Slide door device for vehicle
Provided is a slide door device for a vehicle, including: a body side lower rail disposed below a door opening formed on a side of a vehicle body and extends in a front-rear direction; a body side rail disposed above the body side lower rail and behind the door opening and extends in the front-rear direction; a door side lower guide roller unit and a door side guide roller unit connected to a slide door and configured to slide on the body side lower rail and the body side rail respectively; a door side lower rail disposed in a lower portion of the slide door positioned below the floor surface in the door opening and extends in the front-rear direction; and a body side lower guide roller unit connected to the lower portion of the door opening and configured to slide on the door side lower rail.
1. A slide door device for a vehicle, comprising:
a body side lower rail which is disposed below a door opening formed on a side of a vehicle body and extends in a front-rear direction of the vehicle;
a body side rail which is disposed above the body side lower rail and behind the door opening and extends in the front-rear direction;
a door side lower guide roller unit which is connected to a slide door, which opens and closes the door opening, and configured to slide on the body side lower rail;
a door side guide roller unit which is connected to the slide door and configured to slide on the body side rail;
a door side lower rail which is disposed in a lower portion of the slide door positioned below a floor surface in the door opening and extends in the front-rear direction;
a body side lower guide roller unit which is connected to the lower portion of the door opening and configured to slide on the door side lower rail; and
wherein the body side lower rail and the door side lower rail overlap in an upper-lower direction of the vehicle in the fully closed state of the door.
2. The slide door device for a vehicle according to claim 1 , wherein the body side lower guide roller unit is disposed at a rear position of the door side lower guide roller unit regardless of the opening and closing position of the slide door.
3. The slide door device for a vehicle according to claim 2 , wherein the door side lower rail is disposed below the body side lower rail.
4. The slide door device for a vehicle according to claim 1 , wherein the door side lower rail is configured to be provided in place of a body side upper rail which is disposed above the body side rail and extends in the front-rear direction of the vehicle.
5. The slide door device for a vehicle according to claim 1 , wherein the slide door device is devoid of a rail installed along an upper edge of the door opening.