CN213776673U

CN213776673U - Steel wire pipe inner support electric smelting connection structure and steel wire pipe

Info

Publication number: CN213776673U
Application number: CN202021730837.9U
Authority: CN
Inventors: 倪奉尧; 胡召元; 孔智勇; 王晓峰
Original assignee: Shandong Donghong Pipe Industry Co Ltd
Current assignee: Shandong Donghong Pipe Industry Co Ltd
Priority date: 2020-08-18
Filing date: 2020-08-18
Publication date: 2021-07-23
Anticipated expiration: 2030-08-18

Abstract

The utility model provides a steel wire pipe internal stay electric smelting connection structure, including first steel wire pipe and second steel wire pipe, its characterized in that, first steel wire pipe one end sets up first flaring, second steel wire pipe one end sets up the second flaring, set up the electric smelting internal stay between first flaring and the second flaring, the electric smelting internal stay is including the socket and spigot joint district, socket and spigot joint district and first flaring and the contact of second flaring inner wall, socket and spigot joint district is including melting the district, melting district and flaring inner wall electric fusion welding. Has the advantages of water channeling prevention, corrosion prevention and stable connection.

Description

Steel wire pipe inner support electric smelting connection structure and steel wire pipe

Technical Field

The utility model belongs to the machine-building and steel wire tube connection structure field, concretely relates to steel wire intraductal propping electric smelting connection structure and steel wire pipe.

Background

The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.

The steel wire mesh composite pipe is easy to move due to the fact that polyethylene expands with heat and contracts with cold and pipeline pressure is not completely fixed in the long-term use process, and therefore water penetrating occurs when the steel wire mesh composite pipe is in contact with a medium in a pipe body, and the steel wire pipe is caused to lose pressure.

The outer layer wall thickness of the steel wire mesh composite pipe is thin, the electric melting connection mode in the current market mostly depends on the outer layer of the steel wire mesh composite pipe for connection, and the connection quality is not stable enough. The inner wall electric melting connection mode exists in the current market, but the inner diameter is reduced, the flow of the pipe is influenced, the inner wall of the pipe generates vortex, the local pressure is increased, and the service life of the pipe is influenced. The problems of easy corrosion, easy water channeling and poor connection stability of the direct connection of the steel wire pipe exist.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve above-mentioned problem, provided a steel wire intraductal branch electric smelting connection structure and steel wire pipe, the utility model discloses a solve steel wire pipe direct contact and scurry water easily, easy corrosion connects the poor technical problem of stability.

According to some embodiments, the utility model adopts the following technical scheme:

the utility model provides a steel wire pipe internal stay electric smelting connection structure, includes first steel wire pipe and second steel wire pipe, its characterized in that, first steel wire pipe one end sets up first flaring, second steel wire pipe one end sets up the second flaring, set up electric smelting internal stay between first flaring and the second flaring, electric smelting internal stay is including the socket and spigot joint district, socket and spigot joint district and first flaring and the contact of second flaring inner wall, socket and spigot joint district is including melting the district, melting district and flaring inner wall electric smelting welding.

In addition, according to the utility model discloses steel wire pipe internal stay electric smelting connection structure can also have following additional technical characterstic:

preferably, the electric smelting inner support comprises a flat straight section, one side of the flat straight section is in contact with the end part of the first flaring, and the other side of the flat straight section is in contact with the end part of the second flaring.

Preferably, the spigot and socket area has an angle of inclination which matches the angle between the flare and the axis of the steel wire pipe.

Preferably, the two ends of the melting zone are cooling zones.

Preferably, the electric smelting inner support comprises a limiting table, and the limiting table is annularly arranged on the periphery of the electric smelting inner support.

Preferably, the cross section of the electric melting inner support is in an upper trapezoid shape and a lower trapezoid shape, and the straight section is a trapezoid upper side.

Preferably, the inner diameter of the electric melting inner support is equal to the inner diameters of the first steel wire pipe and the second steel wire pipe.

Preferably, the electric melting inner support is placed in the flaring of the steel wire pipe and is connected in an electric melting mode through an electric melting welding machine.

Preferably, the first steel wire pipe and the second steel wire pipe form a first flaring and a second flaring through a flaring die.

A steel wire pipe comprises a steel wire pipe inner support electric melting connection structure.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a set up the flaring at steel wire pipe tip to carry out electric smelting connection steel wire pipe through propping in with flaring complex electric smelting, it is better to have connection stability, prevents to scurry water, and sets up spacing platform, is unlikely to direct contact between the steel wire pipe, prevents the technological effect of steel wire pipe contact corrosion.

Drawings

The accompanying drawings, which form a part of the specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without unduly limiting the scope of the invention.

Fig. 1 is a schematic structural view of the steel wire pipe inner support electric melting connection structure of the present invention;

fig. 2 is an intention of an electric melting inner support structure of the steel wire pipe inner support electric melting connection structure of the present invention;

fig. 3 is a structural diagram of an electric smelting inner support partition of the electric smelting connection structure for the inner support of the steel wire pipe of the present invention;

fig. 4 shows the electric melting intention of the inner wire tube inner support of the electric melting connection structure for the inner wire tube inner support of the present invention.

Description of reference numerals:

in fig. 1 to 4, a first steel wire pipe 1; a second wire tube 2; a first flare 3; a second flare 4; electric smelting inner support 5; a melting zone 6; a cooling zone 7; a socket region 8; the inclination angle 9; a limiting table 10; a straight section 11.

The specific implementation mode is as follows:

the present invention will be further explained with reference to the accompanying drawings and examples.

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the invention. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.

As shown in fig. 1-4, an electric melting connection structure for an inner support of a steel wire pipe comprises a first steel wire pipe 1 and a second steel wire pipe 2, and is characterized in that one end of the first steel wire pipe 1 is provided with a first flared end 3, one end of the second steel wire pipe 2 is provided with a second flared end 4, an electric melting inner support 5 is arranged between the first flared end 3 and the second flared end 4, the electric melting inner support 5 comprises a socket area 8, the socket area 8 is in contact with the inner walls of the first flared end 3 and the second flared end 4, the socket area 8 comprises a melting area 6, and the melting area 6 is in electric melting welding with the inner walls of the flared ends.

The electrofusion inner support 5 comprises a flat straight section 11, one side of the flat straight section 11 is contacted with the end part of the first flaring 3, and the other side is contacted with the end part of the second flaring 4. The socket 8 has an angle of inclination which matches the angle between the flare and the steel pipe axis. Cooling zones 7 are provided at both ends of the melting zone 6. The electric smelting internal stay 5 comprises a limiting table 10, and the limiting table 10 is annularly arranged on the periphery of the electric smelting internal stay 5. The cross section of the electric melting inner support 5 is in an upper trapezoid shape and a lower trapezoid shape, and the straight section 11 is a trapezoid upper edge. The inner diameter of the electric melting inner support 5 is equal to the inner diameters of the first steel wire pipe 1 and the second steel wire pipe 2. And putting the electric melting inner support into the flaring of the steel wire pipe to be connected in an electric melting mode through an electric melting welding machine. The first steel wire pipe 1 and the second steel wire pipe 2 are formed into a first flaring 3 and a second flaring 4 through a flaring die. The size of the flaring die is consistent with that of the electric melting inner support, and the inner wall of the steel wire pipe after flaring is electrically melted to form the electric melting inner support. The water channeling of the end face of the steel wire pipe can be prevented, the wall thickness of the outer layer of the steel wire pipe is prevented, the connection quality is not stable, the inner diameter change of the connection mode of the steel wire pipe is prevented from causing the inner wall to generate eddy current, the local pressure is increased, and the service life of the pipe is prevented from being influenced.

The length of the electric melting inner supporting melting zone 6 is L2. The cooling zones 7m1 and m2, L2+ m1+ m2 are socket depths, the thickness L1 of the electric melting inner support 5 is required to be larger than or equal to the wall thickness of a PE pipe with the same caliber and the same pressure grade as the steel wire pipe, and the thickness L1 of the electric melting inner support 5 and the 6L2 of the electric melting inner support 5 melting zone need to meet the requirements at the same time. A is an inclination angle, typically 15-20. The limiting table 10d prevents the inner support socket from being too deep, and plays a limiting role. The size of the straight section 11n of the limiting platform 10 can meet the requirement that the electric fusion welding machine is connected with a binding post. And designing the size of the electric melting inner support and the size of the flaring die according to the model of the pipe. And (4) flaring the steel wire pipe by using a flaring die. And putting the electric melting inner support into the steel wire pipe, and performing electric melting connection by using an electric melting welding machine.

Through setting up electric smelting internal stay 5 to electric smelting connection stability is better, prevents scurrying water, sets up spacing platform 10, is unlikely to direct contact between the steel wire pipe, prevents steel wire pipe contact corrosion.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

The steel wire pipe comprises a steel wire pipe inner support electric melting connection structure.

Although the present invention has been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and those skilled in the art should understand that various modifications or variations that can be made by those skilled in the art without inventive work are still within the scope of the present invention.

Claims

1. An electric melting connection structure of a steel wire pipe inner support comprises a first steel wire pipe and a second steel wire pipe, and is characterized in that one end of the first steel wire pipe is provided with a first flaring, one end of the second steel wire pipe is provided with a second flaring, the electric melting inner support is arranged between the first flaring and the second flaring, the electric melting inner support comprises a socket joint area, the socket joint area is contacted with the inner walls of the first flaring and the second flaring, the socket joint area comprises a melting area, two ends of the melting area are cooling areas, and the melting area is in electric melting welding with the inner walls of the flares; the cross section of the electric melting inner support is in an upper trapezoid shape and a lower trapezoid shape, and the straight section is the upper edge of the trapezoid.

2. A wire tube inner support electrofusion connection according to claim 1, characterised in that the electrofusion inner support comprises a flat section, one side of which is in contact with the end of the first flare and the other side is in contact with the end of the second flare.

3. A wire tube inner support electrofusion connection according to claim 1 characterised in that the socket region has an angle of inclination which matches the angle between the flare and the wire tube axis.

4. A steel wire pipe inner support electrofusion connection structure according to claim 1, characterised in that the electrofusion inner support comprises a stop, which is annularly arranged around the electrofusion inner support.

5. The steel wire pipe inner support electrofusion connection structure according to claim 1, characterised in that the electrofusion inner support inner diameter is equal to the inner diameter of the first and second steel wire pipes.

6. The electric smelting connection structure of the inner support of the steel wire pipe according to claim 1, wherein the electric smelting connection of the electric smelting inner support is performed by an electric smelting welder when the electric smelting inner support is placed in the flaring of the steel wire pipe.

7. The wire tube inner support electrofusion connection according to claim 1, characterised in that the first and second wire tubes are formed with first and second flares by a flaring die.

8. A steel wire pipe comprising the steel wire pipe inner support electrofusion fastening structure according to any one of claims 1 to 7.