CN210706016U - Closing device for steel-plastic composite lining wrapped with polytetrafluoroethylene polymer pipe - Google Patents
Closing device for steel-plastic composite lining wrapped with polytetrafluoroethylene polymer pipe Download PDFInfo
- Publication number
- CN210706016U CN210706016U CN201920974573.2U CN201920974573U CN210706016U CN 210706016 U CN210706016 U CN 210706016U CN 201920974573 U CN201920974573 U CN 201920974573U CN 210706016 U CN210706016 U CN 210706016U
- Authority
- CN
- China
- Prior art keywords
- closing
- polytetrafluoroethylene
- pipe
- lining
- steel
- 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.)
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- -1 polytetrafluoroethylene Polymers 0.000 title claims abstract description 45
- 229920001343 polytetrafluoroethylene Polymers 0.000 title claims abstract description 42
- 239000004810 polytetrafluoroethylene Substances 0.000 title claims abstract description 42
- 229920000642 polymer Polymers 0.000 title claims abstract description 10
- 239000004033 plastic Substances 0.000 title claims description 11
- 229920003023 plastic Polymers 0.000 title claims description 11
- 239000002131 composite material Substances 0.000 title claims description 8
- 238000012946 outsourcing Methods 0.000 claims abstract description 9
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 7
- 239000010959 steel Substances 0.000 claims abstract description 7
- 150000001875 compounds Chemical class 0.000 claims abstract description 6
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000010030 laminating Methods 0.000 abstract description 5
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 abstract description 5
- 239000004698 Polyethylene Substances 0.000 abstract description 4
- 229920000573 polyethylene Polymers 0.000 abstract description 4
- 238000003466 welding Methods 0.000 abstract description 3
- 239000002184 metal Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910052755 nonmetal Inorganic materials 0.000 description 2
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005536 corrosion prevention Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Landscapes
- Lining Or Joining Of Plastics Or The Like (AREA)
- Laminated Bodies (AREA)
Abstract
The utility model discloses a close up device that compound inside lining outsourcing polytetrafluoroethylene polymer pipe was moulded to steel. The closing-in device comprises a supporting piece and a closing-in piece; the closing-in piece comprises a closing-in part and a handle part arranged at one end of the closing-in part, the closing-in part is cylindrical, two ends of the closing-in part are open, one end of the closing-in part is attached to the inner wall of the polytetrafluoroethylene inner lining pipe, the diameter of the inner wall of the other end of the closing-in part is gradually increased towards the port of the closing-in part, and the diameter of the port of the other end of the closing-in part; the support piece is cylindrical, is inserted in the tetrafluoroethylene polyethylene lining pipe and is attached to the inner wall of the tetrafluoroethylene polyethylene lining pipe. The utility model discloses a binding off device inserts support piece in polytetrafluoroethylene inside lining pipe, and binding off spare extrudees the binding off to the outer pipe of polytetrafluoroethylene, carries out the welding interface after making the laminating of the outer pipe of polytetrafluoroethylene inside lining.
Description
Technical Field
The utility model relates to a pipeline preparation technical field especially relates to a compound inside lining outsourcing polytetrafluoroethylene closes up device for pipe is moulded to steel.
Background
Conventional metal tubing has a number of disadvantages: rough and heavy pipe wall, many joints, easy leakage, short service life, serious pollution to materials and the like. Meanwhile, the nonmetal pipeline has poor performances in the aspects of mechanical strength, impact resistance, ageing resistance and the like, the thermal expansion coefficient of the pipe is large, rapid cracking is easy to generate, and the pipeline joint is easy to pull off, so that the application field of the pipeline is limited, and the nonmetal pipeline is not an ideal pipeline material.
Related industries and experts always strive to develop a pipe which has the advantages of metal and plastic pipes and has excellent comprehensive performance. The metal and plastic composite pipe is a metal/high polymer macroscopic composite system, the metal matrix bears the internal and external pressure of the pipe through interface combination, and the plastic matrix plays a role in corrosion prevention. It has the features of metal hardness, rigidity, deformation resistance, heat resistance, pressure resistance, antistatic property, etc. and has the features of plastic corrosion resistance, no rustiness, less scale stain, smooth wall, high heat insulating performance, being clean and non-toxic, light weight, simple construction, long service life, etc.
In the prior art, a proper steel pipe and a matched pipe diameter size corresponding to the polytetrafluoroethylene lining outer package are selected, so that the steel-plastic pipe is attached, and the filling welding vulnerable points are too many due to the difference of the pipe diameter sizes of the polytetrafluoroethylene lining outer package.
Disclosure of Invention
An object of the utility model is to provide a convenient to use's compound inside lining outsourcing polytetrafluoroethylene closing device for polymer pipe is moulded to steel to the above-mentioned not enough of prior art.
The utility model relates to a closing device for steel-plastic composite lining wrapped with polytetrafluoroethylene polymer, which comprises a support piece and a closing piece; the closing-in part comprises a closing-in part and a handle part arranged at one end of the closing-in part, the closing-in part is cylindrical, two ends of the closing-in part are open, one end of the closing-in part is attached to the inner wall of the polytetrafluoroethylene inner lining pipe, the diameter of the inner wall of the other end of the closing-in part is gradually increased towards the port of the closing-in part, and the diameter of the port of the other end of the closing-in part is equal to the diameter; the supporting piece is cylindrical, is inserted into the tetrafluoroethylene polyethylene lining pipe and is attached to the inner wall of the tetrafluoroethylene polyethylene lining pipe.
Preferably, the handle part is cylindrical, one end of the handle part is fixedly connected with the closing-in part, a mounting hole penetrating through the handle part is formed in the handle part, the other end of the handle part is open, and the support piece penetrates through the mounting hole through the opening and is inserted into the tetrafluoroethylene polymer lining pipe.
The utility model discloses a compound inside lining outsourcing polytetrafluoroethylene polymer pipe is moulded to steel and is inserted support piece at polytetrafluoroethylene inside lining intraductal closing in device, the closing in piece extrudees the outer envelope of polytetrafluoroethylene and closes up, weld the interface after making the outer envelope of polytetrafluoroethylene laminating, polytetrafluoroethylene outsourcing pullover pipe internal diameter chooses for use to close up with the corresponding size pipe of outsourcing polytetrafluoroethylene pipe size external diameter, the one end size internal diameter of closing in portion equals with inside lining polytetrafluoroethylene pipe external diameter, embolia the inside lining pullover and weld the interface after the outer envelope laminating.
Drawings
Fig. 1 is a schematic structural view of a closing device for steel-plastic composite lining wrapped with polytetrafluoroethylene.
1-a support; 2-closing part; 21-a mouth-closing part; 22-a handle portion; 221-mounting holes; 3-a polytetrafluoroethylene lining pipe; 4-polytetrafluoroethylene outer sheath head pipe.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
As shown in fig. 1, the closing device for steel-plastic composite lining wrapped with polytetrafluoroethylene comprises a support member 1 and a closing member 2; the closing part 2 comprises a closing part 21 and a handle part 22 arranged at one end of the closing part 21, the closing part 21 is cylindrical with two open ends, one end of the closing part 21 is attached to the polytetrafluoroethylene inner lining tube 3, the diameter of the inner wall of the other end of the closing part 21 is gradually increased towards the port of the closing part, and the diameter of the port of the other end of the closing part is equal to the diameter of the polytetrafluoroethylene outer sheath head tube 4; the supporting piece 1 is cylindrical, is inserted in the polytetrafluoroethylene lining pipe 3 and is attached to the inner wall of the polytetrafluoroethylene lining pipe.
The utility model discloses a compound inside lining outsourcing polytetrafluoroethylene polymer pipe is moulded to steel and is inserted support piece 1 at polytetrafluoroethylene inside lining intraductal closing device that inserts, extrude the outer pipe of polytetrafluoroethylene and close up, weld the interface after making the outer pipe laminating of polytetrafluoroethylene inside lining, the outer head pipe of polytetrafluoroethylene overcoat 4 internal diameters choose for use to close up with the corresponding size pipe of outsourcing polytetrafluoroethylene pipe size external diameter, the one end size internal diameter of the oral area of closing up equals with inside lining polytetrafluoroethylene pipe external diameter, embolia the outer pipe laminating of inside lining with the overcoat sleeve head and carry out the welding interface.
The handle portion 22 is cylindrical, one end of which is connected and fixed to the closing portion 21, and is provided with a mounting hole 221 penetrating therethrough, and the other end is open, and the support member 1 is inserted into the teflon inner liner tube 3 through the mounting hole 221 from the opening.
The above is not relevant and is applicable to the prior art.
Although certain specific embodiments of the present invention have been described in detail by way of illustration, it will be understood by those skilled in the art that the foregoing examples are for purposes of illustration only and are not intended to limit the scope of the invention, which is to be construed as broadly as the present invention will suggest themselves to those skilled in the art to which the invention pertains and which is susceptible to various modifications or additions and similar arrangements to the specific embodiments described herein without departing from the scope of the invention as defined in the appended claims. It should be understood by those skilled in the art that any modifications, equivalent substitutions, improvements and the like made to the above embodiments according to the technical spirit of the present invention should be included in the scope of the present invention.
Claims (2)
1. The utility model provides a compound inside lining outsourcing polytetrafluoroethylene closes up device for poly pipe is moulded to steel, its characterized in that: comprises a support piece (1) and a closing-in piece (2); the closing part (2) comprises a closing part (21) and a handle part (22) arranged at one end of the closing part (21), the closing part (21) is cylindrical, two ends of the closing part are open, one end of the closing part (21) is attached to the inner wall of the polytetrafluoroethylene inner lining pipe (3), the diameter of the inner wall of the other end of the closing part (21) is gradually increased towards the port of the closing part, and the diameter of the port of the other end of the closing part is equal to that of the polytetrafluoroethylene outer covering head pipe (4); the supporting piece (1) is cylindrical, is inserted in the polytetrafluoroethylene lining pipe (3) and is attached to the inner wall of the polytetrafluoroethylene lining pipe.
2. The necking device for the steel-plastic composite lining externally coated with the polytetrafluoroethylene polymer pipe as claimed in claim 1, wherein: the handle part (22) is cylindrical, one end of the handle part is fixedly connected with the closing-in part (21), a mounting hole (221) penetrating through the handle part is formed in the handle part, the other end of the handle part is open, and the supporting piece (1) penetrates through the mounting hole (221) through the opening and is inserted into the polytetrafluoroethylene lining tube (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920974573.2U CN210706016U (en) | 2019-06-26 | 2019-06-26 | Closing device for steel-plastic composite lining wrapped with polytetrafluoroethylene polymer pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920974573.2U CN210706016U (en) | 2019-06-26 | 2019-06-26 | Closing device for steel-plastic composite lining wrapped with polytetrafluoroethylene polymer pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210706016U true CN210706016U (en) | 2020-06-09 |
Family
ID=70966045
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920974573.2U Active CN210706016U (en) | 2019-06-26 | 2019-06-26 | Closing device for steel-plastic composite lining wrapped with polytetrafluoroethylene polymer pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210706016U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110406086A (en) * | 2019-06-26 | 2019-11-05 | 湖北世纪伟业防腐科技有限公司 | The preparation method and closing device of the poly- pipe of steel plastic compount liner wrapped in teflon |
-
2019
- 2019-06-26 CN CN201920974573.2U patent/CN210706016U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110406086A (en) * | 2019-06-26 | 2019-11-05 | 湖北世纪伟业防腐科技有限公司 | The preparation method and closing device of the poly- pipe of steel plastic compount liner wrapped in teflon |
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