Engine oil pan filter

By setting an annular fixing plate and a rotating strip plate between the upper and lower housings of the oil filter, and using magnetic blocks for adsorption and fixing, combined with an adjustable wrench for easy disassembly, the problem of inconvenient disassembly and assembly in the prior art is solved, and the operability and sealing performance are improved.

CN224049284UActive Publication Date: 2026-03-27WENZHOU HUI MOTORCYCLE PARTS CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-28
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

During manual disassembly and assembly of existing oil filters, the smooth surface of the filter housing makes it difficult to twist the upper and lower housings due to sweat or oil residue on the hands, causing inconvenience to the disassembly and assembly work.

Method used

An oil pan filter was designed, which uses a threaded connection between an upper shell and a lower shell. An annular fixing plate and a rotating strip plate are set on the shell. The rotating strip plate is fixed by magnetic block adsorption. It can be easily disassembled with an adjustable wrench. A double sealing ring is added to improve the sealing performance.

Benefits of technology

It enables a convenient disassembly process, avoids the inconvenience caused by sweaty or oily hands, improves the operability and sealing of disassembly and assembly, and enhances the practicality of the device.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224049284U_ABST
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Abstract

The utility model discloses an engine oil pan filter which comprises a filter shell, the filter shell comprises an upper shell body and a lower shell body which are mutually spliced in a threaded mode, a hexagonal fixing block is arranged at the bottom of the lower shell body, an annular fixing plate is arranged on the outer side surface of the upper shell body in a sleeved mode, an auxiliary assembly is arranged at the bottom of the annular fixing plate, and a limiting base is arranged on the outer side surface of the lower shell body. The auxiliary assembly comprises a hinge seat, a rotating long-strip plate is connected to the hinge seat, a storage groove is formed in one side of the rotating long-strip plate, a limiting insertion block and a spring are arranged in the storage groove, a limiting insertion groove is formed in the top of the limiting seat, a sliding groove is formed in the surface of the rotating long-strip plate, a sliding block is arranged in the sliding groove, and one side of the sliding block is connected with the limiting insertion block. A push button is arranged on the other side of the sliding block; according to the device, the upper shell and the lower shell can be conveniently disassembled by utilizing the hexagonal fixing block and the plurality of rotating strip plates, the disassembly operation is simple, convenient and labor-saving, and the situation that hands sweat or are adhered with oil stains, so that inconvenience is brought to the disassembly and assembly work is avoided.
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Description

TECHNICAL FIELD

[0001] The utility model relates to oil filter technology field especially relates to a machine oil sump filter. BACKGROUND

[0002] The oil filter is also called oil screen. It is used for removing impurities such as dust, metal particles, carbon deposits and soot particles in the oil, protecting the engine, and constantly mixing metal swarf, dust, carbon deposits oxidized under high temperature, and colloidal precipitates, water and the like into the lubricating oil during the operation of the engine. The function of the oil filter is to filter out these mechanical impurities and colloids, keep the lubricating oil clean, and prolong its service life. The oil filter should have the performance of strong filtering capacity, small flow resistance, long service life and the like.

[0003] The utility model discloses a kind of oil filters, the oil filter, the shell is divided into upper shell and lower shell two parts, when filter cotton is blocked by impurities and causes the filtering effect to be poor, can manually twist upper shell and lower shell, make upper shell and lower shell separate, replace filter cotton inside the shell, without replacing filter whole body, avoid filter other devices produce wave, but, inventor finds that the device has certain deficiency, the outer surface of shell is smooth, in the process of manually twisting upper shell and lower shell, worker personnel hand has sweat, or stickiness oil dirt, it will be difficult to twist upper shell and lower shell, bring inconvenience to dismounting work;For this, we design a kind of machine oil sump filter. SUMMARY

[0004] The utility model discloses a kind of machine oil sump filters, to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] An oil sump filter, comprising a shell, an oil outlet pipe and an oil inlet pipe connected to the top of the shell, and filter cotton arranged in the shell, wherein the shell comprises an upper shell and a lower shell which are screwed together, a hexagonal fixing block is arranged at the bottom center of the lower shell, an annular fixing plate is fixedly sleeved to the outer surface of the upper shell, four sets of auxiliary assemblies are arranged at the bottom of the annular fixing plate, four limiting seats corresponding to the auxiliary assemblies are arranged on the outer surface of the lower shell, each auxiliary assembly comprises a hinged seat fixedly installed at the inner side of the bottom of the annular fixing plate, a rotating long strip plate is rotatably connected to the hinged seat, a receiving groove is formed in the side surface of the rotating long strip plate away from the hinged seat, a limiting plug corresponding to the receiving groove is slidably arranged in the receiving groove, a spring is connected to the inner bottom wall of the receiving groove, the other end of the spring is connected to the surface of the limiting plug, a limiting slot is formed in the top of the limiting seat for embedding the bottom end of the limiting plug, a sliding groove is formed in the outer surface of the rotating long strip plate and communicated with the receiving groove, a sliding block corresponding to the sliding groove is slidably arranged in the sliding groove, one side of the sliding block is fixedly connected to the limiting plug, and the other side of the sliding block is provided with a push button.

[0007] As a preferred scheme of the utility model: four magnetic blocks B are embedded at the bottom outer side of the annular fixing plate, the four magnetic blocks B are one-to-one corresponding to the four hinged seats, the outer surface of the four rotating long strip plates is provided with a magnetic block A matched with the corresponding magnetic block B, and the magnetism of the magnetic block A is opposite to that of the magnetic block B.

[0008] As a further preferred scheme of the utility model: the bottom of the upper shell is provided with an upper connecting part integrally formed therewith, the top of the lower shell is provided with a lower connecting part integrally formed therewith, the lower connecting part can be threadedly sleeved outside the upper connecting part, the bottom of the upper connecting part is provided with a first sealing ring, and the top of the lower connecting part is provided with a second sealing ring.

[0009] As a further preferred scheme of the utility model: the four sets of auxiliary assemblies are equidistantly distributed along the outer circumferential direction of the annular fixing plate.

[0010] As a further preferred scheme of the utility model: a through hole is formed through the hexagonal fixing block.

[0011] As a further preferred scheme of the utility model: the push button is slidably arranged on the outer surface of the rotating long strip plate.

[0012] The utility model discloses a beneficial effect is: the device dismounts, first push button is pushed up, and then through the slider drive limit insert block is completely received into the receiving groove, make limit insert block and limit insert groove separate, can rotate long strip board to horizontal state to magnetic block A and magnetic block B contact and mutually adsorb, and then fix the position of rotating long strip board, then, the staff uses common activity wrench to clamp the hexagonal fixed block with one hand, and the other hand helps multiple unfolded rotating long strip board to facilitate force rotating upper casing, and make upper casing and lower casing rotating direction opposite, this process activity wrench also play the role of saving the effort, and the dismounting operation is simple and convenient, and it is more labor-saving, avoids the staff hand to have sweat, or stickiness dirt, and the situation that brings inconvenience to the dismounting work occurs, in addition, the device first sealing ring and second sealing ring and double -sealed setting, improve the leakproofness greatly, can effectively prevent oil leakage, improve practicality. BRIEF DESCRIPTION OF DRAWINGS

[0013] The accompanying drawings are included to provide a further understanding of the present application, and are incorporated in and constitute a part of this specification, illustrate embodiments of the present application and serve to explain the present application, and do not constitute a limitation of the present application. In the drawings:

[0014] Figure 1 It is the structure schematic diagram when the whole installation of the utility model;

[0015] Figure 2 It is the structure schematic diagram when the whole split of the utility model;

[0016] Figure 3 It is Figure 1 The enlarged view of A in Fig.

[0017] Figure 4 It is Figure 3 The enlarged view of B in Fig.

[0018] 1, upper casing;2, lower casing;3, annular fixed plate;4, hexagonal fixed block;5, through -hole;6, upper connecting portion;7, first sealing ring;8, lower connecting portion;9, second sealing ring;10, hinged seat;11, rotating long strip board;12, magnetic block A;13, magnetic block B;14, receiving groove;15, sliding slot;16, push button;17, slider;18, limit seat;19, limit insert groove;20, limit insert block;21, spring. DETAILED DESCRIPTION

[0019] The utility model will be further explained in detail in connection with the drawings. These drawings are all simplified schematic diagrams, and only illustrate the basic structure of the utility model in a schematic manner, therefore, it only shows the components related to the utility model.

[0020] Please refer to Figures 1-4In this embodiment of the utility model, an oil pan filter includes a housing, with an oil outlet pipe and an oil inlet pipe connected to the top of the housing. Filter cotton is provided inside the housing. The internal structure of the housing is prior art and will not be described in detail here. For details, please refer to the patent with authorization announcement number CN220226998U.

[0021] The housing includes an upper housing 1 and a lower housing 2 that are threaded together. A hexagonal fixing block 4 is provided at the bottom center of the lower housing 2. A through hole 5 is provided through the hexagonal fixing block 4. An annular fixing plate 3 is fixedly fitted on the outer surface of the upper housing 1. Four sets of auxiliary components are provided at the bottom of the annular fixing plate 3. The four sets of auxiliary components are evenly distributed along the outer circumference of the annular fixing plate 3. Four limiting seats 18 corresponding to the auxiliary components are provided on the outer surface of the lower housing 2.

[0022] The auxiliary components include a hinge seat 10 fixedly installed on the inner side of the bottom of the annular fixed plate 3. A rotating long strip plate 11 is rotatably connected to the hinge seat 10. A storage groove 14 is opened on the side surface of the rotating long strip plate 11 away from the hinge seat 10. A corresponding limiting block 20 is slidably arranged inside the storage groove 14. A spring 21 is connected to the inner bottom wall of the storage groove 14. The other end of the spring 21 is connected to the surface of the limiting block 20. A limiting slot 19 is opened on the top of the limiting seat 18 for the bottom end of the limiting block 20 to be inserted. A sliding groove 15 communicating with the storage groove 14 is opened on the outer surface of the rotating long strip plate 11. A corresponding slider 17 is slidably arranged inside the sliding groove 15. One side of the slider 17 is fixedly connected to the limiting block 20. A push button 16 is provided on the other side of the slider 17. The push button 16 is slidably arranged on the outer surface of the rotating long strip plate 11.

[0023] Four magnetic blocks B13 are embedded on the bottom outer side of the annular fixing plate 3. Each of the four magnetic blocks B13 corresponds to one of the four hinge seats 10. The outer surface of each of the four rotating long plates 11 is provided with a magnetic block A12 that cooperates with the corresponding magnetic block B13. The magnetism of magnetic block A12 is opposite to that of magnetic block B13. When the rotating long plate 11 rotates to a horizontal position, magnetic blocks A12 and B13 come into contact and attract each other, thus fixing the position of the rotating long plate 11. Figure 2 As shown, multiple unfolded rotating strips 11 serve as rotating handles, providing convenience for workers to hold and twist the upper housing 1.

[0024] The bottom of the upper shell 1 is provided with an upper connecting part 6 integrally formed therewith, the top of the lower shell 2 is provided with a lower connecting part 8 integrally formed therewith, the lower connecting part 8 can be threadedly sleeved on the outside of the upper connecting part 6, the bottom of the upper connecting part 6 is provided with a first sealing ring 7, and the top of the lower connecting part 8 is provided with a second sealing ring 9; during installation, the upper shell 1 and the lower shell 2 are manually twisted, the upper connecting part 6 is threadedly embedded in the inside of the lower connecting part 8, the first sealing ring 7 is in contact with the lower shell 2, and the second sealing ring 9 is in contact with the upper shell 1, so that the sealing performance is greatly improved, oil leakage is effectively prevented, and the practicability is high.

[0025] Specifically, when the device is disassembled, first push the push button 16 upwards, then drive the limiting plug 20 to be completely accommodated in the accommodation groove 14 through the sliding block 17, so that the limiting plug 20 is separated from the limiting slot 19, then rotate the long strip plate 11 to the horizontal state, at this time, the magnetic block A 12 and the magnetic block B 13 are in contact and mutually adsorbed, thereby fixing the position of the long strip plate 11; then, one hand of the worker clamps the hexagonal fixed block 4 by using a common adjustable wrench, the other hand rotates the upper shell 1 by the aid of the plurality of unfolded long strip plates 11, and the rotating directions of the upper shell 1 and the lower shell 2 are opposite, in this process, the adjustable wrench also plays a labor-saving role (principle of lever), the disassembly operation is simple and convenient, and labor is saved, and the situation that the worker's hands are sweaty or sticky with oil is avoided, thereby avoiding the inconvenience of disassembly work.

[0026] In addition, the hexagonal fixed block 4 is provided with a through hole 5 penetrating through, when in use, the adjustable wrench can not be used, and a rod-shaped tool with a diameter smaller than the through hole 5 can be used for disassembly operation, the rod-shaped tool is inserted into the through hole 5, and the flexibility of decoration is further improved.

[0027] The above is only a preferred specific embodiment of the utility model, but the protection scope of the utility model is not limited to this, any person skilled in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.

Claims

1. An oil sump filter, comprising a filter shell, an oil outlet pipe and an oil inlet pipe connected to the top of the filter shell, and filter cotton arranged in the filter shell; characterized in that: The shell comprises an upper shell (1) and a lower shell (2) which are screwed together, the bottom center of the lower shell (2) is provided with a hexagonal fixing block (4), the outer surface of the upper shell (1) is fixedly sleeved with an annular fixing plate (3), the bottom of the annular fixing plate (3) is provided with four sets of auxiliary assemblies, the outer surface of the lower shell (2) is provided with four limiting seats (18) corresponding to the auxiliary assemblies, the auxiliary assembly comprises a hinged seat (10) fixedly installed on the inner side of the bottom of the annular fixing plate (3), a rotating long strip plate (11) is rotatably connected to the hinged seat (10), a receiving groove (14) is formed in the side surface of the rotating long strip plate (11) away from the hinged seat (10), a limiting plug (20) corresponding to the receiving groove (14) is slidably arranged in the receiving groove (14), a spring (21) is connected to the inner bottom wall of the receiving groove (14), the other end of the spring (21) is connected to the surface of the limiting plug (20), the top of the limiting seat (18) is provided with a limiting slot (19) for embedding the bottom end of the limiting plug (20), a sliding groove (15) is formed in the outer side surface of the rotating long strip plate (11) and communicates with the receiving groove (14), a sliding block (17) corresponding to the sliding groove (15) is slidably arranged in the sliding groove (15), one side of the sliding block (17) is fixedly connected with the limiting plug (20), and the other side of the sliding block (17) is provided with a push button (16).

2. An oil pan filter according to claim 1, characterized in that: The bottom outer side of the annular fixing plate (3) is embedded with four magnetic blocks B (13), the four magnetic blocks B (13) correspond to the four hinged seats (10) one by one, the outer side surface of the four rotating long strip plates (11) is provided with a magnetic block A (12) matched with the corresponding magnetic block B (13), and the magnetism of the magnetic block A (12) is opposite to that of the magnetic block B (13).

3. An oil sump filter according to claim 2, wherein: The bottom of the upper shell (1) is provided with an upper connecting portion (6) integrally formed therewith, the top of the lower shell (2) is provided with a lower connecting portion (8) integrally formed therewith, the lower connecting portion (8) can be threadedly sleeved on the outside of the upper connecting portion (6), the bottom of the upper connecting portion (6) is provided with a first sealing ring (7), and the top of the lower connecting portion (8) is provided with a second sealing ring (9).

4. An oil pan filter according to claim 1, wherein: The four sets of auxiliary assemblies are distributed at equal intervals along the outer circumferential direction of the annular fixing plate (3).

5. An oil sump filter according to claim 4 wherein: A through hole (5) is formed through the hexagonal fixing block (4).

6. An oil sump filter according to claim 5 wherein: The push button (16) is slidably arranged on the outer side surface of the rotating long strip plate (11).

Citation Information

Patent Citations

  • Oil filter

    CN220226998U