CN2407080Y

CN2407080Y - Adjustable coded lock

Info

Publication number: CN2407080Y
Application number: CN 99218238
Authority: CN
Inventors: 张剑庆
Original assignee: Individual
Current assignee: Chen Fuyang; Wang Beicheng; Zhang Jianqing
Priority date: 1999-07-28
Filing date: 1999-07-28
Publication date: 2000-11-22
Anticipated expiration: 2009-07-28

Abstract

The utility model relates to an antitheft cipher lock of which the cipher can be arbitrarily adjusted. The utility model comprises a key, three ring sheets arranged in a lock shell, a number aligning disc driving the three ring sheets, and a fixed disc with marks. When used and the cipher lock is needed to be opened, the number aligning disc has to be rotated according to a specified method, and a cabinet door can only be opened by respectively aligning known cipher numbers to marks on the fixed disc. When the cipher is required to be changed, a key has to be inserted and counterclockwise rotated with 90 DEG to release the three ring sheets, new cipher numbers are respectively aligned to the marks of the fixed disc according to the specified method, the key is clockwise rotated with 90 DEG to be taken out, and the cipher change is completed. When a lock shell cover is knocked off by violence, a safety board immediately blocks a notch of the lock shell, and the cabinet door can not be opened.

Description

The anti-theft puzzle lock of random adjustable cipher

The utility model relates to a kind of coded lock, relates in particular to a kind of anti-theft puzzle lock of random adjustable cipher.

Existing coded lock is by dialer, price fixing, conduit, ring plate etc. are formed.Referring to Fig. 1.Fig. 1 is the profile schematic diagram of existing coded lock.Wherein 1 is to dialer, and 2 for having the price fixing of mark, and 3 for being fixed on the conduit on the price fixing 2, and 4 is interior rotating ring, and 5 is the projection on the interior rotating ring 4, and 13 is the short slot on the interior rotating ring 4.6 is middle rotating ring, and 7 and 8 is the projection on the middle rotating ring 6, and 14 is the short slot on the middle rotating ring.12 for to be fixed on the screw rod on the dialer 1, and 9 for being fixed on the outer rotating ring on the screw rod 12, and 10 for being fixed on the screw on the outer rotating ring 9, and 11 for being fixed on the nut on the screw 10, and 15 is the short slot on the outer rotating ring 9.Clockwise rotate dialer 1, screw rod 12 and be fixed on screw rod 12 outer rotating ring 9 and on screw 10 also together with rotation, screw 10 drives projection 8 and rotates together with middle rotating ring 6, middle rotating ring 6 projectioies 7 drive projection 5 and rotate together with interior rotating ring 4, the The attracted numbers (not marking among the figure) that the short slot 13 of rotating ring 4 is aimed at when opening the door in making, at this moment the mark on the price fixing 2 is indicated to the scale value on the dialer 1, is first password number.Rotate counterclockwise dialer 1, the short slot 14 in making on the rotating ring 6 is aimed at The attracted numbers again, at this moment on the price fixing 2 mark indicated be second password to the scale value on the dialer 1.Clockwise rotate dialer 1 again, make the short slot 15 on the outer rotating ring 9 aim at The attracted numbers, at this moment the mark on the price fixing 2 is indicated is the 3rd password number to the scale value on the dialer 1.During this coded lock reversion, must change the position of the screw 10 on the outer rotating ring 9, (back out nut 11, take off screw 10, change another position, hole on the rotating ring 9 outside, fastening nut 11 again) operate cumbersome.The position, hole has only 10, and conversion password number is very limited, and the robber is easy to penetrate password.And be passive reversion, password can not arbitrarily be set.The robber be from striking inward the screw rod on the dialer 1 12 outdoors, be fixed on the outer rotating ring 9 of screw rod 12 and kink on conduit 3 middle rotating ring 6 and in rotating ring 4 all can fall, just lose the coded lock function.

The utility model provides a kind of anti-theft puzzle lock of random adjustable cipher, it can improve the structure of existing coded lock, rotating ring in main the improvement, in projection on rotating ring and the outer rotating ring with respect to the arbitrarily conversion of position (can compile 1,000,000 groups of above passwords) of short slot thus raising password precision, simplification reversion process.

According to above-mentioned purpose, the anti-theft puzzle lock of the random adjustable cipher that the utility model provides comprises that available key 16 handles the clutch that the garden tooth meshes outside fanning strip and the interior rotating ring in three ring plates of kinks on the conduit 18 of lock housing 17; The insurance institution that safeguard that can rotate on hold-down nut at lock housing notch place and reduction torsion spring etc. are formed.It is characterized in that above-mentioned clutch comprises that there is tooth in outer garden week, one end has step 19, the other end has garden groove 22, end face has

projection

21,31,25 and 30 respectively, the interior rotating

ring

28,24 and 29 that can on lock housing conduit 18, rotate, be stuck in the garden groove 22 by flexure strip 32, the outer rotating ring 23 that can rotate on the garden tooth 42 outside interior rotating ring is arranged between step 19 and flexure strip 32.Outer rotating ring has one for the short slot 38 of opening cabinet door usefulness, apart from its indentation, there of 135 °, 68 both sides riveted joint stator 33 is arranged, the band square hole 43 of hole rotation within it is housed and major diameter 44 is arranged and the spoon cover 34 of facet 60, and one end 41 be riveted on the outer rotating ring 23 the whippy fanning strip 39 that there are tooth 42 engagements of the outer garden of toothed arc convex 40 and interior rotating ring at the middle part or separate.Like this, as long as key 16 is inserted in the square hole 43 of spoon cover 34, rotate counterclockwise 90 °, make the projection 40 of fanning strip 39 break away from the outer garden of interior rotating ring tooth 42, at this moment rotate in rotating ring 23 endoporus outside interior rotating ring can reach on lock housing conduit 18, the projection on the promptly interior rotating ring is with respect to the arbitrarily conversion of position of the short slot 38 on the outer rotating ring 23.Again key 16 is clockwise rotated 90 ° of major diameters 44 that drive spoon cover 34 and promote fanning strip 39 ends 45, the outer garden of rotating ring tooth 42 and its engagement in the projection 40 of fanning strip is pressed to thereupon, at this moment interior rotating ring can not relatively rotate and be integral with outer rotating ring, finishes the reversion program.Thereby improve reversion password precision, simplify the reversion process.

The utility model provides a kind of anti-theft puzzle lock of random adjustable cipher, above-mentioned insurance institution comprises lock housing notch 45, be fixed on the nut 46 at lock housing notch place, can firmly be fixed on steady pin 48 on the lock housing at the safeguard 47 that rotates on the nut 46 and kink end hook on nut 46, the other end is pressed in the torsion spring 50 on safeguard 47 ends 49, safeguard 47 ends 49 have a projection 51 to withstand lock housing lid 52, like this, when lock housing lid 52 during by violence damage, former withstand on projection 51 on the lock housing lid 52 together with the other end 53 of safeguard 47 under the effect of torsion spring 50, block lock housing notch 45 middle parts, the cabinet door is not opened, thereby strengthen the tamper-proof function of coded lock.

By above-mentioned utility model content as can be known, advantage of the present utility model is to improve the ring plate structure.Such as the relative position of rotating ring projection in the random conversion, and increase insurance institution, thereby improved the reversion precision with outer rotating ring short slot, simplification reversion process, and strengthen tamper-proof function.

Below in conjunction with accompanying drawing preferred embodiment of the present invention is illustrated, so that summary of the invention of the present utility model is further understood.

Fig. 1 is the profile schematic diagram of existing coded lock.

Fig. 2 is an outline drawing of the present utility model.

Fig. 3 is the sectional view of lock housing parts among the utility model Fig. 2.

Fig. 4 for go to cover 52 among the utility model Fig. 3, the A of lock housing 17 and flexure strip 32 is to view.

Referring to Fig. 2, Fig. 3.Fig. 2 is an outline drawing of the present utility model, and Fig. 3 is the sectional view of lock housing parts among the utility model Fig. 2.Wherein 28 is interior rotating ring in the outer ring plate, and the boss 65 that can rotate in the endoporus 55 of the conduit 18 of lock housing 17 is arranged, and its endoporus is and screw rod 58 nut engaged 59 fastening to dialer 56 that when treating that its end play is fit to, usefulness latch 36 is fastening.Like this, rotate dialer 56, interior rotating ring 28 also rotates thereupon, and the projection 21 of one side will drive

kink projection

31 and 25 on the interior rotating ring 24 on the garden outside conduit 18 and also rotate thereupon.Projection 25 drives kink projection on the interior rotating ring 29 on the garden 30 outside conduit 18 and rotates.All there is the pad 26 of band ear spline to isolate in each is adjacent between the rotating ring.

Referring to Fig. 3, Fig. 4.Wherein 23 is outer rotating ring, its endoporus kink is outside interior rotating ring band tooth on the garden 42, the one side is the boss 19 of interior rotating ring, opposite side has the flexure strip 32 that is stuck in the interior rotating ring garden groove 22, outer rotating ring has for the short slot 38 of opening cabinet door usefulness, the stator 33 that riveted joint is arranged apart from its indentation, there both sides of 135 °, the band square hole 43 that hole within it rotates is housed and major diameter 44 is arranged and spoon cover 34 and one end 41 of facet 60 is riveted in the breach of outer rotating ring 23, the other end 45 is close to spoon and is overlapped the fanning strip 39 that there is a toothed arc convex 40 at 34 facet 60 middle parts.At this moment the outer garden of rotating ring tooth 42 in the projection 40 of fanning strip 39 is left, if the short slot 38 of three outer rotating rings 23 is all aimed at lock housing notch 45, again key 16 is inserted in the square hole 43 of spoon cover 34, enter simultaneously in the lock housing keyhole 61, interior rotating ring rotates between rotating ring 23 and the lock housing conduit 18 outside, be the reversion state: rotate counterclockwise to dialer 56 at least two circles, with the mark on first password that will enroll (promptly to the arbitrary scale value on the dialer) aligning price fixing 57, clockwise rotate again behind dialer 56 1 circles, with the mark on second password aligning price fixing 57 that will enroll, rotate counterclockwise again dialer 56, mark with on the 3rd password that will the enroll aligning price fixing 57 clockwise rotates key 90 ° again.At this moment key 16 drives spoon major diameter of cover 34 44 and promotes fanning strips 39 ends 45 together with toothed arc convex 40, the outer garden of rotating ring tooth 42 and its engagement in pressing to, and rotating ring all is integral with outer rotating ring in each like this.Take out key 16, the reversion process is finished.

If need to check the number and open the cabinet door, must rotate counterclockwise 56 liang of dialers more than the circle, with the mark on first password aligning price fixing 57, clockwise rotate behind dialer 56 1 circle second password being aimed at the mark on the price fixing 57, rotate counterclockwise dialer 56, with the mark on the 3rd the password aligning price fixing, at this moment the short slot 38 of three outer rotating rings all will be aligned in lock housing notch 45 places again, plate when supplying to open the cabinet door enters its groove, and the cabinet door is opened.Referring to Fig. 2.Wherein 45 is the notch of

lock housing

17, and 46 is hold-down nut, and 47 is rotating safeguard on

nut

46, and 48 is steady pin, and 50 live steady pin 48 for kink end hook on nut 46, and the other end is pressed in the torsion spring on safeguard 47 ends 49.51 is the projection on safeguard 47 ends 49.52 is the lock housing cover plate.Like this, lock housing cover plate 52 is pushed down the projection 51 on safeguard 47 ends 49, and safeguard 47 other ends 53 are in the limit of lock housing notch 45 one.When cover plate 52 is washed out in violence, projection 51 on safeguard 47 ends 49 rotates counterclockwise under the effect of torsion spring 50, the other end 53 of safeguard 47 also turns to steady pin 48 thereupon, blocked lock housing notch 45, open entering of cabinet door plate thereby stop, the cabinet door is not opened, strengthen the tamper-proof function of coded lock.

Claims

1. the anti-theft puzzle lock of a random adjustable cipher, comprise available key (16) handle in three ring plates of kink on the conduit (18) of lock housing (17) fanning strip (39) respectively with three interior rotating rings (28), (24) and the clutch structure of the outer garden tooth (42) of (29) engagement and by hold-down nut (46), the insurance institution that safeguard (47) and reduction torsion spring (50) etc. are formed is characterized in that above-mentioned clutch comprises that tooth is arranged in outer garden week, one end has step (19), the other end has garden groove (22) and projection (21) is arranged respectively, (31) and (25) and (30) and can go up three the interior rotating rings (28) that rotate at lock housing conduit (18), (24) reach (29); Can outside interior rotating ring, go up rotating ring (23) outside three that rotate by garden tooth (42), be stuck in the interior rotating ring garden groove (22) by flexure strip (32) respectively.The short slot (38) that plate entered when three outer rotating rings (23) circumference all had one to supply to open the cabinet door, 135 ° breach (68) is located the both sides riveted joint apart from its center stator (33), the band square hole (43) that hole within it rotates is housed and major diameter (44) is arranged and the spoon cover (34) and an end (41) of facet (60) are riveted in the breach of outer rotating ring (23), the whippy fanning strip (39) that the middle part has a toothed arc convex (40) to mesh or to separate with garden tooth (42) outside the interior rotating ring.

2. by the described anti-theft puzzle lock of claim 1, it is characterized in that the cross section of the working position of above-mentioned key (16) is square, can insert in the square hole (43) of spoon cover (34).

3. by the described anti-theft puzzle lock of claim 1, it is characterized in that above-mentioned spoon cover (34) has the major diameter (44) and the facet that separates with it (60) of outer garden tooth (42) engagement of promotion fanning strip (39) and interior rotating ring.

4. by the described anti-theft puzzle lock of claim 1, it is characterized in that the end (41) that is riveted on outer rotating ring (23) indentation, there is arranged in the above-mentioned fanning strip (39) and be close to the other end (45) that spoon overlaps the facet (60) of (34), there is the toothed arc convex (40) with outer garden tooth (42) engagement of interior rotating ring at its middle part.

5. by the described anti-theft puzzle lock of claim 1, it is characterized in that in above-mentioned three interior rotating rings outer garden tooth (42) being arranged all, one end has step (19), the other end has garden groove (22), interior rotating ring (28) end face has projection (21), interior rotating ring (24) both ends of the surface have projection (31) and (25), and interior rotating ring (29) end face has projection (30).

6. by the described anti-theft puzzle lock of claim 1, it is characterized in that above-mentioned flexure strip (32) is flat wound shape, can screw in the garden groove (22) of above-mentioned interior rotating ring, be used for the axial limiting of outer rotating ring (23).

7. by the described anti-theft puzzle lock of claim 1, it is characterized in that the above-mentioned safeguard (47) that can rotate have the end (53) that can block lock housing notch (45) on hold-down nut (46), the other end (49) has a projection (51).