Brush head and toothbrush with the brush head

Abstract

A brush head and a toothbrush with the brush head are provided. The brush head includes a body having a front end, a back end opposing the front end, and two opposite sides; and a brush member mounted on a surface of the body and being formed with a plurality of bristles, wherein the plurality of bristles define a brush surface that slopes in relation to the surface of the body. The brush surface of the bristles can closely abut against the teeth and the gingival sulcus, and the cleaning effect of tooth brushing is efficiently enhanced using the toothbrush with the brush head, thereby overcoming the drawbacks of the prior art.

1 . A brush head comprising: 
 a body having a front end, a back end opposing the front end, and two opposite sides; and    a brush member mounted on a surface of the body and being formed with a plurality of bristles, wherein the plurality of bristles define a brush surface that slopes in relation to the surface of the body.    
   
   
       2 . The brush head of  claim 1 , wherein the front end includes a fixing portion.  
   
   
       3 . The brush head of  claim 2 , wherein the fixing portion is one of a protruding bump and a protruding rib.  
   
   
       4 . The brush head of  claim 1 , wherein the front end includes a first bonding portion.  
   
   
       5 . The brush head of  claim 4 , wherein the first bonding portion is a recessed portion.  
   
   
       6 . The brush head of  claim 1 , wherein the back end includes a fixing portion.  
   
   
       7 . The brush head of  claim 6 , wherein the fixing portion is one of a protruding bump and a protruding rib.  
   
   
       8 . The brush head of  claim 1 , wherein the back end includes a second bonding portion.  
   
   
       9 . The brush head of  claim 8 , wherein the second bonding portion is a recessed portion.  
   
   
       10 . The brush head of  claim 1 , wherein the brush surface of the brush member slopes toward one of the two opposite sides of the body of the brush head.  
   
   
       11 . The brush head of  claim 10 , wherein the plurality of bristles comprise bristles of different lengths, wherein the longer bristles are located at a position corresponding to the one of the two opposite sides of the body of the brush head, and the shorter bristles are located at a position corresponding to the other one of the two opposite sides of the body of the brush head.  
   
   
       12 . The brush head of  claim 10 , wherein the brush surface has a parabolic profile.  
   
   
       13 . The brush head of  claim 1 , wherein the body is further provided with an opening and two grooves respectively disposed at two sides of the opening.  
   
   
       14 . A toothbrush comprising: 
 the brush head of  claim 1;  and    a handle coupled to the brush head.    
   
   
       15 . The toothbrush of  claim 14 , wherein the brush head and the handle are integrally formed.  
   
   
       16 . The toothbrush of  claim 14 , wherein the brush head and the handle are separately formed.  
   
   
       17 . The toothbrush of  claim 14 , wherein the front end of the body of the brush head includes a first bonding portion, the back end of the body of the brush head includes a second bonding portion, and the handle includes a receiving portion and a third bonding portion.  
   
   
       18 . The toothbrush of  claim 17 , wherein the receiving portion includes a brush head.  
   
   
       19 . The toothbrush of  claim 18 , wherein the brush head included in the receiving portion comprises short soft bristles.  
   
   
       20 . The toothbrush of  claim 18 , wherein the brush head included in the receiving portion is the brush head of  claim 1 .  
   
   
       21 . The toothbrush of  claim 17 , wherein the receiving portion is a recessed portion.  
   
   
       22 . The toothbrush of  claim 17 , wherein the handle is coupled to one of the front end and the back end of the body of the brush head.  
   
   
       23 . The toothbrush of  claim 17 , wherein the third bonding portion is a protruding portion for being coupled to one of the first bonding portion and the second bonding portion.  
   
   
       24 . The toothbrush of  claim 17 , wherein the third bonding portion includes a protruding rib.  
   
   
       25 . The toothbrush of  claim 17 , wherein the handle further includes a fourth bonding portion.  
   
   
       26 . The toothbrush of  claim 25 , wherein the fourth bonding portion is a protruding portion.  
   
   
       27 . The toothbrush of  claim 14 , wherein the body of the brush head further includes an opening and two grooves respectively disposed on two sides of the opening, and the handle is formed at a front end thereof with a coupling member.  
   
   
       28 . The toothbrush of  claim 27 , wherein the coupling member includes a pivotal connection portion for being coupled to the opening, and two protruding portions respectively disposed on two sides of the pivotal connection portion and for being coupled to the two grooves of the body of the brush head.  
   
   
       29 . The toothbrush of  claim 28 , wherein the pivotal connection portion is formed with a notch.