The ornamental design for a lawnsprinklerdeflector, as shown and described.
FIG. 1 is a front perspective view of the lawn sprinkler deflector, showing my new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a right side elevational view thereof;
FIG. 5 is a left side elevational view thereof;
FIG. 6 is a top plan view thereof;
FIG. 7 is a bottom plan view thereof; and,
FIG. 8 is a further front perspective view thereof, showing the lawn sprinkler deflector in clamping engagement with a sprinkler riser.
The broken lines in FIGS. 1-8 are for the purpose of illustrating portions of the lawn sprinkler deflector and environmental structure that form no part of the claimed design.