CN220151972U - Safety starting valve for marine engine cylinder - Google Patents
Safety starting valve for marine engine cylinder Download PDFInfo
- Publication number
- CN220151972U CN220151972U CN202321697701.6U CN202321697701U CN220151972U CN 220151972 U CN220151972 U CN 220151972U CN 202321697701 U CN202321697701 U CN 202321697701U CN 220151972 U CN220151972 U CN 220151972U
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- Prior art keywords
- valve
- connecting pipe
- engine cylinder
- marine engine
- gas
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- 238000009434 installation Methods 0.000 claims abstract description 12
- 125000003003 spiro group Chemical group 0.000 claims abstract description 9
- 238000007789 sealing Methods 0.000 claims description 24
- 230000006978 adaptation Effects 0.000 claims description 3
- 102000010970 Connexin Human genes 0.000 abstract description 2
- 108050001175 Connexin Proteins 0.000 abstract description 2
- 238000005429 filling process Methods 0.000 abstract description 2
- 210000003976 gap junction Anatomy 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 8
- 230000009471 action Effects 0.000 description 2
- 239000000956 alloy Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Safety Valves (AREA)
Abstract
The utility model discloses a safety starting valve for a marine engine cylinder, and relates to the technical field of cylinder opening and closing. Including valve body and valve gap, seted up the inlet port on the valve gap, the spiro union has a plurality of connecting pipes on the valve gap, has seted up the venthole in connecting pipe and valve gap junction, and the top spiro union of connecting pipe has the installation pipe, and the top of installation pipe is fixed with the mounting panel, and the bottom mounting of mounting panel has pressure sensor, and the outer wall fixed intercommunication of installation pipe has the outlet duct, and outlet duct and connecting pipe are linked together. The utility model is different from the prior art in that when the safety starting valve is opened and closed, in order to ensure the efficiency and stability of the gas flow of the safety starting valve of the marine engine cylinder, part of the gas enters the gas outlet hole in the gas filling process, then the bottom plate is driven to move in the connecting pipe to drive the first spring to compress, and then the top plate is driven to move upwards, so that the phenomenon that the gas circulation is unstable due to too fast gas movement is avoided, and larger vortex and pressure fluctuation are generated.
Description
Technical Field
The utility model relates to the technical field of cylinder opening and closing, in particular to a marine engine cylinder safety starting valve.
Background
The safety starting valve for marine engine cylinder is an important device for protecting marine engine cylinder. The control valve is mainly used for controlling the pressure in a combustion chamber in a cylinder and providing safety protection in the starting and stopping processes of an engine; the existing cylinder starting valve (publication number: CN 205001102U) of the dual-fuel hybrid marine engine has the following defects in use:
the problem that the efficiency of a cylinder is reduced and even other faults are caused is caused because the starting valve possibly generates larger vortex and pressure fluctuation due to unstable gas circulation in the starting process, so that the starting valve is unstable to open and close.
Disclosure of Invention
The utility model aims to provide a marine engine cylinder safety starting valve, which solves the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a marine engine cylinder safety starting valve, including valve body and valve gap, the inlet port has been seted up on the valve gap, the spiro union has a plurality of connecting pipes on the valve gap, the venthole has been seted up to the top spiro union that is located connecting pipe and valve gap junction, the top spiro union of connecting pipe has the installation pipe, the top of installation pipe is fixed with the mounting panel, the bottom mounting of mounting panel has pressure sensor, the outer wall fixed intercommunication of installation pipe has the outlet duct, outlet duct and connecting pipe are linked together, the inside swing joint of connecting pipe has the bottom plate, the top of bottom plate is fixed with first spring, the top of first spring is fixed with the roof, bottom plate and roof all with the inner wall looks adaptation of connecting pipe.
Preferably, a sealing cover is arranged on the valve cover at the position where the connecting pipe is arranged, a sealing ring is arranged between the inner wall of the top end of the sealing cover and the valve cover, the inner diameter of the sealing ring is matched with the outer diameter of the connecting pipe, and the inner diameter of the sealing cover is matched with the outer diameter of the connecting pipe.
Preferably, a solenoid valve is installed on the air outlet pipe.
Preferably, a plurality of mounting holes are formed in the sealing cover.
Preferably, a limiting ring is fixed on the inner wall of the connecting pipe at the bottom end of the bottom plate.
Preferably, the pressure sensor is mounted in an intermediate position of the mounting plate.
Compared with the prior art, the utility model has the beneficial effects that:
the safety starting valve for the marine engine cylinder is different from the prior art in that when the safety starting valve is opened and closed, in order to ensure the efficiency and stability of the gas flow of the safety starting valve for the marine engine cylinder, part of gas enters the gas outlet hole in the gas filling process, then the bottom plate is driven to move in the connecting pipe to drive the first spring to compress, and then the top plate is driven to move upwards, so that the problems that the gas flow is unstable and large vortex and pressure fluctuation are generated due to the fact that the gas movement is too fast, the starting valve is unstable to open and close, the efficiency of the cylinder is reduced, and other faults are even caused are avoided.
Drawings
FIG. 1 is a side view of the present utility model;
FIG. 2 is a front view of the present utility model;
FIG. 3 is a cross-sectional view of a front view of the present utility model;
fig. 4 is a schematic view of a partial structure of the present utility model.
In the figure: 1. a valve body; 2. a valve cover; 3. an air inlet hole; 4. a connecting pipe; 5. sealing cover; 6. installing a pipe; 7. an air outlet hole; 8. an air outlet pipe; 9. an electromagnetic valve; 10. a pressure sensor; 11. a first spring; 12. a limiting ring; 13. a bottom plate; 14. a top plate; 15. and (3) sealing rings.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The marine engine cylinder safety starting valve is an indispensable part of the marine engineering. The starting valve is used for controlling gas in and out of an engine cylinder, ensuring the stability of the pressure in the cylinder in the normal starting, stopping and running processes of the engine, and is an important device for protecting the engine cylinder for a ship, however, the existing starting valve can generate larger vortex and pressure fluctuation due to unstable gas circulation in the starting process, so that unstable opening and closing conditions of the starting valve are caused, the efficiency of the cylinder is reduced, and even other faults are caused. The marine engine cylinder safety starting valve provided by the utility model is specially used for improving the efficiency and stability of gas flow. Ensuring that the valve can provide a smooth gas flow in the opening and closing process, reducing vortex and pressure fluctuation, further solving the instability of the engine cylinder safety starting valve, and ensuring that the equipment is installed in advance in the working process of using the equipment, and ensuring that the pressure sensor 10 and the electromagnetic valve 9 can work normally, thereby ensuring the normal operation of the equipment.
As shown in fig. 1 to 4, the present utility model provides a technical solution: the utility model provides a marine engine cylinder safety starting valve, including valve body 1 and valve gap 2, the inlet port 3 has been seted up on the valve gap 2, the spiro union has a plurality of connecting pipes 4 on the valve gap 2, the venthole 7 has been seted up to the department that is located connecting pipe 4 and valve gap 2 junction, the top spiro union of connecting pipe 4 has installation pipe 6, the top of installation pipe 6 is fixed with the mounting panel, the bottom mounting of mounting panel has pressure sensor 10, the outer wall fixed intercommunication of installation pipe 6 has outlet duct 8, outlet duct 8 is linked together with connecting pipe 4, the inside swing joint of connecting pipe 4 has bottom plate 13, the top of bottom plate 13 is fixed with first spring 11, the top of first spring 11 is fixed with roof 14, bottom plate 13 and roof 14 all with the inner wall looks adaptation of connecting pipe 4.
It should be noted that the valve body 1 mainly includes a valve body, which is a main constituent of a safety start valve, a piston, a second spring, and the like, and is generally made of a high-strength alloy material to withstand high pressure and high temperature. The internal passage of the valve body can be opened or closed by other control means, the piston being a critical element inside the valve body, which can move inside the valve body, controlling the connection between the cylinder and the atmosphere. The piston is usually made of a corrosion resistant material to ensure its reliability and long life, and a second spring in the safety trigger valve is used to provide a restoring force to enable the piston to remain closed under a certain pressure. When the internal pressure of the cylinder exceeds a set value, the second spring pushes the piston to open to release pressure, in addition, the opening of the engine cylinder safety starting valve is realized by filling gas into the air inlet hole 3 on the valve cover 2, and in order to ensure the efficiency and stability of the gas flow of the engine cylinder safety starting valve for the ship, the phenomenon that the gas circulation is unstable and larger vortex and pressure fluctuation are generated, the bottom plate 13 is driven to move in the connecting pipe 4 after part of gas enters the air outlet hole 7 in the process of filling the gas, the first spring 11 is driven to compress, and then the top plate 14 is driven to move upwards, so that the problem that the gas circulation is unstable and the pressure fluctuation is generated because the gas filling is too fast is avoided, the safety starting valve is opened after the engine is successfully started, the air cylinder safety starting valve is closed, the piston moves rightwards under the action of the spring, the closing of the valve is realized, at this moment, the gas in the air inlet hole 3 on the valve cover 2 is pushed, the bottom plate 13 is driven to move in the connecting pipe 4 through the plurality of air outlet holes 7, the first spring 11 is driven to compress, and then the top plate 14 is driven to move upwards, the gas is prevented from moving too fast when the gas is discharged, and the problem that the gas circulation is unstable and the fluctuation is generated, and the problem of the valve is closed more stable.
As shown in fig. 2 and 4, a sealing cover 5 is installed on the valve cover 2 at a position where the connecting pipe 4 is installed, a sealing ring 15 is arranged between the inner wall of the top end of the sealing cover 5 and the valve cover 2, the inner diameter of the sealing ring 15 is matched with the outer diameter of the connecting pipe 4, and the inner diameter of the sealing cover 5 is matched with the outer diameter of the connecting pipe 4.
It should be noted that the design of these sealing materials, i.e. the sealing cover 5 and the sealing ring 15, is adopted to reduce the possibility of gas leakage, strengthen the sealing performance of the connecting pipe 4, ensure that the valve can be completely closed, avoid gas leakage or excessive pressure loss, and thus improve the safety and efficiency of the system.
As shown in fig. 4, the air outlet pipe 8 is provided with a solenoid valve 9. The sealing cover 5 is provided with a plurality of mounting holes. The inner wall of the connecting pipe 4 is positioned at the bottom end of the bottom plate 13 and is fixed with a limiting ring 12. The pressure sensor 10 is mounted in a central position of the mounting plate.
It should be noted that the pressure sensor 10 and the solenoid valve 9 are controlled by an external controller, and the pressure sensor 10 can monitor the pressure in the valve body 1 and then control the opening and closing of the solenoid valve 9 according to the change of the pressure in the valve body 1. Thus realizing automatic control, when the safety starting valve is closed, the top plate 14 is extruded to the pressure sensor 10, the pressure sensor 10 sends the monitored signal to the controller, the controller controls the electromagnetic valve 9 according to the numerical value of the pressure sensor 10, so that partial gas is discharged from the gas outlet pipe 8 to ensure smooth gas circulation, the valve cover 2 is provided with a thread groove corresponding to the mounting hole on the sealing cover 5, and the valve cover is fixed by screwing a bolt between the mounting hole and the thread groove.
Working principle: the safety starting valve of the engine cylinder is opened by flushing compressed gas into the air inlet hole 3 on the valve cover 2, part of the gas enters the air outlet hole 7 in the process of filling the gas, then the bottom plate 13 is driven to move in the connecting pipe 4, the first spring 11 is driven to compress, and then the top plate 14 is driven to move upwards, so that the situation that the gas circulation is unstable due to the fact that the gas is too fast to be filled is avoided, larger vortex and pressure fluctuation are generated, after the safety starting valve is opened, after the engine is successfully started, the safety starting valve of the cylinder is closed, the piston moves rightwards under the action of the spring to realize the closing of the valve, at the moment, the gas in the air inlet hole 3 on the valve cover 2 is pushed, part of the gas enters the connecting pipe 4 through the air outlet hole 7, the bottom plate 13 is driven to move in the connecting pipe 4, the first spring 11 is driven to compress, and then the top plate 14 is driven to move upwards, at the moment, when the engine is successfully started, the top plate 14 is driven to be extruded to the position of the air outlet pipe 8, the pressure sensor 10 sends the pressure value to the controller according to the signal, the electromagnetic valve 9 is started, then the gas in the connecting pipe 4 is discharged through the air outlet pipe 8, and the first spring is discharged from the top plate 11 to the first spring is restored to the state.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made hereto without departing from the spirit and scope of the utility model as defined by the appended embodiments and equivalents thereof.
Claims (6)
1. The utility model provides a marine engine cylinder safety starting valve, includes valve body (1) and valve gap (2), its characterized in that: offer inlet port (3) on valve gap (2), the spiro union has a plurality of connecting pipes (4) on valve gap (2), venthole (7) have been seted up in the department of being located connecting pipe (4) and valve gap (2) junction, the top spiro union of connecting pipe (4) has installation pipe (6), the top of installation pipe (6) is fixed with the mounting panel, the bottom mounting of mounting panel has pressure sensor (10), the outer wall fixed intercommunication of installation pipe (6) has outlet duct (8), outlet duct (8) are linked together with connecting pipe (4), the inside swing joint of connecting pipe (4) has bottom plate (13), the top of bottom plate (13) is fixed with first spring (11), the top of first spring (11) is fixed with roof (14), bottom plate (13) and roof (14) all with the inner wall looks adaptation of connecting pipe (4).
2. The marine engine cylinder safety start valve of claim 1, wherein: the sealing cover (5) is arranged at the position of the valve cover (2) where the connecting pipe (4) is arranged, a sealing ring (15) is arranged between the inner wall of the top end of the sealing cover (5) and the valve cover (2), the inner diameter of the sealing ring (15) is matched with the outer diameter of the connecting pipe (4), and the inner diameter of the sealing cover (5) is matched with the outer diameter of the connecting pipe (4).
3. The marine engine cylinder safety start valve of claim 1, wherein: an electromagnetic valve (9) is arranged on the air outlet pipe (8).
4. A marine engine cylinder safety start valve as set forth in claim 2 wherein: a plurality of mounting holes are formed in the sealing cover (5).
5. The marine engine cylinder safety start valve of claim 1, wherein: the inner wall of the connecting pipe (4) is positioned at the bottom end of the bottom plate (13) and is fixedly provided with a limiting ring (12).
6. The marine engine cylinder safety start valve of claim 1, wherein: the pressure sensor (10) is arranged at the middle position of the mounting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321697701.6U CN220151972U (en) | 2023-06-30 | 2023-06-30 | Safety starting valve for marine engine cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321697701.6U CN220151972U (en) | 2023-06-30 | 2023-06-30 | Safety starting valve for marine engine cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220151972U true CN220151972U (en) | 2023-12-08 |
Family
ID=89008040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321697701.6U Active CN220151972U (en) | 2023-06-30 | 2023-06-30 | Safety starting valve for marine engine cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220151972U (en) |
-
2023
- 2023-06-30 CN CN202321697701.6U patent/CN220151972U/en active Active
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