Electronic clutch structure for violence-resistant strong opening fingerprint lock

Abstract

This utility model discloses an electronic clutch structure for a fingerprint lock resistant to forced entry, comprising a housing and a clutch structure. The housing has an internal mounting cavity. The clutch structure includes an inner separating plate, an outer separating plate, a connector, a linkage component, and an actuator. The outer separating plate has a socket for insertion into an external handle connecting rod, and the connector has a through hole for insertion into a square rod in the external lock body structure. The inner and outer separating plates are connected, and an anti-forced entry component is provided between them to separate the inner and outer separating plates when the external handle is forcibly opened, thus preventing the inner separating plate from spinning freely. This utility model solves the problem in traditional fingerprint lock electronic clutch structures where the rotational power of the external handle connecting rod is directly transmitted to the lock body square rod through the clutch when the external handle is forcibly opened, resulting in the lock body being forcibly driven to unlock.

Description

Technical Field

[0001] This utility model relates to the field of fingerprint lock technology, specifically to an electronic clutch structure for preventing forced entry of fingerprint locks. Background Technology

[0002] In the field of smart lock technology, fingerprint locks are gradually becoming the mainstream choice due to their convenience and security. Their core component, the electronic clutch, plays a crucial role in connecting the outer handle to the lock body's square rod and transmitting unlocking power. Traditional fingerprint locks typically employ a design where the separator plate, connecting plate, and motor are directly linked. The outer handle's connecting rod is connected via the separator plate, which in turn connects to the lock body's square rod. During normal unlocking, the motor drives the connecting plate, enabling the separator plate to rotate synchronously with the connecting plate when the outer handle is turned, thus unlocking the lock. However, when the outer handle is forcibly opened, the external force acts directly on the clutch through the connecting rod, causing the rotational power of the separator plate to be transmitted unimpeded to the connecting plate and the lock body's square rod, ultimately driving the lock mechanism to forcibly unlock, resulting in insufficient security. Currently, protective designs for forced unlocking scenarios mainly focus on reinforcing the lock body's mechanical structure or adding sensor alarm functions, lacking an active mechanism to cut off the clutch's power transmission path, thus failing to fundamentally prevent the transmission of external force through the handle to the lock body. Utility Model Content

[0003] To address the shortcomings of existing technologies, this utility model provides an electronic clutch structure for fingerprint locks designed to prevent forced unlocking. This addresses the problem that in traditional fingerprint locks, the rotational power of the outer handle connecting rod is directly transmitted to the lock body square rod via the clutch when the outer handle is forcibly opened by external force, thus causing the lock body to be forcibly driven to unlock.

[0004] To achieve the above objectives, this utility model provides an electronic clutch structure for a fingerprint lock designed to prevent forced entry, comprising a housing for installation inside an external fingerprint lock and a clutch structure. The housing has an installation cavity for the clutch structure. The clutch structure includes an inner separating plate, an outer separating plate, a connector, a linkage component for engaging or disengaging the inner separating plate from the connector, and an actuator for driving the linkage component to engage the inner separating plate with the connector. The outer separating plate has a socket for inserting into an external handle connecting rod, and the connector has a through hole for inserting into a square rod in the external lock body structure. The inner and outer separating plates are connected, and an anti-forced entry component is provided between them to separate the inner and outer separating plates when the external handle is forcibly opened, thus allowing the inner separating plate to spin freely.

[0005] The advantages of adopting the above technical solution are: the cooperation between the shell and the mounting cavity provides a stable installation foundation for the clutch structure; the connection structure between the inner and outer separating plates, combined with the anti-forced opening component, can actively cut off the power transmission between them when the outer handle is forcibly opened, allowing the inner separating plate to spin freely and preventing the lock body square rod from being forcibly driven; at the same time, the design of the outer separating plate insertion hole and the outer handle connecting rod, and the connector through hole and the lock body square rod, ensures the accuracy of the power transmission path during normal unlocking; the above overall structure solves the problem of unobstructed power transmission during forced opening in traditional structures from the core transmission link of the clutch, significantly improving the anti-violent damage performance of fingerprint locks.

[0006] The present invention further comprises: a sliding hole is provided on the bottom wall of the connector; the linkage includes a pin that slides along the axis of the sliding hole and is disposed in the sliding hole; a slot is provided on the inner separating piece; and the actuator is linked with the pin to realize the insertion or separation of the pin and the slot.

[0007] The advantages of adopting the above technical solution are: the sliding fit between the connector bottom wall sliding hole and the pin in the above technology provides a direct action path for the linkage or disengagement of the inner separator plate and the connector. That is, the mating structure of the inner separator plate slot and the pin realizes the switching of power transmission state through linear sliding action. The structure is compact and the control logic is clear. The use of the pin form for the linkage component reduces the difficulty of processing and assembly, reduces the internal space occupied by the clutch, and is conducive to the overall miniaturization design of the fingerprint lock.

[0008] The present invention further comprises: the actuator includes a housing disposed in the mounting cavity and a motor built into the housing; the output end of the motor is coaxially disposed with the pin; when the motor is started, the output end of the motor passes through the housing and pushes up the pin, causing the pin to slide along the axis of the sliding hole to realize the mating of the pin and the slot; a return spring for driving the pin to slide and reset is connected between the inner peripheral wall of the sliding hole and the outer peripheral wall of the pin.

[0009] The advantages of adopting the above technical solution are as follows: The structure of the motor built into the housing of the actuator provides a stable power source for the pin drive. Specifically, the design where the output end of the motor directly lifts the pin upon startup achieves rapid conversion of electrical energy into mechanical action, improving the timeliness of the clutch response to unlocking commands and meeting the smooth operation requirements of smart locks. Furthermore, the coaxial arrangement of the motor output end and the pin reduces transmission energy loss and deviation, ensuring the pin's precise movement. The reset spring between the sliding hole and the pin provides the pin with an automatic reset force. When the actuator stops driving, the spring pushes the pin back to its initial position quickly, ensuring the clutch returns to normal disengagement. Simultaneously, the elastic buffering characteristic of the spring absorbs the impact energy of pin slippage, reducing damage to components from hard collisions and extending the clutch's service life. The reset spring also allows the pin to apply a radial load to the guide plate after reset, ensuring the lifting and resetting of the guide plate and housing when they are separate structures.

[0010] The present invention further comprises: wing plates protruding from both sides of the connector; the outer wall of the wing plate and the bottom wall of the connector are connected by a smooth arc surface to form a first guide surface; a guide plate is provided on the top wall of the housing; the radial cross section of the guide plate is arc-shaped and the inner wall surface of the guide plate is a second guide surface; the first guide surface and the second guide surface are in clearance fit and the arc direction of the first guide surface is consistent with the arc direction of the second guide surface.

[0011] The advantages of adopting the above technical solution are: the clearance fit and consistent arc direction design of the first guide surface and the second guide surface in the above technology effectively guide the relative movement trajectory between the connector and the housing, while the smooth arc surface structure reduces the frictional resistance of the movement and reduces the wear rate of the components. At the same time, the limiting effect of the guide surface prevents radial displacement when the connector rotates, ensures the alignment accuracy of the pin and the slot, and improves the long-term stability of the clutch.

[0012] To improve the precise fit between the first and second guide surfaces in the above-mentioned technology, the guide plate and the housing can be designed as separate structures. A motor drives the guide plate to move upwards to achieve precise fit between the first and second guide surfaces. Simultaneously, the rising of the guide plate synchronously drives the sliding of the pin, thereby effectively guiding the relative movement trajectory between the connector and the housing. The linkage structure between the motor and the pin in the above-mentioned technology is existing technology and can employ a lead screw and gear set structure. Specifically, the lead screw and the motor output end are arranged parallel to each other, and the end of the lead screw and the motor output end are connected by a gear set. The motor is configured with a moving connection so that when the motor starts, it drives the lead screw shaft to move up and down, thereby lifting the guide plate through the lead screw shaft. This achieves the abutment engagement between the second guide surface of the guide plate and the pin, and the guide plate lifts the pin. The lead screw shaft is divided into an upper shaft and a lower shaft. The upper shaft and the lower shaft are coaxial and threaded together so that the lower shaft is driven by the motor output end through a gear set. When the lower shaft rotates, the upper shaft is lifted and lowered. The upper shaft is linked to the guide plate so that the guide plate is lifted and lowered when the upper shaft is lifted and lowered. The linkage structure between the lead screw shaft and the motor in the above technology is existing technology, so it will not be described in detail.

[0013] This utility model further includes a manual unlocking structure, which includes a connecting plate detachably connected to the bottom of the housing, a lock cylinder rotatably mounted on the connecting plate, and a locking shaft that works in conjunction with the lock cylinder to rotate synchronously when the lock cylinder rotates. A locking plate is bent towards the housing on the locking shaft. The manual unlocking structure also includes a lifting shaft disposed in the housing. The end of the lifting shaft extends out of the housing and contacts the locking plate. When the lock cylinder rotates, the locking shaft drives the locking plate to rotate synchronously to realize the lifting of the lifting shaft. The beginning of the lifting shaft extends out of the housing and contacts the bottom wall of the guide plate.

[0014] The advantages of adopting the above technical solution are: In the above technology, the end of the lifting shaft extends out of the housing and is set to contact the locking plate so that when the lock cylinder rotates, it drives the lock shaft to rotate synchronously. At this time, the rotation of the lock shaft drives the locking plate to swing synchronously to lift the lifting shaft, so that the lifting shaft makes a lifting movement and the beginning of the lifting shaft extends out of the housing to lift the guide plate, so that the guide plate lifts the pin, thereby completing manual unlocking. Through the above technical setting, the unlocking function can be completed normally under special circumstances (such as power outage, damage to the fingerprint lock motor, etc.).

[0015] The present invention further comprises: the lifting shaft including a top shaft, a bottom shaft and a mating shaft coaxially aligned; the mating shaft being disposed at the bottom of the guide plate; an opening being provided on the housing; the top shaft and the bottom shaft being movably disposed in the opening along the axis of the opening; a limiting groove being provided at the bottom of the top shaft; a limiting part being provided at the position of the limiting groove on the bottom shaft; the limiting part being inserted into the limiting groove; a small spring being connected between the top of the top shaft and the mating shaft for driving the top shaft and the bottom shaft to slide and reset in the opening; and the end of the top shaft extending out of the housing and engaging with a locking plate to drive the bottom shaft to perform a lifting motion in the opening when the locking plate swings.

[0016] The advantages of adopting the above technical solution are as follows: In the above technology, the lifting shaft is replaced with a top shaft, a bottom shaft, and a mating shaft set at the bottom of the guide plate. Compared with the single shaft structure, the cooperation of the top shaft and the bottom shaft can avoid the problem of concentrated force that can easily lead to shaft deformation or jamming. At the same time, after replacing it with a top shaft and a bottom shaft, the force of the lifting motion is distributed to the two shafts through the insertion connection of the limiting groove and the limiting part, reducing single shaft wear and improving the structural resistance to deformation. It is especially more durable when frequently unlocking manually. At the same time, the cooperation of the limiting part and the limiting groove can limit the relative movement range of the top shaft and the bottom shaft, preventing the lifting shaft from being overlifted due to excessive swing amplitude of the locking plate, thereby preventing the guide plate or the pin from being damaged due to excessive force and protecting the integrity of the internal mechanical structure. Furthermore, the replaced structure in the above technology connects the top shaft and the mating shaft through a small spring. When the locking plate swings and drives the bottom shaft to rise, the spring can automatically drive the top shaft and the bottom shaft to slide and reset along the opening when the unlocking action is completed and the locking plate is reset. No manual operation is required, which simplifies the process and avoids failure of the next unlocking due to forgetting to reset.

[0017] The present invention further includes: the anti-forced opening component includes two locking plates disposed on the inner wall of the outer separating plate, the two locking plates being disposed opposite to each other and bent toward the outer wall of the inner separating plate, the inner separating plate having two slots, the two locking plates corresponding to the two slots and engaging with each other, the locking plates and slots being connected by a stamping process or a welding process.

[0018] The advantages of adopting the above technical solution are as follows: The anti-forced opening component uses a locking structure of a locking plate and a locking slot. During normal use, rotational power is transmitted through the engagement of the locking plate and the locking slot. However, when the outer handle is forcibly opened, the external force exceeds the locking strength, causing the locking plate to break, thus separating the locking plate from the locking slot. This results in the inner separation plate losing its driving function and spinning idly. The above technology ensures balanced force during normal transmission through a symmetrical design of double locking plates and double locking slots, and improves the reliability of the separation action through a redundant structure, avoiding failure of the anti-forced opening function due to unilateral failure. In the above technology, the locking plate and the locking slot are made by stamping or welding. The process involves two steps: stamping and welding. Stamping integrates the clamping plate and the outer separator plate, enhancing structural strength and consistency. Welding strengthens the connection between the clamping plate and the slot, improving the bond between the outer and inner separator plates and preventing the clamping plate from detaching after long-term use. These two processes adapt to different production scenarios, ensuring the stability of the anti-forced opening connection while reducing processing costs. This makes it suitable for large-scale industrial production. Compared to traditional bolt connections, this technology reduces the production and assembly of parts, thereby lowering costs and improving production efficiency.

[0019] The present invention further comprises: the housing includes a front cover plate and a rear cover plate, and the front cover plate and the rear cover plate are detachably connected.

[0020] The advantages of adopting the above technical solution are: the detachable connection between the front cover plate and the rear cover plate in the above technology makes it easier to install the clutch structure from the open end into the mounting cavity during assembly, reducing the difficulty of positioning internal components; the detachable design provides convenience for later maintenance, and the internal components of the clutch can be quickly repaired or replaced by removing the cover plate when they fail; the split shell structure reduces the complexity of the overall casting process and improves production efficiency.

[0021] The present invention further includes: a positioning hole is provided on the inner separating plate, an anti-breakage bolt is connected in the positioning hole, a positioning groove is provided on the front cover plate, the anti-breakage bolt is movably disposed in the positioning groove, and the radial cross section of the positioning groove is arc-shaped and the arc direction is consistent with the fan-shaped swing direction of the anti-breakage bolt.

[0022] The advantages of adopting the above technical solution are: the connection structure between the positioning hole and the anti-breakage bolt, combined with the arc-shaped positioning groove design of the front cover plate, restricts the excessive rotation of the inner separator plate under violent impact. That is, the anti-breakage bolt is movable in the positioning groove to allow the inner separator plate to swing normally, and prevents its overtravel movement by contacting the inner wall of the positioning groove with the bolt; the arc direction of the arc-shaped positioning groove is consistent with the swing direction of the bolt, ensuring uniform force during the limiting process, avoiding bolt breakage due to uneven load, and improving the structural durability of the clutch under violent scenarios.

[0023] The present invention is further provided that a reset torsion spring is connected between the front cover plate and the inner separation plate.

[0024] The advantage of adopting the above technical solution is that the reset torsion spring in the above technology provides elastic reset force to the inner separating plate. That is, after the inner separating plate is separated from the outer separating plate due to the anti-forced opening component, the torsion spring drives the inner separating plate to automatically return to the initial position, ensuring that the inner and outer separating plates are correctly matched again when unlocking normally next time. Attached Figure Description

[0025] Figure 1 This is a frontal three-dimensional view of the present invention;

[0026] Figure 2 This is a three-dimensional view of the rear side of the present invention;

[0027] Figure 3 for Figure 2 A partial perspective 3D view with the rear cover removed;

[0028] Figure 4 This is a three-dimensional view of the inner separating piece, outer separating piece, and connector in the mating state of this utility model;

[0029] Figure 5 for Figure 4 Exploded 3D view;

[0030] Figure 6 This is a three-dimensional view of the housing and the manual unlocking structure in the engagement state of this utility model;

[0031] Figure 7 for Figure 6 A 3D view with the rear cover removed;

[0032] Figure 8 This is a three-dimensional view of the housing and its linkage structure in the engagement state with the manual unlocking structure of this utility model.

[0033] Figure 9 This is a three-dimensional view of the engagement state of the lock cylinder, the housing, and their linkage structure in this utility model. Detailed Implementation

[0034] This utility model provides an electronic clutch structure for a fingerprint lock designed to prevent forced entry, comprising a housing for installation inside an external fingerprint lock and a clutch structure. The housing has an internal mounting cavity for the clutch structure. The clutch structure includes an inner separating plate 1, an outer separating plate 2, a connector 3, a linkage component for engaging or disengaging the inner separating plate 1 and the connector 3, and an actuator for driving the linkage component to achieve the engagement of the inner separating plate 1 and the connector 3. The outer separating plate 2 has a socket 21 for inserting into an external handle connecting rod, and the connector 3 has a through hole 31 for inserting into a square rod in the external lock body structure. The inner separating plate 1 and the outer separating plate 2 are connected and interlocked. A forced-opening device is provided between the inner and outer separating plates 1 and 2 to prevent the inner separating plate 1 from spinning freely when the outer handle is forcibly opened by external force. The bottom wall of the connector 3 has a sliding hole 32. The linkage includes a pin 33 that slides along the axis of the sliding hole 32. The inner separating plate 1 has a slot 11. The actuator engages with the pin 33 to achieve insertion or separation of the pin 33 and the slot 11. The actuator includes a housing 4 housed in the mounting cavity and a motor 41 built into the housing 4. The output end of the motor 41 is coaxial with the pin 33. When the motor 41 starts, its output end extends out of the housing 4 and pushes up the pin 33, causing the pin 33 to slide along the axis of the sliding hole 32. The connector 33 is inserted into the slot 11. Wing plates 34 protrude from both side walls of the connector 3. The outer wall of the wing plate 34 is smoothly connected to the bottom wall of the connector 3, forming a first guide surface 341. A guide plate 42 is provided on the top wall of the housing 4. The radial cross-section of the guide plate 42 is arc-shaped, and the inner wall surface of the guide plate 42 is a second guide surface 421. The first guide surface 341 and the second guide surface 421 are in clearance fit, and the arc direction of the first guide surface 341 is consistent with the arc direction of the second guide surface 421. The system also includes a manual unlocking structure, which includes a connecting plate detachably connected to the bottom of the housing, a lock cylinder 8 rotatably mounted on the connecting plate, and a lock shaft that is linked to the lock cylinder 8 to rotate synchronously when the lock cylinder 8 rotates. 81. A locking plate 82 is bent towards the housing on the locking shaft 81. The manual unlocking structure also includes a lifting shaft 83 disposed in the housing. The end of the lifting shaft 83 extends out of the housing and contacts the locking plate 82. When the lock cylinder 8 rotates, it drives the locking plate 82 to rotate synchronously through the locking shaft 81 to realize the lifting of the lifting shaft 83. The beginning of the lifting shaft 83 extends out of the housing and contacts the bottom wall of the guide plate. The lifting shaft 83 includes a top shaft 91, a bottom shaft 92, and a mating shaft 94 that are coaxially aligned. The mating shaft 94 is disposed at the bottom of the guide plate. An opening 43 is provided on the housing. The top shaft 91 and the bottom shaft 92 are movably disposed in the opening 43 along the axial direction of the opening 43. A limit groove 921 is provided at the bottom of the top shaft 91.The bottom shaft 92 is provided with a limiting part 911 corresponding to the limiting groove 921. The limiting part 911 is inserted into the limiting groove 921. A small spring 93 is connected between the top of the top shaft 91 and the mating shaft 94 to drive the top shaft 91 and the bottom shaft 92 to slide and reset in the opening 43. The end of the top shaft 91 extends out of the housing and is linked with the locking piece 82 to drive the bottom shaft 92 to lift in the opening 43 when the locking piece 82 swings. A reset spring 321 is connected between the inner peripheral wall of the sliding hole 32 and the outer peripheral wall of the pin 33 to drive the pin 33 to slide and reset. The anti-forced opening component includes two clamping plates 22 provided on the inner wall of the outer separation piece 2. The two clamping plates 22 are arranged opposite each other and bent toward the outer wall of the inner separation piece 1. The inner separating plate 1 has two slots 12, and two retaining plates 22 correspond one-to-one with the two slots 12 and are engaged. The retaining plates 22 and slots 12 are connected by stamping or welding. The housing includes a front cover plate 5 and a rear cover plate 51, which are detachably connected. The inner separating plate 1 has a positioning hole 13, and an anti-breakage bolt 14 is connected to the positioning hole 13. The front cover plate 5 has a positioning groove 52, and the anti-breakage bolt 14 is movably disposed in the positioning groove 52. The radial cross-section of the positioning groove 52 is arc-shaped, and the arc direction is consistent with the fan-shaped swing direction of the anti-breakage bolt 14. A return torsion spring 53 is connected between the front cover plate 5 and the inner separating plate 1.

[0035] Specific implementation process of this device:

[0036] I. Normal unlocking procedure:

[0037] 1. Fingerprint verification trigger: After the user completes identity verification through fingerprint recognition, the fingerprint lock control module sends a start command to the actuator (motor);

[0038] 2. Actuator drives linkage: When the motor starts, the output end passes through the housing and pushes up the pin (linkage) axially. The pin overcomes the spring force of the return spring and slides inward along the sliding hole on the bottom wall of the connector.

[0039] 3. Linkage between the inner separator and the connector: The front end of the pin is inserted into the slot of the inner separator to complete the rigid linkage between the inner separator and the connector. At this time, the inner separator and the connector form a synchronously rotating whole.

[0040] 4. Power transmission to the lock body: When the user turns the outer handle, the connecting rod of the outer handle drives the outer separating plate to rotate synchronously through the insertion hole of the outer separating plate; since the inner separating plate and the outer separating plate are connected by the card plate and the card slot, the rotation of the outer separating plate is synchronously transmitted to the inner separating plate, and then transmitted to the square rod of the lock body through the linkage connector, driving the internal mechanism of the lock body to complete the unlocking action;

[0041] 5. Reset Mechanism: After unlocking, the motor is powered off, and the pin slides out of the slot along the sliding hole under the action of the reset spring, and the inner separator plate is released from the linkage with the connector; when the outer handle is reset, the inner separator plate returns to the initial position under the action of the reset torsion spring, waiting for the next instruction.

[0042] II. Procedures for preventing forced entry:

[0043] 1. External impact trigger: When the outer handle is forcibly opened by external force, the connecting rod of the outer handle applies a rotational force exceeding the normal unlocking torque to the outer separation plate through the socket;

[0044] 2. Prevention of forced separation: The clamping strength between the outer separator plate and the inner separator plate groove is insufficient to withstand violent torque, causing the clamping plate to break and separate from the groove, thus interrupting the power transmission between the inner and outer separator plates.

[0045] 3. Inner separator plate idling: The outer separator plate continues to rotate under external force, but the inner separator plate idling or relatively stationary due to the loss of the clamping plate driving action (only swinging slightly within the arc range limited by the positioning groove, and the anti-breakage bolt contacting the groove wall to avoid overtravel);

[0046] 4. Lock body protection complete: The inner separator cannot transmit power to the lock body square bar through the connector when it is spinning freely. The internal mechanism of the lock body remains locked, and forced opening fails.

[0047] 5. State Reset: After the violent impact ends, the inner separator plate returns to its initial position or remains in a constant position under the action of the reset torsion spring. The locking plate and the locking slot can be re-engaged (requires manual reset of the outer handle or adjustment through the internal mechanism of the lock body), and the clutch returns to normal working state.

[0048] The lock body structure (i.e., lock cylinder, square rod, etc.) and electronic unlocking structure (e.g., control chip, etc.) inside the fingerprint lock mentioned above are all existing technologies, so their structure and connection structure with this technology will not be described in detail.

[0049] The external handle connecting rod described in the above technology is identified as 6 in the accompanying drawings.

[0050] In the above-described technology, the upper shaft is designated as 71, the lower shaft as 72, and the gear set as 73 in the accompanying drawings.

[0051] The foregoing has shown and described the basic principles and main features of this utility model, as well as its advantages. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications may be made to this utility model without departing from its spirit and scope. All such changes and modifications fall within the scope of protection of this utility model as defined by the appended claims and their equivalents.

Claims

1. An electronic clutch structure for a fingerprint lock resistant to forced entry, comprising a housing for installation inside an external fingerprint lock and a clutch structure, wherein the housing has an internal mounting cavity for installing the clutch structure, characterized in that: The clutch structure includes an inner separating plate, an outer separating plate, a connector, a linkage component for engaging or disengaging the inner separating plate and the connector, and an actuator for driving the linkage component to achieve the engagement of the inner separating plate and the connector. The outer separating plate has a socket for inserting into the connecting rod of the external handle, and the connector has a through hole for inserting into the square rod in the external lock body structure. The inner separating plate and the outer separating plate are connected and an anti-forced opening component is provided between the inner separating plate and the outer separating plate to separate the inner separating plate and the outer separating plate when the external handle is forcibly opened, so as to achieve free rotation of the inner separating plate.

2. The electronic clutch structure for a violence-resistant, forced-entry-resistant fingerprint lock according to claim 1, characterized by: The connector has a sliding hole on its bottom wall. The linkage includes a pin that slides along the axis of the sliding hole and is disposed in the sliding hole. The inner separating plate has a slot. The actuator works in conjunction with the pin to achieve the insertion or separation of the pin and the slot.

3. The electronic clutch structure for a violence-resistant, forced-entry-resistant fingerprint lock according to claim 2, characterized in that: The actuator includes a housing disposed in the mounting cavity and a motor built into the housing. The output end of the motor is coaxially arranged with the pin. When the motor is started, the output end of the motor passes through the housing and pushes up the pin, causing the pin to slide along the axis of the sliding hole to achieve the mating of the pin and the slot. A return spring for driving the pin to slide and reset is connected between the inner peripheral wall of the sliding hole and the outer peripheral wall of the pin.

4. The electronic clutch structure for a violence-resistant, forced-entry-resistant fingerprint lock according to claim 3, wherein: The connector has protruding wing plates on both sides. The outer wall of the wing plate is connected to the bottom wall of the connector in a smooth arc and forms a first guide surface. The top wall of the housing is provided with a guide plate. The radial cross section of the guide plate is arc-shaped and the inner wall surface of the guide plate is a second guide surface. The first guide surface and the second guide surface are in clearance fit and the arc direction of the first guide surface is consistent with the arc direction of the second guide surface.

5. The electronic clutch structure for a violence-resistant, forced-entry-resistant fingerprint lock according to claim 4, characterized in that: It also includes a manual unlocking structure, which includes a connecting plate detachably connected to the bottom of the housing, a lock cylinder rotatably mounted on the connecting plate, and a locking shaft that works in conjunction with the lock cylinder to rotate synchronously when the lock cylinder rotates. A locking plate is bent towards the housing on the locking shaft. The manual unlocking structure also includes a lifting shaft disposed in the housing. The end of the lifting shaft extends out of the housing and is in contact with the locking plate. When the lock cylinder rotates, the locking shaft drives the locking plate to rotate synchronously to realize the lifting of the lifting shaft. The beginning of the lifting shaft extends out of the housing and is in contact with the bottom wall of the guide plate.

6. The electronic clutch structure for a violence-resistant, forced-entry-resistant fingerprint lock according to claim 5, wherein: The lifting shaft includes a top shaft, a bottom shaft, and a mating shaft that are coaxially aligned. The mating shaft is located at the bottom of the guide plate. An opening is provided on the housing. The top shaft and the bottom shaft are movably disposed in the opening along the axis of the opening. A limiting groove is provided at the bottom of the top shaft. A limiting part is provided on the bottom shaft corresponding to the position of the limiting groove. The limiting part is inserted into the limiting groove. A small spring is connected between the top of the top shaft and the mating shaft for driving the top shaft and the bottom shaft to slide and reset in the opening. The end of the top shaft extends out of the housing and is linked with a locking plate to drive the bottom shaft to perform a lifting movement in the opening when the locking plate swings.

7. The electronic clutch structure for a forced open fingerprint lock against violence according to claim 1, characterized in that: The anti-forced opening component includes two locking plates disposed on the inner wall of the outer separation plate. The two locking plates are disposed opposite to each other and bent toward the outer wall of the inner separation plate. Two slots are formed on the inner separation plate. The two locking plates correspond one-to-one with the two slots and are locked together. The locking plates and slots are connected by a stamping process or a welding process.

8. The electronic clutch structure for a violence-resistant, forced-entry-resistant fingerprint lock according to claim 7, wherein: The housing includes a front cover and a rear cover, which are detachably connected.

9. The electronic clutch structure for a violence-resistant, forced-entry-resistant fingerprint lock according to claim 8, wherein: The inner separating plate has a positioning hole, and an anti-breakage bolt is connected in the positioning hole. The front cover plate has a positioning groove, and the anti-breakage bolt is movably disposed in the positioning groove. The radial cross section of the positioning groove is arc-shaped and the arc direction is consistent with the fan-shaped swing direction of the anti-breakage bolt.

10. The electronic clutch structure for an anti-forced unlocking fingerprint lock according to claim 8, characterized in that: A reset torsion spring is connected between the front cover plate and the inner separator plate.

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