Connector Lock Structure

A connector lock structure comprising:

• a connector housing that is able to be fitted to a counterpart connector housing;
• a lock arm that extends along a fitting direction and is formed on a side wall of the connector housing, and maintains a fitted state by being elastically engaged with the counterpart connector housing;
• a pair of flexible and deformable plate-shaped support walls that protrude rearward of the side wall to sandwich a rear portion of the lock arm therebetween;
• a coupling portion that couples each of the plate-shaped support walls to the rear portion of the lock arm in a width direction of the connector housing;
• and
• an upward protruding portion that protrudes upward than the coupling portion and is formed on each of the plate-shaped support walls.