CN202327484U - High-density polyethylene pipe material - Google Patents
High-density polyethylene pipe material Download PDFInfo
- Publication number
- CN202327484U CN202327484U CN2011204637701U CN201120463770U CN202327484U CN 202327484 U CN202327484 U CN 202327484U CN 2011204637701 U CN2011204637701 U CN 2011204637701U CN 201120463770 U CN201120463770 U CN 201120463770U CN 202327484 U CN202327484 U CN 202327484U
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- Prior art keywords
- drum layer
- density polyethylene
- inner drum
- sleeve joint
- polyethylene pipe
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Abstract
The utility model discloses a high-density polyethylene pipe material. The high-density polyethylene pipe material comprises a high-density polyethylene pipe and a composite sleeve joint, wherein the composite sleeve joint is in a shape of a cylinder with two opened ends, one end of the composite sleeve joint is sleeved with one end of the high-density polyethylene pipe, the composite sleeve joint comprises an inner cylinder layer and an outer cylinder layer, the outer cylinder layer is tightly arranged on the periphery of the inner cylinder layer, the inner cylinder layer is made of rubber, and the outer cylinder layer is made of glass fiber reinforced plastic. In the embodiment of the utility model, the composite sleeve joint is sleeved outside the high-density polyethylene pipe. When the high-density polyethylene pipe material is used, another high-density polyethylene pipe is inserted into the composite sleeve joint so that the connection of the two high-density polyethylene pipes can be realized and is simple and convenient; and simultaneously, the outer layer and the inner layer of the composite sleeve joint are rubber sealing layers so as to be capable of bearing deformation to the certain extent, and the quality of a joint part is stable and reliable.
Description
Technical field
The utility model relates to the water supply and sewage work technology, relates in particular to a kind of hdpe pipe.
Background technique
In recent years, high density polyethylene pipe is widely used in the municipal water supply and sewage work with advantages such as it is in light weight, corrosion-resistant, hydraulic performance is good, environmental protection, life-span length as a kind of new type plastic pipe.
High density polyethylene pipe adopts the hot melt Placement usually, further applies owing to this Placement exists certain defective to influence high density polyethylene pipe, and main performance in the following areas.
High density polyethylene pipe adopts Electric thermal smelting belt to connect, and the job site must be equipped with high-power generator when pipeline connected, and adopts the current flow heats mode to make the high density polyethylene pipe fusing, complex procedures, and technical requirements is high, connection speed is slower.Construction quality and progress are restricted by working condition and weather conditions, and construction quality is difficult for guaranteeing that also there is certain potential safety hazard in work progress.
The high density polyethylene pipe thermal expansion coefficient is bigger, and pipeline adopts and is rigidly connected the back under the effect of expanding with heat and contract with cold, and there is internal stress in pipeline, and pipe coupling is very easily thrown off, and causes interface leak, and tubing expands with heat and contract with cold and also is prone to cause structure in the pipeline, like destructions such as inspection shafts.
The model utility content
The utility model embodiment technical problem to be solved is, a kind of hdpe pipe is provided.The convenient connection can be realized, and certain distortion can be born.
In order to solve the problems of the technologies described above, the utility model embodiment provides a kind of hdpe pipe.Said high density polyethylene pipe comprises a high density polyethylene pipe and a combined sleeve joint; Said combined sleeve joint is the both ends open tubular; One end of said combined sleeve joint is sheathed on an end of said high density polyethylene pipe, and said combined sleeve joint comprises inner drum layer and outer drum layer, and said outer drum layer close attachment is in said inner drum layer periphery; Said inner drum layer adopts rubber to process, and said outer drum layer adopts glass fibre reinforced plastics to process.
Wherein, circumferentially be provided with annular groove along said inner drum layer periphery.
Wherein, said annular groove is a dovetail groove.
Wherein, said inner drum layer inwall middle part is provided with the circular orientation flange, and said circular orientation flange is along said inner drum layer extending circumferentially.
Wherein, said high density polyethylene pipe is resisted against on the said locating flange with the end that said combined sleeve joint is connected.
Wherein, reserve 5～10mm gap between the end that is connected with said combined sleeve joint of said high density polyethylene pipe and the said locating flange.
Wherein,, the inwall at said inner drum layer both ends open place is provided with the guiding flange along said inner drum layer extending circumferentially, and said guiding flange axially tilts towards said inner drum layer middle part along said inner drum layer.
Wherein, said inner drum layer inwall is provided with the sealing flange along said inner drum layer extending circumferentially, and said sealing flange is between said circular orientation flange and said guiding flange, and said sealing flange axially tilts towards said inner drum layer middle part along said inner drum layer.
Wherein, the shore hardness of said inner drum layer is 60～80, and said outer drum layer surface hardness Barcol is more than or equal to 40.
Wherein, said high density polyethylene pipe and the coaxial setting of said combined sleeve joint.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiments of the utility model, for those of ordinary skills; Under the prerequisite of not paying creative work property, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the schematic representation of hdpe pipe;
Fig. 2 is the inner drum layer schematic representation of the combined sleeve joint of the hdpe pipe that provides of the utility model;
Fig. 3 is the schematic representation of the combined sleeve joint that provides of the utility model;
Fig. 4 is the hdpe pipe user mode figure of Fig. 1.
Embodiment
To combine the accompanying drawing among the utility model embodiment below, the technological scheme among the utility model embodiment is carried out clear, intactly description, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiments.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment who is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
In the utility model embodiment, the outer sheathed combined sleeve joint of high density polyethylene pipe.In use, another high density polyethylene pipe is inserted said combined sleeve joint, can realize the connection of two high density polyethylene pipes, connect simple and convenient.Because the outer internal layer of combined sleeve joint is a rubber sealant, so can bear certain distortion, interface position steady quality is reliable simultaneously.
Please consult Fig. 1-3 in the lump, the hdpe pipe 100 that the utility model first embodiment provides.Said hdpe pipe 100 comprises high density polyethylene pipe 101 and combined sleeve joint 102.Said combined sleeve joint 102 is the both ends open tubular.Said combined sleeve joint 102 1 end 102a are sheathed on an end 101a of said high density polyethylene pipe 101.In this mode of execution, said high density polyethylene pipe 101 nominal diameter scope: 200mm-4000mm, pressure rating is smaller or equal to 2.5MPa.
Said combined sleeve joint 102 is that length is the cylinder of 250～350mm.The length of said combined sleeve joint 102 can be made other sizes according to actual needs.Said combined sleeve joint 102 comprises inner drum layer 10 and outer drum layer 20.
Said inner drum layer 10 adopts rubber to process.Said inner drum layer 10 can adopt ethylene propylene diene rubber, natural rubber or specific rubber.The shore hardness of said inner drum layer 10 is 60～80.
Said inner drum layer 10 comprises inwall 11 and outer wall 12.Said inwall 11 comprises a locating flange 11a, two guiding flange 11b and four sealing flange 11c.Said locating flange 11a is positioned at said inner drum layer 10 middle parts, and said locating flange 11a forms a positioning ring along said inner drum layer 10 extending circumferentiallies.When said locating flange 11a is used to high density polyethylene pipe 101 installations, be high density polyethylene pipe 101 location that insert at said combined sleeve joint 102 two ends.In this mode of execution, the cross section of said locating flange 11a is trapezoidal.Certainly, in other embodiments, the cross section of said locating flange 11a also can be rectangle or other shapes.One end 101a of said high density polyethylene pipe 101 can be resisted against on the said locating flange 11a.When construction in winter and tubing thermal expansion coefficient are higher, can reserve 5～10mm gap between an end 101a of said high density polyethylene pipe 101 and locating flange 11a, with the internal stress of thorough elimination pipeline because of expanding with heat and contract with cold and producing.
Said guiding flange 11b is positioned at the said inner drum layer 10 both ends open places that state, and said sealing flange 11c is between said locating flange 11a and said guiding flange 11b.In this mode of execution, said two guiding flange 11b are symmetricly set in said locating flange 11a both sides.Said four sealing flange 11c also are symmetricly set in said locating flange 11a both sides.Certainly, in other embodiments, said guiding flange 11b and said sealing flange 11c also can be asymmetric.Said guiding flange 11b and said sealing flange 11c all axially tilt towards said inner drum layer 10 middle parts along said inner drum layer 10, to make things convenient for the insertion of high density polyethylene pipe 101.The cross section of said guiding flange 11b and said sealing flange 11c is the dentation towards said inner drum layer 10 middle parts.
Said locating flange 11a is equal to or slightly greater than said sealing flange 11c along inner drum layer 10 height radially along inner drum layer 10 height radially.Certainly, the sealing flange 11c of said each side of locating flange 11a can be designed to 1～4 road.
The outer wall 12 of said inner drum layer 10 circumferentially is provided with annular groove 12a along said inner drum layer 10 peripheries.Said annular groove 12a is a dovetail groove.Adopt the annular groove 12a of dove-tail, can be difficult for delamination so that inner drum layer 10 is good with outer drum layer 20 integrities.When tubing connected, the inner drum layer 10 of utilizing rubber to process the phenomenon that is shifted can not occur, and when having overcome the connection of flexible socket joint " O " type rubber seal, rubber ring is prone to reverse the problem of shift affects joint sealing effect.
Said outer drum layer 20 adopts glass fibre reinforced plastics to process.Said outer drum layer 20 close attachment are in said inner drum layer 10 peripheries.In this mode of execution, said outer drum layer 20 utilizes the glass fibre reinforced plastics winding process at said inner drum layer 10 outer surface disposal moldings.The thickness of said outer drum layer 20 is 3～100mm.Certainly, also can adopt other thickness.Glass fibre reinforced plastics is a kind of composite material, mainly is composited by glass fibre and thermosetting resin, have in light weight, intensity is high, corrosion protection, life-span long, the characteristics of easy-formation.The main mechanical property of said combined sleeve joint 102 depends on said outer drum layer 20.Said outer drum layer 20 surperficial hardness Barcoles are more than or equal to 40.
Before said hdpe pipe 100 dispatches from the factory, adopt the muff joint fitting machine at said high density polyethylene pipe 101 1 ends assembling combined sleeve joint 102.
See also Fig. 4; When installing at the construction field (site); Be adjusted to coaxial position to two said high density polyethylene pipes 101 to be connected, an end of said high density polyethylene pipe 101 unassembled said combined sleeve joints 102 removed the traction of instrument such as cucurbit through hand and inserted in the adjacent combined sleeve joint 102.Said hdpe pipe 100 connection speeds are very fast, and the scene need not power supply, easy to operate simple and fast.
Particularly; Be positioned over sleeve fitting machine relevant position to said high density polyethylene pipe 101 and said combined sleeve joint 102; At said combined sleeve joint 102 internal surfaces and the even brushing vegetable oil of said high density polyethylene pipe 101 end outer surface, to play lubrication.Adjusting said high density polyethylene pipe 101 makes it coaxial with said combined sleeve joint 102; Start muff joint fitting machine propulsion system; Said high density polyethylene pipe 101 is at the uniform velocity inserted in the said combined sleeve joint 102, and insertion depth can be with reference to the pipe surface tag line.Said high density polyethylene pipe 101 1 ends have assembled said combined sleeve joint 102 before dispatching from the factory like this.
Particularly; When installing at the construction field (site); Adjacent two said high density polyethylene pipes 101 are adjusted to coaxial position, clear up said high density polyethylene pipe 101 end 101a and said combined sleeve joint 102 inner silts and even brushing vegetable oil, to play lubrication.Nylon sling hoop with corresponding specification ties up to two said high density polyethylene pipe 101 outer surfaces to be connected; The tractive force that adopting hand to remove cucurbit provides inserts said high density polyethylene pipe 101 in the adjacent said combined sleeve joint 102; Insertion depth can be with reference to the tag line of pipeline external surface, and pipeline connects to be accomplished.When said high density polyethylene pipe 101 connected at the construction field (site), it was relevant with the compression ratio between said high density polyethylene pipe 101 specifications and said high density polyethylene pipe 101 and the said sealing flange 11c to connect required tractive force.For the feedwater piping engineering, said sealing flange 11c compression ratio can be by 45%～55% design.For drainage pipeline project, said sealing flange 11c compression ratio can be by 40%～45% design.
Said combined sleeve joint is made up of glass fibre reinforced plastic structure layer and elastometric lining layer, and said combined sleeve joint has good integrity, in light weight, characteristics such as intensity is high, corrosion protection, life-span are long, safe and reliable.
Said high density polyethylene pipe adopts and flexibly connects, and pipeline can bear a certain amount of axial line displacement and angular deflection, effectively eliminates the internal stress of said high density polyethylene pipe because of expanding with heat and contract with cold and producing, and avoids disengagement of tubing interface or pipeline and structure thereof to damage.
Above disclosedly be merely a kind of preferred embodiment of the utility model, can not limit the interest field of the utility model certainly with this, the equivalent variations of therefore being done according to the utility model claim still belongs to the scope that the utility model is contained.
Claims (10)
1. a hdpe pipe is characterized in that, said high density polyethylene pipe comprises a high density polyethylene pipe and a combined sleeve joint; Said combined sleeve joint is the both ends open tubular; One end of said combined sleeve joint is sheathed on an end of said high density polyethylene pipe, and said combined sleeve joint comprises inner drum layer and outer drum layer, and said outer drum layer close attachment is in said inner drum layer periphery; Said inner drum layer adopts rubber to process, and said outer drum layer adopts glass fibre reinforced plastics to process.
2. hdpe pipe as claimed in claim 1 is characterized in that, circumferentially is provided with annular groove along said inner drum layer periphery.
3. hdpe pipe as claimed in claim 1 is characterized in that, said annular groove is a dovetail groove.
4. hdpe pipe as claimed in claim 1 is characterized in that, said inner drum layer inwall middle part is provided with the circular orientation flange, and said circular orientation flange is along said inner drum layer extending circumferentially.
5. hdpe pipe as claimed in claim 4 is characterized in that, said high density polyethylene pipe is resisted against on the said locating flange with the end that said combined sleeve joint is connected.
6. hdpe pipe as claimed in claim 4 is characterized in that, reserves 5～10mm gap between end that said high density polyethylene pipe is connected with said combined sleeve joint and the said locating flange.
7. hdpe pipe as claimed in claim 4; It is characterized in that; The inwall at said inner drum layer both ends open place is provided with the guiding flange along said inner drum layer extending circumferentially, and said guiding flange axially tilts towards said inner drum layer middle part along said inner drum layer.
8. hdpe pipe as claimed in claim 7; It is characterized in that; Said inner drum layer inwall is provided with the sealing flange along said inner drum layer extending circumferentially; Said sealing flange is between said circular orientation flange and said guiding flange, and said sealing flange axially tilts towards said inner drum layer middle part along said inner drum layer.
9. hdpe pipe as claimed in claim 1 is characterized in that, the shore hardness of said inner drum layer is 60～80, and said outer drum layer surface hardness Barcol is more than or equal to 40.
10. hdpe pipe as claimed in claim 1 is characterized in that, said high density polyethylene pipe and the coaxial setting of said combined sleeve joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204637701U CN202327484U (en) | 2011-11-21 | 2011-11-21 | High-density polyethylene pipe material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204637701U CN202327484U (en) | 2011-11-21 | 2011-11-21 | High-density polyethylene pipe material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202327484U true CN202327484U (en) | 2012-07-11 |
Family
ID=46439464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204637701U Expired - Fee Related CN202327484U (en) | 2011-11-21 | 2011-11-21 | High-density polyethylene pipe material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202327484U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104315274A (en) * | 2014-08-30 | 2015-01-28 | 秦在荣 | Plastic pipe connector with inverted teeth |
| CN106090478A (en) * | 2016-07-27 | 2016-11-09 | 福建新通源复合材料科技有限公司 | Combined labyrinth and carbon gland sleeve and manufacture method thereof for two pipelines of docking |
| CN106870843A (en) * | 2017-03-13 | 2017-06-20 | 浙江新世科技股份有限公司 | A kind of GRP pipe interface structure |
| CN108953816A (en) * | 2018-07-23 | 2018-12-07 | 河北环水塑胶管业有限公司 | PVC-U winds effective bell and spigot joint |
| CN112923154A (en) * | 2021-02-26 | 2021-06-08 | 深圳中广核工程设计有限公司 | HDPE pipe system based on modular connection |
-
2011
- 2011-11-21 CN CN2011204637701U patent/CN202327484U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104315274A (en) * | 2014-08-30 | 2015-01-28 | 秦在荣 | Plastic pipe connector with inverted teeth |
| CN106090478A (en) * | 2016-07-27 | 2016-11-09 | 福建新通源复合材料科技有限公司 | Combined labyrinth and carbon gland sleeve and manufacture method thereof for two pipelines of docking |
| CN106870843A (en) * | 2017-03-13 | 2017-06-20 | 浙江新世科技股份有限公司 | A kind of GRP pipe interface structure |
| CN108953816A (en) * | 2018-07-23 | 2018-12-07 | 河北环水塑胶管业有限公司 | PVC-U winds effective bell and spigot joint |
| CN112923154A (en) * | 2021-02-26 | 2021-06-08 | 深圳中广核工程设计有限公司 | HDPE pipe system based on modular connection |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120711 Termination date: 20191121 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |