CN209540225U - A kind of polyethylene enhancing helical bellows - Google Patents
A kind of polyethylene enhancing helical bellows Download PDFInfo
- Publication number
- CN209540225U CN209540225U CN201822126545.3U CN201822126545U CN209540225U CN 209540225 U CN209540225 U CN 209540225U CN 201822126545 U CN201822126545 U CN 201822126545U CN 209540225 U CN209540225 U CN 209540225U
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- layer
- polyethylene
- elastic rubber
- helical bellows
- steel screen
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Abstract
A kind of polyethylene enhancing helical bellows, are related to polyethylene pipe preparation field.Including set gradually from outside to inside outer polyethylene layer, the first resin layer, steel screen layer, the second resin layer, elastic rubber layer, third resin layer, inner polyethylene layer；The cross fibre net being distributed on elastic rubber layer；Annular wave intensive aspect outside outer polyethylene layer is set；The steel band reinforcing rib being located inside annular wave intensive aspect；It is greater than steel screen layer and inner polyethylene layer in the length that polyethylene enhances helical bellows front end elastic rubber layer and outer polyethylene layer, elastic rubber layer is identical with the length of outer polyethylene layer, and steel screen layer is identical with inner polyethylene layer length；Enhance the setting contrary to the above of helical bellows rear end in polyethylene.Composite layer by extending both ends realizes that two polyethylene enhance the connection of helical bellows by grafting, and it is reliable convenient to connect.Tube body can be absorbed because of deformation caused by expanding with heat and contract with cold in setting elastic rubber layer and cross fibre net.
Description
Technical field
The utility model relates to polyethylene pipe preparation technical fields, and in particular to a kind of polyethylene enhancing helical bellows.
Background technique
Polyethylene enhances helical bellows because it has the characteristics that good stiffness and corrosion resistance, wear resistance, quilt
It is widely used in industrial or agricultural and urban construction, engineering construction etc., is mainly used for drainage system.Currently, existing steel band increases
Strength polyethylene helical bellows are primarily present following technical problem: the connection on two root canal roads is connected using electric smelting mode, this side
Formula needs heating power supply, power supply line connection etc., troublesome in poeration and dangerous, and the pipeline of electric smelting connection, which also has, to split
Risk.
Utility model content
In order to solve the problems, such as that existing polyethylene enhancing helical bellows exist, the utility model provides a kind of polyethylene increasing
Strong helical bellows.
Used technical solution is as follows in order to solve the technical problem for the utility model:
A kind of polyethylene of the utility model enhances helical bellows, comprising:
The outer polyethylene layer that sets gradually from outside to inside, the first resin layer, steel screen layer, the second resin layer, elastic rubber
Glue-line, third resin layer, inner polyethylene layer；
Multiple cross fibre nets being evenly distributed on elastic rubber layer；
Annular wave intensive aspect outside outer polyethylene layer is set；
Steel band reinforcing rib inside annular wave intensive aspect is set；
In polyethylene enhancing helical bellows front end, the length of elastic rubber layer and outer polyethylene layer is greater than steel screen layer
And inner polyethylene layer, elastic rubber layer is identical with the length of outer polyethylene layer, steel screen layer and inner polyethylene layer length
It is identical；
In polyethylene enhancing helical bellows rear end, the length of steel screen layer and inner polyethylene layer is greater than elastic rubber layer
And outer polyethylene layer, elastic rubber layer is identical with the length of outer polyethylene layer, steel screen layer and inner polyethylene layer length
It is identical.
Further, the first resin layer is coated between outer polyethylene layer and steel screen layer, it will by the first resin layer
Outer polyethylene layer bonds together with steel screen layer.
Further, the second resin layer is coated between steel screen layer and elastic rubber layer, by the second resin layer by steel
Silk screen layer bonds together with elastic rubber layer.
Further, it is coated with third resin layer between elastic rubber layer and inner polyethylene layer, passes through third resin layer
Elastic rubber layer and inner polyethylene layer are bonded together.
The beneficial effects of the utility model are:
The utility model realizes the leakproofness connection of two pipelines, i.e. extension both ends by the design of change connection type
Composite layer (both ends extend different composite layers respectively) realize that two polyethylene enhance the connection of helical bellows by grafting,
Connection is safe and reliable, and easy to connect, does not need electric smelting mode and connects, easy to operate.
The utility model is arranged by multilayered structure, and the integral strength of tube body is on the one hand realized by steel screen layer, another
Tube body can be absorbed because of deformation caused by expanding with heat and contract with cold by setting elastic rubber layer and cross fibre net in aspect.
Detailed description of the invention
Fig. 1 is that a kind of polyethylene of the utility model enhances the schematic diagram of internal structure of helical bellows.
Fig. 2 is that a kind of polyethylene of the utility model enhances helical bellows
In figure: 1, outer polyethylene layer, the 2, first resin layer, 3, steel screen layer, the 4, second resin layer, 5, elastic rubber
Layer, 6, third resin layer, 7, inner polyethylene layer, 8, bellows front end, 9, bellows rear end, 10, annular wave intensive aspect,
11, steel band reinforcing rib, 12, cross fibre net.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
As depicted in figs. 1 and 2, a kind of polyethylene enhancing helical bellows of the utility model specifically include that external poly- second
Alkene layer 1, the first resin layer 2, steel screen layer 3, the second resin layer 4, elastic rubber layer 5, third resin layer 6, inner polyethylene layer
7, annular wave intensive aspect 10, steel band reinforcing rib 11, cross fibre net 12.
It is disposed with outer polyethylene layer 1, the first resin layer 2, steel screen layer 3, the second resin layer 4, bullet from outside to inside
Property rubber layer 5, third resin layer 6, inner polyethylene layer 7.
The first resin layer 2 is coated between outer polyethylene layer 1 and steel screen layer 3, it is by the first resin layer 2 that outside is poly-
Pvdf layer 1 bonds together with steel screen layer 3.
The second resin layer 4 is coated between steel screen layer 3 and elastic rubber layer 5, by the second resin layer 4 by steel screen layer
3 bond together with elastic rubber layer 5.
Third resin layer 6 is coated between elastic rubber layer 5 and inner polyethylene layer 7, it will be elastic by third resin layer 6
Rubber layer 5 bonds together with inner polyethylene layer 7.
As shown in Fig. 2, being provided with multiple equally distributed cross fibre nets 12 on elastic rubber layer 5.
In the utility model, inner polyethylene layer 7 is prepared using high-density polyethylene material, and outer polyethylene layer 1 uses
Low-density polyethylene material preparation.
Annular wave intensive aspect 10 is arranged outside outer polyethylene layer 1, circularizes wavy setting, annular wave intensive aspect
10 inside be it is hollow, annular wave intensive aspect 10 can it is integrated with outer polyethylene layer 1 process.
As indicated at 3, steel band reinforcing rib 11 is arranged inside annular wave intensive aspect 10, plays and adds to outer polyethylene layer 1
Pretend use.
In the bellows front end 8 of polyethylene enhancing helical bellows, the elastic rubber layer 5 and outer polyethylene layer 1 at this end
Length be greater than steel screen layer 3 and inner polyethylene layer 7, the elastic rubber layer 5 at this end and the length phase of outer polyethylene layer 1
Together, steel screen layer 3 is identical with 7 length of inner polyethylene layer.
In the bellows rear end 9 of polyethylene enhancing helical bellows, the steel screen layer 3 at this end and inner polyethylene layer 7
Length is greater than elastic rubber layer 5 and outer polyethylene layer 1, the elastic rubber layer 5 at this end and the length phase of outer polyethylene layer 1
Together, steel screen layer 3 is identical with 7 length of inner polyethylene layer.
When two polyethylene enhancing helical bellows connections, the bellows front end of first polyethylene enhancing helical bellows
8 are connected with the bellows rear end 9 of second polyethylene enhancing helical bellows, particularly: ripple is inserted into bellows rear end 9
In pipe front end 8, and by being bonded together between outer polyethylene layer 1 and steel screen layer 3 by coating the first resin layer 2,
It is bonded together between steel screen layer 3 and elastic rubber layer 5 by coating the second resin layer 4, elastic rubber layer 5 and internal poly- second
It is bonded together between alkene layer 7 by coating third resin layer 6.
The utility model realizes the leakproofness connection of two pipelines, i.e. extension both ends by the design of change connection type
Composite layer (both ends extend different composite layers respectively) realize that two polyethylene enhance the connection of helical bellows by grafting,
Connection is safe and reliable, and easy to connect, does not need electric smelting mode and connects, easy to operate.
The utility model is arranged by multilayered structure, and the integral strength of tube body is on the one hand realized by steel screen layer 3, another
Tube body can be absorbed because of deformation caused by expanding with heat and contract with cold by setting elastic rubber layer 5 and cross fibre net 12 in aspect.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these improve and
Retouching also should be regarded as the protection scope of the utility model.
Claims (4)
1. a kind of polyethylene enhances helical bellows characterized by comprising
The outer polyethylene layer that sets gradually from outside to inside, the first resin layer, steel screen layer, the second resin layer, elastic rubber layer,
Third resin layer, inner polyethylene layer；
Multiple cross fibre nets being evenly distributed on elastic rubber layer；
Annular wave intensive aspect outside outer polyethylene layer is set；
Steel band reinforcing rib inside annular wave intensive aspect is set；
Enhance helical bellows front end in polyethylene, the length of elastic rubber layer and outer polyethylene layer is greater than steel screen layer and interior
The length of portion's polyethylene layer, elastic rubber layer and outer polyethylene layer is identical, and steel screen layer is identical with inner polyethylene layer length；
In polyethylene enhancing helical bellows rear end, the length of steel screen layer and inner polyethylene layer is greater than elastic rubber layer and outside
The length of portion's polyethylene layer, elastic rubber layer and outer polyethylene layer is identical, and steel screen layer is identical with inner polyethylene layer length.
2. a kind of polyethylene according to claim 1 enhances helical bellows, which is characterized in that outer polyethylene layer and steel
It is coated with the first resin layer between silk screen layer, outer polyethylene layer and steel screen layer are bonded together by the first resin layer.
3. a kind of polyethylene according to claim 1 enhances helical bellows, which is characterized in that steel screen layer and elastic rubber
It is coated with the second resin layer between glue-line, steel screen layer and elastic rubber layer are bonded together by the second resin layer.
4. a kind of polyethylene according to claim 1 enhances helical bellows, which is characterized in that elastic rubber layer and inside
It is coated with third resin layer between polyethylene layer, elastic rubber layer and inner polyethylene layer are bonded in one by third resin layer
It rises.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822126545.3U CN209540225U (en) | 2018-12-18 | 2018-12-18 | A kind of polyethylene enhancing helical bellows |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822126545.3U CN209540225U (en) | 2018-12-18 | 2018-12-18 | A kind of polyethylene enhancing helical bellows |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209540225U true CN209540225U (en) | 2019-10-25 |
Family
ID=68265938
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822126545.3U Expired - Fee Related CN209540225U (en) | 2018-12-18 | 2018-12-18 | A kind of polyethylene enhancing helical bellows |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209540225U (en) |
-
2018
- 2018-12-18 CN CN201822126545.3U patent/CN209540225U/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: 20191025 Termination date: 20211218 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |