CN212012093U

CN212012093U - Empty pipeline plugging device with good leakproofness

Info

Publication number: CN212012093U
Application number: CN202020680808.XU
Authority: CN
Inventors: 陈新民
Original assignee: Zhejiang Jihong Electric Co ltd
Current assignee: Zhejiang Jihong Electric Co ltd
Priority date: 2020-04-28
Filing date: 2020-04-28
Publication date: 2020-11-24
Anticipated expiration: 2030-04-28

Abstract

The utility model discloses a hollow pipeline plugging device with good sealing performance, which comprises a shell, wherein an air bag is fixedly arranged in the shell, a first fixed plate is fixedly connected with the inner wall of the shell, the first fixed plate is connected with a movable plate through a first telescopic rod, a groove is arranged on the outer surface of the movable plate, a connecting rod is arranged on the outer surface of the shell in an inserting way, the connecting rod is connected with a limiting rod through a second telescopic rod, a limiting block is fixedly connected with the lower surface of the limiting rod, a second fixed plate is fixedly connected with the inner wall of the shell, a limiting ring is fixedly connected with the upper surface of the second fixed plate, an insecticide bag is fixedly arranged in the limiting ring, the insecticide bag is attached to the air bag, the device has good sealing effect through the arrangement of a series of structures, and meanwhile, the service life of the air bag is greatly prolonged, and the air bag is easy to be inflated in time.

Description

Empty pipeline plugging device with good leakproofness

Technical Field

The utility model relates to a pipeline shutoff equipment technical field specifically is an empty pipe blocking ware with good leakproofness.

Background

With the progress of science and technology in China and the rapid development of electric power and communication services, because the electric wires and cables are erected on the ground and at high altitude, which not only affects the transportation but also occupies a large space, the underground pipeline installation of electric wires and cables in the aspects of national electric power, communication and the like is gradually converted into the underground pipeline installation, usually, the places are in the watery or humid environment, in the design and construction of the cable protection pipe of the existing power company or municipal administration unit, the empty pipeline hole for the cable is not sealed or is conveniently plugged by using plastic bags and the like, so that foreign matters such as sewage, mice, snakes, insects and the like can enter and damage the cable frequently, or construction workers can often plug the cable by using mud slurry, the cable is difficult to detach, install and maintain, and the operation safety of the cable and the cable protection pipe stringing operation are seriously affected.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an empty pipe plugging device with good leakproofness to solve the problem that provides among the above-mentioned background art.

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

a hollow pipeline plugging device with good sealing performance comprises a shell, wherein an air bag is fixedly mounted inside the shell, a first fixing plate is fixedly connected to the inner wall of the shell, a first telescopic rod is fixedly connected to the lower surface of the first fixing plate, a movable plate is fixedly connected to one end, away from the first fixing plate, of the first telescopic rod, a groove is formed in the outer surface of the movable plate, a connecting rod is arranged on the outer surface of the shell in an inserting mode, a second telescopic rod is fixedly connected to one end, located inside the shell, of the connecting rod, a second spring is sleeved on the outer surface of the second telescopic rod, a limiting rod is fixedly connected to one end, away from the connecting rod, of the second telescopic rod, a limiting block is fixedly connected to the lower surface of the limiting rod, a second fixing plate is fixedly connected to the inner wall of the shell, and, the inside fixed mounting of spacing ring has the insecticide package, the insecticide package with the gasbag laminating.

As a further aspect of the present invention: the outer surface of the air bag is coated with an anti-corrosion coating, and the air bag is made of a plastic material.

As a further aspect of the present invention: the outer surface intercommunication of gasbag has the charging connector, the charging connector runs through and extends to the surface of shell, just the fixed surface of shell installs the visor.

As a further aspect of the present invention: the outer surface cover of first telescopic link is equipped with first spring, first spring with the top fixed connection of fly leaf.

As a further aspect of the present invention: the limiting groove is formed in the bottom wall of the groove and matched with the limiting block.

As a further aspect of the present invention: the outer surface of the connecting rod is coated with reflective powder, a contact block is fixedly connected to the outer surface of the connecting rod, and the contact block is located on the outer surface of the shell.

Compared with the prior art, the utility model has the advantages that the air bag has good sealing performance, a user firstly inflates the air bag through the inflating nozzle to expand the air bag and extrude a lead inside the shell to enable the inside of the shell to be in a sealing state and prevent dust, insects and the like from entering the interior of the plugging device, the protecting cover is arranged to protect the inflating nozzle and prevent the inflating nozzle from being blocked, the first fixing plate is arranged to limit the first telescopic rod and the first spring, when the air bag is full of air, the connecting plate and the insecticide bag are extruded due to expansion, the insecticide bag is limited by the limiting ring to extrude and release the insecticide inside, further, insects on the outer surface of the shell can be killed, the air bag is prevented from being bitten by the insects, the service life of the air bag is effectively prolonged, at the moment, the first spring is extruded through the connecting plate due to the extrusion of the air bag, stopper and spacing groove through setting up are mutually supported, and then make the gag lever post be in inside the recess all the time, the second spring is though have elasticity and outwards pull out the gag lever post all the time this moment, when the inside air of gasbag distributes gradually, can slowly become soft, thrust to the connecting plate reduces gradually this moment, when thrust is less than the elasticity of first spring, first spring promotes the connecting plate downwards, the stopper leaves the spacing groove, the elasticity through the second spring this moment, make the connecting rod pop out to the shell surface rapidly, the person of facilitating the use discovers that the inside air of gasbag is not enough, in time inflate the gasbag.

Drawings

Fig. 1 is a schematic view showing the overall structure of an empty pipe plugging device with good sealing performance.

Fig. 2 is an enlarged view of a structure of fig. 1 in an empty pipe plugging device having good sealability.

Fig. 3 is an enlarged view of a structure B of fig. 1 in an empty pipe plugging device having good sealability.

Fig. 4 is a schematic perspective view of a stopper in an empty pipeline stopper with good sealing performance.

In the figure: 1. a housing; 2. an air bag; 3. an air charging nozzle; 4. a protective cover; 5. a first fixing plate; 6. a first telescopic rod; 7. A first spring; 8. a movable plate; 9. a groove; 10. a limiting groove; 11. a connecting rod; 12. a contact block; 13. a second telescopic rod; 14. a second spring; 15. a limiting rod; 16. a limiting block; 17. a second fixing plate; 18. a limiting ring; 19. an insecticide bag.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Referring to fig. 1-4, an empty pipe plugging device with good sealing performance comprises a housing 1, an air bag 2 is fixedly installed inside the housing 1, a first fixing plate 5 is fixedly connected to the inner wall of the housing 1, a first telescopic rod 6 is fixedly connected to the lower surface of the first fixing plate 5, a movable plate 8 is fixedly connected to one end of the first telescopic rod 6, which is far away from the first fixing plate 5, a groove 9 is formed on the outer surface of the movable plate 8, a connecting rod 11 is inserted into the outer surface of the housing 1, a second telescopic rod 13 is fixedly connected to one end of the connecting rod 11, which is located inside the housing 1, a second spring 14 is sleeved on the outer surface of the second telescopic rod 13, a limiting rod 15 is fixedly connected to one end of the second telescopic rod 13, which is far away from the connecting rod 11, a limiting block 16 is fixedly connected to the lower surface of the limiting rod 15, a second fixing plate, an insecticide bag 19 is fixedly arranged in the limiting ring 18, and the insecticide bag 19 is attached to the air bag 2.

Furthermore, the outer surface of the air bag 2 is coated with an anti-corrosion coating, and the air bag 2 is made of a plastic material, so that the toughness of the air bag 2 is improved, and the service life of the air bag 2 can be prolonged.

Further, the outer surface of the airbag 2 is communicated with an inflating nozzle 3, the inflating nozzle 3 penetrates through and extends to the outer surface of the shell 1, and a protective cover 4 is fixedly arranged on the outer surface of the shell 1, so that the inflating nozzle 3 is protected, and external dust is prevented from entering the inflating nozzle 3 to cause blockage.

Further, the outer surface cover of first telescopic link 6 is equipped with first spring 7, the top fixed connection of first spring 7 and fly leaf 8, and first telescopic link 6 plays the effect to first spring 7 protection, and first spring 7 carries out decurrent extrusion to fly leaf 8 simultaneously.

Further, the limiting groove 10 is formed in the bottom wall of the groove 9, the limiting groove 10 is matched with the limiting block 16, the movable plate 8 is limited, and the air bag 2 can be extruded.

Furthermore, the outer surface of the connecting rod 11 is coated with reflective powder, the outer surface of the connecting rod 11 is fixedly connected with a contact block 12, the contact block 12 is located on the outer surface of the shell 1, the limiting effect is achieved, and one end of the connecting rod 11 is located on the outer surface of the shell 1 all the time.

The utility model discloses a theory of operation is: the user inspects the tightness of the device before using, the air bag 2 is arranged to achieve good tightness, the user inflates the air bag 2 through the charging connector 3 to expand the air bag 2 to extrude a lead inside the shell 1, the shell 1 is in a sealed state to prevent dust, insects and the like from entering the interior of the plugging device, the protective cover 4 is arranged to protect the charging connector 3 to prevent the charging connector 3 from being blocked, the first fixing plate 5 is arranged to limit the first telescopic rod 6 and the first spring 7, after the air bag 2 is full of air, the movable plate 8 and the insecticide bag 19 are extruded due to expansion, the insecticide bag 19 is limited through the limiting ring 18 to enable the insecticide inside to be extruded and released, further, the insects on the outer surface of the shell 1 can be killed, the insects are prevented from biting the air bag, and the service life of the air bag is effectively prolonged, at this moment, because the extrusion of gasbag 2, extrude first spring 7 through fly leaf 8, stopper 16 and spacing groove 10 through setting up mutually support, and then make gag lever post 15 be in inside recess 9 all the time, second spring 14 has elasticity and outwards pulls out gag lever post 15 all the time this moment, when the inside air of gasbag distributes gradually, can slowly soften, thrust to fly leaf 8 reduces gradually this moment, when thrust is less than the elasticity of first spring 7, first spring 7 promotes fly leaf 8 downwards, stopper 16 leaves spacing groove 10, elasticity through second spring 14 this moment, make connecting rod 11 pop out to shell 1 surface rapidly, the person of facilitating the use discovers that the inside air of gasbag 2 is not enough, in time inflate gasbag 2.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, 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 by those of ordinary skill in the art through specific situations.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. An empty pipe plugging device with good sealing performance comprises a shell (1), and is characterized in that: the air bag type air bag structure is characterized in that an air bag (2) is fixedly mounted inside the shell (1), a first fixing plate (5) is fixedly connected to the inner wall of the shell (1), a first telescopic rod (6) is fixedly connected to the lower surface of the first fixing plate (5), a movable plate (8) is fixedly connected to one end, away from the first fixing plate (5), of the first telescopic rod (6), a groove (9) is formed in the outer surface of the movable plate (8), a connecting rod (11) is arranged on the outer surface of the shell (1) in an inserting mode, a second telescopic rod (13) is fixedly connected to one end, located inside the shell (1), of the connecting rod (11), a second spring (14) is sleeved on the outer surface of the second telescopic rod (13), a limiting rod (15) is fixedly connected to one end, away from the connecting rod (11), of the second telescopic rod (13), and a, the inner wall fixedly connected with second fixed plate (17) of shell (1), the last fixed surface of second fixed plate (17) is connected with spacing ring (18), the inside fixed mounting of spacing ring (18) has insecticide package (19), insecticide package (19) with gasbag (2) laminating.

2. An empty pipe plugging device with good sealing performance according to claim 1, wherein: the outer surface of the air bag (2) is coated with an anti-corrosion coating, and the air bag (2) is made of a plastic material.

3. An empty pipe plugging device with good sealing performance according to claim 1, wherein: the outer surface intercommunication of gasbag (2) has charging connector (3), charging connector (3) run through and extend to the surface of shell (1), just the fixed surface of shell (1) installs visor (4).

4. An empty pipe plugging device with good sealing performance according to claim 1, wherein: the outer surface cover of first telescopic link (6) is equipped with first spring (7), first spring (7) with the top fixed connection of fly leaf (8).

5. An empty pipe plugging device with good sealing performance according to claim 1, wherein: the limiting groove (10) is formed in the bottom wall of the groove (9), and the limiting groove (10) is matched with the limiting block (16).

6. An empty pipe plugging device with good sealing performance according to claim 1, wherein: the outer surface of the connecting rod (11) is coated with reflective powder, a contact block (12) is fixedly connected to the outer surface of the connecting rod (11), and the contact block (12) is located on the outer surface of the shell (1).