CN201514865U - Electric-controlled closing operation mechanism for small-sized breaker - Google Patents
Electric-controlled closing operation mechanism for small-sized breaker Download PDFInfo
- Publication number
- CN201514865U CN201514865U CN2009200579269U CN200920057926U CN201514865U CN 201514865 U CN201514865 U CN 201514865U CN 2009200579269 U CN2009200579269 U CN 2009200579269U CN 200920057926 U CN200920057926 U CN 200920057926U CN 201514865 U CN201514865 U CN 201514865U
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- Prior art keywords
- arm
- tie
- lever
- circuit breaker
- breach
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Abstract
The utility model discloses an operation control mechanism for a small-sized breaker, and relates to an electric-controlled closing operation mechanism which utilizes a motor to control the rotation of a shifting block and drive a lever to rise, and meanwhile, under the action of a pull rod, a handle of the small-sized breaker is lifted up by a pull plate at the lower end of the pull rod. The shifting block of the mechanism can be separated from an action block of the lever at a high spot through an extending arm; a compression rod of the shifting block acts on a microswitch when the shifting block returns to the initial position so as to enable the motor to stop working. Besides, since the pull rod is in rotational connection with the lever or the pull plate through axle hole fit, the influence easily caused by the arc movement of the lever to the movement of the pull plate is reduced, and the requirement of vertical movement of the pull plate can be well met. The mechanism is characterized by smooth operation, uniform action, no impact and the like.
Description
Technical field
The utility model belongs to a kind of operation controlling organization of circuit breaker, relate to a kind of automatic closing operation of miniature circuit breaker, more specifically, be that a kind of rotation of Electric Machine Control shifting block and drive lever of utilizing lifts, simultaneously, by the effect of pull bar, make arm-tie the operating mechanism that the handle of miniature circuit breaker is cocked of pull bar lower end by electric control switch-on.
Prior art
Existing miniature circuit breaker, when load short circuit or electric current occur when excessive, the separating brake of threading off automatically is with dump, and handle is downward by bullet simultaneously.After the attendant gets rid of fault, reclose power supply, must miniature circuit breaker be closed a floodgate by manually upwards pulling handle.
The utility model content
The purpose of this utility model is to provide a kind of electric control switch-on operating mechanism of miniature circuit breaker, this mechanism provides a button, by the operation of button, can drive lever by the rotation of motor and lift, and the pulling pull bar makes handle cocked and realize the automatic operation of closing a floodgate.
The purpose of this utility model also brings up self-regulating parts between lever and arm-tie, make it can adapt to the requirement that arm-tie moves up and down better, the arcuate movement that reduces lever causes the influence that arm-tie is moved easily, thereby provides a kind of operation to have more the electric control switch-on operating mechanism of level and smooth miniature circuit breaker.
The purpose of this utility model is realized by following scheme:
A kind of electric control switch-on operating mechanism of miniature circuit breaker is characterized in, comprising:
A housing;
A motor that is fixed on the housing;
A shifting block that is fixed on the machine shaft has pressing lever and cantilever arm on the shifting block;
A lever, its run-on point is connected on the housing;
A pull bar, the one end is connected on the lever;
An arm-tie that is connected in the pull bar other end, this arm-tie are formed with the projected claw that can cooperate with the miniature circuit breaker handle;
A sensitive switch that is fixed on the housing, this sensitive switch pressured state just cut off the motor power free state and then are communicated with motor power;
Start button for people's operation, or one group of contact of the relay of remote control equipment are being controlled the initial supply of motor power;
Described pull bar has at least an end to be rendered as bifurcation shape, forms bifurcated, and an end of bifurcation shape is placed on described lever or the described arm-tie, and by a hole of passing on pull bar bifurcation shape one end and lever or the arm-tie, constitutes pull bar and lever or the relatively turnable flexible connection of arm-tie;
Described shifting block is in rotating process, and its cantilever arm can contact with the effect piece on the described lever, drives described lever and lifts, and separating with the effect piece subsequently; Its pressing lever acted on the sensitive switch when described shifting block was got back to initial position in rotation process.
Like this, can press start button earlier in short-term, perhaps make one group of contacting of the relay of remote control equipment, allow the power supply short time power to motor, motor just begins to rotate, and makes the shifting block pressing lever leave sensitive switch, at this moment, sensitive switch just is communicated with motor power, keep motor and be rotated further, then, the shifting block cantilever arm contacts in minimum point with effect piece on the lever, the drive lever lifts, and spurring on the arm-tie by pull bar and to move, the projected claw of arm-tie is acted on the handle of miniature circuit breaker, make handle by evenly cocked, realize closing a floodgate and the connection circuit breaker to the peak place, subsequently, the shifting block cantilever arm separates with effect piece on the lever, and the shifting block cantilever arm continues to rotate and get back to initial position under the effect of motor, when its pressing lever acts on the sensitive switch, just cut off motor power, motor stops operating, and pressing lever also maintains on the sensitive switch, simultaneously, lever maintains the place, top position by pull bar by the support of circuit breaker handle.
When load is broken down, the circuit breaker automatic brake separating will make handle by under the bullet, drive arm-tie simultaneously and will move down, and make the leverage piece get back to below place, for automatic closing has next time been done preparation.
Obtained a kind of operating mechanism that can realize the miniature circuit breaker that closes a floodgate by push-botton operation thus, and this mechanism realizes having even action, shock-free characteristics by mechanical type lever and motor-driven cooperation.
In addition as seen, the proposition of this mechanism need not improve the structure of existing circuit breaker, thereby transforms also simple.
Importantly, shifting block by cantilever arm except the effect of shifting lever, also with separating with lever subsequently, and depress sensitive switch by pressing lever and cut off the electricity supply to the effect of motor power supply, like this, handle is pulled down and is driven lever and get back to the home position and eliminated obstacle when can be fault, simultaneously, and for the accurate location of shifting block pressing lever also provides assurance.
Also have, because pull bar has at least an end to be connected with lever or arm-tie by the axis hole cooperation, like this, when the lever drives arm-tie lifts, arm-tie is when being subjected to the handle reaction force acts, the influence that the lever arcuate movement moves up and down arm-tie will cooperate by reorientating between regulating shaft, the hole to obtain correcting, guaranteed arm-tie be upper and lower to straight line move.
In the such scheme, the free-ended effect piece of lever is a roller, the arc of roller outer surface, can make the shifting block cantilever arm easily realize separating along sliding with roller at height point, in addition, the upper rear portion of shifting block cantilever arm also is made into arc, and the contact limit that makes high point is in a bit, and roller slide to the back side of shifting block cantilever arm at height point place and separate also can be level and smooth.
In the such scheme, for a gathering sill is brought up in the rotation of lever, this gathering sill is fixed on the surface of housing, between machine shaft and pull bar, make lever in rotating process, on fore-and-aft direction, be restricted and keep on a vertical plane, the accuracy that cooperates between the effect piece that can further guarantee lever and the cantilever arm of shifting block.
In the such scheme, also can be moving up and down of arm-tie and bring up a qualification breach, this qualification breach is fixed in the bottom of surface of shell, be positioned at the below of pull bar, can make the projected claw of arm-tie be in the below by this qualification breach, and the top of arm-tie is arranged in this qualification breach, with the skew of restriction arm-tie on left and right directions.
Be more preferably, in the such scheme, in the two ends that limit breach auxiliary wheel is installed all, auxiliary wheel is charged into to breach, can be fitted with the surface of arm-tie in the surface of two auxiliary wheels, guarantee that the surface of arm-tie and the lower edge that limits breach keep apart, and can make arm-tie in the process that moves up and down, by isolate, play hard friction and the effect that can be level and smooth of preventing by auxiliary wheel.
Be more preferably, in the such scheme, arm-tie is in the top of projected claw, also be formed with a support lugn, this support lugn be positioned at circuit breaker handle above, under the breaker closing state, can be support lugn after its handle is pulled and provide support power, make the free end of lever can remain on the top and can not fall, particularly can guarantee can not constitute influence being rotated further of shifting block cantilever arm.
The drawing explanation
Fig. 1 is the structural representation of a kind of embodiment of the utility model;
Fig. 2 is the schematic diagram of the mechanical structure of Fig. 1 mechanism;
Fig. 3 is the schematic rear view of the arm-tie of Fig. 2.
Embodiment
Below in conjunction with accompanying drawing the utility model is made further detailed description:
With reference to Fig. 1, Fig. 2 and Fig. 3, electric control switch-on operating mechanism comprises housing 1, is fixed on the motor 2 on the housing 1, and it is protruding that machine shaft 21 passes through hole, is fixed with shifting block 3 in the end of stretching out, and shifting block 3 has outstanding cantilever arm 31 and pressing lever 32; Lever 4 is connected on the surface of housing 1 by its run-on point 41, the middle part of lever 4 has a hole, pull bar 5 is made up of two sheet materials 51 of front and back, two sheet materials 51 form a bifurcation shape on top, respectively have a hole on the bifurcation shape, pass the middle part perforate of lever 4 and be fixed on two holes on the pull bar 5 bifurcation shapes by one 52, pull bar 5 can be rotated in the perforate of lever 4 by axle 52, the free end of lever 4 is fixed with roller 42, the other end of pull bar 5 is fixing with arm-tie 6 by two sheet materials 51, arm-tie 6 has projected claw 61, and projected claw 61 can collude circuit breaker handle A1.Also have, when initial, the A breaker open operation, handle A1 is in the state pulled down, and lever 4 free-ended rollers 42 are positioned at minimum point; Sensitive switch 7 is fixed on the housing 1 in the below of machine shaft 21, when its compressing tablet 71 is subjected to depressing, this sensitive switch 7 is in pressured state and just cuts off motor 2 power supplys, and when compressing tablet 71 was not subjected to depressing, sensitive switch 7 was in free state and connects motor 2 power supplys.Also have, when initial, the pressing lever 32 of shifting block 3 just acts on the sensitive switch 7, and compressing tablet 71 is depressed; 8 of start buttons are connected the power supply of motor 2 when pushing, controlling the initial supply of motor power.In addition, also comprise gathering sill 9, limit breach 10, auxiliary wheel 11 and support lugn 62, gathering sill 9 and qualification breach 10 all are fixed on the surface of housing 1, and gathering sill 9 is between machine shaft 21 and pull bar 5, and lever 4 then is arranged in gathering sill 9; Limit the bottom that breach 10 is positioned at housing 1 surface, the top of arm-tie 6 is arranged in to limit and lacks 10; Two auxiliary wheels 11 are fixed on to limit and lack 10 breach two ends, and two auxiliary wheels 11 are inwardly charged into, and the surface of two auxiliary wheels 11 is attached on the outer surface of arm-tie 6, and the outer surface of arm-tie 6 and the lower edge that limits breach 10 are kept apart; Support lugn 62 is formed on the arm-tie 6, is positioned at the top of projected claw 61.Moreover when motor 2 gets electric work, machine shaft 21 will drive shifting block 3 and rotate, make the pressing lever 32 of shifting block 3 leave the compressing tablet 71 of sensitive switch 7, then, the cantilever arm 31 of shifting block 3 contacts with the roller 42 of lever 4, and not open close roller 42 excessively lifts the free end of lever 4, subsequently, reach the roller 42 of lever 4 is lifted to peak, and separate with roller 42 herein, last, shifting block 3 is got back to initial position, and its pressing lever 32 is depressed on the compressing tablet 71 of sensitive switch.
This mechanism when work, the power supply that can be provided to motor 2 short time by start button 8, leave the compressing tablet 71 of push switch 7 when pressing lever 32 after because push switch 7 is in free state and connects the power supply of motor 2, make motor 2 to work on; When the free end of lever 4 constantly lifts under the control of gathering sill 9, to drive arm-tie 6 reposefully by pull bar 5, and under the help of two auxiliary wheels 11, in limiting breach 10, move up exactly, by the cocked equably circuit breaker handle A1 of projected claw 61, circuit breaker A is closed a floodgate; In addition, circuit breaker A closes a floodgate, when handle A1 pulls, support lugn 62 be positioned at circuit breaker handle A1 above, under the support of handle, can make lever 4 free-ended rollers 42 can remain on height and put and can not fall down, guarantee can not constitute influence to being rotated further of shifting block cantilever arm 31; Moreover when compressing tablet 71 is pressed bar 32 when depressing, push switch 7 just cuts off the power supply of motor 2 in time, and motor 2 stops operating.Like this, just, finished the closing operation of a circuit breaker.
Claims (10)
1. the electric control switch-on operating mechanism of a miniature circuit breaker is characterized in that, comprising:
A housing;
A motor that is fixed on the housing;
A shifting block that is fixed on the machine shaft has pressing lever and cantilever arm on the shifting block;
A lever, its run-on point is connected on the housing;
A pull bar, the one end is connected on the lever;
An arm-tie that is connected in the pull bar other end, this arm-tie are formed with the projected claw that can cooperate with the miniature circuit breaker handle;
A sensitive switch that is fixed on the housing, this sensitive switch pressured state just cut off the motor power free state and then are communicated with motor power;
Start button for people's operation, or one group of contact of the relay of remote control equipment are being controlled the initial supply of motor power;
Described pull bar has at least an end to be rendered as bifurcation shape, forms bifurcated, and an end of bifurcation shape is placed on described lever or the described arm-tie, and by a hole of passing on pull bar bifurcation shape one end and lever or the arm-tie, constitutes pull bar and lever or the relatively turnable flexible connection of arm-tie;
Described shifting block is in rotating process, and its cantilever arm can contact with the effect piece on the described lever, drives described lever and lifts, and separating with the effect piece subsequently; Its pressing lever acted on the sensitive switch when described shifting block was got back to initial position in rotation process.
2. according to the electric control switch-on operating mechanism of the miniature circuit breaker of claim 1, it is characterized in that the free-ended effect piece of lever is a roller, the upper rear portion of shifting block cantilever arm also is made into arc.
3. according to the electric control switch-on operating mechanism of the miniature circuit breaker of claim 1 or 2, it is characterized in that, is that a gathering sill is brought up in the rotation of lever, and this gathering sill is fixed on the surface of housing, between machine shaft and pull bar.
4. according to the electric control switch-on operating mechanism of the miniature circuit breaker of claim 1 or 2, it is characterized in that, bring up one for moving up and down of arm-tie and limit breach, this qualification breach is fixed in the bottom of surface of shell, be positioned at the below of pull bar, can make the projected claw of arm-tie be in the below, and the top of arm-tie is arranged in this qualification breach by this qualification breach.
5. according to the electric control switch-on operating mechanism of the miniature circuit breaker of claim 3, it is characterized in that, bring up one for moving up and down of arm-tie and limit breach, this qualification breach is fixed in the bottom of surface of shell, be positioned at the below of pull bar, can make the projected claw of arm-tie be in the below, and the top of arm-tie is arranged in this qualification breach by this qualification breach.
6. according to the electric control switch-on operating mechanism of the miniature circuit breaker of claim 4, it is characterized in that in the two ends that limit breach auxiliary wheel is installed all, auxiliary wheel is charged into to breach, can be fitted with the surface of arm-tie in the surface of two auxiliary wheels.
7. according to the electric control switch-on operating mechanism of the miniature circuit breaker of claim 5, it is characterized in that in the two ends that limit breach auxiliary wheel is installed all, auxiliary wheel is charged into to breach, can be fitted with the surface of arm-tie in the surface of two auxiliary wheels.
8. according to the electric control switch-on operating mechanism of the miniature circuit breaker of claim 1, it is characterized in that arm-tie also is formed with a support lugn in the top of projected claw.
9. according to the electric control switch-on operating mechanism of the miniature circuit breaker of claim 6, it is characterized in that arm-tie also is formed with a support lugn in the top of projected claw.
10. according to the electric control switch-on operating mechanism of the miniature circuit breaker of claim 7, it is characterized in that arm-tie also is formed with a support lugn in the top of projected claw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200579269U CN201514865U (en) | 2009-05-31 | 2009-05-31 | Electric-controlled closing operation mechanism for small-sized breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200579269U CN201514865U (en) | 2009-05-31 | 2009-05-31 | Electric-controlled closing operation mechanism for small-sized breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201514865U true CN201514865U (en) | 2010-06-23 |
Family
ID=42486277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200579269U Expired - Fee Related CN201514865U (en) | 2009-05-31 | 2009-05-31 | Electric-controlled closing operation mechanism for small-sized breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201514865U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102592898A (en) * | 2012-03-01 | 2012-07-18 | 法泰电器（江苏）股份有限公司 | Operating mechanism for automatic reclosing circuit-breaker |
| CN107910212A (en) * | 2017-12-15 | 2018-04-13 | 海格电气（惠州）有限公司 | A kind of signal output apparatus of trigger mechanism |
| CN111048328A (en) * | 2020-01-14 | 2020-04-21 | 永康串行电子有限公司 | Air electric switch capable of automatically closing |
-
2009
- 2009-05-31 CN CN2009200579269U patent/CN201514865U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102592898A (en) * | 2012-03-01 | 2012-07-18 | 法泰电器（江苏）股份有限公司 | Operating mechanism for automatic reclosing circuit-breaker |
| CN107910212A (en) * | 2017-12-15 | 2018-04-13 | 海格电气（惠州）有限公司 | A kind of signal output apparatus of trigger mechanism |
| CN111048328A (en) * | 2020-01-14 | 2020-04-21 | 永康串行电子有限公司 | Air electric switch capable of automatically closing |
| CN111048328B (en) * | 2020-01-14 | 2020-09-01 | 永康串行电子有限公司 | Air electric switch capable of automatically closing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100623 Termination date: 20170531 |