A backflow-proof automobile mudguard

Abstract

This utility model relates to the field of automotive mudguard technology, and specifically discloses an anti-mud backflow automotive mudguard, including a mudguard body, two bolt positioning holes, and a groove. When the tire throws mud and water from the road onto the mudguard body, some of the mud and water gradually solidifies into viscous mud clumps through evaporation and compression, adhering to the inner wall of the groove. The vibration generated by the vehicle driving or the airflow impact caused by the tire rotation will synchronously drive the reinforcing rib to slide back and forth along the sliding guide grooves at both ends. The mud dispersing plate slides relative to the reinforcing rib. During the linkage between the reinforcing rib and the mud dispersing plate, the body, the mud dispersing plate, and the mud-breaking teeth will scrape and squeeze the mud and mud clumps accumulated in the groove, cutting, loosening, and breaking the viscous mud clumps into small fragments, preventing the mud clumps from caking and blocking the drainage path. The loosened mud and water can be quickly discharged along the inclination angle of the groove, avoiding the addition of extra weight due to caking mud clumps, reducing the connection load of the installation part, and ensuring the stability of the mudguard connection.

Description

Technical Field

[0001] This utility model relates to the field of automobile mudguard technology, and in particular to an automobile mudguard that prevents mud and water from flowing back. Background Technology

[0002] Mudslides are curved, plate-like structures installed behind the outer frame of a car wheel. They typically consist of a wheel arch and an inner liner. The wheel arch is the protruding outer part, usually black, and serves a decorative purpose, giving the vehicle a more three-dimensional and sporty look. The inner liner is the inner layer, primarily functioning to block mud and sand. Besides preventing backflow of mud and water, it also prevents splashed sand and gravel from damaging the car's paint and protects the vehicle's internal mechanical structures, such as preventing mud from splashing onto tie rods and ball joints, thus extending the vehicle's lifespan. Furthermore, mudslides can enhance the car's aesthetics to some extent, reduce wind resistance using hydrodynamic principles, and even provide some sound insulation.

[0003] In complex road conditions such as muddy rural roads and construction access roads, when vehicles are driving, the high-speed rotation of the tires continuously throws a large amount of mud, water, and sand mixture onto the inside of the mudguard. Because mudguards are often designed with arc-shaped grooves and structural gaps to adapt to the movement trajectory of the wheels, this mud mixture easily accumulates inside the grooves and at the junction of the inner liner and the wheel arch. Under the combined effects of the squeezing action during driving and the evaporation of moisture caused by changes in ambient temperature, the mud and sand contained in the mud gradually lose their fluidity and solidify into viscous mud clumps. After long-term accumulation, they further harden and compact. The hardened mud clumps not only significantly increase the overall weight of the mudguard and increase the connection load of the installation part, but also affect the stability of the mudguard connection. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides a mudguard to prevent mud and water backflow. It solves the problem that in complex road conditions such as muddy rural roads and construction access roads, when vehicles are driving, the high-speed rotation of the tires continuously throws a large amount of mud, water, and sand mixture onto the inside of the mudguard. Because mudguards are often designed with arc-shaped grooves and structural gaps to accommodate wheel movement, this mud and water mixture easily accumulates inside the grooves and at the junction of the inner liner and the wheel arch. Furthermore, the sand and mud contained in the mud and water gradually lose their fluidity under the combined effects of compression during driving and evaporation due to changes in ambient temperature, solidifying into viscous mud clumps. Over a long period, this mud further hardens and hardens, significantly increasing the overall weight of the mudguard and the connection load at the installation point, thus affecting the stability of the mudguard connection.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A mudguard for automobiles that prevents backflow of mud and water includes a mudguard body, two bolt positioning holes, and grooves. The mudguard body, as the basic load-bearing structure, directly blocks mud, water, and gravel ejected during tire operation, preventing them from directly impacting the vehicle body or splashing onto other areas of the road. Through its shielding effect, it reduces mud and water pollution and erosion of the vehicle body at the source, protecting the paint finish. Its overall structural design ensures that all functional components work stably and collaboratively, laying the foundation for subsequent functions such as preventing backflow of mud and water and structural reinforcement, thus improving the overall practicality of the mudguard. The bolt positioning holes serve as the connection interface between the mudguard and the vehicle, used to mate with the hole-mounted reinforcement bushings and fasteners to precisely fix the mudguard to the mounting position near the vehicle frame or wheel hub, determining the installation position and angle of the mudguard. The standardized hole design ensures convenient installation of the mudguard. With precise positioning, both bolt positioning holes and grooves are located on the outside of the mudguard body. Several reinforcing ribs are set inside the grooves. Each reinforcing rib has a sliding guide groove at both ends. The two ends of the reinforcing rib are slidably connected to the inside of the two sliding guide grooves. Each reinforcing rib is fitted with a mud-dispersing cross plate. The sliding guide grooves provide a sliding track for the reinforcing ribs, restricting the sliding direction of the reinforcing ribs and ensuring that the reinforcing ribs can reciprocate stably under vehicle vibration or airflow impact, preventing the reinforcing ribs from shifting or falling off. At the same time, it does not affect the linkage between the reinforcing ribs and the mud-dispersing cross plate. The mud-dispersing cross plate is fitted on the outside of the reinforcing ribs through sliding through holes, and can slide relative to the reinforcing ribs along the axial direction, expanding the scraping range. Its plate surface can cooperate with the reinforcing ribs and mud-breaking teeth to form multi-directional compression and scraping of the mud clumps in the grooves, assisting in the loosening and decomposition of mud clumps.

[0007] Preferably, each soil dispersion plate has a sliding through hole at its end, and the soil dispersion plate is slidably connected to the reinforcing rib through the sliding through hole. Several soil breaking teeth are fixedly installed on the outside of each soil dispersion plate.

[0008] Preferably, each bolt positioning hole is slidably connected to a hole reinforcement bushing, the outer diameter of the hole reinforcement bushing is in transition fit with the inner diameter of the bolt positioning hole, and the hole reinforcement bushing is used to enhance the structural strength of the bolt positioning hole.

[0009] Preferably, each hole reinforcement bushing is fixedly installed with an axial limiting ring on its exterior. The outer diameter of the axial limiting ring is larger than the diameter of the bolt positioning hole. The axial limiting ring is used to axially limit the hole reinforcement bushing and prevent it from coming out of the bolt positioning hole. Each axial limiting ring has several anti-slip teeth fixedly installed on the side near the mudguard body. The anti-slip teeth are used to embed into the surface material of the mudguard body to enhance the connection between the hole reinforcement bushing and the mudguard body.

[0010] Preferred: The inner wall of the groove, the reinforcing ribs, the mud dispersion cross plate and the mud breaking teeth are sprayed with a nano hydrophobic coating. The nano hydrophobic coating is a polytetrafluoroethylene nano coating or a silicon dioxide-based nano coating. The hydrophobic coating can reduce the adhesion of mud and water, making it easier for mud blocks to be scraped off, and reducing the corrosion of the structure by rainwater.

[0011] Compared with the prior art, the present invention has the following beneficial effects:

[0012] When the vehicle is driving on muddy rural roads, the tires continuously throw mud and water from the road onto the mudguard body. A large amount of mud and water flows into the groove. Some of the mud and water gradually solidifies into a sticky mud mass after evaporation and compression, adhering to the inner wall of the groove, the surface of the reinforcing ribs, and the outer side of the mud dispersion cross plate.

[0013] The vibrations generated by the vehicle's movement, or the airflow impact caused by the tire rotation, will simultaneously drive the reinforcing rib to slide back and forth along the sliding guide grooves at both ends. The soil dispersing plate will also slide relative to the reinforcing rib. During the linkage between the reinforcing rib and the soil dispersing plate, its body, the soil dispersing plate, and the outer mud-breaking teeth will continuously scrape and squeeze the mud and mud accumulated in the groove, cutting, loosening, and breaking the sticky mud into small pieces, thus preventing the mud from hardening and blocking the flow path.

[0014] The loosened mud and water can be quickly discharged along the inclined angle of the groove, avoiding the formation of mud clumps that would add extra weight, reducing the connection load at the installation site, and ensuring the stability of the mudguard connection. Attached Figure Description

[0015] The above description is only an overview of the technical solution of this utility model. In order to better understand the technical means of this utility model and to implement it in accordance with the contents of the specification, the preferred embodiments of this utility model are described in detail below with reference to the accompanying drawings.

[0016] Figure 1 This utility model Figure 1 A three-dimensional structural diagram;

[0017] Figure 2 This utility model Figure 1 Structural diagram of the middle mudguard body;

[0018] Figure 3 This utility model Figure 1 Structural diagram of the central reinforcing rib;

[0019] Figure 4 This utility model Figure 3 Structural diagram of the reinforced bushing at the center hole;

[0020] Figure 5 This utility model Figure 3 Enlarged structural diagram at point A in the middle.

[0021] Legend: 1. Mudguard body; 2. Bolt positioning hole; 3. Groove; 4. Reinforcing rib; 5. Sliding guide groove; 6. Soil dispersion plate; 7. Sliding through hole; 8. Mud breaking tooth; 9. Hole reinforcement bushing; 10. Axial limiting ring; 11. Anti-slip insert. Detailed Implementation

[0022] This application provides a mudguard that prevents backflow of mud and water, effectively solving the problem that in complex road conditions such as muddy rural roads and construction access roads, when vehicles are driving, the high-speed rotation of the tires continuously throws a large amount of mud, water, and sand mixture onto the inside of the mudguard. Because mudguards are often designed with arc-shaped grooves and structural gaps to adapt to the wheel's movement trajectory, this mud and water mixture easily accumulates inside the grooves and at the junction of the inner liner and the wheel arch. Under the combined effects of the squeezing action during driving and the evaporation of moisture caused by changes in ambient temperature, the mud and sand contained in the mud and water gradually lose their fluidity and solidify into viscous mud clumps. After long-term accumulation, these clumps further harden and solidify, significantly increasing the overall weight of the mudguard and the connection load of the installation part, thus affecting the stability of the mudguard connection.

[0023] like Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, the technical solution in this application effectively solves the problem that in complex road conditions such as muddy rural roads and construction access roads, when vehicles are driving, the high-speed rotation of the tires continuously throws a large amount of mud, water, and sand mixture onto the inside of the mudguard. Because mudguards are often designed with arc-shaped grooves and structural gaps to accommodate the wheel's movement trajectory, this mud mixture easily accumulates inside the grooves and at the junction of the inner liner and the wheel arch. Under the combined effects of the squeezing action during driving and the evaporation of moisture caused by changes in ambient temperature, the mud and sand contained in the mud gradually lose their fluidity and solidify into viscous mud clumps. After long-term accumulation, these clumps further harden and compact, significantly increasing the overall weight of the mudguard and the connection load at the installation location, thus affecting the stability of the mudguard connection. The overall approach is as follows:

[0024] To address the problems existing in the prior art, this utility model provides a mudguard for preventing backflow of mud and water, including a mudguard body 1, two bolt positioning holes 2 and a groove 3. The two bolt positioning holes 2 and the groove 3 are all opened on the outside of the mudguard body 1. Several reinforcing ribs 4 are provided inside the groove 3. Sliding guide grooves 5 are provided at both ends of each reinforcing rib 4. The two ends of the reinforcing rib 4 are slidably connected to the inside of the two sliding guide grooves 5 respectively. A mud-dispersing cross plate 6 is provided on the outside of each reinforcing rib 4.

[0025] The mudguard body 1, as the basic load-bearing structure, directly blocks mud, water, and gravel ejected during tire operation, preventing them from directly impacting the vehicle body or splashing onto other areas of the road. Through its shielding function, it reduces mud and water pollution and erosion of the vehicle body at the source, protecting the paint finish. Its overall structural design ensures stable and coordinated operation of all functional components, laying the foundation for subsequent functions such as preventing backflow of mud and water and structural reinforcement, thus enhancing the overall practicality of the mudguard. The bolt positioning holes 2 serve as the connection interface between the mudguard and the vehicle, used to precisely fix the mudguard to the mounting position near the vehicle frame or wheel hub, determining the installation position and angle. Standardized hole design ensures convenient installation and accurate positioning of the mudguard. The reinforcing ribs 4 are distributed within the grooves 3. When the reinforcing ribs 4 are subjected to vehicle vibration or... When impacted by airflow, it can slide back and forth along the sliding guide groove 5, and work in conjunction with the soil dispersion plate 6 and the mud-breaking teeth 8 to scrape and squeeze the mud clumps in the groove 3, assisting in the cleaning of mud. On the other hand, as a supporting structure, it disperses the impact force of mud, water and gravel on the mudguard body 1, enhancing the overall structural strength of the mudguard. The sliding guide groove 5 provides a sliding track for the reinforcing rib 4, restricting the sliding direction of the reinforcing rib 4, ensuring that the reinforcing rib 4 can reciprocate stably under vehicle vibration or airflow impact, avoiding the reinforcing rib 4 from shifting or falling off, while not affecting the linkage between the reinforcing rib 4 and the soil dispersion plate 6. The soil dispersion plate 6 is sleeved on the outside of the reinforcing rib 4 through the sliding through hole 7, and can generate relative sliding along the axial direction of the reinforcing rib 4, expanding the scraping range. Its plate surface can cooperate with the reinforcing rib 4 and the mud-breaking teeth 8 to form multi-directional squeezing and scraping of the mud clumps in the groove 3, assisting in the loosening and decomposition of mud clumps.

[0026] Each soil dispersion plate 6 has a sliding through hole 7 at its end, and the soil dispersion plate 6 is slidably connected to the outside of the reinforcing rib 4 through the sliding through hole 7.

[0027] Several mud-breaking teeth 8 are fixedly installed on the outside of the mud-dispersing horizontal plate 6. The mud-breaking teeth 8 have a sharp structure and are used to cut the sticky mud clumps accumulated in the groove 3, breaking the large mud clumps into small pieces, so that the mud clumps can be discharged.

[0028] Each bolt positioning hole 2 is slidably connected to a hole reinforcement bushing 9. Each hole reinforcement bushing 9 is fixedly installed with an axial limiting ring 10. Each axial limiting ring 10 is fixedly installed with an anti-slip tooth 11 on the side near the mudguard body 1. The hole reinforcement bushing 9 is used to enhance the structural strength of the bolt positioning hole 2. The anti-slip tooth 11 is used to embed into the surface material of the mudguard body 1 to enhance the connection between the hole reinforcement bushing 9 and the mudguard body 1.

[0029] The inner wall of the groove 3, the reinforcing rib 4, the soil dispersion plate 6 and the mud-breaking teeth 8 are coated with a nano-hydrophobic coating. The nano-hydrophobic coating is a polytetrafluoroethylene nano-coating or a silicon dioxide-based nano-coating. The hydrophobic coating can reduce the adhesion of mud and water, making it easier for mud blocks to be scraped off, and reducing the corrosion of the structure by rainwater.

[0030] Example 1

[0031] When the vehicle is driving on muddy rural roads, the tires continuously throw mud and water from the road onto the mudguard body 1. A large amount of mud and water flows into the groove 3. Some of the mud and water gradually solidifies into a sticky mud mass after evaporation and compression, adhering to the inner wall of the groove 3, the surface of the reinforcing rib 4, and the outer side of the mud dispersion plate 6.

[0032] The vibration generated by the vehicle's movement, or the airflow impact caused by the tire rotation, will synchronously drive the reinforcing rib 4 to slide back and forth along the sliding guide grooves 5 at both ends, and the soil dispersing plate 6 will slide relative to the reinforcing rib 4. During the linkage between the reinforcing rib 4 and the soil dispersing plate 6, its body, the soil dispersing plate 6 and the outer mud-breaking teeth 8 will continuously scrape and squeeze the mud and mud accumulated in the groove 3, cutting, loosening and decomposing the sticky mud into small pieces, so as to prevent the mud from hardening and blocking the flow path.

[0033] The loosened mud and water can be quickly discharged along the inclined angle of the groove 3, effectively preventing mud and water from flowing back to the body or the inside of the tires due to mud blockage. At the same time, the distributed arrangement of the reinforcing ribs 4 can improve the overall impact resistance of the mudguard, extend the service life of the product, avoid the addition of extra weight due to caking mud, reduce the connection load of the installation part, and ensure the stability of the mudguard connection.

[0034] Example 2

[0035] When assembling the mudguard, the operator aligns the reinforcing bushing 9 with the bolt positioning hole 2 on the mudguard body 1 and slowly inserts it along the axial direction of the bolt positioning hole 2. The outer diameter of the reinforcing bushing 9 and the inner diameter of the bolt positioning hole 2 are in transition fit. When the reinforcing bushing 9 is fully inserted into the bolt positioning hole 2, the axial limiting ring 10 will fit tightly against the surface of the mudguard body 1 to form an axial limit and prevent the reinforcing bushing 9 from coming out of the bolt positioning hole 2 during use.

[0036] At this time, the anti-slip teeth 11 fixedly installed on the side of the axial limiting ring 10 near the mudguard body 1 will be embedded in the surface material of the mudguard body 1 under the action of the contact pressure of the axial limiting ring 10, further enhancing the connection between the hole reinforcement bushing 9 and the mudguard body 1, and preventing the hole reinforcement bushing 9 from rotating circumferentially or displacing axially due to vibration during vehicle operation. After the hole reinforcement bushing 9 is assembled, the mudguard can be fitted with the hole reinforcement bushing 9 through the bolt positioning hole 2, and the mudguard can be fixed on the mounting position near the vehicle frame or wheel hub by using fasteners such as bolts and screws through the hole reinforcement bushing 9.

[0037] The installation of the hole reinforcement bushing 9 effectively solves the problems of the traditional mudguard bolt positioning hole 2 being prone to enlargement, cracking, and deformation due to the relatively soft material and long-term exposure to fastener compression or vehicle vibration. This makes the overall structure of the mudguard more stable after installation and ensures the stable performance of the mudguard's anti-mud and water backflow function.

[0038] Finally, it should be noted that the above embodiments are merely examples for clearly illustrating the present invention and are not intended to limit the implementation. Those skilled in the art can make other variations or modifications based on the above description. It is neither necessary nor possible to exhaustively list all possible implementations. However, obvious variations or modifications derived therefrom are still within the protection scope of this invention.

Claims

1. A mudguard for preventing backflow of mud and water, comprising a mudguard body (1), two bolt positioning holes (2) and a groove (3), wherein the two bolt positioning holes (2) and the groove (3) are both located on the outside of the mudguard body (1), characterized in that, The groove (3) is provided with a number of reinforcing ribs (4). Each end of the groove (3) is provided with a sliding guide groove (5). The two ends of the reinforcing rib (4) are slidably connected to the inside of the two sliding guide grooves (5). Each reinforcing rib (4) is fitted with a soil dispersion plate (6) on its outside.

2. A car mudguard to prevent mud and water backflow as described in claim 1, characterized in that, Each of the soil dispersing cross plates (6) has a sliding through hole (7) at its end, and the soil dispersing cross plate (6) is slidably connected to the reinforcing rib (4) through the sliding through hole (7).

3. A car mudguard to prevent mud and water backflow as described in claim 1, characterized in that, Each of the soil dispersion cross plates (6) is fixedly equipped with several soil breaking teeth (8) on its exterior.

4. A car mudguard to prevent mud and water backflow as described in claim 1, characterized in that, Each of the bolt positioning holes (2) is slidably connected to a hole reinforcement bushing (9); The outer diameter of the hole reinforcement bushing (9) and the inner diameter of the bolt positioning hole (2) are in transition fit.

5. A car mudguard to prevent mud and water backflow as described in claim 4, characterized in that, An axial limiting ring (10) is fixedly installed on the outside of each of the hole reinforcement bushings (9).

6. A car mudguard to prevent mud and water backflow as described in claim 5, characterized in that, Each of the axial limiting rings (10) has several anti-slip teeth (11) fixedly installed on the side near the mudguard body (1).

7. The anti-mud water backflow automobile mudguard according to claim 1, characterized in that, The inner wall of the groove (3), the reinforcing rib (4), the soil dispersion plate (6) and the mud-breaking sharp teeth (8) are coated with a nano-hydrophobic coating.

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