To effectively use a space by integrating an ashtray with a cigarette lighter into an ashtray case, and installing these so as to be detachable from an instrument panel main body.

An ashtray case 2 is installed so as to be detachable from an opening part 1a of an instrument panel main body 1 to be formed as a structure for incorporating an ashtray 3 and a cigarette lighter 4 into the ashtray case 2. For example, in an instrument panel structure, an air conditioning control panel 6 and audio 7 are installed, and for example, the opening part 1a of the IDIN size is arranged in the lower part. The ashtray case 2 of the IDIN size is detachably installed in this opening part 1a. In the ashtray case 2, an opening part 2c for a connector is arranged on the inmost end of an inserting port 2a and an inserting port 2b, the ashtray 3 is inserted/installed in the inserting port 2a, and the cigarette lighter 4 having a connector 5 is inseted/installed in the inserting port 2b. The connector 5 is inserted into the opening part 2c for a connector to be connected to wiring existing in the instrument panel main body 1 to carry an electric current.