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

Claim 0:
1. An auto-feed pipe cleaner for cleaning pipelines, the auto-feed pipe cleaner comprising:
a take-up unit, comprising a wire drum and a spring wire, wherein the wire drum comprises a front cover and a rear cover assembled with the front cover, a flange tube is provided in an extension direction at one side of the front cover without assembling with the rear cover, and a through hole is formed in the flange tube for communicating with an inner hollow of the front cover, and the front cover includes a first opening communicating with the inner hollow of the front cover and facing toward one end of the flange tube, the rear cover includes a second opening communicating with an inner hollow of the rear cover and corresponding to one end of the front cover, and the rear cover is provided with a small handle at a side opposite to the second opening to drive the wire drum rotating, the spring wire is accommodated in the inner hollows of the front cover and the rear cover, and one end of the spring wire protrudes from the through hole of the flange tube; and
a feed unit, comprising a telescopic tube, a feeder, a tube handle and an elastic plate, wherein an inside of the telescopic tube is hollow, an inner top of the telescopic tube is provided with a groove portion, the feeder is disposed at the inside of the telescopic tube, and a movable bearing and two fixed bearings are obliquely disposed in the feeder, the tube handle is sleeved on the flange tube of the front cover, one end of the tube handle is embedded with one end of the feeder and disposed at the inside of the telescopic tube which is capable of moving forward and backward outside the feeder and the tube handle, and a folded end of the elastic plate is embedded in the groove portion of the telescopic tube; the wire drum is rotated to drive the spring wire to rotate clockwise or anti-clockwise; when the telescopic tube is pushed forward to press against the movable bearing, the movable bearing is pressed downward and actuated with the fixed bearings, the spring wire is evenly pressed between the movable bearing and the fixed bearings, and the spring wire is fed or taken up into the wire drum; and when the telescopic tube is pulled backward, the movable bearing rises and is not actuated with the fixed bearings, and the spring wire is not fed nor taken up into the wire drum.