Screw-mounted filter

Abstract

The invention discloses a screw-mounted filter. The filter includes a filter shell, and a base connected with the filter shell; a filter element is disposed in a cavity of the filter shell; an oil outlet is disposed at the center of the base; the oil outlet is a cylindrical hole with internal threads; an annular boss is further disposed on a mouth orienting outward of the oil outlet; the center ofa lower end cover of the filter element is further provided with an annular cylinder body corresponding to the cylindrical hole; the cylinder body is provided with external threads matching the internal threads of the cylindrical hole; thread grooves are disposed around the base; the thread grooves are connected with a threaded connection plate of the filter shell; and through holes are uniformlydisposed on a disk surface of the base. The filter is in spiral connection with the oil outlet through the cylinder body, is convenient to install and dismount, enables the reliability and convenience of product assembly to be increased, is low in manufacturing cost, and is energy-saving and environmentally friendly.

Description

technical field [0001] The invention relates to the technical field of filters, in particular to a screw-mounted filter. Background technique [0002] At present, the filter produced by the domestic filter industry, the main parts of the internal structure are composed of a filter element, a support spring, and a gasket. The support spring compresses the filter element, and the gasket is sealed with the threaded cover plate. It is very mature, but in the actual assembly process, the waste products formed by the reverse spring and the gasket blocking the oil outlet caused by the assembly deviation of the support spring and the gasket account for about 2% in China and about 4% in foreign countries. Assembly Domestic and foreign generally use manual assembly, and the proficiency of workers is directly related to the reject rate of products. The general practice is to strengthen technical training for workers, but it still cannot prevent the occurrence of this failure phenomenon...

AI Technical Summary

Problems solved by technology

[0002] At present, the filter produced by the domestic filter industry, the main parts of the internal structure are composed of a filter element, a support spring, and a gasket. The support spring compresses the filter element, and the gasket is sealed with the threaded cover plate. It is very mature, but in the actual assembly process, the waste products formed by the reverse spring and the gasket blocking the oil out

Images