CN103545150B - Breaker operating mechanism - Google Patents
Breaker operating mechanism Download PDFInfo
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- CN103545150B CN103545150B CN201310450733.0A CN201310450733A CN103545150B CN 103545150 B CN103545150 B CN 103545150B CN 201310450733 A CN201310450733 A CN 201310450733A CN 103545150 B CN103545150 B CN 103545150B
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- tripping
- contact
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
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Abstract
The invention discloses a breaker operating mechanism which comprises a transmission component. The transmission component comprises a contact support pivoted to the shell of a breaker, a lock catch and a jump fastener. The lock catch and the jump fastener are respectively pivoted to the contact support. The lock catch and the jump fastener are respectively provided with fastening faces suitable for fastening and disconnecting of the lock catch and the jump fastener. When the lock catch is fastened to the jump fastener, the transmission component is in the lock state, the lock catch exerts a force for disconnecting the jump fastener with the lock catch on the jump fastener. The fastening face of the jump fastener is an arc face using the pivot point of the jump fastener as the center. During disconnection of the jump fastener and the lock catch, slide trajectory of the fastening face of the lock catch on the fastening face of the jump fastener is an arc using the pivot point of the jump fastener as the center. By the arrangement, during disconnection of the jump fastener and the lock catch, the disconnection force exerted by the lock catch on the arc face of the jump fastener is constant, service life of the lock catch and the jump fastener can be prolonged favorably, and work stability and reliability of the breaker operating mechanism are increased.
Description
Technical field
The present invention relates to breaker technical field, more particularly to a kind of quick conjunction point not constant open circuit of slide fastener and tripping force
Device operating mechanism.
Background technology
Chopper is the terminal unit of distribution line, with the features such as small volume, modularization, is mainly used in protective wire
Road.The operating mechanism wide variety of chopper, most power using between connecting rod transmit to realize dynamic/static contact closure and separate
Process, the purpose for realizing threading off by the conversion between the double leval jib and five connecting rods of operating mechanism.
As Chinese patent literature CN102426999A discloses a kind of operating mechanism of modularized breaker, which includes dynamic touching
Head, static contact, the operation handle being pivoted on case for circuit breaker, case for circuit breaker is pivoted on by the second pivot
Contact is supported, the return spring being connected with shell and operating mechanism respectively, the energy storage bullet being connected with shell and contact support respectively
Spring, connecting rod, lever and lock, lever and lock are pivoted on contact respectively and support, the first hasp face on lever with
There is between the second hasp face on lock contact locking and locking two states are separated, and under contact lock-out state, thick stick
Bar, lock and contact are supported can not be with respect to free movement between three；And in the case where released state is separated, lever and lock can be relative
Support freely to rotate in contact.Moving contact is pivoted on contact by the first attachment structure and compression spring and supports, the bullet
Spring one end and contact are supported be connected, and the other end is connected with moving contact, the spring energy-storage to the moving contact being under closure state
Contact pressure is provided with static contact.
However, there is problems with use in the prior art：1st, do not have in the description of the prior art
Have a concrete shape in the second hasp face of the first hasp face that discloses and lock, but by its accompanying drawing as can be seen that its lever
Second hasp face of the first hasp face and lock is flat face, when lever is by pivoting about center rotating, realizes and lock
When snap lock or releasing process, the track that any point is slipped on its first hasp face is all with lever pivoting centre as circle
The circular arc of the heart, but the first hasp face is straight, and therefore the arc track radius slipped over by points different thereon is also different, this
It will not be a fixed circular arc that sample results in the track that the second hasp face of the lock slips over, and be applied on the lock
Torsion spring is just non-constant by the tripping force that lock passes to lever, and tripping force is non-constant will be unfavorable for circuit breaker operation mechanism
Job stability, nor beneficial to lever and lock service life；2nd, in the prior art, its connecting rod one end and behaviour
It is hinged as handle, the other end is hinged with lever, connecting rod is arranged on the second of lever with the first center of rotation that lever is articulated and connected
Between pivoting centre and the first hasp face, and the company between first center of rotation and the second center of rotation of rod hinge connection connection
The extended line of line is passed through from the second pivoting centre of lever with the 3rd pivoting centre of lock, and the two architectural features realize thick stick
Locking or unblock between bar and lock, in the design process, preferable state is to stablize position first when operation handle is stable
Put or during the second settling position, the first hasp face of lever and the complete hasp in the second hasp face of lock realize locking, so
And, in actual production, production length and the design length of connecting rod have error and connecting rod can not be protected in batch production
Demonstrate,prove each length of connecting rod unanimously, the presence of the problem causes, when operation handle turns to settling position, to drive by connecting rod and turn
Dynamic lever does not turn to the position of initial designs, so as to the first hasp face for causing lever can not be taken with the second of lock
The complete hasp of buckle side, lever can not be returned to initial, set position when resetting, and this kind of situation causes dynamic/static contact quickly closing
Easily there is slide fastener during point, had a strong impact on the reliability and stability of circuit breaker operation mechanism work.
The content of the invention
For this purpose, the technical problem to be solved be overcome in prior art circuit breaker operation mechanism in locking and
In releasing process, between lock and tripping, tripping force is non-constant, is unfavorable for the prolongation of lock and tripping service life, and is unfavorable for
The problem of operating mechanism job stability, it is constant with tripping tripping force so as to provide one kind lock during locking and unblock,
Be conducive to extending lock and tripping service life and further improve the breaker operator of circuit breaker operation mechanism functional reliability
Mechanism.
Further provide for it is a kind of during quick close point between lock and tripping be not in slide fastener breaker operator
Mechanism.
To solve above-mentioned technical problem, the present invention provides a kind of circuit breaker operation mechanism, and which includes transmission component, the biography
Dynamic component includes that the contact being pivoted on case for circuit breaker supports and be pivoted on respectively that the contact is supported
Lock and tripping, the lock and the tripping have the hasp face for being suitable to that both lock or depart from respectively；The lock and institute
When stating tripping hasp, the transmission component is in the lock state, and described lock to the tripping applies tripping force；The tripping
Hasp face is the arc surface with its pivotal point as the center of circle, and during the tripping is threaded off with the lock, the lock is taken
The track that buckle side slides on the hasp face of the tripping is the circular arc with the pivotal point of the tripping as the center of circle.
The hasp face of the lock is the arc surface matched with the hasp face of the tripping.
The circuit breaker operation mechanism also includes the drive component being connected with the transmission component, and the drive component includes
The operation handle and one end being pivoted on the case for circuit breaker is hinged in the operation handle, and the other end is connected to institute
State the connecting rod on transmission component.
The operation handle has and the transmission component is promoted and propped up by the connecting rod makes transmission component rotation
The first settling position and the connecting rod to lock-out state is departed to be offseted with the transmission component and makes transmission component revolution
To the second settling position for unlocking steady statue.
The connecting rod is U-shaped connecting rod, and which is hinged on the relative other end in described operation handle one end and is slideably inserted in
During the contact supports the sliding groove of molding, when the lock is with the tripping hasp, the U-shaped connecting rod inserts the slip
Groove one end is offseted with the side of the sliding groove, makes the contact support to return back to its unblock settling position, in the lock
After button is threaded off with the tripping, the U-shaped connecting rod departs to offset with the irregularly-shaped hole side makes the contact support to return back to which
Unblock settling position.
The U-shaped connecting rod includes the support bar at both ends and connection both ends, in the lock and the tripping hasp
When, the line of the support bar and the end being hinged in the operation handle passes through or is close to the pivot of the operation handle
Point.
Irregularly-shaped hole is formed on the lock, one end of the U-shaped connecting rod is inserted into described touching through after the irregularly-shaped hole
In the sliding groove that head is supported, when the operation handle turns to first settling position, the end of the U-shaped connecting rod is supported
The lock and the tripping hasp, the operation handle is made to return back to the described second stable position in the lock face of the irregularly-shaped hole
When putting, it is stable that the end of the U-shaped connecting rod makes the lock return back to its unblock with the lock face disengaging of the irregularly-shaped hole
Position.
The hasp face of the tripping is the first hasp face, and the tripping also includes the be connected on the first hasp face
One locating surface, the tripping and the contact are connected with tripping reduction torsion spring between supporting；The hasp face of the lock is second
Hasp face, the lock also include the second locating surface being connected with the second hasp face, and the lock is supported with the contact
Between be connected with lock reduction torsion spring, the tripping with it is described lock thread off after, it is described lock and the tripping respectively in institute
State under lock reduction torsion spring and the tripping reduction torsion spring reset torsion, turn to unblock settling position rotating around respective pivotal point
Dynamic, when the lock turns to its unblock settling position, second locating surface props up the first locating surface of the tripping and makes institute
State tripping stable in unblock settling position.
The circuit breaker operation mechanism is also multiple with the handle on the case for circuit breaker including the operation handle is connected to
Position torsion spring and one end are fixed on the case for circuit breaker, and the other end is fixed on the reset tension spring that the contact is supported, institute
State and latch with after tripping dropout, it is stable that the operation handle is returned back to described second by the torsion of the handle reduction torsion spring
Position, the contact are supported to be returned back to its unblock settling position by the reset tension spring pulling force.
The tripping is also included for carrying out the positioning of position restriction perpendicular to its rotational plane direction to described latching in
Arm, the registration arm extend and are covered on the lock to the lock, make the lock be sandwiched in the described fixed of the tripping
Between position arm and the contact are supported.
The transmission component is connected with the moving contact of the chopper, and the operation handle turns to the first settling position
When, the transmission component drives the moving contact to contact with the static contact of chopper, and the transmission component is steady to unblock by external force
Positioning is driven the moving contact to depart from and is contacted with the static contact when putting rotation, it is stable that the operation handle returns back to described second
Position.
One end of the moving contact is articulated with the upper of the contact support, connects between the moving contact and contact support
Contact torsion spring is connected to, is provided with the case for circuit breaker for limiting turned position after the moving contact is departed from the static contact
Limiting plate.
The case for circuit breaker is provided with to be supported to return back to the limit convex of its unblock settling position for limiting the contact
Platform.
The contact support to form for limit it is described latch in which with tripping dropout after, return back to its unblock
First positive stop lug boss of settling position.
Electromagnetic system, middle iron core and the tripping interval one of the electromagnetic system are additionally provided with the case for circuit breaker
Set a distance is correspondingly arranged, and the middle iron core stretches out the promotion tripping makes the tripping thread off with the lock.
Thrermostatic bimetal-plate is provided with the case for circuit breaker, dropout is provided between the tripping and the thrermostatic bimetal-plate and is connected
Bar, described trip link one end are connected with the tripping, and the other end is correspondingly arranged with fixed interval with the thrermostatic bimetal-plate, institute
Stating thrermostatic bimetal-plate heated bending promotes the trip link motion to drive the tripping to thread off with the lock.
The above-mentioned technical proposal of the present invention has advantages below compared to existing technology：
1st, in the present invention, the hasp face of its tripping is to support the pivotal point that rotate circular arc as the center of circle around contact with tripping
Face, during tripping is threaded off with the lock, the track that the hasp face of lock is slided on the hasp face of the tripping be with
Circular arc of the pivotal point of tripping for the center of circle, so that during tripping is threaded off with lock by rotation, lock is applied to tripping circular arc
Tripping force on face is constant, not only improves the job stability for improving circuit breaker operation mechanism, can extend lock and tripping again
Service life.
2nd, in the present invention, hasp face of its lock is the arc surface matched with the hasp face of tripping, this kind arrange into
One step improves the job stability of operating mechanism, also further realizes, to tripping and the protection of lock, being conducive to further prolonging
Long lock and the service life of tripping.
3rd, in the present invention, its connecting rod is U-shaped connecting rod, and the U-shaped rod hinge connection other end relative in operation handle one end can
It is slidably inserted in the sliding groove that contact supports upper molding, when lock is with tripping hasp, is slided by inserting U-shaped connecting rod
Groove one end is offseted with irregularly-shaped hole side, so as to the restriction for realizing supporting contact so as to can not return back to its unblock settling position,
After lock is threaded off with tripping, U-shaped connecting rod departs to offset with irregularly-shaped hole side makes contact support to return back to its unblock settling position.
4th, in the present invention, by the molding irregularly-shaped hole on lock, one end of U-shaped connecting rod is made to be inserted into through after irregularly-shaped hole
In the sliding groove that contact is supported, when operation handle turns to the first settling position, abnormity is against by making the end of U-shaped connecting rod
The lock face in hole makes lock and tripping hasp, realizes the locking of lock and tripping, further, the end of U-shaped connecting rod also with touch
Head supports that the side of sliding groove offsets, therefore, this kind of the present invention is arranged and realizes lock, tripping, contact support, U-shaped connecting rod
Locking between four, and when operation handle returns back to the second settling position, the end of U-shaped connecting rod and the lock face of irregularly-shaped hole
Disengaging makes lock return back to its unblock settling position, also, due to the end of U-shaped connecting rod, after lock is threaded off with tripping, departs from
Contact with the lock face of irregularly-shaped hole so that even if the length dimension of the U-shaped connecting rod produced is inconsistent with the length dimension of design,
Its unblock settling position is returned back in the presence of can also making to latch in lock reduction torsion spring, so that fast in killer switch
Speed is closed during dividing, and is not in slide fastener between lock and tripping.
5th, in the present invention, U-shaped connecting rod includes the support bar at both ends and connection both ends, in lock and tripping hasp
When, the line of support bar and the end being hinged in operation handle pass through or Proximity operation handle pivotal point, this kind of setting make
When the side of the other end and the sliding groove of contact support that obtain U-shaped connecting rod offsets, U-shaped connecting rod can obtain enough support mechanical resistances
Only contact is supported to unlock settling position revolution to which.
6th, in the present invention, it is fixed first to be also respectively connected with the second hasp face of the first hasp face of its tripping and lock
Plane and the second locating surface, after tripping is threaded off with lock, lock and tripping reset in lock reduction torsion spring and tripping respectively and turn round
Under spring reset torsion, rotate to unblock settling position rotating around respective pivotal point, when lock turns to its unblock settling position,
Second locating surface of lock props up the first locating surface of tripping so that tripping is stable in unblock settling position, and this kind is arranged can be with
Prevent tripping from being resetted by lock and when reversing revolution under twisting force, exceed its unblock settling position, further increase operating mechanism
Job stability.
7th, in the present invention, its tripping is also included for carrying out position restriction perpendicular to its rotational plane direction to latching in
Registration arm, the registration arm extends and is covered on lock to lock, so that lock is sandwiched in the registration arm of tripping with contact
Between holding, this kind is arranged and prevents lock operationally to occur rocking in the vertical direction of its rotational plane, is conducive to improving
The reliability of lock work, further improves operating mechanism job stability.
Description of the drawings
In order that present disclosure is more likely to be clearly understood, the specific embodiment below according to the present invention is simultaneously combined
Accompanying drawing, the present invention is further detailed explanation, wherein
Fig. 1 is the installation diagram of the circuit breaker operation mechanism with case for circuit breaker of the present invention；
Fig. 2 is the lock and tripping installation diagram of the present invention；
Fig. 3 is the structural representation of the tripping of the present invention；
Fig. 4 is the structural representation of the lock of the present invention；
Fig. 5 is the structural representation that the contact of the present invention is supported；
Fig. 6 is the installation diagram of the lock and tripping hasp state of the present invention；
Fig. 7 is the installation diagram of the lock and tripping trip status of the present invention；
Fig. 8 is the dimensional structure diagram of the lock and tripping hasp state of the present invention.
In figure, reference is expressed as：The support of 1- contacts, 11- tripping reduction torsion springs, 12- sliding grooves, 13- points are convex, 2- is jumped
Button, 27- registration arm, the first hasps of 21- face, the first locating surfaces of 22-, 23- draw-in grooves, the second pivoting holes of 24-, the second pivots of 25-,
The 3rd pivots of 26-, 28- contact torsion springs, 3- connecting rods, 4- operation handles, 5- handle reduction torsion springs, 6- reset tension springs, 8- locks are multiple
Position torsion spring, 9- locks, 91- lock faces, the second hasps of 92- face, the second locating surfaces of 93-, the first pivoting holes of 95-, the first pivots of 10-
Axle, 12- sliding grooves, 13- contact torsion springs, 15- static contacts, 16- thrermostatic bimetal-plates, 17- trip links, 18- electromagnetic systems, 181-
Middle iron core, 19- case for circuit breaker, 20- moving contacts, 31- positive stop lug boss, the first positive stop lug boss of 32-.
Specific embodiment
The specific embodiment of the present invention is described in detail below in conjunction with accompanying drawing.It should be appreciated that this place is retouched
The specific embodiment stated is merely to illustrate and explains the present invention, is not limited to the present invention.
Fig. 1 shows the installation diagram of circuit breaker operation mechanism and the case for circuit breaker of the present invention, wherein, the present embodiment it is disconnected
Road device operating mechanism includes transmission component, and the transmission component includes that the contact being pivoted on case for circuit breaker 19 supports 1
And be pivoted on the contact respectively and support that the lock 9 on 1 and tripping 2, the lock 9 and the tripping 2 have respectively
It is suitable to the hasp face that both lock or depart from.
It should be noted that as shown in figure 1, the first pivoting hole is formed in contact support 1, the contact supports that 1 passes through
First pivoting hole is sleeved on the first pivot 10, so as to be installed in rotation on case for circuit breaker 19, in the present embodiment
In, first pivot 10 is arranged with 19 split of case for circuit breaker, while the first pivot 10 is fixed on case for circuit breaker 19, when
So first pivot 10 can also be the pivot pin being molded on case for circuit breaker 19, and the present embodiment does not make concrete limit to this
System.In addition, as shown in figure 1, it is described lock 9 and the tripping 2 form the second pivoting hole 24 and the 3rd pivoting hole respectively, it is described
Lock 9 and the tripping 2 pass through the second pivot 25 respectively and the 3rd pivot 26 is pivotally mounted on the contact and supports on 1, together
Sample, both second pivot 25 and the 3rd pivot 26 are not limited with the mode that is fixedly connected of case for circuit breaker 19 respectively
System.
In the present embodiment, as shown in Figure 1, Figure 2 with shown in Fig. 6, it is described lock 9 with 2 hasp of tripping when, it is described herein
" hasp " refers to that the hasp face of the lock 9 is overlapped completely with the lock face of the tripping 2, and the transmission component is generally in lock
Determine state, i.e., described contact supports that the 1, lock 9 and 2 three of the tripping are locked as an entirety, can not between three
Relative motion.Now, the hasp of the lock 9 applies tripping force towards the hasp face of the tripping 2, and the tripping force orders about described
There is the movement tendency for departing from the 2 hasp face of tripping in the hasp face of lock 9.
In the present embodiment, damaged by the tripping force to reduce the lock 9 and the tripping 2, such as Fig. 2 and Tu
Shown in 4, the hasp face of the tripping 2 is the arc surface with its pivotal point as the center of circle, is threaded off with the lock 9 in the tripping 2
During, the track that the hasp face of the lock 9 is slided on the hasp face of the tripping 2 is with the pivotal point of the tripping 2
For the circular arc in the center of circle, the pivotal point is the center of the 3rd pivoting hole of tripping described above 2, and this kind of set-up mode causes described
During threading off with the lock 9, it is permanent that the lock 9 is applied to the tripping force on the arc surface of the tripping 2 for tripping 2
It is fixed, so, the job stability for improving circuit breaker operation mechanism is not only improved, the lock 9 and the tripping 2 can be extended again
Service life.
Further, in the present embodiment, as shown in Figures 2 and 3, the hasp face of the lock 9 is and the tripping 2
The arc surface that hasp face matches, this kind of set-up mode further ensures the lock 9 and the tripping 2 is threaded off when threading off
Power it is constant, further increase the job stability of circuit breaker operation mechanism, be more beneficial for certainly extending the lock 9 and institute
State the service life of tripping 2.
In the present embodiment, as shown in figure 1, the circuit breaker operation mechanism also includes the drive being connected with the transmission component
Dynamic component, the drive component include the operation handle 4 being pivoted on the case for circuit breaker 19 and connecting rod 3, the company
3 one end of bar is hinged in the operation handle 4, and the other end is connected to the transmission component, herein described " connection " including but
It is not limited to contact.
In the present embodiment, as shown in Figure 6 and Figure 7, the operation handle 4 has and is promoted and propped up by the connecting rod 3
The transmission component is so that the transmission component turns to the first settling position of lock-out state, and the connecting rod 3 departs from
Offset with the transmission component so that the transmission component returns back to the second settling position of unblock steady statue.
On the basis of the above, the connecting rod 3 is U-shaped connecting rod, and so-called U-shaped connecting rod refers to the two ends of connecting rod respectively to same side
To bending, entirety is made to appear as a " u "-shaped, in the present embodiment, as shown in Fig. 1, Fig. 5 and Fig. 7, the U-shaped connecting rod one
End is hinged on the upper of the operation handle 4, and the other end at the U-shaped connecting rod two ends is slideably inserted in the contact and supports 1
In the sliding groove 12 of upper molding, when the lock 9 is with 2 hasp of tripping, the U-shaped connecting rod inserts the sliding groove 12
This one end is offseted with the side of the sliding groove 12, and the power that offsets prevents the contact to support 1 from returning back to the stable position of its unblock
Put, need exist for supporting that 1 " unblock settling position " is illustrated to the contact, it is described to latch 9 and 2 hasp of the tripping
When, the contact supports that 1 location is lock-out state settling position, after the lock 9 is threaded off with the tripping 2, described
It is its unblock settling position that contact supports 1 to return back to the settling position not being rotated further by.
Further, the U-shaped connecting rod includes both ends and the volume support bar being connected to described in two between end, in institute
When stating lock 9 with 2 hasp of tripping, the line of the support bar and the end being hinged in the operation handle 4 pass through or
Be close to the pivotal point of the operation handle, it is described lock 9 with 2 hasp of tripping when, the lock 9, the tripping 2 and institute
State contact and support 1 three locking, and the locking of contact support 1 is inserted in the sliding groove 12 by the U-shaped connecting rod
In the contact, end supports that the contact is withstood on 1 gyratory directions supports 1 to prevent which from returning back to its unblock settling position,
And the contact supports 1 in three's lock-out state, which has a turning power to unblock settling position revolution, and the turning power is led to
Cross the U-shaped connecting rod and pass to the operation handle 4, due to the now support bar be hinged in the operation handle 4
The line of end passes through or is close to the pivotal point of the operation handle 4, therefore in this position, the operation handle 4, the U-shaped connect
Bar 3 and the contact support a locking mechanism is constituted between 1 three, therefore, with reference to foregoing description content, the now behaviour
Make handle 4, the U-shaped connecting rod 3, the contact and support that the 1, lock 9 and the tripping 2 constitute a big locked machine
Structure, this kind of set-up mode cause the lock 9 and the tripping 2 in hasp, and its lock-out state is more reliable stable, is conducive to carrying
The job stability of the lock-out state of high circuit breaker operation mechanism.
On the basis of the above, further specifically, as shown in Fig. 1, Fig. 3, Fig. 6 and Fig. 7, form on the lock 9
Irregularly-shaped hole, described U-shaped connecting rod one end are inserted in the sliding groove 12 that the contact supports 1 through after the irregularly-shaped hole, by
Fig. 1, Fig. 6 can be seen that the size that the size of the irregularly-shaped hole inserts the irregularly-shaped hole medial end portions more than the U-shaped connecting rod.
In the present embodiment, when the operation handle 4 turns to its first settling position, the end of the U-shaped connecting rod is against described different
On the lock face 91 in shape hole, so that the lock 9 and 2 hasp of the tripping；As the size of the irregularly-shaped hole is more than the U
The size of the shape connecting rod end, when described U-shaped connecting rod end is against on the lock face 91 of the irregularly-shaped hole, the U-shaped connecting rod
The end and other edges of the irregularly-shaped hole between also leave gap, therefore when the operation handle 4 returns back to described
During two settling positions, the end of the U-shaped connecting rod is departed from the lock face 91 of the irregularly-shaped hole, is adjusted by the gap
With the relative position of the irregularly-shaped hole, so that the lock 9 returns back to its unblock settling position, the present embodiment passes through institute
State the setting of irregularly-shaped hole so that the U-shaped connecting rod has an adjustable space with the relative position of the lock 9, therefore, when
When the part U-shaped connecting rod size that mass-produces is inconsistent, it is also possible to make the lock 9 in the lock reduction torsion spring
Its unblock settling position is returned back under effect, so that during killer switch is quickly closed and divided, between lock and tripping
It is not in slide fastener.
Further, as shown in figure 4, the hasp face of the tripping 2 is the first hasp face 21, the tripping 2 also includes connecting
The first locating surface 22 being connected on the first hasp face 21, the tripping 2 and the contact support to be connected with tripping between 1 again
Position torsion spring 11, the hasp face of the lock 9 is the second hasp face 92, and the lock 9 also includes and the second hasp face
Second locating surface 93 of 92 connections, the lock 9 and the contact support lock reduction torsion spring 8 is connected between 1, need explanation
, described 11 one end of tripping reduction torsion spring is fixed on the contact and supports that the other end is fixed in the tripping 2, in institute on 1
State lock 9 with 2 hasp of tripping when, i.e., described tripping 2 in locking steady statue when, the tripping reduction torsion spring 11 is stored
There is reset torsion, the reset torsion orders about the tripping 2 and returns back to its unblock steady statue；Likewise, the lock resets and turns round
8 one end of spring is fixed on the contact and supports on 1, and the other end is fixed on the lock 9, and the lock reduction torsion spring 8 orders about described
Lock 9 returns back to its unblock settling position.
During use, after the tripping 2 is threaded off with the lock 9, the lock 9 and the tripping 2 are respectively in the lock
Under button 11 reset torsion of reduction torsion spring 8 and the tripping reduction torsion spring, rotate to unblock settling position rotating around respective pivotal point,
When the lock 9 turns to its unblock settling position, second locating surface 93 props up the first locating surface 22 of the tripping 2 and makes
The tripping 2 is stable in unblock settling position.Pass through first locating surface 22 and second locating surface 93 in the present embodiment
Setting can prevent the tripping 2 latch reset twisting force under turn round when exceed its unblock settling position so that it is described
Cooperation between tripping 2 and the lock 9 is more accurate, further increases the job stability of circuit breaker operation mechanism.
In addition, in the present embodiment, as shown in figure 1, the circuit breaker operation mechanism also includes being connected to the manipulator
Handle reduction torsion spring 5 and one end on handle 4 and the case for circuit breaker 19 is fixed on the case for circuit breaker 19, the other end
The reset tension spring 6 being fixed in the contact support 1, described 5 one end of handle reduction torsion spring is fixed on the case for circuit breaker 19
On, the other end is fixed in the operation handle 4, and when the operation handle 4 is in first settling position, i.e., it is described
When latching 9 with 2 hasp of tripping, the handle reduction torsion spring 5 stores reset torsion, and the reset torsion orders about the operation
Handle 4 returns back to second settling position by first settling position；It is described lock 9 with 2 hasp of tripping when, institute
Stating contact and 1 being supported in its locking steady statue, now, the reset tension spring 6 stores reset pulling force, and the reset pulling force has drawing
The dynamic contact supports 1 the trend that steady statue returns back to its unblock steady statue is locked by which.Therefore, when in use, it is described
After lock 9 is threaded off with the tripping 2, it is steady that the operation handle 4 is returned back to described second by the torsion of the handle reduction torsion spring 5
Positioning is put, and the contact supports 1 to be returned back to its unblock settling position by 6 pulling force of the reset tension spring.
Further, the tripping 2 is also included for carrying out position perpendicular to its rotational plane direction to the lock 9
The registration arm 27 of restriction, the registration arm 27 extend and are covered on the lock 9, so that the lock to the lock 9
Button 9 is sandwiched in the registration arm 27 and the contact of the tripping 2 and supports between 1, and this kind of set-up mode prevents the lock 9
Occur rocking during use in the vertical direction of its rotational plane, be conducive to improving the reliability of lock work, further improve
Operating mechanism job stability.
In the present embodiment, as shown in Figure 6 and Figure 8, the transmission component is connected with the moving contact 20 of the chopper,
When the operation handle 4 turns to first settling position, the transmission component drives the moving contact 20 and the open circuit
The static contact 15 of device is contacted；As shown in fig. 6, the transmission component drives described moving to touch when being rotated to unblock settling position by external force
20 are departed from and are contacted with the static contact 15, and the operation handle 4 returns back to second settling position.
Specifically, as shown in Figure 6 and Figure 8, the contact supports that 1 is connected with the moving contact 20, the operation handle 4
When turning to first settling position, the U-shaped connecting rod promotes the contact to support 1 to turn to its locking steady statue, this
Shi Suoshu contacts support that 1 drives the moving contact 20 to turn to the position contacted with the static contact 15 just；As described in Figure 7,
The tripping 2 by external force to its unlock steady statue rotate when, the tripping 2 and it is described lock 9 thread off, it is described lock 9, it is described
Tripping 2 and the contact support that 1 three unblock, the contact support that 1 is stable to its unblock in the case where the reset tension spring 6 is acted on
Position is turned round, and the contact supports 1 to drive the moving contact 20 to depart from the contact with the contact head 15.
Further, in the present embodiment, as shown in Figure 6 and Figure 7, one end of the moving contact 20 is articulated with the contact
Support 1 it is upper, the moving contact 20 and the contact are supported to be connected with contact torsion spring 28, described 28 one end of contact torsion spring between 1
It is fixed on the contact and supports that one end is fixed on the moving contact 20 on 1, is provided with for limiting in the case for circuit breaker 19
The limiting plate 30 of turned position after the disengaging of the moving contact 20 and the static contact 15, when the contact support 1 drive it is described dynamic
After contact 20 is departed from and contacted with the static contact 15, the moving contact 20 is hindered by the limiting plate 30 in rotation process
Hinder, the contact supports that 1 is rotated further, now the contact torsion spring 28 starts to store reset torsion, 28 He of contact torsion spring
The setting of the limiting plate 30 can reduce the rotation space taken after the moving contact 20 departs from the static contact 15, from entirety
From the point of view of effect, the overall volume of chopper is reduced, cost has been saved.
In addition, in the present embodiment, such as Fig. 6, Fig. 7 and Fig. 8, in the case for circuit breaker 19, electromagnetic system 18 is additionally provided with,
The middle iron core 181 of the electromagnetic system 18 is kept at a certain distance away with the tripping 2 and is correspondingly arranged, described herein to keep at a certain distance away
Refer to, when be short-circuited in chopper circuit failure when, the middle iron core 181 stretches out and the tripping 2 can be promoted to make the jump
Button 2 is threaded off with the lock 9.
Further, such as Fig. 6, Fig. 7 and Fig. 8, in the case for circuit breaker 19, thrermostatic bimetal-plate 16, the tripping are additionally provided with
Trip link 17 is provided between 2 and the thrermostatic bimetal-plate 16,17 one end of the trip link is connected with the tripping 2, another
End is correspondingly arranged with fixed interval with the thrermostatic bimetal-plate 16, and fixed interval described herein are referred to, when the thermometal piece 16
Heated bending can promote the motion of the trip link 17 to drive the tripping 2 to thread off with the lock 9.
According to structure described above, illustrate below according to accompanying drawing the circuit breaker operation mechanism of the present embodiment with
The course of action of dynamic/static contact and electromagnetic system（That is the overall course of action of chopper）：
Breaker open operation action：
As shown in Figure 6 and Figure 8, when current overload in chopper circuit, the thrermostatic bimetal-plate 16 is heated bending to the right
The trip link 17 is driven to move right, the trip link 17 drives the tripping 2 to rotate in the counterclockwise direction, so that
The tripping 2 is threaded off with the lock 9, and now, the lock 9, tripping 2 and the contact support 1 three unblock, institute
Stating contact and 1 being supported under the pulling force of the reset tension spring 6, the U is promoted by the side wall of the sliding groove 12 of molding thereon
Shape connecting rod is moved downward, and the U-shaped connecting rod promotes the lock face 91 of the lock 9 to rotate counterclockwise the lock 9, when described
After lock 9 rotates counterclockwise a small distance, the lock 9 is threaded off completely with the tripping 2, now, the contact support 1 by
In certain angle has been turned round, which inserts weakening against power in the sliding groove 12 with the U-shaped connecting rod or disappears, should be against power
The locking for realizing supporting the contact 1 is not enough to, so now 1 is supported by the lock 9, tripping 2, the contact
And the quadric chain unblock that the U-shaped connecting rod is constituted.Then, the answering in the handle reduction torsion spring 5 of the operation handle 4
Rotated to second settling position from first settling position counterclockwise under the torsion of position, the operation handle 4 drives the U
Shape connecting rod 3 supports 1 12 upward sliding of the sliding groove along the contact, until the operation handle 4 turns to described second
Stop during settling position, while the contact supports 1 around 10 counterclockwise rotates of the first pivot, the contact supports 1
Upper-end part of driving counterclockwise rotates stop to during the positive stop lug boss 31, and at this moment the lower end part of the U-shaped connecting rod 3 is along institute
State contact and support that 1 sliding groove 12 is interior in relatively fixed position, at this moment the lock 9 is in lock reduction torsion spring 8
It is rotated clockwise to during first positive stop lug boss 32 stopping under active force, meanwhile, the tripping 2 resets in the tripping
Under 11 reset torsion of torsion spring, 1 pivoting centre is supported along the contact（The center of the first pivot）It is rotated clockwise, until
First locating surface 22 of the tripping 2 is stopped when being contacted with second locating surface 93 of the lock 9, during this, institute
State moving contact 15 and support that 1 contact center of rotation is counterclockwise revolved around the contact under the active force of the contact torsion spring 12
Stop when going to the limiting plate 30, circuit breaker operation mechanism completes everything since then, switches off, eliminate fault current.
In addition, when be short-circuited failure when, 4 action of described middle iron core of the electromagnetic system 18 promotes the tripping 2 counterclockwise
Rotation, its subsequent action is as above.
Breaker closing action：
As shown in fig. 7, when the operation handle around the case for circuit breaker 19 pivoting centre rotationally clockwise, institute
Stating operation handle 4 promotes the U-shaped connecting rod to support that along the contact 1 12 slide downward of the sliding groove, the U-shaped connecting rod exist
Contact with the lock face 91 of the lock 9 in sliding process, 9 counterclockwise rotates of the lock are made until latching 9
Stop when first locating surface 22 of second locating surface 92 and the tripping 2 is completely attached to（I.e. it is described lock 9 with it is described
2 hasp of tripping）, the lock 9 is pinned with the tripping 2, when the U-shaped connecting rod 3 supports 1 sliding groove along the contact
Support the lock 9 and the tripping 2 and the contact during 12 continuation slide downward mutually locked between 1 three, at this moment
The U-shaped connecting rod promotes the contact to support that 1 is rotated clockwise around first pivot 10, and drives associated components to turn
It is dynamic, stop when the operation handle 4 is rotated to the first settling position, the lock 9, tripping 2 and the contact are propped up
Hold 1 and turn to its unblock settling position, the moving contact 20 is completely attached to the static contact 15, and switch is powered.
Obviously, above-described embodiment is only intended to clearly illustrate example, and the not restriction to embodiment.It is right
For those of ordinary skill in the art, can also make on the basis of the above description other multi-forms change or
Change.There is no need to be exhaustive to all of embodiment.And thus it is extended obvious change or
Among changing still in the protection domain of the invention.
Claims (12)
1. a kind of circuit breaker operation mechanism, which includes transmission component, and the transmission component includes being pivoted on case for circuit breaker
(19) contact on is supported (1) and is pivoted on the contact respectively to support the lock (9) on (1) and tripping (2), described
Lock (9) and the tripping (2) have the hasp face for being suitable to that both lock or depart from respectively；
When the lock (9) is with the tripping (2) hasp, the transmission component is in the lock state, the hasp of the lock (9)
Hasp face towards the tripping (2) applies tripping force；
It is characterized in that：
The hasp face of the tripping (2) is the arc surface with its pivotal point as the center of circle, in the tripping (2) and the lock (9)
During dropout, the track that the hasp face of the lock (9) is slided on the hasp face of the tripping (2) is with the tripping
(2) circular arc of the pivotal point for the center of circle；
The circuit breaker operation mechanism also includes the drive component being connected with the transmission component, and the drive component includes pivoting
Operation handle (4) and one end on the case for circuit breaker (19) is hinged in the operation handle (4), and the other end connects
The connecting rod (3) being connected on the transmission component；
The operation handle (4) with promoted by the connecting rod (3) and prop up the transmission component make the transmission component turn
Move to first settling position and the connecting rod (3) of lock-out state to depart to offset with the transmission component and make the transmission component
Return back to the second settling position of unblock steady statue；
The connecting rod (3) is U-shaped connecting rod, and which is hinged on the relative other end in the operation handle (4) one end and is slidably inserted into
Support on (1) in the sliding groove (12) of molding, when the lock (9) is with the tripping (2) hasp in the contact, the U
Shape connecting rod is inserted described sliding groove (12) one end and is offseted with the side of the sliding groove (12), makes the contact support that (1) can not
Its unblock settling position is returned back to, after the lock (9) and the tripping (2) dropout, the U-shaped connecting rod and the sliding groove
Side departs to offset makes the contact support that (1) returns back to its unblock settling position；
Irregularly-shaped hole is formed on the lock (9), one end of the U-shaped connecting rod is inserted into the contact through after the irregularly-shaped hole
In supporting the sliding groove (12) of (1), when the operation handle (4) turns to first settling position, the U-shaped connecting rod
The end be against the lock face (91) of the irregularly-shaped hole and make the lock (9) with the tripping (2) hasp, the operation handle
(4), when returning back to second settling position, the end of the U-shaped connecting rod is departed from the lock face (91) of the irregularly-shaped hole
The lock (9) is made to return back to its unblock settling position.
2. circuit breaker operation mechanism according to claim 1, it is characterised in that：The hasp face of the lock (9) is and institute
State the arc surface that the hasp face of tripping (2) matches.
3. circuit breaker operation mechanism according to claim 2, it is characterised in that：The U-shaped connecting rod include both ends and
Connection both ends support bar, when the lock (9) is with the tripping (2) hasp, the support bar be hinged on the behaviour
The line for making the end on handle (4) passes through or is close to the pivotal point of the operation handle (4).
4. circuit breaker operation mechanism according to claim 3, it is characterised in that：The hasp face of the tripping (2) is first
Hasp face (21), the tripping (2) also include the first locating surface (22) being connected on the first hasp face (21), the jump
Button (2) is supported to be connected with tripping reduction torsion spring (11) between (1) with the contact；Take for second in the hasp face of the lock (9)
Buckle side (92), the lock (9) also include the second locating surface (93) being connected with the second hasp face (92), the lock
(9) support between (1), to be connected with lock reduction torsion spring (8) with the contact, thread off with the lock (9) in the tripping (2)
Afterwards, the lock (9) and the tripping (2) are multiple in lock reduction torsion spring (8) and the tripping reduction torsion spring (11) respectively
Under the torsion of position, rotate to unblock settling position rotating around respective pivotal point, the lock (9) turns to its unblock settling position
When, second locating surface (93) props up first locating surface (22) of the tripping (2) makes the tripping (2) stable steady in unblock
Positioning is put.
5. according to arbitrary described circuit breaker operation mechanism in claim 1-4, it is characterised in that：The circuit breaker operation mechanism
Also include that the handle reduction torsion spring (5) that is connected on the operation handle (4) and the case for circuit breaker (19) and one end are solid
It is scheduled on the case for circuit breaker (19), the other end is fixed on the reset tension spring (6) on contact support (1), the lock
(9) with the tripping (2) dropout after, the operation handle (4) is returned back to described the by the torsion of the handle reduction torsion spring (5)
Two settling positions, the contact support that (1) is returned back to its unblock settling position by the reset tension spring (6) pulling force.
6. according to arbitrary described circuit breaker operation mechanism in claim 1-4, it is characterised in that：The tripping (2) also includes
For the registration arm (27) of position restriction, the registration arm are being carried out perpendicular to its rotational plane direction to the lock (9)
(27) extend and be covered on the lock (9) to the lock (9), make the lock (9) be sandwiched in the described of the tripping (2)
Registration arm (27) is supported between (1) with the contact.
7. according to arbitrary described circuit breaker operation mechanism in claim 1-4, it is characterised in that：The transmission component with it is described
The moving contact (20) of chopper is connected, and when the operation handle (4) turns to the first settling position, the transmission component drives
The moving contact (20) is contacted with the static contact (15) of chopper, when the transmission component receives external force to unblock settling position rotation
Drive the moving contact (20) to depart to contact with the static contact (15), it is stable that the operation handle (4) returns back to described second
Position.
8. circuit breaker operation mechanism according to claim 7, it is characterised in that：One end of the moving contact (20) is articulated with
The contact supports that the upper of (1), the moving contact (20) are supported to be connected with contact torsion spring (28), institute between (1) with the contact
State and be provided with case for circuit breaker (19) for limiting turned position after the moving contact (20) is departed from the static contact (15)
Limiting plate (30).
9. according to arbitrary described circuit breaker operation mechanism in claim 1-4, it is characterised in that：The case for circuit breaker (19)
It is provided with and supports that (1) returns back to the positive stop lug boss (31) of its unblock settling position for limiting the contact.
10. according to arbitrary described circuit breaker operation mechanism in claim 1-4, it is characterised in that：The contact is supported on (1)
Form for the lock (9) being limited after which is threaded off with the tripping (2), return back to the first limit of its unblock settling position
Position boss (32).
11. according to arbitrary described circuit breaker operation mechanism in claim 1-4, it is characterised in that：In the case for circuit breaker
(19) electromagnetic system (18) is additionally provided with, middle iron core (181) and the tripping (2) of the electromagnetic system (18) are spaced a spacing
From being correspondingly arranged, the middle iron core (181) stretches out the promotion tripping (2) makes the tripping (2) thread off with the lock (9).
12. according to arbitrary described circuit breaker operation mechanism in claim 1-4, it is characterised in that：The case for circuit breaker
(19) thrermostatic bimetal-plate (16) is provided with, be provided with trip link (17) between the tripping (2) and the thrermostatic bimetal-plate (16),
Described trip link (17) one end is connected with the tripping (2), and the other end is with the thrermostatic bimetal-plate (16) with fixed interval pair
Should arrange, thrermostatic bimetal-plate (16) heated bending promotes trip link (17) motion to drive the tripping (2) and institute
State lock (9) dropout.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310450733.0A CN103545150B (en) | 2013-09-27 | 2013-09-27 | Breaker operating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310450733.0A CN103545150B (en) | 2013-09-27 | 2013-09-27 | Breaker operating mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103545150A CN103545150A (en) | 2014-01-29 |
| CN103545150B true CN103545150B (en) | 2017-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310450733.0A Active CN103545150B (en) | 2013-09-27 | 2013-09-27 | Breaker operating mechanism |
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Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104167333B (en) * | 2014-08-20 | 2016-01-06 | 加西亚电子电器有限公司 | A kind of miniature circuit breaker |
| CN106548912B (en) * | 2015-09-22 | 2019-08-09 | 浙江正泰电器股份有限公司 | Breaker |
| CN107293457A (en) * | 2016-04-12 | 2017-10-24 | 上海良信电器股份有限公司 | A kind of contact system structure-improved of breaker |
| CN106206190B (en) * | 2016-08-30 | 2018-09-18 | 德力西电气有限公司 | A kind of divide-shut brake control structure and the breaker with it |
| CN109859966B (en) * | 2017-11-30 | 2024-02-27 | 常熟开关制造有限公司(原常熟开关厂） | Auxiliary switch of switch device |
| CN108010820A (en) * | 2017-12-22 | 2018-05-08 | 上海诺雅克电气有限公司 | Breaker |
| CN109148232B (en) * | 2018-07-13 | 2024-04-19 | 浙江正泰电器股份有限公司 | Circuit breaker |
| CN109243932B (en) * | 2018-10-11 | 2024-04-09 | 上海永继电气股份有限公司 | Breaker operating system |
| CN109585233B (en) * | 2018-12-28 | 2024-05-14 | 浙江正泰电器股份有限公司 | Small-sized circuit breaker |
| CN112771641B (en) * | 2019-06-25 | 2024-05-17 | Abb瑞士股份有限公司 | Motor operator for a circuit breaker and method for manufacturing a motor operator |
| CN111755292A (en) * | 2020-07-08 | 2020-10-09 | 上海瑞忒尔电气技术有限公司 | Fixing buckle of plug-in small-sized fuse type switch device |
| CN113035654B (en) * | 2021-04-23 | 2024-08-30 | 浙江天正电气股份有限公司 | Small-sized circuit breaker |
| CN113078036B (en) * | 2021-04-30 | 2024-09-20 | 科都电气股份有限公司 | Operation tripping system of miniature circuit breaker |
| CN113871265B (en) * | 2021-09-30 | 2024-09-06 | 环宇高科有限公司 | Switching-on and switching-off mechanism of circuit breaker |
| CN113851356B (en) * | 2021-09-30 | 2023-07-21 | 环宇高科有限公司 | Small-sized breaker |
| CN114093729B (en) * | 2021-11-12 | 2024-07-19 | 国网江苏省电力有限公司盐城供电分公司 | Tripping mechanism suitable for circuit breaker |
| CN114093728A (en) * | 2021-11-12 | 2022-02-25 | 国网江苏省电力有限公司盐城供电分公司 | Miniature circuit breaker |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6812423B1 (en) * | 2003-10-24 | 2004-11-02 | Eaton Corporation | Circuit breaker including lock for operating mechanism linkage |
| CN201117601Y (en) * | 2007-10-19 | 2008-09-17 | 李剑鸣 | Tripping mechanism of miniature circuit breaker |
| CN202513093U (en) * | 2012-03-31 | 2012-10-31 | 温州奥来电器有限公司 | Bidirectionally wirable electromagnetic leakage circuit breaker with over-current protection |
| CN202905630U (en) * | 2012-07-11 | 2013-04-24 | 法纳通电器(上海)有限公司 | Wall switch with protection function |
| CN103050342B (en) * | 2012-12-20 | 2014-10-15 | 李敏 | Circuit breaker operation mechanism and circuit breaker |
| CN203466147U (en) * | 2013-09-27 | 2014-03-05 | 浙江大华开关厂 | Breaker operation mechanism |
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2013
- 2013-09-27 CN CN201310450733.0A patent/CN103545150B/en active Active
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| CN103545150A (en) | 2014-01-29 |
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Address after: 325604 No. 86 long march road, Liushi Town, Zhejiang, Yueqing Applicant after: ZHEJIANG DAHUA ELECTRIC CO.,LTD. Address before: 325604, No. 9, Temple Road, Xinguang industrial district, Liushi Town, Yueqing, Zhejiang, Wenzhou Applicant before: Zhejiang Dahua Switch Factory |
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Free format text: CORRECT: APPLICANT; FROM: ZHEJIANG DAHUA SWITCH FACTORY TO: ZHEJIANG DAHUA ELECTRIC CO., LTD. |
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Effective date of registration: 20180529 Address after: 325603 Wenzhou bridge industrial area, Yueqing, Zhejiang (within the fly electric explosion protection apparatus Co., Ltd.) Patentee after: WENZHOU RUIRUI ELECTRIC Co.,Ltd. Address before: 325604 Changzheng Road, Liushi Town, Yueqing, Zhejiang Province, No. 86 Patentee before: ZHEJIANG DAHUA ELECTRIC CO.,LTD. |
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| CP01 | Change in the name or title of a patent holder | ||
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Address after: 325603 Wenzhou bridge industrial area, Yueqing, Zhejiang (within the fly electric explosion protection apparatus Co., Ltd.) Patentee after: Ruirui Electric (Zhejiang) Co.,Ltd. Address before: 325603 Wenzhou bridge industrial area, Yueqing, Zhejiang (within the fly electric explosion protection apparatus Co., Ltd.) Patentee before: WENZHOU RUIRUI ELECTRIC Co.,Ltd. |