CN205752070U - A kind of miniature circuit breaker motor-operating mechanism - Google Patents

A kind of miniature circuit breaker motor-operating mechanism Download PDF

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Publication number
CN205752070U
CN205752070U CN201620571379.6U CN201620571379U CN205752070U CN 205752070 U CN205752070 U CN 205752070U CN 201620571379 U CN201620571379 U CN 201620571379U CN 205752070 U CN205752070 U CN 205752070U
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circle
micro
hypodontia wheel
disconnected
curved bar
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CN201620571379.6U
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杨波
陈晓妍
汤佳静
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Nanjing Tonghui Electrical Technology Co Ltd
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Nanjing Tonghui Electrical Technology Co Ltd
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Abstract

This utility model relates to a kind of miniature circuit breaker motor-operating mechanism, belongs to electric switch technical field.The driving gear of this mechanism engages with driven gear, and driven gear is taken turns coaxial with driving circle hypodontia;Drive circle hypodontia wheel and curved bar control position cam coaxial, and adjacent with manual control circle hypodontia wheel;Housing hinge dress is positioned at the curved bar of driven gear side;Drive circle hypodontia wheel and manual control circle hypodontia wheel be respectively provided with corresponding micro-disconnected control handle divide, the engaging tooth of combined floodgate corner;During installation, manual circle hypodontia wheel is coaxial with micro-disconnected control handle, and curved bar is connected with micro-disconnected dropout button;When micro-disconnected be in "on" position time, drive circle hypodontia wheel be in manual control circle hypodontia wheel engagement rotation after disengaged position, curved bar control position cam is in driving circle hypodontia wheel to be rotated further the disengaged position that will make to be pushed into corresponding micro-disconnected dropout button trip positions on curved bar.This utility model achieve when micro-disconnected be in "on" position time, electricity behaviour allows micro-disconnected manual brake separating, allows also to electronic separating brake, and simple in construction, reliable in action.

Description

A kind of miniature circuit breaker motor-operating mechanism
Technical field
This utility model relates to a kind of motor-operating mechanism, especially a kind of miniature circuit breaker motor-operating mechanism, belongs to Electric switch technical field.
Background technology
In order to realize the Based Intelligent Control of supply network, the miniature circuit breaker as supply network end effector (is called for short Micro-disconnected) it is required to after must arriving the instruction that backstage sends, make rapidly corresponding separating brake, feed motion, and performing result Feed back to backstage.Existing micro-disconnected W sees Fig. 6, Fig. 7, has and switches and at internal reset spring between separating brake and closing position The lower control handle W-1 keeping returning open position trend of effect, and the dropout button W-2 associated with control handle W-1.When inciting somebody to action When control handle W-1 is turned to the closing position of Fig. 7 counterclockwise by the open position of Fig. 6, dropout button W-2 is therewith by being originally in circle Trip positions above arc groove W-3 becomes the snapped-in position below arc groove W-3, by micro-disconnected W after making control handle W-2 close a floodgate The trip shaft of portion's linkage is blocked, thus keeps the "on" position of Fig. 7, needs could to release buckle by External Force Acting and resets to point Gate position.When needing control handle W-1 to be recovered the open position of Fig. 6 by the closing position of Fig. 7, apply external force switch clockwise Control handle W-1, trip shaft will release buckle, and then control handle W-1 turns under internal reset spring effect the most clockwise Position returns the open position of Fig. 6, and the separating brake dropout button W-2 linked therewith is therewith by the buckle being originally in below arc groove W-3 Position becomes the trip positions above arc groove W-3.
Along with along with the development of supply network technology, miniature circuit breaker needs to support the use and has following two and control greatly function Motor-operating mechanism (be called for short electricity behaviour): 1) when micro-disconnected be in "on" position time, electricity behaviour allow micro-dynamic (or fault) separating brake of cutting off the hands, Close a floodgate, allow also to electronic separating brake;2) when after manual or fault separating brake, it is allowed to micro-disconnected closing by hand, electric switch-on is allowed also to;But it is electric After dynamic separating brake, do not allow micro-disconnected closing by hand, can only electric switch-on.
According to the applicant understood, the most generally there is the problem that structure is the compactest, mechanism is complicated in existing motor-operating mechanism, It is unfavorable for miniaturization and less reliable problem, and above-mentioned manipulation logic cannot be realized.Its typical structure may refer to Shen Please number be the Chinese utility model patent application of 201510198932.6, that application discloses a kind of electronic for miniature circuit breaker Operating mechanism, this motor-operating mechanism includes circuit board, motor and train of reduction gears, and circuit board is connected with motor by wire, The rotary shaft of motor is connected with train of reduction gears, and train of reduction gears is by the first gear, the second gear, the 3rd gear and the 4th gear Being formed by connecting by gear, the 4th gear is semicircular gear, and the 4th gear is arranged in divide-shut brake control dish, and divide-shut brake controls Dish one end is connected with swinging handle, and the divide-shut brake control dish other end is connected with snap ring, and divide-shut brake control dish shaft core position also sets up One rotating spindle.
Summary of the invention
The purpose of this utility model is, is improved by structure, propose a kind of when micro-disconnected be in "on" position time, electricity behaviour permit Xu Wei cuts off the hands dynamic (or fault) divide-shut brake, the miniature circuit breaker motor-operating mechanism that allows also to electronic separating brake.
In order to achieve the above object, miniature circuit breaker motor-operating mechanism basic technical scheme of the present utility model is, bag Including and be arranged on the driving gear that motor via reducer structure drives in housing, described driving gear engages with driven gear, described Driven gear is taken turns coaxial with driving circle hypodontia;Described circle hypodontia wheel and the curved bar control position cam coaxial of driving, and hypodontia round with manual control Take turns adjacent;Described housing hinge dress is positioned at the curved bar of described driven gear side;Described driving circle hypodontia wheel and manual control circle hypodontia are taken turns Be respectively provided with corresponding micro-disconnected control handle divide, the engaging tooth of combined floodgate corner;During installation, described manual circle hypodontia wheel and micro-disconnected manipulation Handle is coaxial, and described curved bar is connected with micro-disconnected dropout button;When micro-disconnected be in "on" position time, described driving circle hypodontia wheel be in Disengaged position after manual circle hypodontia wheel engagement rotation, described curved bar control position cam is in driving circle hypodontia wheel to be rotated further i.e. To make to be pushed on curved bar the disengaged position of corresponding micro-disconnected dropout button trip positions.
So, it is achieved that when micro-disconnected be in "on" position time, no matter carry out manual brake separating or closing operation again, drive Circle hypodontia wheel because of with manual control circle hypodontia wheel disengaging will not with rotation, and curved bar control position cam to curved bar depart from retrain, hence allow to Manual brake separating, closing operation;And when motor drives driving circle to lack pinion rotation by transmission, curved bar control position cam concomitant rotation And quickly curved bar is pushed into the trip positions of corresponding micro-disconnected dropout button, release the buckle to micro-disconnected control handle so that it is resetting It is quickly returned to open position, it is achieved electronic separating brake under effect.
Visible, this utility model closes by the angular position the most relatively of circle hypodontia wheel and the cam intermittently-driving of curved bar control position System, it is achieved that when micro-disconnected be in "on" position time, electricity behaviour allows micro-dynamic (or fault) separating brake of cutting off the hands, allows also to electronic separating brake, and And simple in construction, reliable in action.
This utility model further improves, and described housing has arcuate groove, and is positioned at by middle part hinge pin hinge dress The lever gib head curved bar of driven bevel pinion side.
This utility model further improves, and described manual control circle hypodontia wheel is same by connecting rod with micro-disconnected control handle Axle is connected, and described curved bar inserts the dropout button center on micro-breaking away from the end pin of driving circle hypodontia wheel side after arcuate groove Hole.
This utility model the most further improves, and described driving circle hypodontia wheel and the scarce tooth-formation of gear of manual control circle are circular arc Tooth.Owing to circle-arc tooth is compared with conventional involute teeth, intermeshing two teeth can have bigger tip clearance, is therefore Make by bigger External Force Acting, also can ensure engagement smoothly by the compensation of tip clearance, and be unlikely to block.
This utility model further perfect, described drives circle hypodontia wheel and manual control circle hypodontia wheel to be provided with and connect control electricity The angular position sensor on road.So it is possible not only to intuitively show its actual angular position, and is advantageously implemented closed loop control.
Accompanying drawing explanation
Fig. 1 is the structural representation of one embodiment closing position of this utility model.
Fig. 2 is the side view of Fig. 1.
Fig. 3 is the rearview (housing is considered as transparent) of Fig. 1.
Fig. 4 is the structural representation of the electronic open position of Fig. 1 embodiment.
Fig. 5 is the rearview (housing is considered as transparent) of Fig. 4.
Fig. 6 is micro-disconnected gate-dividing state structural representation.
Fig. 7 is micro-disconnected "on" position structural representation.
Detailed description of the invention
Embodiment one
The miniature circuit breaker motor-operating mechanism of the present embodiment as shown in Figure 1, Figure 2 and Figure 3, matches including with micro-disconnected profile Housing 1, motor in housing 16 drives driving bevel gear 5 by reducing gear, this driving bevel gear 5 and driven bevel pinion 4 Engagement, driven bevel pinion 4 is coaxially connected with driving circle hypodontia wheel 3.Drive circle hypodontia wheel 3 and the curved bar control with limit convex 9-1 Position cam 9 is coaxially connected, and it is adjacent to take turns 2 with manual control circle hypodontia.
On housing 1, there is arcuate groove, be positioned at the lever gib head curved bar of driven bevel pinion 4 side by middle part hinge pin hinge dress 7.Drive circle hypodontia wheel 3 and manual control circle hypodontia wheel 2 be respectively provided with corresponding micro-disconnected control handle divide, the engaging tooth of combined floodgate corner, its Profile of tooth is circle-arc tooth, and drives circle hypodontia wheel 3 and manual control circle hypodontia wheel 2 to be respectively provided with the angular position sensing of connection control circuit Device.The concrete number of teeth of engaging tooth and angular position relation can be according to the actual rotational angle respective design meters of micro-disconnected control handle W-1 Calculate.
During installation, see Fig. 6, Fig. 7, manual circle hypodontia wheel 2 and micro-disconnected control handle W-1 connecting rod by on-circular cross-section 8 are coaxially connected, and after curved bar 7 passes arcuate groove away from the end pin 7-1 driving circle hypodontia to take turns 3 sides, insert the dropout button on micro-breaking W-2 centre bore is connected with micro-disconnected interior trip shaft.
When micro-disconnected W is in the "on" position of Fig. 7, as it is shown in figure 1, drive circle hypodontia wheel 3 to be in and manual control circle hypodontia wheel 2 Engage the disengaged position after rotating clockwise, and curved bar control position cam 9 is as it is shown on figure 3, be in driving circle hypodontia wheel 3 continuation Rotating (it is counterclockwise for seeing Fig. 3 relative to clockwise, Fig. 3 of Fig. 1) will make its limit convex 9-1 by the end pin 7-1 of curved bar 7 On be pushed into the disengaged position of corresponding micro-disconnected W dropout button trip positions.
So, it is achieved that when micro-disconnected W is in "on" position, no matter carry out manual brake separating or closing operation again, drive Dynamic circle hypodontia wheel 3 all will because be disengaged from manual control circle hypodontia wheel 2, without concomitant rotation (if the most not remaining disengaged from engagement, Manually divide, close a floodgate and will lack gear driven driving circle hypodontia wheel by manual control circle, and then rotate ability by reducing gear drive motor Can realize, and the speed reducing ratio reverse drive self-locking of reducing gear can make to cannot be carried out manual point, closing operation);And curved bar Control position cam 9 departs from constraint to curved bar 7, thus without hinder the trip shaft of micro-disconnected W because of micro-disconnected point, close a floodgate with control handle former Have linkage action i.e. manual brake separating and again closing operation the most not by electricity behaviour affected.And when motor 6 by reducing gear, Driving bevel gear 5, driven bevel pinion 4 drive when driving circle hypodontia wheel 3 rotation, and curved bar control position cam 9 will be departed from shape by with curved bar State quickly enters its limit convex 9-1 and will be pushed into the trip positions of corresponding micro-disconnected W dropout button on the end pin 7-1 of curved bar 7, thus releases Buckle to micro-disconnected control handle so that it is indexing immediately returns to open position and (sees figure under internal reset spring effect 6) i.e. when micro-disconnected be in "on" position time, electricity behaviour can realize electronic separating brake.
Additionally, when micro-disconnected W is in the gate-dividing state of Fig. 6, as shown in Figure 4, driving circle hypodontia wheel 3 to be in will be clockwise Rotate engage with manual control circle hypodontia wheel 2 and make manual circle hypodontia take turns 2 to turn to micro-disconnected control handle W-1 towards combined floodgate direction and reach combined floodgate The disengaged position of position (seeing Fig. 7), curved bar control position cam 9 is in its spacing preiection 9-1 by lever gib head by the end of curved bar 7 The restrained condition of corresponding micro-disconnected W dropout button trip positions it is pushed on pin 7-1.So, when driving circle hypodontia wheel 3 driving manual control circle to lack When gear 2 is disengaged from after going to corresponding control handle W-1 open position, at the limit convex 9-1 on curved bar control position cam 9 In curved bar 7 end pin 7-1 being pushed into the constrained of the corresponding micro-disconnected dropout in arcuate groove upper end, therefore, micro-disconnected on dropout button drive The trip shaft of micro-disconnected inside is also maintained at trip positions because curved bar 7 is restrained, time no longer as originally not having distribution to grasp micro-disconnected that Sample, after working as manual combined floodgate, trip shaft necessarily enters snapped-in position, even if result makes now to carry out manual closing operation, also will Control handle is made necessarily to return open position under the effect of micro-disconnected internal reset spring immediately owing to being snapped, i.e. hands When pushing away micro-disconnected control handle to closing position, it is impossible to making control handle be maintained at closing position because of buckle, once external force is cancelled, hands Handle can automatically return to open position, it is achieved that does not allow the function of micro-disconnected closing by hand after electronic separating brake.And when motor 6 orders about Dynamic circle hypodontia wheel 3 engages with manual control circle hypodontia wheel 2 when going to closing position, due to spacing during cam 9 concomitant rotation of curved bar control position Protruding 9-1 quickly departs from the constraint to curved bar 7, and recovery original function is entered buckle by trip positions by the most micro-disconnected trip shaft Position, thus ensure reliable electric switch-on, therefore the ingenious cooperation of the present embodiment circle hypodontia wheel and curved bar control position cam ensures After electronic separating brake while not allowing micro-disconnected closing by hand, but can be with electric switch-on.
Being summed up, the present embodiment has the advantage that
1) after keeping the electronic separating brake under original manipulation function premise cannot the realization of closing by hand function, effectively prevent Accident that violence closing by hand causes and damage.
2) appropriate design of curved bar and curved bar limit cam ensure that required control function conscientiously.
3) the round hypodontia wheel indexing mechanism of incomplete tooth, action simpler than other indexing mechanism structures such as sheaves more may be used Lean on.
4) circle-arc tooth justifying hypodontia wheel can have bigger tip clearance, even if by bigger External Force Acting, also can lead to The compensation crossing tip clearance ensures engagement smoothly, and is unlikely to block.
5) motor has only to rotate (need not rotating) to a direction, controls logic simple, reliable, and the electricity used Machine carries reduction box, and structure is compacter.
In addition to the implementation, this utility model can also have other embodiments.All employing equivalents or equivalence become Change the technical scheme of formation, all fall within the protection domain of this utility model requirement.

Claims (5)

1. a miniature circuit breaker motor-operating mechanism, it is characterised in that: include being arranged on motor via reducer structure in housing The driving gear driven, described driving gear engages with driven gear, and described driven gear is taken turns coaxial with driving circle hypodontia;Described Drive circle hypodontia wheel and curved bar control position cam coaxial, and adjacent with manual control circle hypodontia wheel;Described housing hinge dress is positioned at described driven The curved bar of gear side;Described circle hypodontia wheel and manual control circle hypodontia wheel is driven to be respectively provided with corresponding micro-disconnected control handle and divide, close a floodgate The engaging tooth of corner;During installation, described manual circle hypodontia wheel is coaxial with micro-disconnected control handle, and described curved bar is with micro-disconnected dropout button even Connect;When micro-disconnected be in "on" position time, described driving circle hypodontia wheel be in manual control circle hypodontia wheel engagement rotation after disengaging shape State, described curved bar control position cam is in and takes off with driving circle hypodontia wheel to be rotated further will to make to be pushed on curved bar corresponding micro-disconnected dropout button The disengaged position that button bit is put.
Miniature circuit breaker motor-operating mechanism the most according to claim 1, it is characterised in that: on described housing, there is arc Groove, and the lever gib head curved bar of driven bevel pinion side it is positioned at by middle part hinge pin hinge dress.
Miniature circuit breaker motor-operating mechanism the most according to claim 2, it is characterised in that: described manual circle hypodontia wheel with Micro-disconnected control handle is coaxially connected by connecting rod, and described curved bar is away from driving the end pin of circle hypodontia wheel side through after arcuate groove Insert the dropout button centre bore on micro-breaking.
Miniature circuit breaker motor-operating mechanism the most according to claim 3, it is characterised in that: described drive circle hypodontia wheel and It is circle-arc tooth that manual circle lacks tooth-formation of gear.
Miniature circuit breaker motor-operating mechanism the most according to claim 4, it is characterised in that: described drive circle hypodontia wheel and Manual circle hypodontia wheel is provided with the angular position sensor of connection control circuit.
CN201620571379.6U 2016-06-15 2016-06-15 A kind of miniature circuit breaker motor-operating mechanism Active CN205752070U (en)

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Application Number Priority Date Filing Date Title
CN201620571379.6U CN205752070U (en) 2016-06-15 2016-06-15 A kind of miniature circuit breaker motor-operating mechanism

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Application Number Priority Date Filing Date Title
CN201620571379.6U CN205752070U (en) 2016-06-15 2016-06-15 A kind of miniature circuit breaker motor-operating mechanism

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106024543A (en) * 2016-06-15 2016-10-12 南京同辉电气科技有限公司 Electric operating mechanism for miniature circuit breaker
CN108511291A (en) * 2017-02-24 2018-09-07 上海良信电器股份有限公司 The structure-improved of electrically operated device clutch

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106024543A (en) * 2016-06-15 2016-10-12 南京同辉电气科技有限公司 Electric operating mechanism for miniature circuit breaker
CN108511291A (en) * 2017-02-24 2018-09-07 上海良信电器股份有限公司 The structure-improved of electrically operated device clutch
CN108511291B (en) * 2017-02-24 2019-09-17 上海良信电器股份有限公司 The structure-improved of electrically operated device clutch

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