CN215568912U

CN215568912U - Pipeline plugging device for gas engineering

Info

Publication number: CN215568912U
Application number: CN202121055487.5U
Authority: CN
Inventors: 关庆勇
Original assignee: Guan Qingyong
Current assignee: Guan Qingyong
Priority date: 2021-05-18
Filing date: 2021-05-18
Publication date: 2022-01-18
Anticipated expiration: 2031-05-18

Abstract

The utility model relates to the technical field of gas engineering, and discloses a pipeline plugging device for gas engineering, which comprises a pipeline, an end cover, a fixing bolt, four inner plugging devices and four outer plugging devices, wherein the end cover is arranged at one end of the pipeline and movably connected to the pipeline through the fixing bolt, the inner plugging devices are arranged at the center of an inner cavity of the end cover and movably connected to the end cover, the outer plugging device is arranged at one end of the end cover and movably connected to the end cover, the utility model can directly rotate a rotating disc through a hand groove to enable the outer surface of a rubber ring to be tightly attached to the inner wall of the pipeline, so that the first layer of plugging can be carried out on the pipeline, the device has simple structure and convenient operation, the time of workers is saved, and in addition, the second layer of plugging on the pipeline is realized through the mutual matching of an annular air bag, a vent pipe and a plug, so that the blocked pipeline is not easy to leak air.

Description

Pipeline plugging device for gas engineering

Technical Field

The utility model relates to the technical field of gas engineering, in particular to a pipeline plugging device for the gas engineering.

Background

A pipeline is a device for transporting a gas, liquid or fluid with solid particles, connected by pipes, pipe couplings, valves, etc. Generally, a fluid is pressurized by a blower, a compressor, a pump, a boiler, etc., and then flows from a high pressure portion to a low pressure portion of a pipe, or is transported by the pressure or gravity of the fluid itself. The use of pipelines is very widespread, mainly in water supply, drainage, heating, gas supply, long-distance oil and gas delivery, agricultural irrigation, hydraulic engineering and various industrial installations. The pipeline also needs to be used in the gas engineering, the pipeline inevitably can appear the condition of damage in long-time use, when carrying out the maintenance to the pipeline, generally need use pipeline plugging device, however, current pipeline plugging device also has some weak points when using, and current pipeline plugging device is installed more troublesome, wastes the more time of staff, and in addition, current pipeline plugging device is after the installation, and the gas tightness is not good, the condition that probably appears leaking.

Therefore, the pipeline plugging device for the gas engineering is designed.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a pipeline plugging device for gas engineering, which solves the problems in the background technology.

In order to achieve the purpose, the utility model adopts the technical scheme that:

the utility model provides a pipeline plugging device for gas engineering, includes pipeline, end cover, fixing bolt, interior plugging device and outer plugging device, the one end of pipeline is equipped with the end cover, the end cover passes through fixing bolt swing joint in the pipeline, fixing bolt is equipped with four, end cover inner chamber center department is located to interior plugging device, and interior plugging device swing joint in end cover, end cover one end is located to outer plugging device, and outer plugging device swing joint in end cover.

Further, interior plugging device includes rubber ring, rolling disc, lead screw, movable block and gag lever post, the inboard of rubber ring is for carving the shape structure, and the one end fixed connection of rubber ring in end cover inner chamber bottom, the rolling disc is located in the recess that end cover one end surface was seted up, and the rolling disc rotates and connects in end cover recess inner wall, the one end fixed connection of lead screw in rolling disc one end, the rubber ring inboard is located to the other end of lead screw, movable block center department sets up the recess that the inner wall has the screw thread, and the movable block passes through threaded connection with the lead screw, the gag lever post is equipped with two, and gag lever post one end fixed connection is in the recess bottom that end cover inner chamber bottom was seted up, and the gag lever post other end is located in the recess that the movable block was seted up.

Furthermore, two hand grooves are formed in the rotating disc.

Furthermore, the surface of the limiting rod is provided with two limiting plates, and one end of each limiting plate is fixedly connected with the limiting rod.

Further, outer plugging device includes annular gasbag, breather pipe and stopper, the end cover inboard is located to the annular gasbag, and the surface of annular gasbag bonds in the end cover lateral wall, and a through-hole has been seted up to annular gasbag surface department, breather pipe surface fixed connection is in the through-hole inner wall that the end cover lateral wall was seted up, breather pipe bottom fixed connection in the through-hole department that the annular gasbag was seted up, stopper swing joint is in breather pipe department.

The utility model has the beneficial effects that:

1. the utility model discloses a, through mutually supporting of rubber ring, rolling disc, lead screw, movable block and gag lever post, directly rotate the rolling disc through the hand groove for the pipeline inner wall is hugged closely to rubber ring surface, can carry out the shutoff of first layer to the pipeline, the device simple structure, and convenient operation has practiced thrift staff's time.

2. The utility model discloses a, through mutually supporting of annular gasbag, breather pipe and stopper for the pipeline surface can be hugged closely to the annular gasbag inboard, thereby realized the second floor shutoff to the pipeline, under the effect of double-deck shutoff, make the difficult condition that appears leaking gas of pipeline after the shutoff.

Drawings

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

FIG. 2 is a schematic cross-sectional view of the present invention;

fig. 3 is a schematic structural diagram of a in fig. 2.

In the figure: 1. a pipeline; 2. an end cap; 3. fixing the bolt; 4. an inner plugging device; 5. an outer plugging device; 6. a rubber ring; 7. rotating the disc; 8. a screw rod; 9. a moving block; 10. a limiting rod; 11. a hand groove; 12. a limiting plate; 13. an annular air bag; 14. a breather pipe; 15. and (4) a plug.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. 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 FIGS. 1-3: the utility model provides a pipeline plugging device for gas engineering, includes pipeline 1, end cover 2, fixing bolt 3, interior plugging device 4 and outer plugging device 5, and the one end of pipeline 1 is equipped with end cover 2, and end cover 2 is through 3 swing joint of fixing bolt in pipeline 1, and fixing bolt 3 is equipped with four, and 2 inner chamber center departments of end cover are located to

interior plugging device

4, and 4 swing joint of interior plugging device in

end cover

2, and 2 one ends of end cover are located to outer plugging device 5, and 5 swing joint in end cover 2 of outer plugging device.

Wherein, the inner plugging device 4 comprises a rubber ring 6, a rotating disc 7, a screw rod 8, a moving block 9 and a limiting rod 10, the inner side of the rubber ring 6 is of a wedge-shaped structure, one end of the rubber ring 6 is fixedly connected to the bottom of the inner cavity of the end cover 2, the rotating disc 7 is arranged in a groove formed in the outer surface of one end of the end cover 2, the rotating disc 7 is rotatably connected to the inner wall of the groove of the end cover 2, two hand grooves 11 are formed in the rotating disc 7, one end of the screw rod 8 is fixedly connected to one end of the rotating disc 7, the other end of the screw rod 8 is arranged on the inner side of the rubber ring 6, a groove with threads on the inner wall is formed in the center of the moving block 9, the moving block 9 is connected with the screw rod 8 through threads, two limiting rods 10 are arranged, one end of the limiting rod 10 is fixedly connected to the bottom of the groove formed in the bottom of the inner cavity of the end cover 2, the other end of the limiting rod 10 is arranged in the groove formed in the moving block 9, and two limiting plates 12 are arranged on the outer surface of the limiting rod 10, and limiting plate 12 one end and gag lever post 10 fixed connection, through mutually supporting of rubber ring 6, rolling disc 7, lead screw 8, movable block 9 and gag lever post 10, directly rotate rolling disc 7 through hand groove 11 for the surface of rubber ring 6 is hugging closely pipeline 1 inner wall, can carry out the shutoff of first layer to pipeline 1, and the device simple structure, convenient operation has practiced thrift staff's time.

Wherein, outer plugging device 5 includes annular gasbag 13, breather pipe 14 and stopper 15, 2 inboards of end cover are located to annular gasbag 13, and annular gasbag 13's surface bonds in 2 lateral walls of end cover, and annular gasbag 13 surface department has seted up the through-hole, breather pipe 14 surface fixed connection is in the through-hole inner wall that the 2 lateral walls of end cover were seted up, breather pipe 14 bottom fixed connection is in the through-hole department that annular gasbag 13 was seted up, stopper 15 swing joint is in breather pipe 14 department, through annular gasbag 13, mutually support of breather pipe 14 and stopper 15, make annular gasbag 13 inboard can hug closely pipeline 1 surface, thereby realized the second layer shutoff to pipeline 1, under the effect of double-deck shutoff, make pipeline 1 after the shutoff difficult the condition that the gas leakage appears.

In summary, when the utility model is used, a worker firstly sleeves the end cover 2 on one end of the pipeline 1, then tightens the fixing bolt 3 to fix the end cover 2 and the pipeline 1, then rotates the rotating disc 7 through the hand groove 11, the rotating disc 7 drives the screw rod 8 to rotate, because the moving block 9 is in threaded connection with the screw rod 8, the moving block 9 moves into the pipeline 1 under the action of the limiting rod 10, the moving block 9 presses the rubber ring 6 along with the continuous movement of the moving block 9, so that the outer surface of the rubber ring 6 is tightly attached to the inner wall of the pipeline 1, then the worker pulls out the plug 15, ventilates into the annular air bag 13 through the vent pipe 14, so that the inner side of the annular air bag 13 is tightly attached to the outer surface of the pipeline 1, and finally inserts the plug 15 into the vent pipe 14.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a pipeline plugging device for gas engineering, includes pipeline (1), end cover (2), fixing bolt (3), interior plugging device (4) and outer plugging device (5), its characterized in that: the one end of pipeline (1) is equipped with end cover (2), end cover (2) are through fixing bolt (3) swing joint in pipeline (1), fixing bolt (3) are equipped with four, end cover (2) inner chamber center department is located in interior plugging device (4), and interior plugging device (4) swing joint in end cover (2), end cover (2) one end is located in outer plugging device (5), and outer plugging device (5) swing joint in end cover (2).

2. The pipeline plugging device for the gas engineering according to claim 1, wherein: the inner plugging device (4) comprises a rubber ring (6), a rotating disc (7), a lead screw (8), a moving block (9) and a limiting rod (10), the inner side of the rubber ring (6) is of a wedge-shaped structure, one end of the rubber ring (6) is fixedly connected to the bottom of the inner cavity of the end cover (2), the rotating disc (7) is arranged in a groove formed in the outer surface of one end of the end cover (2), the rotating disc (7) is rotatably connected to the inner wall of the groove of the end cover (2), one end of the lead screw (8) is fixedly connected to one end of the rotating disc (7), the other end of the lead screw (8) is arranged on the inner side of the rubber ring (6), a groove with threads on the inner wall is formed in the center of the moving block (9), the moving block (9) is in threaded connection with the lead screw (8), two limiting rods (10) are arranged, and one end of each limiting rod (10) is fixedly connected to the bottom of the groove formed in the bottom of the inner cavity of the end cover (2), the other end of the limiting rod (10) is arranged in a groove arranged on the moving block (9).

3. The pipeline plugging device for the gas engineering according to claim 2, wherein: two hand grooves (11) are formed in the rotating disc (7).

4. The pipeline plugging device for the gas engineering according to claim 2, wherein: the outer surface of the limiting rod (10) is provided with two limiting plates (12), and one end of each limiting plate (12) is fixedly connected with the limiting rod (10).

5. The pipeline plugging device for the gas engineering according to claim 1, wherein: outer plugging device (5) include annular gasbag (13), breather pipe (14) and stopper (15), end cover (2) are inboard located in annular gasbag (13), and the surface of annular gasbag (13) bonds in end cover (2) lateral wall, and annular gasbag (13) surface department has seted up the through-hole, breather pipe (14) surface fixed connection is in the through-hole inner wall that end cover (2) lateral wall was seted up, breather pipe (14) bottom fixed connection in the through-hole department that annular gasbag (13) was seted up, stopper (15) swing joint is in breather pipe (14) department.