A cartridge case configured to support a liquid storage body having a bag that stores a liquid, the cartridge case comprising: a first case having a first surface at a bottom thereof, the first surface being capable of placing the bag thereon, the first case extending in a first direction parallel to the first surface; a second case extending in the first direction and having a second surface facing the first surface; a shaft portion configured to move in the first direction with taking up the bag due to a restoring force of an elastic member by taking up an end portion on a second direction side of the elastic member, the elastic member being configured to generate the restoring force in the first direction by extending in the second direction opposite to the first direction, the shaft portion extending in a third direction that is a direction parallel to the first and the second surfaces and orthogonal to the first direction; first protruding portions (511,521) that are protruding portions provided on end portions in the third direction of the first case, each of the first protruding portions being formed extending across the first direction in a manner of protruding from each of the end portions in the third direction of the first case; second protruding portions (65, 66) that are protruding portions provided on end portions in the third direction of the second case and formed extending across the first direction, each of the second protruding portions protruding from each of the end portions in the third direction of the second case toward the first surface in a manner of facing one of the first protruding portions; and protruding end portions (431, 432) that protrude in the third direction from each of a pair of end portions in the third direction of the shaft portion, the protruding end portions being guided by the first protruding portions and the second protruding portions. a first case having a first surface at a bottom thereof, the first surface being capable of placing the bag thereon, the first case extending in a first direction parallel to the first surface; a second case extending in the first direction and having a second surface facing the first surface; a shaft portion configured to move in the first direction with taking up the bag due to a restoring force of an elastic member by taking up an end portion on a second direction side of the elastic member, the elastic member being configured to generate the restoring force in the first direction by extending in the second direction opposite to the first direction, the shaft portion extending in a third direction that is a direction parallel to the first and the second surfaces and orthogonal to the first direction; first protruding portions (511,521) that are protruding portions provided on end portions in the third direction of the first case, each of the first protruding portions being formed extending across the first direction in a manner of protruding from each of the end portions in the third direction of the first case; second protruding portions (65, 66) that are protruding portions provided on end portions in the third direction of the second case and formed extending across the first direction, each of the second protruding portions protruding from each of the end portions in the third direction of the second case toward the first surface in a manner of facing one of the first protruding portions; and protruding end portions (431, 432) that protrude in the third direction from each of a pair of end portions in the third direction of the shaft portion, the protruding end portions being guided by the first protruding portions and the second protruding portions.