CN2716441Y - Self-locking device for anti-theft lock - Google Patents
Self-locking device for anti-theft lock Download PDFInfo
- Publication number
- CN2716441Y CN2716441Y CN 200420037266 CN200420037266U CN2716441Y CN 2716441 Y CN2716441 Y CN 2716441Y CN 200420037266 CN200420037266 CN 200420037266 CN 200420037266 U CN200420037266 U CN 200420037266U CN 2716441 Y CN2716441 Y CN 2716441Y
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- CN
- China
- Prior art keywords
- locking
- self
- slotted hole
- fixed leg
- locking plate
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- 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 - Lifetime
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- Burglar Alarm Systems (AREA)
Abstract
The utility model discloses a self-locking device for theftproof lock, which can realize the function of self-locking after the existing theftproof lock is locked, increasing the safety of the theftproof lock. The technical measure comprise a self-locking device for theftproof lock, comprising a fixed column arranged on the main lock bolt connected slice. The utility model is characterized in that the fixed column is provided with a self locking plate which can rotate round the fixed column. The self locking plate is provided with a slot in the middle, and the side surface of the outer panel of the lock body is provided with a locking column corresponding with the position of the slot, and the locking column can glide in the slot. The length of the slot is greater than or equal to the maximum traveling displacement of the main lock bolt plus the length of the diameter of the locking column. One end of the slot adjacent to the fixed column is provided with a spacing pit which is integrated with the slot. The spacing pit bias downward to the horizontal center line of the slot, and it can contain the locking column. One end of the self locking plate adjacent to the fixed column is provided with a turning convex. The utility model can be used for anti-theft locks.
Description
Technical field
The utility model relates to a kind of theftproof lock, relates in particular to a kind of self-locking device of theftproof lock.
Background technology
Lock and people's life is closely bound up, is locked in and is playing the part of important role in the daily life.In order to make lock serve masses better, to embody simple, convenient on the one hand in the use; Its theftproof performance need well be guaranteed on the other hand.Along with the development of technology, its dead bolt of theftproof lock of a new generation has developed into three-dimensional five tongues.But, owing to self-locking device is not set thereon, make its theftproof performance have a greatly reduced quality, be easy to by technical unlocking.Particularly in order to realize the quick unlatching and the locking of dead bolt, can assemble a covering device locking, can realize the quick lock in locked by inside and outside handle, can realize the quick unlatching of locking by interior handle.This device has advantage easily on manipulating, but work as the burglar under the situation of entering the room by window, it just needn't cross window again after looting, but handle is directly opened door in can utilizing, openly and legally escape everyday, the found possibility of burglar will diminish like this, thereby might bring irreparable damage to resident family.
Summary of the invention
For overcoming described defective, the utility model technical issues that need to address are: a kind of self-locking device of theftproof lock is provided, it have simple in structure, be assembled to and can prevent effectively when locking that theftproof lock from being opened by the mode with technical unlocking; When being equipped with quick opening device on the theftproof lock, interior handle can not be opened lock, further increased lock safety.
For solving described problem, technical solution adopted in the utility model: a kind of self-locking device of theftproof lock, comprise the fixed leg that is located on the master latch brace, it is characterized in that: described fixed leg is provided with from locking plate, can rotate around fixed leg from locking plate, describedly be provided with slotted hole in the middle of the locking plate, be provided with on lock body outer panels medial surface and the corresponding locking column in slotted hole position, described locking column can slide in slotted hole; The maximum displacement that the length of described slotted hole is advanced more than or equal to master latch adds the length of locking column diameter; Being provided with slotted hole near an end of fixed leg at slotted hole is the limited pit of one, and limited pit downward bias is from the horizontal center line of slotted hole, and described limited pit can hold locking column; Described from locking plate near an end of fixed leg be provided with turn protruding.When this device is assembled to when locking, described locking column is stuck in the slotted hole, when master latch opening and locking process in, slide on locking column from locking plate.After master latch all stretches out lock body, this moment, locking column just in time was in the vertical top of limited pit, when needing theftproof lock to realize auto-lock function, can stir the tapered end shifting block with key, the tapered end shifting block stir on locking plate turn protruding, rotate around fixed leg from locking plate this moment, thereby limited pit just in time is stuck on the locking column, has so just finished theftproof lock, operate very simple and convenient from latching operation, handle can not be opened door in after the self-locking, has further increased the safety of lock.After the theftproof lock self-locking, can prevent by technical unlocking effectively in addition.
As preferably, be provided with torsion spring at a described end that deviates from fixed leg from locking plate, described torsion spring one end be connected from locking plate, the other end is connected with the master latch brace.Described torsion spring is to applying certain pressure from locking plate, when the tapered end shifting block is stirred behind locking plate, torsion spring will be rebounded over, this moment, its direction that acts on power on locking plate will break-in, can prevent from like this to reset from locking plate, be stuck on the locking column thereby can make better, increased the stability of theftproof lock auto-lock function from the limited pit on the locking plate.
As preferably, the end that described torsion spring is connected with the master latch brace is provided with latch closure, and described latch closure is socketed on the fixed leg set on the master latch brace versatilely.Fixed leg set on set latch closure and the master latch brace flexibly connects, and is convenient to like this when carrying out from latching operation, and torsion spring can successfully be rebounded over, makes from locking plate to be stuck on the locking column well.
As preferably, described locking column is the ladder cylinder, and the end that itself and slotted hole join is provided with a undergauge boss, and the external diameter of described undergauge boss is corresponding with the width of slotted hole.Locking column is designed to the ladder cylinder, can push down from locking plate, makes from locking plate carrying out can not turning on one's side in the self-locking operating process, has increased the stability in the self-locking operating process.
As preferably, be socketed with a cylinder ring on the described fixed leg versatilely, it highly is slightly less than from locking plate surperficial to the distance the lock body wainscot medial surface, and described cylinder ring is pressed on locking plate.The purpose that is provided with cylinder ring also is to carry out not turning on one's side in the self-locking operating process from locking plate in order to prevent, has increased the stability in the self-locking operating process.
As preferably, described limited pit and slotted hole joint are level and smooth arc transition.Level and smooth arc transition be convenient to from locking plate can clamping stagnation when fixed leg rotates on locking column, increased the sensitivity in the self-locking operating process.
As preferably, described fixed leg is the ladder cylinder, and itself and lock body outer panels junction are a undergauge boss.Hole on described undergauge boss and the lock body outer panels joins, and has increased the stability of fixed leg.
The beneficial effects of the utility model: this device is formed from locking plate, a fixed leg and a locking column by one, simple in structure, in the self-locking operating process, convenient to operation, when the limited pit on locking plate is stuck on the locking column, can effectively prevent theftproof lock, when particularly on theftproof lock, being equipped with quick lock in and opening device by technical unlocking, handle can not be opened theftproof lock in after the self-locking, has increased the safety of theftproof lock; Be provided with torsion spring at a end and can prevent to reset, be stuck on the locking column, increased the stability of theftproof lock auto-lock function thereby can make better from the limited pit on the locking plate from locking plate from locking plate; One end of torsion spring is provided with latch closure, is convenient to like this when carrying out from latching operation, and torsion spring can successfully be rebounded over, makes from locking plate and can be stuck in well on the locking column; The end of locking column is provided with the undergauge boss, is provided with cylinder ring on fixed leg, can push down from locking plate, makes from locking plate carrying out can not turning on one's side in the self-locking operating process, has increased the stability in the self-locking operating process; Limited pit and slotted hole joint are level and smooth arc transition, can increase the sensitivity in the self-locking operating process; Fixed leg is provided with the undergauge boss, and the hole on itself and the lock body outer panels joins and increased the stability of fixed leg, is convenient to the location of lock body outer panels on being assembled to lock body the time simultaneously.
Description of drawings
Fig. 1 is the internal construction schematic diagram that is equipped with the utility model self-locking device theftproof lock;
Fig. 2 is the structural representation that is equipped with torsion spring on locking plate;
Fig. 3 is socketed in structure sectional view on the fixed leg from locking plate;
Fig. 4 locking column is connected the structural representation on the lock body outer panels;
When Fig. 5 is self-locking from locking plate and the residing working state schematic representation of torsion spring.
The specific embodiment
In conjunction with Fig. 1, Fig. 2, Fig. 3 and Fig. 4 as can be seen, the self-locking device of the utility model theftproof lock is mainly by forming from locking plate 1, fixed leg 10 and locking column 12.Wherein, fixed leg 12 is located on the master latch junction plate, is socketed in versatilely on the fixed leg 10 by hole set on it 2 from locking plate 1.Be provided with a slotted hole 5 in the by-level from locking plate 1, be provided with slotted hole 5 near a side of fixed legs at slotted hole 5 and be the limited pit 4 of one, described limited pit downward bias is from the horizontal center line of slotted hole 5, is provided with in the end bottom from locking plate 1 close hole 2 and turns protruding 3.Locking column 12 is located on the medial surface of theftproof lock lock body outer panels, the width of its external diameter and slotted hole 5 is corresponding, when the theftproof lock outer panels is assembled on the lock body, the position of described locking column 12 and slotted hole 5 is corresponding, the maximum displacement that the length of slotted hole 5 can be advanced more than or equal to master latch adds the length of locking column 10 diameters, and described limited pit 4 can hold locking column 12.
Fig. 2 illustrates, and is connected with torsion spring 7 at an end that deviates from hole 2 from locking plate 1, in conjunction with Fig. 1 as can be seen, the other end of torsion spring 7 is connected on the master latch junction plate, after the master latch locking, this moment, locking column 12 was in the vertical top of limited pit 4, when needing to realize the auto-lock function of theftproof lock, the tapered end shifting block is stirred and is turned protruding 3, rotate from locking plate 1, torsion spring will be bound to another side, can prevent to reset from locking plate 1, limited pit 4 is stuck on the locking column 12 well, and this can clearly be seen that from Fig. 5.In order to make torsion spring 7 successfully be bound to one side relative with initial position, an end that is connected with the master latch junction plate at torsion spring 7 is provided with latch closure 8, and latch closure 8 is socketed on the fixed leg set on the master latch junction plate movably.
Fig. 2 also illustrates, and limited pit 4 is level and smooth arc transition with slotted hole 5 joints, this be for prevent that theftproof lock from taking place when locking plate 1 rotation in the self-locking process and locking column 12 between catching phenomenon, increased the self-locking operational sensitivity.
By Fig. 3 and Fig. 4 as can be seen, be socketed with a cylinder ring 11 slidably in the outside of fixed leg 10, it is pressed on locking plate 1, highly is slightly less than from locking plate 1 surface to the distance the theftproof lock lock body outer panels medial surface; Locking column 12 is the ladder cylinder, and its end is provided with a undergauge boss 13, and the width of the external diameter of described undergauge boss 13 and slotted hole 5 is corresponding.Above-mentioned measure is from locking plate 1 the rollover phenomenon to take place in the rotary course from latching operation the time in order to prevent, has increased the stability from latching operation.
In Fig. 2, the end of fixed leg 10 is provided with the undergauge boss, and the hole on itself and the theftproof lock lock body outer panels joins, and can increase the stability of fixed leg 10 like this, the location when also being convenient to theftproof lock lock body outer panels simultaneously and being assembled on the lock body.
Claims (7)
1, a kind of self-locking device of theftproof lock, comprise the fixed leg that is located on the master latch brace, it is characterized in that: described fixed leg (10) is provided with from locking plate (1), can rotate around fixed leg (10) from locking plate (1), the described slotted hole (5) that in the middle of locking plate (1), is provided with, be provided with on lock body outer panels medial surface and the corresponding locking column in slotted hole (5) position (12), described locking column (12) can slide in slotted hole (5); The maximum displacement that the length of described slotted hole (5) is advanced more than or equal to master latch adds the length of locking column diameter; Be provided with near an end of fixed leg and slotted hole (5) is the limited pit of one (4) at slotted hole (5), limited pit (4) downward bias is from the horizontal center line of slotted hole (5), and described limited pit (4) can hold locking column (12); Turn protruding (3) described being provided with near an end of fixed leg from locking plate (1).
2, the self-locking device of theftproof lock according to claim 1 is characterized in that: be provided with torsion spring (7) at a described end that deviates from fixed leg from locking plate (1), described torsion spring (7) one ends be connected from locking plate (1), the other end is connected with the master latch brace.
3, the self-locking device of theftproof lock according to claim 2 is characterized in that: the end that described torsion spring (7) is connected with the master latch brace is provided with latch closure (8), and described latch closure (8) is socketed on the fixed leg set on the master latch brace versatilely.
4, according to the self-locking device of claim 1 or 2 or 3 described theftproof locks, it is characterized in that: described locking column (12) is the ladder cylinder, the end that itself and slotted hole (5) join is provided with a undergauge boss (13), and the width of the external diameter of described undergauge boss (13) and slotted hole (5) is corresponding.
5, the self-locking device of theftproof lock according to claim 4, it is characterized in that: be socketed with a cylinder ring (11) on the described fixed leg (10) versatilely, it highly is slightly less than from locking plate (1) surperficial to the distance the lock body wainscot medial surface, and described cylinder ring is pressed on locking plate (1).
6, according to the self-locking device of claim 1 or 2 or 3 or 5 described theftproof locks, it is characterized in that: described limited pit (4) is level and smooth arc transition with slotted hole (5) joint.
7, according to the self-locking device of claim 1 or 2 or 3 or 5 described theftproof locks, it is characterized in that: described fixed leg (10) is the ladder cylinder, and itself and lock body outer panels junction are a undergauge boss.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420037266 CN2716441Y (en) | 2004-06-30 | 2004-06-30 | Self-locking device for anti-theft lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420037266 CN2716441Y (en) | 2004-06-30 | 2004-06-30 | Self-locking device for anti-theft lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2716441Y true CN2716441Y (en) | 2005-08-10 |
Family
ID=34871641
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420037266 Expired - Lifetime CN2716441Y (en) | 2004-06-30 | 2004-06-30 | Self-locking device for anti-theft lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2716441Y (en) |
-
2004
- 2004-06-30 CN CN 200420037266 patent/CN2716441Y/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: BAO DE AN SECURITY PRODUCTS CO., LTD. Free format text: FORMER OWNER: LUO WENLING Effective date: 20071228 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20071228 Address after: No. 1, No. 11, Dongzhou industrial function zone, Zhejiang, Fuyang Province: 311401 Patentee after: Zhejiang BAODEAN Security Products Co., Ltd. Address before: Taizhou Jinqing town Zhejiang province Wenchang West Road 273, zip code: 318058 Patentee before: Luo Wenling |
|
| C35 | Partial or whole invalidation of patent or utility model | ||
| IW01 | Full invalidation of patent right |
Decision date of declaring invalidation: 20090304 Decision number of declaring invalidation: 12937 Granted publication date: 20050810 |
|
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20140630 Granted publication date: 20050810 |