Electronic device's waterproof and drop-proof shell and its preparation method

Abstract

The invention discloses an electronic device's waterproof and drop-proof shell and its preparation method. The shell comprises a carbon fiber sheet structure, an injection molding structure integrally formed on the back surface and the periphery of the carbon fiber sheet structure, a soft rubber protection structure integrally formed on the front surface of the carbon fiber sheet structure, and a silicone waterproof structure integrally molded on the injection molding structure. The carbon fiber sheet structure is integrated with the injection molding structure to form a shell structure with a fixed appearance; a portion of the injection molding structure wraps the peripheral side of the carbon fiber sheet structure while the other portion of the injection structure forms an assembly structure on the back surface of the shell structure; the silicone waterproof structure is formed on the assembly structure so that when the assembly structure is assembled with corresponding structural parts, watertight sealing can be achieved for the elasticity of the silicone waterproofing structure and the interference fit of corresponding assembly components. As a result, it is possible to provide an electronic product shell which is thin in thickness, high in strength, light in weight, capable of realizing its complex structure with a simple process, and has excellent drop resistance and water resistance.

Description

technical field [0001] The invention relates to a waterproof and drop-proof shell of electronic equipment and a preparation method thereof. Background technique [0002] With the demand for 3C electronic products such as mobile phones, wearable products, and mobile electronics to become thinner, more fashionable, and more practical, more and more existing electronic product shells are made of materials that are lighter than aluminum alloys and stronger than steel. , carbon fiber material with better thermal conductivity than plastic, to meet the needs of thinner and thinner products, higher and higher strength of the whole machine, light weight, high temperature resistance and fast dissipation. [0003] In order to meet the high-strength requirements, the shell part generally adopts hot-pressed carbon fiber woven cloth with specific strength and specific modulus that is more than 7 times higher than steel. Sheets cannot meet the needs of 3C electronic products with complex ...

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Problems solved by technology

[0003] In order to meet the high-strength requirements, the shell part generally adopts hot-pressed carbon fiber woven cloth with specific strength and specific modulus that is more than 7 times higher than steel. Sheets cannot meet the needs of 3C electronic products with complex structures

[0004] Even for carbon fiber products with a simple structure, multi-layer hot pressing is required to form slowly, and due to the limitation of hot pressing process, a large amount of CNC processing is required after the product is hot pressed, and products that cannot be hot pressed are processed on the structural parts structure, making carbon fiber products, which are inherently high in material costs, more expensive

[0005] Although carbon fiber material is light and strong, and its specific gravity is only 1 / 4 of that of steel, it also leads to relatively poor toughness and impact resistance. It is easy to break due to falling or forced impact during daily use, resulting in expensive Carbon fiber product damage

[0006] With the popularization of the waterproof function of mobile phones, users have higher and higher requirements for mobile phone waterproofing, but the water absorption of carbon fiber materials makes it impossible to realize the waterproof function of mobile phones and cannot meet the functional requirements of existing 3C electronic products

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