Subway clean-type protective closed door for air inlet and outlet and remote control method thereof
A technology of airtight doors, air intake and exhaust, applied in the direction of program control, electrical program control, general control system, etc., can solve the problems of general use effect and complex structure, and achieve the effect of excellent operation performance, compact structure and safety guarantee
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[0067] Embodiment 1: as figure 1 , figure 2 , image 3 , Figure 4 and Figure 5 As shown, a subway cleaning air intake and exhaust protection airtight door includes an airtight door 1, and the airtight door 1 is provided with a number of small door leaves 2, and the small door leaves 2 are rotatably connected by a vertical shaft assembly. The small door leaf 2 is provided with a locking linkage assembly, and the vertical shaft assembly drives the locking linkage assembly to expand and contract;
[0068] The locking linkage assembly includes a pull rod 3, double lugs 4, two upper transverse links 5 and two lower transverse links 6, the pull rod 3 drives the double lugs 4 to move, and the upper transverse links 5 An upper arm 7 is provided, and a lower arm 8 is arranged between the lower transverse connecting rods 6. One ends are respectively connected by inclined connecting rods 9, and the outer ends of the upper transverse connecting rod 5 and the lower transverse conne...
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