Waterproof grommet

1. A waterproof grommet, comprising:

an elastic grommet body which is provided with a flange portion to be mounted to a panel;

an annular wall extending in a first direction from a first face of the flange portion;

a lip portion extending in a second, opposite, direction from a second face of the flange portion, the second face being opposite the first face;

an annular reinforcing portion which is provided on the second face of the flange portion, and disposed inwardly of the lip portion; and

a plurality of wire-passage tubular portions which are provided on the reinforcing portion through respective flexible portions, and are disposed within the annular wall, said tubular portions extending in the first direction beyond the annular wall,

wherein proximal ends of the tubular portions are interconnected at a thick wall through the flexible portions;

wherein the reinforcing portion extends substantially around the entire periphery of the grommet body and is adapted to be inserted into a panel hole of the panel;

wherein an extending length of the reinforcing portion from the second face is longer than an extending length of the lip portion from the second face and an end portion of the lip portion in the second direction comes in abutting contact with the panel;

wherein a claw portion is provided on the annular wall outwardly; and

wherein a rigid cover which covers the flange portion and annular wall is attached on the flange portion.

2. The waterproof grommet according to claim 1 , wherein the reinforcing portion is formed integrally with the annular wall.

3. The waterproof grommet according to claim 1 , wherein the reinforcing portion is generally equal in thickness to the annular wall, and is greater in thickness than the flange portion.

4. The waterproof grommet according to claim 1 , wherein the thick wall is disposed inwardly of the reinforcing portion, and is greater in thickness than the reinforcing portion.