CN113503094B

CN113503094B - Coded lock structure

Info

Publication number: CN113503094B
Application number: CN202110801684.5A
Authority: CN
Inventors: 韩文杰; 王壤
Original assignee: Ningbo Wangtong Locks Co Ltd
Current assignee: Ningbo Wangtong Locks Co Ltd
Priority date: 2021-07-15
Filing date: 2021-07-15
Publication date: 2022-12-30
Anticipated expiration: 2041-07-15
Also published as: CN113503094A

Abstract

The invention discloses a coded lock structure which comprises a knob coded mechanism, a lock shell and a lock body mechanism, wherein the knob coded mechanism comprises knobs, a twisting disc and a lock disc, the knobs are arranged in a double-row parallel mode, the knobs are sleeved with the twisting disc and the lock disc, the lock body mechanism comprises an unlocking module, the unlocking module comprises linkage pieces and an unlocking push rod, the linkage pieces are elastically abutted to the lock disc, the unlocking push rod is clamped to the linkage pieces in a locking state, the linkage pieces are movably clamped to the lock disc in a clamping mode when the passwords are correct, and the linkage pieces release the unlocking push rod under the action of elastic force to complete unlocking.

Description

Coded lock structure

Technical Field

The invention relates to the field of coded locks, in particular to a coded lock structure.

Background

In the prior art, mechanical coded locks are mostly in a button type, a dial wheel type and a knob type or a combination of a plurality of types, but are all in a single-row locking structure, the single-row locking structure is simple in structure, but a multi-bit complex combined code with overlong length cannot be used due to the problem of material strength. When the knob type and dial wheel type coded locks dial the code wheels, the debugging hand feeling and the sound are obviously different under the states of correct codes and wrong codes, trial codes are easily leaked, and the single-row type lock cylinder is easily misplaced after being impacted, so that the lock body cannot be opened or automatically opened and the like.

Disclosure of Invention

Aiming at the defects in the prior art, the invention discloses a coded lock structure which is convenient to use, can be provided with a plurality of rows of multi-digit codes and increases the difficulty of brute force cracking of the coded lock. Particularly, a trick lock structure is provided and is included knob trick mechanism, lock shell and lock body mechanism, knob trick mechanism include knob, twist disk and lock dish, the knob be double parallel setting, the knob with twist disk and lock dish cup joint, lock body mechanism include the unblock module, the unblock module include linkage piece and unblock push rod, the linkage piece with lock dish elasticity butt, during the lock-out state, unblock push rod joint in the linkage piece, under the password right state the linkage piece remove the joint in the lock dish, the linkage piece release under spring action the unblock push rod accomplish the unblock.

Preferably, the knob code mechanism further comprises a transmission shaft, one end of the transmission shaft is connected with the knob, and the other end of the transmission shaft is connected with the twisting disc.

Preferably, the lock dish be provided with lock dish axle, lock dish face, lock dish on convex surface and lock dish under convex surface, the lock dish on be provided with a plurality of reference columns of group, the reference column can the lock dish on the convex surface with the state of laminating of twist set peg graft down in the twist set, the circumference side of lock dish face be provided with the angular groove, the lock dish under the convex surface by the lock dish face spaced apart, the lock dish under the convex surface the circumference side be provided with a stifled commentaries on classics recess.

Preferably, the linkage piece set up unblock push rod both sides, the outside limit of two linkage pieces is provided with a plurality of angle respectively protrudingly, the angle protruding when the unblock state with the lock dish laminating, the vertical direction bottom surface of linkage piece be provided with the linkage recess, a plurality of the linkage recess with password update module cooperation, the linkage piece inboard side be provided with the inboard arch of a plurality of, inboard arch with the protruding cooperation locking of unblock the unblock push rod.

Preferably, still include password update module, password update module include clutch unit and adjustment unit, clutch unit include locating plate, reset push rod, reset connecting rod and separation and reunion connecting rod, locating plate upper surface butt the twist disk, locating plate bottom surface both sides be provided with the slope arch, the slope arch with separation and reunion connecting rod sliding fit.

Preferably, the reset push rod is sleeved with the reset connecting rod and the clutch connecting rod, the other end of the reset connecting rod is provided with a reset connecting rod spring for self resetting, both sides of the reset connecting rod are provided with a long crosspiece and a short crosspiece, and the short crosspiece is in sliding fit with the linkage sheet.

Preferably, the projection of the vertical direction of the clutch connecting rod is in an inverted L shape, a reverse slope bulge is arranged at the top of the clutch connecting rod in the horizontal direction, the reverse slope bulge is in lap joint with the slope bulge, and the end face of the clutch connecting rod in the horizontal direction is connected with the inner wall of the lock shell through a clutch connecting rod return spring.

Preferably, the adjusting unit comprises a limiting plate, a limiting push rod, a limiting lug and a lug spring, the limiting plate is provided with a plurality of elliptical sleeve holes respectively, the elliptical sleeve holes are sleeved on the lower convex surface of the lock disc in a sliding mode, and one end of the limiting push rod is connected to one end of the limiting plate through an inserting structure.

Preferably, the limiting plate be provided with T type groove, spacing lug slip joint in T type groove, the flat straight end of spacing lug pass through lug spring joint in the straight inner wall in T type groove on to the activity joint in the lock dish.

Compared with the prior art, the invention has the beneficial effects that: the password lock is more difficult to crack by arranging a plurality of rows of multi-digit passwords; the multi-spring buffer position is arranged, so that hand feeling and sound are not easy to sense when the unlocking is attempted any more; the protruding cooperation in many locks, single pole unidirectional sliding has strengthened lock body stability and ease for use, facilitates the use and maintains.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be discussed below, it is obvious that the technical solutions described in conjunction with the drawings are only some embodiments of the present invention, and for those skilled in the art, other embodiments and drawings can be obtained according to the embodiments shown in the drawings without creative efforts.

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is an overall assembly schematic of the present invention.

Fig. 3 is a schematic view of the knob portion of the present invention.

Fig. 4 is a schematic view of the adjusting mechanism of the present invention.

Fig. 5 is a schematic structural diagram of the resetting mechanism of the invention.

In the figure: the panel 1, the back shell 2, the knob 21, the rotating spring 221, the position-limiting bead 222, the transmission shaft 23, the twisting disc 24, the twisting disc shaft 241, the twisting disc face 242, the twisting disc face through hole 243, the twisting disc return spring 25, the locking disc 26, the locking disc shaft 261, the locking disc face 262, the locking disc upper convex face 263, the angle groove 2631, the locking disc lower convex face 264, the rotation-blocking groove 2641, the positioning column 265, the unlocking push rod 31, the linkage sheet 32, the angle projection 321, the linkage groove 322, the inner side projection 323, the spring positioning column 324, the positioning plate 41, the slope projection 43, the return push rod 5, the return connecting rod 51, the clutch connecting rod 52, the reverse slope projection 521, the position-limiting push rod 61, the position-limiting plate 62, the T-shaped groove 621, the position-limiting lug 63 and the lug spring 64.

Detailed Description

The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is to be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments described herein without the need for inventive work, are within the scope of the present invention.

The embodiment of the invention provides a coded lock structure, as shown in the attached drawings 1 to 5, a shell comprises a panel 1 and a back shell 2, knob positioning holes, sphere limiting grooves and threaded holes are arranged on the outer side of the panel 1, the knob positioning holes are through holes penetrating through the panel 1, 6 groups of knob positioning holes are used for inserting knobs 21, and 10 sphere limiting grooves are respectively arranged beside each group of knob positioning holes and uniformly surround the knob positioning holes. The screw holes are arranged at two ends of the panel 1 and are used for fixedly connecting the back shell 2 through screws. The panel 1 is provided with a reset hole. Panel 1 to the inboard be provided with spacing arch of draw-in groove, spacing strip, draw-in groove post and six oval spacing recesses of group, the spacing arch of draw-in groove set up in one end, with dorsal scale 2 assembly form the draw-in groove, spacing strip with spacing post be used for spacing internal mechanism. The outside both sides of dorsal scale 2 be provided with the installation ear and be used for installing at secret case box, wherein a side end is provided with the assembly square groove.

Still include knob code mechanism, knob code mechanism includes knob 21, rotating spring 221, screens pearl 222, transmission shaft 23, twist disk 24, reset spring and lock dish 26, knob 21 surface portrayed have the digital sign, the rear portion is provided with connects groove and spring hole soon, connect the groove cross-section soon for square, 23 one end of transmission shaft insert connect the groove soon connect, rotating spring 221 one end connect in the spring hole, the other end connect with screens pearl 222, elasticity makes during the rotation screens pearl 222 joint to in the spacing recess of spheroid nearby, it is clear that the registration of knob 21. The twist disk 24 be provided with twist disk axle 241, twist disk face 242 and twist disk 24 center, twist disk axle 241 set up in twist disk 24's upper surface and upper end portion cross-section for the rectangle, twist disk 24 centre bore be the indent round hole, twist disk face 242 be discoid, twist disk face 242 go up around twist disk 24 centre bore evenly be provided with 10 perpendicular to twist disk face through-hole 243. The transmission shaft 23 cup joint the torsion disc return spring 25 in, transmission shaft 23 one end connect the panel 1 outside connect the groove soon, the other end connect and be located panel 1 inboard torsion disc axle 241, torsion disc return spring 25 one end butt be in panel 1 inboard, one end butt in torsion disc face 242. Lock dish 26 include lock dish axle 261, lock dish face 262, lock dish convex surface 263 and lock dish convex surface 264 down, lock dish axle 261 for the axle cup joint twist dish 24 the centre bore in, lock dish on the convex surface 263 be provided with 6 groups of reference column 265, reference column 265 can lock dish on convex surface 263 with twist dish face 242 laminating state under peg graft in twist dish face through-hole 243, the circumference side of lock dish face 262 be provided with angular groove 2631, lock dish convex surface 264 down by lock dish face 262 spaced apart, the circumference side of lock dish convex surface 264 down be provided with a locked groove 2641.

The lock body mechanism include unblock module and password update module, the unblock module include unblock push rod 31 and linkage piece 32, unblock push rod 31 one end expose dorsal scale 2, unblock push rod 31 other end through reset locking spring with 2 internal connection of dorsal scale realize reseing, unblock push rod 31 both sides respectively set up 3 unblock archs. Linkage piece 32 set up unblock push rod 31 both sides, the outside limit of two linkage pieces 32 is provided with 3 angle protrudingly 321 respectively, angle protrudingly 321 when the unblock state with the laminating of angle groove 2631, the vertical direction bottom surface of linkage piece 32 be provided with

linkage recess

322,2 linkage recess 322 with password update module cooperation, linkage piece 32 medial surface be provided with 3 inboard archs 323, inboard protruding 323 with the protruding cooperation locking of unblock unlock push rod 31. The inner side of the linkage sheet 32 is further provided with opposite spring positioning posts 324, and a pushing spring is arranged between the pair of opposite spring positioning posts 324 and used for pushing the two linkage sheets 32 to move back and forth, so that the corner protrusion 321 is combined with the corner groove 2631.

The password updating module comprises a clutch unit and an adjusting unit, wherein the clutch unit comprises a positioning plate 41, a reset push rod 5, a reset connecting rod 51 and a clutch connecting rod 52. Locating plate 41 cup joint the panel 1 on the screens post in, two sets of locating plate 41 be provided with three positioning hole respectively, positioning hole be used for cup jointing the butt the lock dish 26, locating plate 41 upper surface butt turn round dish 24, locating plate 41 bottom surface both sides be provided with slope arch 43, slope arch 43 with separation and reunion connecting rod 52 sliding fit.

One end of the top of the reset push rod 5 is provided with a sliding bulge which protrudes out of the panel 1 and is sleeved in the reset hole in a sliding manner, and two ends and the center of the bottom of the reset push rod 5 are respectively provided with an interlocking rod. Reset connecting rod 51 one end be provided with the connecting hole, the connecting hole cup joint set up in reset push rod 5 center department the trace, reset connecting rod 51 other end be provided with reset connecting rod 51 spring for self resets, reset connecting rod 51 both sides be provided with long crosspiece and short crosspiece, 2 groups long crosspiece with linkage recess 322 sliding fit, 3 groups short crosspiece with inboard protruding 323 sliding fit. The projection of the clutch connecting rod 52 in the vertical direction is inverted L-shaped, wherein a positioning column 265 groove is formed in the vertical protruding end, the positioning column 265 groove is sleeved on the linkage rod, a reverse slope protrusion 521 is arranged at the top of the clutch connecting rod 52 in the horizontal direction, the reverse slope protrusion 521 is in lap joint with the slope protrusion 43, and the end face of the clutch connecting rod 52 in the horizontal direction is connected with the inner wall of the back shell 2 through a clutch connecting rod 52 return spring.

The adjusting unit comprises a limit plate 62, a limit push rod 61, a limit lug 63 and a lug spring 64.2 group the limiting plate 62 be provided with 3 oval trepanning respectively, oval trepanning slide and cup joint the lock dish under on the convex surface 264, limiting push rod 61 one end pass through the grafting structure connect in limiting plate 62 one end, protrusion in dorsal scale 2 on the assembly square groove. The other end of the limiting plate 62 is connected to the inner side wall of the back shell 2 through a return spring. Limiting plate 62 be provided with T type groove 621, T type groove 621 with oval trepanning link to each other, spacing lug 63 slip joint in T type groove 621, spacing lug 63 straight end pass through lug spring 64 joint in T type groove 621 straight inner wall, spacing lug 63 pass through T type groove 621 insert oval trepanning, the joint is in under the lock dish convex surface 264 on the cross-section be the rectangle stifled commentaries on classics recess 2641.

In a locked state: the lock disc 26 is inserted into the through hole 243 of the twist disc surface on the twist disc 24 through the positioning post 265 to generate rotary linkage, and the two sets of linkage pieces 32 can only slide and contact with the circumference of the lock disc surface 262 because the outer side corner protrusion 321 is not attached to the corner groove 2631. At this time, the linkage pieces 32 are in a minimum interval state, and the inner side protrusions 323 and the unlocking protrusions are clamped and locked, so that the unlocking push rod 31 cannot move.

An unlocking state: through twisting knob 21 to unblock password registration, through transmission shaft 23 drive the twist disk 24 with the coaxial rotation of lock dish 26, lock dish 26 rotate when correctly unblock password position the promotion spring promote linkage piece 32 back of the body motion, the protruding 321 joints of angle advance angle groove 2631, as whole 6 the protruding 321 laminating of angle groove 2631 after, 2 group the linkage piece 32 between be in the biggest state of interval, this moment inboard protruding 323 with the protruding separation of unblock, unblock push rod 31 can promote the completion unblock.

The password replacing function is realized in the following mode: when the lock body is in an unlocking state, the sliding protrusion is pushed, the reset push rod 5 slides and simultaneously drives the reset connecting rod 51 and the clutch connecting rod 52 to slide, the reverse slope protrusion 521 on the reset connecting rod 51 and the slope protrusion 43 slide relatively, the positioning plate 41 is lifted and slides upwards, meanwhile, the torsion plate 24 abutting against the upper surface of the positioning plate 41 rises, 6 positioning columns 265 and the torsion plate surface through hole 243 are separated in an inserting state, and the torsion plate 24 and the lock plate 26 are not linked any more.

At this time, the pushing rod of the limiting plate 62 is pushed to drive the limiting plate 62 to move, and the T-shaped groove 621 of the limiting plate 62 pushes the limiting protruding piece 63 to be inserted into the rotation blocking groove 2641, so that the lock disc 26 does not rotate any more.

At this time, the knob 21 is rotated, the knob 21 and the torsion disc 24 rotate together, but the lock disc 26 is in an unlocked state and no longer rotates along with the knob 21, after the knob 21 stops rotating, the limit push rod 61 and the return push rod 5 are loosened, after the limit push rod 61 is loosened, the return spring makes the limit push rod 61 and the limit plate 62 return, and meanwhile, the limit lug 63 is separated from the locked-rotor groove 2641; the reset connecting rod 51 and the clutch connecting rod 52 are reset under the action of the reset connecting rod 51 spring and the reset spring restoring force of the clutch connecting rod 52 respectively, and simultaneously drive the reset push rod 5 connected together to reset, the reverse slope protrusion 521 and the slope protrusion 43 slide and separate after the clutch connecting rod 52 moves, the reset spring pushes the torsion disc 24 to move downwards, the torsion disc 24 pushes the positioning plate 41 to descend, the 6 positioning columns 265 and the torsion disc surface through hole 243 recover the plugging state, the torsion disc 24 and the lock disc 26 can be rotationally linked again, at this moment, the indication number of the knob 21 is the new password of the modified lock body, and the lug spring 64 rebounds to separate the limit lug 63 from the lock disc 26.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive. The scope of the invention is indicated by the appended claims, rather than the foregoing description, and all changes that come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present specification describes embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and it is to be understood that all embodiments may be combined as appropriate by one of ordinary skill in the art to form other embodiments as will be apparent to those of skill in the art from the description herein.

Claims

1. The utility model provides a trick lock structure, includes knob trick mechanism, lock shell and lock body mechanism, its characterized in that: knob cipher mechanism include knob (21), twist disk (24) and lock dish (26), knob (21) be double parallel arrangement, knob (21) with twist disk (24) and lock dish (26) cup joint, lock body mechanism include the unblock module, the unblock module include linkage piece (32) and unblock push rod (31), linkage piece (32) with lock dish (26) elasticity butt, during the lock-out state, unblock push rod (31) joint in linkage piece (32), under the password right state linkage piece (32) remove the joint in lock dish (26), linkage piece (32) release under spring action unblock push rod (31) accomplish the unblock, still including the password update module, the password update module include clutch unit and adjustment unit, clutch unit include locating plate (41), reset push rod (5), reset connecting rod (51) and clutch connecting rod (52), locating plate (41) upper surface butt twist disk (24) upper surface twist disk (24), the protruding both sides slip direction of slope (43) and the protruding clutch connecting rod (41) of slope (41) and the protruding letter type of slope (43) of slip direction, reverse side face is provided with the protruding clutch connecting rod (43) of slope (521), the reverse slope protrusion (521) is overlapped with the slope protrusion (43), and the end face of the clutch connecting rod (52) in the horizontal direction is connected with the inner wall of the lock shell through a clutch connecting rod (52) return spring.

2. A combination lock construction according to claim 1, wherein: the knob code mechanism further comprises a transmission shaft (23), one end of the transmission shaft (23) is connected with the knob (21), and the other end of the transmission shaft is connected with the twisting disc (24).

3. A combination lock construction according to claim 1, wherein: lock dish (26) be provided with lock dish axle (261), lock dish face (262), lock dish and go up convex surface (263) and lock dish down convex surface (264), lock dish go up convex surface (263) on be provided with a plurality of groups reference column (265), reference column (265) can lock dish go up convex surface (263) with twist dish (24) laminating state under peg graft and be in twist dish (24) in, the circumference side of lock dish face (262) be provided with corner groove (2631), lock dish down convex surface (264) quilt lock dish face (262) spaced apart, the circumference side of lock dish convex surface (264) down be provided with one stifled commentaries on classics recess (2641).

4. A combination lock construction according to claim 1, wherein: linkage piece (32) set up unblock push rod (31) both sides, the outside limit of two linkage pieces (32) be provided with protruding (321) of a plurality of angle respectively, protruding (321) of angle when the unblock state with lock dish (26) laminating, the vertical direction bottom surface of linkage piece (32) be provided with linkage recess (322), a plurality of linkage recess (322) with password update module cooperation, linkage piece (32) medial surface be provided with the inboard arch (323) of a plurality of, unblock push rod (31) both sides be provided with a plurality of unblock arch respectively, inboard arch (323) with the protruding cooperation locking of unblock push rod (31).

5. A combination lock construction according to claim 4, wherein: reset push rod (5) with reset connecting rod (51) and clutch connecting rod (52) cup joint, reset connecting rod (51) other end be provided with reset connecting rod (51) spring for self resets, reset connecting rod (51) both sides be provided with long crosspiece and short crosspiece, short crosspiece with linkage piece (32) sliding fit.

6. A combination lock construction according to claim 5, wherein: the adjusting unit comprises a limiting plate (62), a limiting push rod (61), a limiting lug (63) and a lug spring (64), wherein the limiting plate (62) is provided with a plurality of elliptical sleeve holes respectively, the elliptical sleeve holes are slidably sleeved on the lower convex surface (264) of the lock disc, and one end of the limiting push rod (61) is connected with one end of the plate (62) through an inserting structure.

7. A combination lock construction according to claim 6, wherein: limiting plate (62) be provided with T type groove (621), limiting lug (63) slip joint in T type groove (621), limiting lug (63) straight end pass through lug spring (64) joint in the straight inner wall of T type groove (621) on to the activity joint in lock dish (26).