Air filter and vehicle

Abstract

The utility model provides an air filter and a vehicle. The air filter comprises an air filter body, a bottom plate and a sealing assembly. The bottom plate is located at the bottom of the air filter body, and a sand discharging hole is formed in the bottom plate; the sealing assembly is located at the bottom of the bottom plate and elastically connected with the bottom plate, and the elastic direction of the sealing assembly is the direction close to or away from the sand discharging hole so that plugging and opening of the sand discharging hole can be achieved. According to the air filter, the sand discharging hole can be blocked and opened through the elastic deformation capacity of the sealing assembly, so that the problem that the filter element is blocked or even damaged due to the fact that much sand and dust are mixed into the air filter body is solved, and the service life and the maintenance period of the filter element are prolonged; and the use reliability of the filter element in the air filter body is improved, so that the overall use reliability of the air filter is improved, and the working stability of an engine is ensured.

Description

Technical Field

[0001] The present application relates to the technical field of air filtering devices, and more particularly, to an air filter and a vehicle. Background Art

[0002] Vehicles are typically equipped with air filters to remove dust, sand, and other impurities from the engine, thereby extending its service life. However, when driving in extreme environments (such as deserts), large amounts of sand and dust can enter the air filter. This can clog or even damage the filter element, rendering it ineffective in filtering impurities from the air and affecting normal engine operation. Utility Model Content

[0003] The present application provides an air filter and a vehicle, aiming to solve the problem that when a large amount of sand and dust is mixed in the air filter, the filter element of the air filter may be blocked or even damaged, resulting in the air filter being unable to effectively filter impurities in the air, thereby affecting the normal operation of the engine.

[0004] In a first aspect, an air filter is provided, comprising an air filter body, a base plate and a sealing assembly; the base plate is located at the bottom of the air filter body, and a sand discharge hole is formed on the base plate; the sealing assembly is located at the bottom of the base plate and is elastically connected to the base plate, and the elastic direction of the sealing assembly is in a direction close to or away from the sand discharge hole to achieve the blocking and opening of the sand discharge hole.

[0005] In the above technical solution, the sealing component provided by the present application can, based on its own elastic deformation ability, make its elastic direction close to or away from the sand discharge hole, so as to achieve the blocking and opening of the sand discharge hole. When no sand and dust are mixed in or less sand and dust are mixed in, the sand discharge hole is blocked by the sealing component; when a large amount of mixed sand and dust accumulates, the sealing component, based on the gravity exerted by the sand and dust and its own elastic deformation ability, has an elastic direction away from the sand discharge hole, so that the sand discharge hole is opened, so that the sand and dust are discharged from the air filter through the sand discharge hole. When all the sand and dust have been discharged, the gravity borne by the sealing component disappears, and the sealing component can rebound based on its own elastic deformation ability, and the elastic direction is close to the sand discharge hole, so that the sand discharge hole is blocked by the sealing component again. In this way, the elastic deformation ability of the sealing component itself can achieve the blocking and opening of the sand discharge hole, so that when there is a lot of sand and dust, the sand and dust can be discharged from the air filter through the sand discharge hole, avoiding the problem of the filter element being blocked or even damaged due to a lot of sand and dust mixed in the air filter body, thereby extending the service life and maintenance cycle of the filter element, thereby improving the reliability of the filter element in the air filter body, and then improving the reliability of the air filter as a whole, to ensure the working stability of the engine. Secondly, the sand discharge hole can be blocked when there is no sand and dust mixed in, when there is little sand and dust mixed in, or when all the sand and dust mixed in has been discharged from the air filter, to avoid the problem of sand and dust, water vapor or other impurities entering the interior of the air filter body through the sand discharge hole and causing the filter element to be blocked or even damaged, thereby further improving the reliability of the filter element in the air filter body, and then further improving the reliability of the air filter as a whole, to ensure the working stability of the engine.

[0006] In combination with the first aspect, in some possible implementations, a groove is formed on the bottom plate, and the sand discharge hole is formed on the bottom wall of the groove.

[0007] In the above technical solution, the grooves provide an optimal flow path for sand and dust, allowing them to flow quickly and smoothly toward the sand discharge holes, reducing the possibility of sand and dust accumulation. Furthermore, sand and dust mixed into the air filter body can be concentrated and dispersed within the grooves, allowing them to be discharged through the sand discharge holes on the bottom wall of the grooves, thereby improving sand discharge efficiency. Furthermore, the groove design can also enhance the structural strength of the base plate, that is, the grooves can serve as reinforcement ribs to improve the overall rigidity and stability of the base plate.

[0008] In combination with the first aspect and the above implementations, in some possible implementations, the sidewalls of the groove are arcuate surfaces.

[0009] In the above technical solution, when the side wall of the groove is set to an arc surface, the sand and dust are not easy to stay on the side wall of the groove, and are more likely to slide along the arc surface to the bottom of the groove, so that the sand and dust can flow quickly and smoothly to the sand discharge hole, further reducing the possibility of sand and dust accumulation. The arc surface design can reduce the possibility of sand and dust getting stuck in the gap of the side wall of the groove, further reducing the risk of blockage.

[0010] In combination with the first aspect and the above-mentioned implementation manner, in some possible implementation manners, a through hole is further formed on the bottom wall of the groove, and a portion of the sealing assembly is passed through the through hole and is clamped to the bottom plate.

[0011] In the above technical solution, a part of the sealing component is clamped to the base plate through a through hole, which avoids the problem of the sealing component being separated from the base plate due to the large gravity of the sand and dust it bears, and improves the connection firmness between the base plate and the sealing component to ensure the sealing reliability of the sand discharge hole by the sealing component.

[0012] In combination with the first aspect and the above-mentioned implementation methods, in some possible implementation methods, the sealing assembly includes a connector and an elastic cover; one end of the connector is passed through the through hole and is clamped to the base plate; the elastic cover is fixedly connected to the other end of the connector, the elastic cover is located at the bottom of the base plate and is elastically connected to the base plate, and the elastic direction of the elastic cover is towards or away from the sand discharge hole to achieve the blocking and opening of the sand discharge hole.

[0013] In the above technical solution, the elastic cover uses its own elastic deformation ability to block and open the sand discharge holes, preventing sand and dust from clogging and damaging the filter element in the air filter body. This improves the reliability of the filter element in the air filter body, and further improves the reliability of the air filter as a whole, ensuring the operating stability of the engine. Secondly, the connector can improve the reliability and firmness of the connection between the base plate and the elastic cover, ensuring the elastic cover's reliable sealing of the sand discharge holes.

[0014] In combination with the first aspect and the above-mentioned implementation manner, in some possible implementation manners, the surface of the elastic cover is a curved surface, wherein the height of the middle portion of the elastic cover is higher than the height of the peripheral edge of the elastic cover.

[0015] In the above technical solution, by setting the surface of the elastic cover to a curved surface, sand and dust can be quickly and smoothly concentrated on the peripheral edge of the elastic cover, thereby further improving the reliability of sand removal.

[0016] In combination with the first aspect and the above-mentioned implementations, in some possible implementations, an annular boss is provided on a side of the base plate facing the elastic cover, and the annular boss abuts against a peripheral edge of the surface of the elastic cover.

[0017] In the above technical solution, the peripheral edge of the elastic cover abuts against the annular boss to ensure the sealing reliability between the base plate and the elastic cover. When the gravity of the gathered dust applied to the peripheral edge of the elastic cover is greater than the elastic force, based on the gravity of the dust and the elastic force of the elastic cover, the elastic direction of the peripheral edge of the elastic cover will change to a direction away from the base plate, that is, the peripheral edge of the elastic cover is separated from the annular boss to produce a gap, so that the dust can be discharged from the air filter through this gap. After the dust is discharged, the peripheral edge of the elastic cover will rebound according to its own elastic force, that is, its elastic direction will change to a direction close to the base plate, so that it abuts against the annular boss to block the sand discharge hole again, preventing dust, water vapor or other impurities from entering through the gap between the base plate and the elastic cover, and then entering the air filter body through the sand discharge hole to cause the filter element to be blocked or even damaged, thereby improving the sealing reliability between the base plate and the elastic cover.

[0018] In combination with the first aspect and the above-mentioned implementation manner, in some possible implementation manners, the sealing assembly further includes a limiting member, which is sleeved on one end of the connecting member and abuts against the bottom wall of the groove.

[0019] In the above technical solution, the limiting member abuts against the bottom wall of the groove to improve the connection firmness between the connecting member connected thereto and the base plate, thereby improving the connection reliability and connection firmness between the base plate and the elastic cover to ensure the sealing reliability of the elastic cover to the sand discharge hole.

[0020] In combination with the first aspect and the above implementations, in some possible implementations, there are two sand drainage holes, and the two sand drainage holes are symmetrically distributed along the central axis of the bottom plate.

[0021] In the above technical solution, setting the number of sand discharge holes to two can improve the sand discharge efficiency.

[0022] In a second aspect, the present application provides a vehicle comprising a vehicle body and the air filter described in any optional manner in the first aspect, wherein the air filter is mounted on the vehicle body. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a schematic structural diagram of an air filter provided in an embodiment of the present application;

[0024] Figure 2 This is a structural diagram of a base plate and a sealing assembly provided in an embodiment of the present application;

[0025] Figure 3 This is a schematic diagram of the exploded structure of a base plate and a sealing assembly provided in an embodiment of the present application;

[0026] Figure 4 This is a structural diagram of a base plate provided in an embodiment of the present application;

[0027] Figure 5 This is a schematic diagram of the cross-sectional structure of a base plate provided in an embodiment of the present application;

[0028] Figure 6 This is a schematic diagram of the exploded structure of another base plate and sealing assembly provided in an embodiment of the present application;

[0029] Figure 7 is a schematic cross-sectional view of a base plate and a sealing assembly provided in an embodiment of the present application;

[0030] Figure 8 This is a schematic structural diagram of a sealing assembly provided in an embodiment of the present application;

[0031] Figure 9 This is a schematic structural diagram of another base plate and sealing assembly provided in an embodiment of the present application.

[0032] Among them, the reference numerals in the figures are:

[0033] 1. Air filter; 11. Air filter body; 12. Base plate; 12A. Sand discharge hole; 12B. Through hole; 121. Groove; 122. Annular boss; 123. Annular rib; 13. Sealing assembly; 131. Connector; 132. Elastic cover; 133. Limiting member. DETAILED DESCRIPTION

[0034] The following will clearly and thoroughly describe the technical solutions in this application in conjunction with the accompanying drawings. In the description of the embodiments of this application, unless otherwise specified, " / " means or, for example, A / B can mean A or B: "and / or" in the text is only a description of the association relationship of associated objects, indicating that there can be three relationships, for example, A and / or B can mean: A exists alone, A and B exist at the same time, and B exists alone. In addition, in the description of the embodiments of this application, "multiple" means two or more than two.

[0035] In the following, the terms "first" and "second" are used for descriptive purposes only and should not be understood to imply or suggest relative importance or implicitly indicate the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features.

[0036] The engine is the core device to ensure the normal operation of the vehicle. In order to ensure the reliability of the engine, the vehicle is usually equipped with an air filter. The air filter is used to filter out dust, sand and other impurities that enter the engine to prevent these impurities from entering the engine, causing key components such as the piston, cylinder wall and bearings inside the engine to be worn, which in turn leads to a decline in engine performance or even damage, thereby extending the service life of the engine and ensuring the reliability of the engine. However, when the vehicle is traveling in a special environment (such as a desert area), more or less large sand and dust will be mixed into the air filter. When the mixed sand and dust accumulate, it may gradually clog and damage the filter element of the air filter, resulting in the air filter being unable to effectively filter impurities in the air, thereby affecting the normal operation of the engine. When the blockage is serious, it may also cause accelerated wear of the engine, which in turn leads to a reduction in the service life of the engine and even cylinder scuffing.

[0037] In the related art, sand discharge holes are usually directly added at the bottom of the air filter so that the sand and dust mixed in the air filter can be discharged through the sand discharge holes. However, there is no blocking structure at the sand discharge holes, and there may be a phenomenon that sand and dust enter the air filter through the sand discharge holes, resulting in the air filter still having the risk of failure and low reliability.

[0038] To this end, an embodiment of the present application provides an air filter and a vehicle, which can seal and open the sand discharge holes through the elastic deformation ability of the sealing component itself, so as to avoid the problem of excessive sand and dust mixed into the air filter body, causing the filter element to be blocked or even damaged, thereby extending the service life and maintenance cycle of the filter element, improving the reliability of the filter element in the air filter body, and further improving the overall reliability of the air filter to ensure the working stability of the engine.

[0039] The air filter and vehicle provided in the embodiments of the present application are exemplarily introduced below with reference to the accompanying drawings.

[0040] An embodiment of the present application provides a vehicle, including a vehicle body and an air filter. The air filter is mounted on the vehicle body. For example, the air filter can be mounted near the intake manifold of the engine in the vehicle body, on the front bumper, on the top of the engine compartment, on the front air intake, or other locations that can achieve filtering. The specific settings can be made according to the vehicle model and internal space, and this application does not impose specific restrictions on this.

[0041] In one example, if Figure 1As shown, the air filter 1 provided in the present application may include an air filter body 11 and a base plate 12. A filter element (not shown in the figure) is arranged in the air filter body 11. The filter element is used to filter out dust, sand and other impurities entering the engine. The base plate 12 is located at the bottom of the air filter body 11, that is, at this time the base plate 12 and the air filter body 11 form a sealed cavity. The filter element is located in the sealed cavity to store and protect the filter element, so as to avoid the problem of the filter element being damaged by external force during the driving of the vehicle, so as to ensure the reliability of the filter element.

[0042] In order to avoid the problem that the filter element may be blocked or even damaged when a vehicle is driven into a special environment (such as a desert area) due to a lot of sand and dust mixed in the air filter 1, in an example, please refer to Figure 2 and Figure 3 As shown, the air filter 1 further includes a sealing assembly 13. A sand discharge hole 12A is formed on the base plate 12. The sealing assembly 13 is located at the bottom of the base plate 12 and is elastically connected to the base plate 12. The elastic direction of the sealing assembly 13 is toward or away from the sand discharge hole 12A, thereby sealing and opening the sand discharge hole 12A. In this example, when sand and dust enter the air filter body 11, if the elastic direction of the sealing assembly 13 is toward the sand discharge hole 12A, the sand discharge hole 12A is blocked by the sealing assembly 13, and the sand and dust will accumulate in the sand discharge hole 12A and on the sealing assembly 13. If the elastic direction of the sealing assembly 13 is away from the sand discharge hole 12A, the sand discharge hole 12A is opened, and the sand and dust accumulated in the sand discharge hole 12A and on the sealing assembly 13 will be discharged from the air filter body 11, so that the sand and dust mixed in the air filter body 11 can be discharged through the sand discharge hole 12A.

[0043] Here, it can be understood that the elastic connection between the sealing component 13 and the base plate 12 refers to the sealing component 13 having elastic deformation ability. Specifically, initially, the sand discharge hole 12A is blocked by the sealing component 13. It can be understood that the sealing component 13 is in the blocking position at this time, so that the sand discharge hole 12A is blocked. When no sand and dust are mixed into the air filter body 11, the sealing component 13 still remains in the blocking position, that is, the sand discharge hole 12A is still in a blocked state, so as to avoid sand, dust, water vapor or other impurities from entering the air filter body 11 through the sand discharge hole 12A, causing the filter element to be blocked or even damaged, thereby extending the service life and maintenance cycle of the filter element. When there is less sand and dust mixed into the air filter body 11, it will not cause blockage to the filter element inside the air filter body 11. The less sand and dust will gather at the sand discharge hole 12A and be located on the sealing component 13. At this time, the gravity applied by the sand and dust to the sealing component 13 is less than its elastic force, and the sealing component 13 can still be maintained in the blocking position to block the sand discharge hole 12A. When there is a lot of sand and dust mixed in the air filter body 11, the gravity exerted by the sand and dust on the sealing component 13 is greater than its elastic force. Based on the gravity exerted by the sand and dust and the elastic deformation ability of the sealing component 13 itself, the elastic direction of the sealing component 13 will be changed to a direction away from the sand discharge hole 12A. It can be understood that the sealing component 13 is in the open position at this time, so that the sand discharge hole 12A is opened, so that the sand and dust located at the sand discharge hole 12A can be discharged from the air filter 1 through the sand discharge hole 12A, avoiding the problem of the filter element being blocked or even damaged due to a lot of sand and dust mixed in the air filter body 11, thereby extending the service life and maintenance cycle of the filter element, thereby improving the reliability of the filter element in the air filter body 11, and then improving the overall reliability of the air filter 1 to ensure the working stability of the engine. When all the sand and dust at the sand discharge hole 12A has been discharged from the air filter 1 through the sand discharge hole 12A, the gravity borne by the sealing component 13 disappears, and the sealing component 13 can rebound based on its own elastic deformation ability, that is, the elastic direction of the sealing component 13 will be changed to a direction close to the sand discharge hole 12A, so that the sealing component 13 is in the blocking position again, so that the sand discharge hole 12A is blocked again, thereby preventing the problem of sand and dust from entering the interior of the air filter body 11 through the sand discharge hole 12A, thereby extending the service life and maintenance cycle of the filter element.

[0044] In summary, the sealing component 13 provided in the present application can achieve the sealing and opening of the sand discharge hole 12A based on its own elastic deformation ability. When there is no sand or dust mixed in or a small amount of sand and dust mixed in, the sand discharge hole 12A is blocked by the sealing component 13; when a large amount of mixed sand and dust accumulates, the sealing component 13 opens the sand discharge hole 12A based on the gravity exerted by the sand and dust and its own elastic deformation ability, so that the sand and dust are discharged from the air filter 1 through the sand discharge hole 12A. When all the sand and dust have been discharged, the gravity borne by the sealing component 13 disappears, and the sealing component 13 can rebound based on its own elastic deformation ability, so that the sand discharge hole 12A is blocked by the sealing component 13 again. In this way, the elastic deformation ability of the sealing component 13 itself can achieve the blocking and opening of the sand discharge hole 12A, so that when there is a lot of sand and dust, the sand and dust can be discharged from the air filter 1 through the sand discharge hole 12A, avoiding the problem of the filter element being blocked or even damaged due to a lot of sand and dust mixed in the air filter body 11, thereby extending the service life and maintenance cycle of the filter element, thereby improving the reliability of the filter element in the air filter body 11, and further improving the overall reliability of the air filter 1 to ensure the working stability of the engine. Secondly, the sand discharge hole 12A can be blocked when there is no sand and dust mixed in, when there is little sand and dust mixed in, or when all the sand and dust mixed in has been discharged from the air filter 1, to avoid the problem of sand, dust, water vapor or other impurities entering the interior of the air filter body 11 through the sand discharge hole 12A and causing the filter element to be blocked or even damaged, thereby further improving the reliability of the filter element in the air filter body 11, and further improving the overall reliability of the air filter 1 to ensure the working stability of the engine.

[0045] Optional, such as Figure 2 As shown, there are two sand discharge holes 12A, and the two sand discharge holes 12A are symmetrically distributed along the central axis of the bottom plate 12. By setting two sand discharge holes 12A, the sand discharge efficiency can be improved. The number and specific positions of the sand discharge holes 12A can be set according to actual needs. This application does not make any specific restrictions on this.

[0046] Optionally, when the bottom plate 12 is Figure 2 In the case of the circular part shown, the size of the sand discharge hole 12A can be set to one-half, one-third or other sizes of the circular part. The specific size can be set according to actual needs. This application does not make any specific restrictions on this.

[0047] The sand discharge hole 12A can be arranged according to the lowest point of the air filter 1. In one example, Figure 4As shown, a groove 121 is formed in the bottom plate 12, and a sand discharge hole 12A is formed on the bottom wall of the groove 121. In this example, the groove 121 can provide a better flow path for sand and dust, so that the sand and dust can flow quickly and smoothly to the sand discharge hole 12A, reducing the possibility of sand and dust accumulation. It can also concentrate and scatter sand and dust mixed in the air filter body 11 in the groove 121 so that it can be discharged through the sand discharge hole 12A on the bottom wall of the groove 121, thereby improving the sand discharge efficiency. Secondly, the design of the groove 121 can also enhance the structural strength of the bottom plate 12, that is, the groove 121 can serve as a reinforcing rib of the bottom plate 12 to improve the overall rigidity and stability of the bottom plate 12.

[0048] Optional, such as Figure 4 As shown, the groove 121 can be formed in the middle area of ​​the base plate 12 so that the sand and dust mixed in the air filter body 11 can be concentrated and scattered in the middle area of ​​the base plate 12. The groove 121 can also be set in the edge area. This application does not make any specific restrictions on this.

[0049] Optional, such as Figure 4 As shown, when the base plate 12 is a circular plate, the bottom wall of the groove 121 is also circular to match the base plate 12. It can be understood that when the base plate 12 is a plate of other shapes, the shape of the bottom wall of the groove 121 can also be a corresponding shape. This application does not impose any specific restrictions on this.

[0050] In order to further enable the sand and dust to flow quickly and smoothly to the sand discharge hole 12A, in one example, please refer to Figure 4 and Figure 5 As shown, the side wall of the groove 121 is an arc surface. When the side wall of the groove 121 is set as an arc surface, the sand and dust are not easy to stay on the side wall of the groove, and are more likely to slide along the arc surface to the bottom of the groove 121, so that the sand and dust can flow quickly and smoothly to the sand discharge hole 12A, further reducing the possibility of sand and dust accumulation. The arc surface design can reduce the possibility of sand and dust getting stuck in the gap of the groove side wall, further reducing the risk of blockage.

[0051] In order to improve the connection firmness between the bottom plate 12 and the sealing assembly 13, in one example, please refer to Figure 4 As shown, a through hole 12B is further formed on the bottom wall of the groove 121. A portion of the sealing component 13 is passed through the through hole 12B and is clamped with the bottom plate 12. A portion of the sealing component 13 is clamped with the bottom plate 12 through the through hole 12B, thereby avoiding the problem of the sealing component 13 being separated from the bottom plate 12 due to the large gravity of the sand and dust it bears, thereby improving the connection firmness between the bottom plate 12 and the sealing component 13, so as to ensure the sealing reliability of the sealing component 13 on the sand discharge hole 12A.

[0052] Here, it is worth mentioning that Figure 4As shown, when the number of the sand discharge holes 12A is two, the through hole 12B can be provided on the bottom wall of the groove between the two sand discharge holes 12A.

[0053] In one example, if Figure 6 As shown, the sealing assembly 13 includes a connector 131 and an elastic cover 132. One end of the connector 131 is passed through the through hole 12B and is clamped with the base plate 12. The elastic cover 132 is fixedly connected to the other end of the connector 131. The elastic cover 132 is located at the bottom of the base plate 12 and is elastically connected to the base plate 12. The elastic direction of the elastic cover 132 is the direction close to or away from the sand discharge hole 12A to achieve the blocking and opening of the sand discharge hole 12A.

[0054] In this example, the elastic cover 132 can seal and open the sand discharge hole 12A based on its own elastic deformation ability. When there is no sand or dust mixed in or a small amount of sand and dust mixed in, the sand discharge hole 12A is blocked by the elastic cover 132; when a large amount of mixed sand and dust accumulates, based on the gravity exerted by the sand and dust and the elastic deformation ability of the elastic cover 132, the elastic direction of the elastic cover 132 is away from the sand discharge hole 12A, so that the sand discharge hole 12A is opened, so that the sand and dust are discharged from the air filter 1 through the sand discharge hole 12A. When all the sand and dust have been discharged, the gravity borne by the elastic cover 132 disappears, and the elastic cover 132 can rebound based on its own elastic deformation ability, that is, the elastic direction of the elastic cover 132 is close to the sand discharge hole 12A, so that the sand discharge hole 12A is blocked by the sealing component 13 again. Among them, when the elastic direction of the elastic cover 132 is away from the sand discharge hole 12A, since one end of the connecting piece 131 is always passed through the through hole 12B and is clamped with the bottom plate 12, the problem of the elastic cover 132 being separated from the bottom plate 12 under the action of gravity is avoided, and the firmness of the connection between the bottom plate 12 and the elastic cover 132 is ensured, so as to ensure the sealing reliability of the elastic cover 132 to the sand discharge hole 12A.

[0055] In this way, the elastic cover 132 uses its own elastic deformation ability to block and open the sand discharge hole 12A, thereby preventing sand and dust from clogging and damaging the filter element in the air filter body 11. This improves the reliability of the filter element in the air filter body 11 and the reliability of the air filter 1 as a whole, thereby ensuring the operating stability of the engine. Secondly, the connector 131 can improve the reliability and firmness of the connection between the base plate 12 and the elastic cover 132, thereby ensuring the sealing reliability of the elastic cover 132 on the sand discharge hole 12A.

[0056] Optionally, the elastic cover 132 can be made of rubber, plastic, silicone, or other devices that have their own elastic deformation capabilities and can achieve the above functions. This application does not impose any specific restrictions on this.

[0057] Optionally, the elastic cover 132 may be a circular piece with a diameter of 20 to 60 mm (millimeter) and a wall thickness of 1 to 3 mm. The elastic cover 132 may also have structures of other sizes and shapes, and this application does not impose any specific restrictions on this.

[0058] Optionally, the connecting member 131 and the elastic cover 132 may be as follows: Figure 6 The integrated "umbrella-shaped" structure shown can also be an independent structure, which can be set according to actual needs. For example, if you want to simplify the production process, you can use the same process to prepare an integrated connector 131 and elastic cover; if you want to facilitate replacement, the connector 131 and the elastic cover 132 can also be independent structures to facilitate their replacement. This application does not impose any specific restrictions on this.

[0059] Optionally, a protrusion may be provided on the side wall of the connecting member 131, and a groove may be provided in the through hole 12B, and the protrusion on the side wall of the connecting member 131 is snap-fitted with the groove to achieve the snap-fit ​​between the connecting member 131 and the base plate 12; or, a protrusion is provided in the through hole 12B, and a groove is provided on the side wall of the connecting member 131, or other structures that can achieve the snap-fit ​​function can be used, and this application does not impose any specific restrictions on this.

[0060] In an example, see Figure 7 and Figure 8 As shown, the sealing assembly 13 also includes a limit member 133, which is sleeved on one end of the connecting member 131 and abuts against the bottom wall of the groove 121. In this example, the limit member 133 abuts against the bottom wall of the groove 121 to improve the connection firmness between the connecting member 131 connected thereto and the base plate 12, thereby improving the connection reliability and connection firmness between the base plate 12 and the elastic cover 132 to ensure the sealing reliability of the elastic cover 132 on the sand discharge hole 12A.

[0061] Optionally, the limiting member 133 and the connecting member 131 can be an integral structure or an independent structure, and can be specifically configured according to actual needs. This application does not impose any specific restrictions on this.

[0062] In an example, see Figure 7 and Figure 8As shown, the surface of the elastic cover 132 is an arcuate surface, wherein the middle portion of the elastic cover 132 is higher than the peripheral edge height of the elastic cover 132 , thereby creating a gap between the elastic cover 132 and the base plate 12 . In this example, when sand and dust enter the air filter body 11 , they fall onto the base plate 12 and then converge at the sand discharge holes 12A through the grooves 121 . Due to the gap between the elastic cover 132 and the base plate 12 , the sand and dust that converge at the sand discharge holes 12A will fall to the elastic cover 132 below the sand discharge holes 12A due to gravity. Since the middle portion of the elastic cover 132 is higher than the peripheral edge height of the elastic cover 132 , the sand and dust that falls from the middle portion of the elastic cover 132 will slide along the arcuate surface to the peripheral edge of the elastic cover 132 , allowing the sand and dust to quickly and smoothly converge at the peripheral edge of the elastic cover 132 . When the gravity of the gathered dust applied to the edge of the elastic cover 132 is greater than the elastic force, based on the gravity of the dust and the elastic force of the elastic cover 132, the elastic direction of the edge of the elastic cover 132 will change to a direction away from the bottom plate 12, that is, the edge of the elastic cover 132 will separate from the bottom plate 12 to create a gap, so that the dust can be discharged from the air filter 1 through this gap. After the dust is discharged, the edge of the elastic cover 132 will rebound according to its own elastic force, that is, its elastic direction will change to a direction close to the bottom plate 12 to block the sand discharge hole 12A again.

[0063] In this way, by setting the surface of the elastic cover 132 as a curved surface, sand and dust can be quickly and smoothly collected on the peripheral edge of the elastic cover 132, thereby further improving the reliability of sand removal.

[0064] Optionally, the bottom wall of the groove 121 on the bottom plate 12 can also be set as an arc surface that matches the elastic cover 132, that is, the middle height of the bottom wall of the groove 121 is higher than the surrounding edge height of the bottom wall of the groove 121. This application does not make any specific restrictions on this.

[0065] In order to ensure the sealing reliability between the bottom plate 13 and the elastic cover 132, in one example, as shown in FIG. Figure 7As shown, an annular boss 122 is provided on the side of the base plate 12 facing the elastic cover 132, and the annular boss 122 abuts against the peripheral edge of the surface of the elastic cover 132. Initially, the peripheral edge of the elastic cover 132 abuts against the annular boss 122 to ensure the sealing reliability between the base plate 13 and the elastic cover 132. When the gravity of the gathered dust applied to the peripheral edge of the elastic cover 132 is greater than the elastic force, based on the gravity of the dust and the elastic force of the elastic cover 132, the elastic direction of the peripheral edge of the elastic cover 132 will change to a direction away from the base plate 12, that is, the peripheral edge of the elastic cover 132 is separated from the annular boss 122 to form a gap, so that the dust can be discharged from this gap outside the air filter 1. After all the sand and dust are discharged, the edge around the elastic cover 132 will rebound according to its own elastic force, that is, its elastic direction will change to a direction close to the bottom plate 12, so that it abuts against the annular boss 122 to block the sand discharge hole 12A again, preventing sand, dust, water vapor or other impurities from entering through the gap between the bottom plate 13 and the elastic cover 132, and then entering the air filter body 11 through the sand discharge hole 12A, causing the filter element to be blocked or even damaged, thereby improving the sealing reliability between the bottom plate 13 and the elastic cover 132.

[0066] In order to prevent the elastic cover 132 from being lifted radially by strong wind or water flow, resulting in a gap between it and the annular boss 122 and thus losing the sealing function, in one example, please refer to Figure 7 and Figure 9 As shown, the side of the base plate 12 facing the elastic cover 132 is provided with an annular rib 123. The annular rib 123 is arranged around the elastic cover 132, and the thickness of the annular rib 123 is greater than the thickness of the elastic cover 132. In this example, when encountering strong winds or water currents, the annular rib 123 can block these interferences, thereby preventing the elastic cover 132 from being radially lifted by the strong winds or water currents, causing a gap between it and the annular boss 122 and thus losing its sealing function, thereby ensuring the sealing reliability of the elastic cover 132.

[0067] Optionally, the groove 121 , the annular boss 122 and the annular rib 123 on the base plate 12 may be an integrated structure manufactured using the same process, or may be independent structures, and this application does not impose any specific limitation on this.

[0068] In summary, the elastic deformation ability of the sealing component 13 itself can achieve the blocking and opening of the sand discharge hole 12A, so that when there is a lot of sand and dust, the sand and dust can be discharged from the air filter 1 through the sand discharge hole 12A, avoiding the problem of the filter element being blocked or even damaged due to a lot of sand and dust mixed in the air filter body 11, thereby extending the service life and maintenance cycle of the filter element, thereby improving the reliability of the filter element in the air filter body 11, and further improving the overall reliability of the air filter 1 to ensure the working stability of the engine. Secondly, the sand discharge hole 12A can be blocked when there is no sand and dust mixed in, when there is little sand and dust mixed in, or when all the sand and dust mixed in has been discharged from the air filter 1, so as to avoid the problem of sand, water vapor or other impurities entering the air filter body 11 from the sand discharge hole 12A and causing the filter element to be blocked or even damaged, thereby further improving the reliability of the filter element in the air filter body 11, and further improving the overall reliability of the air filter 1 to ensure the working stability of the engine.

[0069] Through the description of the above implementation methods, technical personnel in the relevant field can understand that for the convenience and simplicity of description, only the division of the above-mentioned functional modules is used as an example. In actual applications, the above-mentioned functions can be distributed and completed by different functional modules as needed, that is, the internal structure of the device can be divided into different functional modules to complete all or part of the functions described above.

[0070] In the embodiments provided in this application, it should be understood that the disclosed devices and methods can be implemented in other ways. For example, the device embodiments described above are merely schematic. For example, the division of modules or units is only a logical function division. In actual implementation, there may be other division methods, such as multiple units or components can be combined or integrated into another device, or some features can be ignored or not executed. Another point is that the mutual coupling or direct coupling or communication connection shown or discussed can be through some interfaces, indirect coupling or communication connection of devices or units, which can be electrical, mechanical or other forms.

[0071] The above content is merely a specific embodiment of the present application, but the scope of protection of the present application is not limited thereto. Any changes or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in this application should be included in the scope of protection of the present application. Therefore, the scope of protection of the present application should be based on the scope of protection of the claims.

Claims

1. An air filter (1), applied to a vehicle, characterized in that: The air filter (1) comprises: Air filter body (11); a bottom plate (12), the bottom plate (12) being located at the bottom of the air filter body (11), and having sand discharge holes (12A) formed on the bottom plate (12); and, A sealing component (13) is located at the bottom of the bottom plate (12) and is elastically connected to the bottom plate (12). The elastic direction of the sealing component (13) is a direction close to or away from the sand discharge hole (12A) to achieve the blocking and opening of the sand discharge hole (12A).

2. The air filter (1) according to claim 1, characterized in that The bottom plate (12) is recessed to form a groove (121), and the sand discharge hole (12A) is formed on the bottom wall of the groove (121).

3. The air filter (1) according to claim 2, characterized in that The sidewall of the groove (121) is an arc surface.

4. The air filter (1) according to claim 2, characterized in that A through hole (12B) is also formed on the bottom wall of the groove (121), and a portion of the sealing component (13) is passed through the through hole (12B) and is engaged with the bottom plate (12).

5. The air filter (1) according to claim 4, characterized in that The sealing assembly (13) comprises: a connecting member (131), one end of the connecting member (131) being passed through the through hole (12B) and being engaged with the bottom plate (12); and An elastic cover (132), the elastic cover (132) is fixedly connected to the other end of the connecting piece (131), the elastic cover (132) is located at the bottom of the bottom plate (12) and is elastically connected to the bottom plate (12), and the elastic direction of the elastic cover (132) is a direction close to or away from the sand discharge hole (12A), so as to achieve the blocking and opening of the sand discharge hole (12A).

6. The air filter (1) according to claim 5, characterized in that The surface of the elastic cover (132) is a curved surface, wherein the height of the middle portion of the elastic cover (132) is higher than the height of the peripheral edge of the elastic cover (132).

7. The air filter (1) according to claim 6, characterized in that An annular boss (122) is provided on one side of the bottom plate (12) facing the elastic cover (132), and the annular boss (122) abuts against the peripheral edge of the surface of the elastic cover (132).

8. The air filter (1) according to claim 5, characterized in that The sealing assembly (13) further comprises: A limiting member (133) is sleeved on one end of the connecting member (131) and abuts against the bottom wall of the groove (121).

9. The air filter (1) according to any one of claims 1 to 8, characterized in that: The number of the sand discharge holes (12A) is two, and the two sand discharge holes (12A) are symmetrically distributed along the central axis of the bottom plate (12).

10. A vehicle, characterized in that: include: Vehicle body; as well as, The air filter (1) according to any one of claims 1 to 9, wherein the air filter (1) is mounted on the vehicle body.

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