High-pressure cleaning device

Abstract

A high-pressure cleaning device includes a carrier, a power unit, a valve assembly, a high-pressure water gun and a floor brush. The power unit is mounted on the carrier. The power unit includes a pump. The valve assembly is mounted on the carrier. The valve assembly includes a liquid inlet, a first liquid outlet and a second liquid outlet. The liquid inlet is in communication with an outlet of the pump. The high-pressure water gun is in communication with the first liquid outlet through a pipeline. The floor brush is mounted on a bottom of the carrier. The floor brush includes a nozzle assembly. The nozzle assembly is in communication with the second liquid outlet through a pipeline. The valve assembly is configured to be switchable between at least two of the following positions, include position one and position two.

1 . A high-pressure cleaning device, comprising:
 a carrier;   a power unit, wherein the power unit is mounted on the carrier, wherein the power unit comprises a pump;   a valve assembly, wherein the valve assembly is mounted on the carrier, wherein the valve assembly comprises a liquid inlet, a first liquid outlet and a second liquid outlet, wherein the liquid inlet is in communication with an outlet of the pump;   a high-pressure water gun, wherein the high-pressure water gun is in communication with the first liquid outlet through a pipeline; and   a floor brush, wherein the floor brush is mounted on a bottom of the carrier, wherein the floor brush comprises a nozzle assembly, wherein the nozzle assembly is in communication with the second liquid outlet through a pipeline;   wherein the valve assembly is configured to be switchable between at least two of the following positions: position one and position two; wherein, in the position one, the liquid inlet is in communication with the first liquid outlet, and the liquid inlet is disconnected from the second liquid outlet; and wherein, in the position two, the liquid inlet is in communication with the second liquid outlet, and the liquid inlet is disconnected from the first liquid outlet.   
     
     
         2 . The high-pressure cleaning device of  claim 1 , wherein the valve assembly is configured to be further switchable to position three, wherein, in position three, the liquid inlet is simultaneously in communication with the first liquid outlet and the second liquid outlet. 
     
     
         3 . The high-pressure cleaning device of  claim 1 , wherein the power unit is a DC motor pump, an AC motor pump or an internal combustion engine driven pump. 
     
     
         4 . The high-pressure cleaning device of  claim 1 , wherein the power unit further comprises a battery pack, wherein the battery pack is used to supply power to the pump. 
     
     
         5 . The high-pressure cleaning device of  claim 4 , wherein the power unit further comprises a housing, wherein the housing has a first accommodation cavity and a second accommodation cavity, wherein the pump is mounted in the first accommodation cavity, wherein the battery pack is mounted in the second accommodation cavity, wherein the second accommodation cavity has a detachable compartment cover. 
     
     
         6 . The high-pressure cleaning device of  claim 1 , wherein the carrier comprises a frame and wheels, wherein one end of the frame is arranged with a handle arm, wherein an upper end of the handle arm is arranged with a handle. 
     
     
         7 . The high-pressure cleaning device of  claim 6 , wherein the handle arm comprises a first section and a second section, wherein the first section is fixedly connected to the frame, wherein the second section is movably connected to the first section, so that the second section can be switched between an expanded position and a folded position relative to the first section, wherein when the second section is in the expanded position, an overall height of the handle arm can be increased, wherein when the second section is in the folded position, the overall height of the handle arm can be reduced. 
     
     
         8 . The high-pressure cleaning device of  claim 7 , wherein a holding mechanism is arranged between the first section and the second section, wherein the holding mechanism is configured to be able to hold the first section in the expanded position when the first section is in the expanded position, and to be able to release the first section from the expanded position. 
     
     
         9 . The high-pressure cleaning device of  claim 8 , wherein the holding mechanism comprises a first locking block and a second locking block, wherein an end face of the first locking block and an end face of the second locking block are oppositely arranged and abut against each other, wherein a clamping mechanism is arranged between the first locking block and the second locking block, wherein the clamping mechanism is configured to be able to adjust a magnitude of a pressing force between the first locking block and the second locking block; wherein one of the first locking block and the second locking block is fixedly connected to the first section, and the other is fixedly connected to the second section. 
     
     
         10 . The high-pressure cleaning device of  claim 6 , wherein the valve assembly is mounted on the handle arm or the handle. 
     
     
         11 . The high-pressure cleaning device of  claim 6 , wherein the frame and/or the handle arm is arranged with a hanger for storing the high-pressure water gun and/or a pipeline of the high-pressure water gun. 
     
     
         12 . The high-pressure cleaning device of  claim 6 , wherein an end of the frame away from the handle arm is arranged with an anti-collision beam. 
     
     
         13 . The high-pressure cleaning device of  claim 6 , wherein the wheels comprise traveling wheels and a steering wheel, wherein the traveling wheels are located on both sides of the frame, the steering wheel is located at a front end or a rear end of the frame; wherein the floor brush is located between the traveling wheels on both sides, and the floor brush is located behind or in front of the steering wheel. 
     
     
         14 . The high-pressure cleaning device of  claim 1 , further comprising an auxiliary bracket, wherein the auxiliary bracket is detachably connected to the carrier, wherein the power unit is mounted on the auxiliary bracket. 
     
     
         15 . The high-pressure cleaning device of  claim 1 , wherein the floor brush comprises a cover shell, wherein the cover shell is fixedly mounted on a bottom of the carrier, wherein a bottom of the cover shell is open, wherein bristles are arranged on an edge of the bottom of the cover shell, wherein the nozzle assembly is mounted inside the cover shell. 
     
     
         16 . The high-pressure cleaning device of  claim 15 , wherein the nozzle assembly comprises a rotating member and a nozzle, wherein the rotating member is rotatably connected to the cover shell or the carrier, wherein a flow passage is arranged inside the rotating member, wherein the nozzle is mounted on the rotating member, and the nozzle is in communication with the flow passage, wherein the flow passage is in communication with the second liquid outlet. 
     
     
         17 . The high-pressure cleaning device of  claim 16 , wherein the nozzle is configured such that when water flow is ejected from the nozzle, a reaction force produced by the water flow against the nozzle can drive the rotating member to rotate. 
     
     
         18 . The high-pressure cleaning device of  claim 16 , wherein a fixed pipe joint is arranged on the cover shell or the carrier, wherein the flow passage of the rotating member is in communication with one end of the fixed pipe joint, wherein the other end of the fixed pipe joint is in communication with the second liquid outlet through a pipeline, wherein a mechanical sealing unit is arranged between the rotating member and the fixed pipe joint.