JPH01130509U

JPH01130509U -

Info

Publication number: JPH01130509U
Application number: JP2670188U
Authority: JP
Priority date: 1988-02-29
Filing date: 1988-02-29
Publication date: 1989-09-05

Description

[Brief explanation of the drawing]

第１図は従来の電磁装置を示す縦断面図、第２
図は本考案になる電磁装置の一実施例を示す縦断
面図、第３図は本考案の電磁装置を電磁弁に使用
した縦断面図である。２……貫通孔、３……コイルボビン、１Ｂ……
下部鍔部、５……ハウジング、５Ａ……内周面、
６……固定鉄心、７……可動鉄心、１０……スペ
ーサー、１１……第二吸着体、１２……弁部、１
４……流路、１５……弁座、Ｍ……主磁気回路、
Ｓ……副磁気回路。 Figure 1 is a vertical sectional view showing a conventional electromagnetic device, Figure 2
The figure is a longitudinal cross-sectional view showing one embodiment of the electromagnetic device according to the present invention, and FIG. 3 is a longitudinal cross-sectional view showing the electromagnetic device according to the present invention used in a solenoid valve. 2...Through hole, 3...Coil bobbin, 1B...
Lower flange, 5...housing, 5A...inner peripheral surface,
6... Fixed iron core, 7... Movable iron core, 10... Spacer, 11... Second adsorbent, 12... Valve part, 1
4...Flow path, 15...Valve seat, M...Main magnetic circuit,
S...Sub magnetic circuit.

Claims

[Claims for Utility Model Registration] An upper flange 1A and a lower part extending radially outward of the through hole 2 near the upper and lower ends of a cylinder 1 having a through hole 2 vertically bored therein. a coil bobbin 3 made of a non-magnetic material and provided with a flange 1B; a coil 4 wound around the outer periphery of the coil bobbin 3;
and; A housing 5 made of a cup-shaped magnetic material that surrounds the upper flange 1A of the coil bobbin 3 and the side outer periphery of the coil 4; one end is fitted into the upper part of the through hole 2 of the coil bobbin 3, and the other end is fitted into the housing 5 A fixed iron core 6 made of a magnetic material attached thereto; A movable iron core 7 movably disposed within the through hole 2 of the coil bobbin 3 and disposed facing the lower end surface of the fixed iron core 6; An electromagnetic device consisting of a spring 8 biased in a direction to pull away from the fixed iron core 6, whose outer peripheral end 10B is in contact with the inner peripheral surface 5A of the housing 5, approximately parallel to the lower flange 1B of the coil bobbin 3; The peripheral end 5A is the through hole 2 of the coil bobbin 3
A disk-shaped spacer 10 made of a magnetic material extending near the spacer 10 is arranged, and a second plate-shaped adsorption made of a magnetic material is arranged opposite to the lower surface 10D of the back of the upper surface 10A facing the lower flange 1B of the spacer 10. The main magnetic circuit M is formed by the fixed iron core 6 and the movable iron core 7, and the sub magnetic circuit S is formed by the spacer 10 and the second adsorbent 11. An electromagnetic device. Valve unit 1 that controls opening and closing of a valve seat 15 provided in a flow path 14 at an end of a movable core 7 having a second adsorbent 11
2. The electromagnetic device according to claim 1, further comprising: 2.