CN2586864Y - Electric melting pipe fitting - Google Patents
Electric melting pipe fitting Download PDFInfo
- Publication number
- CN2586864Y CN2586864Y CN 02281487 CN02281487U CN2586864Y CN 2586864 Y CN2586864 Y CN 2586864Y CN 02281487 CN02281487 CN 02281487 CN 02281487 U CN02281487 U CN 02281487U CN 2586864 Y CN2586864 Y CN 2586864Y
- Authority
- CN
- China
- Prior art keywords
- heating wire
- electric heating
- pipe member
- electric
- electric melting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Branch Pipes, Bends, And The Like (AREA)
Abstract
The utility model relates to an electric melting pipe member, which comprises a pipe body and wiring terminals which are arranged on the pipe body. A helical electric heating wire of which both ends are connected with the wiring terminals is embedded in the inner wall of the pipe body. The electric heating wire is composed of a wire core and a semicircular protective sleeve, and one side of the protective sleeve attached to the pipe body is semicircular. The utility model has the advantages that when the electric heating wire is embedded in the inner wall of a pipe member, the thread pitch is uniform. When the pipe member is welded, and plastic melts and flows by a small quantity, the thread pitch of the tightly arranged electric heating wire has no distortion, so as to ensure the welding quality. When one pipe member is inserted into another pipe member, the electric heating wire can not fall off. The electric melting pipe member can be formed in one step in injection process, so no wiring machine is needed. In addition, the production cost is reduced, and the production period is shortened.
Description
Technical field
The utility model belongs to the used pipeline connection pipe fitting of a kind of pipeline construction, particularly a kind of electric melting pipe fittings.
Background technique
Burying that the public pipeline in ground, combustion gas, plumbing connects and during the Operating Pressure construction, conventional method is to seal in lead sealing of pipeline joint or cement.The problem of its existence is the construction complexity, wastes time and energy.Affected by environment easily by etch, and then influence sealing effect.At present; advanced mode adopts electric melting pipe fittings; said electric melting pipe fittings is by the polyethylene body, be arranged on the wiring terminal on the body, the high value of resistance electric heating wire that is coiled on the inboard wall of tube body is made; said electric heating wire is bare wire and is arranged in the wiring groove on the inboard wall of tube body by routing machine that the corresponding lead position is injected with the fusion protective layer on inboard wall of tube body.The electric melting pipe fittings of this structure is when welding, if tube gap is excessive, lead can produce bigger tension force, easily causes the lead short circuit, does not guarantee welding quality.
Summary of the invention
The purpose of this utility model is to solve the problem that existing prior art exists, provide a kind of cost low, can guarantee welding quality, safe and reliable electric melting pipe fittings.
Technical solution of the present utility model is: it has a body, body is provided with tenminal block, its special way is the embedding helical electric heating wire that has two ends to link to each other with tenminal block on inboard wall of tube body, said electric heating wire is made of core and semicircle sheath, and sheath adheres to body one side for semicircle.
The utility model has the advantages that: pitch equalization when (1) electric heating wire embeds pipe fitting inner wall.(2), when welding, can reduce the tension force of lead owing to the expansion coefficient of the electric heating wire that has sheath is less.When pipe fitting welded, when plastic molting and generation were flowed on a small quantity, compact arranged electric heating wire pitch does not distort, and therefore, is difficult for short circuit between the electric heating wire, thereby guarantees welding quality, and was safe and reliable.When (3) pipe fitting and pipeline were pegged graft, electric heating wire did not come off.(4) this electric melting pipe fittings can once-through when injection moulding, need not to use routing machine, has reduced cost of production, has shortened the manufacture cycle.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is an A portion enlarged view among Fig. 1.
Embodiment
As shown in the figure, the utility model has a polyethylene (plastics) body 1, embedding on body 1 inwall have a helical electric heating wire 2, said electric heating wire 2 is made of core 21 and semicircle sheath 22, and sheath 22 adheres to body 1 one sides for semicircle, also be provided with column tenminal block 3 on tube body wall, said electric heating wire terminates on the tenminal block 3 for 2 liang.
Claims (1)
1, a kind of electric melting pipe fittings, comprise body and be arranged on tenminal block on the body, it is characterized in that: the embedding helical electric heating wire that has two ends to link to each other with tenminal block on inboard wall of tube body, said electric heating wire is made of core and semicircle sheath, and sheath adheres to body one side for semicircle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02281487 CN2586864Y (en) | 2002-11-28 | 2002-11-28 | Electric melting pipe fitting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02281487 CN2586864Y (en) | 2002-11-28 | 2002-11-28 | Electric melting pipe fitting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2586864Y true CN2586864Y (en) | 2003-11-19 |
Family
ID=33743850
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02281487 Expired - Fee Related CN2586864Y (en) | 2002-11-28 | 2002-11-28 | Electric melting pipe fitting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2586864Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100578063C (en) * | 2005-04-11 | 2010-01-06 | 南塑建材塑胶制品（深圳）有限公司 | Electrocast saddle shaped plastic pipe fitting with wires laid at double-face and manufacture method thereof |
| CN109058637A (en) * | 2018-09-21 | 2018-12-21 | 江特科技股份有限公司 | Cloth wire form electric melting pipe fittings after a kind of |
-
2002
- 2002-11-28 CN CN 02281487 patent/CN2586864Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100578063C (en) * | 2005-04-11 | 2010-01-06 | 南塑建材塑胶制品（深圳）有限公司 | Electrocast saddle shaped plastic pipe fitting with wires laid at double-face and manufacture method thereof |
| CN109058637A (en) * | 2018-09-21 | 2018-12-21 | 江特科技股份有限公司 | Cloth wire form electric melting pipe fittings after a kind of |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |