Filter element mounting structure of automobile air filter

Abstract

The utility model discloses a filter element installation structure of an automobile air filter, which comprises a filter cylinder and an air circulation hole arranged on the filter cylinder, a filter element cylinder is further arranged in the filter cylinder, and the filter element cylinder is connected with the filter cylinder through four groups of quick clamping structures. The quick clamping structure comprises a lead-in groove, the lead-in groove is formed in one side of the outer surface of the filtering cylinder, the bottom of the lead-in groove is communicated with a clamping groove, the clamping groove is formed in the inner wall of the filtering cylinder, the lead-in groove and the clamping groove are arranged in a 90-degree included angle, a connecting rod is further clamped in the clamping groove, and one end of the connecting rod is connected with the filter element cylinder; according to the filter element cylinder assembly, the filter element cylinder can be conveniently and rapidly installed, the installation operation is convenient and fast, meanwhile, the filter element cylinder can be reversely rotated during disassembly, the filter element cylinder can be conveniently disassembled and assembled, and the stability of the filter element cylinder during installation is improved.

Description

Technical Field

[0001] This utility model belongs to the field of automotive air filter technology, specifically relating to the filter element installation structure of automotive air filters. Background Technology

[0002] An automotive air filter is an item that removes particulate impurities from the air inside a car. The car's cabin air filter can effectively reduce pollutants entering the car through the heating, ventilation, and air conditioning systems, preventing the inhalation of harmful pollutants. The filter element is the core component of the air filter, used to adsorb and filter pollutants in the air, and usually needs to be replaced regularly.

[0003] As disclosed in the utility model patent CN219548994U, a filter element installation structure for an automotive air filter includes a filter cartridge. The top of the filter cartridge has four sets of limiting grooves, and the inner walls of both sides of each of the four sets of limiting grooves have arc-shaped grooves. Arc-shaped plates are movably installed inside the arc-shaped grooves on the corresponding side of each limiting groove, and a toggle plate is installed on one side of the top of each arc-shaped plate. A limiting rod is installed on the inner wall of the bottom of the filter cartridge, and a limiting sleeve is movably fitted onto the outer surface of the limiting rod. This technical solution effectively solves the shortcomings of existing conventional air filters, such as short service life, frequent disassembly and cleaning or replacement of the filter element, poor filtration effect, and high intake resistance. However, the above solution requires sequentially toggling the four sets of arc-shaped plates after the filter cartridge is positioned, which is cumbersome and inconvenient for quick disassembly and assembly of the filter cartridge. Furthermore, it cannot perform multi-stage positioning of the filter cartridge during installation, resulting in poor filter cartridge stability. Therefore, we propose this filter element installation structure for an automotive air filter. Utility Model Content

[0004] The purpose of this utility model is to provide a filter element installation structure for automotive air filters, in order to solve the problems mentioned in the background art, where after the filter element cylinder is positioned, four sets of arc plates need to be moved sequentially to position it. The positioning operation is cumbersome and it is not convenient to quickly disassemble and assemble the filter element cylinder. At the same time, it is not possible to perform multi-stage positioning of the filter element cylinder during installation, resulting in poor stability of the filter element cylinder.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a filter element installation structure for an automotive air filter, including a filter cartridge and an air flow hole disposed on the filter cartridge, wherein a filter element cylinder is also disposed inside the filter cartridge, and the filter element cylinder is connected to the filter cartridge through four sets of quick-clamping structures;

[0006] The quick-connect structure includes an inlet groove, which is disposed on one side of the outer surface of the filter cartridge. The bottom of the inlet groove is connected to the snap-fit ​​groove, which is disposed on the inner wall of the filter cartridge. The inlet groove and the snap-fit ​​groove are arranged at a 90° angle. A connecting rod is also snapped into the snap-fit ​​groove, and one end of the connecting rod is connected to the filter cartridge.

[0007] The filter cartridge end is also provided with a cover structure for multi-stage fixing of the filter cartridge.

[0008] Preferably, a storage groove is also provided on one side of the bottom of the connecting rod, and the storage groove is movably disposed on the arc-shaped positioning pin, so that the arc-shaped positioning pin can move within the storage groove.

[0009] Preferably, a return spring is provided on one side surface of the storage groove, and one end of the return spring is connected to the arc-shaped positioning pin. Through the elastic force of the return spring, the arc-shaped positioning pin can be automatically engaged in the engagement groove.

[0010] Preferably, an arc-shaped groove is provided on one side surface of the snap-fit ​​groove, which corresponds to the arc-shaped positioning pin, and can position the arc-shaped positioning pin to improve the stability of the snap-fit ​​of the arc-shaped positioning pin.

[0011] Preferably, a lower positioning rod is provided at the bottom of the filter cartridge, and the lower positioning rod corresponds to the groove at the bottom of the filter cartridge, which can position and install the filter cartridge and the filter cartridge.

[0012] Preferably, the upper part of the filter cartridge is also provided with a positioning rod, which enables the filter cartridge to be connected and fixed to the end cap.

[0013] Preferably, the cover structure includes an end cap, and the bottom of the end cap is provided with four sets of sealing blocks. The sealing blocks correspond to the inlet groove. When the end cap is installed, the inlet groove can be sealed and the connecting rod can be positioned in a secondary manner.

[0014] Preferably, a positioning sleeve is also provided in the middle of the end cap, and the positioning sleeve corresponds to the upper positioning rod, which can position and fix the upper positioning rod.

[0015] Preferably, the outer surface of the positioning sleeve is further provided with a plurality of reinforcing ribs arranged in a ring at equal intervals, one end of which is connected to the inner wall of the end cap to improve the overall compressive strength of the positioning sleeve and the end cap.

[0016] Compared with the prior art, the beneficial effects of this utility model are:

[0017] (1) When installing the filter cartridge, the connecting rod is first guided into the snap-fit ​​groove through the guide groove. Then, the filter cartridge is rotated clockwise to simultaneously snap the connecting rod into the snap-fit ​​groove, which facilitates the quick installation of the filter cartridge. The installation operation is convenient. At the same time, when disassembling, the filter cartridge can be rotated in the opposite direction, which facilitates the disassembly and assembly of the filter cartridge.

[0018] (2) This utility model can perform synchronous multi-level pressing and positioning of the connecting rod and the filter cartridge, which greatly improves the stability of the filter cartridge during installation. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the split structure of this utility model;

[0020] Figure 2 This is a schematic diagram of the filter cartridge in this utility model;

[0021] Figure 3 for Figure 2 Enlarged structural diagram at point A;

[0022] Figure 4 This is a schematic diagram of the filter cartridge structure in this utility model;

[0023] Figure 5 This is a half-sectional structural diagram of the connecting rod in this utility model;

[0024] Figure 6 This is a first-view structural diagram of the cover structure in this utility model;

[0025] Figure 7 This is a second-view structural diagram of the cover structure in this utility model;

[0026] In the diagram: 1. Quick-connect structure; 2. Cover structure; 3. Filter cartridge; 4. Filter housing; 5. Air circulation hole; 11. Inlet groove; 12. Snap-fit ​​groove; 13. Arc-shaped snap-fit ​​groove; 14. Connecting rod; 15. Return spring; 16. Storage groove; 17. Arc-shaped positioning pin; 21. End cap; 22. Sealing block; 23. Bolt mounting hole; 24. Reinforcing rib; 25. Positioning sleeve; 31. Upper positioning rod; 32. Lower positioning rod. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0028] Please see Figures 1-5 This utility model provides a technical solution: a filter element installation structure for an automotive air filter, wherein multiple sets of air flow holes 5 are evenly arranged on the filter cylinder 4, and a filter element cylinder 3 is also provided inside the filter cylinder 4, and the filter element cylinder 3 is connected to the filter cylinder 4 through four sets of quick-clamping structures 1;

[0029] The quick-connect structure 1 includes an inlet groove 11, which is located on one side of the outer surface of the filter cartridge 4. The bottom of the inlet groove 11 is connected to the snap-fit ​​groove 12, which is located on the inner wall of the filter cartridge 4. The inlet groove 11 and the snap-fit ​​groove 12 are arranged at a 90° angle. A connecting rod 14 is also snapped into the snap-fit ​​groove 12. One end of the connecting rod 14 is connected to the filter cartridge 3. A storage groove 16 is also provided on one side of the bottom of the connecting rod 14. The storage groove 16 is movably mounted on the arc-shaped positioning pin 17, which allows the arc-shaped positioning pin 17 to move within the storage groove 16.

[0030] A return spring 15 is provided on one side surface of the storage slot 16. One end of the return spring 15 is connected to the arc-shaped positioning pin 17. Through the elastic force of the return spring 15, the arc-shaped positioning pin 17 can be automatically engaged in the engagement slot 12. An arc-shaped slot 13 is provided on one side surface of the engagement slot 12. The arc-shaped slot 13 corresponds to the arc-shaped positioning pin 17 and can position the arc-shaped positioning pin 17, thereby improving the engagement stability of the arc-shaped positioning pin 17.

[0031] During the installation of the filter cartridge 3, align the four sets of connecting rods 14 with the inlet grooves 11, insert the four sets of connecting rods 14 into the four sets of inlet grooves 11, and push the filter cartridge 3 downward. The filter cartridge 3 simultaneously drives the four sets of connecting rods 14 to move downward in the guide groove. When the connecting rods 14 move to the bottom of the inlet groove 11, the arc-shaped positioning pin 17 moves in the receiving groove 16 and compresses the return spring 15. Then, rotate the filter cartridge 3 clockwise. The filter cartridge 3 synchronously drives the four sets of connecting rods 14 to rotate and moves the connecting rods 14 into the snap-fit ​​groove 12. At the same time, the arc-shaped positioning pin 17 moves to the position of the arc-shaped snap-fit ​​groove 13. The return spring 15 drives the arc-shaped positioning pin 17 to reset and move, and snaps the arc-shaped positioning pin 17 into the arc-shaped snap-fit ​​groove 13. Thus, the filter cartridge 3 is quickly positioned in the snap-fit ​​groove 12, completing the rapid installation of the filter cartridge 3.

[0032] When the filter cartridge 3 needs to be replaced, rotate the filter cartridge 3 counterclockwise. The filter cartridge 3 will drive the connecting rod 14 to rotate counterclockwise, and the connecting rod 14 can be removed from the inlet groove 11. The disassembly and assembly are convenient.

[0033] Furthermore, a lower positioning rod 32 is provided at the bottom of the filter cartridge 3. The lower positioning rod 32 corresponds to the groove at the bottom of the filter cartridge 4, which can position and install the filter cartridge 3 and the filter cartridge 4.

[0034] Furthermore, a positioning rod 31 is provided on the upper part of the filter cartridge 3, which enables the filter cartridge 3 to be connected and fixed to the end cap 21.

[0035] Please see Figure 6 as well as Figure 7The filter cartridge 4 is also provided with a cover structure 2 at the end. The cover structure 2 includes an end cover 21. The bottom of the end cover 21 is also provided with four sets of sealing blocks 22. The sealing blocks 22 correspond to the inlet groove 11. When the end cover 21 is installed, it can seal the inlet groove 11 and perform secondary positioning of the connecting rod 14. The middle part of the end cover 21 is also provided with a positioning sleeve 25. The positioning sleeve corresponds to the upper positioning rod 31 and can position and fix the upper positioning rod 31.

[0036] After the filter cartridge 3 is installed, align the four sets of sealing blocks on the end cap 21 with the inlet groove 11, push the end cap 21 down, and the end cap 21 will drive the four sets of sealing blocks 22 to move in the inlet groove 11 and completely insert the four sets of sealing blocks 22 into the inlet groove 11. The sealing blocks will position and fix the connecting rod 14. At the same time, the positioning sleeve 25 on the end cap 21 will press the upper positioning rod 31, which can hold and fix the filter cartridge 3.

[0037] The end cap 21 is also provided with bolt mounting holes 23, and the end cap 21 and the filter cartridge 4 are locked and fixed by locking bolts.

[0038] Furthermore, the outer surface of the positioning sleeve 25 is also provided with several reinforcing ribs 24 arranged in a ring at equal intervals. One end of the reinforcing ribs 24 is connected to the inner wall of the end cover 21 to improve the overall compressive strength of the positioning sleeve 25 and the end cover 21.

[0039] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A filter element mounting structure for an automotive air filter, comprising a filter cartridge (4) and an air flow hole (5) disposed on the filter cartridge (4), characterized in that: The filter cartridge (4) is also provided with a filter element cartridge (3), which is connected to the filter cartridge (4) through four sets of quick-connect structures (1); The quick-connect structure (1) includes an inlet groove (11), which is located on one side of the outer surface of the filter cartridge (4). The bottom of the inlet groove (11) is connected to the snap-fit ​​groove (12). The snap-fit ​​groove (12) is located on the inner wall of the filter cartridge (4). The inlet groove (11) and the snap-fit ​​groove (12) are arranged at a 90° angle. A connecting rod (14) is also snapped into the snap-fit ​​groove (12). One end of the connecting rod (14) is connected to the filter cartridge (3). The filter cartridge (4) is also provided with a cover structure (2) for multi-stage fixing of the filter cartridge (3).

2. The filter element installation structure of the automotive air filter according to claim 1, characterized in that: The bottom side of the connecting rod (14) is also provided with a storage groove (16), which is movably set on the arc-shaped positioning pin (17).

3. The filter element installation structure of the automotive air filter according to claim 2, characterized in that: A reset spring (15) is provided on one side surface of the storage groove (16), and one end of the reset spring (15) is connected to the arc-shaped positioning pin (17).

4. The filter element mounting structure of the automotive air filter according to claim 1, characterized in that: An arc-shaped slot (13) is provided on one side surface of the slot (12), and the arc-shaped slot (13) corresponds to the arc-shaped positioning pin (17).

5. The filter element mounting structure of the automotive air filter according to claim 1, characterized in that: The bottom of the filter cartridge (3) is provided with a lower positioning rod (32), which corresponds to the groove at the bottom of the filter cartridge (4).

6. The filter element mounting structure of the automotive air filter according to claim 5, characterized in that: The filter cartridge (3) is also provided with an upper positioning rod (31).

7. The filter element installation structure of the automotive air filter according to claim 1, characterized in that: The cover structure (2) includes an end cap (21), and four sets of sealing blocks (22) are provided at the bottom of the end cap (21), and the sealing blocks (22) correspond to the inlet groove (11).

8. The filter element mounting structure of the automotive air filter according to claim 7, characterized in that: The end cap (21) is also provided with a positioning sleeve (25) in the middle, which corresponds to the upper positioning rod (31).

9. The filter element mounting structure of the automotive air filter according to claim 8, characterized in that: The outer surface of the positioning sleeve (25) is also provided with several reinforcing ribs (24) arranged in a ring at equal intervals, and one end of the reinforcing ribs (24) is connected to the inner wall of the end cap (21).

Images