Waterproof and dust-prevention portable power supply suitable for outdoors

Abstract

The invention relates to a waterproof and a dust-prevention portable power supply suitable for outdoors. The waterproof and dust-prevention portable power supply comprises an upper shell, a lower shell, a portable power supply body and a universal serial bus (USB) output / input port, wherein the upper shell and the lower shell are movably connected, a display screen is arranged on the inner surface of the upper shell and connected with a circuit board through a wire, a memory is further arranged in the lower shell and connected with the circuit board, a solar cell and a key are arranged on the lower shell, a circle of groove with a large upper part and a small lower part is arranged on the lower shell, an insertion block is arranged on the upper shell and is in correspondence to the groove, a circle of arc-shaped rubber ring is arranged outside the insertion block, the lower end of the arc-shaped rubber ring is fixedly connected with the bottom surface of the insertion block, and a rubber plug is arranged on the USB output / input port. The waterproof and dust-prevention portable power supply has the advantages of high waterproof and dust-prevention effect and simplicity in structure, and the waterproof and dust-prevention portable power supply is suitable for various outdoor emergency situations and is suitably used for promotion.

Description

technical field [0001] The invention relates to the field of mobile power sources, in particular to a waterproof and dustproof mobile power source suitable for the field. Background technique [0002] The mobile power supply is a kind of electric energy storage of a portable charging device integrating power supply and charging functions. It can charge mobile phones, ipads, laptops and other digital devices anytime, anywhere or standby power. But in the wild, various accidents are prone to occur, such as the battery of the mobile power supply is exhausted, there may not be a place to charge it, or we get lost. If we go out, in order to prevent accidents, we have to carry various Emergency preparation facilities are heavy and inconvenient, and are easy to forget or lose; moreover, most of the current mobile power supplies are not waterproof and dustproof. , Dust easily enters the mobile power supply from seams and other gaps, and it is inconvenient to clean. Contents of th...

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Problems solved by technology

But in the wild, various accidents are prone to occur, such as the battery of the mobile power supply is exhausted, there may not be a place to charge it, or we get lost. If we go out, in order to prevent accidents, we have to carry various Emergency preparation facilities are heavy and inconvenient, and are easy to forget or lose; moreover, most of the current mobile power supplies are not waterproof and dustproof. , Dust easily enters the mobile power supply from seams and other gaps, and it is inconvenient to clean

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