Installation method based on earphone cord folding plug mechanism

The invention discloses an installation method based on an earphone cord folding plug mechanism; the structure comprises a pin, a pin case, a housing and a bolt; a cavity is formed in a pin case; a round opening is respectively arranged on the left and right sides of the pin case; an opening is arranged on the front end and the bottom end of the pin case; the pin is connected on the front openingof the pin case; a groove is arranged in the housing; the top of the housing is connected with the bottom opening of the pin case; the bolt comprises a screw rod and nuts, wherein one nut is respectively arranged on the left and right ends of the bolt; the center of the screw rod is provided with a plug hole; two nuts of the bolt are respectively arranged on the round opening of the left and rightsides of the pin case; the tail of the pin is connected with a screw hole of the bolt; the screw rod can be well matched with the mechanism in usage. 本发明公开了基于耳机线可折叠插头机构的安装方法，包括插针、插头壳、壳体以及螺栓；所述插头壳的内部设有空腔，该插头壳左右两侧均设有圆形开口，该插头壳前端