Tabletop height adjustment support saddle for projector

The utility model relates to a tabletop height adjustment support saddle for a projector, which mainly consists of an upper platform surface, a lifting frame, a bottom plate and a fixing adjusting screw, wherein, the lifting frame is capable of height adjustment and is made up of two pairs of articulated support poles which are arranged symmetrically, ends of two symmetrical support poles are placed in long and thin slots on the two sides of the upper platform surface, ends of the other two symmetrical support poles are provided with rollers and are placed in sliding chutes on the two sides the bottom plate, and the rest of the ends of the support poles are fixed on the bottom plate and the upper platform surface. The support saddle not only can move freely and conveniently, but also can be conveniently adjusted to the height as required for achieving the optimal displaying effect of the projector, thereby ensuring that the height of the projector can be freely adjusted within a certain scope.