CN108930450A - A kind of multi-functional quite lock - Google Patents
A kind of multi-functional quite lock Download PDFInfo
- Publication number
- CN108930450A CN108930450A CN201810956522.7A CN201810956522A CN108930450A CN 108930450 A CN108930450 A CN 108930450A CN 201810956522 A CN201810956522 A CN 201810956522A CN 108930450 A CN108930450 A CN 108930450A
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- Prior art keywords
- lock
- bar
- lock tongue
- hook bar
- contact
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- 230000000903 blocking effect Effects 0.000 claims abstract description 13
- 230000007246 mechanism Effects 0.000 claims description 21
- 238000009434 installation Methods 0.000 claims description 7
- 230000008450 motivation Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 230000009471 action Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
Classifications
-
- 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
- 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
- E05B63/00—Locks or fastenings with special structural characteristics
- E05B63/18—Locks or fastenings with special structural characteristics with arrangements independent of the locking mechanism for retaining the bolt or latch in the retracted position
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Control Of Vending Devices And Auxiliary Devices For Vending Devices (AREA)
Abstract
The present invention relates to a kind of multi-functional quite locks, handle is connected with slide block and slide block can be driven to rotate, slide block and lock tongue assembly link, for driving lock tongue assembly flexible, wherein, hook bar is additionally provided in lock body, hook bar is rotatably mounted in lock box, the position of lock body side towards locking plate is provided with elastic push rod, the end of elastic push rod is in contact with the lower end of hook bar, the top for linking up with bar has fixture block, card slot corresponding with fixture block is offered at the lock tongue in lock tongue assembly, under unlocking condition, lock tongue front end is located in lock box, fixture block is located in card slot；In the lockout condition, lock tongue front end protrudes outside lock box, and fixture block is separated with card slot, and elastic push rod is used to switch the state between fixture block and card slot, switches mute lock between unlocking and blocking.The present invention can be avoided the collision and friction of lock tongue and locking plate in opening and closing, reach muting function, while improving the service life of door lock.
Description
Technical field
The present invention relates to a kind of locksets, can realize the multi-functional quite of bolt retraction locking automatically more particularly to one kind
Lock.
Background technique
For door lock when being closed, lock tongue first touches locking plate, and then inwardly retraction lock tongue, last lock tongue pop up lock again
Only in the cavity in locking plate, locking is realized.It is not difficult to find that lock tongue can hit locking plate sending during door is closed
The sound brings noise, and if things go on like this, will lead to doorframe stress generation deformation, lock core etc. due to hitting brought impact
The case where being hit and damaging.
Show have and adsorb by magnetic force to lock tongue in disclosed document at present, to realize door using magnetism
The opening and closing of lock avoids excessively contacting between lock tongue and buckle, but magnetic key operated lock still can be inevitably in absorption and release
Collision sound is issued, while contact of the lock tongue with locking plate is also unavoidable contacts, that is to say, that lock tongue and locking plate generation
Impact sound and grating can not eliminate.
Summary of the invention
The invention aims to providing a kind of mute lock, solves lock tongue and the locking plate contact-impact in opening and closing and ask
Topic can be avoided the collision and friction of lock tongue and locking plate in opening and closing, reach muting function, while improving the use longevity of door lock
Life.
In order to achieve the above objectives, the technical solution adopted by the present invention is that:
The present invention provides a kind of multi-functional quite lock, including lock body and locking plate, the lock body include lock box, lock tongue assembly,
Slide block and handle, handle are connected with the slide block and the slide block can be driven to rotate, the slide block and the lock
The linkage of tongue assembly, for driving the lock tongue assembly flexible, the locking plate has the cavity limited to lock tongue, the lock
Hook bar is additionally provided in body, the hook bar is rotatably mounted in the lock box, in lock body side towards the position of locking plate
It installs and is equipped with elastic push rod, the end of the elastic push rod is in contact with the lower end of the hook bar, the top of the hook bar
With fixture block, card slot corresponding with the fixture block is offered at the lock tongue in the lock tongue assembly, described is multi-functional quiet
Sound lock, which has, unlocks and is latched two states, and under the unlocking condition, the lock tongue front end is located in lock box, the fixture block
In the card slot；Under the blocking, the lock tongue front end is prominent outside the lock box, the fixture block
It being separated with the card slot, the elastic push rod is used to switch the state between the fixture block and the card slot, so that
The multi-functional quite lock switches between unlocking and blocking.
For above-mentioned technical proposal, there are also further Optimized Measures by applicant.
Further, the limited block for limiting hook bar turned position is provided in the lock box.
Further, the limited block is arranged close to the elastic push rod, for limiting the hook under blocking
The turned position of bar.
Further, the fixture block surface has guiding surface, for guiding retraction or the pop-up of lock tongue.
Further, the elastic push rod includes contact bar, contact spring and sleeve, and the sleeve is horizontally fixed on described
In lock box, the contact spring is placed in the sleeve, and the contact rod set is located at the outside of the sleeve, the contact bullet
One end of spring is connected with the inner opposite end of the contact bar, and the other end of the contact spring resists the lower part of the hook bar.
Further, the contact spring in a free state, the contact bar stretch out the distance of the lock box according to
The crack between a door and its frame distance of the multi-functional quite lock installation is adjusted.
It further, further include the lining being set in the sleeve in the elastic push rod, on the inside of the lining
With screw thread, the contact bar is threadedly engaged with the lining, passes through precession or back-out of the contact bar in the inner cylinder
To adjust the length that the contact bar stretches out lock box.
Further, the locking mechanism for locking hook bar is additionally provided in the lock body.Further, the lock
Determining mechanism includes shifting block and shifting block driving mechanism, and the shifting block driving mechanism is acted by external drive, and the shifting block is with described group
The movement of block driving mechanism and rotate, when the shifting block and it is described hook bar offset with realize to it is described hook bar locking.
Further, the torsional spring for resetting the hook bar is provided at the hook bar.
Due to the above technical solutions, the present invention has the following advantages over the prior art:
Mute lock of the invention, is additionally arranged rotatable hook bar, and the fixture block at the top of unlocking condition lower draw-bar bar can be with
The card slot being arranged at lock tongue is connected together, that is to say, that in bolt retraction, aft hook bar can lock lock tongue in place
So that it will not pop up, and in locking, elastic push rod is inwardly jacked after being in contact with locking plate, and then pushes the hook bar
The other end reverse movement so that fixture block is threaded off from card slot, to discharge lock tongue.It so, it is possible to realize and be locked under unlocking condition
Lock tongue automatic spring under gyrus lingulais contracting locking, blocking, also just can be avoided lock tongue and collides locking plate when locking opening and closing, thus
Noise is reduced, the service life of door lock is improved.
Further, the tip lengths that the spring spindle is stretched out be it is adjustable, bring benefit is exactly, being capable of basis
In-site installation situation (crack between a door and its frame spacing) and product tolerance carry out adjustment appropriate, improve field erected efficiency, while can be with
Guarantee the reliability service of door lock.
Detailed description of the invention
Some specific embodiments of the present invention is described in detail by way of example and not limitation with reference to the accompanying drawings hereinafter.
Identical appended drawing reference denotes same or similar part or part in attached drawing.It should be appreciated by those skilled in the art that these
What attached drawing was not necessarily drawn to scale.In attached drawing:
Fig. 1 is the unlocking process schematic of the mute lock of first embodiment of the invention；
Fig. 2 is structural schematic diagram of the mute lock of first embodiment of the invention under unlocking condition；
Fig. 3 is the structural schematic diagram of the mute lock of first embodiment of the invention in the lockout condition；
Fig. 4 is the unlocking process schematic of the mute lock of second embodiment of the invention；
Fig. 5 is structural schematic diagram of the mute lock of second embodiment of the invention under unlocking condition；
Fig. 6 is structural schematic diagram of the mute lock of second embodiment of the invention under unlocking and the locked not pop-up state of lock tongue；
Fig. 7 is the structural schematic diagram of the mute lock of second embodiment of the invention in the lockout condition.
Wherein, the reference numerals are as follows:
1, locking plate, 11, accommodate lock tongue cavity；
2, lock box；
3, lock tongue assembly, 31, lock tongue, 32, locking bar, 33, guide pin, 34, contact chip, 35, reset spring, 36, buffer spring,
37, card slot；
4, slide block；
5, bar, 51, shaft, 52, fixture block, 53, torsional spring are linked up with；
6, elastic push rod, 61, contact bar, 62, contact spring, 63, sleeve, 64, lining；
7, locking mechanism, 71, shifting block, 72, shifting block driving mechanism；
8, limited block.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
As long as in addition, the non-structure each other of technical characteristic involved in invention described below different embodiments
It can be combined with each other at conflict.
Embodiment one:
Fig. 1 is the unlocking process schematic of mute lock described in the present embodiment；Fig. 2 is the mute lock of the present embodiment in unlocking shape
Structural schematic diagram under state；Fig. 3 is the structural schematic diagram of the mute lock of the present embodiment in the lockout condition
Present embodiment describes a kind of mute locks comprising lock body and locking plate 1, on doorframe, lock body corresponds to locking plate 1
The height of locking plate 1 is fixed on the side of door-plate, and is equipped with handle (not shown) in the front and back of door-plate, handle
It links with the lock tongue assembly 3 in lock body, it is flexible to be able to drive lock tongue assembly 3.
Particularly, as shown in Figure 1, the lock body includes that lock box 2, lock tongue assembly 3, slide block 4 and handle, handle pass through
Square shaft drives slide block 4 to rotate, and the slide block 4 is connected and the slide block 4 can be driven to rotate, and slide block 4 then drives
Lock tongue 31 passes in and out in lock box 2 and in the cavity 11 of locking plate 1, to realize the unlocking and locking of door or window.
The lock tongue assembly 3 includes lock tongue 31, locking bar 32, guide pin 33, contact chip 34, reset spring 35 and buffer spring
36, the horizontally disposed through slot that locking bar 32 is worn can be held by offering in the lock box 2, and locking bar 32 is parallel to the through slot setting
And be movably threaded through in through slot, guide pin 33 is fixed on lock box 2 and is arranged perpendicular to the through slot, is set to described logical
The middle section of slot, the middle part of guide pin 33, which has, holds the pilot hole that locking bar 32 passes through, and one end of the locking bar 32 passes through buffer spring
36 are fixedly connected with the tail end of through slot, and the other end is fixedly connected after passing through the pilot hole with the lock tongue 31, in the guide pin
Reset spring 35 is socketed on locking bar 32 between 33 and the lock tongue 31, one end of the reset spring 35 is fixedly connected with guiding
Piece 33, the other end are fixedly connected with lock tongue 31.Contact chip 34 is fixed on locking bar 32, and the top of slide block 4 is set on locking bar 32,
And between contact chip 34 and the guide pin 33.
The locking plate 1 has the cavity 11 limited to lock tongue 31, and hook bar 5 is additionally provided in the lock body, described
Hook bar 5 is rotatably mounted in the lock box 2, and the hook bar 5 is to be fixed on institute by shaft 51 in the present embodiment
It states in lock box 2, in order to realize hook bar 5 automatically reseting when unlocking, the shaft 51 at the hook bar 5 can be used can
The Damping rotation shaft resetted is rotated, or by the setting resetting apparatus at shaft 51, such as at the shaft 51 of the hook bar 5
The torsional spring 53 for resetting hook bar is set.It should be noted that as long as can be realized hook bar 5 is to be rotatably arranged in lock box
Fixed form in 2 is possible, such as rotation pivot.
The position of lock body side towards locking plate is provided with elastic push rod 6, the end of the elastic push rod 6 and the extension
The lower end of shank 5 is in contact, and the top of the hook bar 5 has fixture block 52, opens up at the lock tongue 31 in the lock tongue assembly 3
There is card slot 37 corresponding with the fixture block 52, the multi-functional quite lock, which has, unlocks and be latched two states, described
Under unlocking condition, 31 front end of lock tongue is located in lock box 2, and the fixture block 52 is located in the card slot 37；Described
Under blocking, 31 front end of lock tongue is prominent outside the lock box 2, and the fixture block 52 is de- with 37 phase of card slot
From the elastic push rod 6 is used to switch the state between the fixture block 52 and the card slot 37, so that described multi-functional quiet
Sound lock switches between unlocking and blocking.
It can be appreciated that being additionally arranged rotatable hook bar 5 in the mute lock of the present embodiment, and it is arranged and is pushed up in hook bar 5
The fixture block 52 in portion can be connected together with the card slot 37 of 31 lower part of lock tongue, in this case, when unlocking turns handle in other words, lock
Tongue 31 bounces back, and fixture block 52 can be withstood in the card slot 37 of 31 lower part of lock tongue after lock tongue 31 is shunk in place, links up with bar 5 just at this time
Can by lock tongue 31 lock so that it will not pop up.And in locking, elastic push rod 6 is inwardly jacked after being in contact with locking plate 1,
And then the other end reverse movement of the hook bar 5 is pushed, so that fixture block 52 is threaded off from card slot 37, to discharge lock tongue 31.
The service life of door lock is improved to reduce noise in this way, just can be avoided lock tongue 31 and collide locking plate 1 in door opening and closing.
There is the limited block 8 for limiting hook 5 position of bar in lock box 2, in the present embodiment, the setting of limited block 8 exists
The lower part of the hook bar 5, positioned at the lower section of the elastic push rod 6, such limited block 8 can be for hook 5 lower end of bar
Position is defined.It is understood that the effect of limited block 8 is the turned position in order to limit hook bar 5, hook bar is prevented
5 rotate excessively after the fixture block 52 is separated with the card slot 37 and are shifted, all according to this to realize that above-mentioned function is limited
Equivalent change or modification made by spirit essence, should be covered by the protection scope of the present invention.
The side of the fixture block 52 at the top of the hook bar 5 is in inclined-plane, is linked up under the fixture block 52 and the lock tongue 31 at bar 5
After the card slot 37 in portion is threaded off, lock tongue 31 is popped up, and the fixture block 52 withstands on ejection door of the lock tongue 31 far from the lock tongue 31
On side, the limited block 8, which limits hook bar 5, prevents its rotational displacement.Meanwhile the process for bouncing back or popping up in lock tongue 31
In, inclined-plane possessed by fixture block 52 can guide lock tongue 31, so that mute lock internal work is steady.
In order to guarantee the normal operation of door lock, the elastic push rod 6 is designed as adjustable mandril, that is to say, that described
It is adjustable that the extension elongation of the contact bar 61 of lock box 2 is stretched out in elastic push rod 6.In this case, in the dress for carrying out the door lock
Timing, the extension elongation of elastic push rod 6 is adjustable to be allowed for elastic push rod 6 and adapts to different mounting conditions, such as, energy
Different size of crack between a door and its frame is enough adapted to, installation accuracy can be thereby reduced according to the extension elongation of crack between a door and its frame width adjusting elastic push rod 6
It is required that being installed convenient for worker.
Particularly, the elastic push rod 6 be double-layer barrel type structure, mainly include contact bar 61, contact spring 62,
And the sleeve 63 and lining 64 for connecting together and being slidably matched, the sleeve 63 are horizontally fixed in lock box 2, the lining
64 are arranged in sleeve 63 with contact spring 62, and the lining 64 is hollow structure, is provided with screw thread, the contact bar on its inner wall
It is threadedly engaged between 61 and the lining 64, by the precession or back-out for contacting bar 61 in 64 outside of lining to adjust
The length that contact bar 61 stretches out lock box 2 is stated, one end of the contact spring 62 is connected with the inner opposite end of the lining 64, described
The other end of contact spring 62 resists the lower part of the hook bar 5.The tip lengths that the spring spindle is stretched out be it is adjustable,
Bring benefit is exactly that can carry out adjustment appropriate according to in-site installation situation and product tolerance, improve field erected effect
Rate, while can also guarantee the reliability service of door lock.
In addition, it is necessary to explanation, it is mentioned above for contact bar 61 stretch out lock box 2 length refer to described in connect
The contact bar stretches out the distance of the lock box to touching spring in a free state, this distance is can be according to described multi-functional
Installation is adjusted in the crack between a door and its frame distance or erector's difference of mute lock installation.
In order to guarantee more accurately, reliable to shore the elastic push rod 6 in locking, corresponds on locking plate 1 and close
The position of elastic push rod 6 under lock status is provided with protrusion or convex block, to guarantee the useful effect of elastic push rod 6.
Know that concrete operations are as follows in open locking:
When unlocking, handle is turned, unlocking process is stirred as shown in Figure 1, make slide block 4 mobile to 34 direction of contact chip
Contact chip 34 described in 4 iron prop of block makes locking bar 32 bounce back, and then lock tongue 31 is driven to bounce back, and just arrives when lock tongue 31 is fully retracted
Position is so again exited door, lock tongue 31 so that the fixture block 52 for linking up with 5 top of bar is just caught in the card slot 37 of 31 lower part of lock tongue
Locking plate 1 would not be touched, the door latch structure under door opening state as shown in Figure 2 is reached.
When locking, door is back pulled, and elastic push rod 6 will not first be jacked up, because it is to enter locking plate 1 by 12
, when the cavity 11 in 31 face locking plate 1 of lock tongue, spring spindle just just touches the protrusion of 12 bottom ends, so that spring
Mandril simultaneously pushes, and then inwardly pushes the bottom of hook bar 5, and the top fixture block 52 of bar 5 is linked up in 51 rotation around the shaft of hook bar 5
It is then detached from from card slot 37, realizes tripping, and then lock tongue 31 pops up under the action of reset spring 35 again, realizes the locking of door lock
It closes, as shown in Figure 3.There is the normal locking in conjunction with lock core 7 again, is also provided with shifting block 71 in the present embodiment, limit can be cooperated
Block 8 realizes the fixation for linking up with bar 5, realizes the secondary locking of door lock, improves its locking safety.
Embodiment two:
Fig. 4 is the unlocking process schematic of the mute lock of the present embodiment；Fig. 5 is the mute lock of the present embodiment under unlocking condition
Structural schematic diagram；Fig. 6 is structural schematic diagram of the mute lock of the present embodiment under unlocking and the locked not pop-up state of lock tongue；Figure
7 be the structural schematic diagram of the mute lock of the present embodiment in the lockout condition.
Multi-functional quite described in the main structure and embodiment one of the lock of multi-functional quite described in the present embodiment
Lock it is essentially identical, the difference is that, the present embodiment be additionally provided in lock body for lock hook bar 5 locking mechanism 7.
In the present embodiment, the locking mechanism 7 includes shifting block 71 and shifting block driving mechanism 72, the shifting block driving mechanism 72
It is acted by external drive, can be mechanical unlocking, such as drive through key unlocking, can also be that smart lock is referred to by electronics
Enable verifying drive actions.During shifting block driving mechanism 72 acts, the shifting block 71 is with the shifting block driving mechanism 72
It acts and rotates, when the shifting block 71 offsets with the hook bar 5 to realize the locking to the hook bar 5.
If under blocking, the shifting block 71 withstands on the side of the hook bar 5 in conjunction with the effect of upper limit position block 8,
And the other side of the hook bar 5 is arranged in relative to shifting block 71 for the limited block 8, this makes it possible to pass through in the lockout condition
The limited block 8 secures the above hook bar 5 with 71 stable holding of shifting block, plays better locking effect.
It is additionally provided with the locking mechanism 7 by key rotating open-close in the lock body, the locking mechanism in lock box 2 is set
There is shifting block 71, the shifting block 71 is rotated with it when locking mechanism 7 rotates, and under blocking, the shifting block 71 withstands on institute on 7
The side of hook bar 5 is stated, and the other side of the hook bar 5 is arranged in relative to shifting block 71 for the limited block 8, under blocking
The limited block 8 and the shifting block 71 are clamped the hook bar 5.
For the door with door closer, we can also be turned after unlocking and the retraction of lock tongue 31 are locked by key
Locking mechanism 7, so that hook bar 5 is locked, as shown in figure 3, in this case, even if door is pulled back under the action of door closer
After reset, lock tongue 31 will not be popped up, and can be placed lock tongue 31 in this way and pulled back repeatedly and pop up brought noise, and it is total to reduce lock tongue
At 3 activity, the service life of door lock is improved.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art
Scholar cans understand the content of the present invention and implement it accordingly, and it is not intended to limit the scope of the present invention, it is all according to the present invention
Equivalent change or modification made by Spirit Essence, should be covered by the protection scope of the present invention.
Claims (10)
1. a kind of multi-functional quite lock, including lock body and locking plate, the lock body include lock box, lock tongue assembly, slide block and hold
Hand, handle are connected with the slide block and the slide block can be driven to rotate, and the slide block and the lock tongue assembly link,
For driving the lock tongue assembly flexible, the locking plate has the cavity limited to lock tongue, which is characterized in that the lock
Hook bar is additionally provided in body, the hook bar is rotatably mounted in the lock box, in lock body side towards the position of locking plate
It installs and is equipped with elastic push rod, the end of the elastic push rod is in contact with the lower end of the hook bar, the top of the hook bar
With fixture block, card slot corresponding with the fixture block is offered at the lock tongue in the lock tongue assembly, described is multi-functional quiet
Sound lock, which has, unlocks and is latched two states, and under the unlocking condition, the lock tongue front end is located in lock box, the fixture block
In the card slot；Under the blocking, the lock tongue front end is prominent outside the lock box, the fixture block
It being separated with the card slot, the elastic push rod is used to switch the state between the fixture block and the card slot, so that
The multi-functional quite lock switches between unlocking and blocking.
2. multi-functional quite lock according to claim 1, which is characterized in that be provided with restriction hook bar in the lock box
The limited block of turned position.
3. multi-functional quite lock according to claim 2, which is characterized in that the limited block is set close to the elastic push rod
It sets, for limiting the turned position of the hook bar under blocking.
4. multi-functional quite lock according to claim 1, which is characterized in that the fixture block surface has guiding surface, uses
Retraction or pop-up in guiding lock tongue.
5. multi-functional quite lock according to claim 1, which is characterized in that the elastic push rod includes contact bar, contact
Spring and sleeve, the sleeve are horizontally fixed in the lock box, and the contact spring is placed in the sleeve, the contact
Rod set is located at the outside of the sleeve, and one end of the contact spring is connected with the inner opposite end of the contact bar, the contact
The other end of spring resists the lower part of the hook bar.
6. multi-functional quite according to claim 5 lock, which is characterized in that the contact spring in a free state, institute
It states contact bar and stretches out the distance of the lock box and be adjusted according to the crack between a door and its frame distance of the multi-functional quite lock installation.
7. multi-functional quite lock according to claim 6, which is characterized in that further include being set in institute in the elastic push rod
The lining in sleeve stated, the lining inside have screw thread, and the contact bar is threadedly engaged with the lining, is connect by described
Precession of the feeler lever in the inner cylinder or back-out adjust the length that the contact bar stretches out lock box.
8. multi-functional quite lock according to any one of claim 1 to 7, which is characterized in that also set up in the lock body
There is the locking mechanism for locking hook bar.
9. multi-functional quite lock according to claim 8, which is characterized in that the locking mechanism includes that shifting block and shifting block drive
Motivation structure, the shifting block driving mechanism are acted by external drive, and the shifting block is rotated with the movement of the shifting block driving mechanism,
When the shifting block and the hook bar offset to realize the locking to the hook bar.
10. multi-functional quite lock according to claim 1, which is characterized in that be provided with described in reset at the hook bar
Link up with the torsional spring of bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810956522.7A CN108930450B (en) | 2018-08-21 | 2018-08-21 | Multifunctional mute lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810956522.7A CN108930450B (en) | 2018-08-21 | 2018-08-21 | Multifunctional mute lock |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108930450A true CN108930450A (en) | 2018-12-04 |
| CN108930450B CN108930450B (en) | 2023-12-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810956522.7A Active CN108930450B (en) | 2018-08-21 | 2018-08-21 | Multifunctional mute lock |
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| CN (1) | CN108930450B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110939325A (en) * | 2019-12-06 | 2020-03-31 | 柳州职业技术学院 | Mechanical silent lock for door |
| CN113152995A (en) * | 2021-04-27 | 2021-07-23 | 深圳市龙电兴业科技有限公司 | Lock for air film building passage door |
| CN116220480A (en) * | 2023-03-15 | 2023-06-06 | 厦门承宏五金有限公司 | Lock body structure |
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| US20090282877A1 (en) * | 2008-05-13 | 2009-11-19 | Laverty Edward T | Mortise Lock |
| CN101736951A (en) * | 2010-01-28 | 2010-06-16 | 刘辉舟 | Silent door lock |
| CN204715918U (en) * | 2015-05-06 | 2015-10-21 | 李建航 | A kind of magnetic force mute lock body of energy quick release |
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| CN209353879U (en) * | 2018-08-21 | 2019-09-06 | 江苏群雄智能科技有限公司 | A kind of multi-functional quite lock |
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| CN110939325A (en) * | 2019-12-06 | 2020-03-31 | 柳州职业技术学院 | Mechanical silent lock for door |
| CN110939325B (en) * | 2019-12-06 | 2024-05-17 | 柳州职业技术学院 | Door mechanical mute lock |
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| CN113152995B (en) * | 2021-04-27 | 2023-08-11 | 深圳市龙电兴业科技有限公司 | Lockset for air film building access door |
| CN116220480A (en) * | 2023-03-15 | 2023-06-06 | 厦门承宏五金有限公司 | Lock body structure |
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