Inside-admission outside-exit type engine oil filter

Abstract

The invention provides an inside-admission outside-exit type engine oil filter, comprising a filtering grid frame, a filter grid, a sealing ring, an cavity for oil to be filtered. The filtering grid frame comprises a fixed installation board, a front positioning sealing structure, an axial direction connection stripe, radial connection rings, and a rear positioning sealing structure. The axial connection stripe is disposed between the front positioning sealing structure and the rear positioning sealing structure. The redial connection rings are spacingly distributed along the axial direction of the axial connection stripe. The outer diameter of the distribution round of the axial connection stripes is smaller than the outer circle of the front positioning sealing structure and the rear positioning sealing structure. The filter grid is fixed onto the inner cavity surface of the filter grid frame, and the cavity of oil to be filtered is formed. A guidance taper surface, a sealing slot, and a positioning shaft diameter is provided on the front positioning sealing structure and the rear positioning sealing structure, the sealing ring is installed into the sealing slot. The sealing ring may be installed on the gear chamber cover, making filtering area bigger, thus cleanness and reliability of the enforced lubrication is ensured.

Description

technical field [0001] The invention relates to a forced lubricated single-cylinder diesel engine, in particular to an oil filter for the forced lubricated single-cylinder diesel engine. Background technique [0002] On the single-cylinder diesel engine with forced lubrication, the oil pump is designed to be installed on the gear chamber cover, and its installation position is adjacent to the installation hole of the starting shaft. The active starting gear in the starting shaft part meshes with the driven starting gear installed on the camshaft. , the oil pump is driven by the end face of the camshaft. When the diesel engine is working normally, the oil in the body is sucked by the oil pump from the oil suction hole on the gear chamber cover through the oil passage on the body, and then from the oil outlet hole of the oil pump through the vertical The straight outlet oil passage and the horizontal oil outlet passage are sent to the predetermined lubricating place of the die...

AI Technical Summary

Problems solved by technology

In this way, although the diesel engine has a better forced lubrication effect, since this external oil filter adopts the filtering scheme of outside in and inside out, and only relies on the end face of the barrel-shaped end face filter element to filter, the filter performance when newly installed Better, the filter screen is easy to clog over time, which will directly affect its filtering performance. The service life is not long, and it must be disassembled and cleaned regularly, which improves the technical requirements for the use and maintenance of diesel engines. At the same time, this external oil filter is a It is installed and fixed on the diesel engine by fasteners. Due to the large vibration of the diesel engine during use, the external oil filter often causes the fasteners to loosen or fall off due to vibration, and oil will also leak at the connection of the two external pressure oil pipes. , it is difficult to ensure the normal use of the forced lubrication system of the diesel engine for a long time

This kind of forced lubrication improvement plan not only needs to add an oil filter, but also needs to add two pressure oil pipes, and the cost of each diesel engine will increase by 20 to 25 yuan, which is difficult for users to accept.

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