CN207005495U - A kind of CM double-wall corrugated pipes - Google Patents
A kind of CM double-wall corrugated pipes Download PDFInfo
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- CN207005495U CN207005495U CN201720932066.3U CN201720932066U CN207005495U CN 207005495 U CN207005495 U CN 207005495U CN 201720932066 U CN201720932066 U CN 201720932066U CN 207005495 U CN207005495 U CN 207005495U
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- hook extension
- tube layer
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- wall
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Abstract
The utility model discloses a kind of CM double-wall corrugated pipes, ecto-entad includes external tube layer successively, thermal insulation layer, insulation screen, the body of interior tube layer composition, the external tube layer is continuous wavelike structure, the straight tube structure of the interior walls be smooth of said inner tube, the both ends of the body are respectively equipped with outer hook extension and interior hook extension, the outer hook extension matches with interior hook extension, sealing ring is equipped with the inside of the outer hook extension and interior hook extension, it is trapezoidal reinforcing washer that the outer wall of said inner tube layer, which is corresponded at external tube layer crest provided with section, some brace rods are provided between the inwall of the reinforcing washer and external tube layer, the outer wall of the external tube layer is provided with epoxy resin layer.The CM double-wall corrugated pipe sound constructions, construction and installation are convenient, and with good resistance to ag(e)ing, anti-flammability, insulating properties, not cracky after tubing is pressurized, have longer service life.
Description
Technical field
It the utility model is related to a kind of tubing, in particular to a kind of CM double-wall corrugated pipes.
Background technology
At present, bellows is widely used in each side with its advantages that cheap, installation facilitates, intensity is high
Face, using most especially in terms of plumbing and power cable protection.Polyethylene pipe is one kind in corrugated pipe, has corrosion resistant
The advantages that property is good, heat endurance is good, and electrical insulating property is good, and pipe friction coefficient is small.But polytene corrugated tube still exist it is fire-retardant
Performance is undesirable, it is easy to aging the problems such as.
Utility model content
The purpose of this utility model is to provide for a kind of CM double-wall corrugated pipes, and the bellows structure is firm, construction and installation
It is convenient, and with good resistance to ag(e)ing, anti-flammability, insulating properties, not cracky after tubing is pressurized, have and longer use the longevity
Life.
In order to achieve the above object, the utility model provides following technical scheme：A kind of CM double-wall corrugated pipes, by extroversion
Inside include external tube layer, thermal insulation layer, insulation screen, the body of interior tube layer composition successively, the external tube layer is continuous wavy
Structure, the straight tube structure of the interior walls be smooth of said inner tube, the both ends of the body are respectively equipped with outer hook extension and the extension of interior hook
Portion, the outer hook extension match with interior hook extension, and sealing is equipped with the inside of the outer hook extension and interior hook extension
Circle, the outside of the interior hook extension are provided with the fixture of regular polygon, and the fixture is provided with symmetrically arranged engaging lug,
It is trapezoidal reinforcing washer that the outer wall of said inner tube layer, which is corresponded at external tube layer crest provided with section, the reinforcing washer and external tube layer
Inwall between be provided with some brace rods, the outer wall of the external tube layer is provided with epoxy resin layer.
It is further preferred that the wall thickness of the outer hook extension and interior hook extension is less than the wall thickness of body most narrow end, and
More than the half of the wall thickness of body most narrow end.
It is further preferred that the internal diameter of the fixture matches with interior hook extension, two up and down of the fixture
Divide and connection is combined by nut.
It is further preferred that the quantity of the brace rod is four.
It is further preferred that the angle of 10 to 45 degree is formed between the adjacent brace rod.
The beneficial effects of the utility model：The CM double-wall corrugated pipe sound constructions, construction and installation are convenient, and with good
Resistance to ag(e)ing, anti-flammability, insulating properties, not cracky after tubing is pressurized, there is longer service life.
Brief description of the drawings
Accompanying drawing 1 is the combining structure schematic diagram of described two bodys.
Accompanying drawing 2 is the structural representation of the fixture.
Marginal data：1st, external tube layer；2nd, thermal insulation layer；3rd, insulation screen；4th, interior tube layer；5th, outer hook extension；6th, interior hook
Extension；7th, fixture；8th, reinforcing washer；9th, brace rod；71st, engaging lug；90th, sealing ring；91st, epoxy resin layer.
Embodiment
We are described further with reference to accompanying drawing to a kind of CM double-wall corrugated pipes described in the utility model below.
As shown in Figures 1 and 2, a kind of CM double-wall corrugated pipes of the present embodiment, ecto-entad successively include external tube layer 1,
The body that thermal insulation layer 2, insulation screen 3, interior tube layer 4 form, the external tube layer 1 is continuous wavelike structure, said inner tube 4
Interior walls be smooth straight tube structure, the both ends of the body are respectively equipped with outer hook extension 5 and interior hook extension 6, the outer hook
Extension 5 matches with interior hook extension 6, and the outer hook extension 5 and the inner side of interior hook extension 6 are equipped with sealing ring 90, institute
The outside for stating interior hook extension 6 is provided with the fixture 7 of regular polygon, and the fixture 7 is provided with symmetrically arranged engaging lug 71,
It is trapezoidal reinforcing washer 8 that the outer wall of said inner tube layer 4, which is corresponded at the crest of external tube layer 1 provided with section, the reinforcing washer 8 with it is outer
Some brace rods 9 are provided between the inwall of tube layer 1, the outer wall of the external tube layer 1 is provided with epoxy resin layer 91.The outer hook prolongs
The wall thickness of extending portion 5 and interior hook extension 6 is less than the wall thickness of body most narrow end, and the half of the wall thickness more than body most narrow end.Should
Tubing is easy to connect, is connected by outer hook extension with interior hook extension, then by fixture to the company between tubing
Socket part carries out further fixed reinforcement, improves sealing.
In the present embodiment, the internal diameter of the fixture 7 matches with interior hook extension 6, two up and down of the fixture 7
Divide and connection is combined by nut.It is easy to the connection of tubing to install and repair.
In the present embodiment, the quantity of the brace rod 9 is four.10 to 45 degree are formed between the adjacent brace rod 9
Angle.The compressive property of tubing is improved, prevents the damaged situation of local compression.
The scope of protection of the utility model is not limited to above example and its conversion.Those skilled in that art are with this implementation
The conventional modification and replacement carried out based on the content of example, belongs to protection category of the present utility model.
Claims (5)
- A kind of 1. CM double-wall corrugated pipes, it is characterised in that：Ecto-entad includes external tube layer, thermal insulation layer, insulation screen, interior successively The body of tube layer composition, the external tube layer is continuous wavelike structure, and the straight tube structure of the interior walls be smooth of said inner tube is described The both ends of body are respectively equipped with outer hook extension and interior hook extension, and the outer hook extension matches with interior hook extension, institute State and sealing ring is equipped with the inside of outer hook extension and interior hook extension, the outside of the interior hook extension is provided with consolidating for regular polygon Determine part, the fixture is provided with symmetrically arranged engaging lug, and the outer wall of said inner tube layer is corresponded to be provided with external tube layer crest and cut Face is trapezoidal reinforcing washer, and some brace rods, the external tube layer are provided between the inwall of the reinforcing washer and external tube layer Outer wall be provided with epoxy resin layer.
- A kind of 2. CM double-wall corrugated pipes according to claim 1, it is characterised in that：The outer hook extension and the extension of interior hook The wall thickness in portion is less than the wall thickness of body most narrow end, and the half of the wall thickness more than body most narrow end.
- A kind of 3. CM double-wall corrugated pipes according to claim 1, it is characterised in that：The internal diameter of the fixture prolongs with interior hook Extending portion matches, and two parts up and down of the fixture are combined connection by nut.
- A kind of 4. CM double-wall corrugated pipes according to claim 1, it is characterised in that：The quantity of the brace rod is four.
- A kind of 5. CM double-wall corrugated pipes according to claim 1, it is characterised in that：Formed between the adjacent brace rod The angle of 10 to 45 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720932066.3U CN207005495U (en) | 2017-07-28 | 2017-07-28 | A kind of CM double-wall corrugated pipes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720932066.3U CN207005495U (en) | 2017-07-28 | 2017-07-28 | A kind of CM double-wall corrugated pipes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207005495U true CN207005495U (en) | 2018-02-13 |
Family
ID=61457311
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720932066.3U Active CN207005495U (en) | 2017-07-28 | 2017-07-28 | A kind of CM double-wall corrugated pipes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207005495U (en) |
-
2017
- 2017-07-28 CN CN201720932066.3U patent/CN207005495U/en active Active
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