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簧片鎖是利用鑰匙來開啟的
，因此
必須有鑰匙孔讓鑰匙插入。鑰匙孔
的構形（即位置與形狀）設計，基
本上是為了使相對配的鑰匙插入
開鎖，並防止不對配的鑰匙進入。
【位置】
鑰匙孔的位置，大部分開在鎖體的
端面，有些開在正面、背面、上
面、或底面，有些則是同時開在相
鄰接的數個面上。若鑰匙孔僅出現
在鎖體的某一面，則稱為平面鑰
匙孔；否則，即稱為立體鑰匙孔。
立體鑰匙孔之位置與形狀的巧妙
設計，使古鎖形式益發多樣化，因
難以將鑰匙插入鑰匙孔中，往往令
人持鑰興嘆，給予開鎖人智慧的考
驗。
An ancient Chinese key-operated
padlock should have a keyhole for
the key to insert for opening
. The
configuration, i.e., the position and
shape , of a keyho l e i s bas i ca l l y
designed for the corresponding key to
enter and for preventing a foreign key
from opening the lock.
【
POSITIONS
】
A keyhole is normally on the sidewall
of the lock-body. Sometimes it appears
on the front side, the backside, the
topside, or the bottom side. And, some
keyholes are positioned across different
adjacent sides of the lock-body. If a
keyhole is on one side-end of the lock-
body, it is called a planar keyhole;
otherwise, it is a spatial keyhole. The
design of the positions and shapes of
spatial keyholes enriches the types of
ancient locks. One sometimes stares at
the keyhole for a long time, could not
help but sighs, marvels at the wisdom
within.