CN108278047B

CN108278047B - Antitheft lock

Info

Publication number: CN108278047B
Application number: CN201810137514.XA
Authority: CN
Inventors: 龙胜雄; 王金奎
Original assignee: Shenzhen Romans Smart Home Co ltd
Current assignee: Shenzhen Romans Smart Home Co ltd
Priority date: 2018-02-10
Filing date: 2018-02-10
Publication date: 2023-09-08
Anticipated expiration: 2038-02-10
Also published as: CN108278047A

Abstract

The invention relates to an anti-theft lockset which comprises a lock tongue driving device, wherein the lock tongue driving device comprises a power part and a lock tongue, the lock tongue is connected with the power part through a transmission assembly, and the power part drives the lock tongue to rotate and stretch out and draw back. The power part drives the bolt to stretch out and draw back to realize intelligent unlocking or locking, and simultaneously, the sliding mode is replaced by the mode of autorotation and stretching out and drawing back of the bolt, so that the anti-theft performance is greatly improved.

Description

Antitheft lock

Technical Field

The invention relates to the technical field of locks, in particular to an anti-theft lock.

Background

The quality of the burglary-resisting door on the market at present in China is uneven, almost all lock bodies are sliding, lock bolts are mainly cylindrical or square, the purpose of opening and closing the lock is achieved by twisting a travel block in the lock body through external force, the lock bodies are complex in structure, various in fittings and large in failure rate, can not be matched with an intelligent lock on the rise, and meanwhile, the burglary-resisting door is poor in defensive performance and low in burglary-resisting performance.

Disclosure of Invention

The invention aims to solve the technical problems of poor intelligence and anti-theft performance of the existing lock cylinder.

The technical scheme adopted for solving the technical problems is as follows: the utility model provides a spring bolt drive arrangement, including power division and spring bolt, the spring bolt passes through drive assembly and is connected with power division, power division drive spring bolt rotation and flexible.

Further, the free end of the lock tongue is provided with external threads, and the connecting end of the lock tongue is in transmission connection with the power part.

Further, the spring bolt drive arrangement still includes the fixing base, drive assembly is including the fixed block that is equipped with the screw hole, fixed block, power portion are fixed on the fixing base, the link and the power portion transmission of spring bolt are connected, and its free end passes screw hole and fixed block threaded connection.

Further, the transmission assembly further comprises a main gear and a secondary gear, the secondary gear is rotatably arranged on the fixed seat, and the main gear is in transmission connection with the power part and meshed with the secondary gear; the connecting end of the lock tongue is coaxially connected with the secondary gear.

Further, a non-circular special-shaped hole is formed in the center of the secondary gear, and the outer contour of the connecting end of the lock tongue is matched with the special-shaped hole and is inserted into the special-shaped hole in a sliding mode.

Further, the lock tongue driving device further comprises a manual gear, and the manual gear is provided with a key hole and meshed with the main gear or the secondary gear.

Further, the power part is a motor, and the main gear and the secondary gear are bevel gears.

Further, the lock tongue is rotatably arranged on the fixed seat in a penetrating way, and a limiting piece which can be abutted against the fixed seat is sleeved on the lock tongue.

The invention also provides an anti-theft lockset which comprises the lock tongue driving device, a fixed plate provided with a lock hole and an electric control system, wherein the electric control system controls a power part of the lock tongue driving device to drive the lock tongue to rotate and extend into the lock hole.

Further, the free end of the lock tongue is provided with external threads, the connecting end of the lock tongue is in transmission connection with the power part, the lock hole is internally provided with internal threads matched with the external threads of the lock tongue, and the lock tongue can be screwed into the lock hole.

Compared with the prior art, the lock tongue driving device provided by the invention realizes intelligent unlocking or locking by driving the lock tongue to stretch and retract through the power part, and simultaneously greatly improves the anti-theft performance by replacing a sliding mode through the mode of rotating and stretching the lock tongue.

Drawings

The invention will be further described with reference to the accompanying drawings and examples, in which:

fig. 1 is a schematic structural view of a latch bolt driving device provided by the invention;

FIG. 2 is a schematic view of another embodiment of a tongue driver provided by the present invention;

fig. 3 is a schematic structural diagram of the anti-theft lock provided by the invention.

Detailed Description

Preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings.

As shown in fig. 1 and 2, the present invention provides a locking bolt driving device 100, which comprises a power unit 10 and a locking bolt 20, wherein the locking bolt 20 is connected with the power unit 10 through a transmission assembly 30, and the power unit 10 drives the locking bolt 20 to rotate and stretch. The power part 10 drives the bolt 20 to stretch and retract to realize intelligent unlocking or locking, and simultaneously, the bolt 20 rotates and stretches to replace a sliding mode, so that the anti-theft performance is greatly improved.

In this embodiment, the free end of the lock tongue 20 is provided with external threads, and the connection end thereof is in transmission connection with the power part 10, so that when in use, the lock tongue driving device 100 can be installed on a door, then a screw hole matched with the external threads is formed in a door frame, and the power part 10 drives the lock tongue 20 to rotate and screw into the screw hole, thereby realizing locking. Specifically, the latch tongue 20 may be a screw.

Further, the lock tongue driving device 100 further includes a fixing base 40, the transmission assembly 30 includes a fixing block 31 with a threaded hole, the fixing block 31 and the power portion 10 are fixed on the fixing base 40, the connecting end of the lock tongue 20 is in transmission connection with the power portion 10, and the free end of the lock tongue is in threaded connection with the fixing block 31 through the threaded hole. Because the lock tongue 20 is in threaded connection with the fixed block, the lock tongue can axially move along the threaded hole when the power part 10 drives the lock tongue to rotate, and the expansion and contraction of the lock tongue are skillfully realized.

In this embodiment, the transmission assembly 30 further includes a main gear 32 and a secondary gear 33, the secondary gear 33 is rotatably mounted on the fixed seat 40, and the main gear 32 is in transmission connection with the power unit 10 and is meshed with the secondary gear 33; the connecting end of the tongue 20 is coaxially connected to the secondary gear 33. Wherein, power portion 10 is the motor, and main gear 32 and secondary gear 33 are the helical gear, and helical gear meshing precision is high, and transmission noise is little.

In other embodiments, the primary gear 32 and the secondary gear 33 may also be other shaped gears, such as cylindrical gears, bevel gears, and the like.

In order to make the secondary gear 33 not only drive the lock tongue 20 to rotate, but also not prevent the expansion and contraction of the lock tongue 20, the center of the secondary gear 33 is provided with a non-circular special-shaped hole 1, and the outer contour of the connecting end of the lock tongue 20 is matched with the special-shaped hole 1 and is inserted in the special-shaped hole 1 in a sliding manner. Referring to fig. 2, the connecting end of the lock tongue 20 is cut to form a cutting plane, and a boss surface matching with the cutting plane is formed in the shaped hole 1, i.e. the lock tongue can rotate along with the secondary gear 33 and can slide relatively to the secondary gear 33.

Further, the lock tongue 20 is rotatably inserted in the fixed seat 40, and the lock tongue 20 is sleeved with a limiting member 21 capable of abutting against the fixed seat 40, so that the lock tongue 20 can be prevented from excessively extending, and the problem that the lock tongue 20 and the secondary gear 33 fall off is solved. Wherein the stop 21 may be a nut.

In order to prevent the motor from being damaged and causing the problem of not being able to electrically unlock, the tongue driving device 100 further includes a manual gear 50, and the manual gear 50 is rotatably mounted on the fixing base 40, has a key hole 51 formed therein, and is engaged with the main gear 32 or the sub gear 33. When the motor is damaged and cannot work, a key can be inserted into the key hole 51, and the manual gear 50 is rotated to drive the secondary gear 33 to rotate, so that manual unlocking or locking is realized.

In other embodiments, the power unit 10 may include a power unit that drives the locking bolt to rotate and a power unit that drives the locking bolt to extend and retract.

In other embodiments, the number of locking tabs 20 may be multiple, such as three. Each bolt 20 is simultaneously extended or simultaneously retracted.

As shown in fig. 3, the present invention further provides an anti-theft lock, which includes the above-mentioned lock tongue driving device 100, a fixing plate 200 provided with a lock hole 210, and an electric control system (not shown), wherein the electric control system controls the power unit 10 of the lock tongue driving device to drive the lock tongue 20 to rotate and extend into the lock hole 210, so as to realize automatic unlocking or locking. Specifically, the free end of the lock tongue 20 is provided with external threads, the connecting end of the lock tongue 20 is in transmission connection with the power part 10, the lock hole 210 is internally provided with internal threads matched with the external threads of the lock tongue 20, the lock tongue 20 can be screwed into the lock hole 210, the thread locking is realized, and the anti-theft performance is greatly improved. Wherein, fixed plate 200 is wear-resisting metal sheet, and during the use, fixed plate 200 installs on the door frame, and spring bolt drive arrangement 100 installs on the door, and during the lock door, drive spring bolt 20 screw in lockhole 210 through control system control power part 10, realize automatic lock.

It should be understood that the foregoing embodiments are merely illustrative of the technical solutions of the present invention, and not limiting thereof, and that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art; all such modifications and substitutions are intended to be included within the scope of this disclosure as defined in the following claims.

Claims

1. The anti-theft lockset is characterized by comprising a lock tongue driving device, a fixed plate provided with a lock hole and an electric control system, wherein the lock tongue driving device comprises a power part and a lock tongue, the lock tongue is connected with the power part through a transmission assembly, and the power part drives the lock tongue to rotate and stretch out and draw back;

the free end of the lock tongue is provided with external threads, and the connecting end of the lock tongue is in transmission connection with the power part;

the spring bolt driving device further comprises a fixed seat, the transmission assembly comprises a fixed block provided with a threaded hole, the fixed block and the power part are fixed on the fixed seat, the connecting end of the spring bolt is in transmission connection with the power part, and the free end of the spring bolt passes through the threaded hole to be in threaded connection with the fixed block;

the transmission assembly further comprises a main gear and a secondary gear, the secondary gear is rotatably arranged on the fixed seat, and the main gear is in transmission connection with the power part and meshed with the secondary gear; the connecting end of the lock tongue is coaxially connected with the secondary gear;

the center of the secondary gear is provided with a non-circular special-shaped hole, and the outer contour of the connecting end of the lock tongue is matched with the special-shaped hole and is inserted into the special-shaped hole in a sliding manner;

the electric control system controls the power part of the lock tongue driving device to drive the lock tongue to rotate and extend into the lock hole.

2. The anti-theft lock according to claim 1, wherein the lock tongue driving device further comprises a manual gear provided with a key hole and meshed with the main gear or the sub gear.

3. The anti-theft lock according to any one of claims 1 to 2, wherein the power portion is a motor and the primary and secondary gears are helical gears.

4. The anti-theft lock according to any one of claims 1 to 2, wherein the lock tongue is rotatably inserted into the fixing seat, and a limiting member capable of abutting against the fixing seat is sleeved on the lock tongue.

5. The antitheft lock according to claim 1, wherein the free end of the lock tongue is provided with an external thread, the connecting end is in transmission connection with the power part, the lock hole is internally provided with an internal thread matched with the external thread of the lock tongue, and the lock tongue can be screwed into the lock hole.