Support for aluminum alloy window roller

The utility model discloses a window wheel bracket made of aluminum alloy, comprising an outer supporting plate, an inner movable plate, an idler wheel, a wheel shaft, etc. The utility model is characterized in that the left lower corner and the upper part of the outer supporting plate are respectively provided with an inclined cutting edge and a transverse gap slot. A convex block which can be moved or moved out along the transverse gap slot on the outer supporting plate is arranged on the inner movable plate. The utility model eliminates the complicated operation that a whole window frame and glass need disassembling totally in the replacement of the window wheel bracket at present, so the utility model has the advantages of convenient and rapid replacement and convenient and rapid disassembly.