Detail of GB 21556-2008

Introduction of GB 21556-2008

GB 21556-2008 General safety technique requirement of locks 1 Scope This standard specifies the terms and definitions, requirements, test methods and inspection rules of locks. This standard is applicable to pin padlock, pin furniture lock, bicycle lock, rim lock, pin tumbler mortise door lock, flat tumbler mortise lock, door lock with knobs, fire resistant lock, thief resistant mechanical lock, thief resistant electronic lock, and electrically operated door lock [1) Door locks with rated voltage not exceeding 440V DC, 660V AC, and rated current not exceeding 63A.]1). Other similar locks may be implemented with reference. This standard is not applicable to industrial locks and special locks. 2 Normative references The following documents contain provisions which, through reference in this text, constitute provisions of this standard. For dated references, subsequent amendments (excluding corrections) to, or revisions of, any of these publications do not apply to this standard. However parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. For undated references, the latest edition applies. GB/T 2829 Sampling procedures and tables for periodic inspection by attributes (Apply to inspection of process stability) GB 4208-1993 Degrees of protection provided by enclosure (IP code) (eqv IEC 529: 1989) GB 4706.1-2005 Household and similar electrical appliances - Safety - Part 1: General requirements [IEC 60335-1: 2004 (Ed4.1), IDT] GB/T 7633 Fire resistance tests - Door and shutter assemblies (eqv ISO 3008: 1976) GB 14536.1-1998 Automatic electrical controls for household and similar use - Part 1: General requirements (idt IEC 730-1: 1993) GB 14536.13-1996 Automatic electrical controls for household and similar use - Particular requirements for electrically operated door locks (idt IEC 730-2-12: 1993) GB/T 15729 Hand torque tools - General requirements GB/T 17626.2 Electromagnetic compatibility (EMC) - Testing and measurement techniques - Electrostatic discharge immunity test (GB/T 17626.2-2006, IEC 61000-4-2: 2001, IDT) GB/T 17626.3 Electromagnetic compatibility - Testing and measurement techniques - Radiated radio-frequency electromagnetic field immunity test (GB/T 17626.3-2006, IEC 61000-4-3: 2001, IDT) GB/T 17626.4 Electromagnetic compatibility - Testing and measurement techniques - Electrical fast transient/burst immunity test (GB/T 17626.4-1998, idt IEC 61000-4-4: 1995) GB/T 17626.11 Electromagnetic compatibility - Testing and measurement techniques - Voltage dips, short interruptions and voltage variations immunity tests (GB/T 17626.11-1999, idt IEC 61000-4-11: 1995) GB 50045-1995 Code for fire protection design of tall building 3 Terms and definitions For the purposes of this standard, the following term and definition apply: 3.1 security level level divided by differences in technical performance indicators and vandalism resistant capability 3.2 key a part with a key wag and a bit or information and information carrier for opening and closing the lock 3.3 bit one or more groups of teeth of different heights are arranged on the key 3.4 number of key differs total number of unique bit on keys in a batch 3.5 operation of security mechanism phenomenon that another lock can be opened with its own key 3.6 security mechanism mechanism in the lock structure to prevent foreign objects from opening 3.6.1 pick up resistant ability to resist being pushed away within a specified time, causing the lock to be opened 3.6.2 drilling resistant ability to resist being broken by drilling within a specified time, causing the lock to be opened 3.6.3 sawing resistant ability to resist the part being sawed off within a specified time, causing the lock to fail its function 3.6.4 prying resistant ability to resist being pried open within a specified time, causing the lock to fail its function 3.6.5 opening locks resistance for technology ability of a professional technician to open a lock using a special tool or method 3.7 cylinder components that have assembled lock cylinders and other parts 3.8 plug a part with a key wag that can directly transmit the key action 3.9 key wag center line be sealed groove-shaped curved portion that is close to or beyond the key wag center line 3.10 pin cylindrical part acting as a bit change 3.10.1 deformed pin pin with different shapes installed in pin holes to prevent foreign matter technology from opening 3.11 flat tumbler sheet-shaped parts that function as bit changes 3.12 lock body main part of the lock with the component installed 3.13 bolt part or component of the lock that acts directly as locking function, including dead bolt, latch bolt, cylindrical bolt, hook bolt, ring bolt, etc. according to different shapes 3.14 lever handle component that drives the bolt to open and can reset itself when the external force is removed, including bored lever handle, curved lever handle, snap-pull lever handle, etc. according to different shapes 3.15 cam a part that plays a toggle role to open and close the bolt 3.16 padlock lock that locks an object (body) in the form of a hanging 3.16.1 shackle a part that catches an object and acts as a lock 3.17 furniture lock lock suitable for all kinds of furniture 3.18 bicycle lock lock for locking bicycle wheel 3.18.1 ring bicycle lock bicycle lock shaped as a ring 3.18.1.1 shackle annular part that acts as a locking 3.18.1.2 lug a part that connects the shackle and moves it by hand 3.18.1.3 mouthpiece a part that is placed on both ends of the lock body to strengthen the riveting strength of the lock body and provide guidance 3.18.2 strip bicycle lock bicycle lock shaped as a strip 3.18.2.1 socket a part that connects one end of the lock bar and inserts the other end into the cylinder to perform the closing function 3.18.3 U shape bicycle lock bicycle lock shaped as U

Contents of GB 21556-2008

Foreword i 1 Scope 2 Normative references 3 Terms and definitions 4 Requirements 4.1 Pin padlock 4.2 Pin furniture locks 4.3 Bicycle lock 4.4 Rim lock 4.5 Pin tumbler mortise lock 4.6 Flat tumbler mortise lock 4.7 Door lock with knobs 4.8 Fire resistant lock 4.9 Thief resistant machine locks 4.10 Thief resistant electronic locks 4.11 Electrically operated door lock 5 Test methods 5.1 Test of pin padlock 5.2 Pin furniture lock test 5.3 Bicycle lock test 5.4 Test of rim lock 5.5 Test of pin tumbler mortise lock 5.6 Test of flat tumbler mortise lock 5.7 Test of door lock with knobs 5.8 Test of fire resistant lock 5.9 Test of thief resistant machine lock 5.10 Test of thief resistant electronic lock 5.11 Test of electrically operated door lock 6 Inspection rules Annex A (Normative) Testing instruments and equipment, testing devices, and tools used in the standard