present invention by deletion or addition, and this will also be included within the scope of the present invention.

5: lifting pipe 5a: hollow
10: joint 11: base plate
11a: through hole 11b: locking jaw
12: main rib 12a: center side end
12a1: circular arc surface portion 12a2: extended surface portion
12a3: inner extended surface portion 12a4: straight extended surface portion
12b: radial extension end 13: V-shaped rib
14: contact rib 14a: contact protrusion
15: auxiliary contact rib 15a: auxiliary contact protrusion
16: support rib 17: support protrusion
20: screw 30: main pipe
31: hollow 32: mounting projection
40: height adjuster 41: insert
41a: mounting cutout 42: hollow
43: male thread 44: fastening piece
45: tightening incision 50: pipe fixing cap
51: female thread 52: pressing surface
60: cushion body 61: bearing
62: bearing holder 63: relative moving body
64: elastic body 65: elastic contact plate
70: auxiliary height adjustment unit 71: auxiliary fixture
71a: locking jaw 71b: connecting portion
71c: thread 72: auxiliary lifting body
72a: thread 73: stopper

Claims (7)

A lifting pipe having a hollow vertically penetrating it and moving up and down;
A joint having a plurality of main ribs inserted into the hollow of the lifting pipe through the lower end of the lifting pipe, facing each other at one side, and having central end portions spaced apart from each other by a predetermined distance;
A screw that pushes the main ribs in a radial direction as it progresses between the central side ends of the main ribs so that the outer ends of the main ribs in the radial direction are closely fixed to the inner circumferential surface of the lifting pipe;
A main pipe having a hollow penetrating vertically so that the lifting pipe appears and descends and having a lower end fixed to the bottom surface;
An insertion part is provided on one side of the lower end so as to be inserted into the upper opening of the main pipe, and a hollow through the center is formed so that the lifting pipe is lifted, and a male thread is formed on one side of the outer peripheral surface exposed to the outside of the main pipe, A height adjustment device provided with a fastening piece for tightening the outer circumferential surface of the lifting pipe while being tightened in the central direction on one side of the male thread;
A pipe fixing cap provided on an inner circumferential surface of a female screw threaded together with the male screw thread of the height adjustment device and having a pressing surface formed on one side of the female screw thread by pressing the clamping piece in the center direction; And
A cushioning body connected to the upper end of the lifting pipe and elastically supported in close contact with the corresponding ceiling surface;
Including,
The main rib of the joint has the central side end extending a predetermined length inside the rim of the through hole toward the center of the through hole of the base plate of the joint between the central side ends of the main ribs, and is upright on the base plate. As a direct plate structure, there are provided a plurality of center-side ends spaced apart from each other at equal intervals along the arc direction of the base plate while facing each other at a predetermined interval on the diameter line of the base plate,
An auxiliary height adjusting part is further provided between the lifting pipe and the cushion body, in addition to adjusting the lifting height of the lifting pipe by the height adjusting device and the pipe fixing cap, and additionally adjusting the height of the cushion body,
The auxiliary height adjustment unit,
The auxiliary fixing body connected to the upper end of the lifting pipe and having a thread on the outer circumferential surface, and the auxiliary fixing body and the auxiliary fixing body having a thread formed on the inner circumferential surface so as to enclose the auxiliary fixing body and raising and lowering it, and the upper end connected to the cushion body. In the state of being screwed with the outer circumferential surface, it is in close contact with the lower end of the auxiliary elevator and includes a stopper for fixing the auxiliary elevator,
The cushion body is an integral structure of the bearing and the bearing holder, which are inserted and fixed through the upper opening of the auxiliary elevating body, and the relative moving body and the elastic contact plate, which are another integral structure, are elastically raised and lowered through the elastic body, and the upper end of the elastic contact plate. Height adjustment post, characterized in that to maintain the state in which the surface is in elastic contact with the ceiling. The method of claim 1,
The insertion portion of the height adjustment device is provided with a mounting cutout cut vertically, and the height adjustment device is engaged with the mounting cutout on the inner circumferential surface of the main pipe and extends vertically along the inner circumferential surface of the main pipe so that the height adjustment device is mounted and fixed. Height adjustment post, characterized in that further provided with the protruding mounting protrusion. The method of claim 1,
The tightening piece has a shape of a partial ring plate disposed at an upper end of the male thread, and a plurality of tightening pieces are provided that are spaced a predetermined distance along an arc direction through a predetermined tightening incision. The method of claim 3,
The pressure surface is located at the upper end of the inner circumferential surface of the pipe fixing cap corresponding to the tightening piece when the female thread of the pipe fixing cap is placed in a state where the male thread of the height adjustment unit and the threaded thread are completely formed, and the central axis of the height adjustment unit is As a reference, it is formed more gently toward the central axis than the inclination angle of the clamping piece, so that the pressure surface presses the clamping piece in the direction of the central axis according to the threaded connection of the pipe fixing cap to the height adjuster to press the lifting pipe. Height adjustment post characterized in that it can be tightened. delete delete delete

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