CN211118064U

CN211118064U - Novel HDPE winding pipe

Info

Publication number: CN211118064U
Application number: CN201922427387.XU
Authority: CN
Inventors: 郭林; 杨建华; 王云文; 安宝林; 冯海军
Original assignee: Sichuan Renzhi New Material Technology Co ltd
Current assignee: Sichuan Renzhi New Material Technology Co ltd
Priority date: 2019-12-27
Filing date: 2019-12-27
Publication date: 2020-07-28
Anticipated expiration: 2029-12-27

Abstract

The utility model discloses a novel HDPE winding pipe, include: the connecting part is respectively and fixedly provided with a male end and a female end; the body includes: the surface layer and the inner layer define a containing cavity between the surface layer and the inner layer, the containing cavity is filled with a honeycomb-shaped flexible cushion layer, the outer surface of the surface layer is provided with a wear-resistant layer, and the inner surface of the inner layer is provided with a corrosion-resistant layer; the outer surface of the wear-resistant layer is further provided with a plurality of annular reinforcing ribs, a first reinforcing rib and a second reinforcing rib which are axially symmetrically arranged along the annular reinforcing ribs are further arranged between the two annular reinforcing ribs, and the first reinforcing rib and the second reinforcing rib form a diamond shape. The HDPE winding pipe that adopts by the patent is pegged graft fixedly convenient, high-efficient and stable strong.

Description

Novel HDPE winding pipe

Technical Field

The utility model relates to a compound winding pipe. More specifically, the utility model relates to a novel HDPE winding pipe.

Background

The production process of the existing winding pipe comprises one-step forming and two-step forming, wherein the one-step forming is that nylon or plastic particle materials are heated, plasticized and extruded into sheet-like strips by a plastic extruder, the strips are extruded from a machine head die and then wound on mandrels with different specifications clamped by a winding machine without water cooling, and then the strips are cooled and shaped by cooling water and separated from the mandrels, so that the hollow winding pipe is formed; secondary molding, namely, extruding the spiral sheath nylon or plastic particles into thin strips by an extruder, cooling the thin strips in cooling water, and winding the cooled strips on core rods with different specifications by a winding machine; then the core rod is pushed into a vulcanizing tank for heating and vulcanizing, and the core rod is taken out of the tank after a certain time and separated from the core rod, thus forming.

Although the prior winding pipe technology in China is mature, the defects still exist, most winding pipes are connected with each other mainly in the connection modes of heat-shrinkable belt connection, stainless steel hoop connection, heat-shrinkable sleeve connection and the like, and the installation mode and the structure are complex, so that the replacement, the maintenance and the installation are difficult; meanwhile, the existing winding pipe is poor in overall ring rigidity, deformation and cracking are easily caused when the existing winding pipe is repeatedly impacted by fluid or external force is not uniform, the connection of part of the winding pipe can be carried out by adopting a structure for bearing a plug, and the winding pipe is complex in structure and not easy to popularize.

SUMMERY OF THE UTILITY MODEL

An object of the present invention is to solve at least the above problems and/or disadvantages and to provide at least the advantages which will be described later.

To achieve these objects and other advantages in accordance with the purpose of the invention, a new HDPE winding pipe is provided, comprising:

the device comprises a pipe body, a connecting piece and a connecting piece, wherein two ends of the pipe body are respectively arranged into a male end and a female end;

the body includes: the surface layer and the inner layer define a containing cavity between the surface layer and the inner layer, the containing cavity is filled with a honeycomb-shaped flexible cushion layer, the outer surface of the surface layer is provided with a wear-resistant layer, and the inner surface of the inner layer is provided with a corrosion-resistant layer;

the outer surface of the wear-resistant layer is also provided with a plurality of annular reinforcing ribs, a first reinforcing rib and a second reinforcing rib which are axially symmetrically arranged along the annular reinforcing ribs are also arranged between the two annular reinforcing ribs, and the first reinforcing rib and the second reinforcing rib form a rhombus;

the female end includes: the first connecting part extends along one side of the pipe body, is fixedly arranged on the pipe body, and is fixedly arranged on a first circular ring on the first connecting part, 4 inwards concave circular arc grooves are uniformly distributed on the first circular ring, and one end of each inwards concave circular arc groove is provided with a trapezoidal inwards concave cavity;

the male end comprises: the second connecting part extends along the other side of the pipe body, is fixedly arranged on the second connecting part, is fixedly arranged on a second circular ring on the second connecting part, and is uniformly provided with 4 circular arc convex blocks protruding out of the surface of the second circular ring and matched with the concave circular arc grooves, and one end of each circular arc convex block is fixedly provided with a trapezoidal clamping block;

the inner concave arc groove is provided with a contraction part at one side close to the trapezoid inner concave cavity, the arc convex block and the trapezoid clamping block are inserted in the inner concave arc groove and rotate for a preset angle along a preset direction, and the trapezoid clamping block can be clamped in the trapezoid inner concave cavity to be fixed.

Preferably, an inner concave circle is further formed at a preset position on the first circular ring, an annular baffle protruding from the surface of the second circular ring and matched with the inner concave circle is fixedly arranged at the preset position of the second circular ring, and the annular baffle can be inserted into the inner concave circle.

Preferably, a flexible sealing layer is adhesively arranged on the circumferential direction of the annular baffle.

The utility model discloses at least, include following beneficial effect:

one of which, through the holding cavity and the cellular flexible cushion layer that set up, improved the flexibility on winding pipe surface greatly to improve its reply outside striking destruction's flexible buffer capacity, the wearing layer of setting has improved the wear resistance on winding pipe surface, makes it when laying and when transporting, avoids to a certain extent by the wearing and tearing breakage, the corrosion resistant layer that sets up simultaneously makes it in when transportation and circulation liquid, avoids interior pipe wall to be corroded.

The male end and the female end are arranged at the two ends of the pipe body respectively, so that the two winding pipes can be connected directly through mutual insertion of the male end and the female end.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

Figure 1 shows a front view of a HDPE winding pipe;

figure 2 shows a side cross-sectional view of a HDPE winding pipe;

FIG. 3 shows a B-side view;

fig. 4 shows a view from the a-side.

Detailed Description

The present invention is further described in detail below with reference to the drawings so that those skilled in the art can implement the invention with reference to the description.

It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.

Fig. 1 shows an implementation form of a novel HDPE winding pipe according to the present invention, which includes:

the device comprises a pipe body 1, wherein two ends of the pipe body are respectively provided with a male end 2 and a female end 3;

the pipe body 1 includes: the surface layer 101 and the inner layer 102, a containing cavity 103 is defined between the surface layer and the inner layer, a honeycomb-shaped flexible cushion layer 104 is filled in the containing cavity, a wear-resistant layer 105 is arranged on the outer surface of the surface layer 101, and a corrosion-resistant layer 106 is arranged on the inner surface of the inner layer 102;

the outer surface of the wear-resistant layer 105 is also provided with a plurality of annular reinforcing ribs 4, a first reinforcing rib 5 and a second reinforcing rib 6 which are axially symmetrically arranged along the annular reinforcing ribs 4 are also arranged between the two annular reinforcing ribs 4, and the first reinforcing rib and the second reinforcing rib form a rhombus;

the female terminal 3 comprises: the pipe comprises a pipe body 1, a first connecting part 7, a first circular ring 8 and a second circular ring, wherein the first connecting part 7 extends along one side of the pipe body 1 and is fixedly arranged on the pipe body, the first circular ring 8 is fixedly arranged on the first connecting part 7, 4 inwards-concave circular arc grooves 9 are uniformly distributed on the first circular ring 8, and one end of each inwards-concave circular arc groove 9 is provided with a trapezoidal inwards-concave cavity 10;

the male end 2 includes: the second connecting part 11 extends along the other side of the pipe body 1 and is fixedly arranged on the second connecting part, a second circular ring 12 fixedly arranged on the second connecting part 11, and 4 circular arc convex blocks 13 protruding out of the surface of the second circular ring 12 and matched with the concave circular arc grooves are uniformly distributed on the surface of the second circular ring 12, and a trapezoidal clamping block 14 is fixedly arranged on one end of each circular arc convex block 13;

the inner concave arc groove 9 is provided with a contraction part 15 at one side close to the trapezoidal inner concave cavity 10, the arc convex block and the trapezoidal fixture block are inserted into the inner concave arc groove and rotate for a preset angle along a preset direction, and the trapezoidal fixture block can be clamped in the trapezoidal inner concave cavity to be fixed.

Through the public end and the female end that set up at body both ends, its mainly used carries out quick, simple, convenient grafting with two winding pipes, avoids current accepting the plug structure complicacy, awkward disadvantage, is fit for extensive popularization and application.

The cavity 103 and the cellular flexible cushion layer 104 that hold that set up on the body, the structure that holds the cavity originally can carry out certain absorption and offset to external force, the flexible buffering effect of the cellular flexible cushion layer of deuterogamying, make the flexibility and the deformation effect on winding body surface improve greatly, and then improve the flexible buffer capacity of reply outside striking and collision, wearing layer 105 of setting, make it when laying and transporting, improve the wear resistance on winding pipe surface, avoid being worn and torn the breakage fast, the corrosion resistant layer 106 of setting, make its in when transportation and circulation liquid, avoid the interior pipe wall to be corroded.

Through the annular reinforcing rib 4 that sets up, make it improve the horizontal anti tractive deformability of winding pipe, avoid being torn apart, set up first stiffening rib 5 and second stiffening rib 6, improved the winding pipe at its surperficial ascending structural stress in a plurality of directions to the tensile and the pull strength on reinforcing body surface.

The principle and the mode of mutual insertion of the male end 2 and the female end 3 are as follows: firstly, the end surfaces of a male end and a female end are aligned according to a preset direction, because the 4 inner concave arc grooves, trapezoidal fixture blocks and arc lugs arranged on the male end and the female end are matched with each other in structure size and have the same specification, any one of the inner concave arc grooves, the trapezoidal fixture blocks and the arc lugs is aligned accurately, the other 3 inner concave arc grooves are also aligned automatically, then the male end is inserted into the female end by manual force application, after the 4 arc lugs and the trapezoidal fixture blocks are respectively and completely inserted into the 4 inner concave arc grooves, the male end is rotated by force application along the anticlockwise direction, the trapezoidal fixture block arranged on the male end moves towards the trapezoidal inner concave cavity arranged on the female end, when the trapezoidal fixture block rotates along the inner concave arc grooves for a certain angle, the trapezoidal fixture block is separated from the constraint of the inner concave arc grooves and enters the trapezoidal inner concave cavity to be clamped in the trapezoidal concave cavity, after the 4 trapezoidal fixture blocks are respectively clamped in the 4 trapezoidal inner concave grooves, because trapezoidal fixture block and trapezoidal inner concave cavity's structure and size are mutually supported and are adapted, so after trapezoidal fixture block chucking, its position can not take place to shift and change, and then make the fixed stability of public end and female end improve greatly, and grafting simple structure, easily operation and implementation need not with the help of outside other mechanical equipment, especially adapt to and make things convenient for field operation. Be provided with the pars contractilis being close to shape inner cave one side with inner concave circular arc groove, its aim at trapezoidal fixture block adopts rubber, it rotates the in-process toward trapezoidal inner cave in inner concave circular arc groove as it, because the existence of inner concave circular arc groove pars contractilis, so trapezoidal fixture block can be extruded when rotating, trapezoidal fixture block produces corresponding deformation and just can pass the pars contractilis smoothly, and will get into trapezoidal inner cave after trapezoidal fixture block passes through the pars contractilis completely after, trapezoidal fixture block can resume the original state immediately this moment, the pars contractilis just forms the locking effect to trapezoidal fixture block, thereby make the card that trapezoidal fixture block is tight in trapezoidal inner cave, guarantee can not roll-off and free movement, improve joint fixed stability.

In addition, the length of the inner concave arc groove needs to be set to be larger than the sum of the lengths of the arc convex block and the trapezoidal fixture block, and the width of the inner concave arc groove needs to be set to be larger than any one of the arc convex block and the trapezoidal fixture block. Its aim at, when inserting the public end to female end just, circular arc lug and trapezoidal fixture block can be held in indent circular arc groove to guarantee that the terminal surface of public end and female end can closely laminate.

In another example, a preset position on the first ring 8 is further provided with an inner concave circle 16, a preset position on the second ring 12 is fixedly provided with an annular baffle 17 protruding from the surface of the second ring and matching with the inner concave circle, and the annular baffle can be inserted into the inner concave circle. When public end was inserted to female end, annular baffle also inserted in to the indent circle, and when public end rotated, annular baffle also rotated in the indent circle, and after public end and female end inside callipers tightly, annular baffle closed inside concave arc groove, trapezoidal interior concave cavity and trapezoidal fixture block etc. avoids two interface position departments to take place the seepage, influences the grafting effect of public end and female end.

In another example, a flexible sealing layer (not shown) is bonded to the circumferential direction of the annular baffle. Through the flexible sealing layer that sets up, prevent further that outside liquid from in the interface of annular baffle infiltration into public end and female end, can not exert an influence to the fixed stability of indent circular arc groove, trapezoidal interior concave cavity and trapezoidal fixture block chucking.

The number of apparatuses and the scale of the process described here are intended to simplify the description of the present invention. The use, modifications and variations of a novel HDPE winding tube of the present invention will be apparent to those skilled in the art.

While embodiments of the invention have been disclosed above, it is not intended to be limited to the applications listed in the specification and the examples. It can be applicable to various and be fit for the utility model discloses a field completely. Additional modifications will readily occur to those skilled in the art. The invention is therefore not to be limited to the specific details and illustrations shown and described herein, without departing from the general concept defined by the claims and their equivalents.

Claims

1. A novel HDPE winding pipe, which is characterized by comprising:

2. The HDPE winding pipe as claimed in claim 1, wherein a concave circle is further formed at a predetermined position on the first ring, an annular baffle protruding from the surface of the second ring and matching with the concave circle is fixedly disposed at a predetermined position on the second ring, and the annular baffle can be inserted into the concave circle.

3. The HDPE winding pipe as claimed in claim 2, wherein a flexible sealing layer is bonded to the circumferential direction of the annular baffle.