JPH037238U - - Google Patents
Info
- Publication number
- JPH037238U JPH037238U JP6784189U JP6784189U JPH037238U JP H037238 U JPH037238 U JP H037238U JP 6784189 U JP6784189 U JP 6784189U JP 6784189 U JP6784189 U JP 6784189U JP H037238 U JPH037238 U JP H037238U
- Authority
- JP
- Japan
- Prior art keywords
- plunger
- switch
- housing
- built
- head
- 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
- 238000007789 sealing Methods 0.000 claims description 4
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
Description
第１図〜第４図はこの考案におけるリミツトス
イツチのシール装置を示すもので、第１図はカバ
ーを取外した状態のリミツトスイツチの正面図、
第２図は第１図の縦断面図、第３図は内蔵スイツ
チの平面図、第４図は第３図の縦断面図、第５図
は従来の内蔵スイツチをカバーを取外して示す正
面図、第６図は第５図の縦断面図である。
１……ハウジング、２……内蔵スイツチ、３…
…カバー、４……開口部、５……ヘツド、６……
回転軸、７……軸受部、８……ローラー、９……
レバー、１０……Ｏリングシール、１１……摺動
筒、１２……端板、１３……復帰スプリング、１
５……操作杆、１６……プランジヤー、１７……
スプリング、１９……ダイヤルフラムシール、２
０……コンジツト、２１……ケース、２２……カ
バー、２３……接着剤、２４……孔、２６……凹
所、２７……シール部材、２８……ねじ用端子、
２９……取付け耳部、３０……取付け孔。
Figures 1 to 4 show the sealing device of the limit switch in this invention, and Figure 1 is a front view of the limit switch with the cover removed;
Figure 2 is a vertical sectional view of Figure 1, Figure 3 is a plan view of the built-in switch, Figure 4 is a vertical sectional view of Figure 3, and Figure 5 is a front view of a conventional built-in switch with the cover removed. , FIG. 6 is a longitudinal sectional view of FIG. 5. 1...Housing, 2...Built-in switch, 3...
...Cover, 4...Opening, 5...Head, 6...
Rotating shaft, 7...Bearing section, 8...Roller, 9...
Lever, 10...O-ring seal, 11...Sliding tube, 12...End plate, 13...Return spring, 1
5... Operating rod, 16... Plunger, 17...
Spring, 19... Dial flamm seal, 2
0... Conduit, 21... Case, 22... Cover, 23... Adhesive, 24... Hole, 26... Recess, 27... Seal member, 28... Screw terminal,
29...Mounting ear part, 30...Mounting hole.
Claims (1)
一端にヘツド５を取付け、このヘツドには上記内
蔵スイツチ２のプランジヤー１６を操作する操作
杆１５を上記ハウジング１の軸心線方向に往復動
自在に支持するとともに、上記ハウジング１と上
記ヘツド５との間にはこれら両者の間のシールを
司るダイヤフラムシール１９を上記操作杆１５を
貫通させた状態で設けたものにおいて、上記内蔵
スイツチ２はケース２１とカバー２２とを接着剤
２３により結合するとともに、この接着剤により
両者間をシールし、かつ上記内蔵スイツチ２の上
記プランジヤー１６が突出される壁部と上記ハウ
ジング１内壁との間において、上記プランジヤー
１６の周囲に、これと所定の間隔をおいて、シー
ル部材２７を設け、このシール部材によつて上記
プランジヤー１６を上記ハウジング１内において
気密に隔離したリミツトスイツチのシール装置。 (2) 上記内蔵スイツチ２の上記プランジヤー１
６が設けられる側壁に上記シール部材２７を位置
決めする環状の凹所２６を上記プランジヤー１６
から所定の間隔をおいて設けた実用新案登録請求
の範囲第１項記載のリミツトスイツチのシール装
置。[Claims for Utility Model Registration] (1) A head 5 is attached to one end of the housing 1 that houses the built-in switch 2, and an operating rod 15 for operating the plunger 16 of the built-in switch 2 is attached to the shaft of the housing 1. A diaphragm seal 19 is provided between the housing 1 and the head 5 so as to be reciprocally movable in the direction of the core, and the operating rod 15 passes through the diaphragm seal 19 for sealing between the housing 1 and the head 5. , the built-in switch 2 connects the case 21 and the cover 22 with an adhesive 23, seals the two with this adhesive, and connects the housing 1 to the wall portion from which the plunger 16 of the built-in switch 2 is projected. A seal member 27 is provided around the plunger 16 at a predetermined distance between the plunger 16 and the inner wall, and the plunger 16 is hermetically isolated within the housing 1 by this seal member. Device. (2) The plunger 1 of the built-in switch 2
6 is provided with an annular recess 26 for positioning the sealing member 27 in the side wall of the plunger 16.
A sealing device for a limit switch according to claim 1, which is provided at a predetermined interval from the end of the limit switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6784189U JPH0537380Y2 (en) | 1989-06-09 | 1989-06-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6784189U JPH0537380Y2 (en) | 1989-06-09 | 1989-06-09 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH037238U true JPH037238U (en) | 1991-01-24 |
| JPH0537380Y2 JPH0537380Y2 (en) | 1993-09-21 |
Family
ID=31601775
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6784189U Expired - Lifetime JPH0537380Y2 (en) | 1989-06-09 | 1989-06-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0537380Y2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5026613A (en) * | 1973-03-21 | 1975-03-19 | ||
| JPS5047503U (en) * | 1973-08-31 | 1975-05-12 | ||
| JP2016154093A (en) * | 2015-02-20 | 2016-08-25 | アズビル株式会社 | Switching device, and method of manufacturing the same |
-
1989
- 1989-06-09 JP JP6784189U patent/JPH0537380Y2/ja not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5026613A (en) * | 1973-03-21 | 1975-03-19 | ||
| JPS5636069B2 (en) * | 1973-03-21 | 1981-08-21 | ||
| JPS5047503U (en) * | 1973-08-31 | 1975-05-12 | ||
| JP2016154093A (en) * | 2015-02-20 | 2016-08-25 | アズビル株式会社 | Switching device, and method of manufacturing the same |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0537380Y2 (en) | 1993-09-21 |
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