CN216768620U - Winding arrangement wall pipe - Google Patents

Abstract

The utility model relates to the technical field of pipes, and discloses a winding structure wall pipe which comprises a pipe body, a rib pipe and a protective layer, wherein the rib pipe is spirally wound at equal intervals along the outer wall of the pipe body to form a corrugated pipe structure, the protective layer covers the outer wall of the rib pipe, at least two support ribs are arranged in the rib pipe, the support ribs are perpendicular to the axial direction of the pipe body, the support ribs are symmetrically arranged, the symmetrical surfaces of the support ribs pass through the axial line of the rib pipe and are perpendicular to the axial direction of the pipe body, after the material of the protective layer is extruded and coated on the rib pipe, and when the material of the protective layer is cooled, the support ribs can resist the pressure caused by the cooling of the material of the protective layer, so that the rib pipe is prevented from collapsing and deforming. The two ends of the pipe body are respectively connected with a socket pipe fitting and a socket pipe fitting so as to facilitate the connection of the multi-section winding structure wall pipe, wherein the outer wall of the socket pipe fitting is provided with a mounting groove, and a sealing ring is arranged in the mounting groove, so that the sealing performance of the two sections of winding structure wall pipes after connection is improved; the outer wall of the socket pipe fitting is provided with a socket groove which can provide a force application point for sleeving or pulling out.

Description

Winding arrangement wall pipe

Technical Field

The utility model relates to the technical field of pipes, in particular to a winding structure wall pipe.

Background

The winding structure wall pipe is a general name of a thermoplastic circular pipe without internal pressure, which is mainly made of polyethylene resin and manufactured by a winding forming process. The winding structure wall pipe is suitable for conveying media with water temperature below 45 ℃, so the winding structure wall pipe is commonly used for municipal drainage, road drainage, outdoor drainage of buildings, playground square engineering drainage, buried farmland drainage, industrial pollution discharge, sewage treatment plants, electric telecommunication engineering and the like. The winding structure wall pipe is a novel acid-resistant, corrosion-resistant, pressure-resistant and nontoxic green environment-friendly pipe, belongs to an environment-friendly and energy-saving high and new technology product, and has important significance for saving energy, reducing pollution and protecting environment.

The winding structure wall pipe generally has three structural types, the first type is an A-type structure wall pipe, the A-type structure wall pipe has smooth inner and outer surfaces, and the pipe is connected between the inner wall and the outer wall by an internal spiral rib or the pipe has smooth inner surface and smooth outer surface, and a spiral hollow pipe is embedded in the pipe wall; the second type is a B-type structure wall pipe, the inner surface of the B-type structure wall pipe is smooth, and the outer surface of the B-type structure wall pipe is a hollow spiral rib pipe; the third is C-shaped structure wall pipe, which is formed by continuously winding a plurality of cold rolling shafts and is processed into a pipe with the inner surface slightly provided with wave crests and wave troughs and the outer surface provided with spiral O-shaped ribs. The O-shaped rib should have a hollow tube made of polyolefin material (usually polypropylene) as auxiliary support, and the connection between the tube and the socket should be formed by secondary processing.

The high rigidity of the winding structure wall pipe mainly comes from a rib pipe structure which is spirally wound on the outer surface of the pipe. For the manufacture of the winding structure wall pipe, the current domestic production mode mainly adopts a thermal state fixed-length winding process to manufacture the pipe. In the manufacturing process, an inner pipe is firstly produced, then a ribbed pipe is spirally wound on the outer surface of the inner pipe, and the outer wall of the ribbed pipe is covered with an outer layer. The outer layer outside the coated rib pipe has higher temperature from extrusion to coating, the rib pipe is of a hollow structure, and the outer layer can be cooled and shrunk after being coated, so that the rib pipe is collapsed and deformed, the appearance and the quality of a product are reduced, and the performance of the product is influenced.

The prior art discloses a novel electric melting connection structure of a polyethylene winding structure wall pipe, which comprises a first pipe and a second pipe which are connected with each other, wherein the first pipe and the second pipe are both composed of an inner wall layer and an outer wall layer, the inner wall layer is a continuous solid wall pipe which is formed by spirally winding a flaky polyethylene material belt and sequentially overlapping and fusing edges of adjacent material belts, the outer wall layer is formed by winding the polyethylene material belt on the outer surface of the inner wall layer after covering a framework pipe, the end parts of the pipes are respectively provided with a socket and a spigot, the first pipe and the second pipe are connected through the socket and the spigot in a plug-in manner, a heating element is embedded in the connection surface of the socket of the first pipe and the second pipe, and one or a plurality of sealing rings are embedded in the outer walls of the spigot of the second pipe and the second pipe; the connecting surface of the socket is the inner wall surface of the socket; the socket is provided with a connecting platform which is butted with the end surface of the bellmouth, and the end surface of the bellmouth is fixedly provided with a heating element; heating elements are arranged on the end face of the socket and the outer wall of the socket; the heating element is an electric fuse, and two ends of the electric fuse are left outside the sockets of the first pipe and the second pipe. The framework pipe of this patent is polypropylene single-walled bellows, and single-walled bellows is hollow structure, when covering the skin, because the skin material has higher temperature, leads to single-walled bellows can collapse the deformation, influences the outward appearance, quality and the performance of product.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a winding structure wall pipe capable of preventing deformation.

In order to achieve the purpose, the utility model provides a winding structure wall pipe, which comprises a pipe body, a rib pipe and a protective layer, wherein the rib pipe is spirally wound along the outer wall of the pipe body at equal intervals to form a corrugated pipe structure, the protective layer covers the outer wall of the rib pipe, at least two support ribs are arranged in the rib pipe, the support ribs are perpendicular to the axial direction of the pipe body, the support ribs are symmetrically arranged, and the symmetrical surface of each support rib passes through the axial line of the rib pipe and is perpendicular to the axial direction of the pipe body. The supporting ribs play a supporting role and can prevent the rib pipes from deforming.

Preferably, the tube body and the protective layer are made of the same material. The integrity of the winding structure wall pipe is better.

Preferably, the pipe body is a PE pipe, the protective layer is a PE layer, and the ribbed pipe is a PP pipe.

Preferably, the pipe fitting comprises a socket pipe fitting and a socket pipe fitting, and the socket pipe fitting are connected to two ends of the pipe body respectively. Through the socket pipe fitting with the bellmouth pipe fitting, can make things convenient for the connection of two sections winding arrangement wall pipes.

Preferably, one end of the socket pipe fitting, which is close to the pipe body, is provided with a circle of protrusions to form a positioning step. The positioning step plays a positioning role and can limit the length of the socket pipe fitting extending into the other winding structure wall pipe.

Preferably, the cross section of the protrusion is a right triangle, and the right-angle side of the protrusion is closer to the end of the socket pipe fitting far away from the pipe body relative to the inclined side of the protrusion.

As the preferred scheme, the one end that the socket pipe fitting kept away from the body is equipped with a plurality of mounting grooves along its axial interval distribution, be equipped with the sealing washer in the mounting groove. The sealing ring can improve the sealing property of the two sections of winding structure wall pipes after connection.

Preferably, the sealing ring is provided with a plurality of convex rings distributed along the axial direction of the sealing ring, and the cross section of each convex ring is triangular and inclines towards the direction close to the pipe body. The resistance of the socket pipe fitting extending into the other winding structure wall pipe can be reduced, and the connection of the two winding structure wall pipes is facilitated.

As a preferable scheme, a circle of bearing grooves are formed in the outer wall of one end, away from the pipe body, of the socket pipe fitting. Can provide a force application point, and is convenient for the bellmouth pipe fitting to be sleeved into or pulled out of another winding structure wall pipe.

Preferably, the socket pipe fitting and the pipe body are in circular arc transition. The stress concentration condition can be reduced, and the joint has high structural strength, reliable performance and long service life.

Compared with the prior art, the utility model has the beneficial effects that:

the support ribs are arranged in the rib pipes wound on the pipe body to play a role in supporting, and after the material of the protective layer is extruded and coated on the rib pipes, the support ribs can resist the pressure caused by cooling the material of the protective layer when the material of the protective layer is cooled, so that the rib pipes are prevented from collapsing and deforming. In addition, the support ribs are vertical to the axial direction of the tube body, the problem that the rib tube collapses from the top of the rib tube when the rib tube collapses or deforms can be solved, and the symmetrically arranged support ribs can provide uniform support force, so that the rib tube keeps a good shape and is prevented from deforming.

Drawings

Fig. 1 is a schematic structural view of a wound structured wall pipe according to an embodiment of the present invention.

Fig. 2 is an enlarged view of fig. 1A.

Fig. 3 is a schematic structural view of a female fitting of an embodiment of the present invention.

Fig. 4 is a schematic structural view of a socket pipe according to an embodiment of the present invention.

In the figure, 100-tube; 200-ribbed pipes; 300-a protective layer; 400-support ribs; 500-socket pipe; 510-a bump; 520-mounting grooves; 600-a socket pipe; 610-a bearing groove; 700-sealing ring.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the utility model, but are not intended to limit the scope of the utility model.

In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

Example one

As shown in fig. 1 and 2, a winding structured wall pipe according to a preferred embodiment of the present invention includes a pipe body 100, a rib pipe 200 and a protective layer 300, wherein the rib pipe 200 is spirally wound along an outer wall of the pipe body 100 at equal intervals to form a bellows structure, the protective layer 300 covers the outer wall of the rib pipe 200, at least two support ribs 400 are provided in the rib pipe 200, the support ribs 400 are perpendicular to an axial direction of the pipe body 100, and the support ribs 400 are symmetrically arranged, and a symmetry plane of each support rib 400 passes through an axis of the rib pipe 200 and is perpendicular to the axial direction of the pipe body 100. In the present embodiment, the support rib 400 is disposed in the rib tube 200 wound around the tube body 100 to support the rib tube 200, and after the material of the protection layer 300 is extruded and coated on the rib tube 200, when the material of the protection layer 300 is cooled, the support rib 400 can resist the pressure caused by the cooling of the material of the protection layer 300, so as to prevent the rib tube 200 from collapsing and deforming, and improve the rigidity of the structure of the rib tube 200. Moreover, the support rib 400 of the present embodiment is perpendicular to the axial direction of the tube body 100, so as to solve the problem that the rib tube 200 collapses or deforms when contracting from the top of the rib tube 200, and the symmetrically arranged support ribs 400 can provide uniform support force, so that the rib tube 200 maintains a good shape and prevents deformation. The ribbed tube 200 of this embodiment has two support ribs 400 therein to form a dual stud-in-chamber structure. The structure of the embodiment is suitable for winding structure wall pipes of B type and C type.

In the manufacturing process, when the ribbed tube 200 is extruded, the ribbed tube 200 with the support rib 400 inside is formed by adjusting the shape of an extrusion die and vacuumizing.

Alternatively, the same material for the pipe body 100 and the protective layer 300 may make the pipe body 100 and the protective layer 300 more tightly combined. In this embodiment, the tube 100 is a PE (polyethylene) tube, the protection layer 300 is a PE (polyethylene) layer, and the rib tube 200 is a PP (polypropylene) tube. Although the melting point of the PP material is higher than that of the PE material, in the structure of the ribbed tube 200 and the protective layer 300, the thickness of the outer protective layer 300 is greater than that of the ribbed tube 200, and when the protective layer 300 is cooled, the shrinkage is greater than that of the ribbed tube 200, which easily causes the ribbed tube 200 to collapse and deform, and the cross section of the ribbed tube becomes an oval structure, so that there are problems that the influence on the ring stiffness of the tube is large and the appearance of the tube is poor, and therefore, the supporting rib 400 is added to the ribbed tube 200 in this embodiment, which can solve the above problems.

Example two

The difference between the present embodiment and the first embodiment is that, on the basis of the first embodiment, the winding structure wall pipe of the present embodiment further includes a socket pipe 500 and a socket pipe 600, and the socket pipe 500 and the socket pipe 600 are respectively connected to two ends of the pipe body 100. Winding arrangement wall pipe is often used for transport engineering, the distance of laying is long, therefore, just need to couple together a plurality of pipeline sections, so, connect socket pipe fitting 500 and bellmouth pipe fitting 600 respectively at the both ends of body 100, make this socket pipe fitting 500 of body 100 can insert in the bellmouth pipe fitting 600 of another body 100 and connect, this bellmouth pipe fitting 600 of body 100 also can hold the socket pipe fitting 500 of other body 100 and insert in order to realize connecting, can make things convenient for the end to end connection in proper order of multistage winding arrangement wall pipe, and make and connect closely between two adjacent winding arrangement wall pipes.

Other structures of this embodiment are the same as those of the first embodiment, and are not described herein again.

EXAMPLE III

The difference between this embodiment and the second embodiment is that, on the basis of the second embodiment, the socket pipe 500 is further described in this embodiment.

As shown in fig. 3, in this embodiment, the end of the socket tube 500 near the tube 100 is provided with a ring of protrusions 510 to form a positioning step. The socket pipe 500 is used for being inserted into the socket pipe 600 of another pipe 100, when the socket pipe is inserted, the end face of the socket pipe 600 of another pipe 100 is abutted to the protrusion 510, so that the positioning effect is achieved, the depth of the socket pipe 500 extending into the socket pipe 600 of another pipe 100 can be controlled, and the socket pipe 500 is prevented from entering too deep to damage another pipe 100.

Further, the cross section of the protrusion 510 of this embodiment is a right triangle, and the right-angled side of the protrusion 510 is closer to the end of the socket pipe 500 far from the pipe body 100 than the hypotenuse, so that the protrusion 510 has better pressure-bearing capability, and can be combined with the manufacture of the pipe body 100 and the socket pipe 500. When the socket structures are arranged at the two ends of the pipe body 100, the pipe body 100 is firstly manufactured, and then the socket pipe 500 and the socket pipe 600 are manufactured at the two ends of the pipe body 100, so that when the protrusion 510 is arranged, the thickness of the joint of the socket pipe 500 and the pipe body 100 is larger, the strength of the joint can be improved, and meanwhile, the positioning effect can also be achieved.

In addition, the end of the socket pipe 500 far away from the pipe body 100 of the present embodiment is provided with a plurality of mounting grooves 520 spaced along the axial direction thereof, and the inside of the mounting groove 520 is provided with a sealing ring 700. When the socket pipe 500 is inserted into the socket pipe 600 of the other pipe 100, the packing 700 is located between the socket pipe 500 and the socket pipe 600 of the other pipe 100, and the packing 700 is deformed to perform a sealing function and prevent leakage. The socket pipe fitting 500 of this embodiment sets up a plurality of sealing rings 700, can play the sealed effect of multichannel, improves sealed effect, simultaneously, has the interval between two adjacent sealing rings 700, can avoid the problem in the inconvenient bellmouth pipe fitting 600 of inserting that the frictional force that produces when sealing ring 700 length is great is too big and lead to.

In addition, the sealing ring 700 of the present embodiment has a plurality of protruding rings distributed along the axial direction, and the cross section of the protruding rings is triangular and inclined toward the direction close to the pipe body 100. The inclination direction of the male ring is made to be identical to the direction in which the socket pipe 500 is inserted into the socket pipe 600 of the other pipe body 100, so that the socket coupling is facilitated and more deformation of the packing 700 is also caused to improve the sealing effect.

Other structures of this embodiment are the same as those of the embodiment, and are not described herein again.

Example four

The difference between the present embodiment and the third embodiment is that, on the basis of the third embodiment, the present embodiment further describes the socket pipe 600.

As shown in fig. 4, in the embodiment, a circle of socket 610 is disposed on an outer wall of one end of the socket pipe 600 away from the pipe body 100, so as to improve an acting point for the socket pipe 500 of another pipe body 100 to be sleeved in the socket pipe 600 or pulled out, and facilitate connection of multiple sections of winding structure wall pipes. When the socket pipe 600 is sleeved into the socket pipe 500 of another pipe 100, the device for providing pulling force or pushing force is pressed against the groove wall of the socket 610 at one side far away from the pipe 100, so that the socket pipe 600 and the pipe 100 connected with the socket pipe 600 can be close to the socket pipe 500 of another pipe 100 to realize the sleeving; when pulling out, fixed with another winding arrangement wall pipe, the device that will provide pulling force or thrust supports on the basin 610 is close to one side cell wall of body 100, can keep away from another winding arrangement wall pipe with socket pipe fitting 600 and body 100 rather than being connected and realize deviating from convenient to use.

In addition, the bell mouth pipe 600 of this embodiment passes through the circular arc transition with body 100, can reduce the condition of stress concentration, makes its junction structural strength high, the dependable performance, long service life.

Other structures of this embodiment are the same as those of this embodiment, and are not described herein again.

To sum up, the embodiment of the present invention provides a winding structure wall pipe, which has a supporting function by disposing the support rib 400 in the rib pipe 200 wound around the pipe body 100, and after the material of the protection layer 300 is extruded and coated on the rib pipe 200, when the material of the protection layer 300 is cooled, the support rib 400 can resist the pressure caused by the cooling of the material of the protection layer 300, so as to prevent the rib pipe 200 from collapsing and deforming. Moreover, the support rib 400 of the present embodiment is perpendicular to the axial direction of the tube body 100, so as to solve the problem that the rib tube 200 collapses or deforms when contracting from the top of the rib tube 200, and the symmetrically arranged support ribs 400 can provide uniform support force, so that the rib tube 200 maintains a good shape and prevents deformation. In addition, the two ends of the pipe body 100 of the embodiment are respectively connected with the socket pipe 500 and the socket pipe 600 to facilitate the connection of the multi-section winding structure wall pipe, wherein the outer wall of the socket pipe 500 is provided with a mounting groove 520, and a sealing ring 700 is arranged in the mounting groove 520, which is beneficial to improving the sealing performance after the connection of the two sections of winding structure wall pipes; the outer wall of the socket pipe 600 is provided with a socket 610, which can provide a force point for socket connection or extraction.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.

Claims (10)

1. The utility model provides a winding arrangement wall pipe, characterized in that, includes body (100), rib pipe (200) and protective layer (300), rib pipe (200) are followed the outer wall equidistance spiral winding of body (100) forms the bellows structure, protective layer (300) cover the outer wall of rib pipe (200), be equipped with two at least brace rods (400) in rib pipe (200), brace rod (400) with the axial of body (100) is perpendicular, and each brace rod (400) symmetry sets up, each the plane of symmetry of brace rod (400) is passed the axis of rib pipe (200) and with the axial of body (100) is perpendicular.

2. The wound structural wall pipe according to claim 1, wherein the material of the pipe body (100) and the protective layer (300) is the same.

3. The wound structural wall pipe according to claim 2, wherein the pipe body (100) is a PE pipe, the protective layer (300) is a PE layer, and the ribbed pipe (200) is a PP pipe.

4. The wound structural wall tube of claim 1, further comprising a socket tube (500) and a socket tube (600), the socket tube (500) and the socket tube (600) being connected to both ends of the tube body (100), respectively.

5. The wound structural wall pipe of claim 4, wherein the spigot pipe (500) is provided with a ring of protrusions (510) at an end adjacent to the pipe body (100) to form a positioning step.

6. The wound structural wall pipe according to claim 5, wherein the cross-section of the protrusion (510) is a right triangle, and the cathetus of the protrusion (510) is closer to the end of the outlet pipe (500) remote from the pipe body (100) than to its hypotenuse.

7. The wound structural wall pipe according to claim 4, wherein the end of the socket pipe (500) away from the pipe body (100) is provided with a plurality of mounting grooves (520) spaced along an axial direction thereof, and the mounting grooves (520) are provided with sealing rings (700).

8. The wound structural wall pipe according to claim 7, wherein the sealing ring (700) is provided with a plurality of convex rings distributed along an axial direction thereof, and the convex rings have a triangular cross section and are inclined toward a direction close to the pipe body (100).

9. The winding arrangement wall pipe according to claim 4, characterized in that the outer wall of the socket pipe (600) at the end far away from the pipe body (100) is provided with a ring of socket grooves (610).

10. The wound structural wall tube of claim 4, wherein the socket tube (600) transitions through an arc with the tube body (100).

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