Toothbrush closely fitted to the teeth

Abstract

A toothbrush closely fitted to the teeth, comprising: a toothbrush main body, a bristle tuft hole is provided on a head of the toothbrush main body; a bristle tuft assembly, movably arranged in the bristle tuft hole; a spring assembly, the bristle tuft assembly is connected with the toothbrush main body through the spring assembly. This toothbrush skillfully is configured with spring assemblies, based upon the contact between the elastic body and the bristle tuft assembly, to realize the flexible movement and elastic body force driving of the bristle tuft, making every bristle tuft independently move upward and downward according to the surface and structure of teeth, achieving the benefit of effective cleaning, durable usage, simple structure and low manufacturing costs.

What is claimed is: 
     
         1 . A toothbrush closely fitted to the teeth, wherein, comprising:
 a toothbrush main body, a bristle tuft hole ( 11 ) is provided on a head of the toothbrush main body;   a bristle tuft assembly ( 2 ), movably arranged in the bristle tuft hole ( 11 );   a spring assembly ( 3 ), the bristle tuft assembly ( 2 ) is connected with the toothbrush main body through the spring assembly ( 3 ).   
     
     
         2 . The toothbrush closely fitted to the teeth according to  claim 1 , wherein, the toothbrush main body comprises a first main body ( 1 ) and a toothbrush back cover ( 4 ) connected with the first main body ( 1 ); the bristle tuft hole ( 11 ) is a through hole arranged on the first main body ( 1 ); a bottom of the bristle tuft assembly ( 2 ) is connected with the toothbrush back cover ( 4 ) through the spring assembly ( 3 ). 
     
     
         3 . The toothbrush closely fitted to the teeth according to  claim 1 , wherein, the number of the bristle tuft hole ( 11 ) is more than one; the spring assembly comprises a plurality of elastic bodies ( 31 ) connected with each other, an arrangement of the elastic bodies ( 31 ) corresponds to arrangement of the bristle tuft holes ( 11 ) on the toothbrush main body. 
     
     
         4 . The toothbrush closely fitted to the teeth according to  claim 2 , wherein, the number of the bristle tuft hole ( 11 ) is more than one; the spring assembly comprises a plurality of elastic bodies ( 31 ) connected with each other, an arrangement of the elastic bodies ( 31 ) corresponds to arrangement of the bristle tuft holes ( 11 ) on the toothbrush main body. 
     
     
         5 . The toothbrush closely fitted to the teeth according to  claim 1 , wherein, the bristle tuft assembly ( 2 ) comprises a bristle tuft base ( 22 ) with a fixing hole ( 221 ), a compression plate ( 23 ) and a bristle tuft base support plate ( 24 ) fixed in the fixing hole ( 221 ), and a bristle tuft ( 21 ) that is compressed on the bristle tuft base support plate ( 24 ) by the compression plate ( 23 ). 
     
     
         6 . The toothbrush closely fitted to the teeth according to  claim 2 , wherein, the bristle tuft assembly ( 2 ) comprises a bristle tuft base ( 22 ) with a fixing hole ( 221 ), a compression plate ( 23 ) and a bristle tuft base support plate ( 24 ) fixed in the fixing hole ( 221 ), and a bristle tuft ( 21 ) that is compressed on the bristle tuft base support plate ( 24 ) by the compression plate ( 23 ). 
     
     
         7 . The toothbrush closely fitted to the teeth according to  claim 5 , wherein, the fixing hole ( 221 ) is a tapered hole whose diameter decreases from the top to the bottom, and the compression plate ( 23 ) and the bristle tuft base support plate ( 24 ) are fixed in the fixing hole ( 221 ) by interference fit. 
     
     
         8 . The toothbrush closely fitted to the teeth according to  claim 6 , wherein, the fixing hole ( 221 ) is a tapered hole whose diameter decreases from the top to the bottom, and the compression plate ( 23 ) and the bristle tuft base support plate ( 24 ) are fixed in the fixing hole ( 221 ) by interference fit. 
     
     
         9 . The toothbrush closely fitted to the teeth according to  claim 5 , wherein, an opening top of the fixing hole ( 221 ) is inwardly closed to form a certain taper. 
     
     
         10 . The toothbrush closely fitted to the teeth according to  claim 6 , wherein, an opening top of the fixing hole ( 221 ) is inwardly closed to form a certain taper. 
     
     
         11 . The toothbrush closely fitted to the teeth according to  claim 3 , wherein, the elastic body ( 31 ) is a hollow frustoconical rubber elastic body. 
     
     
         12 . The toothbrush closely fitted to the teeth according to  claim 4 , wherein, the elastic body ( 31 ) is a hollow frustoconical rubber elastic body. 
     
     
         13 . The toothbrush closely fitted to the teeth according to  claim 1 , wherein, the spring assembly ( 3 ) comprises one or more of a spring, a rubber, a silicone rubber, an EVA elastic body and a sponge. 
     
     
         14 . The toothbrush closely fitted to the teeth according to  claim 5 , wherein, a diameter of the bristle tuft base ( 22 ) is small than a diameter of the bristle tuft hole ( 11 ), and an opening top of the bristle tuft hole ( 11 ) is provided with an inwardly convex flange ( 111 ), an opening diameter of the convex flange ( 111 ) is small than a diameter of the bristle tuft base ( 22 ). 
     
     
         15 . The toothbrush closely fitted to the teeth according to  claim 6 , wherein, a diameter of the bristle tuft base ( 22 ) is small than a diameter of the bristle tuft hole ( 11 ), and an opening top of the bristle tuft hole ( 11 ) is provided with an inwardly convex flange ( 111 ), an opening diameter of the convex flange ( 111 ) is small than a diameter of the bristle tuft base ( 22 ). 
     
     
         16 . The toothbrush closely fitted to the teeth according to  claim 2 , wherein, edges of the first main body ( 1 ) and the toothbrush back cover ( 4 ) are configured with fixing groove and protrusion that match with other each in size, and the first main body ( 1 ) and the toothbrush back cover ( 4 ) are fixedly connected as a uniform body through the fixing groove and protrusion fitting into each other, the spring assembly ( 3 ) is fixed within a chamber formed between the first main body ( 1 ) and the toothbrush back cover ( 4 ).