Automatic shutter device comprising: - a fluid reservoir configured to store some fluid, - a fluid distribution system connected to the fluid reservoir , the fluid distribution system displaying a fluid distribution opening , - a pump comprising a pump cavity , the pump being activable according to a rotative mode of operation, said rotative mode of operation comprising at least a suction phase during which the pump cavity is configured to be filled with the fluid of the reservoir and a discharge phase during which the pump cavity is configured to be emptied, - a motor configured to activate the pump in order to set the fluid into motion towards the fluid distribution opening , the motor comprising at least one rotative element connected to the pump , - a shutter configured to close the fluid distribution opening , wherein - the shutter displays at least two positions: o a shutting position in which the fluid distribution opening is shut by the shutter , o an open position in which the fluid distribution opening is free, characterized in that - the automatic shutter device further comprises a movement conversion element connected to the rotative element of the motor and configured to cooperate with the shutter , and - the shutter is configured to be moved from its shutting position to its distribution position and from its distribution position to its shutting position by means of the movement conversion element , the movements of the shutter thus being configured to be synchronized with the rotation of the rotative element of the motor . - a fluid reservoir configured to store some fluid, - a fluid distribution system connected to the fluid reservoir , the fluid distribution system displaying a fluid distribution opening , - a pump comprising a pump cavity , the pump being activable according to a rotative mode of operation, said rotative mode of operation comprising at least a suction phase during which the pump cavity is configured to be filled with the fluid of the reservoir and a discharge phase during which the pump cavity is configured to be emptied, - a motor configured to activate the pump in order to set the fluid into motion towards the fluid distribution opening , the motor comprising at least one rotative element connected to the pump , - a shutter configured to close the fluid distribution opening , wherein - the shutter displays at least two positions: o a shutting position in which the fluid distribution opening is shut by the shutter , o an open position in which the fluid distribution opening is free, o a shutting position in which the fluid distribution opening is shut by the shutter , o an open position in which the fluid distribution opening is free, - the automatic shutter device further comprises a movement conversion element connected to the rotative element of the motor and configured to cooperate with the shutter , and - the shutter is configured to be moved from its shutting position to its distribution position and from its distribution position to its shutting position by means of the movement conversion element , the movements of the shutter thus being configured to be synchronized with the rotation of the rotative element of the motor . <EOS>