CN207094022U - A kind of interpolation type double-walled electric smelting bend pipe tools - Google Patents
A kind of interpolation type double-walled electric smelting bend pipe tools Download PDFInfo
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- CN207094022U CN207094022U CN201721024577.1U CN201721024577U CN207094022U CN 207094022 U CN207094022 U CN 207094022U CN 201721024577 U CN201721024577 U CN 201721024577U CN 207094022 U CN207094022 U CN 207094022U
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Abstract
The utility model discloses a kind of interpolation type double-walled electric smelting bend pipe tools, including elbow and the horizontal section of accepting for being connected to elbow both ends section is accepted with vertical, level accepts section and vertical section of accepting is provided with electric smelting welding area and thickeies connecting tube, electric smelting welding area includes electric smelting welding outer tube, accept annular space, electric smelting welding inner tube, horizontal segment electrode contact and vertical section electrode contact, the inwall of electric smelting welding outer tube and the outer wall of electric smelting welding inner tube embed respectively is wound with outer tube heating wire, thicken and inwall projection is designed with the inwall center of connecting tube, dead ring is designed with its outer wall center, dead ring includes fastening bolt.Electric smelting welding area with double-walled, during electric fusion welding, the inner and outer wall of outer tube can be all subjected to electric fusion welding, mechanical fasteners are carried out to outer tube with reference to connecting tube is thickeied, compared to conventional monolayers electric fusion welding, the utility model further ensure that the reliability of electric smelting bend pipe tools electric fusion welding during electric fusion welding.
Description
Technical field
The technical field of pipeline connection electric smelting bend pipe tools is the utility model is related to, it is double to relate more specifically to a kind of interpolation type
Wall electric smelting bend pipe tools.
Background technology
The pipe fitting for multiple polyethylene materials that electric smelting bend pipe tools refer to make to contact with each other using high temperature caused by electric current melts
The tubing accessory to be linked together after change, compared to traditional pipe fitting connected mode, such as threaded connection, plug-in type connects, due to
Need to rotate pipe fitting or apply active force in connection procedure, for some large-size pipes, on-site construction operations ten
Point difficulty, electric smelting connected mode advantage in construction work protrudes, for polyethylene material pipe fitting, using electric fusion welding technology,
Easily two pipe fittings can be connected.
In recent years, electric smelting bend pipe tools are in city water pipe pipe network, pipeline network of fuel gas in city, oil, chemical industry and sewage discharge etc.
Field using quite varied, the electric smelting bend pipe tools of different field distinguished in specification, structure it is very big, it is curved on electric smelting at present
The research of head is relatively more, a kind of electric melting pipe fittings elbow as disclosed in patent CN202708443U, and heating wire is provided with body
And binding post, in work progress, it is only necessary to external power source is connected with binding post, after energization, in the presence of electric current,
Connected as one after making two pipe fitting fusings；Mismatched for two docking pipe fitting specifications and structure, patent CN204852746U
A kind of disclosed heavy caliber electric smelting bend pipe tools, voltage is provided for the hot melt part positioned at electric smelting body both ends by binding post,
Heat energy is produced, makes to connect between pipe fitting, efficiently solves and connects heavy caliber thermoplastic pipe fitting timeliness fruit not present in prior art
Good or unhandy problem.The catenation principle of above-mentioned electric smelting bend pipe tools is basically identical, the main bend pipe for including different angle
Section, the undertakings section of two connecting pipes, the electric smelting welding area in undertaking section（Heating wire is wound with inner tubal wall）It is outside with connection
The electrode contact of power supply, it would be desirable to connect the pipe fitting of elbow, insert the undertaking section of union elbow pipe fitting respectively, then connect external electrical
Source, caused high temperature can melt the polyethylene material of contact rapidly after the heating wire energization of electric smelting welding area, so that two
Pipe fitting connects as one.
Electric smelting bend pipe tools have on-site construction operations simple and are widely used, but the success of electric smelting bend pipe tools connection
Rate nor absolutely, if some large-size pipes（Such as the electric smelting elbow in gas or running water Trunk Line pipe network
Pipe fitting）Leak, it will come with serious consequence.As market is increasing to the needs of electric smelting bend pipe tools, to electric smelting
The requirement of the reliability of bend pipe tools also more and more higher, therefore how electric smelting bend pipe tools improve electric smelting during electric fusion welding
The reliability of welding is those skilled in the art's technical problem urgently to be resolved hurrily.
The content of the invention
The purpose of this utility model is the reliability for improving electric smelting bend pipe tools during electric fusion welding, there is provided in one kind
The formula of inserting double-walled electric smelting bend pipe tools, by setting double-deck electric smelting welding area, with reference to inwall projection mechanical fasteners, effectively improve electric smelting
The reliability of bend pipe tools electric fusion welding during electric fusion welding.
To be achieved through the following technical solutions up to this purpose, the utility model：
A kind of interpolation type double-walled electric smelting bend pipe tools, including elbow is with the horizontal undertaking section for being connected to elbow both ends and vertically
Section is accepted, the horizontal undertaking section is disposed with electric smelting welding area and thickening company from top to bottom with vertical section of accepting from left to right
Adapter, the electric smelting welding area include electric smelting welding outer tube, accept annular space, electric smelting welding inner tube, horizontal segment electrode contact and erect
Straight section electrode contact, the inwall of the electric smelting welding outer tube, which embeds, is wound with outer tube heating wire, outside the electric smelting welding inner tube
Wall is embedded to be wound with inner tube heating wire, and inwall projection is designed with the inwall center for thickening connecting tube along its axis direction,
Dead ring is designed with its outer wall center, the dead ring includes fastening bolt.
Preferably, described thickening connecting tube one end is fixedly connected with electric smelting welding area, and it is complete by 4 to thicken connection tube body
Identical and independent annular thickening wall is formed, and inwall projection is located at annular thickening wall inwall center.
Specifically, when needing the interpolation type double-walled electric smelting bend pipe tools accessing pipe network, outer tube is inserted described in
Between the horizontal electric smelting welding outer tube for accepting section and the vertical electric smelting welding area for accepting section and electric smelting welding inner tube at elbow both ends
In the undertaking annular space of formation, the junction of elbow and electric smelting welding area is spacing to outer tube progress, treats that outer tube is filled out completely
After the full undertaking annular space, external power source is connected with the horizontal segment electrode contact and vertical section electrode contact, it is now, described
Outer tube heating wire and inner tube heating wire carry out electric fusion welding to the outer wall and inwall of outer tube simultaneously, treat that electric fusion welding is completed
Afterwards, the fastening bolt on the dead ring is tightened, forces the inwall projection on annular thickening wall to be adjacent to the outer wall of outer tube, it is right
Outer tube carry out mechanical fasteners, thereby further ensure that electric smelting bend pipe tools during electric fusion welding electric fusion welding it is reliable
Property.
The beneficial effects of the utility model are：A kind of interpolation type double-walled electric smelting bend pipe tools are provided, by setting with double
The electric smelting welding area of wall so that during electric fusion welding, the inner and outer wall of outer tube can be subjected to electro-fusion welding simultaneously
Connect, it is raised with reference to the dead ring and inwall for thickening connecting tube, mechanical fasteners further are carried out to outer tube, compared to conventional monolayers
Electric fusion welding, the utility model further ensure that the reliability of electric smelting bend pipe tools electric fusion welding during electric fusion welding.
Brief description of the drawings
The utility model is described in further detail below according to drawings and examples：
Fig. 1 is a kind of structural representation of interpolation type double-walled electric smelting bend pipe tools described in embodiment；
Fig. 2 is Fig. 1（A—A）Sectional view；
Fig. 3 is the structural representation of electric smelting welding area in Fig. 1；
Fig. 4 is Fig. 1（B—B）Sectional view.
Fig. 1 is into Fig. 4：
1st, elbow；2nd, it is horizontal to accept section；3rd, section is accepted vertically；
4th, electric smelting welding area；41st, electric smelting welding outer tube；411st, outer tube heating wire；42nd, annular space is accepted；43rd, in electric smelting welding
Pipe；431st, inner tube heating wire；
5th, horizontal segment electrode contact；6th, vertical section electrode contact；
7th, connecting tube is thickeied；71st, inwall is raised；72nd, annular thickening wall；
8th, dead ring；81st, fastening bolt.
Embodiment
The technical solution of the utility model is further illustrated below in conjunction with the accompanying drawings.
As shown in figure 1, a kind of interpolation type double-walled electric smelting bend pipe tools, mainly accept 2 by elbow 1, level, accept section vertically
3rd, electric smelting welding area 4, horizontal segment electrode contact 5, vertical section electrode contact 6, thickening connecting tube 7 and dead ring 8 form；It is described curved
First 1 accepts section 2 and vertical section 3 of accepting is fixedly connected with the horizontal of the both ends of elbow 1, described horizontal to accept section 2 from left to right and erect
Straight section 3 of accepting is disposed with electric smelting welding area 4 and thickeies connecting tube 7 from top to bottom.
As shown in Fig. 2 the horizontal section 2 and the vertical electric smelting welding area 4 for accepting section 3 accepted includes electric smelting welding outer tube
41st, annular space 42, electric smelting welding inner tube 43, horizontal segment electrode contact 5 and vertical section electrode contact 6 are accepted.The thickening connecting tube 7
Including inwall projection 71 and annular thickening wall 72.
Specifically, by outer tube insert it is described undertaking annular space 42 in so that the inner and outer wall of outer tube with it is described
The inwall of electric smelting welding outer tube 41 and the outer wall of electric smelting welding inner tube 43 fully contact.
As shown in figure 3, the inwall of the electric smelting welding outer tube 41, which embeds, is wound with outer tube heating wire 411, in electric smelting welding
The outer wall of pipe 43 is embedded to be wound with inner tube heating wire 431.
Specifically, during electric fusion welding, the outer tube heating wire 411 and inner tube heating wire 431 are simultaneously to exterior tube
The outer wall and inwall of part carry out electric fusion welding so that the area of electric fusion welding is bigger, so as to improve the reliable of electric fusion welding
Property.
As shown in figure 4, the thickening body of connecting tube 7 is made up of 4 identical and independent annular thickening walls 72, it is interior
Wall projection 71 is located at inwall center of the annular thickening wall 72 along its axis direction.Thicken and be designed with the outer wall center of connecting tube 7
Dead ring 8, the dead ring 8 include fastening bolt 81.
The step of carrying out pipe fitting connection with the electric smelting bend pipe tools is as follows：
Step A：Outer tube is inserted into the horizontal of the both ends of elbow 1 and accepts section 2 and the vertical electric smelting welding for accepting section 3
In the undertaking annular space 42 formed between the electric smelting welding outer tube 41 and electric smelting welding inner tube 43 in area 4；
Step B：External power source is connected with the horizontal segment electrode contact 5 and vertical section electrode contact 6, it is now, described
Outer tube heating wire 411 and inner tube heating wire 431 carry out electric fusion welding to the outer wall and inwall of outer tube simultaneously；
Step C：After the completion for the treatment of electric fusion welding, the fastening bolt 81 on the dead ring 8 is tightened, forces annular thickening wall 72
On inwall projection 71 be adjacent to the outer wall of outer tube, so as to carry out mechanical fasteners to outer tube；
Step D：Complete the connection operation of the electric smelting bend pipe tools.
It should be appreciated that for those of ordinary skills, can according to the above description be improved or converted,
And all these modifications and variations should all belong to the protection domain of the appended claims for the utility model.
Claims (2)
- A kind of 1. interpolation type double-walled electric smelting bend pipe tools, it is characterised in that：Including elbow（1）Be connected to elbow（1）Both ends Level accepts section（2）Section is accepted with vertical（3）, the horizontal undertaking section（2）Section is accepted from left to right and vertically（3）From top to bottom It is disposed with electric smelting welding area（4）With thickening connecting tube（7）, the electric smelting welding area（4）Including electric smelting welding outer tube（41）、 Accept annular space（42）, electric smelting welding inner tube（43）, horizontal segment electrode contact（5）With vertical section electrode contact（6）, the electric smelting melts Connect outer tube（41）Inwall embedded be wound with outer tube heating wire（411）, the electric smelting welding inner tube（43）The embedded winding of outer wall There is inner tube heating wire（431）, the thickening connecting tube（7）Inwall projection is designed with along the inwall center of its axis direction （71）, dead ring is designed with its outer wall center（8）, the dead ring（8）Including fastening bolt（81）.
- A kind of 2. interpolation type double-walled electric smelting bend pipe tools according to claim 1, it is characterised in that：Thicken connecting tube（7） Body is by 4 identical and independent annular thickening walls（72）Form, inwall is raised（71）Positioned at annular thickening wall（72）It is interior The center of wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721024577.1U CN207094022U (en) | 2017-08-16 | 2017-08-16 | A kind of interpolation type double-walled electric smelting bend pipe tools |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721024577.1U CN207094022U (en) | 2017-08-16 | 2017-08-16 | A kind of interpolation type double-walled electric smelting bend pipe tools |
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| Publication Number | Publication Date |
|---|---|
| CN207094022U true CN207094022U (en) | 2018-03-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721024577.1U Active CN207094022U (en) | 2017-08-16 | 2017-08-16 | A kind of interpolation type double-walled electric smelting bend pipe tools |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107255200A (en) * | 2017-08-16 | 2017-10-17 | 深圳市斯普雷博科技有限公司 | A kind of interpolation type double-walled electric smelting bend pipe tools |
-
2017
- 2017-08-16 CN CN201721024577.1U patent/CN207094022U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107255200A (en) * | 2017-08-16 | 2017-10-17 | 深圳市斯普雷博科技有限公司 | A kind of interpolation type double-walled electric smelting bend pipe tools |
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