Screw-type energy-saving lamp capable of shortening lifting time thereof

The utility model discloses a screw-type energy-saving lamp capable of shortening the lifting time thereof, comprising a lamp tube body formed by coiling glass tubes in a double screw manner; two ports of the lamp tube body are respectively arranged at the bottom part of a screw-type structure; core columns are arranged at the ports of the lamp tube body and are respectively and internally provided with two guiding pins; a lamp filament is connected between the two guiding pins and arranged in a cavity of the sealed lamp tube body; one of the two guiding pins connected with the lamp filament is provided with a first mercury-assisting piece; the cavity of the lamp tube body, corresponding to the top part of the screw-type structure, is also provided with a second mercury-assisting piece. By utilizing the function of the second mercury-assisting piece, the adopted structure can eliminate the defect that the middle part of the lamp tube body lights slowly when in starting, effectively and fast improve the light