CN213299247U

CN213299247U - Fire-resistant flame-retardant PE pipe

Info

Publication number: CN213299247U
Application number: CN202021952048.XU
Authority: CN
Inventors: 鞠亮
Original assignee: Wuhan Taide Yixin Pipe Industry Co ltd
Current assignee: Wuhan Taide Yixin Pipe Industry Co ltd
Priority date: 2020-09-09
Filing date: 2020-09-09
Publication date: 2021-05-28
Anticipated expiration: 2030-09-09

Abstract

The utility model relates to a PE manages technical field, and discloses a fire-resistant fire-retardant PE pipe, the female joint comprises an outer pipe, the circumference outside fixed mounting of outer tube has fire-retardant layer, the inside fixed cup joint of outer tube has the inner core pipe, fixed mounting has inoxidizing coating one and inoxidizing coating two between outer tube and the inner core pipe, fixed mounting has the cotton layer of heat preservation between inoxidizing coating one and the inoxidizing coating two. This kind of fire-resistant fire-retardant PE pipe, there is fire-retardant layer at the circumference outside fixed mounting of outer tube, fire-retardant layer is made for the polyvinyl chloride material, the polyvinyl chloride material has good flame retardant efficiency, fire resistance and fire behaviour that can effectual reinforcing PE pipeline, when the conflagration breaing out, fire-retardant layer can prevent pipeline burning and damage, make the security performance of PE pipeline higher, through the anticorrosive coating of the cotton layer of heat preservation and inner core tube inner wall installation, can effectually prevent that low temperature leads to the cracked and the corruption of the chemical of aquatic of pipeline to the pipeline inner wall.

Description

Fire-resistant flame-retardant PE pipe

Technical Field

The utility model relates to a PE manages technical field, specifically is a fire-resistant fire-retardant PE pipe.

Background

The PE pipe is made by mixing polyvinyl chloride resin with stabilizer, lubricant and the like and then extruding and molding by a hot pressing method, is a plastic pipe which is developed and applied at the earliest time and can be used for transferring liquid, internal conducting wires and the like.

The existing PE pipeline is poor in fire resistance, when a fire disaster occurs, the pipeline is easy to burn due to poor fire resistance, danger is easy to cause, and when the existing PE pipeline is installed, a plurality of pipelines are usually installed in a welding mode, and the welding mode is troublesome.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a fire-resistant fire-retardant PE pipe possesses fire-resistant fire-retardant, the security is high, be convenient for advantage such as installation, has solved the problem that the background art provided.

(II) technical scheme

For the above-mentioned purpose that possesses fire-resistant fire-retardant, the security is high, the installation of being convenient for of realization, the utility model provides a following technical scheme: the utility model provides a fire-resistant fire-retardant PE pipe, includes the outer tube, the circumference outside fixed mounting of outer tube has fire-retardant layer, the fixed cover in inside of outer tube has connect inner core pipe, fixed mounting has inoxidizing coating one and inoxidizing coating two between outer tube and the inner core pipe, fixed mounting has the cotton layer of heat preservation between inoxidizing coating one and the inoxidizing coating two.

Preferably, the outer tube and the inner core tube have two sections, and the two sections are fixedly connected with the inner core tube through a fixing ring and a clamping ring respectively.

Preferably, two clamping blocks are symmetrically installed on two sides of the clamping ring, a groove is formed in the fixing ring, two clamping grooves are correspondingly formed in two sides of the fixing ring, and a sealing ring is fixedly installed on the inner wall of the groove formed in the fixing ring.

Preferably, the flame-retardant layer is made of polyvinyl chloride materials, and the flame-retardant layer is tightly attached to the circumferential outer surface of the outer pipe.

Preferably, the inner core pipe is fixedly provided with an anticorrosive coating on the inner circumferential wall, and the anticorrosive coating is made of epoxy resin.

Preferably, the heat preservation cotton layer is fully filled between the first protective layer and the second protective layer, the outer side of the circumference of the first protective layer is fixedly connected with the inner wall of the outer pipe, and the inner wall of the second protective layer is fixedly connected with the outer side of the circumference of the inner core pipe.

(III) advantageous effects

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. this kind of fire-resistant fire-retardant PE pipe, there is fire-retardant layer at the circumference outside fixed mounting of outer tube, fire-retardant layer is made for the polyvinyl chloride material, the polyvinyl chloride material has good flame retardant efficiency, fire resistance and fire behaviour that can effectual reinforcing PE pipeline, when the conflagration breaing out, fire-retardant layer can prevent pipeline burning and damage, make the security performance of PE pipeline higher, through the anticorrosive coating of the cotton layer of heat preservation and inner core tube inner wall installation, can effectually prevent that low temperature leads to the cracked and the corruption of the chemical of aquatic of pipeline to the pipeline inner wall.

2. This kind of fire-resistant fire-retardant PE pipe, end fixing at one section PE pipe installs solid fixed ring, end fixing of another section has the snap ring, the PE pipeline can correspond the fixture block of snap ring side fixed mounting and the draw-in groove of solid fixed ring both sides seted up when erection joint, then insert the inside rotation of the recess that solid fixed ring was seted up with the snap ring, make two fixture block cards simultaneously go into inside the recess that solid fixed ring was seted up, the sealing washer of the inside concave part installation of solid fixed ring can make the inner core pipe of two sections PE pipelines closely laminate, make the PE pipeline seal effect after connecting better, be convenient for very much install and dismantle the PE pipeline.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic cross-sectional view of FIG. 1 according to the present invention;

fig. 3 is a schematic view of the fixing ring structure of the present invention.

In the figure: 1. an outer tube; 2. a flame retardant layer; 3. a snap ring; 4. a fixing ring; 5. a first protective layer; 6. a heat insulation cotton layer; 7. a second protective layer; 8. an inner core tube; 9. an anticorrosive layer; 10. a clamping block; 11. a card slot; 12. and (5) sealing rings.

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.

Example one

Referring to fig. 1-3, a fire-resistant flame-retardant PE pipe comprises an outer pipe 1, a flame-retardant layer 2 is fixedly mounted on the outer side of the circumference of the outer pipe 1, an inner core pipe 8 is fixedly sleeved inside the outer pipe 1, a first protective layer 5 and a second protective layer 7 are fixedly mounted between the outer pipe 1 and the inner core pipe 8, a thermal insulation cotton layer 6 is fixedly mounted between the first protective layer 5 and the second protective layer 7, the flame-retardant layer 2 is made of polyvinyl chloride material, the polyvinyl chloride material has good flame-retardant effect and can effectively enhance the fire-resistant performance and the flame-retardant performance of the PE pipe, when a fire breaks out, the flame-retardant layer 2 can prevent the pipe from burning and being damaged, so that the safety performance of the PE pipe is higher, the flame-retardant layer 2 is closely attached to the outer surface of the circumference of the outer pipe 1, an anti-corrosion layer 9 is fixedly mounted on the inner wall of the circumference of the inner core pipe 8, the service life of the pipeline can be prolonged, the heat-preservation cotton layer 6 is fully filled between the first protective layer 5 and the second protective layer 7, the outer side of the circumference of the first protective layer 5 is fixedly connected with the inner wall of the outer pipe 1, and the inner wall of the second protective layer 7 is fixedly connected with the outer side of the circumference of the inner core pipe 8.

Example two

Based on the first embodiment, as shown in fig. 1-3, there are two sections of the outer tube 1 and the inner core tube 8, the two sections of the outer tube 1 and the inner core tube 8 are respectively and fixedly connected through the fixing ring 4 and the snap ring 3, two clamping blocks 10 are symmetrically installed on two sides of the snap ring 3, a groove is opened inside the fixing ring 4, two clamping grooves 11 are correspondingly opened on two sides, a sealing ring 12 is fixedly installed on the inner wall of the groove opened inside the fixing ring 4, there are two sections of the pipeline, the fixing ring 4 is fixedly installed on the end of one section of the pipeline, the snap ring 3 is fixedly installed on the end of the other section of the pipeline, the clamping blocks 10 fixedly installed on the side surfaces of the snap ring 3 can correspond to the clamping grooves 11 opened on two sides of the fixing ring 4 when the PE pipeline is installed and connected, then the snap ring 3 is inserted into the groove opened inside the fixing ring 4 to rotate, so that, the PE pipeline after connection has better sealing effect, and is very convenient to install and dismantle the PE pipeline.

The working principle is as follows: the flame-retardant PE pipeline comprises an outer pipe 1, a flame-retardant layer 2 and an inner core pipe 8, wherein the flame-retardant layer 2 is fixedly arranged on the outer side of the circumference of the outer pipe 1, the flame-retardant layer 2 is made of polyvinyl chloride, the polyvinyl chloride has a good flame-retardant effect and can effectively enhance the fire resistance and the flame-retardant property of the PE pipeline, when a fire disaster occurs, the flame-retardant layer 2 can prevent the pipeline from burning and being damaged, the safety performance of the PE pipeline is higher, a first protective layer 5 and a second protective layer 7 are fixedly arranged between the outer pipe 1 and the inner core pipe 8, a heat-insulating cotton layer 6 is uniformly filled between the first protective layer 5 and the second protective layer 7, the heat-insulating cotton layer 6 can play a role of isolating the external temperature, the heat-insulating cotton layer 6 can completely wrap the inner core pipe 8, the inner core pipe 8 can be prevented from being cracked in an environment with lower temperature, an anticorrosive layer 9, can improve the life of pipeline, the pipeline is total two sections, the end fixing of one section pipeline installs solid fixed ring 4, the end fixing of another section installs snap ring 3, the PE pipeline can correspond snap ring 3 side fixed mounting's fixture block 10 and the draw-in groove 11 that solid fixed ring 4 both sides were seted up when erection joint, then insert the inside then rotatory one section pipeline of recess that solid fixed ring 4 was seted up with snap ring 3, make two fixture block 10 card go into inside the recess that solid fixed ring 4 was seted up simultaneously, the sealing washer 12 of the inside recess part installation of solid fixed ring 4 was seted up can make the interior core pipe 8 of two sections PE pipelines closely laminate, make the PE pipe seal effect after connecting better, be convenient for very much install and dismantle the PE pipeline.

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. A fire resistant flame retardant PE pipe comprising an outer pipe (1);

the method is characterized in that:

the circumference outside fixed mounting of outer tube (1) has fire-retardant layer (2), the fixed cover in inside of outer tube (1) has connect inner core pipe (8), fixed mounting has inoxidizing coating (5) and inoxidizing coating two (7) between outer tube (1) and inner core pipe (8), fixed mounting has heat preservation cotton layer (6) between inoxidizing coating one (5) and inoxidizing coating two (7).

2. The flame retardant, fire resistant PE pipe of claim 1 wherein: the outer tube (1) and the inner core tube (8) are provided with two sections, and the outer tube (1) and the inner core tube (8) are fixedly connected through a fixing ring (4) and a clamping ring (3) respectively.

3. The flame-retardant PE pipe according to claim 2, wherein: two clamping blocks (10) are respectively and symmetrically installed on two sides of the clamping ring (3), a groove is formed in the fixing ring (4), two clamping grooves (11) are correspondingly formed in two sides of the fixing ring, and a sealing ring (12) is fixedly installed on the inner wall of the groove formed in the fixing ring (4).

4. The flame retardant, fire resistant PE pipe of claim 1 wherein: the flame-retardant layer (2) is made of polyvinyl chloride materials, and the flame-retardant layer (2) is tightly attached to the outer circumferential surface of the outer pipe (1).

5. The flame retardant, fire resistant PE pipe of claim 1 wherein: the circumference inner wall fixed mounting of inner core pipe (8) has anticorrosive coating (9), the material of anticorrosive coating (9) is epoxy.

6. The flame retardant, fire resistant PE pipe of claim 1 wherein: the heat preservation cotton layer (6) is filled between the first protective layer (5) and the second protective layer (7), the outer side of the circumference of the first protective layer (5) is fixedly connected with the inner wall of the outer pipe (1), and the inner wall of the second protective layer (7) is fixedly connected with the outer side of the circumference of the inner core pipe (8).