CN203707051U - Minisize breaker - Google Patents
Minisize breaker Download PDFInfo
- Publication number
- CN203707051U CN203707051U CN201420068861.9U CN201420068861U CN203707051U CN 203707051 U CN203707051 U CN 203707051U CN 201420068861 U CN201420068861 U CN 201420068861U CN 203707051 U CN203707051 U CN 203707051U
- Authority
- CN
- China
- Prior art keywords
- ratchet
- circuit breaker
- switch
- core
- miniature circuit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
Landscapes
- Breakers (AREA)
Abstract
The utility model discloses a minisize breaker. The breaker comprises a minisize breaker housing, a release and an operation mechanism, wherein the release and the operation mechanism are disposed on the minisize breaker housing. The operation mechanism is linked to a switch rotary core. A ratchet wheel is disposed on the switch rotary core. The ratchet wheel is cooperated with a large gear. The back surface of the large gear is provided with a large gear ratchet in cooperation with the ratchet wheel. An iron sheet is disposed between the large gear and the ratchet wheel. The gear is engaged with a small gear. The small gear sleeves an output shaft of an automatic tripping motor. The switch rotary core is provided with a handle. The handle is connected to the switch rotary core through a rotating shaft that moves along a shaft of the switch rotary core. Mainly, the minisize breaker is switched without hand operation, automatically meets the requirements of manual closing and automatic closing, and is simple in structure, convenient in operation, and high in safety coefficient.
Description
Technical field
The utility model belongs to technical field of electric appliances, is specifically related to a kind of miniature circuit breaker.
Background technology
Circuit breaker: can connection, electric current under carrying and disjunction normal circuit condition, also can under the improper circuit condition of regulation, connect or carry when combined failure certain hour and or a kind of mechanical switch electrical equipment of breaking current.The effect of circuit breaker is that industry is known, under normal condition, ensures that electric loop is the unimpeded of circuit; Break down and produce short circuit current or while causing overcurrent by overload, make electrical equipment load realize and separating with supply network when loop.Circuit breaker generally includes dynamic and static contact group for this reason.Miniature circuit breaker utilizes magnetictrip and electrical current heat element to realize short-circuit protection and overcurrent protection; in the time that the short circuit current passing through in coil is greater than the current value of setting; the moving iron core action of magnetictrip; promote to hit bar and clash into operating mechanism; make operating mechanism release, drive moving contact to separate with quiet contact.
Miniature circuit breaker, is called for short MCB (Micro Circuit Breaker), is most popular a kind of terminal protection electrical equipment during architectural electricity terminal power distribution equipment draws.For protections such as the short circuit of single-phase, the three-phase below 125A, overload, overvoltages, comprise one pole 1P, four kinds of two utmost point 2P, three utmost point 3P, four utmost point 4P etc.
At present, miniature circuit breaker on the market cannot be realized does not need manual switchover, just can automatically adapt to manually and the requirement of automatic closing.
Summary of the invention
The utility model is in order to overcome deficiency of the prior art, provides one not need manual switchover, automatically adapts to the requirement of closing by hand and automatic closing, simple in structure, easy to operate, the miniature circuit breaker that coefficient of safety is high.
To achieve these goals, the utility model is by the following technical solutions:
A kind of miniature circuit breaker of the present utility model, comprise miniature circuit breaker housing, the release that miniature circuit breaker housing is provided with, operating mechanism, described operating mechanism and switch turn core interlock, described switch turns core and is provided with ratchet, described ratchet coordinates with gear wheel, the rear surface of described gear wheel is provided with the gear wheel ratchet that can coordinate with ratchet, between described gear wheel and ratchet, be provided with iron plate, described gear can engage with pinion, described pinion is socketed on the output shaft of motor, described switch turns core and is provided with handle, described handle turns core by rotating shaft and switch and is connected, described rotating shaft can turn core along switch and move axially.Wherein, the rear surface of gear wheel is provided with the gear wheel ratchet that can coordinate with ratchet, rotates thereby gear wheel can drive switch to turn core.Between gear wheel and ratchet, be provided with iron plate, in the time that needs are realized closing by hand, coordinate with iron plate by ratchet, gear wheel and ratchet are departed from, in the time pulling handle, switch turns core and does not just link together with gear wheel, thereby has reduced the resistance in the time of closing by hand, has also improved the coefficient of safety of circuit breaker simultaneously.Handle turns core by rotating shaft and switch and is connected, and rotating shaft can turn core along switch and move axially, and in the time of needs closing by hand, just can ratchet be coordinated with iron plate by moving handle, thereby gear wheel and ratchet are departed from.
As preferably, described iron plate is provided with semicircle window, described ratchet with can coordinate at described semicircular window by gear wheel.Wherein, semicircular window forms a spacing window, just cannot coordinate with gear wheel, thereby make in realizing closing by hand resistance little in the time that ratchet departs from semicircle window, and coefficient of safety is high.When needs carry combined floodgate, make ratchet and can coordinate at described semicircular window by gear wheel, make gear wheel drive switch to turn core rotation and realize automatic closing.
As preferably, described semicircular window lower limb is provided with inclined-plane, and described inclined-plane can coordinate with ratchet, and the bottom of described iron plate is provided with detent.Wherein, to be provided with detent be the coefficient of stability in order to make to strengthen iron plate in the bottom of iron plate.Inclined-plane is set, and is in order to make ratchet can depart from semicircle window.
As preferably, described miniature circuit breaker housing forms bilayer or sandwich construction side by side along lateral thickness direction, and the thickness of described every layer is one pole 1P, and every layer is respectively equipped with inlet wire port.
As preferably, the ratchet ratchet arranging on described ratchet becomes sector structure.Wherein, ratchet ratchet becomes sector structure to coordinate with inclined-plane, realizes the switching inside and outside semicircle window.
As preferably, described pinion is provided with a push-on switch, and described push-on switch opens or closes and can make pinion with gear wheel engagement or separate.Wherein, recommendation switch being set, is in order to improve coefficient of safety, in the time realizing closing by hand, can promote push-on switch pinion and gear wheel are departed from.In the time realizing automatic closing, promote push-on switch pinion is engaged with gear wheel, realize pinion and drive gear wheel interlock.
As preferably, described handle front end is provided with the first groove, and described the first groove can coordinate with the first convex body that switch turns on core.Wherein, the first groove can coordinate with the first convex body that switch turns on core, can in moving handle, well turn core with switch and coordinate, and makes switch turn core and handle interlock, meanwhile, can promote again ratchet and coordinate the disengaging that realizes ratchet and gear wheel with iron plate.
As preferably, described handle rear end is provided with the second groove, and described the second groove can coordinate with the second convex body that switch turns on core.Wherein, the second groove being set can turn the second convex body on core with switch and coordinate and can strengthen handle and turn with switch the stability that core coordinates.
As preferably, in the middle part of described handle, be provided with the 3rd groove, described the 3rd groove can coordinate with the spacing catch that switch turns on core.
As preferably, described switch turns that on core, this has back-moving spring, and described back-moving spring is located between rotating shaft and ratchet.Wherein, back-moving spring is set, in the time that closing by hand is transformed into automatic closing, driving handle, coordinates with iron plate because back-moving spring can promote ratchet, and making ratchet move to semicircle window can be ready for automatic closing.
Therefore, the utlity model has following beneficial effect: simple in structure, easy to operate, coefficient of safety is high, can realize automatic closing does not need manual switchover simultaneously, automatically adapts to the requirement of closing by hand and automatic closing.
Brief description of the drawings
Fig. 1 is the front view of the utility model miniature circuit breaker;
Fig. 2 is the structural representation of the utility model iron plate;
Fig. 3 is the structural representation that the utility model gear wheel coordinates with ratchet;
Fig. 4 is the utility model gear wheel structural representation;
Fig. 5 is the stereogram of the utility model miniature circuit breaker;
Fig. 6 is the end view of the utility model miniature circuit breaker;
Fig. 7 is that the utility model handle turns with switch the structural representation that core coordinates;
In figure: miniature circuit breaker housing 1, gear wheel 2, pinion 3, push-on switch 31, release 4, operating mechanism 5, iron plate 6, semicircle window 61, inclined-plane 62, detent 63, handle 7, rotating shaft 71, the first groove 72, the 3rd groove 73, ratchet 8, switch turn core 9, the first convex body 91.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is further described.
Embodiment 1: as Fig. 1, shown in Fig. 3, a kind of miniature circuit breaker, comprise miniature circuit breaker housing 1, the release 4 that miniature circuit breaker housing 1 is provided with, operating mechanism 5, operating mechanism 5 turns core 9 with switch and links, switch turns core 9 and is provided with ratchet 8, ratchet 8 coordinates with gear wheel 2, the rear surface of gear wheel 2 is provided with the gear wheel ratchet that can coordinate with ratchet 8, between gear wheel 2 and ratchet 8, be provided with iron plate 6, gear can engage with pinion 3, pinion 3 is socketed on the output shaft of motor, switch turns core 9 and is provided with handle 7, handle 7 turns core 9 by rotating shaft 71 and switch and is connected, rotating shaft 71 can turn core 9 along switch and move axially.
As shown in Figure 3, Figure 4, wherein, the rear surface of gear wheel 2 is provided with the gear wheel ratchet that can coordinate with ratchet 8, rotates thereby gear wheel 2 can drive switch to turn core 9.Between gear wheel 2 and ratchet 8, be provided with iron plate 6, in the time that needs are realized closing by hand, coordinate with iron plate 6 by ratchet 8, gear wheel 2 and ratchet 8 are departed from, in the time pulling handle 7, switch turns just not interlock together with gear wheel 2 of core 9, thereby has reduced the resistance in the time of closing by hand, has also improved the coefficient of safety of circuit breaker simultaneously.Handle 7 turns core 9 by rotating shaft 71 and switch and is connected, and rotating shaft 71 can turn core 9 along switch and move axially, and in the time of needs closing by hand, just can ratchet 8 be coordinated with iron plate 6 by moving handle 7, thereby gear wheel 2 and ratchet 8 are departed from.
As shown in Figure 2 and Figure 3, iron plate 6 is provided with semicircle window 61, and ratchet 8 can coordinate at semicircular window with energy gear wheel 2.Wherein, semicircular window forms a spacing window, just cannot coordinate with gear wheel 2, thereby make in realizing closing by hand resistance little in the time that ratchet 8 departs from semicircle window 61, and coefficient of safety is high.When needs carry combined floodgate, make ratchet 8 and can coordinate at semicircular window by gear wheel 2, make gear wheel 2 drive switch to turn core 9 rotations and realize automatic closing.Semicircular window lower limb is provided with inclined-plane 62, and inclined-plane 62 can coordinate with ratchet 8, and the bottom of iron plate 6 is provided with detent 63.Wherein, to be provided with detent 63 are the coefficients of stability in order to make to strengthen iron plate 6 in the bottom of iron plate 6.Inclined-plane 62 is set, and is in order to make ratchet 8 can depart from semicircle window 61.
As shown in Figure 6, miniature circuit breaker housing 1 forms bilayer or sandwich construction side by side along lateral thickness direction, and the thickness of every layer is one pole 1P, and every layer is respectively equipped with inlet wire port.Ratchet 8 ratchets that arrange on ratchet 8 become sector structure.Wherein, ratchet ratchet becomes sector structure to coordinate with inclined-plane 62, realizes in the inside and outside switching of semicircle window 61.
As shown in Figure 5, pinion 3 is provided with a push-on switch 31, and push-on switch 31 opens or closes and can make pinion 3 engage or separate with gear wheel 2.Wherein, recommendation switch being set, is in order to improve coefficient of safety, in the time realizing closing by hand, can promote push-on switch 31 pinion 3 and gear wheel 2 are departed from.In the time realizing automatic closing, promote push-on switch 31 pinion 3 is engaged with gear wheel 2, realize pinion 3 and drive gear wheel 2 to link.
As shown in Fig. 3, Fig. 7, handle 7 front ends are provided with the first groove 72, the first grooves 72 and can coordinate with the first convex body 91 that switch turns on core 9.Wherein, the first groove 72 can coordinate with the first convex body 91 that switch turns on core 9, can in moving handle 7, well turn core 9 with switch and coordinate, and makes switch turn core 9 and links with handle 7, meanwhile, can promote again ratchet 8 and coordinate the disengaging that realizes ratchet 8 and gear wheel 2 with iron plate 6.Handle 7 rear ends are provided with the second groove, and the second groove can coordinate with the second convex body that switch turns on core 9.Wherein, the second groove being set can turn the second convex body on core 9 with switch and coordinate and can strengthen handle 7 and turn with switch the stability that core 9 coordinates.Handle 7 middle parts are provided with the 3rd groove 73, the three grooves 73 and can coordinate with the spacing catch that switch turns on core 9.Switch turns that on core 9, this has back-moving spring, and back-moving spring is located between rotating shaft 71 and ratchet 8.Wherein, back-moving spring is set, in the time that closing by hand is transformed into automatic closing, driving handle 7, coordinates with iron plate 6 because back-moving spring just can promote ratchet 8, and making ratchet 8 move to semicircle window 61 can be ready for automatic closing.
In miniature circuit breaker automatic closing, drive pinion 3 above by motor, pinion 3 engages with handle 7 gear wheel 2 above, take turns and cannot separate because the principle gear wheel 2 of click turns core 9 with switch, switch turns core 9 and is following the rotation of gear wheel 2 and rotating, the rotation that switch turns core 9 has also driven the combined floodgate motion of whole handle 7, thereby is with pneumatic operating mechanism 5 to realize automatic switching-in function.
In miniature circuit breaker closing by hand, handle 7 moves down, thereby extruding ratchet 8 makes ratchet 8 coordinate with iron plate 6 ramps 62, thereby ratchet 8 is rotated to departing from semicircle window 61 positions, ratchet 8 cannot be coordinated with gear wheel 2.When pulling handle 7, handle 7 will drive switch to turn core 9 and rotate, thereby switch turns core band, pneumatic operating mechanism 5 is realized closing by hand.
Claims (10)
1. a miniature circuit breaker, comprise miniature circuit breaker housing, the release that miniature circuit breaker housing is provided with, operating mechanism, it is characterized in that: described operating mechanism and switch turn core interlock, described switch turns core and is provided with ratchet, described ratchet coordinates with gear wheel, the rear surface of described gear wheel is provided with the gear wheel ratchet that can coordinate with ratchet, between described gear wheel and ratchet, be provided with iron plate, described gear can engage with pinion, described pinion is socketed on the output shaft of motor, described switch turns core and is provided with handle, described handle turns core by rotating shaft and switch and is connected, described rotating shaft can turn core along switch and move axially.
2. miniature circuit breaker according to claim 1, is characterized in that: described iron plate is provided with semicircle window, and described ratchet can coordinate at described semicircular window with energy gear wheel.
3. miniature circuit breaker according to claim 2, is characterized in that: described semicircular window lower limb is provided with inclined-plane, and described inclined-plane can coordinate with ratchet, and the bottom of described iron plate is provided with detent.
4. according to the miniature circuit breaker described in claim 1 or 2 or 3, it is characterized in that: described miniature circuit breaker housing forms bilayer or sandwich construction side by side along lateral thickness direction, the thickness of described every layer is one pole 1P, and every layer is respectively equipped with inlet wire port.
5. according to the miniature circuit breaker described in claim 1 or 2 or 3, it is characterized in that: the ratchet ratchet arranging on described ratchet becomes sector structure.
6. according to the miniature circuit breaker described in claim 1 or 2 or 3, it is characterized in that: described pinion is provided with a push-on switch, described push-on switch opens or closes and can make pinion with gear wheel engagement or separate.
7. according to the miniature circuit breaker described in claim 1 or 2 or 3, it is characterized in that: described handle front end is provided with the first groove, described the first groove can coordinate with the first convex body that switch turns on core.
8. according to the miniature circuit breaker described in claim 1 or 2 or 3, it is characterized in that: described handle rear end is provided with the second groove, described the second groove can coordinate with the second convex body that switch turns on core.
9. according to the miniature circuit breaker described in claim 1 or 2 or 3, it is characterized in that: described handle middle part is provided with the 3rd groove, and described the 3rd groove can coordinate with the spacing catch that switch turns on core.
10. according to the miniature circuit breaker described in claim 1 or 2 or 3, it is characterized in that: described switch turns that on core, this has back-moving spring, and described back-moving spring is located between rotating shaft and ratchet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420068861.9U CN203707051U (en) | 2014-02-18 | 2014-02-18 | Minisize breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420068861.9U CN203707051U (en) | 2014-02-18 | 2014-02-18 | Minisize breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203707051U true CN203707051U (en) | 2014-07-09 |
Family
ID=51057450
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420068861.9U Withdrawn - After Issue CN203707051U (en) | 2014-02-18 | 2014-02-18 | Minisize breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203707051U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103811236A (en) * | 2014-02-18 | 2014-05-21 | 华威博奥电力设备有限公司 | Miniature circuit breaker |
| CN104599914A (en) * | 2015-01-30 | 2015-05-06 | 浙江天正电气股份有限公司 | Mini-type circuit breaker |
-
2014
- 2014-02-18 CN CN201420068861.9U patent/CN203707051U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103811236A (en) * | 2014-02-18 | 2014-05-21 | 华威博奥电力设备有限公司 | Miniature circuit breaker |
| CN103811236B (en) * | 2014-02-18 | 2016-01-13 | 华威博奥电力设备有限公司 | Miniature circuit breaker |
| CN104599914A (en) * | 2015-01-30 | 2015-05-06 | 浙江天正电气股份有限公司 | Mini-type circuit breaker |
| CN104599914B (en) * | 2015-01-30 | 2017-02-22 | 浙江天正电气股份有限公司 | Mini-type circuit breaker |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102969209B (en) | A kind of automatic reclosing transmission mechanism | |
| CN104485264B (en) | A kind of Minitype electrical leakage breaker reclosing device | |
| CN204966424U (en) | Electrically -operated device and miniature circuit breaker | |
| CN203644717U (en) | Electric control moulded case circuit breaker and logic interlock moulded case circuit breaker | |
| CN203707051U (en) | Minisize breaker | |
| CN103021751B (en) | A kind of automatic reclosing intelligent controller | |
| CN103811236B (en) | Miniature circuit breaker | |
| CN107230601B (en) | A kind of external small type circuit breaker operating mechanism of electric energy meter | |
| CN103594298A (en) | Electric control molded case circuit breaker and logic interlocking type molded case circuit breaker | |
| CN204315483U (en) | A kind of Minitype electrical leakage breaker reclosing device | |
| CN106229230B (en) | The external breaker of electric energy meter | |
| CN203038877U (en) | Automatic re-switching on intelligent controller | |
| CN209282153U (en) | A kind of electrically operated device drive transmission device | |
| CN201898081U (en) | Spring operating mechanism for vacuum switch | |
| CN204407268U (en) | A kind of miniature circuit breaker switching off/on device | |
| CN203733724U (en) | Miniature circuit breaker with electrical control logic circuit | |
| CN105489452B (en) | Miniature circuit breaker and its operating method with automatic closing and separating brake function | |
| CN103811232B (en) | There is the miniature circuit breaker of automatically controlled logical circuit | |
| CN205911272U (en) | External miniature circuit breaker operating device of electric energy meter | |
| CN104517788B (en) | Miniature circuit breaker | |
| CN203746768U (en) | Breaker switching-off and switching-on apparatus integrated transmission sheet | |
| CN205376445U (en) | Miniature circuit breaker with automatic combined floodgate and separating brake function | |
| CN204332873U (en) | Circuit breaker reclosing device Handleset | |
| CN105374647B (en) | A kind of automatic closing breaker | |
| CN204257459U (en) | The electric control system of two ground connection high voltage isolating switch operating mechanism |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140709 Effective date of abandoning: 20160113 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |