无需用手即可升降马桶座圈的装置。
专利摘要
一种马桶座圈升降装置，用于将座圈枢转到其升起位置并将其枢转回水平位置而无需触摸座圈。第一杠杆臂的一端刚性连接至扭矩传递机构的第一部分，另一端连接至脚踏板，第二杠杆臂的一端刚性连接至扭矩传递机构的第二部分，另一端连接至马桶座圈。当马桶座圈处于水平位置时，在踏板上施加向下的力使扭矩传递机构的第一部分旋转，这产生扭矩传递机构的第二部分的相反旋转，导致马桶座圈枢转到其升起位置。提起踏板，优选通过在踏板下方提供向上的力，将座圈降低到水平位置。在优选实施例中，提供可定位在第一杠杆臂上的配重，以提供恒定的扭矩以部分地抵抗由马桶座圈重量围绕其枢转轴线产生的扭矩。在优选实施例中，扭矩传递机构的第一和第二部分都是凸轮。
Original abstractA toilet seat lifting and lowering device for pivoting the seat to its raised position and for pivoting it back to its horizontal position without having to touch the seat. A first lever arm is rigidly attached at one end to a first part of a torque transfer mechanism and at its other end to a foot pedal and a second lever arm is rigidly attached at one end to a second part of the torque transfer mechanism and at its other end to the toilet seat. With the toilet seat in its horizontal position, a downward force on the pedal produces a rotation of the first part of the torque transfer mechanism which produces an opposite rotation of the second part of the torque transfer mechanism causing the toilet seat to pivot to its raised position. Lifting the pedal, preferably by providing an upward force under the pedal, lowers the seat to the horizontal position. In a preferred embodiment, a counterweight positionable on the first lever arm is provided to provide a constant torque to partially oppose the torque produced by the weight of the toilet seat about its pivot axis. In a preferred embodiment, the first and second parts of the torque transfer mechanism are both cams.
专利附图（8）
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