CN210266361U - Electric melting pipe fitting with observation hole assembly and observation hole assembly - Google Patents
Electric melting pipe fitting with observation hole assembly and observation hole assembly Download PDFInfo
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- CN210266361U CN210266361U CN201920964486.9U CN201920964486U CN210266361U CN 210266361 U CN210266361 U CN 210266361U CN 201920964486 U CN201920964486 U CN 201920964486U CN 210266361 U CN210266361 U CN 210266361U
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Abstract
The application discloses electric smelting pipe fitting and observation hole subassembly with observe hole subassembly relates to and buries ground plastic conduit. The electric smelting pipe fitting includes: PE main part, heating wire, terminal and observation hole subassembly. The observation hole assembly corresponds to each observation hole and is used for being assembled in each observation hole so as to observe the welding quality when the electric smelting pipe fittings are welded, and the observation hole assembly comprises: a shell, an observation post and a memory alloy piece. When the electric melting pipe fittings are welded, the memory alloy fittings are arranged in the corresponding observation holes and are configured to be heated and stretched and push out the observation columns; after the electric melting pipe fitting is welded, the memory alloy part is further configured to be cooled and recovered, so that the memory alloy part and the observation column are accommodated in the shell, and the observation hole assembly is taken out from the corresponding observation hole to be recycled. The application can simplify the die, and the corresponding structure on the die is not easy to damage. This application does not receive the influence of the depth of observation hole, so solved the observation hole and had the car and leak the problem of risk and the unevenness that the observation hole goes out at welding process.
Description
Technical Field
The application relates to a buried plastic pipeline, in particular to an electric melting pipe fitting with an observation hole assembly and the observation hole assembly.
Background
At present, in the field of fluid conveying pipelines such as gas pipelines, common pipelines are steel metal pipelines and plastic pipelines made of Polyethylene (PE). Among them, metal pipes are generally used for medium and high pressure fluid transportation systems, and plastic pipes are generally used for low pressure fluid transportation. The plastic pipeline is a buried pipeline and comprises a plastic pipe and a plastic pipe fitting.
The electric melting pipe fitting is used for connecting plastic pipes and comprises a PE main body, an electric heating wire, a binding post and an observation hole component. The observation hole member is formed in the PE body, and has an observation hole and an observation post. The viewing apertures are formed in the PE body and arranged radially thereof. The observation post is accommodated in the observation hole and is fixedly connected with the observation hole. There is a gap between the observation hole and the observation post. When the electric melting pipe fittings are welded, the electric heating wires are heated to melt the electric melting pipe fittings and the pipes in the area, and the observation columns are heated to emerge, so that the welding quality is observed.
Because the observation hole component of the existing electric melting pipe fitting is formed by injection molding with the PE main body, the structure of the mold is complex, and the observation hole component on the mold is easy to damage. And the depth of the existing observation hole is also influenced by the pipe fitting processing technology, the observation hole is deep, the problem of vehicle leakage exists during the rear wiring, the observation hole is shallow, and the observation hole can not emerge during the welding. This results in unstable viewing of different products produced by the same mold.
SUMMERY OF THE UTILITY MODEL
It is an object of the present application to overcome the above problems or to at least partially solve or mitigate the above problems.
According to an aspect of the present application, there is provided an electrofusion pipe fitting with a viewing port assembly, comprising:
the PE main body is hollow and communicated with each other, two electric melting ports are formed in the PE main body and used for accommodating and connecting corresponding pipes in an electric melting mode, and two observation holes are formed in the PE main body;
the electric heating wire is embedded into the inner walls of the PE main bodies corresponding to the two electric melting ports and is configured to electrically melt and weld the electric melting pipe fitting and the pipe together in an electric conduction state;
the binding posts are correspondingly arranged at the two electric melting ports, are respectively connected with the two ends of the electric heating wire and are used for connecting an external welding machine; and
an observation hole assembly corresponding to each observation hole for fitting in each observation hole to observe welding quality when the electrofusion pipe fittings are welded, comprising: the observation column and the memory alloy piece are accommodated in the shell from top to bottom;
when the electrofusion pipe fittings are welded, the memory alloy fittings are installed in the corresponding observation holes and are configured to be heated and stretched and eject the observation columns; after the electric melting pipe fitting is welded, the memory alloy part is further configured to be cooled and recovered, so that the memory alloy part and the observation column are accommodated in the shell, and the observation hole assembly is taken out from the corresponding observation hole to be recycled.
Optionally, the memory alloy piece is a memory alloy sheet or a memory alloy spring.
Optionally, the memory alloy member is a nickel-titanium memory alloy, a copper-based memory alloy, or an iron-based memory alloy.
Optionally, the viewing column is made of plastic or metal.
Optionally, each viewing hole is arranged at an inner side of the corresponding terminal post.
According to another aspect of the present application, there is provided a porthole assembly, corresponding to each porthole in an electrofusion pipe fitting, for fitting within each porthole to observe welding quality when said electrofusion pipe fitting is welded, comprising: the memory alloy part is arranged in the corresponding observation hole and is configured to be heated and stretched to eject the observation column when the electrofusion pipe fitting is welded; after the electric melting pipe fitting is welded, the memory alloy part is further configured to be cooled and recovered, so that the memory alloy part and the observation column are accommodated in the shell, and the observation hole assembly is taken out from the corresponding observation hole to be recycled.
Optionally, the memory alloy piece is a memory alloy sheet or a memory alloy spring.
Optionally, the memory alloy member is a nickel-titanium memory alloy, a copper-based memory alloy, or an iron-based memory alloy.
Optionally, the viewing column is made of plastic or metal.
The utility model provides an electric smelting pipe fitting and observation punch combination spare with observe punch combination spare, because observe punch combination spare is a part outside being independent of electric smelting pipe fitting, need not consider this part structure when the moulding plastics of electric smelting pipe fitting PE main part, correspond the mould part only need consider observe the punch combination spare can, consequently can simplify the mould, and the observation punch combination spare on the mould is difficult to damage. In addition, because the observation hole component is a component independent of the electric melting pipe fitting, the observation function of the observation hole component depends on the memory function of the memory alloy component and is not influenced by the depth of the observation hole, the problems that the electric melting pipe fitting in the prior art has a vehicle leakage risk in the observation hole in the wiring process and the observation hole is not uniform in the welding process are solved. In addition, the viewing port assembly also has a reusable function.
The above and other objects, advantages and features of the present application will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.
Drawings
Some specific embodiments of the present application will be described in detail hereinafter by way of illustration and not limitation with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:
fig. 1 is a schematic cross-sectional view of an electrofusion pipe fitting with a sight hole assembly according to an embodiment of the present application;
FIG. 2 is a schematic cross-sectional view of a room temperature condition of a viewing port assembly according to one embodiment of the present application;
FIG. 3 is a schematic cross-sectional view of the viewing port assembly of FIG. 2 after being heated;
FIG. 4 is a schematic cross-sectional view of a room temperature condition of a viewing port assembly according to another embodiment of the present application;
FIG. 5 is a schematic cross-sectional view of the viewing port assembly of FIG. 4 after being heated.
The symbols in the drawings represent the following meanings:
100 electrofusion tube with a view port assembly,
10PE body, 11 observation holes, 12 electrofusion ports,
20 heating wires are arranged in the heating wire,
30 of the connecting posts, and a connecting post,
40 to view the assembly of orifices,
41 housing, 42 viewing post, 43 memory alloy member.
Detailed Description
Fig. 1 is a schematic cross-sectional view of an electrofusion pipe fitting with a sight hole assembly according to one embodiment of the present application. FIG. 2 is a schematic cross-sectional view of a room temperature condition of a viewing port assembly according to one embodiment of the present application. FIG. 3 is a schematic cross-sectional view of the viewing port assembly of FIG. 2 after being heated. FIG. 4 is a schematic cross-sectional view of a room temperature condition of a viewing port assembly according to another embodiment of the present application. FIG. 5 is a schematic cross-sectional view of the viewing port assembly of FIG. 4 after being heated.
As shown in fig. 1, and also in fig. 2-5, the present embodiment provides an electrofusion pipe fitting 100 with a viewing port 11 assembly, which may generally include: a PE body 10, a heating wire 20, a terminal post 30, and a viewing hole assembly 40. The PE main body 10 is hollow inside and communicates with each other. The PE body 10 has two electrofusion ports 12 therein for receiving and electrofusion joining corresponding tubing (not shown). The PE body 10 has two viewing apertures 11 therein. The heating wire 20 is embedded in the inner wall of the PE body 10 corresponding to the two electrofusion ports 12, and is configured to electrofusion weld the electrofusion pipe fitting 100 and the pipe together in an electrically conductive state. The terminals 30 are correspondingly installed at the two electric melting ports 12, and are respectively connected with two ends of the heating wire 20 for connecting an external welding machine (not shown). A viewing hole assembly 40 is corresponding to each viewing hole 11 for fitting in each viewing hole 11 to observe the welding quality when said electrofusion pipe fittings 100 are welded. The viewing port assembly 40 includes: a housing 41, and a viewing column 42 and a memory alloy member 43 accommodated in the housing 41 from top to bottom. Wherein, when the electrofusion pipe fittings 100 are welded, the memory alloy pieces 43 are installed in the corresponding observation holes 11 and configured to be heated and extended and eject the observation columns 42; after the electric melting pipe fitting 100 is welded, the memory alloy piece 43 is further configured to be cooled and restored, so that the memory alloy piece 43 and the observation post 42 are accommodated in the housing 41, and the observation hole assembly 40 is taken out from the corresponding observation hole 11 for recycling. More specifically, the transformation temperature of the memory alloy piece 43 used is between 80 ℃ and 150 ℃.
In specific implementation, before the electric melting pipe fitting 100 is welded, the observation hole assembly 40 is placed in the observation hole 11 reserved in the electric melting pipe fitting 100. When welding, the shape of the memory alloy piece 43 is recovered by heating and the observation column 42 on the memory alloy piece is ejected out, so that the warning effect is achieved. After welding, the sight glass assembly 40 is removed, cooled and returned for further reuse.
The electric smelting pipe fitting 100 with observation hole subassembly 40 of this application, because observation hole subassembly 40 is a part that is independent of outside electric smelting pipe fitting 100, need not consider this part structure when the moulding plastics of PE main part 10 in electric smelting pipe fitting 100, correspond the mould part only need consider observation hole 11 structure can, consequently can simplify the mould, and the observation hole 11 structure on the mould is difficult to damage. In addition, since the observation hole assembly 40 is a component independent of the electrofusion pipe 100, the observation function thereof depends on the memory function of the memory alloy 43, and is not influenced by the depth of the observation hole 11, the problems that the observation hole 11 has the risk of vehicle leakage in the wiring process of the electrofusion pipe and the observation hole 11 is not uniform in the welding process in the prior art are solved.
In addition, the viewing port assembly 40 of the present application also has a reusable function.
As shown in fig. 2-3, in this embodiment, the memory alloy member 43 is a memory alloy sheet. More specifically, in this embodiment, the memory alloy sheet is a nickel-titanium memory alloy, a copper-based memory alloy, or an iron-based memory alloy.
As shown in fig. 4-5, in the present embodiment, the memory alloy member 43 is a memory alloy spring. More specifically, in this embodiment, the memory alloy spring is a nickel-titanium memory alloy, a copper-based memory alloy, or an iron-based memory alloy.
More specifically, as shown in FIG. 1, the viewing post 42 is made of plastic or metal.
Preferably, each viewing hole 11 is arranged at the inner side of the corresponding terminal post 30. More specifically, the depth of the observation hole 11 is related to the size of the electrofusion pipe 100, the size of the stud 30 and the memory alloy material.
As shown in fig. 2 to 5, the present embodiment also provides a porthole assembly 40 corresponding to each porthole 11 (see fig. 1) in the electrofusion pipe fitting 100 for fitting in each porthole 11 to observe the welding quality when the electrofusion pipe fitting 100 is welded. The viewport assemblies 40 may generally include: a housing 41, and a viewing column 42 and a memory alloy member 43 accommodated in the housing 41 from top to bottom. Wherein, when the electrofusion pipe fittings 100 are welded, the memory alloy pieces 43 are installed in the corresponding observation holes 11 and configured to be heated and extended and eject the observation columns 42; after the electric melting pipe fitting 100 is welded, the memory alloy piece 43 is further configured to be cooled and restored, so that the memory alloy piece 43 and the observation post 42 are accommodated in the housing 41, and the observation hole assembly 40 is taken out from the corresponding observation hole 11 for recycling.
Referring to fig. 1, in the observation hole assembly 40 of the present application, since the observation hole assembly 40 is a component independent from the electric melting pipe fitting 100, the structure of the observation hole assembly is not considered when the PE main body 10 in the electric melting pipe fitting 100 is injection molded, and only the structure of the observation hole 11 needs to be considered for a corresponding mold part, so that the mold can be simplified, and the structure of the observation hole 11 on the mold is not easily damaged. In addition, since the observation hole assembly 40 is a component independent of the electric melting pipe fitting 100, the observation function thereof depends on the memory function of the memory alloy member 43 and is not influenced by the depth of the observation hole 11, the problems that the electric melting pipe fitting has a vehicle leakage risk in the observation hole 11 during the wiring process and the observation hole 11 is not uniform during the welding process are solved. In addition, the viewing port assembly 40 also has a reusable function.
As shown in fig. 2-3, in this embodiment, the memory alloy member 43 is a memory alloy sheet. More specifically, in this embodiment, the memory alloy sheet is a nickel-titanium memory alloy, a copper-based memory alloy, or an iron-based memory alloy.
As shown in fig. 4-5, in the present embodiment, the memory alloy member 43 is a memory alloy spring. More specifically, in this embodiment, the memory alloy spring is a nickel-titanium memory alloy, a copper-based memory alloy, or an iron-based memory alloy.
It is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which this application belongs.
In the description of the present application, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the present application.
Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. In the description of the present application, "a plurality" means two or more unless specifically defined otherwise.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
The above description is only for the preferred embodiment of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present application should be covered within the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (9)
1. An electrofusion tube assembly (100) with a sight hole assembly, comprising:
the PE pipe comprises a PE main body (10), wherein the PE main body (10) is hollow and communicated with each other, two electric melting ports (12) are formed in the PE main body (10) and used for accommodating and connecting corresponding pipes in an electric melting mode, and two observation holes (11) are formed in the PE main body (10);
a heating wire (20) embedded at an inner wall of the PE body (10) corresponding to the two electrofusion ports (12) and configured to electrofusion weld the electrofusion pipe fitting (100) and the pipe together in an electrically conductive state;
the binding posts (30) are correspondingly arranged at the two electric melting ports (12), are respectively connected with two ends of the electric heating wire (20) and are used for connecting an external welding machine; and
a porthole assembly (40), corresponding to each porthole (11), for fitting within each porthole (11) for observing the quality of the weld when said electrofusion pipe pieces (100) are welded, comprising: a shell (41), and an observation column (42) and a memory alloy piece (43) which are accommodated in the shell (41) from top to bottom;
wherein, when the electrofusion pipe fittings (100) are welded, the memory alloy members (43) are installed in the corresponding observation holes (11) and are configured to be heated and extended and eject the observation columns (42); after the electric melting pipe fitting (100) is welded, the memory alloy member (43) is further configured to be cooled and recovered, so that the memory alloy member (43) and the observation column (42) are accommodated in the shell (41), and the observation hole assembly (40) is taken out from the corresponding observation hole (11) for recycling.
2. Electrofusion tube element (100) according to claim 1, characterized in that the memory alloy element (43) is a memory alloy sheet or a memory alloy spring.
3. Electrofusion tube element (100) according to claim 1, characterized in that the memory alloy element (43) is a nickel-titanium memory alloy, a copper-based memory alloy or an iron-based memory alloy.
4. Electrofusion tube unit (100) according to claim 1, characterised in that the observation post (42) is made of plastic or metal.
5. Electrofusion tube element (100) according to any of the claims 1-4, characterized in that each viewing hole (11) is arranged at the inner side of the corresponding terminal post (30).
6. A porthole assembly (40) for fitting in each porthole (11) of an electrofusion pipe (100) for observing the quality of the weld when said electrofusion pipe (100) is welded, comprising: the observation post (42) and the memory alloy piece (43) are accommodated in the shell (41) from top to bottom, wherein when the electrofusion pipe fitting (100) is welded, the memory alloy piece (43) is installed in the corresponding observation hole (11) and is configured to be heated and stretched and push out the observation post (42); after the electric melting pipe fitting (100) is welded, the memory alloy member (43) is further configured to be cooled and recovered, so that the memory alloy member (43) and the observation column (42) are accommodated in the shell (41), and the observation hole assembly (40) is taken out from the corresponding observation hole (11) for recycling.
7. Viewing port assembly (40) according to claim 6, wherein said memory alloy member (43) is a memory alloy sheet or a memory alloy spring.
8. Viewing port assembly (40) according to claim 6, wherein said memory alloy assembly (43) is a nickel titanium memory alloy, a copper based memory alloy or an iron based memory alloy.
9. The viewing port assembly (40) according to any of claims 6-8, wherein the viewing post (42) is made of plastic or metal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920964486.9U CN210266361U (en) | 2019-06-25 | 2019-06-25 | Electric melting pipe fitting with observation hole assembly and observation hole assembly |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920964486.9U CN210266361U (en) | 2019-06-25 | 2019-06-25 | Electric melting pipe fitting with observation hole assembly and observation hole assembly |
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| CN210266361U true CN210266361U (en) | 2020-04-07 |
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| CN201920964486.9U Active CN210266361U (en) | 2019-06-25 | 2019-06-25 | Electric melting pipe fitting with observation hole assembly and observation hole assembly |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117704179A (en) * | 2024-02-06 | 2024-03-15 | 天津军星管业集团有限公司 | Large-caliber polyethylene electric melting pipe fitting and manufacturing method thereof |
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2019
- 2019-06-25 CN CN201920964486.9U patent/CN210266361U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117704179A (en) * | 2024-02-06 | 2024-03-15 | 天津军星管业集团有限公司 | Large-caliber polyethylene electric melting pipe fitting and manufacturing method thereof |
| CN117704179B (en) * | 2024-02-06 | 2024-04-26 | 天津军星管业集团有限公司 | Large-caliber polyethylene electric melting pipe fitting and manufacturing method thereof |
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