Manual maintenance switch with secondary unlocking structure and unlocking method thereof
A manual maintenance switch and two-level locking technology, which is applied to the parts of the connecting device, the device for preventing contact with live contacts, and electrical components, etc., can solve the problems of safety hazards, electric connector arcs, etc., and achieve safe use, Avoid the effect of live plugging
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[0034] The invention discloses an electrical connector with a secondary unlocking structure, such as figure 1 , figure 2 As shown, it includes a connector plug 2 and a connector socket 3 mated with each other, and a primary locking mechanism for strengthening the fixing of the two. The primary locking mechanism is a handle 1 straddling the two sides of the connector plug 2, and the handle pivots around the connector plug 2 to control the connection between the connector plug 2 and the connector socket. 3 moves axially, and the connector plug 2 and the connector socket 3 are completely closed or separated in the axial direction through the opening and closing of the secondary locking mechanism.
[0035] The connector plug 2 and the connector socket 3 have three position states:
[0036] In the first locked state, the handle 1 locks the connector plug 2 and the connector socket 3, and both are completely closed, so that the power terminals and signal terminals between the two a...
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