Rotary self-locking slider
A self-locking and slider technology, applied in the field of zippers, can solve the problems of unstable safety protection, fragility, and complex structure
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Embodiment 1
[0027] Embodiment one, such as Figure 1-3 The shown fixing part is a bolt 5 , which passes through the through hole on the cap 2 and is directly screwed on the threaded post 12 . The outstretched bolt head buckles the step surface on the through hole of the cap 2 so that the rotating cap cannot be unscrewed, so as to lock the cap 2 on the slider body 1 .
Embodiment 2
[0028] Embodiment two, such as Figure 7 As shown, the fixing member can also be a rivet 5 , which passes through the through hole on the cap 2 and is directly embedded in the threaded post 12 . The outstretched rivet head buckles the step surface on the through hole of the cap 2 so that the rotating cap cannot be unscrewed, so as to lock the cap 2 on the slider body 1 .
[0029] 2. The method of direct fixing with threaded column:
Embodiment 3
[0030] Embodiment three, such as Figure 4-6 As shown, the present invention can also directly form a rivet head 121 that restricts the cap 2 from coming out on the top of the threaded column 12 that is screwed onto the cap 2 . The outstretched rivet head buckles the stepped surface on the through hole of the cap 2 so that the rotating cap cannot be unscrewed to lock the cap 2 on the slider body 1 .
[0031] Because the spring 4 is squeezed by the upright horse hook 3, there is always an upward force, combined with the working principle of the thread, the upward or downward rotation of the rotating cap 2 can make the upright horse hook 3 move up and down, realizing unlocking and self-locking.
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