Split type oil filter easy to disassemble and assemble

Abstract

The split type oil filter easy to disassemble and assemble comprises an outer shell, a filter cavity with an upward opening is formed in the outer shell, an oil filter element is installed in the filter cavity, and a bypass valve is installed at the bottom of the oil filter element. A filter cavity is formed in the outer shell, a connecting cover is detachably connected to the upper side of the filter cavity, a plurality of oil inlet holes are formed in the connecting cover, an oil outlet pipe connected with the engine oil filter element is arranged on the connecting cover, a check valve is installed between the connecting cover and the engine oil filter element, and a fixing mechanism used for fixing the connecting cover is arranged on the outer shell. A plurality of supporting arms are connected to the circumferential side wall of the outer shell in a sliding mode, and self-locking assemblies are arranged on the supporting arms. The connecting cover is fixed to the upper side of the filtering cavity through the fixing screw, so that the connecting cover is prevented from falling off from the outer shell, and when the outer shell needs to be recycled, a technician only needs to use a wrench to unscrew the fixing screw, and then the outer shell can be disassembled.

Description

Technical Field

[0001] The utility model relates to an oil filter, in particular to a split-type oil filter which is easy to disassemble and assemble. Background Technique

[0002] The oil filter is a key component in an automobile engine. Its main function is to filter out impurities in the oil, such as metal debris, dust, carbon deposits, etc., to protect the precision components of the engine from damage. The filtering capacity of the oil filter is limited. After long-term use, more and more impurities are adsorbed on the paper filter element, which is easy to cause blockage, resulting in a decrease in oil pressure and affecting the lubrication effect of each component of the engine. Therefore, when the vehicle is undergoing maintenance inspection, the oil and the oil filter will be replaced.

[0003] At present, the outer shells of commercially available oil filters are mostly integrally non-detachable metal materials. After the oil filter is replaced, it will be scrapped as a whole, resulting in waste of the reusable metal outer shell and being unfavorable to environmental protection. In view of the above problems, split-type oil filters have emerged on the market, which can split the metal outer shell body from the upper end cover, so that the metal outer shell body can be recycled separately. However, the existing split-type oil filters are usually screwed onto the installation platform. If screwed too tightly, it is easy to damage the sealing ring between the two parts of the outer shell. If screwed not tightly enough, the oil filter is easy to shake when the vehicle bumps, making the connection between the oil filter and the installation platform unstable.

[0004] In view of the above problems, we propose a split-type oil filter which is easy to disassemble and assemble. Content of the Utility Model

[0005] The utility model proposes a split-type oil filter which is easy to disassemble and assemble, and solves the above problems existing in the prior art during use.

[0006] The technical solution of the utility model is realized as follows: a split-type oil filter which is easy to disassemble and assemble, including an outer shell body. An upwardly open filtering cavity is provided in the outer shell body. An oil filter element is installed in the filtering cavity. A bypass valve is installed at the bottom of the oil filter element;

[0007] A connection cover is detachably connected to the upper side of the filtering cavity. A plurality of oil inlet holes are provided on the connection cover. An oil outlet pipe connected to the oil filter element is provided on the connection cover. A check valve is installed between the connection cover and the oil filter element. A fixing mechanism for fixing the connection cover is provided on the outer shell body;

[0008] A plurality of support arms are slidably connected to the circumferential side wall of the outer shell body. A self-locking component is provided on the support arm.

[0009] Furthermore, the fixing mechanism includes a plurality of fixing screws;

[0010] A ring seat is fixedly provided on the upper side of the outer casing. A ring groove with an upward opening is formed on the ring seat. A locking ring is fixedly connected to the circumferential side wall of the connecting cover, and the locking ring is embedded in the ring groove.

[0011] A plurality of through holes are formed through the bottom of the ring groove. A plurality of threaded holes are formed at the lower end of the locking ring. The fixing screw passes through the through hole and is threadedly connected to the threaded hole.

[0012] Further, an inner convex ring is fixedly connected to the outer curved surface of the ring groove, and an outer convex ring is fixedly connected to the curved surface of the locking ring. The inner convex ring presses on the outer convex ring.

[0013] Further, a sliding groove is formed in the outer casing below the ring seat. The support arm includes a base. A sliding ring is fixedly connected to the inner side wall of the base. The support arm is slidably connected to the sliding groove through the sliding ring. A compression spring is connected between the top of the sliding groove and the base.

[0014] Further, the self-locking assembly includes a locking screw.

[0015] A plurality of second through holes are formed in the base. A second threaded hole is formed in the nut of the fixing screw. The locking screw passes through the second through hole and is threadedly connected to the second threaded hole.

[0016] Further, an anti-detachment ring is fixedly connected to the locking screw.

[0017] Further, a sealing ring is provided between the contact surface of the oil outlet pipe and the oil filter element.

[0018] In summary, the beneficial effects of the present utility model are as follows:

[0019] The fixing screw fixes the connecting cover to the upper side of the filter cavity, thereby preventing the connecting cover from falling off the outer casing. When the outer casing needs to be recycled, the technician only needs to use a wrench to loosen the fixing screw to remove the outer casing.

[0020] The support arm can prevent the one-piece detachable and installable oil filter from shaking during the bumpy process of the vehicle, resulting in the loosening of the connection between the connecting cover and the installation platform. Description of the Drawings

[0021] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0022] Figure 1 Schematic diagram of the overall structure of the present invention;

[0023] Figure 2 Cross-sectional view of the present invention;

[0024] Figure 3 Schematic diagram of the structure of the present invention after removing the support arm;

[0025] Figure 4 For Figure 3 Schematic diagram of the structure after removing the fixing screw;

[0026] Figure 5 Schematic diagram of the structure of the support arm in the present invention;

[0027] Figure 6 Schematic diagram of the structure of the connection cover in the present invention.

[0028] Reference numerals in the figure: 11, outer housing; 12, filter chamber; 13, oil filter element; 14, connection cover; 15, support arm; 16, bypass valve; 17, check valve; 18, fixing screw; 19, ring seat; 20, ring groove; 21, inner convex ring; 22, locking ring; 23, outer convex ring; 24, perforation; 25, threaded hole; 26, sliding groove; 27, base; 28, sliding ring; 29, compression spring; 30, locking screw; 31, second perforation; 32, second threaded hole; 33, anti-detachment ring; 34, oil inlet hole; 35, oil outlet pipe. Detailed implementation manners

[0029] The following will combine the accompanying Figures 1-6 drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, rather than all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present invention.

[0030] Embodiment:

[0031] Such as Figures 1 to 6As shown, a split-type oil filter that is easy to disassemble and assemble includes a housing 11. An upwardly open filter chamber 12 is provided inside the housing 11. An oil filter element 13 for filtering impurities in the oil is installed in the filter chamber 12. A bypass valve 16 is installed at the bottom of the oil filter element 13.

[0032] A connection cover 14 is detachably connected to the upper side of the filter chamber 12. A plurality of oil inlet holes 34 are provided on the connection cover 14. An oil outlet pipe 35 connected to the oil filter element 13 is provided on the connection cover 14. A check valve 17 is installed between the connection cover 14 and the oil filter element 13. After the oil enters the filter chamber 12 through the oil inlet holes 34, it passes through the oil filter element 13 and the impurities are filtered out, and then it re-enters the oil lubrication system. In order to prevent the unfiltered oil from leaking through the connection between the oil filter element 13 and the check valve 17, a sealing ring is provided between the contact surface of the oil outlet pipe 35 and the oil filter element 13.

[0033] A fixing mechanism for fixing the connection cover 14 is provided on the housing 11. The fixing mechanism includes a plurality of fixing screws 18. The specific connection method of the fixing mechanism is as follows: A ring seat 19 is fixedly provided on the upper side of the housing 11. An upwardly open ring groove 20 is provided in the ring seat 19. A locking ring 22 is fixedly connected to the circumferential side wall of the connection cover 14. The locking ring 22 is embedded in the ring groove 20. A plurality of through holes 24 are provided through the bottom of the ring groove 20. A plurality of threaded holes 25 are provided at the lower end of the locking ring 22. The fixing screws 18 pass through the through holes 24 and are threadedly connected to the threaded holes 25. The connection cover 14 is fixed to the upper side of the filter chamber 12 through the above structure to prevent the connection cover 14 from separating from the housing 11.

[0034] In order to further strengthen the connection relationship between the locking ring 22 and the ring groove 20 and prevent the housing 11 from separating from the connection cover 14, an inner convex ring 21 is integrally formed on the outer curved surface of the ring groove 20. An outer convex ring 23 is fixedly connected to the curved surface of the locking ring 22. The inner convex ring 21 presses on the outer convex ring 23.

[0035] The installation process of the connection cover 14 is as follows: the technician first embeds the locking ring 22 into the annular groove 20, and squeezes the outer convex ring 23 to make it pass over the inner convex ring 21, so that the inner convex ring 21 is pressed on the upper side of the outer convex ring 23, and the connection cover 14 is initially fixed by friction force, and then the technician tightens the fixing screw 18 into the threaded hole 25 (it should be noted here that the fixing screw 18 is an outer hexagonal screw, and the technician tightens or loosens the fixing screw 18 with a wrench), thereby further fixing the connection cover 14 to prevent the outer shell 11 from separating from the connection cover 14;

[0036] When a technician removes the split-type easily detachable oil filter and wants to recycle the outer shell 11 , the outer shell 11 can be separated from the connecting cover 14 by simply loosening the fixing screw 18 with a wrench.

[0037] In order to strengthen the connection between the connecting cover 14 and the mounting platform (not shown) and prevent the split-type easily detachable oil filter from vibrating and loosening due to the bumps of the car, thereby causing oil leakage, the circumferential side wall of the outer shell 11 is connected with a plurality of support arms 15. When the split-type easily detachable oil filter is connected to the mounting platform, the support arms 15 are pressed on the mounting platform to prevent the split-type easily detachable oil filter from vibrating relative to the bumps of the car, thereby preventing the split-type easily detachable oil filter from rotating relative to the mounting platform and causing the connection to become loose. In order to further avoid the above-mentioned problem, the support arm 15 is provided with a self-locking component to prevent it from moving during the bumps of the car.

[0038] The specific connection method of the support arm 15 is as follows: the outer shell 11 is provided with a sliding groove 26 below the ring seat 19, and each of the support arms 15 is commonly connected to a base 27, and a sliding ring 28 is fixedly connected to the inner side wall of the base 27. The support arm 15 is connected to the sliding groove 26 by sliding up and down through the sliding ring 28, and a compression spring 29 is connected between the top of the sliding groove 26 and the sliding ring 28.

[0039] The self-locking assembly includes a locking screw 30 , a plurality of No. 2 through holes 31 are formed on the base 27 , a No. 2 threaded hole 32 is formed on the nut of the fixing screw 18 , and the locking screw 30 passes through the No. 2 through holes 31 and is threadedly connected in the No. 2 threaded hole 32 .

[0040] The installation process of the support arm 15 is as follows: After a technician connects the one-piece detachable oil filter to the installation platform, the technician pushes the support arm 15 in the direction towards the installation platform until the support arm 15 presses against the installation platform. Subsequently, the locking screw 30 is screwed to be threadedly connected to the second threaded hole 32, and the position of the support arm 15 can be fixed. The support arm 15 abuts against the installation platform to prevent the one-piece detachable oil filter from shaking and rotating relatively, resulting in oil leakage.

[0041] When it is necessary to disassemble the one-piece detachable oil filter, the technician loosens the locking screw 30. Under the action of the compression spring 29, the support arm 15 no longer presses against and moves away from the installation platform. Then, by rotating the one-piece detachable oil filter, it can be separated from the installation platform. Subsequently, the technician uses a wrench to loosen the fixing screw 18, and the outer shell 11 can be separated from the connection cover 14.

[0042] Moreover, an anti-detachment ring 33 is fixedly connected to the locking screw 30. With the above structure, after the technician loosens the locking screw 30, the locking screw 30 leaves the second threaded hole 32 but will not fall off from the second through hole 31, thereby preventing the locking screw 30 from falling off and being lost from the second through hole 31 when the technician disassembles the one-piece detachable oil filter.

[0043] At the same time, it should be noted that the terms used in the present invention, such as "front", "rear", "vertical", "horizontal", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the protection scope of the present invention.

[0044] The above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A split type easily disassembled oil filter, comprising an outer shell (11), characterized in that: A filter chamber (12) with an upward opening is provided in the outer shell (11), an oil filter element (13) is installed in the filter chamber (12), and a bypass valve (16) is installed at the bottom of the oil filter element (13); A connecting cover (14) is detachably connected to the upper side of the filter chamber (12); a plurality of oil inlet holes (34) are formed on the connecting cover (14); an oil outlet pipe (35) connected to the oil filter element (13) is provided on the connecting cover (14); a check valve (17) is installed between the connecting cover (14) and the oil filter element (13); and a fixing mechanism for fixing the connecting cover (14) is provided on the outer shell (11); A plurality of support arms (15) are slidably connected to the circumferential side wall of the outer shell (11), and a self-locking component is provided on the support arm (15).

2. The split type easily disassembled oil filter according to claim 1, characterized in that: The fixing mechanism comprises a plurality of fixing screws (18); A ring seat (19) is fixedly provided on the upper side of the outer shell (11), and a ring groove (20) with an opening facing upward is formed on the ring seat (19); a locking ring (22) is fixedly connected to the circumferential side wall of the connecting cover (14), and the locking ring (22) is embedded in the ring groove (20); The bottom of the annular groove (20) is provided with a plurality of through holes (24), the lower end of the locking ring (22) is provided with a plurality of threaded holes (25), and the fixing screw (18) passes through the through holes (24) and is threadedly connected in the threaded holes (25).

3. The split type easily disassembled oil filter according to claim 2 is characterized in that: An inner convex ring (21) is fixedly connected to the outer curved surface of the annular groove (20), an outer convex ring (23) is fixedly connected to the curved surface of the locking ring (22), and the inner convex ring (21) is pressed against the outer convex ring (23).

4. The split type easily detachable oil filter according to claim 2, characterized in that: The outer shell (11) is provided with a sliding groove (26) below the ring seat (19); the support arm (15) includes a base (27); a sliding ring (28) is fixedly connected to the inner side wall of the base (27); the support arm (15) is slidably connected to the sliding groove (26) via the sliding ring (28); and a compression spring (29) is connected between the top of the sliding groove (26) and the base (27).

5. The split type easily detachable oil filter according to claim 4, characterized in that: The self-locking component comprises a locking screw (30); The base (27) is provided with a plurality of No. 2 through holes (31), the nut of the fixing screw (18) is provided with a No. 2 threaded hole (32), and the locking screw (30) passes through the No. 2 through holes (31) and is threadedly connected in the No. 2 threaded hole (32).

6. The split type easily detachable oil filter according to claim 5, characterized in that: An anti-slip ring (33) is fixedly connected to the locking screw (30).

7. The split type easily disassembled oil filter according to claim 1, characterized in that: A sealing ring is provided between the contact surface between the oil outlet pipe (35) and the oil filter element (13).

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