KR200441980Y1 - Synthetic Resin Pipe End Connection - Google Patents

Abstract

The present invention relates to a connector of a synthetic resin pipe, the connection work in the construction site is quick and simple, excellent bonding strength and water tightness, so that it can be installed without additional work such as processing grooves on the surface of the synthetic resin pipe In bar, one end is formed with a resin pipe coupling portion 12 is a synthetic resin pipe (1) is coupled to the other end inside and outside the connector portion 14 and the flange portion 16 for bolting coupling is formed, respectively A female connector 10 having a round jaw 18 formed between the resin pipe coupling portion 12 and the connector insertion portion 14; A resin pipe coupling part 22 is formed at one end to which another synthetic resin pipe 1 'is coupled, and a coupling pipe 24 fitted to the connector inserting portion 14 of the female connector 10 is provided at the inner and outer ends of the other end, respectively. A male connector 20 formed with a flange portion 26 corresponding to the flange portion 16 and coupled to the female connector 10; It is made, including, the female, male connector (10, 20) and the synthetic resin pipe (1,1 ') between the rubber packing 30 and the electrofusion sheet 40 is installed together by watertight maintenance and ground subsidence It is integrally coupled to prevent separation of the synthetic resin tube, and the rubber packing 50 is interposed between the connector inserting portion 14 and the coupling tube 24 to maintain watertightness.

Synthetic Resin Pipe, End Connection, Flange, Packing, Pressure Fitting, Crimping Material, Split Type

Description

Plastic joints {A joint for plastic pipe}

1 is an exploded perspective view of a synthetic resin pipe connector according to the present invention,

2 is a combined perspective view of the synthetic resin pipe connector according to the present invention,

3 is an exploded cross-sectional view of the synthetic resin pipe connector according to the present invention,

Figure 4 is a combined cross-sectional view of the synthetic resin pipe connector according to the present invention,

5 is an exploded perspective view of the electrofusion sheet used in the present invention,

Figure 6 is a perspective view of the crimped state of the electrofusion sheet shown in Figure 5,

7 is a cross-sectional view taken along the line AA of FIG.

* Explanation of symbols for main parts of the drawings

1,1 ': synthetic resin pipe 10: female connector

12: resin pipe coupling portion 14: connector insertion portion

15: groove for positioning setting 16: flange

17: bolt hole 18: round jaw

19: reinforcing rib 20: male connector

22: resin pipe coupling portion 24: coupling pipe

25: position setting projection 26: flange

27: bolt hole 28: round jaw

29: reinforcement rib 30: rubber packing

40: electrofusion sheet 42: lath

44: terminal 46: resin cover

47: folded portion 48: junction

50: rubber packing 60: bolt

70: nut

The present invention relates to a synthetic resin pipe connector, and in detail, the connector used when connecting the sewer pipe buried in the ground made of a small number of parts, the connection work in the construction site is quick and easy, and the bonding force is excellent in the connection part after construction It is possible to connect the synthetic resin pipes without the risk of leakage and without any additional work such as processing grooves on the surface of the synthetic resin pipes.

Various technologies for interconnecting synthetic resin pipes have been developed by the flange method, and the related arts related to the present invention include a pipe connector of Utility Model Registration No. 416904, a connector for synthetic resin pipe of Patent No. 552038, and Patent Publication No. 2001-0017575. Jointing device of synthetic resin pipe, pipe connection of Utility Model Publication No. 1999-0033054, connection structure of sewage pipe using flange of Utility Model Registration No. 198811, connection device of large diameter synthetic resin pipe of Utility Model Registration No. 241422, Utility Model Registration of No. 337801 A connecting structure of a synthetic resin pipe, a pipe connecting device of Patent No. 552028, and the like are disclosed.

On the other hand, in the flange-type synthetic resin pipe connection structure according to the prior art mentioned above, the synthetic resin pipe is separated by external force (sedimentation of the ground or expansion or contraction of the synthetic resin pipe) after the connection, or the structural cost is complicated and the number of parts is high. There are problems such as troublesome construction and a lot of construction time, and it is pointed out that additional work such as processing a groove on the surface of the synthetic resin pipe to be connected must be preceded.

The present invention has been devised to solve the above-mentioned conventional problems, the object of the present invention is made of a small number of parts, the connection work in the construction site is quick and easy, and the bonding force is excellent, the leakage occurs at the connection site after construction There is less concern, and to provide a flange-type synthetic resin pipe connector having an improved structure that can be connected to the synthetic resin pipe without additional work, such as processing a groove on the surface of the synthetic resin pipe.

In order to achieve the above object, the present invention has a resin pipe coupling portion to which a synthetic resin pipe is coupled at one end, and a flange portion for coupling a connector and a bolt coupling is formed at the inner and outer ends of the other end, respectively, and the resin pipe coupling portion and the connector insertion are formed. A female connector having a round jaw formed therebetween; A resin pipe coupling part is formed at one end to which another synthetic resin pipe is coupled, and a coupling pipe fitted to the connector insertion part of the female connector and a flange portion corresponding to the flange part are formed at the inner and outer ends of the other end, respectively, to couple with the female connector. Male connectors; It is made, including, the female, male connector and the synthetic resin pipe is installed together with the rubber packing and the electrofusion sheet is integrally coupled to prevent the separation of the synthetic resin pipe due to watertight maintenance and ground subsidence, and the connector insertion portion and Rubber packing is also interposed between the coupling pipe to provide a synthetic resin pipe connector to maintain the watertight.

Preferably, the connector inserting portion of the female connector and the coupling tube of the male connector are formed with a positioning projection and a groove for matching the bolt holes of the flanges when the female and male connectors are coupled to each other, and the protrusion has a sharp tip. It is made in a triangular shape, the groove is formed in a wide triangular inlet portion to deepen the coupling depth of the male and female connectors so that the bolt holes coincide with each other.

In the present invention, the electro-fusion sheet is a half width of the resin cover on the sheet, but the fusion lath is inserted into the crimp, and the terminal is attached to both ends of the fusion lath, the synthetic resin tube is inserted into the male, male connector Insert the folded part in the branch joint to the inside to supply electricity to the terminals exposed to the outside so that the synthetic resin tube and the female, male connector is fusion-bonded to each other.

Hereinafter, with reference to the accompanying drawings, preferred embodiments that do not limit the present invention will be described in detail.

1 to 4 illustrate a synthetic resin pipe connector according to an embodiment of the present invention, the connector of the present embodiment is formed with a resin pipe coupling portion 12 to which the synthetic resin pipe 1 is coupled at one end thereof and the other end inner side thereof. On the outside, a connector inserting portion 14 and a flange portion 16 for bolting are formed, respectively, and a female connector 10 having a round jaw 18 formed between the resin pipe coupling portion 12 and the connector inserting portion 14. )Wow; A resin pipe coupling part 22 is formed at one end to which another synthetic resin pipe 1 'is coupled, and a coupling pipe 24 fitted to the connector inserting portion 14 of the female connector 10 is provided at the inner and outer ends of the other end, respectively. ) And a flange portion 26 corresponding to the flange portion 16 is formed, the male connector 20 is coupled to the female connector 10; and the female, male connector (10, 20) And the synthetic resin pipe (1, 1 ') is integrally coupled to prevent the separation of the synthetic resin pipe by the rubber packing 30 and the electrofusion sheet 40 is installed together with the watertight maintenance and ground subsidence, the connector insertion portion A rubber packing 50 is interposed between the 14 and the coupling pipe 24 to hold the watertight seal.

The female connector 10 is in the form of a sleeve tube with a flange portion 16 is formed on one side in appearance, the male connector 20 corresponding to this is the shape of a sleeve tube formed with a flange portion 26 in the middle portion. It is made of but consisting of a shorter length than the female connector (10).

The female connector 10 and the male connector 20 are respectively attached to one end of the synthetic resin pipe (1, 1 ') is transported to the construction site, which is attached to the female, male connector on each side of one synthetic resin tube This is to be connected in a line to the required length in the field, in the construction site is to combine the synthetic resin pipe (1, 1 ') using the bolt 60 and the nut (70).

In the present invention, the female and male connectors 10 and 20 have a packing 50 interposed therebetween when the flange 60 is bolted by the bolt 60 and the nut 70 so that the packing 50 can be pressed to maintain mutual watertightness. To be combined.

The packing 30 is made of rubber or soft synthetic resin or silicon, and its cross section is formed in an L shape so that the female and male connectors 10 and 20 are fitted in advance at ends of the synthetic resin pipes 1 and 1 ', respectively. It is inserted into the innermost of the resin pipe joints (12, 22) of the inner close contact with the annulus (18, 28) formed therein to maintain the watertight, the outer side of the resin pipe joints (12, 22) electrofusion sheet (40) ) Is inserted into and applied with electricity, so that the outer surface of the composite sheet (1, 1 ') and the female and male connector (10, 20) of the electrofusion sheet (40) itself and the inner and outer sheets of the electrofusion sheet ( 12,22) The inner wall is melted to form a fusion bond so as to be integral with each other, so that even if there is ground subsidence, the phenomenon that the synthetic resin pipe (1,1 ') is easily separated from the connector does not occur.

In the drawings, reference numerals 17 and 27 denote bolt holes formed in the flange portions 16 and 26, and the number of the bolt holes may be formed in six or eight or more depending on the size of the connector. 16, it is preferable to form a nut seat.

Reference numerals 19 and 29 denote reinforcing ribs for preventing deformation of the flange portion 16.

In the present invention, the connector insertion part 14 of the female connector 10 and the coupling tube 24 of the male connector 20 have bolt holes 17 formed in the flanges 16 and 26 when the female and male connectors are coupled. Positioning projections 25 and grooves 15 for forming a coincidence with each other is formed, the projections 25 are made of a pointed triangular shape of the tip portion, the grooves 15 are formed in a wide triangular shape of the inlet portion By making the depth of engagement of the male and female connectors 10 and 20 deep, the bolt holes 17 and 27 on both sides coincide with each other.

Meanwhile, in the present invention, the electrofusion sheet 40 is heated by inserting a fusion metal lath 42 into the resin cover 46 on the sheet in half width as shown in FIGS. 5 to 7. A crimping roller is used to squeeze along the joining portion 48, and the terminals 44 are attached to both ends of the lath 42, and the male and female connectors 10 and 20, into which the synthetic resin pipes 1 and 1 'are fitted. Inserting the folded portion 47 into the resin pipe coupling portion 12, 22 of the inner side to supply electricity to the terminal 44 exposed to the outside, the synthetic resin pipe (1, 1 ') and the female, male connector (10, 20) can be fused to each other.

Using the connector of the present invention configured as described above will be described for the process of interconnecting the synthetic resin pipe (1,1 ').

First, the female and male connectors 10 and 20 are packed in the connector inserting portion 14 of the female connector 10 in a state in which the synthetic resin tube 1 and the other synthetic resin tube 1 'pre-coupled to both ends are proximate to each other. Insert 50.

Next, the coupling pipe 24 of the male connector 20 is inserted into the connector insertion part 14 of the female connector 10, but the positioning connector 25 formed on the outer side of the coupling tube 24 is the female connector. (10) bolt holes (17, 27) formed in the flange portion (16, 26) of the male and male connector (10, 20) is inserted into the groove 15 formed inside the connector (14) Since they coincide with each other coaxially, it is easy to prepare for bolting.

Finally, when the bolt 60 and the nut 70 are fastened through the bolt holes 17 and 27 formed in the flange portions 16 and 26 of the male and female connectors 10 and 20, the inner packing 50 is formed. While being pressed, the synthetic resin pipes (1, 1 ') on both sides are connected in a straight line to maintain the watertight state.

As described above, the present invention has a connector for pipe connection work of a synthetic resin pipe used as an underground water pipe, which consists only of a female, a male connector, a packing, and an electric fusion sheet. Since it is shipped to the construction site with each attached state, the connection work at the construction site can be done quickly and simply by simply inserting the bolts after inserting the packing, and there is no need for separate welding equipment or power supply means, and the synthetic resin pipe It has excellent bonding force with the connector, so there is little risk of water leakage at the connecting part after construction, and it has a useful effect such as connecting the synthetic resin pipe without additional work such as processing grooves on the surface of the synthetic resin pipe.

Claims (3)

delete A resin pipe coupling part 12 is formed at one end to which the synthetic resin pipe 1 is coupled, and a connector 16 and a flange part 16 for bolt coupling are formed at the inner and outer ends of the other end, respectively. A female connector 10 having a round jaw 18 formed between the portion 12 and the connector inserting portion 14; A resin pipe coupling part 22 is formed at one end to which another synthetic resin pipe 1 'is coupled, and a coupling pipe 24 fitted to the connector inserting portion 14 of the female connector 10 is provided at the inner and outer ends of the other end, respectively. ) And a flange portion 26 corresponding to the flange portion 16 is formed, the male connector 20 is coupled to the female connector 10; and the female, male connector (10, 20) And the synthetic resin pipe (1, 1 ') between the rubber packing 30 and the electrofusion sheet 40 is installed together to be integrally coupled, between the connector insert portion 14 and the coupling pipe 24 to maintain watertight In the synthetic resin pipe connector fitted with rubber packing (50), The connector inserting portion 14 and the coupling pipe 24 is a synthetic resin pipe connector, characterized in that the position setting projection 25 and the groove 15 is formed. The method according to claim 2, The electro-fusion sheet 40 is a half width of the resin cover 46 on the sheet, the fusion metal lath 42 is inserted therein and crimped, and the terminal 44 for supplying electricity to both ends of the lath 42 Synthetic resin pipe connector characterized in that attached.

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