Corrosion-resistant PVC corrugated pipe structure

Abstract

The utility model belongs to the technical field of corrugated pipes, and particularly relates to a corrosion-resistant PVC corrugated pipe structure which comprises a main pipe. The linear corrugated pipe and the arc-shaped corrugated pipe are sequentially distributed outwards on the outer side of the main pipe, adjacent branch rings in the linear corrugated pipe are located in arc-shaped rings distributed in the arc-shaped corrugated pipe in a segmented mode to form a support, and the branch rings can guide acting force transmitted inwards into axial transmission; the spiral rib is located in an interlayer between the main pipe and the arc-shaped corrugated pipe and used for buffering and decomposing force guided by the branch rings, fixed rings and sliding rings are alternately arranged on the outer side of the main pipe in a segmented mode, and the spiral rib is connected with the side walls of the fixed rings and the sliding rings and can drive the sliding rings to slide so that the arc-shaped rings can be reset. According to the utility model, the external acting force can be guided to the side surface and is prevented from being transmitted inwards vertically, so that the internal structure can be prevented from being directly damaged, the external force transmitted axially can be buffered, and finally, the structure which is misplaced under the driving of the external force can be driven to reset to the initial state and can resist the influence caused by the external force again.

Description

TECHNICAL FIELD

[0001] The utility model belongs to corrugated pipe technical field, especially a kind of corrosion-resistant PVC corrugated pipe structure. BACKGROUND

[0002] PVC corrugated pipe is a kind of pipe material of special shape, its cross section is wavy, this unique design makes it have good elasticity and stretchability, because its unique structure, it can keep the ability of expansion and contraction under bending or twisting, so it is widely used in industry, medical treatment and other fields.

[0003] At present, the existing multilayer corrugated pipe is the way of inner and outer layer fixed connection, and it is easy to be damaged when impacted.

[0004] To solve the above problems, a kind of corrosion-resistant PVC corrugated pipe structure is proposed in the present application. INVENTION CONTENTS

[0005] The utility model aims at providing a kind of corrosion-resistant PVC corrugated pipe structure, solve the problem proposed in the above background.

[0006] To solve the above technical problems, the utility model is realized by the following technical solutions:

[0007] The utility model is a kind of corrosion-resistant PVC corrugated pipe structure, including main pipe;

[0008] Linear corrugated pipe and arc corrugated pipe, linear corrugated pipe and arc corrugated pipe are distributed outward in sequence on the outside of main pipe, the adjacent branch ring in linear corrugated pipe is located in the arc ring inside segment distribution in arc corrugated pipe to form support, the branch ring can guide the force transmitted inward to axial transmission;

[0009] Spiral rib, located in the interlayer of main pipe and arc corrugated pipe, is used to buffer and decompose the force guided by branch ring, the outside of main pipe is alternatively provided with fixed ring and sliding ring, and the spiral rib is connected with the side wall of fixed ring and sliding ring, so that the sliding ring is driven to slide to reset arc ring.

[0010] Further, the two sides of the arc ring are provided with connecting rings instead of inwardly recessed troughs, and the arc ring and the connecting ring alternately form the arc corrugated pipe.

[0011] Further, the adjacent branch rings form a group, and the two sides of each group are provided with support rings, and the support rings and the branch rings of the group alternately form the linear corrugated pipe.

[0012] Further, the inner side of the fixed ring is fixedly connected with the main pipe, and the sliding ring slides along the axis on the outside of the main pipe.

[0013] Further, the outside of the sliding ring is provided with an adapter part connected to the support ring and the connecting ring.

[0014] Further, the spiral rib is in a spiral structure outside the main pipe, and is connected with each fixing ring and the sliding ring to form a segmented buffer area.

[0015] Further, the intersection of the adjacent branch ring abuts against the inner wall at the maximum diameter of the arc-shaped ring, and the intersection of the branch ring and the supporting ring abuts against the inner wall at the minimum diameter of the branch ring, thereby forming three-point support for a single arc-shaped ring.

[0016] The utility model has the following beneficial effects:

[0017] The utility model discloses a main pipe, linear corrugated pipe and arc-shaped corrugated pipe inner middle outer combination structure can be guided to the lateral when the pipe body is impacted by force through the arc-shaped ring, makes it lateral transmission reduces the influence of vertical force, to protect the internal main pipe from being destroyed.

[0018] The utility model discloses a fixing ring and sliding ring alternate distribution can form the buffer when the external force impact, and forms reverse force after the external force offset, makes the structure of adapter (413) restore as before, can prevent the deformation damage and can maintain the external force resistance when using for a long time.

[0019] Of course, any product implementing the utility model does not necessarily need to achieve all the advantages described above. DRAWINGS

[0020] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will be needed to use the drawings of the embodiment to introduce briefly, obviously, the drawings in the following description only some embodiments of the utility model, for those skilled in the art, under the premise of not paying creative labor, can also obtain other drawings according to these drawings.

[0021] Figure 1 It is the overall appearance structure schematic diagram of the utility model;

[0022] Figure 2 It is the internal partial structure schematic diagram of the pipe material of the utility model;

[0023] Figure 3 It is the main pipe outer layer structure schematic diagram of the utility model;

[0024] Figure 4 It is the pipe material cross section local structure schematic diagram of the utility model;

[0025] In the drawings, the component list represented by each sign is as follows:

[0026] In the figure: 1, main pipe; 2, arc-shaped bellows; 21, arc-shaped ring; 22, connecting ring; 3, helical rib; 4, linear bellows; 41, support ring; 411, fixed ring; 412, sliding ring; 413, adapter; 42, branch ring. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0028] In the description of the utility model, it should be understood that the terms "opening", "upper", "lower", "thickness", "top", "middle", "length", "inner", "periphery" and the like indicate the orientation or positional relationship, which are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the components or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0029] Please refer to Figures 1-4 The utility model discloses a kind of corrosion-resistant PVC bellows structures, including main pipe 1;

[0030] The outer layer of main pipe 1 is layered from inside to outside with linear bellows 4 and arc-shaped bellows 2, branch ring 42 is arranged in linear bellows 4, arc-shaped ring 21 is arranged in arc-shaped bellows 2 in section, and adjacent branch ring 42 is arranged in the inside of each arc-shaped ring 21 to form support, and the inclined structure of branch ring 42 can guide the force transmitted inward to axial transmission when arc-shaped ring 21 is subjected to external force, while avoiding direct injury to internal structure, it is convenient to form offset to external force;

[0031] The outer side of main pipe 1 is provided with helical rib 3 of spiral structure, which is arranged in the interlayer of main pipe 1 and arc-shaped bellows 2, and the outer side of main pipe 1 is alternatively provided with fixed ring 411 and sliding ring 412 in section, and helical rib 3 is connected with each fixed ring 411 and sliding ring 412, to form sectional buffering area, for buffering and decomposing axial force guided by branch ring 42, and the side wall of helical rib 3, fixed ring 411 and sliding ring 412 is connected, so that sliding ring 412 is driven to slide to reset recessed arc-shaped ring 21 to initial state.

[0032] Among them, the two sides of arc-shaped ring 21 are provided with connecting ring 22, which can replace the concave valley to reduce the occupied space, and can laterally transmit external force, and arc-shaped ring 21 and connecting ring 22 are alternatively arranged to form arc-shaped bellows 2.

[0033] Wherein, the adjacent branch ring 42 is a group, the junction of each group abuts against the inner wall of the maximum diameter of the arc-shaped ring 21, and the junction of the branch ring 42 and the supporting ring 41 abuts against the inner wall of the minimum diameter of the branch ring 42, so that each group can form three-point support to the single arc-shaped ring 21, and the resistance to external force is enhanced, and the two sides of each group are further provided with the supporting ring 41, so that the linear bellow 4 is alternately formed.

[0034] Wherein, the inner side of the fixed ring 411 is fixedly connected with the main pipe 1, the outer side is fixedly connected with the supporting ring 41, and the sliding ring 412 is fixed to the inner side of the supporting ring 41 between two adjacent fixed rings 411 and slides along the axial direction of the main pipe 1.

[0035] Wherein, the outer side of the sliding ring 412 is provided with a switching part 413 connected with the supporting ring 41 and the connecting ring 22.

[0036] It can be understood that the utility model can guide the external force to the side, prevent it from being transmitted vertically inward, can prevent direct damage to the internal structure, can form a buffer to the axial transmission of external force, and finally can drive the structure dislocated by the external force to be reset to the initial state, and can resist the influence of the external force again.

[0037] The operation process of the embodiment is a specific application, that is, first, the inner, middle and outer combined pipe structure is produced by cooperating the multiple extrusion heads, the inner part is the main pipe 1, the middle layer is the linear bellow 4, and the outer layer is the arc-shaped bellow 2, so that the resistance to external force is enhanced by the inclined structure of the branch ring 42 when in use, the external force is guided to the circumference, the force guided to the axial direction is compressed to the spiral rib 3 on the two sides of the sliding ring 412, the buffer effect is formed, the arc-shaped ring 21 is reset after the external force is offset, the inner retracted part is restored to the original state, the stability of the structure during subsequent use is ensured, and the impact of the external force can be resisted again.

[0038] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in combination with the embodiment or example are contained in at least one embodiment or example of the utility model. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0039] The preferred embodiments disclosed above are only used to help describe the utility model. The preferred embodiments do not describe all the details and do not limit the utility model to the specific embodiments. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that the persons skilled in the art can well understand and utilize the utility model. The utility model is limited by the claims and the entire scope and equivalents thereof.

Claims

1. A corrosion-resistant PVC corrugated pipe structure comprising a main pipe (1), characterized in that: linear corrugated pipes (4) and arc corrugated pipes (2) are arranged in sequence outside the main pipe (1), the inner adjacent branch rings (42) of the linear corrugated pipes (4) are arranged inside the arc rings (21) of the arc corrugated pipes (2) to form supports, and the branch rings (42) can guide the inwardly transmitted force to be transmitted in an axial direction; spiral ribs (3) are arranged in the interlayer of the main pipe (1) and the arc corrugated pipes (2) to buffer and decompose the force guided by the branch rings (42), the outer side of the main pipe (1) is alternately provided with fixed rings (411) and sliding rings (412), the spiral ribs (3) are connected with the side walls of the fixed rings (411) and the sliding rings (412), and the spiral ribs (3) can drive the sliding rings (412) to slide to reset the arc rings (21). The arc corrugated pipes (2) are alternately composed of the arc rings (21) and the connecting rings (22) arranged on both sides of the arc rings (21) to replace the inwardly recessed valleys.

2. A corrosion resistant PVC corrugated pipe structure according to claim 1, characterized in that: The adjacent branch rings (42) form a group, and the group is provided with support rings (41) arranged on both sides of the group, and the support rings (41) and the group of branch rings (42) alternately form the linear corrugated pipes (4).

3. A corrosion resistant PVC corrugated pipe structure according to claim 1, characterized in that: The inner side of the fixed ring (411) is fixedly connected with the main pipe (1), and the sliding ring (412) slides in an axial direction on the outer side of the main pipe (1).

4. A corrosion resistant PVC corrugated pipe structure according to claim 1, characterized in that: The outer side of the sliding ring (412) is provided with a switching part (413) connected with the support ring (41) and the connecting ring (22).

5. A corrosion resistant PVC corrugated pipe structure according to claim 1, characterized in that: The spiral ribs (3) are in a spiral structure on the outer side of the main pipe (1) and are connected with each fixed ring (411) and sliding ring (412) to form a segmented buffer area.

6. A corrosion resistant PVC corrugated pipe structure according to claim 1, characterized in that: The intersection of the adjacent branch rings (42) abuts against the inner wall at the maximum diameter of the arc ring (21), and the intersection of the branch ring (42) and the support ring (41) abuts against the inner wall at the minimum diameter of the branch ring (42), so that three-point support is formed for a single arc ring (21).

7. A corrosion resistant PVC corrugated pipe structure according to claim 1, characterized in that: ​

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