CN106971921A - Breaker - Google Patents
Breaker Download PDFInfo
- Publication number
- CN106971921A CN106971921A CN201710249087.XA CN201710249087A CN106971921A CN 106971921 A CN106971921 A CN 106971921A CN 201710249087 A CN201710249087 A CN 201710249087A CN 106971921 A CN106971921 A CN 106971921A
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- CN
- China
- Prior art keywords
- driving wheel
- moving contact
- support body
- body portion
- contact
- 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
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
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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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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- Breakers (AREA)
Abstract
The present invention provides a kind of breaker, including housing, handle, connecting rod, driving wheel, dropout frame, the first return unit, the second return unit, the first static contact, the second static contact, the first moving contact and the second moving contact.Handle is rotatably installed in housing；One end connection handle of connecting rod, the other end and driving wheel, dropout frame are engaged.First return unit one end connects housing, other end connection driving wheel.Second return unit one end connects driving wheel, other end connection dropout frame.Driving wheel includes driving wheel body, first rotating shaft and the second rotating shaft, and driving wheel is rotatably installed in housing by first rotating shaft, and dropout frame is rotatably arranged in driving wheel by the second rotating shaft.First static contact and the second static contact are fixedly arranged in housing respectively；First moving contact and the second moving contact are rotatably installed on driving wheel, and the first moving contact is corresponding with the first static contact, and the second moving contact is corresponding with the second static contact.Breaker structure of the present invention is simple, and easy to assembly, cost is low.
Description
Technical field
The present invention relates to low-voltage electrical apparatus protection technique field, more particularly to a kind of breaker.
Background technology
Breaker be it is a kind of can close, carry and cut-off the electric current under normal loop condition, and can be in the defined time
Interior carrying and the switching device for cut-offfing the electric current under abnormal loop condition.The civilian breaker that high building, enterprise, civil buildings are used
It is generally divided into：1P, 1P+N and 2P three types.Wherein 1P breakers are single-pole circuit breakers, with overload and short-circuit protection function,
Only protect phase line.1P+N breakers are monopole+N breakers, while phase line, center line are controlled, but only phase line has overload and short
Road defencive function, and only there is N extremely corresponding center lines opening and closing function not have overload and short-circuit protection function.2P breakers
It is single-phase 2 pole breaker, while controlling phase line and center line, and all there is hot tripping function.Existing 1P+N breakers are often
A 2P breakers wherein pole is removed into the 2P breakers that heat is threaded off with magnetic tripping function, volume is larger, complicated, and assembling is tired
Difficulty, and cost is high.
The content of the invention
The present invention in order to overcome above mentioned problem present in existing technology identical with 1P breakers there is provided a kind of volume,
It is simple in construction, easy to assembly using function and 1P+N breaker identical breakers, and the low breaker of cost.
To achieve these goals, the present invention provides a kind of breaker, including：Housing, handle, connecting rod, driving wheel, dropout
Frame, the first return unit, the second return unit, the first static contact, the second static contact, the first moving contact and the second moving contact；It is described
Handle is rotatably installed in the housing；One end of the connecting rod connects the handle, the other end and the driving wheel, institute
Dropout frame is stated to be engaged to promote the driving wheel and the dropout frame to rotate；Described first return unit one end connects the shell
Body, the other end connects the driving wheel；Described second return unit one end connects the driving wheel, and other end connection is described to thread off
Frame；The driving wheel includes driving wheel body, first rotating shaft and the second rotating shaft, and the first rotating shaft and the second rotating shaft are located at driving
Body is taken turns, the driving wheel is rotatably installed in the housing by the first rotating shaft, and the dropout frame passes through described
Second rotating shaft is rotatably arranged in the driving wheel；First static contact and second static contact are fixedly arranged on the shell respectively
In vivo；First moving contact and the second moving contact are rotatably installed on the driving wheel, first moving contact with it is described
First static contact correspondence, second moving contact is corresponding with second static contact.
In one embodiment of the invention, the driving wheel also includes the first fitting recess and the second fitting recess, first assembling
Groove and the second fitting recess are respectively arranged on the front and rear sides of the driving wheel body, are moved for being respectively mounted the first moving contact and second
Contact.
In one embodiment of the invention, the first installation axle is provided with the first fitting recess, described first moving contact one end is provided with
First hole, first installation axle is inserted in the first hole first moving contact being rotatably installed on driving wheel；Second
The second installation axle is provided with fitting recess, described second moving contact one end is provided with the second hole, and second installation axle inserts the second hole
It is interior so that second moving contact is rotatably installed on into driving wheel.
In one embodiment of the invention, the driving wheel body side is provided with hook, for connecting the first return unit.
In one embodiment of the invention, the dropout frame includes the first support body portion, hook portion and lock part, first support body
Portion is rotatably arranged in the driving wheel by second rotating shaft, and the hook portion is located at the first support body portion side and direction
The first support body portion bending, the lock part is located at the hook portion and is protruded towards the first support body portion, the first
Body portion, hook portion and lock part surround the first bayonet socket；The driving wheel body is provided with the second bayonet socket；First bayonet socket and the second bayonet socket group
Into a groove, one end of the connecting rod is inserted in the groove of the first bayonet socket and the second bayonet socket composition.
In one embodiment of the invention, the first support body portion includes the Part I and Part II being connected, described
Part I, the Part II and hook portion connection, the hook portion are bent towards the Part II, the Part I
Provided with the first axis hole, one end of second rotating shaft is inserted in the first axis hole, one end connection described second of the Part II
Return unit.
In one embodiment of the invention, the dropout frame also includes the second support body portion, and the second support body portion connection is described
Hook portion and the first support body portion, the second support body portion are oppositely arranged with the first support body portion, and the driving wheel is located at the
Between one support body portion and the second support body portion；The second support body portion includes Part III, Part IV, Part V and the 6th
Point；Part III is oppositely arranged with hook portion, and Part III is connected with the side of hook portion, and Part IV is relative with Part I to be set
Put, Part V and Part II are oppositely arranged, one end connection Part III and Part IV of Part V, Part V
The other end connects Part VI, and the two ends of Part VI connect Part III and Part V respectively, and the Part IV is provided with
Second axis hole, the other end of second rotating shaft is inserted in the second axis hole.
In one embodiment of the invention, in addition to the first spacing elastic component, the two ends difference of the first spacing elastic component
Connect first moving contact and the driving wheel body.
In one embodiment of the invention, in addition to the second spacing elastic component, the two ends difference of the second spacing elastic component
Connect second moving contact and the driving wheel body.
In one embodiment of the invention, in addition to thermal trip and N poles conducting system, the thermal trip includes bimetallic
Piece, double golden supports, release lever, first are flexible coupling and the first arc striking piece, and the bimetal leaf is supported to be installed on housing by double gold
Interior, release lever one end connection dropout frame, the other end and bimetal leaf coordinate, and the bimetal leaf is flexible coupling company by described first
First moving contact is connect, the first arc striking piece connection double gold are supported；N poles conducting system includes the be connected
Two are flexible coupling and the second arc striking piece, and second, which is flexible coupling, connects the second moving contact.
Compared with prior art, beneficial effects of the present invention：Breaker of the present invention is 1P+N type breakers, the first moving contact
The break-make of control phase line, the second moving contact and the contact of the second static contact or separation control center line are contacted or separated with the first static contact
Break-make.Breaker of the present invention sets the first moving contact and the second moving contact in the both sides of driving wheel body, simplifies structure, drops
The low volume of 1P+N type breakers, and assemble very convenient, efficiency of assembling can be greatly improved, cost is reduced.
Brief description of the drawings
Fig. 1 is that the first moving contact and the first static contact are in released state in the embodiment of breaker one of the present invention, and second moves
Contact and the second static contact are in the front view of released state.
Fig. 2 is the partial enlarged drawing at B in Fig. 1.
Fig. 3 is Fig. 1 rear view.
The moving contact of breaker first and the first static contact rigid connection that Fig. 4 is Fig. 1 are touched, and the second moving contact and the second static contact are firm
Front view during contact.
Fig. 5 is schematic diagram when Fig. 1 circuit breaker handle turns to opposite side.
Fig. 6 is the view of Fig. 5 another cutting plane of breaker.
Fig. 7 is the isometric front view of the Each part in housing.
Fig. 8 is the rear isometric view of the Each part in housing.
Fig. 9 is the stereogram of magnetictrip and the first static contact.
Figure 10 is the cross section view of magnetictrip and the first static contact.
Figure 11 is the schematic diagram of the second static contact.
Figure 12 is the connection diagram of the first moving contact and thermal trip.
Figure 13 is the connection diagram of the second moving contact and N poles conducting system.
Figure 14 and Figure 15 are the structural representations of two sides of driving wheel.
Embodiment
Below in conjunction with the accompanying drawings, by specific embodiment, clear, complete description is carried out to technical scheme.
For convenience of description, each part is referred to as original position in position shown in Fig. 1, and the process for being transformed to original position by other positions claims
To reset." left side " " right side " " on ", " under " described in text is left, right, top, the lower section for corresponding figure respectively,
Only to facilitate the operation principle to breaker is described in detail, it is not intended to limit the invention.
It refer to Fig. 1, shown in 3, the present invention provides a kind of breaker, including：Housing 1, handle 2, connecting rod 3, driving wheel 4,
Dropout frame 5, the first return unit 6, the second return unit 7, the first static contact 8, the second static contact 9, the first moving contact 10 and second are dynamic
Contact 11.
The handle 2 is rotatably installed in the housing 1, and the center of rotation of the handle 2 is provided with torsion spring 21, handle
2 rotate after the reaction force of torsion spring handle 2 can be automatically returned to original position.One end of the connecting rod 3 connects the handle
2, the other end and the driving wheel 4, the dropout frame 5 are engaged to promote the driving wheel 4 and the dropout frame 5 to rotate.
The movement connecting rod 3 when referring to the contact driving wheel 4 of connecting rod 3 and dropout frame 5 that is engaged can promote 5 turns of driving wheel 4 and dropout frame
It is dynamic.The side that connecting rod 3 and driving wheel 4, dropout frame 5 are contacted is arcwall face.
Described one end of first return unit 6 connects the housing 1, and the other end connects the driving wheel 4, to enter to driving wheel 4
Row resets.In the present embodiment, the first return unit 6 is extension spring, but not limited to this or compression spring, when for compression
During spring, installation site is otherwise varied with Fig. 1.When the driving wheel 4 is rotated clockwise and stretches the first return unit 6, first
Return unit 6, which produces reaction force, makes the driving wheel 4 there is turning anticlockwise to trend in situ.Refer to clockwise in Fig. 1
Direction indicated by arrow A, is counterclockwise direction in contrast to this, hereafter consistent with this.The one end of second return unit 7 connection
The driving wheel 4, the other end connects the dropout frame 5.Second return unit 7 is compression spring, but not limited to this.
The driving wheel 4 includes driving wheel body 41, the rotating shaft 43 of first rotating shaft 42 and second.The first rotating shaft 42 and
Two rotating shafts 43 are located at driving wheel body 41.The driving wheel 4 is rotatably installed on the housing 1 by the first rotating shaft 42
It is interior.The dropout frame 5 is rotatably arranged in the driving wheel 4 by second rotating shaft 43.First static contact 8 and described
Second static contact 9 is fixedly arranged in the housing 1 respectively.The moving contact 11 of first moving contact 10 and second is rotatably installed on
The driving wheel 4, first moving contact 10 is corresponding with first static contact 8, second moving contact 11 and described second
The correspondence of static contact 9, drives the first moving contact 10 and the second moving contact 11 to rotate when driving wheel 4 is rotated, the first moving contact 10 with
First static contact 8 is contacted or separated, and the second moving contact 11 is contacted or separated with the second static contact 9.
When the handle 2 is rotated clockwise, drivening rod 3 is moved, because connecting rod 3 and driving wheel 4, the contact of dropout frame 5 are matched somebody with somebody
Close so that the driving wheel 4 and the dropout frame 5 are rotated, and then drive 11 turns of 10 and second moving contact of the first moving contact
Dynamic, so that the first moving contact 10 and the first static contact 8 are contacted or separated, the second moving contact 11 and the second static contact 9 are contacted or divided
From.Breaker of the present invention is directly by the effect of driving wheel 4 and dropout frame 5, you can so that the first moving contact 10 and the first stationary contact
First 8 contact is separated, and the second moving contact 11 and the second static contact 9 are contacted or separated, and simplify structure, assembles very convenient, can
To greatly improve efficiency of assembling, and reduce cost.
It refer to Figure 14, shown in 15, the side of driving wheel body 41 is provided with hook 44, for connecting the first return unit 6.
When first return unit 6 is installed, it is only necessary to one end of the first return unit 6 is caught on into the hook 44, mounting means is very simple
It is convenient.The driving wheel 4 also includes the first fitting recess 45 and the second fitting recess 46.The fitting recess 46 of first fitting recess 45 and second
The front and rear sides of the driving wheel body 41 are respectively arranged on, for being respectively mounted the first moving contact 10 and the second moving contact 11.Tool
For body, the first installation axle 451 is provided with the first fitting recess 45, described one end of first moving contact 10 is provided with the first hole 101, described
First installation axle 451 is inserted in the first hole 101 first moving contact 10 being rotatably installed on driving wheel 4.Second dress
With the second installation axle 461 is provided with groove 46, described one end of second moving contact 11 is provided with the second hole 111, second installation axle 461
Insert in the second hole 111 second moving contact 11 being rotatably installed on the driving wheel 4.First installation axle
451 and second installation axle 461 be symmetrical arranged, structure more stablize.
As Figure 1-4, the dropout frame 5 includes the first support body portion 51, hook portion 510 and lock part 53.The first
Body portion 51 is rotatably arranged in the driving wheel 4 by second rotating shaft 43, and the hook portion 510 is located at the first support body portion
51 sides and bent towards the first support body portion 51, the lock part 53 is located at the hook portion 510 and towards the first
Body portion 51 protrudes, and the first support body portion 51, hook portion 510 and lock part 53 surround the first bayonet socket 501.The driving wheel body 41
Provided with the second bayonet socket 502.First bayonet socket 501 and the second bayonet socket 502 constitute a groove 503, one end insertion first of the connecting rod 3
In the groove 503 of the bayonet socket 502 of bayonet socket 501 and second composition, one end of the connecting rod 3 can be in the first bayonet socket 501 and the second bayonet socket
Movable in groove 503 between 502, when handle 2 is rotated clockwise, one end of the connecting rod 3 is in the first bayonet socket 501 and second
Movable to the right in groove 503 between bayonet socket 502, the locking of lock part 53 lives connecting rod 3, prevents connecting rod 3 from being skidded off from the second bayonet socket 502.
When breaker is in state shown in Fig. 5, the reaction force of the first return unit 6 is so that handle 2 is made to turn clockwise
Dynamic power, this power rotated clockwise is more than torsion spring and is applied to restoring force counterclockwise on handle 2, but now handle 2
Being blocked by housing 1 to rotate clockwise, now, and one end of connecting rod 3 is against the side wall of the lock part 53 and described second
The inwall of bayonet socket 502, lock part 53 has been blocked at the opening of the second bayonet socket 502, prevents one end of connecting rod 3 from the second bayonet socket 502
Opening at remove, lock part 53 serves the effect of locking connecting rod 3.If dropout frame 5 can be driven by now applying to dropout frame 5
Occurs the power of rotate counterclockwise, then the locking effect of lock part 53 is destroyed, then one is formed at the bayonet socket 502 of lock part 53 and second
Individual opening, one end of connecting rod 3 is skidded off at opening, now, and the second return unit 7, which produces reaction force, makes the dropout frame 5 surround institute
State driving wheel 4 to rotate clockwise, now the first return unit 6 is stretched generation reaction force so that driving wheel 4 and dropout frame 5 are made
Rotate counterclockwise, moving contact does rotate counterclockwise, moving contact and static contact separation with driving wheel 4.Now, the one end of connecting rod 3 has been
Skidded off at opening, the first return unit 6 acts on handle 2 power after being transmitted through driving wheel 4, connecting rod 3 has disappeared, and now makes hand
The power that handle 2 is moved is the restoring force counterclockwise that torsion spring is applied on handle 2, and handle 2 rotates counterclockwise drivening rod 3 and returned back to
Original position, i.e., the state shown in Fig. 1.
It refer to shown in Fig. 1, handle 2 is in original position.Now, handle 2 is rotated clockwise, one end of connecting rod 3 is in the second card
Towards moving right in mouth 502, after the inwall of the second bayonet socket of end thereof contacts 502 of connecting rod 3, connecting rod 3 promotes driving wheel 4 to rotate, now
The second return unit 7 is compressed, then the second return unit 7 produces bounce promotion dropout frame 5 and rotated clockwise, also, in connecting rod 3 one
During the inwall of the second bayonet socket of end in contact 502, this one end of connecting rod 3 contacts lock part 53 simultaneously, and connecting rod 3 promotes driving wheel 4 simultaneously
With lock part 53, then because the collective effect of the second return unit 7 and lock part 53 causes dropout frame 5 to make up time with driving wheel 4
Pin is rotated, and the moving contact is also with rotating clockwise, and when turning to certain angle, moving contact is contacted with static contact, and circuit connects
It is logical.
The breaker also includes the first spacing elastic component 13 of spacing elastic component 12 and second.The first spacing elastic component
12 in the first fitting recess 45, and the two ends of the first spacing elastic component 12 connect first moving contact 10 and described respectively
Driving wheel body 41.The driving wheel 4 relative to the first moving contact 10 rotate when compress the described first spacing elastic component 12, to cause
First moving contact 10 and the reliable contacts of the first static contact 8.The second spacing elastic component 13 is located at the second fitting recess
In 46, the two ends of the second spacing elastic component 13 connect second moving contact 11 and the driving wheel body 41 respectively.Institute
State driving wheel 4 relative to the second moving contact 11 rotate when compress the described second spacing elastic component 13, to cause second moving contact
11 with the reliable contacts of the second static contact 9.Because the first installation axle 451 and the second installation axle 461 are symmetrical arranged, work as driving wheel
During 4 rotation, while promoting the first spacing elastic component 13 of spacing elastic component 12 and second, and then the He of the first moving contact 10 is promoted simultaneously
Second moving contact 11 is rotated.
In the present embodiment, the spacing elastic component 13 of the first spacing elastic component 12 and second is compression spring.It refer to Fig. 4
It is shown, handle 2 is rotated clockwise, when the first moving contact 10 and the rigid connection of the first static contact 8 are touched, the second moving contact 11 and the second stationary contact
When first 9 rigid connection is touched, the line at the two ends of connecting rod 3 is located at the top of the center of rotation of handle 2, and handle is acted on if now removed
Power on 2, because the restoring force of torsion spring and the reaction force of the first return unit 6 are all the power that rotates counterclockwise handle 2, then hand
Handle 2, which is rotated counterclockwise, returns back to original position.Driving wheel 4 and dropout frame 5 equally return back to original position, the first moving contact 10 will with it is first quiet
Contact 8 is separated, and the second moving contact 11 will be separated with the second static contact 9.Therefore when the first moving contact 10 and the rigid connection of the first static contact 8
Touch, it is necessary to be rotated further handle 2 when the second moving contact 11 and the rigid connection of the second static contact 9 are touched, then the first moving contact 10 due to against
First static contact 8 can not be rotated further, and the second moving contact 11 against the second static contact 9 due to that can not be rotated further, and driving wheel 4
It is rotated further with dropout frame 5, therefore, the driving wheel 4 is rotated clockwise relative to the first moving contact 10 and the second moving contact 11,
Compress the first spacing elastic component 13 of spacing elastic component 12 and second.When handle 2 is turned to against 1 spacing place 102 of housing, that is, scheme
Shown in 5 during position, the line at the two ends of connecting rod 3 is located at the lower section of the center of rotation of handle 2, now, due to the first spacing elasticity
Part 12, the reaction force of the second spacing return unit 6 of elastic component 13 and first are the power for rotating clockwise handle 2, and are more than
The restoring force counterclockwise of torsion spring, now removes the power acted on handle 2, then handle 2 will not automatically return to original position.Now,
First moving contact 10 is tightly against the first static contact 8, and the second moving contact 11 is tightly moved against the second static contact 9, i.e., first
The reliable contacts of 10 and first static contact of contact 8, the second moving contact 11 and the reliable contacts of the second static contact 9.Now, circuit closes a floodgate,
State i.e. shown in Fig. 5.
It refer to shown in Fig. 4 and Fig. 7, the first support body portion 51 includes Part I 511 and Part II 512.It is described
Part I 511, the Part II 512 and the hook portion 510 are connected.The hook portion 510 is curved towards the Part II 512
Folding.The first support body portion 51 and hook portion 510 are linked to be a lamellar body, simple in construction, are easily worked, simplify the structure of breaker,
So as to be beneficial to reduce cost.The Part I 511 is provided with the first axis hole 5110, one end insertion first of second rotating shaft 43
In axis hole 5110, so that frame 5 of threading off can be rotated centered on the second rotating shaft 43.One end connection institute of the Part II 512
State the second return unit 7.Dotted line in Fig. 7 is merely to the various pieces in differentiation hook portion 510 and first support body portion 51, are easy to explanation
In the structure in the support body portion 51 of hook portion 510 and first, actual product and in the absence of dotted line.
It refer to shown in Fig. 3 and Fig. 8, to ensure the stability of structure, the dropout frame 5 also includes the second support body portion 52,
The second support body portion 52 connects the hook portion 510 and the first support body portion 51, the second support body portion 52 and described first
Support body portion 51 is oppositely arranged, and the driving wheel 4 is located between the first support body portion 51 and the second support body portion 52.The second support body portion
52 include Part III 521, Part IV 522, Part V 523 and Part VI 524.Part III 521 and the phase of hook portion 510
To setting, Part III 521 is connected with the side of hook portion 510, and the lock part 53 is located at hook portion 510 and Part III 521
Junction.Second bayonet socket 502 is connected the inner side of side towards the Part III 521 with hook portion 510, prevents the one of connecting rod 3
End skids off the second bayonet socket 502.Part IV 522 is oppositely arranged with Part I 511, Part V 523 and the phase of Part II 512
To setting.One end connection Part III 521 and Part IV 522 of Part V 523, the other end connection of Part V 523
Part VI 524, the two ends of Part VI 524 connect Part III 521 and Part V 523, that is, Part III respectively
521st, Part V 523 and Part VI 524 surround ring-type, and structural strength more preferably, and saves material.The Part IV
522 are provided with the second axis hole 5220, and the other end of second rotating shaft 43 is inserted in the second axis hole 5220, so that the first support body portion 51
It can be rotated together centered on the second rotating shaft 43 with the second support body portion 52.Dotted line in Fig. 8 is merely to distinguish the second support body
The various pieces in portion 52, are easy to illustrate in the structure in the second support body portion 52, actual product and in the absence of dotted line.
It refer to shown in Fig. 1,6,12,13, the breaker also includes thermal trip 14 and N poles conducting system.The heat
Electrical apparatus release 14 includes bimetal leaf 141, double gold and supports 142, release lever 140, first to be flexible coupling the 143, first arc striking piece 144.N poles
What conducting system included being connected second is flexible coupling 145 and second arc striking piece 146.Double gold support that 142 are arranged at housing 1
Interior, double gold support 142 to connect bimetal leaf 141 to be provided a supporting role to bimetal leaf 141, the bimetal leaf 141
It is flexible coupling 143 connections, first moving contact 10 by first.First arc striking piece 144 connects double gold and supports 142, and this first
Arc striking piece 144 is located at the side of arc-chutes 16, for electric arc introduction arc-chutes 16 to be carried out into arc extinguishing.Described one end of release lever 140 connects
The dropout frame 5 is connect, the other end coordinates (as shown in fig. 6, the dotted line frame in Fig. 6 is interior it is shown that first is soft with bimetal leaf 141
The topology view of the lower section of connection 143), when 141 flexural deformation of bimetal leaf release lever 140 can be driven to move.In the present embodiment,
Release lever 140 is bent rod-like structure, and its one end is located at the side of bimetal leaf 141, can promote de- when bimetal leaf 141 is deformed
Button bar 140.Described second is flexible coupling 145 the second moving contacts of connection 11.An empty room can be separated out in the housing 1 by dividing plate, the
The end of two arc striking pieces 146 is stretched into empty room, and the electric arc that the second moving contact 11 is produced is introduced in empty room and carries out arc extinguishing.Open circuit
When device overloads, bimetal leaf 141 is heated to bend, and drives release lever 140 to move right, then release lever 140 drives de-
Buckle frame 5 is rotated in an anti-clockwise direction, so that dropout frame 5 is rotated counterclockwise centered on the second rotating shaft 43, connecting rod 3 is close to locking
One end locking effect in portion 53 is destroyed, then forms an opening at the bayonet socket 502 of lock part 53 and second, and the one end of connecting rod 3 is from opening
Skidded off at mouthful, the first return unit 6 release elastic potential energy rotates counterclockwise driving wheel 4, dropout frame 5, the moment of handle 2, so that the
One moving contact 10 and the first static contact 8 are separated rapidly, and circuit disconnects, to play a part of protection circuit.
Refer to Fig. 1,7, shown in 9-11, the breaker also includes magnetictrip 15.The magnetictrip 15 is wrapped
Include skeleton 151, coil 152, dynamic iron core 153, push rod 154 and iron core spring 155.The skeleton 151 is described in housing 1
Coil 152 is sheathed on the outside of skeleton 151.The dynamic iron core 153 is in skeleton 151.First static contact 8 is located at skeleton
151 one end.First static contact 8 includes canned paragraph 81, raised section 82, contact section 83 and striking section 84.The canned paragraph 81
Located at described one end of skeleton 151, the contact section 83 connects the canned paragraph 81, the connection contact section of striking section 84
83, the raised section 82 is protruded by the canned paragraph 81 towards the dynamic iron core 153.The iron core spring 155 is held in dynamic iron
Between the static contact 8 of core 153 and first, specifically, the iron core spring 155 is held in the dynamic iron core 153 and the raised section
Between 82.Described one end of push rod 154 connects the dynamic iron core 153, and the other end passes through the raised section 82.When short circuit occurs for circuit
When, electric current increased dramatically, under the electromagnetic force of coil 152, and the raised section 82 of the static contact 8 of dynamic iron core 153 and first is attracting,
Dynamic iron core 153 is rapid towards the movement of the direction of the first static contact 8, and dynamic iron core 153 promotes push rod 154 to be moved towards dropout frame 5, so that
Dropout frame 5 is promoted to be rotated counterclockwise centered on the second rotating shaft 43, connecting rod 3 is broken close to one end locking effect of lock part 53
It is bad, then an opening is formed at the bayonet socket 502 of lock part 53 and second, the one end of connecting rod 3 is skidded off at opening, and the first return unit 6 is released
Elastic potential energy is put, driving wheel 4, dropout frame 5, the moment of handle 2 is rotated counterclockwise, so that the first moving contact 10 and the first static contact
8 separate rapidly, and circuit disconnects, to play a part of protection circuit.
The contact section 83 includes stationary contact bar 831 and contact 832, and the stationary contact bar 831 connects the canned paragraph 81, described
Contact 832 is on the stationary contact bar 831.Specifically, the stationary contact bar 831 is annular in shape.The contact 832 passes through welding or riveting
The mode connect is fixedly arranged on the stationary contact bar 831.When the first static contact 8 and the first moving contact 10 are contacted, contacted by contact 832
First moving contact 10.The connection stationary contact bar 831 of striking section 84.During assembling, the striking section 84 is installed on breaker
The side of arc-chutes 16, quickly introduces electric arc in arc-chutes 16 beneficial to striking section 84, reduces the energy that electric arc is produced, and reaches fast
The effect of fast arc extinguishing.Canned paragraph 81, raised section 82, stationary contact bar 831 and the striking section 84 of first static contact 8 are integrated into
Type, simplifies structure, reduces cost, and without being installed by the mode such as riveting or welding, performance is more stablized.
Breaker of the present invention, the first static contact 8 is used to be connected with phase line, and the second static contact 9 is used to be connected with center line.First
Moving contact 10 is contacted with the first static contact 8, then phase line is connected, and the first moving contact 10 is separated with the first static contact 8, then phase line is broken
Open.Second moving contact 11 is contacted with the second static contact 9, then center line is connected, and the second moving contact 11 is separated with the second static contact 9, then
Center line disconnects.
In summary, breaker of the present invention, promotes connecting rod 3 to drive driving wheel 4 and dropout frame 5 to rotate again, i.e., using handle 2
The first moving contact 10 and the first static contact 8 can be made to contact or separate, the second moving contact 11 and the second static contact 9 are contacted or separated,
It is simple in construction, assemble very convenient, efficiency of assembling can be greatly improved, and reduce cost.
It is any to know this skill although the present invention is disclosed above by preferred embodiment, but is not limited to the present invention
Skill person, without departing from the spirit and scope of the present invention, can make a little change and retouching, therefore, every without departing from the present invention
The content of technical scheme, according to the present invention technical spirit above example is made it is any it is simple modification, equivalent variations and
Modification, belongs to the protection domain of technical solution of the present invention.
Claims (10)
1. a kind of breaker, it is characterised in that including：Housing, handle, connecting rod, driving wheel, dropout frame, the first return unit, second
Return unit, the first static contact, the second static contact, the first moving contact and the second moving contact；
The handle is rotatably installed in the housing；One end of the connecting rod connects the handle, the other end and described
Driving wheel, the dropout frame are engaged to promote the driving wheel and the dropout frame to rotate；
Described first return unit one end connects the housing, and the other end connects the driving wheel；
Described second return unit one end connects the driving wheel, and the other end connects the dropout frame；
The driving wheel includes driving wheel body, first rotating shaft and the second rotating shaft, and the first rotating shaft and the second rotating shaft are located at drive
Driving wheel body, the driving wheel is rotatably installed in the housing by the first rotating shaft, and the dropout frame passes through institute
State the second rotating shaft and be rotatably arranged in the driving wheel；
First static contact and second static contact are fixedly arranged in the housing respectively；First moving contact and second is moved
Contact is rotatably installed on the driving wheel, and first moving contact is corresponding with first static contact, and described second is dynamic tactile
Head is corresponding with second static contact.
2. breaker according to claim 1, it is characterised in that the driving wheel also includes the first fitting recess and the second dress
With groove, first fitting recess and the second fitting recess are respectively arranged on the front and rear sides of the driving wheel body, for being respectively mounted
One moving contact and the second moving contact.
3. breaker according to claim 2, it is characterised in that be provided with the first installation axle in the first fitting recess, described the
One moving contact one end is provided with the first hole, and first installation axle is inserted in the first hole rotationally to pacify first moving contact
Loaded on driving wheel；The second installation axle is provided with second fitting recess, described second moving contact one end is provided with the second hole, second peace
Dress axle inserts in the second hole second moving contact being rotatably installed on driving wheel.
4. breaker according to claim 1, it is characterised in that the driving wheel body side is provided with hook, for even
Connect the first return unit.
5. breaker according to claim 1, it is characterised in that the dropout frame includes the first support body portion, hook portion and lock
Stop, the first support body portion is rotatably arranged in the driving wheel by second rotating shaft, and the hook portion is located at described the
One support body portion side and towards the first support body portion bending, the lock part is located at the hook portion and towards first support body
Portion protrudes, and the first support body portion, hook portion and lock part surround the first bayonet socket；The driving wheel body is provided with the second bayonet socket；The
One bayonet socket and the second bayonet socket constitute a groove, and one end of the connecting rod is inserted in the groove of the first bayonet socket and the second bayonet socket composition.
6. breaker according to claim 5, it is characterised in that the first support body portion includes the Part I being connected
And Part II, the Part I, the Part II and hook portion connection, the hook portion is curved towards the Part II
Folding, the Part I is provided with the first axis hole, and one end of second rotating shaft is inserted in the first axis hole, and the one of the Part II
End connection second return unit.
7. breaker according to claim 6, it is characterised in that the dropout frame also includes the second support body portion, described the
Two support body portions connect the hook portion and the first support body portion, and the second support body portion is oppositely arranged with the first support body portion,
The driving wheel is located between the first support body portion and the second support body portion；The second support body portion include Part III, Part IV,
Part V and Part VI；Part III is oppositely arranged with hook portion, and Part III is connected with the side of hook portion, Part IV with
Part I is oppositely arranged, and Part V and Part II are oppositely arranged, one end connection Part III and the 4th of Part V
Part, the other end connection Part VI of Part V, the two ends of Part VI connect Part III and Part V respectively, institute
Part IV is stated provided with the second axis hole, the other end of second rotating shaft is inserted in the second axis hole.
8. breaker according to claim 1, it is characterised in that also spacing including the first spacing elastic component, described first
The two ends of elastic component connect first moving contact and the driving wheel body respectively.
9. breaker according to claim 8, it is characterised in that also spacing including the second spacing elastic component, described second
The two ends of elastic component connect second moving contact and the driving wheel body respectively.
10. breaker according to claim 1, it is characterised in that described also including thermal trip and N poles conducting system
Thermal trip is flexible coupling including bimetal leaf, double golden supports, release lever, first to be passed through with the first arc striking piece, the bimetal leaf
Double gold are supported to be installed in housing, and release lever one end connection dropout frame, the other end coordinates with bimetal leaf, and the bimetal leaf leads to
Cross described first to be flexible coupling connection first moving contact, the first arc striking piece connection double gold are supported；The N is extremely conductive
What system included being connected second is flexible coupling and the second arc striking piece, and second is flexible coupling the second moving contact of connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710249087.XA CN106971921B (en) | 2017-04-17 | 2017-04-17 | Breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710249087.XA CN106971921B (en) | 2017-04-17 | 2017-04-17 | Breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106971921A true CN106971921A (en) | 2017-07-21 |
| CN106971921B CN106971921B (en) | 2019-10-01 |
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ID=59332363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710249087.XA Active CN106971921B (en) | 2017-04-17 | 2017-04-17 | Breaker |
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| Country | Link |
|---|---|
| CN (1) | CN106971921B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107221481A (en) * | 2017-08-09 | 2017-09-29 | 上海安奕极企业发展有限公司 | Hot dropout governor motion and breaker |
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| CN1077051A (en) * | 1992-03-31 | 1993-10-06 | 梅兰日兰公司 | The operating mechanism that is used for the band swing arm of a phase line and neutral circuit circuit breaker |
| CN104134588A (en) * | 2014-07-17 | 2014-11-05 | 正泰集团股份有限公司 | Operation device of miniature multi-pole circuit breaker |
| CN104835699A (en) * | 2015-04-29 | 2015-08-12 | 浙江天正电气股份有限公司 | Circuit breaker with double moving contacts |
| CN105575740A (en) * | 2016-03-14 | 2016-05-11 | 乐清市沃斯托电气有限公司 | Circuit breaker |
| CN206947273U (en) * | 2017-04-17 | 2018-01-30 | 乐清市沃斯托电气有限公司 | Breaker |
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2017
- 2017-04-17 CN CN201710249087.XA patent/CN106971921B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1077051A (en) * | 1992-03-31 | 1993-10-06 | 梅兰日兰公司 | The operating mechanism that is used for the band swing arm of a phase line and neutral circuit circuit breaker |
| CN104134588A (en) * | 2014-07-17 | 2014-11-05 | 正泰集团股份有限公司 | Operation device of miniature multi-pole circuit breaker |
| CN104835699A (en) * | 2015-04-29 | 2015-08-12 | 浙江天正电气股份有限公司 | Circuit breaker with double moving contacts |
| CN105575740A (en) * | 2016-03-14 | 2016-05-11 | 乐清市沃斯托电气有限公司 | Circuit breaker |
| CN206947273U (en) * | 2017-04-17 | 2018-01-30 | 乐清市沃斯托电气有限公司 | Breaker |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107221481A (en) * | 2017-08-09 | 2017-09-29 | 上海安奕极企业发展有限公司 | Hot dropout governor motion and breaker |
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| Publication number | Publication date |
|---|---|
| CN106971921B (en) | 2019-10-01 |
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| CP03 | Change of name, title or address |
Address after: 325600 Wenzhou Daqiao Industrial Zone, Leqing City, Wenzhou City, Zhejiang Province (4 / F, workshop 1, karamailuo Clothing Co., Ltd.) Patentee after: Zhejiang vostto Electric Co., Ltd. Address before: Yueqing City, Wang Lin Cun Bai Xiang Zhen Sha Hong Lu 325600 Zhejiang city of Wenzhou province 60-2 Patentee before: YUEQING WOSITUO ELECTRIC Co.,Ltd. |
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