CN205026283U - Novel PE electric smelting pipe fitting of variable -pitch resistance wire - Google Patents
Novel PE electric smelting pipe fitting of variable -pitch resistance wire Download PDFInfo
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- CN205026283U CN205026283U CN201520749061.8U CN201520749061U CN205026283U CN 205026283 U CN205026283 U CN 205026283U CN 201520749061 U CN201520749061 U CN 201520749061U CN 205026283 U CN205026283 U CN 205026283U
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- resistance wire
- intervalve
- electrode
- pitch
- pipe fitting
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Abstract
The utility model discloses a novel PE electric smelting pipe fitting of variable -pitch resistance wire relates to electric smelting pipe fitting technical field, has solved tubular product and the unsatisfactory technical problem of welding effect that a diameter can only be connected to each end of current capacitance tube spare, the utility model discloses a pipe fitting, pipe fitting be the big integrated into one piece's in middle little both ends ladder pipe, pipe fitting includes that intervalve and the extension that sets up at intervalve both ends take over, the inner wall of intervalve on the equipartition have resistance wire no. 1, both ends all are equipped with electrode no. 1 on the intervalve outer wall, an electrode no. 1 and a resistance wire intercommunication, the inner wall taken over of extension on the equipartition have resistance wire no. 2, be provided with electrode no. 2 on the outer wall that the extension was taken over, resistance wire no. 2 and two intercommunications at the electrode, be provided with 2 viewing apertures on the intervalve, resistance wire no. 1 distributes in the intervalve for the variable -pitch, the pitch at a resistance wire middle part is greater than the pitch at both ends, the power supply provided by the utility model is simple in structure, and is safe and reliable.
Description
Technical field
The utility model relates to electric melting pipe fittings technical field, relates to a kind of PE electric melting pipe fittings of novel variable pitch resistance wire more specifically.
Background technique
Electric melting pipe fittings is referred to the temperature that can be produced by electric current and melts a kind of plastic tube accessory reaching connection.
Along with the quick propelling of China's urbanization progress, simultaneously to the continuous lifting of the energy and environmental requirement, the plastic pipes such as polythene PE are due to the comprehensive advantage such as anticorrosion, environmental protection, easy construction, reliable performance of its excellence, on a large scale substitute traditional metallic conduit, giving, draining, the fluid-transporting tubing field such as combustion gas be widely applied.
Tubing will be inserted in electric melting pipe fittings two ends, and for connecting, the diameter at electric melting pipe fittings two ends is identical mostly now, also only has a kind of fit system, and electric melting pipe fittings one end can only connect a kind of tubing that pipe diameter size adapts in succession, and flexibility and practicability are not strong.
At present, the existing heating resistance wire being embedded in adapter body inwall embeds adapter body inwall in complete or large portion twist.Resistance wire is symmetrically distributed in the left and right sides with adapter body axial centre face.One-sided different by effect, be divided into outside transition zone, the middle welding zone being embedded with heating resistance wire and three regions, inner transition district.Wherein, heating resistance wire in middle welding zone is uniform pitch distribution, owing to being subject to this structural limitations, the middle part of middle welding zone and two end part heat transmit performance very large difference, middle part is caused to have very large drop with the temperature at two end part, cause actual welding region not enough, cause the hidden danger of quality that weld strength is inadequate.
Summary of the invention
In order to overcome above-mentioned technical deficiency, the reducing PE electric melting pipe fittings that the utility model provides a kind of structure simple, stair-stepping, practical.
The utility model to achieve these goals concrete by the following technical solutions:
A kind of PE electric melting pipe fittings of novel variable pitch resistance wire, comprise main pipe body, described main pipe body is the large integrated ladder pipes in middle little two ends, main pipe body comprises intervalve and is arranged on the expansion adapter at intervalve two ends, described intervalve is that arc is excessively connected with expanding the attachment portion taken over, the inwall of described intervalve is evenly equipped with resistance wire one, on intervalve outer wall, two ends are equipped with electrode one, described two electrodes one are communicated with resistance wire one two ends, the inwall of described each expansion adapter is provided with resistance wire two, the outer wall of each expansion adapter is provided with electrode two, resistance wire two is communicated with corresponding electrode two, described intervalve is provided with 2 observation panels, described resistance wire one is distributed in intervalve for variable pitch, pitch in the middle part of described resistance wire one is greater than the pitch at two ends.
Further, described each expansion adapter is provided with 1 observation panel.
Further, described electrode one and the outer all sheathed electrode protection cover of electrode two.
Further, the internal diameter of described intervalve is 10 ~ 15cm, and the internal diameter of expansion adapter is 20 ~ 25cm.
The beneficial effects of the utility model are as follows:
The utility model structure is simple, compared to existing technology, the utility model have employed the design changed for pitch at the resistance wire one of described intervalve, both sides, electric melting pipe fittings welding zone dissipated heat can be compensated, effective increase welding zone length, improve the weld strength of electric melting pipe fittings, ensure that the welding quality of electric melting pipe fittings, further increase the safety in utilization of buried pipeline.
Main pipe body is the large ladder pipes in middle little two ends, the diameter of this intervalve is less than the diameter of expansion adapter, when needing the tubing connecting pipe with small pipe diameter, tubing is inserted in intervalve, electrode one is communicated with electro-fusion welding machine, the tubing realizing pipe with small pipe diameter connects, and when needing the tubing connecting Large Diameter Pipeline, tubing is inserted in expansion adapter, electrode two is communicated with electro-fusion welding machine, the tubing realizing Large Diameter Pipeline connects, and structure is simple, practical;
Main pipe body is the large integrated ladder pipes in middle little two ends, this structure facilitates manufacturing, main pipe body comprises intervalve and is arranged on the expansion adapter at intervalve two ends, described intervalve is that arc is excessively connected with expanding the attachment portion taken over, this arc excessively connects to eliminate to be concentrated because right angle connects the stress caused, and extends the working life of electric melting pipe fittings.
Accompanying drawing explanation
Fig. 1 is the structural representation of the PE electric melting pipe fittings of a kind of novel variable pitch resistance wire of the utility model;
Fig. 2 is structural representation when connecing path tubing;
Fig. 3 is structural representation when connecing large-diameter pipe material;
Reference character: 1-main pipe body, 1-1-intervalve, 1-2-expands adapter, 2-electrode protection cover, 3-electrode one, 4-observation panel, 5-resistance wire one, 7-resistance wire two, 8-electrode two.
Embodiment
In order to those skilled in the art person better understands the utility model, below in conjunction with accompanying drawing and following examples, the utility model is described in further detail.
Embodiment 1
As shown in Fig. 1 to 3, the present embodiment provides a kind of PE electric melting pipe fittings of novel variable pitch resistance wire, comprise main pipe body 1, described main pipe body 1 is the large integrated ladder pipes in middle little two ends, main pipe body 1 comprises intervalve 1-1 and is arranged on the expansion adapter 1-2 at intervalve 1-1 two ends, described intervalve 1-1 is that arc is excessively connected with the attachment portion of expansion adapter 1-2, the inwall of described intervalve 1-1 is evenly equipped with resistance wire 1, on intervalve 1-1 outer wall, two ends are equipped with electrode 1, described two electrodes 1 are communicated with resistance wire 1 two ends, the inwall of described each expansion adapter 1-2 is provided with resistance wire 27, the outer wall of each expansion adapter 1-2 is provided with electrode 28, resistance wire 27 is communicated with corresponding electrode 28, described intervalve 1-1 is provided with 2 observation panels 4, described resistance wire 1 is distributed in intervalve 1-1 for variable pitch, pitch in the middle part of described resistance wire 1 is greater than the pitch at two ends.
In the present embodiment, main pipe body is the large ladder pipes in middle little two ends, and the diameter of this intervalve is less than the diameter of expansion adapter, when needing the tubing connecting pipe with small pipe diameter, tubing is inserted in intervalve, and electrode one is communicated with electro-fusion welding machine, and the tubing realizing pipe with small pipe diameter connects, when needing the tubing connecting Large Diameter Pipeline, tubing is inserted in expansion adapter, and electrode two is communicated with electro-fusion welding machine, and the tubing realizing Large Diameter Pipeline connects, structure is simple, practical;
Main pipe body is the large integrated ladder pipes in middle little two ends, this structure facilitates manufacturing, main pipe body comprises intervalve and is arranged on the expansion adapter at intervalve two ends, described intervalve is that arc is excessively connected with expanding the attachment portion taken over, this arc excessively connects to eliminate to be concentrated because right angle connects the stress caused, and extends the working life of electric melting pipe fittings.
Embodiment 2
As shown in Fig. 1 to 3, the present embodiment provides a kind of PE electric melting pipe fittings of novel variable pitch resistance wire, comprise main pipe body 1, described main pipe body 1 is the large integrated ladder pipes in middle little two ends, main pipe body 1 comprises intervalve 1-1 and is arranged on the expansion adapter 1-2 at intervalve 1-1 two ends, described intervalve 1-1 is that arc is excessively connected with the attachment portion of expansion adapter 1-2, the inwall of described intervalve 1-1 is evenly equipped with resistance wire 1, on intervalve 1-1 outer wall, two ends are equipped with electrode 1, described two electrodes 1 are communicated with resistance wire 1 two ends, the inwall of described each expansion adapter 1-2 is provided with resistance wire 27, the outer wall of each expansion adapter 1-2 is provided with electrode 28, resistance wire 27 is communicated with corresponding electrode 28, described intervalve 1-1 is provided with 2 observation panels 4, described resistance wire 1 is distributed in intervalve 1-1 for variable pitch, pitch in the middle part of described resistance wire 1 is greater than the pitch at two ends.
Described each expansion adapter 1-2 is provided with 1 observation panel.
Embodiment 3
As shown in Fig. 1 to 3, the present embodiment provides a kind of PE electric melting pipe fittings of novel variable pitch resistance wire, comprise main pipe body 1, described main pipe body 1 is the large integrated ladder pipes in middle little two ends, main pipe body 1 comprises intervalve 1-1 and is arranged on the expansion adapter 1-2 at intervalve 1-1 two ends, described intervalve 1-1 is that arc is excessively connected with the attachment portion of expansion adapter 1-2, the inwall of described intervalve 1-1 is evenly equipped with resistance wire 1, on intervalve 1-1 outer wall, two ends are equipped with electrode 1, described two electrodes 1 are communicated with resistance wire 1 two ends, the inwall of described each expansion adapter 1-2 is provided with resistance wire 27, the outer wall of each expansion adapter 1-2 is provided with electrode 28, resistance wire 27 is communicated with corresponding electrode 28, described intervalve 1-1 is provided with 2 observation panels 4, described resistance wire 1 is distributed in intervalve 1-1 for variable pitch, pitch in the middle part of described resistance wire 1 is greater than the pitch at two ends.
Described electrode 1 and the outer all sheathed electrode protection cover 2 of electrode 28.
Embodiment 4
As shown in Fig. 1 to 3, the present embodiment provides a kind of PE electric melting pipe fittings of novel variable pitch resistance wire, comprise main pipe body 1, described main pipe body 1 is the large integrated ladder pipes in middle little two ends, main pipe body 1 comprises intervalve 1-1 and is arranged on the expansion adapter 1-2 at intervalve 1-1 two ends, described intervalve 1-1 is that arc is excessively connected with the attachment portion of expansion adapter 1-2, the inwall of described intervalve 1-1 is evenly equipped with resistance wire 1, on intervalve 1-1 outer wall, two ends are equipped with electrode 1, described two electrodes 1 are communicated with resistance wire 1 two ends, the inwall of described each expansion adapter 1-2 is provided with resistance wire 27, the outer wall of each expansion adapter 1-2 is provided with electrode 28, resistance wire 27 is communicated with corresponding electrode 28, described intervalve 1-1 is provided with 2 observation panels 4, described resistance wire 1 is distributed in intervalve 1-1 for variable pitch, pitch in the middle part of described resistance wire 1 is greater than the pitch at two ends.
Described electrode 1 and the outer all sheathed electrode protection cover 2 of electrode 28.
The internal diameter of described intervalve 1-1 is 10 ~ 15cm, and the internal diameter of expansion adapter 1-2 is 20 ~ 25cm.
The above; be only preferred embodiment of the present utility model; not in order to limit the utility model; scope of patent protection of the present utility model is as the criterion with claims; the equivalent structure change that every utilization specification of the present utility model and accompanying drawing content are done, in like manner all should be included in protection domain of the present utility model.
Claims (4)
1. the PE electric melting pipe fittings of a novel variable pitch resistance wire, comprise main pipe body (1), it is characterized in that, described main pipe body (1) is the large integrated ladder pipe in middle little two ends, main pipe body (1) comprises intervalve (1-1) and is arranged on expansion adapter (1-2) at intervalve (1-1) two ends, the attachment portion that described intervalve (1-1) takes over (1-2) with expansion is that arc is excessively connected, the inwall of described intervalve (1-1) is evenly equipped with resistance wire one (5), on intervalve (1-1) outer wall, two ends are equipped with electrode one (3), described two electrodes one (3) are communicated with resistance wire one (5) two ends, the inwall of described each expansion adapter (1-2) is evenly equipped with resistance wire two (7), the outer wall of expansion adapter (1-2) is provided with electrode two (8), resistance wire two (7) is communicated with electrode two (8), described intervalve (1-1) is provided with 2 observation panels (4), described resistance wire one (5) is distributed in intervalve (1-1) for variable pitch, the pitch at described resistance wire one (5) middle part is greater than the pitch at two ends.
2. the PE electric melting pipe fittings of novel variable pitch resistance wire according to claim 1, is characterized in that, described each expansion adapter (1-2) is provided with 1 observation panel.
3. the PE electric melting pipe fittings of novel variable pitch resistance wire according to claim 1, is characterized in that, described electrode one (3) and electrode two (8) be all sheathed electrode protection cover (2) outward.
4. the PE electric melting pipe fittings of novel variable pitch resistance wire according to claim 1, is characterized in that, the internal diameter of described intervalve (1-1) is 10 ~ 15cm, and the internal diameter of expansion adapter (1-2) is 20 ~ 25cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520749061.8U CN205026283U (en) | 2015-09-25 | 2015-09-25 | Novel PE electric smelting pipe fitting of variable -pitch resistance wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520749061.8U CN205026283U (en) | 2015-09-25 | 2015-09-25 | Novel PE electric smelting pipe fitting of variable -pitch resistance wire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205026283U true CN205026283U (en) | 2016-02-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520749061.8U Expired - Fee Related CN205026283U (en) | 2015-09-25 | 2015-09-25 | Novel PE electric smelting pipe fitting of variable -pitch resistance wire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205026283U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109210306A (en) * | 2018-08-24 | 2019-01-15 | 洛阳沃虹石化设备有限公司 | Welding double-skin duct electric smelting threeway and its mold and production technology can be prepared simultaneously |
-
2015
- 2015-09-25 CN CN201520749061.8U patent/CN205026283U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109210306A (en) * | 2018-08-24 | 2019-01-15 | 洛阳沃虹石化设备有限公司 | Welding double-skin duct electric smelting threeway and its mold and production technology can be prepared simultaneously |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160210 Termination date: 20160925 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |