Safety box capable of preventing opening by infant and opening method

Abstract

A safety box comprises a paper pulp outer box ( 1 ) and a paper pulp inner box ( 2 ), where buckle holes ( 11 ) are provided in the two side edges of the paper pulp outer box respectively, the paper pulp inner box enters the paper pulp outer box from the inner box inlet and outlet opening ( 10 ), and outwardly protruding buckles ( 20 ) on the two side edges of the paper pulp inner box become fastened in the buckle holes arranged on the two side edges of the paper pulp outer box respectively, the wall thickness of the outwardly protruding buckles is equal to that of the paper pulp inner box, and the two outwardly protruding buckles oppositely deform inwards under external force so as to force the outwardly protruding buckles to be separated from the buckle holes while pushing out the paper pulp inner box.

1 . A safety box capable of preventing opening by an infant, characterized in that the safety box comprises:
 a paper pulp outer box ( 1 ) which is rectangular, an inner box inlet and outlet opening ( 10 ) provided in one end of the paper pulp outer box ( 1 ), and buckle holes ( 11 ) provided in the two side edges of the paper pulp outer box ( 1 ) respectively;   a paper pulp inner box ( 2 ) which enters the paper pulp outer box ( 1 ) from the inner box inlet and outlet opening ( 10 ), and outwardly protruding buckles ( 20 ) to be buckled in the buckle holes ( 11 ) arranged on the two side edges of the paper pulp outer box ( 1 ) respectively, where the wall thickness of the outwardly protruding buckles ( 20 ) is equal to that of the paper pulp inner box ( 2 ), and the two outwardly protruding buckles ( 20 ) oppositely deform inwards under external force so as to force the outwardly protruding buckles ( 20 ) to be separated from the buckle holes ( 11 ) and to push out the paper pulp inner box ( 2 ).   
     
     
         2 . The safety box capable of preventing opening by an infant according to  claim 1 , characterized in that the buckle hole ( 11 ) provided on one side edge of the paper pulp outer box ( 1 ) and the buckle hole ( 11 ) provided on the other side edge of the paper pulp outer box ( 11 ) are staggered in front and back;
 the outwardly protruding buckle ( 20 ) provided on one side edge of the paper pulp outer box ( 1 ) and the outwardly protruding buckle ( 20 ) provided on the other side edge of the paper pulp outer box ( 1 ) are staggered in front and back, and when the paper pulp inner box ( 2 ) enters the paper pulp outer box ( 1 ), the outwardly protruding buckles ( 20 ) become fastened in the buckle holes ( 11 ).   
     
     
         3 . The safety box capable of preventing opening by an infant according to  claim 1 , characterized in that the outwardly protruding buckles ( 20 ) are inwardly inclined from an upper opening to a bottom of the paper pulp inner box ( 2 ), and an inclined groove ( 21 ) with an inclined direction consistent with that of the outwardly protruding buckle ( 20 ) is formed on an inner side of the outwardly protruding buckles ( 20 ). 
     
     
         4 . The safety box capable of preventing opening by an infant according to  claim 3 , characterized in that an upper end of the outwardly protruding fasteners ( 20 ) protrudes out of the outer opening of the buckle holes ( 11 ), and the upper end of the inclined groove ( 21 ) communicates with the outside. 
     
     
         5 . The safety box capable of preventing opening by an infant according to  claim 4 , characterized in that the outwardly protruding buckles ( 20 ) include: an outwardly protruding side edge part I ( 201 ) which is close to the end with the inner box inlet and outlet opening ( 10 ), with an angle I equal to 90° formed between an outer surface of the outwardly protruding side edge part I ( 201 ) and the side edge of the paper pulp inner box ( 2 ); an outwardly protruding side edge part II ( 202 ) which is away from the outwardly protruding side edge part I ( 201 ), with an angle II greater than 90° formed between an outer surface of the outwardly protruding side edge part II ( 202 ) and the side edge of the paper pulp inner box ( 2 ); and the width of the outwardly protruding side edge part I ( 201 ) gradually decreases from the upper opening to the bottom of the paper pulp inner box ( 2 ), and the width of the outwardly protruding side edge part II ( 202 ) gradually decreases from the upper opening to the bottom of the paper pulp inner box ( 2 ); and the outwardly protruding buckles further include inclined parts ( 203 ), with one side edge of the inclined part ( 203 ) connected to one side edge of the outwardly protruding side edge part I ( 201 ) which is away from the paper pulp inner box ( 2 ), and the other side edge of the inclined part ( 203 ) connected to one side edge of the outwardly protruding side edge part II ( 202 ) which is away from the paper pulp inner box ( 2 ); and a bottom side of the inclined part ( 203 ) is connected to the bottom side edge of the paper pulp inner box ( 2 ) to form the inclined groove ( 21 ), and a groove depth of the inclined groove ( 21 ) gradually decreases from the side of the outwardly protruding side edge part I ( 201 ) to the side of the outwardly protruding side edge part II ( 202 ); and an angle III smaller than 90° is formed between an inner surface of the outwardly protruding side edge part I ( 201 ) and an inner surface of the inclined part ( 203 ), and an angle IV greater than 90° is formed between an inner surface of the outwardly protruding side edge part II ( 202 ) and the inner surface of the inclined part ( 203 ). 
     
     
         6 . The safety box capable of preventing opening by an infant according to  claim 5 , characterized in that a closed portion ( 12 ) is arranged at one end of the paper pulp outer box ( 1 ) which is away from the inner box inlet and outlet opening ( 10 ), and an inner box ejection hole ( 13 ) is arranged on the closed portion ( 12 ); the buckle holes ( 11 ) are square holes, and the outer surface of the outwardly protruding side edge part I ( 201 ) matches with a corresponding hole wall surface of the square holes; an angle II between 120° and 170° is formed between the outer surface of the outwardly protruding side edge part II ( 202 ) and the side edge of the paper pulp inner box ( 2 ), and the outer surface of the outwardly protruding side edge part II ( 202 ) contacts with a corresponding hole wall surface line of the square holes. 
     
     
         7 . The safety box capable of preventing opening by an infant according to  claim 6 , characterized in that a transverse section of the outwardly protruding side edge part II ( 202 ) is arc-shaped, the outer surface of the outwardly protruding side edge part II ( 202 ) is an arc-shaped convex surface, the inner surface of the outwardly protruding side edge part II ( 202 ) is an arc-shaped concave surface, and the arc-shaped concave surface and the arc-shaped convex surface match each other. 
     
     
         8 . The safety box capable of preventing opening by an infant according to  claim 7 , characterized in that one side edge of the outwardly protruding side edge part II ( 202 ) is connected to one side edge of the inclined part, and the other side edge of the outwardly protruding side edge part II ( 202 ) is connected to the paper pulp inner box ( 2 ) through an arc-shaped inner concave part ( 22 ). 
     
     
         9 . The safety box capable of preventing opening by an infant according to  claim 4 , characterized in that the outwardly protruding buckles ( 20 ) include: an outwardly protruding side edge part I ( 201 ) which is close to the end with the inner box inlet and outlet opening ( 10 ), with an angle I greater than 90° formed between an outer surface of the outwardly protruding side edge part I ( 201 ) and the side edge of the paper pulp inner box ( 2 ); an outwardly protruding side edge part II ( 202 ) which is away from the outwardly protruding side edge part I ( 201 ), with an angle II greater than 90° formed between an outer surface of the outwardly protruding side edge part II ( 202 ) and the side edge of the paper pulp inner box ( 2 ); the width of the outwardly protruding side edge part I ( 201 ) gradually decreases from the upper opening to the bottom of the paper pulp inner box ( 2 ), and the width of the outwardly protruding side edge part II ( 202 ) gradually decreases from the upper opening to the bottom of the paper pulp inner box ( 2 ); the outwardly protruding buckles ( 20 ) further include inclined parts ( 203 ), with one side edge of the inclined part ( 203 ) connected to one side edge of the outwardly protruding side edge part I ( 201 ) which is away from the paper pulp inner box ( 2 ), and the other side edge of the inclined part ( 203 ) connected to one side edge of the outwardly protruding side edge part II ( 202 ) which is away from the paper pulp inner box ( 2 ); a bottom side of the inclined part ( 203 ) is connected to the bottom side edge of the paper pulp inner box ( 2 ) to form the inclined groove ( 21 ), and groove depth of the inclined groove ( 21 ) gradually decreases from the side of the outwardly protruding side edge part I ( 201 ) to the side of the outwardly protruding side edge part II ( 202 ); an angle III smaller than 90° is formed between an inner surface of the outwardly protruding side edge part I ( 201 ) and an inner surface of the inclined part ( 203 ), and an angle IV greater than 90° is formed between an inner surface of the outwardly protruding side edge part II ( 202 ) and the inner surface of the inclined part ( 203 ); the angle I is smaller than the angle II. 
     
     
         10 . The safety box capable of preventing opening by an infant according to  claim 1 , characterized in that the paper pulp inner box ( 2 ) and the outwardly protruding buckles ( 20 ) are integrally formed by paper pulp pressing. 
     
     
         11 . The safety box capable of preventing opening by an infant according to  claim 10 , characterized in that an inner part of the paper pulp inner box ( 2 ) is provided with an inner arc chamfer ( 23 ), and an outer bottom of the paper pulp inner box ( 2 ) is provided with an outer arc chamfer ( 24 ) which is concentric with the inner arc chamfer ( 23 ). 
     
     
         12 . A safety box capable of preventing opening by an infant, characterized in that the safety box comprises:
 a paper pulp outer box ( 1 ) which is rectangular, an inner box inlet and outlet opening ( 10 ) provided in one end of the paper pulp outer box ( 1 ), and buckle holes ( 11 ) provided in the two side edges of the paper pulp outer box ( 1 ) respectively;   a paper pulp inner box ( 2 ) which enters the paper pulp outer box ( 1 ) from the inner box inlet and outlet opening ( 10 ), and outwardly protruding buckles ( 20 ) to be buckled in the buckle holes ( 11 ) arranged on the two side edges of the paper pulp outer box ( 1 ) respectively, the wall thickness of the outwardly protruding buckles ( 20 ) is equal to that of the paper pulp inner box ( 2 ), and the two outwardly protruding buckles ( 20 ) oppositely deform inwards under external force so as to force the outwardly protruding buckles ( 20 ) to be separated from the buckle holes ( 11 ) and to push out the paper pulp inner box ( 2 );   the buckle hole ( 11 ) provided on one side edge of the paper pulp outer box ( 1 ) and the buckle hole ( 11 ) provided on the other side edge of the paper pulp outer box ( 1 ) are staggered in front and back;   the outwardly protruding buckle ( 20 ) provided on one side edge of the paper pulp outer box ( 1 ) and the outwardly protruding buckle ( 20 ) provided on the other side edge of the paper pulp outer box ( 1 ) are staggered in front and back, when the paper pulp inner box ( 2 ) enters the paper pulp outer box ( 1 ), the outwardly protruding fasteners ( 20 ) become fastened in the fastening holes ( 11 ).   
     
     
         13 . A method for manually opening the safety box capable of preventing opening by an infant according to  claim 1 , characterized in that the method includes the following steps:
 S1. Preparing, when the paper pulp inner box is located in the paper pulp outer box and under a locked state, one hand presses the paper pulp outer box downward from the top of the paper pulp outer box, and the fingers contact with the outer surfaces of the outwardly protruding buckles on the two sides of the paper pulp inner box, and the fingers of the other hand extend into the inner box ejection hole and contact with the outer surface of the end of the paper pulp inner box which is close to the inner box push out hole;   S2. Pressing inward oppositely, the fingers which contact with the outer surface of the outwardly protruding fasteners in step S1 press inward oppositely, then, the two staggered outwardly protruding buckles oppositely deform inwards under the action of the oppositely inward forces, and the outwardly protruding buckles are separated from the buckle holes;   S3. Pushing out, when the outwardly protruding buckles are separated from the buckle holes in step S2, the fingers which contact with the outer surface of the end of the paper pulp inner box that is close to the inner box ejection hole in step S1 apply pressure toward the inner box inlet and outlet opening side of the paper pulp outer box, so that the paper pulp inner box can be pushed out of the outer side of the inlet and outlet opening or the paper pulp inner box is completely removed from the paper pulp outer box.