CN108979326B - Secondary lock and safe or safe box with same - Google Patents
Secondary lock and safe or safe box with same Download PDFInfo
- Publication number
- CN108979326B CN108979326B CN201810987890.8A CN201810987890A CN108979326B CN 108979326 B CN108979326 B CN 108979326B CN 201810987890 A CN201810987890 A CN 201810987890A CN 108979326 B CN108979326 B CN 108979326B
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- China
- Prior art keywords
- lock
- safe
- piece
- plug
- key
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 230000005540 biological transmission Effects 0.000 claims abstract description 36
- 208000032370 Secondary transmission Diseases 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 4
- 208000032369 Primary transmission Diseases 0.000 description 7
- 238000010586 diagram Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B35/00—Locks for use with special keys or a plurality of keys ; keys therefor
- E05B35/08—Locks for use with special keys or a plurality of keys ; keys therefor operable by a plurality of keys
- E05B35/12—Locks for use with special keys or a plurality of keys ; keys therefor operable by a plurality of keys requiring the use of two keys, e.g. safe-deposit locks
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
- E05B47/0001—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
- E05B47/0012—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with rotary electromotors
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
- E05B47/02—Movement of the bolt by electromagnetic means; Adaptation of locks, latches, or parts thereof, for movement of the bolt by electromagnetic means
- E05B47/026—Movement of the bolt by electromagnetic means; Adaptation of locks, latches, or parts thereof, for movement of the bolt by electromagnetic means the bolt moving rectilinearly
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B49/00—Electric permutation locks; Circuits therefor ; Mechanical aspects of electronic locks; Mechanical keys therefor
- E05B49/002—Keys with mechanical characteristics, e.g. notches, perforations, opaque marks
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B65/00—Locks or fastenings for special use
- E05B65/0075—Locks or fastenings for special use for safes, strongrooms, vaults, fire-resisting cabinets or the like
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Lock And Its Accessories (AREA)
Abstract
The invention relates to a secondary lock capable of realizing secondary transmission and a safe or safe box using the secondary lock. The secondary lockset comprises a main lock, a main key and an emergency key, wherein the main lock comprises a lock body, a lock cylinder and a transmission piece, and the lock cylinder comprises a lock cylinder main body, and is characterized in that: be equipped with first plug hole and second plug hole in the lock core main part, be equipped with first inserted sheet in the first plug hole, be equipped with the second inserted sheet in the second plug hole, be equipped with in the lock core main part with the first elastic component of first inserted sheet outward effect and with the second elastic component of second inserted sheet outward effect. The two-stage lockset is provided with two mutually-independent transmission stages, and the two transmission stages can realize different functions. The two-stage lock can make the digital lock of safe or safe establish relation with the digital lock, so that the safe or safe has double safety effect.
Description
Technical Field
The present invention relates to locks, and particularly to a lock with a secondary function and a safe or safe using the same.
Background
At present, general safes/safes are provided with a digital lock and an emergency mechanical lock, however, the two locks work independently: the digital lock is unlocked only by inputting a password, so that the door can be opened; if the digital lock fails, the door can be opened by only inserting a key into the emergency mechanical lock to unlock the digital lock. Obviously, the safe box/safe deposit box has potential safety hazard, and the safe door can be opened only by remembering the password by others; or other people have keys, and can open the safety door.
Disclosure of Invention
In view of the shortcomings of the prior art, the invention innovatively provides a secondary lock capable of realizing secondary transmission and a safe or safe deposit box using the secondary lock.
This kind of second grade tool to lock is including main lock, main key and emergency key, main lock is including lock body, lock core and driving medium, the lock core is including the lock core main part, its characterized in that: the lock core comprises a lock core main body, wherein a first plug hole and a second plug hole are formed in the lock core main body, a first plug is arranged in the first plug hole, a second plug is arranged in the second plug hole, a first elastic piece which enables the first plug to act outwards and a second elastic piece which enables the second plug to act outwards are arranged in the lock core main body, a first clamping groove and a second clamping groove are formed in the inner wall of the lock body, the first clamping groove has a length for limiting the first plug to rotate, and the second clamping groove has a length for enabling the second plug to rotate by a certain angle; the main key and the emergency key are matched with the lock core, the tooth of the main key is provided with an action surface for enabling the first inserting piece to come out of the first clamping groove, and the tooth of the emergency key is provided with an action surface for enabling the second inserting piece to come out of the second clamping groove.
The first inserting piece and the second inserting piece are respectively provided with a slotted hole for the key to pass through, the first inserting piece is provided with an action part which acts with the action surface of the main key, and the second inserting piece is provided with an action part which acts with the action surface of the emergency key.
The first insert piece has an extension portion that acts with the first elastic member, and the second insert piece has an extension portion that acts with the second elastic member.
The outer side surface of the extension part is an arc surface which is matched with the inner wall of the lock body.
The first elastic piece and the second elastic piece are springs.
The safe or safe deposit box with the second-level lock comprises a safe door and the second-level lock, wherein the safe door is provided with a password input panel, and the safe door is characterized in that: the lock body of the secondary lock is connected with a wiring seat, a positive wiring head and a negative wiring head are arranged on the wiring seat, connection and disconnection of the positive wiring head and the negative wiring head are controlled by a transmission piece, a shifting piece is connected to the transmission piece, the shifting piece is connected with a sliding seat in a transmission mode through a connecting piece, the sliding seat is arranged on a safety door in a sliding mode, a lock pin is connected to the sliding seat, a motor driving assembly for controlling the sliding seat to move is arranged on the sliding seat, and the motor driving assembly, a password input panel, the positive wiring head, the negative wiring head and a power supply are connected in series.
The wiring seat is sleeved outside the transmission piece, the positive wiring head is arranged in a first wiring hole of the wiring seat, a first contact head is arranged in the first wiring hole in a limiting manner, a first spring is arranged between the first contact head and the positive wiring head, the negative wiring head is arranged in a second wiring hole of the wiring seat, a second contact head is arranged in the second wiring hole in a limiting manner, a second spring is arranged between the second contact head and the negative wiring head, a power-off groove is formed in the transmission piece, one of the first contact head and the second contact head acts on the transmission piece, and the other one of the first contact head and the second contact head is positioned in the power-off groove.
The motor driving assembly comprises a motor, a first limit switch, a second limit switch and a control rotating head, wherein the first limit switch, the second limit switch and the motor are connected in series, the motor is in transmission connection with the control rotating head, the control rotating head is provided with a first state acting on the first limit switch, and the control rotating head is provided with a second state acting on the second limit switch.
The plectrum has two plectrums, the connecting piece cover is outside the driving medium, be equipped with the column cap on the connecting piece, the column cap is located between two plectrums of plectrum.
The two-stage lockset provided by the invention is provided with two mutually-independent transmission stages, and the two transmission stages can realize different functions. The two-stage lock can make the digital lock of safe or safe establish relation with the digital lock, so that the safe or safe has double safety effect.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a side view of the invention (with the lock body removed);
FIG. 4 is a schematic view of the key and blade configuration;
FIG. 5 is a front view of the insert sheet;
FIG. 6 is a cross-sectional view taken along the line A-A in FIG. 2;
FIG. 7 is a cross-sectional view taken along the direction B-B in FIG. 2;
FIG. 8 is a diagram illustrating the operation of the first tab and the second tab;
FIG. 9 is a security door with a secondary lock installed;
FIG. 10 is a perspective view of a secondary lock body application;
FIG. 11 is a cross-sectional view taken along the direction C-C in FIG. 10;
fig. 12 is a schematic circuit diagram of a safe or safe with a secondary lock mounted.
Detailed Description
As shown in fig. 1 and 2, the secondary lock comprises a main lock 1, a main key 3 and an emergency key 4; the main lock 1 and the electronic lock are mounted on a door of a safe or safe, wherein the main lock 1 is a mechanical lock. The secondary lock has a secondary transmission function, so that various use modes can be realized by means of the secondary transmission function.
The main structure and the working principle of the secondary lock are introduced first, and then two using modes of the secondary lock are introduced.
As shown in fig. 3-7, the primary lock 1 of the secondary lock comprises a lock body 10, a lock core 11 and a transmission member 12, wherein the lock core 11 comprises a lock core main body 110, a first plug hole and a second plug hole are arranged on the lock core main body 110, a first plug 5 is arranged in the first plug hole, a second plug 6 is arranged in the second plug hole, a first elastic member which acts outwards on the first plug 5 and a second elastic member which acts outwards on the second plug 6 (the first elastic member and the second elastic member are both springs) are arranged in the lock core main body 110, a first clamping groove 101 and a second clamping groove 102 are arranged on the inner wall of the lock body 10, the first clamping groove 101 has a length which limits the rotation of the first plug 5 (namely, the first plug 5 cannot rotate after being inserted into the first clamping groove 101), and the second clamping groove 102 has a length which enables the second plug 6 to rotate by a certain angle (namely, the second plug 6 can rotate by a certain angle after being inserted into the second clamping groove 102); the main key 3 and the emergency key 4 are matched with the lock cylinder 11, the tooth of the main key 3 is provided with an action surface 7 for enabling the first inserting piece 5 to come out of the first clamping groove 101, and the tooth of the emergency key 4 is provided with an action surface 7 for enabling the second inserting piece 6 to come out of the second clamping groove 102.
The working principle of the secondary lockset is as follows: as shown in fig. 8, when in the locked state (in the figure) The first plug 5 is inserted into the first clamping groove 101 of the lock body 10 under the action of the first elastic piece, the second plug 6 is inserted into the second clamping groove 102 of the lock body 10 under the action of the second elastic piece, and in addition, the clamping block of the lock cylinder 11 is clamped in the lock body 10 (the clamping block is in the prior art and is not shown), so that the main lock 1 is in the state; when the master lock needs to be opened (in the figure +.>) The main key 3 is inserted into the lock cylinder 11, and as the tooth of the main key 4 is provided with the action surface 7 for the first insert piece 5 to come out of the first clamping groove 101, the first insert piece 5 comes out of the first clamping groove 101, and the second insert piece 6 can rotate a certain angle (such as 210 degrees) in the second clamping groove 102, so that the main key 3 can only rotate 210 degrees), and meanwhile, the clamping block also eliminates the locking state, so that when the main key 3 is rotated, the lock cylinder 11 can rotate a certain angle, and the primary rotation is realized; when the main key is pulled out and the emergency key 4 is inserted (the main key 3 and the teeth of the emergency key 4 are basically the same, but the front-end action surface 7 of the teeth are not the same), the second insert 6 also comes out of the second slot 102 due to the teeth of the emergency key 4 having the action surface 7 for letting the second insert 6 come out of the second slot 102 (in the figure>) The emergency key 4 can thus be turned, so that the lock cylinder 11 can be turned over again over a certain angle, whereby a two-stage transmission is achieved.
In order to enable the insert to move during key insertion, both the first insert piece 5 and the second insert piece 6 of the present invention have a slot 2 through which a key passes, the first insert piece 5 has an action portion 20 that acts on the action surface 7 of the main key 3, and the second insert piece 6 has an action portion 20 that acts on the action surface 7 of the emergency key 4. When the corresponding key is inserted, the embossed action surface 7 acts on the action part 20 of the insert, so that the insert is moved.
The first tab 5 has an extension 21 that acts on the first elastic member, and the second tab 6 also has an extension 21 that acts on the second elastic member. One end of the spring acts on the cylinder body 110 and the other end acts on the extension 21. Thus, the inserting piece is clamped in the clamping groove under the action of the elastic piece. The outer side surface of the extension part 21 is an arc surface which is matched with the inner wall of the lock body 10. Thus, the insert sheet can be attached to the lock body 10 better, thereby improving stability of the insert sheet.
Two use modes of the two-stage lock matched with the digital lock are described below.
The first mode of use: the primary transmission realizes the locking of the main lock, and the secondary transmission realizes the emergency unlocking of the digital lock. When the main key is inserted and rotated, the transmission part realizes primary transmission, so that the main lock pin of the main lock is driven to move to unlock, the lock pin corresponding to the digital lock is unlocked by inputting a password on the input panel, when the digital coded lock fails and can not be normally opened, an emergency key is inserted, and the lock pin corresponding to the digital lock is driven to move to unlock through secondary transmission of the secondary lock. Therefore, the secondary lockset and the digital lock can play a double-insurance role, and the secondary lockset has an emergency function of unlocking the digital lock, so that the two locksets are skillfully integrated together, and the technical problem of the existing safe is solved. For this kind of mode of use, the relation of connection of secondary tool to lock and digital lock is comparatively simple, only the driving medium of secondary tool to lock is connected with the transmission of master lock round pin transmission promptly, and the lockpin transmission that corresponds with digital lock is connected again, therefore the relation of connection of secondary tool to lock and other drive mechanism is not described here again.
The second use mode is as follows: the primary transmission is used for enabling a driving circuit of the digital lock to be connected, and the secondary transmission is used for realizing emergency opening of the digital lock.
This mode of use is relatively complex in construction and will be described first. As shown in fig. 9, the secondary lock is installed on the safety door 8, a password input panel (not shown) is provided on the safety door 8, a wire holder 9 is connected to the lock body 10 of the secondary lock, a positive wire connector 90 and a negative wire connector 91 are provided on the wire holder 9, connection and disconnection of the positive wire connector 90 and the negative wire connector 91 are controlled by a transmission member 12, a pulling piece 87 is connected to the transmission member 12, the pulling piece 87 is in transmission connection with a sliding seat 80 through a connection member 88, the sliding seat 80 is slidingly arranged on the safety door 8, a locking pin 81 is connected to the sliding seat 80, and a motor driving assembly for controlling the sliding seat to move is installed on the sliding seat 80, as shown in fig. 12, the motor driving assembly, the password input panel, the positive wire connector 90, the negative wire connector 91 and a power supply are connected in series.
When the lock is used, the main key is inserted into the secondary lock and rotated, so that primary transmission is realized, at the moment, the transmission piece controls the positive connector lug 90 to be communicated with the negative connector lug 91, then a correct password is input on the password input panel 99, the motor driving assembly can drive the sliding seat 80 and the lock pin 81 to move, the lock pin 81 can realize unlocking, and the main key and the correct password are required to be input when the safety door is opened, so that the lock has a double safety function and stronger anti-theft capacity; if the digital lock fails and cannot be unlocked, an emergency key is inserted into the secondary lock to rotate, secondary transmission is achieved, the driving piece 87 and the connecting piece 88 are driven to drive the sliding seat 80 to move through the transmission piece 12, and therefore the lock pin 81 can achieve emergency unlocking.
In order to control the connection and disconnection of the positive connector 90 and the negative connector 91 of the transmission member 12, the wire holder 9 is sleeved outside the transmission member 12, as shown in fig. 10 and 11, the positive connector 90 is arranged in a first wire hole of the wire holder 9, a first contact 92 is limited inwards in the first wire hole (namely, the first contact 92 only extends inwards to a part at most), a first spring is arranged between the first contact 92 and the positive connector 90, the negative connector 91 is arranged in a second wire hole of the wire holder 9, a second contact 93 is limited inwards in the second wire hole (namely, the second contact 93 only extends inwards to a part at most), a second spring is arranged between the second contact 93 and the negative connector 91, a power-off groove 120 is arranged on the transmission member 12, one of the first contact 92 and the second contact 93 acts on the transmission member 12, and the other one is positioned in the power-off groove 120. When the primary transmission is not started, the first contact 92 and the second contact 93 are in the above state, the positive connector 90 and the negative connector 91 are in the off state, when the primary transmission is started by the primary key, the transmission member 12 rotates, the power-off groove 120 rotates by an angle, the first contact 92 and the second contact 93 are both in contact with the transmission member 12, the positive connector 90 is connected with the negative connector 91, the motor driving assembly is electrified, the correct password is input on the password input panel, the motor driving assembly can drive the sliding seat 80 and the lock pin 81 to move, and the lock pin 81 can unlock.
As shown in fig. 9, the motor driving assembly includes a motor 83, a first limit switch 85, a second limit switch 86 and a control rotating head 84, the first limit switch 85, the second limit switch 86 and the motor 83 are connected in series, the motor 83 is in transmission connection with the control rotating head 84, when the motor 83 rotates forward to drive the control rotating head 84 to rotate and rotate a certain angle, the control rotating head 84 acts on the first limit switch 85, so that the motor 83 stops driving, the sliding seat 80 stops moving, and the lock pin 81 locks; when the motor 83 rotates reversely to drive the control rotor 84 to rotate and turn a certain angle, the control rotor 84 acts on the second limit switch 86, so that the motor 83 stops driving, the slide 80 stops moving, and the lock pin 81 is unlocked.
Finally, it should be noted that, in order to enable the paddle 87 to be suitable for two-stage transmission, the paddle 87 of the present invention has two paddles 870, and the connecting member 88 is sleeved outside the transmission member 12, and the connecting member 88 is provided with a post 880, and the post 880 is located between the two paddles 870 of the paddle 87. When the primary transmission is performed, the pulling piece 87 only rotates a certain angle and does not act on the connecting piece 88, and the positive connector lug 90 is communicated with the negative connector lug 91 at the moment; when the two-stage transmission is performed, the poking head 870 of the poking piece 87 acts on the column head 880 of the connecting piece 88, at this time, the connecting piece 88 rotates, and the connecting piece 88 drives the sliding seat 80 to move through the connecting arm 89 (one end of the connecting arm 89 is hinged on the connecting piece 88, and the other end is hinged on the sliding seat 80), so that the lock pin is unlocked.
Claims (7)
1. The utility model provides a second grade tool to lock, is including main lock (1), main key (3) and emergency key (4), main lock (1) are including lock body (10), lock core (11) and driving medium (12), lock core (11) are including lock core main part (110), its characterized in that: the novel lock is characterized in that a first plug hole and a second plug hole are formed in the lock cylinder main body (110), a first plug piece (5) is arranged in the first plug hole, a second plug piece (6) is arranged in the second plug hole, a first elastic piece which enables the first plug piece (5) to act outwards and a second elastic piece which enables the second plug piece (6) to act outwards are arranged in the lock cylinder main body (110), a first clamping groove (101) and a second clamping groove (102) are formed in the inner wall of the lock body (10), the first clamping groove (101) has a length which limits the first plug piece (5) to rotate, and the second clamping groove (102) has a length which enables the second plug piece (6) to rotate for a certain angle; the main key (3) and the emergency key (4) are matched with the lock cylinder (11), the tooth of the main key (3) is provided with an action surface (7) for enabling the first inserting sheet (5) to come out of the first clamping groove (101), and the tooth of the emergency key (4) is provided with an action surface (7) for enabling the second inserting sheet (6) to come out of the second clamping groove (102); the first inserting piece (5) and the second inserting piece (6) are respectively provided with a slotted hole (2) for a key to pass through, the first inserting piece (5) is provided with an action part (20) which acts with an action surface (7) of the main key (3), and the second inserting piece (6) is provided with an action part (20) which acts with the action surface (7) of the emergency key (4); the first insert piece (5) has an extension (21) which acts with the first elastic element, and the second insert piece (6) has an extension (21) which acts with the second elastic element.
2. A secondary lock according to claim 1, wherein: the outer side surface of the extension part (21) is an arc surface (22) which is matched with the inner wall of the lock body (10).
3. A secondary lock according to claim 1, wherein: the first elastic piece and the second elastic piece are springs.
4. A safe or safe with a secondary lock, comprising a safe door and the secondary lock of claim 1, wherein the safe door is provided with a password input panel (99), and the safe is characterized in that: be connected with connection terminal (9) on lock body (10) of second grade tool to lock, be equipped with positive connector lug (90) and negative connector lug (91) on connection terminal (9), the connection and the disconnection of positive connector lug (90) and negative connector lug (91) are controlled by driving medium (12), be connected with plectrum (87) on driving medium (12), plectrum (87) are connected with slide (80) transmission through connecting piece (88), slide (80) slip sets up on emergency exit (8), be connected with lockpin (81) on slide (80), install the motor drive subassembly that control slide removed on slide (80), motor drive subassembly, password input panel, positive connector lug (90), negative connector lug (91) and power are established ties.
5. A safe or safe with secondary lock as claimed in claim 4 wherein: the wire holder (9) cover is outside driving medium (12), positive wire connector (90) are established in the first wiring hole of wire holder (9), first contact head (92) are inwards spacing to be equipped with in the first wiring hole, be equipped with first spring between first contact head (92) and positive wire connector (90), negative wire connector (91) are established in the second wiring hole of wire holder (9), inwards spacing in the second wiring hole is equipped with second contact head (93), be equipped with the second spring between second contact head (93) and negative wire connector (91), be equipped with outage groove (120) on driving medium (12), one in first contact head (92) and the second contact head (93) is used in driving medium (12), and the other is located outage groove (120).
6. A safe or safe with secondary lock according to claim 4 or 5, wherein: the motor driving assembly comprises a motor (83), a first limit switch (85), a second limit switch (86) and a control rotating head (84), wherein the first limit switch (85), the second limit switch (86) and the motor (83) are connected in series, the motor (83) is in transmission connection with the control rotating head (84), the control rotating head (84) is provided with a first state acting on the first limit switch (85), and the control rotating head (84) is provided with a second state acting on the second limit switch (86).
7. A safe or safe with secondary lock as claimed in claim 4 wherein: the plectrum (87) is provided with two plectrum heads (870), the connecting piece (88) is sleeved outside the transmission piece (12), a column head (880) is arranged on the connecting piece (88), and the column head (880) is positioned between the two plectrum heads (870) of the plectrum (87).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810987890.8A CN108979326B (en) | 2018-08-28 | 2018-08-28 | Secondary lock and safe or safe box with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810987890.8A CN108979326B (en) | 2018-08-28 | 2018-08-28 | Secondary lock and safe or safe box with same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108979326A CN108979326A (en) | 2018-12-11 |
| CN108979326B true CN108979326B (en) | 2023-11-03 |
Family
ID=64546675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810987890.8A Active CN108979326B (en) | 2018-08-28 | 2018-08-28 | Secondary lock and safe or safe box with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108979326B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112942995B (en) * | 2021-01-31 | 2022-06-21 | 温州威泰锁业有限公司 | Double-safety lock bolt device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR101237738B1 (en) * | 2012-09-27 | 2013-02-26 | 김범수 | Electronic locking apparatus keycylinder |
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| CN102278011A (en) * | 2010-06-08 | 2011-12-14 | 宁波永发集团有限公司 | Emergency unlocking structure for safe deposit box lock |
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| DE202015106460U1 (en) * | 2015-11-27 | 2016-02-22 | FOBUS Sicherheitstechnik AG | KeyDepot |
| CN107178250A (en) * | 2017-07-11 | 2017-09-19 | 珠海优特电力科技股份有限公司 | Lock core, lockset, the stage division of lock core, the stage division of key and key |
| CN209523551U (en) * | 2018-08-28 | 2019-10-22 | 温州威泰锁业有限公司 | A kind of second level lockset and safety box or safe deposit box equipped with second level lockset |
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| Publication number | Publication date |
|---|---|
| CN108979326A (en) | 2018-12-11 |
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