Municipal drainage pipeline lining structure
By introducing an assembly device of a positioning ring and an insert ring into the lining structure of a municipal drainage pipe, the problem of inconvenient assembly in the prior art is solved, and rapid installation and efficient disassembly are achieved, which is suitable for the improvement of the lining of municipal drainage pipes.
Patent Information
- Application Number
- CN202423088702.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-14
- Publication Date
- 2025-09-19
- Estimated Expiration
- 2034-12-14
AI Technical Summary
The existing municipal drainage pipe lining is inconvenient to assemble and difficult to replace, resulting in troublesome installation and inconvenience in use.
An assembly device, including a positioning ring and an insert ring, is used to achieve rapid installation of the lining body through connecting components. The flange connection is used to reduce the difficulty of installation and avoid complex welding and bonding steps.
It achieves fast and easy installation of the lining, improves installation efficiency and sealing effect, reduces disassembly difficulty, and is suitable for the actual needs of municipal drainage pipes.
Smart Images

Figure CN223360258U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of municipal drainage, in particular to a municipal drainage pipe lining structure. Background Art
[0002] Municipal drainage pipes are a key part of the urban drainage system. They are distributed underground in a network-like manner and are responsible for collecting rainwater, domestic sewage, industrial wastewater, etc. The drainage pipe lining is a material and technology used to repair and protect the inside of the drainage pipe. Simply put, it is like putting a layer of "protective clothing" on the inner wall of the drainage pipe. This layer of lining fits tightly to the inner wall of the pipe and is installed inside the original pipe through different construction methods to achieve multiple purposes such as repairing pipe structural defects, preventing pipe leakage, and improving pipe hydraulic performance.
[0003] In daily work, it is found that when existing pipe liners are assembled with drainage pipes, the lining body is mostly installed by welding or bonding, which makes the overall installation operation troublesome. Once the lining needs to be replaced, it is difficult to remove and inconvenient to replace, causing overall inconvenience in use. Utility Model Content
[0004] The purpose of the utility model is to solve the disadvantage of inconvenient assembly operation in the prior art and to propose a municipal drainage pipe lining structure.
[0005] In order to achieve the above-mentioned purpose, the present invention adopts the following technical solutions: A municipal drainage pipe lining structure includes a pipe body and a lining body, the lining body is located in the pipe body, and two flanges are fixedly connected to the surface of the pipe body, and an assembly device is provided on the surface of the lining body, and the assembly device includes two positioning rings, which are arranged at both ends of the lining body, and both ends of the lining body are fixedly connected to an insert ring, and a slot is provided on the surface of the positioning ring, and the insert ring is plugged into the inner wall of the slot, and a connecting component is provided between the positioning ring and the insert ring, and a plurality of through-holes corresponding to the flanges are provided on the surface of the positioning ring. Through the above-mentioned components, when assembling, the lining body is first inserted into the pipe body, and then the insert ring is inserted into the slot on the surface of the positioning ring. The positioning ring can be restricted on the insert ring through the positioning component, thereby realizing the installation of the lining body. When the pipe body is connected by the flange, the positioning ring can be clamped, which greatly reduces the difficulty of installation. No professional welding skills or complicated bonding pretreatment steps are required, and the lining can be assembled quickly, effectively improving the overall installation efficiency.
[0006] Preferably, three positioning blocks are fixedly connected to the surface of the positioning ring, and three positioning grooves are opened on the surface of the flange. The positioning blocks are plugged into the inner walls of the positioning grooves. Through the above components, the positioning blocks can be inserted into the positioning grooves to limit the positioning ring.
[0007] Preferably, an inner gasket is fixedly connected to the inner wall of the slot on the surface of the positioning ring, and an outer gasket is fixedly connected to the surface of the positioning ring. Through the above components, the inner gasket and the outer gasket can respectively achieve sealing operation after connection to improve the sealing effect.
[0008] Preferably, the inner gasket and the outer gasket are both arranged in a circular ring shape.
[0009] Preferably, the connecting assembly includes three sockets opened on the surface of the positioning ring, the inner wall of the socket is inserted with a screw, and the surface of the insert ring is provided with three screw holes, and the screw is threadedly connected to the inner wall of the screw hole. Through the above components, the screw can be rotated, and the screw can be threadedly connected to the screw hole on the surface of the insert ring, thereby positioning the insert ring and the lining body.
[0010] Preferably, a cross groove is provided on the surface of the screw.
[0011] Preferably, the surface of the screw is rotatably connected to a rotating ring, the rotating ring is slidably connected to the inner wall of the slot, and the side of the rotating ring corresponding to the inner wall of the socket is fixedly connected to a spring. Through the above components, when the screw is moved out of the screw hole, the spring cooperates with the rotating ring to push the screw out, making it easy to disassemble.
[0012] Compared with the prior art, the advantages and positive effects of the present invention are:
[0013] 1. In the utility model, by setting an assembly device, the insert rings at both ends of the lining body can be inserted into the slots on the surface of the positioning ring, and the positioning ring and the insert ring can be connected through a connecting component to achieve limited installation of the lining body, which greatly reduces the difficulty of installation, does not require professional welding skills or complicated bonding pretreatment steps, can quickly realize the assembly of the lining, and effectively improves the overall installation efficiency.
[0014] 2. In the present invention, through the connection assembly, the screw rod can be matched with the screw hole on the surface of the insert ring to achieve quick connection. When disassembling, the spring can cooperate with the rotating ring to push out the screw rod, thereby improving the overall usability.
[0015] 3. In the present invention, the positioning block cooperates with the positioning groove on the flange surface to position the positioning ring and improve the stability of the positioning ring. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 The utility model provides a three-dimensional structural diagram of a municipal drainage pipe lining structure;
[0017] Figure 2 The utility model provides a cross-sectional structural diagram of a municipal drainage pipe lining structure;
[0018] Figure 3 This utility model proposes a municipal drainage pipe lining structure Figure 2 Schematic diagram of the structure at A in the middle;
[0019] Figure 4 The utility model proposes a schematic diagram of the explosion structure of a municipal drainage pipe lining structure;
[0020] Figure 5 The utility model provides a schematic diagram of the structure of the connection components of the municipal drainage pipe lining structure.
[0021] Legend:
[0022] 1. Pipe body; 2. Flange; 3. Lining body; 4. Assembly device; 41. Positioning ring; 42. Outer gasket; 43. Perforation; 44. Insert ring; 45. Slot; 46. Positioning block; 47. Positioning groove; 48. Connecting assembly; 481. Socket; 482. Screw; 483. Rotating ring; 484. Spring; 485. Screw hole; 49. Inner gasket. DETAILED DESCRIPTION
[0023] See also Figure 1-Figure 5 The utility model provides a technical solution: a municipal drainage pipe lining structure, including a pipe body 1 and a lining body 3, the lining body 3 is located in the pipe body 1, two flanges 2 are fixedly connected to the surface of the pipe body 1, and an assembly device 4 is provided on the surface of the lining body 3.
[0024] Specifically, the assembly device 4 includes two positioning rings 41, which are arranged at both ends of the lining body 3. Both ends of the lining body 3 are fixedly connected with an insert ring 44. A slot 45 is provided on the surface of the positioning ring 41. The insert ring 44 is plugged into the inner wall of the slot 45. A connecting component 48 is provided between the positioning ring 41 and the insert ring 44. The surface of the positioning ring 41 is provided with multiple through holes 43 corresponding to the flange 2.
[0025] In this embodiment: during assembly, the lining body 3 is first inserted into the pipe body 1, and then the insert ring 44 is inserted into the slot 45 on the surface of the positioning ring 41. The positioning ring 41 can be restricted on the insert ring 44 through the positioning assembly, thereby realizing the installation of the lining body 3. When the pipe body 1 is connected by the flange 2, the positioning ring 41 can be clamped, which greatly reduces the difficulty of installation. No professional welding skills or complicated bonding pretreatment steps are required, and the lining can be quickly assembled, effectively improving the overall installation efficiency.
[0026] Specifically, three positioning blocks 46 are fixedly connected to the surface of the positioning ring 41, and three positioning grooves 47 are opened on the surface of the flange 2. The positioning blocks 46 are plugged into the inner walls of the positioning grooves 47. The positioning blocks 46 can be inserted into the positioning grooves 47 to limit the positioning ring 41.
[0027] Specifically, an inner gasket 49 is fixedly connected to the inner wall of the slot 45 on the surface of the positioning ring 41 , and an outer gasket 42 is fixedly connected to the surface of the positioning ring 41 .
[0028] In this embodiment, the inner gasket 49 and the outer gasket 42 can respectively realize a sealing operation after being connected, thereby improving the sealing effect.
[0029] Specifically, the inner gasket 49 and the outer gasket 42 are both arranged in a circular ring shape.
[0030] Specifically, the connecting assembly 48 includes three sockets 481 opened on the surface of the positioning ring 41, the inner wall of the socket 481 is connected with a screw 482, and the surface of the insert ring 44 is provided with three screw holes 485, and the screw 482 is threadedly connected to the inner wall of the screw hole 485.
[0031] In this embodiment, the screw rod 482 can be rotated and the screw rod 482 can be threadedly connected with the screw hole 485 on the surface of the insert ring 44, so as to position the insert ring 44 and the lining body 3.
[0032] Specifically, a cross groove is formed on the surface of the screw rod 482 .
[0033] Specifically, a rotating ring 483 is rotatably connected to the surface of the screw 482 , and the rotating ring 483 is slidably connected to the inner wall of the slot 45 . A spring 484 is fixedly connected to one side of the rotating ring 483 corresponding to the inner wall of the insertion hole 481 .
[0034] In this embodiment, when the screw rod 482 is removed from the screw hole 485 , the spring 484 cooperates with the rotating ring 483 to push the screw rod 482 out, making it easier to disassemble.
[0035] Working principle: When assembling the lining body 3, first insert the lining body 3 into the pipe body 1, then insert the positioning block 46 on the surface of the positioning ring 41 into the positioning groove 47 on the surface of the flange 2, and at the same time, the insert rings 44 at both ends of the lining body 3 can be respectively inserted into the slots 45 on the surface of the positioning ring 41, and squeeze the inner gasket 49, and then insert it into the cross groove on the surface of the screw 482 through a tool, push the screw 482, and the screw 482 drives the rotating ring 483 to move, and the spring 484 is stressed. After moving to a certain position , rotate the screw 482, and the screw 482 is threadedly connected to the inner wall of the screw hole 485 on the surface of the insert ring 44 to achieve the positioning effect, and the lining body 3 can be stably and quickly assembled in the pipe body 1. When the pipe body 1 is connected through the flange 2, the screws used to connect the flange 2 can pass through the through-hole 43 on the surface of the positioning ring 41, which is convenient for connection and greatly reduces the difficulty of installation. It does not require professional welding skills or complicated bonding pretreatment steps, and can quickly assemble the lining, effectively improving the overall installation efficiency.
Claims
1. A municipal drainage pipe lining structure, comprising a pipe body (1) and a lining body (3), characterized in that: The lining body (3) is located in the pipe body (1), and two flanges (2) are fixedly connected to the surface of the pipe body (1). An assembly device (4) is provided on the surface of the lining body (3), and the assembly device (4) includes two positioning rings (41). The two positioning rings (41) are arranged at both ends of the lining body (3). Both ends of the lining body (3) are fixedly connected with an insert ring (44). A slot (45) is provided on the surface of the positioning ring (41), and the insert ring (44) is plugged into the inner wall of the slot (45). A connecting component (48) is provided between the positioning ring (41) and the insert ring (44). A plurality of through holes (43) corresponding to the flanges (2) are provided on the surface of the positioning ring (41).
2. A municipal drainage pipe lining structure according to claim 1, characterized in that: Three positioning blocks (46) are fixedly connected to the surface of the positioning ring (41), and three positioning grooves (47) are opened on the surface of the flange (2). The positioning blocks (46) are plugged into the inner walls of the positioning grooves (47).
3. The municipal drainage pipe lining structure according to claim 1, characterized in that: An inner gasket (49) is fixedly connected to the inner wall of the slot (45) on the surface of the positioning ring (41), and an outer gasket (42) is fixedly connected to the surface of the positioning ring (41).
4. A municipal drainage pipe lining structure according to claim 3, characterized in that: The inner gasket (49) and the outer gasket (42) are both arranged in a circular ring shape.
5. The municipal drainage pipe lining structure according to claim 1, characterized in that: The connecting assembly (48) includes three jacks (481) provided on the surface of the positioning ring (41), the inner wall of the jacks (481) is connected with a screw (482), and the surface of the insert ring (44) is provided with three screw holes (485), and the screw (482) is threadedly connected to the inner wall of the screw hole (485).
6. The municipal drainage pipe lining structure according to claim 5, characterized in that: A cross groove is formed on the surface of the screw (482).
7. The municipal drainage pipe lining structure according to claim 5, characterized in that: The surface of the screw rod (482) is rotatably connected to a rotating ring (483), the rotating ring (483) is slidably connected to the inner wall of the slot (45), and a spring (484) is fixedly connected to the side of the rotating ring (483) corresponding to the inner wall of the socket (481).