CN212900328U - Can improve back wiring electric smelting pipe fitting of heater welding steadiness - Google Patents
Can improve back wiring electric smelting pipe fitting of heater welding steadiness Download PDFInfo
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- CN212900328U CN212900328U CN202021869865.9U CN202021869865U CN212900328U CN 212900328 U CN212900328 U CN 212900328U CN 202021869865 U CN202021869865 U CN 202021869865U CN 212900328 U CN212900328 U CN 212900328U
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Abstract
The application discloses a rear wiring electric melting pipe fitting capable of improving welding stability of a heating wire, which comprises a pipe body, a connecting terminal and the heating wire, wherein one end of the connecting terminal is embedded in the pipe body, the heating wire is embedded in the inner side wall of the pipe body, and one end of the heating wire is connected with the connecting terminal; the other end of the connecting terminal is provided with a conical part, and a limiting connecting hole is formed in the conical part; set up the through hole of stepping down with spacing connecting hole intercommunication along its axial direction on the connecting terminal, heater one end runs through in proper order and runs through the hole of stepping down and spacing connecting hole and stretch out in the spacing connecting hole outside, and is equipped with the body of welding as an organic whole with heater one end and connecting terminal welding between heater one end and connecting terminal. This application is through welding heater and connecting terminal to make and form the welding body between heater one end and connecting terminal, thereby be favorable to guaranteeing that connecting terminal after the welding melts completely as an organic whole with the heater, and then be favorable to increasing substantially the steadiness of welding the heater, so that further satisfy the in-service use demand.
Description
Technical Field
The utility model relates to a technical field of back wiring electric smelting pipe fitting relates to a can improve back wiring electric smelting pipe fitting of heater welding steadiness particularly.
Background
At present, most of connection modes of a heating wire on an existing rear wiring electric melting pipe fitting and a connection terminal for electrifying are that a connection through hole is formed in the connection terminal, then the heating wire is inserted into the connection through hole, then the heating wire is wound on the connection terminal, and finally the heating wire is embedded into a pipe body to complete pipe fitting forming.
However, the conventional connection method is likely to damage the heating wire, and thus poor welding such as short circuit or open circuit may occur during welding of the electrofusion pipe and the pipe, and therefore, it is urgently required to develop a post-wiring electrofusion pipe capable of improving welding stability of the heating wire to meet practical use requirements.
SUMMERY OF THE UTILITY MODEL
The above-mentioned prior art problem that this application will be solved is directed against provides a back wiring electric smelting pipe fitting that can improve heater welding steadiness.
In order to solve the technical problem, the method is realized by the following technical scheme:
a rear wiring electric melting pipe fitting capable of improving welding stability of a heating wire comprises a pipe body, a connecting terminal and the heating wire, wherein one end of the connecting terminal is embedded in the pipe body, the heating wire is embedded in the side wall of the inner portion of the pipe body, one end of the heating wire is connected with the connecting terminal, a conical portion is arranged at the other end of the connecting terminal, and a limiting connecting hole is formed in the conical portion;
the connecting terminal on follow its axial direction seted up with the hole of stepping down that link up that spacing connecting hole is linked together, heater one end runs through in proper order the link up step down the hole with spacing connecting hole just stretch out in the spacing connecting hole outside, just heater one end with be equipped with between the connecting terminal with heater one end with connecting terminal welds the welding body as an organic whole.
Can improve back wiring electric smelting pipe fitting of heater welding steadiness as above, link up and give way the hole aperture size and be greater than spacing connecting hole aperture size.
Can improve back wiring electric smelting pipe fitting of heater welding steadiness as above, the connection terminal end inlays to be located one end outside in the body is equipped with the bellying outside protruding in order to be used for consolidating the connection.
According to the rear wiring electric melting pipe fitting capable of improving the welding stability of the heating wire, the number of the protruding parts is multiple, and the protruding parts are arranged at intervals along the axial direction of the connecting terminal.
According to the rear wiring electric melting pipe fitting capable of improving the welding stability of the heating wire, the protruding part is in an inverted cone shape.
Can improve back wiring electric smelting pipe fitting of heater welding steadiness as above, set up on the body and be located connecting terminal inboard and in link up the hole of stepping down and be linked together in order to be used for stepping down heater one end alternates to link up the downthehole body hole of stepping down.
According to the rear wiring electric melting pipe fitting capable of improving the welding stability of the heating wire, the outer side wall of the pipe body is provided with the hollow protruding portion protruding outwards and used for surrounding the other end of the connecting terminal.
According to the rear wiring electric melting pipe fitting capable of improving the welding stability of the heating wire, the connecting terminal and the heating wire are made of copper materials.
Compared with the prior art, the application has the following advantages:
this application can improve in the back wiring electric smelting pipe fitting of heater welding steadiness heater one end runs through in proper order link up the hole of stepping down with spacing connecting hole just stretch out in the spacing connecting hole outside, and pass through spacing connecting hole is with spacing the heater, then adopt argon arc welding again the heater with connecting terminal, so that heater one end with form between connecting terminal the welding body to be favorable to guaranteeing after the argon arc welding connecting terminal with the heater melts completely as an organic whole, and then not only is favorable to increasing substantially the welding the steadiness of heater, and still can reach no welding seam and do not have the smooth pleasing to the eye effect of unnecessary solder welding.
Drawings
Fig. 1 is a partial cross-sectional view of a rear wiring electric melting pipe fitting capable of improving welding stability of a heating wire.
Fig. 2 is a partial enlarged view i of fig. 1.
Fig. 3 is a cross-sectional view of the rear wiring electrofusion pipe fitting for improving welding stability of the heater, in which the heater is connected to the inside of the connection terminal.
Fig. 4 is a partial enlarged view ii of fig. 3.
Fig. 5 is a cross-sectional view of the connection terminal in the rear wiring electrofusion pipe fitting which can improve the welding stability of the heating wire according to the present application.
Detailed Description
The present application will be described in further detail below with reference to the accompanying drawings by way of specific embodiments.
As shown in fig. 1-5, a rear wiring electric melting pipe fitting capable of improving welding stability of a heating wire comprises a pipe body 1, a connecting terminal 2 embedded in the pipe body 1, and a heating wire 3 embedded in the pipe body 1, wherein one end of the heating wire is connected with the connecting terminal 2, and the side wall and one end of the inner side wall of the pipe body are connected with the heating wire. A conical part 21 is arranged at the other end of the connecting terminal 2, and a limiting connecting hole 211 is formed in the conical part 21; connect terminal 2 go up along its axial direction seted up with the hole 22 of stepping down that link up that spacing connecting hole 211 is linked together, 3 one end of heater runs through in proper order the hole 22 of stepping down that link up with spacing connecting hole 211 just stretch out in the spacing connecting hole 211 outside, just 3 one end of heater with connect terminal 2 within a definite time be equipped with 3 one end of heater with connect terminal 2 welds welding body 4 as an organic whole.
This application 3 one end of heater runs through in proper order link up hole 22 of stepping down with spacing connecting hole 211 and stretch out in the spacing connecting hole 211 outside, and pass through spacing connecting hole 211 is with spacing heater 3, then adopt argon arc welding again heater 3 with connecting terminal 2, so that heater 3 one end with form between connecting terminal 2 the welding body 4 to be favorable to guaranteeing after the argon arc welding connecting terminal 2 with heater 3 melts completely as an organic whole, and then not only is favorable to increasing substantially the welding the steadiness of heater 3, and still can reach the smooth pleasing to the eye effect of no welding seam and no unnecessary solder welding.
Further, the aperture size of the through abdicating hole 22 is larger than that of the limiting connecting hole 211. The advantage is that the heating wire 3 can be inserted conveniently and rapidly.
Furthermore, the end of the connection terminal 2 is embedded in the tube body 1, and a protruding portion 23 protruding outwards for reinforcing connection is arranged at the outer side of the end. The number of the projections 23 is plural, and the projections are arranged at intervals in the axial direction of the connection terminal 2. And each of the convex portions 23 is formed in an inverted cone shape. Its advantage lies in guaranteeing connecting terminal 2 is impressed behind body 1, form the back-off and set up the effect, if there is external force right connecting terminal 2 during the effect, also be difficult for leading to not hard up or connect insecure and cause bad phenomena such as pipe fitting and pipe welding in-process short circuit, open circuit, and then can improve back wiring electric smelting pipe fitting welding's reliability greatly to make outstanding good joining effect.
Furthermore, set up on the body 1 and be located connecting terminal 2 is inboard and in link up the hole of stepping down 22 and be linked together and be used for stepping down 3 one end of heater alternates to the body hole of stepping down 101 in the hole of stepping down 22 link up. Adopt the hole 101 is stepped down to the body the purpose of hole is convenient the heater 3 alternates to in connecting terminal 2.
Furthermore, the outer sidewall of the tube body 1 is provided with a hollow protrusion 102 protruding outwards and surrounding the other end of the connection terminal 2. The purpose is with satisfy the in-service use demand, also can form guard action to the connecting terminal 2 simultaneously.
Furthermore, the connecting terminal 2 and the heating wire 3 are made of copper materials. Its advantage is high electric conductivity of copper.
As described above, the embodiments of the present application have been described in detail, but the present application is not limited to the above embodiments. Even if various changes are made in the present application, the protection scope of the present application is still included.
Claims (8)
1. The utility model provides a can improve back wiring electric smelting pipe fitting of heater welding steadiness, includes that body (1), one end inlay and locate connecting terminal (2) in body (1), and inlay and locate body (1) inside lateral wall and one end with heater (3) that connecting terminal (2) are connected, its characterized in that: a conical part (21) is arranged at the other end of the connecting terminal (2), and a limiting connecting hole (211) is formed in the conical part (21);
connect terminal (2) go up along its axial direction seted up with spacing connecting hole (211) are linked together link up hole (22) of stepping down, heater (3) one end runs through in proper order link up hole (22) of stepping down with spacing connecting hole (211) just stretch out in the spacing connecting hole (211) outside, just heater (3) one end with be equipped with between connecting terminal (2) with heater (3) one end with connecting terminal (2) welding body (4) as an organic whole.
2. The back wiring electric melting pipe fitting capable of improving welding stability of the heating wire according to claim 1, characterized in that: the aperture size of the through abdicating hole (22) is larger than that of the limiting connecting hole (211).
3. The back wiring electric melting pipe fitting capable of improving welding stability of the heating wire according to claim 1, characterized in that: connecting terminal (2) inlay and locate one end outside in body (1) is equipped with outside protruding bellying (23) in order to be used for the reinforcement to connect.
4. The back wiring electric melting pipe fitting capable of improving welding stability of the heating wire according to claim 3, characterized in that: the number of the convex parts (23) is multiple, and the convex parts are arranged at intervals along the axial direction of the connecting terminal (2).
5. The back wiring electric melting pipe fitting capable of improving welding stability of the heating wire according to claim 3, characterized in that: the shape of the convex part (23) is inverted cone.
6. The back wiring electric melting pipe fitting capable of improving welding stability of the heating wire according to claim 1, characterized in that: set up on body (1) and be located connecting terminal (2) are inboard and in link up hole (22) of stepping down and be linked together in order to be used for stepping down heater (3) one end alternates to body hole (101) of stepping down in the hole (22) of stepping down link up.
7. The back wiring electric melting pipe fitting capable of improving welding stability of the heating wire according to claim 1, characterized in that: the outer side wall of the pipe body (1) is provided with a hollow protruding part (102) which protrudes outwards and is used for surrounding the other end of the connecting terminal (2).
8. The back wiring electric melting pipe fitting capable of improving welding stability of the heating wire according to claim 1, characterized in that: the connecting terminal (2) and the heating wire (3) are made of copper materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021869865.9U CN212900328U (en) | 2020-08-31 | 2020-08-31 | Can improve back wiring electric smelting pipe fitting of heater welding steadiness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021869865.9U CN212900328U (en) | 2020-08-31 | 2020-08-31 | Can improve back wiring electric smelting pipe fitting of heater welding steadiness |
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| Publication Number | Publication Date |
|---|---|
| CN212900328U true CN212900328U (en) | 2021-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021869865.9U Active CN212900328U (en) | 2020-08-31 | 2020-08-31 | Can improve back wiring electric smelting pipe fitting of heater welding steadiness |
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| CN (1) | CN212900328U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113124253A (en) * | 2021-05-24 | 2021-07-16 | 港华辉信工程塑料(中山)有限公司 | Electric smelting elbow pipe fitting with structure is accomodate to heating wire |
-
2020
- 2020-08-31 CN CN202021869865.9U patent/CN212900328U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113124253A (en) * | 2021-05-24 | 2021-07-16 | 港华辉信工程塑料(中山)有限公司 | Electric smelting elbow pipe fitting with structure is accomodate to heating wire |
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