Dishwasher

A dishwasher comprising:

• a washing tub including a rack configured to accommodate a washing object;
• a spray tube including (i) a rotation shaft extending in a direction intersecting upper and lower shafts, and (ii) a spray nozzle configured to eject flowing washing water in a direction intersecting the rotation shaft;
• a power applying device configured to generate power;
• and
• a driving module coupled to the spray tube and configured to transmit the power generated by the power applying device to the spray tube,
• wherein the driving module comprises:
• a rotation body rotatably coupled to the power applying device,
• a pendulum body extending from the spray tube in a direction intersecting the rotation shaft and configured to oscillate in a pendulum motion around the rotation shaft, and
• a conversion link coupled to the rotation body and the pendulum body and configured to convert a rotational motion of the rotation body into a pendulum motion of the pendulum body.