Knob-type thumb protector

A knob-type thumb protector, comprising:

• a protector main body, wherein a sleeve hole is formed on the protector main body for a thumb to pass through, so that the protector main body is configured to be sleeved at a base of the thumb to form a structure for supporting the thumb;
• a first connecting piece, wherein one end of the first connecting piece is connected to one side of the protector main body, and a connecting groove is arranged on another end of the first connecting piece;
• a second connecting piece, wherein one end of the second connecting piece is connected to another side of the protector main body, another end of the second connecting piece for passing through the connecting groove is connected to the first connecting piece, and the second connecting piece cooperates with the first connecting piece to form a ring sleeve that is configured to wrap around a palm;
• and
• a knob adjusting piece, wherein the knob adjusting piece includes a knob assembly and an adjusting rope, and the adjusting rope is adjustably connected to the knob assembly;
• the knob assembly is installed on the protector main body, and one end of the adjusting rope is connected to the end of the second connecting piece that passes through the connecting groove, enabling a tightness of the first connecting piece and a tightness of the second connecting piece to be adjusted by rotating the knob assembly;
• wherein the protector main body includes a finger cover portion and a palm supporting portion, the palm supporting portion is connected to the finger cover portion in a belt-like shape, the sleeve hole is formed on the finger cover portion, the knob assembly is installed on the finger cover portion, and the palm supporting portion is used to abut against a palm surface;
• a hard supporting piece is arranged on outer surfaces of the finger cover portion and outer surfaces of the palm supporting portion;
• the hard supporting piece includes a supporting shell configured to be wrapped around a back side of the thumb and a supporting strip connected to the supporting shell, the supporting shell is arranged on an outer peripheral surface of the finger cover portion, and the supporting strip is arranged on the outer surface of the palm supporting portion.