Vehicle body skeleton structure

1. A vehicle body skeleton structure, comprising:

a vehicle pillar bent to have a predetermined shape, and

at least one internal reinforcement member welded to the vehicle pillar, bent along a surface of the vehicle pillar and having a portion opposite to the surface of the vehicle pillar over the portion entirely, the portion including:

a first region with a plurality of first continuous weld lines substantially parallel to each other at predetermined intervals and extending in a vertical direction, and

a second region with a plurality of second continuous weld lines substantially parallel to each other at predetermined intervals and extending in a horizontal direction,

wherein the second region is separate from the first region, and

wherein the reinforcement member is welded to the vehicle pillar along the first weld lines and the second weld lines.

2. The vehicle body skeleton structure according to claim 1 , wherein the at least one reinforcement member is a single reinforcement member joined to the vehicle pillar and including the first region and the second region.

3. The vehicle body skeleton structure according to claim 1 , where the line at least one reinforcement member is welded along the weld lines to the vehicle pillar, while the vehicle pillar and the at least one reinforcement member are each in a form of a plate before being bent.

4. The vehicle body skeleton structure according to claim 2 , wherein the single reinforcement member is welded along the weld lines to the vehicle pillar, while the vehicle pillar and the single reinforcement member are each in a form of a plate before being bent.

5. The vehicle body skeleton structure according to claim 1 , where the vehicle pillar extends between and upper part and a lower part of a vehicle, and the vehicle pillar is positioned between a front door opening and a rear door opening of the vehicle.