CN214889459U - a metal bellows - Google Patents
a metal bellows Download PDFInfo
- Publication number
- CN214889459U CN214889459U CN202120269150.8U CN202120269150U CN214889459U CN 214889459 U CN214889459 U CN 214889459U CN 202120269150 U CN202120269150 U CN 202120269150U CN 214889459 U CN214889459 U CN 214889459U
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- pipe body
- layer
- corrugated
- inner pipe
- outer pipe
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Abstract
本实用新型公开了一种金属波纹管，包括外管体、内管体和波纹槽，所述外管体的外表面设置有防腐层，所述防腐层的外表面设置覆塑层，所述外管体和内管体之间设置有保温层，所述波纹槽为螺纹状均匀设置于所述内管体上，所述内管体的内表面设置有化学镀层。本实用新型设有螺纹状的波纹槽，使得污水在波纹管内的阻力减小；内管体的内表面设有化学镀层，可以减少内管体受到污水的氧化腐蚀；内管体与外管体之间设置有保温层以及外管体外侧设有的覆塑层同时有着保温和防冻的作用；当覆塑层破裂时，防腐层可以对外管体进行保护，有着抗氧化的作用；最后通过内管体和外管体的双层设计使得金属波纹管的整体强度提高，以适应更为恶劣的气候条件。
The utility model discloses a metal corrugated pipe, which comprises an outer pipe body, an inner pipe body and a corrugated groove. An anti-corrosion layer is arranged on the outer surface of the outer pipe body, and a plastic coating layer is arranged on the outer surface of the An insulating layer is arranged between the outer pipe body and the inner pipe body, the corrugated grooves are uniformly arranged on the inner pipe body in a thread shape, and the inner surface of the inner pipe body is provided with an electroless plating layer. The utility model is provided with a threaded corrugated groove, so that the resistance of sewage in the corrugated pipe is reduced; the inner surface of the inner pipe body is provided with a chemical plating layer, which can reduce the oxidation corrosion of the inner pipe body by the sewage; the inner pipe body and the outer pipe body are There is a thermal insulation layer between them and a plastic coating layer on the outside of the outer pipe body, which has the functions of heat preservation and anti-freezing at the same time; when the plastic coating layer is broken, the anti-corrosion layer can protect the outer pipe body and has an anti-oxidation effect; The double-layer design of the tube body and the outer tube body improves the overall strength of the metal bellows to adapt to harsher weather conditions.
Description
Technical Field
The utility model relates to a corrugated metal pipe technical field particularly, relates to a corrugated metal pipe.
Background
The metal corrugated pipe is a pipe with a regular wave-like appearance, the commonly used metal corrugated pipe is made of carbon steel, and stainless steel, plastic-lined steel, aluminum, etc., metal corrugated pipes often provide fluid communication in piping systems during use, and because of the corrugated grooves formed in the inner walls of the metal corrugated pipes during long-term fluid delivery, therefore, the water flow is more turbulent than the ordinary pipeline, the oxidation effect of the liquid on the metal corrugated pipe is enhanced, secondly, in the metal corrugated pipe used in the highway engineering, the flow velocity of water flow is high, sand and stone are mixed in the water flow, the pipeline to corrugated metal pipe wears to corrode seriously, has directly influenced the life of pipeline, and corrugated metal pipe's outer wall is under the external environment simultaneously, uses easily when the temperature is lower and freezes, and humid air and rainwater are corroded for a long time and also can let its outer wall compare and change in the inner wall and be corroded.
An effective solution to the problems in the related art has not been proposed yet.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned technical problem among the correlation technique, the utility model provides a corrugated metal pipe can solve above-mentioned problem.
In order to achieve the technical purpose, the technical scheme of the utility model is realized as follows:
the utility model provides a corrugated metal pipe, includes outer body, interior body and ripple groove, the surface of outer body is provided with the anticorrosive coating, the surface setting of anticorrosive coating covers moulds the layer, be provided with the heat preservation between outer body and the interior body, the ripple groove for the screw thread form evenly set up in on the interior body, the internal surface of interior body is provided with the chemical plating layer.
Further, the outer tube and the inner tube are both made of stainless steel, aluminum or aluminum alloy materials.
Further, the plastic-coated layer is a PVC layer.
Furthermore, the heat-insulating layer is made of glass wool.
Further, the anticorrosive coating is an ES301 epoxy paint coating.
Furthermore, the chemical plating layer is chemical plating Ni-P.
The utility model has the advantages that: the utility model is provided with the thread-shaped corrugated groove, so that the resistance of the sewage in the corrugated pipe is reduced; the inner surface of the inner pipe body is provided with the chemical coating, so that the oxidation corrosion of the inner pipe body by sewage can be reduced; an insulating layer is arranged between the inner pipe body and the outer pipe body, and a plastic coating layer arranged on the outer side of the outer pipe body has the functions of insulating heat and preventing freezing; when the plastic-coated layer is broken, the anti-corrosion layer can protect the outer pipe body and has an anti-oxidation effect; and finally, the overall strength of the metal corrugated pipe is improved through the double-layer design of the inner pipe body and the outer pipe body so as to adapt to more severe weather conditions.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a metal corrugated pipe according to an embodiment of the present invention.
Fig. 2 is a schematic cross-sectional view of a metal bellows according to an embodiment of the present invention.
In the figure: 1. the outer pipe body, 2, the inner pipe body, 3, the corrugated groove, 4, the anticorrosive layer, 5, the plastic coating layer, 6, the heat preservation layer and 7, the chemical plating layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art all belong to the protection scope of the present invention.
As shown in fig. 1-2, according to the embodiment of the present invention, a corrugated metal pipe comprises an outer pipe body 1, an inner pipe body 2 and a corrugated groove 3, the outer surface of the outer pipe body 1 is provided with an anticorrosive coating 4, the outer surface of the anticorrosive coating 4 is provided with a plastic coating layer 5, a heat preservation layer 6 is provided between the outer pipe body 1 and the inner pipe body 2, the corrugated groove 3 is uniformly provided on the inner pipe body 2 for the thread shape, and the inner surface of the inner pipe body 2 is provided with a chemical plating layer 7.
In a specific embodiment of the present invention, the outer tube 1 and the inner tube 2 are made of stainless steel, aluminum or aluminum alloy.
In a specific embodiment of the present invention, the plastic-coated layer 5 is a PVC layer.
In a specific embodiment of the present invention, the heat insulating layer 6 is made of glass wool.
In a specific embodiment of the present invention, the corrosion protection layer 4 is an ES301 epoxy coating.
In one embodiment of the present invention, the electroless plating layer 7 is electroless plating Ni — P.
For the convenience of understanding the above technical solutions of the present invention, the above technical solutions of the present invention are explained in detail through specific use modes below.
When the corrugated metal pipe is used specifically, the resistance of sewage in the corrugated pipe is reduced through the thread-shaped corrugated grooves 3; the chemical plating layer 7 is arranged on the inner surface of the inner pipe body 2, so that the oxidation corrosion of the inner pipe body 2 by sewage can be reduced; an insulating layer 6 is arranged between the inner pipe body 2 and the outer pipe body 1, and a plastic coating layer 5 arranged outside the outer pipe body 1 has the functions of insulating heat and preventing freezing; when the plastic coating layer 5 is broken, the anti-corrosion layer 4 can protect the outer pipe body 1 and has an anti-oxidation effect; and finally, the overall strength of the metal corrugated pipe is improved through the double-layer structure design of the inner pipe body 2 and the outer pipe body 1 so as to adapt to more severe weather conditions.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The corrugated metal pipe is characterized by comprising an outer pipe body (1), an inner pipe body (2) and a corrugated groove (3), wherein an anticorrosive layer (4) is arranged on the outer surface of the outer pipe body (1), a plastic coating layer (5) is arranged on the outer surface of the anticorrosive layer (4), a heat insulation layer (6) is arranged between the outer pipe body (1) and the inner pipe body (2), the corrugated groove (3) is uniformly arranged on the inner pipe body (2) in a threaded manner, and a chemical plating layer (7) is arranged on the inner surface of the inner pipe body (2).
2. A metal bellows according to claim 1, wherein the outer tube (1) and the inner tube (2) are both made of stainless steel, aluminium or aluminium alloy material.
3. A corrugated metal pipe according to claim 1, wherein the plastic-coated layer (5) is a PVC layer.
4. A corrugated metal pipe according to claim 1, wherein the insulation layer (6) is glass wool.
5. A corrugated metal pipe according to claim 1, wherein the corrosion protection layer (4) is an ES301 epoxy paint coating.
6. A metal bellows according to claim 1, wherein the electroless plating (7) is electroless Ni-P plating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120269150.8U CN214889459U (en) | 2021-02-01 | 2021-02-01 | a metal bellows |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120269150.8U CN214889459U (en) | 2021-02-01 | 2021-02-01 | a metal bellows |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214889459U true CN214889459U (en) | 2021-11-26 |
Family
ID=78860404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120269150.8U Expired - Fee Related CN214889459U (en) | 2021-02-01 | 2021-02-01 | a metal bellows |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214889459U (en) |
-
2021
- 2021-02-01 CN CN202120269150.8U patent/CN214889459U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211126 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |