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WO2013044765A1 - A linkage structure of the moving contact of the modular circuit breaker - Google Patents

A linkage structure of the moving contact of the modular circuit breaker Download PDF

Info

Publication number
WO2013044765A1
WO2013044765A1 PCT/CN2012/081803 CN2012081803W WO2013044765A1 WO 2013044765 A1 WO2013044765 A1 WO 2013044765A1 CN 2012081803 W CN2012081803 W CN 2012081803W WO 2013044765 A1 WO2013044765 A1 WO 2013044765A1
Authority
WO
WIPO (PCT)
Prior art keywords
linkage
linkage block
hole
housing
contact
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2012/081803
Other languages
French (fr)
Chinese (zh)
Inventor
顾翔
许文良
李俐
周军华
顾惠民
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.)
Zhejiang Chint Electrics Co Ltd
SEARI Electric Technology Co Ltd
Original Assignee
Zhejiang Chint Electrics Co Ltd
SEARI Electric Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhejiang Chint Electrics Co Ltd, SEARI Electric Technology Co Ltd filed Critical Zhejiang Chint Electrics Co Ltd
Priority to BR112014007148-9A priority Critical patent/BR112014007148B1/en
Priority to EP12834733.3A priority patent/EP2763154B1/en
Priority to ES12834733.3T priority patent/ES2622654T3/en
Publication of WO2013044765A1 publication Critical patent/WO2013044765A1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10—Operating or release mechanisms
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
    • H01H1/14—Contacts characterised by the manner in which co-operating contacts engage by abutting
    • H01H1/20—Bridging contacts
    • H01H1/2041—Rotating bridge
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
    • H01H1/14—Contacts characterised by the manner in which co-operating contacts engage by abutting
    • H01H1/20—Bridging contacts
    • H01H1/2041—Rotating bridge
    • H01H1/2058—Rotating bridge being assembled in a cassette, which can be placed as a complete unit into a circuit breaker
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H2009/0088—Details of rotatable shafts common to more than one pole or switch unit
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H2009/0094—Details of rotatable shafts which are subdivided; details of the coupling means thereof

Definitions

  • the present invention relates to a contact module for a circuit breaker, and more particularly to a moving contact linkage structure in an operating mechanism of a modular circuit breaker. Background technique
  • the modular contact form of molded case circuit breaker is one of the development directions of today's molded case circuit breaker products.
  • the contact module part has been paid great attention as an important part of molded case circuit breaker, and the contemporary new high-breaking plastic case
  • the circuit breakers basically adopt the structure of the modular contact system, and the structure is various.
  • In order to ensure the synchronization of the opening and closing of the contact of each phase there are many types of rotary moving contact linkage structures in the same kind of products at home and abroad.
  • the main function is The position of each phase contact is ensured to be synchronized, and the contact between the two sides of the rotating double-breakpoint single-phase is ensured.
  • the common linkage is an additional metal rod that is installed independently of the contact module.
  • the invention aims to propose a moving contact linkage structure in a contact module of a circuit breaker, so that the linkage of the moving contact in the modular contact system is reliable and the contact force of each group of contact pressures is consistent.
  • a movable contact linkage structure of a modular circuit breaker comprising: a first housing and a second housing, the first housing and the second housing respectively having a first mounting hole and a second mounting a hole, a position corresponding to the first mounting hole and the second mounting hole;
  • the side plate of the operating mechanism has a third through hole, and the third through hole is located at a position corresponding to the center of rotation of the contact rotor;
  • the lower link of the operating mechanism, the lower link of the operating mechanism has a fourth through hole, and the fourth through hole is mated with the first short shaft;
  • a contact rotor rotates around a center of rotation, and the two sides of the contact rotor have a mating surface; a first linkage block connected to a mating surface of the first side of the contact rotor;
  • a second linkage block coupled to the mating surface of the second side of the contact rotor
  • the contact rotor, the first linkage block and the second linkage block are mounted in the first mounting hole and the second mounting hole.
  • the contact rotor has a first recessed hole, the first recessed hole is disposed on a mating surface of the two sides of the contact rotor, and the first recessed hole on the mating surface of the same side is opposite to the first recessed hole
  • the center of rotation of the contact rotor is symmetrical.
  • the first linkage block has a first interlocking mating surface and a second interlocking mating surface.
  • a position on the first linkage mating surface corresponding to the center of rotation of the contact rotor has a convex first circular shaft, the first circular shaft is mated with the third through hole, and the axial length of the first circular shaft passes through at least the third The through hole extends to the first non-circular hole on the second linkage block.
  • the first interlocking mating surface has a second non-circular hole parallel to the rotation axis of the contact rotor, and the second non-circular hole is mated with the first short shaft.
  • the second linkage mating surface has a second boss, and the second boss cooperates with the first recess hole on the contact rotor.
  • the second linkage block has a third interlocking mating surface and a fourth interlocking mating surface.
  • the position of the third interlocking mating surface corresponding to the center of rotation of the contact rotor has a first non-circular hole, and the first non-circular hole is mated with the first circular shaft of the first linkage block.
  • the third interlocking mating surface has a third non-circular hole parallel to the rotation axis of the contact rotor, and the third non-circular hole is mated with the first short shaft.
  • the third linkage mating surface has a second recessed hole.
  • the fourth linkage mating surface has a third boss, and the third boss cooperates with the first recess hole on the contact rotor.
  • the outer circumference of the first linkage block has a first arcuate surface that cooperates with the first housing and the second housing.
  • the outer circumference of the second linkage block has a second arc surface, and the second arc surface cooperates with the first housing and the second housing to rotate.
  • the first linkage mating surface of the first linkage block has a first boss, and the first boss cooperates with the second recessed hole on the third interlocking surface of the second linkage block.
  • a position of the first mounting hole adjacent to the outer surface of the first housing has a fourth circular boss, and the fourth boss defines the first linkage block or the second linkage block toward the outer surface of the first housing. Protruding position.
  • the first mounting hole is rotatably engaged with the first circular arc surface of the first linkage block or the second circular arc surface of the second linkage block. The first mounting hole does not block the mating engagement of the first boss of the first linkage block and the second groove hole of the second linkage block, nor does it block the first linkage block or the second linkage block from the first short axis Plug and match.
  • a position of the second mounting hole adjacent to the outer surface of the second housing has a substantially circular fifth boss, and the fifth boss defines the first linkage block or the second linkage block toward the outer surface of the second housing. Protruding position.
  • the second mounting hole is rotatably engaged with the first circular arc surface of the first linkage block or the second circular arc surface of the second linkage block.
  • the second mounting hole does not block the mating engagement of the first boss of the first linkage block and the second groove hole of the second linkage block, nor does it block the insertion of the first linkage block or the second linkage block with the first short axis Cooperate.
  • the second boss on the first linkage block and the third boss on the second linkage block are respectively inserted into the first groove holes on the mating faces on both sides of the contact rotor, and the second on the first linkage block
  • the axis of the non-circular hole is aligned with the axis of the third non-circular hole on the second linkage block; the first linkage block, the contact rotor and the second linkage block are placed together in the first mounting hole of the first housing and In the second mounting hole of the second housing, the first housing and the second housing are closed to form a single pole contact module.
  • the third bosses on the two second linkage blocks are respectively inserted into the first groove holes on the mating faces of the two sides of the contact rotor, and the third non-circular holes on the two second linkage blocks are respectively inserted. Aligning the axes; the first linkage block, the contact rotor and the second linkage block are placed together in the first mounting hole of the first housing and the second mounting hole of the second housing to close the first housing and the second The housing forms a single pole contact module.
  • the rotary movable contact structure in the movable contact linkage structure of the modular circuit breaker proposed by the invention is different from the conventional structure, and the structure can omit the linkage structure independent of the contact module, and the contact modules can be mutually performed Direct plug-in linkage, the linkage is made of insulating material, no risk of phase-to-phase short circuit.
  • the invention also considers the processability, installation convenience and structural strength of the parts caused by the complexity of the rotating moving contact linkage structure, and ensures the reliability of mass production and use.
  • 1a, 1b and 1c disclose schematic views of the overall assembly of the movable contact linkage structure of a modular circuit breaker in accordance with an embodiment of the present invention.
  • FIG. 2a, 2b and 2c disclose dynamic touch of a modular circuit breaker in accordance with an embodiment of the present invention
  • Figures 3a, 3b and 3c illustrate schematic views of the linkage block insertion in the movable contact linkage structure of a modular circuit breaker in accordance with an embodiment of the present invention.
  • FIG. 4 is a schematic diagram of a contact rotor in a moving contact linkage structure of a modular circuit breaker in accordance with an embodiment of the present invention.
  • Figures 5a, 5b, 5c and 5d illustrate schematic views of a first linkage block in a moving contact linkage of a modular circuit breaker in accordance with an embodiment of the present invention.
  • Figures 6a, 6b, 6c and 6d illustrate schematic views of a second linkage block in a moving contact linkage of a modular circuit breaker in accordance with an embodiment of the present invention.
  • Figures 7a, 7b and 7c illustrate schematic views of a first housing and a second housing in a movable contact linkage of a modular circuit breaker in accordance with an embodiment of the present invention.
  • FIGS 8a and 8b illustrate schematic views of the operating mechanism side and lower links of the movable contact linkage of a modular circuit breaker in accordance with an embodiment of the present invention. detailed description
  • the present invention provides a movable contact linkage structure of a modular circuit breaker.
  • a movable contact linkage structure of a modular circuit breaker according to an embodiment of the present invention is disclosed.
  • the movable contact linkage structure of the modular circuit breaker includes: a first housing 101 and a second housing 102, a first short shaft 103, an operating mechanism side plate 104, an operating mechanism lower link 105, a contact rotor 106, and a first A linkage block 107 and a second linkage block 108.
  • the first housing 101 and the second housing 102 respectively have a first mounting hole 110 and a second mounting hole 120, and the positions of the first mounting hole 110 and the second mounting hole 120 correspond.
  • the operating mechanism side plate 104 has a third through hole 140, and the third through hole 140 is located at a position corresponding to the center of rotation of the contact rotor 106.
  • the operating mechanism lower link 105 has a fourth through hole, and the fourth through hole is mated with the first short shaft 103.
  • the contact rotor 106 rotates about a center of rotation, and the contact rotors 106 have mating faces on both sides.
  • the first linkage block 107 is coupled to the mating face of the first side of the contact rotor 106.
  • the second linkage block 108 is coupled to the mating face of the second side of the contact rotor.
  • the contact rotor 106, the first linkage block 107, and the second linkage block 108 are mounted in the first mounting hole 110 and the second mounting hole 120.
  • the contact rotor 106 rotates about the center of rotation, and both sides of the contact rotor 106 With a mating surface.
  • the contact rotor 106 has a first recessed hole 160.
  • the first recessed hole 160 is disposed on a mating surface of the two sides of the contact rotor 106, and the first recessed hole 160 on the mating surface of the same side is opposite to the touch.
  • the center of rotation of the head rotor 106 is symmetrical. In the embodiment shown in FIG. 4, at the mating faces on the same side of the contact rotors 106, there are at least two first recessed holes 160 on each side of the center of rotation. Although a recessed hole is used in the contact rotor 106 in the embodiment shown in Fig.
  • a boss may also be employed. If a boss is used on the contact rotor 106, the corresponding bosses on the first linkage block 107 and the second linkage block 108 are changed into grooves so that the contact rotor 106 and the first linkage block 107 and the second linkage are linked. Block 108 can be used in conjunction.
  • the description of the illustrated embodiment will be continued as an example.
  • the two first groove holes 160 on the mating surface on the same side are arranged as symmetrically as possible with respect to the center of rotation. The depth of the first recessed hole 160 needs to be at least 1.5 mm to ensure a contact surface with sufficient pressure.
  • the first linkage block 107 has a first interlocking mating surface and a second interlocking mating surface.
  • the first interlocking mating surface has a convex first circular shaft 170 at a position corresponding to the rotation center of the contact rotor 106, and the first circular shaft 170 is inserted into the third through hole 140 on the operating mechanism side plate 104.
  • the axial length of the first circular shaft 170 can pass through at least the through hole 140 in the side plate 104 of the operating mechanism and the first non-circular opening 180 extending into the second interlocking block 108.
  • the first interlocking surface of the first linkage block 107 further has a second non-circular aperture 171 parallel to the axis of rotation of the contact rotor, and the second non-circular aperture 171 is mated with the stub shaft 103.
  • the first interlocking surface of the first linkage block 107 further has at least two first bosses 172, and the first bosses 172 are interlocked with the second recessed holes 182 of the second linkage block 108.
  • the second linkage mating surface of the first linkage block 107 has at least two second bosses 173, and the second bosses 173 are interlocked with the first recessed holes 160 on the contact rotors 106.
  • the outer circumference of the first linkage block 107 has a first circular arc surface 174, and the first circular arc surface 174 rotates in cooperation with the first housing 101 and the second housing 102.
  • the second linkage block 108 has a third interlocking mating surface and a fourth interlocking mating surface.
  • the third interlocking mating face of the second linkage block 108 has a first non-circular hole 180 at a position corresponding to the center of rotation of the contact rotor, and the first non-circular hole 180 is inserted into the first circular shaft 170 of the first linkage block 107.
  • the third interlocking surface of the second linkage block 108 has a third non-circular hole 181 parallel to the rotation axis of the contact rotor 106, and a third non-circular hole 181 and the first The short shaft 103 is mated.
  • the third interlocking surface of the second linkage block 108 has at least two second recess holes 182, and the second recess holes 182 are interlocked with the first bosses 172 on the first linkage block 107.
  • the fourth interlocking surface of the second linkage block 108 has at least two third bosses 183, and the third bosses 183 are interlocked with the first recessed holes 160 on the contact rotors 106.
  • the outer circumference of the second linkage block 108 has a second circular arc surface 184, and the second circular arc surface 184 rotates in cooperation with the first housing 101 and the second housing 102.
  • the first housing 101 and the second housing 102 are housings of the contact module.
  • the first housing 101 has a first mounting hole 1 10 at an intermediate portion of its large plane, and the first mounting hole 10 10 is for mounting the contact rotor 106, the first linkage block 107, and the second linkage block 108.
  • the first mounting hole 1 10 has a full-circle fourth boss 1 1 1 at a position close to the outer surface of the first casing 101.
  • the first linkage block 107 or the second linkage block 108 may be inserted from the inner surface of the first housing 101 via the first mounting hole 110, but blocked by the fourth boss 1 1 1 , the first linkage block 107 or the second
  • the linkage block 108 is not completely escapable from the first mounting hole 110 of the outer surface of the first housing 101, and can only be passed out to the interlocking mating surface portion.
  • the fourth boss 1 1 1 functions to define a convex position of the first linkage block 107 or the second linkage block 108 toward the outer surface of the first casing 101.
  • the first mounting hole 1 10 is in rotational engagement with the first circular arc surface 174 of the first linkage block 107 or the second circular arc surface 184 of the second linkage block 108.
  • the first mounting hole 1 10 does not block the first boss 172 on the first linkage block 107 and the second recess hole 182 on the second linkage block 108 to perform a mating fit.
  • the first mounting hole 1 10 also does not block the first linkage block 107 or the second linkage block 108 from being inserted into the stub shaft 103.
  • the second housing 102 has a second mounting aperture 120 in the middle portion of its large plane, the second mounting aperture 120 also for mounting the contact rotor 106, the first linkage block 107 and The second linkage block 108.
  • the second mounting hole 120 has a full circle fifth boss 121 at a position close to the outer surface of the second housing 102.
  • the first linkage block 107 or the second linkage block 108 may be inserted from the inner surface of the second housing 102 via the second mounting hole 120, but blocked by the fifth boss 121, the first linkage block 107 or the second linkage block 108 It is not completely escaping from the second mounting hole 120 of the outer surface of the second housing 102, and can only be worn out to the interlocking mating surface portion.
  • the fifth boss 121 functions to define a convex position of the first linkage block 107 or the second linkage block 108 toward the outer surface of the second housing 102.
  • the second mounting hole 120 is rotatably engaged with the first circular arc surface 174 of the first linkage block 107 or the second circular arc surface 184 of the second linkage block 108.
  • the second mounting hole 120 is not blocked by the first joint
  • the first boss 172 on the movable block 107 and the second recess hole 182 on the second linkage block 108 are mated.
  • the second mounting hole 120 also does not block the first linkage block 107 or the second linkage block 108 and the stub shaft 103 from being mated.
  • the large-plane of the operating mechanism side plate 104 has a third through hole 140 coaxial with the center of rotation of the contact rotor 106, the first through hole 140 and the first on the first linkage block 107.
  • the round shaft 170 is mated and mated.
  • the operating mechanism lower link 105 has a fourth through hole on a large plane, and the fourth through hole is mated with the first short shaft 103.
  • 1a, 1b and 1c disclose schematic views of the overall assembly of the movable contact linkage structure of a modular circuit breaker in accordance with an embodiment of the present invention.
  • 2a, 2b and 2c illustrate schematic views of a single pole contact module in a moving contact linkage of a modular circuit breaker in accordance with an embodiment of the present invention.
  • Figures 3a, 3b and 3c illustrate schematic views of the linkage block insertion in the moving contact linkage of a modular circuit breaker in accordance with an embodiment of the present invention.
  • the single pole contact module 100 is disclosed in Figures 1 - 3.
  • the second boss 173 on the first linkage block 107 and the third boss 183 on the second linkage block 108 can be respectively inserted into the first recessed holes 160 on the mating surfaces of the contact rotors 106. in.
  • the axis of the second non-circular aperture 171 on the first linkage block 107 is aligned with the axis of the third non-circular aperture 181 on the second linkage block 108.
  • the first linkage block 107, the contact rotor 106 and the second linkage block 108 are placed in the first mounting hole 110 of the first housing 101 and the second mounting hole 120 of the second housing 102, and are closed first.
  • the housing 101 and the second housing 102 form a first type of single pole contact module.
  • the positions of the first linkage block 107 and the second linkage block 108 in the above-described plug-in manner are interchanged, that is, the positions connected to the contact rotors 106 are exchanged, and a second single-pole contact module structure is formed.
  • the second single pole contact module structure is symmetrical to the first single pole contact module structure.
  • the movable contact linkage structure of the modular circuit breaker of the invention can realize the modular contact system
  • the reliability of the moving contact linkage is consistent with the contact force of each set of contact pressures.
  • the above-mentioned three kinds of single-pole contact modules can be sequentially inserted to form the linkage of the movable contacts without adding independent linkage components.
  • the rotary movable contact structure in the movable contact linkage structure of the modular circuit breaker proposed by the invention is different from the conventional structure, and the structure can omit the linkage structure independent of the contact module, and the contact modules can be mutually performed Direct plug-in linkage, the linkage is made of insulating material, no risk of phase-to-phase short circuit.
  • the invention also considers the processability, installation convenience and structural strength of the parts caused by the complexity of the rotating moving contact linkage structure, and ensures the reliability of mass production and use.

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  • Breakers (AREA)

Abstract

A linkage structure of a moving contact of a modular circuit breaker, comprising: a first housing (101) and a second housing (102), the first housing (101) and the second housing (102) respectively having a first mounting hole (110) and a second mounting hole (120), the position of the first mounting hole (110) and the second mounting hole (120) being corresponded; a first short axis (103); an operating mechanism side plate (104); the operating mechanism side plate (104) having a third through hole (140), the third through hole (140) located in the position which is corresponded to the rotational center of the position of the contact rotor (106); an operating mechanism lower link rod (105), the operating mechanism lower link rod (105) having a fourth through hole, the fourth through hole docking with the first minor axis (103); a contact rotor (106), the contact rotor (106) rotating around the rotational center, both sides of the contact rotor (106 ) having matching surfaces; a first linkage block (107), connected to the matching surface of the first side of the contact rotor (106); a second linkage block (108), connected to the matching surface of the second side of the contact rotor (106); the contact rotor (106), the first linkage block (107) and the second linkage block (108) mounted in the first mounting hole (110) and the second mounting hole (120).

Description

模块化断路器的动触头联动结构 技术领域  Dynamic contact linkage structure of modular circuit breaker

本发明涉及断路器的触头模块， 更具体地说， 涉及模块化断路器的操 作机构中的动触头联动结构。 背景技术  The present invention relates to a contact module for a circuit breaker, and more particularly to a moving contact linkage structure in an operating mechanism of a modular circuit breaker. Background technique

塑壳断路器的模块化触头形式是当今塑壳断路器产品的发展方向之 一， 触头模块部分作为塑壳断路器重要的组成部分受到了非常大的重视， 当代新型的高分断塑壳断路器基本都采用模块化触头系统的结构， 结构形 式繁多， 为保证各相触头开闭的同步性， 国内外同类产品中不乏各种形式 的旋转动触头联动结构， 其主要作用是保证各相触头运动位置同步， 亦可 保证旋转双断点单相两侧触头接触平衡， 常用的联动件为额外独立于触头 模块安装的金属杆件， 一方面存在致使相间短路的风险， 另一方面过多的 定位易造成触头接触情况恶化， 如旋转双断点动触头两侧接触压力不一致 等问题。 发明内容  The modular contact form of molded case circuit breaker is one of the development directions of today's molded case circuit breaker products. The contact module part has been paid great attention as an important part of molded case circuit breaker, and the contemporary new high-breaking plastic case The circuit breakers basically adopt the structure of the modular contact system, and the structure is various. In order to ensure the synchronization of the opening and closing of the contact of each phase, there are many types of rotary moving contact linkage structures in the same kind of products at home and abroad. The main function is The position of each phase contact is ensured to be synchronized, and the contact between the two sides of the rotating double-breakpoint single-phase is ensured. The common linkage is an additional metal rod that is installed independently of the contact module. On the one hand, there is a risk of causing a phase-to-phase short circuit. On the other hand, excessive positioning may cause the contact contact condition to deteriorate, such as the inconsistent contact pressure on both sides of the rotating double-break point moving contact. Summary of the invention

本发明旨在提出一种断路器触头模块中的动触头联动结构， 使得模块 化触头系统中动触头联动的可靠和各组触头压力的接触力的一致。  The invention aims to propose a moving contact linkage structure in a contact module of a circuit breaker, so that the linkage of the moving contact in the modular contact system is reliable and the contact force of each group of contact pressures is consistent.

根据本发明， 提出一种模块化断路器的动触头联动结构， 包括： 第一壳体和第二壳体， 第一壳体和第二壳体上分别具有第一安装孔和 第二安装孔， 第一安装孔和第二安装孔的位置相对应；  According to the present invention, a movable contact linkage structure of a modular circuit breaker is provided, comprising: a first housing and a second housing, the first housing and the second housing respectively having a first mounting hole and a second mounting a hole, a position corresponding to the first mounting hole and the second mounting hole;

第一短轴；  First short axis;

操作机构侧板， 操作机构侧板上具有第三通孔， 所述第三通孔位于触 头转子转动中心对应的位置；  a side plate of the operating mechanism, the side plate of the operating mechanism has a third through hole, and the third through hole is located at a position corresponding to the center of rotation of the contact rotor;

操作机构下连杆， 操作机构下连杆具有第四通孔， 第四通孔与第一短 轴插接配合；  The lower link of the operating mechanism, the lower link of the operating mechanism has a fourth through hole, and the fourth through hole is mated with the first short shaft;

触头转子， 触头转子绕转动中心旋转， 触头转子的两侧具有配合面； 第一联动块， 连接到触头转子的第一侧的配合面； a contact rotor, the contact rotor rotates around a center of rotation, and the two sides of the contact rotor have a mating surface; a first linkage block connected to a mating surface of the first side of the contact rotor;

第二联动块， 连接到触头转子的第二侧的配合面；  a second linkage block, coupled to the mating surface of the second side of the contact rotor;

触头转子、 第一联动块和第二联动块安装在第一安装孔和第二安装孔 内。  The contact rotor, the first linkage block and the second linkage block are mounted in the first mounting hole and the second mounting hole.

在一个实施例中， 触头转子上具有第一凹槽孔， 第一凹槽孔设置在触 头转子的两侧的配合面上， 位于同一侧的配合面上的第一凹槽孔相对于触 头转子的转动中心对称。  In one embodiment, the contact rotor has a first recessed hole, the first recessed hole is disposed on a mating surface of the two sides of the contact rotor, and the first recessed hole on the mating surface of the same side is opposite to the first recessed hole The center of rotation of the contact rotor is symmetrical.

在一个实施例中，第一联动块具有第一联动配合面和第二联动配合面。 第一联动配合面上对应触头转子的转动中心的位置具有凸起的第一圆轴， 第一圆轴与第三通孔插接配合， 第一圆轴的轴向长度至少穿过第三通孔并 延伸到第二联动块上的第一非通圆孔。 第一联动配合面上有平行于触头转 子的转动轴线的第二非通圆孔， 第二非通圆孔与第一短轴插接配合。 第二 联动配合面上具有第二凸台， 第二凸台与触头转子上的第一凹槽孔配合。  In one embodiment, the first linkage block has a first interlocking mating surface and a second interlocking mating surface. a position on the first linkage mating surface corresponding to the center of rotation of the contact rotor has a convex first circular shaft, the first circular shaft is mated with the third through hole, and the axial length of the first circular shaft passes through at least the third The through hole extends to the first non-circular hole on the second linkage block. The first interlocking mating surface has a second non-circular hole parallel to the rotation axis of the contact rotor, and the second non-circular hole is mated with the first short shaft. The second linkage mating surface has a second boss, and the second boss cooperates with the first recess hole on the contact rotor.

在一个实施例中，第二联动块具有第三联动配合面和第四连动配合面。 第三联动配合面上对应触头转子的转动中心的位置具有第一非通圆孔， 该 第一非通圆孔与第一联动块的第一圆轴插接配合。 第三联动配合面上有平 行于触头转子的转动轴线的第三非通圆孔， 第三非通圆孔与第一短轴插接 配合。 第三联动配合面上有第二凹槽孔。 第四联动配合面上具有第三凸台， 第三凸台与触头转子上的第一凹槽孔配合。  In one embodiment, the second linkage block has a third interlocking mating surface and a fourth interlocking mating surface. The position of the third interlocking mating surface corresponding to the center of rotation of the contact rotor has a first non-circular hole, and the first non-circular hole is mated with the first circular shaft of the first linkage block. The third interlocking mating surface has a third non-circular hole parallel to the rotation axis of the contact rotor, and the third non-circular hole is mated with the first short shaft. The third linkage mating surface has a second recessed hole. The fourth linkage mating surface has a third boss, and the third boss cooperates with the first recess hole on the contact rotor.

在一个实施例中， 第一联动块的外圆周有第一圆弧面， 第一圆弧面与 第一壳体和第二壳体配合转动。 第二联动块的外圆周有第二圆弧面， 第二 圆弧面与第一壳体和第二壳体配合转动。  In one embodiment, the outer circumference of the first linkage block has a first arcuate surface that cooperates with the first housing and the second housing. The outer circumference of the second linkage block has a second arc surface, and the second arc surface cooperates with the first housing and the second housing to rotate.

在一个实施例中， 第一联动块的第一联动配合面上具有第一凸台， 第 一凸台与第二联动块的第三联动配合面上的第二凹槽孔配合。  In one embodiment, the first linkage mating surface of the first linkage block has a first boss, and the first boss cooperates with the second recessed hole on the third interlocking surface of the second linkage block.

在一个实施例中， 第一安装孔中靠近第一壳体外表面的位置具有整圆 形的第四凸台， 第四凸台限定第一联动块或第二联动块向第一壳体外表面 的凸出位置。 第一安装孔与第一联动块的第一圆弧面或第二联动块的第二 圆弧面转动配合。 第一安装孔不阻挡第一联动块的第一凸台与第二联动块 的第二凹槽孔的插接配合， 也不阻挡第一联动块或第二联动块与第一短轴 的插接配合。 In one embodiment, a position of the first mounting hole adjacent to the outer surface of the first housing has a fourth circular boss, and the fourth boss defines the first linkage block or the second linkage block toward the outer surface of the first housing. Protruding position. The first mounting hole is rotatably engaged with the first circular arc surface of the first linkage block or the second circular arc surface of the second linkage block. The first mounting hole does not block the mating engagement of the first boss of the first linkage block and the second groove hole of the second linkage block, nor does it block the first linkage block or the second linkage block from the first short axis Plug and match.

在一个实施例中， 第二安装孔中靠近第二壳体外表面的位置具有整圆 形的第五凸台， 第五凸台限定第一联动块或第二联动块向第二壳体外表面 的凸出位置。 第二安装孔与第一联动块的第一圆弧面或第二联动块的第二 圆弧面转动配合。 第二安装孔不阻挡第一联动块的第一凸台与第二联动块 的第二凹槽孔的插接配合， 也不阻挡第一联动块或第二联动块与第一短轴 的插接配合。  In one embodiment, a position of the second mounting hole adjacent to the outer surface of the second housing has a substantially circular fifth boss, and the fifth boss defines the first linkage block or the second linkage block toward the outer surface of the second housing. Protruding position. The second mounting hole is rotatably engaged with the first circular arc surface of the first linkage block or the second circular arc surface of the second linkage block. The second mounting hole does not block the mating engagement of the first boss of the first linkage block and the second groove hole of the second linkage block, nor does it block the insertion of the first linkage block or the second linkage block with the first short axis Cooperate.

第一联动块上的第二凸台和第二联动块上的第三凸台分别插接在触头 转子两侧的配合面上的第一凹槽孔中， 第一联动块上的第二非通圆孔的轴 线和第二联动块上的第三非通圆孔的轴线对齐； 第一联动块、 触头转子和 第二联动块一同被放入第一壳体的第一安装孔和第二壳体的第二安装孔 中， 闭合第一壳体和第二壳体形成单极触头模块。 或者， 两个第二联动块 上的第三凸台分别插接在触头转子两侧的配合面上的第一凹槽孔中， 两个 第二个联动块上的第三非通圆孔的轴线对齐； 第一联动块、 触头转子和第 二联动块一同被放入第一壳体的第一安装孔和第二壳体的第二安装孔中， 闭合第一壳体和第二壳体形成单极触头模块。  The second boss on the first linkage block and the third boss on the second linkage block are respectively inserted into the first groove holes on the mating faces on both sides of the contact rotor, and the second on the first linkage block The axis of the non-circular hole is aligned with the axis of the third non-circular hole on the second linkage block; the first linkage block, the contact rotor and the second linkage block are placed together in the first mounting hole of the first housing and In the second mounting hole of the second housing, the first housing and the second housing are closed to form a single pole contact module. Alternatively, the third bosses on the two second linkage blocks are respectively inserted into the first groove holes on the mating faces of the two sides of the contact rotor, and the third non-circular holes on the two second linkage blocks are respectively inserted. Aligning the axes; the first linkage block, the contact rotor and the second linkage block are placed together in the first mounting hole of the first housing and the second mounting hole of the second housing to close the first housing and the second The housing forms a single pole contact module.

本发明提出的模块化断路器的动触头联动结构中的旋转动触头结构不 同于以往传统的结构， 该结构能够省略独立于触头模块外的联动结构， 可 将触头模块相互间进行直接插接联动， 联动件采用绝缘材料， 无相间短路 风险。 本发明还考虑了旋转动触头联动结构复杂性引起的零部件工艺性、 安装便捷性和结构强度， 确保批量生产和使用的可靠性。 附图说明  The rotary movable contact structure in the movable contact linkage structure of the modular circuit breaker proposed by the invention is different from the conventional structure, and the structure can omit the linkage structure independent of the contact module, and the contact modules can be mutually performed Direct plug-in linkage, the linkage is made of insulating material, no risk of phase-to-phase short circuit. The invention also considers the processability, installation convenience and structural strength of the parts caused by the complexity of the rotating moving contact linkage structure, and ensures the reliability of mass production and use. DRAWINGS

本发明的上述的以及其他的特征、 性质和优点将通过下面结合附图对 实施例的描述而变得更加明显， 在附图中， 相同的附图标记始终表示相同 的特征， 其中：  The above and other features, aspects and advantages of the present invention will become more apparent from

图 1 a、 1 b和 1 c揭示了根据本发明的一实施例的模块化断路器的动触 头联动结构的整体装配的示意图。  1a, 1b and 1c disclose schematic views of the overall assembly of the movable contact linkage structure of a modular circuit breaker in accordance with an embodiment of the present invention.

图 2a、 2b和 2c揭示了根据本发明的一实施例的模块化断路器的动触 头联动结构中单极触头模块的示意图。 2a, 2b and 2c disclose dynamic touch of a modular circuit breaker in accordance with an embodiment of the present invention Schematic diagram of a single pole contact module in a head linkage structure.

图 3a、 3b和 3c揭示了根据本发明的一实施例的模块化断路器的动触 头联动结构中联动块插接的示意图。  Figures 3a, 3b and 3c illustrate schematic views of the linkage block insertion in the movable contact linkage structure of a modular circuit breaker in accordance with an embodiment of the present invention.

图 4揭示了根据本发明的一实施例的模块化断路器的动触头联动结构 中触头转子的示意图。  4 is a schematic diagram of a contact rotor in a moving contact linkage structure of a modular circuit breaker in accordance with an embodiment of the present invention.

图 5a、 5b、 5c和 5d揭示了根据本发明的一实施例的模块化断路器的 动触头联动结构中第一联动块的示意图。  Figures 5a, 5b, 5c and 5d illustrate schematic views of a first linkage block in a moving contact linkage of a modular circuit breaker in accordance with an embodiment of the present invention.

图 6a、 6b、 6c和 6d揭示了根据本发明的一实施例的模块化断路器的 动触头联动结构中第二联动块的示意图。  Figures 6a, 6b, 6c and 6d illustrate schematic views of a second linkage block in a moving contact linkage of a modular circuit breaker in accordance with an embodiment of the present invention.

图 7a、 7b和 7c揭示了根据本发明的一实施例的模块化断路器的动触 头联动结构中第一壳体和第二壳体的示意图。  Figures 7a, 7b and 7c illustrate schematic views of a first housing and a second housing in a movable contact linkage of a modular circuit breaker in accordance with an embodiment of the present invention.

图 8 a和 8 b揭示了根据本发明的一实施例的模块化断路器的动触头联 动结构中操作机构侧板和下连杆的示意图。 具体实施方式  Figures 8a and 8b illustrate schematic views of the operating mechanism side and lower links of the movable contact linkage of a modular circuit breaker in accordance with an embodiment of the present invention. detailed description

本发明提出一种模块化断路器的动触头联动结构，参考图 1 -图 8所示， 揭示了根据本发明的一实施例的模块化断路器的动触头联动结构。 该模块 化断路器的动触头联动结构包括： 第一壳体 101和第二壳体 102、 第一短 轴 103、 操作机构侧板 104、 操作机构下连杆 105、 触头转子 106、 第一联 动块 107、 第二联动块 108。  The present invention provides a movable contact linkage structure of a modular circuit breaker. Referring to Figures 1 - 8, a movable contact linkage structure of a modular circuit breaker according to an embodiment of the present invention is disclosed. The movable contact linkage structure of the modular circuit breaker includes: a first housing 101 and a second housing 102, a first short shaft 103, an operating mechanism side plate 104, an operating mechanism lower link 105, a contact rotor 106, and a first A linkage block 107 and a second linkage block 108.

第一壳体 101和第二壳体 102上分别具有第一安装孔 1 10和第二安装 孔 120 , 第一安装孔 1 10和第二安装孔 120的位置相对应。 操作机构侧板 104上具有第三通孔 140 , 第三通孔 140位于触头转子 106转动中心对应 的位置。 操作机构下连杆 105具有第四通孔， 第四通孔与第一短轴 103插 接配合。触头转子 106绕转动中心旋转，触头转子 106的两侧具有配合面。 第一联动块 107连接到触头转子 106的第一侧的配合面。 第二联动块 108 连接到触头转子的第二侧的配合面。 触头转子 106、 第一联动块 107和第 二联动块 108安装在第一安装孔 1 10和第二安装孔 120内。  The first housing 101 and the second housing 102 respectively have a first mounting hole 110 and a second mounting hole 120, and the positions of the first mounting hole 110 and the second mounting hole 120 correspond. The operating mechanism side plate 104 has a third through hole 140, and the third through hole 140 is located at a position corresponding to the center of rotation of the contact rotor 106. The operating mechanism lower link 105 has a fourth through hole, and the fourth through hole is mated with the first short shaft 103. The contact rotor 106 rotates about a center of rotation, and the contact rotors 106 have mating faces on both sides. The first linkage block 107 is coupled to the mating face of the first side of the contact rotor 106. The second linkage block 108 is coupled to the mating face of the second side of the contact rotor. The contact rotor 106, the first linkage block 107, and the second linkage block 108 are mounted in the first mounting hole 110 and the second mounting hole 120.

参考图 4所示， 触头转子 106绕转动中心旋转， 触头转子 106的两侧 具有配合面。 触头转子 106上具有第一凹槽孔 160， 第一凹槽孔 160设置 在触头转子 106的两侧的配合面上， 位于同一侧的配合面上的第一凹槽孔 160相对于触头转子 106的转动中心对称。 在图 4所示的实施例中， 在触 头转子 106的同一侧的配合面上， 在转动中心的两边各具有至少两个第一 凹槽孔 160。虽然在图 4所示的实施例中触头转子 106上采用的是凹槽孔， 需要说明的是， 也可以采用凸台的形式。 如果触头转子 106上采用凸台， 那么第一联动块 107和第二联动块 108上相应的凸台就要改成凹槽， 以使 得触头转子 106和第一联动块 107以及第二联动块 108能够配合使用。继 续以图示的实施例为例进行说明。 在空间允许的情况下， 在同一侧配合面 上的二个第一凹槽孔 160尽可能布置成相对转动中心对称分布。 第一凹槽 孔 160的深度需至少有 1 .5mm , 以保证具有足够承受压力的接触面。 Referring to FIG. 4, the contact rotor 106 rotates about the center of rotation, and both sides of the contact rotor 106 With a mating surface. The contact rotor 106 has a first recessed hole 160. The first recessed hole 160 is disposed on a mating surface of the two sides of the contact rotor 106, and the first recessed hole 160 on the mating surface of the same side is opposite to the touch. The center of rotation of the head rotor 106 is symmetrical. In the embodiment shown in FIG. 4, at the mating faces on the same side of the contact rotors 106, there are at least two first recessed holes 160 on each side of the center of rotation. Although a recessed hole is used in the contact rotor 106 in the embodiment shown in Fig. 4, it should be noted that a boss may also be employed. If a boss is used on the contact rotor 106, the corresponding bosses on the first linkage block 107 and the second linkage block 108 are changed into grooves so that the contact rotor 106 and the first linkage block 107 and the second linkage are linked. Block 108 can be used in conjunction. The description of the illustrated embodiment will be continued as an example. In the case where space permits, the two first groove holes 160 on the mating surface on the same side are arranged as symmetrically as possible with respect to the center of rotation. The depth of the first recessed hole 160 needs to be at least 1.5 mm to ensure a contact surface with sufficient pressure.

参考图 5a、 5b、 5c和 5d所示， 第一联动块 107具有第一联动配合面 和第二联动配合面。 第一联动配合面第一联动配合面上对应触头转子 106 的转动中心的位置具有凸起的第一圆轴 170 , 第一圆轴 170与操作机构侧 板 104上的第三通孔 140插接配合。第一圆轴 170的轴向长度至少可穿过 操作机构侧板 104上的通孔 140以及并且延伸到第二联动块 108上的第一 非通圆孔 180。 第一联动块 107的第一联动配合面上还具有平行于触头转 子的转动轴线的第二非通圆孔 171， 第二非通圆孔 171与短轴 103插接配 合。 第一联动块 107的第一联动配合面上还具有至少两个第一凸台 172， 第一凸台 172与第二联动块 108上的第二凹槽孔 182进行联动配合。第一 联动块 107的第二联动配合面上具有至少两个第二凸台 173，第二凸台 173 与触头转子 106上的第一凹槽孔 160进行联动配合。第一联动块 107的外 圆周有第一圆弧面 174 , 第一圆弧面 174与第一壳体 101和第二壳体 102 配合转动。  Referring to Figures 5a, 5b, 5c and 5d, the first linkage block 107 has a first interlocking mating surface and a second interlocking mating surface. The first interlocking mating surface has a convex first circular shaft 170 at a position corresponding to the rotation center of the contact rotor 106, and the first circular shaft 170 is inserted into the third through hole 140 on the operating mechanism side plate 104. Cooperate. The axial length of the first circular shaft 170 can pass through at least the through hole 140 in the side plate 104 of the operating mechanism and the first non-circular opening 180 extending into the second interlocking block 108. The first interlocking surface of the first linkage block 107 further has a second non-circular aperture 171 parallel to the axis of rotation of the contact rotor, and the second non-circular aperture 171 is mated with the stub shaft 103. The first interlocking surface of the first linkage block 107 further has at least two first bosses 172, and the first bosses 172 are interlocked with the second recessed holes 182 of the second linkage block 108. The second linkage mating surface of the first linkage block 107 has at least two second bosses 173, and the second bosses 173 are interlocked with the first recessed holes 160 on the contact rotors 106. The outer circumference of the first linkage block 107 has a first circular arc surface 174, and the first circular arc surface 174 rotates in cooperation with the first housing 101 and the second housing 102.

参考图 6a、 6b、 6c和 6d所示， 第二联动块 108具有第三联动配合面 和第四连动配合面。 第二联动块 108的第三联动配合面对应触头转子的转 动中心的位置具有第一非通圆孔 180，第一非通圆孔 180与第一联动块 107 的第一圆轴 170插接配合。 第二联动块 108的第三联动配合面上有平行于 触头转子 106的转动轴线的第三非通圆孔 181 , 第三非通圆孔 181 与第一 短轴 103插接配合。 第二联动块 108的第三联动配合面上有至少两个第二 凹槽孔 182， 第二凹槽孔 182与第一联动块 107上的第一凸台 172进行联 动配合。 第二联动块 108的第四联动配合面上有至少两个第三凸台 183， 第三凸台 183与触头转子 106上的第一凹槽孔 160进行联动配合。第二联 动块 108的外圆周有第二圆弧面 184， 第二圆弧面 184与第一壳体 101和 第二壳体 102配合转动。 Referring to Figures 6a, 6b, 6c and 6d, the second linkage block 108 has a third interlocking mating surface and a fourth interlocking mating surface. The third interlocking mating face of the second linkage block 108 has a first non-circular hole 180 at a position corresponding to the center of rotation of the contact rotor, and the first non-circular hole 180 is inserted into the first circular shaft 170 of the first linkage block 107. Cooperate. The third interlocking surface of the second linkage block 108 has a third non-circular hole 181 parallel to the rotation axis of the contact rotor 106, and a third non-circular hole 181 and the first The short shaft 103 is mated. The third interlocking surface of the second linkage block 108 has at least two second recess holes 182, and the second recess holes 182 are interlocked with the first bosses 172 on the first linkage block 107. The fourth interlocking surface of the second linkage block 108 has at least two third bosses 183, and the third bosses 183 are interlocked with the first recessed holes 160 on the contact rotors 106. The outer circumference of the second linkage block 108 has a second circular arc surface 184, and the second circular arc surface 184 rotates in cooperation with the first housing 101 and the second housing 102.

参考图 7a、 7b和 7c所示， 第一壳体 101和第二壳体 102是触头模块 的壳体。 第一壳体 101在其大平面的中间部分具有第一安装孔 1 10 , 第一 安装孔 1 10用于安装触头转子 106、 第一联动块 107和第二联动块 108。 第一安装孔 1 10在靠近第一壳体 101的外表面的位置具有一整圆的第四凸 台 1 1 1。 第一联动块 107或第二联动块 108可从第一壳体 101 的内表面经 由第一安装孔 1 10插入， 但受第四凸台 1 1 1 的阻挡， 第一联动块 107或第 二联动块 108 不可从第一壳体 101 的外表面的第一安装孔 1 10处完全穿 出， 仅可穿出至联动配合面部分。 第四凸台 1 1 1起到限定第一联动块 107 或第二联动块 108向第一壳体 101外表面的凸出位置的作用。 第一安装孔 1 10与第一联动块 107的第一圆弧面 174或第二联动块 108的第二圆弧面 184转动配合。第一安装孔 1 10不可阻挡第一联动块 107上的第一凸台 172 和第二联动块 108上的第二凹槽孔 182进行插接配合。第一安装孔 1 10也 不可阻挡第一联动块 107或第二联动块 108和短轴 103进行插接配合。  Referring to Figures 7a, 7b and 7c, the first housing 101 and the second housing 102 are housings of the contact module. The first housing 101 has a first mounting hole 1 10 at an intermediate portion of its large plane, and the first mounting hole 10 10 is for mounting the contact rotor 106, the first linkage block 107, and the second linkage block 108. The first mounting hole 1 10 has a full-circle fourth boss 1 1 1 at a position close to the outer surface of the first casing 101. The first linkage block 107 or the second linkage block 108 may be inserted from the inner surface of the first housing 101 via the first mounting hole 110, but blocked by the fourth boss 1 1 1 , the first linkage block 107 or the second The linkage block 108 is not completely escapable from the first mounting hole 110 of the outer surface of the first housing 101, and can only be passed out to the interlocking mating surface portion. The fourth boss 1 1 1 functions to define a convex position of the first linkage block 107 or the second linkage block 108 toward the outer surface of the first casing 101. The first mounting hole 1 10 is in rotational engagement with the first circular arc surface 174 of the first linkage block 107 or the second circular arc surface 184 of the second linkage block 108. The first mounting hole 1 10 does not block the first boss 172 on the first linkage block 107 and the second recess hole 182 on the second linkage block 108 to perform a mating fit. The first mounting hole 1 10 also does not block the first linkage block 107 or the second linkage block 108 from being inserted into the stub shaft 103.

继续参考图 7a、 7b和 7c所示， 第二壳体 102在其大平面的中间部分 具有第二安装孔 120 , 第二安装孔 120也用于安装触头转子 106、 第一联 动块 107和第二联动块 108。 第二安装孔 120在靠近第二壳体 102的外表 面的位置具有一整圆的第五凸台 121。 第一联动块 107或第二联动块 108 可从第二壳体 102的内表面经由第二安装孔 120插入， 但受第五凸台 121 的阻挡，第一联动块 107或第二联动块 108不可从第二壳体 102的外表面 的第二安装孔 120处完全穿出，仅可穿出至联动配合面部分。第五凸台 121 起到限定第一联动块 107或第二联动块 108向第二壳体 102外表面的凸出 位置的作用。第二安装孔 120与第一联动块 107的第一圆弧面 174或第二 联动块 108的第二圆弧面 184转动配合。第二安装孔 120不可阻挡第一联 动块 107上的第一凸台 172和第二联动块 108上的第二凹槽孔 182进行插 接配合。第二安装孔 120也不可阻挡第一联动块 107或第二联动块 108和 短轴 103进行插接配合。 With continued reference to Figures 7a, 7b and 7c, the second housing 102 has a second mounting aperture 120 in the middle portion of its large plane, the second mounting aperture 120 also for mounting the contact rotor 106, the first linkage block 107 and The second linkage block 108. The second mounting hole 120 has a full circle fifth boss 121 at a position close to the outer surface of the second housing 102. The first linkage block 107 or the second linkage block 108 may be inserted from the inner surface of the second housing 102 via the second mounting hole 120, but blocked by the fifth boss 121, the first linkage block 107 or the second linkage block 108 It is not completely escaping from the second mounting hole 120 of the outer surface of the second housing 102, and can only be worn out to the interlocking mating surface portion. The fifth boss 121 functions to define a convex position of the first linkage block 107 or the second linkage block 108 toward the outer surface of the second housing 102. The second mounting hole 120 is rotatably engaged with the first circular arc surface 174 of the first linkage block 107 or the second circular arc surface 184 of the second linkage block 108. The second mounting hole 120 is not blocked by the first joint The first boss 172 on the movable block 107 and the second recess hole 182 on the second linkage block 108 are mated. The second mounting hole 120 also does not block the first linkage block 107 or the second linkage block 108 and the stub shaft 103 from being mated.

参考图 8a和 8b所示， 操作机构侧板 104的大平面上具有与触头转子 106的转动中心同轴的第三通孔 140 , 第三通孔 140与第一联动块 107上 的第一圆轴 170插接配合。操作机构下连杆 105的大平面上具有第四通孔， 第四通孔与第一短轴 103插接配合。  Referring to FIGS. 8a and 8b, the large-plane of the operating mechanism side plate 104 has a third through hole 140 coaxial with the center of rotation of the contact rotor 106, the first through hole 140 and the first on the first linkage block 107. The round shaft 170 is mated and mated. The operating mechanism lower link 105 has a fourth through hole on a large plane, and the fourth through hole is mated with the first short shaft 103.

图 1 a、 1 b和 1 c揭示了根据本发明的一实施例的模块化断路器的动触 头联动结构的整体装配的示意图。 图 2a、 2b和 2c揭示了根据本发明的一 实施例的模块化断路器的动触头联动结构中单极触头模块的示意图。 图 3a、 3b和 3c揭示了根据本发明的一实施例的模块化断路器的动触头联动 结构中联动块插接的示意图。 图 1 -图 3中揭示了单极触头模块 100。  1a, 1b and 1c disclose schematic views of the overall assembly of the movable contact linkage structure of a modular circuit breaker in accordance with an embodiment of the present invention. 2a, 2b and 2c illustrate schematic views of a single pole contact module in a moving contact linkage of a modular circuit breaker in accordance with an embodiment of the present invention. Figures 3a, 3b and 3c illustrate schematic views of the linkage block insertion in the moving contact linkage of a modular circuit breaker in accordance with an embodiment of the present invention. The single pole contact module 100 is disclosed in Figures 1 - 3.

在进行插接的过程中：  In the process of docking:

1 ) 可以将第一联动块 107上的第二凸台 173和第二联动块 108上的 第三凸台 183分别插接在触头转子 106两侧的配合面上的第一凹槽孔 160 中。第一联动块 107上的第二非通圆孔 171 的轴线和第二联动块 108上的 第三非通圆孔 181 的轴线对齐。 第一联动块 107、 触头转子 106和第二联 动块 108—同被放入第一壳体 101的第一安装孔 1 10和第二壳体 102的第 二安装孔 120中， 闭合第一壳体 101和第二壳体 102形成第一种单极触头 模块。  1) The second boss 173 on the first linkage block 107 and the third boss 183 on the second linkage block 108 can be respectively inserted into the first recessed holes 160 on the mating surfaces of the contact rotors 106. in. The axis of the second non-circular aperture 171 on the first linkage block 107 is aligned with the axis of the third non-circular aperture 181 on the second linkage block 108. The first linkage block 107, the contact rotor 106 and the second linkage block 108 are placed in the first mounting hole 110 of the first housing 101 and the second mounting hole 120 of the second housing 102, and are closed first. The housing 101 and the second housing 102 form a first type of single pole contact module.

2 ) 将上述插接方式中的第一联动块 107和第二联动块 108的位置互 换， 即连接到触头转子 106的位置进行交换， 则形成第二种单极触头模块 结构。 该第二种单极触头模块结构与第一种单极触头模块结构是对称的。  2) The positions of the first linkage block 107 and the second linkage block 108 in the above-described plug-in manner are interchanged, that is, the positions connected to the contact rotors 106 are exchanged, and a second single-pole contact module structure is formed. The second single pole contact module structure is symmetrical to the first single pole contact module structure.

3 )将两个第二联动块 108上的第三凸台 183分别插接在触头转子 106 两侧的配合面上的第一凹槽孔 160中， 两个第二个联动块 108上的第三非 通圆孔 181 的轴线对齐。第一联动块 107、触头转子 106和第二联动块 108 一同被放入第一壳体 101的第一安装孔 1 10和第二壳体 102的第二安装孔 120中， 闭合第一壳体 101和第二壳体 102形成单极触头模块。  3) inserting the third bosses 183 on the two second linkage blocks 108 into the first groove holes 160 on the mating faces of the two sides of the contact rotor 106, and the two second linkage blocks 108 The axes of the third non-circular holes 181 are aligned. The first linkage block 107, the contact rotor 106 and the second linkage block 108 are placed together in the first mounting hole 110 of the first housing 101 and the second mounting hole 120 of the second housing 102, closing the first housing The body 101 and the second housing 102 form a single pole contact module.

本发明的模块化断路器的动触头联动结构能够实现模块化触头系统中 动触头联动的可靠和各组触头压力的接触力的一致。按照本发明的实施例， 可将上述的三种单极触头模块依次插接即可形成动触头的联动， 而无需增 加独立的联动零部件。 The movable contact linkage structure of the modular circuit breaker of the invention can realize the modular contact system The reliability of the moving contact linkage is consistent with the contact force of each set of contact pressures. According to the embodiment of the present invention, the above-mentioned three kinds of single-pole contact modules can be sequentially inserted to form the linkage of the movable contacts without adding independent linkage components.

本发明提出的模块化断路器的动触头联动结构中的旋转动触头结构不 同于以往传统的结构， 该结构能够省略独立于触头模块外的联动结构， 可 将触头模块相互间进行直接插接联动， 联动件采用绝缘材料， 无相间短路 风险。 本发明还考虑了旋转动触头联动结构复杂性引起的零部件工艺性、 安装便捷性和结构强度， 确保批量生产和使用的可靠性。  The rotary movable contact structure in the movable contact linkage structure of the modular circuit breaker proposed by the invention is different from the conventional structure, and the structure can omit the linkage structure independent of the contact module, and the contact modules can be mutually performed Direct plug-in linkage, the linkage is made of insulating material, no risk of phase-to-phase short circuit. The invention also considers the processability, installation convenience and structural strength of the parts caused by the complexity of the rotating moving contact linkage structure, and ensures the reliability of mass production and use.

上述实施例是提供给熟悉本领域内的人员来实现或使用本发明的， 熟 悉本领域的人员可对上述实施例作出种种修改和变化而不脱离本发明的思 想， 因而本发明的保护范围并不是被上述实施例所限， 而应该是符合权利 要求提到的创新特征的最大范围。  The above embodiments are provided to those skilled in the art to implement or use the present invention. Those skilled in the art can make various modifications and changes to the above embodiments without departing from the scope of the present invention. It is not limited by the above embodiments, but should be the widest range of innovative features mentioned in the claims.

Claims

权利要求 Rights request 1. 一种模块化断路器的动触头联动结构， 其特征在于， 包括： 第一壳体和第二壳体， 第一壳体和第二壳体上分别具有第一安装孔和 第二安装孔， 第一安装孔和第二安装孔的位置相对应； A movable contact linkage structure of a modular circuit breaker, comprising: a first housing and a second housing, the first housing and the second housing respectively having a first mounting hole and a second a mounting hole, a position of the first mounting hole and the second mounting hole; 第一短轴；  First short axis; 操作机构侧板， 操作机构侧板上具有第三通孔， 所述第三通孔位于触 头转子转动中心对应的位置；  a side plate of the operating mechanism, the side plate of the operating mechanism has a third through hole, and the third through hole is located at a position corresponding to the center of rotation of the contact rotor; 操作机构下连杆， 操作机构下连杆具有第四通孔， 第四通孔与第一短 轴插接配合；  The lower link of the operating mechanism, the lower link of the operating mechanism has a fourth through hole, and the fourth through hole is mated with the first short shaft; 触头转子， 触头转子绕转动中心旋转， 触头转子的两侧具有配合面； 第一联动块， 连接到触头转子的第一侧的配合面；  a contact rotor, the contact rotor rotates around a center of rotation, and the two sides of the contact rotor have a mating surface; the first linkage block is connected to the mating surface of the first side of the contact rotor; 第二联动块， 连接到触头转子的第二侧的配合面；  a second linkage block, coupled to the mating surface of the second side of the contact rotor; 所述触头转子、 第一联动块和第二联动块安装在第一安装孔和第二安 装孔内。  The contact rotor, the first linkage block and the second linkage block are mounted in the first mounting hole and the second mounting hole. 2.如权利要求 1所述的模块化断路器的动触头联动结构，其特征在于， 所述触头转子上具有第一凹槽孔， 所述第一凹槽孔设置在触头转子的 两侧的配合面上， 位于同一侧的配合面上的第一凹槽孔相对于触头转子的 转动中心对称。 The movable contact linkage structure of the modular circuit breaker according to claim 1, wherein the contact rotor has a first recessed hole, and the first recessed hole is disposed in the contact rotor The first groove holes on the mating faces on the same side are symmetric with respect to the center of rotation of the contact rotor. 3.如权利要求 2所述的模块化断路器的动触头联动结构，其特征在于， 第一联动块具有第一联动配合面和第二联动配合面； The movable contact linkage structure of the modular circuit breaker according to claim 2, wherein the first linkage block has a first linkage mating surface and a second linkage mating surface; 第一联动配合面上对应触头转子的转动中心的位置具有凸起的第一圆 轴， 第一圆轴与第三通孔插接配合， 所述第一圆轴的轴向长度至少穿过第 三通孔并延伸到第二联动块上的第一非通圆孔； 第一联动配合面上有平行 于触头转子的转动轴线的第二非通圆孔， 第二非通圆孔与第一短轴插接配 合；  a position on the first linkage mating surface corresponding to the center of rotation of the contact rotor has a convex first circular shaft, the first circular shaft is mated with the third through hole, and the axial length of the first circular shaft passes through at least a third through hole and extending to the first non-circular hole on the second linkage block; the first linkage mating surface has a second non-circular hole parallel to the rotation axis of the contact rotor, and the second non-circular hole First short shaft plug fit; 第二联动配合面上具有第二凸台， 第二凸台与触头转子上的第一凹槽 孔配合。 a second boss on the second linkage mating surface, the second boss and the first groove on the contact rotor Hole fit. 4.如权利要求 3所述的模块化断路器的动触头联动结构，其特征在于， 第二联动块具有第三联动配合面和第四连动配合面； The movable contact linkage structure of the modular circuit breaker according to claim 3, wherein the second linkage block has a third linkage mating surface and a fourth linkage mating surface; 第三联动配合面上对应触头转子的转动中心的位置具有第一非通圆 孔， 该第一非通圆孔与第一联动块的第一圆轴插接配合； 第三联动配合面 上有平行于触头转子的转动轴线的第三非通圆孔， 第三非通圆孔与第一短 轴插接配合； 第三联动配合面上有第二凹槽孔；  a position of the third linkage mating surface corresponding to the rotation center of the contact rotor has a first non-circular hole, and the first non-circular hole is mated with the first circular shaft of the first linkage block; the third linkage mating surface a third non-circular hole parallel to the rotation axis of the contact rotor, the third non-circular hole is mated with the first short shaft; the third interlocking surface has a second groove hole; 第四联动配合面上具有第三凸台， 第三凸台与触头转子上的第一凹槽 孔配合。  The fourth linkage mating surface has a third boss, and the third boss cooperates with the first recess hole on the contact rotor. 5.如权利要求 4所述的模块化断路器的动触头联动结构，其特征在于， 第一联动块的外圆周有第一圆弧面， 第一圆弧面与所述第一壳体和第 二壳体配合转动； The movable contact linkage structure of the modular circuit breaker according to claim 4, wherein the outer circumference of the first linkage block has a first circular arc surface, the first circular arc surface and the first housing Rotating with the second housing; 第二联动块的外圆周有第二圆弧面， 第二圆弧面与所述第一壳体和第 二壳体配合转动。  The outer circumference of the second linkage block has a second arcuate surface, and the second arcuate surface cooperates with the first housing and the second housing to rotate. 6.如权利要求 5所述的模块化断路器的动触头联动结构，其特征在于， 第一联动块的第一联动配合面上具有第一凸台， 第一凸台与第二联动 块的第三联动配合面上的第二凹槽孔配合。 The movable contact linkage structure of the modular circuit breaker according to claim 5, wherein the first linkage mating surface of the first linkage block has a first boss, the first boss and the second linkage block The second groove on the third engaging surface cooperates with the second recessed hole. 7.如权利要求 6所述的模块化断路器的动触头联动结构，其特征在于， 所述第一安装孔中靠近第一壳体外表面的位置具有整圆形的第四凸 台，第四凸台限定第一联动块或第二联动块向第一壳体外表面的凸出位置； 第一安装孔与第一联动块的第一圆弧面或第二联动块的第二圆弧面转 动配合； The movable contact linkage structure of the modular circuit breaker according to claim 6, wherein a position of the first mounting hole adjacent to an outer surface of the first housing has a fourth circular boss, The four bosses define a protruding position of the first linkage block or the second linkage block toward the outer surface of the first housing; the first mounting hole and the first circular arc surface of the first linkage block or the second circular arc surface of the second linkage block Rotating fit 第一安装孔不阻挡第一联动块的第一凸台与第二联动块的第二凹槽孔 的插接配合， 也不阻挡第一联动块或第二联动块与第一短轴的插接配合。 The first mounting hole does not block the mating engagement of the first boss of the first linkage block and the second groove hole of the second linkage block, nor does it block the insertion of the first linkage block or the second linkage block with the first short axis Cooperate. 8.如权利要求 6所述的模块化断路器的动触头联动结构，其特征在于， 所述第二安装孔中靠近第二壳体外表面的位置具有整圆形的第五凸 台，第五凸台限定第一联动块或第二联动块向第二壳体外表面的凸出位置； 第二安装孔与第一联动块的第一圆弧面或第二联动块的第二圆弧面转 动配合； The movable contact linkage structure of the modular circuit breaker according to claim 6, wherein a position of the second mounting hole adjacent to an outer surface of the second housing has a fifth circular boss, The fifth boss defines a protruding position of the first linkage block or the second linkage block toward the outer surface of the second housing; the second mounting hole and the first circular arc surface of the first linkage block or the second circular arc surface of the second linkage block Rotating fit 第二安装孔不阻挡第一联动块的第一凸台与第二联动块的第二凹槽孔 的插接配合， 也不阻挡第一联动块或第二联动块与第一短轴的插接配合。  The second mounting hole does not block the mating engagement of the first boss of the first linkage block and the second groove hole of the second linkage block, nor does it block the insertion of the first linkage block or the second linkage block with the first short axis Cooperate. 9. 如权利要求 7或 8 所述的模块化断路器的动触头联动结构， 其特 征在于， 9. The movable contact linkage structure of a modular circuit breaker according to claim 7 or 8, wherein: 第一联动块上的第二凸台和第二联动块上的第三凸台分别插接在触头 转子两侧的配合面上的第一凹槽孔中， 第一联动块上的第二非通圆孔的轴 线和第二联动块上的第三非通圆孔的轴线对齐；  The second boss on the first linkage block and the third boss on the second linkage block are respectively inserted into the first groove holes on the mating faces on both sides of the contact rotor, and the second on the first linkage block The axis of the non-circular aperture is aligned with the axis of the third non-circular aperture on the second linkage block; 第一联动块、 触头转子和第二联动块一同被放入第一壳体的第一安装 孔和第二壳体的第二安装孔中， 闭合第一壳体和第二壳体形成单极触头模 块。  The first linkage block, the contact rotor and the second linkage block are placed together in the first mounting hole of the first housing and the second mounting hole of the second housing to close the first housing and the second housing to form a single Polar contact module. 10. 如权利要求 7或 8所述的模块化断路器的动触头联动结构， 其特 征在于， 10. The movable contact linkage structure of a modular circuit breaker according to claim 7 or 8, wherein: 两个第二联动块上的第三凸台分别插接在触头转子两侧的配合面上的 第一凹槽孔中， 两个第二个联动块上的第三非通圆孔的轴线对齐；  The third bosses on the two second linkage blocks are respectively inserted into the first groove holes on the mating faces on both sides of the contact rotor, and the axes of the third non-through holes on the two second linkage blocks Align 第一联动块、 触头转子和第二联动块一同被放入第一壳体的第一安装 孔和第二壳体的第二安装孔中， 闭合第一壳体和第二壳体形成单极触头模 块。  The first linkage block, the contact rotor and the second linkage block are placed together in the first mounting hole of the first housing and the second mounting hole of the second housing to close the first housing and the second housing to form a single Polar contact module.
PCT/CN2012/081803 2011-09-26 2012-09-24 A linkage structure of the moving contact of the modular circuit breaker Ceased WO2013044765A1 (en)

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BR112014007148-9A BR112014007148B1 (en) 2011-09-26 2012-09-24 mobile contact connection structure for modular circuit breaker
EP12834733.3A EP2763154B1 (en) 2011-09-26 2012-09-24 A linkage structure of the moving contact of the modular circuit breaker
ES12834733.3T ES2622654T3 (en) 2011-09-26 2012-09-24 A connection structure of the mobile contact of the modular circuit breaker

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CN201110287701.4 2011-09-26
CN201110287701.4A CN103021745B (en) 2011-09-26 2011-09-26 Moving contact linkage structure of modularized circuit breaker

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EP2763154B1 (en) 2017-03-29
CN103021745B (en) 2015-03-25
EP2763154A4 (en) 2015-08-12
ES2622654T3 (en) 2017-07-06
CN103021745A (en) 2013-04-03
BR112014007148B1 (en) 2021-03-02
EP2763154A1 (en) 2014-08-06
BR112014007148A2 (en) 2017-04-04

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