Multifunctional tool for opening and closing safety service switch of automobile high-voltage system

The utility model provides a multifunctional tool for opening and closing a safety service switch of an automobile high-voltage system, which comprises a key sheet, the key sheet is provided with a handle part, a tooth part and a pin part, the tooth part extends out from the first end of the handle part and is provided with a plurality of racks, and the number and the size of the racks are matched with the structure of a locking plate of the safety service switch; the pin part extends out from the second end of the handle part, and the size of the pin part is matched with the lock groove structure of the safety service switch. The multifunctional tool can be used for conveniently and quickly opening three checkpoint mechanisms of the safety service switch of the automobile high-voltage system, and the handle part of the multifunctional tool is provided with the through hole, so that the multifunctional tool can be conveniently hung on devices such as a key ring and the like to be carried about. 本实用新型提供一种开合汽车高