CN109989619A - A kind of silent door lock - Google Patents
A kind of silent door lock Download PDFInfo
- Publication number
- CN109989619A CN109989619A CN201910398838.3A CN201910398838A CN109989619A CN 109989619 A CN109989619 A CN 109989619A CN 201910398838 A CN201910398838 A CN 201910398838A CN 109989619 A CN109989619 A CN 109989619A
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- China
- Prior art keywords
- latch bolt
- block
- sliding block
- component
- noise reduction
- 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.)
- Pending
Links
- 230000009467 reduction Effects 0.000 claims abstract description 41
- 238000006073 displacement reaction Methods 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims description 11
- 239000004033 plastic Substances 0.000 claims description 9
- 229920003023 plastic Polymers 0.000 claims description 9
- 239000004677 Nylon Substances 0.000 claims description 3
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- 239000004568 cement Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 12
- 238000010586 diagram Methods 0.000 description 6
- 230000008859 change Effects 0.000 description 4
- 239000007769 metal material Substances 0.000 description 3
- 230000001737 promoting effect Effects 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000002360 explosive Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Classifications
-
- 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
- E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
- E05B15/10—Bolts of locks or night latches
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B17/00—Accessories in connection with locks
- E05B17/0045—Silencing devices; Noise reduction
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B63/00—Locks or fastenings with special structural characteristics
- E05B63/04—Locks or fastenings with special structural characteristics for alternative use on the right-hand or left-hand side of wings
- E05B63/046—Locks or fastenings with special structural characteristics for alternative use on the right-hand or left-hand side of wings with double-bevelled latch or the like
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B63/00—Locks or fastenings with special structural characteristics
- E05B63/14—Arrangement of several locks or locks with several bolts, e.g. arranged one behind the other
- E05B63/146—Arrangement of several locks or locks with several bolts, e.g. arranged one behind the other locks with two or more bolts, each bolt itself being a tumbler
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Lock And Its Accessories (AREA)
Abstract
The present invention relates to field of lockset, a kind of silent door lock, including lock case bottom component are provided, is equipped with latch bolt module in lock case bottom component, latch bolt module includes latch bolt component and for providing the latch bolt elastic component of elastic displacement for latch bolt component；Latch bolt component includes latch bolt block and carries out the latch bolt noise reduction part group of noise reduction to latch bolt；Latch bolt noise reduction part group includes anticollision sliding block, sliding block elastic component and position-limited wheel；The first groove is equipped in latch bolt block, anticollision sliding block is located in the first groove, and sliding block elastic component is for connecing anticollision sliding block in position-limited wheel.The completely mute effect of door lock can be achieved in the present invention, and structure is simple, at low cost；Metalwork is spaced apart using anticollision sliding block, to reduce the noise that friction generates；It is opened in addition, the present invention also can avoid door by violence, safety coefficient is high.
Description
Technical field
The invention belongs to field of lockset, are related to a kind of silent door lock.
Background technique
Currently, on the market, either smart lock or mechanical lock are designed with latch bolt, drive lock tongue by driving device
Movement, drive the unlatching and closing of security door with this, latch bolt only has the effect being pre-positioned, this kind of situation exists can be by force
By latch bolt toward the problem of promoting, security door is caused to be opened by violence inside door-plate, safety coefficient is not high.
Door lock used in household field, latch bolt component are usually formed with metal material, in enabling and at closing time, because each
Shock or friction between component, can all make a noise.With the raising of the level of consumption of people, in office space or household field
It closes, is intended to reduce such noise as far as possible.There are many inventors to propose corresponding solution party from different technical standpoints
Case.Common solution is directly to slow down the shock of lock tongue from the lock tongue for being most also easy to produce shock or contact around it
Component improves.But it is most of to fail to reduce noise.
For such problem, the present inventor devises a kind of effective structure.In door closing process, latch bolt is most held
It easily collides and rubs with buckle, buffer and reduce friction with plastic parts in the place of its contact, and security door can be improved
Safety coefficient.
Summary of the invention
The purpose of the present invention is being directed to the above-mentioned problems in the prior art, a kind of silent door lock is provided.
Object of the invention can be realized by the following technical scheme: a kind of silent door lock, including lock case bottom component, institute
It states and is equipped with latch bolt module in lock case bottom component, the latch bolt module includes latch bolt component and for providing elasticity for latch bolt component
The latch bolt elastic component of displacement；
The latch bolt component includes latch bolt block and carries out the latch bolt noise reduction part group of noise reduction to latch bolt；
The latch bolt noise reduction part group includes anticollision sliding block, sliding block elastic component and position-limited wheel；The is equipped in the latch bolt block
One groove, the anticollision sliding block are located in the first groove, and the sliding block elastic component is for connecing anticollision sliding block in position-limited wheel.
The working principle of the invention: in the state of enabling, sliding block elastic component connects anticollision sliding block on position-limited wheel, sliding
Block elastic component is located at the central location of latch bolt block；When at closing time, anticollision sliding block first touches buckle, anticollision sliding block stress exists at this time
Sliding in latch bolt block, position-limited wheel play the role of limiting anticollision slide position but not hinder horizontally slipping for anticollision sliding block；When
After door is closed, anticollision sliding block can back within central location；When opening the door again, similarly anticollision sliding block is sliding in latch bolt block
It is dynamic.During entire switch gate, anticollision sliding block is contacted with buckle, will not be made a noise, and has been achieved the purpose that mute.
Preferably, the position-limited wheel is silent contact roller, the silent contact roller be can be rotated, when at closing time, anticollision sliding block and
Silent contact roller touches door-plate simultaneously, and silent contact roller rotation can prevent silent door lock astringent when locking a door, can not be smooth lock a door.
Preferably, the anticollision sliding block is equipped with the second groove, the shape of second groove is matched with position-limited wheel.
The setting of second groove ensure that anticollision sliding block can the smooth sliding in latch bolt block, also, anticollision sliding block is in the second groove
Thickness should be less than the thickness at anticollision sliding block glide direction both ends, prevent anticollision sliding block from taking off between sliding block elastic component and position-limited wheel
It falls.
Preferably, the silent contact roller is fixed on latch bolt block by fixed column, the anticollision sliding block is equipped with first
Limited block, first limited block are equipped with the third groove matched with fixed column.Fixed column can be made into pastes with third groove
It closes, silent contact roller the case where being bonded with the second groove simultaneously, makes to lock interior structure more compact, but to guarantee silent contact roller turn simultaneously
Dynamic smoothness；It may be alternatively configured fixed column not to be bonded with third groove, be only the case where silent contact roller is bonded with the second groove,
To guarantee the smoothness of silent contact roller rotation.When door lock and buckle just contact, silent contact roller contacts button with anticollision sliding block simultaneously
Plate or anticollision sliding block first contact buckle, and subsequent silent contact roller contacts buckle again.
Preferably, being additionally provided with elastic component jacking block between the anticollision sliding block and sliding block elastic component.Elastic component jacking block has two
A effect, first, the elastic force of sliding block elastic component can be uniformly transferred and give anticollision sliding block, anti-limited slip block elastic component makes anticollision sliding block
At damage；Second, the position that elastic component jacking block is contacted with sliding block elastic component may be configured as a groove, for fixing sliding block elasticity
Part, especially anticollision the sliding block stress in switch gate can slidably reciprocate, and the setting of elastic component jacking block can be by anti-limited slip block elastic component
It falls off.
Preferably, the elastic component jacking block is equipped with the first protrusion close to the side of anticollision sliding block, the anticollision sliding block is leaned on
The side of nearly elastic component jacking block is equipped with the second protrusion, and first protrusion is opposite with the second protrusion.First protrusion and the second protrusion
Setting, can both guarantee that elastic component jacking block played the role of fixed spring, and it is sliding to can reduce elastic component jacking block and anticollision
Friction between block, without limitation on the sliding of anticollision sliding block.
Preferably, the fitting part of the anticollision sliding block and elastic component jacking block is two wedge angles, the angle of wedge angle is
90 °~180 °.
Preferably, the anticollision sliding block is additionally provided with the second limited block, second limit close to the side of elastic component jacking block
Position block is used to limit the displacement of elastic component jacking block.Even if guaranteeing that elastic component jacking block will not be from anticollision in the sliding of anticollision sliding block
It is staggered or drops out on sliding block.
Preferably, the anticollision sliding block is made of noise reduction plastic material, and it is at low cost, there is good marketing,
Processing technology is simple.
Preferably, the noise reduction plastic material is nylon or TPE Elastic plastic-rubber or ABS plastic, above-mentioned different materials letter
It is singly easy to get, processing performance is good, at low cost.
Preferably, further including liner plate component, the latch bolt noise reduction part group further includes being arranged in latch bolt component and liner plate
Latch bolt noise reduction set between component；Erasure effect can be further increased.
Preferably, further including square tongue component and square tongue noise reduction set, the square tongue noise reduction is set on square tongue component and lining
Between board group part；Erasure effect can be further increased.
Preferably, the latch bolt block includes facing latch bolt portion and inclined-plane latch bolt portion directly, the case where latch bolt block normally stretches out
Under, the extension elongation for facing latch bolt portion directly relative to liner plate component is greater than 0；Since the latch bolt block is two-sided oblique angle, lead to latch bolt
Block is outstanding, and to have sub-fraction be to face directly, therefore after closing of the door, is difficult to avoid a quilt by force by latch bolt block toward promoting inside door-plate
Violence is opened, and safety coefficient is high.
Preferably, the latch bolt component further includes the connecting rod being removably connected on latch bolt block and is set on connecting rod
Latch bolt elastic component；Limit noise reduction ring is also arranged on the connecting rod, the limit noise reduction ring is used to eliminate the sending of latch bolt spring
Sound；Rubber ring is additionally provided on the connecting rod；Erasure effect can be further increased.
Preferably, the latch bolt block is symmetrical double-sided bevel, it is suitable for L.H.flapped door and R.H.flapped door.Without to open
The change in door direction adjusts latch bolt.
Preferably, the silent contact roller is metal material or noise reduction plastic material.
Compared with prior art, the invention has the following advantages that
The completely mute effect of door lock can be achieved in the present invention, and structure is simple, at low cost；It will be between metalwork using anticollision sliding block
It separates, to reduce the noise that friction generates；Latch bolt block is double-sided bevel, and L.H.flapped door or R.H.flapped door can be used, without for
The change in enabling direction adjusts latch bolt；It is opened in addition, the present invention also can avoid door by violence, safety coefficient is high.
Detailed description of the invention
Fig. 1 is lock body structure schematic diagram；
Fig. 2 is latch bolt component explosive view；
Fig. 3 is latch bolt component main view；
Fig. 4 is the face A-A cross-sectional view in Fig. 3；
Fig. 5 is the schematic diagram before door lock is closed；
Fig. 6 is schematic diagram when door lock is just contacted with buckle；
Fig. 7 is latch bolt schematic diagram；
Fig. 8 is anticollision slide block schematic diagram；
Fig. 9 is elastic component jacking block schematic diagram；
In figure, 1, liner plate component；2, latch bolt component: 3, square tongue component；4, square tongue noise reduction set；5, latch bolt is dialled and chooses component；6,
Lock case bottom component；7, latch bolt noise reduction set；20, fixed column；21, silent contact roller；22, anticollision sliding block；23, elastic component jacking block；24,
Sliding block elastic component；25, latch bolt block；26, latch bolt elastic component；27, noise reduction ring is limited；28, rubber ring；29, connecting rod；221, the first limit
Position block；222, the second groove；223, third groove；224, the second limited block；225, the second protrusion；231, the first protrusion；251,
Inclined-plane latch bolt portion；252, latch bolt portion is faced directly；253, the first groove.
Specific embodiment
The following is specific embodiments of the present invention, and technical scheme of the present invention will be further described, but the present invention is simultaneously
It is not limited to these embodiments.
As shown, a kind of silent door lock, including lock case bottom component 6, lock case bottom component 6 is interior to be equipped with latch bolt module,
Latch bolt module includes latch bolt component and for providing the latch bolt elastic component 26 of elastic displacement for latch bolt component；Latch bolt component includes oblique
Tongue block 25 and the latch bolt noise reduction part group that noise reduction is carried out to latch bolt；Latch bolt noise reduction part group includes anticollision sliding block 22, sliding block bullet
Property part 24 and position-limited wheel；The first groove 253 is equipped in latch bolt block 25, anticollision sliding block 22 is located in the first groove 253, sliding block elasticity
Part 24 is for connecing on 22 ground of anticollision sliding block in position-limited wheel.In the state of enabling, sliding block elastic component 24 is by 22 ground of anticollision sliding block
It connects on position-limited wheel, sliding block elastic component 24 is located at the central location of latch bolt block 25；When at closing time, anticollision sliding block 22 first touches button
Plate, 22 stress of anticollision sliding block is slided in latch bolt block 25 at this time, and position-limited wheel plays the role of limiting 22 position of anticollision sliding block but not
It can hinder horizontally slipping for anticollision sliding block 22；After door is closed, anticollision sliding block 22 can back within central location；When opening again
Men Shi, similarly anticollision sliding block 22 slides in latch bolt block 25.During entire switch gate, anticollision sliding block 22 is contacted with buckle,
It will not make a noise, achieve the purpose that mute.
Position-limited wheel is silent contact roller 21, and silent contact roller 21 can be rotated, when at closing time, anticollision sliding block 22 and silent contact roller 21 are same
When touch door-plate, the rotation of silent contact roller 21 can prevent silent door lock astringent when locking a door, can not be smooth lock a door.Anticollision sliding block
22 are equipped with the second groove 222, and the shape of the second groove 222 is matched with position-limited wheel.The setting of second groove 222 ensure that anti-
Hit sliding block 22 can the smooth sliding in latch bolt block 25, also, thickness of the anticollision sliding block 22 at the second groove 222 should be less than anticollision
The thickness at 22 glide direction both ends of sliding block, prevents anticollision sliding block 22 from falling off between sliding block elastic component 24 and position-limited wheel.It is mute
Idler wheel 21 is fixed on latch bolt block 25 by fixed column 20, and anticollision sliding block 22 is equipped with the first limited block 221, the first limited block
221 are equipped with the third groove 223 matched with fixed column 20.Fixed column 20, which can be made into, to be bonded with third groove 223, is quiet simultaneously
The case where sound idler wheel 21 is bonded with the second groove 222, makes to lock interior structure more compact, but to guarantee that silent contact roller 21 rotates simultaneously
Smoothness；It may be alternatively configured fixed column 20 not to be bonded with third groove 223, be only that silent contact roller 21 and the second groove 222 paste
The case where conjunction, to guarantee the smoothness of the rotation of silent contact roller 21.When door lock and buckle just contact, silent contact roller 21 and anticollision are sliding
Block 22 contacts buckle simultaneously or anticollision sliding block 22 first contacts buckle, and subsequent silent contact roller 21 contacts buckle again.Anticollision sliding block 22
Elastic component jacking block 23 is additionally provided between sliding block elastic component 24.Effect that there are two elastic component jacking blocks 23, first, it can be by sliding block elasticity
The elastic force of part 24 is uniformly transferred to anticollision sliding block 22, and anti-limited slip block elastic component 24 damages anticollision sliding block 22；Second, elasticity
The position that part jacking block 23 is contacted with sliding block elastic component 24 may be configured as a groove, especially anti-for fixing sliding block elastic component 24
Hitting the stress in switch gate of sliding block 22 can slidably reciprocate, and the setting of elastic component jacking block 23 can fall off anti-limited slip block elastic component 24.
Elastic component jacking block 23 is equipped with the first protrusion 231 close to the side of anticollision sliding block 22, and anticollision sliding block 22 is close to elastic component jacking block 23
Side is equipped with the second protrusion 225, and the first protrusion 231 and the second protrusion 225 are opposite.First raised 231 and second protrusion 225 is set
It sets, can both guarantee that elastic component jacking block 23 plays the role of fixed spring, and it is sliding with anticollision to can reduce elastic component jacking block 23
Friction between block 22, without limitation on the sliding of anticollision sliding block 22.Anticollision sliding block 22 and the fitting part of elastic component jacking block 23 are
Two wedge angles, the angle of wedge angle are 90 °~180 °.Anticollision sliding block 22 is additionally provided with the second limit close to the side of elastic component jacking block 23
Position block 224, the second limited block 224 are used to limit the displacement of elastic component jacking block 23.Even if guaranteeing when anticollision sliding block 22 slides, bullet
Property part jacking block 23 will not be staggered or drop out from anticollision sliding block 22.Anticollision sliding block 22 is made of noise reduction plastic material, at low cost,
With good marketing, processing technology is simple.
Noise reduction plastic material is nylon or TPE Elastic plastic-rubber or ABS plastic, and above-mentioned different materials are simple and easy to get, processability
Can be good, it is at low cost.Silent door lock further includes liner plate component 1, and latch bolt noise reduction part group further includes being arranged in latch bolt component and liner plate
Latch bolt noise reduction set 7 between component 1；Erasure effect can be further increased.Silent door lock further includes square tongue component and square tongue noise reduction
Set 4, square tongue noise reduction set 4 are arranged between square tongue component and liner plate component 1；Erasure effect can be further increased.Latch bolt block 25 wraps
Include and face latch bolt portion 252 and inclined-plane latch bolt portion 251 directly, latch bolt block 25 normally stretch out in the case where, face directly latch bolt portion 252 relative to
The extension elongation of liner plate component 1 is greater than 0；Since latch bolt block 25 is two-sided oblique angle, cause latch bolt block 25 is outstanding to have sub-fraction
To face directly, therefore after closing of the door, it is difficult by force by latch bolt block 25 toward promoting inside door-plate, avoids being opened by violence, safety is
Number is high.Latch bolt component further includes the connecting rod 29 being removably connected on latch bolt block 25 and the latch bolt elastic component being set on connecting rod 29
26；Limit noise reduction ring 27 is also arranged on connecting rod 29, limit noise reduction ring 27 is used to eliminate the sound of latch bolt spring sending；Connecting rod 29
On be additionally provided with rubber ring 28；Erasure effect can be further increased.Latch bolt block 25 is symmetrical double-sided bevel, is opened suitable for a left side
Door and R.H.flapped door.Latch bolt is adjusted without the change for enabling direction.Silent contact roller 21 is metal material or noise reduction plastic material.
The completely mute effect of door lock can be achieved in the present invention, and structure is simple, at low cost；Using anticollision sliding block 22 by metalwork
It is spaced apart, to reduce the noise that friction generates；It is opened in addition, the present invention also can avoid door by violence, safety coefficient is high.
According to the disclosure and teachings of the above specification, those skilled in the art in the invention can also be to above-mentioned embodiment party
Formula carries out change and modification appropriate.Therefore, the invention is not limited to the specific embodiments disclosed and described above, to this
Some modifications and changes of invention should also be as falling into the scope of the claims of the present invention.In addition, although this specification
In use some specific terms, these terms are merely for convenience of description, does not limit the present invention in any way.
Claims (10)
1. a kind of silent door lock, which is characterized in that be equipped with including lock case bottom component (6), in the lock case bottom component (6) oblique
Tongue module, the latch bolt module include latch bolt component and for providing the latch bolt elastic component (26) of elastic displacement for latch bolt component；
The latch bolt component includes latch bolt block (25) and carries out the latch bolt noise reduction part group of noise reduction to latch bolt；
The latch bolt noise reduction part group includes anticollision sliding block (22), sliding block elastic component (24) and position-limited wheel；The latch bolt block (25)
It is inside equipped with the first groove (253), the anticollision sliding block (22) is located in the first groove (253), and the sliding block elastic component (24) is used
It is connect on position-limited wheel in by anticollision sliding block (22).
2. a kind of silent door lock according to claim 1, which is characterized in that the position-limited wheel is silent contact roller (21).
3. a kind of silent door lock according to claim 1 or 2, which is characterized in that the anticollision sliding block (22) is equipped with the
The shape of two grooves (222), second groove (222) is matched with position-limited wheel.
4. a kind of silent door lock according to claim 2, which is characterized in that the silent contact roller (21) passes through fixed column
(20) it is fixed on latch bolt block (25), the anticollision sliding block (22) is equipped with the first limited block (221), first limited block
(221) it is equipped with the third groove (223) matched with fixed column (20).
5. a kind of silent door lock according to claim 1, which is characterized in that the anticollision sliding block (22) and sliding block elastic component
(24) elastic component jacking block (23) are additionally provided between.
6. a kind of silent door lock according to claim 1 or 5, which is characterized in that the elastic component jacking block (23) is close to anti-
The side for hitting sliding block (22) is equipped with first raised (231), and the anticollision sliding block (22) sets close to the side of elastic component jacking block (23)
There are second raised (225), described first raised (231) are opposite with second raised (225).
7. a kind of silent door lock according to claim 5, which is characterized in that the anticollision sliding block (22) is close to elastic component top
The side of block (23) is additionally provided with the second limited block (224), and second limited block (224) is for limiting elastic component jacking block (23)
Displacement.
8. a kind of silent door lock according to claim 1, which is characterized in that the anticollision sliding block (22) is by noise reduction plastic cement material
Material is made.
9. a kind of silent door lock according to claim 1, which is characterized in that the noise reduction plastic material is nylon or TPE
Elastic plastic-rubber or ABS plastic.
10. a kind of silent door lock according to claim 1, which is characterized in that further include liner plate component (1), the latch bolt
Noise reduction part group further includes the latch bolt noise reduction set (7) being arranged between latch bolt component and liner plate component (1)；
It further include square tongue component and square tongue noise reduction set (4), the square tongue noise reduction set (4) is arranged in square tongue component and liner plate component
(1) between；
The latch bolt block (25) includes facing latch bolt portion (252) and inclined-plane latch bolt portion (251) directly, is normally stretched out in latch bolt block (25)
In the case of, the extension elongation for facing latch bolt portion (252) directly relative to liner plate component (1) is greater than 0；
The latch bolt component further includes the connecting rod (29) being removably connected on latch bolt block (25) and is set on connecting rod (29)
Latch bolt elastic component (26)；Limit noise reduction ring (27) is also arranged on the connecting rod (29), the limit noise reduction ring (27) is for disappearing
The sound issued except latch bolt spring；
Rubber ring (28) are additionally provided on the connecting rod (29)；
The latch bolt block (25) is symmetrical double-sided bevel, is suitable for L.H.flapped door and R.H.flapped door.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910398838.3A CN109989619A (en) | 2019-05-14 | 2019-05-14 | A kind of silent door lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910398838.3A CN109989619A (en) | 2019-05-14 | 2019-05-14 | A kind of silent door lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109989619A true CN109989619A (en) | 2019-07-09 |
Family
ID=67136551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910398838.3A Pending CN109989619A (en) | 2019-05-14 | 2019-05-14 | A kind of silent door lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109989619A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021007926A1 (en) * | 2019-07-18 | 2021-01-21 | 一诺电器有限公司 | Mute intelligent lock body delaying rebound of single lock tongue |
| WO2021007925A1 (en) * | 2019-07-18 | 2021-01-21 | 一诺电器有限公司 | Noiseless smart lock body with delayed springback of one-way bolt |
| WO2021179537A1 (en) * | 2020-03-10 | 2021-09-16 | 深圳市智芯物联科技有限公司 | Latch bolt sliding assistance apparatus |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021007926A1 (en) * | 2019-07-18 | 2021-01-21 | 一诺电器有限公司 | Mute intelligent lock body delaying rebound of single lock tongue |
| WO2021007925A1 (en) * | 2019-07-18 | 2021-01-21 | 一诺电器有限公司 | Noiseless smart lock body with delayed springback of one-way bolt |
| WO2021179537A1 (en) * | 2020-03-10 | 2021-09-16 | 深圳市智芯物联科技有限公司 | Latch bolt sliding assistance apparatus |
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