CN213655014U - Electric control oil injector of ship common rail diesel engine - Google Patents
Electric control oil injector of ship common rail diesel engine Download PDFInfo
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- CN213655014U CN213655014U CN202022776295.5U CN202022776295U CN213655014U CN 213655014 U CN213655014 U CN 213655014U CN 202022776295 U CN202022776295 U CN 202022776295U CN 213655014 U CN213655014 U CN 213655014U
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- common rail
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- valve core
- oil
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Abstract
The utility model discloses a boats and ships common rail diesel engine's automatically controlled sprayer, including common rail and the several automatically controlled sprayer of setting on common rail, automatically controlled sprayer includes the shell, the inner chamber top of shell sets up the spring, the bottom fixed connection solenoid valve core of spring, the bottom joint of shell has the nozzle, the shower nozzle department of nozzle sets up the recess, fixed mounting has the solenoid spring in the recess, the equal fixed connection throttle baffle of the other end of solenoid spring, common rail is through advancing oil pipe fixed connection shell, be provided with into oil chamber on the shell, solenoid valve core is close to the part winding coil on top, the coil runs through shell and connection of electric lines boats and ships computer, the beneficial effect of the utility model: the oil inlet cavity is provided with a lug which can prevent diesel oil from flowing back to the upper part of the electromagnetic valve core, and the bottom end of the electromagnetic valve core and the accelerator baffle plate form a closed protection device when the whole device is closed.
Description
Technical Field
The utility model relates to a sprayer technical field specifically is a boats and ships common rail diesel engine's automatically controlled sprayer.
Background
The electronic control high-pressure common rail injection technology is a closed-loop system consisting of a high-pressure oil pump, a high-pressure oil rail, a pressure sensor and an ECU (electronic control unit), and is an oil injection mode which completely separates the generation of injection pressure and the injection process from each other; the high-pressure oil pump conveys high-pressure diesel oil to the high-pressure oil rail, the diesel oil pressure in the high-pressure oil rail is accurately controlled, the purpose that the magnitude of the oil injection pressure is irrelevant to the rotating speed of the engine is achieved, and the dependence of the oil injection pressure of the non-common-rail diesel engine on the rotating speed of the engine can be eliminated.
The electric control high-pressure common rail system mainly comprises an electric control unit, a high-pressure oil pump, a high-pressure oil rail, an electric control oil injector, various sensors and the like. The electric control oil injector is the most key and the most complex part in a common rail type diesel oil injection system, and has the function of injecting diesel oil in a high-pressure oil rail into a combustion chamber of a diesel engine at the optimal oil injection time and oil injection quantity by controlling the opening and closing of an electromagnetic valve according to a control signal sent by an ECU (electronic control Unit), but the oil injector in the prior art is easy to overflow during oil injection.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an automatically controlled sprayer of boats and ships common rail diesel to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an automatically controlled sprayer of boats and ships common rail diesel engine, includes common rail and the several automatically controlled sprayer of setting on common rail, automatically controlled sprayer includes the shell, the inner chamber top of shell sets up the spring, the bottom fixed connection solenoid valve core of spring, the bottom joint of shell has the nozzle, the shower nozzle department of nozzle sets up the recess, fixed mounting has the solenoid spring in the recess, the equal fixed connection throttle baffle of the other end of solenoid spring, common rail is through advancing oil pipe fixed connection shell, be provided with into oil chamber on the shell, solenoid valve core is close to the partial winding coil on top, the coil runs through shell and connection of electric lines boats and ships computer.
As a further aspect of the present invention: the oil inlet cavity is formed by inwards sinking the inner wall of the shell, a protruding block is arranged at the position, corresponding to the oil inlet cavity, of the electromagnetic valve core, and the outer wall of the protruding block is attached to the inner wall of the lower end portion of the shell.
As a further aspect of the present invention: the electromagnetic spring is a compression spring with an electromagnet, and a coil of the electromagnet is connected with a ship computer.
As a further aspect of the present invention: the electromagnetic valve core is arranged in the shell, the top of the electromagnetic valve core is cylindrical, the middle end of the electromagnetic valve core is in an inverted cone shape, the bottom of the electromagnetic valve core is cylindrical, the diameter of the top of the electromagnetic valve core is larger than that of the bottom of the electromagnetic valve core, and the oil inlet cavity is located in the cylinder at the bottom of the electromagnetic valve core.
As a further aspect of the present invention: and a spiral oil guide groove is formed in the cylinder at the lower end part of the electromagnetic valve core.
Compared with the prior art, the beneficial effects of the utility model are that: the oil inlet cavity is provided with a lug which can prevent diesel oil from flowing back to the upper part of the electromagnetic valve core, and the bottom end of the electromagnetic valve core and the accelerator baffle plate form a closed protection device when the whole device is closed.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is an enlarged view of the nozzle structure of the present invention.
In the figure: the device comprises a common rail 1, an electric control oil injector 2, a shell 3, a spring 4, an electromagnetic valve core 5, a nozzle 6, a groove 7, an electromagnetic spring 8, an accelerator baffle 9, an oil inlet pipe 10, an oil inlet cavity 11, a coil 12, a ship computer 13 and an oil guide groove 14.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Please refer to fig. 1-2, in an embodiment of the present invention, an electric control injector of a common rail diesel engine for a ship, includes a common rail 1 and a plurality of electric control injectors 2 disposed on the common rail 1, the electric control injectors 2 includes a housing 3, an inner cavity top of the housing 3 is disposed with a spring 4, a bottom fixed connection electromagnetic valve core 5 of the spring 4, a nozzle 6 is connected to a bottom joint of the housing 3, a nozzle of the nozzle 6 is disposed with a groove 7, an electromagnetic spring 8 is fixedly disposed in the groove 7, another end of the electromagnetic spring 8 is fixedly connected with an accelerator baffle 9, the common rail 1 is fixedly connected with the housing 3 through an oil inlet pipe 10, an oil inlet cavity 11 is disposed on the housing 3, the electromagnetic valve core 5 is close to a partial winding coil 12 on a top end, and the coil 12 runs through the housing 3 and is connected.
It is noted that the oil inlet cavity 11 is formed by an inner wall of the outer shell 3 being recessed inwards, a protrusion is arranged at a position corresponding to the oil inlet cavity 11 of the solenoid valve core 5, and an outer wall of the protrusion is attached to an inner wall of a lower end portion of the outer shell 3.
It is noted that the electromagnetic spring 8 is embodied as a compression spring with an electromagnet, the coil of which is connected to the laptop computer 13.
It should be noted that the housing 3 and the solenoid valve core 5 may be divided into three parts, wherein the top part is cylindrical, the middle end is inverted conical, and the bottom part is cylindrical, wherein the diameter of the top part is larger than that of the bottom part, and the oil inlet chamber 11 is located in the cylinder of the bottom part.
It should be noted that the cylinder at the lower end of the solenoid valve core 5 is provided with a helical oil guiding groove 14.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
The oil inlet cavity is provided with a lug which can prevent diesel oil from flowing back to the upper part of the electromagnetic valve core, and the bottom end of the electromagnetic valve core and the accelerator baffle plate form a closed protection device when the whole device is closed.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. The utility model provides a boats and ships common rail diesel engine's automatically controlled sprayer, includes common rail (1) and sets up several automatically controlled sprayer (2) on common rail (1), its characterized in that: the electric control fuel injector (2) comprises an outer shell (3), a spring (4) is arranged at the top end of an inner cavity of the outer shell (3), a bottom fixed connection electromagnetic valve element (5) of the spring (4), a nozzle (6) is clamped at the bottom of the outer shell (3), a groove (7) is formed in the spray head of the nozzle (6), an electromagnetic spring (8) is fixedly mounted in the groove (7), an accelerator baffle plate (9) is fixedly connected to the other end of the electromagnetic spring (8), a common rail (1) is fixedly connected with the outer shell (3) through an oil inlet pipe (10), an oil inlet cavity (11) is formed in the outer shell (3), the electromagnetic valve element (5) is close to a part of a winding coil (12) on the top end, and the coil (12) penetrates through the outer shell (3) and is connected with a ship.
2. The electric control oil injector of the marine common rail diesel engine according to claim 1, characterized in that: the oil inlet cavity (11) is formed by inwards sinking the inner wall of the shell (3), a boss is arranged at the position, corresponding to the oil inlet cavity (11), of the electromagnetic valve core (5), and the outer wall of the boss is attached to the inner wall of the lower end portion of the shell (3).
3. The electric control oil injector of the marine common rail diesel engine according to claim 1, characterized in that: the electromagnetic spring (8) is a compression spring with an electromagnet, and a coil of the electromagnet is connected with a ship computer (13).
4. The electric control oil injector of the marine common rail diesel engine according to claim 1, characterized in that: the electromagnetic valve core (5) and the shell (3) can be divided into three parts, wherein the top is cylindrical, the middle end is in an inverted cone shape, the bottom is cylindrical, the diameter of the top is larger than that of the bottom, and the oil inlet cavity (11) is positioned in the cylinder at the bottom.
5. The electric control fuel injector of the marine common rail diesel engine according to claim 1 or 4, characterized in that: and a spiral oil guide groove (14) is formed in the cylinder at the lower end part of the electromagnetic valve core (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022776295.5U CN213655014U (en) | 2020-11-26 | 2020-11-26 | Electric control oil injector of ship common rail diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022776295.5U CN213655014U (en) | 2020-11-26 | 2020-11-26 | Electric control oil injector of ship common rail diesel engine |
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| Publication Number | Publication Date |
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| CN213655014U true CN213655014U (en) | 2021-07-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022776295.5U Active CN213655014U (en) | 2020-11-26 | 2020-11-26 | Electric control oil injector of ship common rail diesel engine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112177823A (en) * | 2020-11-26 | 2021-01-05 | 江苏海事职业技术学院 | Electric control oil injector of ship common rail diesel engine |
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2020
- 2020-11-26 CN CN202022776295.5U patent/CN213655014U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112177823A (en) * | 2020-11-26 | 2021-01-05 | 江苏海事职业技术学院 | Electric control oil injector of ship common rail diesel engine |
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