CN211144598U

CN211144598U - Engine oil valve

Info

Publication number: CN211144598U
Application number: CN201922206777.4U
Authority: CN
Inventors: 王锦富; 王俊杰
Original assignee: Zhejiang Fujiede Automotive Systems Co ltd
Current assignee: Zhejiang Fujiede Automotive Systems Co ltd
Priority date: 2019-12-11
Filing date: 2019-12-11
Publication date: 2020-07-31
Anticipated expiration: 2029-12-11

Abstract

The utility model discloses an engine oil valve, include valve barrel, disk seat and establish the case in the valve barrel, the rear end of case is connected with the electro-magnet, and the rear portion that is located the valve barrel is equipped with the steady voltage chamber, is equipped with linear bearing between the electromagnetic core of case rear end and the shell. The linear bearing is adopted, so that friction is reduced, the movement is more stable, magnetic hysteresis is reduced, and the response speed is higher. And a small air gap is formed between the electromagnet and the shell, so that the electromagnetic force output of the electromagnet is increased. The whole structure is simple, and the manufacture is more simple and convenient.

Description

Engine oil valve

Technical Field

The utility model relates to an oil valve technical field, in particular to oil valve.

Background

At present, Chinese patent application No. CN200920081264.9 discloses an engine oil control valve of a variable valve timing system of an engine, which comprises a valve core (1), wherein an electromagnetic solenoid (2) is wrapped outside the front section of the valve core (1), the top of the rear section is connected with a spring (3), a valve sleeve (4) is wrapped outside the rear section of the valve core (1) and the spring (3), the valve core (1) can move left and right in the electromagnetic solenoid (2) and the valve sleeve (4), wherein the spring (3) is propped against the inner side of the top of the valve sleeve (4), the top of one side, close to the spring (3), of the valve sleeve (4) is provided with a first oil outlet (5) and a second oil outlet (6), the lower part of the valve sleeve (4) is provided with an oil inlet (7) and a first oil return opening (8) and a second oil return opening (9) which are positioned at two sides of the oil inlet (7), when the valve core (1) moves right, the oil outlet II (6) is communicated with the oil return port II (9), when the valve core (1) moves leftwards, the oil inlet (7) is communicated with the oil outlet II (6), the oil outlet I (5) is communicated with the oil return port I (8), and the oil-saving valve is characterized in that a filtering device is installed on the valve sleeve (4) at the positions of the oil inlet (7), the oil outlet I (5) and the oil outlet II (6), and covers the oil inlet (7), the oil outlet I (5) and the oil outlet II (6).

The above patent documents have drawbacks in that: the electromagnetic iron core is not provided with a bearing structure, so that the movement of the electromagnetic iron core is not smooth and stable.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide an engine oil valve, it has reduced the friction, makes the motion more steady, has the hysteresis lag and reduces, and response speed is faster advantage.

The machine oil valve includes valve barrel, disk seat and establishes the case in the valve barrel, and the rear end of case is connected with electro-magnet, characterized by: a pressure stabilizing cavity is arranged at the rear part of the valve sleeve, and a linear bearing is arranged between the electromagnetic iron core at the rear end of the valve core and the shell.

Through the technical scheme, the pressure stabilizing cavity is preferably an arc-shaped groove formed in the wall of the valve sleeve, and the arc-shaped groove is communicated with the port A in the valve sleeve.

Through the technical scheme, preferably, the electromagnet, the rear side shell and the front side shell are respectively provided with a small air gap.

Through the technical scheme, preferably, the linear bearing is as follows: the bearing comprises a polygonal tubular bearing body, wherein a plurality of rows of bearing holes are formed in the bearing body, a ball retaining piece is arranged in each bearing hole, and a ball is arranged on each ball retaining piece.

Through the technical scheme, preferably, the gap between the electromagnet and the small air gap of the rear side outer shell is 0.4 mm.

Through the technical scheme, the gap between the electromagnet and the small air gap of the front side shell is preferably larger than 0.25 mm.

The utility model has the advantages of it is following:

the utility model discloses an engine oil valve has adopted linear bearing, has reduced the friction, makes the motion more steady, and the hysteresis lag reduces, and response speed is faster.

The utility model discloses a machine oil valve has the little air gap between electro-magnet and the shell, and the electromagnetic force output of electro-magnet increases.

The utility model discloses an engine oil valve, overall structure is simple, makes more simple and conveniently.

Drawings

FIG. 1 is a schematic sectional view of the structure of the embodiment;

FIG. 2 is a partial schematic structural view of an embodiment;

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example 1.

Referring to fig. 1-2, the engine oil valve includes a valve housing 1, a valve seat 2 and a valve core 3 disposed in the valve housing 1, and the rear end of the valve core 3 is connected with an electromagnet 4, which is characterized in that: a pressure stabilizing cavity 5 is arranged at the rear part of the valve sleeve 1, a linear bearing 11 is arranged between an electromagnetic iron core 6 at the rear end of the valve core 3 and the shell, and the linear bearing 11 is adopted, so that friction is reduced, the movement is more stable, hysteresis is reduced, and the response speed is higher.

The pressure stabilizing cavity 5 is an arc-shaped groove arranged on the wall of the valve sleeve, and the arc-shaped groove is communicated with the port A on the valve sleeve 1.

The electromagnet 4, the rear side shell 8 and the front side shell 9 are all provided with small air gaps 10.

The linear bearing 11 is: the bearing comprises a polygonal tubular bearing body, wherein a plurality of rows of bearing holes 13 are formed in the bearing body, a ball baffle is arranged in each bearing hole, and a ball 14 is arranged on each ball baffle.

Example 2.

Referring to fig. 1-2, the engine oil valve includes a valve housing 1, a valve seat 2 and a valve core 3 disposed in the valve housing 1, and the rear end of the valve core 3 is connected with an electromagnet 4, which is characterized in that: a pressure stabilizing cavity 5 is arranged at the rear part of the valve sleeve 1, a linear bearing 11 is arranged between an electromagnetic iron core 6 at the rear end of the valve core 3 and the shell, and the linear bearing is adopted, so that the friction is reduced, the movement is more stable, the magnetic hysteresis is reduced, and the response speed is higher.

The gap between the electromagnet 4 and the small air gap of the rear shell 8 is 0.4 mm.

The gap between the electromagnet 4 and the small air gap of the front side housing 9 is greater than 0.25 mm.

The above description is only an exemplary embodiment of the present invention, and is not intended to limit the scope of the present invention, which is defined by the appended claims.

Claims

1. The machine oil valve includes valve barrel (1), disk seat (2) and establishes case (3) in valve barrel (1), and the rear end of case (3) is connected with electro-magnet (4), characterized by: a pressure stabilizing cavity (5) is arranged at the rear part of the valve sleeve (1), and a linear bearing (11) is arranged between the electromagnetic iron core (6) at the rear end of the valve core (3) and the shell.

2. The engine oil valve of claim 1, wherein: the pressure stabilizing cavity (5) is an arc-shaped groove arranged on the wall of the valve sleeve, and the arc-shaped groove is communicated with the A port on the valve sleeve (1).

3. The engine oil valve of claim 2, wherein: the electromagnet (4), the rear side shell (8) and the front side shell (9) are all provided with small air gaps (10).

4. The engine oil valve of claim 1, wherein: the linear bearing (11) is: the bearing comprises a polygonal tubular bearing body, wherein a plurality of rows of bearing holes (13) are formed in the bearing body, a ball blocking piece is arranged in each bearing hole, and a ball (14) is arranged on each ball blocking piece.

5. The engine oil valve of claim 3, wherein: the gap between the electromagnet (4) and the small air gap of the rear side shell (8) is 0.4 mm.

6. The engine oil valve of claim 3, wherein: the gap between the electromagnet (4) and the small air gap of the front side shell (9) is more than 0.25 mm.