Double-locking car emergency door lock capable of being opened from inside and outside
A technology for locomotive and passenger cars and locking machines, which is applied in the field of passenger cars, can solve the problems of accidental opening of emergency door locks, insufficient safety, and difficulty in realizing simultaneous unlocking of multiple locking machines, and achieves the effect of convenient use and high safety.
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[0018] The present invention is described in detail below in conjunction with accompanying drawing and specific embodiment:
[0019] Embodiments of the present invention are as Figure 1 to Figure 3 As shown, the upper lock machine 2 and the lower lock machine 3 are included, and the upper lock machine 2 and the lower lock machine 3 are clamp-type lock machines, including a fan-shaped swing arm 8, and the swing arm 8 is provided with an arc groove 8-1. The outer unlocking rod 4-1 of the outward opening handle 4 is slidably connected in the arc groove 8-1. The swing arm 8 is provided with a joint 8-2, and the main lock bar 5 is connected to the swing arm 8 of the upper locking machine 2 and the lower locking machine 3 through the joint 8-2 on the swing arm 8. The joint 8-2 is rotatable with respect to the swing arm 8, and the main lock lever 5 moves up and down to pull the swing arm 8, and then drive the internal driving part to rotate, impel the clamping plate 10 to open, and...
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Abstract
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