A cylinder lock

Abstract

The application discloses a dial code lock and belongs to the technical field of code locks. The dial code lock adopts a pure mechanical structure, and only needs to rotate a lock shell to realize functions such as locking and unlocking, does not need external and built-in energy, and also does not need a key to unlock, and truly realizes a keyless and power-free safety locking function. In the unlocking or locking state, the dials can be freely forward and reverse rotated, and when the dial code is incorrect after locking, no matter how the dials and the lock shell are rotated, or even external force is knocked, the unlocking cannot be realized. In addition, when unlocking is needed, the unlocking rod must be right moved when the four dial codes are correct, so as to pass the one-way locking part, and in the locking process, the unlocking rod can press down the one-way locking part to enter the locking position, without axial right movement, and the problem that the unlocking rod cannot be right moved after the dials are reset to cause the problem that the locking cannot be realized is avoided.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of password lock, in particular to a dial password lock. BACKGROUND

[0002] The dial password lock has the convenience of electronic lock and the stability of key mechanical lock, and is widely used in the market.

[0003] However, the current dial password lock needs an additional key to unlock, resulting in low integration of the dial password lock, and the key is easy to be lost. SUMMARY

[0004] The embodiment of the present application provides a dial password lock. The technical scheme can solve the problem of low integration of the dial password lock in the prior art, and the technical scheme is as follows:

[0005] In one aspect, a dial password lock is provided, and the dial password lock comprises:

[0006] a lock shell, a one-way locking piece and a dial password mechanism;

[0007] The lock shell has a lock tongue, an inner side wall of the lock shell has a circumferentially extending arc-shaped sliding area, and a sliding groove is distributed between the arc-shaped sliding area and an inner bottom wall of the lock shell, the extension direction of the sliding groove is parallel to the axial direction of the lock shell, and the two ends of the arc-shaped sliding area are respectively an unlocking position and a locking position;

[0008] Part of the one-way locking piece is elastic and located in the sliding groove;

[0009] The dial password mechanism is located in the lock shell and comprises a dial frame, an unlocking rod, an elastic piece, at least two splines, and at least two dials corresponding to the at least two splines, the dial frame is fixedly connected to a cabinet door, the unlocking rod is arranged flush with the arc-shaped sliding area and is in sliding connection with the dial frame, the first end of the unlocking rod is in sliding connection with the arc-shaped sliding area, the two ends of the elastic piece are in contact with the dial frame and the second end of the unlocking rod, each spline is rotatably sleeved on the unlocking rod and has a key groove, and the side surface of the unlocking rod has a locking protrusion matched with each key groove;

[0010] When the dial lock is in the locked state, the first end of the unlocking rod is located between the one-way locking member and the locked position, and each locking protrusion is distributed between the corresponding spline and the first end of the unlocking rod; when the dial lock is in the unlocked state, the first end of the unlocking rod is located between the one-way locking member and the unlocked position; when the dial lock is switched from the locked state to the unlocked state, the dial drives the spline to rotate to the target position, the locking shell rotates to push the first end of the unlocking rod to move through another part of the one-way locking member, so that each locking protrusion slides into the corresponding key groove; the elastic member pushes the second end of the unlocking rod to move after the first end of the unlocking rod slides through the one-way locking member; when the dial lock is switched from the unlocked state to the locked state, the first end of the unlocking rod pushes another part of the one-way locking member to move into the sliding groove and slide through the one-way locking member.

[0011] Optionally, one side of the one-way locking member towards the locked position has a first wedge surface parallel to the axial direction of the locking shell, and the other side of the one-way locking member towards the unlocked position has a second wedge surface intersecting the axial direction of the locking shell, and the second wedge surface is inclined towards the first wedge surface.

[0012] Optionally, the one-way locking member comprises a locking block and a first elastic member, the first elastic member is located in the sliding groove and connected to the other end of the first elastic member.

[0013] Optionally, the inner side wall of the locking shell further has a first sliding groove located between the one-way locking member and the unlocked position, and a second sliding groove symmetrically arranged with the first sliding groove along the axial direction of the locking shell; the dial lock further comprises a cover plate, an unlocking separating member and a locking engaging member located in the locking shell, the extension direction of the cover plate is parallel to the arrangement direction of the at least two splines and is slidingly connected with the unlocking rod, the cover plate has a receiving groove corresponding to each dial, and part of each dial extends from the corresponding receiving groove; part of the unlocking separating member is elastic and located in the first sliding groove, and part of the locking engaging member is elastic and located in the second sliding groove.

[0014] When the dial lock is switched from the locked state to the unlocked state, the unlocking separating member pushes the first end of the cover plate to move, and at the same time, the cover plate drives the spline to move and separate from the corresponding dial along the axial direction of the unlocking rod, and the second end of the cover plate pushes another part of the locking engaging member to move into the second sliding groove and slide through the locking engaging member; when the dial lock is switched from the unlocked state to the locked state, another part of the locking engaging member pushes the second end of the cover plate to move, and at the same time, the cover plate drives the spline to move and engage with the corresponding dial, and the first end of the cover plate pushes another part of the unlocking separating member to move into the first sliding groove and slide through the unlocking separating member.

[0015] Optionally, each dial has a push pin fixed to the side surface towards the end of the unlocking rod, and the push pin is eccentrically arranged.

[0016] The dial combination lock further comprises a dial reset mechanism configured to rotate the at least one dial a certain angle in cooperation with the tumbler in the dial reset process after the dial disengages from the spline or in cooperation with the tumbler in the lock closing process after the dial engages with the spline.

[0017] Optionally, the dial reset mechanism comprises a driving assembly, a reset push plate, a rotating shaft, a second elastic member, at least two reset connecting rods and at least two reset swing members in the lock housing; part of the driving assembly is arranged in the first direction and has a first clamping portion on the side of the reset push plate, and the reset push plate has a second clamping portion on the side facing the driving assembly; part of the dial carrier is located between the reset push plate and the bottom wall of the lock housing, and the two ends of the second elastic member are in contact with the reset push plate and the part of the dial carrier respectively; the rotating shaft is located between the unlocking lever and the inner bottom wall of the lock housing and is arranged in the second direction parallel to the unlocking lever, and the two ends of the rotating shaft are fixed on the dial carrier; one end of the reset connecting rod is matched with the reset push plate, and the other end is hinged with one end of the reset swing member, the other end of the reset swing member has two swing rods arranged oppositely, the tumbler is located between the two swing rods, and each swing rod has an avoidance slot matched with the unlocking lever gap on the side facing the tumbler; the second direction is parallel to the axial direction of the lock housing and perpendicular to the first direction;

[0018] When the dial is rotated to the password position or the password position is changed, the rotation of the dial drives the reset swing member to rotate around the rotating shaft through the cooperation of the tumbler and the swing rod to drive the reset push plate to descend in the second direction through the reset connecting rod, thereby compressing the second elastic member; after the lock housing is rotated to the first end of the unlocking lever sliding through the one-way locking member or the dial engages with the spline in the lock closing process, the driving assembly drives the first clamping portion to separate from the second clamping portion, the second elastic member drives the reset push plate to ascend in the second direction to drive the reset swing member to rotate through the reset connecting rod, and the reset swing member drives the tumbler through the swing rod to reset the dial.

[0019] Optionally, the driving assembly comprises a driving member, a transition driving member, a check plate and a third elastic member, the driving member is fixed on the inner bottom wall of the lock housing, the transition driving member is in sliding connection with the dial carrier, and the check plate is in contact with the transition driving member and arranged in the first direction; the third elastic member is located on the side of the check plate away from the transition driving member, and the two ends of the third elastic member are in contact with the check plate and the dial carrier respectively; the check plate has the first clamping portion, and the reset push plate has the second clamping portion.

[0020] Optionally, the reset connecting rod comprises a sliding block and a transition connecting rod, the sliding block is in sliding connection with the dial frame and is arranged opposite to the reset push plate along the second direction, and two ends of the transition connecting rod are hingedly connected with the sliding block and one end of the reset swing piece respectively.

[0021] The sliding block is driven by the reset push plate or the transition connecting rod to move along the second direction.

[0022] Optionally, the first clamping part comprises a plurality of first sawtooth-shaped protrusions arranged in an array along the second direction, and the second clamping part comprises a plurality of second sawtooth-shaped protrusions matched with the plurality of first sawtooth-shaped protrusions.

[0023] When the reset push plate descends along the second direction, the second sawtooth-shaped protrusions are in sliding connection with the first sawtooth-shaped protrusions; after the second sawtooth-shaped protrusions are clamped with the first sawtooth-shaped protrusions, the reset push plate is limited to ascend along the second direction.

[0024] Optionally, the transition driving piece has a first arc-shaped convex surface and a second arc-shaped convex surface arranged symmetrically along the first direction; and the driving piece has an arc-shaped convex surface matched with the first arc-shaped convex surface and the second arc-shaped convex surface.

[0025] The technical scheme provided by the embodiment of the present application has at least the following beneficial effects:

[0026] The dial cipher lock is a kind of dial cipher lock, and the cipher lock adopts a pure mechanical structure, only needs to rotate the lock shell, and can realize functions such as locking and unlocking, does not need external and built-in energy, and also does not need a key to unlock, and truly realizes a keyless and powerless safety locking function. In the unlocking or locking state, the dial can be freely forward and reverse rotated, and after locking, when the dial password is incorrect, no matter how the dial and the lock shell are rotated, or even external force is knocked, unlocking cannot be realized. In addition, in order to unlock, the unlocking rod must be moved to the right when the four dial passwords are correct, so as to pass the one-way locking piece, and in the locking process, the unlocking rod can press down the one-way locking piece to enter the locking position, without moving to the right, avoiding the problem that the unlocking rod cannot move to the right after the dial is reset, and the lock cannot be locked. BRIEF DESCRIPTION OF DRAWINGS

[0027] In order to more clearly illustrate the technical scheme in the embodiment of the present application, the drawings needed in the embodiment description will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creating laborious work.

[0028] Figure 1 is a schematic view of a dial cipher lock in a locking state provided by the embodiment of the present application;

[0029] Figure 2 is a schematic view of a word wheel password lock in an open state provided by an embodiment of the present application;

[0030] Figure 3 is an exploded schematic view of a word wheel password lock;

[0031] Figure 4 is an assembly schematic view of a lock shell and a one-way locking member provided by an embodiment of the present application;

[0032] Figure 5 is an assembly schematic view of an unlocking rod, a word wheel and a spline;

[0033] Figure 6 is a structural schematic view of a one-way locking member provided by an embodiment of the present application;

[0034] Figure 7 is a partial structural schematic view of a word wheel password lock provided by an embodiment of the present application;

[0035] Figure 8 is a partial structural schematic view of another word wheel password lock provided by an embodiment of the present application;

[0036] Figure 9 is a partial structural schematic view of still another word wheel password lock provided by an embodiment of the present application;

[0037] Figure 10 is a structural schematic view of an open lock separating member provided by an embodiment of the present application;

[0038] Figure 11 is a structural schematic view of a lock closing engagement member provided by an embodiment of the present application;

[0039] Figure 12 is an assembly schematic view of a word wheel resetting mechanism and a word wheel provided by an embodiment of the present application;

[0040] Figure 13 is a partial structural schematic view of a word wheel resetting mechanism;

[0041] Figure 14 is an installation schematic view of a second elastic member and a word wheel frame;

[0042] Figure 15 is an assembly schematic view of a driving assembly and a lock shell provided by an embodiment of the present application;

[0043] Figure 16 is a side view of a partial structure of a word wheel password lock provided by an embodiment of the present application;

[0044] Figure 17 is an effect schematic view of a lock shell when closing provided by an embodiment of the present application;

[0045] Figure 18 is a structural schematic diagram of two clamping parts provided by an embodiment of the present application;

[0046] Figure 19 is a structural schematic diagram of a dial code lock provided by an embodiment of the present application.

[0047] The specific embodiments of the present application have been shown through the above-described drawings, and will be described in more detail hereinafter. The drawings and the written description are not intended to limit the scope of the present application in any way, but to explain the concept of the present application to those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION

[0048] In order to make the objects, technical solutions and advantages of the present application clearer, the embodiments of the present application will be further described in detail below with reference to the drawings.

[0049] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without any creative work fall within the scope of protection of the present application.

[0050] It should be understood that the "one embodiment" or "an embodiment" mentioned throughout the specification means that the specific features, structures or characteristics related to the embodiment are included in at least one embodiment of the present application. Therefore, "in one embodiment" or "in an embodiment" appearing throughout the specification does not necessarily mean the same embodiment. In addition, these specific features, structures or characteristics can be combined in one or more embodiments in any suitable manner.

[0051] Please refer to Figures 1-5 , Figure 1 is a schematic diagram of a dial code lock in a locked state provided by an embodiment of the present application, Figure 2 is a schematic diagram of a dial code lock in an unlocked state provided by an embodiment of the present application, Figure 3 is an exploded schematic diagram of a dial code lock, Figure 4 is an assembly schematic diagram of a lock shell and a one-way locking part provided by an embodiment of the present application, Figure 5 is an assembly schematic diagram of an unlocking rod, a dial and a spline. The dial code lock 00 is usually installed on a cabinet door, and the closure of the cabinet door is realized by the limiting and staggering of the locking bolt in the dial code lock 00 and the cabinet body. The dial code lock 00 can include a lock shell 10, a one-way locking part 20 and a dial code mechanism 30.

[0052] The bottom of the lock housing 10 in the dial lock 00 can have a lock tongue 11, the inner side wall of the lock housing 10 can have a circumferentially extending arc-shaped sliding area H, and a sliding groove 12 distributed between the arc-shaped sliding area H and the inner bottom wall of the lock housing 10, the extending direction of the sliding groove 12 can be parallel to the axial direction of the lock housing 10. Here, the two ends of the arc-shaped sliding area H on the inner side wall of the lock housing 10 can be respectively a lock opening position W1 and a lock closing position W2. The lock housing 10 can have a cavity Q1 and an opening a1 in communication with the cavity, and the one-way locking member 20 and the dial mechanism 30 can be installed into the cavity Q1 of the lock housing 10 through the opening a1.

[0053] A part of the one-way locking member 20 in the dial lock 00 can be elastic and located in the sliding groove 12. Here, the elastic end of the one-way locking member 20 can be in contact with the bottom wall of the sliding groove 12.

[0054] The dial mechanism 30 in the dial lock 00 can be located in the lock housing 10, and the dial mechanism 30 can include a dial frame 31, an unlocking rod 32, an elastic member 33, at least two splines 34, and at least two dials 35 corresponding to the at least two splines 34. The dial frame 31 can be fixedly connected to the cabinet door, the unlocking rod 32 can be arranged flush with the arc-shaped sliding area H and can be in sliding connection with the dial frame 31, the first end D1 of the unlocking rod 32 can be in sliding connection with the arc-shaped sliding area H, and the two ends of the elastic member 33 can be in contact with the dial frame 31 and the second end D2 of the unlocking rod 32, respectively. Each spline 34 can be rotatably sleeved on the unlocking rod 32 and can have a key groove b2, and the side surface of the unlocking rod 32 can have a locking protrusion b3 matched with the key groove b2 in each spline 34. In addition, the lock housing 10 can have an arc-shaped sliding groove b1 distributed in the arc-shaped sliding area H, and the first end D1 of the unlocking rod 32 can extend into the arc-shaped sliding groove b1, which can guide and limit the sliding of the first end D1 of the unlocking rod 32.

[0055] The dial frame 31 can have a groove corresponding to the second end D2 of the unlocking rod 32, and the elastic member 33 can be installed in the groove, and the two ends of the elastic member 33 can be in contact with the bottom of the groove and the second end D2 of the unlocking rod 32, respectively. The number of dials 35 can be two, three, or four, and the present application does not make specific limitations on this.

[0056] When the dial lock 00 is in the locked state, the first end D1 of the unlocking rod 32 can be located between the one-way locking member 20 and the locked position W2, and each locking protrusion b3 can be distributed between the corresponding spline 34 and the first end D1 of the unlocking rod 32. When the dial lock 00 is in the unlocked state, the first end D1 of the unlocking rod 32 can be located between the one-way locking member 20 and the unlocked position W1. When the dial lock 00 is switched from the locked state to the unlocked state, the dial 35 can drive the spline 34 to rotate to the target position (i.e., the correct password position), and the lock shell 10 rotates through the other part of the one-way locking member 20 to push the first end D1 of the unlocking rod 32 to move along the axial direction of the unlocking rod 32, so that each locking protrusion b3 slides into the corresponding key groove b2. The elastic member 33 pushes the second end D2 of the unlocking rod 32 to move after the first end D1 of the unlocking rod 32 slides through the one-way locking member 20. When the dial lock 00 is switched from the unlocked state to the locked state, the first end D1 of the unlocking rod 32 pushes the other part of the one-way locking member 20 to move into the sliding groove 12 and can slide through the one-way locking member 20.

[0057] For example, when the dial lock 00 is switched from the locked process to the unlocked process, the user rotates each dial 35 to drive the corresponding spline 34 to rotate a certain angle to the key groove b2 in the spline 34, and the locking protrusion b3 on the unlocking rod 32 is aligned with the key groove b2; the lock shell 10 is rotated clockwise, the one-way locking member 20 rotates a certain angle with the lock shell 10 at the same time and contacts the first end D1 of the unlocking rod 32, and the lock shell 10 is continuously rotated to push the unlocking rod 32 to move through the one-way locking member 20, so that the locking protrusion b3 on the unlocking rod 32 slides into the key groove b2; after the first end D1 of the unlocking rod 32 slides through the one-way locking member 20, the unlocking rod 32 moves in the opposite direction to the key groove b2 under the action of the elastic member 33; the lock shell 10 is continuously rotated to the unlocked position W1 of the first end D1 of the unlocking rod 32, and the lock tongue 11 of the lock shell 10 is offset from the cabinet wall to achieve unlocking. When the dial lock 00 is switched from the unlocked process to the locked process, the lock shell 10 is rotated counterclockwise, the one-way locking member 20 rotates a certain angle with the lock shell 10 at the same time and contacts the first end D1 of the unlocking rod 32, and a part of the one-way locking member 20 is elastically deformed under the extrusion of the first end D1 of the unlocking rod 32, so that the other part of the one-way locking member 20 slides into the sliding groove 12, thereby ensuring that the first end D1 of the unlocking rod 32 can slide through the one-way locking member 20 to achieve locking.

[0058] In this way, the dial lock 00 as a dial lock, the dial lock adopts a pure mechanical structure, only needs to rotate the lock shell 10, and can realize locking, unlocking and other functions, does not need external and built-in energy, and also does not need a key to unlock, and truly realizes a keyless and power-free safety locking function. In the unlocking or locking state, the dial can be freely forward and reverse rotated, and when the dial password is incorrect after locking, no matter how the dial 35 and the lock shell 10 are rotated, or even external force is knocked, the unlocking cannot be realized. In addition, when unlocking is needed, the unlocking rod must be moved to the right when the four dial passwords are correct, so as to pass the one-way locking piece 20, and in the locking process, the unlocking rod 32 can press down the one-way locking piece 20 to enter the locking position, without needing to move to the right, thereby avoiding the problem that the unlocking rod 32 cannot move to the right after the dial is reset, and the locking cannot be realized. It should be noted that the structure that the dial 35 can be reset is further described below.

[0059] As shown in Figure 3 , the dial lock 00 can further include a mounting base 40 for being fixedly connected with a cabinet door, the mounting base 40 can be sleeved on a lock tongue, the lock tongue can be rotated relative to the mounting base 40, and the dial frame 31 can be fixed on the mounting base 40. For example, the mounting base 40 can be fixedly connected with the dial frame 31 through the screw 41 passing through the lock shell 10.

[0060] Optionally, please refer to Figure 4 and Figure 6 , Figure 6 is a structure diagram of a one-way locking piece provided by the embodiment of the present application. The one-way locking piece 20 can have a first wedge surface 21 parallel to the axial direction of the lock shell 10 on the side facing the locking position W2, and can have a second wedge surface 22 intersecting with the axial direction of the lock shell 10 on the side facing the unlocking position W1, and the second wedge surface 22 can be inclined towards the first wedge surface 21. In this case, during the switching from the locking to the unlocking, the lock shell 10 is rotated clockwise, the first end portion D1 of the unlocking rod 32 is in contact with the first wedge surface 21 of the one-way locking piece 20, is pressed and then moves to the right to unlock. It should be noted that the locking protrusion b3 on the unlocking rod 32 is aligned with the key groove b2 on the spline 34, and the unlocking rod 32 can move to the right, and the first end portion D1 of the unlocking rod 32 can slide through the one-way locking piece 20. When switching from the unlocking state to the locking state, the lock shell 10 is rotated counterclockwise, the unlocking rod 32 is in contact with the second wedge surface 22 of the one-way locking piece 20, and the one-way locking piece 20 is pressed down, so that the unlocking rod 32 can return to the locking position W2 to realize the locking without moving to the right.

[0061] In the embodiment of the present application, as shown in Figure 6As shown, the one-way locking member 20 can include a locking block 23 and a first elastic member 24, the first elastic member 24 can be located in the sliding groove 12 and connected to the bottom of the sliding groove 12 at one end, and a part of the locking block 23 can extend into the sliding groove 12 and be connected to the other end of the first elastic member 24. In this way, when the first end D1 of the unlocking rod 32 presses the locking block 23 to move into the sliding groove 12, the first elastic member 24 can be compressed, and after the first end D1 of the unlocking rod 32 slides through the locking block 23, the locking block 23 moves to the initial position under the action of the first elastic member 24. In the example, the first elastic member 24 can be a spring or a spring sheet, etc.

[0062] Optionally, please refer to Figure 7 、 Figure 8 and Figure 9 , Figure 7 is a partial structure diagram of a word wheel cipher lock provided by an embodiment of the present application, Figure 8 is a partial structure diagram of another word wheel cipher lock provided by an embodiment of the present application, Figure 9 is a partial structure diagram of still another word wheel cipher lock provided by an embodiment of the present application. The inner side wall of the lock shell 10 can further have a first sliding groove 13 located between the one-way locking member 20 and the unlocking position W1, and a second sliding groove 14 symmetrically arranged with the first sliding groove 13 along the axial direction of the lock shell. The word wheel cipher lock can further include a cover plate 50, an unlocking separating member 60 and a locking engagement member 70 located in the lock shell 10. The extension direction of the cover plate 50 can be parallel to the arrangement direction of the at least two splines 34 and connected to the unlocking rod 32 in sliding mode, the cover plate 50 can have a corresponding accommodation slot 51 corresponding to each of the at least two word wheels 35, and a part of each word wheel 35 can extend from the corresponding accommodation slot 51. A part of the unlocking separating member 60 is elastic and can be located in the first sliding groove 13, and a part of the locking engagement member 70 is elastic and can be located in the second sliding groove 14. When the word wheel cipher lock 00 switches from the locked state to the unlocked state, the unlocking separating member 60 pushes the first end D3 of the cover plate 50 to move, and at the same time, the cover plate 50 drives the splines 34 to move and separate from the corresponding word wheels 35 along the axial direction of the unlocking rod 32. The second end D4 of the cover plate 50 pushes the other part of the locking engagement member 70 to move into the second sliding groove 14 and can slide through the locking engagement member 70. When the word wheel cipher lock 00 switches from the unlocked state to the locked state, the other part of the locking engagement member 70 pushes the second end D4 of the cover plate 50 to move, and at the same time, the cover plate 50 drives the splines 34 to move and engage with the corresponding word wheels 35, and the first end D3 of the cover plate 50 pushes the other part of the unlocking separating member 60 to move into the first sliding groove 13 and can slide through the unlocking separating member 60.

[0063] When the individual dials are correct, the lock shell 10 is rotated clockwise, the unlocking rod 32 passes the one-way locking part 20, and the lock shell 10 is continuously rotated, one end of the cover plate 50 starts to contact the unlocking separation part 60, the cover plate 50 is extruded and forced to move to the right, the individual spline 34 is pushed to move and separate from the corresponding dial 35; at the same time, the second end of the cover plate 50 pushes another part of the locking engagement part 70 to move into the second sliding groove 14 and can slide through the locking engagement part 70, that is, the locking engagement part 70 does not interfere with the movement of the cover plate 50 when unlocking. At this time, in the unlocking state, the individual dial 35 and the corresponding spline 34 are in a separated state, and a new password can be freely set, thereby ensuring the security performance of the dial combination lock 00. It should be noted that the key groove b2 of the individual spline 34 is aligned with the locking protrusion b3 on the unlocking rod 32 at this time, and after the dial 35 and the spline 34 are engaged again after setting a new password, the corresponding number of the dial 35 can be the newly set password.

[0064] When locking, the lock shell 10 is rotated counterclockwise, the second end D4 of the cover plate 50 contacts another part of the locking engagement part 70, the lock shell 10 is continuously rotated, the other part of the locking engagement part 70 pushes the cover plate 50 to move to the left, and the individual spline 34 is pushed to move and engage with the corresponding dial 35; at the same time, the first end D3 of the cover plate 50 pushes another part of the unlocking separation part 60 to move into the first sliding groove 13 and can slide through the unlocking separation part 60, that is, the unlocking separation part 60 does not interfere with the movement of the cover plate 50.

[0065] In the present application, please refer to Figure 10 and Figure 11 , Figure 10 is a structural schematic diagram of an unlocking separation part provided by the embodiments of the present application, Figure 11is a structure diagram of a lock closing engagement piece provided by the embodiment of the present application. The side of the lock opening separation piece 60 facing the lock closing position W2 has a third wedge surface 61 parallel to the axial direction of the lock shell 10, and the side of the lock opening separation piece 60 facing the lock opening position W1 can have a fourth wedge surface 62 intersecting the axial direction of the lock shell 10, and the fourth wedge surface 62 can be inclined towards the third wedge surface 61. The side of the lock closing engagement piece 70 facing the lock closing position W2 can have a fifth wedge surface 71 parallel to the axial direction of the lock shell 10, and the side of the lock closing engagement piece 70 facing the lock opening position W1 can have a sixth wedge surface 72 intersecting the axial direction of the lock shell 10, and the sixth wedge surface 72 can be inclined towards the fifth wedge surface 71. In this way, when the lock is opened, after the lock shell 10 rotates a certain angle clockwise from the lock closing position W2 (for example, in the 9 o'clock direction), the first end D3 of the cover plate 50 contacts the third wedge surface 61 of the lock opening separation piece 60, the cover plate 50 is pressed and moves to the right, thereby pushing the spline 34 to move to the right and separate from the corresponding dial 35. At the same time, the second end D4 of the cover plate 50 contacts the lock closing engagement piece 70, and the lock closing engagement piece 70 is pressed downward by the sixth wedge surface 72 of the lock closing engagement piece 70 to avoid jamming. When the lock is closed, after the lock shell 10 rotates a certain angle counterclockwise from the lock opening position W1 (for example, in the 12 o'clock direction), the second end D4 of the cover plate 50 contacts the fifth wedge surface 71 of the lock closing engagement piece 70, the cover plate 50 is pressed and moves to the left, thereby pushing the spline 34 to move to the left so that the spline 34 engages with the corresponding dial 35. At the same time, the first end D3 of the cover plate 50 contacts the lock opening separation piece 60, and the lock opening separation piece 60 is pressed downward by the fourth wedge surface 62 of the lock opening separation piece 60 to avoid jamming. It should be noted that the lock opening separation piece 60 and the lock closing engagement piece 70 both realize the function of pushing the cover plate 50 to move axially in one direction, and in the opposite direction, they will be pressed downward to avoid motion interference.

[0066] As shown in the examples, Figure 10 and Figure 11 The lock opening separation piece 60 can include a first auxiliary elastic piece 63 and a lock opening separation sliding block 64. The first auxiliary elastic piece 63 can be located in the first sliding groove 13 and connected to one end of the bottom of the first sliding groove 13, and a part of the lock opening separation sliding block 64 extends into the first sliding groove 13 and is connected to the other end of the first auxiliary elastic piece 63. The lock closing engagement piece 70 can include a lock closing engagement sliding block 73 and a second auxiliary elastic piece 74. The second auxiliary elastic piece 74 can be located in the second sliding groove 14 and connected to one end of the bottom of the second sliding groove 14, and a part of the lock closing engagement sliding block 73 extends into the second sliding groove 14 and is connected to the other end of the second auxiliary elastic piece 74.

[0067] Optionally, as shown in the examples, Figures 7-9As shown, the dial lock can further comprise a unlocking limiting plate 80 fixed on the inner side wall of the lock shell 10 and located between the unlocking separation piece 60 and the unlocking position W1, and the unlocking limiting plate 80 can be flush with the third wedge surface 61 in the unlocking separation piece 60. In this way, after the first end D3 of the cover plate 50 is pushed to the right through the third wedge surface 61 in the unlocking separation piece 60, the continued rotation can abut against the first end D3 of the cover plate 50 through the arc-shaped side surface of the unlocking limiting plate 80, so as to ensure that the cover plate 50 will not be abnormally moved to the left. The dial lock can further comprise a locking limiting plate 90 fixed on the inner side wall of the lock shell 10 and located between the locking engagement piece 70 and the unlocking position W1, and the locking limiting plate 90 can be flush with the fifth wedge surface 71 of the locking engagement piece 70. In this way, after the second end D4 of the cover plate 50 is pushed to the left through the fifth wedge surface 71 in the locking engagement piece 70, the continued rotation can abut against the second end D4 of the cover plate 50 through the arc-shaped side surface of the locking limiting plate 90, so as to ensure that the cover plate 50 will not be abnormally moved to the right.

[0068] In addition, it should be noted that the spline 34 and the corresponding dial 35 are separated along the axial direction of the unlocking rod 32, that is, the spline 34 and the dial 35 are disengaged. The spline 34 can comprise a first portion 341 and a second portion 342 connected with each other and coaxially arranged, the first portion 341 has a plurality of engagement protrusions engaged with the dial 35, and the outer side surface of the second portion 342 is flush with the root portions of the plurality of engagement protrusions. In this way, after the spline 34 and the dial 35 are separated, the dial 35 can be sleeved on the second portion 342 in the spline 34. When the dial 35 is engaged with the spline 34, the spline 34 moves so that the plurality of engagement protrusions on the first portion 341 in the spline 34 can be connected with the dial 35.

[0069] In the embodiments of the present application, please refer to Figure 12 , Figure 12 is an assembly schematic view of the dial reset mechanism and the dial provided by the embodiments of the present application, Figure 13 is a partial structure schematic view of the dial reset mechanism, Figure 14is a schematic view of the installation of the second elastic member and the dial carrier. Each dial 35 is fixed with a push pin 351 on the side of the end (e.g., the second end) of the unlocking rod 32, and the push pin 351 is eccentrically arranged, that is, the axis of the push pin 351 is at a distance from the rotation axis of the unlocking rod 32. The dial combination lock 00 can further comprise a dial reset mechanism 100, which can be configured to rotate at least one dial 35 by a certain angle in cooperation with the push pin 351 in the dial 35 during the unlocking process of the dial combination lock 00 and after the dial 35 disengages from the spline 34, or rotate the dial 35 by a certain angle in cooperation with the push pin 351 in the dial 35 during the locking process of the dial combination lock 00 and after the dial 35 engages with the corresponding spline 34. In this way, during the manual mechanical unlocking or locking of the dial combination lock 00, the rotation of the password dial 35 driven by the push pin 351 through the dial reset mechanism 100 can realize the reset of at least one password dial, and after unlocking or locking, there is no need to manually reset the password, which eliminates the problem of password leakage due to forgetting. It should be noted that the dial reset mechanism 100 usually realizes the reset of each password dial 35 to improve the security performance. Before locking, the dial 35 can be manually rotated to change the new password after the unlocking reset is completed.

[0070] In the present application, as shown in Figures 12-14 The dial reset mechanism 100 can comprise a driving assembly 101, a reset push plate 102, a rotating shaft 103, a second elastic member 104, at least two reset connecting rods 105, and at least two reset swing pieces 106. Here, the at least two reset connecting rods 105 and the at least two reset swing pieces 106 correspond to each other and correspond to the at least two dials 35. Part of the driving assembly 101 and the reset push plate 102 arranged along the first direction f1 and on the side facing the reset push plate 102 can have a first clamping part A1, and the side of the reset push plate 102 facing the driving assembly 101 has a second clamping part A2 matched with the first clamping part A1. Part of the dial carrier 31 is located between the reset push plate 102 and the bottom wall of the lock shell 10, and the two ends of the second elastic member 104 can be in contact with the reset push plate 102 and the part of the dial carrier 31, respectively. The rotating shaft 103 can be located between the unlocking rod 32 and the bottom wall of the lock shell 10 and arranged in parallel with the unlocking rod 32 along the second direction f2, and the two ends of the rotating shaft 103 can be fixed on the dial carrier 31. One end of the reset connecting rod 105 can cooperate with the reset push plate 102, and the other end of the reset connecting rod 105 can be hinged with one end of the reset swing piece 106. The other end of the reset swing piece 106 can have two swing rods 106a arranged oppositely, and the push pin 351 can be located between the two swing rods 106a. Each swing rod 106a can have an avoidance slot C on the side facing the push pin 351, which is matched with the unlocking rod 32 in a gap. The second direction f2 can be parallel to the axial direction of the lock shell 10 and arranged perpendicularly to the first direction f1.

[0071] Wherein, when the dial 35 rotates to the password position or the password changing position, the rotation of the dial 35 drives the reset swing 106 to rotate around the rotation shaft 103 through the cooperation of the dial pin 351 of the dial 35 and the swing rod 106a, so as to push the reset push plate 102 to descend along the second direction f2 through the reset connecting rod 105, and further compress the second elastic member 104. After the lock shell 10 rotates to the first end D1 of the unlocking lever 32 sliding through the one-way locking member 20 or the dial 35 engages with the spline 34 after the locking process, the driving assembly 101 drives the first clamping part A1 to separate from the second clamping part A2 in the reset push plate 102, the second elastic member 104 drives the reset push plate 102 to ascend along the second direction f2, so as to drive the reset swing 106 to rotate through the reset connecting rod 105, and the reset swing 106 drives the dial pin 351 to rotate through the swing rod 106a, so as to reset the dial 35.

[0072] For example, when unlocking, the dial pin 351 eccentrically arranged on the dial 35 cooperates with the swing rod 106a in the reset swing 106 to drive the reset swing 106 to rotate around the rotation shaft 103 when the dial 35 rotates to the password position, so as to push the reset push plate 102 to descend along the second direction f2 when the reset connecting rod 105 swings, and compress the second elastic member 104. At this time, the reset push plate 102 is clamped with the driving assembly 101 through two clamping parts. Clockwise rotate the lock shell 10, after the cover plate 50 drives each spline 34 to disengage with the dial 35, the driving assembly 101 drives the first clamping part A1 to separate from the second clamping part A2, the reset push plate 102 ascends along the second direction f2 under the action of the second elastic member 104, so as to drive the reset swing 106 to rotate through the reset connecting rod 105, and the reset swing 106 drives the dial pin 351 to rotate through the swing rod 106a, so as to reset the dial 35. During the process of setting a new password, the dial pin 351 eccentrically arranged on the dial 35 cooperates with the swing rod 106a in the reset swing 106 to drive the reset swing 106 to rotate around the rotation shaft, so as to push the reset push plate 102 to descend along the second direction f2 when the reset connecting rod 105 swings, and compress the second elastic member 104. At this time, the reset push plate 102 is clamped with the driving assembly 101 through two clamping parts. When locking, anticlockwise rotate the lock shell 10, after the cover plate 50 pushes each spline 34 to engage with the dial 35, the driving assembly 101 drives the first clamping part A1 to separate from the second clamping part A2, the reset push plate 102 ascends along the second direction f2 under the action of the second elastic member 104, so as to drive the reset swing 106 to rotate through the reset connecting rod 105, and the reset swing 106 drives the dial pin 351 to rotate through the swing rod 106a, so as to reset the dial 35, and prevent the new password set from being leaked.

[0073] In this application, please refer to Figures 11-15 , Figure 15is an assembly schematic diagram of a driving assembly and a lock shell provided by an embodiment of the present application. The driving assembly 101 can include a driving piece 101a, a transition driving piece 101b, a check plate 101c, and a third elastic piece 101d. The driving piece 101a is fixed on an inner bottom wall of the lock shell 10. The transition driving piece 101b is in sliding connection with the dial holder 31 and in sliding fit with the driving piece 101a. The check plate 101c is in contact with the transition driving piece 101b and arranged along a first direction f1. The third elastic piece 101d is located on a side of the check plate 101c away from the transition driving piece 101b, and both ends thereof can be in contact with the check plate 101c and the dial holder 31 respectively. The check plate 101c can have a first clamping portion A1.

[0074] Thus, as shown in Figure 14 , Figure 15 and Figure 16 , Figure 16 is a side view of a partial structure of a dial cipher lock provided by an embodiment of the present application. Taking Figure 16 as an example, in the process of rotating any dial clockwise to a password position, the tumbler 351 drives the left side swing lever 106a to rotate counterclockwise under the driving of the dial, and in turn drives the slider 105a to descend along a second direction f2 through the transition connecting rod 105b, drives the reset push plate 102 to descend and compress the second elastic piece 104, and also makes the second clamping portion A2 on the reset push plate 102 rub against the first clamping portion A1 on the check plate 101c to descend in one direction, so that the reset push plate 102 cannot rebound upward along the second direction f2. When the lock shell 10 is rotated clockwise to unlock, after the cover plate 50 drives each spline 34 to disengage from the dial 35, the lock shell 10 continues to rotate to drive the driving piece 101a to contact the transition driving piece 101b and further drive the transition driving piece 101b to move along the first direction f1 to push the check plate 101c to move against the action of the third elastic piece 101d, so that the first clamping portion A1 is separated from the second clamping portion A2, and the reset push plate 102 ascends along the second direction f2 under the action of the second elastic piece 104 to rotate the reset swing piece 106 through the reset connecting rod 105, and the reset swing piece 106 rotates the dial 35 to reset through the swing lever 106a to drive the tumbler 351. It should be noted that after the dial 35 is reset, the check plate 101c moves to the original position under the action of the third elastic piece 101d. In the process of setting a new password, the reset push plate 102 descends along the second direction f2, the second clamping portion A2 can slide relative to the first clamping portion A1, and after the reset push plate 102 descends to the lowest point, the second clamping portion A2 is clamped with the first clamping portion A1.

[0075] As shown in Figure 17 , Figure 17is a schematic diagram of the effect when the lock shell is locked. When the lock shell 10 is rotated counterclockwise to lock, after the cover plate 50 drives each spline 34 to engage the dial 35, the lock shell 10 continues to rotate to drive the driving member 101a to contact the transition driving member 101b and further drive the transition driving member 101b to move in the first direction f1 to push the check plate 101c to overcome the action of the third elastic member 101d, so that the first clamping part A1 is separated from the second clamping part A2, and the reset push plate 102 is lifted in the second direction f2 under the action of the second elastic member 104, so as to drive the reset swing piece 106 to rotate through the reset connecting rod 105, and the dial 35 is rotated and reset through the swing piece 106a pushing the dial pin 351.

[0076] It should be noted that the number password of each dial after the dial reset mechanism resets the dial can be determined according to the relative setting position of the dial pin in the dial and the dial reset mechanism. For example Figure 16 In the above embodiment, after the dial reset mechanism resets the dial, the number display of the four dials is “0000”.

[0077] For example, the second elastic member 104 and the third elastic member 101d can be a spring or a spring, and the dial holder 31 can have a mounting column Z1 for mounting the third elastic member 101d, so as to ensure that the third elastic member 101d will not be displaced during deformation. The dial holder 31 can also have a mounting column Z2 for mounting the second elastic member 104, so as to ensure that the second elastic member 104 will not be displaced during deformation.

[0078] For example, please refer to Figure 12 and Figure 18 , Figure 18 is a structure diagram of two clamping parts provided by the embodiment of the present application. The first clamping part A1 can include a plurality of first sawtooth protrusions A11 arranged in the second direction f2, and the second clamping part A2 can include a plurality of second sawtooth protrusions A21 matched with the plurality of first sawtooth protrusions A11. Wherein, when the reset push plate 102 descends in the second direction f2, the second sawtooth protrusion A21 is connected with the first sawtooth protrusion A11 in sliding connection; after the second sawtooth protrusion A21 is clamped with the first sawtooth protrusion A11, the second sawtooth protrusion A21 is used to limit the reset push plate 102 to ascend in the second direction f2. For example, the first sawtooth protrusion A11 can have a first sliding plane m1 extending obliquely downward, and a first clamping plane m2 having an acute angle with the first sliding plane m1, and the second sawtooth protrusion A21 can have a second sliding plane m3 extending obliquely upward, and a second clamping plane m4 having an acute angle with the second sliding plane m3; wherein the second sliding plane m3 is matched with the first sliding plane m1 in sliding connection, and the second clamping plane m4 is matched with the first clamping plane m2 in clamping connection.

[0079] Here, asFigure 15 As shown, the transition driving member 101b can have a first arc convex surface m5 and a second arc convex surface m6 symmetrically arranged along the first direction f1, and the driving member 101a can have an arc convex surface m7 matched with the first arc convex surface m5 and the second arc convex surface m6 in the transition driving member 101b. In this way, when rotating the lock clockwise, after the lock shell 10 drives the driving member 101a to rotate to the arc convex surface m7 being in contact with the first arc convex surface m5, the lock shell 10 is continuously rotated to drive the driving member 101a to move the transition driving member 101b along the first direction f1 to push the check plate 101c. When the lock shell 10 drives the driving member 101a to rotate to the arc convex surface m7 being at the intersection of the first arc convex surface m5 and the second arc convex surface m6, the arc convex surface m7 is in contact with the second arc convex surface m6, and the check plate 101c returns to the initial position under the action of the third elastic member 101d. When rotating the lock counterclockwise, after the lock shell 10 drives the driving member 101a to rotate to the arc convex surface m7 being in contact with the second arc convex surface m6, the lock shell 10 is continuously rotated to drive the driving member 101a to move the transition driving member 101b along the first direction f1 to push the check plate 101c. When the lock shell 10 drives the driving member 101a to rotate to the arc convex surface m7 being at the intersection of the first arc convex surface m5 and the second arc convex surface m6, the arc convex surface m7 is in contact with the first arc convex surface m5, and the check plate 101c returns to the initial position under the action of the third elastic member 101d.

[0080] For example, the bottom of the transition driving member 101b can have a guide groove (not shown in the figure) extending along the first direction f1, and the wheel carrier 31 can have a guide portion, at least part of which can be located in the guide groove and in sliding connection with the guide groove. In this way, through the cooperation of the guide groove and the guide portion, the movement of the transition driving member 101b can be guided and limited, and the movement accuracy of the transition driving member 101b is ensured.

[0081] Optionally, as shown in Figure 13 and Figure 16 , the reset link 105 in the wheel reset mechanism 100 can include a sliding block 105a and a transition link 105b. The sliding block 105a can be in sliding connection with the wheel carrier 31 and arranged opposite to the reset push plate 102 along the second direction f2, and the two ends of the transition link 105b can be hingedly connected with the sliding block 105a and one end of the reset swing piece 106, respectively. The sliding block 105a moves along the second direction f2 under the drive of the reset push plate 102 or the transition link 105b. For example, the side surface of the wheel carrier 31 can have a guide sliding groove C1 extending along the second direction f2, and part of the sliding block 105a can be located in the guide sliding groove C1 and in sliding connection with the guide sliding groove C1.

[0082] In the embodiments of the present application, please refer to Figure 19 ,Figure 19 is a structural schematic diagram of a dial lock provided by an embodiment of the present application. The dial lock can further include an outer cover plate 110 mounted at an opening of the lock housing 10, the lock housing 10 can rotate relative to the outer cover plate 110, and the outer cover plate can be fastened and connected with the mounting base 40 by screws, and part of the plurality of dials 35 extends from the outer cover plate 110 and is movably connected with the outer cover plate 110. Wherein, the outer side of the outer cover plate 110 can have a first marking piece B1 and a second marking piece B2 corresponding to the unlocking position W1 and the locking position W2 respectively. Wherein, the lock housing 10 can have a positioning piece B3 matched with the first marking piece B1 and the second marking piece B2.

[0083] In summary, the present application provides a dial lock, which can include a lock housing, a one-way locking piece and a dial lock mechanism. As a kind of dial lock, the dial lock adopts a pure mechanical structure, and only needs to rotate the lock housing to realize functions such as locking and unlocking, without the need for external and built-in energy, and without the need for a key to unlock, truly realizing a keyless and power-free safety locking function. In the unlocking or locking state, the dials can be freely rotated forward and backward, and after locking, even if the dials and the lock housing are rotated in any way or even knocked by external force, the dial lock cannot be unlocked. In addition, to unlock, the unlocking lever must be moved to the right when the four dial codes are correct, so as to pass through the one-way locking piece, and in the locking process, the unlocking lever can press down the one-way locking piece to enter the locking position, without the need for the unlocking lever to move to the right, avoiding the problem that the unlocking lever cannot move to the right after the dials are reset, resulting in the inability to lock. In the process of manual mechanical unlocking or locking of the dial lock, the dial reset mechanism pushes the tumbler to drive the password dials to rotate, so as to reset at least one password dial, and after unlocking or locking, there is no need to manually reset the password, eliminating the problem of password leakage due to forgetting. It should be noted that the dial reset mechanism usually resets each password dial to improve safety performance. Before locking, the dials can be manually rotated to change the new password after unlocking and resetting are completed.

[0084] The dial lock embodiment provided by the present application and the use method embodiment of the dial lock can be mutually referenced, and the present application will not be described here.

[0085] In the present application, the terms "first" and "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance. The term "a plurality of" refers to two or more, unless otherwise explicitly limited.

[0086] The above description is only optional embodiments of the present application, and does not limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A cylinder lock, characterized in that The invention relates to a lock, which comprises a lock shell, a one-way locking piece and a dial lock mechanism. The lock shell has a lock bolt, an inner side wall with a circumferentially extending arc-shaped sliding area, and a sliding groove distributed between the arc-shaped sliding area and an inner bottom wall of the lock shell, the extending direction of the sliding groove being parallel to the axial direction of the lock shell, and the arc-shaped sliding area having an open lock position and a close lock position at two ends thereof. A part of the one-way locking piece is elastic and located in the sliding groove. The dial lock mechanism is located in the lock shell and comprises a dial lock frame, an unlocking lever, an elastic piece, at least two splines, and at least two dials corresponding to the at least two splines, the dial lock frame being fixedly connected to a cabinet door, the unlocking lever being flush with the arc-shaped sliding area and being in sliding connection with the dial lock frame, a first end of the unlocking lever being in sliding connection with the arc-shaped sliding area, and the two ends of the elastic piece being in contact with the dial lock frame and a second end of the unlocking lever, respectively, each spline being rotatably sleeved on the unlocking lever and having a spline groove, and the side surface of the unlocking lever having a locking protrusion corresponding to each spline groove. When the dial lock is in a close lock state, the first end of the unlocking lever is located between the one-way locking piece and the close lock position, and each locking protrusion is distributed between the corresponding spline and the first end of the unlocking lever; when the dial lock is in an open lock state, the first end of the unlocking lever is located between the one-way locking piece and the open lock position; when the dial lock is switched from the close lock state to the open lock state, the dials drive the splines to rotate to target positions, the lock shell rotates to push the first end of the unlocking lever to move through another part of the one-way locking piece, so that each locking protrusion is slid into the corresponding spline groove, and the elastic piece pushes the second end of the unlocking lever to move after the first end of the unlocking lever slides through the one-way locking piece; when the dial lock is switched from the open lock state to the close lock state, the first end of the unlocking lever pushes another part of the one-way locking piece to move into the sliding groove and to slide through the one-way locking piece. The side of the one-way locking piece facing the close lock position has a first wedge surface parallel to the axial direction of the lock shell, and the side of the one-way locking piece facing the open lock position has a second wedge surface intersecting the axial direction of the lock shell, and the second wedge surface is inclined toward the first wedge surface.

2. The dial combination lock of claim 1, wherein, The one-way locking piece comprises a locking block and a first elastic piece, the first elastic piece being located in the sliding groove and having one end connected to the bottom of the sliding groove, and a part of the locking block extending into the sliding groove and being connected to the other end of the first elastic piece.

3. The dial combination lock of claim 2, wherein, The inner side wall of the lock shell further has a first sliding groove located between the one-way locking piece and the open lock position, and a second sliding groove symmetrically arranged with the first sliding groove along the axial direction of the lock shell; the dial lock further comprises a cover plate, an open lock separating piece and a close lock engaging piece located in the lock shell, the extending direction of the cover plate being parallel to the arrangement direction of the at least two splines and being in sliding connection with the unlocking lever, the cover plate having accommodation grooves corresponding to the at least two dials, and a part of each dial extending out of the corresponding accommodation groove, a part of the open lock separating piece being elastic and located in the first sliding groove, and a part of the close lock engaging piece being elastic and located in the second sliding groove.

4. A dial lock according to any one of claims 1-3, characterized in that ​ Wherein, when switching from the locked state to the unlocked state, the unlocking separation piece pushes the first end of the cover plate to move, and the cover plate drives the spline to move away from the corresponding dial along the axial direction of the unlocking rod, the second end of the cover plate pushes the other part of the locking engagement piece to move into the second sliding groove and slide through the locking engagement piece; when switching from the unlocked state to the locked state, the other part of the locking engagement piece pushes the second end of the cover plate to move, and the cover plate drives the spline to engage with the corresponding dial, the first end of the cover plate pushes the other part of the unlocking separation piece to move into the first sliding groove and slide through the unlocking separation piece.

5. The dial combination lock of claim 4, wherein, Each dial is fixed with a push pin on the side surface facing the end of the unlocking rod, and the push pin is eccentrically arranged; The dial password lock further comprises a dial reset mechanism configured to rotate the at least one dial by a certain angle in cooperation with the push pin in the at least one dial during the unlocking process of the dial password lock and after the dial disengages from the spline, or during the locking process of the dial password lock and after the dial engages with the spline.

6. The dial combination lock of claim 5, wherein, The dial reset mechanism comprises a driving assembly, a reset push plate, a rotating shaft, a second elastic piece, at least two reset connecting rods and at least two reset swing pieces in the lock shell; part of the driving assembly is arranged in the first direction and has a first clamping portion on the side facing the reset push plate, and the reset push plate has a second clamping portion on the side facing the driving assembly; part of the dial frame is located between the reset push plate and the bottom wall of the lock shell, and the two ends of the second elastic piece are in contact with the reset push plate and the part of the dial frame respectively; the rotating shaft is located between the unlocking rod and the inner bottom wall of the lock shell and is arranged in the second direction parallel to the unlocking rod, and the two ends of the rotating shaft are fixed on the dial frame; one end of the reset connecting rod is matched with the reset push plate, and the other end is hinged with one end of the reset swing piece, the other end of the reset swing piece has two swing rods arranged oppositely, the push pin is located between the two swing rods, and each swing rod has an avoidance slot matched with the gap of the unlocking rod on the side facing the push pin; the second direction is parallel to the axial direction of the lock shell and perpendicular to the first direction; Wherein, when the dial is rotated to the password position or the password position is changed, the reset swing piece is rotated around the rotating shaft by the cooperation of the push pin of the dial and the swing rod to push the reset push plate to descend in the second direction through the reset connecting rod, so as to compress the second elastic piece; after the dial disengages from the spline during the unlocking process or the dial engages with the spline during the locking process, the first clamping portion is separated from the second clamping portion driven by the driving assembly, and the reset push plate is lifted in the second direction driven by the second elastic piece, so as to rotate the reset swing piece through the reset connecting rod, and the reset swing piece drives the push pin through the swing rod to reset the dial.

7. The dial combination lock of claim 6, wherein, The driving assembly comprises a driving piece, a transition driving piece, a check plate and a third elastic piece. The driving piece is fixed on the bottom wall of the lock shell. The transition driving piece is in sliding connection with the dial carrier and in sliding cooperation with the driving piece. The check plate is in contact with the transition driving piece and arranged along the first direction. The third elastic piece is located on the side of the check plate away from the transition driving piece and in contact with the check plate and the dial carrier at two ends respectively. The check plate has the first clamping part.

8. The dial combination lock of claim 7, wherein, The reset connecting rod comprises a sliding block and a transition connecting rod. The sliding block is in sliding connection with the dial carrier and arranged opposite to the reset push plate along the second direction. The two ends of the transition connecting rod are hingedly connected with the sliding block and one end of the reset swing piece respectively. The sliding block is driven by the reset push plate or the transition connecting rod to move along the second direction.

9. A dial lock according to any one of claims 6 to 8, wherein, The first clamping part comprises a plurality of first sawtooth-shaped protrusions arranged along the second direction. The second clamping part comprises a plurality of second sawtooth-shaped protrusions matched with the first sawtooth-shaped protrusions. When the reset push plate descends along the second direction, the second sawtooth-shaped protrusions are in sliding connection with the first sawtooth-shaped protrusions. After the second sawtooth-shaped protrusions are clamped with the first sawtooth-shaped protrusions, the reset push plate is limited to ascend along the second direction.

10. The dial combination lock of claim 7, wherein, The transition driving piece has a first arc-shaped convex surface and a second arc-shaped convex surface symmetrically arranged along the first direction. The driving piece has an arc-shaped convex surface matched with the first arc-shaped convex surface and the second arc-shaped convex surface.

Images