CN212078170U

CN212078170U - Novel PE straight wall pipe expansion-proof protection device

Info

Publication number: CN212078170U
Application number: CN202020083313.9U
Authority: CN
Inventors: 孙玲玲
Original assignee: Individual
Current assignee: Hubei Taige Plastic Co ltd
Priority date: 2020-01-15
Filing date: 2020-01-15
Publication date: 2020-12-04
Anticipated expiration: 2030-01-15

Abstract

The utility model provides a novel protection that expands is prevented to straight wall pipe of PE belongs to PE technical field, including first connecting pipe and second connecting pipe, the hookup location of first connecting pipe and second connecting pipe is fixed to have been cup jointed protective tube cover and is connected the outer tube, connects the both ends position that the outer tube is located protective tube cover, connects the bottom position fixedly connected with location strip of outer tube, and protective tube cover's fixed surface sets up the concave surface, and protective tube cover's inside embedding is provided with first supporting shoe and second supporting shoe. Through the location strip of connecting outer tube and bottom position, when using, after protection pipe box and connection pipe fitting cup joint, fix both, the embedded connection protection pipe box that connects of location strip simultaneously guarantees to connect the closure, through first supporting shoe, after protection pipe box will connect the pipe fitting and connect, adapts to along with the thickness change of connecting the pipe fitting pipe wall and the breathing change of connecting the pipe fitting, prevents to connect the pipe fitting and breaks, guarantees the closure.

Description

Novel PE straight wall pipe expansion-proof protection device

Technical Field

The utility model relates to a PE technical field, more specifically relates to a novel protection of expanding is prevented to straight wall pipe of PE device.

Background

PE is polyethylene plastic, and the PE material is widely applied to the field of water supply and drainage manufacturing due to the characteristics of high strength, high temperature resistance, corrosion resistance, no toxicity, wear resistance and the like, and the PE water supply and drainage pipe cannot rust and is an ideal pipe for replacing a common iron water supply and drainage pipe.

The straight wall pipe has strong pressure bearing capacity, is a special pipeline for a large-scale drainage and sewage pipe network, the connection strength between the pipelines is an important index for ensuring the effective work of a drainage and sewage system, and the PE pipe has good bearing performance and poor toughness bearing performance. Because PE's the toughness that holds can be relatively poor, after PE mutual fixed connection, the PE pipe is when dealing with expend with heat and contract with cold's phenomenon, and the pipeline shrinks each other when especially contracting with cold causes the connection fracture between the pipeline easily to lead to the drain pipe to leak.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem in the background to provide a novel protection that expands is prevented to PE straight wall pipe device.

In order to achieve the above object, the utility model provides a following technical scheme: comprises a first connecting pipe and a second connecting pipe, wherein the connecting position of the first connecting pipe and the second connecting pipe is fixedly sleeved with a protective pipe sleeve and a connecting outer pipe, the connecting outer pipe is positioned at the two ends of the protective pipe sleeve, the bottom end position of the connecting outer pipe is fixedly connected with a positioning strip, the surface of the protective pipe sleeve is fixedly provided with a concave surface, a first supporting block and a second supporting block are embedded in the protective pipe sleeve, the inner side position of the protective pipe sleeve is fixedly connected with a reinforcing layer, the reinforcing layer is divided into two groups and positioned at the two ends of the inner side of the protective pipe sleeve,

preferably, the connecting outer pipe is embedded in the protective pipe sleeve through a positioning sleeve, and the connecting outer pipe and the connecting pipe fitting are in spiral connection.

Preferably, the thickness of the pipe wall of the connecting outer pipe is smaller than that of the protective pipe sleeve.

Preferably, the positioning strips are arranged in a protruding mode and connected with the outer pipe, and the two positioning strips are arranged in a group and are arranged in a semicircular mode.

Preferably, the first supporting blocks are arranged in four, two in one group and located at two vertical sides of the inner side of the protective pipe sleeve.

Preferably, the inner end surface of the first supporting block is gradually inclined downwards, and the first supporting block is connected with the reinforcing layer through a compression spring.

Preferably, the second supporting block is arranged between each group of the first supporting blocks, and the second supporting block is a rubber block.

The utility model provides a novel PE straight wall pipe prevents protection that expands device has following beneficial effect:

1. this kind of novel protection device that expands is prevented to straight wall pipe of PE through the location strip of connecting outer tube and bottom position, when using, after protection pipe box and connection pipe fitting cup joint, fixes both, and the closure is connected in the embedded connection protection pipe box of location strip simultaneously.

2. This kind of novel protection that expands is prevented to straight wall pipe of PE through first supporting shoe, after the protection pipe box will be connected the pipe fitting and connect, along with the thickness change of connecting the pipe fitting pipe wall and the breathing change of connecting the pipe fitting adapt to, prevent to connect the pipe fitting and break, guarantee the closure.

3. This kind of novel protection device that expands is prevented to straight wall pipe of PE through the second supporting shoe, when connecting the pipe fitting, guarantees hookup location's closure.

Drawings

Fig. 1 is a cross-sectional view of the overall structure of the present invention.

Fig. 2 is an exploded view of the connection structure of the protective tube sleeve of the present invention.

Fig. 3 is a sectional view of the inner structure of the protective sleeve of the present invention.

In FIGS. 1-3: 1-a first connecting pipe, 2-a protective pipe sleeve, 3-a connecting outer pipe, 4-a second connecting pipe, 5-a positioning strip, 6-a concave surface, 7-a first supporting block, 8-a second supporting block, 9-a positioning groove and 10-a reinforcing layer.

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 to 3, in the embodiment of the present invention, a novel PE straight-wall pipe expansion-prevention protection device comprises a first connection pipe 1 and a second connection pipe 4, a protection pipe sleeve 2 and a connection outer pipe 3 are fixedly connected to the connection position of the first connection pipe 1 and the second connection pipe 3, the connection outer pipe 3 is located at the two ends of the protection pipe sleeve 2, a positioning bar 5 is fixedly connected to the bottom end position of the connection outer pipe 3, a concave surface 6 is fixedly arranged on the surface of the protection pipe sleeve 2, a first supporting block 7 and a second supporting block 8 are embedded inside the protection pipe sleeve 2, a reinforcing layer 10 is fixedly connected to the inner side position of the protection pipe sleeve 2, two reinforcing layers 10 are combined and located at the two inner ends of the protection pipe sleeve 2,

in this embodiment, the connecting outer tube 3 is embedded in the protecting tube sleeve 2 through the positioning sleeve 5, and the connecting outer tube 3 and the connecting pipe are connected in a spiral manner.

In this embodiment, the thickness of the connecting outer tube 3 is smaller than that of the protective tube sheath 2.

In this embodiment, the setting of the outer tube 3 is connected in the 5 outstanding connection in location strip, and location strip 5 two are a set of, is the annular setting of semicircle, through the location strip 5 of connecting outer tube 3 and bottom position, when using, after protective tube sleeve 2 cup joints with the connection pipe fitting, fixes both, and the closure is connected in the embedded connection protective tube sleeve 2 of 5 location strips simultaneously.

In this embodiment, the first supporting blocks 7 are arranged in four, two in one group, and are located at two vertical sides of the inner side of the protective pipe sleeve 2.

In this embodiment, the inner surface of first supporting block 7 is the slope setting gradually that inclines down, connects through compression spring between first supporting block 7 and the back up coat 10, through first supporting block 7, after protective tube sleeve 2 will be connected the pipe fitting and connect, along with the thickness change of connecting the pipe fitting pipe wall and the breathing change of connecting the pipe fitting adapt to, prevent to connect the pipe fitting and break, guarantee the closure.

In this embodiment, the second supporting block 8 is located between the first supporting block 7 of every group, and the second supporting block 8 sets up to the block rubber, through second supporting block 8, when connecting the pipe fitting, guarantees the closure of hookup location.

When the novel PE straight-wall pipe expansion-proof protection device is used, firstly, after a user connects the first connecting pipe 1 and the second connecting pipe 4, the protective pipe sleeve 2 is sleeved at the connecting position of the two sections of connecting pipes, then a user is used to lead the connecting outer pipe 3 to be spirally sleeved at the surface position of the two sections of connecting pipes, meanwhile, the positioning strip 5 connected with the bottom end of the outer tube 3 is correspondingly embedded into the positioning groove 9 on the surface of the top end of the protective tube sleeve 2 to complete the connection of the whole device, when connecting each section part, the hookup location of two sections connecting pipes is when the inside cold and hot breathing that carries on of protective tube cover 2, outwards applys pressure to first supporting block 7, and first supporting block 7 pressurized is inwards shrunk, follows the breathing of connecting pipe part and adjusts, prevents that the body from breaking, and second supporting block 8 seals the hookup location simultaneously.

The above is only the preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, without departing from the concept of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent.

Claims

1. The utility model provides a novel protection that expands is prevented to PE straight-walled pipe, includes first connecting pipe (1) and second connecting pipe (4), its characterized in that: the fixed cover in the hookup location of first connecting pipe (1) and second connecting pipe (4) has been connected protection pipe box (2) and has been connected outer tube (3), it is located the both ends position of protection pipe box (2) to connect outer tube (3), the bottom position fixedly connected with location strip (5) of connecting outer tube (3), the fixed surface of protection pipe box (2) sets up concave surface (6), the inside embedding of protection pipe box (2) is provided with first supporting shoe (7) and second supporting shoe (8), the inboard fixed connection in position of protection pipe box (2) has back up coat (10), back up coat (10) are two a set of, be located the inboard both ends position of protection pipe box (2).

2. The novel PE straight-wall pipe anti-expansion protection device according to claim 1, wherein: the connecting outer pipe (3) is embedded in the protective pipe sleeve (2) through a positioning strip (5), and the connecting outer pipe (3) is in spiral connection with the connecting pipe fitting.

3. The new PE straight wall pipe anti-expansion protection device according to any of claims 1 and 2, characterized by: the pipe wall thickness of the connecting outer pipe (3) is smaller than that of the protective pipe sleeve (2).

4. The novel PE straight-wall pipe anti-expansion protection device according to claim 1, wherein: the positioning strips (5) are connected with the outer pipe (3) in a protruding mode, and the two positioning strips (5) are in a group and are arranged in a semicircular mode.

5. The novel PE straight-wall pipe anti-expansion protection device according to claim 1, wherein: the first supporting blocks (7) are four in number and two in one group and are located on the two vertical sides of the inner side of the protective pipe sleeve (2).

6. The new PE straight wall pipe anti-expansion protection device according to any one of claims 1 and 5, characterized in that: the inner end surface of the first supporting block (7) is gradually inclined downwards, and the first supporting block (7) is connected with the reinforcing layer (10) through a compression spring.

7. The novel PE straight-wall pipe anti-expansion protection device according to claim 1, wherein: the second supporting blocks (8) are located between each group of the first supporting blocks (7), and the second supporting blocks (8) are rubber blocks.