CN219493389U - Electrothermal molten steel-plastic integrated flange - Google Patents
Electrothermal molten steel-plastic integrated flange Download PDFInfo
- Publication number
- CN219493389U CN219493389U CN202320306539.4U CN202320306539U CN219493389U CN 219493389 U CN219493389 U CN 219493389U CN 202320306539 U CN202320306539 U CN 202320306539U CN 219493389 U CN219493389 U CN 219493389U
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- Prior art keywords
- heating wire
- flange
- plastic
- plastic layer
- wall
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- 238000010438 heat treatment Methods 0.000 claims abstract description 55
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 41
- 239000010959 steel Substances 0.000 claims abstract description 41
- 239000002131 composite material Substances 0.000 claims abstract description 39
- 239000000155 melt Substances 0.000 claims abstract description 4
- 238000005253 cladding Methods 0.000 claims abstract description 3
- 238000004080 punching Methods 0.000 claims description 17
- 230000000903 blocking effect Effects 0.000 claims description 14
- 150000001875 compounds Chemical class 0.000 claims description 4
- 239000012943 hotmelt Substances 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 2
- 238000005485 electric heating Methods 0.000 description 11
- 238000000926 separation method Methods 0.000 description 8
- 239000002184 metal Substances 0.000 description 7
- 229910052751 metal Inorganic materials 0.000 description 7
- 238000002844 melting Methods 0.000 description 6
- 230000008018 melting Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
Landscapes
- Branch Pipes, Bends, And The Like (AREA)
Abstract
The utility model belongs to the technical field of flange joint's technique and specifically relates to relate to an electric heat melts steel plastic integral type flange, it includes the ring flange, be connected with the steel cylinder that punches a hole that is used for connecting composite pipe on the ring flange, the steel cylinder surface cladding that punches a hole has the plastic layer, the plastic layer extends to the terminal surface of ring flange, the spiral is equipped with the heating wire around being equipped with on the inner wall of plastic layer, the tip of plastic layer is provided with the terminal, the heating wire is connected with the terminal, be located one side that the heating wire is close to the ring flange in the plastic layer and be provided with the bush, the bush is used for preventing the one side roll-off of heating wire towards the ring flange, the tip and the heating wire butt of bush. The heating wire heating device has the advantages of reducing the possibility that the heating wire is exposed inside the flange and expanding the application range of the flange.
Description
Technical Field
The application relates to the technical field of flange connection, in particular to an electric hot melting steel-plastic integrated flange.
Background
In order to facilitate the disassembly of the pipeline, the flange is often used as a part for connecting the pipeline with each other, is connected to the pipe end and is mostly applied to the metal pipeline. For composite pipes, connections to other pipe systems and equipment must be made through steel-to-plastic conversion connectors. In the connection process of the steel-plastic flange and the steel-plastic composite pipeline, the steel-plastic flange and the steel-plastic composite pipeline are generally connected in an electric melting mode, namely, an electric heating wire is sleeved in the flange, the composite pipeline is inserted into the flange, and the electric heating wire is electrified to heat the polymer plastic to connect the flange and the composite pipeline.
With respect to the related art described above, the inventor found that when a composite pipe is inserted into a flange and an electric heating wire is electrically fused, the electric heating wire is pushed and pressed to an end of the flange, so that the electric heating wire is easily exposed to the inside of the flange, and the exposed electric heating wire is brought into contact with a medium inside the flange, thereby contaminating the medium, and thus being disadvantageous for expanding the range of use of the flange.
Disclosure of Invention
In order to reduce the possibility that the heating wire is exposed inside the flange, the application range of the flange is enlarged, and the application provides an electric melting steel-plastic integrated flange.
The application provides an electric heat melts steel and moulds integral type flange adopts following technical scheme:
the utility model provides an electric heat melts steel and moulds integral type flange, includes the ring flange, be connected with the steel cylinder that punches a hole that is used for connecting compound pipeline on the ring flange, the steel cylinder surface cladding that punches a hole has the plastic layer, the plastic layer extends to the terminal surface of ring flange, the spiral is around being equipped with the heating wire on the inner wall of plastic layer, the tip of plastic layer is provided with the terminal, the heating wire is connected with the terminal, be located one side that the heating wire is close to the ring flange in the plastic layer and be provided with the bush, the bush is used for preventing the one side roll-off of heating wire orientation ring flange, the tip and the heating wire butt of bush.
Through adopting above-mentioned technical scheme, insert the composite pipe in the punching steel cylinder of ring flange plastic layer parcel until composite pipe and bush butt, when inserting the composite pipe in the connection pipe box from the bell and spigot joint of connection pipe box, avoid promoting and extrusion heating wire shift out the lateral wall of composite pipe to reduce the heating wire after the hot melt with the contact of the inside medium of composite pipe, in order to enlarge the application range of flange.
Optionally, the bush includes separation portion and connecting portion, connecting portion connect the inner wall tip at separation portion, the tip butt of heating wire and separation portion, the inner wall diameter that the spiral winding of heating wire formed equals the internal diameter of separation portion, the tip and the end wall butt of connecting portion of compound pipeline.
Through adopting above-mentioned technical scheme, separation portion and heating wire butt play the effect that blocks the heating wire, and connecting portion and composite pipe's tip butt, connecting portion and separation portion longitudinal section form L shape for composite pipe joint is in the bush, thereby is favorable to reducing the possibility that the heating wire was extruded.
Optionally, the thickness of the bushing is greater than the diameter of the heating wire.
Through adopting above-mentioned technical scheme, the thickness of bush is greater than the diameter of heating wire to be favorable to reducing the heating wire and extrude, in order to be convenient for the connection to compound pipeline and use.
Optionally, the one end that punches a hole steel cylinder is close to the ring flange is provided with the turn-ups barb that overturn towards the outside of punching a hole steel cylinder.
Through adopting above-mentioned technical scheme, the turn-ups hook of falling is established on the ring flange to improve the connection steadiness between ring flange and the steel cylinder that punches a hole.
Optionally, a barb groove for placing the flanging barb is formed in the inner wall of the flange plate.
Through adopting above-mentioned technical scheme, turn-ups barb is placed in barb slot to be convenient for punch a hole the connection of steel cylinder and ring flange.
Optionally, the flanging barb is welded on the side wall of the barb groove, and the punching steel cylinder is welded on the inner wall of the flange plate.
Through adopting above-mentioned technical scheme, punching a hole steel cylinder and turn-ups barb all weld on the ring flange to welded steadiness has been improved.
Optionally, the bushing is made of plastic.
By adopting the technical scheme, the plastic bushing blocks the possibility of contact between the medium in the composite pipeline and the flange metal part, so that the composite pipeline can be conveniently used.
Optionally, the plastic layer is disposed away from the chamfer of the inner wall of the end of the flange.
By adopting the technical scheme, the end chamfer formed by the plastic layer is beneficial to the insertion of the composite pipeline into the punching steel cylinder.
In summary, the application has the following beneficial technical effects: the composite pipeline is inserted into the punching steel cylinder wrapped by the plastic layer until the composite pipeline is abutted with the bushing, so that pushing and extrusion of the heating wire to move out of the side wall of the composite pipeline are avoided when the composite pipeline is inserted into the connecting pipe sleeve from the faucet of the connecting pipe sleeve, and contact between the heating wire and medium inside the composite pipeline is reduced, so that the composite pipeline is convenient to connect and use.
Drawings
Fig. 1 is a cross-sectional view of the overall structure of an embodiment of the present application.
Fig. 2 is a cross-sectional view of a connection structure of a punched steel cylinder and a flange plate according to an embodiment of the present application.
Fig. 3 is a left side view of a connection structure of a punched steel cylinder and a flange plate according to an embodiment of the present application.
Reference numerals illustrate: 1. a flange plate; 2. punching a steel cylinder; 3. a plastic layer; 4. heating wires; 5. binding posts; 6. a bushing; 61. a blocking portion; 62. a connection part; 7. flanging barb; 8. barb grooves; 9. a placement groove; 10. and a wiring groove.
Detailed Description
The present application is described in further detail below in conjunction with figures 1-3.
The embodiment of the application discloses an electric hot melting steel-plastic integrated flange. Referring to fig. 1, the electrothermal molten steel-plastic integrated flange comprises a flange plate 1, wherein the flange plate 1 is a steel flange. A punching steel cylinder 2 for connecting a composite pipeline is welded and fixed on the flange plate 1, and the punching steel cylinder 2 is a cylindrical steel cylinder with a plurality of through holes on the surface; the surface of the punching steel cylinder 2 is coated with a plastic layer 3, the plastic layer 3 is coated on the punching steel cylinder 2, and the plastic layer 3 coats the whole punching steel cylinder 2 in the plastic layer 3 to form a cylinder shape. The plastic layer 3 extends to the end face of the flange 1 to separate the metal of the flange 1 from the inner cavity, and prevents the metal body of the flange 1 from contacting the medium flowing inside.
Referring to fig. 1, a placement groove 9 is formed in the inner wall of the plastic layer 3, an electric heating wire 4 is spirally wound on the inner wall of the plastic layer 3, the electric heating wire 4 is a metal electric heating wire, and the electric heating wire 4 comprises, but is not limited to, stainless steel wires, copper wires, alloy wires and the like, and hot-melt plastic is wrapped outside the electric heating wire 4. The heating wire 4 is positioned in the placing groove 9; two wiring grooves 10 have been seted up to the tip that ring flange 1 was kept away from to plastic layer 3, two terminal 5 of tip fixedly connected with of plastic layer 3, two terminal 5 are fixed connection respectively in two wiring grooves 10, heating wire 4 single turn is established in standing groove 9, the tip that returns to plastic layer 3 after setting up the bottom is wound to heating wire 4, the both ends and the two terminal 5 welded intercommunication respectively of heating wire 4, be located one side that heating wire 4 is close to ring flange 1 in the plastic layer 3 and be connected with bush 6, bush 6 is used for preventing that heating wire 4 from being rolled out towards one side of ring flange 1, bush 6 is located standing groove 9, the tip and the 4 butt of heating wire of bush 6.
Referring to fig. 1, the bushing 6 includes a blocking portion 61 and a connecting portion 62, the connecting portion 62 is connected to an inner wall end portion of the blocking portion 61, the bushing 6 is made of plastic, the connecting portion 62 and the blocking portion 61 are integrally formed, and the plastic bushing 6 blocks a possibility that a medium in the composite pipe contacts with a flange metal component. The inner diameter of the blocking part 61 is equal to the inner diameter of the plastic layer 3, and the outer side wall of the composite pipeline is abutted with the inner wall of the blocking part 61; the heating wire 4 is abutted with the end part of the blocking part 61, the diameter of the inner wall formed by spirally winding the heating wire 4 is equal to the inner diameter of the blocking part 61, and the thickness of the lining 6 is larger than the diameter of the heating wire 4, so that extrusion of the heating wire 4 is reduced, the connection of a composite pipeline is facilitated, and the end part of the composite pipeline is abutted with the end wall of the connecting part 62. A sealing ring is also placed between the blocking portion 61 and the heating wire 4, so that when the heating wire 4 is melted, melted plastic flows out from the bushing 6, and the sealing effect is improved.
The separation portion 61 is abutted with the heating wire 4, plays a role in blocking the heating wire 4, the connecting portion 62 is abutted with the end portion of the composite pipeline, and the connecting portion 62 and the longitudinal section of the separation portion 61 form an L shape, so that the composite pipeline is clamped in the bushing 6, and the possibility that the heating wire 4 is extruded is reduced.
Referring to fig. 2 and 3, one end of the punched steel cylinder 2, which is close to the flange plate 1, is integrally formed with a flanging barb 7 which is turned towards the outer side of the punched steel cylinder 2, and the longitudinal section of the flanging barb 7 is perpendicular to the punched steel cylinder 2. The inner wall of the flange plate 1 is provided with a barb groove 8 for placing a flanging barb 7, and the flanging barb 7 is placed in the barb groove 8. The tip welding of turn-ups barb 7 is on barb slot 8 lateral wall, and barb slot 8's diameter is greater than the diameter of turn-ups couple to be convenient for to the welding of turn-ups barb 7, the steel cylinder 2 that punches a hole welds on the inner wall of ring flange 1, both ends welded mode has improved the connection steadiness between ring flange 1 and the steel cylinder 2 that punches a hole.
Referring to fig. 1 and 2, the plastic layer 3 is filled into the barb groove 8, the barb groove 8 is completely filled, and the plastic layer 3 extends out of the end part of the flange plate 1, and is connected by plastic when the flange is used, so that the strength of the steel flange is maintained, and the contact between an internal medium and metal of the steel flange is avoided, thereby facilitating the use of the flange. The plastic layer 3 is arranged away from the chamfer of the inner wall of the end part of the flange plate 1, thereby facilitating the insertion of the composite pipeline into the punched steel cylinder 2.
The implementation principle of the electric hot melting steel-plastic integrated flange in the embodiment of the application is as follows: inserting the composite pipeline into the punching steel cylinder 2 wrapped by the plastic layer 3 until the composite pipeline is abutted against the bushing 6, powering on the heating wire 4 through the binding post 5, and thermally melting the plastic on the heating wire 4 so as to connect the flange with the composite pipeline; when the composite pipe is plugged into the connecting pipe sleeve from the faucet of the connecting pipe sleeve, the bushing 6 avoids pushing and extruding the heating wire 4 to move out of the side wall of the composite pipe, so that the contact between the heating wire 4 and the medium inside the composite pipe is reduced, and the connecting use of the composite pipe is facilitated.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (8)
1. Electric heat melts steel and moulds integral type flange, its characterized in that: including ring flange (1), be connected with on ring flange (1) and be used for connecting compound pipeline's steel cylinder (2) that punches a hole, the cladding of punching a hole steel cylinder (2) surface has plastic layer (3), plastic layer (3) extend to the terminal surface of ring flange (1), spiral is equipped with heating wire (4) on the inner wall of plastic layer (3), the tip of plastic layer (3) is provided with terminal (5), heating wire (4) are connected with terminal (5), be located one side that heating wire (4) are close to ring flange (1) in plastic layer (3) and be provided with bush (6), bush (6) are used for preventing one side roll-off of heating wire (4) towards ring flange (1), the tip and the heating wire (4) butt of bush (6).
2. The electrothermal molten steel-plastic integrated flange according to claim 1, wherein: the lining (6) comprises a blocking portion (61) and a connecting portion (62), the connecting portion (62) is connected to the end portion of the inner wall of the blocking portion (61), the heating wire (4) is abutted to the end portion of the blocking portion (61), the diameter of the inner wall formed by spirally winding the heating wire (4) is equal to the inner diameter of the blocking portion (61), and the end portion of the composite pipeline is abutted to the end wall of the connecting portion (62).
3. The electrothermal molten steel-plastic integrated flange according to claim 1, wherein: the thickness of the lining (6) is larger than the diameter of the heating wire (4).
4. The electrothermal molten steel-plastic integrated flange according to claim 1, wherein: one end of the punching steel cylinder (2) close to the flange plate (1) is provided with a flanging barb (7) which turns towards the outer side of the punching steel cylinder (2).
5. The electrothermal molten steel-plastic integrated flange of claim 4, wherein: the inner wall of the flange plate (1) is provided with a barb groove (8) for placing the flanging barb (7).
6. The electric hot-melt steel-plastic integrated flange according to claim 5, wherein: the flanging barb (7) is welded on the side wall of the barb groove (8), and the punching steel cylinder (2) is welded on the inner wall of the flange plate (1).
7. The electrothermal molten steel-plastic integrated flange according to claim 1, wherein: the lining (6) is made of plastic.
8. The electrothermal molten steel-plastic integrated flange according to claim 1, wherein: the plastic layer (3) is far away from the end inner wall chamfer of the flange plate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320306539.4U CN219493389U (en) | 2023-02-24 | 2023-02-24 | Electrothermal molten steel-plastic integrated flange |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320306539.4U CN219493389U (en) | 2023-02-24 | 2023-02-24 | Electrothermal molten steel-plastic integrated flange |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219493389U true CN219493389U (en) | 2023-08-08 |
Family
ID=87477477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320306539.4U Active CN219493389U (en) | 2023-02-24 | 2023-02-24 | Electrothermal molten steel-plastic integrated flange |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219493389U (en) |
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2023
- 2023-02-24 CN CN202320306539.4U patent/CN219493389U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |