CN220930432U - Under-pressure rush-repair device for leakage of grease injection nozzle - Google Patents
Under-pressure rush-repair device for leakage of grease injection nozzle Download PDFInfo
- Publication number
- CN220930432U CN220930432U CN202322431910.2U CN202322431910U CN220930432U CN 220930432 U CN220930432 U CN 220930432U CN 202322431910 U CN202322431910 U CN 202322431910U CN 220930432 U CN220930432 U CN 220930432U
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- CN
- China
- Prior art keywords
- grease
- grease injection
- leakage
- nozzle
- injection nozzle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 239000004519 grease Substances 0.000 title claims abstract description 129
- 238000002347 injection Methods 0.000 title claims abstract description 75
- 239000007924 injection Substances 0.000 title claims abstract description 75
- 210000002445 nipple Anatomy 0.000 claims description 22
- 230000008439 repair process Effects 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 7
- 238000007789 sealing Methods 0.000 abstract description 13
- 238000012423 maintenance Methods 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 24
- 230000009286 beneficial effect Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Landscapes
- Pipe Accessories (AREA)
Abstract
The utility model relates to the technical field of oil and gas pipeline valve maintenance, in particular to a device for repairing leakage of a grease injection nozzle under pressure. The device is mainly applied to the conditions that the grease filling nozzle leaks in work and the rush-repair device is difficult to form stable connection due to overlarge oil gas pressure during rush-repair. The working principle of the device is that the grease injection joint is fixedly provided with a leakage grease injection nozzle through an opening groove and a stop block, the grease injection joint is connected with the new grease injection nozzle through threads, leaked oil gas is discharged through a through hole, and the new grease injection nozzle is in sealing connection with the leakage grease injection nozzle through a sealing piece, so that the emergency grease injection plugging function under pressure is realized.
Description
Technical Field
The utility model relates to the technical field of oil and gas pipeline valve maintenance, in particular to a device for repairing leakage of a grease injection nozzle under pressure.
Background
At present, various high-pressure valves are frequently used in oil enterprise yards, one or more grease injection nozzles are arranged on each valve body, the grease injection nozzles are generally connected with the valve body through threads, the grease injection nozzles adopt a sealing structure of springs and steel balls, and the oil-gas passages are sealed by mainly pressing the steel balls from inside to outside to tightly cover the steel balls. The problem that the grease filling nozzle is leaked frequently appears in production operation, on the one hand, the grease filling operation is difficult, the maintenance of the valve is not facilitated, on the other hand, the leaked natural gas is directly discharged in the valve chamber or the station yard, and great potential safety hazard is brought.
The current common methods for treating leakage include a cleaning solution injection method, a sealing grease injection method or a grease injection nozzle pressing cap pressing method, but many leakage problems still cannot be solved, and the leakage is judged to be caused by internal mechanical damage. The most thorough and safest solution for this situation is to replace the new grease nipple. However, the replacement of the grease nipple requires stopping and emptying, which not only seriously affects the operation of the pipeline, but also causes great loss.
The Chinese patent publication No. CN217519644U discloses a leakage locking device for a valve grease nozzle, which can be fixed on the leaked grease nozzle through a strip-shaped slot and a stop block, is connected with a new grease nozzle through threads, and is in sealing connection with the leaked grease nozzle and the new grease nozzle, so that the normal operation of a pipeline is ensured. However, the leaked grease filling nozzle can leak out the oil gas, so that the cavity is filled with the oil gas, when the leakage locking device is installed on the leaked grease filling nozzle, the leaked oil gas is sprayed to a threaded hole connected with a new grease filling nozzle, when the new grease filling nozzle is connected to the leakage locking device, the oil gas is filled in a closed cavity surrounded by the new and old grease filling nozzles and the leakage locking device, and thus, when the leaked grease filling nozzle is connected with the new grease filling nozzle, the large resistance caused by the oil gas pressure between the leaked grease filling nozzle and the new grease filling nozzle is unfavorable for establishing stable connection, the problem that the sprayed oil gas rushes out a sealing gasket in the cavity of the device frequently occurs during operation, and the connection is very inconvenient.
Disclosure of utility model
The utility model aims to provide a device for repairing leakage of a grease injection nozzle under pressure, which aims to solve the problem that a new grease injection nozzle is inconvenient to connect due to pressure generated by leaked oil gas in the process of repairing the grease injection nozzle.
The utility model discloses a grease injection joint, wherein one end of the grease injection joint is provided with an opening groove for laterally clamping a leakage grease injection nozzle, a limiting piece for limiting the leakage grease injection nozzle in the opening groove is arranged at the notch of the opening groove, the other end of the grease injection joint is provided with a new grease injection nozzle mounting cavity for mounting a new grease injection nozzle, and the grease injection joint is provided with a through hole for communicating the outside with the new grease injection nozzle mounting cavity to discharge leaked oil gas.
The beneficial effects are that: the utility model improves the existing rush-repair device and has the advantages that the through hole is arranged on the grease injection joint, so that the air exhaust and the pressure relief can be realized, and the unstable connection caused by overlarge oil gas resistance when the new grease injection nozzle is connected with the leakage grease injection nozzle can be prevented.
In addition, the through hole is arranged at one end, close to the open slot, of the outer side of the installation cavity of the new grease filling nozzle.
The beneficial effects are that: the through hole can continuously discharge leaked oil gas along with the continuous rotation of the new grease injection nozzle in the new grease injection nozzle mounting cavity, so that the new grease injection nozzle and the leaked grease injection nozzle are convenient to be connected.
In addition, be provided with the drainage tube that is used for avoiding towards the staff for exhaust oil gas direction outside the through-hole.
The beneficial effects are that: the drainage tube can be to the guide of exhaust oil gas, avoids orientation and harm staff.
Further, the drainage tube is an L-shaped bent tube, and one side of the L-shaped bent tube, which is back to the new grease injection nozzle, is provided with a plurality of grooves.
The beneficial effects are that: the shape of the L-shaped bent pipe is determined, the direction is determined after the installation is completed, the direction is not required to be controlled at any time, and the labor is saved.
Further, the through hole is a threaded hole, and the drainage tube is connected with the through hole through threads.
The beneficial effects are that: the threaded connection is more stable, and the safety problem caused by loosening of the drainage tube can be avoided.
Further, the limiting piece is an L-shaped blocking block, one side of the blocking block props against the leakage grease injection nozzle clamping groove, and the other side of the blocking block extends along the direction of the grease injection joint and is fixedly connected with the grease injection structure.
The beneficial effects are that: the L-shaped stop block can be firmly propped against the leakage grease injection nozzle clamping groove while being stably connected with the grease injection joint.
Further, the open slot is provided with a screw hole which is used for being connected with the stop block through a screw.
The beneficial effects are that: the through hole is connected with the stop block through a screw, so that the connection is stable and is not easy to loose.
Drawings
FIG. 1 is a schematic illustration I of a pressurized repair device for a grease nipple leak in accordance with the present utility model connected to a new grease nipple;
FIG. 2 is a schematic diagram II of a pressurized rush repair device for a grease nipple leak of the present utility model connected to a new grease nipple;
FIG. 3 is an exploded perspective view of a pressurized emergency repair device for a grease nipple leak according to the present utility model;
FIG. 4 is a schematic illustration of a pressurized repair device for a grease nozzle leak in accordance with the present utility model connected to a leak grease nozzle and a new grease nozzle. In fig. 1: 1. a grease injection joint; 2. a stop block; 3. an open slot; 8. a screw; 9. a new grease injection nozzle; in fig. 2: 5. a through hole; 6. a drainage tube; in fig. 3: 4. a screw hole; 7. a sealing gasket; 10. a new grease nozzle mounting cavity; in fig. 4: 11. leakage grease nozzle.
Detailed Description
The following describes the embodiments of the present utility model further with reference to the drawings.
As shown in fig. 1 to 4, an embodiment of the device for repairing leakage of a grease nipple under pressure according to the present utility model comprises a grease nipple 1, wherein a new grease nipple installation cavity 10 is arranged at one end of the grease nipple 1, and the new grease nipple installation cavity 10 is provided with internal threads for connecting with a new grease nipple 9 with corresponding external threads. The other end of the grease injection joint 1 is provided with an opening groove 3 for the lateral clamping in of a leakage grease injection nozzle 11, a screw hole 4 is formed in the outer side of one side of the opening groove 3, the screw hole 4 is connected with an L-shaped stop block 2 through a screw 8, one side of the L-shaped stop block 2 is connected with the screw hole, the other side of the L-shaped stop block is clamped with a clamping groove of the leakage grease injection nozzle 11, the leakage grease injection nozzle 11 is tightly locked, and the leakage caused by the position change of the leakage grease injection nozzle 11 is avoided.
The position, close to the open slot, of the outer side of the new grease nipple installation cavity 10 on the grease nipple 1 is provided with a through hole 5 for discharging the leaked oil gas of the leakage grease nipple 11 and reducing the pressure generated by the oil gas. The through hole 5 is a threaded hole, is connected with the drainage tube 6 through threads, the drainage tube 6 is an L-shaped bent tube, and is opposite to the direction of the new grease injection nozzle 9, so that discharged oil gas can be guided, and the discharged oil gas is prevented from being endangered towards workers.
The sealing gasket 7 is arranged in the new grease filling nozzle mounting cavity 10, and the sealing gasket 7 can be tightly attached to the leakage grease filling nozzle 11 along with the screwing of the new grease filling nozzle 9 in the new grease filling nozzle mounting cavity 10, so that a good sealing environment is formed between the new and old grease filling nozzles.
Through the above description, it can be known that the grease injection joint 1 is connected with the new grease injection nozzle 9 through the threads in the new grease injection nozzle mounting cavity 10, the connection is stable, the leakage grease injection nozzle is fixed through the opening groove 3 and the stop block 2, the leakage grease injection nozzle displacement can be prevented, the sealing gasket 7 can enable a good sealing environment to be formed between the new grease injection nozzle 9 and the leakage grease injection nozzle 11, the leaked oil gas can be discharged through the through hole 5, the new grease injection nozzle 9 is convenient to be connected with the leakage grease injection nozzle 11, the new grease injection nozzle 9 is enabled to replace the leakage grease injection nozzle 11 to work, and the problem that excessive resistance exists when the new grease injection nozzle is connected with the leakage grease injection nozzle 11 due to excessive oil gas in the rush repair device is solved.
As another embodiment of the utility model, the limiting piece can be a locking piece, the locking piece is arranged on the opening side of the opening groove, a torsion spring is arranged on the locking piece, when the leakage grease nipple is clamped into the opening groove, the locking piece is turned outwards, and after the leakage grease nipple is clamped into the opening groove, the locking piece is loosened to enable the locking piece to rebound under the action of the torsion spring, and the locking piece is propped against the clamping groove of the leakage grease nipple to prevent the displacement of the locking piece.
As another embodiment of the utility model, a drainage tube is not arranged at the through hole, so that leaked oil gas can be discharged, and the leakage grease nipple is convenient to approach to a new grease nipple for sealing.
As another embodiment of the utility model, the drainage tube is S-shaped, so that the discharged oil gas can be drained, the discharged oil gas is sometimes accompanied with high temperature, and the S-shaped drainage tube is long in length and can play a certain role in buffering.
As another embodiment of the utility model, the through hole is welded with the drainage tube, the direction of the drainage tube is opposite to the new grease injecting nozzle, and the connection is stable.
As another embodiment of the utility model, the stop block is T-shaped, and can also prop against the clamping groove of the leakage grease injection nozzle after being clamped into the opening groove, one end of the T-shaped stop block is connected with the screw hole, and the other end of the T-shaped stop block can further limit the movement of the leakage grease injection nozzle.
As another embodiment of the utility model, the through hole position can be arranged at the position, close to the new grease filling nozzle, outside the new grease filling nozzle mounting cavity, and leaked oil gas can be discharged.
The above description is only a preferred embodiment of the present utility model, and the patent protection scope of the present utility model is defined by the claims, and all equivalent structural changes made by the specification and the drawings of the present utility model should be included in the protection scope of the present utility model.
Claims (7)
1. The utility model provides a device is salvageed to annotate fat mouth seepage area pressure, connects (1) including annotating fat, annotate fat joint (1) one end and be provided with open slot (3) that are used for supplying leaking fat injection mouth (11) side direction card to go into, the notch department configuration of open slot (3) has the locating part that will leak fat injection mouth (11) restriction in open slot (3), annotate fat joint (1) other end and have new fat injection mouth installation cavity (10) that are used for supplying new fat injection mouth (9) installation, its characterized in that: the grease injection joint (1) is provided with a through hole (5) for communicating the outside with a new grease injection nozzle mounting cavity (10) to discharge leaked oil gas.
2. The grease nozzle leakage pressurized rush-repair device of claim 1 wherein: the through hole (5) is arranged at one end, close to the open groove (3), of the outer side of the new grease filling nozzle mounting cavity (10).
3. The grease nozzle leakage pressurized rush-repair device of claim 1 wherein: the outside of the through hole (5) is provided with a drainage tube (6) for guiding discharged oil gas to avoid facing workers.
4. The grease nozzle leakage pressurized repair device according to claim 3, wherein: the drainage tube (6) is an L-shaped bent tube, and one side of the L-shaped bent tube, which is back to the new grease injection nozzle, is provided with a plurality of grooves.
5. The grease nozzle leakage pressurized repair device of claim 4, wherein: the through hole (5) is a threaded hole, and the drainage tube (6) is connected with the through hole (5) through threads.
6. The grease nipple leakage pressurized repair device according to any one of claims 1-5, wherein: the limiting piece is an L-shaped stop block (2), one side of the stop block (2) props against a clamping groove of the leakage grease injection nozzle (11), and the other side of the stop block extends along the direction of the grease injection joint (1) and is fixedly connected with the grease injection structure.
7. The grease nozzle leakage pressurized repair device of claim 6, wherein: the open slot (3) is provided with a screw hole (4) which is used for being connected with the stop block (2) through a screw (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322431910.2U CN220930432U (en) | 2023-09-07 | 2023-09-07 | Under-pressure rush-repair device for leakage of grease injection nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322431910.2U CN220930432U (en) | 2023-09-07 | 2023-09-07 | Under-pressure rush-repair device for leakage of grease injection nozzle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220930432U true CN220930432U (en) | 2024-05-10 |
Family
ID=90935803
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322431910.2U Active CN220930432U (en) | 2023-09-07 | 2023-09-07 | Under-pressure rush-repair device for leakage of grease injection nozzle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220930432U (en) |
-
2023
- 2023-09-07 CN CN202322431910.2U patent/CN220930432U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |