CN221257983U - High-strength PE pipe - Google Patents

Abstract

The utility model relates to the technical field of PE pipes, in particular to a high-strength PE pipe, which comprises a reinforcing layer, wherein the reinforcing layer comprises a base part, a connecting part and a stretchable stretching strip, the base part and the base part are vertically connected at intervals through the connecting part, the stretching strip is vertically connected with the base part and is arranged in a bending mode, the stretching strip is positioned on one side of the connecting part, and the cross section of the base part is larger than that of the connecting part.

Description

High-strength PE pipe

Technical Field

The utility model relates to the technical field of PE pipes, in particular to a high-strength PE pipe.

Background

The existing PE pipe can be applied to various environments and is influenced by the environments in the using process, so that the performance of the PE pipe is reduced or the PE pipe is damaged, and the quality and the like of the PE pipe are negatively influenced.

When the PE pipe is used, the PE pipe faces bending, torsion, stretching and other acting forces, the acting forces can cause deformation, cracking and fracture of the pipeline, and the influence of the acting forces on the pipeline is particularly remarkable under the conditions of buried ground, underwater or underground structure crossing; in extremely high or low temperature environments, the strength, toughness and durability of the PE pipe may be affected, high temperatures may cause softening, expansion of the pipe, and low temperatures may cause embrittlement of the pipe, increasing the risk of breakage; when the PE pipe is exposed to the outdoor environment, the PE pipe can be influenced by ultraviolet radiation, so that oxidation reaction is caused, and the oxidation can cause problems of surface cracking, toughness reduction and the like of the pipe, so that the performance and the service life of the pipe are influenced; the torsion resistance, the tensile resistance and the compression resistance of the PE pipe can be affected by the problems, so that the possibility of leakage of liquid in the pipe is increased, the safety of the PE pipe is reduced, the safety of the PE pipe in the environment is reduced, and the potential danger of the environment is increased.

Accordingly, there is a need to provide a PE pipe structure that reduces the negative effects of the above problems.

Disclosure of Invention

The utility model aims to provide a PE pipe with high strength, which is designed for solving at least one technical problem in the background art.

In order to achieve the above purpose, the present utility model adopts the following scheme: the utility model provides a PE tubular product of high strength, includes the enhancement layer, the enhancement layer includes base member, connecting piece, stretchable tensile strip, pass through between the base member connecting piece vertical interval connects, tensile strip vertical connection in between the base member and be crooked setting, tensile strip is located one side of connecting piece, the cross section of base member is greater than the cross section of connecting piece.

The base parts are connected with each other at vertical intervals through the connecting pieces to form base part assemblies, the reinforcing layers are arranged between the base part assemblies in a surrounding mode, the base part assemblies are connected with each other at intervals through the connecting pieces, and the stretching strips are connected with the base parts of the base part assemblies and the base parts of the other group of base part assemblies.

Wherein the stretching strip is rotationally connected with the base member.

The T-shaped piece is connected to the outer wall of the base piece, the cap end of the T-shaped piece is far away from the base piece, the axis of the T-shaped piece and the outer wall of the base piece are arranged vertically, the stretching strips are arranged in an annular mode, and the stretching strips are sleeved between the adjacent base pieces through the T-shaped piece.

The reinforcing layer comprises a shell piece provided with a cavity, the shell piece is sleeved on the outer sides of the connecting piece and the stretching strip, and the connecting piece and the stretching strip are located in the cavity.

Wherein the stretching strip is connected to one side of the connecting piece facing outwards.

One group or a plurality of groups of connecting pieces and stretching strips are connected between the base pieces of the same group of base piece assemblies, and the plurality of groups of stretching strips are correspondingly positioned on one sides of the plurality of groups of connecting pieces.

Wherein, the base member subassembly of multiunit all encircles and establishes and embedded in the inboard of enhancement layer.

The waterproof layer comprises a reinforcing layer, and is characterized by further comprising a first waterproof layer and a second waterproof layer, wherein the first waterproof layer is connected to the inner side of the reinforcing layer, and the second waterproof layer is connected to the outer side of the reinforcing layer.

The waterproof layer further comprises a drying layer, and the drying layer is connected between the second waterproof layer and the reinforcing layer.

The PE pipe has the advantages that as the plurality of groups of base components are connected through the connecting pieces, the tensile strength of the connecting pieces is smaller than that of the base components, when the PE pipe is pulled and is axially stretched towards the PE pipe, the connecting pieces are stretched before the base components, if the connection between the base components is stretched or broken, the connecting pieces are stretched or broken, the stretching strips on one side of the connecting pieces are gradually changed into straight from a bent state, namely, the stretching strips are gradually changed into a tensioning state from a loose state, and the stretching strips which are changed into straight form provide tensile resistance for the PE pipe;

When the PE pipe is stressed to cause the pipe body to bend and deform, the stretching strip positioned at one side of the connecting piece gradually changes from a loose state to a tension state and gradually increases the bending degree in the gradual bending process of the connecting piece, so that tensile resistance and bending resistance are provided for the PE pipe;

Through the arrangement, tensile resistance and bending resistance of the PE pipe are improved when the PE pipe is stretched and bent, when the performance of the PE pipe provided by the PE material is reduced, the reinforcing layer can compensate the influence of the performance reduction of the PE material on the PE pipe, the reinforcing layer provides a connected supporting frame for the PE pipe, the tensile resistance of the PE pipe is enhanced, the possibility of deformation and fracture of the PE pipe is reduced, the influence of external factors on the PE pipe is reduced, the stability of the PE pipe is improved, the strength of the PE pipe is improved, and the stability of liquid in the PE pipe is improved.

Drawings

FIG. 1 is a schematic view of a partially detached PE pipe of high strength;

FIG. 2 is an enlarged view of area A of FIG. 1;

FIG. 3 is an enlarged view of region B of FIG. 1;

FIG. 4 is a perspective view of a high strength PE tubing partially detached and attached with a blank;

FIG. 5 is an enlarged view of region C of FIG. 4;

fig. 6 is an enlarged view of region D of fig. 4;

FIG. 7 is a perspective view of a high strength PE tubing;

fig. 8 is an enlarged view of the area E of fig. 7;

fig. 9 is an elevation view of a base member assembly of a high strength PE tubing.

Detailed Description

Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so as to provide an intuitive and visual understanding of each technical feature and overall solution of the present utility model, but are not to be construed as limiting the scope of the present utility model.

In the description of the present utility model, if an orientation description such as "upper", "lower", "front", "rear", "left", "right", etc. is referred to, it is merely for convenience of description and simplification of the description, and does not indicate or imply that the apparatus or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the utility model. When a feature is referred to as being "disposed," "secured" or "connected" to another feature, it can be directly disposed, secured or connected to the other feature or it can be indirectly disposed, secured or connected to the other feature.

In the description of the present utility model, if "a number" is referred to, it means one or more, if "a number" is referred to, it means two or more, if "greater than", "less than", "exceeding" is referred to, it is to be understood that the number is not included, and if "above", "below", "within" is referred to, it is understood that the number is included. If reference is made to "first", "second" it is to be understood as being used for distinguishing technical features and not as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

Furthermore, unless defined otherwise, technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. It should be understood that the terms "comprises" and "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.

Examples: as shown in fig. 1-8, a high-strength PE pipe includes a reinforcing layer 101, where the reinforcing layer 101 includes a base member 1011, a connection member 1013, and stretchable stretching strips 1014, where the base member 1011 is vertically connected by the connection member 1013 at intervals, the stretching strips 1014 are vertically connected between the base members 1011 and are arranged in a curved manner, the stretching strips 1014 are located at one side of the connection member 1013, the cross section of the base member 1011 is larger than the cross section of the connection member 1013, and since multiple groups of base members are connected by the connection member, the cross section of the base member is larger than the cross section of the connection member, and the tensile strength of the connection member is smaller than that of the base member, when the PE pipe is pulled and stretched in the axial direction of the PE pipe, the connection member will be stretched before the base member, if the connection between the base member and the base member is stretched or broken, the stretching strips located at one side of the connection member will gradually change from a curved state to a tensioned state, and the stretching strips changed gradually from a relaxed state to a tensioned state, and the stretched strips changed into a straight state will provide a tensile resistance to the PE pipe; when the PE pipe is stressed to cause the pipe body to bend and deform, the stretching strip positioned at one side of the connecting piece gradually changes from a loose state to a tension state and gradually increases the bending degree in the gradual bending process of the connecting piece, so that tensile resistance and bending resistance are provided for the PE pipe; through the arrangement, tensile resistance and bending resistance of the PE pipe are improved when the PE pipe is stretched and bent, when the performance of the PE pipe provided by the PE material is reduced, the reinforcing layer can compensate the influence of the performance reduction of the PE material on the PE pipe, the reinforcing layer provides a connected supporting frame for the PE pipe, the tensile resistance of the PE pipe is enhanced, the possibility of deformation and fracture of the PE pipe is reduced, the influence of external factors on the PE pipe is reduced, the stability of the PE pipe is improved, the strength of the PE pipe is improved, and the stability of liquid in the PE pipe is improved.

Wherein, the stretching strap 1014 is a steel wire strap, the toughness of the steel wire strap can improve the tensile property of the reinforcing layer, the tensile property of the PE pipe and the strength of the PE pipe.

The base members 1011 are vertically connected at intervals through the connecting members 1013 to form a base member assembly 1012, the base member assemblies 1012 are annularly arranged on the reinforcing layer 101, the base member assemblies 1012 are connected at intervals through the connecting members 1013, the stretching strips 1014 are connected with the base members 1011 of the base member assemblies 1012 and the base members 1011 of the other group, when the PE pipe is deformed by radial pressure, the cross section of the PE pipe is stressed and gradually deformed towards a flat shape, and the connecting members connected with the base member assemblies and the other group of base member assemblies are stressed and stretched, so that the stretching strips which are positioned at one side of the connecting members and are bent are gradually changed from a loose state to a tension state, and tensile resistance is provided for the PE pipe, the possibility of fracture of the PE pipe due to deformation is reduced, the stability of the PE pipe is improved, and the strength of the PE pipe is improved.

The stretching strips 1014 are rotationally connected with the base member 1011, when the PE pipe is stressed, the stretching strips rotate along with the acting force of the PE pipe, when the PE pipe is stressed by radial force, the pipe body of the PE pipe stressed by the radial force is radially dislocated, the vertically arranged stretching strips rotate along with the stress of the pipe body, so that acting force which is opposite to the radial force can be generated, the degree of the acting force which is opposite to the stretching strips is improved, the torsion resistance of the PE pipe is improved, the versatility of the PE pipe is improved, the tensile property of the PE pipe is improved, the strength of the PE pipe is improved, and the stability of the PE pipe is improved.

The outer wall of the base member 1011 is connected with a T-shaped member 1015, the cap end of the T-shaped member 1015 is far away from the base member 1011, the axis of the T-shaped member 1015 and the outer wall of the base member 1011 are arranged vertically, the stretching strip 1014 is arranged in a ring shape, the stretching strip 1014 is sleeved between the adjacent base members 1011 through the T-shaped member 1015, the ring-shaped stretching strip is sleeved on the T-shaped member, when the connecting member is deformed in tension, the distance between the T-shaped members located on different base members is increased, so that the stretching strip is driven to gradually change from a loose state to a tension state, the stretching strip provides tensile force for the PE pipe through the T-shaped member, the stability of the PE pipe is improved, and the strength of the PE pipe is improved.

Wherein, the reinforcement layer 101 includes a shell 1016 with a cavity, the shell 1016 is sleeved on the outer side of the connecting piece 1013 and the stretching strip 1014, the connecting piece 1013 and the stretching strip 1014 are located in the cavity, the shell is arranged on the outer side of the stretching strip, and when the reinforcement layer is molded, the shell protects the stretching strip, so that the stretching strip cannot contact with raw materials, and when the stretching strip is deformed under force, the stretching strip located in the cavity reduces the influence of PE pipe raw materials on the stretching strip.

The stretching strip 1014 is connected to the outward side of the connecting piece 1013, because the PE pipe is broken into a curved shape when the user uses the connecting piece 1013, the force is applied to the PE pipe, so that the connecting piece and the corresponding stretching strip are subjected to bending deformation, and the bending stretching amount of the stretching strip positioned at the outer side is larger than that of the connecting piece positioned at the inner side, so that the stretching strip in a loose state provides a reserved stretching amount for the problem, when the user applies bending force, the stretching strip does not apply a counter force, the difficulty of bending the PE pipe is reduced, when the deformation of the PE pipe exceeds the reserved amount of the stretching strip, the counter force is applied by the stretching strip, the difficulty of bending the PE pipe by the user is reduced, the stretching property of the stretching strip on the PE pipe is reserved, the force can be applied to the PE pipe after the bending effect, the convenience of using the PE pipe is improved, and the strength of the PE pipe is improved.

One or more groups of connecting pieces 1013 and stretching strips 1014 are connected between the base pieces 1011 of the same group of base piece assemblies 1012, and the groups of stretching strips 1014 are correspondingly positioned on one side of the groups of connecting pieces 1013.

The multiple groups of base component components 1013 are all arranged in a surrounding manner and embedded in the inner side of the reinforcing layer 101, and because of the uncertainty of the action point of the tension force and the action direction of the bending force of the PE pipe, the multiple groups of base component components are arranged in a surrounding manner and embedded in the reinforcing layer, the multiple groups of base component components provide tensile resistance for the tension force of different action positions and the bending force of different directions, so that the tensile resistance and the bending resistance of the PE pipe are improved, the strength of the PE pipe is further improved, and the stability of the PE pipe is improved.

The waterproof layer structure further comprises a first waterproof layer 102 and a second waterproof layer 103, the first waterproof layer 102 is connected to the inner side of the reinforcing layer 101, the second waterproof layer 103 is connected to the outer side of the reinforcing layer 101, the first waterproof layer and the second waterproof layer are connected to the inner side and the outer side of the reinforcing layer, the waterproof performance of the reinforcing layer is improved, the possibility of erosion of liquid to the reinforcing layer is reduced, the stability of the reinforcing layer is improved, the stability of the tensile performance of the PE pipe is improved, the stability of the PE pipe is improved, and the strength of the PE pipe is improved.

The first waterproof layer and the second waterproof layer are acrylic waterproof paint layers.

Wherein, still include wearing layer 104, wearing layer 104 is located the outside of second waterproof layer 103, through set up the wearing layer in the outside of second waterproof layer, reduce the influence of external friction to the second waterproof layer, protect the waterproof performance of second waterproof layer, reduce the influence of liquid to the enhancement layer, promote the stability of enhancement layer to promote PE tubular product tensile properties stability, promote the intensity of PE tubular product.

The wear-resistant layer 104 is preferably a quartz sand rubber composite layer, and is formed by compounding 10% -18% of quartz sand mixed in wear-resistant rubber, wherein the granularity of the quartz sand is 100-200 meshes, so that the rigidity and the compressive strength of the PE pipe are further improved, and the wear resistance of the PE pipe are improved.

The PE pipe further comprises a drying layer 105, the drying layer 105 is connected between the second waterproof layer 103 and the reinforcing layer 101, the drying layer is arranged, the infiltration amount of liquid outside the PE pipe to the reinforcing layer is further reduced, the possibility that the reinforcing layer is corroded by the liquid is reduced, the stability of the reinforcing layer is improved, the influence of the liquid on the tensile property of the PE pipe is reduced, the stability of the PE pipe is improved, and the strength of the PE pipe is improved.

It should be noted that, the drying layer 105 is formed by compounding an asbestos screen layer and a synthetic resin emulsion, at least two layers of asbestos screen layers are immersed in the synthetic resin emulsion type dampproof and mildewproof paint to be compounded to form the drying layer, asbestos has high fire resistance, electrical insulation and heat insulation, flame retardance of PE pipes is improved, meanwhile, liquid in the pipes can be insulated and insulated, liquid quality in the pipes is prevented from being influenced by outdoor insolation, and the resin emulsion type dampproof and mildewproof paint can effectively absorb moisture to achieve dampproof effect.

The reinforcing layer 101, the first waterproof layer 102, the second waterproof layer 103, the wear-resistant layer 104, and the dry layer 105 are bonded to each other by an ethylene copolymer adhesive layer.

While the utility model has been described with reference to certain preferred embodiments, it will be understood by those skilled in the art that various changes and substitutions of equivalents may be made and equivalents will be apparent to those skilled in the art without departing from the scope of the utility model. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.

Claims (10)

1. The utility model provides a PE tubular product of high strength, includes the enhancement layer, its characterized in that, the enhancement layer includes base member, connecting piece, stretchable tensile strip, pass through between the base member connecting piece vertical interval connects, tensile strip vertical connection in between the base member and be crooked setting, tensile strip is located one side of connecting piece, the cross section of base member is greater than the cross section of connecting piece.

2. The high-strength PE pipe of claim 1, wherein said base members are connected at vertical intervals by said connectors to form a base member assembly, said base member assemblies are looped around said reinforcing layer, said base member assemblies are connected at intervals by said connectors, and said tensile bars are connected to said base members of said base member assembly and said base members of another set of said base member assemblies.

3. The high strength PE pipe of claim 2, wherein said tensile bar is rotatably connected to said base member.

4. A high-strength PE pipe according to claim 3, wherein the outer wall of the base member is connected with a T-shaped member, the cap end of the T-shaped member is disposed away from the base member, the axis of the T-shaped member is disposed perpendicular to the outer wall of the base member, the tensile bar is disposed in a ring shape, and the tensile bar is sleeved between the adjacent base members through the T-shaped member.

5. The high-strength PE pipe according to claim 2, wherein the reinforcing layer comprises a shell member having a cavity, the shell member is sleeved on the outer sides of the connecting member and the tensile bar, and the connecting member and the tensile bar are located in the cavity.

6. The high strength PE pipe of claim 1, wherein said tensile bar is attached to an outward facing side of said connector.

7. The high-strength PE pipe according to claim 1, wherein one or more groups of connecting pieces and the stretching strips are connected between the base pieces of the same group of base piece assemblies, and the groups of stretching strips are correspondingly positioned on one side of the groups of connecting pieces.

8. The high strength PE pipe of claim 2, wherein a plurality of said base members are all circumferentially disposed and embedded inside said reinforcement layer.

9. The high-strength PE pipe of claim 2 further comprising a first waterproof layer attached to the inside of the reinforcing layer and a second waterproof layer attached to the outside of the reinforcing layer.

10. The high strength PE pipe of claim 9 further comprising a dry layer connected between said second waterproof layer and said reinforcing layer.