A kind of key for blade lock and the blade lock core mating with key
Technical field
The present invention relates to lock technology field more particularly to a kind of key for blade lock and the blade lock mating with key
Core.
Background technology
Lock is a kind of fastener for being placed in and being opened on implements able to turn on or off with key or private mark.Common lockset can be divided into blade
Lock, spring lock and blade lock and the lockset of spring lock combination.From technology in itself from the point of view of, blade lock is to prevent key from mutually opening and technology
Property open the highest lock of performance.
In order to improve the anti-theft performance of blade lock, people devise various theft prevention blade lock cores, have the blade lock of lock pin
Core is one of which, generally includes to lock outer courage, is rotatably arranged in lock liner, number plate and the lock pin locked in outer courage.It is locking
It is arranged in parallel in an axial direction and axis is provided with several slots on liner, a pair of of number plate is respectively provided in each slot,
Keyhole is equipped in each number plate and makes the resetting spring that number plate moves outside slot, the side of number plate is locking
Side is equipped with unlocking groove in locking edge.Be equipped with the line of rabbet joint corresponding with unlocking groove on lock liner, on outer courage is locked equipped with
The corresponding lock slots of the line of rabbet joint, the lock pin are movably arranged in the cavity that the line of rabbet joint and lock slots are formed.During unlocking, pass through key
Alveolus and number plate locking tooth interaction force each number plate changing position until all unlocking grooves be located at same straight line,
At this moment, lock pin slips into unlocking groove, and rotation lock liner achievees the purpose that unlocking.After key is extracted, number plate is in resetting spring
Under the action of moved outside slot, at this moment, unlocking groove, which squeezes lock pin, makes its pop-up enter lock slots, and then reaches locked mesh
's.
It combines and compares with traditional spring lock and blade lock and spring lock, though this blade lock has preferable encryption,
But its number plate usually only sets a datum mark, exists and mutually opens and the risk by technical unlocking.Especially in number plate slot number
Less (during less than six) are measured, number plate still can be toggled it to appropriate location just by some criminals by specialist tools to both sides
Lock can be opened, safety coefficient is still waited to further improve.
Invention content
For problems of the prior art, the purpose of the present invention is to provide a kind of encryption it is good, facilitate carry out it is more
The key for blade lock of grade management.
The present invention also provides a kind of and mating blade lock cores of above-mentioned key.
To achieve the above objectives, the present invention adopts the following technical scheme that.
A kind of key for blade lock, including:Key handle and key piece, the key piece include two sides and positioned at two
Two planar end surfaces between side are respectively equipped with two shaped grooves, which is characterized in that the two side of each shaped groove on two planar end surfaces
On be designed with lock tooth origin reference location point.
As with improvement, spent on opposite sides equipped with tooth.
As with improvement, the entrance of the shaped groove is in horn-like.
A kind of and mating blade lock core of above-mentioned key, including:It locks outer courage, lock liner, number plate and lock pin, in the lock
Courage is rotatably arranged in the outer courage of lock;It is arranged in parallel in an axial direction and axis is provided with several slots on lock liner,
A pair of of number plate is equipped in each slot, keyhole is equipped in each number plate and makes what number plate moved outside slot to answer
Position spring, the side of number plate is locking edge, and unlocking groove is equipped in locking edge;It is equipped with and unlocking groove pair on lock liner
The line of rabbet joint answered is equipped with lock slots corresponding with the line of rabbet joint on outer courage is locked, and the lock pin is movably arranged on the line of rabbet joint and lock slots are formed
Cavity in;It is characterized in that, four datum marks corresponding with four shaped grooves respectively are equipped on the keyhole of each number plate,
Lock tooth is equipped on one in four datum marks at random.
As with improvement, the lock teeth directional keyhole protrudes, in needle-shaped.
It as with improvement, is equipped in each pair of number plate and lifts piece by what two number plates separated, lifting on piece equipped with key
Keyhole and unlocking groove;Catch is equipped in piece keyhole lifting, the catch, which is integrally formed, is lifting one of piece keyhole
Spent with the tooth of key two sides corresponding in angle.
As convex block with improvement, is equipped in number plate, the resetting spring is connected between convex block and lock liner.
As with improvement, the number of the slot is four or more.
As with improvement, the shape of the unlocking groove is V-arrangement, and the section of the lock pin and unlocking groove opposite side is same
Sample is the matched V-arrangement of shape.
Compared with prior art, the beneficial effects of the invention are as follows:
First, by being designed with lock tooth origin reference location point on the two side of shaped groove, lock tooth and shaped groove left side wall or
Right side wall reclines, and effectively reduces the matching tolerance of lock tooth and shaped groove, easy to process, lockset good reliability.
2nd, due to each number plate, there are four datum marks, and lock tooth is randomly placed on one of datum mark, every in this way
Just there are eight benchmark positions in a slot, possible pins combine up to 16, much larger than traditional blade lock core, encryption
Good, key mutually opens that probability is lower, is also convenient for realizing the multiple management of key.
3rd, piece is lifted by what two number plates separated due to being equipped in each pair of number plate, needle-shaped lock tooth is effectively avoided to slide
Occur damaged in collision in the process, effectively extend the service life of lock core, through lot of experiment validation, in the case where lifting piece,
Lock core can extend at least 1/3rd using birthday noodle.
Description of the drawings
Fig. 1 show blade lock core structure diagram provided by the invention;
Fig. 2 show number plate structure diagram.
Reference sign:
1:The outer courage of lock, 2:Lock liner, 3:Number plate, 4:Lock pin, 5:Slot, 6:Lock tooth, 7:Key, 8:Lift piece;
21:The line of rabbet joint;
31:Keyhole, 32:Unlocking groove, 33:Convex block;
71:Key handle, 72:Key piece, 73:Shaped groove, 721:Side, 722:Planar end surface;
81:Keyhole, 82:Unlocking groove.
Specific embodiment
The essence of the present invention is more fully understood for convenience of those skilled in the art, below in conjunction with the accompanying drawings to the specific of the present invention
Embodiment is described in detail.
As shown in Figure 1, a kind of blade lock core, including:The outer courage 1 of lock, lock liner 2, number plate 3 and lock pin 4.
Wherein, the lock liner 2 is rotatably arranged in the outer courage 1 of lock.It is arranged in parallel in an axial direction and hang down on lock liner 2
Directly in axis setting, there are six slots 5, and a pair of of number plate 3 is equipped in each slot 5, key is equipped in each number plate 3
Hole 31 and make the resetting spring that number plate 3 move outside slot, convex block 33 is equipped in number plate 3, the resetting spring connects
Between convex block 33 and lock liner 2.The side of number plate 3 is locking edge, and unlocking groove 32 is equipped in locking edge.
Be equipped on lock liner 2 with the 32 corresponding line of rabbet joint 21 of unlocking groove, equipped with corresponding with the line of rabbet joint 21 on outer courage 1 is locked
Lock slots, the lock pin 4 are movably arranged in the cavity that the line of rabbet joint 21 and lock slots are formed.
As shown in Fig. 2, being set on the keyhole 31 of each number plate 3, there are four datum mark A, B, C, D, four benchmark point symmetries
The upper and lower side of keyhole 31 is arranged on, is equipped with lock tooth 6 on one in four datum marks at random, the tooth 6 of locking is to keyhole
It is projecting inward, in needle-shaped, each pins locked tooth 6 and form key planar end surface.
In conjunction with Fig. 1, a kind of key 7 for the blade lock core, including:Key handle 71 and key piece 71, the key
Key piece 72 includes two sides 721 and two planar end surfaces 722 between two sides 721, and tooth is equipped on two sides 721 and is spent,
It is characterized in that, two shaped grooves 73 are respectively equipped in both ends of the surface 722, the shaped groove 73 and the lock 6 position phase of tooth
Match, be designed with lock tooth origin reference location point on the two side of each shaped groove 73, the upper lock tooth of each pair of number plate respectively with it is curved
73 left and right side of slot reclines.Lock core is inserted into for convenience of key, preferably the inlet of shaped groove 73 is in horn-like.
During unlocking, each number plate 3 is forced to change position by the interaction of shaped groove and number plate 3 the locking tooth 6 of key 7
It puts until all unlocking grooves 32 are located at same straight line, at this moment, lock pin 4 is slipped into the groove body of the formation of unlocking groove 32, rotation lock
Liner 2 achievees the purpose that unlocking.After key is extracted, number plate 3 moves under the action of respective resetting spring outside slot 5,
At this moment, unlocking groove 32, which squeezes lock pin 4, makes its pop-up enter lock slots, and then achieve the purpose that locked.
Compared with prior art, its advantage of blade lock core provided in this embodiment is:Due to each number plate 3, there are four bases
On schedule, lock tooth 6 is randomly placed on one of datum mark, just there is eight benchmark positions, possible key in slot each in this way
Spoon code character closes up to 16, and much larger than traditional blade lock core, encryption is good, and it is lower that key mutually opens probability.
Further, it for lock tooth 6 is avoided to occur damaged in collision in use, is equipped in each pair of number plate 4 by two
What number plate 3 separated lifts piece 8, and keyhole 81 and unlocking groove 82 are equipped on piece 8 is lifted.It is set lifting in piece keyhole 81
There is catch, the catch is integrally formed the pins that key side is formed on an angle for lift piece keyhole 81.
Further, for lock pin 4 is enable smoothly to be popped up from unlocking groove 32, preferably the shape of unlocking groove 32 is V
Shape, the section of the lock pin 4 and 32 opposite side of unlocking groove are similarly the matched V-arrangement of shape.
The essence of the present invention is described in detail in more than specific embodiment, but can not be come with this to the present invention's
Protection domain is limited.It should be evident that under the enlightenment of essence of the invention, those of ordinary skill in the art can also be into
The many improvement and modification of row, for example, by the quantity of slot be changed to four, five, seven, it is even more.It should be noted that this
A little improvement and modification are all fallen within the claims of the present invention.