Mail reminder
A prompter and mail technology, applied in instruments, alarms, hardware monitoring, etc., can solve the problem of insufficient fixing method, and achieve the effect of easy installation and disassembly, firm fixing, and firm screw fixing.
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[0018] The present invention will be further described below in conjunction with the drawings and preferred embodiments.
[0019] The invention discloses a mail reminder, such as figure 1 with figure 2 As shown, it includes a housing, a circuit board 3 fixed in the housing by screws, and a usb plug 4 connected to the circuit board 3 through wires. In the present invention, since the circuit board 3 is fixed in the housing by screws, the screws are firmly fixed, which is convenient for installation and disassembly, so that the circuit board 3 is firmly fixed.
[0020] Such as figure 1 As shown, the housing includes a front shell 1 and a bottom shell 2 fixed by screws, and the circuit board 3 is fixed on the bottom shell 2 by screws. Combine figure 2 , The bottom shell 2 is provided with a screw hole post 21, the circuit board 3 is provided with a screw hole 31 matching the screw hole post 21, there are two screw hole posts 21, symmetrically arranged at two opposite corners of th...
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