Patent ID: 11894633
Assignee: YAZAKI CORPORATION
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. A connector unit comprising: a first connector and a second connector configured to be fitted to each other; and a seal member configured to, when the first connector and the second connector are fitted to each other, be interposed between the first connector and the second connector,
wherein the first connector includes a fitting portion extending in a first direction in which the first connector is fitted to the second connector, the fitting portion having a distal end portion in the first direction,
wherein the second connector includes a fitted portion configured such that the fitting portion is fitted to the fitted portion,
wherein a thickness of the fitting portion is reduced at the distal end portion with an inner peripheral surface of the distal end portion being recessed toward an outer side in a radial direction of the connector unit,
wherein the fitted portion includes: an attachment portion configured such that the seal member is attached to the attachment portion; and a housing portion provided further in the first direction than the attachment portion,
wherein, when the first connector and the second connector are fitted to each other, the distal end portion is accommodated in the housing portion, and the seal member performs sealing between the fitting portion and the fitted portion by being sandwiched between the attachment portion and a packing contact portion of the fitting portion, the packing contact portion being provided further in a second direction opposite to the first direction than the distal end portion, and
wherein a smooth stepped portion is formed on an inner peripheral surface of a boundary portion between the distal end portion and the packing contact portion.