JPH06103881A - Operation device with motor for circuit breaker - Google Patents
Operation device with motor for circuit breakerInfo
- Publication number
- JPH06103881A JPH06103881A JP25295892A JP25295892A JPH06103881A JP H06103881 A JPH06103881 A JP H06103881A JP 25295892 A JP25295892 A JP 25295892A JP 25295892 A JP25295892 A JP 25295892A JP H06103881 A JPH06103881 A JP H06103881A
- Authority
- JP
- Japan
- Prior art keywords
- handle
- operating member
- moving body
- circuit breaker
- slide groove
- 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
Landscapes
- Breakers (AREA)
Abstract
Description
【0001】[0001]
【産業上の利用分野】この発明は、回路遮断器のハンド
ルを遠隔で操作する回路遮断器の電動操作装置に関する
ものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electric operating device for a circuit breaker for remotely operating a handle of the circuit breaker.
【0002】[0002]
【従来の技術】従来例を図7および図8に示す。すなわ
ち、この回路遮断器の電動操作装置は、回路遮断器70
のハンドル71に係脱自在に係合する切欠状の操作凹部
72を先端に有する動作部材73と、この動作部材73
の後端を摺動自在に支持する移動体74と、この移動体
74をハンドル71の動作方向に往復移動可能に支持す
るとともに遠隔信号によりハンドル71が動作するよう
に移動体74を移動させる駆動装置75とを備え、移動
体74に蟻溝76を形成し、動作部材73に蟻ほぞ77
を形成して摺動自在に係合している。2. Description of the Related Art A conventional example is shown in FIGS. That is, the electric operating device for the circuit breaker is the circuit breaker 70.
An operating member 73 having a notch-shaped operation concave portion 72 at its tip, which engages with the handle 71 of the device in a detachable manner, and the operating member 73.
A moving body 74 slidably supporting the rear end thereof, and a drive for supporting the moving body 74 in a reciprocating manner in the operating direction of the handle 71 and moving the moving body 74 so that the handle 71 is operated by a remote signal. And a device 75, a dovetail groove 76 is formed in the moving body 74, and a dovetail 77 is formed in the operating member 73.
Are formed to be slidably engaged.
【0003】動作部材73を移動体74に対して手動で
摺動して操作凹部72をハンドル71から外すと、ハン
ドル71を手動で直接操作でき、操作凹部72をハンド
ル71に係合して駆動装置75を遠隔信号により駆動す
るとハンドル71を遠隔で操作できる。When the operating member 73 is manually slid with respect to the moving body 74 and the operating recess 72 is removed from the handle 71, the handle 71 can be directly operated directly, and the operating recess 72 is engaged with the handle 71 for driving. When the device 75 is driven by a remote signal, the handle 71 can be operated remotely.
【0004】[0004]
【発明が解決しようとする課題】しかし、この回路遮断
器の電動操作装置は、組立時に動作部材73の長手方向
に延びた蟻ほぞ77を蟻溝76に係合する必要があるた
め、組立しにくいという欠点があった。また蟻ほぞ77
と蟻溝76との係合部に適度の隙間を設けると、動作部
材73の手動操作が円滑にできるが、動作部材73がハ
ンドル71の上下方向に若干のがたつきが生ずる。この
ため、動作部材73でハンドル71を操作するとき動作
部材73の操作凹部72側が上方にずれ、必要となるハ
ンドル71の駆動力が増して駆動力の伝達ロスが発生す
る。さらにハンドル71を繰り返して操作するとそのが
たつきが大きくなり、ますます駆動力の伝達ロスが大き
くなる。However, in the electric operating device for the circuit breaker, it is necessary to engage the dovetail groove 77 extending in the longitudinal direction of the operating member 73 with the dovetail groove 76 during assembly. It had the drawback of being difficult. See also ant mortise 77
If an appropriate gap is provided in the engaging portion between the dovetail groove 76 and the dovetail groove 76, the operating member 73 can be smoothly operated manually, but the operating member 73 is slightly rattled in the vertical direction of the handle 71. For this reason, when operating the handle 71 with the operating member 73, the operating recess 72 side of the operating member 73 shifts upward, and the required driving force of the handle 71 increases and a transmission loss of the driving force occurs. Further, when the handle 71 is repeatedly operated, the rattling thereof becomes large, and the transmission loss of the driving force further increases.
【0005】また組立点検時に駆動装置75のカバーを
開いた状態で、ハンドル71の手動操作のチエックを行
うため、動作部材73をハンドル71から離れるように
スライドさせると、動作部材73が必要以上にスライド
して動作部材73が移動体74から外れることがあっ
た。したがって、この発明の目的は、動作部材と移動体
との組立を向上し、駆動力の伝達ロスを低減できる回路
遮断器の電動操作装置を提供することである。Further, in order to check the manual operation of the handle 71 with the cover of the drive unit 75 opened during the assembly inspection, when the operating member 73 is slid away from the handle 71, the operating member 73 becomes unnecessary. In some cases, the operating member 73 slides off the moving body 74. Therefore, an object of the present invention is to provide an electric operating device for a circuit breaker, which can improve the assembly of the operating member and the moving body and reduce the transmission loss of the driving force.
【0006】[0006]
【課題を解決するための手段】この発明の回路遮断器の
電動操作装置は、回路遮断器のハンドルに係脱自在に係
合する切欠状の操作凹部を先端に有するとともに後端の
下面に凸部を有し前記ハンドルの操作方向に向いた前記
凸部の両面の付け根側に係脱方向に延びたスライド溝を
有する動作部材と、この動作部材の前記係脱方向に摺動
自在に前記凸部を収納する収納凹部を有する移動体と、
この移動体に取付けられて前記スライド溝に摺動自在に
係止する係止部を有する押さえ体と、前記移動体を前記
ハンドルの動作方向に往復移動可能に支持するとともに
遠隔信号により前記ハンドルが動作するように前記移動
体を移動させる駆動装置とを備えたものである。SUMMARY OF THE INVENTION An electric operating device for a circuit breaker according to the present invention has a notch-shaped operation concave portion which engages with a handle of the circuit breaker in a detachable manner, and has a convex lower surface at a rear end. An operating member having a slide groove extending in the engagement / disengagement direction on the base side of both sides of the protrusion that has a portion facing the operating direction of the handle, and the protrusion that is slidable in the engagement / disengagement direction of the operation member. A moving body having a storage recess for storing a portion;
A pressing body that is attached to the moving body and has a locking portion that slidably locks in the slide groove; And a drive device for moving the moving body so as to operate.
【0007】[0007]
【作用】この発明の構成によれば、動作部材を係脱方向
に移動体に対して摺動して操作凹部をハンドルから外す
とハンドルを直接手動で操作できる。また操作凹部をハ
ンドルに係合すると駆動装置により遠隔信号でハンドル
を操作できる。この場合、動作部材の組立において、動
作部材の凸部を収納凹部に上から挿入し、押さえ体をス
ライド溝に係合するように移動体に取付けることにより
組立ることができるので、従来の動作部材を長手方向に
摺動して組立てるのと比較して組立が容易になる。また
押さえ体をスライド溝にがたつきなく係合できるので動
作部材のハンドルの上方への移動を規制でき駆動力の伝
達ロスを低減できる。さらに押さえ体はスライド溝を移
動できるのでハンドルから動作部材を容易に係脱できハ
ンドルの手動操作のチエックが容易にできるとともに、
スライド範囲のみスライド溝を形成すると、動作部材の
スライド範囲を規制できるので動作部材の外れを防止す
ることができる。According to the structure of the present invention, the handle can be directly manually operated by sliding the operating member in the engaging / disengaging direction with respect to the moving body and removing the operating recess from the handle. Further, when the operation recess is engaged with the handle, the drive device can operate the handle by a remote signal. In this case, when assembling the operation member, the operation member can be assembled by inserting the convex portion of the operation member into the accommodating concave portion from above and attaching the pressing body to the moving body so as to engage with the slide groove. Assembling becomes easier as compared with assembling the members by sliding them in the longitudinal direction. Further, since the pressing body can be engaged with the slide groove without rattling, the upward movement of the handle of the operating member can be restricted and the transmission loss of the driving force can be reduced. Further, since the pressing body can move in the slide groove, the operating member can be easily engaged and disengaged from the handle, and the check of the manual operation of the handle can be facilitated.
If the slide groove is formed only in the sliding range, the sliding range of the operating member can be regulated, so that the operating member can be prevented from coming off.
【0008】[0008]
【実施例】この発明の一実施例を図1ないし図6により
説明する。すなわち、この回路遮断器の電動操作装置
は、動作部材1と、移動体2と、押さえ体3と、駆動装
置4とを有する。動作部材1は、図6にも示すように、
回路遮断器5のハンドル6に係脱自在に係合する切欠状
の操作凹部7を先端に有するとともに、後端の下面に凸
部8を有し、ハンドル6の操作方向に向いた凸部8の両
面の付け根側に係脱方向に延びたスライド溝9を有す
る。実施例では断面長方形状の角棒を用いている。また
スライド溝9を形成する凹み30の端部は押さえ体3の
位置決め部31となる。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described with reference to FIGS. That is, the electric operating device of the circuit breaker includes the operating member 1, the moving body 2, the pressing body 3, and the driving device 4. The operating member 1 is, as shown in FIG.
The circuit breaker 5 has a notch-shaped operation concave portion 7 engageably and disengageably engaged with the handle 6 at the front end, and a convex portion 8 on the lower surface of the rear end, and the convex portion 8 faces the operating direction of the handle 6. The slide grooves 9 extending in the engagement / disengagement direction are provided on the root sides of both surfaces. In the embodiment, a rectangular bar having a rectangular cross section is used. The end of the recess 30 forming the slide groove 9 serves as the positioning portion 31 of the pressing body 3.
【0009】ここで、回路遮断器5は、図2に示すよう
に、3極型であり、ハンドル6の操作方向の両端に端子
13を有し、機構部(図示せず)はハンドル6の操作に
より接点部(図示せず)をオンまたはオフにできるとと
もに、オン時に異常電流検出手段(図示せず)の動作に
応動してトリップし、さらにトリップ後にハンドル6を
オフ位置よりオンと反対側にさらに移動することにより
リセットできる公知のものを収納している。As shown in FIG. 2, the circuit breaker 5 is a three-pole type, has terminals 13 at both ends of the handle 6 in the operating direction, and a mechanism portion (not shown) is provided on the handle 6. The contact part (not shown) can be turned on or off by operation, and when turned on, trips in response to the operation of the abnormal current detection means (not shown), and after the trip, the handle 6 is on the opposite side to the on position from the off position. It contains a known item that can be reset by moving it further.
【0010】移動体2は、動作部材1の係脱方向に摺動
自在に凸部8を収納する収納凹部10を有する。実施例
は四角体であってその上面にコ字形の突条11を形成す
ることにより収納凹部10を形成している。12は押さ
え板固定用のねじ孔、33は移動体2を往復移動するた
めの案内孔である。押さえ体3は、移動体2に取付けら
れてスライド溝9に摺動自在に係止する係止部32を有
する。実施例ではアングルを用いており、その一片にね
じ孔に整合する取付孔13を形成し、皿ねじ14で移動
体2に固定し、他片の縁部をスライド溝9に係合する係
止部32としており、係止部32はハンドル6の操作方
向から係合している。The moving body 2 has a housing recess 10 for housing the projection 8 slidably in the engagement / disengagement direction of the operating member 1. In the embodiment, the accommodating recess 10 is formed by forming a U-shaped protrusion 11 on the upper surface of a quadrangular body. Reference numeral 12 is a screw hole for fixing the pressing plate, and 33 is a guide hole for reciprocating the moving body 2. The pressing body 3 has a locking portion 32 that is mounted on the moving body 2 and slidably locked in the slide groove 9. In the embodiment, an angle is used, one piece of which has a mounting hole 13 aligned with a screw hole, which is fixed to the moving body 2 with a countersunk screw 14, and the edge of the other piece is engaged with the slide groove 9 to be engaged. The engaging portion 32 is engaged with the handle 6 in the operating direction.
【0011】この結果、動作部材1は係脱方向にのみス
ライド溝9に沿って移動でき、ハンドル6の操作方向は
移動体2により規制され、ハンドル6の上下方向は押さ
え体3により規制されてほとんどがたつきのないスライ
ドが可能となる。したがって、ハンドル6を動かすとき
動作部材1の操作凹部7がハンドル6のある点を押しな
から移動するが、押さえ体3によりがたつきが規制され
ているため動作部材1はハンドル6の上下方向にずれず
に移動する。また動作部材1を係脱方向のハンドル6か
ら離れる方向に移動したときスライド溝9の端部の位置
決め部31が押さえ体3に係止するので動作部材1が位
置決めされ抜止めされる。As a result, the operating member 1 can move along the slide groove 9 only in the engaging / disengaging direction, the operating direction of the handle 6 is restricted by the moving body 2, and the vertical direction of the handle 6 is restricted by the pressing body 3. Most of the slides are free of rattling. Therefore, when the handle 6 is moved, the operation concave portion 7 of the operating member 1 moves without pushing a certain point of the handle 6, but since the rattling is restricted by the pressing body 3, the operating member 1 moves in the vertical direction of the handle 6. Move without shifting to. Further, when the operating member 1 is moved in the direction away from the handle 6 in the engagement / disengagement direction, the positioning portion 31 at the end of the slide groove 9 is locked to the pressing body 3, so that the operating member 1 is positioned and retained.
【0012】駆動装置4は、移動体2をハンドル6の動
作方向に往復移動可能に支持するとともに遠隔信号によ
りハンドル6が動作するようにハンドル6が動作するよ
うに移動体2を移動させる。実施例では図2および図3
に示すように、ケース15が回路遮断器5の側部に設け
られ、遠隔信号によって回転するモータ16が底板17
に垂直に取付けられ、傘歯車18,19を介してねじ棒
20を駆動している。ねじ棒20は支持体21により支
持され、ねじ棒20の両側にねじ棒20に平行に一対の
スライド杆22が支持体21,23に架設されている。
前記した移動体2はねじ孔部24がねじ棒20に螺合さ
れ、スライド杆22が案内孔33に摺動自在に嵌合して
いる。したがって、遠隔信号によりモータ16を一方向
に回転させると、ねじ棒20が一方向に回転して移動体
2がスライド杆22の長手方向の一方に移動し、別の遠
隔信号によりモータ16を反対方向に回転させると同様
に移動体2が反対方向に移動し、その結果移動体2の動
作部材1の一方向の移動により動作部材1でハンドル6
をオン操作でき、他方向の移動によりオフ操作またはリ
セット操作することとなる。25はモータ16を停止さ
せるためのオン位置検出用スイッチ、26は同じくオフ
位置用検出スイッチ、27はリセット位置検出用スイッ
チである。36〜38はスイッチ押圧片であり、長孔3
9を介してねじ40により止められている。28は遠隔
信号入力端子、29はカバーである。The drive device 4 supports the moving body 2 so as to be able to reciprocate in the operating direction of the handle 6, and moves the moving body 2 so that the handle 6 operates in response to a remote signal. 2 and 3 in the embodiment.
As shown in FIG. 5, a case 15 is provided on a side portion of the circuit breaker 5, and a motor 16 that is rotated by a remote signal is provided with a bottom plate 17.
Is mounted vertically to drive a screw rod 20 via bevel gears 18, 19. The screw rod 20 is supported by a support body 21, and a pair of slide rods 22 are provided on the support bodies 21 and 23 on both sides of the screw rod 20 in parallel to the screw rod 20.
In the moving body 2 described above, the screw hole portion 24 is screwed into the screw rod 20, and the slide rod 22 is slidably fitted in the guide hole 33. Therefore, when the motor 16 is rotated in one direction by a remote signal, the screw rod 20 rotates in one direction and the moving body 2 moves in one of the longitudinal directions of the slide rod 22, and another remote signal causes the motor 16 to rotate. Similarly, when the movable body 2 is moved in the opposite direction when the movable body 2 is rotated in one direction, as a result, the movement of the movable body 2 in one direction causes the handle 6 to move with the operating member 1.
Can be turned on, and by moving in the other direction, it can be turned off or reset. Reference numeral 25 is an ON position detecting switch for stopping the motor 16, 26 is an OFF position detecting switch, and 27 is a reset position detecting switch. 36 to 38 are switch pressing pieces, which are long holes 3
It is fastened by screws 40 via 9. 28 is a remote signal input terminal, and 29 is a cover.
【0013】この実施例によれば、動作部材1を係脱方
向に移動体2に対して摺動して操作凹部7をハンドル6
から外すとハンドル6を直接手動で操作できる。また操
作凹部7をハンドル6に係合すると駆動装置4により遠
隔信号でハンドル6を操作できる。この場合、動作部材
1の組立において、動作部材1の凸部8を収納凹部10
に上から挿入し、押さえ体3をスライド溝9に係合する
ように移動体2に取付けることにより組立ることができ
るので、従来の動作部材を長手方向に摺動して組立てる
のと比較して組立が容易になる。また押さえ体3をスラ
イド溝9にがたつきなく係合できるので動作部材1のハ
ンドル6の上方への移動を規制でき駆動力の伝達ロスを
低減できる。さらに押さえ体3はスライド溝9を移動で
きるのでハンドル6から動作部材1を容易に係脱できハ
ンドル6の手動操作のチエックが容易にでき、たとえば
カバー29をケース15取付ける前の組立途中の段階で
動作部材1をスライドさせて手動操作チエックができ
る。また、動作部材1のスライド範囲のみスライド溝9
を形成すると、動作部材1のスライド範囲を規制できる
ので動作部材1の外れを防止することができる。According to this embodiment, the operating member 1 is slid in the engaging / disengaging direction with respect to the moving body 2 so that the operating concave portion 7 is moved to the handle 6
The handle 6 can be manually operated directly by removing the handle. When the operation recess 7 is engaged with the handle 6, the drive device 4 can operate the handle 6 by a remote signal. In this case, when assembling the operating member 1, the convex portion 8 of the operating member 1 is inserted into the accommodating concave portion 10.
Since it can be assembled by inserting it from above into the moving body 2 so that the pressing body 3 is engaged with the slide groove 9, it is possible to compare the conventional operating member by sliding in the longitudinal direction. And easy to assemble. Further, since the pressing body 3 can be engaged with the slide groove 9 without rattling, the upward movement of the handle 6 of the operating member 1 can be restricted and the transmission loss of the driving force can be reduced. Further, since the pressing body 3 can move in the slide groove 9, the operation member 1 can be easily engaged with and disengaged from the handle 6, and the check of the manual operation of the handle 6 can be facilitated. For example, at a stage during assembly before attaching the cover 29 to the case 15. The operation member 1 can be slid to perform a manual operation check. Further, only the sliding range of the operating member 1 is the slide groove 9
By forming, the sliding range of the operating member 1 can be regulated, so that the operating member 1 can be prevented from coming off.
【0014】[0014]
【発明の効果】この発明の回路遮断器の電動操作装置
は、動作部材の組立において、動作部材の凸部を収納凹
部に上から挿入し、押さえ体をスライド溝に係合するよ
うに移動体に取付けることにより組立ることができるの
で、従来の動作部材を長手方向に摺動して組立てるのと
比較して組立が容易になる。また押さえ体をスライド溝
にがたつきなく係合できるので動作部材のハンドルの上
方への移動を規制でき駆動力の伝達ロスを低減できる。
さらに押さえ体はスライド溝を移動できるのでハンドル
から動作部材を容易に係脱できハンドルの手動操作のチ
エックが容易にできるとともに、スライド範囲のみスラ
イド溝を形成すると、動作部材のスライド範囲を規制で
きるので動作部材の外れを防止することができるという
効果がある。According to the electric operating device for a circuit breaker of the present invention, when assembling the operating member, the convex portion of the operating member is inserted into the accommodating concave portion from above, and the pressing body is engaged with the slide groove. Since it can be assembled by mounting it on the base plate, it is easier to assemble than the conventional operating member is slid in the longitudinal direction. Further, since the pressing body can be engaged with the slide groove without rattling, the upward movement of the handle of the operating member can be restricted and the transmission loss of the driving force can be reduced.
Further, since the pressing body can move in the slide groove, the operating member can be easily engaged with and disengaged from the handle, and the check of the manual operation of the handle can be facilitated. There is an effect that the disengagement of the operating member can be prevented.
【図1】この発明の一実施例の部分分解斜視図である。FIG. 1 is a partially exploded perspective view of an embodiment of the present invention.
【図2】カバーを外した状態の部分断面平面図である。FIG. 2 is a partial cross-sectional plan view with a cover removed.
【図3】その駆動装置の縦断面図である。FIG. 3 is a vertical sectional view of the drive device.
【図4】動作部材と移動体の係合部分の断面図である。FIG. 4 is a cross-sectional view of an engaging portion between a moving member and a moving body.
【図5】動作部材と移動体の係合部分の側面図である。FIG. 5 is a side view of an engaging portion between an operating member and a moving body.
【図6】動作部材の裏面側からみた斜視図である。FIG. 6 is a perspective view of the operating member as viewed from the back side.
【図7】従来例のカバーを外した状態の平面図である。FIG. 7 is a plan view of a conventional example with a cover removed.
【図8】その駆動装置の縦断面図である。FIG. 8 is a vertical cross-sectional view of the drive device.
1 動作部材 2 移動体 3 押さえ体 4 駆動装置 5 回路遮断器 6 ハンドル 7 操作凹部 8 凸部 9 スライド溝 10 収納凹部 32 係止部 DESCRIPTION OF SYMBOLS 1 Working member 2 Moving body 3 Pressing body 4 Drive device 5 Circuit breaker 6 Handle 7 Operation recessed part 8 Convex part 9 Sliding groove 10 Storage recessed part 32 Locking part
Claims (1)
する切欠状の操作凹部を先端に有するとともに後端の下
面に凸部を有し前記ハンドルの操作方向に向いた前記凸
部の両面の付け根側に係脱方向に延びたスライド溝を有
する動作部材と、この動作部材の前記係脱方向に摺動自
在に前記凸部を収納する収納凹部を有する移動体と、こ
の移動体に取付けられて前記スライド溝に摺動自在に係
止する係止部を有する押さえ体と、前記移動体を前記ハ
ンドルの動作方向に往復移動可能に支持するとともに遠
隔信号により前記ハンドルが動作するように前記移動体
を移動させる駆動装置とを備えた回路遮断器の電動操作
装置。1. A protrusion having a notch-shaped operation concave portion which is detachably engaged with a handle of a circuit breaker at a front end and a convex portion on a lower surface of a rear end of the convex portion facing in an operation direction of the handle. An operating member having slide grooves extending in the engagement / disengagement direction on the root sides of both surfaces, a moving body having an accommodating concave portion for accommodating the convex portion slidably in the engaging / disengaging direction of the operating member, and the moving body. A pressing body having a locking portion that is mounted and slidably locked in the slide groove, and supports the moving body so as to be able to reciprocate in the movement direction of the handle and to operate the handle by a remote signal. An electric operating device for a circuit breaker, comprising: a drive device for moving the moving body.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP25295892A JPH06103881A (en) | 1992-09-22 | 1992-09-22 | Operation device with motor for circuit breaker |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP25295892A JPH06103881A (en) | 1992-09-22 | 1992-09-22 | Operation device with motor for circuit breaker |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH06103881A true JPH06103881A (en) | 1994-04-15 |
Family
ID=17244531
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP25295892A Pending JPH06103881A (en) | 1992-09-22 | 1992-09-22 | Operation device with motor for circuit breaker |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH06103881A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104465246A (en) * | 2014-12-25 | 2015-03-25 | 常熟开关制造有限公司(原常熟开关厂) | Driving mechanism for circuit breaker and circuit breaker |
CN108493060A (en) * | 2018-05-21 | 2018-09-04 | 常熟开关制造有限公司(原常熟开关厂) | A kind of operating mechanism of switch |
-
1992
- 1992-09-22 JP JP25295892A patent/JPH06103881A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104465246A (en) * | 2014-12-25 | 2015-03-25 | 常熟开关制造有限公司(原常熟开关厂) | Driving mechanism for circuit breaker and circuit breaker |
CN108493060A (en) * | 2018-05-21 | 2018-09-04 | 常熟开关制造有限公司(原常熟开关厂) | A kind of operating mechanism of switch |
CN108493060B (en) * | 2018-05-21 | 2023-09-22 | 常熟开关制造有限公司(原常熟开关厂) | Operating mechanism of switch |
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