CN218406960U - Unlocking device and door lock with same - Google Patents

Abstract

This application is applicable to lock technical field, provides an unlocking means and has this unlocking means's lock. The unlocking device comprises a transmission part, and the output end of the transmission part is in driving connection with the lock cylinder so as to drive the lock cylinder to unlock; the lock core is provided with a first end provided with a main key, a second end used for inserting a spare key, the main key forms an output end of the transmission part, the main key is provided with an unlocking position which can penetrate into the lock core and rotate in the lock core, and an avoiding position which can be ejected outwards from the lock core by the spare key and is separated from the lock core. And a reset piece for switching the main key from the avoiding position to the unlocking position is arranged at one end of the main key, which is far away from the lock cylinder. The unlocking device further comprises a control part, and the control part is electrically connected with the transmission part. The design of this application not only is convenient for utilize the control part to realize unblanking, also is convenient for simultaneously utilize spare key to realize unblanking under the circumstances such as outage, has avoided unnecessary expense.

Description

Unlocking device and door lock with same

Technical Field

The application belongs to the technical field of door locks, and particularly relates to an unlocking device and a door lock with the unlocking device.

Background

With the rapid development of the society, people are pursuing high-quality life, and the existing door lock is electronic door lock mostly, generally utilizes fingerprint or APP control to unblank, but these electronic door lock all are one-way door locks, if abnormal conditions such as outage appear, the user can only seek the company of unblanking to assist and unblank, not only waste time and energy, still can increase a not little expense simultaneously.

SUMMERY OF THE UTILITY MODEL

An object of the embodiment of the application is to provide an unlocking device and a door lock with the unlocking device, and the unlocking device and the door lock with the unlocking device aim at solving the technical problem that an electronic door lock cannot be unlocked under the condition of power failure in the prior art.

In order to achieve the above object, according to one aspect of the present application, there is provided an unlocking device, which includes a transmission part, an output end of the transmission part is used for being in driving connection with a lock cylinder to drive the lock cylinder to unlock; the lock core is provided with a first end provided with a main key, a second end of the lock core is used for inserting a spare key, the main key forms an output end of the transmission part, and the main key is provided with an unlocking position which can penetrate into the lock core and rotate in the lock core and an avoiding position which can be ejected outwards from the lock core by the spare key and is separated from the lock core. And a reset piece is arranged at one end of the main key, which is far away from the lock cylinder, and the reset piece is used for switching the main key from an avoiding position to an unlocking position. The unlocking device also comprises a control part which is electrically connected with the transmission part so as to control the main key to rotate in the lock cylinder.

Optionally, the transmission portion includes a first transmission assembly and a driving member, an output end of the driving member is in driving connection with an input end of the first transmission assembly, and the control portion is electrically connected with the driving member. The first transmission assembly comprises a transmission gear and a transmission gear ring, the transmission gear is in driving connection with the output end of the driving piece, the transmission gear forms the input end of the first transmission assembly, the transmission gear ring is used for being fixedly connected with the door body, and the transmission gear is meshed with the inner ring of the transmission gear ring and can rotate along the inner ring of the transmission gear ring; the unlocking device also comprises a protective shell, and the driving piece is arranged in the protective shell and is connected with the protective shell; the protective shell is sleeved on the periphery of the transmission gear ring and is rotatably arranged on the periphery of the transmission gear ring; one end of the protective shell, which is close to the lock cylinder, is provided with a limiting part, the limiting part is connected with the protective shell, a placing groove is formed in the limiting part, the first end of the main key is arranged in the placing groove, the second end of the main key can be inserted into the lock cylinder, and one end, which is far away from the main key, of the reset piece is fixedly connected to the bottom of the placing groove.

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

Optionally, the first transmission assembly further includes a limiting member, the limiting member is covered on the transmission gear, and an end surface of the output end of the second transmission assembly, 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 unlocking device further comprises a connecting piece, the connecting piece is arranged between the protective shell and the door body, an embedded groove for embedding the lock cylinder is formed in the connecting piece, a first fixing bolt which penetrates through the connecting piece and abuts against the outer surface of the lock cylinder is arranged on the outer surface of the connecting piece, and the connecting piece and the lock cylinder are fixedly connected through the first fixing bolt.

Optionally, the unlocking device further comprises a sliding piece, the sliding piece is arranged between the protective shell and the transmission gear ring, the sliding piece is sleeved on the periphery of the transmission gear ring and is fixedly connected with the transmission gear ring, and the protective shell is sleeved on the periphery of the sliding piece and is rotatably arranged on the sliding piece.

Optionally, the protective housing comprises a housing body and a base, the housing body is rotatably arranged at the periphery of the sliding part, the limiting part is fixedly connected to the end face, close to the lock cylinder, of the housing body, the base is arranged at one end, far away from the lock cylinder, of the housing body, a clamping block is arranged on the base, a clamping groove is formed in the inner wall of the housing body, and the base and the housing body are connected through clamping of the clamping block and the clamping groove.

Optionally, the control part comprises a PCB, the PCB is electrically connected with the transmission part, and the PCB is provided with a bluetooth module. The PCB is electrically connected with the driving member.

Optionally, the unlocking device further comprises a power supply part 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, the door lock is installed on a door body, the door lock comprises a lock cylinder and the unlocking device, the unlocking device is installed on one side of the door body facing the interior, the first end of the lock cylinder faces the interior, and the second end of the lock cylinder faces the exterior.

The application provides an unlocking means's beneficial effect lies in: compared with the prior art, before the lock cylinder is unlocked, the main key is in the unlocking position under the action of the reset piece, namely, the main key is inserted into the lock cylinder, under the normal condition, a user reaches an unlocking instruction to the control part, the control part analyzes the unlocking instruction and feeds back an analysis signal to the transmission part, and after the transmission part receives a corresponding instruction, the output end of the transmission part, namely, the main key rotates in the lock cylinder, so that unlocking is realized. Under the abnormal conditions of power failure and the like, a user can insert the standby key from the second end of the lock cylinder, along with the insertion of the standby key, the main key is switched from the unlocking position to the avoiding position until the standby key is completely inserted into the lock cylinder, at the moment, the main key is completely separated from the lock cylinder, and then the user can utilize the standby key to realize unlocking. The utility model provides a this kind of design not only is convenient for utilize the control part to realize unblanking, has improved the convenience of the operation of unblanking, also is convenient for simultaneously utilize spare key to realize unblanking under the abnormal conditions such as outage, has avoided unnecessary expense, has improved this unlocking means's practicality and convenience.

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 an unlocking device according to an embodiment of the present application, which is connected to a door body;

fig. 2 is a schematic structural view of a concealed shell body of a door lock with an unlocking device provided by the embodiment of the application after;

FIG. 3 is a sectional view of a door lock with an unlocking device according to an embodiment of the present application;

fig. 4 is a schematic structural diagram of a door lock with an unlocking device provided in an embodiment of the present application;

FIG. 5 is a schematic view of a structure in which only one set of fixing assemblies is matched with a connecting piece and a lock cylinder according to an embodiment of the present application;

FIG. 6 is an enlarged schematic view at A in FIG. 5;

fig. 7 is a schematic structural view of a case body to which only one set of connecting members is coupled according to an embodiment of the present disclosure;

fig. 8 is an enlarged schematic view at B in fig. 7.

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

100. a transmission part; 110. a first transmission assembly; 111. a transmission gear; 112. a transmission gear ring; 113. a stopper; 120. a second transmission assembly; 130. a drive member; 200. a lock cylinder; 210. a lock cylinder body; 220. a lock liner; 230. a lock bolt; 300. a primary key; 400. a control unit; 500. a protective shell; 510. a housing body; 520. a base; 521. a clamping block; 530. a limiting part; 531. a placement groove; 600. a reset member; 700. a connecting member; 710. a first fixing bolt; 720. a second fixing bolt; 800. a slider; 900. a power supply unit; 1000. a door body; 1100. a fixing component; 1110. a fixed block; 1120. fixing the spring; 1200. a connection assembly; 1210. a sliding plate; 1220. a limiting rod; 1230. a limiting spring; 1240. a reset rope; 1250. and a fixed pulley.

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 are used in an orientation or positional relationship indicated in the drawings for convenience in describing the application and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be constructed in operation as a limitation of the 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, at present, with the rapid development of society, people also pursue high-quality life, most of existing door locks are electronic door locks, generally, the electronic door locks are unlocked by using fingerprints or APP control, but the electronic door locks are all one-way door locks, and if abnormal conditions such as power failure occur, a user can only seek an unlocking company to assist unlocking, so that not only is time and energy wasted, but also a small amount of expenses are increased.

Referring to fig. 1 to 3, in order to solve the above problems, according to an aspect of the present application, an embodiment of the present application provides an unlocking device, which includes a transmission portion 100, an output end of the transmission portion 100 is used for being in driving connection with a lock cylinder 200 to drive the lock cylinder 200 to unlock; the first end of the lock cylinder 200 is provided with a primary key 300, the second end of the lock cylinder 200 is used for inserting a spare key, the primary key 300 forms an output end of the transmission part 100, the primary key 300 has an unlocking position which can penetrate into the lock cylinder 200 and can rotate in the lock cylinder 200, and an avoiding position which can be ejected outwards from the lock cylinder 200 by the spare key and is separated from the lock cylinder 200. The end of the main key 300 far away from the lock cylinder 200 is provided with a reset piece 600, and the reset piece 600 is used for switching the main key 300 from the avoiding position to the unlocking position. The unlocking device further includes a control part 400, and the control part 400 is electrically connected to the transmission part 100 to control the primary key 300 to rotate in the key cylinder 200.

In the embodiment of the present application, the lock cylinder 200 is a C-class double-sided cylinder lock cylinder 200, but in other examples, the lock cylinder 200 may also be other lock cylinders 200 with both ends capable of being inserted with a key and being unlocked. The primary key 300 and the spare key have the same structure, and the reset member 600 is a reset spring. The control part 400 is a controller, such as a PCB or a single chip microcomputer, capable of receiving an external command and outputting a control signal, and the device belongs to common knowledge of those skilled in the art and will not be described in detail herein.

In specific application, before the lock cylinder 200 is unlocked, the main key 300 is in the unlocking position under the action of the reset piece 600, that is, the main key is inserted into the lock cylinder 200, under normal conditions, a user issues an unlocking instruction to the control part 400, the control part 400 analyzes the unlocking instruction and feeds back an analysis signal to the transmission part 100, after the transmission part 100 receives a corresponding instruction, the output end of the transmission part 100, namely the main key 300, rotates in the lock cylinder 200, so that unlocking is realized, and the transmission steps of the electric signals belong to the common knowledge of technicians in the field. Under the abnormal conditions such as power failure, a user can insert the spare key from the second end of the lock cylinder 200, the main key 300 is switched from the unlocking position to the avoiding position along with the insertion of the spare key until the spare key is completely inserted into the lock cylinder 200, at the moment, the main key 300 is completely separated from the lock cylinder 200, and then the user can realize unlocking by using the spare key. This kind of design of this application not only is convenient for utilize control part 400 to realize unblanking, has improved the convenience of the operation of unblanking, also is convenient for simultaneously utilize spare key to realize unblanking under the abnormal conditions such as outage, has avoided unnecessary expense, has improved this unlocking means's practicality and convenience.

Referring to fig. 1 to 3, the transmission portion 100 in the present embodiment includes a first transmission assembly 110 and a driving member 130, an output end of the driving member 130 is connected to an input end of the first transmission assembly 110, and the control portion 400 is electrically connected to the driving member 130. The first transmission assembly 110 comprises a transmission gear 111 and a transmission gear ring 112, the transmission gear 111 is in driving connection with the output end of the driving element 130, the transmission gear 111 forms the input end of the first transmission assembly 110, the transmission gear ring 112 is used for being fixedly connected with the door body 1000, and the transmission gear 111 is meshed with the inner ring of the transmission gear ring 112 and can rotate along the inner ring of the transmission gear ring 112.

Referring to fig. 3, the unlocking device further includes a protective case 500, and the driving member 130 is disposed in the protective case 500 and connected to the protective case 500; the protective shell 500 is sleeved on the periphery of the transmission gear ring 112 and is rotatably arranged on the periphery of the transmission gear ring 112; one end of the protective shell 500 close to the lock cylinder 200 is provided with a limiting part 530, the limiting part 530 is connected with the protective shell 500, a placing groove 531 is formed in the limiting part 530, the first end of the main key 300 is arranged in the placing groove 531, the second end of the main key 300 can be inserted into the lock cylinder 200, and one end of the reset piece 600 far away from the main key 300 is fixedly connected to the bottom of the placing groove 531.

In this embodiment, the driving element 130 is a driving motor, the driving element 130 is disposed inside the protective shell 500 and is fixedly connected to the protective shell 500, and the driving element 130 may be fixedly connected to the protective shell 500 by a bolt or a welding method. One end of the protective case 500 close to the key cylinder 200 is defined as a first end, the first end of the protective case 500 is open, the limiting part 530 is a combined plate formed by combining a circular plate with the same inner diameter as that of the protective case 500 and a strip plate extending towards the inside of the protective case 500, the limiting part 530 and the inner side wall of the protective case 500 are integrally formed, designed and manufactured, the placement groove 531 is formed in the strip plate, and the bottom of the placement groove 531 extends towards the inside of the protective case 500; one end of the reset piece 600 close to the master key 300 is fixedly connected with the master key 300; the arrangement groove 531 provides a placement space and a connection space for the main key 300 and the reset piece 600, so that the main key 300 can be conveniently switched from the unlocking position to the avoiding position, and the main key 300 can be conveniently driven to rotate under the rotation of the protective shell 500, thereby realizing unlocking. In addition, an installation space exists between the limiting portion 530 and the first end face of the protective shell 500, the transmission gear 111 and the transmission gear ring 112 are both arranged in the installation space, and the transmission gear ring 112 and the protective shell 500 are coaxially arranged.

In specific application, before the lock cylinder 200 is unlocked, the main key 300 is inserted into the lock cylinder 200 under the action of the reset piece 600; under normal conditions, a user issues an unlocking instruction to the control part 400, the control part 400 analyzes the unlocking instruction and feeds an analysis signal back to the driving part 130, the driving part 130 starts to rotate after receiving a corresponding instruction, the output end of the driving part 130 drives the transmission gear 111 to rotate, the transmission gear 111 rotates along the inner ring of the transmission gear 112 due to the fact that the transmission gear 112 is fixedly connected with the door body 1000, and the driving part 130 which is in driving connection with the transmission gear 111 drives the protective shell 500 to rotate along the axis of the transmission gear 112 due to the fact that the driving part 130 is fixedly connected inside the protective shell 500; meanwhile, the main key 300 is fixedly connected with the groove bottom of the placement groove 531 through the reset piece 600, the placement groove 531 is formed in the limiting portion 530, and the limiting portion 530 and the protective shell 500 are integrally formed, so that the second end of the main key 300 rotates in the lock cylinder 200 along with the rotation of the protective shell 500, and the unlocking is achieved. Under the abnormal conditions such as power failure, a user can insert the spare key from the second end of the lock cylinder 200, the main key 300 is switched from the unlocking position to the avoiding position along with the insertion of the spare key until the spare key is completely inserted into the lock cylinder 200, the main key is completely separated from the lock cylinder 200 at the moment, and then the user can realize unlocking by using the spare key.

Referring to fig. 2 and 3, the transmission part 100 in the present embodiment further includes a second transmission assembly 120, the second transmission assembly 120 is a planetary gearbox, an input gear of the planetary gearbox is in driving connection with the driving member 130, 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 gearbox is disposed inside the protective casing 500 and is fixedly connected to the protective casing 500, and the planetary gearbox may be fixedly connected to the protective casing 500 by using 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 assembly 120 may also be a spur gear box, and the spur gear box is disposed inside the protective shell 500 and is fixedly connected to the protective shell 500. The input gear of the spur gear box is coaxial and fixedly connected with the output shaft of the driving part 130, and the transmission gear 111 is sleeved on the periphery of the output shaft of the planetary 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 130 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 assembly 120. The hollow cup motor has the advantages of small counter driving force and energy conservation.

Referring to fig. 3, the first transmission assembly 110 in this embodiment further includes a limiting member 113, the limiting member 113 covers the transmission gear 111, and an end surface of the output end of the second transmission assembly 120 far away from the driving member 130 abuts against the limiting member 113 to prevent the transmission gear 111 from moving in the axial direction.

In the embodiment of the present application, the position-limiting member 113 is a position-limiting cover plate, and the position-limiting cover plate is fixedly connected to the position-limiting portion 530 by using bolts; the limiting member 113 is arranged to limit the position, so that the possibility that the transmission gear 111 is separated from the output end of the second transmission assembly 120 is avoided.

As an optional mode in the embodiment of the present application, a snap spring is disposed between the transmission gear 111 and the limiting member 113, and the snap spring is sleeved on the output end of the second transmission assembly 120. The provision of a circlip further avoids the possibility of the drive gear 111 moving axially.

Referring to fig. 1, 3 and 4, the unlocking device in this embodiment further includes a connecting member 700, the connecting member 700 is disposed between the protective shell 500 and the door 1000, an insertion groove into which the lock cylinder 200 is inserted is formed in the connecting member 700, a first fixing bolt 710 that penetrates through the connecting member 700 and abuts against the outer surface of the lock cylinder 200 is disposed on the outer surface of the connecting member 700, and the connecting member 700 and the lock cylinder 200 are fixedly connected by the first fixing bolt 710.

The surface of the connecting member 700 away from the power ring gear 112 is provided with a second fixing bolt 720 which penetrates through the connecting member 700 and is screwed into the power ring gear 112, and the connecting member 700 and the power ring gear 112 are fixedly connected by the second fixing bolt 720.

In the embodiment of the present application, the lock cylinder 200 includes a lock cylinder body 210, a cylinder core 220 and a latch 230, wherein the lock cylinder body 210 is fixedly connected to the door body 1000, the cylinder core 220 and the latch 230 are both rotatably disposed in the lock cylinder body 210, the cylinder core 220 is in driving connection with the latch 230, and the specific connection structure belongs to common knowledge of those skilled in the art, and is not described in detail herein. The embedded groove is formed in the end face, far away from the protective shell 500, of the connecting piece 700, the length direction of the first fixing bolt 710 is perpendicular to the length direction of the lock cylinder 200, the first fixing bolt 710 is abutted to the outer surface of the lock cylinder body 210, and the connecting piece 700 is connected with the lock cylinder body 210 through the arranged first fixing bolt 710. The length direction of the second fixing bolt 720 is parallel to the length direction of the lock cylinder 200, the second fixing bolt 720 enables the connecting piece 700 to be fixedly connected with the transmission gear ring 112, and meanwhile, the lock cylinder body 210 is fixedly connected with the door body 1000, so the transmission gear ring 112 is fixedly connected with the door body 1000.

Referring to fig. 5 and 6, as an alternative way in the embodiment of the present application, the unlocking apparatus further includes a fixing assembly 1100, and the fixing assembly 1100 is disposed on the connecting member 700, so that the connecting member 700 is connected to the lock cylinder 200; fixed subassembly 1100 includes fixed block 1110 and fixed spring 1120, the holding tank has been seted up on the cell wall of embedded groove, the length direction of holding tank is mutually perpendicular with the length direction of lock core 200, the first end of fixed spring 1120 and the tank bottom fixed connection of holding tank, fixed block 1110 sets up in one side that holding tank bottom was kept away from to fixed spring 1120 second end, and with fixed spring 1120 fixed connection, offer on the lock core 200 and supply fixed block 1110 male fixed slot, the terminal surface that fixed spring 1120 was kept away from to fixed block 1110 can be parallel and level with the notch of holding tank mutually, also can be located the fixed slot, the length of fixed block 1110 is greater than the groove depth of fixed slot. In the process of inserting the lock cylinder 200 into the insertion groove, the outer surface of the lock cylinder 200 first compresses the fixing block 1110 into the receiving groove, and after the receiving groove is aligned with the fixing groove, the fixing block 1110 moves into the fixing groove under the action of the fixing spring 1120, so that the lock cylinder 200 is connected with the connecting member 700. The provision of the fixing assembly 1100 further enhances the strength of the connection of the connector 700 to the lock cylinder 200.

In this alternative, two sets of fixing members 1100 are provided, and two sets of fixing members 1100 are disposed oppositely, but in other examples, three, four or more sets of fixing members 1100 may be provided. In addition, the surface of the fixing block 1110, which is far away from the protective case 500, is provided with an inclined surface, the inclined surface gradually inclines towards a direction far away from the connecting member 700 from the upper end of the fixing block 1110 to the lower end of the fixing block 1110, wherein the end where the bottom of the embedded groove is located is the lower end of the fixing block 1110. In the process that the lock core 200 compresses the fixing block 1110 to the accommodating groove, the arranged inclined surface reduces the collision resistance between the lock core 200 and the fixing block 1110, so that the fixing block 1110 can be compressed into the accommodating groove more smoothly.

Referring to fig. 3, as an optional manner in the embodiment of the present application, the unlocking device further includes a sliding member 800, the sliding member 800 is disposed between the protective shell 500 and the transmission gear ring 112, the sliding member 800 is sleeved on the outer periphery of the transmission gear ring 112 and is fixedly connected to the transmission gear ring 112, and the protective shell 500 is sleeved on the outer periphery of the sliding member 800 and is rotatably disposed on the sliding member 800.

In this alternative, slider 800 is a bearing. The sliding part 800 plays a role in supporting and transition, so that the rotation resistance of the protective shell 500 is reduced, meanwhile, the abrasion of the transmission gear ring 112 is reduced, and the service life of the unlocking device is prolonged.

Referring to fig. 2 to 4, as an optional mode in the embodiment of the present application, the protective case 500 includes a case body 510 and a base 520, the case body 510 is rotatably disposed at the periphery of the sliding member 800, the limiting portion 530 is fixedly connected to an end surface of the case body 510 close to the lock cylinder 200, the base 520 is disposed at an end of the case body 510 far away from the lock cylinder 200, a clamping block 521 is disposed on the base 520, a clamping groove is disposed on an inner wall of the case body 510, and the base 520 and the case body 510 are connected by clamping of the clamping block 521 and the clamping groove.

In this optional mode, the clamping blocks 521 are provided in a plurality, and the clamping blocks 521 are uniformly and fixedly connected to the end surface of the base 520 facing the shell body 510 along the circumferential direction of the base 520. The joint piece 521 and the joint groove that set up make base 520 become to dismantle with shell body 510 and be connected, not only be convenient for manufacturing, still be convenient for simultaneously maintain and change the inside control part 400 of protective housing 500 and transmission 100. In addition, the case body 510 is made of a transparent material, and the general shape of the case body 510 is a cylinder with two open ends; the control part 400 is disposed on the end surface of the base 520 facing the shell body 510, and is fixedly connected with the base 520; the transmission portion 100 and the power supply portion 900 are disposed in the case body 510, wherein the driving member 130, the second transmission assembly 120 and the power supply portion 900 are disposed between the limiting portion 530 and the case body 510 and are fixedly connected to the case body 510, and the first transmission assembly 110 is disposed between the limiting portion 530 and the open end surface of the case body 510 far away from the base 520.

Referring to fig. 7 and 8, in this alternative, the unlocking device further includes a connecting assembly 1200, and the connecting assembly 1200 is disposed on the base 520 for connecting the base 520 with the case body 510. The connection assembly 1200 includes a sliding plate 1210, a limiting rod 1220, a limiting spring 1230 and a reset rope 1240, wherein the sliding plate 1210 is fixedly connected to the end surface of the base 520 facing the shell body 510, the length direction of the sliding plate 1210 is parallel to the length direction of the shell body 510, a sliding groove adapted to the sliding plate 1210 is formed in the inner side wall of the shell body 510, the length direction of the sliding groove is parallel to the length direction of the shell body 510, and the sliding plate 1210 is disposed in the sliding groove and can slide in the sliding groove. The limiting rod 1220 is slidably arranged on the side wall of the sliding plate 1210, the length direction of the limiting rod 1220 is perpendicular to that of the sliding plate 1210, a limiting groove for inserting the limiting rod 1220 is formed in the groove wall of the sliding groove, a stopping groove for stopping the limiting rod 1220 is formed in the side wall of the sliding plate 1210, the end face, far away from the sliding plate 1210, of the limiting rod 1220 can be flush with the groove opening of the stopping groove and can also be located in the limiting groove, and the length of the limiting rod 1220 is larger than the groove depth of the limiting groove. The first end of the limiting spring 1230 is fixedly connected to the bottom of the staying groove, the end face of the limiting rod 1220, which is close to the sliding plate 1210, is fixedly connected with the second end of the limiting spring 1230, the first end of the reset rope 1240 and the end face of the limiting rod 1220, which is close to the sliding plate 1210, are fixedly connected so as to drive the limiting rod 1220 to slide in the staying groove and the limiting groove, the second end of the reset rope 1240 extends to the outside of the protective case 500, and the sliding plate 1210 is provided with an extending hole for the second end of the reset rope 1240 to extend outwards. In addition, the connection assembly 1200 further includes a fixed pulley 1250, the fixed pulley 1250 is rotatably disposed inside the sliding plate 1210, the reset rope 1240 is overlapped on the fixed pulley 1250, a placement space for placing the fixed pulley 1250 is provided inside the sliding plate 1210, and the placement space is communicated with the stay groove and the extension hole.

In the concrete application, when the base 520 is connected with the shell body 510, firstly, the sliding plate 1210 is aligned with the sliding groove, and the base 520 is driven to move towards the shell body 510, so that the sliding plate 1210 can slide in the sliding groove, at the moment, the reset rope 1240 is pulled towards the direction far away from the sliding plate 1210, so that the end surface of the limiting rod 1220 far away from the sliding plate 1210 is flush with the notch of the stay groove, namely, the limiting rod 1220 stays in the stay groove at the moment, after the stay groove is aligned with the limiting groove, the reset rope 1240 is loosened, the limiting rod 1220 is inserted into the limiting groove under the action of the limiting spring 1230, and therefore the base 520 is detachably connected with the shell body 510. When the base 520 is separated from the shell body 510, the restoring rope 1240 is pulled in the direction away from the sliding plate 1210, so that the limiting rod 1220 is pulled out from the limiting groove, and the base 520 is separated from the shell body 510. The connecting assembly 1200 is provided to enhance the connecting strength of the base 520 and the case body 510.

In addition, in this optional mode, the limiting rod 1220, the limiting spring 1230, the reset rope 1240 and the fixed pulley 1250 are all provided in two sets, and are all oppositely disposed, and certainly, the limiting groove, the staying groove, the placing space and the extending hole are also provided in two sets, and are oppositely disposed.

Referring to fig. 3, in the present alternative, the control part 400 includes a PCB electrically connected to the transmission part 100, and a bluetooth module is disposed on the PCB. The PCB is electrically connected to the driving member 130.

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, PCB analysis this signal of telecommunication back with corresponding signal of unblanking feedback to driving piece 130, driving piece 130 receives the signal after the start-up and drive planetary gear case's input gear rotatory to it is rotatory to drive gear 111, under drive gear 111's transmission, drives main key 300 at lock core 200 internal rotation. The above steps are all common knowledge of the skilled person. In addition, the control part 400 is disposed on a side of the driving part 130 away from the part.

Referring to fig. 3, the unlocking apparatus in this embodiment further includes a power supply portion 900, and the power supply portion 900 is electrically connected to the control portion 400 and the driver 130 to supply power to the control portion 400 and the driver 130.

In the embodiment of the present application, the power supply unit 900 is a rechargeable lithium battery, the power supply unit 900 is disposed on one side of the transmission unit 100, and the power supply unit 900 is electrically connected to the control unit 400 and the driving unit 130 according to the common knowledge of those skilled in the art, and will not be described in detail herein.

Referring to fig. 1 to 4, 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 1000, the door lock includes a lock cylinder 200 and the unlocking device, the unlocking device is installed on a side of the door body 1000 facing an indoor space, a first end of the lock cylinder 200 is disposed facing the indoor space, and a second end of the lock cylinder 200 is disposed facing an outdoor space.

In the embodiment of the present application, the lock cylinder 200 includes a lock cylinder body 210, a lock cylinder 220 and a lock bolt 230, the lock cylinder body 210 is fixedly installed in the door body 1000, the lock cylinder 220 is in driving connection with the lock bolt 230, and both the lock cylinder 220 and the lock bolt 230 are rotatably disposed on the lock cylinder body 210; the primary key 300 and the standby key can be respectively in driving connection with the lock cylinder 220 to drive the lock cylinder 200 to unlock. The cylinder body 210, the cylinder core 220, and the plug 230 are well known to those skilled in the art and will not be described in detail herein. The first end of the cylinder body 210 is disposed in the insertion groove. The primary key 300 and the standby key can be inserted into the lock cylinder 220 to realize unlocking.

When a user needs to unlock, an unlocking instruction is sent to the driving piece 130 through the control part 400, the driving piece 130 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 transmission gear ring 112, and therefore the main key 300 is driven to rotate in the lock cylinder 200, and unlocking is achieved. The unlocking device is arranged on one side of the door body 1000 facing the indoor, and the design greatly improves the safety of the door lock. The second end of the lock cylinder 200 is disposed toward the outdoor side so that the spare key can be inserted into the lock cylinder 200 to unlock.

In addition, because the coreless motor has the advantage of small back-driving force, the design of the coreless motor adopted by the driving element 130 is convenient for a user to manually drive the protective shell 500 to rotate, and then the main key 300 is driven to rotate in the lock cylinder 200, so as to realize unlocking. In the concrete application, when the user is indoor, the user both can realize unblanking through manual rotatory protective housing 500, also can issue the start command to driving piece 130 through control part 400 to the realization is unblanked.

In summary, the unlocking device and the door lock with the unlocking device provided by the embodiment have the following beneficial technical effects: before the lock cylinder 200 is unlocked, the main key 300 is in the unlocking position under the action of the reset piece 600, that is, the main key 300 is inserted into the lock cylinder 200, under normal conditions, a user issues an unlocking instruction to the control part 400, the control part 400 analyzes the unlocking instruction and feeds back an analysis signal to the transmission part 100, and after the transmission part 100 receives a corresponding instruction, the output end of the transmission part 100, that is, the main key 300, rotates in the lock cylinder 200, so that unlocking is realized, and the transmission steps of the electric signals belong to the common general knowledge of technicians in the field. Under the abnormal conditions such as power failure, a user can insert the spare key from the second end of the lock cylinder 200, the main key 300 is switched from the unlocking position to the avoiding position along with the insertion of the spare key until the spare key is completely inserted into the lock cylinder 200, at the moment, the main key 300 is completely separated from the lock cylinder 200, and then the user can realize unlocking by using the spare key. The design of this application not only is convenient for utilize control part 400 to realize unblanking, has improved the convenience of the operation of unblanking, also is convenient for simultaneously utilize spare key to realize unblanking under the abnormal conditions such as outage, has avoided unnecessary expense, has improved this unlocking means's practicality and convenience.

The present application is intended to cover various modifications, equivalent arrangements, and adaptations of the present application without departing from the spirit and scope of the present application.

Claims (10)

1. An unlocking device is characterized by comprising a transmission part (100), wherein the output end of the transmission part (100) is used for being in driving connection with a lock cylinder (200) so as to drive the lock cylinder (200) to unlock;

a main key (300) is arranged at a first end of the lock cylinder (200), a spare key is inserted into a second end of the lock cylinder (200), the main key (300) forms an output end of the transmission part (100), the main key (300) is provided with an unlocking position which can penetrate into the lock cylinder (200) and can rotate in the lock cylinder (200) and an avoiding position which can be ejected outwards from the lock cylinder (200) by the spare key and is separated from the lock cylinder (200);

a reset piece (600) is arranged at one end, far away from the lock cylinder (200), of the main key (300), and the reset piece (600) is used for enabling the main key (300) to be switched from the avoiding position to the unlocking position;

the unlocking device further comprises a control part (400), wherein the control part (400) is electrically connected with the transmission part (100) to control the main key (300) to rotate in the lock cylinder (200).

2. The unlocking device according to claim 1, wherein the transmission portion (100) comprises a first transmission component (110) and a driving member (130), an output end of the driving member (130) is in driving connection with an input end of the first transmission component (110), and the control portion (400) is electrically connected with the driving member (130);

the first transmission assembly (110) comprises a transmission gear (111) and a transmission gear ring (112), the transmission gear (111) is in driving connection with the output end of the driving part (130), the transmission gear (111) forms the input end of the first transmission assembly (110), the transmission gear ring (112) is used for being fixedly connected with a door body (1000), and the transmission gear (111) is meshed with the inner ring of the transmission gear ring (112) and can rotate along the inner ring of the transmission gear ring (112);

the unlocking device further comprises a protective shell (500), and the driving piece (130) is arranged in the protective shell (500) and is connected with the protective shell (500); the protective shell (500) is sleeved on the periphery of the transmission gear ring (112) and is rotatably arranged on the periphery of the transmission gear ring (112); one end, close to the lock cylinder (200), of the protective shell (500) is provided with a limiting portion (530), the limiting portion (530) is connected with the protective shell (500), a placing groove (531) is formed in the limiting portion (530), the first end of the main key (300) is arranged in the placing groove (531), the second end of the main key (300) can be inserted into the lock cylinder (200), and one end, far away from the main key (300), of the resetting piece (600) is fixedly connected to the bottom of the placing groove (531).

3. Unlocking device according to claim 2, wherein said transmission portion (100) further comprises a second transmission assembly (120), said second transmission assembly (120) being a planetary gearbox, an input gear of said planetary gearbox being in driving connection with said driving member (130), an output shaft of said planetary gearbox being in driving connection with said transmission gear (111).

4. The unlocking device according to claim 3, wherein the first transmission assembly (110) further comprises a limiting member (113), the limiting member (113) is covered on the transmission gear (111), and an end surface of the output end of the second transmission assembly (120) far away from the driving member (130) abuts against the limiting member (113) to prevent the transmission gear (111) from moving axially.

5. The unlocking device according to claim 2, further comprising a connecting piece (700), wherein the connecting piece (700) is arranged between the protective shell (500) and the door body (1000), an embedding slot for embedding the lock cylinder (200) is formed in the connecting piece (700), a first fixing bolt (710) penetrating through the connecting piece (700) and abutting against the outer surface of the lock cylinder (200) is arranged on the outer surface of the connecting piece (700), and the connecting piece (700) and the lock cylinder (200) are fixedly connected through the first fixing bolt (710);

the surface of the connecting piece (700), which is far away from the transmission gear ring (112), is provided with a second fixing bolt (720) which penetrates through the connecting piece (700) and is screwed into the transmission gear ring (112), and the connecting piece (700) is fixedly connected with the transmission gear ring (112) through the second fixing bolt (720).

6. The unlocking device according to claim 2, further comprising a sliding member (800), wherein the sliding member (800) is disposed between the protective casing (500) and the transmission gear ring (112), the sliding member (800) is sleeved on the periphery of the transmission gear ring (112) and is fixedly connected with the transmission gear ring (112), and the protective casing (500) is sleeved on the periphery of the sliding member (800) and is rotatably disposed on the sliding member (800).

7. The unlocking device according to claim 6, wherein the protective shell (500) comprises a shell body (510) and a base (520), the shell body (510) is rotatably arranged on the periphery of the sliding member (800), the limiting portion (530) is fixedly connected to the end face, close to the lock cylinder (200), of the shell body (510), the base (520) is arranged at one end, far away from the lock cylinder (200), of the shell body (510), a clamping block (521) is arranged on the base (520), a clamping groove is formed in the inner wall of the shell body (510), and the base (520) and the shell body (510) are connected through clamping of the clamping block (521) and the clamping groove.

8. Unlocking device according to claim 1, characterized in that said control portion (400) comprises a PCB, said PCB being electrically connected to said transmission portion (100), said PCB being provided with a bluetooth module.

9. The unlocking apparatus according to claim 2, characterized in that the unlocking apparatus further comprises a power supply portion (900), and the power supply portion (900) is connected to the control portion (400) and the driving member (130) to supply power to the control portion (400) and the driving member (130).

10. A door lock, characterized in that, the door lock is installed on a door body (1000), the door lock comprises a lock cylinder (200) and the unlocking device of any one of claims 1 to 9, the unlocking device is installed on one side of the door body (1000) facing indoor, the first end of the lock cylinder (200) is arranged facing indoor, and the second end of the lock cylinder (200) is arranged facing outdoor.

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