Impeller used for aerator
An aerator and impeller technology, applied in application, fish farming, animal husbandry, etc., can solve the problems of inconvenient installation of blades and runners, low lifting force, low impeller speed, etc., so as to avoid water and easy wear and tear Even fracture, enhance reliability and firmness, and increase the effect of contact area
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Example Embodiment
[0041] Example 1
[0042] As shown in the figure, this embodiment discloses an impeller 2 used in an aerator, which includes a blade frame 21 and a blade 22, the blade frame 21 and the blade 22 are detachably connected, the blade frame 21 is a regular polygonal structure, any one The side 211 of the polygonal structure is provided with a protruding strip 212 smaller than the side length, the blade is provided with a slot 221 matching the protruding strip, and a plurality of water passing holes 222 are provided on the blade. The several water holes are arranged in multiple rows and parallel to each other.
[0043] The polygonal structure of the blade frame is a regular polygon, such as a hexagon or an octagon. The use of regular polygons facilitates the balance of forces during installation and use.
[0044] A sleeve 213 is provided in the center of the polygonal structure of the blade carrier, and the sleeve 213 is connected to the inner side 2111 of any side 211 of the polygonal s...
Example Embodiment
[0046] Example 2
[0047] The difference from the first embodiment is that the detachable connection of the blade holder 21 and the blade 22 in this embodiment is not limited to the mating connection of the protruding strip and the slot, but also includes a further connection, the connection of the plug 216 and the socket 223. Specifically, on any side 211 of the polygonal structure is provided with a convex portion 215 protruding to the outside, the convex portion 215 is provided with an insert block 216 parallel to the convex strip 212, and the blade 22 is provided with a corresponding insert block 216 For the jack 223, the installation connection of the blade and the blade frame is realized by the plug and the jack. One end of the convex strip 212 is in contact with the protrusion 215.
[0048] The side of the insert block facing the convex strip is provided with a "convex" shaped side surface, that is, the inner side surface 2162 of the insert block shown in the figure, and th...
Example Embodiment
[0049] Example 3
[0050] The difference from Embodiment 2 is that the structure of the protrusion 215 in this embodiment is composed of a first flat plate 2151 and a second flat plate 2152, which are perpendicular to each other. The first flat plate 2151 is perpendicular to the convex strip 212, and the convex strip 212 is perpendicular to the first flat plate 2151. The two flat plates 2152 are respectively located on two sides of the first flat plate, and the inserting block 216 is disposed on the surface of the first flat plate where the protruding strip 212 is provided, and the inserting block 216 is perpendicular to the first flat plate 2151 and parallel to the protruding strip 212.
[0051] In this embodiment, the first flat plate is a rectangular plate, and the second flat plate is a triangular plate. A side of the insert block 216 away from the first flat plate 2151 adopts an arc-shaped curved surface.
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