Door frame for vehicle

A door frame for a vehicle, comprising:

• a pillar portion fixed to an upper end portion of a door body and extending in an upward direction of the vehicle;
• a main frame portion connected to an upper end of the pillar portion and extending in a forward direction or a rearward direction of the vehicle to be fixed to the upper end portion of the door body;
• an envelope portion provided at the main frame portion, the envelope portion serving as a framework of the main frame portion and opening to a vehicle outer side;
• a fixing portion provided at the main frame portion, the fixing portion fixing a holding member for holding a glass run channel together with the envelope portion;
• a bottom wall provided at the envelope portion and positioned at a vehicle inner side;
• an upper wall provided at the envelope portion and extending from an end portion of the bottom wall at a vehicle upper side towards the vehicle outer side;
• a lower wall provided at the envelope portion and extending from an end portion of the bottom wall at a vehicle lower side towards the vehicle outer side;
• and
• at least one reinforcement rib formed at the envelope portion, the reinforcement rib extending from the bottom wall towards the vehicle outer side and connecting the upper wall and the lower wall.