TWD173889S - impeller for pump - Google Patents

Abstract

[Use of item]; This designed item is an impeller for pumps used for pumping water, delivering water, etc. ;[Design Description];The design feature of this design is that it has a first base wall, six blades and a second base wall from left to right, as shown in the perspective view and the A-A line sectional view. As shown in the perspective view and the front view, a large circular hole is provided in the center of the first base wall, and one end of the six blades is exposed from the large circular hole. A smaller through hole (axis hole) is provided in the center of the second base wall (the center of the rear side). ). ;As shown in the A-A cross-sectional view, the outer edge of the second base wall is not round. A part of the outer edge extends closely along a part of the blade. The six blades are all arc-shaped, and the flow channel between the blades gradually becomes wider from the inside to the outside. . As shown in the cross-sectional view along line B-B, the wall of the large circular hole in the first base wall has a raised shape. This forms a design with a unique visual effect on the overall appearance.