A retractable ventilation roof
A ventilated roof, telescopic technology, applied in the direction of roof, transportation and packaging, vehicle parts, etc., can solve the problems of sultry heat, endanger the health of passengers, and the use of ventilated roofs is not popularized, and achieve the effect of preventing sultry heat
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[0013] The present invention will be further described below in conjunction with accompanying drawing, protection scope of the present invention is not limited to the following:
[0014] Such as Figure 1-3 Shown, a kind of retractable ventilated top cover, it comprises caravan top cover 1, and the top of described top cover 1 is provided with air inlet 2, and it also comprises cylinder 3, filter screen 4 and fixed block 5, described The fixed block 5 and the cylinder 3 are arranged on both sides of the air inlet 2, the side of the fixed block 5 is provided with a groove 6 parallel to the top cover 1, the width of the groove 6 is larger than the filter screen 4, and the groove 6 is opposite to the cylinder 3 Set, the bottom of the groove 6 is provided with a spring 7. Such as figure 2 or image 3 As shown, the filter screen 4 is arranged parallel to the top cover 1, and one end of the filter screen 4 is arranged on the spring 7, and the other end of the filter screen 4 is ...
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