Locking device for a portable folding computer

The present invention is foldable to be on the portable computer, and the computer main body 14 having a bearing ball hinge part 12 (34) is formed at the rear end, the hinge is fitted in the bearing hole 34 of the hinge portion 12 axis the display 20 to form a 32 on both sides of the bottom according to a foldable portable computer having a structure that is folded is fixed to the hinge shaft 32, the constant on the lower housing 18 of the computer main body 14 a locking step dolseol the height 22, the hinge portion 12, the bearing ball (34) installed therein, by rotational operation of the key 36 is inserted from the outside while linearly moving inside the hinge axis 32 of the a catch fixed Sikkim and at the same time hameuroseo provided with a locking device (38a) which allows to avoid the degradation of the engaging shoulder computer to take the 22 main body 14, an illegal user can not expand a display, the computer main unit operation the state is not able to remain inside the computer Prevent leakage and degradation of the information stored on your computer and you will also help prevent the failure of the device due to the play of children.