Elastic hinge, and spectacle frame and manufacturing method thereof

The invention discloses an elastic hinge, and a spectacle frame and a manufacturing method thereof. According to the technical scheme, The elastic hinge comprises a hinge head, a slingshot core and aslingshot shell, the end face, facing the hinge head, of the slingshot shell is a front end face, a slingshot cavity is formed in the side wall of the slingshot shell, the slingshot core is pressed and embedded into the slingshot cavity from the side wall of the slingshot shell, the hinged end of the slingshot core is arranged on the front end face of the slingshot shell and hinged to the hinge head, and can slide in the slingshot cavity. According to the elastic hinge, the slingshot core can be installed on the slingshot shell only by pressing and embedding the slingshot core into the slingshot cavity from the side wall of the slingshot shell, the slingshot core does not need to be fixed through screws during installation, and the installed slingshot core and the slingshot shell have goodintegrity, uniformity and