| 摘要 |
<p>The present invention relates to a connection structure of an angle frame for a water tank in an apartment building, capable of promptly and easily binding a cross section of an angle frame of a water tank by bolting. The present invention comprises: a chamfer unit (34) formed in an outer corner of a corner fixture (30); angle fixing plates (31, 32, 33) installed in the cross section of the angle frames (21, 22, 23); stoppers (31s, 32s, 33s) formed in an outer corner of the angle fixing plates (31, 32, 33); long holes (31n, 32n, 33n) formed on the angle fixing plates (31, 32, 33); angle fixing bolts (40, 41, 42) combined with nuts (40n, 41n, 42n); O-rings (40r, 41r, 42r) installed in O-ring grooves (40g, 41g, 42g) formed in frontal portions (40d, 41d, 42d); protrusions (35a, 35b, 35c) formed in an inner corner portion of the angle fixing plates (31, 32, 33); a packing (54) installed in a packing groove (52) along an end portion of a cover (50); a tapped hole (36t) formed on the angle fixing plates (31, 32, 33); a through hole (56h) formed on a flat fastening surface (56) provided in an outer corner portion of the cover (50); and a sealing groove (62g) to install a sealing (64) in a head portion (62) of a cover fixing bolt (60).</p> |
