A fast and labor-saving opening and closing handle mechanism for pressure-resistant hatch covers
A technology for pressure-resistant hatches and hatch covers, which is applied in the field of hatch cover opening and closing, can solve the problems of slow opening of pressure-resistant hatch covers, high labor intensity, low operation efficiency, etc. The effect of low manufacturing cost and convenient operation
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[0034] The specific implementation manner of the present invention will be described below in conjunction with the accompanying drawings.
[0035] Such as Figure 1~3 As shown, the present invention includes a pressure-resistant hatch cover 1, a connecting shaft 2 is installed vertically in the middle of the pressure-resistant hatch cover 1, and a handwheel 3 is installed on the top of the connecting shaft 2, and the handwheel 3 includes a handwheel body 301 and a handwheel ring 302 , the handwheel body 301 is a columnar structure coordinating with the top of the connecting shaft 2, several telescopic assemblies 4 extending outward and passing through the handwheel ring 302 are evenly distributed along the circumference of the handwheel body 301, each telescopic assembly 4 is installed with a control telescopic assembly 4 Extended or shortened snap assembly 5.
[0036] Such as Figure 4~6 As shown, the structure of a single telescopic assembly 4 is: a tail rod 401 comprising...
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