CN218914148U

CN218914148U - PE lining pipe end sealing and reinforcing device

Info

Publication number: CN218914148U
Application number: CN202320081407.6U
Authority: CN
Inventors: 吴柳林; 肖忠聪; 薛玮; 陈迪; 王晓东; 张宇达; 裴立辉; 高伟; 张天宏; 龚志宏
Original assignee: Kunshan Water Group Co ltd
Current assignee: Kunshan Water Group Co ltd
Priority date: 2023-01-13
Filing date: 2023-01-13
Publication date: 2023-04-25
Anticipated expiration: 2033-01-13

Abstract

The utility model discloses a PE lining pipe end sealing and reinforcing device, which comprises a PE lining pipe, wherein a pipeline main body is arranged outside the PE lining pipe, and the PE lining pipe end is subjected to flanging treatment and provided with a sealing ring clamping groove; a viscous medium is arranged between the flange spigot-and-socket plate and the PE lining pipe; the lining composite pipe is used for connecting the PE lining pipe, and the lining composite pipe is connected with the flange socket disc through a connecting piece; and the sealing device is arranged in a sealing ring clamping groove between the flange socket and spigot and the lining composite pipe. The flange spigot-and-socket joint is adopted to seal and connect the front section pipeline and the rear section pipeline together, and the sealing device is arranged at the joint to seal the joint, so that the flange spigot-and-socket joint is tightly combined with the PE lining pipe, water leakage caused by sealing problem in the drainage process is avoided, meanwhile, the connection of the front section track and the rear section track is more fastened, and the reinforcement effect between the pipelines is improved.

Description

PE lining pipe end sealing and reinforcing device

Technical Field

The utility model belongs to the technical field of pipeline connection, and particularly relates to a PE lining pipe end sealing and reinforcing device.

Background

At present, the connection of the pipeline is mainly hard connection by using a rubber sealing flat gasket in the PE lining pipe repairing process, and the sealing effect can be achieved to a certain extent, but the pipeline is easy to loosen after the service life is exceeded or the pipeline is subjected to the action of external force, so that the sealing performance of the pipeline is affected. If the connection between two sections of pipelines is not tight enough, the tightness is poor, and water seepage is caused in the process of pipeline drainage, so that the pipeline drainage cannot be normally performed.

Disclosure of Invention

In order to solve the technical problems, the utility model provides the PE lining pipe end sealing and reinforcing device, which is provided with a device for sealing and reinforcing the pipeline in the PE lining pipe repairing construction process, wherein the front section and the rear section of the pipeline can be connected in a sealing way, the two sealing rings arranged at the PE lining pipe end opening can be tightly combined with the pipeline, water flow seeping from the pipeline connection part due to the fact that the sealing device is not tight in the drainage process of the pipeline is avoided, meanwhile, the connection of the front section and the rear section of the pipeline is fastened more tightly, and the sealing and reinforcing effects of the connection between the pipelines are improved.

The utility model discloses a PE lining pipe end sealing and reinforcing device, which comprises a PE lining pipe, wherein a pipeline main body is arranged outside the PE lining pipe, and the PE lining pipe end is subjected to flanging treatment and provided with a sealing ring clamping groove; a viscous medium is arranged between the flange spigot-and-socket plate and the PE lining pipe; the lining composite pipe is used for connecting the PE lining pipe, and the lining composite pipe is connected with the flange socket disc through a connecting piece; and the sealing device is arranged in a sealing ring clamping groove between the flange socket and spigot and the lining composite pipe.

Through adopting above-mentioned scheme, adopt flange socket joint dish to be in the same place two sections pipeline sealing connection around with, and set up sealing device in junction and seal interface department, make flange socket joint dish and PE inside lining pipe close combination, avoid leading to leaking because of sealed problem in the drainage process, also can make two sections track connection more fastening around simultaneously, promote the reinforcement effect between the pipeline.

Further, the outer surface of the lining composite pipe adopts a plastic coating process, and the inner surface is connected with the PE lining pipe by adopting a pipe expanding process.

By adopting the scheme, the plastic coating process can improve the corrosion resistance and rust resistance of the lining composite pipe, the pipe expanding process can enable the connection between the lining composite pipe and the PE lining pipe to be tighter, and the connection strength of the connection part is improved.

Further, the two ends of the lining composite pipe are subjected to flanging treatment, so that the section of the lining composite pipe is I-shaped.

Through adopting above-mentioned scheme, with the processing of inside lining composite pipe turn-ups, make its cross-section be the I-shaped, this structure has improved the intensity of inside lining composite pipe, and the turn-ups structure can be more convenient be connected with PE inside lining pipe.

Further, the viscous medium adopts expansive cement.

By adopting the scheme, the expansion cement can improve the connection strength and the waterproof performance between the PE lining pipe and the flange socket plate. The expansion cement is also called waterproof concrete, can be used for joint and repair engineering, slightly expands after solidification, and improves the connection strength.

Further, the sealing device comprises a first sealing ring and a second sealing ring, and the first sealing ring and the second sealing ring are installed in the sealing ring clamping groove.

By adopting the scheme, the sealing performance between the PE lining pipe and the flange socket and spigot plate is improved by the multi-layer sealing ring, and the possibility of leakage is reduced.

Further, sealing paste is coated between the sealing ring clamping groove and the sealing device.

By adopting the scheme, the sealing paste further improves the tightness between the PE lining pipe and the flange socket and spigot disc, and also improves the connection strength between the PE lining pipe and the flange socket and spigot disc.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings used in the description of the embodiments or the prior art will be briefly described below.

FIG. 1 is a cross-sectional view of a PE liner tube end seal reinforcement device;

fig. 2 is a side view of a PE liner tube end seal reinforcement device.

Wherein reference numerals are as follows: the PE lining pipe 1, a pipe main body 2, an adhesive medium 3, a flange socket and spigot plate 4, a connecting piece 5, a first sealing ring 6, a second sealing ring 7 and a lining composite pipe 8.

Detailed Description

The utility model is described in further detail below with reference to the accompanying drawings.

As shown in fig. 1 and 2, the utility model discloses a PE lining pipe end sealing and reinforcing device, which comprises a PE lining pipe 1, wherein a pipeline main body 2 is arranged outside the PE lining pipe 1, and the PE lining pipe 1 is subjected to port flanging treatment and provided with a sealing ring clamping groove; the shape of the flange spigot-and-socket disc 4 is matched with that of the pipeline main body 2 and the PE lining pipe 1 and slightly larger than that of the pipeline main body 2 and the PE lining pipe 1, and an adhesive medium 3 is arranged between the flange spigot-and-socket disc 4 and the PE lining pipe 1 and used for connecting the PE lining pipe 1 and the flange spigot-and-socket disc 4; the lining composite pipe 8 is used for connecting the PE lining pipe 1, and the lining composite pipe 8 is connected with the flange socket 4 through the connecting piece 5; the sealing device is arranged in a sealing ring clamping groove between the flange socket plate 4 and the lining composite pipe 8.

The utility model has the beneficial effects that:

first, adopt flange spigot-and-socket joint 4 and compound lining pipe to connect two sections pipeline around, joint strength is high.

Second, the sealing performance of the joint of the PE lining pipe 1 is improved by the adhesive medium 3 and the sealing device, and the condition that the joint leaks is avoided.

In some embodiments of the present utility model, the outer surface of the liner composite tube 8 is plastic coated and the inner surface is connected to the PE liner tube 1 by a tube expansion process.

The beneficial effects of this embodiment lie in: the plastic coating process can improve the corrosion resistance and rust resistance of the lining composite pipe 8, and the pipe expanding process can enable the connection between the lining composite pipe 8 and the PE lining pipe 1 to be tighter, so that the tightness and the connection strength of the connection part are improved.

In some embodiments of the present utility model, the two ends of the inner liner composite tube 8 are turned to form the inner liner composite tube 8 with an i-shaped cross section.

The beneficial effects of this embodiment lie in: the i-shaped cross section improves the strength of the lined composite pipe 8 and also facilitates connection with other components.

In some embodiments of the present utility model, the adhesive 3 between the flange spigot 4 and the PE liner pipe 1 is preferably expansion cement, but other adhesives 3 may be used.

The beneficial effects of this embodiment lie in: the expansion cement can improve the connection strength and the waterproof performance between the PE lining pipe 1 and the flange socket 4, and after solidification, the expansion cement slightly expands, so that the connection strength is greatly enhanced. The expansion cement is also called as self-waterproof concrete and is suitable for joint and repair engineering.

In some embodiments of the present utility model, the sealing device comprises a first sealing ring 6 and a second sealing ring 7, wherein the first sealing ring 6 and the second sealing ring 7 are installed in the sealing ring clamping groove, and a gap is reserved between the two sealing rings.

The beneficial effects of this embodiment lie in: the adoption of the multi-layer sealing ring improves the tightness between the PE lining pipe 1 and the flange socket and spigot plate 4, and reduces the possibility of leakage.

In some embodiments of the utility model, a sealing material, preferably a sealing paste, is applied between the seal ring clamping groove and the sealing device.

The beneficial effects of this embodiment lie in: the sealing paste further improves the tightness between the PE lining pipe 1 and the flange socket and spigot plate 4 and improves the connection strength between the PE lining pipe 1 and the flange socket and spigot plate 4. The sealing paste is used for supplementing sealing of the sealing ring, the sealing paste can be smeared on the inner diameter surface (inner side) of the gasket, the sealing paste can permeate into the sealing ring, and a gap between the sealing ring and the clamping groove of the sealing ring is filled, so that the sealing performance is enhanced; the gasket can be prevented from being adhered to the flange, so that the disassembly is difficult, the sealing paste is uniformly smeared on the upper surface and the lower surface of the sealing ring, or smeared on the flange surface, and the sealing ring is easy to peel off from the flange when the sealing ring is disassembled.

In some embodiments of the utility model, the flanging of the PE lining pipe 1, the flanging of the lining composite pipe 8 and the flange socket 4 are matched, and a circle of flange holes are arranged at the joint of the lining composite pipe 8 and the flange socket 4 and are connected by fastening screws.

The beneficial effects of this embodiment lie in: the structure can enable the connection strength of the lining composite pipe 8 and the flange socket 4 to be higher, and effectively avoid the problems of loosening and leakage at the connection part.

The front section and the rear section of the pipeline are fastened and connected by the lining composite pipe 8, the first sealing ring 6 and the second sealing ring 7 are aligned to corresponding sealing ring clamping grooves in the connecting process, sealing paste is coated in the connecting process (the effects of primary sealing and lubrication are achieved), and after the connection is completed, the flange socket and spigot plate 4 is fastened and connected by the lining composite pipe 8 by fastening bolts.

It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit of the utility model.

Claims

1. A PE liner tube end seal reinforcement apparatus comprising:

the PE lining pipe (1), the PE lining pipe (1) is provided with a pipeline main body (2) outside, and the port of the PE lining pipe (1) is subjected to flanging treatment and provided with a sealing ring clamping groove;

a viscous medium (3) is arranged between the flange spigot-and-socket disc (4) and the PE lining pipe (1);

the lining composite pipe (8), the lining composite pipe (8) is used for connecting the PE lining pipe (1), and the lining composite pipe (8) is connected with the flange socket disc (4) through the connecting piece (5);

the sealing device is arranged in a sealing ring clamping groove between the flange socket disc (4) and the lining composite pipe (8).

2. The PE lining pipe end sealing and reinforcing device according to claim 1, wherein the outer surface of the lining composite pipe (8) is subjected to a plastic coating process, and the inner surface is connected with the PE lining pipe (1) by adopting a pipe expanding process.

3. The PE lining pipe end sealing and reinforcing device according to claim 1, wherein the two ends of the lining composite pipe (8) are subjected to flanging treatment, so that the section of the lining composite pipe (8) is I-shaped.

4. The PE liner pipe end sealing and reinforcing device according to claim 1, wherein the viscous medium (3) is expansion cement.

5. The PE lining pipe end sealing and reinforcing device according to claim 1, wherein the sealing device comprises a first sealing ring (6) and a second sealing ring (7), and the first sealing ring (6) and the second sealing ring (7) are installed in a sealing ring clamping groove.

6. The PE liner tube end sealing and reinforcing device according to claim 1, wherein a sealing paste is applied between the sealing ring clamping groove and the sealing device.