CN211385407U

CN211385407U - Lubricating oil filter

Info

Publication number: CN211385407U
Application number: CN201922167766.XU
Authority: CN
Inventors: 杨卫民
Original assignee: Gansu Xijiang Intelligent Equipment Technology Co ltd
Current assignee: Jiangsu R&d Energy Conservation And Environmental Protection Technology Co ltd
Priority date: 2019-12-06
Filing date: 2019-12-06
Publication date: 2020-09-01
Anticipated expiration: 2029-12-06

Abstract

The utility model discloses a lubricating oil filter, which comprises a shell, wherein a shell cover is assembled at the upper end of the shell, a magnetic steel ring is assembled between the shell and the shell cover, a metal fixing ring is assembled between the shell and the outer part of the shell cover, the metal fixing ring is respectively clamped in the shell and the shell cover, a ring groove is arranged at the top of the shell cover close to the outer side, a first sealing ring is embedded in the ring groove, and a boss is formed at the middle position of the shell after protruding upwards; this product has set up the magnet steel circle in practical application, presss from both sides between casing and cap and has established the sump oil when getting into, at first with the contact of magnet steel circle, the particulate matter that can be inhaled by the magnetism that contains in the oil is adsorbed by the magnet steel circle, then remaining oil just passes the filter core, the life of extension filter core, the structure of this product is comparatively simple, and the cost is comparatively cheap, is fit for using widely.

Description

Lubricating oil filter

Technical Field

The utility model relates to a lubricating oil filter.

Background

Lubricating oil, commonly known as engine oil, is used for lubrication in engine operation.

In the working process of the engine, metal abrasive dust, carbon deposit oxidized at high temperature, colloidal precipitate, water and the like are continuously mixed into the lubricating oil. The function of the oil filter is to filter out these mechanical impurities and colloids, keep the lubricating oil clean and prolong the service life of the lubricating oil. The oil filter should have the performance of strong filtering capacity, small flow resistance, long service life and the like. In general, several filters with different filtering capacities are installed in the lubricating system, such as a collecting filter, a coarse filter and a fine filter, which are respectively connected in parallel or in series in the main oil gallery. (a full-flow filter connected in series with the main oil duct, a bypass filter connected in parallel with the engine, and a filter for filtering the whole lubricating oil when the engine works). The first coarse filter is connected in series in the main oil duct and is of a full-flow type; the fine filter is connected in parallel in the main oil duct and is of a split flow type. The modern car engine is generally provided with only a strainer and a full-flow type oil filter

Because the engine oil is mixed with more metal abrasive dust, the loss of the metal abrasive dust to a filter element in the filter is very large.

Therefore, the lubricating oil filter is designed, wherein the lubricating oil filter can be used for performing adsorption type filtration on the entering dirty oil and then performing further filtration so as to reduce the consumption of a filter element.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a sump oil that can get into carries out the absorption formula and filters is provided, then carries out further filtration again, reduces the lubricating oil filter to the filter core consumption.

The utility model discloses a realize through following technical scheme:

a lubricating oil filter comprises a shell, wherein a shell cover is assembled at the upper end of the shell, a magnetic steel ring is assembled between the shell and the shell cover, a metal fixing ring is assembled between the shell and the outer part of the shell cover, the metal fixing ring is clamped into the shell and the shell cover respectively, an annular groove is formed in the position, close to the outer side, of the top of the shell cover, a first sealing ring is embedded into the annular groove, a boss is formed in the middle position of the shell cover after protruding upwards, a threaded hole communicated with the inside of the shell is formed in the axis of the boss, a first annular groove is formed in the bottom of the shell cover, a bottom cover is arranged inside the shell, a convex ring is processed at the outer ring of the lower end of the bottom cover and supported at the inner bottom of the shell, and the bottom of the bottom cover is 5-15 mm away from the bottom of the shell under the supporting effect of the convex ring, a first boss is arranged at the top of the bottom cover, a second annular groove is arranged at the outer side position of the first boss, and a filter element is assembled between the first annular groove and the second annular groove; an oil passing gap with the width of 2-4 mm is formed between the magnetic steel ring and the filter element, and a plurality of oil sump holes are annularly formed in the inner wall of the shell cover and positioned on the outer side of the boss.

Preferably, a seal ring is fitted at a contact position of the housing and the housing cover; after the metal fixing ring is installed, the shell and the shell cover are pulled tightly, the sealing ring is extruded at the moment, and the sealing ring is pressed to form sealing between the shell and the shell cover; the sealing ring is arranged to increase the sealing performance between the shell and the shell cover.

Preferably, a hole is arranged at the axle center of the first boss, a step surface is arranged at the bottom of the shell cover, an inner pipe is assembled through the step surface, an inner ring is arranged at the inner wall of the inner pipe, a plurality of oil holes are arranged on the surface of the inner pipe and above the inner ring, a pressure relief rod is matched with the inner ring, the lower end of the pressure relief rod is inserted into the hole, a limiting retainer ring is processed at the outer wall of the pressure relief rod, when the lower end of the pressure relief rod is inserted into the hole, the limiting retainer ring is limited at the top of the first boss, a spring is assembled on the pressure relief rod and acts between the inner ring and the limit retainer ring, a pressure relief hole is processed at the top of the pressure relief rod, a first pressure relief hole is formed in the outer wall of the pressure relief rod, and the pressure relief hole is communicated with the first pressure relief hole; a plurality of first holes which vertically penetrate through are formed in the top of the bottom cover and close to the outer wall; when the oil strain efficiency at the filter core is less than oil feed efficiency, the oil pressure increases, and engine oil is by the pressure boost after, with the ascending jack-up of pressure release pole, and the clearing hole oil discharge this moment, after the oil discharge, engine oil passes through behind the first pressure release hole, and the rethread pressure release hole gets into to the inner tube in, and then to the discharge again.

Preferably, a third annular groove is formed in the upper end surface of the boss, and a second sealing ring is arranged in the third annular groove.

Preferably, the outer side of the boss is provided with a conical oil guide surface.

The utility model has the advantages that: this product has set up the magnet steel circle in practical application, presss from both sides between casing and cap and has established the sump oil when getting into, at first with the contact of magnet steel circle, the particulate matter that can be inhaled by the magnetism that contains in the oil is adsorbed by the magnet steel circle, then remaining oil just passes the filter core, the life of extension filter core, the structure of this product is comparatively simple, and the cost is comparatively cheap, is fit for using widely.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a cross-sectional view of the present invention;

FIG. 2 is an enlarged view at A;

FIG. 3 is an enlarged view at B;

fig. 4 is a top view of the bottom cover.

Detailed Description

All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.

Any feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.

In the description of the present invention, it is to be understood that the terms "one end", "the other end", "the outside", "upper", "inside", "horizontal", "coaxial", "central", "end", "length", "outer end", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, in the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise explicitly specified or limited, the terms "set", "coupled", "connected", "penetrating", "plugging", and the like are to be understood in a broad sense, and may be, for example, fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

As shown in fig. 1, 2, 3 and 4, the lubricating oil filter includes a casing 1, a casing cover 2 is assembled at an upper end of the casing 1, a magnet ring 3 is assembled between the casing 1 and the casing cover 2, a metal fixing ring 4 is assembled between the casing 1 and an outer portion of the casing cover 2, the metal fixing ring 4 is respectively clamped into the casing 1 and the casing cover 2, an annular groove 201 is disposed at a top portion of the casing cover 2 near an outer side, a first sealing ring 202 is embedded in the annular groove 201, a boss 203 is formed at a middle position of the casing cover 2 after protruding upward, a threaded hole 204 communicated with an inner portion of the casing 1 is disposed at an axial center of the boss 203, a first annular groove 205 is disposed at a bottom portion of the casing cover 2, a bottom cover 5 is disposed in the casing 1, a convex ring 501 is formed at a lower outer ring of the bottom cover 5, a convex ring 501 is supported at the inner bottom of the shell 1, under the supporting action of the convex ring 501, the bottom of the bottom cover 5 is 5 mm-15 mm away from the bottom of the shell 1, a first boss 502 is arranged at the top position of the bottom cover 5, a second annular groove 503 is arranged at the outer side position of the first boss 502, and a filter element 6 is assembled between the first annular groove 205 and the second annular groove 503; an oil passing gap 331 with the width of 2 mm-4 mm is formed between the magnetic steel ring 3 and the filter element 6, and a plurality of oil sump holes 221 are annularly arranged on the inner wall of the shell cover 2 and positioned on the outer side of the boss 203.

In a preferred embodiment of the present invention, a sealing ring 101 is assembled at a contact position between the housing 1 and the housing cover 2; after the metal fixing ring 4 is installed, the shell 1 and the shell cover 2 are tightened, the sealing ring 101 is extruded at the moment, and the sealing ring 101 is pressed to form sealing between the shell 1 and the shell cover 2; the sealing ring 101 is provided to increase the sealing property between the housing 1 and the housing cover 2.

In a preferred embodiment of the present invention, a hole 511 is disposed at the axis of the first boss 502, a stepped surface 211 is disposed at the bottom of the housing cover 2, an inner tube 7 is assembled through the stepped surface 211, an inner ring 701 is disposed at the inner wall of the inner tube 7, a plurality of oil holes 702 are disposed on the surface of the inner tube 7 and above the inner ring 701, a pressure relief rod 703 is fitted through the inner ring 701, the lower end of the pressure relief rod 703 is inserted into the hole 511, a limit stop ring 704 is processed at the outer wall of the pressure relief rod 703, when the lower end of the pressure relief rod 703 is inserted into the hole, the limit stop ring 704 is limited at the top of the first boss 502, a spring is assembled on the pressure relief rod 703, the spring 705 acts between the inner ring 701 and the limit stop ring 704, a pressure relief hole 706 is processed at the top of the pressure relief rod 703, a first pressure relief hole 707 is arranged on the outer wall of the pressure relief rod 703, and the pressure relief hole 706 is communicated with the first pressure relief hole 707; a plurality of first holes 551 vertically penetrating are formed at the top of the bottom cover 5 close to the outer wall; when the oil filtering efficiency of the filter element 6 is lower than the oil inlet efficiency, the oil pressure is increased, the pressure relief rod 703 is jacked upwards after engine oil is pressurized, at the moment, oil is discharged through the hole 511, and after oil is discharged, the engine oil enters the inner pipe 7 after passing through the first pressure relief hole 707 and then the pressure relief hole 706, and is discharged again.

In a preferred embodiment of the present invention, a third annular groove 222 is disposed on the upper end surface of the boss 203, and a second sealing ring 223 is disposed in the third annular groove 222.

In a preferred embodiment of the present invention, the outer side of the boss 203 is provided with a tapered oil guiding surface 232.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the creative work should be covered within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.

Claims

1. An oil filter, characterized in that: comprises a shell (1), a shell cover (2) is assembled at the upper end of the shell (1), a magnetic steel ring (3) is assembled between the shell (1) and the shell cover (2), a metal fixing ring (4) is assembled between the shell (1) and the shell cover (2), the metal fixing ring (4) is respectively clamped in the shell (1) and the shell cover (2), an annular groove (201) is arranged at the top of the shell cover (2) close to the outer side, a first sealing ring (202) is embedded in the annular groove (201), a boss (203) is formed at the middle position of the shell cover (2) after protruding upwards, a threaded hole (204) communicated with the interior of the shell (1) is arranged at the axis of the boss (203), a first annular groove (205) is arranged at the bottom of the shell cover (2), and a bottom cover (5) is arranged in the shell (1), a convex ring (501) is processed at the outer ring of the lower end of the bottom cover (5), the convex ring (501) is supported at the inner bottom of the shell (1), under the supporting action of the convex ring (501), the bottom of the bottom cover (5) is 5-15 mm away from the bottom of the shell (1), a first boss (502) is arranged at the top of the bottom cover (5), a second annular groove (503) is arranged at the outer side of the first boss (502), and a filter element (6) is assembled between the first annular groove (205) and the second annular groove (503); an oil passing gap (331) with the width of 2-4 mm is formed between the magnetic steel ring (3) and the filter element (6), and a plurality of oil sump holes (221) are annularly arranged on the inner wall of the shell cover (2) and positioned on the outer side of the boss (203).

2. The oil filter of claim 1 wherein: a sealing ring (101) is assembled at the contact position of the shell (1) and the shell cover (2); after the metal fixing ring (4) is installed, the shell (1) and the shell cover (2) are tensioned, the sealing ring (101) is extruded at the moment, and the sealing ring (101) is pressed to form sealing between the shell (1) and the shell cover (2).

3. The oil filter of claim 1 wherein: the structure is characterized in that a hole (511) is formed in the axis of the first boss (502), a step surface (211) is arranged at the bottom of the shell cover (2), an inner pipe (7) is assembled on the step surface (211), an inner ring (701) is arranged on the inner wall of the inner pipe (7), a plurality of oil holes (702) are formed in the surface of the inner pipe (7) and above the inner ring (701), a pressure relief rod (703) is matched with the inner ring (701), the lower end of the pressure relief rod (703) is inserted into the hole (511), a limiting check ring (704) is processed at the outer wall of the pressure relief rod (703), when the lower end of the pressure relief rod (703) is inserted into the hole, the limiting check ring (704) is limited at the top of the first boss (502), a spring (705) is assembled on the pressure relief rod (703), and the spring (705) acts between the inner ring (701) and the limiting check ring (704), a pressure relief hole (706) is processed at the top of the pressure relief rod (703), a first pressure relief hole (707) is arranged on the outer wall of the pressure relief rod (703), and the pressure relief hole (706) is communicated with the first pressure relief hole (707); a plurality of first holes (551) which vertically penetrate are arranged at the position, close to the outer wall, of the top of the bottom cover (5).

4. The oil filter of claim 1 wherein: a third annular groove (222) is formed in the upper end face of the boss (203), and a second sealing ring (223) is arranged in the third annular groove (222).

5. The oil filter of claim 1 wherein: the outer side of the boss (203) is provided with a conical oil guide surface (232).