CN203487882U - Anti-theft lock cylinder - Google Patents
Anti-theft lock cylinder Download PDFInfo
- Publication number
- CN203487882U CN203487882U CN201320597854.3U CN201320597854U CN203487882U CN 203487882 U CN203487882 U CN 203487882U CN 201320597854 U CN201320597854 U CN 201320597854U CN 203487882 U CN203487882 U CN 203487882U
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- China
- Prior art keywords
- contiguous block
- connecting block
- hole
- groove
- key
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- Expired - Fee Related
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Abstract
The utility model discloses an anti-theft lock cylinder which comprises a cylinder cover, a shifting sheet and a cylinder body. The cylinder body is connected with the shifting sheet through a connecting block assembly. The connecting block assembly comprises a left connecting block and a right connecting block, wherein the left connecting block and the right connecting block can rotate relative to each other. The shifting sheet is provided with a through hole, wherein the edge of the through hole is provided with a groove, and the right portion of the left connecting block and the left portion of the right connecting block are both arranged in the through hole in a penetrating mode. The left connecting block is provided with a left protruding block matched with the groove, and the right connecting block is provided with a right protruding block matched with the groove. A lock cylinder pin assembly is arranged between the cylinder cover and the cylinder body. The right protruding block is located on the left portion of the outer surface of the right connecting block. A cylindrical rotating head is arranged on the right portion of the right connecting block. The left portion of the cylinder body is provided with an inserting hole, and the right protruding block is located outside the inserting hole. The right end of the right connecting block is provided with a right inserting groove, wherein one end of a key can be inserted in the right inserting groove. The anti-theft lock cylinder has the advantage of being capable of effectively preventing a lawless person from achieving the purpose of unlocking through a technical means.
Description
Technical field
The present invention relates to lock technology field, especially relate to a kind of anti-theft lock.
Background technology
Conventionally, lock core comprises core retainer plate, the left part of this core retainer plate is articulated with plectrum, right part is articulated with for inserting the core body of key, between this core body and this plectrum, by a contiguous block assembly, connect, this contiguous block assembly comprises each other can counterrotating left contiguous block and right contiguous block, simultaneously, thereby this plectrum left and right is penetrating, there is through hole, the edge of this through hole has groove, the right part of this left contiguous block, the left part of this right contiguous block is all through in this through hole, and the left projection that this left contiguous block is provided with and this groove matches, this right contiguous block is provided with the right projection matching with groove, and, between this core retainer plate and this core body, be provided with lock core hoodle assembly.Wherein, so-called lock core hoodle assembly, refer on this core retainer plate and this core body and be equipped with the hoodle accommodation hole cooperatively interacting, in this hoodle accommodation hole, be provided with hoodle, only when adopting correct key, this hoodle just can not stop that this key rotates and drives this core body to be rotated with respect to this core retainer plate, and then drives this plectrum to rotate by this right contiguous block, then lock is opened.Meanwhile, in door, by handle, drive this left contiguous block to rotate, and then drive this plectrum rotation, then also lock can be opened.
Yet when lawless person adopts technical means to unblank, this lock core is helpless.That is, lawless person utilizes the instruments such as master key, hair clip, iron wire, cracks lock core hoodle assembly and then turns core body this core body is rotated with respect to core retainer plate, then reaches the object of illegally unblanking.
Summary of the invention
The object of this invention is to provide a kind of anti-theft lock, it has can effectively prevent the feature that lawless person adopts technical means to unblank.
The technical solution adopted in the present invention is: anti-theft lock, comprise core retainer plate, the left part of this core retainer plate is articulated with plectrum, right part is articulated with for inserting the core body of key, between this core body and this plectrum, by a contiguous block assembly, connect, this contiguous block assembly comprises each other can counterrotating left contiguous block and right contiguous block, simultaneously, this plectrum has through hole, the edge of this through hole has groove, the right part of this left contiguous block, the left part of this right contiguous block is all through in this through hole, and the left projection that this left contiguous block is provided with and this groove matches, the right projection that this right contiguous block is provided with and this groove matches, and, between this core retainer plate and this core body, be provided with lock core hoodle assembly, described right projection is positioned at the external surface left part of this right contiguous block, and the right part of this right contiguous block is cylindrical swivel head, simultaneously, the left part of this core body has the jack inserting for this swivel head matched in clearance, and this right projection is positioned at the outside of this jack, and, the right-hand member of this right contiguous block is provided with the right slot inserting for the end of key.
The left end of described left contiguous block is provided with the left slot inserting for the end of key.
The step that the right-hand member of described jack is provided with and the right side of this swivel head connects.
The advantage that the present invention has is: can effectively prevent that lawless person from adopting technical means to unblank.In use, even if core body rotation comprises that lawless person adopts technical means to make this core body rotation, this core body also cannot drive plectrum to rotate by right contiguous block to anti-theft lock of the present invention, thereby cannot reach the object of unblanking.Only, after inserting correct key, the end of this key drives right contiguous block rotation, and right contiguous block drives plectrum rotation, can reach the object of unblanking.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described:
Fig. 1 is that the anti-theft lock of embodiments of the invention is looked sectional view the master of confined state;
Fig. 2 to Fig. 5 is respectively that A-A, B-B, C-C, the D-D of Fig. 1 is to view;
Fig. 6 is the left view of Fig. 1;
Fig. 7 is that the master of core retainer plate of the present invention looks sectional view;
Fig. 8 is that the master of left contiguous block of the present invention looks sectional view;
Fig. 9 is the left view of Fig. 8;
Figure 10 is that the master of plectrum of the present invention looks half sectional view;
Figure 11 is the left view of Figure 10;
Figure 12 is that the master of right contiguous block of the present invention looks sectional view;
Figure 13 is the right view of Figure 12;
Figure 14 is that the master of core body of the present invention looks sectional view;
Figure 15 is the left view of Figure 14;
Figure 16 be can with the front view of the matching used key of anti-theft lock of the present invention.
The specific embodiment
Embodiment, is shown in shown in Fig. 1 to Figure 15: anti-theft lock, comprise core retainer plate 10, the left part of this core retainer plate 10 is articulated with plectrum 20, right part is articulated with for inserting the core body 30 of key 100.Between this core body 30 and this plectrum 20, by a contiguous block assembly, connect, this contiguous block assembly comprises each other can counterrotating left contiguous block 41 and right contiguous block 42.Such as, the left end of the right-hand member of this left contiguous block 41 and this right contiguous block 42 links together by circular dovetail structure, or this left contiguous block 41 is through on same central axis with this right contiguous block 42.Meanwhile, this plectrum 20 has through hole 21, and the edge of this through hole 21 has groove 211.The left part of the right part of this left contiguous block 41, this right contiguous block 42 is all through in this through hole 21, and this left projection 411 that left contiguous block 41 is provided with and this groove 211 matches, this right projection 421 that right contiguous block 42 is provided with and this groove 211 matches.That is, this left projection 411, this right projection 421 are all inserted in this groove 211, thereby all can drive this plectrum 20 rotations after this left contiguous block 41 and this right contiguous block 42 rotations, thereby reach the object of unblanking.And, between this core retainer plate 10 and this core body 30, be provided with lock core hoodle assembly.
Further say, this right projection 421 is positioned at the external surface left part of this right contiguous block 42, and the right part of this right contiguous block 42 is cylindrical swivel head 422.Meanwhile, the left part of this core body 30 has the jack 31 inserting for this swivel head 422 matched in clearance, and this right projection 421 is positioned at the outside of this jack 31.That is, the rotation of this core body 30 cannot drive this right contiguous block 42 rotations.And the right-hand member of this right contiguous block 42 is provided with the right slot 423 inserting for the end of key 100.That is, the end of this key 100 can drive this right contiguous block 42 rotations.
Like this, adopted the operating principle of the lockset of this anti-theft lock to be: user, when unblanking outdoors, inserts after correct key 100, after this key 100 and the pairing of lock core hoodle assembly, this key 100 can rotate with this core body 30 simultaneously.Now, the rotation of this core body 30 cannot drive this right contiguous block 42 rotations, still, the end of this key 100 is inserted in this right slot 423, thereby this key 100 can drive this right contiguous block 42 rotations, and then these this plectrum 20 rotations of right contiguous block 42 drives, reach the object of unblanking.On the contrary, even if lawless person adopts technical means to make this core body 30 produce rotation, the rotation due to this core body 30 cannot drive this right contiguous block 42 rotations, thereby cannot reach the object of unblanking.When user unblanks in door, only need the door handle of rotation and these left contiguous block 41 interlocks to make this left contiguous block 41 rotations, can drive this plectrum 20 rotations, then also can reach the object of unblanking.
Optimize, the left end of this left contiguous block 41 is provided with the left slot 412 inserting for the end of key 100.That is, user also can unblank by key 100 in door.
Continue to optimize the step 311 that the right-hand member of this jack 31 is provided with and the right side of this swivel head 422 connects.Like this, guaranteed that this right projection 421 is positioned at the outside of this jack 31 all the time.
It should be noted that, as shown in Figure 16, and the end of the matching used key 100 of anti-theft lock of the present invention has the part that can insert in this left slot 412 and this right slot 423.And when this left contiguous block 41 and this right contiguous block 42 are through on same central axis, in order to avoid this central axis to the stopping of this key 100, the front end of this key 100 is provided with jag.
The foregoing is only the preferred embodiments of the present invention; not thereby limit the scope of the claims of the present invention; every equivalent structure or conversion of equivalent flow process that utilizes manual of the present invention and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (3)
1. anti-theft lock, comprise core retainer plate (10), the left part of this core retainer plate (10) is articulated with plectrum (20), right part is articulated with the core body (30) for inserting key (100), between this core body (30) and this plectrum (20), by a contiguous block assembly, connect, this contiguous block assembly comprises each other can counterrotating left contiguous block (41) and right contiguous block (42), simultaneously, this plectrum (20) has through hole (21), the edge of this through hole (21) has groove (211), the right part of this left contiguous block (41), the left part of this right contiguous block (42) is all through in this through hole (21), and this left projection (411) that left contiguous block (41) is provided with and this groove (211) matches, this right projection (421) that right contiguous block (42) is provided with and this groove (211) matches, and, between this core retainer plate (10) and this core body (30), be provided with lock core hoodle assembly, it is characterized in that: described right projection (421) is positioned at the external surface left part of this right contiguous block (42), and the right part of this right contiguous block (42) is cylindrical swivel head (422), simultaneously, the left part of this core body (30) has the jack (31) inserting for this swivel head (422) matched in clearance, and this right projection (421) is positioned at the outside of this jack (31), and, the right-hand member of this right contiguous block (42) is provided with the right slot (423) inserting for the end of key (100).
2. anti-theft lock according to claim 1, is characterized in that: the left end of described left contiguous block (41) is provided with the left slot (412) inserting for the end of key (100).
3. anti-theft lock according to claim 1, is characterized in that: the step (311) that the right-hand member of described jack (31) is provided with and the right side of this swivel head (422) connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320597854.3U CN203487882U (en) | 2013-09-25 | 2013-09-25 | Anti-theft lock cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320597854.3U CN203487882U (en) | 2013-09-25 | 2013-09-25 | Anti-theft lock cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203487882U true CN203487882U (en) | 2014-03-19 |
Family
ID=50258722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320597854.3U Expired - Fee Related CN203487882U (en) | 2013-09-25 | 2013-09-25 | Anti-theft lock cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203487882U (en) |
-
2013
- 2013-09-25 CN CN201320597854.3U patent/CN203487882U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140319 Termination date: 20140925 |
|
| EXPY | Termination of patent right or utility model |