CN218406961U - Lock cylinder transmission device and door lock with same - Google Patents

Abstract

The application is suitable for the technical field of mechanical transmission, and provides a lock cylinder transmission device and a door lock with the same. The lock cylinder transmission device comprises a transmission assembly and a driving piece, the output end of the driving piece is in driving connection with the input end of the transmission assembly, and the output end of the transmission assembly is used for being inserted into the lock cylinder and can rotate in the lock cylinder to drive the lock cylinder to unlock; the lock cylinder transmission device further comprises a control part, the control part is electrically connected with the driving piece, and the control part is used for controlling the driving piece to drive the output end of the transmission assembly to rotate in the lock cylinder. When utilizing this application scheme to unblank, the user passes through the control part and issues the order of unblanking to the driving piece, and driving piece drive transmission assembly's output is at the lock core internal rotation to make the lock core realize unblanking and handle. The design of this application no longer need use key or fingerprint to unblank, has solved among the prior art because of the key easily loses or the fingerprint easily duplicates the reason and leads to the lower technical problem of lock security.

Description

Lock core transmission device and door lock with same

Technical Field

The application belongs to the technical field of mechanical transmission, and particularly relates to a lock cylinder transmission device and a door lock with the same.

Background

With the rapid development of society, people also pursue high-quality life, and the traditional door lock is opened and closed through a key or a fingerprint. For the key unlocking mode, people not only need to carry a heavy key, but also easily lose the key; aiming at the fingerprint unlocking mode, the fingerprint is very easy to copy, and the fingerprint unlocking has the defects of low safety and high cost.

SUMMERY OF THE UTILITY MODEL

An object of the embodiment of the application is to provide a lock core transmission device and a door lock with the same, and the technical problem that in the prior art, the safety of the door lock is low due to the fact that a key is easily lost or fingerprints are easily copied is solved.

In order to achieve the above object, according to one aspect of the present application, there is provided a lock cylinder transmission device, which includes a transmission assembly and a driving member, an output end of the driving member is in driving connection with an input end of the transmission assembly, and an output end of the transmission assembly is configured to be inserted into a lock cylinder and can rotate in the lock cylinder to drive the lock cylinder to unlock; the lock cylinder transmission device further comprises a control part, the control part is electrically connected with the driving piece, and the control part is used for controlling the driving piece to drive the output end of the transmission assembly to rotate in the lock cylinder.

Optionally, the lock cylinder transmission further comprises a housing, the driving member being connected to the housing; the transmission assembly comprises a first transmission part; the first transmission unit includes: the transmission gear is in driving connection with the output end of the driving piece; the shell is sleeved on the periphery of the fixed gear ring and rotatably arranged on the periphery of the fixed gear ring, the fixed gear ring is used for being fixed with the door body, and the transmission gear is meshed with the inner ring of the fixed gear ring and can rotate along the inner ring of the fixed gear ring; the transmission part is arranged at one end, close to the door body, of the shell, the limiting part is connected with the shell, an accommodating groove is formed in the limiting part, the first end of the transmission part is arranged in the accommodating groove, the second end of the transmission part is inserted into the lock cylinder, and the transmission part forms an output end of the transmission assembly.

Optionally, the transmission assembly further comprises a second transmission part, the second transmission part is a planetary gear box, an input gear of the planetary gear box is in driving connection with the output end of the driving part, and an output shaft of the planetary gear box is in driving connection with the transmission gear.

Optionally, the first transmission portion further includes a limiting member, the limiting member is disposed on the limiting portion, and an end surface of the output shaft of the planetary gear box, which is far away from the driving member, abuts against the limiting member to prevent the transmission gear from moving in the axial direction.

Optionally, the lock cylinder transmission device further comprises a connecting part, the connecting part is arranged between the shell and the door body, a placing groove is formed in the connecting part, a first end of the lock cylinder is arranged in the placing groove, and the lock cylinder is used for being connected with the door body; the connecting part is provided with a first fixing bolt which penetrates through the connecting part and is abutted with the outer surface of the lock core; and a second fixing bolt which penetrates through the connecting part and penetrates into the fixed gear ring is arranged on the connecting part.

Optionally, the lock cylinder transmission device further comprises a bearing, the bearing is arranged between the housing and the fixed gear ring, the bearing is sleeved on the periphery of the fixed gear ring and is fixedly connected with the fixed gear ring, and the housing is sleeved on the periphery of the bearing and is rotatably arranged on the bearing.

Optionally, the control part is a PCB, a bluetooth module is arranged on the PCB, and the bluetooth module is electrically connected with the PCB.

Optionally, the lock cylinder transmission device further comprises a power supply part, the power supply part is arranged inside the shell, and the power supply part is electrically connected with the control part and the driving part to supply power to the control part and the driving part.

According to another aspect of the application, a door lock is provided, wherein the door lock is arranged on a door body; the door lock comprises a lock core and the lock core transmission device, wherein the lock core comprises a lock core body, a lock liner and a lock tongue, the lock core body is fixedly arranged in the door body, the lock liner and the lock tongue are both rotationally arranged on the lock core body, and the lock liner is in driving connection with the lock tongue; the output end of the lock cylinder transmission device is in driving connection with the lock cylinder so as to drive the lock cylinder to unlock.

Optionally, the lock cylinder transmission device is mounted on one side of the door body facing the interior.

The application provides a lock core transmission and have lock of this lock core transmission's beneficial effect lies in: compared with the prior art, when utilizing this application scheme to unblank, the user passes through the control part and assigns the order of unblanking to the driving piece, and driving piece drive transmission assembly's output is at the lock core internal rotation to make the lock core realize unblanking and handle. The design of this application no longer need use key or fingerprint to unblank, has solved among the prior art because of the key easily loses or the fingerprint easily duplicates the reason and leads to the lower technical problem of lock security.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

Fig. 1 is a schematic structural diagram of a door lock with a lock cylinder transmission device according to an embodiment of the present application, which is connected to a door body;

fig. 2 is a schematic structural diagram of a door lock hidden shell body with a lock cylinder transmission device provided by the embodiment of the application;

FIG. 3 is a cross-sectional view of a door lock with a cylinder actuator according to an embodiment of the present application;

fig. 4 is a schematic structural view of the limiting assembly in the accommodating groove according to the embodiment of the present application.

Reference is now made to the following figures, in which:

100. a transmission assembly; 110. a first transmission unit; 111. a transmission gear; 112. fixing the gear ring; 113. a transmission member; 114. a limiting member; 120. a second transmission part; 200. a drive member; 300. a control unit; 400. a power supply unit; 500. a housing; 510. a housing body; 520. a base; 530. a limiting part; 531. accommodating a tank; 600. a connecting portion; 700. a bearing; 800. a lock cylinder; 900. a door body; 1000. a limiting component; 1010. a blocking block; 1020. a limiting block; 1030. a return spring.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of and not restrictive on the broad application.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element. The embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

As described in the background art, people are pursuing high-quality life with the rapid development of society, and conventional door locks are opened and closed by a key or a fingerprint. For the key unlocking mode, people not only need to carry a heavy key, but also easily lose the key; aiming at the fingerprint unlocking mode, the fingerprint is easy to copy, and the fingerprint unlocking has the defects of low safety and high cost.

Referring to fig. 1 to 3, to solve the above problem, according to an aspect of the present application, an embodiment of the present application provides a lock cylinder driving apparatus, which includes a driving assembly 100 and a driving member 200, an output end of the driving member 200 is in driving connection with an input end of the driving assembly 100, and an output end of the driving assembly 100 is configured to be inserted into a lock cylinder 800 and can rotate in the lock cylinder 800 to drive the lock cylinder 800 to unlock. The lock cylinder transmission device further comprises a control part 300, the control part 300 is electrically connected with the driving member 200, and the control part 300 is used for controlling the driving member 200 to drive the output end of the transmission assembly 100 to rotate in the lock cylinder 800.

In the embodiment of the present application, the driving element 200 is a driving motor, the control unit 300 is a controller capable of receiving an external command and outputting a control signal, for example, a PCB or a single chip microcomputer, and the driving motor and the controller are all common knowledge of those skilled in the art, and detailed descriptions thereof are omitted here.

In a specific application, when the unlocking process is performed by using the above design of the present application, a user issues an unlocking command to the control unit 300, the control unit 300 analyzes the unlocking command, and feeds back an analysis signal to the driving member 200 to start the rotation of the driving member 200. The manner in which the control unit 300 is electrically connected to the driver 200 is also well known to those skilled in the art. Then the output end of the driving member 200 drives the input end of the transmission assembly 100 to rotate, and through a series of transmissions, the output end of the transmission assembly 100 will also rotate, and since the output end of the transmission assembly 100 is inserted into the lock cylinder 800 at this time, the output end of the transmission assembly 100 will rotate in the lock cylinder 800 to drive the lock cylinder 800 to realize the unlocking process. The design of this application no longer need use key or fingerprint to unblank and handle, has solved among the prior art because of the key easily loses or the fingerprint easily duplicates and lead to the lower technical problem of lock security. In addition, this design of this application has also improved the convenience of the unlocking operation.

Referring to fig. 1 to 3, the key cylinder transmission in the present embodiment further includes a housing 500, and the driving member 200 is connected to the housing 500; the transmission assembly 100 further comprises a first transmission part 110, the first transmission part 110 comprises a transmission gear 111, a fixed gear ring 112 and a transmission piece 113, and the transmission gear 111 is in driving connection with the output end of the driving piece 200; the shell 500 is sleeved on the periphery of the fixed gear ring 112 and is rotatably arranged on the periphery of the fixed gear ring 112, the fixed gear ring 112 is used for being fixed with the door body 900, and the transmission gear 111 is meshed with the inner ring of the fixed gear ring 112 and can rotate along the inner ring of the fixed gear ring 112; the one end that shell 500 is close to door body 900 is provided with spacing portion 530, and spacing portion 530 is connected with shell 500, has seted up holding tank 531 on the spacing portion 530, and the first end of driving medium 113 sets up in holding tank 531, and in the second end of driving medium 113 inserted lock core 800, driving medium 113 formed the output of drive assembly 100.

In the embodiment of the present application, the driving member 200 is disposed inside the housing 500 and is fixedly connected to the housing 500, for example, by bolts or welding. The end of the outer shell 500 close to the door body 900 is defined as a first end, the first end of the outer shell 500 is open, the limiting part 530 is a combined plate formed by a circular plate with the same inner diameter as the outer shell 500 and a long strip plate extending towards the inside of the outer shell 500, the accommodating groove 531 is formed in the long strip plate, the accommodating groove 531 extends towards the inside of the outer shell 500, the accommodating groove 531 enables the first end of the transmission member 113 to be in driving connection with the outer shell 500, and the limiting part 530 and the inner side wall of the outer shell 500 are designed and manufactured in an integrated manner. There is an installation space between the limiting portion 530 and the first end surface of the housing 500, the transmission gear 111 and the fixed gear ring 112 are both disposed in the installation space, and the fixed gear ring 112 is disposed coaxially with the housing 500. In addition, the lock cylinder 800 is a lock cylinder of a pin tumbler lock, the transmission member 113 is a key capable of unlocking the lock cylinder of the pin tumbler lock, and the lock cylinder 800 is installed in the door body 900 and used for opening and closing the door body 900. The length direction of the lock cylinder 800, the length direction of the transmission member 113, and the length direction of the housing 500 are parallel.

In a specific application, when the lock needs to be unlocked, a user starts the driving element 200 through the control part 300, the driving element 200 drives the transmission gear 111 to rotate, the fixed gear ring 112 is fixedly connected with the door body 900, and the driving element 200 is fixedly connected with the housing 500, so that the driving element 200 in driving connection with the transmission gear 111 drives the housing 500 to rotate along the axis of the fixed gear ring 112 along with the rotation of the transmission gear 111, and meanwhile, the first end of the transmission element 113 is in driving connection with the housing 500 through the accommodating groove 531, so that the second end of the transmission element 113 also rotates in the lock cylinder 800 along with the rotation of the housing 500, thereby realizing the unlocking process. In addition, the driving member 113 is designed to be a key capable of unlocking the cylinder lock core, so that the unlocking processing of the cylinder lock core 800 is facilitated, the traditional cylinder lock core is recycled, the cylinder lock core is utilized in the design of the application, the recycling purpose is achieved, and the production cost is reduced.

Referring to fig. 4, as an alternative manner in the embodiment of the present application, the lock cylinder transmission device includes a limiting component 1000, where the limiting component 1000 is used to fix the transmission member 113 and the limiting portion 530; the limiting assembly 1000 comprises a plurality of blocking blocks 1010, a plurality of limiting blocks 1020 and a plurality of reset springs 1030, the blocking blocks 1010 are sequentially fixedly connected to the groove wall of the accommodating groove 531 at intervals along the length direction of the accommodating groove 531, the blocking blocks 1010 are arranged on two opposite side walls of the accommodating groove 531, a first guide inclined surface is arranged on the end surface, far away from the groove bottom of the accommodating groove 531, of the blocking block 1010, and the first guide inclined surface is inclined towards the direction close to the groove bottom of the accommodating groove 531 gradually from the second end of the transmission part 113 to the first end of the transmission part 113; offer the dwell groove that supplies stopper 1020 to stop on driving medium 113's the side, stopper 1020 is movably set up in the dwell groove, reset spring 1030's first end and the tank bottom fixed connection who stops the groove, reset spring 1030's second end and stopper 1020's first end fixed connection, stopper 1020 is close to the terminal surface of holding tank 531 tank bottom and has been seted up the second direction inclined plane, the second direction inclined plane inclines to the direction of keeping away from holding tank 531 tank wall gradually from 113 second end to driving medium 113's first end, first direction inclined plane can laminate mutually with second direction inclined plane, stopper 1020's second end can be removed to the dwell inslot. In addition, a plurality of limiting blocks 1020 and a plurality of return springs 1030 are arranged on two opposite side surfaces of the transmission member 113.

In specific application, in the process that the first end of the transmission member 113 is inserted into the accommodating groove 531, the second guide inclined surface will be attached to the first guide inclined surface, at this time, along with the continuous downward movement of the transmission member 113, the limiting block 1020 will rebound to the staying groove under the combined action of the first guide inclined surface and the second guide inclined surface, and after the first end of the transmission member 113 moves to the designated position, the limiting block 1020 located at the outermost edge of the first end of the transmission member 113 will be blocked by the blocking block 1010 closest to the bottom of the accommodating groove 531, so as to limit the transmission member 113.

Referring to fig. 2 and 3, the transmission assembly 100 further includes a second transmission part 120 in the present embodiment, the second transmission part 120 is a planetary gearbox, an input gear of the planetary gearbox is in driving connection with an output end of the driving member 200, and an output shaft of the planetary gearbox is in driving connection with the transmission gear 111.

In the embodiment of the present application, the planetary gear box is disposed inside the casing 500 and is fixedly connected to the casing 500, for example, by bolts or welding. The input gear of the planetary gear box is coaxial and fixedly connected with the output shaft of the driving motor, the transmission gear 111 is sleeved on the periphery of the output shaft of the planetary gear box and is coaxially arranged with the output shaft of the planetary gear box, two limiting grooves are formed in the outer surface of the output shaft of the planetary gear box and are oppositely arranged, and the lower surface of the transmission gear 111 is abutted against the groove bottoms of the limiting grooves, so that the transmission gear 111 is connected with the output shaft of the planetary gear box. The planetary gear box achieves the effects of stable transmission, small volume and low noise.

In other examples, the second transmission part 120 may also be a spur gear box, the spur gear box is disposed inside the outer shell 500 and is fixedly connected with the outer shell 500, an input gear of the spur gear box is coaxially and fixedly connected with an output shaft of the driving member 200, and the transmission gear 111 is sleeved on an outer periphery of the output shaft of the spur gear box and is coaxially and fixedly connected with the output shaft of the spur gear box. The spur gear box achieves the effects of stable transmission, small volume and low noise.

As an alternative to the embodiment of the present application, the driving member 200 is a hollow cup motor, and an output shaft of the hollow cup motor is in driving connection with an input end of the second transmission part 120. The hollow cup motor has the advantages of small counter drive force and energy conservation.

Referring to fig. 3, as an optional manner in the embodiment of the present application, the first transmission portion 110 further includes a limiting member 114, the limiting member 114 is disposed on the limiting portion 530, and an end surface of the output shaft of the planetary gear box away from the driving member 200 abuts against the limiting member 114 to prevent the transmission gear 111 from moving in the axial direction.

In this optional manner, the limiting member 114 is a limiting cover plate, the limiting cover plate is fixedly connected to the limiting portion 530 through a bolt, and the limiting member 114 is arranged to perform a limiting function, so that the possibility that the transmission gear 111 is separated from the output shaft of the planetary gear box is avoided.

In addition, in this optional mode, a snap spring is arranged between the transmission gear 111 and the limiting member 114, and the snap spring is sleeved on an output shaft of the planetary gear box. The snap spring is further arranged to prevent the transmission gear 111 from moving in the axial direction.

Referring to fig. 1 to 3, the lock cylinder transmission device in this example further includes a connection portion 600, the connection portion 600 is disposed between the housing 500 and the door body 900, a placement groove is formed on the connection portion 600, a first end of the lock cylinder 800 is disposed in the placement groove, and the lock cylinder 800 is used for being connected with the door body 900. The connecting portion 600 is provided with a first fixing bolt which penetrates through the connecting portion 600 and abuts against the outer surface of the lock cylinder 800. The connecting portion 600 is provided with a second fixing bolt which penetrates through the connecting portion 600 and penetrates into the fixed ring gear 112.

In this embodiment, the lock core 800 includes a lock core body, a lock core and a lock tongue, wherein the lock core body is fixedly connected to the door body 900, the lock core and the lock tongue are both rotatably disposed on the lock core body, the lock core is drivingly connected to the lock tongue, and the specific connection structure all belongs to the common general knowledge of the technical personnel in the art, and is not described in detail herein. The standing groove is opened on the terminal surface that shell 500 was kept away from to connecting portion 600, and first fixing bolt's length direction is mutually perpendicular with lock core 800's length direction, first fixing bolt and lock core body looks butt, and the first fixing bolt of setting makes connecting portion 600 realize being connected with lock core 800. The length direction of the second fixing bolt is parallel to the length direction of the lock cylinder 800, the second fixing bolt enables the connecting part 600 to be connected with the fixing gear ring 112, and meanwhile, because the lock cylinder body is connected with the door body 900, the fixing gear ring 112 is fixedly connected with the door body 900.

Referring to fig. 3, as an optional way in the embodiment of the present application, the lock cylinder transmission device further includes a bearing 700, the bearing 700 is disposed between the housing 500 and the fixed gear ring 112, the bearing 700 is disposed on the outer periphery of the fixed gear ring 112 and is fixedly connected with the fixed gear ring 112, and the housing 500 is disposed on the outer periphery of the bearing 700 and is rotatably disposed on the bearing 700. The bearing 700 plays a role in supporting and transition, so that the rotation resistance of the shell 500 is reduced, the abrasion of the fixed gear ring 112 is reduced, and the service life of the lock cylinder transmission device is prolonged.

The control part 300 in this embodiment is a PCB, and a bluetooth module is disposed on the PCB and electrically connected to the PCB. When the user need unblank, assign the instruction of unblanking to the bluetooth module on the PCB through APP on terminals such as cell-phone, bluetooth module feeds back corresponding signal of telecommunication to PCB, and PCB analysis will be corresponding signal of unblanking after this signal of telecommunication feedback to driving piece 200, and it is rotatory that driving piece 200 receives the input gear that starts and drive planetary gear box after the signal. The above steps are all common knowledge of the skilled person. In addition, the control portion 300 is disposed on a side of the driving member 200 away from the transmission assembly 100.

Referring to fig. 3, the key cylinder driving apparatus in this embodiment further includes a power supply part 400, the power supply part 400 is disposed inside the housing 500, and the power supply part 400 is electrically connected to the control part 300 and the driving member 200 to supply power to the control part 300 and the driving member 200. In the embodiment of the present application, the power supply part 400 is a rechargeable lithium battery, the power supply part 400 is disposed at one side of the driving member 200 and the transmission assembly 100, and the power supply part 400 is electrically connected to the control part 300 and the driving member 200 according to the common knowledge of those skilled in the art, and will not be described in detail herein.

Referring to fig. 3, as an alternative way in the embodiment of the present application, the casing 500 includes a casing body 510 and a base 520, the casing body 510 is made of transparent material, the casing body 510 is detachably connected to the base 520, and the casing body 510 is roughly in the shape of a cylinder with one open end; the control part 300 is arranged on the end surface of the base 520 facing the shell body 510, and the control part 300 is fixedly connected with the base 520; the driving member 200, the transmission assembly 100 and the power supply part 400 are disposed in the case body 510.

In this optional mode, the terminal surface that base 520 is close to shell body 510 is provided with a plurality of joint pieces along circumference, and a plurality of joint grooves with joint piece matched with are seted up along circumference to the inside wall of shell body 510, and shell body 510 is connected through the joint in joint piece and joint groove with base 520.

Referring to fig. 1, according to another aspect of the present application, an embodiment of the present application further provides a door lock, where the door lock is installed on a door body 900, the door lock includes a lock cylinder 800 and the above-mentioned lock cylinder transmission device, the lock cylinder 800 includes a lock cylinder body, a lock cylinder and a lock tongue, the lock cylinder body is fixedly installed in the door body 900, the lock cylinder is in driving connection with the lock cylinder, and both the lock cylinder and the lock tongue are rotatably installed on the lock cylinder body; the output end of the lock cylinder transmission device is in driving connection with the lock cylinder to drive the lock cylinder 800 to unlock.

In the embodiment of the present application, the lock cylinder body, the cylinder and the latch bolt all belong to the common knowledge of those skilled in the art, and are not described in detail herein. The first end of lock core body sets up in the standing groove. The second end of the transmission member 113 is inserted into the cylinder to perform the unlocking process.

Referring to fig. 1, the key cylinder driving apparatus in this embodiment is installed at a side of the door body 900 facing the inside of the room. When a user needs to unlock, an unlocking instruction is issued to the driving part 200 through the control part 300, the driving part 200 drives the input gear of the planetary gear box to rotate, the output shaft of the planetary gear box drives the transmission gear 111 to rotate along the inner ring of the fixed gear ring 112, and therefore the transmission part 113 is driven to rotate in the lock cylinder 800, and unlocking processing is achieved. The design greatly improves the safety.

In addition, because the coreless motor has the advantage of small back-driving force, the driving member 200 is designed by the coreless motor so that the user can manually drive the housing 500 to rotate, and then the driving member 113 is driven to rotate in the lock cylinder 800, so as to realize the unlocking process. In the specific application, when the user is indoors, the user can unlock the lock by manually rotating the housing 500, and also can issue a start command to the driving member 200 through the control part 300, thereby unlocking the lock.

In summary, the lock cylinder transmission device and the door lock with the lock cylinder transmission device provided by the embodiment at least have the following beneficial technical effects: when the scheme of the application is used for unlocking, a user issues an unlocking command to the driving piece 200 through the control part 300, and the driving piece 200 drives the output end of the transmission assembly 100 to rotate in the lock cylinder 800, so that the lock cylinder 800 realizes unlocking processing. The design of this application no longer need use key or fingerprint to unblank, has solved among the prior art because of the key easily loses or the fingerprint easily duplicates the reason and leads to the lower technical problem of lock security.

The present invention is not intended to be limited to the particular embodiments shown and described, but is to be accorded the widest scope consistent with the principles and novel features herein disclosed.

Claims (10)

1. The lock cylinder transmission device is characterized by comprising a transmission assembly (100) and a driving piece (200), wherein the output end of the driving piece (200) is in driving connection with the input end of the transmission assembly (100), and the output end of the transmission assembly (100) is used for being inserted into a lock cylinder (800) and can rotate in the lock cylinder (800) to drive the lock cylinder (800) to be unlocked;

the lock cylinder transmission device further comprises a control part (300), the control part (300) is electrically connected with the driving part (200), and the control part (300) is used for controlling the driving part (200) to drive the output end of the transmission assembly (100) to rotate in the lock cylinder (800).

2. The cylinder drive according to claim 1, characterized in that it further comprises a housing (500), the driver (200) being connected to the housing (500); the transmission assembly (100) comprises a first transmission portion (110);

the first transmission unit (110) includes:

the transmission gear (111) is in driving connection with the output end of the driving piece (200);

the shell (500) is sleeved on the periphery of the fixed gear ring (112) and is rotatably arranged on the periphery of the fixed gear ring (112), the fixed gear ring (112) is used for being fixed with a door body (900), and the transmission gear (111) is meshed with the inner ring of the fixed gear ring (112) and can rotate along the inner ring of the fixed gear ring (112);

driving medium (113), shell (500) are close to the one end of the door body (900) is provided with spacing portion (530), spacing portion (530) with shell (500) are connected, holding tank (531) have been seted up on spacing portion (530), the first end of driving medium (113) set up in holding tank (531), the second end of driving medium (113) inserts in lock core (800), driving medium (113) form the output of drive assembly (100).

3. The lock cylinder transmission according to claim 2, characterized in that the transmission assembly (100) further comprises a second transmission part (120), the second transmission part (120) being a planetary gearbox, an input gear of the planetary gearbox being in driving connection with an output of the drive member (200), an output shaft of the planetary gearbox being in driving connection with the transmission gear (111).

4. The lock cylinder transmission device according to claim 3, characterized in that the first transmission part (110) further comprises a limiting member (114), the limiting member (114) is disposed on the limiting portion (530), and an end surface of the output shaft of the planetary gearbox far from the driving member (200) abuts against the limiting member (114) to prevent the transmission gear (111) from moving in the axial direction.

5. The lock cylinder transmission device according to claim 4, further comprising a connecting portion (600), wherein the connecting portion (600) is disposed between the outer shell (500) and the door body (900), a placement groove is disposed on the connecting portion (600), a first end of the lock cylinder (800) is disposed in the placement groove, and the lock cylinder (800) is used for being connected with the door body (900);

a first fixing bolt which penetrates through the connecting part (600) and is abutted with the outer surface of the lock cylinder (800) is arranged on the connecting part (600);

and a second fixing bolt which penetrates through the connecting part (600) and penetrates into the fixed gear ring (112) is arranged on the connecting part (600).

6. The lock cylinder transmission device according to claim 4, further comprising a bearing (700), wherein the bearing (700) is disposed between the housing (500) and the fixed gear ring (112), the bearing (700) is disposed on the outer periphery of the fixed gear ring (112) and is fixedly connected with the fixed gear ring (112), and the housing (500) is disposed on the outer periphery of the bearing (700) and is rotatably disposed on the bearing (700).

7. The lock cylinder transmission device according to claim 1, characterized in that the control part (300) is a PCB, and a Bluetooth module is arranged on the PCB and electrically connected with the PCB.

8. The key cylinder transmission according to claim 2, further comprising a power supply part (400), the power supply part (400) being disposed inside the housing (500), the power supply part (400) being electrically connected with the control part (300) and the driving part (200) to supply power to the control part (300) and the driving part (200).

9. A door lock is characterized in that the door lock is arranged on a door body (900); the door lock comprises a lock cylinder (800) and the lock cylinder transmission device of any one of claims 1 to 8, wherein the lock cylinder (800) comprises a lock cylinder body, a lock cylinder and a bolt, the lock cylinder body is fixedly arranged in the door body (900), the lock cylinder and the bolt are both rotatably arranged on the lock cylinder body, and the lock cylinder is in driving connection with the bolt; the output end of the lock cylinder transmission device is in driving connection with the lock cylinder so as to drive the lock cylinder (800) to unlock.

10. The door lock according to claim 9, wherein the key cylinder driving means is installed at a side of the door body (900) facing the inside of the room.

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