CN207004224U - A kind of magnetic lock - Google Patents
A kind of magnetic lock Download PDFInfo
- Publication number
- CN207004224U CN207004224U CN201720734332.1U CN201720734332U CN207004224U CN 207004224 U CN207004224 U CN 207004224U CN 201720734332 U CN201720734332 U CN 201720734332U CN 207004224 U CN207004224 U CN 207004224U
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- dead bolt
- lock
- thumb wheel
- locking
- spanner
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Abstract
The utility model belongs to door lock field, refer in particular to a kind of new magnetic lock, including lock and buckle, dead bolt hole is formed on buckle, also include the dead bolt and spanner follower being arranged on lock, it is connected between dead bolt and the spanner follower by swing component, the leading section of the dead bolt is provided with magnet, described dead bolt end is provided with the insurance thumb wheel being hinged with lock, described dead bolt is in blocking, the end of insurance thumb wheel and dead bolt compresses, locking is formed to coordinate, described dead bolt is in unlocking condition, insurance thumb wheel leaves the end of dead bolt, locking is released to coordinate, one power-assisted torsion spring is installed on the lock, one end of the power-assisted torsion spring is fixed on lock, the other end of power-assisted torsion spring is fixed on insurance thumb wheel, power-assisted torsion spring original state is compressive state, now give power of the insurance thumb wheel towards thumb wheel axis direction；The utility model has the advantages of simple in construction, easy to use, protective case is easy for installation, and unlocking or locking are laborsaving.
Description
Technical field
The utility model belongs to door lock field, refers in particular to a kind of new magnetic lock.
Background technology
At present, lockset uses spring lock more, stops that lock core rotation realizes that locking acts using the pellet that misplaces.And with people
The continuous improvement of living standard, there is certain requirement for the decoration of door and doorframe, current lock mainly includes lock
Tongue and the unlocking follower of tongue linked connection, are connected between unlocking follower and dead bolt by swing component, most of lockset
Dead bolt is revealed in outside lock body, and during closing, if imprudence opens locking system, i.e. insurance, insurance will promote to lock
Tongue is maintained at locking states, and dead bolt easily collides with doorframe, it is possible to damages doorframe in collision process, influences doorframe
It is attractive in appearance, repair again and unnecessary economic loss caused to people, and dead bolt spring force effect stretch out door body outside, hold
Easily damage child, easily causes the personal injury of child.
Therefore we need to make the contraction state of dead bolt to turn into its normality, are just stretched out only when resident family's wish is obedient to
Dead bolt, one of which solution are by dead bolt stopping means combination magnetic automatic absorbing mode：Both under normality dead bolt by pair
The effect of dead bolt stopping means can not stretch out lock, when shutdown makes dead bolt and dead bolt button aligns, pass through magnetic force automatic absorbing dead bolt
Lock is stretched out, the strength that now can only additionally apply by pulling inside and outside spanner could overcome magnetic force once again, return bolt retraction
Lock returns to normality, to open the door.
China Patent Publication No. CN201212299Y, publication date on March 25th, 2009, the entitled " family expenses of innovation and creation
Magnetic door lock ", that application discloses a kind of domestic magnetic door lock, include housing, the locking bolt being arranged on housing and unlock with
Moving part, it is connected between described locking bolt and unlocking follower by swing component, the front end of the locking bolt is provided with magnet, its
It is characterised by：Described locking bolt is placed in housing, and is coordinated with housing in sliding, and described locking bolt end is provided with intermittent locking
Device, the intermittent lock locking apparatus include insurance thumb wheel and with insurance thumb wheel multistation positioning locating piece, the locating piece with
Housing hinge connects, and described locking bolt be in blocking, and the side of locating piece and locking bolt compresses, and described locking bolt is in unlocking
State, locating piece compress with the driving of insurance thumb wheel and the end of locking bolt, form locking and coordinate.The patent solves dead bolt, and it is insufficient
Part is that the protective case on dead bolt slide plate is fixed by rivet, and installation is inconvenient；And when it opens the lock with the key or closed more
Arduously.
The content of the invention
The purpose of this utility model is to provide a kind of simple in construction, and easy to use, protective case is easy for installation, unlocks or locking
The new magnetic lock in labour-saving.
What the purpose of this utility model was realized in：
A kind of magnetic lock, including lock and buckle, dead bolt hole is formed on buckle, in addition to the dead bolt being arranged on lock
And spanner follower, it is connected by swing component between dead bolt and the spanner follower, the leading section of the dead bolt is provided with
Magnet, described dead bolt end are provided with intermittent lock locking apparatus, and the intermittent lock locking apparatus includes the insurance being hinged with lock
Thumb wheel, described dead bolt are in blocking, and the end for insuring thumb wheel and dead bolt compresses, and form locking and coordinate, described dead bolt
In unlocking condition, insurance thumb wheel leaves the end of dead bolt, releases locking and coordinates, a power-assisted torsion spring is provided with the lock,
One end of the power-assisted torsion spring is fixed on lock, and the other end of power-assisted torsion spring is fixed on insurance thumb wheel, power-assisted torsion spring initial shape
State is compressive state, now gives power of the insurance thumb wheel towards thumb wheel axis direction.
Guide groove is formed in the middle part of the dead bolt, the guide pillar to match with guide groove is fixed with the lock.
The insurance thumb wheel is placed in the lower end of dead bolt, and the insurance thumb wheel includes thumb wheel main body, and thumb wheel main body is radially outward
Extend locking end, dead bolt end is cambered surface, and the front end at locking end forms the cambered surface being adapted with dead bolt end, the thumb wheel
Main body is discoid, and when dead bolt is in unlocking condition, the end cambered surface of dead bolt is against in thumb wheel main body, and dead bolt is in blocking
When, locking end is against the lower end of dead bolt.
The thumb wheel main body is extended radially outwardly out the first limited block and the second limited block, and first is fixed with the lock
Limited post, the first limited post are arranged in the rotation section of the first limited block and the second limited block, when dead bolt is in blocking,
First limited post offsets with the first limited block, and when dead bolt is in unlocking condition, the first limited post offsets with the second limited block.
The spanner follower is radially outward from follower block, and the swing component is the cursor being hinged on lock, this turn
Swing arm includes the dead bolt drive end that sets at an angle and spanner linkage end, the corresponding position of the dead bolt and dead bolt drive end into
Type has the chute being adapted to it, and dead bolt drive end is extended in chute, and the follower block is arranged on dead bolt drive end and spanner connection
Offseted between moved end and with spanner linkage end.
The spanner follower radial outer end forms the 3rd limited block and the 4th limited block, and is fixed with the lock
Two limited posts, the second limited post are arranged in the rotation section of the 3rd limited block and the 4th limited block, and dead bolt is in blocking
When, the second limited post offsets with the 3rd limited block, and when dead bolt is in unlocking condition, the second limited post offsets with the 4th limited block.
Formed on the insurance thumb wheel and pull groove.
The end of the dead bolt forms spring snap fit, and spring snap fit is fixedly connected with one end of back-moving spring, resets bullet
The other end of spring is fixed on the first limited post, and first limited post is located at the lower section of spring snap fit, and the back-moving spring begins
It is in extended state eventually.
The dead bolt includes a dead bolt slide plate, and the leading section of dead bolt slide plate is provided with magnet installation portion, pacified in magnet installation portion
Equipped with magnet, protective case is cased with outside magnet installation portion, the inner face of the protective case forms at least one back-off, dead bolt slide plate
On form the catching groove to match with back-off.
The protective case includes a " u "-shaped main body, and " u "-shaped body includes a pair of sidewalls, and the back-off forms in this to side wall
Opposite end in the middle part of, the leading section of the dead bolt slide plate forms the " u "-shaped caulking groove being adapted with protective case shape, and " u "-shaped is embedding
Groove and protective case close-fitting.
The side depth of the " u "-shaped caulking groove is equal to the depth of protective case side wall.
The utility model is prominent and beneficial compared with prior art to be had the technical effect that：
1st, the utility model is compressive state by power-assisted torsion spring and power-assisted torsion spring original state, now gives thumb wheel court and dials
The design of the power of axis direction is taken turns, so as to by so simple structure, realize when stirring insurance thumb wheel, either toward unlocking
Direction or locking direction, power can be resolved into tangential force and concentric force, tangential force is with regard to that can give certain power-assisted, so as to reach
To unlocking and locking labour-saving effect.
2nd, the utility model is by the design of guide groove and guide pillar, so that secondary dead bolt does straight stretching motion, will not
Rock, so as to increase service life and stability.
3rd, the design of the stroke for length=dead bolt that the utility model passes through guide groove, so as to play limitation dead bolt stroke
Effect, prevents dead bolt from crossing componental movement.
4th, the utility model passes through locking end, thumb wheel main body and lower end the setting for the cambered surface of mutual cooperation for insuring thumb wheel
Meter, so that offseted at locking end and insurance thumb wheel, or thumb wheel main body and insurance thumb wheel, when offseting, contact surface is bigger, makes
Structure is more stable.
5th, the utility model can be played spacing by the design of the first limited block, the second limited block and the first limited post
And positioning action, prevent that insuring thumb wheel too rotates and cause magnetic lock to damage, and increases the service life.
6th, the utility model is to be hinged on lock radially outward from follower block, the swing component by spanner follower
Cursor, the cursor include the dead bolt drive end set at an angle and spanner linkage end, and the dead bolt drives with dead bolt
The corresponding position at end forms the chute being adapted to it, and dead bolt drive end is extended in chute, and the follower block is arranged on dead bolt drive
The design to offset between moved end and spanner linkage end and with follower block, so as to control dead bolt with spanner by simple structure realization
Withdraw.
7th, the utility model is spacing so as to realize by the design of the 3rd limited block, the 4th limited block and the second limited post
And positioning action, the slewing area of spanner follower can be not only controlled, can also indirectly limit the stroke of dead bolt.
8th, the utility model is by pulling the design of groove, so as to be linked with key, passes through key and drives insurance thumb wheel
Rotate.
9th, the utility model is by spring snap fit direct forming in dead bolt end, and the other end of back-moving spring is directly solid
The design being scheduled on the first limited post, so as to simplify structure, make full use of all parts, and by the design of back-moving spring,
Make it is more laborsaving when pulling spanner and unlocking, and after dead bolt withdrawal, due to the active force of back-moving spring, unless being received after closing the door
The suction of magnet, dead bolt are unable to free movement, solve the secondary dead bolt of tradition and stretch for a long time outside, easily injure asking for people or thing
Topic.
10th, the utility model is by the design of back-off on protective case, so as to make the installation of protective case more convenient, as long as pushing away
Can of entering is blocked by back-off, prevents protective case from skidding off.
11st, the utility model is by " u "-shaped caulking groove, and the design of " u "-shaped caulking groove and protective case close-fitting, anti-so as to play
The only effect of protective case double swerve.
12nd, the utility model is equal to the design of the thickness of protective case side wall by the side depth of " u "-shaped caulking groove, so as to anti-
Only occur the problem of interim card occur when secondary dead bolt is withdrawn, and secondary dead bolt is integrally had more aesthetic feeling, overall volume is smaller.
Brief description of the drawings
Fig. 1 is the structural representation of magnetic lock.
Fig. 2 is inside positive structure schematic when dead bolt is withdrawn.
Fig. 3 is inside structure schematic diagram when dead bolt is withdrawn.
Fig. 4 is inside positive structure schematic when dead bolt stretches out.
Fig. 5 is inside structure schematic diagram when dead bolt is withdrawn.
Fig. 6 is the structural representation of dead bolt.
1- locks；2- buckles；3- dead bolt holes；4- dead bolts；5- spanner followers；6- insures thumb wheel；7- power-assisted torsion springs；8- is led
To groove；9- guide pillars；10- thumb wheel main bodys；11- lockings end；The limited blocks of 12- first；The limited blocks of 13- second；The limited posts of 14- first；
15- follower blocks；16- cursors；17- dead bolt drive ends；18- spanners linkage end；19- chutes；The limited blocks of 20- the 3rd；21- the 4th
Limited block；The limited posts of 22- second；23- pulls groove；24- spring snap fits；25- back-moving springs；26- dead bolt slide plates；27- magnet is pacified
Dress portion；28- protective cases；29- back-offs；30- catching grooves；31- " u "-shaped main bodys；32- side walls；33- " u "-shaped caulking grooves.
Embodiment
The utility model is further described with specific embodiment below in conjunction with the accompanying drawings：
A kind of magnetic lock, including lock 1 and buckle 2, dead bolt hole 3 is formed on buckle 2, in addition to be arranged on lock 1
Dead bolt 4 and spanner follower 5, be connected between the dead bolt 4 and spanner follower 5 by swing component, the dead bolt 4
Leading section is provided with magnet, and the described end of dead bolt 4 is provided with intermittent lock locking apparatus, and the intermittent lock locking apparatus includes and lock
Be hinged insurance thumb wheel 6, described dead bolt 4 are in blocking, and the end of insurance thumb wheel 6 and dead bolt 4 compresses, and forms locking and matches somebody with somebody
Close, described dead bolt 4 is in unlocking condition, and insurance thumb wheel 6 leaves the end of dead bolt 4, releases locking and coordinates, on the lock 1
One power-assisted torsion spring 7 is installed, one end of the power-assisted torsion spring 7 is fixed on lock 1, and the other end of power-assisted torsion spring 7 is fixed on insurance
On thumb wheel 6, the original state of power-assisted torsion spring 7 is compressive state, now gives power of the insurance thumb wheel 6 towards thumb wheel axis direction, so
No matter insurance thumb wheel turns still to rotate counterclockwise clockwise, the power that power-assisted torsion spring is given can resolve into tangential force and concentric force,
Tangential force is just toward clockwise when rotating clockwise, and tangential force can thus give just toward counterclockwise when rotating counterclockwise
Certain power-assisted is given, is unlocked and the equal labour-saving effect of locking so as to reach.
The middle part of the dead bolt 4 forms guide groove 8, and the guide pillar 9 to match with guide groove is fixed with the lock 1.
The insurance thumb wheel 6 is placed in the lower end of dead bolt 4, and the insurance thumb wheel 6 includes thumb wheel main body 10, the footpath of thumb wheel main body 10
To locking end 11 is extended outward, dead bolt end is cambered surface, and the front end at locking end 11 forms the arc being adapted with dead bolt end
Face, the thumb wheel main body 10 are discoid, and when dead bolt 4 is in unlocking condition, the end cambered surface of dead bolt 4 is against thumb wheel main body 10
On, when dead bolt 4 is in blocking, locking end 11 is against the lower end of dead bolt 4.
The thumb wheel main body 10 extends radially outwardly out the first limited block 12 and the second limited block 13, solid on the lock 1
Surely there is the first limited post 14, the first limited post 14 is arranged in the rotation section of the first limited block 12 and the second limited block 13, lock
When tongue 4 is in blocking, the first limited post 14 offsets with the first limited block 12, when dead bolt 4 is in unlocking condition, the first limit
Position post 14 offsets with the second limited block 13.
For the spanner follower 5 radially outward from follower block 15, the swing component is the cursor 16 being hinged on lock,
The cursor 16 includes the dead bolt drive end 17 set at an angle and spanner linkage end 18, and the dead bolt 4 drives with dead bolt
The corresponding position at end 17 forms the chute 19 being adapted to it, and dead bolt drive end 17 is extended in chute 19, and the follower block 15 is set
Put between dead bolt drive end 17 and spanner linkage end 18 and offseted with spanner linkage end 18.
The radial outer end of spanner follower 5 forms the 3rd limited block 20 and the 4th limited block 21, consolidates on the lock
Surely there is the second limited post 22, the second limited post 22 is arranged in the rotation section of the 3rd limited block 20 and the 4th limited block 21, lock
When tongue is in blocking, the second limited post 22 offsets with the 3rd limited block 20, when dead bolt is in unlocking condition, the second limited post
22 offset with the 4th limited block 21.
Formed on the insurance thumb wheel and pull groove 23.
The end of the dead bolt forms spring snap fit 24, and spring snap fit 24 is fixedly connected with one end of back-moving spring 25,
The other end of back-moving spring 25 is fixed on the first limited post 14, and first limited post 14 is located at the lower section of spring snap fit 24,
The back-moving spring 15 is in extended state all the time.
The dead bolt includes a dead bolt slide plate 26, and the leading section of dead bolt slide plate is provided with magnet installation portion 27, magnet installation portion
Magnet is installed in 27, is cased with protective case 28 outside magnet installation portion 27, the inner face of the protective case 28 forms at least one
Back-off 29, the catching groove 30 to match with back-off is formed on dead bolt slide plate.
The protective case includes a " u "-shaped main body 31, and " u "-shaped body 31 includes a pair of sidewalls 32, and the back-off 29 forms in
In the middle part of the opposite end to side wall 32, the leading section of the dead bolt slide plate forms the " u "-shaped being adapted with the shape of protective case 28
Caulking groove 33, " u "-shaped caulking groove 33 and protective case close-fitting.
The side depth of the " u "-shaped caulking groove is equal to the depth of protective case side wall.
This uses new operation principle：
At closing time：
After shutdown, dead bolt and the alignment of dead bolt button, due to the absorption affinity of magnetic, dead bolt auto-extending, locked a door so as to reach
Effect；Now, if people wants time departure longer, for the sake of security, groove can be pulled with key turns, makes insurance thumb wheel
Rotate clockwise, so the locking end of insurance thumb wheel is against in the end cambered surface of dead bolt, so as to reach the effect of insurance, now not
It can be unlocked by spanner, it is necessary to it is only first by key unlocking, it can just pull spanner opening；
When opening the door：
First pass through key turns and pull groove, rotate counterclockwise insurance thumb wheel, so lock is left at the locking end of insurance thumb wheel
The end cambered surface of tongue, is then pulling spanner, rotates clockwise spanner follower and drives cursor to rotate counterclockwise, and rotates
The dead bolt drive end of arm drives dead bolt withdrawal and lock, can so open the door.Due to the effect of back-moving spring, after enabling, lock
Tongue also will not auto-extending.
The utility model has the characteristics of simple in construction, easy to use, protective case is easy for installation, and unlocking or locking are laborsaving.
The advantages of general principle and principal character of the present utility model and the utility model has been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the utility model is not restricted to the described embodiments, described in above-described embodiment and specification
Simply illustrate principle of the present utility model, on the premise of the spirit and scope of the utility model is not departed from, the utility model is also
Various changes and modifications are had, these changes and improvements are both fallen within claimed the scope of the utility model.The utility model
Claimed scope is by appended claims and its equivalent thereof.
Claims (10)
1. a kind of magnetic lock, including lock and buckle, dead bolt hole is formed on buckle, in addition to the dead bolt that is arranged on lock and
Spanner follower, it is connected by swing component between dead bolt and the spanner follower, the leading section of the dead bolt is provided with magnetic
Iron, described dead bolt end are provided with intermittent lock locking apparatus, and the intermittent lock locking apparatus includes dialling with the insurance that lock is hinged
Wheel, described dead bolt are in blocking, and the end for insuring thumb wheel and dead bolt compresses, and form locking and coordinate, at described dead bolt
In unlocking condition, insurance thumb wheel leaves the end of dead bolt, releases locking and coordinates, it is characterised in that：One is provided with the lock
Power-assisted torsion spring, one end of the power-assisted torsion spring are fixed on lock, and the other end of power-assisted torsion spring is fixed on insurance thumb wheel, and power-assisted is turned round
Spring original state is compressive state, now gives power of the insurance thumb wheel towards thumb wheel axis direction.
2. a kind of magnetic lock according to claim 1, it is characterised in that guide groove, institute are formed in the middle part of the dead bolt
The guide pillar for being fixed with lock and matching with guide groove, the stroke of length=dead bolt of guide groove are stated, dead bolt is in blocking,
Guide pillar is against the bottom of guide groove, and dead bolt is in unlocking condition, and guide pillar is against the top of guide groove.
3. a kind of magnetic lock according to claim 1, it is characterised in that the insurance thumb wheel is placed in the lower end of dead bolt, institute
Stating insurance thumb wheel includes thumb wheel main body, and thumb wheel main body extends radially outwardly out locking end, and dead bolt end is cambered surface, before locking end
End forms the cambered surface being adapted with dead bolt end, and the thumb wheel main body is discoid, when dead bolt is in unlocking condition, dead bolt
End cambered surface is against in thumb wheel main body, and when dead bolt is in blocking, locking end is against the lower end of dead bolt.
4. a kind of magnetic lock according to claim 3, it is characterised in that the thumb wheel main body extends radially outwardly out first
Limited block and the second limited block, the first limited post are fixed with the lock, the first limited post is arranged on the first limited block and
In the rotation section of two limited blocks, when dead bolt is in blocking, the first limited post offsets with the first limited block, and dead bolt is in and opened
During lock status, the first limited post offsets with the second limited block.
A kind of 5. magnetic lock according to claim 1 or 4, it is characterised in that the spanner follower radially outward from
Motion block, the swing component are the cursor being hinged on lock, and the cursor includes the dead bolt drive end set at an angle
With spanner linkage end, the dead bolt forms the chute being adapted to it, the extension of dead bolt drive end with the corresponding position of dead bolt drive end
To chute, the follower block is arranged between dead bolt drive end and spanner linkage end and offseted with spanner linkage end.
6. a kind of magnetic lock according to claim 5, it is characterised in that the spanner follower radial outer end forms
Three limited blocks and the 4th limited block, are fixed with the second limited post on the lock, the second limited post be arranged on the 3rd limited block and
In the rotation section of 4th limited block, when dead bolt is in blocking, the second limited post is offseted with the 3rd limited block, and dead bolt is in
During unlocking condition, the second limited post offsets with the 4th limited block.
7. a kind of magnetic lock according to claim 1, it is characterised in that formed on the insurance thumb wheel and pull groove.
A kind of 8. magnetic lock according to claim 4, it is characterised in that the end of the dead bolt forms spring snap fit,
Spring snap fit is fixedly connected with one end of back-moving spring, and the other end of back-moving spring is fixed on the first limited post, and described first
Limited post is located at the lower section of spring snap fit, and the back-moving spring is in extended state all the time.
9. a kind of magnetic lock according to claim 1, it is characterised in that the dead bolt includes a dead bolt slide plate, and dead bolt is slided
The leading section of plate is provided with magnet installation portion, and magnet is provided with magnet installation portion, protective case, the guarantor are cased with outside magnet installation portion
The inner face of sheath forms at least one back-off, and the catching groove to match with back-off is formed on dead bolt slide plate.
10. a kind of magnetic lock according to claim 9, it is characterised in that the protective case includes a " u "-shaped main body, " U "
Body includes a pair of sidewalls, and the back-off forms in the opposite end middle part to side wall, the leading section shaping of the dead bolt slide plate
There are the " u "-shaped caulking groove being adapted with protective case shape, " u "-shaped caulking groove and protective case close-fitting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720734332.1U CN207004224U (en) | 2017-06-22 | 2017-06-22 | A kind of magnetic lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720734332.1U CN207004224U (en) | 2017-06-22 | 2017-06-22 | A kind of magnetic lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207004224U true CN207004224U (en) | 2018-02-13 |
Family
ID=61447752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720734332.1U Active CN207004224U (en) | 2017-06-22 | 2017-06-22 | A kind of magnetic lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207004224U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108533070A (en) * | 2018-05-22 | 2018-09-14 | 徐志克 | Facilitate opening type lock |
| CN110318586A (en) * | 2018-03-30 | 2019-10-11 | 云丁网络技术(北京)有限公司 | A kind of electric door lock and its control method |
| CN110340220A (en) * | 2019-07-30 | 2019-10-18 | 温州市南恒智能科技有限公司 | A kind of processing technology of handle thumb wheel |
-
2017
- 2017-06-22 CN CN201720734332.1U patent/CN207004224U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110318586A (en) * | 2018-03-30 | 2019-10-11 | 云丁网络技术(北京)有限公司 | A kind of electric door lock and its control method |
| CN110318586B (en) * | 2018-03-30 | 2021-01-01 | 云丁网络技术(北京)有限公司 | Electric door lock and control method thereof |
| CN108533070A (en) * | 2018-05-22 | 2018-09-14 | 徐志克 | Facilitate opening type lock |
| CN108533070B (en) * | 2018-05-22 | 2023-08-11 | 中山市欧柏克五金制品有限公司 | Lock convenient to open |
| CN110340220A (en) * | 2019-07-30 | 2019-10-18 | 温州市南恒智能科技有限公司 | A kind of processing technology of handle thumb wheel |
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