CN105350837A - Box door locking structure - Google Patents
Box door locking structure Download PDFInfo
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- CN105350837A CN105350837A CN201510867652.XA CN201510867652A CN105350837A CN 105350837 A CN105350837 A CN 105350837A CN 201510867652 A CN201510867652 A CN 201510867652A CN 105350837 A CN105350837 A CN 105350837A
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- plate
- slide plate
- door
- handle
- limit shaft
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Abstract
The invention discloses a box door locking structure which comprises a door plate, a first sliding plate and a limiting shaft, wherein the first sliding plate is arranged on the back side of the door plate and can move transversely and relatively; the limiting shaft is arranged on one side of the first sliding plate and used for limiting the first sliding plate; and a handle is arranged on the front side of the door plate and comprises a handle spindle penetrating tothe back side of the door plate. The box door locking structure is characterized by further comprising a second sliding plate, a transmission plate, a driving device and a main control plate, wherein the driving device is used for driving the second sliding plate to move longitudinally; the main control plate is used for controlling the driving device; the transmission plate is slidingly connected with the second sliding plate, so that the transmission plate and the second sliding plate can synchronously move longitudinally and relatively move transversely; the transmission plate is also slidingly connected with the first sliding plate, so that the transmission plate and the first sliding plate can synchronously move transversely and relatively move longitudinally; the handle spindle is located at the end portion of the back side of the door plate and connected with one end of a handle shifting fork; a fixing shaft is arranged at the other end of the handle shifting fork; a groove extending upwards is formed in the bottom of the transmission plate; and the fixing shaft is located below the groove and can penetrate into the groove in a matching mode when the transmission plate moves downwards.
Description
Technical field
The present invention relates to a kind of box door lock fixed structure, this chamber door is suitable in the insurance storing units such as strongbox, ATM safety cabinet, file cabinet, rifle cabinet.
Background technology
The latch-up structure that the chamber door of existing various strongbox, safety cabinet uses comprise be arranged on the door-plate back side can the slide plate of horizontal sliding relatively, the front end of slide plate is connected with door bolt head, the door-plate back side is also provided with the lock construction stoping slide plate horizontal sliding, and manually drive the handle arrangement of slide plate movement, handle arrangement comprises button and Handle axis, Handle axis is generally directly arranged on the door-plate of strongbox, and is connected with the slide plate at the door-plate back side.During locking, turning handle makes slide plate drive door bolt overhanging and insert in the latch aperture on doorframe, then with the locking of lock construction by slide plate; During enabling, then first opened by lock construction, slide plate can free slippage, and then turning handle just makes slide plate drive door bolt head to inside contract.This strongbox, after stoping the lock construction of slide plate slippage destroyed, door body just can be opened by turning handle, and lawless person also can pull handle energetically in addition, attempts the lock construction of this prevention slide plate slippage of mandatory destruction, to reach the object of illegal invasion.
For this reason, the applicant has done improvement, invent telescopic handle mechanism, the device that safe handle ejects and sled mechanism locks is controlled as application number is a kind of disclosed in the Chinese patent of 201420657423.6, when inputting password or fingerprint is correct, by electric machine rotation, handle is ejected, and the spacing disengaging of spacer pin and horizontal keeper slide plate, the swing pinion of handle engages with horizontal keeper slide plate upper rack, and turning handle gets final product opening-door plate; When needs lock, rotate counterclockwise handle, spacer pin moves and locks with horizontal keeper slide plate, handle pressing retrude is entered plate, and swing pinion and horizontal keeper slide plate upper rack are separated.The locking mechanism of this strongbox, due under the state that bounces back at handle, handle and pull bar are in the state of snap-fit engagement, still may the connection of mandatory destruction handle and pull bar, thus open chamber door by powerful turning handle.
Summary of the invention
Technical problem to be solved by this invention is for above-mentioned prior art Problems existing, provides a kind of door state lower handle that closes to dissociate thus the box door lock fixed structure improving safety.
The present invention solves the problems of the technologies described above adopted technical scheme: a kind of box door lock fixed structure, comprise door-plate, be arranged on the described door-plate back side and can relatively transverse shifting the first slide plate and be arranged on described first slide plate side and for the limit shaft spacing to described first slide plate, the front of described door-plate is provided with handle, described handle comprises the Handle axis penetrating into the described door-plate back side, it is characterized in that:
Also comprise the second slide plate, driver plate, for the drive unit that drives described second slide plate to vertically move and the master control borad for controlling described drive unit, described driver plate connects with described second slide plate slides thus can synchronously vertically move and the relative transverse shifting of energy, and described driver plate also connects with described first slide plate slides thus can move and can relatively vertically move by synchronous horizontal; The end that described Handle axis is positioned at the door-plate back side is connected with one end of handle shift fork, the other end of described handle shift fork is provided with fixed axis, the bottom of described driver plate offers the notch upwards extended, and described fixed axis to be positioned at below described notch and can to penetrate into described notch when described driver plate moves down and coordinates.
Described drive unit comprises the motor for driving described second slide plate to move down, and the output shaft of described motor is connected with can turn to be connected on described second slide plate or turn to the driving head departing from described second slide plate; Described second slide plate is connected with described limit shaft and synchronizing moving in the vertical, and described limit shaft keeps up the trend of movement.
Preferably, described driving head is provided with push-down head, described second slide plate is provided with the pressing down section coordinated with described push-down head, described pressing down section is between the highs and lows of push-down head rotation path, thus, push-down head can reverse to depart from the second slide plate when microswitch outputs signal.
Being slidably connected of second slide plate and driver plate, preferably, described second slide plate offers the first chute extended on described first slide plate moving direction, described driver plate is provided with the Access Division that can be inserted in described first chute, and the length of described Access Division is less than described first chute.
Being slidably connected of driver plate and the first slide plate, preferably, described driver plate offers the second chute extended in the vertical, described first slide plate is then provided with the alignment pin be inserted in described second chute.
Can automatically reset after chamber door locking for making the driving head of motor, with avoid stop second slide plate on move, the back side of described door-plate is provided with keeper fixed bar and door-plate coaming plate, described keeper fixed bar is positioned at described first slide plate away from the side of described limit shaft and is connected with described first slide plate, described door-plate coaming plate is positioned at the side of described keeper fixed bar away from the first slide plate, described keeper fixed bar be provided with towards the side of described door-plate coaming plate can with the microswitch of described door-plate coaming plate interoperation, described microswitch is electrically connected to described master control borad.
Stroke is moved down for what accurately control the second slide plate, so that handle shift fork and driver plate better coordinate, the described door-plate back side and described second slide plate adjacent are also provided with limit switch, described limit switch is electrically connected to described master control borad, described second slide plate is provided with can with the positive stop of described limit switch interoperation.
In the present invention, the set-up mode of preferred limit shaft is, also comprise installing plate, described installing plate comprises upper bottom surface and bottom surface, the top of described limit shaft can abut with described first slide plate through the perforation that described upper bottom surface is offered, the bottom of described limit shaft is connected with described second slide plate through described bottom surface, is provided with the spring described limit shaft being applied to restoring force upwards between described upper bottom surface and bottom surface.
For ease of applying active force to limit shaft, described spring housing is located at described limit shaft periphery, and described spring section ground clamps with described limit shaft, and the bottom of described spring then abuts with described bottom surface.
For avoiding limit shaft moving past large amplitude, the periphery that described limit shaft is positioned at below described upper bottom surface is provided with snap ring, and described snap ring compresses the spring section of corresponding position and can abut with the part that described upper bottom surface be positioned at surrounding of bore a hole.
Compared with prior art, the invention has the advantages that: by the handle shift fork that arranges in Handle axis and to be connected with the first slide plate and can relative movement driver plate, make handle shift fork and driver plate in conjunction with time can operate easily chamber door is opened, can after chamber door locking, handle shift fork and driver plate be automatically disengaged again, thus guarantee the safety after chamber door locking.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the strongbox of box door lock fixed structure of the present invention application;
Fig. 2 is the lock-out state schematic diagram of box door lock fixed structure of the present invention;
Fig. 3 is the close-up schematic view in Fig. 2;
Fig. 4 is the released state schematic diagram of box door lock fixed structure of the present invention;
Fig. 5 is the close-up schematic view in Fig. 4;
Fig. 6 is the schematic diagram of the hidden parts parts of box door lock fixed structure of the present invention;
Fig. 7 is the first slide plate of box door lock fixed structure of the present invention and the decomposition texture schematic diagram of driver plate;
Fig. 8 is the position-limit mechanism of box door lock fixed structure of the present invention and the decomposition texture schematic diagram of the second slide plate.
Detailed description of the invention
Below in conjunction with accompanying drawing embodiment, the present invention is described in further detail.
See Fig. 1 ~ Fig. 6, a kind of box door lock fixed structure, this chamber door is suitable in the insurance storing units such as strongbox, ATM safety cabinet, file cabinet, rifle cabinet.In the present invention, for strongbox, strongbox comprises casing 1, and box door lock fixed structure is arranged on this casing 1.
Box door lock fixed structure comprises door-plate 21, and the side of door-plate 21 is rotationally connected with casing 1 by being rotationally connected arm 211; The first slide plate 22 and the second slide plate 23, first slide plate 22 that are arranged on door-plate 21 back side (namely towards the one side of casing 1) can move by phase end of door plate 21 in the horizontal; Second slide plate 23, can move by phase end of door plate 21 in the vertical; And driver plate 24, be slidably connected the first slide plate 22 and the second slide plate 23 respectively, and can move relative to the first slide plate 22 and the second slide plate 23 respectively.
The opposite side back side of door-plate 21 is provided with the keeper fixed bar 25 extended in the vertical, adjacent with the first slide plate 22, the side of the first slide plate 22 is connected to keeper fixed bar 25, keeper fixed bar 25 is provided with bolt head 251, by the movement of the first slide plate 22, keeper fixed bar 25 can be driven to move, thus bolt head 251 is inserted in the door-plate coaming plate 31 fixing with door-plate 21 or departs from door-plate coaming plate 31 that (door-plate coaming plate 31 is disposed adjacent with keeper fixed bar 25, and be positioned at the side of keeper fixed bar 25 away from the first slide plate 22), and the side door frame being inserted into casing 1 is further interior or depart from casing 1, thus realize locking or the unlatching of chamber door.
Box door lock fixed structure also comprises motor 26, is disposed adjacent with the second slide plate 23, moves down in the vertical for driving the second slide plate 23 phase end of door plate 21.In the present embodiment, preferably, the bottom of the second slide plate 23 has the pressing down section 231 extended towards the direction away from door-plate 21, the output shaft of motor 26 is connected with driving head 27, driving head 27 can be a kind of cam structure, as the ellipticity in the present embodiment, driving head 27 is provided with push-down head 271, the output shaft of push-down head 271 and motor 26 can lay respectively in two oval fixed points.Pressing down section 231 is between the highs and lows of push-down head 271 rotation path, therefore, when chamber door is in the lock state, driving head 27 is in level, then push-down head 271 and pressing down section 231 depart from, when chamber door needs to open, push-down head 271 can be made after motor 26 turns an angle to turn to and to be connected to pressing down section 231 top edge, this rear motor 26 is rotated further, then pressing down section 231 can be pressed down, thus the second slide plate 23 entirety is moved down.
Second slide plate 23 is that, on the second slide plate 23, as top, the bearing of trend offering the first chute 232, first chute 232 extended in the horizontal is consistent with the moving direction of the first slide plate 22 with the preferred connected mode of driver plate 24.On driver plate 24, as bottom, be provided with the Access Division 241 extended towards the first chute 232 direction, Access Division 241 can be inserted in the first chute 232, and the length of Access Division 241 is less than the length of the first chute 232, make Access Division 241 can move horizontally in the first chute 232 thus, make driver plate 24 to move horizontally by relative second slide plate 23 thus; In addition, driver plate 24 and the first slide plate 22 are slidably connected, and driver plate 24 can move in the vertical relative to the first slide plate 22.Preferably, in the present embodiment, see Fig. 7, driver plate 24 offers on the second chute 242, first slide plate 22 of extending in the vertical and be then provided with the alignment pin 221 be inserted in the second chute 242.Alternative, alignment pin 221 can be arranged on driver plate 24, and the second chute 242 is opened on the first slide plate 22.Thus, driver plate 24 can be driven to move down when the second slide plate 23 moves down, and driver plate 24 move horizontally Shi Zeneng drives the first slide plate 22 to move horizontally.
Alternative, the position of the first chute 232 and Access Division 241 is interchangeable, and the position of the second chute 242 and alignment pin 221 is also interchangeable; Or, do not adopt above-mentioned flat recess, can offer L shape or T-shaped chute on the second slide plate 23 or on driver plate 24 yet, realize the second slide plate 23 and driver plate 24 synchronizing moving in the vertical and relative movement transversely.
The front (namely in the one side that outside user can touch) of door-plate 21 is provided with handle 28 and electronic lock 29, and handle 28 is rotationally connected by Handle axis 281 and door-plate 21, and Handle axis 281 end arrives door-plate 21 back side through door-plate 21.The end of Handle axis 281 is provided with handle shift fork 282, one end of handle shift fork 282 is connected and synchronous axial system with the end of Handle axis 281, the other end is then provided with the fixed axis 283 extended towards driver plate 24, the bottom of driver plate 24 also offers the notch 243 upwards extended, fixed axis 283 is positioned at below notch 243, when driver plate 24 moves down, fixed axis 283 penetrates in notch 243, now handle shift fork 282 and driver plate 24 realize being connected, and turning handle 28 can drive driver plate 24 to move in the horizontal.
Box door lock fixed structure also comprises position-limit mechanism, comprises and is arranged on the first slide plate 22 away from the limit shaft 301 of keeper fixed bar 25 one end, limit switch 302, installing plate 303 and the spring 304 adjacent with the second slide plate 23.See Fig. 8, the upper bottom surface 3031 of installing plate 303 offers perforation 3032, the top of limit shaft 301 upwards extends through perforation 3032, and the bottom of limit shaft 301 is passed down through the bottom surface 3033 of installing plate 303.Spring 304 is set in limit shaft 301 periphery, the portion perimeter that limit shaft 301 is positioned at below installing plate 303 upper bottom surface 3031 is also provided with snap ring 305, the spring 304 of corresponding position clamps with limit shaft 301 by snap ring 305, the bottom of spring 304 then abuts with the bottom surface 3033 of installing plate 303, thus spring 304 pairs of limit shafts 301 apply the power of the perforation 3032 of the upper bottom surface 3031 moving through installing plate 301 vertically upward, snap ring 305 part that then energy and upper bottom surface 3031 are positioned at around perforation 3032 abuts, thus limits the position that limit shaft 301 moves.When the perforation 3032 of upper bottom surface 3031 is passed on the top of limit shaft 301, it can be connected to the side of the first slide plate 22, thus avoids the first slide plate 22 to drive keeper fixed bar 25 leave door-plate coaming plate 31 and unlock; And when limit shaft 301 moves down, until when being positioned at the below of upper bottom surface 3031, then allow the first slide plate 22 to move in the horizontal, now spring 304 is compressed.
The bottom of limit shaft 301, through after the bottom surface 3033 of installing plate 303, connects and fixes with the second slide plate 23, thus, when the second slide plate 23 moves down, limit shaft 301 can be driven synchronously to move down, and limit shaft 301 is when the restoring force being subject to spring 304 upwards reset, then can drive on the second slide plate 23 and move.Second slide plate 23 position be positioned at above limit switch 302 is provided with positive stop 233, when move down into touch with limit switch 302 make limit switch 302 pressing time, limit switch 302 output signal makes motor 26 shut down.
Keeper fixed bar 25 is provided with microswitch 252 towards the side of door-plate coaming plate 31, when keeper fixed bar 25 under the drive of the first slide plate 22 towards door-plate coaming plate 31 action by box door lock time, microswitch 252 touches door-plate coaming plate 31, controls motor 26 thus and reverses.
The back side of door-plate 21 is also provided with master control borad 32, is electrically connected and energy Received signal strength, judges electronic lock 29 Password Input correctness thus, and control the running of motor 26 with above-mentioned electronic lock 29, limit switch 302 and microswitch 252.
When opening safety case, after inputting correct password by electronic lock 29, electronic lock 29 drive motors 26 operates, the second slide plate 23 is driven to move down thus, driver plate 24 and limit shaft 301 is driven to move down, spring 304 is compressed, until positive stop 233 pressing limit switch 302, motor 26 shuts down, now the fixed axis 283 of handle shift fork 282 is (under lock-out state, the fixed axis 283 of handle shift fork 282 is positioned at below notch 243) enter into notch 243 bottom driver plate 24, both realize coordinating, turning handle 28, namely driver plate 24 is driven to do horizontal movement by handle shift fork 282, thus drive the first slide plate 22 to move horizontally, bolt head 251 on keeper fixed bar 25 moves towards the direction away from door-plate coaming plate 31, see Fig. 4 and Fig. 5, safe cabinet door can be opened.If do not input correct password, just cannot starter motor 26, then handle shift fork 282 can not coordinate with driver plate 24, and turning handle 28 is just idle running also.
When strongbox closed by needs, first door-plate 21 is rotated to fastening position, then handle 28 is rotated backward, first slide plate 22 leaves above limit shaft 301, keeper fixed bar 25 resets, pressing after the microswitch 252 on keeper fixed bar 25 touches with door-plate coaming plate 31, output signal is to master control borad 32, after master control borad 32 receives signal, starter motor 26 reversely rotates certain angle, the push-down head 271 on driving head 27 is made to leave pressing down section 231 and no longer abut, thus under the reset force effect of spring 304, limit shaft 301 stretches out the perforation 3032 of the upper bottom surface 3031 of installing plate 303 again, driver plate 24 and the second slide plate 23 is driven to reset, now limit shaft 301 is again spacing to the first slide plate 22, the fixed axis 283 of handle shift fork 282 then departs from driver plate 24 again, namely handle 28 and driver plate 24 depart from, under the state that this chamber door locks, even if turning handle 28 also cannot operate the first slide plate 22, safety is higher, see Fig. 2 and Fig. 3.
In above-mentioned preferred embodiment, drive the drive unit of the second slide plate 23 action to adopt motor 26, and be driven by driving head.Alternative, also can gear be set between the output shaft of motor 26 and the second slide plate, this transmission mechanism of tooth bar realizes; Or also can not adopt motor, and adopt magnet switching electricity to drive the second slide plate 23 action; Or also can adopt in prior art that other can drive other drive units of load moving linearly.
Claims (10)
1. a box door lock fixed structure, comprise door-plate (21), be arranged on described door-plate (21) back side and can relatively transverse shifting the first slide plate (22) and be arranged on described first slide plate (22) side and for the limit shaft (301) spacing to described first slide plate (22), the front of described door-plate (21) is provided with handle (28), described handle (28) comprises the Handle axis (281) penetrating into described door-plate (21) back side, it is characterized in that:
Also comprise the second slide plate (23), driver plate (24), for the drive unit that drives described second slide plate (23) to vertically move and the master control borad (32) for controlling described drive unit, described driver plate (24) is slidably connected with described second slide plate (23) thus can synchronously vertically moves and the relative transverse shifting of energy, and described driver plate (24) is also slidably connected with described first slide plate (22) thus can moves and can relatively vertically move by synchronous horizontal;
The end that described Handle axis (281) is positioned at door-plate (21) back side is connected with one end of handle shift fork (282), the other end of described handle shift fork (282) is provided with fixed axis (283), the bottom of described driver plate (24) offers the notch (243) upwards extended, and described fixed axis (283) is positioned at described notch (243) below and can penetrates into described notch (243) when described driver plate (24) move down and coordinates.
2. box door lock fixed structure as claimed in claim 1, it is characterized in that: described drive unit comprises the motor (26) for driving described second slide plate (23) to move down, the output shaft of described motor (26) being connected with and can turning to that to be connected to described second slide plate (23) upper or turn to the driving head (27) departing from described second slide plate (23); Described second slide plate (23) is connected with described limit shaft (301) and synchronizing moving in the vertical, and described limit shaft (301) keeps up the trend of movement.
3. box door lock fixed structure as claimed in claim 2, it is characterized in that: described driving head (27) is provided with push-down head (271), described second slide plate (23) is provided with the pressing down section (231) coordinated with described push-down head (271), described pressing down section (231) is positioned between the highs and lows of push-down head (271) rotation path.
4. box door lock fixed structure as claimed in claim 1, it is characterized in that: described second slide plate (23) offers the first chute (232) extended on described first slide plate (22) moving direction, described driver plate (24) is provided with the Access Division (241) that can be inserted in described first chute (232), and the length of described Access Division (241) is less than described first chute (232).
5. box door lock fixed structure as claimed in claim 4, it is characterized in that: described driver plate (24) offers the second chute (242) extended in the vertical, described first slide plate (22) is then provided with the alignment pin (221) be inserted in described second chute (242).
6. the box door lock fixed structure according to any one of Claims 1 to 5, it is characterized in that: the back side of described door-plate (21) is provided with keeper fixed bar (25) and door-plate coaming plate (31), described keeper fixed bar (25) is positioned at the side of described first slide plate (22) away from described limit shaft (301), and be connected with described first slide plate (22), described door-plate coaming plate (31) is positioned at the side of described keeper fixed bar (25) away from the first slide plate (22), described keeper fixed bar (25) be provided with towards the side of described door-plate coaming plate (31) can with the microswitch (252) of described door-plate coaming plate (31) interoperation, described microswitch (252) is electrically connected to described master control borad (32).
7. the box door lock fixed structure according to any one of Claims 1 to 5, it is characterized in that: described door-plate (21) back side and described second slide plate (23) adjacent are also provided with limit switch (302), described limit switch (302) is electrically connected to described master control borad (32), described second slide plate (23) is provided with can with the positive stop (233) of described limit switch (302) interoperation.
8. the box door lock fixed structure according to any one of Claims 1 to 5, it is characterized in that: also comprise installing plate (303), described installing plate (303) comprises upper bottom surface (3031) and bottom surface (3033), the top of described limit shaft (301) can abut with described first slide plate (22) through the perforation (3032) that described upper bottom surface (3031) is offered, the bottom of described limit shaft (301) is connected with described second slide plate (23) through described bottom surface (3033), the spring (304) described limit shaft (301) being applied to restoring force is upwards provided with between described upper bottom surface (3031) and bottom surface (3033).
9. box door lock fixed structure as claimed in claim 8, it is characterized in that: described spring (304) is set in described limit shaft (301) periphery, described spring (304) partly clamps with described limit shaft (301), and the bottom of described spring (304) then abuts with described bottom surface (3033).
10. box door lock fixed structure as claimed in claim 9, it is characterized in that: described limit shaft (301) be positioned at described upper bottom surface (3031) below periphery be provided with snap ring (305), described snap ring (305) compress corresponding position spring (304) partly and can with described upper bottom surface (3031) be positioned at bore a hole (3032) surrounding part abut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510867652.XA CN105350837B (en) | 2015-12-01 | 2015-12-01 | A kind of chamber door latch-up structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510867652.XA CN105350837B (en) | 2015-12-01 | 2015-12-01 | A kind of chamber door latch-up structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105350837A true CN105350837A (en) | 2016-02-24 |
| CN105350837B CN105350837B (en) | 2017-10-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510867652.XA Active CN105350837B (en) | 2015-12-01 | 2015-12-01 | A kind of chamber door latch-up structure |
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| Country | Link |
|---|---|
| CN (1) | CN105350837B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003074230A (en) * | 2001-09-03 | 2003-03-12 | Okuto Sangyo Kk | Lock device |
| CN201843442U (en) * | 2010-06-23 | 2011-05-25 | 宁波永发集团有限公司 | Security door capable of being locked at four sides |
| CN203239093U (en) * | 2013-05-09 | 2013-10-16 | 卢志刚 | Locking system of vehicle-mounted safety box |
| CN203939315U (en) * | 2014-07-15 | 2014-11-12 | 董凯 | The manually interior opening mechanism of electric door lock |
| CN205172207U (en) * | 2015-12-01 | 2016-04-20 | 宁波艾谱实业有限公司 | Box door locking structure |
-
2015
- 2015-12-01 CN CN201510867652.XA patent/CN105350837B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003074230A (en) * | 2001-09-03 | 2003-03-12 | Okuto Sangyo Kk | Lock device |
| CN201843442U (en) * | 2010-06-23 | 2011-05-25 | 宁波永发集团有限公司 | Security door capable of being locked at four sides |
| CN203239093U (en) * | 2013-05-09 | 2013-10-16 | 卢志刚 | Locking system of vehicle-mounted safety box |
| CN203939315U (en) * | 2014-07-15 | 2014-11-12 | 董凯 | The manually interior opening mechanism of electric door lock |
| CN205172207U (en) * | 2015-12-01 | 2016-04-20 | 宁波艾谱实业有限公司 | Box door locking structure |
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| Publication number | Publication date |
|---|---|
| CN105350837B (en) | 2017-10-10 |
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