Spiral keyhole lock core and spiral key
2024-07-28 13:03:01
Spiral keyhole lock core and spiral key
A spiral keyhole lock core and a spiral key having a cylindrical lock core composed of a cylindrical inner core body and a circular outer core body fixedly assembled therewith, disposed along a mating surface of the inner and outer core bodies The spiral key hole is provided with a spiral key in cooperation with the key hole, and a key tooth socket is disposed on the key corresponding to the marble disposed on the outer core body. The utility model adopts a lock core with a spiral key hole and a spiral key, which completely changes the traditional straight track keyhole structure of the mechanical pin lock, so that it is difficult for the shackle to use the non-key tool to pluck the marble from the keyhole to unlock. And the use of hard objects to perform destructive unlocking through the keyhole, thereby greatly improving the safety and reliability of the lock.
A lock cylinder and a spiral key of a spiral keyhole, comprising a cylindrical lock cylinder provided with a radial bullet hole and configured with a marble, wherein the lock cylinder is composed of a cylindrical inner core body (1) and The fixed assembly of the outer sleeve core body (2) is formed, and a spiral key hole is arranged along the mating surface of the inner and outer core bodies; and a spiral key (3) is arranged in cooperation with the key hole. A key socket (5) is provided on the key (3) corresponding to the marble (4) disposed on the outer core (2).
| Patent No: | 200520024312 |
| Application date: | June 17, 2005 |
| Public/Announcement Day: | |
| Authorization announcement day: | August 2, 2006 |
| Applicant / Patentee: | Luo Zhiguo |
| Country/Province: | Hebei (13) |
| Applicant address: | No. 8, Unit 1, Building 18, Wenyaoli, Haigang District, Qinhuangdao City, Hebei Province |
| Zip code: | 066000 |
| Invention / Designer: | Luo Zhiguo |
| agent: | Xu Jiuli |
| Patent agency: | Qinhuangdao Patent Office (13102) |
| Patent agency address: | The former suburban government office of Jianshe Street, Qinhuangdao City, Hebei Province (066000) |
| Patent type: | invention |
| public account: | 0000000 |
| Announcement day: | August 2, 2006 |
| Authorization day: | 20 |
| Announcement number: | 2802003 |
| priority: | |
| Approval history: | |
| Number of drawings: | 1 |
| Number of pages: | 2 |
| Number of claims: | 1 |
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