CN215769158U

CN215769158U - Reinforced silicon core pipe with flame retardant function

Info

Publication number: CN215769158U
Application number: CN202122493209.4U
Authority: CN
Inventors: 房建功
Original assignee: Shandong Luther Transportation Technology Co ltd
Current assignee: Shandong Luther Transportation Technology Co ltd
Priority date: 2021-10-15
Filing date: 2021-10-15
Publication date: 2022-02-08
Anticipated expiration: 2031-10-15

Abstract

The utility model discloses a reinforced silicon core pipe with a flame retardant function, which comprises a solid lubricating layer and a high-density polyethylene layer, wherein a bonding layer is arranged on the outer side of the solid lubricating layer, an inner flame retardant layer is bonded on the outer side of the bonding layer, the high-density polyethylene layer is arranged on the outer side of the inner flame retardant layer, a flame retardant layer is bonded on the outer side of the high-density polyethylene layer, a heat insulating layer is arranged on the outer side of the flame retardant layer, an outer flame retardant layer is arranged on the outer side of the heat insulating layer, a protective layer is arranged on the outer side of the outer flame retardant layer, a buffer layer is arranged on the outer side of the protective layer, and a pipe wall is bonded on the outer side of the buffer layer. This kind of strenghthened type silicon core pipe with fire-retardant function through the setting on interior fire-retardant layer and outer fire-retardant layer, plays the burning of avoiding inside and outside, through the setting of buffer layer, fire-proof layer and protective layer, can effectively improve the intensity of silicon core pipe, improves its life, has better guard action to the silicon core pipe.

Description

Reinforced silicon core pipe with flame retardant function

Technical Field

The utility model relates to the technical field of silicon core pipes, in particular to a reinforced silicon core pipe with a flame retardant function.

Background

The silicon core pipe is a novel composite pipeline with the inner wall provided with the colloidal silica solid lubricant, has good sealing performance, chemical corrosion resistance and low engineering cost, is widely applied to optical cable communication network systems of highways, railways and the like, and the HDPE silicon core pipe is a novel composite pipeline with the inner wall provided with the colloidal silica solid lubricant, and is called a silicon pipe for short. The method is widely applied to optical cable communication network systems.

At present, when the existing silicon core pipe is used, a high-density polyethylene layer and a core layer are easy to separate, and the silicon core pipe with the structure has low strength and is easy to burn at a high temperature. Therefore, we improve the technology and provide a reinforced silicon core tube with a flame retardant function.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides the following technical scheme:

the utility model relates to a reinforced silicon core pipe with a flame retardant function, which comprises a solid lubricating layer and a high-density polyethylene layer, wherein a bonding layer is arranged on the outer side of the solid lubricating layer, an inner flame retardant layer is bonded on the outer side of the bonding layer, the high-density polyethylene layer is arranged on the outer side of the inner flame retardant layer, a flame retardant layer is bonded on the outer side of the high-density polyethylene layer, a heat insulating layer is arranged on the outer side of the flame retardant layer, an outer flame retardant layer is arranged on the outer side of the heat insulating layer, a protective layer is arranged on the outer side of the outer flame retardant layer, a buffer layer is arranged on the outer side of the protective layer, and a pipe wall is bonded on the outer side of the buffer layer.

In a preferred embodiment of the present invention, a plurality of short glass fibers are added into the solid lubricating layer, and the short glass fibers have a length of millimeter.

As a preferred technical scheme of the utility model, the material of the bonding layer is a PVC-U adhesive material, the inner flame-retardant layer comprises E-VA and a flame retardant, and the material of the flame retardant is antimony oxide.

As a preferable technical solution of the present invention, the flame-retardant layer includes an insulating layer, a reinforcing layer, and a heat dissipation layer, the insulating layer is bonded to an outer side of the high-density polyethylene layer, the reinforcing layer is disposed on an outer side of the insulating layer, and the heat dissipation layer is disposed on an outer side of the reinforcing layer.

As a preferable technical scheme of the utility model, a plurality of V-shaped reinforcing ribs are arranged in the reinforcing layer, and the V-shaped reinforcing ribs are uniformly distributed on the outer side of the insulating layer in an annular shape.

As a preferred technical scheme of the utility model, the heat insulation layer is made of ceramic micro-bubble heat insulation paint, and the outer flame-retardant layer is made of magnesium hydroxide.

As a preferable technical scheme of the utility model, a plurality of arc-shaped rubber blocks are arranged in the buffer layer, and the arc-shaped rubber blocks are uniformly distributed on the outer side of the protective layer in an annular shape.

The utility model has the beneficial effects that:

1. according to the reinforced silicon core pipe with the flame retardant function, the pipe wall and the internal cable can be protected through the arc-shaped rubber block arranged in the buffer layer, namely when the number of filled cables is large or the pipe wall is bent due to external force, the expansion force of the buffer layer compresses the arc-shaped rubber block, so that the elastic force generated by the deformation of the arc-shaped rubber block can play an effective buffering role, and the cable is well protected;

2. according to the reinforced silicon core pipe with the flame-retardant function, internal combustion caused by short circuit of a cable can be prevented through the arrangement of the internal flame-retardant layer, external combustion can be prevented through the arrangement of the external flame-retardant layer, the silicon core pipe is well protected, and the service life of the silicon core pipe is prolonged;

3. this kind of strenghthened type silicon core pipe with fire-retardant function, through the setting of the V-arrangement strengthening rib of carbon fiber material and the protective layer that adopts thin steel wire armor, can effectively improve the physical strength of silicon core pipe, improve its life.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic perspective view of a reinforced silicon core tube with flame retardant function according to the present invention;

FIG. 2 is a schematic cross-sectional view of a reinforced silicon core tube with flame retardant function according to the present invention;

FIG. 3 is a schematic cross-sectional view of a flame-retardant layer of a reinforced silicon core tube with flame-retardant function according to the present invention;

fig. 4 is a schematic structural diagram of a protective layer of a reinforced silicon core tube with a flame retardant function according to the utility model.

In the figure: 1. a solid lubricating layer; 2. a high density polyethylene layer; 3. a bonding layer; 4. an inner flame retardant layer; 5. a flame-retardant layer; 501. an insulating layer; 502. a reinforcement layer; 503. a heat dissipation layer; 504. a V-shaped reinforcing rib; 6. a thermal insulation layer; 7. an outer flame retardant layer; 8. a protective layer; 9. a buffer layer; 901. an arc-shaped rubber block; 10. the pipe wall.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

Example (b): as shown in fig. 1-4, the reinforced silicon core tube with flame retardant function of the present invention comprises a solid lubricating layer 1 and a high density polyethylene layer 2, wherein an adhesive layer 3 is arranged on the outer side of the solid lubricating layer 1, an inner flame retardant layer 4 is bonded on the outer side of the adhesive layer 3, the high density polyethylene layer 2 is arranged on the outer side of the inner flame retardant layer 4, a flame retardant layer 5 is bonded on the outer side of the high density polyethylene layer 2, a thermal insulation layer 6 is arranged on the outer side of the flame retardant layer 5, an outer flame retardant layer 7 is arranged on the outer side of the thermal insulation layer 6, a protective layer 8 is arranged on the outer side of the outer flame retardant layer 7, a buffer layer 9 is arranged on the outer side of the protective layer 8, and a tube wall 10 is bonded on the outer side of the buffer layer 9.

The solid lubricating layer 1 is internally added with a plurality of short glass fibers, the length of the short glass fibers is 3 mm, and when the solid lubricating layer is used, the short glass fibers are added into the solid lubricating layer 1, so that the strength of the silicon core tube can be improved.

The material of the bonding layer 3 is a PVC-U adhesive material, the PVC-U adhesive has the advantages of high bonding strength, good sealing performance, cold and heat resistance, strong medium resistance and the like, the bonding property between the solid lubricating layer 1 and the inner flame retardant layer 4 can be improved, the inner flame retardant layer 4 comprises E-VA and a flame retardant, the flame retardant is antimony oxide, when the flame retardant is used, internal combustion caused by cable short circuit can be prevented through the arrangement of the inner flame retardant layer 4, the silicon core tube is well protected, and the service life of the silicon core tube is prolonged.

Wherein, flame retardant coating 5 includes insulating layer 501, reinforced layer 502 and heat dissipation layer 503, and when using, insulating layer 501 is the asbestos gauge material, can have good tensile strength and good heat-proof and corrosion protection nature, and is difficult for burning, and insulating layer 501 bonds in the outside on high density polyethylene layer 2, and reinforced layer 502 sets up in the outside of insulating layer 501, and heat dissipation layer 503 sets up in the outside of reinforced layer 502, and when using, the effect that can play the radiating of heat dissipation layer 503.

Wherein, be equipped with a plurality of V-arrangement strengthening rib 504 in the reinforced layer 502, V-arrangement strengthening rib 504 is annular evenly distributed in the outside of insulating layer 501, and when using, V-arrangement strengthening rib 504 is the carbon fiber material, and high performance carbon fiber has matter light, high strength, high modulus, high temperature resistant, corrosion-resistant, antiscour and sputter and good, can improve the intensity of silicon core pipe.

Wherein, the material of insulating layer 6 is ceramic microbubble thermal barrier coating, can satisfy the thermal-insulated effect of silicon core pipe, and the material of outer fire-retardant layer 7 is magnesium hydroxide, and magnesium hydroxide is a novel filling type fire retardant, can release the bound water when being heated and decomposing, absorbs a large amount of latent heats, reduces surface temperature's effect.

Wherein, be equipped with a plurality of arc block rubber 901 in the buffer layer 9, arc block rubber 901 is annular evenly distributed in the outside of protective layer 8, when using, through buffer layer 9's setting, can play the effect of protecting pipe wall 10 and inside cable.

The working principle is as follows: when using, place the cable in the inboard of solid lubricant layer 1, the arc rubber piece 901 that sets up in buffer layer 9 can protect pipe wall 10 and inside cable, pack the cable when more or pipe wall 10 takes place to buckle because of external force promptly, buffer layer 9's expansion force compression arc rubber piece 901, the elasticity that makes arc rubber piece 901 deformation produce can play effectual cushioning effect, there is better protection to the cable, the interior fire-retardant layer 4 that sets up simultaneously can prevent to take place inside burning because of the cable short circuit, and outer fire-retardant layer 7 can prevent that the outside from taking place the burning, there is better protection to the silicon core pipe, improve its life, the V-arrangement strengthening rib 504 of the carbon fiber material that sets up and the protective layer 8 that adopts thin steel wire armor, can effectively improve the physical strength of silicon core pipe, improve its life.

Finally, it should be noted that: in the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a strenghthened type silicon core pipe with fire-retardant function, includes solid lubricant layer (1) and high density polyethylene layer (2), its characterized in that, the outside of solid lubricant layer (1) is provided with tie coat (3), the outside of tie coat (3) bonds and has interior fire-retardant layer (4), the outside of fire-retardant layer (4) including high density polyethylene layer (2) set up, the outside on high density polyethylene layer (2) bonds and has flame retardant coating (5), the outside on flame retardant coating (5) is provided with insulating layer (6), the outside of insulating layer (6) is provided with outer fire-retardant layer (7), the outside on outer fire-retardant layer (7) is provided with protective layer (8), the outside of protective layer (8) is provided with buffer layer (9), the outside of buffer layer (9) bonds and has pipe wall (10).

2. The reinforced silicon core tube with the flame retardant function as recited in claim 1, wherein a plurality of glass short fibers are added inside the solid lubricating layer (1), and the length of the glass short fibers is 3 mm.

3. The reinforced silicon core tube with the flame retardant function as recited in claim 1, wherein the bonding layer (3) is made of a PVC-U adhesive material, the inner flame retardant layer (4) comprises E-VA and a flame retardant, and the flame retardant is made of antimony oxide.

4. The reinforced silicon core pipe with the flame retardant function as recited in claim 1, wherein the flame retardant layer (5) comprises an insulating layer (501), a reinforcing layer (502) and a heat dissipation layer (503), the insulating layer (501) is bonded on the outer side of the high density polyethylene layer (2), the reinforcing layer (502) is arranged on the outer side of the insulating layer (501), and the heat dissipation layer (503) is arranged on the outer side of the reinforcing layer (502).

5. The reinforced silicon core tube with the flame retardant function as recited in claim 4, wherein a plurality of V-shaped reinforcing ribs (504) are arranged in the reinforcing layer (502), and the V-shaped reinforcing ribs (504) are uniformly distributed on the outer side of the insulating layer (501) in an annular shape.

6. The reinforced silicon core tube with the flame retardant function as recited in claim 1, wherein the heat insulating layer (6) is made of ceramic micro-bubble heat insulating paint, and the outer flame retardant layer (7) is made of magnesium hydroxide.

7. The reinforced silicon core tube with the flame retardant function as recited in claim 1, wherein a plurality of arc-shaped rubber blocks (901) are arranged in the buffer layer (9), and the arc-shaped rubber blocks (901) are uniformly distributed on the outer side of the protective layer (8) in an annular shape.