a voice coil motor

Abstract

The invention belongs to the technical field of motors, and specifically relates to a voice coil motor. The voice coil motor comprises a steel tube, a groove, a coil rod, a push rod, a square base plate, a square body block, a reset spring, a cylindrical groove, a guide rail, an L-shaped plate, a corrugated rubber tube, one-way air jet heads, a one-way air inlet head, a fixing plate, a cylindricalcavity, a circular arc magnetic block and a driving magnet round frame. According to the voice coil motor provided by the invention, the heat of the voice coil motor can be continuously blown away, so that the effect of cooling is achieved; dust adhered on the surface can be cleared away, the function of a damping structure is improved, and the vibration intensity caused by instantaneous thrust can be relieved; and internal gas is ejected from eight one-way air jet heads installed side by side through the corrugated rubber tube in a compressed state, so that the heat of the voice coil motor can be continuously blown away, the reset spring in the cylindrical groove is extruded through the push rod arranged on the L-shaped plate to be in the compressed state, so that a buffering effect is achieved.

Description

technical field [0001] The invention belongs to the technical field of motors, in particular to a voice coil motor. Background technique [0002] The main components of the coil motor are relatively simple, such as coils, springs, magnets, and some fixed structures. It is a device that converts electrical energy into mechanical energy, and realizes linear and limited swing angle motion. The interaction between the magnetic poles in the magnetic field generated by the energized coil conductor produces a regular motion device, which can be divided into two types: linear type and swing type. [0003] The linear voice coil motor will generate heat during operation, and if the heat is not dissipated well, the plastic insulation layer will be burned, affecting normal use. The existing linear voice coil motor lacks a corresponding external heat dissipation structure, and the The dust in the medium is adsorbed on the surface, which is not easy to clean in time. The push rod coil mo...

AI Technical Summary

Problems solved by technology

[0003] The linear voice coil motor will generate heat during operation, and if the heat is not dissipated well, the plastic insulation layer will be burned, affecting normal use. The existing linear voice coil motor lacks a corresponding external heat dissipation structure, and the The dust in the medium is adsorbed on the surface, which is not easy to clean in time. The push rod coil movement of the linear voice coil motor is exposed to the outside, and there is a hidden danger of entering the coil from the gap. Further improvement and noise need to be reduced

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