CN209045466U - Double breaking circuit breakers - Google Patents

Double breaking circuit breakers Download PDF

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Publication number
CN209045466U
CN209045466U CN201822056718.9U CN201822056718U CN209045466U CN 209045466 U CN209045466 U CN 209045466U CN 201822056718 U CN201822056718 U CN 201822056718U CN 209045466 U CN209045466 U CN 209045466U
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CN
China
Prior art keywords
contact
moving contact
bracket
torsional spring
rack
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Active
Application number
CN201822056718.9U
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Chinese (zh)
Inventor
杨峰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shaanxi Xidian Senyuan Switch Co ltd
Original Assignee
Zhejiang Nuok Electrical Polytron Technologies Inc
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Priority to CN201822056718.9U priority Critical patent/CN209045466U/en
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Abstract

The utility model relates to a kind of double breaking circuit breakers, its operating mechanism includes handle, interlocking bar, tripping, lock, moving contact rack, first contact torsional spring, second contact torsional spring, first moving contact and the second moving contact, moving contact rack is articulated with contact axis, tripping axis and lock shaft are integrally formed on moving contact rack, tripping and lock are pivotally mounted on moving contact rack respectively, moving contact rack extends parallel to out forward the first bracket and the second bracket, contact axle position each extends over out in the two sides of moving contact rack for placing the first contact torsional spring, the first shaft end and the second shaft end of second contact torsional spring, first moving contact is fixed on the first bracket by the first contact torsional spring, second moving contact is fixed on the second bracket by the second contact torsional spring.Rotor plate is shaped in contact to support, two moving contacts and a moving contact rack are fixed together by two contact torsional springs, are convenient for assembling and setting, the equal and reliable electrical connection of the contact pressure of two pairs of dynamic/static contacts.

Description

Double breaking circuit breakers
Technical field
The utility model relates to a kind of double breaking circuit breakers.
Background technique
Disjunction, closure while in order to realize the two poles of the earth breaker need two operating mechanism parallel side-by-side arrangements, aobvious in this way It so cannot achieve the miniaturization of breaker and the requirement of high breaking.But if the two poles of the earth share an operating mechanism, i.e., one operation The moving contact of two poles of mechanism controls and the switching action of static contact, can reduce the volume of circuit breaker.Chinese patent In " a kind of operating device of multipole small-size breaker " disclosed in CN104134588A, including handle, U-shaped bar, trip link, jump Restrictor bar, rotor plate, two contacts are supported and two pairs of dynamic/static contacts, and two contacts are supported to pass through two structures having the same Travel mechanism is connect with rotor plate respectively, specifically, travel mechanism includes that one end and contact are supported to cooperate, the other end and rotor plate The excess of stroke torsional spring of cooperation, to ensure in dynamic/static contact disjunction, rotor plate is engaged with contact support, dynamic/static contact closed type, is turned Movable plate is separated with contact support.Herein, contact is supported and rotor plate is two components of separation, and moving contact passes through screw or riveting Nail is fixedly installed in contact and supports that assembling product, process is tedious for debugging.
Summary of the invention
In view of this, the purpose of this utility model is to provide a kind of structures, simple, assembling and setting is easy, operating mechanism moves Make stable and energy disjunction simultaneously, the double breaking circuit breakers for being closed two independent loops.
In order to achieve the goal above, the utility model uses such a double breaking circuit breakers, operating mechanism includes hand Handle, interlocking bar, tripping and lock, the operating mechanism further include moving contact rack, the first contact torsional spring, the torsion of the second contact Spring, the first moving contact and the second moving contact, the moving contact rack are articulated with contact axis, one on the moving contact rack Molding tripping axis and lock shaft, the tripping and the lock pass through the tripping axis and the lock shaft pivot respectively Turn ground to be mounted on the moving contact rack, the moving contact rack extends parallel to out forward for the described in placing First bracket of one moving contact and the second bracket for placing second moving contact, the contact axle position is in described The two sides of moving contact rack each extend over out first for placing the first contact torsional spring, the second contact torsional spring Shaft end and the second shaft end, first moving contact are fixed on first bracket, institute by the first contact torsional spring The second moving contact stated is fixed on second bracket by the second contact torsional spring.Compared with prior art, this reality Be with the advantageous effects of novel creation: rotor plate is shaped in contact and supported by setting through the above structure, Two moving contacts and a moving contact rack are fixed together by two contact torsional springs, component is few, it is convenient for assembling and setting, And the contact pressure of two pairs of dynamic/static contacts is equal and can guarantee that the realization of two pairs of dynamic/static contacts is reliably electrically connected.
Particularly, double breaking circuit breakers include that the first contact room formed, Yi Jiyou are closed by upper cover and middle seat Middle seat and pedestal are closed the second contact room to be formed, and the contact jaw of first moving contact and second moving contact connect Contravention can do finite motion, the first contact room and second touching in the first contact room and the second contact room respectively Head-room has arc-extinguishing mechanism independent.Setting through the above structure, two pairs of dynamic/static contacts go out in respective arc room Arc, can fast and effeciently arc extinguishing, prevent the arcing of two pairs of dynamic/static contacts from coupling, cause bigger electric power harm.
Particularly, the lock be equipped with the first connecting lever and the second connecting lever, first connecting lever be equipped with it is described Tripping cooperation clamping groove, second connecting lever can do finite motion between first bracket and the second bracket, The lower end of second connecting lever position corresponding with the mandril of the electromagnetic mechanism is equipped with forced section, the forced section Positioned at the lower section of the moving contact rack.Setting through the above structure will have the above moving contact rack and battery protection Device is reliably assembled together, and when short circuit occurs in route where the contact of breaker, mandril strikes forced section, makes operation machine Structure is quickly accomplished disjunction movement.
Particularly, the width of the forced section be greater than between first bracket and first bracket away from From.Setting through the above structure is easy to implement the disjunction simultaneously of two pairs of dynamic/static contacts.
Particularly, otic placode, first touching are equipped on the outside of the rear end of first bracket and second bracket Head torsional spring and the second contact torsional spring include the first end being continuously arranged, spring body, link arm, across arm and second end, Two first ends are overlapped in respective otic placode, and two are cross-placed on the first moving contact and the second moving contact respectively across arm, and two Second end is respectively arranged at the other side of first moving contact and second moving contact, the link arm, described Be arranged across arm and the second end in three-dimensional orthogonal.Setting through the above structure, it is convenient to assemble two contacts Torsional spring, enables the both ends of each contact torsional spring to be stably fixed to contact support, and operating mechanism is more stable when acting.
Particularly, first bracket and second bracket adopt a bilaterally symmetrical structure, and described first Bracket, second bracket are respectively provided with the first limiting section and the second limiting section, are arranged on two the second limiting sections for placing The through-hole of the contact axis.One end of moving contact piece can be articulated with contact support, moving contact by setting through the above structure Limit is completed by the first limiting section and the second limiting section in the two sides of piece, finally, will be moved securely by the second link arm of contact torsional spring Contact is fixed on contact and supports, makes moving contact with the rotation that contact is supported and completes opening and closing movement with static contact.
Particularly, one of them second limiting section or two the second limiting sections are integrally formed setting arc to center position Plate, the length of the flash barrier are greater than the length of second limiting section.Setting through the above structure, due to moving contact Bracket is located in a horizontal space in the top of two contact rooms, adds flash barrier between two brackets, can speed up and go out Arc.
Detailed description of the invention
Fig. 1 is that the utility model embodiment removes the structural schematic diagram after upper cover and pedestal;
Fig. 2 is the utility model embodiment moving contact component part explosive view;
Fig. 3 is the structural schematic diagram of middle seat in the utility model embodiment;
Fig. 4 is the perspective view of the first touch spring in the utility model embodiment.
In figure: 1, middle seat;11, curved end;2, handle;3, contact axis;4, interlocking bar;5, moving contact rack;51, ear Plate;52, the first moving contact;53, the first contact torsional spring;531, first end;532, spring body;533, link arm;534, across arm;535, Second end;54, the second contact torsional spring;55, the second moving contact;56, the first limiting section;561, the second limiting section;57, arc Plate;58, the first bracket;59, the second bracket;6, tripping;7, lock shaft;8, it latches;81, forced section.
Specific embodiment
As shown in figures 1-4, a kind of double breaking circuit breakers, operating mechanism include handle 2, interlocking bar 4, tripping 6 and lock 8, operating mechanism further includes moving contact rack 5, the first contact torsional spring 53, the second contact torsional spring 54, the first moving contact 52 and second Moving contact 55, moving contact rack 5 are articulated with contact axis 3, are integrally formed tripping axis and lock shaft 7, tripping 6 on moving contact rack 5 It is pivotally mounted on moving contact rack 5 by tripping axis and lock shaft 7 respectively with lock 8, moving contact rack 5 is forward in parallel Extend the first bracket 58 for placing the first moving contact 52 and the second bracket 59 for placing the second moving contact 55, contact The two sides that axis 3 is located at moving contact rack 5 each extend over out first for placing the first contact torsional spring 53, the second contact torsional spring 54 Shaft end and the second shaft end, the first moving contact 52 are fixed on the first bracket 58 by the first contact torsional spring 53, and the second moving contact 55 is logical It crosses the second contact torsional spring 54 and is fixed on the second bracket 59.
Double breaking circuit breakers include being closed the first contact room formed by upper cover and middle seat 1, and closed by middle seat 1 and pedestal The contact jaw of the second contact room that conjunction is formed, the contact jaw of the first moving contact 52 and the second moving contact 55 can be respectively in the first contact Finite motion is done in room and the second contact room, the first contact room and the second contact room have arc-extinguishing mechanism independent.
Lock 8 is equipped with the first connecting lever and the second connecting lever, and the first connecting lever is equipped with the clamping groove that cooperates with tripping 6, and second Connecting lever can do finite motion, the lower end of the second connecting lever and the mandril pair of electromagnetic mechanism between the first bracket 58 and the second bracket 59 The position answered is equipped with forced section 81, and forced section 81 is located at the lower section of moving contact rack 5.
The width of forced section 81 is greater than the distance between the first bracket 58 and the first bracket 59.
Otic placode 51 is equipped on the outside of the rear end of first bracket 58 and the second bracket 59, the first contact torsional spring 53 and the second contact are turned round Spring 54 include the first end 531 being continuously arranged, spring body 532, link arm 533, across arm 534 and second end 535, two first End 531 is overlapped in respective otic placode 51, and two are cross-placed on the first moving contact 52 and the second moving contact 55 respectively across arm 534, Two second ends 535 are respectively arranged at the other side of the first moving contact 52 and the second moving contact 55, link arm 533, across 534 and of arm Second end 535 is arranged in three-dimensional orthogonal.
First bracket 58 and the second bracket 59 adopt a bilaterally symmetrical structure, and the first bracket 58, the second bracket 59 are all provided with The first limiting section 56 and the second limiting section 561 are set, the through-hole for placing contact axis 3 is set on two the second limiting sections 561.
One of them second limiting section 561 or two the second limiting sections 561 are integrally formed setting flash barrier to center position 57, the length of flash barrier 57 is greater than the length of the second limiting section 561.

Claims (7)

1. a kind of double breaking circuit breakers, operating mechanism includes handle, interlocking bar, tripping and lock, it is characterised in that: described Operating mechanism further includes moving contact rack, the first contact torsional spring, the second contact torsional spring, the first moving contact and the second moving contact, institute The moving contact rack stated is articulated with contact axis, is integrally formed tripping axis and lock shaft, the jump on the moving contact rack Button and the lock are pivotally mounted on the moving contact rack by the tripping axis and the lock shaft respectively On, the moving contact rack extends parallel to out forward the first bracket for being used to place first moving contact and for putting The second bracket of second moving contact is set, the contact axle position each extends over out in the two sides of the moving contact rack For placing the first shaft end and the second shaft end of the first contact torsional spring, the second contact torsional spring, described first Moving contact is fixed on first bracket by the first contact torsional spring, and second moving contact passes through described the Two contact torsional springs are fixed on second bracket.
2. double breaking circuit breakers according to claim 1, it is characterised in that: double breaking circuit breakers include by upper cover It is closed the first contact room to be formed with middle seat, and is closed the second contact room formed by middle seat and pedestal, described first is dynamic The contact jaw of the contact jaw of contact and second moving contact can do in the first contact room and the second contact room limited respectively Movement, the first contact room and the second contact room have arc-extinguishing mechanism independent.
3. double breaking circuit breakers according to claim 1 or 2, it is characterised in that: the lock is equipped with the first connecting lever With the second connecting lever, first connecting lever is equipped with the clamping groove cooperated with the tripping, and second connecting lever can be in institute Finite motion is done between the first bracket and the second bracket stated, the lower end of second connecting lever is corresponding with the mandril of electromagnetic mechanism Position be equipped with forced section, the force part is in the lower section of the moving contact rack.
4. double breaking circuit breakers according to claim 3, feature exist: the width of the forced section is greater than described the The distance between one bracket and first bracket.
5. double breaking circuit breakers according to claim 1 or 2, it is characterised in that: first bracket and described Otic placode is equipped on the outside of the rear end of two brackets, the first contact torsional spring and the second contact torsional spring include continuously being arranged First end, spring body, link arm, across arm and second end, two first ends are overlapped in respective otic placode, two across arm difference It is cross-placed on the first moving contact and the second moving contact, two second ends are respectively arranged at first moving contact and described The other side of second moving contact, the link arm, it is described across arm with the second end in three-dimensional orthogonal be arranged.
6. double breaking circuit breakers according to claim 5, it is characterised in that: first bracket and second support Frame adopts a bilaterally symmetrical structure, and first bracket, second bracket are respectively provided with the first limiting section and the second limit Position portion, setting is for placing the through-hole of the contact axis on two the second limiting sections.
7. double breaking circuit breakers according to claim 6, it is characterised in that: one of them second limiting section or two second Limiting section is integrally formed setting flash barrier to center position, and the length of the flash barrier is greater than the length of the second limiting section.
CN201822056718.9U 2018-12-07 2018-12-07 Double breaking circuit breakers Active CN209045466U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201822056718.9U CN209045466U (en) 2018-12-07 2018-12-07 Double breaking circuit breakers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201822056718.9U CN209045466U (en) 2018-12-07 2018-12-07 Double breaking circuit breakers

Publications (1)

Publication Number Publication Date
CN209045466U true CN209045466U (en) 2019-06-28

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201822056718.9U Active CN209045466U (en) 2018-12-07 2018-12-07 Double breaking circuit breakers

Country Status (1)

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CN (1) CN209045466U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109360774A (en) * 2018-12-07 2019-02-19 浙江诺科电气科技股份有限公司 Double breaking circuit breakers
CN120824171A (en) * 2025-09-03 2025-10-21 德力西电气有限公司 A double-break circuit breaker

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109360774A (en) * 2018-12-07 2019-02-19 浙江诺科电气科技股份有限公司 Double breaking circuit breakers
CN120824171A (en) * 2025-09-03 2025-10-21 德力西电气有限公司 A double-break circuit breaker

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GR01 Patent grant
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TR01 Transfer of patent right

Effective date of registration: 20240716

Address after: 710000 No. 12607, floor 26, unit 1, building 1, Chongli Jinshiyuan, No. 113, Taibai South Road, Yanta District, Xi'an City, Shaanxi Province

Patentee after: Shaanxi Xidian Senyuan switch Co.,Ltd.

Country or region after: China

Address before: 325603 No. 3, Taishan Road, Wenzhou Daqiao Industrial Zone, beibaixiang Town, Yueqing City, Wenzhou City, Zhejiang Province

Patentee before: ZHEJIANG NUOKE ELECTRIC TECHNOLOGY CO.,LTD.

Country or region before: China

TR01 Transfer of patent right