The ornamental design for a childcareappliance, as shown and described.
FIG. 1 is a front elevation view of a childcare appliance, in an extended condition;
FIG. 2 is a front perspective view thereof, not extended;
FIG. 3 is a front elevation view thereof;
FIG. 4 is a front elevation view thereof, in a package;
FIG. 5 is a rear elevation view thereof;
FIG. 6 is a left-side elevation view thereof;
FIG. 7 is a right-side elevation view thereof;
FIG. 8 is a top view thereof; and,
FIG. 9 is a bottom view thereof.
The broken lines showing of a cup, surface mount, surface mounting in FIG. 1 and package shown in FIG. 4 are for environmental purposes only and form no part of the claimed design. The broken line surface of the childcare appliance shown in FIG. 1-9 form no part of the claimed design.