CN105386654B - Electronic lock core and electronic lock - Google Patents
Electronic lock core and electronic lock Download PDFInfo
- Publication number
- CN105386654B CN105386654B CN201510923158.0A CN201510923158A CN105386654B CN 105386654 B CN105386654 B CN 105386654B CN 201510923158 A CN201510923158 A CN 201510923158A CN 105386654 B CN105386654 B CN 105386654B
- Authority
- CN
- China
- Prior art keywords
- lock
- rotating part
- pin
- arc groove
- ejector pin
- 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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Links
- 230000007246 mechanism Effects 0.000 claims abstract description 23
- 241000237970 Conus <genus> Species 0.000 claims description 6
- 239000011022 opal Substances 0.000 abstract description 7
- 238000005516 engineering process Methods 0.000 description 4
- 230000006698 induction Effects 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 241000282326 Felis catus Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Classifications
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
-
- 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
Landscapes
- Lock And Its Accessories (AREA)
- Control Of Vending Devices And Auxiliary Devices For Vending Devices (AREA)
- Switch Cases, Indication, And Locking (AREA)
Abstract
The invention discloses a kind of electronic lock core, it is included in the rotating part rotated in lock housing to drive the lock on lock tongue disengaging doorframe, arc groove is provided with the excircle of the rotating part, is additionally included in the lock pin for radially setting along rotating part in lock housing and being slidably matched with lock housing and the unlocking mechanism for driving lock pin；Door lock timing, the lock pin are extending at least partially into arc groove, and lock pin is contacted by the circumferential two side with arc groove and the rotation angle of rotating part is limited in the angle corresponding to arc groove, and rotating part can not drive lock tongue to leave lock in this angle；During unlocking, unlocking mechanism driving lock pin moves radially and leaves arc groove to release the limitation to rotating part rotation angle, so that rotating part driving lock tongue leaves lock.The lock core of this structure, which must increase a unlocking motion indoors, to open door, and the existing instrument robbed from opal can not drive the lock core to open lock tongue.
Description
Technical field
The present invention is a kind of electronic lock core and electronic lock.
Background technology
Electronic lock, using electromagnet (or micromotor) and lock body as performing, by electronic technology, IC design
Part, with reference to the identification technologies of a variety of innovations, (including computer networking technology, embedded software card, network alarming, lock body machinery are set
Meter) etc. comprehensive product.Electronic lock in modes such as outdoor brush electric magnetic card, pressing fingerprints by releasing the i.e. outdoor handle of lock core
Lock-out state, then the outer handle of turning cell is so as to which lock tongue be opened, it has a safety feature, particularly the angle from anti-theft unlocking outdoors
For degree, its security is better than traditional mechanical lock.But present electronic lock can not still avoid theft, molecule passes through cat
Eye OR gate seam is unlocked, and after thief removes opal, special tool(s) is extend into interior, instrument hook or set through opal from outdoor
On the indoor handle of electronic lock, rotated by tool control handle so as to unlock, or lock tongue is inserted the card into by crack between a door and its frame
Stir lock tongue and leave lock and unlock in position.
The content of the invention
In view of the deficienciess of the prior art, one of mesh technical problems to be solved of the present invention are to provide a kind of electronic lock
Lock core, the lock core can avoid theft molecule by opal OR gate seam from indoor unlocking.
To achieve these goals, the present invention is to realize by the following technical solutions：A kind of electronic lock core, including
Rotated in lock housing to drive the rotating part of the lock on lock tongue disengaging doorframe, arc is provided with the excircle of the rotating part
Groove, is additionally included in the lock pin for radially setting along rotating part in lock housing and being slidably matched with lock housing and the unlocking mechanism for driving lock pin；
Door lock timing, the lock pin are extending at least partially into arc groove, and lock pin is contacted by the circumferential two side with arc groove will
The rotation angle of rotating part is limited in the angle corresponding to arc groove, and rotating part can not drive lock tongue to leave in this angle
Lock；During unlocking, unlocking mechanism driving lock pin moves radially and leaves arc groove to release the limitation to rotating part rotation angle,
So that rotating part driving lock tongue leaves lock.
Further, the unlocking mechanism includes push rod and ejector pin, and the push rod is the same as the axial direction being located in the middle part of rotating part
The footpath radially extended by the slot bottom of arc groove along rotating part is arranged on rotating part in hole and with its axial sliding fit, the ejector pin
It is slidably matched into hole and with it, close outdoor one end of the push rod is the conus portion contacted with ejector pin, by indoor outside
When pressing push rod, the conus portion driving ejector pin of push rod is moved radially outward, and is ejected lock pin to outside arc groove by ejector pin.
Further, be respectively equipped with the axial hole and radial hole of the rotating part be placed on outside push rod and ejector pin first,
Two springs, first and second spring respectively apply push rod and ejector pin to indoor axial force and the radial direction to the rotating part center of circle
Power.
Further, the quantity of the ejector pin is two, and is symmetrical arranged in the angular bisector both sides of arc groove, the top
After pin ejects lock pin to outside arc groove, before the contact angle of ejector pin and lock pin is more than rotating part rotation in rotating part rotary course
Angle between the side wall and lock pin of arc groove.
Further, when the lock pin is in contact with the circumferential side wall of arc groove, the ejector pin axis adjacent with the circumferential side wall
Line is overlapped with lock pin axis.
Further, the unlocking mechanism includes being coaxially located at cam inside rotating part and is connected on cam and to room
The shaft of interior extension, when indoor rotating shaft, cam driven lock pin is ejected to outside arc groove.
Further, the unlocking mechanism includes magnetic push rod and the magnetopause pin opposite with magnetic push rod magnetism, the magnetic push rod
It is same to be located in the axial hole in the middle part of rotating part Nei and be arranged on its axial sliding fit, the magnetopause pin on rotating part by arc groove
The radial hole that is radially extended along rotating part of slot bottom in and be slidably matched with it, by indoor outwards pressing magnetic push rod, when magnetic push rod
Magnetic force between magnetopause pin outwards jacks up magnetopause pin, and is ejected lock pin to outside arc groove by magnetopause pin
Simultaneously, the invention solves another technical problem be to provide a kind of electricity using above-mentioned electronic lock core
Son lock, including lock housing, electronic lock core, outdoor unlocking mechanism and indoor handle, the interior handle are fixedly connected with rotating part,
The interior handle is equipped with the operating knob of driving unlocking mechanism, and the outdoor unlocking mechanism is started by outdoor induction mechanism, and
Drive lock pin disengaging arc groove.
Beneficial effects of the present invention：A kind of electronic lock core of the present invention, be included in lock housing rotate with drive lock tongue into
Go out the rotating part of the lock on doorframe, arc groove is provided with the excircle of the rotating part, be additionally included in lock housing along rotating part
The lock pin and the unlocking mechanism of driving lock pin for radially setting and being slidably matched with lock housing；Door lock timing, the lock pin is at least partly
Stretch in arc groove, lock pin is contacted by the circumferential two side with arc groove the rotation angle of rotating part being limited in arc
In angle corresponding to groove, and rotating part can not drive lock tongue to leave lock in this angle；During unlocking, unlocking mechanism driving lock
Pin moves radially and leaves arc groove to release the limitation to rotating part rotation angle, so that rotating part driving lock tongue leaves lock
Button.The lock core of this structure must increase a unlocking motion indoors to open door, existing to be robbed from opal
Instrument can not drive the lock core to open lock tongue.
Brief description of the drawings
Fig. 1 is a kind of schematic front view of electronic lock core of the present invention；
Fig. 2 is a kind of schematic side view of electronic lock core of the present invention；
Fig. 3 is the schematic front view of the electronic lock of the present invention；
Fig. 4 is that the side view of the electronic lock of the present invention regards schematic diagram；
In figure：1- electronic lock cores, 2- lock housings, unlocking mechanism outside 3- rooms, handle, 5- operating knobs, 100- rotations in 4- rooms
Portion, 101- arc grooves, 102- axial holes, 103- radial holes, 200- lock pins, 300- unlocking mechanisms, 301- push rods, 302- ejector pins,
303- conus portions, the first springs of 401-, 402- second springs.
Embodiment
Embodiment 1
The present embodiment is a kind of electronic lock core 1, is installed on electronic lock, and as depicted in figs. 1 and 2, which includes rotation
Portion 100, the rotating part 100 are rotated to drive electronic lock in lock housing 2 and by the driving of indoor or outdoors handle around its axis 110
Lock on lock tongue disengaging doorframe.When rotating part 100 remains static, in lock, corresponding door is also at lock tongue
Locked state, during unlocking, is rotated, when it turns to (the unlock of a certain position by the handle driving rotating part 100 of indoor or outdoors
Position) when, lock tongue leaves lock, unlocks, and goalkeeper is opened.
It will be locked from opal by handle in special tool(s) control cabinl pulpit or by crack between a door and its frame card instrument for the molecule that avoids theft
Tongue is dialled from lock to unlock, this electronic lock core has been specifically designed lock pin 200, push rod 301 and ejector pin 302, as shown in Figure 1, rotation
Arc groove 101 is provided with along its circumferential direction on the excircle 107 of transfer part 100, arc groove 101 has circumferential two side 104,105 and groove
Bottom 106, the angle of circumference corresponding to slot bottom 106 are slightly larger than 180 °, which is set along the radial direction of rotating part 100, and and lock housing
2 are slidably matched, and for lock pin 200 in inactive state, the lower part of lock pin 200 stretches in arc groove 101 and close slot bottom 106, when
When rotating part 100 rotates, when the two side 104,105 of arc groove 101 is contacted with the left and right sides wall of lock pin 200, rotating part
100 rotation will be limited, that is to say, that and rotating part 100 can only rotate in the circumferential angle alpha corresponding to arc groove 101, and
When rotating part 100 rotates in this α angle, rotating part 100 can not drive lock tongue to leave lock, that is, the solution of rotating part 100
Lock position A is located at the region beyond circumferential angle alpha.Rotating part 100 is provided with axial hole 102 and the radial hole communicated with axial hole 102
103, radial hole 103 is the stepped hole opened up by the slot bottom 106 of arc groove 101 along 100 radial direction of rotating part, and push rod 301 is located at axis
It is slidably matched into hole 102 and with it, ejector pin 302 is then in radial hole 103, and ejector pin 302 is equipped with flange, and ejector pin passes through convex
The macropore of edge and radial hole 103 is radially slidably matched, when ejector pin remains static, the macropore of flange and radial hole 103
Bottom hole contact, top, that is, radial outside of ejector pin 302 is concordant with the slot bottom 106 of arc groove 101, bottom, that is, footpath of ejector pin 302
Stretch to inwardly in axial hole 102, it is interior that push rod 301, which is located at ejector pin 302 with respect to the inner side of door, and the front end of push rod 301 is
It is conus portion 303 close to outdoor one end.When being moved from indoor axially driving push rod to outdoor direction, the circular cone of push rod 301
Portion 303 starts to contact with the bottom of ejector pin 302, and as push rod 301 gradually moves, the top of ejector pin 302 is ejected arc groove 101
Slot bottom 106 and start to contact with the bottom of lock pin 200, and most lock pin 200 is ejected to outside arc groove 101 at last, such lock pin
200 will not produce rotary stopper to rotating part 100 again, i.e. rotating part 100 can be rotated to the region beyond circumference α namely
Rotating part 100, which can be rotated to unlocked position driving lock tongue, leaves lock.
Said structure shows, to electronic lock is opened indoors, first have to it is axial to outdoor direction promote push rod 301 with
Lock pin 200 is released to the spacing of rotating part 100, then in turning cell handle make rotating part 100 rotate to can drive lock tongue from
The position (unlocked position) of opening lock catch, that is, need two actions of axial and circumferential to complete to unlock.Although thief can be with
Opal is removed interior is stretched into by specific purpose tool and is connected on indoor handle, but it can not apply push rod 301 axial push away
Power, also can not just release rotary stopper of the lock pin 200 to rotating part 100, can not implement to steal by door opening.
Push rod 301 and ejector pin are placed on as shown in Fig. 2, being respectively equipped with the axial hole 102 and radial hole 103 of rotating part 100
First and second spring 401,402 outside 302, first and second spring 401,402 push rod 301 and ejector pin 302 are applied respectively to
Indoor axial force and the radial load to 100 center of circle of rotating part.Pass through first and second spring 401,402 pairs of push rods 301 and lock pins
200 apply the restoring force for returning to initial position.
As shown in Figure 1, the quantity of ejector pin 302 is two, and it is symmetrical arranged in the angular bisector both sides of arc groove 101, and
And respectively close to 101 side wall 104,105 of arc groove, lock pin 200 is in contact with the circumferential side wall 104 of arc groove 101 in Fig. 1,
At this time, ejector pin 302 axis adjacent with the circumferential side wall 104 is overlapped with 200 axis of lock pin, is applied axial force to push rod 301, is made
Ejector pin 302 ejects lock pin 200 to outside arc groove 101, keeps applying axial force to push rod 301, meanwhile, rotate clockwise rotation
Portion 100, rotates initial stage, and ejector pin 302 keeps contacting, rotates with rotating part 100 in ejector pin 302 and lost with lock pin 200 with lock pin 200
Go before contact, the tip of side wall 104 can be rotated to the lower section of lock pin 200, be rotated further rotating part 100, ejector pin 302 and lock
Pin 200 loses contact, i.e., ejector pin 302 loses the control to lock pin 200, but lock pin 200 is withstood under the effect of the 3rd spring 403
On the excircle 107 of rotating part 100, rotating part 100 can continue rotation to unlocked position so that lock tongue leaves lock.
The position of certain ejector pin 302 and lock pin 200 is not limited to above-mentioned position, as long as meeting that rotating part 100 is rotating
During the contact angle of ejector pin 302 and lock pin 200 (jack up rotating part when position to ejector pin departs from lock pin from ejector pin by lock pin
Rotation angle) it is more than the angle between the side wall and lock pin of rotating part rotation front arc groove, so lost pair in ejector pin 302
Before the control of lock pin 200, the circumferential direction of the arc groove 101 of rotating part 100 just has been moved off lock pin 200, when ejector pin 302 leaves lock pin
After 200, lock pin 200 will be withstood on the excircle 107 of rotating part 100.
It should be noted that except it is above-mentioned with push rod 301 and ejector pin 302 for unlocking mechanism 300 come drive lock pin 200 with solve
, can also be including being coaxially located at the cam inside rotating part 100 and being connected on cam in addition to the rotary stopper of rotating part 100
And to the shaft of indoor extension, when indoor rotating shaft, cam driven lock pin 200 is ejected to outside arc groove 101.Or including
Magnetic push rod and the magnetopause pin opposite with magnetic push rod magnetism, the magnetic push rod is the same as in the axial hole 102 being located in the middle part of rotating part 100
And it is arranged on its axial sliding fit, the magnetopause pin 302 on rotating part 100 by the slot bottom of arc groove 101 along 100 footpath of rotating part
It is slidably matched into radially extending hole 103 and with it, by indoor outwards pressing magnetic push rod, when between magnetic push rod and magnetopause pin
Magnetic force outwards jacks up magnetopause pin, and is ejected lock pin 200 to outside arc groove 101 by magnetopause pin.
Embodiment 2
The present embodiment is a kind of electronic lock, and as shown in Figure 3,4, which includes lock housing 2, electronic lock core 1, outdoor solution
Latch mechanism 3 and indoor handle 4, the interior handle 4 are fixedly connected with rotating part 100, and indoor handle 4 is provided with hole 401, hole 401
Operating knob 5 is equipped with, push rod 301 is extended in hole 401 and is connected with operating knob 5, and operating knob 5 has outside indoor handle 4
Press section.During outdoor enabling, outdoor unlocking mechanism 3 is driven by outdoor induction mechanism such as electromagnetism card, unlocked by fingerprint mechanism etc.,
Arc groove 101 is left to release lock pin 200 to the spacing of rotating part 100 by motor or solenoid actuated lock pin 200, is then rotated
Outdoor handle makes lock tongue leave lock to open the door.During indoor openings, handle 4 in turning cell, when indoor handle 4 is limited by lock pin 200
Position and when can not be rotated further, pressing operation button 5, released by 5 driving push rod 301 of operating knob with lock pin 200 to rotating part 100 and
Indoor handle 4 it is spacing, so as to be rotated further indoor handle 4 until door is opened.
The basic principles, main features and the advantages of the invention have been shown and described above, for this area skill
For art personnel, it is clear that the invention is not restricted to the details of above-mentioned one exemplary embodiment, and without departing substantially from the present invention spirit or
In the case of essential characteristic, the present invention can be realized in other specific forms.Therefore, in all respects, should all incite somebody to action
Embodiment regards exemplary as, and is non-limiting, the scope of the present invention by appended claims rather than on state
Bright restriction, it is intended that including all changes fallen in the implication and scope of the equivalency of claim in the present invention
It is interior.Any reference numeral in claim should not be considered as to the involved claim of limitation.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical solution, this narrating mode of specification is only that those skilled in the art should for clarity
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It is appreciated that other embodiment.
Claims (4)
1. a kind of electronic lock core (1), is included in the rotating part rotated in lock housing to drive the lock on lock tongue disengaging doorframe
(100), it is characterised in that：Arc groove (101) is provided with the excircle of the rotating part (100), is additionally included in lock housing along rotation
The lock pin (200) and the unlocking mechanism (300) of driving lock pin (200) that transfer part (100) radially sets and is slidably matched with lock housing；Door
During locking, the lock pin (200) is extending at least partially into in arc groove (101), lock pin (200) by with arc groove (101)
Circumferential two side contacts and the rotation angle of rotating part (100) is limited in the angle corresponding to arc groove (101), and herein
Rotating part (100) can not drive lock tongue to leave lock in angle；During unlocking, unlocking mechanism (300) driving lock pin (200) radially moves
Move and leave arc groove (101) to release the limitation to rotating part (100) rotation angle, so that rotating part (100) driving lock
Tongue leaves lock；The unlocking mechanism (300) includes push rod (301) and ejector pin (302), and the push rod (301) is same to be located in rotation
It is arranged in axial hole (102) in the middle part of transfer part (100) and with its axial sliding fit, the ejector pin (302) on rotating part (100)
It is slidably matched in the radial hole (103) radially extended by the slot bottom of arc groove (101) along rotating part (100) and with it, it is described to push away
Close outdoor one end of bar (301) is the conus portion (303) contacted with ejector pin (302), and push rod (301) is outwards pressed by indoor
When, conus portion (303) the driving ejector pin (302) of push rod (301) is moved radially outward, and is pushed up lock pin (200) by ejector pin (302)
Go out to arc groove (101) outside.
2. electronic lock core according to claim 1, it is characterised in that：The axial hole (102) of the rotating part (100) and
It is respectively equipped with radial hole (103) and is placed on first and second spring (401,402) of push rod (301) and ejector pin (302) outside, described the
First, two springs (401,402) respectively apply push rod (301) and ejector pin (302) to indoor axial force and to rotating part (100)
The radial load in the center of circle.
3. electronic lock core according to claim 1, it is characterised in that：The quantity of the ejector pin (302) is two, and in
The angular bisector both sides of arc groove (101) are symmetrical arranged, and the ejector pin (302) ejects lock pin (200) to arc groove (101) outside
Afterwards, the contact angle of ejector pin (302) and lock pin (200) is more than rotating part (100) rotation frontal arc in rotating part (100) rotary course
Angle between the side wall and lock pin (200) of shape groove (101).
4. electronic lock core according to claim 1, it is characterised in that：The lock pin (200) and the week of arc groove (101)
When being in contact to side wall, the ejector pin adjacent with the circumferential side wall (302) axis is overlapped with lock pin (200) axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510923158.0A CN105386654B (en) | 2015-12-10 | 2015-12-10 | Electronic lock core and electronic lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510923158.0A CN105386654B (en) | 2015-12-10 | 2015-12-10 | Electronic lock core and electronic lock |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105386654A CN105386654A (en) | 2016-03-09 |
| CN105386654B true CN105386654B (en) | 2018-05-08 |
Family
ID=55419370
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510923158.0A Active CN105386654B (en) | 2015-12-10 | 2015-12-10 | Electronic lock core and electronic lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105386654B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110121584B (en) * | 2017-02-28 | 2021-10-26 | 北京骑胜科技有限公司 | Lock and method for unlocking |
| CN107855758B (en) * | 2017-12-15 | 2024-04-12 | 宁波太平洋电控系统有限公司 | Automatic press-in mechanism and method for magnetic positioning of cylindrical pin |
| JP7050176B2 (en) * | 2018-07-09 | 2022-04-07 | 叶偉▲ズオ▼ | Cylinder and control element |
| CN109667476A (en) * | 2018-12-17 | 2019-04-23 | 郭子华 | Anti-theft lock device |
| CN109403731A (en) * | 2018-12-17 | 2019-03-01 | 郭子华 | Electronic door lock device with high anti-theft performance |
| CN112814502A (en) * | 2021-03-05 | 2021-05-18 | 欧特美交通科技股份有限公司 | Vehicle door isolating device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2180743Y (en) * | 1993-11-22 | 1994-10-26 | 石国丛 | Multi-purpose theft-proof lock for single or double wings door |
| KR20010017065A (en) * | 1999-08-06 | 2001-03-05 | 김갑식 | Lock Device For A Door |
| CN201598884U (en) * | 2009-12-28 | 2010-10-06 | 应赤 | Inner lever handle with safeties for dual-rapidness lock |
| CN102199955A (en) * | 2010-03-25 | 2011-09-28 | 颜群 | Dial capable of being changed into handle for opening door |
| CN103422723A (en) * | 2012-05-16 | 2013-12-04 | 天津海州科工贸有限公司 | Auxiliary lock and fixing lock integrated lock |
| CN104790724A (en) * | 2015-03-09 | 2015-07-22 | 何春雷 | Drawback lock device |
| CN205370163U (en) * | 2015-12-10 | 2016-07-06 | 重庆华坛门业有限公司 | Electronic lock lock core and electronic lock |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203175190U (en) * | 2013-04-24 | 2013-09-04 | 黄光亮 | Safe key-free anti-theft lock |
-
2015
- 2015-12-10 CN CN201510923158.0A patent/CN105386654B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2180743Y (en) * | 1993-11-22 | 1994-10-26 | 石国丛 | Multi-purpose theft-proof lock for single or double wings door |
| KR20010017065A (en) * | 1999-08-06 | 2001-03-05 | 김갑식 | Lock Device For A Door |
| CN201598884U (en) * | 2009-12-28 | 2010-10-06 | 应赤 | Inner lever handle with safeties for dual-rapidness lock |
| CN102199955A (en) * | 2010-03-25 | 2011-09-28 | 颜群 | Dial capable of being changed into handle for opening door |
| CN103422723A (en) * | 2012-05-16 | 2013-12-04 | 天津海州科工贸有限公司 | Auxiliary lock and fixing lock integrated lock |
| CN104790724A (en) * | 2015-03-09 | 2015-07-22 | 何春雷 | Drawback lock device |
| CN205370163U (en) * | 2015-12-10 | 2016-07-06 | 重庆华坛门业有限公司 | Electronic lock lock core and electronic lock |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105386654A (en) | 2016-03-09 |
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