A solenoid valve coil assembly structure
A technology of solenoid valve coil and component structure, which is applied in the field of solenoid valves, can solve problems such as disconnection current instability, and achieve the effect of reducing the dependence on the processing quality of parts
Active Publication Date: 2022-03-15
XIAN FLIGHT SELF CONTROL INST OF AVIC
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Problems solved by technology
[0006] The invention solves the problem that the disconnection current of the electromagnetic valve is unstable due to the influence of the processing quality of the parts on the air gap value between the magnetic conductor and the movable iron core when the magnetic conductor and the movable iron core are attracted.
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Embodiment Construction
[0018] For the solenoid valve coil assembly structure involved in the present invention, a solenoid valve coil assembly structure includes a magnetizer A (1), an outer cover (2), a coil (3), a push rod (4), a movable iron core (5 ), magnetizer B (6), magnetizer ring (7), spring (8), magnetizer gasket (9), wherein, outer cover (2) adopts magnetizer material, magnetizer A (1) and magnetizer B (6) are respectively located on both sides of the outer cover (2) and are fixedly connected to form a magnetic conduction circuit of the solenoid valve coil assembly. The spring (8) is arranged on one end of the push rod (4) towards the magnet guide A (1), and the push rod (4) is arranged in the movable iron core (5) and is arranged inside the magnet guide B (6) together. The coil (3) is wound on the magnetic conductor A (1) and the magnetic conductor B (6). In the effective air gap formed by the magnetic conductor A (1) and the movable iron core (5), a magnetic isolation gasket (9) is als...
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The invention discloses a solenoid valve coil assembly structure, which comprises a magnetic conductor A (1), an outer cover (2), a coil (3), a push rod (4), a movable iron core (5), a magnetic conductor B (6), A magnetic isolation ring (7), a spring (8), and a magnetic isolation spacer (9), are provided with a magnetic isolation spacer (9) in the effective air gap formed by the magnetic conductor A (1) and the movable iron core (5) , The magnetic spacer (9) adopts non-magnetic material. Magnetic spacer (9) selects 304 stainless steel material for use, and outer diameter is not greater than the diameter of movable iron core (5), and thickness is determined according to solenoid valve breaking current value. The solenoid valve coil assembly designed by the present invention reduces the dependence of the solenoid valve performance on the processing quality of the parts by designing a novel coil assembly structure, reduces the difficulty of processing the parts of the solenoid valve, and improves the performance stability of the solenoid valve.
Description
1. Technical field [0001] The invention belongs to the solenoid valve technology, and in particular relates to a solenoid valve coil assembly structure. 2. Background technology [0002] The solenoid valve is an electro-hydraulic conversion element, which is composed of a coil assembly and an oil inlet assembly. Wherein the coil assembly is an electrical component, and its function is to generate electromagnetic force when the coil in the coil assembly receives current. The movable iron core in the coil assembly is affected by the joint action of the spring force and the electromagnetic force. As the input current in the coil increases, the electromagnetic force increases continuously. When the electromagnetic force is greater than the spring force acting on the movable iron core, the movable iron core moves Thereby driving the spool to move, the solenoid valve is turned on, and the coil current at this time is called the turn-on current; when the current in the coil decrea...
Claims
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IPC IPC(8): F16K31/06
CPCF16K31/0675
Inventor 彭传龙李凌董林渊
Owner XIAN FLIGHT SELF CONTROL INST OF AVIC