Plug connection type eyeglasses assembly

1. A plug connection type eyeglasses assembly comprising:

a pair of primary eyeglasses having a primary nosepiece, a plughole being defined in the primary nosepiece;

a pair of secondary eyeglasses providing a plug connector at a position corresponding to the primary nosepiece of the primary eyeglasses;

the plug connector is an elastomer comprising a head portion, a loop gap defined in middle of the head portion, a pair of shoulders projected outwardly, and a neck recessed between the head portion and the shoulders;

the plug connector being inserted into and engaged with the plughole thereby coupling the primary eyeglasses and the secondary eyeglasses.

2. A plug connection type eyeglasses assembly comprising:

a pair of primary eyeglasses having a primary nosepiece, a plughole being defined in the primary nosepiece;

a pair of secondary eyeglasses providing a plug type turnover mechanism at a position corresponding to the primary nosepiece of the primary eyeglasses, the plug type turnover mechanism having a plug connector, which being inserted into and engaged with the plughole thereby rotationally coupling the primary eyeglasses and the secondary eyeglasses; and

the plug connector is wound by spring metal wire and comprises a head portion, a loop gap defined in middle of the head portion, a pair of shoulders projected outwardly, and a neck recessed between the head portion and the shoulders.

3. The plug connection type eyeglasses assembly according to claim 2 , wherein the plug type turnover mechanism comprises a pair of hinge sleeves fixed to the secondary eyeglasses at a position corresponding to the primary nosepiece and the plug connector with a tail portion thereof pivotally inserted in the hinge sleeves, an end of each hinge sleeve defining at least two stop dents for engaging with the tail portion of the plug connector to stop the plug connector at predetermined positions.

4. The plug connection type eyeglasses assembly according to claim 2 , wherein the plug type turnover mechanism comprises a spring piece fixed to the secondary eyeglasses at a position corresponding to the primary nosepiece of the primary eyeglasses and the plug connector pivotally coupled to the spring piece;

the spring piece has an inverted U-shaped or inverted R-shaped spring plate, a pair of teeth formed at two free ends of the spring plate and extending inwardly and perpendicularly, and a pair of wings extending sideward from the spring plate, two through-holes being defined in the pair of teeth for pivotally engaging with the plug connector, the wings defining through-holes for securing the spring piece to the secondary eyeglasses.

5. The plug connection type eyeglasses assembly according to claim 2 , wherein the plug type turnover mechanism comprises a second spring wire formed elastomer fixed to the secondary eyeglasses at a position corresponding to the primary nosepiece of the primary eyeglasses and the plug connector pivotally coupled to the second spring wire formed elastomer, the second spring wire formed elastomer being cross-shaped and having a main body, an upper end of the main body forming a pair of teeth, an upper portion of the main body defining an elongated slot, a lower portion of the main body defining a hole communicating with the slot, a metal wire having one end thereof fixed in the hole and the other end thereof extending in the elongated slot and tilted upward between the pair of teeth, a pair of wings extending sideward from middle of the main body, two through-holes being defined in the pair of teeth for pivotally engaging with the plug connector, the wings defining through-holes for securing the second spring wire formed elastomer to the secondary eyeglasses.

6. The plug connection type eyeglasses assembly according to claim 3 , wherein the plug type turnover mechanism comprises an individual tooth at a position of the secondary eyeglasses corresponding to the primary nosepiece of the primary eyeglasses, a multi-functional elastomer pivotally coupled with the individual tooth, and the plug connector fixed to the multi-functional elastomer, the multi-functional elastomer comprising an inverted U-shaped or inverted R-shaped spring plate and a pair of teeth formed at two free ends of the spring plate and extending inwardly and perpendicularly.

7. The plug connection type eyeglasses assembly according to claim 2 , wherein the plug type turnover mechanism comprises a connection member at a position of the secondary eyeglasses corresponding to the primary nosepiece of the primary eyeglasses, an individual tooth pivotally coupled to the connection member, and an plug connector fixed to the individual tooth.

8. The plug connection type eyeglasses assembly according to claim 2 , wherein the plug type turnover mechanism comprises a rapid lens-change clamp fixed to the secondary eyeglasses at a position corresponding to the primary nosepiece of the primary eyeglasses and a multi-functional elastomer pivotally coupled to the rapid lens-change clamp.

9. The plug connection type eyeglasses assembly according to claim 8 , wherein the rapid lens-change clamp comprises an upper clamp body, a lower clamp body, and a middle arced back connecting the upper and the lower clamp bodies, an inner surface of the upper clamps body defining a first clamp groove, an inner surface of the lower clamp body defining a second clamp groove aligning with the first clamp groove, the secondary eyeglasses being clamped between the upper groove and the lower groove.

10. The plug connection type eyeglasses assembly according to claim 9 , wherein an individual tooth is formed on the arced back adjacent to the upper clamp body and projects outwardly for pivotally coupling with the multi-functional elastomer.