CN221144546U - Filter cover with long service life - Google Patents

Abstract

The utility model relates to the technical field of filters and discloses a filter cover with long service life, which comprises a shell and a cover body, wherein the shell is a single-side closed cylinder, key position grooves are formed in the inner top of the shell, a limiting structure is arranged in each key position groove, each limiting structure comprises a key position block, an upper limiting plate, a lower limiting plate, a magnetic core, a supporting rod and a limiting ring, each key position block is inserted into each key position groove, the lower surface of each key position block is fixedly connected with the upper limiting plate, the supporting rods are arranged on the lower surface of each upper limiting plate, the supporting rods are uniformly distributed, and the outer surfaces of the supporting rods are fixedly connected with a plurality of limiting rings. According to the utility model, through the matching use of the key position groove and the key position block, the upper limit plate, the annular folding filter paper and the lower limit plate can be quickly taken out from the shell, and then the lower limit plate is screwed anticlockwise, so that the lower limit plate is in threaded connection with the upper limit plate, and the annular folding filter paper is conveniently taken out for replacement.

Description

Filter cover with long service life

Technical Field

The utility model relates to the technical field of filters, in particular to a filter cover with long service life.

Background

The engine oil filter, also called an engine oil lattice, is used for removing dust, metal particles, carbon sediment, soot particles and other impurities in engine oil, protecting an engine, and a filter cover is one of indispensable components of the engine oil filter.

The utility model patent application document with the publication number of CN212614942U discloses an engine oil filter, which mainly comprises an inner filter sleeve, a lower filter cover, an upper filter cover, annular folding filter paper, a triangular limiting block and a rubber sealing gasket.

The oil filter disclosed in the above document has the following drawbacks: this oil cleaner is owing to strain down to cover and be connected through triangle stopper and annular folding filter paper block, when changing annular folding paper, can rub the corner of triangle stopper, after changing certain number of times, the block department of triangle stopper can be ground down, and then loses the fixed to annular folding filter paper, strain down the connected mode of cover and annular folding filter paper block simultaneously, has the problem of dismantling the difficulty.

It is known that the conventional oil filter does not have a good structure for replacing the annular folding filter paper, and the conventional defects need to be improved, so that a filter cover with long service life is provided.

Disclosure of Invention

The present utility model is directed to a filter cover with a long service life, so as to solve the problems set forth in the background art.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

The utility model relates to a filter cover with long service life, which comprises a shell and a cover body, wherein the shell is a single-side closed cylinder, a key position groove is formed in the inner top of the shell, a limit structure is arranged in the key position groove, the limit structure comprises a key position block, an upper limit plate, a lower limit plate, a magnetic core, a support rod and a limit ring, the key position block is inserted into the key position groove, the lower surface of the key position block is fixedly connected with the upper limit plate, the support rod is arranged on the lower surface of the upper limit plate, the support rods are fixedly and uniformly distributed, the lower surface of the support rod is fixedly connected with the lower limit plate, a plurality of limit rings are fixedly connected to the outer surface of the support rod, a magnetic core is fixedly connected with the lower surface of the upper limit plate, one end of the magnetic core, which is far away from the upper limit plate, is provided with a first external thread, the magnetic core is in threaded connection with the lower limit plate through a plurality of through holes, an annular folded filter paper is arranged between the upper limit plate and the lower limit plate, and the annular folded filter paper is abutted against the outer surface of the annular filter paper.

Further, the second external screw thread has been seted up to the surface of casing, the locating part is fixed to two and evenly distributed, the locating part is located the second external screw thread, the casing passes through second external screw thread and lid threaded connection.

Further, the outer surface of the shell is provided with a limiting ring, the top of the shell is provided with a connecting block, and the shape of the connecting block is hexagonal.

Further, first seal grooves are formed in the outer surface of the shell, the first seal grooves are fixed to be two and evenly distributed, and the first seal grooves are located between the limiting rings and the second external threads.

Further, first rubber sealing rings are arranged in the two first sealing grooves.

Further, oil inlet and oil outlet have been seted up to one side of the lid, the oil outlet is located the middle part of the lid, the oil inlet has been seted up a plurality of and has used the oil outlet to be the centre of a circle circumference distribution.

Further, a second sealing groove is formed in one side, far away from the shell, of the cover body, and a second rubber sealing ring is installed in the second sealing groove.

The utility model has the following beneficial effects:

(1) According to the utility model, through the matching use of the key position groove and the key position block, the upper limit plate, the annular folding filter paper and the lower limit plate can be quickly taken out from the shell, and then the lower limit plate is screwed anticlockwise, so that the lower limit plate is in threaded connection with the upper limit plate, and the annular folding filter paper is conveniently taken out for replacement.

(2) According to the utility model, the shell is in threaded connection with the cover body, so that the shell and the cover body are convenient to detach and mount, the annular folding filter paper is convenient to replace, the normal use of the filter is ensured, the waste of other parts is avoided, and a better environment-friendly effect is achieved.

Of course, it is not necessary for any one product to practice the utility model to achieve all of the advantages set forth above at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is an exploded view of the overall structure of the present utility model;

FIG. 2 is a schematic diagram of a limiting structure of the present utility model;

FIG. 3 is a schematic view of the structure of the housing of the present utility model;

FIG. 4 is a schematic view of the internal structure of the housing of the present utility model;

FIG. 5 is a schematic view of the structure of the cover of the present utility model;

in the drawings, the list of components represented by the various numbers is as follows:

In the figure: 1. a housing; 101. a key position groove; 102. a second external thread; 103. a positioning part; 104. a limiting ring; 105. a connecting block; 106. a first seal groove; 2. a cover body; 201. an oil inlet hole; 202. an oil outlet hole; 203. a second seal groove; 3. a limit structure; 301. a key bit block; 302. an upper limit plate; 303. a lower limit plate; 304. a magnetic core; 305. a support rod; 306. a limit ring; 4. annular folding filter paper; 5. a first rubber seal ring; 6. and a second rubber sealing ring.

Description of the embodiments

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the utility model discloses a filter cover with long service life, which comprises a shell 1 and a cover body 2, wherein the shell 1 is a single-side closed cylinder, a key position groove 101 is formed in the inner top of the shell 1, a limit structure 3 is installed in the key position groove 101, the limit structure 3 comprises a key position block 301, an upper limit plate 302, a lower limit plate 303, a magnetic core 304, a support rod 305 and a limit ring 306, the key position block 301 is inserted in the key position groove 101, the lower surface of the key position block 301 is fixedly connected with the upper limit plate 302, the support rod 305 is installed on the lower surface of the upper limit plate 302, the support rods 305 are fixedly distributed in four and uniformly, the lower surface of the support rod 305 is fixedly connected with the lower limit plate 303, the outer surface of the support rod 305 is fixedly connected with a plurality of limit rings 306, one end of the magnetic core 304, which is far away from the upper limit plate 302, is provided with a first external thread, the magnetic core 304 is connected with the lower limit plate 303 through the first external thread, the upper surface of the lower limit plate 303 is provided with a plurality of through holes, the upper surface of the upper limit plate 302 is provided with the annular limit ring-shaped limit ring 303, the upper limit plate 302 is abutted against the outer surface of the filter paper 4, and the annular limit ring 4 is arranged between the upper limit plate 302 and the annular filter paper is folded and the annular periphery 4 is abutted against the outer surface of the filter paper.

The second external screw thread 102 has been seted up to the surface of casing 1, and the locating part 103 has been seted up to the surface of casing 1, and locating part 103 is fixed to two and evenly distributed, and locating part 103 is located second external screw thread 102, and casing 1 passes through second external screw thread 102 and lid 2 threaded connection.

The outer surface of the shell 1 is provided with a limiting ring 104, the top of the shell 1 is provided with a connecting block 105, and the shape of the connecting block 105 is hexagonal.

The first seal groove 106 is arranged on the outer surface of the shell 1, the first seal groove 106 is fixed into two and evenly distributed, and the first seal groove 106 is located between the limiting ring 104 and the second external thread 102.

The first rubber seal rings 5 are installed inside the two first seal grooves 106.

An oil inlet 201 and an oil outlet 202 are formed in one side of the cover body 2, the oil outlet 202 is located in the middle of the cover body 2, and the oil inlet 201 is formed in a plurality of positions and is distributed circumferentially by taking the oil outlet 202 as a circle center.

A second sealing groove 203 is formed in one side, far away from the shell 1, of the cover body 2, and a second rubber sealing ring 6 is installed in the second sealing groove 203.

When the novel multifunctional key position block is used, firstly, the key position block 301 is inserted into the key position groove 101, then the cover body 2 is placed on one side, provided with the second external threads 102, of the shell 1, the cover body 2 is screwed clockwise to enable the cover body 2 to be connected with the shell 1 in a threaded mode, one side of the cover body 2 is abutted against the lower limiting plate 303, after the novel multifunctional key position block is installed, the cover body 2 is installed at the joint of an automobile to be used, when the annular folding filter paper 4 is used for filtering, the magnetic core 304 can absorb iron impurities in fuel oil, the service life of the annular folding filter paper 4 is prolonged indirectly, when the annular folding filter paper 4 needs to be replaced, the cover body 2 is detached from the joint of the automobile, the cover body 2 is detached and separated from the shell 1 by screwing anticlockwise, then the shell 1 is vertically placed, the key position block 301 slides out of the key position groove 101, then the upper limiting plate 302 is grabbed, the lower limiting plate 303 is screwed anticlockwise, the threaded connection with the upper limiting plate 302 is canceled, and the annular folding filter paper 4 is taken out for replacement.

The preferred embodiments of the utility model disclosed above are intended only to assist in the explanation of the utility model. The preferred embodiments are not exhaustive or to limit the utility model to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model. The utility model is limited only by the claims and the full scope and equivalents thereof.

Claims (7)

1. The utility model provides a long service life's filter lid, includes casing (1) and lid (2), its characterized in that: the shell (1) is a single-side closed cylinder, a key position groove (101) is formed in the inner top of the shell (1), and a limit structure (3) is arranged in the key position groove (101);

The limiting structure (3) comprises a key position block (301), an upper limiting plate (302), a lower limiting plate (303), magnetic cores (304), supporting rods (305) and limiting rings (306), wherein the key position block (301) is inserted into a key position groove (101), the upper limiting plate (302) is fixedly connected with the lower surface of the key position block (301), the supporting rods (305) are mounted on the lower surface of the upper limiting plate (302), the supporting rods (305) are fixedly four and uniformly distributed, the lower surface of the supporting rods (305) is fixedly connected with the lower limiting plates (303), the outer surfaces of the supporting rods (305) are fixedly connected with a plurality of limiting rings (306), the lower surface of the upper limiting plates (302) is fixedly connected with the magnetic cores (304), one end, far away from the upper limiting plates (302), of each magnetic core (304) is provided with first external threads, the upper surface of each lower limiting plate (303) is provided with a plurality of through holes through the first external threads;

An annular folding filter paper (4) is arranged between the upper limiting plate (302) and the lower limiting plate (303), and the outer surface of the annular folding filter paper (4) is abutted against the peripheral side surface of the limiting ring (306).

2. A long life filter cover according to claim 1, wherein: the outer surface of casing (1) has seted up second external screw thread (102), locating part (103) have been seted up to the surface of casing (1), locating part (103) are fixed to two and evenly distributed, locating part (103) are located second external screw thread (102), casing (1) is through second external screw thread (102) and lid (2) threaded connection.

3. A long life filter cover according to claim 1, wherein: the outer surface of casing (1) is equipped with spacing ring (104), the top of casing (1) is equipped with connecting block (105), the shape of connecting block (105) is the hexagon.

4. A long life filter cover according to claim 1, wherein: the outer surface of the shell (1) is provided with first sealing grooves (106), the first sealing grooves (106) are fixed into two and evenly distributed, and the first sealing grooves (106) are located between the limiting rings (104) and the second external threads (102).

5. A long life filter cover according to claim 4, wherein: the first rubber sealing rings (5) are arranged in the two first sealing grooves (106).

6. A long life filter cover according to claim 1, wherein: oil inlet (201) and oil outlet (202) have been seted up to one side of lid (2), oil outlet (202) are located the middle part of lid (2), oil inlet (201) have been seted up a plurality of and have used oil outlet (202) as centre of a circle circumference distribution.

7. A long life filter cover according to claim 1, wherein: a second sealing groove (203) is formed in one side, far away from the shell (1), of the cover body (2), and a second rubber sealing ring (6) is arranged in the second sealing groove (203).