Pump shell assembly and peristaltic pump

The utility model relates to the technical field of liquid delivery, in particular to a pump shell assembly and a peristaltic pump, which comprises a pump body, a first conical surface, a second conical surface, a first connecting rod, a second connecting rod and a second connecting rod, and is characterized in that the pump body is provided with a containing groove; the pump cover is used for sealing and covering the groove opening of the containing groove, and the pump cover is provided with a positioning boss inserted into the groove opening; and the circumferential surface of the positioning boss is a second conical surface matched with the first conical surface. According to the pump shell assembly and the peristaltic pump, the coaxiality after the pump body and the pump cover are assembled can be effectively improved. 本实用新型涉及液体输送技术领域，具体公开一种泵壳组件及蠕动泵，包括：泵体，所述泵体设有容置槽，且所述容置槽的槽口设有第一锥面；泵盖，所述泵盖用于封盖所述容置槽的槽口，且所述泵盖设有插入所述槽口的定位凸台；其中，所述定位凸台的周向面为与所述第一锥面相匹配的第二锥面。本实用新型提供的泵壳组件及蠕动泵，能有效提高泵体和泵盖二者组装后的同轴度。