CN205534654U

CN205534654U - Plastics drain pipe

Info

Publication number: CN205534654U
Application number: CN201620340721.1U
Authority: CN
Inventors: 杨正法
Original assignee: Zhejiang Guangtong Plastic Industry Co ltd
Current assignee: Zhejiang Guangtong Plastic Industry Co ltd
Priority date: 2016-04-20
Filing date: 2016-04-20
Publication date: 2016-08-31
Anticipated expiration: 2026-04-20

Abstract

The utility model discloses a plastics drain pipe has solved the big technical problem of plastics drain pipe vibration intensity, its technical scheme main points are pipe inner wall is equipped with along water flow direction's water conservancy diversion sand grip, and the recess wall face that forms between the adjacent water conservancy diversion sand grip is established to the mat surface for water moves at drain pipe built -in wall flow, the internal face is the mat surface, flow resistance has been increased, the velocity of flow of water has been reduced, thereby can make water move at plastics drain pipe built -in wall flow, it collides and the noise of production with inside pipe wall and intraductal air to have reduced rivers, because the mat surface of inner wall design increase flow resistance, and the direction of motion of rivers has been changed, it forms the torrent intraductal one to lead to intraductal water to gather, set up the water conservancy diversion sand grip on intraductal wall, it makes intraductal ponding flow out through many recess dispersions to be provided with like this to do benefit to, the turbulence degree of rivers has been reduced, thereby the vibration intensity of drain pipe has been reduced, the service life of the drain pipe is prolonged.

Description

A kind of plastic drain-pipe

Technical field

This utility model relates to plumbing technical field, particularly relates to a kind of plastic drain-pipe.

Background technology

Traditional drain pipe, mainly based on steel pipe, cast iron pipe, pipe of cement, has the disadvantage in that pipeline material generally exists power consumption height, is easily generated environmental pollution, and service life is short, generally 5-10；Corrosion resistance is poor；Construction cost is high, and the cycle is long；Pipeline globality is poor, easy leakage etc..

To this end, since mid-term in 20th century, countries in the world particularly developed country is carrying out the exploitation of plastic pipe PP Pipe Compound and the use of plastic conduit always.Plastic pipe is compared with the pipelines such as cast iron pipe, coating steel pipe, pipe of cement, have energy-saving material-saving, environmental protection, high-strength light, corrosion-resistant, inner wall smooth non-scaling, resistance to water-flow is little, construct and keep in repair the advantage such as simplicity, length in service life, receives the favor of pipeline circle and occupies considerable position.

But the inwall of current plastic drain-pipe is hydraulically smooth surface, because the coefficient of roughness and velocity in pipes close relation, surface roughness coefficient is the least, pipe internal resistance is the least, water velocity is the biggest, the i.e. water velocity of hydraulically smooth surface is bigger, when current flow in pipeline, attached jet can not be formed, thus the sound that produces is bigger, for avoiding this phenomenon, some manufacturers reduce the current impact dynamics to drain pipe by increasing drain pipe inner wall roughness, reduce the purpose of noise, but this design can make the water in drain pipe produce turbulent motion, make drain pipe that notable vibrations to occur, shorten the service life of drain pipe.

Utility model content

The purpose of this utility model is to provide a kind of plastic drain-pipe that can reduce shockproofness.

Above-mentioned technical purpose of the present utility model has the technical scheme that a kind of plastic drain-pipe, including body, described inboard wall of tube body is provided with water conservancy diversion raised line, and the groove wall formed between adjacent guide raised line is set to matsurface, and the coefficient of roughness is set to 0.0015 0.015.

Pass through technique scheme, because the coefficient of roughness and velocity in pipes close relation, surface roughness coefficient is the biggest, and pipe internal resistance is the biggest, and water velocity is the least, the described internal face coefficient of roughness is changed into 0.0015 0.015 by original 0.0009, surface roughness coefficient increases so that resistance to water-flow increases, and reduces the flow velocity of water, such that it is able to make water jet attached flow in body, decrease air collision in current and inboard wall of tube body and body and the noise that produces；Resistance to water-flow is increased owing to the matsurface of inwall designs, and change the direction of motion of current, cause the water in body to accumulate in body at one and form turbulent flow, the internal face of body arranges water conservancy diversion raised line, so it is provided with the hydrops being beneficial to make in body to be flowed out by a plurality of grooves disperse, decrease the less turbulence of current, thus decrease the shockproofness of body, improve the service life of drain pipe.

Being optimized for further, described water conservancy diversion raised line is spiral type raised line, and the groove formed between adjoining spiral shape raised line is spiral groove.

Pass through technique scheme, spiral groove is formed between described adjoining spiral shape raised line, water in body carries out helical flow along spiral groove, and due to the rotational flow of current, current can produce the centrifugal force departing from spiral groove, i.e. the pressure of tube wall is increased, and the dirt that inboard wall of tube body deposits can be gone out, decrease the blocking probability of the inwall of body, make dirt be difficult to be deposited in body, i.e. inner-walls of duct has from cleaning function, decreases the cost of cleaning pipeline.

Being optimized for further, be provided with puigging between the inner and outer wall of described body, described puigging includes cellular polyurethane foam layer.

Pass through technique scheme, the setting of described cellular polyurethane foam layer, the noise passing to outside in making pipeline greatly reduces, and cellular polyurethane foam layer is lightweight, intensity big, easy construction, strengthen the shockproof effect of body simultaneously, improve the service life of drain pipe.

It is optimized for further, between the inner and outer wall of described body, is provided with the through hole along tube length direction.

By such scheme, owing to being provided with through hole between drain pipe inside and outside wall, drain pipe inside and outside wall is made to form the structure of double layer hollow, the noise advantageously reduced in pipe is outwards propagated, double layer hollow lightweight construction simultaneously, is conducive to installing and transport, is also greatly saved raw material.

Being optimized for further, described body includes concentric inner and outer tubes, and water flows in inner tube, is connected by dowel, and there is cavity between inner and outer tubes between inner and outer tubes.

By such scheme, described drain pipe includes concentric inner and outer tubes, and inner and outer tubes are connected by dowel, substantially increase the cavity area between inner and outer tubes, enhance soundproof effect, save material cost.

Being optimized for further, the wall thickness of the inner and outer tubes of described body is different.

Pass through such scheme, when the wall thickness of inner and outer tubes is identical, there will be identical coincidence frequency, the amplitude of inner and outer tubes is maximum, and sound can travel to outside from inner tube, in a large number so inner and outer tubes are set to different wall thickness, effectively prevent inner and outer tubes and identical coincidence frequency occurs, thus avoiding coincidence effect, the noise decreasing inner tube is outwards propagated, and improves the soundproof effect of body.

Being optimized for further, the material of described body is polyvinyl piping materials.

By such scheme, use polyvinyl piping materials, because it is wear-resisting, corrosion-resistant, it is possible to transmit different water quality, improve the service life of drain pipe, decrease maintenance cost, and this tubing is lightweight, conveniently install and mobile.

In sum, this utility model has the advantages that a kind of plastic drain-pipe, including body, inboard wall of tube body is provided with spiral type raised line, and current play the effect of water conservancy diversion, decreases the less turbulence of current, thus decrease the shockproofness of drain pipe, the groove inner wall formed between adjacent raised line is matsurface, decreases the flow velocity of water, reduces noise；Or body includes the concentric and inner and outer tubes of different wall, water flows in inner tube, effectively prevent coincidence effect, there is cavity between inner and outer tubes, and between be connected by dowel, improve soundproof effect.

Accompanying drawing explanation

Fig. 1 is the structural representation of embodiment one middle tube body；

Fig. 2 is the port front view of embodiment one middle tube body；

Fig. 3 be embodiment one middle tube body partly cut open Local map；

Fig. 4 is the structural representation of embodiment two middle tube body；

Fig. 5 is the port front view of embodiment two middle tube body；

Fig. 6 is the sectional view of embodiment two middle tube body.

In figure, 1, body；11, through hole；12, spiral groove；13, spiral type raised line；14, outer tube；15, inner tube；151, dowel；2, cavity；3, puigging.

Detailed description of the invention

Below in conjunction with accompanying drawing, this utility model is described in further detail.

Embodiment one, a kind of plastic drain-pipe, including body, see Fig. 1, Fig. 2 and Fig. 3, described body 1 material is polyethylene, body 1 inwall is provided with the spiral type raised line 13 that current produce guide effect, spiral groove 12 wall formed between adjoining spiral shape raised line 13 is set to matsurface, the coefficient of roughness is set to 0.0015 0.015, body 1 inwall is provided with cellular polyurethane foam layer as puigging 3, and being provided with cross section between described body 1 inner and outer wall is circular and along body 1 length direction through hole 11.

When water flows through body 1, owing to the inwall of body 1 is matsurface, reduce the flow velocity of water, decrease the water impact dynamics to body 1 inwall, thus decrease tube noise；Owing to the flow velocity of water reduces, water is caused to accumulate in body 1 turbulization at, make in body 1 pressure experienced at excessive, and arranging of the spiral type raised line 13 of body 1 inwall can make to accumulate in the water in body 1 and flow out smoothly, and owing to water helical flow in body 1 makes water increase the pressure of body 1 inwall, it is easy to go out the dirt in body 1, decreases the probability of line clogging, also reduce the shockproofness of body 1；The cellular polyurethane foam layer arranged at body 1 inwall is outwards propagated as puigging 3, the noise decreased in body 1, plays the effect of sound insulation；Being provided with cross section between body 1 inner and outer wall is circular and along body 1 length direction through hole 11, forms double layer hollow structure, is conducive to improving soundproof effect.

Embodiment two, a kind of plastic drain-pipe, including body, being with the difference of embodiment one, see Fig. 4, Fig. 5 and Fig. 6, described body 1 includes the different inner tube 15 of concentric and wall thickness and outer tube 14, cavity 2 is there is between inner tube 15 and outer tube 14, being connected by dowel 151 between inner tube 15 and outer tube 14, water flows in inner tube 15, and the inwall of inner tube 15 is provided with the spiral type raised line 13 that current produce guide effect.

It is connected by dowel 151 between cavity 2, and inner tube 15 and outer tube 14 owing to existing between inner tube 15 and outer tube 14, improves cavity 2 area between inner tube 15 and outer tube 14, thus improve the soundproof effect of body 1, also save material cost simultaneously.

When inner tube 15 is identical with the wall thickness of outer tube 14, there will be identical coincidence frequency, the amplitude of inner tube 15 and outer tube 14 is maximum, sound can travel to outside from inner tube 15 in a large number, so inner tube 15 and outer tube 14 are set to different wall thickness, effectively prevent inner tube 15 and identical coincidence frequency occurs in outer tube 14, thus avoid coincidence effect, it is effectively reduced in inner tube 15 noise produced outwards to propagate, improves the soundproof effect of body 1.

This specific embodiment is only to explanation of the present utility model; it is not to restriction of the present utility model; the present embodiment can be made after reading this specification by those skilled in the art as required does not has the amendment of creative contribution, but as long as all being protected by Patent Law in right of the present utility model.

Claims

1. a plastic drain-pipe, including body (1), it is characterised in that described body (1) inwall is provided with water conservancy diversion raised line, and the groove wall formed between adjacent guide raised line is set to matsurface, and the coefficient of roughness is set to 0.0015 0.015.

A kind of plastic drain-pipe the most according to claim 1, it is characterised in that described water conservancy diversion raised line is spiral type raised line (13), and the groove formed between adjoining spiral shape raised line (13) is spiral groove (12).

A kind of plastic drain-pipe the most according to claim 2, it is characterised in that being provided with puigging (3) between the inner and outer wall of described body (1), described puigging (3) includes cellular polyurethane foam layer.

4. according to a kind of plastic drain-pipe described in claim 1 or 2 or 3, it is characterised in that be provided with the through hole (11) along body (1) length direction between the inner and outer wall of described body (1).

5. according to a kind of plastic drain-pipe described in claim 1 or 2 or 3, it is characterized in that, described body (1) includes concentric inner tube (15) and outer tube (14), water is flowing in inner tube (15), it is connected by dowel (151) between inner tube (15) and outer tube (14), and between inner tube (15) and outer tube (14), there is cavity (2).

A kind of plastic drain-pipe the most according to claim 5, it is characterised in that the inner tube (15) of described body (1) is different with the wall thickness of outer tube (14).

A kind of plastic drain-pipe the most according to claim 1, it is characterised in that the material of described body (1) is polyvinyl piping materials.