The invention discloses a
bed sheet fixing device capable of preventing wrinkles. The
bed sheet fixing device capable of preventing wrinkles comprises a first grade
stringer plate, a second grade
stringer plate and a bearing plate, wherein a vertical groove is formed in one end, welded with the bearing plate, of the first grade
stringer plate and the second grade stringer plate; the vertical groove is internally welded with a bearing; the bearing is internally sleeved with a rotating shaft in a rotating manner; the rotating shaft is welded with a
roller screw rod; and the
roller screw rod is in threaded connection with a roller nut. According to the invention, the stability of the whole device is ensured by performing gravity pressing and buffering treatment on the bottom end of the
bed sheet fixing device; through the transmission of the
roller screw rod and the expansion of a telescopic rod, the fixing device can be conveniently and quickly adjusted in the
horizontal and vertical directions, so that the fixing device can be applied to different specifications of
bed sheets; through the transmission limit of a gear and a rack, a clamp rod drives a clamp plate to clamp and hold a bed sheet, so that the bed sheet is always tight on a mattress, the tight fit of the bed sheet and the mattress is ensured, and the bed sheet is effectively prevented from folding, overlapping and falling off.