JPH0374443U - - Google Patents
Info
- Publication number
- JPH0374443U JPH0374443U JP13646989U JP13646989U JPH0374443U JP H0374443 U JPH0374443 U JP H0374443U JP 13646989 U JP13646989 U JP 13646989U JP 13646989 U JP13646989 U JP 13646989U JP H0374443 U JPH0374443 U JP H0374443U
- Authority
- JP
- Japan
- Prior art keywords
- core
- proximity switch
- detection coil
- coil
- view
- 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.)
- Pending
Links
- 238000001514 detection method Methods 0.000 claims description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Switches That Are Operated By Magnetic Or Electric Fields (AREA)
Description
第１図はこの考案に係る近接スイツチの一例を
示す図、第２図は同近接スイツチの要部を示す拡
大断面図、第３図は同近接スイツチの要部の変形
例を示す拡大断面図、第４ａ図および第４ｂ図は
それぞれ同近接スイツチの要部の別の変形例を示
す拡大断面図およびコア部の正面図、第５図は同
近接スイツチの要部のさらに別の変形例を示す拡
大断面図、第６図は従来の近接スイツチを示す断
面図、第７図は従来のものにおいて、コイルスプ
ールの位置ずれ状態を示す拡大断面図である。
４……コア、５……コイルスプール、６……検
出コイル、２１，２２，２３，２４……突部。
Fig. 1 is a diagram showing an example of the proximity switch according to this invention, Fig. 2 is an enlarged sectional view showing the main parts of the proximity switch, and Fig. 3 is an enlarged sectional view showing a modification of the main parts of the proximity switch. , FIGS. 4a and 4b are an enlarged cross-sectional view and a front view of the core section showing another modification of the main part of the proximity switch, respectively, and FIG. 5 shows still another modification of the main part of the proximity switch. FIG. 6 is an enlarged sectional view showing a conventional proximity switch, and FIG. 7 is an enlarged sectional view showing a positional deviation of the coil spool in the conventional proximity switch. 4...Core, 5...Coil spool, 6...Detection coil, 21, 22, 23, 24...Protrusion.
Claims (1)
ルスプールと上記コアとの間に、このコアに対し
て検出コイルを位置決めさせる突部を設けたこと
を特徴とする近接スイツチ。 A proximity switch characterized in that a protrusion for positioning the detection coil with respect to the core is provided between the core and a coil spool around which the detection coil is wound and fitted onto the core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13646989U JPH0374443U (en) | 1989-11-24 | 1989-11-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13646989U JPH0374443U (en) | 1989-11-24 | 1989-11-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0374443U true JPH0374443U (en) | 1991-07-26 |
Family
ID=31683672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13646989U Pending JPH0374443U (en) | 1989-11-24 | 1989-11-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0374443U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002083465A1 (en) * | 2001-04-12 | 2002-10-24 | Fujitsu Ten Limited | Theft preventive device |
-
1989
- 1989-11-24 JP JP13646989U patent/JPH0374443U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002083465A1 (en) * | 2001-04-12 | 2002-10-24 | Fujitsu Ten Limited | Theft preventive device |