A connector for a peristaltic pump

Abstract

The invention discloses a joint for a peristaltic pump. The joint comprises a joint body, a sleeve and a sealing cap. A flexible tube of the peristaltic pump is mounted at one end of the joint body, and an internally conical mounting nozzle is arranged at the other end of the joint body; the sleeve is provided with a through hole and an externally conical mounting surface, the through hole is matched with a pipeline, and a vertex angle of the externally conical mounting surface is larger than a vertex angle of the internally conical mounting nozzle; and the sealing cap is matched with the other end of the joint body, so that the mounting surface of the sleeve is matched with the mounting nozzle of the joint body. An end of the pipeline is matched with the through hole of the sleeve, and the mounting surface of the sleeve is matched with the mounting nozzle of the joint body by the end of the pipeline, so that the sealing cap is matched with the other end of the joint body. When mounted, the sealing cap squeezes the sleeve, the mounting surface of the sleeve and the mounting nozzle can squeeze each other, the mounting nozzle can squeeze the sleeve to clamp the pipeline due to the fact that the vertex angle of the externally conical mounting surface is larger than the vertex angle of the internally conical mounting nozzle, so that a good sealing effect is realized, the peristaltic pump keeps sealed effectively, and operational reliability of the peristaltic pump is improved.

Description

technical field [0001] The invention relates to the field of displacement pumps, in particular to a joint for peristaltic pumps. Background technique [0002] In the gas pretreatment analysis system, if the sample gas contains a lot of water vapor, directly entering the precision analyzer will affect the service life of the analyzer, and cause damage to the analyzer in the long run, thus affecting the gas analysis effect. Moisture entering the analyzer will lead to inaccurate measurement, and excessive moisture entering may even cause damage to photoelectric components, which will cause high maintenance costs for the analyzer. The gas drying before the gas enters the analyzer is still an indispensable and important link, and the drainage after the gas drying is usually performed by a peristaltic pump. [0003] Please refer to figure 1 and figure 2 , figure 1 It is a schematic diagram of the structure of a typical joint used in a peristaltic pump, figure 2 for figure ...

AI Technical Summary

Problems solved by technology

[0005] One end of the joint 1' is connected to the flexible pipe, and the other end is connected to the pipeline 4' through the hose 2'. In order to make the connection reliable, the hose 2' and the pipeline 4' are usually clamped by the spring clip 3'. However, in During the working process of the peristaltic pump, the spring clip 3' can easily cause the hose 2' to leak, so that the peristaltic pump cannot work reliably, and the hose 2' needs to be replaced frequently. The operation process of replacing the hose 2' is cumbersome, which affects the performance of the peristaltic pump. Work

Images