Grommet

A grommet configured to engage around an outer periphery of a wire harness and to be mounted in a through hole of an automobile body panel, the grommet comprising:

• a tubular portion;
• a tapered portion extending from one end of the tubular portion, the tapered portion including an automobile body engagement recess provided on an outer peripheral surface of the tapered portion to engage with the automobile body panel;
• the recess being formed by a first wall provided around the tapered portion at a large diameter end and a second wall provided around the tapered portion and located at a small diameter side of the first wall, the second wall facing the first wall across the recess;
• and
• a plurality of projections provided on an outer peripheral surface of the tapered portion, the plurality of projections extending in an axial direction of the tapered portion and being spaced from each other in a circumferential direction;
• the tapered portion further including an inner recess in an inner peripheral surface of the tapered portion, the inner recess being located at an inner surface side of the second wall, so that the inner recess is provided at least at locations corresponding to, and opposite from, locations of the plurality of projections,
• wherein the plurality of projections extend between a small diameter end, connecting to the tubular portion, and an edge of the second wall, and
• wherein a projection amount of the plurality of projections is changed at a contact point so that a first projection amount between the contact point and the edge of the second wall is smaller than a second projection amount between the contact point and a small diameter side end of the plurality of projections, the contact point being located substantially at a position where an outer surface of the plurality of projections first contacts an inner peripheral surface of the through hole when the grommet is inserted into the through hole from the end of the grommet having the tubular portion.

A grommet configured to engage around an outer periphery of a wire harness and to be mounted in a through hole of an automobile body panel, the grommet comprising:

• a first tubular portion;
• a tapered portion extending from one end of the tubular portion, the tapered portion including an automobile body engagement recess provided on an outer peripheral surface of the tapered portion to engage with the automobile body panel;
• the recess being formed by a first wall provided around the tapered portion at a large diameter end and a second wall provided around the tapered portion and located at a small diameter side of the first wall, the second wall facing the first wall across the recess;
• a plurality of projections provided on an outer peripheral surface of the tapered portion, the plurality of projections extending in an axial direction of the tapered portion and being spaced from each other in a circumferential direction;
• a thin end face portion provided at an end of the large diameter side of the tapered portion;
• and
• a second tubular portion extending outwardly from the center of the end face portion, the second tubular portion configured to receive at least one fixing element that fixes the second generally tubular portion to the wire harness,
• wherein the second tubular portion includes at least a pair of slits facing each other so that the second generally tubular portion is divided into at least two partial tubular portions.

A grommet configured to engage around an outer periphery of a wire harness and to be mounted in a through hole of an automobile body panel, the grommet comprising:

• a first tubular portion;
• a tapered portion extending from one end of the tubular portion, the tapered portion including an automobile body engagement recess provided on an outer peripheral surface of the tapered portion to engage with the automobile body panel;
• the recess being formed by a first wall provided around the tapered portion at a large diameter end and a second wall provided around the tapered portion and located at a small diameter side of the first wall, the second wall facing the first wall across the recess;
• a plurality of projections provided on an outer peripheral surface of the tapered portion, the plurality of projections extending in an axial direction of the tapered portion and being spaced from each other in a circumferential direction;
• a thin end face portion provided at an end of the large diameter side of the tapered portion;
• and
• a second tubular portion extending outwardly from the center of the end face portion, the second tubular portion configured to receive at least one fixing element that fixes the second generally tubular portion to the wire harness,
• wherein the plurality of projections extend in a direction between a small diameter end, connected to the first tubular portion, and an edge of the second wall, and
• wherein a projection amount of the plurality of projections is changed at a contact point so that a first projection amount between the contact point and the edge of the second wall is smaller than a second projection amount between the contact point and a small diameter side end of the plurality of projections, the contact point being located substantially at a position where an outer surface of the plurality of projections first contacts an inner peripheral surface of the through hole when the grommet is inserted into the through hole from the end of the grommet having the first tubular portion.

A grommet configured to engage around an outer periphery of a wire harness and to be mounted in a through hole of an automobile body panel, the grommet comprising:

• a first tubular portion;
• a tapered portion extending from one end of the tubular portion, the tapered portion including an automobile body engagement recess provided on an outer peripheral surface of the tapered portion to engage with the automobile body panel;
• the recess being formed by a first wall provided around the tapered portion at a large diameter end and a second wall provided around the tapered portion and located at a small diameter side of the first wall, the second wall facing the first wall across the recess;
• a thin end face portion provided at an end of the large diameter side of the tapered portion;
• and
• a second tubular portion extending outwardly from the center of the thin end face portion, the second tubular portion configured to receive at least one fixing element that fixes the second generally tubular portion to the wire harness;
• the tapered portion further including an inner recess in an inner peripheral surface of the tapered portion, the inner recess being located at an inner surface side of the second wall, wherein the second tubular portion includes a pair of slits facing each other so that the second general cylindrical portion is divided into two generally half-cylindrical portions.

A grommet configured to engage around an outer periphery of a wire harness and to be mounted in a through hole of an automobile body panel, the grommet comprising:

• a tubular portion;
• a tapered portion extending from one end of the tubular portion, the tapered portion including an automobile body engagement recess provided on an outer peripheral surface of the tapered portion to engage with the automobile body panel,
• the recess being formed by a first wall provided around the tapered portion at a large diameter end and a second wall provided around the tapered portion and located at a small diameter side of the first wall, the second wall facing the first wall across the recess;
• a plurality of outer projecting strip portions provided on an outer peripheral surface of the tapered portion, the plurality of outer projecting strip portions extending in an axial direction of the tapered portion and being spaced from each other in a circumferential direction, the plurality of the outer projecting strip portions being arranged close to each other at a small diameter side of the tapered portion and being radially spread toward a large diameter side;
• and
• at least one small stepped portion provided on a sunken portion of the outer peripheral surface of the tapered portion between adjacent outer projecting strip portions, the small stepped portion projecting from an edge of the second wall toward the tubular portion.

A grommet configured to engage around an outer periphery of a wire harness and to be mounted in a through hole of an automobile body panel, the grommet comprising:

• a tubular portion;
• a tapered portion extending from one end of the tubular portion, the tapered portion including an automobile body engagement first recess provided on an outer peripheral surface of the tapered portion to engage with the automobile body panel;
• the first recess being formed by a first wall provided around the tapered portion at a large diameter end and a second wall provided around the tapered portion and located at a small diameter side of the first wall, the second wall facing the first wall across the first recess;
• and
• a plurality of outer projections provided on an outer peripheral surface of the tapered portion, the plurality of outer projections extending in an axial direction of the tapered portion and being spaced from each other in a circumferential direction, the plurality of outer projections being arranged close to each other at a small diameter side of the tapered portion and being radially spread apart toward a large diameter side,
• wherein at least one of the outer projections comprises an engagement portion, the engagement portion projecting from the outer peripheral surface of the tapered portion at the small diameter side of the tapered portion toward the tubular portion and defining a second recess between an outer peripheral surface of the tubular portion and an inner surface of the engagement portion.