CN209704198U - A kind of door latch structure - Google Patents
A kind of door latch structure Download PDFInfo
- Publication number
- CN209704198U CN209704198U CN201920106089.8U CN201920106089U CN209704198U CN 209704198 U CN209704198 U CN 209704198U CN 201920106089 U CN201920106089 U CN 201920106089U CN 209704198 U CN209704198 U CN 209704198U
- Authority
- CN
- China
- Prior art keywords
- lock
- plectrum
- rotating member
- door latch
- latch structure
- 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.)
- Active
Links
- 238000006073 displacement reaction Methods 0.000 claims abstract description 4
- 230000037431 insertion Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 claims 1
- 238000000034 method Methods 0.000 description 5
- 239000007787 solid Substances 0.000 description 3
- 238000003756 stirring Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Landscapes
- Lock And Its Accessories (AREA)
Abstract
The utility model discloses a kind of door latch structure, including lock box and the lock tongue being arranged on lock box, lock core rotating member and plectrum, the lock core rotating member is rotatably mounted on lock box, one end of the plectrum is flexibly connected with lock tongue, the other end offsets or close with lock core rotating member, lock core rotating member drives lock tongue displacement by plectrum, it is characterized in that, it further include locking component, the component of locking is rotatably mounted on lock box, described lock is additionally provided with plectrum pushing part on component, the plectrum pushing part offsets or close with plectrum.Such door latch structure locks component and drives plectrum far from lock core rotating member by plectrum pushing part, and to disconnect the cooperation between lock core rotating member and plectrum, the idle running of lock core rotating member, user is not easy to twist bad handle or key, also extends the service life of lock core.
Description
Technical field
The utility model relates to door lock technical field, specifically a kind of door latch structure.
Background technique
Existing door lock includes lock core rotating member, lock tongue and anti-lock device, and lock core, user are provided on lock core rotating member
Controlling lock core rotating member by key or handle drives lock tongue flexible, and the anti-lock device of door lock is to hinder lock core rotating member to turn
Dynamic, i.e., key or handle are unable to drive the rotation of lock core rotating member, and still, there are shortcomings for structure: anti-lock device will be locked
After the locking of core rotating member, user exerts oneself to rotate with movable lock core rotating member by key or handle, because of overexertion, is easy key
Spoon fractures or twists handle bad.
Utility model content
The purpose of this utility model is to provide the door latch structures that a kind of door lock locks rear lock core rotating member idle running.
Purpose of the utility model is realized as follows:
A kind of door latch structure, including lock box and the lock tongue being arranged on lock box, lock core rotating member and plectrum, the lock
Core rotating member is rotatably mounted on lock box, and one end of the plectrum is flexibly connected with lock tongue, and the other end and lock core turn
Moving part offsets or close, and lock core rotating member passes through plectrum and drives lock tongue displacement, characterized in that and it further include locking component, it is described
It locks component to be rotatably mounted on lock box, described lock is additionally provided with plectrum pushing part on component, the plectrum pushes away
Dynamic portion offsets or close with plectrum.Such door latch structure locks component and drives plectrum to rotate far from lock core by plectrum pushing part
Part, to disconnect the cooperation between lock core rotating member and plectrum, the idle running of lock core rotating member, user is not easy to twist bad handle or key,
Extend the service life of lock core.
The purpose of this utility model can also be solved using following technical measures:
As a kind of more specific scheme, the component of locking includes locking rotating member and locking moving part, described to lock
Rotating member is rotatably mounted on lock box, lock moving part one end connection lock rotating member, be provided on the other end with
Plectrum offsets or similar plectrum pushing part, locks moving part rotation and drives that lock moving part mobile, lock moving part it is mobile into
And drive plectrum mobile, cooperate between lock core rotating member and plectrum to achieve the purpose that disconnect.
As a kind of more specific scheme, the plectrum pushing part locked on moving part is pivot, and plectrum is with pivot
Balance pivot is arranged on locking moving part with manner, and lock core rotating member stirs plectrum one end, plectrum other end around the pivot
Rotation, i.e. the plectrum other end drive lock tongue flexible.
As a kind of more specific scheme, one end that the plectrum is connect with lock tongue is equipped with loose slot, and the inner end of lock tongue is prolonged
It reaches on loose slot, when plectrum is mobile, i.e., loose slot is mobile referring now to the inner end of lock tongue, and the inner end positions of lock tongue remain unchanged.
As a kind of more specific scheme, the lock tongue inner end in the lock box is equipped with guide rod, and lock box inner sidewall is equipped with solid
Fixed board, guide rod pass through fixed plate, and guide rod upper sleeve through has spring, and both ends of the spring offsets with lock tongue and fixed plate respectively, guide rod inner end
Equipped with screw, the screw rod of screw passes through loose slot and is fixedly connected with guide rod end.Lock core rotating member makes plectrum have the one of loose slot
End inwardly rotation, plectrum inwardly draw guide rod, guide rod and bolt retraction into lock box and compressed spring, that is, realize and unlock by screw；
Lock core rotating member resets, and spring automatically ejects guide rod and lock tongue, and plectrum is resetted with guide rod is mobile, and lock tongue stretches out lock box, moreover,
Fixed plate limits plectrum displacement range.
As a kind of more specific scheme, equipped with interference position, interference position passes through anti-the moving part other end of locking
Rotating member is locked, the interference position for locking moving part is equipped with idle running block, locks on moving part close to interference position equipped with multiple
Position block, it is described to lock rotating member equipped with idle running protrusion and reset protrusion and lock rotating member positioned at idle running block and reset
Between block, locks rotating member and realized by the position of switching idle running block and reset baffle block and push that lock moving part mobile, into
And the position of plectrum is controlled, realize the function that door lock is locked.
As a kind of more specific scheme, the idle running block is equipped with the first inner concave, and the reset baffle block is equipped with the
Two inner concaves, corresponding first inner concave of idle running protrusion are provided with the first matched arcuate surface, and the reset protrusion is right
It answers the second inner concave to be provided with the second matched arcuate surface, passes through the first inner concave and the first arcuate surface, the second inner concave
With the cooperation of the second arcuate surface, locking moving part can remained idle or normal condition is motionless.
As a kind of more specific scheme, the lock box inner sidewall is equipped with the first fixed column, and reset is raised and first is solid
Fixed column is connected by torsional spring, and the elastic force of torsional spring makes reset protrusion offset with reset baffle block, the cooperation of idle running protrusion and the block that dallies
It is detached from, torsional spring can drive reset protrusion to cooperate with reset baffle block automatically, it is ensured that plectrum resets, i.e. guarantee door lock can normally make
With.
As a kind of more specific scheme, the lock box inner sidewall is equipped with guide groove, the pivot for locking moving part
It is inserted into guide groove, pivot moves in guide groove, and guide groove limits the moving direction and stroke for locking moving part.
As a kind of more specific scheme, the second fixed column, the lock core rotating member are additionally provided on the lock box inner sidewall
It is equipped with unlocking convex block and resets convex block, reset convex block and the second fixed column and connected by tension spring, unlocking convex block is close with plectrum
Or offset, tension spring rotates lock core rotating member against unlocking direction, i.e. the trend that is kept away from of unlocking convex block, and user, which unlocks, to be needed
Overcome tension spring that could rotate lock core rotating member, it is ensured that under lock core rotating member unstressed state, lock core rotating member begins
Plectrum unlocking can not be stirred eventually.
The beneficial effects of the utility model are as follows:
(1) such door latch structure locks component and drives plectrum far from lock core rotating member by plectrum pushing part, to disconnect lock
Cooperation between core rotating member and plectrum, the idle running of lock core rotating member, user are not easy to twist bad handle or key, also extend lock core
Service life.
(2) locking component includes locking rotating member and locking moving part, and plectrum is fixed in a manner of lever pivot
Moving part is locked, lock core rotating member stirs plectrum one end, and the plectrum other end pivots, and the plectrum other end drives lock tongue to stretch
Contracting locks moving part rotation drive and locks moving part movement, locks moving part movement and then drive plectrum movement, to reach disconnected
The purpose cooperated between unlocking core rotating member and plectrum realizes back locking function.
(3) further more, one end that plectrum is connect with lock tongue is equipped with loose slot, the inner end of lock tongue is extended on loose slot, plectrum
When mobile, i.e., loose slot is mobile referring now to the inner end of lock tongue, and the inner end positions of lock tongue remain unchanged, solid convenient for the installation of lock tongue
It is fixed.
(4) moving part shifting is locked in addition, locking rotating member and realizing to push by the position of switching idle running block and reset baffle block
It is dynamic, and then control the position of plectrum, realize the function that door lock is locked, meanwhile, idle running block and idle running protrusion, reset baffle block and multiple
The raised male-female engagement in position, locking moving part can remain idle or normal condition is motionless.
Detailed description of the invention
Fig. 1 is the perspective view of the utility model door latch structure.
Fig. 2 is the perspective view (another visual angle) of the utility model door latch structure.
Fig. 3 is the internal structure chart of the utility model door latch structure.
Fig. 4 is the decomposition texture schematic diagram of the utility model door latch structure.
Specific embodiment
The utility model is further described with reference to the accompanying drawings and embodiments:
Embodiment one, referring to shown in Fig. 1-4, a kind of door latch structure, including lock box 1 and the lock core being arranged on lock box 1
Rotating member 2, plectrum 3, lock tongue 4 and component 5 is locked, wherein lock box 1 includes lid 11 and box body 12, and lid 11 and box body 12 pass through
The one side wall of screw connection, box body 12 extends box body 12 to upper and lower ends, constitutes bolt plate 14, and bolt plate is provided on 14 middle part
The dead bolt hole 15 to stretch for lock tongue 4.
The lock core rotating member 2 is rotatably mounted to 1 top of lock box, and the lock core rotating member 2, which is equipped with, unlocks
Convex block 21 and convex block 22 is resetted, the second fixed column 16 is additionally provided on 12 inner sidewall of box body, resets convex block 22 and the second fixed column 16
It is connected by tension spring 20.
The component 5 of locking includes locking rotating member 51 and locking moving part 6, and the rotating member 51 of locking is with rotatable side
Formula is mounted on 1 lower part of lock box, and the upper end for locking moving part 6 is provided with plectrum pushing part 60, and plectrum pushing part 60 is preferably pivot
Axis, locks 6 lower end of moving part equipped with interference position 61, and interference position 61 is around locking rotating member 51, the moving part 6 of locking
Interference position 61 is equipped with idle running block 62, locks and is equipped with reset baffle block 63 close to interference position 61 on moving part 6, described lock turns
Moving part 51 be equipped with idle running protrusion 52 and reset protrusion 53 and lock rotating member 51 be located at idle running block 62 and reset baffle block 63 it
Between, 1 inner sidewall of lock box is equipped with the first fixed column 17, resets protrusion 53 and is connect with the first fixed column 17 by torsional spring 50.
The idle running block 62 is equipped with the first inner concave 620, and the reset baffle block 63 is equipped with the second inner concave 630, institute
It states corresponding first inner concave 620 of idle running protrusion 52 and is provided with the first matched arcuate surface 520, the reset protrusion 53 is corresponding
Second inner concave 630 is provided with the second matched arcuate surface 530.
The plectrum 3 is set on pivot at top, and the right side on 3 top of plectrum offsets with unlocking convex block 21, is dialled
The lower end of piece 3 is equipped with loose slot 30.
The lock tongue 4 is placed in dead bolt hole 15, and 4 inner end of lock tongue is equipped with guide rod 41, and 1 inner sidewall of lock box is equipped with fixed plate
18, guide rod 41 passes through fixed plate 18, and 41 upper sleeve through of guide rod has a spring 40,40 both ends of spring respectively with 18 phase of lock tongue 4 and fixed plate
It supports, 41 inner end of guide rod is equipped with screw 42, and the screw rod of screw 42 passes through loose slot 30 and is fixedly connected with 41 end of guide rod.
In the present embodiment, 21 left side of unlocking convex block offsets with plectrum 3, and 21 right side of unlocking convex block offsets with 1 inner wall of lock box, institute
It states and is equipped with guide groove 19 on 1 two sides side wall of lock box, pivot both ends extend to 1 side-walls of lock box, and are inserted into guide groove 19,
Pivot moves in guide groove 19.It locks moving part 6 and is additionally provided with guide post 64, correspond to guide post 64 on 1 side wall of lock box and also be provided with
The guide groove 19, guide post 64 are inserted into guide groove 19, and guide post 64 moves in guide groove 19.
Working principle: unlocking process, lock core pushing lock cylinder rotating member 2 rotate, due in 21 right side of unlocking convex block and lock box 1
Wall offsets, i.e., lock core rotating member 2 can not continue to rotate counterclockwise, and unlocking convex block 21 can only rotate clockwise, and unlocking convex block 21 pushes away
Dynamic 3 top of plectrum moves to left, and 3 lower part around the pivot of plectrum moves to right, and for 3 lower part of plectrum to Zola's screw 42, screw 42 drives guide rod 41 left
It moves, lock tongue 4 is retracted into dead bolt hole 15, and compressed spring 40.In the process, tension spring 20, which pulls, resets convex block 22, turns lock core
Moving part 2 rotates counterclockwise, so that the right side of unlocking convex block 21 offsets with 1 inner wall of lock box always, when unlocking needs to overcome tension spring 20
Elastic force, after lock core rotating member 2 does not stress, tension spring 20 can make lock core rotating member 2 reset, compressed 40 elastic force of spring is again
Lock tongue 4 is ejected into dead bolt hole 15, and 3 lower part of plectrum is returned to and is offseted with fixed plate 18, is i.e. 3 top of plectrum and unlocking convex block 21
It offsets.
Process is locked, rotating member 51 is locked and rotates counterclockwise, 52 rotation of idle running protrusion is offseted to idle running block 62, it is empty
Turning protrusion 52 pushes idle running block 62 to move down, until the first arcuate surface 520 of idle running protrusion 52 is caught in the first of idle running block 62
In inner concave 620, locks rotating member 51 and move down with idle running block 62 along moving down, lock rotating member 51 and plectrum is driven by pivot
3 move down, 42 activity of screw of the loose slot 30 of plectrum 3 relative to 4 top guide bar 41 of lock tongue, during this, guide post 64 and pivot
It is mobile in guide groove 19, lock the elastic force that rotating member 51 needs to overcome torsional spring 50.Idle running protrusion 52 and idle running block 62 mutually block
Firmly motionless, lock core rotating member 2 rotates clockwise, and unlocking convex block 21 can not touch 3 top of plectrum, and lock core rotating member 2 is in idle running
State.
It locks rotating member 51 to rotate clockwise, 53 rotation of protrusion will be resetted to offseting with reset baffle block 63, reset protrusion 53
Reset baffle block 63 is pushed to move up, until the second arcuate surface 530 for resetting protrusion 53 is caught in the second inner concave 630 of reset baffle block 63
It is interior, it locks rotating member 51 and moves up with reset baffle block 63 along moving up, lock rotating member 51 drives plectrum 3 to move up by pivot, locks
Core rotating member 2 rotates clockwise, and unlocking convex block 21 touches 3 top of plectrum, and lock core rotating member 2 can normally unlock.In this process
In, idle running raised 52 and idle running block 62 have disengaged from, and lock rotating member 51 without external force, 50 torsional spring 50 of torsional spring can drive multiple automatically
Position protrusion 53 and reset baffle block 63 offset.
Claims (10)
1. a kind of door latch structure including lock box (1) and the lock tongue (4) being arranged on lock box (1), lock core rotating member (2) and is dialled
Piece (3), the lock core rotating member (2) are rotatably mounted on lock box (1), one end and lock tongue (4) of the plectrum (3)
It is flexibly connected, the other end offsets or close with lock core rotating member (2), and lock core rotating member (2) passes through plectrum (3) drive lock tongue (4)
Displacement, characterized in that it further include locking component (5), the component (5) of locking is rotatably mounted on lock box (1),
Described lock is additionally provided with plectrum pushing part (60) on component (5), and the plectrum pushing part (60) offsets with plectrum (3) or phase
Closely.
2. door latch structure according to claim 1, characterized in that it is described lock component (5) include lock rotating member (51) and
It locks moving part (6), the rotating member (51) of locking is rotatably mounted on lock box (1), locks moving part (6) one end
Connection is locked rotating member (51), is provided on the other end and plectrum (3) offset or similar plectrum pushing part (60).
3. door latch structure according to claim 2, characterized in that the plectrum pushing part (60) locked on moving part (6)
For pivot, plectrum (3) is arranged on locking moving part (6) using pivot as balance pivot with manner.
4. -3 any door latch structure according to claim 1, characterized in that one end that the plectrum (3) connect with lock tongue (4)
Equipped with loose slot (30), the inner end of lock tongue (4) is extended on loose slot (30).
5. door latch structure according to claim 4, characterized in that lock tongue (4) inner end in the lock box (1) is equipped with guide rod
(41), lock box (1) inner sidewall is equipped with fixed plate (18), and guide rod (41) passes through fixed plate (18), and guide rod (41) upper sleeve through has bullet
Spring (40), spring (40) both ends offset with lock tongue (4) and fixed plate (18) respectively, and guide rod (41) inner end is equipped with screw (42), spiral shell
The screw rod of nail (42) passes through loose slot (30) and is fixedly connected with guide rod (41) end.
6. door latch structure according to claim 2, characterized in that moving part (6) other end of locking is equipped with interference position
(61), interference position (61) pass through and lock rotating member (51), and the interference position (61) for locking moving part (6) is equipped with idle running gear
Block (62) is locked and is equipped with reset baffle block (63) close to interference position (61) on moving part (6), and described lock sets on rotating member (51)
Have idle running raised (52) and reset raised (53) and lock rotating member (51) be located at idle running block (62) and reset baffle block (63) it
Between.
7. door latch structure according to claim 6, characterized in that the idle running block (62) is equipped with the first inner concave
(620), the reset baffle block (63) is equipped with the second inner concave (630), and the idle running raised (52) is corresponding first inner concave (620)
It is provided with matched the first arcuate surface (520), the reset raised (53) corresponding second inner concave (630) is provided with therewith
The second arcuate surface (530) of cooperation.
8. door latch structure according to claim 7, characterized in that lock box (1) inner sidewall is equipped with the first fixed column
(17), it resets raised (53) and is connect with the first fixed column (17) by torsional spring (50), the elastic force of torsional spring (50) makes to reset protrusion
(53) it offsets with reset baffle block (63).
9. door latch structure according to claim 1, characterized in that lock box (1) inner sidewall is equipped with guide groove (19), institute
It states in pivot insertion guide groove (19) for locking moving part (6), pivot moves in guide groove (19).
10. door latch structure according to claim 1, characterized in that be additionally provided with the second fixed column on lock box (1) inner sidewall
(16), the lock core rotating member (2) is equipped with unlocking convex block (21) and resets convex block (22), resets convex block (22) and second and fixes
Column (16) is connected by tension spring (20), and unlocking convex block (21) is close with plectrum (3) or offsets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920106089.8U CN209704198U (en) | 2019-01-22 | 2019-01-22 | A kind of door latch structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920106089.8U CN209704198U (en) | 2019-01-22 | 2019-01-22 | A kind of door latch structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209704198U true CN209704198U (en) | 2019-11-29 |
Family
ID=68640050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920106089.8U Active CN209704198U (en) | 2019-01-22 | 2019-01-22 | A kind of door latch structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209704198U (en) |
-
2019
- 2019-01-22 CN CN201920106089.8U patent/CN209704198U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2314812B1 (en) | Lock device for sliding door | |
| CN104533183B (en) | A kind of insertion-core lock | |
| CN110195531A (en) | 6052 lock body of totally enclosed type | |
| CN204282958U (en) | a handle lock | |
| CN212317685U (en) | Door lock and door body using same | |
| CN209704198U (en) | A kind of door latch structure | |
| CN203308181U (en) | Assisting handle and refrigerator | |
| CN109653595B (en) | Lock mechanism capable of reversing left and right | |
| CN209429749U (en) | Full-automatic lock body | |
| CN212837129U (en) | Escape fireproof lock | |
| CN216741041U (en) | Lock body convenient to open and having new structure | |
| CN117703173A (en) | Lock body structure and burglarproof door | |
| CN216305658U (en) | Anti-locking lock body | |
| CN206071280U (en) | Secondary lock with hook lock tongue | |
| CN103306549B (en) | Electronic lock body | |
| CN201050228Y (en) | Electrically controlled lock | |
| CN108590371A (en) | A kind of lock body of safe-guard door lock is from playing structure | |
| CN211736768U (en) | Case lock | |
| CN208202865U (en) | A kind of lock body of safe-guard door lock is from playing structure | |
| CN208534220U (en) | A kind of electronic lock of anti-theft door suitable for ultra-narrow installation space | |
| CN201372608Y (en) | Locking device of entry of key to lock | |
| CN207960208U (en) | A kind of lock core of antitheft door | |
| CN217783161U (en) | Main lock shift fork structure | |
| CN220504788U (en) | Panel lock convenient to change direction installation | |
| CN212376443U (en) | Escape structure of lock |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |