CN219220027U - Door lock with button type back locking structure - Google Patents
Door lock with button type back locking structure Download PDFInfo
- Publication number
- CN219220027U CN219220027U CN202222157861.3U CN202222157861U CN219220027U CN 219220027 U CN219220027 U CN 219220027U CN 202222157861 U CN202222157861 U CN 202222157861U CN 219220027 U CN219220027 U CN 219220027U
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- button
- back locking
- connecting piece
- lock
- rotating shaft
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Abstract
The utility model discloses a door lock with a button type back locking structure, which comprises an inner lock shell and a handle, wherein an idle button which extends out of one side of the inner lock shell and can rotate relative to the inner lock shell is arranged in the inner lock shell, a back locking connecting piece which extends out of the other side of the inner lock shell and can rotate relative to the inner lock shell is arranged in the inner lock shell, one end of the idle button is provided with a rotating shaft which extends towards the direction of the back locking connecting piece and can extend into the back locking connecting piece, the back locking connecting piece is provided with a connecting groove matched with the rotating shaft, the idle button is connected with the back locking connecting piece through a reset piece, when the door lock is used, the idle button can not be unlocked only by rotating the idle button, the idle button is required to be pressed and the idle button is rotated, the idle button and the back locking connecting piece are connected for unlocking operation, the child is prevented from rotating the back locking knob by mistake, a parent is unlocked outdoors or the back locking is unlocked by mistake, and the safety of the back locking structure is improved.
Description
Technical Field
The utility model relates to a door lock, in particular to a door lock with a button type back locking structure.
Background
The door lock is generally provided with a back locking knob on a back panel of the door lock positioned indoors. Chinese patent publication No. CN203654888U discloses a door lock comprising: the door lock comprises an inner side face cover, an inner handle and a back locking knob, wherein the back locking knob is provided with a back locking rotating shaft, and a rotating disc, a movable block and a poking block are arranged in the inner side face cover, so that back locking of the door lock can be realized. However, the poking block is fixedly connected with the counter-locking rotating shaft and is linked with the counter-locking rotating knob, and when the counter-locking rotating shaft rotates, the poking block at the inner ends of the counter-locking rotating shaft and the counter-locking rotating shaft are driven to rotate, so that the counter-locking can be realized in a rotating disc locking state, the situation that a child rotates the counter-locking rotating knob by mistake indoors is easy to occur, the family is easy to lock outdoors, or the child can open the door by mistake under the condition that parents do not accompany the family, and certain potential safety hazards are provided.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model provides a door lock with a button type back locking structure, which is used for preventing the back locking of the door lock by children.
The technical scheme adopted for solving the technical problems is as follows:
the utility model provides a lock with button formula back locking structure, includes interior lock shell and handle, install in the interior lock shell and stretch out can be relative in interior lock shell pivoted idle button in interior lock shell one side, install in the interior lock shell stretch out can be relative in interior lock shell pivoted back locking connecting piece of interior lock shell opposite side, idle button one end be equipped with to back locking connecting piece direction extends and can stretch into the pivot in the back locking connecting piece, be equipped with on the back locking connecting piece and supply the pivot inserts the spread groove of matching, be equipped with the reset piece between idle button and the back locking connecting piece.
One end of the rotating shaft, which can extend into the connecting groove, is a square connecting part, and the connecting groove is a square connecting groove.
The inner lock is characterized in that a first mounting plate is mounted in the inner lock shell, a first mounting hole is formed in the first mounting plate, a rotating shaft of the idle button penetrates through the first mounting hole and is movably mounted in the first mounting hole, and clamping springs sleeved on the rotating shaft are respectively arranged on two sides of the first mounting hole.
The idle button and the rotating shaft are of an integrated structure.
Install the second mounting panel in the interior lock shell, be equipped with the second mounting hole on the second mounting panel, the back-lock connecting piece is installed in the second mounting hole, the back-lock connecting piece is close to the one end of idle button is equipped with the spread groove, the back-lock connecting piece is kept away from the one end of idle button is equipped with the lock body spread groove that can be connected with the back-lock body.
The reset piece is a reset spring.
The door lock is characterized in that the door lock further comprises a Cat eye preventing button, a button seat and a Cat eye preventing rotating shaft component which are arranged in the handle, a lock body connecting piece connected with the lock body is arranged in the inner lock shell, the Cat eye preventing button is movably arranged in the button seat, one end of the Cat eye preventing rotating shaft component stretches into the button seat and abuts against the Cat eye preventing button, and the other end of the Cat eye preventing rotating shaft component is arranged outside the lock body connecting piece.
And a cat eye preventing locking structure which can be used for enabling the cat eye preventing button to be clamped in a rotating mode is further arranged in the button seat.
The beneficial effects of the utility model are as follows:
the utility model provides a door lock with a button type back locking structure, which comprises an inner lock shell and a handle, wherein an idle button and a back locking connecting piece which can rotate relative to the inner lock shell are arranged in the inner lock shell, one end of the idle button is provided with a rotating shaft which extends towards the direction of the back locking connecting piece and can extend into the back locking connecting piece, when the door lock is used, the idle button can not be locked only by rotating the idle button, the idle button can be connected with the back locking connecting piece to unlock operation only by pressing the idle button forcefully and rotating the idle button, the problem that a child rotates the back locking knob by mistake is avoided, a parent is locked outdoors or the door lock is unlocked by mistake to leave the door lock indoors after the back locking is opened, and the safety of the back locking structure is improved.
Drawings
The utility model will be further described with reference to the drawings and examples.
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is one of the exploded views of the structure of the present utility model;
FIG. 3 is a second exploded view of the structure of the present utility model;
FIG. 4 is one of the partially exploded views of the present utility model;
FIG. 5 is a second partially exploded view of the present utility model;
FIG. 6 is a cross-sectional view of the handle, anti-cat eye button, button mount, anti-cat eye spindle assembly, lock body connector of the present utility model.
Detailed Description
Referring to fig. 1 to 6, a door lock with a push button type back locking structure comprises an inner lock shell 1 and a handle 2, wherein an idle button 3 which extends out of one side of the inner lock shell 1 and can rotate relative to the inner lock shell 1 is installed in the inner lock shell 1, a back locking connecting piece 4 which extends out of the other side of the inner lock shell 1 and can rotate relative to the inner lock shell 1 is installed in the inner lock shell 1, one end of the idle button 3 is provided with a rotating shaft 31 which extends towards the direction of the back locking connecting piece 4 and can extend into the back locking connecting piece 4, a connecting groove 41 for the rotating shaft 31 to be inserted and matched is formed in the back locking connecting piece 4, a reset piece 5 is arranged between the idle button 3 and the back locking connecting piece 4, the reset piece 5 is a reset spring, and the door lock in the embodiment further comprises a lock body which is a common lock body commercially available.
The embodiment provides a lock with button type back locking structure, including interior lock shell 1 and handle 2, install idle button 3 and back locking connecting piece 4 that can rotate for interior lock shell 1 in the interior lock shell 1, idle button 3 one end is equipped with to back locking connecting piece 4 direction extension and can stretch into the pivot 31 in the back locking connecting piece 4, during the use, only rotate idle button 3 and can't lock, need press idle button 3 hard and rotate idle button and can connect idle button 3 and back locking connecting piece 4 and unblank the operation, avoided children's mistake to change back locking knob, with the head of a family back lock outdoor or with back locking open the back, mistake opens the lock oneself and leaves indoor, the security of back locking structure has been improved.
One end of the rotating shaft 31, which can go deep into the connecting groove 41, is a square connecting part 32, the connecting groove 41 is a square connecting groove, when the square connecting part 32 is inserted into the square connecting groove, the idle button 3 rotates, at the moment, the square connecting part 32 synchronously rotates to drive the square connecting groove to rotate, the idle button 3 rotates in the opposite direction after hearing the lock body back locking sound, the back locking action is completed, when the back locking state is required to be released, the idle button 3 rotates in the opposite direction, then the lock body unlock sound is heard, the idle button 3 is ejected to reset by a reset spring, and at the moment, even if the idle button 3 rotates, the idle button 3 cannot be back locked.
The inner lock shell 1 is internally provided with a first mounting plate 11, the first mounting plate 11 is provided with a first mounting hole 12, a rotating shaft 31 of the idle button 3 penetrates through the first mounting hole 12 and is movably mounted in the first mounting hole 12, two sides of the first mounting hole 12 are respectively provided with a clamp spring 13 sleeved on the rotating shaft 31, and the idle button 3 can finish pressing and rotating actions in the first mounting hole 12.
The idle button 3 and the rotating shaft 31 are of an integrated structure, the idle button 3 and the rotating shaft 31 synchronously rotate, when the idle button 3 is not pressed, the idle button 3 rotates, and the rotating shaft 31 synchronously rotates, but as the rotating shaft 31 does not extend into the connecting groove 41, the back locking connecting piece 4 and the back locking lock body arranged at the other end of the back locking connecting piece 4 cannot rotate to carry out back locking.
The second mounting plate 14 is mounted in the inner lock shell 1, a second mounting hole 15 is formed in the second mounting plate 14, the back locking connecting piece 4 is mounted in the second mounting hole 15, a connecting groove 41 is formed in one end, close to the idle button 3, of the back locking connecting piece 4, a lock body connecting groove 42 capable of being connected with a back locking lock body is formed in one end, away from the idle button 3, of the back locking connecting piece 4, and is used for connecting the back locking lock body, and when the idle button 3 pushes the square connecting portion 32 into the connecting groove 41, the back locking connecting piece is driven to rotate to conduct back locking.
The door lock further comprises a cat eye preventing button 21, a button seat 22 and a cat eye preventing rotating shaft assembly 23 which are arranged in the handle 2, a lock body connecting piece 16 connected with a lock body is arranged in the inner lock shell 1, the cat eye preventing button 21 is movably arranged in the button seat 22, one end of the cat eye preventing rotating shaft assembly 23 stretches into the button seat 22 and abuts against the cat eye preventing button 21, and the other end of the cat eye preventing rotating shaft assembly 23 is arranged outside the lock body connecting piece 16.
The cat eye-proof rotating shaft assembly 23 comprises a cylindrical rotating shaft 25, a rotating shaft seat 26 and a square rotating shaft 27, a first connecting groove 28 matched with the cylindrical rotating shaft 25 is formed in one end of the rotating shaft seat 26, a spring 29 is arranged in the first connecting groove 28, the square rotating shaft 27 is movably installed in the rotating shaft seat 26, one end of the square rotating shaft is propped against the reset spring 29, the other end of the square rotating shaft extends out of the lock body connecting piece 16, one end of the cylindrical rotating shaft 25 extends into the button seat 22 and is propped against the cat eye-proof button 21, and the other end of the cylindrical rotating shaft is located out of the first connecting groove 28 and is propped against the spring 29.
When the door is opened, the anti-cat eye button 21 pushes towards the direction of the anti-cat eye rotating shaft assembly 23, pushes the cylindrical rotating shaft 25 into the first connecting groove 28, presses the spring 29, pushes the square rotating shaft 27 into the lock body connecting piece 16, and rotates the handle 2 at this time, so that the square rotating shaft 27 rotates, and the lock body connecting piece 16 rotates. When the anti-cat eye button 21 is not pressed, the anti-cat eye rotating shaft assembly 23 is located outside the lock body connecting piece 16, unlocking cannot be achieved even if the handle 2 is rotated, a thief can be effectively prevented from hooking the handle to open the door by using the cat eye hole of the anti-theft door, and safety of the door lock is improved.
The anti-cat eye locking structure 24 that can supply in the button seat 22 is still equipped with in the anti-cat eye button 21 rotatory card, anti-cat eye locking structure 24 is for seting up the confession on the button seat 22 internal face anti-cat eye button 21 rotatory card goes into the fluting, anti-cat eye button 21 rotates the card and goes into anti-cat eye locking structure 24 after, anti-cat eye pivot subassembly 23 keeps inserting in the lock body connecting piece 16 for anti-cat eye function can cancel under the condition of not needing, is applicable to the burglary-resisting door that does not have the cat eye and uses.
The above embodiments do not limit the protection scope of the utility model, and those skilled in the art can make equivalent modifications and variations without departing from the whole inventive concept, and they still fall within the scope of the utility model.
Claims (8)
1. The utility model provides a lock with button formula back locking structure, its characterized in that is including interior lock shell (1) and handle (2), install in interior lock shell (1) and stretch out interior lock shell (1) one side can be for interior lock shell (1) pivoted idle button (3), install in interior lock shell (1) stretch out interior lock shell (1) opposite side can be relative interior lock shell (1) pivoted back locking connecting piece (4), idle button (3) one end be equipped with to back locking connecting piece (4) direction extends and can stretch into pivot (31) in back locking connecting piece (4), be equipped with on back locking connecting piece (4) and supply pivot (31) insert matching spread groove (41), be equipped with between idle button (3) and back locking connecting piece (4) and reset piece (5).
2. The door lock with the push button type back locking structure according to claim 1, characterized in that one end of the rotating shaft (31) which can penetrate into the connecting groove (41) is a square connecting part (32), and the connecting groove (41) is a square connecting groove.
3. The door lock with the button type back locking structure according to claim 1 or 2, characterized in that a first mounting plate (11) is mounted in the inner lock shell (1), a first mounting hole (12) is formed in the first mounting plate (11), a rotating shaft (31) of the idle button (3) penetrates through the first mounting hole (12) and is movably mounted in the first mounting hole (12), and snap springs (13) sleeved on the rotating shaft (31) are respectively arranged on two sides of the first mounting hole (12).
4. Door lock with push button counter lock according to claim 1 or 2, characterized in that the idle push button (3) and the spindle (31) are of one-piece construction.
5. The door lock with the button type back locking structure according to claim 1 or 2, characterized in that a second mounting plate (14) is mounted in the inner lock shell (1), a second mounting hole (15) is formed in the second mounting plate (14), the back locking connecting piece (4) is movably mounted in the second mounting hole (15), a connecting groove (41) is formed in one end, close to the idle button (3), of the back locking connecting piece (4), and a lock body connecting groove (42) capable of being connected with a back locking lock body is formed in one end, far away from the idle button (3), of the back locking connecting piece (4).
6. Door lock with push button counter lock according to claim 1, characterized in that the return element (5) is a return spring.
7. The door lock with the button type back locking structure according to claim 1, characterized in that the door lock further comprises a cat eye preventing button (21), a button seat (22) and a cat eye preventing rotating shaft assembly (23) which are arranged in the handle (2), a lock body connecting piece (16) connected with a lock body is arranged in the inner lock shell (1), the cat eye preventing button (21) is movably arranged in the button seat (22), one end of the cat eye preventing rotating shaft assembly (23) stretches into the button seat (22) and abuts against the cat eye preventing button (21), and the other end of the cat eye preventing rotating shaft assembly (23) is arranged outside the lock body connecting piece (16).
8. The door lock with the button type back locking structure according to claim 7, characterized in that a cat eye preventing locking structure (24) which can be used for the cat eye preventing button (21) to be rotationally clamped in is further arranged in the button seat (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222157861.3U CN219220027U (en) | 2022-08-15 | 2022-08-15 | Door lock with button type back locking structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222157861.3U CN219220027U (en) | 2022-08-15 | 2022-08-15 | Door lock with button type back locking structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219220027U true CN219220027U (en) | 2023-06-20 |
Family
ID=86742704
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222157861.3U Active CN219220027U (en) | 2022-08-15 | 2022-08-15 | Door lock with button type back locking structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219220027U (en) |
-
2022
- 2022-08-15 CN CN202222157861.3U patent/CN219220027U/en active Active
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |