CN214889440U - High-performance steel-strip-reinforced polyethylene spiral corrugated pipe - Google Patents
High-performance steel-strip-reinforced polyethylene spiral corrugated pipe Download PDFInfo
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- CN214889440U CN214889440U CN202121661418.9U CN202121661418U CN214889440U CN 214889440 U CN214889440 U CN 214889440U CN 202121661418 U CN202121661418 U CN 202121661418U CN 214889440 U CN214889440 U CN 214889440U
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- pipe
- bellows
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- core pipe
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Abstract
The utility model provides a high performance steel band reinforcing polyethylene helical bellows, including the bellows body, the bellows body includes: the core pipe is formed by winding a cross-linked polyethylene sheet into a tubular shape; the steel belt is arranged in a V-shaped structure and wound on the core pipe in a uniform pitch; and the outer layer pipe is made of a cross-linked polyethylene sheet material and uniformly covers the outer side of the steel belt. The utility model has the advantages that: the corrugated pipe body is formed by compounding a core pipe, an outer layer pipe and a steel belt, so that the pipe wall with an integral structure is formed. The pipe has a series of physical and chemical properties such as good thermal deformation, wear resistance, chemical resistance, stress cracking resistance and the like.
Description
Technical Field
The utility model relates to a bellows, in particular to high performance steel band reinforcing polyethylene helical bellows.
Background
The steel band reinforced spiral corrugated pipe is one multilayer wall pipe, which is produced with Polyethylene (PE) resin as base body, steel band with adhesive resin coated to the surface and formed into corrugated structure as main support structure, and inner and outer layers of polyethylene compounded to form the steel band reinforced spiral corrugated pipe with straight inner wall. Therefore, the main characteristics (low friction coefficient, chemical resistance, light weight and the like) of the polyethylene pipe are maintained, and the omega-shaped steel strip reinforcing structure is blended, so that higher external load resistance is provided. The drainage and pollution discharge system is suitable for municipal administration, industry, agriculture, traffic engineering construction and the like. Due to its structural characteristics, ordinary polyethylene often cannot withstand higher temperatures, and has insufficient mechanical strength, limiting its application in many fields.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned not enough among the prior art, the utility model provides a high performance steel band reinforcing polyethylene helical bellows, its compact structure, tubular product have good heat deformability, wearability and chemical resistance nature.
In order to achieve the above object, the utility model adopts the following technical scheme:
a high performance steel band reinforced polyethylene helical bellows, includes the bellows body, the bellows body includes:
the core pipe is formed by winding a cross-linked polyethylene sheet into a tubular shape;
the steel belt is arranged in a V-shaped structure and wound on the core pipe in a uniform pitch;
and the outer layer pipe is made of a cross-linked polyethylene sheet material and uniformly covers the outer side of the steel belt.
As an improvement, the inner side of the steel belt is provided with bonding resin to be connected with the core pipe.
As an improvement, the core tube and the outer layer tube are both in a molten state when combined.
As an improvement, the corrugated pipe body is formed by extruding and compounding a core pipe and an outer layer pipe in a molten state.
The utility model has the advantages that:
the core pipe and the outer layer pipe in the utility model are made of cross-linked polyethylene (PE-X) materials, and have good sanitary performance and comprehensive mechanical and physical properties, so that the new generation of green pipe is used for conveying various fluids including drinking water and hot water. The cross-linked polyethylene pipe uses high-density polyethylene as a main raw material, and a linear macromolecular structure is converted into a space network structure through the action of high-energy ray or chemical initiation, so that the produced cross-linked polyethylene pipe can be used for a long time at a temperature of-75-95 ℃ (a short period of 110 ℃) and a pressure of 0.6-2MPa, and the service life of the pipe is as long as 50 years.
The pipe is formed by compounding the core pipe, the outer layer pipe and the steel belt, thereby forming a pipe wall with an integral structure. The pipe has a series of physical and chemical properties such as good thermal deformation, wear resistance, chemical resistance, stress cracking resistance and the like.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged schematic view of the structure A of the present invention;
reference symbol comparison table:
1-corrugated pipe body, 2-core pipe, 3-steel belt, 4-outer layer pipe and 5-bonding resin.
Detailed Description
The following describes the present invention with reference to the accompanying drawings. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
In order to make the content of the present invention more clearly understood, the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the attached drawings in the embodiment of the present invention.
As shown in fig. 1-2, a high-performance steel strip 3 reinforced polyethylene helical bellows comprises a bellows body 1, wherein the bellows body 1 comprises:
the core pipe 2 is formed by winding a cross-linked polyethylene sheet into a tubular shape;
the steel belt 3 is arranged in a V-shaped structure and wound on the core pipe 2 in a uniform pitch;
the outer layer pipe 4 is made of a cross-linked polyethylene sheet material and uniformly covers the outer side of the steel belt 3.
And the inner side of the steel belt 3 is provided with bonding resin 5 which is connected with the core pipe 2.
The core tube 2 and the outer layer tube 4 are both in a molten state when assembled.
The corrugated pipe body 1 is formed by extruding and compounding a core pipe 2 and an outer layer pipe 4 in a molten state.
When the device is used, firstly, a cross-linked polyethylene (PE-X) sheet is wound on a mandrel to form a solid-wall core pipe 2, then, a steel belt 3 pre-coated with adhesive resin 5 is formed into a V shape through a forming machine and a bending machine, then, the steel belt is wound on the mandrel 2 according to a preset screw pitch, and a layer of PE-X (outer layer pipe 4) is extruded to cover on a reinforcing material of the steel belt 3. Then, in a short time, the inner layer PE-X and the outer layer PE-X (the core pipe 2 and the outer layer pipe 4) in a molten state are compounded under a certain pressure, so that the core pipe 2, the steel strip 3 reinforcement and the outer layer pipe 4 are compounded, and the pipe wall with an integral structure is formed.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the present invention, and all modifications, equivalents, improvements and the like that are made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (4)
1. The utility model provides a high performance steel band reinforcing polyethylene helical bellows, includes the bellows body, its characterized in that, the bellows body includes:
the core pipe is formed by winding a cross-linked polyethylene sheet into a tubular shape;
the steel belt is arranged in a V-shaped structure and wound on the core pipe in a uniform pitch;
and the outer layer pipe is made of a cross-linked polyethylene sheet material and uniformly covers the outer side of the steel belt.
2. The high performance steel strip reinforced polyethylene helical bellows of claim 1, wherein: and the inner side of the steel belt is provided with bonding resin which is connected with the core pipe.
3. The high performance steel strip reinforced polyethylene helical bellows of claim 1, wherein: the core tube and the outer layer tube are both in a molten state when combined.
4. The high-performance steel-band-reinforced polyethylene helical bellows as claimed in claim 3, wherein the bellows body is formed by extruding and compounding a core tube and an outer tube in a molten state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121661418.9U CN214889440U (en) | 2021-07-21 | 2021-07-21 | High-performance steel-strip-reinforced polyethylene spiral corrugated pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121661418.9U CN214889440U (en) | 2021-07-21 | 2021-07-21 | High-performance steel-strip-reinforced polyethylene spiral corrugated pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214889440U true CN214889440U (en) | 2021-11-26 |
Family
ID=78909327
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121661418.9U Active CN214889440U (en) | 2021-07-21 | 2021-07-21 | High-performance steel-strip-reinforced polyethylene spiral corrugated pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214889440U (en) |
-
2021
- 2021-07-21 CN CN202121661418.9U patent/CN214889440U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 261000 southeast of the intersection of Luocheng street, Luosheng street and Donghuan Road, Shouguang City, Weifang City, Shandong Province Patentee after: Shandong Shengda New Material Technology Co.,Ltd. Address before: 261000 southeast of the intersection of Luocheng street, Luosheng street and Donghuan Road, Shouguang City, Weifang City, Shandong Province Patentee before: Shandong Shengda Pipe Co.,Ltd. |