Detailed Product Description
*bicycle fork locks with good quality and low price.
*Product: U-Lock for motorcycles and glass door
*Lock cylinder: brass cylinder
*Lock body: zinc alloy, chromed
*Shackle: Φ13mm alloy steel, heat-treated, rubber tube covered
*Packages: blister paper card, 20 pcs/ctn
*Highlight: adjustable length of 117mm
- Q:When was the lock and the key invented?
- Ancient lock is a historical testimony. In ancient times, the wise man has learned to put personal valuables wrapped in animal skins, tied with a rope outside, the last opening marked with a special knot. And knot can only use a tool called "bone file" to pick up. Knot and bone file, is the key to the lock and key.
According to the information recorded, the earliest lock made of wood, its vulnerable only as a symbolic lock. China's metal lock first appeared in the Han Dynasty, is the reed structure lock. Ming and Qing dynasties is the heyday of ancient locks, mainly copper and iron. 50 years of last century, the lower cost of low-hook hook lock, leaf lock, marbles lock one after another into the Chinese market, the ancient Chinese lock from the stage of history. Through the glowing of the vicissitudes of the ancient lock, enjoy the profound history of Chinese culture.
Primitive human life through the cave, in order to prevent the invasion of the beast and protect the goods, they use heavy stone to block the hole, and this can be said that the earliest and most direct original safety device.
- Q:A lock B lock how to use?
- There is a key above the mouth with a c key, if you use that c key will make a key can not be used, b key normal use
- Q:How to identify the quality of the lock
- Test spring: spring is also good or bad determines the life of the lock. If the quality of the lock spring is not good, the handle is easy to sag, the life of the lock will be greatly reduced. Buy skills: try to lock the toughness of the spring, a good spring feel very soft, soft and hard moderate.
- Q:To determine the broken core is not bad, how to judge
- The general small ball or gear is relatively easy to open. There are A-level, B-class, ultra-B-level cylinder, how to distinguish: A-level anti-theft lock key is a word key and cross key. A-level cylinder internal structure is very simple, limited to the changes in the ball, the ball slot less shallow. Anti-technical open time 1 minute, the opening rate is extremely high. The ball structure is a single row of balls or a cross lock. B-level lock key for the flat key, a double row of marbles slot, with the A-level lock is different from the key surface of a row of curved irregular lines. The main type of lock cylinder is 3, the computer double row cylinder, double row crescent cylinder, double blade cylinder core. Anti-technical open time 5 minutes, the mutual high rate. Through the torsion tool, 1 minute can open the cylinder.
- Q:What is a smart lock? how to use?
- Smart lock is different from the traditional mechanical locks, in the user identification, security, management, more intelligent lock. The accessory of the door in the access control system.
- Q:What are the brands of locks?
- According to the overall domestic sales performance:
1, the door lock industry
2, Yajie hardware
3, the Thai-Thai hardware
4, the top solid hardware
5, GMT Dongfeng Hardware
6, Sri Lanka high hardware
8, days slave hardware
10, modern hardware
- Q:Why is the valve with a lock?
- Valve (famen) is a fluid control system in the control unit, with cut-off, regulation, diversion, to prevent backflow, regulator, shunt or overflow pressure and other functions.
- Q:Inside the hotel door lock called what lock
- Chain buckle installed in the back of the door from the door near the place, one end of the chain chain fixed on the door frame, the other end is active, can be inserted into the back of the chain buckle lock. When the anti-theft chain, the door can only open to the maximum of 5 to 8 cm, people can not pass, the hand can not be reached from the door enough to the back of the chain buckle, which ensures that the owner in the door to confirm the visit When the identity, will not be the other side of the sudden attack.
- Q:I would like to open a lock shop, I do not know how to purchase, have this line of friends pointing it? Thank you. How about doing this, make money? Are there any prospects for development?
- Investment, the benefits should be linked with the decoration shop, a simple lock monopoly, first of all to be installed, or you can not afford to sell.
- Q:How to use it correctly
- Performance maintenance 1, in the course of the use of regular (six months or once a year) or in the key plug is not smooth, add some graphite powder in the keyhole (pencil powder) from the lubrication, do not add any liquid oil Material as a lubricant to avoid grease sticks marbles spring, resulting in the lock can not turn and can not open. When the door is closed more laborious, can be wiped in the oblique tongue pencil can be resolved. 2, closing the best holding the handle, the lock into the lock body, close the door and then let go, do not force hit the door, otherwise it will reduce the life of the lock. 3, when the main lock or insurance lock out of the door, do not violent impact, so as not to damage the tongue and the door frame. 4, because the door and the door frame between the installed seal has a stretch effect, so when the lock with a handle or key lock, you can open the door at the same time by hand to push the door or sliding door to overcome the elasticity, do not force the handle or key Open the door to prevent the handle or key from breaking.
We are specializing in making a series of mechanical locks for vehicles, safes and doors. Most of our products have obtained national patent certificates. Our products also have been recommended by the Ministry of Public Security as the security and protection products for many years.
We welcome friends all over the world to visit us!
1. Manufacturer Overview
|Annual Output Value
||North America 2%
South America 1%
Eastern Europe 1%
Southeast Asia 3%
Mid East 5%
Eastern Asia 3%
Domestic Market 80%
2. Manufacturer Certificates
|a) Certification Name
3. Manufacturer Capability
||1% - 10%
|No.of Employees in Trade Department
||10,000-30,000 square meters
|No. of Production Lines
||OEM Service Offered Design Service Offered Buyer Label Offered
|Product Price Range