CN2407450Y - Actuating mechanism of small size circuit breaker - Google Patents
Actuating mechanism of small size circuit breaker Download PDFInfo
- Publication number
- CN2407450Y CN2407450Y CN 00216387 CN00216387U CN2407450Y CN 2407450 Y CN2407450 Y CN 2407450Y CN 00216387 CN00216387 CN 00216387 CN 00216387 U CN00216387 U CN 00216387U CN 2407450 Y CN2407450 Y CN 2407450Y
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- CN
- China
- Prior art keywords
- handle
- snap close
- fixed
- release lever
- housing
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- 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
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Abstract
The utility model relates to an actuating mechanism of a small circuit breaker, which comprises a shell provided with an electromagnetism trip device, a static contact connected with a coil of the trip device and fixed in the shell with the trip device, a movable contact, a handle, a driving connecting handle, a lock and a release lever. The handle and the lock connected with the driving connecting handle are separately hinged with the shell. The release lever and the movable contact are separately hinged with the lock. The utility model has the advantage of simple structure. A cam arranged on the lower end of the handle makes the closing finished instantly, which avoids generating big sparks and enhances safety.
Description
The utility model relates to a kind of operating mechanism of miniature circuit breaker.
Existing miniature circuit breaker part is numerous, complex structure, thereby the cost height, inconvenience is installed.Simultaneously the speed of its combined floodgate is subjected to the control of speed of the operation of handle, and closing speed is unreliable, when closing speed is slow, be easy to generate big spark, fail safe is not high, also has the moment tripping current of its electromagnetic trip device non-adjustable, can not adapt to different needs.
The purpose of this utility model is to overcome the above-mentioned defective of prior art, provides that a kind of simple in structure, closing speed is reliable, the operating mechanism of the adjustable miniature circuit breaker of moment tripping current.
The new bar of this practicality comprises housing, in housing, be provided with electromagnetic trip device, fixed contact, moving contact, handle and driving connected handle, fixed contact links to each other with the coil of tripgear and together is fixed in the housing with tripgear, moving contact is located on the position relative with fixed contact, be provided with opening in the housing upper end, handle passes opening and is hinged on the housing by Handle axis, handle spring is installed on the Handle axis in a spiral manner, the one end is fixed on the housing, the other end is fixed on the handle and makes handle deflection open position, one end and the handle of kinematic link are hinged, the other end is one " L " shape elbow, in housing, also be provided with snap close and release lever, snap close is hinged on the position that the closed side of housing inner handle is higher than tripgear by the snap close axle, latch spring is installed on the snap close axle in a spiral manner, the one end is fixed on the housing, the other end is fixed on the snap close and makes snap close deflection handle position, on snap close, be provided with the groove of circular arc, the elbow of kinematic link is trapped in the groove, be provided with a breach at groove above near an end of handle, release lever is hinged on a side of leaving handle on the snap close by the release lever axle, the upper end of release lever is near the arc groove of snap close, and be provided with a breach in the position corresponding with the breach of arc groove, the direction of breach is relative with the direction of the breach of arc groove, the lower end of release lever reaches tripgear and relative with the position of the push rod of tripgear, the release lever spring is installed on the release lever axle in a spiral manner, the one end is fixed on the snap close, and the other end is fixed on the release lever and makes the position of release lever upper end deflection snap close arc groove.Moving contact is hinged on the snap close by the moving contact axle, and moving contact spring is installed on the moving contact axle in a spiral manner, and the one end is fixed on the snap close, and the other end is fixed on the moving contact and makes the tip side of moving contact rely on the first side of stationary contact.
The utility model also is provided with the cam of arc surface below handle, the end that moving contact leaves the contact matches with the arc surface of cam.Also be provided with a push rod spring on housing, an end of push rod spring is fixed on the push rod, other end activity, and push rod spring pulls to push rod at an end that leaves release lever.
The utlity model has advantage of simple structure, simultaneously being provided with cam in the lower end of handle can finish combined floodgate in moment, avoid producing big spark, improved fail safe, can control the moment tripping current of electromagnetic trip device simultaneously by the movable end of regulating push rod spring, make it adjustable, to adapt to different needs.
Further illustrate particular content of the present utility model below in conjunction with drawings and Examples.
Fig. 1: the configuration diagram of present embodiment under off-state;
Fig. 2: the configuration diagram of present embodiment in closing course;
Fig. 3: the configuration diagram of present embodiment under closure state.
Present embodiment comprises housing 15, in housing 15, be provided with electromagnetic trip device, fixed contact 13, moving contact 12, handle 1 and kinematic link 3, fixed contact 13 links to each other with the coil of tripgear and together is fixed in the housing 15 with tripgear, moving contact 12 is located on the position relative with fixed contact 13, be provided with opening in housing 15 upper ends, handle 1 passes opening and is hinged on the housing 15 by Handle axis 21, handle spring 20 is installed on the Handle axis 21 in a spiral manner, the one end is fixed on the housing 15, the other end is fixed on the handle 1 and makes handle 1 deflection open position, one end and the handle 1 of kinematic link 3 are hinged, the other end is one " L " shape elbow, in housing 15, also be provided with snap close 5 and release lever 6, snap close 5 is hinged on the position that housing 15 inner handles 1 a closed side is higher than tripgear by snap close axle 4, latch spring 9 is installed on the snap close axle 4 in a spiral manner, the one end is fixed on the housing 15, the other end is fixed on the snap close 5 and makes snap close 5 deflection handles 1 position, on snap close 5, be provided with the groove of circular arc, the elbow of kinematic link 3 is trapped in the groove, be provided with a breach at groove above near an end of handle 1, release lever 6 is swept bar axle 7 and is hinged on a side of leaving handle 1 on the snap close 5 by taking off, the upper end of release lever 6 is near the arc groove of snap close 5, and be provided with a breach in the position corresponding with the breach of arc groove, the direction of breach is relative with the direction of the breach of arc groove, the lower end of release lever 6 reaches tripgear and relative with the position of the push rod 14 of tripgear, release lever spring 8 is installed on the release lever axle 7 in a spiral manner, the one end is fixed on the snap close 5, and the other end is fixed on the release lever 6 and makes the position of release lever 6 upper ends deflection snap close 5 arc grooves.Moving contact 12 is hinged on the snap close 5 by moving contact axle 18, and moving contact spring 19 is installed on the moving contact axle 18 in a spiral manner, and the one end is fixed on the snap close 5, and the other end is fixed on the moving contact 12 and makes the tip side of moving contact 12 rely on fixed contact 13 1 sides.Be provided with the cam 2 of arc surface below handle 1, cam 2 realizes by Handle axis 21 and handle 1 and can rotate by thorny arbor 21 limitedly that the end that moving contact 12 leaves the contact matches with the arc surface of cam 2 hinged.Also be provided with a push rod spring 17 on housing 15, an end of push rod spring 17 is fixed on the push rod 14, other end activity, and push rod spring 17 pulls to push rod 14 at an end that leaves release lever 6.
The operation situation of this circuit breaker operation mechanism is as follows:
Under off state (Fig. 1), handle is pressed on the position of opening circuit in the left side by handle spring, at this moment, the elbow end that connects the kinematic link of handle be trapped in the groove of snap close and the breach that just is arranged in groove and release lever on breach, release lever compresses the elbow of kinematic link under the effect of release lever spring, the elbow of kinematic link is locked in the breach and the breach on the release lever of groove, temporary transient realization is hinged with snap close, moving contact leaves fixed contact simultaneously, and the push rod of tripgear is pulled to the position of leaving release lever by push rod spring; During with the operating mechanism closure (Fig. 2), handle is pulled toward closed position, because the elbow of kinematic link is locked in the breach and the breach on the release lever of groove, handle rotates snap close by kinematic link, and the direction that drives the past fixed contact of moving contact moves, when moving to soon closed position, the upper end of moving contact contacts the restriction moving contact and is rotated further with cam on the handle, and the arc surface of cam still can make handle can continue to move with the upper end slide relative of moving contact, latch under the effect of handle and kinematic link and be rotated further this moment, and moving contact spring will be compressed like this; Continue to pull handle, when throw off the upper end of cam and moving contact, the energy of the moving contact spring of compression will be released, moving contact is shifted to fixed contact rapidly under the effect of moving contact spring, realize the closure of circuit breaker, handle is turned to closed extreme position (Fig. 3), the hinged dead point of this moment handle and kinematic link is crossed, and being not enough to overcome handle, handle spring the power on the handle of acting on crosses the dead point, so handle is fixed at this extreme position, under this state, moving contact is pressed on the fixed contact, and the lower end of release lever is near the push rod at tripgear.When overload or short circuit current, push rod on the tripgear will overcome the active force of push rod spring and shift to the lower end of release lever, the active force that overcomes the release lever spring simultaneously rotates counterclockwise release lever, the groove of snap close can be left in the upper end of release lever like this, the elbow that makes kinematic link is thrown off from the breach of the breach of snap close groove and release lever upper end, the hinged relationship of snap close and kinematic link is disengaged, latch in the position that is moved back under the effect of latch spring when disconnecting, moving contact also separates with fixed contact under the drive of snap close, at this moment, handle is under the effect of handle spring, push rod on the tripgear is moved back into the position when disconnecting under the effect of push rod spring.
In the present embodiment, the articulated structure of cam and handle is in order to prevent that circuit breaker from hindering moving of moving contact and setting from the Recovery Process cam that is closed into disconnection.Simultaneously, the power that push rod overcomes push rod spring can be regulated in the position of the movable end by regulating push rod spring in the present embodiment, thereby reaches the purpose of regulating the moment tripping current.
Claims (4)
1, a kind of operating mechanism of miniature circuit breaker, comprise housing, in housing, be provided with electromagnetic trip device, fixed contact, moving contact, handle and kinematic link, fixed contact links to each other with the coil of tripgear and together is fixed in the housing with tripgear, moving contact is located on the position relative with fixed contact, be provided with opening in the housing upper end, handle passes opening and is hinged on the housing by Handle axis, handle spring is installed on the Handle axis in a spiral manner, the one end is fixed on the housing, the other end is fixed on the handle and makes handle deflection open position, one end and the handle of kinematic link are hinged, the other end is one " L " shape elbow, it is characterized in that: in housing (15), also be provided with snap close (5) and release lever (6), snap close (5) is hinged on the position that the closed side of housing (15) inner handle (1) is higher than tripgear by snap close axle (4), latch spring (9) is installed on the snap close axle (4) in a spiral manner, the one end is fixed on the housing (15), the other end is fixed on snap close (5) and goes up and make snap close (5) deflection handle (1) position, on snap close (5), be provided with the groove of circular arc, the elbow of kinematic link (3) is trapped in the groove, be provided with a breach at groove near the top of an end of handle (1), release lever (6) is hinged on a side of leaving handle (1) on the snap close (5) by release lever axle (7), the upper end of release lever (6) is near the arc groove of snap close (5), and be provided with a breach in the position corresponding with the breach of arc groove, the direction of breach is relative with the direction of the breach of arc groove, the lower end of release lever (6) reaches tripgear and relative with the position of the push rod (14) of tripgear, release lever spring (8) is installed on the release lever axle (7) in a spiral manner, the one end is fixed on the snap close (5), and the other end is fixed on the position that release lever (6) upper end deflection snap close (5) arc groove was gone up and made to release lever (6).Moving contact (12) is hinged on the snap close (5) by moving contact axle (18), moving contact spring (19) is installed on the moving contact axle (18) in a spiral manner, the one end is fixed on the snap close (5), and the other end is fixed on the moving contact (12) and makes the tip side of moving contact (12) rely on fixed contact (13) one sides.
2, the operating mechanism of miniature circuit breaker according to claim 1 is characterized in that: be provided with the cam (2) of arc surface below handle 1, the end that moving contact (12) leaves the contact matches with the arc surface of cam (2).
3, the operating mechanism of miniature circuit breaker according to claim 2 is characterized in that: cam (2) is realized hinged by Handle axis (21) and handle (1) and can be rotated by thorny arbor (21) limitedly.
4, according to the operating mechanism of claim 1 or 2 or 3 described miniature circuit breakers, it is characterized in that: on housing (15), also be provided with a push rod spring (17), one end of push rod spring (17) is fixed on the push rod (14), other end activity, push rod spring (17) pull to push rod (14) at an end that leaves release lever (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00216387 CN2407450Y (en) | 2000-01-29 | 2000-01-29 | Actuating mechanism of small size circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00216387 CN2407450Y (en) | 2000-01-29 | 2000-01-29 | Actuating mechanism of small size circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2407450Y true CN2407450Y (en) | 2000-11-22 |
Family
ID=33582137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00216387 Expired - Lifetime CN2407450Y (en) | 2000-01-29 | 2000-01-29 | Actuating mechanism of small size circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2407450Y (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101042961B (en) * | 2006-03-21 | 2010-10-13 | 陈庆荣 | Electrical component with special contact tip structure |
| CN102074425A (en) * | 2011-02-11 | 2011-05-25 | 常熟开关制造有限公司(原常熟开关厂） | Miniature circuit breaker |
| CN102163521A (en) * | 2010-02-22 | 2011-08-24 | 三菱电机株式会社 | Circuit breaker |
| CN101568984B (en) * | 2007-09-27 | 2012-03-28 | 西门子公司 | Fault current protection device, switching mechanism and system |
| CN101540244B (en) * | 2008-03-21 | 2013-05-29 | 浙江加西亚电子电器有限公司 | Tripping device |
| CN103681139A (en) * | 2014-01-02 | 2014-03-26 | 浙江德隆电器有限公司 | Circuit breaker |
| CN104319203A (en) * | 2014-11-13 | 2015-01-28 | 杭州泰姆电气有限公司 | Breaker operation mechanism |
| CN106653511A (en) * | 2017-02-24 | 2017-05-10 | 德力西电气有限公司 | Novel operation control device for small circuit breaker |
| CN107112169A (en) * | 2015-01-09 | 2017-08-29 | 三菱电机株式会社 | Circuit-breaker |
-
2000
- 2000-01-29 CN CN 00216387 patent/CN2407450Y/en not_active Expired - Lifetime
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101042961B (en) * | 2006-03-21 | 2010-10-13 | 陈庆荣 | Electrical component with special contact tip structure |
| CN101568984B (en) * | 2007-09-27 | 2012-03-28 | 西门子公司 | Fault current protection device, switching mechanism and system |
| CN101540244B (en) * | 2008-03-21 | 2013-05-29 | 浙江加西亚电子电器有限公司 | Tripping device |
| CN102163521A (en) * | 2010-02-22 | 2011-08-24 | 三菱电机株式会社 | Circuit breaker |
| CN102163521B (en) * | 2010-02-22 | 2014-02-05 | 三菱电机株式会社 | Circuit breaker |
| CN102074425A (en) * | 2011-02-11 | 2011-05-25 | 常熟开关制造有限公司(原常熟开关厂） | Miniature circuit breaker |
| CN103681139A (en) * | 2014-01-02 | 2014-03-26 | 浙江德隆电器有限公司 | Circuit breaker |
| CN103681139B (en) * | 2014-01-02 | 2015-12-09 | 浙江德隆电器有限公司 | A kind of circuit breaker |
| CN104319203A (en) * | 2014-11-13 | 2015-01-28 | 杭州泰姆电气有限公司 | Breaker operation mechanism |
| WO2016074321A1 (en) * | 2014-11-13 | 2016-05-19 | 杭州泰姆电气有限公司 | Breaker operation mechanism |
| CN104319203B (en) * | 2014-11-13 | 2017-08-25 | 杭州泰姆电气有限公司 | Circuit breaker operation mechanism |
| CN107112169A (en) * | 2015-01-09 | 2017-08-29 | 三菱电机株式会社 | Circuit-breaker |
| CN107112169B (en) * | 2015-01-09 | 2019-03-29 | 三菱电机株式会社 | Circuit-breaker |
| CN106653511A (en) * | 2017-02-24 | 2017-05-10 | 德力西电气有限公司 | Novel operation control device for small circuit breaker |
| CN106653511B (en) * | 2017-02-24 | 2019-12-27 | 德力西电气有限公司 | Novel operation control device for miniature circuit breaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: DELIXI ELECTRIC LTD. Free format text: FORMER OWNER: DELIXI ELECTRIC APPLIANCES CO., LTD., ZHEJIANG PROV. Effective date: 20080411 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20080411 Address after: Yueqing City, Zhejiang province Liushi Delixi high tech Industrial Park, zip code: 325604 Patentee after: Delixi Electric Co., Ltd. Address before: Yueqing City, Zhejiang province Liushi Deli Xi Xiang Jin Yang building, zip code: 325604 Patentee before: Delixi Electrical Appliance Co., Ltd., Zhejiang |
|
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20001122 |