CN2258527Y

CN2258527Y - Arc-key lock core

Info

Publication number: CN2258527Y
Application number: CN 95228409
Authority: CN
Inventors: 王心诚
Original assignee: Individual
Current assignee: Individual
Priority date: 1995-11-19
Filing date: 1995-11-19
Publication date: 1997-07-30
Anticipated expiration: 2005-11-19

Abstract

The utility model relates to a side arc key lock core, which is composed of a lock core casing, a lock core body, a cylinder, a transmission piece, a pin, a clamping spring, and a side arc key. Because the cross section of a cylinder slot of the lock core casing is of a bow shape, the utility model has convenient process and easy fabrication. Because the end of the cylinder slot of the lock casing is a blind end, the utility model is good for preventing from destroying. Because the cylinder can be respectively inserted in the cylinder slot of the casing towards two sides, the utility model can be protected from unlocking by a 'master key'.

Description

The Arc-key lock core

The utility model relates to a kind of lock core, particularly a kind of Arc-key lock core.

During Arc-key adapted lock core, if construct lock core by mode in the past, the cross section of its lock core shell bullet groove is rectangular, and this makes its difficulty of processing higher.Connect before and after wanting when rectangular channel draws simultaneously, this is unfavorable for tamper-proof.The lock core that generally uses can be opened by MASTERKRY at present.

The purpose of this utility model is to overcome above-mentioned defective, and a kind of tamper-proof Arc-key lock core that prevents that MASTERKRY from opening that is easy to make and be beneficial to is provided.

Above-mentioned purpose is realized by following technical scheme:

The utility model is made up of lock core shell, lock core body, pellet shot from a slingshot, driver blade, pin, jump ring and Arc-key.The profile of lock core shell is decided as required, and its endoporus and lock core body external diameter are made matched in clearance; Having two or four or six cross sections on its endoporus is arc bullet groove, and per two is a pair of, symmetry, not eccentric mutually, and an end of nearly key mouth is a cecum.Lock core body is cylindrical for the band cap, and the center has rectangular bullet groove.Bullet groove is not eccentric, and one end and lock core body bottom connect, and the other end communicates with the key mouth of lock core cap portion; Nearly lock core body bottom is equipped with a pin hole, has a stopper slot.Degree of lip-rounding sheet pellet shot from a slingshot is parallel in the bullet groove, from lock core body bottom shutoff bullet groove, connects driver blade and lock core body with pin with the driver blade that has opening and compression leg, connects lock core body and lock core shell with jump ring.Arc-key has tip, middle part and shank.Its tip is triangular in shape; Its both sides, middle part are parallel arcuation, carry " password " of pellet shot from a slingshot location.

Its operating principle is as follows: after Arc-key inserted lock core body, its tip and driver blade opening coincide, and made location, Arc-key tip, working in coordination with down of Arc-key shank positioning action, made accurately location, Arc-key middle part.At this moment, pellet shot from a slingshot is concordant with the lock core body external diameter, can the rotation lock core body and finish breakdown action.After extracting Arc-key, lock core body motion has radially taken place in pellet shot from a slingshot, and more pellet shot from a slingshot has to have and insert in the lock core shell bullet groove fewly, and promptly lock core body can not rotate, thereby finishes the locking action.

Good effect of the present utility model:,, be easy to make so its processing is easy because the cross section of lock core shell bullet groove is arc.Because nearly key mouth one end of lock core shell bullet groove is cecum, so that it is beneficial to is tamper-proof.Because pellet shot from a slingshot can insert the shell bullet groove to both sides respectively, open so can prevent MASTERKRY.

Description of drawings:

Fig. 1. the assembling schematic diagram of Arc-key lock core

Fig. 2. A-A shown in Figure 1 is to sectional drawing

Fig. 3. the lock core body front view

Fig. 4. the pellet shot from a slingshot front view

Fig. 5. the driver blade front view

Fig. 6. driver blade lateral view shown in Figure 5

Among the figure: 1. Arc-key; 2. lock core body, 3. pellet shot from a slingshot; 4. lock core shell, 5. lock core shell bullet groove; 6. compression leg; 7. driver blade: 8. jump ring; 9. driver blade pin hole; 10. Arc-key tip; 11. lock core body bullet groove; 12. lock core body pin hole; 13. stopper slot; 14. opening; 15. lock core body bottom; 16. Arc-key middle part.

Embodiment: as shown in the figure, lock core is made up of lock core shell (4), lock core body (2), pellet shot from a slingshot (3), driver blade (7), pin, jump ring (8) and Arc-key (1).In the lock core body bullet groove (11) of earlier multi-disc pellet shot from a slingshot (3) being packed into, it is arranged in parallel, use driver blade (7) shutoff again, make the compression leg (6) of driver blade (7) limit last a slice pellet shot from a slingshot, and pellet shot from a slingshot conducts constraining force one by one, pellet shot from a slingshot (3) all is defined in the lock core body bullet groove (11), and can do the lock core body radial motion, pin pack into lock core body pin hole (12), pass riveting jail, driver blade pin hole (9) back, load onto lock core shell (4), jump ring (8) stopper slot (13) of packing into just can be used.

After Arc-key (1) inserts lock core body (2), its tip (10) is defined on the position of opening (14) of driver blade (7), make location, key tip (10), working in coordination with down of key mouth opposite side arc key handle part positioning action, thereby make pellet shot from a slingshot (3) press the permutations of code at Arc-key middle part (16), can remove to finish breakdown action by rotation lock core body (2).After extracting Arc-key (1), upset the pellet shot from a slingshot (3) of permutations of code, promptly radial motion has taken place in pellet shot from a slingshot (3), has to have to insert in the lock core shell bullet groove (5) more fewly, and at this moment lock core body (2) can not rotate, and has just finished the action of locking.

Claims

1. Arc-key lock core, it has lock core shell (4), pellet shot from a slingshot (3) and Arc-key (1), it is characterized in that:

The cross section of the lock core shell bullet groove (5) on lock core shell (4) endoporus is arc, and per two is a pair of, and symmetrical, not eccentric mutually, an end of nearly key mouth is a cecum;

Pellet shot from a slingshot (3) is degree of lip-rounding sheet;

The both sides at the Arc-key middle part (16) of Arc-key (1) are parallel arcuation.

2. a kind of Arc-key lock core as claimed in claim 1 is characterized in that lock core body (2) center has rectangular lock core body bullet groove (11).