Fecha de publicación: 30/09/2022 Fuente: WIPO Wine A liquid taking body of the double-pipeline liquid taking device is in sealing fit with a bottle opening of a bottle body to be subjected to liquid taking, a liquid outlet and a through first cavity are formed in the liquid taking body, and the liquid outlet is communicated with the middle of the first cavity; the valve element penetrates through the first cavity and extends out of the lower end face of the first cavity, an air inlet channel is formed in the valve element, the air inlet channel is provided with a one-way air outlet structure on the lower portion of the valve element, and a liquid outlet channel is formed between the valve element and the bottom of the first cavity; the upper portion of the valve element is connected with the opening portion of the first cavity through a first threaded structure, and the valve element drives the valve element to move in the axial direction when rotating through threaded connection and drives the sealing piece arranged on the valve element to adjust the on-off relation between the liquid outlet channel and the liquid outlet and the opening and closing degree of the communicating channel. According to the liquid taking device, air inlet and liquid outlet can be conducted at the same time, wine outlet can be faster, meanwhile, the flow speed of wine outlet can be further controlled by means of a stepless adjustment mode of threaded connection, and the use experience is improved.