Upturning effort-saving mechanism for upturning device
A door-turning and force-acting technology, which is applied to building structures, switches with braking devices, door/window accessories, etc., can solve problems such as uneven force, high noise, and large friction, and achieve closure. Mute, reduce impact sound, flip up to open, and flip down to close smoothly
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[0018] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0019] see Figure 1-Figure 5 , the upturning labor-saving mechanism of the upturning device includes a fixed element 1, a connecting arm assembly and a fixed seat 2, the fixed seat 2 can be flipped open and closed on the fixed element 1 through the connecting arm assembly, and the fixed element 1 is provided with a first spring 3 and the second spring 4, the connecting arm assembly at least includes a first connecting arm 11, a second connecting arm 12 and a third connecting arm 13, one end of the first connecting arm 11 is connected with the second spring 4, and the middle part is hinged with the fixing element 1 , the other end is hinged with one end of the second connecting arm 12, the other end of the second connecting arm 12 is hinged with the middle part of the third connecting arm 13, and an angle A is formed between them, and the two ends of th...
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