Execution device of internet-of-things lock and internet-of-things lock
By designing an IoT lock actuator that includes an electromagnetic clutch, motor, gear system and tension spring, the existing smart lock structure is complex and cannot be automatically locked after power outage, and the efficiency of automatic locking and power management is achieved.
Patent Information
- Application Number
- CN202421350951.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-13
- Publication Date
- 2025-06-03
- Estimated Expiration
- 2034-06-13
AI Technical Summary
The existing IoT smart locks have complex structures and cannot be automatically locked after power outage.
An actuator of an IoT lock is designed, including a front case, a rear case, an electromagnetic clutch, a motor, a driving gear, a double idler gear, a driven gear, a swing arm, a tension spring, a linkage, a lock lever, a key drive member and a main control board. It is automatically locked after power is cut off through the action of the tension spring.
It realizes the function of simple structure and automatic locking after power outage, improving the convenience of using smart locks and power management efficiency.
Smart Images

Figure CN222936561U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a lock, in particular to an Internet of Things lock. Background Art
[0002] In the current prior art, Chinese Patent No. 201810855492.0, an intelligent lock with a long battery life based on the Internet of Things, includes a sliding cover, a main body, a keyboard, a lock core and a handle, and also includes an energy-saving mechanism, a lubricating mechanism and a central control mechanism. The energy-saving mechanism includes a power component, a clutch component, a first support rod, a second support rod, a third support rod and a fixed rod. The power component includes a runner, a second spring, a second transmission rod, a limit block, a first sliding block, a limit rod, a torsion spring and a rotating rod. The lubricating component includes a sleeve, a piston, a driving component, a third transmission rod and an oil pipe. In this intelligent lock with a long battery life based on the Internet of Things, through the energy-saving mechanism, when the intelligent lock is in the locked state, the power circuit of the intelligent lock can be disconnected, thereby reducing the power consumption of the intelligent lock. The problems are: the structure is complex, and after power failure, it cannot be automatically locked. Summary of the Utility Model
[0003] The purpose of the utility model is to provide an execution device for an Internet of Things lock, which has the characteristics of key and electric double unlocking, power-off delay after unlocking and automatic locking.
[0004] The utility model is realized as follows: an execution device for an Internet of Things lock, which is characterized in that: it includes a front shell, a rear shell, a clutch seat, an electromagnetic clutch, a motor, a driving gear, a double-connected idler gear, a driven gear, a swing arm, a tension spring, a linkage, a lock rod, a key driving member and a main control board.
[0005] The rear shell includes a guide seat, a spring hanging post, a hinged frame plate, a rear half rod hole provided on the top plate and a rear semi-circular hole provided on the side wall plate; the guide seat is provided with a longitudinal guide groove.
[0006] The front shell includes a front half rod hole provided on the top plate and a front semi-circular hole provided on the side wall plate.
[0007] The electromagnetic clutch includes an electromagnetic main body, a magnetic attraction rotor, a clutch rotor and a clutch shaft body.
[0008] The linkage includes a longitudinal part, a transverse driven stop part and a driven rod provided on the longitudinal part.
[0009] The key driving member includes a rotating body and a driving arm.
[0010] The front shell and the rear shell are fastened and fixed. The front semi-circular hole and the rear semi-circular hole form a circular hole, and the front semi-rod hole and the rear semi-rod hole form a rod hole. The rotating body is rotationally engaged with the shaft hole of the hinge frame plate, and the end is rotationally engaged with the circular hole. The locking rod is arranged at the top of the longitudinal part. The longitudinal part is slidably engaged with the longitudinal guide groove, the locking rod is engaged with the rod hole, the transverse driven stop part is engaged with the end of the guide seat for stopping, and the transverse driven stop part moves in the space between the guide seat and the top plate of the rear shell. The transverse driven stop part is engaged with the driving arm. The clutch seat is fixed to the rear shell. The two ends of the clutch shaft body are pivotally connected to the front shell and the rear shell, and a driven gear is arranged on the clutch shaft in the space between the clutch seat and the rear shell. The motor is fixed to the rear shell, the driving gear is arranged on the shaft of the motor, the large wheel part of the double-connected inert gear is engaged with the driving gear, and the small wheel part is engaged with the driven gear. One end of the swing arm is fixed to the clutch rotor, and the other end is pivotally connected to the driven rod. The tension spring is respectively engaged with the spring hanging post and the spring hook.
[0011] The described actuating device of an Internet of Things lock is characterized in that: a long strip hole is provided at the driven end of the swing arm, and the long strip hole is engaged with the driven rod.
[0012] The described actuating device of an Internet of Things lock is characterized in that: a stop block is provided on the rear shell.
[0013] A stop plate is provided on the driving arm. In the locked state, the stop plate and the stop block are engaged for stopping.
[0014] The described actuating device of an Internet of Things lock is characterized in that: the lower end of the driving arm of the key driving member is circular, and a first magnet is provided at the circular part; a second magnet is provided on the longitudinal part of the linkage member.
[0015] It further includes a first magnetic induction component and a second magnetic induction component.
[0016] The first magnetic induction component and the second magnetic induction component are arranged on the side wall plate of the front shell. The first magnet is engaged with the first magnetic induction component, and the second magnet is engaged with the second magnetic induction component.
[0017] In the locked state, the second magnet is opposite to the second magnetic induction component.
[0018] The described actuating device of an Internet of Things lock is characterized in that: after the key driving member rotates to complete the unlocking action, the first magnet and the first magnetic induction component are opposite to each other.
[0019] When the key driving member rotates, the driving arm drives the transverse driven stop part, and the linkage block and the locking rod move to achieve unlocking.
[0020] An Internet of Things lock is characterized in that: it includes a face cover, a handle, a shaft seat, a lock key core and the actuating device of the Internet of Things lock as described above.
[0021] The shaft seat is provided with a lock rod groove, the lock rod of the actuating device is engaged with the lock rod groove, and the lock key core is docked with the key driving member.
[0022] For the actuating device of an Internet of Things lock of the present utility model, due to adopting such a structure, the structure is simple; the setting of the tension spring has the characteristic of automatically locking when power is off. After the lock key unlocks, pulling out the lock key will automatically lock. Description of the Drawings
[0023] Figure 1 is one of the exploded views of the present utility model.
[0024] Figure 2 is another exploded view of the present utility model.
[0025] Figure 3 is one of the sectional views of the present utility model.
[0026] Figure 4 is Figure 3 the A - A view of
[0027] Figure 5 is Figure 3 the B - B view of
[0028] Figure 6 is Figure 3 the C - C view of
[0029] Figure 7 is one of the three - dimensional exploded views of the present utility model.
[0030] Figure 8 is another three - dimensional exploded view of the present utility model.
[0031] Figure 9 is the three - dimensional view of the present utility model.
[0032] Figure 10 is the three - dimensional view of the second embodiment of the present utility model. Detailed Description of the Embodiment
[0033] The embodiments of the present utility model will be described in detail below. The examples of the embodiments are shown in the drawings, in which the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described by referring to the drawings below are exemplary and are only used to explain the present utility model and should not be construed as a limitation to the present utility model.
[0034] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "installation", "connection", and "coupling" shall be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a direct connection, or an indirect connection through an intermediate medium, and it may be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.
[0035] As Figure 1 , Figure 2 , Figure 3 , Figure 4 shown, an actuator of an Internet of Things lock includes a front shell 1, a rear shell 2, a clutch seat 3, an electromagnetic clutch 4, a motor 5, a driving gear 61, a double-linked idler gear 62, a driven gear 63, a swing arm 7, a tension spring 8, a linkage 9, a lock rod 10, a key driving member 11, and a main control board.
[0036] The front shell 1 includes a front half-rod hole (not marked in the figure) provided on the top plate and a front semi-circular hole provided on the side wall plate.
[0037] The rear shell 2 includes a guide seat 21, a spring hanging post 22, a hinged frame plate 23, a rear half-rod hole (not marked in the figure) provided on the top plate, and a rear semi-circular hole provided on the side wall plate; the guide seat 21 is provided with a longitudinal guide groove.
[0038] The electromagnetic clutch 4 includes an electromagnetic body 41, a magnetic attraction rotor 42, a clutch rotor 43, and a clutch shaft body 44; the electromagnetic clutch 4 is a well-known technology and is only applied in the present utility model, and only the relevant parts are briefly described.
[0039] The linkage 9 includes a longitudinal portion 91, a transverse driven stop portion 92, and a driven rod 93 provided on the longitudinal portion 91.
[0040] The key driving member 11 includes a rotating body 111 and a driving arm 112.
[0041] The front shell 1 and the rear shell 2 are snap-fitted and fixed. The front semi-circular hole and the rear semi-circular hole form a circular hole, and the front semi-rod hole and the rear semi-rod hole form a rod hole. The rotating body 111 is rotatably engaged with the shaft hole of the hinged frame plate 23, and the end is rotatably engaged with the circular hole. The locking rod 10 is provided at the top of the longitudinal portion 91. The longitudinal portion 91 is slidably engaged with the longitudinal guiding groove on the guiding seat 21, the locking rod 10 is engaged with the rod hole, and the transverse driven stopping portion 92 is engaged with the end of the guiding seat 21 for stopping. The transverse driven stopping portion 92 moves in the space between the guiding seat 21 and the top plate of the rear shell 2, and the transverse driven stopping portion 92 is engaged with the driving arm 112. The clutch seat 3 is fixed to the rear shell 2. The two ends of the clutch shaft body 44 are respectively pivotally connected to the front shell and the rear shell, and a driven gear 63 is provided on the centrifugal shaft body 44 in the space between the clutch seat and the rear shell. The motor 5 is fixed to the rear shell 2, the driving gear 61 is provided on the shaft of the motor 5, the large wheel portion of the double-link idler gear 62 is engaged with the driving gear 61, and the small wheel portion is engaged with the driven gear 63. One end of the swing arm 7 is fixed to the clutch rotor 43, and the other end is pivotally connected to the driven rod 93. The tension spring 8 is respectively engaged with the spring hanging post 22 and the spring hook 71 on the swing arm 7.
[0042] As a further improvement of the present utility model: a long slot 72 is provided at the driven end of the swing arm 7, and the long slot 72 is engaged with the driven rod 93.
[0043] As a further improvement of the present utility model: the lower end of the driving arm 112 of the key driving member 11 is circular, and a first magnet 121 is provided at the circular portion; a second magnet 122 is provided on the longitudinal portion 91 of the linkage member 9;
[0044] A stop block 24 is provided on the rear shell 1, and a stop plate 1121 is provided on the driving arm 112. In the locked state, the stop plate 1121 and the stop block 24 are engaged for stopping;
[0045] It further includes a first magnetic induction component 131 and a second magnetic induction component 132. The magnetic induction component is a Hall sensor or a reed switch;
[0046] The first magnetic induction component 131 and the second magnetic induction component 132 are provided on the side wall plate of the front shell 1. The first magnet 121 is engaged with the first magnetic induction component 131, and the second magnet 122 is engaged with the second magnetic induction component 132;
[0047] In the locked state, the second magnet 122 is opposite to the second magnetic induction component 132.
[0048] After the key driving member 11 rotates to complete the unlocking action, the first magnet 121 and the first magnetic induction component 122 are opposite; in the locked state, the first magnet 121 and the first magnetic induction component 122 are staggered;
[0049] When the key driving member 11 rotates, the driving arm 112 drives the transverse driven stop portion 92, and the linkage block 9 and the lock rod 10 move. The lock rod 10 retracts into the housing to achieve unlocking, as Figure 8 shown in the state; in Figure 8 this state, the key driving member 11 rotates in the clockwise direction, and the stop plate 1121 and the stop block 24 cooperate to stop, achieving locking.
[0050] As Figure 1 、 Figure 7 shown in the unlocking state, when fully automatic unlocking works, in the unlocking state, the lock rod 10 retracts into the housing formed by the front housing and the rear housing; when the main control board supplies power to the motor 5 and the electromagnetic clutch 4, the clutch rotor 43 moves along the clutch shaft body 43 towards the magnetic attraction rotor 42, and the magnetic attraction rotor 42 and the clutch rotor 43 are magnetically attracted and combined; the driving gear 61 of the motor 5 rotates, is decelerated by the double-connected idler gear 62, and the driven gear 63, the clutch shaft body 43, the magnetic attraction rotor 42 and the clutch rotor 43 rotate together; in Figure 1 this situation, the swing arm 7 rotates in the counterclockwise direction, and the linkage block 9 and the lock rod 10 move upward together. The lock rod 10 extends out of the housing and enters the locking state, that is, the locking state; the transverse driven stop portion 92 leaves the guide seat 92; at the same time, the second magnet 122 and the second magnetic induction component 132 face each other, and the second magnetic induction component 132 transmits a signal to the main control board; after the main control board receives the signal, it cuts off the power supply to the motor and the electromagnetic clutch. After power-off, under the action of the tension spring 8, the locking state is maintained, that is, the locking state;
[0051] In the locking state, the main control board supplies power to the motor 5 and the electromagnetic clutch 4, the motor 5 rotates in reverse, the lock rod 10 and the linkage block 9 move downward together, that is, move into the housing, and the transverse driven stop portion 92 leaves the guide seat 92 to cooperate with the stop; the tension spring 8 is stretched, and the second magnet 122 leaves the second magnetic induction component 132; the second magnetic induction component 132 transmits a signal to the main control board; the main control board delays supplying power to the motor and the electromagnetic clutch, and is in the unlocking state; then it cuts off the power supply, and under the action of the tension spring 8, the lock rod 10 and the linkage block 9 move upward together and enter the locking state again, that is, the locking state;
[0052] When manually unlocking with the key, in the locked state, the key driving member 11 rotates, the driving arm 112 drives the transverse driven stop portion 92, and the linkage block and the lock rod 10 move together and retract into the housing; at the same time, the first magnet 121 and the first magnetic induction component 131 face each other; the transverse driven stop portion 92 leaves the guide seat 92 to cooperate with the stop; the first magnetic induction component 131 transmits a signal to the main control board, and the main control board does not supply power to the motor and the electromagnetic clutch, and the swing arm 8 and the clutch rotor 43 rotate together; unlocking is achieved, as Figure 2 、 Figure 8 shown.
[0053] Embodiment 2
[0054] As Figure 10 shown, an Internet of Things lock includes a face cover 14, a handle 15, a shaft seat 16, a lock key core 17, and an execution device of the Internet of Things lock as described above;
[0055] A lock rod groove is provided on the shaft seat 16, the lock rod 10 of the execution device is matched with the lock rod groove, and the lock key core 17 is docked with the key driving member 11.
[0056] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the claims and their equivalents.
Claims
1. An execution device for an Internet of Things lock, characterized in that: It includes a front shell, a rear shell, a clutch seat, an electromagnetic clutch, a motor, a driving gear, a double-linked idler gear, a driven gear, a swing arm, a tension spring, a linkage part, a lock rod, a key drive part and a main control board. The rear shell includes a guide seat, a spring hanging column, a hinged frame plate, a rear half rod hole arranged on the top plate and a rear semicircular hole arranged on the side wall plate; the guide seat is provided with a longitudinal guide groove; The front shell includes a front half rod hole provided on the top plate and a front semicircular hole provided on the side wall plate; The electromagnetic clutch includes an electromagnetic body, a magnetic rotor, a clutch rotor and a clutch shaft. The linkage member includes a longitudinal portion, a transverse driven stop portion and a driven rod arranged on the longitudinal portion. The key driving member includes a rotating body and a driving arm; The front shell and the rear shell are buckled and fixed, the front semicircular hole and the rear semicircular hole constitute a circular hole, and the front half rod hole and the rear half rod hole constitute a rod hole; the rotating body is rotatably engaged with the shaft hole of the hinged frame plate, and the end portion is rotatably engaged with the circular hole; the locking rod is arranged at the top of the longitudinal portion, the longitudinal portion is slidably engaged with the guide groove, the locking rod is engaged with the rod hole, the transverse driven stop portion is engaged with the end portion of the guide seat for stop, the transverse driven stop portion moves in the space between the guide seat and the top plate of the rear shell, and the transverse driven stop portion is engaged with the driving arm; the clutch seat is fixed to the rear shell, the two ends of the clutch shaft body are pivotally connected with the front shell and the rear shell, and a driven gear is arranged on the clutch shaft in the space between the clutch seat and the rear shell; the motor is fixed to the rear shell, the driving gear is arranged on the shaft of the motor, the large wheel portion of the double-linked inert gear is meshed with the driving gear, and the small wheel portion is meshed with the driven gear; one end of the swing arm is fixed to the clutch rotor, and the other end is pivotally connected to the driven rod; the tension spring is respectively engaged with the spring hanging column and the spring hook on the swing arm.
2. The execution device of an Internet of Things lock according to claim 1, characterized in that: The driven end of the swing arm is provided with a long strip hole, and the long strip hole is matched with the driven rod.
3. The execution device of an Internet of Things lock according to claim 1 is characterized in that: The rear shell is provided with a stop block. The driving arm is provided with a stop plate, and in a locked state, the stop plate and the stop block cooperate to stop.
4. The execution device of an Internet of Things lock according to claim 1, characterized in that: The lower end of the driving arm of the key driving member is circular, and a first magnet is provided at the circular portion; a second magnet is provided on the longitudinal portion of the linkage member; Also includes a first magnetic induction component and a second magnetic induction component; The first magnetic induction component and the second magnetic induction component are arranged on the side wall plate of the front shell, the first magnet cooperates with the first magnetic induction component, and the second magnet cooperates with the second magnetic induction component; In the locked state, the second magnet faces the second magnetic sensing component.
5. The execution device of the Internet of Things lock according to claim 4 is characterized in that: After the key driving member rotates to complete the unlocking action, the first magnet and the first magnetic sensing component are opposite to each other; When the key driving member rotates, the driving arm drives the lateral driven stopper, the linkage block and the lock rod to move, thereby realizing unlocking.
6. An Internet of Things lock, characterized by: It comprises a face cover, a handle, a shaft seat, a lock key core and an execution device of the Internet of Things lock as described in any one of claims 1 to 5; A lock rod groove is arranged on the shaft seat, the lock rod of the actuator cooperates with the lock rod groove, and the lock key core is butted against the key driving member.
Citation Information
Patent Citations
A smart lock with long battery life based on the Internet of Things
CN108986284B