KR200441371Y1 - Sleeve for protecting pipe in building - Google Patents

Abstract

The present invention relates to a sleeve for protecting a pipe of a building, and more particularly, to provide a pipe protection sleeve structure of a building to hold the pipe inserted through the inside of the sleeve to be accurately positioned in the center of the sleeve.

To this end, the present invention and the sleeve of the hollow structure is installed through the building floor; A clamp member which is divided into two or more in a pair so as to hold the pipe installed through the sleeve to be positioned at the center of the sleeve; A wedge positioned in a divided state between the sleeve inner side and the clamp member outer side surface; And a tightening nut coupled to the upper end of the clamp member to tighten the upper end of the clamp member to be in close contact with the pipe, and the wedge to press the clamp member to be in close contact with the pipe. A sleeve protective structure is provided.

Architecture, plumbing, sleeve

Description

Sleeve for protecting pipe in building

1 is an exploded perspective view showing a sleeve structure of the present invention

2 is a longitudinal cross sectional view of the sleeve structure of FIG. 1;

3A and 3B are cross-sectional views taken along the line I-I of FIG. 2, and are functional diagrams for explaining the pipe fixing by the sleeve structure of the present invention.

Figure 3a is a state diagram before the clamp member is in close contact with the pipe

Figure 3b is a state diagram after the clamp member is in close contact with the pipe

4a to 4e are cross-sectional views showing a pipe fixing process according to the present invention,

Figure 4a is a cross-sectional view showing that only the sleeve is fixed to the concrete

Figure 4b is a cross-sectional view showing a state in which the pipe is located inside the sleeve

Figure 4c is a cross-sectional view showing a state in which the first and second clamp members are coupled to the upper inner sleeve

Figure 4d is a cross-sectional view showing the coupling of the wedge between the inside of the sleeve and the first and second clamp members while the packing is coupled to the upper sleeve

Figure 4e is a cross-sectional view showing a coupling nut is coupled to the upper portion of the first and second clamp member to secure the pipe to the center of the sleeve

5 is a perspective view showing another shape of the wedge of FIG.

6 is a bottom perspective view of the wedge of FIG.

7a and 7b is an operation diagram according to the application of the wedge of Figure 5,

7A is a cross-sectional view before the clamping member is brought into close contact with the pipe as it is before the wedge is applied.

Figure 7b is a state after the wedge is applied, cross-sectional view after the clamp member is in close contact with the pipe

8 is an exploded perspective view showing another embodiment of the sleeve structure of the present invention

9A to 9G are functional diagrams for describing the pipe fixing according to FIG. 8.

Figure 9a is a longitudinal cross-sectional view showing a state in which the support member is partially coupled between the inner sleeve upper end and the pipe.

Figure 9b is a longitudinal cross-sectional view showing a state in which the clamp member is positioned to face the outer peripheral surface of the pipe extending in the position out of the support member

Figure 9c is a longitudinal cross-sectional view showing a state in which the upper part of the clamp member is fastened to the pipe by tightening a part of the tightening nut.

Figure 9d is a longitudinal cross-sectional view showing a state in which the clamp member is positioned inside the support member

Figure 9e is a longitudinal sectional view showing a state in which the way to secure the support member to the upper end of the sleeve pushed into the support member through the guide groove

Figure 9f is a longitudinal cross-sectional view showing a state in which the support member is fully engaged inside the sleeve

Figure 9g is a longitudinal cross-sectional view showing a state in which the pipe is fixed to the center of the sleeve by fully tightening the tightening nut partially fastened to the upper end of the clamp member

FIG. 10 is a cross-sectional view of the II-II line of FIG. 9G. FIG.

11 is an exploded perspective view showing another embodiment of the sleeve structure of the present invention

12a to 12c is a longitudinal cross-sectional view of the sleeve structure of Figure 11, the action diagram for explaining the pipe fixing by the sleeve structure of the present invention

Figure 12a is a longitudinal sectional view showing a state before the coupling is coupled to the sleeve in the state in which the clamp member is opposed to the upper end of the sleeve through the pipe

12B is a longitudinal sectional view showing the state after the clamp member is coupled to the upper end of the sleeve;

Figure 12c is a longitudinal cross-sectional view showing a state in which the fastening nut is completely fastened to the upper end of the clamp member to secure the pipe in the center of the sleeve

* Explanation of symbols for main parts of the drawings

100: Sleeve 110: Unevenness

120: projection 200,300: first, second clamp member

210,310,600,800: Wedge 230,330: Insertion part

250, 350: Fastening part 240, 340: Elastic pressing piece

260,360: jam 270,370: jam

280,380: Receiving part 400: Tightening nut

410: pressing part 500: closing

610: the way part 630: connection part

700: support member 710: guide groove

730: catching part P: piping

M: Sleeve structure

The present invention relates to a sleeve for protecting a pipe of a building, and more particularly, to a pipe protection sleeve structure and a construction method of the building to hold the pipe inserted through the sleeve to be accurately positioned in the center of the sleeve. To provide.

In general, the sleeve (Sleeve) has a preliminary meaning of "metal fittings such as long shafts," and in the construction field, the sleeve is used to fix the pipes such as sewage pipes, air pipes, drain pipes and water supply pipes installed in the building. .

That is, in the construction method of the conventional sleeve formwork for forming the building floor surface is installed on each floor of the building. At this time, the bottom surface of the formwork is to create a centerline (the state in which the crosshairs are drawn around the circle) so that the sleeve is installed in the correct position. Meanwhile, the sleeve is aligned and fixed to a centerline formed on the bottom surface of the formwork, and then the sleeve is fixed with a fixing nail. At this time, the upper part of the sleeve is covered with a cap for preventing foreign matter inflow, and in the state where the cap is covered on the sleeve after pouring concrete to the upper part of the form after a certain curing period, while removing the formwork from the concrete The pipe is inserted into the sleeve embedded in concrete, and then a separate fixing means is installed on top of the sleeve to fix and finish the pipe. However, the conventional sleeve has the following problems in fixing the pipe.

For example, the pipes installed through the inside of the sleeve are installed in a state not exactly positioned at the center of the sleeve, so that when connecting the pipes and the pipes installed through the inside of the sleeve, there is a problem that the connection position is difficult to connect. have.

In other words, if the pipe is installed in a high-rise building, not a single-story building, the installation work is required at the correct location. It is difficult to connect the pipe and the pipe when the pipes continuously installed between the floors and the floor are deviated or inclined, and the pipes are blocked in the contents discharged through the pipes.

The present invention is to solve the above-mentioned problems, an object of the present invention is to provide a sleeve structure for protecting the pipe structure of the structure which is installed on the upper sleeve to hold the pipe inserted through the inside of the sleeve quickly and accurately to the center of the sleeve The purpose is to provide.

In order to achieve the above object, the present invention is a sleeve having a hollow structure installed through the building floor; A clamp member which is divided into two or more in a pair so as to hold the pipe installed through the sleeve to be positioned at the center of the sleeve; A wedge positioned in a divided state between the sleeve inner side and the clamp member outer side surface; And a tightening nut coupled to the upper end of the clamp member to tighten the upper end of the clamp member to be in close contact with the pipe, and the wedge to press the clamp member to be in close contact with the pipe. A sleeve protective structure is provided.

Hereinafter, an embodiment of the present invention will be described in detail with reference to FIGS. 1 to 3.

1 is an exploded perspective view showing a sleeve structure of the present invention, Figure 2 is a longitudinal cross-sectional view of the sleeve structure of Figure 1, Figures 3a and 3b is a cross-sectional view of the line I-I of FIG. This is an operation diagram for explaining the process of fixing the pipe.

Referring to these drawings, the sleeve 100 of the hollow structure is installed through the building floor; First and second clamp members (200) (300) formed in two sets and divided into two groups so that the pipe (P) installed through the sleeve (100) can be held at the center of the sleeve (100); Wedges 210 and 310 positioned in a divided state between the sleeve 100 and the outer surfaces of the first and second clamp members 200 and 300; Wedge 210 is coupled to the upper end of the first and second clamp members 200 and 300 to tighten the upper ends of the first and second clamp members 200 and 300 to be in close contact with the pipe P. And a tightening nut 400 to press the first and second clamp members 200 and 300 to be in close contact with the pipe P.

The sleeve 100 is a hollow structure through which the inside is made of plastic or PVC material, the outer diameter of the intermediate portion in the axial direction of the sleeve 100 is the outer diameter of both ends of the sleeve 100 in order to increase the bonding force with the concrete It is formed to achieve a smaller outer diameter.

In addition, the middle portion of the sleeve 100 formed as described above is formed with fine concavo-convex 110 on the surface to further increase the bonding force with the concrete (CON) that is poured to form the building floor surface.

In addition, the protrusion 120 is preferably formed in an annular or arc shape along the circumferential direction on the outer circumferential surface of the middle portion of the sleeve 100.

Meanwhile, the first and second clamp members 200 and 300 are inserted into the upper portion of the sleeve 100 and are positioned between the inner side of the sleeve 100 and the outer peripheral surface of the pipe P. In addition, the first and second clamp members 200 and 300 have insertion portions 230 and 330 formed on the lower side of the first and second clamp members 200 and 300 so as to be coupled to the upper portion of the sleeve 100. Fastening parts 250 and 350 having a thread formed on an outer circumferential surface thereof are integrally formed on the insertion parts 230 and 330 to be combined with the tightening nut 400 as a diameter smaller than the diameter.

In addition, the upper end portion of the sleeve 100 is disposed on the outer circumferential surface of the insertion portion 230, 330 and the fastening portion 250, 350 so that only the insertion portion 230, 330 is the sleeve 100. The engaging pieces 270 and 370 are formed to be inserted inward.

Meanwhile, the outer peripheral surfaces of the first and second clamp members 200 and 300 are provided with accommodating parts 280 and 380 for joining the wedges 210 and 310, respectively, and the accommodating parts 280 and 380. Is tapered to correspond to the inner circumferential surface of the wedges 210 and 310.

In addition, the inner circumferential surfaces of the wedges 210 and 310 that are joined to the receiving portions 280 and 380 are tapered to correspond to the receiving portions 280 and 380, and the upper end portion thereof is hung on an upper end portion of the sleeve 100. The stopping portions 210a and 310a are formed.

On the other hand, the upper end of the sleeve 100, the noise prevention and the wedge 210, 310 and the sleeve 100 due to mutual friction with the engaging pieces 270, 370 of the first and second clamp members (200, 300) Packing 500 is further provided for sealing between the).

In addition, the outer circumferential surface of the tightening nut 400 forms a rough surface so as not to slip when loosening or tightening the tightening nut 400, and a pressing part 410 having a large diameter is formed to increase the pressing area outside the lower end thereof. do.

On the other hand, the overall profile cross-sectional shape of the tightening nut 400 may be polygonal.

Therefore, the first and second clamp members in a state in which only the sleeve 100 remains on the building bottom surface through a concrete curing process during the fixing process of the pipe P using the sleeve structure M of the present invention. (200) 300 and the effect of the coupling between the wedge 210, 310 and the tightening nut 400 with reference to Figures 4a to 4e, with reference to Figures 3a and 3b as necessary The explanation is as follows.

First, referring to FIG. 4A, only a sleeve is embedded and fixed in concrete.

Next, referring to FIGS. 4B and 4C, the pipe is positioned inside the sleeve, and the first and second clamp members are coupled to the inside of the sleeve.

That is, the pipe P is installed inside the sleeve 100 and is inserted between the outside of the pipe P and the inside of the sleeve 100 so that the pipe P is positioned at the center of the sleeve 100. First and second clamp members 200 and 300, which are divided to give, are inserted into the upper part of the sleeve 100.

In this case, the first and second clamp members 200 and 300 positioned to be divided into the sleeve 100 have a predetermined shape in which the first and second clamp members 200 and 300 are not in close contact with the pipe P. The distance l is spaced apart, as shown in FIG. 3A.

Next, referring to FIG. 4D, the packing is positioned on the upper portion of the sleeve, and a wedge is inserted between the inner side of the sleeve and the outer side of the first and second clamp members.

That is, in the receiving portion 280 and 380 between the outside of the first and second clamp members 200 and 300 spaced apart from the pipe P by a predetermined distance ℓ and the inside of the sleeve 100. Wedges 210 and 310 are respectively inserted. In this case, the wedges 210 and 310 inserted into the receiving grooves 280 and 380 of the first and second clamp members 200 and 300 may serve as the first and second clamp members 200 and 300. As the first and second clamp members 200 and 300 are in close contact with the pipe P by being pressurized, the pipe P is fixed to the center of the sleeve 100, as shown in FIG. 3B. .

Next, referring to FIG. 4E, the tightening nut is coupled to the upper portion of the first and second clamp members to closely contact the upper portion of the first and second clamp members to the pipe P.

That is, the tightening nut 400 coupled to the fastening portion of the first and second clamp members 200 and 300 closely adheres to the upper end of the first and second clamp members 200 and 300 to the pipe P. The upper and lower portions of the wedge 210 and 310 are coupled to the fastening nut 400 to the fastening parts 250 and 350 of the first and second clamp members 200 and 300. The wedge 210 and 310 pressurized by the tightening nut 400 pressurizes the first and second clamp members 200 and 300 to fix the pipe 100 to the center of the sleeve 100. It adheres more strongly to P).

On the other hand, when removing the pipe (P) fixed to the center of the sleeve 100, when the fastening nut 400 is released in the direction in which the tightening force is released, the tightening nut 200 is the first and second clamp members It is detached from the fastening parts 250 and 350 of the 200 and 300.

As a result, the adhesion of the first and second clamp members 200 and 300 in close contact with the pipe P is released, so that the pipe P can be removed from the inside of the sleeve 100.

In addition, when the overall profile cross-sectional shape of the tightening nut 400 is a polygon, a dedicated tool (for example, a monkey spanner, a pipe wrench, etc.) may be more easily released.

Meanwhile, the wedge 600 illustrated in FIGS. 5 and 6 has a wedge 610 inserted into the sleeve 100 and spaced apart from the outer surface of the first and second clamp members 200 and 300. And the connection part 630 connecting the upper part of the wedge part 610. The effect thereof is that the wedge part 610 is connected to the connection part 630. Effective in managing

Herein, when the wedge 600 is applied instead of the wedge 210 and 310 applied to FIGS. 3A and 3B including FIGS. 4A to 4E, the description thereof will be omitted.

7A and 7B are cross-sectional views corresponding to line I-I of FIG. 2 when the wedge 600 is applied to FIGS. 5 and 6, and FIG. 7A is a state before the wedge is applied, and the clamp member is in close contact with the pipe. 7B is a cross-sectional view after the clamp member is in close contact with the pipe as a state after the wedge is applied.

Meanwhile, another embodiment of the present invention will be described in detail with reference to FIGS. 8 to 10.

8 is an exploded perspective view showing another embodiment of the sleeve structure of the present invention, Figures 9a to 9g is a functional diagram for explaining the pipe fixing according to Figure 8, Figure 10 is a line II-II of Figure 9g Cross section view.

Prior to describing another embodiment of the present invention, for the parts made in the same manner as the configuration of the sleeve 100, the first and second clamp members 200 and 300, and the tightening nut 400 shown in FIG. The same code | symbol is applied and demonstrated.

Referring to Figure 8, the sleeve 100 of the hollow structure is installed through the building bottom surface; A support member 700 located inside the sleeve 100 and having a plurality of guide grooves 710 formed on an outer circumferential surface thereof; The first and second clamp members 200 and 300 which are divided into two sets are formed so that the pipe P installed through the support member 700 can be positioned at the center of the sleeve 100. ; Wedge 800 is inserted into the guide groove 710 of the support member 700; The wedge 800 is coupled to the upper end of the first and second clamp members 200 and 300 to tighten the upper end of the first and second clamp members 200 and 300 to be in close contact with the pipe P. It comprises a; fastening nut 400 to press the first and second clamp members 200, 300 in close contact with the pipe (P).

At this time, the upper end of the support member 700 is formed so that the engaging portion 730 is caught to the upper end of the sleeve 100 is bent to the outside.

In addition, the wedge 800 is outside the first and second clamp members 200 and 300 to prevent axial movement of the pipe P inserted into the first and second clamp members 200 and 300. Correspondingly tapered.

Meanwhile, the first and second clamp members 200 and 300 have insertion portions 230 and 330 formed on the lower side of the first and second clamp members 200 and 300 so as to be coupled to the upper portion of the sleeve 100 and the upper portions of the insertion portions 230 and 330. The fastening parts 250 and 350 having a screw thread formed on the outer circumferential surface thereof are integrally formed to be coupled to the tightening nut 400 to a diameter smaller than the diameter of the insertion parts 230 and 330.

At this time, the insertion portions 230 and 330 of the first and second clamp members 200 and 300 are tapered from the bottom up.

Therefore, the sleeve assembly construction process according to an embodiment of the present invention and the effects in the process are as follows.

First, referring to FIG. 9A, the support member 700 is positioned between the inside of the upper end of the sleeve 100 and the pipe P in a partially coupled state.

That is, when the support member 700 positioned in the imaginary line state moves in the direction of the arrow, the wedges 210 and 310 which are coupled to the guide groove 710 of the support member 700 and protrude outwardly are sleeves. 100 will be placed on the upper end. For this reason, only a part of the support member 700 is inserted inside the upper end of the sleeve 100.

Next, as shown in FIG. 9C, two first and second clamp members 200 and 300 opposed to the outer circumferential surface of the pipe P extended to a position outside the support member 700 are positioned as shown in FIG. 9B. The upper ends of the first and second clamp members 200 and 300 are partially fastened to the tightening nut 400.

That is, the fastening nut 400 is fastened to the fastening parts 250 and 350 of the first and second clamp members 200 and 300, but the first and second clamp members 200 are connected to the pipe P. Only a part of the tightening nut 400 is fastened to the fastening parts 250 and 350 so that the 300 remains fixed.

Next, referring to FIG. 9D, the first and second clamp members 200 and 300 are positioned inside the support member 700.

That is, the tightening nut for fixing the first and second clamp members 200 and 300 to the pipe P on the upper portion of the support member 700 in which only a part of the sleeve 100 is coupled inside the upper end of the sleeve 100. The pressing portion 410 of the 400 is placed on the state, and the first and second clamp members 200 and 300 are positioned inside the support member 700.

Next, referring to FIG. 9E, the wedge 800 fixing the support member 700 to the upper end of the sleeve 100 is pushed into the support member 700 through the guide groove 710.

That is, when the wedges 800 spanning the upper end of the sleeve 100 are pushed into the guide groove 710 of the support member 700, the support member 700 is inserted into the sleeve 100. There is no interference with the sleeve 100.

Next, referring to FIG. 9F, the support member 700 is completely inserted into the sleeve 100.

That is, the engaging portion 730 of the support member 700 is placed on the upper end of the sleeve 100.

Next, referring to FIG. 9G, the fastening nut partially fastened to the upper end of the clamp member is completely fastened to fix the pipe at the center of the sleeve.

That is, further turning the tightening nut 400 holding the fastening portions 250 and 350 of the first and second clamp members 200 and 300 to be fixed to the pipe P in the direction of tightening force. The main surface of the first and second clamp members 200 and 300 is raised.

In addition, the tapered portions of the first and second clamp members 200 and 300 and the tapered portions of the wedge 210 and 310 are in close contact with each other as shown in FIG. Press the 300 to closely contact the first and second clamp members 200 and 300 to the pipe P.

In other words, the tightening force of the tightening nut 400 which tightens the fastening parts 250 and 350 of the first and second clamp members 200 and 300 is the first and second clamp members 200 and 300. By tightening close to the pipe, the pipe (P) is fixed in a stable state in the center of the sleeve (100).

Meanwhile, when the pipe P fixed to the center of the sleeve 100 is to be removed, the fastening nut 400 is fastened from the fastening portions 250 and 350 of the first and second clamp members 200 and 300. When release in the direction in which the tightening force is released, the adhesive force of the first and second clamp members (200, 300) in close contact with the pipe (P) is released, thereby the pipe (P) from the sleeve 100 You can remove the.

Meanwhile, another embodiment of the present invention will be described in detail with reference to FIGS. 11 and 12.

11 is an exploded perspective view showing still another embodiment of the sleeve structure of the present invention, Figures 12a and 12b is a coupling longitudinal cross-sectional view of the sleeve structure of Figure 11, the operation for explaining the pipe fixing by the sleeve structure of the present invention Doi is.

Before describing another embodiment of the present invention, for the parts made in the same manner as the configuration of the sleeve 100, the first and second clamp members 200, 300, and the tightening nut 400 shown in FIG. The same code | symbol is applied and demonstrated.

Referring to Figure 11, and the sleeve 100 of the hollow structure is installed through the building floor; The first and second clamp members 200 and 300 are divided into two or more in a set so that the pipe P installed through the sleeve 100 can be positioned at the center of the sleeve 100. Wow; A fastening nut 400 coupled to the upper ends of the first and second clamp members 200 and 300 to tighten the first and second clamp members 200 and 300 to be in close contact with the pipe P. The inner circumferential surface of the first and second clamp members 200 and 300 is inserted into the sleeve 100 on the outer circumferential surface of each of the divided first and second clamp members 200 and 300. A plurality of elastic pressing pieces 240 and 340 to be in close contact with the outer circumferential surface is protruded.

In addition, the elastic pressing pieces 240 and 340 are bent downward again in a state of protruding in the horizontal direction on the outer circumferential surface of the first and second clamp members 200 and 300, the bent end outer surface is a sleeve 100 is formed to be inclined to facilitate insertion into the interior.

Meanwhile, the horizontally protruding portions of the elastic pressing pieces 240 and 340 are provided with locking portions 260 and 360 extending further in the horizontal direction.

Therefore, the sleeve assembly construction process according to another embodiment of the present invention and the effects in the process are as follows.

Referring to FIG. 12A, first and second clamp members 200 and 300 are positioned to face the pipe P at an upper end portion of the sleeve 100 through which the pipe P passes.

Next, referring to FIG. 12B, the first and second clamp members 200 and 300 are opposed to each other between the outer peripheral surface of the pipe P located inside the sleeve 100 and the inside of the sleeve 100. .

That is, the first and second clamp members 200 and 300 inserted through the sleeve 100 are in close contact with the inner circumferential surface of the first and second clamp members 200 and 300 to the outer circumferential surface of the pipe P. The elastic pressing pieces 240 and 340 protruding from the outer circumferential surfaces of the first and second clamp members 200 and 300 in the state of being inserted are inserted into the sleeve 100.

In this case, the end portions of the elastic pressing pieces 240 and 340 inserted into the sleeve 100 are divided into a lowermost point (a) and a highest point (b), as shown in FIG. 12A. The diameter formed by a) is smaller than the diameter of the sleeve 100, and the diameter formed by the uppermost point b is larger than the diameter of the sleeve 100.

As described above, when the first and second clamp members 200 and 300 are inserted into the sleeve 100, the elastic pressing pieces 240 of the first and second clamp members 200 and 300 ( Since the diameter of the uppermost point b of the ends 340 is larger than the diameter of the sleeve 100, the elastic pressing pieces 240 and 340 are pressed inward by the inner surface of the sleeve 100, and both sides of the first The first and second clamps 200 and 300 are moved in contact with each other.

Therefore, the inner circumferential surfaces of the first and second clamp members 200 and 300 are in close contact with the outer circumferential surface of the pipe P.

Meanwhile, the locking parts 260 and 360 formed on one side of the elastic pressing pieces 240 and 340 are not coupled to the first and second clamp members 200 and 300 inside the sleeve 100. It will be over the sleeve 100.

 Next, referring to FIG. 12C, the fastening nut 400 is completely fastened to the upper ends of the first and second clamp members 200 and 300 to fix the pipe P at the center of the sleeve 100. .

That is, when the tightening nut 400 is turned in the direction in which the tightening force is applied to the fastening parts 250 and 350 of the first and second clamp members 200 and 300, the first and second clamp members 200 ( Tightening the upper end of the 300, as well as by further pressing the elastic pressing pieces 240, 340 formed on the outer circumferential surface of the first, second clamp member 200, 300 is more stable in the center of the sleeve 100 The pipe P is fixed in the state.

At this time, the pressing portion 410 of the tightening nut 400 presses the upper portions of the elastic pressing pieces 240 and 340 so that the adhesion force of the elastic pressing pieces 240 and 340 to the inner surface of the sleeve 100 is increased. Is further increased.

Meanwhile, when the pipe P fixed to the center of the sleeve 100 is to be removed, the fastening nut 400 is fastened from the fastening portions 250 and 350 of the first and second clamp members 200 and 300. When released in the direction in which the tightening force is released, the adhesive force of the first and second clamp members (200, 300) in close contact with the pipe (P) is released, and the close contact with the inner surface of the sleeve (100) As the adhesive force of the elastic pressing pieces 240 and 340 is released, the pipe P may be removed from the sleeve 100.

Here, reference numerals 230 and 330 denote insertion parts inserted into the sleeve 100, and 500 is a packing placed between the first and second clamp members 200 and 300 and the upper portion of the sleeve 100.

The present invention as described above has the following effects.

That is, the pipe is installed on the top of the sleeve to be inserted through the inside of the sleeve to hold the center of the sleeve quickly and precisely, when the connection between the pipe and the pipe can be connected to each other, there is an effect that can reduce the working time. .

Claims (11)

A sleeve having a hollow structure installed through the building bottom surface; A clamp member which is divided into two or more in a pair so as to hold the pipe installed through the sleeve to be positioned at the center of the sleeve; A wedge positioned in a divided state between the sleeve inner side and the clamp member outer side surface; And a tightening nut coupled to the upper end of the clamp member to tighten the upper end of the clamp member to be in close contact with the pipe, and the wedge to press the clamp member to be in close contact with the pipe. Sleeve protection structure for piping. The method of claim 1, Sleeve structure for protecting the piping of the building, characterized in that the inner peripheral surface of the wedge is tapered. The method of claim 1, The clamp member is formed on the outer circumferential surface of the receiving portion is formed, the receiving portion, the receiving portion has a tapered protection structure of the building, characterized in that the tapered shape corresponding to the inner circumferential surface of the wedge. The method of claim 1, The upper end of the wedge is a sleeve structure for protecting the piping structure, characterized in that the hook piece is further provided on the upper end of the sleeve. The method of claim 1, The outer circumferential surface of the tightening nut is a sleeve structure for protecting the piping of the building, characterized in that the surface is further provided. A sleeve having a hollow structure installed through the building bottom surface; A clamp member which is divided into two or more in a pair so as to hold the pipe installed through the sleeve to be positioned at the center of the sleeve; A wedge including a wedge portion inserted between the inner side of the sleeve and an outer surface of the clamp member, and a connecting portion connecting the upper portion of the wedge portion; And a tightening nut coupled to the upper end of the clamp member to tighten the upper end of the clamp member to be in close contact with the pipe, and a wedge part of the wedge pressurizing the clamp member to be in close contact with the pipe. Sleeve structure for protection of plumbing. A sleeve having a hollow structure installed through the building bottom surface; A support member positioned inside the sleeve and having a plurality of guide grooves formed on an outer circumferential surface thereof; A clamp member which is divided into two or more in a pair so as to hold a pipe installed through the support member at a center of the sleeve; A wedge inserted into the guide groove of the support member; And a tightening nut coupled to the upper end of the clamp member to tighten the upper end of the clamp member to be in close contact with the pipe, and the wedge to press the clamp member to be in close contact with the pipe. Sleeve protection structure for piping. The method of claim 7, wherein Sleeve structure for protecting the piping of the building, characterized in that the inner surface of the wedge is formed to be tapered to correspond to the outer peripheral surface of the clamp member. A sleeve having a hollow structure installed through the building bottom surface; A clamp member which is divided into two or more in a pair so as to hold the pipe installed through the sleeve to be positioned at the center of the sleeve; It is configured to include; a tightening nut coupled to the upper end of the clamp member to tighten the clamp member in close contact with the pipe, On the outer circumferential surface of each of the divided clamp members formed sleeves for protection of the pipe structure, characterized in that the elastic pressing piece is formed so that the inner circumferential surface of the clamp member is in close contact with the outer circumferential surface when inserted into the sleeve. The method of claim 9, The elastic pressing piece It is bent downward again in a state protruding in the horizontal direction on the outer peripheral surface of the clamp member, the bent end outer surface is formed to be inclined to facilitate the insertion into the sleeve sleeve structure of a building. The method of claim 9, The projecting portion of the elastic pressing piece in the horizontal direction, the sleeve structure for protecting the pipe of the building, characterized in that the locking portion further extended in the horizontal direction is provided.

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