Patent ID: 6990995

Claim:
A valve-leaf protective structure for pressure regulator of air tank used in diving, comprising: a valve-leaf seat formed on an outer case of said pressure regulator for a one-way valve leaf to mount at a central area thereof, said valve-leaf seat being provided at two lateral sides with two raised supports, on which a plurality of bubble outlets are formed, and between which a space is defined; said raised supports being provided at upper inner surfaces with two rotary shaft holes, and said valve-leaf seat being provided at a lower center with a retaining hole; and a valve-leaf protective cover for mounting on said space defined between said two raised supports of said valve-leaf seat; said protective cover being provided at two upper outer ends with two sideward projected rotary shafts for rotatably mounted in said two rotary shaft holes on said two raised supports, and at a lower side with an elastic tongue having a hook formed at a lowermost end for engaging with said retaining hole on said valve-leaf seat.