CN114412287A

CN114412287A - Clutch device

Info

Publication number: CN114412287A
Application number: CN202210055378.6A
Authority: CN
Inventors: 李保福; 李启平; 杨绍华; 张永成
Original assignee: Zhuhai Youte IoT Technology Co Ltd
Current assignee: Zhuhai Unitech Power Technology Co Ltd
Priority date: 2022-01-18
Filing date: 2022-01-18
Publication date: 2022-04-29
Anticipated expiration: 2042-01-18
Also published as: CN114412287B

Abstract

The application provides a clutch relates to the tool to lock field. The clutch comprises a connecting piece, an unlocking piece, a mechanical clutch piece, a clutch core and an electronic clutch piece. The mechanical clutch piece is arranged on the unlocking piece. The mechanical clutch has a first position and a second position. The clutch core is rotatably arranged in the unlocking piece. The electronic clutch piece is movably arranged on the unlocking piece. The electronic clutch has a third position and a fourth position. When the electronic clutch member is in the third position and the connecting member is rotated downward from the intermediate position to the depressed position, the unlocking member is rotated from the locked position to the unlocked position, and the clutch core is rotated from the fifth position to the sixth position. The mechanical clutch moves from the first position to the second position when the connecting member is reset from the depressed position to the intermediate position. The mechanical clutch moves from the second position to the first position when the electronic clutch is in the fourth position, the mechanical clutch is in the second position, and the connecting member is rotated from the intermediate position to the advanced position. The clutch may be locked when de-energized.

Description

Clutch device

Technical Field

The application relates to the field of locks, in particular to a clutch.

Background

The existing lock can be set to a mode that the lock is not automatically locked after being unlocked, so that the lock can be conveniently put in and taken out. This mode is commonly referred to as "channel mode" or "normally open mode". In the channel mode, a user presses down the handle, the lock tongue retracts, and the door can be opened. After releasing the handle, the bolt pops out, the door is locked temporarily, but the user presses down on the handle to unlock the door. The locking operation of the lockset is mainly completed by entering a setting interface or pressing a specific key of the lockset, and after the lockset is locked, a user can not unlock the lockset by pressing down a handle until next unlocking operation is carried out.

The existing lock channel mode is realized by arranging an electronic clutch and putting the electronic clutch into a gear engaging state. When the lockset is powered off, the electronic clutch can not be switched from the gear engaging state to the gear disengaging state, so that the lockset can not exit the channel mode and can not be locked.

Disclosure of Invention

An object of the embodiment of the present application is to provide a clutch, which aims to improve the problem that the lock in the related art cannot exit the channel mode when the power is cut off.

The embodiment of the application provides a clutch for a lockset. The clutch comprises a connecting piece, an unlocking piece, a mechanical clutch piece, a clutch core and an electronic clutch piece. The connecting piece is used for being connected with the door handle and has a middle position, a pressing-down position and a lifting-up position. The unlocking member has an unlocking position for unlocking the lock and a locking position for locking the lock. The mechanical clutch piece is movably arranged on the unlocking piece. The mechanical clutch has a first position and a second position, the mechanical clutch for disengaging the connecting member from the unlocking member when the mechanical clutch is in the first position and for engaging the connecting member with the unlocking member when the mechanical clutch is in the second position to cause the connecting member to rotate downwardly from the intermediate position to the depressed position to rotate the unlocking member from the locked position to the unlocked position. The clutch core is rotatably arranged in the unlocking piece. The electronic clutch member is movably disposed at the unlocking member, and has a third position for engaging the connecting member with the unlocking member and a fourth position for disengaging the connecting member from the unlocking member. The electronic clutch is switchable from a third position to a fourth position when the unlocking member is in the unlocked position. When the electronic clutch piece is located at the third position, the mechanical clutch piece is located at the first position, and the connecting piece rotates downwards from the middle position to the pressing-down position, the unlocking piece rotates from the locking position to the unlocking position, and the clutch core is driven to rotate from the fifth position to the sixth position. When the link member is reset from the depressed position to the intermediate position, the unlocking member is reset from the unlocked position to the locked position and rotates relative to the clutch core to move the mechanical clutch member from the first position to the second position. When the electronic clutch is at the fourth position, the mechanical clutch is at the second position and the connecting piece rotates from the middle position to the lifting position, the connecting piece drives the clutch core to relatively open the locking piece and rotate from the sixth position to the fifth position, so that the mechanical clutch moves from the second position to the first position.

In the above technical scheme, the connecting piece is used for being connected with the door handle, and when the door handle is pressed down, the connecting piece rotates downwards from the middle position to the pressing-down position. After the door handle is loosened, the door handle is reset upwards to drive the connecting piece to reset upwards, so that the connecting piece returns to the middle position from the pressing position. When the door handle is lifted up, the link is rotated upward from the intermediate position to the lifted-up position. When the door handle is released, the door handle is reset downwards, the connecting piece is driven to reset downwards, and the connecting piece returns to the middle position from the lifting position.

If the lockset needs to be switched from the locking mode to the channel mode, the electronic clutch piece is positioned at a third position for meshing the connecting piece and the unlocking piece, the door handle is pressed down, the connecting piece rotates downwards from the middle position to the pressing-down position, the connecting piece drives the unlocking piece to rotate from the locking position to the unlocking position through the transmission of the electronic clutch piece, and the clutch core is driven to rotate from the fifth position to the sixth position. Then the door handle is released, the door handle is reset upwards, the connecting piece is reset to the middle position from the pressing position, and the unlocking piece is also reset to the locking position from the unlocking position. In this process, the clutch core and the mechanical clutch rotate relative to each other to drive the mechanical clutch from the first position to the second position. When the mechanical clutch is in the second position, the lock is in the channel mode. When the mechanical clutch is in the second position, the door handle is pressed down, the connecting piece can be driven by the mechanical clutch, and then the unlocking piece is driven to rotate from the locking position to the unlocking position, and whether the electronic clutch is in the third position or not is irrelevant.

If the channel mode needs to be switched to the locking mode, the door handle is lifted only to drive the connecting piece to rotate from the middle position to the lifting position, and meanwhile, the connecting piece drives the clutch core to relatively open the locking piece to rotate from the sixth position to the fifth position, so that the mechanical clutch piece moves from the second position to the first position. At this time, the connector is separated from the unlocking member. When pushing down the handle promptly, the connecting piece can't drive the piece of unblanking and rotate (the electron separation and reunion spare still is in the fourth position this moment), just also can not realize unblanking, and the tool to lock switches to the shutting mode.

This clutch passes through mechanical clutch spare and realizes the passageway mode, and electronic clutch spare plays supplementary unblanking effect, can switch over the tool to lock from the passageway mode to the mode of shutting through lifting up the door handle when the tool to lock outage to realize the shutting of tool to lock, this clutch also makes the tool to lock also can realize shutting when not having the electricity.

As an optional technical scheme of the embodiment of the application, the connecting piece is provided with a first clamping groove. When the mechanical clutch is in the first position, the mechanical clutch disengages the first slot. When the mechanical clutch is in the second position, the mechanical clutch is engaged in the first slot. When the electronic clutch is in the fourth position, the mechanical clutch is in the second position and the connecting piece rotates from the middle position to the pressing-down position, the groove wall of the first clamping groove abuts against the mechanical clutch to drive the mechanical clutch to rotate along with the connecting piece, and the unlocking piece rotates from the locking position to the unlocking position. When the electronic clutch is located at the fourth position, the mechanical clutch is located at the second position, and the connecting piece rotates from the middle position to the lifting position, the mechanical clutch rotates in the first clamping groove relative to the first clamping groove, the unlocking piece is kept at the locking position, the connecting piece drives the clutch core to rotate from the sixth position to the fifth position relative to the unlocking piece, and the mechanical clutch is separated from the first clamping groove and is switched from the second position to the first position.

In the above technical scheme, the first clamping groove is arranged on the connecting piece, and when the mechanical clutch piece is clamped in the first clamping groove, the mechanical clutch piece is in the second position. The mechanical clutch is in the first position when the mechanical clutch is disengaged from the first slot. When mechanical separation and reunion piece was in the second position, the tool to lock was the passageway mode, at this moment, pushes down the door handle, can drive the connecting piece and rotate to pushing down the position from the intermediate position, and the cell wall of first draw-in groove can push away mechanical separation and reunion piece to drive mechanical separation and reunion piece and open the latch fitting and rotate together, and then will open the latch fitting and rotate to the position of unblanking from the shutting position, realize unblanking. When the mechanical clutch part is located at the second position, if the handle is lifted, the mechanical clutch part rotates relative to the first clamping groove in the first clamping groove, the connecting piece drives the clutch core to relatively open the locking piece and rotate from the sixth position to the fifth position, so that the clutch core and the mechanical clutch part relatively rotate, the mechanical clutch part can be separated from the first clamping groove, and the mechanical clutch part is switched to the first position from the second position so as to combine the lock from the channel mode to the locking mode. During this process, the unlocking element does not rotate and the lock remains locked.

As an optional technical scheme of the embodiment of the application, the clutch core is provided with an avoidance notch. When the unlocking piece is reset to the locking position from the unlocking position and rotates relative to the clutch core, the wall surface of the avoiding notch abuts against the mechanical clutch piece so as to drive the mechanical clutch piece to exit the avoiding notch and be clamped into the first clamping groove, and the mechanical clutch piece is moved to the second position from the first position. When the connecting piece drives the clutch core to relatively open the locking piece and rotate from the sixth position to the fifth position, the avoiding notch is opposite to the mechanical clutch piece so as to allow the mechanical clutch piece to be clamped into the avoiding notch and separated from the first clamping groove, and the mechanical clutch piece moves from the second position to the first position.

In the technical scheme, the clutch core is provided with the avoidance notch, when the avoidance notch is opposite to the mechanical clutch piece, the mechanical clutch piece can be clamped into the avoidance notch, and the mechanical clutch piece moves to the first position from the second position. When the clutch core rotates relative to the mechanical clutch piece, the wall surface of the avoiding gap can push the mechanical clutch piece, so that the mechanical clutch piece is separated from the avoiding gap and moves from the first position to the second position.

As an alternative solution to the embodiment of the present application, the clutch comprises a resilient member acting between the unlocking member and the mechanical clutch member. The elastic part is used for accumulating elastic force in the process that the mechanical clutch part moves from the first position to the second position, and the elastic force is used for driving the mechanical clutch part to be clamped into the avoidance notch and separated from the first clamping groove when the avoidance notch is opposite to the mechanical clutch part, so that the mechanical clutch part moves from the second position to the first position.

In above-mentioned technical scheme, through setting up the elastic component, be convenient for drive mechanical clutch spare switches to the first position from the second position, need not electric power, reliable and stable.

As an optional technical scheme of this application embodiment, the latch member epirelief is equipped with first arch, has seted up the second draw-in groove on the separation and reunion core, and first arch holds in the second draw-in groove. When the electronic clutch piece is located at the third position, the mechanical clutch piece is located at the first position, and the connecting piece rotates downwards from the middle position to the pressing-down position, the first bulge abuts against the groove wall of the second clamping groove to drive the clutch core to rotate along with the unlocking piece, so that the clutch core rotates from the fifth position to the sixth position. When the connecting piece is reset to the middle position from the pressing position, the first protrusion rotates in the second clamping groove, the clutch core is kept at the sixth position, so that the mechanical clutch piece and the clutch core rotate relatively, and the mechanical clutch piece is moved to the second position from the first position.

In the technical scheme, the first bulge is arranged on the unlocking piece, the second clamping groove is formed in the clutch core, so that the door handle is pressed down when the locking mode is switched to the channel mode, the first bulge can abut against the groove wall of the second clamping groove when the unlocking piece rotates to the unlocking position from the locking position, and the clutch core is driven to rotate along with the unlocking piece. And in the reset process of the door handle, the first bulge rotates in the second clamping groove, so that the unlocking piece does not drive the clutch core to rotate any more, namely the unlocking piece and the clutch core rotate relatively, and the mechanical clutch piece is driven to the second position from the first position.

As an optional technical scheme of the embodiment of the application, a second protrusion is arranged on the connecting piece in a protruding mode, a third clamping groove is formed in the clutch core, and the second protrusion is contained in the third clamping groove. When the electronic clutch piece is in the fourth position, the mechanical clutch piece is in the second position, and in the process that the connecting piece rotates from the middle position to the pressing-down position, the second protrusion rotates in the third clamping groove, the clutch core is kept at the sixth position, and the connecting piece drives the unlocking piece to rotate from the locking position to the unlocking position through the mechanical clutch piece. When the electronic clutch piece is located at the fourth position, the mechanical clutch piece is located at the second position, and the connecting piece rotates from the middle position to the lifting position, the second bulge abuts against the groove wall of the third clamping groove to drive the clutch core to rotate along with the connecting piece, so that the clutch core rotates from the sixth position to the fifth position.

In the technical scheme, the second protrusion is arranged on the connecting piece, the third clamping groove is arranged on the clutch core, and the second protrusion is accommodated in the third clamping groove. When the lockset is in a channel mode, the door handle is pressed down, the second bulge rotates in the third clamping groove, and the connecting piece drives the unlocking piece to rotate from the locking position to the unlocking position through the mechanical clutch piece. The second protrusion and the third clamping groove do not influence the position of the clutch core. When the door handle is lifted, the second protrusion abuts against the groove wall of the third clamping groove to drive the clutch core to rotate along with the connecting piece, so that the clutch core rotates from the sixth position to the fifth position, the mechanical clutch piece moves from the second position to the first position, and the lock is switched from the channel mode to the locking mode.

As an optional technical scheme of the embodiment of the application, the clutch comprises two connecting pieces, wherein one connecting piece is used for being connected with the outer door handle, and the other connecting piece is used for being connected with the inner door handle. The unlocking piece is arranged between the two connecting pieces. The clutch core is arranged in the unlocking piece and the two connecting pieces in a penetrating way.

In the technical scheme, by arranging the two connecting pieces, one connecting piece can be conveniently connected with the inner handle of the door, and the other connecting piece can be conveniently connected with the outer handle of the door. The clutch core penetrates through the unlocking piece and the two connecting pieces so as to improve the structural stability between the clutch core and the unlocking piece and between the clutch core and the connecting pieces.

As an optional technical scheme of the embodiment of the application, the clutch comprises a damping mechanism, and the damping mechanism is connected to the clutch core. The damping mechanism is used for increasing the damping between one connecting piece and the clutch core when the other connecting piece rotates relative to the clutch core.

In the technical scheme, by arranging the damping mechanism, when one connecting piece rotates relative to the clutch core, the damping of the other connecting piece and the clutch core is increased, so that the stable positioning of the clutch core can be kept, the position of the clutch core is not easy to change due to the rotation of the connecting piece, the possibility of position error change of the clutch core is reduced, and the stability of the lockset can be improved.

As an optional technical scheme of the embodiment of the application, the damping mechanism comprises a positioning pin, and the positioning pin penetrates through the clutch core. The connecting piece is provided with a first positioning groove and a second positioning groove at intervals, and one end part of the positioning pin is matched with the first positioning groove or the second positioning groove of one connecting piece. The other end of the positioning pin is matched with the first positioning groove or the second positioning groove of the other connecting piece. When one of the link members rotates relative to the clutch core, the end portion of the positioning pin corresponding to the one link member switches between the first positioning groove and the second positioning groove of the one link member.

In the technical scheme, when one connecting piece rotates relative to the clutch core, the end part of the positioning pin corresponding to the connecting piece is switched between the first positioning groove and the second positioning groove of the connecting piece, and the other end part of the positioning pin is pressed on the other connecting piece in the switching process, so that the damping between the clutch core and the other connecting piece is increased.

As an optional technical scheme of the embodiment of the application, the positioning pin forms an inclined surface fit with the first positioning groove and/or the second positioning groove.

In above-mentioned technical scheme, through adopting the inclined plane cooperation, guarantee that the locating pin can switch between first constant head tank and second constant head tank, be unlikely to the damping too big and lead to the locating pin can not switch between first constant head tank and second constant head tank.

As an optional technical scheme of this application embodiment, the clutch includes the driving medium, and the driving medium is used for connecting in the connecting piece and the unlocking piece of being connected with the door inner handle. When the connecting piece connected with the inner handle of the door rotates to the pressing position from the middle position, the transmission piece drives the unlocking piece to be switched to the unlocking position from the locking position. The unlocking member is held in the locked position when the link member connected to the inside handle of the door is rotated from the intermediate position to the raised position.

In above-mentioned technical scheme, through setting up the driving medium for when pushing down the door inner handle, the driving medium can drive the unlocking piece all the time and rotate to the position of unblanking from the shutting position, also to door inner handle, whenever all can be unblanked with following pressure door handle. When the inner handle of the lifting door is lifted, the transmission piece can not transmit the power of the connecting piece, so that the unlocking piece is kept at the locking position, the clutch core can rotate relative to the mechanical clutch piece, and the mechanical clutch piece moves from the second position to the first position.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.

FIG. 1 is a schematic structural diagram of a clutch provided in an embodiment of the present application;

FIG. 2 is a schematic illustration of the connection of the connecting member (hidden portion), the clutch core and the unlocking member in a first position of the mechanical clutch according to the exemplary embodiment of the present application;

FIG. 3 is a schematic illustration of the connection of the connecting member (hidden portion), the clutch core and the unlocking member in a second position of the mechanical clutch according to the exemplary embodiment of the present application;

FIG. 4 is a cross-sectional view of the clutch with the mechanical clutch member in a second position (with the avoidance gap opposite the mechanical clutch member) according to an embodiment of the present application;

FIG. 5 is a schematic structural diagram of a connector provided in an embodiment of the present application;

FIG. 6 is a schematic view of a clutch core and an unlocking member according to an embodiment of the present application;

FIG. 7 is a cross-sectional view of a mid-portion of a clutch provided in accordance with an embodiment of the present application;

FIG. 8 is a schematic structural diagram of a clutch core according to an embodiment of the present disclosure;

FIG. 9 is a schematic structural diagram of a clutch core according to an embodiment of the present disclosure from a second perspective;

fig. 10 is a schematic connection diagram of a clutch core and a connecting member according to an embodiment of the present application.

Icon: 10-a clutch; 100-a connector; 110-a first card slot; 111-a first protrusion; 112-a second projection; 113-a second protrusion; 114-a through hole; 115-a first detent; 116-a second detent; 120-a holding protrusion; 200-unlocking the piece; 210-a first protrusion; 220-a second plug hole; 300-a mechanical clutch; 310-a projection; 320-an elastic member; 400-clutch core; 410-avoiding the notch; 420-a second card slot; 430-a third card slot; 440-a first mating hole; 500-an electronic clutch; 600-a damping mechanism; 700-transmission piece.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the embodiments of the present application, it is to be understood that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like, refer to the orientation or positional relationship as shown in the drawings, or as conventionally placed in use of the product of the application, or as conventionally understood by those skilled in the art, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore should not be considered as limiting the present application.

Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

In the description of the embodiments of the present application, it should also be noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

Examples

Referring to fig. 1, the present embodiment provides a clutch 10 for a lock. The clutch 10 includes a connecting member 100, an unlocking member 200, a mechanical clutch member 300, a clutch core 400, and an electronic clutch member 500. The connector 100 is for connection to a door handle, the connector 100 having a neutral position, a depressed position and an elevated position. The unlocking member 200 has an unlocking position for unlocking the lock and a locking position for locking the lock. The mechanical clutch 300 is movably disposed to the unlocking member 200. The mechanical clutch 300 has a first position and a second position, the mechanical clutch 300 for disengaging the connecting member 100 from the unlocking member 200 when the mechanical clutch 300 is in the first position and for engaging the connecting member 100 with the unlocking member 200 when the mechanical clutch 300 is in the second position to cause the connecting member 100 to rotate from the locked position to the unlocked position when the connecting member 100 is rotated downwardly from the intermediate position to the depressed position. The clutch core 400 is rotatably provided in the unlocking member 200. The electronic clutch 500 is movably provided to the unlocking member 200, and the electronic clutch 500 has a third position for engaging the connecting member 100 with the unlocking member 200 and a fourth position for disengaging the connecting member 100 from the unlocking member 200. The electronic clutch 500 can be switched from the third position to the fourth position when the unlocking member 200 is in the unlocking position. When the electronic clutch 500 is at the third position, the mechanical clutch 300 is at the first position and the connection member 100 is rotated downward from the intermediate position to the pressed-down position, the unlocking member 200 is rotated from the locking position to the unlocking position and drives the clutch core 400 to rotate from the fifth position to the sixth position. When the link 100 is reset from the depressed position to the intermediate position, the unlocking member 200 is reset from the unlocked position to the locked position and rotates relative to the clutch core 400 to move the mechanical clutch member 300 from the first position to the second position. When the electronic clutch 500 is in the fourth position, the mechanical clutch 300 is in the second position, and the connecting member 100 is rotated from the intermediate position to the up-position, the connecting member 100 drives the clutch core 400 to rotate from the sixth position to the fifth position relative to the unlocking member 200, so that the mechanical clutch 300 is moved from the second position to the first position.

The coupling member 100 of the clutch 10 is used to couple with a door handle, and when the door handle is depressed, the coupling member 100 is rotated downward from a neutral position to a depressed position. When the door handle is released, the door handle returns upward, which causes the connecting member 100 to return upward, so that the connecting member 100 returns to the neutral position from the depressed position. When the door handle is lifted up, the link 100 is rotated upward from the neutral position to the lifted-up position. When the door handle is released, the door handle is returned downward, which causes the link 100 to return downward, so that the link 100 returns to the neutral position from the lifted position.

If the lockset needs to be switched from the locking mode to the channel mode, the electronic clutch 500 is in a third position for engaging the connecting piece 100 and the unlocking piece 200, the door handle is pressed down, the connecting piece 100 rotates downwards from the middle position to the pressing-down position, the connecting piece 100 drives the unlocking piece 200 to rotate from the locking position to the unlocking position through the transmission of the electronic clutch 500, and the clutch core 400 is driven to rotate from the fifth position to the sixth position. Then, the door handle is released, the door handle is returned upward, the link 100 is returned from the depressed position to the intermediate position, and the unlocking member 200 is also returned from the unlocked position to the locked position. In this process, the clutch core 400 rotates relative to the mechanical clutch 300, driving the mechanical clutch 300 from the first position to the second position. When the mechanical clutch 300 is in the second position, the lock is in the channel mode. When the mechanical clutch 300 is at the second position, the door handle is pressed down, and the connecting member 100 can be driven by the mechanical clutch 300, so as to drive the unlocking member 200 to rotate from the locking position to the unlocking position, regardless of whether the electronic clutch 500 is at the third position.

If the channel mode needs to be switched to the locking mode, the door handle is lifted up to drive the connecting member 100 to rotate from the middle position to the lifting position, and simultaneously, the connecting member 100 drives the clutch core 400 to rotate from the sixth position to the fifth position relative to the unlocking member 200, so that the mechanical clutch member 300 moves from the second position to the first position. At this time, the connector 100 is separated from the unlocking member 200. That is, when the handle is pressed down, the connecting member 100 cannot drive the unlocking member 200 to rotate (at this time, the electronic clutch member 500 is still at the fourth position), so that unlocking cannot be realized, and the lock is switched to the locking mode.

The clutch 10 realizes a channel mode through the mechanical clutch 300, the electronic clutch 500 plays a role in assisting unlocking, and when the lockset is powered off, the door lifting handle can be used for switching the lockset from the channel mode to a locking mode so as to realize locking of the lockset, namely the clutch 10 enables the lockset to realize locking even when the lockset is not powered on.

Referring to fig. 2 in combination with fig. 3, in some embodiments, the electric clutch 500 is movably disposed on the unlocking member 200 in a radial direction of the clutch core 400. The electronic clutch 500 is controlled by the electronic control module, and when the electronic control module verifies that the unlocking information is correct, the electronic clutch 500 is driven to move from the fourth position to the third position. In both fig. 2 and 3, the electronic clutch 500 is in the third position. If it is required to switch the electronic clutch member 500 to the fourth position, the electronic control module is required to control the electronic clutch member 500 to be away from the clutch core 400 in the radial direction of the clutch core 400.

Optionally, the connecting member 100 is provided with a first protrusion 111 protruding thereon, and when the electronic clutch 500 is at the third position, the electronic clutch 500 is located on the moving path of the first protrusion 111. When the connecting member 100 is rotated from the intermediate position to the depressed position, the first protrusion 111 rotates clockwise with the connecting member 100 to abut against the electric clutch member 500 and pushes the electric clutch member 500 to rotate together with the unlocking member 200 to drive the unlocking member 200 from the locked position to the unlocked position. When the unlocking member 200 is rotated from the locked position to the unlocked position, the lock is unlocked, at which time the electronic clutch 500 is moved from the third position to the fourth position.

Since the connecting member 100 is connected to the door handle, the door handle is automatically reset, and the door handle is reset, and simultaneously, the connecting member 100 is also driven to reset from the pressing position to the middle position, or the connecting member 100 is driven to reset from the lifting position to the middle position. For the unlocking member 200, a reset member is connected to the unlocking member 200, and the reset member accumulates elastic force in the process of rotating the unlocking member 200 from the locking position to the unlocking position, and the elastic force is released when the connecting member 100 is reset from the pressing position to the intermediate position, so as to drive the unlocking member 200 to be reset from the unlocking position to the locking position.

In some embodiments, the connecting member 100 is provided with a through hole 114, and one end of the clutch core 400 is fitted into the through hole 114, so that the clutch core 400 is rotatably connected to the unlocking member 200 and the connecting member 100 at the same time, thereby enhancing the structural stability.

Referring to fig. 2, with reference to fig. 3 and 4, in some embodiments, the connecting member 100 has a first engaging groove 110. When the mechanical clutch 300 is in the first position, the mechanical clutch 300 is disengaged from the first card slot 110. When the mechanical clutch 300 is in the second position, the mechanical clutch 300 is engaged in the first card slot 110. When the electronic clutch 500 is at the fourth position, the mechanical clutch 300 is at the second position, and the connection member 100 rotates from the middle position to the pressing-down position, the groove wall of the first engaging groove 110 abuts against the mechanical clutch 300 to drive the mechanical clutch 300 to rotate with the connection member 100, so as to rotate the unlocking member 200 from the locking position to the unlocking position. In the process that the electronic clutch 500 is at the fourth position, the mechanical clutch 300 is at the second position and the connecting member 100 rotates from the middle position to the lifting position, the mechanical clutch 300 rotates in the first engaging groove 110 relative to the first engaging groove 110, the unlocking member 200 is kept at the locking position, the connecting member 100 drives the clutch core 400 to rotate from the sixth position to the fifth position relative to the unlocking member 200, and the mechanical clutch 300 is disengaged from the first engaging groove 110 and is switched from the second position to the first position.

By providing the first engaging groove 110 on the connecting member 100, the mechanical clutch 300 is in the second position when the mechanical clutch 300 is engaged with the first engaging groove 110. When the mechanical clutch 300 is disengaged from the first card slot 110, the mechanical clutch 300 is in the first position. When mechanical clutch 300 is in the second position, the tool to lock is the passageway mode, and at this moment, pushing down the door handle can drive connecting piece 100 and rotate to the position of pushing down from the intermediate position, and the cell wall of first draw-in groove 110 can push away mechanical clutch 300 to drive mechanical clutch 300 and release member 200 and rotate together, and then will release member 200 and rotate to the position of unblanking from the shutting position, realize unblanking. When the mechanical clutch 300 is in the second position, if the handle is lifted, the mechanical clutch 300 rotates in the first engaging groove 110 relative to the first engaging groove 110, the connecting member 100 drives the clutch core 400 to rotate from the sixth position to the fifth position relative to the unlocking member 200, so that the clutch core 400 and the mechanical clutch 300 rotate relative to each other, the mechanical clutch 300 can be disengaged from the first engaging groove 110, and the mechanical clutch 300 is switched from the second position to the first position to couple the lock from the channel mode to the locking mode. During this process, the unlocking member 200 does not rotate and the lock remains locked.

Optionally, referring to fig. 5, a second protrusion 112 is further protruded from a side of the connecting member 100 facing the unlocking member 200, the second protrusion 112 and the first protrusion 111 are spaced apart from each other, and the first engaging groove 110 is formed between a right end surface of the second protrusion 112 and a right end surface of the first protrusion 111. In some embodiments, the second protrusion 112 and the first protrusion 111 are both fan-shaped protrusions, and the distance from the second protrusion 112 to the rotation axis of the connector 100 is equal to the distance from the first protrusion 111 to the rotation axis of the connector 100.

The mechanical clutch member 300 is movably provided to the unlocking member 200 in a radial direction of the clutch core 400. Alternatively, the mechanical clutch member 300 includes a body portion movably disposed to the unlocking member 200 in a radial direction of the clutch core 400, and a protrusion portion 310 connected to an end of the body portion away from the unlocking member 200 and protruding toward the connection member 100. When the mechanical clutch 300 is in the first position, the protrusion 310 is located outside the first engaging groove 110, and the protrusion 310 is offset from the second protrusion 112 and the first protrusion 111. In other words, the movement path of the projection 310 does not coincide with the movement paths of the second projection 112 and the first projection 111. The body portion is located above or below the second protrusion 112 and the first protrusion 111 to avoid the second protrusion 112 or the first protrusion 111. When the mechanical clutch 300 is in the second position, the projection 310 is positioned within the first card slot 110. The protrusion 310 is aligned with the second protrusion 112 and the first protrusion 111. Or the movement path of the projection 310 can partially coincide with the movement path of the second protrusion 112 or the first protrusion 111.

When the protrusion 310 is engaged with the first engaging groove 110, the mechanical clutch 300 is in the second position. When the protrusion 310 is disengaged from the first card slot 110, the mechanical clutch 300 is in the first position. When the mechanical clutch 300 is at the second position, the door handle is pressed down, and the connecting member 100 is driven to rotate from the middle position to the pressing position, and the end wall of the second protrusion 112 (the right end wall of the second protrusion 112) pushes the protrusion 310, so as to drive the mechanical clutch 300 and the unlocking member 200 to rotate together, and further rotate the unlocking member 200 from the locking position to the unlocking position, thereby realizing unlocking. When the mechanical clutch 300 is in the second position, if the handle is lifted, the protrusion 310 rotates in the first engaging groove 110 toward the first protrusion 111, the connecting member 100 drives the clutch core 400 to rotate from the sixth position to the fifth position relative to the unlocking member 200, so that the clutch core 400 and the mechanical clutch 300 rotate relative to each other, the mechanical clutch 300 can be disengaged from the first engaging groove 110, and the mechanical clutch 300 is switched from the second position to the first position to couple the lock from the channel mode to the locking mode.

In the above embodiment, the first engaging groove 110 is defined by the second protrusion 112 and the first protrusion 111 protruding from the connecting member 100. In other embodiments, the first slot 110 is directly opened on the surface of the connector 100 facing the unlocking member 200.

Referring to fig. 2 and 3 in conjunction with fig. 6, in some embodiments, the clutch core 400 has an escape notch 410. When the unlocking member 200 is reset from the unlocking position to the locking position and rotates relative to the clutch core 400, the wall surface of the escape notch 410 abuts against the mechanical clutch member 300 to drive the mechanical clutch member 300 to exit the escape notch 410 and to be clamped into the first clamping groove 110, so that the mechanical clutch member 300 is moved from the first position to the second position. When the connecting member 100 drives the clutch core 400 to rotate from the sixth position to the fifth position relative to the unlocking member 200, the escape notch 410 is opposite to the mechanical clutch member 300 to allow the mechanical clutch member 300 to be caught in the escape notch 410 and disengaged from the first engaging groove 110, so that the mechanical clutch member 300 moves from the second position to the first position. By providing the avoidance gap 410 on the clutch core 400, when the avoidance gap 410 is opposite to the mechanical clutch 300, the mechanical clutch 300 can be clamped into the avoidance gap 410 and move from the second position to the first position. When the clutch core 400 rotates relative to the mechanical clutch 300, the wall surface of the avoiding notch 410 can push the mechanical clutch 300, so that the mechanical clutch 300 is separated from the avoiding notch 410 and moves from the first position to the second position.

In order to facilitate the mechanical clutch member 300 to be disengaged from the avoidance notch 410, one end of the protrusion 310 close to the clutch core 400 is made into a curved surface, and two side groove walls of the avoidance notch 410 are made into inclined surfaces or curved surfaces, so that the protrusion 310 can be in inclined surface fit with the avoidance notch 410.

Referring to fig. 7, in some embodiments, the clutch 10 includes a resilient member 320, and the resilient member 320 acts between the unlocking member 200 and the mechanical clutch member 300. The elastic member 320 is configured to accumulate an elastic force during movement of the mechanical clutch 300 from the first position to the second position, and the elastic force is configured to drive the mechanical clutch 300 to be engaged into the avoidance notch 410 and disengaged from the first engagement groove 110 when the avoidance notch 410 is opposite to the mechanical clutch 300, so as to move the mechanical clutch 300 from the second position to the first position.

In some embodiments, the elastic member 320 is a spring, the spring is sleeved on the body, one end of the spring abuts against the protrusion 310, and the other end of the spring abuts against the unlocking element 200. In other embodiments, the resilient member 320 is made of rubber. The elastic member 320 is interposed between the body portion and the unlocking member 200.

In other embodiments, the clutch 10 includes magnets disposed on the wall of the bypass notch 410 of the clutch core 400. The mechanical clutch 300 is made of a magnetically permeable material, such as iron, to enable the mechanical clutch 300 to be attracted by a magnet. The magnet is configured to attract the mechanical clutch 300 to be jammed into the bypass notch 410 and disengaged from the first card slot 110 when the bypass notch 410 is opposite to the mechanical clutch 300, such that the mechanical clutch 300 moves from the second position to the first position.

Referring to fig. 7, with reference to fig. 8 and 9, in some embodiments, the unlocking element 200 is provided with a first protrusion 210 protruding therefrom, the clutch core 400 is provided with a second engaging groove 420, and the first protrusion 210 is received in the second engaging groove 420. When the electronic clutch 500 is at the third position, the mechanical clutch 300 is at the first position and the connection member 100 is rotated downward from the middle position to the pressed-down position, the first protrusion 210 abuts against the wall of the second engaging groove 420 to drive the clutch core 400 to rotate with the unlocking member 200, so as to rotate the clutch core 400 from the fifth position to the sixth position. When the link 100 is reset from the depressed position to the intermediate position, the first protrusion 210 rotates within the second catch groove 420, and the clutch core 400 is maintained at the sixth position, so that the mechanical clutch 300 and the clutch core 400 rotate relative to each other to move the mechanical clutch 300 from the first position to the second position.

Through set up first arch 210 on unlocking piece 200, set up second draw-in groove 420 on separation and reunion core 400 for when switching over from the locking mode to the passageway mode, push down the door handle, the first arch 210 can support and hold in the cell wall of second draw-in groove 420 in the in-process that unlocking piece 200 rotated from the locking position to the unlocking position, in order to drive separation and reunion core 400 and rotate along with unlocking piece 200. And during the reset process of the door handle, the first protrusion 210 rotates in the second slot 420, so that the unlocking element 200 no longer drives the clutch core 400 to rotate, i.e. the unlocking element 200 and the clutch core 400 rotate relatively, to drive the mechanical clutch 300 from the first position to the second position.

Optionally, the locking piece 200 has a through hole for passing the clutch core 400, and the clutch core 400 is disposed in the through hole and can rotate relative to the locking piece 200 in the through hole to switch between the fifth position and the sixth position. The first protrusions 210 protrude from the inner wall of the through hole in the radial direction of the clutch core 400. The second engaging groove 420 is opened on the outer circumferential surface of the clutch core 400, and the first protrusion 210 is received in the second engaging groove 420. The length of the second catching groove 420 along the circumferential direction of the clutch core 400 is greater than the width of the first protrusion 210 so that the first protrusion 210 can move within the second catching groove 420. And, the length of the second catching groove 420 in the axial direction of the clutch core 400 is equal to the length of the first protrusion 210 in the axial direction of the clutch core 400, and the first protrusion 210 is fitted to the second catching groove 420 to restrict the clutch core 400 from moving in the axial direction thereof with respect to the unlocking member 200.

Referring to fig. 7, when the lockset is switched from the locking mode to the channel mode, the door handle is pressed down, and the first protrusion 210 can abut against the left sidewall of the second engaging groove 420 in the process that the unlocking piece 200 rotates from the locking position to the unlocking position, so as to drive the clutch core 400 to rotate clockwise along with the unlocking piece 200. And during the reset process of the door handle, the first protrusion 210 rotates counterclockwise in the second slot 420, so that the unlocking element 200 no longer drives the clutch core 400 to rotate, i.e. the unlocking element 200 rotates relative to the clutch core 400, to drive the mechanical clutch 300 from the first position to the second position.

In some embodiments, the connecting member 100 is provided with a second protrusion 113, the clutch core 400 is provided with a third slot 430, and the second protrusion 113 is received in the third slot 430. In the fourth position of the electric clutch 500, the mechanical clutch 300 is in the second position, and during the rotation of the link 100 from the intermediate position to the depressed position, the second protrusions 113 rotate in the third catching grooves 430, the clutch core 400 is held in the sixth position, and the link 100 drives the unlocking member 200 to rotate from the locked position to the unlocked position by the mechanical clutch 300. When the electronic clutch 500 is at the fourth position, the mechanical clutch 300 is at the second position, and the connection member 100 rotates from the middle position to the lifting position, the second protrusion 113 abuts against the groove wall of the third engaging groove 430 to drive the clutch core 400 to rotate with the connection member 100, so as to rotate the clutch core 400 from the sixth position to the fifth position.

By providing the second protrusion 113 on the coupling member 100, the third catching groove 430 is provided on the clutch core 400, and the second protrusion 113 is received in the third catching groove 430. When the door lock is in the passage mode, the door handle is pressed, the second protrusion 113 rotates in the third groove 430, and the connecting member 100 drives the unlocking member 200 to rotate from the locking position to the unlocking position through the mechanical clutch member 300. The second protrusions 113 and the third catching grooves 430 do not affect the position of the clutch core 400. When the door handle is lifted, the second protrusion 113 abuts against the groove wall of the third engaging groove 430 to drive the clutch core 400 to rotate along with the connecting member 100, so as to rotate the clutch core 400 from the sixth position to the fifth position, so that the mechanical clutch member 300 moves from the second position to the first position, and the lock is switched from the channel mode to the locking mode.

Alternatively, the second protrusion 113 is protruded on the surface of the connection member 100 near the clutch core 400 or the unlocking member 200. The distance from the second projection 113 to the rotational axis of the link 100 is smaller than the distance from the second projection 112 to the rotational axis of the link 100. The second protrusion 113 is a fan-shaped protrusion to be matched with the third slot 430. The third catching groove 430 is opened at the top of the clutch core 400. The second protrusion 113 is received in the third receiving groove 430. The length of the third catching groove 430 along the circumferential direction of the clutch core 400 is greater than the width of the second protrusion 113 so that the second protrusion 113 can move within the third catching groove 430.

Referring to fig. 2 again, referring to fig. 3, if the lock needs to be switched from the locking mode to the channel mode, the electronic clutch 500 is located at the third position for locking the connecting member 100 and the unlocking member 200, and the door handle is pressed down, so that the connecting member 100 rotates downward from the middle position to the pressed-down position, the connecting member 100 drives the unlocking member 200 to rotate from the locking position to the unlocking position through the transmission of the electronic clutch 500, and the first protrusion 210 abuts against the second engaging groove 420 to drive the clutch core 400 to rotate from the fifth position to the sixth position. In this process, the second protrusion 113 rotates counterclockwise relative to the third card slot 430 from the middle position of the third card slot 430 to be fitted with the side wall of the third card slot 430. Then, the door handle is released, the door handle is returned upward, the link 100 is returned from the depressed position to the intermediate position, and the unlocking member 200 is also returned from the unlocked position to the locked position. The mechanical clutch 300 is driven to move from the first position to the second position due to the relative rotation of the clutch core 400 and the mechanical clutch 300.

If the channel mode needs to be switched to the locking mode, the door handle is lifted up to drive the connecting member 100 to rotate from the middle position to the lifting position, and at this time, the second protrusion 113 abuts against the sidewall of the third engaging groove 430, so as to drive the clutch core 400 to rotate counterclockwise from the sixth position to the fifth position relative to the unlocking member 200, and thus the mechanical clutch member 300 moves from the second position to the first position.

Referring to fig. 10, in some embodiments, the clutch 10 includes two connecting members 100, wherein one connecting member 100 is used for connecting with the door outer handle and the other connecting member 100 is used for connecting with the door inner handle. The unlocking member 200 is disposed between the two connection members 100. The clutch core 400 is inserted through the unlocking member 200 and the two connecting members 100. By providing two connecting members 100, it is convenient for one connecting member 100 to be connected to the inner door handle and the other connecting member 100 to be connected to the outer door handle. The clutch core 400 is inserted into the unlocking member 200 and the two connecting members 100 to improve the structural stability between the clutch core 400 and the unlocking member 200 and the connecting members 100.

In some embodiments, the clutch 10 includes a damping mechanism 600, the damping mechanism 600 being coupled to the clutch core 400. The damping mechanism 600 serves to increase damping between one of the links 100 and the clutch core 400 when the other link 100 rotates relative to the clutch core 400. By arranging the damping mechanism 600, when one connecting piece 100 rotates relative to the clutch core 400, the damping of the other connecting piece 100 and the clutch core 400 is increased, so that the positioning stability of the clutch core 400 can be kept, the position of the clutch core 400 is not easy to change due to the rotation of the connecting piece 100, the possibility of position error change of the clutch core 400 is reduced, and the stability of the lockset can be improved.

Optionally, the damping mechanism 600 includes a positioning pin, and the positioning pin is inserted into the clutch core 400. Specifically, the clutch core 400 is provided with a first insertion hole 440, and the positioning pin is inserted into the clutch core 400 through the first insertion hole 440. The connecting member 100 is provided with a first positioning groove 115 and a second positioning groove 116 at intervals, and one end of the positioning pin is engaged with the first positioning groove 115 or the second positioning groove 116 of one connecting member 100. The other end of the aligning pin is engaged with the first aligning groove 115 or the second aligning groove 116 of the other link 100. When one of the link members 100 is rotated with respect to the clutch core 400, the end portions of the positioning pins corresponding to the one link member 100 are switched between the first and

second positioning grooves

115 and 116 of the one link member 100.

For example, one end of the positioning pin is engaged with the connector 100 connected to the outside door handle through the corresponding first positioning groove 115, and the other end of the positioning pin is engaged with the connector 100 connected to the inside door handle through the corresponding first positioning groove 115. When the lockset is switched to a channel mode in a locking mode, the door outer handle is pressed down, the connecting piece 100 connected with the door outer handle can drive the unlocking piece 200 to rotate from a locking position to an unlocking position, and the clutch core 400 is driven to rotate from a fifth position to a sixth position, the clutch core 400 and the connecting piece 100 connected with the door outer handle are relatively static in the process, the connecting piece 100 connected with the door inner handle rotates relatively, and the end part of the positioning pin corresponding to the connecting piece 100 connected with the door inner handle can be switched to the second positioning groove 116 from the first positioning groove 115. When the unlocking member 200 is reset from the unlocking position to the locking position, the clutch core 400 does not act, the connecting member 100 connected with the inside handle and the clutch core 400 are relatively stationary, the connecting member 100 connected with the outside handle and the clutch core 400 rotate relatively, and the end of the positioning pin corresponding to the connecting member 100 connected with the outside handle is switched from the first positioning groove 115 to the second positioning groove 116.

In the process of switching one end of the positioning pin from the first positioning groove 115 to the second positioning groove 116 or from the second positioning groove 116 to the first positioning groove 115, the other end of the positioning pin is pressed on the other connecting piece 100, so that the damping between the clutch core 400 and the other connecting piece 100 is increased, the possibility of position error of the clutch core 400 is reduced, and the stability of the lock can be improved.

In some embodiments, the detent pin forms a ramped fit with the first detent 115 and/or the second detent 116. By adopting the inclined plane matching, the positioning pin can be switched between the first positioning groove 115 and the second positioning groove 116, and the situation that the positioning pin cannot be switched between the first positioning groove 115 and the second positioning groove 116 due to too large damping is avoided.

Alternatively, the end of the positioning pin is spherical, and the first positioning groove 115 and the second positioning groove 116 are spherical grooves.

In some embodiments, the clutch 10 includes a transmission member 700, and the transmission member 700 is used to connect the connecting member 100 connected to the door inside handle and the unlocking member 200. When the link 100 connected to the inside handle of the door is rotated from the intermediate position to the pressed-down position, the driving member 700 drives the unlocking member 200 to be switched from the locking position to the unlocking position. The unlocking member 200 is maintained in the locking position when the connecting member 100 connected to the inside handle of the door is rotated from the intermediate position to the up-lifting position.

Optionally, the outer circumferential surface of the connecting member 100 is convexly provided with a supporting protrusion 120, and both sides of the unlocking and locking member 200 along the axial direction of the clutch core 400 are provided with second insertion holes 220. The driving member 700 is inserted into the second insertion hole 220 of the connecting member 100 adjacent to the door inner handle, and partially protrudes out of the second insertion hole 220. The part of the transmission member 700 extending out of the second inserting hole 220 is used for abutting against the abutting protrusion 120. Set up like this, can be according to the particular case of on-the-spot installation tool to lock, select to insert driving medium 700 and locate in which second spliced eye 220 for the tool to lock installation is more nimble.

When the inner door handle is pressed down, the connecting member 100 connected to the inner door handle is rotated from the intermediate position to the pressing-down position, and the abutting protrusion 120 is rotated clockwise to abut against the transmission member 700, so as to drive the transmission member 700 to rotate along with the connecting member 100. Since the transmission member 700 is inserted into the unlocking member 200 through the second insertion hole 220, the transmission member 700 can drive the unlocking member 200 to rotate from the locking position to the unlocking position.

When the inner door handle is lifted up, the connecting member 100 connected to the inner door handle is rotated from the middle position to the lifted position, the holding protrusion 120 rotates counterclockwise and is no longer held by the transmission member 700, and the transmission member 700 cannot rotate with the connecting member 100, so that the unlocking member 200 is maintained at the locked position.

Through setting up driving medium 700 for when pushing down the interior handle of door, driving medium 700 can drive unlocking piece 200 all the time and rotate to the position of unblanking from the shutting position, also to the interior handle of door, whenever all can be unblanked with following pressure handle of door. When the inner handle of the door is lifted, the transmission member 700 cannot transmit the power of the connection member 100, so that the unlocking member 200 is maintained at the locking position, and thus the clutch core 400 is rotated with respect to the mechanical clutch member 300, so that the mechanical clutch member 300 is moved from the second position to the first position.

The present embodiment provides a clutch 10 that operates as follows:

when the lock is in the locking mode, the mechanical clutch 300 is in the first position, i.e. the mechanical clutch 300 is engaged with the escape notch 410 of the clutch core 400. The electronic clutch 500 is in the fourth position. When the lock is unlocked, the electronic module verifies whether the unlocking information is correct, if so, the electronic module drives the electronic clutch piece 500 to move from the fourth position to the third position along the radial direction of the clutch core 400 to engage the connecting piece 100 with the unlocking piece 200, the positions of the mechanical clutch piece 300 and the electronic clutch piece 500 reach the positions shown in fig. 2, the door handle is pressed downwards to enable the connecting piece 100 to rotate clockwise from the middle position to the pressing-down position, the first convex part 111 abuts against the electronic connecting piece 100 to perform transmission, and the connecting piece 100 can drive the unlocking piece 200 to rotate clockwise from the locking position to the unlocking position to realize the unlocking of the lock.

If it is desired to switch the lock from the locked mode to the access mode, the door handle is depressed while the mechanical clutch 300 and the electronic clutch 500 are in the positions shown in fig. 2, such that the connecting member 100 rotates the unlocking member 200 clockwise from the locked position to the unlocked position. In this process, referring to fig. 7, the first protrusion 210 of the unlocking element 200 abuts against the left sidewall of the second slot 420 of the clutch core 400, so that the unlocking element 200 can drive the clutch core 400 to rotate clockwise from the fifth position to the sixth position. When the unlocking member 200 reaches the unlocking position, the electronic module drives the electronic clutch member 500 to move from the third position to the fourth position, and the unlocking member 200 is separated from the connection member 100. Then, the door handle is released, the door handle is reset upward, the link 100 is reset counterclockwise from the depressed position to the intermediate position, and the unlocking member 200 is also rotated counterclockwise from the unlocking position to the locking position by the reset member. In the process, the first protrusion 210 rotates counterclockwise in the second slot 420, which does not have a transmission effect, so that the clutch core 400 is maintained at the sixth position, but the mechanical clutch member 300 rotates along with the unlocking member 200, so that the clutch core 400 and the mechanical clutch member 300 rotate relatively, the wall surface of the avoiding gap 410 abuts against the mechanical clutch member 300, and the mechanical clutch member 300 is driven to exit from the avoiding gap 410, and moves from the first position to the second position. When the mechanical clutch 300 is in the second position, the lock is in the channel mode. When the mechanical clutch 300 is at the second position, the door handle is pressed down, and the connecting member 100 can be driven by the mechanical clutch 300, so as to drive the unlocking member 200 to rotate from the locking position to the unlocking position, regardless of whether the electronic clutch 500 is at the third position.

When the lockset is in the channel mode, the door handle is pressed down, so that the connecting piece 100 rotates clockwise from the middle position to the pressing-down position, and the mechanical clutch 300 is in the second position, so that the connecting piece 100 can drive the unlocking piece 200 to rotate from the locking position to the unlocking position through the transmission of the mechanical clutch 300. It should be noted that, since the clutch core 400 is in the sixth position, the first protrusion 210 can only rotate in the second engaging groove 420, and cannot further rotate the clutch core 400, the clutch core 400 is kept in the sixth position in the above process. In addition, in the above process, when the unlocking member 200 reaches the unlocking position, the mechanical clutch 300 is aligned with the escape notch 410 again and is caught in the escape notch 410 by the elastic member 320, so that the mechanical clutch 300 moves from the second position to the first position. However, as the unlocking element 200 is reset from the unlocking position to the locking position by the reset element, the mechanical clutch 300 is driven by the unlocking element 200 to disengage from the avoiding notch 410, and then the mechanical clutch 300 is driven from the first position to the second position.

It should be noted that, during the process of clockwise rotation of the connecting member 100 from the middle position to the pressing-down position, the second protrusion 113 always rotates in the third engaging groove 430, and cannot perform a transmission function. Therefore, the second protrusions 113 cannot drive the clutch core 400 to rotate during the rotation of the coupling member 100 from the neutral position to the depressed position.

Referring to fig. 3, if the channel mode needs to be switched to the locking mode, only the door handle needs to be lifted up, so as to drive the connecting member 100 to rotate counterclockwise from the middle position to the lifted position, and meanwhile, since the second protrusion 113 abuts against the sidewall of the third engaging groove 430, the connecting member 100 can drive the clutch core 400 to rotate counterclockwise from the sixth position to the fifth position relative to the unlocking member 200, so that the avoiding gap 410 is aligned with the mechanical clutch member 300, and the mechanical clutch member 300 is driven by the elastic member 320 to move from the second position to the first position. At this time, the connector 100 is separated from the unlocking member 200. That is, when the handle is pressed down, the connecting member 100 cannot drive the unlocking member 200 to rotate (at this time, the electronic clutch member 500 is still at the fourth position), so that unlocking cannot be realized, and the lock is switched to the locking mode.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A clutch for a lock, the clutch comprising:

a connector for connection with a door handle, the connector having a neutral position, a down-pressure position and an up-lift position;

an unlocking member having an unlocking position for unlocking the lock and a locking position for locking the lock;

a mechanical clutch movably disposed on the unlocking member, the mechanical clutch having a first position and a second position, the mechanical clutch being configured to disengage the connecting member from the unlocking member when the mechanical clutch is in the first position and to engage the connecting member with the unlocking member when the mechanical clutch is in the second position to cause the connecting member to rotate downward from the intermediate position to the depressed position to move the unlocking member from the locked position to the unlocked position;

the clutch core is rotatably arranged in the unlocking piece;

an electronic clutch movably disposed at the unlocking member, the electronic clutch having a third position engaging the connecting member with the unlocking member and a fourth position disengaging the connecting member from the unlocking member; the electronic clutch is switchable from the third position to a fourth position when the unlocking member is in the unlocked position;

when the electronic clutch piece is in the third position, the mechanical clutch piece is in the first position and the connecting piece rotates downwards from the middle position to the pressing-down position, the unlocking piece rotates from the locking position to the unlocking position and drives the clutch core to rotate from the fifth position to the sixth position; when the connecting piece is reset from the pressing position to the middle position, the unlocking piece is reset from the unlocking position to the locking position and rotates relative to the clutch core, so that the mechanical clutch piece moves from the first position to the second position; when the electronic clutch is in the fourth position, the mechanical clutch is in the second position and the connecting piece rotates from the middle position to the lifting position, the connecting piece drives the clutch core to rotate from the sixth position to the fifth position relative to the unlocking piece, so that the mechanical clutch moves from the second position to the first position.

2. The clutch of claim 1, wherein the coupling member has a first detent thereon, the mechanical clutch being disengaged from the first detent when the mechanical clutch is in the first position, and the mechanical clutch being engaged in the first detent when the mechanical clutch is in the second position;

when the electronic clutch is located at the fourth position, the mechanical clutch is located at the second position, and the connecting piece rotates from the middle position to the pressing position, the groove wall of the first clamping groove abuts against the mechanical clutch so as to drive the mechanical clutch to rotate along with the connecting piece, and the unlocking piece rotates from the locking position to the unlocking position;

when the electronic clutch is located at the fourth position, the mechanical clutch is located at the second position, and the connecting piece rotates from the middle position to the lifting position, the mechanical clutch rotates in the first clamping groove relative to the first clamping groove, the unlocking piece is kept at the locking position, the connecting piece drives the clutch core to rotate from the sixth position to the fifth position relative to the unlocking piece, and the mechanical clutch is separated from the first clamping groove and is switched from the second position to the first position.

3. The clutch of claim 2, wherein the clutch core has an avoidance gap, and when the unlocking member is returned from the unlocking position to the locking position and rotates relative to the clutch core, a wall surface of the avoidance gap abuts against the mechanical clutch member to drive the mechanical clutch member to exit the avoidance gap and to be clamped into the first clamping groove to move the mechanical clutch member from the first position to the second position;

when the connecting piece drives the clutch core to rotate from the sixth position to the fifth position relative to the unlocking piece, the avoiding notch is opposite to the mechanical clutch piece so as to allow the mechanical clutch piece to be clamped into the avoiding notch and separated from the first clamping groove, and the mechanical clutch piece moves from the second position to the first position.

4. The clutch of claim 3, wherein the clutch includes a resilient member acting between the unlocking member and the mechanical clutch member, the resilient member being configured to accumulate a resilient force during movement of the mechanical clutch member from the first position to the second position, the resilient force being configured to drive the mechanical clutch member to snap into the avoidance gap and disengage from the first engagement groove when the avoidance gap is opposite the mechanical clutch member, such that the mechanical clutch member moves from the second position to the first position.

5. The clutch according to claim 1, wherein the locking member has a first protrusion protruding therefrom, the clutch core has a second engaging groove, and the first protrusion is received in the second engaging groove;

when the electronic clutch piece is located at the third position, the mechanical clutch piece is located at the first position, and the connecting piece rotates downwards from the middle position to the pressing-down position, the first bulge abuts against the groove wall of the second clamping groove to drive the clutch core to rotate along with the unlocking piece so as to rotate the clutch core from the fifth position to the sixth position;

when the connecting member is reset from the depressed position to the intermediate position, the first protrusion rotates within the second engaging groove, and the clutch core is held at the sixth position, so that the mechanical clutch member and the clutch core rotate relative to each other to move the mechanical clutch member from the first position to the second position.

6. The clutch according to claim 1, wherein a second protrusion protrudes from the connecting member, a third engaging groove is formed in the clutch core, and the second protrusion is received in the third engaging groove;

the second protrusion rotates in the third groove during the rotation of the connecting member from the intermediate position to the depressed position, the clutch core is held at the sixth position, and the connecting member drives the unlocking member to rotate from the locked position to the unlocked position through the mechanical clutch member;

when the electronic clutch piece is located at the fourth position, the mechanical clutch piece is located at the second position, and the connecting piece rotates from the middle position to the lifting position, the second protrusion abuts against the groove wall of the third clamping groove to drive the clutch core to rotate along with the connecting piece, so that the clutch core rotates from the sixth position to the fifth position.

7. The clutch of claim 1, wherein the clutch comprises two of the connecting members, one of the connecting members is used for connecting with an outside door handle, the other connecting member is used for connecting with an inside door handle, the unlocking member is disposed between the two connecting members, and the clutch core is disposed through the unlocking member and the two connecting members.

8. The clutch of claim 7, including a damping mechanism coupled to said clutch core for increasing damping between one of said links and said clutch core as the other of said links rotates relative to said clutch core.

9. The clutch of claim 8, wherein the damping mechanism includes a locating pin, the locating pin is disposed through the clutch core;

the connecting pieces are provided with first positioning grooves and second positioning grooves at intervals, one end parts of the positioning pins are matched with the first positioning groove or the second positioning groove of one connecting piece, and the other end parts of the positioning pins are matched with the first positioning groove or the second positioning groove of the other connecting piece;

when one of the links rotates relative to the clutch core, the end of the positioning pin corresponding to the one link switches between the first positioning groove and the second positioning groove of the one link.

10. The clutch of claim 9, wherein the detent pin forms a ramped fit with the first detent groove and/or the second detent groove.

11. The clutch of claim 7, wherein the clutch includes a transmission member for connecting to a connecting member connected to the inner door handle and the unlocking member, wherein the transmission member moves the unlocking member from the locked position to the unlocked position when the connecting member connected to the inner door handle is rotated from the intermediate position to the depressed position; the unlocking member is held in the latched position when a link member connected to the inner door handle is rotated from the intermediate position to the lifted position.