Patent ID: 7886371

Claim:
Swimming goggles comprising: an outer frame including a first frame formed with hard material and being laminated, the first frame defining receiving slots therein and further defining expansion grooves respectively at outward edges of the receiving slots, each receiving slot having an inner edge with a first positioning portion formed thereon, side walls being respectively formed on opposite sides of the first frame, first assembling portions being respectively provided on the side walls, each first assembling portion comprising a fixing axis and at least a buckle; an inner frame integrally formed with the outer frame, and including a second frame formed by soft material enveloping along the first frame, the second frame defining openings respectively corresponding to the receiving slots, leakproof rings protruding along outward edges of the openings, and being integrally sealed along outward edges of lenses against water leakage; lenses respectively received in the receiving slots of the outer frame, and each forming a second positioning portion along a rim thereof for engaging with the first positioning portion; and a strap device including a head strap assembled on opposite sides of the first frame, the strap device comprising U-shaped base portions respectively assembled on opposite sides of the first frame, the head strap forming a plurality of abutting grooves, each of the U-shaped base portions including a positioning axis for supporting the head strap, and defining first axis holes for corresponding to the fixing axes of the first assembling portion, and further forming a second assembling portion for being assembled to the first assembling portion; wherein during assembly, the first positioning portions engage with the second positioning portions to preliminarily position the lenses, sequentially the second frame enveloping the first frame and rims of the lenses by forming, the strap device being assembled to the first frame, whereby wearing and adjusting of the head strap does not influence the second frame.