WO2011081252A1

WO2011081252A1 - Tee pipe for preventing the cutoff of water supply, and method for preventing water leakage using same

Info

Publication number: WO2011081252A1
Application number: PCT/KR2010/001464
Authority: WO
Inventors: 김제현; 공문수; 이유찬; 정지항; 민원갑; 심선재
Original assignee: Kim Je-Hyeun; Kong Mun-Su; Lee Yu-Chan; Jung Ji-Hang; Min Won-Gab; Shim Sun-Jea
Priority date: 2009-12-31
Filing date: 2010-03-09
Publication date: 2011-07-07

Abstract

The present invention relates to a tee pipe for preventing the cutoff of water supply, which is capable of coping effectively with the displacement of an existing or newly laid pipe resulting from pipe extension, pipe distortion, or the deformation of the ground, and which has the function of repairing an already laid damaged or leaking pipe, from which foreign substances can be easily removed, and at which a branch pipe can be connected, and to a method for preventing water leakage using the tee pipe. The method for preventing water leakage of the present invention comprises: coupling the tee pipe, surrounding an outer circumferential surface of the already laid pipe and receiving a split packing inside same, to a damaged or leaking location to be cut on the outer circumferential surface of the already laid pipe; assembling a knife valve and a cutter in series at an upper branching portion of the tee pipe, which has the branching portion and a screw portion disposed in the branching portion, and then revolving the knife valve and the cutter along an outer circumferential edge of the already laid pipe to completely cut the already laid pipe; closing the branching portion of the tee pipe with an opening/closing member of the knife valve such that fluid in the already laid pipe is prevented from flowing out, and then disassembling the cutter; assembling a plugging unit having a plug to be coupled to the branching portion of the tee pipe having the knife valve, applying the same pressure as the internal pressure of the already laid pipe to the plugging unit and the knife valve, and then opening the opening/closing member of the knife valve such that the screw portion of the tee pipe, the knife valve, and the plug of the plugging unit are coupled so as to be in communication; and coupling the plug of the plugging unit to the screw portion disposed on the branching portion of the tee pipe so as to be airtight, removing the internal pressure of the plugging unit and of the knife valve, and then disassembling the plugging unit and the knife valve in series.

Description

Infinite number of qualifiers and leak prevention method using the same

The present invention relates to a method for preventing the leakage of the existing pipe or the installation of new pipes, and more specifically, it can effectively respond to the amount of displacement caused by the expansion or distortion or ground changes of the existing pipe or new pipe, It relates to the repairing function due to the breakage and leakage of the pipe, the cleaning of foreign substances in the pipe, and the technology for installing the branch pipe.

In general, existing pipes are pipes already installed in the ground or bridges, commonly referred to as the pipes through which a fluid consisting of cast iron pipes, steel or synthetic resin pipes flow, and new pipes are installed to repair or expand the existing pipes and communicate with the existing pipes. Cut it.

Conventionally, a construction method for repairing an existing pipe in which leakage or breakage occurs without stopping the flow of a fluid flowing therein is well known as a method for inserting a negative water valve including a cutting method of an existing pipe.

The above process is described in Japanese Patent Laid-Open No. 55-44167, Japanese Patent Laid-Open No. 56-83690, Japanese Patent Laid-Open No. 56-120886, and US Patent No. 5,611,365, US Patent No. 3,948,282 US Patent No. 4,516,598, Korean Patent Registration No. 897366, Korean Patent Registration No. 927460, and Korean Patent Registration No. 0362261 and Korean Patent Registration No. 0784591 by the applicant of the present invention.

The above-described conventional methods disclose a technique capable of inserting the valve without blocking the flow of the fluid. However, with conventional methods, it is difficult for the valve to be inserted to be designed to be flexible.

Accordingly, in repairing an existing pipe by using a conventional pipe divider pipe or extending a new pipe in an existing pipe, a variety of constructions or warpages or changes in ground or construction of an existing pipe or new pipe to which the pipe divider pipe is connected are established. There is a problem that it is difficult to respond effectively to the flow factors.

An object of the present invention is to use, as a flexible pipe, a water-limiting sperm pipe having a function of repairing an existing pipe without blocking the flow of fluid flowing in the existing pipe so as to effectively cope with damage and leakage caused by the elasticity of the existing pipe. do.

In another aspect, the present invention is to use the water-limiting limiting pipe as an expansion pipe that effectively prevents breakage and leakage by effectively responding to the amount of elasticity of the existing pipe and the new pipe or the amount of displacement caused by the warpage or ground variation of the pipe.

In another aspect, the present invention provides a method for preventing leakage by using a water stipulating pipe to maintain compatibility with damage and leakage of existing pipes and new pipes, as well as compatibility with cleaning foreign matters in branch pipes and installation of branch pipes. For other purposes.

In order to achieve the above object of the present invention, the sub-limiting sperm tube according to the present invention can be used as a function of repairing an existing tube and a flexible tube without blocking the flow of fluid flowing through the existing tube. After coupling, the existing pipe is completely cut while rotating 360 ° along the outer periphery of the existing pipe, and configured to be used as a flexible tube corresponding to the movement of the existing pipe on the left and right sides.

In addition, the present invention surrounds and combines the sperm tube having a branch to the breakage and leakage of the existing tube, and the knife valve and the cutter in order to assemble the combined portion of the sperm tube sequentially coupled to the outer periphery of the existing tube After cutting the existing pipe completely while rotating 360 ° accordingly, the knife valve is closed and the fluid of the existing pipe is prevented from leaking out, and then the cutter is disassembled, and the plug device is assembled with the plug to the locked knife valve. By applying the same pressure as the internal pressure to open and close the knife valve, and by turning the stopper coupled to the plug device to be hermetically coupled to the screw portion formed in the branch of the sperm tube, the plug device and the knife valve by sequentially dismantling, It can effectively repair the existing pipe and prevent the flow of fluid flowing through the existing pipe, and effectively Correspondingly, it prevents further breakage and leakage.

In addition, as a configuration for achieving the object of the present invention, it is possible to form a stepped screw portion inside the branch portion of the subparagraph sperm tube surrounding the existing pipe, and to configure a separate stopper corresponding to the screw portion. Here, the plug can be easily sealed without being affected by the internal pressure of the existing pipe using a plug device.

On the other hand, the divider sperm pipe for achieving the object of the present invention, the divided packing surrounding the entire outer peripheral surface of the existing pipe is cut and separated; A main body covering the entire outer circumferential surface of the existing pipe cut by two or more longitudinally divided partitions coupled to accommodate the packing and broken and leaked; And a branch including an opening formed at one side of the main body, a flange formed at an end thereof, and a screw formed at an inner side of the opening, wherein the screw is screwed with a corresponding stopper and is cut and separated. It can be used as a new building between existing pipes.

In addition, the divider sperm pipe for achieving the object of the present invention, the divided packing surrounding the entire outer peripheral surface of the existing pipe and the new pipe facing each other separated; A main body connecting two end portions of the existing pipe and the new pipe while covering the entire outer circumferential surface thereof while being coupled to accommodate the packing; And a branch including an opening formed at one side of the main body, a flange formed at an end thereof, and a screw formed at an inner side of the opening, wherein the screw is screwed with a corresponding stopper, and the existing pipe and the It can be used as a new building between new buildings.

In the present invention as described above, the existing tube is broken by the fatigue degree according to the elasticity of the existing tube itself is repeated expansion and expansion due to temperature changes and external pressure according to the season (phenomena that cracks or breaks due to cracks) When the leak occurs, the existing pipe can be repaired without blocking the flow of the fluid flowing in the existing pipe, and it can effectively respond to the expansion and contraction of the existing pipe, which can be generated later, to prevent additional damage and leakage.

The present invention effectively responds to the expansion and contraction of the existing pipe is rotated 360 ° with a cutting machine completely cutting the existing pipe, so that the existing pipe is divided in the state to maintain the airtight by the pipe divider jeongjak, connected by the pipe divider jeongjak When the left and right side of the existing canal is contracted or expanded, there is an effect that the contraction or expansion of the existing canal is buffered inside the penetrating sperm tube.

According to the present invention, the method for preventing leakage using the split-limiting sperm tube has an effect that can effectively cope with the displacement amount caused by the elasticity, distortion or ground fluctuation of the existing pipe.

In addition, the present invention has the effect that can be cleaned and the installation of branch pipes in the existing pipe as well as the repair function according to the damage and leakage of the existing pipe.

In addition, the present invention has an effect that can be prevented in advance to damage the expansion of the new pipe when the new pipe is installed in advance by the present invention when the water purification pipe is installed in advance.

1 is an exploded cross-sectional view of assembling the sub-limiting tube according to the present invention.

2 is an assembled cross sectional view of FIG. 1 of the present invention;

3 is a cross-sectional view showing a process of cutting the existing pipe by rotating with a cutter.

4 is a cross-sectional view of closing the knife valve and dismantling the cutter.

Figure 5 is a cross-sectional view of the plug device for mounting the plug to the locked knife valve.

Figure 6 is a perspective view of the drawing table photographing the plug device.

Figure 7 is an exploded cross-sectional view of coupling the stopper to the divider sperm pipe and dismantling the plug device and the knife valve.

Figure 8 is a plan view of the water pipe is coupled to the number of pipes.

Figure 9 is a plan view coupled to the third numbering sperm pipe coupled to another three quarters existing pipe.

10 is a cross-sectional view of FIG. 9.

11 is a schematic view showing the packing inserted into the inside of the divider sperm pipe.

The present invention relates to a method for repairing an existing pipe without blocking the flow of fluid flowing through the existing pipe to effectively cope with breakage and leakage caused by the elasticity of the existing pipe, attached to an embodiment for achieving the object of the present invention When described in detail with reference to the drawings as follows.

The scope of the present invention is not limited by the configuration or drawings presented in the specification of the present invention, and the technical spirit of the present invention and the claims to be described below by those skilled in the art to which the present invention pertains. It will be understood that various modifications and variations are possible within the scope of equivalents.

1 and 2 are exploded cross-sectional view and assembly cross-sectional view showing a process of sequentially assembling the sub-limiting sperm pipe 10, knife valve 20, cutter 30 to the existing pipe of the present invention. In the following description with reference to FIGS. 1 and 2, the detailed parts will be described with reference to reference numerals cited in the other drawings described below.

The present invention is coupled to the existing water pipe (1) in which the breakage and leakage occurs, and the water divider sperm pipe (10) for receiving the divided packing (60) that covers the entire outer peripheral surface of the pipe to the inside, The flange 16 formed in the opening 12 forming the branch is integrally formed with the opening and closing member 22, and the upper and

lower flanges

24, 26 are formed to combine the knife valve 20.

The upper flange 26 of the knife valve 20 is coupled to the cutter 30 having a cutter blade 32 on the lower side.

Each of the

flanged portions

16, 24, 26, and 36 of the sub-number limiter tube 10, the knife valve 20, and the cutter 30 is configured to correspond to each other, and includes packings to maintain airtightness. Consists of the configuration.

Wherein the knife valve 20, the cutter 30 is to use the existing product as it is, but the water-limiting sperm pipe 10 is a separate stopper 50 for airtight into the opening 12 forming a branching portion (50) Is coupled to the screw portion 14 is further configured.

As described above, when the sub-limiting pipe 10, the knife valve 20, the cutter 30, and the like are sequentially assembled to the existing pipe 1, the cutter blade of the cutter 30 as shown in FIG. 32) is lowered and the whole pipe 1 is cut while rotating 360 °.

At this time, since the internal pressure of the fluid flowing through the existing pipe 1 is completely blocked by the combined knife valve 20 and the cutting machine 30, the fluid flows through the existing pipe 1 while not flowing out, and thus does not block the flow of the fluid flowing through the existing pipe 1. Will proceed.

In addition, the cut gap of the existing pipe (1) can correspond to the behavior that is moved when the existing pipe (1) is contracted or expanded, to use a cutter blade 32 to cut at a known interval as needed do.

On the other hand, when the cutting operation of the existing pipe (1) is finished after closing the opening and closing member 22 of the knife valve 20 as shown in Figure 4 to maintain the internal pressure and fluid tightness in the existing pipe (1), The cutter 30 fastened to the knife valve 20 is dismantled.

Subsequently, as shown in FIG. 5, a plug device 40 for attaching a stopper 50 for closing the threaded portion 14 formed inside the opening 12 of the divider sperm tube 10 to the knife valve 20. Combine.

The plug device 40 is a knife valve by coupling the flange 46 in a state in which the plug 50 is attached to the threaded portion 43 formed as the end of the fastening rod 41 which is moved up and down as shown in FIG. 6. A bypass (not shown) connecting pipe composed of a pair of inlet portions 47 and a discharge portion 48 communicating with the main body of the plug device 40 is formed on the side wall.

The inlet 47 receives the pressure transmitted from the bypass to match the pressure in the plug device 40 and the knife valve 20 with the internal pressure of the existing pipe 1 to open / close the member 22 of the knife valve 20. ) Open and close the opening and closing member 22 to smoothly operate, so that the stopper 50 enters into the threaded portion 14 of the water-limiting sperm pipe 10.

The stopper 50 is pushed to the upper and lower movable fasteners 41 to reach the threaded portion 14 of the sub-limiting sperm tube 10 and then to the tightening hole 42 formed on the upper end of the fastening rods 41. When the rod or rod (not shown) is inserted and rotated, the tip 51 of the stopper 50 is fastened to the threaded portion 14 to maintain the airtightness of the water-limiting sperm pipe 10 so that the internal pressure and fluid of the existing pipe 1 can be secured. Is to prevent leakage.

Then, release the pressure transmitted from the bypass through the discharge portion 48, and turning the fastening rods 41 in the opposite direction when tightening the stopper 50, the stopper 50 is already coupled to the existing pipe (1) Only the fastening bar 41 attached to the tip of the stopper 50 can not be rotated by the internal pressure of the screw is loosened to be dismantled.

Therefore, when the plug device 40 and the knife valve 20 which are fastened as shown in FIG. 7 are sequentially dismantled, only the sub-limiting pipe 10 is packed in the existing pipe 1 as shown in FIG. 8. Since it remains in the airtight state by the (60), even if the contraction and expansion in any of the left and right direction of the cut existing pipe (1) elasticity without breakage and leakage of the existing pipe (1) It is configured to correspond to.

In addition, since the sub-numbered sperm pipe 10 may be connected to the valve body or the branch pipe to the flange 16 of the opening 12 has the advantage that can be usefully utilized as necessary.

In addition, since the number-numbered sperm tube 10 for receiving the divided packing 60 covering the entire outer circumferential surface of the existing pipe (1) to the inside can be divided into two to three or even equal parts as necessary The packing 60 may also be divided into equal parts according to the necessary division of the numbered sperm tube 10.

As another embodiment of the sub-numbered sperm tube 10 as shown in Figures 9 to 11 when the diameter of the existing pipe (1) is to be used to divide the sub-numbered sperm tube 10 in three The inner packing 60 is also equally divided into three parts, and as the diameter of the existing pipe 1 is increased, the pressure resistance and elasticity may be increased, so that the rib 61 of the packing 60 increases the sealing property accordingly. 62,63,64) can be formed in two or more on both sides with respect to the cut surface.

In addition, the above-mentioned part number limiter tube 10 is not only a repair function due to breakage and leakage, but also when using the part number limiter tube 10 at the beginning when installing the new pipe 1 according to the temperature change according to the season. It can be used for the purpose of a flexible tube that can effectively cope with the elasticity to be stretched, and can effectively cope with the amount of displacement caused by elasticity or ground fluctuations, tube warpage. Since the provisional tube 10 for installing the new pipe 1 and the leak prevention method using the same may be understood as the above-described embodiment, the overlapping illustration and description thereof will be omitted.

Claims

In the water leakage prevention method using the water pipe sperm pipe which can be constructed without blocking the flow of the fluid flowing in the existing pipe,

After combining the sub-numbered sperm tube to the existing pipe, the sub-numbered sperm pipe to prevent leakage by completely cutting the existing pipe while rotating 360 ° along the outer periphery of the existing pipe can be used as a flexible pipe Leakage prevention method using an integral part number pipe.
In the water leakage prevention method using the water pipe sperm pipe which can be constructed without blocking the flow of the fluid flowing in the existing pipe,

Coupling the whole number of outer peripheral surface of the existing pipe and the receiving portion sperm tube receiving the packing divided inside the coupling to the position to be cut of the outer peripheral surface of the existing pipe is broken and leak;

Completely cutting the existing pipe by assembling a knife valve and a cutter sequentially in the branched portion of the sperm tube having a branch portion and a screw portion formed therein, and then rotating 360 ° along the outer circumference of the existing pipe;

Dismantling the cutter after closing the branch of the sperm tube with the opening and closing member of the knife valve to prevent the fluid of the existing pipe from flowing out;

After assembling a plug device having a plug to be coupled to the branch portion of the sub-limiting sperm pipe to the knife valve, a pressure equal to the internal pressure of the existing pipe is applied to the plug device and the night valve and the opening / closing of the knife valve is performed. Opening the member so that the threaded portion of the sub-limiting sperm tube and the portion of the plug of the knife valve and the plug device are in communication; And,

Dissolving internal pressure in the plug device and the knife valve after sealingly coupling the stopper coupled to the plug device to the screw portion formed at the branch of the sub-limiting sperm pipe and dismantling the plug device and the knife valve sequentially. Leakage prevention method using a part-number limiter tube characterized in that it comprises a.
The method of claim 2, wherein the assembly and disassembly of the plug device,

The stopper is coupled to the screw portion of the end of the fastening rod which is moved up and down in the center of the main body of the plug device;

The pressure is applied to or released from the pair of inlet and outlet portions communicating with the main body, wherein the inlet is a pressure transmitted from the bypass to match the pressure in the plug device and the knife valve with the internal pressure of the existing pipe. To smoothly operate the opening / closing member of the knife valve;

Press the fastening rod of the plug device so that the stopper at its end passes through the knife valve with the opening / closing member to reach the screw portion of the sub-limiting sperm pipe, and then attaches a rod to the tightening hole formed at the top of the fastening rod. By screwing in and turning so that the tip of said stopper is coupled to said thread while maintaining airtightness; And,

After releasing the pressure transmitted from the bypass through the discharge part and turning the fastening rod in the opposite direction when the stopper is engaged, the stopper coupled to the screw part of the water stopper tube is maintained in a coupled state. Leakage prevention method using a water divider sperm pipe characterized in that it comprises a step of separating the fastening rod and the stopper.
The method of claim 2,

The method of claim 1, wherein the stopper of the water divider pipe is removed and a branch pipe or a valve body is further coupled to or connected to a flange of the water divider pipe.
Combining the existing pipe and the new pipe with a divider sperm pipe surrounding the entire outer surface of each end of the existing pipe and the new pipe facing each other and accommodating the packing divided therein;

Assembling a knife valve at the branch of the sperm tube having a branch and a thread formed therein;

Closing the branch of the sub-limiting sperm pipe with an opening / closing member of the knife valve to prevent the fluid of the existing pipe from flowing out;

After assembling a plug device having a plug to be coupled to the branch portion of the sub-limiting provisional pipe to the knife valve, a pressure equal to the internal pressure of the existing pipe is applied to the plug device and the night valve and the opening and closing of the knife valve is performed. Opening the member so that the threaded portion of the sub-limiting sperm tube and the portion of the plug of the knife valve and the plug device are in communication; And,

Dissolving internal pressure in the plug device and the knife valve after sealingly coupling the stopper coupled to the plug device to the screw portion formed at the branch of the sub-limiting sperm pipe and dismantling the plug device and the knife valve sequentially. Leakage prevention method using a part-number limiter tube characterized in that it comprises a.
The method of claim 5, wherein the assembly and disassembly of the plug device,

The stopper is coupled to the screw portion of the end of the fastening rod which is moved up and down in the center of the main body of the plug device;

Pressure is applied to or released from a pair of inlet and outlet portions communicating with the main body, wherein the inlet portion is a pressure transmitted from the bypass to match the pressure in the plug device and the knife valve with the internal pressure of the existing pipe. To smoothly operate the opening / closing member of the knife valve;

Press the fastening rod of the plug device so that the stopper at its end passes through the knife valve with the opening / closing member to reach the screw portion of the sub-limiting sperm pipe, and then attaches a rod to the tightening hole formed at the top of the fastening rod. By screwing in and turning so that the tip of said stopper is coupled to said thread while maintaining airtightness; And,

After releasing the pressure transmitted from the bypass through the discharge part and turning the fastening rod in the opposite direction when the stopper is engaged, the stopper coupled to the screw part of the water stopper tube is maintained in a coupled state. Leakage prevention method using a water divider sperm pipe characterized in that it comprises a step of separating the fastening rod and the stopper.
The method according to claim 2 or 5,

The sub-numbered sperm tube is a water leakage prevention method using a sequential-numbered sperm tube, characterized in that divided into two or three equal parts or a plurality of equal parts in the longitudinal direction corresponding to the diameter of the existing pipe.
The method according to claim 2 or 5,

The packing inserted into the inner part of the sub-limiting tube is divided into parts according to the shape of the sub-limiting tube, and the rib of the packing is formed into one or two parts according to the internal pressure. How to prevent leaks.
A divided packing covering the entire outer circumferential surface of the cut existing pipe;

A main body covering the entire outer circumferential surface of the existing pipe cut by two or more longitudinally divided partitions coupled to accommodate the packing and broken and leaked; And

And a branch including an opening formed at one side of the main body, a flange formed at an end thereof, and a screw formed at an inside of the opening.

And the screw portion is used as a stretch tube between the corresponding pipe screwed and cut and separated from the corresponding stopper.
Divided packing covering the entire outer circumferential surface of the existing pipe and the new pipe facing each other separately;

A main body connecting two end portions of the existing pipe and the new pipe while covering the entire outer circumferential surface thereof while being coupled to accommodate the packing; And

And a branch including an opening formed at one side of the main body, a flange formed at an end thereof, and a screw formed at an inner side of the opening.

And the screw portion is screwed with a corresponding stopper and is used as an expansion pipe between the existing pipe and the new pipe.