A side-opening ventilation device with a weathertight mechanism
A ventilation device and side-opening technology, which is applied in the directions of hull ventilation/heating/cooling, transportation and packaging, ship parts, etc., can solve problems such as aggravating user costs, achieve beautiful appearance, novel design, and reduce use costs.
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[0021] The present invention is described in further detail now in conjunction with accompanying drawing. These drawings are all simplified schematic diagrams, which only illustrate the basic structure of the present invention in a schematic manner, so they only show the configurations related to the present invention.
[0022] See figure 1 , figure 2 and image 3 , a side-opening ventilation device with a weathertight mechanism according to the present invention, which has a ventilator 13 with an open top and an olive-shaped hood 3 covering the top of the ventilator 13. A screw 11 is installed in the middle of the ventilator 13, and the screw 11 A hand wheel 12 is installed at one end of the screw 11, two connecting rods 9 and two cover plates 8 are installed in the middle of the screw 11, and the other end of each connecting rod 9 is hinged at the middle position of the corresponding cover plate 8; the hand wheel 12 The driving screw 11 rotates and drives each connecting...
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