Mud guard, vehicle and method for preparing mud guard

Abstract

The invention relates to the technical field of automobile parts, in particular to a fender, a vehicle, a method for manufacturing the fender and a disc brake applied to the vehicle and close to the vehicle. The mudguard comprises a pressure-resistant base material, a reinforcing layer and a protective layer, wherein the pressure-resistant base material is prepared from a TC4 titanium The black titanium heat absorption layer is arranged on the inner side of the compression-resistant base material and is close to the disc brake; the black titanium heat absorption layer is used for absorbing heat generated when the disc brake works. According to the splash guard, the black titanium heat absorption layer used for absorbing heat generated when the disc brake works is arranged on the inner side, the absorbed heat is rapidly dissipated under the action of the flow guide grooves, on the basis that impurities such as water and silt are prevented from splashing to the disc brake, the heat generated when the disc brake works can be rapidly conducted, and the service life of the disc brake is prolonged. And the temperature of the disc brake is rapidly reduced, so that the constancy of the braking efficiency of the disc brake is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of vehicle accessories, and in particular to a fender, a vehicle and a method for preparing the fender. Background Art

[0002] Traditional disc brakes generate a lot of heat and dust when working, especially under long-term or heavy-load braking. If these problems are not properly managed, they will not only accelerate the wear of disc brakes and brake pads, reduce braking efficiency, but also cause pollution to surrounding components and increase maintenance costs.

[0003] Existing brake fender designs often focus on shielding splashing water and mud, but have limited effect on blocking high-temperature gases and dust generated by braking. For example, some fenders have complex structures and are difficult to disassemble and assemble, which brings inconvenience to daily maintenance; some fenders have insufficient coverage and cannot completely isolate high-temperature gases and dust, reducing the protective effect. During the operation of disc brakes, a large amount of heat is generated due to friction. Due to heat conduction, the existing fenders continue to bend and deform due to high temperatures, causing serious safety hazards. Summary of the invention

[0004] In view of this, an object of the present invention is to provide a fender, a vehicle and a method for preparing the fender.

[0005] In a first aspect, an embodiment of the present invention provides a fender, which is applied to a vehicle and close to a disc brake of the vehicle; the fender comprises:

[0006] The compression-resistant substrate is made of TC4 titanium alloy;

[0007] The black titanium heat absorption layer is arranged on the inner side of the pressure-resistant substrate, close to the disc brake; the black titanium heat absorption layer is used to absorb the heat generated when the disc brake is working;

[0008] The guide groove is opened in the pressure-resistant base material. The guide groove is adapted to the air outlet. The guide groove is used to conduct the heat generated by the disc brake during operation and absorbed by the black titanium heat absorption layer to the air outlet.

[0009] In combination with the first aspect, the black titanium heat absorption layer is a black titanium oxide film with a thickness of 5-7 um.

[0010] In combination with the first aspect, the guide groove includes: a first guide groove opened at the inner edge of the fender, and a second guide groove opened at the fender and close to the first guide groove;

[0011] The first guide groove and the second guide groove are respectively matched with the air outlet, and are used for conducting the heat generated by the disc brake during operation and absorbed by the black titanium heat absorption layer to the air outlet.

[0012] In combination with the first aspect, the fender further comprises:

[0013] The mounting holes are opened in the pressure-resistant base material;

[0014] The outer heat dissipation layer is attached to the outer edge of the pressure-resistant substrate.

[0015] In a second aspect, the present application provides a vehicle, comprising a fender as described above, wherein the fender is arranged on an outer side of a disc brake of the vehicle.

[0016] In a third aspect, the present application provides a method for preparing a fender, the method comprising:

[0017] Get a compression-resistant substrate;

[0018] Surface treatment of a pressure-resistant substrate is performed using plasma passivation to form a film on the pressure-resistant substrate;

[0019] In a high-voltage electrostatic environment, the film-formed pressure-resistant substrate is dyed and sealed to form a dense black titanium heat-absorbing layer on the inner side of the pressure-resistant substrate to obtain a fender.

[0020] In combination with the third aspect, after the step of obtaining the pressure-resistant substrate, the method further includes:

[0021] The compression-resistant substrate is soaked and pickled to clean the compression-resistant substrate and form a pattern.

[0022] In combination with the third aspect, the steps of soaking and pickling the compression-resistant substrate to clean the compression-resistant substrate and form a pattern include:

[0023] At a temperature of 48°C to 52°C, the pressure-resistant substrate is immersed in a mixed solution of Na2SiO3 and Na2CO3 for 5 to 10 minutes to clean the pressure-resistant substrate;

[0024] At room temperature, the cleaned pressure-resistant substrate is pickled and then dried using a mixed solution of hydrofluoric acid and hydrogen peroxide to remove dirt on the pressure-resistant substrate and form patterns.

[0025] In combination with the third aspect, after the steps of soaking and pickling the compression-resistant substrate to clean the compression-resistant substrate and forming the pattern, the method further includes:

[0026] Conduct a water film continuity check on the cleaned pressure-resistant substrate to obtain the inspection result;

[0027] Determine whether the inspection result indicates that the water film has broken within the preset time period;

[0028] If not, make sure the cleaning results meet the cleaning requirements.

[0029] In combination with the third aspect, the step of performing surface treatment on the pressure-resistant substrate by plasma passivation to form a film on the pressure-resistant substrate includes:

[0030] In a specified oxidation environment, the pressure-resistant substrate that has been cleaned is used as an anode, and phosphoric acid is used as an electrolyte to apply a specified voltage in an electrolytic cell to cause an oxidation reaction on the pressure-resistant substrate to form an oxide film.

[0031] In combination with the third aspect, the step of dyeing and sealing the film-forming pressure-resistant substrate under a high-voltage electrostatic environment to form a dense black titanium heat-absorbing layer on the inner side of the pressure-resistant substrate includes:

[0032] Depositing a dye on a pressure-resistant substrate having an oxide film formed thereon, so that the dye reacts in an electrolyte to generate a film layer having a black coloring property;

[0033] The dyed film layer is sealed and then treated again under boiling or vacuum to obtain a dense black titanium heat-absorbing layer.

[0034] In combination with the third aspect, after the step of dyeing and sealing the film-forming pressure-resistant substrate under a high-voltage electrostatic environment to form a dense black titanium heat-absorbing layer on the inner side of the pressure-resistant substrate, the method further includes:

[0035] The prepared fender is subjected to a performance test to obtain performance parameters of the fender; the performance parameters at least include: appearance parameters, corrosion resistance parameters, film thickness parameters and wear resistance times parameters.

[0036] The embodiments of the present invention bring the following beneficial effects: the present application provides a fender, a vehicle and a method for preparing the fender, wherein the fender is applied to a vehicle and is close to a disc brake of the vehicle; the fender comprises: a pressure-resistant substrate, which is made of TC4 titanium alloy material; a black titanium heat-absorbing layer, which is arranged on the inner side of the pressure-resistant substrate and is close to the disc brake; the black titanium heat-absorbing layer is used to absorb the heat generated when the disc brake is working; a guide groove, which is opened in the pressure-resistant substrate, the guide groove is adapted to the air outlet, and the guide groove is used to conduct the heat generated when the disc brake is working and absorbed by the black titanium heat-absorbing layer to the air outlet.

[0037] The fender provided in the present application is provided with a black titanium heat-absorbing layer on the inner side for absorbing the heat generated when the disc brake is working, and the absorbed heat is quickly dissipated under the action of the guide groove. On the basis of preventing impurities such as water and mud from splashing onto the disc brake, it can also quickly conduct the heat generated when the disc brake is working, so that the temperature of the disc brake drops rapidly, thereby improving the constancy of the braking efficiency of the disc brake and avoiding the safety hazard caused by the bending and deformation of the existing fender due to high temperature.

[0038] Other features and advantages of the present invention will be described in the following description, and partly become apparent from the description, or understood by practicing the present invention. The purpose and other advantages of the present invention are realized and obtained by the structures particularly pointed out in the description, claims and drawings.

[0039] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, preferred embodiments are given below and described in detail with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0040] In order to more clearly illustrate the specific implementation methods of the present invention or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without paying any creative work.

[0041] Figure 1 A schematic structural diagram of a fender provided by an embodiment of the present invention from a first viewing angle;

[0042] Figure 2 A schematic structural diagram of a fender provided by an embodiment of the present invention from a second viewing angle;

[0043] Figure 3 A flow chart of a method for preparing a fender provided in an embodiment of the present invention.

[0044] Reference numerals:

[0045] 1-pressure-resistant substrate, 2-black titanium heat-absorbing layer, 3-outer heat dissipation layer, 4-mounting hole, 5-first guide groove, 6-second guide groove. DETAILED DESCRIPTION

[0046] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the present invention.

[0047] In order to facilitate the understanding of this embodiment, the technical terms designed in this application are briefly introduced below.

[0048] Disc brake fenders, also known as brake guards or dust covers, are important accessories usually installed on one side of the disc brake, mainly used to protect the brake system from the harsh external environment. Therefore, the selection of fender materials should meet higher performance requirements so that the fenders can adapt to various extreme environments.

[0049] After introducing the technical terms involved in this application, the application scenarios and design concepts of the embodiments of this application are briefly introduced.

[0050] During the operation of the disc brake, a large amount of heat is generated due to friction. Due to heat conduction, the existing fenders are continuously heated and bend and deform, causing serious safety hazards.

[0051] Based on this, embodiments of the present application provide a fender, a vehicle, and a method for preparing the fender.

[0052] Example 1

[0053] The present application provides a fender, which is applied to a vehicle and close to a disc brake of the vehicle; Figure 1 , Figure 2 As shown, the fender includes: a pressure-resistant substrate 1, a black titanium heat-absorbing layer 2 and a guide groove.

[0054] The compression-resistant substrate 1 is made of TC4 titanium alloy material.

[0055] The black titanium heat absorption layer 2 is attached to the inner side of the pressure-resistant substrate 1, close to the disc brake; the black titanium heat absorption layer 2 is used to absorb the heat generated when the disc brake is working.

[0056] The guide groove is formed in the pressure-resistant substrate 1, and is matched with the air outlet. The guide groove is used to conduct the heat generated by the disc brake during operation absorbed by the black titanium heat absorption layer 2 to the air outlet.

[0057] The fender provided in the present application has a pressure-resistant substrate 1 as a strength support, and absorbs the heat generated when the disc brake is working through a black titanium heat-absorbing layer 2 attached to the inner side of the pressure-resistant substrate 1, and then discharges the heat through the guide groove. In this way, while protecting the disc brake and other components from pollution and damage, it can also absorb and discharge the heat generated when the disc brake is working. In addition, the material properties of the black titanium layer can improve the overall toughness, corrosion resistance, high temperature resistance and other environmental adaptability of the fender.

[0058] Among them, the compression-resistant substrate 1 is made of TC4 titanium alloy material. TC4 (Ti-6Al-4V) is a widely used titanium alloy with excellent mechanical properties and corrosion resistance. It can maintain good mechanical properties even at high temperatures. After forging, casting, and surface treatment according to application requirements, the corrosion resistance and aesthetics can be further improved. According to GB / T3620.1-2016 standard, the compression-resistant substrate 1 made of TC4 material is composed of the following mass proportions. The main component of TC4 is titanium (Ti), which usually accounts for more than 99% of the total mass. Aluminum (Al) accounts for 5.5% to 6.5% of the total weight, vanadium (V) accounts for 5.5% to 6.5% of the total weight, iron (Fe) accounts for 0.25% of the total weight, and the carbon (C) component is not more than 0.05%. Carbon can improve the strength and hardness of steel, but it will also reduce its plasticity and toughness. The remaining impurity components N, H, and O are not more than 0.03%, 0.0125%, and 0.13%, respectively. According to GB / T 3621-2022 standard, the thickness of the fender is 1.5mm, and the annealed state (M) must meet the mechanical properties and test requirements specified in the standard (including 240h neutral salt spray test).

[0059] In combination with the first aspect, the black titanium heat absorption layer 2 is a black titanium oxide film with a thickness of 5-7 um.

[0060] The heat absorption principle of black titanium material mainly relies on the highly selective heat absorption technology of its nano-composite metal. The pressure-resistant substrate made of titanium alloy material is anodized in a phosphoric acid solution to form a black titanium oxide film with a thickness of 5-7um on its surface. It can highly selectively and effectively absorb the heat generated by the brake disc when it is working. At the same time, it has strong heat absorption, weather resistance and corrosion resistance.

[0061] In combination with the first aspect, the guide groove includes: a first guide groove 5 opened on the inner edge of the fender, and a second guide groove 6 opened on the fender, the first guide groove 5 and the second guide groove 6 are respectively adapted to the air outlet, and the guide groove is used to conduct the heat generated by the disc brake absorbed by the black titanium heat absorption layer during operation to the air outlet.

[0062] A guide groove is provided on the pressure-resistant substrate 1 to guide the airflow and prevent the generated heat from accumulating inside the fender. The collected heat is dissipated to the outside along the second guide groove 6 and the first guide groove 5. The guide groove is usually a groove with a certain angle, which can be a straight line, a curve or a spiral, etc. The specific shape can be adjusted according to the application requirements. The air outlet can be circular, square or other shapes. The air outlet matches the outlet of the second guide groove 6 and the first guide groove 5. The air outlet is installed downstream of the guide groove. In this way, the collected heat is diffused along the second guide groove 6 and the first guide groove 5 to the air outlet to ensure that the heat can be quickly discharged, so that the heat generated inside can be dissipated in time to improve the heat dissipation performance and cooling effect. In addition, the opening of the guide groove can also reduce the overall mass and save costs.

[0063] In combination with the first aspect, the fender further includes: a mounting hole 4, which is opened in the pressure-resistant substrate 1. The fender is installed at a designated position of the vehicle through the mounting hole (specifically, in conjunction with the installation of the rear axle of the vehicle, the rear axle adopts a 5-hole installation method, and the 5 holes are equidistantly distributed circumferentially. In this embodiment, the distance from the center of the hole to the center of the fender is 72 mm, and the distance between each hole and the center of the fender is equal, so as to achieve the purpose of aesthetics and uniform force), so as to reduce the impact of impurities such as water and mud on the disc brake during the operation of the vehicle, so as to protect key components such as the disc brake and the brake system from pollution or corrosion, ensure the normal operation of the vehicle, and extend its service life; in addition, in the present application, a black titanium heat absorption layer 2 is attached to the side of the fender close to the disc brake, which can absorb the heat generated when the disc brake is working, and guide the heat along the guide groove to the wind direction of the air outlet to cool the disc brake.

[0064] The outer heat dissipation layer 3 is attached to the outer edge of the pressure-resistant substrate 1. The outer heat dissipation layer 3 is also the corrosion-resistant layer of the fender. In this application, a zinc-nickel alloy layer is used, which can meet the basic performance requirements of the material and withstand external extreme environments, thereby improving the environmental adaptability of the fender provided by this application.

[0065] In a second aspect, the present application provides a vehicle, comprising a fender as described above, wherein the fender is arranged on an outer side of a disc brake of the vehicle.

[0066] In an embodiment of the present application, a fender is installed on the outside of the disc brake to prevent the influence of impurities such as water and mud on the disc brake during vehicle operation, and based on the heat absorption capacity of the black titanium heat absorption layer 2 and the heat conduction of the guide groove, the heat generated during the operation of the disc brake is dissipated.

[0067] In a third aspect, the present application provides a method for making a fender, Figure 3 As shown, the method includes:

[0068] S110, obtaining a pressure-resistant substrate.

[0069] S120, performing surface treatment on the pressure-resistant substrate by plasma passivation to form a film on the pressure-resistant substrate.

[0070] S130, dyeing and sealing the film-forming pressure-resistant substrate under a high-voltage electrostatic environment to form a dense black titanium heat-absorbing layer on the inner side of the pressure-resistant substrate to obtain a fender.

[0071] A pressure-resistant substrate 1 made of TC4 titanium alloy material is selected, and a black titanium heat-absorbing layer 2 is formed on the pressure-resistant substrate 1 through surface treatment, dyeing, and sealing treatment, so as to obtain a fender with the black titanium heat-absorbing layer 2 attached to the inner side.

[0072] The pressure-resistant substrate 1 obtained in step S110 is made of TC4 titanium alloy material according to the size and shape of the fender required by the vehicle disc brake, using cutting, stamping and other processes. In the process of stamping and forging the pressure-resistant substrate 1, the second guide groove 6, the first guide groove 5 and the mounting hole 4 are pre-opened.

[0073] In step S120, the pressure-resistant substrate 1 is placed in a plasma treatment device, and impurities and oxides on the surface of the pressure-resistant substrate 1 are removed by plasma passivation to improve the activity of the surface of the pressure-resistant substrate 1 and enhance the adhesion of subsequent film formation. After plasma treatment, a thin and uniform protective film will be formed on the surface of the substrate. This film can improve the corrosion resistance and wear resistance of the substrate, laying the foundation for subsequent dyeing and sealing treatments.

[0074] Then, in step S130, the film-forming pressure-resistant substrate 1 is placed in a high-voltage electrostatic spraying device and sprayed with black titanium pigment. After dyeing, a sealing treatment is performed to enhance the compactness and stability of the heat absorption layer. The sealing treatment can be performed by spraying or soaking with a special sealing agent. Through the above dyeing and sealing treatment, a dense black titanium heat absorption layer 2 is formed on the inner side of the substrate. The black titanium heat absorption layer 2 has good heat absorption performance, can effectively absorb and dissipate heat, and improve the thermal management performance of the fender.

[0075] In combination with the third aspect, after step S110, the method further includes:

[0076] S111, soaking and pickling the compression-resistant substrate to clean the compression-resistant substrate and form a pattern.

[0077] Specifically, step S111 includes:

[0078] S1110, soaking the compression-resistant substrate in a mixed solution of Na2SiO3 and Na2CO3 at a temperature of 48°C-52°C for 5-10 minutes to clean the compression-resistant substrate.

[0079] S1111, at room temperature, the cleaned pressure-resistant substrate is pickled and then dried using a mixed solution of hydrofluoric acid and hydrogen peroxide to remove dirt on the pressure-resistant substrate and form a pattern.

[0080] After obtaining the pressure-resistant substrate 1, the pressure-resistant substrate 1 is first soaked, pickled, cleaned, and dried. First, the pressure-resistant substrate 1 is soaked in a solution containing a detergent to remove grease, dust, and other impurities on the surface of the pressure-resistant substrate 1. After that, the soaked pressure-resistant substrate 1 is placed in a pickling tank and pickled with a mixed solution of hydrofluoric acid and hydrogen peroxide to remove oxides and residues on the surface of the pressure-resistant substrate 1 and form a specific pattern. The pickling time is usually 10s-15s.

[0081] After pickling, the compressive substrate 1 is removed and thoroughly rinsed with a high-pressure water gun to remove the acid and residue on the surface. After cleaning, it is placed in a drying oven for drying. The temperature is usually controlled at 60-80°C and the drying time is 30-60 minutes to ensure that the substrate is completely dry without any moisture residue.

[0082] In combination with the third aspect, after step S111, the method further includes:

[0083] S112, performing a water film continuity inspection on the cleaned pressure-resistant substrate to obtain an inspection result.

[0084] S113, determining whether the inspection result indicates that the water film has broken within a preset time period.

[0085] If not, execute step S114; if so, execute step S115.

[0086] S114, determining whether the cleaning result meets the cleaning requirements.

[0087] S115, determining that the cleaning result does not meet the cleaning requirements, and repeating steps S111-S113.

[0088] In this embodiment, the pressure-resistant substrate 1 is pretreated, and the treatment result of the pretreated pressure-resistant substrate 1 is checked, and based on the inspection result, it is determined whether the above-mentioned cleaning meets the preset cleaning requirements. When the cleaning requirements are met, steps S120-S130 can be continued; if the cleaning requirements cannot be met, the pressure-resistant substrate 1 should be pretreated again until the pressure-resistant substrate 1 that meets the cleaning requirements is obtained.

[0089] In conjunction with the third aspect, step S120 includes:

[0090] S121, in a specified oxidation environment, the pressure-resistant substrate that has been cleaned is used as an anode, phosphoric acid is used as an electrolyte, and a specified voltage is applied in an electrolytic cell to cause an oxidation reaction on the pressure-resistant substrate to form an oxide film.

[0091] Specifically, phosphoric acid is selected as the electrolyte, and the concentration is generally 10-20%. The phosphoric acid solution is poured into the electrolytic cell, and the solution temperature is controlled at 20-30° C. The cleaned pressure-resistant substrate 1 is used as the anode, connected to the positive electrode of the power supply, and a suitable conductive material (such as a lead plate) is selected as the cathode, connected to the negative electrode of the power supply, and the distance between the anode and the cathode is ensured to be moderate, usually 1-3 cm.

[0092] Subsequently, the pressure-resistant substrate 1 is immersed in the electrolyte to ensure that the pressure-resistant substrate 1 is completely immersed, and a voltage of 5-7 V is applied. During the voltage application process, an oxidation reaction occurs on the surface of the pressure-resistant substrate 1 to form a dense oxide film. It can be understood that the thickness and quality of the oxide film can be controlled by adjusting the voltage, current density and treatment time.

[0093] After the oxidation treatment is completed, the pressure-resistant substrate 1 is taken out from the electrolyte and thoroughly rinsed with clean water to remove the electrolyte residue on the surface.

[0094] In conjunction with the third aspect, step S130 includes:

[0095] S131, depositing a dye on the pressure-resistant substrate formed with an oxide film, so that the dye reacts in an electrolyte to generate a film layer having a black coloring property.

[0096] S132, sealing the dyed film layer, and treating the sealed film layer again under boiling or vacuum to obtain a dense black titanium heat absorption layer.

[0097] First, a fuel solution (such as Cu salt, Fe salt, etc.) is prepared, and the pressure-resistant substrate 1 with the oxide film formed is immersed in the fuel solution. Within the set immersion time, the dye molecules in the dye solution will react chemically with the oxide on the surface of the oxide film through stirring or ultrasonic assistance to produce a film layer with black coloring properties, and then it is cleaned under the action of a high-pressure water gun. The immersion time is usually 5-30 minutes.

[0098] Then, the dyed pressure-resistant substrate 1 is placed in a sealing solution, which is usually an aqueous solution of nickel salt, chromium salt or other metal salts, for sealing treatment, which can enhance the corrosion resistance and wear resistance of the dyed film layer, making it more stable and durable.

[0099] Subsequently, the sealed pressure-resistant substrate 1 is boiled in hot water (usually at a water temperature of 80-100° C.), or is placed in a vacuum drying oven and evacuated to a certain vacuum degree, and then cleaned and dried again after a set period of time.

[0100] Among them, the boiling time is usually 10-30 minutes, and the boiling treatment can further improve the density and adhesion of the film layer, making it more firm; the vacuum time is usually 30-60 minutes, and the vacuum treatment can remove bubbles and moisture in the film layer, further improving the density and stability of the film layer.

[0101] After step S130, the method further includes:

[0102] S140, performing a performance test on the prepared fender to obtain performance parameters of the fender; the performance parameters at least include: appearance parameters, corrosion resistance parameters, film thickness parameters, wear resistance parameters and smoke resistance parameters.

[0103] After the fender is prepared based on the above steps S110-S130, a performance test is performed to obtain the performance parameters of the fender, wherein the performance parameters at least include: appearance parameters, corrosion resistance parameters, film thickness parameters and wear resistance times parameters.

[0104] It can be understood that the appearance parameters should include: the appearance should be bluish black, the black titanium heat absorption layer 2 should be continuous and uniform, without blistering, cracks, local shedding and the like.

[0105] Corrosion resistance parameters should include: compliance with the standard GB / T 10125-2021 "Artificial atmosphere corrosion test salt spray test", and no darkening or rusting occurs on the surface after 240 hours.

[0106] The thickness parameter of the film layer, the thickness parameter range of the black titanium heat absorption layer 2 should be 5-7um.

[0107] The wear resistance parameters should include: wiping the surface of the black titanium heat absorption layer 2 with a veil for 20 times, and the black titanium heat absorption layer 2 should not change significantly; wiping 30 times should not leak the pressure-resistant substrate 1.

[0108] Those skilled in the art can clearly understand that, for the convenience and brevity of description, the specific working process of the system and device described above can refer to the corresponding process in the aforementioned method embodiment, and will not be repeated here.

[0109] In addition, in the description of the embodiments of the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the internal communication of two components. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0110] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0111] Finally, it should be noted that the above embodiments are only specific implementations of the present invention, which are used to illustrate the technical solutions of the present invention, rather than to limit them. The protection scope of the present invention is not limited thereto. Although the present invention is described in detail with reference to the above embodiments, those skilled in the art should understand that any person skilled in the art can still modify the technical solutions recorded in the above embodiments within the technical scope disclosed by the present invention, or can easily think of changes, or make equivalent replacements for some of the technical features therein; and these modifications, changes or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present invention, and should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention shall be based on the protection scope of the claims.

Claims

1. A fender, characterized in that: A disc brake applied to a vehicle and adjacent to said vehicle; said fender comprising: The compression-resistant substrate is made of TC4 titanium alloy; A black titanium heat absorption layer is arranged on the inner side of the pressure-resistant substrate and close to the disc brake; the black titanium heat absorption layer is used to absorb the heat generated when the disc brake is working; A guide groove is provided in the pressure-resistant substrate, the guide groove is matched with the air outlet, and the guide groove is used to conduct the heat generated by the disc brake during operation and absorbed by the black titanium heat absorption layer to the air outlet.

2. The fender according to claim 1, characterized in that: The black titanium heat absorption layer is a black titanium oxide film with a thickness of 5-7 um.

3. The fender according to claim 1, characterized in that: The guide groove comprises: a first guide groove opened on the edge of the fender, and a second guide groove opened on the fender; The first guide groove and the second guide groove are respectively matched with the air outlet, and are used to conduct the heat generated by the disc brake during operation and absorbed by the black titanium heat absorption layer to the air outlet.

4. The fender according to claim 1, characterized in that: The fender further comprises: A mounting hole is provided in the pressure-resistant substrate; The outer heat dissipation layer is attached to the outer edge of the pressure-resistant substrate.

5. A vehicle, characterized in that: The fender comprises the fender according to any one of claims 1 to 4, wherein the fender is arranged on the outer side of the disc brake of the vehicle.

6. A method for preparing a fender, characterized in that: The method comprises: Get a compression-resistant substrate; Performing surface treatment on the pressure-resistant substrate by plasma passivation to form a film on the pressure-resistant substrate; In a high-voltage electrostatic environment, the film-formed pressure-resistant substrate is dyed and sealed to form a dense black titanium heat-absorbing layer on the inner side of the pressure-resistant substrate, thereby obtaining a fender as described in any one of claims 1 to 4.

7. The method according to claim 6, characterized in that After the step of obtaining the pressure-resistant substrate, the method further comprises: The compression-resistant substrate is soaked and pickled to clean the compression-resistant substrate and form patterns.

8. The method according to claim 6, characterized in that The step of soaking and pickling the pressure-resistant substrate to clean the pressure-resistant substrate and form a pattern comprises: At a temperature of 48° C. to 52° C., soaking the compression-resistant substrate in a mixed solution of Na2SiO3 and Na2CO3 for 5 to 10 minutes to clean the compression-resistant substrate; At room temperature, the cleaned pressure-resistant substrate is subjected to acid washing and then drying treatment using a mixed solution of hydrofluoric acid and hydrogen peroxide to remove dirt on the pressure-resistant substrate and form patterns.

9. The method according to claim 6, characterized in that After the steps of soaking and pickling the pressure-resistant substrate to clean the pressure-resistant substrate and forming a pattern, the method further comprises: Performing a water film continuity inspection on the cleaned pressure-resistant substrate to obtain an inspection result; Determining whether the inspection result indicates that the water film has broken within a preset time period; If not, make sure the cleaning results meet the cleaning requirements.

10. The method according to claim 6, characterized in that The step of performing surface treatment on the pressure-resistant substrate by plasma passivation to form a film on the pressure-resistant substrate comprises: In a specified oxidation environment, the pressure-resistant substrate that has been cleaned is used as an anode, and phosphoric acid is used as an electrolyte to apply a specified voltage in an electrolytic cell to cause an oxidation reaction on the pressure-resistant substrate to form an oxide film.

11. The method according to claim 6, characterized in that Under a high-voltage electrostatic environment, the step of dyeing and sealing the film-forming pressure-resistant substrate to form a dense black titanium heat-absorbing layer on the inner side of the pressure-resistant substrate comprises: Depositing a dye on the pressure-resistant substrate formed with an oxide film, so that the dye reacts in an electrolyte to generate a film layer having a black color-developing property; The dyed film layer is sealed, and the sealed film layer is treated again under boiling or vacuum to obtain a dense black titanium heat-absorbing layer.

12. The method according to claim 6, characterized in that In a high-voltage electrostatic environment, after dyeing and sealing the film-forming pressure-resistant substrate to form a dense black titanium heat-absorbing layer on the inner side of the pressure-resistant substrate, the method further includes: The prepared fender is subjected to a performance test to obtain performance parameters of the fender; the performance parameters at least include: appearance parameters, corrosion resistance parameters, film thickness parameters and wear resistance times parameters.

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