CN109989634A - A kind of lock tongue and buckle structure that tamper prevention lock tongue opens the door - Google Patents
A kind of lock tongue and buckle structure that tamper prevention lock tongue opens the door Download PDFInfo
- Publication number
- CN109989634A CN109989634A CN201910310039.6A CN201910310039A CN109989634A CN 109989634 A CN109989634 A CN 109989634A CN 201910310039 A CN201910310039 A CN 201910310039A CN 109989634 A CN109989634 A CN 109989634A
- Authority
- CN
- China
- Prior art keywords
- lock
- lock tongue
- main body
- tongue
- hole
- 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.)
- Granted
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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
- E05B15/02—Striking-plates; Keepers; Bolt staples; Escutcheons
- E05B15/0205—Striking-plates, keepers, staples
-
- 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
- E05B15/101—Spring-retracted bolts
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B17/00—Accessories in connection with locks
- E05B17/20—Means independent of the locking mechanism for preventing unauthorised opening, e.g. for securing the bolt in the fastening position
- E05B17/2084—Means to prevent forced opening by attack, tampering or jimmying
- E05B17/2088—Means to prevent disengagement of lock and keeper
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B65/00—Locks or fastenings for special use
- E05B65/06—Locks or fastenings for special use for swing doors or windows, i.e. opening inwards and outwards
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B9/00—Lock casings or latch-mechanism casings ; Fastening locks or fasteners or parts thereof to the wing
- E05B9/002—Faceplates or front plates
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lock And Its Accessories (AREA)
- Automotive Seat Belt Assembly (AREA)
Abstract
A kind of lock tongue and buckle structure that tamper prevention lock tongue opens the door, including lock main body 10, lock core 11, rosette 12, knob 13, location hole 14, lock tongue 20, inclined-plane 21, helical teeth 22, surface groove 23, lock 30, inner cavity 31, through-hole 32, plush copper 33, locating piece 34, circular hole 35；It is characterized in that, the lock main body 10 is provided with lock core 11 on one side, rosette 12 is cased on lock core 11, the another side of lock main body 10 is provided with knob 13；Location hole 14 passes through lock main body 10；The side of lock main body 10 is provided with lock tongue sliding eye 15；Helical teeth 22 is provided on the inclined-plane 21 of the lock tongue 20, the centre on inclined-plane 21 offers surface groove 23；The spring locked in main body 10 releases the front end of lock tongue 20, is exposed to the inclined-plane being arranged on lock tongue 20 21, helical teeth 22 and surface groove 23 outer；The lock 30 is provided with inner cavity 31, through-hole 32, plush copper 33 and locating piece 34, is provided with circular hole 35 among locating piece 34；After built-in lock reequips lock tongue and lock using the present invention, safety coefficient can be greatly increased.
Description
Technical field
The present invention relates to locksets, and in particular to a kind of lock tongue and buckle structure that tamper prevention lock tongue opens the door.
Background technique
The relatively beautiful safety of built-in lock is installed, in order to increase security performance, the security level of present built-in lock is continuously improved, and
And there is the built-in lock of Fingerprint Lock and recognition of face.But no matter lockset security level it is how high, for convenience close the door, lock
Tongue one side opposite with door opening direction, is all arranged to inclined-plane.Illegal unlock person tends to identity card, bank's card etc.
Elastic sheet is inserted into from the door lock gap of closing, applies pressure back and forth to the inclined-plane of lock tongue, using lock to elastic sheet
Support, which reaches, applies the pressure to bounce back inwardly to lock tongue, and lock tongue is oppressed and is retracted, and the constraint until being detached from lock reaches enabling
Purpose.This method can all come into force to many built-in locks, especially the biparting wooden vertical hinged door of public domain, according to traditional dark
The lock bolt structure of lock, blocking the movable position of lock tongue outwardly in two fan doors and do not install sheet metal prevents film from unlocking, and this kind of door is
Opening can be inserted by film.
The lock tongue of built-in lock is easy the problem of being pushed aside by elastic sheet and always exists, it was envisaged that on the inclined-plane of lock tongue plus cross
To groove, to stop the longitudinal sliding motion between card and lock tongue, come prevent card and lock formed resultant force, so that lock tongue is moved backward
Contracting.But the coefficient of friction that this design will affect between the fluency that built-in lock is closed, or even lateral groove meeting and doorway adds
Greatly, it will cause the door leaf equipped with this lock tongue and close difficulty, be difficult to promote using the built-in lock of this design method manufacture lock tongue.
Summary of the invention
The lock tongue and lock to open the door in view of the deficiencies of the prior art, the present invention provides a kind of tamper prevention lock tongue is tied
Structure.
The technical solution adopted by the invention is as follows: lock tongue and buckle structure that a kind of tamper prevention lock tongue opens the door, including lock master
Body, lock core, rosette, knob, location hole, lock tongue, inclined-plane, helical teeth, surface groove, lock, inner cavity, through-hole, plush copper, locating piece,
Circular hole；It is characterized in that, the lock main body is provided with lock core on one side, it is cased with rosette on lock core, the another side for locking main body is set
It is equipped with knob；Location hole passes through lock main body；The side of lock main body is provided with lock tongue sliding eye；It is provided on the inclined-plane of the lock tongue
The centre of helical teeth, inclined-plane offers surface groove；The main intracorporal spring of lock releases the front end of lock tongue, makes to be arranged on lock tongue oblique
Face, helical teeth and surface groove are exposed to outer；The lock is provided with inner cavity, through-hole, plush copper and locating piece, setting among locating piece
There is circular hole.After lock main body and the correct installation of lock, after the lock tongue in lock main body is aligned with lock, lock tongue can be intracorporal by lock master
Spring is pushed into through-hole.
The sagging depth dimensions of the surface groove are less than plush copper height dimension outstanding.
The width dimensions of the surface groove are greater than plush copper width dimensions outstanding.
It is mobile towards lock direction and when being in contact with inclined-plane when locking the lock tongue in main body, in addition to surface groove energy on the lock tongue
Other than enough contacting with plush copper, the inclined-plane on lock tongue will not all be in contact with helical teeth with any position on lock.
After the lock tongue is pushed into through-hole by the spring in lockset, in any direction lock tongue is applied using Elastic Steel thin slice
Pressure, all can not reverse backward lock tongue, and lock tongue is made to be detached from the constraint of through-hole；Spring inside lockset imposes outside push away to lock tongue
Power is no more than gram, and when lock tongue is by the thrust with the spring opposite direction inside lockset, and the thrust is greater than spring and applies to lock tongue
When with outside thrust, lock tongue can retract in lockset.
Using technical solution of the present invention, have the following beneficial effects:
1. the groove of the setting on lock tongue of the present invention can prevent elastic sheet from applying the power to retract backward to lock tongue from any angle
Amount, using the technology, can be such that the safety of conventional lock greatly improves；
2. processing technology of the present invention is simple, handling ease, convenient for promoting；
3. the present invention is suitble to be replaced installation on low side built-in lock, not will increase production cost substantially, using the present invention into
The built-in lock of row optimization, safety coefficient can greatly increase.
Detailed description of the invention
Fig. 1 is perspective view of the invention (the lockset state isolated with lock)；
Fig. 2 is perspective view of the invention (the lockset state isolated with lock)；
Fig. 3 is perspective view of the invention (lock tongue on lockset will enter the state when through-hole on lock)；
Fig. 4 is perspective view of the invention (lock tongue on lockset comes into the state after the through-hole on lock)；
In figure: 10-lock main bodys, 11-lock cores, 12-rosettes, 13-knobs, 14-location holes, 15-lock tongue sliding eyes,
20-lock tongues, 21-inclined-planes, 22-helical teeth, 23-surface grooves, 30-locks, 31-inner cavities, 32-through-holes, 33-plush coppers,
34-locating pieces, 35-circular holes.
Specific embodiment
In the following, the invention will be further described in conjunction with the accompanying drawings and embodiments: as shown in Figures 1 to 4, a kind of tamper prevention lock
Tongue open the door lock tongue and buckle structure, including lock main body 10, lock core 11, rosette 12, knob 13, location hole 14, lock tongue 20, tiltedly
Face 21, helical teeth 22, surface groove 23, lock 30, inner cavity 31, through-hole 32, plush copper 33, locating piece 34, circular hole 35；It is characterized in that,
The lock main body 10 is provided with lock core 11 on one side, and rosette 12 is cased on lock core 11, and the another side of lock main body 10 is provided with rotation
Button 13；Location hole 14 passes through lock main body 10；The side of lock main body 10 is provided with lock tongue sliding eye 15；The inclined-plane 21 of the lock tongue 20
On be provided with helical teeth 22, the centre on inclined-plane 21 offers surface groove 23；The spring locked in main body 10 releases the front end of lock tongue 20,
It is exposed to the inclined-plane being arranged on lock tongue 20 21, helical teeth 22 and surface groove 23 outer；The lock 30 is provided with inner cavity 31, through-hole
32, plush copper 33 and locating piece 34 are provided with circular hole 35 among locating piece 34.After locking main body 10 and the correct installation of lock 30, work as lock
After lock tongue 20 in main body 10 is aligned with lock 30, lock tongue 20 can be by the spring push-in through-hole 32 in lock main body 10.
The sagging depth dimensions of the surface groove 23 are less than the height dimension outstanding of plush copper 33.
The width dimensions of the surface groove 23 are greater than the width dimensions outstanding of plush copper 33.
When locking the lock tongue 20 in main body 10 with inclined-plane 21 towards when latching the movement of 30 directions and being in contact, removed on the lock tongue 20
Other than surface groove 23 can be contacted with plush copper 33, inclined-plane 21 and helical teeth 22 on lock tongue 20 all will not with it is any on lock 30
Position is in contact.
After the lock tongue 20 is pushed into through-hole 32 by the spring in lockset, in any direction using Elastic Steel thin slice to lock
Tongue 20 presses, and all can not reverse backward lock tongue 20, and lock tongue 20 is made to be detached from the constraint of through-hole 32；Spring inside lockset is to lock tongue
20 impose outside thrust no more than 150 grams, and when lock tongue 20 is by the thrust with the spring opposite direction inside lockset, and this is pushed away
When power imposes outside thrust to lock tongue 20 greater than spring, lock tongue 40 can retract in lockset.
The groove of setting on lock tongue of the present invention can prevent elastic sheet from retracting backward from any angle to lock tongue application
Strength can be such that the safety of conventional lock greatly improves using the technology；Processing technology of the present invention is simple, handling ease, just
In popularization；The present invention is suitble to be replaced installation on low side built-in lock, not will increase production cost substantially, using the present invention into
The built-in lock of row optimization, safety coefficient can greatly increase.
The above embodiment of the present invention is exemplary embodiment cited to illustrate the invention, rather than to of the invention
It is limited made by embodiment.The apparent variation pattern amplified out by the prompt of the embodiment of the present invention is still in of the invention
In rights protection scope.
Claims (7)
1. lock tongue and buckle structure that a kind of tamper prevention lock tongue opens the door, including lock main body (10), lock core (11), rosette (12),
Knob (13), location hole (14), lock tongue (20), inclined-plane (21), helical teeth (22), surface groove (23), lock (30), inner cavity (31),
Through-hole (32), plush copper (33), locating piece (34), circular hole (35)；It is characterized in that, lock main body (10) is provided with lock on one side
Core (11) is cased with rosette (12) on lock core (11), and the another side of lock main body (10) is provided with knob (13)；Location hole (14) is worn
Cross lock main body (10)；The side of lock main body (10) is provided with lock tongue sliding eye (15)；It is set on the inclined-plane (21) of the lock tongue (20)
It is equipped with helical teeth (22), the centre of inclined-plane (21) offers surface groove (23)；The spring locked in main body (10) will be before lock tongue (20)
End is released, and is exposed to the inclined-plane (21) being arranged on lock tongue (20), helical teeth (22) and surface groove (23) outer；The lock (30)
It is provided with inner cavity (31), through-hole (32), plush copper (33) and locating piece (34), is provided with circular hole (35) among locating piece (34).
2. after locking main body (10) and the correct installation of lock (30), when the lock tongue (20) on lock main body (10) is aligned with lock (30)
Afterwards, lock tongue (20) can be by spring push-in through-hole (32) in lock main body (10).
3. lock tongue and buckle structure that a kind of tamper prevention lock tongue according to claim 1 opens the door, which is characterized in that described oblique
The sagging depth dimensions of face slot (23) are less than plush copper (33) height dimension outstanding.
4. lock tongue and buckle structure that a kind of tamper prevention lock tongue according to claim 2 opens the door, which is characterized in that described oblique
The width dimensions of face slot (23) are greater than plush copper (33) width dimensions outstanding.
5. lock tongue and buckle structure that a kind of tamper prevention lock tongue according to claim 1 opens the door, which is characterized in that when lock is led
Lock tongue (20) on body (10) is mobile towards lock (30) direction and when being in contact with inclined-plane (21), in addition to oblique on the lock tongue (20)
Other than face slot (23) can be contacted with plush copper (33), inclined-plane (21) and helical teeth (22) on lock tongue (20) all will not be with lock (30)
On any position be in contact.
6. lock tongue and buckle structure that a kind of tamper prevention lock tongue according to claim 1 opens the door, which is characterized in that the lock
After tongue (20) is pushed into through-hole (32) by the spring in lockset, in any direction lock tongue (20) is applied using Elastic Steel thin slice
Pressure, all can not reverse backward lock tongue (20), and lock tongue (20) is made to be detached from the constraint of through-hole (32).
7. lock tongue and buckle structure that a kind of tamper prevention lock tongue according to claim 1 opens the door, which is characterized in that in lockset
The spring in portion imposes outside thrust no more than 150 grams to lock tongue (20), when lock tongue (20) by with the spring phase inside lockset
The thrust of opposite direction, and the thrust is greater than spring when imposing outside thrust to lock tongue (20), lock tongue (40) can be toward in lockset times
It moves back.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910310039.6A CN109989634B (en) | 2019-04-17 | 2019-04-17 | Lock tongue and lock catch structure for preventing toggle lock tongue from opening door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910310039.6A CN109989634B (en) | 2019-04-17 | 2019-04-17 | Lock tongue and lock catch structure for preventing toggle lock tongue from opening door |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109989634A true CN109989634A (en) | 2019-07-09 |
| CN109989634B CN109989634B (en) | 2023-10-13 |
Family
ID=67133979
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910310039.6A Active CN109989634B (en) | 2019-04-17 | 2019-04-17 | Lock tongue and lock catch structure for preventing toggle lock tongue from opening door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109989634B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2290657Y (en) * | 1997-03-28 | 1998-09-09 | 倪景明 | Anti-insertion striking plate assembly |
| CN2371280Y (en) * | 1999-04-09 | 2000-03-29 | 张锦文 | Safety anti-theft lock capable of automatically locking indoor |
| CN2380637Y (en) * | 1999-03-16 | 2000-05-31 | 武传涌 | Slot type safety door lock preventing from inserting piece |
| CN200943345Y (en) * | 2006-08-07 | 2007-09-05 | 张航 | Anti-latch concealed lock |
| CN201310231Y (en) * | 2008-07-17 | 2009-09-16 | 王廷智 | Dead bolt lock preventing from being unlocked by thin slice |
-
2019
- 2019-04-17 CN CN201910310039.6A patent/CN109989634B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2290657Y (en) * | 1997-03-28 | 1998-09-09 | 倪景明 | Anti-insertion striking plate assembly |
| CN2380637Y (en) * | 1999-03-16 | 2000-05-31 | 武传涌 | Slot type safety door lock preventing from inserting piece |
| CN2371280Y (en) * | 1999-04-09 | 2000-03-29 | 张锦文 | Safety anti-theft lock capable of automatically locking indoor |
| CN200943345Y (en) * | 2006-08-07 | 2007-09-05 | 张航 | Anti-latch concealed lock |
| CN201310231Y (en) * | 2008-07-17 | 2009-09-16 | 王廷智 | Dead bolt lock preventing from being unlocked by thin slice |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109989634B (en) | 2023-10-13 |
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