Clutch mechanism for intelligent lock

Abstract

The clutch mechanism for the intelligent lock comprises an electric push rod, a push block, a clutch plug pin, a core shaft, a handle and a panel, the core shaft is rotatably installed on the panel, the handle is connected with the core shaft, the push block is connected with the electric push rod and provided with an arc-shaped hole, the clutch plug pin is provided with a protruding block, and the protruding block is connected with the core shaft. The protruding block can be movably arranged on the arc-shaped hole along the arc-shaped hole, the mandrel is provided with a groove, and the electric push rod can drive one end of the clutch plug pin to enter and exit from the groove through the push block. The position maintenance and movement of the clutch bolt do not depend on a spring, the structure is more compact, the required occupied space is small, the problem that the clutch bolt moves by mistake due to external vibration and the like is not easy to occur, the clutch bolt is less hindered during movement, the required load of the electric push rod is low, and energy can be effectively saved.

Description

Technical Field

[0001] The utility model relates to the field of intelligent lock structure design, in particular to a clutch mechanism for an intelligent lock. Background Art

[0002] Nowadays, smart locks can use different unlocking methods according to needs, such as fingerprint, password, NFC, APP control, etc., and smart locks are mostly equipped with clutch mechanisms and handles. Usually, sensors or control panels required for different unlocking methods are connected to the motor. After the unlocking verification such as fingerprint or password is passed, the clutch mechanism can be switched to connect with the handle. At this time, the user can unlock the lock by turning the handle on the smart lock.

[0003] The clutch mechanism of the smart locks currently on the market is set in the surface protection panel, and most of the clutch mechanisms are equipped with springs. The springs are mainly used to maintain the position of the clutch mechanism at all times. However, the setting of the spring makes the clutch mechanism occupy a large space, and when the smart lock is subjected to vibration, the spring force is easily overcome, causing the spring to fail, resulting in the clutch being mistakenly engaged with the handle, thereby causing the lock to be accidentally opened. If a spring with high elastic force is used to maintain the position of the clutch, it will be difficult for the clutch to switch to the position connected to the handle, and the problem of not switching into place may easily occur. Utility Model Content

[0004] The purpose of the present utility model is to provide a clutch mechanism for a smart lock, which can solve one or more of the above problems.

[0005] According to one aspect of the present invention, a clutch mechanism for an intelligent lock is provided, comprising an electric push rod, a push block, a clutch latch, a core shaft, a handle and a panel.

[0006] The core shaft is rotatably mounted on the panel, the handle is connected to the core shaft, and the push block is connected to the electric push rod.

[0007] The push block is provided with an arc-shaped hole, and the clutch latch is provided with a protrusion, and the protrusion is movably provided on the arc-shaped hole along the arc-shaped hole.

[0008] The core shaft is provided with a groove, and the electric push rod can drive one end of the clutch latch to move in and out of the groove through the push block.

[0009] The beneficial effects of the present invention are as follows: the clutch latch does not rely on a spring to maintain its position and move, resulting in a more compact structure, requiring less space, and being less susceptible to the problem of the clutch latch being mismoved due to external vibrations, etc. Furthermore, the clutch latch is less obstructed during movement, requiring a lower load on the electric push rod, effectively saving energy. Furthermore, the present invention is provided with an arcuate hole and a protrusion, which enable the clutch latch to effectively rotate in conjunction with the rotation of the handle after the clutch latch is connected to the core shaft, and the arcuate hole guides the movement of the clutch latch, reducing its displacement.

[0010] In some embodiments, the present invention further includes a free sleeve rotatably mounted on the core shaft, the free sleeve having an extension block, a guide slot disposed within the extension block, and the clutch latch disposed within the guide slot. The free sleeve can limit the clutch latch to ensure that the clutch latch is positioned as required. The guide slot also allows for sufficient space for the clutch latch to move and reduces displacement.

[0011] In some embodiments, a through hole is provided on the side of the guide groove, and the protrusion extends from the through hole. The provision of the through hole can prevent the free sleeve from blocking the movement of the protrusion.

[0012] In some embodiments, the present invention further includes a sleeve block that is fixedly mounted on the core shaft and has a stopper located on the periphery of the free sleeve. The stopper allows the user to rotate the extension block in a specific direction to abut the stopper even when the clutch pin is not inserted into the groove. This allows the free sleeve to be rotated by rotating the handle, thereby facilitating operations such as reverse locking.

[0013] In some embodiments, the present invention further includes a cover plate connected to the panel. The cover plate and the panel enclose a cavity within which the electric push rod, push block, and clutch latch are located. The cover plate can conceal the electric push rod, push block, clutch latch, and other structures, preventing them from being exposed and reducing interference with their operation from the external environment.

[0014] In some embodiments, the cover plate is provided with a rotation limiting hole, and the free sleeve is provided with a protrusion, which is embedded in the position limiting hole. The arrangement of the protrusion and the rotation limiting hole can limit the rotation range of the free sleeve, thereby limiting the rotation range of the handle.

[0015] In some embodiments, the handle includes a grip and a rotating shaft, one end of the grip is connected to the rotating shaft, and the rotating shaft is sleeved on the core shaft. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1This is a structural schematic diagram of a clutch mechanism for a smart lock according to an embodiment of the present invention.

[0017] Figure 2 This is an exploded view of the structural schematic diagram of the clutch mechanism for a smart lock according to one embodiment of the present invention.

[0018] Figure 3 This is a structural schematic diagram of a free sleeve of a clutch mechanism for a smart lock according to one embodiment of the present invention.

[0019] Figure 4 This is a structural schematic diagram of the clutch mechanism of the smart lock in a locked state according to an embodiment of the present invention.

[0020] Figure 5 for Figure 4 A cross-sectional view of the clutch mechanism for the smart lock at AA.

[0021] Figure 6 This is a structural diagram of the clutch mechanism of the smart lock in an embodiment of the present invention when it is in the unlocked state.

[0022] Figure 7 for Figure 6 A cross-sectional view of the clutch mechanism for the smart lock at the BB.

[0023] In the figure: 1. electric push rod, 2. push block, 3. clutch latch, 4. core shaft, 5. handle, 6. panel, 7. cover, 8. free sleeve, 9. sleeve block, 21. arc hole, 31. protrusion, 41. groove, 51. handle, 52. shaft, 71. rotation limit hole, 81. extension block, 811. guide groove, 812. through hole, 82. protrusion, 91. stopper. DETAILED DESCRIPTION

[0024] The present invention will be further described in detail below with reference to the accompanying drawings.

[0025] refer to Figures 1 to 7 The utility model discloses a clutch mechanism for an intelligent lock, comprising an electric push rod 1, a push block 2, a clutch latch 3, a core shaft 4, a handle 5 and a panel 6.

[0026] The panel 6 is provided with a hole, the core shaft 4 is rotatably embedded in the panel 6 , and the core shaft 4 is rotatably installed on the panel 6 .

[0027] The handle 5 includes a handle 51 and a rotating shaft 52. One end of the handle 51 is fixedly connected to the rotating shaft 52 in an integral manner. The rotating shaft 52 is fixedly sleeved on the core shaft 4 so that the core shaft 4 and the handle 5 are connected, so that the core shaft 4 can be rotated accordingly by rotating the handle 51.

[0028] The clutch mechanism for the smart lock further includes a cover plate 7, which is fixedly connected to the panel 6 by screws, and the connected cover plate 7 and the panel 6 enclose a receiving cavity.

[0029] The electric push rod 1 is fixedly embedded in the accommodating cavity, and the push block 2 is fixedly connected to the electric push rod 1 by bolts, so that the electric push rod 1 can drive the push block 2 to move linearly. After being set, the push block 2 is also located in the accommodating cavity.

[0030] An arc-shaped hole 21 is provided on the push block 2, and a protrusion 31 is provided on one side of the clutch latch 3. The protrusion 31 extends into the arc-shaped hole 21, and the protrusion 31 can move along the arc-shaped hole 21, so that the push block 2 and the clutch latch 3 are connected, and the clutch latch 3 is also located in the accommodating cavity after being set.

[0031] The clutch mechanism of the smart lock further includes a free sleeve 8, which is rotatably mounted on the core shaft 4. An extension block 81 is provided at the bottom of the free sleeve 8. A guide groove 811 is provided within the extension block 81. The clutch latch 3 is embedded in the guide groove 811 and can move along the guide groove 811. A through hole 812 is also provided on the side of the guide groove 811. The protrusion 31 of the clutch latch 3 extends from the through hole 812. The provision of the through hole 812 can avoid obstruction to the movement of the clutch latch 3.

[0032] In addition, a rotation limiting hole 71 is provided on the cover plate 7, and a protrusion 82 is provided on the free sleeve 8. After the free sleeve 8 is set, the protrusion 82 is embedded in the limiting hole 71, and the protrusion 82 can move along the limiting hole 71. The limiting hole 71 can limit the movable range of the protrusion 82.

[0033] A groove 41 is provided on the bottom side of the core shaft 4. When the electric push rod 1 pushes the push block 2 to move linearly, the clutch latch 3 connected to the push block 2 can also move linearly accordingly. As the clutch latch 3 moves linearly, one end of the clutch latch can move in and out of the groove 41.

[0034] The clutch mechanism of this smart lock also includes a sleeve block 9, which is fixedly sleeved on the core shaft 4. The sleeve block 9 is provided with a stop block 91, and the stop block 91 is arranged on the periphery of the free sleeve 8. When the core shaft 4 and the free sleeve 8 can rotate relative to each other, as the core shaft 4 rotates a certain distance in a specific direction, the stop block 91 of the sleeve block 9 can abut against the extension block 81 of the free sleeve 8, and at this time the core shaft 4 and the free sleeve 8 can rotate together.

[0035] The clutch mechanism can be used in the intelligent lock, preferably, the electric push rod 1 is electrically connected with the fingerprint, face or password recognition system, so that the electric push rod 1 can be controlled to work after the user performs the corresponding recognition, and the free sleeve 8 is connected with the lock cylinder, and the lock cylinder can realize the locking and unlocking of the intelligent lock according to the different rotating directions of the free sleeve 8, in the embodiment, preferably, when the handle 5 rotates upwards, the free sleeve 8 rotates together to realize the locking of the intelligent lock, and when the handle 5 rotates downwards, the free sleeve 8 rotates together to realize the unlocking of the intelligent lock.

[0036] In the normal state, the push block 2 on the electric push rod 1 is in the low position, and the clutch bolt 3 is separated from the groove 41, at this time, the clutch bolt 3 only maintains the connection with the free sleeve 8, and the free sleeve 8 and the mandrel 4 can rotate relatively. At this time, when the user rotates the handle 5 downwards, the mandrel 4 can rotate relative to the free sleeve 8, and the free sleeve 8 does not rotate by itself, and the handle 5 is idle, and the intelligent lock maintains the locked state, and when the user rotates the handle 5 upwards, after the handle 5 rotates by a certain angle, the stop block 91 of the sleeve block 9 abuts against the extension block 81 of the free sleeve 8, at this time, the sleeve block 9 and the free sleeve 8 become rotatable together, and the rotation of the mandrel 4 drives the rotation of the sleeve block 9, that is, after the handle 5 rotates upwards by a certain angle, the free sleeve 8 also rotates by a certain angle to realize the locking of the intelligent lock.

[0037] When it is necessary to open the intelligent lock, the user can perform the corresponding recognition to make the electric push rod 1 work, the electric push rod 1 drives the push block 2 to move upwards, one end of the push block 2 is embedded into the groove 41, at this time, the free sleeve 8 and the mandrel 4 are fixedly connected through the push block 2, and the free sleeve 8 and the mandrel 4 become rotatable together, so that when the user rotates the handle 5 downwards, the free sleeve 8 and the mandrel 4 can rotate together with the handle 5 to realize the unlocking of the intelligent lock.

[0038] The above only describes some embodiments of the present application. Those skilled in the art can make some modifications and improvements without departing from the concept of the present application, and these all belong to the protection scope of the present application.

Claims

1. A clutch mechanism for a smart lock, characterized in that: Including electric push rod, push block, clutch pin, spindle, handle and panel, The core shaft is rotatably mounted on the panel, the handle is connected to the core shaft, and the push block is connected to the electric push rod. The push block is provided with an arc-shaped hole, and the clutch latch is provided with a protrusion, and the protrusion is movably provided on the arc-shaped hole along the arc-shaped hole. The core shaft is provided with a groove, and the electric push rod can drive one end of the clutch latch to move in and out of the groove through the push block.

2. The clutch mechanism for a smart lock according to claim 1, characterized in that: The invention comprises a free sleeve which is rotatably sleeved on the core shaft, an extension block is provided on the free sleeve, a guide groove is provided in the extension block, and the clutch latch is provided in the guide groove.

3. The clutch mechanism for a smart lock according to claim 2, characterized in that: A through hole is provided on the side of the guide groove, and the protrusion extends from the through hole.

4. The clutch mechanism for a smart lock according to claim 2, characterized in that: The utility model comprises a sleeve block which is fixedly sleeved on the core shaft and provided with a stop block which is arranged on the periphery of the free sleeve.

5. The clutch mechanism for a smart lock according to claim 2, characterized in that: The utility model comprises a cover plate, wherein the cover plate is connected to the panel, the cover plate and the panel surround an accommodating cavity, and the electric push rod, the push block and the clutch latch are all arranged in the accommodating cavity.

6. The clutch mechanism for a smart lock according to claim 5, characterized in that: The cover plate is provided with a rotation limiting hole, and the free sleeve is provided with a protrusion, which is embedded in the limiting hole.

7. The clutch mechanism for a smart lock according to claim 1, characterized in that: The handle comprises a grip and a rotating shaft, one end of the handle is connected to the rotating shaft, and the rotating shaft is sleeved on the core shaft.

Images