Cashbox and money validator with the same

A cashbox comprising a front surface, a back surface, a left surface, a right surface, a bottom surface, and a top surface, wherein the cashbox comprises:

• a left shell comprising a first side wall forming the left surface, a second side wall at least partially forming the front surface, and a third side wall at least partially forming the bottom surface;
• a right shell comprising a fourth side wall forming the right surface, a fifth side wall at least partially forming the front surface, and a sixth side wall at least partially forming the bottom surface;
• a first fixing panel fixedly connected through screws to the second side wall and the fifth side wall which are located at an inner side of the first fixing panel, so as to form the front surface together with the second side wall and the fifth side wall;
• a second fixing panel fixedly connected through screws to the third side wall and the sixth side wall which are located at an inner side of the second fixing panel, so as to form the bottom surface together with the third side wall and the sixth side wall;
• an upper cover with a money entrance forming the top surface, and being inserted to and between the left shell and the right shell;
• and
• a box door fixing panel and a box door which is pivotally connected to the box door fixing panel through a pivot shaft, the box door fixing panel and the box door forming the back surface of the cashbox together, wherein the box door fixing panel is inserted to and between the left shell and the right shell, and the box door is connected with the upper cover through a security lock.