JPH04108670U - Joint structure between manhole wall block and water pipe - Google Patents

Abstract

(57) [Summary] [Purpose] To provide a joint structure between a manhole cylinder wall block and a water pipe that is resistant to water leakage. [Structure] Two connection holes are drilled at required locations on the side of the cylindrical wall block 1 of the manhole, a receiving pipe 3 with a flange is fitted into the through hole 2 from the inside, and the flange 4 of the receiving pipe 3 and the cylindrical wall block 1 are connected. Putty material 7 is filled between the inner surface of the receiving pipe 3 and the inner surface of the through hole 2, and the end of the water pipe 5 is fitted into the receiving pipe 3 to connect the receiving pipe 3 and the water pipe 5. A heat-shrinkable tube 6 is fitted into the position, and the heat-shrinkable tube 6 is heated and shrunk to bring the tube 6 into close contact with the outer surfaces of the receiving pipe 3 and the water pipe 5.

Description

[Detailed explanation of the idea]

0001

[Industrial application field]

The present invention relates to a joint structure between a cylindrical wall block of a manhole and a water pipe.

0002

[Conventional technology]

In the conventional joint structure between the cylindrical wall block of a manhole and water pipe, the side of the cylindrical wall block Drill a connection hole in the required part of the surface, insert the water pipe into the hole, and connect it to the outer peripheral surface of the water pipe. The joint is made by filling the inner surface of the hole with mortar.

0003 However, with this type of mortar-filled joint, earth pressure and overloading may cause There is a risk of water leakage due to cracks or damage.

0004

[Problem that the idea aims to solve]

Therefore, the purpose of this invention is to develop manhole cylinder wall blocks and water pipes that are strong against water leakage. The purpose of the present invention is to provide a joint structure of the type.

[0005]

[Means to solve the problem]

Hereinafter, using the reference numerals in the attached drawings, the joint structure of the present invention will be explained. A through hole 2 for connection is drilled at a required location on the side of the cylindrical wall block 1 of the cylindrical hole, and a flanged receiver is inserted into the hole. Fit the pipe 3 into the through hole 2 from the inside, and insert the collar 4 of the receiving pipe 3, the inner surface of the cylinder wall block 1, and A putty material 7 is filled between the outer circumferential surface of the receiving pipe 3 and the inner surface of the through hole 2, and the water pipe 5 is inserted into the receiving pipe 3. Fit the ends and fit the heat-shrinkable tube 6 to the connection point between the receiving pipe 3 and the water pipe 5. By heating and shrinking the heat-shrinkable tube 6, the tube 6 is connected to the receiving pipe 3 and the water pipe 5. adhere to the outer surface of the

[0006]

【Example】

In the illustrated embodiment, the heat shrink tube 6 is heated by a torch burner or the like. . In another embodiment, as shown in FIG. Fit the heat shrink tube 6 to the connection point between the receiving pipe 3 and the water pipe 5, and heat shrink it. The tube 6 is heated and shrunk so that the tube 6 is tightly attached to the outer surfaces of the receiving pipe 3 and the water pipe 5. You can also In either embodiment, a heat shrink tube is installed at the connection point between the receiving pipe 3 and the water pipe 5. 6, the collar 4 of the receiver tube 3, the inner surface of the cylinder wall block 1, and the outer periphery of the receiver tube 3. A putty material 7 can also be filled between the surface and the inner surface of the through hole 2.

[0007]

[Effect of the idea]

As described above, in the present invention, the collar 4 of the receiving tube 3, the inner surface of the cylinder wall block 1, and the receiving tube 3 A putty material 7 is filled between the outer peripheral surface of the hole 2 and the inner surface of the through hole 2, and the connection point between the receiving pipe 3 and the water pipe 5 is sealed. A heat-shrinkable tube 6 is fitted into the receiving tube 3 by heat shrinking. Since it is closely connected to the outer surface of the water pipe 5, it is difficult to crack and is strong against water leakage. A good joint structure can be obtained.

[Brief explanation of drawings]

FIG. 1 is a sectional view of a joint structure of a manhole cylindrical wall block and a water pipe according to an embodiment of the present invention.

FIG. 2 is a sectional view of a joint structure of a manhole cylindrical wall block and a water pipe according to another embodiment of the present invention.

[Explanation of symbols]

1 Manhole cylinder wall block 2 Connection hole 3 Receiver 4 Receiving pipe tsuba 5 Water pipe 6 Heat-shrinkable tube 7 Putty material

Claims (1)

[Scope of utility model registration request] Claim 1: Two connecting through holes are drilled at required locations on the side surface of the cylindrical wall block 1 of the manhole, and a receiving pipe 3 with a flange is fitted into the through hole 2 from the inside, and the flange 4 of the receiving pipe 3 and the cylindrical wall are connected to each other. block 1
Putty material 7 is filled between the inner surface of the receiving pipe 3 and the outer peripheral surface of the receiving pipe 3 and the inner surface of the through hole 2, and the end of the water pipe 5 is fitted into the receiving pipe 3.
A manhole made by fitting a heat-shrinkable tube 6 into the connection point between the receiving pipe 3 and the water pipe 5, heating and shrinking the heat-shrinkable tube 6, and bringing the tube 6 into close contact with the outer surfaces of the receiving pipe 3 and the water pipe 5. Joint structure of cylinder wall block and water pipe.