CN102877711B - Locking piece for anti-theft lock - Google Patents
Locking piece for anti-theft lock Download PDFInfo
- Publication number
- CN102877711B CN102877711B CN201210357615.0A CN201210357615A CN102877711B CN 102877711 B CN102877711 B CN 102877711B CN 201210357615 A CN201210357615 A CN 201210357615A CN 102877711 B CN102877711 B CN 102877711B
- Authority
- CN
- China
- Prior art keywords
- lock
- locking member
- tapered end
- lock locking
- lock body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Burglar Alarm Systems (AREA)
Abstract
The invention discloses a locking piece for an anti-theft lock, which comprises a lock tongue, a locking part and a lock body, wherein the locking part is connected to the lower part of the lock tongue; and the lock body is mounted in the center of the locking part. The locking piece is characterized by further comprising a lock head separation blade, a lock head separation blade spring, a lock tongue locking piece, a lock tongue locking piece spring and a nail foot, wherein a lock hole is formed in the center of the lock body; the lock head separation blade is mounted above the lock hole of the lock body; the nail foot is rivetted to the upper part of the lock head separation blade of the lock body; the lock head separation blade spring is connected to the upper side of the lock head separation blade; the lock tongue locking piece abutted with the position of the nail foot is mounted on the locking body; and the lock tongue locking piece spring is arranged on the lock tongue locking piece. The locking piece is simple in structure and high in anti-theft performance.
Description
Technical field
The invention belongs to hardware article field, particularly relate to a kind of theftproof lock locking piece.
Background technology
In daily life, the door of building, furniture are provided with lockset.Lockset kind is a lot, and general lock all adopts cylinder lock, when forcing when adopting external force interrupt or destroy tapered end, utilizes simple tool to open dead bolt, make tapered end and lock status from, lockset is opened, and thus theftproof performance is not fine, poor stability.How to prevent tapered end to be destroyed utilizing simple tool to open dead bolt is the direction that those skilled in the art studies.
Summary of the invention
The technical problem to be solved in the present invention overcomes existing defect, provides the theftproof lock locking piece that a kind of structure is simple, theftproof performance is strong.
In order to solve the problems of the technologies described above, the invention provides following technical scheme:
A kind of theftproof lock locking piece, comprise dead bolt, lock body, lock body, described dead bolt bottom is connected with lock body, on described lock body, center is provided with lock body, it is characterized in that: also comprise tapered end catch, tapered end catch spring, bolt lock locking member, bolt lock locking member spring, nail pin, described lock body center offers lockhole, is provided with tapered end catch above the lockhole of described lock body, described nail pin is riveted on above the tapered end catch of lock body, is connected with tapered end catch spring on the upside of described tapered end catch; Described lock body being provided with the bolt lock locking member adjacent with following closely placement of foot, described bolt lock locking member being provided with bolt lock locking member spring.
The lower limb of described tapered end catch is provided with arc notch, and it is consistent with the upper edge shape of lockhole.
Described bolt lock locking member is rectangular, and described bolt lock locking member has holes, and described bolt lock locking member outer ledge is circular, and described bolt lock locking member top edge side is provided with nail pin gear mouth.
Compared with prior art, the present invention has following beneficial effect:
Structure of the present invention is simple, and safety is high, and theftproof performance is strong, and after tapered end is interrupted or destroys, bolt lock locking member will pin dead bolt, utilize simple tool to open dead bolt, make tapered end and lock status from.
Accompanying drawing explanation
Fig. 1 is the structural representation of theftproof lock locking piece of the present invention;
Fig. 2 is the using state figure of theftproof lock locking piece of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein is only for instruction and explanation of the present invention, is not intended to limit the present invention.
As shown in Figure 1 and Figure 2, theftproof lock locking piece, comprise dead bolt 1, lock body 2, lock body 3, tapered end catch 4, tapered end catch spring 5, bolt lock locking member 6, bolt lock locking member spring 7, nail pin 8, lock body 2 is connected with in dead bolt 1 bottom, lock body 2 center is provided with lock body 3, and dead bolt 1 is three insurance dead bolts.Lock body 3 center offers lockhole, and be provided with tapered end catch 4 above the lockhole of lock body 3, the lower limb of tapered end catch 4 is provided with arc notch, and it is consistent with the upper edge shape of lockhole.Nail pin 8 is riveted on above the tapered end catch 4 of lock body 3, and nail pin 8 is cylindrical.The tapered end catch spring 5 that tapered end catch 4 can be made to slide up and down is connected with on the upside of tapered end catch 4; Lock body 2 is provided with the bolt lock locking member 6 adjacent with following closely pin 8 position, bolt lock locking member 6 is rectangular, and bolt lock locking member 6 has holes, and bolt lock locking member 6 outer ledge is circular, and bolt lock locking member 6 top edge side is provided with nail pin gear mouth.Bolt lock locking member 6 is provided with the bolt lock locking member spring 7 that bolt lock locking member can be made to slide, after tapered end is destroyed, bolt lock locking member 6 will be kept off on nail pin 8, also be pin lock body, cannot open lock with simple tool.
When lock body 2 is not also installed on door, screw 9 is for screwing tapered end catch 4 in lock body 3; After lock body 2 installs on door, screw 9 is twisted off, then tapered end catch 4 is contained in above tapered end.Bolt lock locking member 6 first has tapered end catch 4 to block, and can not pin lockhole, and lockhole can start flexibly.After tapered end is interrupted or is destroyed, tapered end of taking away, tapered end catch 4 is not when having tapered end to block, tapered end catch 4 slide downward under the elastic force effect of tapered end catch spring 5, bolt lock locking member 6 departs from tapered end catch 5, and bolt lock locking member also will be slided, and pins lockhole.
The foregoing is only explanation embodiments of the present invention; be not limited to the present invention, for a person skilled in the art, within the spirit and principles in the present invention all; any amendment of doing, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (3)
1. a theftproof lock locking piece, comprise dead bolt, lock body, lock body, described dead bolt bottom is connected with lock body, on described lock body, center is provided with lock body, it is characterized in that: also comprise tapered end catch, tapered end catch spring, bolt lock locking member, bolt lock locking member spring, nail pin, described lock body center offers lockhole, is provided with tapered end catch above the lockhole of described lock body, described nail pin is riveted on above the tapered end catch of lock body, is connected with tapered end catch spring on the upside of described tapered end catch; Described lock body being provided with the bolt lock locking member adjacent with following closely placement of foot, described bolt lock locking member being provided with bolt lock locking member spring.
2. the theftproof lock locking piece as described in right 1, is characterized in that: the lower limb of described tapered end catch is provided with arc notch, and it is consistent with the upper edge shape of lockhole.
3. the theftproof lock locking piece as described in right 1, is characterized in that: described bolt lock locking member is rectangular, and described bolt lock locking member has holes, and described bolt lock locking member outer ledge is circular, and described bolt lock locking member top edge side is provided with nail pin gear mouth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210357615.0A CN102877711B (en) | 2012-09-24 | 2012-09-24 | Locking piece for anti-theft lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210357615.0A CN102877711B (en) | 2012-09-24 | 2012-09-24 | Locking piece for anti-theft lock |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102877711A CN102877711A (en) | 2013-01-16 |
| CN102877711B true CN102877711B (en) | 2015-03-11 |
Family
ID=47479207
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210357615.0A Expired - Fee Related CN102877711B (en) | 2012-09-24 | 2012-09-24 | Locking piece for anti-theft lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102877711B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3625541A1 (en) * | 1985-11-11 | 1987-05-14 | Grundmann Gmbh Geb | Lock |
| GB2200681A (en) * | 1987-02-04 | 1988-08-10 | Surelock Mcgill Limited | Cover plate for cylinder rim lock |
| CN1434185A (en) * | 2002-01-21 | 2003-08-06 | 李海峰 | Theft-proof lock and key thereof |
| CN201835616U (en) * | 2010-10-27 | 2011-05-18 | 周树全 | Intelligent security safe-guard door lock |
| CN202324836U (en) * | 2011-11-16 | 2012-07-11 | 浙江圣非格科技有限公司 | Key safety mechanism for anti-theft door lock body |
| CN202788303U (en) * | 2012-09-24 | 2013-03-13 | 韦志强 | Lock piece of anti-theft lock |
-
2012
- 2012-09-24 CN CN201210357615.0A patent/CN102877711B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3625541A1 (en) * | 1985-11-11 | 1987-05-14 | Grundmann Gmbh Geb | Lock |
| GB2200681A (en) * | 1987-02-04 | 1988-08-10 | Surelock Mcgill Limited | Cover plate for cylinder rim lock |
| CN1434185A (en) * | 2002-01-21 | 2003-08-06 | 李海峰 | Theft-proof lock and key thereof |
| CN201835616U (en) * | 2010-10-27 | 2011-05-18 | 周树全 | Intelligent security safe-guard door lock |
| CN202324836U (en) * | 2011-11-16 | 2012-07-11 | 浙江圣非格科技有限公司 | Key safety mechanism for anti-theft door lock body |
| CN202788303U (en) * | 2012-09-24 | 2013-03-13 | 韦志强 | Lock piece of anti-theft lock |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102877711A (en) | 2013-01-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150311 Termination date: 20180924 |