Drain auger

Abstract

A drain auger includes a first handle, a drum, a cable, a drive assembly, and a feeding assembly, where the drum is rotatably connected to the first handle; the cable is wound in the drum; the drive assembly is configured to drive the drum to rotate; and the feeding assembly is configured to feed or recover the cable and has an outlet for outputting the cable, where an output end of the cable extends outwards through the outlet along a first direction. The feeding assembly includes rotary bodies arranged around the cable and a rotary mechanism rotatable around the first direction, and the rotary mechanism is configured to, during rotation around the first direction, drive the rotary bodies to move towards the cable or move away from the cable.

What is claimed is: 
     
         1 . A drain auger, comprising:
 a first handle for a user to hold;   a drum connected to the first handle;   a cable at least partially stored in the drum;   a drive assembly driving the drum to rotate; and   a feeding assembly feeding or recovering the cable and having an outlet for outputting the cable, wherein an output end of the cable extends outwards through the outlet along a first direction, the feeding assembly comprises a rotary body arranged around the cable and a rotary mechanism rotatable around the first direction, and the rotary mechanism drives the rotary bodies to move towards the cable or move away from the cable when the rotary mechanism is rotating around the first direction.   
     
     
         2 . The drain auger according to  claim 1 , wherein a motion trajectory of a centroid of the rotary body is arc-shaped. 
     
     
         3 . The drain auger according to  claim 1 , wherein the feeding assembly further comprises an operating sleeve, and the user rotates the operating sleeve so that the rotary body moves towards the cable or moves away from the cable. 
     
     
         4 . The drain auger according to  claim 1 , wherein the feeding assembly further comprises a guide member and clamp assemblies, the clamp assemblies comprise multiple rotary bodies, and the clamp assemblies are movable on the guide member to clamp or loosen the cable. 
     
     
         5 . The drain auger according to  claim 4 , wherein the rotary mechanism comprises a feeding collar, the guide member is provided with guide slots, the feeding collar is provided with sliding slots, and the clamp assemblies are slidably connected within the guide slots and are movable along the sliding slots. 
     
     
         6 . The drain auger according to  claim 5 , wherein the feeding assembly further comprises an operating sleeve, the user rotates the operating sleeve to achieve clamping or loosening of the clamp assemblies, the guide member, the clamp assemblies, and the feeding collar are located in the operating sleeve, and the operating sleeve is rotated to drive the feeding collar to rotate. 
     
     
         7 . The drain auger according to  claim 1 , wherein the rotary mechanism comprises an operating sleeve, involute bosses are circumferentially provided on an inner wall surface of the operating sleeve, and the involute bosses are arranged around the cable; and the feeding assembly further comprises a plurality of feeding blocks movably disposed in the operating sleeve along a radial direction of the operating sleeve, the feeding blocks slidably abut against involute arc-shaped surfaces of the involute bosses, and the user operates the operating sleeve to drive the feeding assembly to clamp or loosen the cable. 
     
     
         8 . The drain auger according to  claim 7 , wherein the feeding assembly further comprises limiting discs disposed in the operating sleeve, each of the limiting discs is provided with a plurality of limiting holes, each of the limiting holes extends along a radial direction of the limiting discs, each of the feeding blocks is provided with guide posts, and the guide posts are inserted into limiting holes in one-to-one correspondence and movable within the limiting holes. 
     
     
         9 . The drain auger according to  claim 7 , wherein an abutting body is provided on a side of each feeding block of the feeding blocks facing the operating sleeve, the abutting body slidably abuts against one of the involute arc-shaped surfaces of the involute bosses, and the abutting body is a roller rotatably connected to the feeding block; or the abutting body is a protruding block, and an end portion of the protruding block facing away from the feeding block has an arc-shaped abutting surface. 
     
     
         10 . The drain auger according to  claim 1 , further comprising a shield covered on an outer side of the drum and formed with a rear opening, wherein the first handle is located on a rear side of the rear opening. 
     
     
         11 . The drain auger according to  claim 1 , further comprising a shield covered on an outer side of the drum and formed with a mounting sleeve at a front end, wherein an output end of the drum extends into the mounting sleeve. 
     
     
         12 . The drain auger according to  claim 11 , wherein the rotary mechanism comprises an operating sleeve rotatably sleeved outside the mounting sleeve, and the operating sleeve is movable relative to the mounting sleeve along the first direction after being rotated to a set angle. 
     
     
         13 . The drain auger according to  claim 1 , further comprising a locking assembly to lock a position of the cable so that the cable does not move along the first direction, wherein the locking assembly comprises a moving member movable along the first direction and locking spring pieces, and the moving member moving along the first direction presses the locking spring pieces into deformation so that locking ends of the locking spring pieces clamp the cable. 
     
     
         14 . The drain auger according to  claim 1 , further comprising a locking assembly capable of locking a position of the cable so that the cable does not move along the first direction, wherein the locking assembly comprises a moving member movable along the first direction, a mount, and a plurality of clamp arms, an end of each of the clamp arms is rotatably connected to the mount, the cable penetrates through the mount, and the moving member moving along the first direction drives the plurality of clamp arms to rotate synchronously towards the cable to clamp the cable. 
     
     
         15 . The drain auger according to  claim 1 , wherein the feeding assembly comprises feeding clamp assemblies and recovering clamp assemblies, the feeding clamp assemblies comprise a plurality of first rotary bodies, the recovering clamp assemblies comprise a plurality of second rotary bodies, the plurality of first rotary bodies are distributed along a circumferential direction of the cable, the plurality of second rotary bodies are distributed along the circumferential direction of the cable, and the first rotary bodies and the second rotary bodies drive the cable to move in opposite directions. 
     
     
         16 . A drain auger, comprising:
 a first handle for a user to hold;   a drum connected to the first handle and storing a cable;   a drive assembly for driving the drum to rotate; and   a feeding assembly feeding or recovering the cable and having an outlet for outputting the cable, wherein an output end of the cable extends outwards through the outlet along a first direction, the feeding assembly comprises a rotary body arranged around the cable and a rotary mechanism rotatable around the first direction, and the rotary mechanism drives the rotary bodies to move towards the cable or move away from the cable during rotation of the rotary member around the first direction.   
     
     
         17 . The drain auger according to  claim 16 , wherein a motion trajectory of a centroid of the rotary body is arc-shaped. 
     
     
         18 . The drain auger according to  claim 16 , wherein the feeding assembly further comprises an operating sleeve, and the user rotates the operating sleeve so that the rotary body moves towards the cable or moves away from the cable. 
     
     
         19 . The drain auger according to  claim 16 , wherein the feeding assembly further comprises a guide member and clamp assemblies, the clamp assemblies comprise multiple rotary bodies, and the clamp assemblies are movable on the guide member to clamp or loosen the cable. 
     
     
         20 . The drain auger according to  claim 16 , wherein the rotary mechanism comprises an operating sleeve, involute bosses are circumferentially provided on an inner wall surface of the operating sleeve, and the involute bosses are arranged around the cable; and the feeding assembly further comprises a plurality of feeding blocks movably disposed in the operating sleeve along a radial direction of the operating sleeve, the feeding blocks slidably abut against involute arc-shaped surfaces of the involute bosses, and the user operates the operating sleeve to drive the feeding assembly to clamp or loosen the cable.