Rapid oxygen supply valve
An oxygen supply and fast technology, applied in the direction of respirator, etc., can solve the problems of easy aging, air leakage, noise and other problems of the sealing ring, and achieve the effect of improving the service life and good sealing effect.
Active Publication Date: 2017-06-20
BEIJING AEONMED
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Problems solved by technology
[0004] The purpose of the present invention is to solve the technical problem of air leakage caused by the aging of the sealing ring of the existing rapid oxygen supply valve, or the technical problem of noise during operation. The present invention proposes a rapid oxygen supply valve. The structure of the oxygen supply valve is simple, easy to process, easy to assemble, durable and noiseless
Method used
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Embodiment Construction
[0033] A quick oxygen supply valve according to the present invention will be described in detail below with reference to the drawings and embodiments.
[0034] A quick oxygen supply valve of the present invention, said quick oxygen supply valve has a three-way structure, wherein two coaxial ports are respectively provided with an air inlet joint and a valve body, and the other port is provided with an air outlet joint; The air inlet joint is provided with an air resistance mechanism at one end close to the valve body, and the air resistance mechanism blocks the air path between the air intake joint and the air outlet joint when no external force is applied; the valve body is provided with a pressure The transmission mechanism squeezes the air resistance mechanism by driving the pressure transmission mechanism, so that the air resistance mechanism is connected to the air path between the inlet joint and the air outlet joint after being subjected to an external force;
[0035] ...
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The invention provides a rapid oxygen supply valve which is of a three-way structure, wherein an air inlet connector (1) and a valve body are respectively arranged at two ports which are coaxially arranged; an air outlet connector (17) is arranged at another port; an air-resistor mechanism is arranged at one end close to the valve body, of the air inlet connector (1); an air path between the air inlet connector (1) and the air outlet connector (17) is cut off when the air-resistor mechanism is not subjected to action of external force, and the air path between the air inlet connector (1) and the air outlet connector (17) is connected when the air-resistor mechanism is subjected to the action of the external force; a pressure transmission mechanism is sleeved by a sealing ring (7), and the sealing ring (7) is used for sealing a gap between the pressure transmission mechanism and the valve body. With the combination of plastic and a U-shaped elastic piece with elasticity as the sealing ring, the rapid oxygen supply valve has a good sealing effect, and in addition the service life of the rapid oxygen supply valve is prolonged.
Description
technical field [0001] The invention relates to the technical field of valves, in particular to a rapid oxygen supply valve. Background technique [0002] The rapid oxygen supply valve is an important part of the anesthesia machine. It is used for the operator to directly send oxygen with a concentration of 100% and a stable flow rate between 25L / min and 75L / min to the fresh gas outlet or the inlet of the anesthesia ventilation system. When the operation requires it, it can quickly provide a certain flow of oxygen to the patient, and quickly cut off the oxygen supply when the patient does not need it. [0003] In the current technology, the rapid oxygen supply valves used in anesthesia machines are in various forms, including plastic mold parts or metal parts. Usually, according to the part structure of the fixed rapid oxygen supply valve of the anesthesia machine, a suitable rapid oxygen supply valve form is adopted. In the actual clinical use of the anesthesia machine, w...
Claims
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Login to View More IPC IPC(8): A61M16/20
CPCA61M16/20
Inventor 吴金花
Owner BEIJING AEONMED