Waterproof multifunctional automobile key with battery convenient to replace

The utility model belongs to the technical field of automobile keys, and particularly relates to a waterproof multifunctional automobile key with a battery convenient to replace, which comprises an upper cover, a lower cover, a key blank, a cover plate and a lower support, the cover plate is fixed by penetrating a screw through the lower cover, a key handle is arranged at the top of the key blank, and a decorating part is mounted at the top of the key blank in a clamping manner. The key blank and the key handle are fixed through a pin, and the decorating part is installed on the key blank. According to the utility model, the spare key is convenient to take out by pressing the button outside, and the key ring is arranged on the spare key and can bear larger tension, so that the spare key can bear larger torsion. 本实用新型属于汽车钥匙技术领域，具体为一种便利更换电池可防水的多功能汽车钥匙，包括上盖、下盖、钥匙胚、盖板和下支架，所述盖板通过螺丝穿过下盖固定，所述钥匙胚顶部开设有钥匙柄，所述钥匙胚顶部卡合安装有装饰件，所述钥匙胚和钥匙柄之间通过销钉固定，且装饰件安装在钥匙胚上。本实用新型通过外面按钮按压，取出备用钥匙方便，且备用钥匙上设有的钥匙环，钥匙环可承受较大拉力，使得备用钥匙可以承受较大扭力。