CN210637683U

CN210637683U - Pipeline plugging device for gas engineering

Info

Publication number: CN210637683U
Application number: CN201921679074.7U
Authority: CN
Inventors: 马海利; 耿洁
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-10-09
Filing date: 2019-10-09
Publication date: 2020-05-29
Anticipated expiration: 2029-10-09

Abstract

The utility model discloses a pipeline plugging device for gas engineering, including the gas pipeline, the upper end middle part fixed mounting of gas pipeline has the air pump, the equal fixed mounting in both ends has concave type stopper about the inner chamber of gas pipeline, the concave type stopper fixed mounting of gas pipeline inner chamber upside has the gasbag, the gasbag divide into two-layer and outmost liquid of being equipped with, the air pump passes through the fixed intercommunication of trachea and gasbag. The utility model discloses a thereby the air pump can be aerifyd the gasbag and can carry out the shutoff with the gas pipeline of maintenance section, can carry out spacing and liquid to the gasbag through concave type stopper, thereby can effectual increase gasbag to the shutoff effect of gas pipeline, then twist sealed lid off, thereby fix the connecting pipe on two air cocks through twisting the nut, thereby can trade the pipe with the gas and ventilate, further need not salvage after changing gas conveying pipeline before the shutoff, thereby guarantee citizen's normal use.

Description

Pipeline plugging device for gas engineering

Technical Field

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

Background

Currently, there are some deficiencies in the existing, for example; before plugging and rush-repairing a gas pipeline, in order to guarantee normal use of citizens, the gas pipeline cannot be directly disconnected for conveying gas, the gas pipeline needs to be replaced and then rush-repaired before plugging, and normal use of the citizens is guaranteed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pipeline plugging device for gas engineering has solved the problem that proposes in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a pipeline plugging device for gas engineering comprises a gas pipeline;

the middle part of the upper end of the gas pipeline is fixedly provided with an air pump, the upper end and the lower end of an inner cavity of the gas pipeline are both fixedly provided with concave limiting blocks, the concave limiting blocks on the upper side of the inner cavity of the gas pipeline are fixedly provided with air bags, the air bags are divided into two layers, the outermost layer of the air bags is provided with liquid, and the air pump is fixedly communicated with the air bags through air pipes;

the through-hole has all been seted up to the upper end left and right sides of gas pipeline, two equal fixed mounting has the air cock in the through-hole, two all be equipped with sealed lid in the air cock, two internal thread a has all been seted up to the inner chamber of air cock, two external screw thread a has all been seted up in the outside of sealed lid, two external screw thread a respectively with two internal screw thread a screwed connection, two external screw thread b, two have all been seted up in the outside of air cock the upside of air cock is equipped with the connecting pipe, the equal swing joint in both ends of connecting pipe has the nut, two the nut respectively with two external screw thread.

As a preferred embodiment of the present invention, two the outer side of the nut is fixedly provided with a fixing handle.

As a preferred embodiment of the utility model, the junction fixed mounting of trachea and gas pipeline has sealed the pad.

In a preferred embodiment of the present invention, the liquid at the outermost layer of the airbag is an antifreeze.

As an optimized implementation mode of the utility model, the upper end middle part fixed mounting of connecting pipe has control flap.

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

1. the utility model relates to a pipeline plugging device for gas engineering, thereby can aerify the gasbag through the air pump and can carry out the shutoff with the gas pipeline of maintenance section, can carry out spacing and liquid to the gasbag through concave type stopper, thereby can effectually increase the shutoff effect of gasbag to gas pipeline, then will seal the lid and unscrew, thereby fix the connecting pipe on two air faucets through twisting the nut, thereby can trade the pipe with the gas and ventilate, further need not salvage after changing gas conveying pipeline before the shutoff again, thereby guarantee citizen's normal use.

2. The utility model relates to a pipeline plugging device for gas engineering makes things convenient for operating personnel to hand need not twist the nut with the spanner through fixed handle to can effectual efficiency, convenient and fast who improves work.

3. The utility model relates to a pipeline plugging device for gas engineering can effectual increase the leakproofness between gas pipeline and the trachea through sealed the pad, and further the gas that prevents appears reveals and takes place danger.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a front view of the pipeline plugging device for gas engineering of the present invention;

fig. 2 is the utility model relates to a pipeline plugging device gas pipeline's for gas engineering top view.

In the figure: 1. a gas pipeline; 2. an air tap; 3. a through hole; 4. an external thread b; 5. an internal thread a; 6. an external thread a; 7. a sealing cover; 8. a connecting pipe; 9. a control valve; 10. an air pump; 11. an air tube; 12. a nut; 13. fixing a handle; 14. a gasket; 15. a concave limiting block; 16. an air bag; 17. a liquid.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Referring to fig. 1-2, the present invention provides a technical solution: a pipeline plugging device for gas engineering comprises a gas pipeline 1;

an air pump 10 is fixedly installed in the middle of the upper end of the gas pipeline 1, concave limiting blocks 15 are fixedly installed at the upper end and the lower end of an inner cavity of the gas pipeline 1, an air bag 16 is fixedly installed on the concave limiting blocks 15 on the upper side of the inner cavity of the gas pipeline 1, the air bag 16 is divided into two layers, liquid 17 is filled in the outermost layer of the air bag 16, and the air pump 10 is fixedly communicated with the air bag 16 through an air pipe 11;

the left side and the right side of the upper end of the gas pipeline 1 are both provided with through holes 3, the two through holes 3 are both fixedly provided with air nozzles 2, the two air nozzles 2 are both internally provided with sealing covers 7, the inner cavities of the two air nozzles 2 are both provided with internal threads a5, the outer sides of the two sealing covers 7 are both provided with external threads a6, the two external threads a6 are respectively in screw connection with the two internal threads a5, the outer sides of the two air nozzles 2 are both provided with external threads b4, the upper sides of the two air nozzles 2 are provided with connecting pipes 8, the two ends of the connecting pipes 8 are both movably connected with nuts 12, the two nuts 12 are respectively in screw connection with the two external threads b4, the air bag 16 can be inflated by the air pump 10 so as to plug the gas pipeline 1 at the maintenance section, the air bag 16 can be limited and liquid can be carried out through the concave limiting blocks 15, then unscrew sealed lid 7, thereby fix connecting pipe 8 on two air cocks 2 through twisting nut 12 to can change the pipe with the gas and ventilate, further need not change the gas conveying pipeline before the shutoff and salvage again, thereby guarantee citizen's normal use.

In this embodiment (as shown in fig. 1), two the equal fixed mounting in outside of nut 12 has fixed handle 13, makes things convenient for operating personnel to hand through fixed handle 13 and need not twist the screw 12 nut with the spanner to can effectual improvement work efficiency, convenient and fast.

In this embodiment (see fig. 2), a sealing gasket 14 is fixedly installed at a joint of the gas pipe 11 and the gas pipe 1, and the sealing performance between the gas pipe 1 and the gas pipe 11 can be effectively improved by the sealing gasket 14, so as to further prevent the occurrence of gas leakage risk.

In this embodiment (see fig. 1), the liquid 17 at the outermost layer of the air bag 16 is an antifreeze, and the liquid 17 is an antifreeze, so that damage to the air bag 16 due to the increase of the frozen volume of the liquid 17 with a low temperature can be effectively prevented, and the effect of blocking due to the damage of the air bag 16 can be prevented.

In this embodiment (please refer to fig. 1), a control valve 9 is fixedly installed in the middle of the upper end of the connecting pipe 8, and the flow of the fuel gas can be conveniently controlled through the control valve 9.

It should be noted that the utility model relates to a pipeline plugging device for gas engineering, including gas pipeline 1, air cock 2, through-hole 3, external screw thread b4, internal screw thread a5, external screw thread a6, sealed lid 7, connecting pipe 8, control flap 9, air pump 10, trachea 11, nut 12, fixed handle 13, sealed pad 14, concave type stopper 15, gasbag 16, liquid 17, the part is general standard component or the part that technical personnel in this field know, its structure and principle all can be known through the technical manual or through conventional experimental method, in operation, can inflate gasbag 16 through air pump 10 and thus can carry out the shutoff to gas pipeline 1 of maintenance section, can carry out spacing and liquid to gasbag 16 through concave type stopper 15, thus can the effectual shutoff effect of increasing gasbag 16 to gas pipeline 1, then unscrew sealed lid 7, then through twisting nut 12 and thereby fix connecting pipe 8 on two air cocks 2, thereby can trade the pipe with the gas and ventilate, further need not change gas conveying pipeline before the shutoff and then salvage, thereby guarantee citizen's normal use, it does not need to twist the screw 12 mother with the spanner to make things convenient for operating personnel to hand through fixed handle 13, thereby can effectual improvement efficiency of work, convenient and fast, can effectually increase the leakproofness between gas pipeline 1 and the trachea 11 through sealed pad 14, further prevent that the gas from revealing and taking place danger, can effectually prevent the freezing volume increase of the lower liquid 17 of temperature from leading to the fact destruction to gasbag 16 for the antifreeze solution through liquid 17, prevent that gasbag 16 from destroying the effect that influences the shutoff, can conveniently control the flow of gas through control flap 9.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied 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.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A pipeline plugging device for gas engineering is characterized by comprising a gas pipeline (1);

an air pump (10) is fixedly installed in the middle of the upper end of the gas pipeline (1), concave limiting blocks (15) are fixedly installed at the upper end and the lower end of an inner cavity of the gas pipeline (1), an air bag (16) is fixedly installed on the concave limiting blocks (15) on the upper side of the inner cavity of the gas pipeline (1), the air bag (16) is divided into two layers, liquid (17) is installed on the outermost layer of the air bag, and the air pump (10) is fixedly communicated with the air bag (16) through an air pipe (11);

through-hole (3), two have all been seted up to the upper end left and right sides of gas pipeline (1) equal fixed mounting has air cock (2), two in through-hole (3) all be equipped with sealed lid (7), two in air cock (2) the inner chamber of air cock (2) has all been seted up internal thread a (5), two external screw thread a (6), two have all been seted up in the outside of sealed lid (7) external screw thread a (6) two external screw thread a (6) respectively with two internal thread a (5) screwed connection, two external screw thread b (4) have all been seted up in the outside of air cock (2), two the upside of air cock (2) is equipped with connecting pipe (8), the equal swing joint in both ends of connecting pipe (8) has nut (12), two nut (12) respectively with two external screw thread b (4) screwed.

2. The pipeline plugging device for the gas engineering according to claim 1, wherein: and the outer sides of the two nuts (12) are fixedly provided with fixed handles (13).

3. The pipeline plugging device for the gas engineering according to claim 1, wherein: and a sealing gasket (14) is fixedly arranged at the joint of the air pipe (11) and the gas pipeline (1).

4. The pipeline plugging device for the gas engineering according to claim 1, wherein: the liquid (17) at the outermost layer of the air bag (16) is antifreeze.

5. The pipeline plugging device for the gas engineering according to claim 1, wherein: and a control valve (9) is fixedly arranged in the middle of the upper end of the connecting pipe (8).