CN216691211U - Low-maintenance engine oil filter - Google Patents

Abstract

The utility model discloses a low-maintenance engine oil filter which comprises a shell, wherein an upper end cover is screwed on the upper end of the shell through threads, a lower end cover is screwed on the lower end of the shell through threads, a thread groove is formed in the lower end of the upper end cover, a filter element is screwed in the thread groove, an oil inlet is formed in the middle of the upper end cover, a primary filter is screwed in the oil inlet, an oil outlet is formed in the middle of the lower end cover, a filter cover is screwed on the upper end of the lower end cover through threads and is positioned right above the oil outlet, and an auxiliary mechanism is further arranged at the upper end of the filter cover.

Description

Low-maintenance engine oil filter

Technical Field

The utility model relates to the technical field of oil filters, in particular to a low-maintenance oil filter.

Background

The oil filter is also called as an oil grid. The cleaning agent is used for removing impurities such as dust, metal particles, carbon precipitates, soot particles and the like in the engine oil and protecting an engine. The oil filter has a full flow type and a split flow type. The full-flow filter is connected in series between the oil pump and the main oil gallery, so that all lubricating oil entering the main oil gallery can be filtered. The shunting type cleaner is connected with the main oil duct in parallel, only part of lubricating oil sent by the oil pump is filtered, and the conventional oil filter has poor filtering effect, short maintenance period and difficult disassembly during maintenance, thereby reducing the maintenance efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a low-maintenance engine oil filter to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a low oil cleaner that maintains, includes the casing, casing upper end screw thread is equipped with the upper end cover soon, casing lower extreme screw thread is equipped with the lower extreme soon, the thread groove has been seted up to the upper end cover lower extreme, the filter core is equipped with soon to the thread groove internal thread, the oil inlet has been seted up to upper end cover upper end intermediate position, the oil inlet internal thread is equipped with the primary filter soon, the oil-out has been seted up to lower extreme intermediate position of lower extreme, the filter mantle is equipped with soon to lower end cover upper end still screw thread, the filter mantle is located directly over the oil-out, the auxiliary mechanism is still installed to the filter mantle upper end.

Preferably, the filter core is multilayer structure, including the metal filter screen layer of inboard, folding filter paper layer in the middle of and the non-woven fabrics filter layer in the outside, the metal filter screen layer outside is fixed with folding filter paper layer, the folding filter paper layer outside is fixed with the non-woven fabrics filter layer.

Preferably, just, imitate the filter and including just imitating the cartridge filter, just imitate cartridge filter upper end integrated into one piece and have the border, the border outside still is provided with the external screw thread, the internal thread looks adaptation that sets up in external screw thread and the oil inlet, just imitate cartridge filter internal fixation and have the permanent magnet, still be fixed with the mount that is used for fixed permanent magnet in the border.

Preferably, the primary filter cartridge is in the shape of an inverted round table.

Preferably, the auxiliary mechanism comprises a plurality of groups of auxiliary telescopic rods fixed at the upper end of the filter cover, an auxiliary seat is fixed at the telescopic end of each auxiliary telescopic rod, an auxiliary spring is further sleeved on each auxiliary telescopic rod, and two ends of each auxiliary spring are respectively connected with the lower end of the auxiliary seat and the upper end of the filter cover in an abutting mode.

Preferably, sealing rings are fixed between the edge and the upper end cover, between the upper end cover and the shell, and between the lower end cover and the shell.

Compared with the prior art, the utility model has the beneficial effects that: the primary filter can effectively filter metal impurities in the engine oil, prevent the metal impurities from damaging the filter element and further prolong the maintenance period; through setting up the filter core and the filter mantle of just imitating filter cooperation multilayer structure, can effectively improve the filter effect. The engine oil filter has a simple structure, can improve the filtering effect, prolongs the maintenance period of the engine oil filter, and brings convenience to the technical field of the engine oil filter.

Drawings

FIG. 1 is a schematic cross-sectional front view of a low maintenance oil filter;

fig. 2 is an enlarged cross-sectional structural diagram of a filter element of a low-maintenance oil filter.

In the figure: 1-shell, 11-upper end cover, 12-lower end cover, 2-primary filter, 21-edge, 22-primary filter cylinder, 23-permanent magnet, 24-fixing frame, 3-filter core, 31-metal filter screen layer, 32-folded filter paper layer, 33-non-woven fabric filter layer, 4-auxiliary mechanism, 41-auxiliary seat, 42-auxiliary spring, 43-auxiliary telescopic rod, 5-oil outlet, 6-filter cover and 7-sealing ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1: referring to fig. 1-2, a low-maintenance oil filter comprises a housing 1, wherein an upper end cover 11 is screwed on the upper end of the housing 1, a lower end cover 12 is screwed on the lower end of the housing 1, a thread groove is formed in the lower end of the upper end cover 11, a filter element 3 is screwed on the thread groove, an oil inlet is formed in the middle of the upper end cover 11, a primary filter 2 is screwed on the oil inlet, an oil outlet 5 is formed in the middle of the lower end cover 12, a filter cover 6 is screwed on the upper end of the lower end cover 12, the filter cover 6 is located right above the oil outlet 5, and an auxiliary mechanism 4 is further mounted on the upper end of the filter cover 6.

The filter element 3 is of a multi-layer structure and comprises an inner metal filter screen layer 31, a middle folded filter paper layer 32 and an outer non-woven fabric filter layer 33, wherein the folded filter paper layer 32 is fixed on the outer side of the metal filter screen layer 31, and the non-woven fabric filter layer 33 is fixed on the outer side of the folded filter paper layer 32.

Through setting up multilayer structure's filter core 3, can effectively improve the filter effect, can prolong the life of filter core simultaneously, metal filter screen layer 31 can protect filter core 3, and folding filter paper layer 32 can increase the area of contact of filter paper and machine oil for filter speed, non-woven fabrics filter layer 33 can further improve the filter effect.

Just imitate filter 2 including just imitating cartridge filter 22, just imitate cartridge filter 22 upper end integrated into one piece has edgewise 21, the edgewise 21 outside still is provided with the external screw thread, the internal thread looks adaptation that sets up in external screw thread and the oil inlet, just imitate cartridge filter 22 internal fixation has permanent magnet 23, still be fixed with the mount 24 that is used for fixed permanent magnet 23 in the edgewise 21.

The primary filter cartridge 22 is in the shape of an inverted truncated cone.

Through the first cartridge filter 22 of imitating that sets up the round platform shape, be convenient for filter machine oil, simultaneously through setting up mount 24, can improve the fixed stability of permanent magnet 23, permanent magnet 23 can adsorb the partial metallic impurity in the machine oil, prevents that it from causing the damage to filter core 3 to the maintenance cycle of extension filter.

The auxiliary mechanism 4 comprises a plurality of groups of auxiliary telescopic rods 43 fixed at the upper end of the filter cover 6, an auxiliary seat 41 is fixed at the telescopic end of each auxiliary telescopic rod 43, an auxiliary spring 42 is further sleeved on each auxiliary telescopic rod 43, and two ends of each auxiliary spring 42 are respectively connected with the lower end of each auxiliary seat 41 and the upper end of the filter cover 6 in an abutting mode.

After the installation is accomplished, supplementary seat 41 is contradicted with the bottom surface of filter core 3 and is connected, and through setting up supplementary machine oil 4 this moment, can prevent effectively that the vehicle from vibrating the influence to filter core 3 when moving, prevents that filter core 3 is not hard up.

Example 2: referring to fig. 1-2, a low maintenance oil filter is different from embodiment 1 in that it further includes a sealing ring 7, and the sealing ring 7 is fixed between the rim 21 and the upper end cap 11, between the upper end cap 11 and the housing 1, and between the lower end cap 12 and the housing 1.

Through setting up sealing washer 7, can effectively improve oil cleaner's leakproofness, reduce the risk of oil leak

The working principle of the utility model is as follows: during installation, firstly, the filter element 3 is screwed in a thread groove at the lower end of the upper cover plate 11 by threads, then the filter cover 6 is screwed at the upper end of the lower cover plate 12, next, the lower cover plate 12 is screwed at the lower end of the shell 1 by threads, then, the upper cover plate 11 is screwed at the upper end of the shell 1 by threads, after the installation is finished, the lower end of the filter element 3 is in interference connection with the auxiliary mechanism 6 at the upper end of the filter cover 6, the influence of vibration on the filter element 3 when a vehicle runs can be effectively prevented, the filter element 3 is prevented from loosening, when in work, engine oil enters the filter element 3 from the primary filter cylinder 22 arranged on the upper cover plate 11, most metal impurities in the engine oil are adsorbed by the permanent magnet 23, primary filtration is finished by the primary filter cylinder 22, then, the filter element 3 is filtered again, wherein the metal filter net layer 31 can protect the filter element 3, and the folded filter paper layer 32 can increase the contact area of the filter paper and the engine oil, accelerate the filter speed, non-woven fabrics filter layer 33 can further improve the filter effect, and machine oil discharge filter core 3 can be discharged by oil-out 5 after filtering through filter mantle 6 at last. Carry out prefilter through just imitating cartridge filter 22 cooperation permanent magnet 23 to machine oil, can effectively protect filter core 3 to the life of extension filter core 3 reduces its maintenance frequency.

In the present invention, terms such as "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "side", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only terms of relationships determined for convenience of describing structural relationships of the parts or elements of the present invention, and are not intended to refer to any parts or elements of the present invention, and are not to be construed as limiting the present invention.

Claims (6)

1. A low maintenance oil filter, includes casing (1), its characterized in that: the improved filter is characterized in that an upper end cover (11) is arranged on the upper end of the shell (1) in a threaded manner, a lower end cover (12) is arranged on the lower end of the shell (1) in a threaded manner, a thread groove is formed in the lower end of the upper end cover (11), a filter element (3) is arranged on the thread groove in a threaded manner, an oil inlet is formed in the middle position of the upper end cover (11), a primary filter (2) is arranged on the inner thread of the oil inlet in a threaded manner, an oil outlet (5) is formed in the middle position of the lower end cover (12), a filter cover (6) is arranged on the upper end of the lower end cover (12) in a threaded manner, the filter cover (6) is located over the oil outlet (5), and an auxiliary mechanism (4) is further arranged on the upper end of the filter cover (6).

2. A low maintenance oil filter according to claim 1 wherein: the filter element (3) is of a multilayer structure and comprises an inner metal filter screen layer (31), a middle folding filter paper layer (32) and an outer non-woven fabric filter layer (33), wherein the outer side of the metal filter screen layer (31) is fixed with the folding filter paper layer (32), and the outer side of the folding filter paper layer (32) is fixed with the non-woven fabric filter layer (33).

3. A low maintenance oil filter according to claim 1 wherein: the primary filter (2) comprises a primary filter cartridge (22), the upper end of the primary filter cartridge (22) is integrally formed to be provided with a rim (21), an external thread is further arranged on the outer side of the rim (21), the external thread is matched with an internal thread arranged in the oil inlet, a permanent magnet (23) is fixed in the primary filter cartridge (22), and a fixing frame (24) used for fixing the permanent magnet (23) is further fixed in the rim (21).

4. A low maintenance oil filter according to claim 3 wherein: the primary filter cartridge (22) is in the shape of an inverted round table.

5. The low maintenance oil filter of claim 1 wherein: the auxiliary mechanism (4) is including fixing multiunit auxiliary telescopic rod (43) in filter mantle (6) upper end, auxiliary seat (41) are fixed to the flexible end of auxiliary telescopic rod (43), still the cover is equipped with auxiliary spring (42) on auxiliary telescopic rod (43), the both ends of auxiliary spring (42) are contradicted with auxiliary seat (41) lower extreme, filter mantle (6) upper end respectively and are connected.

6. A low maintenance oil filter according to claim 3 wherein: and sealing rings (7) are fixed between the edge (21) and the upper end cover (11), between the upper end cover (11) and the shell (1), and between the lower end cover (12) and the shell (1).

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