A maintenance-friendly smart door lock

Abstract

This utility model relates to the field of connector housing processing tools, and more particularly to an easy-to-maintain smart lock. The easy-to-maintain smart lock provided by this utility model solves the technical problems of existing smart locks where dust easily adheres to the fingerprint reader and the battery compartment cover is easily damaged. An easy-to-maintain smart lock includes a front assembly located outdoors. By providing a horizontally recessed mounting groove on the front housing and mounting the fingerprint reader on the upper side wall of the mounting groove, the fingerprint reader is effectively hidden within the mounting groove. Furthermore, the fingerprint reader is positioned downwards, reducing direct contact with external dust, and under the influence of gravity, dust is less likely to adhere to the fingerprint reader. Since the fingerprint reader is no longer directly exposed to the outside environment, the chance of dust adhesion is greatly reduced, improving the accuracy and reliability of fingerprint recognition.

Description

Technical Field

[0001] This utility model relates to the field of connector housing processing tools, and in particular to an easy-to-maintain smart door lock. Background Technology

[0002] Smart locks are a type of electronic lock. They typically offer multiple authentication methods to achieve functions such as identification and unlocking. Common identification methods include fingerprint recognition, password entry via a password reader, and facial recognition. Identification is a key function of smart locks and is usually implemented by electronic components, such as fingerprint readers.

[0003] A smart lock is a type of lock that uses mechanical and electronic components to work together. The electronic components are used to identify the user and output control signals, while the mechanical components receive the control signals to lock or unlock the smart lock.

[0004] All existing smart locks include a battery to power the lock's electrical components. The battery needs to be charged or replaced after a period of use. In existing technology, the battery compartment cover is fixed to the housing with screws, making installation and removal inconvenient. Furthermore, because the cover is fixed to the housing with screws, the contact area between the screws and the cover is small, making the cover prone to stress concentration.

[0005] In addition, in existing technologies, fingerprint readers in smart door locks are usually installed in the housing and exposed to the outside world. Dust can easily adhere to the fingerprint reader, causing a decrease in the recognition accuracy of the fingerprint reader.

[0006] Therefore, existing smart door locks have technical problems such as dust easily adhering to the fingerprint reader and the battery compartment cover being easily damaged. Summary of the Invention

[0007] This utility model provides an easy-to-maintain smart door lock, which solves the technical problems of existing smart door locks where dust easily adheres to the fingerprint reader and the battery compartment cover is easily damaged.

[0008] Some implementation schemes for solving the above-mentioned technical problems include: An easy-to-maintain smart door lock includes a front component located outdoors; Rear assembly, the rear assembly being installed indoors; A lock cylinder assembly, located between the front assembly and the rear assembly, the lock cylinder assembly being used to open or lock the chamber door; The front assembly includes a front housing, the front housing is provided with a fingerprint reader, the front housing is provided with a mounting groove for mounting the fingerprint reader, the mounting groove is recessed into the front housing along the water direction, and the fingerprint reader is mounted on the upper side wall of the mounting groove; The rear assembly includes a rear housing with a battery compartment containing a battery that powers the fingerprint reader. The rear housing also has a cover that closes the battery compartment. The cover has a locking rod that is slidably connected to the cover. The rear housing has a locking groove that engages with the locking rod. The cover also has a knob that drives the locking rod into or out of the locking groove via a transmission mechanism.

[0009] Preferably, the front housing is further provided with a cover plate that covers the mounting groove and prevents dust from adhering to the fingerprint reader. The cover plate is rotatably connected to the lower side wall of the mounting groove, and a first elastic member is provided in the mounting groove to push the cover plate to close the mounting groove.

[0010] Preferably, the cover plate is provided with a wiping layer for wiping fingers. The wiping layer is attached to the cover plate by Velcro. The finger opens the cover plate by overcoming the elastic force of the first elastic element through the wiping layer and comes into contact with the fingerprint reader.

[0011] Preferably, the lower end of the cover plate is provided with a rotating shaft, and the side wall of the mounting groove is provided with a shaft hole that mates with the rotating shaft.

[0012] Preferably, the first elastic element includes a first elastic arm and a second elastic arm. The first elastic arm contacts the bottom wall of the mounting groove, and the second elastic arm contacts the cover plate. The first elastic arm and the second elastic arm are connected by an arc-shaped connecting arm, which contacts the lower side wall of the mounting groove.

[0013] Preferably, the connecting arm is bonded to the lower side wall of the mounting groove, and the front housing is provided with a stop to prevent the cover plate from rotating away from the mounting groove.

[0014] Preferably, the transmission mechanism includes a cam fixed to the knob and rotating with the knob, one end of the locking rod contacting the cam, and the cover is also provided with a guide ring for guiding the locking rod. The guide ring is provided with a guide hole through which the locking rod passes. Different positions of the cam contact the locking rod, causing the locking rod to enter or leave the locking groove.

[0015] Preferably, a second elastic element is provided between the locking rod and the guide ring to push the locking rod away from the locking groove. One end of the second elastic element is fixed to the guide ring, and the other end of the second elastic element is fixed to the locking rod.

[0016] Preferably, the compartment cover is further provided with an elastic element that uses the shape of the cam to circumferentially position the cam, the elastic element contacting the cam and using the concave portion of the cam to circumferentially position the cam.

[0017] Preferably, the easy-to-maintain smart lock also includes a control unit for controlling the lock cylinder, the control unit including a data processor, and the fingerprint reader communicating with the data processor; The control unit also includes a communication unit, through which the portable electronic device sends control signals to the control unit; The control unit also includes an identity recognition unit, which includes a QR code reader, a card sensor, and a password input device. The lock cylinder has a keyhole for unlocking with a key.

[0018] Compared with the prior art, the present invention has the following advantages: By creating a horizontally recessed mounting groove on the front housing and mounting the fingerprint reader on the upper sidewall of the groove, the fingerprint reader is effectively concealed within the groove. Furthermore, the downward-facing orientation of the fingerprint reader reduces direct contact with external dust, making it less prone to dust adhesion under gravity. Since the fingerprint reader is no longer directly exposed to the outside environment, the chance of dust accumulation is greatly reduced, thereby improving the accuracy and reliability of fingerprint recognition. Additionally, reduced dust corrosion helps extend the fingerprint reader's lifespan and lower maintenance costs.

[0019] A battery compartment is located on the rear housing and equipped with a cover featuring a locking lever and a knob. The knob drives a transmission mechanism, causing the locking lever to engage or disengage from the locking groove, enabling quick installation and removal of the cover. Compared to traditional screw-based fixing, this design makes cover installation and removal simpler and faster, improving maintenance efficiency. Due to the large mating area between the locking lever and the locking groove, and the fact that the locking process is achieved through a transmission mechanism, stress concentration on the cover is reduced, lowering the risk of damage. The tight fit between the locking lever and the locking groove ensures the stability of the cover after installation, preventing it from loosening or falling off due to vibration or external forces. Attached Figure Description

[0020] For illustrative purposes, several embodiments of the present invention are illustrated in the following figures. These figures are incorporated herein by reference and form part of the detailed description. In some cases, well-known structures and components are shown in block diagram form to avoid obscuring the concept of the subject matter of the present invention.

[0021] Figure 1 This is the front view of the present invention.

[0022] Figure 2 This is the left view of the present invention.

[0023] Figure 3 This is an exploded view of the present invention.

[0024] Figure 4 This is the front view of the warehouse cover.

[0025] Figure 5 This is a schematic diagram of the bin cover. For clarity, Figure 5 The elastic element has been omitted.

[0026] Figure 6 A diagram illustrating the preparation of pushing open the cover when the finger contacts the cover.

[0027] Figure 7 This is a diagram illustrating the action of a finger pushing open the cover and making contact with the fingerprint reader.

[0028] As shown in the figure: 1. Front assembly; 11. Front housing; 12. Fingerprint reader; 13. Mounting slot; 14. Cover plate; 15. First elastic element; 151. First elastic arm; 152. Second elastic arm; 153. Connecting arm.

[0029] 2. Rear assembly, 21. Rear housing, 22. Battery compartment, 23. Compartment cover, 24. Locking rod, 25. Transmission mechanism, 251. Cam, 252. Guide ring, 253. Second elastic element, 26. Elastic device.

[0030] 3. Lock cylinder assembly. Detailed Implementation

[0031] The specific embodiments shown below are intended to describe various configurations of the subject matter of this invention and are not intended to represent the only configuration in which the subject matter of this invention can be practiced. The specific embodiments include detailed descriptions intended to provide a thorough understanding of the subject matter of this invention. However, it will be clear and apparent to those skilled in the art that the subject matter of this invention is not limited to the specific details shown herein and can be practiced without these specific details.

[0032] Understandably, in this document, relational terms such as “first” and “second” are intended to distinguish one entity or operation from another, and are not intended to expressly or imply any actual relationship or order between these entities or operations.

[0033] The terms “comprising,” “including,” or any other variations thereof are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitation, an element defined by the phrase “comprising one…” does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0034] Reference Figures 1 to 7 As shown, an easy-to-maintain smart door lock includes a front component 1, which is located outdoors; Rear component 2, which is installed indoors; And a lock cylinder assembly 3, the lock cylinder assembly 3 being located between the front assembly 1 and the rear assembly 2, the lock cylinder assembly 3 being used to open or lock the chamber door; The front component 1 includes a front housing 11, the front housing 11 is provided with a fingerprint reader 12, the front housing 11 is provided with a mounting groove 13 for mounting the fingerprint reader 12, the mounting groove 13 is recessed into the front housing 11 along the water direction, and the fingerprint reader 12 is mounted on the upper side wall of the mounting groove 13. The rear assembly 2 includes a rear housing 21, which has a battery compartment 22. The battery compartment 22 houses a battery that supplies power to the fingerprint reader 12. The rear housing 21 also has a cover 23 that covers the battery compartment 22. The cover 23 has a locking rod 24 that is slidably connected to the cover 23. The rear housing 21 has a locking groove that engages with the locking rod 24. The cover 23 also has a knob that drives the locking rod 24 into or out of the locking groove via a transmission mechanism 25.

[0035] Understandably, dust moves downwards under gravity. Since the fingerprint reader 12 is positioned on the upper side wall of the mounting groove 13, facing downwards, dust is less likely to adhere to it. After recognizing an identity, the fingerprint reader 12 controls the lock cylinder assembly 3 to open or close via a corresponding control element. Specifically, if the fingerprint reader 12 recognizes an identity that meets the unlocking requirements, the control element opens the lock cylinder assembly 3. If the fingerprint reader 12 recognizes an identity that does not meet the unlocking requirements, the control element keeps the lock cylinder locked. If the fingerprint reader 12 repeatedly recognizes invalid information, it can also issue an alarm message via a control element, such as sending a message to a portable electronic device. This portable electronic device could be a smartphone or a smartwatch.

[0036] Understandably, by using the locking rod 24 in conjunction with the locking groove, compared to using screws to lock the cover 23, the locking rod 24 and the locking groove can have a larger contact area, which gives the cover 23 and the rear housing 21 a higher connection strength, and thus makes the cover 23 less prone to damage.

[0037] Understandably, using a knob to open or lock the cover 23 eliminates the need for tools when replacing or maintaining the battery, further making the smart lock easy to maintain.

[0038] Reference Figures 1 to 7 As shown, in some embodiments, the front housing 11 is further provided with a cover plate 14 that covers the mounting groove 13 and prevents dust from adhering to the fingerprint reader 12. The cover plate 14 is rotatably connected to the lower side wall of the mounting groove 13. A first elastic member 15 is provided in the mounting groove 13 to push the cover plate 14 to close the mounting groove 13.

[0039] In some embodiments, the cover plate 14 is provided with a wiping layer for wiping fingers. The wiping layer is attached to the cover plate 14 by Velcro. The finger opens the cover plate 14 and comes into contact with the fingerprint reader 12 by overcoming the elastic force of the first elastic member 15 through the wiping layer.

[0040] Reference Figures 6 to 7As shown, the wiping layer can be a layered material with water-absorbing properties, such as a cotton cloth layer or a sponge layer. The wiping layer can undergo a certain degree of elastic deformation. In practice, when unlocking is required, the finger overcomes the elastic force of the first elastic element 15 to push the cover plate 14 into the mounting groove 13. The side of the finger with the fingerprint contacts the wiping layer. During the rotation of the cover plate 14 into the mounting groove 13, the finger and the wiping layer are relatively displaced, and the wiping layer is used to wipe the finger. After the cover plate 14 is rotated into place, the fingerprint reader 12 is located directly above the finger, and the finger contacts the fingerprint reader 12 to achieve fingerprint recognition. After the fingerprint is recognized by the fingerprint reader 12, the finger is removed, and the cover plate 14 returns to the unforced position under the action of the first elastic element 15, closing the mounting groove 13.

[0041] Understandably, when a finger operates the cover plate 14, the bending of the finger causes the cover plate 14 to rotate. For example, the joint at the very tip of the finger can rest against the upper end of the opening of the mounting groove 13, and the finger can bend to move into the mounting groove 13. At this time, the finger only bends without moving, so that it can rub against the cover plate 14 while opening the cover plate 14, and use the wiping layer to wipe the finger, preventing dust on the finger from affecting the recognition accuracy of the fingerprint reader 12.

[0042] In some embodiments, the lower end of the cover plate 14 is provided with a rotating shaft, and the side wall of the mounting groove 13 is provided with a shaft hole that mates with the rotating shaft.

[0043] In some embodiments, the first elastic member 15 includes a first elastic arm 151 and a second elastic arm 152. The first elastic arm 151 contacts the bottom wall of the mounting groove 13, and the second elastic arm contacts the cover plate 14. The first elastic arm and the second elastic arm are connected by an arc-shaped connecting arm 153, and the connecting arm 153 contacts the lower side wall of the mounting groove 13.

[0044] The first elastic element 15 can also be replaced by a structure with elastic deformation capability, such as a spring or a sheet.

[0045] In some embodiments, the connecting arm 153 is bonded to the lower sidewall of the mounting groove 13, and the front housing 11 is provided with a stop to prevent the cover plate 14 from rotating away from the mounting groove 13.

[0046] Reference Figures 1 to 7 As shown, in some embodiments, the transmission mechanism 25 includes a cam 251 fixed to the knob and rotating with the knob, one end of the locking rod 24 contacts the cam 251, and the cover 23 is also provided with a guide ring 252 for guiding the locking rod 24. The guide ring 252 is provided with a guide hole through which the locking rod 24 passes. Different positions of the cam 251 contact the locking rod 24, causing the locking rod 24 to enter or leave the locking groove.

[0047] For example, the cam 251 and the knob can be an integrated structure. The friction between the cam 251, the knob and the cover 23 is used to position the circumferential position of the cam 251, so that the locking rod 24 and the locking groove are in a coordinated state.

[0048] To further improve the stability of the transmission mechanism 25, in some embodiments, a second elastic element 253 is provided between the locking rod 24 and the guide ring 252 to push the locking rod 24 away from the locking groove. One end of the second elastic element 253 is fixed to the guide ring 252, and the other end is fixed to the locking rod 24. The second elastic element 253 can be a spring. The second elastic element 253 can be sleeved on the locking rod 24.

[0049] In some embodiments, the compartment cover 23 is further provided with an elastic element 26 that uses the shape of the cam 251 to circumferentially position the cam 251. The elastic element 26 contacts the cam 251 and uses the recess of the cam 251 to circumferentially position the cam 251.

[0050] Understandably, the cam 251 is typically formed by a recess and a protrusion. The protrusion pushes the locking rod 24, causing it to engage with the locking groove. The recess accommodates the locking rod 24, preventing interference between the locking rod 24 and the cam 251 when the locking rod 24 disengages from the locking groove. Therefore, when the locking rod 24 engages with the locking groove, the recess is misaligned with the locking rod 24. At this time, the elastic element can contact the recess to lock the circumferential position of the cam 251.

[0051] In some embodiments, the elastic element 26 includes a ball that contacts the recess of the cam 251 and a spring that pushes the ball to maintain contact with the cam 251, one end of the spring being fixed to the ball and the other end of the spring being fixed to the cover 23.

[0052] In some embodiments, to further optimize the application performance of the smart lock, the easy-to-maintain smart lock also includes a control unit for controlling the lock cylinder, the control unit including a data processor, and the fingerprint reader 12 communicating with the data processor; The control unit also includes a communication unit, through which the portable electronic device sends control signals to the control unit; The control unit also includes an identity recognition unit, which includes a QR code reader, a card sensor, and a password input device. The lock cylinder has a keyhole for unlocking with a key.

[0053] The control unit, data processor, communication unit, and identification unit are all ordinary electronic components.

[0054] In practice, the communication unit implements Internet of Things (IoT) functionality. Specifically, the fingerprint reader can be used in conjunction with a portable electronic device to unlock the door; the door can be unlocked remotely using the fingerprint reader or the portable electronic device, or both can be used simultaneously. The card sensor can detect ID cards, and the ID card information detected by the card sensor is compared with the identity information stored in the public security system through the communication unit to further verify the information and improve security.

[0055] Because smart door locks have remote unlocking capabilities, the technical solution in this application is particularly suitable for online rental rooms or rental properties.

[0056] The above describes the subject matter technical solution of this utility model and its corresponding details. It is understood that the above description is only some implementation schemes of the subject matter technical solution of this utility model, and some details may be omitted in the specific implementation.

[0057] Furthermore, in some embodiments of the above utility model, multiple embodiments may be combined; however, due to space limitations, all such combinations will not be listed here. Those skilled in the art can freely combine the above embodiments according to their needs to achieve a better application experience.

[0058] When implementing the subject matter technical solution of this utility model, those skilled in the art can obtain other detailed configurations or drawings based on the subject matter technical solution and the accompanying drawings. Obviously, these details are still within the scope of the subject matter technical solution of this utility model without departing from it.

Claims

1. A maintenance friendly smart door lock characterized in that: Includes a front component (1), which is located outdoors; Rear assembly (2), which is installed indoors; and lock cylinder assembly (3), the lock cylinder assembly (3) being located between the front assembly (1) and the rear assembly (2), the lock cylinder assembly (3) being used to open or lock the chamber door; The front assembly (1) includes a front housing (11), the front housing (11) is provided with a fingerprint reader (12), the front housing (11) is provided with a mounting groove (13) for mounting the fingerprint reader (12), the mounting groove (13) is recessed into the front housing (11) along the water direction, and the fingerprint reader (12) is mounted on the upper side wall of the mounting groove (13); The rear assembly (2) includes a rear housing (21), which has a battery compartment (22) and a battery that supplies power to the fingerprint reader (12). The rear housing (21) also has a cover (23) that covers the battery compartment (22). The cover (23) has a locking rod (24) that is slidably connected to the cover (23). The rear housing (21) has a locking groove that cooperates with the locking rod (24). The cover (23) also has a knob that drives the locking rod (24) to enter or disengage from the locking groove via a transmission mechanism (25).

2. The maintenance friendly smart door lock according to claim 1, characterized in that: The front housing (11) is also provided with a cover plate (14) that covers the mounting groove (13) and prevents dust from adhering to the fingerprint reader (12). The cover plate (14) is rotatably connected to the lower side wall of the mounting groove (13). A first elastic member (15) is provided in the mounting groove (13) to push the cover plate (14) to close the mounting groove (13).

3. The maintenance friendly smart door lock according to claim 2, characterized in that: The cover plate (14) is provided with a wiping layer for wiping fingers. The wiping layer is attached to the cover plate (14) by Velcro. The finger opens the cover plate (14) by overcoming the elastic force of the first elastic element (15) through the wiping layer and comes into contact with the fingerprint reader (12).

4. The maintenance friendly smart door lock according to claim 3, characterized in that: The lower end of the cover plate (14) is provided with a rotating shaft, and the side wall of the mounting groove (13) is provided with a shaft hole that cooperates with the rotating shaft.

5. The serviceable smart door lock of claim 4, wherein: The first elastic element (15) includes a first elastic arm (151) and a second elastic arm (152). The first elastic arm (151) contacts the bottom wall of the mounting groove (13), and the second elastic arm contacts the cover plate (14). The first elastic arm and the second elastic arm are connected by an arc-shaped connecting arm (153), and the connecting arm (153) contacts the lower side wall of the mounting groove (13).

6. The serviceable smart door lock of claim 5, wherein: The connecting arm (153) is bonded to the lower side wall of the mounting groove (13), and the front housing (11) is provided with a stop to prevent the cover plate (14) from rotating away from the mounting groove (13).

7. The easy-to-maintain smart door lock according to claim 1, characterized in that: The transmission mechanism (25) includes a cam (251) fixed to the knob and rotating with the knob. One end of the locking rod (24) contacts the cam (251). The cover (23) is also provided with a guide ring (252) for guiding the locking rod (24). The guide ring (252) is provided with a guide hole through which the locking rod (24) passes. Different positions of the cam (251) contact the locking rod (24) to make the locking rod (24) enter or leave the locking groove.

8. The easy-to-maintain smart door lock according to claim 7, characterized in that: A second elastic element (253) is provided between the locking rod (24) and the guide ring (252) to push the locking rod (24) away from the locking groove. One end of the second elastic element (253) is fixed to the guide ring (252), and the other end of the second elastic element (253) is fixed to the locking rod (24).

9. The easy-to-maintain smart door lock according to claim 8, characterized in that: The cover (23) is also provided with an elastic element (26) that uses the shape of the cam (251) to circumferentially position the cam (251). The elastic element (26) contacts the cam (251) and uses the recess of the cam (251) to circumferentially position the cam (251).

10. The easy-to-maintain smart door lock according to claim 1, characterized in that: The easy-to-maintain smart lock also includes a control unit for controlling the lock cylinder, the control unit including a data processor, and the fingerprint reader (12) communicating with the data processor; The control unit also includes a communication unit, through which the portable electronic device sends control signals to the control unit; The control unit also includes an identity recognition unit, which includes a QR code reader, a card sensor, and a password input device. The lock cylinder has a keyhole for unlocking with a key.

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