Vehicle body lower structure

1. A vehicle body lower structure, comprising:

a hollow rocker arranged at a lower lateral part of a vehicle body and extending along a front-rear direction of the vehicle body;

a power source arranged adjacent to the rocker;

an energy absorbing member connected to the power source and arranged under the rocker; and

a collar arranged between the rocker and the energy absorbing member,

wherein

the rocker is provided with a flange extending downward from a bottom plate of the rocker, and

a height of the collar above the energy absorbing member is greater than a height of the flange.

2. The vehicle body lower structure of claim 1 , wherein

the collar penetrates an upper plate of the energy absorbing member,

an upper end of the collar is in contact with the bottom plate of the rocker and a lower end of the collar is in contact with a lower plate of the energy absorbing member, and

the rocker and the energy absorbing member are joined together with a bolt passing through the collar.

3. The vehicle body lower structure of claim 2 , further comprising a support plate extending from the power source,

wherein the support plate and the energy absorbing member are joined together with the bolt passing through the collar.

4. The vehicle body lower structure of claim 3 , wherein

the energy absorbing member includes a first energy absorbing member and a second energy absorbing member arranged between the first energy absorbing member and the power source, and

the first energy absorbing member, the second energy absorbing member, and the support plate are joined together with an additional bolt.

5. The vehicle body lower structure of claim 1 , wherein the energy absorbing member is a hollow beam.