CN109801816A - The processing method and breaker of a kind of operating mechanism, operating mechanism - Google Patents
The processing method and breaker of a kind of operating mechanism, operating mechanism Download PDFInfo
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- CN109801816A CN109801816A CN201711139466.XA CN201711139466A CN109801816A CN 109801816 A CN109801816 A CN 109801816A CN 201711139466 A CN201711139466 A CN 201711139466A CN 109801816 A CN109801816 A CN 109801816A
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- operating mechanism
- snap close
- close piece
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- tripping part
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- 230000007246 mechanism Effects 0.000 title claims abstract description 42
- 238000003672 processing method Methods 0.000 title claims description 8
- 230000000694 effects Effects 0.000 claims abstract description 16
- 238000005452 bending Methods 0.000 claims description 16
- 238000005498 polishing Methods 0.000 claims description 8
- 238000005422 blasting Methods 0.000 claims description 5
- 230000009191 jumping Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004224 protection Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 244000137852 Petrea volubilis Species 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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Abstract
The present invention provides a kind of operating mechanism comprising: snap close piece is rotatably installed on lock rotary shaft；Tripping part is rotatably installed on tripping rotary shaft；Wherein, the tripping part includes a contact surface contacted with the snap close piece, and the contact surface includes curved surface.Operating mechanism provided by the invention, the face being in contact in tripping part with snap close piece is set as curved surface, to make the contact line between the tripping part and the snap close piece contact, to minimize contact area between the two, reduce mutual frictional resistance, it is easy to the tripping part and is detached from the snap close piece, reaches the technical effect for preventing fast knot phenomenon from occurring.
Description
Technical field
The present invention relates to electrical equipments, more specifically, be related to a kind of operating mechanism, operating mechanism processing method and
Breaker.
Background technique
Breaker of plastic casing is a kind of breaker with plastic insulation as crust of the device.For distributing electric energy and protection
The damage of route and power-supply device from failures such as overload, short circuits.Nowadays, as breaker of plastic casing is using more and more extensive,
People also have increasingly higher demands to the operating characteristics of breaker of plastic casing.
The operating mechanism of the breaker of plastic casing component part important as breaker of plastic casing, to realize breaker of plastic casing
Combined floodgate, separating brake and various protections.Overload fault occurs for the route locating for the breaker, and bimetal leaf heated bending pushes draw bar
It is rotated clockwise it, makes to detain rotation releasable catch again, lock rotation release tripping, product automatically jumping.Overload is anti-
When time limit protection feature, breaker overload or factory overload test, overload heater element is heated to be bent bimetal leaf, pushes traction
Bar slowly rotates, and pushes to detain being progressively smaller until and separate with the overlap joint size latched again, product automatically jumping.
But in the prior art, due to reasons in structure, appearance is detained again slowly to be separated with lock, but is latched and released without rotation
Put tripping, lock is not separated by the fast knot phenomenon for also keeping overlap joint state with tripping, this fast knot be it is intermittent, there are accidents
Hidden danger, it is serious also to will cause safety accident.Moreover, closing position product main spring pulling force is very big, due to the mistake of automatically jumping
Spring releases the vibration of energy in journey, the problem of latch spring is easy to fall off occurs, if changing the installation circular hole size of latch spring
Although latch spring can be made not easily to fall off, since structure limits, the bad assembly of spring.As only increased latch spring power, can increase
The tripping force of big breaker.In view of the above-mentioned problems, at present without effective solution method.
So user needs a kind of operating mechanism and breaker for preventing tripping and latching fast knot.
Summary of the invention
The technical problem to be solved in the present invention is that provide one kind can effectively prevent tripping and lock fast knot, and reliability and
The higher operating mechanism of stability, to overcome the defect in the prior art.
To achieve the goals above, the present invention provides a kind of operating mechanism comprising: snap close piece is rotatably installed on
Latch rotary shaft；Tripping part is rotatably installed on tripping rotary shaft；Wherein, the tripping part includes one and the snap close piece
The contact surface of contact, the contact surface include curved surface.
In one embodiment of the invention, the tripping part includes a corner contacted with the snap close piece, the corner
Including fillet.
In one embodiment of the invention, the operating mechanism includes: latch spring, is placed in the lock rotary shaft,
And it includes first spring arm；The end of the first spring arm is equipped with the first bending part for connecting the snap close piece；Described
One spring arm and first bending part form the first interior angle, and the angular range of first interior angle is 90 °~113 °.
In one embodiment of the invention, first interior angle is close to right angle.
In one embodiment of the invention, the latch spring includes second spring arm, the end of the second spring arm
The second bending part equipped with draw bar connection；The second spring arm passes through an arc interconnecting piece phase with second bending part
Even；Wherein, the radius of the arc interconnecting piece is greater than 0.5mm.
In one embodiment of the invention, the first spring arm and second spring arm the second interior angle of formation, described second
Interior angle is less than 172 °.
In one embodiment of the invention, the latch spring includes torsional spring.
In one embodiment of the invention, the operating mechanism includes again fastener, button spring and detains rotary shaft again again；Institute
It states fastener again and button spring is rotatably installed on and described detains rotary shaft again again.
In one embodiment of the invention, the snap close piece includes a card slot, for engaging with the tripping part, and the jump
The face contacted in fastener with the card slot is the curved surface；The fastener again includes a stop surface, positioned at the work of the tripping part
On dynamic path；The tripping part is rotated by preset path, is originated in the card slot and is terminated at the stop surface.
In one embodiment of the invention, the curved surface is equipped with the polishing trace extended along preset direction；The default side
It is consistent to activity direction when leaving the snap close piece with the tripping part.
In one embodiment of the invention, the curved surface and/or corner are equipped with the polishing trace extended along preset direction；Institute
Activity direction when preset direction leaves the snap close piece with the tripping part is stated to be consistent.
To achieve the goals above, the present invention provides a kind of processing method of operating mechanism, is used for breaker comprising:
The first surface of tripping part is processed by shot blasting along preset direction, to form the sleek extended along the preset direction
Mark；Wherein, the first surface is in contact with snap close piece and is detached from the lock for curved surface, the preset direction and the tripping part
Activity direction when fastener is consistent.
In one embodiment of the invention, the tripping part includes a corner being in contact with the snap close piece, to described
The surface in corner is processed by shot blasting along the preset direction.
To achieve the goals above, the present invention provides a kind of breaker, including the operating mechanism.
As described above, operating mechanism of the present invention, has the advantages that operating mechanism provided by the invention,
The face being in contact in tripping part with snap close piece is set as curved surface, to make the contact between the tripping part and the snap close piece
Line contact, to minimize contact area between the two, reduces mutual frictional resistance, is easy to the tripping part and is detached from
The snap close piece reaches the technical effect for preventing fast knot phenomenon from occurring.
Detailed description of the invention
Fig. 1 is shown as the schematic diagram of the operating mechanism in one embodiment of the invention.
Fig. 2 is shown as the schematic diagram of the tripping part in one embodiment of the invention.
Fig. 3 is shown as the schematic diagram of the lock torsion spring in one embodiment of the invention
Component label instructions
1 operating mechanism
11 tripping parts
The first end of 111 tripping parts
111a contact surface
The corner 111b
12 snap close pieces
121 card slots
13 fasteners again
131 stop surfaces
14 tripping rotary shafts
15 lock rotary shafts 15
16 detain rotary shaft 16 again
3 latch springs
31 first spring arms
32 second spring arms
33 first bending parts 33
34 second bending parts 34
35 first interior angles 35
36 arc interconnecting pieces 36
37 second interior angles 37
The direction A
The direction B
The direction C
R radius
Specific embodiment
Embodiments of the present invention are illustrated by particular specific embodiment below, those skilled in the art can be by this explanation
Content disclosed by book is understood other advantages and efficacy of the present invention easily.
It should be clear that this specification structure depicted in this specification institute accompanying drawings, ratio, size etc., only to cooperate specification to be taken off
The content shown is not intended to limit the invention enforceable qualifications so that those skilled in the art understands and reads, therefore
Do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size are not influencing the present invention
Under the effect of can be generated and the purpose that can reach, it should all still fall in disclosed technology contents and obtain the model that can cover
In enclosing.Meanwhile in this specification cited such as "upper", "lower", "left", "right", " centre " term, be merely convenient to chat
That states is illustrated, rather than to limit the scope of the invention, relativeness is altered or modified, and is changing skill without essence
It is held in art, when being also considered as the enforceable scope of the present invention.
The present invention provides the processing method and breaker of a kind of operating mechanism, operating mechanism, for preventing again fastener and lock
When fastener is detached from, tripping part can not still deviate from the fast knot phenomenon of snap close piece.
As shown in Figure 1, illustrating the operating mechanism 1 in one embodiment of the invention.The operating mechanism 1 includes tripping part
11, snap close piece 12 and again fastener 13.The tripping part is rotatably installed on tripping rotary shaft 14, and the snap close piece can be rotated
Ground is installed on lock rotary shaft 15, and the fastener again 13 is rotatably installed on detains rotary shaft 16 again.
As shown in Fig. 2, showing the tripping part 11 in one embodiment of the invention comprising first end 111.Described first
The tripping part 11 is limited in the snap close piece 12 for being inserted into the card slot 121 of the snap close piece 12 by end.Wherein, institute
It states first end 111 and is equipped with contact surface 111a and corner 111b, it is described when the first end 111 is inserted in the card slot 121
Contact surface 111a is in contact with the inner surface of the card slot 121, and the corner 111b passes through the card slot 121 and exposed
In the card slot 121.Those skilled in the art from the discussion above in it should also be understood that the card slot 121 in the present embodiment
It is hollow structure, so that the corner 111b is passed through；In other examples, the card slot 121 is also possible to non-hollow
Structure, which is not limited by the present invention.
In conjunction with Fig. 1 and Fig. 2 it is found that when the operating mechanism 1 of breaker is in "on" position, the tripping part 11, snap close piece
12, and following relationship is between fastener 13 again: the fastener again 13 is resisted against the upper end of the snap close piece 12 to provide one
A backstop power contrary with arrow B in Fig. 1, deformation occurs and provides edge to the snap close piece 12 for latch spring (not shown)
The restoring force in the direction the arrow B, therefore the snap close piece 12 is under the collective effect of the fastener again 13 and the latch spring
Maintain state as show in Figure 1.The first end 111 of the tripping part 11 inserts in the card slot 121 of the snap close piece 12, institute
State card slot 121 provide a backstop power contrary with the arrow A in Fig. 1, tripping spring (not shown) deformation occurs and to
The tripping part 11 provides the restoring force along the direction the arrow A, therefore the tripping part 11 is in the snap close piece 12 and the jump
State as show in Figure 1 is maintained under the collective effect of button spring.
It should be noted that the tripping spring or latch spring, type that refer in the present invention can be torsional spring,
Compressed spring or extension spring etc..
When the operating mechanism of breaker overloads, the tripping part 11, snap close piece 12, and again between fastener 13 in such as
Under relationship: bimetal leaf (not shown) generates bending deformation due to overloading heated, and the screw being provided thereon is driven to generate shifting
It is dynamic；The screw generates the pressing force for pressing draw bar (not shown) in moving process, to be driven by the draw bar
To detain the arrow C along Fig. 1 of rotary shaft 16 again signified rotationally clockwise around described for the fastener again 13.Fastener 13 again
In the course of rotation, it is produced relative sliding between the snap close piece 12, and contact surface 111a product between the two is with phase
Sliding is constantly reduced, until the two is kept completely separate.
After the snap close piece 12 is detached from the fastener 13 again, under the action of the restoring force of the latch spring, along Fig. 1
Middle arrow B is signified rotationally clockwise, and the first end with the tripping part 11 produces relative sliding during rotation.
Specifically, the contact surface 111a of the first end is along the inner surface of the card slot 121 towards being detached from the snap close piece 12
Direction sliding；As the contact surface 111a progressively disengages the card slot 121, the corner of the card slot 121 is exposed to
111b is progressed into the card slot 121, and along the inner surface of the card slot 121 towards the direction for being detached from the snap close piece 12
Sliding；Until the tripping part 11 is detached from the snap close piece 12 when the corner 111b and the card slot 121 are completely separable.Institute
It states after tripping part 11 is detached from the snap close piece 12, under the action of the restoring force of the tripping spring, arrow A is signified along Fig. 1
Rotate in an anti-clockwise direction, until terminating at the stop surface 131 with the touching of the stop surface 131 of the fastener again 13.
Optionally, in one embodiment, the contact surface 111a is curved surface, to make the tripping part 11 and the lock
Contact between part 12 is line contact, to minimize contact area between the two, reduces mutual frictional resistance, easily
It is detached from the snap close piece 12 in the tripping part 11, reaches the technical effect for preventing fast knot phenomenon from occurring.Those skilled in the art
It should also be understood that the curved surface is the face of an evagination, slided to be conducive to the tripping part 11 relative to the snap close piece 12
Until deviating from the snap close piece 12.
Optionally, in one embodiment, the corner 111b is a fillet.The fillet reduces the corner 111b and card
Frictional resistance between 121 inner surface of slot is easy to the tripping part 11 and is detached from the snap close piece 12, and reaching prevents fast knot phenomenon from sending out
Raw technical effect.
As shown in figure 3, showing the schematic diagram of latch spring 3 described in one embodiment of the invention.The latch spring is placed on
In the lock rotary shaft 15, both ends are separately connected the snap close piece 12 and draw bar.The latch spring includes: the first bullet
Spring arm 31, second spring arm 32, the first bending part 33, the second bending part 34.Wherein, first bending part 33 is for connecting institute
Snap close piece 12 is stated, is set to the end of the first spring arm 31, and form the first interior angle 35 with the first spring arm 31；Institute
The second bending part 34 is stated for connecting the draw bar, is set to the end in the second spring portion, and with the second spring
Portion is connected by an arc interconnecting piece 36；The first spring arm 31 forms the second interior angle 37 with second spring arm 32.
Optionally, in one embodiment, the angular configurations range of first interior angle 35 is 90 °~113 °, to increase
The restoring force of snap close piece 12 is stated, has effectively evaded the latch spring 3 during automatically jumping occurs for breaker, because of spring
There is the problem of latch spring 3 falls off in the vibration for releasing energy；At the same time, biggish restoring force further prevents the dead of breaker
Detain the generation of phenomenon.
Preferably, the angle of first interior angle 35 is close to right angle, such as 90 °, and 95 ° etc., to farthest increase
The restoring force of the big snap close piece 12, prevents latch spring 3 from falling off because of vibration, while it is existing to prevent breaker from fast knot occurs
As.
Optionally, in one embodiment, the corresponding radius R of the arc interconnecting piece 36 is greater than 0.5mm, such as radius R takes
The arc interconnecting piece 36 of the numerical value such as 0.8mm, 1mm, large radius is realized and the more stable connection of the draw bar, thus more effectively
Evade the latch spring 3 during automatically jumping occurs for breaker, is taken off because latch spring 3 occurs in the vibration that spring releases energy
The problem of falling.
Optionally, in one embodiment, second interior angle 37 is less than 172 °.Because of the first spring arm 31 and the second bullet
The excessive restoring force that will affect spring of the angle of spring arm 32, so the angular range for second interior angle 37 that the present invention selectes is most
The restoring force for increasing to big degree the snap close piece 12, prevents latch spring 3 from falling off because of vibration, while preventing breaker
Fast knot phenomenon occurs.
Optionally, in one embodiment, in the contact surface 111a of the tripping part 11, or in the table of the corner 111b
Face, or multiple polishing traces (not shown) are equipped on the surface of the contact surface 111a and corner 111b simultaneously；The throwing
The extending direction of light trace is that activity direction when leaving the snap close piece 12 with the tripping part 11 is consistent.The present invention will
The polishing trace is set as the active path along the tripping part 11, to reduce frictional resistance, makes the tripping part 11
It is easier to be detached from the snap close piece 12, snap close piece 12 shows with the fast knot that tripping part 11 can not separate when preventing breaker from breaking down
As.
The contact surface 111a of the tripping part 11 is equipped with multiple polishing traces, specific processing method are as follows: along default side
To the tripping part 11 contact surface 111a and/or corner 111b be processed by shot blasting.Wherein, the preset direction is and institute
Activity direction when tripping part 11 leaves the snap close piece 12 is stated to be consistent；The tool of polishing treatment, such as can be cloth sand
Wheel, sand paper or dismembyator etc..
The present invention also provides a kind of breakers, include the operating mechanism 1.The breaker is to refer to close, hold
It carries and cut-offs the electric current under normal loop condition and can close, carry before the deadline and cut-off under abnormal loop condition
A kind of switching device of electric current.The embodiment of operating mechanism described in the specific embodiment and above content of the breaker
It is similar, therefore details are not described herein again.
In conclusion the present invention effectively overcomes various shortcoming in the prior art and has high industrial utilization value.
The above-described embodiments merely illustrate the principles and effects of the present invention, and is not intended to limit the present invention.It is any ripe
The personage for knowing this technology all without departing from the spirit and scope of the present invention, carries out modifications and changes to above-described embodiment.Cause
This, institute is complete without departing from the spirit and technical ideas disclosed in the present invention by those of ordinary skill in the art such as
At all equivalent modifications or change, should be covered by the claims of the present invention.
Claims (14)
1. a kind of operating mechanism, which is characterized in that be used for breaker comprising:
Snap close piece is rotatably installed on lock rotary shaft；
Tripping part is rotatably installed on tripping rotary shaft；
Wherein, the tripping part includes a contact surface contacted with the snap close piece, and the contact surface includes curved surface.
2. operating mechanism according to claim 1, which is characterized in that the tripping part is contacted including one with the snap close piece
Corner, the corner includes fillet.
3. operating mechanism according to claim 1 characterized by comprising latch spring is placed on the lock rotary shaft
On, and it includes first spring arm；The end of the first spring arm is equipped with the first bending part for connecting the snap close piece；It is described
First spring arm and first bending part form the first interior angle, and the angular range of first interior angle is 90 °~113 °.
4. operating mechanism according to claim 3, which is characterized in that first interior angle is close to right angle.
5. operating mechanism according to claim 3, which is characterized in that the latch spring includes second spring arm, described
The end of second spring arm is equipped with the second bending part of draw bar connection；The second spring arm passes through with second bending part
One arc interconnecting piece is connected；Wherein, the radius of the arc interconnecting piece is greater than 0.5mm.
6. operating mechanism according to claim 3, which is characterized in that the first spring arm and second spring arm form the
Two interior angles, second interior angle is less than 172 °.
7. the operating mechanism according to any one of claim 3~6, it is characterised in that: the latch spring includes turning round
Spring.
8. operating mechanism according to claim 1 characterized by comprising
Again fastener, button spring and detain rotary shaft again again；The fastener again and again button spring detain rotation described in being rotatably installed on again
Shaft.
9. operating mechanism according to claim 8, which is characterized in that the snap close piece include a card slot, for the jump
Fastener engaging, and the face contacted in the tripping part with the card slot is the curved surface；The fastener again includes a stop surface, position
In on the active path of the tripping part；The tripping part is rotated by preset path, is originated in the card slot and is terminated at described
Stop surface.
10. operating mechanism according to claim 1, which is characterized in that the curved surface is equipped with the throwing extended along preset direction
Light trace；The activity direction when preset direction leaves the snap close piece with the tripping part is consistent.
11. operating mechanism according to claim 2, which is characterized in that the curved surface and/or corner are equipped with along preset direction
The polishing trace of extension；The activity direction when preset direction leaves the snap close piece with the tripping part is consistent.
12. a kind of processing method of operating mechanism, which is characterized in that be used for breaker comprising:
The first surface of tripping part is processed by shot blasting along preset direction, to form the polishing extended along the preset direction
Trace；Wherein, the first surface is in contact with snap close piece and for curved surface, described in the preset direction and the tripping part are detached from
Activity direction when snap close piece is consistent.
13. the processing method of operating mechanism according to claim 12, which is characterized in that the tripping part includes one and institute
The corner that snap close piece is in contact is stated, the surface in the corner is processed by shot blasting along the preset direction.
14. a kind of breaker, which is characterized in that including the operating mechanism as described in any one of claim 1~11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711139466.XA CN109801816A (en) | 2017-11-16 | 2017-11-16 | The processing method and breaker of a kind of operating mechanism, operating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711139466.XA CN109801816A (en) | 2017-11-16 | 2017-11-16 | The processing method and breaker of a kind of operating mechanism, operating mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109801816A true CN109801816A (en) | 2019-05-24 |
Family
ID=66555689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711139466.XA Pending CN109801816A (en) | 2017-11-16 | 2017-11-16 | The processing method and breaker of a kind of operating mechanism, operating mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109801816A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4888570A (en) * | 1987-05-18 | 1989-12-19 | Mitsubishi Denki Kabushiki Kaisha | Circuit breaker |
| DE4227213A1 (en) * | 1992-08-17 | 1994-02-24 | Kloeckner Moeller Gmbh | Switch lock for a circuit breaker |
| CN202018934U (en) * | 2011-03-07 | 2011-10-26 | 法泰电器（江苏）股份有限公司 | Selective protection switch operating mechanism |
| CN202405200U (en) * | 2011-12-29 | 2012-08-29 | 上海良信电器股份有限公司 | Breaker mechanism |
| CN202695344U (en) * | 2012-07-06 | 2013-01-23 | 上海良信电器股份有限公司 | Breaker with balanced type control mechanisms |
| CN203038876U (en) * | 2012-12-28 | 2013-07-03 | 常熟开关制造有限公司(原常熟开关厂） | Circuit breaker operating mechanism with alarm signal triggering device |
| CN103337424A (en) * | 2013-06-19 | 2013-10-02 | 邳州市国龙电器有限公司 | Permanent magnet tripping device |
| CN204497168U (en) * | 2015-04-11 | 2015-07-22 | 派森特电气有限公司 | Operating Mechanism of Circuit Breaker |
| CN204558390U (en) * | 2015-04-28 | 2015-08-12 | 浙江丰源电器配件有限公司 | Tripping device for circuit breaker |
| CN204905186U (en) * | 2015-09-10 | 2015-12-23 | 乐清市嘉菱电器有限公司 | Moulded case circuit breaker detains again |
| CN205004288U (en) * | 2015-10-26 | 2016-01-27 | 浙江精开电气有限公司 | Snap close piece in circuit breaker and be used for jumping with this snap close piece complex and buckle |
| CN106158530A (en) * | 2015-04-28 | 2016-11-23 | 上海电科电器科技有限公司 | The secondary latch buckle mechanism of the operating mechanism of chopper |
-
2017
- 2017-11-16 CN CN201711139466.XA patent/CN109801816A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4888570A (en) * | 1987-05-18 | 1989-12-19 | Mitsubishi Denki Kabushiki Kaisha | Circuit breaker |
| DE4227213A1 (en) * | 1992-08-17 | 1994-02-24 | Kloeckner Moeller Gmbh | Switch lock for a circuit breaker |
| CN202018934U (en) * | 2011-03-07 | 2011-10-26 | 法泰电器（江苏）股份有限公司 | Selective protection switch operating mechanism |
| CN202405200U (en) * | 2011-12-29 | 2012-08-29 | 上海良信电器股份有限公司 | Breaker mechanism |
| CN202695344U (en) * | 2012-07-06 | 2013-01-23 | 上海良信电器股份有限公司 | Breaker with balanced type control mechanisms |
| CN203038876U (en) * | 2012-12-28 | 2013-07-03 | 常熟开关制造有限公司(原常熟开关厂） | Circuit breaker operating mechanism with alarm signal triggering device |
| CN103337424A (en) * | 2013-06-19 | 2013-10-02 | 邳州市国龙电器有限公司 | Permanent magnet tripping device |
| CN204497168U (en) * | 2015-04-11 | 2015-07-22 | 派森特电气有限公司 | Operating Mechanism of Circuit Breaker |
| CN204558390U (en) * | 2015-04-28 | 2015-08-12 | 浙江丰源电器配件有限公司 | Tripping device for circuit breaker |
| CN106158530A (en) * | 2015-04-28 | 2016-11-23 | 上海电科电器科技有限公司 | The secondary latch buckle mechanism of the operating mechanism of chopper |
| CN204905186U (en) * | 2015-09-10 | 2015-12-23 | 乐清市嘉菱电器有限公司 | Moulded case circuit breaker detains again |
| CN205004288U (en) * | 2015-10-26 | 2016-01-27 | 浙江精开电气有限公司 | Snap close piece in circuit breaker and be used for jumping with this snap close piece complex and buckle |
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Application publication date: 20190524 |
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| RJ01 | Rejection of invention patent application after publication |