CN202100847U - Enhanced high-density polyethylene (HDPE) double-wall bellows - Google Patents
Enhanced high-density polyethylene (HDPE) double-wall bellows Download PDFInfo
- Publication number
- CN202100847U CN202100847U CN2011202325870U CN201120232587U CN202100847U CN 202100847 U CN202100847 U CN 202100847U CN 2011202325870 U CN2011202325870 U CN 2011202325870U CN 201120232587 U CN201120232587 U CN 201120232587U CN 202100847 U CN202100847 U CN 202100847U
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- wall
- bellows
- spiral
- double
- hdpe
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Abstract
The utility model discloses an enhanced high-density polyethylene (HDPE) double-wall bellows. The inner wall of the bellows forms a hollow inner pipe, the outer wall of the bellows is in a spiral shape, and one spiral line or a plurality of spiral lines are formed. A cavity is arranged between spiral protruded ridges and the inner wall. A plurality of axial connection ribs which are distributed annularly penetrate through each spiral protruded ridge. Steel wires winding spirally are wrapped inside the cavity. The axial connection ribs penetrate through the outer wall of the bellows so that integral strength is added. In addition, the enhanced HDPE double-wall bellows is simple in structure, convenient to manufacture, high in ring rigidity, smooth in the inner wall and water flow. The outer wall adopts the spiral corrugation type so that the enhanced HDPE double-wall bellows is simple in process, high in product ring rigidity, light in weight, reliable in quality and good in flexibility.
Description
Technical field
The utility model relates to the tubing equipment and technology, relates in particular to a kind of reinforced HDPE double-wall corrugated pipe.
Background technique
The bellows kind: bellows mainly comprises metal bellows, corrugated expansion joint, corrugated tube, diaphragm, bellows and metallic hose etc.Metal bellows is mainly used in effects such as compensation pipes thermal distortion, damping, absorption pipeline sedimentation and deformation, is widely used in industries such as petrochemical industry, instrument, space flight, chemical industry, electric power, cement, metallurgy.Other material bellowss such as plastics have irreplaceable effect in fields such as medium transport, electric power threading, lathe, household electrical appliances.With collapsible wrinkle sheet, the tubulose elastic sensing element that connects into along the folding retractable direction.Its opening end is fixed, and sealed end is in free state, and utilizes auxiliary helical spring or reed to increase elasticity.The tube length direction elongation in the effect lower edge of internal pressure makes movable end produce the displacement that becomes certain relation with pressure during work.Movable end drives the size that pointer gets final product direct indicated pressure.Bellows usually combines with displacement transducer and constitutes the pressure transducer that is output as electric weight, sometimes also as isolated component.Because the stretching, extension of bellows requires bigger volume-variation, so its speed of response is lower than Bourdon tube.Bellows is suitable for measuring low pressure.At present, the use at home of high-density polyethylene double-wall corrugated pipe oneself through comparatively universal, as being embedded in the tubing that underdrainage is used, the size that it bears external pressure has embodied the quality of this pipe performance, the index of bearing the external pressure ability promptly is a ring stiffness.If high-density polyethylene double-wall corrugated pipe ring rigidity is not enough, then can cause tubing in construction or using, deform because of bearing outside pressure, can cause in the time of serious and can't use.How to improve the ring stiffness of product, become emphasis and difficult point in the current high-density polyethylene double-wall corrugated pipe industry.
Summary of the invention
The purpose of the utility model provides a kind of reinforced HDPE double-wall corrugated pipe, and simple in structure, ring stiffness is strong, and is easily manufactured;
A kind of reinforced HDPE double-wall corrugated pipe; The inwall of pipe is a hollow bowl, and the outer wall of pipe is a spirality, constitutes one or more helix; Between protruding spine of spirality and the inwall cavity is arranged, be penetrated with the connecting tendon of axial a plurality of annular spread between the protruding spine of said each spirality.
Be enclosed with the steel wire that spiral twines in the said cavity.
Compared with prior art, the advantage of the utility model is:
The utility model has increased its integral intensity through on outer wall, being penetrated with axial connecting tendon, and simple in structure; Easily manufactured, and the reinforced double-wall corrugated pipe ring stiffness that constitutes is high, and inwall is slick and sly; Current are smooth and easy, and outer wall adopts the helical corrugation formula, and not only technology is simple; The product ring stiffness is high, and in light weight, the reliable in quality pliability is good.
Description of drawings
Fig. 1 is the structural drawing of the utility model.
Embodiment
The specific embodiment of the utility model; A kind of reinforced HDPE double-wall corrugated pipe, the inwall 2 of pipe are the hollow bowls that is become by the HDPE material manufacture, and the outer wall of pipe is a spirality; Constitute one or more helix; Between protruding spine 1 of spirality and the inwall 2 cavity 3 is arranged, be penetrated with the connecting tendon 4 of axial a plurality of annular spread between the protruding spine of said each spirality, the reinforced HDPE double-wall corrugated pipe described in the present embodiment is that employing is Integratively formed; The inwall 2 of pipe is once-through with the outer wall spirality of pipe, and inner tube wall 2 is jointless HDPE hollow bowls.Described spirality is that the end from pipe is the other end that continuously spiral is linked pipe.The spirality boss 1 of spirality tube wall and the cavity between the inwall 3 are helical continuous cavity.And be enclosed with steel wire 5 reinforcement integral intensity and the ring stiffness that spiral twines in the said cavity.
The quantity of stiffening rib shown in the figure is as just reference, just to the simple declaration of the utility model, rather than to the restriction of the utility model.
Claims (2)
1. reinforced HDPE double-wall corrugated pipe; It is characterized in that; The inwall (2) of pipe is a hollow bowl, and the outer wall of pipe is a spirality, constitutes one or more helix; Between protruding spine (1) of spirality and the inwall cavity (3) is arranged, be penetrated with the connecting tendon (4) of axial a plurality of annular spread between the protruding spine of said each spirality.
2. reinforced double-wall corrugated pipe according to claim 1 is characterized in that, is enclosed with the steel wire (5) that spiral twines in the cavity (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202325870U CN202100847U (en) | 2011-07-04 | 2011-07-04 | Enhanced high-density polyethylene (HDPE) double-wall bellows |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202325870U CN202100847U (en) | 2011-07-04 | 2011-07-04 | Enhanced high-density polyethylene (HDPE) double-wall bellows |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202100847U true CN202100847U (en) | 2012-01-04 |
Family
ID=45386861
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202325870U Expired - Fee Related CN202100847U (en) | 2011-07-04 | 2011-07-04 | Enhanced high-density polyethylene (HDPE) double-wall bellows |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202100847U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108662305A (en) * | 2018-07-30 | 2018-10-16 | 江苏星河集团有限公司 | A kind of anti-loose double-wall corrugated pipe |
| CN109915674A (en) * | 2019-03-22 | 2019-06-21 | 贵州枫叶管业有限公司 | A kind of double-wall corrugated pipe coupling component of compression-resistant type with the spacious amount of installation |
| CN111420209A (en) * | 2012-07-27 | 2020-07-17 | 瑞思迈私人有限公司 | Patient interface and method for manufacturing the same |
-
2011
- 2011-07-04 CN CN2011202325870U patent/CN202100847U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111420209A (en) * | 2012-07-27 | 2020-07-17 | 瑞思迈私人有限公司 | Patient interface and method for manufacturing the same |
| US11565068B2 (en) | 2012-07-27 | 2023-01-31 | ResMed Pty Ltd | Patient interface |
| US11583651B2 (en) | 2012-07-27 | 2023-02-21 | ResMed Pty Ltd | Patient interface |
| CN108662305A (en) * | 2018-07-30 | 2018-10-16 | 江苏星河集团有限公司 | A kind of anti-loose double-wall corrugated pipe |
| CN109915674A (en) * | 2019-03-22 | 2019-06-21 | 贵州枫叶管业有限公司 | A kind of double-wall corrugated pipe coupling component of compression-resistant type with the spacious amount of installation |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120104 Termination date: 20200704 |