CN102568946B - Movable contactor assembly for circuit breaker - Google Patents
Movable contactor assembly for circuit breaker Download PDFInfo
- Publication number
- CN102568946B CN102568946B CN201110296109.0A CN201110296109A CN102568946B CN 102568946 B CN102568946 B CN 102568946B CN 201110296109 A CN201110296109 A CN 201110296109A CN 102568946 B CN102568946 B CN 102568946B
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- China
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- main body
- leaf spring
- movable contactor
- coupling member
- support chip
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- Breakers (AREA)
- Arc-Extinguishing Devices That Are Switches (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
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 description relates to a kind of movable contactor assembly for breaker, particularly relate to a kind of can smooth operation and the movable contactor assembly for breaker in excessive space can be prevented.
Background technology
Usually, breaker is a kind of being installed in circuit to protect the electric device of the distribution board system of such as building, factory, boats and ships.This breaker is by interrupting as overload, overcurrent and short circuit current etc. occur in abnormal current on circuit line to protect lower system (lower system) or load.
Fig. 1 is the stereogram of the movable contactor assembly for breaker according to prior art.
As shown in Figure 1, this movable contactor assembly being used for breaker has following structure: under the state that the both sides of movable contactor 10 are supported by connector 20, 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 contact spring 80.In this state, cam disc 70 connects to pressurize to contact spring 80 with rotating shaft 50.When contact spring 80 pressurizes to connector 20, enhance the coupled situation between movable contactor 10 and connector 20.
But there is following problem in the conventional movable contactor assembly for breaker.
First, when connector 20 has thick thickness, the intensity being put on the power on connector 20 by contact spring 80 can be weakened.The adhesive force between movable contactor 10 and connector 20 may be caused like this to weaken.As a result, space may be there is between movable contactor 10 and connector 20.
When space between movable contactor 10 and connector 20 is excessive, electric current can not by the space be applied to reposefully between movable contactor 10 and connector 20.In addition, large space can make the resistance between movable contactor 10 and connector 20 increase and cause the heat of high temperature.The mandatory degradation of such meeting acceleration components.
On the contrary, when connector 20 has thin thickness, the intensity being put on the power of connector 20 by contact spring 80 can increase.As a result, the frictional force spatially put between movable contactor 10 and connector 20 can be excessive.Flexible jumper 10 can be caused like this not rotate reposefully.
Summary of the invention
Therefore, this scheme described in detail is to provide a kind of movable contactor assembly for breaker, and described movable contactor assembly can rotate reposefully and can prevent excessive space.
Another scheme described in detail is to provide a kind of movable contactor assembly for breaker, and described movable contactor assembly can prevent excessive space and carry out stable electric current supply.
As herein embody and describe summary, in order to realize the advantage of these and other, and according to the object of this description, provide a kind of movable contactor for breaker, it comprises: main body; Body supports unit, a side contacts of itself and main body and be configured to rotatably supportive body; Coupling member, it is configured to main body and body supports unit are coupled to each other in through mode; And leaf spring, it connects with coupling member, and is configured to provide elastic force to maintain coupled situation between them to make main body and body supports unit.
Described body supports unit can comprise contact main body and supportive body support chip, and is fixed to the stator treating supported objects, and described object is connected with support chip.
Described support chip can be formed as a pair support chip of the both sides contacting main body respectively.And described body supports unit can also comprise connecting portion, described connecting portion is configured to the end of each support chip to be connected to each other.
Described main body can be provided with the circular arc slit for holding coupling member, and described leaf spring can be provided with the through hole for holding coupling member.
Described coupling member can comprise the connecting section with predetermined length and the outer section of extending from connecting section.
Described body supports unit can be provided with the leaf spring accommodation section for holding leaf spring.
The described movable contactor assembly for breaker also can comprise rotation limiting unit, and it is configured to the rotation limiting leaf spring.
Described rotation limiting unit can comprise the linear edges edge of the edge being formed in leaf spring, and is formed in leaf spring accommodation section and sentences the linear side wall portion contacting linear edge part.
Described leaf spring can be configured to have polygon edge.
The application further scope of application will be become apparent by the following detailed description.But, should be understood that, although expression the preferred embodiments of the present invention, to describe in detail and concrete example provides by means of only the mode of example, because by being described in detail in various change within spirit of the present invention and scope and amendment will be apparent for those skilled in the art.
Accompanying drawing explanation
Accompanying drawing provides further to be understood of the present invention and be incorporated in description and form the part of description, and accompanying drawing illustrates illustrative embodiments and is used for principle of the present invention is described together with description.
In the accompanying drawings:
Fig. 1 is the stereogram of the movable contactor assembly for breaker according to routine techniques;
Fig. 2 is the stereogram according to the movable contactor assembly for 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, 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 in Fig. 3.
Detailed description of the invention
Referring now to accompanying drawing, detailed description exemplary embodiment.In order to briefly describe by reference to the accompanying drawings, identical or equivalent parts will be provided with identical Reference numeral, no longer will repeat description of them.
Below, illustrate with reference to the accompanying drawings according to the movable contactor assembly for breaker of the present invention.
As shown in Figures 2 and 3, movable contactor for breaker according to the present invention comprises main body 10, be configured to the body supports unit 20 of rotatably supportive body 10 with a side contacts of main body 10, be configured to connect in through mode the coupling member 30 of main body 10 and body supports unit 20, and the leaf spring 40 to connect with coupling member 30, leaf spring 40 is configured to provide elastic force with the coupled situation making main body 10 and body supports unit 20 keep between them.
Main body 10 can be implemented as conductor.
Main body 10 is formed by being coupled to each other by multiple conductor 10a through-thickness.In a preferred embodiment, be of similar shape and be interconnected with two of size conductor 10a through-thickness.
The fixed contact contacting fixed contact (not shown) is sentenced in one end that movable contact 12 can be arranged on main body 10.
Axis hole 13 can be formed in the other end place of main body 10 throughly.
The below that slit 11 can be formed in axis hole 13 throughly is inserted wherein to make coupling member 30.Described slit 11 can be formed as arc-shaped and perform relative motion about coupling member 30 to make main body 10.
The other end of main body 10 rotatably can be supported by body supports unit 20.
Body supports unit 20 is supportive body 10 rotatably, and forms conductive path by contact main body 10.
More specifically, body supports unit 20 can be formed by electric conductor always to contact main body 10.
Such as, body supports unit 20 can comprise contact main body 10 and the support chip 22a of supportive body 10 and be fixed to the stator 22c treated by the object supported, and described object is connected with support chip 22a.
Can quantity of formation be multiple described support chip 22a.
Such as, described support chip 22a can be embodied as a pair support chip of the both sides of the one end contacting main body 10 respectively.
Two support chip 22a can be arranged as toward each other and have preset distance (such as, corresponding with the thickness of main body 10 inner width) therebetween.
Described support chip 22a can be interconnected by connecting portion 22b.More specifically, described 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, for being inserted wherein by rotating shaft 50.When rotating shaft 50 is inserted into the axis hole 13 of the axis hole 23 of support chip 22a and main body 10, main body 10 can rotate by relative support sheet 22a centered by rotating shaft 50.
Connecting portion 22b can be connected with stator 22c.Such as, described stator 22c can be connected with the lower end of connecting portion 22b.Fixed component patchhole 25 is for inserting the fixed component (not shown) of such as set bolt and hold-down screw, and fixed component patchhole 25 can be formed in stator 22c place throughly.Under such a configuration, stator 22c can be fixedly connected with object.
Body supports unit 20 place can be formed in for the described coupling member patchhole 21 inserted by coupling member 30 wherein.
More specifically, coupling member patchhole 21 can be formed in each support chip 22a place throughly.
The described leaf spring accommodation section 26 being constructed to hold leaf spring 40 wherein can be formed in body supports unit 20 place.More specifically, leaf spring accommodation section 26 can be formed in the side place of support chip 22a.
Described leaf spring accommodation section 26 can in the recessed desired depth in side place of support chip 22a.Described leaf spring accommodation section 26 can be formed as corresponding with the shape of leaf spring 40.
Described leaf spring 40 can be configured to elastically deformable in a thickness direction.
Leaf spring 40 can connect with coupling member 30.
Through hole 41 for inserting coupling member 30 can be through be formed in leaf spring 40 place.
Movable contactor assembly for breaker also can comprise rotation limiting unit 24, rotates the rotation that limiting unit 24 is configured to limit leaf spring 40.Under such a configuration, when main body 10 rotates, prevent leaf spring 40 from rotating together with main body 10 due to the frictional force with main body 10.
Such as, rotate limiting unit 24 and can comprise the linear edges edge 42 of the edge being formed in leaf spring 40, and be formed in leaf spring accommodation section 26 and sentence the linear side wall portion 27 just contacting linear edge part 42.
Described leaf spring 40 can be provided with one or more linear edges edge 42.
More specifically, described leaf spring 40 can be configured to have polygonal shape.
That is, the edge of leaf spring 40 can be formed as rectangular shape, pentagon shaped or octagon-shaped.Leaf spring accommodation section 26 also can be formed as rectangular shape, pentagon shaped or octagon-shaped.In a preferred embodiment, leaf spring 40 has approximate hexagonal edge, and therefore, described leaf spring 40 is provided with six linear edges edges 42, and leaf spring accommodation section 26 is provided with six linear side wall portion 27.
Coupling member 30 can comprise the connecting section 32a with predetermined length and the outer section 32b extended from connecting section 32a.This can make main body 10, body supports unit 20 and the total length of leaf spring 40 that connects with main body 10 and body supports unit 20 always invariable.This can realize even quality.Herein, even quality can mean the large contact force between main body 10 and body supports unit 20.Described large contact force makes main body 10 rotate smoothly, and electric current is by the space be supplied to reposefully between main body 10 and body supports unit 20.
Described coupling member 30 can be provided with the connection part 30a of concrete predetermined length, and the fixed part 30b connected with described connection part 30a.As shown in Figure 3, described fixed part 30b can be implemented as ring component 30b.Described ring component 30b can be fixedly coupled to the interface between the connecting section 32a of connection part 30a and outer section of 32b.Although not shown, fixed part 30b can be implemented as the prevention ring with an excision side.
Fixed part 30b can be provided with packing ring 60 between body supports unit 20 and ring element 30b.This can allow ring element 30b directly to contact with support chip 22a.
Described connection part 30a can comprise the main body 31 with predetermined length, and the top 33 of extending from one end of main body 31.Described main body 31 can be provided with connecting section 32a and outer section 32b.
In a preferred embodiment, described coupling member 30 comprises the connection part 30a and fixed part 30b that are separated from each other.
As described in Figure 4, coupling member 90 can comprise rivet 90a.
Rivet 90a can be made up of main body 91 and top 93.
The main body 91 of described rivet 90a can be provided with connecting section 92a and outer section of 92b.
Described connecting section 92a can be configured to have predetermined length.
Although not shown, recess or jut can be formed in the interface between described connecting section 92a and outer section of 92b, and under this structure, described connecting section 92a and outer section of 92b can be easy to mutually distinguish.Described connecting section 92a and outer section of 92b can be formed as having the different-diameter with shape portion, rank.Connecting section 92a and outer section of 92b can be easy to so mutually to distinguish.
When the outer section 92b of described rivet 90a be pressed and plastic deformation time, main body 10, coupled situation between body supports unit 20 and described leaf spring 40 can be kept.
As shown in Figure 4, described coupling member 90 also can comprise fixed part 90b.More specifically, described coupling member 90 can be made up of the rivet 90a as connection part 90a and the ring element 90b connected as fixed part 90b and with rivet 90a.
When being forced property of ring element 90b be fixed between the connecting section 92a of rivet 90a and outer section of 92b interface time, described 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 having the connection part 100a of bolt shape and can being implemented as nut type and being formed with the fixed part 100b of thread connection with connection part 100a.
Described connection part 100a can comprise main body 101, and from the top 103 that main body 101 one end is extended.Described main body 101 can be provided with the connecting section 102a with predetermined length, and from the outer section 102b that connecting section 102a side is extended.
External thread part 102b can be formed in outer section of 102b place.
Nut 100b place can be arranged on by the internal thread part 105 of thread connection with external thread part 102b.
Under this configuration, one end of main body 10 be inserted into described body supports unit 20 support chip 22a between space in.Then, the position of main body 10 is controlled, and therefore the axis hole 13 of main body 10 and the axis hole 23 of support chip 22a are aimed at mutually.Then, described rotating shaft 50 is inserted in axis hole 23.
Then, described leaf spring 40 is accommodated in leaf spring accommodation section 26, and connection part 30a is inserted in the through hole 41 of described leaf spring 40.Described connection part 30a can connect successively throughly with leaf spring 40, body supports unit 20 and main body 10.
Described connection part 30a can connect with support chip 22a is through, and the outer section 32b of connection part 30a can be made like this to be exposed to outside.
By inserting described fixed part 30b until interface between the connecting section 32a of described connection part 30a and outer section of 32b, described leaf spring 40 elastically deformable.
More specifically, the edge of described leaf spring 40 is contacted with leaf spring accommodation section 26, and fixed part 30b connect with connection part 30a.Under this configuration, the central portion of leaf spring 40 is pulled to described body supports unit 20 by the top 33 of connection part 30a.As a result, described leaf spring 40 can elastic deformation in a thickness direction.When described leaf spring 40 elastic deformation, elastic force can be produced.By this elastic force, body supports unit 20 and main body 10 are by the Elastic Contact each other of the contact force between them.As a result, main body 10 can rotate reposefully, and keep the contact condition of itself and body supports unit 20.Electric current can be allowed like this by the space be supplied to reposefully between main body 10 and body supports unit 20.
The present invention can have the following advantages.
First, under the state of leaf spring between main body and body supports unit, described main body and body supports unit are coupled to each other by coupling member.Main body can be made like this to rotate reposefully, and can prevent from occurring excessive space between main body and body supports unit.Under this configuration, described main body and described body supports unit can keep the coupled situation between them, and electric current can be supplied stably to the space between main body and body supports unit.
Secondly, because coupling member is provided with the connecting section with predetermined length, between described main body and body supports unit, by the leaf spring of little elastic displacement had, there is constant adhesive force.Even if main body and the long-time use of body supports unit can be made so also can to rotate reposefully, and can space be prevented.
Moreover, because described rotation limiting unit is configured to the rotation limiting leaf spring, so can prevent described leaf spring from rotating due to the rotation repeatedly of main body.The change of the adhesive force between the main body that causes because described leaf spring position changes and body supports unit can be prevented like this.
Previous embodiment and advantage are only exemplary and should be interpreted as limiting the disclosure.This instruction can be easy to the device being applied to other types.This description is intended to exemplary, instead of the scope of restriction claim.Many possibilities, improvement and modification will be apparent to those skilled in the art.The feature of the exemplary embodiment illustrated here, structure, method and other characteristics can combine to obtain other and/or optional exemplary embodiment in every way.
Due to eigen can be implemented in a variety of forms when not departing from its feature, it is to be further understood that, unless otherwise noted, above-described embodiment not limited by arbitrary details of aforementioned specification, but be construed broadly in the scope that should limit in such as claims, the whole changes and improvements therefore dropped in the border of claim and the equivalent arrangements of boundary or these borders and boundary to be thus intended to comprise by appended claim.
Claims (4)
1., for a movable contactor for breaker, comprising:
Main body;
Body supports unit, a side contacts of itself and described main body and be configured to rotatably support described main body;
Coupling member, it is configured to described main body and described body supports unit are coupled to each other in through mode; And
Leaf spring, it connects with described coupling member, and is configured to provide elastic force with the coupled situation making described main body and described body supports unit keep between them,
Wherein, described body supports unit comprises: support the support chip of described main body with described body contact and be fixed to the stator treating supported objects, described object is connected with described support chip,
Wherein, rotating shaft connects with the axis hole of described support chip and the axis hole of described main body,
Wherein, described support chip is implemented as a pair support chip of the both sides contacting described main body respectively, and wherein said body supports unit also comprises connecting portion, and described connecting portion is configured to connect the end of support chip described in each,
Wherein, described main body has the circular arc slit holding coupling member, and described leaf spring has the through hole for holding described coupling member,
Wherein, described coupling member is provided with the connection part with predetermined length and the fixed part connected with described connection part,
Wherein, described coupling member comprises the connecting section with predetermined length and the outer section of extending from described connection knot section, and
Wherein, described body supports unit has the leaf spring accommodation section for holding described leaf spring.
2. the movable contactor for breaker according to claim 1, also comprises rotation limiting unit, and described rotation limiting unit is configured to the rotation limiting leaf spring.
3. the movable contactor for breaker according to claim 2, wherein, described rotation limiting unit comprises:
Be formed in the linear edges edge of the edge of described leaf spring; And
Be formed in described leaf spring accommodation section and sentence the linear side wall portion contacting described linear edges edge.
4. the movable contactor for breaker according to claim 3, wherein, described 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 CN102568946A (en) | 2012-07-11 |
| CN102568946B true CN102568946B (en) | 2015-04-29 |
Family
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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) |
Families Citing this family (2)
| 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 |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| KR101193450B1 (en) | 2012-10-24 |
| KR20120035501A (en) | 2012-04-16 |
| CN102568946A (en) | 2012-07-11 |
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