CN220118835U - Film thickness uniform type tetrafluoro lining - Google Patents
Film thickness uniform type tetrafluoro lining Download PDFInfo
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- CN220118835U CN220118835U CN202321699842.1U CN202321699842U CN220118835U CN 220118835 U CN220118835 U CN 220118835U CN 202321699842 U CN202321699842 U CN 202321699842U CN 220118835 U CN220118835 U CN 220118835U
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- composite layer
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- circumferential surface
- film thickness
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- 239000002131 composite material Substances 0.000 claims abstract description 99
- 239000000463 material Substances 0.000 claims description 10
- -1 polytetrafluoroethylene Polymers 0.000 claims description 9
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 9
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 9
- 239000003365 glass fiber Substances 0.000 claims description 6
- 210000001503 joint Anatomy 0.000 claims description 5
- 239000012528 membrane Substances 0.000 claims 1
- 239000010410 layer Substances 0.000 abstract description 103
- 239000011241 protective layer Substances 0.000 abstract description 9
- 230000000694 effects Effects 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
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- Laminated Bodies (AREA)
Abstract
The utility model provides a tetrafluoro lining with uniform film thickness, which belongs to the technical field of pipelines and comprises an outer pipe, wherein an inner pipe is arranged in the outer pipe, a first composite layer is arranged on the circumferential surface of the inner pipe, a second composite layer is arranged on the circumferential surface of the first composite layer, a third composite layer is arranged on the circumferential surface of the second composite layer, a buffer layer is arranged on the circumferential surface of the third composite layer and is adhered to the inner wall of the outer pipe, an annular groove is arranged on the circumferential surface of the first composite layer, an inner annular strip is arranged on the inner wall of the second composite layer, and the inner annular strip is embedded in the corresponding annular groove; the first composite layer, the second composite layer and the third composite layer are compounded to form the protective layer, so that the stretching resistance of the protective layer is effectively enhanced, the connection strength is enhanced, the vibration conduction caused by the outer tube can be counteracted, the damage to the inner tube caused by external vibration is reduced, and the inner tube is effectively prevented from generating cracks.
Description
Technical Field
The utility model belongs to the technical field of pipelines, and particularly relates to a tetrafluoro lining with uniform film thickness.
Background
The pipeline is the essential structure of city construction, as small as the pipeline that leads to, and as large as the city piping lane, pipeline are the blood vessel of guaranteeing the normal operating in city, influence the aspect of life, in city pipeline renewing engineering and newcastle city construction, generally adopt the pipeline that contains lining structure, because the lining structure of pipeline and transportation medium contact, carry out anticorrosive protection to pipeline itself, and pipeline itself provides the protection to the inside lining of more friable.
The utility model discloses a chinese patent of application number CN202222127714.1 in the prior art, discloses a lining pipe in polytetrafluoroethylene, belongs to lining pipe technical field, including the lining pipe body, the mounting groove has been seted up to the preceding table wall of lining pipe body, the draw-in groove has all been seted up to the both sides wall that the mounting groove set up relatively, the inside block of mounting groove is connected with the non slipping spur, two the inside equal block of mounting groove is connected with the fixture block, the both ends of non slipping spur respectively with two fixture block fixed connection, through the cooperation of fixture block and draw-in groove, can install the non slipping spur in the mounting groove, can increase the fastness of non slipping spur to be convenient for the change of non slipping spur, the friction between the surface wall in non slipping spur multiplicable lining pipe body and the steel pipe reduces the condition of lining pipe body slip in the steel pipe, convenient and practical.
The polytetrafluoroethylene lining pipe is too smooth, and easy to slide in the steel pipe when being inserted into the steel pipe, so that the polytetrafluoroethylene lining pipe can slide out, the pipeline can protect the lining, the strength of the lining can be further reduced after the lining is corroded for a long time and used, at the moment, after the pipeline is subjected to local pressure or impact, the vibration conduction of the pipeline can also enable the weaker part of the lining to generate cracks or fall off, and leakage is caused, so that the polytetrafluoroethylene lining with uniform film thickness is provided.
Disclosure of Invention
The utility model aims to provide a tetrafluoro lining with uniform film thickness, and aims to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the polytetrafluoroethylene lining with the uniform film thickness comprises an outer pipe, an inner pipe is arranged in the outer pipe, a first composite layer is arranged on the circumferential surface of the inner pipe, a second composite layer is arranged on the circumferential surface of the first composite layer, a third composite layer is arranged on the circumferential surface of the second composite layer, a buffer layer is arranged on the circumferential surface of the third composite layer, and the buffer layer is adhered to the inner wall of the outer pipe.
As a preferable scheme of the utility model, the circumferential surface of the first composite layer is provided with annular grooves, and the inner wall of the second composite layer is provided with inner annular strips which are embedded in the corresponding annular grooves.
As a preferable mode of the utility model, the circumferential surface of the second composite layer is provided with a linear groove, and the inner wall of the third composite layer is provided with a linear strip which is embedded in the linear groove.
As a preferable scheme of the utility model, the inner tube is made of polytetrafluoroethylene material.
As a preferable scheme of the utility model, the first composite layer, the second composite layer and the third composite layer are all made of rubber materials, and the combined thickness of the first composite layer, the second composite layer and the third composite layer is 10-30 mm.
As a preferable scheme of the utility model, the buffer layer is made of glass fiber, and the thickness of the buffer layer is 5-10 mm.
As a preferable scheme of the utility model, the tail end of the outer tube is fixedly connected with a butt joint pipeline sleeve.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the scheme, the first composite layer, the second composite layer and the third composite layer are compounded to form the protective layer, the second composite layer is attached to the circumferential surface of the first composite layer through the inner annular strip, the third composite layer is attached to the circumferential surface of the second composite layer through the linear strip, the linear grooves and the linear strips are integrally and vertically structured to form a winding net with two layers being evenly distributed, the stretching resistance of the protective layer is effectively enhanced, the connection strength is enhanced, the vibration conduction caused by the outer tube can be counteracted, the damage to the inner tube caused by external vibration is reduced, and the inner tube is effectively prevented from generating cracks.
2. The buffer layer of this scheme is glass fiber material, and the buffer layer parcel plays the reinforcement effect to the protective layer that first composite layer, second composite layer and third composite layer are constituteed at the circumference surface of third composite layer, stops that it takes place deformation, prevents that outer tube and inner tube from producing the crack, increase of service life.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model.
In the drawings:
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a cross-sectional view of the present utility model;
FIG. 3 is an exploded view of the inner and outer pipelines of the present utility model;
fig. 4 is a view showing the construction of the inner tube mounting structure of the present utility model.
In the figure: 1. an outer tube; 2. an inner tube; 3. a first composite layer; 301. an annular groove; 4. a second composite layer; 401. a wire groove; 402. an inner annular strip; 5. a third composite layer; 501. a linear strip; 6. a buffer layer; 7. and (5) butting the pipeline sleeves.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Examples
Referring to fig. 1 to 4, the technical solution provided in this embodiment is as follows:
the polytetrafluoroethylene lining with the uniform film thickness comprises an outer pipe 1, an inner pipe 2 is arranged in the outer pipe 1, a first composite layer 3 is arranged on the circumferential surface of the inner pipe 2, a second composite layer 4 is arranged on the circumferential surface of the first composite layer 3, a third composite layer 5 is arranged on the circumferential surface of the second composite layer 4, a buffer layer 6 is arranged on the circumferential surface of the third composite layer 5, the buffer layer 6 is adhered to the inner wall of the outer pipe 1, an annular groove 301 is arranged on the circumferential surface of the first composite layer 3, an inner annular strip 402 is arranged on the inner wall of the second composite layer 4, the inner annular strip 402 is embedded in the corresponding annular groove 301, a linear groove 401 is arranged on the circumferential surface of the second composite layer 4, a linear strip 501 is arranged on the inner wall of the third composite layer 5, and the linear strip 501 is embedded in the linear groove 401.
In the specific embodiment of the utility model, the inner tube 2 is made of polytetrafluoroethylene material, a protective layer is formed by compositing the first composite layer 3, the second composite layer 4 and the third composite layer 5, the second composite layer 4 is jointed on the circumferential surface of the first composite layer 3 through the inner annular strip 402, the third composite layer 5 is jointed on the circumferential surface of the second composite layer 4 through the linear strip 501, and the linear grooves 401 and the linear strip 501 are integrally and vertically structured to form two layers of uniformly distributed winding nets, so that the stretching resistance of the protective layer is effectively enhanced, the connection strength is enhanced, the vibration conduction caused by the outer tube 1 can be counteracted, the damage to the inner tube 2 caused by external vibration is reduced, the inner tube 2 is effectively prevented from generating cracks, the buffer layer 6 is made of glass fiber material, the vibration effect of part of the outer tube 1 can be absorbed, the surface strength of the inner tube 2 is reinforced, the inner tube 2 is prevented from expanding and deforming, the probability of the inner tube 1 is reduced, and the service life of the outer tube 1 is prolonged.
Specifically, the first composite layer 3, the second composite layer 4 and the third composite layer 5 are all made of rubber materials, and the comprehensive thickness of the first composite layer 3, the second composite layer 4 and the third composite layer 5 is 10-30 mm.
In the specific embodiment of the utility model, the rubber material has good deformation resistance, the first composite layer 3, the second composite layer 4 and the third composite layer 5 are combined and sleeved, the first composite layer 3 wraps the circumferential surface of the inner pipe 2, the second composite layer 4 wraps the circumferential surface of the first composite layer 3, and the third composite layer 5 wraps the circumferential surface of the second composite layer 4, so that the integral structural strength is reinforced, the internal and external vibration effect can be absorbed, the protection effect on the inner pipe 2 is effectively improved, and the service life is further prolonged.
Specifically, the buffer layer 6 is made of glass fiber, and the thickness of the buffer layer 6 is 5-10 mm.
In the specific embodiment of the utility model, the buffer layer 6 wraps the circumferential surface of the third composite layer 5, and has a reinforcing effect on the protective layer formed by the first composite layer 3, the second composite layer 4 and the third composite layer 5, and prevents deformation of the protective layer and prevents cracks from being generated on the outer tube 1 and the inner tube 2.
Specifically, the end of the outer tube 1 is fixedly connected with a butt joint pipeline sleeve 7.
In the specific embodiment of the utility model, the edge of the butt joint pipeline sleeve 7 is provided with uniformly distributed mounting holes for butt joint of other pipelines.
Working principle: the protection layer is formed by compounding the first composite layer 3, the second composite layer 4 and the third composite layer 5, the second composite layer 4 is attached to the circumferential surface of the first composite layer 3 through the inner annular strip 402, the third composite layer 5 is attached to the circumferential surface of the second composite layer 4 through the linear strip 501, and the linear grooves 401 and the linear strip 501 are of an integral vertical structure to form two layers of uniformly distributed winding nets, so that the stretching resistance of the protection layer is effectively enhanced, the connection strength is enhanced, the vibration conduction caused by the outer tube 1 can be counteracted, the damage to the inner tube 2 caused by external vibration is reduced, the inner tube 2 is effectively avoided to generate cracks, the buffer layer 6 is made of glass fiber materials, the vibration effect of part of the outer tube 1 can be absorbed, the surface strength of the inner tube 2 is reinforced, the inner tube 2 is blocked from expanding and deforming, the probability of internal damage of the outer tube 1 is reduced, and the service life of the outer tube 1 is prolonged.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (7)
1. The utility model provides a membrane thickness even type tetrafluoro inside lining, includes outer tube (1), its characterized in that, be provided with inner tube (2) in outer tube (1), the circumference surface of inner tube (2) is provided with first composite layer (3), the circumference surface of first composite layer (3) is provided with second composite layer (4), the circumference surface of second composite layer (4) is provided with third composite layer (5), the circumference surface of third composite layer (5) is provided with buffer layer (6), buffer layer (6) adhere in the inner wall of outer tube (1).
2. The film thickness uniform tetrafluoro liner as claimed in claim 1, wherein: the circumferential surface of the first composite layer (3) is provided with an annular groove (301), the inner wall of the second composite layer (4) is provided with an inner annular strip (402), and the inner annular strip (402) is embedded in the corresponding annular groove (301).
3. The film thickness uniform tetrafluoro liner as claimed in claim 2, wherein: the circumference surface of the second composite layer (4) is provided with a linear groove (401), the inner wall of the third composite layer (5) is provided with a linear strip (501), and the linear strip (501) is embedded in the linear groove (401).
4. A film thickness uniform tetrafluoroliner as claimed in claim 3, wherein: the inner tube (2) is made of polytetrafluoroethylene material.
5. The film thickness uniform tetrafluoroliner as claimed in claim 4, wherein: the first composite layer (3), the second composite layer (4) and the third composite layer (5) are made of rubber materials, and the comprehensive thickness of the first composite layer (3), the second composite layer (4) and the third composite layer (5) is 10-30 mm.
6. The film thickness uniform tetrafluoroliner as claimed in claim 5, wherein: the buffer layer (6) is made of glass fiber, and the thickness of the buffer layer (6) is 5-10 mm.
7. The film thickness uniform tetrafluoroliner as claimed in claim 6, wherein: the tail end of the outer tube (1) is fixedly connected with a butt joint pipeline sleeve (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321699842.1U CN220118835U (en) | 2023-06-30 | 2023-06-30 | Film thickness uniform type tetrafluoro lining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321699842.1U CN220118835U (en) | 2023-06-30 | 2023-06-30 | Film thickness uniform type tetrafluoro lining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220118835U true CN220118835U (en) | 2023-12-01 |
Family
ID=88916895
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321699842.1U Active CN220118835U (en) | 2023-06-30 | 2023-06-30 | Film thickness uniform type tetrafluoro lining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220118835U (en) |
-
2023
- 2023-06-30 CN CN202321699842.1U patent/CN220118835U/en active Active
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