JPH03127743U - - Google Patents
Info
- Publication number
- JPH03127743U JPH03127743U JP3741290U JP3741290U JPH03127743U JP H03127743 U JPH03127743 U JP H03127743U JP 3741290 U JP3741290 U JP 3741290U JP 3741290 U JP3741290 U JP 3741290U JP H03127743 U JPH03127743 U JP H03127743U
- Authority
- JP
- Japan
- Prior art keywords
- explosion
- switch
- magnetic
- proof
- pushing
- 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
- 239000000696 magnetic material Substances 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 3
- 235000014676 Phragmites communis Nutrition 0.000 description 1
Landscapes
- Switches That Are Operated By Magnetic Or Electric Fields (AREA)
Description
第１図はこの考案の実施例である防爆形スイツ
チの構成を示す図、第２図はこの考案の他の実施
例で耐圧防爆形バーコードリーダに適用した防爆
形スイツチの構成を示す図、第３図は請求項(2)
に記載した考案に係る防爆形スイツチの構成を示
す図、第４図は従来の防爆形スイツチの構成を示
す図である。
１１，３１，５１……防爆形容器壁、１６，５
６……操作軸、１７，３７……リードスイツチ、
１８，３８……磁石、３６……スイツチレバー、
５７……磁気近接スイツチ、５８……磁性体材。
FIG. 1 is a diagram showing the configuration of an explosion-proof switch that is an embodiment of this invention, and FIG. 2 is a diagram showing the configuration of an explosion-proof switch applied to a pressure-resistant explosion-proof barcode reader as another embodiment of this invention. Figure 3 is claim (2)
FIG. 4 is a diagram showing the structure of a conventional explosion-proof switch. 11, 31, 51...Explosion-proof container wall, 16, 5
6... Operation axis, 17, 37... Reed switch,
18, 38...Magnet, 36...Switch lever,
57...Magnetic proximity switch, 58...Magnetic material.
Claims (1)
知スイツチを配設するとともに、前記防爆形容器
外壁に前記磁気感知スイツチの対向所定部位に磁
石を配設してなる押動操作部を取着し、該押動操
作部の押動により前記磁気感知スイツチをオンオ
フさせてなるように構成したことを特徴とする防
爆形スイツチ。 (2) 非磁性体材からなる防爆形容器内に磁気近
接スイツチを配設するとともに、前記防爆形容器
外壁に前記磁気近接スイツチの対向所定部位に磁
性体材を配設してなる押動操作部を取着し、該押
動操作部の押動により前記磁気近接スイツチをオ
ンオフさせてなるように構成したことを特徴とす
る防爆形スイツチ。[Claims for Utility Model Registration] (1) A magnetic sensing switch is disposed within an explosion-proof container made of non-magnetic material, and a magnet is placed on the outer wall of the explosion-proof container at a predetermined position opposite to the magnetic sensing switch. 1. An explosion-proof switch comprising: a push-operation section; the magnetic sensing switch is turned on and off by pushing the push-operation section; (2) A push operation in which a magnetic proximity switch is disposed within an explosion-proof container made of a non-magnetic material, and a magnetic material is disposed on the outer wall of the explosion-proof container at a predetermined portion facing the magnetic proximity switch. 1. An explosion-proof switch, characterized in that the magnetic proximity switch is turned on and off by pushing the pushing operation part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3741290U JPH03127743U (en) | 1990-04-07 | 1990-04-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3741290U JPH03127743U (en) | 1990-04-07 | 1990-04-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03127743U true JPH03127743U (en) | 1991-12-24 |
Family
ID=31544495
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3741290U Pending JPH03127743U (en) | 1990-04-07 | 1990-04-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03127743U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015111562A (en) * | 2013-10-29 | 2015-06-18 | アズビル株式会社 | Switch structure and explosion proof apparatus |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4989866A (en) * | 1972-12-30 | 1974-08-28 |
-
1990
- 1990-04-07 JP JP3741290U patent/JPH03127743U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4989866A (en) * | 1972-12-30 | 1974-08-28 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015111562A (en) * | 2013-10-29 | 2015-06-18 | アズビル株式会社 | Switch structure and explosion proof apparatus |
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