Which is good for the lock company in Hangzhou, Hangzhou × ∟0571-85157619 = 0571-56675017∟ Hangzhou mounted lock for the lock car lock is primarily anti-dust. When we remove the car locks, you can see every car door lock especially not completely closed, these holes are facing down, is to prevent the rain, so the car is very bad dry for the lock, so that is another high-end car locks can only locks shrapnel lock structure can not be used marbles, maybe someone does not understand, ask some car so upscale, but the use of shrapnel lock zinc alloy structure, the case of using a high-precision lock, there water or dust into the lock, it is prone to failure, and soon this will be difficult to open the lock, (there are a handful of marbles ignition lock structure, as it is in the car, from the impact of external conditions ), is a multi-cylinder car lock zinc alloy production, it's more than an ordinary lock cylinder lock cylinder should be large, but also cylindrical. Diameter and length of the shrapnel is just equal to the big lock heart. (Because you can not be too precise, and slightly loose tolerances reasons) as a ring lock cylinder, the thickness of the ring, only a few millimeters. Concave inner lock body back with two pairs (four) in the center of the long grooves were symmetrically arranged. The width of the groove is shrapnel long correspondence between the car is slightly wider than the shrapnel lock change a little bit. The wider width is easy to be playing under the bomb shrapnel freely into the long groove. After the cylinder lock body suit, shrapnel holes in the center of the square is the formation of the keyhole. That is the original key is inserted into the center of shrapnel were twisted to change the lock. Lock surface shell is stainless steel sheet, (we can see from the look on keyhole what type of car locks, generally narrow keyhole is double-sided locks Tooth, in the case of multi-keyhole wide milling inside and outside groove lock) can also be used after a good frame Y stall lighted another child, a flashlight, to illuminate the inside of the cylinder keyhole to watch the film to determine what type of car locks, car locks shrapnel lock change its structure and principles and general civil marbles lock tumblers differ civilian marbles latch system is the key to each tooth gullet corresponding two marbles, but shrapnel shrapnel lock down the activities of each tooth slot only corresponds to a shrapnel. Shrapnel shape as the car for the lock cylinder shrapnel holes in the side does not wear a small hole bottom, but there is a crack in this small hole slots connected with shrapnel holes. Small hole is a small device used to spring. The role of small springs that withstand shrapnel, let shrapnel can shrink when inserted into the key for the lock; when locking can be automatically ejected. Different length of each piece of shrapnel shrapnel holes above, the same width shrapnel holes. This determines the different shades on each key gullets. No key above the long groove is in the form of fold flat with alveolar shape, symmetrical on both sides, as shown: This is easy for people to be neck and neck for about as long as able to key into the key hole, you can turn the lock cylinder change. Car locks in the locked state in general, due to the elastic force of the spring shrapnel long alignment grooves lock body shells back into the inner recesses, so lock heart was shrapnel stuck, can not rotate. When the key inserted into the keyhole of the lock, the key through the middle of the flat square shrapnel shrapnel holes directly in the end, pressing a piece of shrapnel on alveolar recess, will go shrapnel shrapnel tank shrink to just retract and lock Heart circular outer edge is flat. Thus, shrapnel lock heart can not get stuck inside the lock body, lock heart can rotate freely change the lock. If you take the right key for the lock original URL: http://www.hzw1.com Hangzhou for the lock company http://www.dnxsw.com http://www.hz888w.cn Contact: Zheng Song Online QQ: 630280468 852714988 Address: Hangzhou City wall Street 72 Tel: 8,515,761,956,675,017