Plate spring component
A technology of plate springs and components, which is applied in the direction of engine components, valve details, valve operation/release devices, etc., can solve the problems of proportional valve accuracy reduction, poor sealing, and shortened service life, so as to reduce hysteresis return force, Easy assembly and improved service life
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[0029] Such as Figure 1~5 In the shown embodiment, the plate spring assembly according to the present invention includes a lifting lower valve plate 13, a soft magnetic armature 11 is sleeved on the lifting lower valve plate 13, and two The plate springs 12 are parallel to each other. The plate springs 12 are circular, and there are several intermittent curved grooves on the plate springs 12. The spring assembly is used in the proportional valve, which can effectively avoid metal-to-metal contact. Contact eliminates mechanical friction, increases the service life of the proportional valve, reduces the hysteresis return force, and this design can make the pre-tightening force of the metal seal of the opening and closing part of the proportional valve more uniform, which is conducive to the realization of the metal seal and avoids The high requirements for verticality during assembly of the proportional valve reduce the difficulty of assembly.
[0030] In specific implementati...
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