Long-service-life protection structure for a leading-out wire of a motor

摘要

#$%^&*AU2017100843A420170727.pdf#####TITLE: LONG-SERVICE-LIFE PROTECTION STRUCTURE FOR A LEADING-OUT WIRE OF A MOTOR Abstract A long-service-life protection structure for a leading-out wire of a motor, characterized in that a positioning notch having an opening facing a motor shell and running through an axial end face of a motor end cover is formed on a side wall of the motor end cover, or a positioning notch having an opening facing a motor end cover and running through an axial end face of a motor shell is formed on a side wall of the motor shell; the positioning notch is of an open structure in which the opening is gradually enlarged; a wire grommet is fitted at the positioning notch, and a via hole for allowing the leading-out wire to pass therethrough is formed on the wire grommet; the wire grommet consists of a positioning portion, an outer limiting portion located on an outer side of the positioning portion, and an inner limiting portion located on an inner side of the positioning portion; an outer edge of the positioning portion and the positioning notch are the same in shape; part or all of the outer edge of the outer limiting portion is located on an outer side of the outer edge of the positioning portion, and part or all of the outer edge of the inner limiting portion is located on an inner side of the outer edge of the positioning portion; and the wire grommet is coordinated with the motor so that the positioning portion is located within the positioning notch and a side wall of the motor is located between the outer limiting portion and the inner limiting portion; the axial length of the outer limiting portion is greater than that of the positioning portion; when the positioning notch is arranged on the motor end cover, the wire grommet, the motor shell and the motor end cover are fixed together, with the outer limiting portion covering the positioning notch, and with one end of the outer limiting portion extends to the outer side of the side wall of the motor shell and closely fitting the side wall of the motor shell; when the positioning notch is arranged on the motor shell, the wire grommet, the motor shell and the motor end cover are fixed together, with the outer limiting portion covering the positioning notch, and with one end of the outer limiting portion extends to the outer side of the side wall of the motor end cover and closely fitting the side wall of the motor end cover 5 43 44 41 121