Solenoid Pressure Regulating Valve
A pressure regulating, electromagnetic technology, applied in the field of pressure regulating valve, can solve the problems affecting the pressure regulation stability of the pressure regulating valve, and achieve the effects of stable pressure regulation, prolonging the service life, and eliminating the fluctuation of gas-liquid pressure.
Active Publication Date: 2018-07-10
CHINA FIRST AUTOMOBILE
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Problems solved by technology
[0002] When the electromagnetic pressure regulating valve in the prior art is working, the gas-liquid inside the armature chamber is driven by the reciprocating movement of the armature to produce obvious pressure fluctuations, which in turn affects the pressure regulation stability of the pressure regulating valve
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Embodiment Construction
[0018] The present invention will be further described below in conjunction with specific drawings and embodiments.
[0019] As shown in the figure: the electromagnetic pressure regulating valve in the embodiment is mainly composed of the first O-ring 1, the guide sleeve 2, the tight cap 3, the spring 4, the magnetic isolation cover 5, the second O-ring 6, and the cover positioning Pin 7, electromagnet 8, electromagnet positioning pin 9, armature 10, armature rod 11, the third O-ring 12, adjusting gasket 13, ball 14, valve body 15 and valve seat 16 and other components.
[0020] Such as Figure 1~Figure 4 As shown, the tight cap 3 is tightly connected to the top of the valve body 15 by laser welding, and a chamber is formed between the tight cap 3 and the top of the valve body 15, and the electromagnet 8 and the armature assembly are installed in the chamber. The armature assembly is arranged above the electromagnet 8 and locked by the tight cap 3; the armature assembly is ma...
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The invention relates to an electromagnetic type pressure regulating valve which comprises a tightening cap, a valve body, an armature component, an electromagnet and a valve seat. The electromagnetic type pressure regulating valve is characterized in that a through hole is formed in the valve body; one end of the through hole communicates with peripheral space of the electromagnet; the other end of the through hole communicates with an oil outlet; circulation gaps are formed between an armature lever and the electromagnet and between the armature lever and a center hole of the valve body; a guide sleeve is in interference forced fit with the center hole of the valve body; the armature lever penetrates through the guide sleeve and is in tight sliding fit with the guide sleeve; a flat station is processed on the inner wall of the guide sleeve or on the outer wall of a matching section of the armature lever and the guide sleeve, and forms a circulation channel, so that the peripheral space of the electromagnet, and the peripheries of the armature and the armature lever are filled with liquid oil completely. The flat station is processed on the armature lever and the through hole is formed in the valve body, so that a liquid oil channel is formed in the electromagnetic type pressure regulating valve, air-liquid pressure fluctuation in the electromagnetic type pressure regulating valve is eliminated through liquid oil flowing, and the pressure regulating stability of the valve is ensured; in addition, the liquid oil can cool the electromagnet, and the life of the electromagnetic type pressure regulating valve can be prolonged.
Description
technical field [0001] The invention relates to a pressure regulating valve, in particular to a high-pressure electromagnetic pressure regulating valve used in a fuel injection system of a diesel engine or a detection device for the fuel injection system. Background technique [0002] When the electromagnetic pressure regulating valve in the prior art is working, the reciprocating movement of the armature drives the gas-liquid inside the armature chamber to generate obvious pressure fluctuations, which in turn affects the pressure regulation stability of the pressure regulating valve. Contents of the invention [0003] The purpose of the present invention is to overcome the deficiencies in the prior art and provide an electromagnetic pressure regulating valve, which forms an oil passage in the valve by processing a flat position on the armature rod and drilling a hole on the valve body. The oil flow eliminates the fluctuation of the gas-liquid pressure in the valve, ensuri...
Claims
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IPC IPC(8): F16K31/06F16K1/14F16K27/02G05D16/20
CPCF16K1/14F16K27/0245F16K27/029F16K31/0651G05D16/20
Inventor 苏晓东王朋飞何浩然谢博强
Owner CHINA FIRST AUTOMOBILE
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