CN202678258U - Electromagnetic tripping mechanism for low-voltage circuit breaker - Google Patents
Electromagnetic tripping mechanism for low-voltage circuit breaker Download PDFInfo
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- CN202678258U CN202678258U CN 201220343345 CN201220343345U CN202678258U CN 202678258 U CN202678258 U CN 202678258U CN 201220343345 CN201220343345 CN 201220343345 CN 201220343345 U CN201220343345 U CN 201220343345U CN 202678258 U CN202678258 U CN 202678258U
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- armature
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- hooked
- circuit breaker
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Abstract
The utility model discloses an electromagnetic tripping mechanism for a low-voltage circuit breaker, comprising a bracket, an armature rotatably arranged on the bracket, a magnetic yoke arranged between the bracket and the armature, a reset spring used for providing reset elasticity for the armature, and a pin shaft arranged on 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; the armature comprises an actuating plate, two pivoting bosses respectively protruding from edges of left and right sides of the actuating plate, and a reset rod located on the top of the actuating plate; the pivoting bosses of the armature are respectively located in a corresponding pivoting groove on the side walls of the bracket; and the reset spring is a torsion spring sheathed on the pin shaft, one end of the torsion spring is hooked on the armature and the other end is fixedly arranged relative to the bracket. The electromagnetic tripping mechanism 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 release mechanism 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 a kind of compact conformation, the more reliable and more stable electromagnetic release mechanism that is used for low-voltage circuit breaker of Interruption.
The technical scheme that realizes the utility model purpose is: a kind of electromagnetic release mechanism for low-voltage circuit breaker comprises support, rotates the armature that is arranged on the described support, places the yoke between support and the armature and be used to armature that the back-moving spring of reseting elasticity is provided; Described support comprises two side and the connecting wall that is connected the two side, is equipped with a pivot groove on each sidewall; Described armature comprises actuation plate, outstanding two pivot boss and be positioned at the release link at actuation plate top from edge, the actuation plate left and right sides; Each pivot boss of described armature is arranged in the corresponding pivot groove on the rack side wall; Its architectural feature is: also comprise a bearing pin that is arranged on the support; Described back-moving spring is a torsion spring that is set on this bearing pin, and an end of described torsion spring is hooked on the armature, and the other end is relative with support to be fixedly installed.
In the technique scheme, respectively be provided with an axis hole on the described support two side, described bearing pin passes this two axis hole.
In the technique scheme, an end of described torsion spring is hooked on the armature release link, and the other end is hooked on the support.
In the technique scheme, also comprise a hooking regulating part with the relative static setting of rack side wall; Described hooking regulating part is provided with a plurality of hooking grooves, and an end of described torsion spring is hooked on the armature release link, and the other end is hooked on this hooking regulating part in the corresponding hooking groove.
In the technique scheme, also be provided with a trepanning and a location boss 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.
In the technique scheme, described release link is provided with a plurality of hooking breach, and an end of described torsion spring is hooked on the release link in the corresponding hooking breach, and the other end is hooked on the support.
In the technique scheme, described support is provided with a plurality of hookings hole, and an end of described torsion spring is hooked on the release link, and the other end is hooked on the support in the corresponding hooking hole.
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 utility model the first structure;
A kind of perspective view when Fig. 2 is observing from another angle of electromagnetic release mechanism shown in Figure 1;
Fig. 3 is a kind of perspective view of electromagnetic release mechanism shown in Figure 1 after removing support and yoke;
Fig. 4 is a kind of explosive view of electromagnetic release mechanism shown in Figure 3;
Fig. 5 is a kind of perspective view of the utility model the second structure;
Fig. 6 is a kind of perspective view of the third structure of the utility model;
Fig. 7 is a kind of perspective view of the 4th kind of structure of the utility model.
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. 4 has shown a kind of embodiment of the present utility model, and wherein Fig. 1 is a kind of perspective view of the utility model the first structure; A kind of perspective view when Fig. 2 is observing from another angle of electromagnetic release mechanism shown in Figure 1; Fig. 3 is a kind of perspective view of electromagnetic release mechanism shown in Figure 1 after removing support and yoke; Fig. 4 is a kind of explosive view of electromagnetic release mechanism shown in Figure 3.
Present embodiment is a kind of electromagnetic release mechanism for low-pressure plastic shell circuit breaker, see Fig. 1 to shown in Figure 4, 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 present embodiment can be used in the low-voltage circuit breaker of multiple different Interruption requirements.
Present embodiment also is provided with a convex shape breach 17 at sidewall, 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.
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.
(embodiment 2)
Fig. 5 is a kind of perspective view of the utility model the second structure, has shown the second embodiment of the present utility model.
Present embodiment is substantially the same manner as Example 1, and difference is: described release link 23 is provided with a plurality of hooking breach 231, and an end of described torsion spring is hooked on the release link 23 in the corresponding hooking breach 231, and the other end is hooked on the support 1.
Present embodiment also can by regulate the hooking position of torsion spring, be adjusted the reseting elasticity of spring, and then be adjusted the required electromagnetic force of threading off.
(embodiment 3)
Fig. 6 is a kind of perspective view of the third structure of the utility model, has shown the third embodiment of the present utility model.
Present embodiment is substantially the same manner as Example 1, and difference is: present embodiment no longer arranges the hooking regulating part, but a hooking hole 16 directly is set on rack side wall 11, and the other end of described torsion spring directly is hooked in this hooking hole 16.
The present embodiment structure is comparatively simplified, owing to cancelled the hooking regulating part, so that assembly manipulation is comparatively simplified, cost also is minimized.
(embodiment 4)
Fig. 7 is a kind of perspective view of the 4th kind of structure of the utility model, has shown the 4th kind of embodiment of the present utility model.
Present embodiment is substantially the same manner as Example 3, difference is: present embodiment is provided with a plurality of hookings hole 16 at rack side wall 11, by the other end of torsion spring being hooked in the different hooking holes 16, adjusting the reseting elasticity of spring, and then adjust the required electromagnetic force of threading off.
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 (7)
1. electromagnetic release mechanism that is used for low-voltage circuit breaker comprises support (1), rotates the armature (2) that is arranged on the described support (1), places the yoke (3) between support (1) and the armature (2) and be used to armature (2) that the back-moving spring (4) of reseting elasticity is provided; Described support (1) 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); Described armature (2) comprises actuation plate (21), outstanding two pivot boss (22) and be positioned at the release link (23) at actuation plate (21) top from actuation plate (21) edge, the 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); It is characterized in that:
Also comprise a bearing pin (5) that is arranged on the support (1); Described back-moving spring is a torsion spring that is set on this bearing pin (5), and an end of described torsion spring is hooked on the armature (2), the other end and relative being fixedly installed of support (1).
2. the electromagnetic release mechanism for low-voltage circuit breaker according to claim 1, it is characterized in that: 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).
3. the electromagnetic release mechanism for low-voltage circuit breaker according to claim 2, it is characterized in that: an end of described torsion spring is hooked on armature (2) release link (23), and the other end is hooked on the support (1).
4. the electromagnetic release mechanism for low-voltage circuit breaker according to claim 2 is characterized in that: also comprise a hooking regulating part (6) with the relative static setting of support (1) sidewall (11); Described hooking regulating part (6) is provided with a plurality of hooking grooves (61), and an end of described torsion spring is hooked on armature (2) release link (23), and the other end is hooked in the upper corresponding hooking groove (61) of this hooking regulating part (6).
5. the electromagnetic release mechanism for low-voltage circuit breaker according to claim 4, it is characterized in that: also be provided with a trepanning (62) and a location boss (63) 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, and its positioning boss (63) is embedded in the described location hole (15).
6. the electromagnetic release mechanism for low-voltage circuit breaker according to claim 2, it is characterized in that: described release link (23) is provided with a plurality of hooking breach (231), one end of described torsion spring is hooked in the upper corresponding hooking breach (231) of release link (23), and the other end is hooked on the support (1).
7. the electromagnetic release mechanism for low-voltage circuit breaker according to claim 2, it is characterized in that: described support (1) is provided with a plurality of hookings hole (16), one end of described torsion spring is hooked on the release link (23), and the other end is hooked in the upper corresponding hooking hole (16) of support (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220343345 CN202678258U (en) | 2012-07-16 | 2012-07-16 | Electromagnetic tripping mechanism for low-voltage circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220343345 CN202678258U (en) | 2012-07-16 | 2012-07-16 | Electromagnetic tripping mechanism for low-voltage circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202678258U true CN202678258U (en) | 2013-01-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220343345 Expired - Fee Related CN202678258U (en) | 2012-07-16 | 2012-07-16 | Electromagnetic tripping mechanism for low-voltage circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202678258U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102779698A (en) * | 2012-07-16 | 2012-11-14 | 刘开成 | Electromagnetic trip mechanism for low-voltage circuit breaker |
| CN109243934A (en) * | 2018-10-01 | 2019-01-18 | 无锡新宏泰电器科技股份有限公司 | A kind of magnetictrip |
-
2012
- 2012-07-16 CN CN 201220343345 patent/CN202678258U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102779698A (en) * | 2012-07-16 | 2012-11-14 | 刘开成 | Electromagnetic trip mechanism for low-voltage circuit breaker |
| CN102779698B (en) * | 2012-07-16 | 2015-09-23 | 滁州品之达电器科技有限公司 | For the electromagnetic release mechanism of low-voltage circuit breaker |
| CN109243934A (en) * | 2018-10-01 | 2019-01-18 | 无锡新宏泰电器科技股份有限公司 | A kind of magnetictrip |
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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: 20140603 |
|
| 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: 20140603 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: 20140716 |
|
| EXPY | Termination of patent right or utility model |