Abstract: A patting bag structure, which is furled when an external force is applied thereto, includes a bag body and at least one elastic furling element. The bag body includes an opening, a patting portion and a housing portion, wherein the patting portion is connected to the housing portion, and the opening is connected to the housing portion by the patting portion. The at least one elastic furling element is disposed on the patting portion of the bag body, wherein the at least one elastic furling element is furled when the external force is applied thereto, and the patting portion is furled together with the elastic furling element so as to disconnect the opening from the housing portion.

Abstract: A pet feeding device includes an accommodating body, a cover, a pivoting assembly and a counterweight. The accommodating body has an accommodating space. The cover is pivotally connected to the accommodating body and to close or open the accommodating space. The pivoting assembly is connected to the accommodating body and the cover and for pivotally connecting the cover on the accommodating body. The counterweight is separately connected to the accommodating body and includes a swinging end and a positioning end. The swinging end has a curved surface and is disposed on one end of the counterweight. The positioning end is disposed on the other end of the counterweight. When the swinging end of the counterweight contacts a ground, the pet feeding device is in a rolling state, and when the positioning end of the counterweight contacts the ground, the pet feeding device is in a positioning state.

Abstract: A pet feeding device includes an accommodating body, a cover, a pivoting assembly and a counterweight. The accommodating body has an accommodating space. The cover is pivotally connected to the accommodating body and to close or open the accommodating space. The pivoting assembly is connected to the accommodating body and the cover and for pivotally connecting the cover on the accommodating body. The counterweight is separately connected to the accommodating body and includes a swinging end and a positioning end. The swinging end has a curved surface and is disposed on one end of the counterweight. The positioning end is disposed on the other end of the counterweight. When the swinging end of the counterweight contacts a ground, the pet feeding device is in a rolling state, and when the positioning end of the counterweight contacts the ground, the pet feeding device is in a positioning state.

Abstract: A patting bag structure, which is furled when an external force is applied thereto, includes a bag body and at least one elastic furling element. The bag body includes an opening, a patting portion and a housing portion, wherein the patting portion is connected to the housing portion, and the opening is connected to the housing portion by the patting portion. The at least one elastic furling element is disposed on the patting portion of the bag body, wherein the at least one elastic furling element is furled when the external force is applied thereto, and the patting portion is furled together with the elastic furling element so as to disconnect the opening from the housing portion.