Patent ID: 11858015
Assignee: nan
Field: Chemical engineering (Chemistry)
Classification: CPC B  E | IPC B  E

Claim 4:
5. The auto-feed pipe cleaner as claimed in claim 4, wherein the movable bearing comprises a movable fixing shaft, a bearing, a spring and a steel ball, a flange joint body is provided at a top of the movable fixing shaft for placing the steel ball, the flange joint body extends downwardly to form a vertical rod, and an outer diameter of the vertical rod is smaller than an outer diameter of the flange joint body, an end of the vertical rod is provided with a groove to be inserted by the bearing, and a first fixing member is inserted into the end of the vertical rod to axially connect the bearing, and the bearing rotates in the groove, the spring is sleeved on an outer periphery of the vertical rod and abutted between the flange joint body and the first fixing member, an elongated slot is provided at an outer side of the vertical rod where the first fixing member passes through, the movable fixing shaft is obliquely inserted into the hollow hole of the flange joint portion, and the bearing is axially connected in the groove, and the flange joint body of the movable fixing shaft is abutted on the adaptor, the movable fixing shaft moves upward and downward through the disposal of the spring sleeved on the outer periphery of the vertical rod, and the movable bearing moves upward and downward in the hollow hole of the flange joint portion.