Air filter

Abstract

The invention discloses an air filter. The air filter comprises a covering cap, an inner support, a filter material, an inner pressing ring, an outer pressing ring and an oil collection plate. The covering cap is of an inverted cup body structure. The inner support is fixed in the covering cap, so that an air cavity is formed above the inner support. The filter material is an annular body and is arranged under the inner support and located in the covering cap. The inner side and the outer side of the bottom face of the filter material are supported by the inner pressing ring and the outer pressing ring. An air channel between the rings is formed between the inner pressing ring and the outer pressing ring. The oil collection plate is mounted under the covering cap and provided with an oil collection cavity and a central air channel. The inner diameter of an inner ring body and the inner diameter of the inner pressing ring are the same, so that a central channel is formed in the centers of the inner ring body, the filter material and the inner pressing ring. The diameter of the central air channel is larger than the inner diameter of the inner pressing ring. Foamy copper serves as the filter material.

Description

technical field [0001] The present invention relates to air cleaners, and more particularly to air cleaners for gearboxes. Background technique [0002] Air filters are used to remove particulate impurities from the air. In mechanical equipment, when the mechanical piston moves, suction is generated to draw air into the mechanical equipment. Failure to filter the inhaled air can lead to wear and tear on mechanical equipment due to particulate impurities in the air. In the gearbox, the suction force generated by the gear running is not very strong, but the heat generated by the friction of the gear running continuously will cause the lubricating oil to volatilize. The volatilized lubricating oil entering the air can cause air pollution. For this reason, an air filter needs to be installed on the gearbox to filter the volatilized and cooled lubricating oil. There are some problems in the existing air filter used on the gearbox: first, the lubricating oil after volatilizatio...

AI Technical Summary

Problems solved by technology

[0003] The problem to be solved by the present invention: the problems existing in the air filter used on the existing gear box include: the lubricating oil after volatilization and cooling is easy to block the filter material of the air filter; the filtered lubricating oil is easy to flow all over the floor Yes, it pollutes the environment; the amount of lubricating oil filtered out is often large, and if it is discarded casually, it will lead to waste

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