3results about How to "Easy to replace by yourself" patented technology

The utility model relates to the technical field of ear, especially quick release type watchband and ear, quick release type watchband includes watchband main part, ear in the watchband main part is connected, ear includes ear shell, unlocking piece, ear stem and unlocking drive mechanism, unlocking piece and ear stem are slidably arranged in the ear shell respectively, unlocking drive mechanism is arranged between unlocking piece and ear stem, ear stem can be telescopic in the inside and outside of ear shell through unlocking drive mechanism to realize the quick disassembly of ear relative to watch case, through setting unlocking drive mechanism between unlocking piece and ear stem, user can realize one button to disassemble ear, reduced ear's dismounting difficulty, children can one button to disassemble ear, avoid scald when watch battery is hot, thereby guarantee the health safety of children, simultaneously optimize the area proportion of unlocking piece top operating surface in the ear shell, increase the operating surface area of unlocking piece, children are easier to press unlocking piece, and it is convenient for children to disassemble ear.

The utility model provides a kind of prepayment electric energy meter with replaceable digital keyboard, it is related to electric energy meter field, prepayment electric energy meter with replaceable digital keyboard includes electric energy meter main body, installation groove is opened in electric energy meter main body, keyboard assembly is installed in installation groove, electric energy meter main body one end is hinged with cover plate one end, cover plate other end is detachably connected with the other end of electric energy meter main body, cover plate is used to limit keyboard assembly, prepayment electric energy meter with replaceable digital keyboard provided by the utility model is detachably connected by keyboard assembly and electric energy meter main body, user can conveniently and quickly replace keyboard by oneself, without replacing entire electric energy meter, greatly reduce maintenance cost and time cost, after keyboard assembly installation is completed, cover plate can be turned over, cover plate is pressed on keyboard assembly, realize the limitation of keyboard assembly.

The utility model relates to the technical field of the ear, especially quick detach watchband and ear, quick detach watchband includes watchband main part, the ear in watchband main part is connected, the ear includes ear shell, unlocking piece, ear stem and unlocking drive mechanism, and ear shell installs in watchband main part, and unlocking piece at least partial can extend to watchband main part outside to supply user press operation, unlocking piece and ear stem are slidably arranged in ear shell respectively, and unlocking drive mechanism is arranged between unlocking piece and ear stem, and ear stem can be telescopic in ear shell outside through unlocking drive mechanism to realize the quick assembly and disassembly of ear relative to watchcase, through setting up unlocking drive mechanism between unlocking piece and ear stem, user can realize one button to dismantle the ear, and the assembly and disassembly difficulty of ear is reduced, and it is convenient for user to replace watchband.