Diagram of the internal structure of the supermarket security door

Ordinary anti-theft door locks include lock cylinders, pins, springs, deadbolts, and keys. >>>More

First, use a flathead screwdriver to resist the broken end and screw, open the door, remove the lock cylinder inside the door, and use a hard steel wire to eject it from the back. >>>More

1.Cylinder: A cylindrical cylinder made of copper, which can be locked or opened when turned. The lock cylinder is divided into an inner lock cylinder and an outer lock cylinder, and the inner lock cylinder is where you insert the key. >>>More

1.Familiarize yourself with CAD drawing commands: raids.

As with painting other objects, first familiarize yourself with the three-dimensional coordinate system, how to input the length, width and height, and then how to set the viewing angle, otherwise it is impossible to check whether the board, wood, etc. are placed correctly from all angles. If you use it yourself, then look at the command of how to use the command of stretching the closed wireframe into three-dimensional and directly entering coordinates to establish a three-dimensional object, and after you are basically familiar with the command, it depends on your familiarity with the furniture, gradually draw the basic parts according to the need, and then move them into place through the three-dimensional coordinates. >>>More

There's a red and blue dot underneath the handle! Remove this thing first, there is a small hexagon screw inside, find a special tool to screw it together, remove the handle, remove the decorative cover, press the nut, and finally the valve core will become a part.