CN205534813U - Pipeline plugging device - Google Patents
Pipeline plugging device Download PDFInfo
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- CN205534813U CN205534813U CN201620239519.XU CN201620239519U CN205534813U CN 205534813 U CN205534813 U CN 205534813U CN 201620239519 U CN201620239519 U CN 201620239519U CN 205534813 U CN205534813 U CN 205534813U
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- Prior art keywords
- pipeline
- cylinder
- main body
- apparatus main
- steel ball
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Abstract
The utility model discloses a pipeline plugging device belongs to oil gas warehousing and transportation field. The device includes: the device main part, the device main part is both ends open -ended tubular structure, the one end of device main part and the entry linkage of pipeline, just the device main part the inner chamber with the inner chamber intercommunication of pipeline, the other end of device main part is connected with the pipeline valve, be provided with sealing device in the device main part, work as when the low reaches position of pipeline takes place to leak, sealing device can it is under the effect of device main part both ends pressure differential, sealed the entry of pipeline. The utility model provides a pipeline plugging device simple structure need not to be connected the self sealing that can realize the pipeline with other auxiliary assembly, solved the correlation technique in the pipeline plugging device cost higher, the lower problem of shutoff efficiency. The utility model is used for the shutoff pipeline.
Description
Technical field
This utility model relates to Oil & Gas Storage field, particularly to a kind of pipeline plugging device.
Background technology
Pipeline plugging device is a kind of when oil-gas pipeline generation accidental release, for automatic plugging pipeline, keeps away
Exempt from the device that medium is revealed in pipeline.
In correlation technique, employed in small pipe-line (the such as nominal diameter pipeline less than 50 millimeters)
Pipeline plugging device is generally electromagnetic valve, and this electromagnetic valve is generally arranged at the porch of pipeline, and and combustible gas
The security alerting systems such as body alarm or fire protection warning device connect, when there is leakage in the downstream portion of pipeline,
Under the control of the alarm signal that this electromagnetic valve can be sent at security alerting system, turn off electromagnetic valve, real
The now closure to line inlet.
Pipeline plugging device in correlation technique needs to connect supply unit and it needs to supporting security alarm
System connects, and structure is complex, and it is relatively costly that pipeline blocks.
Utility model content
Complicated in order to solve pipeline plugging device structure in correlation technique, relatively costly problem, this practicality is new
Type provides a kind of pipeline plugging device.Described technical scheme is as follows:
This utility model embodiment provides a kind of pipeline plugging device, and this device includes:
Apparatus main body, this apparatus main body is the tubular structure of both ends open；
One end of this apparatus main body is connected with the entrance of pipeline, and the inner chamber of this apparatus main body and this pipeline is interior
Chamber connects, and the other end of this apparatus main body is connected with pipeline valve；
It is provided with sealing device in this apparatus main body, when there is leakage in the downstream portion of this pipeline, this sealing
Device can seal the entrance of this pipeline under the effect of this apparatus main body pressure at two ends difference.
Optionally, this apparatus main body, including: removable first cylinder and the second cylinder；
One end of this first cylinder is connected with the entrance of this pipeline, and the other end is connected with one end of this second cylinder,
And the inner space of the inner chamber of this first cylinder and this second cylinder；
The other end of this second cylinder is connected with this pipeline valve.
Optionally, this sealing device, including: sealing ring and steel ball；
This sealing ring is arranged in this first cylinder, and this steel ball is arranged in this second cylinder, this steel ball straight
Footpath is more than the internal diameter of this sealing ring, and when the downstream portion of this pipeline occurs leakage, this steel ball can be at this dress
Put under the effect of main body pressure at two ends difference, be rolled in this first cylinder, and contact with this sealing ring, seal
The entrance of this pipeline.
Optionally, this sealing device, also include: limited location snap ring；
This limited location snap ring is positioned at the junction of this first cylinder and this second cylinder；
The internal diameter of this limited location snap ring is less than or equal to the diameter of this steel ball, and this limited location snap ring is for this device master
When body pressure at two ends difference is less than predetermined threshold value, limits this steel ball and be rolled in this first cylinder.
Optionally, this limited location snap ring is provided with at least one through hole.
Optionally, one end of this first cylinder is provided with female thread, for the external screw thread with this line inlet
Connecting, the other end of this first cylinder is provided with external screw thread, for the female thread with one end of this second cylinder
Connect；
The other end of this second cylinder is provided with external screw thread, and the female thread for the one end with pipeline valve is connected.
Optionally, the external diameter of this apparatus main body is more than the external diameter of this pipeline.
Optionally, the internal diameter of this sealing ring is less than or equal to the internal diameter of this pipeline, and the diameter of this steel ball is equal to being somebody's turn to do
The internal diameter of pipeline.
Optionally, the internal diameter of the other end that this second cylinder is connected with pipeline valve is less than or equal to this steel ball
Diameter.
Optionally, this limited location snap ring is the tetrafluoroethene pad of annular.
The technical scheme that this utility model embodiment provides has the benefit that
This utility model embodiment provides a kind of pipeline plugging device, and this pipeline plugging device includes device master
Body, this apparatus main body is the tubular structure of both ends open；One end of this apparatus main body is connected with the entrance of pipeline,
And the inner chamber of this apparatus main body and the inner space of this pipeline, the other end of this apparatus main body and pipeline valve are even
Connect；It is provided with sealing device in this apparatus main body, when there is leakage in the downstream portion of this pipeline, this sealing
Device can seal the entrance of this pipeline under the effect of this apparatus main body pressure at two ends difference.This pipeline blocks
The simple in construction of device, it is not necessary to be connected the automatic-sealed that can realize pipeline with other auxiliary equipments, reduce
The cost of pipeline closure, improves the efficiency of pipeline closure.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme in this utility model embodiment, embodiment will be described below
The accompanying drawing used required in is briefly described, it should be apparent that, the accompanying drawing in describing below is only this
Some embodiments of utility model, for those of ordinary skill in the art, are not paying creative work
On the premise of, it is also possible to other accompanying drawing is obtained according to these accompanying drawings.
Fig. 1 is the structural representation of a kind of pipeline plugging device that this utility model embodiment provides；
Fig. 2 is the structural representation of the another kind of pipeline plugging device that this utility model embodiment provides；
Fig. 3 is the plugging effect schematic diagram of a kind of pipeline plugging device that this utility model embodiment provides；
Fig. 4 is the structural representation of a kind of limited location snap ring that this utility model embodiment provides.
Detailed description of the invention
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing to this
Utility model embodiment is described in further detail.
Fig. 1 is the structural representation of a kind of pipeline plugging device that this utility model embodiment provides, such as Fig. 1
Shown in, this device includes:
Apparatus main body 10, this apparatus main body 10 is the tubular structure of both ends open；The one of this apparatus main body 10
End a is connected with the entrance of pipeline (not shown in figure 1), and the inner chamber of this apparatus main body 10 and this pipeline
Inner space, the other end b of this apparatus main body 10 is connected with pipeline valve (not shown in figure 1), this pipe
Line valve can carry the transmission mediums such as oil, gas or water by this apparatus main body in this pipeline.
It is provided with sealing device 20 in this apparatus main body 10, when there is leakage in the downstream portion of this pipeline, should
Sealing device 20 can seal the entrance of this pipeline under the effect of this apparatus main body 10 pressure at two ends difference,
Stop transmission medium to enter this pipeline, and then effectively reduce the leakage rate of pipeline.
In sum, this utility model embodiment provides a kind of pipeline plugging device, this pipeline plugging device
Including apparatus main body and be arranged on the sealing device in this apparatus main body, when the downstream portion of this pipeline occurs
During leakage, this sealing device can seal entering of this pipeline under the effect of this apparatus main body pressure at two ends difference
Mouthful.The simple in construction of this pipeline plugging device, it is not necessary to be connected with other auxiliary equipments can realize pipeline from
Movable sealing, reduces the cost of pipeline closure, improves the efficiency of pipeline closure.
Fig. 2 is the structural representation of the another kind of pipeline plugging device that this utility model embodiment provides, such as Fig. 2
Shown in, this apparatus main body may include that removable first cylinder 101 and the second cylinder 102.
One end a of this first cylinder 101 is connected with the entrance of pipeline, the other end and this second cylinder 102
One end connects, and the inner space of the inner chamber of this first cylinder 101 and this second cylinder 102；This second
The other end b of body 102 is connected with this pipeline valve.This first cylinder and the dismantled and assembled setting of the second cylinder, just
In the sealing device in this apparatus main body and this apparatus main body is checked, keeps in repair and changes.
Further, as in figure 2 it is shown, this sealing device may include that sealing ring 201 and steel ball 202.
This sealing ring 201 is arranged in this first cylinder 101, and this steel ball 202 is arranged on this second cylinder 102
In, the diameter d1 of this steel ball 202 is more than or equal to the internal diameter d2 of this sealing ring 201, when the downstream of this pipeline
When position occurs leakage, the pressure of one end a that this apparatus main body 10 is connected with this pipeline diminishes, and the other end
The pressure of b does not changes, and therefore this steel ball 202 can be in the effect of this apparatus main body 10 pressure at two ends difference
Under, it is rolled in this first cylinder 101, and contacts with this sealing ring 201, thus seal entering of this pipeline
Mouthful.
Fig. 3 is the plugging effect schematic diagram of a kind of pipeline plugging device that this utility model embodiment provides, as
Shown in Fig. 3, when this steel ball 202 contacts with this sealing ring 201, this first cylinder 101 can be sealed
Inner chamber, the medium that prevention flows into this apparatus main body inner chamber from pipeline valve flows in this pipeline again, thus
Reach to seal the effect of line inlet, it is to avoid the leakage of medium in pipeline, especially for high pressure osculum
Footpath pipeline, the plugging effect of the pipeline plugging device that this utility model embodiment provides is preferable.Wherein, this is close
Seal 201 can be rubber ring, and rubber ring has certain elasticity, and sealing effectiveness is preferable.
Optionally, as in figure 2 it is shown, this sealing device can also include: limited location snap ring 203.
This limited location snap ring 203 is positioned at the junction of this first cylinder 101 and this second cylinder 102, and this is spacing
The internal diameter d3 of snap ring 203 is less than or equal to the diameter d1 of this steel ball 202, and this limited location snap ring 203 is at this
When apparatus main body 10 pressure at two ends difference is less than predetermined threshold value, limits this steel ball 202 and be rolled into this first cylinder 101
In, this limited location snap ring 203 can be the tetrafluoroethene pad of annular.
In this utility model embodiment, this first cylinder and the axis collinear of the second cylinder, and these two cylinders
Body removably connects, and this sealing ring and steel ball is separately positioned in two cylinders, is arranged by this limited location snap ring
Junction at two cylinders, it is simple to the dismounting of this pipeline plugging device and replacing.Additionally, operator are also
Various sizes of apparatus main body and sealing device can be selected according to the pipeline of different tube diameters, improve this pipe
The use motility of line plugging device.
In actual applications, when line downstream position occurs leakage, the pressure reduction at apparatus main body two ends is relatively big,
Make this steel ball can be under the effect of bigger pressure reduction, through this limited location snap ring, and be rolled into this first cylinder
In；When operator carry out the operation such as blowdown or instrument punching press to pipeline, this apparatus main body is with this pipeline even
The pressure of the one end connect also can change so that it is poor that these apparatus main body two ends form certain pressure, if this pressure
Power difference is less than predetermined threshold value, then steel ball through this limited location snap ring, cannot be kept away under the effect of this relatively small pressure difference
Exempt from when pipeline is carrying out normal blowdown or instrument punching press, when causing apparatus main body pressure at two ends difference, steel
The mistake of this pipeline opening is sealed by pearl so that this pipeline can be normally carried out blowdown or instrument punching operation.
Further, when apparatus main body two ends, formation certain pressure is poor, and when this pressure differential is less than predetermined threshold value,
Although this steel ball cannot pass this limited location snap ring, but the opening of this limited location snap ring can be caused closure, in order to
Avoid steel ball to affect the normal conveying of transmission medium, can set on this limited location snap ring 203 as shown in Figure 4
Put at least one through hole 2031.Example, the limited location snap ring 203 shown in Fig. 4 is provided with two through holes 2031,
When pipeline is carrying out normal blowdown or instrument punching press, cause apparatus main body pressure at two ends different so that steel ball
When the opening of this limited location snap ring is caused closure, flow into the transmission apparatus main body inner chamber from pipeline valve and be situated between
Matter can also flow in pipeline by this at least one through hole, and further ensuring this pipeline can normally enter
Row blowdown or instrument punching press etc. operate.
Optionally, Fig. 2, one end a of this first cylinder 101 are provided with female thread, are used for and this pipeline
The external screw thread of porch connects, and the other end of this first cylinder 101 is provided with external screw thread, for this second
The female thread of one end of cylinder 102 connects；The other end b of this second cylinder 102 is provided with external screw thread, uses
Female thread in the one end with pipeline valve is connected.
Optionally, the external diameter of this apparatus main body 10 can be more than the external diameter of this pipeline.
It should be noted that in actual applications, as in figure 2 it is shown, the inside of this first cylinder 101 is permissible
Being provided with annular protrusion 101a, the internal diameter d4 of this annular protrusion 101a can be equal with the internal diameter of pipeline, should
For connecting the internal diameter d5 needs of one end (i.e. arranging female one end) of pipeline in first cylinder 101
Equal with the external diameter of pipeline.This sealing ring 201 can be arranged on this annular protrusion 101a away from the first cylinder
The side of one end a, the external diameter of this rubber ring 201 is equal with the internal diameter d6 of this first cylinder 101 other end,
To ensure the sealing property of this sealing ring.One end that this second cylinder 102 is connected with this first cylinder 101
Internal diameter is equal with the external diameter of this first cylinder 101 other end, and this second cylinder 102 is connected with pipeline valve
The internal diameter d7 of other end b can less than or equal to the diameter d1 of this steel ball 202, with limit this steel ball 202 to
The other end b of this second cylinder 102 rolls.
In this utility model embodiment, the internal diameter d2 of this sealing ring 201 can be less than or equal to the interior of pipeline
Footpath, the diameter d1 of this steel ball 202 can be equal to the internal diameter of this pipeline, to ensure this steel ball and this sealing ring energy
Enough openings effectively sealing this pipeline.
In sum, this utility model embodiment provides a kind of pipeline plugging device, this pipeline plugging device
Including apparatus main body and be arranged on the sealing device in this apparatus main body, when the downstream portion of this pipeline occurs
During leakage, this sealing device can seal entering of this pipeline under the effect of this apparatus main body pressure at two ends difference
Mouthful.The simple in construction of this pipeline plugging device, it is not necessary to be connected with other auxiliary equipments can realize pipeline from
Movable sealing, reduces the cost of pipeline closure, improves the efficiency of pipeline closure.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all
Within spirit of the present utility model and principle, any modification, equivalent substitution and improvement etc. made, all should wrap
Within being contained in protection domain of the present utility model.
Claims (10)
1. a pipeline plugging device, it is characterised in that described device includes:
Apparatus main body, described apparatus main body is the tubular structure of both ends open；
One end of described apparatus main body is connected with the entrance of pipeline, and the inner chamber of described apparatus main body and described pipe
The inner space of line, the other end of described apparatus main body is connected with pipeline valve；
It is provided with sealing device in described apparatus main body, when there is leakage in the downstream portion of described pipeline, institute
State sealing device and can seal the entrance of described pipeline under the effect of described apparatus main body pressure at two ends difference.
Device the most according to claim 1, it is characterised in that described apparatus main body, including:
Removable first cylinder and the second cylinder；
One end of described first cylinder is connected with the entrance of described pipeline, the other end and the one of described second cylinder
End connects, and the inner space of the inner chamber of described first cylinder and described second cylinder；
The other end of described second cylinder is connected with described pipeline valve.
Device the most according to claim 2, it is characterised in that described sealing device, including:
Sealing ring and steel ball；
Described sealing ring is arranged in described first cylinder, and described steel ball is arranged in described second cylinder, institute
State the diameter internal diameter more than or equal to described sealing ring of steel ball, when the downstream portion of described pipeline leaks
Time, described steel ball can be rolled into described first cylinder under the effect of described apparatus main body pressure at two ends difference
In, and contact with described sealing ring, seal the entrance of described pipeline.
Device the most according to claim 3, it is characterised in that described sealing device, also includes:
Limited location snap ring；
Described limited location snap ring is positioned at described first cylinder and the junction of described second cylinder；
The internal diameter of described limited location snap ring is less than or equal to the diameter of described steel ball, and described limited location snap ring is in institute
When stating apparatus main body pressure at two ends difference less than predetermined threshold value, limit described steel ball and be rolled in described first cylinder.
Device the most according to claim 4, it is characterised in that
At least one through hole it is provided with on described limited location snap ring.
6. according to the arbitrary described device of claim 2 to 5, it is characterised in that
One end of described first cylinder is provided with female thread, for being connected with the external screw thread of described line inlet,
The other end of described first cylinder is provided with external screw thread, for the female thread with one end of described second cylinder even
Connect；
The other end of described second cylinder is provided with external screw thread, for the interior spiral shell with one end of described pipeline valve
Stricture of vagina connects.
7. according to the arbitrary described device of claim 1 to 5, it is characterised in that
The external diameter of described apparatus main body is more than the external diameter of described pipeline.
8. according to the arbitrary described device of claim 3 to 5, it is characterised in that
The internal diameter of described sealing ring is less than or equal to the internal diameter of described pipeline, and the diameter of described steel ball is equal to described
The internal diameter of pipeline.
9. according to the arbitrary described device of claim 3 to 5, it is characterised in that
The internal diameter of the other end that described second cylinder is connected with described pipeline valve is less than or equal to described steel ball
Diameter.
10. according to the device described in claim 4 or 5, it is characterised in that
Described limited location snap ring is the tetrafluoroethene pad of annular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620239519.XU CN205534813U (en) | 2016-03-25 | 2016-03-25 | Pipeline plugging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620239519.XU CN205534813U (en) | 2016-03-25 | 2016-03-25 | Pipeline plugging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205534813U true CN205534813U (en) | 2016-08-31 |
Family
ID=56783785
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620239519.XU Active CN205534813U (en) | 2016-03-25 | 2016-03-25 | Pipeline plugging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205534813U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107339540A (en) * | 2017-07-17 | 2017-11-10 | 朱志强 | A kind of gravity reduction formula pipeline emergency set |
| CN110966480A (en) * | 2019-12-30 | 2020-04-07 | 武昌船舶重工集团有限公司 | Sealing device |
-
2016
- 2016-03-25 CN CN201620239519.XU patent/CN205534813U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107339540A (en) * | 2017-07-17 | 2017-11-10 | 朱志强 | A kind of gravity reduction formula pipeline emergency set |
| CN110966480A (en) * | 2019-12-30 | 2020-04-07 | 武昌船舶重工集团有限公司 | Sealing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211118 Address after: Room 08-10, 6 / F, block a, No. 5, Dongtucheng Road, Chaoyang District, Beijing 100013 Patentee after: National Petroleum and natural gas pipeline network Group Co.,Ltd. Address before: 100007 Oil Mansion, 9 North Avenue, Dongcheng District, Beijing, Dongzhimen Patentee before: PETROCHINA Co.,Ltd. |