CN216008121U

CN216008121U - Intelligent lock body

Info

Publication number: CN216008121U
Application number: CN202121646103.7U
Authority: CN
Inventors: 冯伟坚
Original assignee: Zhongshan Tianzhuo Hardware Technology Co ltd
Current assignee: Zhongshan Tianzhuo Hardware Technology Co ltd
Priority date: 2021-07-19
Filing date: 2021-07-19
Publication date: 2022-03-11
Anticipated expiration: 2031-07-19

Abstract

The invention discloses an intelligent lock body which comprises a lock shell, a side plate, a tongue collision assembly, a main tongue assembly, a shifting fork assembly, a clutch device and a pushing device. The collision tongue assembly comprises a collision tongue, and the collision tongue can be retracted into the side plate under the compression of the doorframe; the main tongue assembly comprises a main tongue, a first limiting part, a second limiting part and a locking part, wherein the first limiting part, the second limiting part and the locking part are limited by the tongue collision assembly; the clutch device is used for locking and releasing the main tongue assembly and comprises a first clutch piece, a second clutch piece and a spring between the first clutch piece and the second clutch piece, and the first clutch piece is provided with a locking part matched with a locking part on the main tongue assembly; the pushing device is used for pushing the first clutch piece to enable the locking portion on the first clutch piece to be disengaged from the locking portion on the main tongue assembly. The lock body with the structure has the advantages of simple structure, small volume, safety and high automation degree.

Description

Intelligent lock body

Technical Field

The invention relates to the technical field of intelligent locks, in particular to an intelligent lock body.

Background

The intelligent lock in the prior art mainly comprises a semi-automatic intelligent lock and a full-automatic intelligent lock, wherein after the semi-automatic lock closes the door, the door cannot be automatically locked, the door needs to be manually locked (through a handle or a key), and if a person who closes the door forgets to manually lock the door, the person who illegally unlocks can carry out illegal unlocking by using simple methods such as a card and the like; the panel of the full-automatic intelligent lock outside the door generally has no handle, the lock can be locked only by touching a locking key or implementing other control means, if a person who closes the door forgets to close the lock, the door lock cannot be automatically locked, and an illegal person who unlocks the door can also implement illegal unlocking, so that the intelligent lock in the prior art is inconvenient and unsafe. In addition, most of the intelligent lock bodies in the prior art are provided with oblique bolt assemblies, main bolt assemblies, safety bolt assemblies, shifting fork assemblies, reduction gear assemblies, electric control devices and the like, and the intelligent lock bodies are complex in structure, multiple in parts and large in size. At present, in the european standard lock, there is a strict limitation on the size of the lock body, and the size of the lock body is small, so that the lock body cannot accommodate the above components in the lock body at the same time. Therefore, when the size of the lock body is reduced and the structure is simplified, the safety and high automation degree are ensured, and the intelligent lock is a direction for further improving the lock body of the intelligent lock.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provides the intelligent lock body which is simple in structure, small in size, safe and high in automation degree.

In order to achieve the purpose, the invention adopts the following technical scheme:

the invention discloses an intelligent lock body, which comprises: the lock shell consists of a face shell and a bottom shell; the side plate is positioned on one side of the face shell and one side of the bottom shell; a latch assembly including a latch retractable into the side plate under the pressure of the door frame; the main tongue assembly is used for locking the door body and comprises a main tongue, a first limiting part, a second limiting part and a locking part, wherein the first limiting part, the second limiting part and the locking part are limited by the tongue collision assembly; the shifting fork assembly comprises a shifting arm, and the shifting arm can shift the second limiting part on the main tongue assembly to enable the main tongue to retract into the side plate; the clutch device is used for locking and releasing the main tongue assembly and comprises a first clutch piece, a second clutch piece and a spring between the first clutch piece and the second clutch piece, and the first clutch piece is provided with a locking part matched with a locking part on the main tongue assembly; and the pushing device is used for pushing the first clutch piece to enable the locking part on the first clutch piece to be disengaged from the locking part on the main tongue assembly.

Furthermore, the collision tongue assembly also comprises a collision tongue limiting part matched with the second limiting part on the main tongue assembly, a guide plate capable of separating the collision tongue limiting part from the second limiting part and a first elastic piece capable of resetting the collision tongue.

Still further, the main tongue assembly further comprises a second elastic member for pushing the main tongue out of the side plate.

Still further, the first clutch is slidable on the second clutch, and the second clutch disengages a locking portion on the first clutch from the locking portion on the main tongue assembly.

Furthermore, a guide boss is arranged on the first clutch piece, and a guide groove matched with the guide boss is arranged on the second clutch piece.

Further, the pushing device is an electrically driven pushing device which comprises a pushing rod, a rotating wheel and a motor assembly.

Furthermore, the clutch device further comprises a movable guide part and a guide part reset spring, a containing groove for containing the movable guide part is formed in the second clutch part, and a shifting sleeve notch is formed in the position, corresponding to the containing groove, of the second clutch part.

Furthermore, the movable guide piece comprises a sliding block, a limiting lug and a spring cavity for accommodating the guide piece reset spring, a limiting hole for positioning the limiting lug is formed in the bottom shell, and a limiting protrusion for limiting the limiting lug to move is arranged on the limiting hole.

Furthermore, a first guide block capable of sliding on the face shell is arranged on the first clutch piece, and a second guide block capable of sliding on the bottom shell is arranged on the second clutch piece.

Further, the direction of movement of the first clutch and the second clutch is perpendicular to the direction of movement of the main tongue.

Has the advantages that: compared with the prior art, the invention has the advantages of simple and compact structure, small volume, safe and reliable work and high automation degree. Only bump tongue subassembly and main tongue subassembly in the lock, bump tongue subassembly and main tongue subassembly linkage, improve automation, have the locking portion in the main tongue subassembly, through clutch locking and release main tongue subassembly, and clutch can pass through electric drive, also can pass through manual drive, the spare part in the lock body that has significantly reduced has reduced the volume of lock body.

Drawings

The present invention will now be described in further detail with reference to the accompanying drawings.

Fig. 1 is a schematic structural diagram of the locked state of the present invention.

FIG. 2 is a schematic view of the door closing moment according to the present invention.

Fig. 3 is an exploded view of a portion of the structure of the present invention.

FIG. 4 is a schematic bottom structure of the present invention.

Fig. 5-7 are schematic structural views of various parts of the clutch device of the invention.

Detailed Description

As shown in fig. 1-7, which is an embodiment of the present invention, the intelligent lock body includes a lock housing 1, a side plate 2, a latch assembly 3, a main latch assembly 4, a fork assembly 5, a clutch device 6 and a pushing device 7. The lock case 1 is composed of a face case 11 and a bottom case 12.

The latch assembly 3 includes a latch 31, a latch restricting portion 32, a guide plate 33, a first elastic member 34 capable of returning the latch 31, and a restricting portion 35 engaged with the first elastic member 34. In the present embodiment, the end of the latch bolt 31 has an inclined surface, the latch bolt limiting portion 32 is a position lock of the root of the latch bolt 31, the guide plate 33 is an inclined plate, when the door is closed, the latch bolt 31 can be retracted into the side plate 2 under the pressure of the door frame, and when the first elastic member 34 presses the limiting portion 35, the latch bolt 31 can be restored, that is, extended out of the side plate 2.

The main tongue assembly 4 is used for locking the door body, and includes a main tongue 41, a first limiting portion 42, a second limiting portion 43, and a locking portion 44. The first limiting part 42 is matched with the latch limiting part 32 on the latch assembly 3, when the door is opened, after the main latch 31 retracts into the side plate 2, the first limiting part 42 is clamped on the latch limiting part 32, so that the main latch 41 cannot extend out of the side plate 2, and the next smooth door closing is ensured. The main tongue assembly 4 further comprises a second elastic member 45 for pushing the main tongue 41 out of the side plate 2, and the second elastic member 45 of the present embodiment is a torsion spring having a free end engaged with the second restriction portion 43 of the main tongue assembly 4 and being restored by the second elastic member 45 when the main tongue assembly 4 loses the restriction of the external force, that is, the main tongue 41 is protruded out of the side plate 2.

The side plate 2 is positioned on one side of the face shell 11 and the bottom shell 12; the side plate 2 is provided with holes for extension and retraction of the catch tongue 31 and the main tongue 41.

The shifting fork assembly 5 comprises a shifting arm 51, and in the embodiment, the shifting arm 51 can shift the second limiting part 43 on the main tongue assembly 4 to retract the main tongue 41 into the side plate 2.

Clutch device 6 for locking and releasing the main tongue assembly 4, the clutch device 6 comprising a first clutch member 61, a second clutch member 62 and a spring 63 between the two clutch members, the first clutch member 61 being provided with a locking portion 611 for engaging with the locking portion 44 on the main tongue assembly 4. The main tongue assembly 4 is locked when the locking portion 611 is inserted into the locking portion 44, and the main tongue assembly 4 is released when the locking portion 611 is disengaged from the locking portion 44. The first clutch 61 is slidable on the second clutch 62, and the second clutch 62 can disengage the locking portion 611 on the first clutch 61 from the locking portion 44 on the main tongue assembly 4. The first clutch member 61 is provided with a guide boss 612, and the second clutch member 62 is provided with a guide groove 621 which is matched with the guide boss 612. The end 622 of the guide slot 621 is closed, and the end 622 functions as a stopper for the guide projection 612. When the second clutch member 62 is moved away from the main tongue assembly 4 by an external force, the second clutch member 62 pulls the first clutch member 61 together due to the stop of the end 622, thereby disengaging the locking portion 611 from the locking portion 44 of the main tongue assembly 4. In order to enable the clutch device 6 to be unlocked by a key or other manual methods, the clutch device 6 further comprises a movable guide 64 and a guide return spring 65, a containing groove 623 for containing the movable guide 64 is arranged on the second clutch 62, and a sleeve-shifting notch 624 is arranged on the second clutch 62 corresponding to the containing groove 623. The movable guiding element 64 includes a sliding block 641, a limiting protrusion 642 and a spring cavity 643 accommodating the guiding element return spring 65, the bottom case 12 is provided with a limiting hole 121 for positioning the limiting protrusion 642, and the limiting hole 121 is provided with a limiting protrusion 122 for limiting the movement of the limiting protrusion 642. In the embodiment of the present invention, the moving direction of the first clutch member 61 and the second clutch member 62 is perpendicular to the moving direction of the main tongue 41, which enables the locking portion 611 and the locking portion 44 to be locked more firmly when locked.

And an urging means 7 for urging the first clutch member 61 to disengage the locking portion 611 from the locking portion 44 on the main tongue assembly 4. The pushing device 7 of the present embodiment is an electrically driven pushing device, and includes a pushing rod 71, a rotating wheel 72, and a motor assembly 73. The push rod 71 is located at an eccentric position of the rotary wheel 72, and the push rod 71 pushes a member blocking the rotary wheel 72 when it rotates. The urging means 7 can also be other means conventional in the art, provided that it serves the purpose of disengaging the locking portion 611 of the first clutch member 61 from the locking portion 44 on the main tongue assembly 4.

In order to allow the clutch device 6 to stably move in the lock case without rattling, the first clutch member 61 is provided with a first guide block 613 slidable on the face housing 11, and the second clutch member 62 is provided with a second guide block 625 slidable on the bottom housing 12. Accordingly, a guide hole 111 to be engaged with the first guide block 613 is provided at a corresponding position on the face case 11, and a guide hole 123 to be engaged with the second guide block 625 is provided at a corresponding position on the bottom case 12.

The working principle is as follows:

1. when the door is closed, the inclined surface of the latch tongue 31 is pressed by the door frame, the latch tongue 31 retracts to the side plate 2, the latch tongue assembly 3 deviates under the guidance of the guide plate 33, so that the latch tongue limiting part 32 releases the first limiting part 42 in the main tongue assembly 4, the main tongue 41 extends out of the side plate 2 under the action of the second elastic piece 45, when the locking part 44 on the main tongue 41 corresponds to the locking part 611 on the first clutch piece 61, the locking part 611 is inserted into the locking part 44 of the main tongue 41 under the action of the spring 63, so that the main tongue 41 is locked, and the door body is locked.

2. When the door is opened, the door can be unlocked by electric drive, and can also be manually unlocked, wherein the manual unlocking comprises the step of inserting a key into a lock cylinder (not shown) or a handle to unlock, and generally, the manual unlocking can be realized only under the condition of power failure or failure of an electric appliance part. When the door is electrically driven to unlock, after the pushing device 7 receives an unlocking electric signal, the push rod 71 in the pushing device 7 pushes the limiting part 614 on the first clutch piece 61, and then pushes the first clutch piece 61 to move, so that the locking part 611 on the first clutch piece 61 is separated from the locking part 44 on the main bolt 41, at this time, the main bolt 41 is in a release state, the outer door handle (not shown) is rotated, the handle drives the shifting arm 51 in the shifting fork assembly 5 to rotate, the shifting arm 51 drives the third limiting part 43 on the main bolt assembly 4 to move, and then the main bolt 41 is driven to retract into the side plate 2, and the door can be opened. The end of the touch tongue 31 is an inclined surface, so that the door is not limited, when the door is opened, the doorframe presses the inclined surface of the touch tongue 31, and the touch tongue 31 retracts into the side plate, so that the door can be opened smoothly.

When manual unlocking is carried out, the unlocking can be carried out by using a key outside the door or inside the door, and before the unlocking, the movable guide piece 64 cannot move in the accommodating groove 623 when being clamped on one side of the limiting hole 121 due to the action of the return spring 65 of the movable guide piece 64. When a key is inserted into the lock core and the key is twisted to unlock the lock, a shifting sleeve (not shown) on the lock core falls into a shifting sleeve notch 624 on the second clutch part 62 when rotating, meanwhile, the shifting sleeve extrudes the movable guide part 64, a limiting lug 642 on the movable guide part 64 is separated from the limitation of a limiting bulge 122 in the limiting hole 121, the movable guide part 64 can move along with the second clutch part 62, the shifting sleeve continues to rotate, the second clutch part 62 is stirred to move towards the direction far away from the main tongue, and the locking part 611 on the first clutch part 61 is separated from the locking part 44 on the main tongue 41 because the second clutch part 62 of the second clutch part 62 pulls the first clutch part 61 to move, at the moment, the main tongue 41 is in a release state, and the handle is rotated to open the door.

After the door is opened, the collision tongue 31 rebounds under the action of the first elastic piece 34 and extends out of the side plate 2 again,

at this time, the door opener stops rotating the handle, the main tongue 41 rebounds under the action of the second elastic piece 45, but the first limiting part 42 on the main tongue assembly 4 is limited by the collision tongue limiting part 32 on the collision tongue assembly 3, and the main tongue 41 is in a state of retracting the side plate 2, so that the door can be closed, and when the collision tongue assembly 3 collides with the door frame when the door is closed, the main tongue 41 is released.

Claims

1. An intelligent lock body, its characterized in that includes:

the lock shell (1) is composed of a face shell (11) and a bottom shell (12);

the side plate (2) is positioned on one side of the face shell (11) and the bottom shell (12);

a latch assembly (3) including a latch (31), the latch (31) being retractable into the side plate (2) under the pressure of the door frame;

the main tongue assembly (4) is used for locking the door body and comprises a main tongue (41), a first limiting part (42) limited by the collision tongue assembly (3), a second limiting part (43) and a locking part (44);

the shifting fork assembly (5) comprises a shifting arm (51), and the shifting arm (51) can shift a second limiting part (43) on the main tongue assembly (4) to enable the main tongue (41) to retract into the side plate (2);

a clutch device (6) for locking and releasing the main tongue assembly (4), comprising a first clutch member (61), a second clutch member (62) and a spring (63), the first clutch member (61) being provided with a locking portion (611) cooperating with a locking portion (44) on the main tongue assembly (4);

-pushing means (7) for pushing said first clutch member (61) to disengage said locking portion (611) on said first clutch member (61) from said locking portion (44) on said master tongue assembly (4).

2. An intelligent lock body as claimed in claim 1, wherein the latch assembly (3) further comprises a latch limiting portion (32) cooperating with a second limiting portion (43) of the main latch assembly (4), a guide plate (33) for separating the latch limiting portion (32) from the second limiting portion (43), and a first elastic member (34) for restoring the latch (31).

3. A smart lock body according to claim 1, wherein said main tongue assembly (4) further comprises a second resilient member (45) for urging said main tongue (41) out of said side plate (2).

4. A smart lock body as claimed in claim 1, wherein the first clutch member (61) is slidable on the second clutch member (62), the second clutch member (62) being adapted to disengage the locking portion (611) of the first clutch member (61) from the locking portion (44) of the main tongue assembly (4).

5. A lock body as claimed in claim 4, wherein the first clutch member (61) is provided with a guide boss (612), and the second clutch member (62) is provided with a guide slot (621) matched with the guide boss (612).

6. A smart lock body as claimed in claim 1, wherein the urging means (7) is an electrically driven urging means comprising an urging lever (71), a turning wheel (72) and a motor assembly (73).

7. A lock body as claimed in any one of claims 1 to 6, wherein said clutch device (6) further comprises a movable guide member (64) and a guide member return spring (65), said second clutch member (62) is provided with a receiving groove (623) for receiving said movable guide member (64), and said second clutch member (62) is provided with a sleeve-pulling notch (624) at a position corresponding to said receiving groove (623).

8. An intelligent lock body as claimed in claim 7, wherein the movable guide (64) comprises a sliding block (641) and a limit bump (642) and a spring cavity (643) for accommodating the guide return spring (65), the bottom case (12) is provided with a limit hole (121) for positioning the limit bump (642), and the limit hole (121) is provided with a limit protrusion (122) for limiting the movement of the limit bump.

9. An intelligent lock body as claimed in claim 8, wherein the first clutch member (61) is provided with a first guide block (613) which can slide on the face shell (11), and the second clutch member (62) is provided with a second guide block (625) which can slide on the bottom shell (12).

10. A smart lock body as claimed in claim 9, wherein the direction of movement of the first clutch member (61) and the second clutch member (62) is perpendicular to the direction of movement of the main tongue (41).