Mechanism with flexible sub switch buffering anti-rebound device on low-voltage circuit breaker
A low-voltage circuit breaker, anti-bounce technology, applied in contact operating mechanism, circuit, contact vibration/shock damping, etc., can solve problems such as energy consumption, achieve reasonable left and right positions, adjust opening distance, and accurate opening distance Effect
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[0025] A mechanism with a flexible opening buffer anti-rebound device on a low-voltage circuit breaker, such as Figure 1-Figure 3 As shown, the low-voltage circuit breaker includes two left and right fixed plates 1, a main shaft 2 arranged between the two fixed plates 1 to form a transmission mechanism, and a contact mechanism arranged between the two fixed plates 1, with flexible opening The mechanism of the buffer anti-rebound device includes a bracket 9, an oil cup 10, a cup cap 5, a piston 6, a crank arm 3 and a roller 4. The bracket 9 is fixed on the fixed plate 1, and the oil cup 10 is fixed on the bracket 9. There is oil, the piston 6 is set in the oil cup 10, the upper end of the piston 6 is connected to the cup cap 5, the crank arm 3 is connected to the main shaft 2, the roller 4 is connected between the two crank arms 3, and the roller 4 is located in the cup cap 5 When the circuit breaker is closed, the roller 4 is not in contact with the cup cap 5. When the circui...
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