Ventilation and lens replacement assembly for snow goggles

A ventilation and lens replacement assembly for snow goggles comprising

• a frame, two positioning members, and a lens;
• wherein the frame includes a penetrating lens mounting hole formed on a front surface of the frame, two corresponding mounting grooves disposed on the frame and corresponding to two sides of the lens mounting hole, and an assembly portion projecting from a middle part of the mounting groove toward an outer side of the frame;
• the assembly portion includes two corresponding insertion holes communicating with the mounting groove, and a projecting elastic support member formed between the two insertion holes;
• wherein the positioning member includes a positioning seat, a connection base, a moveable pushing block, at least two elastic members, and a pressing control member;
• the positioning seat is corresponding to the mounting groove of the frame for being mounted in and connected with the mounting groove;
• the positioning seat consists of two penetrating holes corresponding to the insertion holes of the assembly portion, and a first positioning portion and a second positioning portion both located between the two penetrating holes and respectively disposed on an inner surface of the positioning seat at an inner side and an outer side;
• the connection base is correspondingly fixed and connected with the positioning seat;
• one side of the connection base corresponding to the positioning seat is provided with a recessed portion while two corresponding guiding grooves are correspondingly arranged at an upper part and a lower part of the recessed portion;
• the moveable pushing block is mounted in the recessed portion;
• two limit protrusions are correspondingly disposed on an upper end and a lower end of the moveable pushing block and corresponding to the guiding grooves for being mounted in the guiding grooves so that the moveable pushing block is able to be limited and moved inward and outward within the guiding grooves;
• the elastic members are disposed between an inner surface of the recessed portion and the moveable pushing block;
• the pressing control member includes a first abutting portion and a second abutting portion respectively arranged at an inner side and an outer side thereof and corresponding to the first positioning portion and the second positioning portion;
• the elastic support member of the assembly portion is abutting against an inner surface of the pressing control member after the first abutting portion and the second abutting portion being inserted through the insertion holes of the assembly portion;
• wherein the lens is provided with an insertion portion arranged at each of two sides and a positioning part disposed on a middle part of the insertion portion;
• the insertion portion is inserted into a space between the positioning seat and the connection base of the positioning member and pushing the moveable pushing block to move inward;
• the positioning part is moveable to be positioned and connected with the first positioning portion or the second positioning portion.