A high-flexibility double-walled corrugated pipe

By setting up an outer wall component and an inner wall cylinder structure, combined with bolt and mating gasket design, the problem of inconvenient assembly and docking of existing corrugated pipes under high ring flexibility is solved, realizing efficient assembly and disassembly, and improving operational efficiency and practicality.

CN224592866UActive Publication Date: 2026-08-04KUQA ZHONGNENG PIPE CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
KUQA ZHONGNENG PIPE CO LTD
Filing Date
2025-08-11
Publication Date
2026-08-04

AI Technical Summary

Technical Problem

While existing corrugated pipes offer high ring flexibility, they are not convenient for auxiliary assembly and docking, which affects operational efficiency.

Method used

By setting up an outer wall component, inner wall cylinder, convex strip, outer mounting plate, mating gasket, and bolt structure, the small corrugated sleeve and the combined sleeve are matched, which facilitates the formation of a double-wall corrugated pipe, enhances the ring flexibility, and facilitates quick assembly and disassembly through bolt insertion and mating gasket design.

Benefits of technology

It improves the ease of operation and practicality of high-ring flexibility double-wall corrugated pipes, enhances the convenience of assembly and connection, facilitates partial disassembly and replacement, and avoids waste.

✦ Generated by Eureka AI based on patent content.

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Abstract

This utility model relates to the field of corrugated pipe technology, specifically a high-ring-flexibility double-wall corrugated pipe, including an outer wall assembly and an inner wall cylinder. The inner wall cylinder has an integrally formed rib, parallel to the inlet and outlet directions. An outer mounting plate is fitted to the outer end of the rib, and a mating gasket is provided on the outer wall of the outer mounting plate. The outer wall assembly includes a small corrugated sleeve, with combination sleeves on both sides. This utility model, by providing the small corrugated sleeve and combination sleeves, facilitates the formation of a double-wall corrugated pipe with the cooperation of the inner wall cylinder. The small corrugated sleeve enhances high ring-flexibility while facilitating assembly with the combination sleeves. The rib, outer mounting plate, and mating gasket are easily assembled according to usage requirements during assembly and insertion with bolts, facilitating the rapid formation of the corresponding double-wall corrugated pipe. Furthermore, it allows for partial disassembly and replacement as needed in case of damage, avoiding waste.
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Description

Technical Field

[0001] This utility model relates to the field of corrugated pipe technology, specifically a double-walled corrugated pipe with high ring flexibility. Background Technology

[0002] Double-wall corrugated pipes, as a type of pipe with an annular outer wall and a smooth inner wall, have undergone continuous development and improvement, and have established a complete product system with mature production processes and application technologies. With their significant advantages such as light weight, high pressure resistance, good toughness, convenient construction, and long service life, they have been widely used in many fields, such as buried drainage, sewage systems, and building water supply and drainage. High-ring-flexibility corrugated pipes refer to corrugated pipes that have stronger flexibility in the circumferential direction, making them more able to withstand radial deformation, bending, or adapt to pipe displacement. In response, Chinese patent application number CN202222868578.1 discloses a corrugated pipe, belonging to the field of pipe technology. It includes a pipe body, with a connecting member at one end. The connecting member includes a base plate disposed on the outer peripheral wall of the pipe body, a connecting pipe disposed on the base plate, and several locking blocks inclined at the top of the connecting pipe away from the central axis. A driving sleeve for driving the locking blocks towards the central axis is movably connected to the connecting pipe, and a connecting structure for connecting the driving sleeve and the locking blocks is provided between them. However, existing corrugated pipes are inconvenient to perform auxiliary assembly and docking while maintaining high ring flexibility, which affects the efficiency of use and operation. Therefore, in order to solve the above problems, a double-wall corrugated pipe with high ring flexibility is proposed. Summary of the Invention

[0003] The purpose of this invention is to provide a double-walled corrugated pipe with high ring flexibility, so as to solve the problem mentioned in the background art that the existing corrugated pipe is inconvenient to perform auxiliary assembly and docking while taking into account high ring flexibility, which affects the efficiency of use and operation.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a double-walled corrugated pipe with high ring flexibility, comprising an outer wall assembly and an inner wall cylinder. The inner wall cylinder has an integrally formed rib, which is parallel to the inlet and outlet directions of the inner wall cylinder. An outer mounting plate is fitted to the outer end of the rib, and a mating gasket is provided on the outer wall of the outer mounting plate. The outer wall assembly includes a small corrugated sleeve, and a combination sleeve is provided on both sides of the small corrugated sleeve.

[0005] As a further step of this solution, the inner wall of the outer plate is provided with an inner groove corresponding to the inner wall cylinder, and an inner washer corresponding to the outer end of the inner wall cylinder is fixed on the inner wall of the inner groove. The side end of the inner wall cylinder and the side end of the outer plate are assembled and fastened by inserting inner bolts.

[0006] As a further step of this solution, the outer wall of the inner cylinder and the outer wall of the protruding strip are provided with inner grooves corresponding to the inner bolts, and the inner side of the outer wall of the outer plate is provided with an inner recessed groove corresponding to the inner bolts.

[0007] As a further step in this solution, the outer side of the inner sink is filled and covered with an inner stacked cap, and the inner stacked cap and the docking pad are integrally formed.

[0008] As a further step of this solution, the combined sleeve is arranged in the form of a regular polygon, and a large corrugated section is integrally provided between the small corrugated sleeve and the combined sleeve, and an inner support ring is provided inside the large corrugated section.

[0009] As a further step of this solution, the outer side of the combined sleeve and the outer mounting plate are assembled by inserting external mounting bolts, and the outer wall of the combined sleeve is provided with an external mounting groove corresponding to the external mounting bolts, and the outer side of the outer mounting plate is provided with an external recessed groove corresponding to the external mounting bolts, and the outer recessed groove is filled with an external overlapping cap.

[0010] As a further improvement of this solution, the mating pad and the outer cap are integrally formed, and the outer mounting plate and the outer side of the mating pad are evenly provided with mating screw holes.

[0011] Compared with the prior art, the beneficial effects of this utility model are: this utility model facilitates auxiliary combination and assembly while taking into account high ring flexibility, which helps to improve the efficiency of use and operation. This utility model, by incorporating a small corrugated sleeve and a combined sleeve, facilitates the formation of a double-walled corrugated pipe in conjunction with the inner wall cylinder. The small corrugated sleeve enhances the high ring flexibility while facilitating assembly with the combined sleeve, making operation and use more convenient and efficient. This design improves the convenience and practicality of the high-ring flexibility double-walled corrugated pipe.

[0012] This utility model, by incorporating a raised strip, an outer mounting plate, and a mating pad, facilitates assembly according to usage requirements during assembly and mating. Insertion with bolts allows for rapid formation of the corresponding double-wall corrugated pipe, making operation more convenient. Furthermore, it allows for easy partial disassembly and replacement in case of damage, avoiding waste. This design enhances the convenience and practicality of high-ring-flexibility double-wall corrugated pipes. Attached Figure Description

[0013] Figure 1 This is a side perspective three-dimensional schematic diagram of the overall structure of this utility model; Figure 2 This is a three-dimensional sectional view of the structure of this utility model. Figure 3 This is an exploded three-dimensional assembly view of the structure of this utility model. Figure 4 This utility model Figure 2Enlarged schematic diagram of the structure at point A in the middle; Figure 5 This utility model Figure 2 Enlarged schematic diagram of the structure at point B; In the diagram: 100, outer wall assembly; 101, small corrugated sleeve; 102, combined sleeve; 103, large corrugated joint; 104, inner support ring; 105, external bolt; 106, external groove; 107, external countersunk groove; 108, external folded cap; 110, inner wall cylinder; 111, raised strip; 112, external plate; 113, mating gasket; 114, internal bolt; 115, internal groove; 116, internal groove; 117, internal washer; 118, internal countersunk groove; 119, internal folded cap; 120, mating screw hole. Detailed Implementation

[0014] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0015] Please see Figures 1-5 One embodiment provided by this utility model: A double-wall corrugated pipe with high ring flexibility includes an outer wall assembly 100 and an inner wall cylinder 110. The inner wall cylinder 110 has an integrally formed rib 111 inside, and the rib 111 is parallel to the inlet and outlet directions of the inner wall cylinder 110. An outer mounting plate 112 is fitted to the outer end of the rib 111, and a mating gasket 113 is provided on the outer wall of the outer mounting plate 112. The outer wall assembly 100 includes a small corrugated sleeve 101, and a combination sleeve 102 is provided on both sides of the small corrugated sleeve 101.

[0016] As described in more detail in this embodiment, the inner wall of the outer plate 112 is provided with an inner groove 116 corresponding to the inner wall cylinder 110, and an inner washer 117 corresponding to the outer end of the inner wall cylinder 110 is fixedly provided on the inner wall of the inner groove 116. The side end of the inner wall cylinder 110 and the side end of the outer plate 112 are assembled and fastened by inserting an inner bolt 114.

[0017] Therefore, during assembly and use, it is easy to insert and connect according to the needs of use, making subsequent assembly more convenient.

[0018] As a more detailed embodiment, the outer wall of the inner wall cylinder 110 and the outer wall side of the protrusion 111 are provided with an inner groove 115 corresponding to the inner bolt 114, and the inner side of the outer wall of the outer plate 112 is provided with an inner recessed groove 118 corresponding to the inner bolt 114.

[0019] Therefore, auxiliary docking and assembly can be carried out during assembly and use to facilitate the formation of a relatively whole, making operation and use more convenient.

[0020] As described in more detail in this embodiment, the outer side of the inner sink 118 is filled and covered with an inner stacked cap 119, and the inner stacked cap 119 and the docking pad 113 are integrally formed.

[0021] Therefore, during assembly and use, it is convenient to cover and conceal the inner sink 118, making operation and use more convenient and facilitating subsequent docking and assembly.

[0022] As described in more detail in this embodiment, the combined sleeve 102 is arranged in the shape of a regular polygon, and a large corrugated section 103 is integrally provided between the small corrugated sleeve 101 and the combined sleeve 102, and an inner support ring 104 is provided inside the large corrugated section 103.

[0023] Therefore, during assembly and use, it facilitates the auxiliary transition and support between the small corrugated sleeve 101 and the combined sleeve 102, enhances the ring flexibility, and makes operation and use more convenient and stable.

[0024] As described in more detail in this embodiment, the outer side of the combination sleeve 102 and the outer mounting plate 112 are assembled by inserting the outer mounting bolts 105, and the outer wall of the combination sleeve 102 is provided with an outer mounting groove 106 corresponding to the outer mounting bolts 105, and the outer side of the outer mounting plate 112 is provided with an outer recessed groove 107 corresponding to the outer mounting bolts 105, and the outer recessed groove 107 is filled with an outer stacked cap 108.

[0025] Therefore, during assembly and use, it is easier to use auxiliary limiting combinations to form a relatively whole, making operation and use more convenient.

[0026] In a more detailed embodiment, the mating pad 113 and the outer cap 108 are integrally formed, and the outer plate 112 and the outer edge of the mating pad 113 are evenly provided with mating screw holes 120.

[0027] Therefore, during assembly and use, it is convenient to perform auxiliary docking and relatively sealed according to the needs of use, and it is also convenient to disassemble and replace, making the operation more convenient.

[0028] Working principle: During assembly and docking, an inner wall cylinder 110 of appropriate length is selected. With the assistance of the small corrugated sleeve 101, the combined sleeve 102, and the large corrugated section 103, the combined sleeve 102 is fitted together. The corresponding combined sleeve 102 is then fitted together with the external bolt 105 and the external groove 106. Subsequently, the external plate 112 on the side is fitted to the inner wall cylinder 110. Initial insertion is facilitated by the internal groove 116 and the internal washer 117. Then, assembly is performed with the internal groove 115 and the internal bolt 114. Further... With the cooperation of the outer mounting bolts 105 and the outer mounting groove 106, the combined sleeve 102 and the outer mounting plate 112 located at the edge are connected and assembled to form a corresponding whole. In this way, during use, the combination of the combined sleeve 102, the large corrugated joint 103 and the inner support ring 104 can enhance the corresponding ring flexibility. Subsequently, with the cooperation of the outer mounting plate 112 and the docking pad 113, auxiliary docking assembly is carried out, which also facilitates disassembly. This makes it easy to perform partial disassembly and assembly as needed during use, making operation and use more convenient. The operation ends here.

[0029] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model in any way. Those skilled in the art can readily implement this utility model based on the accompanying drawings and the above description. However, any modifications, alterations, or variations made by those skilled in the art without departing from the scope of the utility model's technical solution, utilizing the disclosed technical content, are equivalent embodiments of this utility model. Furthermore, any equivalent changes, alterations, or variations made to the above embodiments based on the essential technology of this utility model are still within the protection scope of this utility model's technical solution.

Claims

1. A double-walled corrugated pipe with high ring flexibility, comprising an outer wall assembly (100) and an inner wall cylinder (110), characterized in that: The inner wall cylinder (110) is integrally provided with a protruding strip (111), and the protruding strip (111) is parallel to the inlet and outlet direction of the inner wall cylinder (110). The outer end of the protruding strip (111) is equipped with an outer mounting plate (112), and the outer wall of the outer mounting plate (112) is provided with a mating pad (113). The outer wall assembly (100) includes a small corrugated sleeve (101), and a combination sleeve (102) is provided on both sides of the small corrugated sleeve (101).

2. The high-ring-flexibility double-wall corrugated pipe according to claim 1, characterized in that: The inner wall of the outer plate (112) is provided with an inner groove (116) corresponding to the inner wall cylinder (110), and an inner washer (117) corresponding to the outer end of the inner wall cylinder (110) is fixed on the inner wall of the inner groove (116). The side end of the inner wall cylinder (110) and the side end of the outer plate (112) are assembled and fastened by inserting an inner bolt (114).

3. A double-wall corrugated pipe with high ring flexibility according to claim 2, characterized in that: The outer wall of the inner wall cylinder (110) and the outer wall of the protrusion (111) are provided with an inner groove (115) corresponding to the inner bolt (114), and the inner wall of the outer plate (112) is provided with an inner recess (118) corresponding to the inner bolt (114).

4. A double-wall corrugated pipe with high ring flexibility according to claim 3, characterized in that: The outer side of the inner sink (118) is filled and covered with an inner stacked cap (119), and the inner stacked cap (119) and the docking pad (113) are integrally set.

5. A double-wall corrugated pipe with high ring flexibility according to claim 1, characterized in that: The combined sleeve (102) is arranged in the shape of a regular polygon. A large corrugated section (103) is integrally arranged between the small corrugated sleeve (101) and the combined sleeve (102), and an inner support ring (104) is supported inside the large corrugated section (103).

6. A double-wall corrugated pipe with high ring flexibility according to claim 1, characterized in that: The outer side of the combined sleeve (102) and the outer mounting plate (112) are assembled by inserting the outer mounting bolt (105). The outer wall of the combined sleeve (102) is provided with an outer mounting groove (106) corresponding to the outer mounting bolt (105), and the outer side of the outer mounting plate (112) is provided with an outer recess (107) corresponding to the outer mounting bolt (105). The outer recess (107) is filled with an outer stacked cap (108).

7. A double-wall corrugated pipe with high ring flexibility according to claim 6, characterized in that: The mating pad (113) and the outer cap (108) are integrally formed, and the outer plate (112) and the mating pad (113) are evenly provided with mating screw holes (120) on their outer sides.