End face peristaltic pump

Abstract

The invention relates to the field of end face peristaltic pumps, and aims to provide a peristaltic pump with low energy consumption, small pulsation, low loss, high precision and good stability. The technical solution adopted is: the end-face peristaltic pump includes a fixed part, a rotating part and a pump tube, the rotating part and the fixed part are coaxially arranged in a cylindrical shape, the center is provided with a drive shaft installation hole, and the rotating part is installed around the rotating shaft The hole is provided with a plurality of concentric annular grooves, and the upper end of the annular groove is provided with a ball accommodating groove, and the ball accommodating groove is provided with balls; The pump tube connectors on the end face are connected. The invention is convenient for panel installation and replacement and maintenance of pump pipes. In addition, the extrusion structure of the pump tube adopts the design of balls and arc-shaped grooves, which greatly reduces the energy loss during the rotation of the pump body, contributes to the miniaturization of the peristaltic pump, reduces the wear of the pump tube, and effectively improves the low pressure. The pulsation problem under the speed condition improves the stability of liquid transmission.

Description

technical field [0001] The invention relates to a pump for conveying fluid, in particular to a peristaltic pump. Background technique [0002] Peristaltic pump is a commonly used fluid delivery device. Its principle is to deliver fluid by alternately squeezing and releasing the elastic delivery hose. It has the advantages of no pollution, high precision, low shear force, good sealing, and simple maintenance. . At present, the peristaltic pump basically adopts the side extrusion type, that is, the pump tube is squeezed by multiple rollers placed in the same direction around the rotation to drive the fluid delivery. Therefore, the installation direction of the pump tubes is located in the vertical direction of the rotation axis. [0003] In the field of multi-channel applications, traditional peristaltic pumps can only achieve multi-channel fluid delivery by stacking along the rotation axis. At this time, the pump tubes installed longitudinally overlapping at the same positi...

AI Technical Summary

Problems solved by technology

[0003] In the field of multi-channel applications, traditional peristaltic pumps can only achieve multi-channel fluid delivery by stacking along the rotation axis. At this time, the pump tubes installed vertically overlapping at the same position are not easy to identify and maintain

The use of multiple channels also increases the length of the peristaltic pump in the axial direction. If the rotating shaft and the extension end are too long, it is easy to vibrate and cause damage to the driver. Therefore, additional fixing devices are required.

In addition, in some areas of equipment integration, peristaltic pumps are often installed on panels, and the pump heads of multi-channel peristaltic pumps are too long, which is not conducive to installation, carrying, use and maintenance, and at the same time causes waste of equipment space

Images