CN217003656U - Pipeline plugging device with gas port protection structure - Google Patents

Abstract

The utility model relates to the technical field of pipeline plugging, in particular to a pipeline plugging device with a gas port protection structure, which comprises a plugging air bag, wherein the upper end of the plugging air bag is fixedly connected with a fixed sleeve through a fixed disc, a connecting block is inserted in the fixed sleeve, the middle part of the connecting block penetrates through and is fixedly connected with an air pipe, a fixed rod is fixedly arranged inside the upper end of the air pipe, the middle part of the fixed rod is connected with a plugging ball through a second spring, and the lower end of the plugging air bag is fixedly provided with a barrier removal disc. According to the utility model, the air port of the air pipe is arranged to be narrow at the top and wide at the bottom, and the air port is sealed by the blocking ball by utilizing the extrusion force of the second spring, so that foreign matters can not block the air port when the air bag is not used, and the blocking ball is impacted by utilizing the impact force of the air pump during inflation, so that air flow can normally enter the air bag, and when no air flow exists, the blocking ball automatically returns to the original position to block the air port.

Description

Pipeline plugging device with gas port protection structure

Technical Field

The utility model relates to the technical field of pipeline plugging, in particular to a pipeline plugging device with a gas port protection structure.

Background

The pipeline plugging device is also called plugging air bag, and is made by vulcanizing high-quality rubber and fiber reinforced layer. The plugging air bag has good expansion resistance, elasticity and flexibility, and can be used under various working conditions. And the method is simple to operate, has good aging resistance and long service life.

The pipeline plugging device mainly comprises an air bag, an air inlet and outlet connector, a pressure gauge, a 6-meter long special air pressure rubber pipe and an inflation tool, wherein the inflation connector is arranged at one end of the air bag, in daily use, the inflation connector is generally exposed in the air, the condition that foreign matters block an air port easily occurs, the inflation speed of the air bag is low, even the air bag cannot be inflated, the air port is generally fixedly connected with an air bag body, when the air port cannot be used, the whole air bag cannot work, the air bag needs to be replaced with a new air bag, and resource waste is caused to a certain extent.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a pipeline plugging device with a gas port protection structure, which aims to solve the problem that the gas port of the existing pipeline plugging device in the background technology is generally fixedly connected with an air bag, so that the air bag is easy to block, and the air bag cannot work.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a pipeline plugging device with gas port protection architecture, includes the shutoff gasbag, the upper end of shutoff gasbag passes through fixed disk fixedly connected with fixed cover, and inserts in the fixed cover and be equipped with the connecting block to the middle part of connecting block runs through the fixedly connected with trachea, the inside fixed mounting in tracheal upper end has the dead lever, and the middle part of dead lever has the shutoff ball through second spring coupling, the lower extreme fixed mounting of shutoff gasbag has the dish of removing obstacles.

Preferably, the inside of the fixed sleeve is of a threaded structure, the outer surface of the connecting block is provided with threads, and the connecting block and the fixed sleeve form threaded connection.

Preferably, the lower extreme of connecting block is evenly seted up flutedly, and all is provided with first spring in every group recess to the upper end and the recess top fixed connection of first spring, the even screw thread in the upper end outside of connecting block is inserted and is equipped with the locking bolt, the upper surface of fixed cover is evenly seted up and is tied matched with screw hole with the locking.

Preferably, the movable block sets up to the loop configuration, the lower extreme of first spring is contradicted on the movable block, the outside activity of movable block is embedded in fixed cover, the movable block constitutes with fixed cover and rotates to be connected.

Preferably, the upper end of the air pipe is of a structure with a narrow upper part and a wide lower part, and the blocking ball is abutted and sealed in the air pipe through a second spring.

Preferably, an annular groove is formed in the outer side of the obstacle clearing disc, and anti-skidding convex points are uniformly distributed in the annular groove.

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

(1) according to the utility model, the air port of the air pipe is arranged to be narrow at the top and wide at the bottom, and the air port is sealed by the blocking ball by utilizing the extrusion force of the second spring, so that foreign matters can not block the air port when the air bag is not used, and the blocking ball is impacted by utilizing the impact force of the air pump during inflation, so that air flow can normally enter the air bag, and when no air flow exists, the blocking ball automatically returns to the original position to block the air port.

(2) The fixing sleeve with the threaded hole structure is arranged and matched with the connecting block, so that the air pipe and the air bag are more convenient to disassemble and assemble, the connecting stability and the sealing property between the connecting block and the fixing sleeve are ensured by utilizing the elasticity of the first spring and the uniformly distributed locking bolts, in addition, when the air pipe is damaged, only the connecting block needs to be replaced, the whole air bag does not need to be discarded, and the resources are saved to a certain degree.

Description of the drawings:

in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

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

FIG. 2 is an enlarged view of the structure at A in FIG. 1 according to the present invention;

FIG. 3 is a schematic top view of the structure of the present invention;

fig. 4 is a schematic front view of the structure of the present invention.

In the figure: 1. plugging the air bag; 2. fixing the disc; 3. fixing a sleeve; 4. connecting blocks; 5. a first spring; 6. a movable block; 7. a locking bolt; 8. an air tube; 9. fixing the rod; 10. a second spring; 11. plugging the ball; 12. obstacle clearing disc.

The specific implementation mode is as follows:

the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, an embodiment of the present invention is shown: the utility model provides a pipeline plugging device with gas port protection architecture, includes shutoff gasbag 1, and fixed cover 3 of 2 fixedly connected with of fixed disk is passed through to the upper end of shutoff gasbag 1, and inserts in fixed cover 3 and be equipped with connecting block 4 to the middle part of connecting block 4 runs through fixedly connected with trachea 8, and the inside fixed mounting in upper end of trachea 8 has dead lever 9, and the middle part of dead lever 9 is connected with shutoff ball 11 through second spring 10, and the lower extreme fixed mounting of shutoff gasbag 1 has wrecker 12.

Furthermore, the interior of the fixed sleeve 3 is provided with a threaded structure, the outer surface of the connecting block 4 is provided with threads, the connecting block 4 and the fixed sleeve 3 form threaded connection, and the threaded connection structure design facilitates the rotation, disassembly and assembly of the connecting block 4 and the fixed sleeve 3, so that the subsequent replacement of the air pipe 8 is facilitated;

further, the lower end of the connecting block 4 is uniformly provided with grooves, each group of grooves is internally provided with a first spring 5, the upper end of each first spring 5 is fixedly connected with the top of the groove, the outer side of the upper end of the connecting block 4 is uniformly inserted with a locking bolt 7 in a threaded manner, the upper surface of the fixing sleeve 3 is uniformly provided with threaded holes matched with the locking bolts 7, each movable block 6 is of an annular structure, the lower end of each first spring 5 abuts against the corresponding movable block 6, the outer side of each movable block 6 is movably embedded in the corresponding fixing sleeve 3, the movable blocks 6 and the fixing sleeves 3 form a rotating connection, when the connecting block 4 is screwed into the corresponding fixing sleeve 3, the first springs 5 are in contact with the movable blocks 6 until the first springs 5 tightly abut against the movable blocks 6, the connecting block 4 rotates under the extrusion of the first springs 5 until the connecting block 4 and the corresponding fixing sleeve 3 form a tight connection, after the connection is completed, the elastic force of the first spring 5 is utilized to provide an extrusion force for the connecting block 4, so that the connection between the connecting block 4 and the fixed sleeve 3 is more stable, and the locking bolt 7 around the connecting block 4 is matched, so that the connection stability between the connecting block 4 and the fixed sleeve 3 is further ensured, and the air pipe 8 cannot be separated from the plugging air bag 1;

Furthermore, the upper end of the air pipe 8 is set to be of a structure with a narrow upper part and a wide lower part, the blocking ball 11 is abutted and sealed in the air pipe 8 through the second spring 10, and the elasticity of the second spring 10 is utilized, so that the blocking ball 11 can always block the air pipe 8 under the condition of no impact force, and the air port of the air pipe 8 is protected, thereby effectively preventing the blocking air bag 1 from blocking the air pipe 8 by foreign matters when not used;

further, the annular groove has been seted up in the outside of obstacles removing dish 12, and evenly distributed has anti-skidding bump in the annular groove, according to the size of pipeline, twine rope made of hemp or other soft article on obstacles removing dish 12, and twine to suitable number of turns, utilize anti-skidding bump, guarantee winding stability, shutoff gasbag 1 is at the in-process that gets into the pipeline, obstacles removing dish 12 clears up the debris in the pipeline, promote it backward, can effectively reduce debris and the contact of shutoff gasbag 1 self, in order to reduce the condition that shutoff gasbag 1 was punctureed by debris, the operation safety of shutoff gasbag 1 has been guaranteed.

The working principle is as follows: when the device is used, an air pipe 8 on a plugging air bag 1 is fixedly connected with an air pump, hemp ropes or other soft objects are wound on a barrier removing disc 12 according to the size of a pipeline until the diameter of the barrier removing disc 12 is almost the same as that of the pipeline, then the plugging air bag 1 is moved into the pipeline, in the moving process, sundries in the pipeline are pushed backwards by the barrier removing disc 12, when the plugging air bag 1 is moved to a proper position of the pipeline, the air pump is started to inflate the plugging air bag 1, and when the air pump is inflated, air flow impacts the plugging ball 11 to jack the plugging ball 11, and enters the plugging air bag 1 until the plugging air bag 1 completely plugs the pipeline;

After plugging is finished, when the plugging airbag 1 is taken out, the connection between the air pump and the air pipe 8 is released, the plugging ball 11 returns to the original position under the elasticity of the second spring 10, at the moment, the plugging ball 11 is pushed open through the thin rod, and the air in the plugging airbag 1 is discharged, and after the air is discharged, the air pipe 8 is continuously plugged by the plugging ball 11 so as to prevent foreign matters from plugging the air port of the air pipe 8 when the plugging airbag 1 is not used;

when the air pipe 8 is accidentally damaged, the locking bolts 7 are sequentially released, the connecting block 4 is screwed, the connecting block 4 is communicated with the air pipe 8 and is detached from the fixed sleeve 3, and a new air pipe 8 is replaced.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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 (6)

1. The utility model provides a pipeline plugging device with gas port protection architecture, includes shutoff gasbag (1), its characterized in that: the upper end of shutoff gasbag (1) is passed through fixed disk (2) fixedly connected with fixed cover (3), and inserts in fixed cover (3) and be equipped with connecting block (4) to the middle part of connecting block (4) runs through fixedly connected with trachea (8), the inside fixed mounting in upper end of trachea (8) has dead lever (9), and the middle part of dead lever (9) is connected with shutoff ball (11) through second spring (10), the lower extreme fixed mounting of shutoff gasbag (1) has obstacle clearance dish (12).

2. A pipeline closure with a vent protection mechanism in accordance with claim 1, wherein: the inside of fixed cover (3) sets up to the helicitic texture, the surface of connecting block (4) is provided with the screw thread, threaded connection is constituteed with fixed cover (3) in connecting block (4).

3. A pipeline closure with a vent protection mechanism in accordance with claim 1, wherein: the lower extreme of connecting block (4) is evenly seted up flutedly, and all is provided with first spring (5) in every group recess to the upper end and the recess top fixed connection of first spring (5), the even screw thread in the upper end outside of connecting block (4) is inserted and is equipped with locking bolt (7), the upper surface of fixed cover (3) is evenly seted up and is tied (7) matched with screw hole with the locking.

4. A pipeline closure with a vent protection mechanism in accordance with claim 3, wherein: the lower extreme of first spring (5) is contradicted on movable block (6), movable block (6) set up to the loop configuration, the outside activity embedded of movable block (6) is in fixed cover (3), movable block (6) are constituteed with fixed cover (3) and are rotated and be connected.

5. A pipeline closure with a vent protection mechanism in accordance with claim 1, wherein: the upper end of trachea (8) sets up to narrow down wide structure, shutoff ball (11) are contradicted through second spring (10) and are sealed in trachea (8).

6. A pipeline closure with a port protection feature as claimed in claim 1, wherein: an annular groove is formed in the outer side of the obstacle clearing disc (12), and anti-skidding convex points are uniformly distributed in the annular groove.

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