Particulate matter air filter for exhaust system of internal combustion engine

Abstract

The invention belongs to the technical field of internal combustion engine exhaust, and particularly relates to a particulate air filter for an internal combustion engine exhaust system, the particulate air filter comprises a filter connecting pipe, an adapter pipe and a filter tail pipe, the outer walls of the filter connecting pipe and the filter tail pipe are fixedly connected with sealing bearings, and the adapter pipe is fixedly connected to the outer rings of the two sealing bearings; and the outer walls of the filtering connecting pipe and the filtering tail pipe are fixedly connected with a connecting frame. According to the invention, the rotating strip-shaped bristles can be utilized to rotatably sweep particulate matters adsorbed on the metal filter screen plate, self-cleaning of the metal filter screen plate is completed, the intercepting and filtering effect of the metal filter screen plate on the particulate matters is ensured, and meanwhile, the collecting frame body can be utilized to collect and discharge the intercepted and filtered particulate matters, so that the cleaning efficiency is improved. The maintenance operation convenience of the filter is improved, and high-frequency vibration of the fiber filter screen plate can be realized, so that tiny impurities can be separated from the fiber filter screen plate due to high-frequency vibration, and the intercepting and filtering effects of the filter on particulate matters and the tiny impurities are further ensured.

Description

Technical Field

[0001] The invention belongs to the technical field of internal combustion engine exhaust, and in particular relates to a particulate air filter for an internal combustion engine exhaust system. Background Art

[0002] The exhaust system of an internal combustion engine refers to a series of devices that collect and direct the exhaust gas generated after combustion in the internal combustion engine. It usually includes components such as exhaust pipes, mufflers and filters. Its main function is to ensure that the exhaust gas can be discharged smoothly and safely to the external environment. The air filter used in the exhaust system of an internal combustion engine is a key component. It can fully intercept and filter pollutants such as particulate matter and tiny impurities in the exhaust gas to reduce the pollution of the exhaust gas to the atmospheric environment and improve the emission quality of the exhaust gas from the internal combustion engine.

[0003] However, existing particulate air filters for internal combustion engine exhaust systems often have the following problems when used:

[0004] The main function of the air filter in the exhaust system of an internal combustion engine is to intercept and filter particulate matter and various tiny impurities in the exhaust gas. The particulate matter adsorbed by the filter is easy to adhere to the filter net, resulting in a reduction in the filter's interception and filtration effect on the particulate matter, affecting the emission quality of the internal combustion engine's exhaust gas. In addition, the particulate matter intercepted and filtered by the filter is difficult to collect and discharge, making the filter maintenance operation more inconvenient and affecting the filter's service life. Summary of the invention

[0005] The purpose of the present invention is to provide a particulate air filter for an internal combustion engine exhaust system that can achieve self-cleaning of the filter mesh in the filter, maintain the intercepting and filtering effect of the filter, facilitate the collection and discharge of particulate matter, and improve the convenience of filter maintenance operations in order to address the problems that the particulate matter and tiny impurities adsorbed by the above-mentioned filter will affect its intercepting and filtering effect, and the intercepted and filtered particulate matter is inconvenient to collect and discharge.

[0006] To achieve the above-mentioned purpose, the present invention adopts the following technical solutions: a particulate air filter for an exhaust system of an internal combustion engine, comprising a filter connecting pipe, a transfer pipe and a filter tail pipe, wherein the filter connecting pipe and the outer walls of the filter tail pipe are fixedly connected to sealed bearings, the transfer pipe is fixedly connected to two outer rings of sealed bearings, the filter connecting pipe and the outer walls of the filter tail pipe are fixedly connected to a connecting frame, the inner wall of the filter connecting pipe is fixedly connected to a metal filter screen plate, the inner wall of the filter tail pipe is slidably connected to an annular rod, and the inner side of the annular rod is fixedly connected to a fiber filter screen plate;

[0007] A self-cleaning component, the self-cleaning comprising a ventilation plate fixedly connected to the inner wall of the filter connecting pipe, the ventilation plate fixedly connected to the ventilation pipe, a rotating shaft passing through the middle of the ventilation plate and rotatably connected, an impeller disk fixedly connected to the outer wall of the rotating shaft, a cleaning rod fixedly connected to the end of the rotating shaft, and strip bristles fixedly connected to the cleaning rod;

[0008] A collecting assembly, wherein the collecting assembly is fixedly connected to the outer wall of the filter connecting pipe;

[0009] A high-frequency vibration component is fixedly connected to the inner wall of the filter tail pipe.

[0010] Preferably, the plurality of ventilation tubes are arranged in a funnel-shaped structure, and the plurality of ventilation tubes are evenly arranged in a circular array.

[0011] Preferably, the collecting assembly comprises a collecting frame fixedly connected to the outer wall of the filter connecting tube, the circumferential side wall of the filter connecting tube is provided with a through hole, the filter connecting tube is connected to the collecting frame through the through hole, and two quick-disassembly components are fixedly connected to the outer wall of the collecting frame.

[0012] Preferably, the quick disassembly and assembly component includes an arc-shaped mounting side plate fixedly connected to the outer wall of the collection frame, a mounting hole is opened on the arc-shaped mounting side plate, a mounting sleeve is fixedly connected to the connecting frame, a plug-in shaft is slidably connected through the axial side wall of the mounting sleeve, the plug-in shaft matches the mounting hole, and the outer wall of the plug-in shaft located in the mounting sleeve is fixedly connected with an abutment plate, and a No. 1 compression spring is fixedly connected between the abutment plate and the inner wall of the mounting sleeve.

[0013] Preferably, the high-frequency vibration component includes an annular limit bracket fixedly connected to the inner wall of the filter tail pipe, two sliding pins are fixedly connected to the annular rod, two through holes are provided on the annular limit bracket, the sliding pins match the through holes, a No. 2 compression spring is fixedly connected between the annular rod and the annular limit bracket, and between the annular limit bracket and the end of the sliding pin, and a vibration driving component is fixedly connected to the inner wall of the transfer tube.

[0014] Preferably, the vibration driving component includes two rotating brackets fixedly connected to the inner wall of the transfer tube, rollers are rotatably connected to the two rotating brackets, an annular corrugated plate is fixedly connected to the annular rod, and the rollers are fitted with the annular corrugated plate, two gear rings are fixedly connected to the outer wall of the transfer tube, a rotating rod is rotatably connected to the connecting frame, two transmission gears are fixedly connected to the outer wall of the rotating rod, and the two transmission gears are respectively meshed with the two gear rings, a low-speed motor is fixedly connected to the connecting frame, and the output end of the low-speed motor is fixedly connected to the end of the rotating rod.

[0015] Preferably, a sliding hole is provided on the connecting frame, the plug-in shaft matches the sliding hole, and a traction paddle is fixedly connected to the end of the plug-in shaft away from the mounting sleeve.

[0016] Preferably, the roller is made of titanium carbonitride-based hard alloy, and the outer surface of the roller is provided with transverse anti-slip grooves.

[0017] Compared with the existing technology, the advantages of the particulate air filter for the internal combustion engine exhaust system are:

[0018] 1. The present invention is provided with a self-cleaning component, which drives the impeller disc to rotate through the exhaust gas flow discharged from the exhaust system of the internal combustion engine, and uses a plurality of ventilation pipes to accelerate the flow rate of the exhaust gas, so that the impeller disc, the rotating shaft and the cleaning rod can rotate quickly, and then the rotating strip bristles can be used to perform rotational cleaning on the particles adsorbed on the metal filter plate, so as to complete the self-cleaning of the metal filter plate, avoid the clogging of the metal filter plate due to excessive interception of particles, and ensure the interception and filtering effect of the metal filter plate on the particles.

[0019] 2. The present invention provides a collecting assembly, and the particles that fall off the metal filter plate after cleaning will enter the collecting frame, so as to prevent the particles that fall off after cleaning from accumulating inside the filter connecting pipe, and a No. 1 compression spring can be used to elastically push the plug-in shaft to move, so that the plug-in shaft can automatically plug and fix the arc-shaped mounting side plate on the outer wall of the collecting frame, so as to realize the rapid installation and disassembly of the collecting frame relative to the filter connecting pipe, thereby facilitating the collection and discharge of the intercepted and filtered particles, and improving the convenience of filter maintenance operations.

[0020] 3. A high-frequency vibration component is provided in the present invention, which drives the transfer tube and the two rollers inside it to rotate relative to the filter tail pipe, so that the two rollers can quickly push the annular rod to move back and forth through the pressing cooperation with the annular corrugated plate, and at the same time, the elastic action of the No. 2 compression spring can be used to push the annular rod to reset and accelerate the reciprocating sliding speed of the annular rod relative to the inner wall of the filter tail pipe to achieve high-frequency vibration of the annular rod and the fiber filter plate, so that tiny impurities can be separated from the fiber filter plate due to the high-frequency vibration, thereby ensuring the filtering permeability of the fiber filter plate, thereby further ensuring the interception and filtering effect of the filter on particulate matter and tiny impurities. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a three-dimensional structural schematic diagram of a particulate air filter for an internal combustion engine exhaust system provided by the present invention.

[0022] Figure 2 The invention discloses an exploded view of the structure of a filter connecting pipe, a transfer pipe and a filter tail pipe in a particulate air filter for an internal combustion engine exhaust system provided by the present invention.

[0023] Figure 3 The present invention is a cross-sectional view of a filter connecting pipe in a particulate air filter for an internal combustion engine exhaust system.

[0024] Figure 4 The present invention is a cross-sectional view of a transfer pipe structure of a particulate air filter for an internal combustion engine exhaust system.

[0025] Figure 5 It is a schematic diagram of the partial structure of a high-frequency vibration component in a particulate air filter for an internal combustion engine exhaust system provided by the present invention.

[0026] Figure 6 It is a schematic diagram of the structure of a collecting frame portion of a particulate air filter for an internal combustion engine exhaust system provided by the present invention.

[0027] Figure 7 The present invention is a cross-sectional view of a sleeve installation structure in a particulate air filter for an internal combustion engine exhaust system.

[0028] In the figure: 1 filter connecting pipe, 2 adapter pipe, 3 filter tail pipe, 4 sealed bearing, 5 connecting frame, 6 metal filter plate, 7 annular rod, 8 fiber filter plate, 9 ventilation plate, 10 ventilation pipe, 11 rotating shaft, 12 impeller plate, 13 cleaning rod, 14 strip bristles, 15 collecting frame, 16 arc-shaped mounting side plate, 17 mounting hole, 18 mounting sleeve, 19 plug-in shaft, 20 abutment plate, 21 No. 1 compression spring, 22 annular limit bracket, 23 sliding pin shaft, 24 No. 2 compression spring, 25 rotating bracket, 26 roller, 27 annular corrugated plate, 28 gear ring, 29 rotating rod, 30 transmission gear, 31 low-speed motor, 32 traction paddle. DETAILED DESCRIPTION

[0029] The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.

[0030] like Figure 1-Figure 7As shown, a particulate air filter for an internal combustion engine exhaust system comprises a filter connecting pipe 1, a transfer pipe 2, a filter tail pipe 3, a self-cleaning component, a collecting component and a high-frequency vibration component. The outer walls of the filter connecting pipe 1 and the filter tail pipe 3 are fixedly connected with a sealing bearing 4, the transfer pipe 2 is fixedly connected to the outer rings of two sealing bearings 4, the outer walls of the filter connecting pipe 1 and the filter tail pipe 3 are fixedly connected with a connecting frame 5, the inner wall of the filter connecting pipe 1 is fixedly connected with a metal filter screen plate 6, the inner wall of the filter tail pipe 3 is slidably connected with an annular rod 7, and the inner side of the annular rod 7 is fixedly connected with a fiber filter screen plate 8; the self-cleaning component comprises a filter connecting pipe 1 and a filter tail pipe 3, wherein the filter connecting pipe 1 is fixedly connected with a metal filter screen plate 6, and ... fixedly connected with an annular rod 7, and the inner side of the annular rod 7 is fixedly connected with a fiber filter screen plate 8; the self-cleaning component comprises a filter connecting pipe 1 and a filter tail pipe 3, wherein the filter connecting pipe 1 is fixedly connected with a metal filter screen plate 6, and the filter tail pipe 3 is fixedly connected with an annular rod 7; the self-cleaning component comprises a filter connecting pipe 1 and a filter tail pipe 3, wherein the filter connecting pipe 1 is fixedly connected with a metal filter screen plate 6, and the filter tail pipe 3 is fixedly connected with an an A ventilation plate 9 is provided on the inner wall of the filter connecting pipe 1, and a ventilation pipe 10 is fixedly connected to the ventilation plate 9. The ventilation pipes 10 are all arranged in a funnel-shaped structure, and the ventilation pipes 10 are evenly arranged in a circular array. A rotating shaft 11 is rotatably connected to the middle of the ventilation plate 9. A supporting rotating frame is provided on the inner wall of the filter connecting pipe 1. A rotating hole is provided on the supporting rotating frame. The rotating shaft 11 is located at the rotating hole. The supporting rotating frame can fully support the rotating operation of the rotating shaft 11. An impeller disk 12 is fixedly connected to the outer wall of the rotating shaft 11. A cleaning rod 13 is fixedly connected to the end of the rotating shaft 11. A strip bristle 14 is fixedly connected to the cleaning rod 13.

[0031] The exhaust gas flow discharged from the exhaust system of the internal combustion engine is used to drive the impeller disk 12 to rotate. In this process, the exhaust gas will first pass through a plurality of vent pipes 10 on the vent plate 9, and the vent pipes 10 are funnel-shaped, that is, the diameter of the vent pipes 10 gradually decreases. According to the narrow tube effect, under the condition of constant flow, the cross-sectional area of ​​the fluid passing through the reduced diameter portion becomes smaller, and the speed of the fluid becomes larger. Therefore, the plurality of vent pipes 10 can accelerate the flow rate of the exhaust gas, so that the impeller disk 12, the rotating shaft 11 and the cleaning rod 13 can rotate quickly, so that the strip bristles 14 on the cleaning rod 13 can be used to rotationally clean the particulate matter adsorbed on the metal filter plate 6, thereby realizing the self-cleaning function of the metal filter plate 6, thereby avoiding the blockage of the metal filter plate 6 due to excessive interception of particulate matter, and ensuring the interception and filtering effect of the metal filter plate 6 on particulate matter.

[0032] like Figure 1 , Figure 2 , Figure 6 and Figure 7As shown, the collecting assembly is fixedly connected to the outer wall of the filter connecting tube 1, and the collecting assembly includes a collecting frame 15 fixedly connected to the outer wall of the filter connecting tube 1. The circumferential side wall of the filter connecting tube 1 is provided with a through hole, and the filter connecting tube 1 is connected to the collecting frame 15 through the through hole. The outer wall of the collecting frame 15 is fixedly connected to two quick-disassembly components, and the quick-disassembly components include an arc-shaped mounting side plate 16 fixedly connected to the outer wall of the collecting frame 15, and the arc-shaped mounting side plate 16 is provided with a mounting hole 17. A mounting sleeve 18 is fixedly connected, and a plug-in shaft 19 is slidably connected to the axial side wall of the mounting sleeve 18, and the plug-in shaft 19 matches the mounting hole 17. The outer wall of the plug-in shaft 19 located in the mounting sleeve 18 is fixedly connected with an abutment sheet 20, and a No. 1 compression spring 21 is fixedly connected between the abutment sheet 20 and the inner wall of the mounting sleeve 18. A sliding hole is opened on the connecting frame 5, and the plug-in shaft 19 matches the sliding hole, and a traction paddle 32 is fixedly connected to the end of the plug-in shaft 19 away from the mounting sleeve 18;

[0033] After the strip bristles 14 clean the particles adsorbed on the metal filter plate 6, the particles will directly fall into the collection frame 15, avoiding the accumulation of the particles that have been cleaned and dropped inside the filter connecting pipe 1. If the collection frame 15 needs to be disassembled for maintenance to discharge the particles collected in the collection frame 15, the plug-in shaft 19 can be driven to move by pulling the traction paddle 32, so that the plug-in shaft 19 no longer plugs and fixes the arc-shaped mounting side plate 16, and the collection frame 15 can be disassembled relative to the filter connecting pipe 1. When the collection frame 15 is installed on the filter connecting pipe 1, the collection frame can be 15 fits against the outer wall of the filter connecting tube 1, so that the port of the collecting frame 15 corresponds to the through hole on the filter connecting tube 1. At this time, the plug-in shaft 19 also corresponds to the mounting hole 17 on the arc-shaped mounting side plate 16. The traction paddle 32 is loosened, and the No. 1 compression spring 21 is used to elastically push the plug-in shaft 19 to move, so that the plug-in shaft 19 can be plugged and fixed to the arc-shaped mounting side plate 16, and the collecting frame 15 can be installed and fixed, thereby realizing the rapid installation and disassembly of the collecting frame 15 relative to the filter connecting tube 1, facilitating the collection and discharge of the intercepted and filtered particulate matter, and improving the convenience of the filter maintenance operation.

[0034] like Figure 1 , Figure 4 and Figure 5As shown, the high-frequency vibration component is fixedly connected to the inner wall of the filter tail pipe 3, and the high-frequency vibration component includes an annular limit bracket 22 fixedly connected to the inner wall of the filter tail pipe 3, two sliding pins 23 are fixedly connected to the annular rod 7, and two through holes are provided on the annular limit bracket 22, and the sliding pin 23 matches the through holes. A second compression spring 24 is fixedly connected between the annular rod 7 and the annular limit bracket 22, and between the annular limit bracket 22 and the end of the sliding pin 23. A vibration driving component is fixedly connected to the inner wall of the transfer tube 2, and the vibration driving component includes two rotating brackets 25 fixedly connected to the inner wall of the transfer tube 2, and two rotating brackets 25 are fixedly connected to the inner wall of the transfer tube 2. The brackets 25 are all rotatably connected with rollers 26, which are made of titanium carbonitride-based hard alloy, and the outer surface of the rollers 26 is provided with transverse anti-skid patterns, the annular rod 7 is fixedly connected with an annular corrugated plate 27, the rollers 26 fit the annular corrugated plate 27, the outer wall of the transfer tube 2 is fixedly connected with two gear rings 28, the connecting frame 5 is rotatably connected with a rotating rod 29, the outer wall of the rotating rod 29 is fixedly connected with two transmission gears 30, the two transmission gears 30 are respectively meshed with the two gear rings 28, the connecting frame 5 is fixedly connected with a low-speed motor 31, and the output end of the low-speed motor 31 is fixedly connected with the end of the rotating rod 29;

[0035] The low-speed motor 31 is used to drive the rotating rod 29 and the transmission gear 30 to rotate, and the meshing transmission of the transmission gear 30 and the gear ring 28 is used to drive the transfer tube 2 to rotate, so that the roller 26 inside the transfer tube 2 can synchronously rotate relative to the filter tail pipe 3. Since the No. 2 compression spring 24 between the annular rod 7 and the annular limit bracket 22 can elastically push the annular rod 7, the roller 26 can always fit the annular corrugated plate 27 on the pressed annular rod 7, and then the pressing cooperation between the roller 26 and the annular corrugated plate 27 can be used to quickly reciprocate and push the annular rod 7 to move. At the same time, the elastic effect of the No. 2 compression spring 24 can be used to push the annular rod 7 to reset and accelerate the reciprocating sliding speed of the annular rod 7 relative to the inner wall of the filter tail pipe 3, so that high-frequency vibration of the annular rod 7 and the fiber filter plate 8 can be achieved, so that tiny impurities can be separated from the fiber filter plate 8 due to the high-frequency vibration, so as to ensure the filtering permeability of the fiber filter plate 8, thereby further ensuring the interception and filtering effect of the filter on particulate matter and tiny impurities.

[0036] The working principle of the present invention is as follows:

[0037] 1. When in use, the filter connecting pipe 1 is connected and fixed to the exhaust pipe in the exhaust system of the internal combustion engine by bolting or welding, so that the filter connecting pipe 1 can be connected to the exhaust pipe, and the airflow of the exhaust gas discharged by the exhaust system of the internal combustion engine can be used to drive the impeller disc 12 to rotate. In this process, since the exhaust gas will first pass through the plurality of vent pipes 10 on the vent plate 9, and the vent pipes 10 are in a funnel-shaped structure, that is, the diameter of the vent pipes 10 gradually decreases, so that the plurality of vent pipes 10 can accelerate the flow rate of the exhaust gas, and then the impeller disc 12, the rotating shaft 11 and the cleaning rod 13 can rotate quickly, so that the strip bristles 14 on the cleaning rod 13 can be used to perform rotational cleaning of the particles adsorbed on the metal filter plate 6, so as to realize the self-cleaning function of the metal filter plate 6, thereby avoiding the blockage of the metal filter plate 6 due to excessive interception of particles, and ensuring the interception and filtering effect of the metal filter plate 6 on the particles;

[0038] 2. After the strip bristles 14 clean the particles adsorbed on the metal filter plate 6, the particles will directly fall into the collection frame 15, avoiding the accumulation of the particles that have been cleaned in the filter connecting pipe 1. If the collection frame 15 needs to be disassembled for maintenance to discharge the particles collected in the collection frame 15, the plug-in shaft 19 can be driven to move by pulling the traction paddle 32, so that the plug-in shaft 19 no longer plugs and fixes the arc-shaped mounting side plate 16, and the collection frame 15 can be disassembled relative to the filter connecting pipe 1. When the collection frame 15 is installed on the filter connecting pipe 1, the collection frame 15 can be installed in the filter connecting pipe 1. The frame 15 is fitted to the outer wall of the filter connecting pipe 1, so that the port of the collection frame 15 corresponds to the through hole on the filter connecting pipe 1. At this time, the plug-in shaft 19 also corresponds to the mounting hole 17 on the arc-shaped mounting side plate 16. The traction paddle 32 is loosened, and the No. 1 compression spring 21 is used to elastically push the plug-in shaft 19 to move, so that the plug-in shaft 19 can be plugged and fixed to the arc-shaped mounting side plate 16, and the collection frame 15 can be installed and fixed, so that the collection frame 15 can be quickly installed and disassembled relative to the filter connecting pipe 1, which is convenient for collecting and discharging the intercepted and filtered particles, and the convenience of the filter maintenance operation is improved;

[0039] 3. During use, the low-speed motor 31 can be controlled to start, and the low-speed motor 31 can be used to drive the rotating rod 29 and the transmission gear 30 to rotate, and the meshing transmission of the transmission gear 30 and the gear ring 28 can be used to drive the transfer tube 2 to rotate, so that the roller 26 inside the transfer tube 2 can rotate synchronously relative to the filter tail pipe 3. Since the second compression spring 24 between the annular rod 7 and the annular limit bracket 22 can elastically push the annular rod 7, the roller 26 can always fit the annular corrugated plate 27 on the annular rod 7, and then the roller 26 can be used to rotate relative to the filter tail pipe 3. 6 and the annular corrugated plate 27 are pressed together to quickly push the annular rod 7 to move back and forth. At the same time, the elastic effect of the No. 2 compression spring 24 can be used to push the annular rod 7 to reset and accelerate the reciprocating sliding speed of the annular rod 7 relative to the inner wall of the filter tail pipe 3, so that the high-frequency vibration of the annular rod 7 and the fiber filter plate 8 can be achieved, so that tiny impurities can be separated from the fiber filter plate 8 due to the high-frequency vibration, so as to ensure the filtering permeability of the fiber filter plate 8, thereby further ensuring the interception and filtering effect of the filter on particulate matter and tiny impurities.

[0040] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A particulate air filter for an internal combustion engine exhaust system, characterized in that: include: A filter connecting pipe (1), a transfer pipe (2) and a filter tail pipe (3), wherein the outer walls of the filter connecting pipe (1) and the filter tail pipe (3) are fixedly connected to sealed bearings (4), the transfer pipe (2) is fixedly connected to the outer rings of two sealed bearings (4), the outer walls of the filter connecting pipe (1) and the filter tail pipe (3) are fixedly connected to a connecting frame (5), the inner wall of the filter connecting pipe (1) is fixedly connected to a metal filter screen plate (6), the inner wall of the filter tail pipe (3) is slidably connected to an annular rod (7), and the inner side of the annular rod (7) is fixedly connected to a fiber filter screen plate (8); A self-cleaning component, the self-cleaning comprising a ventilation plate (9) fixedly connected to the inner wall of the filter connecting pipe (1), the ventilation plate (9) being fixedly connected to a ventilation pipe (10), a rotating shaft (11) passing through the middle of the ventilation plate (9) and being rotatably connected, an impeller disk (12) being fixedly connected to the outer wall of the rotating shaft (11), a cleaning rod (13) being fixedly connected to the end of the rotating shaft (11), and strip-shaped bristles (14) being fixedly connected to the cleaning rod (13); A collecting component, the collecting component being fixedly connected to the outer wall of the filtering connecting tube (1); A high-frequency vibration component is fixedly connected to the inner wall of the filter tail pipe (3).

2. A particulate air filter for an internal combustion engine exhaust system according to claim 1, characterized in that: The plurality of ventilation pipes (10) are all arranged in a funnel-shaped structure, and the plurality of ventilation pipes (10) are evenly arranged in a circular array.

3. A particulate air filter for an internal combustion engine exhaust system according to claim 1, characterized in that: The collecting assembly comprises a collecting frame (15) fixedly connected to the outer wall of a filter connecting tube (1); a through hole is provided on the circumferential side wall of the filter connecting tube (1); the filter connecting tube (1) is connected to the collecting frame (15) via the through hole; and two quick-disassembly components are fixedly connected to the outer wall of the collecting frame (15).

4. A particulate air filter for an internal combustion engine exhaust system according to claim 3, characterized in that: The quick disassembly and assembly component comprises an arc-shaped mounting side plate (16) fixedly connected to the outer wall of the collection frame (15), the arc-shaped mounting side plate (16) is provided with a mounting hole (17), a mounting sleeve (18) is fixedly connected to the connecting frame (5), a plug-in shaft (19) is slidably connected through the axial side wall of the mounting sleeve (18), the plug-in shaft (19) matches the mounting hole (17), the outer wall of the plug-in shaft (19) located inside the mounting sleeve (18) is fixedly connected with an abutment sheet (20), and a No. 1 compression spring (21) is fixedly connected between the abutment sheet (20) and the inner wall of the mounting sleeve (18).

5. A particulate air filter for an internal combustion engine exhaust system according to claim 1, characterized in that: The high-frequency vibration component comprises an annular limit bracket (22) fixedly connected to the inner wall of the filter tail pipe (3); two sliding pins (23) are fixedly connected to the annular rod (7); two through holes are provided on the annular limit bracket (22); the sliding pins (23) match the through holes; a second compression spring (24) is fixedly connected between the annular rod (7) and the annular limit bracket (22) and between the annular limit bracket (22) and the end of the sliding pin (23); and a vibration driving component is fixedly connected to the inner wall of the transfer tube (2).

6. A particulate air filter for an internal combustion engine exhaust system according to claim 5, characterized in that: The vibration driving component comprises two rotating brackets (25) fixedly connected to the inner wall of the transfer tube (2), the two rotating brackets (25) are both rotatably connected to rollers (26), the annular rod (7) is fixedly connected to an annular corrugated plate (27), the rollers (26) are in close contact with the annular corrugated plate (27), the outer wall of the transfer tube (2) is fixedly connected to two toothed rings (28), the connecting frame (5) is rotatably connected to a rotating rod (29), the outer wall of the rotating rod (29) is fixedly connected to two transmission gears (30), the two transmission gears (30) are respectively meshed with the two toothed rings (28), and the connecting frame (5) is fixedly connected to a low-speed motor (31), the output end of the low-speed motor (31) is fixedly connected to the end of the rotating rod (29).

7. A particulate air filter for an internal combustion engine exhaust system according to claim 4, characterized in that: The connection frame (5) is provided with a sliding hole, the plug-in shaft (19) matches the sliding hole, and the end of the plug-in shaft (19) away from the installation sleeve (18) is fixedly connected with a traction paddle (32).

8. A particulate air filter for an internal combustion engine exhaust system according to claim 6, characterized in that: The roller (26) is made of titanium carbonitride-based hard alloy, and the outer surface of the roller (26) is provided with transverse anti-slip grooves.

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