Antibacterial mildew-proof color-coated sheet

Abstract

The utility model provides an antibacterial mildew-proof color-coated sheet, which belongs to the technical field of color-coated sheets and comprises a metal substrate, a pretreatment layer and a transition layer, the pretreatment layer is positioned between the metal substrate and the transition layer, the transition layer is positioned above the metal substrate, a primer layer is arranged between the pretreatment layer and the transition layer, and a plurality of groups of vent holes are formed in the transition layer. The plurality of groups of vent holes are arranged at equal intervals to form a honeycomb structure; the top surface of the transition layer is provided with a first protection layer, and the bottom surface of the metal substrate is provided with a second protection layer. According to the color-coated sheet, the multiple sets of vent holes are formed in the transition layer, air circulation is optimized, and the color-coated sheet can be filled with the photocatalyst materials, so that sterilization substances can be continuously generated, and bacterium and mould breeding is effectively avoided; and meanwhile, through cooperation of the first protective layer and the second protective layer, double guarantee is achieved, bacteria and mould breeding is inhibited, the surface of the color-coated sheet can be kept clean and sterile for a long time in a humid and muggy environment, and therefore the service life of the color-coated sheet is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of color coated plate, more specifically, especially relate to an antibacterial mildewproof color coated plate. BACKGROUND

[0002] In order to realize the fusion of durability and multiple functions in electrical appliances, color coated plate is often used, which can resist wear and chemical corrosion in daily use, effectively guarantee the long-term stable operation of electrical appliances and prolong the service life. Electrical appliances are used in various environments in daily use, but the traditional color coated plate often only has simple protection ability and lacks effective antibacterial and mildewproof performance. When electrical appliances are used in humid environments, bacteria and mildew are likely to breed on the color coated plate, not only producing unpleasant odor, but also possibly contaminating internal items. At the same time, due to microbial erosion, the surface coating of electrical appliances will peel off or discolor after long-term use, reducing the service life of electrical appliances. UTILITY MODEL CONTENTS

[0003] To solve the above technical problems, the utility model provides an antibacterial mildewproof color coated plate to solve the technical problem that the traditional color coated plate lacks effective antibacterial and mildewproof performance and is likely to cause the color coated plate to breed bacteria and mildew and cause the coating to peel off or discolor in a humid environment.

[0004] The purpose and effect of the antibacterial mildewproof color coated plate of the utility model are achieved by the following specific technical means:

[0005] An antibacterial mildewproof color coated plate comprises a metal substrate, a pretreatment layer and a transition layer. The pretreatment layer is located between the metal substrate and the transition layer, and the transition layer is located above the metal substrate. A primer layer is arranged between the pretreatment layer and the transition layer. A plurality of groups of air holes are formed in the transition layer, and the plurality of groups of air holes are equidistantly arranged to form a honeycomb structure. A first protective layer is arranged on the top surface of the transition layer, and a second protective layer is arranged on the bottom surface of the metal substrate.

[0006] According to a preferred embodiment, the metal substrate comprises a plurality of groups of metal sheets, a plurality of groups of reinforcing ribs are arranged between the plurality of groups of metal sheets, and the plurality of groups of reinforcing ribs are equidistantly arranged. The reinforcing ribs extend longitudinally along the metal sheets.

[0007] According to a preferred embodiment, a plurality of groups of connecting holes are formed in the metal sheets, and a fixing rivet is arranged in the connecting holes corresponding to the two groups of metal sheets. The fixing rivet is located between the two groups of reinforcing ribs.

[0008] According to a preferred embodiment, the metal base plate further comprises a buffer intermediate layer, which is located above the metal sheet and in contact with the metal sheet, and a plurality of reinforcing ribs are arranged on the top surface of the buffer intermediate layer and extend transversely to the metal sheet, and the cross section of the reinforcing ribs is trapezoidal.

[0009] According to a preferred embodiment, the pretreatment layer comprises a protective sublayer, and an adjusting sublayer and an improved sublayer are arranged on both sides of the protective sublayer, the adjusting sublayer is in contact with the top surface of the protective sublayer, and the improved sublayer is in contact with the bottom surface of the protective sublayer.

[0010] According to a preferred embodiment, the top surface of the adjusting sublayer is provided with edge protrusions which surround the edges of the adjusting sublayer, the primer layer is located between the edge protrusions, and a plurality of grooves are formed in the top surface of the adjusting sublayer.

[0011] According to a preferred embodiment, the first protective layer comprises a topcoat layer which is coated on the top surface of the transition layer, and the top surface of the topcoat layer is covered with a protective film; and the second protective layer comprises a heat and moisture insulation layer which is in contact with the bottom surface of the metal base plate, and the bottom surface of the heat and moisture insulation layer is provided with a buffer pad layer.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] 1. The transition layer is arranged in the color coated plate, and a plurality of air holes arranged in the transition layer have a honeycomb structure, air circulation is increased, and the air holes are filled with internal photocatalytic materials, so that strong oxidizing substances can be continuously generated to efficiently kill bacteria and prevent mildew. At the same time, the topcoat layer contains antibacterial components, and cooperates with the transition layer to double-protect against the breeding of bacteria and mildew. Even in a humid and hot environment, the surface of the color coated plate can be kept clean and sterile for a long time, and the problem of peeling and discoloration of the coating caused by microbial erosion can be avoided, and the service life of the color coated plate is prolonged.

[0014] 2. The metal base plate is made of a plurality of metal sheets and is matched with reinforcing ribs and fixed rivets, so that the rigidity and stability of the base plate are enhanced, and the base plate is not easily deformed and damaged when subjected to external force impact and bending processing. The buffer intermediate layer and the bottom buffer pad layer can effectively absorb stress and buffer vibration, and protect the color coated plate from damage caused by daily collision and transportation. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is a structure schematic diagram of the utility model after assembly;

[0016] Figure 2 is a structure schematic diagram of the utility model after disassembly;

[0017] Figure 3This is a schematic diagram of the structure after the metal substrate has been disassembled;

[0018] Figure 4 This is a schematic diagram of the structure after the preprocessing layer is split;

[0019] Figure 5 This is a schematic diagram of the structure after the first protective layer has been disassembled;

[0020] Figure 6 This is a schematic diagram of the structure after the second protective layer is disassembled.

[0021] In the diagram, the correspondence between component names and their corresponding reference numerals is as follows:

[0022] 11. Metal substrate; 12. Metal sheet; 13. Reinforcing rib; 14. Fixing rivet; 15. Buffer intermediate layer; 16. Reinforcing rib; 21. Pretreatment layer; 22. Protective sub-layer; 23. Adjusting sub-layer; 24. Modified sub-layer; 25. Edge protrusion; 26. Groove; 31. Transition layer; 32. Vent hole; 41. Primer layer; 42. First protective layer; 43. Second protective layer; 44. Topcoat layer; 45. Protective film; 46. Heat insulation and moisture-proof layer; 47. Buffer pad layer. Detailed Implementation

[0023] The embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples. The following examples are used to illustrate the technical solution of this utility model, but should not be used to limit the scope of protection of this utility model.

[0024] Example:

[0025] like Figures 1 to 6 As shown, this utility model provides an antibacterial and mildew-resistant color-coated sheet, including a metal substrate 11. The metal substrate 11 serves as the foundation of the entire sheet, capable of supporting subsequent layers and withstanding complex external forces. A pretreatment layer 21 is attached to the metal substrate 11. The pretreatment layer 21 deeply cleans and activates the metal substrate 11, removing surface impurities and oxide layers. It also provides a foundation for the subsequent coating, ensuring the coating adheres firmly. A transition layer 31 is mounted on the pretreatment layer 21 and has multiple sets of ventilation holes 32. These ventilation holes 32 are equidistantly arranged in a regular honeycomb structure. The ventilation holes 32 not only optimize the airflow path, allowing air to pass smoothly, but also provide excellent space for filling photocatalyst material. The photocatalyst material, within the ventilation holes 32, fully contacts air and light, continuously generating strong oxidizing substances, giving the sheet powerful antibacterial and mildew-resistant properties. A first protective layer 42 is provided on the top surface of the transition layer 31 to further enhance the surface protection of the plate and resist external corrosion; while the second protective layer 43 on the bottom surface of the metal substrate 11 plays multiple roles such as heat insulation, moisture protection, and buffering, and comprehensively protects the performance of the color-coated plate.

[0026] likeFigure 2 、 Figure 3 As shown in the figure, the metal base plate 11 comprises a plurality of metal sheets 12, and a plurality of reinforcing ribs 13 are arranged at equal intervals between the plurality of metal sheets 12. The reinforcing ribs 13 extend along the longitudinal direction of the metal sheets 12, which can not only enhance the connection tightness between the metal sheets 12, but also improve the bending resistance of the base plate when subjected to longitudinal stress, effectively preventing the base plate from bending and deforming during processing under heavy pressure or curling.

[0027] A plurality of connecting holes are formed in each of the metal sheets 12, and a fixing rivet 14 is arranged in the connecting holes corresponding to the two metal sheets 12, and the fixing rivet 14 is located between the two reinforcing ribs 13, which ensures the rivet to reinforce the connection between the metal sheets 12 and further strengthens the overall stability of the metal base plate 11.

[0028] The metal base plate 11 further comprises a buffer intermediate layer 15 attached above the metal sheets 12. A plurality of reinforcing ribs 16 extend transversely from the top surface of the buffer intermediate layer 15 along the metal sheets 12, and the cross section of the reinforcing ribs 16 is trapezoidal, which can not only enhance the support force of the buffer intermediate layer 15 in the transverse direction, but also better disperse stress, cooperate with the metal sheets 12 below and the longitudinal reinforcing ribs 13, and comprehensively improve the rigidity and impact resistance of the metal base plate 11, laying a foundation for the durability of the color-coated sheet.

[0029] As shown in the figure, Figure 2 、 Figure 4 The pretreatment layer 21 comprises a protective sublayer 22, which can effectively block the penetration of impurities such as small particles and water vapor into the metal base plate 11, providing a basic protective barrier for the base plate. On both sides of the protective sublayer 22, an adjusting sublayer 23 and a modified sublayer 24 are arranged, respectively. The adjusting sublayer 23 is located on the top surface and contacts the protective sublayer 22, which can adjust its state according to the coating process requirements of the primer layer 41. The top edge of the adjusting sublayer 23 is surrounded by a ring-shaped edge protrusion 25, which defines the coating range of the primer layer 41, ensuring that the primer is evenly distributed within the area surrounded by the edge protrusion 25, avoiding overflow or uneven thickness. At the same time, a plurality of grooves 26 are evenly distributed on the top surface of the adjusting sublayer 23, which can store a small amount of air to prevent air bubbles from being generated during primer coating, thereby improving the adhesion between the primer and the lower layer. The modified sublayer 24 is located on the bottom surface of the protective sublayer 22, which can chemically react with the surface of the metal base plate 11, moderately modify the base plate, optimize its surface energy, and create good conditions for the stable adhesion of the protective sublayer 22.

[0030] As shown in the figure, Figure 2 、 Figure 5 、 Figure 6As shown, the topcoat layer 44 in the first protective layer 42 is the key to the appearance and surface protection of the color coated sheet, and is selected from weather-resistant materials such as fluorocarbon resins, and is coated on the top surface of the transition layer 31 to give the color coated sheet rich colors and excellent scratch resistance. The protective film 45 covering the top surface of the topcoat layer 44 is made of ultra-thin transparent polyester material, which can effectively isolate dust, oil stains, ultraviolet rays and other erosions in daily use, and long-term maintain the gloss and integrity of the topcoat layer 44. The heat insulation and moisture-proof layer 46 in the second protective layer 43 is composed of aerogel and moisture-proof agent, and is attached to the bottom surface of the metal substrate 11, which can greatly block heat conduction and block external moisture intrusion. The buffer pad layer 47 at the bottom is selected from rubber or foam material, which can buffer the impact force in the process of carrying and installing, and comprehensively ensures the stable performance of the color coated sheet.

[0031] The basic principle and main features of the present application and the advantages of the present application are shown and described above. It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments.

Claims

1. An antibacterial and mildew-resistant color-coated steel sheet, comprising a metal substrate (11), a pretreatment layer (21), and a transition layer (31), characterized in that: The pretreatment layer (21) is located between the metal substrate (11) and the transition layer (31), the transition layer (31) is located above the metal substrate (11), a primer layer (41) is provided between the pretreatment layer (21) and the transition layer (31), and multiple sets of ventilation holes (32) are provided on the transition layer (31), the multiple sets of ventilation holes (32) are arranged at equal intervals to form a honeycomb structure; a first protective layer (42) is provided on the top surface of the transition layer (31), and a second protective layer (43) is provided on the bottom surface of the metal substrate (11).

2. The antibacterial and mildew-resistant color-coated steel sheet according to claim 1, characterized in that: The metal substrate (11) includes multiple sets of metal sheets (12), and multiple sets of reinforcing ribs (13) are arranged between the multiple sets of metal sheets (12). The multiple sets of reinforcing ribs (13) are arranged at equal intervals and the reinforcing ribs (13) extend longitudinally along the metal sheets (12).

3. The antibacterial and mildew-resistant color-coated steel sheet according to claim 2, characterized in that: Multiple sets of connecting holes are provided on each of the metal sheets (12), and the fixing rivets (14) are inserted into the corresponding connecting holes of the two sets of metal sheets (12). The fixing rivets (14) are located between the two sets of reinforcing ribs (13).

4. The antibacterial and mildew-resistant color-coated steel sheet according to claim 3, characterized in that: The metal substrate (11) also includes a buffer intermediate layer (15), which is located above the metal sheet (12) and in contact with the metal sheet (12). The top surface of the buffer intermediate layer (15) is provided with multiple sets of reinforcing ribs (16), which extend laterally along the metal sheet (12) and have a trapezoidal cross section.

5. The antibacterial and mildew-resistant color-coated steel sheet according to claim 1, characterized in that: The pretreatment layer (21) includes a protective sublayer (22), and an adjustment sublayer (23) and an improvement sublayer (24) are respectively provided on both sides of the protective sublayer (22). The adjustment sublayer (23) is in contact with the top surface of the protective sublayer (22), and the improvement sublayer (24) is in contact with the bottom surface of the protective sublayer (22).

6. The antibacterial and mildew-resistant color-coated steel sheet according to claim 5, characterized in that: The top surface of the adjustment sub-layer (23) is provided with edge protrusions (25), the edge protrusions (25) surround the edge of the adjustment sub-layer (23), the primer layer (41) is located between the edge protrusions (25), and the top surface of the adjustment sub-layer (23) is also provided with multiple sets of grooves (26).

7. The antibacterial and mildew-resistant color-coated steel sheet according to claim 1, characterized in that: The first protective layer (42) includes a topcoat layer (44), which is applied to the top surface of the transition layer (31), and the top surface of the topcoat layer (44) is covered with a protective film (45); the second protective layer (43) includes a heat insulation and moisture-proof layer (46), which is in contact with the bottom surface of the metal substrate (11), and a buffer pad layer (47) is provided at the bottom of the heat insulation and moisture-proof layer (46).

Images