Supporting frame used for installing one-way diaphragm in breathing valve

Abstract

The invention provides a supporting frame used for installing a one-way diaphragm in a breathing valve. The supporting frame (8) is arranged on the radial cross section of a gas inlet channel (3) in the breathing valve and is of an integrated structure with the gas inlet channel (3); an installing hole (801) for the one-way diaphragm (2) to be installed is formed in the center of the supporting frame (8); and a plurality of gas holes (802) are distributed in the edge of the installing hole (801) in the circumferential direction. The supporting frame and a valve body of the breathing valve are designed into an integrated structure, and therefore fixing parts needed for an existing support are simplified, the internal structure of the breathing valve is more compact, and the risk that the support falls out is avoided.

Description

technical field [0001] The invention relates to the technical field of breathing valves, in particular to a support frame for installing a one-way diaphragm in a breathing valve. Background technique [0002] Such as figure 1 As shown, in the existing breathing valve, a one-way diaphragm 2 is usually installed at the end of the air intake channel to prevent the patient’s exhaled gas from backflowing and contaminating the machine. Since the breathing valve is small in size, in order to facilitate the installation of the one-way diaphragm 2, Usually a bracket 1 is provided separately, and the one-way diaphragm 2 is installed on the bracket 1 externally, specifically, the tapered small end 201 provided on the one-way diaphragm 2 is inserted into the mounting hole 101 in the center of the bracket 1, and then Squeeze forcefully until the tapered large end 202 provided on the one-way diaphragm 2 also passes through the installation hole 101 , and then push the bracket 1 along the...

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a convenient support for the installation of the one-way diaphragm in the breathing valve in order to solve the technical problem that the one-way diaphragm in the breathing valve is installed on the existing bracket, resulting in inconvenient replacement of the diaphragm. The support frame and the valve body are designed as an integrated structure. The support frame not only facilitates the installation of the one-way diaphragm, but also reduces an independent bracket part, making the internal structure of the breathing valve more compact and eliminating the need for brackets to fall off. out of risk

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