Door armrest assembly for vehicle

1. A door armrest assembly for a vehicle, the door armrest assembly comprising:

a trim panel covering an internal side of a vehicle door and having a pushing member; and

a door armrest mounted on the trim panel and having a protrusion disposed adjacent to the pushing member,

wherein at least a portion of the door armrest is separable from the trim panel in a side impact when the pushing member of the trim panel pushes the protrusion,

wherein the trim panel includes an upper trim panel located on an internal upper portion of the vehicle door,

wherein an extending portion extends from a lower end portion of the upper trail panel in a vertical direction thereof, and

wherein the pushing member is directly coupled to the extending portion by a fastener.

2. The door armrest assembly according to claim 1 , wherein the trim panel further includes a lower trim panel located on an internal lower portion of the vehicle door.

3. The door armrest assembly according to claim 2 , wherein the door armrest includes a first end portion supported by a lower end portion of the upper trim panel, and a second end portion supported by an upper end portion of the lower trim panel, and

the protrusion is disposed on a portion of the door armrest adjacent to the first end portion.

4. The door armrest assembly according to claim 1 , wherein the extending portion is offset with respect to the upper trim panel in an external direction of the vehicle door.

5. The door armrest assembly according to claim 2 , wherein the upper trim panel includes a notch.

6. The door armrest assembly according to claim 1 , wherein the pushing member has an inclined surface facing the protrusion of the door armrest.

7. The door armrest assembly according to claim 1 , wherein the protrusion has an inclined surface facing the pushing member.

8. The door armrest assembly according to claim 1 , wherein the door armrest includes an armrest core, a cushion disposed on an upper surface of the armrest core, and a cover covering an upper portion of the cushion.

9. The door armrest assembly according to claim 1 , wherein the vehicle door includes a striking portion configured for striking the pushing member.

10. The door armrest assembly according to claim 2 , wherein the upper trim panel includes a base panel, and a buffer sheet attached to the base panel.

11. The door armrest assembly according to claim 10 , wherein the base panel faces an internal surface of the vehicle.

12. The door armrest assembly according to claim 10 , wherein the base panel includes a material having a higher rigidity than a rigidity of the buffer sheet.

13. The door armrest assembly according to claim 10 , wherein the buffer sheet includes a shock-absorbing material.

14. The door armrest assembly according to claim 10 , wherein the base panel is thinner than the buffer sheet.