CN216479602U - Gas pipeline plugging piece - Google Patents
Gas pipeline plugging piece Download PDFInfo
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- CN216479602U CN216479602U CN202120684465.9U CN202120684465U CN216479602U CN 216479602 U CN216479602 U CN 216479602U CN 202120684465 U CN202120684465 U CN 202120684465U CN 216479602 U CN216479602 U CN 216479602U
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- boss
- gas pipeline
- sealing plug
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Abstract
The utility model discloses a gas pipeline plugging piece which comprises an upper base and a lower base which are arranged up and down, wherein a first arc-shaped groove is formed in the bottom of the upper base, a second arc-shaped groove is formed in the top of the lower base, the first arc-shaped groove and the second arc-shaped groove form a through hole for accommodating a gas pipeline, a sealing cylinder is fixedly arranged at the top of the upper base, a cylinder cavity of the sealing cylinder is communicated with the through hole, a sealing plug is connected with the cylinder cavity of the sealing cylinder in a threaded manner, and a sealing cap is arranged on the sealing cylinder. Its purpose is in order to provide a simple structure, easy and simple to handle's gas pipeline shutoff piece.
Description
Technical Field
The utility model relates to the field of gas pipelines, in particular to a device for plugging a gas pipeline.
Background
In the gas pipe network, in order to maintain the gas pipeline or sweep the operation to gas pipeline low reaches, often can use the shutoff piece, current shutoff piece structure is comparatively complicated, and operation flow is loaded down with trivial details, can not satisfy the demand of rapid operation.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of providing a gas pipeline plugging piece which is simple in structure and convenient to operate.
The gas pipeline plugging piece comprises an upper base and a lower base which are arranged up and down, wherein a first arc-shaped groove is formed in the bottom of the upper base, a second arc-shaped groove is formed in the top of the lower base, the first arc-shaped groove and the second arc-shaped groove form a through hole for accommodating a gas pipeline, a sealing cylinder is fixedly arranged at the top of the upper base, a cylinder cavity of the sealing cylinder is communicated with the through hole, a sealing plug is connected with the cylinder cavity of the sealing cylinder in a threaded manner, and a sealing cap is arranged on the sealing cylinder.
The utility model relates to a gas pipeline plugging piece, wherein a boss is circumferentially arranged in a cylinder cavity of a sealing cylinder, the inner cylinder diameter of the sealing cylinder above the boss is larger than that of the sealing cylinder below the boss, the sealing plug is columnar, a radial flange is circumferentially arranged at the upper end of the sealing plug, the lower end of the sealing plug is in threaded connection with the cylinder cavity of the sealing cylinder below the boss, the radial flange is abutted against the boss, and an annular sealing ring is arranged between the radial flange and the boss.
According to the gas pipeline plugging piece, the top of the sealing plug is provided with the polygonal sinking groove, and the bottom of the sinking groove is provided with the threaded blind hole.
According to the gas pipeline plugging piece, the conical transition surface is arranged between the boss and the cylinder cavity of the sealing cylinder below the boss, and the inner diameter of the conical transition surface is gradually reduced from top to bottom.
The utility model relates to a gas pipeline plugging piece, wherein a specific mode that a sealing cap is arranged on a sealing cylinder is as follows: the sealing cap is sleeved on the sealing barrel in a threaded manner, the sealing barrel is positioned in the sealing cap, and an annular sealing gasket is arranged between the upper port of the sealing barrel and the sealing cap.
According to the gas pipeline plugging piece, the top of the sealing cap is fixedly provided with the strip-shaped convex block.
The difference between the gas pipeline plugging piece and the prior art is that when the gas pipeline plugging piece is used, the upper base and the lower base are mutually buckled on the gas pipeline, namely, the gas pipeline is positioned in a through hole formed by the first arc-shaped groove and the second arc-shaped groove, then the upper base and the lower base are welded with the gas pipeline, the ball valve is arranged on the upper base, the tapping machine is arranged on the ball valve, the mechanical arm of the tapping machine is used for tapping the gas pipeline (the mechanical arm sequentially passes through the connecting box of the tapping machine, the inner cavity of the ball valve and the cylinder cavity of the sealing cylinder from top to bottom and then reaches the gas pipeline positioned at the through hole), then the existing plugging device is conveyed into the gas pipeline through the mechanical arm of the tapping machine, the downstream of the gas pipeline is purged through the existing plugging device, or when the downstream gas pipeline is maintained, the gas at the upstream of the gas pipeline is guided. After the downstream gas pipeline finishes blowing operation or maintenance, the existing plugging device is moved out of the gas pipeline through a mechanical arm of the tapping machine, then the sealing plug is installed on the mechanical arm of the tapping machine, the sealing plug is installed in a cylinder cavity of the sealing cylinder through the mechanical arm, and then whether the sealing plug is installed in place or not is detected through an exhaust valve on a connecting box of the tapping machine, namely if the exhaust valve leaks air, the sealing plug is not installed in place, otherwise, if the exhaust valve does not leak air, the sealing plug is installed in place. After the sealing plug is installed in place, the tapping machine and the ball valve can be detached, and then the sealing cap is installed on the sealing cylinder. Therefore, the utility model has simple structure and simple and convenient operation, and can greatly improve the working efficiency.
The utility model will be further explained with reference to the drawings.
Drawings
FIG. 1 is a schematic view of the structure of the gas pipeline plugging member of the present invention;
FIG. 2 is a transverse cross-sectional view of the gas pipeline block piece of the present invention;
FIG. 3 is an enlarged view of a portion of the sealing cartridge, sealing plug and sealing cap of FIG. 2;
fig. 4 is a schematic view of the sealing plug of the present invention;
FIG. 5 is an enlarged view of a portion of the upper base of FIG. 2;
FIG. 6 is a view showing a state of use of the gas pipe plugging member of the present invention;
FIG. 7 is a front view of the attachment of the sealing plug to the sealing cartridge;
fig. 8 is a front cross-sectional view of the attachment of the sealing plug to the sealing cartridge.
Detailed Description
As shown in fig. 1 and fig. 2-6, the gas pipeline plugging member of the present invention comprises an upper base 5 and a lower base 6 which are arranged up and down, wherein the bottom of the upper base 5 is provided with a first arc-shaped groove 7, the top of the lower base 6 is provided with a second arc-shaped groove 8, the first arc-shaped groove 7 and the second arc-shaped groove 8 form a through hole for accommodating a gas pipeline 21, the top of the upper base 5 is fixedly provided with a sealing cylinder 4, and the sealing cylinder 4 and the upper base 5 are in an integral structure. The cylinder cavity 10 of the sealing cylinder 4 is communicated with the through hole, the cylinder cavity 10 of the sealing cylinder 4 is connected with a sealing plug 9 in a threaded manner, and the sealing cylinder 4 is provided with a sealing cap 2.
As shown in fig. 2 and with reference to fig. 3 to 5, a boss 13 arranged in the circumferential direction is arranged in a cylinder cavity 10 of the sealing cylinder 4, the inner cylinder diameter of the sealing cylinder 4 above the boss 13 is larger than the inner cylinder diameter of the sealing cylinder 4 below the boss 13, the sealing plug 9 is columnar, a radial flange 11 arranged in the circumferential direction is arranged at the upper end of the sealing plug 9, the lower end of the sealing plug 9 is connected in the cylinder cavity 10 of the sealing cylinder 4 below the boss 13 in a threaded manner, the radial flange 11 abuts against the boss 13, and an annular sealing ring 17 is arranged between the radial flange 11 and the boss 13. The annular sealing ring 17 further enhances the sealing between the sealing plug 9 and the sealing cylinder 4.
As shown in fig. 3 and 5, a conical transition surface 16 is provided between the boss 13 and the cylinder cavity 10 of the sealing cylinder 4 below the boss 13, and the inner diameter of the conical transition surface 16 gradually decreases from top to bottom. The conical transition surface 16 is provided to facilitate the sealing plug 9 to enter the cylinder cavity 10 of the sealing cylinder 4 below the boss 13 from the cylinder cavity 10 of the sealing cylinder 4 above the boss 13 when the sealing plug 9 is installed, so as to play a guiding role.
As shown in fig. 2 and 3, the specific manner of providing the sealing cap 2 on the sealing cylinder 4 is as follows: the sealing cap 2 is sleeved on the sealing barrel 4 in a threaded manner, the sealing barrel 4 is positioned in the sealing cap 2, an annular sealing gasket 12 is arranged between the upper port of the sealing barrel 4 and the sealing cap 2, and the sealing performance between the sealing cap 2 and the sealing barrel 4 can be further enhanced by the annular sealing gasket 12. The top of the sealing cap 2 is fixedly provided with a strip-shaped projection 1, and the strip-shaped projection 1 is arranged, so that the sealing cap 2 can be rotatably arranged on the sealing barrel 4 by using tools such as a wrench and the like for workers.
As shown in fig. 6, the gas pipeline plugging member of the present invention is different from the prior art in that when the present invention is used, the upper base 5 and the lower base 6 are mutually fastened on the gas pipeline 21, that is, the gas pipeline 21 is located in the through hole formed by the first arc-shaped groove 7 and the second arc-shaped groove 8, then the upper base 5 and the lower base 6 are welded with the gas pipeline 21, the ball valve 20 is installed on the upper base 5, the tapping machine is installed on the ball valve 20, the gas pipeline 21 is tapped by the mechanical arm 18 of the tapping machine (the mechanical arm 18 passes through the connecting box 19 of the tapping machine, the inner cavity of the ball valve 20 and the cylinder cavity 10 of the sealing cylinder 4 from top to bottom in sequence and then reaches the gas pipeline 21 located at the through hole), then the existing plugging device is transported into the gas pipeline 21 by the mechanical arm 18 of the tapping machine, and the downstream of the gas pipeline 21 is purged by the existing plugging device, or when the downstream gas pipeline 21 is under maintenance, the gas at the upstream of the gas pipeline 21 is guided. After the downstream gas pipeline 21 is subjected to purging operation or maintenance, the existing plugging device is moved out of the gas pipeline 21 through the mechanical arm 18 of the tapping machine, then the sealing plug 9 is installed on the mechanical arm 18 of the tapping machine, the sealing plug 9 is installed in the cylinder cavity 10 of the sealing cylinder 4 through the mechanical arm 18, and then whether the sealing plug 9 is installed in place is detected through the exhaust valve 22 on the tapping machine connecting box 19, namely if the exhaust valve 22 leaks air, the sealing plug is not installed in place, otherwise, if the exhaust valve 22 does not leak air, the sealing plug is installed in place. After the sealing plug 9 is installed in place, the tapping machine and the ball valve 20 can be removed, and then the sealing cap 2 is installed on the sealing cylinder 4. Therefore, the utility model has simple structure and simple and convenient operation, and can greatly improve the working efficiency.
For the structure and the operation principle of the above-mentioned conventional plugging device, please refer to the utility model patent documents with the application number of CN202020673999.7, the publication date of 2021, 01, 19 and the name of "plugging device", which are not repeated herein.
As shown in fig. 2 and 3, the top of the sealing plug 9 is provided with a polygonal sinking groove 3, and the bottom of the sinking groove 3 is provided with a threaded blind hole 14. When the mechanical arm 18 of the tapping machine is used for installing the sealing plug 9 in the barrel cavity 10 of the sealing barrel 4, the connecting head 23 shown in fig. 7 and 8 is needed, the connecting head 23 comprises a barrel-shaped body 24, the shape of the outer barrel wall of the barrel-shaped body 24 is matched with that of the polygonal sinking groove 3, a connecting rod 25 is arranged in the barrel cavity of the barrel-shaped body 24, an external thread matched with the threaded blind hole 14 at the bottom of the sinking groove 3 is arranged at the lower end of the connecting rod 25, and a gap is reserved between the connecting rod 25 and the barrel cavity of the barrel-shaped body 24. When the sealing plug device is used, the connecting head 23 is installed on the mechanical arm 18 of the tapping machine, then the lower end of the connecting rod 25 is connected to the threaded blind hole 14 in a threaded mode (the purpose that the connecting rod 25 is connected with the threaded blind hole 14 is to prevent the sealing plug 9 from falling off when the mechanical arm 18 conveys the sealing plug 9), then the lower end of the cylindrical body 24 is inserted into the polygonal sinking groove 3, the sealing plug 9 is conveyed into the cylinder cavity 10 of the sealing cylinder 4 through the mechanical arm 18, then the mechanical arm 18 is rotated, the cylindrical body 24 drives the sealing plug 9 to rotate, and therefore the sealing plug 9 is screwed into the cylinder cavity 10 of the sealing cylinder 4, and threaded connection between the sealing plug 9 and the sealing cylinder 4 is achieved. After the sealing plug 9 is screwed into the sealing cylinder 4, the cylinder body 24 is separated from the polygonal sinking groove 3 of the sealing plug 9, and then the mechanical arm 18 is rotated to separate the connecting rod 25 from the threaded blind hole 14 of the sealing plug 9, thereby completing the installation of the sealing plug 9.
It should be noted that the terms "center", "upper", "lower", "front", "rear", "left", "right", "middle", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element 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.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The above-mentioned embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solution of the present invention by those skilled in the art should fall within the protection scope defined by the claims of the present invention without departing from the spirit of the present invention.
Claims (6)
1. The utility model provides a gas pipeline shutoff piece which characterized in that: including the last base and the lower base of arranging from top to bottom, the bottom of going up the base is equipped with first arc recess, the top of base is equipped with second arc recess down, first arc recess and second arc recess form the through-hole that holds the gas pipeline, the fixed sealed section of thick bamboo that is equipped with in top of going up the base, the section of thick bamboo chamber and the through-hole intercommunication of sealed section of thick bamboo, the section of thick bamboo chamber female connection of sealed section of thick bamboo has the sealing plug, be equipped with sealed cap on the sealed section of thick bamboo.
2. A gas conduit block as claimed in claim 1, wherein: the sealing device is characterized in that a boss arranged in the circumferential direction is arranged in a cylinder cavity of the sealing cylinder, the inner cylinder diameter of the sealing cylinder above the boss is larger than that of the sealing cylinder below the boss, the sealing plug is columnar, a radial flange arranged in the circumferential direction is arranged at the upper end of the sealing plug, the lower end of the sealing plug is connected in the cylinder cavity of the sealing cylinder below the boss in a threaded manner, the radial flange is abutted to the boss, and an annular sealing ring is arranged between the radial flange and the boss.
3. A gas conduit block piece as claimed in claim 2, wherein: the top of the sealing plug is provided with a polygonal sinking groove, and the bottom of the sinking groove is provided with a threaded blind hole.
4. A gas conduit block piece as claimed in claim 3, wherein: a conical transition surface is arranged between the boss and a cylinder cavity of the sealing cylinder below the boss, and the inner diameter of the conical transition surface gradually decreases from top to bottom.
5. The gas pipeline plugging member according to claim 4, wherein the specific mode of providing the sealing cap on the sealing cylinder is as follows: the sealing cap is sleeved on the sealing barrel in a threaded manner, the sealing barrel is positioned in the sealing cap, and an annular sealing gasket is arranged between the upper port of the sealing barrel and the sealing cap.
6. A gas conduit block piece as claimed in claim 5, wherein: and a strip-shaped convex block is fixedly arranged at the top of the sealing cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120684465.9U CN216479602U (en) | 2021-04-02 | 2021-04-02 | Gas pipeline plugging piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120684465.9U CN216479602U (en) | 2021-04-02 | 2021-04-02 | Gas pipeline plugging piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216479602U true CN216479602U (en) | 2022-05-10 |
Family
ID=81394508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120684465.9U Active CN216479602U (en) | 2021-04-02 | 2021-04-02 | Gas pipeline plugging piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216479602U (en) |
-
2021
- 2021-04-02 CN CN202120684465.9U patent/CN216479602U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |