CN216867874U

CN216867874U - Self-locking type pulling-top solid-wall drain pipe

Info

Publication number: CN216867874U
Application number: CN202220451129.4U
Authority: CN
Inventors: 李永成
Original assignee: Foshan Shengchang Pipe Industry Technology Co ltd
Current assignee: Foshan Shengchang Pipe Industry Technology Co ltd
Priority date: 2022-03-03
Filing date: 2022-03-03
Publication date: 2022-07-01
Anticipated expiration: 2032-03-03

Abstract

The utility model aims to provide a self-locking type pull-top solid-wall drain pipe which has the advantages of stable connection and good sealing performance and comprises a bellmouth, a pipeline body and a socket which are integrally formed in sequence, wherein the bellmouth sequentially comprises a bellmouth transition section, a bellmouth self-locking section and a bellmouth free section along the direction from the pipeline body to the bellmouth, and the pipeline body is positioned at the part connected with the bellmouth transition section to form a first pipe wall; the socket comprises a socket transition section, a socket self-locking section and a socket free section in sequence, and the position of the pipeline body connected with the socket transition section forms a second pipe wall; bellmouth is from locking section and socket from locking section can closure each other, bellmouth free section is the slope structure setting that the wall thickness increases gradually towards being close to bellmouth from locking section orientation, the slope structure setting that the wall thickness increases gradually is from locking section orientation towards being close to the socket in the socket free section, and the socket changeover portion is the slope structure setting that the wall thickness increases gradually towards being close to pipeline body orientation, and the socket changeover portion is equipped with the sealed recess that is used for placing the sealing washer.

Description

Self-locking type pulling-top solid-wall drain pipe

Technical Field

The utility model relates to a drain pipe, in particular to a self-locking type pull-top solid-wall drain pipe.

Background

In-process of laying sewage pipes in the equipment, because the requirement of sewage system pipeline is complicated, need constantly assemble the concatenation integration by a strip pipeline, the equipment of traditional sewage pipes is in order to avoid the sewage seepage because receive the external force extrusion and lead to, its mosaic structure designs comparatively complicatedly, the equipment concatenation process is loaded down with trivial details, later stage pipeline maintenance is with high costs, the extravagant phenomenon of each item human cost is comparatively serious, and cause road surface vehicle to block up to this highway section of laying sewage pipes in the past for a long time, be not suitable for laying a large amount of sewage pipes.

The utility model discloses an application number is 202120553954.0's utility model discloses a double containment auto-lock socket joint solid wall pipe, including the body, be used for assembly connection's socket, be used for assembly connection's bellmouth, the inside cavity of body forms the pipeline, and the both ends of pipeline communicate with each other, and the socket sets up on the body, and the bellmouth sets up on the body, and socket and bellmouth all have along the body to the convex cyclic annular arch of circumferential direction.

The sealing ring is arranged at the interface of the first end and the second end, the connecting part of the first end and the second end is horizontal at the sealing part, and the solid wall pipe is formed by thermoplastic plastic pipes and is easy to expand with heat and contract with cold to deform, so that the connecting stability and the sealing performance of the connecting part are easy to change.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a self-locking type pull-top solid-wall drain pipe which has the advantages of stable connection and good sealing property.

A self-locking type pull-top solid-wall drain pipe comprises a bellmouth, a pipeline body and a socket which are integrally formed in sequence, wherein the bellmouth sequentially comprises a bellmouth transition section, a bellmouth self-locking section and a bellmouth free section along the direction from the pipeline body to the bellmouth, and the position of the pipeline body connected with the bellmouth transition section forms a first pipe wall; the socket comprises a socket transition section, a socket self-locking section and a socket free section in sequence, and the position of the pipeline body connected with the socket transition section forms a second pipe wall; bellmouth is from locking section and socket from locking section can closure each other, bellmouth free section is the slope structure setting that the wall thickness increases gradually towards being close to bellmouth from locking section orientation, the slope structure setting that the wall thickness increases gradually is from locking section orientation towards being close to the socket in the socket free section, and the socket changeover portion is the slope structure setting that the wall thickness increases gradually towards being close to pipeline body orientation, and the socket changeover portion is equipped with the sealed recess that is used for placing the sealing washer.

The utility model is further arranged that the bell mouth free section is arranged in an inclined structure towards the direction close to the bell mouth self-locking section, the inclination angle is 5-15 degrees, and when the bell mouth self-locking section and the socket self-locking section are locked, the socket transition section is arranged in parallel with the bell mouth free section.

The utility model is further arranged that when the socket self-locking section and the spigot self-locking section are locked, a first reserved movable gap is arranged between the end part of the socket free section and the second pipe wall, a second reserved movable gap is arranged between the end part of the spigot free section and the first pipe wall, and the length from the sealing groove to the second pipe wall is greater than the length of the first reserved movable gap.

The utility model is further arranged that the sealing groove is a circular groove, a sealing ring is arranged in the sealing groove, and the contact part of the sealing ring and the free section of the bellmouth is in surface contact.

By adopting the technical scheme, the utility model has the following advantages:

1. when the socket and the spigot are mutually interlocked, the structure of the free section of the socket is arranged to ensure that the socket has enough anti-deformation capability;

2. the sealing groove and the sealing ring are arranged at the free section of the socket and the transition section of the spigot, and the shape of the sealing groove and the contact mode between the sealing ring and the free section of the socket ensure the reliability of the sealing performance;

3. the first reserved movable gap and the second reserved movable gap are used for conveniently locking and connecting the socket self-locking section and the socket self-locking section.

Drawings

Fig. 1 is a schematic structural view of a self-locking type top-pulling solid-wall drainage pipe.

1. A socket; 11. a bellmouth transition section; 12. a socket self-locking section; 13. a socket free section; 2. a pipe body; 21. a first tube wall; 22. a second tube wall; 3. a socket; 31. a socket transition section; 311. sealing the groove; 32. a socket self-locking section; 33. a socket free section; 4. and (5) sealing rings.

DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION

The self-locking pull-top solid-wall drainage pipe of the utility model is further explained with reference to the attached drawing 1. As shown in figure 1, the self-locking type pull-top solid-wall drainage pipe comprises a socket 1, a pipe body 2 and a socket 3 which are integrally formed by thermoplastic plastic pipes and are sequentially connected.

Along the direction of the pipeline body 2 to the bellmouth 1, the bellmouth 1 sequentially comprises a bellmouth transition section 11, a bellmouth self-locking section 12 and a bellmouth free section 13, the pipeline body 2 is positioned at the position connected with the bellmouth transition section 11 to form a first pipe wall 21, and the bellmouth free section 13 is arranged towards the direction close to the bellmouth self-locking section 12 in an inclined structure with gradually increased wall thickness, and the inclination angle is 5-15 degrees.

Socket 3 includes socket changeover portion 31, socket from lock section 32, socket free section 33 in proper order, and the position that pipeline body 2 is located and is connected with socket changeover portion 31 constitutes second pipe wall 22, socket free section 33 is the slope structure setting that the wall thickness increases gradually and inclination is 5-15 towards being close to socket from lock section 32 direction.

The socket transition section 31 is provided with a sealing groove 311 for placing a sealing ring 4, the sealing groove 311 is a circular groove, the sealing ring 4 is arranged in the sealing groove 311, and it should be noted here that the cross section of the sealing groove 311 may be square, V-shaped or other geometric figures, and mainly the shape of the sealing ring 4 is matched with the shape of the sealing groove 311.

The socket self-locking section 12 and the spigot self-locking section 32 can be locked with each other, when the two are locked, the contact part of the sealing ring 4 and the socket free section 13 is surface contact, it should be noted here that the two can be line contact, and in order to improve the sealing performance, the surface contact is preferred, that is, the side of the sealing ring 4 close to the socket free section 13 is arranged in an inclined plane shape.

When the socket self-locking section 12 and the socket self-locking section 32 are locked, the socket transition section 31 and the socket free section 13 are arranged in parallel, a first reserved movable gap is arranged between the end part of the socket free section 13 and the second pipe wall 22, a second reserved movable gap is arranged between the end part of the socket free section 33 and the first pipe wall 21, and the length from the sealing groove 311 to the second pipe wall 22 is greater than that of the first reserved movable gap. It should be noted here that the first and second reserved play gaps may not be reserved, but this is not favorable for the sealing performance of the drain pipe when thermal expansion and cold contraction occur, and is also not convenient for the locking installation of the socket self-locking section 12 and the socket self-locking section 32, so a certain play gap is preferably reserved.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.

Claims

1. A self-locking type pull-top solid-wall drain pipe comprises a bellmouth, a pipeline body and a socket which are integrally formed in sequence, wherein the bellmouth sequentially comprises a bellmouth transition section, a bellmouth self-locking section and a bellmouth free section along the direction from the pipeline body to the bellmouth, and the position of the pipeline body connected with the bellmouth transition section forms a first pipe wall;

the socket comprises a socket transition section, a socket self-locking section and a socket free section in sequence, and the position of the pipeline body connected with the socket transition section forms a second pipe wall; socket is from locking section and socket from locking section can lock its characterized in that each other:

the bellmouth free section is the slope structure setting that the wall thickness increases gradually towards being close to the bellmouth from lock section orientation, the slope structure setting that the wall thickness increases gradually is from lock section orientation towards being close to the socket in socket free section, and the slope structure setting that the wall thickness increases gradually is towards being close to pipeline body orientation in socket changeover portion, and the socket changeover portion is equipped with the sealed recess that is used for placing the sealing washer.

2. The self-locking pull-top solid-wall drain pipe according to claim 1, wherein: the bell mouth free section is arranged in an inclined structure towards the direction close to the bell mouth self-locking section, the inclination angle is 5-15 degrees, and when the bell mouth self-locking section and the socket self-locking section are locked, the socket transition section and the bell mouth free section are arranged in parallel.

3. The self-locking pull-top solid-wall drain pipe according to claim 1 or 2, wherein: when the socket self-locking section and the socket self-locking section are locked, a first reserved movable gap is arranged between the end part of the socket free section and the second pipe wall, a second reserved movable gap is arranged between the end part of the socket free section and the first pipe wall, and the length from the sealing groove to the second pipe wall is greater than that of the first reserved movable gap.

4. The self-locking pull-top solid-wall drain pipe according to claim 1 or 2, wherein: the sealing groove is a circular groove, a sealing ring is arranged in the sealing groove, and the contact part of the sealing ring and the free section of the bellmouth is in surface contact.