Bracket with adjustable angles

A bracket with adjustable angles, comprising:

• an installation base, an installation frame, a connection shaft, and a torsion spring;
• the connection shaft is rotatably provided on the installation frame, and the installation frame is rotatably connected to the installation base through the connection shaft;
• the torsion spring is sleeved on an outside of the connection shaft, and the torsion spring has a first torsion arm and a second torsion arm;
• the first torsion arm abuts against the installation frame and further includes a torsion spring adjustment component;
• wherein the torsion spring adjustment component comprises a worm wheel and a worm shaft that controls a rotation of the worm wheel;
• the worm shaft is rotatably provided on the installation base, and the worm wheel is rotatably provided on the connection shaft;
• the worm wheel and the connection shaft are coaxially arranged;
• the second torsion arm is connected to the worm wheel and is configured to be driven to move by the worm wheel.