Ceiling lamp mounting structure and ceiling lamp

A ceiling lamp, comprising a lamp main body and a ceiling lamp mounting structure, and wherein:

• the ceiling lamp mounting structure comprises a bottom frame assembly, a sliding assembly, and a connection assembly, and wherein:
• the bottom frame assembly is fixed on a mounting wall, the connection assembly is fixedly connected with a lamp main body, the connection assembly is detachably connected with the bottom frame assembly through the sliding assembly, the sliding assembly comprises a sliding rail and a sliding rod, the sliding rail is fixedly connected with the bottom frame assembly, one end of the sliding rod is movably connected with the sliding rail, and the other end of the sliding rod is rotatably connected with the connection assembly, wherein the sliding rail comprises a first receiving portion and a second receiving portion, and the second receiving portion is formed by extending the first receiving portion to a direction away from the bottom frame assembly;
• and
• the lamp main body comprises a chassis, the chassis comprises a bottom surface and a side wall extending from the bottom surface in a direction away from the lamp main body, the side wall and the bottom surface delimit a receiving cavity, the ceiling lamp mounting structure is received in the receiving cavity, and the bottom frame assembly of the ceiling lamp mounting structure is fixedly connected with the side wall of the chassis.