CN205298862U - Helical corrugation winding pipe - Google Patents

Abstract

The utility model discloses a helical corrugation winding pipe, include by the strip spiral winding of omega style of calligraphy and the fashioned tubular product body that bonds, the tubular product body include the pipe wall with locate the pipe wall outside and with pipe wall integrated into one piece's helical corrugation structure, the strip includes that the ripple is protruding, first base plate and second base plate, the bellied cross -section of ripple for the ring by a plane intercepting gained and have open -ended abnormal shape shape, first base plate and second base plate are connected respectively in the bellied opening both sides of ripple, the bellied one end of ripple of keeping away from of first base plate still is equipped with first connection piece, the bellied one end of ripple of keeping away from of second base plate still is equipped with the second connection piece. The utility model discloses the strip is spirally wound on forming die during production, and adjacent two circle strips are in the same place through respective first connection piece and second connection piece phase -match and bonding, obtain the tubular product body promptly. The utility model discloses former material cost is cheap, and production simple process has greatly reduced product cost, product stable good.

Description

A kind of helical corrugation winding pipe

Technical field

This utility model relates to plastic pipe field, especially a kind of helical corrugation winding pipe.

Background technology

The hot winding pipe of high density polyethylene (HDPE) structural walls (carat pipe) is a kind of Novel special-shaped structure-wall pipe material, there is the advantages such as lightweight, bearing capacity is strong, interface quality is high, life-span length, corrosion-resistant, ring stiffness is high, easy construction, be widely used in the engineerings such as urban water supply, draining, remote water delivery and irrigation and water conservancy irrigation. The existing hot winding pipe of high density polyethylene (HDPE) structural walls disadvantageously, it include with high-density polyethylene resin (HDPE) be raw material inwall and adopt outer layer auxiliary the stay tube of PP/PE corrugated tube, the cost of raw material is higher; It adopts hot winding shaping process to produce simultaneously, namely needs mould is heated so that inwall and outer layer auxiliary stay tube fusion, then shaping pipe is carried out the cooling that condition strictly controls, and production process is complex, causes that product cost is high.

Utility model content

For the problems referred to above of the prior art, the utility model proposes a kind of helical corrugation winding pipe.

The technical solution of the utility model is: a kind of helical corrugation winding pipe, including the tubing body by the band spiral winding of �� font bonding forming, described tubing body includes tube wall and is located at outside tube wall and spiral corrugation integrated with tube wall, described band includes substrate and the ripple that be connected one-body molded with substrate is protruding, wherein: described substrate includes the identical first substrate of thickness and second substrate, the cross section of described ripple projection is that annulus is by a planar interception gained the special-shaped shape with opening, described first substrate and second substrate are connected to the opening both sides that ripple is protruding, and the described first substrate bottom surface protruding with ripple with the bottom surface of second substrate is concordant,

One end protruding away from ripple of described first substrate is additionally provided with a connecting piece, and the bottom surface of described a connecting piece is concordant with the bottom surface of first substrate, and the end face of described a connecting piece is lower than the end face of first substrate; One end protruding away from ripple of described second substrate is additionally provided with the second connection sheet, described second connects the end face of sheet and the either flush of second substrate, described second bottom surface higher than second substrate, the bottom surface connecting sheet, the width that described a connecting piece and second connects sheet is identical, and described a connecting piece and second connects the thickness sum thickness equal to first substrate of sheet.

When this utility model produces, first produced described band by mould, again band is spirally wrapped around on mould, and a connecting piece of adjacent two circle bands and second connects sheet and matches combination, again a connecting piece and second are connected sheet and carry out bonding, namely obtaining tubing body, its substrate constitutes the tube wall of tubing body through spiral winding, the protruding spiral corrugation constituting tubing body through spiral winding of ripple.

Compared with prior art, the beneficial effects of the utility model are: this utility model cost of raw material is cheap, and production technology is simple, greatly reduces product cost; This utility model connects chip architecture by a connecting piece and second of band both sides, adds the bond area of adjacent two circle bands, it is ensured that bonding strength, and then ensure that the stability of product.

Accompanying drawing explanation

Fig. 1 is structural representation of the present utility model.

Fig. 2 is the structural representation of band described in the utility model.

Detailed description of the invention

Below in conjunction with drawings and Examples, the technical scheme in this utility model is further illustrated.

Such as Fig. 1, shown in Fig. 2, the tubing body 1 of this utility model band 2 spiral winding by �� font bonding forming, described tubing body 1 includes tube wall 11 and is located at outside tube wall 11 and spiral corrugation 12 integrated with tube wall 11, described band 2 includes substrate and the ripple projection 21 that be connected one-body molded with substrate, wherein: described substrate includes the identical first substrate of thickness 22 and second substrate 23, the cross section of described ripple projection 21 is that annulus is by a planar interception gained the special-shaped shape with opening, described first substrate 22 and second substrate 23 are connected to the opening both sides of ripple projection 21, and described first substrate 22 is concordant with the bottom surface of ripple projection 21 with the bottom surface of second substrate 23,

One end away from ripple projection 21 of described first substrate 22 is additionally provided with a connecting piece 24, and the bottom surface of described a connecting piece 24 is concordant with the bottom surface of first substrate 22, and the end face of described a connecting piece 24 is lower than the end face of first substrate 22; One end away from ripple projection 21 of described second substrate 23 is additionally provided with the second connection sheet 25, described second connects the end face of sheet 25 and the either flush of second substrate 23, described second bottom surface higher than second substrate 23, the bottom surface connecting sheet 25, the width that described a connecting piece 24 connects sheet 25 with second is identical, and described a connecting piece 24 and the second thickness sum connecting sheet 25 are equal to the thickness of first substrate 22.

This utility model reduces consumption of raw materials, and decreases work flow, and then significantly reduces product cost; Simultaneously when bonding, add bond area by a connecting piece 24 and the second coupling structure connecting sheet 25, it is ensured that the adhesive strength between adjacent two circle bands, and then ensure that product stability.

The foregoing is only preferred embodiment of the present utility model; not in order to limit this utility model; all within spirit of the present utility model and principle, any amendment of making, equivalent replacement, improvement etc., should be included within protection domain of the present utility model.

Claims (1)

1. a helical corrugation winding pipe, it is characterized in that: include the band spiral winding by �� font the tubing body of bonding forming, described tubing body includes tube wall and is located at outside tube wall and spiral corrugation integrated with tube wall, described band includes substrate and the ripple that be connected one-body molded with substrate is protruding, wherein: described substrate includes the identical first substrate of thickness and second substrate, the cross section of described ripple projection is that annulus is by a planar interception gained the special-shaped shape with opening, described first substrate and second substrate are connected to the opening both sides that ripple is protruding, and the described first substrate bottom surface protruding with ripple with the bottom surface of second substrate is concordant,

One end protruding away from ripple of described first substrate is additionally provided with a connecting piece, and the bottom surface of described a connecting piece is concordant with the bottom surface of first substrate, and the end face of described a connecting piece is lower than the end face of first substrate; One end protruding away from ripple of described second substrate is additionally provided with the second connection sheet, described second connects the end face of sheet and the either flush of second substrate, described second bottom surface higher than second substrate, the bottom surface connecting sheet, the width that described a connecting piece and second connects sheet is identical, and described a connecting piece and second connects the thickness sum thickness equal to first substrate of sheet.