PURPOSE:To constitute the pump so that a liquid which leaks to the outside from a liquid outlet and goes along the outside surface of a liquid transport tube and drops does not intrude into a pump housing by providing a tube detaining part in a necessary position of a pump body so that the downstream side of the tube detaining part of the liquid transport tube is formed like an upward projecting curvature and can be led into the pump body. CONSTITUTION:The pump is constituted so that a tube detaining part 12 is provided in a necessary position of a pump body so that the downstream side of a tube detaining part of a liquid transport tube T is formed like an upward projecting curvature and can be led into a pump body 1. Accordingly, the liquid transport tube for transporting a liquid of a chemical bottle B is detained by the tube detaining part, curved like a downward projecting arc in the upper face of the pump body 1, and subsequently, the downstream part of the tube is curved like an upward projecting arc in the part being near the front of the upper face of the pump body 1, and thereafter, led into the pump body 1, therefore, a liquid which goes along the outside surface of the liquid transport tube T and drops down goes along and drops down so as to separate from the outside surface of the tube by the tube detaining part 12 placed in a position separated from the front of the pump, and it is not feared at all that its liquid intrudes into the pump body 1.
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