CN218375849U - Anti-theft lock core - Google Patents
Anti-theft lock core Download PDFInfo
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- CN218375849U CN218375849U CN202222587410.3U CN202222587410U CN218375849U CN 218375849 U CN218375849 U CN 218375849U CN 202222587410 U CN202222587410 U CN 202222587410U CN 218375849 U CN218375849 U CN 218375849U
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Abstract
The utility model relates to an anti-theft lock core, include: the lock comprises a lock shell, a lock liner, an elastic element, a lock key handle, a bolt mounting sleeve, a first elastic element, a bolt, a driving rod and a second elastic element, wherein the lock liner is rotatably mounted in the lock shell, and the elastic element is mounted between the lock shell and the lock liner; a lock key hole is formed in the lock liner, and a lock key can be inserted into the lock key hole; a first through hole is formed in the lock key, a second through hole is formed in the lock key handle, the end part of the lock key and the end part of the lock key handle are spliced to form a mounting groove, the first through hole, the second through hole and the mounting groove are communicated, and the driving rod sequentially penetrates through the first through hole, the mounting groove and the second through hole and extends out of the lock key handle; be provided with spacing arch on the actuating lever, spacing arch and first elastic component all cooperate in the mounting groove. After adopting such scheme, increased the limit structure between lock courage and the lock shell, increased the degree of difficulty of unblanking, promoted the theftproof performance.
Description
Technical Field
The utility model relates to a lock core especially relates to an anti-theft lock core.
Background
The lock core is an important component of the door lock, in the prior art, the lock core mainly comprises a lock shell, a lock liner and a marble component, wherein the marble component comprises a fixed pin, a first marble, a second marble and a third elastic piece; the lock core is provided with a limiting hole, the second pin is matched in the limiting hole, and the lower end of the first pin is inserted into the limiting hole. Be provided with the lock keyway in the lock courage, after the key inserted, the key impeld the second pellet shot from a slingshot to take place to slide, and the second pellet shot from a slingshot promotes first pellet shot from a slingshot and slides, impels the second pellet shot from a slingshot just to leave from the lock courage, and the second pellet shot from a slingshot no longer has limiting displacement to the lock courage, then rotates the key, and the lock courage is also followed to rotate to accomplish and unblank. However, the structure has the problem that a lawbreaker can still drive the second pin to slide by a special unlocking tool, thereby driving the first pin to slide to achieve the purpose of unlocking. Therefore, the lock cylinder with high technical unlocking difficulty and good anti-theft performance is designed, and the technical problem to be solved at present is solved.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide an anti-theft lock core, increased the limit structure between lock courage and the lock shell, increased the degree of difficulty of unblanking, promoted the theftproof performance.
In order to solve the technical problem, the utility model provides a technical scheme as follows:
an anti-theft lock cylinder comprising: the lock comprises a lock shell, a lock liner, an elastic component, a lock key handle, a bolt mounting sleeve, a first elastic component, a bolt, a driving rod and a second elastic component, wherein the lock liner is rotatably mounted in the lock shell, and the elastic component is mounted between the lock shell and the lock liner; a lock key hole is formed in the lock liner, and the lock key can be inserted into the lock key hole; a first through hole is formed in the lock key, a second through hole is formed in the lock key handle, the end part of the lock key and the end part of the lock key handle are spliced to form a mounting groove, the first through hole, the second through hole and the mounting groove are communicated, and the driving rod sequentially penetrates through the first through hole, the mounting groove and the second through hole and extends out of the lock key handle; the driving rod is provided with a limiting bulge, the limiting bulge and the first elastic piece are matched in the mounting groove, and two ends of the first elastic piece are respectively abutted against the bottom of the mounting groove and the limiting bulge; the first end of the lock shell is provided with a third through hole, the third through hole is communicated with the first through hole, the bolt is inserted into the third through hole and the first through hole, the end part of the bolt is contacted with the end part of the driving rod, the bolt mounting sleeve is fixed at the first end of the lock shell, the end part of the bolt is provided with a blocking piece, the second elastic element and the blocking piece are both matched in the bolt mounting sleeve, and the blocking piece is supported at the first end of the lock shell under the action of the second elastic element; the cross sections of the driving rod, the first through hole, the third through hole and the bolt are all polygonal.
Preferably, the following components: the spring component comprises a fixed pin, a first spring, a second spring and a third elastic piece, a guide hole is formed in the lock shell, the fixed pin, the third elastic piece and the first spring are sequentially matched in the guide hole from top to bottom, the fixed pin is fixed in the guide hole, and the third elastic piece and the first spring are in sliding fit in the guide hole; the lock core is provided with a limiting hole, the second pin is matched in the limiting hole, and the lower end of the first pin is inserted into the limiting hole under the action of the third elastic piece.
Preferably: the end part of the lock key handle is provided with a notch, and the end part of the driving rod is positioned in the notch.
Preferably: the novel lock is characterized by further comprising a screw, a fourth through hole is formed in the bolt mounting sleeve, a threaded hole is formed in the lock shell, and the screw penetrates through the fourth through hole and is connected with the threaded hole.
Preferably: the lock key is provided with a first connecting sleeve, the lock key handle is provided with a second connecting sleeve, and the first connecting sleeve is connected with the second connecting sleeve.
The utility model has the advantages that: when unblanking, insert the lock key in the lock key hole, at this moment, the bullet subassembly separates lock courage and lock shell, press the actuating lever after that, the slip takes place to slide, the slip of actuating lever makes the bolt slide, the bolt breaks away from in the first through-hole of lock courage, the lock courage breaks away from the restriction of bolt, but the lock courage is in the state of free rotation this moment, rotate the lock key handle after that, the rotation of lock key handle drives the rotation of lock courage, thereby accomplish unblanking, therefore, only lock courage and lock shell are locked with the bullet subassembly in comparing traditional lock core, this scheme has increased the limit structure between lock courage and the lock shell, the degree of difficulty of unblanking has been increased, anti-theft performance has been promoted.
Drawings
The present invention will be further described with reference to the accompanying drawings and detailed description:
fig. 1 is a schematic structural view of an embodiment of the anti-theft lock cylinder of the present invention;
fig. 2 is a cross-sectional view of an embodiment of the anti-theft lock cylinder of the present invention;
fig. 3 is an exploded view of an embodiment of the anti-theft lock cylinder of the present invention;
FIG. 4 is a schematic structural view of a lock case in an embodiment;
fig. 5 is a schematic partial structural view of an embodiment of the anti-theft lock cylinder of the present invention;
FIG. 6 is a schematic structural diagram of a key handle in an embodiment;
FIG. 7 is a schematic structural view of a drive rod in the embodiment;
FIG. 8 is a schematic structural view of a plug mounting sleeve in an embodiment;
FIG. 9 is a schematic structural view of a latch according to an embodiment;
fig. 10 is a schematic structural diagram of a lock key in an embodiment.
Wherein:
1. a lock case; 11. a third through hole;
2. a lock liner; 21. a lock keyway; 22. a limiting hole;
3. an bullet assembly; 31. a fixing pin; 32. a first pin; 33. a second pin; 34. a third elastic member;
4. a lock key; 41. a first through hole; 42. a first connecting sleeve;
5. a key handle; 51. a second through hole; 52. a notch; 53. a second connecting sleeve;
6. a plug pin mounting sleeve;
7. a first elastic member;
8. a bolt; 81. a baffle plate;
9. a drive rod; 91. a limiting bulge;
10. a second elastic member;
13. and (4) screws.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, it should be understood that the directions and positional relationships indicated by "upper", "lower", "left", "right", "front", "rear", "vertical", "bottom", "inner", "outer", etc. are the directions or positional relationships indicated on the drawings, and are only for convenience of description and simplification of the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention.
As shown in figures 1 to 10 of the drawings,
an anti-theft lock cylinder comprising: the lock comprises a lock shell 1, a lock core 2, an elastic component 3, a lock key 4, a lock key handle 5, a bolt mounting sleeve 6, a first elastic piece 7, a bolt 8, a driving rod 9 and a second elastic piece 10, wherein the lock core 2 is rotatably mounted in the lock shell 1, and the elastic component 3 is mounted between the lock shell 1 and the lock core 2; a lock key hole 21 is arranged in the lock liner 2, and the lock key 4 can be inserted into the lock key hole 21; a first through hole 41 is formed in the key 4, a second through hole 51 is formed in the key handle 5, the end portion of the key 4 and the end portion of the key handle 5 are spliced to form a mounting groove, the first through hole 41, the second through hole 51 and the mounting groove are communicated, and the driving rod 9 sequentially penetrates through the first through hole 41, the mounting groove and the second through hole 51 and extends out of the key handle 5; a limiting bulge 91 is arranged on the driving rod 9, the limiting bulge 91 and the first elastic piece 7 are matched in the mounting groove, and two ends of the first elastic piece 7 are respectively abutted against the bottom of the mounting groove and the limiting bulge 91; the first end of the lock shell 1 is provided with a third through hole 11, the third through hole 11 is communicated with the first through hole 41, the bolt 8 is inserted into the third through hole 11 and the first through hole 41, the end part of the bolt 8 is contacted with the end part of the driving rod 9, the bolt mounting sleeve 6 is fixed at the first end of the lock shell 1, the end part of the bolt 8 is provided with a baffle piece 81, the second elastic piece 10 and the baffle piece 81 are both matched in the bolt mounting sleeve 6, and the baffle piece 81 is supported at the first end of the lock shell 1 under the action of the second elastic piece 10; the cross sections of the driving rod 9, the first through hole 41, the third through hole 11 and the plug pin 8 are polygonal, such as quadrilateral.
Therefore, when the lock is unlocked, the lock key 4 is inserted into the lock keyhole 21, at the moment, the pin assembly 3 separates the lock liner 2 from the lock shell 1, then the driving rod 9 is pressed, the driving rod 9 slides, the sliding of the driving rod 9 enables the bolt 8 to slide, the bolt 8 is separated from the first through hole 41 of the lock liner 2, the lock liner 2 is separated from the limit of the bolt 8, at the moment, the lock liner 2 is in a state capable of rotating freely, then the lock key handle 5 is rotated, the lock key handle 5 rotates to drive the lock liner 2 to rotate, so that the unlocking is completed, and therefore, compared with the traditional lock core, the lock liner and the lock shell are only locked by the pin assembly 3, the scheme increases a limiting structure between the lock liner and the lock shell, the unlocking difficulty is increased, and the anti-theft performance is improved.
In addition, the marble component 3 comprises a fixed pin 31, a first marble 32, a second marble 33 and a third elastic member 34, a guide hole is arranged in the lock shell 1, the fixed pin 31, the third elastic member 34 and the first marble 32 are sequentially matched in the guide hole from top to bottom, the fixed pin 31 is fixed in the guide hole, and the third elastic member 34 and the first marble 32 are in sliding fit in the guide hole; the lock core 2 is provided with a limiting hole 22, the second pin 33 is matched in the limiting hole 22, and the lower end of the first pin 32 is inserted into the limiting hole 22 under the action of the third elastic piece 34.
Thus, when the key 4 is not inserted into the key hole 21, a part of the first pin 32 is located in the guiding hole, a part of the first pin is located in the limiting hole 22, and the cylinder 2 is locked and cannot rotate freely; when the key 4 is inserted into the keyway 21, the second pin 33 slides, the second pin 33 pushes the lower end of the first pin 32 to disengage from the limiting hole 22, and the key 4 is no longer limited by the first pin 32.
In addition, the end of the key handle 5 is provided with a notch 52, and the end of the driving rod 9 is located in the notch 52.
Thus, the length of the notch 52 can be used as a part of the sliding stroke of the driving rod 9, so that the length of the end of the driving rod 9 beyond the surface of the key handle 5 can be shortened, and the driving device is more convenient to carry.
In addition, still include screw 13, be provided with the fourth through-hole on the bolt installing sleeve 6, be provided with the screw hole on the lock shell 1, screw 13 passes the fourth through-hole and is connected with the screw hole.
In this way, the assembly of the plug-pin mounting sleeve 6 is facilitated, and the assembly of the plug pin 8 and the first elastic member 7 is also facilitated.
In addition, the key 4 is provided with a first connecting sleeve 42, the key handle 5 is provided with a second connecting sleeve 53, and the first connecting sleeve 42 is connected with the second connecting sleeve 53.
Thus, the assembly between the key 4 and the key handle 5 is facilitated, and the assembly of the driving lever 9 and the second elastic member 10 is also facilitated.
In summary, the above description is only a preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention should be included within the scope of the present invention.
Claims (5)
1. An anti-theft lock cylinder, characterized by comprising: the lock comprises a lock shell, a lock liner, an elastic component, a lock key handle, a bolt mounting sleeve, a first elastic component, a bolt, a driving rod and a second elastic component, wherein the lock liner is rotatably mounted in the lock shell, and the elastic component is mounted between the lock shell and the lock liner; a lock key hole is formed in the lock liner, and the lock key can be inserted into the lock key hole; a first through hole is formed in the lock key, a second through hole is formed in the lock key handle, the end part of the lock key and the end part of the lock key handle are spliced to form a mounting groove, the first through hole, the second through hole and the mounting groove are communicated, and the driving rod sequentially penetrates through the first through hole, the mounting groove and the second through hole and extends out of the lock key handle; the driving rod is provided with a limiting bulge, the limiting bulge and the first elastic piece are matched in the mounting groove, and two ends of the first elastic piece are respectively abutted against the bottom of the mounting groove and the limiting bulge; the first end of the lock shell is provided with a third through hole, the third through hole is communicated with the first through hole, the bolt is inserted into the third through hole and the first through hole, the end part of the bolt is contacted with the end part of the driving rod, the bolt mounting sleeve is fixed at the first end of the lock shell, the end part of the bolt is provided with a blocking piece, the second elastic piece and the blocking piece are both matched in the bolt mounting sleeve, and the blocking piece is supported at the first end of the lock shell under the action of the second elastic piece; the cross sections of the driving rod, the first through hole, the third through hole and the bolt are all polygonal.
2. The anti-theft lock cylinder according to claim 1, characterized in that: the spring component comprises a fixed pin, a first spring, a second spring and a third spring, a guide hole is formed in the lock shell, the fixed pin, the third spring and the first spring are sequentially matched in the guide hole from top to bottom, the fixed pin is fixed in the guide hole, and the third spring and the first spring are in sliding fit in the guide hole; the lock core is provided with a limiting hole, the second pin is matched in the limiting hole, and the lower end of the first pin is inserted into the limiting hole under the action of the third elastic piece.
3. The antitheft lock cylinder of claim 2, characterized in that: the end part of the lock key handle is provided with a notch, and the end part of the driving rod is positioned in the notch.
4. The antitheft lock cylinder of claim 2, characterized in that: the novel lock is characterized by further comprising a screw, a fourth through hole is formed in the bolt mounting sleeve, a threaded hole is formed in the lock shell, and the screw penetrates through the fourth through hole and is connected with the threaded hole.
5. The antitheft lock cylinder of claim 2, characterized in that: the lock key is provided with a first connecting sleeve, the lock key handle is provided with a second connecting sleeve, and the first connecting sleeve is connected with the second connecting sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222587410.3U CN218375849U (en) | 2022-09-28 | 2022-09-28 | Anti-theft lock core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222587410.3U CN218375849U (en) | 2022-09-28 | 2022-09-28 | Anti-theft lock core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218375849U true CN218375849U (en) | 2023-01-24 |
Family
ID=84954655
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222587410.3U Active CN218375849U (en) | 2022-09-28 | 2022-09-28 | Anti-theft lock core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218375849U (en) |
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2022
- 2022-09-28 CN CN202222587410.3U patent/CN218375849U/en active Active
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| GR01 | Patent grant |