Electrical connectors – With sealing element or material for cooperation with... – Combined with distinct cable sheath sealing element or material
Patent
1995-03-23
1997-06-03
Pirlot, David L.
Electrical connectors
With sealing element or material for cooperation with...
Combined with distinct cable sheath sealing element or material
439589, H01R 1352
Patent
active
056348070
ABSTRACT:
A waterproof structure of a connector comprises a rubber waterproof plug (17, 61, 67, 71) engaged with a rear end portion (24) of a connector (23) for waterproofing of the connector, the rubber waterproof plug being formed with a plurality of wire insertion holes (27) through which wires (31) led out of the connector are passed under airtight condition. The plug is also provided with at least one non-used wire insertion hole (35) and with a waterproof plug cover (19, 63) also engaged with the rear end portion (24) of the connector for covering the rubber waterproof plug, the waterproof plug cover being formed with a plurality of wire leading holes (45) through which the wires (31) passed through the wire insertion holes (27) are led out to the outside. The cover is also provided with at least one sealing portion (47) for sealing the non-used wire insertion hole or holes (35) and, in particular, with at least one waterproof rib (33, 65) formed integral with the rubber waterproof plug (17) at the non-used wire insertion hole (35) thereof, or formed integral with the waterproof plug cover (19, 63) at the sealing portion (47) thereof, so as to project from the rubber waterproof plug to the waterproof plug cover or, vice versa, into airtight contact with the an opposing surface thereof when the waterproof plug cover (19) is fitted to the rubber waterproof plug (17). Therefore, the non-used wire insertion hole (35) of the rubber waterproof plug (17) can be sealed easily and securely by the waterproof rib (33), and the shape of the rubber waterproof cover (19) can also be simplified.
REFERENCES:
patent: 4973268 (1990-11-01), Smith et al.
patent: 5252088 (1993-10-01), Morello et al.
patent: 5299949 (1994-04-01), Fortin
Biggi Brian J.
Pirlot David L.
Yazaki -Corporation
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