CN217690662U - Long-life pyrocondensation pipe - Google Patents
Long-life pyrocondensation pipe Download PDFInfo
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- CN217690662U CN217690662U CN202220295867.4U CN202220295867U CN217690662U CN 217690662 U CN217690662 U CN 217690662U CN 202220295867 U CN202220295867 U CN 202220295867U CN 217690662 U CN217690662 U CN 217690662U
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Abstract
The utility model relates to a pyrocondensation pipe technical field, concretely relates to long-life pyrocondensation pipe. A long-life heat-shrinkable tube comprises a waterproof layer, an internal hot melt adhesive, an internal heat-shrinkable tube, a first anti-corrosion layer, an external hot melt adhesive, an external heat-shrinkable tube, a second anti-corrosion layer and a wear-resistant layer; the outer side of the waterproof layer is provided with internal hot melt adhesive; an inner heat shrinkage pipe is arranged at the outer side of the inner heat molten glue; a first anti-corrosion layer is arranged on the outer side of the inner heat shrink tube; an outer hot melt adhesive is arranged on the outer side of the first anti-corrosion layer; an outer heat-shrinkable tube is arranged on the outer side of the outer hot melt adhesive; a second anti-corrosion layer is arranged on the outer side of the outer heat-shrinkable tube; and a wear-resistant layer is arranged on the outer side of the second anti-corrosion layer. The utility model provides high pyrocondensation pipe's leakproofness, corrosion resistance, waterproof nature and wearability have effectively prolonged the life of pyrocondensation pipe.
Description
Technical Field
The utility model relates to a pyrocondensation pipe technical field especially relates to a long-life pyrocondensation pipe.
Background
The heat shrinkable tube is a special polyolefin heat shrinkable sleeve, is heated to a high elastic state during production, is expanded by applying a load, is rapidly cooled under the condition of keeping the expansion, and enters a glass state, and the state is fixed; when heated during use, it returns to its high elastic state, but when the load is not present, it retracts. Has the advantages of high-temperature shrinkage, softness, flame retardance and the like. The method can be widely applied to connection of wires, wire end treatment, welding spot protection, wire harness identification, insulation protection of resistance and capacitance, corrosion protection of metal bars or pipes, protection of antennas and the like. However, in practical applications, there are some disadvantages, such as abrasion and corrosion after a period of use, which affect the service life of the heat shrinkable tube.
SUMMERY OF THE UTILITY MODEL
Based on this, it is necessary to provide a long-life heat shrinkable tube having a double-layer design and excellent wear resistance and corrosion resistance, in view of the problems of the conventional heat shrinkable tube.
A long-life heat-shrinkable tube comprises a waterproof layer, an internal hot melt adhesive, an internal heat-shrinkable tube, a first anti-corrosion layer, an external hot melt adhesive, an external heat-shrinkable tube, a second anti-corrosion layer and a wear-resistant layer; the outer side of the waterproof layer is provided with internal hot melt adhesive; an inner heat shrinkage pipe is arranged at the outer side of the inner heat molten glue; a first anti-corrosion layer is arranged on the outer side of the inner heat shrink tube; an outer hot melt adhesive is arranged on the outer side of the first anti-corrosion layer; an outer heat-shrinkable tube is arranged on the outer side of the outer hot melt adhesive; a second anti-corrosion layer is arranged on the outer side of the outer heat-shrinkable tube; and a wear-resistant layer is arranged on the outer side of the second anti-corrosion layer.
In one embodiment, the waterproof layer is any one of a polyvinyl chloride coating layer, a polyisobutylene coating layer, and a polyurethane coating layer.
In one embodiment, the thickness of the waterproof layer is set to be 0.1 mm-1 mm.
In one embodiment, the first anti-corrosion layer is a nano-silica coating.
In one embodiment, the thickness of the first anti-corrosion layer is set to be 0.1mm to 1mm.
In one embodiment, the second anti-corrosion layer is a phenolic resin coating.
In one embodiment, the thickness of the second anti-corrosion layer is set to be 0.5mm to 1mm.
In one embodiment, the inner side of the first anti-corrosion layer is coated with an adhesive, and the first anti-corrosion layer is adhered with the inner heat-shrinkable tube through the adhesive; the inner side of the second anti-corrosion layer is coated with an adhesive, and the second anti-corrosion layer is adhered with an outer heat-shrinkable tube through the adhesive.
In one embodiment, the wear layer is a natural rubber layer.
In one embodiment, the thickness of the wear-resistant layer is set to be 1mm to 2mm.
The utility model has the advantages as follows:
the utility model provides a long-life heat-shrinkable tube, which improves the sealing performance of the heat-shrinkable tube by arranging an internal heat-shrinkable adhesive, an internal heat-shrinkable tube, an external hot melt adhesive and an external heat-shrinkable tube; the corrosion resistance of the heat shrinkable tube is enhanced by arranging the first corrosion resistant layer and the second corrosion resistant layer; the waterproof performance of the heat shrinkable tube is enhanced by arranging a waterproof layer; the wear-resisting property of the heat shrinkable tube is enhanced by arranging the wear-resisting layer, so that the service life of the heat shrinkable tube is effectively prolonged, and the heat shrinkable tube is suitable for application in different environments.
Drawings
Fig. 1 is a schematic cross-sectional view of a long-life heat shrinkable tube of the present invention.
Description of reference numerals: the heat-shrinkable tube comprises a waterproof layer 1, an internal hot melt adhesive 2, an internal heat-shrinkable tube 3, a first anti-corrosion layer 4, an external hot melt adhesive 5, an external heat-shrinkable tube 6, a second anti-corrosion layer 7 and a wear-resistant layer 8.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully below. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
Referring to fig. 1, a long-life heat shrinkable tube according to an embodiment of the present invention includes a waterproof layer 1, an inner heat-shrinkable tube 2, an inner heat-shrinkable tube 3, a first anti-corrosion layer 4, an outer heat-shrinkable tube 5, an outer heat-shrinkable tube 6, a second anti-corrosion layer 7, and a wear-resistant layer 8; an internal hot melt adhesive 2 is arranged on the outer side of the waterproof layer 1; an inner heat-shrinkable tube 3 is arranged at the outer side of the inner heat-fusible glue 2; a first anti-corrosion layer 4 is arranged on the outer side of the inner heat shrinkable tube 3; an outer hot melt adhesive 5 is arranged on the outer side of the first anti-corrosion layer 4; an outer heat-shrinkable tube 6 is arranged on the outer side of the outer hot melt adhesive 5; a second anti-corrosion layer 7 is arranged on the outer side of the outer heat shrinkable tube 6; and the outer side of the second anti-corrosion layer 7 is provided with an anti-wear layer 8.
The waterproof layer 1 is any one of a polyvinyl chloride coating layer, a polyisobutylene coating layer and a polyurethane coating layer; the thickness of the waterproof layer 1 is set to be 0.1 mm-1 mm. Prevent liquid leakage in the pyrocondensation pipe, effectively strengthen the waterproof performance of pyrocondensation pipe.
The first anti-corrosion layer 4 is a nano silicon dioxide coating; the thickness of the first anti-corrosion layer 4 is set to be 0.1 mm-1 mm. The inner side of the first anticorrosion layer 4 is coated with an adhesive, and the first anticorrosion layer 4 is adhered with the inner heat shrinkable tube 3 through the adhesive. When acidic substances in the environment permeate into the heat-shrinkable tube, the inner shrinkable tube 3 and the inner hot melt adhesive 2 can be protected, the corrosion resistance of the heat-shrinkable tube is enhanced, and the service life of the heat-shrinkable tube is prolonged.
The second anti-corrosion layer 7 is a phenolic resin coating; the thickness of the second anti-corrosion layer 7 is set to be 0.5mm to 1mm. The inner side of the second anti-corrosion layer 7 is coated with an adhesive, and the second anti-corrosion layer 7 is adhered with the outer heat shrinkable tube 6 through the adhesive. When acidic substances in the environment permeate into the heat shrinkable tube, the outer shrinkable tube 6 and the outer hot melt adhesive 5 can be protected, the corrosion resistance of the heat shrinkable tube is enhanced, and the service life of the heat shrinkable tube is prolonged.
The inner heat shrinkable tube 3 and the outer heat shrinkable tube 6 are polyolefin layers, and when the temperature rises, the inner heat shrinkable tube 3 and the outer heat shrinkable tube 6 are shrunk inwards. The wear-resistant layer 8 is a natural rubber layer; the thickness of the wear-resistant layer 8 is set to be 1-2 mm. And the wear resistance of the heat shrinkable tube is enhanced, and the service life of the heat shrinkable tube is prolonged.
The utility model improves the sealing performance of the heat shrinkable tube by the double-layer arrangement of the inner heat shrinkable tube 2, the inner heat shrinkable tube 3, the outer heat shrinkable tube 5 and the outer heat shrinkable tube 6; the corrosion resistance of the heat shrinkable tube is enhanced through the double-layer arrangement of the first corrosion-resistant layer 4 and the second corrosion-resistant layer 7; the waterproof performance of the heat shrinkable tube is enhanced by arranging a waterproof layer 1; the wear-resisting property of the heat shrinkable tube is enhanced by arranging the wear-resisting layer 8, and the service life of the heat shrinkable tube is effectively prolonged.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. A long-life pyrocondensation pipe which characterized in that: the heat-resistant anti-corrosion coating comprises a waterproof layer, an internal hot melt adhesive, an internal heat-shrinkable tube, a first anti-corrosion layer, an external hot melt adhesive, an external heat-shrinkable tube, a second anti-corrosion layer and a wear-resistant layer; the outer side of the waterproof layer is provided with internal hot melt adhesive; an inner heat shrinkage pipe is arranged at the outer side of the inner heat molten glue; a first anti-corrosion layer is arranged on the outer side of the inner heat shrink tube; an outer hot melt adhesive is arranged on the outer side of the first anti-corrosion layer; an outer heat-shrinkable tube is arranged on the outer side of the outer hot melt adhesive; a second anti-corrosion layer is arranged on the outer side of the outer heat-shrinkable tube; and a wear-resistant layer is arranged on the outer side of the second anti-corrosion layer.
2. The long life heat shrinkable tube of claim 1, wherein the waterproof layer is any one of a polyvinyl chloride coating layer, a polyisobutylene coating layer, and a polyurethane coating layer.
3. The long-life heat shrinkable tube according to claim 2, wherein a thickness of the waterproof layer is set to 0.1mm to 1mm.
4. The long life heat shrink tube of claim 1, wherein said first anti-corrosion layer is a nano silica coating.
5. The long-life heat shrinkable tube according to claim 4, wherein a thickness of the first corrosion resistant layer is set to 0.1mm to 1mm.
6. The long life heat shrink tube of claim 1, wherein said second anti-corrosion layer is a phenolic resin coating.
7. The long life heat shrinkable tube according to claim 6, wherein a thickness of the second anti-corrosion layer is set to 0.5mm to 1mm.
8. The long life heat shrinkable tube of claim 1, wherein an inner side of the first corrosion resistant layer is coated with an adhesive, and the first corrosion resistant layer is bonded to the inner heat shrinkable tube by the adhesive; the inner side of the second anti-corrosion layer is coated with an adhesive, and the second anti-corrosion layer is adhered with an outer heat-shrinkable tube through the adhesive.
9. The long life heat shrinkable tube of claim 1, wherein said wear layer is a natural rubber layer.
10. The long life heat shrinkable tube according to claim 9, wherein a thickness of the abrasion resistant layer is set to 1mm to 2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220295867.4U CN217690662U (en) | 2022-02-14 | 2022-02-14 | Long-life pyrocondensation pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220295867.4U CN217690662U (en) | 2022-02-14 | 2022-02-14 | Long-life pyrocondensation pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217690662U true CN217690662U (en) | 2022-10-28 |
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ID=83728576
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220295867.4U Active CN217690662U (en) | 2022-02-14 | 2022-02-14 | Long-life pyrocondensation pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217690662U (en) |
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2022
- 2022-02-14 CN CN202220295867.4U patent/CN217690662U/en active Active
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