CN207587664U - The miniature circuit breaker of multipole linkage - Google Patents
The miniature circuit breaker of multipole linkage Download PDFInfo
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- CN207587664U CN207587664U CN201721634457.3U CN201721634457U CN207587664U CN 207587664 U CN207587664 U CN 207587664U CN 201721634457 U CN201721634457 U CN 201721634457U CN 207587664 U CN207587664 U CN 207587664U
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- 230000007246 mechanism Effects 0.000 claims abstract description 43
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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 18
- 238000010586 diagram Methods 0.000 description 11
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 3
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- 229910052737 gold Inorganic materials 0.000 description 3
- 238000004904 shortening Methods 0.000 description 3
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- 230000003111 delayed effect Effects 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
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- 230000004888 barrier function Effects 0.000 description 1
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- 230000008859 change Effects 0.000 description 1
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- 238000004519 manufacturing process Methods 0.000 description 1
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Abstract
A kind of miniature circuit breaker of multipole linkage, including multiple breakers, including the connecting rod being arranged between two adjacent breakers, the both sides of described connecting rod one end are respectively arranged with A columns and C columns, B columns and D columns are respectively arranged in the both sides of the connecting rod other end, rod slide is mounted between two neighboring breaker, lock of the C columns and D columns respectively with the moving contact of the breaker of connecting rod side and operating mechanism is oppositely arranged, and the lock of the A columns and B columns respectively with the moving contact of the breaker of connecting rod opposite side and operating mechanism is oppositely arranged.The lock that the moving contact for the breaker that the utility model passes through upper strata drives link motion to realize the breaker of lower floor acts so that the breaker linkage of lower floor is threaded off, so as to shorten the delay time of conventional handle linkage or plunger linkage.
Description
Technical field
The utility model is related to Low Voltage Electrical Apparatus, particularly a kind of miniature circuit breaker of multipole linkage.
Background technology
Miniature circuit breaker is mainly used for exchanging 50Hz, and rated voltage to 400V was risen in the circuit of rated current to 63A
It carries, short-circuit protection effect, while can also infrequently break-make electrical installation and illuminating line, but inapplicable under normal circumstances
In protection motor.In existing structure, connection is realized by the plunger between pole and pole or handle between multipole small-size breaker
It moves, however either plunger links or handle linkage is often tripped there is upper strata circuit breaker failure and the event of lower floor's breaker
The problems such as barrier tripping asynchronous or delay time is larger, it is impossible to meet the market demand and user experience.At the same time, when disconnected
When the upper strata of road device is spliced into attachment, such as shunt release, device for under-voltage releasing equipment, over-pressed buckle releaser etc., due to attachment and open circuit
There is delay tripping effect between device, will appear immediate current in the breaker of lower floor, this electric current can cause the person or
The damage of equipment causes unnecessary injury.
Utility model content
The purpose of the utility model is to overcome the defects of the prior art, it is short, safe and reliable, full to provide a kind of delay time
The miniature circuit breaker of the multipole linkage of the sufficient market demand.
To achieve the above object, the utility model employs following technical solution：
A kind of miniature circuit breaker of multipole linkage, including multiple breakers 4, be equipped in breaker 4 operating mechanism and with
The moving contact 6 of operating mechanism linkage, further includes the connecting rod 5 being arranged between two adjacent breakers 4, described 5 one end of connecting rod
Both sides be respectively arranged with A columns 51 and C columns 53, be respectively arranged with B columns 52 and D columns 54, wherein A in the both sides of 5 other end of connecting rod
Column 51 and B columns 52 are located at the same side of connecting rod 5, and C columns 53 and D columns 54 are located at the same side of connecting rod 5, during splicing, multiple breakers 4
Fitting setting side by side, connecting rod 5 is slidably mounted between two neighboring breaker 4, the C columns 53 and D columns 54 respectively with connecting rod 5
The moving contact 6 of the breaker 4 of side and the lock 30 of operating mechanism are oppositely arranged, the A columns 51 and B columns 52 respectively with connecting rod
The moving contact 6 of the breaker 4 of 5 opposite sides and the lock 30 of operating mechanism are oppositely arranged.
Preferably, the C columns 53 of the connecting rod 5 are symmetrical arranged with A columns 51, and the B columns 52 are symmetrical arranged with D columns 54,
The distance between the inside of the C columns 53 and the inside of B columns 52 be equal to A columns 51 inside and D columns 54 inside between away from
From.
Preferably, the distance between the inside of the C columns 53 of the connecting rod 5 and the inside of B columns 52 are less than the inside of A columns 51
The distance between inside of D columns 54.
Preferably, B columns convex ribs 521 are equipped on the side wall of 51 side of A columns in B columns 52 so that the inside of C columns 53 and B
The distance between inside of column 52 is less than the distance between the inside of A columns 51 and the inside of D columns 54, alternatively, in C columns 53 close to D
The side wall of 54 side of column is equipped with C columns convex ribs 531 so that the distance between the inside of C columns 53 and the inside of B columns 52 are less than A columns
The distance between 51 inside and the inside of D columns 54, alternatively, being equipped with B column convex ribs on the side wall of 51 side of A columns in B columns 52
521, C columns convex ribs 531 are equipped on the side wall of 54 side of D columns in C columns 53 so that the inside of C columns 53 and the inside of B columns 52 it
Between distance be less than the distance between inside of inside and D columns 54 of A columns 51.
Preferably, the A columns 51 of the connecting rod 5 and C columns 53 are respectively with the moving contact 6 of two adjacent breakers 4 close to behaviour
The end for making one end of the contact support of mechanism is oppositely arranged.
Preferably, convex ribs, the company are equipped on the end of 2 one end of handle of breaker 4 in the lock 30 of breaker 4
Convex ribs of the B columns 52 and D columns 54 of bar 5 respectively with the lock 30 in two adjacent breakers 4 are oppositely arranged.
Preferably, the shell structure of the breaker 4 is matched by cover board 9 with pedestal 16 forms, and is equipped in housing
Handle 10, operating mechanism, moving contact 6, static contact 19, magnetictrip, arc-chutes 23, bimetal leaf 28 and two wire connection terminals
26, the handle 10 is contacted or detached the break-make so as to fulfill circuit with static contact 19 by operating mechanism driving moving contact 6,
The magnetictrip is mounted on the middle part of pedestal 16 and is oppositely arranged respectively with operating mechanism and moving contact 6, and described goes out
Arc chamber 23 is mounted on the lower section of magnetictrip and is oppositely arranged with moving contact 6, and two wire connection terminals 26 are separately mounted to pedestal
16 both ends, the bimetal leaf 28 is connected with one of wire connection terminal 26 and is oppositely arranged with operating mechanism, described
Static contact 19 be connected with another wire connection terminal 26.
Preferably, the magnetictrip includes stent 27, and the stent 27 passes through a U-shaped connecting plate and double gold
Belong to piece 28 with wire connection terminal 26 to be connected, and stent 27 is abutted against with the adjusting screw 29 being fixedly mounted on pedestal 16, lead to
Crossing rotation adjusting screw 29 can deform upon stent 27 so as to adjust bimetal leaf 28 by stent 27 and U-shaped connecting plate
Relative position.
Preferably, on the upper strata of the breaker 4 of multiple splicings, splicing has attachment 7, in additional 7 breaker with being disposed adjacent
Connecting rod 5 is slidably fitted between 4, the C columns 53 and D columns 54 of the connecting rod 5 are oppositely arranged respectively with the actuating mechanism in attachment 7,
The A columns 51 and B columns 52 of connecting rod 5 match, and attached respectively with the moving contact 6 of the breaker 4 positioned at 7 lower floor of attachment and lock 30
Part 7 is opened away from opening away from that is, the gap between the dynamic/static contact in attachment 7 is less than the moving contact in breaker 4 less than breaker 4
Gap between 6 and static contact 19.
Preferably, the D columns 54 and A columns 51 match respectively with the lock 30 of two neighboring breaker 4 and moving contact 6
It closes, wherein the distance between the inside of D columns 54 and the inside of A columns 51 are at least open circuit for the length of distance L, the distance L
Under 4 "on" position of device, the distance between the lock 30 of the breaker 4 of lower floor and the moving contact 6 of breaker 4 on upper strata, the company
The distance between the inside of the A columns 51 of bar 5 and the inside of B columns 52 for inside and the C columns 53 of distance M and D column 54 inside it
Between distance for distance N, the length of the distance M and the length of distance N are at least under 4 "on" position of breaker, breaker 4
The distance between interior lock 30 and moving contact 6.
The miniature circuit breaker of the multipole linkage of the utility model by the connecting rod that is slidably installed between two neighboring pole breaker,
And the both ends of connecting rod are oppositely arranged respectively with the moving contact of two neighboring pole breaker and lock, pass through the dynamic of the breaker on upper strata
The lock that contact drives link motion to realize the breaker of lower floor acts so that and the breaker linkage of lower floor is threaded off, so as to shorten
Conventional handle linkage or the delay time of plunger linkage ensure that between multipole circuit breaker connection can be completed in a relatively short time
Dynamic tripping, improves functional reliability and the safety of multipole circuit breaker, disclosure satisfy that the market demand and the experience of user, together
When, the distance between inside of inside and B columns of C columns by shortening connecting rod, can further shorten the breaker on upper strata with
The delay time of the intertrip of the breaker of lower floor.In addition, when splicing has attachment on multipole circuit breaker, by making attachment
Open away from less than breaker open away from so that dynamic/static contact in attachment can be first closed with the dynamic/static contact in breaker,
The moving contact and static contact being located at during this in breaker of lower floor are not closed, and are produced so as to avoid transient current.
Description of the drawings
Fig. 1 is the internal structure schematic diagram of the breaker of utility model；
Fig. 2 is multiple breakers of utility model and the splicing construction schematic diagram of attachment；
Fig. 3 is the structure diagram of the connecting rod of utility model；
Fig. 4 is the structure diagram of one embodiment of the connecting rod of utility model；
Fig. 5 is the structure diagram of another embodiment of the connecting rod of utility model；
Fig. 6 is the structure diagram of another embodiment of the connecting rod of utility model；
Fig. 7 is the structure diagram of another embodiment of the connecting rod of utility model；
Fig. 8 is the assembling structure schematic diagram of the pedestal and handle spring and arm spring of utility model；
Fig. 9 is the structure diagram of multiple circuit breaker handles linkage of utility model；
Figure 10 is the assembling structure schematic diagram of the C columns and D columns and breaker of utility model；
Figure 11 is the assembling structure schematic diagram of the A columns and B columns and breaker of utility model.
Specific embodiment
The embodiment of the utility model is provided below in conjunction with attached drawing 1 to 11, further illustrates the multipole connection of the utility model
Dynamic miniature circuit breaker specific embodiment.The miniature circuit breaker of the multipole linkage of the utility model is not limited to following embodiment
Description.
As shown in Figures 1 to 3, the miniature circuit breaker of the multipole linkage of the utility model includes multiple breakers 4, in breaker
Moving contact 6 in 4 equipped with operating mechanism and with operating mechanism linkage, further includes and is arranged between two adjacent breakers 4
Connecting rod 5, the both sides of described 5 one end of connecting rod are respectively arranged with A columns 51 and C columns 53, are respectively arranged in the both sides of 5 other end of connecting rod
B columns 52 and D columns 54, wherein A columns 51 and B columns 52 are located at the same side of connecting rod 5, and C columns 53 and D columns 54 are located at the same side of connecting rod 5,
During splicing, fitting setting, connecting rod 5 are slidably mounted between two neighboring breaker 4 multiple breakers 4 side by side, the C columns 53
It is oppositely arranged respectively with the moving contact 6 of (upper strata) breaker 4 of side and the lock 30 of operating mechanism with D columns 54, the A columns
51 and B columns 52 are oppositely arranged respectively with the moving contact 6 of (lower floor) breaker 4 of opposite side and the lock 30 of operating mechanism.Work as position
In upper strata breaker 4 because of failure, such as overvoltage or during under-voltage protection tripping, the operating mechanism of the breaker 4 on upper strata is threaded off, upper strata
The moving contact 6 of breaker 4 rotated to disconnected lock direction and C columns 53 driven to move (some point of moving contact 6 on its rotation path
Place can contact with C columns 53 and C columns 53 is driven to move), C columns 53 move makes B columns 52 drive the disconnected of lower floor so as to which connecting rod 5 be driven to slide
The lock 30 of the operating mechanism of road device 4 moves, the lock 30 of the operating mechanism of the breaker 4 of lower floor and the breaker 4 of lower floor
The separation of tripping 14 of operating mechanism makes the breaker 4 of lower floor thread off, so that the moving contact 6 of the breaker 4 of lower floor is to disconnected lock
Direction rotates and trips；When the breaker 4 positioned at upper strata is because of short-circuit protection tripping, the operating mechanism of the breaker 4 on upper strata takes off
It detains and D columns 54 is driven to move, D columns 54 move the moving contact 6 so as to which connecting rod 5 be driven to slide the breaker 4 that A columns 51 is made to drive lower floor
It rotates and trips to disconnected lock direction.The utility model is connected by the connecting rod 5 that is slidably installed between two neighboring pole breaker 4
The both ends of bar 5 30 are oppositely arranged respectively with the moving contact of two neighboring pole breaker 46 and lock, pass through the dynamic of the breaker 4 on upper strata
Contact 6 drives the movement of connecting rod 5 to realize that the lock 30 of the breaker 4 of lower floor acts so that and the linkage of breaker 4 of lower floor is threaded off, from
And the delay time of conventional handle linkage or plunger linkage is shortened, it can be in a relatively short period of time between guarantee multipole circuit breaker
Intertrip is completed, functional reliability and the safety of multipole circuit breaker is improved, disclosure satisfy that the market demand and the body of user
It tests.Specifically, as shown in FIG. 10 and 11, the connecting rod 5 includes substrate 55, and the substrate 55 is by 551 He of the first slide plate
Second slide plate 552 misplaces end to end formation, and the A columns 51 and C columns 53 are separately positioned on the first slide plate 551 far from
The both sides of two slide plates, 552 one end, the B columns 52 and D columns 54 are separately positioned on and slide plate 552 is far from the first slide plate
The both sides of 551 one end, A columns 51 and C columns 53 are respectively with the moving contact 6 of two adjacent breakers 4 close to the contact of operating mechanism
The end of one end of support is oppositely arranged, there are gap between A columns 51 and C columns 53 and moving contact 6, upper strata breaker it is dynamic
Contact 6 pushes C columns 53 to trigger the circuit breaker tripping of lower floor after threading off, and breaker 4 lock 30 close to breaker 4 hand
The end of 2 one end of handle is equipped with convex ribs, the B columns 52 and D columns 54 of the connecting rod 5 respectively with the lock in two adjacent breakers 4
The convex ribs of button 30 are oppositely arranged, can there are gaps between B columns 52 and D columns 54 and lock 30.
As shown in figure 4, a specific embodiment of the connecting rod 5 of the utility model is, the connecting rod 5 is symmetrical junction
Structure, i.e. C columns 53 are symmetrical arranged with A columns 51, and the B columns 52 are symmetrical arranged with D columns 54, inside and the B columns 52 of the C columns 53
The distance between inside be equal to the distance between the inside of A columns 51 and the inside of D columns 54, however use above-mentioned full symmetric knot
Its delay time of the connecting rod 5 of structure or not ideal enough is needed by shortening C columns 53 close to the side of D columns 54 and B columns 52 close to A
When the breaker 4 on upper strata and the delay of the intertrip of the breaker 4 of lower floor are further shortened in the distance between side of column 51
Between.
Another embodiment of the connecting rod 5 of the utility model is, the connecting rod 5 is unsymmetric structure, the C columns
The distance between 53 inside and the inside of B columns 52 are less than the distance between the inside of A columns 51 and the inside of D columns 54, so as to contract
The spacing of short C columns 53 and moving contact 6 also shortens the spacing of B columns 52 and lock 30 so that connecting rod 5 link thread off when energy
Enough compared with fast motion, the delay time that multipole circuit breaker linkage is threaded off further is shortened.
Specifically, as shown in figure 5, B columns convex ribs 521 are equipped on the side wall of 51 side of A columns in B columns 52, so as to extend
The overall width of B columns 52 simultaneously reduces the inside of C columns 53 and the inner distance of B columns 52 so that the inside of C columns 53 and B columns 52
The distance between inside be less than the distance between the inside of A columns 51 and the inside of D columns 54 because failure link tripping when, upper strata
The lock 30 of breaker 4 detached with tripping 14, the moving contact 6 of the breaker 4 on upper strata is rotated to disconnected lock direction, described dynamic to touch
First 6 connect and drive link 5 is slided with the interior side contacts of the C columns 53 of connecting rod 5 so that the B columns convex ribs 521 on the B columns 52 of connecting rod 5
Inside and the lock 30 of breaker 4 of lower floor connect, the lock of the breaker 4 of the B columns convex ribs 521 driving lower floor
30 rotations make to detach with the tripping of the breaker of lower floor 4 14, and the moving contact 6 of the breaker 4 of lower floor is rotated and jumped to disconnected lock direction
Lock.The utility model by setting B columns convex ribs 521 on the B columns 52 of connecting rod 5, so as to shorten between B columns 52 and lock 30
Away from, so as to further shorten the delay time that multipole circuit breaker linkage is threaded off, but it is also opposite using this structure design
Reduce the distance between the inside of A columns 51 and the inside of B columns 52, if between the inside of A columns 51 and the inside of B columns 52 away from
From the distance between the lock 30 less than breaker 4 and moving contact 6, then it can lead to 4 direct slide fastener of breaker or breaker 4
Operating mechanism is stuck, so there are certain malfunction or stuck risks.
Alternatively, as shown in fig. 6, C columns convex ribs 531 are equipped on the side wall of 54 side of D columns in C columns 53, so as to extend C
The overall width of column 53 simultaneously reduces the distance between the inside of C columns 53 and the inside of B columns 52 so that the inside of C columns 53 and B columns
The distance between 52 inside is less than the distance between the inside of A columns 51 and the inside of D columns 54 when because of failure linkage tripping, on
The lock 30 of the breaker 4 of layer is detached with tripping 14, and the moving contact 6 of the breaker 4 on upper strata is rotated to disconnected lock direction, and described is dynamic
Contact 6 is connect with the interior side contacts of the C columns convex ribs 531 of connecting rod 5 and drive link 5 is slided so that the inside of the B columns 52 of connecting rod 5
Connected with the lock 30 of the breaker 4 of lower floor, the B columns 52 driving lower floor breaker 4 lock 30 rotation make with
The tripping 14 of the breaker 4 of lower floor detaches, and the moving contact 6 of the breaker 4 of lower floor is rotated and tripped to disconnected lock direction.This practicality is new
Type by setting C columns convex ribs 531 on the C columns 53 of connecting rod 5, so as to shorten the spacing of C columns 53 and moving contact 6, so as into
The delay time for shortening multipole circuit breaker linkage and threading off of one step, but D columns are also relatively reduced using this structure design
The distance between 54 inside and the inside of C columns 53 are broken if the distance between the inside of D columns 54 and the inside of C columns 53 are less than
The distance between lock 30 and moving contact 6 of road device 4 can then lead to the operating mechanism of 4 direct slide fastener of breaker or breaker 4
It is stuck, so equally existing certain malfunction or stuck risk.
Again alternatively, as shown in fig. 7, B columns 52 on the side wall of 51 side of A columns be equipped with B columns convex ribs 521, leaned in C columns 53
The side wall of nearly 54 side of D columns is equipped with C columns convex ribs 531, so as to extend the overall width of B columns 52 and C columns 53 and reduce C columns
53 inside and the distance between inside so that the distance between the inside of C columns 53 and the inside of B columns 52 are less than A columns 51
When because of failure linkage tripping, lock 30 and the tripping 14 of the breaker 4 on upper strata divide for the distance between inside and the inside of D columns 54
From the moving contact 6 of the breaker 4 on upper strata is rotated to disconnected lock direction, and the moving contact 6 is interior with the C columns convex ribs 531 of connecting rod 5
Side contacts connection and drive link 5 is slided so that the inside of the B columns convex ribs 521 of the B columns 52 of connecting rod 5 and the breaker 4 of lower floor
Lock 30 connects, and the rotation of lock 30 of the breaker 4 of the B columns convex ribs 521 driving lower floor makes and the breaker of lower floor 4
Tripping 14 detach, the moving contact 6 of the breaker 4 of lower floor is rotated and is tripped to disconnected lock direction.
As shown in Figure 1, the shell structure of the breaker 4 of the utility model is matched with pedestal 16 by cover board 9 and is formed, in shell
Handle 10, operating mechanism, moving contact 6, static contact 19, magnetictrip, arc-chutes 23, retainer 25, double gold are installed in vivo
Belong to piece 28 and two wire connection terminals 26, the handle 10 drives moving contact 6 to contact or divide with static contact 19 by operating mechanism
From the break-make so as to fulfill circuit, the magnetictrip be mounted on the middle part of pedestal 16 and respectively with operating mechanism and dynamic tactile
First 6 are oppositely arranged for instantaneous trip, and the arc-chutes 23 are mounted on the lower section of magnetictrip and are set relatively with moving contact 6
It puts for arc extinguishing, the bottom that the retainer 25 is arranged on housing is used to breaker 4 being fixedly mounted on clamp rail, and two connect
The both ends that line terminals 26 are separately mounted to pedestal 16 are used for wiring, the bimetal leaf 28 and one of 26 phase of wire connection terminal
It connects and is simultaneously oppositely arranged with operating mechanism for delayed releasing, the static contact 19 is connected use with another wire connection terminal 26
In conduction.
Specifically, as shown in figure 8, one end of the handle 10 is articulated in the end of pedestal 16, handle by Handle axis 11
10 abut against with the handle spring 20 being socketed in Handle axis 11 so as to which the other end protrusion with elastic-restoring force, handle 10 is set
It puts outside the housing of breaker 4 for operating, resetting spring 12, one end of the resetting spring 12 is also socketed on handle 10
It extends on the lock 30 of operating mechanism and is used to provide Elastic Contact for the unlock dropout of miniature circuit breaker with 30 clamping of lock
Power.
The operating mechanism includes U-shaped lever 13, tripping 14, lock 30 and is articulated in pedestal by arm spring 21
Contact on 16 supports that one end that the contact is supported is hinged by U-shaped lever 13 and handle 10, the other end and breaker 4
Moving contact 6 is connected so as to form circuit breaker operation mechanism double leval jib, and the tripping 14 is articulated on pedestal 16 and one
Overlap joint is supported for being driven in end with contact, and for the other end with 30 overlap joint cooperation of lock for latching and threading off, the lock 30 is logical
It crosses and is arranged on the locating shaft 31 at 30 middle part of lock and is articulated in the lower section of handle 10, latch 30 one end and bimetal leaf 28 with respect to setting
It puts to contact for the iron core 15 of delayed releasing, the other end and magnetictrip in 28 heated bending of bimetal leaf
It is oppositely arranged for instantaneous trip.
The magnetictrip includes the stent 27 for being used to support coil rack and supporting plate 24, on coil rack
Coil and the iron core 15 that is arranged in coil, the coil be connected by brush wire with bimetal leaf 28 for being powered,
The end of the iron core 15 and lock 30 is oppositely arranged for instantaneous trip, and when breaker passes through overload current, electromagnetism takes off
Button device coil generate magnetic field make iron core 15 overcome the spring movement in coil and hit lock 30 end unlock lock 30,
The stent 27 is connected by a U-shaped connecting plate with bimetal leaf 28 and wire connection terminal 26, and stent 27 is with fixing
Adjusting screw 29 on pedestal 16 abuts against, and can deform upon stent 27 so as to logical by rotating adjusting screw 29
It crosses stent 27 and U-shaped connecting plate adjusts the relative position of bimetal leaf 28, double gold are in direct contact so as to avoid adjusting screw 29
Belong to piece 28 and caused by damage, and increase breaker delay adjustable extent, improve deferred action characteristic.In arc-chutes 23
Lower section be equipped with arc striking piece 22, one end of the arc striking piece 22 is connected with static contact 19.The other end extends to arc-chutes 23
Bottom is simultaneously oppositely arranged with 23 arc quenching plate of having nothing to do for striking, be additionally provided between static contact 19 and moving contact 6 two it is adjacent
The first arc separating wall 17 and the second arc separating wall 18 of setting.
As shown in figure 9, breaker 4 in multipole assembly by multiple 3 riveteds of rivet so that multiple breakers 4 it
Between closely connect, the sealing plug 2 that is oppositely arranged with operating mechanism is equipped on the side wall of outermost breaker 4, multiple disconnected
STATEMENT OF FEDERALLY SPONSORED 1 is set on the handle 10 of road device 4 and is linked so that being realized between multiple handles 10 by STATEMENT OF FEDERALLY SPONSORED 1, the STATEMENT OF FEDERALLY SPONSORED 1
By splicing between assembled axis 8 and multiple handles 10.
Particularly, as shown in Fig. 2, the upper strata splicing of the breaker 4 of multipole splicing has attachment 7, additional 7 with being disposed adjacent
Breaker 4 between be slidably fitted with connecting rod 5, the C columns 53 and D columns 54 of the connecting rod 5 respectively with the actuating mechanism phase in attachment 7
To setting, the A columns 51 and B columns 52 of connecting rod 5 match respectively with the moving contact 6 of the breaker 4 positioned at 7 lower floor of attachment and lock 30
Close, and attachment 7 open away from less than breaker 4 open away from.Specifically, the attachment 7 includes shunt release, undervoltage tripping
Device, over-pressed buckle releaser etc., when attachment 7 receives trip signal, the attachment 7 positioned at upper strata is in trip status, due to attachment 7
There is delay effect between breaker 4, then moving contact 6 and static contact 19 positioned at the breaker 4 of lower floor will first contact
It disconnects at once, causes to will appear immediate current in breaker 4, this electric current can lead to the damage of the person or equipment, and causing need not
The injury wanted.Therefore, in order to avoid handle 10 is closed by user misoperation so that immediate current occur in breaker 4 leads to people
The damage of body or equipment, by making the opening away from opening away from that is, between the dynamic/static contact in attachment 7 most less than breaker 4 of attachment 7
Small electric clearance is less than the minimum electric clearance between the moving contact 6 in breaker 4 and static contact 19, so that in attachment 7
Dynamic/static contact can first with breaker 4 in dynamic/static contact be closed, in this way be located at upper strata attachment 7 in the case where controlling signal attachment 7
For interior dynamic/static contact once being closed tripping at once, being then within the attachment 7 on upper strata makes the breaker 4 for being located at lower floor by connecting rod 5
Intertrip, in this process the moving contact 6 in the breaker of lower floor 4 and static contact 19 be not closed, so as to avoid
Transient current production.
Particularly, the D columns 54 of the connecting rod 5 and A columns 51 respectively with the lock 30 and moving contact of two neighboring breaker 4
6 match, and wherein the distance between the inside of D columns 54 and the inside of A columns 51 are at least breaker for distance L, the distance L
Under 4 "on" positions, the distance between the lock 30 of the breaker 4 of lower floor and the moving contact 6 of breaker 4 on upper strata, distance L is too small
The tripping 14 of the lock 30 of the breaker 4 on upper strata and the breaker 4 on upper strata may be caused to be constantly in discrete state, i.e. upper strata
Always in the state of dropout during breaker 4；The distance between the inside of the C columns 53 and the inside of B columns are distance H, described
Distance H be less than distance L.
The distance between the inside of the A columns 51 of the connecting rod 5 and the inside of B columns 52 are the inside of distance M and D column 54
The distance between inside of C columns 53 is at least for distance N, the distance M and distance N under 4 "on" position of breaker, open circuit
The distance between lock 30 and moving contact 6 in device 4, connecting rod 5 can be to the inside of breaker 4 if distance M and distance N are too small
Structure, which generates interference, makes breaker 4 that can not be closed.
Meanwhile when attachment 7 open away from less than breaker 4 open away from when, in order to ensure that attachment 7 is closed prior to breaker 4,
Can be distance H ＜ distances N≤distance M ＜ distance L under this technical solution, (do not change attachment 7 open away from when, distance H ＜
Distance N=distance M ＜ distance L) because opening away from small for the attachment 7 on upper strata, again moderately can inwardly prolong the inside of C columns 53
It stretches, shortens distance H, so as to shorten delay time.
The above content is combine specific preferred embodiment further detailed description of the utility model, it is impossible to
Assert that the specific implementation of the utility model is confined to these explanations.For the ordinary skill of the utility model technical field
For personnel, without departing from the concept of the premise utility, several simple deduction or replace can also be made, should all be regarded
To belong to the scope of protection of the utility model.
Claims (10)
1. a kind of miniature circuit breaker of multipole linkage, including multiple breakers (4), be equipped in breaker (4) operating mechanism and
With the moving contact (6) of operating mechanism linkage, it is characterised in that：Further include the company being arranged between two adjacent breakers (4)
Bar (5), the both sides of described connecting rod (5) one end are respectively arranged with A columns (51) and C columns (53), in the both sides of connecting rod (5) other end point
It is not provided with B columns (52) and D columns (54), wherein A columns (51) and B columns (52) are positioned at the same side of connecting rod (5), C columns (53) and D columns
(54) positioned at the same side of connecting rod (5), during splicing, fitting setting, connecting rod (5) are slidably mounted on phase to multiple breakers (4) side by side
Between adjacent two breakers (4), the C columns (53) and D columns (54) touch respectively with the dynamic of the breaker (4) of connecting rod (5) side
Head (6) and the lock (30) of operating mechanism are oppositely arranged, the A columns (51) and B columns (52) respectively with connecting rod (5) opposite side
The moving contact (6) of breaker (4) and the lock (30) of operating mechanism are oppositely arranged.
2. the miniature circuit breaker of multipole linkage according to claim 1, it is characterised in that：The C columns of the connecting rod (5)
(53) it is symmetrical arranged with A columns (51), the B columns (52) are symmetrical arranged with D columns (54), inside and the B columns of the C columns (53)
(52) the distance between inside is equal to the distance between the inside of A columns (51) and the inside of D columns (54).
3. the miniature circuit breaker of multipole linkage according to claim 1, it is characterised in that：The C columns of the connecting rod (5)
(53) the distance between inside and the inside of B columns (52) be less than A columns (51) inside and D columns (54) inside between away from
From.
4. the miniature circuit breaker of multipole linkage according to claim 3, it is characterised in that：In B columns (52) close to A columns (51)
The side wall of side is equipped with B columns convex ribs (521) so that the distance between the inside of C columns (53) and the inside of B columns (52) are less than A
The distance between the inside of column (51) and the inside of D columns (54)；
Alternatively, C columns (53) close to D column (54) side side wall on be equipped with C columns convex ribs (531) so that the inside of C columns (53) with
The distance between inside of B columns (52) is less than the distance between the inside of A columns (51) and the inside of D columns (54)；
Alternatively, B columns convex ribs (521) are equipped on side wall of the B columns (52) close to A column (51) side, in C columns (53) close to D columns
(54) side wall of side is equipped with C columns convex ribs (531) so that the distance between the inside of C columns (53) and the inside of B columns (52) are small
In the distance between the inside of A columns (51) and the inside of D columns (54).
5. the miniature circuit breaker of multipole linkage according to claim 1, it is characterised in that：The A columns (51) of the connecting rod (5)
With C columns (53) respectively with the moving contact (6) of two adjacent breakers (4) close to the end of one end that the contact of operating mechanism is supported
Portion is oppositely arranged.
6. the miniature circuit breaker of multipole linkage according to claim 1, it is characterised in that：Lock in breaker (4)
(30) convex ribs, the B columns (52) of the connecting rod (5) and D columns (54) are equipped with close to the end of handle (2) one end of breaker (4)
The convex ribs with the lock (30) in two adjacent breakers (4) are oppositely arranged respectively.
7. the miniature circuit breaker of multipole linkage according to claim 1, it is characterised in that：The housing of the breaker (4)
Structure is matched with pedestal (16) by cover board (9) and is formed, be equipped in housing handle (10), operating mechanism, moving contact (6),
Static contact (19), magnetictrip, arc-chutes (23), bimetal leaf (28) and two wire connection terminals (26), the handle
(10) moving contact (6) is driven to contact or detach break-make so as to fulfill circuit with static contact (19) by operating mechanism, it is described
Magnetictrip is mounted on the middle part of pedestal (16) and is oppositely arranged respectively with operating mechanism and moving contact (6), the arc extinguishing
Room (23) is oppositely arranged mounted on the lower section of magnetictrip and with moving contact (6), and two wire connection terminals (26) are separately mounted to
The both ends of pedestal (16), the bimetal leaf (28) are connected and opposite with operating mechanism with one of wire connection terminal (26)
Setting, the static contact (19) are connected with another wire connection terminal (26).
8. the miniature circuit breaker of multipole linkage according to claim 7, it is characterised in that：The magnetictrip includes
Stent (27), the stent (27) are connected by a U-shaped connecting plate with bimetal leaf (28) and wire connection terminal (26), and
And stent (27) is abutted against with the adjusting screw (29) being fixedly mounted on pedestal (16), it can by rotating adjusting screw (29)
Stent (27) is deformed upon so as to adjust the relative position of bimetal leaf (28) by stent (27) and U-shaped connecting plate.
9. the miniature circuit breaker of multipole linkage according to claim 1, it is characterised in that：In the breaker of multiple splicings
(4) upper strata splicing has attachment (7), and connecting rod (5), institute are slidably fitted between (7) and the breaker (4) being disposed adjacent additional
The C columns (53) and D columns (54) for stating connecting rod (5) are oppositely arranged respectively with the actuating mechanism in attachment (7), the A columns (51) of connecting rod (5)
It is matched, and attachment with the moving contact (6) of the breaker (4) positioned at attachment (7) lower floor and lock (30) respectively with B columns (52)
(7) open away from less than breaker (4) opening away from, i.e., the gap between the dynamic/static contact in attachment (7) be less than breaker (4) in
Gap between moving contact (6) and static contact (19).
10. the miniature circuit breaker of multipole linkage according to claim 1, it is characterised in that：The D columns (54) and A columns
(51) it is matched respectively with the lock (30) of two neighboring breaker (4) and moving contact (6), wherein the inside of D columns (54) and A
The distance between inside of column (51) is that the length of distance L, the distance L are at least under breaker (4) "on" position, lower floor
The distance between the moving contact (6) of breaker (4) on lock (30) and upper strata of breaker (4)；
The distance between the inside of the A columns (51) of the connecting rod (5) and the inside of B columns (52) are distance M and D column (54)
The distance between inside and the inside of C columns (53) are distance N, and the length of the distance M and the length of distance N are at least open circuit
Under device (4) "on" position, the distance between lock (30) and moving contact (6) in breaker (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721634457.3U CN207587664U (en) | 2017-11-29 | 2017-11-29 | The miniature circuit breaker of multipole linkage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721634457.3U CN207587664U (en) | 2017-11-29 | 2017-11-29 | The miniature circuit breaker of multipole linkage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207587664U true CN207587664U (en) | 2018-07-06 |
Family
ID=62734681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721634457.3U Active CN207587664U (en) | 2017-11-29 | 2017-11-29 | The miniature circuit breaker of multipole linkage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207587664U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108878226A (en) * | 2018-07-13 | 2018-11-23 | 浙江正泰电器股份有限公司 | Breaker |
-
2017
- 2017-11-29 CN CN201721634457.3U patent/CN207587664U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108878226A (en) * | 2018-07-13 | 2018-11-23 | 浙江正泰电器股份有限公司 | Breaker |
| CN108878226B (en) * | 2018-07-13 | 2024-05-17 | 浙江正泰电器股份有限公司 | Circuit breaker |
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