KR200214753Y1 - electronic socket for spiral hollow pipe - Google Patents

Abstract

The present invention relates to an electronic socket of a helical hollow tube, in the pipe fitting of the helical hollow tube, formed in a tube body, the outer end of the helical hollow tube is fitted into the inner both ends and the spiral in the center direction from the inside Socket body having a fusion flange protruding the thickness of the hollow tube, a fusion heating wire and a socket body that is inserted into the inner end surface of the socket body that is + and terminal and has a terminal and the outer periphery of the spiral hollow tube and the front end surface and the heat generated when energized It is located on the outer circumference and has a fastening band with a fastening ring for fastening and fixing the socket body to the outer periphery of the spiral hollow tube when the fusion heating wire is energized. The outer circumferential surface and the tip end face are also fused, so that the fusion area is greatly widened.

Description

Electronic socket for spiral hollow pipe

The present invention relates to an electronic socket of a helical hollow tube, and more particularly, it is possible to join a pipe if the outer diameters of the helical hollow tubes are not different from each other by a large difference from each other. Therefore, the present invention relates to an electronic socket of a helical hollow tube, in which a welded area is greatly widened, thereby being steadily piped.

In general, in the case of laying underground pipes for sewerage and electric wires, pipes made of synthetic resins (PE), which are light in weight, convenient in operation, and have high durability compared to cement pipes, are mainly used.

The known pipe manufacturing technique using synthetic resin is to manufacture the pipe through a process such as extrusion, molding, cooling, drawing, cutting, etc., and the cross-sectional shape of the pipe made by this method is composed of a solid layer. It is generally used for manufacture of these.

In the manufacture of spiral hollow pipes made of synthetic resin (PE), the key is how to reduce the amount of material used while maintaining the stiffness to withstand earth pressure and lubrication pressure when buried in the ground. BACKGROUND OF THE INVENTION It is known to form a small hollow tube by first extruding it and winding it around a drum to form a spiral hollow tube having a smooth inside and outside shape. The shape of the hole of the small pipe is determined by the extrusion die, and various hollow holes can be manufactured.

However, the spiral hollow tube formed by spirally winding in the form of various hollow holes is cut out to form a pipe, and when the pipe is cut, the end surface is not a smooth plane, but the shape of the hollow hole is unevenly exposed. This flat helical hollow tube could not be used with ordinary pipe fittings, so specially designed expensive pipe fittings had to be used.

Figure 2 is a enlarged cross-sectional view showing the main portion of the conventional pipe joint, a hot wire 120 having a + terminal 122 and a-terminal 124 on both sides of the inner tube is inserted and slightly protrudes inward to the center side of the pipe joint The center protrusion 110 which marks the center side of 100 is formed.

When the heating wire 120 is energized through the + terminal 122 and the-terminal 124, the spiral hollow tubes 130 and 130 ′ coupled to the inside of the pipe fitting 100 are heated wires 120 of the pipe fitting 100. Due to the heat generated by the helical hollow tubes 130 and 130 ′ around the heating wire 120 and the inner surface of the pipe fitting 100 are melted and fused together.

However, the conventional pipe joint 100 is limited to the fusion area due to the fusion due to the energization of the heating wire 120, when the fusion is insufficient in any one of the leak occurs easily and the spiral hollow tube that is the target of the joint ( There was a problem in that a separate pipe fitting 100 having an inner circumference corresponding to the outer circumferential dimension of the 130) 130 ′ was provided.

The present invention is to solve the problems as described above, the present invention is the pipe joint is possible when the outer diameter of each pipe joint when the pipe joint of the spiral hollow tube is different from each other and the outer peripheral surface and the front end surface of the spiral hollow tube is also fused Therefore, the purpose of the present invention is to provide an electronic socket of a helical hollow tube, in which a welded area is greatly widened, thereby being steadily piped.

In order to achieve this object, the present invention is to provide a pipe joint for the spiral hollow tube;

A socket body formed of a pipe body and having a fusion flange protruding by a thickness of the helical hollow tube from the inner side to the inner circumferential end of the helical hollow tube fitted with the outer peripheral edges of the spiral hollow tube respectively;

A fusion heating wire having a + terminal and a-terminal inserted into an inner end surface of the socket body which is in contact with the outer circumference and the front end surface of the spiral hollow tube, and generates heat when energized;

Located on the outer circumferential surface of the socket body is characterized by having a tightening band having a fastening ring for fusion fixing to the socket body in close contact with the outer circumference of the spiral hollow tube when the fusion heating wire is energized.

1 is an enlarged cross-sectional view showing the main part of the present invention,

Figure 2 is an enlarged cross-sectional view showing the conventional state.

* Description of the symbols for the main parts of the drawings *

10: electronic socket 11: socket main body

12: fusion flange 13, 13 ': pipe connection

14: fusion heating wire 15: + terminal

15 ': -terminal 16: tightening band

18: tightening ring 20, 20 ': spiral hollow tube

Hereinafter, the present invention in more detail by the accompanying drawings as follows.

1 is an enlarged cross-sectional view showing the main portion of the present invention, the electronic socket 10 is energized to the + terminal 15 and the-terminal 15 'of the fusion heating wire 14 by the heat of the fusion heating wire 14 The socket body 11, the fusion flange 12, the pipe connection part 13 (13 '), the + terminal 15 and the-terminal 15' by melting the proximal part by pipe fitting the other body into one body. It consists of a fusion heating wire 14 having, and a tightening band 16 having a fastening ring 18.

The fusion heating wire 14 is inserted into the inner end surface of the pipe joint portion 130 (13 ') and the fusion flange 12 inside the socket body 11, and the + terminal 15 and the-terminal 15' protrude outwards. do.

The pipe joints 13 and 13 'at both ends of the socket body 11 are thin in thickness and can contract inward by the force of the tightening band 16 when the fusion heat wire 14 is energized. Of course, even if the outer periphery of the 20 'is small, the pipe joint is possible. That is, fusion is possible up to an error of 10 mm in the tube outer diameter.

Fastening band 16 having a fastening ring 18 on one side is formed on the center of the outer circumferential surface of the pipe joints 13 and 13 'to which the helical hollow tubes 20 and 20' are coupled, so that the fusion heat wire 14 is energized. When the pipe joints 13, 13 'and the spiral hollow tube 20, 20' is in close contact with each other to be welded.

Referring to the state of use of the subject innovation having such a configuration as follows.

First, the operator inserts each spiral hollow tube 20, 20 ′ on both sides of the pipe joint 13, 13 ′ of the electronic socket 10 so that both ends of the spiral hollow tube 20, 20 ′ are connected to the socket body ( 11) to be interviewed on the inner fusion flange 12.

Then, the worker tightens the tightening band 16 surrounding the outer circumferential surface of the socket body 11 as much as possible by the fastening ring 18. At this time, the user has the + terminal 15 and the-terminal 15 'of the fusion heating wire 14. Current to flow through).

The operator stops the energization after a certain time elapses and the electronics to the tightening band 16 to maintain the tightening state by the fastening ring 18 for a predetermined time until the molten synthetic resin (PE) inside the socket body 11 is hardened. The socket body 11 of the socket 10 maintains the state coupled with the spiral hollow tube 20, 20 '.

After a certain period of time, the operator unscrews the fastening ring 18 of the electronic socket 10 to wind the socket body 11 and removes the tightening band from the socket body 11.

The pipe joints 13 and 13 'and the fusion flanges 12 by the fusion heat wires 14 inserted into the end faces of the pipe joints 13 and 13' and the fusion flange 12 in the socket body 11. The outer circumferential surface and the front end surface of the helical hollow tube 20, 20 'is maintained to be firmly welded.

The tightening band 16 having the fastening ring 18 is separated from the socket body 11 after the pipe work and recycled.

The electronic socket of the present invention is capable of pipe fitting within a certain error of the pipe outer diameter of the pipe joint, and the outer peripheral surface and the front end surface of the helical hollow tube are also fused to increase the fusion area so that the pipe joint becomes more rigid.

Claims (1)

In splicing helical hollow tubes (20) (20 '); It is formed of a tubular body and the pipe fastening portion 13, 13 'which is fitted with the outer peripheral edge of the front end of the spiral hollow tube 20, 20' on both inner ends and the spiral hollow tube 20, 20 'from the inner side to the center direction. A socket body (11) having a fusion flange (12) projecting by a thickness; A fusion heating wire having a + terminal 15 and a-terminal 15 ′ and inserted into the inner end surface of the socket body 11 in contact with the outer circumference and the front end surface of the helical hollow tube 20 and 20 ′ and generating heat when energized. (14); Tightening band having a fastening ring 18 located on the outer circumferential surface of the socket body 11 to tightly fix and fix the socket body 11 to the outer circumference of the spiral hollow tube 20, 20 ′ when the fusion heat wire 14 is energized. An electronic socket of a helical hollow tube, characterized in that (16) is provided.