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Lock with alarm function

A function and alarm technology, applied in the field of locks with alarm function, can solve the problems of complex structure, easy to be pried off, etc., and achieve the effect of strong security performance

Inactive Publication Date: 2012-07-04
姚郁超
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Locks often have keyholes, and there are marbles inside, which is determined by its structure; if there are keyholes, it is easy to be pried off, and if there are pinballs, the structure is complicated

Method used

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  • Lock with alarm function
  • Lock with alarm function

Examples

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Comparison scheme
Effect test

Embodiment Construction

[0011] Such as figure 1 As shown in -2, a lock with an alarm function described in the embodiment of the present invention includes a lock body 1, a movable inner core 2 is arranged in the lock body 1, and a contact 3 is arranged at the edge of the inner core 2, and the inner The inner side of the core 2 is connected to one end of the spring 4, the other end of the spring 4 is connected to the lock body 1, four contacts are arranged on the lock body corresponding to the contact 3 on the inner core 2, the first contact 8 and the fourth The contact 5 is connected with the alarm horn 10, the second contact 7 is connected with the motor 9, and the third contact 6 is a static contact.

[0012] During normal locking, the magnet inner core 2 is at the position of the third contact 6, and when opened with a matching key of different poles, the magnet inner core 2 is sucked to the position of the second contact 7, and the door opening motor 9 is connected. If it is not a matching magn...

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PUM

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Abstract

The invention relates to a lock with an alarm function. The lock comprises a lock body, wherein a movable inner core is arranged in the lock body, a contact point is arranged on the edge of the inner core, the inner side of the inner core is connected with one end of a spring, the other end of the spring is connected with the lock body, four contact points are arranged on the lock body corresponding to the contact point on the inner core, the first contact point and the fourth contact point are connected with an alarm loudspeaker, the second contact point is connected with a motor, and the third contact point is a fixed contact point. The lock disclosed by the invention has the benefits that, after the structure is adopted, if a magnetic key which is not matched with the lock, such as a same pole, is used, the magnet inner core can contract and be in contact with the fourth contact point, then a power supply of the alarm loudspeaker is turned on and alarm sound is further emitted.

Description

technical field [0001] The invention relates to a lock with an alarm function. Background technique [0002] Locks often have a keyhole and a pin inside, which is determined by its structure; if there is a keyhole, it is easy to be pried off, and if there is a pin, the structure is complicated. Contents of the invention [0003] The purpose of the present invention is to provide a lock with an alarm function. After adopting the above structure, if it is not a matching magnetic key, if the same polarity is used, the inner core of the magnet will shrink inward, contact the fourth contact, and receive an alarm. Brother horn power supply, alarm sound, overcome the above-mentioned deficiencies in the existing products. [0004] The purpose of the present invention is to realize through the following technical solutions: [0005] A lock with an alarm function, comprising a lock body, a movable inner core is arranged in the lock body, contacts are arranged on the edge of the in...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E05B45/06E05B35/00E05B47/00
Inventor 姚郁超
Owner 姚郁超