FIELD: construction.
SUBSTANCE: mechanism (1) of mutual blocking of the first and second low-voltage switching devices (200, 200'), each of which comprises the following components is proposed: movable contact portion, fixed contact portion and execution unit for driving the movable contact portion in the direction and performing the connection / disconnection with the stationary contact portion. Mechanism of mutual blocking comprises: the first slider (10), located on the first case (2) and connected to the actuator unit of the first switching device, the second slider (10'), disposed on the second case (2') and connected to the actuator unit of the second switching device, at that the sliding plane (P) has X- and Y-axis, Y-axis is defined in the direction of movement of the actuator unit of the switching devices, besides each of the sliders slides in the direction of Y-axis of sliding plane (P), axis (30) disposed between the first and second cases, and cam (40) with possibility of rotation around the axis (30), when both switching devices are in the open positions. Cam also includes the first and second blocking element (42, 42') for blocking the first and second sliders, respectively, which extend laterally in X-axis direction. Each of the sliders has opening (12, 12') on one end of slider for retaining the blocking element, when the respective switching device is in the closed position.
EFFECT: reliable and compact blocking.
11 cl, 15 dwg
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Authors
Dates
2015-09-10—Published
2011-11-17—Filed