A sub-format automatic electrical control cabinet with flame retardant and fire-extinguishing function
A technology of electrical control cabinets and formats, applied to housings with display/control units, electrical equipment housings/cabinets/drawers, electrical components, etc., can solve problems such as rapid combustion, loss, and aging of electrical components in control cabinets, and achieve Good flame retardant effect, low production cost and low use cost
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[0043] As an embodiment, the sealing connection mechanism 55 includes a movable pressure ring 551 and a fixed sealing sleeve 553, and the pressure ring 551 is a U-shaped structure, and an elastic connector 552 is connected with the sealing sleeve 553, and the nozzle pipe 513 is in the shape of One end is large and the other end is small. The end with a large diameter is inserted into the sealing sleeve 553, and the U-shaped groove of the pressure ring 551 is smaller than the maximum diameter of the nozzle 513. A conduit 554 is connected between the sealing sleeve 553 and the fire extinguishing pipe 4. Based on this, the connection principle of the sealing connection mechanism 55 is as follows: the pressure ring 551 is pulled apart, and the elastic connecting member 552 is stretched, so that the distance between the pressure ring 551 and the sealing sleeve 553 increases, and the nozzle 513 is snapped into the pressure ring 551. In the U-shaped groove, align the end of the nozzle...
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