CN211853146U

CN211853146U - Double-leakage-prevention electric melting pipe fitting for gas

Info

Publication number: CN211853146U
Application number: CN201922500679.1U
Authority: CN
Inventors: 李君�; 邓杰文
Original assignee: Guangdong Liansu Technology Industrial Co Ltd
Current assignee: Guangdong Liansu Technology Industrial Co Ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-11-03
Anticipated expiration: 2029-12-31

Abstract

The utility model provides a double-leakage-proof electric melting pipe fitting for gas, which comprises a wiring terminal, a heating wire, a limiting structure and a sealing mechanism; the heating wire setting at electric smelting pipeline inner wall both ends, limit structure setting at the middle part inner wall of electric smelting pipeline, sealing mechanism sets up in limit structure both sides, binding post sets up at the both ends of electric smelting pipe fitting outer wall, binding post and heating wire carry out the electricity and are connected. The electric melting pipe fitting for double-leakage-prevention gas effectively solves the quality problem caused by the influence of environment and personnel on the connection of the electric melting pipe fitting, and meanwhile improves the sealing performance of the electric melting pipe fitting through the sealing rubber ring, so that the quality of pipe network connection is greatly improved.

Description

Double-leakage-prevention electric melting pipe fitting for gas

Technical Field

The utility model relates to a PE electric smelting pipe fitting field, more specifically relates to a two electric smelting pipe fittings for gas that leak protection.

Background

At present, the general electric melting pipe fittings on the market are mainly welded by an embedded heating wire and a special electric melting welder in an electrifying way, so that the pipe and the pipe fittings are fused together. The requirements on constructors and construction environments are high, insufficient welding easily occurs carelessly, and the installation quality of the pipe network is affected. The utility model discloses two leak protection gas electric smelting pipe fittings, the advantage of existing electric smelting pipe fitting itself has also increased the socket joint pipe fitting and has leaned on the sealed advantage of sealing rubber ring, plays dual leak protection's effect.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an overcome among the above-mentioned prior art electric smelting pipe fitting receive environment and personnel to influence the connection quality in actual construction, lead to the problem of leaking, provide a double-prevention electric smelting pipe fitting for gas that leaks.

In order to solve the technical problem, the technical scheme of the utility model as follows:

a double-leakage-prevention electric melting pipe fitting for fuel gas comprises a wiring terminal, a heating wire, a limiting structure and a sealing mechanism; the heating wire setting at electric smelting pipeline inner wall both ends, limit structure setting at the middle part inner wall of electric smelting pipeline, sealing mechanism sets up in limit structure both sides, binding post sets up at the both ends of electric smelting pipe fitting outer wall, binding post and heating wire carry out the electricity and are connected.

In the use, it is clear at first to use absolute ethyl alcohol the utility model provides a double leak protection gas is with electric smelting pipe fitting's butt fusion region uses the specialized tool to scrape the surface oxide layer according to the standard requirement for the tubular product surface. And inserting the PE pipe into the socket of the electric melting pipe fitting for double leakage-proof gas until the PE pipe end reaches the limiting structure. After the installation is finished, the PE pipe or the double-leakage-proof electric melting pipe fitting for gas is not required to be rotated. And connecting an output joint of the special welding machine with a wiring terminal of the double-leakage-proof gas electric melting pipe fitting, heating the heating wire, and performing electric melting welding.

In a preferred scheme, the cross section of the double-leakage-proof electric melting pipe fitting for the fuel gas is circular.

In a preferred scheme, the limiting structure is a bump arranged on the inner wall of the electric melting pipe fitting.

In a preferred scheme, the sealing mechanism is a sealing rubber ring.

In a preferred scheme, the inner wall of the electric melting pipe fitting and the sealing rubber ring are provided with annular grooves.

In a preferred scheme, the thickness of the sealing rubber ring is greater than or equal to the groove depth of the annular groove.

In a preferred scheme, an observation window is arranged on the inner side of the connecting terminal.

Compared with the prior art, the utility model discloses technical scheme's beneficial effect is:

the electric melting pipe fitting for double-leakage-prevention gas effectively solves the quality problem caused by the influence of environment and personnel on the connection of the electric melting pipe fitting, and meanwhile improves the sealing performance of the electric melting pipe fitting through the sealing rubber ring, so that the quality of pipe network connection is greatly improved.

Drawings

Fig. 1 is a schematic structural view of an electric melting pipe fitting for double gas leakage prevention provided by the present invention;

fig. 2 is an installation schematic diagram of the electric melting pipe fitting for double gas leakage prevention provided by the utility model;

FIG. 3 is a view showing an original state in which a packing rubber is not compressed in example 2;

FIG. 4 is a view showing the state of pressing the packing in example 2.

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, which are used for illustration only and are not to be construed as limitations of the present patent. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The technical solution of the present invention will be further explained with reference to the accompanying drawings and examples.

Example 1

A double-leakage-prevention electric melting pipe fitting for fuel gas comprises a wiring terminal 1, a heating wire 2, a limiting structure 3 and a sealing mechanism 4; heating wire 2 set up at electric smelting pipeline inner wall both ends, limit structure 3 sets up the middle part inner wall at electric smelting pipeline, sealing mechanism 4 sets up in limit structure 3 both sides, binding post 1 sets up at the both ends of electric smelting pipe fitting outer wall, binding post 1 carries out the electricity with the heating wire and is connected.

In the use, it is clear at first to use absolute ethyl alcohol the utility model provides a double leak protection gas is with electric smelting pipe fitting's butt fusion region uses the specialized tool to scrape the surface oxide layer according to the standard requirement for the tubular product surface. Insert PE tubular product 6 in two leak protection electric fuse pipe fittings hold the mouth, until PE pipe end to limit structure 3. After the installation is finished, the PE pipe 6 is not rotated or the electric melting pipe fitting for double gas leakage prevention is used. The output joint of the special welding machine is connected with the wiring terminal 1 of the double-leakage-proof gas electric melting pipe fitting and the heating wire 2 for electric melting welding.

Example 2

The electric melting pipe fitting for double gas leakage prevention provided by the present embodiment is the same as embodiment 1, and only each component is further limited.

An electric melting pipe fitting for double leakage prevention gas comprises a wiring terminal 1, a heating wire 2, a limiting structure 3 and a sealing mechanism 4, as shown in figure 1; heating wire 2 set up at electric smelting pipeline inner wall both ends, limit structure 3 sets up the middle part inner wall at electric smelting pipeline, sealing mechanism 4 sets up in limit structure 3 both sides, binding post 1 sets up at the both ends of electric smelting pipe fitting outer wall, binding post 1 carries out the electricity with the heating wire and is connected.

In the use, it is clear at first to use absolute ethyl alcohol the utility model provides a double leak protection gas is with electric smelting pipe fitting's butt fusion region uses the specialized tool to scrape the surface oxide layer according to the standard requirement for the tubular product surface. The PE pipe 6 is inserted into the socket of the double-leakage-proof electric melting pipe fitting for fuel gas until the end of the PE pipe reaches the limiting structure 3, as shown in figure 2. After the installation is finished, the PE pipe 6 is not rotated or the electric melting pipe fitting for double gas leakage prevention is used. The output joint of the special welding machine is connected with the wiring terminal 1 of the double-leakage-proof gas electric melting pipe fitting and the heating wire 2 for electric melting welding.

In a preferred scheme, the limiting structure 3 is a projection arranged on the inner wall of the electric melting pipe fitting.

In a preferred scheme, the sealing mechanism 4 is a sealing rubber ring 4.

In a preferred scheme, the inner wall of the electric melting pipe fitting and the sealing rubber ring 4 are provided with annular grooves 7.

In a preferred scheme, the thickness of the sealing rubber ring is greater than or equal to the groove depth of the annular groove 7.

It should be noted that, in the using process, the PE pipe 6 is inserted into the limiting structure 3, in this process, the sealing rubber ring 4 plays a role in leakage prevention, and the PE pipe 6 extrudes the sealing rubber ring, as shown in fig. 3 and 4; the PE pipe 6 and the double-leakage-proof electric melting pipe fitting for gas are sealed and fixed in an electric melting mode to play another layer of leakage-proof function.

In a preferable scheme, an observation window 5 is arranged on the inner side of the wiring terminal 1.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Claims

1. The electric melting pipe fitting for double-leakage-proof gas is characterized by comprising a wiring terminal (1), a heating wire (2), a limiting structure (3) and a sealing mechanism (4); the heating wires (2) are arranged at two ends of the inner wall of the electric melting pipeline, the limiting structure (3) is arranged on the inner wall of the middle part of the electric melting pipeline, the sealing mechanisms (4) are arranged at two sides of the limiting structure (3), the wiring terminals (1) are arranged at two ends of the outer wall of the electric melting pipe fitting, and the wiring terminals (1) are electrically connected with the heating wires;

the cross section of the double-gas-leakage-proof electric melting pipe fitting is circular, the middle part of the double-gas-leakage-proof electric melting pipe fitting is cylindrical, and the diameters penetrating through the middle part of the double-gas-leakage-proof electric melting pipe fitting are consistent all the time; the sealing mechanism (4) is a sealing rubber ring;

the inner wall of the electric melting pipe fitting and the arrangement position of the sealing rubber ring are provided with annular grooves (7);

the thickness of the sealing rubber ring is more than or equal to the groove depth of the annular groove (7).

2. The electric melting pipe fitting for double gas leakage prevention according to claim 1, wherein the limiting structure (3) is a projection arranged on the inner wall of the electric melting pipe fitting.

3. The electric melting pipe fitting for double gas leakage prevention according to claim 2, characterized in that an observation window (5) is opened on the inner side of the connecting terminal (1).