Down-pressure mopping type sweeping robot

Abstract

A down-pressure mopping type sweeping robot includes a sweeper body and a sweeper water tank. The sweeper body includes a battery pack and a mounting portion formed at a bottom of the sweeper body. A protrusion portion is formed in the mounting portion. The sweeper water tank is detachably installed in the mounting portion for wetting the ground to be cleaned during a mopping process. A bottom of the sweeper water tank is fixed with a rag through a sticky-and-hook strap. Both sides of an inside of the sweeper body are fixed with down-pressure assemblies by bolts. The down-pressure assembly includes a down-pressure protrusion capable of elastically protruding into the mounting portion. The down-pressure protrusions are elastically pressed downwardly on a top of the sweeper water tank so that the rag can be stably pressed against the ground to be cleaned.

1 . A down-pressure mopping type sweeping robot, comprising:
 a sweeper body comprising a battery pack installed inside the sweeper body and a mounting portion formed at a bottom of the sweeper body, a protrusion portion being formed in the mounting portion; and   a sweeper water tank detachably installed in the mounting portion for wetting a ground to be cleaned during a mopping process, a bottom of the sweeper water tank being fixed with a rag through a sticky-and-hook strap;   wherein both sides of an inside of the sweeper body are fixed with down-pressure assemblies by bolts; the down-pressure assembly comprises a down-pressure protrusion capable of elastically protruding into the mounting portion; and the down-pressure protrusion is elastically pressed downwardly on a top of the sweeper water tank so that the rag can be stably pressed against the ground to be cleaned.   
     
     
         2 . The down-pressure mopping type sweeping robot according to  claim 1 , wherein the down-pressure assembly comprises:
 a lower shell of which an upper side and a lower side are formed as open;   an upper shell fixed to a top of the lower shell by a buckle, a first hook being formed inside the upper shell;   a turning plate having a hollow shell structure, one end of the turning plate being hingedly mounted on a bottom of the lower shell through a turning block, a second hook being formed at the one end of the turning plate; and   a tension spring of which one end is fixed to the second hook and the other end is fixed on the first hook, in order to provide a flipping force for the other end of the turning plate to move toward the bottom of the lower shell;   wherein the down-pressure protrusions are formed on a bottom side of the other end of the turning plate; a first turning limit block is formed on the other end of the turning plate; and a second turning limit block corresponding to a position of the first turning limit block is formed on an inner side of the lower shell.   
     
     
         3 . The down-pressure mopping type sweeping robot according to  claim 2 , wherein a first lower shell fixing ear plate is formed at the one end of the lower shell, and a second lower shell fixing ear plate is formed at the other end of the lower shell;
 an upper shell fixing ear plate is formed at one end of the upper shell; and   the bolt is capable of passing through the upper shell fixing ear plate and the first lower shell fixing ear plate in sequence in order to fix one end of the down-pressure assembly in the sweeper body; and wherein the bolt is capable of passing through the second lower shell fixing ear plate in order to fix the other end of the down-pressure assembly in the sweeper body.   
     
     
         4 . The down-pressure mopping type sweeping robot according to  claim 1 , wherein a recessed portion is formed on a top of the sweeper water tank, and mounting slots are formed on both sides of the recessed portion; and
 wherein mounting inserts are formed on both sides of the protrusion portion, and the mounting inserts are capable of being inserted into the mounting slots so that the protrusion portion is introduced and installed in the recessed portion.   
     
     
         5 . The down-pressure mopping type sweeping robot according to  claim 4 , wherein both sides of the sweeper water tank are formed with lock installation cavities, a lock is slidably installed in the lock installation cavity;
 an L-shaped positioning cavity is formed on the lock, a lock positioning block is fixed at one end of an inner side of the L-shaped positioning cavity, and a lock positioning plate is formed at the other end of the inner side of the L-shaped positioning cavity;   a hook is also formed at the other end of the inner side of the L-shaped positioning cavity;   a lock limiting plate is fixedly disposed in the lock installation cavity, a return spring is installed between the lock limiting plate and the lock positioning block;   a front side of the sweeper water tank comprises two water tank installation grooves communicating with the two lock installation cavities, respectively;   a first hook and a second hook are formed in the mounting portion which is located on both sides of the protrusion portion, and the first hook and the second hook are capable of passing through the water tank installation grooves and are correspondingly hooked to the two hooks.   
     
     
         6 . The down-pressure mopping type sweeping robot according to  claim 2 , wherein a water storage cavity and an energized cavity are sealedly formed in the sweeper water tank;
 a filter device and a water outlet pipe are fixedly disposed in the water storage cavity, a water pump and a first energizing piece and a second energizing piece for transmitting power to the water pump are fixedly disposed in the energized cavity;   a water inlet hose and a water outlet hose are installed on the water pump, and the water inlet hose and the water outlet hose both extend into the water storage cavity;   the water inlet hose and the filter device are in communication, and the water outlet hose and the water outlet pipe are in communication; and   a plurality of drain channels are opened at a bottom of the water outlet pipe.   
     
     
         7 . The down-pressure mopping type sweeping robot according to  claim 6 , wherein the bottom of the sweeper water tank comprises a plurality of drain holes which are in sealed communication with the plurality of drain channels; and
 the rag is disposed at a bottom of the plurality of drain holes.   
     
     
         8 . The down-pressure mopping type sweeping robot according to  claim 6 , wherein the first energizing piece and the second energizing piece are both embedded and fixed in a top of the sweeper water tank;
 a bottom of the down-pressure protrusion is fixed with a down-pressure charging piece, the two down-pressure charging pieces are correspondingly energized and connected to the first energizing piece and the second energizing piece; and   a conductive plate which is electrically connected to the down-pressure charging piece is fixed inside the turning plate, and the two conductive plates are electrically connected to the battery pack.   
     
     
         9 . The down-pressure mopping type sweeping robot according to  claim 2 , wherein a plurality of reinforcing ribs are formed inside the turning plate. 
     
     
         10 . The down-pressure mopping type sweeping robot according to  claim 8 , wherein the upper shell located on top of the first hook comprises an inspection hole and the lower shell located on top of the conductive plate comprises a wire hole. 
     
     
         11 . A down-pressure mopping type sweeping robot, comprising:
 a sweeper body comprising a battery pack and a mounting portion formed at a bottom of the sweeper body, the mounting portion comprising a protrusion portion formed inside of the mounting portion; and   a sweeper water tank detachably installed in the mounting portion for wetting a ground to be cleaned during a mopping process, a bottom of the sweeper water tank being adapted to fix a rag through a sticky-and-hook strap;   wherein both sides of an inside of the sweeper body are fixed with down-pressure assemblies; and each down-pressure assembly comprises a retractable down-pressure protrusion capable of elastically protruding into the mounting portion; and   wherein when the down-pressure protrusion protrudes into the mounting portion, the down-pressure protrusion elastically presses against a top of the sweeper water tank so that the rag can be stably pressed against the ground to be cleaned.   
     
     
         12 . The down-pressure mopping type sweeping robot according to  claim 11 , wherein the down-pressure assembly comprises:
 a lower shell of which an upper side and a lower side are formed as open;   an upper shell fixed to a top of the lower shell by a buckle, a first hook being formed inside the upper shell;   a turning plate having a hollow shell structure, one end of the turning plate being hingedly mounted on a bottom of the lower shell through a turning block, a second hook being formed at the one end of the turning plate; and   a tension spring of which one end is fixed to the second hook and the other end is fixed on the first hook, in order to provide a flipping force for the other end of the turning plate to move toward the bottom of the lower shell;   wherein the down-pressure protrusions are formed on a bottom side of the other end of the turning plate; a first turning limit block is formed on the other end of the turning plate; and a second turning limit block corresponding to a position of the first turning limit block is formed on an inner side of the lower shell.   
     
     
         13 . The down-pressure mopping type sweeping robot according to  claim 12 , wherein a first lower shell fixing ear plate is formed at the one end of the lower shell, and a second lower shell fixing ear plate is formed at the other end of the lower shell;
 an upper shell fixing ear plate is formed at one end of the upper shell; and   the bolt is capable of passing through the upper shell fixing ear plate and the first lower shell fixing ear plate in sequence in order to fix one end of the down-pressure assembly in the sweeper body; and wherein the bolt is capable of passing through the second lower shell fixing ear plate in order to fix the other end of the down-pressure assembly in the sweeper body.   
     
     
         14 . The down-pressure mopping type sweeping robot according to  claim 11 , wherein a recessed portion is formed on a top of the sweeper water tank, and mounting slots are formed on both sides of the recessed portion; and
 wherein mounting inserts are formed on both sides of the protrusion portion, and the mounting inserts are capable of being inserted into the mounting slots so that the protrusion portion is introduced and installed in the recessed portion.   
     
     
         15 . The down-pressure mopping type sweeping robot according to  claim 14 , wherein both sides of the sweeper water tank are formed with lock installation cavities, a lock is slidably installed in the lock installation cavity;
 an L-shaped positioning cavity is formed on the lock, a lock positioning block is fixed at one end of an inner side of the L-shaped positioning cavity, and a lock positioning plate is formed at the other end of the inner side of the L-shaped positioning cavity;   a hook is also formed at the other end of the inner side of the L-shaped positioning cavity;   a lock limiting plate is fixedly disposed in the lock installation cavity, a return spring is installed between the lock limiting plate and the lock positioning block;   a front side of the sweeper water tank comprises two water tank installation grooves communicating with the two lock installation cavities, respectively;   a first hook and a second hook are formed in the mounting portion which is located on both sides of the protrusion portion, and the first hook and the second hook are capable of passing through the water tank installation grooves and are correspondingly hooked to the two hooks.   
     
     
         16 . The down-pressure mopping type sweeping robot according to  claim 12 , wherein a water storage cavity and an energized cavity are sealedly formed in the sweeper water tank;
 a filter device and a water outlet pipe are fixedly disposed in the water storage cavity, a water pump and a first energizing piece and a second energizing piece for transmitting power to the water pump are fixedly disposed in the energized cavity;   a water inlet hose and a water outlet hose are installed on the water pump, and the water inlet hose and the water outlet hose both extend into the water storage cavity;   the water inlet hose and the filter device are in communication, and the water outlet hose and the water outlet pipe are in communication; and   a plurality of drain channels are opened at a bottom of the water outlet pipe.   
     
     
         17 . The down-pressure mopping type sweeping robot according to  claim 16 , wherein the bottom of the sweeper water tank comprises a plurality of drain holes which are in sealed communication with the plurality of drain channels; and
 the rag is disposed at a bottom of the plurality of drain holes.   
     
     
         18 . The down-pressure mopping type sweeping robot according to  claim 16 , wherein the first energizing piece and the second energizing piece are both embedded and fixed in a top of the sweeper water tank;
 a bottom of the down-pressure protrusion is fixed with a down-pressure charging piece, the two down-pressure charging pieces are correspondingly energized and connected to the first energizing piece and the second energizing piece; and   a conductive plate which is electrically connected to the down-pressure charging piece is fixed inside the turning plate, and the two conductive plates are electrically connected to the battery pack.   
     
     
         19 . The down-pressure mopping type sweeping robot according to  claim 12 , wherein a plurality of reinforcing ribs are formed inside the turning plate. 
     
     
         20 . The down-pressure mopping type sweeping robot according to  claim 18 , wherein the upper shell located on top of the first hook comprises an inspection hole, and the lower shell located on top of the conductive plate comprises a wire hole.