CN113323519B

CN113323519B - A mechanical password lock with password retrieval capability

Info

Publication number: CN113323519B
Application number: CN202110669866.1A
Authority: CN
Inventors: 郑勇进
Original assignee: Zhejiang Pujiang Plum Blossom Lock Industry Group Co ltd
Current assignee: Zhejiang Pujiang Plum Blossom Lock Industry Group Co ltd
Priority date: 2021-06-17
Filing date: 2021-06-17
Publication date: 2025-01-24
Anticipated expiration: 2041-06-17
Also published as: CN113323519A

Abstract

A mechanical password lock with a retrievable password comprises a key lock core and a password lock core accommodated in a lock body, the password lock core comprises a plurality of password dials and an alignment ring driven to rotate by the password dials, the outer peripheral surface of the alignment ring is provided with an indication mark, the lock body is provided with an observation window, when the alignment ring is rotated to an unlocking position, the observation window corresponds to the position of the indication mark, a covering part for covering the observation window is movably connected to the lock body, and the key lock core is inserted with a corresponding mechanical key to drive the covering part to move from a covering position covering the observation window to an observation position exposing the observation window.

Description

Mechanical coded lock capable of retrieving codes

Technical Field

The invention relates to the field of locks, in particular to a mechanical coded lock capable of retrieving codes.

Background

The coded lock according to the prior art with application numbers CN201620192162.4, CN200320121949.4 and CN200910260645.8 comprises a lock shell and a coded lock core, wherein the coded lock core is arranged inside the lock shell and is provided with a lock bolt, a plurality of lock catch sleeves and a plurality of coded turntables, the lock catch sleeves are sleeved outside the lock bolt, and the coded turntables are respectively sleeved outside the lock catch sleeves and can drive the corresponding lock catch sleeves to rotate together.

When the coded lock is in a locking state, the lock bolt can be abutted against the lower part of the lock catch sleeve which is not rotated to the correct angle, so that the lock bolt can not be pulled out upwards to achieve the locking purpose, and after a user dials the coded rotary table and drives the lock catch sleeve to rotate to the correct unlocking position, the coded lock is in an unlocking state at the moment, and in the unlocking state, the notches of all the lock catch sleeves are aligned to be always on line and aligned with the corresponding lugs on the lock bolt, so that the user can pull out the lock bolt upwards through the notches of the lock catch sleeves, and the unlocking purpose is achieved.

However, the above-mentioned combination lock does not provide a mechanism for the user to find the correct combination, in other words, when the user forgets the previously set combination, the user must test the combination one by one or directly break the combination lock.

In response to the above-mentioned drawbacks of the combination lock, the industry has invented a combination lock with a confirmation hole, which is provided with a plurality of test holes at the place of the lock shell corresponding to the lock sleeve, the test holes can be used for the user to confirm and test the condition of the lock sleeve and further to find the correct combination, and the method is characterized in that the user uses naked eyes to observe or use a test pin to insert the test pin while rotating the combination rotary table, when the combination is correct, the test pin passes through the combination alignment slot through the test hole, or rotates while using eyes to identify whether the missing slot of the lock sleeve is rotated to the correct unlocking position, but both the above two methods need to spend time and effort to find the combination in the test process, so that the method is very inconvenient in practice.

The Chinese patent application number 201720102791.8 discloses a coded lock, and specifically discloses a coded lock core (coded lock core) which is arranged in a long groove (coded lock core cavity) and comprises a plurality of coded alignment rings (alignment rings), a plurality of coded turntables, a plurality of elastic sheets, a third elastic component and a gasket. The cipher alignment ring further comprises an inner ring flange and a plurality of outer convex blocks, wherein the inner ring flange is arranged on the inner wall surface of the cipher alignment ring in a surrounding mode, the outer convex blocks extend out of the outer wall surface of the cipher alignment ring, each cipher turntable further comprises a plurality of inner grooves which are horizontally arranged on the inner wall surface of the cipher turntable in a surrounding mode, and the outer convex blocks are selectively clamped in the inner grooves.

The patent also discloses a code searching assembly which is arranged in the middle of the long hole and the long groove and comprises a code searching push piece which is vertically arranged in the lock shell and respectively corresponds to the code searching push pieces, the code searching push piece is connected with the upper push seat and moves up and down along with the upper push seat, a plurality of linkage parts are concavely arranged on one side surface of the code searching push piece, the positions of the linkage parts respectively correspond to the positions of the channels, each linkage part comprises a low part, a high part and an inclined part, a plurality of push rods which are respectively and movably arranged in the channels of the lock shell and horizontally penetrate through the code searching push pieces at intervals, and respectively correspond to the linkage parts, each push rod comprises a head part and a rod part which are connected, one end of the head part is abutted against the linkage part, the rod part is penetrated through the corresponding code positioning part, the first elastic assembly and the position of the linkage parts respectively corresponds to the position of the channels, and the first push rod part is arranged between the lock rod and the lock core, and the key is positioned between the lock core and the lock core, and the key is respectively, and the key is unlocked by the key.

The prior art coded lock capable of retrieving the codes has a complex structure.

Disclosure of Invention

The invention aims to provide a mechanical coded lock capable of retrieving codes, which is simple in structure.

In order to achieve the above purpose, the invention provides a mechanical coded lock capable of retrieving a code, comprising a key lock core and a code lock core which are accommodated in a lock body, wherein the code lock core comprises a plurality of code turntables and an alignment ring driven to rotate by the code turntables, the peripheral surface of the alignment ring is provided with an indication mark, the lock body is provided with an observation window, when the alignment ring rotates to an unlocking position, the observation window corresponds to the indication mark, a covering part for covering the observation window is movably connected in the lock body, and the key lock core can be inserted into the corresponding mechanical key to drive the covering part to move from a covering position for covering the observation window to an observation position for exposing the observation window.

In one embodiment of the invention, a locking assembly is further arranged in the lock body, and the locking assembly is used for locking the lock beam or the zipper.

In one embodiment of the invention, a first compression spring is provided between the cover and the lock body for maintaining the cover and the lock body in a covered position.

In one embodiment of the invention, the locking assembly is used for locking the lock beam and comprises a lock tongue and a blocking plate, wherein the lock tongue is slidingly connected with the lock body, the blocking plate is rotationally connected with the lock body and can move from an engagement position for engaging the lock beam to an unlocking position separated from the lock beam, a second compression spring for keeping the lock tongue in the engagement position is arranged between the lock tongue and the lock body, the blocking plate is provided with an alignment protrusion corresponding to an alignment notch of each alignment ring, when all alignment rings are rotated to the unlocking position, the alignment notch corresponds to all alignment protrusion positions, a third compression spring for keeping the blocking plate alignment protrusion to press the alignment rings is arranged between the blocking plate and the lock body, when at least one alignment notch does not correspond to the alignment protrusion position, the blocking plate is in the blocking position, the blocking plate can be driven to rotate to the second clear position by rotating a lock cylinder after the key is inserted into the corresponding mechanical key, and the blocking plate can move from the lock tongue to the unlocking position when the blocking plate is in the first clear position or the second clear position.

In one embodiment of the invention, the lock body is slidably connected with a button for driving the lock tongue to move from the engagement position to the unlocking position, the button is provided with a wedge block matched with the lock tongue, and the lock tongue is provided with an inclined surface matched with the wedge block.

In one embodiment of the invention, a movable plate is slidably connected to the lock body and cooperates with the shifting head of the key cylinder, the movable plate being movable from a disengaged position to an extruded position in which it extrudes the blocking plate to a second, clear position.

In one embodiment of the invention, the movable plate is provided with a driving post extending towards the cover part, the cover part is provided with a pressing surface matched with the driving post, and when the movable plate moves from the disengaging position to the pressing position, the driving post presses the cover part to move from the cover position towards the observation window to the observation position.

In one embodiment of the present invention, the coded lock cylinder further includes a spindle, a reset ring sleeved outside the spindle, an operation rod connected to the reset ring, and a limit rod, the operation rod passes through the lock body, all the coded rotary disk and all the alignment rings are sleeved outside the spindle, the lock body limits the coded rotary disk to axially move, the coded rotary disk is provided with a connection protrusion or a connection recess axially connected to the alignment rings, the alignment rings are provided with a mating recess or a mating protrusion mated to the connection protrusion or the connection recess, the limit rod corresponds to the position of the stop plate when the stop plate is in the blocking position, all the alignment rings are in the connection position, the connection protrusion and the mating recess or the connection recess are mated with the mating protrusion, one end of the spindle, which is opposite to the reset ring, is sleeved with the fourth compression spring located between the alignment ring and the lock body and used for keeping all the alignment rings in the connection position, and when the stop is in the first position or the second unblocked position, a user can disengage the connection protrusion from the connection protrusion or the connection recess by controlling the operation rod.

In one embodiment of the invention, the key cylinder is rotatably connected to the button, which is the cylinder housing of the key cylinder.

In one embodiment of the invention, the moving direction of the movable plate and the lock tongue is perpendicular to the rotation axis of the key lock cylinder, the blocking plate is in pivot connection with the lock body, and the rotation axis of the blocking plate, the rotation axis of the alignment ring and the rotation axis of the code wheel are perpendicular to the rotation axis of the key lock cylinder.

In the invention, the outer peripheral surface of the alignment ring is provided with the indication mark, the lock body is provided with the observation window, when the alignment ring rotates to the unlocking position, the observation window corresponds to the indication mark, the lock body is movably connected with the covering part for covering the observation window, and the mechanical key corresponding to the insertion of the key lock cylinder can drive the covering part to move from the covering position for covering the observation window to the observation position for exposing the observation window. When a user uses the key to unlock, the user can conveniently find the password through observing the position of the window jack alignment ring.

Drawings

Fig. 1 is a schematic structural diagram of a mechanical coded lock capable of retrieving codes according to a first embodiment of the present invention.

Fig. 2 is a schematic structural view of a hidden shackle of the mechanical combination lock of fig. 1 capable of retrieving a combination.

Fig. 3 is an exploded view of the mechanical combination lock of fig. 2 with a code being retrieved.

Fig. 4 is a partial enlarged view of the mechanical combination lock of fig. 3 at a.

Fig. 5 is an exploded view of the combination lock cylinder of fig. 3.

FIG. 6 is a cross-sectional view of the FIG. 2 combination retrievable mechanical combination lock at the alignment ring.

Fig. 7 is a cross-sectional view of the combination dial of the mechanical combination lock of fig. 2, with the combination being retrieved.

Fig. 8 is a block diagram of a hidden shackle and lock body of the combination retrievable mechanical combination lock of fig. 2.

Fig. 9 is a schematic view of the structure of the movable plate and the cover of fig. 4.

Fig. 10 is a schematic structural diagram of a mechanical coded lock capable of retrieving codes according to a second embodiment of the present invention.

Fig. 11 is a schematic view of the structure of the covering portion in fig. 10 in a covering state.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Referring to fig. 1 to 4, the mechanical coded lock capable of retrieving a code according to the first embodiment of the present invention includes a key cylinder 1 and a coded cylinder 2 accommodated in a lock body 3, a locking assembly, a cover 5, a movable plate 6, and a positioning plate 7.

The key lock cylinder 1 is rotationally connected with a button 11, and the button 11 is a lock cylinder shell of the key lock cylinder 1.

Referring to fig. 5-7, the code lock cylinder 2 includes a plurality of code rotary tables 21 and a positioning ring 22 driven to rotate by the code rotary tables 21, an indication mark 221 is provided on an outer peripheral surface of the positioning ring 22, when the positioning ring 22 rotates to an unlocking position, the observation window 31 corresponds to the indication mark 221, a covering portion 5 for covering the observation window 31 is movably connected in the lock body 3, and the key lock cylinder 1 is inserted into the corresponding mechanical key to drive the covering portion 5 to move from a covering position for covering the observation window 31 to an observation position for exposing the observation window 31. The viewing window 31 is filled with glass or transparent plastic.

The coded lock cylinder 2 further comprises a core shaft 23, a reset ring 24 sleeved outside the core shaft 23, an operating rod 241 and a limiting rod 242, wherein the operating rod 241 is connected with the reset ring 24, the operating rod 241 penetrates through the lock body 3, all the coded turntables 21 and all the alignment rings 22 are sleeved outside the core shaft 23, the lock body 3 limits the coded turntables 21 to move axially, the coded turntables 21 are provided with connecting protrusions or connecting recesses 21a axially connected with the alignment rings 22, the alignment rings 22 are provided with matching recesses or matching protrusions 22a matched with the connecting protrusions or the connecting recesses 21a, the limiting rod 242 corresponds to the blocking plate 42 in position when the blocking plate 42 is in the blocking position, all the alignment rings 22 are in the connecting position, the connecting protrusions and the matching recesses or the connecting recesses 21a are matched with the matching protrusions 22a, one end of the core shaft 23 back to the reset ring 24 is sleeved with a fourth compression spring 2t which is positioned between the alignment rings 22 and the lock body 3 and used for keeping all the alignment rings 22 in the connecting position, and when the blocking position is in the first clear position or the second clear position, and a user can control the reset ring 241 to enable the connecting protrusions to be separated from the matching recesses or the connecting recesses 21a by the operating rod 241. The outer peripheral surface of the code wheel 21 is provided with a plurality of positioning depressions 210, and the positioning plate 7 is provided with a plurality of elastic protrusions 71. Limiting parts 26 fixedly connected with the lock body 3 are arranged on two sides of the coded lock cylinder 2, and the limiting parts 26 limit the axial movement range of the alignment ring 22.

The lock body 3 is provided with an observation window 31 and a password window 32 corresponding to the password rotary table 21, and the password window 32 limits the axial movement of the password rotary table 21.

Referring to fig. 8 and 9, the locking assembly is used for locking the lock beam 10, the locking assembly comprises a lock tongue 41 slidably connected with the lock body 3 and a blocking plate 42 rotatably connected with the lock body 3, the lock tongue 41 can move from a locking position for locking the lock beam 10 to an unlocking position for unlocking the lock beam 10, a second compression spring 41t for keeping the lock tongue 41 in the locking position is arranged between the lock tongue 41 and the lock body 3, the blocking plate 42 is provided with an alignment protrusion 421 corresponding to an alignment notch 222 of each alignment ring 22, when all alignment rings 22 rotate to the unlocking position, the alignment notch 222 corresponds to all alignment protrusions 421, a third compression spring 42t for keeping the alignment protrusion 421 of the blocking plate 42 to press the alignment rings 22 is arranged between the blocking plate 42 and the lock body 3, when at least one alignment notch 222 does not correspond to the alignment protrusion 421, the blocking plate 42 is in the blocking position, the lock tongue 41 can move from the locking position to the unlocking position when the blocking plate 42 is in the first or the second clear position by rotating the blocking plate 42 after the key 1 is inserted into the corresponding mechanical key. The lock body 3 is slidably connected with a button 11 for driving the lock tongue 41 to move from the engagement position to the unlocking position, the button 11 is provided with a wedge block 111 matched with the lock tongue 41, the lock tongue 41 is provided with an inclined surface 410 matched with the wedge block 111, and the avoidance groove 412 corresponds to the blocking plate 42 in the first unblocked position. In other embodiments, a locking assembly is used to lock the shackle 10 or zipper. The locking component can also adopt a steel ball and a rotary lock tongue.

A first compression spring 5t for holding the cover 5 and the lock body 3 in the covering position is provided between the cover 5 and the lock body 3. The cover 5 is provided with a plurality of observation holes 51 which are matched with the observation windows. The cover part 5 is movably connected with the lock body, and the cover part 5 can also be hinged with the lock body 3

The movable plate 6 is slidably connected with the lock body 3, the movable plate 6 is matched with the shifting head 12 of the key lock cylinder 1, the movable plate 6 is provided with a matching block 601 matched with the shifting head 12, and the movable plate 6 can move from a disengaging position to an extruding position where the extruding blocking plate 42 moves to a second unblocking position. The movable plate 6 is provided with a pressing arm 62 pressing the blocking plate 5, and the movable plate 6 can be reset under the action of the elastic force of the first compression spring 5 t. The movable plate 6 is provided with a driving post 61 extending toward the cover part 5, and the cover part 5 is provided with a pressing surface 50 mating with the driving post, and the pressing surface 50 is an inclined surface. When the movable plate 6 moves from the disengaged position to the pressed position, the driving post 61 presses the covering portion 5 to move from the covering position to the viewing position.

The moving direction of the movable plate 6 and the lock tongue 41 is perpendicular to the rotation axis of the key lock cylinder 1, the blocking plate 42 is in pivot connection with the lock body 3, and the rotation axis of the blocking plate 42, the rotation axis of the alignment ring 22 and the rotation axis of the code rotary disk 21 are perpendicular to the rotation axis of the key lock cylinder 1.

Referring to fig. 10-11, the cover 5 is provided with a mating portion 63, the cover 5 is slidably connected with the lock body 3 in the lock body, and the shifting head 12 of the lock cylinder 1 can directly squeeze the cover 5 from the viewing position to the covering position, or squeeze the mating portion 63 from the covering position to the viewing position.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a but mechanical coded lock of retrieval password, includes key lock core and the password lock core of holding in the lock body, and this password lock core includes a plurality of password carousel and by this password carousel drive rotatory counterpoint ring, its characterized in that, should counterpoint ring periphery be equipped with the indicator, this lock body has seted up the observation window, when counterpoint ring rotates to the unlocking position, the observation window corresponds with the indicator position, the internal swing joint of lock has the cover portion that is used for covering the observation window the key lock core inserts corresponding mechanical key and can drive this cover portion and follow the cover position of observation window removes to expose the observation position of observation window.

2. The combination lock of claim 1, further comprising a locking assembly within the lock body for locking the shackle or zipper.

3. The combination lock of claim 2, wherein a first compression spring is provided between the cover and the lock body for maintaining the cover and the lock body in a covered position.

4. A combination lock according to claim 3, wherein the lock assembly is adapted to lock a shackle, the lock assembly comprises a lock tongue slidably coupled to the lock body, a blocking plate rotatably coupled to the lock body, the lock tongue being movable from a locked position for engaging the shackle to an unlocked position for disengaging the shackle, the lock tongue and the lock body having a second compression spring therebetween for maintaining the lock tongue in the engaged position, the blocking plate having alignment protrusions corresponding to alignment notches of each of the alignment rings, the alignment notches corresponding to all of the alignment protrusions when all of the alignment rings are rotated to the unlocked position, a third compression spring therebetween for maintaining the blocking plate alignment protrusions in compression with the alignment rings, the blocking plate being in the blocking position when at least one of the alignment notches does not correspond to the alignment protrusions, the blocking plate being rotatable to a second clear position by rotation upon insertion of a corresponding mechanical key, the blocking plate being movable from the locked position to the unlocked position when the lock cylinder is in the first clear position or the second clear position.

5. The mechanical combination lock of claim 4, wherein the lock body is slidably coupled with a button for driving the locking bolt from the engaged position to the unlocked position, the button having a wedge engaging the locking bolt, the locking bolt having a ramp engaging the wedge.

6. The combination lock of claim 5, wherein a movable plate is slidably coupled to the lock body and is engageable with the key-cylinder tumbler, the movable plate being movable from a disengaged position to an engaged position in which the movable plate is engaged with the tumbler cylinder to a second, clear position.

7. The mechanical combination lock of claim 6, wherein the flap is provided with a drive post extending toward the cover portion, the cover portion being provided with a pressing surface for engaging the drive post, the drive post pressing the cover portion from the cover position toward the viewing window to move to the viewing position when the flap is moved from the disengaged position to the pressed position.

8. The mechanical coded lock according to claim 7, further comprising a spindle, a reset ring sleeved outside the spindle, an operating rod connected with the reset ring and a limit rod, wherein the operating rod passes through the lock body, all the coded rotary disk and all the alignment rings are sleeved outside the spindle, the lock body limits the coded rotary disk from moving axially, the coded rotary disk is provided with a connecting protrusion or a connecting recess axially connected with the alignment rings, the alignment rings are provided with a matching recess or a matching protrusion matched with the connecting protrusion or the connecting recess, the limit rod corresponds to the position of the limit rod when the limit rod is in a blocking position, all the alignment rings are in a connecting position, the connecting protrusion and the matching recess or the matching protrusion are matched, one end of the spindle, which is opposite to the reset ring, is sleeved with a fourth compression spring which is positioned between the alignment rings and the lock body and is used for keeping all the alignment rings in the connecting position, and when the blocking position is in a first clear position or a second clear position, the blocking plate can be disengaged from the connecting protrusion or the connecting protrusion by a user.

9. The combination lock of claim 8, wherein the key cylinder is rotatably coupled to the button, the button being a cylinder housing of the key cylinder.

10. The mechanical coded lock capable of retrieving a code according to claim 9, wherein the moving direction of the movable plate and the lock tongue is perpendicular to the key cylinder rotation axis, the blocking plate is pivotally connected to the lock body, and the rotation axis of the blocking plate, the rotation axis of the alignment ring and the rotation axis of the code wheel are perpendicular to the key cylinder rotation axis.