Tailgate opening and closing device for vehicle

A tailgate opening and closing device for a vehicle, the tailgate opening and closing device comprising:

• a base formed, at a first side thereof, with a first insertion hole into or from which a striker is configured to be inserted or withdrawn;
• a main gear disposed at a second side of the base while being rotatable by a drive motor;
• a claw rotatably disposed at a side of the first insertion hole of the base while being formed with a second insertion hole configured for receiving the striker, to lock the striker when the striker is inserted into the first insertion hole and the second insertion hole;
• and
• a lever assembly including an error lever disposed adjacent to the main gear and the claw while extending across between the main gear and the claw, a pawl lever for locking or unlocking the claw, and a release lever connected to the error lever and the pawl lever while being pivotable about a rotation shaft of the release lever,
• wherein the error lever is formed with a first guide slit extending in a longitudinal direction of the error lever,
• wherein a third link is disposed at a rear side of the error lever,
• wherein the third link is bent from the release lever to a rotation shaft of the claw,
• wherein the third link is formed, at an inside thereof, with a second guide slit extending in a longitudinal direction of the third link,
• wherein a cinching pin is slidably coupled to the first guide slit of the error lever and the second guide slit of the third link, to extend through both the first guide slit and the second guide slit, and
• wherein the cinching pin slides along the first guide slit and the second guide slit during operation of the lever assembly, to pivot the release lever and to rotate the claw, locking or unlocking the striker.