Weight controllable beverage brewing device and application thereof

The invention discloses a weight controllable beverage brewing device and application thereof and belongs to the technical field of automobile beverage dispensers. The brewing device comprises a funnel bottle, a valve and a balance mechanism. The balance mechanism comprises a weight end, a fixed shaft, a beverage cup end, a supporting rod, a traction column and a guide rod, wherein the fixed shaft is fixed to the inner wall of the brewing device, the weight end and the beverage cup end are located at the left end and the right end of the fixed shaft respectively, and a main structure of the balance mechanism is formed; the supporting rod is vertically fixed to the position under the beverage cup end; the guide rod is a frame-shaped rod with a leftward frame opening leftward; the far end of a bottom rod is fixedly connected with the supporting rod, and the far end of a top rod is connected with the valve through the traction column in a tractive mode; an outlet in the bottom end of the funnel bottle is fixedly connected with the valve; beverage powder drops and stops dropping along opening and closing of the valve. The beverage brewing device is easy to operate and quick in beverage brewing and achieves accurate preparation of beverage weight without consuming electric energy, the beverage powder is not wasted, the preparation speed is high, and brewing is convenient.