Plate-type quick switch electromagnetic valve with spherical structured armature

Abstract

The invention discloses a plate-type quick switch electromagnetic valve with a spherical structured armature. The plate-type quick switch electromagnetic valve comprises a valve body, a valve seat and the armature. The valve seat and the armature are disposed in an inner cavity of the valve body. A steel ball is mounted within the armature provided with a circular groove. The armature and the steel ball are integrally connected by riveting. The valve body is connected with an iron stop which is in a step form, through a pole shoe. The small diameter proportion of the stop iron is connected with the armature through a sleeving spring fastened into the circular groove. The inside of the iron stop is provided with a stepped cylindrical hole. A pore in the right end of the iron stop is provided with a conical structure, forming a sealing structure with the steel ball. The iron stop is wound with a coil; a yoke encloses the coil and is connected with the iron stop by riveting and positioning. The plate-type quick switch electromagnetic valve with the structural design is high corresponding speed, small in structural size, convenient to mount, high in reliability and applicable to various hydraulic systems requiring switching of oil circuits.

Description

technical field [0001] The invention relates to a switch solenoid valve, in particular to a plate type fast switch solenoid valve with a spherical structure armature used for on-off control of an oil circuit in a hydraulic system of an automatic transmission. Background technique [0002] Automatic transmissions are widely used in the automotive field. Most of the actuators of automatic transmissions are controlled by various solenoid valves. Solenoid valves used in automatic transmissions also have various models and characteristics due to different manufacturers and transmissions. Quick switch solenoid valves are often used for on-off and switching of automatic transmission oil circuits, and have the characteristics of fast response and long life. With the increase in the number of gears of the automatic transmission and the improvement of comfort requirements, the response speed and flow requirements of the switching solenoid valves that control oil circuit switching are ...

AI Technical Summary

Problems solved by technology

[0004] In order to solve the problem of electromagnetic valve failure caused by the lack of armature guidance caused by the plate-type fast switch solenoid valve plate-type armature used in automatic transmissions, the problem of solenoid valve failure caused by pollutants entering the movement space, and the structure of the plate-type switch valve due to the limited armature Due to the small flow rate caused by the movement stroke, the present invention provides a fast switching solenoid valve with a plate-type armature structure with spherical structure characteristics

So as to solve the problem of solenoid valve failure caused by armature jamming caused by armature plate structure without motion support and insufficient guide length

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