By-pass valve and anesthesia machine with same
A bypass valve and valve core technology, applied in the field of anesthesia machines, can solve the problems of poor closing consistency, time-consuming and laborious installation, complex structure of the bypass valve, etc., and achieve the effects of reliable performance, reduced quantity and simple structure.
Active Publication Date: 2014-12-24
BEIJING AEONMED
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Problems solved by technology
[0002] The BY-PASS valve (bypass valve) of the existing anesthesia machine has a spool composed of two or more parts, and there are many parts, which not only leads to a complicated structure of the bypass valve, time-consuming and laborious installation, but also Poor closure consistency
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[0023] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.
[0024] In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", " The orientations or positional relationships indicated by "vertical", "horizontal", "top", "bottom", "inner" and "outer" are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and Simplified descriptions, rather than indicating or implying that the device or element refe...
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The invention discloses a by-pass valve and an anesthesia machine with the by-pass valve. The by-pass valve comprises a valve body, a valve element and an reset elastic piece, wherein the valve body is provided with a gas inlet, a gas outlet and a gas return port, a first gas channel, a second gas channel and a third gas channel are formed in the valve body, the first gas channel is communicated with the gas inlet and the gas outlet, the second gas channel is communicated with the gas return port and the gas outlet, the third gas channel is communicated with the gas inlet and the gas return port, the valve element is of an integrated structure, the valve element is movably arranged in the valve body and located between an opening position and a closing position, when located at the opening position, the valve element closes the first gas channel and opens the second gas channel and the third gas channel, when located at the closing position, the valve element opens the first gas channel and closes the second gas channel and the third gas channel, the reset elastic piece is used for pushing the valve element to the closing position, and the reset elastic piece is arranged in the valve body and is connected with the valve body and the valve element. The by-pass valve has the advantages of being simple in structure, convenient to install, high in closing consistency and the like.
Description
technical field [0001] The invention relates to the field of medical equipment, in particular to a bypass valve and an anesthesia machine with the bypass valve. Background technique [0002] The BY-PASS valve (bypass valve) of the existing anesthesia machine has a spool composed of two or more parts, and there are many parts, which not only leads to a complicated structure of the bypass valve, time-consuming and laborious installation, but also Closure consistency is poor. Contents of the invention [0003] The present invention aims to solve at least one of the technical problems existing in the prior art. Therefore, an object of the present invention is to provide a bypass valve with simple structure, convenient installation and good closing consistency. [0004] Another object of the present invention is to propose an anesthesia machine with said bypass valve. [0005] In order to achieve the above object, the first aspect of the present invention proposes a bypass v...
Claims
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Inventor 魏巍
Owner BEIJING AEONMED