CN2535499Y

CN2535499Y - Internal-external two-section alternate-angle safe lock

Info

Publication number: CN2535499Y
Application number: CN 02223399
Authority: CN
Inventors: 甘淼漾; 甘汉毓
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-02-01
Filing date: 2002-02-01
Publication date: 2003-02-12
Anticipated expiration: 2012-02-01

Abstract

The utility model provides a safety lock with two internal-external sections in an alternate angle. A lock core is divided into two sections, and an interlocking device is arranged between the internal section and the external section. The interlocking device can be released only after alternating certain rotary angle of the two internal-external sections of the lock core. A key is also provided with two sections, and a front half section and a back half section can mutually rotate with certain angle, so as to meet the requirement of the lock core for unlocking, and furthermore a matching protrudent platform which is used to increase the force of unlocking is arranged between the internal section and the external section of the lock core, which leads the two internal-external sections of the lock core to synchronously force, so as to increase the intensity of the key when unlocking; at the same time, a return torsion spring is arranged at the joint position of the internal section and the external section of the key for helping the two sections of the key to be replaced. The utility model uses the split-type structure subtly to change the lock core and the key as the two-section structure, and mutually alternate interlocking between two sections is realized, which completely solves the problem of preventing the technical unlocking.

Description

Inside and outside binodal alternate angle safety lock

One, technical field

The novel structure construction that belongs to a kind of lock core and key of this reality is applicable to using on the various antitheft security doors of having relatively high expectations.

Two, background technology

Lock is a kind of general security personnel's instrument, its type is also very various, be still the spring type mechanical anti-theft lock but use the most generally now, such lock not only type is wide, various in style, and present spring type mechanical lock is through constantly development and improvement have had well anti-drilling, anti-saw.Pick-proof, the protecting against shock performance has increased the sense of security for people's life, working and learning.But present spring type mechanical anti-theft lock still has 2 deficiencies: the anti-technical opening function of the first is poor, and it two is that key is duplicated by the people easily.So-called anti-technical opening is meant the clean working time of being opened lock by the professional with special tool.The standard of state ministry of public security (GA/T73-94) regulation, A level lock is 1 minute, B level lock is just to be qualified lock in 5 minutes, and Duan time is too short for the stealer of having grasped the skilled unlocking secret of success really like this, yet owing to the structural property of present cylinder lock can only be made regulation like this.So far still not having can not be by the cylinder lock of technical unlocking, and this is unsafty really.For duplicating of key, well-known present key all has certain shape, though the key shape difference of each lock, but because fixed in shape, thus all can be by the clay die, cut open system, or duplicate with original key, in case so key loss is stolen, its lockset just will lose its effect thereupon.These all are the things that people very worry at present, and therefore necessity of being improved arranged very much.

Three, summary of the invention

The purpose of this utility model is that the deficiency at existing lockset proposes a kind of new marble lock that can not be replicated by technical unlocking and key of being difficult for, and the part of only making tapered end and key is improved and just can be realized the above-mentioned purpose technical scheme.

Implementer's case according to the purpose of this utility model design is: lock core is divided into two joints, and has interlock between inside and outside two joints, have only after the wrong certain mutually anglec of rotation of inside and outside two joint lock cores and just can remove interlock.Key then also is two joints, anterior half-sclerotome and caudal half-sclerotome turn an angle mutually, to satisfy the needs of unblanking of lock core, in addition, also be provided with the cooperation boss that is used to strengthen the dynamics of unblanking between two joints inside and outside the lock core, make when unblanking, inside and outside two save lock cores can exert oneself simultaneously, and to increase the intensity of key, the while is on the position of the inside and outside two joint connections of key, be provided with a return torsion spring, to help resetting of inside and outside two joint keys.

The utility model has utilized split type structure dexterously, changes lock core and key into two joint structures, and has carried out the mutual dislocation interlocking between two joints, solved the difficult problem of anti-skilled unlocking fully, had simple in structurely, theftproof is good, be easy to characteristics such as improvement, employing is worthy to be popularized.

Four, description of drawings

Fig. 1 is the profile schematic diagram of key of the present utility model;

Fig. 2 is a lock core profile schematic diagram of the present utility model;

Fig. 3 is lock core two joint bonding surface section left views of the present utility model;

Fig. 4 is lock core two joint bonding surface section right views of the present utility model;

Fig. 5 is the sectional view structural representation of the utility model key.

Among the figure: 1. lock body 2. lock cores 3. internal cylinder 4. outer lock cores 5. interlocks 6. interlocking pin-and-holes 7. interlocking pellets shot from a slingshot 8. springs 9. interlockings slopes groove 10. interlocking semicircle orifices 11. synchronous tenon 12. synchronous groove 13. keys 14. interior key 15. outer key 16. torsion springs 17. outer keyholes 18. interior key axle 19. pellets shot from a slingshot 20. springs.

Five, the specific embodiment

Accompanying drawing has provided an embodiment of the present utility model.From accompanying drawing as can be seen, the utility model comprises lock body (1), lock core (2) and several parts of key (13), and by the circular hole clamping pellet shot from a slingshot (19) that latch hub opens and the spring (20) that acts on pellet shot from a slingshot (19) is arranged between lock body (1) and lock core (2); It is characterized in that lock core (2) is internal cylinder (3) and outer lock core (4) two body structures.And internal cylinder (3) and outer lock core (4) are interlocking structure, there is an interlock (5) at cylindrical place at internal cylinder (3) and outer lock core (4) bonding surface, interlock (5) is an alternate angle interlock, interlock (5) is made of interlocking pellet shot from a slingshot (7) and spring (8), one interlocking slope groove (9) is arranged on the circumferential periphery of outer lock core (4) and internal cylinder (3) bonding surface, half of interlocking pellet shot from a slingshot (7) is when the lock locking, fall within the interlocking slope groove (9), second half of interlocking pellet shot from a slingshot (7) is when the lock locking, fall in the interlocking semicircle orifice (10) of internal cylinder (3), interlocking pellet shot from a slingshot (7) can be after the relative internal cylinder (3) of outer lock core (4) rotates to an angle, rise to more than the lock core cylindrical along interlocking slope groove (9), remove interlocking.In addition, in order to increase the torsion of unblanking, on internal cylinder (3) and end face that outer lock core (4) combines, be provided with synchronous tenon (11) on its lock core, another side is provided with the synchronous groove (12) that matches with synchronous tenon, key of the present utility model also is two joints, be divided into interior key (14) and outer key (15), key axle (18) in one is arranged on interior key (14), there is an outer keyhole (17) at the center of key (15) outside, interior key axle (18) passes the outer keyhole (17) on the outer key (15), interior key (14) externally key (15) do rotation with one heart mutually.In addition, be set with a torsion spring (16), have certain torsion between key and the outer key in torsion spring (16) makes at the root part of handle of interior key axle (18).

Operating principle of the present utility model is: after interior key is injected lock core hole, outer key inhour miter angle could be inserted into lock-bit with outer key, slightly firmly outer key arm can restore.When key restores outside, remove the locking of internal cylinder and lock body.At this moment concordant inside and outside key arm is rotated together, can open or lock various locking bolt.

Claims

1, inside and outside binodal alternate angle safety lock, comprise lock body (1), lock core (2) and several parts of key (13), and between lock body (1) and lock core (2), pellet shot from a slingshot (19) that latch hub opens and the spring (20) that acts on pellet shot from a slingshot (19) are arranged by the circular hole clamping, it is characterized in that lock core (2) is internal cylinder (3) and outer lock core (4) two body structures, and internal cylinder (3) and outer lock core (4) are interlocking structure, there is an interlock (5) at cylindrical place at internal cylinder (3) and outer lock core (4) bonding surface, interlock (5) is an alternate angle interlock, key also is two joints, be divided into interior key (14) and outer key (15), key axle (18) in one is arranged on interior key (14), there is an outer keyhole (17) at the center of key (15) outside, interior key axle (18) passes the outer keyhole (17) on the outer key (15), interior key (14) externally key (15) do rotation with one heart mutually.

2, inside and outside binodal alternate angle safety lock according to claim 1, it is characterized in that interlock (5) is to be made of interlocking pellet shot from a slingshot (7) and spring (8), one interlocking slope groove (9) is arranged on the circumferential periphery of outer lock core (4) and internal cylinder (3) bonding surface, half of interlocking pellet shot from a slingshot (7) is when the lock locking, fall within the interlocking slope groove (9), second half of interlocking pellet shot from a slingshot (7) is when the lock locking, fall in the interlocking semicircle orifice (10) of internal cylinder (3), interlocking pellet shot from a slingshot (7) can be after the relative internal cylinder (3) of outer lock core (4) rotates to an angle, rise to more than the lock core cylindrical along interlocking slope groove (9)

3, inside and outside binodal alternate angle safety lock according to claim 1 and 2, it is characterized in that being provided with synchronous tenon (11) on its lock core on internal cylinder (3) and end face that outer lock core (4) combines, another side is provided with the synchronous groove (12) that matches with tenon synchronously.

4, inside and outside binodal alternate angle safety lock according to claim 1 and 2 is characterized in that in addition, is set with a torsion spring (16) at the root part of handle of interior key axle (18), has certain torsion between key and the outer key in torsion spring (16) makes.