Support frame

The utility model discloses a support frame, which is suitable for being arranged in a casing and is used for supporting an expansion card positioned in the casing. The supporting frame comprises a fixed frame body, a movable frame body, a light-emitting assembly and a locking assembly. The fixing frame body is used for being installed on a machine shell and is provided with a first sliding grooveextending in the first direction. The movable frame body is used for supporting the expansion card and is provided with a fixed structure extending along a second direction. The second direction is not parallel to the first direction. The light-emitting assembly is arranged on the fixed frame body or the movable frame body. The locking assembly penetrates through the first sliding groove and thefixing structure and has a locking state and a releasing state. When the locking assembly is in a release state, the movable frame body can move in the first direction or the second direction. When the locking assembly is in a