# US 10,483,685 B2 · Waterproof cover, connection device and mobile terminal > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,483,685 B2 - Document ID: US10483685B2 - Status: Granted - Kind: B2 - Application number: 15/890,793 - Filed: 2018-02-07 - Published: 2018-08-30 - Granted: 2019-11-19 - Earliest claimed: 2017-02-27 - Assignees: Guangdong Oppo Mobile Telecommunications Corp., Ltd. - Applicants: Guangdong Oppo Mobile Telecommunications Corp., Ltd. - Inventors: Haijin Hu; Xinquan Zhou; Yimei Tang; Yi Sun; Jingming Wan - Web page: https://patentgrep.com/patent/US10483685B2 ## CPC - H01R 13/5202: {Sealing means between parts of housing or between housing part and a wall, e.g. sealing rings} - H01R 13/521: {Sealing between contact members and housing, e.g. sealing insert} - H01R 13/5213: {Covers} - H01R 13/74: Means for mounting coupling parts in openings of a panel - H01R: ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS ## Abstract A waterproof cover for a connector is disclosed. The waterproof cover includes a water blocking portion configured to surround a periphery of a connector; a sealing portion fastened to an end of the water blocking portion, configured to be sleeved on a tail end of the connector to seal the tail end of the connector, to block water in a space between the water blocking portion and the connector. The water blocking portion can surround the periphery of the connector, and block the water leaking from the periphery of the connector from flowing outwards from the connector. The sealing portion can prevent water from leaking from the tail end of the connector to the outside of the connector, and block in a space between the water blocking portion and the connector. A connection device and a mobile terminal are also disclosed. ## Claims ### Claim 1 A waterproof cover for a connector, comprising: a water blocking portion, configured to surround a periphery of the connector; and a sealing portion, fastened to an end of the water blocking portion, and configured to be sleeved on a tail end of the connector to seal the tail end of the connector, to block water in a space between the water blocking portion and the connector, wherein an inner sidewall of the water blocking portion is provided with a groove matching an elastic piece that is extended outward from an inner sidewall of a through hole provided on an insertion board of the connector, the insertion board being extended from a head end of the connector to the tail end of the connector opposite to the head end, and the elastic piece being configured to, when an external plug is inserted into the connector, press against the external plug to stabilize a connection between the external plug and the connector. ### Claim 2 (depends on 1) The waterproof cover of claim 1, wherein the waterproof cover further comprises an inserting portion fastened to an end of the water blocking portion opposite to the sealing portion, the inserting portion is configured to be inserted into an aperture of a housing, and an outer sidewall of the inserting portion is configured to be abutted on an inner sidewall of the aperture closely when the inserting portion is inserted into the aperture. ### Claim 3 (depends on 2) The waterproof cover of claim 2, wherein the outer sidewall of the inserting portion is provided with an aperture waterproof rib along a circumferential direction, and the aperture waterproof rib is configured to be abutted on the inner sidewall of the aperture. ### Claim 4 (depends on 2) The waterproof cover of claim 2, wherein the water blocking portion is configured to be inserted into the aperture of the housing, an outer sidewall of the water blocking portion is provided with an outer side waterproof rib along a circumferential direction, and the outer side waterproof rib is configured to be abutted on an inner sidewall of the aperture. ### Claim 5 (depends on 4) The waterproof cover of claim 4, wherein the outer side waterproof rib is configured to be pressed by an inner sidewall of the aperture, so that a part of an inner sidewall of the water blocking portion opposite to the outer side waterproof rib is abutted on an outer sidewall of the connector. ### Claim 6 (depends on 5) The waterproof cover of claim 5, wherein the sealing portion is closer to the outer side waterproof rib than the inserting portion. ### Claim 7 (depends on 1) The waterproof cover of claim 1, wherein an inner sidewall of the sealing portion is provided with a sealing waterproof rib along a circumferential direction, and the sealing waterproofing rib is configured to be abutted on an outer sidewall of the connector. ### Claim 8 (depends on 7) The waterproof cover of claim 7, wherein the waterproof cover is made up of a hard layer and a flexible layer laminated on the hard layer, and the sealing waterproof rib and the flexible layer are integrally formed. ### Claim 9 (depends on 7) The waterproof cover of claim 7, wherein there is a plurality of sealing waterproof ribs, and the plurality of sealing waterproof ribs are arranged along a length of the waterproof cover. ### Claim 10 (depends on 9) The waterproof cover of claim 9, wherein each of the sealing waterproof ribs has a root portion, a top portion opposite to the root portion, and shoulder portions connected between the root portion and the top portion, and two adjacent shoulder portions are closer to each other as the top portion abuts against an outer sidewall of the connector. ### Claim 11 (depends on 1) The waterproof cover of claim 1, wherein an inner side wall of the water blocking portion has an inner diameter larger than an inner side wall of the sealing portion. ### Claim 12 A connection device, comprising: a waterproof cover, comprising: a water blocking portion, configured to surround a periphery of a connector; and a sealing portion, fastened to an end of the water blocking portion, and configured to be sleeved on a tail end of the connector to seal the tail end of the connector, to block water in a space between the water blocking portion and the connector; and the connector, configured to fit into the water blocking portion of the waterproof cover, wherein the tail end of the connector passes through the sealing portion of the waterproof cover and is configured to be connected to a conductive wire, wherein the connector further comprises: a head end opposite to the tail end of the connector and an insertion board extended from the head end to the tail end of the connector, the insertion board being provided with a through hole and an elastic piece extending outward from an inner sidewall of the through hole, the inner sidewall of the water blocking portion being provided with a groove matching the elastic piece, and the elastic piece being configured to, when an external plug is inserted into the connector, press against the external plug to stabilize a connection between the external plug and the connector. ### Claim 13 (depends on 12) The connection device of claim 12, wherein the waterproof cover further comprises an inserting portion fastened to an end of the water blocking portion opposite to the sealing portion, the inserting portion is sleeved on the head end, and an inner sidewall of the inserting portion is provided with a limiting rib configured to be abutted on an end surface of the head end. ### Claim 14 (depends on 12) The connection device of claim 12, wherein the connection device further comprises a mounting bracket, the mounting bracket is fixedly connected to the tail end of the connector for fastening the waterproof cover and the connector on a middle frame. ### Claim 15 (depends on 14) The connection device of claim 14, wherein the mounting bracket is a bended plate, the mounting bracket comprises two free ends opposite to each other and a bended arm connected between the two free ends, the bended arm is fixedly connected to the tail end of the connector, and the two free ends are fastened to the middle frame. ### Claim 16 (depends on 14) The connection device of claim 14, wherein the mounting bracket is a metal member, and the mounting bracket is in conduction with the connector and the middle frame, so that static electricity of the connector is transmitted to a ground of the middle frame. ### Claim 17 A mobile terminal, comprising: a connector, comprising a head end having an opening and a tail end electrically connected to a main board; a waterproof cover for the connector, comprising: a water blocking portion, configured to surround a periphery of the connector; and a sealing portion, fastened to an end of the water blocking portion, and configured to be sleeved on the tail end of the connector to seal the tail end of the connector, to block water in a space between the water blocking portion and the connector; and a housing having an aperture, wherein the connector passes through the aperture, and the sealing portion seals the aperture; and wherein the connector further comprises: the head end opposite to the tail end of the connector and an insertion board extended from the head end to the tail end of the connector, the insertion board being provided with a through hole and an elastic piece extending outward from an inner sidewall of the through hole, the inner sidewall of the water blocking portion being provided with a groove matching the elastic piece, and the elastic piece being configured to, when an external plug is inserted into the connector, press against the external plug to stabilize a connection between the external plug and the connector. ### Claim 18 (depends on 17) The mobile terminal of claim 17, wherein the main board is fastened within the housing. ### Claim 19 (depends on 18) The mobile terminal of claim 18, further comprising a middle frame, the middle frame being fastened within the housing, and both the main board and the tail end of the connector being fastened to the middle frame.