Drive mechanism and door lock

Abstract

The application provides a driving mechanism and a door lock. The driving mechanism comprises a first ratchet wheel and a second ratchet wheel, a first pawl and a second pawl, a rotating member, a driven member, and an output member. The first ratchet wheel and the second ratchet wheel are rotatable. The first pawl is capable of engaging or disengaging with the first ratchet wheel, and the second pawl is capable of engaging or disengaging with the second ratchet wheel. The rotating member is rotatable. The driven member has a free state and a synchronous state. The driven member is eccentrically provided with a driven part, and the driven part is clamped between the first pawl and the second pawl. The output member is capable of abutting against the driven part and rotating under the driving of the driven part. A user can control the rotating member to rotate by manual or electric means, and the output member can still rotate ultimately. In the process of rotation, the first ratchet wheel and the second ratchet wheel do not need to rotate, the movement of the first ratchet wheel and the second ratchet wheel is avoided, the force required for driving the rotating member is reduced, and the difficulty of opening and closing the lock is reduced.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of door lock structure, and particularly relates to a driving mechanism and a door lock. BACKGROUND

[0002] At present, an intelligent door lock usually controls the movement of a lock tongue by driving a mechanism by a motor. When the driving is completed, the motor is mostly relied on to back drive to release the driving mechanism. When the driving is not completed, if some abnormal reasons (such as motor damage, controller damage, power failure, etc.) cause the motor to stop before the work is completed, manual opening and closing of the lock is needed at this time. However, manual opening and closing of the lock needs to forcibly back drive the motor, which results in the need for a large force or even the inability to open. SUMMARY

[0003] In view of this, the first aspect of the application provides a driving mechanism, comprising:

[0004] a first ratchet wheel and a second ratchet wheel, the first ratchet wheel and the second ratchet wheel are both rotatable;

[0005] a first pawl and a second pawl, the first pawl is capable of engaging or disengaging with the first ratchet wheel, and the second pawl is capable of engaging or disengaging with the second ratchet wheel;

[0006] a rotating member, the rotating member is rotatable;

[0007] a driven member, the driven member has a free state of being independently rotatable relative to the rotating member, and a synchronous state of being synchronously rotatable with the rotating member, the driven member is eccentrically provided with a driven part, and the driven part is clamped between the first pawl and the second pawl; and

[0008] an output member, the output member is capable of abutting against the driven part and rotating under the driving of the driven part;

[0009] When the first ratchet wheel and the second ratchet wheel rotate, one of the first pawl and the second pawl is capable of disengaging with the corresponding first ratchet wheel or second ratchet wheel and disengaging with the driven part, and the other of the first pawl and the second pawl is capable of synchronously rotating with the corresponding first ratchet wheel or second ratchet wheel; the other of the first pawl and the second pawl is capable of driving the driven member provided with the driven part to rotate, and the driven part is capable of abutting against the output member and one of the first pawl and the second pawl, thereby driving the output member to rotate, and the driven member is in the free state.

[0010] When the rotating member rotates, the rotating member can drive the driven part of the driven member to rotate, so that the driven member is in the synchronous state, the driven part can drive one of the first pawl and the second pawl to separate from the corresponding first ratchet wheel or the second ratchet wheel, and the other of the first pawl and the second pawl can rotate relative to the corresponding first ratchet wheel or the second ratchet wheel; the driven part can also abut against the output member and drive the output member to rotate.

[0011] The driving mechanism provided in the first aspect of the present application can obtain two schemes for controlling the rotation of the output member through the cooperation of the first ratchet wheel, the second ratchet wheel, the first pawl, the second pawl, the rotating member, the driven member, and the output member. Specifically, the first scheme: since the first pawl cooperates with the first ratchet wheel and the second pawl cooperates with the second ratchet wheel, when the first ratchet wheel and the second ratchet wheel rotate, one of the first pawl and the second pawl can be separated from the corresponding first ratchet wheel or second ratchet wheel. For example, when the first ratchet wheel and the second ratchet wheel rotate in a first direction, the first pawl is separated from the first ratchet wheel, or when the first ratchet wheel and the second ratchet wheel rotate in a second direction opposite to the first direction, the second pawl is separated from the second ratchet wheel. Moreover, one of the first pawl and the second pawl, i.e., the pawl that is separated, can be separated from the driven part, in other words, from the clamped state to the separated state. As for the other of the first pawl and the second pawl, i.e., the pawl that is not separated, it can continue to rotate synchronously under the drive of the corresponding ratchet wheel.

[0012] Since the pawl that is not separated is clamped to the driven part, when the pawl that is not separated rotates, it can drive the driven part to rotate, thereby driving the driven member to rotate. The rotating driven part can re-abut against one of the first pawl and the second pawl, i.e., the pawl that was just separated, to limit the reverse movement of the pawl that was just separated to re-engage with the corresponding ratchet wheel, thereby causing repeated engagement and separation, affecting the smoothness of the rotation of the first ratchet wheel and the second ratchet wheel.

[0013] Moreover, the driven part can also abut against the output member during rotation, thereby driving the output member to rotate synchronously, and further driving the lock cylinder to move, achieving the purpose of unlocking or locking. It is worth noting that at this time, the output member is in a free state, i.e., the rotation of the output member does not drive the related movement of the rotating member and the components connected to the rotating member, so that the rotating member and its related components are in a stationary state.

[0014] The second solution: when the rotating member rotates, the rotating member can drive the driven part of the driven member to rotate, at this time the rotation of the driven member is controlled by the rotating member. Since the first pawl and the second pawl are clamped on the opposite sides of the driven part, when the driven part of the driven member rotates, the driven part can drive one of the first pawl and the second pawl to separate from the corresponding first ratchet or second ratchet, for example, when the rotating member rotates in the first direction, the first pawl separates from the first ratchet, and when the rotating member rotates in the second direction, the second pawl separates from the second ratchet. As for the other pawl that is not separated, it can be driven by the driven part or other components to rotate relative to the corresponding ratchet. In other words, the rotation of the pawl that is not separated does not drive the corresponding ratchet to rotate, but rotates relative to the corresponding ratchet, that is, slips with the corresponding ratchet, so that the corresponding ratchet is in a stationary state. Moreover, the driven part can also resist the output member during rotation, thereby driving the output member to rotate synchronously, further driving the lock cylinder to move, and achieving the purpose of opening or closing the lock.

[0015] In summary, in the first solution, the rotation of the two ratchets can cause one of the pawls to separate from the corresponding ratchet, and the other pawl remains in engagement, thereby rotating under the drive of the corresponding ratchet and driving the driven part of the driven member to rotate in the process. In the second solution, the rotation of the rotating member can drive the driven member to rotate, so that the driven part of the driven member can cause one pawl to separate from the corresponding ratchet, and the other pawl slips with the corresponding ratchet. Moreover, the driven part can also resist the output member to finally drive the output member to rotate. In this way, when the first ratchet and the second ratchet stop transmitting due to some reasons, such as damage to the motor, damage to the controller, power failure, etc., causing the rotation to stop, the user can control the rotating member to rotate manually or electrically, and finally the output member can still rotate. Moreover, the first ratchet and the second ratchet do not need to rotate in the process, avoiding the need to return drive the first ratchet and the second ratchet to move, reducing the force required to drive the rotating member, and reducing the difficulty of opening or closing the lock.

[0016] The first pawl has a first engagement portion at one end and a first clamping portion at the other end, the first engagement portion can engage with the first ratchet, and the first clamping portion is clamped on the side of the driven part away from the first engagement portion.

[0017] The second pawl has a second engagement portion at one end and a second clamping portion at the other end, the second engagement portion can engage with the second ratchet, and the second clamping portion is clamped on the side of the driven part away from the second engagement portion.

[0018] The first ratchet wheel is arranged on one side of the second ratchet wheel in an axial direction and has the same rotating direction as the second ratchet wheel, the first ratchet wheel has a first through hole, the second ratchet wheel has a second through hole, the first pawl and the second pawl are arranged in the first through hole and the second through hole, the inner wall of the first ratchet wheel is arranged with a plurality of first teeth capable of engaging with the first engaging part, and the inner wall of the second ratchet wheel is arranged with second teeth capable of engaging with the second engaging part, and the opening direction of the first teeth and the second teeth is opposite.

[0019] When the first ratchet wheel rotates in a first direction, the first engaging part can be separated from the first teeth, and when the first ratchet wheel rotates in a second direction opposite to the first direction, the first pawl can be driven to rotate synchronously; when the first pawl rotates in the first direction, the first ratchet wheel can be driven to rotate synchronously, and when the first pawl rotates in the second direction, the first pawl can rotate relative to the first ratchet wheel and slip.

[0020] When the second ratchet wheel rotates in the first direction, the second pawl can be driven to rotate synchronously, and when the second ratchet wheel rotates in the second direction, the second engaging part can be separated from the second teeth; when the second pawl rotates in the first direction, the second pawl can rotate relative to the second ratchet wheel and slip, and when the second pawl rotates in the second direction, the second ratchet wheel can be driven to rotate synchronously.

[0021] The driving mechanism further comprises a worm wheel for cooperating with a worm on the motor, the worm wheel has a third through hole, the first ratchet wheel and the second ratchet wheel are arranged in the third through hole, the inner wall of the worm wheel is provided with a first linkage part, the outer side wall of the first ratchet wheel is provided with a second linkage part, the outer side wall of the second ratchet wheel is provided with a third linkage part, and the first linkage part cooperates with the second linkage part and the third linkage part respectively, so that the first ratchet wheel and the second ratchet wheel are driven to rotate synchronously when the worm wheel rotates.

[0022] The first pawl comprises a first body and the first engaging part and the first clamping part connected to the first body, the second pawl comprises a second body and the second engaging part and the second clamping part connected to the second body, the driven part comprises a base and the driven part arranged on one side of the base, the first body and the second body abut against the base, and the first clamping part and the second clamping part are arranged in layers on the base.

[0023] One side of the output part is provided with an abutting part, the first clamping part and the second clamping part are arranged in layers on the abutting part, the abutting part is provided with an abutting groove, and the driven part is arranged in the abutting groove.

[0024] wherein, when the first ratchet wheel and the second ratchet wheel rotate, the other one of the first pawl and the second pawl can drive the driven part provided with the driven member to rotate, the driven part abuts against and drives one of the first pawl and the second pawl to continue moving away from the corresponding first ratchet wheel or second ratchet wheel until the driven part abuts against the slot wall of the abutment slot, and then the driven part drives the output member provided with the abutment part to rotate;

[0025] When the rotating member drives the driven member to rotate, the driven part drives one of the first pawl and the second pawl to disengage from the corresponding first ratchet wheel or second ratchet wheel and abut against the slot wall of the abutment slot, and can also drive the other one of the first pawl and the second pawl to rotate relative to the corresponding first ratchet wheel or second ratchet wheel, and then the driven part drives the output member provided with the abutment part to rotate.

[0026] wherein, the first pawl is further provided with a first abutting part, the second pawl is further provided with a second abutting part, and the driving mechanism is further provided with a first elastic member abutting between the first abutting part and the second abutting part, when one of the first pawl and the second pawl disengages from the corresponding first ratchet wheel or second ratchet wheel, the first elastic member is compressed, and the first elastic member is used to make one of the first pawl and the second pawl engage with the corresponding first ratchet wheel or second ratchet wheel.

[0027] wherein, one side of the output member is provided with a limiting part, the limiting part is provided with a limiting slot, the first abutting part and the second abutting part are arranged in the limiting slot, and the first elastic member can make the first abutting part and the second abutting part abut against the slot walls on opposite sides of the limiting slot, respectively.

[0028] wherein, the rotating member has a fourth through hole, the driving mechanism further comprises a support and a swing member arranged in the fourth through hole, the swing member is rotationally connected to the support, and the rotating member can drive the swing member to rotate relative to the support; the driven member comprises a base, the driven part arranged on one side of the base, and a rotating shaft arranged on the other side of the base, and the swing member can be connected to or disconnected from the rotating shaft;

[0029] wherein, when the swing member is disconnected from the rotating shaft, the driven member is in the free state, and when the swing member is connected to the rotating shaft under the driving of the rotating member, the rotating member can drive the support, the swing member, and the driven member to rotate synchronously, so that the driven member is in the synchronous state.

[0030] The second aspect of this application provides a door lock, including a housing, a motor, and a drive mechanism as provided in the first aspect of this application. The drive mechanism and the motor are both mounted on the housing. The motor is connected to a first ratchet and a second ratchet of the drive mechanism, and the motor is used to rotate the first ratchet and the second ratchet.

[0031] The door lock provided in the second aspect of this application, by employing the drive mechanism provided in the first aspect of this application, can use a motor to drive the first and second ratchet wheels to rotate, thereby controlling the rotation of the output component and thus controlling the movement of the lock cylinder, thereby achieving locking and unlocking. Alternatively, the user can manually or electrically control the rotation of the rotating component to control the rotation of the output component, thereby controlling the movement of the lock cylinder, thus achieving locking and unlocking. In this way, when the motor or other components malfunction, such as motor failure, controller failure, power outage, etc., causing the transmission of the first and second ratchet wheels to stop and the rotation to stop, the user can still control the rotation of the rotating component manually or electrically to ultimately achieve the rotation of the output component. Furthermore, the first and second ratchet wheels do not need to rotate during the movement, avoiding the need for a reverse drive motor, reducing the force required to drive the rotating component, and simplifying the locking and unlocking process. Attached Figure Description

[0032] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the embodiments of this application will be described below.

[0033] Figure 1 This is a three-dimensional structural diagram of the drive mechanism in one embodiment of this application.

[0034] Figure 2 for Figure 1 The diagram shows a three-dimensional structure of the drive mechanism from another perspective.

[0035] Figure 3 for Figure 1 The exploded view of the drive mechanism is shown.

[0036] Figure 4 for Figure 1 The diagram shows the three-dimensional structure of the drive mechanism after the output component has been removed.

[0037] Figure 5 This is a schematic diagram of the drive mechanism in its initial state according to one embodiment of this application.

[0038] Figure 6 for Figure 5 The diagram shows the first and second ratchet wheels rotating clockwise in the drive mechanism shown.

[0039] Figure 7 for Figure 5 The diagram shows the first and second ratchet wheels rotating counterclockwise in the drive mechanism shown.

[0040] Figure 8 This is a three-dimensional structural diagram of the follower, first pawl, second pawl, and output member according to one embodiment of this application.

[0041] Figure 9 This is a schematic diagram showing the engagement of the first pawl, the second pawl, and the follower in one embodiment of this application.

[0042] Figure 10 for Figure 9 The diagram shows an exploded view of the first pawl, the second pawl, and the follower.

[0043] Figure 11 This is a schematic diagram illustrating the engagement of the first ratchet, the second ratchet, the first pawl, and the second pawl in one embodiment of this application.

[0044] Figure 12 for Figure 11 The diagram shows an exploded view of the first ratchet, the second ratchet, the first pawl, and the second pawl.

[0045] Figure 13 This is a schematic diagram illustrating the cooperation of the drive mechanism, motor, worm gear, and worm wheel in one embodiment of this application.

[0046] Figure 14 This is an exploded view of the worm gear, the first ratchet, and the second ratchet in one embodiment of this application.

[0047] Figure 15 This is a three-dimensional cross-sectional view of the follower, the first pawl, the second pawl, and the output component in one embodiment of this application.

[0048] Figure 16 for Figure 15 The diagram shows an exploded view of the driven component, the first pawl, the second pawl, and the output component.

[0049] Figure 17 This is an exploded view of the rotating member, the support, the swinging member, the second elastic member, and the driven member in one embodiment of this application.

[0050] Figure 18 for Figure 17 The diagram shows an exploded view of the rotating component, the support, the swinging component, the second elastic component, and the follower from another perspective.

[0051] Figure 19 This is a three-dimensional structural diagram of a door lock according to one embodiment of this application.

[0052] Figure 20 This is an exploded view of a door lock according to one embodiment of this application.

[0053] Figure 21 for Figure 20 The diagram shows an exploded view of the door lock from another perspective.

[0054] Label Explanation:

[0055] Drive mechanism-1, door lock-2, first ratchet-10, first through hole-11, first tooth-12, second linkage part-13, second ratchet-10a, second through hole-11a, second tooth-12a, third linkage part-13a, first pawl-20, first body-21, first engaging part-22, first clamping part-23, first section-231, second section-232, first abutting part-24, second pawl-20a, second body-21a, second engaging part-22a, second clamping part-23a, third section-231a, fourth section-232a, second abutting part-24a, rotating member-30, fourth through hole-3 1. Fifth linkage part - 32, driven part - 40, driven part - 41, base - 42, rotating shaft - 43, second locking part - 44, output part - 50, output gear - 51, abutting part - 52, abutting groove - 520, limiting part - 53, limiting groove - 530, worm gear - 60, third through hole - 600, first linkage part - 601, worm - 61, motor - 62, first elastic element - 63, bracket - 70, fifth through hole - 71, swinging element - 72, fourth linkage part - 73, first locking part - 74, second elastic element - 75, contact part - 750, housing - 80, magnetic element - 81, open gear - 82, gear assembly - 83. Detailed Implementation

[0056] The following are preferred embodiments of this application. It should be noted that, for those skilled in the art, several improvements and modifications can be made without departing from the principles of this application, and these improvements and modifications are also considered to be within the scope of protection of this application.

[0057] Please refer to this as well. Figures 1-8 , Figure 1 This is a three-dimensional structural diagram of the drive mechanism in one embodiment of this application. Figure 2 for Figure 1 The diagram shows a three-dimensional structure of the drive mechanism from another perspective. Figure 3 for Figure 1 The exploded view of the drive mechanism is shown. Figure 4 for Figure 1 The diagram shows the three-dimensional structure of the drive mechanism after the output component has been removed. Figure 5 This is a schematic diagram of the drive mechanism in its initial state according to one embodiment of this application. Figure 6 for Figure 5 The diagram shows the first and second ratchet wheels rotating clockwise in the drive mechanism shown. Figure 7 forFigure 5 Fig. 6 is a schematic view of the driving mechanism shown in Fig. 5, illustrating the first ratchet and the second ratchet rotating counterclockwise. Figure 8 Fig. 7 is a schematic view of the driving mechanism shown in Fig. 6, illustrating the follower, the first pawl, the second pawl, and the output member.

[0058] The driving mechanism 1 provided by the embodiment includes a first ratchet 10 and a second ratchet 10a, a first pawl 20 and a second pawl 20a, a rotating member 30, a follower 40, and an output member 50. The first ratchet 10 and the second ratchet 10a are rotatable, the first pawl 20 is engageable with or disengageable from the first ratchet 10, the second pawl 20a is engageable with or disengageable from the second ratchet 10a, and the rotating member 30 is rotatable. The follower 40 has a free state in which the follower 40 is rotatable independently of the rotating member 30 and a synchronous state in which the follower 40 is rotatable synchronously with the rotating member 30. The follower 40 is eccentrically provided with a driven portion 41 which is clamped between the first pawl 20 and the second pawl 20a. The output member 50 is capable of abutting against the driven portion 41 and rotating under the drive of the driven portion 41.

[0059] When the first ratchet 10 and the second ratchet 10a rotate, one of the first pawl 20 and the second pawl 20a is disengageable from the corresponding first ratchet 10 or second ratchet 10a and disengageable from the driven portion 41, and the other of the first pawl 20 and the second pawl 20a is rotatable synchronously with the corresponding first ratchet 10 or second ratchet 10a. The other of the first pawl 20 and the second pawl 20a is capable of rotating the follower 40 provided with the driven portion 41 and enabling the driven portion 41 to abut against the output member 50 and one of the first pawl 20 and the second pawl 20a, thereby rotating the output member 50, the follower 40 being in the free state.

[0060] When the rotating member 30 rotates, the rotating member 30 is capable of rotating the driven portion 41 of the follower 40, thereby enabling the follower 40 to be in the synchronous state, the driven portion 41 is capable of disengaging one of the first pawl 20 and the second pawl 20a from the corresponding first ratchet 10 or second ratchet 10a, and the other of the first pawl 20 and the second pawl 20a is rotatable relative to the corresponding first ratchet 10 or second ratchet 10a. The driven portion 41 is also capable of abutting against the output member 50 and rotating the output member 50.

[0061] The driving mechanism 1 is a mechanism with multiple motion modes and motion states. By controlling the rotation of different components, the same component, such as the output component 50, can be rotated. The driving mechanism 1 can be applied to various fields such as door locks 2, automobiles, aerospace, machine tools, etc. The present embodiment only illustrates the application of the driving mechanism 1 in the field of door locks 2, and the application of the driving mechanism 1 in other fields should also be within the protection scope of the present application.

[0062] The first ratchet wheel 10 and the second ratchet wheel 10a are two kinds of ratchet wheel components. The ratchet wheel is a gear with a rigid toothed surface or a friction surface on the outer edge or the inner edge, which is usually matched with a pawl and is an important component of a ratchet mechanism. The ratchet wheel can realize one-way transmission, that is, it can only drive the component to move in one direction, and it cannot drive the component to move in the opposite direction due to slipping, etc. The first ratchet wheel 10 and the second ratchet wheel 10a provided by the present embodiment can rotate along their own axes. As for how to control the first ratchet wheel 10 and the second ratchet wheel 10a, the present embodiment does not limit it here, for example, it can be controlled by the motor 62, or the user can manually control it with a key, a handle, etc. The present embodiment and the following will only illustrate the control of the first ratchet wheel 10 and the second ratchet wheel 10a by the motor 62.

[0063] The first pawl 20 and the second pawl 20a are two kinds of pawl components, which are usually matched with a ratchet wheel. The pawl can be engaged with the ratchet wheel to drive the pawl to rotate under the rotation of the ratchet wheel, or the pawl can be engaged with and disengaged from the ratchet wheel without driving the pawl to move, which is also called slipping, that is, only one component rotates, and the other component does not rotate but slides. For example, when the motor 62 reverses, the first ratchet wheel 10 and the second ratchet wheel 10a rotate in the clockwise direction, that is, the rotation directions of the first ratchet wheel 10 and the second ratchet wheel 10a are the same, which can make the first pawl 20 disengage from the first ratchet wheel 10, which can also be called disengaged. However, the second pawl 20a is still engaged with the second ratchet wheel 10a, so that the second ratchet wheel 10a can drive the second pawl 20a to rotate when it continues to rotate, but the first ratchet wheel 10 cannot drive the first pawl 20 to move. Or when the motor 62 rotates forward, the first ratchet wheel 10 and the second ratchet wheel 10a rotate in the counterclockwise direction, that is, the rotation directions of the first ratchet wheel 10 and the second ratchet wheel 10a are the same, which can make the second pawl 20a disengage from the second ratchet wheel 10a or disengage. However, the first pawl 20 is still engaged with the first ratchet wheel 10, so that the first ratchet wheel 10 can drive the first pawl 20 to rotate when it continues to rotate, but the second ratchet wheel 10a cannot drive the second pawl 20a to move.

[0064] Optionally, the first ratchet wheel 10 and the second ratchet wheel 10a can rotate synchronously or asynchronously. Optionally, the first ratchet wheel 10 and the second ratchet wheel 10a can rotate in the same direction or in opposite directions.

[0065] In other words, no matter the first ratchet wheel 10 and the second ratchet wheel 10a are in positive rotation or reverse rotation, one pawl is always separated from the ratchet wheel and thus is not controlled by the rotating ratchet wheel, and the other pawl is engaged with the ratchet wheel and thus is controlled by the rotating ratchet wheel to rotate synchronously.

[0066] The rotating member 30 is a driving member of another operation mode, and a user can drive the rotating member 30 to rotate by manual or electric means to control the movement of other components. Optionally, the rotating member 30 includes but is not limited to a ring gear.

[0067] The driven member 40 is one of the important components in the embodiment, and the driven member 40 can be controlled by other components and can in turn control other components, and the driven member 40 is a force transmitter of the first ratchet wheel 10, the second ratchet wheel 10a, and the rotating member 30. Both control schemes need to control other components such as the subsequent output member 50 by controlling the driven member 40. And the driven member 40 and the rotating member 30 have two special states: a free state and a synchronous state. The free state means that the driven member 40 rotates without driving the rotating member 30 to rotate, and the driven member 40 can rotate relative to the rotating member 30. The synchronous state means that when the rotating member 30 rotates, the driven member 40 can be driven to rotate together, and at this time, the driven member 40 and the rotating member 30 have the same motion state, i.e., the synchronous state.

[0068] The driven member 40 is eccentrically provided with a driven part 41, that is, when the driven member 40 rotates, the driven part 41 can also rotate around the axis of the driven member 40. And the driven part 41 is clamped between the first pawl 20 and the second pawl 20a, that is, the opposite sides of the driven part 41 are respectively provided with the first pawl 20 and the second pawl 20a, so that when the first pawl 20 and the second pawl 20a rotate, the driven part 41 can be driven to rotate together, or when the driven part 41 rotates, according to the rotation direction of the driven part 41, the driven part 41 can drive one of the first pawl 20 and the second pawl 20a to disengage from the corresponding ratchet wheel, and the driven part 41 can also drive the two pawls to rotate, providing a basis for subsequent movement.

[0069] The output member 50 is the final output component of the driving mechanism 1, and the output member 50 is initially separated from the driven part 41 of the driven member 40, but as the driven part 41 rotates, the driven part 41 can abut against the output member 50. Therefore, when the driven part 41 continues to rotate, the driven part 41 can drive the output member 50 to rotate, and the output member 50 can be connected to a lock cylinder in sequence to control the movement of the lock cylinder, and finally achieve the purpose of opening and closing the lock.

[0070] The drive mechanism 1 provided by the embodiment can obtain two schemes for controlling the rotation of the output member 50 and the rotating member 30, and the output member 50 can rotate in both schemes. Specifically, in the first scheme, because the first pawl 20 cooperates with the first ratchet wheel 10 and the second pawl 20a cooperates with the second ratchet wheel 10a, when the first ratchet wheel 10 and the second ratchet wheel 10a rotate, one of the first pawl 20 and the second pawl 20a can be separated from the corresponding first ratchet wheel 10 or second ratchet wheel 10a. For example, when the first ratchet wheel 10 and the second ratchet wheel 10a rotate in a first direction (for example, direction D1 in FIG. 6), the first pawl 20 is separated from the first ratchet wheel 10, but the second pawl 20a is still engaged with the second ratchet wheel 10a. Alternatively, when the first ratchet wheel 10 and the second ratchet wheel 10a rotate in a second direction opposite to the first direction (for example, direction D2 in FIG. 6), the second pawl 20a is separated from the second ratchet wheel 10a, but the first pawl 20 is still engaged with the first ratchet wheel 10. The first direction can be clockwise or counterclockwise, and the second direction can be counterclockwise or clockwise. The embodiment is only illustratively described with the first direction being clockwise and the second direction being counterclockwise. Moreover, the embodiment and the following description are only illustratively described with the first ratchet wheel 10 and the second ratchet wheel 10a rotating in the first direction, at this time, the first pawl 20 is separated from the first ratchet wheel 10, and the second pawl 20a is engaged with the second ratchet wheel 10a. The above can also be understood as one of the first pawl 20 and the second pawl 20a, i.e., the separated pawl, is separated from the driven part 41, in other words, the state changes from the clamping state to the separated state. As for the other pawl, i.e., the unseparated pawl, can continue to rotate synchronously under the driving of the corresponding ratchet wheel. Figure 6 Figure 7 Moreover, because the first pawl 20 and the second pawl 20a are clamped on opposite sides of the driven part 41, when the separated pawl, i.e., the first pawl 20, is separated from the first ratchet wheel 10, the first pawl 20 can also be separated from the driven part 41, at this time, only the unseparated pawl, i.e., the second pawl 20a, is still clamped on one side of the driven part 41. When the second pawl 20a rotates under the rotation of the second ratchet wheel 10a, the driven part 41 can be driven to rotate, thereby driving the driven member 40 to rotate. The rotating driven part 41 can re-engage the pawl, i.e., the first pawl 20, that has just been separated, to limit the reverse movement of the first pawl 20 that has just been separated to re-engage the first ratchet wheel 10, thereby causing repeated engagement and separation, affecting the fluency of the rotation of the first ratchet wheel 10 and the second ratchet wheel 10a.

[0071]

[0072] ​​And the driving part 41 can also resist the output part 50 in the process of rotation, thereby driving the output part 50 to rotate synchronously, and further driving the lock cylinder to move, so as to achieve the purpose of opening and closing the lock. It is worth noting that at this time the output part 50 is in a free state, that is, the rotation of the output part 50 does not drive the rotation of the rotating part 30 and the related movement of the components connected with the rotating part 30, so that the rotating part 30 and its related components are in a static state.

[0073] The second scheme: when the rotating part 30 rotates, the rotating part 30 can drive the driving part 41 of the driven part 40 to rotate, at this time the rotation of the driven part 40 is controlled by the rotating part 30, so the driven part 40 is in a synchronous state. Since the first pawl 20 and the second pawl 20a are clamped on the opposite sides of the driving part 41, when the driving part 41 of the driven part 40 rotates, the driving part 41 can drive one of the first pawl 20 and the second pawl 20a to separate from the corresponding first ratchet wheel 10 or second ratchet wheel 10a, for example, when the rotating part 30 rotates in the first direction, the first pawl 20 separates from the first ratchet wheel 10, and when the rotating part 30 rotates in the second direction, the second pawl 20a separates from the second ratchet wheel 10a. The present embodiment and the following will only adapt to the description of the rotating part 30 rotating in the first direction, such as the clockwise direction, at this time the first pawl 20 separates from the first ratchet wheel 10. As for the other pawl, that is, the second pawl 20a, which is not separated, can be driven by the driving part 41 or other components to rotate relative to the corresponding ratchet wheel. The specific movement of the second pawl 20a will be described in detail later.

[0074] In other words, the rotation of the second pawl 20a, which is not separated, does not drive the corresponding second ratchet wheel 10a to rotate, but rotates relative to the second ratchet wheel 10a, that is, slips with the second ratchet wheel 10a, so that the second ratchet wheel 10a is in a static state. And the driving part 41 can also resist the output part 50 in the process of rotation, thereby driving the output part 50 to rotate synchronously, and further driving the lock cylinder to move, so as to achieve the purpose of opening and closing the lock.

[0075] It is worth noting that whether it is the first ratchet wheel 10 and the second ratchet wheel 10a, or the rotating part 30, there are two rotation directions, and in any one direction, one pawl can be separated from the ratchet wheel. Therefore, in order to make the first ratchet wheel 10, the second ratchet wheel 10a, and the rotating part 30 can rotate in both directions, the present embodiment provides two sets of pawls and ratchets, that is, the first pawl 20 and the first ratchet wheel 10, and the second pawl 20a and the second ratchet wheel 10a.

[0076] Furthermore, in the first embodiment, one of the first pawl 20 and the second pawl 20a can be the same pawl as one of the first pawl 20 and the second pawl 20a in the second embodiment, or they can be different pawls. For example, when one of the first pawl 20 and the second pawl 20a in the first embodiment is indicated by the first pawl 20, then in the second embodiment, one of the first pawl 20 and the second pawl 20a can be indicated by either the first pawl 20 or the second pawl 20a. This embodiment is not limited to this.

[0077] In summary, in the first scheme, regardless of whether the two ratchet wheels rotate clockwise or counterclockwise, the rotation of both ratchet wheels will cause one pawl to disengage from its corresponding ratchet wheel, while the other pawl remains engaged. This allows it to rotate under the influence of the corresponding ratchet wheel, and during this rotation, it drives the driven part 41 of the driven member 40 to rotate. The driven part 41 then supports the output member 50, ultimately causing the output member 50 to rotate. In the second scheme, the rotation of the rotating member 30 will drive the driven member 40 to rotate, causing the driven part 41 of the driven member 40 to disengage one pawl from its corresponding ratchet wheel, while the other pawl slips off. Furthermore, the driven part 41 also supports the output member 50, ultimately causing the output member 50 to rotate. In this way, when the first ratchet 10 and the second ratchet 10a stop rotating due to some reason, such as damage to the motor 62, damage to the controller, or power outage, the user can still control the rotating part 30 to rotate manually or electrically, and the output part 50 can still rotate. During the rotation, the first ratchet 10 and the second ratchet 10a do not need to rotate, avoiding the need to drive the first ratchet 10 and the second ratchet 10a, or even the motor 62, to move. It does not require the pawl to be forcibly disengaged from the ratchet, and can be directly driven manually, reducing the force required to drive the rotating part 30 and reducing the difficulty of opening and closing the lock.

[0078] Please refer to this as well. Figures 9-10 , Figure 9 This is a schematic diagram showing the engagement of the first pawl, the second pawl, and the follower in one embodiment of this application. Figure 10 for Figure 9 The diagram shows an exploded view of the first pawl, the second pawl, and the driven member. In this embodiment, the first pawl 20 has a first engaging portion 22 at one end and a first clamping portion 23 at the other end. The first engaging portion 22 can engage with the first ratchet 10, and the first clamping portion 23 clamps the driven member 41 on the side opposite to the first engaging portion 22. The second pawl 20a has a second engaging portion 22a at one end and a second clamping portion 23a at the other end. The second engaging portion 22a can engage with the second ratchet 10a, and the second clamping portion 23a clamps the driven member 41 on the side opposite to the second engaging portion 22a.

[0079] The first pawl 20 comprises a first body 21, a first engaging portion 22 and a first clamping portion 23 arranged on the first body 21. The first body 21 is used to carry other parts, such as engaging portion, clamping portion, abutting portion and so on. The first engaging portion 22 is used to engage and disengage with the first ratchet wheel 10, and the first clamping portion 23 is used to clamp one side of the driven portion 41. Specifically, the first clamping portion 23 comprises a first portion 231 connected with the first body 21, and a second portion 232 bently connected with the first portion 231. The second portion 232 clamps the other side of the driven portion 41, and the first portion 231 can also abut against the driven portion 41. As shown, the first portion 231 is a long strip-shaped plate structure, which can abut against the upper side of the driven portion 41, and the second portion 232 can abut against the right side of the driven portion 41. Figure 9

[0080] The second pawl 20a comprises a second body 21a, a second engaging portion 22a and a second clamping portion 23a arranged on the second body 21a. The second body 21a is used to carry other parts, such as engaging portion, clamping portion, abutting portion and so on. The second engaging portion 22a is used to engage and disengage with the second ratchet wheel 10a, and the second clamping portion 23a is used to clamp the other side of the driven portion 41. Specifically, the second clamping portion 23a comprises a third portion 231a connected with the second body 21a, and a fourth portion 232a bently connected with the third portion 231a. The fourth portion 232a clamps the other side of the driven portion 41, and the third portion 231a can also abut against the driven portion 41. As shown, the third portion 231a is a long strip-shaped plate structure, which can abut against the upper side of the driven portion 41, and the fourth portion 232a can abut against the left side of the driven portion 41. Figure 9

[0081] ​​As can be seen from the above structure, the first portion 231 of the first clamping portion 23 and the third portion 231a of the second clamping portion 23a can abut against the upper side of the driven portion 41, the second portion 232 of the first clamping portion 23 abuts against the left side of the driven portion 41 away from the first engaging portion 22, the fourth portion 232a of the second clamping portion 23a abuts against the right side of the driven portion 41 away from the second engaging portion 22a, and the first clamping portion 23 and the second clamping portion 23a can be arranged on three sides of the driven portion 41. In this way, when the first ratchet wheel 10 and the second ratchet wheel 10a rotate, the first clamping portion 23 of the first pawl 20 is separated from the driven portion 41, i.e., the second portion 232 of the first clamping portion 23 slides to the left, but the first portion 231 is still on the upper side of the driven portion 41. With the continuous rotation of the second ratchet wheel 10a, the third portion 231a of the second clamping portion 23a of the second pawl 20a can drive the driven portion 41 to rotate due to the third portion 231a being on the upper side of the driven portion 41, thereby completing the subsequent movement. When the rotating member 30 rotates to drive the driven portion 41, the driven portion 41 can pull the second portion 232 of the first clamping portion 23 of the first pawl 20, so that the first engaging portion 22 is separated from the first ratchet wheel 10. In addition, the driven portion 41 can drive the first pawl 20 and the second pawl 20a to rotate through the first portion 231 and the third portion 231a, thereby completing the subsequent movement.

[0082] In summary, the first clamping portion 23 and the second clamping portion 23a of the above structure can be arranged to drive the driven portion 41 to rotate, and the driven portion 41 can also drive the first pawl 20 and the second pawl 20a to rotate.

[0083] Alternatively, the first clamping portion 23 and the second clamping portion 23a are arranged in layers, i.e., the height of the first clamping portion 23 on the first body 21 and the height of the second clamping portion 23a on the second body 21a are different, so that the first portion 231 and the third portion 231a can be arranged in layers on the upper and lower sides, thereby being able to abut against the upper side of the driven portion 41. As to which of the first clamping portion 23 and the second clamping portion 23a is on the upper side and which is on the lower side, the present embodiment does not limit it. Due to the arrangement of the first clamping portion 23 and the second clamping portion 23a in layers on the upper and lower sides, the second portion 232 and the fourth portion 232a are also arranged in layers on the opposite sides of the driven portion 41, but this does not affect the cooperation between the first pawl 20, the second pawl 20a and the driven portion 41.

[0084] In the embodiment, the driven part 40 comprises a base 42 and the driven part 41 arranged on one side of the base 42, the first body 21 and the second body 21a abut against the base 42, and the first clamping part 23 and the second clamping part 23a are arranged in layers on the base 42. The embodiment can use the base 42 to arrange the driven part 41 and other structures of the driven part 40, and also make the first body 21 of the first pawl 20 and the second body 21a of the second pawl 20a abut against the base 42, so as to support the first pawl 20 and the second pawl 20a by the base 42, and improve the stability of the first pawl 20 and the second pawl 20a. Optionally, the base 42 is a disc structure, and the driven part 41 is eccentrically arranged on the base 42.

[0085] For reference Figures 11-12 , Figure 11 It is a schematic view of the cooperation of the first ratchet wheel, the second ratchet wheel, the first pawl, and the second pawl in an embodiment of the present application. Figure 12 It is Figure 11 It is an exploded schematic view of the first ratchet wheel, the second ratchet wheel, the first pawl, and the second pawl. In the embodiment, the first ratchet wheel 10 is arranged in layers on one side of the second ratchet wheel 10a along the axial direction of the second ratchet wheel 10a, and the rotation direction of the first ratchet wheel 10 is the same as that of the second ratchet wheel 10a, the first ratchet wheel 10 has a first through hole 11, the second ratchet wheel 10a has a second through hole 11a, the first pawl 20 and the second pawl 20a are arranged in the first through hole 11 and the second through hole 11a, the inner wall of the first ratchet wheel 10 is arranged with a plurality of first teeth 12 capable of engaging with the first engaging part 22, the inner wall of the second ratchet wheel 10a is arranged with a second tooth 12a capable of engaging with the second engaging part 22a, and the opening direction of the first tooth 12 is opposite to that of the second tooth 12a.

[0086] When the first ratchet wheel 10 rotates in the first direction, the first engaging part 22 can be separated from the first tooth 12, and when the first ratchet wheel 10 rotates in the second direction opposite to the first direction, the first pawl 20 can be driven to rotate synchronously. When the first pawl 20 rotates in the first direction, the first ratchet wheel 10 can be driven to rotate synchronously, and when the first pawl 20 rotates in the second direction, the first ratchet wheel 10 can rotate and slip relative to the first ratchet wheel 10.

[0087] When the second ratchet wheel 10a rotates in the first direction, the second pawl 20a can rotate synchronously, and when the second ratchet wheel 10a rotates in the second direction, the second engaging portion 22a can be separated from the second teeth 12a. When the second pawl 20a rotates in the first direction, the second pawl 20a can rotate relative to the second ratchet wheel 10a and slip, and when the second pawl 20a rotates in the second direction, the second ratchet wheel 10a can rotate synchronously.

[0088] The first ratchet wheel 10 and the second ratchet wheel 10a are stacked together along the axial direction, i.e., the thickness direction, of the two, so that the driving mechanism 1 is more compact. Since the first ratchet wheel 10 and the second ratchet wheel 10a are stacked, i.e., the heights of the first ratchet wheel 10 and the second ratchet wheel 10a are different, the height of the first engaging portion 22 of the first pawl 20 and the height of the second engaging portion 22a of the second pawl 20a are different, corresponding to the positions of the respective ratchet wheels.

[0089] The first ratchet wheel 10 has a first through hole 11, and the second ratchet wheel 10a has a second through hole 11a, and the first pawl 20 and the second pawl 20a are arranged in the first through hole 11 and the second through hole 11a, so that the driving mechanism 1 is further compact and the overall size of the driving mechanism 1 is reduced. At this time, the first ratchet wheel 10 and the second ratchet wheel 10a are both annular structures. In this embodiment, the inner wall of the first ratchet wheel 10 can be annularly provided with a plurality of first teeth 12 engaged with the first engaging portion 22, and the inner wall of the second ratchet wheel 10a can be annularly provided with a plurality of second teeth 12a engaged with the second engaging portion 22a, and the opening direction of each first tooth 12 is opposite to the opening direction of each second tooth 12a.

[0090] Since the first ratchet wheel 10 and the second ratchet wheel 10a are stacked and rotate in the same direction, and the openings of the first teeth 12 and the second teeth 12a are opposite, when the first ratchet wheel 10 and the second ratchet wheel 10a rotate in the first direction, e.g., clockwise, the first engaging portion 22 can be separated from the first teeth 12, and the second ratchet wheel 10a can rotate synchronously with the second pawl 20a. When the first ratchet wheel 10 and the second ratchet wheel 10a rotate in the second direction, e.g., counterclockwise, the first ratchet wheel 10 can rotate synchronously with the first pawl 20, and the second engaging portion 22a can be separated from the second teeth 12a.

[0091] However, when the first pawl 20 rotates in the first direction, the first ratchet wheel 10 can rotate synchronously, and when the second pawl 20a rotates in the first direction, the second pawl 20a can rotate relative to the second ratchet wheel 10a and slip. When the first pawl 20 rotates in the second direction, the first pawl 20 can rotate relative to the first ratchet wheel 10 and slip, and when the second pawl 20a rotates in the second direction, the second ratchet wheel 10a can rotate synchronously.

[0092] In summary, the movement relationship described above can be obtained by setting the specific structure of the first ratchet wheel 10 and the second ratchet wheel 10a, and the subsequent movement process can be better realized.

[0093] Alternatively, the engagement surface between the engagement part of the pawl and the teeth of the ratchet wheel can be a plane-plane occlusal contact or a bevel-bevel contact, so as to realize driving and disengagement, and achieve disengagement or occlusal driving in both forward rotation and reverse rotation. The embodiment only schematically illustrates the bevel contact between the engagement surface of the engagement part of the pawl and the teeth of the ratchet wheel.

[0094] Please refer to Figures 13-14 , Figure 13 It is a cooperation schematic diagram of the driving mechanism, the motor, the worm, and the worm wheel in an embodiment of the present application. Figure 14 It is an exploded schematic diagram of the worm wheel, the first ratchet wheel, and the second ratchet wheel in an embodiment of the present application. In the embodiment, the driving mechanism 1 further includes a worm wheel 60, the worm wheel 60 is used to cooperate with a worm 61 on a motor 62, the worm wheel 60 has a third through hole 600, the first ratchet wheel 10 and the second ratchet wheel 10a are both arranged in the third through hole 600, an inner wall of the worm wheel 60 is provided with a first linkage part 601, an outer side wall of the first ratchet wheel 10 is provided with a second linkage part 13, an outer side wall of the second ratchet wheel 10a is provided with a third linkage part 13a, and the first linkage part 601 cooperates with the second linkage part 13 and the third linkage part 13a respectively, so as to drive the first ratchet wheel 10 and the second ratchet wheel 10a to rotate synchronously when the worm wheel 60 rotates.

[0095] In addition to the above-mentioned components, the driving mechanism 1 can further include a worm wheel 60, the worm wheel 60 can cooperate with a worm 61 on a motor 62, so as to make the worm wheel 60 rotate under the control of the motor 62. The worm wheel 60 has a third through hole 600, the first ratchet wheel 10 and the second ratchet wheel 10a are both arranged in the third through hole 600, so as to make the driving mechanism 1 more compact, and at this time the worm wheel 60 is in a ring structure.

[0096] The inner wall of the worm wheel 60 is provided with a first linkage part 601, the outer side wall of the first ratchet wheel 10 is provided with a second linkage part 13, and the outer side wall of the second ratchet wheel 10a is provided with a third linkage part 13a. The first linkage part 601 can simultaneously cooperate with the second linkage part 13 and the third linkage part 13a, so that the worm wheel 60 drives the first ratchet wheel 10 and the second ratchet wheel 10a to rotate synchronously when the worm wheel 60 rotates. In this embodiment, the first linkage part 601 can be a groove, and the second linkage part 13 and the third linkage part 13a can be protrusions. When the protrusions are arranged in the groove, the worm wheel 60 can drive the first ratchet wheel 10 and the second ratchet wheel 10a to rotate synchronously when the worm wheel 60 rotates. Of course, in other embodiments, the first linkage part 601 can also be a protrusion, and the second linkage part 13 and the third linkage part 13a can be grooves. Similarly, the worm wheel 60 can drive the first ratchet wheel 10 and the second ratchet wheel 10a to rotate synchronously.

[0097] Because the worm and the worm wheel 61 have a certain self-locking ability, when the motor 62 is damaged, if the user wants to manually drive the first ratchet wheel 10 and the second ratchet wheel 10a, the worm wheel 60 and the worm 61 need to be driven, which will further increase the required force, and even cannot be achieved. Therefore, in this embodiment, the first ratchet wheel 10 and the second ratchet wheel 10a do not need to be driven, and the output member 50 can still be rotated to achieve the switching lock.

[0098] Please refer to Figures 15-16 , Figure 15 It is a sectional view of the driven member, the first pawl, the second pawl, and the output member in an embodiment of the present application. Figure 16 It is Figure 15 An exploded view of the driven member, the first pawl, the second pawl, and the output member is shown. In this embodiment, one side of the output member 50 is provided with an abutting part 52, and the first clamping part 23 and the second clamping part 23a are arranged in layers on the abutting part 52. The abutting part 52 is provided with an abutting groove 520, and the driven part 41 is arranged in the abutting groove 520.

[0099] When the first ratchet wheel 10 and the second ratchet wheel 10a rotate, the other one of the first pawl 20 and the second pawl 20a can drive the driven member 40 provided with the driven part 41 to rotate. The driven part 41 abuts and drives one of the first pawl 20 and the second pawl 20a to continue moving away from the corresponding first ratchet wheel 10 or second ratchet wheel 10a until the driven part 41 abuts the groove wall of the abutting groove 520. Then, the driven part 41 drives the output member 50 provided with the abutting part 52 to rotate.

[0100] When the rotating member 30 drives the driven member 40 to rotate, the driven part 41 drives one of the first pawl 20 and the second pawl 20a to separate from the corresponding first ratchet wheel 10 or the second ratchet wheel 10a, and abut against the groove wall of the abutment groove 520, and also drives the other of the first pawl 20 and the second pawl 20a to rotate relative to the corresponding first ratchet wheel 10 or the second ratchet wheel 10a, and then the driven part 41 drives the output member 50 provided with the abutment part 52 to rotate.

[0101] The output member 50 includes an output gear 51 and an abutment part 52 provided on one side of the output gear 51, and the abutment part 52 is located in the first through hole 11 and the second through hole 11a of the first ratchet wheel 10 and the second ratchet wheel 10a. The output gear 51 is located outside the first ratchet wheel 10 and the second ratchet wheel 10a. The abutment part 52 is used to cooperate with the driven part 41 to drive the output gear 51 to rotate, thereby controlling the movement of the lock cylinder. The first clamping part 23 and the second clamping part 23a are stacked on the abutment part 52, and the abutment part 52 is provided with an abutment groove 520, and the driven part 41 is located in the abutment groove 520.

[0102] When the first ratchet wheel 10 and the second ratchet wheel 10a are driven by the worm wheel 60 to rotate synchronously, one of the first pawl 20 and the second pawl 20a, such as the pawl, can be separated from the first ratchet wheel 10, and the second part 232 of the first clamping part 23 of the first pawl 20 can be separated in the direction away from the driven part 41. And the second pawl 20a can drive the driven part 41 to rotate under the drive of the second ratchet wheel 10a, at this time, it can also be understood that the driven part 41 rotates in the abutment groove 520. The driven part 41 will re-abut the second part 232 during rotation, and continue to separate in the direction away from the first ratchet wheel 10 under the rotation of the rotating part until abutting to the groove wall of the abutment groove 520, at this time, the driven part 41 cannot continue to drive the second part 232 away. But because the driven part 41 abuts to the groove wall of the abutment groove 520, when the driven part 41 continues to rotate, it can drive the abutment part 52 and the output gear 51 to rotate together.

[0103] When the rotating member 30 rotates, the driven part 41 of the driven member 40 is rotated, and the driven part 41 can pull one of the second part 232 and the fourth part 232a to slide away from the corresponding ratchet wheel, and the driven part 41 can still abut against the groove wall of the abutment groove 520 when it rotates by a certain angle, and at this time, the pawl is also pulled to the maximum distance. When the driven part 41 continues to rotate, the abutment part 52 can rotate with the output gear 51, and because the upper side of the driven part 41 abuts against the first part 231 of the first clamping part 23 and the third part 231a of the second clamping part 23a, the driven part 41 can rotate the first pawl 20 and the second pawl 20a in addition to driving the output member 50, and make the first pawl 20 always disengage from the first ratchet wheel 10, and the second pawl 20a always rotate relative to the second ratchet wheel 10a and slip.

[0104] In summary, the abutment part 52 and the abutment groove 520 provided on the output member 50 can make the driven part 41 drive the output member 50 to rotate.

[0105] Please refer to Figures 5-7 , and Figure 15 In the embodiment, the first pawl 20 is further provided with a first abutment part 24, the second pawl 20a is further provided with a second abutment part 24a, and the driving mechanism 1 is further provided with a first elastic member 63 abutting between the first abutment part 24 and the second abutment part 24a, when one of the first pawl 20 and the second pawl 20a is separated from the corresponding first ratchet wheel 10 or second ratchet wheel 10a, the first elastic member 63 is compressed, and the first elastic member 63 is used to make one of the first pawl 20 and the second pawl 20a engage with the corresponding first ratchet wheel 10 or second ratchet wheel 10a.

[0106] In addition to the above structure, the first pawl 20 can further include a first abutment part 24, which is also provided on the first main body 21. Similarly, the second main body 21a of the second pawl 20a is also provided with a second abutment part 24a, and the first abutment part 24 and the second abutment part 24a are oppositely arranged. In addition, the driving mechanism 1 further includes a first elastic member 63, which can abut between the first abutment part 24 and the second abutment part 24a. When the first ratchet wheel 10 and the second ratchet wheel 10a rotate, or the rotating member 30 rotates so that one of the first pawl 20 and the second pawl 20a, for example, the first pawl 20, is disengaged from the first ratchet wheel 10, the first abutment part 24 of the first pawl 20 slides towards the second abutment part 24a of the second pawl 20a to compress the first elastic member 63. When the first ratchet wheel 10 and the second ratchet wheel 10a, or the rotating member 30, are reversely rotated, the first elastic member 63 in the compressed state can reversely slide the first abutment part 24 to re-engage with the first ratchet wheel 10.

[0107] In summary, by setting the specific structure of the first pawl 20 and the second pawl 20a, and adding the first elastic member 63, the first pawl 20 and the second pawl 20a can be reset, thereby providing a basis for the next movement.

[0108] In the embodiment, one side of the output member 50 protrudes a limiting portion 53, the limiting portion 53 is provided with a limiting groove 530, the first abutting portion 24 and the second abutting portion 24a are located in the limiting groove 530, and the first elastic member 63 can make the first abutting portion 24 and the second abutting portion 24a abut on the groove walls on opposite sides of the limiting groove 530.

[0109] In addition to the above-mentioned components, the output member 50 can further include a limiting portion 53, which is located on the side of the output gear 51 where the abutting portion 52 is located. The limiting portion 53 can be provided with a limiting groove 530, and the first abutting portion 24 and the second abutting portion 24a can be located in the limiting groove 530. When one of the first pawl 20 and the second pawl 20a, for example, the first abutting portion 24 of the first pawl 20, is disengaged from the first ratchet wheel 10, the first abutting portion 24 moves away from the groove wall and approaches the second abutting portion 24a, and then the first pawl 20 can be restored by the first elastic member 63 sliding in the direction approaching the first ratchet wheel 10. In the process of sliding, the first abutting portion 24 of the first pawl 20 can abut on the groove wall of the limiting groove 530, thereby preventing the first pawl 20 from continuing to slide.

[0110] In summary, by setting the limiting portion 53 and the limiting groove 530, the position of the first pawl 20 and the second pawl 20a during restoration can be limited, resulting in the same position of the first pawl 20 and the second pawl 20a at the initial state each time.

[0111] Please refer to Figures 17-18 , Figure 17 It is an exploded view of the rotating member, the bracket, the swinging member, the second elastic member, and the driven member in an embodiment of the present application. Figure 18 It is an exploded view of the rotating member, the bracket, the swinging member, the second elastic member, and the driven member in an embodiment of the present application. Figure 17 It is an exploded view of the rotating member, the bracket, the swinging member, the second elastic member, and the driven member in an embodiment of the present application. In the embodiment, the rotating member 30 has a fourth through hole 31, the driving mechanism 1 further includes a bracket 70 and a swinging member 72 located in the fourth through hole 31, the swinging member 72 is rotationally connected to the bracket 70, and the rotating member 30 can drive the swinging member 72 to rotate relative to the bracket 70. The driven member 40 includes a base 42, the driven portion 41 located on one side of the base 42, and a rotating shaft 43 located on the other side of the base 42, and the swinging member 72 can be connected to or separated from the rotating shaft 43.

[0112] When the swing member 72 is separated from the rotating shaft 43, the driven member 40 is in the free state. When the swing member 72 is engaged with the rotating shaft 43 under the drive of the rotating member 30, the rotating member 30 can drive the bracket 70, the swing member 72, and the driven member 40 to rotate synchronously, so that the driven member 40 is in the synchronous state.

[0113] The rotating member 30 has a fourth through hole 31, so the swing member 72 has a ring structure. The drive mechanism 1 also includes a bracket 70 and the swing member 72 disposed in the fourth through hole 31, further making the drive mechanism 1 more compact. The bracket 70, swing member 72, and other components can be collectively referred to as the swing assembly. The bracket 70 is mainly used to mount the swing member 72 and other components in the swing assembly. The swing member 72 is rotatably connected to the bracket 70 so that the swing member 72 can swing relative to the bracket 70. The inner wall of the rotating member 30 has a fifth linkage part 32, and the side of the swing member 72 near the inner wall has a fourth linkage part 73. The fifth linkage part 32 and the fourth linkage part 73 cooperate to allow the rotating member 30 to drive the swing member 72 to rotate relative to the bracket 70. Optionally, the fifth linkage part 32 can be one of a groove and a protrusion, and the fourth linkage part 73 can be the other of a groove and a protrusion. In this embodiment, only the fifth linkage part 32 is a groove and the fourth linkage part 73 is a protrusion for illustrative purposes. Furthermore, the swing member 72 has two first locking portions 74 on opposite sides, which are located on opposite sides of the fifth linkage part 32. Optionally, the bracket 70 has a fifth through hole 71.

[0114] In addition to the base 42 and the driven part 41, the driven member 40 is also provided with a rotating shaft 43. The rotating shaft 43 is located on the side of the base 42 away from the driven part 41, and is located in the fifth through hole 71 and is correspondingly arranged with the swing member 72. The outer periphery of the rotating shaft 43 is provided with a second locking part 44. When the swing member 72 swings, the first locking part 74 and the second locking part 44 engage or disengage.

[0115] In summary, when the rotating member 30 is not rotating, the first engaging portion 74 and the second engaging portion 44 of the swing member 72 can be separated. In other words, the rotating member 30 and the driven member 40 are not connected through the swing member 72. Therefore, the driven member 40 can rotate independently relative to the rotating member 30 without driving the rotating member 30 to rotate. At this time, the driven member 40 is in a free state. However, when the rotating member 30 rotates, the fifth linkage portion 32 and the fourth linkage portion 73 can cooperate to drive the swing member 72 to swing relative to the bracket 70, thereby causing the first engaging portion 74 to engage with the second engaging portion 44. At this time, the rotating member 30 is connected to the driven member 40 through the swing member 72. Subsequently, the rotating member 30 can drive the driven member 40 to rotate together, and at the same time, the swing member 72 and the bracket 70 can rotate together. At this time, the driven member 40 is in a synchronized state.

[0116] In summary, the present embodiment can make the driven member 40 achieve the above-mentioned free state and synchronous state through the bracket 70 and the swing member 72.

[0117] Optionally, the first clamping part 74 can be one of a groove and a protrusion, and the second clamping part 44 can be the other one of the groove and the protrusion. The present embodiment only takes the first clamping part 74 as a protrusion and the second clamping part 44 as a groove for illustrative purposes.

[0118] Optionally, the number of the swing members 72 can be one or multiple. The present embodiment only takes the swing members 72 as three for illustrative purposes. Through the multi-swing member 72 structure, multiple points are simultaneously stressed, the clamping is more stable, the clamping effect can be improved, and the movement is more stable.

[0119] In the present embodiment, the swing assembly further includes a second elastic member 75 arranged on the bracket 70. When the swing members 72 are multiple, the opposite two ends of the second elastic member 75 abut against the first clamping parts 74 on different sides of two swing members 72, respectively. When the rotating member 30 rotates, the swing members 72 are driven to rotate relative to the bracket 70, and the second elastic member 75 is in a deformed state. When the rotating member 30 rotates back, the second elastic member 75 in the deformed state can make the swing members 72 swing reversely to reset.

[0120] Optionally, the second elastic member 75 is in a whole "W" shape, the middle region of which is arranged on the bracket 70, and one side of the "W" shape structure abuts against the first clamping part 74 on one side of one swing member 72, and the other side of the "W" shape structure abuts against the first clamping part 74 on the other side of the other swing member 72. Further optionally, the opposite two sides of the "W" shape structure are further bent with contact parts 750 for contacting the swing members 72.

[0121] In the related art, when the rotating member 30 drives the swing members 72 to rotate, since the swing members 72 are rotationally connected to the bracket 70, there is a friction force or other resistance between the swing members 72 and the bracket 70. Therefore, it is possible that the swing members 72 not only drive the swing members 72 to rotate, but also drive the bracket 70 to rotate synchronously. In this way, the swing members 72 cannot rotate relative to the bracket 70, so that the swing members 72 cannot clamp the driven member 40 to drive the driven member 40 to rotate, resulting in clutch failure. Therefore, please refer to Figures 19-21 , Figure 19 It is a perspective view of a door lock in an embodiment of the present application. Figure 20 It is an exploded view of a door lock in an embodiment of the present application. Figure 21 It is Figure 20The other perspective of the door lock is shown. In this embodiment, the bracket 70 is used to generate friction between the housing 80 of the door lock 2. It is understood that the bracket 70 and the housing 80 can generate friction in various ways. Alternatively, in one embodiment, one of the bracket 70 and the housing 80 is provided with a magnetic member 81, and the other is made of a magnetic material such as iron, cobalt or nickel. In this way, the bracket 70 is magnetically connected to the housing 80 by the magnetic member 81. This embodiment is only adapted to illustrate that the housing 80 is provided with the magnetic member 81. Further alternatively, the magnetic member 81 is provided in a plurality of numbers, and the plurality of magnetic members 81 are arranged on one side of the bracket 70 in an axial direction. In another embodiment, an elastic member can be provided between the bracket 70 and the housing 80, and the elastic member is in a compressed state. The elastic member in the compressed state provides the bracket 70 and the housing 80 with an elastic force, i.e. a positive pressure. The increase of the positive pressure also increases the friction between the bracket 70 and the housing 80. Therefore, the friction can be increased by increasing the positive pressure by providing the elastic member.

[0122] The presence of the magnetic force increases the friction between the bracket 70 and the housing 80, and the force generated by the friction at the rotating position between the swing member 72 and the bracket 70 is smaller than the magnetic force. Therefore, the swing member 72 only rotates relative to the bracket 70, and the bracket 70 and the housing 80 are fixed by the magnetic force. However, when the swing member 72 rotates to engage the first clamping portion with the second clamping portion, the torsion of the rotating member 30 is greater than the magnetic force when the rotating member 30 continues to rotate. Therefore, the rotating member 30 drives the swing member 72, the bracket 70 provided on the swing member 72 and other swing components to rotate synchronously with the driven member 40.

[0123] In summary, the embodiment avoids the problem of clutch failure by magnetically connecting the bracket 70 and the housing 80, so that the rotating member 30 can smoothly drive the driven member 40 to rotate, thereby achieving the purpose of unlocking and locking.

[0124] Please refer to Figures 10-21 The door lock 2 provided by the embodiment includes a housing 80, a motor 62 and a drive mechanism 1 provided by the above-mentioned embodiments of the present application. The drive mechanism 1 and the motor 62 are both arranged in the housing 80. The motor 62 is connected to the first ratchet 10 and the second ratchet 10a of the drive mechanism 1, and is used to rotate the first ratchet 10 and the second ratchet 10a.

[0125] The door lock 2 mainly comprises a housing 80, a motor 62, a driving mechanism 1 and other transmission structures. The motor 62 and the driving mechanism 1 can be arranged on the housing 80, and part of the motor 62 can be arranged outside the housing 80. The motor 62 can be connected with the first ratchet wheel 10 and the second ratchet wheel 10a through the worm 61 and the worm wheel 60, and drive the first ratchet wheel 10 and the second ratchet wheel 10a to rotate. For example, when the motor 62 rotates forward, the worm wheel 60 reversely rotates to drive the first ratchet wheel 10 and the second ratchet wheel 10a to synchronously reverse, thereby completing subsequent movement.

[0126] Optionally, the door lock 2 further comprises an open gear 82 and a gear assembly 83. A user can drive the open gear 82 to rotate through a key or a handle. The open gear 82 is connected with the gear assembly 83, and the gear assembly 83 is further connected with the rotating member 30. Therefore, the user can drive the rotating member 30 to rotate through a manual method. In this way, when the motor 62 or other components abnormally occurs, for example, the motor 62 is damaged, the controller is damaged, power failure or other reasons cause the transmission of the first ratchet wheel 10 and the second ratchet wheel 10a to stop, and the rotation stops, the user can still drive the rotating member 30 to rotate through a manual method, and finally the output member 50 can still rotate. In the process of movement, the first ratchet wheel 10 and the second ratchet wheel 10a do not need to rotate, the motor 62 does not need to be returned to drive, the force required to drive the rotating member 30 is reduced, and the difficulty of opening and closing the lock is reduced.

[0127] In the description of the present application, it should be understood that the orientations or positional relationships indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0128] In addition, the terms "first" and "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined as "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited. In addition, the terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusion.

[0129] In this application, unless otherwise clearly indicated and limited, the terms "mounting", "connection", "connecting", "fixing" and the like should be interpreted broadly, for example, can be connected, can be detachable connection, or integrated. It can be a mechanical connection, or an electrical connection. It can be directly connected, or indirectly connected through an intermediate medium, it can be the internal communication of two elements or the interaction relationship of two elements. For those skilled in the art, the specific meaning of the above terms in this application can be understood according to the specific circumstances.

[0130] The above provides the content provided by the embodiments of the application, the principles and the implementation of the application are described and explained, and these explanations are only used to help understand the method of the application and its core idea. However, the content of the specification should not be understood as a limitation of the application, and those skilled in the art can make various modifications and changes to the application without departing from the spirit and scope of the application. These modifications and changes of the application belong to the scope of the claims of the application and its equivalent technologies.

Claims

1. A driving mechanism, characterized in that, include: A first ratchet and a second ratchet, both of which are capable of rotation; A first pawl and a second pawl, wherein the first pawl can engage or disengage with the first ratchet, and the second pawl can engage or disengage with the second ratchet; A rotating component, which is capable of rotation; The driven member has a free state that rotates independently relative to the rotating member, and a synchronized state that rotates synchronously with the rotating member. The driven member is eccentrically provided with a driven part, which is clamped between the first pawl and the second pawl. as well as An output component, which can abut against the driven part and rotate under the drive of the driven part; When the first ratchet and the second ratchet rotate, one of the first pawl and the second pawl can separate from the corresponding first or second ratchet and can separate from the driven part. The other of the first pawl and the second pawl can rotate synchronously with the corresponding first or second ratchet. The other of the first pawl and the second pawl can drive the driven member with the driven part to rotate, and the driven part can abut against the output member and one of the first pawl and the second pawl, thereby driving the output member to rotate. The driven member is in the free state. When the rotating member rotates, it can drive the driven part of the driven member to rotate, thereby putting the driven member in the synchronous state. The driven part can drive one of the first pawl and the second pawl to separate from the corresponding first ratchet or the second ratchet, and the other of the first pawl and the second pawl can rotate relative to the corresponding first ratchet or the second ratchet. The driven part can also abut against the output member and drive the output member to rotate.

2. The driving mechanism as described in claim 1, characterized in that, One end of the first pawl is provided with a first engaging part, and the other end is provided with a first clamping part. The first engaging part can engage with the first ratchet, and the first clamping part clamps the driven part on the side away from the first engaging part. One end of the second pawl is provided with a second engagement portion, and the other end is provided with a second clamping portion. The second engagement portion can engage with the second ratchet, and the second clamping portion clamps the driven portion on the side away from the second engagement portion.

3. The driving mechanism as described in claim 2, characterized in that, The first ratchet is stacked on one side of the second ratchet along the axial direction of the second ratchet, and the first ratchet and the second ratchet rotate in the same direction. The first ratchet has a first through hole, and the second ratchet has a second through hole. The first pawl and the second pawl are both disposed in the first through hole and the second through hole. The inner wall of the first ratchet is provided with a plurality of first teeth that can engage with the first meshing part, and the inner wall of the second ratchet is provided with second teeth that can engage with the second meshing part. The opening directions of the first teeth and the second teeth are opposite. Specifically, when the first ratchet rotates in the first direction, it can cause the first meshing part to separate from the first tooth; when the first ratchet rotates in the second direction opposite to the first direction, it can drive the first pawl to rotate synchronously; when the first pawl rotates in the first direction, it can drive the first ratchet to rotate synchronously; when the first pawl rotates in the second direction, it can rotate relative to the first ratchet and slip. When the second ratchet rotates in the first direction, it can drive the second pawl to rotate synchronously. When the second ratchet rotates in the second direction, it can cause the second meshing part to separate from the second tooth. When the second pawl rotates in the first direction, it can rotate relative to the second ratchet and slip. When the second pawl rotates in the second direction, it can drive the second ratchet to rotate synchronously.

4. The driving mechanism as described in claim 1, characterized in that, The driving mechanism further includes a worm gear, which cooperates with a worm on a motor to drive the worm gear to rotate. The worm gear has a third through hole, and the first ratchet and the second ratchet are both disposed in the third through hole. The inner wall of the worm gear is provided with a first linkage part, the outer wall of the first ratchet is provided with a second linkage part, and the outer wall of the second ratchet is provided with a third linkage part. The first linkage part cooperates with the second linkage part and the third linkage part respectively, so that when the worm gear rotates, it drives the first ratchet and the second ratchet to rotate synchronously.

5. The driving mechanism as described in claim 2, characterized in that, The first pawl includes a first body and a first engaging portion and a first clamping portion connected to the first body. The second pawl includes a second body and a second engaging portion and a second clamping portion connected to the second body. The driven member includes a base and a driven portion disposed on one side of the base. The first body and the second body abut against the base. The first clamping portion and the second clamping portion are stacked on the base.

6. The driving mechanism as described in claim 2, characterized in that, The output component has an abutment portion on one side, and the first clamping portion and the second clamping portion are stacked on the abutment portion. The abutment portion has an abutment groove, and the driven portion is disposed in the abutment groove. When the first ratchet and the second ratchet rotate, the other of the first pawl and the second pawl can drive the driven member with the driven part to rotate. The driven part abuts against and drives the first pawl and the second pawl to continue moving away from the corresponding first ratchet or second ratchet until the driven part abuts against the groove wall of the abutting groove. Then the driven part drives the output member with the abutting part to rotate. When the rotating member drives the driven member to rotate, the driven member drives one of the first pawl and the second pawl to separate from the corresponding first ratchet or the second ratchet and abut against the groove wall of the abutment groove. It can also drive the other of the first pawl and the second pawl to rotate relative to the corresponding first ratchet or the second ratchet. Subsequently, the driven member drives the output member with the abutment part to rotate.

7. The driving mechanism as described in claim 1, characterized in that, The first pawl is further provided with a first abutting part, and the second pawl is further provided with a second abutting part. The driving mechanism is further provided with a first elastic member abutting between the first abutting part and the second abutting part. When one of the first pawl and the second pawl is separated from the corresponding first ratchet or the second ratchet, the first elastic member is compressed. The first elastic member is used to make one of the first pawl and the second pawl engage with the corresponding first ratchet or the second ratchet.

8. The driving mechanism as described in claim 7, characterized in that, The output component has a limiting part protruding on one side, and the limiting part has a limiting groove. The first abutting part and the second abutting part are disposed in the limiting groove. The first elastic member can make the first abutting part and the second abutting part abut against the groove walls on opposite sides of the limiting groove respectively.

9. The driving mechanism as described in claim 1, characterized in that, The rotating member has a fourth through hole, and the driving mechanism further includes a bracket and a swing member disposed in the fourth through hole. The swing member is rotatably connected to the bracket, and the rotating member can drive the swing member to rotate relative to the bracket. The driven member includes a base, a driven part disposed on one side of the base, and a rotating shaft disposed on the other side of the base. The swing member can be engaged with or disengaged from the rotating shaft. When the swinging member is separated from the rotating shaft, the driven member is in the free state. When the swinging member is engaged with the rotating shaft under the drive of the rotating member, the rotating member can drive the bracket, the swinging member, and the driven member to rotate synchronously, so that the driven member is in the synchronous state.

10. A door lock, characterized in that, The device includes a housing, a motor, and a drive mechanism as described in any one of claims 1-9, wherein the drive mechanism and the motor are both mounted on the housing, the motor is connected to a first ratchet and a second ratchet of the drive mechanism, and the motor is used to rotate the first ratchet and the second ratchet.

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