Hair brush

Abstract

A hair brush includes a brush body and a brush pin holder. The brush body has a through frame hole provided for installing the brush pin holder, a base plate made of an elastic plastic material and integrally formed by injection molding, and a multiple of brush pins erected from a surface of the base plate. The base plate has a multiple through holes formed in an area enclosed by the frame hole. The design of the frame hole and through holes is provided for removing dirt accumulated at a root portion of the brush pin and allowing both front and back sides of the brush pin holder to have a good ventilation effect to prevent the growth of bacteria or the production of repulsive smells, so as to help maintaining the quality of hygiene of the whole hair brush.

What is claimed is: 
     
         1 . A hair brush, comprising:
 a brush body, having a through frame hole;   a brush pin holder, installed at the frame hole of the brush body, and having a base plate made of an elastic plastic material and integrally formed with the brush pin holder by injection molding, and a plurality of brush pins erected from a surface of the base plate, and the base plate having a peripheral profile greater than the frame hole of brush body, and the base plate further including a plurality of through holes formed thereon and in an area enclosed by the frame hole.   
     
     
         2 . The hair brush according to  claim 1 , wherein the brush pin holder has an aperture formed at the center position, and the aperture is greater than a window of each through hole. 
     
     
         3 . The hair brush according to  claim 1 , wherein each brush pin of the brush pin holder has a base coupled to the base plate and a brush portion coupled to the base, and the base has an external diameter relatively greater than the external diameter of the brush portion. 
     
     
         4 . The hair brush according to  claim 1 , wherein the hair brush has a plurality of bristles disposed on the base plate of the brush pin holder, and a base for fixing the plurality of bristles and coupling the base plate. 
     
     
         5 . The hair brush according to  claim 1 , wherein the hair brush has a plurality of bristles disposed on the base plate of the brush pin holder and a base for fixing the plurality of bristles and coupling the base plate, and the brush pin holder has an aperture formed at a center position of the base plate and greater than a window of each through hole, and each brash pin has a base coupled to the base plate and a brush portion coupled to the base, and the base has an external diameter greater than the external diameter of the brush portion. 
     
     
         6 . The hair brush according to  claim 3  or  5 , wherein the brush portion of each brush pin has an external diameter tapered towards the rear end. 
     
     
         7 . The hair brush according to any one of  claims 1  to  5 , wherein the brush pin holder has a plurality of brush pins with at least two different lengths and configured into a staggered arrangement. 
     
     
         8 . The hair brush according to  claim 3  or  5 , wherein the brush pin holder has a plurality of brush pins with at least two different lengths and configured into a staggered arrangement; and the brush portion of each brush pin has an external diameter tapered towards the rear end. 
     
     
         9 . The hair brush according to  claim 1 , wherein the brush body is formed by engaging two frames. 
     
     
         10 . The hair brush according to  claim 1 , wherein the brush body is formed by engaging two frames and each frame has a holding portion, and the two holding portions of the frames are engaged to form a handle.