Filter
阅读说明:本技术 一种滤清器 (Filter ) 是由 杨卫民 于 2019-11-06 设计创作,主要内容包括:本发明属于机油过滤技术领域,尤其涉及一种滤清器,它包括中心筒、A滤纸、C密封环、隔筒、B密封环、A密封环、B弹簧、密封柱,其中本发明经过主通道和旁通道的创新设计,然后通过将密封柱、A密封环、B密封环和C密封环进行传动连接,使得滤清器进行正常过滤机油时,A密封环未堵塞主通道,B密封环合环和C密封环将旁通道堵塞;在滤清器无法正常过滤机油时,A密封环堵塞主通道,B密封环合环和C密封环不再将旁通道堵塞,机油不会从主通道流过,那么主通道处A滤纸上过滤积累的杂质不会被从旁通道流过的机油携带,那么A滤纸上已经之前过滤积累的杂质将不会随机油进入到发动机中,为发动机提供了良好的保护。(The invention belongs to the technical field of engine oil filtration, and particularly relates to a filter, which comprises a central cylinder, filter paper A, a sealing ring C, a separating cylinder, a sealing ring B, a sealing ring A, a spring B and a sealing column, wherein the invention is characterized in that through the innovative design of a main channel and a bypass channel, the sealing column, the sealing ring A, the sealing ring B and the sealing ring C are in transmission connection, so that when the filter normally filters engine oil, the sealing ring A does not block the main channel, and the sealing ring B and the sealing ring C block the bypass channel; when the unable normal filtration machine oil of filter, A sealing ring blocks up the main entrance, and B sealing ring closes the ring and no longer blocks up the by-pass with C sealing ring, and machine oil can not flow through from the main entrance, and the impurity of filtering accumulation on the A filter paper of main entrance department so can not carried by the machine oil that flows through from the by-pass, and filter accumulation's impurity will not enter into the engine along with machine oil before on the A filter paper so, provides good protection for the engine.)
1. The utility model provides a filter, it includes external seal circle, bottom plate, thread cover plate, cartridge case, check valve, its characterized in that: the device also comprises a central cylinder, filter paper A, a sealing ring C, a separating cylinder, a sealing ring B, a sealing ring A, a supporting ring B, a supporting ring A, a spring A, a fixing sleeve A, a positioning sleeve, a spring B, a sealing column and a fixing sleeve B, wherein a bottom plate is arranged at one end of the cylinder shell, an outer sealing ring is arranged on the bottom plate, and a threaded cover plate with a plurality of holes B uniformly distributed in the circumferential direction is arranged in the cylinder shell and connected with the bottom plate; a separating cylinder is arranged in the cylinder shell, and a central cylinder is arranged in the separating cylinder; a channel ring is arranged on the inner wall of the cylinder shell, and a bypass channel is formed between the channel ring and the separating cylinder; a plurality of holes A are uniformly distributed on the central cylinder, convex rings are arranged at two ends of the central cylinder, and A filter paper is arranged between the two convex rings; the center of the bottom of the inner cylinder of the cylinder shell is fixedly provided with an A fixed sleeve; the two sides of the bottom of the central cylinder, which are close to the fixed sleeve A, are respectively and fixedly provided with a fixed sleeve B and a positioning sleeve, the fixed sleeve B is positioned in the central cylinder, and the positioning sleeve is positioned on the outer side of the central cylinder; one part of the positioning sleeve is sleeved on the A fixing sleeve; one end of a spring A positioned in the positioning sleeve is contacted with the end surface of the fixing sleeve A, and the other end of the spring A is contacted with the side surface of the central cylinder; the sealing column slides in the B fixing sleeve in a sealing way, and a B spring for resetting the sealing column is arranged on the sealing column;
a main channel is formed between the central cylinder and the separating cylinder; one end of a connecting column in the fixed sleeve A is fixedly connected with the side surface of the sealing column, and three support rods are uniformly distributed at the other end of the connecting column in the circumferential direction; one ends of the three support rods, which are far away from the connecting column, are fixedly provided with a support ring A; the three supporting rods slide on the fixing sleeve A; the sealing ring A matched with the main channel is fixedly arranged on the side surface of the support ring A; the sealing ring C matched with one port of the bypass channel close to the threaded cover plate is in synchronous transmission connection with the sealing ring A; the B support ring and the A support ring which are slidably arranged at the bottom of the cylinder shell are in transmission connection, and the axial movement directions of the B support ring and the A support ring are always opposite and the speeds of the B support ring and the A support ring are the same; a sealing ring B matched with one port of the bypass channel, which is far away from the threaded cover plate, is fixedly arranged on the side surface of the supporting ring B;
a check valve having a flared ring is mounted between the threaded cover plate and the corresponding side of the central cartridge; the horn-shaped ring is matched with the hole B on the threaded cover plate.
2. A filter as claimed in claim 1, wherein: the outer cylinder surface of the partition cylinder close to two ends is arranged on the inner wall of the channel ring of the cylinder shell through a plurality of A connecting blocks which are uniformly distributed in the circumferential direction; each convex ring on the central cylinder is arranged on the inner cylinder surface of the separating cylinder through a plurality of B connecting blocks which are uniformly distributed in the circumferential direction.
3. A filter as claimed in claim 1, wherein: the spring A and the spring B are always in a compressed state.
4. A filter as claimed in claim 1, wherein: one ends of the three branch strips which are uniformly distributed in the circumferential direction are fixedly connected with the end face, far away from the positioning sleeve, of the fixing sleeve B respectively, and the other end of the branch strips is fixedly provided with a fixing ring; one end of a spring B positioned in the three branch bars is fixedly connected with the fixing ring, and the other end of the spring B is fixedly connected with the end face, far away from the positioning sleeve, of the fixing sleeve B.
5. A filter as claimed in claim 1, wherein: the one end department that above-mentioned fixed cover B is close to the position sleeve has the retaining ring, and interior sealing washer is installed on the retaining ring, and interior sealing washer and sealed post cooperation.
6. A filter as claimed in claim 1, wherein: the fixing sleeve A is uniformly provided with three sliding grooves in the circumferential direction, and the three support rods slide in the three sliding grooves respectively; the fixing sleeve A is positioned in the supporting ring A.
7. A filter as claimed in claim 1, wherein: three guide rails are uniformly arranged on the inner cylinder surface in the middle of the partition cylinder in the circumferential direction; three L-shaped rods are respectively installed in the three guide rails in a sliding manner; one end of each L-shaped rod is fixedly connected with the side face, far away from the support ring A, of the sealing ring A, and the other end of each L-shaped rod is fixedly connected with the inner ring face of the sealing ring C; three L-shaped rods are all located in the main channel.
8. A filter as claimed in claim 1, wherein: three mounting grooves are uniformly formed in the inner ring surface of the support ring B in the circumferential direction, and a rack B is fixedly arranged in each mounting groove; three gears are uniformly arranged at the bottom of the inner cylinder of the cylinder shell in the circumferential direction; three racks A are uniformly arranged on the outer ring surface of the support ring A in the circumferential direction; the three gears are respectively meshed with the three racks B and the three racks A.
9. A filter as claimed in claim 1, wherein: three arc barrier strips are uniformly distributed in the circumferential direction of the inner part of the channel ring on the cylinder shell; the filter paper B is arranged in the bypass channel and matched with the three arc barrier strips; the filter pores of the filter paper A are smaller than those of the filter paper B.
10. A filter as claimed in claim 1, wherein: the end face, far away from the support ring A, of the sealing ring A is provided with an inclined plane, and the end face, with the inclined plane, of the sealing ring A is matched with the partition cylinder and the port of the main channel, where the corresponding convex ring is located; the end surface of the sealing ring B far away from the supporting ring B is a sharp-angled inclined surface; one end surface of the C sealing ring corresponding to the bypass channel is a sharp-angled inclined surface, and the other end of the C sealing ring is a streamline transition surface; the two ports of the bypass channel are provided with inclined planes.
Technical Field
The invention belongs to the technical field of engine oil filtration, and particularly relates to a filter.
Background
At present, in the working process of an automobile engine, metal abrasive dust, carbon deposit oxidized at high temperature, cementing sediment and the like can be continuously mixed into engine oil, so that an oil filter is required to be installed to filter mechanical impurities and colloid, the cleanness of the engine oil is kept, and the service life of the engine is prolonged. The filter paper in the filter plays a key filtering role, but the filter is not replaced in time after being used for a long time, so that excessive filtered impurities are accumulated on the filter paper, and the filter paper is easily blocked by the impurities; in order to ensure the smooth circulation of the engine oil, the bypass valve is opened by the engine oil under the pressure of the oil pump, the inflowing engine oil cannot be filtered by the filter paper, and impurities accumulated on the filter paper are mixed into the engine oil again and then flush into the engine, so that the engine is inevitably abraded. In addition, when the automobile is started in winter, the engine oil is low in temperature and high in viscosity, most of the engine oil which is low in temperature and high in viscosity cannot pass through the filter paper, and then impurities accumulated on the filter paper are mixed into the engine oil again and then flush into the engine when the bypass valve is opened, so that the engine is inevitably abraded.
The invention designs a filter to solve the problems.
Disclosure of Invention
In order to solve the defects in the prior art, the invention discloses a filter which is realized by adopting the following technical scheme.
In the description of the present invention, it should be noted that the terms "inside", "below", "upper" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention usually place when using, and are only used for convenience of description and simplification of description, but do not indicate or imply that the devices or elements indicated must have a specific orientation, be constructed in a specific orientation or be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
The utility model provides a filter, it includes external seal circle, bottom plate, thread cover plate, cartridge case, check valve, its characterized in that: the device also comprises a central cylinder, filter paper A, a sealing ring C, a separating cylinder, a sealing ring B, a sealing ring A, a supporting ring B, a supporting ring A, a spring A, a fixing sleeve A, a positioning sleeve, a spring B, a sealing column and a fixing sleeve B, wherein a bottom plate is arranged at one end of the cylinder shell, an outer sealing ring is arranged on the bottom plate, and a threaded cover plate with a plurality of holes B uniformly distributed in the circumferential direction is arranged in the cylinder shell and connected with the bottom plate; a separating cylinder is arranged in the cylinder shell, and a central cylinder is arranged in the separating cylinder; a channel ring is arranged on the inner wall of the cylinder shell, and a bypass channel is formed between the channel ring and the separating cylinder; a plurality of holes A are uniformly distributed on the central cylinder, convex rings are arranged at two ends of the central cylinder, and A filter paper is arranged between the two convex rings; the center of the bottom of the inner cylinder of the cylinder shell is fixedly provided with an A fixed sleeve; the two sides of the bottom of the central cylinder, which are close to the fixed sleeve A, are respectively and fixedly provided with a fixed sleeve B and a positioning sleeve, the fixed sleeve B is positioned in the central cylinder, and the positioning sleeve is positioned on the outer side of the central cylinder; one part of the positioning sleeve is sleeved on the A fixing sleeve; one end of a spring A positioned in the positioning sleeve is contacted with the end surface of the fixing sleeve A, and the other end of the spring A is contacted with the side surface of the central cylinder; the sealing column slides in the B fixing sleeve in a sealing way, and a B spring for resetting the sealing column is arranged on the sealing column.
A main channel is formed between the central cylinder and the separating cylinder; one end of a connecting column in the fixed sleeve A is fixedly connected with the side surface of the sealing column, and three support rods are uniformly distributed at the other end of the connecting column in the circumferential direction; one ends of the three support rods, which are far away from the connecting column, are fixedly provided with a support ring A; the three supporting rods slide on the fixing sleeve A; the sealing ring A matched with the main channel is fixedly arranged on the side surface of the support ring A; the sealing ring C matched with one port of the bypass channel close to the threaded cover plate is in synchronous transmission connection with the sealing ring A; the B support ring and the A support ring which are slidably arranged at the bottom of the cylinder shell are in transmission connection, and the axial movement directions of the B support ring and the A support ring are always opposite and the speeds of the B support ring and the A support ring are the same; and a B sealing ring matched with one port of the bypass channel far away from the threaded cover plate is fixedly arranged on the side surface of the B supporting ring.
A check valve having a flared ring is mounted between the threaded cover plate and the corresponding side of the central cartridge; the horn-shaped ring is matched with the hole B on the threaded cover plate.
As a further improvement of the technology, the outer cylinder surface of the partition cylinder is arranged on the inner wall of the channel ring of the cylinder shell through a plurality of A connecting blocks which are uniformly distributed in the circumferential direction at the two ends; each convex ring on the central cylinder is arranged on the inner cylinder surface of the separating cylinder through a plurality of B connecting blocks which are uniformly distributed in the circumferential direction.
As a further improvement of the present technology, the springs a and B are always in a compressed state. The compression state of the A spring is used for better clamping the cartridge shell and the bottom plate. The spring B is in a compressed state so that the sealing column can slide after the engine oil in the cylinder shell reaches a certain pressure.
As a further improvement of the technology, one end of each of three branch bars which are uniformly distributed in the circumferential direction is fixedly connected with the end face of the fixing sleeve B far away from the positioning sleeve, and the other end of each branch bar is fixedly provided with a fixing ring; one end of a spring B positioned in the three branch bars is fixedly connected with the fixing ring, and the other end of the spring B is fixedly connected with the end face, far away from the positioning sleeve, of the fixing sleeve B.
As a further improvement of the technology, a retaining ring is arranged at one end, close to the positioning sleeve, of the fixing sleeve B, an inner sealing ring is arranged on the retaining ring, and the inner sealing ring is matched with the sealing column. In the initial state, the inner sealing ring is attached to the sealing column, and engine oil in the cylinder shells cannot leak out from the space between the sealing column and the B fixing sleeve.
As a further improvement of the technology, the fixing sleeve A is uniformly provided with three sliding grooves in the circumferential direction, and the three support rods slide in the three sliding grooves respectively; the fixing sleeve A is positioned in the supporting ring A.
As a further improvement of the technology, three guide rails are uniformly arranged on the surface of the inner cylinder in the middle of the partition cylinder in the circumferential direction; three L-shaped rods are respectively installed in the three guide rails in a sliding manner; one end of each L-shaped rod is fixedly connected with the side face, far away from the support ring A, of the sealing ring A, and the other end of each L-shaped rod is fixedly connected with the inner ring face of the sealing ring C; three L-shaped rods are all located in the main channel.
As a further improvement of the technology, three mounting grooves are uniformly formed in the inner annular surface of the B support ring in the circumferential direction, and a rack B is fixedly mounted in each mounting groove; three gears are uniformly arranged at the bottom of the inner cylinder of the cylinder shell in the circumferential direction; three racks A are uniformly arranged on the outer ring surface of the support ring A in the circumferential direction; the three gears are respectively meshed with the three racks B and the three racks A.
As a further improvement of the technology, three arc barrier strips are uniformly distributed in the circumferential direction of the middle part of the channel ring on the cylinder shell; the filter paper B is arranged in the bypass channel and matched with the three arc barrier strips; the filter pores of the filter paper A are smaller than those of the filter paper B. The arc baffle strip is used for blocking the B filter paper in the bypass channel and preventing engine oil circulating in the bypass channel from washing away the B filter paper.
As a further improvement of the technology, the end face, away from the A support ring, of the A sealing ring is provided with an inclined face, and the end face, with the inclined face, of the A sealing ring is matched with the main channel opening, where the partition cylinder and the corresponding convex ring are located, so that the A sealing ring can be inserted into the main channel opening, where the partition cylinder and the corresponding convex ring are located, better. The end surface of the sealing ring B far away from the supporting ring B is a sharp-angled inclined surface; one end surface of the C sealing ring corresponding to the bypass channel is a sharp-angled inclined surface, and the other end of the C sealing ring is a streamline transition surface; the two ports of the bypass channel are provided with inclined planes. The design is convenient for the B sealing ring and the C sealing ring to be respectively inserted into the bypass opening and well sealed. The streamline transition surface of the C sealing ring is used for facilitating the oil to flow through from two sides of the C sealing ring with small resistance.
The outer sealing ring, the inner sealing ring, the sealing column, the sealing ring A, the sealing ring B and the sealing ring C can be made of materials with certain elasticity. For example, a suitably resilient rubber material is selected.
Compared with the traditional filter, the invention has the beneficial effects that: according to the invention, through the innovative design of the main channel and the bypass channel, the sealing column, the sealing ring A, the sealing ring B and the sealing ring C are in transmission connection, so that when the filter filters engine oil normally, the sealing ring A does not block the main channel, and the sealing ring B and the sealing ring C block the bypass channel; the sealing ring B plays a role in preventing filtered impurities from diffusing into the bypass channel and being retained in the disc channel during normal filtration, and the using effect of the bypass channel is influenced. When the filter can not normally filter the engine oil, the main channel is blocked by the A sealing ring, the bypass channel is no longer blocked by the B sealing ring and the C sealing ring, the engine oil can not flow through the main channel, impurities which are filtered and accumulated on the A filter paper at the main channel before can not be carried by the engine oil flowing through the bypass channel basically, the impurities which are filtered and accumulated on the A filter paper before can not enter the engine along with the engine oil, good protection is provided for the engine, and the service life of the engine is prolonged. Under the condition of meeting the same beneficial effects of the invention, the invention has simple structure and better practical effect.
Drawings
Fig. 1 is an overall view and a schematic sectional view.
Fig. 2 is an overall sectional front view schematically.
Fig. 3 is an enlarged (first) view of a portion of fig. 2.
Fig. 4 is a partially enlarged (second) schematic view of fig. 2.
Fig. 5 is an overall center side elevation schematic view.
Fig. 6 is a schematic view of the check valve structure.
Fig. 7 is a schematic sectional view of the installation of the outer sealing ring and the threaded cap plate.
Fig. 8 is a schematic sectional view of the structure provided on the cartridge case.
Fig. 9 is a schematic cross-sectional view of a septum in a cartridge housing.
FIG. 10 is a schematic representation of A filter paper and B filter paper.
Fig. 11 is a schematic sectional view of the inner mounting structure of the center barrel.
Fig. 12 is a partially enlarged schematic view of fig. 11.
FIG. 13 is a cross-sectional partial detail schematic view of the gears, A seal ring, B seal ring, strut and seal post.
Fig. 14 is a schematic view of the mounting of the retainer ring.
FIG. 15 is a schematic sectional view of the installation of the A support ring and attachment post.
Fig. 16 is a sectional view showing the installation of the B rack.
FIG. 17 is a schematic sectional view showing the connection of the C-seal ring and the A-seal ring.
FIG. 18 is a schematic cross-sectional view of a main channel and a bypass channel.
FIG. 19 is a schematic diagram of the workflow process of the present invention.
Number designation in the figures: 1. an outer sealing ring; 2. a base plate; 3. a threaded cover plate; 4. a cartridge housing; 5. a check valve; 6. a horn ring; 7. a central barrel; 8. a, filter paper; 9. b, filter paper; 10. an arc barrier strip; 12. c, sealing rings; 13. a separating cylinder; 14. b, sealing a ring; 15. a, sealing a ring; 16. connecting columns; 17. a, connecting a block; 18. an L-shaped rod; 19. a guide rail; 20. a main channel; 21. a bypass channel; 22. b, supporting the ring; 23. b, a rack; 24. a gear; 25. a, a rack; 26. a, supporting a ring; 27. a strut; 28. a, a spring; 29. a, fixing a sleeve; 30. a positioning sleeve; 31. a spring B; 32. a fixing ring; 33. sealing the column; 34. a convex ring; 35. b, connecting a block; 36. a chute; 37. a channel ring; 38. a hole A; 39. b, fixing a sleeve; 40. an inner seal ring; 41. branch; 42. a retainer ring; 43. mounting grooves; 45. and (B) holes.
Detailed Description
The invention will be described with reference to the accompanying drawings, which are only schematic in terms of their structural proportions and which may be specified according to actual requirements; it should be understood that the description is illustrative only and is not intended to limit the scope of the present disclosure. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present disclosure. All terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art unless otherwise defined. It is noted that the terms used herein should be interpreted as having a meaning that is consistent with the context of this specification and should not be interpreted in an idealized or overly formal sense.
The utility model provides a filter, it includes external seal circle 1, bottom plate 2, thread cover plate 3, cartridge case 4, check valve 5, its characterized in that: the novel oil filter further comprises a central cylinder 7, a piece of filter paper A8, a C sealing ring 12, a separating cylinder 13, a B sealing ring 14, an A sealing ring 15, a B supporting ring 22, an A supporting ring 26, an A spring 28, an A fixing sleeve 29, a positioning sleeve 30, a B spring 31, a sealing column 33 and a B fixing sleeve 39, as shown in figures 1 and 7, wherein a bottom plate 2 is installed at one end of a cylinder shell 4, an outer sealing ring 1 is installed on the bottom plate 2, and a threaded cover plate 3 with a plurality of B holes 45 uniformly distributed in the circumferential direction is installed in the cylinder shell 4 and connected with the bottom plate 2; as shown in fig. 2, 5 and 9, a partition cylinder 13 is arranged in the cylinder shell 4, and a central cylinder 7 is arranged in the partition cylinder 13; as shown in fig. 8 and 9, the inner wall of the cylinder shell 4 is provided with a channel ring 37, and a bypass channel 21 is formed between the channel ring 37 and the partition cylinder 13; as shown in fig. 11, a plurality of holes a 38 are uniformly distributed on the central cylinder 7, the two ends of the central cylinder 7 are provided with convex rings 34, as shown in fig. 2, 10 and 11, a filter paper 8 is arranged between the two convex rings 34; as shown in fig. 12 and 13, an a fixing sleeve 29 is fixedly arranged at the center of the bottom of the inner cylinder of the cylinder shell 4; the two sides of the bottom of the central cylinder 7, which are close to the A fixing sleeve 29, are respectively and fixedly provided with a B fixing sleeve 39 and a positioning sleeve 30, the B fixing sleeve 39 is positioned in the central cylinder 7, and the positioning sleeve 30 is positioned on the outer side of the central cylinder 7; a part of the positioning sleeve 30 is sleeved on the A fixing sleeve 29; one end of an A spring 28 positioned in the positioning sleeve 30 is contacted with the end surface of an A fixed sleeve 29, and the other end is contacted with the side surface of the central cylinder 7; the sealing column 33 is hermetically slid on the B fixing sleeve 39, and the B spring 31 for resetting the sealing column 33 is arranged on the sealing column 33.
As shown in fig. 2 and 18, a main passage 20 is formed between the central cylinder 7 and the partition cylinder 13; as shown in fig. 13 and 15, one end of the connecting column 16 in the fixing sleeve 29 a is fixedly connected with the side surface of the sealing column 33, and three supporting rods 27 are uniformly distributed on the other end in the circumferential direction; the end of the three struts 27 far away from the connecting column 16 is fixedly provided with an A support ring 26; the three supporting rods 27 slide on the A fixing sleeve 29; the A sealing ring 15 matched with the main channel 20 is fixedly arranged on the side surface of the A supporting ring 26; as shown in fig. 2, 3 and 4, the C sealing ring 12 matched with one port of the bypass channel 21 close to the threaded cover plate 3 is in synchronous transmission connection with the a sealing ring 15; the B supporting ring 22 which is slidably arranged at the cylinder bottom of the cylinder shell 4 is in transmission connection with the A supporting ring 26, and the axial movement directions of the B supporting ring 22 and the A supporting ring 26 are always opposite and the speeds are the same; the B-ring seal 14, which is fitted to an end opening of the bypass channel 21 remote from the threaded cover plate 3, is fixedly mounted on the side of the B-ring 22.
As shown in fig. 1, 2, 6, a
As shown in fig. 5 and 8, the outer surface of the
The a
As shown in fig. 12 and 14, one end of each of three circumferentially and uniformly distributed branch bars 41 is fixedly connected to the end surface of the B-fixing
As shown in fig. 12 and 14, the fixing sleeve 39B has a
As shown in fig. 8 and 12, three sliding
As shown in fig. 9, 13 and 17, three
As shown in fig. 16, three mounting
As shown in fig. 4, 8 and 10, three arc barrier strips 10 are uniformly distributed in the middle of the
As shown in fig. 16, 17 and 18, the end surface of the a sealing
The
The threaded
When the sealing
The specific working process of the invention is as follows: as shown in fig. 19 (a), when the filter is not in use, the sealing
As shown in fig. 19 (a), when the filter performs a normal oil filtering operation during the driving of the vehicle, oil enters the space formed by the
When the temperature of the oil entering the filter is low and the consistency of the oil is high immediately after the start of the vehicle, the a
When the filter paper A8 is blocked and cannot normally filter the engine oil, the spaces of the two ports in the
When the engine oil passes through the
When the filter is no longer in oil passing and stops working, the sealing
While the present invention has been described in conjunction with the above embodiments, the present invention is not limited to the above embodiments but is limited only by the appended claims, and those skilled in the art can easily make modifications and variations thereto without departing from the true spirit and scope of the present invention.
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