US 11,942,718 B2
Assembled type waterproof male and female plug for string light connection
Shifang Wang, Dongguan (CN)
Assigned to GUANGDONG GUANYI LIGHTING CO., LTD., Shaoguan (CN)
Filed by Guangdong Guanyi Lighting Co., LTD., Shaoguan (CN)
Filed on Apr. 12, 2023, as Appl. No. 18/299,424.
Claims priority of application No. 202220919560.7 (CN), filed on Apr. 20, 2022.
Prior Publication US 2023/0246380 A1, Aug. 3, 2023
Int. Cl. H01R 13/52 (2006.01); F21V 21/005 (2006.01); F21V 23/06 (2006.01); F21V 31/00 (2006.01)
CPC H01R 13/5216 (2013.01) [F21V 21/005 (2013.01); F21V 23/06 (2013.01); F21V 31/005 (2013.01)] 11 Claims
OG exemplary drawing
 
1. An assembled type waterproof male and female plug for string light connection, comprising a first electrical wire (1) and a second electrical wire (2), wherein the first electrical wire (1) is provided with a male connector (3); the second electrical wire (2) is provided with a female connector (4); the male connector (3) and the female connector (4) are configured to be plugged to each other;
the male connector (3) comprises a first assembly part (31), a second assembly part (32), a first sealing member (35) and a first protective shell (36); wherein the first assembly part (31) is provided with a first conductive terminal group (33); the first conductive terminal group (33) is provided with at least two plugging ends (331) for connecting the female connector (4); the first assembly part (31) and the second assembly part (32) are opposite to and spliced with each other to form a first cavity (34); the first electrical wire (1) extends into the first cavity (34) and is electrically connected to the first conductive terminal group (33); the first sealing member (35) is arranged at end portions of the first assembly part (31) and the second assembly part (32), and configured to prevent external water from entering the first cavity (34) through gap between the end portions of the first assembly part (31) and the second assembly part (32); the first protective shell (36) is configured to sleeve the first assembly part (31) and the second assembly part (32) together; and a bottom of the first protective shell (36) is provided with a first annular platform portion (361) for fixing the first sealing members (35) to the end portions of the first assembly part (31) and the second assembly part (32);
the female connector (4) comprises a third assembly part (41), a fourth assembly part (42), a second sealing member and a second protective shell (46); wherein the third assembly part (41) is provided with a second conductive terminal group (43); the second conductive terminal group (43) is provided with contact ends (431) electrically connected to the plugging ends (331); the third assembly part (41) and the fourth assembly part (42) are opposite to and spliced with each other to form a second cavity (44); the second electrical wire (2) extends into the second cavity (44); and the second electrical wire (2) is electrically connected with the second conductive terminal group (43); the second sealing member (45) is arranged at end portions of the third assembly part (41) and the fourth assembly part (42), and configured to prevent external water from entering the second cavity 44 through gab between the end portions of the third assembly part (41) and the fourth assembly part (42); the second protective shell (46) is configured to sleeve the third assembly part (41) and the fourth assembly part (42) together; and a bottom of the second protective shell (46) is provided with a second annular platform portion (461) for fixing the second sealing members (45) to the end portions of the third assembly part (41) and the fourth assembly part (42).