VIBRATION TYPE LINEAR ACTUATOR, SKIN HAIR REMOVER, AND MANUFACTURING METHOD OF THE SAME VIBRATION TYPE LINEAR ACTUATOR
PROBLEM TO BE SOLVED: To improve the positioning accuracy between a permanent magnet and a core if there is an individual difference in the component, to thereby suppress a performance dispersion in each individual of a vibration type linear actuator.SOLUTION: A vibration type linear actuator 100 in...
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Main Authors | , , , |
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Format | Patent |
Language | English Japanese |
Published |
15.11.2018
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Subjects | |
Online Access | Get full text |
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Summary: | PROBLEM TO BE SOLVED: To improve the positioning accuracy between a permanent magnet and a core if there is an individual difference in the component, to thereby suppress a performance dispersion in each individual of a vibration type linear actuator.SOLUTION: A vibration type linear actuator 100 includes: an electromagnetic core block 200 which has an electromagnet (electromagnetic part 210); and a magnetic block 300 which holds permanent magnets 301, 302 in a manner to be disposed opposite to the electromagnet with a predetermined gap. The electromagnetic core block integrally includes a core 240 and a coil bobbin 220 to form the electromagnet and a base 250 for the holding thereof. The magnetic block includes a frame 400 which holds the permanent magnets 301, 302 in a manner of freely fluctuating and holds the electromagnetic core block. On the frame, there is formed a guide part 450 to guide the electromagnetic core block in such a manner that the positional relationship between the permanent magnet and the electromagnet is adjusted. A base is fixed to the frame inside the guide.SELECTED DRAWING: Figure 6
【課題】部品に個体差があったとしても、永久磁石とコアとの位置決めの正確性を高めて、振動型リニアアクチュエータの個体ごとの性能ばらつきを抑制する。【解決手段】振動型リニアアクチュエータ100は、電磁石(電磁部210)を有する電磁コアブロック200と、電磁石に対して所定の間隔をあけて対向するように永久磁石301、302を保持する磁性ブロック300とを備えている。電磁コアブロックは、電磁石をなすコア240及びコイルボビン220と、これらを保持する基台250とを一体的に備えている。磁性ブロックは、永久磁石301、302と、永久磁石を揺動自在に保持するとともに、電磁コアブロックを保持するフレーム400とを備えている。フレームには、永久磁石と電磁石との位置関係が調整されるように電磁コアブロックを案内するためのガイド部450が形成されており、ガイド部内で基台がフレームに固定されている。【選択図】図6 |
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Bibliography: | Application Number: JP20170082964 |