CN211525782U

CN211525782U - Underground gas pipeline steel-plastic adapter

Info

Publication number: CN211525782U
Application number: CN201922153374.8U
Authority: CN
Inventors: 庄家荣
Original assignee: Jiangsu Jiaxin Gas Equipment Co ltd
Current assignee: Jiangsu Jiaxin Gas Equipment Co ltd
Priority date: 2019-12-05
Filing date: 2019-12-05
Publication date: 2020-09-18
Anticipated expiration: 2029-12-05

Abstract

The utility model discloses a steel-plastic adapter for underground gas pipelines, which belongs to the technical field of gas pipelines and particularly relates to a steel-plastic adapter for underground gas pipelines, which comprises a connecting pipe, wherein the outer wall of the left end of the connecting pipe is screwed with a threaded pipe, the outer wall of the left side of the threaded pipe is bonded with a rubber sleeve, a first rubber pipe is bonded between the inner wall of the left side of the rubber sleeve and the left end of the threaded pipe, the outer wall of the first rubber pipe is provided with a first groove, a first hoop is sleeved in the first groove, the upper part of the outer wall of the right side of the connecting pipe is integrally formed with a connecting piece, a second rubber pipe is fixedly inserted in the connecting piece, the outer wall of the second rubber pipe is provided with a second groove, a second hoop is sleeved in the second groove, a waterproof glue layer is bonded between the first rubber pipe and the threaded pipe, anti-skid veins are carved on the inner wall of the first rubber pipe, and the joint between, and the corrosion resistance of the joint is good.

Description

Underground gas pipeline steel-plastic adapter

Technical Field

The utility model relates to a gas pipeline technical field specifically is an adapter is moulded to underground gas pipeline steel.

Background

The gas pipeline is used as equipment for conveying gas to each household, the gas pipeline is important equipment at present when the gas is widely applied, in order to ensure the attractiveness of each household wall, the gas pipeline needs to be buried underground, the gas pipeline and the input pipeline of each household need to be connected through a conversion joint, and in order to prolong the service life, the conversion joint is made of common steel and plastic materials.

However, the conventional device has the problems that gas leakage is easily generated at the joint between pipelines, and the joint is easily corroded.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an adapter is moulded to underground gas pipeline steel to the junction between the pipeline that provides in solving above-mentioned background art produces the gas easily and leaks, and the junction is corroded the problem easily.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an underground gas pipeline steel-plastic crossover sub, includes the connecting pipe, the spiro union has the screwed pipe on the left end outer wall of connecting pipe, it has the rubber sleeve to bond on the left side outer wall of screwed pipe, it has first rubber tube to bond between the left side inner wall of rubber sleeve and the left end of screwed pipe, first recess has been seted up to the outer wall of first rubber tube, first hoop has been cup jointed in the first recess, the upper portion integrated into one piece of connecting pipe right side outer wall has the connecting piece, the connecting piece internal fixation is pegged graft and is had the second rubber tube, the second recess has been seted up to the outer wall of second rubber tube, the second hoop has been cup jointed in the second recess.

Preferably, a waterproof glue layer is bonded between the first rubber tube and the threaded tube.

Preferably, the inner wall of the first rubber tube is carved with anti-skidding lines.

Preferably, the thickness values of the side walls of the first rubber tube and the connecting tube are the same.

Preferably, the distance between the outer wall of the right end of the connecting pipe and the inner wall of the second rubber pipe is 3-6 mm.

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

1) the first rubber pipe and the second rubber pipe are covered on the outer wall of the external pipeline connected with the connecting pipe, so that gas can be prevented from leaking out;

2) the first rubber pipe is matched with the rubber sleeve to be connected with the threaded pipe, and the second rubber pipe is matched with the connecting piece to be connected with the connecting pipe, so that liquid can not reach the connecting part of the pipeline connected with the threaded pipe and the connecting pipe through the structures, and the connecting part is prevented from being corroded;

3) the first hoop and the second hoop can respectively reinforce the stability of the external pipeline sleeved by the first rubber pipe and the second rubber pipe.

Drawings

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

fig. 2 is a sectional view of the present invention;

fig. 3 is a right side view of the present invention.

In the figure: 1 screwed pipe, 2 connecting pipes, 3 rubber sleeves, 4 first rubber pipes, 5 first hoops, 6 connecting pieces, 7 second rubber pipes and 8 second hoops.

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.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to 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. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

referring to fig. 1-3, the present invention provides a technical solution: the utility model provides an adapter is moulded to underground gas pipeline steel, includes connecting pipe 2, and the spiro union has screwed pipe 1 on the left end outer wall of connecting pipe 2, and connecting pipe 2 and screwed pipe 1 are steel and plastic material, and it has rubber sleeve 3 to bond on the left side outer wall of screwed pipe 1, and it has first rubber tube 4 to bond between the left side inner wall of rubber sleeve 3 and the left end of screwed pipe 1, and rubber sleeve 3 is used for sheltering from the gap between first rubber tube 4 and the screwed pipe 1.

First recess has been seted up to the outer wall of first rubber tube 4, cup jointed first hoop 5 in the first recess, after the inner wall spiro union of outside pipeline and screwed pipe 1 is fixed, first rubber tube 4 can overlap on the outer wall of outside pipeline and through first hoop 5 reinforced connection, can prevent that this department's gas from leaking and outside liquid infiltration corrodes the junction, the upper portion integrated into one piece of connecting pipe 2 right side outer wall has connecting piece 6, connecting piece 6 internal fixation pegs graft there is second rubber tube 7, the outer wall of connecting pipe 2 is fixed back with the outside pipeline spiro union, it makes second rubber tube 7 laminate to fix on the outer wall of outside pipeline to cramp second rubber tube 7 through second hoop 8, can prevent this department's gas from leaking and outside liquid infiltration corrodes the junction, the second recess has been seted up to the outer wall of second rubber tube 7, cup joint second hoop 8 in the second recess.

Wherein, a waterproof glue layer is bonded between the first rubber tube 4 and the screwed pipe 1, which is helpful for increasing the connection stability of the first rubber tube 4 and the screwed pipe 1.

The inner wall of first rubber tube 4 is carved with anti-skidding line, increases first rubber tube 4 and cup joints the stability on outside pipeline.

The thickness value of the side wall of the first rubber tube 4 is the same as that of the side wall of the connecting tube 2, so that the first rubber tube 4 can be completely attached to the outer wall of an external pipeline.

The distance value between the outer wall of the right end of the connecting pipe 2 and the inner wall of the second rubber pipe 7 is 3-6mm, and an external pipeline is conveniently screwed on the outer wall of the connecting pipe 2.

The working principle is as follows: after the inner wall spiro union with outside pipeline and screwed pipe 1 is fixed, first rubber tube 4 can overlap on the outer wall of outside pipeline and through the reinforced connection of first hoop 5, can prevent that this department's gas from leaking and outside liquid infiltration corrodes the junction, the outer wall of connecting pipe 2 is fixed back with outside pipeline spiro union, it makes second rubber tube 7 laminate fixedly on the outer wall of outside pipeline to cramp second hoop 8, can prevent that this department's gas from leaking and outside liquid infiltration from corroding the junction, device and two sets of outside pipelines constitute complete gas route.

Having shown and described the basic principles and principal features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of 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 invention 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, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

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 an underground gas pipeline steel-plastic crossover sub, includes connecting pipe (2), its characterized in that: the left end outer wall of connecting pipe (2) is gone up the spiro union and is had screwed pipe (1), it has rubber sleeve (3) to bond on the left side outer wall of screwed pipe (1), it has first rubber tube (4) to bond between the left side inner wall of rubber sleeve (3) and the left end of screwed pipe (1), first recess has been seted up to the outer wall of first rubber tube (4), first hoop (5) have been cup jointed in the first recess, the upper portion integrated into one piece of connecting pipe (2) right side outer wall has connecting piece (6), connecting piece (6) internal fixation is pegged graft and is had second rubber tube (7), the second recess has been seted up to the outer wall of second rubber tube (7), second hoop (8) have been cup jointed in the second recess.

2. The underground gas pipeline steel-plastic adapter according to claim 1, characterized in that: and a waterproof glue layer is bonded between the first rubber pipe (4) and the threaded pipe (1).

3. The underground gas pipeline steel-plastic adapter according to claim 1, characterized in that: the inner wall of the first rubber tube (4) is carved with anti-skidding lines.

4. The underground gas pipeline steel-plastic adapter according to claim 1, characterized in that: the thickness values of the side walls of the first rubber pipe (4) and the connecting pipe (2) are the same.

5. The underground gas pipeline steel-plastic adapter according to claim 1, characterized in that: the distance value between the outer wall of the right end of the connecting pipe (2) and the inner wall of the second rubber pipe (7) is 3-6 mm.