A OIL DASH POT FOR CIRCUIT BREAKER

摘要

For seeking economic profit through an improvement of productivity by optimizing the manufacturing process for mass production through a simplification, an oil dash pot for a circuit breaker and a molded circuit breaker comprises: a pipe (12) which as a space part which is filled with a silicon oil (11) therein and has an opening at an end part of a side; a plunger (13) which is disposed to be reciprocally moved in the space part of the pipe (12); a spring (14) which is configured to return to its original place by applying an elasticity to the plunger (13); and a plug (15) which is coupled to an opening of the pipe (12) and performs a sealing of the space part. An extended segment (19) which is outwardly extended is formed in the opening of the pipe (12). A bended segment (20) is disposed in the plug (15) which is in close contact with the extended segment (19) and is bent in a method such that the outside end part is located at a lower part of the extended segment (19) while enclosing an upper surface and a side of the extended segment (19).