CN210744661U

CN210744661U - PVC flame-retardant pipe with circuit protection function

Info

Publication number: CN210744661U
Application number: CN201922348149.XU
Authority: CN
Inventors: 苏立平; 唐宏亮; 王凤根
Original assignee: Hangzhou Fuyang Jindun Plastic Industry Co ltd
Current assignee: Hangzhou Fuyang Jindun Plastic Industry Co ltd
Priority date: 2019-12-24
Filing date: 2019-12-24
Publication date: 2020-06-12
Anticipated expiration: 2029-12-24

Abstract

The utility model discloses a fire-retardant pipe of PVC with line protection function, including PVC pipe and line protection structure, the outside of PVC pipe is provided with fire-retardant temperature structure that separates, the inside movable mounting of PVC pipe has the collar, and the inside of collar is provided with first bunch of wire loop, second bunch of wire loop and third bunch of wire loop, the right side of first bunch of wire loop is provided with second bunch of wire loop, and the right side of second bunch of wire loop is provided with third bunch of wire loop, line protection structure sets up in the inside of first bunch of wire loop, second bunch of wire loop and third bunch of wire loop. This kind of circuit protection architecture that fire-retardant pipe of PVC set up with circuit protection function can play the fixed effect of centre gripping to the inside wire pencil of pipeline to this can guarantee that the orderly distribution of pencil is in each bunch intra-annular, and the pencil that also can avoid individual high temperature short circuit simultaneously causes the influence to other wires, reaches the effect of distinguishing the protection.

Description

PVC flame-retardant pipe with circuit protection function

Technical Field

The utility model relates to a PVC pipeline technical field specifically is a fire-retardant pipe of PVC with circuit protection function.

Background

A PVC pipe (PVC-U pipe) is a plastic pipe which is formed by extrusion by a hot pressing method after polyvinyl chloride resin is matched with a stabilizer, a lubricant and the like and is developed and applied at the earliest time. The PVC-U pipe has strong corrosion resistance, easy adhesion, low price and hard texture, but is only suitable for a water supply system with the conveying temperature not exceeding 45 ℃ due to the seepage of PVC-U monomer and additives.

Traditional PVC pipe does not have fire-retardant thermal-insulated effect to align inside circuit pencil and do not have the effect of protection, can't fix, the inside pencil of pipeline can't obtain the problem of distinguishing separately moreover, for this reason, we propose the fire-retardant pipe of PVC that has the circuit protect function that the practicality is higher.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fire-retardant pipe of PVC with circuit protection function to traditional PVC pipe that proposes in solving above-mentioned background does not have fire-retardant thermal-insulated effect, and aligns the effect that inside circuit pencil does not have the protection, can't fix, and the inside pencil of pipeline can't obtain the problem of distinguishing in addition.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a fire-retardant pipe of PVC with line protection function, includes PVC pipe and line protection structure, the outside of PVC pipe is provided with fire-retardant temperature structure that separates, the inside movable mounting of PVC pipe has the collar, and the inside of collar is provided with first bundle of wire loop, second bundle of wire loop and third bundle of wire loop, the right side of first bundle of wire loop is provided with the second bundle of wire loop, and the right side of second bundle of wire loop is provided with the third bundle of wire loop, line protection structure sets up in the inside of first bundle of wire loop, second bundle of wire loop and third bundle of wire loop.

Preferably, the flame-retardant heat-insulation structure comprises a heat-resistant layer and a heat-insulation finish paint, and the heat-insulation finish paint is arranged on the outer surface of the heat-resistant layer.

Preferably, the inner surface of the heat-resistant layer is in bonding connection with the outer surface of the PVC pipe, the heat-resistant layer is in bonding connection with the heat-insulating finish paint, and the heat-resistant layer is a polytetrafluoroethylene layer

Preferably, the mounting ring, the first wire harness ring, the second wire harness ring and the third wire harness ring are all of an elastic structure, the diameter of the third wire harness ring is larger than that of the second wire harness ring, the diameter of the second wire harness ring is larger than that of the first wire harness ring, and the first wire harness ring and the second wire harness ring are symmetrically arranged in two groups about a horizontal center line of the mounting ring.

Preferably, the line protection structure comprises a clamping block, a connecting rod, an elastic rubber pad and a mounting seat, wherein the elastic rubber pad is mounted inside the mounting seat, the connecting rod is connected to the top end of the elastic rubber pad, and the clamping block is connected to the top end of the connecting rod.

Preferably, the structure of clamp splice is the arc structure, and the clamp splice passes through the connecting rod and constitutes elastic telescopic structure between elastic rubber pad and the mount pad.

Compared with the prior art, the beneficial effects of the utility model are that:

the PVC flame-retardant pipe with the line protection function can play a role in heat resistance and flame retardance on a wire harness inside a pipeline through the flame-retardant and heat-insulation structure arranged on the outer wall of the PVC pipe, so that the influence of high temperature outside the pipeline on the wire of the wire harness inside the pipeline is avoided, and meanwhile, the heat-insulation finish paint sprayed on the outer surface layer can also play a role in corrosion resistance;

the mounting ring of the elastic structure can be detached and replaced in the pipeline, so that a wire harness protection component in the device can be overhauled and maintained, and different circuit wire harnesses can be differentially bound by arranging a first wire harness ring, a second wire harness ring and a third wire harness ring which have different sizes, so that the wire harnesses transmitting different information are prevented from being mixed together;

the circuit protection structure who sets up can play the fixed effect of centre gripping to the inside wire pencil of pipeline to this can guarantee that the orderly distribution of pencil is in each bunch intra-annular, and the pencil that also can avoid individual high temperature short circuit simultaneously leads to the fact the influence to other wires, reaches the effect of distinguishing the protection, has improved the practicality of this kind of PVC fire-retardant pipe with circuit protection function greatly.

Drawings

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

FIG. 2 is a schematic view of the internal structure of the PVC pipe of the present invention;

fig. 3 is a schematic view of a part of an enlarged structure at a in fig. 2 according to the present invention.

In the figure: 1. PVC pipes; 2. a flame-retardant and heat-insulating structure; 201. a heat-resistant layer; 202. heat-insulating finish paint; 3. a mounting ring; 4. a first lacing loop; 5. a second wire-tying ring; 6. a third wire-tying ring; 7. a line protection structure; 701. a clamping block; 702. a connecting rod; 703. an elastic rubber pad; 704. and (7) mounting a seat.

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. 1-3, the present invention provides a technical solution: a PVC flame-retardant pipe with a line protection function comprises a PVC pipe 1, a flame-retardant insulation structure 2, a heat-resistant layer 201, a heat-insulating finish 202, a mounting ring 3, a first loop 4, a second loop 5, a third loop 6, a line protection structure 7, a clamping block 701, a connecting rod 702, an elastic rubber pad 703 and a mounting seat 704, wherein the flame-retardant insulation structure 2 is arranged on the outer side of the PVC pipe 1, the flame-retardant insulation structure 2 comprises the heat-resistant layer 201 and the heat-insulating finish 202, the heat-insulating finish 202 is arranged on the outer surface of the heat-resistant layer 201, the inner surface of the heat-resistant layer 201 and the outer surface of the PVC pipe 1 are in bonding connection, the heat-resistant layer 201 and the heat-insulating finish 202 are in bonding connection, the heat-resistant layer 201 is a polytetrafluoroethylene layer, the flame-retardant effect on wires inside the pipeline can be achieved through the flame-retardant insulation structure 2 arranged on the outer wall of the PVC pipe 1, and the influence of high temperature outside the, meanwhile, the heat insulation finish 202 sprayed on the outer surface layer can also play a role in corrosion prevention;

a mounting ring 3 is movably mounted in a PVC pipe 1, a first wire binding ring 4, a second wire binding ring 5 and a third wire binding ring 6 are arranged in the mounting ring 3, the second wire binding ring 5 is arranged on the right side of the first wire binding ring 4, the third wire binding ring 6 is arranged on the right side of the second wire binding ring 5, the mounting ring 3, the first wire binding ring 4, the second wire binding ring 5 and the third wire binding ring 6 are all elastic structures, the diameter of the third wire binding ring 6 is larger than that of the second wire binding ring 5, the diameter of the second wire binding ring 5 is larger than that of the first wire binding ring 4, the first wire binding ring 4 and the second wire binding ring 5 are symmetrically arranged in two groups about the horizontal center line of the mounting ring 3, the mounting ring 3 with the elastic structure can be detached and replaced in the pipeline, so that a protection component in the device can be overhauled and maintained, and the first wire binding rings 4, the second wire binding rings, the second wire binding, The second wire-binding ring 5 and the third wire-binding ring 6 can respectively bind different circuit wire harnesses in a distinguishing way, so that the wire harnesses transmitting different information are prevented from being mixed together;

the line protection structure 7 is arranged inside the first wire binding ring 4, the second wire binding ring 5 and the third wire binding ring 6, the line protection structure 7 comprises a clamping block 701, a connecting rod 702, an elastic rubber pad 703 and a mounting seat 704, the elastic rubber pad 703 is arranged inside the mounting seat 704, the top end of the elastic rubber pad 703 is connected with a connecting rod 702, the top end of the connecting rod 702 is connected with a clamping block 701, the structure of the clamping block 701 is an arc structure, and the clamping block 701 forms an elastic telescopic structure with the mounting seat 704 through the connecting rod 702 and the elastic rubber pad 703, the arranged line protection structure 7 can clamp and fix the wire harness in the pipeline, so that the wire harness can be ensured to be regularly distributed in each wire harness ring, meanwhile, the influence of individual high-temperature short-circuit wire harnesses on other wires can be avoided, the effect of differential protection is achieved, and the practicability of the PVC flame-retardant pipe with the circuit protection function is greatly improved.

The working principle is as follows: for the PVC flame-retardant pipe with the circuit protection function, firstly, the heat-resistant layer 201 is bonded on the outer surface of the PVC pipe 1, the heat-resistant layer 201 is a polytetrafluoroethylene layer, the polytetrafluoroethylene material has the characteristics of acid resistance, alkali resistance and high temperature resistance, so that the heat-resistant effect can be achieved, the heat-insulating finish 202 can be sprayed on the outer surface of the heat-resistant layer 201 in a spraying mode, so that the internal pipeline can be covered, the internal pipeline can be prevented from being in large contact with the outside air, the aging speed of the pipeline can be reduced, the pipeline can be protected, the arranged elastic mounting ring 3 can be arranged inside the PVC pipe 1, the mounting ring 3 can be tightly attached to the inner surface of the PVC pipe 1 through the expansion of elasticity, meanwhile, the first wire tying ring 4, the second wire tying ring 5 and the third wire tying ring 6 are fixed inside the mounting ring 3, during installation, the mount pad 704 with line protection structure 7 is the inside at the lacing ring of symmetry, presses the clamp splice 701 of arc structure, and the clamp splice 701 can stretch out and draw back in the mount pad 704 through the elasticity change of connecting rod 702 and elastic rubber pad 703, so can carry out the centre gripping to the pencil of two clamp splice 701 insides and fix, and the first lacing ring 4 that sets up, second lacing ring 5 and third lacing ring 6 can be tied up the circuit pencil of difference respectively and restraint, just accomplish the whole use that has the fire-retardant pipe of PVC of line protection function like this.

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. The utility model provides a fire-retardant pipe of PVC with line protection function, includes PVC pipe (1) and line protection structure (7), its characterized in that: the outside of PVC pipe (1) is provided with fire-retardant thermal-insulated structure (2), the inside movable mounting of PVC pipe (1) has collar (3), and the inside of collar (3) is provided with first bundle of wire ring (4), second bundle of wire ring (5) and third bundle of wire ring (6), the right side of first bundle of wire ring (4) is provided with second bundle of wire ring (5), and the right side of second bundle of wire ring (5) is provided with third bundle of wire ring (6), line protection structure (7) set up in the inside of first bundle of wire ring (4), second bundle of wire ring (5) and third bundle of wire ring (6).

2. The PVC flame-retardant pipe with the line protection function as claimed in claim 1, wherein: the flame-retardant heat-insulation structure (2) comprises a heat-resistant layer (201) and a heat-insulation finish (202), and the heat-insulation finish (202) is arranged on the outer surface of the heat-resistant layer (201).

3. The PVC flame-retardant pipe with the line protection function as claimed in claim 2, wherein: the inner surface of the heat-resistant layer (201) is in bonding connection with the outer surface of the PVC pipe (1), the heat-resistant layer (201) is in bonding connection with the heat-insulating finish paint (202), and the heat-resistant layer (201) is a polytetrafluoroethylene layer.

4. The PVC flame-retardant pipe with the line protection function as claimed in claim 1, wherein: the structure of the mounting ring (3), the first wire binding ring (4), the second wire binding ring (5) and the third wire binding ring (6) is an elastic structure, the diameter of the third wire binding ring (6) is larger than that of the second wire binding ring (5), the diameter of the second wire binding ring (5) is larger than that of the first wire binding ring (4), and meanwhile the first wire binding ring (4) and the second wire binding ring (5) are symmetrically arranged in two groups relative to the horizontal center line of the mounting ring (3).

5. The PVC flame-retardant pipe with the line protection function as claimed in claim 1, wherein: the line protection structure (7) comprises a clamping block (701), a connecting rod (702), an elastic rubber pad (703) and a mounting seat (704), wherein the elastic rubber pad (703) is mounted inside the mounting seat (704), the top end of the elastic rubber pad (703) is connected with the connecting rod (702), and the top end of the connecting rod (702) is connected with the clamping block (701).

6. The PVC flame-retardant pipe with the line protection function as claimed in claim 5, wherein: the structure of the clamping block (701) is an arc-shaped structure, and the clamping block (701) forms an elastic telescopic structure with the mounting seat (704) through the connecting rod (702) and the elastic rubber pad (703).