CN213900256U

CN213900256U - Socket-reinforced PE-PP composite double-wall corrugated pipe

Info

Publication number: CN213900256U
Application number: CN202022750241.1U
Authority: CN
Inventors: 朱英勇
Original assignee: Jiangxi Eternal Pipe Technology Co ltd
Current assignee: Jiangxi Eternal Pipe Technology Co ltd
Priority date: 2020-11-25
Filing date: 2020-11-25
Publication date: 2021-08-06
Anticipated expiration: 2030-11-25

Abstract

The utility model relates to the technical field of pipe connection, and discloses a socket-reinforced PE-PP composite double-wall corrugated pipe, which comprises a first corrugated pipe and a second corrugated pipe, wherein corrugated strips are fixedly arranged on the outer surfaces of the first corrugated pipe and the second corrugated pipe, the right end of the first corrugated pipe is communicated with a socket, telescopic rods are fixedly arranged at the top and the bottom of the inner cavity of the socket, springs are sleeved on the outer surfaces of the two telescopic rods, steel belts are fixedly arranged at the opposite ends of the two telescopic rods, a socket of the second corrugated pipe is inserted into the socket of the first corrugated pipe through external force, then the corrugated strips of the second corrugated pipe extrude two clamping blocks in the inserting process, the two clamping blocks extrude the springs and the telescopic rods to shrink through the steel belts, and the clamping blocks are clamped into gaps between the corrugated strips through the reverse elasticity of the springs after the clamping is completed, the compressive strength of the socket is improved, and the problem of disjointing of the corrugated pipe after installation is avoided.

Description

Socket-reinforced PE-PP composite double-wall corrugated pipe

Technical Field

The utility model relates to a technical field is connected to the tubular product, specifically is a PE-PP composite double-walled bellows of bellmouth reinforcing.

Background

The double-wall corrugated pipe is a novel pipe with an outer wall with an annular structure and a smooth inner wall, and has been developed from a single variety to a complete product series after more than ten years of development and improvement. The production process and the use technology are mature at present. Due to its superior performance and relatively economical cost.

When the conventional PE-PP composite double-wall corrugated pipe is used, the compressive strength of a bellmouth of the corrugated pipe is low, the corrugated pipes are inconvenient to clamp, the problem of disjointing is easy to occur after the two corrugated pipes are connected, the sealing performance between the bellmouth and a socket of the corrugated pipe is poor, and liquid is easy to overflow to affect the surrounding soil.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a PE-PP composite double-walled bellows of bellmouth reinforcing possesses the compressive strength that can improve the bellows bellmouth, the joint between the bellows of being convenient for, advantages such as disjointing can not appear after the bellows installation, the compressive strength who has solved the bellows bellmouth is lower, the joint is inconvenient between the bellows, the disjointing appears easily after the bellows is connected, the relatively poor and then lead to liquid to spill over the problem that influences soil property on every side between bellows bellmouth and the socket.

(II) technical scheme

In order to solve the technical problem, the utility model provides a following technical scheme: the PE-PP composite double-wall corrugated pipe with the reinforced bellmouth comprises a first corrugated pipe and a second corrugated pipe, corrugated strips are fixedly mounted on the outer surfaces of the first corrugated pipe and the second corrugated pipe, the right end of the first corrugated pipe is communicated with the bellmouth, telescopic rods are fixedly mounted at the top and the bottom of an inner cavity of the bellmouth, springs are sleeved on the outer surfaces of the two telescopic rods, a steel belt is fixedly mounted at the opposite end of the two telescopic rods, and clamping blocks are fixedly mounted at the top and the bottom of the inner cavity of the steel belt.

Preferably, a sealing groove is formed in the left side of the socket.

Preferably, the left side of the second corrugated pipe is communicated with a socket, and a framework rubber sealing strip is fixedly mounted on the outer surface of the socket.

Preferably, the bottoms of the two clamping blocks are both arc-shaped, and the outer surfaces of the clamping blocks are matched with the inner surfaces of the corrugated strips.

Preferably, the shape of the skeleton rubber sealing strip is a circular trapezoid.

Preferably, the outer surface of the framework rubber sealing strip is matched with the inner surface of the sealing groove.

(III) advantageous effects

Compared with the prior art, the utility model provides a compound double-walled bellows of PE-PP of bellmouth reinforcing possesses following beneficial effect: the socket of the PE-PP composite double-wall corrugated pipe with the reinforced socket can be inserted into the socket of the corrugated pipe through external force, then the corrugated strips of the corrugated pipe II extrude two clamping blocks in the inserting process, the two clamping blocks are contracted through steel strip extrusion springs and telescopic rods, the clamping blocks are clamped into gaps between the corrugated strips through the rebound force of the springs after the clamping is completed, meanwhile, the framework rubber sealing strips are contracted through the resistance of the inner wall of the socket, and the clamping sealing grooves are re-expanded after the framework rubber sealing strips are clamped into the sealing grooves.

1. According to the PE-PP composite double-wall corrugated pipe with the reinforced socket, the socket of the second corrugated pipe is inserted into the socket of the first corrugated pipe through external force, then the corrugated strips of the second corrugated pipe in the inserting process extrude two clamping blocks, the two clamping blocks are contracted through steel belt extrusion springs and telescopic rods, the clamping blocks are clamped into gaps between the corrugated strips through the rebound force of the springs after clamping is completed, the compressive strength of the socket is improved, clamping between the corrugated pipes is facilitated, and the problem of disjointing after the corrugated pipes are installed is avoided.

2. According to the PE-PP composite double-wall corrugated pipe with the reinforced bellmouth, the framework rubber sealing strips are contracted by the resistance of the inner wall of the bellmouth, and when the framework rubber sealing strips are clamped into the sealing grooves, the clamping sealing grooves are re-expanded, so that the sealing performance between the corrugated pipes is improved, and the problem that the surrounding soil is influenced due to the fact that liquid overflows from the corrugated pipe interface is solved.

Drawings

Fig. 1 is a front view of the external structure of the present invention.

Fig. 2 is a front view of the first bellows and the socket inner structure of the present invention.

Fig. 3 is a partial cross-sectional view of the first bellows and the second bellows in a clamping state.

In the figure: 1. a first corrugated pipe; 2. a second corrugated pipe; 3. a corrugated strip; 4. a socket; 5. a telescopic rod; 6. a spring; 7. a steel belt; 8. a clamping block; 9. a sealing groove; 10. a socket; 11. skeleton rubber sealing strip.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a bellmouth reinforced PE-PP composite double-wall corrugated pipe, includes a first corrugated pipe 1 and a second corrugated pipe 2, the first corrugated pipe 1 and the second corrugated pipe 2 are made of PE and PP composite materials, corrugated strips 3 are fixedly mounted on the outer surfaces of the first corrugated pipe 1 and the second corrugated pipe 2, a bellmouth 4 is communicated with the right end of the first corrugated pipe 1, telescopic rods 5 are fixedly mounted on the top and the bottom of the inner cavity of the bellmouth 4, springs 6 are sleeved on the outer surfaces of the two telescopic rods 5, steel belts 7 are fixedly mounted on the opposite ends of the two telescopic rods 5, fixture blocks 8 are fixedly mounted on the top and the bottom of the inner cavity of the steel belts 7, a seal groove 9 is formed on the left side of the bellmouth 4, a socket 10 is communicated with the left side of the second corrugated pipe 2, a skeleton rubber seal strip 11 is fixedly mounted on the outer surface of the two telescopic rods 5, the bottom of each of the two clamping blocks 8 is arc-shaped, the outer surface of each clamping block 8 is matched with the inner surface of the corrugated strip 3, the framework rubber sealing strip 11 is in a circular trapezoid shape, and the outer surface of each framework rubber sealing strip 11 is matched with the inner surface of the sealing groove 9.

The working principle is as follows: firstly, a worker aligns a socket 10 of a second corrugated pipe 2 with a socket 4 of a first corrugated pipe 1, the socket 10 of the second corrugated pipe 2 is inserted into the socket 4 of the first corrugated pipe 1 through external force, then two clamping blocks 8 are extruded by corrugated strips 3 of the second corrugated pipe 2 in the insertion process, the two clamping blocks 8 extrude a spring 6 and a telescopic rod 5 to shrink through a steel strip 7, the clamping blocks 8 are clamped into gaps between the corrugated strips 3 through the rebound force of the spring 6 after clamping is completed, meanwhile, the clamping sealing groove 9 is expanded again through a framework rubber sealing strip 11 under the resistance of the inner wall of the socket 4, and the framework rubber sealing strip 11 is clamped into the sealing groove 9.

In conclusion, the socket 10 of the socket-reinforced PE-PP composite double-wall corrugated pipe 2 can be inserted into the socket 4 of the first corrugated pipe 1 through external force, then the corrugated strips 3 of the second corrugated pipe 2 extrude the two fixture blocks 8 in the insertion process, the two fixture blocks 8 extrude the spring 6 and the telescopic rod 5 to shrink through the steel strip 7, after the clamping is completed, the fixture blocks 8 are clamped into the gaps between the corrugated strips 3 through the rebound force of the spring 6, and meanwhile, the framework rubber sealing strip 11 is shrunk by the resistance of the inner wall of the socket 4, and the clamping sealing groove 9 is re-unfolded after the framework rubber sealing strip 11 is clamped into the sealing groove 9.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a compound double-walled bellows of PE-PP of bellmouth reinforcing, includes bellows (1) and No. two bellows (2), the equal fixed mounting in surface of bellows (1) and No. two bellows (2) has ripple strip (3), its characterized in that: the right-hand member intercommunication of a bellows (1) has bellmouth (4), the equal fixed mounting in top and the bottom of bellmouth (4) inner chamber has telescopic link (5), two spring (6) have all been taken care of to the surface of telescopic link (5), two the equal fixed mounting in one end that telescopic link (5) are relative has steel band (7), the equal fixed mounting in top and the bottom of steel band (7) inner chamber has fixture block (8).

2. The socket-reinforced PE-PP composite double-wall corrugated pipe as claimed in claim 1, wherein: and a sealing groove (9) is formed in the left side of the socket (4).

3. The socket-reinforced PE-PP composite double-wall corrugated pipe as claimed in claim 1, wherein: the left side intercommunication of No. two bellows (2) has socket (10), the fixed surface of socket (10) installs skeleton rubber seal strip (11).

4. The socket-reinforced PE-PP composite double-wall corrugated pipe as claimed in claim 1, wherein: the bottoms of the two clamping blocks (8) are both arc-shaped, and the outer surfaces of the clamping blocks (8) are matched with the inner surfaces of the corrugated strips (3).

5. The socket-reinforced PE-PP composite double-wall corrugated pipe according to claim 3, wherein: the shape of the framework rubber sealing strip (11) is a circular trapezoid.

6. The socket-reinforced PE-PP composite double-wall corrugated pipe according to claim 3, wherein: the outer surface of the framework rubber sealing strip (11) is matched with the inner surface of the sealing groove (9).