CONNECTOR, AND ELECTRICAL DEVICE

Disclosed are a connector and an electrical device. The connector includes: a female end, a male end, a collar component, and a pushing member. The female end is formed with a docking cavity; the male end includes a pin; the collar component is provided in the docking cavity or sleeved on a periphery of the pin, and the collar component includes a first annular component and a second annular component; the pushing member is provided on the pin or the female end; in response to that the pin is plugged into the docking cavity and the collar component is pushed at the docking cavity by the pushing member, the first annular component and the second annular component are configured to squeeze each other, the first annular component is configured to contract inward to be tightly cooperated with the pin, and the second annular component is configured to expand outward to be tightly cooperated with an inner wall of the docking cavity.