Automobile filter with long service life

Through the threaded connection design of the main housing, front housing and rear housing, combined with the multi-layer filter element and activated carbon filter layer, the problem of inconvenient replacement of the conical filter element and impurity accumulation is solved, and the rapid disassembly and installation of the filter is achieved, extending the service life and improving the filtration effect.

CN223227439UActive Publication Date: 2025-08-15ZHEJIANG MORKA FILTRATION TECH CO LTD
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Patent Information

Application Number
CN202422873256.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-25
Publication Date
2025-08-15
Estimated Expiration
2034-11-25

AI Technical Summary

Technical Problem

The conical filter element of existing automotive filters is not convenient for processing and replacement, and impurities are easily accumulated after long-term use, affecting the use effect.

Method used

The threaded connection design of the main shell, front shell and rear shell is adopted, combined with multi-layer filter element and activated carbon filter layer to achieve rapid disassembly and installation, facilitate filter element replacement and maintenance, enhance sealing, and improve filtering effect.

Benefits of technology

It realizes quick assembly, combination and disassembly of filters, extends service life, reduces impurities accumulation, and improves filtration efficiency and stability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to an automobile filter with long service life, which comprises a main shell, a front shell and a rear shell, the bottom of the main shell is provided with a first internal thread, the top of the front shell is fixedly connected with a first threaded pipe, the top of the main shell is provided with a second internal thread, and the bottom of the rear shell is fixedly connected with a second threaded pipe. An air inlet pipe is fixedly connected to the bottom of the front shell, an exhaust pipe is fixedly connected to the top of the rear shell, a first filter element is arranged in the front shell, a first activated carbon filter layer is arranged on the top of the first filter element, a metal ring is arranged in the main shell, a second filter element is arranged in the metal ring, and a third filter element is arranged on the top of the second filter element. A second activated carbon filter layer is arranged in the rear shell, a fourth filter element is arranged on the top of the second activated carbon filter layer, and a fixing piece is installed on the surface of the main shell. Assembling and combining of the filter are completed through quick operation, the filtering effect is improved through internal multi-layer filtering, main components are easy to decompose and replace, and impurity accumulation is reduced after long-term use.
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Description

Technical Field

[0001] The utility model relates to the technical field of automobile filters, in particular to an automobile filter with a long service life. Background Art

[0002] Automobile filters are used to filter impurities or gases. The more common automobile filters are: air filters, air conditioning filters, oil filters and fuel filters. The impurities filtered by each corresponding filter are different, but basically they all filter impurities of the air or liquid type. The utility model patent with application number: CN201820620315.X discloses an automobile filter with a long service life, including a shell, a connecting pipe is provided on the left side of the shell, an intake pipe is provided at the left end of the connecting pipe, and the connecting pipe is fixedly connected to the intake pipe by a clamp, a flow blocking ring is provided inside the intake pipe, and an activated carbon ring is provided inside the intake pipe, an arc-shaped cover is provided above the activated carbon ring, and the arc-shaped cover is fixedly connected to the intake pipe by bolts, a filter element cover is provided above the shell, an exhaust pipe is provided at the center of the upper surface of the filter element cover, and a metal ring is provided below the filter element cover, a first filter element is provided inside the metal ring, a second filter element is provided below the first filter element, and a support ring is provided below the second filter element. An air distribution pipe is provided below the support ring, a fixing block is provided on the right side of the housing at a position corresponding to the connecting pipe, and a supporting device is provided below both the connecting pipe and the fixing block; the maximum diameter of the activated carbon ring is smaller than the minimum diameter of the intake pipe, and the activated carbon ring is rotatably connected to the arc cover via a rotating pin; a conical filter element is provided at the bottom of the housing; a V-shaped groove is provided on the upper surface of the housing, and a V-shaped rubber ring is installed on the lower surface of the filter element cover at a position corresponding to the V-shaped groove, and the V-shaped rubber ring is engaged with the V-shaped groove; the supporting device consists of an outer sleeve, an inner sleeve, and a mounting plate, an outer sleeve is welded to the upper surface of the mounting plate, an inner sleeve is provided above the outer sleeve, and the outer sleeve is rotatably connected to the inner sleeve via a rotating nut; an embedded plate is provided at both ends of the filter element cover. However, the conical filter element is not convenient to handle and replace, and the large amount of impurities accumulated in the conical filter element will affect the use of the entire filter. Utility Model Content

[0003] The utility model aims to solve the problems existing in the above-mentioned prior art and provide an automobile filter with a long service life. The filter can be assembled and combined quickly and easily. The internal multi-layer filtration improves the filtering effect. The main components are easy to disassemble and replace, and the long-term effective use reduces the accumulation of impurities.

[0004] The utility model solves its technical problem by adopting the technical solution: this automobile filter with long service life comprises a main shell, a front shell and a rear shell, the bottom of the main shell is provided with a first internal thread, the top of the front shell is fixedly connected with a first threaded tube, the first threaded tube is threadedly connected to the first internal thread, the top of the main shell is provided with a second internal thread, the bottom of the rear shell is fixedly connected with a second threaded tube, the second threaded tube is threadedly connected to the second internal thread, the bottom of the front shell is fixedly connected with an intake pipe, the top of the rear shell is fixedly connected with an exhaust pipe, a first filter element is provided inside the front shell, a first activated carbon filter layer is provided on the top of the first filter element, a metal ring is provided inside the main shell, a second filter element is provided inside the metal ring, a third filter element is provided on the top of the second filter element, a second activated carbon filter layer is provided inside the rear shell, and a fourth filter element is provided on the top of the second activated carbon filter layer, a fixing part is installed on the surface of the main shell, the first threaded tube of the front shell is threadedly connected to the first internal thread of the main shell, so as to realize the installation of the front shell and the main shell, and the second threaded tube of the rear shell Threaded connection is made with the second internal thread of the main housing to realize the installation of the rear housing and the main housing, the intake pipe is connected to the external air source, and the exhaust pipe is connected to the engine cylinder. During the use of the filter, the air passes through the first filter element, the first activated carbon filter layer, the second filter element, the third filter element, the second activated carbon filter layer and the fourth filter element in sequence, and the impurities in the air are filtered in sequence, and the moisture in the air is adsorbed in sequence. When the filter is used for a long time, the intake pipe is disconnected from the external air source, the exhaust pipe is disconnected from the engine cylinder, and the front housing is turned in the opposite direction. The first threaded pipe is disengaged from the first internal thread, and the front housing is dismantled and disassembled. The front housing is replaced and reinstalled, and the rear housing is turned in the opposite direction. The second threaded pipe is disengaged from the second internal thread, and the internal conditions of the main housing and the rear housing are checked. The second filter element and the third filter element are processed or replaced in time, and the rear housing is replaced in time. The filter assembly is completed quickly, the internal multi-layer filtration improves the filtering effect, and the main components are easy to disassemble and replace, and long-term effective use reduces impurity accumulation.

[0005] For further improvement, the second filter element and the third filter element have the same size specifications, the front shell and the rear shell have the same size specifications, the first internal thread and the second internal thread have the same size specifications, the first threaded tube and the second threaded tube have the same size specifications, the second filter element and the third filter element are easy to interchange, the front shell and the rear shell are easy to interchange, the versatility is high and the convenience is increased.

[0006] For further improvement, the top of the main shell is provided with a cut angle, the bottom of the main shell is also provided with a cut angle, and the front shell and the rear shell are also provided with cut angles. The setting of the cut angles reduces the sharp right-angle edges of the main shell, the front shell and the rear shell, reduces accidental injuries and improves operating comfort.

[0007] For further improvement, a first rubber ring is provided inside the main shell, the first rubber ring is at the bottom of the metal ring, the first threaded tube presses against the first rubber ring, the first rubber ring shrinks under pressure, and the first threaded tube and the metal ring are effectively sealed, thereby realizing the sealing between the front shell and the main shell and preventing external air from mixing in.

[0008] For further improvement, a second rubber ring is provided inside the main shell, the second rubber ring is on the top of the metal ring, the second threaded tube presses against the second rubber ring, the second rubber ring shrinks under pressure, and the second threaded tube and the metal ring are effectively sealed, thereby realizing the sealing between the rear shell and the main shell and preventing external air from mixing in.

[0009] For further improvement, a first through hole is provided on the side of the fixing part, a fixing bolt is inserted into the inside of the first through hole, there are two first through holes and fixing bolts respectively, and there are two fixing parts. A central threaded hole is provided inside the fixing part, and an external thread is provided on the surface of the main shell. The fixing part is installed on the surface of the main shell using the central threaded hole and the external thread. The fixing part is simple to install and easy to remove. The main shell is fixed on other objects using the fixing part and the fixing bolt, thereby improving the overall stability of the main shell, the front shell and the rear shell.

[0010] For further improvement, a second through hole is provided on the side of the fixing member, and there are two second through holes. A third through hole is provided inside the fixing member, and there are multiple third through holes. The third through hole, the second through hole and the first through hole are interconnected. The second through hole and the third through hole increase the connection direction of the fixing bolt, thereby improving flexibility and meeting more fixing needs of the filter.

[0011] For further improvement, a washer is sleeved on the surface of the fixing bolt, and the washer is on the side of the fixing part. The application of the washer improves effective protection and prevents the fixing bolt from directly wearing the side of the fixing part.

[0012] The beneficial effects of the utility model are:

[0013] 1. The first threaded tube of the front housing is threadedly connected to the first internal thread of the main housing to achieve the installation of the front housing and the main housing. The second threaded tube of the rear housing is threadedly connected to the second internal thread of the main housing to achieve the installation of the rear housing and the main housing. The intake pipe is connected to the outside air source, and the exhaust pipe is connected to the engine cylinder. During the use of the filter, the air passes through the first filter element, the first activated carbon filter layer, the second filter element, the third filter element, the second activated carbon filter layer and the fourth filter element in sequence. Impurities in the air are filtered in sequence, and moisture in the air is adsorbed in sequence. When the filter is used for a long time, the intake pipe and the outside air source are connected. Disconnect the boundary air source, disconnect the exhaust pipe from the engine cylinder, turn the front housing in the opposite direction, the first threaded tube disengages from the first internal thread, the front housing is dismantled and disassembled, replace the front housing and reinstall it, turn the rear housing in the opposite direction, the second threaded tube disengages from the second internal thread, check the internal conditions of the main housing and the rear housing, handle or replace the second filter element and the third filter element in a timely manner, replace the rear housing in a timely manner, and quickly complete the assembly of the filter. The internal multi-layer filtration improves the filtering effect. The main components are easy to disassemble and replace, and long-term effective use can reduce impurity accumulation.

[0014] 2. The first rubber ring is compressed and contracted, and the first threaded tube and the metal ring are effectively sealed, thereby achieving a seal between the front shell and the main shell to prevent the intrusion of external air. The second rubber ring is compressed and contracted, and the second threaded tube and the metal ring are effectively sealed, thereby achieving a seal between the rear shell and the main shell to prevent the intrusion of external air.

[0015] 3. The fixings are installed on the surface of the main housing using the central threaded hole and external thread. The fixings are simple to install and easy to remove. The main housing is fixed to other objects using the fixings and fixing bolts, which improves the overall stability of the main housing, front housing and rear housing. The second through hole and the third through hole increase the connection direction of the fixing bolts, improve flexibility and meet more fixing needs of the filter. The use of washers improves effective protection and prevents direct wear of the fixing bolts on the sides of the fixings. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural diagram of the utility model;

[0017] Figure 2 For the utility model Figure 1 Enlarged view of point A in the middle;

[0018] Figure 3 This is an internal cross-sectional view of the fixing member of the present invention;

[0019] Figure 4 This is a diagram showing the internal structure of the present utility model;

[0020] Figure 5 For the utility model Figure 4 Enlarged view of point B in the middle;

[0021] Figure 6 For the utility model Figure 4 Enlarged view of point C in the middle;

[0022] Figure 7 This is a diagram showing the main housing structure of the present utility model;

[0023] Figure 8 This is a diagram showing the structure of the front housing of the present invention;

[0024] Figure 9 This is a diagram showing the rear shell structure of the present invention.

[0025] Explanation of the accompanying drawings: 1. Main shell; 2. Front shell; 3. Rear shell; 4. First internal thread; 5. First threaded tube; 6. Second internal thread; 7. Second threaded tube; 8. Inlet pipe; 9. Exhaust pipe; 10. First filter element; 11. First activated carbon filter layer; 12. Metal ring; 13. Second filter element; 14. Third filter element; 15. Second activated carbon filter layer; 16. Fourth filter element; 17. Fixing part; 18. Cutting angle; 19. First rubber ring; 20. Second rubber ring; 21. First through hole; 22. Fixing bolt; 23. Center threaded hole; 24. External thread; 25. Second through hole; 26. Third through hole; 27. Gasket. DETAILED DESCRIPTION

[0026] The following is combined with Figure 1-9 This embodiment is further described:

[0027] like Figure 1 、 Figure 4 、 Figure 5 、 Figure 6 、 Figure 7 、 Figure 8 and Figure 9As shown: In this embodiment, an automobile filter with a long service life includes a main housing 1, a front housing 2 and a rear housing 3. The bottom of the main housing 1 is provided with a first internal thread 4, the top of the front housing 2 is fixedly connected to a first threaded tube 5, the first threaded tube 5 is threadedly connected to the first internal thread 4, the top of the main housing 1 is provided with a second internal thread 6, the bottom of the rear housing 3 is fixedly connected to a second threaded tube 7, the second threaded tube 7 is threadedly connected to the second internal thread 6, the bottom of the front housing 2 is fixedly connected to an intake pipe 8, the top of the rear housing 3 is fixedly connected to an exhaust pipe 9, a first filter element 10 is provided inside the front housing 2, a first activated carbon filter layer 11 is provided on the top of the first filter element 10, and a filter element 12 is provided inside the main housing 1. A metal ring 12 is provided, a second filter element 13 is provided inside the metal ring 12, a third filter element 14 is provided on the top of the second filter element 13, a second activated carbon filter layer 15 is provided inside the rear shell 3, a fourth filter element 16 is provided on the top of the second activated carbon filter layer 15, a fixing part 17 is installed on the surface of the main shell 1, the second filter element 13 and the third filter element 14 have the same size specifications, the front shell 2 and the rear shell 3 have the same size specifications, the first internal thread 4 and the second internal thread 6 have the same size specifications, the first threaded tube 5 and the second threaded tube 7 have the same size specifications, a cut corner 18 is provided on the top of the main shell 1, a cut corner 18 is also provided on the bottom of the main shell 1, and a cut corner 18 is also provided on the front shell 2 and the rear shell 3.

[0028] like Figure 5-7 As shown: a first rubber ring 19 is provided inside the main shell 1, the first rubber ring 19 is at the bottom of the metal ring 12, and the first threaded tube 5 abuts the first rubber ring 19; a second rubber ring 20 is provided inside the main shell 1, the second rubber ring 20 is at the top of the metal ring 12, and the second threaded tube 7 abuts the second rubber ring 20.

[0029] like Figure 1 、 Figure 2 、 Figure 3 、 Figure 5 、 Figure 6 and Figure 7 As shown: a first through hole 21 is opened on the side of the fixing member 17, and a fixing bolt 22 is inserted inside the first through hole 21. There are two first through holes 21 and two fixing bolts 22 respectively. There are two fixing members 17. A central threaded hole 23 is provided inside the fixing member 17. An external thread 24 is provided on the surface of the main shell 1. A second through hole 25 is opened on the side of the fixing member 17. There are two second through holes 25. A third through hole 26 is opened inside the fixing member 17. There are multiple third through holes 26. The third through hole 26, the second through hole 25 and the first through hole 21 are connected to each other. A washer 27 is sleeved on the surface of the fixing bolt 22, and the washer 27 is on the side of the fixing member 17.

[0030] When the utility model is in use: the fixing part 17 is sleeved on the surface of the main shell 1, the fixing part 17 is rotated, the central threaded hole 23 of the fixing part 17 and the external thread 24 on the surface of the main shell 1 interact with each other, and the fixing part 17 reaches the middle of the surface of the main shell 1 to realize the installation of one fixing part 17. Referring to this operation, the installation of the second fixing part 17 is completed. The first threaded tube 5 of the front shell 2 is threadedly connected with the first internal thread 4 of the main shell 1 to realize the installation of the front shell 2 and the main shell 1. The first rubber ring 19 is compressed and contracted, and the first threaded tube 5 and the metal ring 12 are effectively sealed to realize the sealing between the front shell 2 and the main shell 1. The second threaded tube 7 of the rear shell 3 is threadedly connected with the second internal thread 6 of the main shell 1 to realize the installation of the rear shell 3 and the main shell 1. The second rubber ring 20 is compressed and contracted, and the second threaded tube 7 and the metal ring 12 are effectively sealed. The intake pipe 8 is connected to the external air source, and the exhaust pipe 9 is connected to the engine cylinder. The main shell 1 is fixed on other objects using the fixing part 17 and the fixing bolt 22. The second through hole 25 and the third through hole The hole 26 increases the connection direction of the fixing bolt 22, improving flexibility to meet more fixing needs of the filter. During the use of the filter, the air passes through the first filter element 10, the first activated carbon filter layer 11, the second filter element 13, the third filter element 14, the second activated carbon filter layer 15 and the fourth filter element 16 in sequence, and the impurities in the air are filtered and the moisture in the air is adsorbed in sequence. When the filter is used for a long time, the intake pipe 8 is disconnected from the external air source, and the exhaust pipe 9 is disconnected from the engine cylinder. The front housing 2 is turned in the opposite direction, and the first threaded tube 5 is disengaged from the first internal thread 4. The front housing 2 is disassembled and replaced and reinstalled. The rear housing 3 is turned in the opposite direction, and the second threaded tube 7 is disengaged from the second internal thread 6. The internal conditions of the main housing 1 and the rear housing 3 are checked. The second filter element 13 and the third filter element 14 are processed or replaced in a timely manner, and the rear housing 3 is replaced in a timely manner. The filter assembly is completed quickly and efficiently. The internal multi-layer filtration improves the filtering effect. The main components are easy to disassemble and replace, and long-term effective use reduces impurity accumulation.

[0031] While the present invention has been shown and described with reference to preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein within the scope of the claims.

Claims

1. A car filter with a long service life, comprising a main housing (1), a front housing (2) and a rear housing (3), characterized in that: The main housing (1) is provided with a first internal thread (4) at the bottom, the front housing (2) is fixedly connected with a first threaded tube (5) at the top, the first threaded tube (5) is threadedly connected to the first internal thread (4), the main housing (1) is provided with a second internal thread (6) at the top, the rear housing (3) is fixedly connected with a second threaded tube (7), the second threaded tube (7) is threadedly connected to the second internal thread (6), the front housing (2) is fixedly connected with an air intake pipe (8), the rear housing (3) is fixedly connected with an exhaust pipe (9), A first filter element (10) is provided inside the front housing (2), a first activated carbon filter layer (11) is provided on the top of the first filter element (10), a metal ring (12) is provided inside the main housing (1), a second filter element (13) is provided inside the metal ring (12), a third filter element (14) is provided on the top of the second filter element (13), a second activated carbon filter layer (15) is provided inside the rear housing (3), a fourth filter element (16) is provided on the top of the second activated carbon filter layer (15), and a fixing member (17) is installed on the surface of the main housing (1).

2. The automobile filter with a long service life according to claim 1, characterized in that: The second filter element (13) and the third filter element (14) have the same size specifications, the front housing (2) and the rear housing (3) have the same size specifications, the first internal thread (4) and the second internal thread (6) have the same size specifications, and the first threaded tube (5) and the second threaded tube (7) have the same size specifications.

3. The automobile filter with a long service life according to claim 1, characterized in that: The top of the main housing (1) is provided with a cut corner (18), the bottom of the main housing (1) is also provided with a cut corner (18), and the front housing (2) and the rear housing (3) are also provided with cut corners (18).

4. The automobile filter with a long service life according to claim 1, characterized in that: A first rubber ring (19) is provided inside the main housing (1), the first rubber ring (19) is at the bottom of the metal ring (12), and the first threaded tube (5) abuts against the first rubber ring (19).

5. The automobile filter with a long service life according to claim 1, characterized in that: A second rubber ring (20) is provided inside the main housing (1), the second rubber ring (20) is on the top of the metal ring (12), and the second threaded tube (7) abuts against the second rubber ring (20).

6. The automobile filter with a long service life according to claim 1, characterized in that: The fixing member (17) has a first through hole (21) on its side, a fixing bolt (22) is inserted into the first through hole (21), there are two first through holes (21) and two fixing bolts (22), there are two fixing members (17), a central threaded hole (23) is provided inside the fixing member (17), and an external thread (24) is provided on the surface of the main housing (1).

7. The automobile filter with a long service life according to claim 6, characterized in that: The fixing member (17) is provided with a second through hole (25) on its side, and there are two second through holes (25). The fixing member (17) is provided with a third through hole (26) inside, and there are multiple third through holes (26). The third through hole (26), the second through hole (25) and the first through hole (21) are interconnected.

8. The automobile filter with a long service life according to claim 6, characterized in that: A washer (27) is sleeved on the surface of the fixing bolt (22), and the washer (27) is on the side of the fixing member (17).

Citation Information

Patent Citations

  • Long service life's car filter

    CN208456732U