Magnetic oil filter

Abstract

The utility model discloses a magnetic oil filter which comprises a shell, a filter cover mechanism forming an assembly type cover body structure, a pre-screening mechanism used for pre-screening magnetic oil and a filter element mechanism used for forming a double-filtering structure, and the upper end of the shell is provided with an opening structure. The filter cover mechanism is assembled at an opening in the upper end of the shell, the pre-screening mechanism is arranged on the inner side of the filter cover mechanism, and the filter element mechanism is arranged in the shell. The filter is convenient to disassemble, assemble and maintain while the filter element is replaced, the pre-screening mechanism is arranged, metal impurities in oil entering the filter can be preliminarily pre-screened, abrasion and blockage of the filter element caused by accumulation of the metal impurities are avoided, the service life of the filter element is prolonged, and the service cycle of the filter element is prolonged; the magnetic oil can be doubly filtered, the impurity removal rate is high, and the filtering effect is good.

Description

TECHNICAL FIELD

[0001] The utility model relates to oil filter technology field especially is involved in a kind of magnetic oil filter. BACKGROUND

[0002] In prior art, filter is the accessory that the filter paper is used to filter impurity or gas.It is generally referred to as automobile filter, which is the accessory of engine.According to different filtering functions, it is divided into: oil filter, fuel filter (gasoline filter, diesel filter, oil-water separator, hydraulic filter), air filter, air conditioner filter, etc.Engine has air, oil, fuel filter, commonly known as "three filters", plus air conditioner filter, commonly known as four filters, respectively, lubricating system, combustion system medium, engine intake system, vehicle cabin air circulation system filtering.The existing filter is generally single paper filter core hole intercepting and filtering harmful impurities in oil, and there are some ferromagnetic impurities in oil, which are small and hard, and are affected by filter structure, so that some iron impurities mixed in oil are extremely easy to accumulate, causing pipeline blockage, and the existing paper filter core can only filter out 60% of impurities in oil, and 40% of impurities cannot be effectively filtered out, and the proportion of iron filings in the 40% is relatively high, because the iron filings are relatively small in size, and the iron filings cannot be filtered out, which brings wear to other parts with oil circulation, so that the wear changes the original design parameters of engine, increases engine noise, oil consumption and power, and shortens the service life of engine and the use cycle of oil.

[0003] The utility model discloses a kind of magnetic oil filters, including isolator, the top of the isolator is fixedly installed with upper cover plate, and the bottom of isolator is fixed with lower cover plate, the middle lower end both sides position of the isolator is installed with clamping ring, and the side position of clamping ring is connected with connecting support, the vertical direction side position of the connecting support is fixed with horizontal rod, the inside of the lower cover plate is set with fitting groove by one-time cutting process.However, the filter core assembly in this kind of magnetic oil filter adopts single pipe opening to match with the structure of conical disc and sleeve to filter impurities, but it cannot pre-screen metal impurities, which causes metal impurities to easily accumulate and cause wear and blockage to filter core, reducing the service life of filter core, and its adoption integral filter structure makes the difficulty of filter core disassembly and replacement larger, and it is inconvenient to disassemble and maintain the filter. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of magnetic oil filter.

[0005] To achieve the above-mentioned purpose, the technical scheme provided by the utility model is:

[0006] The utility model provides a magnetic oil filter, including the shell, the upper end of shell is equipped with the open structure, still including the filter cover mechanism that constitutes the assembled cover structure, the prescreening mechanism for the prescreening of magnetic oil liquid and the filter core mechanism for constituting the double filtration structure, the filter cover mechanism is assembled in the upper end opening of shell, the prescreening mechanism is arranged in the inboard filter cover mechanism, the filter core mechanism is configured in the inside of shell.

[0007] The filter cover mechanism includes a filter cover, an oil inlet, an oil outlet, and an oil pipe elbow. The filter cover is arranged at the upper end opening of the shell and is connected with the shell. The oil inlet is arranged at one side of the upper end of the filter cover and is fixedly connected with the filter cover. The oil inlet penetrates the filter cover. The oil outlet is arranged at the middle of the upper end of the filter cover and is integrally formed with the filter cover. The oil outlet penetrates the filter cover. The oil pipe elbow is arranged at one end of the oil outlet and is fixedly connected with the oil outlet. The oil pipe elbow is in communication with the oil outlet.

[0008] The filter cover mechanism further includes an exhaust plug and a mounting seat. The exhaust plug is arranged at one side of the upper end of the filter cover and is fixedly connected with the filter cover. The exhaust plug penetrates the filter cover. The mounting seat is arranged at one side of the filter cover and is fixedly connected with the filter cover.

[0009] The prescreening mechanism includes a mounting base plate, a prescreening base cover, a prescreening base shell, and a screen core assembly. The mounting base plate is arranged on the inboard of the filter cover corresponding to the oil inlet and is detachably connected with the filter cover by screws. The prescreening base cover is arranged at the bottom of the mounting base plate and is detachably connected with the mounting base plate by screws. The prescreening base shell is arranged at the lower part of the prescreening base cover and is detachably connected with the prescreening base cover. The screen core assembly is assembled between the prescreening base cover and the prescreening shell.

[0010] The screen core assembly includes a prescreening filter screen and a prescreening filter core. The prescreening filter screen is arranged on the inboard of the upper part of the prescreening base cover and is embeddedly connected with the prescreening base cover. The prescreening filter core is arranged in the inside of the prescreening base shell.

[0011] The mounting base plate is provided with an opening structure corresponding to the oil inlet. The prescreening filter core is arranged in a wave-shaped filter core structure. The bottom of the prescreening base shell is arranged in a radial oil outlet structure.

[0012] The filter core mechanism comprises a filter core rod, a compression spring and a filter assembly, the filter core rod is arranged inside the shell and penetrates the shell, the filter core rod is threadedly connected with the shell through a filter seat, an upper portion of the filter core rod is provided with an oil outlet channel and communicates with the oil outlet, the compression spring is arranged at a lower portion of the filter core rod and is sleeved with the filter core rod, the filter assembly is assembled at the upper portion of the filter core rod and is located inside the shell, and the two ends of the compression spring respectively abut against the shell and the filter assembly.

[0013] The filter assembly comprises filter core end plates, a magnetic steel filter screen and a filter core inner screen, the filter core end plates are provided in two groups, the two groups of filter core end plates are arranged in parallel and are spaced apart on the filter core rod and are sleeved with the filter core rod, the magnetic steel filter screen is arranged between the two groups of filter core end plates and is fixedly connected with the two groups of filter core end plates, the filter core inner screen is arranged inside the magnetic steel filter screen and is spaced apart from the magnetic steel filter screen, and filter paper is arranged at the outer side of the filter core inner screen.

[0014] The inner screen support is arranged between the two groups of filter core end plates and the two ends of the inner screen support respectively abut against the two groups of filter core end plates, the inner screen support is located outside the filter core rod and inside the filter core inner screen, and the filter core inner screen is arranged in close contact with the inner screen support.

[0015] The oil drain valve seat and the oil drain valve core are arranged at the lower portion of the shell and are fixedly connected with the shell, the oil drain valve core is arranged at the lower portion of the oil drain valve seat and is fixedly connected with the oil drain valve seat, and the oil drain valve seat and the oil drain valve core penetrate the shell.

[0016] The beneficial effects of the present application are as follows:

[0017] The filter cover mechanism is arranged, which forms a combined filter structure together with the shell, facilitates replacement of the filter core, facilitates disassembly, maintenance and operation of the filter, the pre-screening mechanism is arranged, metal impurities in the oil entering the filter can be preliminarily screened, accumulation of the metal impurities is avoided, wear and blockage of the filter core are avoided, the service life of the filter core is prolonged, the filter core mechanism is arranged, the magnetic oil can be doubly filtered, the impurity removal rate is high, and the filtering effect is good. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a whole structure schematic view of the present application;

[0019] Figure 2 It is a pre-screening mechanism and shell cooperation sectional view of the present application;

[0020] Figure 3 It is a pre-screening mechanism sectional view of the present application;

[0021] Figure 4 is the schematic diagram of the pre-screening base shell and the mounting base plate of the utility model.

[0022] In the figure: 1, the shell; 2, filter cover; 3, oil inlet; 4, oil outlet; 5, oil pipe elbow; 6, exhaust plug; 7, mounting seat; 8, mounting base plate; 9, pre-screening base cover; 10, pre-screening base shell; 11, pre-screening filter screen; 12, pre-screening filter element; 13, filter element rod; 14, compression spring; 15, filter element end plate; 16, magnetic steel filter screen; 17, filter element inner screen; 18, inner screen support; 19, oil drain valve seat; 20, oil drain valve element. DETAILED DESCRIPTION

[0023] The utility model is further described in detail below with reference to the drawings,

[0024] A magnetic oil filter, comprising a shell 1, the upper end of the shell 1 is provided with an opening structure, further comprising a filter cover mechanism forming an assembled cover body structure, a pre-screening mechanism for pre-screening magnetic oil and a filter element mechanism for forming a double filtration structure, the filter cover mechanism is assembled at the upper end opening of the shell 1, the pre-screening mechanism is arranged on the inner side of the filter cover mechanism, and the filter element mechanism is arranged in the interior of the shell 1, and the overall structure schematic diagram of the utility model is as shown in Figure 1 .

[0025] The filter cover mechanism comprises a filter cover 2, an oil inlet 3, an oil outlet 4 and an oil pipe elbow 5, the filter cover 2 is arranged at the upper end opening of the shell 1 and is connected with the shell 1 in a buckling mode, the oil inlet 3 is arranged at one side of the upper end of the filter cover 2 and is fixedly connected with the filter cover 2, the oil inlet 3 penetrates the filter cover 2, the oil outlet 4 is arranged at the upper end of the filter cover 2 and is integrally formed with the filter cover 2, the oil outlet 4 penetrates the filter cover 2, the oil pipe elbow 5 is arranged at one end of the oil outlet 4 and is fixedly connected with the oil outlet 4, the oil pipe elbow 5 is communicated with the oil outlet 4, and the filter cover mechanism is combined with the shell 1 to form a combined filter structure through the filter cover 2, the oil inlet 3, the oil outlet 4 and the oil pipe elbow 5, wherein the filter cover 2 is used as a detachable filter cover structure on the shell 1, the oil inlet 3 is used as an oil inlet structure on the filter cover 2, the oil outlet 4 is used as an oil outlet structure on the filter cover 2, and the oil pipe elbow 5 is used as an oil pipe connecting structure on the oil outlet 4 to meet the connecting requirement between the oil outlet 4 and the oil pipe.

[0026] Further comprising an exhaust plug 6 and a mounting seat 7, the exhaust plug 6 is arranged at one side of the upper end of the filter cover 2 and is fixedly connected with the filter cover 2, the exhaust plug 6 penetrates the filter cover 2, and the mounting seat 7 is arranged at one side of the filter cover 2 and is fixedly connected with the filter cover 2, wherein the exhaust plug 6 is used as an exhaust structure on the filter cover 2 to meet the exhaust requirement of the filter, and the mounting seat 7 is used as a mounting structure of the filter to meet the mounting requirement of the filter.

[0027] The pre-screening mechanism comprises a mounting base plate 8, a pre-screening base cover 9, a pre-screening base shell 10 and a screen core assembly, the mounting base plate 8 is arranged on the inner side of the filter cover 2 corresponding to the oil inlet 3 and is detachably connected with the filter cover 2 through screws, the pre-screening base cover 9 is arranged on the bottom of the mounting base plate 8 and is detachably connected with the mounting base plate 8 through screws, the pre-screening base shell 10 is arranged on the lower part of the pre-screening base cover 9 and is detachably connected with the pre-screening base cover 9, and the screen core assembly is assembled between the pre-screening base cover 9 and the pre-screening shell 1, the pre-screening mechanism is matched by the mounting base plate 8, the pre-screening base cover 9, the pre-screening base shell 10 and the screen core assembly to pre-screen the oil entering the shell 1 through the oil inlet 3, wherein the mounting base plate 8 is used to provide mounting support for the pre-screening base cover 9 to detachably assemble the pre-screening base cover 9 on the filter cover 2, the pre-screening base cover 9 is used to provide mounting support for the pre-screening base shell 10, the pre-screening base shell 10 is used to form a detachable shell structure together with the pre-screening base cover 9 to provide mounting support for the screen core assembly, and the screen core assembly is used to pre-screen the oil entering the shell 1, and the pre-screening mechanism is matched with the shell 1 as shown in the sectional view. Figure 2

[0028] The screen core assembly comprises a pre-screening filter screen 11 and a pre-screening filter core 12, the pre-screening filter screen 11 is arranged on the inner side of the upper part of the pre-screening base cover 9 and is embeddedly connected with the pre-screening base cover 9, and the pre-screening filter core 12 is arranged in the interior of the pre-screening base shell 10, the screen core assembly is matched by the pre-screening filter screen 11 and the pre-screening filter core 12 to pre-screen the oil entering the shell 1, wherein the pre-screening filter screen 11 is used to preliminarily pre-screen the oil entering the shell 1, and the pre-screening filter core 12 is used to secondarily pre-screen the oil entering the shell 1, and the pre-screening mechanism is shown in the sectional view. Figure 3

[0029] The mounting base plate 8 is provided with an opening structure corresponding to the oil inlet 3, the pre-screening filter core 12 is arranged in a wave-shaped filter core structure, and the bottom of the pre-screening base shell 10 is arranged in a radial oil outlet structure, wherein the opening structure on the mounting base plate 8 can meet the oil inlet requirement of the pre-screening mechanism, the pre-screening filter core 12 in the wave-shaped filter core structure can effectively increase the contact area of the filter core and the oil, thereby improving the pre-screening effect, and the pre-screening base shell 10 in the radial oil outlet structure can ensure the overall stability of the pre-screening base shell 10 while meeting the oil inlet requirement, and the pre-screening base shell 10 is matched with the mounting base plate 8 as shown in the schematic view. Figure 4

[0030] ​​​The filter core mechanism comprises a filter core rod 13, a compression spring 14 and a filter assembly, the filter core rod 13 is arranged inside the shell 1 and penetrates the shell 1, the filter core rod 13 is threadedly connected with the shell 1 through a filter seat, the upper portion of the filter core rod 13 is provided with an oil outlet channel and communicates with the oil outlet 4, the compression spring 14 is arranged at the lower portion of the filter core rod 13 and is sleeved with the filter core rod 13, the filter assembly is assembled at the upper portion of the filter core rod 13 and is located inside the shell 1, the two ends of the compression spring 14 respectively abut against the shell 1 and the filter assembly, the filter core mechanism cooperates with the filter core rod 13, the compression spring 14 and the filter assembly to form a double filtering structure to filter the oil, wherein the filter core rod 13 is used to provide mounting support for the compression spring 14 and the filter assembly, the oil outlet channel is used to discharge the filtered oil from the oil outlet 4, the compression spring 14 is used to provide compression support for the filter assembly, and the filter assembly is used to form the double filtering structure to filter the oil.

[0031] The filter assembly comprises two filter core end plates 15, a magnetic steel filter screen 16 and a filter core inner screen 17, the two filter core end plates 15 are arranged in parallel and at intervals on the filter core rod 13 and are sleeved with the filter core rod 13, the magnetic steel filter screen 16 is arranged between the two filter core end plates 15 and is fixedly connected with the two filter core end plates 15, the filter core inner screen 17 is arranged inside the magnetic steel filter screen 16 and has a spacing with the magnetic steel filter screen 16, the outer side of the filter core inner screen 17 is arranged with filter paper, and the filter assembly cooperates with the filter core end plate 15, the magnetic steel filter screen 16 and the filter core inner screen 17 to form a double filtering structure to filter the oil, wherein the filter core end plate 15 is used as a mounting structure on the filter core rod 13 to provide mounting support for the magnetic steel filter screen 16 and the filter core inner screen 17, the magnetic steel filter screen 16 is used to adsorb the magnetic impurities in the oil, and the filter core inner screen 17 is used to provide mounting support for the filter paper and filter the fine impurities through the filter paper.

[0032] Further comprising an inner screen support 18, the inner screen support 18 is arranged between the two filter core end plates 15 and the two ends thereof respectively abut against the two filter core end plates 15, the inner screen support 18 is located outside the filter core rod 13 and inside the filter core inner screen 17, and the filter core inner screen 17 is arranged in close contact with the inner screen support 18, wherein the inner screen support 18 is used to provide top-holding support for the filter core inner screen 17 to avoid the deformation of the filter core inner screen 17 and affect the filtering effect.

[0033] The oil drain valve seat 19 is arranged on the lower side of the shell 1 and is fixedly connected with the shell 1, and the oil drain valve core 20 is arranged on the lower part of the oil drain valve seat 19 and is fixedly connected with the oil drain valve seat 19, and the oil drain valve seat 19 and the oil drain valve core 20 penetrate the shell 1, wherein the oil drain valve seat 19 is used for providing mounting support for the oil drain valve core 20 to assemble the oil drain valve core 20 on the shell 1, and the oil drain valve core 20 is used as an oil drain structure on the filter to meet the waste oil discharge requirement of the filter.

[0034] Working principle:

[0035] In work, the magnetic oil enters the filter through the oil inlet 3, the pre-screening filter screen 11 and the pre-screening filter core 12 in the pre-screening mechanism pre-screen the large particle metal impurities in the magnetic oil, the pre-screened oil falls into the shell 1 and is double-filtered by the filter core mechanism, the magnetic steel filter screen 16 in the filter core mechanism adsorbs the magnetic impurities in the oil, and then the inner screen 17 in the filter core filters the fine impurities in the oil filtered by the magnetic steel filter screen 16 for the second time, the filtered oil enters the oil outlet 4 through the oil outlet channel on the upper part of the filter core rod 13 and is discharged from the filter through the oil outlet 4, that is, the filtration of the magnetic oil is completed, and in the working process, the filter can be exhausted through the exhaust plug 6 and the waste oil in the filter can be discharged through the oil drain valve core 20.

[0036] The filter cover mechanism is arranged, which forms a combined filter structure with the shell, so that the filter core can be replaced and the filter can be disassembled, maintained and operated, the pre-screening mechanism is arranged, metal impurities in the oil entering the filter can be preliminarily screened, metal impurities are prevented from accumulating to cause abrasion and blockage of the filter core, the service life of the filter core is prolonged to prolong the use cycle, the filter core mechanism is arranged, the magnetic oil can be double-filtered, the impurity removal rate is high, and the filtering effect is good.

[0037] The above embodiment of the utility model is described in detail, but the content is only the preferred embodiment of the utility model, and cannot be considered as limiting the implementation range of the utility model. Any equivalent change and improvement within the scope of the utility model application shall still belong to the patent coverage range of the utility model.

Claims

1. A magnetic oil filter comprising a housing (1), the upper end of which is provided with an open structure, characterized in that The filter cover mechanism constitutes the assembled cover structure, the pre-screening mechanism for pre-screening the magnetic oil, and the filter core mechanism for constituting the double filtering structure.

2. A magnetic oil filter as claimed in claim 1, wherein, The filter cover mechanism comprises a filter cover (2), an oil inlet (3), an oil outlet (4), and an oil pipe elbow (5). The filter cover (2) is arranged at the upper end opening of the shell (1) and is connected with the shell (1) by buckling. The oil inlet (3) is arranged at one side of the upper end of the filter cover (2) and is fixedly connected with the filter cover (2). The oil inlet (3) penetrates the filter cover (2). The oil outlet (4) is arranged at the middle of the upper end of the filter cover (2) and is integrally formed with the filter cover (2). The oil outlet (4) penetrates the filter cover (2). The oil pipe elbow (5) is arranged at one end of the oil outlet (4) and is fixedly connected with the oil outlet (4). The oil pipe elbow (5) communicates with the oil outlet (4).

3. A magnetic oil filter as claimed in claim 2, wherein the magnetic material is a ferrous material. The filter cover mechanism comprises a filter cover (2), an oil inlet (3), an oil outlet (4), and an oil pipe elbow (5). The filter cover (2) is arranged at the upper end opening of the shell (1) and is connected with the shell (1) by buckling. The oil inlet (3) is arranged at one side of the upper end of the filter cover (2) and is fixedly connected with the filter cover (2). The oil inlet (3) penetrates the filter cover (2). The oil outlet (4) is arranged at the middle of the upper end of the filter cover (2) and is integrally formed with the filter cover (2). The oil outlet (4) penetrates the filter cover (2). The oil pipe elbow (5) is arranged at one end of the oil outlet (4) and is fixedly connected with the oil outlet (4). The oil pipe elbow (5) communicates with the oil outlet (4).

4. A magnetic oil filter as claimed in claim 3, wherein the magnetic material is a ferrous material. The pre-screening mechanism comprises a mounting base plate (8), a pre-screening base cover (9), a pre-screening base shell (10), and a screen core assembly. The mounting base plate (8) is arranged on the inner side of the filter cover (2) corresponding to the oil inlet (3) and is detachably connected with the filter cover (2) by screws. The pre-screening base cover (9) is arranged at the bottom of the mounting base plate (8) and is detachably connected with the mounting base plate (8) by screws. The pre-screening base shell (10) is arranged at the lower part of the pre-screening base cover (9) and is connected with the pre-screening base cover (9) by buckling. The screen core assembly is assembled between the pre-screening base cover (9) and the pre-screening shell (1).

5. A magnetic oil filter as claimed in claim 4, wherein the magnetic material is a ferrous material. 5 The screen core assembly comprises a pre-screening filter screen (11) and a pre-screening filter core (12). The pre-screening filter screen (11) is arranged on the inner side of the upper part of the pre-screening base cover (9) and is embeddedly connected with the pre-screening base cover (9). The pre-screening filter core (12) is arranged inside the pre-screening base shell (10).

6. A magnetic oil filter as claimed in claim 5, wherein the magnetic material is a ferrous material. The mounting base plate (8) is provided with an opening structure corresponding to the oil inlet (3). The pre-screening filter core (12) is arranged in a wave-shaped filter core structure. The bottom of the pre-screening base shell (10) is arranged in a radial oil outlet structure.

7. A magnetic oil filter as claimed in claim 6, characterized in that The filter core mechanism comprises a filter core rod (13), a compression spring (14) and a filter assembly, the filter core rod (13) is arranged inside and penetrates through the shell (1), the filter core rod (13) is threadedly connected with the shell (1) through a filter seat, the upper portion of the filter core rod (13) is provided with an oil outlet channel and communicates with the oil outlet (4), the compression spring (14) is arranged at the lower portion of the filter core rod (13) and is sleeved with the filter core rod (13), the filter assembly is assembled at the upper portion of the filter core rod (13) and is located inside the shell (1), and the two ends of the compression spring (14) respectively abut against the shell (1) and the filter assembly.

8. A magnetic oil filter as claimed in claim 7, characterized in that The filter assembly comprises filter core end plates (15), magnetic steel filter screens (16) and filter core inner screens (17), the filter core end plates (15) are provided in two groups, the two groups of filter core end plates (15) are arranged in parallel and are spaced apart on the filter core rod (13) and are sleeved with the filter core rod (13), the magnetic steel filter screens (16) are arranged between the two groups of filter core end plates (15) and are fixedly connected with the two groups of filter core end plates (15), the filter core inner screens (17) are arranged inside the magnetic steel filter screens (16) and have a spacing between the magnetic steel filter screens (16), and filter paper is arranged outside the filter core inner screens (17).

9. A magnetic oil filter as claimed in claim 8, wherein the magnetic material is a ferrous material. Further comprising an inner screen support (18), the inner screen support (18) is arranged between the two groups of filter core end plates (15) and the two ends thereof respectively abut against the two groups of filter core end plates (15), the inner screen support (18) is located outside the filter core rod (13) and inside the filter core inner screens (17), and the filter core inner screens (17) are arranged in close contact with the inner screen support (18).

10. A magnetic oil filter as claimed in claim 9, wherein the magnetic material is a ferrous material. Further comprising a drain valve seat (19) and a drain valve core (20), the drain valve seat (19) is arranged at the lower portion of one side of the shell (1) and is fixedly connected with the shell (1), the drain valve core (20) is arranged at the lower portion of the drain valve seat (19) and is fixedly connected with the drain valve seat (19), and the drain valve seat (19) and the drain valve core (20) penetrate through the shell (1).

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