CN109537998A - Lock clutch device and lock - Google Patents
Lock clutch device and lock Download PDFInfo
- Publication number
- CN109537998A CN109537998A CN201910084517.6A CN201910084517A CN109537998A CN 109537998 A CN109537998 A CN 109537998A CN 201910084517 A CN201910084517 A CN 201910084517A CN 109537998 A CN109537998 A CN 109537998A
- Authority
- CN
- China
- Prior art keywords
- bolt
- clutch
- turning set
- block
- handle turning
- 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
- 238000000605 extraction Methods 0.000 claims description 17
- 238000000034 method Methods 0.000 abstract description 11
- 239000000284 extract Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B3/00—Fastening knobs or handles to lock or latch parts
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B13/00—Devices preventing the key or the handle or both from being used
- E05B13/005—Disconnecting the handle
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lock And Its Accessories (AREA)
Abstract
The invention relates to the technical field of locks and discloses a lock clutch device and a lock, wherein the lock clutch device comprises a handle rotating sleeve, a rotating block, a bolt and a clutch, wherein the bolt has an unlocking state and a locking state; one end of the clutch facing the bolt is provided with a limiting surface which is used for pushing the bolt to a plugging station in a locking state from an unlocking state and keeping the bolt in the locking state, and a pulling-out assembly which is used for pulling out the bolt from the locking state to the unlocking state when the bolt is in the plugging station in the locking state. Among the above-mentioned tool to lock clutch, through setting up spacing face and extracting the subassembly and realize the handle and rotate the switching of locking, relieving the locking state between cover and the turning block, and rotate the cover at the handle and rotate the in-process, the bolt slides along spacing face, has avoided the bolt to rotate the in-process and has taken place the dead condition of card to the stability of tool to lock clutch's structure has been improved.
Description
Technical field
The present invention relates to field of lockset, in particular to a kind of lockset arrangement of clutch and lockset.
Background technique
Intelligent door lock in addition to being also provided with key unlocking other than fingerprint and password unlocking, key unlocking mainly have in front and
Bottom opening two ways.The fairly simple convenience of front unlocking, directly controls lock core, but more influences lockset surface on designing
Appearance.Bottom unlocking front unlocking structure relatively is complex, general to be designed as through clutch control bolt door handle
After linking together with activity transfer block, rotating handles achieve the purpose that unlocking.
In the prior art, the plug state for generalling use clutch control bolt realizes the company of door handle and activity transfer block
It connects, sliding block is set on bolt and groove profile arc guide rail is set on the clutch, and sliding block is located at that arc guide rail is interior to lead with circular arc
Rail cooperation, by the plug state of clutch motion control bolt, but when door handle and the rotation of activity transfer block, sliding block is in circular arc
It is moved back and forth in guide rail, stuck phenomenon easily occurs.
Summary of the invention
The present invention provides a kind of lockset arrangement of clutch and locksets, by setting confined planes and extract component realization handle
The switching of locking, the state that unlocks between turning set and rotating block, and in handle turning set rotation process, bolt is along limit
Plane sliding, avoids in bolt rotation process that there is a situation where stuck.
In order to achieve the above objectives, the present invention the following technical schemes are provided:
A kind of lockset arrangement of clutch, including handle turning set, rotating block and clutch pack, the clutch pack include
Bolt and clutch, in which:
The bolt has unlocked state and lock state, and the rotating block is released when the bolt is in the unlocked state
With the locking between the handle turning set；The rotation is locked when the bolt is in the lock state to turn with the handle fastly
Dynamic set, and when the bolt is in the lock state with the plug station for plugging the bolt and when the handle rotates
Set drives the postrotational rotary work station of rotating block；
The clutch is equipped with towards one end of the bolt for pushing the bolt to lock state by unlocked state
Plug station and the bolt is maintained at the confined planes of lock state and is used to be in the lock state when the bolt
Plug station when along the bolt extraction direction limit with by the clutch by the bolt by lock state extract to
The extraction component of unlocked state.
In above-mentioned lockset arrangement of clutch, including handle turning set, rotating block and clutch pack, wherein clutch pack
Including bolt and clutch, when bolt is in the unlocked state, contact rotating block and handle rotation inner room locking, when bolt by
When unlocked state is converted to lock state, confined planes and bolt are against and pushing bolt to lock state, at this point, bolt is located at
Plug station；After handle turning set drives rotating block rotation, bolt is located at rotary work station, at this time, it can be achieved that unlocking operation,
In the rotation process of handle turning set, bolt and confined planes along confined planes against and sliding；When bolt is turned to by rotary work station
When plugging station, extracts component and bolt is extracted to bolt along the extraction direction of bolt, to release handle turning set and rotating block
Between locking；
In above-mentioned lockset arrangement of clutch, is realized by the way that confined planes are arranged on the clutch and be pushed into bolt by unlocked state
Lock state realizes bolt by setting extraction component and is extracted by lock state to unlocked state, turned to realize handle
The switching of locking, the state that unlocks between dynamic set and rotating block, and in handle turning set rotation process, bolt is along limit
Plane sliding, avoids in bolt rotation process there is a situation where stuck, to improve the steady of the structure of lockset arrangement of clutch
Qualitative and reliability.
Optionally, the bolt is equipped with the protrusion for cooperating with the confined planes, when the clutch is described in
When handle turning set moves, the confined planes and the male cooperation make the bolt push lock state to by unlocked state.
Optionally, the component of extracting includes the sliding bar for being set to the bolt and deviating from handle turning set one end,
And the sliding bar extends along the direction away from the handle turning set, the sliding bar is equipped with gear away from one end of the bolt
Block, the clutch is equipped with the positioning column cooperated with the block towards the side of the bolt, so that the sliding bar and institute
It states clutch synchronization and is moved to the extraction direction of bolt and extract the bolt to unlocked state by lock state.
Optionally, the bolt and the sliding bar are hinged.
Optionally, the length direction on the sliding bar along the sliding bar is formed with bar shaped groove, and at the through slot
Equipped with the limited block for limiting the handle turning set rotational angle.
Optionally, the limited block includes the first sub- limited block and the second son that described first sub- limited block one end is arranged in
Limited block, the free end of the first sub- limited block pass through the through slot and connect with the clutch, and along perpendicular to the cunning
The size of second sub- limited block described in the length direction of lever is greater than the size of the through slot.
Optionally, it is formed with the first through slot on the handle turning set, is formed on the rotating block and leads to described first
Corresponding second through slot of slot, the bolt and first through slot and second through slot cooperate, by the handle turning set
It is connected with rotating block.
Optionally, the handle turning set away from the rotating block one end be equipped with spring block, the spring block with
Return spring connection on fixed block is set, so that when the handle turning set turns to lockset position of coupler by initial position,
Return spring, which generates restoring force, to rotate back to initial position for the handle turning set.
The present invention also provides a kind of locksets, including any one lockset arrangement of clutch as described in the above technical scheme.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, will make below to required in the embodiment of the present invention
Attached drawing is briefly described, it should be apparent that, attached drawing described below is only some embodiments of the present invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is the structural schematic diagram of lockset arrangement of clutch provided by the invention；
Fig. 2 is the explosive view of lockset arrangement of clutch provided by the invention；
Fig. 3 is the installation diagram of lockset arrangement of clutch provided by the invention；
Fig. 4 is located at structural schematic diagram when rotary work station for bolt in lockset arrangement of clutch provided by the invention.
Icon: 1- handle turning set；The first through slot of 11-；12- spring block；2- rotating block；The second through slot of 21-；3- is inserted
Pin；31- protrusion；4- clutch；41- confined planes；42- positioning column；5- sliding bar；51- block；6- limited block；61- the first son limit
Position block；The sub- limited block of 62- second；7- fixed block.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Technical solution provided in an embodiment of the present invention is introduced with reference to the accompanying drawing.
Shown in please refer to figs. 1 to 4, lockset arrangement of clutch provided in an embodiment of the present invention, including handle turning set 1, turn
Motion block 2 and clutch pack, clutch pack include bolt 3 and clutch 4, in which:
Bolt 3 has unlocked state and lock state, and rotating block 2 is released when bolt 3 is in the unlocked state and handle turns
Locking between dynamic set 1；When bolt 3 is in the lock state locking rotation fastly with handle turning set 1, and when bolt 3 be in lock
With the plug station for plugging bolt 3 and when handle turning set 1 drives the postrotational rotation work of rotating block 2 when determining state
Position；
Clutch 4 is equipped with the plug station for bolt 3 to be pushed to lock state by unlocked state towards one end of bolt 3
And bolt 3 is maintained at the confined planes 41 of lock state and is used for when the plug station that bolt 3 is in the lock state along inserting
The extraction direction of pin 3 is limited to be extracted bolt 3 to the extraction component of unlocked state by lock state by clutch 4.
In above-mentioned lockset arrangement of clutch, including 4 component of handle turning set 1, rotating block 2 and clutch, wherein clutch 4
Component includes bolt 3 and clutch 4, when bolt 3 is in the unlocked state, contacts the lock between rotating block 2 and handle turning set 1
Fixed, when bolt 3 is converted to lock state by unlocked state, confined planes 41 and bolt 3 are against and pushing bolt 3 to lock shape
State, at this point, bolt 3 is located at plug station；After handle turning set 1 drives rotating block 2 to rotate, bolt 3 is located at rotary work station, this
When, it can be achieved that unlocking operation, in the rotation process of handle turning set 1, bolt 3 and confined planes 41 are against and along confined planes 41
Sliding；When bolt 3 turns to plug station by rotary work station, extract component by bolt 3 along the extraction direction of bolt 3 by bolt
3 extract, to release the locking between handle turning set 1 and rotating block 2；
In above-mentioned lockset arrangement of clutch, realized bolt 3 by the way that confined planes 41 are arranged on clutch 4 by unlocked state
It is pushed into lock state, bolt 3 is realized by setting extraction component and is extracted by lock state to unlocked state, to realize handle
The switching of locking, the state that unlocks between hand turning set 1 and rotating block 2, and in 1 rotation process of handle turning set,
Bolt 3 is slided along confined planes 41, is avoided in 3 rotation process of bolt there is a situation where stuck, to improve lockset clutch dress
The stability and reliability for the structure set.
As a kind of embodiment of above-mentioned bolt 3, bolt 3 is equipped with the protrusion 31 for cooperating with confined planes 41, when
When clutch 4 is moved towards handle turning set 1, confined planes 41 and protrusion 31 cooperate, and bolt 3 is made to be pushed to lock shape by unlocked state
State.
Above-mentioned bolt 3 be equipped with protrusion 31, when needing to lock between rotating block 2 and handle turning set 1, clutch 4 to
It is moved close to the direction of handle turning set 1, meanwhile, protrusion 31 on confined planes 41 and bolt 3 by bolt 3 against and pushing to lock
Determine state, to realize the locking of bolt 3, and simple with 41 fit structure of confined planes by setting protrusion 31, avoids sending out
Raw stuck phenomenon, can effectively improve the stability of device.
As a kind of embodiment of above-mentioned extraction component, extracting component includes being set to bolt 3 away from handle turning set 1
The sliding bar 5 of one end, and sliding bar 5 extends along the direction away from handle turning set 1, sliding bar 5 is equipped with away from one end of bolt 3
Block 51, clutch 4 are equipped with the positioning column 42 cooperated with block 51 towards the side of bolt 3, so that sliding bar 5 and clutch 4
Synchronous move to the extraction direction of bolt 3 is extracted bolt 3 to unlocked state by lock state.
In above-mentioned extraction component, positioning column 42 is arranged towards the side of sliding bar 5 in clutch 4, and the free end of sliding bar 5 is set
Block 51 is set, when bolt 3 is in plug station, clutch 4 is moved to the direction far from handle turning set 1, at this point, clutch
4 drive sliding bar 5 to move synchronously by the cooperation of positioning column 42 and block 51, and sliding bar 5 is connect with bolt 3, thus realization pair
The extraction of bolt 3 operates, and extracts modular construction, and manufacture difficulty is low, while avoiding stuck phenomenon from occurring, reduces manufacture
Cost.
As a kind of connection type of above-mentioned bolt 3 and sliding bar 5, bolt 3 is fixedly connected with sliding bar 5, i.e., bolt 3 with
Sliding bar 5 is without relative motion, it can be achieved that the plug of bolt 3 and the synchronous rotation with handle turning set 1.
As another connection type of above-mentioned bolt 3 and sliding bar 5, bolt 3 and sliding bar 5 are hinged, compared to bolt 3
It is fixedly connected with sliding bar 5, when bolt 3 and sliding bar 5 are hinged, bolt 3 is required when plugging conversion between station and rotary work station
Space it is smaller.
As a kind of embodiment of above-mentioned sliding bar 5, the length direction on sliding bar 5 along sliding bar 5 is formed with bar shaped
Through slot, and the limited block 6 for limiting 1 rotational angle of handle turning set is equipped at through slot.
Bar shaped groove is formed on above-mentioned sliding bar 5, and limited block 6 is set at through slot, when bolt 3 is in plug station and rotation
When interdigit of changing a job is converted, when limited block 6 and bar shaped groove towards 5 free end of sliding bar end against when, handle turning set 1 revolves
The upper limit of rotation angle is gone to, therefore, the maximum angle for changing handle and rotating can be realized by changing the length of strip groove.
Specifically, limited block 6 includes the first sub- limited block 61 and the second son limit that first sub- 61 one end of limited block is arranged in
Position block 62, the free end of the first sub- limited block 61 pass through through slot and connect with clutch 4, and along the length side perpendicular to sliding bar 5
It is greater than the size of through slot to the size of the second sub- limited block 62.
In above-mentioned limited block, the size along the sub- limited block 62 of length direction second perpendicular to sliding bar 5 is greater than through slot
Size, that is, in the direction perpendicular to 4 place plane of clutch, the position of sliding bar 5 is defined, to prevent sliding stop
Bar 5 during rotation deviate by position, causes the damage of lockset.
As a kind of embodiment of above-mentioned handle turning set 1, it is formed with the first through slot 11 on handle turning set 1, rotates
Second through slot 21 corresponding with the first through slot 11, bolt 3 and the first through slot 11 and the cooperation of the second through slot 21 are formed on block 2, with
Handle turning set 1 and rotating block 2 are connected.
When bolt 3 is in the lock state, bolt 3 and the first through slot 11 and the second through slot 21 cooperate so that rotating block 2 with
Handle turning set 1 cooperates, and when swing handle turning set 1, rotating block 2 can be rotated synchronously, to realize unlocking operation, when bolt 3
When in the unlocked state, bolt 3 does not cooperate with the first through slot 11 and the second through slot 21, at this time handle turning set 1 and rotating block 2
Contact locking, when swing handle turning set 1, rotating block 2 is not rotated.
As a kind of embodiment of above-mentioned handle turning set 1, handle turning set 1 is equipped with bullet away from one end of rotating block 2
Spring block 12, spring block 12 are connect with the return spring being arranged on fixed block 7, so that when handle turning set 1 is by initial bit
It sets when turning to lockset position of coupler, return spring, which generates restoring force, to rotate back to initial position for handle turning set 1.
In above embodiment, the spring block 12 in handle turning set 1 is connect with return spring, so that working as operator
When swing handle, handle turning set 1 is rotated, and when operator, which cancels, to exert a force, handle turning set 1 returns back to original position, so that handle
It is automatic to restore to initial position.
The embodiment of the invention also provides a kind of locksets, including any one lockset arrangement of clutch in above-described embodiment.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (9)
1. a kind of lockset arrangement of clutch, which is characterized in that including handle turning set, rotating block and clutch pack, the clutch
Device assembly includes bolt and clutch, in which:
The bolt has unlocked state and lock state, and the rotating block and institute are released when the bolt is in the unlocked state
State the locking between handle turning set；The rotating block is locked when the bolt is in the lock state and the handle rotates
Set, and with the plug station for plugging the bolt and work as the handle turning set when the bolt is in the lock state
Drive the postrotational rotary work station of the rotating block；
The clutch is equipped with towards one end of the bolt for pushing the bolt to lock state insert by unlocked state
It pulls out station and the bolt is maintained at the confined planes of lock state and is used for the plug when the bolt is in the lock state
It limits when station along the extraction direction of the bolt to be extracted the bolt to unlock by lock state by the clutch
The extraction component of state.
2. lockset arrangement of clutch according to claim 1, which is characterized in that the bolt be equipped with for the limit
The protrusion of face cooperation, when the clutch is moved towards the handle turning set, the confined planes and the male cooperation make
The bolt pushes lock state to by unlocked state.
3. lockset arrangement of clutch according to claim 2, which is characterized in that the extraction component includes being set to described insert
Pin deviates from the sliding bar of handle turning set one end, and the sliding bar extends along the direction away from the handle turning set,
The sliding bar is equipped with block away from one end of the bolt, and the clutch is equipped with and the gear towards the side of the bolt
The positioning column of block cooperation so that the sliding bar and the clutch synchronization to the extraction direction of bolt move by the bolt by
Lock state is extracted to unlocked state.
4. lockset arrangement of clutch according to claim 3, which is characterized in that the bolt and the sliding bar are hinged.
5. lockset arrangement of clutch according to claim 3, which is characterized in that along the length of the sliding bar on the sliding bar
Degree direction is formed with bar shaped groove, and the limited block for limiting the handle turning set rotational angle is equipped at the through slot.
6. lockset arrangement of clutch according to claim 5, which is characterized in that the limited block include the first sub- limited block and
The second sub- limited block of described first sub- limited block one end is set, and the free end of the first sub- limited block passes through the through slot
It is connect with the clutch, and along the size of the second sub- limited block described in the length direction perpendicular to the sliding bar greater than described
The size of through slot.
7. lockset arrangement of clutch according to claim 1, which is characterized in that it is logical to be formed with first on the handle turning set
Slot is formed with the second through slot corresponding with first through slot, the bolt and first through slot and institute on the rotating block
The cooperation of the second through slot is stated, the handle turning set is connected with rotating block.
8. lockset arrangement of clutch according to claim 1, which is characterized in that the handle turning set deviates from the rotating block
One end be equipped with spring block, the spring block connect with the return spring being arranged on fixed block, so that when the handle
When turning set turns to lockset position of coupler by initial position, return spring generates restoring force and can rotate back to the handle turning set just
Beginning position.
9. a kind of lockset, which is characterized in that including the described in any item lockset arrangement of clutch of such as claim 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910084517.6A CN109537998B (en) | 2019-01-29 | 2019-01-29 | Lock clutch device and lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910084517.6A CN109537998B (en) | 2019-01-29 | 2019-01-29 | Lock clutch device and lock |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109537998A true CN109537998A (en) | 2019-03-29 |
| CN109537998B CN109537998B (en) | 2020-07-07 |
Family
ID=65838560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910084517.6A Active CN109537998B (en) | 2019-01-29 | 2019-01-29 | Lock clutch device and lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109537998B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109881985A (en) * | 2019-04-08 | 2019-06-14 | 浙江三木智能科技有限公司 | A kind of lockset |
| CN111927209A (en) * | 2020-07-29 | 2020-11-13 | 向德钊 | Door lock back locking control mechanism |
| CN115387672A (en) * | 2022-09-01 | 2022-11-25 | 江苏东冠智能科技有限公司 | Outside door handle lock |
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| US20020088682A1 (en) * | 2001-01-11 | 2002-07-11 | Chung-Min Chang | Manual clutch for an electric garage door |
| CN2546577Y (en) * | 2002-05-16 | 2003-04-23 | Tcl国际电工（惠州）有限公司 | Electric machine type radial clutch for door lock |
| DE10200153A1 (en) * | 2002-01-04 | 2003-07-17 | Lehmann Vertriebsgmbh | Motorized lock for furniture doors, drawers, etc. has a slip clutch to limit the motor action in a short distance rotation |
| DE202005020043U1 (en) * | 2005-12-22 | 2006-02-23 | Burg Schließsysteme F.W. Lüling KG | Bolting device for e.g. cabinets has movable pin that allows or prevents torque transfer between rotor and knob when rotor and knob are respectively coupled or uncoupled |
| CN202000752U (en) * | 2011-04-07 | 2011-10-05 | 杨官贵 | Double-safety electronic lock |
| CN203247944U (en) * | 2013-04-23 | 2013-10-23 | 佛山市思歌锁业科技有限公司 | Built-out clutch device for electronic lock |
| CN107130851A (en) * | 2017-06-30 | 2017-09-05 | 凯拔（中国）科技有限公司 | The electronic lock that can be opened by key |
| CN206636336U (en) * | 2017-04-12 | 2017-11-14 | 中山市雅尔电子科技有限公司 | A kind of electronic lock clutch reversing arrangement |
| CN107905640A (en) * | 2018-01-02 | 2018-04-13 | 李宝坚 | A kind of lockset clutch |
| CN207794834U (en) * | 2018-01-02 | 2018-08-31 | 李宝坚 | A kind of lockset clutch |
| CN109184328A (en) * | 2018-09-21 | 2019-01-11 | 深圳市罗曼斯科技有限公司 | A kind of lockset |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020088682A1 (en) * | 2001-01-11 | 2002-07-11 | Chung-Min Chang | Manual clutch for an electric garage door |
| DE10200153A1 (en) * | 2002-01-04 | 2003-07-17 | Lehmann Vertriebsgmbh | Motorized lock for furniture doors, drawers, etc. has a slip clutch to limit the motor action in a short distance rotation |
| CN2546577Y (en) * | 2002-05-16 | 2003-04-23 | Tcl国际电工（惠州）有限公司 | Electric machine type radial clutch for door lock |
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| CN206636336U (en) * | 2017-04-12 | 2017-11-14 | 中山市雅尔电子科技有限公司 | A kind of electronic lock clutch reversing arrangement |
| CN107130851A (en) * | 2017-06-30 | 2017-09-05 | 凯拔（中国）科技有限公司 | The electronic lock that can be opened by key |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109881985A (en) * | 2019-04-08 | 2019-06-14 | 浙江三木智能科技有限公司 | A kind of lockset |
| CN111927209A (en) * | 2020-07-29 | 2020-11-13 | 向德钊 | Door lock back locking control mechanism |
| CN115387672A (en) * | 2022-09-01 | 2022-11-25 | 江苏东冠智能科技有限公司 | Outside door handle lock |
| CN115387672B (en) * | 2022-09-01 | 2023-12-12 | 江苏东冠智能科技有限公司 | Outside door handle lock |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109537998B (en) | 2020-07-07 |
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