An air filter protection device

Abstract

This utility model belongs to the field of air filters, specifically an air filter protection device, including an air filter body; a protective cover is provided on the side wall of the air filter body; a coarse filter layer is slidably connected to the inner side wall of the protective cover; a breathable and water-absorbing layer is slidably connected to the inner side wall of the protective cover; the breathable and water-absorbing layer is located on one side of the coarse filter layer; a metal protective mesh is fixedly connected to the side wall of the protective cover; a sealing plate is fixedly connected to the side wall of the protective cover; the sealing plate is connected to the side wall of the air filter body; by blocking large pollutants with the metal protective mesh, the direct impact of large pollutants on the core filter element inside the air filter body can be reduced, reducing physical damage; the coarse filter layer performs coarse filtration of the airflow, which can further reduce the filtration load of the air filter body; after multi-stage filtration, the cleanliness of the airflow entering the air filter body is greatly improved, which can reduce the clogging frequency of the core filter element of the air filter.

Description

Technical Field

[0001] This utility model relates to the field of air filters, specifically an air filter protection device. Background Technology

[0002] Air filters are the core filtration components of mechanical equipment that relies on air intake for operation. Installed in the equipment's air intake system, their core function is to filter out particulate matter such as dust, sand, and impurities from the air. This not only prevents impurities from wearing down internal parts such as cylinders and pistons, but also prevents blockage of the air intake passage, ensuring smooth air intake for the equipment, thereby maintaining stable power, reducing fuel consumption, and extending the service life of the equipment.

[0003] When the air filter is running, outside air containing dust and impurities is first drawn into the air filter's intake chamber. After entering, the clean air, filtered through multiple layers, is stably delivered to the power core of the equipment through the air filter's outlet channel, providing clean air for the equipment's operation and preventing impurities from damaging internal parts or clogging the intake channel.

[0004] Most existing air filters do not have protective covers. When used in areas with high pollution levels, the amount of external dust is large, resulting in a short lifespan of the filter element inside the air filter and requiring frequent replacement. Therefore, an air filter protection device is proposed to address the above problems. Utility Model Content

[0005] In order to overcome the shortcomings of the prior art, at least one technical problem raised in the background art is solved.

[0006] The technical solution adopted by this utility model to solve its technical problem is as follows: An air filter protection device of this utility model includes an air filter body; a protective cover is provided on the side wall of the air filter body; a coarse filter layer is slidably connected to the inner side wall of the protective cover; the coarse filter layer is located on one side of the protective cover; a breathable and water-absorbing layer is slidably connected to the inner side wall of the protective cover; the breathable and water-absorbing layer is located on one side of the coarse filter layer; a metal protective mesh is fixedly connected to the side wall of the protective cover; a sealing plate is fixedly connected to the side wall of the protective cover; the sealing plate is connected to the side wall of the air filter body. Next, a metal protective mesh first blocks large pollutants, reducing their direct impact on the core filter element inside the air filter body and minimizing physical damage. The coarse filtration layer further reduces the filtration load on the air filter body by coarsely filtering the airflow. The breathable and water-absorbing layer adsorbs moisture in the airflow, reducing the formation of mud-like pollutants from the mixture of moisture and dust, which can clog the pores of the filter element inside the air filter body. After multi-stage filtration, the cleanliness of the airflow entering the air filter body is greatly improved, reducing the clogging of the core filter element, extending the replacement cycle, and lowering maintenance costs.

[0007] Preferably, the metal protective mesh is fixedly attached to the side wall with Velcro; the Velcro surrounds the metal protective mesh; a shielding cloth is fixedly attached to the side wall of the Velcro; the shielding cloth is located on one side of the metal protective mesh; after the shielding cloth and Velcro are attached together, the inlet of the breathable and water-absorbing layer can be completely blocked, forming a closed protection, reducing the intrusion of pollutants into the air filter body during the overall shutdown of the air filter body, ensuring that the coarse filter layer and the breathable and water-absorbing layer are still in a clean state when the air filter body is started up again, and can be used normally without prior cleaning.

[0008] Preferably, the top of the metal protective net is damped and connected to a rotating shaft; a shield is fixed to the side wall of the rotating shaft; the tilt angle is adjusted by the cooperation of the shield and the rotating shaft to form a rainproof barrier, preventing rainwater from directly intruding from the opening of the metal protective net, ensuring that the coarse filter layer and the breathable and water-absorbing layer remain dry and maintain normal filtration function.

[0009] Preferably, the protective cover has a magnetic strip fixed to its side wall; the metal protective mesh has multiple sets of insert rods fixed to its side wall; the insert rods are magnetically connected to the magnetic strip; by using the magnetic strip and the insert rods for magnetic connection, disassembly only requires applying a pulling force to the metal protective mesh to detach it from the protective cover, and after cleaning, it can be aligned with the insert rods and pushed in to be fixed by magnetic attraction, thus shortening the maintenance time of the protective cover and improving maintenance efficiency.

[0010] Preferably, multiple sets of guide channels are fixed to the top of the shield; the guide channels are arranged in an array on the top of the shield; by arranging multiple sets of guide channels in an array on the top of the shield, rainwater on the surface of the shield can be quickly collected and guided to drip vertically downwards, further improving the reliability of the shield in preventing rain from the breathable and water-absorbing layer.

[0011] Preferably, a sealing strip is fixed to the top of the protective cover; the sealing strip is located at the top of the breathable and water-absorbing layer; by covering the gap between the top of the coarse filter layer and the breathable and water-absorbing layer with the sealing strip, the gap is further sealed, so that the airflow enters from the metal protective mesh, passes through the coarse filter layer and the breathable and water-absorbing layer to form a complete path, ensuring that the airflow entering the air filter body has high cleanliness and increasing the overall sealing performance of the protective cover.

[0012] The advantages of this utility model are: 1. The air filter protection device described in this utility model first blocks large pollutants with a metal protective mesh, which can reduce the direct impact of large pollutants on the core filter element inside the air filter body and reduce physical damage. The coarse filtration layer performs coarse filtration of the airflow, which can further reduce the filtration load of the air filter body. The breathable and water-absorbing layer adsorbs the moisture in the airflow, which can reduce the formation of mud-like pollutants by moisture and dust mixing and clogging the pores of the filter element inside the air filter body. After multi-stage filtration, the cleanliness of the airflow entering the air filter body is greatly improved, which can reduce the clogging of the core filter element, extend the replacement cycle, and reduce maintenance costs.

[0013] 2. The air filter protection device described in this utility model can completely block the inlet of the breathable and water-absorbing layer after the shielding cloth is connected with Velcro, forming a closed protection, reducing the intrusion of pollutants into the air filter body during the overall shutdown of the air filter body, and ensuring that the coarse filter layer and the breathable and water-absorbing layer and the air filter body are still in a clean state when the next start-up, and can be used normally without prior cleaning. Attached Figure Description

[0014] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0015] Figure 1 This is a schematic diagram of the main body of this utility model; Figure 2 This is a schematic diagram of the sealing plate in this utility model; Figure 3 This is a schematic diagram of the magnetic strip in this utility model; Figure 4 This is a schematic diagram of the insert rod in this utility model; Figure 5 This is a schematic diagram of the flow guide groove in this utility model.

[0016] In the diagram: 1. Air filter body; 11. Protective cover; 12. Coarse filter layer; 13. Breathable and water-absorbing layer; 14. Metal protective mesh; 15. Sealing plate; 2. Velcro; 21. Covering cloth; 3. Rotating shaft; 31. Cover plate; 4. Magnetic strip; 41. Insert rod; 5. Guide groove; 6. Sealing strip. Detailed Implementation

[0017] 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 scope of protection of the present utility model.

[0018] Specific implementation examples are given below.

[0019] like Figures 1 to 5As shown in the embodiment of this utility model, an air filter protection device includes an air filter body 1; a protective cover 11 is provided on the side wall of the air filter body 1; a coarse filter layer 12 is slidably connected to the inner side wall of the protective cover 11; the coarse filter layer 12 is located on one side of the protective cover 11; a breathable and water-absorbing layer 13 is slidably connected to the inner side wall of the protective cover 11; the breathable and water-absorbing layer 13 is located on one side of the coarse filter layer 12; a metal protective mesh 14 is fixedly connected to the side wall of the protective cover 11; a sealing plate 15 is fixedly connected to the side wall of the protective cover 11; the sealing plate 15 is connected to the side wall of the air filter body 1; during operation, the protective cover 11 is installed as a whole at the air inlet position on the side of the air filter body 1, and then a sealing plate 15 adapted to the air filter body 1 is selected and installed on the side of the protective cover 11 to cover the air inlet of the entire air filter body 1. When the air filter body 1 is used in an environment with high dust concentration, the air filter... The air intake of the air filter body 1 first passes through the metal protective mesh 14, which blocks large pollutants in the intake air. Then, the coarse filter layer 12 performs coarse filtration on the airflow. The breathable and water-absorbing layer 13 adsorbs the moisture in the airflow. After passing through the protective cover 11 for overall coarse filtration, the air re-enters the interior of the air filter body 1. By first blocking large pollutants with the metal protective mesh 14, the direct impact of large pollutants on the core filter element inside the air filter body 1 can be reduced, thus reducing physical damage. The coarse filter layer 12 further reduces the filtration load on the air filter body 1. The breathable and water-absorbing layer 13 adsorbs the moisture in the airflow, thus reducing the formation of mud-like pollutants from the mixture of moisture and dust, which can clog the pores of the filter element inside the air filter body 1. After multi-stage filtration, the cleanliness of the airflow entering the air filter body 1 is greatly improved, which can reduce the clogging of the core filter element, extend the replacement cycle, and reduce maintenance costs.

[0020] like Figure 1 and Figure 3 As shown, the metal protective mesh 14 is fixedly attached to the side wall with Velcro 2; the Velcro 2 surrounds the metal protective mesh 14; a shielding cloth 21 is fixedly attached to the side wall of the Velcro 2; the shielding cloth 21 is located on one side of the metal protective mesh 14; during operation, when the air filter body 1 is not in use, the shielding cloth 21 can be installed on the side of the metal protective mesh 14, and the shielding cloth 21 can be glued to the Velcro 2. The shielding cloth 21 will block the inlet of the breathable and water-absorbing layer 13, forming a wrap; after the shielding cloth 21 is glued to the Velcro 2, the inlet of the breathable and water-absorbing layer 13 can be completely blocked, forming a closed protection, reducing the intrusion of pollutants into the air filter body 1 during the overall shutdown of the air filter body 1, ensuring that the coarse filter layer 12 and the breathable and water-absorbing layer 13 and the air filter body are still in a clean state when the next start-up, and can be used normally without prior cleaning.

[0021] like Figures 4 to 5As shown, the top of the metal protective net 14 is damped and connected to a rotating shaft 3; a shield 31 is fixed to the side wall of the rotating shaft 3; during operation, in rainy weather, the shield 31 can be rotated, and the rotating shaft 3 rotates damped by the metal protective net 14, adjusting the angle of the shield 31. The shield 31 can prevent rainwater from entering the interior of the protective cover 11 from the metal protective net 14; by adjusting the tilt angle through the cooperation of the shield 31 and the rotating shaft 3, a rainproof barrier is formed, preventing rainwater from directly intruding from the opening of the metal protective net 14, ensuring that the coarse filter layer 12 and the breathable and water-absorbing layer 13 remain dry and maintain normal filtration function.

[0022] like Figures 3 to 4 As shown, a magnetic strip 4 is fixed to the side wall of the protective cover 11; multiple sets of insert rods 41 are fixed to the side wall of the metal protective mesh 14; the insert rods 41 are magnetically connected to the magnetic strip 4; during operation, after the metal protective mesh 14 has been used for a period of time, a lot of pollutants will accumulate on the surface gaps. When the air filter body 1 is running, the air intake volume is reduced. At this time, a pulling force can be applied to the metal protective mesh 14, and then the magnetic strip 4 can be pulled out from the middle of the insert rod 41. Then the metal protective mesh 14 is disassembled and cleaned, and then the metal protective mesh 14 is placed on the side wall of the insert rod 41. Then the magnetic strip 4 is attracted and fixed to the insert rod 41, and the metal protective mesh 14 is installed. By using magnetic attraction between the magnetic strip 4 and the insert rod 41, when disassembling, only a pulling force needs to be applied to the metal protective mesh 14 to detach it from the protective cover 11. After cleaning, it can be pushed into the insert rod 41 and fixed by magnetic attraction, which shortens the maintenance time of the protective cover 11 and improves maintenance efficiency.

[0023] like Figure 5 As shown, multiple sets of guide channels 5 are fixed to the top of the shield 31; the guide channels 5 are arranged in an array on the top of the shield 31; when working, when the shield 31 blocks rainwater, the rainwater can enter the interior of the guide channels 5, and then the guide channels 5 can guide the water to drip down; by arranging multiple sets of guide channels 5 in an array on the top of the shield 31, the rainwater on the surface of the shield 31 can be quickly collected and guided to drip vertically downward, further improving the reliability of the shield 31 in protecting the breathable and water-absorbing layer 13 from rain.

[0024] like Figure 2 As shown, a sealing strip 6 is fixed to the top of the protective cover 11; the sealing strip 6 is located at the top of the breathable and water-absorbing layer 13; during operation, because the coarse filter layer 12 and the breathable and water-absorbing layer 13 are slidably connected at the top of the protective cover 11 and can be quickly disassembled, gaps will appear at the sliding position of the coarse filter layer 12 and the breathable and water-absorbing layer 13. At this time, the sealing strip 6 can cover the gaps, so that the protective cover 11 is completely sealed; by covering the gap at the top of the coarse filter layer 12 and the breathable and water-absorbing layer 13 with the sealing strip 6, the gap is further sealed, so that the airflow enters from the metal protective mesh 14 and forms a complete path through the coarse filter layer 12 and the breathable and water-absorbing layer 13, ensuring that the airflow entering the air filter body 1 has high cleanliness and increasing the overall sealing performance of the protective cover 11.

[0025] Working principle: The protective cover 11 is installed on the side of the air filter body 1 at the air inlet position. Then, a sealing plate 15 adapted to the air filter body 1 is selected and installed on the side of the protective cover 11, covering the air inlet of the air filter body 1. When the air filter body 1 is used in an environment with high dust concentration, the air drawn in by the air filter body 1 first passes through the metal protective mesh 14, which can block large pollutants in the air. Then, the coarse filter layer 12 performs coarse filtration on the airflow, and the breathable and water-absorbing layer 13 can absorb the moisture in the airflow. The air after coarse filtration by the protective cover 11 re-enters the interior of the air filter body 1. When the air filter body 1 is not in use, the shielding cloth 21 can be installed on the side of the metal protective mesh 14. The shielding cloth 21 can be attached to the Velcro 2. The shielding cloth 21 will block the inlet of the breathable and water-absorbing layer 13, forming a wrap. In rainy weather, the shielding plate 31 can be rotated, and the rotating shaft 3 will be rotated on the metal protective mesh 14. The damping rotation of the protective net 14 adjusts the angle of the shield 31, which prevents rainwater from entering the protective cover 11 from the metal protective net 14. After a period of use, a lot of pollutants will accumulate in the surface gaps of the metal protective net 14. When the air filter body 1 is running, the air intake is reduced. At this time, a pulling force can be applied to the metal protective net 14, and then the magnetic strip 4 can be pulled out from the middle of the insertion rod 41. Then the metal protective net 14 is disassembled and cleaned, and then the metal protective net 14 is placed on the side wall of the insertion rod 41. Then the magnetic strip 4 is attached and fixed to the insertion rod 41. When the shield 31 blocks rainwater, the rainwater can enter the guide channel 5. Then the guide channel 5 can guide the water to drip down. Because the coarse filter layer 12 and the breathable water-absorbing layer 13 are slidably connected at the top of the protective cover 11, they can be quickly disassembled. Gaps will appear at the sliding position of the coarse filter layer 12 and the breathable water-absorbing layer 13. At this time, the sealing strip 6 can cover the gaps, so that the protective cover 11 is completely sealed.

[0026] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model.

Claims

1. An air filter protection device, characterized in that: The air filter includes an air filter body (1); a protective cover (11) is provided on the side wall of the air filter body (1); a coarse filter layer (12) is slidably connected to the inner side wall of the protective cover (11); the coarse filter layer (12) is located on one side of the protective cover (11); a breathable and water-absorbing layer (13) is slidably connected to the inner side wall of the protective cover (11); the breathable and water-absorbing layer (13) is located on one side of the coarse filter layer (12); a metal protective mesh (14) is fixedly connected to the side wall of the protective cover (11); a sealing plate (15) is fixedly connected to the side wall of the protective cover (11); the sealing plate (15) is connected to the side wall of the air filter body (1).

2. The air filter protection device according to claim 1, characterized in that: The metal protective net (14) has Velcro (2) fixed to its side wall; the Velcro (2) surrounds the metal protective net (14); the Velcro (2) has a shielding cloth (21) fixed to its side wall; the shielding cloth (21) is located on one side of the metal protective net (14).

3. The air filter protection device according to claim 2, characterized in that: The metal protective net (14) has a damping connection at the top of a rotating shaft (3); a shield (31) is fixed to the side wall of the rotating shaft (3).

4. The air filter protection device according to claim 3, characterized in that: The protective cover (11) has a magnetic strip (4) fixed to its side wall; the metal protective net (14) has multiple sets of insert rods (41) fixed to its side wall; the insert rods (41) are magnetically connected to the magnetic strips (4).

5. The air filter protection device according to claim 4, characterized in that: Multiple sets of guide grooves (5) are fixed to the top of the baffle (31); the guide grooves (5) are arranged in an array at the top of the baffle (31).

6. The air filter protection device according to claim 5, characterized in that: A sealing strip (6) is fixed to the top of the protective cover (11); the sealing strip (6) is located at the top of the breathable and water-absorbing layer (13).

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