Take-up box

The invention relates to the field of automobile seats, and particularly discloses a take-up box which comprises a storage seat and a tank chain, a storage cavity used for storing the tank chain is formed in the storage seat, one end of the tank chain is fixed in the storage cavity, a wire outlet is formed in one side of the storage seat, and the tank chain is composed of a plurality of wire harness fixing supports which are mutually hinged and matched. A wire penetrating cavity used for allowing a cable to penetrate through is formed in the wire harness fixing support, a plurality of limiting shafts are arranged on the side wall of the tank chain, limiting sliding grooves in sliding fit with the limiting shafts are formed in the inner wall of the containing cavity, and the limiting sliding grooves communicate with the wire outlet. The tank chain collecting device has the effects that the length of the tank chain during collecting is reduced, and the space utilization rate of the collecting device is increase