Method for improving gas pump capable of stopping gas molecule leakage in operation
A technology of leaking gas and air pump, which is applied to pump components, variable-capacity pump components, and liquid-variable-capacity machinery, etc., can solve the problem of gas leakage at the shaft seal, and achieve the effect of easy maintenance.
Inactive Publication Date: 2012-12-26
CHINA JILIANG UNIV
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Problems solved by technology
[0002] At present, various air pumps with different sizes, specifications and models are widely used and mature power equipment. The disadvantage is that the shaft seal is the most likely to leak the gas inside during operation.
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Embodiment Construction
[0019] The structure of the present invention is not very complicated, and its manufacturing difficulty is not high, and its key lies in: on the structural basis of the conventional and common existing air pump 7 and its driving motor, an increase of a three-dimensional form surrounds the former two metal The airtight isolation shield 5 and related supporting technical measures can realize to various extents to prevent the gas leakage during the operation of the present invention, and even finally realize the possibility of preventing gas molecules from leaking from the present invention.
[0020] The wall thickness of the metal-sealed isolation shield 5 among the present invention is not equal, and the metal-sealed isolation shield 5 part between the motor rotor 2 and the motor stator 1 should adopt as thin as possible a rigid non-magnetic metal material. For example, a stainless steel or brass plate of about 0.2 mm can be used to act; the wall thickness of the metal sealing i...
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The invention discloses a method for improving a gas pump capable of stopping gas molecule leakage in operation. A typical model of the gas pump is provided with a metal seal isolation shield (5) which is used for three-dimensionally surrounding the gas pump (7) and a dragging motor thereof on the basis of the structural style of the existing conventional and ordinary gas pump (7); besides, the pipe wall of the pipe section of a gas inlet pipe in an inner cavity of the isolation shield (5) is provided with a hole (K), or, on that basis, the problem of sealed structure processing of edge joints and pipe connections of the gas pump is solved through a welding process. The top grade form of the improvement is that the problem of stopping leakage can be solved according to the magnitude level of stopping the gas molecule leakage of the structure. The key design concept depends on the following implementations that: the gas pump (7) is allowed to inevitably leak gas from inside, but structurally, the leaked gas is not allowed to possibly enter the air space continuously. The method is high in 'performance price ratio', and the use category of the method is obvious.
Description
technical field [0001] The invention relates to the sealing technology of an air pump device, in particular to the sealing technology of an air pump device capable of preventing leakage of gas molecules during operation. Background technique [0002] At present, various air pumps with different sizes, specifications and models are widely used and mature power equipment. Their disadvantage is that the shaft seal is the most likely to leak the gas inside during operation. If the leaked gas is cheap air, it will not hurt the stomach at all. If the leaked gas is expensive or highly toxic gas, it is another matter. ——Reducing the above-mentioned leakage problem of the air pump structurally as much as possible has been a big subject that people have been studying and trying to solve constantly. Contents of the invention [0003] Purpose of the present invention: [0004] It is to achieve different degrees of technical solutions for preventing leakage of the air pump structure ...
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IPC IPC(8): F04B39/00
Inventor 梁嘉麟
Owner CHINA JILIANG UNIV