Multi-layer composite Krah pipe

By designing a multi-layer composite structure in the carat tube, including the inner layer, reinforced rib tube, composite layer and foam filling layer, the problem of the carat tube being easily deformed and distorted under the action of external forces is solved, and the strength, ring stiffness and service life of the pipe are significantly improved.

CN222760546UActive Publication Date: 2025-04-15HANGZHOU BAND MUNICIPAL PLASTIC PIPE CO LTD
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Patent Information

Application Number
CN202421709963.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-19
Publication Date
2025-04-15
Estimated Expiration
2034-07-19

AI Technical Summary

Technical Problem

Existing clutch tubes are easily deformed and distorted when subjected to external forces, resulting in deformation, damage, and even degumming of the reinforcement rib tube, causing the pipeline ring stiffness to decrease.

Method used

A multi-layer composite carat tube is designed, including an inner layer, a wound reinforcement rib tube, a composite layer covered on the outside of the reinforcement rib tube, and a hollow outer ring and a foam filling layer are provided in the reinforcement rib tube.

Benefits of technology

By adding the composite layer, the overall strength and ring stiffness of the pipe are enhanced, and the reinforced rib tube is avoided from twisting and deformation due to external forces, extending service life, and improving impact and compressive resistance.

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Abstract

The utility model discloses a multi-layer composite Krah pipe which comprises an inner layer and a reinforcing rib pipe wound on the inner layer. The reinforced rib pipe is characterized by further comprising a composite layer covering the outer side of the reinforced rib pipe, and the composite layer covers the outer layer of the reinforced rib pipe to form a flat outer layer; and each reinforced rib tube comprises a hollow outer ring and a foam filling layer filled in the outer ring. A layer of composite pipe is additionally arranged on the outer side of the reinforcing rib pipe, so that the overall strength, the ring stiffness and the installation firmness of the reinforcing rib pipe of the pipeline are enhanced, the reinforcing rib pipe is prevented from being distorted and even degummed due to external force in the using process, and the overall service life of the pipeline is prolonged.
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Description

Technical Field

[0001] The utility model relates to a carat tube, in particular to a multi-layer composite carat tube. Background Art

[0002] The existing carat tube has a plain tube inside and a reinforced rib tube spirally wound around the outside of the plain tube. However, in daily use, when subjected to external force, the entire tube body is easily deformed and twisted. Once deformed and twisted, the reinforced inner tube wrapped around the outside of the inner tube will be deformed, damaged, or even debonded, resulting in a serious decrease in the ring stiffness of the pipeline. Therefore, a multi-layer composite carat tube is proposed. Utility Model Content

[0003] The utility model aims to solve the above problems and proposes a multi-layer composite carat tube.

[0004] In order to achieve the above-mentioned purpose, the utility model provides the following technical solution: a multilayer composite carat tube, comprising an inner layer and a reinforced rib tube wrapped on the inner layer; the characteristic is that it also includes a composite layer coated on the outer side of the reinforced rib tube, the composite layer is coated on the outer layer of the reinforced rib tube to form a flat outer layer; the reinforced rib tube comprises a hollow outer ring and a foam filling layer filled in the outer ring.

[0005] Further preferably, it also includes a limiting layer which is arranged on the outside of the inner layer and on both sides of the reinforcing fin tube to limit the position of the reinforcing fin tube on the outside of the inner layer and improve the installation firmness of the reinforcing fin tube.

[0006] Further preferably, it also includes a reinforcing layer arranged on the inner side of the composite layer and on both sides of the reinforcing fin tube to limit the position of the composite layer on the outer side of the reinforcing fin tube and improve the installation firmness of the composite layer.

[0007] Further preferably, it also includes a corrosion-resistant paint applied on the inner wall of the inner layer and the outer wall of the composite layer, and a corrosion-resistant coating is formed by applying the corrosion-resistant paint.

[0008] The beneficial effects of the utility model are as follows: by adding a layer of composite pipe on the outside of the reinforced rib pipe, the overall strength and ring stiffness of the pipe are enhanced, and the firmness of the installation of the reinforced rib pipe is enhanced, so that the reinforced rib pipe is prevented from being twisted and deformed or even debonded due to external forces during use, thereby improving the overall service life of the pipe;

[0009] The reinforced fin tube is arranged as a hollow outer ring, and a foam filling layer is filled in the outer ring, so as to increase the impact resistance and compression resistance of the reinforced fin tube and improve the service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Attached Figure 1 It is a structural schematic diagram of the utility model;

[0011] Attached Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model;

[0012] Attached Figure 3 This utility model is attached Figure 2 Schematic diagram of the local enlarged structure.

[0013] Legend: 1. Inner layer; 2. Reinforced rib tube; 21. Outer ring; 22. Foam filling layer; 3. Composite layer; 4. Limiting layer; 5. Reinforcement layer; 6. Corrosion-resistant coating. DETAILED DESCRIPTION

[0014] Below we further explain the multi-layer composite carat tube described in the utility model in conjunction with the accompanying drawings.

[0015] It should be noted that all directional indications such as up, down, left, right, front, back... in the embodiments of the utility model are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture as shown in the accompanying drawings. If the specific posture changes, the directional indication will also change accordingly.

[0016] In the present invention, unless otherwise clearly defined and limited, the terms "connection", "fixation", etc. should be understood in a broad sense; for example, "fixation" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0017] See also Figure 1-3 As shown in the figure, the multi-layer composite carat tube comprises an inner layer 1 and a reinforcing rib tube 2 wound on the inner layer 1; it is characterized in that it also comprises a composite layer 3 coated on the outer side of the reinforcing rib tube 2, the composite layer 3 is coated on the outer layer of the reinforcing rib tube 2 to form a flat outer layer; the reinforcing rib tube 2 comprises a hollow outer ring 21 and a foam filling layer 22 filled in the outer ring 21;

[0018] By adding a layer of composite pipe on the outside of the reinforced fin pipe 2, the overall strength of the pipe is enhanced and the firmness of the installation of the reinforced fin pipe 2 is enhanced, so as to avoid the reinforced fin pipe 2 from being twisted and deformed or even debonded due to external force during use, thereby improving the overall service life of the pipe;

[0019] The reinforcing fin tube 2 is provided as a hollow outer ring 21 and a foam filling layer 22 is filled in the outer ring 21 to increase the impact resistance and compression resistance of the reinforcing fin tube 2 and improve the service life.

[0020] In one embodiment, it also includes a limiting layer 4 which is arranged on the outside of the inner layer 1 and on both sides of the reinforcing fin tube 2 to limit the position of the reinforcing fin tube 2 on the outside of the inner layer 1 and improve the installation firmness of the reinforcing fin tube 2. Through the setting of the limiting layer 4, the optimal position of the reinforcing fin tube 2 on the inner layer 1 is limited, so as to avoid the reinforcing fin tube 2 moving on the inner layer 1 and debonding due to force, bending and other reasons during use, and is used to improve the firmness and stability of the reinforcing fin tube 2 wrapped around the inner layer 1.

[0021] In one embodiment, it further includes a reinforcing layer 5 disposed on the inner side of the composite layer 3 and on both sides of the reinforcing fin tube 2 to limit the position of the composite layer 3 on the outer side of the reinforcing fin tube 2 and improve the installation firmness of the composite layer 3;

[0022] By setting the reinforcing layer 5, the reinforcing layer 5 is set between the reinforced fin tubes 2, so as to limit the position where the composite layer 3 is installed on the reinforced fin tubes 2, enhance the connection firmness between the composite layer 3 and the reinforced fin tubes 2, thereby avoiding the phenomenon of easy separation between the composite layer 3 and the reinforced fin tubes 2, thereby enhancing the service life of the entire pipeline.

[0023] In one embodiment, it also includes a corrosion-resistant coating applied on the inner wall of the inner layer 1 and the outer wall of the composite layer 3, and a corrosion-resistant coating 6 is formed by applying the corrosion-resistant coating;

[0024] The corrosion-resistant coating 6 is formed by applying a corrosion-resistant coating on the inner wall of the inner layer 1 and the outer wall of the composite layer 3, thereby enhancing the corrosion resistance of the entire pipeline and increasing its service life.

[0025] The protection scope of the present utility model is not limited to the above embodiments and their variations. Conventional modifications and replacements made by those skilled in the art based on the contents of this embodiment all fall within the protection scope of the present utility model.

Claims

1. A multi-layer composite carat tube, comprising an inner layer (1) and a reinforcing rib tube (2) wound around the inner layer (1); wherein the plurality of layers are characterized by: It also includes a composite layer (3) coated on the outside of the reinforced fin tube (2), the composite layer (3) coated on the outer layer of the reinforced fin tube (2) forming a flat outer layer; the reinforced fin tube (2) includes a hollow outer ring (21) and a foam filling layer (22) filled in the outer ring (21).

2. The multi-layer composite carat tube according to claim 1, characterized in that: It also includes a limiting layer (4) which is arranged on the outside of the inner layer (1) and on both sides of the reinforcing fin tube (2) and is used to limit the position of the reinforcing fin tube (2) on the outside of the inner layer (1) and improve the installation firmness of the reinforcing fin tube (2).

3. The multi-layer composite carat tube according to claim 2, characterized in that: It also includes a reinforcing layer (5) which is arranged on the inner side of the composite layer (3) and on both sides of the reinforcing fin tube (2) and is used to limit the position of the composite layer (3) on the outer side of the reinforcing fin tube (2) and improve the installation firmness of the composite layer (3).

4. The multi-layer composite carat tube according to claim 1, characterized in that: It also includes a corrosion-resistant coating applied on the inner wall of the inner layer (1) and the outer wall of the composite layer (3), and a corrosion-resistant coating (6) is formed by applying the corrosion-resistant coating.