Novel door-free weather-tight blind window
A blinds, wind and rain technology, applied in the field of marine windows, can solve the problems of failing to meet the failure closing performance, and achieve the effect of reducing air source and pipeline consumption, reducing procurement costs, and shortening the stroke of the plate.
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[0035] Such as figure 1 and image 3 As shown, a doorless weathertight louver of the present invention includes a frame 1, several louvers 11 pivotally connected to the frame 1 in parallel, a pneumatic actuator 2 installed on the frame 1, and is driven vertically by the pneumatic actuator 2 at the same time. The two pull plates 3 are used to drive the louvers 11 to open and close. A cam 111 is provided on both sides of the free edge of the louvers 11. The pull plates 3 are provided with several folding chute 32 extending horizontally. The cam 111 is in one-to-one correspondence with the folding chute 32 , the front section of the folding chute 32 is upturned and the rear section is horizontal, and the cam 111 can slide in the folding chute 32 . Under the action of the pneumatic actuator 2, the two pull plates 3 will be lifted and lowered synchronously. When the shutter is closed, the cam 111 is located at the front section of the folding chute 32; when the pull plate 3 rises...
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