Electromagnetic pilot head of medical blood gas cycler

Abstract

The invention discloses an electromagnetic pilot head of a medical blood gas circulation instrument. The electromagnetic pilot head comprises a base, an end cover and a pilot assembly. An inner sleeve and a piston are arranged in a valve cavity of the base. A piston rod is fixedly connected to the piston. A conical flaring is formed in the end, close to the piston rod, of the inner sleeve. The piston rod is provided with a circular platform face corresponding to the conical flaring. The pilot assembly comprises a pilot base, a magnetism isolation pipe, a fixed iron core and a main movable iron core. A pilot cavity is formed among the base, the pilot base, the magnetism isolation pipe and the fixed iron core. An auxiliary movable iron core is movably arranged in the main movable iron core. A bypass hole communicating with the pilot cavity is formed in the side wall of the bottom of the main movable iron core. An auxiliary movable iron core sealing pad in sealing fit with the bypass hole is arranged at the bottom of the auxiliary movable iron core. The magnetism isolation pipe is sleeved with a main coil assembly and an auxiliary coil assembly. The electromagnetic pilot head is simple and reasonable in structure and convenient to operate, the output flow of medical fluid can be conveniently controlled and adjusted, functions are diverse, and the actual using requirement can be effectively met.

Description

technical field [0001] The invention relates to the technical field of a medical blood gas cycler, in particular to an electromagnetic pilot head of a medical blood gas cycler. Background technique [0002] The medical blood gas cycler is a medical device used in the operating room. In medical blood gas circulators, it is often necessary to use an electromagnetic pilot to control the flow of medical fluid. In the actual work process, it is often necessary not only to conduct or cut off the medical fluid, but also to control and adjust the output flow of the medical fluid in real time, and the existing electromagnetic pilot head can only control the conduction or blockage of the fluid channel. The role of the function makes the function relatively single, resulting in relatively large limitations in use, and cannot meet actual use needs. Contents of the invention [0003] The object of the present invention is to aim at the defects and deficiencies of the prior art, and p...

AI Technical Summary

Problems solved by technology

In the actual work process, it is often necessary not only to conduct or cut off the medical fluid, but also to control and adjust the output flow of the medical fluid in real time, and the existing electromagnetic pilot head can only control the conduction or blockage of the fluid channel. The role of the function makes the function relatively single, resulting in large limitations in use, and cannot meet the actual use needs

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