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Diaphragm type respiratory flow rhythm control air valve

A technology of breathing flow and air valve control, applied in respirator and other directions, can solve the problems of uncontrollable air flow and air valve application, etc., to achieve the effect of low noise, ingenious structure and reduced friction

Inactive Publication Date: 2012-06-20
于邦仲
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing air valve usually needs to manually adjust the valve core to realize the on-off of the air flow, and the flow rate of the air flow cannot be controlled
In the medical ventilator, it is necessary to realize the on-off of the electronically controlled air flow and the size control of the air flow at any time according to the patient's condition. The existing air valve cannot be used in the medical ventilator. The air valve that automatically realizes the on-off of the air flow and can control the flow of the air flow has become a problem to be solved

Method used

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  • Diaphragm type respiratory flow rhythm control air valve
  • Diaphragm type respiratory flow rhythm control air valve
  • Diaphragm type respiratory flow rhythm control air valve

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Embodiment Construction

[0020] like Figure 1-8 Shown, a breathing flow rhythm control air valve of the present invention includes: a valve body 10 with an air chamber 11, a valve core 20 is installed in the air chamber 11, a valve cover 30 is arranged on the top of the valve body 10, the valve The cover 30 is provided with a screw mechanism 40 for adjusting the stroke size of the spool 20 up and down. The top post 41 below the screw mechanism 40 corresponds to the top of the spool 20, and a spring is connected between the spool 30 and the spool 20. 50; the spool 20 is composed of a spool head 21, a spool body 22 and a spool bottom 23, and an elastic diaphragm 61 and a gasket 61a are sequentially placed on the top surface of the spool head 21, and the edges of the elastic diaphragm 61 are clipped It is fixed between the bonnet 30 and the valve body 10, and the diaphragm screw 61b passes through the gasket 61a and the elastic diaphragm 61 from top to bottom and is fastened in the center hole of the va...

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Abstract

The invention relates to a diaphragm type respiratory flow rhythm control air valve, which can be switched on or off in an electronic control manner and can adjust air flow. A two-position three-way electromagnetic valve is connected with a valve body to realize on and off of the electronic control air valve, by the aid of a steel ball and a linear reversely conical cavity in the air valve, the size of a ventilating gap is increased linearly, the distance between a top post and a valve spool is controlled via a spiral mechanism, and control adjustment of the air flow is realized. After the structure is adopted, the diaphragm type respiratory flow rhythm control air valve has the advantages that the diaphragm type respiratory flow rhythm control air valve is smart in structure, the valve spool is high in movement precision and low in noise, the air valve can be switched on or off in the electronic control manner, the air flow can be adjusted, and the diaphragm type respiratory flow rhythm control air valve is suitable to be applied into medical breathing machine equipment.

Description

technical field [0001] The invention relates to the technical field of an air valve device in a medical ventilator, in particular to a diaphragm-type breathing flow rhythm control air valve which can be switched on and off by electric control and can adjust the flow rate of the airflow. Background technique [0002] At present, the existing air valve has a relatively simple structure, which realizes the on-off of the air flow by moving the valve core up and down. However, the existing air valve usually needs to manually adjust the valve core to realize the on-off of the air flow, and the flow rate of the air flow cannot be controlled. In the medical ventilator, it is necessary to realize the on-off of the electronically controlled airflow and the size control of the airflow at any time according to the patient's condition. The existing air valve cannot be used in the medical ventilator. In view of this, how to design a Controlling the on-off of the air-flow automatically an...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61M16/20
Inventor 陈炜静成其新于邦仲
Owner 于邦仲
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