Mop

Abstract

A mop includes a base ( 10 ), a cleaning unit ( 40 ) mounted on the base, a limit seat ( 20 ) mounted on the base and having an inner portion provided with a limit space ( 22 ) and a locking portion ( 243 ), a movable seat ( 30 ) movably mounted on the limit seat and having a locked portion ( 32 ) movable in the limit space and detachably engaging the locking portion ( 243 ), and a handle ( 35 ) mounted on the movable seat. Thus, when the locked portion of the movable seat is detached from the locking portion of the limit seat, the limit seat and the movable seat are rotatable relative to each other so that when the limit seat, the base and the cleaning unit are placed in and rotated by a dehydrator, the movable seat and the handle are not rotated by the dehydrator.

1 . A mop, comprising:
 a base ( 10 );   a cleaning unit ( 40 ) mounted on a bottom of the base;   a limit seat ( 20 ) mounted on a top of the base and having an inner portion provided with a limit space ( 22 ) and a locking portion ( 243 );   a movable seat ( 30 ) movably mounted on the limit seat and having a locked portion ( 32 ) movable in the limit space of the limit seat and detachably engaging the locking portion ( 243 ) of the limit seat;   a handle ( 35 ) mounted on the movable seat.   
   
   
       2 . The mop of  claim 1 , wherein the cleaning unit is detachably mounted on the bottom of the base by a retaining ring ( 50 ). 
   
   
       3 . The mop of  claim 2 , wherein the retaining ring is locked onto the base by a plurality of fastening bolts ( 53 ). 
   
   
       4 . The mop of  claim 1 , wherein the cleaning unit includes a plurality of elongate strips ( 41 ) arranged in a radiating manner;
 each of the strips of the cleaning unit is made of a cotton or cloth;   the strips of the cleaning unit are connected by a connecting string ( 42 );   each of the strips of the cleaning unit has a shorter side ( 410 ) and a longer side ( 412 );   the shorter sides of the strips are combined together;   the longer sides of the strips are spaced from each other.   each of the strips of the cleaning unit consists of at least two cotton bundles ( 411 ) which are connected by a connecting line ( 412 ) which forms a plurality of connecting portions ( 4121 ) between the cotton bundles.   
   
   
       5 . The mop of  claim 1 , wherein the cleaning unit is detachably mounted on the bottom of the base by a bag unit ( 60 ). 
   
   
       6 . The mop of  claim 5 , wherein the bag unit includes:
 a bag ( 62 ) detachably mounted on the base and having a bottom ( 61 ) connected with the cleaning unit;   a binding cord ( 63 ) mounted on an open top ( 621 ) of the bag to bind the open top of the bag onto the base;   a tightening member ( 631 ) mounted on the binding cord to tighten the binding cord;   the open top of the bag has a peripheral wall provided with an annular channel ( 622 ) to allow passage of the binding cord.   
   
   
       7 . The mop of  claim 5 , wherein the bag unit includes:
 a bag detachably mounted on the base and having a bottom connected with the cleaning unit;   an elastic ring ( 64 ) mounted on an open top of the bag to bind the open top of the bag onto the base;   the open top of the bag has a peripheral wall provided with an annular channel ( 622 ) to allow passage of the elastic ring.   
   
   
       8 . The mop of  claim 5 , wherein
 the base has a periphery provided with an annular retaining groove ( 14   d );   the bag unit includes:   a bag detachably mounted on the base and having a bottom connected with the cleaning unit;   an elastic ring ( 64   d ) mounted on an open top of the bag and secured in the retaining groove of the base to bind the open top of the bag onto the base.   
   
   
       9 . The mop of  claim 1 , wherein
 the limit seat is removably mounted on the top of the base;   the base has a receiving recess to receive the limit seat;   the receiving recess of the base has a peripheral wall provided with a plurality of fixing grooves;   the limit seat has a resting face secured in the receiving recess of the base;   the resting face of the limit seat has a plurality of fixing blocks fixed in the fixing grooves of the base.   
   
   
       10 . The mop of  claim 1 , wherein
 the limit seat consists of two housings which are combined together;   each of the housings of the limit seat has a bottom edge provided with a protrusion and a cutout;   the bottom edges of the housings abut each other;   the protrusion of one of the housings is inserted into the cutout of the other one of the housings so that the housings of the limit seat are locked.   
   
   
       11 . The mop of  claim 1 , wherein
 the limit seat has a top wall provided with a mounting hole connected to the limit space;   the movable seat has a lower end provided with a moving portion movable in the limit space of the limit seat, a mediate portion provided with a mounting portion movable in the mounting hole of the limit seat and an upper end provided with a pivot portion;   the moving portion of the movable seat has a peripheral wall provided with the locked portion;   the pivot portion of the movable seat has a substantially U-shaped profile and has two opposite sides each provided with a pivot hole;   the handle is pivotally mounted on the movable seat and has a lower end provided with a pivot shaft pivotally mounted in the pivot holes of the pivot portion.   
   
   
       12 . The mop of  claim 1 , wherein
 the locking portion of the limit seat is located at an upper position of the limit space;   the locking portion of the limit seat has an annular serrated shape;   the locked portion of the movable seat has an annular serrated shape.   
   
   
       13 . The mop of  claim 1 , wherein
 the locking portion of the limit seat is located at an upper position of the limit space;   the locked portion of the movable seat is a slot;   the locking portion of the limit seat is a protruding plug.   
   
   
       14 . The mop of  claim 1 , wherein
 the base has a receiving recess to receive the limit seat;   the limit seat consists of two housings which are combined together;   each of the housings of the limit seat has a bottom edge;   the bottom edges of the housings abut each other;   the bottom edge of one of the housings has a depression;   the bottom edge of the other one of the housings has a protruding flat plate inserted into the depression so that the housings of the limit seat are combined together;   one of the housings has two opposite sides each provided with a hook hole;   the other one of the housings has two opposite sides each provided with a hook hooked in the respective hook hole so that the housings of the limit seat are locked;   the receiving recess of the base has two opposite sides each provided with a cavity to receive the respective hook of the limit seat.   
   
   
       15 . The mop of  claim 2 , wherein
 the bottom of the base has a periphery provided with an annular retaining groove which is formed by two downward extending stop walls;   the base has a surface provided with a plurality of locking holes;   the cleaning unit is partially received in the retaining groove of the base and located between the stop walls of the retaining groove;   the retaining ring is forced into the retaining groove of the base and has a pressing face pressing a bottom of the cleaning unit;   the retaining ring has a top provided with a plurality of locking hooks detachably locked in the locking holes of the base.   
   
   
       16 . The mop of  claim 3 , wherein
 the base has a surface provided with a plurality of downward extending threaded tubes;   the bottom of the base has a periphery provided with an annular retaining groove which is formed by two downward extending stop walls;   the cleaning unit is partially received in the retaining groove of the base and located between the stop walls of the retaining groove;   the retaining ring is forced into the retaining groove of the base and has a pressing face pressing a bottom of the cleaning unit;   the retaining ring has a surface provided with a plurality of stepped through holes;   the pressing face of the retaining ring has a top provided with a plurality of wedge-shaped antiskid pieces pressing the bottom of the cleaning unit;   the fastening bolts extend through the through holes of the retaining ring and are screwed into the threaded tubes of the base;   the fastening bolts abut a bottom of the retaining ring.   
   
   
       17 . The mop of  claim 11 , wherein
 the mounting portion of the movable seat has a circular shape;   the mounting hole of the limit seat has a circular shape;   the moving portion of the movable seat has a thickness smaller than that of the limit space of the limit seat so that the moving portion of the movable seat is movable in the limit space of the limit seat;   the moving portion of the movable seat has a disk shape and has a size greater than that of the mounting hole of the limit seat so that the moving portion of the movable seat is limited in the limit space of the limit seat.   
   
   
       18 . The mop of  claim 11 , wherein
 the moving portion of the movable seat is rotatable in the limit space of the limit seat when the locked portion of the movable seat disengages the locking portion of the limit seat so that the movable seat is rotatable relative to the limit seat;   the pivot portion of the movable seat protrudes outwardly from the limit seat and has a size greater than that of the mounting hole of the limit seat.   
   
   
       19 . The mop of  claim 5 , wherein
 the base has a disk shape;   the bag has a circular shape.   
   
   
       20 . The mop of  claim 5 , wherein
 the base has an elongate shape;   the bag of the bag unit has an elongate shape.