CN214467024U

CN214467024U - Pipeline plugging device for town gas engineering

Info

Publication number: CN214467024U
Application number: CN202120566867.9U
Authority: CN
Inventors: 吴兵帅
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-03-19
Filing date: 2021-03-19
Publication date: 2021-10-22
Anticipated expiration: 2031-03-19

Abstract

The utility model discloses a pipeline plugging device for town gas engineering, including support, gas pipeline, reserve pipeline, air duct, stopper one, stopper two, separation gasbag and inflator, the top of support is equipped with solid fixed ring, and solid fixed ring's inside is equipped with the gas pipeline, the bottom both sides of gas pipeline all run through and are equipped with the gas port, the bottom of gas port is equipped with reserve pipeline, the bottom of gas pipeline is run through and is equipped with the air duct. The utility model discloses a grow is aerifyd to the separation gasbag, plugs up the gas pipeline, strengthens plugging device's leakproofness, makes through reserve pipeline and can be transformed into reserve pipeline with the gas and circulate when shutoff gas pipeline overhauls, is used for satisfying citizen's normal use demand, uses through air duct and extraction opening cooperation, can collect remaining gas in the gas pipeline by the partition part to carry out the reutilization of gas.

Description

Pipeline plugging device for town gas engineering

Technical Field

The utility model relates to a gas engineering technical field specifically is a pipeline plugging device for town gas engineering.

Background

The fuel gas is a general term for gas fuel, and can be combusted to release heat for residents and industrial enterprises. The gas is of various types, mainly including natural gas, artificial gas, liquefied petroleum gas, methane and coal gas. Along with the development and the application of gas, the gas pipeline that need lay is also more and more, consequently need constantly overhaul the gas pipeline to guarantee citizen's application demand, need cut off the gas when the gas pipeline overhauls, consequently need a pipeline plugging device for town gas engineering to assist the maintenance, but there are certain problem and defect in the pipeline plugging device for the town gas engineering that has now:

1. the existing pipeline plugging device for the town gas engineering has poor sealing performance, easily causes gas leakage during plugging, easily causes potential safety hazards, brings inconvenience for maintenance, easily causes waste of gas resources and is relatively inconvenient to use;

2. the pipeline plugging device for the existing town gas engineering is not convenient for switching pipelines, needs to cut off the gas of an overhauling section when overhauling, influences the normal use and the demand of citizens very easily during the separation, is inconvenient to use, and causes the blockage and expansion of the gas pipeline easily, so that the gas pipeline bursts easily and is high in danger.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pipeline plugging device for town gas engineering to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a pipeline plugging device for town gas engineering comprises a support, a gas pipeline, a spare pipeline, a gas guide pipe, a first limiting block, a second limiting block, a blocking airbag and an inflator, wherein a fixing ring is arranged at the top of the support, the gas pipeline is arranged inside the fixing ring, gas ports are formed in the two sides of the bottom of the gas pipeline in a penetrating mode, the spare pipeline is arranged at the bottom of the gas port, the gas guide pipe is arranged in the bottom of the gas pipeline in a penetrating mode, an air suction port is formed in the bottom of the gas guide pipe, the first limiting block is arranged on the two sides of the top surface of the inside of the gas pipeline, positioning grooves are formed in the two sides of the bottom of the first limiting block, sealing strips are arranged inside the positioning grooves, the second limiting block is arranged on the two sides of the bottom surface of the inside of the gas pipeline, a sealing plate is arranged on the front of the second limiting block, and the sealing plate penetrates through the bottom of the gas pipeline and the second limiting block to extend into the inside of the gas pipeline, the bottom of stopper one is equipped with the separation gasbag, the top of separation gasbag is equipped with the intake pipe, and one side of intake pipe is equipped with the air cock, the surface of separation gasbag is equipped with the protection film, the top of gas pipeline is equipped with the inflator, the both sides of inflator all are equipped with one-way air valve, and one side of one-way air valve is equipped with the gas-supply pipe.

Preferably, the front surface of the gas pipeline is provided with a nameplate mark.

Preferably, a valve is arranged at the communication position of the standby pipeline and the air port, and a sealing ring is arranged outside the valve.

Preferably, the bottom of the pumping hole is provided with a control valve.

Preferably, a pumping rod is arranged inside the air cylinder.

Compared with the prior art, the beneficial effects of the utility model are that: this pipeline plugging device for town gas engineering is rational in infrastructure, has following advantage:

1. the utility model discloses an inflator, send into the inside of separation gasbag with gas through the gas-supply pipe, aerify the grow through the separation gasbag, plug up the gas pipeline, thereby strengthen plugging device's leakproofness, use through constant head tank and closing plate cooperation, fix the inside at the constant head tank with the closing plate, seal up the gap through the sealing strip, thereby prevent that natural gas from leaking, sealed effect has been strengthened, thereby strengthen the leakproofness of whole device, reduce the wasting of resources that gas leakage caused, it is comparatively convenient to use, protect the separation gasbag through the protection film, prevent that the separation gasbag from damaging under the long-time washing away of gas, the life of separation gasbag has been prolonged, it is comparatively convenient to use.

2. The utility model discloses a reserve pipeline plays the effect of pipeline conversion, make and to convert the gas into reserve pipeline and circulate when shutoff gas pipeline overhauls, be used for satisfying citizen's normal use demand, it is comparatively convenient to use, and can seal reserve pipeline through valve and sealing washer, prevent that the gas from leaking, sealed effect has been strengthened, it is comparatively convenient to use, and dredge the gas through reserve pipeline, be difficult for causing the jam inflation of gas pipeline, the inflation crack nature of gas pipeline has been reduced, the security has been strengthened, it is comparatively convenient to use.

3. The utility model discloses a use through air duct and extraction opening cooperation, can collect remaining gas in the gas pipeline by wall part to carry out the reutilization of gas, reduced the waste of gas resource, strengthened the economic performance, it is comparatively convenient to use.

Drawings

Fig. 1 is a front view of the present invention;

FIG. 2 is an external view of the present invention;

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

figure 4 is the local structure sketch map of separation gasbag of the utility model.

In the figure: 1. a support; 101. a fixing ring; 2. a gas pipeline; 201. a nameplate label; 3. a standby pipeline; 301. a valve; 302. a seal ring; 303. a gas port; 4. an air duct; 401. an air extraction opening; 402. a control valve; 5. a first limiting block; 501. positioning a groove; 502. a sealing strip; 6. a second limiting block; 601. a sealing plate; 7. blocking the air bag; 701. an air inlet pipe; 702. an air tap; 703. a protective film; 8. an air cylinder; 801. drawing a rod; 802. a one-way gas valve; 803. a gas delivery pipe.

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", "front end", "rear end", "both ends", "one end", "the other end" 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 to which the reference is made 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," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or 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.

Referring to fig. 1-4, the present invention provides an embodiment: a pipeline plugging device for town gas engineering comprises a support 1, a gas pipeline 2, a spare pipeline 3, a gas guide pipe 4, a first limiting block 5, a second limiting block 6, a separating air bag 7 and an air cylinder 8, wherein a fixing ring 101 is arranged at the top of the support 1, the gas pipeline 2 is arranged inside the fixing ring 101, a nameplate mark 201 is arranged on the front surface of the gas pipeline 2, gas ports 303 are arranged on two sides of the bottom of the gas pipeline 2 in a penetrating manner, the spare pipeline 3 is arranged at the bottom of the gas ports 303, a valve 301 is arranged at the communication position of the spare pipeline 3 and the gas ports 303, a sealing ring 302 is arranged outside the valve 301, the gas guide pipe 4 is arranged at the bottom of the gas pipeline 2 in a penetrating manner, an air extraction opening 401 is arranged at the bottom of the gas guide pipe 4, a control valve 402 is arranged at the bottom of the air extraction opening 401, the first limiting blocks 5 are arranged on two sides of the top surface inside the gas pipeline 2, and positioning grooves 501 are arranged on two sides of the bottom of the first limiting blocks 5, and the inside of constant head tank 501 is equipped with sealing strip 502, inside bottom surface both sides at gas pipeline 2 all are equipped with stopper two 6, be equipped with closing plate 601 in the front of stopper two 6, and closing plate 601 runs through the bottom of gas pipeline 2 and the inside that stopper two 6 extended to gas pipeline 2, be equipped with separation gasbag 7 in the bottom of stopper one 5, be equipped with intake pipe 701 at the top of separation gasbag 7, and one side of intake pipe 701 is equipped with air cock 702, be equipped with protection film 703 on the surface of separation gasbag 7, be equipped with inflator 8 at the top of gas pipeline 2, be equipped with pump rod 801 in the inside of inflator 8, all be equipped with one-way air valve 802 in the both sides of inflator 8, and one side of one-way air valve 802 is equipped with gas-supply pipe 803.

Specifically, the first limiting block 5 is arranged on two sides of the top surface of the interior of the gas pipeline 2, the positioning groove 501 is arranged on two sides of the bottom of the first limiting block 5, the sealing strip 502 is arranged inside the positioning groove 501, the second limiting block 6 is arranged on two sides of the bottom surface of the interior of the gas pipeline 2, the sealing plate 601 is arranged on the front surface of the second limiting block 6, the sealing plate 601 penetrates through the bottom of the gas pipeline 2 and the second limiting block 6 and extends into the interior of the gas pipeline 2, the blocking air bag 7 is arranged at the bottom of the first limiting block 5, the air inlet pipe 701 is arranged at the top of the blocking air bag 7, the air nozzle 702 is arranged on one side of the air inlet pipe 701, the protective film 703 is arranged on the surface of the blocking air bag 7, the air cylinder 8 is arranged at the top of the gas pipeline 2, the pumping rod 801 is arranged inside the air cylinder 8, the one-way air valves 802 are arranged on two sides of the air cylinder 8, and the air pipe 803 is arranged on one side of the one-way air valves 802, inflating through the inflator 8, sending air into the blocking air bag 7 through the air pipe 803, inflating through the blocking air bag 7 to increase, and blocking the gas pipeline 2, thereby enhancing the sealing performance of the blocking device, matching with the sealing plate 601 through the positioning groove 501 for use, fixing the sealing plate 601 inside the positioning groove 501, sealing the gap through the sealing strip 502, thereby preventing the leakage of natural gas, enhancing the sealing effect, thereby enhancing the sealing performance of the whole device, reducing the resource waste caused by the gas leakage, being convenient to use, protecting the blocking air bag 7 through the protective film 703, preventing the blocking air bag 7 from being damaged under the long-time scouring of the gas, prolonging the service life of the blocking air bag 7, and being convenient to use;

specifically, the gas ports 303 are arranged on two sides of the bottom of the gas pipeline 2 in a penetrating manner, the standby pipeline 3 is arranged at the bottom of the gas ports 303, the valve 301 is arranged at the communication position between the standby pipeline 3 and the gas ports 303, the sealing ring 302 is arranged outside the valve 301, the standby pipeline 3 plays a role in pipeline conversion, so that when the plugging gas pipeline 2 is overhauled, gas can be converted into the standby pipeline 3 for circulation, the normal use requirement of citizens can be met, the use is convenient, the standby pipeline 3 can be sealed through the valve 301 and the sealing ring 302, the gas leakage is prevented, the sealing effect is enhanced, the use is convenient, the gas is dredged through the standby pipeline 3, the plugging expansion of the gas pipeline 2 is not easy to cause, the expansion and burst properties of the gas pipeline 2 are reduced, the safety is enhanced, and the use is convenient;

specifically, through running through in the bottom of gas pipeline 2 and being equipped with air duct 4, be equipped with extraction opening 401 in the bottom of air duct 4, be equipped with control valve 402 in the bottom of extraction opening 401, use through air duct 4 and the cooperation of extraction opening 401, can collect by remaining gas in the gas pipeline 2 of wall part to carry out the reutilization of gas, reduced the waste of gas resource, strengthened the economic benefits ability, it is comparatively convenient to use.

The working principle is as follows: inflating through the inflator 8, sending gas into the inside of the blocking air bag 7 through the gas pipe 803, inflating through the blocking air bag 7 to be enlarged, blocking the gas pipeline 2, thereby enhancing the sealing performance of the blocking device, being matched with the sealing plate 601 through the positioning groove 501 for use, fixing the sealing plate 601 inside the positioning groove 501, sealing the gap through the sealing strip 502, thereby preventing the leakage of natural gas, enhancing the sealing effect, thereby enhancing the sealing performance of the whole device, reducing the resource waste caused by the gas leakage, being convenient for use, protecting the blocking air bag 7 through the protective film 703, preventing the blocking air bag 7 from being damaged under the long-time scouring of the gas, prolonging the service life of the blocking air bag 7, being convenient for use, playing a pipeline switching role through the spare pipeline 3, and enabling the gas to be switched to the spare pipeline 3 for circulation when the blocking gas pipeline 2 is overhauled, be used for satisfying citizen's normal use demand, it is comparatively convenient to use, and can seal up stand-by pipe 3 through valve 301 and sealing washer 302, prevent that the gas from leaking, sealed effect has been strengthened, it is comparatively convenient to use, and dredge to the gas through stand-by pipe 3, be difficult for causing the jam inflation of gas pipeline 2, the inflation crack nature of gas pipeline 2 has been reduced, the security has been strengthened, it is comparatively convenient to use, use through air duct 4 and extraction opening 401 cooperation, can collect remaining gas in the gas pipeline 2 by wall part, thereby carry out the reutilization of gas, the waste of gas resource has been reduced, the saving performance has been strengthened, it is comparatively convenient to use.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. 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. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a pipeline plugging device for town gas engineering, includes support (1), gas pipeline (2), spare pipeline (3), air duct (4), stopper one (5), stopper two (6), separation gasbag (7) and inflator (8), its characterized in that: the gas pipeline support is characterized in that a fixing ring (101) is arranged at the top of the support (1), a gas pipeline (2) is arranged inside the fixing ring (101), gas ports (303) are arranged on two sides of the bottom of the gas pipeline (2) in a penetrating manner, a standby pipeline (3) is arranged at the bottom of the gas ports (303), a gas guide pipe (4) is arranged at the bottom of the gas pipeline (2) in a penetrating manner, an air suction opening (401) is arranged at the bottom of the gas guide pipe (4), limiting blocks (5) are arranged on two sides of the top surface of the inside of the gas pipeline (2), positioning grooves (501) are arranged on two sides of the bottom of the limiting blocks (5), sealing strips (502) are arranged inside the positioning grooves (501), limiting blocks (6) are arranged on two sides of the bottom surface of the inside of the gas pipeline (2), a sealing plate (601) is arranged on the front surface of the limiting blocks (6), and the sealing plate (601) penetrates through the bottom of the gas pipeline (2) and the limiting blocks (6) and extends to the inside of the gas pipeline (2), the bottom of stopper one (5) is equipped with separation gasbag (7), the top of separation gasbag (7) is equipped with intake pipe (701), and one side of intake pipe (701) is equipped with air cock (702), the surface of separation gasbag (7) is equipped with protection film (703), the top of gas pipeline (2) is equipped with inflator (8), the both sides of inflator (8) all are equipped with one-way air valve (802), and one side of one-way air valve (802) is equipped with gas-supply pipe (803).

2. The pipeline plugging device for the town gas engineering according to claim 1, wherein: the front surface of the gas pipeline (2) is provided with a nameplate mark (201).

3. The pipeline plugging device for the town gas engineering according to claim 1, wherein: the spare pipeline (3) is equipped with valve (301) with the intercommunication department of gas port (303), and the outside of valve (301) is equipped with sealing washer (302).

4. The pipeline plugging device for the town gas engineering according to claim 1, wherein: and a control valve (402) is arranged at the bottom of the pumping hole (401).

5. The pipeline plugging device for the town gas engineering according to claim 1, wherein: a drawing rod (801) is arranged in the air cylinder (8).