The key is a common tool for unlocking locks in People’s Daily life. The key is made of copper, zinc, aluminum, iron and other metals. Keys were invented much later than locks, appearing in ancient Egypt 4,000 years ago. There are many kinds of keys, including ordinary keys, intelligent keys, remote keys, electronic keys and so on. Some Locksmith Tools are essential for you to keep them at home. But when you lose your key, how do you unlock the lock? Here is the useful method for you in the following.
How to open with a pump the principle of unlocking with a pump is also the principle of opening the lock by pressing the pin over the lock center. The tool to open the lock with a pump is an inflatable cylinder, and the pin is squeezed by air pressure so as to achieve the purpose of pressing the pin into the hole of the pin. This method can open any lock that a comb skeleton key can. With this method to unlock the operation method is: with a basketball, football inflatable with gas needle, generally this gas needle has about two inches long. There are two air holes on either side near the needle. Put a one-inch five-inch (4-5 cm) bicycle valve glue (called scallion glue, chicken sausage belt) on the needle sleeve. Because the valve glue is hollow in the middle, one end of the valve glue is covered with the valve needle, and both ends of the valve glue are tied with clothing cart line or thin wire, or glued tightly, so that it cannot leak when inflating. The fabricated valve needle is then fastened to a pump (some are miniature, only six inches long). Some in the absence of pump, the valve needle cover on the ear ball. The valve needle with the valve glue is inserted into the keyhole (the valve needle of the valve glue on this suit can be inserted into the keyhole, basically there is still spare space, including the keyhole of the cruciform lock, the bigger the keyhole, the easier to insert).
After insertion, hit the air, with the effect of air pressure, valve glue will expand to have free places and holes. Valve heart glue keeps expanding. Because there is gradually no free space to expand in the lock, and there is a valve needle nozzle against the expansion outward, valve heart glue only all the pins are squeezed into the pin hole of the lock body, forming the separation state of the lock heart and the lock body. At this time, with a small push rod, a small driver and other things inserted into the keyhole a little position, can be stuck in a little space, and then reverse the lock (but at this time the hand of the air cylinder is not loose, so as not to pressure back into the air cylinder, so that the valve glue contraction, the pin will bounce back. In addition, do not need too blade, too sharp things to insert into the keyhole, so as not to cut the valve glue, causing air leakage), you can open the lock. Somebody also once opened a variety of locks such as secret lock, big padlock, cross door secret lock with this method, the whole process that opens a lock does not exceed 1 minute time at most.
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