CN206148388U - Miniature circuit breaker and kick contact subassembly thereof - Google Patents

Miniature circuit breaker and kick contact subassembly thereof Download PDF

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Publication number
CN206148388U
CN206148388U CN201621074396.5U CN201621074396U CN206148388U CN 206148388 U CN206148388 U CN 206148388U CN 201621074396 U CN201621074396 U CN 201621074396U CN 206148388 U CN206148388 U CN 206148388U
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CN
China
Prior art keywords
kick
housing
contact assembly
connection sheet
circuit breaker
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Active
Application number
CN201621074396.5U
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Chinese (zh)
Inventor
范国平
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Huawei Boao Wenan Power Equipment Co ltd
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Individual
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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H73/00Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism
    • H01H73/02Details
    • H01H73/04Contacts

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  • Breakers (AREA)

Abstract

The utility model discloses a miniature circuit breaker and kick contact subassembly thereof, kick contact subassembly sets up in a miniature circuit breaker, miniature circuit breaker still includes the shell and sets up the stationary contact portion in the shell, kick contact subassembly includes the connection piece, kick ware casing and the transmission of connecting respectively on kick ware casing are caught hold of with a hook, catch bar and movable contact connecting portion, the connection piece is connected with the transmission hook, wherein, kick ware casing includes first casing and second casing that the lock is in the same place, the transmission hook, catch bar and movable contact connecting portion set up between first casing and second casing, the connection piece, the transmission hook, catch bar and movable contact connecting portion are on the coplanar. The utility model discloses a miniature circuit breaker and kick contact subassembly thereof has dwindled miniature circuit breaker's whole size, makes it to satisfy to standardize the requirement.

Description

A kind of miniature circuit breaker and its kick contact assembly
Technical field
The utility model is related to a kind of miniature circuit breaker, is the miniature open circuit for being related to a kind of more compact structure specifically The kick contact assembly of device.
Background technology
Miniature circuit breaker is widest a kind of terminal protection electrical equipment used in architectural electricity terminal power distribution draws.It is miniature Breaker is made up of close/open machine, contact, protection device, arc quenching system etc..Its operation principle is:It is (de- using protection device Button device) and electrical current heat component realization overload and short-circuit protection, when the electric current that the coil in electrical current heat component passes through is more than setting During current value, the dynamic iron core action of magnetictrip promotes strike bar to clash into operating mechanism, unlocks operating mechanism, makes open circuit Device separating brake and then disconnecting circuit, so as to realize the overload to circuit and short-circuit protection.After fault is discharged, then by division Brake mechanism carries out closing operation so as to connect circuit.At present, most miniature circuit breaker that China uses now is manual division Lock formula, manually stir close/open machine just can carry out make-break operation to circuit.Manual divide-shut brake formula miniature circuit breaker is tied Structure is simple, with low cost and does not need extra electric energy, thus breaking-closing operating can be carried out in the case of without electric energy, In being widely used in old electrical network.
But with the development of science and technology, intelligent appliance has obtained increasingly being widely applied, as protection electrical equipment Common miniature circuit breaker, is also badly in need of installing intelligence control system additional.In order to common miniature with wide variety of manual divide-shut brake formula Breaker matches, and now, mainly increasing one newly in common miniature circuit breaker side can be with the open circuit of the intelligent micro of remotely control Device, intelligent miniature circuit breaker drives other common miniature circuit breakers to carry out breaking-closing operating according to input control signal.
In order to further improve power information acquisition system expense control reliability, strengthen the quality pipe of the external breaker of electric energy meter Control, it is ensured that what power system safety and stability ran and formulated《The external Circuit breaker technology specification of electric energy meter》In profile to breaker Size has carried out strict specification and has limited, wherein, limit intelligent micro-circuit breaker and common miniature circuit breaker outer shape and Size is consistent, to ensure the uniformity of outward appearance, and conveniently carries out large-scale circuit breaker terminal equipment replacement.
But, due to increased intelligent controlling device, its size is typically than common for the intelligent micro-circuit breaker of prior art Miniature circuit breaker size is big, also inconsistent in profile, it is impossible to directly to use, using it is front need to first to placing the basis of miniature circuit breaker Equipment carries out adaptability reform, and early investment is big, long in time limit, is unfavorable for that intelligent grid advances process.
The contact assembly of intelligent micro-circuit breaker in prior art, such as notification number are special for the China of CN105070609A Profit, size is larger, it is impossible to meet the canonical sized requirement of intelligent micro-circuit breaker.
Utility model content
The purpose of this utility model is to provide a kind of miniature circuit breaker and its kick contact assembly, and uniform force, structure is tight Gather.
To achieve these goals, kick contact assembly of the present utility model is arranged in a miniature circuit breaker, described micro- Type breaker also includes shell and is arranged at the stationary contact portion of the inside the shell, the kick contact assembly include connection sheet, Kick device housing and the transmission hook being connected on the kick device housing, catch bar and movable contact connecting portion, the company Contact pin is connected with the transmission hook, wherein, the kick device housing includes the first housing and the second housing for snapping together, The transmission hook, catch bar and movable contact connecting portion are arranged between first housing and the second housing, the connection sheet, biography Sword, catch bar and movable contact connecting portion are at grade.
In one embodiment of above-mentioned kick contact assembly, it is described transmission hook include coupler body connecting portion and with the coupler body First coupler body and the second coupler body of connecting portion connection, first coupler body and second coupler body be symmetrical arranged and between there is sky Gap, one end of the connection sheet passes through the space and is connected on first coupler body and the second coupler body.
In one embodiment of above-mentioned kick contact assembly, first housing corresponds to first coupler body and second The position of coupler body has the spacing cell body for limiting first coupler body and the second coupler body pendulum angle.
In one embodiment of above-mentioned kick contact assembly, also including the first torsion spring part, the movable contact connecting portion passes through The first torsion spring part is connected on first housing.
In one embodiment of above-mentioned kick contact assembly, there is accommodating cell body, the storage tank in the first shell body There is in vivo the first axle body, the first torsion spring part is connected between the accommodating cell body and the movable contact connecting portion, and institute State movable contact connecting portion to be connected on the first axle body.
In one embodiment of above-mentioned kick contact assembly, the catch bar includes catch bar main body and protuberance, described Catch bar main body is located between first housing and the second housing, and the protuberance is connected in the catch bar main body and convex Outside second housing.
In one embodiment of above-mentioned kick contact assembly, also including the second torsion spring part, the second torsion spring part is connected to Between the protuberance and the shell.
In one embodiment of above-mentioned kick contact assembly, the connection sheet includes the first connection sheet portion, the second connection sheet Portion and the 3rd connection sheet portion, the first connection sheet portion, the second connection sheet portion and the 3rd connection sheet portion connection is z-shape.
In one embodiment of above-mentioned kick contact assembly, also including spring part, the spring part is connected to described first Between housing/the second housing and the shell.
Miniature circuit breaker of the present utility model, including kick contact assembly and stationary contact portion, the kick contact assembly bag Movable contact connecting portion is included, wherein, the above-mentioned kick contact assembly of the kick contact assembly.
Beneficial functional of the present utility model is, using miniature circuit breaker of the present utility model and its kick contact assembly, The overall dimensions of miniature circuit breaker are reduced, enables to meet code requirement.
The utility model is described in detail below in conjunction with the drawings and specific embodiments, but not as to the utility model Restriction.
Description of the drawings
Fig. 1 is the decomposition texture schematic diagram of the kick contact assembly of miniature circuit breaker of the present utility model;
Fig. 2 is the combining structure schematic diagram () of the kick contact assembly of miniature circuit breaker of the present utility model;
Fig. 3 is the combining structure schematic diagram (two) of the kick contact assembly of miniature circuit breaker of the present utility model;
Fig. 4 is that the combining structure of the housing of removal second of the kick contact assembly of miniature circuit breaker of the present utility model is illustrated Figure;
Fig. 5 is the structure of the first housing of the kick device housing of the kick contact assembly of miniature circuit breaker of the present utility model Schematic diagram (one);
Fig. 6 is the structure of the second housing of the kick device housing of the kick contact assembly of miniature circuit breaker of the present utility model Schematic diagram (one);
Fig. 7 is the structure of the second housing of the kick device housing of the kick contact assembly of miniature circuit breaker of the present utility model Schematic diagram (two);
Fig. 8 is the structural representation of the catch bar of the kick contact assembly of miniature circuit breaker of the present utility model;
Fig. 9 is the structural representation () of the transmission hook of the kick contact assembly of miniature circuit breaker of the present utility model;
Figure 10 is the structural representation (two) of the transmission hook of the kick contact assembly of miniature circuit breaker of the present utility model;
Figure 11 is the structural representation of the connection sheet of the kick contact assembly of miniature circuit breaker of the present utility model;
Figure 12 is the structural representation of the movable contact connecting portion of the kick contact assembly of miniature circuit breaker of the present utility model.
Wherein, reference:
500 kick contact assemblies
510 movable contact connecting portions
511 card access surfaces
512 connecting holes
513 movable contacts
520 transmission hooks
521 first coupler bodies
522 second coupler bodies
523 coupler body connecting portions
524 hooks
530 catch bars
531 catch bar main bodys
532 protuberances
533 boss
540 connection sheets
541 first connection sheet portions
542 second connection sheet portions
543 the 3rd connection sheet portions
550 kick device housings
551 first housings
551a houses cell body
551b the first axle bodies
The spacing cell bodies of 551c
551d connecting poles
551e hole portions
552 second housings
552a convex portions
552b connecting holes
552d connecting holes
552e hole portions
561 first torsion spring parts
562 second torsion spring parts
563 spring parts
571 pin connection parts
572 pin connection parts
573 pin connection parts
910 rotary shafts
Specific embodiment
Below in conjunction with the accompanying drawings technical solutions of the utility model are described in detail with specific embodiment, with further Understand the purpose of this utility model, scheme and effect, but be not intended as the limit of the utility model scope of the appended claims System.
Kick contact assembly of the present utility model is applied to miniature circuit breaker, and miniature circuit breaker also includes shell and setting In the stationary contact portion of inside the shell, the movable contact connecting portion of kick contact assembly rotates and contacts or separate with stationary contact portion, to reach To combined floodgate or the purpose of separating brake.
As shown in Figures 1 to 4, kick contact assembly 500 of the present utility model includes movable contact connecting portion 510, transmission hook 520th, catch bar 530, connection sheet 540 and kick device housing 550, movable contact connecting portion 510, transmission hook 520 and catch bar 530 It is connected on kick device housing 550, connection sheet 540 is connected with transmission hook 520.
Kick device housing also includes spring part 563, and spring part 563 is connected to kick device housing 550 and miniature circuit breaker (Fig. 2 is referred between shell).
Wherein, kick device housing 550 is rotatably connected on shell (refering to Fig. 3) with rotary shaft 910.The one of connection sheet 540 End is rotatably connected on transmission hook 520 with pin connection part 571, and the other end is connected with power source.Transmission hook 520 is with pin connection part 572 are rotatably connected on kick device housing 550.Catch bar 530 is connected on kick device housing 550 with pin connection part 573, this reality In applying example, pin connection part 573 and kick device housing 550 are formed integrally the shaft member of profiled member, the middle part of catch bar 530 be provided with hole with Axle on kick device housing 550 coordinates, and catch bar 530 is fixed on kick device housing 550.
With reference to Fig. 8 to Figure 10, transmission hook 520 is provided with hook 524, and catch bar 530 is provided with corresponding with hook 524 convex Platform 533, the boss 533 of catch bar 530 is meshed with the hook 524 of transmission hook 520.
Connection sheet 540 is acted on to promote transmission hook 520 to move by external force, is engaged with catch bar 530 due to transmitting hook 520, Transmission hook 520 promotes catch bar 530 to rotate.The rotation of catch bar 530 drives kick device housing 550 overall around 910 turns of rotary shaft It is dynamic, so as to drive movable contact connecting portion 510 to move.
Miniature circuit breaker has external force when short circuit and touches catch bar 530, makes catch bar 530 with transmission hook 520 Disengage, kick device housing 550 is rotated counterclockwise under the pulling force of spring part 563 around rotary shaft 910, makes movable contact connecting portion 510 Move.
With reference to shown in Fig. 1 to Fig. 7, kick device housing 550 includes the first housing 551 and the second housing 552, the first housing 551 and second housing 552 snap together.Wherein, movable contact connecting portion 510, transmission hook 520 and catch bar 530 are respectively provided with Between the first housing 551 and the second housing 552, also, movable contact connecting portion 510, transmission hook 520, catch bar 530 and connection Piece 540 at grade (referring to Fig. 4), to ensure during stress substantially in the same plane, to make uniform force, while can make Kick device 550 integral thickness of housing are relatively thin.
As shown in figure 1, kick device housing 550 also includes the first torsion spring part 561, movable contact connecting portion 510 is turned round by first Spring part 561 is connected on the first housing 551.
Specifically, as shown in Fig. 1, Fig. 4 and Fig. 5, there is accommodating cell body 551a in the first housing 551, houses cell body There is the first axle body 551b, the first torsion spring part 561 is connected between accommodating cell body 551a and movable contact connecting portion 510 in 551a, And the middle part of movable contact connecting portion 510 wears the first axle body 551b to be connected on the first axle body 551b.
The middle part of the first torsion spring part 561 is socketed on the first axle body 551b, and one end of the first torsion spring part 561 is stuck in storage tank On the cell wall of body 551a, the other end is stuck on movable contact connecting portion 510.After first housing 551 and the second housing 552 are fastened, will Movable contact connecting portion 510 is fixed between the first housing 551 and the second housing 552.The setting of the first torsion spring part 561 can guarantee that dynamic Contact portion portion 510 contacts firm with stationary contact portion, while the mistake of catch bar 530 and the motion of kick device housing 550 can be adjusted Remaining stroke.
With reference to Figure 12, movable contact connecting portion 510 has card access surface 511, connecting hole 512 and movable contact 513, the first torsion spring part 561 other ends are stuck in card access surface 511, and the first axle body 551b is connected to the through after the first torsion spring part 561 and connecting hole 512 On two housings 552.By the first torsion spring part 561, movable contact 513 can be contacted more reliable with stationary contact pressure contact.
As shown in Figure 1 to Figure 4 and shown in Fig. 8, catch bar 530 also includes catch bar main body 531 and protuberance 532, wherein, it is convex Platform 533 and protuberance 532 are connected to the two ends of catch bar main body 531.Catch bar main body 531 is connected to pin connection part 573 On, and between the first housing 551 and the second housing 552.Protuberance 532 is protruded from outside the second housing 552.
With reference to Fig. 3, kick contact assembly 500 of the present utility model also includes the second torsion spring part 562, the second torsion spring part 562 It is connected between the protuberance 532 of catch bar 530 and shell.Wherein, the one end of the second torsion spring part 562 is fixed on miniature circuit breaker On shell, the other end is pressed on the protuberance 532 of catch bar 530.The effect of the second torsion spring part 562 is:Catch bar 530 is by the The pressure of two torsion spring parts 562, makes the boss 533 of catch bar 530 and the positive engagement of hook 524 of transmission hook 520.
With reference to Fig. 1, Fig. 4, Fig. 9 and Figure 10, transmission hook 520 also includes the first coupler body 521, the second coupler body 522 and hook Body connecting portion 523, the first coupler body 521 and the second coupler body 522 are connected with coupler body connecting portion 523.Hook 524 is located at the first coupler body 521 and second coupler body 522 bottom.First coupler body 521 and the second coupler body 522 be symmetrical arranged and between have space S, connection One end of piece 540 is connected to first coupler body 521 and second coupler body 522 on through space S and by pin connection part 571.Connection sheet 540 are connected between the first coupler body 521 and the second coupler body 522 by pin connection part 571, can make the uniform force of transmission hook 520, Reduce the integral thickness of kick contact assembly 500 simultaneously.
As shown in Figure 4 and Figure 5, the first housing 551 has corresponding to the position of the first coupler body 521 and the second coupler body 522 The spacing cell body 551c of the first coupler body 521 and the pendulum angle of the second coupler body 522 is limited, so that transmission hook 520 can only be at one Swing in angle, it is to avoid swing excessive and cause device to damage.
As shown in Figures 5 to 7, there are multiple connecting poles on the first housing 551 of kick device housing 550 of the present utility model 551d, the first housing 551 has multiple connecting hole 552ds corresponding with those connecting poles, by those connecting poles 551d and company Hole 552d is met, the first housing 551 and the second housing 552 are interlocked and link together.
Separately, the second housing 552 has the connecting hole 552b corresponding with the first axle body 551b of the first housing, for first axle Body 551b passes connection.
First housing 551 has hole portion 551e passed for rotary shaft 910, and the second housing 552 has to be worn for hole portion 551e Hole portion 552e for going out.
Also there is convex portion 552a, one end of spring part 563 is connected on the 552a of convex portion, another on the outer surface of the second housing End is connected on the shell of miniature circuit breaker.
As shown in figure 11, connection sheet 540 includes the first connection sheet portion 541, the second connection sheet portion 542 and the 3rd connection sheet portion 543, the first connection sheet portion 541, the second connection sheet portion 542 and the 3rd connection sheet portion 543 connect into Z-type.Wherein, the first connection sheet Portion 541 is connected on transmission hook 520, and the 3rd connection sheet portion 543 is connected with power source.Connection sheet 540 is designed using Z-type, can To reduce the length in joint face direction.
Certainly, the utility model can also have other various embodiments, spiritual and its essence without departing substantially from the utility model In the case of, those of ordinary skill in the art work as can make various corresponding changes and deformation, but these according to the utility model Corresponding change and deformation should all belong to the scope of the claims appended by the utility model.

Claims (10)

1. a kind of kick contact assembly, is arranged in a miniature circuit breaker, and the miniature circuit breaker also includes shell and setting In the stationary contact portion of the inside the shell, the kick contact assembly includes connection sheet, kick device housing and is connected to institute Transmission hook on kick device housing, catch bar and movable contact connecting portion are stated, the connection sheet is connected with the transmission hook, and it is special Levy and be, the kick device housing includes the first housing for snapping together and the second housing, the transmission hook, catch bar and dynamic Contact portion portion is arranged between first housing and the second housing, and the connection sheet, transmission hook, catch bar and movable contact connect Socket part is at grade.
2. kick contact assembly according to claim 1, it is characterised in that the transmission hook include coupler body connecting portion and The first coupler body being connected with the coupler body connecting portion and the second coupler body, first coupler body and second coupler body be symmetrical arranged and Between there is space, one end of the connection sheet is through the space and is connected on first coupler body and the second coupler body.
3. kick contact assembly according to claim 2, it is characterised in that first housing corresponds to first hook The position of body and the second coupler body has the spacing cell body for limiting first coupler body and the second coupler body pendulum angle.
4. kick contact assembly according to claim 1, it is characterised in that also including the first torsion spring part, the movable contact Connecting portion is connected on first housing by the first torsion spring part.
5. kick contact assembly according to claim 4, it is characterised in that there is accommodating cell body in the first shell body, There is the first axle body, the first torsion spring part is connected to the accommodating cell body and the movable contact connecting portion in the storage tank body Between, and the movable contact connecting portion is connected on the first axle body.
6. kick contact assembly according to claim 4, it is characterised in that the catch bar includes catch bar main body and convex Go out portion, the catch bar main body is located between first housing and the second housing, and the protuberance is connected to the catch bar In main body and protrude from outside second housing.
7. kick contact assembly according to claim 6, it is characterised in that also including the second torsion spring part, described second turns round Spring part is connected between the protuberance and the shell.
8. kick contact assembly according to claim 1, it is characterised in that the connection sheet include the first connection sheet portion, Second connection sheet portion and the 3rd connection sheet portion, the first connection sheet portion, the second connection sheet portion and the 3rd connection sheet portion connect into Z Shape.
9. kick contact assembly according to claim 1, it is characterised in that also including spring part, the spring part connection Between the first housing/the second housing and the shell.
10. a kind of miniature circuit breaker, including kick contact assembly and stationary contact portion, the kick contact assembly connects including movable contact Socket part, it is characterised in that the kick contact assembly is the kick contact assembly described in any one of claim 1 to 9.
CN201621074396.5U 2016-09-12 2016-09-22 Miniature circuit breaker and kick contact subassembly thereof Active CN206148388U (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN2016108194324 2016-09-12
CN201610819432 2016-09-12

Publications (1)

Publication Number Publication Date
CN206148388U true CN206148388U (en) 2017-05-03

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Family Applications (2)

Application Number Title Priority Date Filing Date
CN201610844550.0A Pending CN107818895A (en) 2016-09-12 2016-09-22 A kind of miniature circuit breaker and its kick contact assembly
CN201621074396.5U Active CN206148388U (en) 2016-09-12 2016-09-22 Miniature circuit breaker and kick contact subassembly thereof

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CN201610844550.0A Pending CN107818895A (en) 2016-09-12 2016-09-22 A kind of miniature circuit breaker and its kick contact assembly

Country Status (1)

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CN (2) CN107818895A (en)

Also Published As

Publication number Publication date
CN107818895A (en) 2018-03-20

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Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20201225

Address after: 065800 Wen'an Economic Development Zone, Langfang City, Hebei Province

Patentee after: HUAWEI BOAO (WENAN) POWER EQUIPMENT Co.,Ltd.

Address before: 101300 Room 101, building 168, Dongfang Taiyang City, Shunyi District, Beijing

Patentee before: Fan Guoping