| 摘要 |
<p>A locking device of a holder for an oxygen blowing lance is provided to connect a high pressure oxygen hose with the oxygen blowing lance reliably. In a locking device of a holder for an oxygen blowing lance, a locking key(30) is kept inside a locking key keeping groove(12,22) formed at the holder(10) and a flame arrester(20) continuously. One side of the locking key is mounted and rotated at the keeping groove of the holder. A semi-circular pin insertion groove(24) is formed at both sides of a width direction which is face each other, for the locking key keeping groove of the flame arrester. A sliding pin(34) which is supported elastically by a spring to be inserted or separated from the pin insertion groove is installed at the other side of the locking key. A high pressure oxygen hose and the oxygen blowing lance are jointed or separated by combining or separating the holder which is mounted at an end portion of the high pressure oxygen hose, from the flame arrester which is formed at a clamp mounted at the end portion of the oxygen blowing lance.</p> |
