| 摘要 |
OF DISCLOSURE AIR CIRCUIT BREAKER, BREAKING SPRING OF AIR CIRCUIT BREAKER AND CONNECTION METHOD THEREOF AN AIR CIRCUIT BREAKER, A BREAKING SPRING OF THE AIR CIRCUIT BREAKER, AND ITS 5 CONNECTION METHOD ARE DISCLOSED. THE AIR CIRCUIT BREAKER INCLUDES: A CAM; A DRIVING LEVER CONNECTED WITH THE CAM AND ROTATED; A CLOSING SPRING COMPRESSED BY THE DRIVING LEVER; A PLURALITY OF LINKS THAT TRANSFER A DRIVING FORCE GENERATED WHEN THE CLOSING SPRING IS STRETCHED; A SWITCHING SHAFT CONNECTED WITH ONE OF THE LINKS BY A CONNECTION SHAFT AND ROTATED ACCORDING TO MOVEMENT OF THE LINK; IO AND A BREAKING SPRING HAVING A FIXING HOLE WITH ONE SIDE OPENED AT ONE END PORTION THEREOF, SO AS TO BE FIXED TO THE CONNECTION SHAFT PERPENDICULARLY IN AN AXIAL LINE DIRECTION OF THE CONNECTION SHAFT. A SPACE FOR ASSEMBLING DOES NOT NEED TO BE FORMED AT AN END PORTION OF THE CONNECTION SHAFT, OBTAINING A COMPACT STRUCTURE. IN ADDITION, A TOOL CAN BE SIMPLIFIED, AN INSTALLATION CAN BE 1 5 FACILITATED, AN ASSEMBLING TIME CAN BE SHORTENED, AND A FABRICATION COST CAN BE REDUCED. |
