Swimming goggles with strap adjusting device

A pair of swimming goggles, comprising:

• a pair of lenses;
• left and right lens frames made of rigid materials, each lens frame having an outer surface and an inner surface defining a receiving space therebetween retaining one lens therein, a bearing portion extending from an inner side thereof, and an engaging seat provided on an outer side thereof, the engaging seat having a first engaging portion and a second engaging portion;
• a connecting device made of resilient materials and comprising an integral nose bridge, a pair of enclosing frames and a pair of gaskets, the nose bridge enclosing the bearing portions of the lens frames therein, the enclosing frames being integrally disposed on the inner surfaces of the left and right lens frames for connecting the left and right lens frames together as a unit;
• a head strap;
• and
• a pair of strap adjusting devices assembled to the engaging seats of the respective left and right lens frames, each strap adjusting device comprising:
• a base having a pair of opposite side portions each defining a pivot hole, a strap post disposed between the side portions and adjacent to the pivot holes, a strap opening located between the strap post and the pivot holes for extension of one end of the head strap therethrough, a projection disposed between the side portions and opposite to the strap post, a snapping portion receiving the first engaging portion of the engaging seat of a corresponding lens frame, and a pair of engaging slots defined in opposite sides of a bottom portion thereof;
• a stop lever comprising a fixed pivot with opposite ends received in the pivot holes of the base, a stop tongue disposed proximate to the strap post of the base for engaging with the head strap, and a push button opposite to the stop tongue;
• a pair of resilient arms disposed on opposite sides of the push button, each resilient arm having one end connected with the fixed pivot and the other end resting on the projection;
• and
• a panel assembled to the base, the panel having a hole for extension of the push button therethrough, a latching portion engaging with the second engaging portion of the engaging seat of a corresponding lens frame, and a pair of engaging posts received in the engaging slots of the base;
• wherein the head strap may be directly tightened by pulling, or may be loosened by pressing the push button to disengage the stop tongue of the stop lever from the head strap without taking off the swimming goggles.