Idea of Logout Rounded Up Icon
The image is of an incomplete circle. The top of the circle does not close. In the center of the circle is an arrow that is pointing straight up. The point of the arrow is where the opening of the circle is. The arrow does not touch the edge of the circle.
This page shows the different variations of the Logout Rounded Up from an Icons8 icon pack. Feel free to resize and recolor the icon, and then download the icon in PNG format for free.