Air vibration generating mechanism for sputum elimination airbag vests

Abstract

The invention discloses an air vibration generating mechanism for sputum elimination airbag vests, belonging to the technical field of medical equipment. The air vibration generating mechanism comprises a motor base, a piston pump motor, an eccentric disc and a connecting bar, wherein the motor base is composed of a baseplate, a motor fixing plate and a strengthening plate; the piston pump motor is fixed at one side of the motor fixing plate, with the back to the baseplate; the eccentric disc is fixed on a piston pump motor shaft; an eccentric shaft is fixed on the eccentric disc; one end of the connecting bar is connected with the eccentric shaft, and the other end of the connecting bar is connected with one end of a piston; the other end of the piston is coordinated with the cavity wall of a piston cylinder; the piston cylinder is fixed on the baseplate; air inlet and outlet valve ports are arranged on the wall body of the piston cylinder; an air inlet valve is arranged on the air inlet valve port; an air outlet valve is arranged on the air outlet valve port; an air inlet pipe joint is fixed at one side of the wall body, with the back to the piston cylinder cavity; and an air outlet pipe is connected at a position corresponding to the air outlet valve port. The air vibration generating mechanism has the advantages of simplifying the structure so as to provide convenience for manufacturing, assembling and maintenance and guarantee the stable and steady effects of the air vibration action, increasing the work efficiency, saving the power consumption and satisfying the requirements of industrial large scale production.

Description

technical field [0001] The invention belongs to the technical field of medical devices, and specifically relates to a gas vibration generating mechanism for a phlegm-expelling airbag vest, which provides oscillating gas for the phlegm-expelling airbag vest, and is suitable for clinical or home care in medical institutions to help patients expel phlegm. Background technique [0002] With the increase of environmental pollution caused by the development of industry and the acceleration of the aging process of the population, the number of patients with lung diseases is increasing year by year. Since 2001, more than 3 million patients have died of chronic obstructive pulmonary disease in the world every year. The third leading cause of death worldwide. During the course of chronic obstructive pulmonary disease, patients manifest cough, sputum, shortness of breath and / or wheezing, increased sputum volume, purulent or sticky purulent, and even accompanied by inflammation such as ...

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Problems solved by technology

[0009]However, the above-mentioned CN201959186U, CN201959187U and CN201959188U have the following disadvantages. First, the structure is complicated and the stability of the action is difficult to guarantee, because the first and second tympanic membranes pass through the The first and second connecting rods are connected with the first and second eccentric discs, and the first and second eccentric discs are connected with the power shaft of the power machine, so the first and second tympanic discs will appear to be in the same degree as each other after a period of use. Different fatigue situations affect the balance and stability of the air vibration operation; second, the volume is large and the manufacturing and assembly are cumbersome, because the eardrums for the first and second eardrums need to be processed on the corresponding two sides of the shell The disc cavity also needs to be provided with the air inlet and outlet interfaces connected with the air induction mechanism on the top of the shell cavity of the shell, especially because almost all parts are non-standard parts, thus affecting the actual manufacturing and assembly efficiency, and it is difficult to integrate with industrialization. Third, the low working efficiency of the power machine is not conducive to saving power consumption, because part of the compressed air will escape from the air induction mechanism and cannot be fully used for the airbag vest, and it will affect the expectoration effect on patients

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