Down lamp mounting structure

The utility model discloses a down lamp installation structure which comprises an installation base, a limiting sleeve is fixedly connected to the bottom of the installation base, a lamp is arranged at the bottom of the limiting sleeve, the top of the lamp extends into the limiting sleeve and makes contact with the inner wall of the limiting sleeve, and transmission grooves are formed in the two sides of the inner wall of the lamp respectively. A push plate is slidably connected into the transmission groove, a clamping block is fixedly connected to the top of the outer side of the push plate, the outer side of the clamping block extends into the limiting sleeve and is movably connected with the inner wall of the limiting sleeve, a pressing block is fixedly connected to the bottom of the outer side of the push plate, and the outer side of the pressing block penetrates to the outer side of the lamp. And the surface of the lamp is in threaded connection with a clamping sleeve. According to the down lamp, the lam