Overhanging pen clamp, pigment bottle cap and pigment bottle

The invention relates to an overhanging pen clamp, a pigment bottle cap and a pigment bottle. The overhanging pen clamp comprises a base plate, a clamping opening is formed in the base plate, multipleclamping teeth are arranged on the periphery of the clamping opening, the clamping teeth form a cover plate, the clamping opening is covered through the cover plate, a gap is arranged between adjacent clamping teeth, the base plate and the clamping teeth are made of elastic materials, the clamping teeth are bent upwards or downwards to adapt to pens of different diameters, and the pens are clamped. The pigment bottle cap comprises a bottle cap body and the overhanging pen clamp arranged on the bottle cap body, the pigment bottle comprises a pigment bottle body and a bottle cap body, and the overhanging pen clamp is arranged on the bottle cap body. According to the overhanging pen clamp, the pigment bottle cap and the pigment bottle, writing pens like an ink brush needing to be dipped withink or pigment can be fre