Patent ID: 11920726
Assignee: NINGBO TUOTUO RIVER DESIGN COMPANY
Field: Audio-visual technology (Electrical engineering)
Classification: CPC F  A  H | IPC A  F  H

Claim 0:
1. A balance mechanism, comprising:
a mounting part;
a sliding part, which is slidably connected to the mounting part, wherein the sliding part slides on the mounting part such that a total length of the balance mechanism is changed;
a spring, a first end of which is fixed to the sliding part;
an adjuster, which has a third end and a fourth end opposite to the third end, the third end is connected to the mounting part, and the fourth end is connected to a second end of the spring, the adjuster is configured to adjust the spring, so as to stretch and compress the spring; wherein the mounting part comprises two first side plates opposite to each other and a first bottom plate fixed between the two first side plates, wherein each of the two first side plates has a first flanging arranged inward from the edge thereof;
the sliding part is located between the two first side plates, and the first flanging is used to limit the sliding part.