Crescent lock
A technology of a crescent lock and a lock cylinder is applied in the field of crescent locks, which can solve the problems of easy picking up of cam locks and poor safety, and achieve the effects of increasing safety and security, simple structure and low cost.
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Embodiment 1
[0017] Embodiment 1: As shown in the figure, a crescent lock includes a base 7, a spring coupling 3 and a cam lock disc 1, and the cam lock disc 1 is provided with a lock catch fixedly arranged on the window frame (in the figure Not shown) the chute 15 for sliding fit, the base 7 is integrally provided with a shaft seat 71 and a chute seat 72, the chute seat 72 is coaxially arranged outside the shaft seat 71, and the cam lock disc 1 is provided with a positioning groove 11 , the upper end surface and the lower end surface of the spring coupling 3 are respectively integrally provided with a first positioning protrusion 31 and a second positioning protrusion 32, the first positioning protrusion 31 is clamped in the positioning groove 11, and the second positioning protrusion The block 32 is slidably matched with the chute seat 72, the cam lock disc 1 is connected to the shaft seat 71, and the coaxial sleeve between the cam lock disc 1 and the shaft seat 71 is provided with a bush...
Embodiment 2
[0018] Embodiment 2: As shown in the figure, other structures are the same as Embodiment 1, the difference is that a lock cylinder hole 13 and a lock cylinder fixing frame 4 are added on the cam lock plate 1, and the lock cylinder 2 penetrates into the lock cylinder hole 13 and Fixed by the lock core holder 4, the front end of the lock core 2 is integrally provided with an eccentric lock pin 21, and one end of the dead bolt 5 is provided with a lock pin hole 51, the width of the lock pin hole 51 is greater than the height of the lock pin hole 51, and the lock pin 21 extends into the lock pin hole 51, the base 7 is provided with a lock tongue hole 74, and the other end of the lock tongue 5 is slidingly fitted with the lock tongue hole 74.
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