Traditional Culture Encyclopedia - Traditional culture - Why does the traditional China latch have a shape?
Why does the traditional China latch have a shape?
As shown in the figure, the blank frame is used to fix the bolt. Everyone should understand that there is actually a mechanism in this. The blue wooden pole can only slide up and down, and the top can be hung on the bolt. When the bolt is pushed to the right, the blue wooden stick falls into the groove of the bolt due to gravity, and the bolt is locked. At this time, the bolt cannot be translated left and right. You must reach into the black box and push the blue stick up to open it.
In addition to the above, there is actually the following picture. A wooden stick is connected to the bolt through a bearing. When the movable batten moves to the right and leaves the vertical batten, it will sag due to gravity and the latch will be locked. Actually, it's useless, because the door will be torn down as soon as it is lifted.
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