Drainage control device and cleaning robot

Abstract

The present invention provides a drainage control device and a cleaning robot, the drainage control device includes a water tank body and a middle cover sealingly disposed on an upper portion of the water tank body; wherein the middle cover is provided with a water inlet, an air inlet, and a steering engine assembly engaged with the air inlet and configured to adjust an opening size of the air inlet to control an air intake amount, the water inlet is mounted with a sealing cover, and a lower portion of the water tank body is provided with at least one water outlet. The present invention precisely controls the air intake amount through the steering gear assembly and the air inlet, and can accurately control the water output under the action of the atmospheric pressure, which is very suitable for the occasion where the displacement needs precise control.

What is claimed is: 
     
         1 . A drainage control device, comprising:
 a water tank body and a middle cover sealingly disposed on an upper portion of the water tank body;   wherein the middle cover is provided with a water inlet, an air inlet, and a steering engine assembly engaged with the air inlet and configured to adjust an opening size of the air inlet to control an air intake amount,   the water inlet is mounted with a sealing cover, and a lower portion of the water tank body is provided with at least one water outlet.   
     
     
         2 . The drainage control device according to  claim 1 , wherein the steering engine assembly comprises a steering gear and an air inlet sealer arranged on an output shaft of the steering gear, the air inlet sealer cooperates with the air inlet to block or open the air inlet. 
     
     
         3 . The drainage control device according to  claim 2 , wherein the steering engine assembly further comprises a connector mounted on the output shaft of the steering gear, and the air inlet sealer being mounted on the connector. 
     
     
         4 . The drainage control device according to  claim 3 , wherein the air inlet sealer comprises a cylindrical seal body and a flat portion arranged on the cylindrical seal body. 
     
     
         5 . The drainage control device according to  claim 2 , wherein the air inlet sealer is a soft rubber. 
     
     
         6 . The drainage control device according to  claim 1 , wherein the drainage control device further comprises an upper cover arranged at an upper portion of the middle cover, and the sealing cover is arranged on the upper cover. 
     
     
         7 . The drainage control device according to  claim 1 , wherein the middle cover is disposed with a mounting groove, and the steering engine assembly is arranged in the mounting groove. 
     
     
         8 . The drainage control device according to  claim 1 , wherein an amount of the at least one water outlet is six, and the six water outlets are evenly distributed at the lower portion of the water tank body. 
     
     
         9 . The drainage control device according to  claim 1 , wherein the sealing cover is a soft rubber. 
     
     
         10 . A cleaning robot, comprising a drainage control device;
 wherein the drainage control device comprises:
 a water tank body and a middle cover sealingly disposed on an upper portion of the water tank body; 
 wherein the middle cover is provided with a water inlet, an air inlet, and a steering engine assembly engaged with the air inlet, and the steering engine assembly is configured for adjusting an opening size of the air inlet to control an air intake amount, 
 a sealing cover is mounted on the water inlet, and at least one water outlet is arranged at a lower portion of the water tank body. 
   
     
     
         11 . The cleaning robot according to  claim 10 , wherein the steering engine assembly comprises a steering gear and an air inlet sealer arranged on an output shaft of the steering gear, the air inlet sealer cooperates with the air inlet to block or open the air inlet. 
     
     
         12 . The cleaning robot according to  claim 11 , wherein the steering engine assembly further comprises a connector mounted on the output shaft of the steering gear, and the air inlet sealer being mounted on the connector. 
     
     
         13 . The cleaning robot according to  claim 12 , wherein the air inlet sealer comprises a cylindrical seal body and a flat portion arranged on the cylindrical seal body. 
     
     
         14 . The cleaning robot according to  claim 11 , wherein the air inlet sealer is a soft rubber. 
     
     
         15 . The cleaning robot according to  claim 10 , wherein the drainage control device further comprises an upper cover arranged at an upper portion of the middle cover, and the sealing cover is arranged on the upper cover. 
     
     
         16 . The cleaning robot according to  claim 10 , wherein the middle cover is disposed with a mounting groove, and the steering engine assembly is arranged in the mounting groove. 
     
     
         17 . The cleaning robot according to  claim 10 , wherein an amount of the at least one water outlet is six, and the six water outlets are evenly distributed at the lower portion of the water tank body. 
     
     
         18 . The cleaning robot according to  claim 10 , wherein the sealing cover is a soft rubber.