A ground lock for garage

The utility model provides a ground lock for garage, which comprises a base plate, horizontal pole and lifting unit, lifting unit includes the bearing bar, ejector pin and sill bar, the both ends of bearing bar are connected to horizontal pole and bottom plate respectively, the both ends of ejector pin are connected to horizontal pole and sill bar respectively, the bottom of sill bar is connectedto the bottom plate, the interval has between the bottom of bearing bar and the bottom of sill bar, ejector pin and height through rotate change horizontal pole rotatable for the sill bar, ejector pinand sill bar rotate and to make the ejector pin, the sill bar, bearing bar and bottom formation triangle -shaped structure, ejector pin and sill bar are one side of triangle -shaped structure, this aground lock for garage can detect the screening vehicle to sending a car, the vehicle that will have nothing to do prevents outside, through the shape that the structural change ground of self is locked, can effectively avoid