Vehicle jack device

A vehicle jack device comprising:

• a base portion comprising an inserting hole into which a hinge shaft is inserted, and which is supported on a bottom side;
• a pair of lower arms, each comprising a first portion receiving the hinge shaft of the base portion therein in a rotatable way, and further comprising a lower arm reinforcing rib disposed in a lengthwise direction thereon;
• a pair of upper arms, each respectively installed in a second portion of the lower arms, and comprising a upper arm reinforcing rib is disposed in a lengthwise direction thereon;
• a bracket member for fixing a second portion of the upper arms in a rotatable way;
• and
• a driver installed between the lower arms and the upper arms configured to provide a tucking driving force to the lower arms and the upper arms,
• wherein multiple lower arm and upper arm reinforcing ribs are formed with different heights in a lengthwise direction of the lower arms and the upper arms,
• wherein the base portion, the lower arm, the upper arm, and the bracket member are made of a plastic material,
• wherein the first portion of the pair of lower arms comprises a lower inserting pipe formed on the first portion of the lower arms and extending across the lengthwise direction of the lower arms into which the hinge shaft is inserted in a rotatable way, and the second portion of the pair of lower arms comprises a lower inserting unit connected to the upper arm with the driver therebetween, and
• wherein a first portion of an edge of the lower inserting unit is opened in a semicircular form.