We claim the ornamental design for a connector for a cleaning device, as shown and described.
FIG. 1 is a top front perspective view of a connector for a cleaning device and an exemplary environment;
FIG. 2 is a top front perspective view of the connector shown in FIG. 1;
FIG. 3 is a front view of the connector shown in FIG. 1;
FIG. 4 is a rear view of the connector shown in FIG. 1;
FIG. 5 is a right side view of the connector shown in FIG. 1;
FIG. 6 is a left side view of the connector shown in FIG. 1;
FIG. 7 is a top view of the connector shown in FIG. 1; and,
FIG. 8 is a bottom view of the connector shown in FIG. 1.
The portions of the connector and the exemplary environment shown in broken lines depict environmental subject matter only and form no part of the claimed design.