CN219755603U

CN219755603U - Flame-retardant PP pipe

Info

Publication number: CN219755603U
Application number: CN202320847533.8U
Authority: CN
Inventors: 颜茂清; 林飞; 颜茂坤; 朱文霞
Original assignee: Hangzhou Hongshun Pipe Industry Co ltd
Current assignee: Hangzhou Hongshun Pipe Industry Co ltd
Priority date: 2023-04-17
Filing date: 2023-04-17
Publication date: 2023-09-26
Anticipated expiration: 2033-04-17

Abstract

The utility model discloses a flame-retardant PP pipe, which comprises an ultraviolet resistant layer, a PP pipe body and a connecting flange, wherein the ultraviolet resistant layer is arranged on the inner side of the back surface of the connecting flange, the PP pipe body is arranged on the outer side of the back surface of the connecting flange, and a first flame-retardant layer is arranged on the inner wall of the ultraviolet resistant layer. According to the utility model, the flame retardant effect of the PP pipe is improved by arranging the first flame retardant layer and the second flame retardant layer, the PP pipe can be prevented from being damaged due to long-term exposure to the irradiation of the sun by the ultraviolet resistant layer, and the staff can add flame retardant water into the water storage layer by arranging the water storage layer, the flame retardant water, the through holes and the one-way valve assembly, and in the use process, if flame burns through the first flame retardant layer and the water storage layer, the flame retardant water flows out to extinguish the flame, so that the flame retardant effect of the PP pipe can be improved in the use process.

Description

Flame-retardant PP pipe

Technical Field

The utility model relates to the technical field of PP pipe equipment, in particular to a flame-retardant PP pipe.

Background

The PP pipe is nontoxic, sanitary, high-temperature resistant and recyclable, is mainly applied to indoor cold and hot water supply systems of buildings, is also widely applied to heating systems, and has the characteristics of no corrosion, wear resistance, no scaling, vibration and noise reduction, frost cracking resistance, dew resistance, less heat loss, simple installation, long service life, wide application in the industry and is one of common polymer materials.

In the use process of the existing PP pipe, the flame retardance of the PP pipe needs to be improved so as to prevent the technical problem that the PP pipe is damaged or fire disaster occurs due to the fact that the PP pipe is sputtered by a flame at a higher temperature or accidentally.

In view of this, it is necessary to develop a flame retardant PP pipe, and further to be able to improve the flame retardancy of the PP pipe during use.

Disclosure of Invention

The utility model aims to provide a flame-retardant PP pipe, which solves the technical problem that the PP pipe is damaged or fire disaster is caused by sputtering at a higher temperature or by unexpected flame in the prior art.

In order to achieve the above purpose, the utility model provides a flame-retardant PP pipe, which comprises an ultraviolet resistant layer, a PP pipe body and a connecting flange, wherein the ultraviolet resistant layer is arranged on the inner side of the back surface of the connecting flange, and the PP pipe body is arranged on the outer side of the back surface of the connecting flange;

a first flame-retardant layer is arranged on the inner wall of the ultraviolet-resistant layer, and a water storage layer is arranged on the inner wall of the first flame-retardant layer;

the inner wall of the water storage layer is filled with flame-retardant water, and the inner wall of the water storage layer is provided with a second flame-retardant layer.

Preferably, the inner wall of the PP pipe body is provided with an anti-corrosion layer, and the outer wall of the PP pipe body is provided with a reinforcing layer.

Preferably, the outer side of the front face of the connecting flange is provided with a plurality of fixing holes, and the inner side of the front face of the connecting flange is provided with a sealing ring.

Preferably, the through holes are formed in the outer walls of the ultraviolet resistant layer and the first flame retardant layer, and one end of each through hole is formed in the outer wall of the water storage layer.

Preferably, the one-way valve assembly is mounted on the inner wall of the through hole.

Preferably, the outer wall of the reinforcing layer is provided with a buffer layer, and the outer wall of the buffer layer is arranged on the inner wall of the second flame retardant layer.

Preferably, the inner wall of the fixing hole is provided with a fixing bolt.

Compared with the prior art, the utility model has the following beneficial effects:

according to the utility model, the flame retardant effect of the PP pipe is improved by arranging the first flame retardant layer and the second flame retardant layer, the PP pipe can be prevented from being damaged due to long-term exposure to the irradiation of the sun by the ultraviolet resistant layer, and the staff can add flame retardant water into the water storage layer by arranging the water storage layer, the flame retardant water, the through holes and the one-way valve assembly, and in the use process, if flame burns through the first flame retardant layer and the water storage layer, the flame retardant water flows out to extinguish the flame, so that the flame retardant effect of the PP pipe can be improved in the use process.

According to the utility model, through the arrangement of the PP pipe body and the anti-corrosion layer, the PP pipe body has the characteristics of good corrosion resistance and wear resistance, and through adding the anti-corrosion layer on one side in the PP pipe body, the effects of corrosion resistance, acid resistance and alkaline resistance can be further improved, the service life of the PP pipe body is further improved, the reinforcing layer and the buffer layer are beneficial to improving the overall strength of the PP pipe body, and through the arrangement of the connecting flange, the sealing ring, the fixing hole and the fixing bolt, the tightness of the connection of two PP pipes is improved, and the phenomena of water leakage and the like at the connection position of the PP pipes are avoided.

Drawings

FIG. 1 is a perspective view of the overall structure of the present utility model;

FIG. 2 is a schematic diagram of a connection method according to the present utility model;

FIG. 3 is a schematic view of the structure of the UV resistant layer of the present utility model;

fig. 4 is a schematic view of a through hole structure according to the present utility model.

In the figure: 1. an ultraviolet resistant layer; 2. a PP tube body; 3. a connecting flange; 101. a first flame retardant layer; 102. a water storage layer; 103. flame-retardant water; 104. a second flame retardant layer; 201. an anti-corrosion layer; 202. a reinforcing layer; 301. a fixing hole; 302. a seal ring; 401. a through hole; 501. a one-way valve assembly; 601. a buffer layer; 701. and (5) fixing bolts.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1, an embodiment of the utility model provides a flame retardant PP pipe, which comprises an anti-ultraviolet layer 1, a PP pipe body 2 and a connecting flange 3, wherein the anti-ultraviolet layer 1 is installed on the inner side of the back surface of the connecting flange 3, and the PP pipe body 2 is installed on the outer side of the back surface of the connecting flange 3;

referring to fig. 1, fig. 2, fig. 3 and fig. 4, the first flame retardant layer 101 is installed on the inner wall of the ultraviolet resistant layer 1, the water storage layer 102 is installed on the inner wall of the first flame retardant layer 101, the flame retardant water 103 is filled in the inner wall of the water storage layer 102, the second flame retardant layer 104 is installed on the inner wall of the water storage layer 102, the through holes 401 are formed in the outer walls of the ultraviolet resistant layer 1 and the first flame retardant layer 101, one end of each through hole 401 is formed in the outer wall of the water storage layer 102, the one-way valve assembly 501 is installed on the inner wall of each through hole 401, the flame retardant effect of the PP pipe is improved through the arrangement of the first flame retardant layer 101 and the second flame retardant layer 104, the PP pipe can be prevented from being damaged due to long-term exposure to the irradiation of the sun through the ultraviolet resistant layer 1, and the flame retardant water 103 can be added into the water storage layer 102 through the arrangement of the one-way valve assembly 501 and the through holes 401;

referring to fig. 1, fig. 2 and fig. 3, the anti-corrosion layer 201 is installed on the inner wall of the PP pipe body 2, the reinforcing layer 202 is installed on the outer wall of the PP pipe body 2, the plurality of fixing holes 301 are formed in the outer side of the front face of the connecting flange 3, the sealing ring 302 is installed on the inner side of the front face of the connecting flange 3, the buffer layer 601 is installed on the outer wall of the reinforcing layer 202, the outer wall of the buffer layer 601 is installed on the inner wall of the second flame retardant layer 104, the fixing bolts 701 are installed on the inner wall of the fixing holes 301, the PP pipe body 2 has the characteristics of good corrosion resistance and abrasion resistance, the anti-corrosion effect, the anti-acid effect and the anti-alkaline effect can be further improved by adding the anti-corrosion layer 201 on one side in the PP pipe body 2, the overall strength of the PP pipe body 2 can be further improved, the anti-corrosion effect and the anti-alkaline effect can be improved, the overall strength of the PP pipe body 2 can be improved by the fixing holes 301 and the fixing bolts, the fixing holes 302 and the fixing bolts can be arranged, the fixing holes 701 are beneficial to improve the tightness of the connection of the two PP pipes, and the PP pipe connection phenomenon can be avoided, and the water leakage phenomenon can be avoided.

The theory of operation, through the setting on first fire-retardant layer 101 and second fire-retardant layer 104, be favorable to improving the flame retardant efficiency of PP pipe, can avoid the PP pipe through ultraviolet resistant layer 1, because of exposing under the irradiation of sun for a long time, and the problem of damage, through the setting of water storage layer 102, fire-retardant water 103, through-hole 401 and check valve subassembly 501, the staff can be through the setting of check valve subassembly 501 and through-hole 401, add fire-retardant water 103 in to water storage layer 102, in the use, if have the flame burn out behind first fire-retardant layer 101 and the water storage layer 102, fire-retardant water 103 flows out and can put out the effect that the flame, and then can play the effect that improves its fire resistance at the PP pipe in the use, through the setting of PP pipe body 2 and anticorrosive layer 201, PP pipe body 2 itself just has good corrosion-resistant, stand wear and tear characteristics, through the inside at PP pipe body 2 adds one side anticorrosive layer 201, can further improve anticorrosive, the effect of acid-proof and alkaline-proof liquid, be favorable to further improve the life of PP pipe body 2, reinforcing layer 202 and buffer layer 601 are favorable to improve the PP pipe 2, the intensity of the PP pipe is favorable to improve the joint through the PP pipe 302, the flange is connected with the flange is equipped with the sealing washer 301, the sealing washer is located to the fixed connection when the fixed connection is easy to appear in the use, the sealing joint is easy to the joint is located to the joint, the joint is easy to the pipe has high, and has high performance, and has high safety.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a fire-retardant formula PP pipe, includes ultraviolet resistance layer (1), PP pipe body (2) and flange (3), its characterized in that: an ultraviolet-resistant layer (1) is arranged on the inner side of the back surface of the connecting flange (3), and a PP pipe body (2) is arranged on the outer side of the back surface of the connecting flange (3);

a first flame-retardant layer (101) is arranged on the inner wall of the ultraviolet-resistant layer (1), and a water storage layer (102) is arranged on the inner wall of the first flame-retardant layer (101);

the inner wall of the water storage layer (102) is filled with flame-retardant water (103), and the inner wall of the water storage layer (102) is provided with a second flame-retardant layer (104).

2. The flame retardant PP pipe of claim 1, wherein: an anti-corrosion layer (201) is arranged on the inner wall of the PP pipe body (2), and a reinforcing layer (202) is arranged on the outer wall of the PP pipe body (2).

3. The flame retardant PP pipe of claim 1, wherein: the outer side of the front face of the connecting flange (3) is provided with a plurality of fixing holes (301), and the inner side of the front face of the connecting flange (3) is provided with a sealing ring (302).

4. The flame retardant PP pipe of claim 1, wherein: the ultraviolet resistant layer (1) and the outer wall of the first flame retardant layer (101) are provided with through holes (401), and one end of each through hole (401) is arranged on the outer wall of the water storage layer (102).

5. The flame retardant PP pipe of claim 4, wherein: a one-way valve assembly (501) is mounted on the inner wall of the through hole (401).

6. The flame retardant PP pipe of claim 2, wherein: the outer wall of the reinforcing layer (202) is provided with a buffer layer (601), and the outer wall of the buffer layer (601) is arranged on the inner wall of the second flame retardant layer (104).

7. A flame retardant PP pipe according to claim 3, characterized in that: the inner wall of the fixing hole (301) is provided with a fixing bolt (701).