Liquid delivery pump with protection mechanism

The utility model discloses a liquid delivery pump with a protection mechanism. The liquid delivery pump comprises a liquid inlet, an arc-shaped head is arranged at the liquid inlet end of the liquid inlet, and a slope block capable of guiding impurities in liquid is arranged on the surface of the arc-shaped head; blades capable of generating vibration during rotation are arranged on the inclined surface block in a circumferential array mode, a plurality of filtering holes are formed in the surfaces of the arc-shaped head and the inclined surface block in a circumferential array mode, the whole device can guide and discharge large impurities, under the condition that the extraction amount is not reduced, the large impurities are guided, and the extraction efficiency is improved. Therefore, the service life of the liquid delivery pump is prolonged, and the whole device can be widely applied to liquid delivery pumps. 本实用新型公开了一种带有防护机构的液体输送泵，包括进液口；所述进液口进液端设置有弧形头，所述弧形头表面设置有能引导液体中杂质的斜面块；所述斜面块上呈圆周阵列设置有在转动时能产生振动的桨叶，所