Primary and secondary depth fusion pole-mounted circuit breaker mechanism box

The utility model relates to a primary and secondary depth fusion pole-mounted circuit breaker mechanism box, which comprises a box body, a synchronous shaft manual opening mechanism is arranged in the box body, and the box body is provided with rainproof eave structures at the upper parts of two side plates in the direction of a manual opening shaft in the synchronous shaft manual opening mechanism. A side plate below one rainproof eave structure of the box body is provided with a manual opening shaft sleeve sleeved on the manual opening shaft, and the manual opening shaft sleeve adopts an embedded labyrinth structure; an aviation socket sleeve is arranged on a side plate of the box body, and the aviation socket sleeve is of an embedded labyrinth structure. The beneficial effects are that the two sides of the box body adopt rainproof eave structures, the overall airtightness and waterproof performance of the mechanism box are improved, and the overall protection grade can reach IP67; and the manual opening s