Electronic lock with memory function

Abstract

The present application provides an electronic lock with memory function, which comprises a base, a lock tongue and a movable member. The lock tongue is movable between a first position and a second position. The movable member is movable between a third position and a fourth position. A first limiting member is movable together with the lock tongue between a fifth position and a sixth position. A second limiting member is driven by the movable member to move between a seventh position and an eighth position, so as to control the movement of the lock tongue and the first limiting member. A third limiting member is movable between a ninth position and a tenth position. The second limiting member is positioned at the eighth position, so that the lock tongue and the first limiting member are kept in a movable state. Thus, the present application can memorize the unlocking state after power-on until the next door opening operation is completed, so as to solve the problem that the user needs to re-unlock after unlocking for a period of time.

Description

Technical Field

[0001] This invention relates to electronic locks, and in particular to an electronic lock with a memory function that can remember the unlocking state. Background Technology

[0002] Traditional door locks typically use a keyhole and a corresponding key to lock the door. However, since keys are usually made of metal, they are inconvenient to carry and easy for thieves to crack, raising concerns about security. Therefore, with technological advancements, electronic locks, which are controlled by electricity, have become increasingly popular. Electronic locks can be unlocked using fingerprints, passwords, access cards, remote control, etc., eliminating the inconvenience of carrying keys. Furthermore, electronic locks are more difficult to crack than traditional door locks, thus improving security.

[0003] Many electronic lock products are already available on the market. For example, Taiwan's utility model patent M590622 discloses a general-purpose cathode lock, which mainly includes a cathode lock, a panel base, a panel, and a fixing member. The cathode lock includes a door stop base, a main base, a solenoid valve, a door stop block, and a door stop. The door stop base has a slot, the main base is fixed within the door stop base, the solenoid valve and the door stop block are located within the main base, and the door stop is rotatably pivotally connected to the main base. The solenoid valve controls the door stop block to limit its rotation. The panel base has a locking block, and the panel base is fixed to the door stop base by locking it in the slot. The panel is fixed to the panel base, and the fixing member secures the panel base and the panel.

[0004] The aforementioned existing electronic locks often face a problem in use: because the electronic valve returns to its original position after a period of time after being energized, if the user does not open the door immediately after unlocking, the door stop will block the door again after a while, requiring the user to unlock the door again, which is relatively inconvenient. Therefore, how to keep the electronic lock in its open state after unlocking is one of the problems that needs to be solved by those skilled in the art. Summary of the Invention

[0005] The main objective of this invention is to provide an electronic lock with a memory function, which can continuously remember the unlocking state after being powered on once until the next door opening action is completed, thus solving the problem that existing electronic locks need to be re-unlocked after a period of time.

[0006] To achieve the aforementioned objective, the present invention provides an electronic lock with a memory function, comprising: a base having a latch and a movable member; the latch being movable between a first position and a second position; the movable member being movable between a third position and a fourth position; a first limiting member disposed on the base, one end of which is adjacent to the latch; the first limiting member being movable together with the latch between a fifth position and a sixth position; when the latch moves to the first position, the first limiting member moves to the fifth position; when the latch moves to the second position, the first limiting member moves to the sixth position; a second limiting member disposed on the base, one end of which is adjacent to the movable member; the second limiting member being movable between a seventh position and an eighth position; when the second limiting member is in the seventh position, the second limiting member abuts against the first limiting member, thereby positioning the first limiting member at the seventh position. The electronic lock is configured to operate in the following configurations: a fifth position; when the second limiting member is in the eighth position, the first limiting member can move between the fifth and sixth positions; and a third limiting member is disposed on the base and adjacent to the second limiting member; when the second limiting member moves from the seventh position to the eighth position, the third limiting member is in the ninth position and engages with the second limiting member; wherein the electronic lock can switch between a de-energized state and an energized state; when the electronic lock is in the de-energized state, the second limiting member is in the seventh position to position the first limiting member in the fifth position, preventing the bolt from moving from the first position to the second position; when the electronic lock is in the energized state, the movable member moves from the third position to the fourth position, driving the second limiting member to move from the seventh position to the eighth position; when the movable member returns from the fourth position to the third position, the second limiting member is positioned in the eighth position by the third limiting member.

[0007] In one embodiment, the third limiting member has a first segment and a second segment connected to each other, the second segment extending vertically from one end of the first segment, and the end of the second segment away from the first segment having a buckle segment that is raised relative to the second segment.

[0008] In one embodiment, the second limiting member has a positioning groove corresponding to the bottom surface of the base; when the second limiting member moves from the seventh position to the eighth position, and the third limiting member is in the ninth position, the buckle extends into the positioning groove to position the second limiting member in the eighth position.

[0009] In one embodiment, the second limiting member further has a movable groove; when the second limiting member is located at the eighth position, the movable groove corresponds to the first limiting member, allowing the first limiting member to move along the movable groove and to move between the fifth position and the sixth position.

[0010] In one embodiment, the second limiting member further has a groove located on the side of the second limiting member opposite to the movable groove and connected to the positioning groove.

[0011] In one embodiment, the third limiting member further has a protruding section disposed on the first section and adjacent to the first limiting member; when the first limiting member is located at the fifth position, the first limiting member and the protruding section are spaced apart by a predetermined distance; when the first limiting member moves from the fifth position to the sixth position, the first limiting member abuts against the protruding section of the third limiting member, causing the third limiting member to move from the ninth position to the tenth position, and causing the buckle segment to leave the positioning groove.

[0012] In one embodiment, the system further includes a first reset elastic member disposed on the base and acting on the first limiting member at one end, for providing a first elastic force to cause the first limiting member to move from the sixth position toward the fifth position; and a second reset elastic member disposed on the base and acting on the second limiting member at one end, for providing a second elastic force to cause the second limiting member to move from the eighth position toward the seventh position; wherein the elastic direction of the second elastic force is perpendicular to the elastic direction of the first elastic force.

[0013] In one embodiment, a knob is further included, connected to the third limiting member, the knob being operable to drive the third limiting member to move between a ninth position and a tenth position; when the third limiting member moves to the ninth position, the third limiting member is in contact with the bottom surface of the second limiting member; when the third limiting member moves to the tenth position, the third limiting member moves away from the second limiting member.

[0014] In one embodiment, a knob base is detachably disposed on the base; the knob base has a knob hole for accommodating the knob; when the third limiting member moves to the ninth position, the third limiting member is parallel to the bottom surface of the knob base; when the third limiting member moves to the tenth position, the third limiting member forms a non-zero angle with the bottom surface of the knob base.

[0015] In one embodiment, a third reset elastic member is further included, with one end abutting against the knob seat and the other end acting on the third limiting member to provide a third elastic force that causes the third limiting member to tend to move from the tenth position toward the ninth position.

[0016] The following are preferred embodiments based on the objectives, effects and structural configurations disclosed in this invention, and are described in detail with reference to the drawings. Attached Figure Description

[0017] Figure 1 This is a perspective view of a preferred embodiment of the present invention.

[0018] Figure 2This is a partial exploded view of a preferred embodiment of the present invention.

[0019] Figure 3 This is a perspective view of the second limiting member according to a preferred embodiment of the present invention.

[0020] Figure 4 This is a cross-sectional view from a side view of a preferred embodiment of the present invention.

[0021] Figure 5 This is a schematic diagram of the operation of the third limiting group according to a preferred embodiment of the present invention.

[0022] Figure 6 This is a cross-sectional view from a rear view of a preferred embodiment of the present invention, showing the second limiting member in the seventh position.

[0023] Figure 7 This is a top-view cross-sectional schematic diagram of a preferred embodiment of the present invention, showing the first limiting member positioned in the fifth position.

[0024] Figure 8 This is a cross-sectional view from a rear view of a preferred embodiment of the present invention, showing the second limiting member moving from the seventh position to the eighth position.

[0025] Figure 9 This is a cross-sectional view from a rear view of a preferred embodiment of the present invention, showing the second limiting member in the eighth position.

[0026] Figure 10 This is a top-view cross-sectional diagram of a preferred embodiment of the present invention, showing the first limiting member being moved to the sixth position.

[0027] Figure 11 This is a side view of a preferred embodiment of the present invention, showing the situation where the first limiting member pushes the third limiting member to move.

[0028] Figure Labels

[0029] 1. Electronic locks

[0030] 10 bases

[0031] 100 storage space

[0032] 101 First Opening

[0033] 102 Second opening

[0034] 11 Cover plate

[0035] 12 Locking tongue

[0036] 120 front locking tongue

[0037] 121 Rear Locking Tongue

[0038] 122 Top-down component

[0039] 123 First position

[0040] 124 Second position

[0041] 13 active items

[0042] 130 Electromagnetic Tube

[0043] 131 iron core

[0044] 132 Third position

[0045] 133 Fourth position

[0046] 20 First Limiting Group

[0047] 21 First limiting component

[0048] 211 First column

[0049] 212 Second column

[0050] 213 Third column

[0051] 214 Fifth position

[0052] 215 Sixth position

[0053] 22 First reset elastic element

[0054] 30 Second limit group

[0055] 31 Side panels

[0056] 32 Second limiting component

[0057] 321 Active slot

[0058] 322 Positioning slot

[0059] 323 Groove

[0060] 324 Seventh position

[0061] 325 Eighth position

[0062] 33 Second reset elastic element

[0063] 40 Third limit group

[0064] 41 Knob base

[0065] 410 Knob Hole

[0066] 42 knobs

[0067] 420 Pivot

[0068] 43 Third limit component

[0069] 431 First paragraph

[0070] 432 Second paragraph

[0071] 433 Protruding segment

[0072] 434 Deduction

[0073] 435 Ninth position

[0074] 436, tenth position

[0075] 44 Third reset elastic element Detailed Implementation

[0076] Please see Figures 1 to 4 As shown, an electronic lock 1 provided in a preferred embodiment of the present invention mainly includes: a base 10, a first limiting group 20, a second limiting group 30 and a third limiting group 40.

[0077] in:

[0078] The base 10 is a hollow shell with an internal accommodating space 100. The top surface of the base 10 has a first opening 101, and the side surface has a second opening 102, both connected to the accommodating space 100. The base 10 has a cover plate 11, a latch 12, and a movable member 13. The cover plate 11 is detachably disposed at the first opening 101 to cover at least a portion of the accommodating space 100. The latch 12 is rotatably pivotally connected to the accommodating space 100 of the base 10, with one end extending from the accommodating space 100. Specifically, the latch 12 includes a front latch 120, a rear latch 121, and a stop member 122. The front latch 120 and the rear latch 121 are fixed together by at least one screw, and the front latch 120 is further away from the cover plate 11 than the rear latch 121. The abutment 122 is detachably disposed at the end of the rear latch 121 away from the front latch 120. The latch 12 is used to engage with a latch (not shown) on a door. When the door is opened, the latch pushes the latch 12 from a first position 123 to a second position 124, disengaging the latch from the latch 12 and completing the opening action. After the opening action is completed, the latch 12 returns from the second position 124 to the first position 123. The movable member 13 can be disposed within the receiving space 100 of the base 10 along the first opening 101, and the movable member 13 can be driven by external force to move between a third position 132 and a fourth position 133. In this embodiment, the movable member 13 is a combination of an electromagnetic tube 130 and an iron core 131 disposed axially inside the electromagnetic tube 130 (e.g., Figure 6 As shown, an external power supply causes the solenoid 130 to generate a current magnetic effect, which in turn generates a magnetic force to drive the iron core 131 to move axially along the solenoid 130. When the movable member 13 is in the third position 132, one end of the iron core 131 is located at the end of the solenoid 130. When the movable member 13 is in the fourth position 133, one end of the iron core 131 extends out from the end of the solenoid 130. In another embodiment, the movable member can also be driven by other forces to achieve movement, such as elasticity, heat, pressure, or other equivalent driving structures.

[0079] The first limiting assembly 20 includes a first limiting member 21 and a first reset elastic member 22. The first limiting member 21 is disposed within the receiving space 100 of the base 10 and can move together with the locking tongue 12 between a fifth position 214 and a sixth position 215. Specifically, the first limiting member 21 is an irregular block-shaped component with a first post 211, a second post 212, and a third post 213. When the first limiting member 21 is disposed within the accommodating space 100 of the base 10, the first column portion 211 extends along the short direction of the base 10; the second column portion 212 is connected to the first column portion 211 and extends along the bottom surface of the base 10 in the vertical direction of the first column portion 211; the third column portion 213 is connected to the first column portion 211 and extends towards the center of the base 10 in the horizontal direction of the first column portion 211, the bottom surface of the third column portion 213 abuts against the base 10, and one end of the third column portion 213 corresponds to the abutment member 122 of the locking tongue member 12. The first column portion 211, the second column portion 212, and the third column portion 213 are perpendicular to each other. The first reset elastic member 22 is disposed between the base 10 and the first limiting member 21, with one end abutting against the base 10 and the other end abutting against the third column portion 213 of the first limiting member 21, so as to provide the first limiting member 21 with a first elastic force, causing the first limiting member 21 to tend to move from the sixth position 215 to the fifth position 214.

[0080] The second limiting assembly 30 includes a side plate 31, a second limiting member 32, and a second reset elastic member 33. The side plate 31 is detachably fixed to the shorter side of the base 10 to close the second opening 102 of the base 10. The second limiting member 32 is disposed within the receiving space 100 of the base 10 along the second opening 102, adjacent to the side plate 31, with one end adjacent to the movable member 13. Specifically, the second limiting member 32 is a block-shaped component with one end arc-shaped and the other end planar. The second limiting member 32 has a movable groove 321, a positioning groove 322, and a recess 323. The movable groove 321 is located at the arc-shaped end of the second limiting member 32, corresponding to the second column portion 212 of the first limiting member 21. The positioning groove 322 is located on the bottom side of the second limiting member 32, corresponding to the bottom surface of the base 10 and communicating with the movable groove 321. The recess 323 is located at one planar end of the second limiting member 32, on the side of the second limiting member 32 opposite to the movable groove 321 and communicating with the positioning groove 322. The second limiting member 32 can be driven by the movable member 13 to move between a seventh position 324 and an eighth position 325. When the second limiting member 32 is located at the seventh position 324, the arc end face of the second limiting member 32 abuts against the first limiting member 21; when the second limiting member 32 is located at the eighth position 325, the movable groove 321 of the second limiting member 32 corresponds to the first limiting member 21. The second reset elastic member 33 is disposed between the side plate 31 and the second limiting member 32, with one end abutting against the side plate 31 and the other end abutting against the second limiting member 32, to provide a second elastic force that causes the second limiting member 32 to tend to move from the eighth position 325 towards the seventh position 324. The elastic force direction of the second reset elastic member 33 is perpendicular to the elastic force direction of the first reset elastic member 22.

[0081] The third limiting assembly 40 includes a knob base 41, a knob 42, a third limiting member 43, and a third reset elastic member 44. The knob base 41 is detachably disposed at the bottom of the base 10 and has a knob hole 410. The knob 42 is pivotally connected to the knob hole 410 of the knob base 41, and the knob 42 has a pivot 420 on the side away from the knob base 410. The third limiting member 43 is a spring piece, pivotally disposed on the pivot 420 of the knob 42, and located below the first limiting member 21 and the second limiting member 32. The third limiting member 43 has a first segment 431 and a second segment 432, the first segment 431 being connected to the second segment 432 and the first segment 431 being generally perpendicular to the second segment 432. The first segment 431 has a triangular, upwardly protruding section 433 in its middle portion. When the first limiting member 21 is in the fifth position 214, the protruding section 433 is spaced a predetermined distance from the second post portion 212 of the first limiting member 21. The second segment 432 has an upwardly curved buckle section 434 at one end away from the first segment 431. When the second limiting member 32 is in the seventh position 324, the second segment 432 is attached to the bottom surface of the second limiting member 32, and the buckle section 434 extends along one side of the second limiting member 32. The third limiting member 43 is drivable and can move between a ninth position 435 and a tenth position 436. When the third limiting member 43 rotates to the ninth position 435, it is generally parallel to the bottom surface of the knob seat 41. When the third limiting member 43 rotates to the tenth position 436, it moves away from the bottom surface of the second limiting member 32 and forms a non-zero angle with the bottom surface of the knob seat 41. The third reset elastic member 44 is disposed between the knob seat 41 and the third limiting member 43, with one end abutting against the knob seat 41 and the other end abutting against the third limiting member 43, to provide a third elastic force that causes the third limiting member 43 to tend to move from the tenth position 436 towards the ninth position 435.

[0082] Based on the above structural configuration, the electronic lock 1 provided by the present invention is applied in the following practical way:

[0083] Please see Figure 5As shown, when using the electronic lock 1, the knob 42 can be rotated in advance using a hand tool (such as a screwdriver) to adjust the third limiting member 43 to the ninth position 435 or the tenth position 436, thereby turning the memory function on or off. When the third limiting member 43 is rotated to the ninth position 435 by the knob 42, the third limiting member 43 is parallel to the bottom surface of the knob base 41 and fits against the bottom surface of the second limiting member 32, indicating that the memory function of the electronic lock 1 is activated; when the third limiting member 43 is rotated to the tenth position 436 by the knob 42, the third limiting member 32 forms a non-zero angle with the bottom surface of the knob base 41 and moves away from the bottom surface of the second limiting member 32, indicating that the memory function of the electronic lock 1 is deactivated. The specific operation of the electronic lock 1 when the memory function is activated will be described below.

[0084] The electronic lock 1, after its memory function is activated, can switch between a non-powered state and a powered state. Please refer to [link / reference]. Figure 6 and Figure 7 As shown, when the electronic lock 1 is in the de-energized state, the second limiting member 32 is located at the seventh position 324. Therefore, the second post portion 212 of the first limiting member 21 abuts against the arc end face of the second limiting member 32 and does not correspond to the movable groove 321, so the first limiting member 21 is positioned at the fifth position 214, and the bolt member 12 cannot move from the first position 123 to the second position 124. If an opening action occurs at this time, the door bolt cannot push the bolt member 12, and the unlocking action cannot be completed, indicating that the door is locked at this time.

[0085] Please see Figure 8 As shown, when the electronic lock 1 is in the energized state, the movable member 13 is driven to move from the third position 132 to the fourth position 133, simultaneously pushing the second limiting member 32 from the seventh position 324 towards the eighth position 325, and the second reset elastic member 33 is also compressed. During the movement of the second limiting member 32, the latching segment 434 of the third limiting member 43 is pushed by the second limiting member 32, causing the third limiting member 43 to move from the ninth position 435 towards the tenth position 436. At this time, the latching segment will adhere to the bottom surface of the second limiting member 32, and the third reset elastic member 44 will also be compressed.

[0086] Please see Figure 9As shown, when the second limiting member 32 moves to the eighth position 325, the latching segment 434 of the third limiting member 43 corresponds to the positioning groove 322 of the second limiting member 32. At this time, the elastic force of the third reset elastic member 44 instantly returns the third limiting member 43 to the ninth position 435. Thus, the latching segment 434 of the third limiting member 43 extends into the positioning groove 322 of the second limiting member 32 and abuts against the inner wall of the positioning groove 322 to form a locking state. Afterwards, even if the movable member 13 returns from the fourth position 133 to the third position 132 after the power is turned off, the second limiting member 32 will not be returned to the seventh position 324 by the second reset elastic member 33, but will still be positioned in the eighth position 325 by the third limiting member 43, so that the first limiting member 21 and the locking tongue member 12 continue to remain in a movable state. Before completing the next door opening action, the electronic lock 1 will remain in the unlocked state (or remember the unlocked state) regardless of whether it is powered on or not.

[0087] Please see Figure 10 and Figure 11 As shown, when the door opens, the latch pushes the latch member 12 backward, causing the latch member 12 to move from the first position 123 to the second position 124. At this time, since the second limiting member 32 is located at the eighth position 325, the movable groove 321 corresponds to the first limiting member 21. Therefore, the first limiting member 21 can move synchronously with the latch member 12 and move from the fifth position 214 to the sixth position 215, extending into the movable groove 321 of the second limiting member 32. The first reset elastic member 22 is also compressed. After the first limiting member 21 enters the movable groove 321, the first limiting member 21 pushes the protruding section 433 of the third limiting member 43, causing the third limiting member 43 to move from the ninth position 435 to the tenth position 436, causing the latch section 434 to disengage from the positioning groove 322. The second limiting member 32 then begins to reset under the action of the second reset elastic member 33 and flattens against the side of the first limiting member 21, while the buckle segment 434 adheres to the bottom surface of the second limiting member 32.

[0088] After the door is opened (closed), the latch 12 returns from the second position 124 to the first position 123. At this time, the first limiting member 21 returns from the sixth position 215 to the fifth position 214 under the elastic force of the first reset elastic member 22. After the first limiting member 21 leaves the movable groove 321 of the second limiting member 32, the second limiting member 32 also returns from the eighth position 325 to the seventh position 324 under the elastic force of the second reset elastic member 33. When the latch segment 434 returns to one side of the second limiting member 32, the third limiting member 43 also returns to the ninth position 435 under the elastic force of the third reset elastic member 44, so that the second segment 432 of the third limiting member 43 fits against the bottom surface of the second limiting member 32. In this way, the electronic lock 1 returns to its initial state, and its memory function is deactivated.

[0089] It should be noted that the electronic lock structure disclosed in this embodiment is an energized lock, meaning that the unlocking action can only be performed after power is applied. In another embodiment, the second limiting member 32 can also be removed after the side plate is removed, its direction changed, and then it can be placed back into the base 10, so that the positioning groove 322 faces away from the third limiting member 43. Thus, in the non-energized state, the second limiting member 32 is located at the seventh position 324, and the movable groove 321 corresponds to the first limiting member 21, allowing the first limiting member 21 to move synchronously with the bolt member 12 and move from the fifth position 214 to the sixth position 215, extending into the movable groove 321 of the second limiting member 32, indicating that the unlocking action can be performed; when energized, the second limiting member 32 is driven by the movable member 13 to move to the eighth position 325, and the first limiting member 21 is positioned at the fifth position 214 and cannot move. Therefore, the electronic lock can be changed into a lock structure that is electrically closed by changing the setting direction of the second limiting member 32.

[0090] In summary, the electronic lock with memory function provided by this invention, through the limiting structure between the first limiting member 21, the second limiting member 32, and the third limiting member 43, allows the electronic lock 1 to remember the unlocked state after one power-on operation until the next door opening action is completed. Compared with the existing electronic lock structure, which locks again after a period of time after unlocking, this invention can effectively prevent the above situation from occurring, thereby improving the user's unlocking experience.

[0091] The above embodiments are merely illustrative of the technology and effects of the present invention and are not intended to limit the present invention. Those skilled in the art can make modifications and variations to the above embodiments without departing from the technical principles and spirit of the present invention; therefore, the scope of protection of the present invention should be as stated in the foregoing claims.

Claims

1. An electronic lock with memory function, characterized in that, Includes: A base having a locking tongue and a movable member; the locking tongue is drivable to move between a first position and a second position; the movable member is drivable to move between a third position and a fourth position; A first limiting member is disposed on the base, with one end adjacent to the locking tongue member; the first limiting member can move together with the locking tongue member and move between a fifth position and a sixth position; when the locking tongue member moves to the first position, the first limiting member moves to the fifth position; when the locking tongue member moves to the second position, the first limiting member moves to the sixth position. A second limiting member is disposed on the base, with one end adjacent to the movable member; the second limiting member can be driven by the movable member to move between a seventh position and an eighth position; when the second limiting member is in the seventh position, the second limiting member abuts against the first limiting member, so that the first limiting member is positioned in the fifth position; when the second limiting member is in the eighth position, the first limiting member can move between the fifth position and the sixth position; as well as A third limiting member is disposed on the base and adjacent to the second limiting member; when the second limiting member moves from the seventh position to the eighth position, the third limiting member and the second limiting member form an engaging state, and the third limiting member can be driven to move between a ninth position and a tenth position. The electronic lock can switch between a non-powered state and a powered state. When the electronic lock is in the non-powered state, the second limiting member is located at the seventh position to position the first limiting member at the fifth position, preventing the bolt from moving from the first position to the second position. When the electronic lock is in the powered state, the movable member moves from the third position to the fourth position, driving the second limiting member to move from the seventh position to the eighth position. When the movable member returns from the fourth position to the third position, the second limiting member is positioned at the eighth position by the third limiting member.

2. The electronic lock with memory function according to claim 1, characterized in that, The third limiting member has a first segment and a second segment connected to each other. The second segment extends vertically from one end of the first segment, and the end of the second segment away from the first segment has a buckle segment that is raised relative to the second segment.

3. The electronic lock with memory function according to claim 2, characterized in that, The second limiting member has a positioning groove corresponding to the bottom surface of the base; when the second limiting member moves from the seventh position to the eighth position, the buckle of the third limiting member extends into the positioning groove to position the second limiting member at the eighth position.

4. The electronic lock with memory function according to claim 3, characterized in that, The second limiting member also has a movable groove connected to the positioning groove; when the second limiting member is in the eighth position, the movable groove corresponds to the first limiting member, so that the first limiting member can move along the movable groove and can move between the fifth position and the sixth position.

5. The electronic lock with memory function according to claim 4, characterized in that, The second limiting member also has a groove located on the side of the second limiting member opposite to the movable groove and connected to the positioning groove.

6. The electronic lock with memory function according to claim 3, characterized in that, The third limiting member also has a protruding section disposed on the first section and adjacent to the first limiting member; when the first limiting member is in the fifth position, the first limiting member and the protruding section are spaced apart by a predetermined distance; when the first limiting member moves from the fifth position to the sixth position, the first limiting member abuts against the protruding section of the third limiting member, causing the third limiting member to move from the ninth position to the tenth position, and causing the buckle segment to leave the positioning groove.

7. The electronic lock with memory function according to claim 1, characterized in that, It also includes a first reset elastic member disposed on the base and one end acting on the first limiting member, for providing a first elastic force to cause the first limiting member to move in the direction from the sixth position to the fifth position; and a second reset elastic member disposed on the base and one end acting on the second limiting member, for providing a second elastic force to cause the second limiting member to move in the direction from the eighth position to the seventh position; The direction of the second elastic force is perpendicular to the direction of the first elastic force.

8. The electronic lock with memory function according to claim 1, characterized in that, It also includes a knob connected to the third limiting member, which can be operated to drive the third limiting member to move between a ninth position and a tenth position; when the third limiting member moves to the ninth position, the third limiting member is in contact with the bottom surface of the second limiting member; when the third limiting member moves to the tenth position, the third limiting member moves away from the second limiting member.

9. The electronic lock with memory function according to claim 8, characterized in that, It also includes a knob base, which is detachably disposed on the base; the knob base has a knob hole for accommodating the knob; when the third limiting member moves to the ninth position, the third limiting member is parallel to the bottom surface of the knob base; when the third limiting member moves to the tenth position, the third limiting member and the bottom surface of the knob base form an angle that is not equal to 0.

10. The electronic lock with memory function according to claim 9, characterized in that, It also includes a third reset elastic member, one end of which abuts against the knob seat and the other end of which acts on the third limiting member to provide a third elastic force so that the third limiting member tends to move from the tenth position to the ninth position.

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