Variable-frequency screw blower

Abstract

The utility model provides a variable-frequency screw blower, which belongs to the technical field of blowers and comprises a base, a connecting component and a quick release component, the quick release component comprises two fixing plates arranged on one side of the bottom of a protection box, a sliding rod is arranged between the two fixing plates, the outer wall of the sliding rod is slidably connected with a movable frame, and a spring is arranged on one side of the movable frame. The interior of the spring is slidably connected with the sliding rod, one side of the spring is fixedly connected with one fixing plate, the bottom of the movable frame is slidably connected with a limiting frame, the top of the limiting frame is fixedly connected with the protection box, reinforcing strips are arranged at the two ends of the limiting frame, the tops of the two reinforcing strips are fixedly connected with the protection box, and a connector is arranged on one side of the movable frame. A holding handle is arranged at one end of the movable frame, and the other side of the bottom of the protection box is provided with the same structure as the protection box.

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