CN209457532U - A kind of door lock - Google Patents
A kind of door lock Download PDFInfo
- Publication number
- CN209457532U CN209457532U CN201821740243.9U CN201821740243U CN209457532U CN 209457532 U CN209457532 U CN 209457532U CN 201821740243 U CN201821740243 U CN 201821740243U CN 209457532 U CN209457532 U CN 209457532U
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- China
- Prior art keywords
- lock
- latch bolt
- clutch
- gear
- axle sleeve
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Abstract
The utility model discloses a kind of door locks, it include lock body, latch bolt component and main bolt component are provided in lock body, a rack gear and two groups of driven opening lock sets are additionally provided in lock body, latch bolt component and main bolt component are all connected with rack gear, every group of driven opening lock set includes motor and train of reduction gears, linkage is engaged with rack in gear of output end in train of reduction gears, clutch-linkage is realized by arrangement of clutch between input end gear and motor output shaft in train of reduction gears, the axle sleeve that the arrangement of clutch includes clutch shaft and is coaxially fixed on input end gear, clutch shaft is connected with motor output shaft, and it is coaxially inserted into axle sleeve, rotation section is provided on the part that clutch shaft is located in axle sleeve, clutch-linkage part is provided between the rotation section and axle sleeve, using the above structure, the utility model not only effectively simplifies The structure of arrangement of clutch, and the use of clutch motor is omitted, production cost is reduced, be simpler and more convenient to operate.
Description
Technical field
The utility model relates to a kind of door locks.
Background technique
To make door lock have better anti-theft performance and multiple groups unlocking mechanism being arranged in door lock, applicant is before this
The patent of a door lock, Patent No. 201820119813.6, in the technical solution of the patent document, due to two are applied for
Linkage is engaged with rack in the output end of group driven opening lock set, and while actually unlocking only needs to be implemented one group of electronic unlocking group
Part, therefore all include arrangement of clutch in every group of driven opening lock set, but the arrangement of clutch in above patent document, knot
Structure is relative complex, and clutch switching also needs to drive by clutch motor, so not only also relatively cumbersome, Er Qiezeng in operation
Add clutch motor, also results in production cost and greatly improve.
Utility model content
In view of the deficiencies of the prior art, the utility model provides that a kind of structure is simpler, more convenient operation, production cost
Lower door lock.
To achieve the above object, the utility model provides a kind of door lock, includes lock body, latch bolt group is provided in lock body
Part and main bolt component, latch bolt component include latch bolt, latch bolt axis, latch bolt pulling plate, latch bolt spring, and latch bolt axis activity is threaded through lock
On body, latch bolt is fixed on the outer end of latch bolt axis, and latch bolt pulling plate is fixed on the inner end of latch bolt axis, latch bolt spring pocket
On latch bolt axis, and latch bolt is promoted to stretch out outside lock body, main bolt component includes main lock tongue and lock tongue bracket, and main lock tongue is fixed
It is arranged on the outer end of lock tongue bracket, and can stretches out outside lock body, a rack gear and two groups of electronic unlockings is provided in the lock body
Component realizes by linkage and links that two groups of driven opening lock sets divide between the rack gear and latch bolt pulling plate and lock tongue bracket
The both ends of rack gear are located at, every group of driven opening lock set includes motor and train of reduction gears, exports end tooth in train of reduction gears
Wheel and rack engagement links, and passes through arrangement of clutch between input end gear and motor output shaft in train of reduction gears and realizes clutch connection
Dynamic, the axle sleeve that the arrangement of clutch includes clutch shaft and is coaxially fixed on input end gear, clutch shaft and motor are defeated
Shaft is connected, and is coaxially inserted into axle sleeve, and rotation section, the rotation are provided on the part that clutch shaft is located in axle sleeve
Clutch-linkage part is provided between portion and axle sleeve, and when rotation section rotation, the rotation section pushes clutch-linkage part and axle sleeve
Inner ring surface forms frictional fit；And when axle sleeve rotation, the inner ring surface and clutch-linkage part of the axle sleeve are in slipping state.
Using the above structure, two groups of driven opening lock sets are provided in lock body due to the utility model, it ought be wherein
When one group of driven opening lock set breaks down, people can also be unlocked by another group of starting to realize.And under normal circumstances, when
When one group of driven opening lock set work, another group, due to the presence of arrangement of clutch, not will drive rack gear movement, to will not influence
People normally unlock.
The beneficial effects of the utility model are: using the above structure, the arrangement of clutch in the utility model is mainly by clutch
Shaft, axle sleeve and clutch-linkage part are constituted, and when work, motor export and clutch shaft is driven to rotate, after clutch shaft rotates,
On rotation section will and then rotate, so that clutch-linkage part and axle sleeve inner ring surface be pushed to form frictional fit, and then drive axle sleeve
And then it rotates, since axle sleeve is coaxially fixed on input end gear, has thus driven entire train of reduction gears, that is, driven
Rack gear is mobile, realizes the Push And Release of door lock.Meanwhile when one group of driven opening lock set works, another group of driven opening lock set is not
It can execute, i.e., the motor of the group will not work, and motor does not work, and clutch shaft and rotation section thereon would not rotate, this
The inner ring surface and clutch-linkage part of sample axle sleeve are at slipping state, i.e. the movement of this hour rack only drives this group of driven opening
Train of reduction gears idle running in lock set, without will drive motor work.
In conclusion the utility model on the basis of guaranteeing has multiple groups unlocking mechanism in lock body, not only effectively simplifies
The structure of arrangement of clutch, and eliminate the use of clutch motor, such production cost reduced, at the same without into
Row clutch switching, it is also more convenient to operate.
The utility model can be further arranged to the inner ring surface of the axle sleeve as circle, the rotation section be ellipse or
Polygon, the clutch-linkage part are cylinder or steel ball of multiple circumference uniform distributions between axle sleeve inner ring surface and rotation section.Institute
It states and is additionally provided with guide sleeve between rotation section and axle sleeve, the guide sleeve is sleeved on rotation section, is correspondingly arranged on the guide sleeve
For the guide groove of clutch-linkage part radial slippage.
Using the above structure, since the inner ring surface of axle sleeve is that circle is in when axle sleeve rotates with clutch-linkage part
Slipping state, because without driving rotation section and then to rotate；And rotation section follow clutch shaft rotate when, due to the rotation
Portion is ellipse or polygon, therefore after the rotation of rotation section, will push the radial outward movement of clutch-linkage part, to make clutch-linkage
The inner ring surface of part and axle sleeve forms frictional fit, and then axle sleeve is driven to rotate together.And the guide sleeve and its upper guide groove are set
It sets, so that movement of the clutch-linkage part in clutch is more stable and has guiding performance.
The utility model may further be provided for the linkage include shift fork, handle bar gear, latch bolt pulling sleeve,
Jam plate, rotation is provided with handle shaft, handle bar gear and latch bolt pulling sleeve turning set in handle shaft on lock body, in lock body also
It is fixedly installed a fixing axle, jam plate turning set is correspondingly arranged on jam plate and engages with handle bar gear composition in fixing axle
The gear part of linkage is additionally provided with jam plate pillar on the jam plate, is correspondingly arranged on lock tongue bracket and jam plate pillar is constituted
The bracket chute of cooperation is slid, setting is there are three end is radially extended on latch bolt pulling sleeve, wherein first radially extends end and lock tongue branch
It is connected between frame by inclined ejecting plate, second, which radially extends end, is resisted against on latch bolt pulling plate, is provided on handle bar gear in its rotation
Second is acted on afterwards to radially extend end above and promote second to radially extend the handle bar gear pushing part that end presses inward against latch bolt pulling plate,
The shift fork is fixed in handle shaft, and is connected with rack gear, is provided on the shift fork and is supported after its rotation
It is pressed in third and radially extends the shift fork pushing part on holding, be correspondingly arranged on handle bar gear and form the tooth abutted with shift fork pushing part
Take turns abutting part.
Using the above structure, shift fork rotation will be driven after rack gear is mobile, the shift fork will pass through shift fork pushing part thereon
It is corresponding to push handle bar gear and the rotation of latch bolt pulling sleeve, to drive latch bolt pulling plate and lock tongue bracket to move inward, to realize latch bolt
With the retraction of main lock tongue, door-lock opening.
The utility model may further be provided sliding with fixing axle formation straight line to be additionally provided on the lock tongue bracket
Move the bracket straight of cooperation.Flexible more stable more guiding performance so that lock tongue bracket and main lock tongue is set in this way.
The utility model may further be provided on the lock body to be also installed with lock core and rotate with lock core
Lock core shifting block, be correspondingly arranged on jam plate with lock core shifting block formed against jam plate limiting section, be correspondingly arranged on inclined ejecting plate with
Lock core shifting block formed against inclined ejecting plate limiting section.
Using the above structure, people can also realize unlocking by inserting a key into lock core, specially after lock core rotation, by band
Movable lock core shifting block rotates together, to drive jam plate and latch bolt pulling sleeve to turn respectively by jam plate limiting section and inclined ejecting plate limiting section
It is dynamic, and then latch bolt pulling plate and lock tongue bracket is driven to move inward, to realize the retraction of latch bolt and main lock tongue, door-lock opening.
The utility model may further be provided to be provided with the universe rod being connected with lock tongue bracket on lock body, on lock body
It is additionally provided with the auxiliary lock tongue being connected with universe rod.By adding auxiliary lock tongue, can further lifting door lock anti-theft performance.
The utility model may further be provided hingedly to be installed on lock body for auxiliary lock tongue, and assists being provided on lock tongue
Equipment gear is correspondingly arranged on universe rod and constitutes the auxiliary rack for engage and linking with equipment gear.
The utility model may further be provided as the C-shaped setting of auxiliary lock tongue.Not only anti-theft is set in this way
Can be more preferable, and space needed for open and close lock is smaller.
Detailed description of the invention
Fig. 1 is the structure chart of the utility model；
Fig. 2 is the structure chart of driven opening lock set in the utility model；
Fig. 3 is one of sectional structure chart of arrangement of clutch in the utility model；
Fig. 4 is another sectional structure chart of arrangement of clutch in the utility model；
Fig. 5 is the structural exploded view of linkage in the utility model；
Fig. 6 is the structure chart of latch bolt component in the utility model；
Fig. 7 is the structure chart of lock core in the utility model；
Fig. 8 is the structure chart of main lock tongue part in the utility model；
Fig. 9 is the structure chart of main bolt component in the utility model.
Specific embodiment
A kind of door lock is given as shown in figs 1-9, includes lock body 1, and latch bolt component 2 and main lock tongue group are provided in lock body
Part 3, latch bolt component 2 include latch bolt 21, latch bolt axis 22, latch bolt pulling plate 23, latch bolt spring 24, and 22 activity of latch bolt axis is threaded through lock
On body 1, latch bolt 21 is fixed on the outer end of latch bolt axis 22, and latch bolt pulling plate 23 is fixed on the inner end of latch bolt axis 22,
Latch bolt spring 24 is sleeved on latch bolt axis 22, and latch bolt 21 is promoted to stretch out outside lock body 1, and main bolt component 3 includes main lock tongue 31
With lock tongue bracket 32, main lock tongue 31 is fixed on the outer end of lock tongue bracket 32, and can be stretched out outside lock body 1, the lock body 1
A rack gear 4 and two groups of driven opening lock sets 5 are inside provided with, are passed through between the rack gear 4 and latch bolt pulling plate 23 and lock tongue bracket 32
Linkage 7 realizes linkage, and two groups of driven opening lock sets 5 set up separately at the both ends of rack gear 4, and every group of driven opening lock set 5 includes
There are motor 51 and train of reduction gears 52, gear of output end 521 engages linkage, train of reduction gears with rack gear 4 in train of reduction gears 52
Realize that clutch-linkage, the arrangement of clutch 6 wrap by arrangement of clutch 6 between input end gear 522 and motor output shaft in 52
The axle sleeve 62 for including clutch shaft 61 and being coaxially fixed on input end gear 522 is provided with worm screw 53, clutch on motor output shaft
The worm gear 54 that linkage is engaged with worm screw 53 is correspondingly arranged in shaft 61, clutch shaft 61 is coaxially inserted into axle sleeve 62, clutch
It is provided with rotation section 63 on the part that shaft 61 is located in axle sleeve 62, clutch connection is provided between the rotation section 63 and axle sleeve 62
Moving part 64, and when rotation section 63 rotates, the rotation section 63 pushes clutch-linkage part 64 and 62 inner ring surface of axle sleeve to be formed and rubs
Cooperation；And when axle sleeve 62 rotates, the inner ring surface and clutch-linkage part 64 of the axle sleeve 62 are in slipping state.
Using the above structure, two groups of driven opening lock sets 5 are provided in lock body 1 due to the utility model, work as it
In one group of driven opening lock set 5 when breaking down, people can also be unlocked by another group of starting to realize.And in normal condition
Under, when one group of driven opening lock set 5 works, another group, due to the presence of arrangement of clutch 6, not will drive the movement of rack gear 4, thus
It will not influence people normally to unlock.
Arrangement of clutch 6 in the utility model is mainly made of clutch shaft 61, axle sleeve 62 and clutch-linkage part 64, work
When, motor 51 exports and clutch shaft 61 is driven to rotate, and after clutch shaft 61 rotates, rotation section 63 thereon will and then rotate,
To push clutch-linkage part 64 and 62 inner ring surface of axle sleeve to form frictional fit, and then axle sleeve 62 is driven and then to rotate, due to axis
Set 62 is coaxially fixed on input end gear 522, therefore has thus driven entire train of reduction gears 52, i.e. band carry-over bar 4 moves
It is dynamic, realize the Push And Release of door lock.Meanwhile when one group of driven opening lock set 5 works, another group of driven opening lock set 5 will not be held
Row, i.e. the motor 51 of the group will not work, and motor 51 does not work, and clutch shaft 61 and rotation section 63 thereon would not turn
Dynamic, the inner ring surface and clutch-linkage part 64 of such axle sleeve 62 are at slipping state, i.e. the movement of this hour rack 4 only drives
Train of reduction gears 52 in this group of driven opening lock set 5 dallies, and works without will drive motor 51.
In conclusion the utility model on the basis of guaranteeing has multiple groups unlocking mechanism in lock body 1, not only effectively simplifies
The structure of arrangement of clutch 6, and the use of clutch motor is eliminated, such production cost is reduced, while without
Clutch switching is carried out, it is also more convenient to operate.
The inner ring surface of the axle sleeve 62 is circle, the rotation section 63 be oval (as shown in Figure 3) or polygon (such as
Shown in Fig. 4), the clutch-linkage part 64 be cylinder of multiple circumference uniform distributions between 62 inner ring surface of axle sleeve and rotation section 63 or
Steel ball.Guide sleeve 65 is additionally provided between the rotation section 63 and axle sleeve 62, the guide sleeve 65 is sleeved on rotation section 63, described
The guide groove 66 for 64 radial slippage of clutch-linkage part is correspondingly arranged on guide sleeve 65.
Using the above structure, since the inner ring surface of axle sleeve 62 is circle, when axle sleeve 62 rotates, with clutch-linkage part
64 are in slipping state, because without driving rotation section 63 and then to rotate；And rotation section 63 follow clutch shaft 61 rotate when, by
It is ellipse or polygon in the rotation section 63, therefore after rotation section 63 rotates, it is radial will push clutch-linkage part 64
Outer shifting so that the inner ring surface of clutch-linkage part 64 and axle sleeve 62 be made to form frictional fit, and then drives axle sleeve 62 to rotate together.And
The setting of the guide sleeve 65 and its upper guide groove 66 so that movement of the clutch-linkage part 64 in clutch it is more stable and have lead
Tropism.
The linkage 7 includes shift fork 71, handle bar gear 72, latch bolt pulling sleeve 73, jam plate 74, is rotated on lock body 1
Handle shaft 75, handle bar gear 72 and 73 turning set of latch bolt pulling sleeve are provided in handle shaft 75, also fixation is set in lock body 1
It is equipped with a fixing axle 76,74 turning set of jam plate is correspondingly arranged on jam plate 74 and constitutes with handle bar gear 72 in fixing axle 76
The gear part 741 of linkage is engaged, jam plate pillar 742 is additionally provided on the jam plate 74, is correspondingly arranged on lock tongue bracket 32
The bracket chute 321 of sliding cooperation is constituted with jam plate pillar 742, radially extends end there are three settings on latch bolt pulling sleeve 73, wherein
First radially extends and is connected between end 731 and lock tongue bracket 32 by inclined ejecting plate 77, and second, which radially extends end 732, is resisted against latch bolt
On pulling plate 23, it is provided on handle bar gear 72 after its rotation and acts on second and radially extend on end 732 and promote second radial
Elongated end 732 presses inward against the handle bar gear pushing part 721 of latch bolt pulling plate 23, and the shift fork 71 is fixed at handle shaft
On 75, and be connected with rack gear 4, be provided on the shift fork 71 after its rotation be pressed on third radially extend end 733 on
Shift fork pushing part 711, be correspondingly arranged on handle bar gear 72 and form the gear abutting part 722 abutted with shift fork pushing part 711.
Using the above structure, shift fork 71 will be driven to rotate after rack gear 4 is mobile, the shift fork 71 will be pushed away by shift fork thereon
Dynamic portion 711 accordingly pushes handle bar gear 72 and latch bolt pulling sleeve 73 to rotate, to drive latch bolt pulling plate 23 and lock tongue bracket 32 inside
It is mobile, to realize the retraction of latch bolt 21 and main lock tongue 31, door-lock opening.
The bracket straight for being formed with fixing axle 76 and sliding straightly cooperation is additionally provided on the lock tongue bracket 32
322.Flexible more stable more guiding performance so that lock tongue bracket 32 and main lock tongue 31 is set in this way.
The lock core shifting block 81 for being also installed with lock core 8 on the lock body 1 and being rotated with lock core 8, it is corresponding on jam plate 74
Be provided with lock core shifting block 81 formed against jam plate limiting section 743, be correspondingly arranged on and 81 shape of lock core shifting block on inclined ejecting plate 77
At against inclined ejecting plate limiting section 771.
Using the above structure, people can also realize unlocking by inserting a key into lock core 8, will after specially lock core 8 rotates
Band movable lock core shifting block 81 rotates together, to drive 74 He of jam plate respectively by jam plate limiting section 743 and inclined ejecting plate limiting section 771
Latch bolt pulling sleeve 73 rotates, and then latch bolt pulling plate 23 and lock tongue bracket 32 is driven to move inward, to realize latch bolt 21 and main lock tongue 31
Retraction, door-lock opening.
It is provided with the universe rod 9 being connected with lock tongue bracket 32 on lock body 1, is additionally provided on lock body 1 and is connected with universe rod 9
Dynamic auxiliary lock tongue 10.By add auxiliary lock tongue 10, can further lifting door lock anti-theft performance.Lock tongue 10 is assisted hingedly to fill
It is located on lock body 1, and assists being provided with equipment gear 101 on lock tongue 10, be correspondingly arranged on universe rod 9 and equipment gear 101
Constitute the auxiliary rack 91 of engagement linkage.The C-shaped setting of auxiliary lock tongue 10.Not only anti-theft performance is more preferable for setting in this way,
And space needed for open and close lock is smaller.
Claims (9)
1. a kind of door lock includes lock body, latch bolt component and main bolt component are provided in lock body, latch bolt component includes oblique
Tongue, latch bolt axis, latch bolt pulling plate, latch bolt spring, latch bolt axis activity are threaded through on lock body, and latch bolt is fixed at the outer end of latch bolt axis
On, latch bolt pulling plate is fixed on the inner end of latch bolt axis, and latch bolt spring pocket promotes latch bolt to stretch out lock body on latch bolt axis
Outside, main bolt component includes main lock tongue and lock tongue bracket, and main lock tongue is fixed on the outer end of lock tongue bracket, and can be stretched out
Outside lock body, a rack gear and two groups of driven opening lock sets, the rack gear and latch bolt pulling plate and lock tongue branch are provided in the lock body
It is realized and is linked by linkage between frame, two groups of driven opening lock sets set up separately in the both ends of rack gear, every group of driven opening lock set
It include motor and train of reduction gears, it is characterised in that: linkage is engaged with rack in gear of output end in train of reduction gears, slows down
Realize that clutch-linkage, the arrangement of clutch include by arrangement of clutch between input end gear and motor output shaft in gear set
Clutch shaft and the axle sleeve being coaxially fixed on input end gear, clutch shaft is connected with motor output shaft, and coaxially inserts
In axle sleeve, rotation section is provided on the part that clutch shaft is located in axle sleeve, be provided between the rotation section and axle sleeve from
STATEMENT OF FEDERALLY SPONSORED is closed, and when rotation section rotation, the rotation section pushes clutch-linkage part and axle sleeve inner ring surface to form frictional fit；And
When axle sleeve rotation, the inner ring surface and clutch-linkage part of the axle sleeve are in slipping state.
2. a kind of door lock according to claim 1, it is characterised in that: the inner ring surface of the axle sleeve is circle, and described turns
Dynamic portion is ellipse or polygon, and the clutch-linkage part is multiple circumference uniform distributions between axle sleeve inner ring surface and rotation section
Cylinder or steel ball.
3. a kind of door lock according to claim 2, it is characterised in that: it is additionally provided with guide sleeve between the rotation section and axle sleeve,
The guide sleeve is sleeved on rotation section, and the guide groove for clutch-linkage part radial slippage is correspondingly arranged on the guide sleeve.
4. a kind of door lock according to claim 1 or 2 or 3, it is characterised in that: the linkage include shift fork,
Handle bar gear, latch bolt pulling sleeve, jam plate, rotation is provided with handle shaft on lock body, and handle bar gear and latch bolt pulling sleeve turning set are mounted in
A fixing axle is further fixedly arranged in handle shaft, in lock body, jam plate turning set is correspondingly arranged on jam plate in fixing axle
The gear part for engaging linkage is constituted with handle bar gear, jam plate pillar is additionally provided on the jam plate, and correspondence is set on lock tongue bracket
It is equipped with the bracket chute that sliding cooperation is constituted with jam plate pillar, setting is there are three end is radially extended on latch bolt pulling sleeve, wherein first
It radially extends and is connected between end and lock tongue bracket by inclined ejecting plate, second, which radially extends end, is resisted against on latch bolt pulling plate, handle tooth
It is provided on wheel after its rotation and acts on second to radially extend end upper and promote second to radially extend end to press inward against latch bolt drawing
The handle bar gear pushing part of plate, the shift fork are fixed in handle shaft, and are connected with rack gear, on the shift fork
It is provided with and is pressed on third after its rotation and radially extends shift fork pushing part on end, be correspondingly arranged on handle bar gear and shift fork
Pushing part forms the gear abutting part abutted.
5. a kind of door lock according to claim 4, it is characterised in that: be additionally provided on the lock tongue bracket and fixing axle
Form the bracket straight for sliding straightly cooperation.
6. a kind of door lock according to claim 4, it is characterised in that: be also installed with lock core on the lock body and with lock core
The lock core shifting block rotated together, be correspondingly arranged on jam plate with lock core shifting block formed against jam plate limiting section, it is right on inclined ejecting plate
Should be provided with lock core shifting block formed against inclined ejecting plate limiting section.
7. a kind of door lock according to claim 4, it is characterised in that: be provided with the day being connected with lock tongue bracket on lock body
The thin end of the scroll is additionally provided with the auxiliary lock tongue being connected with universe rod on lock body.
8. a kind of door lock according to claim 7, it is characterised in that: auxiliary lock tongue is hingedly installed on lock body, and is assisted
It is provided with equipment gear on lock tongue, the auxiliary rack for constituting with equipment gear and engaging linkage is correspondingly arranged on universe rod.
9. a kind of door lock according to claim 7 or 8, it is characterised in that: the C-shaped setting of auxiliary lock tongue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821740243.9U CN209457532U (en) | 2018-10-25 | 2018-10-25 | A kind of door lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821740243.9U CN209457532U (en) | 2018-10-25 | 2018-10-25 | A kind of door lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209457532U true CN209457532U (en) | 2019-10-01 |
Family
ID=68037404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821740243.9U Active CN209457532U (en) | 2018-10-25 | 2018-10-25 | A kind of door lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209457532U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115288527A (en) * | 2022-08-09 | 2022-11-04 | 深圳市凯迪仕智能科技有限公司 | Door lock |
-
2018
- 2018-10-25 CN CN201821740243.9U patent/CN209457532U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115288527A (en) * | 2022-08-09 | 2022-11-04 | 深圳市凯迪仕智能科技有限公司 | Door lock |
| CN115288527B (en) * | 2022-08-09 | 2023-11-24 | 深圳市凯迪仕智能科技股份有限公司 | door lock |
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