| 摘要 |
<p>The present invention provides an increased safety-type explosion-proof junction box whose cover can be opened to an exact position from a main body and fastened to the main body more simply and tightly, and which can prevent the loss of a fastening bolt used for fastening the cover to the main body. According to the present invention, the junction box comprises: a rotation part prepared on one side of the cover and the main body in order to enable the cover to be rotated with respect to the one side from the front of the main body; a sealing member prepared at the end of a fastening flange formed on the main body, and also prepared on the inner surface of the cover at a position corresponding to the fastening flange in order to be pressed to each other and increase tightness when the cover is closed; a fixated nut formed on the upper and lower parts of the fastening flange; and a fastening bolt prepared in a rotatable and inseparable manner on the cover at a position corresponding to the fixated nut. As a result, the present invention enables the cover to be opened and closed quickly, accurately, and tightly; and can prevent the loss of the fastening bolt used for fastening the cover to the main body.</p> |
