Patent ID: 9388914
Filing Date: 2016-07-12
CPC Classification: F04B,F16K,Y10T

Claim Text:
1. A rotary switch type valve cap, comprising: a casing comprising a front end wall, a rear end wall, a top end wall connected between said front end wall and said rear end wall, an accommodation space surrounded by said frontend end wall, said rear end wall and said top end wall, and an air intake tube located at said rear end wall and kept in communication with said accommodation space; a rotating device pivotally mounted in said accommodation space and freely rotatable, said rotating device comprising a first valve connector and a second valve connector respectively arranged at two opposite ends of the rotating device in such a manner that when said second valve connector is disposed in a hidden position to face toward said top end wall, said first valve connector is disposed in an operating position to face toward a bottom side of said casing where said rotating device is disposed in the normal state; a lever pivotally mounted at said top end wall and biasable between a release position and a pressing position; a closure member mounted in said top end wall between said lever and said rotating device in such a manner that when said rotating device is disposed in said normal state, said lever is biasable to said pressing position to hold down said closure member against said second valve connector in said hidden position where said second valve connector is closed and forced to stop said first valve connector in said operating position in positive engagement with the valve to be inflated, wherein said rotating device is pivotally mounted in said accommodation space, wherein said air intake tube is mounted in said rear end wall corresponding to the pivoting position of said rotating device, and wherein said rotating device comprises an axial blind hole defined in a pivot shaft of the rotating device in communication with an air passage in said air intake tube.