Filtering mechanism for lubricating oil

By designing a lubricating oil filtration mechanism that includes a main cylinder, a central tube, filter paper, and a check valve, the problems of poor sealing and impurity blockage are solved, achieving stable filtration and efficient discharge of lubricating oil, and improving the filtration efficiency of lubricating oil and the operational reliability of the equipment.

CN224100139UActive Publication Date: 2026-04-10HEBEI ZHONGCHI PETROLEUM TECHNOLOGY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
HEBEI ZHONGCHI PETROLEUM TECHNOLOGY CO LTD
Filing Date
2024-12-20
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

The existing lubricating oil filtration mechanism has poor sealing at the connection of the cover and lacks preliminary filtration, which causes a large number of large particles of impurities to enter the fine filtration section, resulting in premature clogging of the fine filtration element.

Method used

A filtration mechanism was designed, comprising a main cylinder, a central tube, filter paper, a check valve, a funnel, and a filter disc. The funnel initially filters large particles of impurities, while the central tube and filter paper perform fine filtration. The check valve and sealing structure ensure stable inflow and filtration of lubricating oil, and the bypass valve controls the outflow.

Benefits of technology

It achieves stable filtration and efficient discharge of lubricating oil, avoiding problems caused by poor sealing and clogging by impurities, and improving the filtration efficiency of lubricating oil and the operational reliability of equipment.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224100139U_ABST
Patent Text Reader

Abstract

The utility model discloses a filtering mechanism for lubricating oil, which relates to the technical field of lubricating oil filtering and comprises a main cylinder, a central tube is mounted in the main cylinder, a plurality of fine filtering holes are formed in the tube wall of the central tube at equal intervals, filter element paper is sleeved on the outer wall of the central tube, and fixing plates fixedly connected with the central tube are arranged at two ends of the filter element paper. A check valve abuts against the fixing plate, a gland is arranged at the upper end of the main cylinder, a plug pin used for being fixed to the main cylinder is arranged on the gland, and a bottom cover is connected to the bottom of the main cylinder in a screwed mode. Due to the arrangement of the check valve, on one hand, lubricating oil can smoothly flow into the main cylinder from the funnel, and on the other hand, the lubricating oil can be prevented from flowing back; a funnel is inserted into the top of the main cylinder, a check valve is arranged at a funnel socket, a filter disc is mounted in the middle of the funnel, preliminary filtering can be performed through the filter disc, and a large number of large-particle impurities are prevented from directly entering the fine filtering part.
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Description

TECHNICAL FIELD

[0001] The utility model relates to lubricating oil filtering technical field especially relates to a filter mechanism for lubricating oil. BACKGROUND

[0002] With the high -speed development of modern industry, mechanical equipment is towards the direction of high accuracy, high load, high efficiency, under such environment, lubricating oil plays a vital role for guaranteeing the normal operation of mechanical equipment, high -quality lubricating oil can effectively reduce the friction between mechanical parts, wear and tear, reduce the equipment failure rate and maintenance cost, however, lubricating oil inevitably mixes with various impurities in the use process, these impurities can seriously affect the performance of lubricating oil, and further affect the operation of equipment, the existing filter mechanism is poor in the connecting place of the cover, and some filter mechanisms lack preliminary filtration, and a large amount of large particle impurities directly enter the fine filtration part, so that the fine filtration element is blocked early, therefore, the filter mechanism for lubricating oil is designed to solve the above problems. SUMMARY

[0003] The utility model discloses a filter mechanism for lubricating oil which solves the problems in the prior art.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a filter mechanism for lubricating oil, comprising a main cylinder, a center pipe is installed inside the main cylinder, a plurality of fine filter holes are equidistantly arranged on the pipe wall of the center pipe, a filter core paper is sleeved on the outer wall of the center pipe, a fixing plate for fixed connection with the center pipe is arranged at both ends of the filter core paper, a check valve is abutted on the fixing plate, a gland is arranged on the upper end of the main cylinder, and the gland is connected with the main cylinder through clamping.

[0005] Preferably, a funnel is inserted into the top of the main cylinder, a check valve is arranged on the funnel spout, and a filter disc is installed in the middle of the funnel.

[0006] Preferably, two mounting blocks are symmetrically installed on the outer side circumferential wall of the main cylinder, an extension plate fixed by bolts is arranged on each of the two mounting blocks, and a foot column for preventing disengagement is arranged at the extension end of the extension plate.

[0007] Preferably, a rotating shaft is arranged on the extension plate, a clamping plate is rotatably arranged on the rotating shaft, one end of the clamping plate abuts the feeding end of the funnel, and an antiskid pad is arranged on the inner wall of the clamping plate.

[0008] Preferably, a latch for fixing with the main cylinder is arranged on the gland, a sealing washer is arranged at the connection between the gland and the main cylinder, and a bottom cover is connected to the bottom of the main cylinder through screwing.

[0009] Preferably, four support columns are symmetrically arranged at the bottom end of the bottom cover, a discharge pipe is protruded in the middle of the bottom cover, and a bypass valve is arranged on one side of the discharge pipe.

[0010] Compared with the prior art, the utility model has the advantages that: in the utility model, a relatively closed filtering space is formed through the cooperation of the gland and the bolt; larger impurities can be preliminarily filtered through the cooperation of the funnel and the filter disc; the funnel can be prevented from shaking due to external factors through the cooperation of the clamping plates of the telescopic plate, so that the lubricating oil can stably flow into the filtering mechanism; the stability of the filter core paper in the filtering process is ensured through the cooperation of the center tube and the fixed plate; and the lubricating oil filtered can be smoothly discharged through the bypass valve. BRIEF DESCRIPTION OF DRAWINGS

[0011] The accompanying drawings, which are included to provide a further understanding of the utility model, form a part of the application and are incorporated herein to constitute a part of the application, are used to explain the utility model and its specific embodiments, and do not constitute an improper limitation on the utility model. In the drawings:

[0012] Fig. 1 The utility model provides internal structure schematic diagram;

[0013] Fig. 2 The utility model provides whole half cut structure schematic diagram;

[0014] Fig. 3 The utility model provides main cylinder structure schematic diagram.

[0015] In the drawing, serial number: 6, center tube; 7, fixed plate; 8, filter core paper; 9, check valve; 10, gland; 11, filter disc; 12, discharge pipe; 13, bypass valve; 14, support column; 15, foot column. DETAILED DESCRIPTION

[0016] The technical scheme in the utility model embodiments will be clearly and completely described below with reference to the drawings in the utility model embodiments, and apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0017] Embodiment: refer to Figs. 1-3The utility model discloses a filter mechanism for lubricating oil, including main cylinder, install the central tube 6 in the main cylinder, and through the central tube 6, it is convenient to collect the lubricating oil after filtering and guide its efflux, the pipe wall of central tube 6 is equidistant and is provided with several fine filter holes, and the outer wall of central tube 6 is sleeved with filter core paper 8, and through filter core paper 8, it is convenient for the tiny impurity in lubricating oil to filter, and the both ends of filter core paper 8 are equipped with the fixed plate 7 for with central tube 6 fixed connection, and through fixed plate 7, it is convenient to fix filter core paper 8, and the check valve 9 is arranged on the fixed plate 7 and abuts, and through check valve 9, it is convenient to prevent lubricating oil reverse flow, and the gland 10 is equipped on the main cylinder upper end, and through the gland 10, it is convenient to guarantee the sealing property in the main cylinder, and the bolt is equipped on the gland 10 for with the main cylinder fixed, and the bottom cover is rotatively connected on the main cylinder bottom.

[0018] In the utility model, the funnel is inserted in the main cylinder top, the funnel spout is equipped with check valve 9, the filter disc 11 is installed in the funnel middle part, and through the funnel, it is convenient to guide lubricating oil into the main cylinder inside, the two mounting blocks are installed on the main cylinder outside circumferential wall symmetry, and the two mounting blocks are equipped with the telescopic plate fixed through bolt, and the telescopic end of telescopic plate is equipped with the foot column 15 for preventing, and through telescopic plate, the height of clamping plate can be adjusted, the pivot is equipped on the telescopic plate, and the clamping plate is rotatably equipped on the pivot, and one end of clamping plate is pasted funnel feed end, and the bottom surface of clamping plate is equipped with the antiskid pad, and through clamping plate, it is convenient to prevent the funnel from shaking or displacement in the filtering process, the bolt is equipped on the gland 10 for with the main cylinder fixed, and the sealing washer is equipped at the junction of gland 10 and main cylinder, and the bottom cover is rotatively connected on the main cylinder bottom, and through sealing washer, it is convenient to improve the sealing property of equipment, the four support columns 14 are installed on the bottom cover bottom end symmetry, the discharge pipe 12 is protruded in the bottom cover middle part, and the bypass valve 13 is installed on one side of discharge pipe 12, and through bypass valve 13, it is convenient to control the efflux of lubricating oil.

[0019] Working principle: in the utility model for use, lubricating oil first through funnel enters filter mechanism, and the filter disc 11 in the funnel middle part carries out preliminary filtration to lubricating oil, and intercepts the impurity of larger particle in it, and the lubricating oil after preliminary filtration enters check valve 9 through funnel spout, and check valve 9 guarantees lubricating oil unidirectional flow into the main cylinder inside, prevents lubricating oil backflow, and the lubricating oil in the main cylinder contacts filter core paper 8, and filter core paper 8 is sleeved on the outer wall of central tube 6, and the surface of central tube 6 has fine filter hole, and lubricating oil passes through filter core paper 8 under the action of pressure, and filter core paper 8 filters the tiny impurity in lubricating oil, and the clean lubricating oil passes through the filter hole of central tube 6 and enters the inside of central tube 6 after passing through filter core paper 8, and the lubricating oil after filtering flows down in central tube 6, and finally flows out from the discharge pipe 12 in the middle of bottom cover, when needing to adjust lubricating oil flow or under special circumstances, such as filter mechanism partial blockage, can control the flow direction and flow of lubricating oil through bypass valve 13 on one side of discharge pipe 12, and thus the use of a filter mechanism for lubricating oil ends.

[0020] The above merely describes a preferred embodiment of the present application, but the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A filter mechanism for lubricating oil comprising a main cylinder, characterized by: The main cylinder is internally provided with a center tube (6), the tube wall of the center tube (6) is equidistantly provided with a plurality of fine filter holes, the outer wall of the center tube (6) is sleeved with filter core paper (8), both ends of the filter core paper (8) are provided with fixing plates (7) for fixedly connecting with the center tube (6), the fixing plates (7) are abutted with check valves (9), the upper end of the main cylinder is provided with a gland (10), and the gland (10) is connected with the main cylinder through clamping.

2. A filter mechanism for lubricating oil as claimed in claim 1, wherein: The funnel is inserted into the top of the main cylinder, the funnel spout is provided with a check valve (9), and the funnel is internally provided with a filter disc (11).

3. A filter mechanism for lubricating oil as claimed in claim 1, wherein: Two mounting blocks are symmetrically mounted on the outer side wall of the main cylinder, the two mounting blocks are both provided with telescopic plates fixed through bolts, and the telescopic ends of the telescopic plates are provided with foot columns (15) for preventing falling.

4. A filter mechanism for lubricating oil according to claim 3, wherein: A rotating shaft is arranged on the telescopic plate, a clamping plate is rotatably arranged on the rotating shaft, one end of the clamping plate is attached to the feeding end of the funnel, and an antiskid pad is arranged on the bottom surface of the clamping plate.

5. A filter mechanism for lubricating oil as claimed in claim 1, wherein: A bolt for fixing with the main cylinder is arranged on the gland (10), a sealing washer is arranged at the connecting position of the gland (10) and the main cylinder, and a bottom cover is connected with the bottom of the main cylinder through screwing.

6. A filter mechanism for lubricating oil according to claim 5, wherein: Four supporting columns (14) are symmetrically mounted on the bottom end of the bottom cover, a discharging pipe (12) is protrudingly arranged on the middle part of the bottom cover, and a bypass valve (13) is mounted on one side of the discharging pipe (12).