CN209743836U

CN209743836U - Novel composite pipeline combined connecting piece

Info

Publication number: CN209743836U
Application number: CN201920516566.8U
Authority: CN
Inventors: 陈昆; 何百钢
Original assignee: Sichuan Xin Zhongtai New Material Co Ltd
Current assignee: Sichuan Xin Zhongtai New Material Co Ltd
Priority date: 2019-04-16
Filing date: 2019-04-16
Publication date: 2019-12-06
Anticipated expiration: 2029-04-16

Abstract

The utility model discloses a novel composite pipeline combined connecting piece, which comprises a flange plate, wherein the flange plate is connected with a punching steel cylinder, and the surface of the punching steel cylinder is coated with a plastic layer; the plastic layer extends to the end face of the flange plate, so that the flange plate is partially coated; the inner wall circumference of plastic layer is provided with spiral first heating wire, and first heating wire is connected with first terminal, and first terminal sets up on the terminal surface of ring flange is kept away from to the plastic layer. And a spiral second heating wire is arranged on the outer wall of the plastic layer in the circumferential direction and is connected with a heating wire lead. The electric heating melting pipe comprises a pipe sleeve, a spiral third heating wire is arranged on the inner wall of the pipe sleeve, the third heating wire is connected with a third binding post, and the third binding post is arranged at two ends of the pipe sleeve. The utility model discloses simple structure, reasonable in design, the practicality is strong, can realize the composite pipe of different specifications and connect.

Description

Novel composite pipeline combined connecting piece

Technical Field

The utility model belongs to the technical field of the compound pipeline, especially, relate to a novel compound pipeline built-up connection spare.

Background

In order to facilitate the disassembly of the pipeline, the flange is often used as a part for interconnecting the pipeline and connected to the end of the pipeline, and is often applied to metal pipelines. For composite pipelines, connections to other ductwork and equipment must be made through steel-plastic conversion joints.

Because the strength and the temperature resistance of plastics are far inferior to those of steel, the pure plastic flange can not be applied to a pipeline system with higher temperature and pressure, the improvement is needed, and the flange connecting pipe fitting with the steel and the plastic compounded into a whole is designed, so that the advantage of good corrosion resistance of the pure plastic flange is kept, and the flange connecting pipe fitting has good temperature resistance and higher strength and is suitable for detachable connection of a composite pipeline. Meanwhile, the existing flange plate is single in connection mode and low in adaptability and needs to be improved to adapt to connection of composite pipelines with different specifications.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a novel composite pipeline built-up connection spare, can solve above-mentioned prior art's weak point completely.

the purpose of the utility model is realized through the following technical scheme:

A novel composite pipeline combined connecting piece comprises a flange plate, wherein the flange plate is connected with a punching steel cylinder, and the surface of the punching steel cylinder is coated with a plastic layer; the plastic layer extends to the end face of the flange plate, so that the flange plate is partially coated; the inner wall circumference of plastic layer is provided with spiral first heating wire, and first heating wire is connected with first terminal, and first terminal sets up on the terminal surface of ring flange is kept away from to the plastic layer.

Furthermore, a spiral second heating wire is circumferentially arranged on the outer wall of the plastic layer, and the second heating wire is connected with a heating wire lead.

further, the electric heating device comprises an electric heating melting pipe fitting, wherein the electric heating melting pipe fitting comprises a pipe sleeve, a spiral third heating wire is arranged on the inner wall of the pipe sleeve, the third heating wire is connected with a third binding post, and the third binding post is arranged at two ends of the pipe sleeve.

Furthermore, the flange plate is a metal flange plate, and the flange plate and the punching steel cylinder are welded into a whole.

Furthermore, semilunar holes are distributed on the inner circumference of the flange plate at positions opposite to the punching steel cylinder.

Compared with the prior art, the beneficial effects of the utility model reside in that: the structure is simple, the design is reasonable, the practicability is strong, and the first heating wire can realize the inner socket type connection with the composite pipe; the second heating wire can realize external socket type connection with the composite pipe; the direct connection between the composite pipe and the pipe can be realized by electrically melting the pipe.

Drawings

FIG. 1 is a schematic structural diagram of connection of a flange plate and a punched steel cylinder;

FIG. 2 is a right side view of FIG. 1;

FIG. 3 is a schematic structural view of the female connection of the present invention;

FIG. 4 is a schematic structural view of the external spigot-and-socket connection of the present invention;

FIG. 5 is a schematic diagram of the direct connection of the present invention;

Reference numerals: the heating wire heating device comprises a flange plate 1, a punched steel cylinder 2, a round hole 201, a half-moon-shaped hole 101, a plastic layer 3, a first heating wire 4, a first binding post 5, a second heating wire 6, a heating wire lead 7, a pipe sleeve 8, a third heating wire 9, a third binding post 10 and a composite pipe 11.

Detailed Description

The invention will be further described with reference to the following specific embodiments and the accompanying drawings.

as shown in fig. 1 to 5, a novel composite pipe combination connector comprises a flange plate 1, wherein the flange plate 1 is a metal flange plate, preferably a steel flange plate. The steel flange plate is connected with a punching steel cylinder 2, and the punching steel cylinder 2 is a steel cylinder with a plurality of round holes 201 arranged on the side surface of the steel cylinder. One end of the punching steel cylinder 2 is welded in the inner circle of the steel flange plate. Semilunar holes 101 are distributed on the inner circumference of the flange plate 1 at positions opposite to the punched steel cylinder 2. The surface of the punching steel cylinder 2 is coated with a plastic layer 3, and the plastic layer 3 extends to the end face of the flange plate 1, so that the flange plate 1 is partially coated or wholly coated. The inner wall circumference of plastic layer 3 is provided with spiral first heating wire 4, and first heating wire 4 is connected with first terminal 5, and first terminal 5 sets up on the terminal surface of ring flange 1 is kept away from to plastic layer 3. A spiral second heating wire 6 is circumferentially arranged on the outer wall of the plastic layer 3, and the second heating wire 6 is connected with a heating wire lead 7. The electric heating device is characterized by also comprising an electric heating melting pipe fitting, wherein the electric heating melting pipe fitting comprises a plastic pipe sleeve 8, a spiral third heating wire 9 is arranged on the inner wall of the pipe sleeve 8, the third heating wire 9 is connected with a third binding post 10, and the third binding post 10 is arranged at two ends of the pipe sleeve 8.

The utility model discloses simple structure, reasonable in design, the practicality is strong, and convenient to use can realize the composite pipe of different specifications and connect. The first heating wire 4 can realize the inner socket type connection with the composite pipe 11; the second heating wire 6 can realize the external socket type connection with the composite pipe 11; by means of the electric melting of the pipe elements, a direct connection to the composite pipe 11 can be achieved.

The specific application process is as follows: the composite pipe 11 with proper specification is inserted into the plastic layer 3, the outer wall of the composite pipe 11 is attached to the inner wall of the plastic layer 3, the first wiring terminal 5 is connected with an external power supply to electrify and heat the first electric heating wire 4, so that the outer wall of the composite pipe 11 is welded with the inner wall of the plastic layer 3, and the connection is an inner socket type connection. The plastic layer 3 is inserted into the composite pipe 11 with proper specification, the inner wall of the composite pipe 11 is attached to the outer wall of the plastic layer 3, and the second electric heating wire 6 is electrified and heated by connecting an external power supply through an electric heating wire lead 7, so that the inner wall of the composite pipe 11 is welded with the outer wall of the plastic layer 3, and the connection is an external socket joint type connection. The plastic layer 3 and the composite tube 11 with proper specification are inserted into the pipe sleeve 8, the end surface of the plastic layer 3 is butted with the end surface of the composite tube 11, the third electric heating wire 9 is electrically heated by connecting an external power supply through a third binding post 10, and the outer wall of the plastic layer 3 and the outer wall of the composite tube 11 are welded with the inner wall of the pipe sleeve 8, which is directly connected.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a novel compound pipeline built-up connection spare which characterized in that: the punching steel cylinder is characterized by comprising a flange plate, wherein the flange plate is connected with a punching steel cylinder, and the surface of the punching steel cylinder is coated with a plastic layer; the plastic layer extends to the end face of the flange plate, so that the flange plate is partially coated; the inner wall circumference of plastic layer is provided with spiral first heating wire, and first heating wire is connected with first terminal, and first terminal sets up on the terminal surface of ring flange is kept away from to the plastic layer.

2. The novel composite pipe composite connector of claim 1, wherein: and a spiral second heating wire is arranged on the outer wall of the plastic layer in the circumferential direction and is connected with a heating wire lead.

3. The novel composite pipe composite connector of claim 1, wherein: the electric heating melting pipe comprises a pipe sleeve, a spiral third heating wire is arranged on the inner wall of the pipe sleeve, the third heating wire is connected with a third binding post, and the third binding post is arranged at two ends of the pipe sleeve.

4. The novel composite pipe composite connector of claim 1, wherein: the flange plate is a metal flange plate, and the flange plate and the punching steel cylinder are welded into a whole.

5. The novel composite pipe composite connector of claim 1, wherein: semi-moon-shaped holes are distributed on the inner circumference of the flange plate at positions opposite to the punching steel cylinder.