CN202120839U - Electromagnetic release mechanism - Google Patents
Electromagnetic release mechanism Download PDFInfo
- Publication number
- CN202120839U CN202120839U CN2011200895225U CN201120089522U CN202120839U CN 202120839 U CN202120839 U CN 202120839U CN 2011200895225 U CN2011200895225 U CN 2011200895225U CN 201120089522 U CN201120089522 U CN 201120089522U CN 202120839 U CN202120839 U CN 202120839U
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- armature
- boss
- spacing
- stopper slot
- gag lever
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Abstract
The utility model discloses an electromagnetic release mechanism, comprising a release support, an armature and return springs used for providing reset elastic force for the armature, wherein the release support comprises a fixed plate and two side plates formed by bending from two side ends of the fixed plate, two spacing holes are arranged on the fixed plate, the top of each side plate is provided with a pivoted groove, the top of the armature is provided with a release push rod and two spacing rods, each side end of the armature is provided with a pivoted boss, each pivoted boss is arranged in a corresponding pivoted groove, one end of each return spring is connected with one spacing rod of the armature, the other end of each return spring is connected with one spacing hole of the fixed plate, the middle of each side plate is provided with a spacing groove, a spacing boss is arranged below each pivoted boss at each side end of the armature, and the spacing boss moves in a reciprocating manner in the spacing groove along with the reciprocating rotation of the armature. Advantages of the electromagnetic release mechanism are that the structure is compact, and release motion is reliable.
Description
Technical field
The utility model belongs to breaker of plastic casing structure-design technique field, is specifically related to a kind of electromagnetic trip mechanism.
Background technology
Circuit breaker is to use extremely wide product as overload, short circuit, under voltage protection electrical equipment in low-voltage distribution system and the recessed road of motor protection.The structure of circuit breaker generally is made up 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 is provided with in pairs in the circuit, and circuit transships, during fault such as short circuit, under voltage, opens dynamic/static contact at the appointed time 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 to extinguish dynamic/static contact to be produced when opening; Trip gear comprises thermal release device, electromagnetic trip 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 through hole symmetrically at two bending parts, the top is provided with upwardly extending brake bar, and 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 all with the support both sides on through hole corresponding, join armature is compatible with support through 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, make armature to be bearing on the support rotatably around bolster.In the electromagnetic trip 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 practicing thrift part; Both assemblings are loaded down with trivial details, time-consuming; The whole electromagnetic trip of this structural requirement mechanism will accomplish 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 was short-circuited, armature rotated, and its brake bar hits the draw bar in the pneumatic operating mechanism; Armature position is corresponding with draw bar,, has stipulated the position of electromagnetic trip mechanism in whole circuit breaker that is; 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.
Summary of the invention
The purpose of the utility model provides a kind of structure comparatively compactness, the comparatively reliable electromagnetic trip mechanism of the action of threading off.
The technical scheme that realizes the utility model purpose is: a kind of electromagnetic trip mechanism comprises support, armature and is used to the back-moving spring that armature provides reseting elasticity; Two side plates that said dropout support comprises fixed head, forms from the bending of fixed head two side ends; Said fixed head is provided with two spacing holes; Said each side plate top is provided with a pivot groove; The top of said armature is provided with dropout push rod and two gag lever posts, and the two side ends of said armature respectively is provided with a pivot boss; Said each pivot boss is arranged in a corresponding pivot groove; One end of said each back-moving spring links on a gag lever post on the armature, and the other end links in a spacing hole of fixed head; Said each side plate middle part also is provided with a stopper slot, and said armature two side ends also respectively is provided with a positive stop lug boss below pivot boss, and said positive stop lug boss is along with the reciprocal rotation of armature reciprocatingly moves in said stopper slot.
In the such scheme, said positive stop lug boss can be against in the process that reciprocatingly moves on the limit wall of stopper slot away from bracket fixing plate one end.
In the such scheme, the top of said stopper slot is provided with and is used for the armature upper limit boss edge breach of direction insertion from the top down.
In the such scheme, said limiting position of armature bar is provided with a plurality of open-works, and the other end of said back-moving spring links in the open-work on gag lever post.
The utlity model has positive effect:
(1) in the utility model, a stopper slot is set, is positioned at pivot boss in the armature two side ends and a positive stop lug boss respectively is set below getting, make said positive stop lug boss along with the reciprocal rotation of armature reciprocatingly moves in said stopper slot at each side plate middle part.The turned position of armature when this structure can limit preferably and thread off is avoided, armature movement excessive because of electromagnetic force to make armature and dropout support impaired more greatly, thereby is had the action of threading off comparatively reliably, and effectively guarantees useful life.In addition, this kind structure so also have the advantage of compact conformation, is beneficial to the miniaturization of breaker of plastic casing owing between dropout support biside plate, can not impact miscellaneous part armature is spacing basically.
(2) in the utility model, the top of said stopper slot is provided with and is used for the armature upper limit boss edge breach of direction insertion from the top down; This kind structure makes armature directly to insert the positive stop lug boss of self two side ends in the stopper slot of side plate along direction from the top down, also inserts the pivot boss of self two side ends in the pivot groove of side plate simultaneously, and assembly operation is very convenient.
(3) in the utility model, said limiting position of armature bar is provided with a plurality of open-works, and the other end of said back-moving spring links in the open-work on gag lever post; When the other end of back-moving spring links in the open-work at diverse location place on the limiting position of armature bar, the reseting elasticities of different sizes will be provided for armature, thereby make the utility model can be suitable for the breaker of plastic casing of different model.
Description of drawings
Fig. 1 is a kind of perspective view of the utility model;
Fig. 2 is a kind of front view of electromagnetic trip shown in Figure 1 mechanism;
Fig. 3 is a kind of perspective view of dropout support in the electromagnetic trip shown in Figure 1 mechanism;
Fig. 4 is a kind of perspective view of armature in the electromagnetic trip shown in Figure 1 mechanism.
Reference numeral is: dropout support 2, fixed head 21, spacing hole 211, side plate 22, pivot groove 221, stopper slot 222; Limit wall 223, breach 224, armature 3, dropout push rod 31, gag lever post 32, open-work 321; Pivot boss 33, positive stop lug boss 34, back-moving spring 4, hot dropout plate 5, screw 51.
Embodiment
(embodiment 1)
Fig. 1 to Fig. 4 has shown a kind of embodiment of the utility model, and wherein Fig. 1 is a kind of perspective view of the utility model; Fig. 2 is a kind of front view of electromagnetic trip shown in Figure 1 mechanism; Fig. 3 is a kind of perspective view of dropout support in the electromagnetic trip shown in Figure 1 mechanism; Fig. 4 is a kind of perspective view of armature in the electromagnetic trip shown in Figure 1 mechanism.
The utility model is a kind of electromagnetic trip mechanism that is used for breaker of plastic casing, sees Fig. 1 to Fig. 4, comprises dropout support 2, armature 3, is used to back-moving spring 4 and hot dropout plate 5 that armature 3 provides reseting elasticity; Two side plates 22 that said dropout support 2 comprises fixed head 21, forms from fixed head 21 two side ends bendings; Said fixed head 21 is provided with two spacing holes 211; Said each side plate 22 top are provided with a pivot groove 221; The top of said armature 3 is provided with dropout push rod 31 and two gag lever posts 32, and the two side ends of said armature 3 respectively is provided with a pivot boss 33; Said each pivot boss 33 is arranged in a corresponding pivot groove 221; One end of said each back-moving spring 4 links on a gag lever post 32 on the armature 3, and the other end links in a spacing hole 211 of fixed head 21; It is characterized in that: said each side plate 22 middle part also are provided with a stopper slot 222; Said armature 3 two side ends also respectively are provided with a positive stop lug boss 34 below pivot boss 33, said positive stop lug boss 34 is along with the reciprocal rotation of armature 3 reciprocatingly moves in said stopper slot 222.
The top of said hot dropout plate 5 is provided with screw 51.
Said positive stop lug boss 34 can be against in the process that reciprocatingly moves on the limit wall 223 of stopper slot 222 away from bracket fixing plate 21 1 ends.
The top of said stopper slot 222 is provided with and is used for the armature 3 upper limit boss 34 edges breach 224 of direction insertion from the top down.
Said armature 3 gag lever posts 32 are provided with a plurality of open-works 321, and the other end of said back-moving spring 4 links in the open-work 321 on gag lever post 32.
Present embodiment has positive effect:
(1) in the present embodiment; At each side plate 22 middle part a stopper slot 222 is set; Armature 3 two side ends be positioned at pivot boss 33 below a positive stop lug boss 34 respectively is set, make said positive stop lug boss along with the reciprocal rotation of armature 3 reciprocatingly moves in said stopper slot 222.The turned position of armature when this structure can limit preferably and thread off is avoided, armature movement excessive because of electromagnetic force to make armature and dropout support impaired more greatly, thereby is had the action of threading off comparatively reliably, and effectively guarantees useful life.In addition, this kind structure so also have the advantage of compact conformation, is beneficial to the miniaturization of breaker of plastic casing owing between dropout support biside plate, can not impact miscellaneous part armature is spacing basically.
(2) in the present embodiment, the top of said stopper slot 222 is provided with and is used for the armature 3 upper limit boss 34 edges breach 224 of direction insertion from the top down; This kind structure makes armature directly to insert the positive stop lug boss of self two side ends in the stopper slot of side plate along direction from the top down, also inserts the pivot boss of self two side ends in the pivot groove of side plate simultaneously, and assembly operation is very convenient.
(3) in the present embodiment, said armature 3 gag lever posts 32 are provided with a plurality of open-works 321, and the other end of said back-moving spring 4 links in the open-work 321 on gag lever post 32; When the other end of back-moving spring links in the open-work at diverse location place on the limiting position of armature bar, the reseting elasticities of different sizes will be provided for armature, thereby make present embodiment can be suitable for the breaker of plastic casing of different model.
Obviously, the foregoing description of the utility model only be for explain clearly that the utility model does for example, and be not to be qualification to the execution mode of the utility model.For the those of ordinary skill in affiliated field, on the basis of above-mentioned explanation, can also make other multi-form variation or change.Here need not also can't give exhaustive to all execution modes.And conspicuous variation that these connotations that belong to the utility model are extended out or change still belong to the protection range of the utility model.
Claims (4)
1. an electromagnetic trip mechanism comprises dropout support (2), armature (3) and is used to the back-moving spring (4) that armature (3) provides reseting elasticity; Two side plates (22) that said dropout support (2) comprises fixed head (21), forms from fixed head (21) two side ends bending; Said fixed head (21) is provided with two spacing holes (211); Said each side plate (22) top is provided with a pivot groove (221); The top of said armature (3) is provided with dropout push rod (31) and two gag lever posts (32), and the two side ends of said armature (3) respectively is provided with a pivot boss (33); Said each pivot boss (33) is arranged in a corresponding pivot groove (221); One end of said each back-moving spring (4) links on the gag lever post (32) on the armature (3), and the other end links in a spacing hole (211) of fixed head (21); It is characterized in that: said each side plate (22) middle part also is provided with a stopper slot (222); Said armature (3) two side ends also respectively is provided with a positive stop lug boss (34) in pivot boss (33) below, and said positive stop lug boss (34) is along with the reciprocal rotation of armature (3) reciprocatingly moves in said stopper slot (222).
2. electromagnetic trip according to claim 1 mechanism, it is characterized in that: said positive stop lug boss (34) can be against in the process that reciprocatingly moves on the limit wall (223) of stopper slot (222) away from bracket fixing plate (21) one ends.
3. electromagnetic trip according to claim 1 mechanism is characterized in that: the top of said stopper slot (222) is provided with and is used for the breach (224) that armature (3) upper limit boss (34) inserts along direction from the top down.
4. electromagnetic trip according to claim 1 mechanism, it is characterized in that: said armature (3) gag lever post (32) is provided with a plurality of open-works (321), and the other end of said back-moving spring (4) links in the open-work (321) on gag lever post (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200895225U CN202120839U (en) | 2011-03-30 | 2011-03-30 | Electromagnetic release mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200895225U CN202120839U (en) | 2011-03-30 | 2011-03-30 | Electromagnetic release mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202120839U true CN202120839U (en) | 2012-01-18 |
Family
ID=45461881
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200895225U Expired - Fee Related CN202120839U (en) | 2011-03-30 | 2011-03-30 | Electromagnetic release mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202120839U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103247490A (en) * | 2012-02-13 | 2013-08-14 | 西门子公司 | Hinged armature bearing for magnetic tripping device |
-
2011
- 2011-03-30 CN CN2011200895225U patent/CN202120839U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103247490A (en) * | 2012-02-13 | 2013-08-14 | 西门子公司 | Hinged armature bearing for magnetic tripping device |
| CN103247490B (en) * | 2012-02-13 | 2016-12-28 | 西门子公司 | Rotating iron supporting device for magnetic release |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120118 Termination date: 20140330 |