CN107017136A - The contact mechanism of omnipotent breaker - Google Patents
The contact mechanism of omnipotent breaker Download PDFInfo
- Publication number
- CN107017136A CN107017136A CN201610060421.2A CN201610060421A CN107017136A CN 107017136 A CN107017136 A CN 107017136A CN 201610060421 A CN201610060421 A CN 201610060421A CN 107017136 A CN107017136 A CN 107017136A
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- CN
- China
- Prior art keywords
- contact
- guide rod
- touch spring
- cavity
- guide
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H73/00—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism
- H01H73/02—Details
- H01H73/04—Contacts
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- Breakers (AREA)
Abstract
A kind of contact mechanism of omnipotent breaker, supported including contact, it is pivotally mounted to contact blade and touch spring that contact is supported, multiple contact blades are arranged side by side at contact and supported, also include many guide rods, each touch spring is set in one end of every guide rod, at least one guide rod one contact blade of correspondence, the contact supports the movable cavity provided with the one end for accommodating touch spring and guide rod, guide rod compression contacts spring can be moved in movable cavity, and the other end of guide rod is provided with the contact jaw being engaged with contact blade；It is provided with movable cavity and the first spacing positive stop end is carried out to one end of touch spring, guide rod is provided with carries out the second spacing positive stop end to the other end of touch spring, contact blade rotates the contact jaw of touching guide rod, and guide rod provides contact elastic force by compression contacts spring for contact blade.Install stable the invention provides a kind of performance, simple in construction, the contact mechanism of omnipotent breaker quick and easy for installation.
Description
Technical field
The present invention relates to Low Voltage Electrical Apparatus, and in particular to a kind of omnipotent breaker, more particularly to one kind ten thousand
The contact mechanism of energy formula breaker.
Background technology
Such as Fig. 1, shown in 2, the contact mechanism of current omnipotent breaker is to be provided for peace in contact support
The spring mounting hole of touch spring is filled, one end of touch spring, which loads to install in spring mounting hole, to be fixed, another
End stretches out spring mounting hole and provides elastic force for moving contact piece.
Omnipotent breaker structure of contact terminal is in use or experiment, and moving contact piece is rotary motion, its contact
Power suffered by spring is not to act on the direction of spring-compressed completely, and oblique pressure can cause spring
Stress flexural deformation, ultimately resulting in the power of spring can not effectively act on and contact blade, cause the contact of contact
Pressure diminishes, and influences the performance of open circuit.In addition, omnipotent breaker structure of contact terminal is being used or tested
When, due to the rise of technical parameter, cause the increase of current capacity, the particle that spray arc is produced is easily accessible tactile
Head spring, injury of the heat that particle is brought to touch spring is huge, while the particle for spraying arc generation is attached to bullet
Spring surface influences the useful effect of spring force.
The content of the invention
It is an object of the invention to the defect for overcoming prior art, there is provided a kind of performance installation stabilization, structure letter
Singly, the contact mechanism of omnipotent breaker quick and easy for installation.
To achieve the above object, present invention employs following technical scheme：
A kind of contact mechanism of omnipotent breaker, including contact support 1, are pivotally mounted to contact and support 1
On contact blade 2 and touch spring 3, multiple contact blades 2 be arranged side by side at contact support 1 on, in addition to
Many guide rods 6, each touch spring 3 is set in one end of every guide rod 6, at least one guide rod
6 one contact blade 2 of correspondence, the contact supports 1 to be provided with and accommodates the one of touch spring 3 and guide rod 6
The movable cavity 103 at end, the compression contacts spring 3 of guide rod 6 can be moved in movable cavity 103, be oriented to
The other end of bar 6 is provided with the contact jaw 63 being engaged with contact blade 2；It is provided with movable cavity 103 to touching
One end of head spring 3 carries out the first spacing positive stop end 103a, and guide rod 6 is provided with to touch spring 3
The other end carries out the second spacing positive stop end 62, and contact blade 2 rotates the contact jaw 63 of touching guide rod 6,
Guide rod 6 is that contact blade 2 provides contact elastic force by compression contacts spring 3.
Further, in addition to guide rod 6 spacing guide plate 7 is carried out, the guide plate 7 is installed on tactile
Head supports on 1 that guide plate 7 is vertically arranged with guide rod 6, and the guide plate 7 is provided with guide rod 6
The through hole 701 that contact jaw 63 is passed through.
Further, one end of the guide rod 7 is provided with guide end 61, and the movable cavity 103 includes accommodating
Stretched into when the first cavity 1031 and guide rod 7 movement of touch spring 3 for guide end 61 to guide rod 7
Second cavity 1032 of guide effect, it is empty that the first positive stop end 103a is located at the first cavity 1031 and second
Between chamber 1032.
Further, in addition to pilot sleeve 5, second cavity 1032 is located at the middle part of pilot sleeve 5
It is oriented to groove, the first cylindrical sleeve 51 of pilot sleeve 5 including the bottom end of movable cavity 103 and another
Second cylindrical sleeve 52 at end, the end of the second cylindrical sleeve 52 forms one end to touch spring 3
Carry out the first spacing positive stop end 103a；During installation, touch spring 3 is first set in one end of guide rod 6,
One end of guide rod 6 is installed with pilot sleeve 5, is then directed to bar 6, touch spring 3 and pilot sleeve
5 are fitted into movable cavity 103 together.
Further, the guiding groove that second cavity 1032 is set for the bottom of the first cavity 1031, the
The bottom of one cavity 1031 is formed carries out the first spacing positive stop end 103a, peace to one end of touch spring 3
During dress, touch spring 3 is first set in one end of guide rod 6, and guide rod 6 is set with one end of touch spring 3
It is fitted into movable cavity 103.
Further, second positive stop end 62 is the another side wall of guide rod 6 to extending around setting
Circular limiting plate, side and the touch spring 3 of circular limiting plate, which offset, to be limited the other end of touch spring 3
Position, opposite side and the guide plate 7 of circular limiting plate coordinate guide rod 6 is carried out it is spacing.
Further, the guide plate 7 is one flat plate, and guide plate 7 is arranged at the upper end one that contact supports 1
Side, guide plate 7 supports 1 connected mode to snap connection or be fastenedly connected with contact.
Further, the guide rod 6 is insulation guide rod.
Further, the contact jaw 63 and the end that contact blade 2 is engaged are arc surface.
Further, the contact supports 1 middle part to install cavity 101, multiple contact blades 2 provided with contact blade
It is arranged side by side and is arranged in contact blade installation cavity 101, insulating barrier is provided between two neighboring contact 2,
Multiple contact blades 2 and polylith insulating barrier are pivotably attached to contact by rotary shaft and supported on 1；Contact blade 2
One end side be provided with contact 201, opposite side towards guide rod 6 contact jaw 63, contact blade 2 it is another
One end is connected with connection conductor 22, and the other end of connection conductor 22 is connected with conductive bus bar.
The contact mechanism of omnipotent breaker of the present invention sets guide rod, and touch spring is set on guide rod,
Touch spring provides elastic force for guide rod, is contacted by guide rod with contact blade touching, touch spring can only edge
Guide rod to axially move, will not deform, in addition, the oblique pressure suffered by touch spring
It is transformed on guide rod, improves the performance of product, it is ensured that the normal operation of breaker.The contact machine of breaker
Structure sets guide plate；One, guide plate is spacing to guide rod progress, prevents guide rod from ejecting；Two, during installation,
The contact jaw of guide rod is passed through from the through hole of guide plate and installed, the installation site of precise positioning guide rod；Three,
Guide plate decomposes the oblique pressure for the contact blade that guide rod is subject to；Four, the contact jaw of guide rod and guide plate
Through hole coordinates, and guide plate plays guide effect to guide rod；Five, guide plate plays sealing process, it is to avoid touch
Injury of the spray arc example produced during head closure to touch spring, extends the service life of touch spring, improves
Product safety performance.Guide rod can also set the position limiting structure in addition to the second positive stop end to carry out guide rod
It is spacing.
Brief description of the drawings
Fig. 1 is the schematic perspective view of the contact mechanism prior art of omnipotent breaker of the present invention；
Fig. 2 is the cross-sectional view of the contact mechanism prior art of omnipotent breaker of the present invention；
Fig. 3 is the stereogram of the contact mechanism of omnipotent breaker of the present invention；
Fig. 4 is the cross-sectional view of the contact mechanism of omnipotent breaker of the present invention；
Fig. 5 is the structural representation of pilot sleeve of the present invention.
Embodiment
The embodiment provided below in conjunction with accompanying drawing 3 to 5, further illustrates the contact machine of the breaker of the present invention
The embodiment of structure.The contact mechanism of the breaker of the present invention is not limited to the following description.
Omnipotent breaker of the present invention supports 1 to cause contact to support moving contact and static contact on 1 by rotary contact
Contact, to connect circuit.
As shown in figure 3, contact supports 1 middle part to install cavity 101 provided with contact blade, multiple contact blades 2 are simultaneously
Arrange spread configuration to install in cavity 101 in contact blade, insulating barrier is provided between two neighboring contact 2, touch
Head piece 2 is cascaded with insulating barrier by rotary shaft, and the two ends of rotary shaft are pivotably attached to contact and support 1
Both sides, the side of one end of contact blade 2 is provided with contact 201, and opposite side is towards flexible member, contact blade 2
The other end be connected with connection conductor 22, connection conductor 22 the other end be connected with conductive bus bar.Moving contact with
When static contact is closed, contact blade 2, which is promoted, to be rotated, and flexible member is that contact blade 2 provides the elastic excess of stroke, is made
Obtain moving contact and static contact is in close contact.
Such as Fig. 3, shown in 4, the contact mechanism of omnipotent breaker of the present invention, flexible member includes guide rod 6
With touch spring 3, touch spring 3 is set in one end of guide rod 6, and each touch spring 3 is set in guiding
One end of bar 6, at least one guide rod is corresponding with a contact blade 2；The contact supports that 1 is provided with
The movable cavity 103 of one end of touch spring 3 and guide rod 6 is accommodated, the compression contacts spring 3 of guide rod 6 can
Moved in movable cavity 103, the other end of guide rod 6 is provided with the contact jaw being engaged with contact blade 2
63；It is provided with movable cavity 103 and the first spacing positive stop end 103a is carried out to one end of touch spring 3, is led
It is provided with to bar 6 and the second spacing positive stop end 62 is carried out to the other end of touch spring 3, contact blade 2 is rotated
The contact jaw 63 of guide rod 6 is touched, guide rod 6 is that contact blade 2 provides contact by compression contacts spring 3
Elastic force.The contact mechanism of omnipotent breaker of the present invention sets guide rod, and touch spring is set in into guide rod
On, touch spring provides elastic force for guide rod, is contacted by guide rod with contact blade touching, and touch spring is only
It can axially move, will not deform along guide rod, in addition, the oblique pressure suffered by touch spring
Power is also transformed on guide rod, improves the performance of product, it is ensured that the normal operation of breaker.
Such as Fig. 3, described in 4, the contact mechanism of omnipotent breaker of the present invention also includes matching somebody with somebody with the second positive stop end 62
Conjunction carries out spacing guide plate 7 to guide rod 6, and the guide plate 7 is installed on contact and supported on 1, guide plate
7 are vertically arranged with guide rod 6, the through hole that contact jaw 63 of the guide plate 7 provided with guide rod 6 is passed through
701。
The contact mechanism of breaker sets guide plate 7；One, guide plate 7 coordinates to leading with the second positive stop end 62
Carried out to bar 6 spacing, prevent guide rod 6 from ejecting；Two, during installation, the contact jaw 63 of guide rod 6 is from leading
Pass through and install to the through hole 701 of plate 7, the installation site of precise positioning guide rod 6；Three, 7 points of guide plate
The oblique pressure for the contact blade that solution guide rod 6 is subject to；Four, contact jaw 63 and the guide plate 7 of guide rod 6
Through hole 701 coordinates, and guide plate plays guide effect to guide rod；Five, guide plate plays sealing process, keeps away
Exempt from the injury of the spray arc example that is produced during contact closure to touch spring 3, extend the service life of touch spring,
Improve product safety performance.Guide rod 6 can also set position limiting structure in addition to the second positive stop end 62 to leading
Carried out to bar 6 spacing.
As shown in figure 4, one end of guide rod 7 is provided with guide end 61, the other end of guide rod 7 is provided with contact
End 63, guide rod 7 is provided with the second positive stop end 62 close to the middle part of contact jaw 63.The guide rod 6 is exhausted
Edge guide rod.Guide rod 6 is that on-deformable insulating materials is made, and is after the multiple-contact of contact blade,
Guide rod will not deform, and there is provided product reliability.
As shown in figure 4, second positive stop end 62 for guide rod 6 another side wall to extending around setting
Circular limiting plate, the other end that the side of circular limiting plate offsets to touch spring 3 with touch spring 3
It is spacing, opposite side and the guide plate 7 of circular limiting plate coordinate guide rod 6 is carried out it is spacing.Second positive stop end
62 for guide rod 6 another side wall to the circular limiting plate for extending around setting, circular limiting plate is same
When play spacing to the other end of touch spring 3 and coordinate the effect spacing to guide rod with guide plate 7.The
Two positive stop ends 62 are it can also be provided that other structures, such as limit of the protrusion located at the another side wall of guide rod 6
Position block.
Such as Fig. 3, shown in 4, the contact jaw 63 is arc surface with the end that contact blade 2 is engaged.Contact
End 63 is set to arc surface with the end that contact blade is engaged so that the contact resistance of guide rod 6 and contact blade
Reduce, the contact with contact blade 2 of guide rod 6 is more steady reliable.
As shown in figure 4, the movable cavity 103 includes accommodating the first cavity 1031 of touch spring 3 and led
The second cavity 1032 being play the guiding role to guide rod 7, described are stretched into when being moved to bar 7 for guide end 61
One positive stop end 103a is located between the first cavity 1031 and the second cavity 1032.The guiding of the one end of guide rod 7
End 61 coordinates together with the second cavity 1032, on the one hand, the second cavity 1032 provides movement for guide rod
Space, on the other hand, the second cavity 1032 coordinates together with guide end 61 plays guiding work to guide rod 6
With.
Two kinds of embodiments of the second cavity are given below.
Such as Fig. 4, the first embodiment of the second cavity is provided shown in 5.The contact machine of omnipotent breaker of the present invention
Structure also includes pilot sleeve 5, and second cavity 1032 is located at the guiding groove at the middle part of pilot sleeve 5,
Pilot sleeve 5 includes the first cylindrical sleeve 51 of the bottom end of movable cavity 103 and the second cylinder of the other end
Shape sleeve 52, the end of the second cylindrical sleeve 52 is formed carries out spacing first to one end of touch spring 3
Positive stop end 103a；During installation, touch spring 3 is first set in one end of guide rod 6, one end of guide rod 6
Installed with pilot sleeve 5, being then directed to bar 6, touch spring 3 and pilot sleeve 5, loading activity is empty together
In chamber 103.The other retaining element pilot sleeve 5 of increase, the middle part of pilot sleeve is formed and guide end 61
The second cavity coordinated, one end progress that the end of the second round shape sleeve 52 is formed to touch spring 3 is spacing
First positive stop end 103a, during installation, pilot sleeve 5 enters together with guide rod 6 to the two ends of touch spring 3
It is reloaded into after row is spacing in movable cavity 103, it is quick and easy for installation.Embodiment provides a contact blade 2 in figure
It is corresponding with two guide rods 6, it is therefore apparent that contact blade 2 can also with a guide rod 6 or
Many guide rods 6 are to correspondingly.
Second of embodiment of the second cavity.Second cavity 1032 is set for the bottom of the first cavity 1031
Guiding groove, the bottom of the first cavity 1031, which is formed, carries out the first spacing limit to one end of touch spring 3
Position end 103a, during installation, touch spring 3 is first set in one end of guide rod 6, the suit contact of guide rod 6
One end of spring 3 is fitted into movable cavity 103.Second of embodiment, the directly bottom in the first cavity 1031
Portion, which is set, is oriented to groove the second cavity 1032 of formation, and such a embodiment need not increase other retaining element, into
This is low.
Such as Fig. 3, shown in 4, guide plate 7 is arranged at the upper end side that contact supports 1, guide plate 7 and contact
1 connected mode is supported to snap connection or be fastenedly connected.For example, guide plate 7 can be by fastening spiral shell
Nail supports that 1 is fastenedly connected with contact, can also support that 1 snaps connection by buckle connecting structure and contact.
Above content is to combine specific preferred embodiment further description made for the present invention, it is impossible to
Assert that the specific implementation of the present invention is confined to these explanations.For the common skill of the technical field of the invention
For art personnel, without departing from the inventive concept of the premise, some simple deduction or replace can also be made,
Protection scope of the present invention should be all considered as belonging to.
Claims (10)
1. a kind of contact mechanism of omnipotent breaker, including contact support (1), contact is pivotally mounted to
Support the contact blade (2) and touch spring (3) on (1), it is characterised in that：Multiple contact blades (2)
Contact is arranged side by side to support on (1), in addition to many guide rods (6), each touch spring (3)
One end of every guide rod (6) is set in, at least one guide rod (6) corresponds to a contact blade (2),
The contact supports that the activity of (1) provided with the one end for accommodating touch spring (3) and guide rod (6) is empty
Chamber (103), guide rod (6) compression contacts spring (3) can be moved in movable cavity (103), be led
The contact jaw (63) being engaged with contact blade (2) is provided with to the other end of bar (6)；Movable cavity (103)
Interior be provided with carries out spacing the first positive stop end (103a), guide rod (6) to one end of touch spring (3)
It is provided with and spacing the second positive stop end (62), contact blade (2) is carried out to the other end of touch spring (3)
The contact jaw (63) of touching guide rod (6) is rotated, guide rod (6) passes through compression contacts spring (3)
Contact elastic force is provided for contact blade (2).
2. the contact mechanism of omnipotent breaker according to claim 1, it is characterised in that：Also include
Spacing guide plate (7) is carried out to guide rod (6), the guide plate (7) is installed on contact and supports (1)
On, guide plate (7) is vertically arranged with guide rod (6), and the guide plate (7) is provided with guide rod (6)
The through hole (701) that passes through of contact jaw (63).
3. the contact mechanism of omnipotent breaker according to claim 1 or 2, it is characterised in that：Institute
The one end for stating guide rod (7) is provided with guide end (61), and the movable cavity (103) includes accommodating contact
The first cavity (1031) and guide rod (7) of spring (3) are stretched into leading when mobile for guide end (61)
The second cavity (1032) being play the guiding role to bar (7), first positive stop end (103a) is located at the
Between one cavity (1031) and the second cavity (1032).
4. the contact mechanism of omnipotent breaker according to claim 3, it is characterised in that：Also include
Pilot sleeve (5), second cavity (1032) is located at the guiding groove at the middle part of pilot sleeve (5),
Pilot sleeve (5) includes first cylindrical sleeve (51) and the other end of movable cavity (103) bottom end
The second cylindrical sleeve (52), the end of the second cylindrical sleeve (52) is formed to touch spring (3)
One end carry out spacing the first positive stop end (103a)；During installation, touch spring (3), which is first set in, leads
To one end of bar (6), one end and the pilot sleeve (5) of guide rod (6) are installed, and are then directed to bar
(6), touch spring (3) and pilot sleeve (5) are fitted into movable cavity (103) together.
5. the contact mechanism of omnipotent breaker according to claim 3, it is characterised in that：Described
The guiding groove that two cavitys (1032) are set for the bottom of the first cavity (1031), the first cavity (1031)
Bottom formed spacing the first positive stop end (103a) carried out to one end of touch spring (3), during installation,
Touch spring (3) is first set in one end of guide rod (6), guide rod (6) suit touch spring (3)
One end be fitted into movable cavity (103).
6. the contact mechanism of omnipotent breaker according to claim 2, it is characterised in that：Described
Two positive stop ends (62) for guide rod (6) another side wall to the circular limiting plate for extending around setting,
The side of circular limiting plate and touch spring (3) offset spacing to the other end of touch spring (3), circular
The opposite side of limiting plate coordinates spacing to guide rod (6) progress with guide plate (7).
7. the contact mechanism of omnipotent breaker according to claim 2, it is characterised in that：It is described to lead
It is one flat plate to plate (7), guide plate (7) is arranged at the upper end side that contact supports (1), is oriented to
Plate (7) supports the connected mode of (1) to snap connection or be fastenedly connected with contact.
8. the contact mechanism of omnipotent breaker according to claim 1, it is characterised in that：It is described to lead
It is insulation guide rod to bar (6).
9. the contact mechanism of omnipotent breaker according to claim 1, it is characterised in that：It is described to connect
Contravention (63) is arc surface with the end that contact blade (2) is engaged.
10. the contact mechanism of omnipotent breaker according to claim 1, it is characterised in that：It is described
Contact supports the middle part of (1) to install cavity (101) provided with contact blade, and multiple contact blades (2) are arranged side by side
Row are arranged at contact blade and installed in cavity (101), and insulating barrier is provided between two neighboring contact (2),
Multiple contact blades (2) and polylith insulating barrier are pivotably attached to contact by rotary shaft and supported on (1)；Touch
The side of one end of head piece (2) is provided with contact (201), contact jaw of the opposite side towards guide rod (6)
(63), the other end of contact blade (2) is connected with connection conductor (22), connects the another of conductor (22)
One end is connected with conductive bus bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610060421.2A CN107017136B (en) | 2016-01-28 | 2016-01-28 | Contact mechanism of universal circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610060421.2A CN107017136B (en) | 2016-01-28 | 2016-01-28 | Contact mechanism of universal circuit breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107017136A true CN107017136A (en) | 2017-08-04 |
| CN107017136B CN107017136B (en) | 2020-01-21 |
Family
ID=59439236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610060421.2A Active CN107017136B (en) | 2016-01-28 | 2016-01-28 | Contact mechanism of universal circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107017136B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111276376A (en) * | 2018-12-04 | 2020-06-12 | 上海良信电器股份有限公司 | Moving contact structure of circuit breaker |
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|---|---|---|---|---|
| KR20030083322A (en) * | 2002-04-20 | 2003-10-30 | 엘지산전 주식회사 | Current limiting apparatus of circuit breaker |
| CN101170029A (en) * | 2006-10-13 | 2008-04-30 | 伊顿公司 | Electrical switching apparatus, and housing and integral pole shaft bearing assembly therefor |
| CN201886994U (en) * | 2010-11-16 | 2011-06-29 | 浙江电器开关有限公司 | Movable contact system of universal circuit breaker |
| CN202018932U (en) * | 2011-04-28 | 2011-10-26 | 上海市电力公司 | Double-breakpoint universal breaker |
| CN205609462U (en) * | 2016-01-28 | 2016-09-28 | 浙江正泰电器股份有限公司 | Conventional circuit -breaker's contact mechanism |
-
2016
- 2016-01-28 CN CN201610060421.2A patent/CN107017136B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030083322A (en) * | 2002-04-20 | 2003-10-30 | 엘지산전 주식회사 | Current limiting apparatus of circuit breaker |
| CN101170029A (en) * | 2006-10-13 | 2008-04-30 | 伊顿公司 | Electrical switching apparatus, and housing and integral pole shaft bearing assembly therefor |
| CN201886994U (en) * | 2010-11-16 | 2011-06-29 | 浙江电器开关有限公司 | Movable contact system of universal circuit breaker |
| CN202018932U (en) * | 2011-04-28 | 2011-10-26 | 上海市电力公司 | Double-breakpoint universal breaker |
| CN205609462U (en) * | 2016-01-28 | 2016-09-28 | 浙江正泰电器股份有限公司 | Conventional circuit -breaker's contact mechanism |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111276376A (en) * | 2018-12-04 | 2020-06-12 | 上海良信电器股份有限公司 | Moving contact structure of circuit breaker |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107017136B (en) | 2020-01-21 |
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Application publication date: 20170804 Assignee: Wenzhou Zhengtai Electrical Technology Co., Ltd Assignor: Zhejiang Chint Electrics Co.,Ltd. Contract record no.: X2020330000078 Denomination of invention: Contact mechanism of universal circuit breaker Granted publication date: 20200121 License type: Common License Record date: 20201021 |