CN206602091U - Feeler lever mechanism and circuit breaker - Google Patents
Feeler lever mechanism and circuit breaker Download PDFInfo
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- CN206602091U CN206602091U CN201720377420.0U CN201720377420U CN206602091U CN 206602091 U CN206602091 U CN 206602091U CN 201720377420 U CN201720377420 U CN 201720377420U CN 206602091 U CN206602091 U CN 206602091U
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- 230000007246 mechanism Effects 0.000 title claims abstract description 69
- 238000010891 electric arc Methods 0.000 description 12
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- 230000000694 effects Effects 0.000 description 6
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- 230000008569 process Effects 0.000 description 6
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
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- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
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Abstract
The utility model provides a feeler lever mechanism and circuit breaker belongs to electrical apparatus technical field. The feeler lever mechanism comprises a feeler lever piece and a butting piece, the feeler lever piece is provided with a second contact used for contacting the first contact, the feeler lever piece is rotatably connected to the shell around the rotating axial lead and the second contact can be close to or far away from the first contact, the butting piece is connected with the tripping device and comprises a first butting part, the feeler lever piece comprises a second butting part used for butting the first butting part, and the second butting part is positioned between the rotating axial lead and the second contact. Through the linkage fit relation of the abutting part and the contact rod piece, after the breaking, the distance between the two contacts is greatly increased, the generation rate of electric arcs is reduced, or the generated electric arcs can be quickly extinguished, and the breaking capacity of the electric arcs is greatly improved. The circuit breaker comprises the above mentioned feeler lever mechanism, which has all the functions of the feeler lever mechanism.
Description
Technical field
The utility model is related to technical field of electric appliances, in particular to a kind of feeler lever mechanism and breaker.
Background technology
Breaker：Can turn on, carry and disjunction normal circuit under the conditions of electric current, also can be in defined improper circuit
Under the conditions of connect, carrying certain time and breaking current a kind of mechanical switch electrical equipment.
Miniature circuit breaker, abbreviation MCB (Micro Circuit Breaker), is during architectural electricity terminal power distribution draws
A kind of most popular terminal protection electrical equipment.Single-phase, three-phase short circuit, overload, overvoltage for below 125A etc. are protected, bag
Include four kinds of monopole 1P, two pole 2P, three pole 3P, quadrupole 4P etc..
Inventor has found that traditional breaker at least has the following disadvantages under study for action：
Electric arc is easily produced at contact, and is difficult to extinguish；
Using effect is poor.
Utility model content
The purpose of this utility model is the provision of a kind of feeler lever mechanism, improves the deficiencies in the prior art, it can pass through
The relation that is linked of fitting and feeler lever part, when trip gear is rotated, drives fitting to rotate so that the second of feeler lever part
Contact can contact the first contact, because second abutting part is between rotational axis line and the second contact, after disjunction,
The spacing between second contact and the first contact is considerably increased, the generation rate of electric arc, or the arc energy produced is reduced
Enough quick extinguishings, substantially increase its breaking capacity.Its is reasonable in design, and mechanism is compact, and market application potential is huge.
Another object of the present utility model is the provision of a kind of breaker, and it includes feeler lever mechanism mentioned above, its
Repertoire with the feeler lever mechanism.
What embodiment of the present utility model was realized in：
Embodiment of the present utility model provides a kind of feeler lever mechanism, and for breaker, breaker has housing and dropout
Device, trip gear is rotatablely connected with housing, and housing has the first contact, and feeler lever mechanism includes feeler lever part and fitting,
Feeler lever part has the second contact for being used for contacting the first contact, and feeler lever part is rotatablely connected with housing and the around rotational axis line
Two contacts can be connected closer or far from the first contact, fitting with trip gear, and fitting includes the first abutting part, feeler lever part
Including the second abutting part for abutting the first abutting part, the second abutting portion is between rotational axis line and the second contact.
Specifically, the feeler lever mechanism can be by the relation that is linked of fitting and feeler lever part, when trip gear is rotated
When, drive fitting to rotate so that the second contact of feeler lever part can contact the first contact, because second abutting part is to be located at
Between rotational axis line and the second contact, after disjunction, the spacing between second contact and the first contact is considerably increased, is subtracted
Lack the generation rate of electric arc, or the electric arc produced can quickly extinguish, and substantially increase its breaking capacity.Its is reasonable in design,
Mechanism is compact, and market application potential is huge.
Optionally, the second abutting part relative to the second contact close to rotational axis line.
Optionally, feeler lever part also includes extension, and extension is connected with the second abutting part, and extension is in the second abutting part
Obtuse angle.
Optionally, feeler lever part also includes clamping part, and clamping part is used to clamp contact, and the second contact is located on contact, clamping
Portion is connected with extension and positioned at one end away from the second abutting part of extension.
Optionally, clamping part and extension are in obtuse angle and contact is located at the side away from the second abutting part of clamping part.
Optionally, feeler lever mechanism also includes the first return unit, and the first return unit is connected with housing, and the first return unit makes second
Contact has the movement tendency close to the first contact, and the first abutting portion is between the first contact and the second abutting part.
Optionally, feeler lever part is provided with first connecting portion, and first connecting portion is located at center of rotation respectively with the second abutting part
The both sides of line, one end of the first return unit is connected with housing, and the other end of the first return unit is connected with first connecting portion.
Optionally, feeler lever mechanism also includes the second return unit, and the second return unit is connected with housing, and the second return unit makes second
Contact has the movement tendency away from the first contact, and the first abutting portion is in the side away from the first contact of the second abutting part.
Optionally, feeler lever part is provided with second connecting portion, and second connecting portion is located at remote first contact of the second abutting part
Side, one end of the second return unit is connected with housing, and the other end of the second return unit is connected with second connecting portion.
Embodiment of the present utility model additionally provides a kind of breaker, and it includes feeler lever mechanism mentioned above, and it has
The repertoire of the feeler lever mechanism.
Compared with prior art, the beneficial effect of the utility model embodiment is：
In summary, the feeler lever mechanism can be by the relation that is linked of fitting and feeler lever part, when trip gear turns
When dynamic, fitting is driven to rotate so that the second contact of feeler lever part can contact the first contact, because second abutting part is position
Between rotational axis line and the second contact, after disjunction, the spacing between second contact and the first contact is considerably increased,
The generation rate of electric arc is reduced, or the electric arc produced can quickly extinguish, and substantially increase its breaking capacity.It, which is designed, closes
Reason, mechanism is compact, and market application potential is huge.
Brief description of the drawings
In order to illustrate more clearly of the technical scheme of the utility model embodiment, it will use below required in embodiment
Accompanying drawing be briefly described, it will be appreciated that the following drawings illustrate only some embodiments of the present utility model, therefore should not be by
Regard the restriction to scope as, for those of ordinary skill in the art, on the premise of not paying creative work, may be used also
To obtain other related accompanying drawings according to these accompanying drawings.
Fig. 1 is the schematic diagram under the first visual angle of the breaker that the utility model embodiment 1 is provided；
Fig. 2 is the schematic diagram under the second visual angle of the breaker shown in Fig. 1；
Fig. 3 is the schematic diagram of the feeler lever part shown in Fig. 1；
Fig. 4 is the schematic diagram of the first feeler lever mechanism shown in Fig. 1；
Fig. 5 is the schematic diagram for second of feeler lever mechanism that the utility model embodiment 2 is provided；
Fig. 6 is the schematic diagram for the third feeler lever mechanism that the utility model embodiment 3 is provided；
Fig. 7 is the schematic diagram for the 4th kind of feeler lever mechanism that the utility model embodiment 4 is provided；
Fig. 8 is the schematic diagram under the first state for the breaker that the utility model embodiment 5 is provided；
Fig. 9 is the schematic diagram under the second state of the breaker that the utility model embodiment 5 is provided；
Figure 10 is the schematic diagram under the third state for the breaker that the utility model embodiment 5 is provided.
Icon：100- breakers；101- housings；10- spanners；20- driving members；30- trip gears；31- bodies；32- takes off
Fastener；33- fine motion parts；40- feeler levers mechanism；41- fittings；The abutting parts of 411- first；42- feeler lever parts；420- rotating shafts；421-
Two contacts；The abutting parts of 422- second；423- extensions；424- clamping parts；425- contacts；426- first connecting portions；427- second
Connecting portion；The return units of 431- first；The return units of 432- second；The contacts of 50- first；60- sensors；70- electromagnetic mechanisms.
Embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Accompanying drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that retouched
The embodiment stated is a part of embodiment of the utility model, rather than whole embodiments.Generally here described in accompanying drawing and
The component of the utility model embodiment shown can be arranged and designed with a variety of configurations.
Therefore, the detailed description of embodiment of the present utility model below to providing in the accompanying drawings is not intended to limit requirement
The scope of the present utility model of protection, but it is merely representative of selected embodiment of the present utility model.Based in the utility model
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, all
Belong to the scope of the utility model protection.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined in individual accompanying drawing, then it further need not be defined and explained in subsequent accompanying drawing.
, it is necessary to explanation in description of the present utility model, term " " center ", " on ", " under ", it is "left", "right", " perpendicular
Directly ", the orientation or position relationship of the instruction such as " level ", " interior ", " outer " be based on orientation shown in the drawings or position relationship, or
It is the orientation or position relationship usually put when the utility model product is used, is for only for ease of description the utility model and letter
Change description, rather than indicate or imply signified device or element must have specific orientation, with specific azimuth configuration and
Operation, therefore it is not intended that to limitation of the present utility model.In addition, term " first ", " second ", " the 3rd " etc. are only used for area
Divide description, and it is not intended that indicating or implying relative importance.
In addition, the term such as term " level ", " vertical ", " pendency " is not offered as requiring part abswolute level or pendency, and
It is to be slightly tilted.As " level " only refers to that its direction, with respect to more level for " vertical ", is not the expression structure
Must be fully horizontal, but can be slightly tilted.
In description of the present utility model, in addition it is also necessary to which explanation, unless otherwise clearly defined and limited, term " are set
Put ", " installation ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected,
Or be integrally connected；Can be mechanical connection or electrical connection；Can be joined directly together, intermediary can also be passed through
It is indirectly connected to, can is the connection of two element internals.For the ordinary skill in the art, it can be managed with concrete condition
Solve concrete meaning of the above-mentioned term in the utility model.
Embodiment 1
Fig. 1 and Fig. 2 are refer to, a kind of feeler lever mechanism 40 is present embodiments provided, for breaker 100, breaker 100 has
There are housing 101 and trip gear 30, trip gear 30 is rotatablely connected with housing 101, and housing 101 has the first contact 50,
Feeler lever mechanism 40 includes feeler lever part 42 and fitting 41, and feeler lever part 42 has the second contact 421 for being used for contacting the first contact 50,
Feeler lever part 42 is rotatablely connected with housing 101 around rotational axis line and the second contact 421 can be closer or far from the first contact
50, fitting 41 is connected with trip gear 30, and fitting 41 includes the first abutting part 411, and feeler lever part 42 includes being used to abut the
Second abutting part 422 of one abutting part 411, the second abutting part 422 is located between rotational axis line and the second contact 421.
The structure of breaker 100 may be referred to Fig. 1 and Fig. 2, and breaker 100 includes spanner 10, driving member 20, trip gear
30th, feeler lever mechanism 40, sensor 60, electromagnetic mechanism 70.
Trip gear 30 includes body 31, dropout part 32 and fine motion part 33.Pass through driving member between body 31 and spanner 10
20 connections, spanner 10, driving member 20, body 31 and housing 101 constitute four-bar mechanism, when spanner 10 is rotated, and drive driving member
20 so that body 31 is rotated.Dropout part 32 is fixedly connected or is integrally formed with body 31, and fine motion part 33 is rotatablely connected with this
During body 31, combined floodgate, fine motion part 33 abuts fastening with dropout part 32 all the time.When needing disjunction, fine motion part 33 comes off, body
31, due to being also associated with back-moving spring between housing 101, in the presence of back-moving spring, realize separating brake.
Specific principle is that after spanner 10 closes a floodgate, the first contact 50 contacts and electrically connected, fine motion with the second contact 421
Part 33 abuts electromagnetic mechanism 70, and the detection of sensor 60 is by electric current, when reaching that electromagnetic mechanism 70 promotes fine motion part when needing disjunction
33, fine motion part 33 is departed from relative to dropout part 32, spanner 10 resets, the first contact 50 and the second contact 421 are remote, realize and divide
Disconnected function.
Explanation is needed exist for, the fitting 41 is connected with body 31, can use and be fixedly connected, it would however also be possible to employ turn
Dynamic connection, the fitting 41 can also be the part that body 31 extends, that is to say, that the fitting 41 can also be and body
31 are integrally formed.
Specifically, the feeler lever mechanism 40 can be by the relation that is linked of fitting 41 and feeler lever part 42, when dress of threading off
When putting 30 rotation, fitting 41 is driven to rotate so that the second contact 421 of feeler lever part 42 can contact the first contact 50, due to
Second abutting part 422 be located between rotational axis line and the second contact 421, after disjunction, considerably increase this second touch
Spacing between the contact 50 of point 421 and first, reduces the generation rate of electric arc, or the electric arc produced can quickly extinguish, greatly
Its breaking capacity is improved greatly.Its is reasonable in design, and mechanism is compact, and market application potential is huge.
Fig. 3 is refer to, in order that those skilled in the art are clearer to understand the present embodiment, feeler lever part 42 is carried out below
Describe in detail.
Rotating shaft 420 is provided with feeler lever part 42, feeler lever part 42 is realized rotatably by rotating shaft 420 and housing 101, feeler lever part
42 rotational axis line is in the rotating shaft 420.
Optionally, the second abutting part 422 relative to the second contact 421 close to rotational axis line.
By lever principle, when the second abutting part 422 is relative to close to rotating shaft 420, fitting 41 rotates less model
Enclose, one end away from rotating shaft 420 on feeler lever part 42 can be made to rotate larger scope.That is, it is possible to achieve the first contact
50 and second have larger disjunction spacing between contact 421.There was only 5mm relative to disjunction spacing of the prior art, this is touched
Linkage 40 can realize the disjunction spacing ＞ 20mm between the first contact 50 and the second contact 421.The mechanism avoids electric arc
Generation, or cause produce electric arc extinguish immediately, substantially increase its breaking capacity.Overall using effect is preferable.
Optionally, feeler lever part 42 also includes extension 423, and extension 423 is connected with the second abutting part 422, extension 423
With the second abutting part 422 in obtuse angle.
That is, the extension 423 can help the second contact 421 away from the second abutting part 422.
Optionally, feeler lever part 42 also includes clamping part 424, and clamping part 424 is used to clamp contact 425, the second contact 421
In on contact 425, clamping part 424 is connected with extension 423 and positioned at one end away from the second abutting part 422 of extension 423.
Contact 425 is arranged in clamping part 424, maintenance easy to disassemble etc..
Optionally, clamping part 424 with extension 423 in obtuse angle and contact 425 is located at abutting away from second for clamping part 424
The side in portion 422.
That is, whole feeler lever part 42 is in Z-shaped, it using the design of bending, can realize during combined floodgate, touch
First 425 can be directed at the first contact 50, realize effective contact.And during separating brake, contact 425 is not in alignment with first and touched
Point 50, its breaking capacity can be greatly improved.
Fig. 4 is refer to, optionally, feeler lever mechanism 40 also includes the first return unit 431, the first return unit 431 and housing 101
Connection, the first return unit 431 makes the second contact 421 have the movement tendency close to the first contact 50, and the first abutting part 411 is located at
Between first contact 50 and the second abutting part 422.
By the effect of the first return unit 431, realize that the second contact 421 has the movement tendency close to the first contact 50.
It is the state between closing a floodgate shown in figure, that is, the state after separating brake, under the withstanding effect of fitting 41, realize the
Two contacts 421 are away from the first contact 50.
Return unit includes spring, elastic drag rope, shell fragment.
Optionally, feeler lever part 42 is provided with first connecting portion 426, the abutting part 422 of first connecting portion 426 and second difference position
In the both sides of rotational axis line, one end of the first return unit 431 is connected with housing 101, the other end of the first return unit 431 and
One connecting portion 426 is connected.
It is described with the relative position in scheming, first return unit 431 is located in the right side of first connecting portion 426, figure
In state, first return unit 431 is in extended state.First return unit 431 can also be arranged at first connecting portion 426
Left side, then first return unit 431 is in compressive state.
In making process, fitting 41 is rotated clockwise under the drive of body 31, and feeler lever part 42 is in the first return unit
In the presence of 431, also rotate clockwise so that realize final close a floodgate close to the second contact 421 in the first contact 50.Separating brake process
In, fitting 41 is rotated counterclockwise under the drive of body 31, and the first abutting part 411 abuts the second abutting part 422, makes second
Separating brake is finally realized away from the first contact 50 in contact 421.Due to the special construction of feeler lever part 42, along with the second abutting part 422
Close to rotating shaft 420, the spacing between two contacts after disjunction is larger, and whole mechanism substantially increases its breaking capacity.
According to a kind of feeler lever mechanism 40 of the utility model embodiment offer, the operation principle of feeler lever mechanism 40 is：
Feeler lever part 42 is individually connected with housing 101, is acted on by the linkage of fitting 41, realizes that feeler lever part 42 is close or remote
From the first contact 50, according to lever principle, the second abutting part 422 is close to rotating shaft 420, when fitting 41 rotates smaller range,
Second contact 421 can rotate larger scope relative to rotating shaft 420.
This point can also be learnt from circular arc calculation formula：L=α (radian) × r (radius).When fitting 41 is relative to shell
When body 101 turns an angle, feeler lever part 42 can also rotate corresponding angle in the presence of fitting 41, due to second touch
Point 421 increases away from rotating shaft 420, i.e. radius, in the case where rotating equal angular, the increase of its circular arc arc length turned over.Significantly
Add the spacing between two contacts after separating brake.Improve its breaking capacity.
Embodiment 2
Fig. 5 is refer to, the present embodiment also provides a kind of feeler lever mechanism 40, and the technical scheme that embodiment 1 is described equally is fitted
For the present embodiment, description is not repeated in the published technical scheme of embodiment 1.
Specifically, the present embodiment and the difference of embodiment 1 are, feeler lever part 42 is provided with second connecting portion 427, and second connects
Socket part 427 is located at the side away from the first contact 50 of the second abutting part 422.That is the first connecting portion 426 and second
Connecting portion 427 is located at the both sides of rotating shaft 420 respectively.First return unit 431 is connected with second connecting portion 427.
It is described with the relative position in Fig. 5, first return unit 431 is in the state of compression, has the second contact 421
There is the movement tendency close to the first contact 50.
It is the right side that the first return unit 431 is located at feeler lever part 42 shown in figure, can also sets to the left, at this moment should
First return unit 431 is in extended state.
Embodiment 3
Fig. 6 is refer to, the present embodiment also provides a kind of feeler lever mechanism 40, and the technical scheme that embodiment 1 is described equally is fitted
For the present embodiment, description is not repeated in the published technical scheme of embodiment 1.
Specifically, the present embodiment and the difference of embodiment 1 are, feeler lever mechanism 40 also includes the second return unit 432, second
Return unit 432 is connected with housing 101, and the second return unit 432 makes the second contact 421 that there is the motion away from the first contact 50 to become
Gesture, the first abutting part 411 is located at the side away from the first contact 50 of the second abutting part 422.
One end of second return unit 432 is connected with housing 101, and its other end is connected with first connecting portion 426, and this second
Return unit 432 is in extended state, because the contact 421 of first connecting portion 426 and second is located at the two ends of rotating shaft 420 respectively, therefore
Second return unit 432 makes the second contact 421 have the movement tendency away from the first contact 50.
Second return unit 432 shown in figure is located at the left side of feeler lever part 42, similarly, can also be disposed at the right side
Side, i.e. second return unit 432 are in compressive state.
The principle of the feeler lever mechanism 40 is, in making process, and fitting 41 is rotated clockwise, and drives the second contact 421
Close to the first contact 50, contact is realized.During separating brake, fitting 41 is rotated counterclockwise, and feeler lever part 42 is in the second return unit 432
In the presence of, away from the first contact 50.
Embodiment 4
Fig. 7 is refer to, the present embodiment also provides a kind of feeler lever mechanism 40, and the technical scheme that embodiment 3 is described equally is fitted
For the present embodiment, description is not repeated in the published technical scheme of embodiment 3.
Specifically, the present embodiment and the difference of embodiment 3 are, feeler lever part 42 is provided with second connecting portion 427, and second connects
Socket part 427 is located at the side away from the first contact 50 of the second abutting part 422, and one end and the housing 101 of the second return unit 432 connect
Connect, the other end of the second return unit 432 is connected with second connecting portion 427.
It is described with the relative position in Fig. 7, the second return unit 432 is located at the left side of feeler lever part 42, and in compression shape
State, can also be in the right side of feeler lever part 42, i.e., in extended state.
Embodiment 5
The present embodiment also provides a kind of breaker 100, and it includes feeler lever mechanism 40 mentioned above, feeler lever mechanism 40
Structure may be referred to embodiment 1-4, and the breaker 100 has the institute of feeler lever mechanism 40 functional.
It is the state that breaker 100 prepares to close a floodgate shown in Fig. 8, in being the making process of breaker 100 shown in Fig. 9
State, be that breaker 100 closes a floodgate the state after terminating shown in Figure 10.
Entirely the course of work of breaker 100 is：
Making process, rotating spanner 10, under the drive of driving member 20, body 31 is rotated, the fitting 41 on body 31
Rotated with fine motion part 33, at this moment, feeler lever part 42 is rotated immediately so that the second contact 421 is close to the first contact 50, when the second contact
During 421 the first contact 50 of contact, fine motion part 33 and not in contact with electromagnetic mechanism 70；Spanner 10 is rotated further, and contacts fine motion part 33
Electromagnetic mechanism 70.
Separating brake process, sensor 60 detects that electric current is excessive, it is necessary to which during disjunction, electromagnetic mechanism 70 promotes 33 turns of fine motion part
Dynamic, fine motion part 33 comes off relative to dropout part 32, and spanner 10, body 31 reset, and whole feeler lever mechanism 40 is away from the first contact 50.
Due to the special structure of the feeler lever part 42, along with the effect of being linked of feeler lever part 42 and fitting 41 so that
Two contact spacings after disjunction are larger, and contact 425 is not towards the first contact 50.Substantially increase point of breaker 100
Cutting capacity.Overall using effect is preferable.
In summary, the utility model provides a kind of feeler lever mechanism 40, and the feeler lever mechanism 40 can pass through fitting 41
With the relation that is linked of feeler lever part 42, when trip gear 30 is rotated, fitting 41 is driven to rotate so that the of feeler lever part 42
Two contacts 421 can contact the first contact 50, because second abutting part 422 is to be located at rotational axis line and the second contact 421
Between, after disjunction, the spacing between the contact 50 of the second contact 421 and first is considerably increased, the generation of electric arc is reduced
Rate, or the electric arc produced can quickly extinguish, and substantially increase its breaking capacity.Its is reasonable in design, and mechanism is compact, and market should
With having a high potential.
Preferred embodiment of the present utility model is the foregoing is only, the utility model is not limited to, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all it is of the present utility model spirit and principle
Within, any modification, equivalent substitution and improvements made etc. should be included within protection domain of the present utility model.
Claims (10)
1. a kind of feeler lever mechanism, for breaker, breaker has housing and trip gear, and trip gear is rotatablely connected with
Housing, housing has the first contact, it is characterised in that the feeler lever mechanism includes feeler lever part and fitting, the feeler lever part tool
There is the second contact for contacting the first contact, the feeler lever part is rotatablely connected with housing and described the around rotational axis line
Two contacts can be connected closer or far from the first contact, the fitting with trip gear, and the fitting includes first and abutted
Portion, the feeler lever part includes the second abutting part for being used to abut first abutting part, and second abutting portion is in described turn
Move between axial line and second contact.
2. feeler lever mechanism according to claim 1, it is characterised in that second abutting part is relative to second contact
Close to the rotational axis line.
3. feeler lever mechanism according to claim 1, it is characterised in that the feeler lever part also includes extension, the extension
Portion is connected with second abutting part, and the extension and second abutting part are in obtuse angle.
4. feeler lever mechanism according to claim 3, it is characterised in that the feeler lever part also includes clamping part, the clamping
Portion is used to clamp contact, and second contact is located on the contact, and the clamping part is connected with the extension and positioned at institute
State one end of remote second abutting part of extension.
5. feeler lever mechanism according to claim 4, it is characterised in that the clamping part with the extension in obtuse angle and institute
Contact is stated positioned at the side of remote second abutting part of the clamping part.
6. the feeler lever mechanism according to claim any one of 1-5, it is characterised in that the feeler lever mechanism also includes first and answered
Position part, first return unit is connected with housing, and first return unit makes second contact have close to the first contact
Movement tendency, first abutting portion is between the first contact and second abutting part.
7. feeler lever mechanism according to claim 6, it is characterised in that the feeler lever part is provided with first connecting portion, described
First connecting portion and second abutting part are located at the both sides of the rotational axis line respectively, one end of first return unit with
Housing is connected, and the other end of first return unit is connected with the first connecting portion.
8. the feeler lever mechanism according to claim any one of 1-5, it is characterised in that the feeler lever mechanism also includes second and answered
Position part, second return unit is connected with housing, and second return unit makes second contact have away from the first contact
Movement tendency, first abutting portion is in the side away from the first contact of second abutting part.
9. feeler lever mechanism according to claim 8, it is characterised in that the feeler lever part is provided with second connecting portion, described
Second connecting portion is located at the side away from the first contact of second abutting part, and one end and the housing of second return unit connect
Connect, the other end of second return unit is connected with the second connecting portion.
10. a kind of breaker, it is characterised in that including the feeler lever mechanism described in claim any one of 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720377420.0U CN206602091U (en) | 2017-04-11 | 2017-04-11 | Feeler lever mechanism and circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720377420.0U CN206602091U (en) | 2017-04-11 | 2017-04-11 | Feeler lever mechanism and circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206602091U true CN206602091U (en) | 2017-10-31 |
Family
ID=60144083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720377420.0U Active CN206602091U (en) | 2017-04-11 | 2017-04-11 | Feeler lever mechanism and circuit breaker |
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| Country | Link |
|---|---|
| CN (1) | CN206602091U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109545634A (en) * | 2019-01-09 | 2019-03-29 | 厦门大恒科技有限公司 | Rotary contact mechanism and circuit breaker |
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2017
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109545634A (en) * | 2019-01-09 | 2019-03-29 | 厦门大恒科技有限公司 | Rotary contact mechanism and circuit breaker |
| CN109545634B (en) * | 2019-01-09 | 2024-05-28 | 厦门大恒科技有限公司 | Rotary contact mechanism and circuit breaker |
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