CN207651438U - Breaker - Google Patents

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Publication number
CN207651438U
CN207651438U CN201721429515.9U CN201721429515U CN207651438U CN 207651438 U CN207651438 U CN 207651438U CN 201721429515 U CN201721429515 U CN 201721429515U CN 207651438 U CN207651438 U CN 207651438U
Authority
CN
China
Prior art keywords
breaker
shell
installation cavity
leading
out terminal
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.)
Withdrawn - After Issue
Application number
CN201721429515.9U
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Chinese (zh)
Inventor
葛伟骏
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
Shanghai Dianke Electrical Technology Co Ltd
Original Assignee
Zhejiang Chint Electrics Co Ltd
Shanghai Dianke Electrical 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, Shanghai Dianke Electrical Technology Co Ltd filed Critical Zhejiang Chint Electrics Co Ltd
Priority to CN201721429515.9U priority Critical patent/CN207651438U/en
Application granted granted Critical
Publication of CN207651438U publication Critical patent/CN207651438U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

A kind of breaker, including shell and be pivotally connected inside housings and one end stretch out shell outside handle, end of incoming cables, leading-out terminal, operating mechanism, arc-extinguishing mechanism, electromagnetic system and the bimetal leaf component being installed in shell;The inner space through-thickness layering setting of breaker, including first layer installation cavity and second layer installation cavity;The handle, end of incoming cables, leading-out terminal, operating mechanism, arc-extinguishing mechanism, electromagnetic system and bimetal leaf component are respectively arranged in first layer installation cavity and second layer installation cavity.Each element of circuit breaker internal is carried out layering setting by the utility model, the element of circuit breaker internal is arranged again, the appropriate thickness for increasing breaker, to reduce the height of breaker, to meet the working environment of communication breaker, it is clear that the breaker of the utility model can also meet the requirement of other industry definite purpose circuit breaker.

Description

Breaker
Technical field
The utility model is related to Low Voltage Electrical Apparatus, more particularly to a kind of communication breaker.
Background technology
In communications industry, standard cabinet is with 1U for a working cell, i.e., height is about 44.45mm.With communication skill The component of the high speed development of art, interior of equipment cabinet is constantly minimized to meet the design requirement of 1U, by improving in cabinet Density of components saves the usable floor area of computer room.And traditional its height of miniature circuit breaker (abbreviation MCB) is there are about 80-90mm, Along with the space of terminating wire, the height of 3U need to be occupied, constrains the development of communication cabinet.In addition existing communication breaker There is also wiring inconvenience, arc-extinguishing mechanism radiates the problems such as bad.
Invention content
The purpose of the utility model is to overcome the defects of the prior art, provide a kind of simple and compact for structure, performance installation Stablize, breaker at low cost.
To achieve the above object, the utility model uses following technical solution:
A kind of breaker, including shell 1 and the handle 8 being pivotably attached to outside 1 inside of shell and one end stretching shell 1, peace Loaded on end of incoming cables 2, leading-out terminal 3, operating mechanism 4, arc-extinguishing mechanism 5, electromagnetic system 6 and the bimetal leaf component 7 in shell 1;It is disconnected The inner space through-thickness layering setting of road device, including first layer installation cavity 101 and second layer installation cavity 102;The hand Handle 8, end of incoming cables 2, leading-out terminal 3, operating mechanism 4, arc-extinguishing mechanism 5, electromagnetic system 6 and bimetal leaf component 7 are respectively arranged in In one layer of installation cavity 101 and second layer installation cavity 102.
Further, the end of incoming cables 2, leading-out terminal 3, operating mechanism 4, arc-extinguishing mechanism 5 and electromagnetic system 6 are installed on first In layer installation cavity 101;Handle 8 and bimetal leaf component 7 are installed in second layer installation cavity 102.
Further, the shell 1 includes middle partition board 11, pedestal 12 and lid 13, and pedestal 12 and lid 13 are fastened on interval respectively The both sides of plate 11;The inner space of breaker is divided into first layer installation cavity 101 and second layer installation cavity 102 by middle partition board 11;Hand Handle 8 and leading-out terminal 3 are set to the top of shell 1, the handle 8 and leading-out terminal 3 along the in running order thickness direction of breaker Set on the side of shell 1, electromagnetic system 6 is set to the underface of leading-out terminal 3, and electromagnetic system 6 and leading-out terminal 3 are electrically connected, and operate machine Structure 4 is set to the side of electromagnetic system 6, and arc-extinguishing mechanism 5 is set to the underface of electromagnetic system 6, and bimetal leaf component 7 is installed on shell 1 bottom, is located at 4 one side-lower of operating mechanism, and bimetal leaf component 7 is electrically connected with end of incoming cables 2.
Further, the protrusion of the leading-out terminal 3 is set to 1 top of shell, and leading-out terminal 3 includes going out for 1 top droop of shell setting Line end shell 31 and the connecting terminal being installed in outlet end housing 31, connecting terminal are obliquely installed upward;Outlet end housing 31 Include vertically disposed with the connecting terminal of leading-out terminal 3 first side 311 disposed in parallel and with the connecting terminal of leading-out terminal 3 Second side 312, first side 311 are equipped with the wiring window 311a for wiring, and second side 312 is equipped with installation wiring The screw window 312a of screw.
Further, the breaker height is 37-40mm, thickness 25-30mm, length 95-100mm.
Further, the operating mechanism 4 includes U-shaped bar 41, lock 42, tripping 43 and holder 44;Holder 44 is pivotally connected On shell 1, lock 42, tripping 43 is pivotably attached to holder 44 towards the side of bimetal leaf component 7, and lock 42 is located at tripping One end of 43 top, U-shaped bar 41 passes through the first fluting 103 on middle partition board 11 to be pivotally connected with handle 8, the other end and lock Button 42 is pivotally connected, 42 hasp connections of tripping 43 and lock, and moving contact 9 has also been pivotally connected on holder 44, electromagnetic system 6 Lower section is equipped with static contact 10, and static contact 10 and moving contact 9 are oppositely arranged, and breaker with dynamic/static contact 10 and is moved by handle 8 Contact 9 is contacting and separating to be switched on and off circuit.
Further, the tripping 43 includes the first end arms 431 and the second end arms 432,42 hasps of the first end arms 431 and lock Connection, the first end arms 431 are equipped with hasp groove 4311 towards lock 42, and lock 42 is equipped with recessed with hasp towards the first end arms 431 The snap tab 4211 of 4311 hasp connection of slot;The side of second end arms 432 towards second layer installation cavity 102 is projecting inward to be equipped with The third end arms 433 being engaged with the bimetal leaf 71 of bimetal leaf component 7, third end arms 433 is towards bimetal leaf 71 Side protrusion is equipped with touching boss 4331, and middle partition board 11 is equipped with third end arms 433 and passes through coordinate with bimetal leaf 71 second to open One end of slot 104, bimetal leaf 71 is fixed, and other end side is double when overload fault occurs for circuit towards touching boss 4331 The fever deformation of sheet metal 71 hits touching boss 4331 with the dropout cut-out circuit of pneumatic operating mechanism 4;The middle part court of the tripping 43 The flexible restoring organ 15 resetted for tripping 43 is connected with to the other side;The end of second end arms 432 is towards the other side Protrusion is equipped with limit protrusion 4321, and limit protrusion 4321 stretches to the side of moving contact 9, is located at the lower section of holder 44.
Further, the flexible restoring organ 15 includes resetting-mechanism ontology 151, and resetting-mechanism ontology 151 is located at holder 44 other side and the other side of holder 44 are arranged in parallel, and resetting-mechanism ontology 151 is equipped with the pivot being pivotally connected with holder 44 Hole 1511, resetting-mechanism ontology 151 are upwardly extended equipped with resilient wing 152, and the resilient wing 152 includes 1521 He of the waveform wing The rounded portions 1522 of 1521 end of the waveform wing;The side protrusion of the resetting-mechanism ontology 151 towards tripping 43 is equipped with first The top protrusion of supporting lug 153, supporting lug 153 is equipped with rectangular mounting blocks 1531, and the tripping 43 is towards resetting-mechanism sheet The side of body 151 is equipped with the second supporting lug 153, and the middle part of the second supporting lug 153 is equipped with installs with rectangular mounting blocks 1531 The top of the rectangular mounting groove 4341 of cooperation, rectangular mounting blocks 1531 is equipped with rivet 1532, and the bottom of rectangular mounting groove 4341 is recessed The riveted holes 4342 being equipped with the riveting cooperation of rivet 1532 are fallen into, tripping 43 and resetting-mechanism ontology 151 are pivotably attached to prop up simultaneously Frame 44 is linked.
Further, the shell 1 is equipped with to fasten in the side of leading-out terminal 3 additional shell 17, and additional shell 17 is equipped with Neutral conductor end of incoming cables 172 for connecting to neutral and neutral conductor leading-out terminal 173, neutral conductor leading-out terminal 173 and leading-out terminal 3 are set side by side It sets, neutral conductor end of incoming cables 172 and end of incoming cables 2 shift to install.
Further, the shell 1 includes middle partition board 11, and the inner space of breaker is divided into first layer and installed by middle partition board 11 Chamber 101 and second layer installation cavity 102;Middle partition board 11 is being equipped with the heat emission hole being vented for arc-extinguishing mechanism 5 at arc-extinguishing mechanism 5 1102;The middle partition board 11 is equipped with the installation cavity 111 for installing arc-extinguishing mechanism 5, installs cavity 111 towards arc extinguishing machine The bottom end protrusion of 5 one end open of structure, installation cavity 111 stretches in second layer installation cavity 102, and heat emission hole 1102 is set to installation The bottom end of cavity 111.
Each element of circuit breaker internal is carried out layering setting by the utility model, and cloth again is carried out to the element of circuit breaker internal It sets, the appropriate thickness for increasing breaker, to reduce the height of breaker, to meet the working environment of communication breaker, it is clear that The breaker of the utility model can also meet the requirement of other industry definite purpose circuit breaker.Handle and bimetal leaf component are installed on In two layers of installation cavity, handle and bimetal leaf component want small relative to other elements in a thickness direction, can reduce shell and exist The thickness of thickness direction is conducive to the miniaturization with regard to breaker, in addition, so arrange end of incoming cables, leading-out terminal be in same peace In behaveing affectedly, it is convenient for back panel wiring;Obviously, the position of handle and leading-out terminal can be interchanged, i.e., handle is installed on first layer installation cavity Interior, leading-out terminal is installed in second layer installation cavity.The rational and compact of the internal element of breaker, performance safety are stablized, at This is low.Leading-out terminal protrusion is set to case top, and leading-out terminal is set to case top, by increasing length, to reduce the height of open circuit, To meet the working environment of communication breaker, leading-out terminal protrusion is set to case top and also acts as convenient for the effect for wiring. And outlet end housing is obliquely installed upward with the connecting terminal being installed in outlet end housing, and wiring is carried out convenient for user.Through The improvement of above structure layout is crossed, breaker highly reaches 37-40mm, thickness 25-30mm in working condition, and length is 95-100mm meets the requirement of the working environment of foot communication breaker, and overall structure more minimizes.Preferably, breaking The height of device is 40mm, thickness 27mm, length 100mm.Tripping and flexible restoring organ are located at the both sides connection of tripping Dynamic cooperation.
Description of the drawings
Fig. 1 is the integrally-built stereogram of the utility model breaker;
Fig. 2 is the stereogram of the utility model breaker bottom outwardly;
Fig. 3 is the stereogram in the integrally-built another orientation of the utility model breaker;
Fig. 4 is stereogram of the utility model breaker in use state;
Fig. 5 is the stereogram that the utility model breaker increases the neutral conductor;
Fig. 6 is that the utility model breaker increases the stereogram of neutral conductor bottom outwardly;
Fig. 7 is the utility model breaker side internal structure chart;
Fig. 8 is the utility model breaker other side internal structure chart;
Fig. 9 is the stereogram of the utility model circuit breaker internal element;
Figure 10 is the stereogram of the utility model tripping side;
Figure 11 is the stereogram of the utility model tripping other side;
Figure 12 is the stereogram of the utility model flexible restoring organ;
Figure 13 is the front schematic view of partition board in the utility model;
Figure 14 is the schematic rear view of partition board in the utility model.
Specific implementation mode
Below in conjunction with the embodiment that attached drawing 1 to 14 provides, the specific implementation of the breaker of the utility model is further illustrated Mode.The breaker of the utility model is not limited to the following description.
As represented in figures 1 through 14, the utility model breaker breaker, including shell 1 and be pivotably attached to the inside of shell 1 and The handle 8 outside shell 1 is stretched out in one end, is installed on end of incoming cables 2 in shell 1, leading-out terminal 3, operating mechanism 4, arc-extinguishing mechanism 5, electricity Magnetic system 6 and bimetal leaf component 7.
As shown in Fig. 1,2,7,8, the thickness side when inner space of the utility model breaker is along working state of circuit breaker It is arranged to layering, including first layer installation cavity 101 and second layer installation cavity 102;The handle 8, end of incoming cables 2, leading-out terminal 3, behaviour Make mechanism 4, arc-extinguishing mechanism 5, electromagnetic system 6 and bimetal leaf component 7 are respectively arranged in first layer installation cavity 101 and the second layer In installation cavity 102.Each element of circuit breaker internal is carried out layering setting by the utility model, is carried out again to the element of circuit breaker internal Secondary arrangement, the appropriate thickness for increasing breaker, to reduce the height of breaker, to meet the working environment of communication breaker, The breaker of obvious the utility model can also meet the requirement of other industry definite purpose circuit breaker.
Particularly, the improvement of the utility model breaker is the open circuit for having overload and short-circuit protection function to monopole The layout of the layering setting of device, can significantly reduce the height of breaker, to adapt to the requirement of the volume parameter of communication breaker.
Specifically, as shown in Fig. 3,7,8, the shell 1 includes middle partition board 11, pedestal 12 and lid 13, pedestal 12 and lid 13 It is fastened on the both sides of middle partition board 11 respectively;The inner space of breaker is divided into first layer installation cavity 101 and second by middle partition board 11 Layer installation cavity 102;The end of incoming cables 2, leading-out terminal 3, operating mechanism 4, arc-extinguishing mechanism 5 and electromagnetic system 6 are installed on first layer peace It behave affectedly in 101;Handle 8 and bimetal leaf component 7 are installed in second layer installation cavity 102, and handle 8 and leading-out terminal 3 are along breaker In running order thickness direction is set to the top of shell 1.Handle 8 and bimetal leaf component 7 are installed on second layer installation cavity In 102, handle 8 and bimetal leaf component 7 want small relative to other elements in a thickness direction, can reduce shell in thickness side To thickness, be conducive to the miniaturization with regard to breaker, in addition, so arrangement end of incoming cables 2, leading-out terminal 3 be in same installation cavity It is interior, it is convenient for back panel wiring.Certainly there can also be some other placement schemes, such as the position of handle 8 and leading-out terminal 3 can be mutual It changes, i.e., handle 8 is installed in first layer installation cavity 101, and leading-out terminal 3 is installed in second layer installation cavity 102.For example, electromagnetic system System 6 and/or end of incoming cables 2 can also be mounted on second layer installation cavity 102.
As shown in Fig. 1,2,7,8, set on the side of shell 1, electromagnetic system 6 is set to leading-out terminal for the handle 8 and leading-out terminal 3 3 underface, electromagnetic system 6 and leading-out terminal 3 are electrically connected, and operating mechanism 4 is set to the side of electromagnetic system 6, and arc-extinguishing mechanism 5 is set to The underface of electromagnetic system 6, bimetal leaf component 7 are installed on 1 bottom of shell, are located at 4 one side-lower of operating mechanism, bimetal leaf Component 7 is electrically connected with end of incoming cables 2, and bimetal leaf component 7 is electrically connected by conducting wire with moving contact 9, the lower section installation of electromagnetic system 6 There are static contact 10, operating mechanism 4 to be connect with moving contact 9, static contact 10 is oppositely arranged with moving contact 9, and breaker passes through 8 band of handle Dynamic/static contact 10 and moving contact 9 are contacting and separating to be switched on and off circuit.The internal element of breaker it is rationally distributed tight It gathers, performance safety is stablized, at low cost.
As Fig. 4 give the utility model breaker use state schematic diagram.In use, 8 He of handle of breaker Leading-out terminal 3 is towards user.
As shown in Figs 1-4, the protrusion of the leading-out terminal 3 is set to 1 top of shell, includes the outlet of 1 top droop of shell setting End housing 31 and the connecting terminal being installed in outlet end housing 31, connecting terminal are obliquely installed upward;Outlet end housing 31 is wrapped Include with the connecting terminal of leading-out terminal 3 first side 311 disposed in parallel and with the connecting terminal of leading-out terminal 3 vertically disposed second Side 312, first side 311 are equipped with the wiring window 311a for wiring, and second side 312 is equipped with installation terminal screw Screw window 312a.The protrusion of leading-out terminal 3 is set to 1 top of shell, and leading-out terminal is set to 1 top of shell to be come by increasing length The height for reducing open circuit, to meet the working environment of communication breaker, the protrusion of leading-out terminal 3 is set to 1 top of shell and also acts as just In the effect for wiring.And outlet end housing 31 is tilted with the connecting terminal being installed in outlet end housing 31 and is set upward It sets, wiring is carried out convenient for user.
By the improvement that above structure is laid out, the breaker highly reaches 37-40mm in working condition, and thickness is 25-30mm, length 95-100mm meet the requirement of the working environment of foot communication breaker, and overall structure is more small-sized Change.Preferably, the height of breaker is 40mm, thickness 27mm, length 100mm.
As Figure 4-Figure 6, shell can increase by one layer in the side of pedestal, can not cut-off neutral conductor pole for placing, be formed One band, one overcurrent protection pole and the single-pole circuit breaker that the neutral conductor can not be cut-off.The shell 1 is set in the side of leading-out terminal 3 There is fastening to have additional shell 17, additional shell 17 is equipped with neutral conductor end of incoming cables 172 and neutral conductor outlet for connecting to neutral End 173, neutral conductor leading-out terminal 173 and leading-out terminal 3 are arranged side by side, and neutral conductor end of incoming cables 172 and end of incoming cables 2 shift to install.Obviously, Breaker may be set to be multipole circuit breaker, it is only necessary in parallel successively in pedestal side.Neutral conductor end of incoming cables 172 connects The connecting terminal of line terminals and end of incoming cables 2 shifts to install, and rationally utilizes the bottom space of breaker.Particularly, breaker inlet wire The connecting terminal at end can make cage connecting terminal, may be alternatively configured plug-in type connection terminal (referring to Fig. 6) or other structures Pattern.
As Figure 7-9, the operating mechanism 4 includes U-shaped bar 41, lock 42, tripping 43 and holder 44;44 pivot of holder Turn to be connected on shell 1, lock 42, tripping 43 is pivotably attached to holder 44 towards the side of bimetal leaf component 7, latches 42 In the top of tripping 43, one end of U-shaped bar 41 passes through the first fluting 103 on middle partition board 11 to be pivotally connected with handle 8, the other end It is pivotally connected with lock 42,42 hasp connections of tripping 43 and lock, moving contact 9, electromagnetic system has also been pivotally connected on holder 44 6 lower section is equipped with static contact 10, and static contact 10 and moving contact 9 are oppositely arranged, and breaker is by handle 8 with 10 He of dynamic/static contact Moving contact 9 is contacting and separating to be switched on and off circuit.The overall structure simple and compact of operating mechanism, performance safety are stablized.
As shown in figs. 10-12, the tripping 43 includes the first end arms 431 and the second end arms 432, the first end arms 431 and lock 42 hasp connections are detained, the first end arms 431 is equipped with hasp groove 4311 towards lock 42, and lock 42 is set to towards the first end arms 431 With the snap tab 4211 of 4311 hasp connection of hasp groove;Hasp groove 4311 cooperates with snap tab 4211 and maintains behaviour Make the stable state of mechanism, hasp groove 4311 is square groove, is conducive to hasp stabilization.Second end arms 432 is towards the second layer The third end arms 433 that the projecting inward bimetal leaf 71 equipped with bimetal leaf component 7 in side of installation cavity 102 is engaged, the The side protrusion of three end arms 433 towards bimetal leaf 71 is equipped with touching boss 4331, by touching boss 4331 and bimetal leaf 71 are engaged, and are more advantageous to being engaged for bimetal leaf 71 and tripping so that trip operation is more reliable and more stable.Middle partition board 11, which are equipped with third end arms 433, passes through the second fluting 104 coordinated with bimetal leaf 71, and one end of bimetal leaf 71 is fixed, another Hold side towards touching boss 4331, middle partition board 11 setting second fluting 104 so that the bimetal leaf 7 of side can with it is another The tripping 43 of side is engaged, and completes trip operation.When overload fault occurs for circuit, the fever deformation of bimetal leaf 71 hits tactile Boss 4331 is touched with the dropout cut-out circuit of pneumatic operating mechanism 4;The middle part of the tripping 43 is connected with towards the other side for tripping 43 flexible restoring organs 15 resetted;The end of second end arms 432 is equipped with limit protrusion 4321, limit towards other side protrusion Position protrusion 4321 stretches to the side of moving contact 9, is located at the lower section of holder 44, and limit protrusion 4321 is touched for limiting bracket 44 with dynamic First 9 displacement distance.Tripping meets the requirement of circuit breaker internal element layering setting by above-mentioned structure setting.
As shown in figs. 10-12, flexible restoring organ 15 includes resetting-mechanism ontology 151, and resetting-mechanism ontology 151 is located at The other side of holder 44 and the other side of holder 44 are arranged in parallel, and resetting-mechanism ontology 151 is equipped with and is pivotally connected with holder 44 Pivot hole 1511, resetting-mechanism ontology 151 are upwardly extended equipped with resilient wing 152, and the resilient wing 152 includes the waveform wing 1521 and 1521 end of the waveform wing rounded portions 1522;Answering for tripping is realized in resilient wing 152 and the madial wall cooperation of shell 1 Position, resilient wing 152 can also be set as other resetting structures.The side protrusion of the resetting-mechanism ontology 151 towards tripping 43 is set There is the first supporting lug 153, the top protrusion of supporting lug 153 is equipped with rectangular mounting blocks 1531, and the tripping 43 is towards reset The side of mechanism body 151 is equipped with the second supporting lug 153, and the middle part of the second supporting lug 153 is equipped with and rectangular mounting blocks The rectangular mounting groove 4341 of 1531 installation cooperations, the top of rectangular mounting blocks 1531 are equipped with rivet 1532, rectangular mounting groove 4341 Bottom notch be equipped with rivet 1532 riveting cooperation riveted holes 4342, tripping 43 and resetting-mechanism ontology 151 pivot simultaneously Holder 44 is connected to be linked.Obviously, tripping 43 may be to be fixedly connected with flexible restoring organ 15, tripping 43 and elasticity The both sides that resetting-mechanism 15 is located at tripping 43 are linked.
As shown in Figure 7,8, shown, it is additionally provided with signal wire connecting terminal 18 in the second layer installation cavity 102, signal wire connects Line terminals 18 are located at the lower section of housing bottom arc-extinguishing mechanism 5, and signal wire connecting terminal 18 is electrically connected by conducting wire with electromagnetic system 6 The transmission of division status information for breaker.Signal wire connecting terminal 18 is set to element and is distributed less second layer installation Chamber, reasonable structural arrangement.
As shown in Figure 1,5, the utility model breaker, handle 8 and leading-out terminal 3 are arranged side by side along thickness of shell direction;Electricity Magnetic system 6, operating system 4, arc-extinguishing mechanism 5 are arranged along shell length direction.The utility model circuit breaker handle and leading-out terminal edge Thickness of shell direction is arranged side by side, and structure is compacter, is conducive to the reduction of the length and height of breaker, more adapts to communication and uses The installation environment of breaker.
Specifically, as shown in Fig. 2,9, signal wire connecting terminal 18, leading-out terminal 3, electromagnetic system 6 are located at the same of shell 1 Side, electromagnetic system 6 are located at the lower section of leading-out terminal 3, and leading-out terminal 3 is connect with electromagnetic system 6, and the utility model breaker signal line connects Line terminals, leading-out terminal, electromagnetic system are located at the same side of Shell of circuit breaker and electromagnetic system is located at the lower section of leading-out terminal, conveniently connect Line saves the total length of wiring, at low cost.Obviously, signal wire connecting terminal, leading-out terminal, electromagnetic system can have other layouts, Wiring cost can accordingly increase.
As shown in Fig. 7,9, one end of the signal wire 181 is connect with electromagnetic system 6, and middle partition board 11 is close to electromagnetic system The signal line three-way hole 1105 that passes through of the other end equipped with signal wire 181 at 6, the other end of signal wire 181 is from signal line three-way hole 1105 pass through and stretch to second layer installation cavity 102 and connect with the signal wire connecting terminal 18 in second layer installation cavity 102.By in Setting signal line three-way hole on partition board, signal wire install wiring from the smaller second layer installation cavity of element, are laid out more reasonable, wiring It is more convenient.The middle partition board 11 protrudes two installations being mutually parallel towards second layer installation cavity 102 along shell length direction Convex ribs 118, two installation grooves 1181 for installing formation signal wire 181 between convex ribs 118.Installation groove 1181 to signal wire into Row installation is fixed, and signal line structure is reliable and stable.
As Figure 4-Figure 6, the shell 1 is equipped with to fasten in the side of leading-out terminal 3 additional shell 17, adds shell 17 and pacifies Equipped with for connecting to neutral neutral conductor end of incoming cables 172 and neutral conductor leading-out terminal 173, handle 8, leading-out terminal 3 and neutral conductor outlet End 173 is arranged side by side, and signal wire connecting terminal 18, neutral conductor end of incoming cables 172 and end of incoming cables 2 shift to install.Signal wire terminals Son, neutral conductor end of incoming cables and end of incoming cables shift to install, and avoid connecting terminal that the problem for bringing wiring inconvenience is arranged side by side.It is described go out The connecting terminal of line end 3, the connecting terminal and signal wire connecting terminal 18 of end of incoming cables 2 are that plug-in type connection terminal or cage connect Line terminals etc..
As illustrated in figs. 13-14, partition board 11 is being equipped at arc-extinguishing mechanism 5 for arc extinguishing machine in the utility model breaker The heat emission hole 1102 that structure 5 is vented.For the utility model breaker by being arranged heat emission hole on middle partition board, when arc-extinguishing mechanism arc extinguishing, can To be vented simultaneously into first layer installation cavity and second layer installation cavity, the hot gas that when arc extinguishing generates is discharged rapidly, and increase is gone out Arc efficiency improves the breaker service life.
As shown in Figs. 1-3, shell 1 is equipped with the gas vent 1106 for exhaust, and embodiment shell side side wall exists in figure It is respectively equipped with a gas vent 1106 close to first layer installation cavity and second layer installation cavity, in the bottom of the other side side wall of shell If there are one gas vents 1106.The position and number that gas vent 1106 is arranged can be adjusted according to actual conditions.
As illustrated in figs. 13-14, the middle partition board 11 is equipped with the installation cavity 111 for installing arc-extinguishing mechanism 5, installation cavity Body 111 is stretched in second layer installation cavity 102, is dissipated towards 5 one end open of arc-extinguishing mechanism, the bottom end protrusion of installation cavity 111 Hot hole 1102 is set to the bottom end of installation cavity 111.It is another that installation cavity protrusion for installing arc-extinguishing mechanism 5 stretches to shell The second layer installation cavity of side rationally utilizes the space of the shell other side, is conducive to reduce the thickness of breaker, while arc-extinguishing mechanism can Arc extinguishing hot gas is more quickly discharged to second layer installation cavity, the quenching time is reduced.
As illustrated in figs. 13-14, specifically, the bottom of the installation cavity 111 and installation cavity 111 are close to 1 middle part of shell Side wall be set to a plurality of setting side by side strip heat emission hole 1102.The bottom of cavity is installed and cavity is installed close to housing central section Side wall be equipped with strip heat emission hole, increase heat dissipation area.Heat emission hole may be round hole etc..The installation cavity 111 Side wall be equipped between the arc extinguishing grid pieces 501 of arc-extinguishing mechanism 5 gap installation cooperation installation raised line 1103.Raised line is installed 1103 for the gap installation cooperation with arc extinguishing grid pieces 501, and the mounting structure of arc-extinguishing mechanism is solid and reliable.The installation cavity 111 bottom is equipped with the support bar 1104 for being used to support arc-extinguishing mechanism 5.Support bar 1104 is used to support arc-extinguishing mechanism 5 so that goes out Arc mechanism 5 is spaced apart from bottom surface, convenient for heat dissipation.
As shown in figure 9, the opening of the arc-extinguishing mechanism 5 is towards operating mechanism side, the arc-extinguishing mechanism 5 is towards interval One end of the side of plate 11 is equipped with the fixed plate 502 for fixing arc extinguishing grid pieces, and the other end forms the installation of 503 face of open notch The heat emission hole 1102 of 111 bottom of cavity.The lower half portion of the arc-extinguishing mechanism 5 is installed in installation cavity 111, arc-extinguishing mechanism 5 Opening side lower half portion face installation 111 side wall of cavity heat emission hole 1102.Arc-extinguishing mechanism with existing arc-chutes Structure is compared, and fixed plate 502 only is arranged in the side of bottom, the other side forms open notch and installs the heat emission hole of cavity bottom Face is convenient for exhaust.In addition, arc-extinguishing mechanism half stretches into installation cavity 111, lower half portion and the installation cavity of the side that is open The heat emission hole 1102 of 111 side walls is discharged convenient for gas.
It, cannot the above content is specific preferred embodiment further detailed description of the utility model is combined Assert that the specific implementation of the utility model is confined to these explanations.For the ordinary skill of the utility model technical field For personnel, without departing from the concept of the premise utility, a number of simple deductions or replacements can also be made, should all regard To belong to the scope of protection of the utility model.

Claims (10)

1. a kind of breaker, it is characterised in that:Including shell (1) and it is pivotably attached to shell (1) inside and one end stretching shell (1) outside handle (8), be installed on end of incoming cables (2) in shell (1), leading-out terminal (3), operating mechanism (4), arc-extinguishing mechanism (5), Electromagnetic system (6) and bimetal leaf component (7);The inner space through-thickness layering setting of breaker, including first layer peace It behave affectedly (101) and second layer installation cavity (102);The handle (8), end of incoming cables (2), leading-out terminal (3), operating mechanism (4), arc extinguishing Mechanism (5), electromagnetic system (6) and bimetal leaf component (7) are respectively arranged in first layer installation cavity (101) and second layer installation cavity (102) in.
2. breaker according to claim 1, it is characterised in that:The end of incoming cables (2), leading-out terminal (3), operating mechanism (4), arc-extinguishing mechanism (5) and electromagnetic system (6) are installed in first layer installation cavity (101);Handle (8) and bimetal leaf component (7) it is installed in second layer installation cavity (102).
3. breaker according to claim 2, it is characterised in that:The shell (1) includes middle partition board (11), pedestal (12) With lid (13), pedestal (12) and lid (13) are fastened on the both sides of middle partition board (11) respectively;Middle partition board (11) is by the inside of breaker Space is divided into first layer installation cavity (101) and second layer installation cavity (102);Handle (8) and leading-out terminal (3) are in work along breaker The thickness direction for making state is set to the top of shell (1), and the handle (8) and leading-out terminal (3) are set to the side of shell (1), electricity Magnetic system (6) is set to the underface of leading-out terminal (3), and electromagnetic system (6) and leading-out terminal (3) electrical connection, operating mechanism (4) are set to electricity The side of magnetic system (6), arc-extinguishing mechanism (5) are set to the underface of electromagnetic system (6), and bimetal leaf component (7) is installed on shell (1) bottom, is located at (4) one side-lower of operating mechanism, and bimetal leaf component (7) is electrically connected with end of incoming cables (2).
4. according to any breakers of claim 1-3, it is characterised in that:Leading-out terminal (3) protrusion is set to shell (1) Top, leading-out terminal (3) include the outlet end housing (31) of shell (1) top droop setting and are installed in outlet end housing (31) Connecting terminal, connecting terminal is obliquely installed upward;Outlet end housing (31) includes sets parallel with the connecting terminal of leading-out terminal (3) The first side (311) set and the vertically disposed second side of connecting terminal (312) with leading-out terminal (3), first side (311) It is equipped with the wiring window (311a) for wiring, second side (312) is equipped with the screw window of installation terminal screw (312a)。
5. according to any breakers of claim 1-3, it is characterised in that:The breaker height is 37-40mm, thickness For 25-30mm, length 95-100mm.
6. breaker according to claim 3, it is characterised in that:The operating mechanism (4) includes U-shaped bar (41), lock (42), tripping (43) and holder (44);Holder (44) is pivotably attached on shell (1), is latched (42), and tripping (43) is pivotally connected In holder (44) towards the side of bimetal leaf component (7), lock (42) is located at the top of tripping (43), and the one of U-shaped bar (41) First fluting (103) of the end on middle partition board (11) is pivotally connected with handle (8), and the other end is pivotally connected with lock (42), Tripping (43) and lock (42) hasp connection, have also been pivotally connected moving contact (9), the lower section of electromagnetic system (6) on holder (44) Static contact (10) is installed, static contact (10) and moving contact (9) are oppositely arranged, and breaker passes through handle (8) band dynamic/static contact (10) it is contacting and separating with moving contact (9) to be switched on and off circuit.
7. breaker according to claim 6, it is characterised in that:The tripping (43) includes the first end arms (431) and the Two end arms (432), the first end arms (431) are equipped with hasp with lock (42) hasp connection, the first end arms (431) towards lock (42) Groove (4311), lock (42) are equipped with the snap tab with hasp groove (4311) hasp connection towards the first end arms (431) (4211);The side of second end arms (432) towards second layer installation cavity (102) is projecting inward to be equipped with and bimetal leaf component (7) The side protrusion of the third end arms (433) that bimetal leaf (71) is engaged, third end arms (433) towards bimetal leaf (71) is set There are touching boss (4331), middle partition board (11) to be equipped with third end arms (433) and pass through the second fluting coordinated with bimetal leaf (71) (104), one end of bimetal leaf (71) is fixed, and other end side is towards touching boss (4331), when overload fault occurs for circuit When, bimetal leaf (71) fever deformation hits touching boss (4331) band pneumatic operating mechanism (4) dropout cut-out circuit;The tripping (43) middle part is connected with the flexible restoring organ (15) resetted for tripping (43) towards the other side;Second end arms (432) end is equipped with limit protrusion (4321) towards other side protrusion, and limit protrusion (4321) stretches to the one of moving contact (9) Side is located at the lower section of holder (44).
8. breaker according to claim 7, it is characterised in that:The flexible restoring organ (15) includes resetting-mechanism sheet Body (151), resetting-mechanism ontology (151) is located at the other side of holder (44) and the other side of holder (44) is arranged in parallel, and resets Mechanism body (151) is equipped with the pivot hole (1511) being pivotally connected with holder (44), and resetting-mechanism ontology (151) upwardly extend Equipped with resilient wing (152), the resilient wing (152) includes the rounded portions of the waveform wing (1521) and the waveform wing (1521) end (1522);The side protrusion of the resetting-mechanism ontology (151) towards tripping (43) is equipped with the first supporting lug (153), support The top protrusion of convex block (153) is equipped with rectangular mounting blocks (1531), and the tripping (43) is towards the one of resetting-mechanism ontology (151) Side is equipped with the second supporting lug (153), and the middle part of the second supporting lug (153), which is equipped with to install with rectangular mounting blocks (1531), to be coordinated Rectangular mounting groove (4341), the tops of rectangular mounting blocks (1531) is equipped with rivet (1532), the bottom of rectangular mounting groove (4341) Portion's recess is equipped with the riveted holes (4342) with rivet (1532) riveting cooperation, and tripping (43) and resetting-mechanism ontology (151) are simultaneously Holder (44) is pivotably attached to be linked.
9. breaker according to claim 3, it is characterised in that:The shell (1) is equipped with button in the side of leading-out terminal (3) Conjunction has additional shell (17), and additional shell (17) is equipped with neutral conductor end of incoming cables (172) for connecting to neutral and the neutral conductor goes out Line end (173), neutral conductor leading-out terminal (173) and leading-out terminal (3) are arranged side by side, and neutral conductor end of incoming cables (172) and end of incoming cables (2) are wrong Position setting.
10. breaker according to claim 1, it is characterised in that:The shell (1) includes middle partition board (11), middle partition board (11) inner space of breaker is divided into first layer installation cavity (101) and second layer installation cavity (102);Middle partition board (11) by The heat emission hole (1101) for arc-extinguishing mechanism (5) exhaust is equipped at nearly arc-extinguishing mechanism (5);The middle partition board (11) is equipped with and is used for The installation cavity (111) of arc-extinguishing mechanism (5) is installed, installation cavity (111) installs cavity towards arc-extinguishing mechanism (5) one end open (111) bottom end protrusion stretches in second layer installation cavity (102), and heat emission hole (1101) is set to the bottom of installation cavity (111) Portion one end.
CN201721429515.9U 2017-10-31 2017-10-31 Breaker Withdrawn - After Issue CN207651438U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721429515.9U CN207651438U (en) 2017-10-31 2017-10-31 Breaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721429515.9U CN207651438U (en) 2017-10-31 2017-10-31 Breaker

Publications (1)

Publication Number Publication Date
CN207651438U true CN207651438U (en) 2018-07-24

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721429515.9U Withdrawn - After Issue CN207651438U (en) 2017-10-31 2017-10-31 Breaker

Country Status (1)

Country Link
CN (1) CN207651438U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109727831A (en) * 2017-10-31 2019-05-07 浙江正泰电器股份有限公司 Breaker

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109727831A (en) * 2017-10-31 2019-05-07 浙江正泰电器股份有限公司 Breaker
CN109727831B (en) * 2017-10-31 2024-06-04 浙江正泰电器股份有限公司 Circuit breaker

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