Contact terminal structure of load switch

The utility model discloses a contact terminal structure of a load switch. The contact terminal structure of the load switch comprises an installation seat, contact pieces, a support ring and pull springs, wherein the installation seat is provided with an installation boss with installation annular grooves, the contact pieces are arranged around the installation boss to form a cylinder-shaped contact piece assembly, the support ring is clamped inside the contact piece assembly, and the pull rings are connected end to end to wind around two ends of the contact piece assembly. The contact terminal structure is characterized in that the middle parts of the contact pieces bend inwards so as to form an annular recess outside the contact piece assembly, one pull ring is connected end to end to wind inside the annular recess, and positioning protrusions are disposed outside the support ring, are in one-to-one correspondence with gaps among the contact pieces and penetrate through the gaps. The contact terminal structure has high stability, is convenient to assemble, and can help to save costs.