CN215908636U - Metal connection electric smelting crossover sub - Google Patents
Metal connection electric smelting crossover sub Download PDFInfo
- Publication number
- CN215908636U CN215908636U CN202122451423.3U CN202122451423U CN215908636U CN 215908636 U CN215908636 U CN 215908636U CN 202122451423 U CN202122451423 U CN 202122451423U CN 215908636 U CN215908636 U CN 215908636U
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- pipe fitting
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- wall
- pipe
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- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
The utility model provides a metal connection electric smelting crossover sub, includes PE pipe fitting body, PE pipe fitting body one end is connected with metal joint, and the other end is equipped with the resistance wire at PE pipe fitting body inner wall, the resistance wire inlay in the mounting groove of pipe fitting body inner wall for helical structure, the mounting groove outside is equipped with resistance wire PE coating, the terminal is connected respectively at the resistance wire both ends, two terminals are located the axial mounting hole of the outer tip of PE pipe fitting body, the axial mounting hole is located the pipe wall of PE pipe fitting body, axial mounting hole aperture be less than the pipe wall thickness of PE pipe fitting body, the axis of axial mounting hole be parallel with the axis of PE pipe fitting body. According to the utility model, the binding post is internally provided with the pipe wall of the PE pipe fitting body, so that the binding post is used as an internal part for pipe fitting welding, can be used as a metal reinforcing rib to improve the connection fastness, and is used as a heating body to promote the fluidity of a PE material in the welding process, improve the welding uniformity and avoid water leakage.
Description
Technical Field
The utility model relates to an electric melting pipe fitting, in particular to a metal connection electric melting adapter.
Background
The pipe fittings of the polyethylene pipeline system are mainly divided into two types, namely hot-melting pipe fittings and electric-melting pipe fittings, the consumption of the hot-melting pipe fittings is more than that of the electric-melting pipe fittings in engineering application due to the price, but the electric-melting pipe fittings have important and irreplaceable functions in engineering and maintenance, and particularly the electric-melting pipe fittings are less influenced by external environment and human factors in construction, so the reliability is better, and the pipe fittings are more popular with users. The terminal that its is used for the heating of current electric smelting pipe fitting is located the outer wall of pipe fitting, only as the heater block, does not regard as adapting unit, and this kind of structure not only leads to pipe fitting outer wall intensity to reduce, leads to the uneven problem that causes the water leakage of heating moreover easily. How to improve the connection sealing performance of the electric melting pipe fittings to prevent water leakage has been the subject of research by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
The utility model provides a metal connection electric melting adapter with uniform PE connection, good fluidity and high structural strength.
The utility model provides a metal connection electric smelting crossover sub, includes PE pipe fitting body, PE pipe fitting body one end is connected with metal joint, and the other end is equipped with the resistance wire at PE pipe fitting body inner wall, the resistance wire inlay in the mounting groove of pipe fitting body inner wall for helical structure, the mounting groove outside is equipped with resistance wire PE coating, the terminal is connected respectively at the resistance wire both ends, two terminals are located the axial mounting hole of the outer tip of PE pipe fitting body, the axial mounting hole is located the pipe wall of PE pipe fitting body, axial mounting hole aperture be less than the pipe wall thickness of PE pipe fitting body, the axis of axial mounting hole be parallel with the axis of PE pipe fitting body. This kind of metal connection electric smelting crossover sub directly sets up the terminal on the pipe wall, that is to say this terminal will not expose at the butt fusion in-process, but direct butt fusion connects, has improved pipeline welded structural strength greatly, and the terminal can improve PE welded mobility as the part that generates heat in addition, increases the butt fusion homogeneity, avoids leaking.
The PE pipe fitting body pipe wall of the axial installation hole with the outward diameter is provided with the arc-shaped reinforcing ribs, the wall thickness of the outer wall of the axial installation hole is increased, and the phenomenon that the connecting column is excessively melted after being connected with a power supply for heating and influences the pipe wall performance of the PE pipe fitting body is avoided.
The axial installation hole is provided with a bulge axially opposite to the outer end face of the PE pipe fitting body, the bulge structure provides a flowing attachment point for a molten PE material in the connection process, the molten PE material is attached around the bulge, and the end faces of other pipelines are further welded to improve welding performance.
The outer wall of the PE pipe fitting body is provided with anti-skid patterns. The PE pipe fitting body is provided with a convex bump close to the outer wall of the metal joint end, so that the problem of slipping when the PE pipe fitting is held is prevented.
One end of the metal joint is provided with an anti-rotation block connected with the PE pipe fitting body, the other end of the metal joint is provided with an external thread or a connecting groove, and the connecting groove is used for connecting other pipe fittings. The outer wall of the metal joint is provided with an axial limiting groove connected with the PE pipe fitting body. This kind of metal joint adopts and prevents changeing the piece and prevent to appear radially rotating between its and the PE pipe fitting body, adopts axial spacing groove to prevent to appear axial displacement between its and the PE pipe fitting body simultaneously and has improved connection performance greatly.
The outer wall of the metal joint is provided with a hexagonal or octagonal outer vertical surface, so that a worker can conveniently use a wrench to increase the connection strength between the external thread of the metal joint and other pipe fittings.
According to the utility model, the binding post is internally provided with the pipe wall of the PE pipe fitting body, so that the binding post is used as an internal part for pipe fitting welding, can be used as a metal reinforcing rib to improve the connection fastness, and is used as a heating body to promote the fluidity of a PE material in the welding process, improve the welding uniformity and avoid water leakage.
Drawings
The utility model is further described below with reference to the accompanying drawings:
fig. 1 is a schematic perspective view of a metal connection electric smelting adapter according to the present invention;
FIG. 2 is a schematic perspective view of a metal joint according to the present invention;
fig. 3 is a schematic perspective view of a metal-bonded electrofusion adapter having a connecting groove joint according to the present invention;
fig. 4 is a schematic structural diagram of a metal joint according to the present invention.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Please refer to fig. 1-4 a metal connection electric smelting crossover sub, including PE pipe fitting body 2, 2 one end of PE pipe fitting body is connected with metal joint 9, the other end is equipped with resistance wire 1 at PE pipe fitting body inner wall, resistance wire 1 inlays in the mounting groove of pipe fitting body inner wall for helical structure, the mounting groove outside is equipped with resistance wire PE coating, terminal 4 is connected respectively at the resistance wire both ends, two terminal 4 are located in the axial mounting hole 5 of the outer tip of PE pipe fitting body, axial mounting hole 5 is located the pipe wall of PE pipe fitting body 2, make the terminal regard as the built-in part of pipe fitting butt fusion, not only can improve the connection fastness as the metal strengthening rib, and promote the mobility of PE material in the butt fusion process as the heat-generating body, increase the butt fusion homogeneity and avoid leaking.
The pore diameter of the axial mounting hole is preferably smaller than the wall thickness of the PE pipe fitting body as a structure, and the axis of the axial mounting hole is parallel to the axis of the PE pipe fitting body. The arrangement ensures that the binding post is used as a basic condition of the built-in part for welding the pipe fittings, and prevents the problem of pipe wall damage caused by melting in the middle of the pipe wall.
In order to further improve the built-in safety of the connecting column, the pipe wall of the PE pipe fitting body on the radial outer side of the axial mounting hole 5 is provided with an arc-shaped reinforcing rib 7. The axial installation hole 5 is axially provided with a bulge 3 opposite to the outer end face of the PE pipe fitting body, the bulge 3 serves as a flowing attachment point for the molten PE material, the molten PE material is attached to the periphery of the bulge, and the end faces of other pipelines are further welded to improve welding performance.
Be equipped with anti-skidding decorative pattern 6 as the preferred PE pipe fitting body 2 outer wall of structure, anti-skidding decorative pattern 6 is effectively python line. In order to improve the handheld rotating force of the PE pipe fitting body 2, a convex bump 8 is arranged on the outer wall of the PE pipe fitting body close to the metal joint end.
As a preferable structure, one end of the metal joint 9 is provided with an anti-rotation block 10 connected with the PE pipe fitting body, and the other end is provided with an external thread 12 or a connecting groove 14. The outer wall of the metal joint 9 is provided with an axial limiting groove 11 connected with the PE pipe fitting body. The outer wall of the metal joint is provided with a hexagonal or octagonal outer vertical surface 13. The connecting groove 14 can be connected with other pipe fittings in a groove mode, and the convenience of connection is improved.
Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.
Claims (8)
1. The utility model provides a metal connection electric smelting crossover sub, includes PE pipe fitting body, PE pipe fitting body one end is connected with metal joint, and the other end is equipped with resistance wire, its characterized in that at PE pipe fitting body inner wall: the resistance wire inlay in the mounting groove of pipe fitting body inner wall for helical structure, the mounting groove outside is equipped with resistance wire PE coating, the terminal is connected respectively at the resistance wire both ends, two terminals are located the outer tip of PE pipe fitting body in the axial mounting hole, the axial mounting hole is located the pipe wall of PE pipe fitting body, the axial mounting hole aperture be less than the pipe wall thickness of PE pipe fitting body, the axis of axial mounting hole be parallel with the axis of PE pipe fitting body.
2. A metal-bonded electrofusion adapter as defined in claim 1, wherein: and arc-shaped reinforcing ribs are arranged on the pipe wall of the PE pipe fitting body with the axial installation hole diameter facing outwards.
3. A metal-bonded electrofusion adapter as defined in claim 1, wherein: the axial installation hole is provided with a bulge axially opposite to the outer end face of the PE pipe fitting body.
4. A metal-bonded electrofusion adapter as defined in claim 1, wherein: the outer wall of the PE pipe fitting body is provided with anti-skid patterns.
5. A metal-bonded electrofusion adapter as defined in claim 1, wherein: the PE pipe fitting body is provided with a convex bump on the outer wall close to the metal joint end.
6. A metal-bonded electrofusion adapter as defined in claim 1, wherein: one end of the metal joint is provided with an anti-rotation block connected with the PE pipe fitting body, and the other end of the metal joint is provided with an external thread or a connecting groove.
7. A metal-to-metal electrofusion adapter according to claim 6, wherein: the outer wall of the metal joint is provided with an axial limiting groove connected with the PE pipe fitting body.
8. A metal-to-metal electrofusion adapter according to claim 6, wherein: the outer wall of the metal joint is provided with a hexagonal or octagonal outer vertical surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122451423.3U CN215908636U (en) | 2021-10-12 | 2021-10-12 | Metal connection electric smelting crossover sub |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122451423.3U CN215908636U (en) | 2021-10-12 | 2021-10-12 | Metal connection electric smelting crossover sub |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215908636U true CN215908636U (en) | 2022-02-25 |
Family
ID=80312078
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122451423.3U Active CN215908636U (en) | 2021-10-12 | 2021-10-12 | Metal connection electric smelting crossover sub |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215908636U (en) |
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2021
- 2021-10-12 CN CN202122451423.3U patent/CN215908636U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A metal connection electric fusion conversion joint Effective date of registration: 20230802 Granted publication date: 20220225 Pledgee: Xiaoshan sub branch of Hangzhou United Rural Commercial Bank Co.,Ltd. Pledgor: ZHEJIANG LONGYE PIPE INDUSTRY Co.,Ltd. Registration number: Y2023330001617 |