Title:
BURGLARPROOF PRIMARY-SECONDARY ROW SHEET LOCK
Document Type and Number:
WIPO Patent Application WO/2015/024202
Kind Code:
A1
Abstract:
A burglarproof primary-secondary row sheet lock comprises a lock body (10) and a key (20). The lock body (10) comprises a lock housing (1) and a lock cylinder (2). The lock housing (1) is provided with a cylindrical chamber (11). A lock bolt groove (12) is formed on an inner wall of the cylindrical chamber (11). The lock cylinder (2) passes in the cylindrical chamber (11). A row sheet mounting groove (21), a lock bolt hole (22), a key hole (23) and a lock tongue (24) are formed on the lock cylinder (2). A first lock bolt groove (41) is formed at side edges of secondary row sheets (4). A secondary row sheet groove (51) passing through from the top to the bottom is formed on the primary row sheets (5). A second lock bolt groove (52) passing through the secondary row sheet groove (51) is formed at side edges of the primary row sheets (5). A plurality of the primary row sheets (5) is disposed in parallel in the row sheet mounting groove (21). The secondary row sheets (4) are inserted in the secondary row sheet groove (51). A sealing sheet (3) covers a groove opening of the row sheet mounting groove (21). A row sheet return spring (6) is disposed between the sealing sheet (3), each secondary row sheet (4) and each primary row sheet (5). A lock bolt (7) is inserted in the lock bolt hole (22). A lock bolt return spring (8) is disposed between the lock bolt (7) and the lock cylinder (2). The key (20) is provided with an insertion rod (201) capable of being inserted in the key hole (23). The insertion rod (201) is provided with a side bit (202) and a middle bit (203) capable of raising the secondary row sheets (4) and the primary row sheets (5) to align the first lock bolt groove (41) and the second lock bolt groove (52) with the lock bolt hole (22).
Inventors:
LIN SHAOLIAN (CN)
Application Number:
PCT/CN2013/081884
Publication Date:
February 26, 2015
Filing Date:
August 20, 2013
Export Citation:
Assignee:
XIAMEN MAKE LOCKS MANUFACTURER LTD (CN)
International Classes:
E05B29/06
Domestic Patent References:
| WO1993009318A1 | 1993-05-13 |
Foreign References:
| CN201802150U | 2011-04-20 | |||
| CN101235686A | 2008-08-06 | |||
| CN2926412Y | 2007-07-25 | |||
| CN201100018Y | 2008-08-13 | |||
| DE2153508A1 | 1973-05-03 |
Attorney, Agent or Firm:
XIAMEN SHINHWA PATENT & TRADEMARK AGENCY CO.,LTD. (CN)
厦门市新华专利商标代理有限公司 (CN)
厦门市新华专利商标代理有限公司 (CN)
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