A car lock is a piece of piece of bullet lock. Its structure and unlocking principle are different from the ordinary latch. The bullet lock corresponds to two pieces of bullet for each tooth key slot, but each key slot of the lock is only corresponding to a small piece of bullet. The shape of the shrapnel is as follows. The lock core is made of all steel, which is larger than the lock core of ordinary lock and is also cylindrical. The length of the shrapnel is just as large as the diameter of the lock. The lock body is circular cylinder and the thickness of the ring is only a few millimeters. Two pairs of (four) long grooves are arranged on the concave back of the lock body inner ring, and are arranged symmetrically with the center of the circle. The length of the long groove corresponds to the shrapnel, slightly wider than the shrapnel. This slightly wider width allows the shrapnel to be able to spring up and down freely into the long groove. After the lock body is fitted with a lock core, the square hole in the center of the shrapnel forms a key hole. That is, the key is inserted into the center of the shrapnel to unlock.
A car door lock is usually a tooth key. There is a small round hole near the core of the lock core, but there is a slot and shrapnel Kong Xianglian in the small circular hole. A small round hole is used to set up a small spring. The function of the small spring is to hold the shrapnel, so that the shrapnel can be contracted when the lock is opened, and when it is locked, it can automatically pop up. The length of the shrapnel holes on each shrapnel is different, and the width of the shrapnel holes is the same. This determines the difference between the depth and depth of each key. There are no long grooves on the key, it is a folded plane with the shape of the alveolus, and the two sides are symmetrical. In order to make it convenient for people, the key can be inserted into the keyhole, and the lock can be turned. The lock is usually locked in the state of the spring, with the elastic force of the spring, aiming at the long groove on the back of the inner ring of the lock, so that the lock is stuck by the bullet and can not be rotated. When the key is inserted into the keyhole of the lock, the key passes through the square of the square bullet hole in the middle of the bullet. A concave slot presses a piece of bullet, and the bullet will shrink back, just back to the outer edge of the lock. In this way, the shrapnel inside the lock core can not latch on the lock body, and the lock core can rotate and unlock. If you don't lock the key, the concave slot on the key must be different from the depth of the concave groove on the original key. In the bullet hole in the middle of the bullet, you can't compress all the flads back to the circular outer edge of the lock or that some of the pieces are compressed, and some of them are stuck in the back of the inner ring of the lock. A long groove or some shrapnel is pressed back too much, exceeding the circular outer edge of the lock core, and the other end of the shrapnel jammed the long groove on the other side of the lock body. If the lock is not completely separated from the lock body, it will not be able to turn the lock. As long as the groove on one tooth key is not correct, it can not be unlocked.
This lock is generally 5 toothed, with 5 shrapnel and 5 springs. Its key is the same probability of 500 points two, that is to say, after producing more than 250 locks, a lock will be the same. At this time it is determined by the manufacturer's factory specifications.
In addition to 5 bullet holes, the lock has a card hole and a card, so that the lock is not allowed to be locked out or contracted out of the lock when the key is wriggled. A baffle plate is also arranged at the key hole of the lock core, which blocks the key hole. If you reach the key and the key hits the baffle, the baffle will automatically shrink to one side. After taking out the key, it will bounce back again. Therefore, it can prevent water from infiltrating into the keyhole of the lock when washing or when it rains. A swivel card is connected to the back end of the lock core, which is used to control the lock box switch installed in the automobile door sandwich. A switch in the lock box is directly controlled by the handle installed inside and outside the door. Some handlebars are twisting, twisting with their hands, pulling hands and pulling by hand. The lock box, which is like a common door lock with a sloping lock, will shrink back and the door will open. Another button is to control the locking jaw. If the button is pressed, it is simply torsional or unlocked by twisting the hand to open the door, and the key is unlocked until the door is twisted. There is a square latch tongue in the lock box. It is an insurance lock tongue that locks out the key after the door is locked. The purpose of the installation is to use the long steel ruler to insert the glass lock and the rubber seam on the side of the vehicle window to insert the locking tongue with a top lock to open the door. Generally, when you switch the door, you can pull the door directly if you do not press the button. If you press the button, you must use the key to open the lock. When you open the lock, you need to enter the key and turn it 72 degrees clockwise. Then you can twist the door handle to open the door. If you need to lock the door after closing the door, you need to put the key in the keyhole and turn it 180 degrees counter clockwise to lock the insurance. If you need to open the door, you must twist the handle 252 times in a clockwise way, and turn the door handle with your hand to open the door.
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