Ground brush for vacuum cleaner and vacuum cleaner with the same

Abstract

A ground brush ( 1 ) for a vacuum cleaner includes a ground brush body ( 10 ), a brushroll ( 301 ) and a brushroll cover ( 20 ), wherein the ground brush body ( 10 ) is provided with a mounting groove ( 11 ) which has an upper opening and a lower opening in communication with each other; the brushroll ( 301 ) is rotatably mounted in the mounting groove ( 11 ); and the brushroll cover ( 20 ) covers the brushroll ( 301 ), and has a first end inserted in the ground brush body ( 10 ) and a second end snapped into the ground brush body ( 10 ).

What is claimed is: 
     
         1 . A ground brush for a vacuum cleaner, comprising:
 a ground brush body provided with a mounting groove, wherein the mounting groove has an upper opening and a lower opening in communication with each other;   a brushroll rotatably mounted in the mounting groove; and   a brushroll cover covering the brushroll, wherein the brushroll cover has a first end inserted in the ground brush body and a second end snapped into the ground brush body.   
     
     
         2 . The ground brush according to  claim 1 , wherein one of a bottom wall surface of the first end of the brushroll cover and the ground brush body is provided with at least one protrusion, the other one of the bottom wall surface of the first end of the brushroll cover and the ground brush body is provided with at least one groove, and the protrusion can be inserted in or pulled out from the groove. 
     
     
         3 . The ground brush according to  claim 2 , wherein a plurality of the protrusions and a plurality of the grooves are provided, and the plurality of the protrusions and the plurality of the grooves are arranged in one-to-one correspondence. 
     
     
         4 . The ground brush according to  claim 1 , wherein the second end of the brushroll cover has an outside wall which is provided with a snap groove, the ground brush body is provided with a snap fitted with the snap groove, and the snap has a first end protruding out of a side wall of the mounting groove and snapped into the snap groove. 
     
     
         5 . The ground brush according to  claim 4 , wherein the ground brush body has an upper end face which is provided with a mounting hole, and a release key is mounted in the mounting hole; and the mounting hole has a first side wall which is provided with a communicating hole running through the side wall of the mounting groove, the snap has a second end connected with a lower end of the release key, and the release key can be pushed to drive the snap to move in the communicating hole to approach or leave the side wall of the mounting groove. 
     
     
         6 . The ground brush according to any one of  claim 5 , wherein an elastic member is supported between a second side wall of the mounting hole opposite the communicating hole and the release key, and the elastic member normally pushes the release key to approach the side wall of the mounting groove, such that the first end of the snap protrudes out of the side wall of the mounting groove. 
     
     
         7 . The ground brush according to  claim 1 , wherein the second end of the brushroll cover has an outside wall which is provided with a snap, the ground brush body is provided with a snap groove fitted with the snap, and the snap is configured to be snapped into the snap groove. 
     
     
         8 . The ground brush according to  claim 1 , wherein the brushroll cover is provided with a triggering part, and the ground brush body is provided with a microswitch;
 the triggering part triggers the microswitch to turn on a control circuit coupled with the brushroll when the brushroll cover is closed on the ground brush body, and the triggering part releases a trigger action on the microswitch to turn off the control circuit when the brushroll cover is opened.   
     
     
         9 . The ground brush according to  claim 8 , wherein when the brushroll cover is closed on the ground brush body, and the triggering part directly contacts and triggers the microswitch. 
     
     
         10 . The ground brush according to  claim 8 , wherein the microswitch comprises:
 a fixing member fixed to the ground brush body and coupled with the control circuit;   a resilient member disposed on the fixing member; and   a button disposed on the fixing member and located between the resilient member and the fixing member, wherein the triggering part can turn on the control circuit if the resilient member presses the button, and when the triggering part is separated from the resilient member, the button returns to turn off the control circuit.   
     
     
         11 . The ground brush according to  claim 8 , further comprising:
 a driving member disposed on the ground brush body and cooperating with the microswitch, wherein when the brushroll cover is closed on the ground brush body, the triggering part triggers the driving member and triggers the microswitch indirectly through the driving member.   
     
     
         12 . A vacuum cleaner comprising the ground brush according to  claim 1 .