CN106337602B - Safe-guard door lock - Google Patents

Safe-guard door lock Download PDF

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Publication number
CN106337602B
CN106337602B CN201610890927.6A CN201610890927A CN106337602B CN 106337602 B CN106337602 B CN 106337602B CN 201610890927 A CN201610890927 A CN 201610890927A CN 106337602 B CN106337602 B CN 106337602B
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CN
China
Prior art keywords
lock
door
handle
plate
safe
Prior art date
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Active
Application number
CN201610890927.6A
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Chinese (zh)
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CN106337602A (en
Inventor
姚春良
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ningbo Shengjiu Technology Co.,Ltd.
Original Assignee
Ningbo Shengjiu Cabinets Lock Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ningbo Shengjiu Cabinets Lock Co Ltd filed Critical Ningbo Shengjiu Cabinets Lock Co Ltd
Priority to CN201610890927.6A priority Critical patent/CN106337602B/en
Publication of CN106337602A publication Critical patent/CN106337602A/en
Application granted granted Critical
Publication of CN106337602B publication Critical patent/CN106337602B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B3/00Fastening knobs or handles to lock or latch parts
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B15/00Other details of locks; Parts for engagement by bolts of fastening devices
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B15/00Other details of locks; Parts for engagement by bolts of fastening devices
    • E05B15/0046Ratchet mechanisms
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B9/00Lock casings or latch-mechanism casings ; Fastening locks or fasteners or parts thereof to the wing
    • E05B9/08Fastening locks or fasteners or parts thereof, e.g. the casings of latch-bolt locks or cylinder locks to the wing

Abstract

It is for the more difficult applicable different-thickness installation of the existing similar product of solution, unlocking mode is single, it is more difficult to unlock simultaneously from inside and outside, mounting opening changes more difficult appropriate technology problem and designs the present invention relates to a kind of safe-guard door lock.Door-plate is fixed on by hexagonal double-ended bolt, the second sunk screw equipped with interior lock body, rear panel and outer lock body in the door-plate of the safe-guard door lock;Its main points is that the lock tongue side of the interior lock body is equipped with rack, lock tongue is engaged by rack with the gear of ratchet outer diameter, ratchet is connect by screw with Internal handle one end of door-plate side, it is stretched into the stomidium of adjusting rod one end across the inner handle screw other end, the adjusting rod other end and the outer handle hinged end of outer lock body in the external lock body of the door-plate other side offset, and the hinged place of outer handle is equipped with handle spring;Internal lock vivo tongue slide opening and tongue pin among lock tongue are connect with the lock housing of interior lock body.When the safe-guard door lock inside door emergency release, by rotating Internal handle;When the unlock of front, pass through the outer handle of outer lock body.

Description

Safe-guard door lock
Technical field
The present invention relates to door locks, are a kind of safe-guard door locks.
Background technology
Door lock is exactly for locking the door the equipment to prevent other people from opening, and this equipment use is mechanically or electrically moved;Wherein, Some door locks are used for metal cabinet door, and such metal cabinet door is cabinet door of electric equipment or metal cabinet door.Meanwhile theftproof lock is according to lock core Principle it is different, theftproof lock is generally divided into spring lock, blade lock, magnetic lock, IC card lock, Fingerprint Lock etc..Existing such antitheft door Lock the application number 201510693755.9 as disclosed in Chinese patent literature, data of publication of application 2016.01.20, denomination of invention " family With crypto chip key safe-guard door lock ";The safe-guard door lock includes front panel, rear panel and intermediate lockable mechanism, the front panel It is equipped with input terminal interface, the rear panel is equipped with manual safety knob, and the handle on the front panel and rear panel turns The driving core of axis and the intermediate lockable mechanism is connected, and motor case assembly, the motor box are equipped in the intermediate lockable mechanism Component is equipped with clamping gear, and the clamping gear is engaged with the driving gear of intermediate lockable mechanism, the sliding tooth wheel drive The lock tongue of intermediate lockable mechanism is flexible, and the motor case assembly is opened and closed by the input terminal Interface Controller on front panel.But it is existing The different-thickness of the more difficult suitable metal cabinet door of similar product is installed, while its unlocking mode is more single, it is more difficult to from it is inside and outside simultaneously It unlocks, installation is more inconvenient.
Invention content
To overcome above-mentioned deficiency, the purpose of the present invention is being provided to this field, unlocking mode inside and outside one kind is different, and installation is opened The different safe-guard door lock in hole makes it solve the various trepannings of door lock of existing market base station and changes more difficult adaptation, and false lock and transformation The more technical problems such as difficulty.The purpose is to what is be achieved through the following technical solutions.
A kind of safe-guard door lock, the door-plate of the safe-guard door lock is interior to be equipped with interior lock body, and the lock tongue of interior lock body stretches out door-plate, door-plate Side is equipped with Internal handle, and the other side is equipped with outer lock body;Its structure design main points is that the lock tongue side of the interior lock body is equipped with rack, Lock tongue is engaged by rack with the gear of ratchet outer diameter, and ratchet is another by the Internal handle and door-plate of screw and door-plate side Adjusting rod one end connection in the external lock body of side, the other end of adjusting rod and the outer handle hinged end of outer lock body offset, among lock tongue Internal lock vivo tongue slide opening and tongue pin connect with the lock housing of interior lock body.Ratchet is driven to turn when being rotated to Internal handle and outer handle Dynamic, ratchet is rotated by gear drives lock tongue realization flexible, to realize the inside and outside unlocking of the safe-guard door lock.
The Internal handle side of the door-plate is equipped with rear panel, and hexagonal double-ended bolt passes through one end of door-plate to be connect with outer lock body, and leads to The other end that rear panel is fixed on hexagonal double-ended bolt by the second sunk screw is crossed, i.e. rear panel and outer lock body passes through hexagonal double-ended bolt, Two sunk screws are fixed on door-plate.It is above-mentioned to be installed on one of mode of door-plate for outer lock body, other manner installation also can be used In door-plate;The rear panel of the safe-guard door lock is simultaneously for the limit of following second pressure spring, and second pressure spring is made to set It is placed in door-plate.
The Internal handle is T-shaped knob, and ratchet both sides are respectively equipped with first pressure spring, second pressure spring, the One compression spring is set to the outer diameter of adjusting rod, and second pressure spring is set to inner handle shank end outer diameter;Second pressure bullet It offseting on the inside of rear panel in one end and door-plate of spring, the other end offsets with ratchet, and adjusting rod end and the adjusting rod of screw are detached from, It is stretched at ratchet in the stomidium of adjusting rod across inner handle screw, adjusting rod is square shaft, and adjusting rod is engaged with ratchet, spine The Internal handle side of wheel is equipped with ratchet and keeps the sliding slot engaged with gear.Above-mentioned first pressure spring and second pressure spring are used respectively It is resetted in adjusting rod and inner handle, inner handle shape uses convenient for pulling out.Meanwhile Internal handle is in use, pull-up Internal handle, Ratchet is disengaged from adjusting rod, is rotated Internal handle and is realized unlock, and Internal handle is unclamped, and Internal handle resets, and ratchet and adjusting rod are again Secondary engagement;To while the Internal handle of Internal handle side, which is realized, unlocks, not drive the outer handle of external lock body to rotate, outer lock body is only negative Blame the unlocking on the outside of door-plate.The square shaft of adjusting rod designs, and effect is to be applicable in the thickness variation of door-plate, keeps its versatility preferable.
The outer handle of the outer lock body is fastened in the shell of outer lock body, and the adjusting rod external part of outer lock body is equipped with pin, One end of first pressure spring offsets with pin, and the rod set of the other end and adjusting rod outer diameter offsets.Above structure is convenient for outer handle Fixation in outer lock body, pin are used for the limit of outer handle and adjusting rod by first pressure spring;Meanwhile pin and first When compression spring ensures that Internal handle drives ratchet to pull out adjusting rod, adjusting rod will not move.
Induced electricity magnet valve is equipped in one end housing of the outer lock body, outer lock body is stretched into dynamic iron core one end of induced electricity magnet valve Outer handle inner side limiting-position hole, induced electricity magnet valve connect by circuit with the circuit board in external lock body, circuit board be equipped with battery or External power supply.Above-mentioned induced electricity magnet valve makes dynamic iron core realize actuating by electromagnetic induction principle, such as uses IC card electromagnetic induction Tool, you can make outer handle pass through induced electricity magnet valve and open and lock.
The spring nail supported with outer grip palmistry is equipped in the external lock body, the hinged place of outer handle is equipped with handle spring.It is above-mentioned After structure is opened convenient for outer handle by induced electricity magnet valve, bounced automatically by spring nail and handle spring.
Lock core is equipped in another end housing of the outer lock body, lock core is connected by one end of lock core shaft and pulling plate, pulling plate The other end connect with the dynamic iron core other end of induced electricity magnet valve.It is moved down on pulling plate to be driven after lock core shaft's rotation of lock core Dynamic, pulling plate pulls the dynamic iron core of induced electricity magnet valve, dynamic iron core to retreat, and dynamic iron core is unlocked handle, to which handle pop-up is outer Lock body.
The lock core end of the outer lock body is equipped with locking closure, and locking closure is aligned with the lockhole of lock core.Above-mentioned Lock cylinder cover is for lock core It hides, in special circumstances or in emergency circumstances could open locking closure by external force, be unlocked using lock core.
The oblique slide opening of lever pin and connecting rod connects at the tongue slide opening of the lock tongue, and the bar slide opening of oblique slide opening both sides connecting rod passes through pin Axis is connected with the bar slide opening of another connecting rod and the lock housing of interior lock body, and induction bolt block is equipped at the bar slide opening of connecting rod side.It is above-mentioned Induction bolt block drives connecting rod to move up and down, and the locking of lock tongue is realized, in order to realize the safe operation of interior lock body.
Structure of the invention reasonable design, inside and outside unlocking is easy to use, and unlocking mode is various, and anti-theft effect and safety are good; It is suitable as the safe-guard door lock use of metal cabinet door and the structure of similar product is improved.
Description of the drawings
Fig. 1 is the embodiment of the present invention part configuration schematic diagram.
Fig. 2 is the embodiment of the present invention schematic cross-sectional view, is partly exaggerated in figure.
Fig. 3 is the external structure schematic diagram of Fig. 2, and figure China and foreign countries handle is in an open state.
Fig. 4 is the left view structural representation of Fig. 3.
Fig. 5 is the internal sectional structure schematic diagram of Fig. 4.
Fig. 6 is the backsight partial cross-sectional structural diagram of Fig. 2.
Fig. 7 is the door panel structure schematic diagram of Fig. 4.
Fig. 8 is the external lock phosphor bodies rear portion enlarged structure schematic diagram of the present invention.
Fig. 9 is the interior lock body backsight internal structure schematic diagram of Fig. 5.
Figure number and title:1, door-plate, 2, pin, 3, adjusting rod, 4, first pressure spring, 5, interior lock body, 6, first Sunk screw, 7, hexagonal double-ended bolt, the 8, second sunk screw, 9, rear panel, 10, second pressure spring, 11, Internal handle, 12, spiral shell Nail, 13, outer lock body, 1301, outer handle, 14, ratchet, 15, gear, 16, lock tongue, 17, connecting rod, 18, bottom cover, 19, cover, 20, Pulling plate.
Specific implementation mode
In conjunction with attached drawing, structure of the invention and use are further described.The safe-guard door lock is a kind of and machinery cabinet lock group The Special anti-theft door lock used is closed, which need to assemble with machinery cabinet lock and use.Such as Fig. 1-embodiment illustrated in fig. 7, this is antitheft Interior lock body 5 is equipped in the door-plate 1 of door lock, interior lock body is packed by the mounting hole on door-plate a side edge in door-plate, and passes through first Sunk screw 6 is installed on door-plate, and the lock tongue 16 of interior lock body stretches out door-plate, and the side of door-plate is equipped with Internal handle 11, and the other side is equipped with Outer lock body 13;The Internal handle side of door-plate is equipped with rear panel 9, and hexagonal double-ended bolt 7 passes through one end of door-plate to be connect with outer lock body, and passes through Rear panel is fixed on the other end of hexagonal double-ended bolt by the second sunk screw 8, i.e. rear panel and outer lock body passes through hexagonal double-ended bolt, second Sunk screw is fixed on door-plate.Concrete structure is as follows:The lock tongue side of interior lock body is equipped with rack, and lock tongue passes through rack and ratchet 14 The gear 15 of outer diameter engages, and ratchet is connect by screw 12 with Internal handle one end of door-plate side, passes through inner handle screw another One end is stretched into the stomidium of 3 one end of adjusting rod, i.e., the adjusting rod end of screw is detached from adjusting rod, in the external lock body of the door-plate other side The adjusting rod other end and 1301 hinged end of outer handle of outer lock body offset, and the hinged place of outer handle is equipped with handle spring;In lock tongue Between internal lock vivo tongue slide opening and tongue pin connect with the lock housing of interior lock body, the oblique slide opening of lever pin and connecting rod 17 at the tongue slide opening of lock tongue The bar slide opening of connection, oblique slide opening both sides connecting rod is connected by the lock housing of the bar slide opening and interior lock body of axis pin and another connecting rod, even Induction bolt block is equipped at the bar slide opening of bar side.
Meanwhile Internal handle is T-shaped knob, ratchet both sides are respectively equipped with first pressure spring 4, second pressure spring 10, first pressure spring is set to the outer diameter of adjusting rod, and second pressure spring is set to inner handle shank end outer diameter;Second pressure It offsets on the inside of rear panel in one end and door-plate of power spring, the other end offsets with ratchet.Adjusting rod is square shaft, adjusting rod with Ratchet engages, and the Internal handle side of ratchet is equipped with ratchet 14 and keeps the sliding slot engaged with gear 15.The outer handle of outer lock body is fastened on In the shell of outer lock body, the adjusting rod external part of outer lock body is equipped with pin 2, and one end and the pin of first pressure spring offset, separately One end and the rod set of adjusting rod outer diameter offset.Induced electricity magnet valve, the dynamic iron of induced electricity magnet valve are equipped in one end housing of outer lock body The outer handle inner side limiting-position hole of outer lock body is stretched into core one end, and induced electricity magnet valve is connect by circuit with the circuit board in external lock body, Circuit board is equipped with battery or external power supply.The spring nail supported with outer grip palmistry is equipped in external lock body, the hinged place of outer handle is equipped with Handle spring.Lock core is equipped in another end housing of outer lock body, lock core is connect by lock core shaft with one end of pulling plate 20, pulling plate The other end is connect with the dynamic iron core other end of induced electricity magnet valve;The lock core end of outer lock body is equipped with locking closure, the lockhole of locking closure and lock core Alignment.
As shown in Figure 1, Figure 7 shows, which is equipped with easily mounting hole, and specific installation is as follows:It only needs to contain on door-plate There are one shaft hole and two fixing screw holes, i.e., can be pacified outer lock body by rear panel, hexagonal double-ended bolt, the second sunk screw Loaded on door-plate, while there is easily bore size, you can the outer lock body of the safe-guard door lock is installed.As shown in Fig. 2-Fig. 6, this is anti- The structure main feature for stealing door lock is as follows:Adjusting rod 3 is engaged with ratchet 14, gear 15, and adjusting rod 3 is driven by outer handle 1301 75 degree of right rotation, ratchet 14 and gear 15 drive the movement unlock of lock tongue 16(A side of lock tongue is equipped with rack), while driving lock Tongue 16 and connecting rod 17 realize unlock;When locking a door, door lock is lived by 1301 anticlockwise adjusting rod 3 of outer handle.In special circumstances, when Door-plate is lockked by outside, and interior also has personnel to go out, and is unlocked by door Internal handle 11.It is as follows:Handle in first pull-up After hand 11, ratchet 14 is disengaged from adjusting rod 3, and unlock is realized in 75 degree of 11 right rotation of Internal handle, to be locked a door after unlock, Internal handle 11 drive 75 degree of 3 right rotation of adjusting rod;Internal handle 11 is unclamped, waits for that Internal handle is retracted, after ratchet 14 is engaged with adjusting rod 3, then will Adjusting rod 3 resets latching realization and locks a door.The safe-guard door lock realizes that rotating left and right 75 degree of unlocks exchanges, and meets more door-plate directions Installation needs;The safe-guard door lock is applicable in various in the market by the thickness of hexagonal double-ended bolt and the adjustable door-plate of the second sunk screw Door thick installation and replacement.
In conclusion when the safe-guard door lock inside door emergency release:It is interior when external locking (adjusting rod 3 will be unable to rotate) Portion's unlock rotates Internal handle 11 at this time by the mating surface for pulling Internal handle 11 that ratchet 14 is made to be detached from adjusting rod 3, and Internal handle 11 will With the rotation onrelevant of adjusting rod 3.After Internal handle 11 rotates, the rotation of lock tongue 16 and the movement of connecting rod 17 is driven to realize unlock.It shuts When Internal handle 11 need to only be opened and rotate by a certain angle, after making the angle of adjusting rod 3 and the angular alignment of ratchet 14, unclamp interior handle Hand 11, Internal handle 11 is by 10 automatic clutch of second pressure spring, and it is synchronous that adjusting rod 3 engages realization with ratchet 14 again, then It is shut when the outer handle 1301 for turning off outer lock body 13.When the safe-guard door lock front unlocks:After unlock, on outer lock body 13 Outer handle 1301 opens rotation and adjusting rod 3 is driven to rotate, and adjusting rod 3 drives ratchet 14 to rotate, to which adjusting rod 3 passes through ratchet 14 Synchronous rotary is realized in connection with gear 15, and it is flexible that gear 15 drives lock tongue 16 to realize, while being driven connecting rod 17 to realize and being moved down It is dynamic, it is unlocked.

Claims (9)

1. a kind of safe-guard door lock, the door-plate of the safe-guard door lock(1)It is interior to be equipped with interior lock body(5), the lock tongue of interior lock body(16)Stretch out door The side of plate, door-plate is equipped with Internal handle(11), the other side is equipped with outer lock body(13);It is characterized in that the interior lock body(5)Lock Tongue(16)Side is equipped with rack, and lock tongue passes through rack and ratchet(14)The gear of outer diameter(15)Engagement, ratchet pass through screw(12) With door-plate(1)The Internal handle of side(11)And lock body outside the door-plate other side(13)Interior adjusting rod(3)One end connects, and adjusts The outer handle of the other end of bar and outer lock body(1301)Hinged end offsets, the internal lock vivo tongue slide opening and tongue pin among lock tongue with it is interior The lock housing of lock body connects.
2. safe-guard door lock according to claim 1, it is characterised in that the door-plate(1)Internal handle side be equipped with rear panel (9), hexagonal double-ended bolt(7)Across one end of door-plate and outer lock body(13)Connection, and pass through the second sunk screw(8)Rear panel is consolidated Due to the other end of hexagonal double-ended bolt, i.e. rear panel and outer lock body is fixed on door-plate by hexagonal double-ended bolt, the second sunk screw.
3. safe-guard door lock according to claim 2, it is characterised in that the Internal handle(11)For T-shaped knob, ratchet (14)Both sides are respectively equipped with first pressure spring(4), second pressure spring(10), first pressure spring is set to adjusting rod(3) Outer diameter, second pressure spring is set to inner handle shank end outer diameter;One end of second pressure spring and door-plate(1)After interior Panel(9)Inside offsets, and the other end offsets with ratchet, screw(12)Adjusting rod end and adjusting rod be detached from, i.e., across Internal handle Screw stretch at ratchet in the stomidium of adjusting rod, adjusting rod is square shaft, and adjusting rod is engaged with ratchet, the Internal handle side of ratchet Equipped with ratchet and gear(15)Keep the sliding slot of engagement.
4. safe-guard door lock according to claim 3, it is characterised in that the outer lock body(13)Outer handle(1301)It fastens In in the shell of outer lock body, the adjusting rod of outer lock body(3)External part is equipped with pin(2), first pressure spring(4)One end and pin Son offsets, and the rod set of the other end and adjusting rod outer diameter offsets.
5. safe-guard door lock according to claim 4, it is characterised in that the outer lock body(13)An end housing in be equipped with sense Solenoid valve, dynamic iron core one end of induced electricity magnet valve is answered to stretch into outer lock body(13)Outer handle(1301)Inner side limiting-position hole, induced electricity Magnet valve is connect by circuit with the circuit board in external lock body, and circuit board is equipped with battery or external power supply.
6. safe-guard door lock according to claim 5, it is characterised in that the outer lock body(13)It is interior to be equipped with and outer handle (1301)The hinged place of the spring nail to offset, outer handle is equipped with handle spring.
7. safe-guard door lock according to claim 5, it is characterised in that the outer lock body(13)Another end housing in be equipped with Lock core, lock core pass through lock core shaft and pulling plate(20)One end connection, the dynamic iron core of the other end and induced electricity magnet valve of pulling plate is another End connection.
8. safe-guard door lock according to claim 7, it is characterised in that the outer lock body(13)Lock core end be equipped with locking closure, lock Lid is aligned with the lockhole of lock core.
9. safe-guard door lock according to claim 1, it is characterised in that the lock tongue(16)Tongue slide opening at lever pin and connecting rod (17)The connection of oblique slide opening, the bar slide opening of oblique slide opening both sides connecting rod passes through the bar slide opening of axis pin and another connecting rod and interior lock body (5)Lock housing connection, induction bolt block is equipped at the bar slide opening of connecting rod side.
CN201610890927.6A 2016-10-12 2016-10-12 Safe-guard door lock Active CN106337602B (en)

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Application Number Priority Date Filing Date Title
CN201610890927.6A CN106337602B (en) 2016-10-12 2016-10-12 Safe-guard door lock

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610890927.6A CN106337602B (en) 2016-10-12 2016-10-12 Safe-guard door lock

Publications (2)

Publication Number Publication Date
CN106337602A CN106337602A (en) 2017-01-18
CN106337602B true CN106337602B (en) 2018-07-31

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Application Number Title Priority Date Filing Date
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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2286788Y (en) * 1996-10-09 1998-07-29 董洪胜 Multi-function double-way multi-position enciphered automatic alarmig lock
CN2289024Y (en) * 1996-05-03 1998-08-26 蔡树清 Numeral keyless safety lock
CN101824938A (en) * 2010-04-30 2010-09-08 江苏群雄智能科技有限公司 Lock tongue driving device independently installed on lock body, and intelligent lock
US7866713B2 (en) * 2008-08-27 2011-01-11 Te-Ming Chen Locker structure
CN206245873U (en) * 2016-10-12 2017-06-13 宁波生久柜锁有限公司 Antitheft door safe-guard door lock

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2289024Y (en) * 1996-05-03 1998-08-26 蔡树清 Numeral keyless safety lock
CN2286788Y (en) * 1996-10-09 1998-07-29 董洪胜 Multi-function double-way multi-position enciphered automatic alarmig lock
US7866713B2 (en) * 2008-08-27 2011-01-11 Te-Ming Chen Locker structure
CN101824938A (en) * 2010-04-30 2010-09-08 江苏群雄智能科技有限公司 Lock tongue driving device independently installed on lock body, and intelligent lock
CN206245873U (en) * 2016-10-12 2017-06-13 宁波生久柜锁有限公司 Antitheft door safe-guard door lock

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Address after: 315423 No.1, Shengjiu Ring Road, industrial park, Dayin Town, Yuyao City, Ningbo City, Zhejiang Province

Patentee after: Ningbo Shengjiu Technology Co.,Ltd.

Address before: 315423 Ningbo County, Zhejiang province Yuyao City

Patentee before: Ningbo Shengjiu Cabinet Lock Co.,Ltd.

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