Switchable alarm mode lock head and lock

Abstract

The utility model discloses a lock head and lockset of switchable alarm mode, including lock body, install the lock cylinder of lock body, lock tongue and alarm module, the lock body is provided with the mounting hole of lock tongue sliding direction for, lock tongue is driven by lock cylinder to retractable sliding in mounting hole, and the hole bottom between lock tongue and mounting hole is provided with the ejection spring, the hole bottom fixed setting of mounting hole has hall switch, and hall switch is connected with alarm module electricity, the bottom of lock tongue is provided with the inductive block of corresponding cooperation with hall switch position, and lock cylinder can continue to rotate after being unlocked by key to drive lock tongue to move to the hole bottom direction of mounting hole, makes inductive block trigger hall switch, and then switches alarm mode of alarm module and opens or closes state. This technical scheme can complete the switching of alarm mode in the unlocking operation process synchronously, and does not need to operate the independent switch or dismounts the lock and adjusts the power state, and the operation process of alarm function switching is simplified.

Description

Technical Field

[0001] This utility model relates to a lock head and lock with switchable alarm modes. Background Technology

[0002] The existing alarm locks require an additional hidden switch button on the lock body or the alarm module to be turned off by removing the lock and cutting off the power, which is a rather cumbersome operation. Utility Model Content

[0003] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide a lock cylinder with switchable alarm modes, which realizes the opening or closing of the alarm module by controlling the lock cylinder to drive the lock tongue.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a lock head and lock with switchable alarm modes, including a lock body, a lock cylinder installed in the lock body, a bolt, and an alarm module. The lock body has a mounting hole for guiding the bolt to slide. The bolt is driven by the lock cylinder to slide and extend within the mounting hole. A push-out spring is provided between the bolt and the bottom of the mounting hole. A Hall switch is fixedly installed at the bottom of the mounting hole. The Hall switch is electrically connected to the alarm module. A sensing block corresponding to the position of the Hall switch is provided at the bottom of the bolt. After the lock cylinder is unlocked by the key, it can continue to rotate to drive the bolt to move towards the bottom of the mounting hole, causing the sensing block to trigger the Hall switch, thereby switching the alarm mode of the alarm module to on or off.

[0005] As a further improvement of this utility model, the alarm module includes a control unit, an alarm indication unit, and a power supply unit. The signal output terminal of the Hall switch is connected to the signal input terminal of the control unit, and the control output terminal of the control unit is electrically connected to the alarm indication unit. The power supply unit is electrically connected to the Hall switch, the control unit, and the alarm indication unit respectively to provide working power. The control unit is configured to toggle the alarm working state once each time it receives a trigger signal output by the Hall switch.

[0006] As a further improvement of this utility model, the alarm prompting unit is either a buzzer or an audible and visual warning module.

[0007] As a further improvement of this utility model, the lock body is provided with a charging interface, which is electrically connected to the power supply unit.

[0008] As a further improvement of this utility model, the lock cylinder is provided with an eccentric protrusion at one end facing the lock tongue, and the lock tongue is provided with a groove that cooperates with the protrusion at the position corresponding to the protrusion.

[0009] As a further improvement of this utility model, the bottom of the locking tongue is provided with a protrusion for the spring to be engaged.

[0010] As a further improvement of this utility model, a fixed ring is fixedly connected to the lock body, and a rotating ring is rotatably connected to the fixed ring. The rotating ring is provided with a locking slot that engages with the lock tongue after rotation.

[0011] As a further improvement of this utility model, the lock body also integrates a GPS module.

[0012] A lock comprising a lock cylinder improved from any of the above-mentioned solutions.

[0013] The beneficial effects of this utility model are: the technical solution can simultaneously complete the switching of alarm modes during the unlocking operation, without the need for additional operation of an independent switch or disassembly to adjust the power supply status, thus simplifying the operation process of switching alarm functions. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the present utility model; Figure 2 This is a schematic diagram of the internal structure of an embodiment of the present utility model; Figure 3 This is a schematic diagram of an embodiment of the present invention applied to a chain lock.

[0015] Reference numerals: 1. Lock body; 2. Lock cylinder; 3. Lock tongue; 4. Alarm module; 5. Mounting hole; 6. Push-out spring; 7. Hall switch; 8. Charging interface; 9. Protrusion; 10. Groove; 11. Protruding post; 12. Fixed ring; 13. Moving ring; 14. GPS module. Detailed Implementation

[0016] The present invention will now be described in further detail with reference to the embodiments shown in the accompanying drawings.

[0017] Reference Figure 1-3 As shown, a lock cylinder with switchable alarm modes includes a lock body, a lock cylinder mounted on the lock body, a bolt, and an alarm module. The lock body has a mounting hole for guiding the bolt to slide. The bolt is driven by the lock cylinder to slide and extend within the mounting hole. A push-out spring is provided between the bolt and the bottom of the mounting hole. A Hall switch is fixedly installed at the bottom of the mounting hole. The Hall switch is electrically connected to the alarm module. A sensing block corresponding to the position of the Hall switch is provided at the bottom of the bolt. After the lock cylinder is unlocked by the key, it can continue to rotate to drive the bolt to move towards the bottom of the mounting hole, causing the sensing block to trigger the Hall switch, thereby switching the alarm mode of the alarm module to on or off.

[0018] The lock cylinder is rotatably fitted into the mounting cavity inside the lock body. The bolt slides along the axial direction of the mounting hole, and the inner wall of the mounting hole provides circumferential restraint to the bolt, allowing it to extend and retract only axially. One end of the ejector spring abuts against the bottom face of the mounting hole, and the other end abuts against the bottom face of the bolt, providing an elastic force for the bolt to extend outward. The Hall switch is fixed to a preset position at the bottom of the mounting hole by adhesive, snap-fit, or threaded connection. Its signal pin is electrically connected to the corresponding input port of the alarm module via a wire. The sensing block is embedded and fixed in the bottom face of the bolt opposite to the Hall switch.

[0019] In the normal locked state, the ejector spring pushes the bolt out of the mounting hole, maintaining a preset distance between the sensor block and the Hall switch. The Hall switch is in an untriggered state, and the alarm module maintains its current alarm operation. When the key is inserted into the lock cylinder and turned to the unlocked position, continuing to turn the key will cause the lock cylinder to rotate further. The lock cylinder, through a transmission mechanism, drives the bolt to overcome the spring force of the ejector spring and move towards the bottom of the mounting hole, causing the sensor block at the bottom of the bolt to gradually approach the Hall switch. When the sensor block moves into the sensing range of the Hall switch, the Hall switch outputs a trigger signal to the alarm module. Upon receiving the signal, the alarm module completes a state switch of the alarm mode, i.e., switching from the open state to the closed state, and from the closed state to the open state. By rotating the lock cylinder to move the bolt and trigger the Hall switch, the alarm mode can be switched simultaneously with the unlocking operation, eliminating the need for a separate switching button, simplifying the external structure of the lock body, and improving operational convenience.

[0020] The alarm module includes a control unit, an alarm indication unit, and a power supply unit. The signal output terminal of the Hall switch is connected to the signal input terminal of the control unit, and the control output terminal of the control unit is electrically connected to the alarm indication unit. The power supply unit is electrically connected to the Hall switch, the control unit, and the alarm indication unit to provide working power. The control unit is configured to toggle the alarm working state once each time it receives a trigger signal output by the Hall switch.

[0021] The control unit, alarm notification unit, and power supply unit are all integrated into the internal cavity of the lock body. When the Hall switch is triggered by the sensing block, the Hall switch outputs a level transition signal to the control unit. After detecting this trigger signal, the control unit toggles the internally stored alarm status flag. If the current status is alarm-on, the flag switches to alarm-off, and the control unit stops outputting trigger commands to the alarm notification unit. If the current status is alarm-off, the flag switches to alarm-on, and the control unit enters a vigilance mode. When an abnormal trigger condition is detected, a drive signal can be output to the alarm notification unit. By processing the trigger signal with state toggling by the control unit, a single trigger corresponds to a single mode switch, allowing each deep rotation of the lock cylinder to complete a mode switch. This makes the operation logic more intuitive and allows users to quickly master the operation.

[0022] The alarm notification unit is either a buzzer or an audible and visual warning module. When the alarm notification unit uses a buzzer, the buzzer is fixedly installed inside the lock body, and a sound transmission hole corresponding to the position of the buzzer is opened on the surface of the lock body. The drive signal output by the control unit can control the buzzer to emit a prompting sound or an alarm sound, achieving on-site warning through sound prompts. When the alarm notification unit uses an audible and visual warning module, the audible and visual warning module includes a light-emitting component and a sound-emitting component. The light-emitting component can use LED beads, which are embedded in the outer surface of the lock body. In the alarm state, it can emit flashing light, which, combined with the warning sound of the sound-emitting component, can further enhance the on-site warning effect. Users can select the corresponding type of alarm notification unit according to the actual use scenario, or they can combine and configure multiple notification units at the same time to improve the adaptability of the alarm function and meet the warning and notification needs in different scenarios.

[0023] The lock body is equipped with a charging interface, which is electrically connected to the power supply unit. The charging interface is embedded and fixed to the side wall surface of the lock body, and its pins are electrically connected to the positive and negative terminals of the power supply unit via a charging management circuit. The power supply unit uses a rechargeable energy storage element. When an external charging plug is connected to the charging interface, external electrical energy can be delivered to the power supply unit through the charging management circuit to replenish its power. The charging management circuit can regulate the charging voltage and current, and also has overcharge protection, automatically cutting off the charging circuit after the power supply unit is fully charged, thus improving the safety of the charging process and extending the service life of the power supply unit. By providing a charging interface on the lock body, the power supply unit can be repeatedly charged and used without frequent disassembly of the lock body to replace the power supply element, making the later maintenance of the lock more convenient.

[0024] The lock cylinder has an eccentric protrusion at one end facing the bolt, and the bolt has a corresponding groove that mates with the protrusion. The protrusion and the end face of the lock cylinder are integrally formed. The groove is located on the end face of the bolt facing the lock cylinder. When the lock cylinder is rotated by the key, the eccentric protrusion rotates synchronously with the lock cylinder. The outer circumferential surface of the protrusion abuts against the inner wall of the groove, converting the rotational motion of the lock cylinder into linear motion of the bolt along the axial direction of the mounting hole, thereby driving the bolt to complete the extension and retraction actions and the movement towards the bottom of the hole. The use of the eccentric protrusion and groove mating structure to drive the bolt is simple and compact, making full use of the internal space of the lock body, and the transmission process is more stable.

[0025] The bottom of the latch is provided with a protrusion for the ejector spring to engage. The protrusion and the bottom end face of the latch are integrally formed. The outer diameter of the protrusion is adapted to the inner diameter of the ejector spring. The end of the ejector spring facing the latch is sleeved on the outer periphery of the protrusion. The side wall of the protrusion forms a radial limit on the ejector spring. The sensing block can be fixedly connected to the bottom of the protrusion or embedded in the protrusion through an opening at the bottom of the protrusion.

[0026] A fixed ring is fixedly connected to the lock body, and a rotating ring is rotatably connected to the fixed ring. The rotating ring has a locking notch that engages with the bolt when rotated. The fixed ring is fixed to the outer periphery of the lock body by fasteners. The fixed ring has a node that rotatably connects to the rotating ring. This node is connected by a pin, allowing the rotating ring to rotate around the pin. The locking notch is a notch structure formed in the side wall of the rotating ring, and the contour of the locking notch matches the contour of the protruding end of the bolt. During locking, rotating the rotating ring aligns the locking notch with the protruding position of the bolt. The bolt extends outward under the action of the push-out spring and engages with the locking notch, achieving circumferential limiting between the rotating ring and the lock body, thus completing locking. During unlocking, the lock cylinder drives the bolt to retract into the mounting hole, the bolt exits the locking notch, and the rotating ring can rotate freely, thus completing unlocking.

[0027] The lock body also integrates a GPS module. The GPS module is embedded in a cavity inside the lock body and can share a power supply unit with the alarm module for operating power, or it can be configured with an independent energy storage element. The GPS module can acquire the lock head's location information in real time and transmit the location data to a preset terminal device wirelessly. When the lock is in the alarm open state, if abnormal movement or forced entry is detected, the GPS module will continuously report location information, facilitating users or administrators to track the lock's location.

[0028] A lock includes a lock head as described above. By adopting the structure of the lock head, the lock can simultaneously switch the alarm mode during the unlocking operation without the need for additional operation of a separate switch or disassembly to adjust the power supply status. This simplifies the alarm function switching process and makes it more convenient to open and close the lock's alarm function. At the same time, it eliminates the need for an additional control switch on the outside of the lock body, reducing the risk of accidental activation or malicious damage to the external switch, thus balancing ease of operation and reliability.

[0029] The above description is merely a preferred embodiment of this utility model. The protection scope of this utility model is not limited to the above embodiments. All technical solutions falling within the scope of this utility model's concept are protected. It should be noted that for those skilled in the art, any improvements and modifications made without departing from the principle of this utility model should also be considered within the protection scope of this utility model.

Claims

1. A lock cylinder with switchable alarm modes, characterized in that, The lock includes a lock body, a lock cylinder mounted on the lock body, a bolt, and an alarm module. The lock body has a mounting hole for guiding the bolt to slide. The bolt is driven by the lock cylinder to slide and extend within the mounting hole. A push-out spring is provided between the bolt and the bottom of the mounting hole. A Hall switch is fixedly installed at the bottom of the mounting hole. The Hall switch is electrically connected to the alarm module. A sensing block is provided at the bottom of the bolt, corresponding to the position of the Hall switch. After the lock cylinder is unlocked by the key, it can continue to rotate to drive the bolt to move towards the bottom of the mounting hole, causing the sensing block to trigger the Hall switch, thereby switching the alarm mode of the alarm module to on or off.

2. The lock cylinder with switchable alarm modes according to claim 1, characterized in that, The alarm module includes a control unit, an alarm indication unit, and a power supply unit. The signal output terminal of the Hall switch is connected to the signal input terminal of the control unit, and the control output terminal of the control unit is electrically connected to the alarm indication unit. The power supply unit is electrically connected to the Hall switch, the control unit, and the alarm indication unit to provide working power. The control unit is configured to toggle the alarm working state once each time it receives a trigger signal output by the Hall switch.

3. The lock cylinder with switchable alarm modes according to claim 2, characterized in that, The alarm notification unit is either a buzzer or an audible and visual warning module.

4. The lock cylinder with switchable alarm modes according to claim 2, characterized in that, The lock body is provided with a charging interface, which is electrically connected to the power supply unit.

5. The lock cylinder with switchable alarm modes according to claim 1, characterized in that, The lock cylinder has an eccentric protrusion at one end facing the bolt, and the bolt has a groove corresponding to the protrusion that mates with the protrusion.

6. The lock cylinder with switchable alarm modes according to claim 1, characterized in that, The bottom of the latch is provided with a protrusion for the spring to engage.

7. The lock cylinder with switchable alarm modes according to claim 1, characterized in that, A fixed ring is fixedly connected to the lock body, and a rotating ring is rotatably connected to the fixed ring. The rotating ring is provided with a locking slot that engages with the lock tongue after rotation.

8. The lock cylinder with switchable alarm modes according to claim 1, characterized in that, The lock body also integrates a GPS module.

9. A lock, characterized in that, The lock includes a switchable alarm mode as described in any one of claims 1-8.

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