CN108824979B - Cylindrical lock cylinder with clutch transmission function by using cylindrical key - Google Patents
Cylindrical lock cylinder with clutch transmission function by using cylindrical key Download PDFInfo
- Publication number
- CN108824979B CN108824979B CN201810982404.3A CN201810982404A CN108824979B CN 108824979 B CN108824979 B CN 108824979B CN 201810982404 A CN201810982404 A CN 201810982404A CN 108824979 B CN108824979 B CN 108824979B
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- China
- Prior art keywords
- cylinder
- inner cylinder
- cylindrical key
- lock
- cylindrical
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 14
- 239000011324 bead Substances 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 8
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 238000000429 assembly Methods 0.000 claims description 3
- 230000004888 barrier function Effects 0.000 abstract description 7
- 239000004579 marble Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B27/00—Cylinder locks or other locks with tumbler pins or balls that are set by pushing the key in
- E05B27/0046—Axially movable rotor
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B27/00—Cylinder locks or other locks with tumbler pins or balls that are set by pushing the key in
- E05B27/0057—Cylinder locks or other locks with tumbler pins or balls that are set by pushing the key in with increased picking resistance
- E05B27/0075—Cylinder locks or other locks with tumbler pins or balls that are set by pushing the key in with increased picking resistance by movable rotor elements
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B27/00—Cylinder locks or other locks with tumbler pins or balls that are set by pushing the key in
- E05B27/10—Cylinder locks or other locks with tumbler pins or balls that are set by pushing the key in operated by other surfaces of the key, e.g. openings receiving projections on the tumblers
Landscapes
- Lock And Its Accessories (AREA)
Abstract
The invention discloses a belt clutch transmission cylinder lock core using a cylindrical key, which comprises: the device comprises an outer cylinder, an inner cylinder, a baffle sub-assembly and a return spring, wherein a cylinder hole for accommodating the inner cylinder is formed in the outer cylinder, the cylindrical inner cylinder is rotatably arranged in the cylinder hole, the baffle sub-assembly is arranged between the outer cylinder and the inner cylinder, and the return spring is also arranged in the cylinder hole and elastically acts between the outer cylinder and the inner cylinder along the axial direction. The cylindrical lock core with clutch transmission adopts the technical scheme of the invention, because the cylindrical key is provided with the reset spring, the clutch transmission structure is formed, when the cylindrical key is inserted into the lock hole of the inner cylinder, the lock cannot be opened by twisting the key, but the inner cylinder overcomes the elasticity of the reset spring through the key so as to move a set distance along the axial direction relative to the outer cylinder, and then the cylindrical key is twisted so as to rotate the inner cylinder relative to the outer cylinder, thereby opening the lock; therefore, the problem of alignment of a plurality of barrier subassemblies is solved in the radial direction, and the problem of a return spring is also required to be solved in the axial direction, so that the difficulty of technical opening is greatly increased, and the anti-theft performance is better.
Description
Technical Field
The invention relates to the technical field of locks, in particular to a cylindrical lock cylinder, and especially relates to a cylindrical lock cylinder with clutch transmission by using a cylindrical key.
Background
The lock is an indispensable article in our life, and the earliest lock can be traced to the front of the primordial, so that a wood lock is said to be found in the Yangshao cultural relics of China, and the most commonly used cylinder lock at present.
The cylinder lock is divided into an outer cylinder and an inner cylinder, the outer cylinder is used for fixing the lock cylinder, the inner cylinder is provided with a lock hole, a baffle is arranged between the two cylinders, the inner cylinder cannot rotate under the condition that no key or key is wrong, and only if a correct key is inserted, all baffles are in the correct positions, and the inner cylinder can rotate. Cylinder locks are classified into several types according to the shape and action principle of the barrier, and typically include cylinder locks, rotary disc locks, magnetic locks, and the like.
Among them, cylinder locks are most widely used at present. The baffle of the spring lock is generally divided into an upper spring and a lower spring, and the spring props against the two springs on the outer cylinder to clamp the inner cylinder and the outer cylinder. After the correct key is inserted, the gaps of the upper marble and the lower marble are aligned with the gaps of the inner cylinder and the outer cylinder, and the inner cylinder can be rotated at the moment. The more the number of the pins of the pin tumbler lock is, the greater the unlocking difficulty is, so that in order to manufacture the lock with better anti-normal performance, a plurality of rows of pins can be placed in a plurality of directions, and a cross key and a cylinder key which are common at present are formed.
However, the cylindrical lock core of the existing cylinder lock has improved technical unlocking prevention capability even if the cylinders are arranged in four directions, but has a lifting space, so that improvement is needed.
Disclosure of Invention
The invention aims to solve the technical problem of providing a cylindrical lock cylinder with clutch transmission by using a cylindrical key, and solves the problem of insufficient unlocking capability of the prior cylinder lock technology.
In order to solve the technical problems, the invention adopts the following technical scheme:
a belt clutch driven cylinder lock cylinder using a cylindrical key, comprising: the device comprises an outer cylinder, an inner cylinder, a barrier subassembly and a return spring, wherein a cylinder hole for accommodating the inner cylinder is formed in the outer cylinder, the cylindrical inner cylinder is rotatably arranged in the cylinder hole, the barrier subassembly is arranged between the outer cylinder and the inner cylinder, and the return spring is also arranged in the cylinder hole and elastically acts between the outer cylinder and the inner cylinder along the axial direction; the cylindrical key is inserted into the lock hole of the inner cylinder, and the inner cylinder overcomes the elasticity of the reset spring to axially move a set distance relative to the outer cylinder, and then the cylindrical key can be twisted to rotate relative to the outer cylinder.
In a preferred embodiment, the barrier subassembly comprises, in order from inside to outside: the ball spring, the flat ball and the number ball are sealed in ball holes formed in the outer cylinder and the inner cylinder wall along the radial direction through the sealing piece, the ball spring is compressed between the sealing piece and the flat ball, and a gap between the number ball and the flat ball is aligned with a gap between the outer cylinder and the inner cylinder when the cylindrical key is correctly inserted.
In a further preferred embodiment, the flat beads are hollow cup-shaped structures, and the bead springs are located in the cup-shaped structures.
In a preferred embodiment, the baffle sub-assembly has 4 rows spaced 90 degrees apart around the cylindrical key.
In a further preferred embodiment, the outer cylinder is substantially rectangular, and the 4-row baffle sub-assemblies are located at four corners of the outer cylinder, instead of four sides of the outer cylinder, which makes the structure more compact.
In the preferred technical scheme, the return spring is a pressure spring arranged between the inner side end surface of the inner cylinder and the bottom of the cylinder hole.
In a further preferred technical scheme, the inner cylinder comprises a cylinder core and a cylinder core joint; the cylinder core connector is connected with the cylinder core, and the pressure spring is wound around the periphery of the cylinder core connector; the cylinder core overcomes the elasticity of the pressure spring under the action of the cylindrical key and moves a set distance along the axis relative to the outer cylinder, and then can be linked with the lock body to unlock the lock.
In a further preferred embodiment, the cartridge connector is connected to the cartridge by means of an elastic pin.
In the preferred technical scheme, a positioning bead is further arranged between the inner cylinder and the outer cylinder.
In a preferred technical scheme, the outer cylinder comprises: the compression spring is compressed between the inner side end face of the inner cylinder and the spring cap.
In a further preferred technical scheme, the lock shell and the spring cap are fixedly connected into a whole through rivets.
The beneficial effects of the invention are as follows:
the cylindrical lock core with clutch transmission adopts the technical scheme of the invention, because the cylindrical key is provided with the reset spring, the clutch transmission structure is formed, when the cylindrical key is inserted into the lock hole of the inner cylinder, the lock cannot be opened by twisting the key, but the inner cylinder overcomes the elasticity of the reset spring through the key so as to move a set distance along the axial direction relative to the outer cylinder, and then the cylindrical key is twisted so as to rotate the inner cylinder relative to the outer cylinder, thereby opening the lock; therefore, the problem of alignment of a plurality of barrier subassemblies is solved in the radial direction, and the problem of a return spring is also required to be solved in the axial direction, so that the difficulty of technical opening is greatly increased, and the anti-theft performance is better.
The present invention will be described in further detail with reference to the accompanying drawings
Drawings
Fig. 1 is an exploded view of a cylinder lock cylinder with clutch drive using a cylindrical key according to an embodiment of the present invention.
Detailed Description
The embodiment provides a belt clutch transmission cylinder lock core using a cylindrical key, as shown in fig. 1, which comprises: the device comprises an outer cylinder, an inner cylinder 2, a baffle sub-assembly 3 and a return spring 4, wherein a cylinder hole for accommodating the inner cylinder is formed in the outer cylinder, the cylindrical inner cylinder 2 is rotatably arranged in the cylinder hole, the baffle sub-assembly 3 is arranged between the outer cylinder 1 and the inner cylinder 2, and the return spring 4 is also arranged in the cylinder hole and elastically acts between the outer cylinder and the inner cylinder 2 along the axial direction; the cylindrical key is inserted into the lock hole of the inner cylinder 2, and after the inner cylinder 2 overcomes the elasticity of the reset spring 4 and moves a set distance along the axial direction relative to the outer cylinder, the cylindrical key can be twisted to rotate the inner cylinder 2 relative to the outer cylinder, so that the lock body (not shown in the figure) at the rear end is driven to unlock.
The cylindrical lock core with clutch transmission adopts the technical scheme of the specific embodiment of the invention, because the cylindrical key is provided with the reset spring 4, the clutch transmission structure is formed, when the cylindrical key is inserted into the lock hole of the inner cylinder 2, the lock cannot be opened by twisting the key, but the inner cylinder 2 overcomes the elasticity of the reset spring 4 through the key so as to move a set distance along the axial direction relative to the outer cylinder, and then the cylindrical key is twisted so as to rotate the inner cylinder 2 relative to the outer cylinder, thereby opening the lock; therefore, the problem of the alignment of the plurality of baffle sub-assemblies 3 in the radial direction is solved, and the problem of the return spring 4 in the axial direction is also solved, so that the difficulty of technical opening is greatly increased, and the anti-theft performance is better.
In a preferred embodiment, the barrier subassembly 3 comprises, in order from the inside to the outside: the number ball 31, the flat ball 32, the ball spring 33 and the sealing piece 34, wherein the ball spring 33, the flat ball 32 and the number ball 31 are sealed in ball holes formed in the radial direction of the cylinder wall of the outer cylinder and the inner cylinder 2 through the sealing piece 34, the ball spring 33 is compressed between the sealing piece 34 and the flat ball 32, and when a cylindrical key is correctly inserted, a gap between the number ball 31 and the flat ball 32 is aligned with a gap between the outer cylinder and the inner cylinder 2, so that the key can be twisted.
In a further preferred embodiment, the flat bead 32 of the baffle sub-assembly 3 is a hollow cup-shaped structure, and the bead spring 33 is located in the cup-shaped structure, so that the overall size of the baffle sub-assembly 3 can be reduced, and the lock core is more compact.
In a preferred embodiment, the baffle sub-assembly 3 has 4 rows, which are spaced 90 degrees apart around the cylindrical key.
In a further preferred technical scheme, each row of baffle subassemblies 3 shares a sealing piece 34, so that the number of parts can be reduced, the assembly process is simplified, and the assembled lock cylinder is more concise and attractive.
In a preferred technical scheme, the return spring 4 is a pressure spring arranged between the inner side end surface of the inner cylinder 2 and the bottom of the cylinder hole of the outer cylinder.
In a further preferred embodiment, the inner cylinder 2 comprises a cylinder core 20 and a cylinder core joint 22; the cylinder core joint 22 is connected with the cylinder core 20, and the pressure spring is wound around the periphery of the cylinder core joint 22; the cylinder core 20 overcomes the elasticity of the pressure spring under the action of the cylindrical key and moves along the axis for a set distance relative to the outer cylinder, and then can be linked with the lock body to unlock the lock.
In a further preferred embodiment, the core connector 22 is connected to the core 20 by an elastic pin 23, so that the connection is simpler and more reliable.
In the preferred technical scheme, a positioning bead 5 is further arranged between the inner cylinder 2 and the outer cylinder, and a key can be inserted and pulled only when the inner cylinder 2 rotates to the position of the positioning bead 5.
In a preferred technical scheme, the outer cylinder comprises: the lock shell 10 and the spring cap 11, the compression spring is compressed between the inner side end surface of the inner cylinder 2 and the spring cap 11, and the purpose of splitting is convenient to process.
In a further preferred embodiment, the lock case 10 and the spring cap 11 are fixedly connected together by rivets (not shown).
The foregoing is a further detailed description of the invention in connection with the preferred embodiments, and it is not intended that the invention be limited to the specific embodiments described. It will be apparent to those skilled in the art that several simple deductions or substitutions may be made without departing from the spirit of the invention, and these should be considered to be within the scope of the invention.
Claims (10)
1. A belt clutch driven cylinder lock cylinder using a cylindrical key, comprising: the cylinder lock is characterized by further comprising a reset spring, wherein a cylinder hole for accommodating the inner cylinder is formed in the outer cylinder, the cylindrical inner cylinder is rotatably arranged in the cylinder hole, the baffle sub-assembly is arranged between the outer cylinder and the inner cylinder, and the reset spring is also arranged in the cylinder hole and elastically acts between the outer cylinder and the inner cylinder along the axial direction; the cylindrical key is inserted into the lock hole of the inner cylinder, and the inner cylinder overcomes the elasticity of the reset spring to axially move a set distance relative to the outer cylinder, and then the cylindrical key can be twisted to rotate relative to the outer cylinder.
2. A belt actuated cylinder lock core using a cylindrical key as defined in claim 1, wherein said shadow subassembly comprises, in order from the inside to the outside: the ball spring, the flat ball and the number ball are sealed in ball holes formed in the outer cylinder and the inner cylinder wall along the radial direction through the sealing piece, the ball spring is compressed between the sealing piece and the flat ball, and a gap between the number ball and the flat ball is aligned with a gap between the outer cylinder and the inner cylinder when the cylindrical key is correctly inserted.
3. A belt actuated cylinder lock core using a cylindrical key as claimed in claim 2, wherein said flat beads are hollow cup-like structures, said bead springs being located in said cup-like structures.
4. A belt actuated cylinder lock core using a cylindrical key as claimed in claim 1, wherein said baffle sub-assemblies are arranged in 4 rows spaced 90 degrees around the cylindrical key.
5. A belt actuated cylinder lock core using a cylindrical key as claimed in any one of claims 1 to 4, wherein said return spring is a compression spring provided between the inner cylinder inner end surface and the bottom of the cylinder bore.
6. The belt clutch transmission cylinder lock core using a cylindrical key as set forth in claim 5, wherein said inner cylinder comprises a cylinder core and a cylinder core joint; the cylinder core connector is connected with the cylinder core, and the pressure spring is wound around the periphery of the cylinder core connector; the cylinder core overcomes the elasticity of the pressure spring under the action of the cylindrical key and moves a set distance along the axis relative to the outer cylinder, and then can be linked with the lock body to unlock the lock.
7. A belt actuated cylinder lock core using a cylindrical key as defined in claim 6, wherein said cylinder hub is connected to said cylinder core by a resilient pin.
8. A belt actuated cylinder lock core using a cylindrical key as claimed in any one of claims 1 to 4, wherein a locating bead is further provided between said inner cylinder and said outer cylinder.
9. A belt clutch driven cylinder lock core using a cylindrical key as set forth in claim 5, wherein said outer cylinder comprises: the compression spring is compressed between the inner side end face of the inner cylinder and the spring cap.
10. The belt clutch transmission cylinder lock core using a cylindrical key according to claim 9, wherein the lock housing and the spring cap are fixedly connected into a whole by rivets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810982404.3A CN108824979B (en) | 2018-08-27 | 2018-08-27 | Cylindrical lock cylinder with clutch transmission function by using cylindrical key |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810982404.3A CN108824979B (en) | 2018-08-27 | 2018-08-27 | Cylindrical lock cylinder with clutch transmission function by using cylindrical key |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108824979A CN108824979A (en) | 2018-11-16 |
| CN108824979B true CN108824979B (en) | 2024-02-27 |
Family
ID=64150818
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810982404.3A Active CN108824979B (en) | 2018-08-27 | 2018-08-27 | Cylindrical lock cylinder with clutch transmission function by using cylindrical key |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108824979B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006316503A (en) * | 2005-05-12 | 2006-11-24 | Shibutani:Kk | Cylinder lock |
| CN201087601Y (en) * | 2007-09-12 | 2008-07-16 | 华旭强 | Marble tongue rotating lock with start and stop locating |
| CN101555738A (en) * | 2009-04-21 | 2009-10-14 | 钟坚波 | Idling lock |
| CN101694136A (en) * | 2009-10-09 | 2010-04-14 | 邱绍钻 | Multi-section tumbler lock |
| JP2013144897A (en) * | 2012-01-16 | 2013-07-25 | Hori Lock Kogyo Kk | Cylinder lock |
| CN204299317U (en) * | 2014-11-07 | 2015-04-29 | 后庆松 | A kind of novel anti-burglar lock and private key |
| CN209324162U (en) * | 2018-08-27 | 2019-08-30 | 深圳市沃奇安防科技有限公司 | A kind of band clutch transmission lock core cylinder using cylindrical key |
-
2018
- 2018-08-27 CN CN201810982404.3A patent/CN108824979B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006316503A (en) * | 2005-05-12 | 2006-11-24 | Shibutani:Kk | Cylinder lock |
| CN201087601Y (en) * | 2007-09-12 | 2008-07-16 | 华旭强 | Marble tongue rotating lock with start and stop locating |
| CN101555738A (en) * | 2009-04-21 | 2009-10-14 | 钟坚波 | Idling lock |
| CN101694136A (en) * | 2009-10-09 | 2010-04-14 | 邱绍钻 | Multi-section tumbler lock |
| JP2013144897A (en) * | 2012-01-16 | 2013-07-25 | Hori Lock Kogyo Kk | Cylinder lock |
| CN204299317U (en) * | 2014-11-07 | 2015-04-29 | 后庆松 | A kind of novel anti-burglar lock and private key |
| CN209324162U (en) * | 2018-08-27 | 2019-08-30 | 深圳市沃奇安防科技有限公司 | A kind of band clutch transmission lock core cylinder using cylindrical key |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108824979A (en) | 2018-11-16 |
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