微型排水泵的高强度启动装置

High-intensity start equipment for miniature draining pump

Abstract

本实用新型的微型排水泵的高强度启动装置,主要由设有启动筋的金属联轴器和设有启动凸台的塑料叶轮组成,所述金属联轴器上的启动筋为扇形启动筋,塑料叶轮内腔中的启动凸台为扇形启动凸台,扇形启动凸台底面凹腔的扇形角度远大于装在其中的启动筋的扇形角度,其中,所述扇形启动筋的两侧面和扇形启动凸台的两侧面均为平面,且在扇形启动筋的两侧面设有一层平面橡胶垫或/和在扇形启动凸台的两侧边用胶粘贴有一层平面橡胶垫。具有结构简单合理、机械强度高、易于生产装配和使用寿命长等优点,适合在洗衣机、洗碗机等家用电器上的离心式微型排水泵中使用。
The utility model relates to high-intensity start equipment for a miniature draining pump. The equipment mainly comprises a metallic shaft coupling provided with a start bar and a plastic impeller provided with a start lug boss. The starting bar on the metallic shaft coupling adopts a sectorial start bar; the start lug boss in the inner chamber of the plastic impeller adopts a sectorial start lug boss; the angle of the sector of a cavity of the bottom surface of the start lug boss is much greater than that of the start bar installed in the cavity, wherein, both the two side surfaces of the sectorial start bar and the two side surfaces of the sectorial start lug boss are planes; and the two side surfaces of the sectorial start bar are respectively provided with a layer of flat rubber pad, and/or, the layer of flat rubber pad is respectively stuck to the two sides of the sectorial start lug boss with glue. The utility model has the advantages of simple and reasonable structure, high mechanical strength, easy production and assembly and long service life; therefore, the equipment is suitable to be used on centrifugal miniature draining pumps of household appliances such as washing machines, dish washing machines and the like.

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