CN110242109B

CN110242109B - Progressive safety anti-theft door lock

Info

Publication number: CN110242109B
Application number: CN201910456852.4A
Authority: CN
Inventors: 方正之
Original assignee: Hangzhou Yingdong Technology Co Ltd
Current assignee: Hangzhou Yingdong Technology Co., Ltd
Priority date: 2019-05-29
Filing date: 2019-05-29
Publication date: 2020-12-25
Anticipated expiration: 2039-05-29
Also published as: CN110242109A

Abstract

The invention discloses a progressive safety anti-theft door lock which comprises a front cover, wherein the rear end of the front cover is connected with a shell, an outer container is arranged on the inner side of the shell, the inner side of the outer container is connected with a first inner container, a second inner container and a third inner container through torsion springs, a connecting groove is formed in the outer container, the connecting groove is connected with a thread block through a first connecting spring, the outer side of the thread block is connected with a threaded rod through a transmission structure, the outer end of the threaded rod is connected to the inner side of the shell, and a closing plate is connected to the outer side of the inner end of the threaded rod. This progressive safe security door lock can avoid lawless persons to open this lock through the mode of progressive formula ring knot layer upon layer to can improve the theftproof performance of this lock, and can avoid the second inner bag and the third inner bag of this lock to be destroyed through the structure of closing plate, not only be favorable to reducing the cost of maintenance of this lock, and can be convenient for increase the life of this lock.

Description

Progressive safety anti-theft door lock

Technical Field

The invention relates to the technical field of security protection, in particular to a progressive safe anti-theft door lock.

Background

Along with the development of society, the device of security protection is more and more, and the pickproof door lock is a security protection device, and it can avoid lawless persons to maliciously unblank, and it can not only guarantee personal safety, and can avoid financial affairs to be stolen.

However, the safety performance of the existing safety anti-theft door lock needs to be improved, because the existing safety anti-theft door lock is in a straight-through type, the key can be directly inserted into the existing safety anti-theft door lock to drive the poking plate to rotate, and lawless persons can conveniently insert the tool into the existing safety anti-theft door lock to unlock the existing safety anti-theft door lock, so that the problem that the safety of the existing safety anti-theft door lock is not enough is caused.

Disclosure of Invention

The present invention provides a progressive security door lock to solve the problem of the prior art that the security performance of the security door lock needs to be improved.

In order to achieve the purpose, the invention provides the following technical scheme: a progressive safe anti-theft door lock, which comprises a front cover, wherein the rear end of the front cover is connected with a shell, the inner side of the shell is provided with an outer container, the inner side of the outer liner is connected with the first inner liner, the second inner liner and the third inner liner through torsion springs, and the outer container is provided with a connecting groove which is internally connected with the thread block through a first connecting spring, the outer side of the thread block is connected with a threaded rod through a transmission structure, the outer end of the threaded rod is connected with the inner side of the shell, and the outer side of the inner end of the threaded rod is connected with a closing plate, through holes are arranged on the first inner container, the second inner container and the third inner container, the inner sides of the through holes are connected with the locking block through a second connecting spring, and a connecting block is arranged on the third inner container, a first sliding groove and a second sliding groove are arranged on the inner side of the outer container, and a first limiting block and a second limiting block are respectively arranged in the first sliding groove and the second sliding groove.

Preferably, holes matched with the keys in size are formed in the first inner container, the second inner container and the third inner container, grooves with the same size are formed in the keys at equal intervals, and the holes in the first inner container, the second inner container and the third inner container are arranged in a cross mode.

Preferably, drive structure includes central siphon, master gear and driven gear, and the central siphon nestification is in the outside of screw thread piece to central siphon bearing connects on outer courage, and the outside key-type of central siphon simultaneously has the master gear, and the driven gear meshing of key-type connection is connected on master gear and the threaded rod, and the master gear runs through outer courage setting.

Preferably, the inner side of the shaft tube and the outer side of the thread block are both in a twist thread structure, only the thread block close to the threaded rod is in threaded connection with the shaft tube, and the tail end of the thread block and the connecting groove are both in a prism structure.

Preferably, the outer end of the threaded rod is connected to the inner side of the shell in a bearing mode, the inner end of the threaded rod is in threaded connection with the closing plate, the closing plate is semicircular in structural shape, and the threaded rod is arranged between the outer containers.

Preferably, a first liner and a second liner are connected in the first sliding groove and the second sliding groove respectively, and a first limiting block and a second limiting block in the first sliding groove and the second sliding groove are arranged in parallel to the second liner and the third liner respectively.

Compared with the prior art, the invention has the beneficial effects that: this progressive safe security door lock can avoid lawless persons to open this lock through the mode of progressive formula ring-buckle layer upon layer to can improve the theftproof performance of this lock, and can avoid the second inner bag and the third inner bag of this lock to be destroyed through the structure of closing plate, not only be favorable to reducing the cost of maintenance of this lock, and can be convenient for increase the life of this lock:

1. the first inner container, the second inner container, the third inner container, the first connecting spring, the outer container, the thread block, the locking block, the second connecting spring, the through hole, the connecting groove, the first sliding groove, the first limiting block, the second sliding groove, the second limiting block and the torsion spring are arranged, so that the door lock can be opened only by rotating the first inner container, the second inner container and the third inner container simultaneously, the door lock is opened in a progressive ring-buckle mode layer by layer, and the door lock is prevented from being opened by a lawbreaker;

2. the setting of closing plate, threaded rod, screw thread piece and transmission structure can avoid external needle-like object to get into in second inner bag and the third inner bag when this lock is not opened to can avoid second inner bag and third inner bag to be destroyed, be favorable to increasing the life of this lock.

Drawings

FIG. 1 is a schematic top view of the present invention;

FIG. 2 is an enlarged view of point A of FIG. 1 according to the present invention;

FIG. 3 is a schematic view of the first inner container and the outer container according to the present invention;

FIG. 4 is a schematic structural view of a second inner container and an outer container according to the present invention;

FIG. 5 is a schematic view of the connection structure of the transmission structure of the present invention.

In the figure: 1. a front cover; 2. a housing; 3. an outer liner; 4. a torsion spring; 5. a first inner container; 6. a second inner container; 7. a third inner container; 8. a first connecting spring; 9. a thread block; 10. a locking block; 11. a key; 12. connecting blocks; 13. connecting grooves; 14. a transmission structure; 1401. an axle tube; 1402. a main gear; 1403. a driven gear; 15. a threaded rod; 16. a closing plate; 17. a second connecting spring; 18. a through hole; 19. a first chute; 20. a first stopper; 21. a second chute; 22. and a second limiting block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides the following technical solutions: a progressive safety anti-theft door lock comprises a front cover 1, a shell 2 is connected with the rear end of the front cover 1, an outer liner 3 is arranged on the inner side of the shell 2, the inner side of the outer liner 3 is connected with a first liner 5, a second liner 6 and a third liner 7 through a torsion spring 4, a connecting groove 13 is arranged on the outer liner 3, the connecting groove 13 is connected with a thread block 9 through a first connecting spring 8, the outer side of the thread block 9 is connected with a threaded rod 15 through a transmission structure 14, the outer end of the threaded rod 15 is connected with the inner side of the shell 2, a closing plate 16 is connected with the outer side of the inner end of the threaded rod 15, through holes 18 are arranged on the first liner 5, the second liner 6 and the third liner 7, the inner sides of the through holes 18 are connected with a locking block 10 through a second connecting spring 17, a connecting block 12 is arranged on the third liner 7, a first chute 19 and a second chute 21 are arranged on the inner side of the outer liner 3, and a first limiting block 20 and a second limiting block 22 are respectively arranged in the first sliding groove 19 and the second sliding groove 21.

The first inner container 5, the second inner container 6 and the third inner container 7 are all provided with holes matched with the key 11 in size, the key 11 is provided with grooves with equal size at equal intervals, and the holes in the first inner container 5, the second inner container 6 and the third inner container 7 are arranged in a cross mode, so that the key 11 can be conveniently inserted into the door lock, and the lock block 10 can be conveniently clamped with the groove in the key 11, so that the lock block 10 is completely not positioned in the connecting groove 13 and the thread block 9 is completely not positioned in the through hole 18, a user can conveniently rotate the first inner container 5, the second inner container 6 and the third inner container 7 through the key 11, and the torsion spring 4 can ensure that the holes in the first inner container 5, the second inner container 6 and the third inner container 7 are arranged in a cross mode when the first inner container 5, the second inner container 6 and the third inner container 7 are not rotated, so that a needle-shaped object is prevented from being inserted into the door lock without generation of a molecule, and the.

Drive structure 14 includes central siphon 1401, master gear 1402 and driven gear 1403, and central siphon 1401 nests in the outside of screw piece 9, and central siphon 1401 bearing is connected on outer courage 3, the outside key-type of central siphon 1401 has master gear 1402 simultaneously, the driven gear 1403 meshing connection of key-type on master gear 1402 and the threaded rod 15, master gear 1402 runs through outer courage 3 and sets up, can be when screw piece 9 removes, drive central siphon 1401 and rotate, and then drive the master gear 1402 rotation of key-type connection on it, the rotation of master gear 1402, will drive the driven gear 1403 rotation rather than the meshing connection, and then drive the threaded rod 15 rotation of its key-type connection.

The inner side of the shaft tube 1401 and the outer side of the thread block 9 are both of a twist thread structure, only the thread block 9 close to the threaded rod 15 is in threaded connection with the shaft tube 1401, and the tail end and the connecting groove 13 are both of a prism structure, so that the shaft tube 1401 can be easily rotated when the thread block 9 moves, and the tail end and the connecting groove 13 of the thread block 9 are both of a prism structure, so that the situation that the thread block 9 can only move and cannot rotate is ensured, and the stable rotation of the shaft tube 1401 is ensured.

The outer end bearing of threaded rod 15 is connected in the inboard of shell 2, and the inner and the 16 threaded connection of closing plate of threaded rod 15, and closing plate 16's structural shape is semi-circular, threaded rod 15 sets up simultaneously between outer courage 3, the stable rotation of threaded rod 15 of being convenient for, and can be convenient for through the rotation of threaded rod 15 and between the outer courage 3 spacing to semicircular closing plate 16, drive closing plate 16 and remove, so that when not opening this lock, closing plate 16 prevents outside needle-like object to get into in second inner bag 6 and the third inner bag 7, in order to avoid the real-time crime of lawless persons.

Be connected with first inner bag 5 and second inner bag 6 in first spout 19 and the second spout 21 respectively, and first stopper 20 and second stopper 22 in first spout 19 and the second spout 21 are on a parallel with second inner bag 6 and the setting of third inner bag 7 respectively, can be convenient for guarantee the stable rotation of first inner bag 5 and second inner bag 6 through first spout 19 and second spout 21, and can guarantee through first stopper 20 and second stopper 22 that the hole on first inner bag 5 and the second inner bag 6 rotates to be parallel with the hole collineation on second inner bag 6 and the third inner bag 7.

The working principle is as follows: firstly, the progressive safety anti-theft door lock is installed at a use position, as shown in fig. 1, and the connecting block 12 is connected with the lock-pulling sheet (the installation method of the device is the same as that of the existing anti-theft door lock, and the detailed description is omitted, and the lock-pulling sheet is also the same as that of the existing anti-theft door lock), when the device is used, the key 11 is firstly inserted into the hole on the first inner container 5, so that the groove on the key 11 is clamped with the lock block 10 on the first inner container 5, and further the lock block 10 extrudes the thread block 9, and then the purpose that the lock block 10 is not located in the connecting groove 13 and the thread block 9 is not located in the through hole 18 is realized by combining with the structure shown in fig. 2;

in the above process, as shown in fig. 5, the movement of the screw block 9 will rotate the shaft tube 1401, and further the threaded rod 15 via the main gear 1402 and the driven gear 1403, so that the closing plates 16 in fig. 2 are far away from each other;

thereafter, as shown in fig. 1, fig. 2 and fig. 3, the key 11 is rotated to make the first inner container 5 slide in the first sliding slot 19 until the first inner container 5 contacts the first limiting block 20, so that the hole on the first inner container 5 and the hole on the second inner container 6 are on the same plane, and then the key 11 is moved into the door lock to make the key 11 extend into the hole on the second inner container 6, the same operation as the key 11 in the hole in the first inner container 5 is performed, so that the key 11 continues to move inside the door lock, until the key 11 extends into the third inner container 7, after which, the groove on the key 11 is clamped with the locking block 10 on the third inner container 7, so that the third inner container 7 can rotate, which in turn causes the connecting block 12 to rotate the deadbolt for opening the door lock, which is well known to those skilled in the art and not described in detail herein.

It is to be understood that the terms "central," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the purpose of convenience and simplicity of description, and do not indicate or imply that the referenced devices or components must be in a particular orientation, constructed and operated in a particular orientation, and are not to be considered limiting of the scope of the present invention.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a progressive safe pickproof door lock, includes protecgulum (1), its characterized in that: the rear end of the front cover (1) is connected with a shell (2), the inner side of the shell (2) is provided with an outer container (3), the inner side of the outer container (3) is connected with a first inner container (5), a second inner container (6) and a third inner container (7) through a torsion spring (4), a connecting groove (13) is arranged on the outer container (3), the connecting groove (13) is connected with a thread block (9) through a first connecting spring (8), the outer side of the thread block (9) is connected with a threaded rod (15) through a transmission structure (14), the outer end of the threaded rod (15) is connected with the inner side of the shell (2), the outer side of the inner end of the threaded rod (15) is connected with a closing plate (16), through holes (18) are arranged on the first inner container (5), the second inner container (6) and the third inner container (7), and the inner side of the through holes (18) is connected with a locking block (10) through a second connecting spring (17), a connecting block (12) is arranged on the third inner container (7), a first sliding groove (19) and a second sliding groove (21) are arranged on the inner side of the outer container (3), and a first limiting block (20) and a second limiting block (22) are respectively arranged in the first sliding groove (19) and the second sliding groove (21); the transmission structure (14) comprises an axle tube (1401), a main gear (1402) and a driven gear (1403), the axle tube (1401) is nested on the outer side of the thread block (9), the axle tube (1401) is in bearing connection with the outer container (3), the main gear (1402) is connected with the outer side key of the axle tube (1401), the driven gear (1403) in key connection with the threaded rod (15) is in meshed connection with the main gear (1402), the main gear (1402) penetrates through the outer container (3), the inner side of the axle tube (1401) and the outer side of the thread block (9) are both in twist thread structures, only the thread block (9) close to the threaded rod (15) is in thread connection with the axle tube (1401), and the tail end of the axle tube and the structural shape of the connecting groove (13) are both in prism structures.

2. The progressive security deadbolt lock of claim 1, wherein: holes matched with the key (11) in size are formed in the first inner container (5), the second inner container (6) and the third inner container (7), grooves equal in size are formed in the key (11) at equal intervals, and the holes in the first inner container (5), the second inner container (6) and the third inner container (7) are arranged in a cross mode.

3. The progressive security deadbolt lock of claim 1, wherein: the outer end bearing of threaded rod (15) is connected in the inboard of shell (2), and the inner and the closure plate (16) threaded connection of threaded rod (15), and the structural shape of closure plate (16) is semi-circular, and threaded rod (15) set up between outer courage (3) simultaneously.

4. The progressive security deadbolt lock of claim 1, wherein: first inner bag (5) and second inner bag (6) are connected with respectively in first spout (19) and second spout (21), and first stopper (20) and second stopper (22) in first spout (19) and second spout (21) are on a parallel with second inner bag (6) and third inner bag (7) setting respectively.