Liquid pump head for bottle

The utility model relates to the technical field of pump heads, and provides a bottle liquid pump head which comprises a liquid storage pipe, a piston piece, a spring and a partition part, the piston piece slides in the liquid storage pipe in the vertical direction, the partition part is arranged on the piston piece in a sleeving mode and divides the liquid storage pipe into a first cavity and a second cavity, the first cavity is located above the second cavity, the spring is located in the first cavity, and the spring is located in the second cavity. The spring is vertically arranged, one end of the spring abuts against the piston piece, and an air hole is formed in the side wall of the liquid storage pipe and located in the first cavity. The spring has the effect of reducing the influence of liquid corrosion on the spring. 本申请涉及泵头技术领域，提供了一种瓶用液体泵头,其包括储液管、活塞件、弹簧和分隔部，活塞件沿竖直方向滑移在储液管内，分隔部套设在活塞件上且将储液管分隔成第一腔和第二腔，第一腔位于第二腔的上方，弹簧位于第一腔内，弹簧竖直设置且其中一端抵接在活塞件上，储液管的侧壁上开设有气孔，气孔位于第一腔上。本申请具有减少弹簧受到液体腐蚀的影响的效果。