Door latch device for vehicle

1. A door latch device for a vehicle, the door latch device comprising:

an inter lever locking or unlocking a door opening and closing a vehicle interior;

a cable connected to a door handle disposed on the door;

a cable cover surrounding the cable and removably provided to the cable when the door is shocked by an external object from the outside or collides with the external object;

an open preventing lever removably provided to the cable cover and rotatable when being removed from the cable cover, wherein the inter lever is positioned within a rotation radius of the open preventing lever; and

an out lever rotatably disposed and receiving a rotational force from the cable,

wherein the inter lever is selectively present within a rotation radius of the out lever, and is moved by receiving power from the out lever when the inter lever is engaged to the out lever, and

wherein when the open preventing lever is removed from the cable cover, the open preventing lever is rotated and moves the inter lever out of the rotation radius of the out lever.

2. The door latch device according to claim 1 , wherein the open preventing lever has a catching groove formed in one side based on a shaft of the open preventing lever, and the catching groove is coupled to a catching protrusion which protrudes from the cable cover.

3. The door latch device according to claim 2 , wherein the open preventing lever includes a pressing part which is positioned on another side based on the shaft of the open preventing lever, and the pressing part presses and moves the inter lever when the open preventing lever is rotated.

4. The door latch device according to claim 1 , further comprising an elastic body transferring rotation force to the open preventing lever.

5. The door latch device according to claim 1 , wherein the inter lever includes a guide hole coupled to a shaft and the guide hole of the inter lever is linearly moved along the shaft.