CN115507242A - PE electric smelting three way connection - Google Patents
PE electric smelting three way connection Download PDFInfo
- Publication number
- CN115507242A CN115507242A CN202211057907.2A CN202211057907A CN115507242A CN 115507242 A CN115507242 A CN 115507242A CN 202211057907 A CN202211057907 A CN 202211057907A CN 115507242 A CN115507242 A CN 115507242A
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- resistance wire
- tee
- pipe fitting
- fitting body
- heating resistance
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L47/00—Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics
- F16L47/26—Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics for branching pipes; for joining pipes to walls; Adaptors therefor
- F16L47/32—Branch units, e.g. made in one piece, welded, riveted
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L47/00—Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics
- F16L47/02—Welded joints; Adhesive joints
- F16L47/03—Welded joints with an electrical resistance incorporated in the joint
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L47/00—Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics
- F16L47/16—Screw-threaded joints
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Branch Pipes, Bends, And The Like (AREA)
Abstract
The invention belongs to the technical field of pipeline joints, and particularly relates to a PE electric melting three-way joint. The three-way pipe fitting comprises a three-way pipe fitting body, wherein a transverse connecting cavity and a longitudinal connecting cavity are arranged in the three-way pipe fitting body, the transverse connecting cavity and the longitudinal connecting cavity are communicated, and a transverse electric melting sealing assembly is arranged in the three-way pipe fitting body. In the using process, the longitudinal joints of the tee pipe body are connected through the partition type connecting piece, the partition type connecting structure is adopted, the connection is tight, the two transverse joints of the tee pipe body are connected through the transverse electric melting sealing assembly, and the structure with synchronous matching of thread electric melting is adopted, so that the thread meshing is tight, the sealing performance is better, the structure is compact and reasonable, the welding effect is good, and the overflow condition is reduced.
Description
Technical Field
The invention belongs to the technical field of pipeline joints, and relates to a PE electric melting three-way joint.
Background
PE electric smelting three way connection is a pipeline part commonly used in the market at present, mainly utilizes the direct welded mode of electric smelting to take over the operation, and current PE electric smelting three way connection is in the use, and its electric smelting connection is difficult to with the same step fit of screw thread, and its screw thread interlock compactness is comparatively general, and the leakproofness is relatively poor, the excessive condition appears easily, and the butt fusion effect is comparatively general.
In order to overcome the defects of the prior art, people continuously explore and propose various solutions, for example, a Chinese patent discloses an electric melting three-way joint [ application number: 201520968168.1], including the joint main part, the joint main part includes first interface, second interface and third interface, be provided with the heating ring on first interface with second interface, the inside impeller that is provided with of third interface, be provided with microgenerator on the third interface outer wall, the impeller with microgenerator links to each other, microgenerator with the heating ring circuit links to each other. But this scheme is in the use, and its electric smelting is connected and still is difficult to with the same step fit of screw thread, and its screw thread interlock compactness is comparatively general, has the leakproofness relatively poor, the excessive condition appears in the easy, the comparatively general defect of butt fusion effect.
Disclosure of Invention
The invention aims to solve the problems and provides a PE electric melting three-way joint.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a PE electric smelting three way connection, includes the tee bend pipe fitting body, this internal transverse connection cavity and the longitudinal connection cavity of being equipped with of tee bend pipe fitting, transverse connection cavity and longitudinal connection cavity be linked together the setting, this internal transverse electric smelting seal assembly that is equipped with of tee bend pipe fitting, transverse electric smelting seal assembly corresponding with the position of transverse connection cavity, this internal subregion formula connecting piece that still is equipped with of tee bend pipe fitting, the subregion formula connecting piece corresponding with the position of longitudinal connection cavity.
In the above PE electric melting three-way joint, the transverse electric melting sealing component includes a first heating resistance wire disposed in the three-way pipe body, the three-way pipe body is further provided with a staggered screw joint portion, and the first heating resistance wire corresponds to the staggered screw joint portion.
In the above PE electric melting three-way joint, the offset type screw connection portion includes a transverse internal thread disposed in the three-way pipe fitting body, an offset sealing fusion connection portion is disposed between the transverse internal thread and the first heating resistance wire, one end of the offset sealing fusion connection portion is connected to the first heating resistance wire, and the other end of the offset sealing fusion connection portion is staggered with the transverse internal thread.
In foretell PE electric smelting three way connection, dislocation sealed fusion splice include set up a plurality of fusion gaps between horizontal internal thread and first heating resistor silk, fusion gap and horizontal internal thread crisscross setting, fusion gap and first heating resistor silk link to each other.
In the PE electric melting three-way joint, a resistance wire fixing piece is arranged in the three-way pipe fitting body, the resistance wire fixing piece is in butt fit with the first heating resistance wire, and the resistance wire fixing piece is located at one end, far away from the welding gap, of the first heating resistance wire.
In foretell PE electric smelting three way connection, the resistance wire mounting including set up the fixed cover of resistance wire in the tee bend pipe fitting body, the fixed cover of resistance wire and first heating resistor silk looks butt fit, the fixed cover of resistance wire be located first heating resistor silk and keep away from butt fusion space one end.
In the PE electric melting three-way joint, the three-way pipe fitting body is provided with a first resistance wire external sleeve, the first heating resistance wire extends into the first resistance wire external sleeve, the three-way pipe fitting body is internally provided with an alignment connecting part, and the alignment connecting part and the first heating resistance wire are arranged in a staggered mode.
In the above PE electric melting three-way joint, the alignment connection part includes an alignment connection groove disposed in the three-way pipe body, and the cross section of the alignment connection groove is annular.
In the above PE electric melting three-way joint, the partition type connecting piece includes a longitudinal internal thread disposed in the three-way pipe fitting body, and a second heating resistance wire is further disposed in the three-way pipe fitting body, and the longitudinal internal thread and the second heating resistance wire are disposed in a staggered manner.
In the PE electric melting three-way joint, the longitudinal internal threads and the second heating resistance wire respectively correspond to the longitudinal connecting cavity, the three-way pipe fitting body is further provided with an external sleeve of the second resistance wire, and the second heating resistance wire extends into the external sleeve of the second resistance wire.
Compared with the prior art, the invention has the advantages that:
1. in the using process, the longitudinal joints of the tee pipe body are connected through the partition type connecting piece, the partition type connecting structure is adopted, the connection is tight, the two transverse joints of the tee pipe body are connected through the transverse electric melting sealing assembly, and the structure with synchronous matching of thread electric melting is adopted, so that the thread meshing is tight, the sealing performance is better, the structure is compact and reasonable, the welding effect is good, and the overflow condition is reduced.
2. The invention can be convenient for alignment, insertion and matching when connecting the transverse joints of the two tee pipe fitting bodies by arranging the alignment connecting grooves, and has higher installation accuracy.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic view of the structure of the alignment connection groove.
In the figure: the three-way pipe fitting comprises a three-way pipe fitting body 1, a transverse connection cavity 2, a longitudinal connection cavity 3, a transverse electric melting sealing assembly 4, a partition type connecting piece 5, a first heating resistance wire 6, a dislocation type screwed part 7, a transverse internal thread 8, a dislocation sealing welded part 9, a welded gap 10, a resistance wire fixing part 11, a resistance wire fixing sleeve 12, a first resistance wire external sleeve 13, an alignment connecting part 14, an alignment connecting groove 15, a longitudinal internal thread 16, a second heating resistance wire 17 and a second resistance wire external sleeve 18.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
As shown in fig. 1 and 2, a PE electric melting three-way joint comprises a three-way pipe fitting body 1, wherein a transverse connection cavity 2 and a longitudinal connection cavity 3 are arranged in the three-way pipe fitting body 1, the transverse connection cavity 2 and the longitudinal connection cavity 3 are communicated, a transverse electric melting sealing assembly 4 is arranged in the three-way pipe fitting body 1, the transverse electric melting sealing assembly 4 corresponds to the transverse connection cavity 2, a partition type connecting piece 5 is further arranged in the three-way pipe fitting body 1, and the partition type connecting piece 5 corresponds to the longitudinal connection cavity 3.
In this embodiment, in the use, connect three-way pipe fitting body 1's vertical joint department through zoned connecting piece 5, adopt zoned connection structure, connect closely, connect two horizontal joints department to three-way pipe fitting body 1 through horizontal electric smelting seal assembly 4, adopt screw thread electric smelting synchronous fit's structure for the screw thread interlock is more inseparable, and the leakproofness is better, and compact structure is reasonable, and the butt fusion is effectual, reduces the excessive condition.
With reference to fig. 1 and 2, the transverse electrofusion sealing assembly 4 includes a first heating resistance wire 6 disposed in the tee pipe fitting body 1, the tee pipe fitting body 1 is further provided with a staggered screwing portion 7, and the first heating resistance wire 6 corresponds to the staggered screwing portion 7.
Specifically speaking, when connecting two transverse joint departments to tee bend pipe fitting body 1, the peripheral hardware connecting pipe carries out the spiro union cooperation with dislocation formula spiro union portion 7 earlier, realize preliminary interlock, switch on first heating resistor silk 6 again, will be located the tubular product of dislocation formula spiro union portion 7 and carry out electric smelting connection, make the material after the electric smelting and the 7 handing over of dislocation formula spiro union portion melt, adopt screw electric smelting synchronous fit's structure, make the screw thread interlock more inseparable, the leakproofness is better, compact structure is reasonable, the butt fusion is effectual, reduce the excessive condition.
With reference to fig. 1 and 2, the dislocation type screwing part 7 includes a transverse internal thread 8 arranged in the tee pipe fitting body 1, a dislocation sealing welding part 9 is arranged between the transverse internal thread 8 and the first heating resistance wire 6, one end of the dislocation sealing welding part 9 is connected with the first heating resistance wire 6, and the other end of the dislocation sealing welding part is arranged in a staggered manner with the transverse internal thread 8.
In this embodiment, when connecting two transverse joint departments to tee bend pipe fitting body 1, the peripheral hardware connecting pipe carries out the spiro union cooperation with horizontal internal thread 8 earlier, realize preliminary interlock, switch on first heating resistor silk 6 again, the tubular product that will be located dislocation sealing welding portion 9 carries out the electric smelting connection, make the material after the electric smelting melt with horizontal internal thread 8, fill the screw thread space, adopt screw thread electric smelting synchronous fit's structure, make the screw thread interlock more inseparable, the leakproofness is better, compact structure is reasonable, the butt fusion is effectual, reduce the excessive condition.
The dislocation sealing welding part 9 comprises a plurality of welding gaps 10 arranged between the transverse internal threads 8 and the first heating resistance wires 6, the welding gaps 10 and the transverse internal threads 8 are arranged in a staggered mode, and the welding gaps 10 are connected with the first heating resistance wires 6.
In this embodiment, when connecting two transverse joint departments to tee bend pipe fitting body 1, the peripheral hardware connecting pipe carries out the spiro union cooperation with horizontal internal thread 8 earlier, realize preliminary interlock, switch on first heating resistor silk 6 again, will be located the tubular product of butt fusion space 10 and carry out the electric smelting connection, make the material after the electric smelting melt with horizontal internal thread 8, fill the screw thread space, adopt the structure of screw thread electric smelting synchronous fit, it is more inseparable to make the screw thread interlock, the leakproofness is better, compact structure is reasonable, the butt fusion is effectual, reduce the excessive condition.
Referring to fig. 1, a resistance wire fixing member 11 is arranged in the tee pipe fitting body 1, the resistance wire fixing member 11 is in abutting fit with the first heating resistance wire 6, and the resistance wire fixing member 11 is located at one end, far away from the welding gap 10, of the first heating resistance wire 6.
In this embodiment, the resistance wire fixing member 11 is used to fix the first heating resistance wire 6, and can make the first heating resistance wire 6 after the circular telegram, play thermal-insulated effect to the one end of the first heating resistance wire 6 far away from the welding gap 10, further accelerate the electric smelting rate of the tubular product of the welding gap 10.
The resistance wire fixing part 11 comprises a resistance wire fixing sleeve 12 arranged in the tee pipe fitting body 1, the resistance wire fixing sleeve 12 is in butt fit with the first heating resistance wire 6, and the resistance wire fixing sleeve 12 is located at one end, far away from the welding gap 10, of the first heating resistance wire 6.
In this embodiment, the fixed cover 12 of resistance wire is used for fixed first heating resistor wire 6 to can make first heating resistor wire 6 circular telegram back, keep away from welding gap 10 one end to first heating resistor wire 6 and play thermal-insulated effect, further accelerated the electric smelting rate of the tubular product in welding gap 10, the skilled in the art should understand, and high temperature resistant material is chooseed for use to the fixed cover 12 material of resistance wire, and the melting point ratio PE tubular product is high can.
The tee joint pipe fitting comprises a tee joint pipe fitting body 1, wherein a first resistance wire is externally connected with a barrel sleeve 13, a first heating resistance wire 6 extends into the first resistance wire externally connected with the barrel sleeve 13, an alignment connecting part 14 is arranged in the tee joint pipe fitting body 1, and the alignment connecting part 14 and the first heating resistance wire 6 are arranged in a staggered mode.
In this embodiment, the external sleeve 13 of first resistance wire is used for installing and fixing the epitaxial first heating resistance wire 6, and is convenient for the staff to carry out the circular telegram electric smelting.
Referring to fig. 1 and 2, the alignment connection portion 14 includes an alignment connection groove 15 disposed in the tee fitting body 1, and a cross section of the alignment connection groove 15 is annular.
In this embodiment, the alignment connection groove 15 can facilitate alignment and insertion matching when connecting the two lateral joints of the tee pipe body 1, and the installation accuracy is high.
Referring to fig. 1, the partitioned connecting piece 5 includes a longitudinal internal thread 16 disposed in the tee pipe body 1, a second heating resistance wire 17 is further disposed in the tee pipe body 1, and the longitudinal internal thread 16 and the second heating resistance wire 17 are arranged in a staggered manner.
In this embodiment, when the longitudinal joint of the tee fitting body 1 needs to be connected, the external connecting pipe is in threaded fit with the longitudinal internal thread 16, after the threads are seized, the second heating resistance wire 17 is subjected to electrifying and electric melting connection, and the connection is tight by adopting a partition type connecting structure.
Referring to fig. 1, the longitudinal internal threads 16 and the second heating resistance wire 17 correspond to the longitudinal connecting cavity 3, the tee pipe fitting body 1 is further provided with a second resistance wire external cylinder sleeve 18, and the second heating resistance wire 17 extends into the second resistance wire external cylinder sleeve 18.
In this embodiment, the second resistance wire is externally connected with a sleeve 18 for mounting and fixing the second heating resistance wire 17 extending outward, so that the worker can conveniently perform power-on electric melting.
The working principle of the invention is as follows:
when two transverse joints of the tee pipe fitting body 1 are connected, the external connecting pipe is firstly in threaded connection with the transverse internal thread 8 to realize preliminary occlusion, then the first heating resistance wire 6 is electrified to carry out electric melting connection on the pipe positioned in the welding gap 10, so that the material after electric melting is fused with the transverse internal thread 8 to fill the thread gap, and the structure of synchronous matching of thread electric melting is adopted to ensure that the thread occlusion is more compact, the sealing performance is better, the structure is compact and reasonable, the welding effect is good, and the overflow condition is reduced,
the resistance wire fixing sleeve 12 is used for fixing the first heating resistance wire 6, and can insulate the end of the first heating resistance wire 6 far away from the welding gap 10 after the first heating resistance wire 6 is electrified, so that the electric melting rate of the pipe in the welding gap 10 is further accelerated,
the first resistance wire is externally connected with a barrel sleeve 13 for installing and fixing the first heating resistance wire 6 extending outwards, so that the worker can conveniently carry out electrifying and electric melting,
the alignment connecting groove 15 can facilitate alignment, splicing and matching when connecting the transverse joints of the two tee pipe fitting bodies 1, has higher installation accuracy,
when the longitudinal joint of the tee pipe fitting body 1 needs to be connected, the external connecting pipe is in threaded fit with the longitudinal internal thread 16, after the thread is seized, the second heating resistance wire 17 is electrified and electrofused, a partition type connecting structure is adopted, the connection is tight,
the second resistance wire is externally connected with a barrel sleeve 18 for installing and fixing the second heating resistance wire 17 extending outwards, so that the worker can conveniently carry out electrifying and electric melting.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit of the invention.
Although the terms of the tee fitting body 1, the transverse connection chamber 2, the longitudinal connection chamber 3, the transverse electrofusion sealing assembly 4, the partition type connecting piece 5, the first heating resistance wire 6, the dislocation type screwed portion 7, the transverse internal thread 8, the dislocation sealing welded portion 9, the welded gap 10, the resistance wire fixing member 11, the resistance wire fixing sleeve 12, the first resistance wire external sleeve 13, the alignment connection portion 14, the alignment connection groove 15, the longitudinal internal thread 16, the second heating resistance wire 17, the second resistance wire external sleeve 18 and the like are used more frequently herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention and they are to be interpreted as any additional limitation in keeping with the spirit of the present invention.
Claims (10)
1. The utility model provides a PE electric smelting three way connection, includes tee bend pipe fitting body (1), its characterized in that, tee bend pipe fitting body (1) in be equipped with transverse connection cavity (2) and longitudinal connection cavity (3), transverse connection cavity (2) and longitudinal connection cavity (3) be linked together the setting, tee bend pipe fitting body (1) in be equipped with horizontal electric smelting seal assembly (4), horizontal electric smelting seal assembly (4) corresponding with the position of transverse connection cavity (2), tee bend pipe fitting body (1) in still be equipped with partition type connecting piece (5), partition type connecting piece (5) corresponding with the position of longitudinal connection cavity (3).
2. A PE electrofusion tee coupling as defined in claim 1, characterised in that the transverse electrofusion sealing assembly (4) comprises a first heating resistance wire (6) disposed within the tee fitting body (1), and a staggered screw joint (7) is further disposed within the tee fitting body (1), and the first heating resistance wire (6) corresponds to the staggered screw joint (7).
3. The PE electric melting three-way joint according to claim 2, wherein the staggered threaded connection (7) comprises a transverse internal thread (8) arranged in the three-way pipe fitting body (1), a staggered sealing and welding connection (9) is arranged between the transverse internal thread (8) and the first heating resistance wire (6), one end of the staggered sealing and welding connection (9) is connected with the first heating resistance wire (6), and the other end of the staggered sealing and welding connection (9) is staggered with the transverse internal thread (8).
4. A PE electrofusion tee coupling as claimed in claim 3, characterised in that the said dislocation sealing weld (9) comprises a plurality of weld gaps (10) arranged between the transverse internal thread (8) and the first heating resistance wire (6), said weld gaps (10) and the transverse internal thread (8) being staggered, said weld gaps (10) being connected to the first heating resistance wire (6).
5. A PE electrofusion tee joint as claimed in claim 4, characterised in that a resistance wire fixing member (11) is arranged in the tee joint pipe fitting body (1), the resistance wire fixing member (11) is in butt fit with the first heating resistance wire (6), and the resistance wire fixing member (11) is located at one end of the first heating resistance wire (6) away from the fusion gap (10).
6. The PE electric melting three-way joint according to claim 5, wherein the resistance wire fixing piece (11) comprises a resistance wire fixing sleeve (12) arranged in the three-way pipe fitting body (1), the resistance wire fixing sleeve (12) is in butt fit with the first heating resistance wire (6), and the resistance wire fixing sleeve (12) is positioned at one end, far away from the welding gap (10), of the first heating resistance wire (6).
7. The PE electric melting three-way joint according to claim 6, wherein a first resistance wire external barrel sleeve (13) is arranged on the three-way pipe fitting body (1), the first heating resistance wire (6) extends into the first resistance wire external barrel sleeve (13), an alignment connecting part (14) is arranged in the three-way pipe fitting body (1), and the alignment connecting part (14) and the first heating resistance wire (6) are arranged in a staggered manner.
8. The PE electrofusion tee coupling according to claim 7, wherein the alignment connection (14) comprises an alignment connection groove (15) provided in the tee body (1), the alignment connection groove (15) having an annular cross section.
9. The PE electrofusion tee joint according to claim 8, wherein the partition type connecting piece (5) comprises a longitudinal internal thread (16) arranged in the tee pipe body (1), a second heating resistance wire (17) is further arranged in the tee pipe body (1), and the longitudinal internal thread (16) and the second heating resistance wire (17) are arranged in a staggered mode.
10. The PE electrofusion tee joint according to claim 9, wherein the longitudinal internal threads (16) and the second heating resistance wire (17) correspond to the longitudinal connecting cavity (3) in position, the tee joint pipe fitting body (1) is further provided with a second resistance wire external barrel sleeve (18), and the second heating resistance wire (17) extends into the second resistance wire external barrel sleeve (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211057907.2A CN115507242A (en) | 2022-08-30 | 2022-08-30 | PE electric smelting three way connection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211057907.2A CN115507242A (en) | 2022-08-30 | 2022-08-30 | PE electric smelting three way connection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115507242A true CN115507242A (en) | 2022-12-23 |
Family
ID=84502487
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211057907.2A Pending CN115507242A (en) | 2022-08-30 | 2022-08-30 | PE electric smelting three way connection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115507242A (en) |
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2022
- 2022-08-30 CN CN202211057907.2A patent/CN115507242A/en active Pending
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