Ground cleaning apparatus

Abstract

The present disclosure discloses a ground cleaning apparatus which includes a rolling brush assembly, a shell covering the rolling brush assembly, a transmission motor, a power module, and a control module. The control module can control the power module to connect with the transmission motor. The transmission motor drives the rolling brush assembly to rotate. The ground cleaning apparatus further includes a clear water tank, a wastewater tank, a ground brush module, and a threaded rod assembly. The ground brush module includes a ground brush holder body and a wastewater tank, a ground brush holder right cover and a ground brush holder left cover are arranged on two sides of the ground brush holder body, and the rolling brush assembly is mounted in the ground brush module through the ground brush holder right cover and the ground brush holder left cover.

What is claimed is: 
     
         1 . A ground cleaning apparatus, comprising a rolling brush assembly, a shell covering the rolling brush assembly, a transmission motor, a power module, and a control module, wherein the control module can control the power module to connect with the transmission motor, and the transmission motor drives the rolling brush assembly to rotate, wherein
 the ground cleaning apparatus further comprises a clear water tank, a wastewater tank, a ground brush module, and a threaded rod assembly;   the ground brush module comprises a ground brush holder body, and the rolling brush assembly, the ground brush holder body, and the wastewater tank are provided in a horizontal direction in sequence;   end covers are arranged at two sides of the ground brush holder body, an inner side of the ground brush holder body is provided with a dirt holding tank in a shape matching a shape of the threaded rod assembly, the dirt holding tank has a semi-surrounding structure, the semi-surrounding structure of the dirt holding tank is greater than 180 degrees, and a dirt discharging opening is provided at an end along a direction in which the threaded rod assembly and the dirt holding tank transmit wastewater and garbage;   the threaded rod assembly is arranged in the dirt holding tank of the ground brush module, the threaded rod assembly is provided with a thread set, a thread edge of the thread set is arranged close to an inner wall of the dirt holding tank, and the clear water tank delivers clear water to the dirt holding tank or the rolling brush assembly by using a clear water delivery pipe;   a part of the threaded rod assembly is in squeezing contact with a rolling brush surface of the rolling brush assembly by using the semi-surrounding structure of the dirt holding tank, and relative rotation between the threaded rod assembly and the rolling brush assembly enables wastewater and garbage attracted by the rolling brush to be transmitted to the dirt discharging opening by using the dirt holding tank; and   the dirt discharging opening is arranged corresponding to a wastewater tank water inlet of the wastewater tank.   
     
     
         2 . The ground cleaning apparatus of  claim 1 , wherein a threaded rod body of the threaded rod assembly is provided with a first thread set and a second thread set, a thread diameter of the second thread set is greater than a thread diameter of the first thread set, a thread pitch of the second thread set is less than a thread pitch of the first thread set, the second thread set is arranged corresponding to the dirt discharging opening, and the first thread set and the second thread set are flexible thread sets. 
     
     
         3 . The ground cleaning apparatus according to  claim 1 , wherein a gap between the thread edge of the threaded rod assembly and the inner wall of the dirt holding tank is less than 1 mm, or ranges from 0.2 to 0.5 mm. 
     
     
         4 . The ground cleaning apparatus of  claim 1 , wherein
 the threaded rod assembly passively rotates, and the rolling brush assembly rotates to drive the threaded rod assembly to passively rotate;   or the threaded rod assembly is connected to a motor, to movably rotate.   
     
     
         5 . The ground cleaning apparatus of  claim 2 , wherein a lower edge of the dirt discharging opening is higher than a horizontal position of a central axis of the threaded rod, and an upper edge of the dirt discharging opening is higher than an upper thread edge of the threaded rod assembly; and a width of the dirt discharging opening is less than or equal to a width of the second thread set. 
     
     
         6 . The ground cleaning apparatus of  claim 1 , wherein the dirt discharging opening is provided with a propping block, and the propping block props a wastewater tank water inlet cover open. 
     
     
         7 . The ground cleaning apparatus of  claim 1 , wherein a ratio of a diameter of the rolling brush assembly to a diameter of the threaded rod assembly ranges from 4:1 to 1:1. 
     
     
         8 . The ground cleaning apparatus of  claim 1 , wherein a ground brush holder right cover and a ground brush holder left cover are respectively provided with a rolling brush lifting handle mounting slot, an inner wall of at least one rolling brush lifting handle mounting slot is provided with an elastic electrically-conductive component, the rolling brush assembly is mounted from top to bottom, an electrically-conductive component is mounted on a side surface of at least one rolling brush lifting handle, the electrically-conductive component matches the elastic electrically-conductive component, and two sides of the rolling brush assembly are provided with bearings. 
     
     
         9 . The ground cleaning apparatus of  claim 1 , wherein a ground brush holder right cover and a ground brush holder left cover are respectively provided with a threaded rod rotation head mounting slot and a threaded rod mounting opening, a threaded rod rotation head at an end of the threaded rod assembly matches the threaded rod rotation head mounting slot, a threaded rod end cover is fixedly connected to the threaded rod mounting opening, and a bearing is arranged on at least one side of the threaded rod end cover of the threaded rod assembly. 
     
     
         10 . The ground cleaning apparatus of  claim 1 , wherein the clear water delivery pipe directly sprays clear water onto the rolling brush surface. 
     
     
         11 . The ground cleaning apparatus of  claim 1 , wherein a shell of the ground brush module is provided with a ground brush flip-over cover, the ground brush flip-over cover is provided with a flip-over cover front lock male end and a flip-over cover rear lock female end, the flip-over cover front lock male end is adapted to a flip-over cover front lock female end, and the flip-over cover rear lock female end is adapted to a flip-over cover lock strip. 
     
     
         12 . The ground cleaning apparatus of  claim 1 , further provided with a rolling brush detection structure, wherein the rolling brush detection structure is able to detect whether a rolling brush layer on the rolling brush assembly has water. 
     
     
         13 . The ground cleaning apparatus of  claim 12 , wherein the rolling brush detection structure comprises two electrically-conductive contacts, the two electrically-conductive contacts are arranged at an interval, the electrically-conductive contacts are arranged in contact with the rolling brush layer on the rolling brush assembly, the two electrically-conductive contacts are respectively connected with the power module through a wire, and whether the rolling brush layer has water is detected through whether electricity is conducted between the two electrically-conductive contacts. 
     
     
         14 . The ground cleaning apparatus of  claim 1 , wherein a plurality of first water replenishment holes are provided on the ground brush module, the first water replenishment holes face the rolling brush assembly, and the first water replenishment holes are connected to the clear water tank by using the clear water delivery pipe; and
 a second water replenishment hole is provided on the dirt holding tank, the second water replenishment hole is arranged at an end of the dirt holding tank away from the dirt discharging opening, and the second water replenishment hole is connected to the clear water tank by using the clear water delivery pipe.   
     
     
         15 . The ground cleaning apparatus of  claim 1 , wherein an air hole is provided on the wastewater tank. 
     
     
         16 . The ground cleaning apparatus of  claim 15 , wherein an inner wall of the wastewater tank is provided with a blocking slot, and a side wall of the blocking slot corresponds to the air hole; or
 the air hole is covered with a waterproof breathable film.   
     
     
         17 . The ground cleaning apparatus of  claim 1 , wherein the clear water tank delivers clear water to an end of the dirt holding tank away from the dirt discharging opening by using the clear water delivery pipe. 
     
     
         18 . A ground cleaning apparatus, comprising a rolling brush assembly, a transmission motor, a power module, and a control module, wherein the control module can control the power module to connect with the transmission motor, and the transmission motor drives the rolling brush assembly to rotate, wherein
 the ground cleaning apparatus further comprises a clear water tank, a wastewater tank, a ground brush module, and a threaded rod assembly;   the ground brush module comprises a ground brush holder body, and the rolling brush assembly, the ground brush holder body, and the wastewater tank are provided in a horizontal direction in sequence;   end covers are arranged at two sides of the ground brush holder body, an inner side of the ground brush holder body is provided with a dirt holding tank in a shape matching a shape of the threaded rod assembly, the dirt holding tank has a semi-surrounding structure, the semi-surrounding structure of the dirt holding tank is greater than 180 degrees, and a dirt discharging opening is provided at an end along a direction in which the threaded rod assembly and the dirt holding tank transmit wastewater and garbage;   the threaded rod assembly is arranged in the dirt holding tank of the ground brush module, the threaded rod assembly is provided with a thread set, a thread edge of the thread set is arranged close to an inner wall of the dirt holding tank, and the clear water tank delivers clear water to the dirt holding tank or the rolling brush assembly by using a clear water delivery pipe;   a part of the threaded rod assembly is in squeezing contact with a rolling brush surface of the rolling brush assembly by using the semi-surrounding structure of the dirt holding tank, and relative rotation between the threaded rod assembly and the rolling brush assembly enables wastewater and garbage attracted by the rolling brush to be transmitted to the dirt discharging opening by using the dirt holding tank; and   the dirt discharging opening is arranged corresponding to a wastewater tank water inlet of the wastewater tank; and   the threaded rod assembly comprises a first thread set and a second thread set, a thread pitch of the second thread set is less than a thread pitch of the first thread set, the second thread set is arranged corresponding to the dirt discharging opening, the first thread set and the second thread set are flexible thread sets, and a length of the first thread set is greater than a length of the second thread set.   
     
     
         19 . The ground cleaning apparatus of  claim 18 , wherein
 an end cover of the threaded rod assembly is detachably fastened to an end cover on a side of the ground brush holder body, a thread diameter of the second thread set is greater than a thread diameter of the first thread set, the second thread set is arranged corresponding to the dirt discharging opening, a width of the second thread set is greater than or equal to a width of the dirt discharging opening, and a length of the first thread set is greater than a length of the second thread set; and the thread edge of the threaded rod assembly is arranged close to or attached tightly to the inner wall of the dirt holding tank.