CN213184163U - Operating mechanism of universal circuit breaker - Google Patents
Operating mechanism of universal circuit breaker Download PDFInfo
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- CN213184163U CN213184163U CN202022482334.0U CN202022482334U CN213184163U CN 213184163 U CN213184163 U CN 213184163U CN 202022482334 U CN202022482334 U CN 202022482334U CN 213184163 U CN213184163 U CN 213184163U
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- framework
- energy storage
- separating brake
- lever
- circuit breaker
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Abstract
The utility model relates to an operating device of universal circuit breaker, including framework, rotate the main shaft that sets up on the framework, with main shaft linkage complex link assembly, set up separating brake semi-axis on the framework, set up combined floodgate semi-axis, energy storage spring assembly on the framework, set up the sincere son of energy storage combined floodgate subassembly, separating brake, set up the separating brake lever between the sincere son of separating brake semi-axis and separating brake, the main shaft on be provided with two interval arrangement's buffer board, the framework on be provided with two buffer board matched with buffering axle, the afterbody of buffer board on be provided with striking portion, the both sides of striking portion on be provided with a enhancement backplate respectively. The utility model has the advantages of simple structure, stable and reliable performance and long service life.
Description
Technical Field
The utility model relates to an universal circuit breaker technical field, concretely relates to universal circuit breaker's operating device.
Background
The universal circuit breaker is also called frame type circuit breaker, and is a mechanical switch electric appliance which can connect, bear and break the current under the normal circuit condition, and can also connect, bear and break the current for a certain time under the specified abnormal circuit condition. Conventional circuit breakers are used to distribute electrical energy and to protect lines and power equipment from overloads, undervoltages, short circuits, etc. The operating mechanism of the conventional universal circuit breaker is unreasonable in structural design, poor in overall strength and easy to deform after being used for a long time, so that the operating mechanism of the conventional universal circuit breaker has the defects of complex structure, unreliable performance and short service life.
Disclosure of Invention
An object of the utility model is to overcome prior art's defect, provide a simple structure, stable performance are reliable, long service life's universal circuit breaker's operating device.
For realizing above-mentioned purpose, the utility model discloses an operating device of universal circuit breaker, including framework, rotation set up the main shaft on the framework, with main shaft linkage complex link assembly, set up separating brake semi-axis on the framework, set up combined floodgate semi-axis, energy storage spring subassembly, set up energy storage combined floodgate subassembly, the sincere son of separating brake on the framework, set up the separating brake lever between the sincere son of separating brake semi-axis and separating brake, the main shaft on be provided with two interval arrangement's buffer board, the framework on be provided with two buffer board matched with buffering axle, the afterbody of buffer board on be provided with striking portion, the both sides of striking portion on be provided with one respectively and strengthen the backplate.
The structure has the advantages that the two reinforcing guard plates are respectively arranged on the two sides of the impact part of the buffer plate, so that the overall strength of the buffer plate is better, the buffering effect of the buffer plate is favorably enhanced, the service life of the main shaft is favorably prolonged, and the operating mechanism of the universal circuit breaker has the advantages of simple structure, stable and reliable performance and long service life.
In particular, the striking part and one side of the two reinforcing guard plates are respectively provided with an arc-shaped groove matched with the buffer shaft. The striking portion, be provided with on the enhancement backplate with arc wall matched with arc wall, the arc wall can be reliably with buffering axle contact, be favorable to improving buffering effect.
Particularly, the energy storage closing assembly comprises a cam, an energy storage lever and a closing pawl matched with the cam, one end of the closing pawl is buckled on a closing half shaft, the energy storage lever comprises two lever supporting plates with rotating shafts arranged on a framework, connecting shafts respectively arranged between the two lever supporting plates and a driving shaft arranged between the two lever supporting plates, the two connecting shafts and the driving shaft are distributed between the two lever supporting plates in a triangular shape, and the driving shaft is connected with the energy storage spring assembly. Be provided with two connecting axles, drive shaft between two lever backup pads of energy storage lever respectively, two connecting axles, drive shaft are the triangle-shaped shape and distribute between two lever mounting panels, and the energy storage lever adopts three angie type structural design, and stability is higher, and intensity is higher, and non-deformable is favorable to promoting whole operating device's whole life-span.
Drawings
Fig. 1 is a perspective view of an embodiment of the present invention.
Fig. 2 is an internal structure diagram of the embodiment of the present invention.
Fig. 3 is a perspective view of an energy storage lever according to an embodiment of the present invention.
Detailed Description
As shown in fig. 1-3, an embodiment of the present invention is an operating mechanism of an universal circuit breaker, including a machine frame 10, a main shaft 11 rotatably disposed on the machine frame 10, a connecting rod assembly 12 cooperating with the main shaft 11, a breaking half shaft 13 disposed on the machine frame 10, a closing half shaft 14 disposed on the machine frame 10, an energy storage spring assembly 20, an energy storage closing assembly 30 disposed on the machine frame 10, a breaking pawl 15, and a breaking lever 16 disposed between the breaking half shaft 13 and the breaking pawl 15, wherein the main shaft 11 is provided with two buffer plates 17 arranged at intervals, the machine frame 10 is provided with buffer shafts 18 cooperating with the two buffer plates 17, the tail of the buffer plates 17 is provided with an impact portion 171, and both sides of the impact portion 171 are respectively provided with a reinforcing guard plate 19. The striking part 171 and one side of the two reinforcing guard plates 19 are respectively provided with an arc-shaped groove 181 matched with the buffer shaft 18. The striking portion, be provided with on the enhancement backplate with arc wall matched with arc wall, the arc wall can be reliably with buffering axle contact, be favorable to improving buffering effect.
As shown in fig. 2, the energy storage closing assembly 30 includes a cam 31, an energy storage lever 32, and a closing pawl 33 engaged with the cam 31, wherein one end of the closing pawl 33 is fastened on the closing half shaft 14, the energy storage lever 32 includes two lever support plates 321 with two rotation shafts disposed on the frame 10, a connecting shaft 322 disposed between the two lever support plates 321, and a driving shaft 323 disposed between the two lever support plates 321, the two connecting shafts 322 and the driving shaft 323 are distributed between the two lever support plates 321 in a triangular shape, and the driving shaft 323 is connected to the energy storage spring assembly 20. Be provided with two connecting axles, drive shaft between two lever backup pads of energy storage lever respectively, two connecting axles, drive shaft are the triangle-shaped shape and distribute between two lever mounting panels, and the energy storage lever adopts three angie type structural design, and stability is higher, and intensity is higher, and non-deformable is favorable to promoting whole operating device's whole life-span.
Be provided with two enhancement backplate respectively on the both sides of the striking portion of buffer board to the bulk strength of buffer board is better, is favorable to strengthening the cushioning effect of buffer board, thereby is favorable to prolonging the life of main shaft, thereby this universal circuit breaker's operating device simple structure, dependable performance are stable, long service life's advantage.
Claims (3)
1. The utility model provides an operating device of universal circuit breaker, includes the framework, rotates the main shaft that sets up on the framework, with main shaft linkage complex link assembly, the separating brake semi-axis of setting on the framework, set up closing semi-axis, energy storage spring subassembly on the framework, set up the energy storage closing assembly, the sincere son of separating brake, set up the separating brake lever between the sincere son of separating brake semi-axis and separating brake, its characterized in that: the main shaft on be provided with two buffer board of interval arrangement, the framework on be provided with two buffer board matched with buffering axle, the afterbody of buffer board on be provided with striking portion, the both sides of striking portion on be provided with a enhancement backplate respectively.
2. The operating mechanism of the conventional circuit breaker according to claim 1, wherein: and arc-shaped grooves matched with the buffer shaft are respectively arranged on one sides of the impact part and the two reinforcing guard plates.
3. The operating mechanism of the conventional circuit breaker according to claim 1 or 2, wherein: the energy storage closing assembly comprises a cam, an energy storage lever and a closing pawl matched with the cam, one end of the closing pawl is buckled on a closing half shaft, the energy storage lever comprises two lever supporting plates, connecting shafts and a driving shaft, the two lever supporting plates are arranged on a framework in a rotating shaft mode, the connecting shafts are arranged between the two lever supporting plates respectively, the driving shaft is arranged between the two lever supporting plates, the two connecting shafts and the driving shaft are distributed between the two lever supporting plates in a triangular shape, and the driving shaft is connected with the energy storage spring assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022482334.0U CN213184163U (en) | 2020-10-31 | 2020-10-31 | Operating mechanism of universal circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022482334.0U CN213184163U (en) | 2020-10-31 | 2020-10-31 | Operating mechanism of universal circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213184163U true CN213184163U (en) | 2021-05-11 |
Family
ID=75780558
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022482334.0U Active CN213184163U (en) | 2020-10-31 | 2020-10-31 | Operating mechanism of universal circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213184163U (en) |
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2020
- 2020-10-31 CN CN202022482334.0U patent/CN213184163U/en active Active
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