Vehicular door lock device

A vehicular door lock device comprising:

• a base portion rotatably supporting a latch holding a vehicle door in a closed state by engaging with a striker;
• a switching mechanism switching between a lock state where releasing of the engagement between the latch and the striker during a door opening operation of a door operation handle provided on the vehicle door is prohibited and an unlock state where releasing of the engagement between the latch and the striker during the door opening operation of the door operation handle is allowed;
• an electric mechanism capable of electrically switching the switching mechanism between the lock state and the unlock state;
• a housing accommodating the switching mechanism and the electric mechanism and connected to the base portion;
• and
• a blocking member disposed in the housing, wherein
• an opening through which an operation tool is insertable from an outside of the base portion into the housing is provided at a part of the base portion facing the switching mechanism,
• the blocking member allows an operation for inserting the operation tool from an outside of the housing into the housing through the opening and an operation for switching the switching mechanism from the unlock state to the lock state by means of the operation tool inserted in the housing as a result of the operation, and blocks the opening when the operation tool is not inserted through the opening,
• the blocking member is made of rubber and has a blocking portion having a shape blocking the opening, and
• a slit allowing the operation tool to be inserted therein is formed in the blocking portion.