CN219510322U - Double-layer corrugated pipe structure - Google Patents
Double-layer corrugated pipe structure Download PDFInfo
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- CN219510322U CN219510322U CN202320762478.2U CN202320762478U CN219510322U CN 219510322 U CN219510322 U CN 219510322U CN 202320762478 U CN202320762478 U CN 202320762478U CN 219510322 U CN219510322 U CN 219510322U
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- corrugated pipe
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- outer side
- double
- waterproof
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/20—Controlling water pollution; Waste water treatment
Abstract
The utility model discloses a double-layer corrugated pipe structure which comprises a first corrugated pipe and a second corrugated pipe arranged on the outer side of the first corrugated pipe, wherein connectors are arranged at two ends of the first corrugated pipe, and sealing flanges are arranged on the outer side of the connectors; the novel waterproof corrugated pipe comprises a first corrugated pipe and a second corrugated pipe, wherein a cavity is formed between the first corrugated pipe and the second corrugated pipe, a waterproof component is arranged on the inner side of the first corrugated pipe, a first corrosion-resistant layer is arranged on the outer side of the waterproof component, reinforcing ribs are arranged on the outer side wall of the first corrugated pipe, a fireproof component is arranged on the inner side wall of the second corrugated pipe, uniformly distributed supporting rings are arranged on the outer side of the fireproof component, and a second corrosion-resistant layer is arranged on the outer side wall of the second corrugated pipe. The double-layer corrugated pipe structure is simple and practical in structure, good in anti-freezing and heat-insulating effects, and high in pressure resistance, and has certain fireproof capacity, and the pipe wall strength is enhanced.
Description
Technical Field
The utility model relates to the technical field of corrugated pipes, in particular to a double-layer corrugated pipe structure.
Background
The corrugated pipe is a tubular elastic sensitive element formed by connecting foldable corrugated sheets along the folding and stretching directions and mainly comprises a metal corrugated pipe, a corrugated expansion joint, a corrugated heat exchange pipe, a membrane die, a metal hose and the like.
The corrugated pipe is mainly applied to culverts of projects such as roads, railways, small bridges and the like. However, the existing corrugated pipe has the defects that the wall of a plurality of pipes is too thin, the compressive capacity is poor, running water passes through the corrugated pipe, the corrugated pipe is easy to corrode, and frost cracking is easy to occur in winter.
Disclosure of Invention
The utility model aims to provide a double-layer corrugated pipe structure which is simple and practical in structure, good in anti-freezing and heat-insulating effects, and high in pressure resistance, and has a certain fireproof capacity, and the pipe wall strength is enhanced.
In order to achieve the above purpose, the utility model provides a double-layer corrugated pipe structure, which comprises a first corrugated pipe and a second corrugated pipe arranged outside the first corrugated pipe, wherein connectors are arranged at two ends of the first corrugated pipe, and sealing flanges are arranged outside the connectors;
the novel waterproof corrugated pipe comprises a first corrugated pipe and a second corrugated pipe, wherein a cavity is formed between the first corrugated pipe and the second corrugated pipe, a waterproof component is arranged on the inner side of the first corrugated pipe, a first corrosion-resistant layer is arranged on the outer side of the waterproof component, reinforcing ribs are arranged on the outer side wall of the first corrugated pipe, uniformly distributed supporting rings are arranged on the inner side wall of the second corrugated pipe, a fireproof component is arranged on the outer side wall of the second corrugated pipe, and a second corrosion-resistant layer is arranged on the outer side of the fireproof component.
Preferably, the first corrugated pipe and the second corrugated pipe are coaxially arranged.
Preferably, the waterproof assembly comprises a hydrophobic layer arranged on the inner side wall of the first corrugated pipe, and a water-resistant layer is arranged on the outer layer of the hydrophobic layer.
Preferably, the fireproof assembly comprises a flame retardant layer and a fireproof layer arranged on the outer side of the flame retardant layer.
Preferably, rubber and asbestos fiber are filled in the cavity, and a flame retardant is added in the rubber.
Preferably, a protrusion is provided on the outer sidewall of the second bellows.
Therefore, the double-layer corrugated pipe structure has the following technical effects:
(1) The double-layer protection structure is used for internal and external protection by arranging the first corrugated pipe and the second corrugated pipe at the outer side of the first corrugated pipe;
(2) The connectors and the sealing flanges are arranged on the two sides of the pipe body, so that the other corrugated pipes can be connected, and the sealing degree is high;
(3) The waterproof component and the first corrosion resistant layer are arranged on the inner side of the first corrugated pipe, so that the corrosion resistance and the waterproof capacity of the inner part of the corrugated pipe are enhanced;
(4) The inner side of the second corrugated pipe is provided with a fireproof assembly, the outer side of the second corrugated pipe is provided with a second corrosion resistant layer, so that the corrosion resistance of the outer part of the corrugated pipe is enhanced, and the inner rubber material is also fireproof protected;
(5) Rubber and asbestos fiber are filled in a cavity between the first corrugated pipe and the second corrugated pipe, the rubber enhances the compression resistance of the corrugated pipe, a flame retardant is added in the rubber, the fireproof capacity is further improved, the heat insulation performance of the corrugated pipe is enhanced due to the arrangement of the asbestos fiber, and the corrugated pipe is not easy to frost crack in winter;
(6) By arranging the reinforcing ribs and the supporting rings, the compression resistance of the corrugated pipe is further enhanced.
The technical scheme of the utility model is further described in detail through the drawings and the embodiments.
Drawings
FIG. 1 is a front view of a double-layer bellows structure of the present utility model;
FIG. 2 is a partial side view of a double-layer bellows structure of the present utility model;
fig. 3 is an enlarged view of a fire protection assembly of a double-layered bellows structure according to the present utility model;
fig. 4 is an enlarged view of a waterproof assembly of a double-layered bellows structure according to the present utility model.
Reference numerals
1. A first bellows; 2. a second bellows; 3. a cavity; 4. a waterproof assembly; 401. a hydrophobic layer; 402. a water blocking layer; 5. a first corrosion resistant layer; 6. reinforcing ribs; 7. a support ring; 8. a fire protection assembly; 801. a flame retardant layer; 802. a refractory layer; 9. a second corrosion resistant layer; 10. a protrusion; 11. a connector; 12. and (5) sealing the flange.
Detailed Description
The technical scheme of the utility model is further described below through the attached drawings and the embodiments.
Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this utility model belongs. The terms "first," "second," and the like, as used herein, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that elements or items preceding the word are included in the element or item listed after the word and equivalents thereof, but does not exclude other elements or items. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.
Example 1
As shown in the figure, the double-layer corrugated pipe structure comprises a first corrugated pipe 1 and a second corrugated pipe 2 arranged outside the first corrugated pipe 1, wherein the first corrugated pipe 1 and the second corrugated pipe 2 are coaxially arranged. Connectors 11 are arranged at two ends of the first corrugated pipe 1, and sealing flanges 12 are arranged outside the connectors 11; the connecting head 11 and the sealing flange 12 can be connected with the next section of corrugated pipe, and the sealing flange 12 improves the tightness of the corrugated pipe during connection to a certain extent.
A cavity 3 is arranged between the first corrugated pipe 1 and the second corrugated pipe 2, and rubber and asbestos fibers are filled in the cavity 3. The rubber is filled in the cavity 3 to enhance the whole compression resistance of the corrugated pipe, and the rubber plays a role in buffering when being extruded by the outside; the asbestos fiber plays a role in heat preservation, and the frost crack of the corrugated pipe caused by the excessively low air temperature in winter is prevented.
The inside of the first corrugated pipe 1 is provided with a waterproof component 4, the waterproof component 4 comprises a hydrophobic layer 401 arranged on the inner side wall of the first corrugated pipe 1, and the outer layer of the hydrophobic layer 401 is provided with a waterproof layer 402. The waterproof assembly 4 is provided with a first corrosion resistant layer 5 on the outside. The first corrosion resistant layer 5 may protect the interior of the bellows from corrosion. The outer side wall of the first corrugated pipe 1 is provided with the reinforcing ribs 6, and the reinforcing ribs 6 can strengthen the toughness of the corrugated pipe.
The second bellows 2 inside wall is provided with evenly distributed's supporting ring 7, and the supporting ring is steel material, when receiving external extrusion, the supporting ring 7 can play the guard action, has strengthened the compressive capacity of bellows.
A fireproof assembly 8 is arranged on the inner side wall of the second corrugated pipe 2, and the fireproof assembly 8 is positioned between the second corrugated pipe 2 and the supporting ring 7. The fire protection assembly 8 includes a fire retardant layer 801 and a fire retardant layer 802 disposed outside the fire retardant layer 801. The second corrosion resistant layer 9 is arranged on the outer side of the second corrugated pipe 2, and the second corrosion resistant layer 9 can prevent the corrugated pipe from being corroded by the outside.
Through the setting of waterproof subassembly 4, fire prevention subassembly 8, first corrosion resistant layer 5, second corrosion resistant layer 9, strengthened the anticorrosive ability of bellows inside, outside, its inside waterproof ability, fire prevention ability of having still been strengthened.
The outer side wall of the second corrugated pipe 2 is provided with the bulge 10, when the corrugated pipe is impacted externally, the bulge 10 can slow down the impact force to a certain extent, and the compression resistance of the corrugated pipe is enhanced.
Therefore, the double-layer corrugated pipe structure is adopted, and the first corrugated pipe and the second corrugated pipe at the outer side of the first corrugated pipe are arranged, so that the double-layer protection structure is used for internal and external protection; the connectors and the sealing flanges are arranged on the two sides of the pipe body, so that the other corrugated pipes can be connected, and the sealing degree is high; the waterproof component and the first corrosion resistant layer are arranged on the inner side of the first corrugated pipe, so that the corrosion resistance and the waterproof capacity of the inner part of the corrugated pipe are enhanced; the inner side of the second corrugated pipe is provided with a fireproof assembly, the outer side of the second corrugated pipe is provided with a second corrosion resistant layer, so that the corrosion resistance of the outer part of the corrugated pipe is enhanced, and the inner rubber material is also fireproof protected; rubber and asbestos fiber are filled in a cavity between the first corrugated pipe and the second corrugated pipe, the rubber enhances the compression resistance of the corrugated pipe, a flame retardant is added in the rubber, the fireproof capacity is further improved, the heat insulation performance of the corrugated pipe is enhanced due to the arrangement of the asbestos fiber, and the corrugated pipe is not easy to frost crack in winter; by arranging the reinforcing ribs and the supporting rings, the compression resistance of the corrugated pipe is further enhanced.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting it, and although the present utility model has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that: the technical scheme of the utility model can be modified or replaced by the same, and the modified technical scheme cannot deviate from the spirit and scope of the technical scheme of the utility model.
Claims (6)
1. A double-deck bellows structure, its characterized in that: the corrugated pipe comprises a first corrugated pipe and a second corrugated pipe arranged on the outer side of the first corrugated pipe, wherein connectors are arranged at two ends of the first corrugated pipe, and sealing flanges are arranged on the outer sides of the connectors;
the novel waterproof corrugated pipe comprises a first corrugated pipe and a second corrugated pipe, wherein a cavity is formed between the first corrugated pipe and the second corrugated pipe, a waterproof component is arranged on the inner side of the first corrugated pipe, a first corrosion-resistant layer is arranged on the outer side of the waterproof component, reinforcing ribs are arranged on the outer side wall of the first corrugated pipe, a fireproof component is arranged on the inner side wall of the second corrugated pipe, uniformly distributed supporting rings are arranged on the outer side of the fireproof component, and a second corrosion-resistant layer is arranged on the outer side wall of the second corrugated pipe.
2. A double-layer bellows structure according to claim 1, characterized in that: the first corrugated pipe and the second corrugated pipe are coaxially arranged.
3. A double-layer bellows structure according to claim 1, characterized in that: the waterproof assembly comprises a hydrophobic layer arranged on the inner side wall of the first corrugated pipe, and a waterproof layer is arranged on the outer layer of the hydrophobic layer.
4. A double-layer bellows structure according to claim 1, characterized in that: the fireproof assembly comprises a flame retardant layer and a fireproof layer arranged on the outer side of the flame retardant layer.
5. A double-layer bellows structure according to claim 1, characterized in that: rubber and asbestos fiber are filled in the cavity, and a flame retardant is added in the rubber.
6. A double-layer bellows structure according to claim 1, characterized in that: and a bulge is arranged on the outer side wall of the second corrugated pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320762478.2U CN219510322U (en) | 2023-04-07 | 2023-04-07 | Double-layer corrugated pipe structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320762478.2U CN219510322U (en) | 2023-04-07 | 2023-04-07 | Double-layer corrugated pipe structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219510322U true CN219510322U (en) | 2023-08-11 |
Family
ID=87549240
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320762478.2U Active CN219510322U (en) | 2023-04-07 | 2023-04-07 | Double-layer corrugated pipe structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219510322U (en) |
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2023
- 2023-04-07 CN CN202320762478.2U patent/CN219510322U/en active Active
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