CN205428852U - Operation mechanism of small breaker - Google Patents
Operation mechanism of small breaker Download PDFInfo
- Publication number
- CN205428852U CN205428852U CN201620033978.2U CN201620033978U CN205428852U CN 205428852 U CN205428852 U CN 205428852U CN 201620033978 U CN201620033978 U CN 201620033978U CN 205428852 U CN205428852 U CN 205428852U
- Authority
- CN
- China
- Prior art keywords
- contact
- lever
- excess
- support
- moving 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.)
- Active
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
- H01H71/50—Manual reset mechanisms which may be also used for manual release
- H01H71/52—Manual reset mechanisms which may be also used for manual release actuated by lever
- H01H71/526—Manual reset mechanisms which may be also used for manual release actuated by lever the lever forming a toggle linkage with a second lever, the free end of which is directly and releasably engageable with a contact structure
-
- 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
- H01H71/12—Automatic release mechanisms with or without manual release
- H01H71/40—Combined electrothermal and electromagnetic mechanisms
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
Operation mechanism of small breaker, including static contact, pivot install handle on the shell, with handle rotating joints's transmission linkage, with transmission linkage rotating joints's hasp and jump and buckles, include still that coaxial suit changes epaxial lever, contact support and moving contact in the mechanism, the moving contact is installed on the contact is supported, lies in between the support of lever and contact, excess of stroke torsional spring and lever connection are passed through in the contact support, the hasp with jump the other pivot of deduction of points and install on the lever to form chain cooperation each other, the handle pass through transmission linkage, hasp drive lever and rotate around mechanism's pivot, lever drive contact support drives the moving contact and winds the pivot coaxial rotation of mechanism, the lever can rotate make the moving contact and the static contact realization excess of stroke closed for the contact support around mechanism's pivot, excess of stroke torsional spring order about the contact support and put forward ammunition feed sexual contact power for excess of stroke closure, can effectively simplify parts machining technology, assembly process, improvement production efficiency and reduction manufacturing cost.
Description
Technical field
This utility model relates to Low Voltage Electrical Apparatus, is specifically related to the operating mechanism of low-voltage moulded case miniature circuit breaker, particularly a/D small circuit breaker.
Background technology
Miniature circuit breaker is a kind of conventional low-voltage electrical apparatus, and its operating mechanism is for driving the disjunction/Guan Bi of moving contact and static contact, and by this disjunction/Guan Bi, controls the combined floodgate of chopper, separating brake and tripping operation.The operating mechanism of existing miniature circuit breaker generally comprises three kinds, and the first operating mechanism includes a handle being connected with kinematic link, composition-individual toggle；The steady arm of one contact arm supports device (being called for short " contact support ") as moving contact, has one block of plate being installed in rotation on pivot；And a mechanical chain that can be disconnected by the action of trip(ping) bar, this chain be to be matched with a lock bolt in the mandrel being rotatably mounted on plate by trip(ping) bar stop catch to constitute, kinematic link is directly connected on lock bolt, this has assemblied a deceleration transmission level that tripping force can be made to reduce.Bimetal leaf is connected on trip(ping) bar by a pivot link with single-direction transmission.This operating mechanism disadvantageously, the described moving contact contact arm with movable contact is to stick with glue knot or weld together, complex procedures with steady arm, and firmness is unreliable.The moving contact of another kind of existing operating mechanism is fixed on contact by torsion spring and supports, but is not integrally fixed in the rotary shaft of mechanism, then results in contact and rotates brachium, and mechanism action speed is slow.The operating mechanism of the third similar existing miniature circuit breaker, its moving contact is fixed on contact by torsion spring and supports, moving contact and mechanism's concentric, moving contact processing technique is complicated, and consumptive material is many, and cost is high, and product cost is low.In a word, the operating mechanism of existing miniature circuit breaker, its moving contact generally uses the mode directly coupled with contact support, it is fixedly connected coupling generally use between moving contact with contact support, or having the resilient connection of excess of stroke function, thus cause the processing and assembling complexity of moving contact, manufacturing cost is high, the problems such as linking intensity is low, and speed of action is restricted.
Summary of the invention
The problems referred to above being prior art and existing to be solved in the utility model, it is provided that the operating mechanism of a kind of miniature circuit breaker, it is intended to improve the reliability of chopper, the safety of use and production efficiency further.
A kind of operating mechanism of miniature circuit breaker, including the static contact 13 being fixedly mounted in shell 1, the handle 2 being pivoted on shell 1, kinematic link 3 with handle 2 hinge-coupled, snap close 5 with kinematic link 3 hinge-coupled, and tripping 6, also include coaxial package lever 4 in mechanism's rotating shaft 9, moving contact 10 described in contact support 7 and moving contact 10 is arranged on contact and supports on 7, support between 7 at lever 4 and contact, contact support 7 is connected with lever 4 by excess of stroke torsion spring 16, described snap close 5 and tripping 6 are pivoted on lever 4 respectively, and mutually form interlocking fit；Described handle 2 is rotated around mechanism's rotating shaft 9 by kinematic link 3, snap close 5 activation lever 4, lever 4 drives contact support 7 and drives moving contact 10 to rotate coaxially around described mechanism's rotating shaft 9, lever 4 can make moving contact 10 and static contact 13 realize excess of stroke Guan Bi around mechanism's rotating shaft 9 relative to contact support 7 rotation, and described excess of stroke torsion spring 16 orders about contact and supports 7 for described excess of stroke Guan Bi offer elastic contact force.
Preferably, described contact support 7 is provided with coordinate for supporting fixing groove 71 and the described mechanism's rotating shaft 9 installing moving contact 10 to install the second pivot hole 73, for disposing the spring groove 72 of excess of stroke torsion spring 16；Fixing groove 71 and spring groove 72 lay respectively at contact and support that fixing groove 71 and spring groove 72 are run through in 7 both sides, the second pivot hole 73.
Preferably, being provided with fixing post 75 in described spring groove 72, the second pivot hole 73 runs through fixing groove 71 and fixing post 75；Excess of stroke torsion spring 16 is enclosed within fixing post 75 and is placed in spring groove 72, and one end of excess of stroke torsion spring 16 couples with the projection 74 in contact support 7, and the other end is connected with lever 4.
Preferably, be provided through lever 4 on described lever 4 installs, with mechanism rotating shaft 9, the first pivot hole 41 coordinated, it is provided with in the side of lever 4 and the tripping axle 43 that the snap close axle 42 coordinated coordinates with tripping 6 installation is installed with snap close 5, opposite side is provided with restriction contact and supports projection 45 and the limited post 47 of 7 rotational angles, snap close 5 and tripping 6 are arranged on the side of lever 4, and contact support 7 is arranged on the opposite side of lever 4.
Preferably, described tripping axle 43 and limited post 47 are correspondingly arranged at the both sides of lever 4, and the end of contact support 7 is arranged in the prominent part of the positive stop hook 76 coordinated with projection 45 side, and the opposite side at projection 45 is provided with the spring card slot 48 of clamping excess of stroke torsion spring 16 other end.
Preferably, described contact support 7 is provided with the fixing groove 71 for installing moving contact 10, is provided with in fixing groove 71, with mechanism rotating shaft 9, the second pivot hole 73 coordinated is installed；Described lever 4 is provided with the support column 46 corresponding with fixing groove 71, and support column 46 is provided with the first pivot hole 41 coordinated with mechanism rotating shaft 9；Described moving contact 10 one end is provided with the 3rd pivot hole 101 coordinated with mechanism rotating shaft, moving contact 10 one end is arranged in the fixing groove 71 that contact supports 7, moving contact 10 support is arranged on contact in being arranged on fixing groove 71 and supports that, between 7 and lever 4, mechanism's rotating shaft 9 sequentially passes through the first pivot hole 41 of lever 4, the 3rd pivot hole 101 of moving contact 10 and contact and supports second pivot hole 73 of 7 by the support column 46 of lever 4.
Preferably, described lever 4, contact support 7, moving contact 10, mechanism's rotating shaft 9 and excess of stroke torsion spring 16 constitute an assembly, and, first pivot hole 41 of the lever 4 of this assembly, the 3rd pivot hole 101 of moving contact 10, the second pivot hole 73 of contact support 7 and excess of stroke torsion spring 16 are sleeved in described mechanism's rotating shaft 9 successively, one end of described excess of stroke torsion spring 16 couples with lever 4, and the other end of excess of stroke torsion spring 16 couples with contact support 7 and realizes the fixing of inter-module.
Preferably, one end of described moving contact 10 is installation end 100, described installation end 100 is inlaid in the fixing groove 71 that contact supports 7, the other end of described moving contact 10 is provided with the movable contact 102 that can coordinate with static contact 13, the end of described installation end 100 is provided with and installs, with mechanism rotating shaft 9, the 3rd pivot hole 101 coordinated.
Preferably, also include energy-stored spring 8, the spring card slot 44 for coupling energy-stored spring 8 it is provided with on described lever 4, energy-stored spring 8 one end couples with the spring card slot 44 of lever 4, the other end of energy-stored spring 8 couples with shell 1, and described energy-stored spring 8 orders about the disjunction that lever 4 is moving contact 10 with static contact 13 and provides resilient urging force.
Preferably, also including electromagnetic tripping apparatus and thermal release device, electromagnetic tripping apparatus includes that the striker 15 coordinated and effect spring 14 are touched in the touch part 61 with tripping 6, and the elastic force of described effect spring 14 orders about described striker 15 and resets；Thermal release device includes the trip lever 11 pulling the thermometal element 12 coordinated with trip lever 11 and coupling with tripping 6.
The operating mechanism of miniature circuit breaker of the present utility model, eliminate between moving contact is supported with contact and weld or hot riveting technique, by using lever 4, contact support 7, moving contact 10 and excess of stroke torsion spring 16 to be set in the structure in mechanism's rotating shaft 9 and the excess of stroke closing structure being consequently formed, driving-chain structure and modular construction, can effectively simplify parts machining process, assembly technology, raising production efficiency and reduce manufacturing cost.And, by being coaxially disposed of the center of rotation of lever 4, contact support 7 and moving contact 10, moreover it is possible to improve product speed of action, improve the reliability and stability of Guan Bi contact performance and quick interrupting performance.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail, can be seen more clearly from advantage of the present utility model and feature, in accompanying drawing from the description of accompanying drawing illustrated embodiment:
Fig. 1 is the integrally-built floor map of operating mechanism of miniature circuit breaker of the present utility model, is in stable disjunction state for moving contact 10 and static contact 13 shown in Fig. 1.
Fig. 2 is the integrally-built floor map of operating mechanism of miniature circuit breaker of the present utility model, is in stable closure state for moving contact 10 and static contact 13 shown in Fig. 2.
Fig. 3 is the schematic perspective view of the assembly being made up of lever 4, contact support 7, moving contact 10 and mechanism's rotating shaft 9 in the operating mechanism shown in Fig. 1.
Fig. 4 is the dorsal view schematic perspective view of Fig. 3.
Fig. 5 is the schematic perspective view of the lever 4 in the operating mechanism shown in Fig. 1.
Fig. 6 is the dorsal view schematic perspective view of Fig. 5.
Fig. 7 is the schematic perspective view that the contact in the operating mechanism shown in Fig. 1 supports 7.
Fig. 8 is the dorsal view schematic perspective view of Fig. 7.
Fig. 9 is the schematic perspective view of the moving contact 10 in the operating mechanism shown in Fig. 1.
Detailed description of the invention
The embodiment be given below in conjunction with accompanying drawing 1 to 9, further illustrates the detailed description of the invention of the operating mechanism of miniature circuit breaker of the present utility model.The operating mechanism of miniature circuit breaker of the present utility model is not limited to the following description.
As shown in Figure 1-2, the operating mechanism of a kind of miniature circuit breaker of the present utility model, including the static contact 13 being fixedly mounted in shell 1, the handle 2 being pivoted on shell 1 and the kinematic link 3 of handle 2 hinge-coupled and the snap close 5 of kinematic link 3 hinge-coupled and tripping 6.Shell 1, handle 2, kinematic link 3, the structure of static contact 13 are known, and snap close 5, tripping 6 are the components that double leval jib operating mechanism the most all has, one end of kinematic link 3 and handle 2 hinge-coupled, the other end of kinematic link 3 and snap close 5 hinge-coupled.A useful feature of the present utility model is, also include coaxial package lever 4 in mechanism's rotating shaft 9, contact support 7 and moving contact 10, described moving contact 10 is arranged on contact and supports on 7, support between 7 at lever 4 and contact, contact support 7 is connected with lever 4 by excess of stroke torsion spring 16, described snap close 5 and tripping 6 are pivoted on lever 4 respectively, and mutually form interlocking fit；Described handle 2 is rotated around mechanism's rotating shaft 9 by kinematic link 3, snap close 5 activation lever 4, lever 4 drives contact support 7 and drives moving contact 10 to rotate coaxially around described mechanism's rotating shaft 9, lever 4 can make moving contact 10 and static contact 13 realize excess of stroke Guan Bi around mechanism's rotating shaft 9 relative to contact support 7 rotation, and described excess of stroke torsion spring 16 orders about contact and supports 7 for described excess of stroke Guan Bi offer elastic contact force.The operating mechanism of miniature circuit breaker of the present utility model, eliminate between moving contact is supported with contact and weld or hot riveting technique, by using lever 4, contact support 7, moving contact 10 and excess of stroke torsion spring 16 to be set in the structure in mechanism's rotating shaft 9 and the excess of stroke closing structure being consequently formed, driving-chain structure and modular construction, can effectively simplify parts machining process, assembly technology, raising production efficiency and reduce manufacturing cost.And, by being coaxially disposed of the center of rotation of lever 4, contact support 7 and moving contact 10, moreover it is possible to improve product speed of action, improve the reliability and stability of Guan Bi contact performance and quick interrupting performance.
" excess of stroke Guan Bi " described in the utility model refers to drive contact support 7 at lever 4 and drive moving contact 10 during static contact 13 closes, after moving contact 10 contacts with static contact 13, lever 4 continues to rotate an angle to closing direction, this angle is referred to as lever 4 and supports the excess of stroke angle of 7 relative to contact, in the slewing area at excess of stroke angle, lever 4 need to overcome the elastic force of excess of stroke torsion spring 16, so that the Guan Bi contact force between moving contact 10 and static contact 13 is elastic contact force, and this elastic contact force is to be acted on contact by excess of stroke torsion spring 16 to support that the elastic force of 7 provides.As can be seen here, the excess of stroke of the present utility model Guan Bi has following architectural feature: described excess of stroke Guan Bi includes that lever 4 supports the excess of stroke angle of 7 rotations relative to contact, and excess of stroke torsion spring 16 acts on the elastic force ordering about moving contact 10 and static contact 13 Guan Bi in contact support 7.The driving-chain that excess of stroke closing structure of the present utility model uses includes: described lever 4 couples with one end of excess of stroke torsion spring 16, with contact, the other end of excess of stroke torsion spring 16 supports that 7 couple, contact support 7 couples with moving contact 10, with in described excess of stroke closing course, lever 4 drives one end of excess of stroke torsion spring 16, the other end of excess of stroke torsion spring 16 drives contact to support 7, and contact support 7 is ordered about moving contact 10 and closed with static contact 13.Obviously, having the beneficial effects that of above-mentioned structure design: owing to using lever 4, contact support 7, moving contact 10 and excess of stroke torsion spring 16 to be set in the structure in mechanism's rotating shaft 9, so that the processing technique of lever 4, contact support 7, moving contact 10 is simple and consumptive material is few, lever 4, contact support 7, moving contact 10, excess of stroke torsion spring 16 can be assembled into the loosest integrated package with mechanism's rotating shaft 9, not only assembly is very convenient simple and direct, but also be conducive to simplifying the assembly technology of operating mechanism, it is thus possible to it be effectively improved production efficiency, reduce manufacturing cost.It is metastable for being additionally, since excess of stroke angle, and the size of the elastic contact force between the moving contact 10 and the static contact 13 that are therefore provided by excess of stroke torsion spring 16 is also stable, it is thus possible to the Guan Bi contact performance being effectively improved between moving contact 10 and static contact 13.
Another useful feature of the present utility model is the concrete structure about lever 4 and the improvement of dependency structure thereof, it can have a numerous embodiments, a kind of preferably mode as shown in Figures 3 to 6: be provided with on described lever 4 and with mechanism rotating shaft 9, the first pivot hole 41 coordinated be installed the tripping axle 43 that the snap close axle 42 coordinated coordinates with tripping 6 installation is installed with snap close 5.Pivot hole (not shown) on snap close 5 is sleeved on snap close axle 42, so that snap close 5 is pivoted on lever 4；Pivot hole (not shown) in tripping 6 is sleeved on tripping axle 43, so that tripping 6 is pivoted on lever 4.Snap close tooth 50 (see Fig. 1) it is provided with on snap close 5, tripping tooth 60 (see Fig. 1) it is provided with in tripping 6, snap close 5 and tripping 6 are pivoted on lever 4 respectively, interlocking fit can be mutually formed, that is: when snap close 5 and tripping 6 are in the locked position, tripping tooth 60 engages with snap close tooth 50, so that snap close 5 can not rotate around snap close axle 42；When tripping 6 turns to unlocked position around tripping axle 43, tripping tooth 60 separates with snap close tooth 50, so that snap close 5 can be freely rotatable around snap close axle 42.Obviously, by this interlocking fit realize to the separating brake of operating mechanism, close a floodgate, control of tripping, that is: when normal separating brake, combined floodgate and in operating process, tripping tooth 60 engages with snap close tooth 50, so that operating mechanism can perform normal separating brake, combined floodgate, and make operating mechanism can be maintained at the steady statue of separating brake, combined floodgate；When the touch part 61 of tripping 6 is touched by the striker 15 of electromagnetic tripping apparatus, or when tripping 6 is pulled by the trip lever 11 of thermal release device, tripping 6 is caused to rotate around tripping axle 43, when tripping 6 turns to unlocked position, snap close 5 just can be freely rotatable, and this rotation makes operating mechanism trip under the elastic force effect of energy-stored spring 8.Concrete, this utility model lever 4 realizes supporting 7 preferred embodiments installed with snap close 5, tripping 6 and contact, be provided through lever 4 on described lever 4 installs, with mechanism rotating shaft 9, the first pivot hole 41 coordinated, it is provided with in the side of lever 4 and the tripping axle 43 that the snap close axle 42 coordinated coordinates with tripping 6 installation is installed with snap close 5, opposite side is provided with restriction contact and supports projection 45 and the limited post 47 of 7 rotational angles, snap close 5 and tripping 6 are arranged on the side of lever 4, and contact support 7 is arranged on the opposite side of lever 4.Described tripping axle 43 and limited post 47 are correspondingly arranged at the both sides of lever 4, and the end of contact support 7 is arranged in the prominent part of the positive stop hook 76 coordinated with projection 45 side, and the opposite side at projection 45 is provided with the spring card slot 48 of clamping excess of stroke torsion spring 16 other end.
Another useful feature of the present utility model is the concrete structure about contact support 7 and the improvement of dependency structure thereof, it can have a numerous embodiments, a kind of preferably mode as shown in Figures 3 to 8: be provided with in described contact support 7 coordinate for supporting the fixing groove 71 installing moving contact 10 to install with described mechanism's rotating shaft 9 the second pivot hole 73, for disposing the spring groove 72 of excess of stroke torsion spring 16；Fixing groove 71 and spring groove 72 lay respectively at contact and support that fixing groove 71 and spring groove 72 are run through in 7 both sides, the second pivot hole 73.Being provided with fixing post 75 in described spring groove 72, the second pivot hole 73 runs through fixing groove 71 and fixing post 75；Excess of stroke torsion spring 16 is enclosed within fixing post 75 and is placed in spring groove 72, and one end of excess of stroke torsion spring 16 couples with the projection 74 in contact support 7, and the other end is connected with lever 4.nullAbove-mentioned " support and install " refers to that moving contact 10 is arranged in fixing groove 71 in the way of support，This support belongs to transmission and coordinates (i.e. making contact support 7 that moving contact 10 can be driven to rotate around mechanism's rotating shaft 9 by this support)，And be not fixedly connected，Because as previously mentioned，The connection of moving contact 10 also includes that it couples with the suit of mechanism rotating shaft 9，Moving contact 10 couples with the suit of mechanism rotating shaft 9 and coordinates with the transmission of fixing groove 71 and do not affects moving contact 10 and participate in by lever 4 as an independent part、Contact supports 7、The assembling of the assembly that excess of stroke torsion spring 16 and mechanism's rotating shaft 9 are constituted，In other words，Moving contact 10 has assembly relation (such as setting-in relation) simultaneously with contact support 7 and mechanism's rotating shaft 9，But this assembly relation does not the most have, with contact support 7 and mechanism's rotating shaft 9, the relation of being fixedly connected.Obviously, this structure have the beneficial effects that parts machining process is simple, low cost of manufacture, assembly easy to assembly quick, production efficiency is high.Spring groove 72 is used for disposing excess of stroke torsion spring 16 to refer to: the function of spring groove 72 is for accommodating and/or installing excess of stroke torsion spring 16；When spring groove 72 only has receiving function, spring groove 72 can be not provided with the location structure to excess of stroke torsion spring 16, because by the sleeve structure of excess of stroke torsion spring 16 with mechanism's rotating shaft 9, can realize the radial direction location of excess of stroke torsion spring 16；When spring groove 72 has installation function, spring groove 72 can arrange the location structure to excess of stroke torsion spring 16, as limited the structure radially and/or axially moved of excess of stroke torsion spring 16.Seeing Fig. 9, one end of described moving contact 10 is installation end 100, and its other end is provided with movable contact 102, and the end of installation end 100 is provided with installs, with mechanism rotating shaft 9, the 3rd pivot hole 101 coordinated；Installation end 100 is inlaid in the fixing groove 71 that contact supports 7, and movable contact 102 coordinates with static contact 13 disjunction/Guan Bi.After the first pivot hole 41 of lever 4, the second pivot hole 73 of contact support 7, the 3rd pivot hole 101 of moving contact 10, excess of stroke torsion spring 16 are sleeved in mechanism's rotating shaft 9 successively, one end of excess of stroke torsion spring 16 couples with the projection 45 on lever 4, the other end of excess of stroke torsion spring 16 couples with the projection 74 in contact support 7, thus constitutes assembly as shown in Figure 3 and Figure 4.
The structure of 7 is supported based on lever 4 and contact, another useful feature of the present utility model is the assembling structure that lever 4, moving contact 10 and contact support 7, and particularly lever 4, contact supports 7, moving contact 10, mechanism's rotating shaft 9 and an assembly of excess of stroke torsion spring 16 composition.Concrete, described contact support 7 is provided with the fixing groove 71 for installing moving contact 10, is provided with in fixing groove 71, with mechanism rotating shaft 9, the second pivot hole 73 coordinated is installed；Described lever 4 is provided with the support column 46 corresponding with fixing groove 71, and support column 46 is provided with the first pivot hole 41 coordinated with mechanism rotating shaft 9；Described moving contact 10 one end is provided with the 3rd pivot hole 101 coordinated with mechanism rotating shaft, moving contact 10 one end is arranged in the fixing groove 71 that contact supports 7, moving contact 10 support is arranged on contact in being arranged on fixing groove 71 and supports that, between 7 and lever 4, mechanism's rotating shaft 9 sequentially passes through the first pivot hole 41 of lever 4, the 3rd pivot hole 101 of moving contact 10 and contact and supports second pivot hole 73 of 7 by the support column 46 of lever 4.Described lever 4, contact support 7, moving contact 10, mechanism's rotating shaft 9 and excess of stroke torsion spring 16 constitute an assembly, and, first pivot hole 41 of the lever 4 of this assembly, the 3rd pivot hole 101 of moving contact 10, the second pivot hole 73 of contact support 7 and excess of stroke torsion spring 16 are sleeved in described mechanism's rotating shaft 9 successively, mechanism's rotating shaft 9 can use steel axle, one end of described excess of stroke torsion spring 16 couples with lever 4, and the other end of excess of stroke torsion spring 16 couples with contact support 7 and realizes the fixing of inter-module.
As shown in Fig. 1,2,6, the operating mechanism of miniature circuit breaker also includes the energy-stored spring 8 providing resilient urging force for ordering about the disjunction that lever 4 is moving contact 10 with static contact 13, described energy-stored spring 8 is stage clip, the spring card slot 44 for coupling energy-stored spring 8 it is additionally provided with on described lever 4, energy-stored spring 8 one end couples with the spring card slot 44 of lever 4, the other end of energy-stored spring 8 couples with shell 1, and described energy-stored spring 8 orders about the disjunction that lever 4 is moving contact 10 with static contact 13 and provides resilient urging force.That is: energy-stored spring 8 activation lever 4 rotation, cause lever 4 band moving contact support 7 and moving contact 10 move to disjunction direction, in other words, be no matter tripping operation or separating brake, moving contact 10 is all to be provided by the elastic force of energy-stored spring 8 with the disjunction driving force of static contact 13.The advantage of this frame mode is, can ensure that the quick disjunction of moving contact 10 and static contact 13.
The operating mechanism of miniature circuit breaker of the present utility model may also include electromagnetic tripping apparatus (not shown), and it is threaded off for short circuit and protects.Electromagnetic tripping apparatus includes striker 15 and effect spring 14；Striker 15 touches with the touch part 61 of tripping 6 and coordinates, and the elastic force of effect spring 14 orders about striker 15 and resets.The operating mechanism of miniature circuit breaker of the present utility model may also include thermal release device, and it is protected for overlond trip.Thermal release device includes thermometal element 12 and trip lever 11；Trip lever 11 couples with tripping 6, and thermometal element 12 pulls with trip lever 11 and coordinates.
Above content is to combine concrete preferred implementation further detailed description of the utility model, it is impossible to assert that of the present utility model being embodied as is confined to these explanations.For this utility model person of an ordinary skill in the technical field, without departing from the concept of the premise utility, it is also possible to make some simple deduction or replace, all should be considered as belonging to protection domain of the present utility model.
Claims (10)
1. the operating mechanism of a miniature circuit breaker, including the static contact (13) being fixedly mounted in shell (1), the handle (2) being pivoted on shell (1) and the kinematic link (3) of handle (2) hinge-coupled and the snap close (5) of kinematic link (3) hinge-coupled and tripping (6), it is characterised in that:
Also include coaxial package lever (4) in mechanism's rotating shaft (9), contact support (7) and moving contact (10), described moving contact (10) is arranged in contact support (7), it is positioned between lever (4) and contact support (7), contact supports that (7) are connected with lever (4) by excess of stroke torsion spring (16), described snap close (5) and tripping (6) are pivoted on lever (4) respectively, and mutually form interlocking fit；
Described handle (2) is rotated around mechanism's rotating shaft (9) by kinematic link (3), snap close (5) activation lever (4), lever (4) drives contact support (7) and drives moving contact (10) to rotate coaxially around described mechanism's rotating shaft (9), lever (4) can make moving contact (10) and static contact (13) realize excess of stroke Guan Bi around mechanism's rotating shaft (9) relative to contact support (7) rotation, and described excess of stroke torsion spring (16) orders about contact support (7) and provides elastic contact force for described excess of stroke Guan Bi.
The operating mechanism of miniature circuit breaker the most according to claim 1, it is characterised in that: it is provided with in described contact support (7) for supporting the second pivot hole (73) that the fixing groove (71) installing moving contact (10) coordinates, the spring groove (72) being used for disposing excess of stroke torsion spring (16) with described mechanism's rotating shaft (9) installation；Fixing groove (71) and spring groove (72) lay respectively at contact support (7) both sides, and the second pivot hole (73) runs through fixing groove (71) and spring groove (72).
The operating mechanism of miniature circuit breaker the most according to claim 2, it is characterized in that: be provided with fixing post (75) in described spring groove (72), the second pivot hole (73) runs through fixing groove (71) and fixing post (75)；Excess of stroke torsion spring (16) is enclosed within fixing post (75) and above and is placed in spring groove (72), one end of excess of stroke torsion spring (16) couples with the projection (74) in contact support (7), and the other end is connected with lever (4).
The operating mechanism of miniature circuit breaker the most according to claim 1, it is characterized in that: be provided through lever (4) on described lever (4) installs, with mechanism's rotating shaft (9), the first pivot hole (41) coordinated, it is provided with in the side of lever (4), with snap close (5), the snap close axle (42) coordinated is installed, with tripping (6), the tripping axle (43) coordinated is installed, opposite side is provided with projection (45) and the limited post (47) limiting contact support (7) rotational angle, snap close (5) and tripping (6) are arranged on the side of lever (4), contact supports that (7) are arranged on the opposite side of lever (4).
The operating mechanism of miniature circuit breaker the most according to claim 4, it is characterized in that: described tripping axle (43) and limited post (47) are correspondingly arranged at the both sides of lever (4), contact supports that the end of (7) is arranged in the prominent part of the positive stop hook (76) coordinated with projection (45) side, and the opposite side at projection (45) is provided with the spring card slot (48) of clamping excess of stroke torsion spring (16) other end.
The operating mechanism of miniature circuit breaker the most according to claim 1, it is characterized in that: on described contact support (7), be provided with the fixing groove (71) for installing moving contact (10), be provided with in fixing groove (71), with mechanism's rotating shaft (9), the second pivot hole (73) coordinated be installed；Described lever (4) is provided with the support column (46) corresponding with fixing groove (71), and support column (46) is provided with the first pivot hole (41) coordinated with mechanism's rotating shaft (9)；Described moving contact (10) one end is provided with the 3rd pivot hole (101) coordinated with mechanism rotating shaft, moving contact (10) one end is arranged in the fixing groove (71) of contact support (7), moving contact (10) support is arranged between contact support (7) and lever (4) in being arranged on fixing groove (71) by the support column (46) of lever (4), mechanism's rotating shaft (9) sequentially passes through first pivot hole (41) of lever (4), 3rd pivot hole (101) of moving contact (10) and second pivot hole (73) of contact support (7).
7. according to the operating mechanism of the arbitrary described miniature circuit breaker of claim 1-6, it is characterized in that: described lever (4), contact supports (7), moving contact (10), mechanism's rotating shaft (9) and excess of stroke torsion spring (16) constitute an assembly, and, first pivot hole (41) of the lever (4) of this assembly, 3rd pivot hole (101) of moving contact (10), contact supports second pivot hole (73) of (7), and excess of stroke torsion spring (16) is sleeved in described mechanism's rotating shaft (9) successively, one end of described excess of stroke torsion spring (16) couples with lever (4), the other end of excess of stroke torsion spring (16) couples with contact support (7) and realizes the fixing of inter-module.
The operating mechanism of miniature circuit breaker the most according to claim 1, it is characterized in that: one end of described moving contact (10) is installation end (100), described installation end (100) is inlaid in the fixing groove (71) of contact support (7), the other end of described moving contact (10) is provided with the movable contact (102) that can coordinate with static contact (13), the end of described installation end (100) is provided with and installs, with mechanism's rotating shaft (9), the 3rd pivot hole (101) coordinated.
The operating mechanism of miniature circuit breaker the most according to claim 1, it is characterized in that: also include energy-stored spring (8), the spring card slot (44) for coupling energy-stored spring (8) it is provided with on described lever (4), energy-stored spring (8) one end couples with the spring card slot (44) of lever (4), the other end of energy-stored spring (8) couples with shell (1), and described energy-stored spring (8) orders about the disjunction offer resilient urging force that lever (4) is moving contact (10) and static contact (13).
The operating mechanism of miniature circuit breaker the most according to claim 1, it is characterized in that: also include electromagnetic tripping apparatus and thermal release device, electromagnetic tripping apparatus includes that the striker (15) coordinated and effect spring (14) are touched in the touch part (61) with tripping (6), and the elastic force of described effect spring (14) orders about described striker (15) and resets；Thermal release device includes the trip lever (11) pulling the thermometal element (12) coordinated with trip lever (11) and coupling with tripping (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620033978.2U CN205428852U (en) | 2016-01-14 | 2016-01-14 | Operation mechanism of small breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620033978.2U CN205428852U (en) | 2016-01-14 | 2016-01-14 | Operation mechanism of small breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205428852U true CN205428852U (en) | 2016-08-03 |
Family
ID=56539256
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620033978.2U Active CN205428852U (en) | 2016-01-14 | 2016-01-14 | Operation mechanism of small breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205428852U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108461362A (en) * | 2017-02-22 | 2018-08-28 | 浙江正泰电器股份有限公司 | Breaker and its assembly method |
| CN108711540A (en) * | 2018-07-05 | 2018-10-26 | 杭州本松新材料技术股份有限公司 | Lever part, bottom cover, transmission mechanism and the breaker of low-pressure type breaker |
| CN109326492A (en) * | 2018-11-16 | 2019-02-12 | 加西亚电子电器股份有限公司 | A kind of operating mechanism of double-contact breaker |
| CN113826182A (en) * | 2019-05-20 | 2021-12-21 | 三菱电机株式会社 | Release type electromagnetic trip device |
-
2016
- 2016-01-14 CN CN201620033978.2U patent/CN205428852U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108461362A (en) * | 2017-02-22 | 2018-08-28 | 浙江正泰电器股份有限公司 | Breaker and its assembly method |
| CN108461362B (en) * | 2017-02-22 | 2020-06-30 | 浙江正泰电器股份有限公司 | Method for assembling circuit breaker |
| CN108711540A (en) * | 2018-07-05 | 2018-10-26 | 杭州本松新材料技术股份有限公司 | Lever part, bottom cover, transmission mechanism and the breaker of low-pressure type breaker |
| CN108711540B (en) * | 2018-07-05 | 2024-04-16 | 杭州本松新材料技术股份有限公司 | Lever component, bottom cover, transmission mechanism and circuit breaker of low-voltage circuit breaker |
| CN109326492A (en) * | 2018-11-16 | 2019-02-12 | 加西亚电子电器股份有限公司 | A kind of operating mechanism of double-contact breaker |
| CN109326492B (en) * | 2018-11-16 | 2024-02-13 | 加西亚电子电器股份有限公司 | Operating mechanism of double-contact breaker |
| CN113826182A (en) * | 2019-05-20 | 2021-12-21 | 三菱电机株式会社 | Release type electromagnetic trip device |
| CN113826182B (en) * | 2019-05-20 | 2023-12-05 | 三菱电机株式会社 | Release type electromagnetic trip device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205428852U (en) | Operation mechanism of small breaker | |
| EP3404691B1 (en) | Operation mechanism for miniature circuit breaker | |
| CN101106046B (en) | An operation machine for small residual current action breaker | |
| CN102426999B (en) | Operating mechanism of modularized breaker | |
| WO2012051743A1 (en) | Action output device for micro breaker | |
| WO2022028139A1 (en) | Mechanism assembly of pluggable circuit breaker | |
| US20170256372A1 (en) | Operating mechanism of circuit breaker | |
| CN207558725U (en) | A kind of operating mechanism of miniature circuit breaker | |
| CN209357690U (en) | A kind of small type circuit breaker operating mechanism and miniature circuit breaker | |
| CN101335163A (en) | Operating mechanism of automatically jumping small circuit breaker | |
| CN109659206A (en) | A kind of small type circuit breaker operating mechanism and miniature circuit breaker | |
| CN102436983B (en) | Auxiliary release device of low-voltage breaker | |
| CN202196721U (en) | Operation mechanism of modulization breaker | |
| CN100397540C (en) | Operation mechanism of small circuit breaker | |
| CN207052549U (en) | A kind of operating unit of RCCB | |
| CN205487987U (en) | Operation mechanism of small breaker | |
| CN217444318U (en) | Operating mechanism and circuit breaker | |
| CN103325632B (en) | A kind of can the circuit breaker manipulation mechanism of rapid-releasing | |
| CN216624153U (en) | Quick tripping device of circuit breaker and circuit breaker | |
| CN205984675U (en) | Ground connection sword hand movement (HM) divide -shut brake operating mechanism and use circuit breaker of this operating mechanism | |
| CN201238019Y (en) | Free-tripping actuating mechanism of miniature circuit breaker | |
| CN106971921A (en) | Breaker | |
| CN205789805U (en) | Chopper | |
| CN208460689U (en) | The operating mechanism of miniature circuit breaker | |
| CN101335162A (en) | Fast closing mechanism of small circuit breaker |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |