JP2597526B2 - Electric switch with push bar - Google Patents
Electric switch with push barInfo
- Publication number
- JP2597526B2 JP2597526B2 JP4027179A JP2717992A JP2597526B2 JP 2597526 B2 JP2597526 B2 JP 2597526B2 JP 4027179 A JP4027179 A JP 4027179A JP 2717992 A JP2717992 A JP 2717992A JP 2597526 B2 JP2597526 B2 JP 2597526B2
- Authority
- JP
- Japan
- Prior art keywords
- contact
- push rod
- electric circuit
- switch
- operating
- 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.)
- Expired - Lifetime
Links
- 230000000994 depressogenic effect Effects 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 description 3
- 230000003213 activating effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
- H01H3/022—Emergency operating parts, e.g. for stop-switch in dangerous conditions
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H2009/0083—Details of switching devices, not covered by groups H01H1/00 - H01H7/00 using redundant components, e.g. two pressure tubes for pressure switch
Landscapes
- Push-Button Switches (AREA)
- Mechanisms For Operating Contacts (AREA)
- Switch Cases, Indication, And Locking (AREA)
Description
【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION
【0001】[0001]
【産業上の利用分野】本発明は押し棒を有する電気スイ
ッチの改良に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electric switch having a push rod.
【0002】[0002]
【従来の技術】周知の通り各種電気機械を駆動制御する
電気系統に非常用スイッチ等のスイッチが用いられてい
る。この非常用スイッチは通常電気回路の接点を開閉す
る接点具の他に、それを作動させる為の人が操作する作
動ボタンを有する。所で接点具に作動ボタンの作用を伝
える為に作動ボタンと接点具との間に押し棒が在る。そ
して従来のこの種の押し棒が在る電気スイッチは通常接
点具を閉じて電気回路を接続した状態と、接点具を開い
た電気回路を遮断した状態の2つがとられるようになっ
ているのみである。2. Description of the Related Art As is well known, switches such as emergency switches are used in an electric system for driving and controlling various electric machines. This emergency switch usually has a contact device for opening and closing the contacts of the electric circuit, as well as an operation button operated by a person for activating the contact device. There is a push rod between the actuating button and the contact to convey the action of the actuating button to the contact. The conventional electric switch having a push rod of this kind can be used only in a state in which the electric circuit is connected by closing the contact member and a state in which the electric circuit with the contact member opened is cut off. It is.
【0003】[0003]
【発明が解決しようとする課題】上記作動部と接点具の
間に作用を伝える為の押し棒がある上記の従来技術の場
合、作動部や押し棒を分離して保守の用に供すことが必
要である。所が従来技術は上述したように接点具が閉じ
た状態か、開いた状態かの2つの状態しか採れないの
で、作動部を押し棒から分離した場合、作動部が取外さ
れているにもかかわらず、接点具が閉じた状態になった
ままの事も生じかねず、安全管理上問題があった。In the case of the above-mentioned prior art in which there is a push rod for transmitting an action between the above-mentioned operating part and the contact device, it is possible to separate the operating part and the push rod for use in maintenance. is necessary. However, in the prior art, as described above, there are only two states, that is, the contact tool is in a closed state or an open state. Therefore, when the operating part is separated from the push rod, even if the operating part is removed. Regardless, the contact point may remain closed, and there is a problem in safety management.
【0004】従って本発明の目的とする所は、電気スイ
ッチの接点具を開閉する為に作動部を操作し、その操作
を押し棒を介して接点具に伝えるように電気スイッチに
於いて;押し棒を有する事からスイッチ盤への取付や保
守の為に作動部と押し棒を分離できるようにした上で、
上記分離時には接点具が必ず開かれ、電気回路が遮断さ
れるようになし、安全管理上有利とするにある。Accordingly, it is an object of the present invention to operate an operating portion to open and close a contact member of an electric switch, and to push the electric switch so that the operation is transmitted to the contact member via a push rod. Since it has a rod, the operating part and the push rod can be separated for mounting on the switch panel and maintenance.
At the time of the above separation, the contact member is always opened and the electric circuit is cut off, which is advantageous for safety management.
【0005】[0005]
【課題を解決する為の手段】上記目的を達成する為に本
発明は次の技術的手段を有する。即ち本発明は電気回路
の接点を開閉する接点具と、その接点具を開閉する為に
操作する作動部と、作動部の動きを接点具に伝える押し
棒とを有し、接点具が電気回路を閉じて電気回路を接続
した状態と、接点具が電気回路を開いて電気回路を遮断
し得る状態を有する押し棒を有する電気スイッチに於い
て、上記接点具は作動部と接点具を有する接点保持部が
一体結合された状態で押し棒が停止状態の時に閉じて、
電気回路を接続と成し、作動部の操作によって押し棒が
押下された時に開いて、電気回路を遮断となす以外に、
作動部と接点保持部を分離した時に接点具がバネの作用
によって電気回路を開き電気回路を遮断できるように構
成されていることを特徴とするものである。In order to achieve the above object, the present invention has the following technical means. That is, the present invention has a contact device for opening and closing the contacts of an electric circuit, an operating portion operated to open and close the contact device, and a push rod for transmitting the movement of the operating portion to the contact device. An electric switch having a push rod having a state in which the electric circuit is closed by closing the electric circuit, and a state in which the contact member can open the electric circuit to cut off the electric circuit, wherein the contact member has a contact having an operating portion and a contact member. Closes when the push rod is in the stopped state with the holding part integrated,
In addition to connecting the electric circuit and opening it when the push rod is depressed by operating the operating part, not only breaking the electric circuit,
When the operating part and the contact holding part are separated from each other, the contact member is configured to open the electric circuit by the action of the spring and cut off the electric circuit.
【0006】[0006]
【作用】上記構成によると作動部が接点保持部から分離
された時には、接点具はバネの作用によって電気回路を
開くので、保守時等も安全である。According to the above construction, when the operating part is separated from the contact holding part, the contact member opens the electric circuit by the action of the spring, so that the maintenance is safe.
【0007】[0007]
【実施例】次に添付図面に従い本発明の実施例を詳細に
説明する。先ず図1〜図3に従い第一の実施例を説明す
る。この例は非常用キースイッチの例である。即ちこの
非常用キースイッチは全体としてスイッチ盤1に組込ま
れている。符号3は作動部を示し、ケース4中に於いて
出入できるように押し棒5が配設され、この押し棒5の
上部に一体にキャップ6が取付けられている。そして上
記ケース4はスイッチ盤1に対しカラー7とねじリング
8によって取付けられている。且つケース4の下部10
にはいわゆるバヨネット式装着部分が形成されている。DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below in detail with reference to the accompanying drawings. First, a first embodiment will be described with reference to FIGS. This example is an example of an emergency key switch. That is, the emergency key switch is incorporated in the switch board 1 as a whole. Reference numeral 3 denotes an operating portion, and a push rod 5 is provided so as to be able to enter and exit the case 4, and a cap 6 is integrally attached to an upper portion of the push rod 5. The case 4 is attached to the switch panel 1 by a collar 7 and a screw ring 8. And the lower part 10 of the case 4
Is formed with a so-called bayonet-type mounting portion.
【0008】次いで接点保持部11は、U字形のホルダ
ー12と、これに下部から差し込まれた2個のスイッチ
13,14とから成り立っている。これらスイッチ1
3,14の各々には接点具が含まれる。上記ホルダー1
2の下部には一体として3個の止め部17が形成され、
その内の2個だけにスイッチ13,14が取付けられて
いる。即ち各スイッチ13,14は一体板15によって
連結され、その一体板15の下部の突起16が上記の止
め部17に係合していることによってホルダー12の下
部にこれらスイッチ13,14が納められている。そし
て符号18は上記スイッチ13,14各々に電線を接続
する際の開口部を示している。Next, the contact holding section 11 is composed of a U-shaped holder 12 and two switches 13 and 14 inserted into the holder 12 from below. These switches 1
Each of 3 and 14 includes a contact tool. The above holder 1
At the lower part of 2, three stoppers 17 are formed integrally,
Switches 13 and 14 are attached to only two of them. That is, the switches 13 and 14 are connected by an integral plate 15, and the switches 13 and 14 are accommodated in the lower portion of the holder 12 by the projection 16 on the lower portion of the integral plate 15 engaging with the stop 17. ing. Reference numeral 18 denotes an opening for connecting an electric wire to each of the switches 13 and 14.
【0009】上記スイッチ13は非作動の時ONとし
て、又スイッチ14は非作動の時OFFとして機能す
る。両方とも互いに直列に接続されている。各スイッチ
13,14は、可動の接点具と押し棒とを持ち、スイッ
チ13の押し棒の頭部19は、スイッチ14の押し棒の
頭部20より狭い。そして両方のスイッチの押し棒頭部
19,20は、ホルダー12の受入れ開口部21を通し
て外に臨んでいる。The switch 13 functions as ON when not operating, and the switch 14 functions as OFF when not operating. Both are connected in series with each other. Each of the switches 13 and 14 has a movable contact member and a push rod, and the push rod head 19 of the switch 13 is narrower than the push rod head 20 of the switch 14. The push rod heads 19 and 20 of both switches face outward through the receiving opening 21 of the holder 12.
【0010】そして、上記作動部3と接点保持部11が
図3の様に外された状態になっている時、スイッチ14
の接点具は開かれ、電気回路は開かれている。図2のよ
うな作動部3と接点保持部11との結合はケース4の下
部10をホルダー12の受入れ開口部21に通して、回
転してバヨネット式装着部を係合することによって行わ
れる。図2はこのことを図示している。この作動部3と
接点保持部11の結合状態で、スイッチ13の押し棒頭
部19はケース4の下部10に入り込んでいる一方、ス
イッチ14の押し棒頭部20はケース4の前面側に合わ
せられて、この結合の際押し込まれる。When the operating portion 3 and the contact holding portion 11 are detached as shown in FIG.
Are open and the electrical circuit is open. The connection between the operating part 3 and the contact holding part 11 as shown in FIG. 2 is performed by passing the lower part 10 of the case 4 through the receiving opening 21 of the holder 12 and rotating and engaging the bayonet type mounting part. FIG. 2 illustrates this. In the coupled state of the operating portion 3 and the contact holding portion 11, the push rod head 19 of the switch 13 enters the lower portion 10 of the case 4, while the push rod head 20 of the switch 14 is aligned with the front side of the case 4. And pushed in during this connection.
【0011】この結合状態で各スイッチの接点具は接続
状態となり、スイッチ13と14とは両方とも接続され
ている。且つ電気回路は全体として接続されて、給電さ
れる機械を稼動し始めることができる。この時押し棒5
は押下されず停止状態になっている。而してホルダー1
2をケース4から分離した場合に、スイッチ14の押し
棒20は図3の様な元の状態に戻る。それは、スイッチ
14がオフして、その結果制御された機械は稼動するこ
とができない。それによって、接点保持部11が作動部
3から分離しているという信号を与える。In this coupled state, the contacts of each switch are connected, and both switches 13 and 14 are connected. And the electrical circuit can be connected as a whole to start running the powered machine. At this time, push rod 5
Is not pressed and is in a stopped state. Thus holder 1
When 2 is separated from case 4, push rod 20 of switch 14 returns to the original state as shown in FIG. That is, the switch 14 is turned off, so that the controlled machine cannot operate. This gives a signal that the contact holding unit 11 is separated from the operating unit 3.
【0012】上記構成により非常用キースイッチを通常
操作する為に、キャップ6を押すと、それによって作動
押し棒5がその前端面でスイッチ13の押し棒頭部19
を押し込み、その為にスイッチ13が開く、これはスイ
ッチ13の接点具が押し込まれた状態となり、開き電気
回路が遮断される。押し棒5は押し込まれた状態に止め
られて、回転することによって再び外すことができるも
のである。In order to normally operate the emergency key switch according to the above configuration, when the cap 6 is pushed, the operating push bar 5 is pushed at its front end face by the push bar head 19 of the switch 13.
, And the switch 13 is opened for this purpose. In this state, the contacts of the switch 13 are pushed, and the electric circuit is opened. The push rod 5 is stopped in a pushed state, and can be removed again by rotating.
【0013】図4による2番目の実施例の場合にも、二
つのスイッチがホルダー12に挿入されている。一方の
スイッチ14aを第一実施例のスイッチ14の代わりに
用いている。その押し棒頭部22は一番目の例の押し棒
頭部20と比べて狭く、且つ第一例の押し棒頭部19と
20より数ミリメートル長い。又、この押し棒頭部22
は作動部3を接点保持部11と結合する場合の押し棒頭
部19の様に、ケース4の下方の開口部に食い込んで、
その際作動押し棒5の前端面9で接触し結合を終える
と、スイッチ14aは閉じられる。即ち電気回路も全て
接続される。ここで、押し棒5が下方へ作動されるとス
イッチ13がオフし電気回路は遮断される。In the case of the second embodiment according to FIG. 4, two switches are also inserted in the holder 12. One switch 14a is used in place of the switch 14 of the first embodiment. The push rod head 22 is narrower than the push rod head 20 of the first example, and is several millimeters longer than the push rod heads 19 and 20 of the first example. Also, this push rod head 22
Cuts into the lower opening of the case 4 like a push rod head 19 when the operating part 3 is connected to the contact holding part 11,
At that time, the switch 14a is closed when the front end face 9 of the actuating push bar 5 comes into contact and the connection is completed. That is, all the electric circuits are connected. Here, when the push rod 5 is operated downward, the switch 13 is turned off and the electric circuit is cut off.
【0014】次いで、図5に図示された制御キーの例を
示す。この例ではスイッチ盤1の開口部に上から差し込
み、後から座金24を用いて固定されるケース23を一
個だけ持っている。このケース23は、一方では押し棒
25の為の案内を形成し、他方では接点具26を持って
いる。この接点具26は上方に作動延長部28を形成す
る接点摺動部27から成り立っている。バネ29は接点
摺動部27を上方に押し上げ、そして接点具26の作動
延長部28を押し棒25の前端面に押し当てている。接
続している2個の接点バネ30は接点ブリッヂ31とし
て作用し、そのブリッヂは絶縁材で構成された上記接点
摺動部27の外周面で接触している。この制御スイッチ
の場合に、ケースが損傷して、その為に押し棒25が落
ち込んだりした場合には、バネ29が接点摺動部27を
作動状態に上方に押し上げる。押し棒25を押すと、接
点摺動部27はバネ29に対して押され、それで電気回
路も同じく遮断される。Next, an example of the control key shown in FIG. 5 will be described. In this example, only one case 23 is inserted into the opening of the switch panel 1 from above, and is fixed using a washer 24 later. This case 23 forms, on the one hand, a guide for the push rod 25 and, on the other hand, has a contact 26. This contact member 26 comprises a contact sliding portion 27 forming an operation extension 28 above. The spring 29 pushes the contact slide 27 upward, and presses the operating extension 28 of the contact member 26 against the front end face of the push rod 25. The two contact springs 30 connected as a contact bridge 31 are in contact with the outer peripheral surface of the contact slide portion 27 made of an insulating material. In the case of this control switch, if the case is damaged and the push rod 25 falls down, the spring 29 pushes the contact sliding portion 27 upward in the operating state. When the push rod 25 is pushed, the contact slide 27 is pushed against the spring 29, so that the electric circuit is also interrupted.
【0015】図6の例は交互作動方式として図5による
制御キーの場合のようなものに使用可能な接点具32の
他例を図示している。これは2個の可動接点ブリッヂ3
3,34を持ち、この2つの接点ブリッヂ33,34は
摺動部35によって上下に作動される。そしてこの摺動
部35は接点ブリッヂ33,34を上下動させる為の2
個の溝を持ち、これら各溝の中のバネ36,37によっ
て各可動接点33,34を付勢している。且つ両方の接
点ブリッヂは直列に接続されている。更にケース下方の
バネ38は摺動部35を上方に押し上げている。押し棒
によって摺動部35を下げると接点具は開かれ、電気回
路が遮断される。The example of FIG. 6 shows another example of the contact member 32 which can be used as an alternate operation system such as the control key shown in FIG. This is two movable contact bridge 3
3 and 34, the two contact bridges 33 and 34 being actuated up and down by a sliding part 35. The sliding portion 35 is used to move the contact bridges 33 and 34 up and down.
The movable contacts 33 and 34 are urged by springs 36 and 37 in these grooves. In addition, both contact bridges are connected in series. Further, a spring 38 below the case pushes the sliding portion 35 upward. When the sliding portion 35 is lowered by the push rod, the contact member is opened, and the electric circuit is cut off.
【0016】[0016]
【効果】以上詳述した如くこの発明によれば、電気回路
の接点を開閉する接点具を押し棒を介して作動部によっ
て操作する電気スイッチに於いて、作動部と接点具を有
する接点保持部を分離した時には、接点保持部内の接点
具が必ず開かれ電気回路が遮断され安全である。As described above in detail, according to the present invention, in an electric switch in which a contact member for opening and closing a contact of an electric circuit is operated by an operating portion via a push rod, a contact holding portion having an operating portion and a contact member. When the contact is separated, the contact tool in the contact holding part is always opened, and the electric circuit is cut off, so that it is safe.
【図1】第一の実施例を示す非常用キースイッチの正面
図である。FIG. 1 is a front view of an emergency key switch according to a first embodiment.
【図2】図1の例の部分断面を含む側面図である。FIG. 2 is a side view including a partial cross section of the example of FIG. 1;
【図3】図1の例の作動部に対し接点具を有する接点保
持部を分離した所を示す図である。FIG. 3 is a diagram illustrating a state where a contact holding unit having a contact tool is separated from the operating unit of the example of FIG. 1;
【図4】第2の例を示し、作動部に対し接点具を有する
接点保持部を分離した所を示す図である。FIG. 4 is a view showing a second example, in which a contact holding section having a contact tool is separated from an operation section.
【図5】第3の例を示し、制御用スイッチに適用した例
である。FIG. 5 shows a third example, which is an example applied to a control switch.
【図6】第4の例を示す接点具部分を示す図である。FIG. 6 is a view showing a contact point part showing a fourth example.
Claims (1)
の接点具を開閉する為に操作する作動部と、作動部の動
きを接点具に伝える押し棒とを有し、接点具が電気回路
を閉じて電気回路を接続した状態と、接点具が電気回路
を開いて電気回路を遮断し得る状態の2つを有する押し
棒を有する電気スイッチに於いて、上記接点具は作動部
と接点具を有する接点保持部が一体結合された状態で押
し棒が停止状態の時に閉じていて電気回路を接続と成
し、作動部の操作によって押し棒が押下された時に開い
て、電気回路を遮断となす以外に、作動部と接点保持部
を分離した時に接点具がバネの作用によって電気回路を
開き電気回路を遮断できるように構成されていることを
特徴とする押し棒を有する電気スイッチ。A contact device for opening and closing a contact of an electric circuit, an operating portion for operating the contact device for opening and closing, and a push rod for transmitting a movement of the operating portion to the contact device, wherein the contact device is an electric device. In an electric switch having a push rod having two states: a state in which a circuit is closed and an electric circuit is connected, and a state in which a contact tool can open an electric circuit and shut off the electric circuit, the contact tool has an operating part and a contact. The push rod is closed when the push rod is stopped and the electric circuit is connected when the contact holding part having the tool is integrally connected, and opens when the push rod is depressed by the operation of the operating part to cut off the electric circuit. In addition to the above, an electric switch having a push rod, wherein the contact member is configured to open an electric circuit by the action of a spring when the operating portion and the contact holding portion are separated from each other, and to interrupt the electric circuit.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4101493A DE4101493C2 (en) | 1991-01-19 | 1991-01-19 | Electrical switch with a contact device and a plunger |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH07262864A JPH07262864A (en) | 1995-10-13 |
JP2597526B2 true JP2597526B2 (en) | 1997-04-09 |
Family
ID=6423312
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4027179A Expired - Lifetime JP2597526B2 (en) | 1991-01-19 | 1992-01-18 | Electric switch with push bar |
Country Status (4)
Country | Link |
---|---|
JP (1) | JP2597526B2 (en) |
DE (1) | DE4101493C2 (en) |
FR (1) | FR2671905B1 (en) |
IT (1) | IT1258338B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE112008003036T5 (en) | 2007-11-22 | 2010-09-09 | Idec Corp. | Switchgear and contact block |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
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-
1991
- 1991-01-19 DE DE4101493A patent/DE4101493C2/en not_active Expired - Lifetime
-
1992
- 1992-01-09 IT ITFI920003A patent/IT1258338B/en active IP Right Grant
- 1992-01-16 FR FR9200399A patent/FR2671905B1/en not_active Expired - Fee Related
- 1992-01-18 JP JP4027179A patent/JP2597526B2/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE112008003036T5 (en) | 2007-11-22 | 2010-09-09 | Idec Corp. | Switchgear and contact block |
DE112008003036B4 (en) | 2007-11-22 | 2018-12-13 | Idec Corp. | Switchgear and contact block |
Also Published As
Publication number | Publication date |
---|---|
ITFI920003A1 (en) | 1993-07-09 |
FR2671905A1 (en) | 1992-07-24 |
DE4101493C2 (en) | 2001-07-19 |
ITFI920003A0 (en) | 1992-01-09 |
JPH07262864A (en) | 1995-10-13 |
DE4101493A1 (en) | 1992-07-23 |
IT1258338B (en) | 1996-02-26 |
FR2671905B1 (en) | 1994-08-26 |
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