Building materials knowledge: classification of locks
First, according to the type of lock:
1. Padlock: divided into copper padlock, iron padlock and password padlock. The main specifications are 15, 20, 25, 30, 40, 50, 60 and 75mm.
2, the drawer lock: divided into all copper drawer lock, set of copper drawer lock, aluminum core drawer lock and left and right cabinet door lock, its main specifications are φ22.5mm and 16mm.
3, the marble door lock: divided into a single insurance door lock, double insurance door lock, three insurance door locks and multiple insurance door locks.
4, mortise door lock: also known as anti-theft door lock, divided into steel door mortise lock and wooden door mortise lock.
5, ball type door lock: divided into copper ball type door lock and three tube type ball type door lock, as well as private room lock.
6, color lock: divided into glass door lock, even plug lock, button lock, electrical box switch lock and chain lock, cam lock and so on.
7, electronic control lock: fingerprint lock, magnetic card lock, IC card lock, password lock.
8, handle locks.
9, aircraft locks, train locks, car locks, marine locks.
10, prison locks and other special locks.
Second, according to the purpose of the lock:
1, the entrance door lock: also known as the anti-theft lock. The entrance door is the gate of every family. It is a watershed outside the home. It must have a special function, which can play the role of insurance and security. The household usually consists of two doors: an iron gate and a general door (usually a wooden door). For the iron gate, it can be locked on both sides, commonly known as: double-headed lock. Commonly used are multiple safety door locks and mortise steel door locks. When selecting, it should be noted that the distance between the two doors should not be less than 80mm (8cm). Otherwise, the distance between the two doors (because of the handle of the lock) is not long enough to be closed at the same time and does not function as an anti-theft. The general door wooden door is generally equipped with a large handle lock, which can play an aesthetic role.
2, the door lock in the room: generally refers to the bedroom lock. There is insurance function in the room, use the key to open the handle lock or the same function ball lock outside the room.
3, bathroom door lock: its characteristics is that it can lock the door inside, with an emergency opening device on the outside, and has a red, green display, or a small handle lock with the "someone" "no one" display or the same function ball lock .
4, kitchen and channel lock: it only plays the role of door handle and wind, no insurance function. It is also suitable for storage rooms and children's rooms.
Third, according to the production process:
1. According to the material: a, brass can be made into AC.AB.PB.BN ball lock, which AC.AB.BN plating seal paint, BP plating closed polishing. b, stainless steel can be made into SSPS ball lock, which SS, sandpaper sand, PS cloth wheel polishing closed. c, copper SB cloth wheel polishing and closing. d, logs, eucalyptus; original eucalyptus closed. (Material for the production of locks: brass, copper, stainless steel, eucalyptus, logs, marble, iron, inner steel, zinc alloy, aluminum)
2, the production process: raw material shear - tilting press with a variety of die stamping - trimming and trimming - sanding - polishing - electroplating closure - assembly - inspection - packaging.
3, assembly process: ball lock parts and installation process: front ball → lock core → front pass → ball cover → support frame (including flange, slide board, support frame, decorative cover) → front cover → switch Jane → Slider → Spring → Baffle → After the fuse insert → Inner sleeve → Rear baffle → Rear cover → Back ball.
4, face decoration code: SS - stainless steel sanding, SP - stainless steel polishing, SN - stainless steel cleaning, SBV - copper sanding, PBV - copper polishing, SB - brass sanding, PB - brass polishing, BP - iron plating Imitation gold, AC - red ancient, BN - black nickel, NK - iron plated bright nickel.