CN217233098U - Lock core - Google Patents
Lock core Download PDFInfo
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- CN217233098U CN217233098U CN202121284537.7U CN202121284537U CN217233098U CN 217233098 U CN217233098 U CN 217233098U CN 202121284537 U CN202121284537 U CN 202121284537U CN 217233098 U CN217233098 U CN 217233098U
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- mounting hole
- pin
- locking assembly
- locking
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Abstract
The utility model relates to the technical field of door locks, and discloses a lock cylinder, which comprises a lock cylinder seat, a rotor and a locking component, wherein the rotor is rotationally connected in the lock cylinder seat, the rotor is provided with a through hole allowing a key to pass through, the lock cylinder seat is provided with a first mounting hole in the radial direction of the lock cylinder seat, the rotor is provided with a second mounting hole in the radial direction of the rotor, and the locking component is arranged in the first mounting hole and the second mounting hole; the locking assembly comprises at least one pin, the locking assembly has a locking state and an unlocking state, and when the locking assembly is in the locking state, at least one pin spans the first mounting hole and the second mounting hole; when the locking assembly is in an unlocking state, the marble is not spanned in the first mounting hole and the second mounting hole simultaneously. The utility model provides a lock core to reach the purpose that improves its theftproof performance.
Description
Technical Field
The utility model relates to a door lock art field especially relates to a lock core.
Background
At present, a lock cylinder is a main part for controlling the unlocking of a lock, and refers to a core part which can rotate and drive a lock bolt to move by matching with a key. According to the knowledge, the existing lock cylinders are classified according to the security levels, namely, the class A, the class B and the class C, and the security levels of the class A, the class B and the class C are sequentially increased. However, for the C level with the highest security level, the thief can still open the lock cylinder through the master key, and thus, the anti-theft performance of the existing lock cylinder has certain defects.
Disclosure of Invention
The utility model aims at: the utility model provides a lock core to reach the purpose that improves its theftproof performance.
In order to achieve the above object, the present invention provides a lock cylinder, which includes a lock cylinder seat, a rotor and a locking assembly, wherein the rotor is rotatably connected in the lock cylinder seat, the rotor is provided with a through hole for allowing a key to pass through, the lock cylinder seat is provided with a first mounting hole in a radial direction thereof, the rotor is provided with a second mounting hole in the radial direction thereof, and the locking assembly is provided in the first mounting hole and the second mounting hole;
the locking assembly comprises at least one pin, the locking assembly has a locking state and an unlocking state, and when the locking assembly is in the locking state, at least one pin spans the first mounting hole and the second mounting hole; when the locking assembly is in an unlocking state, the marble is not spanned in the first mounting hole and the second mounting hole simultaneously.
In some embodiments of the present application, the locking assembly further includes an elastic member, one end of the elastic member is connected to the inner wall of the first mounting hole, and the other end of the elastic member is connected to the pin, and when the locking assembly is in the locking state, the elastic member is in a compressed state; when the locking assembly is in the unlocked state, the elastic member is in an extended state.
In some embodiments of the present application, the locking assembly includes a first pin and a second pin, where the first pin and the second pin are pins of the locking assembly, two ends of the elastic element are respectively connected to the inner wall of the first mounting hole and the first pin, and the second pin is disposed in the through hole and the second mounting hole;
when the locking assembly is in a locking state, the first pin is arranged in the first mounting hole, the second pin is simultaneously arranged in the first mounting hole, the second mounting hole and the through hole in a spanning mode, and the elastic piece is in a compression state; when the locking assembly is in an unlocking state, the first pin is arranged in the first mounting hole, and the second mounting hole is arranged in the second mounting hole and the through hole.
In some embodiments of the present application, a lower portion of the second pin is provided with a connecting portion that is engaged with the through hole of the key, and a diameter of the connecting portion is gradually reduced from a direction away from the first pin.
In some embodiments of the present application, the first pin and the second pin are the same shape.
In some embodiments of the present application, the first pin and the second pin are one of triangular, square, circular, and oval in shape.
In some embodiments of the present application, the lock cylinder base, the rotator, and the locking assembly are all made of steel.
In some embodiments of the present application, the elastic member is a spring.
The embodiment of the utility model provides a lock core, it compares with prior art, and its beneficial effect lies in:
the lock core of the embodiment of the utility model is matched with the corresponding adaptive key for use, the adaptive key is provided with a through hole allowing the locking component to be inserted close to one end of the through hole, the locking component has an unlocking state and a locking state, when the adaptive key matched with the lock core is inserted into the rotor, the locking component is inserted into the through hole of the key close to one end of the through hole, the marble is not spanned in the first mounting hole and the second mounting hole simultaneously, therefore, the marble can not obstruct the rotation of the rotor, and at the moment, the locking component is in the unlocking state; when a non-adaptive key (not a key matched with the lock core) or an unlocking tool is inserted into the rotating body, at least one marble simultaneously spans the first mounting hole and the second mounting hole, and at the moment, the locking assembly is in a locking state, so that when a thief rotates the rotating body, the marble obstructs the rotation of the rotating body, and the thief cannot easily unlock the door lock through technical unlocking;
in addition, because the locking component strengthens the strength of the lock cylinder, the locking component increases the difficulty of prying the lock cylinder, and therefore, a thief cannot easily pry the rotating body through the unlocking tool.
Drawings
Fig. 1 is a schematic structural diagram of a lock cylinder according to an embodiment of the present invention.
Fig. 2 is an exploded view of the lock cylinder according to the embodiment of the present invention.
Fig. 3 is a schematic structural view of the lock cylinder in the unlocked state according to the embodiment of the present invention.
In the figure, 1, a lock cylinder seat; 11. a first mounting hole; 2. a rotating body; 21. a second mounting hole; 22. perforating; 3. a locking assembly; 31. an elastic member; 32. a first pin; 33. a second pin; 331. a connecting portion; 4. a key; 41. and a through hole.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "top", "bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
In order to achieve the above object, as shown in fig. 1, 2 and 3, an embodiment of the present invention provides a lock cylinder, which includes a lock cylinder seat 1, a rotator 2 and a locking assembly 3, wherein the rotator 2 is rotatably connected in the lock cylinder seat 1, the rotator 2 is provided with a through hole 22 for allowing a key 4 to pass through, the lock cylinder seat 1 is provided with a first mounting hole 11 in a radial direction thereof, and the rotator 2 is provided with a second mounting hole 21 in the radial direction thereof;
the locking component 3 comprises at least one pin, and when the locking component 3 is in a locking state, the at least one pin is spanned in the first mounting hole 11 and the second mounting hole 21; when the locking assembly 3 is in the unlocking state, the marbles are not arranged in the first mounting hole 11 and the second mounting hole 21 in a straddling mode at the same time.
Based on the above arrangement, the lock cylinder of the embodiment of the present invention is adapted to the corresponding adaptive key, the key is provided with a through hole 41 allowing one end of the locking component 3 close to the through hole 22 to be inserted into, the locking component 3 has an unlocking state and a locking state, when the adaptive key 4 adapted to the lock cylinder is inserted into the rotor 2, one end of the locking component 3 close to the through hole 22 is inserted into the through hole 41 of the key 4, the pin tumbler is not spanned in the first mounting hole 11 and the second mounting hole 21 at the same time, at this time, the locking component 3 is in the unlocking state, and therefore, the pin tumbler does not obstruct the rotation of the rotor 2; when a non-adaptive key 4 (not the key 4 matched with the lock cylinder) or an unlocking tool is inserted into the rotating body 2, at least one marble simultaneously strides over the first mounting hole 11 and the second mounting hole 21, and at the moment, the locking component 3 is in a locking state, so that when a thief rotates the rotating body 2, the marble obstructs the rotation of the rotating body 2, and the thief cannot easily unlock the door lock through technical unlocking;
in addition, since the locking assembly 3 reinforces the strength of the key cylinder, the locking assembly 3 increases the difficulty of prying the key cylinder, and therefore, a thief cannot easily pry the rotating body 2 by an unlocking tool.
In some embodiments, optionally, in order to facilitate automatic resetting of the pins at the first mounting hole 11 and the second mounting hole 21 and simplify the structure of the locking assembly 3, as shown in fig. 1, 2 and 3, the locking assembly 3 further includes a first pin 31, a second pin 32 and an elastic member 33, the first pin 31 and the second pin 32 are pins of the locking assembly 3, two ends of the elastic member 33 are respectively connected to inner walls of the first pin 31 and the first mounting hole 11, and the second elastic member 33 is disposed in the second mounting hole 21 and the through hole 22;
when the locking assembly 3 is in a locking state, that is, when the part of the key 4 without the through hole 41 is connected with one end of the second pin 32 close to the through hole 22, the second pin 32 is driven by the key 4 to move upwards, the elastic element 33 is in a compressed state, the first pin 31 is arranged in the first mounting hole 11, and the second pin 32 is simultaneously arranged in the first mounting hole 11, the second mounting hole 21 and the through hole 22 in a straddling manner; when the locking assembly 3 is in the unlocking state, that is, when the portion of the key having the through hole 41 is connected to one end of the second pin 32 close to the through hole 22, the elastic member 33 is in the extended state, the first pin 31 is disposed in the first mounting hole 11, and the second pin 32 is disposed in the second mounting hole 21 and the through hole 22, so that neither the first pin 31 nor the second pin 32 is simultaneously disposed in the first mounting hole 11 and the second mounting hole 21, and the first pin 31 and the second pin 32 do not affect the rotation of the rotating body 2;
of course, the number of the marbles can be three or more, as long as it can be ensured that the rotating body 2 can rotate when the locking assembly 3 is in the unlocking state, and the rotating body 2 cannot rotate when the locking assembly 3 is in the locking state.
However, the strength of the unlocking tool after the opening is reduced, and the unlocking tool after the opening is easily broken when the unlocking tool is rotated.
In some embodiments of the present application, optionally, as shown in fig. 3, the lower portion of the second pin 33 is provided with a connecting portion 331 for cooperating with the key 4, and the diameter of the connecting portion 331 is gradually reduced from the direction away from the first pin 32. Thus, the lower portion of the second pin 33 forms a guide portion, and the diameter of the through hole of the key 4 fitted to the key cylinder is gradually reduced from the top to the bottom, so that the lower portion of the second pin 33 can be quickly inserted into the through hole of the key 4.
In some embodiments of the present application, optionally, as shown in fig. 3, the first pin 32 and the second pin 33 are identical in shape in order to facilitate the fitting of the first pin 32 and the second pin 33.
In some embodiments of the present application, optionally, as shown in fig. 3, the shape of the first pin 32 and the second pin 33 is one of a triangle, a square, a circle and an oval, and of course, the shape of the first pin 32 and the second pin 33 may be a combination of the above shapes.
In some embodiments of the present application, optionally, as shown in fig. 1, 2 and 3, in order to prolong the service life of the cylinder holder 1, the rotator 2 and the locking assembly 3, the cylinder holder 1, the rotator 2 and the locking assembly 3 are made of steel.
In some embodiments of the present application, the elastic member 31 is a spring, as shown in fig. 2 and 3.
To sum up, the lock core of the embodiment of the present invention is adapted to a corresponding key, the key is provided with a through hole 41 allowing one end of the locking component 3 close to the through hole 22 to be inserted into, the locking component 3 has an unlocking state and a locking state, when the key 4 adapted to the lock core is inserted into the rotor 2, one end of the locking component 3 close to the through hole 22 is inserted into the through hole 41 of the key 4, the pins are not spanned in the first mounting hole 11 and the second mounting hole 21 at the same time, at this time, the locking component 3 is in the unlocking state, and therefore, the pins do not obstruct the rotation of the rotor 2; when a non-adaptive key 4 (not a key 4 matched with the lock cylinder) or an unlocking tool is inserted into the rotating body 2, at least one marble simultaneously strides over the first mounting hole 11 and the second mounting hole 21, at the moment, the locking component 3 is in a locking state, therefore, when a thief rotates the rotating body 2, the marble obstructs the rotation of the rotating body 2, and the thief cannot easily unlock the door lock through technical unlocking;
in addition, since the locking assembly 3 reinforces the strength of the key cylinder, the locking assembly 3 increases the difficulty of prying the key cylinder, and therefore, a thief cannot easily pry the rotating body 2 by an unlocking tool.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.
Claims (8)
1. A lock core is characterized by comprising a lock core seat, a rotor and a locking assembly, wherein the rotor is rotationally connected in the lock core seat, the rotor is provided with a through hole for allowing a key to pass through, the lock core seat is provided with a first mounting hole in the radial direction of the lock core seat, the rotor is provided with a second mounting hole in the radial direction of the rotor, and the locking assembly is arranged in the first mounting hole and the second mounting hole;
the locking assembly comprises at least one pin, the locking assembly has a locking state and an unlocking state, and when the locking assembly is in the locking state, at least one pin spans the first mounting hole and the second mounting hole; when the locking assembly is in an unlocking state, the marble is not spanned in the first mounting hole and the second mounting hole simultaneously.
2. The lock core of claim 1, wherein the locking assembly further comprises an elastic member, one end of the elastic member is connected with the inner wall of the first mounting hole, the other end of the elastic member is connected with the pin, and when the locking assembly is in the locking state, the elastic member is in a compressed state; when the locking assembly is in the unlocked state, the elastic member is in an extended state.
3. The lock core according to claim 2, wherein the locking assembly comprises a first pin and a second pin, wherein the first pin and the second pin are pins of the locking assembly, two ends of the elastic member are respectively connected with the inner wall of the first mounting hole and the first pin, and the second pin is arranged in the through hole and the second mounting hole;
when the locking assembly is in a locking state, the first pin is arranged in the first mounting hole, the second pin is simultaneously arranged in the first mounting hole, the second mounting hole and the through hole in a spanning manner, and the elastic piece is in a compression state; when the locking assembly is in an unlocking state, the first pin is arranged in the first mounting hole, and the second mounting hole is arranged in the second mounting hole and the through hole.
4. A lock plug according to claim 3, wherein the lower portion of the second pin is provided with a connecting portion which is adapted to cooperate with the through hole of the key, the diameter of the connecting portion decreasing in a direction away from the first pin.
5. The lock core of claim 3, wherein the first pin and the second pin are the same shape.
6. The lock core of claim 5, wherein the first pin and the second pin are one of triangular, square, circular, and oval in shape.
7. The lock core of claim 1, wherein the lock core holder, the rotator, and the locking assembly are all made of steel.
8. The lock core of claim 2, wherein the resilient member is a spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121284537.7U CN217233098U (en) | 2021-06-09 | 2021-06-09 | Lock core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121284537.7U CN217233098U (en) | 2021-06-09 | 2021-06-09 | Lock core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217233098U true CN217233098U (en) | 2022-08-19 |
Family
ID=82816773
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121284537.7U Active CN217233098U (en) | 2021-06-09 | 2021-06-09 | Lock core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217233098U (en) |
-
2021
- 2021-06-09 CN CN202121284537.7U patent/CN217233098U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |