Automatic electronic locks and electronic devices

Abstract

The present invention discloses an automatic electronic lock and an electronic device. The automatic electronic lock comprises a lock body and a lock core. The lock core comprises: a housing having a storage space, the housing being formed with a locking groove connecting the storage space and the outside; a lock catch, the lock catch being movably mounted in the storage space, the lock catch having a limiting groove; a driving mechanism, the driving mechanism drivingly cooperates with the lock catch so that the lock catch has an unlocking state and a locking state; when the lock catch is in the unlocking state, the notch of the limiting groove is connected with the locking groove, and the lock body can enter the limiting groove from the outside of the housing through the locking groove; when the lock catch is in the locking state, the notch of the limiting groove is located outside the locking groove, and the lock body is limited to the communication between the limiting groove and the locking groove. The technical solution of the present invention controls the unlocking and locking of the automatic electronic lock through the driving mechanism. Compared with the mechanical unlocking, the manual operation is reduced, the intelligent and simple operation is achieved, and the convenience of using the automatic electronic lock is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of locks, and in particular to an automatic electronic lock and an electronic device. Background Art

[0002] As people's living standards improve, people are using more and more electronic locks. However, due to unreasonable structural design, the existing electronic locks make the process of unlocking and locking the electronic locks too complicated, the convenience of use is poor, and the user experience is not high. Summary of the invention

[0003] The main purpose of the present invention is to provide an automatic electronic lock, aiming to improve the operating convenience of the automatic electronic lock and improve the user experience.

[0004] To achieve the above object, the automatic electronic lock proposed by the present invention comprises a lock body and a lock core, wherein the lock core comprises:

[0005] A housing, wherein the housing has a receiving space and is formed with a latching groove communicating with the receiving space and the outside;

[0006] A lock buckle, the lock buckle is movably mounted in the accommodating space, and the lock buckle has a limiting groove;

[0007] A driving mechanism, wherein the driving mechanism cooperates with the lock buckle to drive the lock buckle to enable the lock buckle to have an unlocked state and a locked state;

[0008] When the lock buckle is in an unlocked state, the notch of the limiting groove is in communication with the locking groove, and the lock body can enter the limiting groove from the outside of the housing through the locking groove;

[0009] When the lock buckle is in a locked state, the notch of the limiting groove is located outside the locking groove, and the lock body is located at the intersection of the limiting groove and the locking groove.

[0010] Optionally, the driving mechanism includes a driving motor, a driving gear and a transmission gear, wherein the driving gear is connected to the rotating shaft of the driving motor to rotate along with the rotation of the rotating shaft, the transmission gear is meshed with the driving gear, and the transmission gear is driven to cooperate with the lock.

[0011] Optionally, a first elastic member is installed in the housing, and the first elastic member includes a limit arm, a connecting section and a rotating arm in sequence in the extending direction, the limit arm and the rotating arm are arranged at an angle, the limit arm and the rotating arm are elastic, and / or the connecting section is elastic;

[0012] The lock buckle is connected to the rotating arm and can rotate with the rotation of the lock buckle. The transmission gear and the lock buckle are arranged up and down. A pushing member is convexly provided on a side of the transmission gear facing the lock buckle, and a pushed member is convexly provided on a side of the lock buckle facing the transmission gear. On the rotation track of the transmission gear, the pushing member has a pushing state of squeezing the pushed member and an idle state of leaving the pushed member.

[0013] When the pushing member is in the pushing state, the pushed member drives the lock buckle to enter the first state, the rotating arm moves toward the direction close to the limiting arm, and the first elastic member is in the compressed state;

[0014] When the pusher is in an idle state, the first elastic member is reset, the rotating arm drives the lock to reset, and the lock enters a second state;

[0015] One of the first state and the second state is the unlocked state, and the other is the locked state.

[0016] Optionally, the first elastic member comprises a torsion spring; and / or,

[0017] The lock buckle is provided with a first limiting column, the connecting section of the first elastic member is annular, and the connecting section is sleeved on the first limiting column; and / or,

[0018] The housing is provided with a second limiting column, and the second limiting column abuts against a side of the limiting arm away from the rotating arm.

[0019] Optionally, the lock core further comprises a limiting member, the limiting member is located at a side of the lock buckle away from the transmission gear, a limiting protrusion is convexly provided on a side of the lock buckle facing the limiting member, the limiting member can move along a first direction, the first direction is parallel to the rotation axis of the lock buckle, so that the limiting member has a limiting position and an avoidance position;

[0020] When the limiting member is in the limiting position, the side wall of the limiting protrusion is clamped on the side wall of the limiting member, and the lock buckle is in the unlocked state or the locked state;

[0021] When the limiting member is in the avoidance position, the limiting member is located at a side of the limiting protrusion away from the lock buckle, so that the lock buckle can be switched between the unlocked state and the locked state.

[0022] Optionally, the lock core further includes a second elastic member extending along the first direction, one end of the second elastic member being connected to or abutting against the limiting member, and the other end of the second elastic member being abutting against or connected to the inner wall of the shell.

[0023] Optionally, a side of the transmission gear facing away from the limiter abuts against the inner wall of the housing through an abutment member, a side of the transmission gear facing the limiter is convexly provided with a rotating ladder, and a side of the limiter facing the transmission gear is provided with a matching ladder corresponding to the rotating ladder, and under the rotation trajectory of the transmission gear, the rotating ladder has a pressing state and an avoiding state;

[0024] When the rotating ladder is in the pressing state, the rotating ladder presses against the matching ladder, the second elastic member is compressed between the limiting member and the inner wall of the shell, and the limiting member is in the avoiding position;

[0025] When the revolving ladder is in the avoiding state, the revolving ladder avoids the matching ladder, the second elastic member is reset, and the limiting member is in the limiting position.

[0026] Optionally, a third limiting column is provided on one of the limiting member and the inner wall of the shell, and a limiting hole is provided on the other, the third limiting column is inserted into the limiting hole, and the extension direction of the third limiting column and the hole depth direction of the limiting hole are parallel to the first direction.

[0027] Optionally, the limiting groove has a first groove wall, and when the lock buckle is in the unlocked state, the extension direction of the first groove wall is arranged at an angle with the groove depth direction of the locking groove, and the first groove wall is arranged facing the notch of the locking groove, and the lock body can abut against the first groove wall under the action of an external force to drive the lock buckle to enter the locked state; and / or,

[0028] The lock body is arranged in a ring shape, and when the lock buckle is in a locked state, the groove wall forming the limiting groove is penetrated through the lock body.

[0029] The present invention further provides an electronic device, comprising the automatic electronic lock mentioned above.

[0030] The technical solution of the present invention controls the unlocking and locking of the automatic electronic lock through a driving mechanism, which reduces manual operation compared to mechanical unlocking, making the unlocking and locking process of the automatic electronic lock intelligent and simple, improving the convenience of using the automatic electronic lock, and thus improving the user experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0032] Figure 1It is a structural schematic diagram of the automatic electronic lock of the present invention;

[0033] Figure 2 It is a structural schematic diagram of the automatic electronic lock of the present invention from one perspective in the unlocked state;

[0034] Figure 3 It is a structural schematic diagram of the automatic electronic lock of the present invention in the unlocked state from another perspective;

[0035] Figure 4 It is a structural schematic diagram of the automatic electronic lock of the present invention from one perspective in a locked state;

[0036] Figure 5 It is a structural schematic diagram of the automatic electronic lock of the present invention in a locked state from another perspective;

[0037] Figure 6 It is a structural schematic diagram of a lock buckle of the automatic electronic lock of the present invention from one perspective;

[0038] Figure 7 It is a structural schematic diagram of the lock buckle of the automatic electronic lock of the present invention from another perspective;

[0039] Figure 8 It is a schematic diagram of the structure of the transmission gear of the automatic electronic lock of the present invention;

[0040] Fig. 9 It is a schematic structural diagram of the first elastic member of the automatic electronic lock of the present invention;

[0041] Fig.10 It is a schematic structural diagram of the limiter of the automatic electronic lock of the present invention.

[0042] Description of Figure Numbers:

[0043] Label name Label name 10 Lock cylinder 20 Lock body 100 case 110 Lock slot 120 The second limit column 130 The third limit column 200 Lock 210 Restriction slot 211 First groove wall 220 Pushed parts 230 The first limit column 240 Limiting protrusion 310 Drive motor 320 Drive gear 330 Transmission gear 331 Pusher 332 Spiral ladder 400 The first elastic member 410 Limiting arm 420 Connection segment 430 Rotating arm 500 Limiting parts 510 Matching ladder 520 Limit hole 600 The second elastic member

[0044] The realization of the purpose, functional features and advantages of the present invention will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0045] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0046] It should be noted that all directional indications in the embodiments of the present invention (such as up, down, left, right, front, back, etc.) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0047] In addition, the descriptions of "first", "second", etc. in the present invention are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, "and / or" in the full text includes three solutions. Taking A and / or B as an example, it includes technical solution A, technical solution B, and technical solution that satisfies both A and B. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0048] The specific structure of the automatic electronic lock will be mainly described below.

[0049] Reference Figures 1 to 10 In an embodiment of the present invention, the automatic electronic lock comprises a lock body 20 and a lock core 10, wherein the lock core 10 comprises a housing 100, a lock catch 200 and a driving mechanism. The housing 100 has a storage space, and the housing 100 is formed with a latching slot 110 communicating with the storage space and the outside; the lock catch 200 is movably mounted in the storage space, and the lock catch 200 has a limiting slot 210; the driving mechanism cooperates with the lock catch 200 to drive the lock catch 200 so that the lock catch 200 has an unlocking state and a locking state; when the lock catch 200 is in the unlocking state, the notch of the limiting slot 210 is in communication with the latching slot 110, and the lock body 20 can enter the limiting slot 210 from the outside of the housing 100 through the latching slot 110; when the lock catch 200 is in the locking state, the notch of the limiting slot 210 is located outside the latching slot 110, and the lock body 20 is limited to the communication between the limiting slot 210 and the latching slot 110. There are many choices for the shape of the lock body 20. For example, the lock body 20 is annularly arranged. When the lock buckle 200 is in the locked state, the groove wall forming the limiting groove 210 is penetrated through the lock body 20, thereby locking the lock body 20 to the lock core 10. In actual application, the automatic electronic lock can be provided with a main control circuit, and the driving mechanism is electrically connected to the main control circuit. The driving mechanism can be controlled by the main control circuit to control the unlocking and locking of the automatic electronic lock. Compared with the mechanical unlocking, manual operation is reduced, making the unlocking and locking process of the automatic electronic lock intelligent and simple, improving the convenience of using the automatic electronic lock, and thus improving the user experience.

[0050] Among them, there are multiple options for the composition of the driving mechanism. In some embodiments, the driving mechanism includes a driving motor 310, a driving gear 320 and a transmission gear 330. The driving gear 320 is connected to the rotating shaft of the driving motor 310 to rotate along with the rotation of the rotating shaft. The transmission gear 330 is meshed with the driving gear 320, and the transmission gear 330 is driven to cooperate with the lock buckle 200. Specifically, a first elastic member 400 is installed in the shell 100, and the first elastic member 400 includes a limit arm 410, a connecting section 420 and a rotating arm 430 in the extension direction. The limit arm 410 and the rotating arm 430 are arranged at an angle, and the limit arm 410 and the rotating arm 430 are elastic, and / or the connecting section 420 is elastic; the lock buckle 200 is connected to the rotating arm 430 and can rotate with the rotation of the lock buckle 200, the transmission gear 330 and the lock buckle 200 are arranged up and down, and the transmission gear 330 is convexly provided with a pushing member 331 on one side facing the lock buckle 200, and the lock buckle 200 is convexly provided with a pushing member 2 20. On the rotation trajectory of the transmission gear 330, the pushing member 331 has a pushing state of squeezing the pushed member 220 and an idle state of leaving the pushed member 220; when the pushing member 331 is in the pushing state, the pushed member 220 drives the lock buckle 200 to enter the first state, the rotating arm 430 moves toward the direction close to the limiting arm 410, and the first elastic member 400 is in a compressed state; when the pushing member 331 is in the idle state, the first elastic member 400 is reset, the rotating arm 430 drives the lock buckle 200 to reset, and the lock buckle 200 enters the second state; one of the first state and the second state is the unlocking state, and the other is the locking state.

[0051] In this embodiment, the working process of the automatic electronic lock is explained by taking the first state as the locked state and the second state as the unlocked state as an example: when the automatic electronic lock is in the unlocked state, that is, when the notch of the limiting groove 210 is connected to the locking groove 110, the lock body 20 is inserted into the locking groove 110 and enters the limiting groove 210, and then the driving motor 310 is controlled to work so that the driving gear 320 rotates. Taking the driving gear 320 rotating in the clockwise direction as an example, the driving gear 320 rotates in the clockwise direction so that the transmission gear 330 rotates in the counterclockwise direction. During the rotation of the transmission gear 330, its convex pushing member 331 squeezes the pushed member 220 of the lock buckle 200, so that the lock buckle 200 rotates in the clockwise direction until the notch of the limiting groove 210 of the lock buckle 200 is located outside the locking groove 110, and the lock body 20 cannot exit the locking groove 1 through the notch of the limiting groove 210. 10. In this way, the lock body 20 is limited at the intersection of the limiting groove 210 and the locking groove 110, so that the lock body 20 is locked on the lock buckle 200. When the lock buckle 200 rotates in the clockwise direction, the lock buckle 200 drives the rotating arm 430 of the first elastic member 400 to move in the direction close to the limiting arm 410, so that the first elastic member 400 is in a compressed state; when it is necessary to unlock, the drive motor 310 is controlled to continue to work, so that the driving gear 320 continues to rotate in the clockwise direction, and the transmission gear 330 continues to rotate in the counterclockwise direction. After the pushing member 331 leaves the pushed member 220, the first elastic member 400 is reset, and its rotating arm 430 drives the lock buckle 200 to reset, so that the lock buckle 200 is restored to the notch of the limiting groove 210 and is connected to the locking groove 110. In this way, the lock body 20 can exit the locking groove 110 through the notch of the limiting groove 210, and the automatic electronic lock is unlocked. In this embodiment, the unlocking and locking of the automatic electronic lock are achieved by means of gear transmission, and the operation is stable and reliable, thereby ensuring the stability and reliability of the automatic electronic lock.

[0052] The first elastic member 400 includes a torsion spring, and the first elastic member 400 can even be a torsion spring. In order to ensure the stability of the installation of the first elastic member 400, the lock buckle 200 is provided with a first limiting column 230, and the connecting section 420 of the first elastic member 400 is annular, and the connecting section 420 is sleeved on the first limiting column 230, so that the first elastic member 400 is not easy to move when it is deformed. There are many other methods to prevent the first elastic member 400 from moving. For example, in other embodiments, the housing 100 is provided with a second limiting column 120, and the second limiting column 120 abuts against the side of the limiting arm 410 away from the rotating arm 430.

[0053] In some embodiments, in order to improve the stability of the lock buckle 200 in the unlocked state and the locked state, the lock core 10 also includes a limit member 500, and the limit member 500 is located on the side of the lock buckle 200 away from the transmission gear 330. A limit protrusion 240 is convexly provided on a side of the lock buckle 200 facing the limit member 500. The limit member 500 can move along a first direction, and the first direction is parallel to the rotation axis of the lock buckle 200, so that the limit member 500 has a limit position and an avoidance position; when the limit member 500 is in the limit position, the side wall of the limit protrusion 240 is clamped on the side wall of the limit member 500, and the lock buckle 200 is in the unlocked state or the locked state; when the limit member 500 is in the avoidance position, the limit member 500 is located on the side of the limit protrusion 240 away from the lock buckle 200, so that the lock buckle 200 can switch between the unlocked state and the locked state.

[0054] In this embodiment, the movable limiting member 500 can be used to place the limiting member 500 in a limiting position or an avoidance position. When the limiting member 500 is in the limiting position, the side wall of the limiting protrusion 240 of the lock buckle 200 is clamped on the side wall of the limiting member 500, which limits the rotation of the lock buckle 200, so that the lock buckle 200 is stably in the current unlocked state or locked state. It should be noted that when the lock buckle 200 is in different states, the side wall of the limiting protrusion 240 is clamped on the opposite position of the limiting member 500. For example, when the lock buckle 200 is in the locked state, the limiting protrusion 240 is located behind the limiting member 500, and when the lock buckle 200 is in the unlocked state, the limiting protrusion 240 is located in front of the limiting member 500. It is worth mentioning that the front and rear are only a relative reference direction, not a specific limiting direction. When the limit member 500 is in the avoidance position, the limit member 500 is located on the side of the limit protrusion 240 away from the lock buckle 200, that is, the limit member 500 will not limit the rotation of the lock buckle 200, so that the lock buckle 200 can switch between the unlocked state and the locked state.

[0055] There are many ways to make the limiting member 500 move along the first direction so that the limiting member 500 has a limiting position and an avoidance position. For example, in some embodiments, the lock core 10 further includes a second elastic member 600, which extends along the first direction. One end of the second elastic member 600 is connected or abutted with the limiting member 500, and the other end is abutted or connected with the inner wall of the housing 100. In this way, the limiting member 500 can be moved by pressing and releasing the limiting member 500. Specifically, the side of the transmission gear 330 facing away from the limit member 500 abuts against the inner wall of the shell 100 through an abutment member, and the side of the transmission gear 330 facing the limit member 500 is convexly provided with a rotating ladder 332, and the side of the limit member 500 facing the transmission gear 330 is provided with a matching ladder 510 corresponding to the rotating ladder 332. Under the rotation trajectory of the transmission gear 330, the rotating ladder 332 has a pressing state and an avoiding state; when the rotating ladder 332 is in the pressing state, the rotating ladder 332 presses the matching ladder 510, the second elastic member 600 is compressed between the limit member 500 and the inner wall of the shell 100, and the limit member 500 is in the avoiding position; when the rotating ladder 332 is in the avoiding state, the rotating ladder 332 avoids the matching ladder 510, the second elastic member 600 is reset, and the limit member 500 is in the limiting position.

[0056] In this embodiment, when the transmission gear 330 rotates, when the rotating ladder 332 presses the matching ladder 510 of the limiter 500, the transmission gear 330 does not move, but exerts a pressing force on the limiter 500, so that the limiter 500 moves, and the limiter 500 is pressed to the avoidance position, so that the lock buckle 200 can switch between the unlocked state and the locked state. At the same time, the second elastic member 600 is in a compressed state due to the pressing force. When the transmission gear 330 continues to rotate, so that the rotating ladder 332 avoids the matching ladder 510, that is, leaves the matching ladder 510, the pressing force on the limiter 500 and the second elastic member 600 is eliminated, so that the second elastic member 600 is reset, and drives the limiter 500 to reset, so that the limiter 500 returns to the limit position, ensuring that the lock buckle 200 is stably in the current unlocked state or locked state.

[0057] To prevent the limiting member 500 from rotating, in some embodiments, a third limiting column 130 is provided on one of the limiting member 500 and the inner wall of the housing 100, and a limiting hole 520 is provided on the other. The third limiting column 130 is inserted into the limiting hole 520, and the extension direction of the third limiting column 130 and the hole depth direction of the limiting hole 520 are parallel to the first direction. The provision of the third limiting column 130 limits the movable direction of the limiting member 500, so that the limiting member 500 can move up and down along the first direction, but cannot rotate, thereby ensuring the working stability and reliability of the limiting member 500, thereby ensuring the working stability and reliability of the automatic electronic lock.

[0058] In some embodiments, the limiting groove 210 has a first groove wall 211. When the lock buckle 200 is in the unlocked state, the extension direction of the first groove wall 211 is set at an angle with the groove depth direction of the locking groove 110. The first groove wall 211 is set facing the notch of the locking groove 110. The lock body 20 can abut against the first groove wall 211 under the action of external force to drive the lock buckle 200 into the locked state. That is, in this embodiment, the lock body 20 can forcefully press the first groove wall 211 of the limiting groove 210 to make the lock buckle 200 rotate to the locked state. In this way, the locking function of the automatic electronic lock can also be realized in abnormal conditions such as power failure of the automatic electronic lock.

[0059] The present invention also proposes an electronic device, which includes an automatic electronic lock. The specific structure of the automatic electronic lock refers to the above embodiment. Since the electronic device adopts all the technical solutions of all the above embodiments, it has at least all the beneficial effects brought by the technical solutions of the above embodiments, which will not be described one by one here.

[0060] The above description is only a preferred embodiment of the present invention, and does not limit the patent scope of the present invention. All equivalent structural changes made by using the contents of the present invention specification and drawings under the inventive concept of the present invention, or directly / indirectly applied in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. An automatic electronic lock, characterized in that: The invention comprises a lock body and a lock core, wherein the lock core comprises: a shell, wherein the shell has a containing space, and the shell is formed with a latch groove communicating with the containing space and the outside; a lock buckle, wherein the lock buckle is movably installed in the containing space, and the lock buckle has a limiting groove; a driving mechanism, wherein the driving mechanism cooperates with the lock buckle to drive the lock buckle so that the lock buckle has an unlocking state and a locking state; when the lock buckle is in the unlocking state, the notch of the limiting groove is communicated with the latch groove, and the lock body can enter the limiting groove from the outside of the shell through the latch groove; when the lock buckle is in the locked state, the notch of the limiting groove is located outside the latch groove, and the lock body is limited to the communicating part of the limiting groove and the latch groove; The driving mechanism comprises a driving motor, a driving gear and a transmission gear, wherein the driving gear is connected to the rotating shaft of the driving motor to rotate along with the rotation of the rotating shaft, the transmission gear is meshed with the driving gear, and the transmission gear is drivingly matched with the lock buckle; A first elastic member is installed in the shell, and the first elastic member includes a limit arm, a connecting section and a rotating arm in the extending direction, the limit arm and the rotating arm are arranged at an angle, the limit arm and the rotating arm are elastic, and / or the connecting section is elastic; the lock buckle is connected to the rotating arm and can rotate with the rotation of the lock buckle, the transmission gear and the lock buckle are arranged up and down, a pushing member is convexly provided on a side of the transmission gear facing the lock buckle, and a pushed member is convexly provided on a side of the lock buckle facing the transmission gear, and on the rotation track of the transmission gear, the pushing member has a pushing state of squeezing the pushed member and an idle state of leaving the pushed member; when the pushing member is in the pushing state, the pushed member drives the lock buckle to enter the first state, the rotating arm moves in the direction close to the limit arm, and the first elastic member is in a compressed state; when the pushing member is in the idle state, the first elastic member is reset, the rotating arm drives the lock buckle to reset, and the lock buckle enters the second state; one of the first state and the second state is the unlocking state, and the other is the locking state; The lock core further comprises a limiting member, wherein the limiting member is located at a side of the lock buckle away from the transmission gear, and a limiting protrusion is convexly provided on a side of the lock buckle facing the limiting member, and the limiting member can move along a first direction, and the first direction is parallel to the rotation axis of the lock buckle, so that the limiting member has a limiting position and an avoidance position; when the limiting member is in the limiting position, the side wall of the limiting protrusion is clamped on the side wall of the limiting member, and the lock buckle is in the unlocked state or the locked state; when the limiting member is in the avoidance position, the limiting member is located at a side of the limiting protrusion away from the lock buckle, so that the lock buckle can switch between the unlocked state and the locked state; The lock core further includes a second elastic member, the elastic member extends along the first direction, one end of the second elastic member is connected or abutted with the limiting member, and the other end of the second elastic member is abutted or connected with the inner wall of the housing; The side of the transmission gear facing away from the limiting member abuts against the inner wall of the shell through an abutment member, a rotating ladder is convexly provided on the side of the transmission gear facing the limiting member, and a matching ladder is provided on the side of the limiting member facing the transmission gear corresponding to the rotating ladder. Under the rotation trajectory of the transmission gear, the rotating ladder has a pressing state and an avoiding state; when the rotating ladder is in the pressing state, the rotating ladder presses against the matching ladder, the second elastic member is compressed between the limiting member and the inner wall of the shell, and the limiting member is in the avoiding position; when the rotating ladder is in the avoiding state, the rotating ladder avoids the matching ladder, the second elastic member is reset, and the limiting member is in the limiting position; A third limiting column is provided on one of the limiting member and the inner wall of the shell, and a limiting hole is provided on the other. The third limiting column is inserted into the limiting hole. The extension direction of the third limiting column and the depth direction of the limiting hole are parallel to the first direction.

2. The automatic electronic lock according to claim 1, characterized in that: The first elastic member includes a torsion spring; and / or the lock is provided with a first limiting column, the connecting section of the first elastic member is annular, and the connecting section is sleeved on the first limiting column; and / or the shell is provided with a second limiting column, and the second limiting column abuts against the side of the limiting arm away from the rotating arm.

3. The automatic electronic lock according to claim 1, characterized in that: The limiting groove has a first groove wall. When the lock buckle is in the unlocked state, the extension direction of the first groove wall is set at an angle to the groove depth direction of the locking groove. The first groove wall is set facing the notch of the locking groove. The lock body can abut against the first groove wall under the action of external force to drive the lock buckle to enter the locked state; and / or the lock body is arranged in a ring shape, and when the lock buckle is in the locked state, the groove wall forming the limiting groove is penetrated by the lock body.

4. An electronic device, characterized in that: Comprising the automatic electronic lock as described in any one of claims 1 to 3.

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