Hidden sealed door for railway vehicle
A rail vehicle and hidden secret technology, which is applied in the field of rail vehicles to achieve good sound insulation and heat insulation performance, simple structure, and improved sealing effect
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[0014] The present invention will be further described below in conjunction with the accompanying drawings.
[0015] as attached figure 1 Shown is a schematic diagram of the principle of a built-in airtight door of a rail vehicle, including a driving mechanism 9, a carrying mechanism, a door leaf 7, a sealing frame 5 and a threshold 20, the driving mechanism 9 includes a screw nut mechanism, and the carrying mechanism 2 It includes a load trolley 1, two upper guide rails 3 and a lower guide wheel 19 that guide the translation of the door leaf 7 and the pull movement, and the nut 13 of the screw nut mechanism is connected with the load trolley 1 through a hinge mechanism 16; The top of the door leaf 7 is connected with the load-carrying trolley 1 through the door frame 8, two upper guide wheels 4 respectively matched with the two upper guide rails 3 are arranged on the upper part of the door leaf 7, and one guide wheel 4 is arranged on the lower part of the door leaf 7 to conne...
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