CN202152570U

CN202152570U - Highly-safe coded lock with high safety

Info

Publication number: CN202152570U
Application number: CN2011202404976U
Authority: CN
Inventors: 梁天祐
Original assignee: HUIZHOU QIHUA HARDWARE CO Ltd
Current assignee: HUIZHOU QIHUA HARDWARE CO Ltd
Priority date: 2011-07-09
Filing date: 2011-07-09
Publication date: 2012-02-29
Anticipated expiration: 2021-07-09

Abstract

The utility model provides a highly-safe coded lock. The coded lock comprises a lock shell, a dial plate, a plurality of lock plates, a lock catch mechanism and a lock hook, wherein the dial plate is dialed to enable that the lock plates rotate to a right position, and the lock catch mechanism rotates to be separated from the buckling to the lock hook, so as to unlock. The coded lock is characterized in that the lock catch mechanism comprises a ratable lock catch, a spring bolt buckled with the lock catch, and an elastic mechanism, wherein the elastic mechanism is matched with the lock catch and the spring bolt; the elastic mechanism can enable the rotated lock catch during the unlocking to reset and the moved spring bolt under the extrusion of the lock hook during the locking to reset, so that the lock is locked again as long as the lock hook is downwardly pressed into a lock hole; meanwhile, a fork sheet with a dial tail is arranged at the tail part of the lock hook, the dial tail of the fork sheet dials the lock plates into a messy state when the lock hook is upwardly bounced or pulled, so that the lock plates are not needed to be dialed into the messy state only by the dial plate after the lock is locked, the design is ingenious, and the use is convenient and quick; in addition, a safe pit is further arranged to enhance the anti-theft property, therefore, the coded lock provided by the utility model can be extensively applied to various indoor and outdoor doors or cupboards.

Description

A kind of safe coded lock

Technical field

The utility model relates to a kind of coded lock, specifically is a kind of safe coded lock.

Background technology

In existing technology; The coded lock that need not to wear key is by widespread usage; Present coded lock is to be designed to digital rotating disk mostly, and how many digital password this coded lock is provided with, on the coded lock with regard to how many digital rotating disks of relative set; After rotating each digital rotating disk to tram, can unblank; But this coded lock is because the password number is too obvious, so the problem that exists its password to be stolen easily, and promptly the stealer can rotate digital rotating disk limit pulling tapered end through the limit and can try out password.In order to increase the difficulty that password is tried out, so be provided with more multiple digital rotating disk, promptly increase numerical ciphers, but so design makes not only structure too complicated, makes its cost high, and increased the volume of coded lock.

And the mechanical cipher type padlock of the patent No. CN89202152.7 that Patent Office of the People's Republic of China has announced; Be characterized in a letter disk being set on lock shell surface; Letter disk is connected with the interior some locking plates of lock shell, through rotating letter disk locking plate is rotated, and locking plate is provided with breach; When the breach that rotates letter disk to all locking plates was all aimed at snap close, lock ring rose release automatically.Because locking plate is hidden in the lock shell, so its quantity can't learn that the probability that therefore tries out password through the rotation letter disk reduces greatly, and then has improved confidentiality.But when this coded lock needs locking once more after unblanking; Need to keep password be in correct position, not then can't locking, do not need hand live lock ring when buckling lock ring; The another hand rotates letter disk then; Unclamp lock ring after inner locking plate position is upset, lock ring just can be stuck, and its operation is trouble comparatively.

Summary of the invention

To above-mentioned existing in prior technology problem, it is ingenious that the purpose of the utility model provides a kind of design, safe coded lock flexible and applied widely easy to use.

For achieving the above object; The technical scheme that the utility model adopted is: a kind of safe coded lock; Comprise the lock shell, be positioned at the anterior letter disk of lock shell, through letter disk can drive some locking plates of rotation, the rotating latching device that cooperates with locking plate and with the latch hook of latching device fastening; Said latching device rotates and breaks away from the fastening of latch hook is realized unblanking when making all locking plates all forward the tram to through the rotation letter disk; Be characterized in dead bolt and elastic construction that latching device comprises rotating snap close, fastens with latch hook; Said elastic construction cooperates with snap close and dead bolt respectively, and the dead bolt that has been shifted by the latch hook extruding can make the snap close that has been rotated when unblanking reset with locking through said elastic construction the time resets.

Wherein, One sidepiece of above-mentioned snap close is provided with to the pintle that extends below; The tail end of said pintle withstands on the edge of above-mentioned locking plate; The edge of said locking plate is provided with breach, through rotate letter disk when making the breach of all locking plates all aim at the pintle of snap close above-mentioned latch hook pop up or pull-up and pintle snap in the breach.

Rotatable in order to realize snap close; The middle part of above-mentioned snap close is provided with through hole; Realize that snap close is rotatably mounted to and lock in the shell through being provided with that through hole is passed in a rotating shaft and being connected with the lock shell; Above-mentioned dead bolt is installed on the other side of snap close, and dead bolt unclamped the fastening of latch hook and realizes unblanking when the pintle of said snap close snapped in the breach.Further after rotating, snap close can reset through elastic construction in order to realize; Above-mentioned snap close is provided with mounting groove; Above-mentioned and elastic construction snap fit is designed to the bar shaped catapult; Said bar shaped catapult one end is connected in the mounting groove of snap close, and the other end is connected in lock-shell lining, can from the breach of locking plate, upspring automatically and resets through said bar shaped catapult can realize the unblanking pintle of rear catch.

In order to realize dead bolt ability transversal stretching; The above-mentioned elastic construction that cooperates with dead bolt is the compression spring that is arranged at the dead bolt rear end; But above-mentioned snap close is provided with the voltage supply shrinkage pool that spring and dead bolt install that contracts, and can under resilient force, outwards eject to reset automatically after in the horizontal retraction shrinkage pool of extruding dead bolt in the time of can making latch hook be pressed in the lockhole through said latch bolt spring and realize locking.

In order further to guarantee the security performance of this coded lock, the lockhole place that the lock shell is aimed in above-mentioned dead bolt upper surface is provided with safe hole, can prevent that through said safe hole inserting lockhole with foil opens latch hook.

When unblanking, upset locking plate in order to make this coded lock; Rotate the operation that letter disk is upset locking plate after saving locking again; The tail end of above-mentioned latch hook is provided with the fork sheet; Said fork sheet is provided with dials tail, and said latch hook pops up or the dialling tail and can stir locking plate and locking plate is upset in proper order of fork sheet pull-up the time.

The structure that dead bolt that the utility model owing to adopt fastens by rotating snap close, with latch hook and elastic construction are formed latching device; And elastic construction is cooperated with snap close and latch hook respectively; The dead bolt that has been shifted by the latch hook extruding can make the snap close that has been rotated when unblanking reset with locking through elastic construction the time resets, so locking once more, only need press downward to latch hook in the lockhole and can realize locking; It is just lockable to need not to rotate letter disk to proper password; And also need not to pin behind the latch hook that locking plate is upset is just lockable through rotating letter disk during locking, it is simple to operate, high safety; Be provided with safe hole owing to aim at the lockhole place of locking shell again in the dead bolt upper surface; Foil can be absorbed in the safety hole when his human foil inserted lockhole; Can't extend into the inner latch hook of opening, guarantee also can't open this coded lock, improve the security performance of this coded lock greatly with other means.In sum, the safe coded lock of the utility model, its design is ingenious, convenient to use, and theftproof performance is strong, can be widely used on the various indoor doors outward or on the cupboard.

Below in conjunction with accompanying drawing and embodiment the utility model is described further.

Description of drawings

Fig. 1 is the perspective view of the utility model.

Fig. 2 is the decomposition texture sketch map of the utility model.

Fig. 3 is that the utility model rotates the internal construction sketch map of letter disk to password when correct.

Internal construction sketch map when Fig. 4 is the pull-up of the utility model rotation latch hook.

Fig. 5 is the internal construction sketch map after the utility model rotates the latch hook pull-up.

Fig. 6 is that the utility model rotates the internal construction sketch map of latch hook when being pressed into.

Fig. 7 is that the utility model rotates the internal construction sketch map after latch hook is pressed into.

The specific embodiment

Extremely shown in Figure 7 like Fig. 1; A kind of safe coded lock; The latch hook 4 that comprises lock shell 1, is positioned at the anterior letter disk 2 of lock shell 1, can drive some locking plates 3 of rotation, the rotating latching device that cooperates with locking plate 3 and fasten through letter disk 2 with latching device, through rotate letter disk 2 when making locking plate 3 all forward the tram to latching device rotate and break away from the fastening of latch hook 4 is realized unblanking, wherein latching device comprises rotating snap close 5, and the dead bolt 6 and the elastic construction 7 of latch hook 4 fastenings; Elastic construction 7 cooperates with snap close 5 and dead bolt 6 respectively; The dead bolt 6 that has been shifted by latch hook 4 extruding in the time of can making the snap close 5 that has been rotated when unblanking reset with locking through this elastic construction 7 resets, so locking once more, only need press downward to latch hook 4 in the lockhole and can realize locking; It is just lockable to need not to rotate letter disk 2 to proper password; And that locking plate 3 is upset is just lockable through rotating letter disk 2 also to need not to pin latch hook 4 backs during locking, and it is simple to operate, high safety.

As shown in Figure 2; Snap close 5 one sidepieces of this embodiment are provided with to the pintle that extends below 51, and under the situation of locking and password bad, the tail end of pintle 51 withstands on the edge of locking plate 3; The locking plate 3 of this embodiment is provided with three altogether; Be equipped with protruding nail 32 on the positive and negative of locking plate 3, wherein locking plate 3 front ends in the place ahead also are provided with teeth 33, and the inner correspondence of this letter disk 2 also is provided with teeth; The teeth of assembling back letter disk 2 can be meshed with the teeth 33 of the place ahead locking plate 3; Rotate synchronously so can drive the locking plate 3 in the place ahead during rotation letter disk 2, when turning to a certain position, the protruding nail 32 of the reverse side of the place ahead locking plate 3 can contact and locking plate 3 rotations in the middle of driving with the positive protruding nail 32 of middle locking plate 3; When being rotated further letter disk 2 and arriving another position again, the protruding nail 32 of the reverse side of middle locking plate 3 can drive rear locking plate 3 with positive protruding nail 32 contacts of rear locking plate 3 and rotate.This embodiment is provided with breach 31 on the edge of each locking plate 3, this breach 31 is bigger slightly than pintle 51, through rotate letter disk 2 when making the breach 31 of locking plate 3 all aim at the pintle 51 of snap close 5 latch hook 4 can pop up or pull-up and pintle 51 snap in the breach 31.Be provided with through hole 52 at the middle part of snap close 5; Pass through hole 52 and is connected through a rotating shaft 8 and realize that snap close 5 is rotatably mounted to and lock in the shell 1 with lock shell 1; Dead bolt 6 is installed on the other side of snap close 5; Dead bolt 6 unclamped the fastening of latch hook 4 and realizes unblanking when the pintle 51 of snap close 5 snapped in the breach 31; On snap close 5, be provided with mounting groove 53, the elastic construction 7 that cooperates with snap close 5 is designed to bar shaped catapult 71, and bar shaped catapult 71 1 ends are connected in the mounting groove 53 of snap close 5; The other end is connected in lock shell 1 inwall; Can from the breach 31 of locking plate 3, upspring automatically and reset through bar shaped catapult 71 can realize the unblanking pintle 51 of rear catch 5, the elastic construction 7 that this embodiment cooperates with dead bolt 6 is for being arranged at the compression spring 72 of dead bolt 6 rear ends, but snap close 5 is provided with the voltage supply shrinkage pool that spring 72 and dead bolt 6 install that contracts; Can under resilient force, outwards eject to reset automatically after pushing in the dead bolt 6 horizontal retraction shrinkage pools in the time of can making latch hook 4 be pressed in the lockhole through compression spring 72 and realize locking; The upper surface of this dead bolt 6 is designed to the cambered surface 61 under oblique, and the gib head bottom of latch hook 4 is designed to inclined-plane 41, and dead bolt 6 was laterally in the above-mentioned shrinkage pool of retraction when the design through inclined-plane 41 and cambered surface 61 can make latch hook 4 be pressed into lockhole.In order further to guarantee the security performance of this coded lock, this embodiment aims at lock shell 1 in dead bolt 6 upper surfaces lockhole place is provided with safety hole 62, can prevent that through safety hole 62 inserting lockhole with foil opens latch hook 4.The tail end of the latch hook 4 of this embodiment is provided with fork sheet 9; Fork sheet 9 is provided with dials tail 91; Latch hook 4 pops up or the dialling tail 91 and can stir locking plate 3 and locking plate 3 orders are upset of pull-up time fork sheet 9, and the tail end of this latch hook 4 is provided with circular recess 42, and fork sheet 9 is provided with U-shaped breach 92; Through this U-shaped breach 92 be inserted into realize in the circular recess 42 fork sheet 9 be connected with latch hook 4; This group tail 91 is designed to downward-sloping plates, dial tail 91 be positioned at fork sheet 9 a side and with the 9 one-body molded designs of fork sheet, this group tail 91 is through the protruding nail 32 of the reverse side of stirring rear locking plate 3 locking plate 3 positions in rear to be upset.

Input password before unblanking: (or counterclockwise) rotates letter disk 2 at least three circles earlier clockwise; This moment, three locking plates 3 all can be along with letter disk 2 rotates together; Then letter disk 2 is rested on the position of first password figure, the breach 31 of rear locking plate 3 aligns with the pintle 51 of snap close 5 at this moment; Again counterclockwise (or clockwise) rotate letter disk 2, guarantee that rear locking plate 3 is slack, slewing area can not surpass a circle, and makes letter disk 2 rest on the position of second password figure, the breach 31 of locking plate 3 also aligned with the pintle 51 of snap close 5 in the middle of be positioned in this moment; (or counterclockwise) rotates letter disk 2 then clockwise; Locking plate 3 stops to be ignorant of with rear locking plate 3 in the middle of guaranteeing, slewing area can not surpass a circle, and makes letter disk 2 rest on the position of the 3rd password figure; The breach 31 that be positioned at the place ahead locking plate 3 this moment also aligns with the pintle 51 of snap close 5; So far, the breach 31 of three locking plates 3 all aligns with the pintle 51 of snap close 5, and is as shown in Figure 3.Unblank: if the tail end bottom of latch hook 4 is provided with spring; Latch hook 4 can pop up; Latch hook 4 tail ends of this embodiment are not established spring, so available hand is pulled upwardly latch hook 4, this moment is because the breach 31 of all locking plates 3 all faces toward pintle 51; Pintle 51 can not receive stopping of locking plate 3 edges; So the gib head of latch hook 3 can drive with the dead bolt 6 of its fastening and snap close 58 rotations around the shaft that are connected with dead bolt 6 and pintle 51 is absorbed in the

breach

31,71 flexural deformations of bar shaped this moment catapult produce elastic force, and are as shown in Figure 4; When the gib head of latch hook 4 broke away from dead bolt 6 fully, the resistance of bar shaped catapult 71 was removed and elastic return, and snap close 5 went back to again under the 71 elastic restoring force effects of bar shaped catapult with dead bolt 6 and resetted this moment; Be that pintle 51 lifts from breach; Along with latch hook 4 continues to pop up or pull-up, group tail 91 of latch hook 4 tail ends fork sheet 9 can be stirred the protruding nail 32 of reverse side of rear locking plate 3 simultaneously, thereby rear locking plate 3 is rotated; The breach 31 of locking plate 3 departs from pintle 51 positions of snap close 5, and is as shown in Figure 5.Locking: when latch hook 4 presses downward to lockhole, the inclined-plane 41 of the gib head lower end of latch hook 4 and cambered surface 61 mutual extrusion of dead bolt 6, thus making dead bolt 6 retraction in the shrinkage pool of snap close 5, this moment, the compression spring 72 at dead bolt 6 rears was compressed the generation elastic force, and is as shown in Figure 6; When the button bit that continues to be moved downward to its gib head when latch hook 4 was aimed at dead bolt 6, the resistance of compression spring 72 was removed and elastic return, and this moment, dead bolt 6 was protruding and fasten again with the button bit of latch hook 4 under resilient force, accomplished lock operation, and is as shown in Figure 7.Because the breach 31 of rear locking plate 3 has staggered with the pintle 51 of snap close 5; So when thinking once more pull-up latch hook 4 after the locking, the pintle 51 of snap close 5 stops because of rear locking plate 3 edges, so can't be absorbed in the breach 31; Be that snap close 5 all can't rotate with dead bolt 6; Dead bolt 6 keeps fastening with latch hook 4 and can't unblanking, so need not after the locking through rotating letter disk 2 inner locking plate 3 positions to be upset, thereby can prevent to have forgotten to upset locking plate 3 after some forgetful people's locking and unblanked easily by other people.

Although the utility model is to describe with reference to specific embodiment, this description does not also mean that the restriction of the utility model formation.With reference to the description of the utility model, other of the disclosed embodiments change, and all can expect to those skilled in the art, and this variation should belong in the affiliated claim institute restricted portion.

Claims

1. safe coded lock; Comprise lock shell (1), be positioned at the anterior letter disk (2) of lock shell (1), through letter disk (2) can drive some locking plates (3) of rotation, the rotating latching device that cooperates with locking plate (3) and with the latch hook (4) of latching device fastening; Through rotate letter disk (2) make all locking plates (3) when all forwarding the tram to said latching device rotate and break away from the fastening of latch hook (4) is realized unblanking; It is characterized in that dead bolt (6) and elastic construction (7) that said latching device comprises rotating snap close (5), fastens with latch hook (4); Said elastic construction (7) cooperates with snap close (5) and dead bolt (6) respectively, and the dead bolt (6) that has been shifted by latch hook (4) extruding can make the snap close (5) that has been rotated when unblanking reset with locking through said elastic construction (7) time resets.

2. safe coded lock according to claim 1; A sidepiece that it is characterized in that above-mentioned snap close (5) is provided with to the pintle that extends below (51); The tail end of said pintle (51) withstands on the edge of above-mentioned locking plate (3); The edge of said locking plate (3) is provided with breach (31), through rotate letter disk (2) when making the breach (31) of all locking plates (3) all aim at the pintle (51) of snap close (5) above-mentioned latch hook (4) can pop up or pull-up and pintle (51) snap in the breach (31).

3. safe coded lock according to claim 2; The middle part that it is characterized in that above-mentioned snap close (5) is provided with through hole (52); Realize that snap close (5) is rotatably mounted to and lock in the shell (1) through being provided with that through hole (52) is passed in a rotating shaft (8) and being connected with lock shell (1); Above-mentioned dead bolt (6) is installed on the other side of snap close (5), and dead bolt (6) unclamped the fastening of latch hook (4) and realizes unblanking when the pintle (51) of said snap close (5) snapped in the breach (31).

4. safe coded lock according to claim 2; It is characterized in that above-mentioned snap close (5) is provided with mounting groove (53); The above-mentioned elastic construction (7) that cooperates with snap close (5) is designed to bar shaped catapult (71); Said bar shaped catapult (71) one ends are connected in the mounting groove (53) of snap close (5); The other end is connected in lock shell (1) inwall, can from the breach (31) of locking plate (3), upspring automatically and resets through said bar shaped catapult (71) can realize the unblanking pintle (51) of rear catch (5).

5. safe coded lock according to claim 1; It is characterized in that the above-mentioned elastic construction (7) that cooperates with dead bolt (6) is for being arranged at the compression spring (72) of dead bolt (6) rear end; Above-mentioned snap close (5) but be provided with the voltage supply shrinkage pool that spring (72) and dead bolt (6) install that contracts, extruding dead bolt (6) can outwards eject to reset automatically under resilient force after laterally in the retraction shrinkage pool and realize locking in the time of can making latch hook (4) be pressed in the lockhole through said compression spring (72).

6. safe coded lock according to claim 5; The upper surface that it is characterized in that above-mentioned dead bolt (6) is designed to the cambered surface (61) under oblique; The gib head bottom of above-mentioned latch hook (4) is designed to inclined-plane (41), and the design through inclined-plane (41) and cambered surface (61) can make latch hook (4) dead bolt (6) laterally in the above-mentioned shrinkage pool of retraction when being pressed into lockhole.

7. safe coded lock according to claim 6; The lockhole place that it is characterized in that above-mentioned dead bolt (6) upper surface aligning lock shell (1) is provided with safe hole (62), can prevent that through said safety hole (62) inserting lockhole with foil opens latch hook (4).

8. safe coded lock according to claim 1; The tail end that it is characterized in that above-mentioned latch hook (4) is provided with fork sheet (9); Said fork sheet (9) is provided with dials tail (91), and said latch hook (4) pops up or the dialling tail (91) and can stir locking plate (3) and locking plate (3) order is upset of fork sheet (9) pull-up the time.

9. safe coded lock according to claim 8; The tail end that it is characterized in that above-mentioned latch hook (4) is provided with circular recess (42); Above-mentioned fork sheet (9) is provided with U-shaped breach (92), is inserted into through this U-shaped breach (92) and realizes in the circular recess (42) that fork sheet (9) is connected with latch hook (4).

10. safe coded lock according to claim 8 is characterized in that above-mentioned group of tail (91) is designed to downward-sloping plates, said group of tail (91) be positioned at fork sheet (9) a side and with fork sheet (9) one-body molded design.