CN202678240U - Electromagnetic tripping base frame assembly for low-voltage circuit breaker - Google Patents
Electromagnetic tripping base frame assembly for low-voltage circuit breaker Download PDFInfo
- Publication number
- CN202678240U CN202678240U CN2012203433434U CN201220343343U CN202678240U CN 202678240 U CN202678240 U CN 202678240U CN 2012203433434 U CN2012203433434 U CN 2012203433434U CN 201220343343 U CN201220343343 U CN 201220343343U CN 202678240 U CN202678240 U CN 202678240U
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- CN
- China
- Prior art keywords
- hooking
- support
- circuit breaker
- armature
- side walls
- 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 - Fee Related
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/12—Automatic release mechanisms with or without manual release
- H01H71/24—Electromagnetic mechanisms
- H01H71/2472—Electromagnetic mechanisms with rotatable armatures
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/74—Means for adjusting the conditions under which the device will function to provide protection
- H01H71/7463—Adjusting only the electromagnetic mechanism
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Breakers (AREA)
Abstract
The utility model discloses an electromagnetic tripping base frame assembly for a low-voltage circuit breaker, comprising a bracket, a pin shaft arranged on the bracket, a torsion spring sheathed on the pin shaft and used for providing reset elasticity for an external armature, and a hooking adjustment part arranged in a stationary way relative to side walls of the bracket, wherein the bracket comprises two side walls and a connection wall connecting the two side walls and each side wall is provided with a pivoting groove; both side walls of the bracket are respectively provided with a shaft hole and the pin shaft passes through the shaft holes; the hooking adjustment part is provided with a sleeve hole, a positioning boss and a plurality of hooking grooves, and the side walls are respectively provided with a positioning hole matching with the positioning boss; the hooking adjustment part is sheathed on the pin shaft through the sleeve hole thereof and the positioning boss is embedded in the positioning holes; and one end of the torsion spring is hooked on the external armature and the other end is hooked in a corresponding hooking groove on the hooking adjustment part. The electromagnetic tripping base frame assembly for the low-voltage circuit breaker has the advantages of compact structure and more stable and reliable tripping performance.
Description
Technical field
The utility model belongs to breaker technical field, is specifically related to a kind of electromagnetic trip foundation assemblies for low-voltage circuit breaker.
Background technology
Circuit breaker is to use extremely wide product as the overload in low-voltage distribution system and the motor protection loop, short circuit, under voltage protection electrical equipment.The structure of circuit breaker generally is comprised of contact system, arc-control device, operating mechanism, trip gear, plastic casing and optional accessory.Contact system comprises and is connected on the dynamic/static contact that arranges in pairs in the circuit, and circuit transships, during the fault such as short circuit, under voltage, opens at the appointed time dynamic/static contact when the circuit breaker place, line disconnection, and protection circuit and power-supply device are not damaged; The electric arc that arc-control device is used for extinguishing dynamic/static contact to be produced when opening; Trip gear comprises thermal release device, electromagnetic release mechanism, undervoltage tripping mechanism; When circuit was short-circuited, short circuit current flow through trip gear, and the action of magnetic tripping mechanism is threaded off operating mechanism, and circuit breaker trip is realized the protection to circuit breaker place circuit and load.
The magnetic tripping mechanism comprises armature, yoke, spring, support, existing armature is usually with the both sides bending, offer symmetrically through hole at two bending parts, the top is provided with upwardly extending brake bar, support both sides symmetry is offered through hole, the support both sides are simultaneously with armature two bending part envelopes, and the through hole on armature two bending parts is all corresponding with through hole on the support both sides, join armature is compatible with support by the through hole offered on the through hole offered on the support both sides and the armature bending part respectively thereby be convenient to bolster, so that armature can be bearing on the support rotatably around bolster.In the electromagnetic release mechanism of this structure, the armature both sides need bending, also need offer through hole on it, are not easy to the processes of armature; Because the through hole on the support both sides will correspondingly with the through hole on armature two bending parts pass to hold bolster, be unfavorable for saving part, both assemblings are loaded down with trivial details, time-consuming, the whole electromagnetic release mechanism of this structural requirement will be finished the assembling of armature and support before the pedestal of packing into simultaneously, otherwise can bring obstruction to the installation of other devices such as bimetallic element, operating mechanism etc.; When circuit is short-circuited, armature rotates, its brake bar hits the draw bar in the pneumatic operating mechanism, and armature position is corresponding with draw bar, namely, stipulated the position of electromagnetic release mechanism in whole circuit breaker, so the position of armature, shape, size can exert an influence to shape, size and the mounting means of circuit breaker miscellaneous part, thus, the volume of whole circuit breaker be will have influence on, the densification assembling of circuit breaker inner member and the miniaturization of circuit breaker itself are difficult to realize.
The utility model content
The purpose of this utility model provides the comparatively reliable and stable electromagnetic trip foundation assemblies that is used for low-voltage circuit breaker of a kind of compact conformation, Interruption.
The technical scheme that realizes the utility model purpose is: a kind of electromagnetic trip foundation assemblies for low-voltage circuit breaker, comprise support, and described support comprises two side and the connecting wall that is connected the two side, is equipped with a pivot groove on each sidewall; Its design feature is: also comprise one be arranged on the bearing pin on the support, the external armature that is used to that is set on this bearing pin provides the torsion spring and a hooking regulating part with the relative static setting of rack side wall of reseting elasticity; Respectively be provided with an axis hole on the described support two side, described bearing pin passes this two axis hole; : also be provided with a trepanning, location boss and an a plurality of hooking groove on the described hooking regulating part, described sidewall is provided with the location hole that matches with this positioning boss; Described hooking regulating part is set on the described bearing pin by its trepanning, and its positioning boss is embedded in the described location hole; One end of described torsion spring is used for being hooked on external armature, and the other end is hooked on this hooking regulating part in the corresponding hooking groove.
The utlity model has positive effect: (1) the utility model adopts torsion spring as the back-moving spring that reseting elasticity is provided for armature, and it is comparatively compact that this kind structure has structure, the advantage that Interruption is comparatively reliable and stable.
(2) the utility model is by arranging the hooking regulating part at bearing pin, thereby so that the elastic force of torsion spring is easy to regulate, can satisfies the different low-voltage circuit breakers that require of threading off and use, and has the wider advantage of applicability.
Description of drawings
Fig. 1 is a kind of perspective view of the present utility model;
A kind of perspective view of Fig. 2 when to be foundation assemblies shown in Figure 1 from another angle observe;
Fig. 3 is a kind of perspective view of foundation assemblies shown in Figure 1 after removing support;
Fig. 4 be adopt electromagnetic release mechanism that foundation assemblies shown in Figure 1 makes a kind of perspective view;
A kind of perspective view of Fig. 5 when to be electromagnetic release mechanism shown in Figure 4 from another angle observe;
Fig. 6 is a kind of perspective view of electromagnetic release mechanism shown in Figure 4 after removing support and yoke;
Fig. 7 is a kind of explosive view of electromagnetic release mechanism shown in Figure 6.
Mark shown in the accompanying drawing: support 1, sidewall 11, connecting wall 12, pivot groove 13, axis hole 14, location hole 15, hooking hole 16, convex shape breach 17, armature 2, actuation plate 21, pivot boss 22, release link 23, hooking breach 231, positive stop lug boss 24, yoke 3, back-moving spring 4, bearing pin 5, hooking regulating part 6, hooking groove 61, trepanning 62, positioning boss 63.
Embodiment
(embodiment 1)
Fig. 1 to Fig. 3 has shown a kind of embodiment of the present utility model, and wherein Fig. 1 is a kind of perspective view of the present utility model; A kind of perspective view of Fig. 2 when to be foundation assemblies shown in Figure 1 from another angle observe; Fig. 3 is a kind of perspective view of foundation assemblies shown in Figure 1 after removing support.
Present embodiment is a kind of foundation assemblies for electromagnetic release mechanism, see shown in Fig. 1 to 3, comprise that a support 1, one are arranged on the bearing pin 5 on the support 1, the external armature that is used to that is set on this bearing pin 5 provides the torsion spring 4 and a hooking regulating part 6 with the 11 relative static settings of support 1 sidewall of reseting elasticity; Described support comprises two side 11 and the connecting wall 12 that is connected two side 11, is equipped with a pivot groove 13 on each sidewall 11; Described support respectively is provided with an axis hole 14 on 1 two side 11, and described bearing pin 5 passes this two axis hole 14; : also be provided with a trepanning 62, location boss 63 and an a plurality of hooking groove 61 on the described hooking regulating part 6, described sidewall 11 is provided with the location hole 15 that matches with this positioning boss 63; Described hooking regulating part 6 is set on the described bearing pin 5 by its trepanning 62, and its positioning boss 63 is embedded in the described location hole 15; One end of described torsion spring 4 is used for being hooked on external armature, and the other end is hooked on this hooking regulating part 6 in the corresponding hooking groove 61.
Present embodiment has positive effect:
(1) present embodiment adopts torsion spring as the back-moving spring that reseting elasticity is provided for armature, and it is comparatively compact that this kind structure has structure, the advantage that Interruption is comparatively reliable and stable.
(2) present embodiment is by arranging the hooking regulating part at bearing pin, thereby so that the elastic force of torsion spring is easy to regulate, can satisfies the different low-voltage circuit breakers that require of threading off and use, and has the wider advantage of applicability.
(application examples 1)
Fig. 4 to Fig. 7 has shown a kind of concrete application mode of the present utility model, wherein Fig. 4 be adopt electromagnetic release mechanism that foundation assemblies shown in Figure 1 makes a kind of perspective view; A kind of perspective view of Fig. 5 when to be electromagnetic release mechanism shown in Figure 4 from another angle observe; Fig. 6 is a kind of perspective view of electromagnetic release mechanism shown in Figure 4 after removing support and yoke; Fig. 7 is a kind of explosive view of electromagnetic release mechanism shown in Figure 6.
Present embodiment is to use a kind of electromagnetic release mechanism for low-pressure plastic shell circuit breaker that above-described embodiment 1 is made, see Fig. 4 to shown in Figure 7, comprise support 1, rotate the armature 2 that is arranged on the described support 1, place yoke 3 between support 1 and the armature 2, be used to armature 2 provide reseting elasticity back-moving spring 4, be arranged on the hooking regulating part 6 of bearing pin 5 on the support 1 and and the 11 relative static settings of support 1 sidewall; Described support 1 comprises two side 11 and the connecting wall 12 that is connected two side 11, is equipped with a pivot groove 13 on each sidewall 11; Described armature 2 comprises actuation plate 21, outstanding two pivot boss 22 and be positioned at the release link 23 at actuation plate 21 tops from edge, actuation plate 21 left and right sides; Each pivot boss 22 of described armature 2 is arranged in the corresponding pivot groove 13 on support 1 sidewall 11;
Described support respectively is provided with an axis hole 14 on 1 two side 11, and described bearing pin 5 passes this two axis hole 14.
Described hooking regulating part 6 is provided with a trepanning 62, location boss 63 and an a plurality of hooking groove 61, and described sidewall 11 is provided with the location hole 15 that matches with this positioning boss 63; Described hooking regulating part 6 is set on the described bearing pin 5 by its trepanning, and its positioning boss 63 is embedded in the described location hole 15, thus so that hooking regulating part 6 and support 1 relative static setting.
One end of described torsion spring is hooked on armature 2 release links 23, and the other end is hooked on this hooking regulating part 6 in the corresponding hooking groove 61; By being hooked on the different hooking grooves 61, adjust the reseting elasticity of spring, thereby regulate the required electromagnetic force of threading off, also be so that this application example can be used in the low-voltage circuit breaker of multiple different Interruption requirements.
Should also be provided with a convex shape breach 17 at sidewall by use-case, also below pivot boss 22, be provided with positive stop lug boss 24 on the described armature 2, this positive stop lug boss 24 is arranged in described convex shape breach 17 and can moves back and forth at breach, so this convex shape breach 17 has the function of spacing armature 2 anglecs of rotation.
Should have positive effect by use-case: (1) should adopt torsion spring as the back-moving spring that reseting elasticity is provided for armature by use-case, and it is comparatively compact that this kind structure has structure, the advantage that Interruption is comparatively reliable and stable.
(2) should use-case by the hooking regulating part is set at bearing pin, thereby so that the elastic force of torsion spring is easy to regulate, can satisfies the different low-voltage circuit breakers that require of threading off and use, have the wider advantage of applicability.
Obviously, above-described embodiment of the present utility model only is for the utility model example clearly is described, and is not to be restriction to execution mode of the present utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give all execution modes exhaustive.And these belong to apparent variation or the change that connotation of the present utility model extends out and still belong to protection range of the present utility model.
Claims (1)
1. electromagnetic trip foundation assemblies that is used for low-voltage circuit breaker, comprise support (1), described support comprises two side (11) and the connecting wall that is connected two side (11) (12), is equipped with a pivot groove (13) on each sidewall (11); It is characterized in that:
Also comprise one be arranged on the bearing pin (5) on the support (1), the external armature that is used to that is set on this bearing pin (5) provides the torsion spring (4) and a hooking regulating part (6) with the relative static setting of support (1) sidewall (11) of reseting elasticity; Respectively be provided with an axis hole (14) on described support (1) two side (11), described bearing pin (5) passes this two axis hole (14); : also be provided with a trepanning (62), location boss (63) and an a plurality of hooking groove (61) on the described hooking regulating part (6), described sidewall (11) is provided with the location hole (15) that matches with this positioning boss (63); Described hooking regulating part (6) is set on the described bearing pin (5) by its trepanning (62), and its positioning boss (63) is embedded in the described location hole (15); One end of described torsion spring (4) is used for being hooked on external armature, and the other end is hooked in the upper corresponding hooking groove (61) of this hooking regulating part (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203433434U CN202678240U (en) | 2012-07-16 | 2012-07-16 | Electromagnetic tripping base frame assembly for low-voltage circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203433434U CN202678240U (en) | 2012-07-16 | 2012-07-16 | Electromagnetic tripping base frame assembly for low-voltage circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202678240U true CN202678240U (en) | 2013-01-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012203433434U Expired - Fee Related CN202678240U (en) | 2012-07-16 | 2012-07-16 | Electromagnetic tripping base frame assembly for low-voltage circuit breaker |
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| CN (1) | CN202678240U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104465249A (en) * | 2013-09-24 | 2015-03-25 | 上海电科电器科技有限公司 | Adjustable electromagnetic release |
| CN106158539A (en) * | 2015-04-28 | 2016-11-23 | 上海电科电器科技有限公司 | Electromagnetic protection device |
| CN106158538A (en) * | 2015-04-28 | 2016-11-23 | 上海电科电器科技有限公司 | The magnetic protection assembly of electromagnetic protection device |
| CN106653508A (en) * | 2017-01-19 | 2017-05-10 | 上海电器股份有限公司人民电器厂 | Electromagnetic short-circuit protection device of circuit breaker |
| CN107331586A (en) * | 2017-08-08 | 2017-11-07 | 罗格朗低压电器（无锡）有限公司 | Many gear dynamic iron core components and the magnetic tripping system for including many gear dynamic iron core components |
| EP3703097A4 (en) * | 2017-10-26 | 2020-11-04 | Shanghai Liangxin Electrical Co., Ltd | Clapper-type electromagnetic release for miniature circuit breaker |
-
2012
- 2012-07-16 CN CN2012203433434U patent/CN202678240U/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104465249A (en) * | 2013-09-24 | 2015-03-25 | 上海电科电器科技有限公司 | Adjustable electromagnetic release |
| CN104465249B (en) * | 2013-09-24 | 2016-08-10 | 上海电科电器科技有限公司 | Adjustable electric magnetic release |
| US10008354B2 (en) | 2013-09-24 | 2018-06-26 | Seari Electric Technology Co., Ltd. | Adjustable electromagnetic release |
| CN106158539A (en) * | 2015-04-28 | 2016-11-23 | 上海电科电器科技有限公司 | Electromagnetic protection device |
| CN106158538A (en) * | 2015-04-28 | 2016-11-23 | 上海电科电器科技有限公司 | The magnetic protection assembly of electromagnetic protection device |
| CN106158538B (en) * | 2015-04-28 | 2019-02-19 | 上海电科电器科技有限公司 | The magnetic of electromagnetic protection device protects component |
| CN106653508A (en) * | 2017-01-19 | 2017-05-10 | 上海电器股份有限公司人民电器厂 | Electromagnetic short-circuit protection device of circuit breaker |
| CN106653508B (en) * | 2017-01-19 | 2018-08-21 | 上海电器股份有限公司人民电器厂 | Electromagnetic short current protective device for breaker |
| CN107331586A (en) * | 2017-08-08 | 2017-11-07 | 罗格朗低压电器（无锡）有限公司 | Many gear dynamic iron core components and the magnetic tripping system for including many gear dynamic iron core components |
| CN107331586B (en) * | 2017-08-08 | 2021-03-19 | 罗格朗低压电器（无锡）有限公司 | Multi-gear moving iron core assembly and magnetic tripping system comprising same |
| EP3703097A4 (en) * | 2017-10-26 | 2020-11-04 | Shanghai Liangxin Electrical Co., Ltd | Clapper-type electromagnetic release for miniature circuit breaker |
| US11302503B2 (en) | 2017-10-26 | 2022-04-12 | Shanghai Liangxin Electrical Co., Ltd | Clapper-type electromagnetic release 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: CHUZHOU PINZHIDA ELECTRIC APPLIANCE TECHNOLOGY CO. Free format text: FORMER OWNER: LIU KAICHENG Effective date: 20140605 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 325600 WENZHOU, ZHEJIANG PROVINCE TO: 239000 CHUZHOU, ANHUI PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20140605 Address after: 239000 Anhui, Chuzhou, Garden Road, No. 12, building No. 555 Patentee after: Chuzhou Pinzhida Electric Appliance Technology Co., Ltd. Address before: 325600 No. twenty, No. 231, weft Road, Zhejiang, Yueqing Patentee before: Liu Kaicheng |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130116 Termination date: 20150716 |
|
| EXPY | Termination of patent right or utility model |