CN217152066U - Engine oil filter - Google Patents

Abstract

The utility model provides an oil filter, filter the seat and the upper cover that the lid closed under on straining the seat including the ascending lower of opening, still be equipped with the connecting seat in straining the seat under, the connecting seat is divided into upper and lower two parts with the cavity that the seat formed is strained down to the upper cover, and wherein, the below of connecting seat is for straining the oil pocket down, and the top of connecting seat is for straining the oil pocket, is equipped with the filter core in the lower oil strain pocket, and it strains to be equipped with the rotor in the oil pocket to strain. The bottom that filters the seat under gets into down the oil strain intracavity from the bottom of straining the seat under, and partly gets back to lubricating system after filtering through the filter core, and another part machine oil passes the connecting seat, gets into the rotor of top and strains in, gets back to lubricating system after the rotor is strained and is filtered. When the engine oil containing impurities flows through the engine oil filter each time, a part of the engine oil is filtered more efficiently by the rotor filter, and the engine oil which is purer than the filter element is obtained, so that the service life of the engine oil filter is prolonged.

Description

Engine oil filter

Technical Field

The utility model relates to an engine oil filter module among the automobile engine lubricating system specifically is oil cleaner.

Background

The engine oil in the engine is continuously delivered to the surface of each moving part to form a lubricating oil film for lubrication, so that the frictional resistance between the relatively moving parts in the engine is reduced. In the working process of the engine, metal abrasive dust can be generated due to friction among all moving parts, and meanwhile impurities in the air and oxides of the engine oil can be mixed into the engine oil, so that the impurities in the engine oil are increased gradually. The oil filter is required to filter the engine oil containing impurities, and the filtered engine oil is fed into the lubricating system again.

The filter element that present oil cleaner mainly used contains filter paper filters machine oil, but filter paper uses for a long time after, can block up, needs often to change the filter element.

SUMMERY OF THE UTILITY MODEL

The utility model provides an oil filter to the not enough of prior art to prolong the life of filter.

In order to achieve the above object, the utility model provides a following technical scheme:

an oil filter comprising:

the top of the lower filtering seat is provided with an opening and comprises a lower filtering oil cavity, the bottom of the lower filtering seat is provided with an oil inlet channel and a first oil outlet channel, and the oil inlet channel and the first oil outlet channel are both communicated with the lower filtering oil cavity;

the upper cover is covered on the lower filtering seat and is in sealing fit with the lower filtering seat;

the connecting base is arranged in the lower filtering base and is in sealing fit with the inner wall of the lower filtering base, an upper filtering oil cavity is formed between the upper cover and the connecting base, a vertical hollow fixing shaft penetrates through the connecting base, a connecting oil duct is arranged on the fixing shaft, and engine oil in the lower filtering oil cavity enters the upper filtering oil cavity through a connecting channel;

the filter element is fixed in the lower oil filtering cavity, and an oil outlet at the bottom end of the filter element is communicated with the first oil outlet channel and used for preliminarily filtering the engine oil; and

the rotor filter is positioned in the upper oil filtering cavity and is rotationally arranged on the fixed shaft;

and the lower filtering seat is also provided with a second oil outlet channel, and the second oil outlet channel is communicated with the upper filtering oil cavity.

Preferably, the top of the filter element is buckled at the bottom of the connecting seat, and the bottom of the filter element is embedded into the first oil outlet channel.

Preferably, a central tube is further arranged in the filter element, an abutting spring is installed in the first oil outlet channel, the top end of the central tube abuts against the top of the filter element, and the bottom of the central tube abuts against the abutting spring.

Preferably, the upper cover is provided with external threads, the inner wall of the lower filter base is provided with internal threads, and the upper cover is connected to the lower filter base through threads.

Preferably, a first sealing ring is further arranged between the upper cover and the lower filter base.

Preferably, a short shaft is arranged between the top of the rotor filter and the upper cover, the top of the short shaft is connected to the inner wall of the upper cover, and the bottom of the short shaft penetrates through the rotor filter.

Preferably, the fixed shaft is provided with a plurality of annular grooves which are vertically arranged, and the connecting seat is provided with a plurality of annular bulges which are correspondingly attached to the annular grooves.

Preferably, a second sealing ring is arranged between the connecting seat and the lower filtering seat.

Compared with the prior art, the utility model has the advantages of:

(1) the rotor filter is combined with the fixed filter, the fixed filter primarily filters the engine oil, the rotor filter filters a small amount of engine oil more deeply, the filtering effect of the engine oil is improved, and the service life of the filter is prolonged;

(2) the upper cover is fixed on the lower filter base through threads and sealed by the first sealing ring, so that a good sealing effect is obtained;

(3) through the setting of connecting seat, the top of the fixed filter core in bottom of connecting seat, the top support rotor of connecting seat strains, plays the effect of connecting.

Drawings

Fig. 1 is an overall schematic view of an oil filter according to an embodiment of the present invention;

FIG. 2 is a front view of an oil filter according to an embodiment of the present invention;

FIG. 3 is a top view of an oil filter according to an embodiment of the present invention;

FIG. 4 is a sectional view taken along line A-A of FIG. 3;

FIG. 5 is a sectional view taken along line B-B of FIG. 3;

fig. 6 is a sectional view taken along line C-C in fig. 3.

In the figure: 1. a lower filter base; 2. an upper cover; 3. a connecting seat; 4. a filter element; 5. filtering by a rotor; 11. a lower oil filtering cavity; 12. a first oil outlet channel; 13. an oil inlet channel; 14. a safety valve; 15. a bypass valve; 16. a second seal ring; 17. a second oil outlet channel; 18. an internal thread; 21. an upper oil filtering cavity; 22. a minor axis; 23. an external thread; 24. a first seal ring; 31. a second jaw; 32. a fixed shaft; 321. connecting the oil duct; 322. an annular groove; 33. an annular projection; 41. a first jaw; 42. a central tube; 43. abutting the spring.

Detailed Description

The following non-limiting detailed description of the present invention is provided in connection with the preferred embodiments and accompanying drawings. In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise. The embodiments described below by referring to the drawings are exemplary intended for explaining the present invention, and should not be construed as limiting the present invention.

Referring to fig. 1, fig. 2, fig. 3 and fig. 4, the utility model discloses an oil filter, filter seat 1 and lid under including the opening is ascending and close upper cover 2 on filtering seat 1 down, upper cover 2 is the bowl form of back-off, still is equipped with connecting seat 3 in filtering seat 1 down, and connecting seat 3 and the sealed cooperation of the inner wall of filtering seat 1 down form between connecting seat 3 and the upper cover 2 and strain oil pocket 21 on, and connecting seat 3 and form down between the filtering seat 1 and strain oil pocket 11 down. Be provided with the filter core 4 to the preliminary filtration of machine oil in straining oil pocket 11 down, be equipped with the rotor in straining oil pocket 21 and strain 5, a small amount of machine oil is strained from connecting seat 3 upflow and is got into the rotor and strain 5 in, strains 5 further filtration through the rotor. The filter element 4 mainly filters through filter paper, about 9 engine oil flows out from the lower part of the lower filter base 1 after being filtered through the filter element 4, and the rest engine oil upwards filters through the rotor filter 5 and then flows out from an oil outlet on the upper oil filtering cavity 21. Because the filtering effect of the rotor filter 5 is better than that of filter paper, about 1 part of engine oil passing through the engine oil filter is filtered by the rotor filter 5, so that the service life of the engine oil is longer.

Referring to fig. 4, 5 and 6, the lower filter base 1 is cylindrical, the diameter of the lower filter base gradually increases from bottom to top, a first oil outlet channel 12 is arranged in the middle of the bottom surface of the lower filter base 1, an oil inlet channel 13 is further arranged at the bottom of the lower filter base 1, and a bypass valve 15 and a safety valve 14 are further arranged. When the filter element 4 is blocked, so that the oil pressure in the lower oil filtering cavity 11 is overlarge, the safety valve 14 is opened, and the unfiltered engine oil enters the lubricating system again through the safety valve 14, so that the abrasion damage of all parts in the engine is avoided. When the oil filter needs to be cleaned, the bypass valve 15 is opened to allow the oil to flow out, and cleaning is performed.

A second sealing ring 16 is arranged between the connecting seat 3 and the lower filtering seat 1, so that the engine oil can not flow upwards through the gap between the connecting seat 3 and the lower filtering seat 1. The top of filter core 4 is equipped with a plurality of first jack catchs 41, and the bottom of connecting seat 3 is equipped with a plurality of second jack catchs 31, first jack catch 41 and second jack catch 31 one-to-one, and the mode lock of buckle is passed through at the bottom of connecting seat 3 in the top of filter core 4. The bottom of the filter element 4 is open, a flange is formed at the opening, the flange is embedded into the first oil outlet channel 12, and a sealing ring is arranged between the flange and the first oil outlet channel 12 to form sealing, so that the bottom of the filter element 4 is fixed.

Referring to fig. 4, a central tube 42 is further disposed in the middle of the filter element 4, the bottom end of the central tube 42 penetrates through an opening in the bottom of the filter element 4 and is arranged in the first oil outlet channel 12 in a penetrating manner, a butting spring 43 is further disposed in the first oil outlet channel 12, the butting spring 43 butts against the bottom end of the central tube 42, the butting spring 43 applies upward elastic force to the central tube 42, the top of the central tube 42 butts against the top in the filter element 4, and therefore the central tube 42 is fixed, and the central tube 42 and the first oil outlet channel 12 are sealed through a sealing ring. When the engine oil containing impurities enters the lower oil filtering cavity 11 from the oil inlet channel 13, the engine oil containing impurities passes through the filter paper on the filter element 4, enters the filter element 4, flows downwards from the oil inlet window on the central tube 42, enters the first oil outlet channel 12, flows outwards, and returns to the lubricating system.

Referring to fig. 4, a vertical fixing shaft 32 is fixed in the middle of the connecting seat 3, the fixing shaft 32 is hollow, a connecting oil passage 321 is provided in the fixing shaft 32, and engine oil in the lower oil filtering chamber 11 can enter the upper oil filtering chamber 21 through the connecting oil passage 321. Specifically, a plurality of annular grooves 322 which are arranged side by side up and down are arranged on the fixing shaft 32, a plurality of annular protrusions 33 corresponding to the positions of the annular grooves 322 are arranged on the connecting seat 3, and the bottom end of the fixing shaft 32 is fixed through the matching of the annular protrusions 33 and the annular grooves 322.

Referring to fig. 1 and 4, the rotor filter 5 is a conventional rotor filter 5 cartridge 4 that filters oil by centrifugal force, and the filtered oil is located in an upper oil-filtering chamber 21. And a second oil outlet channel 17 is arranged on the side wall of the lower filtering seat 1, the second oil outlet channel 17 is tubular, the second oil outlet channel 17 is communicated with an upper filtering oil cavity 21, and the filtered engine oil is discharged outwards through the second oil outlet channel 17 and returns to a lubricating system.

Referring to fig. 4, a short shaft 22 is further disposed between the top of the rotor filter 5 and the upper cover 2, the short shaft 22 connects the rotor filter 5 and the upper cover 2, specifically, the bottom end of the short shaft 22 penetrates the top of the rotor filter 5, the bottom end of the short shaft 22 penetrates the upper cover 2, and the axial line of the short shaft 22 is consistent with the axial line of the fixed shaft 32. The rotor filter 5 is rotatable about a fixed shaft 32 and the stub shaft 22 serves to secure the upper end of the rotor filter 5.

Referring to fig. 4, the outer wall of the upper cover 2 is provided with an external thread 23 at a position near the bottom, and an internal thread 18 is provided at a position corresponding to the lower filter base 1, and the upper cover 2 is fixed to the lower filter base 1 by a threaded connection. A first sealing ring 24 is also arranged between the upper cover 2 and the lower filter base 1, and the first sealing ring 24 is positioned above the threaded connection part.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the concept of the present invention, several variations and modifications can be made, which all fall within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (8)

1. An oil filter, characterized in that: the method comprises the following steps:

the oil filter comprises a lower filter base (1) and a lower filter oil chamber (11), wherein the top of the lower filter base (1) is provided with an opening, the bottom of the lower filter base (1) is provided with an oil inlet channel (13) and a first oil outlet channel (12), and the oil inlet channel (13) and the first oil outlet channel (12) are both communicated with the lower filter oil chamber (11);

the upper cover (2) is covered on the lower filtering base (1) and is in sealing fit with the lower filtering base (1);

the oil filter device comprises a connecting seat (3) which is arranged in a lower filtering seat (1) and is in sealing fit with the inner wall of the lower filtering seat (1), an upper oil filtering cavity (21) is formed between an upper cover (2) and the connecting seat (3), a vertical hollow fixing shaft (32) penetrates through the connecting seat (3), a connecting oil duct (321) is arranged on the fixing shaft (32), and engine oil in a lower oil filtering cavity (11) enters the upper oil filtering cavity (21) through the connecting oil duct (321);

the filter element (4) is fixed in the lower oil filtering cavity (11), and an oil outlet at the bottom end of the filter element is communicated with the first oil outlet channel (12) and is used for primarily filtering engine oil; and

the rotor filter (5) is positioned in the upper filter oil chamber (21) and is rotationally arranged on the fixed shaft (32);

the lower filter base (1) is further provided with a second oil outlet channel (17), and the second oil outlet channel (17) is communicated with the upper filter oil cavity (21).

2. The oil filter of claim 1 wherein: the top of the filter element (4) is buckled at the bottom of the connecting seat (3), and the bottom of the filter element (4) is embedded into the first oil outlet channel (12).

3. The oil filter of claim 2 wherein: still be equipped with center tube (42) in filter core (4), install butt spring (43) in first oil outlet channel (12), the top butt of center tube (42) is at the top of filter core (4), the bottom butt of center tube (42) is on butt spring (43).

4. The oil filter of claim 1 wherein: the upper cover (2) is provided with an external thread (23), the inner wall of the lower filter base (1) is provided with an internal thread (18), and the upper cover (2) is connected with the lower filter base (1) through a thread.

5. The oil filter of claim 4 wherein: a first sealing ring (24) is arranged between the upper cover (2) and the lower filter base (1).

6. The oil filter of claim 1 wherein: a short shaft (22) is arranged between the top of the rotor filter (5) and the upper cover (2), the top of the short shaft (22) is connected to the inner wall of the upper cover (2), and the bottom of the short shaft (22) penetrates through the rotor filter (5).

7. The oil filter of claim 1 wherein: the fixing shaft (32) is provided with a plurality of annular grooves (322) which are vertically arranged, and the connecting seat (3) is provided with a plurality of annular bulges (33) which are correspondingly attached to the annular grooves (322).

8. The oil filter of claim 1 wherein: and a second sealing ring (16) is arranged between the connecting seat (3) and the lower filtering seat (1).

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