CN217056656U - Reinforced PP (polypropylene) double-wave-crest winding type drain pipe - Google Patents

Abstract

The utility model belongs to the technical field of macromolecules, in particular to a reinforced PP double-wave-crest winding type drain pipe; the drainage pipe comprises a drainage pipe body formed by winding a drainage pipe unit, wherein the drainage pipe unit comprises a first protruding part and a second protruding part which are mutually connected and symmetrically arranged, a gap is arranged between the first protruding part and the second protruding part, and a protective layer structure is arranged on the gap; when the large-diameter drain pipe is manufactured, the ring rigidity requirement reaches the standard.

Description

Reinforced PP (polypropylene) double-wave-crest winding type drain pipe

Technical Field

The utility model belongs to the technical field of the polymer, concretely relates to strenghthened type PP two ripples peak winding type drain pipes.

Background

The drain pipes adopted in the current market comprise full-plastic drain pipe polyethylene double-wall corrugated pipes, hollow wall winding pipes, Krah pipes, plastic steel composite drain pipe steel belt reinforced polyethylene spiral corrugated pipes and polyethylene plastic steel drain pipes; the polyethylene double-wall corrugated pipe is formed by adding a certain reinforcing material into plastic through one-time extrusion, the product has thin wave crest wall and light weight, and is widely applied to drainage of building districts, but for the drainage pipe with the caliber larger than 600, the requirement on the ring rigidity is higher, and when the existing drainage pipe is manufactured into a large caliber, the requirement on the ring rigidity cannot meet the requirement, so that the drainage pipe capable of meeting the requirement on the ring rigidity under the large caliber needs to be manufactured.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a strenghthened type PP two ripples peak winding type drain pipe, when making the heavy-calibre drain pipe, the ring rigidity requirement is up to standard.

In order to solve the technical problem, the utility model adopts the following technical scheme:

the utility model provides a strenghthened type PP two wave crest winding type drain pipe, includes the drain pipe body that is formed by the winding of drain pipe unit, and the drain pipe unit includes first bellying and the second bellying that interconnect and symmetry set up, is provided with the clearance between first bellying and the second bellying, is provided with protective layer structure in the clearance.

Further, first bellying, second bellying and protective layer are the inside cavity structure that is provided with the cavity body.

Further, the heights of the first protruding portion and the second protruding portion are consistent, and the heights of the first protruding portion and the second protruding portion are larger than the height of the protective layer.

Further, first bellying and second bellying all include inside PP enhancement layer and outside high density polyethylene layer, and high density polyethylene layer parcel sets up outside the PP enhancement layer.

Furthermore, a reinforced layer is arranged in the cavity of the protective layer.

Further, the bottom surfaces of the first lug boss, the second lug boss, the first lug boss and the second lug boss connecting piece are all provided with wear-resistant layers.

Compared with the prior art, the utility model discloses one of following beneficial effect has at least:

1. the utility model discloses be provided with first bellying and second bellying to be provided with the protective layer between first bellying and second bellying, when preparation heavy-calibre drain pipe, ring rigidity requirement is up to standard.

2. Set up first bellying and second bellying inside into the PP enhancement layer, the outside sets up to the high density polyethylene layer, and inner structure can improve ring rigidity, and outer structure can improve ring toughness.

3. The reinforced layer is arranged to enhance the compression resistance.

4. Be provided with wearing layer, can improve wear resistance.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic side view of the drainage pipe unit of the present invention.

In the figures, 1-the drain body; 2-a first boss; 3-a second boss; 4-a protective layer; 5-PP reinforcement layer; 6-high density polyethylene layer, 7-reinforcing layer and 8-wear layer.

Detailed Description

As shown in fig. 1-2, in order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Example 1

The utility model provides a strenghthened type PP two wave crest winding type drain pipe, includes the drain pipe body 1 that forms by the drain pipe unit winding, and the drain pipe unit includes interconnect and first bellying 2 and the second bellying 3 that the symmetry set up, is provided with the clearance between first bellying 2 and the second bellying 3, is provided with protective layer 4 structure in the clearance, and when the preparation heavy-calibre drain pipe, the ring rigidity requirement is up to standard, and the highest ring rigidity can reach SN 18.

Example 2

On the basis of embodiment 1, first bellying 2, second bellying 3 and protective layer 4 are the inside cavity structure that is provided with the cavity body, the highly uniform of first bellying 2 and second bellying 3, and the height that highly is greater than protective layer 4 of first bellying 2 and second bellying 3, first bellying 2 and second bellying 3 all include inside PP enhancement layer 5 and outside high density polyethylene layer 6, 6 parcel in high density polyethylene layer set up in 5 outsides of PP enhancement layer, inner structure can improve ring rigidity, outer structure can improve ring toughness, it is strong to have shock resistance, excellent properties such as ageing-resistant time length.

Example 3

On the basis of the embodiment 1, the reinforcing layer 7 is arranged in the cavity of the protective layer 4, so that the compression resistance of the protective layer is enhanced.

Example 4

On the basis of embodiment 1, the bottom surfaces of the first protruding portion 2, the second protruding portion 3, and the connecting member between the first protruding portion 2 and the second protruding portion 3 are all provided with the wear-resistant layer 8, and the wear-resistant layer 8 is made of siloxane-high molecular weight polyethylene wear-resistant material, so that the wear-resistant performance can be improved.

Product characteristic analysis:

1. the ring steel degree is high:

the wave crest of the product adopts a composite multilayer structure design, the wave crest adopts a reinforcing rib type double-layer structure, an internal PP reinforcing layer 5 and an external high-density polyethylene layer 6. The ring stiffness of the product is greatly improved, and the highest ring stiffness can reach SN 18.

TABLE 1 comparative tables of polyethylene and polypropylene moduli

Item	Polyethylene	Polypropylene
			Tensile modulus of elasticity (1051bf/in2)	0.2-0.27	1.2-2.9

2. Good wear resistance

In the operation process of the pipeline, a certain amount of silt, other solid impurities and the like can be unavoidably existed in the rain water, and certain abrasion can be unavoidably caused in the operation process. The polysiloxane-high molecular weight polyethylene wear-resistant material is used in the inner layer of the Yihua high molecular weight high density polyethylene double-wave-crest reinforced winding structure wall pipe, so that the service life of the product is greatly prolonged.

Wear rate comparison of polysiloxane-high molecular weight polyethylene with conventional products is shown

TABLE 2 mortar wear resistance test result I

TABLE 3 mortar abrasion resistance test result II

TABLE 4 mortar wear resistance test result III

3. Good long-term circulation performance

Because the inner layer of the pipeline adopts polysiloxane-high molecular weight polyethylene with excellent wear resistance, the inner layer of the pipeline is not easy to be worn and scratched, the long-term excellent circulation performance of the pipe is greatly improved, and the phenomenon of blockage is not easy to occur.

4. Strong impact resistance: pipeline product crest and trough have all adopted the design of double-deck elastic construction, and especially trough and crest junction have adopted the design of protectiveness thickening, very big improvement the shock resistance of product, avoided the product in the use collision, drag and cause the damage to the product.

5. The chemical property is good: the special anti-aging agent is added into the special materials used by the whole product, so that the anti-aging performance of the product is improved.

6. The service life is long: the service life of the product can reach more than 50 years by the two aspects of structural design and raw materials with excellent performance.

Although the invention has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this invention. More specifically, various variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure, the drawings and the appended claims. In addition to variations and modifications in the component parts and/or arrangements, other uses will also be apparent to those skilled in the art.

Claims (6)

1. The utility model provides a strenghthened type PP two crest winding type drain pipes which characterized in that: the water draining pipe comprises a water draining pipe body (1) formed by winding a water draining pipe unit, wherein the water draining pipe unit comprises a first protruding part (2) and a second protruding part (3) which are connected with each other and symmetrically arranged, a gap is formed between the first protruding part (2) and the second protruding part (3), and a protective layer (4) structure is arranged on the gap.

2. The reinforced PP double-wave-crest winding type drain pipe of claim 1, wherein: the first protruding portion (2), the second protruding portion (3) and the protective layer (4) are all of cavity structures with cavities arranged inside.

3. The reinforced PP double-crest winding type drain pipe as claimed in claim 1, wherein: the heights of the first protruding portion (2) and the second protruding portion (3) are consistent, and the heights of the first protruding portion (2) and the second protruding portion (3) are larger than that of the protective layer (4).

4. The reinforced PP double-wave-crest winding type drain pipe of claim 1, wherein: first bellying (2) and second bellying (3) all include inside PP enhancement layer (5) and outside high density polyethylene layer (6), and high density polyethylene layer (6) parcel sets up outside PP enhancement layer (5).

5. The reinforced PP double-crest winding type drain pipe as claimed in claim 2, wherein: a reinforcing layer (7) is arranged in the cavity body of the protective layer (4).

6. The reinforced PP double-crest winding type drain pipe as claimed in claim 1, wherein: the bottom surfaces of the first protruding part (2), the second protruding part (3), the first protruding part (2) and the second protruding part (3) connecting piece are all provided with wear-resistant layers (8).

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