Metal keyboard cover and forming method thereof

Abstract

The invention provides a metal keyboard cover and a forming method thereof. According to the metal keyboard cover and the forming method thereof, the metal keyboard cover comprises a metal panel, the lower surface of the metal panel is magnetically connected with a metal frame, the metal frame is internally provided with a plurality of magnets providing adsorption capacity, the upper surface of the metal panel is provided with a thermal insulation film, the inner surface of the metal panel is fixedly connected with a silica gel skeleton, and the silica gel skeleton is fixedly connected with the metal panel. The silica gel framework is provided with a hollowed-out grid, and the inner surface of the hollowed-out grid is fixedly connected with a silica gel cover. According to the metal keyboard cover and the forming method thereof, through accurate material selection and structural design, the comfort and durability of the metal keyboard cover in actual use are ensured, and the metal panel made of aluminum alloy or stainless steel has excellent corrosion resistance and strength after being subjected to anodic oxidation treatment.

Description

Technical Field

[0001] The invention relates to the technical field of keyboard covers, in particular to a metal keyboard cover and a molding method thereof. Background Art

[0002] The basic structure of a metal keyboard cover usually includes a metal shell, which is used to cover the keyboard surface and play a role in protection and aesthetics. The metal keyboard cover is generally formed by stamping, cutting, bending and other processes, and through precision processing, it has a shape and hole position that is compatible with the keyboard structure. At the same time, metal materials such as aluminum alloy or stainless steel have high strength and durability, which can improve the impact resistance and wear resistance of the keyboard. In addition, the thermal conductivity of metal materials helps the keyboard dissipate heat and prevent overheating caused by long-term use.

[0003] System defects Although the metal keyboard cover has excellent protection function and aesthetics, it also has some defects. First, the metal keyboard cover is heavy, which will increase the weight of the entire keyboard device and affect portability. Since metal materials have good thermal conductivity, they may make users feel cold in winter or low temperature environments, affecting the user experience. Summary of the invention

[0004] In view of the deficiencies in the prior art, the present invention provides a metal keyboard cover and a forming method thereof, which solves the problem that the metal keyboard cover is heavy and makes the user feel cold in winter or low temperature environments.

[0005] To achieve the above objectives, the present invention is implemented through the following technical solutions: a metal keyboard cover, comprising: A metal panel, wherein the lower surface of the metal panel is magnetically connected to a metal frame, a plurality of magnet blocks providing adsorption capacity are arranged inside the metal frame, and a temperature insulation film is arranged on the upper surface of the metal panel; A silicone skeleton is fixedly connected to the inner surface of the metal panel, the silicone skeleton is provided with hollow spaces, and a silicone cover is fixedly connected to the inner surface of the hollow spaces.

[0006] Preferably, the magnet block is magnetically connected to the metal frame, the number of the temperature insulation films is two and they are distributed on the left and right, the upper side of the silicone cover is provided with letter logos, and the lower side of the silicone cover is provided with a cavity.

[0007] Preferably, the metal panel is made of aluminum alloy or stainless steel, has excellent strength and corrosion resistance, and is anodized on the surface. The specific composition is as follows: aluminum alloy composition: aluminum accounts for 92%-94%, magnesium accounts for 3%-5%, silicon accounts for 1%-2%, and other trace elements such as copper and zinc are less than 1%. Stainless steel composition: iron accounts for 70%-75%, chromium accounts for 16%-18%, nickel accounts for 8%-10%, and others such as carbon, manganese, and silicon are less than 1%; The thermal insulation film: uses skin-like materials, preferably polyurethane or thermoplastic elastomer, to ensure comfort and not cold, and the specific ingredients are: polyurethane: polyether or polyester polyol, isocyanate, catalyst and additives; The metal frame is made of magnetic stainless steel or nickel-plated steel, with the following specific ingredients: magnetic stainless steel: iron accounts for 85%-90%, chromium accounts for 12%-14%, nickel accounts for 5%-7%, carbon, silicon, and manganese are less than 1%, and nickel-plated steel: steel matrix is ​​90%-95%, and the nickel content of the coating is 5%-10%; The silicone skeleton: uses food grade or medical grade silicone, and the specific ingredients are: siloxane polymer accounts for 80%-90%, silicon dioxide SiO2 accounts for 5%-10%, and cross-linking agent and antioxidant additives account for 1%-5%; The silicone cover is made of high-strength silicone material with good wear resistance and elasticity to avoid deformation during the use of the keyboard. The specific ingredients are: siloxane polymer accounts for 85%-90%, silicon dioxide SiO2 accounts for 5%-10%, and antioxidants and anti-aging agents account for 1%-3%.

[0008] A method for forming a metal keyboard cover according to any one of the items, comprising the following steps: a. Forming of metal panel: Choose aluminum alloy or stainless steel material, cut it according to the size of keyboard cover, and improve the corrosion resistance and hardness of the surface through anodizing treatment. After oxidation treatment, polish the surface to ensure smoothness and beauty; b. Forming and fixing of thermal insulation film: The thermal insulation film is made of polyurethane or thermoplastic elastomer material, and fixed to the upper surface of the metal panel by hot pressing or adhesive, ensuring that the film is tightly combined with the panel to ensure its heat insulation and skin-like touch; c. Forming of the metal frame: Use magnetic stainless steel or nickel-plated steel material, cut and bend it according to the size of the keyboard cover frame, set a number of magnet blocks in the frame, embed the magnet blocks into the metal frame, and ensure the magnetic adsorption function through close fit. The surface treatment of the metal frame adopts polishing or spraying process to improve the anti-oxidation and wear resistance of the frame; d. Production of silicone skeleton: Food-grade or medical-grade silicone is made into a silicone skeleton through injection molding process. Multiple hollow spaces are set on the skeleton for embedding silicone covers. The silicone skeleton is fixedly connected to the inner surface of the metal panel through bonding or hot-melt process to ensure its stability and durability; e. Forming of silicone cover: The silicone cover is made of high-strength silicone material through a compression molding process. The upper side of the cover has a letter logo and the lower side is provided with a cavity to ensure that the cover has good elasticity and wear resistance. The silicone cover is tightly matched with the hollow space of the silicone skeleton and is fixed by a snap-on connection or bonding method to ensure that it is not easily deformed; f. Overall assembly: Assemble the metal panel, metal frame, silicone frame, silicone cover and thermal insulation film as a whole. The metal frame is adsorbed on the lower surface of the metal panel by a magnet. All parts are connected by bonding, hot pressing or magnetic attraction to ensure the stability and compactness of the overall structure. g. Quality inspection: The assembled metal keyboard cover is inspected for appearance, heat insulation effect, magnetic adsorption performance, and elasticity and wear resistance of the silicone material to ensure that each component meets the design requirements. After passing the inspection, it will be packaged.

[0009] Preferably, the anodizing treatment of the metal panel adopts high voltage anodizing technology to ensure that its surface hardness reaches HV 350-500 and the corrosion resistance is enhanced.

[0010] Preferably, the thermal insulation film adopts a multi-layer structure, including an inner layer of polyurethane material and an outer layer coated with a skin-like silicone coating to ensure a soft touch and good thermal insulation performance.

[0011] Preferably, the magnet block is made of a strong neodymium iron boron magnet and is precisely cut by laser cutting technology to ensure precise matching between the magnet block and the metal frame.

[0012] Preferably, the silicone cover is formed by a seamless mold process to ensure that it will not deform or fall off during long-term use.

[0013] Preferably, the multi-layer structure of the temperature-insulating film has antibacterial material in the middle to prevent the growth of bacteria on the surface of the keyboard cover.

[0014] The present invention provides a method for forming a metal keyboard cover, which has the following beneficial effects: Through precise material selection and structural design, the comfort and durability of the metal keyboard cover in actual use are ensured. The metal panel made of aluminum alloy or stainless steel has excellent corrosion resistance and strength after anodizing. At the same time, it is firmly magnetically connected to the magnetic stainless steel frame through magnet blocks, which is easy to install and disassemble. The combination of silicone skeleton and silicone cover effectively improves the soft touch and key response performance of the keyboard, and the silicone material has excellent wear resistance and anti-aging properties, ensuring the stability and durability of the keyboard cover in long-term use.

[0015] This solution also has a good heat insulation effect. By using a skin-like thermal insulation film made of polyurethane or thermoplastic elastomer material, users will not feel the cold touch of the metal surface during operation, which enhances the comfort of use. The structural design of the thermal insulation film and the silicone skeleton ensures the overall heat dissipation and structural stability of the keyboard cover, and is suitable for use in different environments. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is the explosion schematic diagram of the present invention; Figure 3 For the present invention Figure 2 A schematic diagram of the structure enlargement in the middle; Figure 4 For the present invention Figure 2 A magnified schematic diagram of the structure at B in the middle; Figure 5 This is a schematic diagram of the keyboard membrane structure of the present invention; Figure 6 It is a schematic diagram of the lower structure of the present invention; Figure 7 For the present invention Figure 6 Enlarged schematic diagram of the structure at point C in the middle.

[0017] Among them, 1. Metal panel; 2. Thermal insulation film; 3. Silicone frame; 4. Metal frame; 5. Magnet block; 6. Hollow space; 7. Silicone cover; 8. Cavity. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only 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 ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0019] like Figure 1-7 As shown, an embodiment of the present invention provides a metal keyboard cover, including a metal panel 1, a metal frame 4 is magnetically connected to the lower surface of the metal panel 1, a plurality of magnet blocks 5 providing adsorption capacity are arranged inside the metal frame 4, the magnet blocks 5 are magnetically connected to the metal frame 4, the number of thermal insulation films 2 is two and they are distributed on the left and right, a letter logo is arranged on the upper side of the silicone cover 7, a cavity 8 is arranged on the lower side of the silicone cover 7, and a thermal insulation film 2 is arranged on the upper surface of the metal panel 1.

[0020] The inner surface of the metal panel 1 is fixedly connected with a silicone skeleton 3, and the silicone skeleton 3 is provided with a hollow space 6, and the inner surface of the hollow space 6 is fixedly connected with a silicone cover 7. The metal panel 1 is made of aluminum alloy or stainless steel, has excellent strength and corrosion resistance, and the surface is anodized. The specific composition is as follows: aluminum alloy composition: aluminum accounts for 92%-94%, magnesium accounts for 3%-5%, silicon accounts for 1%-2%, and other trace elements such as copper and zinc are less than 1%. Stainless steel composition: iron accounts for 70%-75%, chromium accounts for 16%-18%, nickel accounts for 8%-10%, and others such as carbon, manganese, and silicon are less than 1%; Thermal insulation film 2: It uses skin-like materials, preferably polyurethane or thermoplastic elastomer, to ensure comfort and not cold. The specific ingredients are: polyurethane: polyether or polyester polyol 70%-80%, isocyanate 10%-15%, catalyst and additives 5%-10%; Metal frame 4: Made of magnetic stainless steel or nickel-plated steel, the specific composition is: magnetic stainless steel: iron accounts for 85%-90%, chromium accounts for 12%-14%, nickel accounts for 5%-7%, carbon, silicon, manganese are less than 1%, nickel-plated steel: steel matrix 90%-95%, nickel content of plating layer 5%-10%; Silicone skeleton 3: Food grade or medical grade silicone is used, and the specific ingredients are: siloxane polymer accounts for 80%-90%, silicon dioxide SiO2 accounts for 5%-10%, and cross-linking agent and antioxidant additives account for 1%-5%; Silicone cover 7: Made of high-strength silicone material, it has good wear resistance and elasticity to avoid deformation during keyboard use. The specific ingredients are: siloxane polymer accounts for 85%-90%, silicon dioxide SiO2 accounts for 5%-10%, and antioxidants and anti-aging agents account for 1%-3%.

[0021] According to any one of the methods for forming a metal keyboard cover, the method comprises the following steps: a. Forming of the metal panel 1: Aluminum alloy or stainless steel material is selected and cut according to the size of the keyboard cover. The corrosion resistance and hardness of the surface are improved by anodizing. After the oxidation treatment, the surface is polished to ensure smoothness and beauty. The anodizing treatment of the metal panel 1 adopts high-voltage anodizing technology to ensure that its surface hardness reaches HV 350-500 and the corrosion resistance is enhanced; b. Forming and fixing of the thermal insulation film 2: The thermal insulation film 2 is made of polyurethane or thermoplastic elastomer material, and is fixed to the upper surface of the metal panel 1 by hot pressing or adhesive to ensure that the film is tightly combined with the panel to ensure its heat insulation and skin-like touch. The thermal insulation film 2 adopts a multi-layer structure, including an inner layer of polyurethane material and an outer layer coated with skin-like silicone coating to ensure a soft touch and good thermal insulation performance. The multi-layer structure of the thermal insulation film 2 is sandwiched with antibacterial material to prevent the growth of bacteria on the surface of the keyboard cover; c. Forming of the metal frame 4: Use magnetic stainless steel or nickel-plated steel material, cut and bend it according to the size of the keyboard cover frame, set a number of magnet blocks 5 in the frame, embed the magnet blocks 5 into the metal frame 4, and ensure the magnetic adsorption function through close fit. The surface treatment of the metal frame 4 adopts polishing or spraying process to improve the anti-oxidation and wear resistance of the frame; d. Production of silicone skeleton 3: Food grade or medical grade silicone is made into silicone skeleton 3 by injection molding process, a plurality of hollow spaces 6 are provided on the skeleton for embedding silicone cover 7, and the silicone skeleton 3 is fixedly connected to the inner surface of the metal panel 1 by bonding or hot-melt process to ensure its stability and durability; e. Forming of the silicone cover 7: The silicone cover 7 is manufactured by a compression molding process using high-strength silicone material. The upper side of the cover has letter logos and the lower side is provided with a cavity 8 to ensure that the cover has good elasticity and wear resistance. The silicone cover 7 is tightly matched with the hollow space 6 of the silicone skeleton 3 and is fixed by a snap-on connection or bonding method to ensure that it is not easily deformed. The silicone cover 7 adopts a seamless compression molding process to ensure that it will not deform or fall off during long-term use; f. Overall assembly: Assemble the metal panel 1, metal frame 4, silicone frame 3, silicone cover 7 and thermal insulation film 2 as a whole. The metal frame 4 is adsorbed on the lower surface of the metal panel 1 through the magnet block 5. All components are connected by bonding, hot pressing or magnetic attraction to ensure the stability and compactness of the overall structure. The magnet block 5 is made of NdFeB strong magnet and is precisely cut by laser cutting technology to ensure the precise fit between the magnet block 5 and the metal frame 4; g. Quality inspection: The assembled metal keyboard cover is inspected for appearance, heat insulation effect, magnetic adsorption performance, and elasticity and wear resistance of the silicone material to ensure that each component meets the design requirements. After passing the inspection, it will be packaged.

[0022] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A metal keyboard cover, characterized in that: include: A metal panel (1), wherein the lower surface of the metal panel (1) is magnetically connected to a metal frame (4), a plurality of magnet blocks (5) providing adsorption capability are arranged inside the metal frame (4), and a temperature insulation film (2) is arranged on the upper surface of the metal panel (1); A silicone skeleton (3) is fixedly connected to the inner surface of the metal panel (1), the silicone skeleton (3) is provided with a hollow space (6), and a silicone cover (7) is fixedly connected to the inner surface of the hollow space (6).

2. A metal keyboard cover according to claim 1, characterized in that: The magnet block (5) is magnetically connected to the metal frame (4); the number of the temperature-insulating films (2) is two and they are distributed on the left and right; a letter mark is provided on the upper side of the silicone cover (7); and a cavity (8) is provided on the lower side of the silicone cover (7).

3. The metal keyboard cover according to claim 1, characterized in that: The metal panel (1) is made of aluminum alloy or stainless steel, has excellent strength and corrosion resistance, and is anodized on the surface. The specific composition is as follows: aluminum alloy composition: aluminum accounts for 92%-94%, magnesium accounts for 3%-5%, silicon accounts for 1%-2%, and other trace elements such as copper and zinc account for less than 1%; stainless steel composition: iron accounts for 70%-75%, chromium accounts for 16%-18%, nickel accounts for 8%-10%, and other elements such as carbon, manganese, and silicon account for less than 1%; The thermal insulation film (2) is made of skin-like material, preferably polyurethane or thermoplastic elastomer, to ensure comfort and not feel cold. The specific ingredients are: polyurethane: polyether or polyester polyol (70%-80%), isocyanate (10%-15%), catalyst and additives (5%-10%); The metal frame (4) is made of magnetic stainless steel or nickel-plated steel, and its specific composition is as follows: magnetic stainless steel: iron accounts for 85%-90%, chromium accounts for 12%-14%, nickel accounts for 5%-7%, carbon, silicon, and manganese are less than 1%; nickel-plated steel: steel matrix is ​​90%-95%, and the nickel (Ni) content of the coating is 5%-10%; The silica gel skeleton (3) is made of food grade or medical grade silica gel, and its specific composition is as follows: siloxane polymer accounts for 80%-90%, silicon dioxide SiO2 accounts for 5%-10%, and cross-linking agent and antioxidant additives account for 1%-5%; The silicone cover (7) is made of high-strength silicone material, has good wear resistance and elasticity, and avoids deformation during the use of the keyboard. The specific composition is: siloxane polymer accounts for 85%-90%, silicon dioxide SiO2 accounts for 5%-10%, and antioxidants and anti-aging agents account for 1%-3%.

4. A method for forming a metal keyboard cover according to any one of claims 1 to 3, characterized in that: The following steps are involved: a. Forming of the metal panel (1): Aluminum alloy or stainless steel is selected and cut according to the size of the keyboard cover. The surface is anodized to improve the corrosion resistance and hardness. After the oxidation treatment, the surface is polished to ensure smoothness and beauty; b. Forming and fixing the thermal insulation film (2): The thermal insulation film (2) is made of polyurethane or thermoplastic elastomer material, and the thermal insulation film (2) is fixed to the upper surface of the metal panel (1) by heat pressing or adhesive, ensuring that the film is tightly combined with the panel to ensure its heat insulation and skin-like touch; c. Forming of the metal frame (4): using magnetic stainless steel or nickel-plated steel material, cutting and bending it according to the size of the keyboard cover frame, setting a plurality of magnet blocks (5) in the frame, embedding the magnet blocks (5) into the metal frame (4), and ensuring the magnetic adsorption function through close fit. The surface treatment of the metal frame (4) adopts a polishing or spraying process to improve the oxidation resistance and wear resistance of the frame; d. Preparation of the silicone skeleton (3): Food-grade or medical-grade silicone is made into a silicone skeleton (3) by injection molding, and a plurality of hollow spaces (6) are provided on the skeleton for embedding the silicone cover (7). The silicone skeleton (3) is fixedly connected to the inner surface of the metal panel (1) by bonding or hot-melt process to ensure its stability and durability; e. Forming of the silicone cover (7): The silicone cover (7) is manufactured using a high-strength silicone material through a compression molding process. The upper side of the cover has a letter logo and the lower side is provided with a cavity (8) to ensure that the cover has good elasticity and wear resistance. The silicone cover (7) is tightly matched with the hollow space (6) of the silicone frame (3) and is fixed by a snap-on connection or bonding method to ensure that it is not easily deformed; f. Overall assembly: The metal panel (1), the metal frame (4), the silicone frame (3), the silicone cover (7) and the thermal insulation film (2) are assembled as a whole. The metal frame (4) is adsorbed on the lower surface of the metal panel (1) by the magnet block (5). All the components are connected by bonding, hot pressing or magnetic attraction to ensure the stability and compactness of the overall structure; g. Quality inspection: The assembled metal keyboard cover is inspected for appearance, heat insulation effect, magnetic adsorption performance, and elasticity and wear resistance of the silicone material to ensure that each component meets the design requirements. After passing the inspection, it will be packaged.

5. The method for forming a metal keyboard cover according to claim 1, characterized in that: The anodizing treatment of the metal panel (1) adopts high voltage anodizing technology to ensure that its surface hardness reaches HV 350-500 and the corrosion resistance is enhanced.

6. A method for forming a metal keyboard cover according to claim 1, characterized in that: The thermal insulation film (2) adopts a multi-layer structure, including an inner layer of polyurethane material and an outer layer coated with a skin-like silicone coating, thereby ensuring a soft touch and good thermal insulation performance.

7. A method for forming a metal keyboard cover according to claim 1, characterized in that: The magnet block (5) is made of a strong neodymium iron boron magnet and is precisely cut using laser cutting technology to ensure precise matching between the magnet block (5) and the metal frame (4).

8. The method for forming a metal keyboard cover according to claim 1, characterized in that: The silicone cover (7) is formed by a seamless mold process to ensure that it will not deform or fall off during long-term use.

9. The method for forming a metal keyboard cover according to claim 1, characterized in that: The multi-layer structure of the temperature-insulating film (2) has antibacterial material sandwiched in the middle to prevent the growth of bacteria on the surface of the keyboard cover.

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