Emergency unlocking structure and smart lock

Abstract

The present invention relates to the field of lock technology, and discloses an emergency unlocking structure and an intelligent lock. The emergency unlocking structure includes a limit plate, a lock core, a lock shell, a rotating seat, a driving member and a controller. The lock shell is coaxially sleeved on the lock core, and a slot and a mounting hole are provided on the outer surface of the lock shell. A limit portion is provided in the mounting hole corresponding to the limit hole. The limit portion has a limit state and a free state. In the limit state, the limit portion protrudes from the mounting hole and cooperates with the limit hole; in the free state, the limit portion is provided in the mounting hole and disengaged from the limit hole; the rotating seat is sleeved on the lock shell, and a first through hole is provided on the rotating seat. A clutch pin is provided in the first through hole. The clutch pin is suitable for axial movement along the first through hole. The insertion portion is provided corresponding to the slot, and the pushing portion is provided corresponding to the limit portion. The present invention drives the rotating seat to rotate and drives the lock shell and the lock core to rotate, thereby completing unlocking. The lock can be smoothly unlocked in an emergency. The structure is simple and easy to use, which brings a better experience to the user.

Description

Technical Field

[0001] The present invention relates to the technical field of locks, and in particular to an emergency unlocking structure and an intelligent lock. Background Art

[0002] A lock is a device used to protect property, premises, or information. A lock provides a means of limiting and controlling access, ensuring that only legitimate individuals or authorized individuals can use or enter a protected area or object. Locks can be used in a variety of applications, such as home door locks, office door locks, vehicle locks, safe locks, and computer combination locks.

[0003] Smart locks are becoming an increasingly popular choice for homeowners. They utilize non-mechanical key unlocking methods, such as fingerprints, Bluetooth, and passwords, offering significant convenience and improved security compared to traditional mechanical locks. However, electronic failures can render the lock inoperable. A backup mechanical key is often used to unlock the lock, but users often don't carry these keys with them or store them in a backup location where they are difficult to retrieve, making emergency unlocking impossible. Summary of the Invention

[0004] In view of this, the present invention provides an emergency unlocking structure and a smart lock to solve the problem that the user cannot perform emergency unlocking because the user does not carry a mechanical key with him or places the mechanical key in a spare place that is inconvenient to retrieve.

[0005] In a first aspect, the present invention provides an emergency unlocking structure, comprising:

[0006] A limiting plate with a limiting hole formed thereon;

[0007] Lock gallbladder;

[0008] The lock shell is coaxially sleeved on the lock core, and a slot and a mounting hole are provided on the outer surface of the lock shell. A limiting portion is provided in the mounting hole corresponding to the limiting hole, and the limiting portion has a limited state and a free state. In the limited state, the limiting portion protrudes from the mounting hole and cooperates with the limiting hole; in the free state, the limiting portion is provided in the mounting hole and disengaged from the limiting hole.

[0009] a rotating seat sleeved on the lock housing, the rotating seat being provided with a first through hole, a clutch pin being provided in the first through hole, the clutch pin being adapted to move axially along the first through hole, the clutch pin having a first end and a second end, the first end including an insertion portion and a pushing portion, the insertion portion being provided corresponding to the slot, and the pushing portion being provided corresponding to the limiting portion;

[0010] a driving member, to which a push plate is connected, the push plate being arranged corresponding to the second end;

[0011] a controller electrically connected to the driving member;

[0012] From the limited state to the free state, the controller controls the driving member to drive the push plate toward the second end, so that the insertion part is inserted into the slot and the pushing part pushes the limited part into the free state, and the rotating seat is suitable for driving the lock shell and the lock core to rotate together.

[0013] Beneficial effect: When the lock has an electronic failure and the user does not carry the mechanical key, the controller is controlled by the backup circuit, so that the driving part drives the push plate to insert the insertion part of the clutch pin into the slot, and the pushing part pushes the limit part into a free state. The rotating seat is driven by external force to rotate and drive the lock shell and lock core to rotate to complete the unlocking. The lock can be unlocked smoothly in an emergency. It has a simple structure and is easy to use, bringing a better experience to the user.

[0014] In an optional embodiment, the slot and the mounting hole are arranged on the same side of the lock housing, and the slot and the mounting hole are spaced apart.

[0015] Beneficial effect: By arranging the slot and the mounting hole on the same side of the lock shell, the clutch pin can be inserted into the slot and the limit part can be pushed into the mounting hole at the same time, so that the structure of the lock shell and the clutch pin is simple and easy to manufacture, thereby ensuring the stability of the emergency unlocking structure.

[0016] In an optional embodiment, a protrusion is provided on the lock housing, the protrusion protrudes from the outer surface of the lock housing toward an axial direction away from the lock housing, and the slot and the mounting hole are both opened in the protrusion.

[0017] Beneficial Effects: By providing a raised portion on the lock housing and locating the slot and mounting hole on the raised portion, the depth of the slot and mounting hole is guaranteed, thereby ensuring stable fit between the insertion portion and the slot, and between the mounting hole and the stopper. This prevents the insertion portion from separating from the slot or the stopper from separating from the mounting hole during emergency unlocking. Furthermore, providing the raised portion on the lock housing significantly reduces the weight of the lock housing and lowers its manufacturing cost.

[0018] In an optional embodiment, the insertion portion and the pushing portion are spaced apart, a limiting ring is provided in the first through hole, a second through hole is left on the limiting ring, the second end passes through the second through hole, and the diameter of the pushing portion is larger than the diameter of the second through hole.

[0019] Beneficial effect: By arranging a limiting ring in the first through hole, the second end of the clutch pin passes through the second through hole of the limiting ring, and the diameter of the pushing portion of the clutch pin is larger than the diameter of the second through hole, ensuring that the clutch pin is always arranged in the first through hole, preventing the clutch pin from detaching from the first through hole, and ensuring the stable operation of the emergency unlocking structure.

[0020] In an optional embodiment, the end surface of the second end is a curved surface, and the end surface cooperates with the push plate.

[0021] Beneficial effect: During emergency unlocking without a mechanical key, the end face of the second end is always in contact with the push plate. During the rotation of the rotating seat, the rotating seat drives the clutch pin to rotate together, causing the end face of the second end of the clutch pin to slide and rub on the push plate. By setting the end face of the second end to an arc surface, the friction between the end face and the push plate is reduced, thereby reducing the wear of the end face and the push plate.

[0022] In an optional embodiment, a first elastic member is further included, which is sleeved on the insertion portion and installed in the first through hole. One end of the first elastic member abuts against the inner wall of the rotating seat, and the other end abuts against the pushing portion. The first elastic member applies an elastic force to the clutch pin away from the slot.

[0023] Beneficial effect: When the push plate and the clutch pin are not in contact, the first elastic member applies an elastic force to the clutch pin in the direction away from the latch pin, so that the insertion portion of the clutch pin is disengaged from the slot, that is, the clutch pin is automatically reset, avoiding the insertion portion of the clutch pin being always inserted in the slot, thereby ensuring the safety of the emergency unlocking structure.

[0024] In an optional embodiment, it further includes a second elastic member, which is installed in the mounting hole. The end of the limiting portion is provided with a mounting groove corresponding to the second elastic member. One end of the second elastic member abuts the lock housing, and the other end abuts the limiting portion. The second elastic member applies an elastic force to the limiting portion in a direction away from the mounting hole.

[0025] Beneficial effect: When the push plate is not in contact with the clutch pin, a second elastic member is arranged in the mounting hole, and the second elastic member applies an elastic force to the limiting portion in a direction away from the mounting hole so that the limiting portion protrudes from the mounting hole, and then the limiting portion cooperates with the limiting hole to ensure that the lock shell is limited, thereby ensuring the safety of the emergency unlocking structure.

[0026] In an optional embodiment, the push surface of the push plate is arc-shaped, the push surface is suitable for contacting the second end, and the center of the arc is concentric with the center of the rotating seat.

[0027] Beneficial effect: By setting the push surface of the push plate to an arc shape, and setting the center of the arc concentrically with the center of the rotating seat, when the rotating seat rotates, the clutch pin that rotates with the rotating seat is always in contact with the arc push surface of the push plate, ensuring the stable operation of the emergency unlocking structure.

[0028] In an optional embodiment, it further includes a shell, a knob is hingedly provided on the rotating seat, and a placement slot is opened on the shell corresponding to the knob. When the knob is arranged in the placement slot, the slot corresponds to the position of the insertion part.

[0029] Beneficial Effects: When emergency unlocking is performed without a mechanical key, a knob is hingedly provided on the rotating base, and the knob can be pulled out to facilitate rotation of the rotating base, resulting in a simple structure and convenient operation. Furthermore, when the knob is placed in the placement slot, the slot and the insertion portion correspond in position. By placing the knob in the placement slot, the clutch pin on the rotating base and the slot on the lock housing are aligned, allowing the emergency unlocking mechanism to function normally the next time.

[0030] In a second aspect, the present invention further provides a smart lock, comprising: a back plate and an emergency unlocking structure, wherein the emergency unlocking structure is fixedly mounted on the back plate.

[0031] Beneficial effect: By setting the emergency unlocking structure on the back panel, when an electronic failure occurs and the user does not carry the mechanical key, the smart lock controls the controller through the backup circuit (for example, connecting to the controller through a mobile phone APP or through Bluetooth connection, etc.), so that the driving part drives the push plate to insert the insertion part of the clutch pin into the slot, and the pushing part pushes the limit part into a free state. The rotating seat is driven by external force to rotate, and the lock shell and lock core are driven to rotate together to complete the unlocking. The smart lock can be smoothly unlocked in an emergency. It has a simple structure and is easy to use, bringing a better experience to the user. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] In order to more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the specific embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0033] Figure 1 A cross-sectional view of an emergency unlocking structure according to an embodiment of the present invention;

[0034] Figure 2 Schematic diagram of the coordination of the rotating seat, the knob and the housing in an embodiment of the present invention;

[0035] Figure 3 for Figure 1 A partial enlarged schematic diagram of the middle lock core, lock housing and rotating seat;

[0036] Figure 4 Schematic diagram of the structure of the driving member, the rotating seat and the limiting plate in the embodiment of the present invention;

[0037] Figure 5 This is a cross-sectional view of the lock core, lock housing and rotating seat after they are assembled in an embodiment of the present invention;

[0038] Figure 6 Schematic diagram of the structure of the limiting plate in an embodiment of the present invention;

[0039] Figure 7 This is a schematic diagram of the structure of the lock core and the lock shell in an embodiment of the present invention;

[0040] Figure 8 Schematic diagram of the structure of the clutch pin in an embodiment of the present invention;

[0041] Figure 9 This is a schematic diagram of the structure of the cooperation between the rotating seat and the knob in an embodiment of the present invention;

[0042] Figure 10 for Figure 9 A structural diagram from another perspective.

[0043] Description of reference numerals:

[0044] 1. Limiting plate; 101. Limiting hole; 102. Rotating slot; 103. Third through-hole; 2. Lock core; 3. Lock shell; 301. Slot; 302. Mounting hole; 303. Protrusion; 4. Limiting portion; 401. Mounting slot; 5. Rotating seat; 501. First through-hole; 502. Fourth through-hole; 6. Clutch pin; 601. First end; 6011. Insertion portion; 6012. Pushing portion; 602. Second end; 7. Driving member; 8. Push plate; 9. Limiting ring; 901. Second through-hole; 10. First elastic member; 11. Second elastic member; 12. Shell; 1201. Placement slot; 13. Knob; 14. Back panel; 15. Mechanical key; 16. Pick. DETAILED DESCRIPTION

[0045] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without making creative efforts shall fall within the scope of protection of the present invention.

[0046] In related technologies, smart locks are becoming an increasingly popular choice for homeowners. Smart locks utilize non-mechanical key unlocking methods, such as fingerprints, Bluetooth, and passwords, bringing significant convenience to users and significantly improving security compared to traditional mechanical locks. However, when an electronic malfunction occurs in the lock, it may become impossible to open. A backup mechanical key is often used to unlock the lock. However, users generally do not carry mechanical keys with them or leave them in a backup location where they are difficult to retrieve, making it impossible for users to perform emergency unlocking.

[0047] In order to solve the above technical problems, the following Figures 1 to 10 , describing embodiments of the present invention.

[0048] According to an embodiment of the present invention, on the one hand, an emergency unlocking structure is provided, including a limit plate 1, a lock core 2, a lock shell 3, a rotating seat 5, a driving member 7 and a controller.

[0049] Specifically, if Figures 3 to 6 As shown, a limiting hole 101 is provided on the limiting plate 1 , and the limiting hole 101 is used to limit the rotation of the lock housing 3 on the limiting plate 1 .

[0050] Specifically, if Figures 3 to 5 As shown, the lock housing 3 is coaxially sleeved on the lock core 2. A slot 301 and a mounting hole 302 are provided on the outer surface of the lock housing 3. A limiting portion 4 is provided in the mounting hole 302. The limiting portion 4 is provided corresponding to the limiting hole 101 and is adapted to move axially along the mounting hole 302. The limiting portion 4 has a limited state and a free state. In the limited state, the limiting portion 4 protrudes from the mounting hole 302 and cooperates with the limiting hole 101. At this time, the lock housing 3 is limited on the limiting plate 1. In the free state, the limiting portion 4 is provided in the mounting hole 302 and is disengaged from the limiting hole 101. At this time, the lock housing 3 can rotate on the limiting plate 1.

[0051] Specifically, if Figures 3 to 5 As shown, the rotating seat 5 is sleeved on the lock shell 3, and a first through hole 501 is opened on the rotating seat 5. A clutch pin 6 is provided in the first through hole 501. The clutch pin 6 is suitable for axial movement along the first through hole 501, wherein the clutch pin 6 has a first end 601 and a second end 602, wherein the first end 601 includes an inserting portion 6011 and a pushing portion 6012, the inserting portion 6011 is arranged corresponding to the slot 301, and the pushing portion 6012 is arranged corresponding to the limiting portion 4.

[0052] Specifically, if Figures 3 to 5 As shown, the driving member 7 is connected to a push plate 8, which is arranged corresponding to the second end 602. The driving member 7 can push the push plate 8 to move toward the second end 602 of the clutch pin 6, so that the push plate 8 pushes the clutch pin 6 to move axially along the first through hole 501.

[0053] Specifically, the controller is electrically connected to the driving member 7 for controlling the driving member 7 .

[0054] From the limited state to the free state, the controller controls the driving member 7 to drive the push plate 8 toward the second end 602, so that the insertion portion 6011 of the clutch pin 6 is inserted into the slot 301, and the pushing portion 6012 pushes the limiting portion 4 into the free state. At this time, the limit between the lock shell 3 and the limiting plate 1 is cancelled, and the rotating seat 5 is suitable for driving the lock shell 3 and the lock core 2 to rotate together.

[0055] This emergency unlocking structure, when performing emergency unlocking without the need for a mechanical key 15, first controls the controller to drive the driving member 7, so that the driving member 7 drives the push plate 8 toward the clutch pin 6, until the push plate 8 pushes the second end 602 of the clutch pin 6 to insert the insertion portion 6011 of the clutch pin 6 into the slot 301 of the lock shell 3, so that the rotating seat 5 is connected to the lock shell 3, that is, the rotation of the rotating seat 5 can drive the lock shell 3 to rotate synchronously. The push plate 8 pushes the clutch pin 6 while driving the pushing part 6012 of the clutch pin 6 to push the limiting part 4, so that the limiting part 4 moves axially along the mounting hole 302 until the limiting part 4 moves to the inside of the mounting hole 302. At this time, the limiting hole 101 has no matching relationship with the limiting part 4, that is, the limiting part 4 is in a free state, and the lock shell 3 can rotate on the limiting plate 1. When there is no mechanical key 15 inserted into the lock core 2, the lock shell 3 and the lock core 2 are relatively fixed. The rotating seat 5 is driven by external force to rotate, driving the lock shell 3 and the lock core 2 to rotate together. The lock core 2 rotates to complete the unlocking.

[0056] When the mechanical key 15 is used to unlock the door, the stopper 4 protrudes from the mounting hole 302 and engages with the stopper hole 101, placing the stopper 4 in a restricted position. The lock housing 3 is now restrained on the stopper plate 1 and cannot rotate. The mechanical key 15 is inserted into the lock core 2, allowing the lock core 2 and lock housing 3 to rotate relative to each other. With the lock housing 3 fixed, the mechanical key 15 is rotated, thereby driving the lock core 2 to rotate, thereby unlocking the door.

[0057] When the mechanical key 15 is not present and the controller is not controlling the push plate 8, the limiting portion 4 protrudes from the mounting hole 302 and engages with the limiting hole 101, placing the limiting portion 4 in a restricted position. At this time, the lock housing 3 is restrained on the limiting plate 1 and cannot rotate. The insertion portion 6011 of the clutch pin 6 is not inserted into the slot 301 of the lock housing 3. This means that the rotation of the rotating base 5 cannot drive the lock housing 3 to rotate. At this time, the lock cannot be unlocked by external force driving the rotating base 5 to rotate, thus ensuring the safety of the emergency unlocking structure.

[0058] When an electronic failure occurs in the lock and the user does not carry the mechanical key 15, the controller is controlled by the backup circuit, so that the driving member 7 drives the push plate 8 to insert the insertion part 6011 of the clutch pin 6 into the slot 301, and the pushing part 6012 pushes the limiting part 4 into a free state. The rotating seat 5 is driven by an external force to rotate and drive the lock shell 3 and the lock core 2 to rotate, completing the unlocking. The lock can be unlocked smoothly in an emergency. It has a simple structure and is easy to use, giving users a better experience.

[0059] Specifically, if Figure 6 As shown, a rotation groove 102 is provided on the limiting plate 1 corresponding to the lock housing 3 , when the limiting portion 4 is in a free state, so that the lock housing 3 can rotate in the rotation groove 102 of the limiting plate 1 .

[0060] Specifically, if Figures 3 to 5 As shown, a paddle 16 is fixed on the lock core 2, and the rotation of the lock core 2 can drive the paddle 16 to rotate together to complete the unlocking operation. Figure 6 As shown, a third through hole 103 is defined on the limiting plate 1 , and the paddle 16 passes through the third through hole 103 .

[0061] In one embodiment, Figure 7 As shown, the slot 301 and the mounting hole 302 are arranged on the same side of the lock shell 3, and the slot 301 and the mounting hole 302 are arranged at intervals. By arranging the slot 301 and the mounting hole 302 on the same side of the lock shell 3, the clutch pin 6 can be inserted into the slot 301 while the limit portion 4 is pushed into the mounting hole 302, so that the structure of the lock shell 3 and the clutch pin 6 is simple and easy to manufacture, thereby ensuring the stability of the operation of the emergency unlocking structure.

[0062] In one embodiment, Figure 7 As shown, the lock housing 3 is provided with a raised portion 303, which protrudes from the outer surface of the lock housing 3 in a direction away from the axial center of the lock housing 3. The slot 301 and the mounting hole 302 are both defined on the raised portion 303. By providing the raised portion 303 on the lock housing 3 and locating the slot 301 and the mounting hole 302 on the raised portion 303, the depth of the slot 301 and the mounting hole 302 is guaranteed, thereby ensuring a stable fit between the insertion portion 6011 and the slot 301, and between the mounting hole 302 and the stopper 4. This prevents the insertion portion 6011 from separating from the slot 301, or the stopper 4 from separating from the mounting hole 302, during emergency unlocking. Furthermore, providing the raised portion 303 on the lock housing 3 significantly reduces the weight of the lock housing 3 and reduces the manufacturing cost of the lock housing 3.

[0063] In one embodiment, Figure 5 and Figure 8As shown, the insertion portion 6011 and the pushing portion 6012 are spaced apart. A retaining ring 9 is provided within the first through-hole 501, with a second through-hole 901 defined thereon. The second end 602 of the clutch pin 6 passes through the second through-hole 901, and the diameter of the pushing portion 6012 is greater than the diameter of the second through-hole 901. By disposing the retaining ring 9 within the first through-hole 501, the second end 602 of the clutch pin 6 passes through the second through-hole 901 of the retaining ring 9, and the diameter of the pushing portion 6012 of the clutch pin 6 is greater than the diameter of the second through-hole 901. This ensures that the clutch pin 6 is always located within the first through-hole 501, preventing the clutch pin 6 from disengaging from the first through-hole 501 and ensuring stable operation of the emergency unlocking mechanism.

[0064] In one embodiment, Figure 8 As shown, the end surface of the second end 602 is an arcuate surface, which cooperates with the push plate 8. During emergency unlocking without the mechanical key 15, the end surface of the second end 602 is always in contact with the push plate 8. During rotation of the rotating base 5, the rotating base 5 drives the clutch pin 6 to rotate together, causing the end surface of the second end 602 of the clutch pin 6 to slide and rub against the push plate 8. By setting the end surface of the second end 602 as an arcuate surface, the friction between the end surface and the push plate 8 is reduced, thereby reducing wear on the end surface and the push plate 8.

[0065] In one embodiment, Figure 5 As shown, the clutch 6 further includes a first elastic member 10, which is sleeved on the insertion portion 6011 and installed in the first through-hole 501. One end of the first elastic member 10 abuts against the inner wall of the rotating seat 5, and the other end of the first elastic member 10 abuts against the pushing portion 6012. The first elastic member 10 applies an elastic force to the clutch pin 6 in a direction away from the slot 301. When the push plate 8 and the clutch pin 6 are not in contact, the first elastic member 10 applies an elastic force to the clutch pin 6 in a direction away from the latch, causing the insertion portion 6011 of the clutch pin 6 to disengage from the slot 301. That is, the clutch pin 6 automatically resets, preventing the insertion portion 6011 of the clutch pin 6 from being constantly inserted in the slot 301, thereby ensuring the safety of the emergency unlocking structure.

[0066] The first elastic member 10 may be a spring, an elastic gasket, an elastic sleeve, etc., which is not specifically limited here and can be set according to specific circumstances.

[0067] In the case where the clutch pin 6 is automatically reset by relying on gravity, the first elastic member 10 may not be provided.

[0068] In one embodiment, Figure 5As shown, the lock mechanism further includes a second elastic member 11, which is installed in the mounting hole 302. A mounting groove 401 is provided at the end of the limiting portion 4 corresponding to the second elastic member 11. One end of the second elastic member 11 abuts the lock housing 3, and the other end is located in the mounting groove 401 and abuts against the limiting portion 4. The second elastic member 11 applies an elastic force to the limiting portion 4 in a direction away from the mounting hole 302. When the push plate 8 and the clutch pin 6 are not in contact, the second elastic member 11 is provided in the mounting hole 302. The elastic force applied by the second elastic member 11 to the limiting portion 4 in a direction away from the mounting hole 302 causes the limiting portion 4 to protrude from the mounting hole 302, thereby causing the limiting portion 4 to cooperate with the limiting hole 101, ensuring that the lock housing 3 is limited and the safety of the emergency unlocking structure is guaranteed.

[0069] The second elastic member 11 can be a spring, an elastic gasket, an elastic sleeve, etc., which is not specifically limited here and can be set according to specific circumstances.

[0070] In the case where the limiting portion 4 is matched with the limiting hole 101 by relying on gravity, the second elastic member 11 may not be provided.

[0071] In one embodiment, Figure 4 As shown, the push surface of the push plate 8 is arc-shaped and adapted to contact the second end 602, with the center of the arc being concentric with the center of the rotating seat 5. By configuring the push surface of the push plate 8 to be arc-shaped and the center of the arc being concentric with the center of the rotating seat 5, the clutch pin 6, which rotates with the rotating seat 5, always contacts the arc-shaped push surface of the push plate 8 when the rotating seat 5 rotates, thereby ensuring stable operation of the emergency unlocking mechanism.

[0072] In one embodiment, Figure 2 、 Figure 9 and Figure 10 As shown, the housing 12 is also included. A knob 13 is hingedly provided on the rotating seat 5. A placement slot 1201 is provided on the housing 12 corresponding to the knob 13. When the knob 13 is located in the placement slot 1201, the slot 301 corresponds to the position of the insertion portion 6011. When emergency unlocking is performed without a mechanical key 15, the knob 13 is hingedly provided on the rotating seat 5, so that the knob 13 can be pulled out to facilitate rotating the rotating seat 5. The structure is simple and easy to operate. At the same time, when the knob 13 is located in the placement slot 1201, the slot 301 corresponds to the position of the insertion portion 6011. By placing the knob 13 in the placement slot 1201, the clutch pin 6 on the rotating seat 5 is aligned with the slot 301 on the lock housing 3, so that the emergency unlocking structure can be used normally next time.

[0073] When the knob 13 is placed in the placement groove 1201, the knob 13 and the housing 12 are in the same plane, ensuring the integrity of the emergency unlocking structure.

[0074] Among them, such as Figure 9 and Figure 10 As shown, a fourth through hole 502 is formed on the rotating base 5 , and the fourth through hole 502 is arranged corresponding to the lock core 2 . The mechanical key 15 is suitable for passing through the fourth through hole 502 and inserted into the keyhole of the lock core 2 .

[0075] The working principle of the emergency unlocking structure in this embodiment is described as follows:

[0076] When emergency unlocking is performed without the need for the mechanical key 15, the controller is first controlled to drive the driving member 7, causing the driving member 7 to drive the push plate 8 toward the clutch pin 6 until the push plate 8 pushes the second end 602 of the clutch pin 6, inserting the insertion portion 6011 of the clutch pin 6 into the slot 301 of the lock housing 3, thereby connecting the rotating seat 5 to the lock housing 3. That is, the rotation of the rotating seat 5 can drive the lock housing 3 to rotate synchronously. The push plate 8 pushes the clutch pin 6 and simultaneously drives the pushing portion 6012 of the clutch pin 6 to push the limiting portion 4, causing the limiting portion 4 to move axially along the mounting hole 302 until the limiting portion 4 moves into the mounting hole 302. At this time, the limiting hole 101 and the limiting portion 4 are no longer engaged, that is, the limiting portion 4 is in a free state, and the lock housing 3 can rotate on the limiting plate 1. When no mechanical key 15 is inserted into the lock core 2, the lock housing 3 and the lock core 2 are relatively fixed. The rotation of the rotating seat 5 driven by external force drives the lock housing 3 and the lock core 2 to rotate, and the lock core 2 rotates to complete the unlocking. After unlocking is completed, the controller controls the driving member 7 to drive the push plate 8 to engage the clutch pin 6. The clutch pin 6 moves away from the slot 301 under the action of the first elastic member 10, so that the insertion portion 6011 is separated from the slot 301. At the same time, the limiting portion 4 moves away from the mounting hole 302 under the action of the second elastic member 11, so that the limiting portion 4 is engaged with the limiting hole 101, that is, the limiting portion 4 is in the limited state.

[0077] When the mechanical key 15 is used to unlock the door, the stopper 4 protrudes from the mounting hole 302 and engages with the stopper hole 101, placing the stopper 4 in a restricted position. The lock housing 3 is now restrained on the stopper plate 1 and cannot rotate. The mechanical key 15 is inserted into the lock core 2, allowing the lock core 2 and lock housing 3 to rotate relative to each other. With the lock housing 3 fixed, the mechanical key 15 is rotated, thereby driving the lock core 2 to rotate, thereby unlocking the door.

[0078] When the mechanical key 15 is not present and the controller is not controlling the push plate 8, the limiting portion 4 protrudes from the mounting hole 302 and engages with the limiting hole 101, placing the limiting portion 4 in a restricted position. At this time, the lock housing 3 is restrained on the limiting plate 1 and cannot rotate. The insertion portion 6011 of the clutch pin 6 is not inserted into the slot 301 of the lock housing 3. This means that the rotation of the rotating base 5 cannot drive the lock housing 3 to rotate. At this time, the lock cannot be unlocked by external force driving the rotating base 5 to rotate, thus ensuring the safety of the emergency unlocking structure.

[0079] According to an embodiment of the present invention, on the other hand, a smart lock is provided, including a back plate 14 and an emergency unlocking structure, wherein the emergency unlocking structure is fixed on the back plate 14 .

[0080] This smart lock sets the emergency unlocking structure on the back panel 14, so that when an electronic failure occurs and the user does not carry the mechanical key 15, the smart lock controls the controller through the backup circuit (for example, connecting to the controller through a mobile phone APP or connecting through Bluetooth, etc.), so that the driving member 7 drives the push plate 8 to insert the insertion part 6011 of the clutch pin 6 into the slot 301, and the pushing part 6012 pushes the limiting part 4 into a free state, and the rotating seat 5 is driven by external force to rotate, driving the lock shell 3 and the lock core 2 to rotate together, completing the unlocking. The smart lock can be smoothly unlocked in an emergency, has a simple structure, is easy to use, and brings a better experience to the user.

[0081] Although the embodiments of the present invention have been described with reference to the accompanying drawings, those skilled in the art may make various modifications and variations without departing from the spirit and scope of the present invention. Such modifications and variations are all within the scope defined by the appended claims.

Claims

1. An emergency unlocking structure, characterized in that: include: A limiting plate (1) having a limiting hole (101) formed thereon; Lock Gallbladder (2); A lock housing (3) is coaxially sleeved on the lock core (2); a slot (301) and a mounting hole (302) are provided on the outer surface of the lock housing (3); a limiting portion (4) is provided in the mounting hole (302) corresponding to the limiting hole (101); the limiting portion (4) has a limiting state and a free state; in the limiting state, the limiting portion (4) protrudes from the mounting hole (302) and cooperates with the limiting hole (101); in the free state, the limiting portion (4) is provided in the mounting hole (302) and is disengaged from the limiting hole (101); A rotating seat (5) is sleeved on the lock housing (3), and a first through hole (501) is provided on the rotating seat (5). A clutch pin (6) is provided in the first through hole (501), and the clutch pin (6) is suitable for axial movement along the first through hole (501). The clutch pin (6) has a first end (601) and a second end (602). The first end (601) includes an inserting portion (6011) and a pushing portion (6012). The inserting portion (6011) is provided corresponding to the slot (301), and the pushing portion (6012) is provided corresponding to the limiting portion (4). a driving member (7) having a push plate (8) connected thereto, the push plate (8) being arranged corresponding to the second end (602); A controller electrically connected to the driving member (7); From the limited state to the free state, the controller controls the driving member (7) to drive the push plate (8) toward the second end (602), so that the insertion portion (6011) is inserted into the slot (301) and the pushing portion (6012) pushes the limited portion (4) into the free state, and the rotating seat (5) is suitable for driving the lock shell (3) and the lock core (2) to rotate together.

2. The emergency unlocking structure according to claim 1, characterized in that: The slot (301) and the mounting hole (302) are arranged on the same side of the lock housing (3), and the slot (301) and the mounting hole (302) are spaced apart.

3. The emergency unlocking structure according to claim 2, characterized in that: The lock shell (3) is provided with a raised portion (303), which protrudes from the outer surface of the lock shell (3) toward the axial direction away from the lock shell (3), and the slot (301) and the mounting hole (302) are both opened in the raised portion (303).

4. The emergency unlocking structure according to claim 1, characterized in that: The inserting portion (6011) and the pushing portion (6012) are spaced apart from each other, a limiting ring (9) is provided in the first through hole (501), a second through hole (901) is left on the limiting ring (9), the second end (602) passes through the second through hole (901), and the diameter of the pushing portion (6012) is larger than the diameter of the second through hole (901).

5. The emergency unlocking structure according to claim 4, characterized in that: The end surface of the second end (602) is an arc surface, and the end surface cooperates with the push plate (8).

6. The emergency unlocking structure according to claim 4, characterized in that: The invention also includes a first elastic member (10), which is sleeved on the insertion portion (6011) and installed in the first through hole (501), one end of the first elastic member (10) abuts against the inner wall of the rotating seat (5), and the other end abuts against the pushing portion (6012), and the first elastic member (10) applies an elastic force to the clutch pin (6) in a direction away from the slot (301).

7. The emergency unlocking structure according to claim 6, characterized in that: The invention also includes a second elastic member (11), which is installed in the installation hole (302). The end of the limiting portion (4) is provided with a mounting groove (401) corresponding to the second elastic member (11). One end of the second elastic member (11) abuts the lock housing (3), and the other end abuts the limiting portion (4). The second elastic member (11) applies an elastic force to the limiting portion (4) in a direction away from the installation hole (302).

8. The emergency unlocking structure according to any one of claims 1 to 7, characterized in that: The push surface of the push plate (8) is arc-shaped, and the push surface is suitable for contacting the second end (602). The center of the arc is concentric with the center of the rotating seat (5).

9. The emergency unlocking structure according to any one of claims 1 to 7, characterized in that: The invention also includes a shell (12), a knob (13) is hingedly provided on the rotating seat (5), and a placement groove (1201) is provided on the shell (12) corresponding to the knob (13). When the knob (13) is arranged in the placement groove (1201), the slot (301) corresponds to the position of the insertion portion (6011).

10. A smart lock, characterized in that: include: Back plate (14); The emergency unlocking structure according to any one of claims 1 to 9, wherein the emergency unlocking structure is fixed on the back plate (14).

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