LED environment-friendly energy-saving lamp capable of being mounted and dismounted

The invention relates to the technical field of LED lamps, and discloses a LED environment-friendly energy-saving lamp capable of being mounted and dismounted, which comprises a lampshade and a lamp shell, a lamp holder is fixedly mounted in the middle of the interior of the lamp shell through a screw, more than three groups of mounting shells are uniformly distributed and mounted on the bottom surface of the lamp holder, and cavities are formed in the left side and the right side of the inner wall of each mounting shell; clamping springs are placed on the left sides in the cavities, clamping blocks are fixedly installed at the right ends of the clamping springs, and vertical opening and closing rods are integrally formed at the bottom ends of the clamping blocks. The four edges of the bottom end of the lamp shell are evenly provided with the thermal expansion columns, and the number of the thermal expansion columns is three or more. When the LED lamp is overheated, the lampshade is difficult to open to repla