Plug-in string lamp structure

A novel plug-in string lamp structure, comprising a string lamp connecting line (1), a male connector (21) electrically connected to one end of the string lamp connecting line (1), and a female connector (22) electrically connected to the other end of the string lamp connecting line (1), wherein the string lamp connecting line (1) is provided with bulb components (3) which are arranged in sequence at intervals along the string lamp connecting line (1), and each of the bulb components (3) comprises a lamp cap (4), a luminescent light source (5) and a light-transmitting lampshade (6), respectively;

• wherein the lamp cap (4) comprises a plastic inner core (41), the plastic inner core (41) is formed with an inner core accommodating cavity (411) which runs through the plastic inner core from top to bottom completely, the string lamp connecting wire (1) is provided with a positive lead (111) and a negative lead (121) which are inserted into the inner core accommodating cavity (411), the core of the positive lead (111) is welded or riveted with a positive contact terminal (112), the core of the negative lead (121) is welded or riveted with a negative contact terminal (122), and the positive contact terminal (112) and the negative contact terminal (122) are located in the inner core accommodating cavity (411), respectively;
• the lamp cap (4) further comprises a rubber-coated member (42), and the rubber-coated member (42) is injection-molded into an integrated structure with the upper end of the plastic inner core (41), the outer skin of the positive lead (111) and the outer skin of the negative lead (121);
• the luminescent light source (5) is provided with a light source positive pin (511) and a light source negative pin (512), the upper end of the luminescent light source (5) is inserted into the inner core accommodating cavity (411) of the plastic inner core (41), the light source positive pin (511) of the luminescent light source (5) is in contact with and in electric communication with the positive contact terminal (112) of the positive lead (111), and the light source negative pin (512) of the luminescent light source (5) is in contact with and in electric communication with the negative contact terminal (122) of the negative lead (121).