JPS58140609U - magnetic drive device - Google Patents
magnetic drive deviceInfo
- Publication number
- JPS58140609U JPS58140609U JP3822682U JP3822682U JPS58140609U JP S58140609 U JPS58140609 U JP S58140609U JP 3822682 U JP3822682 U JP 3822682U JP 3822682 U JP3822682 U JP 3822682U JP S58140609 U JPS58140609 U JP S58140609U
- Authority
- JP
- Japan
- Prior art keywords
- levers
- pair
- magnetic
- magnetic circuit
- drive device
- 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)
- Braking Arrangements (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来のビデオテープレコーダのブレーキ機構を
示す平面図、第２図は本考案の磁力駆動装置の一実施例
をビデオテープレコーダのブレーキ機構に適用した状態
の平面図、第３図はその磁力駆動装置の分解斜視図、第
４図は各部品組立調整時の平面図、第５図は各部品組立
調整時の一部を示す断面図、第６図は磁気回路のもれ磁
束を解消するための一例を示す説明図、第７図から第１
０図はそれぞれ磁気回路の変形例を示す説明図、第１１
図から第１３図はそれぞれコイル装置の変形例を示す断
面図である。
１３．１３Ａ、１３Ｂ、１３Ｃ，１３Ｄ、１３Ｅ°°°
永久磁石、１４．１４Ａ、１４Ｂ・・・ヨーク、１５．
１６・・・レバー、１７・・・スプリング、１８゜１８
Ａ・・・鉄心、２０・・・磁気回路。FIG. 1 is a plan view showing a conventional brake mechanism of a video tape recorder, FIG. 2 is a plan view of an embodiment of the magnetic drive device of the present invention applied to the brake mechanism of a video tape recorder, and FIG. An exploded perspective view of the magnetic drive device, Fig. 4 is a plan view when each part is assembled and adjusted, Fig. 5 is a cross-sectional view showing a part of each part when it is assembled and adjusted, and Fig. 6 shows the leakage magnetic flux of the magnetic circuit. Explanatory diagrams showing an example of how to solve the problem, Figures 7 to 1
Figure 0 is an explanatory diagram showing a modified example of the magnetic circuit, and Figure 11 is an explanatory diagram showing a modified example of the magnetic circuit.
13 are cross-sectional views showing modified examples of the coil device. 13.13A, 13B, 13C, 13D, 13E°°°
Permanent magnet, 14.14A, 14B...Yoke, 15.
16...Lever, 17...Spring, 18°18
A... Iron core, 20... Magnetic circuit.
Claims (7)
一対のレバーと、この一対のレバーヲ含んで構成されか
つ途中に永久磁石を有する磁気回路と、前記一対のレバ
ーを前記磁気回路に生じる磁力によって吸着される方向
とに反対方向へそれぞれ付勢するスプリングと、前記磁
気回路の磁力を増減させる少なくとも１以上のコイルと
を具備したことを特徴とする磁力駆動装置。(1) A pair of levers made of a magnetic material that can be displaced in opposite directions, a magnetic circuit that includes the pair of levers and has a permanent magnet in the middle, and a magnetic force generated in the magnetic circuit that moves the pair of levers. 1. A magnetic drive device comprising: springs that bias each other in a direction opposite to the direction in which the magnetic circuit is attracted; and at least one coil that increases or decreases the magnetic force of the magnetic circuit.
気回路は、途中に永久磁石を有するヨークと、このヨー
クの両端にそれぞれ基端部が回動自在に連結された一対
のレバーと、この一対レバーの先端部間に配置されそめ
一対のレバーを吸着する鉄心とからなることを特徴とす
る磁力駆動装置。(2) Utility Model Registration Scope of Claim 1 In claim 1, the magnetic circuit includes a yoke having a permanent magnet in the middle, and a pair of levers whose base end portions are rotatably connected to both ends of the yoke. A magnetic drive device characterized by comprising an iron core disposed between the tips of the pair of levers and attracting the pair of levers.
記磁気回路は、ヨー、りと、このヨークの両端にそれぞ
れ基端部が回動自在に連結された一対のレバーと、この
一対のレバーの先端部間に配置されその一対のレバーを
吸着するとともに途中に永久磁石を有する鉄心とからな
ることを特徴とする磁力駆動装置。(3) In claim 1 of the utility model registration, the magnetic circuit includes a yaw, a lever, a pair of levers whose base ends are rotatably connected to both ends of the yoke, and the pair of levers. 1. A magnetic drive device comprising: an iron core disposed between the tip portions of the iron core, which attracts the pair of levers, and has a permanent magnet in the middle.
気回路は、ヨークと、このヨークの両端にそれぞれ基端
部が回動自在に連結された一対のレバーと、この一対の
レバーの先端部にそれぞれ設けられた永久磁石と、前記
一対のレバーの先端部間に配置され前記永久磁石を吸着
する鉄心とからなることを特徴とする磁力駆動装置。(4) Utility Model Registration Scope of Claim 1 In claim 1, the magnetic circuit includes a yoke, a pair of levers whose base ends are rotatably connected to both ends of the yoke, and tips of the pair of levers. 1. A magnetic drive device comprising: a permanent magnet provided at each of the two levers; and an iron core disposed between the tip ends of the pair of levers to attract the permanent magnet.
気回路は、ヨークと、このヨークの両端にそれぞれ基端
部が回動自在に連結された一対のレバーと、この一対の
レバーの先端部間に配置されその一対のレバーを吸着す
る永久磁石とからなることを特徴とする磁力駆動装置。(5) Utility Model Registration Scope of Claim 1 In claim 1, the magnetic circuit includes a yoke, a pair of levers whose base ends are rotatably connected to both ends of the yoke, and tips of the pair of levers. A magnetic force drive device comprising a permanent magnet placed between the parts and attracting the pair of levers.
のいずれかにおいて、前記コイルは、前記磁気回路の一
部に巻回され通電方向が切換えられる１のコイルからな
ることを特徴とする磁力駆動装置。(6) Utility model registration Claims In any one of claims 1 to 5, the coil is characterized in that it consists of a single coil that is wound around a part of the magnetic circuit and whose energizing direction is switched. Magnetic drive device.
のいずれかにおいて、前記コイルは、前記磁気回路の一
部に巻回されその磁気回路の磁力を打消する方向へ通電
される第１のコイルと、前記磁気回路の一部に巻回され
その磁気回路の磁力を増す方向へ通電され−る第２のコ
イルとからなることを特徴とする磁力駆動装置。(7) In any one of claims 1 to 5 of the claims for utility model registration, the coil is wound around a part of the magnetic circuit and is energized in a direction that cancels the magnetic force of the magnetic circuit. A magnetic drive device comprising: a coil; and a second coil that is wound around a part of the magnetic circuit and is energized in a direction to increase the magnetic force of the magnetic circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3822682U JPS58140609U (en) | 1982-03-18 | 1982-03-18 | magnetic drive device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3822682U JPS58140609U (en) | 1982-03-18 | 1982-03-18 | magnetic drive device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58140609U true JPS58140609U (en) | 1983-09-21 |
| JPS6350817Y2 JPS6350817Y2 (en) | 1988-12-27 |
Family
ID=30049581
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3822682U Granted JPS58140609U (en) | 1982-03-18 | 1982-03-18 | magnetic drive device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58140609U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60155030U (en) * | 1984-03-21 | 1985-10-16 | 株式会社三協精機製作所 | Brake device of reel stand |
| JPH01253212A (en) * | 1988-04-01 | 1989-10-09 | Minolta Camera Co Ltd | Electromagnetic actuator |
| JPH0267716A (en) * | 1988-09-02 | 1990-03-07 | Canon Inc | Mask holding device |
| JP2013020980A (en) * | 2012-09-27 | 2013-01-31 | Mitsubishi Electric Corp | Electromagnetic contactor |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW459275B (en) | 1999-07-06 | 2001-10-11 | Semiconductor Energy Lab | Semiconductor device and method of fabricating the same |
-
1982
- 1982-03-18 JP JP3822682U patent/JPS58140609U/en active Granted
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60155030U (en) * | 1984-03-21 | 1985-10-16 | 株式会社三協精機製作所 | Brake device of reel stand |
| JPH01253212A (en) * | 1988-04-01 | 1989-10-09 | Minolta Camera Co Ltd | Electromagnetic actuator |
| JPH0267716A (en) * | 1988-09-02 | 1990-03-07 | Canon Inc | Mask holding device |
| JP2013020980A (en) * | 2012-09-27 | 2013-01-31 | Mitsubishi Electric Corp | Electromagnetic contactor |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6350817Y2 (en) | 1988-12-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS58140609U (en) | magnetic drive device | |
| JPS58168105U (en) | electromagnet device | |
| JPS5840810U (en) | electromagnet | |
| JPS6011414U (en) | release type electromagnetic device | |
| JPH0322890Y2 (en) | ||
| JPS6033735U (en) | electromagnetic relay | |
| JPS6066007U (en) | polar electromagnet device | |
| JPS5892052U (en) | print head | |
| JPS60101712U (en) | electromagnet device | |
| JPS58140610U (en) | magnetic drive device | |
| JPS6052428U (en) | electromagnetic clutch | |
| JPS6090805U (en) | release type electromagnetic device | |
| JPS6033415U (en) | polar electromagnet | |
| JPS6127314U (en) | polar electromagnet device | |
| JPS6144807U (en) | electromagnet device | |
| JPS5844808U (en) | electromagnet | |
| JPS599509U (en) | self-holding electromagnet | |
| JPS5914132U (en) | Optical pickup drive device | |
| JPS5917545U (en) | polarized relay | |
| JPS6040016U (en) | Magnetic head actuator | |
| JPS5984752U (en) | Structure of polarized latching type electromagnet | |
| JPS5937714U (en) | polar electromagnet | |
| JPS59187050U (en) | electromagnetic relay | |
| JPS6096758U (en) | electromagnetic relay | |
| JPS60156648U (en) | Electromagnet device for polarized electromagnetic relay |