Before introducing the introduction of the bicycle u-lock, let's introduce the concept of the bicycle u-lock. The bicycle U-lock includes a U-shaped lock lever and a lock body. The lock body is mainly equipped with one end part in the body. The lock cylinder with the rotary block is respectively arranged with a lock member for the movable lock U-shaped lock rod on both sides of the lock core rotating block, and an outer casing body is fixed on the outer side of the main body, and one body is respectively arranged below the two lock members in the body The accommodating groove for accommodating the spring, the locking member directly abuts against the side end of the spring with the abutting rod of the bottom surface thereof, so that the locking member locks the U-shaped locking rod, and pushes the large acting plane of the rotating block against the locking member side End, and achieve better locking effect and avoid the effect of swaying after locking.

How to open the bicycle u-lock

The first category is the hoe and the hammer;

The second category is pressure shears and hydraulic shears;

The third category is the violent unlocking tool, which is an unlocking tool specially made for various locks, commonly known as the master key. Unlocking tools, thieves mostly use three ways to unlock. The first is to use a hammer or a hammer to open the lock, which is mostly for U-shaped locks; the second is to cut the lock with pliers, this method is generally for steel rope locks and chain locks; Yes, select the same violent unlocking tool as the keyhole, insert the keyhole, and then put on the socket wrench to open the lock. The price of locks does not have a competitive advantage at all, so many old locksmiths in this city have stopped production or closed down, such as Tianjin Bicycle Lock Factory. At present, there are few high-tech lock companies with independent intellectual property rights and patents in the country. There are many small and complete production enterprises, and the profits of bicycle locks are relatively low. All manufacturers have set up wholesale special points in Tianjin. The market competition is fierce, leading to bicycles. The quality of the lock is extremely unstable, and the inferior products are flooding the market. The field test is 20 yuan U-shaped lock open for no more than 5 seconds.