JPS62165776U

JPS62165776U -

Info

Publication number: JPS62165776U
Application number: JP5424286U
Authority: JP
Priority date: 1986-04-11
Filing date: 1986-04-11
Publication date: 1987-10-21
Also published as: JPH0416633Y2

Description

[Brief explanation of drawings]

第１図は一実施例としての本考案の側縦断面図
、第２図はコイルユニツトと界磁マグネツトの説
明図、第３図はコイルユニツトの部分拡大図であ
る。１……リニアＤＣブラシレスモータ、２……本
体、３−１，３−２……シヨツク吸収部材、４…
…透孔、５……シヤフト、６……軸受、７……固
定鍔、８……軸受、９……界磁マグネツト、９−
１，…，９−４……界磁々極、１０……ラジアル
ギヤツプ、１１……絶縁円筒、１２……電機子収
納空隙部、１３……コイリユニツト、１４……ス
テータ電機子、１５……リング状ボビン本体、１
６……位置検知素子、１７……位置検知素子収納
凹部、１８……電機子コイル、１９……透孔部、
２０−１，２０−２，２１……鍔、２２……駆動
回路形成用電気回路部品収納用凹部、２３，…，
２６……駆動回路形成用電気回路形成用電気部品
、２７……導線、２８……電機子コイル収納部、
２９……ユニツトコイルボビン、３０……透孔、
３１……プリント配線基板、３２……通電制御回
路内蔵部。 FIG. 1 is a side vertical sectional view of the present invention as an embodiment, FIG. 2 is an explanatory view of a coil unit and a field magnet, and FIG. 3 is a partially enlarged view of the coil unit. DESCRIPTION OF SYMBOLS 1... Linear DC brushless motor, 2... Main body, 3-1, 3-2... Shock absorption member, 4...
... Through hole, 5 ... Shaft, 6 ... Bearing, 7 ... Fixed collar, 8 ... Bearing, 9 ... Field magnet, 9-
1,...,9-4... Field poles, 10... Radial gap, 11... Insulating cylinder, 12... Armature housing gap, 13... Coil unit, 14... Stator armature, 15... Ring shaped bobbin body, 1
6... position detection element, 17... position detection element storage recess, 18... armature coil, 19... through hole,
20-1, 20-2, 21... collar, 22... recess for housing electric circuit components for forming drive circuit, 23,...,
26...Electric component for forming an electric circuit for forming a drive circuit, 27...Conducting wire, 28...Armature coil storage part,
29...Unit coil bobbin, 30...Through hole,
31...Printed wiring board, 32...Built-in energization control circuit.

Claims

[Claims for Utility Model Registration] (1) A cylindrical uniform magnetic flux type linear DC brushless motor body has a shaft supported in the axial direction so as to be able to freely reciprocate and linearly move, and the shaft has ring-shaped N poles, S
P (P is an integer of 2 or more) magnetic poles are fixedly installed,
A cylindrical body made of a non-magnetic material is fixed to the magnetic pole in a spatial arrangement concentric with the shaft through a minute gap in the radial direction, and a non-magnetic material is fixed in the gap between the cylindrical body and the cylindrical linear DC brushless motor body. A stator armature with uniform magnetic flux is constructed by sequentially inserting a coil unit in which an armature coil is wound around a cylindrical bobbin made of a magnetic material and is provided with a position detection element into the above-mentioned gap, and stacking them to form a stator armature. Type linear DC brushless motor. (2) The coil unit is equipped with an electric circuit component for driving the armature coil of this unit.
A uniform magnetic flux type linear DC brushless motor according to claim (1) of the utility model registration. (3) The magnetic flux uniform type linear DC brushless motor according to claim 2, wherein the electric circuit component is a printed wiring board on which the electric circuit component is mounted, which is attached to the coil unit.