Importance

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Abstract

The present invention discloses a sucking disc, including a sucking disc body; there is a chamber with a circular cross section inside the sucking disc body, and the chamber has a closed end surface and an opening end surface, the opening end surface is formed to be an end surface for absorbing an object, and tangential nozzles are disposed on the wall surface of the chamber. The sucking disc further includes an annular separator plate and some pads; pads are disposed apart from each other on the periphery of the bottom surface of the sucking disc body and the upper surface of the annular separator plate is fixedly attached with the periphery of the bottom surface of the sucking disc body via the pads; a partial area of the annular separator plate is covered by the pads, a fixed channel from the annular separator plate to the periphery of the bottom surface of the sucking disc body is formed by the separations between the pads; and the interior of the chamber is communicated with the ambient via the fixed channel. According to the present invention, an object with soft, rough and uneven surface can be sucked with small required air consumption, the influence of the softness or roughness of the object on the suction force is small.

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First Claim