一种报警锁
By incorporating a power switch and a micro switch within the lock body, the alarm lock solves the problem of traditional locks being unable to temporarily disable the alarm, achieving both energy savings and enhanced security. It is suitable for scenarios requiring temporary alarm disabling.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- 平金鹏
- Filing Date
- 2025-08-23
- Publication Date
- 2026-07-17
AI Technical Summary
Traditional mechanical locks lack alarm functions and cannot be temporarily closed, making them vulnerable to damage and noise pollution in unattended environments. Existing alarm locks are also power-consuming, and their detection structures are not energy-efficient.
An alarm lock with a power switch was designed. The alarm function is switched by inserting a thin rod into the through hole and pressing the button. A micro switch is used to detect the locked state to reduce power consumption. The alarm function is realized by combining a vibration sensor and a buzzer.
It enables the alarm function to be temporarily turned off when needed, reducing power consumption, increasing battery life, and enhancing the practicality and security of the lock through power-saving design.
Smart Images

Figure CN224514935U_ABST
Abstract
Claims
1. An alarm lock, comprising a lock body, a locking rod, a main bolt, and a lock cylinder, wherein the lock body has a lock hole for inserting the locking rod, the main bolt and the lock cylinder are disposed within the lock body, and when the locking rod is inserted into the lock body, the main bolt locks the locking rod and the lock body together; rotating the lock cylinder unlocks the main bolt; the lock body contains a battery, a circuit board, and a sound generator; the lock body has a sound-emitting hole; the circuit board is electrically connected to the battery and the sound generator; the circuit board contains a vibration sensor; when the vibration sensor detects a vibration amplitude exceeding a set range, the sound generator emits an alarm sound, characterized in that... The lock body is equipped with a power switch and a button. The power switch is electrically connected to the circuit board. The outer wall of the lock body is provided with a first through hole, which intersects with the lock hole. The lock body is provided with a second through hole coaxial with the first through hole. The button is located at the inner end of the second through hole. By pressing the button of the power switch, the power on / off state of the circuit board can be switched. When the lock rod is inserted into the lock hole, the lock rod covers the second through hole.
2. An alarm lock as defined in claim 1 wherein, A connector is provided above the lock cylinder, and the connector has a protrusion. The main lock tongue has a slot, and the protrusion is located in the slot. A micro switch is provided on the side of the protrusion. The micro switch is electrically connected to the circuit board. When the lock cylinder is locked, the protrusion and the contact of the micro switch abut against each other, the micro switch is closed, and the vibration sensor is in working state. When the lock cylinder is unlocked, the lock cylinder rotates, which drives the connector to rotate and drives the main lock tongue to unlock through the protrusion. The protrusion and the micro switch disengage, the micro switch is disconnected, and the vibration sensor is in the off state.
3. An alarm lock as claimed in claim 1 or 2 wherein, The lock body includes a detachably connected lock shell and lock cover, the lock shell having a mounting hole for installing the main bolt.
4. An alarm lock as claimed in claim 3 wherein, The mounting hole opening is provided with a cover.
5. An alarm lock as claimed in claim 3 wherein, The lock housing has a first mounting groove, and the first mounting groove has an inner housing. The inner housing has a first cavity for placing the circuit board and a second cavity for placing the battery.
6. An alarm lock as defined in claim 3 wherein, The lock body also includes a switch box. The lock cover has a second mounting groove for mounting the switch box. The second through hole is provided on the switch box. The switch box includes an upper box and a lower box that are detachably connected. The power switch is located inside the switch box.
7. An alarm lock as claimed in claim 6 wherein, The upper surface of the upper box is provided with a first arc groove, and the corresponding lock cover is provided with a second arc groove. A secondary lock tongue is provided between the first arc groove and the second arc groove, and the outer end face of the secondary lock tongue is provided with chamfers at both the top and bottom.
8. An alarm lock as defined in claim 3 wherein, The lock housing is provided with a third mounting slot for placing a micro switch, and the side of the mounting slot near the lock cylinder is provided with a third through hole for the micro switch contact to pass through.