CN211117721U - Electromagnetic control valve with opening pressure for engine piston cooling nozzle - Google Patents
Electromagnetic control valve with opening pressure for engine piston cooling nozzle Download PDFInfo
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- CN211117721U CN211117721U CN201921867585.1U CN201921867585U CN211117721U CN 211117721 U CN211117721 U CN 211117721U CN 201921867585 U CN201921867585 U CN 201921867585U CN 211117721 U CN211117721 U CN 211117721U
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Abstract
The utility model discloses an electromagnetic control valve of an engine piston cooling nozzle with opening pressure, which comprises an electromagnetic coil part and a valve body connected with the electromagnetic coil part; the electromagnetic coil part comprises a shell, a coil arranged inside the shell, a yoke arranged on the periphery side of the coil and used for forming a magnetic circuit, and a plunger arranged inside the yoke; an inner cover is arranged on the inner side of the yoke iron; the valve body comprises a valve sleeve, and the side wall of the valve sleeve is provided with an oil inlet and an oil outlet; the thimble, the valve core and the spring are sequentially arranged in the valve sleeve from top to bottom, and the valve core comprises a first valve core and a second valve core which are independent of each other; the first and second spools are axially reciprocable within the housing. The valve core is reformed and designed into two mutually independent structures, namely a first valve core and a second valve core; thereby can adjust opening or closing of oil-out according to the size of oil inlet pressure, adjust operating condition, can avoid the waste of lubricating oil.
Description
Technical Field
The utility model relates to an engine solenoid electric valve technical field, concretely relates to engine piston cooling nozzle's solenoid electric valve with opening pressure.
Background
With the development of the automobile industry and the application of technologies such as pressurization and high compression ratio, the combustion temperature of an engine is higher and higher, the temperature of the environment where a piston is located is higher and higher, the detonation problem is easy to occur, and the lubrication, the service life and the smoothness of the engine of the piston are very unfavorable. Because the engine piston cooling system is widely used on the automobile, the cooling system has important significance for reducing the piston abrasion, prolonging the service life of the piston and ensuring the stable operation of the engine.
The electromagnetic control valve of the engine piston cooling nozzle existing in the current market has a single structure and function, and is mainly a normally open valve, namely an oil inlet and an oil outlet of the electromagnetic control valve are kept in a normally open state, and lubricating oil flows out of the oil outlet no matter the pressure of the oil inlet; therefore, when the pressure of the oil inlet is too small, the lubricating oil at the oil outlet hardly achieves the effect of cooling the piston, and waste is caused to a certain extent.
Disclosure of Invention
The utility model aims at providing a be not enough to prior art, the utility model aims at providing an electromagnetic control valve of engine piston cooling nozzle with opening pressure through with case design for independent first case and second case of each other to can adjust opening or closing of oil-out according to the size of oil inlet pressure, adjust operating condition, can avoid the waste of lubricating oil.
In order to achieve the above object, the utility model adopts the following technical scheme:
an electromagnetic control valve of an engine piston cooling nozzle with opening pressure comprises an electromagnetic coil part and a valve body connected with the electromagnetic coil part; wherein:
the electromagnetic coil part comprises a shell, a coil arranged on the inner side of the shell, a yoke arranged on the periphery side of the coil and used for forming a magnetic circuit, and a plunger arranged on the inner side of the yoke; an inner cover is arranged on the inner side of the yoke iron;
the valve body comprises a valve sleeve, the valve sleeve is of a columnar hollow type, and the side wall of the valve sleeve is provided with an oil inlet and an oil outlet; the valve sleeve is internally provided with a thimble, a valve core and a spring from top to bottom in sequence, the valve core comprises a first valve core and a second valve core which are mutually independent, the longitudinal section of the second valve core is step-shaped and comprises an upper valve core body positioned above and a lower valve core body positioned below, and the diameter of the upper valve core body is smaller than that of the lower valve core body; the first and second spools are axially reciprocable within the housing.
Furthermore, L type bracket is arranged outside the shell, and the electromagnetic control valve can be arranged on the engine through L type bracket.
In a further scheme, the lower end of the shell is connected with the upper end of the valve sleeve, and a first sealing ring is arranged between the lower end of the shell and the upper end of the valve sleeve; a second sealing ring is arranged on the outer side of the valve sleeve; and a third sealing ring is arranged between the inner cover and the shell.
In a further scheme, the valve sleeve is made of cast aluminum; by adopting the cast aluminum processing method, the processing allowance is reduced, the precision is ensured, the efficiency is improved, and the cost is reduced.
The utility model has the advantages as follows:
(1) the valve core is reformed and designed into two mutually independent structures, namely a first valve core and a second valve core; thereby can adjust opening or closing of oil-out according to the size of oil inlet pressure, adjust operating condition, can avoid the waste of lubricating oil.
(2) The utility model is used for engine piston cooling system's solenoid electric valve simple structure, precision are higher, assembly process is simple, and the reliability is better.
(3) The valve sleeve adopts a cast aluminum processing method, so that the processing allowance is reduced, the precision is ensured, the efficiency is improved, and the cost is reduced.
(4) The utility model discloses increase the inner cover in the yoke inboard, reduce the manufacturing accuracy of yoke, reduce cost.
Drawings
Fig. 1 is a schematic structural diagram of the electromagnetic control valve of the present invention in a non-energized state;
fig. 2 is a schematic structural diagram of the electromagnetic control valve of the present invention when the oil pressure of the oil inlet reaches the opening pressure;
fig. 3 is a schematic structural diagram of the electromagnetic control valve of the present invention in a power-on state;
the reference numbers of the valve core are 1-shell, 2-coil, 3-yoke iron, 4-plunger, 5-inner cover, 6-valve sleeve, P-oil inlet, A-oil outlet, 7-thimble, 8-spring, 9-first valve core, 101-upper valve core body, 102-lower valve core body, 11-L type support, 12-first sealing ring, 13-second sealing ring and 14-third sealing ring.
Detailed Description
The present invention will be further described with reference to the following examples. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "back", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and simplification of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. The terms "mounted," "connected," "fixed," and the like are to be construed broadly and may include, for example, fixed connections, removable connections, or integral connections; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
1-3, an electromagnetic control valve with an engine piston cooling nozzle having an opening pressure includes a solenoid portion and a valve body connected to the solenoid portion; wherein:
the solenoid coil part comprises a housing 1, a coil 2 arranged on the inner side of the housing 1, a yoke 3 arranged on the periphery side of the coil 2 and used for forming a magnetic circuit, and a plunger 4 arranged on the inner side of the yoke 3, wherein an inner cover 5 is arranged on the inner side of the yoke 3, an L-type bracket 11 is arranged on the outer part of the housing 1 so as to facilitate the installation of the solenoid control valve on an engine, and the installation of the solenoid control valve can be realized through a L-type bracket 11.
The valve body comprises a valve sleeve 6, the valve sleeve 6 is of a columnar hollow type, and the side wall of the valve sleeve 6 is provided with an oil inlet P and an oil outlet A; the valve sleeve 6 is internally provided with a thimble 7, a valve core and a spring 8 from top to bottom in sequence, the valve core comprises a first valve core 9 and a second valve core which are mutually independent, the longitudinal section of the second valve core is step-shaped and comprises an upper valve core body 101 positioned above and a lower valve core body 102 positioned below, and the diameter of the upper valve core body 101 is smaller than that of the lower valve core body 102; the first and second spools 9 and 9 are axially reciprocable within the housing 6.
As a more preferable embodiment, the lower end of the housing 1 is connected with the upper end of the valve housing 6, and a first sealing ring 12 is arranged between the lower end of the housing 1 and the upper end of the valve housing 6; a second sealing ring 13 is arranged on the outer side of the valve sleeve 6; a third sealing ring 14 is arranged between the inner cover 5 and the shell 1. The valve sleeve 6 is made of cast aluminum, and a cast aluminum processing method is adopted, so that the processing allowance is reduced, the precision is ensured, the efficiency is improved, and the cost is reduced.
The utility model discloses a theory of operation is: the utility model is designed into two independent sections of structure, namely a first valve core 9 and a second valve core, by reforming the valve core; the longitudinal section of the second valve core is step-shaped, and the second valve core comprises an upper valve core body 101 positioned above and a lower valve core body 102 positioned below, and the diameter of the upper valve core body 101 is smaller than that of the lower valve core body 102. In the non-energized state (as shown in fig. 1): under the action of the elastic force of the spring 8, the upper valve core body 101 is positioned at the oil inlet P, the lower valve core body 102 is positioned at the oil outlet A, and as the diameter of the upper valve core body 101 is smaller than that of the lower valve core body 102, the oil inlet P is opened, the oil outlet A is closed, and the device is in an oil-non-supply state; when the oil pressure in the oil inlet P rises to a certain value, the oil pressure gives a downward acting force to the lower valve core 102 through the top surface of the lower valve core 102, and at this time, the lower valve core 102 compresses the spring 8 and moves downward, so that the oil inlet P and the oil outlet a are both in an open state, and oil supply is started (as shown in fig. 2). When the temperature of the engine is low, the electromagnetic control valve is electrified, and at the moment, the plunger 4 moves downwards to drive the first valve core 9 to move downwards, so that the oil inlet A is closed, and oil supply is stopped (as shown in figure 3). The oil outlet A of the electromagnetic control valve cannot be opened when the oil pressure of an engine lubricating system is too low; when the oil pressure of the lubricating system reaches a certain pressure, the oil outlet is automatically opened under the action of the oil pressure and the spring, and oil supply and cooling are started for the piston. Therefore, the working state can be adjusted according to the pressure of the oil inlet, and the waste of lubricating oil can be avoided.
Claims (6)
1. An electromagnetic control valve of an engine piston cooling nozzle with opening pressure comprises an electromagnetic coil part and a valve body connected with the electromagnetic coil part; wherein:
the electromagnetic coil part comprises a shell, a coil arranged on the inner side of the shell, a yoke arranged on the periphery side of the coil and used for forming a magnetic circuit, and a plunger arranged on the inner side of the yoke; an inner cover is arranged on the inner side of the yoke iron;
the valve body comprises a valve sleeve, the valve sleeve is of a columnar hollow type, and the side wall of the valve sleeve is provided with an oil inlet and an oil outlet; the valve sleeve is internally provided with a thimble, a valve core and a spring from top to bottom in sequence, and is characterized in that: the valve core comprises a first valve core and a second valve core which are mutually independent, the longitudinal section of the second valve core is step-shaped and comprises an upper valve core body positioned above and a lower valve core body positioned below, and the diameter of the upper valve core body is smaller than that of the lower valve core body; the first and second spools are axially reciprocable within the housing.
2. The solenoid control valve of claim 1, wherein an L-shaped bracket is mounted to an exterior of said housing.
3. The solenoid control valve of claim 1, wherein: the lower end of the shell is connected with the upper end of the valve sleeve, and a first sealing ring is arranged between the lower end of the shell and the upper end of the valve sleeve.
4. The solenoid control valve of claim 1, wherein: and a second sealing ring is arranged on the outer side of the valve sleeve.
5. The solenoid control valve of claim 1, wherein: and a third sealing ring is arranged between the inner cover and the shell.
6. The solenoid control valve of claim 1, wherein: the valve sleeve is made of cast aluminum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921867585.1U CN211117721U (en) | 2019-10-31 | 2019-10-31 | Electromagnetic control valve with opening pressure for engine piston cooling nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921867585.1U CN211117721U (en) | 2019-10-31 | 2019-10-31 | Electromagnetic control valve with opening pressure for engine piston cooling nozzle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211117721U true CN211117721U (en) | 2020-07-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921867585.1U Active CN211117721U (en) | 2019-10-31 | 2019-10-31 | Electromagnetic control valve with opening pressure for engine piston cooling nozzle |
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| CN (1) | CN211117721U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114233461A (en) * | 2022-02-24 | 2022-03-25 | 潍坊力创电子科技有限公司 | Engine piston cooling control method |
-
2019
- 2019-10-31 CN CN201921867585.1U patent/CN211117721U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114233461A (en) * | 2022-02-24 | 2022-03-25 | 潍坊力创电子科技有限公司 | Engine piston cooling control method |
| CN114233461B (en) * | 2022-02-24 | 2022-04-29 | 潍坊力创电子科技有限公司 | Engine piston cooling control method |
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