KR200379822Y1 - Connecting structure for corrugated pipe using packimg - Google Patents

Abstract

The present invention relates to a connection structure for longitudinally extending a colgate tube using a packing.

The colgate tube connection structure using the present invention packing is configured in a circular ring shape so that the connection target end side of the colgate tube 10 is inserted through both side openings, and is closely adhered between the colgate tube 10 protrusions 11. The center packing (13) is formed to protrude along the central portion of the inner circumferential surface so that the connection protrusions 13a are horizontally extended with the wing portions 14 into which the connection end sides of the corrugated pipes 10 are inserted into both sides of the outer circumferential portions of the connection protrusions 13a. 14) and the body 15a and 16a each having four uneven portions 15a "and 16a" provided on the inner circumferential surface so as to be tightly coupled on the outer circumferential surface of the connection portion of the corrugated pipe 10 and the body 15a. (16a) The outer periphery of the center packing 13 in which the connection ends of the corrugated pipe 10 are integrally coupled by fixing means B such as bolts through nuts 15a 'and 15b' inserted into and mounted to both sides. The technical feature is that it consists of a flange (15, 16) is pressed on the surface.

The colgate tube connecting structure using the inventive design has improved watertightness of the corrugated tube connecting portion by combining the side wall of the connection protrusion and the packing provided with a plurality of protrusions on the inner circumferential surface of the wing, and also facilitates packing and multiple flanges. There is an advantage that the construction time of the work site can be shortened by the mounting.

Description

Connecting structure for corrugated pipe using packimg}

The present invention relates to a corrugated pipe connection structure using a packing having a plurality of protrusions coupled to an inner circumferential surface at a connection end of the corrugated pipe and having a plurality of flanges coupled to the outer circumferential surface thereof, The center packing is formed with a plurality of projections projecting on the inner circumferential surface of both side wing portion and the extension side wall on each connection end side, and the upper and lower flanges are tightly coupled on the outer circumferential surface of the packing coupling portion to connect the synthetic resin corrugated pipe. , To improve the watertightness by the projection of the central packing and to facilitate the installation of the packing relates to a corrugated pipe connection structure using the packing to reduce the working time.

In general, since the corrugated pipe made of synthetic resin is formed with equally spaced grooves on the outer circumferential surface, it is difficult to connect the end of the pipe at the time of connecting the corrugated pipe, so it is necessary to use a specially manufactured separate connector or to melt the connecting end. By the connection of the colgate tube is made.

However, it has been pointed out that the conventional connector for connecting a corrugated pipe has a complicated structure and many components, resulting in a decrease in work efficiency and an increase in construction cost as the work process is complicated.

In addition, in the case of fusion bonding of the corrugated pipe connecting end, there is a disadvantage in that the connecting part is hardened by deterioration of the joining part and is easily broken during underground embedding use.

In order to solve such a problem, various types of corrugated pipe joints have been developed and distributed in the market, and the conventional corrugated pipe joints according to Utility Model Registration No. 302818 (registered on Jan. 17, 2003), the representative structure of which is disclosed. The structure of is as follows.

First, Figure 1 is an assembled perspective view of a conventional colgate tube connector, as shown in the conventional colgate tube connector is formed in a ring shape that can be coupled to the outer periphery of the colgate tube (1) and the colgate tube inward The groove (2) of the groove (1) is formed in the groove engaging portion (4) protrudingly coupled to the outside, and the watertight contact portion protruding in a curved surface on the outside in close contact with the connecting pipe (5) to maintain the watertight state ( 6) is formed in the rear, the inner surface is supported by the projection (3) of the corrugated pipe (1) to form a separation prevention portion 7 for generating a separation resistance against the separation force.

At this time, the separation prevention portion 7 is folded to the inner side with respect to the coupling force on the outer periphery is made soft coupling and lifted against the separation force to generate a separation resistance to prevent the separation of the Colgate tube (1) It is a structure in which a plurality of separation preventing ribs 8 protruding obliquely to the rear are formed.

However, since the colgate tube connector of such a structure should be mounted on the outer circumferential surface of the cylindrical tube due to the characteristics of the corrugated tube, even if the separation preventing part 7 is inserted into the end side of both colgate tubes 1, The connection pipe 5 mounted on the outer circumferential surface is integrally formed so that it is difficult to directly insert and mount in the field through the outer circumferential surface of the colgate tube 1 extending in the horizontal direction.

In addition, although the sliding of the connection pipe 5 is prevented by the plurality of separation prevention ribs 8 formed on the outer circumferential surface of the separation prevention part 7, both ends of the separation prevention part 7 are end portions of the colgate tube 1. Since it is easy to be separated from the side there is a disadvantage that perfect watertightness cannot be guaranteed.

On the other hand, Figure 2 is a perspective view of another conventional corrugated pipe connector, as shown, the conventional corrugated pipe connector is manufactured according to the diameter of the corrugated pipe 200, the upper and lower grooves 212 is provided on the inner peripheral surface The joint 210 composed of the flange 211 is coupled to the connection end of the corrugated pipe 200 by fixing means 213 such as bolts and nuts.

However, the conventional colgate tube connector having such a structure is provided at each end of each flange 211 after closely contacting the upper and lower flanges 211 directly to the connection ends of the colgate tubes 200 on both sides to be connected. Mounting and fixing on the outer peripheral surface of the connecting end of the Colgate tube 200 by the combination using the bolt and nut through the fixing means connector 213, it can be easily mounted in the field when connecting the Colgate tube Due to the nature of the corrugated pipe in which fluid is buried and transported at a relatively high pressure, there is a problem in that watertightness is deteriorated significantly.

Therefore, the present invention has been devised to solve the above-mentioned disadvantages and problems raised in the conventional colgate tube connector, the ring-shaped connection packing is mounted on each connection end side of both side of the corrugated tube to be connected and the connection The center packing is mounted to contact the wing and both sides of the packing, and the packing coupling part is formed. The upper and lower flanges are tightly coupled on the outer circumference of the packing coupling part so that the synthetic resin colgate tube is connected. The purpose of the present invention is to provide a corrugated pipe connecting structure using a packing to improve the quality and to reduce the work time of the corrugated pipe connection in the field construction by easy mounting of the packing and the upper and lower flanges.

The above object of the present invention, a pair of connection object to be connected to the corrugated tube, the wing portion is in close contact with the outer peripheral surface of the connection end side of the corrugated tube extending on both sides and provided with a plurality of protrusions along the inner peripheral surface of the wing portion and the side wall Center packing and the corrugated pipe connection structure using a packing consisting of a plurality of flanges divided into four equal parts that are tightly coupled by separate fixing means to the center packing outer periphery of each end side facing each other of the colgate pipe. Is achieved by providing.

On the corresponding connection end side protrusion of the corrugated tube, the central packing is coupled to the upper surface of the two wing parts, and a connection protrusion formed at the center of the inner circumferential surface of the central packing is tightly coupled between the connecting ends of the colgate tube.

On the outer circumferential surface of the central packing coupled to the connection connection portion of the colgate tube, each flange symmetrically formed into four equal parts of the upper and lower sides is tightly coupled by fixing means such as bolts and nuts, so that the horizontal extension connection of the colgate tube is made.

Matters concerning the operational effects including the technical configuration for the above purpose of the corrugated tube connection structure using the present invention packing will be clearly understood by the following detailed description with reference to the drawings showing preferred embodiments of the present invention.

Figure 3 is a perspective view of the corrugated pipe connecting structure using the present invention packing, Figure 4 is an assembled perspective view of the corrugated pipe connecting structure according to the present invention, Figure 5 is a longitudinal cross-sectional view of the corrugated pipe connecting structure according to the present invention 6 is a packing assembly cross-sectional view of the corrugated pipe connection structure according to the present invention.

As shown, the corrugated tube connection structure using the present invention packing is a corrugated tube 10 having a plurality of protrusions 11 on the outer circumferential surface, and wings on both sides to contact the upper surface of the protrusions 11 ( 14 is provided in the center of the inner peripheral surface of the cylindrical central packing (13) formed with a connection projection (13a) and a separate fixing means on the outer peripheral surface of the corrugated pipe (10) coupled to both openings of the central packing ( It is a structure consisting of four equally divided flanges (15) 16 by B).

In order to improve the compressive strength of the corrugated pipe 10, the inner circumferential surface is smooth and the outer circumferential surface is composed of a dual structure in which a plurality of protrusions are continuously provided, so as to extend the colgate tube 10 in the longitudinal direction. The connection end side of the Colgate tube 10 has a technical feature to make the pipe connection through the protrusion of the outer peripheral surface by using a separate pipe connector.

In the corresponding end of the connection target corrugated pipe 10, a central packing 13 having horizontal portions extending horizontally to both sides of the wing 14 contacting the upper surface of the connection end side protrusion 11 is inserted and mounted.

When the central packing 14 is correspondingly coupled through both openings, a connection protrusion 13a inserted between the protrusions 11 of the corrugated pipe 10 is formed to protrude circumferentially in the center of the inner circumferential surface and wings on both sides thereof. On the inner circumferential surface of the portion 14, a plurality of protrusions 14a are formed to be pressed against the upper surface of the protrusions 11 of the colgate tube 10.

The protrusions 14a formed on both wing portions 14 of the central packing 13 have a colgate tube formed by crimping of the protrusions 14a when the upper end of the protruding portion 11 of the connection end side of the colgate tube 10 is in close contact. It is comprised so that the watertightness of a joint part may improve.

On the other hand, the upper and lower flanges 15 divided into four equal parts on the outer circumferential surface of the central packing 13 mounted on the joint portion, that is, the colgate tube 10 connection end, is divided into four equal parts. 16 is coupled, the upper and lower flanges 15, 16 is coupled to the fixing means (B) such as bolts through both ends of the body (15a) (16a) semi-circular flange (15) 16 and nuts 15a 'and 16a' provided with bolt holes at both upper portions of the bodies 15a and 16a so that the semicircular flanges can be press-fitted on the upper and lower outer circumferential surfaces of the cylindrical corrugated pipe 10. ) Is inserted and mounted.

In addition, the inner circumferential surface of each of the flanges 15 and 16 is formed of an uneven surface 15a "and 16a" corresponding to the outer circumferential surface protrusion 11 of the corrugated pipe 10, and the uneven surface 15a. "16a" is pressed against the top of the central packing 13 that is already coupled while being tightly coupled to the protrusion (11).

Looking at the connection process of the connection structure of the corrugated tube of the present invention made of such a structure as follows.

First, the connection end side of the corrugated pipe 10 to be connected in the longitudinal direction of the corrugated pipe 10 is inserted through the open side wings 14 of the central packing 13 so that the wing portion ( 14) A plurality of protrusions 14a formed on the inner circumferential surface are integrally coupled to be in close contact with the upper surface of the protrusion 11.

At this time, the wing 14 of the central packing 13 is tightly coupled on the outer circumferential surface of the protrusion 11 of the connection portion of the colgate tube 10, the watertight inside and outside of the corrugated tube 10 is made .

 On the outer circumferential surface of the connection portion of the central packing 13, upper and lower flanges 15 and 16 are separated into four equal parts so that the connection end side of the corrugated pipe 10 is wrapped. The flanges 15 and 16 are connected to each other by a crimping combination using fastening means B such as bolts through nuts 15a 'and 16a' inserted into both sides of the bodies 15a and 16a. Wrap the outer circumferential surface of the connection of the colgate tube 10 is completed.

The upper and lower flanges 15 and 16 have a plurality of concave-convex surfaces 15a "and 16a" provided on the inner side when they are coupled to the packing connection site including the coupling end of the colgate tube 10. By tightly coupling the protrusion 11 of the 10 and the central packing 13 mounted on the outer circumferential surface thereof, a perfect sealing coupling of the connection end of the colgate tube 10 is achieved.

On the other hand, Figure 7 and Figure 8 relates to the colgate tube connection structure of another embodiment according to the present invention, Figure 7 is a cross-sectional view of another embodiment of the present invention colgate tube connection structure, Figure 8 is a colgate tube connection of the present invention Another embodiment of the structure is an assembled cross sectional view.

As shown, the corrugated pipe connecting structure of the present embodiment is a ring-shaped connecting packing 12 is inserted into the connection end side of each of the corrugated pipe 10 provided with a plurality of protrusions 11 on the outer peripheral surface In the state is mounted by a separate fixing means (B) on the outer circumferential surface of the central packing 14 is equipped with a central packing 13 is provided with a wing portion 14, the end side of the two side Colgate tube 10 is inserted The flanges 15 and 16 in equal parts are tightly coupled.

The connecting packing 12 is formed with a tube insertion portion 12a formed to be bent inwards with different lengths on both sides of the outer ring portion of the circular ring-shaped packing 12, and the tube insertion portion 12a is a colgate tube. It is closely coupled while wrapping the connection end side outer peripheral surface protrusion (11) of the (10).

When the connection packing 12 is symmetrically mounted to the corresponding ends of the connection target corrugated pipe 10, the tube insertion portion (end) may be provided at an end side of the corrugated pipe 10 to which the connection packing 12 is coupled. 12a) The center packing 13 is horizontally extended to both sides of the wing 14 in contact with the upper surface is coupled.

At this time, the at least one protrusion 12a 'is formed on the inner circumferential surface of the pipe inserting portion 12a of the connection packing 12 so as to be tightly coupled without slipping on the protrusion 11 of the corrugated pipe 10. .

On the other hand, on the joint connection portion of the corrugated pipe 10 integrally connected by a double coupling of the connecting packing 12 and the central packing 13, the outer peripheral surface is wrapped around the four equal upper and lower flanges 15, 16 ) Is tightly coupled by a separate fixing means (B).

As described above, the corrugated tube connecting structure using the present invention packing is divided into four equal parts to the packing connecting portion after the central packing connecting both colgate tubes to the connection end side of the connection target colgate tube The flange is designed to be tightly coupled by a separate fixing means, and the watertightness of the corrugated pipe connection part is improved by the coupling of the packing having a plurality of protrusions on the side wall of the connection protrusion and the inner circumferential surface of the wing part, Easy installation of the flange has the advantage that the construction time of the work site can be shortened.

1 is an assembled perspective view of a conventional corrugated pipe connector.

Figure 2 is a perspective view of another conventional corrugated pipe connector.

Figure 3 is a perspective view of the corrugated pipe connection structure using the present invention packing.

Figure 4 is an assembled perspective view of the corrugated pipe connection structure according to the present invention.

Figure 5 is a longitudinal sectional view of the corrugated pipe connection structure according to the present invention.

6 is a packing assembly cross-sectional view of the corrugated pipe connection structure according to the present invention.

Figure 7 is a cross-sectional view of another embodiment of the present invention colgate tube connection structure.

Figure 8 is another embodiment assembly cross-sectional view of the present invention colgate tube connection structure.

((Explanation of symbols for main part of drawing))

                10. Colgate tube 12. Packing for connection

                13. Center packing 14. Wing

                15,16. Flange 15a, 16a. Body

Claims (4)

In the connection structure of the corrugated tube, the inner circumferential surface is smooth and a plurality of protrusions are continuously provided on the outer circumferential surface, wherein the end portion of the corrugated tube 10 is inserted into a circular ring shape so as to be inserted through both openings. The connection protrusion 13a is formed to protrude along the central portion of the inner circumferential surface so as to be tightly coupled between the protrusions 11 of the gate tube 10, and the connection end side of each corrugated pipe 10 is inserted into both sides of the outer periphery of the connection protrusion 13a. A four-packed body provided with a central packing 14 having a horizontally extending wing portion 14 and an uneven portion 15a "or 16a" on its inner circumferential surface so as to be tightly coupled on the outer circumferential surface of the connection portion of the colgate tube 10 ( Connection of the colgate tube 10 by coupling fastening means (B) such as bolts through nuts (15a ') (15b') which are composed of 15a) and (16a) and inserted into and mounted to both sides of the bodies (15a) and (16a). Plane that is press-bonded on the outer circumferential surface of the central packing (13) integrally joined 15, the corrugated tube connecting structure using the packing, characterized by consisting of a (16). 2. The structure of claim 1, wherein at least one protrusion (14a) is provided on the wing portions (14) on both sides of the central packing (13) and adjacent sidewalls. According to claim 1, Tube inserts 12a of different lengths are formed bent inward on the connection end side of the corrugated pipe 10 is inserted through the two wing portions 14 of the central packing (13) Colgate tube connection structure using the packing, characterized in that the ring-shaped connection packing 12 is additionally mounted. The method of claim 3, wherein at least one protrusion 12a 'is formed on the inner circumferential surface of the tube inserting portion 12a of the connection packing 12, and the colgate tube connecting structure using the packing.