CN201649846U

CN201649846U - Double-core double-variable safety-deposit box lock

Info

Publication number: CN201649846U
Application number: CN201020156166XU
Authority: CN
Inventors: 胡方尧
Original assignee: Ningbo Yinfeng Industry & Trade Co Ltd
Current assignee: NINGBO DATER LOCK PRODUCTS CO., LTD.
Priority date: 2010-04-03
Filing date: 2010-04-03
Publication date: 2010-11-24
Anticipated expiration: 2020-04-03

Abstract

The utility model relates to a double-core double-variable safety-deposit box lock which comprises a lock casing, a lock cover, a lock tongue composed of a lock tongue tip and a lock tongue body, a front lock core and a rear lock core; a stopper, the front lock core, a blade column and the rear lock core are respectively arranged inside the lock casing in the length direction, wherein the blade column is vertically fixed at the bottom in the lock casing, the rotary front lock core and the rotary rear lock core are respectively spliced at the bottom in the lock casing, a plurality of front blades and a plurality of rear blades which are alternately overlapped are respectively sleeved on the blade column, the front lock core is positioned in a chamber formed in the manner of alternately overlapping the front blades and the rear blades, open slots for the front blades and open slots for the rear blades are respectively coincided to form a blade open slot, and a push device for pushing the lock tongue to make reciprocating motion is arranged at the lower end of the front lock core; spring devices are respectively between the front blades and the lock casing as well as between the rear blades and the lock casing; the safety-deposit box lock has the characteristics that the lock can be opened only when the front key and the rear key are simultaneously inserted in, therefore, the safety coefficient of the lock is high, and since the front blades and the rear blades are respectively arranged on the same blade column, the structure of the lock is simple; and the safety-deposit box lock belongs to the technical field of locks.

Description

The two variable lock for safe deposit box of twin-core

Technical field

The utility model belongs to lock technology field, relates to the two variable lock for safe deposit box of a kind of twin-core in particular.

Background technology

The lock of China's use at present on safe deposit box is the twin-core lock, and front and back lock core is provided with the vane group of the superimposed arrangement of independent separately grouping, seems loosely organized.The twin-core lock that also has is that back key insertion rear lock core turns an angle, and the rear blade of lock core hole before covering is moved away, and preceding key inserts opens lock.If but the blade that will cover on preceding lock core push aside, as long as key is just opened before inserting, this mode is the equal of the switch of a key in control lock, safety factor is not very high.

The utility model content

Key inserted the two variable lock for safe deposit box of the twin-core that just can unblank simultaneously before and after technical problem to be solved in the utility model provided a kind of safety factor height.

The technical scheme that the utility model is taked is: the two variable lock for safe deposit box of a kind of twin-core, the dead bolt, preceding lock core and the rear lock core that comprise lock housing, locking closure, form by dead bolt point and lock tongue body, described lock tongue body and lock housing length direction are placed and are positioned at the lock housing inner bottom part, dead bolt is most advanced and sophisticated to be risen, be provided with fixture block, preceding lock core, vane posts and rear lock core successively in the lock housing length direction, described fixture block places on the lock tongue body, the vane posts vertical fixing is in the lock housing inner bottom part, preceding lock core is plugged on lock housing inner bottom part and rotatable, and rear lock core is plugged on lock housing inner bottom part and rotatable.Described lock tongue body is provided with a stopper slot, and stopper slot is enclosed within on the vane posts with its coupling, and vane posts has limited the dead bolt transverse movement, has also limited the lengthwise movement of dead bolt within the specific limits.

Described fixture block and lock tongue body are one-body molded.

Be with the multi-disc front vane and the multi-disc rear blade that are stacked alternately on the described vane posts, the blade of preceding key control is a front vane, and the blade of back key control is a rear blade.Multi-disc front vane and multi-disc rear blade are all placed in the lock housing length direction, and preceding lock core is positioned at the multi-disc front vane and the multi-disc rear blade replaces between the cavity that forms.Multi-disc front vane and the multi-disc rear blade vane posts of all having mercy on is rotated; Preceding key and multi-disc front vane cooperate rotation, and back key and multi-disc rear blade cooperate rotation; Be equipped with the front vane open slot that fixture block is slipped on the multi-disc front vane, be equipped with the rear blade open slot that fixture block is slipped on the multi-disc rear blade, multi-disc front vane open slot and multi-disc rear blade open slot overlap and form the blade openings groove.

Key and multi-disc front vane cooperate and rotate before described, and lock core and being mated before preceding key can insert drives the multi-disc front vane during preceding key rotation and rotates, after the certain angle of current key turns, and one group of groove of the corresponding coincidence formation of multi-disc front vane open slot.

Described back key and multi-disc rear blade cooperate and rotate, and back key can insert rear lock core and be mated, and drive the multi-disc rear blade during back key rotation and rotate, after the certain angle of back key turns, one group of groove of multi-disc rear blade open slot correspondence coincidence formation.The coincidence of described two groups of grooves forms the blade openings groove.

Before the lock core lower end establish and can promote the thrust unit that dead bolt moves reciprocatingly, described thrust unit be preceding lock core lower end be provided with lock tongue body on the pin groove shape of drawing together match and can promote the pin of drawing together that lock tongue body moves reciprocatingly.When two groups of grooves coincidence formation obtained the blade openings groove, preceding lock core drove the pin of drawing together that backspin changes the drive lower end in the continuation rotation of preceding key, draws together the pin promotion and draws together the pin groove, make lock tongue body move, thereby fixture block snaps in the blade openings groove, and the dead bolt point slips in the lock housing, and lock is opened.The blade openings slot type does not overlap before and after during owing to lock, and therefore as long as the blade openings groove does not form, fixture block all can be blocked and can't move by the blade of correspondence.

Described multi-disc front vane and multi-disc rear blade are all and establish between the lock housing and suppress device.Suppressing device is to be equipped with the spring leaf that suppresses on lock-shell lining on the multi-disc front vane, is equipped with on many rear blades and suppresses at lock-shell lining upper spring sheet.Being equipped with like this be beneficial to blade after rotating certain angle can after go back to original position smoothly.Described multi-disc front vane and multi-disc rear blade are 7.

The beneficial effects of the utility model are: have only the front and back key to insert lock simultaneously and just can open, indispensable, lockset safety factor height, front and back blade are located on the same vane posts, and be simple in structure.

Description of drawings

Fig. 1 is the utility model master sectional view.

Fig. 2 is the utility model sectional view of bowing.

Fig. 3 is the utility model front vane schematic diagram.

Fig. 4 is the utility model rear blade schematic diagram.

Fig. 5 is the utility model dead bolt schematic diagram.

Among the figure: 10. lock housing, 20. locking closures, 30. dead bolts, 31. fixture blocks, 32. the dead bolt point, 33. lock tongue bodies, 34. draw together the pin groove, 35. stopper slots, 40. preceding lock core, 41. preceding keys, 42. front vanes, 43. spring leafs, 44. the front vane open slot, 45. draw together pin, 50. rear lock cores, 51. back key, 52. rear blades, 53. spring leafs, 54. the rear blade open slot, 60. vane posts, 70. blade openings grooves.

The specific embodiment

Below be a kind of preferred embodiment of the present utility model, but therefore do not limit protection domain of the present utility model.

As Fig. 1, Fig. 2, Fig. 3, Fig. 4, shown in Figure 5, the two variable lock for safe deposit box of a kind of twin-core, comprise lock housing 10, locking closure 20, the dead bolt of forming by dead bolt point 32 and lock tongue body 33 30, preceding lock core 40 and rear lock core 50, described lock tongue body 33 is with the placement of lock housing 10 length directions and be positioned at lock housing 10 inner bottom parts, dead bolt point 32 ends rise, be provided with fixture block 31 successively in lock housing 10 length directions, preceding lock core 40, vane posts 60 and rear lock core 50, described fixture block 31 places on the lock tongue body 33, vane posts 60 vertical fixing are in lock housing 10 inner bottom parts, preceding lock core 40 is plugged on lock housing 10 inner bottom parts and rotatable, and rear lock core 50 is plugged on lock housing 10 inner bottom parts and rotatable; Be with the multi-disc front vane 42 and the multi-disc rear blade 52 that are stacked alternately on the vane posts 60, multi-disc front vane 42 and multi-disc rear blade 52 are all placed in lock housing 10 length directions, before lock core 40 be positioned between the cavity that multi-disc front vane 42 and multi-disc rear blade 52 alternately form, multi-disc front vane 42 and multi-disc rear blade 52 vane posts 60 of all having mercy on is rotated; Preceding key 41 and multi-disc front vane 42 cooperate rotation, and back key 51 and multi-disc rear blade 52 cooperate rotation; Be equipped with the front vane open slot 44 that fixture block 31 is slipped on the multi-disc front vane 42, be equipped with the rear blade open slot 54 that fixture block 31 is slipped on the multi-disc rear blade 52, multi-disc front vane open slot 44 and multi-disc rear blade open slot 54 overlap and form blade openings groove 70; Establish thrust unit between preceding lock core 40 and the lock tongue body 33; Multi-disc front vane 42 and multi-disc rear blade 52 are all and establish between the lock housing 10 and suppress device.

Described thrust unit be preceding lock core 40 lower ends be provided with lock tongue body 33 on draw together pin groove 34 shapes match and can promote that lock tongue body 33 moves reciprocatingly draw together pin 45.

The described device that suppresses is to be equipped with the spring leaf 43 that suppresses on lock housing 10 inwalls on the multi-disc front vane 42, is equipped with on many rear blades 52 and suppresses at lock housing 10 inwall upper spring sheets 53.

Described fixture block 31 and lock tongue body 33 are one-body molded, perhaps welding.

The situation of locking is that multi-disc front vane open slot does not overlap, and multi-disc rear blade open slot does not overlap yet, and is to intersect in the mistake between the blade of front and back, so fixture block 31 is stuck and can't moves, and lock can not be opened.

Key 41 and back key 51 before the user unblanks, and at first must have insert associated preceding lock core 40 with preceding key 41 then, and back key 51 is inserted associated rear lock core 50.Preceding key 41 rotates and drives 42 rotations of multi-disc front vanes, and after current key 41 rotated a certain angle, multi-disc front vane open slot overlapped formation one groove, in like manner can get multi-disc rear blade open slot and also overlap formation one groove, and two grooves overlap formation blade openings groove 70.Lock core 40 rotated before this moment, key 41 drove before the rotation again, and drawing together pin 45 and will promoting to draw together pin groove 34 with its shape matches of preceding lock core 40 lower ends snaps in blade openings groove 70 thereby promote fixture block 31, and dead bolt point 32 slips in the inner casing 10, and lock is opened.Therefore one before and after having in the key is opening lock.Described in addition multi-disc front vane 42 and multi-disc rear blade 52 are 7, and this can just come to determine the quantity of blade according to key bit and safety.

Determine a kind of back key 51 profiles of tooth, the profile of tooth of key 41 before having determined 10 kinds, combination between them will be 10 different locks, administrative staff give 10 people's keepings with the preceding key 41 of 10 different locks, as long as key 51 just can be controlled this 10 locks after oneself having this, lock just can be opened when lock inserted lock simultaneously before and after therefore having only, and also brought convenience to management when guaranteeing the lock safety.

Claims

1. two variable lock for safe deposit box of a twin-core, comprise lock housing (10), locking closure (20), the dead bolt of forming by dead bolt point (32) and lock tongue body (33) (30), preceding lock core (40) and rear lock core (50), described lock tongue body (33) is in the placement of lock housing (10) length direction and be positioned at lock housing (10) inner bottom part, it is characterized in that: be provided with fixture block (31) successively in lock housing (10) inner length direction, preceding lock core (40), vane posts (60) and rear lock core (50), described fixture block (31) places on the lock tongue body (33), vane posts (60) vertical fixing is in lock housing (10) inner bottom part, lock housing (10) inner bottom part pegging graft rotating before lock core (40) and rear lock core (50); Be with the multi-disc front vane (42) and the multi-disc rear blade (52) that are stacked alternately on the vane posts (60), multi-disc front vane (42) and multi-disc rear blade (52) are all placed in lock housing (10) length direction, preceding lock core (40) is positioned at multi-disc front vane (42) and multi-disc rear blade (52) replaces between the cavity that forms, and multi-disc front vane (42) and multi-disc rear blade (52) all can rotate around vane posts (60); Preceding key (41) and multi-disc front vane (42) cooperate rotation, and back key (51) and multi-disc rear blade (52) cooperate rotation; Be equipped with the front vane open slot (44) that fixture block (31) is slipped on the multi-disc front vane (42), be equipped with the rear blade open slot (54) that fixture block (31) is slipped on the multi-disc rear blade (52), multi-disc front vane open slot (44) and multi-disc rear blade open slot (54) overlap and form blade openings groove (70), and preceding lock core (40) lower end is established and can be promoted the thrust unit that dead bolt (30) moves reciprocatingly; Multi-disc front vane (42) and multi-disc rear blade (52) are all and establish between the lock housing (10) and suppress device.

2. the two variable lock for safe deposit box of twin-core according to claim 1 is characterized in that: described thrust unit be preceding lock core (40) lower end be provided with lock tongue body (33) on draw together pin groove (34) shape match and can promote that dead bolt (30) moves reciprocatingly draw together pin (45).

3. the two variable lock for safe deposit box of twin-core according to claim 1, it is characterized in that: the described device that suppresses is to be equipped with the spring leaf (43) that suppresses on lock housing (10) inwall on the multi-disc front vane (42), is equipped with on the multi-disc rear blade (52) and suppresses at lock housing (10) inwall upper spring sheet (53).

4. the two variable lock for safe deposit box of twin-core according to claim 1, it is characterized in that: described multi-disc front vane (42) and multi-disc rear blade (52) are 7.

5. the two variable lock for safe deposit box of twin-core according to claim 1, it is characterized in that: described fixture block (31) and lock tongue body (33) are one-body molded.