For many users who have used wire seals, it is known that the wire seals are disposable. As long as the wires are inserted into the lock cylinder, they cannot be withdrawn for anti-counterfeiting and anti-theft purposes. The internal principle of the tightened wire seal is actually very simple. The inside of the lock body is fixed to the lock body by one end of the lock band, and the other end of the lock band is connected with a lock head, and the lock body has a counterbore for the lock head to penetrate. The lock body has two inclined holes communicating with the counterbore, and each of the inclined holes is provided with a spring, and a steel ball is respectively arranged at the communication between the inclined holes and the counterbore, and the steel ball is supported by the corresponding spring, and the lock is locked There are two grooves on the head corresponding to the two steel balls respectively, and the front portions of the two steps forming the first groove near the front end of the lock have chamfers.
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