CN2559718Y

CN2559718Y - Door lock

Info

Publication number: CN2559718Y
Application number: CN 02272696
Authority: CN
Inventors: 饶先进; 饶敏思; 饶玲进
Original assignee: RAO XINGJING
Current assignee: RAO XINGJING
Priority date: 2002-08-23
Filing date: 2002-08-23
Publication date: 2003-07-09
Anticipated expiration: 2012-08-23

Abstract

The utility model discloses a door lock. The door lock replaces traditional flexible tongue with a rotary tongue, and the structure is simple; the opening and closing noise of the door is small and a memory lever component is added, thus leading the door closing to be safer and more secure. The door lock consists of a lock body surface cover, a rotary tongue, a locking block, a memory lever, a pulling spring, a lock body buckle shell, a rotary tongue rotary shaft, a recovery torsion spring, a torsion spring positioning column, a locking block rotary shaft, a locking block bracket, a pulling connecting rod, a lock body bottom shell, etc. The utility model is suitable for the installation and application of general metal structure or wood structure doors. The lock opening type of the utility model is key or mechanical code; furthermore, contact typed or non-contacted typed IC, ID, TM cards, fingerprint, contact information button can also be adopted for opening the lock.

Description

Door lock

Technical field

The utility model relates to a kind of door lock, various security door electric control lock, electronic lock, and particularly a kind of commentaries on classics tongue memory electric control lock is fit to common metal structure or wooden structures door and installs.

Background technology

Its dead bolt of existing door lock generally is by stage clip pulling force telescopic movable, and it is very big to open or close noise, complex structure.The door lock security reliability is relatively poor.

Summary of the invention

The utility model provides a kind of simple in structure, low noise, the rotatable band of dead bolt memory function, the ensure safety door lock of positive lock, this door lock comprises with lower member: the lock body cover, change tongue, clamping block, memory lever, extension spring, lock body door holder casing, drive tongue, locating slot, the rotating shaft of commentaries on classics tongue, reduction torsion spring, torsion spring reference column, clamping block rotating shaft, clamping block support, lock body drain pan.Lock body drain pan and cover rectangularity, cover are to cover on the lock body drain pan.On drain pan, be equipped with band [mouthful column change tongue, be processed with locating slot on one side change the tongue opening part, drive tongue on one side opening is processed into convex, change tongue be processed with draw-in groove in case allow in the clamping block one end card entry slot turning-bolt lock is fixed.Change tongue and be processed with axis hole, be fixed in the lock body drain pan, change on the tongue reduction torsion spring also is housed, help the commentaries on classics gyrus lingulais to change and reset so that allow the rotating shaft of commentaries on classics tongue pass.Clamping block be processed into (shape, axis hole is opened in the centre, the clamping block rotating shaft is passed axis hole and is fixed on the clamping block support, support machined surface Qian shape is packed on the drain pan.Clamping block is also connected to extension spring, and the extension spring other end is connected on the clamping block support.The memory lever is housed on the lock body cover, and the memory lever is a flat bar, changes tongue when locking the door and stretches out drain pan, and clamping block snaps in the end that the projection of remembering in the dead bolt draw-in groove on the lever blocks clamping block, and making clamping block guarantee to be stuck in changes the tongue draw-in groove, more safe and reliable.The lock body door holder casing is processed into P shape, have the limit notch can allow change that tongue changes over to can door lock is good after equipped.

This door lock adopts changes tongue, and simple in structure, noise is low, and the memory lever is arranged, and making locks a door more ensures safety, and is fit to common metal structure or wooden structures door and installs and uses.The mode of unblanking: both can use key or mechanical cipher to unblank; Also can use contact or untouchable IC, ID, TM card, fingerprint and the information button of touching are unblanked.

Description of drawings

Fig. 1 is the utility model door latch structure schematic diagram,

Fig. 2 is that the utility model changes ligulate shape schematic diagram.

Among Fig. 1,1-lock body cover, 2-changes tongue, the 3-clamping block, 4-remembers lever, 5-extension spring, 6-lock body door holder casing, 7-drives tongue, and 8-changes tongue rotating shaft, the rotating shaft of 9-clamping block, 10-clamping block support, 11-draw-in groove, the 12-locating slot, 13-reduction torsion spring, 14-poke rod, 15-lock body drain pan, 16-torsion spring reference column.

The specific embodiment

The utility model is with reference to as Fig. 1 structural representation the parts that ginseng processes being assembled into door lock.Each parts is made of metal material among the embodiment.Open [commentaries on classics tongue 2 usefulness of oral pillar shape change tongue rotating shaft 8 fasten at the lock body drain pan right-hand, dead bolt top dress back-moving spring 13; Clamping block 3 usefulness clamping block rotating shafts fasten the left that is positioned at dead bolt 2 on clamping block support 10, the twist-lock piece makes the one end be stuck in the draw-in groove of dead bolt, with extension spring 5 one be terminated at clamping block, the other end is fixed on the lock body drain pan, flat bar is remembered the projection that lever 4 one ends are fixed on lock body drain pan upper left side, memory lever block an end of clamping block, make the draw-in groove of the steady dead bolt of clamping block other end card.Lock body door holder casing 6 is also made P shape shell with metal material, and the shell limit has notch and lock body drain pan when equipped, changes tongue and can change and reach in the lock body door holder casing 6, so that with the safe and reliable locking of door.

Claims

1, a kind of door lock, by the lock body cover, change tongue, clamping block, the memory lever, extension spring, the lock body door holder casing, change the tongue rotating shaft, reduction torsion spring, the torsion spring reference column, the clamping block rotating shaft, the clamping block support, poke rod, compositions such as lock body drain pan, it is characterized in that: lock body cover (1) and lock body drain pan (14) rectangularity, cover (1) covers on drain pan (14), change tongue (2) for having [the cylinder of mouth, change tongue (2) opening part and be processed with locating slot (12) on one side, another side is that convex drives tongue (7), the rear portion of changeing tongue is processed with a draw-in groove (11), dead bolt has axis hole, and dead bolt rotating shaft (8) is passed axis hole and is fixed in the lock body drain pan (15).

2, door lock according to claim 1, it is characterized in that: clamping block (3) is processed into (shape, axis hole is opened in the centre, the clamping block rotating shaft is passed axis hole and is fixed on the Qian shape clamping block support (10), the clamping block support is packed on the drain pan (15), clamping block (3) is connected to extension spring (5), another termination clamping block support (10) of extension spring (5).

3, door lock according to claim 1 is characterized in that: memory lever (4) is a flat bar, and projection is arranged on the lever, blocks clamping block with clamping block one end in contact.

4, door lock according to claim 1 is characterized in that: lock body door holder casing (6) is processed into P shape, has the limit notch, and lock body door holder casing (6) is equipped with lock body drain pan (15).