CN108487781B - Door lock mechanism capable of preventing peep hole from unlocking - Google Patents
Door lock mechanism capable of preventing peep hole from unlocking Download PDFInfo
- Publication number
- CN108487781B CN108487781B CN201810431146.XA CN201810431146A CN108487781B CN 108487781 B CN108487781 B CN 108487781B CN 201810431146 A CN201810431146 A CN 201810431146A CN 108487781 B CN108487781 B CN 108487781B
- Authority
- CN
- China
- Prior art keywords
- reset
- seat
- clutch
- lock plate
- rear lock
- 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
- 244000144985 peep Species 0.000 title abstract description 3
- 238000000926 separation method Methods 0.000 claims abstract description 10
- 241000282326 Felis catus Species 0.000 claims description 12
- 230000001360 synchronised effect Effects 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 125000004122 cyclic group Chemical group 0.000 claims 4
- 230000000149 penetrating effect Effects 0.000 description 3
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification 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
- 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
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B17/00—Accessories in connection with locks
- E05B17/22—Means for operating or controlling lock or fastening device accessories, i.e. other than the fastening members, e.g. switches, indicators
Landscapes
- Lock And Its Accessories (AREA)
Abstract
The invention discloses a door lock mechanism for preventing a peep hole from unlocking, which comprises: the door lock comprises a reset component and a clutch component matched with the reset component, wherein the reset component acts to drive a lock tongue of the door lock to extend or retract, the clutch component is operated to realize connection and separation with the reset component, and when the reset component is connected with the clutch component, the clutch component synchronously rotates to drive the lock tongue of the door lock to stretch so as to realize unlocking. Compared with the prior art, the door lock mechanism for preventing the door lock from being unlocked is characterized in that the door lock is designed into a matched structure of the reset component and the clutch component, the door lock can be driven to be unlocked if and only if the reset component and the clutch component are locked, otherwise, the rear handle of the door lock is in a free state, and therefore potential safety hazards that illegal persons unlock the door lock through the door lock are prevented.
Description
Technical Field
The invention relates to the technical field of door locks, in particular to a door lock mechanism capable of preventing a door lock from being unlocked from a cat eye.
Background
The existing door lock has the following hidden troubles: the lawless person can unlock the door lock from the inside of the door through the conventional cat eye, because the inside of the existing door lock does not have a self-locking mechanism. Therefore, there is a need to design a door lock mechanism that can be placed to unlock a door lock from a cat eye to solve this problem.
Disclosure of Invention
The invention aims to provide a door lock mechanism for preventing a peephole from unlocking, which solves the problem of potential safety hazard that the existing door lock can be unlocked from the peephole.
In order to achieve the above purpose, the technical scheme provided by the invention is as follows:
the invention relates to a door lock mechanism for preventing a cat eye from unlocking, which comprises: the clutch assembly is operated to realize the connection and separation with the reset assembly, and if and only if the reset assembly and the clutch assembly are connected, the clutch assembly synchronously rotates to drive the bolt of the door lock to stretch out and draw back so as to realize unlocking.
Wherein, reset assembly include: the rear clutch cover plate is connected with a rear lock plate clutch seat, a rear lock plate reset seat is further arranged between the rear clutch cover plate and the rear lock plate clutch seat, and the other end face of the rear lock plate reset seat is further connected with a rear lock plate limit seat; the rear lock plate reset seat is arranged on the rear clutch cover plate and the rear lock plate clutch seat in a penetrating mode and can rotate along the axis of the rear lock plate clutch seat.
And a reset spring is further arranged between the rear lock plate reset seat and the rear lock plate clutch seat, and two ends of the reset spring are respectively connected with the rear lock plate reset seat and the rear lock plate clutch seat, so that the rear lock plate reset seat and the rear lock plate clutch seat can be reset automatically after rotating relatively.
Wherein, back lock plate reset seat include: the outer wall of the columnar body transversely extends to form an annular table, a clutch hole is further formed in the axial direction of the columnar body, and a protruding limiting block is further arranged on the outer edge of the annular table.
Wherein, back lock plate clutch seat include: the clutch seat body, be equipped with the connecting hole that is used for wearing to establish back lock plate reset seat on the clutch seat body, still be equipped with one on the clutch seat body and follow the peripheral annular wall that has a breach of mounting hole, reset spring ring cover in the outside of annular wall, and reset spring's one end is connected in back lock plate reset seat, and the other end is connected in annular wall.
The notch end of the annular wall is also provided with a limiting wall extending outwards, and the limiting wall is used for limiting the rotation stroke of the protruding limiting block on the rear locking plate resetting seat.
Wherein, clutch subassembly include: the fixed plate is connected to a rear handle on the fixed plate, a telescopic self-locking assembly is arranged on the rear handle, the self-locking assembly drives a counter-locking ejector block, and when the self-locking assembly is operated, the counter-locking ejector block is synchronously driven to extend out, and the counter-locking ejector block locks the reset assembly so as to synchronously drive the reset assembly to rotate.
Wherein, the auto-lock subassembly include: the self-locking button is connected with a self-locking return spring, the self-locking button and the self-locking return spring are jointly installed in the installation hole of the rear handle, and the other end of the self-locking button is connected with the anti-locking jacking block.
Wherein, the fixed plate include: the body, be equipped with the through-hole that is used for wearing to establish the back handle on the body, still be equipped with one on the body along the protruding spacing portion of through-hole periphery to and spliced pole.
And a reset torsion spring is further arranged between the fixed plate and the reset assembly, one end of the reset torsion spring is connected with the protruding limiting part, and the other end of the reset torsion spring is connected with a rear lock plate reset seat of the reset assembly, so that the rear handle automatically resets after one unlocking action is completed.
Compared with the prior art, the door lock mechanism for preventing the door lock from being unlocked is characterized in that the door lock is designed into a matched structure of the reset component and the clutch component, the door lock can be driven to be unlocked if and only if the reset component and the clutch component are locked, otherwise, the rear handle of the door lock is in a free state, and therefore potential safety hazards that illegal persons unlock the door lock through the door lock are prevented.
Drawings
Fig. 1 and 2 are various angles of overall exploded views of the door lock mechanism of the present invention for preventing cat eye unlocking.
Fig. 3 is a longitudinal sectional view of the door lock mechanism of the present invention preventing cat eye unlocking.
Detailed Description
The invention is further elaborated with reference to the drawings.
Referring to fig. 1 to 3, in this embodiment, the door lock mechanism for preventing a cat eye from unlocking includes: the reset component 100 and the clutch component 200 matched with the reset component 100, the reset component 100 acts to drive the lock tongue of the door lock to extend or retract, the clutch component 200 is operated to realize connection and separation with the reset component, when the reset component 100 and the clutch component 200 are connected, synchronous rotation is carried out to drive the lock tongue of the door lock to stretch out and draw back to realize unlocking, when the clutch component 200 is not operated, the reset component 100 and the clutch component 200 are in a mutually free state, namely when the door is unlocked from the inside, the clutch component 200 is required to be simultaneously operated to be locked with the reset component 100, and the handle 9 can be unlocked after synchronous rotation.
Referring again to fig. 1, the reset assembly 100 includes: the rear clutch cover plate 1 is connected to a rear lock plate clutch seat 4, a rear lock plate reset seat 2 is further arranged between the rear clutch cover plate 1 and the rear lock plate clutch seat 4, and the other end face of the rear lock plate reset seat 2 is further connected with a rear lock plate limit seat 5; wherein, the back lock plate reset seat is arranged on the back clutch cover plate 1 and the back lock plate clutch seat 4 in a penetrating way and can rotate along the axis of the back lock plate clutch seat 4.
Referring again to fig. 2, the rear clutch cover 1 includes: the cover plate body 10, the cover plate body 10 middle part is equipped with a through-hole 12, and this through-hole 12 is used for wearing to establish back lock plate reset seat 2, and the edge of cover plate body 10 still extends a pair of connecting portion 11, is equipped with the connecting hole on this connecting portion 11, can connect back separation and reunion apron 1 to be fixed in on the back lock plate separation and reunion seat 4 through the connecting screw.
The rear lock plate reset seat 2 and the rear lock plate clutch seat 4 are also provided with a reset spring 3, and two ends of the reset spring 3 are respectively connected with the rear lock plate reset seat 2 and the rear lock plate clutch seat 4, so that the rear lock plate reset seat 2 and the rear lock plate clutch seat 4 can rotate relatively and then reset automatically.
The rear lock plate reset seat 2 comprises: the columnar body 21, the outer wall of columnar body 21 transversely extends an annular table 22, the axial of columnar body 21 still is equipped with a separation and reunion hole 211, the outward flange of annular table 22 still is equipped with a protruding stopper 221, back clutch plate 1 and back lock plate separation and reunion seat 4 are located the both sides of columnar body 21 of back lock plate reset seat 2 respectively, and the radius of annular table 22 is greater than through-hole 12 and separation and reunion hole 211 to install back lock plate reset seat 2 between back clutch plate 1 and back lock plate separation and reunion seat 4.
Referring again to fig. 2, the rear lock plate clutch base 4 includes: the clutch seat body 41, the edge of clutch seat body 41 still is equipped with a pair of breach 45, be equipped with on the clutch seat body 41 and be used for wearing to establish the connecting hole 42 of back lock plate reset seat 2, still be equipped with on the clutch seat body 41 one along the annular wall 44 that has a breach of connecting hole 42 periphery, reset spring 3 ring cover in the outside of annular wall 44, and reset spring 3's one end is connected in back lock plate reset seat 2, and the other end is connected in annular wall 44. The clutch seat body 41 is further provided with a pair of connection posts 43 corresponding to the connection holes of the connection portion 11 of the rear clutch cover plate 1, and the clutch seat body 41 is further provided with assembly holes 46 for connecting the rear lock plate clutch seat 4 to the rear lock plate limiting seat 5 by screws.
More specifically, the notch ends of the annular wall 44 are further provided with an outwardly extending limiting wall 441, and the limiting walls 441 are used for limiting the rotation stroke of the protruding limiting block 221 on the rear lock plate resetting seat 2, that is, the protruding limiting block 221 is located between the two limiting walls 441, and the rear lock plate resetting seat 2 can only rotate in the stroke between the two limiting walls 441.
Referring again to fig. 1, the clutch assembly 200 includes: the fixed plate 7 is connected to the rear handle 9 on the fixed plate 7, a telescopic self-locking assembly is arranged on the rear handle 9, the self-locking assembly drives a counter-locking ejector block 8, when the self-locking assembly is operated, the counter-locking ejector block 8 is synchronously driven to extend, and the counter-locking ejector block 8 locks the reset assembly 100 so as to synchronously drive the reset assembly 100 to rotate.
Further, the self-locking assembly includes: the self-locking button 10 is connected with a self-locking return spring 6, the self-locking button 10 and the self-locking return spring 6 are jointly installed in an installation hole 91 of the rear handle 9, the other end of the self-locking button 10 is connected with the counter lock jacking block 8, and the self-locking button 10 is pressed down to push the counter lock jacking block 8 to be inserted into a clutch hole 211 on the rear lock plate reset seat 2, so that the self-locking button 10 and the self-locking return spring synchronously rotate.
Wherein, the fixed plate 7 comprises: the door lock mechanism comprises a body 71, wherein a through hole 74 for penetrating a rear handle is formed in the body 71, a protruding limiting portion 72 and a connecting column 73 are further arranged on the body 71 along the periphery of the through hole 74, and the connecting column 73 can be used for installing the door lock mechanism capable of preventing the door lock from being opened by a cat eye on a door body.
In order to enable the rear handle 9 to automatically reset after unlocking operation, a reset torsion spring 01 is further arranged between the fixing plate 7 and the reset assembly 100, one end of the reset torsion spring 01 is connected to the protruding limiting portion 72, and the other end of the reset torsion spring is connected to the rear locking plate reset seat 5 of the reset assembly 100, so that the rear handle 9 automatically resets after one unlocking operation is completed.
More specifically, the self-locking button 10 includes: the button cap 102 and connect to the connecting rod 101 on the button cap 102, button return spring 6 ring cover is in on the connecting rod 101, button return spring 6's one end fixed connection is in button cap 102 or connecting rod 101, and the other end supports or is connected in the mounting hole 91 of back handle 9. When the button cap 102 is pressed, the counter lock top block 8 is pushed to extend and is inserted into the clutch hole 211 in the rear lock plate reset seat 2, and the clutch hole 211 and the counter lock top block 8 are locked and rotated synchronously, wherein the clutch hole 211 and the counter lock top block 8 are of a linear insertion matching structure, in the embodiment, the counter lock top block 8 is of a quadrangular prism shape, and in other embodiments, the shape of the counter lock top block can be arbitrary, and only needs to meet the requirement that the counter lock top block can be inserted into or separated from the clutch hole 211, and the counter lock top block and the clutch hole 211 are locked and fixed during insertion.
Compared with the prior art, the door lock mechanism preventing the door lock from being unlocked by the cat eye of the embodiment designs the door lock into a matched structure of a reset component and a clutch component, and can drive the door lock to be unlocked if and only if the reset component and the clutch component are locked, otherwise, the rear handle of the door lock is in a free state, so that potential safety hazards of unlocking the door lock by an illegal person through the cat eye are prevented.
The foregoing is merely illustrative of the preferred embodiments of the present invention and is not intended to limit the embodiments of the present invention, and those skilled in the art can easily make corresponding variations or modifications according to the main concept and spirit of the present invention, so the protection scope of the present invention shall be defined by the claims.
Claims (2)
1. A door lock mechanism for preventing a cat eye from unlocking, comprising: the reset component and with reset component complex clutch pack, reset component action drive lock's spring bolt stretches out or withdraws, clutch pack is operated in order to realize being connected and the separation with reset component, if and only if reset component and clutch pack are connected the synchronous rotation in order to drive lock's spring bolt flexible realization unblanking, reset component include: the rear clutch cover plate is connected with a rear lock plate clutch seat, a rear lock plate reset seat is further arranged between the rear clutch cover plate and the rear lock plate clutch seat, and the other end face of the rear lock plate reset seat is further connected with a rear lock plate limit seat; the utility model provides a rear lock plate clutch seat, wherein, rear lock plate reset seat wears to locate rear clutch cover plate and rear lock plate clutch seat to can rotate along the axis of rear lock plate clutch seat, still be equipped with a reset spring between rear lock plate reset seat and the rear lock plate clutch seat, reset spring's both ends are connected respectively in rear lock plate reset seat and rear lock plate clutch seat, so that rear lock plate reset seat and rear lock plate clutch seat after relative rotation automatic re-setting, rear lock plate reset seat include: the column body, the outer wall lateral extension annular platform of column body, the axial of column body still is equipped with a clutch hole, the outward flange of annular platform still is equipped with a protruding stopper, back lock plate clutch seat include: the clutch seat body, be equipped with the connecting hole that is used for wearing to establish back lock plate reset seat on the clutch seat body, still be equipped with one on the clutch seat body and follow the peripheral cyclic annular wall that has a breach of connecting hole, reset spring ring cover in the outside of cyclic annular wall, and reset spring's one end is connected in back lock plate reset seat, and the other end is connected in cyclic annular wall, the breach end of cyclic annular wall still respectively is equipped with the spacing wall of an outside extension, spacing wall is used for limiting the protruding stopper rotation stroke on the back lock plate reset seat, the clutch subassembly include: the fixed plate, connect in the back handle on the fixed plate, be equipped with a telescopic auto-lock subassembly on the back handle, auto-lock subassembly drive a back locking kicking block, when the operation auto-lock subassembly, synchronous drive back locking kicking block stretches out, and back locking kicking block locks the subassembly that resets to drive the subassembly that resets in step and rotate, the auto-lock subassembly include: the self-locking button, be connected with a self-locking return spring on the self-locking button, self-locking button and self-locking return spring install jointly in the mounting hole of back handle, self-locking button's the other end connect in the back locking kicking block, the fixed plate include: the body, be equipped with the through-hole that is used for wearing to establish the back handle on the body, still be equipped with one on the body along the protruding spacing portion of through-hole periphery to and spliced pole.
2. The door lock mechanism for preventing a cat eye from unlocking as set forth in claim 1, wherein a reset torsion spring is further provided between said fixed plate and said reset assembly, one end of said reset torsion spring is connected to said convex limiting portion, and the other end is connected to a rear lock plate reset seat of said reset assembly, so that the handle is automatically reset after completing an unlocking operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810431146.XA CN108487781B (en) | 2018-05-08 | 2018-05-08 | Door lock mechanism capable of preventing peep hole from unlocking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810431146.XA CN108487781B (en) | 2018-05-08 | 2018-05-08 | Door lock mechanism capable of preventing peep hole from unlocking |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108487781A CN108487781A (en) | 2018-09-04 |
| CN108487781B true CN108487781B (en) | 2024-03-01 |
Family
ID=63354155
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810431146.XA Active CN108487781B (en) | 2018-05-08 | 2018-05-08 | Door lock mechanism capable of preventing peep hole from unlocking |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108487781B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111155839B (en) * | 2018-11-08 | 2021-06-04 | 杭州海康威视数字技术股份有限公司 | Safety knob mechanism |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5562317A (en) * | 1995-03-20 | 1996-10-08 | Tong-Lung Metal Industry Co., Ltd. | Inner handle assembly of cylinder lock |
| CN205314676U (en) * | 2015-09-02 | 2016-06-15 | 广东金点原子制锁有限公司 | Prevent tool to lock of unblanking through cat eye |
| CN205577619U (en) * | 2015-11-30 | 2016-09-14 | 东莞市中控电子技术有限公司 | Prevent tool to lock mechanism that cat eye unblanked |
| CN106481146A (en) * | 2015-09-02 | 2017-03-08 | 广东金点原子制锁有限公司 | A kind of lockset preventing from unlocking by opal |
| CN206110852U (en) * | 2016-10-20 | 2017-04-19 | 陈艮杰 | Prevent pickproof lock that cat eye opened |
| CN206245874U (en) * | 2016-11-15 | 2017-06-13 | 中山市惠氏五金科技有限公司 | The anti-opening mechanism of door lock handle |
| CN206722552U (en) * | 2016-12-30 | 2017-12-08 | 黄雄壮 | A kind of anti-opal steals Internal handle |
| WO2017211223A1 (en) * | 2016-06-08 | 2017-12-14 | 黄豪杰 | Electronic door lock |
| CN208734210U (en) * | 2018-05-08 | 2019-04-12 | 深圳市豪力士智能科技有限公司 | A kind of door lock mechanism that anti-opal is unlocked |
-
2018
- 2018-05-08 CN CN201810431146.XA patent/CN108487781B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5562317A (en) * | 1995-03-20 | 1996-10-08 | Tong-Lung Metal Industry Co., Ltd. | Inner handle assembly of cylinder lock |
| CN205314676U (en) * | 2015-09-02 | 2016-06-15 | 广东金点原子制锁有限公司 | Prevent tool to lock of unblanking through cat eye |
| CN106481146A (en) * | 2015-09-02 | 2017-03-08 | 广东金点原子制锁有限公司 | A kind of lockset preventing from unlocking by opal |
| CN205577619U (en) * | 2015-11-30 | 2016-09-14 | 东莞市中控电子技术有限公司 | Prevent tool to lock mechanism that cat eye unblanked |
| WO2017211223A1 (en) * | 2016-06-08 | 2017-12-14 | 黄豪杰 | Electronic door lock |
| CN206110852U (en) * | 2016-10-20 | 2017-04-19 | 陈艮杰 | Prevent pickproof lock that cat eye opened |
| CN206245874U (en) * | 2016-11-15 | 2017-06-13 | 中山市惠氏五金科技有限公司 | The anti-opening mechanism of door lock handle |
| CN206722552U (en) * | 2016-12-30 | 2017-12-08 | 黄雄壮 | A kind of anti-opal steals Internal handle |
| CN208734210U (en) * | 2018-05-08 | 2019-04-12 | 深圳市豪力士智能科技有限公司 | A kind of door lock mechanism that anti-opal is unlocked |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108487781A (en) | 2018-09-04 |
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