CN220522267U - Coded lock head convenient for changing codes and coded box thereof - Google Patents

Abstract

The utility model discloses a coded lock head convenient for changing a code, which comprises a bottom plug, wherein the bottom plug is provided with a bottom plug, the bottom plug is provided with an unlocking groove for enabling an unlocking piece to pass through, the coded lock head also comprises a cover plug, the cover plug is provided with a plurality of code symbols, the lower end of the cover plug is provided with a rotary plug, the bottom plug is provided with a rotary jack, the rotary plug is in plug-in fit with the rotary jack, the bottom plug is provided with a plurality of positioning slots corresponding to the code symbols, and the inner side of the cover plug is provided with a positioning plug block.

Description

Coded lock head convenient for changing codes and coded box thereof

Technical Field

The utility model relates to the technical field of coded locks and coded boxes for unlocking in writing cases, in particular to a coded lock and a coded box thereof, wherein the coded lock is convenient for changing codes.

Background

The utility model provides a combination lock writing case, namely install a combination lock on writing case, when the numeral of combination lock corresponds to the numeral of predetermineeing, the notch of two unlocking grooves in the combination lock is mutually link up, hand is broken and is moved the handle this moment, thereby drive two unlocking block lateral shifting, the unlocking block can get into the unlocking groove, again drive the pothook by the unlocking block and remove, make the pothook of writing case lid and the pothook of box body break away from, thereby accomplish the unblock, however, traditional such combination lock's password is all set for in advance, for example according to the mould demand, the producer can set up the combination of how big in time from 1,1 to 0,0 or 1,2 to 9,1, so, the cost of opening the mould just is very high for the mould, so many producers just provide little common combination, on the other hand, the student when receiving such combination lock, the later stage wants to change other passwords also is not changed, this brings very bad experience for using.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model aims to provide a coded lock head and a coded box thereof, which are convenient for changing codes, so as to solve the technical problems mentioned in the background art.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model provides a password tapered end convenient to change password, includes end plug-in components, be equipped with end plug on the end plug-in components, be equipped with the unblock groove that supplies the unblock piece to step down to pass through on the end plug-in components, be equipped with a plurality of password symbols on the lid plug-in components, the lower extreme of lid plug-in components is equipped with the commentaries on classics plug, is equipped with the commentaries on classics jack on classics plug-in components on the end plug-in components, the position that corresponds a plurality of password symbols on the end plug-in components is equipped with a plurality of positioning slot, the inboard of lid plug-in components is equipped with the location plug-in block, makes location plug-in block and current positioning slot break away from and with other positioning slot joint through pulling up the lid plug-in components, can change the unblock password of this password tapered end.

The rotary plug comprises a slot, a first anti-falling part and a second anti-falling part, wherein the slot is positioned in the middle of the rotary plug and divides the rotary plug into a left plug and a right plug, the first anti-falling part is positioned in the middle of the left plug and the right plug, the second anti-falling part is positioned at the bottoms of the left plug and the right plug, the first anti-falling part is used for clamping the lower end face of the rotary jack to prevent the rotary plug from falling out of the rotary jack, and the second anti-falling part is used for preventing the rotary plug from falling out of the rotary jack when the cover plug-in is pulled up to modify the unlocking password.

The second anti-falling part is a barb anti-falling part.

The improvement is that the outer side of the cover plug-in corresponding to the code symbol is provided with an indexing protrusion for aligning with an unlocking groove at the lower end when the code is not slipped and changed.

The further improvement is, still be equipped with the clearance of stepping down on the bottom plug, one of them clearance of stepping down and unblock groove intercommunication, the bottom outside of bottom plug still is equipped with the barb portion that can insert the bottom plug at the cipher case and prevent to deviate from.

The utility model also discloses a cipher case, including base, case lid and unblock piece, base and the mutual joint of case lid, the unblock piece sets up between base and case lid, this cipher case contains foretell cipher tapered end, all coaxial on base, case lid and the unblock piece is equipped with the tapered end hole that supplies the cipher tapered end to insert usefulness, the one end of unblock piece is equipped with the handle, the other end is equipped with the lockpin, the position that corresponds the handle on the case lid is equipped with spacing spout, and the handle slides in spacing spout, the opposite side of unblock piece still is equipped with the trip, and when rotating the correct cipher sign orientation handle position, it can make the trip remove to break the lockpin to drive the lockpin into the unblock groove to accomplish the unblock.

The improved lock is characterized in that a plurality of lock holes are formed, the lock holes are distributed on the base, the box cover and the unlocking piece in an array mode, and the coded lock and the corresponding lock pins are also formed in a plurality of mode to form a multi-coded lock unlocking combination.

Compared with the prior art, the utility model has the beneficial effects that:

(1) According to the utility model, the traditional integrated coded lock head is replaced by a mode that the cover plug-in and the bottom plug-in are separated, the rotary plug hole is formed in the bottom plug-in, the rotary plug is arranged on the cover plug-in, the rotary plug is spliced with the rotary plug hole, the positioning plug block is arranged on the cover plug-in, the positioning slot is formed in the bottom plug-in, and the positioning plug block is spliced with different positioning slots by pulling up the cover plug-in, so that the code of the coded lock head can be changed.

(2) The utility model also provides two anti-falling parts on the rotary plug, the first anti-falling part is used for preventing the rotary plug from falling off from the rotary jack, and the second anti-falling part is used for preventing the whole cover plug from falling off from the bottom plug when the cover plug is pulled up to replace the password.

Drawings

Fig. 1: the integral structure of the coded lock head is an exploded view I;

fig. 2: the second exploded view of the whole structure of the coded lock head of the utility model;

fig. 3: the third exploded view of the whole structure of the coded lock head of the utility model;

fig. 4: the radial sectional view of the coded lock head is shown as a first drawing;

fig. 5: the radial sectional view of the coded lock head is II;

fig. 6: the first assembly drawing of the coded lock head is provided;

fig. 7: a second assembly drawing is assembled for the coded lock head of the utility model;

fig. 8: the first assembly drawing is a cipher box structure of the utility model;

fig. 9: the second assembly drawing is a cipher box structure of the utility model;

fig. 10: the password box structure is an exploded view I;

fig. 11: a second exploded view of the structure of the cipher case of the present utility model;

in the figure: the coded lock head 100, the bottom plug 1, the bottom plug 11, the unlocking groove 111, the cover plug 2, the coded symbol 21, the rotary plug 22, the rotary plug hole 12, the positioning slot 13, the positioning plug 23, the slot 221, the first anti-falling part 222, the second anti-falling part 223, the left plug 220, the right plug 230, the transposition protrusion 24, the yielding gap 112, the barb part 113, the base 3, the box cover 4, the unlocking piece 5, the lock head hole 301, the handle 51, the lock pin 52, the limiting chute 41 and the clamping hook 53.

Detailed Description

The present utility model will be further described with reference to the accompanying drawings and detailed description, wherein it is to be understood that, on the premise of no conflict, the following embodiments or technical features may be arbitrarily combined to form new embodiments.

Referring to fig. 1 to 11:

referring first to FIGS. 1-7, example 1: in this embodiment, a coded lock head convenient for changing a code is disclosed, and is used for being inserted on a code box to be matched with the code box, and the coded lock head comprises a bottom plug 1, wherein a bottom plug 11 is arranged on the bottom plug 1, an unlocking groove 111 for allowing a lock pin 52 of an unlocking piece 5 to pass through is arranged on the bottom plug 11, and the coded lock head further comprises a cover plug 2, a plurality of code symbols 21 are arranged on the cover plug 2, preferably, arabic numbers, english letters or other symbols can be adopted as the code symbols 21, a rotary plug 22 is arranged at the lower end of the cover plug 2, a rotary plug hole 12 is arranged on the bottom plug 1, the rotary plug 22 is matched with the rotary plug hole 12 in a plugging manner to realize the mutual locking of the cover plug 2 and the bottom plug 1, a plurality of positioning slots 13 are arranged at positions corresponding to the plurality of code symbols 21 on the bottom plug 1, a positioning plug 23 is arranged on the inner side of the cover plug 2, the unlocking password of the password lock 100 can be changed by pulling the cover plug 2 to separate the positioning plug block 23 from the current positioning slot 13 and clamping with other positioning slots 13, when the user wants to modify the current password, only the cover plug 2 needs to be pulled up to find the corresponding password symbol 21 which wants to be modified, then the password symbol is aligned with the upper end position of the unlocking slot 111 and then directly inserted, after the insertion, the positioning plug block 23 positioned on the cover plug 2 reaches the positions of other positioning slots 13 according to the rotating angle for insertion, for example, the password symbol 21 has 10 digits, the upper end cover surface of the whole cover plug 2 is divided into 10 areas, the angle of each area is 36 degrees, the bottom of 1 is the position of the unlocking slot 111 on the assumption that the initial password is 1, the position of the positioning plug block 23 is also positioned at the lower end of 1, the left side of 1 is the number 2, the right side of 1 is the number 0, the user wants to modify the password 2, only one symbol scale position is required to be rotated anticlockwise, namely, approximately 36 degrees is required to rotate, so that the number 2 is aligned to the unlocking slot 111, then the positioning insert 23 enters the positioning slot 13 below the original number 0 position, namely, the target password only needs to correspondingly find the unlocking slot 111 position, the positioning insert 23 enters the other positioning slots 13 along the rotated symbol scale position, and only after the positioning insert 23 is inserted into any one positioning slot 13, the cover insert 2 and the bottom insert 1 cannot be rotated, then a user only rotates the symbol scale of the password to the position corresponding to the unlocking slot 111 to unlock the handle 51 of the password box, otherwise, the password lock 100 of the general password box is often provided with a plurality of combinations, but not one, so that the unlocking difficulty is increased.

Referring to fig. 1, fig. 4 and fig. 5, specifically, the rotary plug 22 includes a slot 221, a first anti-drop portion 222 and a second anti-drop portion 223, where the slot 221 is located in the middle of the rotary plug 22 and divides the rotary plug 22 into two parts of a left plug 220 and a right plug 230, the slot 221 is configured to enable the left plug 220 and the right plug 230 to have a certain elasticity, so that the rotary plug is convenient to be plugged into the rotary plug 12 at a later stage, the first anti-drop portion 222 is located in the middle of the left plug 220 and the right plug 230, the second anti-drop portion 223 is located at the bottom of the left plug 220 and the right plug 230, the first anti-drop portion 222 is used for clamping with the lower end surface of the rotary plug 12 to prevent the rotary plug 22 from falling out from the rotary plug 12, and the second anti-drop portion 223 is used for preventing the rotary plug 22 from falling out from the rotary plug 12 when the cover plug 2 is pulled up to modify the unlocking password, specifically, when the cover plug 2 is pulled up, the first anti-drop portion 222 is buffered at first, the first anti-drop portion 222 is located at the middle of the rotary plug 12, the first anti-drop portion 222 is located at the left plug 220 and the right plug 230, the second anti-drop portion 222 is located at the middle of the rotary plug 230, the middle of the rotary plug 2 is not required to be aligned with the rotary plug 2, and the second anti-drop portion 223 is required to be aligned with the rotary plug 2, and the second anti-drop portion is not required to be aligned with the first anti-drop portion 2, and the second anti-drop portion is located at the right plug 2, and the second anti-drop portion is easy to be aligned with the first anti-drop portion 2, and the anti-drop portion is further, and the anti-drop portion is easy to be aligned with the anti-drop portion has a first anti-drop portion and the anti-drop portion has a first anti-drop portion anti-drop key and anti-drop portion and anti-drop key and anti-drop key.

Referring to fig. 2, specifically, the cover insert 2 is provided with an indexing protrusion 24 for aligning with an unlocking groove 111 at the lower end when the password is not slipped or changed on the outer side corresponding to the password symbol 21.

Referring to fig. 1, specifically, the bottom plug 11 is further provided with a yielding gap 112, wherein one yielding gap 112 is communicated with the unlocking slot 111, the outer side of the bottom end of the bottom plug 11 is further provided with a barb portion 113 capable of inserting the bottom plug 11 into the code box and preventing the bottom plug from falling out, and here, the plurality of yielding gaps 112 enable the bottom plug 11 to be divided into a plurality of parts, a certain elastic space is formed between the plurality of parts, when the bottom plug 11 is inserted into the code box, the bottom plug can be extruded into the code box, and after the bottom plug is inserted into the code box, the bottom plug cannot be pulled out due to the clamping of the barb portion 113.

Referring to fig. 8-11, the utility model also discloses a code box which is commonly installed on a writing case and used as anti-theft, and comprises a base 3, a box cover 4 and an unlocking piece 5, wherein the base 3 and the box cover 4 are clamped with each other, the unlocking piece 5 is arranged between the base 3 and the box cover 4, the code box comprises the code lock 100, the base 3, the box cover 4 and the unlocking piece 5 are both coaxially provided with a lock hole 301 for inserting the code lock 100, one end of the unlocking piece 5 is provided with a handle 51, the other end is provided with a lock pin 52, the position of the box cover 4 corresponding to the handle 51 is provided with a limit chute 41, the handle 51 slides in the limit chute 41, the other side of the unlocking piece 5 is also provided with a clamping hook 53, when the correct code symbol 21 rotates to the position of the handle 51, the lock pin 52 is driven by the hand breaking handle 51 to enter the unlocking groove 111 to enable the clamping hook 53 to move, when the unlocking and locking are specifically operated, one side of the unlocking piece 5 is further provided with an elastic piece, the elastic piece can drive the unlocking piece 5 to slide in the direction opposite to the unlocking groove 111, the box cover of the writing case is also provided with the clamping hooks 53, the two clamping hooks 53 cannot be automatically opened after being clamped, if the two clamping hooks are not unlocked through the handle 51, when the password is required to be opened, firstly, the password is known, when the password of the password lock 100 is set to the opposite position, at the moment, the position of the unlocking groove 111 is just aligned with the lock pin 52, the handle 51 is pulled, the lock pin 52 can enter the unlocking groove 111, the clamping hooks 53 are synchronously separated from the clamping hooks 53 of the box cover, thus unlocking is completed, and certainly, a plurality of password locks 100 are arranged in a common password box, at the moment, the plurality of locking holes 301 are distributed on the base 3, the box cover 4 and the unlocking piece 5 in an array, the number of the coded lock heads 100 and the corresponding lock pins 52 are also plural, so as to form an unlocking combination of the multiple coded lock heads 100, and the multiple coded lock heads 100 need to memorize the code sequences in sequence, such as 123,321, and all the code sequences can be set on each different coded lock head 100 independently, and the set program can refer to the set step of the foregoing embodiment 1.

The above embodiments are only preferred embodiments of the present utility model, and the scope of the present utility model is not limited thereto, but any insubstantial changes and substitutions made by those skilled in the art on the basis of the present utility model are intended to be within the scope of the present utility model as claimed.

Claims (7)

1. The utility model provides a password tapered end convenient to change password, includes bottom plug-in components, be equipped with the bottom plug on the bottom plug-in components, be equipped with the unblock groove that supplies the unlock piece to step down and pass through on the bottom plug, its characterized in that: the lock comprises a cover plug-in unit, and is characterized in that the cover plug-in unit further comprises a cover plug-in unit, a plurality of cipher symbols are arranged on the cover plug-in unit, a rotary plug is arranged at the lower end of the cover plug-in unit, a rotary plug hole is arranged on the bottom plug-in unit, the rotary plug is in plug-in connection with the rotary plug hole, a plurality of positioning slots are arranged on the bottom plug-in unit corresponding to the plurality of cipher symbols, positioning plug blocks are arranged on the inner side of the cover plug-in unit, and the positioning plug blocks are separated from the current positioning slots by pulling up the cover plug-in unit and are in clamping connection with other positioning slots, so that the unlocking cipher of the cipher lock can be changed.

2. A combination lock for facilitating combination change as defined in claim 1, wherein: the rotary plug comprises a slot, a first anti-falling part and a second anti-falling part, wherein the slot is positioned in the middle of the rotary plug and divides the rotary plug into a left plug and a right plug, the first anti-falling part is positioned in the middle of the left plug and the right plug, the second anti-falling part is positioned at the bottoms of the left plug and the right plug, the first anti-falling part is used for clamping the lower end face of the rotary plug hole to prevent the rotary plug from falling out of the rotary plug hole, and the second anti-falling part is used for preventing the rotary plug from falling out of the rotary plug hole when the cover plug-in is pulled up to modify the unlocking password.

3. A combination lock for facilitating combination change as defined in claim 2, wherein: the second anti-falling part is a barb anti-falling part.

4. A combination lock for facilitating combination change as defined in claim 1, wherein: the outer side of the cover plug-in corresponding to the code symbol is provided with an indexing protrusion for carrying out alignment with an unlocking groove at the lower end when the code is not slipped and changed.

5. A combination lock which facilitates the replacement of a combination as defined in any one of claims 1 to 4, wherein: the bottom plug is characterized in that a yielding gap is further arranged on the bottom plug, one yielding gap is communicated with the unlocking groove, and a barb portion capable of inserting the bottom plug into the password box and preventing the bottom plug from falling out is further arranged on the outer side of the bottom end of the bottom plug.

6. The utility model provides a cipher box, includes base, case lid and unlatch piece, base and the mutual joint of case lid, the unlatch piece sets up between base and case lid, its characterized in that: the password box comprises the password lock head as claimed in any one of the preceding claims 1-5, lock head holes for inserting the password lock head are formed in the base, the box cover and the unlocking piece in the same axial center, a handle is arranged at one end of the unlocking piece, a lock pin is arranged at the other end of the unlocking piece, a limiting sliding groove is formed in the box cover corresponding to the handle, the handle slides in the limiting sliding groove, a clamping hook is further arranged on the other side of the unlocking piece, and when the right password symbol is rotated to face the handle part, the handle is pulled to drive the lock pin to enter the unlocking groove to enable the clamping hook to move, so that unlocking is completed.

7. A code box as defined in claim 6, wherein: the lock head holes are distributed on the base, the box cover and the unlocking piece in an array mode, and the coded lock head and the corresponding lock pin are also provided with a plurality of lock head holes to form a multi-code lock head unlocking combination.