High -pressure infusion pump

• Main Author: ZHANG ZHIYAO
• Format: Patent
• Language: Chinese; English
• Published: 01.05.2018
• Subjects: CONTROLLING; INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES; MEASURING; PHYSICS; REGULATING; SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES; TESTING

The utility model provides a high -pressure infusion pump for the liquid chromatogram analysis, including pressure sensor and atmospheric valve, the atmospheric valve includes atmospheric valve knob assembly and atmospheric valve main part, and the atmospheric valve main part is both ends opening integrated into one piece's hollow mechanism, the atmospheric valve main part is with atmospheric valve knob assembly and pressure sensor butt joint. The utility model discloses an integral structure of pressure sensor and atmospheric valve reduces the hysteresis volume on high -pressure infusion pump's whole volume, connecting line and liquid way, has promoted detection effect and detection speed, convenient operation. 本实用新型提供种高压输液泵，用于液相色谱分析，包括压力传感器和放空阀，放空阀包括放空阀旋钮组件和放空阀主体，放空阀主体为两端开口体成型的中空机构；放空阀主体将放空阀旋钮组件与压力传感器对接。本实用新型通过压力传感器与放空阀的体化结构，减少高压输液泵的整体体积、连接管路和液路的滞后体积，提升了检测效果和检测速度，方便操作。