Patent ID: 8113485

Claim:
A leak-proof structure of an oil pipe connector, comprising: a connector cylinder, being a hollow housing, and having an oil inlet at a front end of said connector cylinder, an oil outlet at a rear end of said connector cylinder, and a switch base having a shaft hole interconnected with the interior of said connector cylinder; a control device, installed in said connector cylinder; a switch device, including a transmission shaft and a switch handle, and said transmission shaft being pivotally inserted into said shaft hole, and linked with said control device, and said switch handle being coupled to the top of said transmission shaft; a leak-proof device, including a bearing slot disposed below said shaft hole, and a first leak-proof slot, a circular latch slot and a second leak-proof slot disposed sequentially upward from said bearing slot, a bearing disposed at said bearing slot, a first O-ring and a spacer ring disposed at said first leak-proof slot, a latch ring disposed at said circular latch slot, and a second O-ring disposed at said second leak-proof slot wherein said second O-ring is protruded slightly out from said second leak-proof slot, a pad and a spacer base disposed on said second O-ring, for achieving a leak-proof effect.