A two-position normally closed axial solenoid valve

Through a compact structural design and axial magnetic field control, combined with sealing components, the problems of bulky structure and high maintenance costs of traditional solenoid valves have been solved, achieving efficient flow control and safety in the treatment of highly polluting media.

CN224497484UActive Publication Date: 2026-07-14NINGBO CHAOYAXINGTONG AUTOMATION TECHNOLOGY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
NINGBO CHAOYAXINGTONG AUTOMATION TECHNOLOGY CO LTD
Filing Date
2025-09-17
Publication Date
2026-07-14

AI Technical Summary

Technical Problem

Traditional two-position, two-normally closed axial solenoid valves are bulky, slow in response, and have high maintenance costs, and are not suitable for handling highly polluting media.

Method used

It adopts a compact structural design, combined with O-rings, Y-rings and L-shaped brackets and other seals. It uses an axial magnetic field to control the movement of the piston rod, so as to realize automatic closing when power is off and automatic opening when power is on. It adopts back pressure sealing design and pressure balance technology to ensure sealing performance and reliability.

Benefits of technology

It features a compact structure, suitability for handling highly polluting media, efficient flow control, reduced maintenance costs, ensured safety and reliability, adaptability to a wide range of operating conditions, and prevention of leakage and jamming.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to axial electromagnetic valve technical field especially for a kind of two-position two normally closed axial electromagnetic valve, including first end cover, the inner cavity of first end cover one end is fixedly connected with spring seal seat, the surface of spring seal seat is fixedly connected with copper bush, the inner cavity of copper bush is provided with spring.The utility model has the advantages of compact structure, be applicable to the advantage of high-pollution medium processing, in actual use process, by the cooperation of first end cover, spring seal seat, copper bush, spring, snap spring, first coil end cover, coil sleeve, coil body, coil base, second coil end cover, stainless steel pipe, piston rod, second end cover, copper screw, protective sleeve block and seal element base, valve can realize the operating function of power-off automatic closing, power automatic opening, ensure safety and reliability, the working pressure range of the device is 0-6.4MPa, the environmental temperature for adaptation is 0-65 DEG C, meet the demand of different working conditions.
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