# US 10,770,827 B2 · Waterproof structure for preventing water from penetrating into electronic products and waterproof annular ring > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,770,827 B2 - Document ID: US10770827B2 - Status: Granted - Kind: B2 - Application number: 15/968,966 - Filed: 2018-05-02 - Published: 2019-07-18 - Granted: 2020-09-08 - Earliest claimed: 2018-01-18 - Assignees: Phihong Technology Co., Ltd. - Applicants: Phihong Technology Co., Ltd. - Inventors: Ming-Ching Tsai - Web page: https://patentgrep.com/patent/US10770827B2 ## CPC - H01R 13/5202: {Sealing means between parts of housing or between housing part and a wall, e.g. sealing rings} - H01F 27/02: Casings - H01R 13/516: Means for holding or embracing insulating body, e.g. casing {, hoods} - H01R: ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS - H01F: MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES ## Abstract The present invention discloses an annular ring for preventing water from penetrating into electronic products including: an annular ring body, the cross section of the annular ring body having a shape with a concave notch; wherein the notch sleeves a protruded edge on a component in an electronic product. In another aspect, the present invention discloses an annular ring for preventing water from penetrating into electronic products including: an annular ring body, the cross section of the annular ring body is slice shaped; wherein the annular ring body is disposed at the lateral side of a protruded edge on a component in an electronic product, such that the lateral surface of the annular ring body fits the lateral surface of the protruded edge. ## Claims ### Claim 1 An annular ring device for preventing water from penetrating into a transformer, wherein said transformer includes a housing and a socket disposed in said housing, wherein said housing includes a concave groove formed therein, wherein said socket includes a protruded edge formed on a side surface thereof, said annular ring comprising: an annular ring body, a cross-section of said annular ring body having a shape with a concave notch; wherein said protruded edge is disposed within said notch, wherein one or more strip-shaped protruded portions are formed on one or two outer lateral surfaces of said annular ring body to provide anti-skid function. ### Claim 2 (depends on 1) The annular ring device of claim 1, wherein an outer lateral surface of said annular ring body fits a lateral wall of said concave groove. ### Claim 3 (depends on 1) An annular ring device of claim 1, wherein said shape with said concave notch includes U shape. ### Claim 4 (depends on 1) An annular ring device of claim 1, wherein said annular ring body is square or circular. ### Claim 5 An annular ring device for preventing water from penetrating into a transformer, wherein said transformer includes a housing and a socket disposed in said housing, wherein said housing includes a concave groove formed therein, wherein said socket includes a protruded edge formed on a side surface thereof, said annular ring comprising: an annular ring body, wherein a cross-section of said annular ring body is slice shaped; wherein said annular ring body is disposed at a lateral side of said protruded edge, such that a lateral surface of said annular ring body fits a lateral surface of said protruded edge, wherein one or more strip-shaped protruded portions are formed on another lateral surface of said annular ring body to provide anti-skid function, a material of said annular ring body includes butadiene rubber (BR), isobutylene isoprene rubber (IIR), complete supplement mixture (CSM), ethylene propylene diene monomer (EPDM), ethylene-propylene rubber (EPR), fluorocarbon (FKM), nitrile butadiene rubber (NBR), perfluoroelastomer (FFKM), polyacrylate rubber (ACR), chloroprene rubber (CR), polyisoprene rubber (IR), polysulfide rubber (PSR), silicone rubber (SIR), styrene butadiene rubber (SBR), styrene, low density polyethylene (LDPE), high density polyethylene (HDPE), linear low density polyethylene (LLDPE), ultra low density polyethylene (ULDPE), polyether, polyester, thermoplastic polyester/polyether elastomers (TEEE), polyamid, melt processable rubber (MPR) or thermoplastic vulcanizate (TPV). ### Claim 6 (depends on 5) The annular ring device of claim 5, wherein said another lateral surface fits a lateral wall of said concave groove. ### Claim 7 (depends on 5) The annular ring device of claim 5, wherein said annular ring body is square or annular. ### Claim 8 A waterproof structure device for preventing water from penetrating into a transformer, said transformer includes a transformer housing, said transformer housing having a protruded edge and a concave groove formed therein, said waterproof structure comprising: an annular ring body, a cross-section of said annular ring body having a shape with a concave notch, wherein said protruded edge is disposed within said notch, wherein an outer lateral surface of said annular ring body fits a lateral wall of said concave groove, wherein one or more strip-shaped protruded portions are formed on one or two outer lateral surfaces of said annular ring body to provide anti-skid function. ### Claim 9 (depends on 8) The waterproof structure device of claim 8, wherein said shape with said concave notch includes U shape. ### Claim 10 (depends on 8) The waterproof structure device of claim 8, wherein said annular ring body is square or circular.