Electronic lock with clutch-type unlocking mechanism

Abstract

The application discloses an electronic lock with a clutch type unlocking mechanism, which comprises a shell, a transmission device and a driving device, the transmission device is provided with an axially slidable clutch member, an output device is connected to the transmission device in a clutch type, a lock rod is connected to the output device and is driven by the output device to reciprocate between an unlocking position and a locking position, and an unlocking device, the unlocking device comprises a pushing member with a cam structure and an unlocking gear with a half gear structure, when the unlocking device rotates towards a first direction, the cam structure pushes the clutch member to separate from the output device, and the half gear structure is connected to the output device to drive the lock rod to move to the unlocking position. According to the electronic lock with the clutch type unlocking mechanism, the transmission structure is stable and reliable, and the structure is compact; and when the lock rod is driven by the driving device to reciprocate between the unlocking position and the locking position under the normal condition of the electronic lock, the unlocking device does not rotate.

Description

Technical Field

[0001] This invention relates to the field of lock technology, and more specifically, to an electronic lock with a clutch-type unlocking mechanism. Background Technology

[0002] With environmental and energy issues escalating globally, energy-saving and environmentally friendly new energy vehicles have become an inevitable trend in the automotive industry. The construction of charging stations and charging safety are key factors influencing the development of new energy vehicles. To prevent the charging gun from detaching from the vehicle during use and to protect the safety of the owner, the charging gun is equipped with an electronic lock that engages after insertion into the charging socket. When the charging gun is inserted, the locking lever extends and engages, securing the connection and preventing accidental detachment. After charging is complete (or when the charging gun needs to be removed), the locking lever automatically retracts, allowing the charging gun to be removed. If manual unlocking is required, the locking lever must be manually moved or pulled to retract it, allowing the charging gun to be removed from the charging socket. Traditional charging gun electronic locks require excessive force for manual unlocking, or the unlocking device may rotate continuously during locking and unlocking, significantly impacting product reliability and lifespan.

[0003] Therefore, how to provide a solution that can effectively reduce the unlocking force required for unlocking while preventing the unlocking device from constantly rotating forward and backward during normal use of the electronic lock has become a technical problem that urgently needs to be solved in this field. Summary of the Invention

[0004] One object of the present invention is to provide a new technical solution for an electronic lock with a clutch-type unlocking mechanism.

[0005] According to a first aspect of the present invention, an electronic lock having a clutch-type unlocking mechanism is provided, comprising a housing, wherein the housing has:

[0006] Drive unit;

[0007] A transmission device, wherein the transmission device is connected to the drive device, and the transmission device is provided with an axially sliding clutch component;

[0008] An output device, wherein the output device is clutch-connected to the transmission device via the clutch member;

[0009] A locking lever, which is connected to the output device and driven by the output device to reciprocate between an unlocked position and a locked position;

[0010] An unlocking device includes a pushing member with a cam structure and an unlocking gear with a half-gear structure arranged sequentially along its axial direction. When the unlocking device rotates in a first direction, the cam structure pushes the clutch member to disengage from the output device, and the half-gear structure is driven to the output device to drive the locking lever to move to the unlocking position.

[0011] Optionally, the pushing member is coaxially arranged with the unlocking device, and the cam structure is arranged on one side of the pushing member facing the clutch member; the cam structure includes a first end face, a second inclined surface, and a third end face that can sequentially contact the clutch member, the third end face is higher than the first end face, and the first end face transitions to the third end face via the second inclined surface. When the pushing member rotates, the clutch member is pushed from the first end face to the third end face and generates axial displacement, thereby disengaging from the output device.

[0012] Optionally, the half-gear structure is coaxially arranged with the unlocking device. When the third end face contacts the clutch member, the clutch member disengages from the output device, and the gear part of the half-gear structure meshes and drives the output gear of the output device to rotate, thereby moving the locking rod to the unlocking position.

[0013] Optionally, the unlocking device is radially provided with a protruding limiting member, and the housing is provided with a limiting rib. When the third end face contacts the clutch member and the locking rod moves to the unlocking position, the limiting member abuts against the limiting rib.

[0014] Optionally, the outer periphery of the clutch component is provided with a radially protruding reset drive gear, and the outer periphery of the unlocking device is provided with a radially protruding reset transmission gear. When the third end face contacts the clutch component and the locking rod is in the unlocking position, the reset drive gear meshes with the reset transmission gear, driving the transmission device to the unlocking device, so as to drive the unlocking gear to rotate in a second direction opposite to the first direction, thereby driving the output gear of the output device to rotate, and the output gear drives the locking rod to move to the locking position.

[0015] Optionally, the reset drive gear is partially disposed along the circumferential direction of the clutch member; the reset transmission gear is partially disposed along the circumferential direction of the unlocking device, and the reset drive gear meshes with the reset transmission gear when the third end face contacts the clutch member.

[0016] Optionally, the reset transmission gear and the unlocking gear are located on both sides of the pushing member.

[0017] Optionally, the clutch component has a through keyway, and the output end of the transmission device has a first key shaft that matches the keyway. The keyway is sleeved on the first key shaft and can slide on the first key shaft.

[0018] Optionally, the output device includes a second key shaft and an output gear that are coaxially spaced apart, wherein the second key shaft is matched and connected to the keyway.

[0019] Optionally, the second key shaft is provided with a guide portion on the side near the transmission device, and the radial cross-sectional area of ​​the key teeth located in the guide portion gradually decreases toward the end near the transmission device.

[0020] Optionally, a return spring is provided between the transmission device and the clutch component. When the return spring is in its natural state, the clutch component contacts the first end face of the push component to connect the transmission device and the output device, so that the keyway connects the first key shaft and the second key shaft simultaneously.

[0021] Optionally, the keyway, the first key shaft, and the second key shaft are all splines.

[0022] Optionally, the reset spring is a compression spring and is sleeved on the outer periphery of the first key shaft of the transmission device.

[0023] Optionally, the transmission device includes a transmission shaft and a transmission gear arranged coaxially, and the drive device includes a drive mechanism and a drive worm. The transmission gear meshes with the drive worm, thereby transmitting the rotation of the drive mechanism to the transmission shaft.

[0024] Optionally, the transmission device further includes a steering assembly, which includes a steering worm wheel and a steering worm that are coaxial and spaced apart, the steering worm wheel meshing with the drive worm, and the steering worm meshing with the transmission gear.

[0025] Optionally, the electronic lock further includes a hand crank component, which includes a rotating shaft, a turntable, and an eccentric crank handle. The rotating shaft and the eccentric crank handle are respectively connected to the two side surfaces of the turntable. The rotating shaft enters the housing through an unlocking through hole provided in the housing and is detachably connected to the unlocking device. The turntable is located on the outside of the housing.

[0026] Optionally, the locking rod is provided with a rack, and the output device has an output gear that meshes with the rack.

[0027] An electronic lock with a clutch-type unlocking mechanism according to this disclosure has the following beneficial effects:

[0028] 1. By rotating the unlocking device in the first direction, the cam structure of the pushing component pushes the clutch component to disengage from the output device, so that the movement of the output device within the housing is not restricted by the driving device and the transmission device. After the clutch component disengages from the output device, the unlocking device is further rotated, the unlocking gear connects to the output device and drives the output device to move. The movement of the output device drives the locking rod to move to the unlock position. It has the advantages of requiring less force for manual unlocking and being convenient for manual unlocking.

[0029] 2. By setting up an unlocking device, the application of the structure of connecting the locking rod with a spring in conventional electronic lock housings can be eliminated, reducing the number of parts in the electronic lock, reducing the assembly time of the electronic lock, and extending the service life of the electronic lock; at the same time, since the unlocking device, output device and locking rod all have fixed positions in the housing, the transmission structure between the three has the advantages of stable and reliable transmission and compact structure.

[0030] 3. Under normal circumstances, when the electronic lock is driven by the drive device to move the lock bar back and forth between the unlock position and the locked position, the unlocking device does not rotate.

[0031] Other features and advantages of the invention will become clear from the following detailed description of exemplary embodiments of the invention with reference to the accompanying drawings. Attached Figure Description

[0032] The accompanying drawings, which are incorporated in and form part of this specification, illustrate embodiments of the invention and, together with their description, serve to explain the principles of the invention.

[0033] Figure 1 This is a schematic diagram of the overall structure of an electronic lock with a clutch-type unlocking mechanism according to a preferred embodiment of the present invention;

[0034] Figure 2 This is a schematic diagram of the internal structure of an electronic lock housing with a clutch-type unlocking mechanism according to a preferred embodiment of the present invention;

[0035] Figure 3 This is a schematic diagram of the disassembled structure of the transmission device, clutch component, and output device in an electronic lock with a clutch-type unlocking mechanism according to a preferred embodiment of the present invention.

[0036] Figure 4 This is a schematic diagram of the assembled hand-crank component and unlocking device in an electronic lock with a clutch-type unlocking mechanism according to a preferred embodiment of the present invention.

[0037] Figure 5 This is a schematic diagram of another overall structure of an electronic lock with a clutch-type unlocking mechanism according to a preferred embodiment of the present invention;

[0038] Figure 6 for Figure 5 Cross-sectional view of the EE section.

[0039] Figure 7 This is a schematic diagram of the assembly structure of the electronic lock transmission device and the unlocking device with a clutch-type unlocking mechanism in the housing according to a preferred embodiment of the present invention.

[0040] Figure 8 This is an exploded structural diagram of the unlocking device and the hand-cranked component with a clutch-type unlocking mechanism according to a preferred embodiment of the present invention.

[0041] Figure 9 This is a schematic diagram of the assembly structure of the transmission device with a clutch-type unlocking mechanism, clutch component, and output device according to a preferred embodiment of the present invention.

[0042] Figure 10 for Figure 9 Cross-sectional view at the FF section.

[0043] The diagram is marked as follows:

[0044] 101-Housing; 102-Drive device; 103-Transmission device; 104-Clutch component; 105-Output device; 106-Locking rod; 107-Pushing component; 108-Unlocking gear; 109-First end face; 110-Second inclined surface; 111-Third end face; 112-Limiting component; 113-Limiting rib; 114-Additional limiting component; 115-Additional limiting rib; 116-Reset drive gear; 117-Reset transmission gear; 118-Keyway; 119-First key shaft; 120-Second key shaft; 121-Output Gear; 122-Guide section; 123-Return spring; 124-Transmission gear; 125-Drive mechanism; 126-Drive worm; 127-Steering assembly; 128-Steering worm wheel; 129-Steering worm; 130-Hand crank component; 131-Shaft; 132-Turntable; 133-Eccentric crank handle; 134-Rack; 135-Positioning shaft; 136-Positioning cavity; 137-Limiting flange; 138-Unlocking device; 139-Limiting surface; 140-First seal; 141-Second seal; 142-Annular component;

[0045] A - First locus; B - Second locus; C - Third locus;

[0046] R1 - First direction; R2 - Second direction. Detailed Implementation

[0047] Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that, unless otherwise specifically stated, the relative arrangement, numerical expressions, and values ​​of the components and steps set forth in these embodiments do not limit the scope of the invention.

[0048] The following description of at least one exemplary embodiment is merely illustrative and is in no way intended to limit the invention or its application or use.

[0049] Techniques, methods, and equipment known to those skilled in the art may not be discussed in detail, but where appropriate, such techniques, methods, and equipment should be considered part of the specification.

[0050] In all the examples shown and discussed herein, any specific values ​​should be interpreted as merely exemplary and not as limitations. Therefore, other examples of exemplary embodiments may have different values.

[0051] According to the present disclosure, an electronic lock with a clutch-type unlocking mechanism, such as Figures 1 to 8 As shown, it includes a housing 101, and the housing 101 has:

[0052] Drive unit 102;

[0053] A transmission device 103 is connected to the drive device 102, and a clutch component 104 that can slide axially is provided on the transmission device 103.

[0054] Output device 105, which is connected to transmission device 103 in a clutch manner via clutch member 104;

[0055] Locking rod 106 is connected to the output device 105 and is driven by the output device 105 to reciprocate between the unlocked position and the locked position;

[0056] The unlocking device 138 includes a pusher member 107 with a cam structure and an unlocking gear 108 with a half-gear structure arranged sequentially along its axial direction. When the unlocking device 138 rotates toward the first direction R1, the cam structure pushes the clutch member 104 to disengage from the output device 105, and the half-gear structure is driven to the output device 105 to drive the locking rod 106 to move to the unlock position.

[0057] By rotating the unlocking device 138 in the first direction R1, the cam structure of the pushing component 107 pushes the clutch component 104 to disengage from the output device 105, so that the movement of the output device 105 within the housing 101 is not restricted by the driving device 102 and the transmission device 103. After the clutch component 104 disengages from the output device 105, the unlocking device 138 is further rotated, the unlocking gear 108 connects to the output device 105 and drives the output device 105 to rotate. The rotation of the output device 105 drives the locking rod 106 to move to the unlock position, which has the advantages of low force required for manual unlocking and convenient manual unlocking.

[0058] By setting the unlocking device 138, the structure of connecting the locking rod 106 by a spring in the conventional electronic lock housing 101 can be eliminated, reducing the number of parts in the electronic lock, reducing the assembly time of the electronic lock, and extending the service life of the electronic lock; at the same time, since the unlocking device 138, the output device 105 and the locking rod 106 all have fixed positions in the housing 101, the three have the advantages of stable and reliable transmission structure and compact structure.

[0059] In a specific implementation, the locking rod 106 extends to the outside of the housing 101 through the locking rod through hole, and a first sealing element 140 is provided between the locking rod 106 and the locking rod through hole to prevent water or impurities from entering the housing 101 through the locking rod through hole.

[0060] According to an embodiment of an electronic lock with a clutch-type unlocking mechanism disclosed herein, such as Figure 2 and Figure 4 As shown, the pushing member 107 is coaxially arranged with the unlocking device 138, and the cam structure is arranged on one side of the pushing member 107 facing the clutch member 104. The cam structure includes a first end face 109, a second inclined surface 110, and a third end face 111 that can sequentially contact the clutch member 104. The third end face 111 is higher than the first end face 109, and the first end face 109 transitions to the third end face 111 via the second inclined surface 110. When the pushing member 107 rotates, the clutch member 104 is pushed from the first end face 109 to the third end face 111 and generates axial displacement, thereby disengaging from the output device 105.

[0061] When the first end face 109 contacts the clutch component 104, the transmission device 103 connects to the output device 105 in the optimal position via the clutch component 104 to ensure that the drive device 102 drives the transmission device 103 to rotate the output device 105, thereby driving the locking rod 106 to reciprocate between the unlocking position and the locking position. At the same time, when the electronic lock is in normal use, the unlocking device 138 does not rotate when the lock rod 106 is driven to reciprocate between the unlocking position and the locking position by the drive device 102.

[0062] In specific implementation, the third end face 111 has a first point A and a second point B. The first point A is closer to the second inclined surface 110 than the second point B. When the clutch member 104 contacts the first point A, the locking rod 106 is in the locked position. When the clutch member 104 contacts the second point B, the locking rod 106 is in the unlocked position. The third end face 111 also has a third point C located between the first point A and the second point B. When the clutch member 104 contacts the position between the first point A and the third point C, the half gear structure of the unlocking gear 108 is not connected to the output gear 121 of the output device 105. When the clutch member 104 contacts the third point C, the half gear structure of the unlocking gear 108 will begin to mesh with the output gear 121 of the output device 105, and drive the output gear 121 between the third point C and the second point B to drive the locking rod 106 to reset to the unlocked position.

[0063] When the electronic lock cannot be unlocked through the normal procedure, the unlocking device 138 is manually rotated. This causes the pushing member 107 to push the clutch member 104 through the second inclined surface 110 to contact the third end face 111. When the clutch member 104 contacts the third end face 111, it completely disengages from the output device 105. The rotation of the output device 105 is no longer restricted by the driving device 102 and the transmission device 103. Continuing to rotate the unlocking device 138 causes the half-gear structure of the unlocking gear 108 to mesh with the output gear 121 of the output device 105, driving the output gear 121 to rotate. This, in turn, moves the locking rod 106, which meshes with the output gear 121, to the unlocked position. Manual unlocking using the rotating unlocking device 138 has the advantages of requiring less force and being convenient.

[0064] Specifically, such as Figure 1 , Figure 2 , Figure 5 and Figure 7 As shown, the half-gear structure is coaxially arranged with the unlocking device 138. When the third end face 111 contacts the clutch member 104, the clutch member 104 disengages from the output device 105, and the gear part of the half-gear structure meshes and drives the output gear 121 of the output device 105, driving the output gear 121 to rotate and move the locking rod 106 to the unlocking position.

[0065] The clutch component 104 disengages from the output device 105 so that the rotation of the output device 105 is not restricted by the transmission device 103 and the drive device 102. The output gear 121 is driven by the unlocking device 138, and then the output gear 121 drives the locking rod 106 to move to the unlock position. It has the advantages of requiring less force for manual unlocking and being convenient for operators.

[0066] More specifically, such as Figure 4 and Figure 5 As shown, the unlocking device 138 is radially provided with a protruding limiting member 112, and the housing 101 is provided with a limiting rib 113. When the third end face 111 contacts the clutch member 104 and the locking rod 106 moves to the unlocking position, the limiting member 112 abuts against the limiting rib 113.

[0067] By setting the limiting member 112 and the limiting rib 113, the locking rod 106 is kept in the unlocked position, and the reset transmission gear 117 is positioned so that it can be engaged by the reset drive gear 116.

[0068] More specifically, such as Figures 4-7 As shown, the unlocking device 138 is radially provided with a protruding additional limiting member 114, and the housing 101 is provided with an additional limiting rib 115. When the clutch member 104 is reset to the first end face 109 via the second inclined surface 110, the additional limiting member 114 abuts against the additional limiting rib 115. The additional limiting rib 115 and the limiting rib 113 are located on opposite sides of the axial direction of the unlocking device 138.

[0069] By setting additional limiting member 114 and additional limiting rib 115, the unlocking device 138 can be prevented from rotating further in the second direction R2, and the unlocking gear 108 can be prevented from interfering with other structures in the housing 101 and being damaged, so that the unlocking gear 108 can rotate within a predetermined space in the housing 101.

[0070] When the limiting rib 113 rotates in the first direction R1 and the second direction R2, it does not interfere with the pushing member 107.

[0071] Specifically, such as Figure 3 and Figure 4 As shown, the outer periphery of the clutch component 104 is provided with a radially protruding reset drive gear 116, and the outer periphery of the unlocking device 138 is provided with a radially protruding reset transmission gear 117. When the third end face 111 contacts the clutch component 104 and the locking rod 106 is in the unlocked position, the reset drive gear 116 meshes with the reset transmission gear 117, driving the transmission device 103 to be connected to the unlocking device 138, so as to drive the unlocking gear 108 to rotate in the second direction R2 opposite to the first direction R1, thereby driving the output gear 121 of the output device 105 to rotate, and the output gear 121 drives the locking rod 106 to move to the locked position.

[0072] When the clutch member 104 contacts the second point B of the third end face 111, the drive device 102 drives the transmission device 103 to rotate, thereby causing the reset drive gear 116 to mesh with the reset transmission gear 117 to rotate. During the process of the clutch member 104 moving from the second point B towards the third point C (i.e., in the second direction R2) and when the clutch member 104 reaches the third point C, the locking lever 106 just moves to the locked position and the unlocking gear 108 just disengages from the output device 105. Therefore, when the clutch member 104 rotates between the third point C and the first point A, the unlocking device 102... The rotation of the 138 is not restricted by the output device 105 and the locking lever 106. During the process of the reset drive gear 116 further driving the reset transmission gear 117 to rotate, the drive member 107 is driven to rotate, so that the clutch member 104 slides past the third point C and the first point A in sequence, and enters the second inclined surface 110 to engage with the output device 105. Under the drive of the reset spring 123, the clutch member 104 resets to contact the first end face 109. At this time, the reset drive gear 116 disengages from the reset transmission gear 117, and the rotation of the transmission device 103 will not drive the unlocking device 138 to rotate.

[0073] More specifically, the reset drive gear 116 is partially disposed along the circumferential direction of the clutch member 104; the reset transmission gear 117 is partially disposed along the circumferential direction of the unlocking device 138, and the reset drive gear 116 meshes with the reset transmission gear 117 when the third end face 111 is in contact with the clutch member 104.

[0074] When the clutch component 104 moves on the third end face 111, the reset drive gear 116 can mesh with the reset transmission gear 117, which can make the structure of the electronic lock more compact and reduce the size of the electronic lock.

[0075] The number of teeth on the reset drive gear 116 and reset transmission gear 117 is not limited here, as long as the reset drive gear 116 engages with the reset transmission gear 117 when the clutch member 104 is located on the third end face 111. That is, the reset drive gear 116 engages with the reset transmission gear 117 throughout the entire contact process of the clutch member 104 with the third end face 111. When the clutch member 104 is in contact with the first end face 109 and the second inclined surface 110, the reset drive gear 116 does not engage with the reset transmission gear 117. The accompanying drawings only schematically show the reset drive gear 116 and reset transmission gear 117, and do not show the total number of teeth on the reset drive gear 116 and reset transmission gear 117.

[0076] In practice, the limiting member 112 and the limiting rib 113 are in contact to ensure that the reset transmission gear 117 faces the clutch member 104 side, so that during the process of the electronic lock moving the lock rod 106 to the locking position through the drive device 102, the reset drive gear 116 located on the clutch member 104 side can engage the reset transmission gear 117 during rotation.

[0077] More specifically, such as Figure 4 As shown, the reset transmission gear 117 and the unlocking gear 108 are located on opposite sides of the pushing member 107. The reset transmission gear 117 and the reset drive gear 116 can be located on the same side, and the output gear 121 and the unlocking gear 108 can be located on the same side, facilitating engagement of the unlocking gear 108 and the output gear 121 when the unlocking device 138 is rotated; during the process of moving the locking rod 106 to the locked position using the driving device 102, the reset transmission gear 117 and the reset drive gear 116 engage.

[0078] Specifically, such as Figure 3 As shown, the clutch component 104 has a through keyway 118, and the output end of the transmission device 103 has a first key shaft 119 that matches the keyway 118. The keyway 118 is sleeved on the first key shaft 119 and can slide on the first key shaft 119.

[0079] Through the cooperation of the keyway 118 and the first key shaft 119, the clutch component 104 can be slidably sleeved on the transmission device 103, and the clutch component 104 can rotate with the transmission device 103.

[0080] More specifically, such as Figure 3 As shown, the output device 105 includes a second key shaft 120 and an output gear 121 that are coaxially spaced apart. The second key shaft 120 is matched and connected to the keyway 118.

[0081] Through the cooperation of the keyway 118 and the second key shaft 120, the clutch component 104 can be disengaged and engaged to connect the output device 105. The clutch component 104 connects the transmission device 103 and the output device 105 into an integral structure, allowing the output device 105 to rotate with the transmission device 103. This allows the drive device 102 to drive the output device 105 to rotate via the drive transmission device 103, thereby driving the locking rod 106 to reciprocate between the unlocked position and the locked position.

[0082] More specifically, such as Figure 3 , Figure 9 and Figure 10As shown, a positioning shaft 135 with a circular cross-section protrudes outward from the end of the second key shaft 120, and a positioning cavity 136 matching the positioning shaft 135 is recessed inward from the end of the first key shaft 119. The positioning shaft 135 extends through the keyway 118 of the clutch member 104 and is inserted into the positioning cavity 136. In the state where the clutch member 104 is disengaged from the second key shaft 120, the positioning shaft 135 and the positioning cavity 136 are slidable relative to each other.

[0083] When the clutch component 104 is pushed by the return spring 123 and its keyway 118 slides on the first key shaft 119 to connect or disengage with the key teeth of the second key shaft 120, it serves to limit the radial displacement of any one of the three components: the first key shaft 119, the second key shaft 120, and the clutch component 104.

[0084] More specifically, such as Figure 3 As shown, the second key shaft 120 is provided with a guide portion 122 on the side near the transmission device 103, and the radial cross-sectional area of ​​the key teeth located in the guide portion 122 gradually decreases towards the end near the transmission device 103.

[0085] The guide portion 122 facilitates the engagement of the clutch member 104 with the second key shaft 120 to connect the output device 105, so that the output device 105 can rotate with the transmission device 103.

[0086] More specifically, such as Figure 3 As shown, a limiting flange 137 is provided on the side of the second key shaft 120 away from the transmission device 103, and a limiting surface 139 is provided on the end of the clutch member 104 near the output member. When the clutch member 104 is connected to the output device 105, the limiting flange 137 abuts against the limiting surface 139. This prevents the clutch member 104 from getting further closer to the output gear 121, thereby positioning the clutch member 104 at a predetermined position on the second key shaft 120. In other words, it prevents the clutch member 104 from being pushed away from its predetermined installation position and biased towards the output gear 121 due to excessive elasticity of the return spring 123 between the transmission device 103 and the clutch member 104.

[0087] More specifically, such as Figure 2 As shown, a return spring 123 is provided between the transmission device 103 and the clutch member 104. When the return spring 123 is in its natural state, the clutch member 104 contacts the first end face 109 of the push member 107 to connect the transmission device 103 and the output device 105, so that the keyway 118 simultaneously connects the first key shaft 119 and the second key shaft 120.

[0088] After the clutch component 104 enters the second end face from the third end face 111, a reset spring 123 can be set to push the clutch component 104 toward the output component to complete the engagement of the clutch component 104 with the second key shaft 120.

[0089] More specifically, such as Figure 3 As shown, the keyway 118, the first key shaft 119, and the second key shaft 120 are all splines.

[0090] The first key shaft 119 and the second key shaft 120 are splines, which can make the connection between the clutch component 104 and the first key shaft 119 and the second key shaft 120 more stable.

[0091] More specifically, the reset spring 123 is a compression spring and is sleeved on the outer periphery of the first key shaft 119 of the transmission device 103.

[0092] The compression spring is sleeved outside the first key shaft 119 of the transmission device 103, which can save assembly space and at the same time allow the compression spring to have optimal elastic force.

[0093] According to an embodiment of an electronic lock with a clutch-type unlocking mechanism disclosed herein, the transmission device 103 includes a transmission shaft and a transmission gear 124 coaxially arranged, and the drive device 102 includes a drive mechanism 125 and a drive worm gear 126. The transmission gear 124 meshes with the drive worm gear 126, thereby transmitting the rotation of the drive mechanism 125 to the transmission shaft.

[0094] The drive mechanism 125 can be a motor, with its output shaft connected to a drive worm 126. The transmission gear 124 can be a worm wheel structure. The drive worm 126 and the transmission gear 124 mesh, transmitting the motor's rotational output to the locking lever 106 via the transmission shaft (i.e., the first key shaft 119), the clutch member 104, and the output device 105. This drives the locking lever 106 to reciprocate between the locked and unlocked positions. A return spring 123 is disposed between the transmission gear 124 and the clutch member 104. One end of the return spring 123 is fixed to the transmission device 103, and the other end is fixed to the clutch member 104.

[0095] Specifically, such as Figure 1 and Figure 2 As shown, the transmission device 103 further includes a steering assembly 127, which includes a steering worm wheel 128 and a steering worm 129 that are coaxially arranged and spaced apart. The steering worm wheel 128 meshes with the drive worm 126, and the steering worm 129 meshes with the transmission gear 124.

[0096] The steering assembly 127 allows the drive unit 102 to be positioned optimally relative to the transmission unit 103 and the output unit 105, resulting in a compact internal structure for the electronic lock.

[0097] According to an embodiment of an electronic lock with a clutch-type unlocking mechanism disclosed herein, such as Figure 1 , Figure 2 , Figure 4 and Figure 8 As shown, the electronic lock also includes a hand crank component 130, which includes a rotating shaft 131, a turntable 132, and an eccentric crank handle 133. The rotating shaft 131 and the eccentric crank handle 133 are respectively connected to the two side surfaces of the turntable 132. The rotating shaft 131 enters the housing 101 through an unlocking through hole provided in the housing 101 and is detachably connected to the unlocking device 138. The turntable 132 is located on the outside of the housing 101.

[0098] like Figure 3 As shown, when the electronic lock cannot be opened normally due to an abnormality, manual unlocking is achieved by rotating the unlocking device 138 via the hand crank component 130. The eccentric crank handle 133 makes rotating the unlocking device 138 easier and less strenuous, and the turntable 132 limits the specific position of the hand crank component 130 relative to the unlocking device 138, facilitating the assembly of the electronic lock. The rotating shaft 131 is detachably connected to the unlocking device 138, which also simplifies the assembly of the electronic lock.

[0099] The outer peripheral wall of one free end of the unlocking device 138 is provided with at least one anti-rotation tooth 143. The rotating shaft 131 has a connecting cavity 145 with an opening at its free end. The inner peripheral wall of the connecting cavity 145 is provided with an anti-rotation groove 144 that matches the anti-rotation tooth 143. When there are multiple anti-rotation teeth 143, one of the multiple anti-rotation teeth 143 is significantly larger than the other anti-rotation teeth 143 to form a guide tooth 146. The multiple anti-rotation grooves 144 are provided with guide grooves 147 that match the guide tooth 146. The guide tooth 146 is aligned and inserted into the guide groove 147 to facilitate the insertion of the corresponding anti-rotation tooth 143 into the corresponding anti-rotation groove 144. This enables the hand crank component 130 to drive the unlocking device 138 to rotate coaxially, while also enabling the two to be detachably connected.

[0100] In specific implementation, such as Figure 5 As shown, an annular component 142 is provided on the outer side of the housing 101. The inner circumferential wall of the annular component 142 is provided with a receiving groove. The second sealing component 141 is matched and disposed in the receiving groove and is clamped between the bottom wall of the receiving groove and the rotating shaft 131 to prevent water or impurities from entering the housing 101 through the unlocking through hole.

[0101] According to an embodiment of an electronic lock with a clutch-type unlocking mechanism disclosed herein, the lock lever 106 is provided with a rack 134, and the output device 105 has an output gear 121, which meshes with the rack 134.

[0102] By engaging the rack 134 and the output gear 121, the locking lever 106 can move between the unlocked position and the locked position.

[0103] While specific embodiments of the invention have been described in detail by way of examples, those skilled in the art should understand that the examples are for illustrative purposes only and not intended to limit the scope of the invention. Those skilled in the art should understand that modifications can be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.

Claims

1. An electronic lock with a clutch-type unlocking mechanism, characterized in that, Includes a housing, the housing having: Drive unit; A transmission device, wherein the transmission device is connected to the drive device, and the transmission device is provided with an axially sliding clutch component; An output device, wherein the output device is clutch-connected to the transmission device via the clutch member; A locking lever, which is connected to the output device and driven by the output device to reciprocate between an unlocked position and a locked position; An unlocking device includes a pushing member with a cam structure and an unlocking gear with a half-gear structure arranged sequentially along its axial direction. When the unlocking device rotates toward a first direction, the cam structure pushes the clutch member to disengage from the output device, and the half-gear structure is driven to the output device to drive the locking lever to move to the unlocking position. The pushing member is coaxially arranged with the unlocking device, and the cam structure is arranged on one side of the pushing member facing the clutch member; the cam structure includes a first end face, a second inclined surface and a third end face that can sequentially contact the clutch member, the third end face is higher than the first end face, and the first end face transitions to the third end face via the second inclined surface. When the pushing member rotates, the clutch member is pushed from the first end face to the third end face and generates axial displacement, thereby disengaging from the output device; The half-gear structure is coaxially arranged with the unlocking device. When the third end face contacts the clutch member, the clutch member disengages from the output device, and the gear part of the half-gear structure meshes and drives the output gear of the output device to rotate, thereby moving the locking rod to the unlocking position.

2. The electronic lock with a clutch-type unlocking mechanism according to claim 1, characterized in that, The unlocking device is radially provided with a protruding limiting member, and the housing is provided with a limiting rib. When the third end face contacts the clutch member and the locking rod moves to the unlocking position, the limiting member abuts against the limiting rib.

3. The electronic lock with a clutch-type unlocking mechanism according to claim 1, characterized in that, The outer periphery of the clutch component is provided with a radially protruding reset drive gear, and the outer periphery of the unlocking device is provided with a radially protruding reset transmission gear. When the third end face contacts the clutch component and the locking rod is in the unlocking position, the reset drive gear meshes with the reset transmission gear, thereby driving the transmission device to the unlocking device to drive the unlocking gear to rotate in a second direction opposite to the first direction, thereby driving the output gear of the output device to rotate. The output gear drives the locking rod to move to the locking position.

4. The electronic lock with a clutch-type unlocking mechanism according to claim 3, characterized in that, The reset drive gear is partially disposed along the circumferential direction of the clutch member; the reset transmission gear is partially disposed along the circumferential direction of the unlocking device, and the reset drive gear meshes with the reset transmission gear when the third end face is in contact with the clutch member.

5. The electronic lock with a clutch-type unlocking mechanism according to claim 3, characterized in that, The reset transmission gear and the unlocking gear are located on both sides of the pushing member, respectively.

6. The electronic lock with a clutch-type unlocking mechanism according to claim 1, characterized in that, The clutch component has a through keyway, and the output end of the transmission device has a first key shaft that matches the keyway. The keyway is sleeved on the first key shaft and can slide on the first key shaft.

7. The electronic lock with a clutch-type unlocking mechanism according to claim 6, characterized in that, The output device includes a second key shaft and an output gear that are coaxially spaced apart, and the second key shaft is matched and connected to the keyway.

8. The electronic lock with a clutch-type unlocking mechanism according to claim 7, characterized in that, The second key shaft is provided with a guide portion on the side near the transmission device, and the radial cross-sectional area of ​​the key teeth located in the guide portion gradually decreases towards the end near the transmission device.

9. The electronic lock with a clutch-type unlocking mechanism according to claim 7, characterized in that, A return spring is provided between the transmission device and the clutch component. When the return spring is in its natural state, the clutch component contacts the first end face of the push component to connect the transmission device and the output device, so that the keyway connects the first key shaft and the second key shaft simultaneously.

10. The electronic lock with a clutch-type unlocking mechanism according to claim 7, characterized in that, The keyway, the first key shaft, and the second key shaft are all splines.

11. The electronic lock with a clutch-type unlocking mechanism according to claim 9, characterized in that, The reset spring is a compression spring and is sleeved on the outer periphery of the first key shaft of the transmission device.

12. The electronic lock with a clutch-type unlocking mechanism according to claim 1, characterized in that, The transmission device includes a coaxially arranged transmission shaft and transmission gear, and the driving device includes a driving mechanism and a driving worm. The transmission gear meshes with the driving worm, thereby transmitting the rotation of the driving mechanism to the transmission shaft.

13. The electronic lock with a clutch-type unlocking mechanism according to claim 12, characterized in that, The transmission device further includes a steering assembly, which includes a steering worm wheel and a steering worm gear arranged coaxially and spaced apart. The steering worm wheel meshes with the drive worm gear, and the steering worm gear meshes with the transmission gear.

14. The electronic lock with a clutch-type unlocking mechanism according to claim 1, characterized in that, The electronic lock also includes a hand crank component, which includes a rotating shaft, a turntable, and an eccentric crank handle. The rotating shaft and the eccentric crank handle are respectively connected to the two sides of the turntable. The rotating shaft enters the housing through an unlocking through hole provided in the housing and is detachably connected to the unlocking device. The turntable is located on the outside of the housing.

15. The electronic lock with a clutch-type unlocking mechanism according to claim 1, characterized in that, The locking rod is equipped with a rack, and the output device has an output gear that meshes with the rack.

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