CN211818705U

CN211818705U - Puzzle lock

Info

Publication number: CN211818705U
Application number: CN201922140365.5U
Authority: CN
Inventors: 李万华
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-04
Filing date: 2019-12-04
Publication date: 2020-10-30
Anticipated expiration: 2029-12-04

Abstract

The utility model provides a coded lock, which comprises a body, wherein the body is provided with a lock catch component, an unlocking component matched with the lock catch component for use and a coded component for adjusting the state of the unlocking component; the lock catch assembly comprises a lock catch base arranged on the body and two adjacent lock catch pieces arranged on one side of the lock catch base facing the front face of the body; the unblock subassembly meets with two unblock pieces respectively and is used for the first elastic component that resets the unblock piece, is used for driving two unblock piece synchronous motion's driving plate and installs on the body and link to each other with the driving plate in order to drive the removal slide that the driving plate removed including installing two unblock pieces on the hasp base towards one side of body bottom surface. The utility model discloses a remove the slide and drive the driving plate and remove to drive two unlocking piece synchronous motion, make two unlocking piece remove the locking to the chain head in step, simple structure, it is easy and simple to handle.

Description

Puzzle lock

Technical Field

The utility model relates to a tool to lock technical field especially relates to a trick lock.

Background

The problem of property and information security is always a problem which is highly regarded by various industries, so that the lock is applied everywhere, but the traditional lock needs to carry a key with the user, so that inconvenience and even trouble are brought, and the coded lock is popular and used by more and more people without the need of the key. From traditional cabinet combination locks to rope combination locks for computer applications, combination locks are gaining more and more applications. The existing coded lock is complex in structure, unstable in unlocking and inconvenient to use.

SUMMERY OF THE UTILITY MODEL

The utility model provides a coded lock for solving the technical problem that the structure of the existing coded lock is too complex.

The utility model provides a coded lock, which comprises a body, wherein the body is provided with a lock catch component, an unlocking component matched with the lock catch component for use and a coded component for adjusting the state of the unlocking component; when the coded lock is used, one surface of the body facing a user is a front surface, and the other surface of the body is a bottom surface; the lock catch assembly comprises a lock catch base arranged on the body and two adjacent lock catch pieces arranged on one side of the lock catch base facing the front face of the body; the unblock subassembly is including installing the hasp base orientation two unblock pieces on one side of body bottom surface, respectively with two the unblock piece meets and is used for with the first elastic component that the unblock piece resets, be used for driving two unblock piece synchronous movement's driving plate and install on the body and with the driving plate links to each other in order to drive the removal slide that the driving plate removed.

Furthermore, the lock catch piece comprises a lock catch piece body, a rotating shaft penetrating through the lock catch piece body, a propping part arranged on the lock catch piece body and a torsion spring arranged on the lock catch piece body; the side of the lock catch base facing the front face of the body is provided with two lock catch piece grooves for respectively accommodating the two lock catch pieces; a first rotating shaft accommodating part for accommodating the rotating shaft is arranged on two sides of the locking piece groove; the body is provided with a second rotating shaft accommodating part which is matched with the first rotating shaft accommodating part for use so as to fix the lock catch piece on the lock catch base.

Furthermore, two unlocking piece grooves for installing the unlocking pieces are formed in one side, facing the bottom surface of the body, of the lock catch base; the part, overlapped on the same plane, of the locking piece groove and the unlocking piece groove is hollow; the unlocking piece is provided with a position avoiding part for moving the abutting part of the locking piece on one surface facing the locking base.

Furthermore, a transmission part extending towards the direction far away from the lock catch base is arranged on one surface of the unlocking piece far away from the lock catch base; the transmission plate is provided with transmission part grooves matched with the transmission parts on the two unlocking parts; the transmission part is provided with an inclined first guide surface; and a second guide surface matched with the first guide surface for use is arranged in the transmission part groove.

Furthermore, the password assembly comprises an adjusting rod, a plurality of circular ring parts sleeved on the adjusting rod, and a digital wheel sleeved on the circular ring parts; the adjusting rod is provided with a contact part which is contacted with the movable sliding seat; the circular ring part is provided with a first bump; the adjusting rod is provided with a through groove for the first bump to pass through; the adjusting rod is also provided with rotating parts for rotating the circular ring part in a number corresponding to the circular ring part; the number of the rotating parts corresponds to the number of the circular parts.

Furthermore, a first clamping part is arranged at one end, close to the contact part, of the circular ring part; the digital wheel is provided with a second clamping part matched with the first clamping part; and a second elastic piece is arranged between the circular ring part close to the contact part and the contact part.

Furthermore, the password component also comprises a first password resetting piece arranged on the body and a second password resetting piece matched with the first password resetting piece; the first password resetting piece is provided with a third inclined guide surface; a fourth guide surface matched with the third guide surface is arranged on the second password resetting piece; the first password resetting piece is also provided with a password resetting pressing part penetrating out of the body; the second password resetting piece is also provided with a penetrating part for the adjusting rod to penetrate through; the penetrating part is also internally provided with a second lug matched with the penetrating groove for use.

Furthermore, the body is provided with an adjusting guide groove for accommodating the movable sliding seat; the body is in regulation guide slot department is equipped with the regulation guide hole that supplies to remove the slide and wear to establish.

Furthermore, an installation groove is formed in the movable sliding seat; a customs lock is arranged in the mounting groove; the transmission plate is provided with a guide groove matched with the customs lock for use so as to drive the transmission plate to move; the password component is provided with a cover plate for fixing the password component in the body; and a third elastic piece for resetting the transmission plate is arranged between the transmission plate and the cover plate.

Furthermore, a digital groove for the digital wheel to penetrate out is arranged on the front surface of the body; the number of the digital slots corresponds to the number of the digital wheels; the front of the body is also provided with two insertion grooves for the insertion of the chain head.

The utility model has the advantages that: the utility model discloses a set up the password subassembly to set up the password when locking, can unblock through the password, after the correct password of input, it is right to remove the locking of slide, make it can drive to remove the slide the driving plate removes to drive two unlocking piece synchronous motion, make two unlocking piece synchronous release right the locking of hasp piece makes the hasp piece can the body reaches space between the hasp base removes, thereby the user can stimulate the chain head and drive hasp piece removes to remove the locking to the antithetical couplet head, simple structure, easy and simple to handle.

Drawings

Fig. 1 is a perspective view of the combination lock of the present invention.

Fig. 2 is another perspective view of the combination lock of the present invention.

Fig. 3 is a perspective view of the body of the combination lock of the present invention.

Fig. 4 is another perspective view of the body of the combination lock of the present invention.

Fig. 5 is a perspective view of the combination lock of the present invention with the body removed.

Fig. 6 is another perspective view of the combination lock of the present invention with the body removed.

Fig. 7 is a perspective view of an embodiment of the combination lock of the present invention.

Fig. 8 is a perspective view of the lock catch base of the combination lock of the present invention.

Fig. 9 is another perspective view of the lock catch base of the combination lock of the present invention.

Fig. 10 is a perspective view of the adjusting lever of the combination lock of the present invention.

Fig. 11 is a perspective view of the driving plate of the combination lock of the present invention.

Fig. 12 is a perspective view of the ring portion of the present invention.

Fig. 13 is a perspective view of the digital wheel of the present invention.

Fig. 14 is a schematic view illustrating the connection between the unlocking member and the first elastic member according to the present invention.

Fig. 15 is a perspective view of the unlocking member of the present invention.

Fig. 16 is a perspective view of a second combination reset of the present invention.

Fig. 17 is a perspective view of the first combination resetting member of the present invention.

Fig. 18 is a perspective view of the locking element of the present invention.

Figure 19 is a perspective view of another embodiment of the combination lock of the present invention

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1 to 19, the present invention provides a combination lock, which comprises a body 1, wherein the body 1 is provided with a locking assembly, an unlocking assembly used in cooperation with the locking assembly, and a combination assembly for adjusting the state of the unlocking assembly; the locking assembly is used for locking the chain head; the unlocking assembly is used for unlocking the chain head by the locking assembly; when the coded lock is used, one surface of the body 1 facing a user is a front surface, and the other surface of the body is a bottom surface; the lock catch component comprises a lock catch base 21 arranged on the body 1 and two adjacent lock catch pieces 22 arranged on one side of the lock catch base 21 facing the front side of the body 1; the unblock subassembly is including installing hasp base 21 orientation two unblock pieces 23 on one side of body 1 bottom surface, respectively with two unblock piece 23 meet be used for with the first elastic component 24 that unblock piece 23 resets, be used for driving two unblock piece 23 synchronous movement's driving plate 25 and install on body 1 and with driving plate 25 links to each other in order to drive the removal slide 26 that driving plate 25 removed.

In this embodiment, by providing the password component, the password is set while being locked, and the unlocking can be performed by the password, after the correct password is input, the locking of the movable slide seat 26 is released, so that the movable slide seat 26 can drive the transmission plate 25 to move, thereby driving the two unlocking pieces 23 to move synchronously (at this time, the two unlocking pieces 23 move to press the first elastic piece 24 to deform elastically), so that the two unlocking pieces 23 synchronously unlock the locking piece 22, so that the locking piece 22 can move in the space between the body 1 and the lock catch base 21, so that the user can pull the chain head to drive the locking piece 22 to rotate, so that the opening of the locking piece 22 faces upward, so that the chain head can be separated from the locking piece 22, thereby releasing the locking of the chain head, and after the user stops moving the movable slide seat 26, the elastic force of the first elastic element 24 returning to the elastic state can drive the unlocking element 23 to return, thereby driving the transmission plate 25 and the movable sliding seat 26 to return to the initial position.

The utility model can be widely applied to the luggage case, the schoolbag and other products with zippers.

In one embodiment, the locking member 22 includes a locking member body 221, a rotating shaft 222 penetrating the locking member body 221, a pressing portion 223 disposed on the locking member body 221, and a torsion spring disposed on the locking member body 221; the side of the lock catch base 21 facing the front of the body 1 is provided with two lock catch grooves 211 for respectively accommodating the two lock catches 22; a first rotating shaft accommodating part 212 for accommodating the rotating shaft 222 is arranged at two sides of the fastener groove 211; the body 1 is provided with a second rotating shaft accommodating portion 11 which is used in cooperation with the first rotating shaft accommodating portion 212 to fix the locking member 22 to the locking base 21.

Furthermore, the side of the lock base 21 facing the bottom surface of the body 1 is provided with two unlocking member slots 213 for installing the unlocking members 23; the part of the locking piece groove 211 and the part of the unlocking piece groove 213 which are overlapped on the same plane are hollowed out; the unlocking member 23 is provided with a space-avoiding portion 231 for moving the abutting portion of the locking member 22 on a surface facing the locking base 21.

In this embodiment, the rotating shaft 222 of the locking element 22 is installed in the space between the first rotating shaft receiving portion 212 and the second rotating shaft receiving portion 11, so that the locking element body 221 is located in the locking element groove 211, and the body 1 is provided with an insertion groove 15 for inserting a chain head, and the chain head can be inserted through the insertion groove 15, so as to contact with the locking element 22, so that the locking element 22 can lock the chain head in the insertion groove 15; when the user inputs a correct password and moves the movable slide seat 26, the movable slide seat 26 drives the transmission plate 25 to move, so that the unlocking piece 23 moves through the cooperation of the transmission plate 25 and the unlocking piece 23, the position-avoiding portion 231 on the unlocking piece 23 appears on the locking piece groove 211, the unlocking piece 23 releases the abutting action on the abutting portion 223 of the locking piece 22, and the locking piece 22 obtains a moving space for rotation, at this time, the user only needs to pull the chain head in a direction away from the insertion groove 15, so that the chain head drives the locking piece 22 to rotate in the space between the first rotating shaft accommodating portion 212 and the second rotating shaft accommodating portion 11, so that the opening of the locking element 22 faces the insertion direction of the insertion slot 15, and the locking of the chain head is released.

In one embodiment, the unlocking member 23 is provided with a transmission part 232 extending away from the lock base 21 on a surface away from the lock base 21; the transmission plate 25 is provided with a transmission part groove 251 used in cooperation with the transmission parts 232 on the two unlocking parts 23; the transmission part 232 is provided with an inclined first guide surface 2321; a second guide surface 2511 matched with the first guide surface 2321 for use is arranged in the transmission part groove 251; when the movable slide seat 26 drives the transmission plate 25 to move laterally, the transmission portion groove 251 drives the transmission portion 232 to move vertically (when two unlocking members 23 move to press the first elastic member 24 to deform elastically) through the cooperation of the first guide surface 2321 and the second guide surface 2511, so that the avoiding portion 231 on the unlocking member 23 appears on the locking member groove 211, and the unlocking member 23 releases the abutting action on the abutting portion 223 of the locking member 22, so that the locking member 22 obtains a rotating moving space, and at this time, the user only needs to pull the chain head in a direction away from the insertion groove 15, so that the chain head drives the locking member 22 to rotate in the space between the first rotation axis accommodating portion 212 and the second rotation axis accommodating portion 11, and the opening of the locking member 22 faces the insertion direction of the insertion groove 15, when the user stops applying force to the movable slide seat 26, the elastic force recovered by the two first elastic members 24 drives the unlocking member 23 to move in the vertical direction, so as to push the unlocking member 23 to recover the original position, thereby limiting the abutting portion 223 of the locking member 22 again.

In one embodiment, the combination assembly includes an adjusting rod 41, a plurality of circular rings 42 sleeved on the adjusting rod 41, and a number wheel 43 sleeved on the circular rings 42; the adjusting rod 41 is provided with a contact part 411 which is in contact with the movable sliding seat 26; the circular part 42 is provided with a first bump 421; the adjusting rod 41 is provided with a through slot 412 for the first projection 421 to pass through; the adjusting rod 41 is further provided with rotating portions 413 which are used for rotating the circular portion 42 and have the number corresponding to that of the circular portion 42.

In this embodiment, when in a locked state, the first protrusion 421 of the circular ring 42 does not correspond to the through slot 412 of the adjusting rod 41, because the digital wheel 43 is mounted on the digital slot 14, the digital wheel 43 can keep not to generate lateral displacement, when a user wants to push the moving slide 26 and further drive the transmission plate 25 to move to unlock the present invention, the first protrusion of the circular ring 42421 is clamped on the sidewall of the rotating portion 413, so as to abut against the adjusting rod 41, so that the user cannot push the moving slide 26 to unlock the present invention, so as to achieve an encryption effect, when the user rotates the digital wheel 43, so that each digital wheel 43 rotates to a set corresponding password, at this time, the first protrusion 421 of the circular ring 42 just corresponds to the through slot 412 of the adjusting rod 41, when the user pushes the moving slide seat 26 to push the adjusting rod 41 to move, the through groove 412 on the adjusting rod 41 can smoothly pass through the first projection 421 of the circular portion 42, so that the user can push the moving slide seat 26 to unlock the combination lock.

In a specific embodiment, the circular portion 42 is provided with a first clamping portion 422 at an end close to the contact portion 411; a second clamping portion 431 matched with the first clamping portion 422 for use is arranged on the digital wheel 43; a second elastic piece 44 is arranged between the circular ring part 42 close to the contact part 411 and the contact part 411; through the first joint portion 422 and the collocation of second joint portion 431, make when digital wheel 43 rotates, can drive ring portion 42 rotates in step, is close to contact portion 411 ring portion 42 with be equipped with second elastic component 44 between the contact portion 411, make removal slide 26 can drive under user's promotion adjust pole 41 and oppress in the process of removing second elastic component 44, thereby make second elastic component 44 takes place elastic deformation, and it is right to user stops remove slide 26 application of force after, the elasticity that second elastic component 44 resumes can drive adjust pole 41 promotes remove slide 26 resumes to the normal position.

In one embodiment, the combination further includes a first combination resetting member 45 mounted on the body 1 and a second combination resetting member 46 used in cooperation with the first combination resetting member 45; the first combination reset piece 45 is provided with a third inclined guide surface 451; the second combination resetting piece 46 is provided with a fourth guide surface 461 matched with the third guide surface 451; the first password resetting piece 45 is also provided with a password resetting pressing part 452 penetrating out of the body 1; the second combination resetting piece 46 is also provided with a penetrating part 462 for the adjusting rod 41 to penetrate through; a second projection 4621 matched with the passing groove 412 is arranged in the passing part 462; the second engaging portion 431 of the digital wheel 43 is disposed at the side facing the movable sliding seat 26, when the password needs to be reset, the user needs to input the correct password first, so that the through slot 412 of the adjusting rod 41 is located at the corresponding position with the first protrusions 421 of the plurality of circular portions 42, at this time, the password reset press 452 is pressed, so that the first password reset piece 45 is pressed down, under the cooperation of the third guiding surface 451 and the fourth guiding surface 461, the second password reset piece 46 moves towards the movable sliding seat 26, so as to prop against the circular portion 42 to move towards the direction close to the movable sliding seat 26, so that the circular portion 42 is disengaged from the engaging with the digital wheel 43, at this time, the user can freely rotate the digital wheel 43, change the password on the digital wheel 43, after setting the new password, when the user releases the pressing of the password resetting pressing portion 452, the circular portion 42 moves away from the movable slide seat 26 under the elastic force of the third elastic member 51, and is then snapped with the digital wheel 43, so that a password newly set by the user is generated.

In a particular embodiment, the body 1 is provided with an adjustment guide 12 housing the mobile slide 26; the body 1 is provided with an adjusting guide hole 13 for a movable sliding seat 26 to penetrate through at the adjusting guide groove 12; the movable carriage 26 is mounted in the adjustment guide 12, and by mounting both side walls of the movable carriage 26 in the adjustment guide holes 1326, the movable carriage is allowed to move relative to the adjustment guide 12, leaving a stroke space for the movable carriage 26.

In one embodiment, the movable sliding seat 26 is provided with a mounting groove; a customs lock 261 is arranged in the mounting groove; the transmission plate 25 is provided with a guide groove 252 which is matched with the customs lock 261 to drive the transmission plate 25 to move; by arranging the customs lock 261, customs personnel can open the corresponding luggage through a customs key when carrying out emergency inspection on the luggage, and at the moment, the customs lock 261 is rotated, so that a rotating piece on the customs lock 261 can move along the guide groove 252, the transmission plate 25 is driven to move, and the emergency inspection effect of the customs lock 261 is further achieved, and a cover plate for fixing the password component in the body 1 is arranged at the password component; a third elastic element 51 for resetting the transmission plate 25 is arranged between the transmission plate 5 and the cover plate 5; by providing the third elastic member 51, the stability of the return of the driving plate 25 can be enhanced.

In one embodiment, the first elastic member 24, the second elastic member 44 and the third elastic member 51 are springs.

In a specific embodiment, a digital groove 14 for the digital wheel 43 to pass through is arranged on the front surface of the body 1; the number of the number slots 14 corresponds to the number wheel 43; so that the user can turn the number wheel 43 to unlock or reset the combination; the front surface of the body 1 is also provided with two insertion grooves 15 for inserting the chain heads; so that the chain head can be inserted through the insertion slot 15, thereby achieving the effect of locking the chain head by the locking element 22.

In the description herein, references to the description of the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing is a more detailed description of the present invention that is presented in conjunction with specific embodiments, and it is not to be understood that the specific embodiments of the present invention are limited to these descriptions. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement.

Claims

1. A combination lock, characterized in that: the lock comprises a body, wherein a lock catch assembly, an unlocking assembly matched with the lock catch assembly and a password assembly used for adjusting the state of the unlocking assembly are arranged on the body; when the coded lock is used, one surface of the body facing a user is a front surface, and the other surface of the body is a bottom surface; the lock catch assembly comprises a lock catch base arranged on the body and two adjacent lock catch pieces arranged on one side of the lock catch base facing the front face of the body; the unblock subassembly is including installing the hasp base orientation two unblock pieces on one side of body bottom surface, respectively with two the unblock piece meets and is used for with the first elastic component that the unblock piece resets, be used for driving two unblock piece synchronous movement's driving plate and install on the body and with the driving plate links to each other in order to drive the removal slide that the driving plate removed.

2. The combination lock of claim 1, wherein: the lock catch piece comprises a lock catch piece body, a rotating shaft penetrating through the lock catch piece body, a propping part arranged on the lock catch piece body and a torsion spring arranged on the lock catch piece body; the side of the lock catch base facing the front face of the body is provided with two lock catch piece grooves for respectively accommodating the two lock catch pieces; a first rotating shaft accommodating part for accommodating the rotating shaft is arranged on two sides of the locking piece groove; the body is provided with a second rotating shaft accommodating part which is matched with the first rotating shaft accommodating part for use so as to fix the lock catch piece on the lock catch base.

3. The combination lock of claim 2, wherein: two unlocking piece grooves for installing the unlocking piece are formed in one side, facing the bottom surface of the body, of the lock catch base; the part, overlapped on the same plane, of the locking piece groove and the unlocking piece groove is hollow; the unlocking piece is provided with a position avoiding part for moving the abutting part of the locking piece on one surface facing the locking base.

4. The combination lock of claim 1, wherein: the unlocking piece is provided with a transmission part extending towards the direction far away from the lock catch base on the surface far away from the lock catch base; the transmission plate is provided with transmission part grooves matched with the transmission parts on the two unlocking parts; the transmission part is provided with an inclined first guide surface; and a second guide surface matched with the first guide surface for use is arranged in the transmission part groove.

5. The combination lock of claim 1, wherein: the password assembly comprises an adjusting rod, a plurality of circular ring parts sleeved on the adjusting rod and a digital wheel sleeved on the circular ring parts; the adjusting rod is provided with a contact part which is contacted with the movable sliding seat; the circular ring part is provided with a first bump; the adjusting rod is provided with a through groove for the first bump to pass through; the adjusting rod is also provided with rotating parts for rotating the circular ring part in a number corresponding to the circular ring part; the number of the rotating parts corresponds to the number of the circular parts.

6. The combination lock of claim 5, wherein: a first clamping part is arranged at one end, close to the contact part, of the circular ring part; the digital wheel is provided with a second clamping part matched with the first clamping part; and a second elastic piece is arranged between the circular ring part close to the contact part and the contact part.

7. The combination lock of claim 5, wherein: the password component also comprises a first password resetting piece arranged on the body and a second password resetting piece matched with the first password resetting piece; the first password resetting piece is provided with a third inclined guide surface; a fourth guide surface matched with the third guide surface is arranged on the second password resetting piece; the first password resetting piece is also provided with a password resetting pressing part penetrating out of the body; the second password resetting piece is also provided with a penetrating part for the adjusting rod to penetrate through; the penetrating part is also internally provided with a second lug matched with the penetrating groove for use.

8. The combination lock of claim 1, wherein: the body is provided with an adjusting guide groove for accommodating the movable sliding seat; the body is in regulation guide slot department is equipped with the regulation guide hole that supplies to remove the slide and wear to establish.

9. The combination lock of claim 8, wherein: the movable sliding seat is provided with an installation groove; a customs lock is arranged in the mounting groove; the transmission plate is provided with a guide groove matched with the customs lock for use so as to drive the transmission plate to move; the password component is provided with a cover plate for fixing the password component in the body; and a third elastic piece for resetting the transmission plate is arranged between the transmission plate and the cover plate.

10. The combination lock of claim 5, wherein: a digital groove for the digital wheel to penetrate out is arranged on the front surface of the body; the number of the digital slots corresponds to the number of the digital wheels; the front of the body is also provided with two insertion grooves for the insertion of the chain head.