Dustproof variable-force spring support hanger

The utility model relates to the technical field of spring supports and hangers, and discloses a dustproof variable-force spring support and hanger which comprises a shell, a first spring, a second spring, a first connecting piece and a second connecting piece. The groove bodies are formed in the side faces and the bottom face of the shell to form L-shaped grooves; the rotating block is arranged in the shell, and one end of the rotating block penetrates through the groove body; according to the spring support hanger, the baffle can be pulled to be folded or stretched through the arrangement of the sliding groove and the sliding block when the rotating block rotates through the sliding device, so that the baffle is always close to the top and the bottom of the rotating block, the baffle can shield the groove body, most dust can be prevented from entering the groove body, and internal parts are protected; compared with an existing device, the dustproof effect is better. According to the spring supporting and ha