Push-pull type steel-structured airtight protective door
A steel structure and airtight door technology, applied in the direction of manual mechanism, sealing device, door/window accessories, etc., can solve the problems of troublesome opening and closing, poor sealing effect, etc., achieve easy maintenance, improve service life and safety performance, and operate convenient effect
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[0029] Such as figure 1 , figure 2 , image 3 , Figure 4 As shown, this steel structure push-pull protective airtight door is a steel structure single leaf door, which includes a steel structure door leaf 1 and a rolling wheel 9 installed at the bottom of the door leaf 1, the surrounding door frame 2 and the sealant in the rubber strip groove around the door frame Bar, worm gear and worm locking linkage mechanism 3, outer guide roller mechanism 7, trench cover plate lifter 8, and steel guide rail 10 on which the rolling wheel moves in the trench. The function of the outer roller mechanism 7 is to make the center of gravity of the door leaf translate outward when the door leaf moves (rolling bearings are provided to reduce frictional resistance).
[0030] When the present invention is in use, operate the hand wheel of the worm gear and worm locking linkage mechanism 3, move the transverse connecting rod left and right through the worm gear reducer, drive the rotating arm t...
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