CN208153878U - A kind of HDPE double-wall corrugated pipe suitable for weight environment - Google Patents

Abstract

The utility model relates to a kind of HDPE double-wall corrugated pipe suitable for weight environment, including tube head, pipe shaft, pipe tail, the tube head connection pipe shaft, the pipe shaft connecting tube tails, it is characterised in that：The outer wall surfaces externally and internally is respectively formed protrusion and groove, the protrusion and groove is arranged successively to form corrugated shape, the double wall voided layer is combined by the corrugated shape of outer wall and the outer surface of inner wall, the outer wall includes that outer wall complex wave lamina and outer wall reinforce surge layer, the outer wall complex wave lamina and outer wall reinforce surge layer and are interleaved with each other formation intersection gap inside winding in pipe shaft position, several Solid soft balls are set in the intersection gap, the outer wall complex wave lamina includes resistance to compression layer and elastic layer, the elastic layer is arranged outside resistance to compression layer, the outer wall reinforces reinforcing rib built in surge layer.The utility model has the advantage of：Compressive property is excellent, long service life, and particularly suitable surface pressure changes section greatly.

Description

A kind of HDPE double-wall corrugated pipe suitable for weight environment

Technical field

The utility model belongs to pipeline field more particularly to a kind of HDPE double-wall corrugated pipe suitable for weight environment.

Background technique

In pipeline field, bellows is widely used in rain sewage discharge, Communication power casing, agricultural irrigation etc., as in A kind of prestressing force plastic film capicitor of state Patent No. CN204533885U, technical solution are：Including plastic film capicitor, Anchor plate socket is set at the both ends of the plastic film capicitor, and anchor plate, the anchor are connected with by the anchor plate socket It is provided with the first snap ring and the second snap ring on the outer ring of backing plate, forms concrete between first snap ring and the second snap ring and pours Slot is built, annular is provided with the first seal groove on the outer ring of the anchor plate socket, is provided with second on the inner ring of the anchor plate Seal groove, first seal groove and the second seal groove match, and cooperate between first seal groove and the second seal groove There are sealing joint strip, the reinforcing rib for being internally provided with several circular ring shapes of the plastic film capicitor, benefit is：By in plastics The both ends setting anchor plate socket and anchor plate of bellows, form more complete sealing between anchor plate socket and anchor plate, It can be to avoid spillage.But it is laid on now with pipeline multi-field universal, needs to be laid under more and more different earth's surfaces Side, plastic film capicitor are no longer satisfied with the requirement of airtightness, especially in the case where this surface pressure of road changes environment greatly, more Need resistance to compression and the strong bellows of elastoresistance pressure.

Utility model content

In view of the above, the utility model exactly against the above technical problems, is provided a kind of suitable for weight environment HDPE double-wall corrugated pipe.

A kind of HDPE double-wall corrugated pipe suitable for weight environment, including tube head, pipe shaft, pipe tail, the tube head connection Pipe shaft, the pipe shaft connecting tube tail, it is characterised in that：The pipe shaft includes inner wall, outer wall and double wall voided layer, described The setting of double wall voided layer is arranged in inner wall outer layer, the outer wall in double wall voided layer outer layer, and the inner wall surfaces externally and internally is equal For smooth arc-shaped surface, the outer wall surfaces externally and internally is respectively formed protrusion and groove, and the protrusion and groove are arranged successively shape Corrugated shape, the double wall voided layer are combined by the corrugated shape of outer wall and the outer surface of inner wall, the outer wall Reinforce surge layer including outer wall complex wave lamina and outer wall, the outer wall complex wave lamina and outer wall reinforce surge layer in pipe shaft Position is interleaved with each other internal formed of winding and intersects gap, and several Solid soft balls of setting, described in the intersection gap Outer wall complex wave lamina includes resistance to compression layer and elastic layer, and the elastic layer is arranged outside resistance to compression layer, and the outer wall is reinforced It is smooth that reinforcing rib built in surge layer, the outer wall complex wave lamina and outer wall, which reinforce surge layer in tube head and pipe shaft position, Arc-shaped surface, the outer wall complex wave lamina inner surface connection outer wall reinforce surge layer outer surface, and the outer wall reinforces wave Lamina inner surface is directly connected to the outer surface of inner wall.

A kind of HDPE double-wall corrugated pipe suitable for weight environment provided by the utility model can be further arranged to described Tube head length be 20mm-30mm, the pipe tail length degree be 60mm-80mm.

A kind of HDPE double-wall corrugated pipe suitable for weight environment provided by the utility model can be further arranged to described Inner wall be equipped with protective coating, the outer exterior wall be equipped with corrosion-inhibiting coating.

A kind of HDPE double-wall corrugated pipe suitable for weight environment provided by the utility model can be further arranged to described Outer diameter be 225mm-1200mm.

A kind of HDPE double-wall corrugated pipe suitable for weight environment provided by the utility model can be further arranged to described Inner diameter be 220mm-785mm.

A kind of HDPE double-wall corrugated pipe suitable for weight environment provided by the utility model can be further arranged to described The main material of inner and outer wall be high density polyethylene (HDPE).

It the utility model preferential and has the beneficial effect that：It is double-wall corrugated to provide a kind of HDPE suitable for weight environment Pipe, uses high density polyethylene (HDPE) for main material, has excellent chemical stability, ageing-resistant, resisting environmental stress and cracking, molding Bellows will not be reduced with the increase of runing time using rear circulation area；The utility model inner wall is equipped with protective coating, The substance that will not be discharged by needs such as rainwater or sewage corrodes；The utility model is equipped with corrosion-inhibiting coating, is not easy external by soil etc. Contactant corrosion；The outer wall that the utility model uses is mutual in pipe shaft position by outer wall complex wave lamina and outer wall reinforcement surge layer Between formed inside cross winding and intersect gap, greatly strengthen the ring stiffness of tubing, and the built-in same outer wall of Solid soft ball The resistance to compression layer and elastic layer of complex wave lamina setting, outer wall are reinforced the reinforcing rib being arranged inside surge layer, can effectively be born more The surface pressure of weight, more can effectively bear the surface pressure constantly changed, enhance pipeline to surface pressure load Resistance, long service life.

Detailed description of the invention

Preferred embodiments of the present invention are just preferably described with reference to the accompanying drawing, wherein

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the cross section structure schematic diagram of the utility model；

Fig. 3 is the outer wall construction schematic diagram of the utility model；

Fig. 4 is the header structures schematic diagram of the utility model；

Fig. 5 is the pipe stern construction schematic diagram of the utility model.

Specific embodiment

A kind of HDPE double-wall corrugated pipe embodiment suitable for weight environment of -5 pairs of the utility model is done further referring to Fig.1 Explanation.

A kind of HDPE double-wall corrugated pipe suitable for weight environment, including tube head 1, pipe shaft 2, pipe tail 3, the tube head 1 Connect pipe shaft 2, the 2 connecting tube tail 3 of pipe shaft, it is characterised in that：The pipe shaft 2 includes inner wall 6, and outer wall 7 and double wall are empty Central layer 8, in 6 outer layer of inner wall, the setting of outer wall 7 is described in 8 outer layer of double wall voided layer for the described setting of double wall voided layer 8 6 surfaces externally and internally of inner wall be smooth arc-shaped surface, 7 surfaces externally and internally of outer wall is respectively formed protrusion 4 and groove 5, described Protrusion 4 and groove 5 are arranged successively to form corrugated shape, the double wall voided layer 8 by outer wall 7 corrugated shape and inner wall 6 Outer surface is combined into, and the outer wall 7 includes outer wall complex wave lamina 9 and outer wall reinforces surge layer 10, and the outer wall is multiple Multiplex lamina 9 and outer wall reinforce surge layer 10 and are interleaved with each other formation intersection gap 11 inside winding in 2 position of pipe shaft, described Intersection gap 11 in several Solid soft balls 15 of setting, the inner wall 6 and the main material of outer wall 7 are high density polyethylene (HDPE), It is equipped with protective coating 16 on the inside of the inner wall 6, is equipped with corrosion-inhibiting coating 17 on the outside of the outer wall 7,6 diameter of inner wall is 220mm-785mm, 7 diameter of outer wall are 225mm-1200mm, and the outer wall complex wave lamina 9 includes 13 He of resistance to compression layer Elastic layer 14, the elastic layer 14 are arranged outside resistance to compression layer 13, and the outer wall reinforces reinforcing rib 12 built in surge layer 10, It is smooth arc-shaped surface, institute that the outer wall complex wave lamina 9 and outer wall, which reinforce surge layer 10 in tube head 1 and 2 position of pipe shaft, 1 length of tube head stated is 20mm-30mm, and 3 length of pipe tail is 60mm-80mm, table in the outer wall complex wave lamina 9 Face connects outer wall and reinforces 10 outer surface of surge layer, and the outer wall reinforces the appearance that 10 inner surface of surge layer is directly connected to inner wall 6 Face.

Working principle：When being laid with pipeline, the tube head 1 of a bellows connects the pipe tail 3 of another bellows, by protrusion 4 and the outer wall 7 that forms of groove 5 bear the pressure under soil or other external conditions, why outer wall is by protrusion 4 and 5 groups of groove Undulatory structure is circularized, is to increase forced area, to enhance because such appearance can increase the surface area of bellows Resistance of the pipeline to external environment.Reinforced surge layer 10 by outer wall complex wave lamina 9 and outer wall and its intersected in 2 position of pipe shaft The outer wall 7 for intersecting gap 11 and forming being wound, greatly strengthens the ring stiffness of tubing, and intersect the reality built in gap 11 Soft-hearted ball 15 is simultaneously not fixed, and can be moved intersecting in gap 11, while stress and unloading when bellows is by elastic pressure Power；The resistance to compression layer 13 that outer wall complex wave lamina 9 is arranged simultaneously, intensity is high, can bear the surface pressure of weight, and elastic layer 14 has Certain elastic force cooperates Solid soft ball 15, by certain stress and unloads power effect to elastic gravity, outer wall is reinforced setting inside surge layer 10 The reinforcing rib 12 set, can bear heavier surface pressure, and outer wall 7 is equipped with the pipeline after 17 pairs of corrosion-inhibiting coating layings and plays anti-corrosion work With increasing the service life of bellows；

After all bellowss are connected, the substances such as water flow enter pipeline from ground or other sources, pass through from inner wall 6, row Enter scheduled place, the protective coating 16 that inner wall is equipped with shields to pipeline, increases the service life of bellows.

In conclusion the utility model provides a kind of HDPE double-wall corrugated pipe suitable for weight environment, use is highly dense Degree polyethylene is main material, has excellent chemical stability, ageing-resistant, resisting environmental stress and cracking, and molding bellows makes It will not be reduced with the increase of runing time with rear circulation area；The utility model inner wall is equipped with protective coating, will not be by rainwater Or the substance corrosion of the needs such as sewage discharge；The utility model is equipped with corrosion-inhibiting coating, is not easy to be corroded by the external contacts object such as soil； The outer wall that the utility model uses is interleaved with each other in pipe shaft position and is twined by outer wall complex wave lamina and outer wall reinforcement surge layer It is formed around inside and intersects gap, greatly strengthen the ring stiffness of tubing, and built-in Solid soft ball is the same as outer wall complex wave lamina The resistance to compression layer and elastic layer of setting, outer wall reinforce the reinforcing rib being arranged inside surge layer, can effectively bear heavier ground gauge pressure Power more can effectively bear the surface pressure constantly changed, enhance pipeline to the resistance of surface pressure load, use Service life is long.

Finally it should be noted that：The above descriptions are merely preferred embodiments of the present invention, is not limited to this Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art For, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic It is equivalently replaced, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on, It should be included within the scope of protection of this utility model.

Claims (6)

1. a kind of HDPE double-wall corrugated pipe suitable for weight environment, including tube head（1）, pipe shaft（2）, pipe tail（3）, the pipe Head（1）Connect pipe shaft（2）, the pipe shaft（2）Connecting tube tail（3）, it is characterised in that：The pipe shaft（2）Including inner wall （6）, outer wall（7）With double wall voided layer（8）, the double wall voided layer（8）It is arranged in inner wall（6）Outer layer, the outer wall（7） It is arranged in double wall voided layer（8）Outer layer, the inner wall（6）Surfaces externally and internally is smooth arc-shaped surface, the outer wall（7）It is interior Outer surface is respectively formed protrusion（4）And groove（5）, the protrusion（4）And groove（5）It is arranged successively to form corrugated shape, it is described Double wall voided layer（8）By outer wall（7）Corrugated shape and inner wall（6）Outer surface be combined into, the outer wall（7）Including Outer wall complex wave lamina（9）Reinforce surge layer with outer wall（10）, the outer wall complex wave lamina（9）Reinforce surge layer with outer wall （10）In pipe shaft（2）Position is interleaved with each other internal formed of winding and intersects gap（11）, the intersection gap（11）Inside set Set several Solid soft balls（15）, the outer wall complex wave lamina（9）Including resistance to compression layer（13）And elastic layer（14）, the bullet Property layer（14）It is arranged in resistance to compression layer（13）Outside, the outer wall reinforce surge layer（10）Built-in reinforcing rib（12）, described is outer Wall complex wave lamina（9）Reinforce surge layer with outer wall（10）In tube head（1）And pipe shaft（2）Position is smooth arc-shaped surface, institute The outer wall complex wave lamina stated（9）Inner surface connects outer wall and reinforces surge layer（10）Outer surface, the outer wall reinforce surge layer （10）Inner surface is directly connected to inner wall（6）Outer surface.

2. a kind of HDPE double-wall corrugated pipe suitable for weight environment according to claim 1, which is characterized in that described Tube head（1）Length is 20mm-30mm, the pipe tail（3）Length is 60mm-80mm.

3. a kind of HDPE double-wall corrugated pipe suitable for weight environment according to claim 1, which is characterized in that described Inner wall（6）Inside is equipped with protective coating（16）, the outer wall（7）Outside is equipped with corrosion-inhibiting coating（17）.

4. a kind of HDPE double-wall corrugated pipe suitable for weight environment according to claim 1, which is characterized in that described Outer wall（7）Diameter is 225mm-1200mm.

5. a kind of HDPE double-wall corrugated pipe suitable for weight environment according to claim 1, which is characterized in that described Inner wall（6）Diameter is 220mm-785mm.

6. a kind of HDPE double-wall corrugated pipe suitable for weight environment according to claim 1, which is characterized in that described Inner wall（6）And outer wall（7）Main material is high density polyethylene (HDPE).