CN102568946A - Slide type movable contactor assembly for balanced contact force - Google Patents
Slide type movable contactor assembly for balanced contact force Download PDFInfo
- Publication number
- CN102568946A CN102568946A CN2011102961090A CN201110296109A CN102568946A CN 102568946 A CN102568946 A CN 102568946A CN 2011102961090 A CN2011102961090 A CN 2011102961090A CN 201110296109 A CN201110296109 A CN 201110296109A CN 102568946 A CN102568946 A CN 102568946A
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- China
- Prior art keywords
- main body
- movable contactor
- leaf spring
- circuit breaker
- supports unit
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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.)
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Abstract
A slide type movable contact assembly for uniformizing a contact load is provided to prevent a gap between a movable contactor and a connector and smoothly rotate the movable contactor. A movable contactor (10) rotates around a rotation shaft (50). An arc slit is formed on the lower side of the movable contactor. A connection unit (20) is contacted with the movable contactor and provides a conductive path. A coupling unit (30) passes through a coupling hole of the connection unit and the slit of the movable contactor. A spring (40) maintains a contact state of the connection unit and the movable contactor.
Description
Technical field
This specification relates to a kind of movable contactor assembly that is used for circuit breaker, relate in particular to a kind of can smooth operation and can prevent the movable contactor assembly that is used for circuit breaker in excessive space.
Background technology
Usually, circuit breaker is a kind of being installed in the circuit so that protect the for example electric device of the distribution board system of building, factory, boats and ships.This circuit breaker can be through interrupting protecting down level system (lower system) or load like the abnormal current that overload, overcurrent and short circuit current etc. occur on the circuitry lines.
Fig. 1 is the stereogram according to the movable contactor assembly that is used for circuit breaker of prior art.
As shown in Figure 1; This movable contactor assembly that is used for circuit breaker has following structure: under the state of the both sides of movable contactor 10 by connector 20 supports; Rotating shaft 50 connects with movable contactor 10 and connector 20, and this movable contactor 10 slides in connector 20.
The two ends of this rotating shaft 50 are inserted in the contact spring 80.In this state, cam disc 70 connects with rotating shaft 50 so that to contact spring 80 pressurizations.When connector 20 pressurizes, strengthened the coupled situation between movable contactor 10 and the connector 20 at contact spring 80.
Yet there is following problem in the conventional movable contactor assembly that is used for circuit breaker.
At first, when connector 20 has thick thickness, can weaken by contact spring 80 putting on the intensity of force on the connector 20.Possibly cause the adhesive force between movable contactor 10 and the connector 20 to weaken like this.As a result, between movable contactor 10 and the connector 20 space possibly appear.
When the space between movable contactor 10 and the connector 20 was excessive, electric current can not be applied to the space between movable contactor 10 and the connector 20 reposefully.In addition, big space can make resistance between movable contactor 10 and the connector 20 increase and cause the heat of high temperature.Understand the mandatory degradation of acceleration components like this.
On the contrary, when connector 20 had thin thickness, the intensity of force that is put on connector 20 by contact spring 80 can increase.As a result, the frictional force that puts on the space between movable contactor 10 and the connector 20 can be excessive.Can cause flexible jumper 10 not rotate reposefully like this.
Summary of the invention
Therefore, the scheme of this detailed description provides a kind of movable contactor assembly that is used for circuit breaker, and said movable contactor assembly can rotate reposefully and can prevent excessive space.
Another scheme of describing in detail provides a kind of movable contactor assembly that is used for circuit breaker, and said movable contactor assembly can prevent excessive space and carry out stable electric current supply.
Embody and describe summary like this paper, in order to realize these and other advantage, and according to the purpose of this specification, a kind of movable contactor that is used for circuit breaker is provided, it comprises: main body; The body supports unit, a side contacts of itself and main body and be configured to rotatably supportive body; Coupling member, it is configured to the mode that connects main body and body supports unit are coupled to each other; And leaf spring, it connects with coupling member, and is configured to elastic force is provided so that the coupled situation between them is kept in main body and body supports unit.
Said body supports unit can comprise contact main body and supportive body support chip, and is fixed to the stator of treating supported objects, and said object is connected with support chip.
Said support chip can form a pair of support chip of the both sides that contact main body respectively.And said body supports unit further comprises connecting portion, and said connecting portion is configured to the end of each support chip is connected to each other.
Said main body can be provided with the circular arc slit that is used to hold coupling member, and said leaf spring can be provided with the through hole that is used to hold coupling member.
Said coupling member can comprise connecting section with predetermined length and section outside connecting section is extended.
Said body supports unit can be provided with the leaf spring accommodation section that is used to hold leaf spring.
The said movable contactor assembly that is used for circuit breaker also can comprise the rotation restrictions, and it is configured to limit the rotation of leaf spring.
Said rotation restrictions can comprise the linear edge portion of the edge that is formed on leaf spring, and is formed on the linear sidewalls portion that the linear edge part of contact is sentenced in the leaf spring accommodation section.
Said leaf spring can be configured to have polygon edge.
It is obvious that the application's scope of application further will become through following detailed description.Yet; Should be understood that; Though expression the preferred embodiments of the present invention are described in detail and concrete example only provides through the mode of example, because will be conspicuous to those skilled in the art through being described in detail in the various changes within spirit of the present invention and the scope and revising.
Description of drawings
Accompanying drawing provide to of the present invention further understanding and be incorporated in the specification and constitute the part of specification, accompanying drawing has illustrated illustrative embodiments and has been used for explaining principle of the present invention with specification.
In the accompanying drawings:
Fig. 1 is the stereogram according to the movable contactor assembly that is used for circuit breaker of routine techniques;
Fig. 2 is according to the stereogram that is used for the movable contactor assembly of circuit breaker of the present invention;
Fig. 3 is the exploded perspective view of the movable contactor assembly of Fig. 2;
Fig. 4 is the view that rivet is shown, and rivet is the modified example of the coupling member of Fig. 3; And
Fig. 5 is the view of bolts and nuts, and screw bolt and nut is the modified example of the coupling member among Fig. 3.
Embodiment
Referring now to accompanying drawing, detailed description exemplary embodiment.In order to combine accompanying drawing briefly to describe, identical or equivalent parts will be provided with identical Reference numeral, will no longer repeat description of them.
Below, will be with reference to description of drawings according to the movable contactor assembly that is used for circuit breaker of the present invention.
Like Fig. 2 and shown in Figure 3; The movable contactor that is used for circuit breaker according to the present invention comprise main body 10, with a side contacts of main body 10 and be configured to supportive body 10 rotatably body supports unit 20, be configured to connect the coupling member 30 of main body 10 and body supports unit 20 with the mode that connects; And the leaf spring 40 that connects with coupling member 30, leaf spring 40 is configured to elastic force is provided so that the coupled situation that main body 10 and body supports unit 20 keep between them.
Can form main body 10 through a plurality of conductor 10a are coupled to each other along thickness direction.In a preferred embodiment, be of similar shape with the size two conductor 10a interconnect along thickness direction.
The other end of main body 10 can rotatably be supported by body supports unit 20.
More specifically, body supports unit 20 can be formed so that always contact main body 10 by electric conductor.
For example, body supports unit 20 can comprise the support chip 22a of contact main body 10 and supportive body 10 and be fixed to the stator 22c that treats supported object that said object is connected with support chip 22a.
Can form quantity is a plurality of said support chip 22a.
For example, said support chip 22a can be embodied as a pair of support chip of the both sides of an end that contacts main body 10 respectively.
Two support chip 22a can be arranged as toward each other and have preset distance (for example, with the corresponding inner width of the thickness of main body 10) between the two.
Said support chip 22a can be interconnected by connecting portion 22b.More specifically, said support chip 22a is spaced from each other, and the end of support chip is interconnected by connecting portion 22b and has approximate ' U ' shape.
Rotating shaft 50 can connect with support chip 22a.
Each support chip 22a can be provided with axis hole 23, is used for rotating shaft 50 is inserted wherein.When rotating shaft 50 was inserted into the axis hole 13 of axis hole 23 and main body 10 of support chip 22a, main body 10 can rotating shaft 50 be the relative support chip 22a rotation in center.
Connecting portion 22b can be connected with stator 22c.For example, said stator 22c can be connected with the lower end of connecting portion 22b.Fixed component patchhole 25 is used to insert the for example fixed component (not shown) of set bolt and hold-down screw, and fixed component patchhole 25 can be formed on stator 22c place with connecting.Under this structure, stator 22c can be fixedly connected with object.
Be used for the said coupling member patchhole 21 that coupling member 30 inserts wherein can be formed on 20 places, body supports unit.
More specifically, coupling member patchhole 21 can be formed on each support chip 22a place with connecting.
The said leaf spring accommodation section 26 that is constructed to hold therein leaf spring 40 can be formed on 20 places, body supports unit.More specifically, leaf spring accommodation section 26 can be formed on the side place of support chip 22a.
Said leaf spring accommodation section 26 can be at the side place of support chip 22a recessed desired depth.Said leaf spring accommodation section 26 can form corresponding with the shape of leaf spring 40.
Said leaf spring 40 can be configured to elastically deformable on thickness direction.
The through hole 41 that is used to insert coupling member 30 can be formed on leaf spring 40 places with connecting.
The movable contactor assembly that is used for circuit breaker also can comprise rotation restrictions 24, and rotation restrictions 24 is configured to limit the rotation of leaf spring 40.Under such configuration, when main body 10 rotations, prevent leaf spring 40 owing to rotate with main body 10 with the frictional force of main body 10.
For example, rotation restrictions 24 can comprise the linear edge portion 42 of the edge that is formed on leaf spring 40, and is formed on leaf spring accommodation section 26 and sentences the linear sidewalls portion 27 that just contacts linear edge part 42.
Said leaf spring 40 can be provided with one or more linear edge portion 42.
More specifically, said leaf spring 40 can be configured to have polygonal shape.
That is to say that the edge of leaf spring 40 can form rectangular shape, pentagon shaped or octagon-shaped.Leaf spring accommodation section 26 also can form rectangular shape, pentagon shaped or octagon-shaped.In a preferred embodiment, leaf spring 40 has approximate hexagonal edge, and therefore, said leaf spring 40 is provided with six linear edge portions 42, and leaf spring accommodation section 26 is provided with six linear sidewalls portions 27.
Coupling member 30 can comprise connecting section 32a with predetermined length and section 32b outside connecting section 32a is extended.This can make main body 10, body supports unit 20 and the total length of the leaf spring 40 that connects with main body 10 and body supports unit 20 always invariable.This can realize even quality.Here, evenly quality can mean the big contact force between main body 10 and the body supports unit 20.Said big contact force can be rotated main body 10 smoothly, and electric current is offered the space between main body 10 and the body supports unit 20 reposefully.
Said coupling member 30 can be provided with the connection part 30a of concrete predetermined length, and the fixed part 30b that connects with said connection part 30a.As shown in Figure 3, said fixed part 30b can be implemented as annulus member 30b.Said annulus member 30b can be fixedly coupled to the connecting section 32a of connection part 30a and the interface between the outer section 32b.Although not shown, fixed part 30b can be implemented as the prevention ring with an excision side.
Said connection part 30a can comprise the main body 31 with predetermined length, and from the extended top 33 of an end of main body 31.Said main body 31 can be provided with connecting section 32a and outer section 32b.
In a preferred embodiment, said coupling member 30 comprises connection part 30a and the fixed part 30b that is separated from each other.
Of Fig. 4, coupling member 90 can comprise rivet 90a.
The main body 91 of said rivet 90a can be provided with connecting section 92a and outer section 92b.
Said connecting section 92a can be configured to have predetermined length.
Although not shown, recess or jut can be formed on the interface between said connecting section 92a and the outer section 92b, and under such structure, said connecting section 92a and outer section 92b can be easy to distinguish each other.Said connecting section 92a can form with outer section 92b has the different-diameter that has rank shape portion.Can be easy to like this connecting section 92a and outer section 92b are distinguished each other.
When the outer section 92b of said rivet 90a is pressed and during plastic deformation, the coupled situation between main body 10, body supports unit 20 and the said leaf spring 40 can be held.
As shown in Figure 4, said coupling member 90 also can comprise fixed part 90b.More specifically, said coupling member 90 can be by constituting as the rivet 90a of connection part 90a with as fixed part 90b and the ring element 90b that connects with rivet 90a.
When being forced property of ring element 90b be fixed to rivet 90a connecting section 92a and outside during the interface of section between the 92b, said main body 10, body supports unit 20 and leaf spring 40 can keep the coupled situation between them.
As shown in Figure 5, coupling member 100 can by the connection part 100a with bolt shape with can be implemented as nut type and constitute with the fixed part 100b of thread connection with connection part 100a.
Said connection part 100a can comprise main body 101, and from the extended top 103 of main body 101 1 ends.Said main body 101 can be provided with the connecting section 102a with predetermined length, and outside connecting section 102a one side is extended the section 102b.
Can be set at nut 100b place with the internal thread part 105 of external thread part 102b through thread connection.
Under this structure, an end of main body 10 is inserted in the space between the support chip 22a of said body supports unit 20.Then, the position Be Controlled of main body 10, so the axis hole 23 of the axis hole 13 of main body 10 and support chip 22a is aimed at each other.Then, said rotating shaft 50 is inserted in the axis hole 23.
Then, said leaf spring 40 is accommodated in the leaf spring accommodation section 26, and connection part 30a is inserted in the through hole 41 of said leaf spring 40.Said connection part 30a can connect with leaf spring 40, body supports unit 20 and main body 10 successively with connecting.
Said connection part 30a can connect with support chip 22a and connect, and can make the outer section 32b of connection part 30a be exposed to the outside like this.
Through insert said fixed part 30b until the connecting section 32a of said connection part 30a and outside interface between the section 32b, said leaf spring 40 elastically deformables.
More specifically, make the edge of said leaf spring 40 contact, and fixed part 30b connect with connection part 30a with leaf spring accommodation section 26.Under this structure, the central portion of leaf spring 40 can be pulled to said body supports unit 20 through the top 33 of connection part 30a.As a result, said leaf spring 40 can be on thickness direction strain.When said leaf spring 40 strains, can produce elastic force.Through this elastic force, body supports unit 20 and main body 10 can be through the Elastic Contact each other of the contact force between them.The result is, main body 10 can be rotated reposefully, and keeps the contact condition of itself and body supports unit 20.Can allow electric current to be offered the space between main body 10 and the body supports unit 20 reposefully like this.
The present invention can have the following advantages.
At first, under the state between main body and the body supports unit, said main body and body supports unit are coupled to each other through coupling member at leaf spring.Main body is rotated reposefully, and can prevent between main body and body supports unit, to occur excessive space.Under this structure, said main body and said body supports unit can keep the coupled situation between them, and electric current can stably be offered the space between main body and the body supports unit.
Secondly, because coupling member is provided with the connecting section with predetermined length, can have constant adhesive force through the leaf spring of the little elastic displacement that has between said main body and the body supports unit.Even the long-time use in main body and body supports unit also can be rotated reposefully, and can prevent the space.
Moreover, because said rotation restrictions is configured to limit the rotation of leaf spring, so can prevent that said leaf spring is owing to the rotation repeatedly of main body is rotated.The main body that can prevent like this to cause and the variation of the adhesive force between the body supports unit owing to said leaf spring position change.
Previous embodiment and advantage are merely exemplary and should be interpreted as the restriction disclosure.This instruction can be easy to be applied to the device of other types.This specification is intended to exemplary, rather than the scope of restriction claim.Many possibilities, improvement and modification will be conspicuous to those skilled in the art.Here characteristic, structure, method and other characteristics of exemplary embodiment of explanation can make up to obtain other and/or alternate exemplary embodiment in every way.
Owing to can under the situation that does not depart from its characteristics, implement eigen in a variety of forms; It is to be further understood that; Only if point out in addition; The foregoing description is not limited by arbitrary details of aforementioned specification, but should be in liking scope thereof enclosed be broadly explained, whole changes that the border of therefore dropping on claim and the equivalent arrangements of boundary or these borders and boundary are interior and improvement thereby be intended to comprised by appended claim.
Claims (9)
1. movable contactor that is used for circuit breaker comprises:
Main body;
The body supports unit, a side contacts of itself and said main body and be configured to rotatably support said main body;
Coupling member, it is configured to the mode that connects said main body and said body supports unit are coupled to each other; And
Leaf spring, it connects with said coupling member, and is configured to elastic force is provided so that said main body and said body supports unit keep the coupled situation between them.
2. the movable contactor that is used for circuit breaker according to claim 1, wherein, said body supports unit comprises:
Contact and support the support chip of said main body with said main body; And
Be fixed to the stator of treating supported objects, said object is connected with said support chip.
3. the movable contactor that is used for circuit breaker according to claim 2, wherein, said support chip is implemented as a pair of support chip of the both sides that contact said main body respectively, and
Wherein said body supports unit also comprises connecting portion, and said connecting portion is configured to connect the end of each said support chip.
4. the movable contactor that is used for circuit breaker according to claim 1, wherein, said main body has the circular arc slit that holds coupling member, and said leaf spring has the through hole that is used to hold said coupling member.
5. according to one in the claim 1 to the 4 described movable contactor that is used for circuit breaker, wherein, said coupling member comprises connecting section with predetermined length and from extended outer section of said connection knot section.
6. the movable contactor that is used for circuit breaker according to claim 5, wherein, said body supports unit has the leaf spring accommodation section that is used to hold said leaf spring.
7. the movable contactor that is used for circuit breaker according to claim 6 also comprises the rotation restrictions, and said rotation restrictions is configured to limit the rotation of leaf spring.
8. the movable contactor that is used for circuit breaker according to claim 7, wherein, said rotation restrictions comprises:
Be formed on the linear edge portion of the edge of said leaf spring; And
Be formed on said leaf spring accommodation section and sentence the linear sidewalls portion of the said linear edge of contact portion.
9. the movable contactor that is used for circuit breaker according to claim 8, wherein, said leaf spring is configured to have polygon edge.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2010-0097042 | 2010-10-05 | ||
| KR20100097042A KR101193450B1 (en) | 2010-10-05 | 2010-10-05 | Slide type movable contactor assembly for balanced contact force |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102568946A true CN102568946A (en) | 2012-07-11 |
| CN102568946B CN102568946B (en) | 2015-04-29 |
Family
ID=46137401
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110296109.0A Active CN102568946B (en) | 2010-10-05 | 2011-09-27 | Movable contactor assembly for circuit breaker |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR101193450B1 (en) |
| CN (1) | CN102568946B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103474299A (en) * | 2013-08-22 | 2013-12-25 | 宁波奇乐电气集团有限公司 | Movable conductor connecting structure of circuit breaker |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107749354B (en) * | 2017-11-21 | 2020-05-29 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | Switch contact structure with automatic cleaning function |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5146194A (en) * | 1988-10-12 | 1992-09-08 | Westinghouse Electric Corp. | Screw adjustable clinch joint with bosses |
| CN1118928A (en) * | 1994-02-08 | 1996-03-20 | 富士电机株式会社 | Movable contactor device in circuit breaker |
| JP2762704B2 (en) * | 1989-10-03 | 1998-06-04 | 富士電機株式会社 | Circuit breaker |
-
2010
- 2010-10-05 KR KR20100097042A patent/KR101193450B1/en active IP Right Grant
-
2011
- 2011-09-27 CN CN201110296109.0A patent/CN102568946B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5146194A (en) * | 1988-10-12 | 1992-09-08 | Westinghouse Electric Corp. | Screw adjustable clinch joint with bosses |
| JP2762704B2 (en) * | 1989-10-03 | 1998-06-04 | 富士電機株式会社 | Circuit breaker |
| CN1118928A (en) * | 1994-02-08 | 1996-03-20 | 富士电机株式会社 | Movable contactor device in circuit breaker |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103474299A (en) * | 2013-08-22 | 2013-12-25 | 宁波奇乐电气集团有限公司 | Movable conductor connecting structure of circuit breaker |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20120035501A (en) | 2012-04-16 |
| KR101193450B1 (en) | 2012-10-24 |
| CN102568946B (en) | 2015-04-29 |
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