A connector lock structure includes a first connector housing, a second connector
housing which is fitted to the first connector housing, a flexible lock member
which is frontwardly extended from the first connector housing along a connector
fitting direction and which has an engagement portion provided at an end portion
thereof, a latch member which is provided on the second connector housing and which
is engaged with the engagement portion, an operating arm which upwardly protrudes
from the end portion of the lock member and rearwardly extends and which has a
operation portion provided at a rear end portion thereof, and a fulcrum projection
which is provided on at least one of an outer wall face of the lock member and
a bottom surface of the operating arm facing the outer wall face.
