CN215806677U

CN215806677U - OCV solenoid valve

Info

Publication number: CN215806677U
Application number: CN202121739763.XU
Authority: CN
Inventors: 苏海星; 李�杰
Original assignee: Jiaxing Huaren Hydraulic Technology Co ltd
Current assignee: Zhejiang Huahua Hydraulic Technology Co ltd
Priority date: 2021-07-28
Filing date: 2021-07-28
Publication date: 2022-02-11
Anticipated expiration: 2031-07-28

Abstract

The utility model discloses an OCV electromagnetic valve, which comprises a shell and a valve body connected on the shell, wherein a fixed bottom plate is arranged on the shell, the valve body is connected with a fixed bottom plate, a fixed base is arranged on the fixed bottom plate, an oil through hole is arranged on the fixed base, the shell, the fixed bottom plate and the fixed base are integrally formed, the oil through hole is connected with a sealing sleeve in a sliding way, the sealing sleeve is provided with a thimble, the thimble is provided with an armature, the armature is connected with the sealing sleeve, the annular coil is arranged in the shell, the annular coil is provided with the fixed sleeve, the armature is connected with the fixed sleeve in a sliding way, the integrally formed shell is connected with the valve body without using a framework, therefore, the assembly efficiency of the OCV is improved, the mounting failure and the sealing error among all parts are reduced, the quality of the OCV is improved, and the service life of the OCV is prolonged.

Description

OCV solenoid valve

Technical Field

The utility model belongs to the field of automobile engine accessories, and particularly relates to an OCV electromagnetic valve.

Background

An Oil Control Valve (OCV) is an important component of an automobile engine, and is commonly used in a variable Valve timing engine, and has the function of controlling the advance or delay opening of an engine intake Valve by controlling the flow direction of engine Oil, and adjusting the output power of the engine under different vehicle conditions, so that the purpose of saving fuel Oil is achieved.

The existing OCV electromagnetic valve comprises a shell and a valve body, an electromagnetic valve driving part is arranged in the shell, an electromagnetic valve executing part is arranged in the valve body, the bottom of the shell is an opening, the shell is connected with the valve body through a framework (for example, an OCV valve with an improved structure of CN 204647503U) before the shell is assembled, when the OCV is assembled, the shell is required to be sealed between the framework and the shell, and the framework is sealed between the framework and the valve body, so that the OCV is low in assembling efficiency and increased in assembling error, and the sealing errors can be increased due to the fact that multiple sealing operations are performed, the whole sealing performance of the OCV is affected, and the service life of the OCV is shortened.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides the OCV electromagnetic valve which uses the integrally formed shell, reduces the assembly steps, reduces the sealing error, improves the quality of the OCV and prolongs the service life of the OCV.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an OCV solenoid valve, includes the casing and connects the valve body on the casing, be provided with PMKD on the casing, the valve body is connected with PMKD, the last PMKD that is provided with fixed baseplate, the last oil through hole that is provided with of fixed baseplate, casing, PMKD and PMKD are integrated into one piece, sliding connection has the seal cover on the oil through hole, be provided with the thimble on the seal cover, be provided with the armature on the thimble, the armature is connected with the seal cover, be provided with loop coil in the casing, the last fixed cover that is provided with of loop coil, armature and fixed cover sliding connection.

Furthermore, an oil passing hole corresponding to the oil passing hole is formed in the valve body, a piston is connected in the oil passing hole in a sliding mode, the ejector pin is abutted to the piston, and the oil passing hole is communicated with the oil passing hole.

Further, a first sealing ring is arranged between the sealing sleeve and the ejector pin.

Furthermore, the fixed bottom plate is provided with an installation ring sleeve, the valve body is provided with an installation block corresponding to the installation ring sleeve, and the installation block is abutted to the fixed bottom plate.

Furthermore, a positioning convex ring is arranged on the fixed bottom plate, a positioning groove corresponding to the positioning convex ring is arranged on the valve body, and a second sealing ring is arranged between the positioning convex ring and the positioning groove.

Further, the armature is in threaded connection with the ejector pin.

Compared with the prior art, the utility model has the beneficial effects that: the bottom of the shell is provided with the fixing base plate, the fixing base is arranged on the fixing base plate, and the shell, the fixing base and the fixing base are integrally formed, so that the number of assembling parts and assembling steps of the shell and the valve body are reduced, the assembling quality and efficiency are improved, meanwhile, the sealing step between the shell and the valve body is reduced, the sealing error is reduced, and the service life of the OCV is prolonged.

Drawings

Fig. 1 is a schematic sectional view of an OCV solenoid valve according to the present invention;

FIG. 2 is a schematic cross-sectional view of the housing;

fig. 3 is a schematic view of an external structure of the OCV.

Reference numerals: 1. a housing; 2. a valve body; 3. fixing the bottom plate; 4. a fixed base; 5. an oil through hole; 6. sealing sleeves; 7. a thimble; 8. an armature; 9. a loop coil; 10. fixing a sleeve; 11. an oil passing hole; 12. a piston; 13. a first seal ring; 14. installing a ring sleeve; 15. mounting blocks; 16. positioning the convex ring; 17. positioning a groove; 18. and a second seal ring.

Detailed Description

In the description of the present invention, it should be noted that, for the terms of orientation, such as "central", "lateral (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicate that the orientation and positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the specific scope of the present invention.

Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, a definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the features, and in the description of the utility model, "a number" or "a number" means two or more unless explicitly specified otherwise.

The present invention is further explained with reference to fig. 1 to 3.

The utility model provides an OCV solenoid valve, includes casing 1 and connects valve body 2 on casing 1, be provided with integrated into one piece's PMKD 3 on casing 1, valve body 2 is connected with PMKD 3, be provided with unable adjustment base 4 on PMKD 3, be provided with oil through hole 5 on unable adjustment base 4, casing 1, PMKD 3 and PMKD 4 are integrated into one piece, sliding connection has seal cover 6 on oil through hole 5, be provided with thimble 7 on the seal cover 6, be provided with armature 8 on the thimble 7, armature 8 is connected with seal cover 6, be provided with annular coil 9 in the casing 1, be provided with fixed cover 10 on the annular coil 9, armature 8 and fixed cover 10 sliding connection.

As shown in fig. 1 to 3, when mounting components on the housing 1, firstly connecting the armature 8 with the thimble 7, then connecting the armature 8 with the sealing sleeve 6, forming an annular mounting groove between the fixed base and the housing 1, mounting the annular coil 9 in the annular mounting groove, then connecting the fixed sleeve 10 with the annular coil 9, and making the bottom of the fixed sleeve 10 contact with the fixed base 4, then extending the armature 8 connecting the thimble 7 with the sealing sleeve 6 into the fixed sleeve 10, making the sealing sleeve 6 extend into the oil through hole 5 and contact with the oil through hole 5, making the thimble 7 pass through and extend out of the oil through hole 5, finally connecting the valve body 2 on the fixed base plate 3 of the housing 1, and packaging the upper end opening of the housing 1, when using OCV, engine oil enters the valve body 2, when the annular coil 9 is energized, the armature 8 slides in the fixed sleeve 10 under the action of magnetic force, thereby driving the fixed sleeve 10 and the thimble 7 to move towards the valve body 2, therefore, the engine oil passing through the valve body 2 changes the flow channel, when the annular coil 9 is powered off, the engine oil passing through the valve body 2 enters the oil through hole 5, and the sealing sleeve 6 in the oil through hole 5 is driven to move back by the oil pressure of the engine oil until the engine oil returns to the original flow channel again, and the electromagnetic valve can be switched on and off.

Through with PMKD 3, unable adjustment base 4 and shell integrated into one piece, sealed step when having reduced the OCV equipment improves the packaging efficiency and reduces the equipment error, reduces sealed error simultaneously, improves the life of OCV.

As shown in fig. 1, the fixing sleeve 10 is preferably provided with a sealing cover to prevent the housing 1 from interfering with the movement of the armature 8 after being sealed.

As shown in fig. 1, preferably, a limit protruding ring is arranged at one end of the sealing sleeve 6 connected to the fixed sleeve 10, the diameter of the limit protruding ring is larger than that of the oil through hole 5, when the armature 8 moves by magnetic force, the maximum moving distance of the armature 8 is limited by the limit protruding ring abutting against the fixed base 4, the movement of the thimble 7 is ensured, and the valve body 2 is ensured to effectively redirect the engine oil.

As shown in fig. 1, it is preferable in this embodiment that an oil hole 11 corresponding to the oil hole 5 is provided in the valve body 2, a piston 12 is slidably connected in the oil hole 11, the thimble 7 is inconsistent with the piston 12, the oil hole 11 communicates with the oil hole 5, when oil passes through the valve body 2, the oil hole 11 is passed through to the oil inside the valve body 2, the piston 12 is driven to slide on the valve body 2 when the thimble 7 is ejected, an oil flow passage can be changed, when the thimble 7 retracts, the piston 12 is reset by a reset spring at the bottom of the valve body 2, so that automatic reset of each part after the power of the annular coil 9 is cut off is realized, and the work efficiency of the OCV is improved.

As shown in fig. 1, in the preferred embodiment, a first sealing ring 13 is disposed between the sealing sleeve 6 and the thimble 7, and when the sealing sleeve 6 slides, the first sealing ring 13 is driven to slide on the inner wall of the oil through hole 5, so as to prevent the engine oil from penetrating into the casing 1, and improve the sealing effect.

Preferably, a sealing element is arranged between the sealing sleeve 6 and the thimble 7, so that engine oil is prevented from permeating into the shell 1, and the sealing effect is improved.

As shown in fig. 1, in the preferred embodiment, the fixing base plate 3 is provided with a mounting ring sleeve 14, the valve body 2 is provided with a mounting block 15 corresponding to the mounting ring sleeve 14, the mounting block 15 is abutted against the fixing base plate 3, and the connection effect between the valve body 2 and the housing 1 is improved by connecting the mounting ring sleeve 14 and the mounting block 15.

Preferably, the mounting ring sleeve 14 and the mounting block 15 may be in threaded connection, so as to facilitate the mounting of the valve body 2, and the threaded connection has a certain sealing property, so as to prevent the leakage of engine oil.

As shown in fig. 1, in the preferred embodiment, a positioning convex ring 16 is disposed on the fixing base plate 3, a positioning groove 17 corresponding to the positioning convex ring 16 is disposed on the valve body 2, a second sealing ring 18 is disposed between the positioning convex ring 16 and the positioning groove 17, the valve installation quality of the valve body 2 is ensured by the cooperation of the positioning convex ring 16 and the positioning groove 17, and the sealing performance between the housing 1 and the valve body 2 is improved by the second sealing ring 18.

In the preferred embodiment, the armature 8 is in threaded connection with the thimble 7, so that the armature 8 and the thimble 7 can be conveniently detached and maintained.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the utility model may occur to those skilled in the art without departing from the principle of the utility model, and are considered to be within the scope of the utility model.

Claims

1. An OCV solenoid valve characterized by: the improved oil-gas mixing valve comprises a shell and a valve body connected to the shell, wherein a fixing base plate is arranged on the shell, the valve body is connected with the fixing base plate, a fixing base is arranged on the fixing base plate, an oil through hole is formed in the fixing base, the shell, the fixing base plate and the fixing base are integrally formed, a sealing sleeve is connected to the oil through hole in a sliding mode, an ejector pin is arranged on the sealing sleeve, an armature is arranged on the ejector pin and connected with the sealing sleeve, an annular coil is arranged in the shell, a fixing sleeve is arranged on the annular coil, and the armature is connected with the fixing sleeve in a sliding mode.

2. The OCV solenoid valve according to claim 1, characterized in that: the oil passing hole corresponding to the oil passing hole is formed in the valve body, a piston is connected in the oil passing hole in a sliding mode, the ejector pin is abutted to the piston, and the oil passing hole is communicated with the oil passing hole.

3. The OCV solenoid valve according to claim 2, characterized in that: a first sealing ring is arranged between the sealing sleeve and the ejector pin.

4. The OCV solenoid valve according to claim 3, characterized in that: the valve body is provided with a valve body, the valve body is provided with a valve seat, the valve seat is provided with a valve seat, the valve body is provided with a valve seat, the valve seat is provided with a valve body, the valve body is provided with a valve seat, the valve body is provided with a valve body, the valve body is provided with a mounting ring sleeve, the valve body is provided with a mounting block corresponding to the mounting ring sleeve, and the mounting block is abutted to the fixed bottom plate.

5. The OCV solenoid valve according to claim 4, wherein: the valve body is provided with a positioning convex ring, a positioning groove corresponding to the positioning convex ring is formed in the valve body, and a second sealing ring is arranged between the positioning convex ring and the positioning groove.

6. The OCV solenoid valve according to claim 5, wherein: the armature is in threaded connection with the thimble.