Front Bumper Assembly and Cleaning Robot

Abstract

The disclosure belongs to the technical field of intelligent household equipment, and provides to a front bumper assembly and a cleaning robot. The front bumper assembly includes a bumper body and two elastic pieces, the two elastic pieces are disposed at the rear ends of two sides of the bumper body, each of the elastic pieces is of an integrally formed structure and is provided with a first elastic portion and a second elastic portion which are abutted against the bumper body, the first elastic portion is configured for receiving first pressure applied by the bumper body, and is able to apply a first counterforce to the bumper body, the second elastic portion is configured for receiving a second pressure applied by the bumper body, and is able to apply a second counterforce to the bumper body, the first pressure is a pressure in an advancing direction of the cleaning robot, and the second pressure is a lateral pressure perpendicular to or arranged at an acute angle with the advancing direction. The disclosure further provides a cleaning robot. According to the front bumper assembly and the cleaning robot, the number of needed elastic pieces is small, the occupied space is small, and the manufacturing cost is low.

What is claimed is: 
     
         1 . A front bumper assembly, applied to a cleaning robot, comprising a bumper body and two elastic pieces, the two elastic pieces are disposed at rear ends of two sides of the bumper body, each of the elastic pieces is of an integrally formed structure and is provided with a first elastic portion and a second elastic portion which are abutted against the bumper body, the first elastic portion is configured for receiving first pressure applied by the bumper body, and is able to apply a first counterforce opposite to the first pressure in direction to the bumper body, the second elastic portion is configured for receiving second pressure applied by the bumper body, and is able to apply a second counterforce opposite to the second pressure in direction to the bumper body, the first pressure is a pressure in an advancing direction of the cleaning robot, and the second pressure is a lateral pressure perpendicular to or arranged at an acute angle with the advancing direction. 
     
     
         2 . The front bumper assembly as claimed in  claim 1 , wherein the elastic piece comprises a first bent portion, a spring portion and a second bent portion, which are connected in sequence, the first bent portion is configured for being connected with a main body of the cleaning robot, the spring portion defines the first elastic portion, and the second bent portion extends from an end portion of the spring portion to a lateral side of the spring portion to form the second elastic portion. 
     
     
         3 . The front bumper assembly as claimed in  claim 1 , wherein the elastic piece comprises a first bent portion and a second bent portion connected to each other, the first bent portion is configured for being connected with a main body of the cleaning robot, the second bent portion is a V-shaped structure with an opening facing a side where the first bent portion is located, the V-shaped structure defines the first elastic portion, and a free end of the V-shaped structure defines the second elastic portion. 
     
     
         4 . The front bumper assembly as claimed in  claim 2 , wherein the first bent portion is a sleeving part mounted on the main body of the cleaning robot in a sleeving manner. 
     
     
         5 . The front bumper assembly as claimed in  claim 1 , wherein the bumper body comprises a transverse portion and longitudinal portions connected to two ends of the transverse portion respectively, a first limiting structure is provided at a free end of each longitudinal portion and comprises a first limiting portion and a second limiting portion, the first limiting portion is disposed on an inner side wall of the longitudinal portion in a protruding mode, and is configured for abutting against the first elastic portion, and the second limiting portion is disposed on an end face of the longitudinal portion in a protruding mode in the length direction of the longitudinal portion and is configured for abutting against the second elastic portion. 
     
     
         6 . The front bumper assembly as claimed in  claim 5 , wherein the first limiting structure further comprises a supporting portion formed between the first limiting portion and the second limiting portion, and the supporting portion is configured for supporting the elastic piece. 
     
     
         7 . The front bumper assembly as claimed in  claim 6 , wherein the first limiting portion, the second limiting portion and the supporting portion are all plate bodies, any two of which are perpendicular to each other. 
     
     
         8 . A cleaning robot, comprising a main body of the cleaning robot, a collision detection mechanism mounted on the main body of the cleaning robot, and the front bumper assembly as claimed in  claim 1 . 
     
     
         9 . The cleaning robot as claimed in  claim 8 , wherein the main body of the cleaning robot comprises a base and an upper housing mounted on the base, a mounting space is formed between the upper housing and the base, a part of the bumper body is located in the mounting space, another part protrudes out of the mounting space, the bumper body is able to move relative to the upper housing and the base within a preset range, and the collision detection mechanism and the elastic pieces are both fixedly mounted on the base and/or the upper housing. 
     
     
         10 . The cleaning robot as claimed in  claim 9 , wherein a second limiting structure and a third limiting structure are formed between the base and the upper housing, the second limiting structure is configured for limiting a moving range of the bumper body in a vertical direction, and the third limiting structure is configured for limiting a moving range of the bumper body in a horizontal plane. 
     
     
         11 . The cleaning robot as claimed in  claim 10 , wherein the second limiting structure comprises a first protruding portion disposed on a lower surface of the upper housing in a protruding mode, a bottom face of the first protruding portion is lower than a bottom face of the upper housing, and the bottom face of the first protruding portion abuts against an upper surface of the base;
 or, the second limiting structure comprises a first protruding portion disposed on an upper surface of the base in a protruding mode, a top face of the first protruding portion is higher than a top face of the base, and the top face of the first protruding portion abuts against a lower surface of the upper housing.   
     
     
         12 . The cleaning robot as claimed in  claim 11 , wherein the bumper body is provided with a receiving hole for the first protruding portion to penetrate through. 
     
     
         13 . The cleaning robot as claimed in  claim 10 , wherein the third limiting structure comprises a limiting plate and a second protruding portion, the limiting plate is located on an inner side of the bumper body and connected with the bumper body, a through hole is provided in a middle of the limiting plate, the second protruding portion is disposed on the lower surface of the upper housing or the upper surface of the base in a protruding mode, and at least part of the second protruding portion is located in the through hole; and a cross sectional area of the through hole is larger than a cross sectional area of the part, located in the through hole, of the second protruding portion. 
     
     
         14 . The cleaning robot as claimed in  claim 9 , wherein a third protruding portion configured for supporting the bumper body is provided on the upper surface of the base. 
     
     
         15 . The front bumper assembly as claimed in  claim 3 , wherein the first bent portion is a sleeving part mounted on the main body of the cleaning robot in a sleeving manner. 
     
     
         16 . The front bumper assembly as claimed in  claim 2 , wherein the bumper body comprises a transverse portion and longitudinal portions connected to two ends of the transverse portion respectively, a first limiting structure is provided at a free end of each longitudinal portion and comprises a first limiting portion and a second limiting portion, the first limiting portion is disposed on an inner side wall of the longitudinal portion in a protruding mode, and is configured for abutting against the first elastic portion, and the second limiting portion is disposed on an end face of the longitudinal portion in a protruding mode in the length direction of the longitudinal portion and is configured for abutting against the second elastic portion. 
     
     
         17 . The cleaning robot as claimed in  claim 8 , wherein the elastic piece is formed by bending a strip-shaped piece, and comprises a first bent portion, a spring portion and a second bent portion, which are connected in sequence, the first bent portion is configured for being connected with a main body of the cleaning robot, the spring portion defines the first elastic portion, and the second bent portion extends from an end portion of the spring portion to a lateral side of the spring portion to form the second elastic portion. 
     
     
         18 . The cleaning robot as claimed in  claim 8 , wherein the elastic piece is formed by bending a sheet body and comprises a first bent portion and a second bent portion connected to each other, the first bent portion is configured for being connected with a main body of the cleaning robot, the second bent portion is a V-shaped structure with an opening facing a side where the first bent portion is located, the V-shaped structure defines the first elastic portion, and a free end of the V-shaped structure defines the second elastic portion. 
     
     
         19 . The cleaning robot as claimed in  claim 8 , wherein the first bent portion is a sleeving part mounted on the main body of the cleaning robot in a sleeving manner. 
     
     
         20 . The cleaning robot as claimed in  claim 8 , wherein the bumper body comprises a transverse portion and longitudinal portions connected to two ends of the transverse portion respectively, a first limiting structure is provided at a free end of each longitudinal portion and comprises a first limiting portion and a second limiting portion, the first limiting portion is disposed on an inner side wall of the longitudinal portion in a protruding mode, and is configured for abutting against the first elastic portion, and the second limiting portion is disposed on an end face of the longitudinal portion in a protruding mode in the length direction of the longitudinal portion and is configured for abutting against the second elastic portion.