CN2418257Y

CN2418257Y - Magnetic-adsorption machine-oil filtering device

Info

Publication number: CN2418257Y
Application number: CN 99215367
Authority: CN
Inventors: 申强
Original assignee: Individual
Current assignee: Individual
Priority date: 1999-06-30
Filing date: 1999-06-30
Publication date: 2001-02-07
Anticipated expiration: 2009-06-30

Abstract

The utility model relates to a machine-oil filtering device which can thoroughly filter hard metal impurities in machine oil. The utility model is characterized in that a magnetic filter core replaces the existing machine-oil filtering device medium filter core; the magnetic filter core is characterized in that the perisporium is provided with through holes, a barrel-shaped permanent magnet or surface is homogeneously distributed with holes, and a permanent magnetism uniwafer is formed by that retainers are in series; when the machine oil passes by the magnetic filter core in a straight line or a curve, the hard metal particles in the machine oil can be completely adsorbed and separated; when the magnetic filter core and the medium filter core are matched to use, the filtering effect of the machine oil can not only raised, but also the utility model can effectively prevent the condition that the blocking and the passive DC of the filter core of the filtering device from occurring.

Description

Magnetic random oil rectifier

The utility model relates to a kind of filter cleaner, particularly a kind of oil filter.

Present various oil filter generally adopts by frame supported filter paper, porous materials such as foam are as the citation form of filter core, its principle is to utilize in the filter medium hole machinery filtering machine oil impurity to reach the purpose that reduces mechanical abrasive wear, because the medium filter cleaner has simple in structure, characteristics easy to use still are widely adopted so far, but filter medium pore size filtering effect and machine oil resistance to motion, exist insoluble contradiction between the anti-shut-off capacity of medium, that is to say when filter media area one its dielectric material hole of timing is big more, the machine oil resistance to motion is more little, the anti-shut-off capacity of medium is strong more, but the machine oil filtering effect is poor more; Otherwise the medium hole more hour, the machine oil filtering effect is good more, but the machine oil resistance to motion increases, the anti-shut-off capacity of medium reduces, the abrasive dust amount of the particularly different mechanical generations of working under the different loads condition is different, consequent contradiction is particularly outstanding, prior art is for solving above-mentioned contradiction, anti-blocking straight-wavy valve is set up in employing on filter cleaner medium filter core or oil circuit, its working principle is when dielectric surface during because of the excessive shutoff of impurity accumulating amount, under the oil pump effect, interior or the filter cleaner front end oil circuit internal pressure rising of filter cleaner cavity, anti-blocking straight-wavy valve pressurized is opened, machine oil is walked around the medium filter core, directly enter engine oil recycle system by straight-wavy valve, though this method has solved filter core shutoff problem, the accident of having avoided machinery to cause in unlubricated work down, but the machine oil that is passed through by straight-wavy valve is without any filtration treatment, wherein be mingled with a large amount of impurity, particularly by the hard metal particle that rubs and produce, to cause serious abrasive wear to machinery, so it is not that contradiction improves adaptive effective way between existing oil filter filtering effect of solution and the functional reliability that simple dependence change filtering dielectric material pore size is provided with straight-wavy valve, existing simultaneously I. C. engine oil filter cleaner generally adopts disposable overall structure, has increased user cost so virtually.

The purpose of this utility model provides a kind of magnetic random oil rectifier, it can not only satisfy various machinery, the needs of the thorough hard metal impurities of filtering effectively prevent the generation of filter core shutoff and passive direct current situation under the different loads operating conditions, and are easy to clean and change filter material.

The technical solution adopted in the utility model is in order to achieve the above object:

The characteristic of utilizing the hard metal particle of iron-based easily to be adsorbed by magnetic material adopts the working centre element of permanent magnet as oil filter, filter core; The permanent magnetism filter core is fixed in the housing that communicates with oil circuit into and out of hydraulic fluid port, the body casing, realize the purpose of magnetic absorption filtering, for satisfying machinery requirements of one's work under the different loads condition, adopt ring-type, sheet, strip-shaped permanent-magnet body as filter element, wherein the annular permanent-magnet body is barrel-shaped, is evenly equipped with at its round tank wall surface and is convenient to the through hole that machine oil passes through, and flaky permanent magnet is a monolithic, the surface is evenly equipped with through hole, and the strip-shaped permanent-magnet body is that strip connects into integral body by retainer.When machine oil passes through permanent magnet surfaces or hole, because permanent magnet has the strong characteristics of two ends polarity, porous, it is extreme that multi-sheet structure helps to form many group high magnetic fieldss in permanent magnet surfaces, area of contact increases the attached efficient of magnetic and improves thereupon, machine oil is straight-line pass during by annular permanent-magnet body opening hole, and pass through sheet, it during the strip-shaped permanent-magnet body curve negotiating, at engine oil pressure flow one regularly, the attached effect of magnetic, the abrasive dust saturation will be by annular permanent-magnet body opening crack size, the monolithic pore size, interlace angle and monolithic aligned gaps decision and different of hole, adopt above-mentioned basic structure can satisfy various machineries requirements of one's work under different loads, and reach and guaranteeing that filtering prevents the purpose of filter cleaner shutoff completely under the prerequisite.

Owing to adopt such scheme not increasing under the oily prerequisite that hinders, hard metal impurities in the thorough filtering machine oil, prevent the generation of filter core shutoff and passive direct current situation, because filter core adopts porous ring-type, sheet, and the structural type of multi-disc combination has characteristics applied widely, simple and compact for structure, reliable operation.

Below in conjunction with drawings and Examples the utility model is done and to be described in further detail:

Fig. 1 is a passing through type magnetic random oil rectifier permanent magnet monolithic plan view.

Fig. 2 is a permanent magnet monolithic assembled state side view shown in Figure 1.

Fig. 3 is a passing through type magnetic random oil rectifier separated state reference drawing.

Fig. 4 is a combined-type magnetic absorption oil filter permanent magnetism monolithic plan view.

Fig. 5 is a permanent magnetism monolithic assembled state side view shown in Figure 4.

Fig. 6 is a combined-type magnetic absorption oil filter broken section reference drawing.

Fig. 7 is a precipitating type magnetic random oil rectifier retainer plan view.

Fig. 8 is a precipitating type magnetic random oil rectifier shaft side figure.

Fig. 9 is a combined-type magnetic absorption oil filter annular permanent-magnet body plan view.

Figure 10 is an annular permanent-magnet shown in Figure 9 side view.

Figure 11 is a combined-type magnetic absorption oil filter separated state reference drawing.

In above each figure: 1, permanent magnet monolithic 2, permanent magnet are crossed oil hole 3, monolithic attachment hole, groove 4, retainer 5, housing 6, housing end plug 7, paper Jie filter core 8, extruding fixing spring 9, seal rubber pad 10, permanent magnetism monolithic Combination filter element 11, annular permanent-magnet filter core

Monolithic permanent magnet shown in Figure 1 (1) is evenly equipped with through hole (2) on its surface, periphery etc. are arranged with and connect that (4) are complementary among this groove of groove (3) and strip retainer Fig. 2, and are composed in series magnetic filter core (10) as shown in Figure 2 by retainer.

The monolithic permanent magnet is evenly equipped with through hole (2) center and is provided with attachment hole (3) shown in the figure (4) on its surface, and (4) are complementary among this hole and cylindrical retainer Fig. 5, and connect into Combination filter element (10) as shown in Figure 5 by retainer.

Annular permanent-magnet body shown in Figure 9 is evenly equipped with at its barrel-shaped perisporium to be convenient to strip through hole (2) one ends that machine oil passes through and to open wide, end sealing, as shown in figure 10.

In the embodiment shown in fig. 3, be sidelong in the housing by the housing (5) that two ends are provided with oil inlet and outlet by the magnetic filter core (10) that the strip retainer is in series, its magnetic filter core outer surface and shell inner surface contact matching, side contacts is fixed in retainer two ends and housing and housing end plug (6) two ends, constitutes passing through type magnetic random oil rectifier.

In the embodiment shown in fig. 6, be installed in the magnetic filter core (10) in paper Jie filter core (7), pack into behind paper Jie filter core, its circumferential surface contacts with paper Jie filter core internal surface, the retainer two ends are fixed with inboard contact of paper Jie filter core two end supports, the paper filter core that is situated between is installed in the housing, and outer round surface and shell inner surface leave certain interval, and an end and housing one end promptly constitute combined-type magnetic absorption oil filter by the spring extruding is fixing.

In the embodiment shown in fig. 8, retainer (4) side of being sheet, shown in Figure 7, periphery is provided with the groove (3) that is complementary with strip-shaped permanent-magnet monolithic (1), after the permanent magnetism monolithic inserts groove piecewise, constitutes precipitating type magnetic random oil rectifier.

In the embodiment shown in fig. 11, annular permanent-magnet filter core (11) portion is within it installed its inwall of paper Jie's filter core (7) and paper Jie filter core outer round surface leaves the gap, the barrel-shaped bottom inside of annular permanent-magnet body contacts with paper Jie filter core support, the annular permanent-magnet body that is built-in with paper Jie filter core is packed into by housing (5) opening end in the housing, leave the gap between its barrel-shaped perisporium and inner walls, establish between staving bottom outside and housing end plug (6) and be provided with seal rubber pad (9) housing opening end outward edge between extruding fixing spring (8) housing opening end and end cap and be provided with the interface rib-loop, and be complementary with the inboard rib-loop of housing end plug.

The utility model magnetic random oil rectifier is for adapting to various machineries requirements of one's work under different condition, be divided into passing through type and precipitation contact-type two big classes according to permanent magnet and machine oil contact form, it is shown in Figure 3 that passing through type can be divided into magnetic filter core direct-type again, compound built-in shown in Figure 6, three kinds of compound external grades shown in Figure 11.

Compound built-in shown in Figure 6 and compound external shown in Figure 11 two kinds all can be as existing paper Jie filter cleaner modified model, its basic structure and prior art are identical, difference is in compound external housing shown in Figure 11 and can decomposes, so that cleaned and changed filter core and magnetic, precipitation contact-type filter cleaner shown in Figure 8 is installed on sump, groove bottom and can effectively adsorbs and suspend in machine oil backflow and case, the groove and hard metal particle that precipitation is built up, reduce content of impurities in the machine oil, alleviate medium filter core work load, prevent the generation of shutoff.

Claims

1, a kind of magnetic random oil rectifier, filtering material connects into integral filter core by stent support, be fixedly mounted in the tubbiness housing that oil inlet and outlet communicates with oil circuit, it is characterized in that: filtering material is a disk shape permanent magnet, be furnished with through hole on its surface, with the hole, the groove that are complementary with retainer, retainer is connected into whole magnetic filter core with the monolithic permanent magnet, is fixedly mounted in the tubbiness housing.

2, magnetic random oil rectifier according to claim 1, it is characterized in that: disk shape permanent magnet, the center is provided with circular hole and is complementary in cylindrical retainer, and retainer is placed on each monolithic series connection in paper Jie filter core, and the paper Jie filter core that is built-in with the magnetic filter core is installed in the tubbiness housing.

3, magnetic random oil rectifier according to claim 1 is characterized in that: disk shape permanent magnet is arranged with groove and is complementary in the strip retainer at its circumferential surface etc., and retainer is directly installed in the tubbiness housing after with the series connection of monolithic permanent magnet.

4, magnetic random oil rectifier according to claim 1, it is characterized in that: the tubbiness housing can be decomposed into staving and bung, and rib-loop is complementary in outer rib-loop of staving opening end and the bung.