CN202839502U - Circuit breaker mechanism and bipolar circuit breaker using same - Google Patents
Circuit breaker mechanism and bipolar circuit breaker using same Download PDFInfo
- Publication number
- CN202839502U CN202839502U CN 201220564499 CN201220564499U CN202839502U CN 202839502 U CN202839502 U CN 202839502U CN 201220564499 CN201220564499 CN 201220564499 CN 201220564499 U CN201220564499 U CN 201220564499U CN 202839502 U CN202839502 U CN 202839502U
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- dropout
- gear frame
- fork
- tripping
- rotating turret
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Abstract
The utility model relates to a circuit breaker mechanism and a bipolar circuit breaker using the same. The circuit breaker mechanism comprises a knob, a swing rod arranged on the knob, a transmission frame driven by the swing rod, a rotating frame for driving the swing rod and the transmission frame to be tripped, and two tripping pieces for respectively driving the rotating frame, wherein the rotating frame is hinged on the transmission frame; a first tripping convex block and a second tripping convex block are respectively arranged on two sides of the rotating frame; the tripping pieces are positioned on two sides of the rotating frame; push parts are arranged on the tripping pieces; and the push part on the tripping piece on one side drives the first tripping convex block, and the push part on the tripping piece on the other side drives the second tripping convex block. The circuit breaker mechanism has the advantages of simple structure, small number of parts and sensitive movement; the rotating frame is respectively driven by the two tripping pieces, so that the using range of the circuit breaker mechanism is expanded; furthermore, the sliding push parts for pressing the transmission frame in a sliding manner are arranged on the tripping pieces, so that a forcible cut-off function is realized; and the switch-off operation performance of a switch is stabilized.
Description
Technical field
The utility model relates to a kind of breaker mechanism, and the utility model also relates to a kind of double-pole cut-out that uses this breaker mechanism.
Background technology
At present, the kind of circuit breaker is varied, and operation principle is also different.A class circuit breaker wherein; inner adopt the circuit protection mechanism such as short circuit current relay, bimetal leaf and the tripping mechanism of the action that matches with these protection mechanisms; and moving contact is located on the tripping mechanism; by the corresponding actions of circuit protection mechanism to the situations such as appearance overload, short circuit in the circuit; drive and take off the mouth mechanism action and then moving contact is separated with fixed contact, realize the disconnection protection of circuit.
In such circuit breaker, programme element mainly concentrates on the structure that engages/throw off of the relation of being linked of circuit protection mechanism and tripping mechanism and tripping mechanism self.The present double-pole cut-out on the market two cover tripping mechanisms that adopt more, and the knob of two cover tripping mechanisms is linked together, although this technical scheme has satisfied the specification requirement of double-pole cut-out, wherein install two cover tripping mechanism costs higher, install complicated, volume is large.
The utility model content
Technical problem to be solved in the utility model is to overcome the deficiency of above-mentioned prior art, provide a kind of simple in structure, be active in one's movements, breaker mechanism that volume is little.
Technical problem to be solved in the utility model is to overcome the deficiency of above-mentioned prior art, provide a kind of simple in structure, be active in one's movements, double-pole cut-out that volume is little.
The main technical schemes that the breaker mechanism that provides according to the utility model adopts is: comprise knob, be arranged on the fork on the described knob, gear frame by described fork driving, drive rotating turret and two dropout parts that drive respectively described rotating turret that described fork and described gear frame are threaded off, described rotating turret is hinged on the described gear frame, described rotating turret both sides are respectively equipped with the first dropout projection and the second dropout projection, described dropout part is positioned at described rotating turret both sides, described dropout part is provided with the pushing part, wherein the pushing part on the described dropout part of a side drives described the first dropout projection, and the pushing part on the described dropout part of an other side drives described the second dropout projection.
The breaker mechanism that the utility model provides also adopts following attached technical scheme:
Described dropout part is provided with the section of pushing to slide, and described gear frame is provided with pressure-bearing surface, the described described pressure-bearing surface of section's sliding pressure that pushes to slide.
Described gear frame is provided with the hook part, matches with described fork in described hook part.
Described rotating turret top is provided with groove, and described fork bottom is positioned at described groove, and the both sides of described groove are formed with respectively be used to the pushing part that promotes to thread off in described fork and described hook part and the described fork of guiding playbacks in the guiding surface of groove.
Described groove and described hook part are positioned on the same level face, and described fork bottom is positioned at described groove, and described hook part is pressed against on the described fork.
Also be provided with the first operand and the second operand on the described dropout part.
The main technical schemes that the double-pole cut-out that provides according to the utility model adopts is: comprise housing; be arranged on the protective device in the described housing; contact assembly and operating mechanism; described contact assembly is two groups; each group comprises fixed contact parts and the moving contact part that cooperatively interacts; described protective device is two covers; be connected with one group of described contact assembly respectively; described protective device drives described operating mechanism action; described operating mechanism drives described moving contact part; described operating mechanism comprises knob; be arranged on the fork on the described knob; gear frame by described fork driving; drive rotating turret and two dropout parts that drive respectively described rotating turret that described fork and described gear frame are threaded off; described rotating turret is hinged on the described gear frame; described rotating turret both sides are respectively equipped with the first dropout projection and the second dropout projection; described dropout part is positioned at described rotating turret both sides; described dropout part is provided with the pushing part; wherein the pushing part on the described dropout part of a side drives described the first dropout projection, and the pushing part on the described dropout part of an other side drives described the second dropout projection.
The double-pole cut-out that the utility model provides also adopts following attached technical scheme:
Described protective device comprises electromagnetic protection device and thermel protection device, and described electromagnetic protection device and thermel protection device link together, and described electromagnetic protection device and thermel protection device touch respectively described the first operand and the second operand.
Described moving contact part comprises action contact frame and moving contact, be provided with chute in the described action contact frame, described moving contact is positioned at described chute, is provided with spring in the described chute, described spring promotes described moving contact and leans at described chute top, and described action contact frame is connected with described gear frame.
Be provided with the slideway that limits described gear frame movement locus in the described housing, described gear frame both sides are positioned at described slideway, and described gear frame both sides are provided with reseting pressuring spring, and described gear frame and described housing are pressed respectively in the two ends of described reseting pressuring spring.
The breaker mechanism that provides according to the utility model compared with prior art has following advantage: the breaker mechanism in the utility model is simple in structure, parts are few, be active in one's movements, drive respectively rotating turret by two dropout parts, having enlarged this breaker mechanism is the scope of application, simultaneously, the section that pushes to slide of sliding pressure gear frame is set at the dropout part, increase forced switching-off function, stable switch disconnects performance.
The double-pole cut-out that provides according to the utility model compared with prior art has following advantage: the double-pole cut-out in the utility model drives two groups of contact assemblies simultaneously by an operating mechanism; and drive respectively the operating mechanism action by two cover protective devices; reasonable in design; save material; improved production efficiency; reduce the production cost of product, and dwindled the volume of housing.
Description of drawings
Fig. 1 is the structure chart of the utility model breaker mechanism.
Fig. 2 is the STRUCTURE DECOMPOSITION figure of the utility model breaker mechanism.
Fig. 3 is the structure chart one of rotating turret in the utility model breaker mechanism.
Fig. 4 is the structure chart two of rotating turret in the utility model breaker mechanism.
Fig. 5 is the structure chart three of rotating turret in the utility model breaker mechanism.
Fig. 6 is the structure chart of dropout part in the utility model breaker mechanism.
Fig. 7 is the STRUCTURE DECOMPOSITION figure of the utility model double-pole cut-out.
Fig. 8 is the cutaway view of the utility model double-pole cut-out.
Fig. 9 is the structure chart that operating mechanism and moving contact part link together in the utility model double-pole cut-out.
Figure 10 is the structure chart of protective device in the utility model double-pole cut-out.
Figure 11 is the off-state figure in the use procedure of the utility model double-pole cut-out.
Figure 12 is the closure state figure in the use procedure of the utility model double-pole cut-out.
Figure 13 is the trip status figure in the use procedure of the utility model double-pole cut-out.
Embodiment
Referring to Fig. 1 to Fig. 6, the breaker mechanism embodiment that provides according to the utility model, comprise knob 31, be arranged on the fork 32 on the described knob 31, gear frame 33 by described fork 32 drivings, drive rotating turret 34 and two dropout parts 35 that drive respectively described rotating turret 34 that described fork 32 and described gear frame 33 are threaded off, described rotating turret 34 is hinged on the described gear frame 33, described rotating turret 34 both sides are respectively equipped with the first dropout projection 341 and the second dropout projection 342, described dropout part 35 is positioned at described rotating turret 34 both sides, described dropout part 35 is provided with pushing part 351, wherein the pushing part on the described dropout part 35 of a side 351 drives described the first dropout projection 341, and the pushing part 351 on the described dropout part 35 of an other side drives described the second dropout projection 342.Breaker mechanism in the utility model is simple in structure, parts are few, be active in one's movements, this breaker mechanism drives rotating turret 34 by two identical dropout parts 35 by the different parts on the pushing part 351 and rotates to same direction, structure is ingenious, reasonable in design, help the rational deployment of circuit breaker internal structure, and enlarged the scope of application of this breaker mechanism.
Referring to Fig. 2 and Fig. 6, according to the above-mentioned breaker mechanism embodiment that the utility model provides, described dropout part 35 is provided with the section of pushing to slide 352, and described gear frame 33 is provided with pressure-bearing surface 331, the described described pressure-bearing surface 331 of section's 352 sliding pressures that pushes to slide.At dropout part 35 section that pushes to slide 352 of sliding pressure gear frame 33 is set, increases forced switching-off function, stable switch disconnects performance.
Referring to Fig. 1 to Fig. 5, according to the above-mentioned breaker mechanism embodiment that the utility model provides, described gear frame 33 is provided with hook part 332, matches with described fork 32 in described hook part 332.Described rotating turret 34 tops are provided with groove 343, described fork 32 bottoms are positioned at described groove 343, and the both sides of described groove 343 are formed with respectively be used to promoting described fork 32 playbacks in the guiding surface 345 of groove 343 with the described fork 32 of guiding with the pushing part 344 of threading off in described hook part 332.Described groove 343 is positioned on the same level face with described hook part 332, and described fork 32 bottoms are positioned at described groove 343, and described hook part 332 is pressed against on the described fork 32.The groove 343 of rotating turret 34 and the hook part 332 of gear frame 33 are set up in parallel, and be positioned on the same level face, the both sides with groove 343 are made as respectively pushing part 344 and guiding surface 345 simultaneously, have reduced the linkage part in this operating mechanism, raw material have been saved, the efficiency of assembling that has improved; When concrete the use, the reduction of linkage part helps to improve the reaction speed of breaker mechanism, when being used in circuit breaker, and can be in time with circuitry cuts when situation appears in circuit.
Referring to Fig. 6, the above-mentioned breaker mechanism embodiment according to the utility model provides also is provided with the first operand 353 and the second operand 354 on the described dropout part 35.At dropout part 35 two operands are set, so that dropout part 35 can be driven by a plurality of power sources, have enlarged the scope of application of this breaker mechanism.
Referring to Fig. 7 to Fig. 9; the double-pole cut-out embodiment that provides according to the utility model; comprise housing 1; be arranged on the protective device 2 in the described housing; contact assembly 4 and operating mechanism 3; described contact assembly 4 is two groups; each group comprises fixed contact parts 41 and the moving contact part 42 that cooperatively interacts; described protective device 2 is two covers; be connected with one group of described contact assembly 4 respectively; described protective device 2 drives described operating mechanism 3 actions; described operating mechanism 3 drives described moving contact part 42; described operating mechanism 3 comprises knob 31; be arranged on the fork 32 on the described knob 31; gear frame 33 by described fork 32 drivings; drive rotating turret 34 and two dropout parts 35 that drive respectively described rotating turret 34 that described fork 32 and described gear frame 33 are threaded off; described rotating turret 34 is hinged on the described gear frame 35; described rotating turret 34 both sides are respectively equipped with the first dropout projection 341 and the second dropout projection 342; described dropout part 35 is positioned at described rotating turret 34 both sides; described dropout part 35 is provided with pushing part 351; wherein the pushing part on the described dropout part 35 of a side 351 drives described the first dropout projection 341, and the pushing part on the described dropout part 35 of an other side drives described the second dropout projection 342.Operating mechanism in the utility model is active in one's movements, compact conformation, parts are few, volume is little, and are easy for installation, saves material; The utility model drives two groups of contact assemblies 4 simultaneously by an operating mechanism 3 simultaneously, and drives respectively operating mechanism 3 actions by two cover protective devices 2, and is reasonable in design, saves material, and improved production efficiency, reduced the production cost of product.
Referring to Fig. 8 and Figure 10; the above-mentioned double-pole cut-out embodiment that provides according to the utility model; described protective device 2 comprises electromagnetic protection device 21 and thermel protection device 22; described electromagnetic protection device 21 and thermel protection device 22 link together, and described electromagnetic protection device 21 and thermel protection device 22 touch respectively described the first operand 353 and the second operand 354.
Referring to Fig. 9, the above-mentioned double-pole cut-out embodiment that provides according to the utility model, described moving contact part 42 comprises action contact frame 421 and moving contact 422, be provided with chute in the described action contact frame 421, described moving contact 422 is positioned at described chute, be provided with spring in the described chute, described spring promotes described moving contact 422 and leans at described chute top, and described action contact frame 421 is connected with described gear frame 33.Moving contact 422 in this structure can lean all the time at the chute top, can prevent that contact assembly 4 is aging, the phenomenon of moving contact 422 and 41 loose contacts of fixed contact parts.
The above-mentioned double-pole cut-out embodiment that provides according to the utility model, be provided with the slideway that limits described gear frame 33 movement locus in the described housing 1, described gear frame 33 both sides are positioned at described slideway, described gear frame 33 both sides are provided with reseting pressuring spring, and described gear frame 33 and described housing 1 are pressed respectively in the two ends of described reseting pressuring spring.
The below does a detailed description to operation principle and the process closed, that throw off of the double-pole cut-out that the utility model provides:
As shown in figure 11, be the off-state figure of circuit breaker, the situations such as short circuit, overload, overcurrent occur, the automatic disconnection for protective circuit in this state representation circuit.When circuit recovers normal, when needing close circuit breaker, manual operation knob 31 rotates counterclockwise, knob 31 is affiliated to hook part 332 on the gear frame 33 by fork 32 bottoms that are hinged with it in the process that knob 31 rotates, along with being rotated further of knob 31, fork 32 pulling gear frames 33 move upward, the moving contact 42 that is connected with gear frame 33 bottoms moves upward with gear frame 33, after the dead-centre position is crossed by mechanism, gear frame 33 no longer moves upward, this moment, contact assembly 4 connections made circuit breaker be in closure state.In this process, be arranged on the reseting pressuring spring of gear frame 33 both sides, along with the rising of gear frame 33 is constantly compressed, the elastic potential energy major part of storage is converted into the kinetic energy of gear frame 33, improves the separating rate of the contact assembly in the circuit breaker.
As shown in figure 12, be the closure state figure of circuit breaker, this state representation circuit is in closed conducting state.When occurring the situation such as short circuit, overload, overcurrent in the circuit, as shown in figure 13, be the trip status figure of circuit breaker, electromagnetic protection device 21 or thermel protection device 22 responses are moved.Concrete: the moving iron core in the electromagnetism assurance device 21 moves upward; the first operand 353 on the dropout part 35 that pulling matches with it or thermel protection device 22 temperature distortions drive the second operand 354 on the dropout part 35; the action of the first operand 353 or the second operand 354; impel dropout part 35 to rotate; thereby the first dropout projection 341 or the second dropout projection 342 of rotating turret 34 both sides are touched in the pushing part that the dropout part 35 that is positioned at rotating turret 34 both sides passes through 351; impel rotating turret 34 to rotate; fork 32 lacks coupling mechanism force; threaded off in fork 32 and the hook part 332 on the gear frame 33; meanwhile; pressure-bearing surface 331 on the section that the pushes to slide 351 sliding pressure gear frames 33 on the dropout part 35; impel gear frame 33 to move downward; be positioned at simultaneously the kinetic energy that gear frame 33 both sides reseting pressuring springs are converted into the elastic potential energy major part gear frame 33; driving gear frame 33 moves downward; the moving contact part 42 that makes gear frame 33 drive the bottom separates with fixed contact parts 41; and after fork 32 and gear frame 33 dropouts; under the effect of knob 31, move downward; playback to groove 343 by the guiding surface 345 on the rotating turret 34; so far, whole disconnection process is finished.
Claims (10)
1. breaker mechanism, comprise knob, be arranged on the fork on the described knob, gear frame by described fork driving, drive rotating turret and two dropout parts that drive respectively described rotating turret that described fork and described gear frame are threaded off, it is characterized in that: described rotating turret is hinged on the described gear frame, described rotating turret both sides are respectively equipped with the first dropout projection and the second dropout projection, described dropout part is positioned at described rotating turret both sides, described dropout part is provided with the pushing part, wherein the pushing part on the described dropout part of a side drives described the first dropout projection, and the pushing part on the described dropout part of an other side drives described the second dropout projection.
2. breaker mechanism according to claim 1, it is characterized in that: described dropout part is provided with the section of pushing to slide, and described gear frame is provided with pressure-bearing surface, the described described pressure-bearing surface of section's sliding pressure that pushes to slide.
3. breaker mechanism according to claim 1, it is characterized in that: described gear frame is provided with the hook part, and match with described fork in described hook part.
4. breaker mechanism according to claim 1, it is characterized in that: described rotating turret top is provided with groove, described fork bottom is positioned at described groove, and the both sides of described groove are formed with respectively be used to the pushing part that promotes to thread off in described fork and described hook part and the described fork of guiding playbacks in the guiding surface of groove.
5. breaker mechanism according to claim 4, it is characterized in that: described groove and described hook part are positioned on the same level face, and described fork bottom is positioned at described groove, and described hook part is pressed against on the described fork.
6. breaker mechanism according to claim 1 is characterized in that: also be provided with the first operand and the second operand on the described dropout part.
7. double-pole cut-out; comprise housing, be arranged on protective device, contact assembly and operating mechanism in the described housing; described contact assembly is two groups; each group comprises fixed contact parts and the moving contact part that cooperatively interacts; described protective device is two covers; be connected with one group of described contact assembly respectively; described protective device drives described operating mechanism action; described operating mechanism drives described moving contact part, it is characterized in that: described operating mechanism is the described breaker mechanism of the claims 1 to 6 arbitrary claim.
8. double-pole cut-out according to claim 7; it is characterized in that: described protective device comprises electromagnetic protection device and thermel protection device; described electromagnetic protection device and thermel protection device link together, and described electromagnetic protection device and thermel protection device touch respectively described the first operand and the second operand.
9. double-pole cut-out according to claim 7, it is characterized in that: described moving contact part comprises action contact frame and moving contact, be provided with chute in the described action contact frame, described moving contact is positioned at described chute, be provided with spring in the described chute, described spring promotes described moving contact and leans at described chute top, and described action contact frame is connected with described gear frame.
10. double-pole cut-out according to claim 7, it is characterized in that: be provided with the slideway that limits described gear frame movement locus in the described housing, described gear frame both sides are positioned at described slideway, described gear frame both sides are provided with reseting pressuring spring, and described gear frame and described housing are pressed respectively in the two ends of described reseting pressuring spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220564499 CN202839502U (en) | 2012-10-30 | 2012-10-30 | Circuit breaker mechanism and bipolar circuit breaker using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220564499 CN202839502U (en) | 2012-10-30 | 2012-10-30 | Circuit breaker mechanism and bipolar circuit breaker using same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202839502U true CN202839502U (en) | 2013-03-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220564499 Withdrawn - After Issue CN202839502U (en) | 2012-10-30 | 2012-10-30 | Circuit breaker mechanism and bipolar circuit breaker using same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202839502U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102915889A (en) * | 2012-10-30 | 2013-02-06 | 科都电气有限公司 | Circuit breaker mechanism and bipolar circuit breaker using same |
| CN108335953A (en) * | 2018-03-31 | 2018-07-27 | 浙江奥德克电气科技有限公司 | Breaker |
-
2012
- 2012-10-30 CN CN 201220564499 patent/CN202839502U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102915889A (en) * | 2012-10-30 | 2013-02-06 | 科都电气有限公司 | Circuit breaker mechanism and bipolar circuit breaker using same |
| CN102915889B (en) * | 2012-10-30 | 2014-12-17 | 科都电气有限公司 | Circuit breaker mechanism and bipolar circuit breaker using same |
| CN108335953A (en) * | 2018-03-31 | 2018-07-27 | 浙江奥德克电气科技有限公司 | Breaker |
| CN108335953B (en) * | 2018-03-31 | 2024-01-02 | 浙江天为电气科技有限公司 | Circuit breaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130327 Effective date of abandoning: 20141217 |
|
| RGAV | Abandon patent right to avoid regrant |