JPH048406U - - Google Patents
Info
- Publication number
- JPH048406U JPH048406U JP4815190U JP4815190U JPH048406U JP H048406 U JPH048406 U JP H048406U JP 4815190 U JP4815190 U JP 4815190U JP 4815190 U JP4815190 U JP 4815190U JP H048406 U JPH048406 U JP H048406U
- Authority
- JP
- Japan
- Prior art keywords
- solenoid coil
- yoke
- gap
- axial direction
- electromagnetic actuator
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Electromagnets (AREA)
Description
第１図は本考案の実施例を一部断面して示した
正面図、第２図は同実施例の縦断面図、第３図は
同実施例で用いるヨークの斜視図、第４図及び第
５図は本考案の他の実施例で用いるヨークの縦断
面図及び側面図、第６図及び第７図はそれぞれ本
考案で用いることができるヨークの他の異なる例
を示した側面図、第８図は従来のアクチユエータ
を示した縦断面図、第９図は第８図のアクチユエ
ータの電気的構成を示した説明図、第１０図は従
来の他のアクチユエータを示す縦断面図、第１１
図は本考案の実施例においてプランジヤに作用す
る吸引力とプランジヤの変位量との関係を示した
線図、第１２図は従来のアクチユエータにおいて
プランジヤに作用する吸引力とプランジヤの変位
量との関係を示した線図、第１３図は従来のアク
チユエータ及び本考案の実施例のアクチユエータ
の変位量と励磁電流との関係を比較して示した線
図である。
１……ソレノイドコイル、２……ヨーク、２ａ
……周壁部、２ｂ……端部壁、３……プランジヤ
、４……コイルバネ。
Fig. 1 is a partially sectional front view of an embodiment of the present invention, Fig. 2 is a longitudinal sectional view of the embodiment, Fig. 3 is a perspective view of a yoke used in the embodiment, and Figs. FIG. 5 is a vertical sectional view and a side view of a yoke used in another embodiment of the present invention, and FIGS. 6 and 7 are side views showing other different examples of the yoke that can be used in the present invention, respectively. FIG. 8 is a longitudinal sectional view showing a conventional actuator, FIG. 9 is an explanatory diagram showing the electrical configuration of the actuator in FIG. 8, FIG. 10 is a longitudinal sectional view showing another conventional actuator, and FIG.
The figure is a diagram showing the relationship between the suction force acting on the plunger and the amount of displacement of the plunger in the embodiment of the present invention, and FIG. 12 is a diagram showing the relationship between the suction force acting on the plunger and the amount of displacement of the plunger in a conventional actuator. FIG. 13 is a diagram comparing the relationship between the displacement amount and excitation current of the conventional actuator and the actuator of the embodiment of the present invention. 1...Solenoid coil, 2...Yoke, 2a
... Peripheral wall portion, 2b ... End wall, 3 ... Plunger, 4 ... Coil spring.
Claims (1)
外周を囲む周壁部と該ソレノイドコイルの軸線方
向の一端の端面に対向する端部壁とを有するヨー
クと、前記ソレノイドコイルの内側の孔内を移動
自在に配置されて前記ソレノイドコイルが励磁さ
れたときに該ソレノイドコイルにより吸引されて
該ソレノイドコイルの軸線方向の他端側から前記
一端側に移動させられるプランジヤと、前記プラ
ンジヤを前記ソレノイドコイルの吸引力に抗する
方向に付勢するバネとを備えた電磁石式アクチユ
エータにおいて、 前記ヨークの一部に空隙部を形成して該空隙部
を形成した部分でヨークの磁気抵抗を増大させた
ことを特徴とする電磁石式アクチユエータ。[Claims for Utility Model Registration] A solenoid coil, a yoke having a peripheral wall surrounding the outer periphery of the solenoid coil, and an end wall opposite to an end surface of one end in the axial direction of the solenoid coil, and a yoke located inside the solenoid coil. a plunger disposed movably within the hole and attracted by the solenoid coil when the solenoid coil is energized and moved from the other end to the one end in the axial direction of the solenoid coil; In an electromagnetic actuator equipped with a spring biased in a direction that resists the attraction force of a solenoid coil, a gap is formed in a part of the yoke, and the magnetic resistance of the yoke is increased in the part where the gap is formed. An electromagnetic actuator characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4815190U JPH073602Y2 (en) | 1990-05-10 | 1990-05-10 | Electromagnetic actuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4815190U JPH073602Y2 (en) | 1990-05-10 | 1990-05-10 | Electromagnetic actuator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH048406U true JPH048406U (en) | 1992-01-27 |
| JPH073602Y2 JPH073602Y2 (en) | 1995-01-30 |
Family
ID=31564709
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4815190U Expired - Lifetime JPH073602Y2 (en) | 1990-05-10 | 1990-05-10 | Electromagnetic actuator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH073602Y2 (en) |
-
1990
- 1990-05-10 JP JP4815190U patent/JPH073602Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH073602Y2 (en) | 1995-01-30 |