Container sealing and covering device

The utility model discloses a container sealing and covering device, which relates to the technical field of container sealing and covering, and comprises a container and a cover body, the bottom of the cover body is fixedly connected with a fixed block, one side of the fixed block is provided with a fixed groove, one side of the fixed block is fixedly connected with a support plate, one side of the support plate is provided with a movable groove, and the movable groove is provided with a movable groove. And the inner wall of the moving groove is slidably connected with a moving rod. By arranging the container, the cover body, the fixing block, the fixing groove, an auxiliary block, a groove, a third spring and a clamping block, when the cover body is connected to the container, the clamping block can move towards the interior of the groove under the action force and then can extend into the fixing groove through the third spring, and then the clamping block can play an effective limiting role on the fixing b