CN221075575U - PE pipe with crack resistance structure - Google Patents

Abstract

The utility model relates to the technical field of PE pipes, in particular to a PE pipe with an anti-cracking structure, which comprises a pipe body and an anti-cracking structure for connecting a plurality of groups of pipe bodies, wherein the anti-cracking structure comprises a pressing component and a base component, the base component comprises an inner layer, an arc-shaped main support is arranged on the inner side of the inner layer, a support shaft is arranged on the inner side of the inner layer in an extending mode, the plurality of groups of main supports are annularly arranged on the annular wall of the support shaft and are connected with the inner wall of the inner layer, the pressing component comprises an annular connecting piece and a telescopic push rod which is annularly arranged on the support shaft, a clamping groove for clamping the pipe body is concavely arranged on the side wall of the connecting piece far away from the inner layer, the telescopic push rod is arranged in the clamping groove, the pipe body is reinforced with the anti-cracking structure through the connection of the pressing component, the possibility of glue opening of the pipe body and the anti-cracking structure at the connection position is reduced, the possibility of cracking of the pipe body at the connection position is improved, the hidden danger of the PE pipe is reduced, and the service life of the PE pipe is prolonged.

Description

PE pipe with crack resistance structure

Technical Field

The utility model relates to the technical field of PE pipes, in particular to a PE pipe with an anti-cracking structure.

Background

PE pipe is widely used in engineering and families, has the advantages of corrosion resistance, easiness in installation and the like, so that the PE pipe is widely used in the field of pipes, the PE pipe can be used for underground conveying, overground laying and pipe systems under various environmental conditions, particularly, the PE pipe is applied to pipe systems such as tap water pipes, drainage pipes and cable threading pipes, a plurality of groups of pipe bodies are usually required to be connected and used, a cracking resistant structure is used for bonding the plurality of groups of pipe bodies, after the existing cracking resistant structure is bonded with the pipe bodies, the joint is easily subjected to sunlight or liquid erosion on the inner sides of the PE pipe bodies, so that colloid on the joint is influenced, the cracking resistant structure and the pipe bodies possibly appear a glue opening phenomenon, the pipe is broken, cables on the inner sides of the PE pipe are exposed or liquid on the inner sides of the PE pipe bodies is leaked, the stability of the pipe systems is influenced, the service life of the pipe systems is shortened, and hidden danger of the pipe systems is increased.

Accordingly, there is a need for further improvements over existing PE tubing in view of the above drawbacks.

Disclosure of Invention

The utility model aims to provide a PE pipe with an anti-cracking structure, 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 pipe with crack resistance structure, includes the pipe body, is used for connecting the multiunit crack resistance structure of pipe body, crack resistance structure is including supporting pressure subassembly, base member subassembly includes the inlayer, the inboard of inlayer is equipped with the main support of arc, is located the inboard of inlayer puts up the axle, it sets up to put up the axle along the axial extension, multiunit the main support ring is located the rampart of putting up the axle just connect in the inner wall of inlayer, support pressure subassembly including annular connecting piece, ring locate the flexible push rod of putting up the axle, the connecting piece is kept away from the lateral wall of inlayer is sunken to be provided with and is used for the joint groove of pipe body, flexible push rod is located in the joint groove.

The pressing assembly comprises an arch-shaped part, wherein the fixed end of the telescopic push rod is connected with the frame shaft, and the arch-shaped part is connected with the fixed end of the telescopic push rod and the fixed end of the telescopic push rod.

The pressing assembly further comprises a pressing piece, wherein a wall of the movable end of the telescopic push rod, which faces outwards, is connected with the pressing piece, and the wall of the pressing piece, which faces outwards, is larger than the wall of the movable end of the telescopic push rod, which faces outwards.

The matrix assembly further comprises a main reinforcement, wherein the main reinforcement is connected to the outer wall of the main support and the outer wall of the main support.

The side wall of the main support and/or the side wall of the telescopic push rod is/are concavely provided with a yielding part, and the yielding part extends along the axial direction and penetrates through the side part of the main support and/or the side part of the telescopic push rod.

Wherein, the portion of stepping down is equipped with the cambered surface, the cambered surface set up in the interior diapire of the portion of stepping down.

The base assembly further comprises an auxiliary support which is positioned on one side of the main support, the outer diameter of the auxiliary support is smaller than that of the main support, and a plurality of groups of auxiliary supports are arranged on the annular wall of the support shaft in a surrounding mode and connected with the inner wall of the inner layer.

The novel multifunctional support comprises a main support, and is characterized by further comprising an outer sheet body, wherein one side of the outer sheet body is sequentially connected with the outward outer wall of the main support and the outward outer wall of the auxiliary support, and the other side of the outer sheet body is connected with the inner layer.

The anti-cracking structure comprises a pressure sensor for detecting pressure difference at two sides of the anti-cracking structure, and the pressure sensor is connected to the outer wall of the inner side in a penetrating manner.

The clamping groove is connected with a sealing piece for leakage prevention, and the sealing piece is connected to the bottom wall of the clamping groove.

The pipe body end is clamped into the clamping groove, so that the pipe body is connected with the connecting piece, the telescopic push rod of the pressing assembly is contracted, the telescopic push rod in the contracted state is plugged into the inner side of the pipe body, the telescopic push rod in the stretched state is abutted against the pipe body from the inner side of the pipe body, the outer side of the pipe body is abutted against the outer annular wall of the clamping groove, and the end of the pipe body is clamped between the outer annular wall of the clamping groove and the telescopic push rod.

Through setting up to pressing the subassembly, consolidate the union coupling of pipe body and crack resistance structure, reduce the pipe body and crack resistance structure and take place the possibility of opening the glue in junction, reduce the pipe body and take place the possibility of breaking in junction, improve the stability of veneer between pipe body and the crack resistance structure, improve the crack resistance of PE tubular product, reduce the hidden danger of using of PE tubular product, improve the life of PE tubular product.

Drawings

FIG. 1 is a perspective view of a crack resistant structure of a PE tube having a crack resistant structure;

FIG. 2 is a top view of a crack resistant structure of a PE tube having a crack resistant structure;

FIG. 3 is a schematic illustration of a mechanism of a partially detached state of a crack resistant structure of a PE tube having a crack resistant structure;

FIG. 4 is an enlarged view of area A of FIG. 3;

FIG. 5 is an elevation view of a partially detached portion of a crack resistant structure of a PE tube having a crack resistant structure;

FIG. 6 is a perspective view of a PE tube having an anti-crack structure;

fig. 7 is an enlarged view of region B of fig. 6.

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. 1-7, a PE pipe with an anti-cracking structure includes a pipe body 11 and an anti-cracking structure 12 for connecting multiple groups of pipe bodies 11, the anti-cracking structure 12 includes a pressing component 121 and a base component, the base component includes an inner layer 1221, a main support 1222 with an arc shape is disposed at the inner side of the inner layer 1221, a support shaft 1223 is disposed at the inner side of the inner layer 1221, the support shaft 1223 extends along an axial direction, multiple groups of main supports 1222 are disposed around the annular wall of the support shaft 1223 and connected to the inner wall of the inner layer 1221, the pressing component 121 includes an annular connecting piece 1211 and a telescopic push rod 1213 disposed around the support shaft 1223, a clamping groove 1212 for clamping the pipe body 11 is disposed in a recess on a side wall of the connecting piece 1211 far from the inner layer 1221, and the telescopic push rod 1213 is disposed in the clamping groove 1212.

The pipe body end is clamped into the clamping groove, so that the pipe body is connected with the connecting piece, meanwhile, the telescopic push rod of the pressing component is contracted, the telescopic push rod in a contracted state is plugged into the inner side of the pipe body, the telescopic push rod in an expanded state is abutted against the pipe body from the inner side of the pipe body, the outer side of the pipe body is abutted against the outer annular wall of the clamping groove, the end of the pipe body is clamped between the outer annular wall of the clamping groove and the telescopic push rod, the connecting part is glued, the possibility that the pipe body and the anti-cracking structure are subjected to glue opening at the connecting part is reduced, the possibility that the pipe body is subjected to cracking at the connecting part is reduced, the cracking resistance of the PE pipe is improved, the hidden danger of the PE pipe is reduced, and the service life of the PE pipe is prolonged.

When PE tubular product receives the external pressure, flexible push rod receives the external pressure effect, because flexible push rod's thrust can resist each other with the external pressure to reduce the pipe body and crack resistant structure and press the possibility that produces the clearance and open the glue in junction.

When the PE pipe is subjected to internal pressure, the outer annular wall of the clamping groove receives the internal pressure effect, and as the outer annular wall of the clamping groove can resist the internal pressure mutually, the possibility that the joint of the pipe body and the anti-cracking structure is pressed to generate a gap to open the glue is reduced.

The pressing component 121 includes an arcuate piece 1214, a fixed end of the telescopic push rod 1213 is connected with the frame shaft 1223, the arcuate piece 1213 is connected to the fixed end of the telescopic push rod 1213 and the fixed end of the telescopic push rod 1213, and the arcuate piece reinforces the relative positions of the plurality of groups of telescopic push rods by connecting the arcuate piece between the telescopic push rod and the telescopic push rod, so as to slow down the tendency of expanding of the plurality of groups of telescopic push rods, further improve the crack resistance of the PE pipe, reduce the hidden danger of the PE pipe, and improve the service life of the PE pipe.

The pressing assembly 121 further includes a pressing piece 1215, a wall of the movable end of the telescopic push rod 1213 facing outward is connected with the pressing piece 1215, when the anti-cracking structure is connected with the pipe body, the pressing piece increases the contact area between the telescopic push rod and the inner side of the pipe body, through the arrangement, the acting surface of the contact is lifted, the uniformity of the pressing force is lifted, the anti-cracking degree of the telescopic push rod is lifted, the local pressure of the pipe body is reduced, the possibility of the pipe body to be broken by pressing is reduced, and the service life of the PE pipe is prolonged.

Wherein, the base assembly further includes a main reinforcement 1224, the main reinforcement 1224 is connected to the outer wall of the main support 1222 and the outer wall of the main support 1222, the reinforcement is connected between the main support and the main support, the reinforcement reinforces the relative positions of the main supports, when the PE pipe is pressed outward, the main support and the main support are acted by force, the main supports have a tendency to expand, the main supports with a tendency to expand increase the risk of inner layer cracking, and the reinforcement reinforces the relative positions of the main supports by connecting the main support and the main support, thereby slowing down the tendency of the main supports.

When the PE pipe is subjected to internal pressure, the inner layer subjected to the internal pressure has a tendency of expanding, the main support can provide acting force opposite to the internal pressure, and the main support applies internal tensile force to the inner layer on the inner side of the inner layer, so that the tensile force can at least partially offset the received internal pressure; when the PE pipe is used for a liquid pipeline, the inner pressure applied to the inner layer is provided by liquid, the main support is set to be arc-shaped, and the liquid flows to two sides of the main support along the arc surface of the main support, so that acting force of the liquid on the main support is reduced.

Through above-mentioned setting, the main support plays the effect of supporting and anti rising to the inlayer, and the reinforcement promotes the stability of position when atress between main support and the main support, slows down the range that atress and rise between main support and the main support, and the main support of arc formula slows down the effort of liquid to the main support, promotes the intensity of main support, reduces the influence of PE tubular product atress, reduces the risk that PE tubular product pressurized is broken, promotes the intensity and the stability of PE tubular product.

The side wall of the main support 1222 and/or the side wall of the telescopic push rod 1213 are/is concavely provided with a yielding portion 1216, the yielding portion 1216 extends along the axial direction and penetrates through the side portion of the main support 1222 and/or the side portion of the telescopic push rod 1213, and by arranging the yielding portion, the flowing liquid is reduced, the acting surface between the main support and the telescopic push rod is reduced, the channel width of the PE pipe for the flowing liquid is increased, so that the acting force between the liquid and the main support and between the telescopic push rod is reduced, the flowing of the liquid is facilitated, the smoothness of the flowing of the liquid is improved, the acting force of the liquid on the PE pipe is reduced, the strength of the PE pipe is improved, the stability of the PE pipe is improved, the risk of the pressed fracture of the PE pipe is reduced, and the strength and the stability of the PE pipe are improved.

Wherein, the interior diapire of portion 1216 of stepping down is the arc type setting, and the liquid that flows along the outer wall of main support, flexible push rod can flow along the arc type wall of portion of stepping down, and the liquid that flows along the arc type wall of portion of stepping down can collide each other with the liquid that flows along the outer wall of main reinforcement, bow-shaped spare to make effort offset each other, through setting up the portion of stepping down of arc type, reduce the effort that liquid produced, reduce the effort of liquid to PE tubular product inner wall, promote the intensity of PE tubular product, promote the stability of PE tubular product.

Wherein the base assembly further comprises a sub-bracket 1225 disposed at one side of the main bracket 1222, the outer diameter of the sub-bracket 1225 is smaller than the outer diameter of the main bracket 1222, a plurality of groups of sub-brackets 1225 are disposed around the wall of the bracket shaft 1223 and connected to the inner wall of the inner layer 1221, and the sub-bracket is disposed at one side or both sides of the main bracket to support the inner layer disposed at one side or both sides of the main bracket when the inner layer is pressed by the outside; when the inner layer receives internal pressure, the auxiliary support plays a role in reducing the cracking risk of the inner layer on one side or two sides of the main support, so that the strength of the inner layer is further improved, and the stability of the PE pipe is improved.

Wherein, vice support 1225 with vice support 1225 is connected with vice reinforcement 1226, and vice reinforcement plays the effect of constraint to the relative position of multiunit vice support, through setting up vice reinforcement, promotes the stability of the relative position when multiunit vice support is pressed, promotes the intensity of inlayer to promote the intensity of PE tubular product, promote the stability of PE tubular product.

The outer sheet 1227 is sequentially connected to the outward outer wall of the main support 1222 and the outward outer wall of the auxiliary support 1225, the other side of the outer sheet 1227 is connected to the inner layer 1221, the outer sheet connects the main support and the outward side of the auxiliary support, and is matched with the connection of the main support and the auxiliary support at the support shaft, so that the stability of the position between the main support and the auxiliary support is improved, and when the inner layer is pressed outwards or pressed inwards, the outer sheet also plays a supporting role and an anti-expanding role, the connection strength between the main support and the auxiliary support is improved, the strength of PE pipe is improved, and the stability of the PE pipe is improved.

The clamping groove 1212 is connected with a sealing element 1219 for leakage prevention, the sealing element 1219 is connected to the bottom wall of the clamping groove 1212, liquid flowing in the pipe body is likely to leak through the bottom wall of the clamping groove, the quality of the PE pipe is affected, the sealing element is connected with one end of the PE pipe, the liquid on the inner side of the PE pipe plays a role in leakage prevention, the stability of the PE pipe is improved, and the service life of the PE pipe is prolonged.

The first channel 124 and the second channel 125 are further included, the first channel 124 is formed between the main support 1222 and the main support 1222, the second channel 125 is formed between the sub-support 1225 and the sub-support 1225, at least part of the first channel 124 and the second channel 125 are communicated in a forward direction, and when the inner side of the inner layer pipe is liquid, the first channel and the second channel communicated in the forward direction can reduce the acting force of the inner layer on the fluid; when the inboard of inlayer is the cable, the cable can pass first passageway, second passageway in proper order, and the first passageway, the second passageway of multiunit setting can separate multiunit cable mutually, reduce the influence between the cable, promote the inboard liquid of inlayer or the stability of cable to promote the stability of PE tubular product, promote the intensity of PE tubular product, promote the life-span of PE tubular product.

The crack-resistant structure 12 includes a pressure sensor 123 for detecting a pressure difference between two sides of the crack-resistant structure 12, where the pressure sensor 123 is connected to the outer wall of the inner layer 1221 in a penetrating manner.

The inner layer 1221 includes a drying layer, a first waterproof layer, a second waterproof layer, and a wear-resistant layer, where the first waterproof layer is located in an innermost layer of the inner layer 1221, the drying layer is connected to an outer sidewall of the first waterproof layer, the second waterproof layer is connected to an outer side of the drying layer, and the wear-resistant layer is connected to an outer side of the second waterproof layer, so that the risk of liquid erosion of the inner layer is reduced by setting the first waterproof layer, the second waterproof layer, and the drying layer; by arranging the wear-resistant layer, the risk that the inner layer is worn is reduced.

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 pipe with crack resistance structure, includes the pipe body, is used for connecting the multiunit crack resistance structure of pipe body, its characterized in that, crack resistance structure is including supporting pressure subassembly, base member subassembly, the base member subassembly includes the inlayer, the inboard of inlayer is equipped with the main support of arc, is located the inboard of inlayer puts up the axle, it sets up to put up the axle along the axial extension, multiunit the main support ring is located the rampart of putting up the axle just connect in the inner wall of inlayer, support pressure subassembly including annular connecting piece, ring locate the flexible push rod of putting up the axle, the connecting piece keep away from the lateral wall of inlayer is sunken to be provided with and is used for the joint draw-in groove of pipe body, flexible push rod is located in the joint groove.

2. The PE pipe with crack resistant structure according to claim 1, wherein the pressing component comprises an arcuate piece, the fixed end of the telescopic push rod is connected with the frame shaft, and the arcuate piece is connected with the fixed end of the telescopic push rod and the fixed end of the telescopic push rod.

3. A PE pipe having an anti-cracking structure according to claim 1, wherein said pressing assembly further comprises a pressing piece, a wall of said movable end of said telescopic push rod facing outward being connected to said pressing piece, said wall of said pressing piece facing outward being larger than a wall of said movable end of said telescopic push rod facing outward.

4. The PE pipe having an anti-cracking structure of claim 1, wherein the matrix assembly further comprises a primary reinforcement coupled to the outer wall of the primary support and the outer wall of the primary support.

5. The PE pipe with the anti-cracking structure according to claim 1, wherein a yielding portion is arranged on the side wall of the main support and/or the side wall of the telescopic push rod in a recessed manner, and the yielding portion extends along the axial direction and penetrates through the side portion of the main support and/or the side portion of the telescopic push rod.

6. The PE pipe with an anti-cracking structure according to claim 5, wherein the abdication portion is provided with an arc surface, and the arc surface is disposed on an inner bottom wall of the abdication portion.

7. The PE pipe with crack resistant structure according to claim 1, wherein the base assembly further comprises a sub-bracket at one side of the main bracket, the outer diameter of the sub-bracket is smaller than that of the main bracket, and a plurality of groups of sub-brackets are annularly arranged on the annular wall of the bracket shaft and connected with the inner wall of the inner layer.

8. The PE pipe with an anti-cracking structure according to claim 7, further comprising an outer sheet body, wherein one side of the outer sheet body is sequentially connected to the outer wall of the main support facing outwards and the outer wall of the auxiliary support facing outwards, and the other side of the outer sheet body is connected to the inner layer.

9. A PE pipe with a crack resistant structure according to claim 1, characterized in that the crack resistant structure comprises a pressure sensor for detecting a pressure difference across the crack resistant structure, which pressure sensor is connected through the outer wall of the inner side.

10. A PE pipe with an anti-crack structure according to claim 1, characterized in that the clamping groove is connected with a sealing element for anti-leakage, which sealing element is connected to the bottom wall of the clamping groove.