CN101211699B - Key lock device for circuit breaker - Google Patents
Key lock device for circuit breaker Download PDFInfo
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- CN101211699B CN101211699B CN2007101600686A CN200710160068A CN101211699B CN 101211699 B CN101211699 B CN 101211699B CN 2007101600686 A CN2007101600686 A CN 2007101600686A CN 200710160068 A CN200710160068 A CN 200710160068A CN 101211699 B CN101211699 B CN 101211699B
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- Prior art keywords
- lock
- key
- circuit breaker
- construction element
- projection
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- 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
- H01H9/20—Interlocking, locking, or latching mechanisms
- H01H9/28—Interlocking, locking, or latching mechanisms for locking switch parts by a key or equivalent removable member
- H01H9/285—Locking mechanisms incorporated in the switch assembly and operable by a key or a special tool
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- Switch Cases, Indication, And Locking (AREA)
- Breakers (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
Disclosed is a key lock device for breaker, having a lock component for preventing a connecting rod from moving which is configured to move along a line, so as to improve reliability of locking state and reduce installation space. In addition, the key lock device is fixed on a panel which is fixed on the top of a switching mechanism, which improves working reliability comparing with the existing key lock device which is fixed on a lid covering the front of the breaker. Further, the key lock device is arranged with a plurality of locking bodies which work together to release the breaker from locking state, so as to improve reliability of locking state.
Description
The cross reference of related application
The theme that the disclosure relates to is included among the No.20-2006-0033042 of korean patent application formerly and NO.20-2006-0033043 that submitted on December 29th, 2006, at this it is incorporated into through the mode of reference in full.
Technical field
The present invention relates to be used for the key lock apparatus of circuit breaker, more specifically, the present invention relates to a kind of like this key lock apparatus that is used for circuit breaker, the reliability that it can reduce installing space and improve lock-out state.
Background technology
Usually, circuit breaker is mounted in the electric equipment in the distribution panelboard, and when the electric current in the circuit was normal current, it protected the circuit and the equipment of electrical system through the handover operation of executive circuit; When abnormal current occurring, like overload, short circuit, earth fault or analogue, it is through carrying out open-circuit operation, with the circuit and the equipment of protection electrical system.
As shown in Figure 1, the key lock apparatus 120 that is used for circuit breaker in the prior art is installed in and covers 111 places, and said lid 111 covers the switching mechanism 110 that is used for commutation circuit.Through compression close spring, and move movable contact through the elastic restoring force of using compressed closing spring subsequently, switching mechanism 110 commutation circuits wherein, cause the compression of closing spring through the revolving force of mechanical connection conversion rotating shaft.
The key lock apparatus 120 that is used for circuit breaker be a kind of be used for breaker mechanical be locked in the device of off-state; When the effect of circuit breaker through key lock apparatus 120 is in the lock state; Make the circuit breaker state that unlocks as long as hold the user of key, circuit breaker just can not be in closure state.
Shown in Fig. 2 to 4, the key lock apparatus 120 that is used for circuit breaker of the prior art comprises: lock body 122, and it is fixed to the lid 111 of switching mechanism 110 and is provided with key hole 121, and key inserts in the said key hole 121; Intermediate plate 123, it is used for lock body 122 is fixed on lid 111 places of switching mechanism 110; With lock construction element 124, it is connected to lock body 122, and rotates through the rotation of key.
Simultaneously; As shown in Figure 5, be used for circuit breaker is comprised from the structure that closure state cuts off: cut off lock bolt 131, it rotatably is installed in framework 114 places; Framework 114 supports switching mechanism 110 and transmits mechanical signal, is used for utilizing a plurality of connecting rods to cut off circuit breaker through rotation; With connecting rod 132, it is installed in cut-off push button 113 and cuts off between the lock bolt 131, cuts off lock bolt 131 to be moved through the operation according to cut-off push button 113 to rotate.
So in the prior art key lock apparatus that is used for circuit breaker 120, when the user pressed cut-off push button 113, cut-off push button 13 was around specific axle rotation, and then, through the rotation of cut-off push button 113, connecting rod 132 moves, and cuts off lock bolt 131 and correspondingly rotates.And the revolving force that cuts off lock bolt 131 is passed to and is connected in a plurality of connecting rods that cut off lock bolt 131, and correspondingly, circuit breaker returns to off-state.
And, when the user when key being inserted in the key hole 121 the back screw key, lock construction element 124 rotations, latching segment 127 contacts of lock construction element 124 subsequently are formed on the projection 133 at connecting rod 132 places, thereby prevent that connecting rod 132 from moving.
Therefore, cut off lock bolt 131 and keep its rotation status, make circuit breaker be cut off, correspondingly, circuit breaker can not be in closure state.
Yet such key lock apparatus that is used for circuit breaker 120 is attached to the lid 111 of switching mechanism 110 in the prior art.Therefore, when making owing to factors such as the lid that is formed by synthetic resin 111 deform between lock construction element 124 and the connecting rod 132 when producing the gap, the reliability of the circuit breaker that is in the lock state possibly reduce.
In addition, the key lock apparatus 120 that is used for circuit breaker of the prior art has such structure, wherein lock construction element 124 rotation, with the motion of limiting rod 132, therefore, need with the same big installing space of the radius of turn of lock construction element 124.
Summary of the invention
The present inventor recognizes the aforesaid shortcoming of prior art.Be based on the recognition, visualize feature.
Therefore, an object of the present invention is to provide a kind of key lock apparatus that is used for circuit breaker, the reliability that it can reduce installing space and improve the circuit breaker that is in the lock state.
The present invention is devoted to provide a kind of key lock apparatus that is used for circuit breaker, and it is installed on the panel of switching mechanism of circuit breaker.
Preferably, this key lock apparatus that is used for circuit breaker can comprise: lock body, and it is provided with key hole, and key inserts in the said key hole; Lock construction element, it moves limiting rod through the rotation lower linear at key, and it is configured to removable so that circuit breaker can be in off-state; Hook, it is connected to lock body, rotates through the rotation of key; And spring, it flexibly supports lock construction element.
Preferably, hook can comprise: the coupling part, and it is connected to lock body; And projection, its side in the coupling part is protruded towards lock construction element, and lock construction element can comprise: main body; Contact portion, it is formed on a side of main body, and contacts with projection, with collaborative work with it; Latch plate, it extends autonomous agent, with support spring; And latching segment, its downside towards main body extends, thereby moves limiting rod through being inserted in the spring and through the rotation of hook.
In addition, preferably, the key lock apparatus that is used for circuit breaker can comprise: a plurality of lock bodies, on said a plurality of lock bodies, be respectively equipped with key hole, and key inserts in the said key hole; A plurality of hooks, they are connected to a plurality of lock bodies respectively, rotate with the rotation through key; Lock construction element, it moves limiting rod through the rotation lower linear at key, and it is configured to removable so that circuit breaker can be in off-state; And spring, it flexibly supports lock construction element.
Preferably, a plurality of hooks can comprise: connector, and this connector is connected to lock body; And projection, it protrudes towards lock construction element in a side of connector respectively, and lock construction element can comprise: main body; A plurality of contact portions, they are formed on respectively on the direction of coming out from Subject Extension successively, and contact with the projection of a plurality of hooks, with collaborative work with it; Latch plate, it extends autonomous agent, with support spring; And latching segment, its downside towards latch plate extends, thereby moves limiting rod through being inserted in the spring and through the rotation of a plurality of hooks.
Read following detailed description of the present invention in conjunction with the drawings, above-mentioned and other purpose, characteristics, aspect and advantage of the present invention will become more obvious.
Description of drawings
Accompanying drawing shows embodiments of the invention, and with specification, is used to explain principle of the present invention, and wherein included accompanying drawing is used to the present invention further explanation is provided, and at this it is incorporated into, as the part of this specification.
In the accompanying drawings:
Perspective view shown in Figure 1 shows general circuit breaker;
Plane graph shown in Figure 2 shows the key lock apparatus among Fig. 1;
Rear perspective view shown in Figure 3 shows the key lock apparatus among Fig. 1;
Exploded perspective shown in Figure 4 illustrates the key lock apparatus among Fig. 1;
Plane graph shown in Figure 5 shows the structure of the key lock apparatus and the circuit breaker that are used for cutting off Fig. 1;
Perspective view shown in Figure 6 shows the key lock apparatus that is used for circuit breaker according to first embodiment of the invention;
Plane graph shown in Figure 7 shows the key lock apparatus among Fig. 6;
Rear perspective view shown in Figure 8 shows the key lock apparatus among Fig. 6;
Exploded perspective shown in Figure 9 illustrates the key lock apparatus among Fig. 6;
Rear perspective view shown in Figure 10 shows the stationary state of the key lock apparatus among Fig. 6;
Plane graph shown in Figure 11 shows the structure of the key lock apparatus and the circuit breaker that are used for cutting off Fig. 6;
Perspective view shown in Figure 12 shows the key lock apparatus that is used for circuit breaker according to second embodiment;
Perspective view shown in Figure 13 shows the key lock apparatus among Figure 12;
Exploded perspective shown in Figure 14 illustrates the key lock apparatus among Figure 12; With
Figure 15 to 18 shows the operation of the key lock apparatus that is used for circuit breaker among Figure 12.
Embodiment
Describe the first embodiment of the present invention below with reference to accompanying drawings in detail.
As shown in Figure 6; Can be installed in the upside of switching mechanism 210 according to the key lock apparatus that is used for circuit breaker 240 of first embodiment of the invention; Close push button 212 can be installed in cut-off push button 213 and cover 211 places, and said lid 211 covers the front side of switching mechanism 210, with closure/cut-off breaker.When the user pressed close push button 212, compressed closing spring can the tensioning through its elastic restoring force.And through the connection of a plurality of connecting rods, the elastic restoring force of closing spring can be passed to movable contact, and correspondingly, movable contact can move, and makes that circuit breaker can be closed.
In addition, when the user pressed cut-off push button 213, through the connection of a plurality of connecting rods, movable contact can return to its initial condition, made circuit breaker to be cut off.
As shown in Figs. 7-9, the key lock apparatus 240 that is used for circuit breaker can comprise: housing 250, and it is fixed on the panel 215, and said panel 215 is installed in the upside of switching mechanism 210, and housing 250 comprises front baffle 251 and afterframe 252; Lock body 260, it inserts in fixing hole 253, and said fixing hole 253 is formed on front baffle 251 places, and lock body 260 is provided with key hole 261, and key inserts in the said key hole 261; Intermediate plate 270, it is used for lock body 260 is fixed to front baffle 251; Hook 280, it is connected to lock body 260, rotates with the rotation through key; Lock construction element 290, it is connected to hook 280, with linear the moving through the rotation of hook 280; With spring 299, it flexibly supports lock construction element 290 at afterframe 252 places.
Simultaneously, can be fixed on panel 215 according to the key lock apparatus that is used for circuit breaker 240 of first embodiment, panel 215 is fixed to the top of switching mechanism 210, thereby improves its functional reliability.
Promptly; Shown in figure 10; Can be formed on the bottom of housing 250 to first projection 254 that extends below and second projection 255 that after extending below, has a curved shape, and second jack 219 that inserts first jack 218 of first projection 254 within it and insert second projection 255 within it can be formed on the panel 215.
Therefore, after first and second projections 254,255 of housing 250 were inserted in first and second jacks 218,219 of panel 215 respectively, housing 250 can be coupled to each other with panel 215.
Here, preferably, housing 250 can be coupled to each other through bolt with panel 215.Yet they also can be coupled to each other through methods such as riveted joint or welding.
Shown in figure 11; Be used for to comprise: cut off lock bolt 231 from the structure of the disconnected circuit breaker of closure state incision; It rotatably is installed in framework 214 places; Said framework 214 supports switching mechanism 210, and 231 rotations of said cut-out lock bolt, to be used to cut off the mechanical signal of circuit breaker through a plurality of connecting rod transmission; With connecting rod 232, it is installed in cut-off push button 213 and cuts off between the lock bolt 231, to cut off lock bolt 231 through moving according to the operation of cut-off push button 213 to rotate.
At such key lock apparatus that is used for circuit breaker 240, when the user pressed cut-off push button 213, cut-off push button 213 can rotate around specific axle, and connecting rod 232 can move through the rotation of cut-off push button 213.Correspondingly, cutting off lock bolt 231 can be through being promoted to rotate by connecting rod 232.And the revolving force that cuts off lock bolt 231 can be passed to a plurality of connecting rods that cut off lock bolt 231 that are connected to, and correspondingly, circuit breaker can return to off-state.
And the back is during screw key in the key hole 261 that key is inserted lock body 260 as the user, and hook 280 can rotate.Correspondingly, the projection 283 of hook 280 can with the contact portion 292 contacted states of lock construction element 290 under promote lock construction element 290.Correspondingly, lock construction element 290 can move down.Therefore, contact with the projection 233 that is located at connecting rod 232 places through the latching segment 293 that makes lock construction element 290, connecting rod 232 is restricted.
Therefore, cut off lock bolt 231 and can keep its rotation status, make circuit breaker be cut off, therefore, circuit breaker can not be closed by at random.
Simultaneously, in the process of the lock-out state that discharges circuit breaker, at first, when the user the key hole 261 that key is inserted lock body 260 in during the screw key of back, hook 280 can rotate, with its constrained state of releasing lock construction element 290.Here, through the elastic restoring force of spring 299, lock construction element 290 can move up.Correspondingly, the latching segment 2930 of lock construction element 290 can separate with connecting rod 232, thereby removes the restriction of connecting rod 232.
Correspondingly, connecting rod 232 can become and can move, thereby circuit breaker is removed from lock-out state.
Describe the key lock apparatus that is used for circuit breaker below with reference to accompanying drawings in detail according to second embodiment of the invention.
Shown in figure 12, can be installed in the upside of switching mechanism 310 according to the key lock apparatus that is used for circuit breaker 340 of second embodiment of the invention.Elastic restoring force through utilizing compressed closing spring moves movable contact, switching mechanism 310 commutation circuits, and wherein, the revolving force of changing rotating shaft through mechanical connection causes that closing spring is compressed.
In addition, when the user pressed cut-off push button 313, through the connection of a plurality of connecting rods, movable contact can return to its initial condition, made circuit breaker to be cut off.
Shown in Figure 13 to 14, the key lock apparatus 340 that is used for circuit breaker can comprise: support frame 350, support frame 350 are fixed on the panel 315, and panel 315 is installed in switching mechanism 310 upsides; First and second lock bodies 361,362, they are fixed to support frame 350, and are respectively equipped with the key hole 365 that inserts key; The first and second intermediate plate 370a, 370b, it is used for respectively first and second lock bodies 361,362 being fixed to scaffold 350; The first and second hook 380a, 380b, they are connected to first and second lock bodies 361,362 respectively, rotate with the rotation through key; Lock construction element 390, it is connected to the first and second hook 380a, 380b respectively, with linear the moving through the rotation of the first and second hook 380a, 380b; With spring 399, it flexibly is bearing in scaffold 350 places with lock construction element 390.
Here, preferably, the supporting part 354 and the panel 315 of scaffold 350 can be coupled to each other through bolt.Yet they also can be coupled to each other through methods such as riveted joint or welding.
The first and second intermediate plate 370a, 370b can comprise: supporting part 371a, 371b, and it is fixed to the standing part 353 of scaffold 350; With a pair of supporting leg 372a, 372b, they extend certain distance from supporting part 371a, 371b, and to be fixed to first and second lock bodies 361,362, wherein said distance is corresponding to the width of first and second lock bodies 361,362.
The first and second hook 380a, 380b can comprise: coupling part 382a, 382b, and it is provided with connecting hole 381, to connect first and second lock bodies 361,362; With projection 383a, 383b, the side of their 382a, 382b from the coupling part is towards lock construction element 390 protrusions.
Shown in figure 15; Be used for comprising: cut off lock bolt 331 from the structure of the disconnected circuit breaker of closure state incision; It rotatably is installed in framework 314 places; Framework 314 supporting switching mechanisms 310, and cut off lock bolt 331 rotations, to be used to cut off the mechanical signal of circuit breaker through a plurality of connecting rod transmission; With connecting rod 332, it is installed in cut-off push button 313 and cuts off between the lock bolt 331, with through according to the operation of cut-off push button 313 and linearity moves to rotate and cuts off lock bolt 331.
At this key lock apparatus 340 that is used for circuit breaker according to second embodiment of the invention, when the user pressed cut-off push button 313, cut-off push button 313 can rotate around specific axle, and connecting rod 332 can move through the rotation of cut-off push button 313.Correspondingly, cutting off lock bolt 331 can be through being promoted to rotate by connecting rod 332.And the revolving force that cuts off lock bolt 331 can be passed to a plurality of connecting rods that cut off lock bolt 331 that are connected to, and correspondingly, circuit breaker can return to off-state.
And the back is during screw key in the key hole 365 that key is inserted first and second lock bodies 361,362 as the user, and the first and second hook 380a, 380b can rotate.Therefore, with first and second contact portions, 392, the 393 contacted states of lock construction element 390 under, the projection 383b of the projection 383a of the first hook 380a and the second hook 380b can promote lock construction element 390.Therefore, lock construction element 390 can move down.
Correspondingly, the latching segment 394 of lock construction element 390 can contact with the projection 333 that is arranged on connecting rod 332 places, thereby prevents that connecting rod 332 from moving.
Therefore, cut off lock bolt 331 and can keep its rotation status, make circuit breaker be cut off, therefore, circuit breaker can not be closed by at random.
Simultaneously; In the process of removing circuit breaker locking state; Shown in figure 16; The back is during screw key in the key hole 365 that key is inserted second lock body 362 as the user, and through the rotation of the second hook 380b, the projection 383b of the second hook 380b can be spaced apart with second contact portion 393 of lock construction element 390.Yet the projection 383a of the first hook 380a contacts with first contact portion 392 of lock construction element 390, and therefore, lock construction element 390 can not be removed its constrained state.
Here, shown in figure 18, the back is during screw key in the key hole 365 that key is inserted first lock body 361 as the user, and through the rotation of the first hook 380a, the projection 383a of the first hook 380a can be spaced apart with first contact portion 392 of lock construction element 390.Therefore, through the elastic restoring force of spring 399, lock construction element 390 can be removed its constrained state and move up.Correspondingly, the latching segment 394 of lock construction element 390 can be spaced apart with the projection 333 of connecting rod 332, makes connecting rod 332 to lift restrictions.Therefore, connecting rod 332 can become and can move, thereby removes the lock-out state of circuit breaker.
Simultaneously; Shown in figure 17; Even the user is at the key hole that key is inserted first lock body 361 365 back screw keys; If second lock body 362 does not insert key insertion hole 365 and rotates, although first contact portion 392 of the projection 383a of the first hook 380a and lock construction element 390 is spaced apart so, the projection 383b of the second hook 380b possibly still contact with second contact portion 393 of lock construction element 390.Therefore, lock construction element 390 can not be removed its constrained state.
Here, shown in figure 18, the back is during screw key in the key hole 365 that key is inserted second lock body 362 as the user, and through the rotation of the second hook 380b, the projection 383b of the second hook 380b can be spaced apart with second contact portion 393 of lock construction element 390.Therefore, through the elastic restoring force of spring 399, lock construction element 390 can be removed its constrained state and move up.Therefore, the latching segment 394 of lock construction element 390 can be spaced apart with the projection 333 of connecting rod 332, and correspondingly, connecting rod 332 can lift restrictions.Then, connecting rod 332 can become and can move, thereby circuit breaker is removed from lock-out state.
Therefore, at the key lock apparatus 340 that is used for circuit breaker according to the present invention, circuit breaker becomes up to connecting rod 332 can move the state that just unlocks; Wherein through key being inserted first and second lock bodies 361,362 with rotation; Remove the restriction of lock construction element 390, connecting rod 332 becomes thus and can move, therefore; Compare with the existing circuit breaker with a lock body, the key lock apparatus 340 that is used for circuit breaker according to the present invention can improve the stability of lock-out state.
As stated,, be used to prevent that the lock construction element that connecting rod moves is configured to and can linearly moves, thereby can improve the reliability of lock-out state, reduce installing space simultaneously at the key lock apparatus that is used for circuit breaker according to the embodiment of the invention.
In addition, the key lock apparatus that is used for circuit breaker is installed in the panel that is fixed to switching mechanism top, therefore, compares to the key lock apparatus of lid with existing fixed, and it can improve the reliability of work, and lid wherein of the prior art covers the front side of circuit breaker.
In addition, the key lock apparatus that is used for circuit breaker is provided with a plurality of lock bodies, and these lock bodies are worked simultaneously, so that circuit breaker is removed from lock-out state, thereby can improve the reliability of lock-out state.
The foregoing description and advantage only are exemplary, can not be understood as that it is limitation of the present invention.Instruction of the present invention can easily be applied to the device of other types.This specification just is used for describing explanation, does not limit the scope of the application's claim.Multiple replacement, modification and variation will be conspicuous for a person skilled in the art.The characteristics of exemplary embodiment described herein, structure, method and further feature can make up in many ways, to obtain exemplary embodiment other and/or that substitute.
Because under the situation that does not deviate from characteristic of the present invention; Characteristics of the present invention can be implemented through some forms; Therefore, it is to be further understood that unless otherwise mentioned; The foregoing description does not receive the restriction of any details described above, but should in scope thereof, be understood widely.Therefore, all drop within the claim scope, or the variation within the equivalent of these scopes and revise is all contained by claim.
Claims (4)
1. key lock apparatus that is used for circuit breaker, it is fixed on the panel of switching mechanism of said circuit breaker, and said key lock apparatus comprises:
Lock body, it is provided with key hole, and key inserts in the said key hole;
Lock construction element, it moves limiting rod through the rotation lower linear at key, and it is configured to removable so that circuit breaker can be in off-state;
Hook, it is connected to lock body, rotates with the rotation through key; With
Spring, it flexibly supports said lock construction element;
Wherein said hook comprises coupling part and projection, and said coupling part is connected to said lock body, and said projection is protruded towards said lock construction element in a side of said coupling part.
2. key lock apparatus as claimed in claim 1, wherein said lock construction element comprises:
Main body;
Contact portion, it is formed on a side of said main body, and contacts with said projection, with collaborative work with it;
Latch plate, it is from said Subject Extension, to support said spring; With
Latching segment, it extends towards downside of said main body, with through being inserted in the said spring and under the effect of the rotation of said hook, moving and limit said connecting rod.
3. key lock apparatus that is used for circuit breaker, it is fixed on the panel of switching mechanism of said circuit breaker, and said key lock apparatus comprises:
A plurality of lock bodies are respectively equipped with key hole, and key inserts in the said key hole;
A plurality of hooks are connected to said a plurality of lock body respectively, rotate with the rotation through said key;
Lock construction element, it moves limiting rod through the rotation lower linear at key, and it is configured to removable so that circuit breaker can be in off-state; With
Spring, it flexibly supports said lock construction element;
Wherein said a plurality of hook comprises connector and projection, and said connector is connected to said lock body, and said projection is protruded towards said lock construction element in a side of said connector.
4. key lock apparatus as claimed in claim 3, wherein said lock construction element comprises:
Main body;
A plurality of contact portions are formed on successively on the direction of said Subject Extension, and contact with the said projection of said a plurality of hooks respectively, with collaborative work with it;
Latch plate, it is from said Subject Extension, to support said spring; With
Latching segment, it extends towards downside of said latch plate, to limit said connecting rod through being inserted in the spring and moving through the rotation of said a plurality of hooks.
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2020060033043 | 2006-12-29 | ||
| KR20-2006-0033042 | 2006-12-29 | ||
| KR2020060033043U KR200438186Y1 (en) | 2006-12-29 | 2006-12-29 | Breaker Key Lock Device |
| KR2020060033042 | 2006-12-29 | ||
| KR2020060033042U KR200440695Y1 (en) | 2006-12-29 | 2006-12-29 | Breaker Key Lock Device |
| KR20-2006-0033043 | 2006-12-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101211699A CN101211699A (en) | 2008-07-02 |
| CN101211699B true CN101211699B (en) | 2012-08-08 |
Family
ID=39268016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007101600686A Active CN101211699B (en) | 2006-12-29 | 2007-12-21 | Key lock device for circuit breaker |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP1944780B1 (en) |
| CN (1) | CN101211699B (en) |
| ES (1) | ES2541496T3 (en) |
| MY (1) | MY160154A (en) |
| RU (1) | RU2382432C2 (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101060786B1 (en) * | 2009-11-19 | 2011-08-30 | 엘에스산전 주식회사 | Lock of circuit breaker |
| US8748759B2 (en) | 2011-08-12 | 2014-06-10 | Panduit Corp. | Circuit breaker lockout |
| CN102856127B (en) * | 2012-08-23 | 2015-06-03 | 德力西电气有限公司 | Direct pressure type sub-gate lock |
| CN103700547B (en) * | 2013-12-27 | 2015-09-23 | 常熟开关制造有限公司(原常熟开关厂） | A kind of circuit breaker |
| DE102015110216A1 (en) * | 2015-06-25 | 2017-01-12 | Schneider Electric Industries Sas | locking device |
| CN107527760B (en) * | 2016-06-21 | 2020-11-20 | 浙江正泰电器股份有限公司 | Locking device of circuit breaker |
| CN107452530B (en) * | 2017-09-15 | 2020-09-25 | 无锡新宏泰电器科技股份有限公司 | Breaker opening locking device |
| ES2932051T3 (en) * | 2017-10-18 | 2023-01-09 | Euchner Gmbh Co Kg | Security switch |
| CN108447713B (en) * | 2018-05-18 | 2023-09-29 | 浙江临高电气实业有限公司 | Lock of mechanical interlocking device, mechanical interlocking device and power supply system |
| CN111029959A (en) * | 2018-10-09 | 2020-04-17 | Abb 瑞士股份有限公司 | Lock assembly for components of an electrical distribution system |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1522025A (en) * | 1976-07-30 | 1978-08-23 | Dorman Smith Switchgear Ltd | Electric circuit breakers |
| JPS62191047U (en) * | 1986-05-23 | 1987-12-04 | ||
| US20060042922A1 (en) * | 2004-08-25 | 2006-03-02 | Aber Thomas L | Trip component locking assembly and electrical switching apparatus employing the same |
-
2007
- 2007-10-24 ES ES07020822.8T patent/ES2541496T3/en active Active
- 2007-10-24 EP EP20070020822 patent/EP1944780B1/en active Active
- 2007-10-31 MY MYPI20071880A patent/MY160154A/en unknown
- 2007-12-21 CN CN2007101600686A patent/CN101211699B/en active Active
- 2007-12-28 RU RU2007149072/09A patent/RU2382432C2/en active
Also Published As
| Publication number | Publication date |
|---|---|
| RU2382432C2 (en) | 2010-02-20 |
| EP1944780B1 (en) | 2015-04-08 |
| ES2541496T3 (en) | 2015-07-21 |
| EP1944780A1 (en) | 2008-07-16 |
| MY160154A (en) | 2017-02-28 |
| CN101211699A (en) | 2008-07-02 |
| RU2007149072A (en) | 2009-07-10 |
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