Wire end rapid insulation protection device

The invention discloses a wire end rapid insulation protection device. The device comprises a protection sleeve; a protective sleeve is of a hollow structure, an end cap is arranged at one end of the protective sleeve, and a locking pressing block is arranged at the other end of the protective sleeve; the end, close to the protective sleeve, of the locking pressing block is provided with external threads, and the end, close to the locking pressing block, of the protective sleeve is provided with internal threads matched with the external threads; the locking pressing block is in threaded connection with the protective sleeve; the locking pressing block is provided with a through hole which is used for the insertion of the end of a wire; and a first silica gel ring used for being matched with the locking pressing block to lock the wire is arranged in the protective sleeve. According to the wire end rapid insulation protection device of the invention, the whole exposed wire end can be wrapped in an all-insulati