CN217422611U - Pipeline air bag with water seal plug - Google Patents

Abstract

The utility model provides a pipeline shutoff gasbag of taking water belongs to plugging device technical field. The plugging air bag comprises an air bag and an inflation end fixing device arranged at an inflation end of the air bag; the outer surface of the air bag is provided with an annular bulge; the inflatable end fixing device comprises clamping pieces positioned on the inner side and the outer side of the inflatable end; the inflation end is provided with a hollow solenoid with an inflation hole and an air outlet hole, and the hollow solenoid is fixed through a fixing nut after passing through the clamping pieces positioned on the inner side and the outer side of the inflation end. The utility model provides a pipeline area water seal shutoff gasbag can be fast effectual blocks water the shutoff to the pipeline of different pipe diameters, and also can reach the better shutoff effect that blocks water to the pipe use of pipe inner wall unevenness.

Description

Pipeline air bag with water seal plug

Technical Field

The utility model relates to a plugging device technical field especially relates to a pipeline water shutoff gasbag.

Background

At present, when a pipeline is replaced or a valve is overhauled, the pipeline accumulated water cannot be normally welded or cut due to the fact that the valve is not tightly closed, a common water blocking air bag product is used, the pipe diameter requirement type is various, and the common water blocking air bag cannot meet the use requirement and cannot effectively block water for the pipeline with uneven inner wall.

SUMMERY OF THE UTILITY MODEL

In view of this, when changing or the valve overhauls at the pipeline in order to solve among the prior art, because the valve seals not tight, can not effectual shutoff block water, lead to pipeline ponding can't carry out the technical problem of normal welding or cutting to the pipeline, for this reason, the utility model provides a pipeline water shutoff gasbag can be fast effectual blocks water the shutoff to the pipeline of different pipe diameters, and also can reach the better shutoff effect that blocks water to the pipe-line use of pipeline inner wall unevenness.

In order to achieve the above object, the utility model provides a following technical scheme:

a pipeline water-carrying plugging air bag comprises an air bag and an inflation end fixing device arranged at the inflation end of the air bag;

the outer surface of the air bag is provided with an annular bulge;

the inflation end fixing device comprises clamping pieces positioned on the inner side of the inflation end and the outer side of the inflation end;

the inflatable end is provided with a hollow solenoid with an inflatable hole and an air outlet hole, and the hollow solenoid is fixed through a fixing nut after passing through the clamping pieces on the inner side and the outer side of the inflatable end.

Preferably, the air bag further comprises a tail end fixing device arranged at the tail end of the air bag and a tensioner positioned in the air bag;

one end of the tensioner is connected with the tail end fixing device;

one end of the hollow solenoid, which is positioned in the air bag, is connected with the other end of the tensioner.

Preferably, the tensioner is a chain tensioner.

Preferably, the material of the air bag is rubber.

Compared with the prior art, the utility model, following beneficial effect has:

1. the utility model provides a pipeline area water seal shutoff gasbag can be fast effectual blocks water the shutoff to the pipeline of different pipe diameters, and also can reach better shutoff effect that blocks water to the pipe-line use of pipeline inner wall unevenness.

2. The utility model provides a pipeline area water seal blocking air bag, the utilization has the rubber gasbag of the power that rises of certain limit after aerifing, can freely transform size and shape under the state that does not aerify, can radially expand after aerifing, thereby make gasbag radial force act on the pipeline inner wall, realize the effect of shutoff, increase multilayer annular protruding structure on the gasbag surface, its effect is the frictional force at the pipeline inner wall after increasing the gasbag and aerifing, it is multiple protruding or sunken to respond to the inner wall, use chain formula strainer to make the gasbag reduce the distance to both ends expansion after aerifing the deformation, increase radial expansion's distance, increase radial expansion power, prevent to make the gasbag remove because of pipeline internal pressure, can pass through less hole after the gassing.

3. The utility model provides a pipeline area water seal blocking air bag uses the gasbag that blocks water of a specification can correspond the pipeline use of multiple diameter, and because of using the taut structure of chain formula, can use at less throwing hole, reducible whole activity duration reduces pipeline opening diameter, convenient and fast.

Drawings

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

FIG. 2 is a schematic view of the structure of an inflatable end fixing device;

in the figure, 1 is an air bag, 11 is an annular bulge, 2 is an inflation end fixing device, 21 is a clamping sheet, 22 is a hollow spiral tube, 23 is a fixing nut, 24 is an inflation hole, 25 is an air outlet hole, 3 is a tail end fixing device, and 4 is a tensioner.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments 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 as a specific case by those skilled in the art.

As shown in fig. 1-2, the utility model provides a pipeline water plugging air bag, which comprises an air bag 1 and an inflation end fixing device 2 arranged at the inflation end of the air bag 1;

the outer surface of the air bag 1 is provided with an annular bulge 11;

the inflation end fixing device 2 comprises clamping pieces 21 positioned on the inner side of the inflation end and the outer side of the inflation end;

the inflation end is provided with a hollow spiral tube 22 with an inflation hole 24 and an air outlet hole 25, and the hollow spiral tube 22 passes through the clamping sheets 21 on the inner side and the outer side of the inflation end and then is fixed by a fixing nut 23.

The pipeline water-carrying plugging air bag provided by the utility model inflates the air bag 1 through the inflation hole 24, and the air bag 1 with certain expansion force after inflation can expand radially after inflation, so that the radial force of the air bag acts on the inner wall of the pipeline to realize the plugging effect;

through set up multilayer annular protruding 11 structure on the surface of gasbag 1, can increase gasbag 1 aerify the back at the frictional force of pipeline inner wall, correspond the multiple arch of inner wall or descend.

The utility model also comprises a tail end fixing device 3 arranged at the tail end of the air bag 1 and a tensioner 4 positioned in the air bag 1;

one end of the tensioner 4 is connected with the tail end fixing device 3;

one end of the hollow solenoid 22 located in the airbag 1 is connected with the other end of the tensioner 4.

The tail end fixing device 3 can be selected to have the same structure as the inflatable end fixing device 2, and the difference is that the inflatable end fixing device 2 is selected to be a hollow spiral pipe with an inflatable hole 24 and an air outlet hole 25, and the tail end fixing device 3 is selected to be a solid bolt;

wherein, the strainer 4 can make gasbag 1 reduce after aerifing the deformation to the distance of both ends expansion, increases radial expanding's distance, increases radial expansion power, prevents to make gasbag 1 remove because of intraductal pressure, can pass through less hole after the gassing.

In the present invention, the tensioner 4 is a chain tensioner.

In the present invention, the material of the airbag 1 is rubber.

The above is only a preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the protection scope of the present invention by replacing or changing the technical solution and the modified concept of the present invention within the technical scope of the present invention.

Claims (4)

1. A pipeline water-carrying plugging air bag is characterized by comprising an air bag and an inflation end fixing device arranged at the inflation end of the air bag;

the outer surface of the air bag is provided with an annular bulge;

the inflation end fixing device comprises clamping pieces positioned on the inner side of the inflation end and the outer side of the inflation end;

the inflatable end is provided with a hollow solenoid with an inflatable hole and an air outlet hole, and the hollow solenoid is fixed through a fixing nut after passing through the clamping pieces on the inner side and the outer side of the inflatable end.

2. The pipeline water plugging air bag according to claim 1, further comprising a tail end fixing device arranged at the tail end of the air bag and a tensioner positioned in the air bag;

one end of the tensioner is connected with the tail end fixing device;

one end of the hollow solenoid, which is positioned in the air bag, is connected with the other end of the tensioner.

3. The pipeline water plugging air bag as claimed in claim 2, wherein the tensioner is a chain tensioner.

4. The pipeline plugging air bag with water according to any one of claims 1 to 3, wherein the material of the air bag is rubber.

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