Door lock with lever handle lock structure

Abstract

To provide an electronic lock configured to cause a smartphone to operate a lever handle lock by connecting a door lock having a lever handle lock structure that prevents the lever handle from being lowered to establish a locked state, and the smartphone via BLE communication.SOLUTION: The door lock with the lever handle lock structure is configured such that: a BLE start button 47 and an unlock button 48 are housed in a unit cover 49 on the outside of a door; a lock button 32 and an unlock button 33 are housed in a unit cover 3 on the inside of the door 23; and a main board 34 and a BLE board 37 are also provided in the unit cover 3, and features that: locking and unlocking operations cannot be performed by BLE communication unless a smartphone is carried, and the locking and unlocking operations using the buttons can be performed when the lever handle lock recognizes that the smartphone is within a certain range.SELECTED DRAWING: Figure 1

Description

Technical Field

[0001] The present invention relates to a novel electronic lock that uses a smartphone as a key to unlock and lock an indoor lock, which is provided with a lock mechanism in an empty lock for a door lock having a lever handle lock structure that can be locked by preventing the lever handle from being lowered.

Background Art

[0002] Conventional automatic locking by a deadbolt often has trouble with being unable to lock because it cannot be locked by hand, but since the latch retracts and is unlocked when the door is closed, the lever handle cannot be lowered, so it can be locked, and thus it has a lever handle lock structure.

[0003] Furthermore, in recent years, with the spread of smartphones, in view of the current situation where people carry this smartphone and use various apps. There has also been a demand to use the smartphone as a key to unlock and lock even for a door lock having this lever handle lock structure, eliminating the trouble of key possession and management. Also, with the spread of carrying smartphones, it has been desired that this lever handle lock can monitor the position of the smartphone and prevent loss.

[0004] Based on such a background, in a door lock having a lever handle lock structure, there has been a search for providing a novel electronic lock that uses a smartphone as a key and has a lock mechanism in an empty lock.

Prior Art Documents

Patent Documents

[0005]

Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0006] An object of the present invention is to provide an electronic lock capable of locking and unlocking by connecting a door lock having a lever handle lock structure that prevents the lever handle from being turned even when an attempt is made to turn the lever handle while the lock lever is in the lowered state, and a smartphone by BLE communication and controlling the lever handle lock with a smartphone app.

[0007] Another object of the present invention is an electronic lock provided with a structure for preventing the rotation of the lever handle by a small motor and a locking component using the space of the round seat installed at the base of the lever handle, characterized in that the locking and unlocking operations of the lever handle are performed by buttons and a smartphone. Furthermore, this lever handle lock limits the distance for detecting the function of recognizing a smartphone by using Bluetooth advertisement or the like.

Effects of the Invention

[0008] In the lever handle type latch lock of this invention, when the lever handle is lowered, the latch is pulled in and the lock can be opened.

[0009] The locking and unlocking operations of the lever handle of this invention can be operated by buttons and a smartphone.

[0010] In the lever handle type latch lock of this invention, when the door is closed, the latch fits into the strike (receptacle for the latch) and the door closes automatically.

[0011] In the door lock of this invention, the locking and unlocking operations cannot be performed without carrying a smartphone. Also, the unlocking and locking operations by buttons can be performed when it is recognized that the smartphone is within a certain range from the lever handle lock.

[0012] In the door lock of this invention, although it can be locked and unlocked by using a smartphone application, it takes time to start up the smartphone and the application, which causes inconvenience in case of urgency. Therefore, if you carry a smartphone, you can lock and unlock the door without starting the application.

[0013] The electronic lock system of this invention is designed to prevent forgetting to bring it when entering or leaving a room without forgetting to carry a smartphone. If the door is locked with the smartphone left inside the room, it cannot be unlocked by the smartphone. In this system, the locking and unlocking operations cannot be performed without a smartphone.

[0014] In this invention, it can be unlocked by using a smartphone application only when unlocking from the outside of the house.

[0015] The electronic lock system using a smartphone of this invention can be used as a key inside a smart home, and can also be utilized in various places such as rental offices, telework spaces, and Internet cafes in addition to houses.

[0016] The placement locations of the smartphone are various, such as on a table, in a bag, or in the pocket of clothes. However, the lever handle lock of this invention can monitor the position of the smartphone and prevent the loss of the smartphone.

[0017] In the lever handle lock door lock of this invention, when the voltage of the dry battery drops below a certain value, the unlocked state is forcibly maintained to prevent troubles such as being unable to enter the room due to a dead battery.

[0018] The lever handle type latch door lock of this invention can be combined with various devices such as biometric authentication and password authentication as authentication devices. etc.

Brief Description of the Drawings

[0019]

Figure 1

Figure 2

Figure 3

Figure 4

Figure 5

Figure 6

Figure 7

Figure 8

Figure 9

Embodiments for Carrying Out the Invention

[0020] Next, an example of a door electronic lock having the lever handle lock structure of the present invention will be described. First, the configuration of the example will be described. FIG. 1 shows an exploded perspective view for attaching the lever handle lock assembly of the present invention to the lever handle attachment portion of a door.

[0021] To the lock case 22 of the door 23, the lever handle 21 is attached from the outside of the compartment via the round seat 24, and the lever handle 25 is attached from the inside of the compartment by the handle fixing screw 26 via the lever bush 1 and the unit cover 3.

[0022] The support plate 4, the lock plate 5, and the base plate 6 are attached by the base plate fixing screws 18 such that the lock plate 5 can rotate. The motor 7, the worm gear 8, the worm wheel 9, the lock lever 10, the lock lever spring 11, the gear return spring 12, the unlocking spring 13, and the gear case 14 are attached to the module base 15 by the module cover fixing screws 17 so as to be accommodated in the module cover 16, and are attached to the base plate 6 by the module base attachment screws 20.

[0023] These components are attached via the round seat 24 inserted from the indoor side by the lock unit fixing screws 19. Further, the tip of the release lever 2 is set in the sliding opening of the unit cover 3, and the tip arm of the release lever is inserted into the hole of the gear case 14.

[0024] Subsequently, the functions of the embodiment will be briefly described (for details, refer to the drawings and descriptions in the prior art documents). The rotation of the motor is transmitted to the worm gear 8, and the lock lever spring 11 pivotally supported by the worm wheel 9 by the worm gear 8 follows. The pin portion of the lock lever 10 is supported at the tip of the arm of the lock lever spring 11 and is sandwiched between the pin portions of the worm wheel 9 at the base portion. When the worm wheel 9 rotates forward and backward, the lock lever 10 moves up and down.

[0025] When the lock lever 10 is in the lowered state, even if the lever handle 21 is turned, the lock lever 10 blocks it, and the lever handle 21 cannot be turned. Conversely, when the lock lever 10 rises, the rotation prevention of the lever handle 21 is released, and the lever handle 21 can be turned.

[0026] In FIG. 2, a locking button 48 and a Bluetooth button 47 are provided on the outdoor side of the door 23. When unlocking, by pressing the Bluetooth button 47, the smartphone application is started, and the unlocking button is tapped. The lever handle 21 is unlocked. When locking, pressing the locking button 48 causes the lever handle lock to detect the smartphone. After detection, the lever handle 21 is locked and the lock is engaged. Also, with the smartphone app launched, pressing the Bluetooth button 47 causes this electronic lock to pair with the smartphone.

[0027] In Fig. 3, on the indoor side of the door 23, a locking button 32, an unlocking button 33, a battery cover 30, and an emergency release lever 2 are provided. When unlocking, pressing this unlocking button 33 causes the lever handle lock to detect the smartphone. After detection, green is displayed in the display window and the lock of the lever handle is released. When locking, pressing the locking button 32 causes red to be displayed in the display window after detection, and the lever handle 25 is locked and the lock is engaged.

[0028] When the lock of the lever handle 25 is released, the door 23 can be opened by operating the lever handle 25. Also, the battery cover 30 can be pulled down and removed to load the battery 31. In an emergency, sliding the emergency unlocking lever 2 downward mechanically releases the lock of the lever handle 25 and the door 23 can be opened.

[0029] Fig. 4 discloses a lever handle lock operation flow for registering an account / product and installing a smartphone app. When installing the smartphone app, first, read the QR code for app download, connect to the Keiden management server, connect to Google Play if the OS type is Android, connect to the App Store if it is iOS, and install the operating app.

[0030] Fig. 5 shows an app launch / pairing flowchart. Explaining this flow, launch the app, enter the account information registered in advance on a dedicated website, tap the login button to log in. If the inquiry process is successful, the app connects to the management server, obtains information on the devices with the disconnection permission, and starts a BLE scan. While the app is performing a BLE scan, press the activation button of the lever handle lock to start advertising. If the app detects a device that is advertising during the scan operation, the smartphone OS performs the following two operations. · In the case of Android: Compare the MAC address included in the device information obtained from the server with the MAC address of the detected lever handle lock, and if they match, connect. · In the case of iOS: Connect, compare the serial number included in the device information obtained from the server with the serial number of the connected lever handle lock, and if they do not match, disconnect. After connection, the device information will be displayed on the app. · The OS determines whether the connected lever handle lock is a pairing device bus. If it is not paired, pairing is performed according to the Passkey Entry procedure. · Connect to a paired lever handle lock. With the device information displayed, the app waits for the lock command for up to 5 seconds.

[0031] Figure 6 shows the flowchart for unlocking and locking from the outside of the building. First, the unlocking from the outside of the building will be explained. Press the Bluetooth button to start the smartphone app and tap the unlock button of the app. If the unlock key is verified and is OK, the lever handle lock is unlocked and the lever handle lock goes to sleep. Also, if the unlock verification fails, the lever handle lock is not unlocked and the lever handle lock goes to sleep. Next, the locking from the outside of the building will be explained. Press the Bluetooth button to start the smartphone app and tap the unlock button of the app. When the unlocking key is verified and is OK, the lever handle lock determines the detection distance from the smartphone. If it is less than the threshold value, the lever handle lock locks and is latched, and the lever handle lock goes to sleep. When the unlocking key is verified and is NG, the lever handle lock is not released, and the lever handle lock goes to sleep. The lever handle lock determines the detection distance from the smartphone to prevent the smartphone from being left indoors.

[0032] Figure 7 shows the unlocking and latching flowcharts from the indoor side. First, the unlocking from the indoor side will be described. Press the inner unlocking button of the lever handle lock. When the unlocking key is verified and is OK, the detection distance is determined. If it is less than the threshold value, the lever handle lock is unlocked and unlatched. Also, if it is greater than or equal to the threshold value, like in the case of an NG unlocking key, the lever handle lock goes to sleep. The latching from the indoor side will be described. Press the inner latching button of the lever handle lock. When the unlocking key is verified and is OK, the detection distance is determined. If it is less than the threshold value, the lever handle lock is latched and goes to sleep. When the unlocking key is verified and is NG, the lever handle lock goes to sleep.

[0033] Figure 8 discloses the emergency unlocking operation flowchart from the indoor side. Press and slide the emergency unlocking lever 2. Green is displayed on the display window 50, and the lock of the lever handle 25 is released.

[0034] Figure 9 discloses the operation flowchart when the battery runs out. When the remaining battery level in the latched state drops by a certain amount, the lock is automatically released and it becomes an unlocked state. This prevents troubles such as being unable to enter the room due to a dead battery from the outside of the house. General electronic locks are equipped with a mechanical key mechanism for emergency locking and unlocking. However, the electronic lock of this invention does not have a mechanical key mechanism for emergency use to convert an empty lock into an electronic lock. Therefore, the door lock of this invention is used in meeting rooms or rooms in a house that do not require high security but only need to maintain confidentiality.

[0035] In the door lock with the lever handle lock structure of this invention, since it can be combined with various authentication devices such as biometric authentication and password as an authentication device, in addition to a smartphone, even if multiple types of keys are used, the door lock can be utilized.

Explanation of Signs

[0036] 1. Lever Bush 2. Release Lever 3. Unit Cover 4. Support Plate 5. Lock Plate 6. Base Plate 7. Motor 8. Worm Gear 9. Worm Wheel 10. Lock Lever 11. Lock Lever Spring 12. Gear Return Spring 13. Lock Release Spring 14. Gear Case 15. Module Base 16. Module Cover 17. Module Cover Screw 18. Base Plate Fixing Screw 19. Lock Unit Fixing Screw 20. Module Base Mounting Screw 21. Lever Handle (Outdoor Side) 22. Lock Case 23. Door 24. Round Seat 25. Lever Handle (Indoor Side) 26. Lever Handle Fixing Screw 30. Battery Cover 31. Lithium battery 32. Locking button 33. Unlocking button 34. Waterproof cover for start button 35. Main board 36. Screw for fixing main board 37. BLE board 38. Double-sided tape for indoor side board cover 39. Indoor side board cover 40. Double-sided tape for fixing indoor unit 41. Double-sided tape for fixing indoor unit 42. Outdoor side board cover 43. Double-sided tape for outdoor side board cover 44. Screw for fixing sub-board 45. Sub-board 46. Waterproof cover for start button 47. BLE start button 48. Locking button 49. Unit cover 50. Display window.

Claims

1. The rotation of the motor 7 is transmitted to the worm gear 8, and the lock lever spring 11 pivotally supported by the worm wheel 9 by the worm gear 8 follows. The pin portion of the lock lever 10 is supported at the tip of the arm of the lock lever spring 11 in a state of being sandwiched between the root portion and the pin portion of the worm wheel 9. When the worm wheel 9 rotates forward and backward, the lock lever 10 moves up and down. The lock plate 5 inserted between the base plate 6 and the support plate 4 has the square core of the lever handle 21 inserted into the central square hole, and the lock plate 5 and the lever handle 21 are integrally structured to rotate. When the grooves of the lock plate 5 coincide with the grooves of the base plate 6 and the support plate 4, the lock lever 10 descends. In the state where the lock lever 10 has descended, even if an attempt is made to turn the lever handle 21, the lock lever 10 prevents it and the lever handle 21 cannot be turned. In a door lock having a lever handle lock structure, a BLE activation button 47 and a locking button 48 are provided in a unit cover 49 on the outside of the door, and a locking button 32 and an unlocking button 33 are accommodated in the unit cover 3 on the inside of the door. Further, the main board 35 and the BLE board 37 are also provided in the unit cover 3. Without carrying a smartphone, locking and unlocking operations cannot be performed, and the unlocking and locking operations by buttons can be performed in a state where it is recognized that the smartphone is within a certain range from the lever handle lock. A lever handle lock door lock characterized by this.

2. In the door lock having the lever handle lock structure described in Claim 1, the function of the lever handle lock recognizing the smartphone is characterized by limiting the detection distance using BLE advertisement or the like. A lever handle lock door lock.

3. In the door lock having the lever handle lock structure described in Claim 1, a battery cover 30 is provided on the unit cover 3 inside the door, and a lithium battery can be replaced. A lever handle lock door lock characterized by this.

4. In the door lock having the lever handle lock structure according to claim 1, an emergency unlocking lever 2 is provided on a unit cover 3 inside the door. In an emergency, to release the locking, the lever 2 is slid downward, mechanically disengaging the lock of the lever handle 25, and enabling the door 23 to be opened. A lever handle lock door lock characterized by this.

5. In the door lock having the lever handle lock structure according to claim 1, when the remaining battery level in the locked state drops by a certain number, the lock is automatically released and it becomes an unlocked state. A lever handle lock door lock characterized by this.

Images