Anti-loosening structure and contact assembly and circuit breaker using the structure
An anti-loose, contact technology, applied in the direction of high-voltage air circuit breakers, contacts, circuits, etc., can solve the problems of easy loosening of circuit breakers, and achieve good anti-loose effect and prevent loosening.
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[0027] Embodiments of the present invention will be further described below in conjunction with the accompanying drawings.
[0028] Specific embodiments of the circuit breaker of the present invention, such as Figure 1 to Figure 3 As shown, it includes a contact assembly, and the contact assembly includes a support 1 and a first cylinder 2 fixed on the support 1, a second cylinder 3, a main contact 4, an arc contact 5 and a nozzle 6. The support 1 and the second cylinder 3, the first cylinder 2 and the main contact 4, and the support 1 and the arc contact 5 are all conductively connected to form an anti-loosening structure.
[0029] The support 1 is a hollow cylindrical structure whose axis extends in the front-to-back direction, and has an inner cylinder section 11 and an outer cylinder section 12 arranged coaxially. The front end of the inner cylinder section 11 protrudes forward from the outer cylinder section 12 and a The third external thread segment 14 is provided with...
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