Automatic cleaning equipment for automobile exhaust pipe

Abstract

The invention provides automatic cleaning equipment for an automobile exhaust pipe, and belongs to the technical field of automobile part cleaning, the automatic cleaning equipment comprises an exhaust pipe main body, and further comprises a cleaning and purifying assembly and a vibration dredging assembly; the cleaning process is driven by kinetic energy of tail gas, when an engine runs, the tail gas flows to drive the fan blades to rotate, the fan blades drive the shaft body to rotate, then the cleaning brush automatically conducts reciprocating cleaning on the inner wall of the exhaust pipe, carbon deposition is removed in time, physical filtration and chemical purification are combined, and the content of harmful substances in the tail gas is greatly reduced; when the shaft body rotates, cleaning of the bristles and vibration cleaning of the limiting magnetic rods are matched with each other, and a double cleaning mode of surface cleaning and deep vibration is formed. Vibration generated by collision of the limiting magnetic rod is transmitted to the inner wall of the exhaust pipe body through the support, additional mechanical parts do not need to directly scrape the pipe wall in the mode, physical damage is avoided, the structural integrity of the exhaust pipe is protected, and the air leakage risk caused by abrasion can be reduced.

Description

Technical Field

[0001] The present invention relates to the technical field of automobile parts cleaning, and more specifically, to an automatic cleaning device for automobile exhaust pipes. Background Art

[0002] In modern times, automobiles are the most common means of transportation, and their impact on traffic is extremely significant. The driving of automobiles will generate carbon deposits. Carbon deposits refer to the gums produced when fuel and lubricating oil entering the combustion chamber cannot be completely burned, which adhere to the exhaust pipe. Under the repeated high-temperature action of the engine, hard cemented carbon is continuously accumulated, that is, carbon deposits. When there is a certain amount of carbon deposits in the exhaust pipe, it will cause problems such as weakened power, increased fuel consumption, engine knocking, and increased noise. In short, if carbon deposits are not cleaned for a long time, it will have a relatively large impact on the power and economy of the automobile, so the exhaust pipe needs to be cleaned.

[0003] The existing technologies have the following disadvantages in actual use. Firstly, most traditional cleaning devices need to be driven by an external power source or an additional power source, which not only increases energy consumption and usage costs, but also is difficult to adapt to flexible applications under different working conditions. Secondly, common mechanical scraping or simple chemical cleaning methods have poor cleaning effects on stubborn carbon deposits, and may damage the inner wall of the exhaust pipe at the same time. Moreover, most existing technologies only focus on carbon deposit removal and ignore the treatment of acidic pollutants in the exhaust gas, making it difficult to meet the increasingly strict environmental protection emission requirements.

[0004] How to invent an automatic cleaning device for automobile exhaust pipes to solve these problems has become an urgent problem for those skilled in the art. Summary of the Invention

[0005] To make up for the above deficiencies, the present invention provides an automatic cleaning device for automobile exhaust pipes, aiming to solve the problems mentioned in the above background.

[0006] The present invention is implemented as follows:

[0007] The present invention provides an automatic cleaning device for automobile exhaust pipes, including an exhaust pipe main body, and further including:

[0008] A cleaning and purifying component: The cleaning and purifying component is arranged inside and at the bottom of the exhaust pipe main body;

[0009] A vibration dredging component: The vibration dredging component is arranged inside the exhaust pipe main body.

[0010] Preferably, the cleaning and purifying component includes two brackets fixedly installed inside the exhaust pipe main body and an installation box arranged at the bottom of the exhaust pipe main body. A limiting boss is arranged in the middle of the bracket, and a shaft body is rotationally clamped in the middle of the limiting boss. A fan blade and a first gear are fixedly installed on the shaft body between the two brackets. One side of the bracket far away from the fan blade is fixedly connected with a filter disc. The filter disc includes a connecting plate and a plurality of filter plates. The connecting plate and the plurality of filter plates are welded and connected into a whole. The middle part of the filter disc is fixedly sleeved outside the limiting boss. Two groups of reciprocating thread parts are symmetrically arranged at both ends of the shaft body far away from the fan blade. A moving magnetic ring is threadedly connected to the reciprocating thread part. A slider is fixedly connected to the upper and lower ends of the moving magnetic ring respectively. A limiting groove slidably matched with the slider is opened on the inner wall of the exhaust pipe main body. A cleaning brush is fixedly connected to the outer side wall of the moving magnetic ring.

[0011] Preferably, both the fan blade and the first gear are made of light materials. A limiting ring is fixedly connected to the side wall of the shaft body. A rotating groove matched with the limiting ring is arranged in the middle of the bracket. The side wall of the filter disc abuts against the side wall of the bracket. The end of the cleaning brush abuts against the inner wall of the exhaust pipe main body.

[0012] Preferably, a positioning column is arranged on each side of the installation box. Two positioning cylinders are welded and connected to the outer side wall of the exhaust pipe main body corresponding to the positioning columns. The installation box is clamped and installed at the bottom of the exhaust pipe main body through the cooperation of the positioning column and the positioning cylinder. One end of the positioning cylinder is blocked and the other end is penetrated. An installation sleeve is fixedly connected to the outer side wall of the positioning cylinder at the penetrated end. A positioning rotating plate is rotationally clamped inside the installation sleeve.

[0013] Preferably, when the positioning cylinder is clamped with the positioning column, the side wall of the positioning rotating plate abuts against the side wall of the positioning column, and a sealed connection is formed between the exhaust pipe main body and the inner cavity of the installation box. Anti-slip lines are arranged on the side wall of the positioning rotating plate facing the positioning column. The length of the limiting groove is matched with the length of the reciprocating thread part.

[0014] Preferably, a falling groove is opened on the inner wall of the exhaust pipe main body corresponding to the limiting groove. The end of the falling groove penetrates the bottom wall of the exhaust pipe main body. Two clamping grooves are symmetrically arranged inside the installation box. A connecting rod is rotationally clamped inside the clamping groove. A second gear and a plurality of stirring paddles are fixedly installed on the connecting rod. The second gear is meshed with the first gear. An installation groove is penetrated and opened on the bottom wall of the exhaust pipe main body corresponding to the second gear. The middle parts of the moving magnetic ring, the bracket and the first gear are all hollow. An alkaline solution is pre-filled inside the installation box.

[0015] Preferably, the vibration dredging component includes two drive plates fixedly installed on the shaft body. On the side walls of the drive plates facing the corresponding brackets, an installation block and a brush are fixedly connected respectively. An installation cavity is provided inside the installation block. A limiting magnetic rod is slidably connected inside the installation cavity. The limiting magnetic rod is elastically connected with the inner cavity of the installation cavity through a spring. A ball is rotatably clamped at the end of the limiting magnetic rod facing the bracket.

[0016] Preferably, there is a gap between the end of the limiting groove and the drive plate. The end of the brush abuts against the side wall of the filter plate. The distribution of the brush matches the area of the filter plate. The installation blocks are distributed on the upper and lower sides of the brush. In the initial state, the end of the ball located on the upper side abuts against the side wall of the connecting plate, and the end of the ball located on the lower side abuts against the side wall of the limiting boss. The opposite surfaces of the limiting magnetic rod and the adjacent moving magnetic ring are magnetically set with different polarities.

[0017] The beneficial effects of the present invention are as follows:

[0018] 1. The device utilizes the kinetic energy of the tail gas itself to drive the cleaning process. When the engine is running, the flowing tail gas drives the fan blade to rotate, and the fan blade drives the shaft body to rotate, thereby enabling the cleaning brush to automatically reciprocally clean the inner wall of the exhaust pipe, timely removing carbon deposits. Compared with the traditional manual cleaning method, the device significantly reduces the maintenance frequency and labor cost, especially suitable for vehicles with long-term high-frequency use, effectively avoiding the problem of poor exhaust caused by carbon deposit accumulation. On the one hand, the filter disc preliminarily intercepts larger particle impurities in the tail gas. On the other hand, the alkaline solution in the installation box is fully contacted with the tail gas under the action of the stirring paddle, which can quickly neutralize acidic pollutants. This combined method of physical filtration and chemical purification can greatly reduce the content of harmful substances in the tail gas, making the emissions more in line with environmental protection standards and reducing the pollution of the vehicle to the atmospheric environment.

[0019] 2. When the shaft body rotates, the cleaning of the brush and the vibration cleaning of the limiting magnetic rod cooperate with each other to form a dual cleaning mode of "surface cleaning + deep vibration". The brush is responsible for dealing with visible impurities on the surface, while the vibration is aimed at stubborn attachments that are difficult to remove. The combined action of the two can cover impurities of different types and different attachment states, and can effectively clean both loose carbon deposit particles and tightly adhered oil stains, comprehensively ensuring the cleanliness and smoothness of the exhaust system.

[0020] 3. During exhaust emission, the limiting magnetic rod periodically impacts the filter disc and the limiting boss, generating high-frequency vibrations that shake off the firmly attached fine particles, preventing the filter plate from being blocked at the source. In the traditional mechanical cleaning method, it is necessary to directly contact the inner wall of the exhaust pipe, which may cause wear to the pipe wall due to friction. In this design, the vibrations generated by the impact of the limiting magnetic rod are transmitted to the inner wall of the exhaust pipe body through the bracket, which is a non-contact cleaning method. This method does not require additional mechanical components to directly scrape the pipe wall, avoiding physical damage. It not only protects the structural integrity of the exhaust pipe but also reduces the risk of air leakage caused by wear, effectively extending the service life of the exhaust pipe and the entire cleaning equipment and reducing maintenance costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following will briefly introduce the drawings required for the embodiments. It should be understood that the following drawings only show some embodiments of the present invention and should not be regarded as limiting the scope. For those of ordinary skill in the art, without creative efforts, other related drawings can also be obtained based on these drawings.

[0022] Figure 1 is the overall structural schematic diagram of the present invention;

[0023] Figure 2 is the left-view structural schematic diagram of the present invention;

[0024] Figure 3 is the cross-sectional structural schematic diagram of the exhaust pipe body of the present invention;

[0025] Figure 4 is the front-view cross-sectional structural schematic diagram of the exhaust pipe body of the present invention;

[0026] Figure 5 is the front-view cross-sectional structural schematic diagram of the present invention;

[0027] Figure 6 is the Figure 5 enlarged structural schematic diagram at A in the present invention;

[0028] Figure 7 is the partial structural schematic diagram of the present invention;

[0029] Figure 8 is the cross-sectional structural schematic diagram of the exhaust pipe body and the installation box of the present invention;

[0030] Figure 9 is the partial exploded structural schematic diagram of the present invention.

[0031] In the figure: 1, exhaust pipe main body; 2, installation box; 3, shaft body; 4, moving magnetic ring; 5, fan blade; 6, bracket; 7, drive plate; 8, first gear; 9, connecting rod; 10, falling groove; 11, positioning cylinder; 12, installation sleeve; 21, positioning column; 30, limiting ring; 31, reciprocating thread part; 40, slider; 41, cleaning brush; 60, limiting boss; 61, filter plate; 70, installation block; 71, limiting magnetic rod; 72, spring; 73, ball; 74, brush hair; 81, second gear; 90, clamping groove; 91, stirring paddle; 101, installation groove; 121, positioning rotating plate; 401, limiting groove; 611, connecting plate. Specific implementation mode

[0032] To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work belong to the scope of protection of the present invention.

[0033] Example 1, referring to Figures 1-9 , an automatic cleaning device for an automobile exhaust pipe, including an exhaust pipe main body 1, and further including:

[0034] Cleaning and purifying component: The cleaning and purifying component is arranged inside and at the bottom of the exhaust pipe main body 1;

[0035] Vibration dredging component: The vibration dredging component is arranged inside the exhaust pipe main body 1.

[0036] Furthermore, the cleaning and purifying component includes two brackets 6 fixedly installed inside the exhaust pipe main body 1 and an installation box 2 arranged at the bottom of the exhaust pipe main body 1. A limit boss 60 is provided in the middle of the bracket 6, and a shaft body 3 is rotatably clamped in the middle of the limit boss 60. The limit boss 60 provides stable rotational support for the shaft body 3. A fan blade 5 and a first gear 8 are fixedly installed on the shaft body 3 between the two brackets 6. On one side of the bracket 6 away from the fan blade 5, a filter disc is fixedly connected. The filter disc includes a connecting plate 611 and a plurality of filter plates 61. The connecting plate 611 and the plurality of filter plates 61 are welded together as a whole. The middle part of the filter disc is fixedly sleeved outside the limit boss 60. The function of the filter disc is to initially filter the exhaust gas and intercept larger particle impurities. At both ends of the shaft body 3 away from the fan blade 5, two groups of reciprocating thread portions 31 are symmetrically provided. A moving magnetic ring 4 is threadedly connected to the reciprocating thread portions 31. At the upper and lower ends of the moving magnetic ring 4, a slider 40 is respectively fixedly connected. A limit groove 401 slidably matched with the slider 40 is opened on the inner wall of the exhaust pipe main body 1. This enables the moving magnetic ring 4 to only perform linear reciprocating motion on the reciprocating thread portions 31 along the limit groove 401. A cleaning brush 41 is fixedly connected to the outer side wall of the moving magnetic ring 4.

[0037] It should be noted that the fan blade 5 and the first gear 8 are both made of light materials to reduce the rotational resistance. When the exhaust gas is discharged, the fan blade 5 can be effectively driven to rotate. A limit ring 30 is fixedly connected to the side wall of the shaft body 3, and a rotating groove matched with the limit ring 30 is provided in the middle of the bracket 6, which can effectively prevent the shaft body 3 from axially moving during rotation. The side wall of the filter disc abuts against the side wall of the bracket 6, and the end of the cleaning brush 41 abuts against the inner wall of the exhaust pipe main body 1, ensuring that when the moving magnetic ring 4 moves, the cleaning brush 41 can effectively clean the carbon deposits on the inner wall of the exhaust pipe main body 1.

[0038] One positioning post 21 is provided on each side of the installation box 2. Two positioning cylinders 11 are welded to the outer side wall of the exhaust pipe main body 1 corresponding to the positioning posts 21. The installation box 2 is clamped and installed at the bottom of the exhaust pipe main body 1 through the cooperation of the positioning posts 21 and the positioning cylinders 11, which is convenient for later disassembly and maintenance. One end of the positioning cylinder 11 is blocked and the other end is penetrated. An installation sleeve 12 is fixedly connected to the outer side wall of the positioning cylinder 11 at the penetrated end. A positioning rotating plate 121 is rotatably clamped inside the installation sleeve 12. When disassembling and assembling the installation box 2, the positioning rotating plate 121 can be controlled to rotate accordingly to lock and unlock the installation box 2.

[0039] It should be noted that when the positioning cylinder 11 is clamped with the positioning post 21, the side wall of the positioning rotating plate 121 abuts against the side wall of the positioning post 21, and the inner cavities of the exhaust pipe main body 1 and the installation box 2 are hermetically connected. Anti-slip lines are provided on the side wall of the positioning rotating plate 121 facing the positioning post 21 to ensure that external vibrations will not affect the rotation of the positioning rotating plate 121 during the driving of the vehicle. The length of the limit groove 401 matches the length of the reciprocating thread portion 31.

[0040] Further, a dropping groove 10 is formed in the inner wall of the exhaust pipe main body 1 corresponding to the limiting groove 401. The end of the dropping groove 10 penetrates through the bottom wall of the exhaust pipe main body 1 and is used to introduce impurities such as carbon deposits cleaned down into the installation box 2. Two clamping grooves 90 are symmetrically arranged inside the installation box 2. A connecting rod 9 is rotatably clamped inside the clamping groove 90. A second gear 81 and a plurality of stirring paddles 91 are fixedly installed on the connecting rod 9. The second gear 81 is meshed with the first gear 8. When the first gear 8 rotates, the second gear 81 rotates accordingly, thereby driving the stirring paddles 91 to stir the alkaline solution in the installation box 2, enhancing the reaction efficiency between the alkaline solution and the pollutants in the tail gas. A mounting groove 101 is formed through the bottom wall of the exhaust pipe main body 1 corresponding to the second gear 81. On the one hand, it ensures that the second gear 81 can be effectively connected to the first gear 8. On the other hand, it enables the impurities between the two brackets 6 to fall through the mounting groove 101. The middle parts of the moving magnetic ring 4, the bracket 6, and the first gear 8 are all hollowed out to facilitate the passage of the tail gas. The installation box 2 is pre-filled with an alkaline solution, which can be used to neutralize the acidic pollutants in the tail gas (taking sodium hydroxide solution as an example, it reacts with sulfur dioxide to generate sodium sulfite and water. Through these neutralization reactions, the alkaline solution converts the acidic harmful gases in the tail gas into harmless or less harmful salt substances, thereby reducing the acidity of the tail gas and reducing the pollution to the atmospheric environment, making the tail gas emission more in line with environmental protection standards), playing a role in purifying the tail gas. At the same time, it can cause the carbon deposits falling into the installation box 2 to settle down, preventing the carbon deposits from suspending and interfering with the operation of the equipment, and facilitating centralized cleaning and maintenance.

[0041] In this embodiment, when the automobile engine is working, the tail gas is discharged from the exhaust pipe main body 1, and the airflow drives the fan blade 5 to rotate. The fan blade 5 drives the shaft body 3 to rotate, and the first gear 8 on the shaft body 3 rotates accordingly. The first gear 8 drives the second gear 81 to rotate through meshing, and the second gear 81 drives the connecting rod 9 to rotate, thereby enabling the stirring paddles 91 to stir the alkaline solution in the installation box 2 and enhancing the reaction efficiency between the alkaline solution and the pollutants in the tail gas.

[0042] At the same time, when the shaft body 3 rotates, since its two ends are provided with reciprocating thread portions 31, under the action of screw drive, the moving magnetic ring 4 makes a linear reciprocating motion along the limiting groove 401 on the reciprocating thread portions 31. The cleaning brush 41 on the outer side of the moving magnetic ring 4 will repeatedly clean the inner wall of the exhaust pipe main body 1, cleaning down impurities such as carbon deposits, which fall into the alkaline solution in the installation box 2 through the dropping groove 10 and settle down, preventing the carbon deposits from suspending and interfering with the operation of the equipment, and facilitating centralized cleaning and maintenance. After being used for a period of time, the solution in the installation box 2 can be replaced (it should be noted that the height of the solution in the installation box 2 is limited within a certain range to prevent the risk of backflow caused by the excessive solution).

[0043] The equipment uses the kinetic energy of the exhaust gas itself to drive the cleaning process. When the engine is running, the exhaust gas flow drives the fan blades 5 to rotate, and the fan blades 5 drive the shaft 3 to rotate, so that the cleaning brush 41 automatically cleans the inner wall of the exhaust pipe back and forth to remove carbon deposits in time. Compared with traditional manual cleaning methods, the equipment significantly reduces maintenance frequency and labor costs. It is especially suitable for vehicles that are used for a long time and frequently, effectively avoiding the problem of poor exhaust caused by carbon deposit accumulation, ensuring that the engine is always in an efficient operating state, extending the service life of the engine, and improving the overall performance of the vehicle; on the one hand, the filter disc preliminarily intercepts larger particulate impurities in the exhaust gas; on the other hand, the alkaline solution in the installation box 2 is in full contact with the exhaust gas under the action of the stirring paddle 91, and can quickly neutralize acidic pollutants (such as SO2, NOx, etc.). This combination of physical filtration and chemical purification can greatly reduce the content of harmful substances in the exhaust gas, make emissions more in line with environmental protection standards, and reduce the pollution of the vehicle to the atmospheric environment.

[0044] The meshing transmission of gear 1 8 and gear 2 81 drives the stirring paddle 91 to continuously stir the alkaline solution, so that the solution is in a dynamic mixing state. This not only increases the contact area between the solution and the exhaust gas, but also accelerates the mass transfer rate, promotes the rapid chemical reaction, and significantly improves the absorption and neutralization efficiency of the alkaline solution on the exhaust pollutants, further optimizing the exhaust purification effect.

[0045] Example 2, refer to Figures 5-9 The vibration dredging component includes two transmission plates 7 fixedly mounted on the shaft body 3. The side walls of the transmission plates 7 facing the corresponding brackets 6 are fixedly connected with mounting blocks 70 and bristles 74 respectively. A mounting cavity is provided inside the mounting block 70. The interior of the mounting cavity is slidably connected with a limiting magnetic rod 71. The limiting magnetic rod 71 is elastically connected to the inner cavity of the mounting cavity by a spring 72. The end of the limiting magnetic rod 71 facing the bracket 6 is rotatably clamped with a ball 73. The presence of the ball 73 reduces the friction and noise between the filter disc and the filter disc.

[0046] It should be noted that there is a gap between the end of the limit groove 401 and the drive plate 7, which avoids movement interference between the movement of the moving magnetic ring 4 and the drive plate 7. The end of the brush hair 74 abuts against the side wall of the filter plate 61, and the distribution of the brush hair 74 matches the area of the filter plate 61, ensuring that the filter plate 61 can be effectively cleaned when the drive plate 7 rotates. The mounting blocks 70 are distributed on the upper and lower sides of the brush hair 74. In the initial state, the end of the ball 73 located on the upper side abuts against the side wall of the connecting plate 611, and the end of the ball 73 located on the lower side abuts against the side wall of the limit boss 60. The opposite surfaces of the limit magnetic rod 71 and the adjacent moving magnetic ring 4 are set with different polar magnetisms. When the moving magnetic ring 4 moves to the closest position to the limit magnetic rod 71 and then moves away, under the action of magnetic force, the limit magnetic rod 71 can overcome the elastic force of the spring 72 and move away from the mounting block 70 briefly. After moving a certain distance, the magnetic force between the two decreases. Under the action of the spring 72, the limit magnetic rod 71 resets. The upper and lower limit magnetic rods 71 and the balls 73 can respectively generate impacts on the filter disc and the limit boss 60, and this impact will be transmitted to the inner wall of the exhaust pipe body 1 through the bracket 6, realizing the vibration cleaning of the filter disc and the inner wall of the exhaust pipe body 1.

[0047] In this embodiment, during the rotation of the shaft body 3, the drive plate 7 rotates accordingly and drives the brush hair 74 to clean the filter plate 61. During the long-term filtering of exhaust gas, the filter plate 61 is easily blocked by particulate impurities in its pores, affecting the filtering effect. Through the continuous cleaning of the brush hair 74 driven by the drive plate 7, larger particulate impurities on the surface of the filter plate 61 can be removed in a timely manner.

[0048] The reciprocating movement of the moving magnetic ring 4 along the shaft body 3 makes the impact frequency of the limit magnetic rod 71 related to the movement speed of the moving magnetic ring 4. When the exhaust gas flow rate increases and the fan blade 5 rotates faster, the movement speed of the moving magnetic ring 4 also increases accordingly, and the impact frequency of the limit magnetic rod 71 increases, thus realizing the adaptive matching of the cleaning intensity and the exhaust gas pollution degree. The more serious the exhaust gas pollution, the higher the cleaning frequency of the equipment, ensuring that impurities can be removed in a timely and effective manner under various working conditions and maintaining the stable operation of the equipment.

[0049] When the moving magnetic ring 4 moves to a position close to the drive plate 7 and then moves away, under the action of magnetic force, the limit magnetic rod 71 can overcome the elastic force of the spring 72 and move away from the mounting block 70 briefly. After the moving magnetic ring 4 moves a certain distance, the magnetic force between the two decreases. Under the action of the spring 72, the limit magnetic rod 71 resets under the action of the spring 72. The upper and lower limit magnetic rods 71 and the balls 73 can respectively generate impacts on the filter disc and the limit boss 60, and this impact will be transmitted to the inner wall of the exhaust pipe body 1 through the bracket 6, realizing the vibration cleaning of the filter disc and the inner wall of the exhaust pipe body 1, thereby shaking off the impurities attached to the surface of the filter plate 61 and the inner wall of the exhaust pipe body 1, preventing the filter plate 61 from being blocked, and ensuring the exhaust gas filtering effect and smooth exhaust.

[0050] The cleaning of the bristles 74 and the vibration cleaning of the limiting magnetic rod 71 cooperate with each other to form a dual cleaning mode of "surface cleaning + deep vibration". The bristles 74 are responsible for dealing with visible impurities on the surface, while the vibration targets stubborn attachments that are difficult to remove. The combined effect of the two can cover impurities of different types and attachment states. Whether it is loose carbon deposit particles or tightly adhered oil stains, they can be effectively cleaned, comprehensively ensuring the cleanliness and smoothness of the exhaust system.

[0051] The limiting magnetic rod 71 periodically impacts the filter disc and the limiting boss 60, generating high-frequency vibrations. These vibrations can penetrate into the pores of the filter plate 61, shaking off firmly attached fine particles, preventing the filter plate 61 from being blocked at the source, and ensuring that the exhaust gas can always pass smoothly through the filter disc, maintaining the high-efficiency purification ability of the equipment for exhaust gas. In the traditional mechanical cleaning method, it is necessary to directly contact the inner wall of the exhaust pipe, which may cause wear to the pipe wall due to friction. In this design, the vibrations generated by the impact of the limiting magnetic rod 71 are transmitted to the inner wall of the exhaust pipe body 1 through the bracket 6, which is a non-contact cleaning method. This method does not require additional mechanical components to directly scrape the pipe wall, avoiding physical damage. It not only protects the structural integrity of the exhaust pipe but also reduces the risk of air leakage caused by wear, effectively extending the service life of the exhaust pipe and the entire cleaning equipment and reducing the maintenance cost.

[0052] The above is only the preferred embodiment of the present invention and is not used to limit the present invention. For those skilled in the art, the present invention can have various changes and modifications. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. An automatic cleaning device for an automobile exhaust pipe, comprising an exhaust pipe main body (1), characterized in that, It further includes: A cleaning and purifying component: The cleaning and purifying component is arranged inside and at the bottom of the exhaust pipe main body (1); A vibration dredging component: The vibration dredging component is arranged inside the exhaust pipe main body (1).

2. The automatic cleaning device for an automobile exhaust pipe according to claim 1, wherein The cleaning and purifying component includes two brackets (6) fixedly installed inside the exhaust pipe main body (1) and a mounting box (2) arranged at the bottom of the exhaust pipe main body (1). A limit boss (60) is provided in the middle of the bracket (6). A shaft body (3) is rotationally clamped in the middle of the limit boss (60). A fan blade (5) and a first gear (8) are fixedly installed on the shaft body (3) between the two brackets (6). A filter disc is fixedly connected to one side of the bracket (6) away from the fan blade (5). The filter disc includes a connecting plate (611) and a plurality of filter plates (61). The connecting plate (611) and the plurality of filter plates (61) are welded into a whole. The middle part of the filter disc is fixedly sleeved outside the limit boss (60). Two sets of reciprocating thread parts (31) are symmetrically arranged at both ends of the shaft body (3) away from the fan blade (5). A moving magnetic ring (4) is threadedly connected to the reciprocating thread part (31). A slider (40) is fixedly connected to each of the upper and lower ends of the moving magnetic ring (4). A limit groove (401) slidably matched with the slider (40) is formed on the inner wall of the exhaust pipe main body (1). A cleaning brush (41) is fixedly connected to the outer side wall of the moving magnetic ring (4).

3. The automatic cleaning device for an automobile exhaust pipe according to claim 2, characterized in that, Both the fan blade (5) and the first gear (8) are made of light materials. A limit ring (30) is fixedly connected to the side wall of the shaft body (3). A rotating groove matched with the limit ring (30) is provided in the middle of the bracket (6). The side wall of the filter disc abuts against the side wall of the bracket (6). The end of the cleaning brush (41) abuts against the inner wall of the exhaust pipe main body (1).

4. The automatic cleaning device for an automobile exhaust pipe according to claim 2, characterized in that, A positioning post (21) is provided on each side of the mounting box (2). Two positioning cylinders (11) are welded to the outer side wall of the exhaust pipe main body (1) corresponding to the positioning posts (21). The mounting box (2) is snap-fitted and installed at the bottom of the exhaust pipe main body (1) through the cooperation of the positioning posts (21) and the positioning cylinders (11). One end of the positioning cylinder (11) is blocked and the other end is through. A mounting sleeve (12) is fixedly connected to the outer side wall of the positioning cylinder (11) at the through end. A positioning rotating plate (121) is rotationally clamped inside the mounting sleeve (12).

5. The automatic cleaning device for an automobile exhaust pipe according to claim 4, characterized in that, When the positioning cylinder (11) is snap-fitted with the positioning post (21), the side wall of the positioning rotating plate (121) abuts against the side wall of the positioning post (21), and a sealed connection is formed between the inner cavities of the exhaust pipe main body (1) and the mounting box (2). Anti-slip lines are provided on the side wall of the positioning rotating plate (121) facing the positioning post (21). The length of the limit groove (401) is matched with the length of the reciprocating thread part (31).

6. The automatic cleaning device for an automobile exhaust pipe according to claim 2, wherein, The inner wall of the exhaust pipe main body (1) corresponding to the limiting groove (401) is provided with a falling groove (10), the end of the falling groove (10) penetrates through the bottom wall of the exhaust pipe main body (1), two clamping grooves (90) are symmetrically arranged inside the installation box (2), a connecting rod (9) is rotatably clamped inside the clamping groove (90), a second gear (81) and a plurality of stirring paddles (91) are fixedly installed on the connecting rod (9), the second gear (81) is meshed with the first gear (8), an installation groove (101) is penetratingly opened on the bottom wall of the exhaust pipe main body (1) corresponding to the second gear (81), the middle parts of the moving magnetic ring (4), the support (6), and the first gear (8) are all hollowly arranged, and an alkaline solution is pre-filled inside the installation box (2).

7. The automatic cleaning device for an automobile exhaust pipe according to claim 2, characterized in that, The vibration dredging assembly includes two transmission plates (7) fixedly installed on the shaft body (3), an installation block (70) and a brush hair (74) are respectively fixedly connected to the side walls of the transmission plates (7) facing the corresponding support (6), an installation cavity is arranged inside the installation block (70), a limiting magnetic rod (71) is slidably connected inside the installation cavity, the limiting magnetic rod (71) is elastically connected with the inner cavity of the installation cavity through a spring (72), and a ball (73) is rotatably clamped at the end of the limiting magnetic rod (71) facing the support (6).

8. An automatic cleaning device for an automobile exhaust pipe according to claim 7, characterized in that, A gap exists between the end of the limiting groove (401) and the transmission plate (7), the end of the brush hair (74) abuts against the side wall of the filter plate (61), the distribution of the brush hair (74) matches the area of the filter plate (61), the installation blocks (70) are distributed on the upper and lower sides of the brush hair (74), the end of the ball (73) located on the upper side abuts against the side wall of the connecting plate (611) and the end of the ball (73) located on the lower side abuts against the side wall of the limiting boss (60) in the initial state, and the opposite surfaces of the limiting magnetic rod (71) and the adjacent moving magnetic ring (4) are set with different polar magnetisms.

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