Punching-free assembled cat climbing frame

The utility model relates to the technical field of cat climbing frames, in particular to a punching-free assembled cat climbing frame which comprises a mounting rod and a supporting pad, two sleeves are connected to the front side of the mounting rod in a screwed mode, a first clamping rod and a second clamping rod are connected into the sleeves in a sliding mode, and a mounting plate is connected to the rear end of the first clamping rod in a screwed mode. Limiting rods are rotationally connected to the rear side of the mounting plate, and clamping rings are rotationally connected to the four corners of the supporting pad correspondingly. According to the cat rack, the second clamping rod is slidably connected into the mounting rod, the front end of the supporting pad can be driven to move by stretching the second clamping rod, the supporting pad is stretched, the containing space can be conveniently adjusted according to the size of a cat, the space utilization rate is optimized, the sleeve can be pulled t