Battery jar cover of insulin pump

The utility model discloses an insulin pump battery jar cover which comprises a main body mechanism, a locking mechanism and a storage mechanism, the locking mechanism is used for fixing the main body mechanism, and the storage mechanism is used for storing and fixing the locking mechanism; the main body mechanism comprises a cover body and an inner groove, the cover body is installed on the inner groove, and the groove design of a traditional battery jar cover is replaced by the combined arrangement of the first fixing rod, the second fixing rod, the second L-shaped groove and the first rubber block, so that when the cover body is locked, the cover body is locked, and the cover body is locked. According to the battery cover fixing device, the second fixing rod can be stored, so that the operation can be performed without a foreign object of which the diameter is equivalent to that of the groove of the battery cover, the phenomenon that the cover is easily damaged when the battery cover is tightened by using