CN220955087U - Lock cylinder with anti-theft and initial confirmation functions - Google Patents
Lock cylinder with anti-theft and initial confirmation functions Download PDFInfo
- Publication number
- CN220955087U CN220955087U CN202322257120.7U CN202322257120U CN220955087U CN 220955087 U CN220955087 U CN 220955087U CN 202322257120 U CN202322257120 U CN 202322257120U CN 220955087 U CN220955087 U CN 220955087U
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- lock
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- lock cylinder
- wall
- key
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- 238000012790 confirmation Methods 0.000 title claims abstract description 28
- 239000004579 marble Substances 0.000 claims description 34
- 238000003860 storage Methods 0.000 claims description 25
- 238000003825 pressing Methods 0.000 claims description 7
- 230000008901 benefit Effects 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract 1
- 210000004907 gland Anatomy 0.000 description 7
- 230000009471 action Effects 0.000 description 5
- 230000006835 compression Effects 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- 230000005484 gravity Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000010200 validation analysis Methods 0.000 description 1
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- Lock And Its Accessories (AREA)
Abstract
The utility model discloses a lock cylinder with anti-theft and initial confirmation functions, which comprises a lock cylinder and a lock shell, wherein a cavity is formed in the lock shell, the lock cylinder is rotationally connected in the cavity, a key slot is formed in the middle of the lock cylinder, and a plurality of through holes are formed in the outer wall of the lock cylinder along the axis direction of the lock cylinder; the outer wall of the lock shell is provided with a plurality of driving pin holes which are arranged corresponding to the through holes, the driving pin holes are communicated with the cavity, and the driving pin holes are internally provided with driving pins and first springs from inside to outside; through the design of a plurality of marbles, the lock core has initial confirmation operation, and the lock core can be matched with the existing key through the initial confirmation operation, so that the lock core is used on equipment in daily life, the carrying quantity of the key can be reduced, the manufacturing cost of the key is reduced, the resource is saved, and the key has better economic benefit; through the effect of spacing post and guide way, the turned angle of limiting lock courage promptly unblanks the angle setting to 90 degrees unblanks, turns 180 degrees unblanks promptly.
Description
Technical field:
The utility model relates to the technical field of locks, in particular to a lock cylinder with anti-theft and initial confirmation functions.
The background technology is as follows:
The lock core is a main part for controlling the unlocking of the lock, is a heart of the lock, and is a core part which can rotate and drive the lock bolt to move in cooperation with a key.
The traditional lock core can only be opened by one key, but the places where locks are used in life are more, so that a user needs to wear a plurality of keys, and a lot of burden is added to people; meanwhile, most keys are similar in shape, the keys are easy to mix up when unlocking each time, the keys need to be matched one by one, inconvenience is caused to a user, namely, a lock core with a master key which can be unlocked is generated, namely, one key can be used for unlocking a plurality of lock cores, and meanwhile, one lock core can be used for unlocking a plurality of keys, so that the lock core is low in safety and does not have an anti-theft function, a lock core is required to be capable of achieving the purpose that one key can be used for unlocking a plurality of lock cores according to the key which is used previously, and the key has uniqueness.
The utility model comprises the following steps:
the utility model aims to provide a lock cylinder with anti-theft and initial confirmation functions.
The utility model is implemented by the following technical scheme: the lock cylinder with the anti-theft and initial confirmation functions comprises a lock cylinder and a lock shell, wherein a cavity is formed in the lock shell, and the lock cylinder is connected with the cavity in a rotating mode;
A key slot is formed in the middle of the lock liner, a plurality of through holes are formed in the outer wall of the lock liner along the axis direction of the lock liner, and the through holes are communicated with the key slot; the outer wall of the lock shell is provided with a plurality of driving pin holes which are arranged corresponding to the through holes, the driving pin holes are communicated with the cavity, and driving pins and first springs are sequentially arranged in the driving pin holes from inside to outside;
The outer wall of the lock shell is also provided with a plurality of marble storage holes which are arranged corresponding to the driving pin holes, the marble storage holes are communicated with the cavity, and marble groups and second springs are sequentially arranged in the marble storage holes from inside to outside;
The outer wall of the lock shell is also provided with a limit post hole communicated with the cavity, and a limit post and a third spring are sequentially arranged in the limit post hole from inside to outside;
The outer wall of the lock liner is provided with a guide groove matched with the limit column, the guide groove is arranged along the circumferential direction of the lock liner, and the guide groove is in sliding fit with the limit column.
Further, a pressing cover plate is covered between the marble storage hole, the driving pin hole and the limiting column hole, and the pressing cover plate is fixedly connected with the outer wall of the lock shell.
Further, a mounting groove is formed in the contact surface of the lock shell and the compression cover plate, the compression cover plate is arranged in the mounting groove, and the compression cover plate is fixedly connected with the outer wall of the lock shell through a bolt.
Further, the marble group comprises a plurality of marbles which are sequentially arranged.
The utility model has the advantages that: through the design of a plurality of marbles, the lock core has initial confirmation operation, and the lock core can be matched with the existing key through the initial confirmation operation, so that the lock core is used on equipment in daily life, the carrying quantity of the key can be reduced, the manufacturing cost of the key is reduced, the resource is saved, and the key has better economic benefit;
The lock core after initial confirmation has specific requirements on the depth of the tooth of the key under the action of the first spring, the driving pin and the marble which are completely extruded, so that the lock core cannot be opened by a master key, has uniqueness, improves safety and has an anti-theft function;
Through the action of the limiting column and the guide groove, the rotating angle of the lock liner is limited, namely the unlocking angle is set to be 90 degrees for unlocking or 180 degrees for unlocking; meanwhile, in the initial confirmation stage of the lock core, the limit post is in movable contact with the outer wall of the lock liner and cannot enter the guide groove, until the initial confirmation is finished, the lock liner is rotated, when the through hole of the lock liner is aligned with the driving pin hole, the limit post enters the guide groove, and under the cooperation of the guide groove and the limit post, the lock liner can be prevented from rotating towards the marble storage hole in the later stage, so that the stability of the number of marbles entering the through hole is further ensured.
Description of the drawings:
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is an exploded view of the lock housing structure of the present utility model;
FIG. 2 is a front view of a cross-section of the utility model in an initial validation state;
FIG. 3 is a front view of a section of the utility model in a locked state during normal use at a later stage;
FIG. 4 is a cross-sectional side view of the utility model in a latched condition during later normal use;
FIG. 5 is a front view of the utility model in the open position in the later stage of normal use;
In the figure: the lock cylinder 1, the lock shell 2, the cavity 3, the key slot 4, the through hole 5, the driving pin hole 6, the driving pin 61, the first spring 62, the marble storage hole 7, the marble group 71, the marble 711, the second spring 72, the limit bar 8, the limit post hole 9, the limit post 91, the third spring 92, the guide slot 10, the compression cover plate 11, the mounting slot 12, the bolt 13 and the key 14.
The specific embodiment is as follows:
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1-5, the lock core with anti-theft and initial confirmation functions comprises a lock liner 1 and a lock shell 2, wherein a cavity 3 is formed in the lock shell 2, the lock liner 1 is rotationally connected in the cavity 3, a key slot 4 is formed in the middle of the lock liner 1, one end, away from the key slot 4, of the lock liner 1 can be used for fixing a corresponding lock bolt according to requirements, a plurality of through holes 5 are formed in the outer wall of the lock liner 1 along the axial direction of the lock liner, and the through holes 5 are communicated with the key slot 4; the outer wall of the lock shell 2 is provided with a plurality of driving pin holes 6 which are correspondingly arranged with the through holes 5, the driving pin holes 6 are communicated with the cavity 3, and the driving pin holes 6 are internally and sequentially provided with a driving pin 61 and a first spring 62 from inside to outside, so that the minimum compression length is realized after the first spring 62 is compressed, and the bottom end of the driving pin 61 is just positioned on a rotating surface between the lock liner 1 and the lock shell 2.
The outer wall of the lock shell 2 is also provided with a plurality of marble storage holes 7 which are arranged corresponding to the driving pin holes 6, the marble storage holes 7 are communicated with the cavity 3, a marble group 71 and a second spring 72 are sequentially arranged in the marble storage holes 7 from inside to outside, the marble group 71 comprises a plurality of marble 711 which are sequentially arranged, the bottom ends of the marble 711 are arc surfaces, and the arc design of the bottom ends of the marble 711 improves the flexibility of the lock core;
By the arrangement of the pin tumbler storing holes 7 and the pin tumbler stack 71, the lock cylinder has an initial confirmation function, specifically: in the original state, the through hole 5 of the lock cylinder 1 corresponds to the pin storage hole 7, so when the previously used key 14 is inserted into the key slot 4, the pins in the pin storage hole 7 can automatically fill the missing part of the key teeth in the through hole 5 of the lock cylinder 1 along with the depth of the teeth of the key 14, the redundant pins 711 of the pin group 71 are extruded out of the through hole 5 and still remain in the pin storage hole 7, the lock cylinder 1 is rotated by the key 14 along with the through hole 5 of the lock cylinder 1 to be aligned with the driving pin holes 6 on the lock shell 2, namely, the initial confirmation of the number of the pins is completed, the number of the pins in each through hole 5 is driven to determine the depth requirement of the teeth of the subsequently used key 14, and the lock cylinder after the initial confirmation can be opened only by a specific key 14.
The diameters of the through hole 5, the marble storage hole 7 and the driving pin hole 6 are larger than the width of the key slot 4;
The outer wall of the lock shell 2 is also provided with a limit post hole 9 communicated with the cavity 3, the limit post hole 9 is sequentially provided with a limit post 91 and a third spring 92 from inside to outside, the outer wall of the lock liner 1 is provided with a guide groove 10 matched with the limit post 91, the guide groove 10 is arranged along the circumferential direction of the lock liner 1, the guide groove 10 is in sliding fit with the limit post 91, and the rotation angle of the lock liner 1 is limited by the action of the limit post 91 and the guide groove 10, namely, the unlocking angle is set to be 90-degree unlocking or 180-degree unlocking; meanwhile, in the initial confirmation stage of the lock core, the limit post 91 is in movable contact with the outer wall of the lock cylinder 1 and cannot enter the guide groove 10, until the initial confirmation is finished, the lock cylinder 1 is rotated, when the through hole 5 of the lock cylinder 1 is aligned with the driving pin hole 6, the limit post 91 enters the guide groove 10, and under the cooperation of the guide groove 10 and the limit post 91 and the cooperation of the limit post 91 and the guide groove 10, as the marble storage hole 7 and the marble 711 remained in the marble storage hole are not acted after the initial confirmation, the rotation angle of the lock cylinder 1 relative to the lock shell 2 is limited, and the through hole 5 of the lock cylinder 1 is prevented from being communicated with the marble storage hole 7.
The cover is equipped with the gland plate 11 between marble storage hole 7, drive pinhole 6, spacing post hole 9, the outer wall fixed connection who compresses tightly the gland plate 11 and lock shell 2, the mode that compresses tightly the gland plate 11 and is used for shutoff spacing post hole 9, marble storage hole 7, drive pinhole 6 is many, as preferential use to compress tightly the gland plate 11 shutoff, simple to operate when earlier stage preparation, mounting groove 12 has been seted up on the contact surface of lock shell 2 and gland plate 11, compress tightly the gland plate 11 and arrange in mounting groove 12, compress tightly the gland plate 11 and pass through the outer wall fixed connection of bolt 13 and lock shell 2.
Through the design of a plurality of marble 711 for this lock core has initial confirmation operation, through initial confirmation operation, can make this lock core match current key 14, uses this lock core on the equipment in daily life, can reduce the quantity of carrying of key 14, has reduced the cost of key 14 manufacturing, has saved the resource, has better economic benefits.
The specific operation process of the embodiment is as follows:
1. Initial confirmation of lock cylinder: the through holes 5 of the lock cylinder 1 are correspondingly communicated with the pin storage holes 7, pins 711 slide into the through holes 5 of the lock cylinder 1 along the pin storage holes 7, at the moment, any key 14 is inserted into the key slot 4, the inside of the through holes 5 is filled up through partial pins 711 according to the depth of teeth of the keys 14 in each through hole 5, the redundant pins 711 are naturally extruded out of the through holes 5 and return to the pin storage holes 7, the keys 14 are rotated towards one side of the driving pin holes 6 to drive the lock cylinder 1 to rotate, at the moment, the pins 711 arranged in the through holes 5 of the lock cylinder 1 rotate along with the lock cylinder 1, and meanwhile, the pin storage holes 7 are plugged through the outer walls of the lock cylinder 1, so that the initial confirmation operation of the keys 14 is completed;
2. Locking operation: the lock cylinder 1 is rotated by the key 14, meanwhile, the rotation angle between the lock cylinder 1 and the lock shell 2 is limited under the action of the limit post hole 9 and the limit post 91, after the lock cylinder 1 rotates to the through hole 5 to be correspondingly communicated with the drive pin hole 6, at the moment, the contact surface between the bottom end of the drive pin 61 in the drive pin hole 6 and the top end of the marble 711 in the through hole 5 is positioned on the rotation surface between the lock shell 2 and the lock cylinder, the key 14 is pulled out of the key slot 4, under the action of gravity, the drive pin 61 falls into the through hole 5 of the lock cylinder 1 along with the marble 711, the drive pin 61 locks the rotation between the lock cylinder 1 and the lock shell 2, the lock cylinder 1 is motionless, the lock bolt is limited to move, and the locking operation is completed;
3. The unlocking operation is that the key 14 is inserted into the key slot 4, at this time, the contact surface between the bottom end of the driving pin 61 in the driving pin hole 6 and the top end of the marble 711 at the top in the through hole 5 is positioned on the rotating surface of the lock shell 2 and the lock core, the lock liner 1 can be rotated, and the lock liner 1 can drive the lock bolt to move, so as to complete the unlocking operation.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (4)
1. The lock cylinder with the anti-theft and initial confirmation functions comprises a lock cylinder and a lock shell, wherein a cavity is formed in the lock shell, and the lock cylinder is connected with the cavity in a rotating mode;
A key slot is formed in the middle of the lock liner, a plurality of through holes are formed in the outer wall of the lock liner along the axis direction of the lock liner, and the through holes are communicated with the key slot; the outer wall of the lock shell is provided with a plurality of driving pin holes which are arranged corresponding to the through holes, the driving pin holes are communicated with the cavity, and the driving pin holes are internally provided with driving pins and first springs in sequence from inside to outside, and the lock is characterized in that;
The outer wall of the lock shell is also provided with a plurality of marble storage holes which are arranged corresponding to the driving pin holes, the marble storage holes are communicated with the cavity, and marble groups and second springs are sequentially arranged in the marble storage holes from inside to outside;
The outer wall of the lock shell is also provided with a limit post hole communicated with the cavity, and a limit post and a third spring are sequentially arranged in the limit post hole from inside to outside;
The outer wall of the lock liner is provided with a guide groove matched with the limit column, the guide groove is arranged along the circumferential direction of the lock liner, and the guide groove is in sliding fit with the limit column.
2. The lock cylinder with anti-theft and initial confirmation functions according to claim 1, wherein a pressing cover plate is covered among the pin tumbler storing hole, the driving pin hole and the limiting post hole, and the pressing cover plate is fixedly connected with the outer wall of the lock shell.
3. The lock cylinder with anti-theft and initial confirmation function according to claim 2, wherein a mounting groove is formed on a contact surface of the lock shell and the pressing cover plate, the pressing cover plate is arranged in the mounting groove, and the pressing cover plate is fixedly connected with the outer wall of the lock shell through a bolt.
4. A lock cylinder with anti-theft and initial confirmation function according to any one of claims 1 to 3, wherein the pin tumbler stack comprises a plurality of pins arranged in sequence.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322257120.7U CN220955087U (en) | 2023-08-21 | 2023-08-21 | Lock cylinder with anti-theft and initial confirmation functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322257120.7U CN220955087U (en) | 2023-08-21 | 2023-08-21 | Lock cylinder with anti-theft and initial confirmation functions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220955087U true CN220955087U (en) | 2024-05-14 |
Family
ID=91009106
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322257120.7U Active CN220955087U (en) | 2023-08-21 | 2023-08-21 | Lock cylinder with anti-theft and initial confirmation functions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220955087U (en) |
-
2023
- 2023-08-21 CN CN202322257120.7U patent/CN220955087U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |