METAL FITTING FOR AUXILIARY LOCK, AND AUXILIARY LOCK DEVICE

PROBLEM TO BE SOLVED: To provide a metal fitting for an auxiliary lock and an auxiliary lock device using the metal fitting that may be used with an entrance door having an interior corner-form wall structure, may be fitted without processing the door or a door frame, and may lock the door for certain.SOLUTION: A metal fitting 10 for an auxiliary lock is fitted to an outside edge part 21 disposed on an outer side of a door 2 on a fitting plate 20 fixed on a door frame 1, and includes: an almost box-form outside member 10a having an insertion part 11 formed on an end, into which the outside edge part of the fitting plate may be inserted, a door holding part 12 that holds an outer surface of the door, and lock rod insertion holes 13a, 13b, 13c formed on the other end; and an inner member 10b having a protrusion on an end that may be inserted into a locking insertion hole of the fitting plate and lock rod insertion holes 18a, 18b, 18c formed on the other end, the inner member being slidable into the outside member. When the inner member is slid into an edge part side of the outer member, the protrusion is inserted into the locking insertion hole of the fitting plate, and is locked.SELECTED DRAWING: Figure 1 【課題】入隅型の壁構造を有する玄関ドアに使用でき、ドア及びドア枠に加工を施すことなく装着でき、ドアを確実にロックすることができる補助錠用金具及びこの金具を用いた補助錠装置を提供する。【解決手段】ドア枠１に固定される取り付けプレート２０のドア２より外側に配置される外側端部２１に嵌合する補助錠用金具１０は、一端に設けられ取り付けプレートの外側端部が挿入可能な挿入部１１と、ドアの外表面を押さえる扉押さえ部１２と、他端に設けられた錠杆挿通孔１３ａ、１３ｂ、１３ｃとを有する略箱状の外側部材１０ａと、一端に取り付けプレートの施錠用挿通孔に挿通可能な突部を、他端に錠杆挿通孔１８ａ、１８ｂ、１８ｃを有し、外側部材の内側にスライド可能に配置された内側部材１０ｂとを備えている。内側部材は外側部材の一方の端部側にスライドされると、突部が取り付けプレートの施錠用挿通孔に挿通されてロック状態となる。【選択図】図１