CN205376431U - Power -driven operation device - Google Patents
Power -driven operation device Download PDFInfo
- Publication number
- CN205376431U CN205376431U CN201521139292.3U CN201521139292U CN205376431U CN 205376431 U CN205376431 U CN 205376431U CN 201521139292 U CN201521139292 U CN 201521139292U CN 205376431 U CN205376431 U CN 205376431U
- Authority
- CN
- China
- Prior art keywords
- shell
- drive
- motor
- intermediate solid
- drive shaft
- 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.)
- Expired - Fee Related
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 70
- 239000007787 solid Substances 0.000 claims description 41
- 238000000034 method Methods 0.000 claims description 15
- 230000008569 process Effects 0.000 claims description 15
- 230000001737 promoting effect Effects 0.000 claims description 5
- 238000012423 maintenance Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000008859 change Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012536 packaging technology Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
Abstract
The utility model provides a power -driven operation device, it includes shell (1), its characterized in that of: install motor (2) in shell (1), the output shaft of motor (2) passes through engagement means to be connected with gear train (3), gear train (3) are connected with actuating mechanism (5) through drive mechanism (4), and actuating mechanism (6) can drive breaker handle (7) realization division closing operation, link plate sliding lock (8) still are equipped with in shell (1), when the circuit breaker is in the separating brake state, link plate sliding lock (8) can lock dead drive mechanism (4) and prevent its mistake combined floodgate, and the electronic locking can also be carried out to electronic circuit board (9) of installing in shell (1) in link plate sliding lock (8) simultaneously. The utility model provides a pair of power -driven operation device, compact structure, small, manufacturing process is simple, with low costs, and product reliability is high, breaks down when needing interruption maintenance when the circuit, can extract padlock slide padlock, realizes machinery, electron double -locked, and the to prevent accidental combined floodgate causes the harm to maintenance personal's personal safety and consumer.
Description
Technical field
This utility model belongs to low voltage equipment technical field, specifically just relates to a kind of electrically operated device.
Background technology
Chopper is divided into primary cut-out and low-voltage circuit breaker by its use scope.Low-voltage circuit breaker, also known as automatic switch, is commonly called as " air switch " and also refers to low-voltage circuit breaker, and it is a kind of existing hand switch effect, can automatically carry out again the electrical equipment of decompression, under-voltage, overload and short-circuit protection.It can be used to distribute electric energy; infrequently start asynchronous motor; power circuit and motor etc. are carried out protection; can automatic shutdown circuit when there is serious overloads or the fault such as short-circuit and under-voltage when them; its function is equivalent to Fuse switch and crosses the combination of underheat relay etc.; and after disjunction fault current, generally need not change parts, obtain a wide range of applications.
Traditional miniature circuit breaker, the separating brake of switch, feed motion, it is necessary to manual hand manipulation completes.Along with the development of intelligent grid, it is badly in need of can reliably realizing the miniature circuit breaker of automatic divide-shut brake, switch product.Therefore, market occurs in that with miniature circuit breaker, switch with the use of can drive miniature circuit breaker, switch separating brake, feed motion electrically operated device.By sending instructions to this electrically operated device, it may be achieved drive miniature circuit breaker, switch automatic brake separating, combined floodgate, without manual hand manipulation, be effectively saved manpower and materials, apply increasingly extensive.The common motor-operating mechanism in existing market has employing centrifugal clutching mechanism, some employing screw-and-nut mechanisms, some employings commutation fork type clutch etc., in structure all more complicated, causing volume big, part is many, manufactures and packaging technology is complicated, cost is high, is unfavorable for promoting the use of on a large scale.
Utility model content
The purpose of this utility model is aiming at current motor-operating mechanism and has that volume is relatively big, structure and complex process, cost are high, it is unfavorable for the technological deficiency promoted on a large scale, a kind of electrically operated device is provided, utilize the improvement to drive mechanism and driving mechanism, improve the reliability and stability of motor-operating mechanism, reduce the volume that motor-operating mechanism takies.
Technical scheme
In order to realize above-mentioned technical purpose, a kind of electrically operated device of this utility model design, it includes shell, it is characterized in that: in described shell, motor is installed, the output shaft of motor is connected with gear train by engagement system, described gear train is connected with driving mechanism by drive mechanism, driving mechanism can drive circuit breaker handle to realize switching operation, link plate sliding lock it is also equipped with in described shell, when chopper is in gate-dividing state, described link plate sliding lock can prevent its false switching by locked drive mechanism, the electronic circuit board installed in the enclosure can also be carried out electronic locking by link plate sliding lock simultaneously.
Further, described drive mechanism includes drive plate, drive plate is contained on intermediate solid drive shaft, drive plate can drive intermediate solid drive shaft to rotate, circular fluted disc is sleeved on the projection that drive plate side is stretched out, the one side that drive plate is adjacent with circular fluted disc is provided with drive plate boss, the one side that circular fluted disc is adjacent with drive plate is provided with drive plate boss corresponding position circular fluted disc boss, circular fluted disc rotation process can pass through circular fluted disc boss thereon and promote drive plate boss thus realizing promoting drive plate to rotate.
Described drive plate edge stretches out positive stop lug boss, the limited step restriction stroke that in drive plate rotation process, positive stop lug boss can be arranged on shell.
Further, described driving mechanism includes intermediate solid drive shaft and/or motor-operating mechanism driving handle, intermediate solid drive shaft and motor-operating mechanism driving handle centerline axis parallel.
Further, described link plate sliding lock is contained in the chute on shell Nei and can slide in chute, link plate sliding lock is provided with lock-receiving aperture, link plate sliding lock stretches out first step and second step, in sliding process, first step can be stirred the line switching on electronic circuit board and make its electronic locking, in sliding process, second step can put in the draw-in groove on drive plate and make its mechanical caging, can load onto padlock and realize self locking in lock-receiving aperture.
Further, the output shaft of described motor is toothed around, output shaft and gear train external toothing.
Further, described gear train includes some gears, gear and circular fluted disc external toothing, and gear train is contained on shell.
Further, described driving mechanism includes intermediate solid drive shaft, and intermediate solid drive shaft cross section is non-circular, and its one end being positioned at circular fluted disc is contained on shell, and it is corresponding with circuit breaker handle that the other end stretches out shell.
Further, described driving mechanism includes intermediate solid drive shaft, and its two ends are contained on shell, and motor-operating mechanism driving handle is contained on intermediate solid drive shaft and is positioned at outside drive plate, intermediate solid drive shaft rotates and can rotate by driving electric operating mechanism driving handle, and motor-operating mechanism driving handle is corresponding with circuit breaker handle.
Further, described driving mechanism includes intermediate solid drive shaft, it is contained on shell, shell is stretched out in one end, motor-operating mechanism driving handle is contained on intermediate solid drive shaft and is positioned at outside drive plate, intermediate solid drive shaft rotates and can rotate by driving electric operating mechanism driving handle, and it is all corresponding with circuit breaker handle with motor-operating mechanism driving handle that intermediate solid drive shaft stretches out one end of shell.
Further, described motor-operating mechanism driving handle is concave-board, and its cross sectional shape is U-shaped.
Beneficial effect
A kind of electrically operated device that this utility model provides, compact conformation, volume are little, manufacturing process is simple, cost is low, product reliability is high, when circuit break down need interruption maintenance time, padlock slide plate padlock can be extracted, it is achieved the locking of machinery, electronic doublet, it is prevented that unexpected close a floodgate personal safety and electrical equipment to maintainer cause damage.
Accompanying drawing explanation
Accompanying drawing 1 is the product figure of this utility model first embodiment.
Accompanying drawing 2 is this utility model first embodiment structural representation.
Accompanying drawing 3 is drive plate position limiting structure schematic diagram in this utility model first embodiment.
Accompanying drawing 4 is drive mechanism and driving mechanism connection diagram in this utility model first embodiment.
Accompanying drawing 5 is circular fluted disc structural representation in this utility model first embodiment.
Accompanying drawing 6 is drive plate structural representation in this utility model first embodiment.
Accompanying drawing 7 is link plate sliding lock mounting structure schematic diagram in this utility model first embodiment.
Accompanying drawing 8 is link plate sliding lock structural representation in this utility model first embodiment.
Accompanying drawing 9 is driving structural representation in this utility model the second embodiment.
Accompanying drawing 10 is driving structural representation in this utility model the 3rd embodiment.
Detailed description of the invention
Below in conjunction with drawings and Examples, this utility model is described further.
Embodiment 1
As shown in figure 1 and 2, a kind of electrically operated device, it includes shell 1, is provided with motor 2, the output shaft of described motor 2 is toothed around in described shell 1, output shaft and gear train 3 external toothing.Described gear train 3 is connected with driving mechanism 5 by drive mechanism 4, driving mechanism 5 can drive circuit breaker handle 7 to realize switching operation, it is also equipped with link plate sliding lock 8 in described shell 1, when chopper is in gate-dividing state, described link plate sliding lock 8 can prevent its false switching by locked drive mechanism 4, and the electronic circuit board 6 being arranged in shell 1 can also be carried out electronic locking by link plate sliding lock 8 simultaneously.
Specifically, such as accompanying drawing 3, 4, shown in 5 and 6, described drive mechanism 4 includes drive plate 401, drive plate 401 is contained on intermediate solid drive shaft 402, drive plate 401 can drive intermediate solid drive shaft 402 to rotate, circular fluted disc 403 is sleeved on the projection 401a that drive plate 401 side is stretched out, the one side that drive plate 401 is adjacent with circular fluted disc 403 is provided with drive plate boss 401b, the one side that circular fluted disc 403 is adjacent with drive plate 401 is provided with circular fluted disc boss 403a with drive plate boss 401b corresponding position, circular fluted disc 403 rotation process can pass through circular fluted disc boss 403a thereon and promote drive plate boss 40ab thus realizing promoting drive plate 401 to rotate.Stretching out positive stop lug boss 401d on described drive plate 401 edge, in drive plate 401 rotation process, positive stop lug boss 401d can be limited stroke by the limited step 102 arranged on shell 1.
Described driving mechanism 5 includes intermediate solid drive shaft 402 and motor-operating mechanism driving handle 501, intermediate solid drive shaft 402 and motor-operating mechanism driving handle 501 centerline axis parallel, intermediate solid drive shaft 402 is contained on shell 1, shell 1 is stretched out in one end, motor-operating mechanism driving handle 501 is contained on intermediate solid drive shaft 402 and is positioned at outside drive plate 401, intermediate solid drive shaft 402 rotates and can rotate by driving electric operating mechanism driving handle 501, and it is all corresponding with circuit breaker handle 7 with motor-operating mechanism driving handle 501 that intermediate solid drive shaft 402 stretches out one end of shell 1.Described motor-operating mechanism driving handle 501 is concave-board, and its cross sectional shape is U-shaped.
As depicted in figures 7 and 8, described link plate sliding lock 8 is contained in the chute 101 on shell 1 and can slide in chute 101, link plate sliding lock 8 is provided with lock-receiving aperture 801, link plate sliding lock 8 stretches out first step 802 and second step 803, the line switching 601 that in sliding process, first step 802 can be stirred on electronic circuit board 6 makes its electronic locking, in sliding process, second step 803 can put in the draw-in groove 401c on drive plate 401 and make its mechanical caging, can load onto padlock and realize self locking in lock-receiving aperture 801.
Described gear train 3 includes some gears, gear and circular fluted disc 403 external toothing, and gear train 3 is contained on shell 1.
The work process of the present embodiment is: motor 2 main axis, driven gear group 3 rotates, circular fluted disc 403 and gear train 14 external toothing, circular fluted disc 403 rotation process can pass through circular fluted disc boss 403a thereon and promote drive plate boss 40ab thus realizing promoting drive plate 401 to rotate, then driving inner drive shafts 402, motor-operating mechanism driving handle 501 to rotate, final realization drives miniature circuit breaker, switch separating brake, feed motion.The rotating forward of motor 2, reversion, starting, stopping, being controlled by electronic circuit board 6.Padlock slide plate 8 is arranged in the top chute of shell 1, shell 11 is provided with lock-receiving aperture 801 corresponding position and keeps away a hole, when circuit break down need interruption maintenance time, first electrically operated device is operated gate-dividing state, then padlock slide plate 8 is extracted, padlock in lock-receiving aperture 801 simultaneously, now, the step 802 of padlock slide plate 8 promotes the line switching 601 on electronic circuit board 6 to realize electronic locking function, simultaneously, the draw-in groove 401c that second step 803 puts on drive plate 401 makes its mechanical caging, prevent unexpected close a floodgate personal safety and electrical equipment to maintainer from damaging.
Embodiment 2
As shown in Figure 9, described driving mechanism 5 includes intermediate solid drive shaft 402, and intermediate solid drive shaft 402 cross section is non-circular, and its one end being positioned at circular fluted disc 403 is contained on shell 1, and it is corresponding with circuit breaker handle 7 that the other end stretches out shell 1.
In the present embodiment, intermediate solid drive shaft 402 directly drives miniature circuit breaker, switch knob.
Embodiment 3
As shown in Figure 10, described driving mechanism 5 includes intermediate solid drive shaft 402, its two ends are contained on shell 1, motor-operating mechanism driving handle 501 is contained on intermediate solid drive shaft 402 and is positioned at outside drive plate 401, intermediate solid drive shaft 402 rotates and can rotate by driving electric operating mechanism driving handle 501, and motor-operating mechanism driving handle 501 is corresponding with circuit breaker handle 7.
By intermediate solid drive shaft 402 driving electric operating mechanism driving handle 501 in the present embodiment, promote miniature circuit breaker, switch knob again through motor-operating mechanism driving handle 501.
A kind of electrically operated device that this utility model provides, compact conformation, volume are little, manufacturing process is simple, cost is low, product reliability is high, when circuit break down need interruption maintenance time, padlock slide plate padlock can be extracted, it is achieved the locking of machinery, electronic doublet, it is prevented that unexpected close a floodgate personal safety and electrical equipment to maintainer cause damage.
The structure of the present embodiment institute accompanying drawings depicted, ratio, size etc., all only in order to coordinate the disclosed content of description, understand for those skilled in the art and read, it is not limited to the enforceable qualifications of this utility model, therefore do not have technical essential meaning, the adjustment of the modification of any structure, the change of proportionate relationship or size, under not affecting effect that this utility model can be generated by and the purpose that can reach, all should still drop on the disclosed technology contents of this utility model and obtain in the scope that can contain.Simultaneously, in this specification cited as " on ", D score, "left", "right", " centre ", " clockwise ", " counterclockwise " etc. term, it is merely convenient to understanding of narration, and it is not used to limit the enforceable scope of this utility model, the change of its relativeness or adjustment, changing under technology contents without essence, when being also considered as the enforceable category of this utility model.
Claims (10)
1. an electrically operated device, it includes shell (1), it is characterized in that: motor (2) is installed in described shell (1), the output shaft of motor (2) is connected with gear train (3) by engagement system, described gear train (3) is connected with driving mechanism (5) by drive mechanism (4), driving mechanism (5) can drive circuit breaker handle (7) to realize switching operation, link plate sliding lock (8) it is also equipped with in described shell (1), when chopper is in gate-dividing state, described link plate sliding lock (8) can prevent its false switching by locked drive mechanism (4), the electronic circuit board (6) being arranged in shell (1) can also be carried out electronic locking by link plate sliding lock (8) simultaneously.
null2. a kind of electrically operated device as claimed in claim 1，It is characterized in that: described drive mechanism (4) includes drive plate (401),Drive plate (401) is contained on intermediate solid drive shaft (402)，Drive plate (401) can drive intermediate solid drive shaft (402) to rotate，Circular fluted disc (403) is sleeved on the projection (401a) stretched out drive plate (401) side，The one side that drive plate (401) is adjacent with circular fluted disc (403) is provided with drive plate boss (401b)，The one side that circular fluted disc (403) is adjacent with drive plate (401) is provided with circular fluted disc boss (403a) with drive plate boss (401b) corresponding position，Circular fluted disc (403) rotation process can pass through circular fluted disc boss (403a) thereon and promote drive plate boss (401b) thus realizing promoting drive plate (401) to rotate；
Stretching out positive stop lug boss (401d) on described drive plate (401) edge, in drive plate (401) rotation process, positive stop lug boss (401d) can by upper limited step (102) the restriction stroke arranged of shell (1).
3. a kind of electrically operated device as claimed in claim 1, it is characterized in that: described driving mechanism (5) includes intermediate solid drive shaft (402) and/or motor-operating mechanism driving handle (501), intermediate solid drive shaft (402) and motor-operating mechanism driving handle (501) centerline axis parallel.
4. a kind of electrically operated device as claimed in claim 1, it is characterized in that: described link plate sliding lock (8) is contained in the chute (101) on shell (1) Nei and can slide in chute (101), link plate sliding lock (8) is provided with lock-receiving aperture (801), link plate sliding lock (8) stretches out first step (802) and second step (803), the line switching (601) that in sliding process, first step (802) can be stirred on electronic circuit board (6) makes its electronic locking, the draw-in groove (401c) that in sliding process, second step (803) can put on drive plate (401) makes its mechanical caging, padlock can be loaded onto in lock-receiving aperture (801) and realize self locking.
5. electrically operated device as claimed in claim 1 a kind of, it is characterised in that: the output shaft of described motor (2) is toothed around, output shaft and gear train (3) external toothing.
6. a kind of electrically operated device as claimed in claim 1, it is characterised in that: described gear train (3) includes some gears, gear and circular fluted disc (403) external toothing, and gear train (3) is contained on shell (1).
7. a kind of electrically operated device as claimed in claim 1, it is characterized in that: described driving mechanism (5) includes intermediate solid drive shaft (402), intermediate solid drive shaft (402) cross section is non-circular, its one end being positioned at circular fluted disc (403) is contained on shell (1), and it is corresponding with circuit breaker handle (7) that the other end stretches out shell (1).
8. a kind of electrically operated device as claimed in claim 1, it is characterized in that: described driving mechanism (5) includes intermediate solid drive shaft (402), its two ends are contained on shell (1), motor-operating mechanism driving handle (501) is contained on intermediate solid drive shaft (402) and is positioned at drive plate (401) outside, intermediate solid drive shaft (402) rotates and can rotate by driving electric operating mechanism driving handle (501), and motor-operating mechanism driving handle (501) is corresponding with circuit breaker handle (7).
9. a kind of electrically operated device as claimed in claim 1, it is characterized in that: described driving mechanism (5) includes intermediate solid drive shaft (402), it is contained on shell (1), shell (1) is stretched out in one end, motor-operating mechanism driving handle (501) is contained on intermediate solid drive shaft (402) and is positioned at drive plate (401) outside, intermediate solid drive shaft (402) rotates and can rotate by driving electric operating mechanism driving handle (501), it is all corresponding with circuit breaker handle (7) with motor-operating mechanism driving handle (501) that intermediate solid drive shaft (402) stretches out one end of shell (1).
10. a kind of electrically operated device as claimed in claim 3, it is characterised in that: described motor-operating mechanism driving handle (501) is concave-board, and its cross sectional shape is U-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521139292.3U CN205376431U (en) | 2015-12-31 | 2015-12-31 | Power -driven operation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521139292.3U CN205376431U (en) | 2015-12-31 | 2015-12-31 | Power -driven operation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205376431U true CN205376431U (en) | 2016-07-06 |
Family
ID=56275722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521139292.3U Expired - Fee Related CN205376431U (en) | 2015-12-31 | 2015-12-31 | Power -driven operation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205376431U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106935447A (en) * | 2015-12-31 | 2017-07-07 | 上海良信电器股份有限公司 | A kind of electrically operated device |
| CN107768994A (en) * | 2016-08-19 | 2018-03-06 | 上海锐电电气有限公司 | Low-tension switch cabinet |
| CN108511292A (en) * | 2017-02-24 | 2018-09-07 | 上海良信电器股份有限公司 | The padlock mechanism of electrically operated device |
| CN109103044A (en) * | 2017-06-21 | 2018-12-28 | 上海良信电器股份有限公司 | A kind of rotary safe handle |
| CN109216123A (en) * | 2018-09-04 | 2019-01-15 | 上海良信电器股份有限公司 | A kind of electrically operated device drive transmission device |
-
2015
- 2015-12-31 CN CN201521139292.3U patent/CN205376431U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106935447A (en) * | 2015-12-31 | 2017-07-07 | 上海良信电器股份有限公司 | A kind of electrically operated device |
| CN107768994A (en) * | 2016-08-19 | 2018-03-06 | 上海锐电电气有限公司 | Low-tension switch cabinet |
| CN108511292A (en) * | 2017-02-24 | 2018-09-07 | 上海良信电器股份有限公司 | The padlock mechanism of electrically operated device |
| CN108511292B (en) * | 2017-02-24 | 2019-12-31 | 上海良信电器股份有限公司 | Padlock mechanism of electric operating device |
| CN109103044A (en) * | 2017-06-21 | 2018-12-28 | 上海良信电器股份有限公司 | A kind of rotary safe handle |
| CN109103044B (en) * | 2017-06-21 | 2024-04-16 | 上海良信电器股份有限公司 | Rotary safety handle and rotary isolating switch |
| CN109216123A (en) * | 2018-09-04 | 2019-01-15 | 上海良信电器股份有限公司 | A kind of electrically operated device drive transmission device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205376431U (en) | Power -driven operation device | |
| CN106935447A (en) | A kind of electrically operated device | |
| CN207834239U (en) | The automatic divide-shut brake microminiature control mechanism of novel small-sized breaker and breaker | |
| CN205376432U (en) | Electrically -operated apparatus 's actuating mechanism | |
| CN203596327U (en) | Energy storage system of breaker operation mechanism | |
| CN205723395U (en) | Miniature circuit breaker electrically operated device | |
| CN203055824U (en) | Manual mode and automatic mode integrated switching-on/switching-off mechanism of circuit breaker | |
| CN209544272U (en) | A kind of breaker with electrically operated device | |
| CN107230601B (en) | A kind of external small type circuit breaker operating mechanism of electric energy meter | |
| CN205376433U (en) | Electrically -operated apparatus 's drive mechanism | |
| CN108109890B (en) | The automatic divide-shut brake microminiature control mechanism of novel small-sized breaker and breaker | |
| CN203351457U (en) | Interlocking mechanism among isolating switch, vacuum circuit breaker and cabinet door | |
| CN206432221U (en) | A kind of quick-tripping device of low-voltage circuit breaker executing agency | |
| CN203367179U (en) | A brake opening and closing operating mechanism used for a breaker | |
| CN205911264U (en) | A drive tripping device for among miniature circuit breaker electrically -operated apparatus | |
| CN206619566U (en) | The structure-improved of electrically operated device clutch | |
| CN203445074U (en) | Circuit breaker opening and closing association mechanism | |
| CN107230594A (en) | For the driving tripping mechanism in miniature circuit breaker electrically operated device | |
| CN205751905U (en) | A kind of miniature circuit breaker electrically operated device structure-improved | |
| CN108511291B (en) | The structure-improved of electrically operated device clutch | |
| CN109346388A (en) | A kind of breaker with electrically operated device | |
| CN107887238B (en) | Compact-sized breaker | |
| CN107230600A (en) | Miniature circuit breaker electrically operated device | |
| CN104576236B (en) | A kind of clutch for chopper | |
| CN104332363B (en) | Switching off-and-on operating mechanism for circuit breaker |
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 |
Granted publication date: 20160706 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |