KR20010066120A - a packing for pipe coupling - Google Patents

Abstract

PURPOSE: A packing is provided to perfectly seal a gap between a drain pipe and a coupling by combining with an outside of the drain pipe. CONSTITUTION: A combining groove having an inclined face is formed inside a packing(30). A body of the packing(30) is inserted in a guiding groove(12). A combining groove is combined with a protruding portion(11). The packing(30) is combined by surrounding the outside of a spiral pipe(10). Thereby, the combination of the pipes are finished conveniently and a gap between a coupling(20) and the pipe(10) is sealed completely. Moreover, a leakage of wastewater is prevented.

Description

Helical pipe sealing packing

The present invention relates to a packing configured to seal between both tubes and the coupling when connecting the tubes with spiral projections on the outer side thereof.

In general, various types of sewage pipes that discharge sewage or rainwater have been developed, but they are usually installed in the basement and use sewage pipes made of materials that are easy to install and have excellent durability and do not corrode well in wastewater, sewage, and seawater.

Among the aforementioned sewage pipes, sewage pipes have been proposed in which spiral protrusions are formed on the outside of the pipe by spirally extruding high-density polyethylene in order to increase durability and ease of manufacture.

However, the sewage pipe described above could not effectively seal the coupling between the coupling and the sewer pipe coupled to the outer surface of the sewage pipe because the packing of the “O” ring could not be inserted by the spiral protrusion formed on the outer surface thereof.

Therefore, both sewage pipes and couplings are screwed together using a coupling having a spiral protrusion therein. However, since the coupling and sewage pipes must be rotated during construction, the construction work is very inconvenient and difficult to be completely sealed. As sewage flows underground, the environment is polluted.

The present invention has been made in view of the above-described problems, and an object thereof is to provide a spiral pipe sealing packing which is coupled to the outside of a sewer pipe having a spiral protrusion to completely seal between the sewer pipe and the coupling.

A feature of the present invention for achieving the above object is, the spiral projection (11) and the guide groove 12 is formed in a continuous structure of the spiral tube 10 is coupled to each other by the cylindrical coupling (20) In one embodiment, an inner side of the packing 30 having an “O” ring shape has a coupling groove 31 having an inclined surface 31 a on both sides thereof, and the body of the packing 30 is inserted into the guide groove 12. Coupling groove 31 is to be achieved by the helical tube sealing packing characterized in that coupled to the protrusion 11, the packing 30 is coupled around the outer surface of the helical tube 10 round.

1 is an exploded perspective view illustrating an embodiment of the present invention;

Figure 2 is a cross-sectional view illustrating an embodiment of the present invention,

3 is a perspective view illustrating a packing according to the present invention;

Explanation of symbols on the main parts of the drawings

10: tube

11: protrusion

12: Information Home

20: coupling

30: Packing

31: coupling groove

31a: slope

Hereinafter, described in detail by the accompanying drawings a preferred embodiment for achieving the above object is as follows.

As shown in Figures 1 to 3, the pipe 10 is mainly used as a sewage pipe, spirally extruded high-density polyethylene spirally on the outside of the pipe 10 and the guide groove 12 This structure is formed continuously.

The pipes 10 are to be coupled to each other by a coupling 20 made of a cylindrical, such a configuration is known in the art known.

However, the most important feature in the configuration of the present invention is the structure of the packing 30 which is coupled to the outer surface of the tubes 10.

That is, the packing 30 is formed in the form of "O" ring, the inner side of the "??" type coupling groove 31 is formed cut, both sides of the coupling groove 31 inclined surface 31a ) Is formed.

Packing 30 made of the above-described configuration is to be coupled around the outer surface of the spiral tube 10 by the coupling groove 31.

That is, when the coupling groove 31 is inserted into the spiral protrusion 11 while the body of the packing 30 is inserted into the guide groove 12 formed on the outer surface of the spiral tube 10, the packing 30 is connected to the tube 10. It is possible to install the outer surface of the circle around.

At this time, the inclined surfaces formed on both sides of the coupling groove 31 is firmly coupled to both sides of the protrusion 11, the outer surface of the packing 30 slightly protrudes than the protrusion 11 of the coupling 20 As it is in close contact with the inner surface between the coupling 20 and both tubes 10 is to be completely sealed by the packing (30).

Therefore, there is an advantage that the connection work of the pipe 10 is simply completed by simply inserting both pipes 10 by using the coupling 20 in the form of a connector in which a spiral protrusion is not formed therein, Since the seal is completely sealed by the packing 30, it is possible to effectively prevent the wastewater such as wastewater and sewage outflowing to the ground, thereby solving problems such as soil contamination.

According to the present invention as described above, the coupling groove 31 is inserted into the spiral protrusion 11 while inserting the body of the packing 30 into the guide groove 12 formed on the outer surface of the spiral tube 10. Since the packing 30 is installed around the outer surface of the tube 10, the coupling 20 and the both sides of the tube 10 are completely sealed, thereby effectively closing the wastewater such as wastewater and sewage into the basement. By preventing the problem such as soil contamination can be solved at the same time there is an advantage that the connection work of the pipe 10 is very easy to complete.

Claims (1)

In the structure in which the spiral pipes 10 formed with the spiral protrusions 11 and the guide grooves 12 formed on the outer side thereof are coupled to each other by the cylindrical coupling 20, the packing 30 having an “O” ring shape is formed. The inner side of the coupling groove 31 having an inclined surface (31a) is formed on both sides of the body of the packing 30 is inserted into the guide groove 12, the coupling groove 31 is coupled to the protrusion (11) Spiral tube sealing packing, characterized in that the packing (30) is coupled around the outer surface of the helical tube (10).