# US 11,909,135 B2 · USB plug with fixing structure for convenient installation > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,909,135 B2 - Document ID: US11909135B2 - Status: Granted - Kind: B2 - Application number: 17/561,985 - Filed: 2021-12-26 - Published: 2023-06-08 - Granted: 2024-02-20 - Earliest claimed: 2021-12-08 - Assignees: Taizhou Xiangcheng Optoelectronics Technology Co., Ltd. - Applicants: Taizhou Xiangcheng Optoelectronics Technology Co., Ltd. - Inventors: Huan Liang - Web page: https://patentgrep.com/patent/US11909135B2 ## CPC - H01R 12/716: {Coupling device provided on the PCB} - H01R 13/6658: {on printed circuit board (H01R13/6666 - H01R13/6691 take precedence)} - H01R 13/506: assembled by snap action of the parts - H01R 24/62: Sliding engagements with one side only, e.g. modular jack coupling devices - H01R: ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS ## Abstract The present invention provides a USB plug with fixing structure for convenient installation, and tends to provide a USB plug with better integrity, simple structure and practicability, the key point of the technical solution of the present invention is that a USB plug body includes an upper housing, a lower housing and circuit boards disposed in the upper housing and the lower housing, the USB plug further includes a plug portion including an extending plate integrally connected with the lower housing, a contact pad structure integrally connected with the circuit board and abutting the extending plate, and a metal housing sleeved outside the extending plate and the contact pad structure, and the present invention is applied to the technical field of USB plugs. ## Claims ### Claim 1 A USB plug with fixing structure for convenient installation, comprising a USB plug body comprising an upper housing (1), a lower housing (2) and circuit boards (3) disposed in the upper housing (1) and the lower housing (2), wherein the USB plug further comprises a plug portion comprising an extending plate (40) integrally connected with the lower housing (2), a contact pad structure (41) integrally connected with the circuit board (3) and abutting the extending plate (40), and a metal housing (42) sleeved outside the extending plate (40) and the contact pad structure (41); a fixing structure is disposed between the metal housing (42) and the upper housing and the lower housing (2), the fixing structure comprises an abutting structure (10) disposed on the upper housing (1), and a spacing between the abutting structure (10) and the extending plate (40) is larger than a spacing between inner walls in a width direction of the metal housing (42); wherein the abutting structure (10) comprises a main structure (101) and side structures (102) respectively disposed on both sides of the main structure (101), and a gap is disposed between the two side structures (102) and the main structure (101). ### Claim 2 (depends on 1) The USB plug with fixing structure for convenient installation according to claim 1, wherein a difference between the spacing between the abutting structure (10) and the extending plate (40) and the spacing of the inner walls in the width direction of the metal housing (42) is between 0.05 mm and 0.1 mm. ### Claim 3 (depends on 1) The USB plug with fixing structure for convenient installation according to claim 1, wherein the extending plate (40) is provided with an inset groove (401), and a depth of the inset groove (401) is identical with a thickness of the contact pad structure (41). ### Claim 4 (depends on 3) The USB plug with fixing structure for convenient installation according to claim 3, wherein a fastening structure is provided between the inset groove (401) and the contact pad structure (41), the fastening structure comprises a latching strip structure (404) disposed along an inner wall of the inset groove (401), and the latching strip structure (404) is provided with an inner groove structure. ### Claim 5 (depends on 1) The USB plug with fixing structure for convenient installation according to claim 1, wherein the fixing structure further comprises a concave groove structure (402) disposed on two side walls of the extending plate (40) and the abutting structure (10) and a convex structure (402) disposed on the metal housing (42) and fitted with the concave groove structure (402). ### Claim 6 (depends on 1) The USB plug with fixing structure for convenient installation according to claim 1, wherein a ratio between a length of the contact pad structure (41) and a length of the circuit board (3) is between 1:2.5 and 1:3. ### Claim 7 (depends on 1) The USB plug with fixing structure for convenient installation according to claim 1, wherein an outlet hole (5) is disposed between the upper housing (1) and the lower housing (2), the upper housing (1) is provided with a wire pressing plate (11), the wire pressing plate (11) comprises a motherboard structure (110) and side board structures (111) respectively disposed on both sides of the motherboard structure (110). ### Claim 8 (depends on 7) The USB plug with fixing structure for convenient installation according to claim 7, wherein a height of the motherboard structure (110) is larger than that of the side board structure (111).