Patents Assigned to Dongguan Leader Precision Industry Co., Ltd.
  • Patent number: 11888271
    Abstract: An electrical connector includes an insulating body, a first installation module and a second installation module. The first installation module includes a first internal circuit board and a first terminal adapter block. The second installation module includes a second internal circuit board and a second terminal adapter block. The first internal circuit board and the first terminal adapter block include first fool-proof portions that cooperate with each other. The second internal circuit board and the second terminal adapter block include second fool-proof portions that cooperate with each other. The first fool-proof portions are different from the second fool-proof portions, thereby preventing the first terminal adapter block from being incorrectly connected to the second internal circuit board, and preventing the second terminal adapter block from being incorrectly connected to the first internal circuit board.
    Type: Grant
    Filed: September 15, 2021
    Date of Patent: January 30, 2024
    Assignee: DONGGUAN LEADER PRECISION INDUSTRY CO., LTD.
    Inventors: Bo Wang, Xiaolei Lv, Jiamei Wan, Jinqi Li
  • Publication number: 20230420899
    Abstract: Provided are a charging adapter device and an installing method of a charging adapter device. The charging adapter device includes a connector, and the connector includes a housing and a plurality of terminals. The charging adapter device further includes an adapter plate and a plurality of pins. The adapter plate is arranged in the housing and electrically connected to the terminals. The pins are electrically connected to the adapter plate such that the pins are electrically conductive with the connector through the adapter plate.
    Type: Application
    Filed: September 12, 2023
    Publication date: December 28, 2023
    Applicant: Dongguan Leader Precision Industry Co., Ltd.
    Inventors: Xiaoqing ZHANG, Lijun XU
  • Patent number: 11799254
    Abstract: Provided are a charging adapter device and an installing method of a charging adapter device. The charging adapter device includes a connector, and the connector includes a housing and a terminal. The charging adapter device further includes an adapter plate and two pins. The adapter plate is arranged in the housing and electrically connected to the terminal. The two pins are separately electrically connected to the adapter plate such that the two pins are electrically conductive with the connector through the adapter plate. The charging adapter device achieves the convenience of charging for the product. The installing method of the charging adapter device improves the installation efficiency of the charging adapter device.
    Type: Grant
    Filed: August 12, 2021
    Date of Patent: October 24, 2023
    Assignee: Dongguan Leader Precision Industry Co., Ltd.
    Inventors: Xiaoqing Zhang, Lijun Xu
  • Patent number: 11557867
    Abstract: A modular connector includes a housing, a circuit board located in the housing, a connector assembly connected to the circuit board, and a coil module mounted to the circuit board. The connector assembly includes a number of conductive terminals. The coil module includes a first coil module and a second coil module. The first coil module includes a number of first coils and a number of first coil groups. The second coil module includes a second coil. The second coil is divided into a number of second coil groups along its circumference. The first coil groups and corresponding second coil groups are coupled, thereby improving the electromagnetic shielding effect of the modular connector.
    Type: Grant
    Filed: April 13, 2021
    Date of Patent: January 17, 2023
    Assignee: DONGGUAN LEADER PRECISION INDUSTRY CO., LTD.
    Inventors: Xiaolei Lv, Bo Wang, Xiao Kong, Jinqi Li
  • Publication number: 20220376438
    Abstract: A plug connector includes a plug head, a plug terminal module, a locking member and a retaining body installed on one side of the plug connector. The plug terminal module includes a number of first plug terminals and a number of second plug terminals. The first plug terminals and the second plug terminals have a same structure and number. The first plug terminals and the second plug terminals are symmetrically arranged on opposite sides of the plug connector head.
    Type: Application
    Filed: March 15, 2022
    Publication date: November 24, 2022
    Applicant: DONGGUAN LEADER PRECISION INDUSTRY CO., LTD.
    Inventors: Bo Wang, Jinqi Li, Jiamei Wan
  • Publication number: 20220376439
    Abstract: A receptacle connector includes an insulating portion, a receptacle terminal module mounted to the insulating portion, a metal shell enclosing the insulating portion, and a receptacle circuit board. The insulating portion includes a receiving space and a mating space extending from the receiving space. The mating space extends through the insulating portion to form a mating port. The receptacle terminal module includes a first terminal module and a second terminal module. The first terminal module and the second terminal module have a same structure, and are symmetrically arranged on opposite sides of the mating space. The first terminal module and the second terminal module are electrically connected to the receptacle circuit board.
    Type: Application
    Filed: March 15, 2022
    Publication date: November 24, 2022
    Applicant: DONGGUAN LEADER PRECISION INDUSTRY CO., LTD.
    Inventors: Bo Wang, Jinqi Li, Jiamei Wan
  • Patent number: 11444423
    Abstract: The present disclosure provides a method for manufacturing connector, comprising steps of: Obtaining a terminal module comprising a terminal body and a plurality of terminals, wherein the terminal body comprises an interface part, a hollow area, and an electrical connecting part, the hollow area is disposed between the interface part and the electrical connecting part, the plurality of terminals is disposed on the terminal body, each terminal passes through the interface part, the hollow area, and the electrical connecting part. Assembling a housing on the terminal module, wherein the hollow area passed by the plurality of the terminals is exposed from the housing. Inject-molding a waterproof block into the hollow area, wherein the waterproof block encases the plurality of the terminals disposed in the hollow area, the waterproof block is disposed between the interface part and the electrical connecting part.
    Type: Grant
    Filed: June 2, 2020
    Date of Patent: September 13, 2022
    Assignee: DONGGUAN LEADER PRECISION INDUSTRY CO., LTD
    Inventor: MengJie Peng
  • Patent number: 11431133
    Abstract: The present disclosure discloses an electrical connector including an insulating body, a number of conductive terminals disposed in the insulating body, a metal inner shell enclosing the insulating body and a metal outer shell covering the metal inner shell. The metal inner shell includes a top wall, a bottom wall and two side walls connecting the top wall and the bottom wall so as to form a receiving space to mate with a mating connector. The metal outer shell includes a base portion and two side portions bent downwardly from two sides of the base portion. The top wall is provided with a rivet line, and the base portion is attached and welded to the top wall. The electrical connector of the present disclosure has a stable structure and is not easily damaged.
    Type: Grant
    Filed: July 6, 2020
    Date of Patent: August 30, 2022
    Assignee: DONGGUAN LEADER PRECISION INDUSTRY CO., LTD.
    Inventors: Binquan Tang, Xiaoqing Zhang, Lijun Xu
  • Patent number: 11381041
    Abstract: The present disclosure discloses an electrical connector including an insulating body, a plurality of conductive terminals, a shielding shell and an outer metal shell. The insulating body has a tongue plate. The plurality of conductive terminals include a ground terminal and a signal terminal. Each of the ground terminal and the signal terminal includes a contact portion exposed on the tongue plate. The outer metal shell is provided with a mounting portion for being mounted to a circuit board. The shielding shell is in contact with the ground terminal, and the outer metal shell is in contact with the shielding shell. There is no need to provide any mounting part on the shielding shell to be directly mounted on the circuit board, thereby saving installation space and improving installation convenience.
    Type: Grant
    Filed: January 15, 2021
    Date of Patent: July 5, 2022
    Assignee: DONGGUAN LEADER PRECISION INDUSTRY CO., LTD.
    Inventors: Hongqiang Xu, Lijun Xu, Yong Wang
  • Patent number: 11367975
    Abstract: The present disclosure an electrical connector having an insulating body and a number of conductive terminals. The insulating body includes a base portion and an extension portion. The extension portion includes a first surface and a second surface. The conductive terminals include a number of first contact portions located on a same side of the first surface and a number of second contact portions located on a same side of the second surface. At least part of surfaces of the first contact portions do not protrude beyond the first surface. At least part of surfaces of the second contact portions do not protrude beyond the second surface. As a result, the electrical connector of the present disclosure can avoid a short circuit problem between adjacent conductive terminals due to accumulation of a certain degree of dirt.
    Type: Grant
    Filed: October 21, 2020
    Date of Patent: June 21, 2022
    Assignee: DONGGUAN LEADER PRECISION INDUSTRY CO., LTD.
    Inventors: Hongqiang Xu, Lijun Xu
  • Publication number: 20220190532
    Abstract: Provided are a charging adapter device and an installing method of a charging adapter device. The charging adapter device includes a connector, and the connector includes a housing and a terminal. The charging adapter device further includes an adapter plate and two pins. The adapter plate is arranged in the housing and electrically connected to the terminal. The two pins are separately electrically connected to the adapter plate such that the two pins are electrically conductive with the connector through the adapter plate. The charging adapter device achieves the convenience of charging for the product. The installing method of the charging adapter device improves the installation efficiency of the charging adapter device.
    Type: Application
    Filed: August 12, 2021
    Publication date: June 16, 2022
    Applicant: Dongguan Leader Precision Industry Co., Ltd.
    Inventors: Xiaoqing ZHANG, Lijun XU
  • Patent number: 11322896
    Abstract: An electrical connector includes a first conductive terminal, a second conductive terminal, an insulated body integrally molded on the first conductive terminal and the second conductive terminal, and a metallic shell on the insulated body. The insulated body includes a first tongue portion and a second tongue portion aligned side by side. The first conductive terminal is provided with a first contact portion. The second conductive terminal is provided with a second contact portion. The metallic shell includes a first cylinder portion provided with a first space and a second cylinder portion provided with a second space. The first cylinder portion surrounding the first tongue portion and the second cylinder portion surrounding the second tongue portion share a dividing portion for separating the first space from the second space, so that the two electrical connection ports of the electrical connector are independent and avoid mutual influence between the two electrical connection ports.
    Type: Grant
    Filed: November 20, 2020
    Date of Patent: May 3, 2022
    Assignee: DONGGUAN LEADER PRECISION INDUSTRY CO., LTD
    Inventors: Yong Wang, Li-Jun Xu, Hong-Qiang Xu, Meng-Jie Peng
  • Patent number: 11303071
    Abstract: A connector includes first contacts, second contacts, a middle plate, a first electromagnetic compatibility (EMC) pad, a second EMC pad, an insulating body, and a spacer. The middle plate is clamped between the first contacts and the second contacts. The first EMC pad is located above the first contacts. The second EMC pad is located below the second contacts. The first EMC pad and the second EMC pad are connected to the middle plate respectively. The insulating body is partially embedded with the first contacts, the second contacts, the middle plate, the first EMC pad, and the second EMC pad. The spacer is formed between the first contacts and the second contacts, and is partially embedded with the first contacts and the second contacts. A manufacturing method where the connector is assembled as a semi-finished product in advance is further provided to reduce the production cost.
    Type: Grant
    Filed: September 10, 2020
    Date of Patent: April 12, 2022
    Assignee: DONGGUAN LEADER PRECISION INDUSTRY CO., LTD
    Inventors: Li-Jun Xu, Hong-Qiang Xu, Meng-Jie Peng, Yong Wang
  • Publication number: 20220094120
    Abstract: An electrical connector includes an insulating body, a first installation module and a second installation module. The first installation module includes a first internal circuit board and a first terminal adapter block. The second installation module includes a second internal circuit board and a second terminal adapter block. The first internal circuit board and the first terminal adapter block include first fool-proof portions that cooperate with each other. The second internal circuit board and the second terminal adapter block include second fool-proof portions that cooperate with each other. The first fool-proof portions are different from the second fool-proof portions, thereby preventing the first terminal adapter block from being incorrectly connected to the second internal circuit board, and preventing the second terminal adapter block from being incorrectly connected to the first internal circuit board.
    Type: Application
    Filed: September 15, 2021
    Publication date: March 24, 2022
    Applicant: DONGGUAN LEADER PRECISION INDUSTRY CO., LTD.
    Inventors: Bo Wang, Xiaolei Lv, Jiamei Wan, Jinqi Li
  • Patent number: 11268204
    Abstract: A metallic terminal includes a terminal body, a first plating layer, a second plating layer, and a third plating layer. The first plating layer is on the terminal body, and the thickness of the first plating layer at the bent portion of the terminal body is 0.3 to 1.75 micrometers, and the thickness of rest portions of the first plating layer is 2 to 10 micrometers. The second plating layer is on the first plating layer and corresponds to the contact portion of the terminal body, and the thickness of the second plating layer is 0.5 to 2 micrometers. The third plating layer is on the first plating layer and corresponds to the soldering portion of the terminal body, and the thickness of the third plating layer is 0.01 to 0.1 micrometers. A manufacturing method of metallic terminal is also provided.
    Type: Grant
    Filed: July 23, 2020
    Date of Patent: March 8, 2022
    Assignee: DONGGUAN LEADER PRECISION INDUSTRY CO., LTD.
    Inventors: Guo-Dong Li, Li-Jun Xu, Xiao-Qing Zhang, Knight Zhang
  • Patent number: 11251572
    Abstract: A connector includes an insulated member, a plurality of first conductive terminals, a plurality of second conductive terminals, a shielding shell, and a metal housing. The first conductive terminals are disposed on an upper surface of the insulated member and extending rearward. The second conductive terminals are disposed on a lower surface of the insulated member, extending rearward, and located below the first conductive terminals. The shielding shell is fitted over the insulated member, and the shielding shell has a plug end and a mounting end. The metal housing has a plurality of grounding structures, the metal housing is fitted over the mounting end of the shielding shell, and the grounding structures are completely located below the second conductive terminals.
    Type: Grant
    Filed: September 16, 2020
    Date of Patent: February 15, 2022
    Assignee: Dongguan Leader Precision Industry Co., Ltd
    Inventors: Hong-Qiang Xu, Li-Jun Xu, Gao-Fei He, Meng-Jie Peng
  • Patent number: 11228137
    Abstract: A waterproof connector includes a first terminal module, a second terminal module, a covering module and an outer shell. The first terminal module includes a first insulating body and a number of first terminals. The second terminal module includes a second insulating body and a number of second terminals. The first insulating body is provided with a first hollow groove. The second insulating body is provided with a second hollow groove. The outer shell is provided with a top surface. The top surface is provided with a first glue pouring port communicating with the second hollow groove. The waterproof connector is provided with a first sealant poured into the first hollow groove, and a second sealant poured into the second hollow groove. The second sealant and the first sealant are two pieces. As a result, the waterproof performance of the waterproof connector is improved.
    Type: Grant
    Filed: September 28, 2020
    Date of Patent: January 18, 2022
    Assignee: DONGGUAN LEADER PRECISION INDUSTRY CO., LTD
    Inventors: Hongqiang Xu, Lijun Xu, Mengjie Peng
  • Publication number: 20210359476
    Abstract: A modular connector includes a housing, a circuit board located in the housing, a connector assembly connected to the circuit board, and a coil module mounted to the circuit board. The connector assembly includes a number of conductive terminals. The coil module includes a first coil module and a second coil module. The first coil module includes a number of first coils and a number of first coil groups. The second coil module includes a second coil. The second coil is divided into a number of second coil groups along its circumference. The first coil groups and corresponding second coil groups are coupled, thereby improving the electromagnetic shielding effect of the modular connector.
    Type: Application
    Filed: April 13, 2021
    Publication date: November 18, 2021
    Applicant: DONGGUAN LEADER PRECISION INDUSTRY CO., LTD.
    Inventors: Xiaolei LV, Bo Wang, Xiao Kong, Jinqi Li
  • Patent number: 11152749
    Abstract: The present application discloses an electrical connector including a first lower insulating housing, a second upper insulating housing, a number of first conductive terminals held on the first lower insulating housing, and a number of second conductive terminals held on the second upper insulating housing. Each first conductive terminal includes a first tail portion for connecting with a printed circuit board. Each second conductive terminal includes a second tail portion for connecting with the printed circuit board. The first tail portions are arranged in a first and front row and the second tail portions are arranged in a second and rear row spaced away from the first and front row. A waterproof plate is formed between the first tail portions and the second tail portions by glue injection.
    Type: Grant
    Filed: July 1, 2020
    Date of Patent: October 19, 2021
    Assignee: DONGGUAN LEADER PRECISION INDUSTRY CO., LTD.
    Inventors: Hongqiang Xu, Lijun Xu
  • Patent number: D969082
    Type: Grant
    Filed: July 6, 2020
    Date of Patent: November 8, 2022
    Assignee: DONGGUAN LEADER PRECISION INDUSTRY CO., LTD.
    Inventors: Bingquan Tang, Xiaoqing Zhang, Lijun Xu