CN207018662U - A kind of steel-plastics composite pipe with two way seal protection ring - Google Patents
A kind of steel-plastics composite pipe with two way seal protection ring Download PDFInfo
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- CN207018662U CN207018662U CN201720939898.8U CN201720939898U CN207018662U CN 207018662 U CN207018662 U CN 207018662U CN 201720939898 U CN201720939898 U CN 201720939898U CN 207018662 U CN207018662 U CN 207018662U
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Abstract
The utility model discloses a kind of steel-plastics composite pipe with two way seal protection ring, including outer layer carbon steel pipe, internal layer anticorrosive coat and stainless steel protection ring, stainless steel protection ring includes straight pressing section and pressing ring, rubber seal is provided between pressing ring and the end face of outer layer carbon steel pipe, rubber seal is integral with pressing ring bonding, the rubber seal and the end face of outer layer carbon steel pipe bond, pressing section close to pressing ring is provided with annular groove, after steel-plastics composite pipe connection, set rubber seal that there is two way seal between pressing ring and the end face of outer layer carbon steel pipe, steel plastic compount outer tube layer carbon steel pipe pipe end is sealed up from axially and radially both direction not contact directly with water, avoid water pollution once again；The insulating barrier isolated is formed between outer layer carbon steel pipe and stainless steel metal protection ring again, avoids the formation of dissimilar metal electrochemical corrosion.
Description
Technical field
It the utility model is related to a kind of steel-plastics composite pipe, more particularly to a kind of steel-plastics composite pipe with two way seal.
Background technology
Constantly extended with the application field of steel-plastics composite pipe, the manufacturing technology level of steel-plastics composite pipe is persistently lifted, people
Higher requirement is proposed to quality, performance, installation of steel-plastics composite pipe etc..The steel-plastics composite pipe in current supply market is main
Application field is water supply system particularly civil buildings water supply system, substantially using traditional screw thread, groove connected mode, especially
It is convenient with groove connection simple and fast, and its application is the most universal；But at present using the steel-plastic composite pipeline of groove connection
Following urgent problem to be solved in system be present：1st, corrosion-resistant steel-plastics combined pipe pipe end metal contacts with water easily water quality is made in one side
Destroy into secondary pollution and simultaneously steel modeling inter-layer bonding force and then reduce the security of pipe-line system；2nd, in constructing after the disconnected pipe in scene
Pipe end Metal Cutting section secondary pollution to water quality is contacted with water and while destroys steel modeling inter-layer bonding force and then reduces pipe
The security of road system；3rd, break broken in engineering site groove construction after pipe ring inside lining anti-corrosive layer reduce tubing anti-corrosive properties and then
Destroy antiseptic property of whole pipe-line system etc..
At present, in order to prevent the plastic tube of steel-plastics composite pipe interface occur degumming or in work progress because operate not
When and damage in plastic tube, cause plastic tube to come off, be provided on the mouth of pipe of steel-plastics composite pipe fasten the mouth of pipe at plastic tube
Interior solid ring.If China Patent No. is 201520649984.6, a kind of steel-plastics composite pipe with interior solid ring is disclosed, steel modeling is multiple
Closing pipe includes steel pipe and is arranged on the plastic tube of steel pipe inner wall, and steel-plastics composite pipe also includes the mouth of pipe, is provided for fastening on the mouth of pipe
The interior solid ring of plastic tube at the mouth of pipe.The utility model structure is novel, by solid ring in setting, solves and is moulded caused by expanding with heat and contract with cold
The problem of expects pipe comes off；Plastic tube caused by avoiding the impact of current line up comes off, and the design of steel-plastics composite pipe is had more people
Property and science；But there is following defect in above-mentioned patent：1st, the port surface of steel-plastics composite pipe is from axially and radially two sides
Xiang Yushui is directly contacted, and easily causes water pollution once again；2nd, in steel plastic compount outer tube layer carbon steel pipe and stainless steel metal protection ring
Between formed dissimilar metal electrochemical corrosion.
Utility model content
The defects of in order to overcome prior art, it is multiple that the utility model provides a kind of steel modeling with two way seal protection ring
Pipe is closed, steel plastic compount outer tube layer carbon steel pipe is sealed up from axially and radially both direction the purpose is to the port of 1, steel-plastics composite pipe
Pipe end does not contact directly with water, avoids water pollution once again；2nd, protected in steel plastic compount outer tube layer carbon steel pipe and stainless steel metal
The insulating barrier of isolation is formed between ring, avoids the formation of dissimilar metal electrochemical corrosion.
In order to solve the above-mentioned technical problem, the technical solution adopted in the utility model is：
A kind of steel-plastics composite pipe with two way seal protection ring, including outer layer carbon steel pipe, internal layer anticorrosive coat and stainless steel
Protection ring, internal layer anticorrosive coat are located in outer layer carbon steel pipe, and the stainless steel protection ring includes straight pressing section and pressing ring, described
Pressing section serves as a contrast the inwall for being pressed on internal layer anticorrosive coat, and the end face of the pressing ring and outer layer carbon steel pipe coordinates, it is characterised in that：It is described
Be provided with rubber seal between pressing ring and the end face of outer layer carbon steel pipe, to be bonded as one whole with pressing ring for described rubber seal
Body, the rubber seal and the end face of outer layer carbon steel pipe bond, and the pressing section close to pressing ring is provided with annular groove.Steel is moulded
After multiple tube connection, set rubber seal that there is two way seal between pressing ring and the end face of outer layer carbon steel pipe,
I.e.：Rubber seal is integral with the bonding of stainless steel protection ring, and steel-plastics composite pipe is sealed up from axially and radially both direction
Outer layer carbon steel pipe pipe end does not contact directly with water, avoids water pollution once again；Rubber seal is in steel plastic compount outer tube layer carbon steel
Pipe avoids the formation of dissimilar metal electrochemical corrosion with forming the insulating barrier isolated between stainless steel metal protection ring.
The rubber seal thickness is 2-4mm.
The thickness of the stainless steel protection ring (4) is 0.5-1.5mm.
The annular groove bottom is arc.
The utility model has advantages below：
1st, rubber seal, described rubber seal are provided between the utility model pressing ring and the end face of outer layer carbon steel pipe
Circle is integral with pressing ring bonding, and the rubber seal and the end face of outer layer carbon steel pipe bond, close to the pressing of pressing ring
Section is provided with annular groove.After steel-plastics composite pipe connection, rubber seal is set between pressing ring and the end face of outer layer carbon steel pipe
Circle has the function that two way seal, i.e.,：The bonding of rubber seal and stainless steel protection ring is integral, one, from axial direction and footpath
Steel plastic compount outer tube layer carbon steel pipe pipe end is sealed up to both direction not contact directly with water, avoids water pollution once again；Secondly,
Rubber seal forms the insulating barrier isolated between steel plastic compount outer tube layer carbon steel pipe and stainless steel metal protection ring, avoids shape
Into dissimilar metal electrochemical corrosion.Pressing section close to pressing ring has the effect that provided with annular groove：(1), ensure not
Rust steel protection ring is not interferenceed when entering in steelplastic pipe with pipe end inner wall anti-corrosive layer, makes stainless steel protection ring and outer layer carbon steel pipe end
The contact surface increase in face, and then increase the contact area of sealing ring, strengthen sealing effectiveness；（2）, steel-plastics composite pipe processing connection
When, outer layer carbon steel end surfaces and stainless steel protection ring crush seal circle, the sealing ring to suffer oppression can extend into annular groove, enter
One step strengthens axial seal effect；（3）, annular groove can strengthen the strength and stiffness of stainless steel protection ring, it is ensured that stainless steel is protected
Retaining ring is indeformable when processing connection；（4）, when stainless steel protection ring is fitted into steel pipe inner wall, the ring of stainless steel protection ring
Connected in star reduces the contact surface with steel plastic compount inside pipe wall, so as to reduce the assembly difficulty of becket and steelplastic pipe.
2nd, the utility model rubber seal thickness is 2-4mm, if sealing ring is too thick, i.e., more than 2-4mm, sealing effectiveness
Difference, and stainless steel protection ring easily shakes during installation；The thickness of stainless steel protection ring is 0.5-1.5mm, if too thick, indent is not
Easily press；If too thin, easy stretcher strain during indent.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is stainless steel protection ring structure schematic diagram of the present utility model.
Marked in figure：1st, outer layer carbon steel pipe, 2, internal layer anticorrosive coat, 3, rubber seal, 4, stainless steel protection ring, 4.1, pressure
Close section, 4.2, pressing ring, 5, annular groove.
Embodiment
Embodiment 1
As shown in Figure 1 and Figure 2, a kind of steel-plastics composite pipe with two way seal protection ring, including outer layer carbon steel pipe 1, internal layer
Anticorrosive coat 2（Or plastic tube）With stainless steel protection ring 4, internal layer anticorrosive coat 2 is located in outer layer carbon steel pipe 1, internal layer anticorrosive coat 2
Outer wall is Nian Jie with the inwall of outer layer carbon steel pipe 1, and stainless steel protection ring 4 is the tubular of both ends open, and one port outwards turns down shape
Into pressing ring 4.2, direct tube section is pressing section 4.1, and the pressing section 4.1 of stainless steel protection ring 4 is stretched into internal layer anticorrosive coat 2 presses with lining
On internal layer anticorrosive coat 2, pressing ring 4.2 and the end face of the port of outer layer carbon steel pipe 1 coordinate（Or non-binding fitting）.
Add and reached two way seal, that is, prevented water seepage into pipe, and the port of outer layer carbon steel pipe 1 and stainless steel protection
The pressing ring 4.2 of ring 4 forms dissimilar metal electrochemical corrosion, is set between pressing ring 4.2 and the end face of the port of outer layer carbon steel pipe 1
There is rubber seal 3.Rubber seal 3 is bonded in the back side of pressing ring 4.2, and rubber seal 3 is positioned at pressing ring 4.2 and outer layer
On the face that the end face of carbon steel pipe 1 fits, rubber seal 3 is integral with stainless steel protection ring 4 using preceding bonding, rubber
Sealing ring thickness is 2-4mm.The thickness of stainless steel protection ring is 0.5-1.5mm.
In use, stainless steel protection ring 4 to be arranged on to the segment port of steel-plastics composite pipe, it is multiple that pressing section 4.1 is stretched into steel modeling
Close in pipe, pressed with internal layer anticorrosive coat 2, pressing ring 4.2 is bonded by rubber seal 3 and the end face of outer layer carbon steel pipe 1.
Steel-plastics composite pipe is connected in use, protect anticorrosive coat in pipe end not to be destroyed in rolling groove, presses ring and outer layer carbon steel pipe
End face between set rubber seal there is two way seal, i.e.,：Rubber seal is bonded as with stainless steel protection ring
One is overall, one, seals up steel plastic compount outer tube layer carbon steel pipe pipe end from axially and radially both direction and is not contacted directly with water,
Avoid water pollution once again；Secondly, rubber seal is between steel plastic compount outer tube layer carbon steel pipe and stainless steel metal protection ring
The insulating barrier of isolation is formed, avoids the formation of dissimilar metal electrochemical corrosion.
Further that annular groove 5 is preferably provided with pressing section 4.1, annular groove 5 is close to press ring 4.2（Such as Fig. 1
It is shown）, annular groove has the effect that：(1), ensure stainless steel protection ring enter steelplastic pipe in when not with pipe end inner wall anti-corrosive
Layer interference, makes the contact surface increase of stainless steel protection ring and outer layer carbon steel end surfaces, and then increases the contact area of sealing ring,
Strengthen sealing effectiveness；（2）, steel-plastics composite pipe processing connection when, outer layer carbon steel end surfaces and stainless steel protection ring crush seal circle,
The sealing ring to suffer oppression can extend into annular groove, further enhance axial seal effect；（3）, annular groove can strengthen not
The strength and stiffness of rust steel protection ring, it is ensured that stainless steel protection ring is indeformable when processing connection；（4）, by stainless steel protection
When ring fits into steel pipe inner wall, the annular groove of stainless steel protection ring reduces the contact surface with steel plastic compount inside pipe wall, so as to
Reduce becket and the assembly difficulty of steelplastic pipe.
Claims (4)
1. a kind of steel-plastics composite pipe with two way seal protection ring, including outer layer carbon steel pipe (1), internal layer anticorrosive coat (2) and not
Become rusty steel protection ring (4), and internal layer anticorrosive coat (2) is located in outer layer carbon steel pipe (1), and the stainless steel protection ring (4) includes straight pressure
Section (4.1) and pressing ring (4.2) are closed, pressing section (4.1) lining is pressed on the inwall of internal layer anticorrosive coat (2), the pressing ring
(4.2) end face with outer layer carbon steel pipe (1) coordinates, it is characterised in that：The pressing ring (4.2) and the end of outer layer carbon steel pipe (1)
Rubber seal (3) is provided between face, described rubber seal (3) is integral with pressing ring (4.2) bonding, the rubber
The end face of sealing ring (3) and outer layer carbon steel pipe (1) bonds, and the pressing section (4.1) close to pressing ring (4.2) is provided with annular groove
(5)。
A kind of 2. steel-plastics composite pipe with two way seal protection ring according to claim 1, it is characterised in that：The rubber
Glue sealing ring (3) thickness is 2-4mm.
A kind of 3. steel-plastics composite pipe with two way seal protection ring according to claim 1, it is characterised in that：It is described not
The thickness of rust steel protection ring (4) is 0.5-1.5mm.
A kind of 4. steel-plastics composite pipe with two way seal protection ring according to claim 1, it is characterised in that：The ring
Connected in star (5) bottom is arc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720939898.8U CN207018662U (en) | 2017-07-31 | 2017-07-31 | A kind of steel-plastics composite pipe with two way seal protection ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720939898.8U CN207018662U (en) | 2017-07-31 | 2017-07-31 | A kind of steel-plastics composite pipe with two way seal protection ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207018662U true CN207018662U (en) | 2018-02-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720939898.8U Active CN207018662U (en) | 2017-07-31 | 2017-07-31 | A kind of steel-plastics composite pipe with two way seal protection ring |
Country Status (1)
| Country | Link |
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| CN (1) | CN207018662U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110274099A (en) * | 2019-07-26 | 2019-09-24 | 湖南振辉管业有限公司 | End is equipped with the composite metal-plastic pipe and its manufacturing method of enhancing sealing mechanism |
| CN110285271A (en) * | 2019-07-26 | 2019-09-27 | 湖南振辉管业有限公司 | A kind of composite metal-plastic pipe port enhancing face seals and preparation method thereof |
-
2017
- 2017-07-31 CN CN201720939898.8U patent/CN207018662U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110274099A (en) * | 2019-07-26 | 2019-09-24 | 湖南振辉管业有限公司 | End is equipped with the composite metal-plastic pipe and its manufacturing method of enhancing sealing mechanism |
| CN110285271A (en) * | 2019-07-26 | 2019-09-27 | 湖南振辉管业有限公司 | A kind of composite metal-plastic pipe port enhancing face seals and preparation method thereof |
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