Abstract: There is provided with a battery cover that can efficiently protect a battery from the ambient temperature environment. The battery cover comprises: a cover member that has a heat insulating property and encloses a battery mounted on a vehicle; an inlet formed in the cover member to introduce outside air into the cover member of the vehicle; and an outlet formed in the cover member to discharge the outside air introduced into the cover member from the inlet, the cover member includes a ventilation portion that connects the inlet and the outlet, and the ventilation portion is defined by a thin portion of the cover member and a thick portion of the cover member formed thicker than the thin portion.

Abstract: A vehicle rear structure is provided, including a spoiler device disposed at a rear bumper of a vehicle. The spoiler device includes a movable portion and at least one fixed portion. The movable portion is disposed movable between a storage position connected to the rear bumper and an expansion position protruding from the rear bumper toward a rear side of the vehicle. The at least one fixed portion includes a driving component for driving the movable portion to move in a front-rear direction of the vehicle. A gap exists between the movable portion and the rear bumper. An upper surface of a rear side portion of the movable portion has a protrusive portion formed into a protrusive shape protruding toward an upper side of the vehicle, such that the movable portion shields the gap at the storage position.

Abstract: The disclosure provides a vehicle body lower structure. The vehicle body lower structure includes an airflow guiding plate that is arranged on the vehicle body of a vehicle and is movable between a receiving position covering the lower part of the vehicle body and a deploying position protruding downward. The vehicle body lower structure further includes: a shaft member, which extends in the left-right direction of the vehicle, thereby rotatably connecting the front end of the airflow guiding plate to the vehicle body; a belt member, one end of which is connected to the airflow guiding plate and the other end thereof is connected the vehicle body; and an actuator, which is used to wind the belt member. In addition, the belt member is bent when the airflow guiding plate moves from the deploying position to the receiving position.

Abstract: The disclosure provides a vehicle body lower structure, which can improve aerodynamic performance and improve driving stability. The vehicle body lower structure includes an airflow guiding plate that is arranged on the vehicle body of a vehicle and is movable between a receiving position covering the lower part of the vehicle body and a deploying position protruding downward. The airflow guiding plate includes a first airflow guiding plate and a second airflow guiding plate. The first airflow guiding plate is arranged in front of the left and right front wheels of the vehicle, and the second airflow guiding plate is arranged under the center of the vehicle body. Moreover, the protruding amount of the first airflow guiding plate is different from the protruding amount of the second airflow guiding plate in the deploying position.

Abstract: The disclosure provides a vehicle body lower structure, which may improve aerodynamic performance and inhibit the airflow guiding plate from being over-expanded or detached. The vehicle body lower structure includes an airflow guiding plate that is arranged on the vehicle body of a vehicle and is movable between a receiving position covering the lower part of the vehicle body and a deploying position protruding downward. The vehicle body lower structure further includes: a hook member, which is provided on the upper surface of the airflow guiding plate. When the airflow guiding plate is in the deploying position, the hook member is locked onto the buckle part of the vehicle body. When the airflow guiding plate is located at the receiving position, the hook member is separated from the buckle part of the vehicle body.