Chassis heat dissipation structure for drawer seat

The utility model relates to an underframe heat dissipation structure for a drawer seat, which comprises an underframe, a cavity A, a cavity B and a cavity C are arranged in the underframe, a first interlayer and a second interlayer are arranged in the middle of the cavity B, the cavity B above the first interlayer is used as an upper cavity B, a rod cavity is formed between the first interlayer and the second interlayer, and the cavity B below the second interlayer is used as a lower cavity B; a plurality of first heat dissipation holes are formed in the first interlayer, each first heat dissipation hole vertically communicates with the B upper cavity and the rod cavity, a plurality of second heat dissipation holes are formed in the second interlayer, and each second heat dissipation hole vertically communicates with the B lower cavity and the rod cavity; the ejector rod is movably arranged in the rod cavity, and a plurality of third heat dissipation holes are formed in the ejector rod; and the B upper cavit