CN223991663U - A type of free-spinning lock cylinder - Google Patents
A type of free-spinning lock cylinderInfo
- Publication number
- CN223991663U CN223991663U CN202323267685.XU CN202323267685U CN223991663U CN 223991663 U CN223991663 U CN 223991663U CN 202323267685 U CN202323267685 U CN 202323267685U CN 223991663 U CN223991663 U CN 223991663U
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- CN
- China
- Prior art keywords
- clutch
- lock
- lock cylinder
- free
- spinning
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
本实用新型提供一种空转锁芯，包括锁壳、拨轮以及锁胆，所述锁壳内开设有用于安装锁胆的安装孔，所述锁胆相对安装孔同轴开设有锁孔，所述安装孔内位于锁胆外端设有空转挡片，所述空转挡片的端部开设有与锁孔相对应的锁口，所述空转挡片的外圆周壁上开设有环形槽，所述锁壳上相对环形槽径向方向开设有限位孔，所述限位孔内安装有插设于环形槽的封销。本实用新型能够保护锁胆避免被破坏且防盗性能好。
This utility model provides a free-spinning lock cylinder, including a lock shell, a dial, and a lock cylinder. The lock shell has a mounting hole for installing the lock cylinder. The lock cylinder has a lock hole coaxially formed opposite the mounting hole. A free-spinning stop plate is provided at the outer end of the lock cylinder within the mounting hole. The end of the free-spinning stop plate has a lock slot corresponding to the lock hole. An annular groove is formed on the outer circumferential wall of the free-spinning stop plate. A limiting hole is formed radially on the lock shell opposite the annular groove, and a sealing pin inserted into the annular groove is installed in the limiting hole. This utility model can protect the lock cylinder from damage and has good anti-theft performance.
Description
Technical Field
The utility model relates to the technical field of lock cylinders, in particular to an idle lock cylinder.
Background
The main function of the lock core is that the head transmits torsion force, thereby driving other parts of the lock to unlock and lock. When the lock core is installed on an automatic door lock, an electric structure of the automatic door lock can realize unlocking and locking by controlling the lock tongue through the shifting wheel through the clutch mechanism, and the electric structure is not mutually interfered with the lock liner through the clutch mechanism when being started. The lock liner of the existing lock core is easy to be damaged when people pass through the door lock panel to forcibly unlock through a screwdriver or other tools, so that the lock liner is damaged, the lock liner needs to be replaced, and the cost is high.
Disclosure of utility model
Based on the above problems, the present utility model aims to provide an idle lock cylinder which can protect a lock cylinder from being damaged and has good anti-theft performance.
Aiming at the problems, the technical scheme is that the idle lock cylinder comprises a lock shell, a poking wheel and a lock liner, wherein a mounting hole for mounting the lock liner is formed in the lock shell, a lock hole is coaxially formed in the lock liner relative to the mounting hole, an idle stop piece is arranged at the outer end of the lock liner in the mounting hole, a locking opening corresponding to the lock hole is formed in the end part of the idle stop piece, an annular groove is formed in the outer circumferential wall of the idle stop piece, a limiting hole is formed in the lock shell relative to the radial direction of the annular groove, and a sealing pin inserted into the annular groove is arranged in the limiting hole.
In the structure, through the arrangement of the idle stop ring, when other people pass through the locking opening through the screwdriver or other tools, the insertion depth of the screwdriver is reduced through the thickness of the idle stop piece and the door lock panel, so that the idle stop piece can realize idle running relative to the axial direction of the idle stop piece when the other people rotate the screwdriver, thereby avoiding damage of other people to the lock liner and improving the anti-theft performance of the lock. The annular groove is matched with the sealing pin to limit the axial direction of the idle stop piece, so that the stability of the idle stop piece can be improved, and the reliability of the utility model is improved. The limit holes are arranged, so that the installation of the seal pin can be facilitated, and the convenience of assembly of the utility model is improved.
The utility model further provides that the sealing pin is screwed or riveted in the limiting hole.
By adopting the structure, the idle stop piece can be conveniently replaced by the threaded connection and the matching of the sealing pin and the limiting hole, and the connecting strength between the sealing pin and the lock shell can be improved by riveting the sealing pin in the limiting hole, so that the stress strength of the sealing pin is improved.
The utility model is further characterized in that a positioning groove which is abutted with the idle stop piece in the axial direction is formed in the mounting hole.
In the structure, the positioning groove is arranged to facilitate the positioning and mounting of the idle stop piece, so that the assembly efficiency of the utility model is improved.
The clutch mechanism comprises a movable head, a first clutch piece, a second clutch piece, a transmission rod, a first reset spring and a second reset spring which are coaxially arranged, wherein two ends of a shifting wheel are respectively and rotatably sleeved on the end part of the movable head and the end part of a lock liner, a through hole which is correspondingly matched with the first clutch piece and the second clutch piece is formed in the shifting wheel, a containing groove which is used for containing the first clutch piece is formed in the movable head, clamping blocks which are arranged in the radial direction of the first clutch piece and the second clutch piece are formed in the outer circumferential wall of the first clutch piece, clamping grooves which are correspondingly matched with the clamping blocks are formed in the inner walls of the containing groove and the through hole and the end part of the lock liner, the clamping grooves at the through hole are in through arrangement, the first clutch piece and the second clutch piece are rotatably sleeved on the transmission rod, a limiting plate which is abutted against the first reset spring is arranged on the transmission rod and is positioned in the second clutch piece, the end part of the transmission rod is provided with a limiting plate which is abutted against the first reset spring, the containing groove is positioned in the first clutch piece and is positioned in the radial direction of the first clutch piece, the other end face is positioned in the first clutch piece, and the other end face is opposite to the first clutch piece, and the first clutch piece is positioned in the radial direction is positioned in the through hole, and opposite to the first clutch groove is positioned in the clutch opening, and opposite to the first clutch piece is positioned in the end, and opposite to the clutch opening.
In the structure, the matched key is inserted into the lock hole of the lock container, after the end part of the key is inserted into the connecting port, the key is continuously inserted forwards, the transmission rod is pushed to drive the second clutch piece and the first clutch piece to move towards the movable head until the first clutch piece enters into the accommodating groove of the movable head, the key cannot continuously move forwards, the second clutch piece is moved into the through hole of the poking wheel, the key is rotated, the poking wheel is driven to rotate by the clamping block of the second clutch piece to realize the rotation of the poking wheel, the unlocking and locking of the door lock are realized, after the unlocking or locking is finished, the clamping block of the second clutch piece is controlled to reset correspondingly to the clamping groove of the lock container by rotating the key, and elastic reset force can be generated for the first clutch piece by arranging the second reset spring, so that pushing force can be generated for the second clutch piece through the first clutch piece, and the clamping block of the second clutch piece is accurately reset correspondingly to the clamping groove of the lock container when the key is driven to rotate and reset, and the key is conveniently pulled out. The coaxiality of the first clutch piece and the second clutch piece and the stability of displacement of the first clutch piece and the second clutch piece can be improved through the transmission rod, the transmission rod can be conveniently reset through the first reset spring, the hand feeling of a key in insertion can be improved, and the reliability of the utility model is improved. When the automatic door lock is installed on the automatic door lock, the movable shifting piece or other transmission parts which are in transmission fit with the motor mechanism of the automatic door lock are installed at the movable head, so that the electric mechanism drives the movable head through the movable shifting piece to control the first clutch piece to drive the shifting wheel to rotate, unlocking or locking is realized, and the electric mechanism can be started quickly to unlock or lock. The second clutch piece is arranged in the lock liner, so that when other people control the lock liner to drive the second clutch piece to rotate through the tool, the second clutch piece cannot control the dial wheel to rotate under the condition of not moving out of the lock liner, and the lock liner can only idle, thereby improving the anti-theft performance of the anti-theft lock.
The utility model further provides that one end of the transmission rod, which is positioned outside the first clutch piece, is provided with an anti-falling flange.
By adopting the structure, the transmission rod can be convenient to limit the first clutch part, so that the stability and the reliability of the clutch mechanism are improved.
The utility model further provides that the clamping blocks on the first clutch piece and the second clutch piece are symmetrically provided with two groups relative to the axial direction of the thumb wheel.
By adopting the structure, unlocking or locking can be realized by rotating the key by 180 degrees, and the structural strength of the first clutch piece and the second clutch piece can be improved, so that the service lives of the first clutch piece and the second clutch piece are prolonged, and the reliability of the utility model is improved.
The utility model is further arranged that the movable head and the end part of the lock liner are respectively clamped with a clamp spring positioned at two sides of the thumb wheel.
By adopting the structure, the shifting wheel can be limited, so that the stability of the shifting wheel is improved, the shifting wheel is prevented from shaking left and right, and the reliability of the utility model is improved.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a schematic diagram of a split structure of a part of the structure of the present utility model.
Fig. 3 is a schematic cross-sectional view of the present utility model.
Fig. 4 is a schematic view of the structure of the lock case of the present utility model.
Fig. 5 is a schematic diagram of a split structure of the present utility model.
FIG. 6 is a schematic diagram of the clutch mechanism and the thumb wheel of the present utility model.
The reference numerals in the drawing are 1-lock shell, 2-thumb wheel, 3-lock liner, 11-mounting hole, 31-lock hole, 4-idle stop piece, 41-lock mouth, 42-annular groove, 12-limit hole, 5-seal pin, 13-positioning groove, 6-clutch mechanism, 61-movable head, 62-first clutch piece, 63-second clutch piece, 64-transmission rod, 65-first reset spring, 66-second reset spring, 21-through hole, 621-containing groove, 01-fixture block, 02-fixture groove, 641-limit plate, 631-connection port, 642-anti-release flange and 7-clamp spring.
Detailed Description
The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model and are not intended to limit the scope of the utility model.
It should be noted that all directional indicators (such as up, down, left, right, front, rear, and back) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicators are changed accordingly.
The idle lock cylinder comprises a lock shell 1, a thumb wheel 2 and a lock liner 3, wherein a mounting hole 11 for mounting the lock liner 3 is formed in the lock shell 1, a lock hole 31 is coaxially formed in the lock liner 3 opposite to the mounting hole 11, an idle stop piece 4 is arranged at the outer end of the lock liner 3 in the mounting hole 11, a locking notch 41 corresponding to the lock hole 31 is formed in the end portion of the idle stop piece 4, an annular groove 42 is formed in the outer circumferential wall of the idle stop piece 4, a limiting hole 12 is formed in the lock shell 1 opposite to the annular groove 42 in the radial direction, and a sealing pin 5 inserted into the annular groove 42 is arranged in the limiting hole 12.
In the above structure, by arranging the idle stop ring, when other people pass through the locking opening 41 through the screw driver or other tools, the thickness of the passing idle stop piece 4 and the door lock panel reduces the insertion depth of the screw driver, so that when the screw driver is rotated by other people, the idle stop piece 4 can idle along the axial direction of the screw driver, thereby avoiding damage to the lock liner 3 by other people and improving the anti-theft performance of the utility model. The annular groove 42 is matched with the sealing pin 5 to limit the axial direction of the idle stop piece 4, so that the stability of the idle stop piece 4 can be improved, and the reliability of the utility model is improved. The limit holes 12 are arranged, so that the mounting of the seal pin 5 can be facilitated, and the convenience of assembly of the utility model is improved.
In this embodiment, the seal pin 5 is screwed or riveted in the limiting hole 12.
By adopting the structure, the idle stop piece 4 can be conveniently replaced by the threaded connection and the matching of the sealing pin 5 and the limiting hole 12, and the connecting strength between the sealing pin 5 and the lock shell 1 can be improved by riveting the sealing pin 5 in the limiting hole 12, so that the stress strength of the sealing pin 5 is improved.
In this embodiment, a positioning groove 13 is formed in the mounting hole 11 and abuts against the idle stop 4 in the axial direction.
In the above structure, the positioning groove 13 is arranged to facilitate the positioning and mounting of the idle stop piece 4, thereby improving the assembly efficiency of the utility model.
In this embodiment, the clutch mechanism 6 further includes a clutch mechanism 6, the clutch mechanism 6 includes a movable head 61, a first clutch member 62, a second clutch member 63, a transmission rod 64, a first return spring 65 and a second return spring 66 that are coaxially disposed, two ends of the driving wheel 2 are respectively rotatably sleeved at the end of the movable head 61 and the end of the lock cylinder 3, a through hole 21 corresponding to the first clutch member 62 and the second clutch member 63 is disposed in the driving wheel 2, a receiving groove 621 for receiving the first clutch member 62 is disposed in the movable head 61, clamping blocks 01 disposed in a radial direction relative to the outer circumferential walls of the first clutch member 62 and the second clutch member 63 are disposed on the outer circumferential walls of the first clutch member 62 and the second clutch member 63, clamping grooves 02 corresponding to the clamping blocks 01 are disposed on the inner walls of the receiving groove 621 and the through hole 21, the clamping grooves 02 corresponding to the locking cylinder 3 are disposed in a penetrating manner, the first clutch member 62 and the second clutch member 63 are rotatably sleeved on the transmission rod 64, the first return spring 65 is disposed on the transmission rod 65, the first return spring 63 is disposed in the opposite to the second clutch member 63, the first clutch member 63 is disposed in the opposite direction to the second clutch member 63, the first end of the first clutch member 63 is disposed opposite to the second clutch member 63, the first end of the second clutch member 63 is disposed opposite to the first end of the first clutch member 63 is disposed opposite to the second end of the first end of the second clutch member 63, and the first clutch member is disposed opposite to the second end of the first clutch member 63 is disposed opposite to the first end of the first end of the clutch member 63 is opposite to the end to the first end of the clutch member.
In the above structure, the matched key is inserted into the lock hole 31 of the lock container 3, after the end of the key is inserted into the connection hole 631, the key is continuously inserted forward, the transmission rod 64 is pushed to drive the second clutch 63 and the first clutch 62 to move towards the movable head 61 until the first clutch 62 enters into the accommodating groove 621 of the movable head 61, the key cannot continuously move forward, the second clutch 63 moves into the through hole 21 of the thumb wheel 2, the key is rotated, the thumb wheel 2 is driven to rotate by the clamping block 01 of the second clutch 63 and the clamping groove 02 of the thumb wheel 2, unlocking and locking of the door lock are realized, after unlocking or locking is completed, the clamping block 01 of the second clutch 63 and the clamping groove 02 of the lock container 3 are controlled to correspondingly reset by rotating the key, and the second reset spring 66 is arranged to generate elastic reset force for the first clutch 62, so that when the second clutch 63 is driven to rotate and reset by the first clutch 62, the driving force is convenient for accurately resetting the clamping block 01 of the second clutch 63 and the clamping groove 02 of the lock container 3. The coaxiality of the first clutch member 62 and the second clutch member 63 and the stability of displacement of the two can be improved by arranging the transmission rod 64, the transmission rod 64 can be conveniently reset by arranging the first reset spring 65, the hand feeling when a key is inserted can be improved, and the reliability of the utility model is improved. By arranging one end of the first clutch member 62 in the accommodating groove 621, the other end of the first clutch member is in the through hole 21, and the second clutch member 63 is in the lock container 3, when the utility model is arranged on an automatic door lock, a movable plectrum or other transmission members which are in transmission fit with an electric motor mechanism of the automatic door lock can be arranged at the movable head 61, so that the electric mechanism drives the movable head 61 through the movable plectrum to control the first clutch member 62 to drive the dial wheel 2 to rotate, unlocking or locking is realized, and the electric mechanism can be started quickly for unlocking or locking. The second clutch part 63 is arranged in the lock liner 3, so that when other people control the lock liner 3 to drive the second clutch part 63 to rotate through a tool, the second clutch part 63 cannot control the dial wheel 2 to rotate under the condition of moving out of the lock liner 3, and the lock liner 3 can only idle, thereby improving the anti-theft performance of the utility model.
In this embodiment, the end of the transmission rod 64 located outside the first clutch member 62 is provided with a release preventing flange 642.
With the above structure, the transmission rod 64 can be conveniently used for limiting the first clutch member 62, so that the stability and reliability of the clutch mechanism 6 are improved.
In this embodiment, the two groups of clamping blocks 01 on the first clutch member 62 and the second clutch member 63 are symmetrically arranged in the axial direction of the thumb wheel 2.
By adopting the structure, unlocking or locking can be realized by rotating the key by 180 degrees, and the structural strength of the first clutch piece 62 and the second clutch piece 63 can be improved, so that the service lives of the first clutch piece 62 and the second clutch piece 63 are prolonged, and the reliability of the utility model is improved.
In this embodiment, the movable head 61 and the end of the lock cylinder 3 are both clamped with the clamping springs 7 located at two sides of the thumb wheel 2.
By adopting the structure, the shifting wheel 2 can be limited, so that the stability of the shifting wheel 2 is improved, the shifting wheel is prevented from shaking left and right, and the reliability of the utility model is improved.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323267685.XU CN223991663U (en) | 2023-11-29 | 2023-11-29 | A type of free-spinning lock cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323267685.XU CN223991663U (en) | 2023-11-29 | 2023-11-29 | A type of free-spinning lock cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223991663U true CN223991663U (en) | 2026-03-13 |
Family
ID=99002884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323267685.XU Active CN223991663U (en) | 2023-11-29 | 2023-11-29 | A type of free-spinning lock cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223991663U (en) |
-
2023
- 2023-11-29 CN CN202323267685.XU patent/CN223991663U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |