CN203412400U - Inner safety structure for anti-theft lock - Google Patents
Inner safety structure for anti-theft lock Download PDFInfo
- Publication number
- CN203412400U CN203412400U CN201320350679.8U CN201320350679U CN203412400U CN 203412400 U CN203412400 U CN 203412400U CN 201320350679 U CN201320350679 U CN 201320350679U CN 203412400 U CN203412400 U CN 203412400U
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- China
- Prior art keywords
- lock
- shifting block
- bolt
- safety structure
- stirring block
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- Expired - Lifetime
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Abstract
The utility model provides an inner safety structure for an anti-theft lock and belongs to the technical field of the anti-theft lock. The inner safety structure solves the problem of the present anti-theft lock that a lock can be opened on an indoor side without using a key. The inner safety structure for the anti-theft lock is arranged between a lock bolt fixing plate and a lock shell of the anti-theft lock; a lock bolt is arranged on the lock bolt fixing plate; the inner safety structure comprises a stirring block, a positioning mechanism and a baffle plate arranged on the lock shell; the stirring block is pivoted with the lock bolt fixing plate through a pin shaft; a non-return part and a stirred part stirred by a lock head assembly are arranged on the stirring block; the stirring block is stirred to rotate by the lock head assembly, so that the stirring block is switched between two working positions, namely, between a safety position and an unlocking position; after the switching for the working positions of the stirring block is finished through the positioning mechanism, the stirring block is kept on the present working position; when the stirring block is located on the safety position, the non-return part is baffled by the baffle plate. The inner safety structure for the anti-theft lock can be locked and unlocked by only using the key, so that a lawless person is prevented from escaping by easily opening a door on the indoor side, and meanwhile, the anti-theft property of the anti-theft lock is enhanced, and the safety is promoted.
Description
Technical field
The utility model belongs to theftproof lock technical field, relates to a kind of interior safety structure of theftproof lock.
Background technology
Existing theftproof lock is by improvement for many years, its theftproof performance is more and more higher, lawless person enters indoor enforcement by picking lock and steals also more and more difficult, therefore the theft mode that the lawless person who has transfers gradually sled window to or leaps in through the window, the householder who adds is careless, go out and forget pass window, cause the frequency of this class theft accident of generation more and more higher.
Thief is after the complete theft of indoor enforcement, can select to leave away from the former road of window, also can door-lock opening be left again from indoor, for non-bottom house, climb the danger that window leaves higher, also easily by people, realized, and open the door flee from safer, many theftproof locks even do not need key, handle (" safety device of anti-theft " providing as Chinese patent of can unblanking in indoor rotation, its notice of authorization number is CN2484384Y), picking lock all can save, and therefore most thief all selects to open the door and flees from this mode.
Except safety, after opening the door, thief is carrying large electrical equipment, furniture etc. even openly and legally, often reports that thief steals furniture, electrical equipment, and neighbours to take for be that householder moves and do not give warning, to householder, caused massive losses.
Summary of the invention
The purpose of this utility model is just can be from indoor problem of unblanking by key for existing theftproof lock, and has proposed a kind of interior safety structure installing additional in theftproof lock inside, and it must just can be unblanked by key, strengthens the theftproof performance of theftproof lock simultaneously.
The purpose of this utility model can realize by following technical proposal: a kind of interior safety structure of theftproof lock, be arranged between the bolt-fixing board and lock housing of theftproof lock, bolt-fixing board is provided with dead bolt, it is characterized in that, it comprises shifting block, detent mechanism and be arranged on the block in lock housing, shifting block is by a bearing pin and bolt-fixing board pivot joint, the clicking section that described shifting block is provided with non-return portion and can be stirred by tapered end assembly, tapered end assembly is stirred shifting block rotation makes it in insurance position, conciliate between two working positions of lock-bit and switch, and remain on work at present position after shifting block working position having been switched by detent mechanism, above-mentioned non-return portion can be kept off by block during in insurance position at shifting block.
Insert key actuated tapered end assembly and rotate when unblanking or locking, the shifting block on tapered end assembly all can push the clicking section of shifting block, makes shifting block rotation.Shifting block is when separating lock-bit, and bolt-fixing board is can be normal sealed or unblank, and shifting block is not subject to stop limits with bolt-fixing board motion, and detent mechanism can keep shifting block to be stabilized in solution lock-bit simultaneously.When tapered end assembly is stirred shifting block and insured, shifting block rotation, goes to insurance position from separating lock-bit, non-return portion now also rotates thereupon, and while moving with bolt-fixing board, can be kept off by the block in lock housing, the operation of restriction bolt-fixing board, theftproof lock cannot be realized and lock or unblank.While insuring, need to insert key and realize, and during arming, still need, by key actuated tapered end assembly, shifting block is allocated to solution lock-bit from insurance position, cannot realize aforesaid operations by interior handle, can effectively prevent that thief is from indoor easy for unlocking.
In the interior safety structure of above-mentioned theftproof lock, described detent mechanism comprises torsion spring, and two of torsion spring is connected with shifting block with bolt-fixing board respectively.
In the interior safety structure of above-mentioned theftproof lock, on described shifting block, offer spacing hole, in spacing hole, be provided with the spacer pin being fixedly connected with bolt-fixing board.Spacing hole and spacer pin play position-limiting action, prevent shifting block rotation excessively.
Compared with prior art, the interior safety structure of this theftproof lock can only be insured and arming by key, avoids lawless person to unclamp door from indoor light and flees from, and can strengthen the theftproof performance of theftproof lock simultaneously, improves safety.
Accompanying drawing explanation
Fig. 1 is the use view of safety structure in this.
Fig. 2 is the structural representation of safety structure when separating lock-bit and dead bolt in unlocking condition in this.
Fig. 3 is the structural representation of safety structure when insuring position and dead bolt in unlocking condition in this.
Fig. 4 is the structural representation of safety structure when separating lock-bit and dead bolt in locked state in this.
Fig. 5 is the structural representation of safety structure when insuring position and dead bolt in locked state in this.
In figure, 1, bolt-fixing board; 2, lock housing; 3, shifting block; 31, non-return portion; 32, clicking section; 4, block; 5, dead bolt; 6, bearing pin; 7, spacing hole; 8, spacer pin; 9, torsion spring; 10, tapered end assembly.
The specific embodiment
Be below specific embodiment of the utility model by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiment.
As shown in Figure 1, the interior safety structure of this theftproof lock is arranged between the bolt-fixing board 1 and lock housing 2 of theftproof lock, comprise shifting block 3, detent mechanism and be arranged on the block 4 in lock housing 2, shifting block 3 and detent mechanism are arranged on the back side of diagram bolt-fixing board 1, and bolt-fixing board 1 is provided with dead bolt 5.
Bolt-fixing board 1 is turned carefully to state to concrete structure and the operating principle of safety structure in this.As shown in Figure 2, shifting block 3 is by a bearing pin 6 and bolt-fixing board 1 pivot joint, and shifting block 3 is provided with non-return portion 31 and 32， clicking section, clicking section 32 is positioned at the side near tapered end assembly 10, and be positioned on the rotation path that tapered end assembly 10 unblanks and lock, non-return portion 31 is positioned at the opposite side of shifting block 3.On shifting block 3, also offer spacing hole 7, in spacing hole 7, be provided with the spacer pin 8 being fixedly connected with bolt-fixing board 1.In the present embodiment, detent mechanism is torsion spring 9, and two of torsion spring 9 is connected with shifting block 3 with bolt-fixing board 1 respectively.In the present embodiment, non-return portion 31 is for connecting the backing pin of torsion spring 9.
The description of the following course of work is all narrated with the view angle of Fig. 2～Fig. 5.
As shown in Figure 2, shifting block 3 is in separating lock-bit, and its left surface that abuts against spacer pin 8 under the elastic force effect of torsion spring 9 is to keep stable.Block 4 in lock housing 2 is positioned at shifting block 3 left sides close shifting block 3 top positions.Diagram vertical direction is the direction of motion of dead bolt 5 and bolt-fixing board 1, when bolt-fixing board 1 moves upward, driving dead bolt 5 to stretch out lock housing 2 realizations locks (as shown in Figure 4), shifting block 3 is with bolt-fixing board 1 motion, in motion process, can not encounter block 4, theftproof lock can be realized and locking smoothly, and in this, safety structure is not worked.While unblanking, bolt-fixing board 1 moves downward to position shown in Fig. 2, and in this process, shifting block 3 is not kept off by block 4 yet.
When needs insure, by tapered end assembly 10, stir clicking section 32 so that shifting block 3 rotates counterclockwise, make it from separating lock-bit, be converted to insurance position, after torsion spring 9 elastic deformations, promote shifting block 3 and abut against the right flank of spacer pin 8 so that shifting block 3 stably remains on insurance position, when shifting block 3 rotates, the non-return portion 31 on it rotates to block 4 one sides thereupon.
If shifting block 3 enters insurance position during in unlocking condition at theftproof lock, the position of shifting block 3 is changed and is gone to as shown in Figure 3 from Fig. 2, the non-return portion 31 on shifting block 3 be positioned at block 4 under.Now, if desired lock, when bolt-fixing board 1 drives shifting block 3 to move upward, the upper edge of non-return portion 31 is kept off by block 4, and dead bolt 5 cannot stretch out lock housing 2 realizations and lock.
If shifting block 3 enters insurance position during in locked state at theftproof lock, the position of shifting block 3 is changed and is gone to as shown in Figure 5 from Fig. 4, the non-return portion 31 on shifting block 3 be positioned at block 4 directly over.Now, if desired unblank, when bolt-fixing board 1 drives shifting block 3 to move downward, the lower edge of non-return portion 31 is kept off by block 4, and dead bolt 5 cannot be retracted to lock housing 2 realizations and unblank.
In view of some theftproof locks lock and unblank all need to rotate and realize by key actuated tapered end assembly 10, in the present embodiment, can insure and the operation of arming and the combination of locking and unblank to carry out of theftproof lock.Key actuated tapered end assembly 10 is rotated further key after turning an angle and locking, and can make tapered end assembly more than 10 turn an angle to push the clicking section 32 of shifting block 3, makes shifting block 3 go to insurance position.While unblanking, rotate backward tapered end assembly 10, first stir shifting block 3 to separating lock-bit, be rotated further key and could realize and unblanking.
Should be appreciated that, in claims of the present utility model, manual, all " comprising ... " is all interpreted as open implication, and namely its implication is equal to " at least containing ... ", and should not be construed as enclosed implication, its implication should not be construed " only comprising ... ".
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various modifications or supplements or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Claims (3)
1. the interior safety structure of a theftproof lock, be arranged between the bolt-fixing board (1) and lock housing (2) of theftproof lock, bolt-fixing board (1) is provided with dead bolt (5), it is characterized in that, it comprises shifting block (3), detent mechanism and be arranged on the block (4) in lock housing (2), shifting block (3) is by a bearing pin (6) and bolt-fixing board (1) pivot joint, the clicking section (32) that described shifting block (3) is provided with non-return portion (31) and can be stirred by tapered end assembly (10), tapered end assembly (10) is stirred shifting block (3) rotation makes it in insurance position, conciliate between two working positions of lock-bit and switch, and remain on work at present position after shifting block (3) working position having been switched by detent mechanism, above-mentioned non-return portion (31) can be kept off by block (4) when insuring position at shifting block (3).
2. the interior safety structure of theftproof lock according to claim 1, is characterized in that, described detent mechanism comprises torsion spring (9), and two of torsion spring (9) is connected with shifting block (3) with bolt-fixing board (1) respectively.
3. the interior safety structure of theftproof lock according to claim 1 and 2, is characterized in that, offers spacing hole (7) on described shifting block (3), is provided with the spacer pin (8) being fixedly connected with bolt-fixing board (1) in spacing hole (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320350679.8U CN203412400U (en) | 2013-06-17 | 2013-06-17 | Inner safety structure for anti-theft lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320350679.8U CN203412400U (en) | 2013-06-17 | 2013-06-17 | Inner safety structure for anti-theft lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203412400U true CN203412400U (en) | 2014-01-29 |
Family
ID=49975295
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320350679.8U Expired - Lifetime CN203412400U (en) | 2013-06-17 | 2013-06-17 | Inner safety structure for anti-theft lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203412400U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109083507A (en) * | 2018-07-28 | 2018-12-25 | 深圳智云镖科技有限公司 | A kind of anti-theft lock system with multiple interlocking |
-
2013
- 2013-06-17 CN CN201320350679.8U patent/CN203412400U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109083507A (en) * | 2018-07-28 | 2018-12-25 | 深圳智云镖科技有限公司 | A kind of anti-theft lock system with multiple interlocking |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140129 |