Storage Box

Abstract

The present utility model belongs to the technical field of a storage apparatus, and in particular, relates to a storage box, comprising a bottom case and an upper cover, wherein a first side of the upper cover is rotatably connected to a first side of the bottom case; an inner flange is arranged on a second side of the upper cover, a lock piece is connected to an inner end of a second side of the bottom case, the lock piece comprises a raised snap and an unlocking column that protrude beyond the second side of the bottom case, and the raised snap is located above the unlocking column; and when the upper cover covers the bottom case, the raised snap is snap fit to the inner flange, and pressing the unlocking column can force the raised snap to detach from the snap fitting to the inner flange. Both opening and locking operations of the storage box of the present utility model are very convenient, and even if the storage box is frequently opened for use, locking of the storage box can still be kept stable and effective, and the storage box is not easy to automatically open with high practicability.

What is claimed is: 
     
         1 . A storage box, comprising a bottom case and an upper cover, wherein a first side of the upper cover is rotatably connected to a first side of the bottom case, characterized in that:
 an inner flange is arranged on a second side of the upper cover, a lock piece is connected to an inner end of a second side of the bottom case, the lock piece comprises a raised snap and an unlocking column that protrude beyond the second side of the bottom case, and the raised snap is located above the unlocking column; and   when the upper cover covers the bottom case, the raised snap is snap fit to the inner flange, and pressing the unlocking column can force the raised snap to detach from the snap fitting to the inner flange.   
     
     
         2 . The storage box according to  claim 1 , characterized in that: the bottom case comprises a bottom plate, a lower outer frame arranged around the circumference of the bottom plate and protruding upward, and a lower inner frame bent inward at the top end of the lower outer frame and protruding upward;
 the lock piece is connected to an inner side of the lower outer frame, the lower outer frame is provided with a column hole for the unlocking column to pass through and protrude beyond the bottom case, and the lower inner frame is provided with a snap hole for the raised snap to pass through and protrude beyond the bottom case; and   the upper cover comprises an upper plate and an upper outer frame arranged around the circumference of the upper plate and protruding downward, the inner flange is arranged at the bottom end of the upper outer frame, the upper outer frame covers the lower inner frame, and a first side of the upper outer frame is rotatably connected to a first side of the connection between the lower outer frame and the lower inner frame.   
     
     
         3 . The storage box according to  claim 2 , characterized in that: the lock piece comprises a horizontal plate portion and at least one vertical plate portion, each vertical plate portion is vertically connected to the horizontal plate portion, the raised snap is arranged at the end of each vertical plate portion, the unlocking column is arranged on the horizontal plate portion, and the horizontal plate portion is connected to the inner wall of the lower outer frame. 
     
     
         4 . The storage box according to  claim 3 , characterized in that: two vertical plate portions are arranged, the two vertical plate portions are arranged adjacent to opposite ends of the horizontal plate portion respectively, two unlocking columns are arranged, and the positions of the two unlocking columns are directly opposite to the positions of the two vertical plate portions respectively. 
     
     
         5 . The storage box according to  claim 3 , characterized in that: a first through-hole is provided on the lower outer frame, a second through-hole directly opposite to the first through-hole is provided on the horizontal plate portion, and the horizontal plate portion is connected to the lower outer frame via a riveting column sequentially running through the first through-hole and the second through-hole. 
     
     
         6 . The storage box according to  claim 5 , characterized in that: a pressing piece is arranged inside the horizontal plate portion, the pressing piece is provided with a third through-hole directly opposite to the second through-hole, and the riveting column connects the lower outer frame, the horizontal plate portion, and the pressing piece after sequentially running through the first through-hole, the second through-hole, and the third through-hole. 
     
     
         7 . The storage box according to  claim 3 , characterized in that: the horizontal plate portion does not fall into an orthographic projection of the lower inner frame. 
     
     
         8 . The storage box according to any of  claims 2  to  7 , characterized in that: the raised snap is a wedge block with a bevel arranged upward. 
     
     
         9 . The storage box according to any of  claims 2  to  7 , characterized in that: the lock piece is integrally injection molded by using a plastic material. 
     
     
         10 . The storage box according to any of  claims 1  to  7 , characterized in that: a sealing gasket is arranged on the top of the upper cover.