Skeleton assembly of umbrella-shaped canopy on top of playpen

A skeleton assembly of an umbrella-shaped canopy on top of a playpen, comprising:

• a skeleton and a connection base, wherein the skeleton is an umbrella-style skeleton comprising a notch and multiple first support frames, wherein a first end of each of the multiple first support frames is hinged to the notch, such that the multiple first support frames are extendable or retractable with respect to each other;
• and the connection base is provided in plurality to correspond to a quantity of the multiple first support frames, a second end of each of the multiple first support frames is fixedly connected to one of the connection bases, each of the connection bases is configured to be fixedly clamped with a corner portion at the top of the playpen, the corner portion of the playpen comprises a vertical rod, a first horizontal rod, and a second horizontal rod that are connected at an intersection point, and each of the connection bases is provided with a first notch, a second notch, and a third notch that are used to be respectively clamped with the vertical rod, the first horizontal rod, and the second horizontal rod of the corner portion.