KR101803076B1 - Non water blockage valve - Google Patents

Abstract

The water supply pipe connected to the both ends of the secondary water valve is firmly fixed so that the water pipe is prevented from being separated and prevented from being tilted and the watertightness of the connection portion between the secondary water valve and the water supply pipe is surely secured. Is provided.

Description

[0001] NON WATER BLOCKAGE VALVE [0002]

The present invention relates to a secondary end water valve having an anti-pipe structure, and more particularly, to a water pipe connected to both end portions of a secondary water valve is firmly fixed to prevent the water pipe from being separated and blocked, And an airtightness of the connecting portion between the water valve and the water supply pipe is reliably ensured.

Generally, irrigation works such as replacement of old waterworks pipes, rehabilitation, partial repair, and replacement of auxiliary facilities such as valve devices are done through excavation by road excavation or by unguided excavation without road excavation have.

In the above-mentioned method of irrigation watering of the aged water supply pipe, excavation is performed by cutting the water supply valve provided at both ends of the irrigation volume construction section, then excavating the road, replacing the aged water supply pipe, and then re-installing it.

In addition, irrigated construction method of aged waterworks pipe irrigation construction method excavated work place at irregular interval construction interval, blockage of water supply valve installed at both ends of irrigation construction section, Cutting the pipe, rehabilitating the inner wall of the old water pipe with a rehabilitation means such as a liner, and connecting the cut part.

On the other hand, both the excavation method and the non-excavation method in the irrigation water amounting method of the old waterworks pipe as described above have been subjected to a lot of inconveniences in the period of irrigation construction work for a certain period of time, There was a high incidence of safety accidents.

In addition, due to the unavoidable singularity for irrigation construction, it causes problems of low water pressure due to deterioration of the water passage capacity of the adjacent pipelines, which makes it impossible to supply stable water, and also causes various inconveniences such as extension of construction period by a single procedure .

In order to solve the above-mentioned problem, a method of replacing a valve by using a method of constructing a temporary end valve has recently been applied.

As shown in Fig. 1A, as an example of the above-mentioned method of constructing the end valve, Japanese Patent Registration No. JP4144690 discloses a method of installing a sealed housing 1 divided into a lower housing 1a and an upper housing 1b in a water pipe P Closing valve is closed and the perforation device is removed. Then, the opening and closing valve 35 and the perforating device 30 are provided in the sealing housing to form a perforation hole in the main water supply pipe, V is mounted in the sealed housing, and the lid 44 and the adapter 28 are installed. Then, the branch valve is fixed to the sealing housing with a bolt.

As shown in FIG. 1B, when the perforation hole is drilled in the perforation device, the pipe (P) dl is completely cut, and a gap (G) is formed at the joint between the water pipe and the valve do.

However, the valves installed in the water pipe through the above-described conventional techniques have the following problems.

First, since the water supply pipe is not tightly coupled to the inside of the valve body due to the gap G formed between the water supply pipe and the inner surface of the valve body, the water supply pipe is easily separated from the valve body .

Second, a gap G is formed between the water pipe and the inner surface of the valve body, and when the bypass hole is drilled through the perforator, the pipe is completely cut and the water pipe is not supported inside the valve body. Thereby causing a problem that the water pipe is struck in the valve body.

Thirdly, the packing (P) is inserted into the gap (G) formed between the water pipe and the inner surface of the valve body to maintain the airtightness. In practice, the contact surface of the packing and the valve body is closely contacted The packing can not be maintained and a minute gap is generated between the connecting portions of the packing, so that not only the packing is easily separated by the water pressure but also the effective airtightness can not be ensured.

It is an object of the present invention to provide a water supply valve that is structured such that a water supply pipe coupled to both end portions of a secondary water supply valve is firmly fixed so that the water supply pipe is prevented from being separated and crushed and the airtightness of the connection portion of the secondary water supply valve and the water supply pipe is surely secured And an end stop valve having an anti-pipe separation structure.

In order to achieve the above-mentioned object, the present invention provides an upper body and a lower body, which are separated from each other and are connected to each other in such a manner as to be in close contact with an outer surface of a water pipe with a water pipe interposed therebetween. A valve body having a coupling flange formed at a front end and a rear end by a coupling of the upper body and the lower body, A valve cover mounted on the valve body and coupled to the coupling flange to close the opening; A valve disk configured to selectively pass or block the flow of the water pipe while moving up and down through a perforation hole formed in the water pipe correspondingly to the opening; And the outer surface of the water supply pipe connected to the inside of the pipe connection portion is pressed evenly to the outer surface of the pipe connection portion so as to support and fix the water supply pipe inside the pipe connection portion, And a support fixing member configured to prevent the water pipe from being separated from the connection pipe and being blocked from the connection pipe.

The supporting and fixing member includes a male thread fastened to the fastening hole, a head portion provided at the upper end of the male and female threads, a pressing portion formed to be extended at the lower end of the male thread, and a fitting portion, A pressing body having a hole formed therein and having a receiving groove for receiving the pressing portion formed at a lower portion of the fitting hole and a wedge shape formed at a lower surface of the pressing body so that when the male thread is fastened to the fastening hole, And a press-fit stamper which is press-fitted into the stamper.

The supporting and fixing member may include a fastening chamber having an external thread formed on the outer surface thereof with a male screw portion to be fastened to the fastening hole and an insertion hole formed on a lower surface of the fastening hole and a fastening chamber formed integrally with the fastening chamber, And a pressing spring interposed between the upper surface of the fastening chamber and the supporting piece inside the fastening chamber, the pressurizing support bar having a press- desirable.

In addition, a rubber packing is disposed on the outer surface of the water pipe so as to be spaced apart from the outer surface of the water pipe, and a filling space is formed between the rubber packing and the pipe connecting portion and the water pipe. And an injection valve configured to selectively open and close the filling space is provided to fill the filling space with epoxy or quick concrete through the filling valve to seal the connection part between the pipe connecting part and the water supply pipe .

Each of the rubber packings has a first fitting protrusion formed on one side thereof and a first fitting groove formed on the other side thereof. The other end of the rubber packing is formed with the other end A second fitting protrusion corresponding to the first fitting protrusion is formed at one side and a second fitting protrusion corresponding to the first fitting groove is formed at the other side of the first fitting protrusion, the rubber packing is wrapped around the outer surface of the water pipe, And the second fitting groove and the second fitting projection at the other end of the rubber packing are coupled to each other and fixed to the outer surface of the water pipe.

The present invention is not limited to the above-described embodiments, but the present invention is not limited to the above-described embodiments, and various changes and modifications may be made without departing from the spirit and scope of the present invention as defined by the appended claims. It is effective.

In addition, the present invention is characterized in that the connection between the end water valve and the water supply pipe is packed with a rubber packing, and the epoxy and epoxy or quick-setting concrete filled in a filling space formed between a pair of rubber packing, There is an effect that the airtightness of the portion is surely achieved.

FIGS. 1A to 1C are diagrams for explaining an example of a conventional method of constructing a valve stem by means of tube cutting,
FIG. 2 is an exploded perspective view of a single-ended water valve having an anti-
3 is an assembled side view of the end-effector valve having an anti-pipe structure according to the present invention,
FIG. 4 is a view showing a preferred embodiment of a support and fixing member in a final end water valve having an anti-pipe structure according to the present invention;
FIG. 5 is a view showing another preferred embodiment of the support and holding member in the end-stop valve having the tube-release preventing structure according to the present invention,
FIG. 6 is a view showing another preferred embodiment of the end-stop valve having an anti-pipe structure according to the present invention;
Figures 7 and 8 are side cross-sectional views of Figure 5,
Figure 9 shows a preferred embodiment of a rubber packing applied to Figure 6;

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

FIG. 3 is a side view of the combined end-stop valve having an anti-teething structure according to the present invention, and FIG. 4 is a cross- FIG. 5 is a view showing a preferred embodiment of the support and securing member in the end-stop valve having the tube-release preventing structure according to the present invention, and FIG. Fig.

Referring to the accompanying drawings, the present invention is applied to a secondary-end water valve having an anti-pipe structure, which is used for replacing a pipe such as a water pipe using a secondary water valve construction method or installing a water- And a water supply pipe connected to both ends of the lower end water valve is firmly fixed so that the water supply pipe is prevented from being separated and crushed and the airtightness of the connecting portion of the water supply valve and the water supply pipe is securely secured And includes a valve body (100), a valve cover (200), a valve disc (300), and a support holding member (400).

The valve body 100 is divided into an upper body 101 and a lower body 102 and is connected to the outer surface of the water pipe 1 with the water pipe 1 interposed therebetween. The upper body and the lower body may have flanges 101a and 102a corresponding to each other and may be easily coupled to each other through the flanges 101a and 102a.

More specifically, an opening portion 101b is formed on the upper portion of the upper body 101 and a coupling flange 101c is formed on the opening portion 101b. The coupling flange 101c is a portion to which a perforating device for perforating the perforation hole 1a or a valve cover 200 described later is coupled to the water supply pipe 1 when the secondary end water valve is installed. Further, the valve disc 300 to be described later is inserted into the valve body 100 through the opening portion 101b of the upper body.

The valve body 100 includes pipe connecting portions 110 and 120 through which the water pipe 1 is coupled to the front end and the rear end of the valve body 100 by the coupling of the upper body 101 and the lower body 102 . That is, when the valve body 100 composed of the upper body and the lower body is coupled to the outer surface of the water pipe 1 and the perforation hole 1a is drilled in the water pipe through the opening portion 101b of the upper body, And the water pipe 1 is fitted to the pipe connecting portions 110 and 120 formed at the front end and the rear end of the body 100, respectively.

The valve cover 200 is installed on the valve body 100 and is coupled to the coupling flange 101c to close the opening 101b. The valve cover 200 is formed with a through hole 210 through which an operation knob 220 for actuating a valve disk to be described later is inserted. The valve disc 200 is rotated by the operation knob 220, Up operation.

The valve disc 300 is configured to selectively pass or block the flow of the flow path of the water supply pipe 1 while moving up and down through the perforation hole 1a formed in the water supply pipe 1 corresponding to the opening portion 101b do. That is, when the operation knob 220 installed on the valve cover 200 is rotated, the valve disc 300 is selectively moved up and down along the operation knob to selectively open or close the valve.

The support fixing member 400 is fixed to the outer surface of the pipe connection parts 110 and 120 at the outer surface of the water pipe 1 coupled to the pipe connection parts 110 and 120 by being fastened to the fasteners 111 and 121 formed at regular intervals along the circumferential direction, As shown in Fig. That is, according to the present invention, the support and fixing member 400 supports and supports the water pipe 1 inside the pipe connection parts 110 and 120 so as to prevent the water pipe 1 from being separated and blocked from the pipe connection parts 110 and 120 Which is a major feature.

4, the support fixing member 400 includes a male thread 411 fastened to the fastening hole, a head 412 provided at the upper end of the male thread 411, A pressing part 413 extended to the lower end of the barrel 411 and a fitting hole 414a in which the lower end of the male barrel 411 is fitted are formed on the upper surface of the barrel 414, A pressing body 414 in which a receiving groove 414b for accommodating the pressing member 413 is formed and a pressing body 414 formed in a wedge shape on the lower surface of the pressing body 414 so that when the male and female threads 411 are fastened to the fastening holes 111 and 121, And a press-fit fixing portion 415 which is press-fitted into the outer surface of the water supply pipe 1 by pressing the pressing portion 413.

The supporting and fixing member 400 according to the embodiment configured as described above is constructed such that the studs 415 formed at the lower ends of the male and female threads 411 are pressed on the outer surface of the water pipe 1, There is an advantage that the water pipe 1 is prevented from being detached from the pipe connecting portions 110 and 120 because the water pipe 1 is firmly fixed within the pipe connecting portions 110 and 120. In addition, since the support and fixing member 400 is configured to support the outer surface of the water supply pipe 1 at equal intervals within the pipe connection portions 110 and 120, the water supply pipe 1 stalls in the pipe connection portions 110 and 120 And it is advantageous that the water pipe is prevented from being damaged by the load caused by the sagging of the water pipe 1.

5, the supporting and fixing member 400 is formed with a male screw portion 421a to be fastened to the fastening holes 111 and 121 and a fastening chamber 421b having a fastening hole 421b formed on the lower surface thereof. And a supporting piece 422a is integrally formed at an upper end thereof and is provided at a lower end in an air-tight manner, and the outer surface of the water pipe is press- And a pressing spring 423 interposed between the upper surface of the fastening chamber 421 and the supporting piece 422a inside the fastening chamber 421. The pressurizing support rod 422 is formed with a press- . With this structure, when the fastening chamber 421 is fastened to the fastening holes 111 and 121 in a state where the water pipe is fitted in the pipe connection portion, the pressure support bar 422 is supported by the pressure spring 423, And the outer surface of the water pipe (1) is pushed against the water pipe (42) while being pressed against the water pipe (1).

Therefore, in addition to the advantages of the support and fixing member according to the embodiment, the support and fixing member according to the present embodiment has the advantage that the outer surface of the water pipe 1 is press-fitted to the press- Since the fastening chamber 421 is prevented from being unwound from the fastening holes 111 and 121 and the water pipe 1 is more firmly fixed at the pipe connecting portions 110 and 120 have.

The present invention is characterized in that the airtightness of the connection portion between the secondary-end water valve and the water supply pipe can be reliably ensured.

6 and 7, a rubber packing 500 is disposed on the outer surface of the water pipe 1 so as to be spaced apart from the outer surface of the pipe connection part 110, And a filling space S is formed between the pipe connecting portions 110 and 120 and the water pipe 1. An injection valve 600 configured to selectively open and close the filling space S is installed on an outer surface of the tube connecting parts 110 and 120.

8, epoxy or hardened concrete C is filled into the filling space S through the injection valve 600 to connect the connecting portions between the pipe connecting portions 110 and 120 and the water pipe 1 .

As described above, the double rubber packing 500 is provided at the connection portion between the secondary end water valve and the water supply pipe so that the airtightness of the connection portion between the secondary water valve and the water supply pipe can be maintained, Since the gap formed between the secondary end water valve and the water supply pipe is filled with epoxy or hardened concrete (C) in the filling space (S), the connection part between the end water valve and the water pipe is secured have.

Further, as shown in FIG. 9, both end portions of the rubber packing 500 are preferably configured to be respectively cut in an "S" shape. That is, one end 500-1 of the rubber packing has a first fitting protrusion 510 formed on one side thereof, a first fitting groove 520 formed on the other side thereof, and the other end 500-2 of the rubber packing A second fitting protrusion 530 corresponding to the first fitting protrusion 510 is formed and a second fitting protrusion 540 corresponding to the first fitting groove 520 is formed on the other side.

The rubber packing 500 constructed as described above is wrapped around the outer surface of the water pipe 1 and then the first and second fitting protrusions 510 and 520 at one end of the rubber packing, The second fitting groove 530 and the second fitting protrusion 540 are fixed to the outer surface of the water pipe 1 by being coupled to each other.

Therefore, the first fitting protrusion and the second fitting groove at one end of the rubber packing and the second fitting groove and the second fitting protrusion at the other end of the rubber packing are staggered to each other so that the coupling part of the rubber packing is firmly engaged In addition, there is an advantage that leakage of the S-shaped packing is prevented to the rubber packing connection portion due to the coupling of the connecting portion with the "S" -shaped shape and the tightening of the pressure ring coupled with the side surface.

While the present invention has been particularly shown and described with reference to specific embodiments thereof, it will be understood by those of ordinary skill in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims. Anyone who can afford it will know.

100: valve body 200: valve cover
300: valve disc 400: support fixing member
500: Rubber packing 600: Injection valve

Claims (5)

The upper body and the lower body are separated from each other and are connected to each other so as to be in close contact with the outer surface of the water pipe with the water pipe interposed therebetween. An opening portion is formed on the upper body, a coupling flange is formed on the opening portion, A valve body having a tube connecting portion to which a water pipe is coupled at a front end portion and a rear end portion by coupling of the lower body; A valve cover mounted on the valve body and coupled to the coupling flange to close the opening; A valve disk configured to selectively pass or block the flow of the water pipe while moving up and down through a perforation hole formed in the water pipe correspondingly to the opening; And the outer surface of the water supply pipe connected to the inside of the pipe connection portion is pressed evenly to the outer surface of the pipe connection portion so as to support and fix the water supply pipe inside the pipe connection portion, And a support fixing member configured to prevent the water pipe from being separated from the connection pipe at the connection portion,
The supporting and fixing member includes a male thread fastened to the fastening hole, a head portion provided at an upper end of the male and female threads, a pushing portion extending and formed at a lower end of the female thread, and a fitting hole having a lower end portion The pressing body is formed in a wedge shape on the lower surface of the pressing body. When the male thread is fastened to the fastening hole, the pressing body pushes the pressing part to the outer surface of the water pipe And an end portion of the tubular projecting portion of the tubular projecting portion.
delete delete The method according to claim 1,
Wherein a rubber packing is disposed on the outer surface of the water pipe so as to be spaced apart from the outer surface of the water pipe by a predetermined distance so that a filling space is formed between the rubber packing and between the pipe connecting portion and the water pipe,
And an injection valve configured to selectively open and close the filling space is provided on an outer surface of the tube connecting portion,
Wherein the filling space is filled with epoxy or quick-setting concrete through the filling valve to close the connecting portion between the pipe connecting portion and the water supply pipe.
5. The method of claim 4,
The rubber packing has a first fitting protrusion formed on one side thereof and a first fitting groove formed on the other side thereof. The other end of the rubber packing is provided with one end A second fitting protrusion corresponding to the first fitting protrusion is formed and a second fitting protrusion corresponding to the first fitting protrusion is formed on the other side,
The rubber packing is wrapped around the outer surface of the water pipe and then the first fitting protrusion and the second fitting groove at one end of the rubber packing and the second fitting groove and the second fitting protrusion at the other end of the rubber packing are coupled to each other, Wherein the valve body is fixed to the outer surface of the valve body.

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