CN209607688U - Motor-operating mechanism for breaker and the breaker using it - Google Patents

Abstract

The utility model provides a kind of motor-operating mechanism for breaker and the breaker using it.Motor-operating mechanism includes bracket, circuit board assemblies, motor, reduction gear component, cam pack, slide block assembly and microswitch.Slide block assembly is slidably disposed on bracket, slide block assembly includes outer baffle block, internal stop and driving lever positioning region, the first interval that there is in the glide direction of slide block assembly the pushing block for cam pack to walk between outer baffle block and internal stop, outer baffle block has the medial surface towards the first interval, internal stop has the lateral surface towards the first interval, pushing block is sequentially resisted against the medial surface of outer baffle block and the lateral surface of internal stop when cam pack rotates, driving lever positioning region is set to the position that breaker pull rod is corresponded on slide block assembly, driving lever positioning region is arranged with driving lever to be connect to drive driving lever to rotate.The installation height of motor-operating mechanism can be reduced by the utility model, reduces components and assembly man-hour, substantially effectively utilize space.

Description

Motor-operating mechanism for breaker and the breaker using it

Technical field

The utility model relates to electric switch fields, more particularly to a kind of motor-operating mechanism for breaker and answer With the breaker of the motor-operating mechanism.

Background technique

Breaker be it is a kind of can turn on, carry and disjunction normal circuit under the conditions of electric current, also can it is defined it is non-just It is connected under normal circuit condition, the mechanical switching device of carrying certain time and breaking current.Breaker has advanced structure, performance Reliably, the features such as strong breaking capacity, being mainly used for exchange 50HZ or 60HZ, voltage rating 400V or less, rated operational current is The place below 1200A can both make the mistake of the illumination of office building, house, factory and similar building, distribution line and equipment It carries and short-circuit protection is used, can also be used as route, infrequently on-off line operation is used with conversion.Breaker is generally by operating mechanism, touching Point, protective device (such as various buckle releasers), arc quenching system composition.Common breaker be when cut-offfing circuit with machinery method The moving contact of miniature circuit breaker and fixed contact separate, and while closing a floodgate then makes moving contact and fixed contact with opposite mechanical movement Closure.

Breaker generally leans on manual operation or electric switch-on.Motor-operating mechanism is a kind of for remote auto separating brake and conjunction The circuit breaker accessory of lock should ensure that breaker reliably opens and closes when being operated with motor drive mechanism.It is electronic in currently available technology Operating mechanism exists following insufficient:

1, the overall space height of motor-operating mechanism is higher, is unfavorable for being mounted on inside relatively thin complete electric power equipment cabinet；

2, there are many part of motor-operating mechanism, and assembly is cumbersome, cause assembly man-hour higher；

3, the layout of each element is unreasonable in motor-operating mechanism, is unfavorable for the further integrated of intelligent circuit breaker.

Utility model content

In view of the above technical problems, the utility model provides a kind of electricity for breaker structurally reasonable, performance is stable The breaker of pneumatic operating mechanism and the application motor-operating mechanism.

A kind of motor-operating mechanism for breaker of the utility model, breaker is comprising shell and to control separating brake And the driving lever to close a floodgate, driving lever are set in shell and protrude from the front of shell, motor-operating mechanism includes bracket, circuit board group Part, motor, reduction gear component, cam pack, slide block assembly and microswitch.Support fastening is installed on the front of shell, branch Frame has successively adjacent first side, second side, third side and four side.Circuit board assemblies are fixedly installed in bracket Above and adjacent to second side.Motor is sleeping on bracket and adjacent to first side, and motor is by circuit board assemblies driving and electricity The output end of machine has worm screw.Reduction gear component is neighbouring to be set to four side, and reduction gear component includes worm gear, pinion gear And gear wheel, worm gear are connect with worm- gear drive, pinion gear is connect with worm gear coaxial transmission, and gear wheel and pinion gear gear pass Dynamic connection.Cam pack is connect with gear wheel coaxial transmission, cam pack include with gear wheel rotate synchronously the first cam part, Second cam part and pushing block, the base radius of the first cam part are greater than the base radius of the second cam part, the first cam part tool There are two vertex angle part and the first surface back to gear wheel, two vertex angle parts are located at the first cam part and the second cam part Boundary, pushing block are fixedly installed on the first surface of the first cam part.Slide block assembly is slidably disposed on bracket, sliding Block assembly includes outer baffle block, internal stop and driving lever positioning region, and outer baffle block and internal stop are set on slide block assembly neighbouring 4th side The one end on side has the first interval walked for pushing block in the glide direction of slide block assembly between outer baffle block and internal stop, Outer baffle block has the medial surface towards the first interval, and internal stop has the lateral surface towards the first interval, and pushing block is in cam set Part is sequentially resisted against the medial surface of outer baffle block and the lateral surface of internal stop when rotating, and driving lever positioning region is set to right on slide block assembly The position of driving lever is answered, driving lever positioning region is arranged with driving lever to be connect to drive driving lever to rotate.Microswitch is neighbouring to be set to third side Side, microswitch by circuit board assemblies when being triggered by one of two vertex angle parts of the first cam part to motor transmission to be stopped Turn control signal.Wherein, motor drives cam pack by reduction gear component when breaker enters gate-dividing state by closing a floodgate Rotation, the medial surface with the pushing block pushing and pressing outer baffle block of cam pack rotation slide slide block assembly, mobile with slide block assembly Driving lever positioning region drives driving lever that breaker is made to enter gate-dividing state, and one of two vertex angle parts of the first cam part breaker into Microswitch is triggered when entering gate-dividing state to control motor stalling；Motor is when breaker enters "on" position by separating brake by subtracting Fast gear assembly drives cam pack to continue to rotate in the same direction, passes through the first interval simultaneously with the pushing block of cam pack rotation The lateral surface of pushing and pressing internal stop slides slide block assembly in opposite direction, with the mobile driving lever positioning region of slide block assembly along Xiang Fanfang Breaker is set to enter "on" position to drive driving lever, and the another of two vertex angle parts of the first cam part enters combined floodgate in breaker Microswitch is triggered when state to control motor stalling.

Preferably, the extending direction of first side and second side is mutually perpendicular to, the extension of second side and four side Direction is parallel to each other, and the corresponding middle part for being installed on bracket of slide block assembly, the glide direction of slide block assembly is perpendicular to second side Extending direction.

Preferably, driving lever positioning region is the through-hole on slide block assembly, driving lever is arranged in the through-hole.

Preferably, motor is 220 volts of direct current generators, the shaft extending direction of worm screw is parallel to the extension side of first side To.

Preferably, motor-operating mechanism described in the utility model further include: to indicate the finger of breaker current state Needle assemblies, indicating hand component are set on bracket and adjacent to third sides, and indicating hand component includes instruction disk and can opposite instruction disk The rotating the needle of rotation, instruction disk are fixedly installed in bracket.Further, slide block assembly further includes rotating the needle positioning region, rotating the needle positioning region It is set to the other end on slide block assembly far from four side, the free end of rotating the needle positioning region and rotating the needle passes through locating shaft transmission company It connects, rotating the needle positioning region drives rotating the needle rotation when slide block assembly slides.

Preferably, motor-operating mechanism described in the utility model further include: to manually control the button group of divide-shut brake Part, button assembly are set on bracket and adjacent to third sides.Further, motor-operating mechanism described in the utility model Further include: to lock the mechanical lock of the button assembly, mechanical lock is installed on bracket and adjacent to button assembly, mechanical lock Stop portion is operably connected to button assembly.

Preferably, motor-operating mechanism described in the utility model further includes that element installs space additional, element installs space bit additional It is surrounded in the top of driving lever positioning region, and by motor, circuit board assemblies, third side and reduction gear component.

A kind of breaker provided by the utility model, the electric operating comprising being used for breaker described in any one as above Mechanism.

When breaker is connected to control instruction and need to enter gate-dividing state by closing a floodgate, circuit board assemblies control electric motor starting, The rotation of motor control worm screw, worm screw drives the worm gear rotation ratcheting with it, rotates synchronously with the coaxially connected pinion gear of worm gear, small Gear drives the bull gear drive ratcheting with it, rotates synchronously with the coaxially connected cam pack of gear wheel, turns with cam pack The medial surface of dynamic pushing block pushing and pressing outer baffle block slides slide block assembly, drives driving lever with the mobile driving lever positioning region of slide block assembly Breaker is set to enter gate-dividing state, and one of two vertex angle parts of the first cam part triggering microswitch is closed at this time to control motor Stop；When breaker is connected to control instruction and need to enter "on" position by separating brake, circuit board assemblies control electric motor starting again, electricity Machine control worm screw continues to rotate in the same direction, and worm screw drives the worm gear ratcheting with it to continue to rotate in the same direction, with worm gear Coaxially connected pinion gear rotates synchronously, and pinion gear drives the bull gear drive ratcheting with it, with coaxially connected convex of gear wheel Wheel assembly continues to rotate synchronously in the same direction, passes through the first interval with the pushing block of cam pack rotation and pushes against internal stop Lateral surface slides slide block assembly in opposite direction, drives driving lever to make in opposite direction with the mobile driving lever positioning region of slide block assembly Breaker enters "on" position, and at this time another triggering microswitch of two vertex angle parts of the first cam part to control motor again It is secondary to shut down.

Compared with prior art, the utility model for breaker motor-operating mechanism and apply the electric operating machine The breaker of structure has the advantages that

1, by whole rational structure, the installation height of motor-operating mechanism can be greatly reduced, and zero can be greatly decreased Component reduces assembly man-hour；

2, by the structure design and component placement of the utility model, space can be substantially effectively utilized, machine for casing-in or applying cover to book is convenient for The function element such as tool lock, liquid crystal display, integrated hand divide-shut brake control key, and convenient for making circuit board size uniform specification, it is conducive to storehouse Storage management and cost control.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the breaker using motor-operating mechanism of an embodiment of the present invention.

Fig. 2 is the motor-operating mechanism of an embodiment of the present invention in the structural schematic diagram at top visual angle.

Fig. 3 is the motor-operating mechanism of an embodiment of the present invention in the schematic diagram of breaker open operation state.

Fig. 4 is the motor-operating mechanism of an embodiment of the present invention in the schematic diagram of breaker closing state.

Fig. 5 is the motor-operating mechanism of an embodiment of the present invention in the structural schematic diagram at side visual angle.

Fig. 6 is the three-dimensional structure diagram of the slide block assembly of an embodiment of the present invention.

Fig. 7 is the operation principle schematic diagram of the slide block assembly of an embodiment of the present invention.

Specific embodiment

Further understand to make to have the purpose of this utility model, construction, feature and its function, hereby cooperates embodiment Detailed description are as follows.

Incorporated by reference to referring to Fig. 1 to Fig. 5, Fig. 1 is the breaker using motor-operating mechanism of an embodiment of the present invention Structural schematic diagram, Fig. 2 be an embodiment of the present invention motor-operating mechanism in the structural schematic diagram at top visual angle, Fig. 3 For an embodiment of the present invention motor-operating mechanism in the schematic diagram of breaker open operation state, Fig. 4 is the utility model one For the motor-operating mechanism of embodiment in the schematic diagram of breaker closing state, Fig. 5 is the electronic behaviour of an embodiment of the present invention Make mechanism in the structural schematic diagram at side visual angle.The utility model provides a kind of motor-operating mechanism for breaker 900 100, breaker 900 includes shell 91 and the driving lever 92 to control separating brake and combined floodgate, and driving lever 92 is set in shell 91 and prominent For the front 911 of shell 91.

Motor-operating mechanism 100 includes bracket 1, circuit board assemblies 2, motor 3, reduction gear component 4, cam pack 5, slides Block assembly 6 and microswitch 7.

Bracket 1 fastens the front 911 for being installed on shell 91, and bracket 1 has successively adjacent first side 11, second side 12, third side 13 and four side 14.

Circuit board assemblies 2 are fixedly installed on bracket 1 and adjacent to second side 12.Preferably, the electricity of circuit board assemblies 2 Road board bottom face is parallel to second side 12.Two kinds of circuits of analog or digital can be used in circuit board assemblies 2, and wherein digital circuit can be with Realize that host computer or cell phone application remotely directly control circuit-breaker switching on-off.

Motor 3 is sleeping is set on bracket 1 and adjacent to first side 11, and motor 3 is driven and motor 3 by circuit board assemblies 2 Output end has worm screw 31.Motor 3 is placed horizontally on bracket 1 whole height that can reduce motor-operating mechanism 100.

As shown in Fig. 2, reduction gear component 4 is neighbouring to be set to four side 14, reduction gear component 4 include worm gear 41, Pinion gear 42 and gear wheel 43, worm gear 41 are connect with 31 gear drive of worm screw, and pinion gear 42 is connect with 41 coaxial transmission of worm gear, Gear wheel 43 is connect with 42 gear drive of pinion gear.Preferably, the reference diameter of worm gear 41 is greater than the reference circle of pinion gear 42 Diameter, and the reference diameter of worm gear 41 is less than the reference diameter of gear wheel 43.

As shown in figure 5, cam pack 5 is connect with 43 coaxial transmission of gear wheel, in conjunction with referring to Fig. 3 and Fig. 4, cam pack 5 Including the first cam part 51, the second cam part 52 and pushing block 53 rotated synchronously with gear wheel 43, the base of the first cam part 51 Radius of circle is greater than the base radius of the second cam part 52, and the first cam part 51 tool is there are two vertex angle part 511,512 and back to canine tooth The first surface 513 of wheel 43, two vertex angle parts 511,512 are located at the boundary of the first cam part 51 and the second cam part 52 Place, pushing block 53 are fixedly installed on the first surface 513 of the first cam part 51.Pushing block 53 can be to be installed on the first cam The bearing assembly in portion 51.In the rotation process of cam pack 5, two vertex angle parts 511, the 512 off-axis hearts distance farther out, can sweep To the longer-distance object of the off-axis heart, and the second cam part 52, since base radius is smaller, inswept area is convex less than first The area that wheel portion 51 is inswept.

Slide block assembly 6 is slidably disposed on bracket 1, and including but not limited to, slide block assembly 6 is installed on bracket 1 On slideway 15；Incorporated by reference to referring to Fig. 6 and Fig. 7, three-dimensional structure diagram of the Fig. 6 for the slide block assembly of an embodiment of the present invention, Fig. 7 For the operation principle schematic diagram of the slide block assembly of an embodiment of the present invention, slide block assembly 6 includes outer baffle block 61, internal stop 62 With driving lever positioning region 63, outer baffle block 61 and internal stop 62 are set to one end on slide block assembly 6 adjacent to four side 14, outer baffle block There is on the glide direction X of slide block assembly 6 the first interval 64 walked for pushing block 53, outer gear between 61 and internal stop 62 Block 61 has the medial surface 611 towards the first interval 64, and internal stop 62 has the lateral surface 621 towards the first interval 64, pushes Block 53 is sequentially resisted against the medial surface 611 of outer baffle block 61 and the lateral surface 621 of internal stop 62 when cam pack 5 rotates, such as Fig. 7 6 Impact direction of 53 direction of motion of pushing block and corresponding slide block assembly of middle dotted arrow signal；Driving lever positioning region 63 is set to The position of driving lever 92 is corresponded on slide block assembly 6, driving lever positioning region 63 is arranged with driving lever 92 to be connect to drive driving lever 92 to rotate.In reality In the application of border, driving lever 92 is similar to the rotation operation handle mechanism on breaker in the prior art, passes through the handle of the handle mechanism Hand rotates clockwise or counterclockwise, to ensure the combined floodgate or separating brake of breaker；The handle height of driving lever 92 in the utility model It can reduce, as long as driving lever positioning region 63 can be tangled.

Microswitch 7 is neighbouring to be set to third side 13, and microswitch 7 is to by two ends angle of the first cam part 51 Stalling control signal is sent to motor 3 by circuit board assemblies 2 when one of portion 511 or 512 triggers.

Wherein, motor 3 drives cam set by reduction gear component 4 when breaker 900 enters gate-dividing state by closing a floodgate Part 5 rotates, and the medial surface 611 that the pushing block 53 rotated with cam pack 5 pushes against outer baffle block 61 slides slide block assembly 6, with cunning The mobile driving lever positioning region 63 of block assembly 6 drives driving lever 92 that breaker 900 is made to enter gate-dividing state, and the first cam part 51 One of two vertex angle parts 511 trigger microswitch 7 when breaker 900 enters gate-dividing state to control the stalling of motor 3；Motor 3 Cam pack 5 is driven to continue to turn in the same direction by reduction gear component 4 when breaker 900 enters "on" position by separating brake It is dynamic, make slide block assembly with the lateral surface 621 that the pushing block 53 of the rotation of cam pack 5 passes through the first interval 64 and pushes against internal stop 62 6 slide in opposite direction, drive driving lever 92 to make breaker 900 in opposite direction with the mobile driving lever positioning region 63 of slide block assembly 6 Into "on" position, and another the 512 of two vertex angle parts of the first cam part 51 are touched when breaker 900 enters "on" position Hair microswitch 7 is to control the stalling of motor 3.

Preferably, the extending direction of first side 11 and second side 12 is mutually perpendicular to, second side 12 and four side 14 extending direction is parallel to each other, the corresponding middle part for being installed on bracket 1 of slide block assembly 6, and the glide direction X of slide block assembly 6 is vertical Extending direction in second side 12.This topology layout can make motor-operating mechanism 100 whole more compact.

Preferably, driving lever positioning region 63 is the through-hole 631 on slide block assembly 6, and driving lever 92 is arranged in through-hole 631.Driving lever is fixed Position portion 63 is not limited to above-mentioned through-hole structure, is also possible to projection cube structure matched with driving lever 92, but the cooperation of above-mentioned through-hole interts it Interior driving lever framework can make the upper space of driving lever positioning region 63 bigger.

Preferably, motor 3 can so save circuit board since alternating current is generally 220 volts of voltages for 220 volts of direct current generators Voltage drop element is set in component 2, and the motor can provide the drive pushed enough stirring the root for being located proximate to driving lever 92 Power.In addition, the motor 3 of the utility model only needs provide unidirectional drive, do not need to you can well imagine in separating brake and time-division of closing a floodgate for just Anti- two to driving force.The shaft extending direction of worm screw 31 is parallel to the extending direction of first side 11, so can more save Space.

In one embodiment, motor-operating mechanism 100 may also include the pointer set to indicate 900 current state of breaker Part 8, as shown in Figure 3 and Figure 4, indicating hand component 8 are set on bracket 1 and adjacent to third sides 13, and indicating hand component 8 includes instruction Disk 81 and can the rotating the needle 82 that rotates of opposite instruction disk 81, indicate that disk 81 be fixedly installed in bracket 1.Preferably, slide block assembly 6 is gone back Including rotating the needle positioning region 65, rotating the needle positioning region 65 is set to the other end on slide block assembly 6 far from four side 14, and rotating the needle is fixed Position portion 65 and the free end of rotating the needle 82 are sequentially connected by locating shaft 83, and rotating the needle positioning region 65 drives when slide block assembly 6 slides Rotating the needle 82 rotates, to accordingly indicate the separating brake or "on" position of breaker.The free end of rotating the needle 82 can have bar shaped fluting 84, not influence the linear slide of slide block assembly 6.

In one embodiment, motor-operating mechanism 100 may also include the button assembly 9 to manually control divide-shut brake, press Button component 9 is set on bracket 1 and adjacent to third side 13.Manual behaviour commonly used in the prior art can be used in button assembly 9 Make press-button structure, can be directly connected to and controls the buckle releaser in breaker.Button assembly 9 can be connected to circuit board assemblies 2 To control motor 3, to indirectly control the working condition of breaker.

For the safety of main circuit service personnel, can install mechanical lock additional ensures the safety of service personnel.In one embodiment, Motor-operating mechanism 100 may also include the mechanical lock 10 to locking press button component 9, and mechanical lock 10 is installed on bracket 1 and neighbour It is bordering on button assembly 9, as shown in Fig. 2, the stop portion 101 of mechanical lock 10 is operably connected to button assembly 9, such as is passed through The key torsion stop portion 101 of mechanical lock 10 makes its locking press button component 9.It the stop portion 101 of mechanical lock 10 can be in button The fastener installed on component 9 is locked when circuit breaker load lateral circuit needs repairing or does not allow to be powered using mechanical lock 10, To prevent being missed by button assembly 9 by breaker closing by people.

In one embodiment, motor-operating mechanism 100 further includes that element installs space 20 additional, as shown in Figure 1, element installs sky additional Between 20 tops for being located at driving lever positioning region 63, and enclosed by motor 3, circuit board assemblies 2, third side 13 and reduction gear component 4 At.Element installs space 20 additional adjacent to circuit board assemblies 2, can be used to install additional display screen, communication module, detection module etc., so as to In the function and intelligence degree that further expand breaker.Preferably, the top of reduction gear component 4 can install protective cover additional Plate 16, protective cover plate 16 are fixedly installed on bracket 1 and adjacent to four side 14.

Continuing with referring to Fig. 1, the utility model also provides a kind of breaker, comprising as above any one as described in the examples Motor-operating mechanism for breaker.Preferably, breaker is MCCB (plastic casing type) breaker.

Incorporated by reference to referring to fig. 2, Fig. 3, Fig. 4 and Fig. 7, separating brake need to be entered by closing a floodgate when breaker 900 is connected to control instruction When state, circuit board assemblies 2 control motor 3 and start, and motor 3 controls worm screw 31 and rotates, and worm screw 31 drives the worm gear ratcheting with it 41 rotations, the pinion gear 42 coaxially connected with worm gear 41 rotate synchronously, and pinion gear 42 drives the gear wheel 43 ratcheting with it to rotate, The cam pack 5 coaxially connected with gear wheel 43 rotates synchronously (clockwise direction of such as Fig. 2 into Fig. 4), with 5 turns of cam pack The medial surface 611 that dynamic pushing block 53 pushes against outer baffle block 61 makes the sliding of slide block assembly 6 (such as glide direction upward), with sliding block group The mobile driving lever positioning region 63 of part 6 drives driving lever 92 (such as stirring direction upward) that breaker 900 is made to enter gate-dividing state, and at this time The triggering of one of two vertex angle parts of first cam part 51 511 microswitch 7 (such as vertex angle part 511 starts to touch and presses fine motion Switch 7) it is shut down with controlling motor 3；When breaker 900 is connected to control instruction and need to enter "on" position by separating brake, circuit board Component 2 controls the starting of motor 3 again, and motor 3 controls worm screw 31 and continues to rotate in the same direction, and worm screw 31 drives ratcheting with it Worm gear 41 continue to rotate in the same direction, the pinion gear 42 coaxially connected with worm gear 41 rotates synchronously, pinion gear 42 drive with Its ratcheting gear wheel 43 rotates, and the cam pack 5 coaxially connected with gear wheel 43 is in the same direction (as being still side clockwise To) continue to rotate synchronously, the pushing block 53 rotated with cam pack 5 passes through the first interval 64 and pushes against the lateral surface of internal stop 62 621 make slide block assembly 6 slide (such as glide direction downward) in opposite direction, with mobile 63 edge of driving lever positioning region of slide block assembly 6 Opposite direction drives driving lever 92 (such as stir and be directed downward) that breaker 900 is made to enter "on" position, and the first cam part 51 at this time Two vertex angle parts it is another 512 triggering microswitch 7 (such as vertex angle part 512 terminate touching microswitch 7 and release pressing) It is shut down again with controlling motor 3；And so on, realize the electric operating of circuit-breaker switching on-off.

Novel electric operating mechanism provided by the utility model can be applied to the execution member device in intelligent breaker component Part, so that breaker can be used to long-range or remote control separating brake, "on" position.In other words, what breaker 900 was connected to need to be by closing Lock enters separating brake or enters the control instruction of "on" position by separating brake, and the button member being not limited by local cabinet issues, Control instruction can also be issued by telecommunication network, cell phone software or remote control device etc..

The breaker for the motor-operating mechanism and application of the breaker motor-operating mechanism of the utility model, passes through Whole rational structure, structure design and component placement, can be greatly reduced the installation height of motor-operating mechanism, and can substantially subtract Few components reduce assembly man-hour, can substantially effectively utilize space, convenient for installing mechanical lock, liquid crystal display, integrated hand point additional The function element such as combined floodgate control key, and convenient for making circuit board size uniform specification, it is conducive to warehousing management and cost control.

The utility model is described by above-mentioned related embodiment, however above-described embodiment is only to implement the utility model Example.It must be noted that the embodiment disclosed is not limiting as the scope of the utility model.On the contrary, not departing from this It is changed and retouched made by the spirit and scope of utility model, belongs to the scope of patent protection of the utility model.

Claims (10)

1. a kind of motor-operating mechanism for breaker, which includes shell and group to control separating brake and combined floodgate Bar, the driving lever are set in the shell and protrude from the front of the shell, which is characterized in that the motor-operating mechanism includes branch Frame, circuit board assemblies, motor, reduction gear component, cam pack, slide block assembly and microswitch；

The support fastening is installed on the front of the shell, which has successively adjacent first side, second side, third side Side and four side；

The circuit board assemblies are fixedly installed on the bracket and adjacent to the second side；

The motor is sleeping is set on the bracket and adjacent to the first side, which is driven and the motor by the circuit board assemblies Output end has worm screw；

The reduction gear component is neighbouring to be set to the four side, which includes worm gear, pinion gear and gear wheel, The worm gear is connect with the worm- gear drive, which connect with the worm gear coaxial transmission, the gear wheel and the pinion gear teeth Wheel transmission connection；

The cam pack is connect with the gear wheel coaxial transmission, the cam pack include rotated synchronously with the gear wheel it is first convex Wheel portion, the second cam part and pushing block, the base radius of first cam part are greater than the base radius of second cam part, this For one cam part tool there are two vertex angle part and the first surface back to the gear wheel, which is located at first cam The boundary in portion and second cam part, the pushing block are fixedly installed on the first surface of first cam part；

The slide block assembly is slidably disposed on the bracket, which includes outer baffle block, internal stop and driving lever positioning region, The outer baffle block and the internal stop are set to one end of the neighbouring four side on the slide block assembly, the outer baffle block and the internal stop it Between in the glide direction of the slide block assembly have for the pushing block walk first interval, the outer baffle block have towards this first The medial surface at interval, the internal stop have towards this first interval lateral surface, the pushing block the cam pack rotate when according to Sequence is resisted against the medial surface of the outer baffle block and the lateral surface of the internal stop, which is set on the slide block assembly corresponding The position of the driving lever, which is arranged with the driving lever connect to drive the driving lever to rotate；

The microswitch is neighbouring to be set to the third side, and the microswitch is to by two vertex angle parts of first cam part One of triggering when by the circuit board assemblies to the motor send stalling control signal；

Wherein, which drives the cam pack by the reduction gear component when the breaker enters gate-dividing state by closing a floodgate Rotation slides the slide block assembly with the medial surface that the pushing block that the cam pack rotates pushes against the outer baffle block, with the sliding block The mobile driving lever positioning region of component drives the driving lever that the breaker is made to enter gate-dividing state, and two ends of first cam part The microswitch is triggered when the breaker enters gate-dividing state to control motor stalling in one of corner；The motor is in the open circuit The cam pack is driven to continue to rotate in the same direction by the reduction gear component when device enters "on" position by separating brake, with this The pushing block of cam pack rotation passes through this and first is spaced and pushing against the lateral surface of the internal stop makes the slide block assembly along opposite Direction sliding drives the driving lever that the breaker is made to enter combined floodgate in opposite direction with the mobile driving lever positioning region of the slide block assembly State, and two vertex angle parts of first cam part it is another triggered when the breaker enters "on" position the microswitch with Control motor stalling.

2. motor-operating mechanism as described in claim 1, which is characterized in that the extension side of the first side and the second side To being mutually perpendicular to, the extending direction of the second side and the four side is parallel to each other, and slide block assembly correspondence is installed on the branch The middle part of frame, the extending direction of the glide direction of the slide block assembly perpendicular to the second side.

3. motor-operating mechanism as described in claim 1, which is characterized in that the driving lever positioning region is logical on the slide block assembly Hole, the driving lever are arranged in the through-hole.

4. motor-operating mechanism as described in claim 1, which is characterized in that the motor is 220 volts of direct current generators, the worm screw Shaft extending direction is parallel to the extending direction of the first side.

5. motor-operating mechanism as described in claim 1, it is characterised in that further include: to indicate breaker current state Indicating hand component, the indicating hand component are set on the bracket and adjacent to the third sides, which includes instruction disk and can Relative to the rotating the needle of instruction disk rotation, which is fixedly installed in the bracket.

6. motor-operating mechanism as claimed in claim 5, which is characterized in that the slide block assembly further includes rotating the needle positioning region, should Rotating the needle positioning region is set to the other end on the slide block assembly far from the four side, the freedom of the rotating the needle positioning region and the rotating the needle End is sequentially connected by locating shaft, which drives the rotating the needle to rotate when the slide block assembly slides.

7. motor-operating mechanism as described in claim 1, it is characterised in that further include: to manually control the button of divide-shut brake Component, the button assembly are set on the bracket and adjacent to the third sides.

8. motor-operating mechanism as claimed in claim 7, it is characterised in that further include: to lock the machinery of the button assembly Lock, the mechanical lock are installed on the bracket and adjacent to the button assemblies, and the stop portion of the mechanical lock is operably connected to this Button assembly.

9. motor-operating mechanism as described in claim 1, it is characterised in that further include: element installs space additional, which installs additional It is spatially located at the top of the driving lever positioning region, and by the motor, the circuit board assemblies, the third side and the reduction gear component It surrounds.

10. a kind of breaker, it is characterised in that comprising being used for the electronic of breaker as described in any one of claim 1-9 Operating mechanism.