Box and cover structure

Abstract

The present invention discloses a box and cover arrangement, comprising a box and a cover. The box comprising a receptacle chamber, an opening of the receptacle chamber, two concave rails provided in two parallel sides of the receptacle chamber respectively, and two positioning stops respectively protruded from the concave rails; and a cover, adapted for covering the opening of the box, the cover having two convex tracks provided in two parallel sides of the cover respectively and corresponding to the two concave rails of the box, and two positioning recesses respectively indented in the two convex tracks and corresponding to the two positioning stops of the box. When the two convex tracks of the cover respectively sliding to the inner ends of the two concave rails of the box, the two positioning recesses of the cover are respectively locked onto the two positioning stops of the box.

1 . A box and cover arrangement comprising: 
 a box, comprising a receptacle chamber, an opening of said receptacle chamber, two concave rails provided in two parallel sides of said receptacle chamber respectively, and two positioning stops respectively protruded from said concave rails; and    a cover, adapted for covering the opening of said box, said cover having two convex tracks provided in two parallel sides of said cover respectively and corresponding to the two concave rails of said box, and two positioning recesses respectively indented in said two convex tracks and corresponding to the two positioning stops of said box;    wherein, when the two convex tracks of said cover respectively sliding to the inner ends of said two concave rails of said box, said two positioning recesses of said cover are respectively locked onto said two positioning stops of said box.    
   
   
       2 . The box and cover arrangement as claimed in  claim 1 , wherein the positioning stop of said box is a round-shaped protrusion.  
   
   
       3 . The box and cover arrangement as claimed in  claim 1 , wherein the positioning recess of said cover is a round-shaped recess.