CN113503092B

CN113503092B - Coded lock password retrieving mechanism

Info

Publication number: CN113503092B
Application number: CN202110802185.8A
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: 2022-06-21
Anticipated expiration: 2041-07-15
Also published as: CN113503092A

Abstract

The invention discloses a password retrieving mechanism of a password lock, which comprises a knob password mechanism, a lock shell and a lock body mechanism, wherein the knob password mechanism comprises a knob, a twisting disc and a lock disc, the knob is sleeved with the twisting disc and the lock disc, the lock body mechanism comprises an unlocking module and a password updating module, the unlocking module comprises a linkage piece and an unlocking push rod, the password updating module comprises a clutch unit and an adjusting unit, and after the knob is rotated to a correct password, the limiting push rod is pushed to drive a limiting lug to clamp the lock disc under the elastic force action of a lug spring so as to complete password retrieving.

Description

Coded lock password retrieving mechanism

Technical Field

The invention relates to the field of coded locks, in particular to a coded lock password retrieving mechanism.

Background

Mechanical coded lock is mostly button, thumb wheel formula and knob formula or several kinds of combination forms wherein among the prior art, block the spring bolt when wherein modifying the password and adjust the button simultaneously, thumb wheel or knob can modify the password, if be in the state of unblanking, the password is disturbed after the spring bolt is restricted, promptly has updated the password, if closed the lock this moment, then can't know the password after modifying, can't unblock, perhaps there is the password under the unlock condition, the password is disturbed because forget or other people do not know the password and can't assist the playback to what has unlocked the lock body.

Disclosure of Invention

The invention discloses a password retrieving mechanism of a coded lock, aiming at the defects in the prior art, the mechanism is convenient to use, and a plurality of mechanisms are required to simultaneously trigger and adjust the password under the condition of forgetting the password. Particularly, it includes knob cipher mechanism, lock shell and lock body mechanism to provide a trick lock password retrieval mechanism, knob cipher mechanism include knob, twist set and lock dish, the knob be double parallel setting, the knob with twist set and lock dish cup joint, lock body mechanism include knob cipher mechanism, lock shell and lock body mechanism, its characterized in that: knob cryptosystem include knob, twist disk and lock dish, the knob be double parallel arrangement, the knob with the twist disk reach the lock dish cup joint, lock body mechanism include unblock module and password update module, the unblock module include linkage piece and unblock push rod, password update module include clutch unit and adjusting element, clutch unit include locating plate, reset push rod, reset connecting rod and clutch connecting rod, adjusting element include limiting plate, limiting push rod, spacing lug and lug spring, under the unblock state, promote spacing push rod drive spacing lug be in lug spring elastic force effect chucking down the lock dish, twist this moment the knob, to whole the unable rotating of knob, accomplish the password and find back.

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 quotation, lock dish go up convex surface and lock dish convex surface down, the lock dish on be provided with a plurality of reference columns of group on the convex surface, the reference column can the lock dish on the convex surface with the twist reverse disk laminating state under peg graft in the twist reverse disk, the circumference side of lock dish face be provided with the angular groove, the lock dish under the convex surface quilt the lock dish face spaced apart, the circumference side of lock dish convex surface be provided with a locked groove down.

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, the upper surface of the positioning plate is abutted to the torsion plate, slope protrusions are arranged on two sides of the bottom surface of the positioning plate, and the slope protrusions are in sliding fit with the clutch connecting rod.

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

Preferably, the limiting plate be provided with a plurality of oval trepanning respectively, oval trepanning slide and cup joint the lock dish under on the convex surface, limiting push rod one end through grafting structure connect in limiting plate one end.

Compared with the prior art, the invention has the following beneficial effects: the password updating mechanism is arranged, and the clutch mechanism is matched with the adjusting mechanism to assist in finding out the password or modifying the existing password in an unlocking state; the three mechanisms are triggered to prevent the password from being forgotten after the password is accidentally changed by triggering or locking the reset button by a single lock tongue.

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 structural diagram 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 described clearly and completely 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 password retrieving mechanism, as shown in attached figures 1 to 5, a shell comprises a panel 1 and a back shell 2, wherein the panel 1 is provided with knob positioning holes, sphere limiting grooves and threaded holes on the outer side, 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 backshell 2 be provided with the installation ear and be used for installing at secret case box, wherein a side end face 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 protruding 321 in angle respectively, protruding 321 in angle 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 protruding 323, inboard protruding 323 with the protruding cooperation locking of unblock 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 disc under on the convex surface 264, limiting push rod 61 one end pass through 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 the 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 locked in a clamping mode, 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: under the lock body is in the unblock state, this moment, rotatory knob 21, knob 21 with twist disk 24 rotate jointly, promote the 62 push rods of limiting plate, drive limiting plate 62 remove, limiting plate 62 on T type groove 621 promote the rotatory grafting of limiting lug 63 locked groove 2641 makes lock dish 26 no longer rotate, this moment the lock body password that knob 21 registration was.

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 description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a mechanism is retrieved to trick lock password, 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 including unblock module and password update module, unblock module including linkage piece (32) and unblock push rod (31), password update module including clutch unit and adjusting element, clutch unit include locating plate (41), push rod (5) that resets, reset connecting rod (51) and clutch connecting rod (52), adjusting element include limiting plate (62), limiting push rod (61), limiting lug (63) and lug spring (64), under the unblock state, promote limiting push rod (61) drive limiting lug (63) be in under lug spring (64) spring effect chucking lock dish (26), twist reverse this moment knob (21), to whole knob (21) can't be rotated, accomplish the password and retrieve, locating plate (41) upper surface butt twist disk (24), locating plate (41) bottom surface both sides be provided with slope arch (43), slope arch (43) with clutch connecting rod (52) sliding fit, 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, the vertical direction projection of clutch connecting rod (52) be the style of calligraphy of falling L, clutch connecting rod (52) horizontal direction top be provided with reverse slope arch (521), the protruding (521) of reverse slope with the protruding (43) overlap joint of slope, clutch connecting rod (52) horizontal direction terminal surface pass through clutch connecting rod (52) reset spring and connect the inner wall of lock shell, limiting plate (62) be provided with a plurality of oval trepanning respectively, oval trepanning slip cup joint lock dish under on convex surface (264), limiting push rod (61) one end pass through grafting structure connect in limiting plate (62) one end.

2. The combination lock code retrieval mechanism of 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. The combination lock code retrieval mechanism of 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. The combination lock code retrieval mechanism of claim 1, wherein: linkage piece (32) set up unblock push rod (31) both sides, the outside limit of two linkage pieces (32) is provided with protruding (321) of a plurality of angles 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 the cooperation of password update module, linkage piece (32) medial surface be provided with the inboard arch (323) of a plurality of, inboard arch (323) and the protruding cooperation locking of unblock push rod (31).