Electric footboard with locking function

Abstract

Provided is an electric footboard with a locking function. The electric footboard comprises a footboard, a telescopic mechanism and a locking device, wherein the footboard is suitable for being mounted on a vehicle; the telescopic mechanism is mounted on the vehicle and is connected to the footboard, and the telescopic mechanism is configured to drive the footboard to move between a first position and a second position relative to the vehicle; when the footboard is located at the first position, the footboard is in an extended state, and when the footboard is located at the second position, the footboard is in a retracted state, and an included angle is formed between the first position and the second position; and the locking device is arranged on the telescopic mechanism, and the locking device is configured to lock the footboard at the first position or the second position, or at any position between the first position and the second position.

Description

Electric step with locking function

[0001] CROSS-REFERENCE TO RELATED APPLICATIONS

[0002] This application claims priority to Chinese Patent Application No. 2024202522984 filed in China on February 1, 2024, the entire contents of which are incorporated herein by reference. Technical Field

[0003] The present disclosure relates to the technical field of electric pedals, and in particular to an electric pedal with a locking function. Background Art

[0004] An electric step is a type of foot pedal that automatically retracts and extends when the car door is opened, allowing for easy access. It retracts when the door is closed. However, some electric step pedals lack a locking mechanism. When a person steps on the pedal, the force of gravity applied to the pedal is transferred to the retracting mechanism, which can damage the internal components. Summary of the Invention

[0005] The present disclosure aims to solve at least one of the technical problems in the related art to a certain extent. To this end, an embodiment of the present disclosure provides an electric pedal with a locking function, which has the advantages of stable structure and strong bearing capacity.

[0006] The electric step with a locking function according to an embodiment of the present disclosure includes:

[0007] a pedal adapted to be mounted on a vehicle;

[0008] a telescopic mechanism, the telescopic mechanism being mounted on the vehicle and connected to the pedal, the telescopic mechanism being configured to drive the pedal to move between a first position and a second position relative to the vehicle, wherein the pedal is in an extended state when in the first position and is in a retracted state when in the second position, and an angle being defined between the first position and the second position;

[0009] A locking device is provided on the telescopic mechanism, and is used to lock the pedal at the first position, the second position, or any position between the first position and the second position.

[0010] In the electric pedal with a locking function of the embodiment of the present disclosure, the telescopic mechanism drives the pedal to move between the first position and the second position so that the user can step on the pedal in different states. The setting of the locking device allows the pedal to remain stable in any position. Moreover, the force applied to the pedal when it is stepped on can act on the locking device, thereby improving the bearing capacity of the pedal and protecting the telescopic mechanism.

[0011] In some embodiments, the locking device comprises:

[0012] a connecting plate, the connecting plate being provided on the telescopic mechanism, and one end of the driving shaft of the telescopic mechanism passing through the connecting plate along the thickness direction of the connecting plate;

[0013] a limiting member, the limiting member being located on a side of the connecting plate away from the telescopic mechanism and connected to one end of the driving shaft, the outer peripheral surface of the limiting member being provided with a notch;

[0014] a toggle member, the toggle member being provided on a side of the connecting plate facing away from the telescopic mechanism, the toggle member being rotatable relative to the connecting plate, and at least a portion of the toggle member being engaged with the recess;

[0015] A driving member is connected to the toggle member, and is used to drive the toggle member to rotate so that at least a portion of the toggle member is engaged with the recess or disengaged from the recess.

[0016] In some embodiments, there are a plurality of recesses, and the plurality of recesses are arranged at intervals in the circumferential direction around the outer circumferential surface of the limiting member.

[0017] In some embodiments, a cross-sectional area of ​​the recess gradually decreases from an end of the recess away from the center of the limiting member to an end of the recess adjacent to the center of the limiting member.

[0018] In some embodiments, the toggle member includes a body and an insert block, one end of the body is rotatably connected to the side of the connecting plate away from the telescopic mechanism, and the insert block is provided at the other end of the body and cooperates with the recess.

[0019] In some embodiments, a side surface of the body adjacent to the limiting member has a recess, and a cross-sectional area of ​​one end of the body is larger than a cross-sectional area of ​​the other end of the body.

[0020] In some embodiments, the locking device further comprises:

[0021] a friction-reducing ring, the friction-reducing ring being sleeved on one end of the driving shaft and being located between the limiting member and the connecting plate;

[0022] A fixed cover is provided on the side of the connecting plate away from the telescopic mechanism, the limiting member and the toggle member are located between the fixed cover and the connecting plate, and at least a portion of the driving member passes through the fixed cover and is connected to the toggle member.

[0023] In some embodiments, the locking device comprises:

[0024] a limiting plate, one end of which is connected to one end of the driving shaft of the telescopic mechanism;

[0025] an electromagnet, wherein at least a portion of the electromagnet cooperates with the other end of the limit plate. When the electromagnet is energized, at least a portion of the electromagnet is connected to the other end of the limit plate, and the limit plate limits the rotation of the driving shaft of the telescopic mechanism. When the electromagnet is de-energized, at least a portion of the electromagnet is disconnected from the other end of the limit plate, and the driving shaft of the telescopic mechanism can rotate.

[0026] An electromagnetic fixing cover is provided on the telescopic mechanism, the limiting plate is located between the electromagnetic fixing cover and the telescopic mechanism, and at least a portion of the electromagnet cooperates with the limiting plate through the electromagnetic fixing cover.

[0027] In some embodiments, the locking device is an electromagnetic brake.

[0028] In some embodiments, the telescopic mechanism includes a telescopic device and a motor, the motor is connected to the telescopic device, the locking device is arranged between the telescopic device and the motor, the locking device is connected to the telescopic device and the motor, and the motor locks the telescopic device by driving the locking device to rotate. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] FIG1 is an exploded schematic diagram of a first embodiment of an electric side step with a locking function according to an embodiment of the present disclosure.

[0030] FIG2 is a schematic diagram of the coordination of the shifting member and the limiting member of the electric pedal with a locking function according to an embodiment of the present disclosure.

[0031] FIG3 is a schematic diagram of a second embodiment of an electric side step with a locking function according to an embodiment of the present disclosure.

[0032] FIG4 is a schematic diagram of a third embodiment of an electric side step with a locking function according to an embodiment of the present disclosure.

[0033] FIG5 is a schematic diagram of a fourth embodiment of an electric side step with a locking function according to an embodiment of the present disclosure.

[0034] Figure numerals: 1. pedal; 2. telescopic mechanism; 21. telescopic device; 22. motor; 3. locking device; 31. connecting plate; 311. through hole; 32. limiting member; 321. notch; 322. long hole; 33. toggle member; 331. main body; 3311. recess; 332. insert; 34. driving member; 35. friction-reducing ring; 36. fixing cover; 41. limiting plate; 411. flat mouth; 412. through hole; 42. electromagnet; 43. electromagnetic fixing cover; 51. connecting shaft. DETAILED DESCRIPTION

[0035] The embodiments of the present disclosure are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to be used to explain the present disclosure, but should not be understood as limiting the present disclosure.

[0036] As shown in Figures 1-5, the electric pedal with a locking function of the embodiment of the present disclosure includes a pedal 1, a telescopic mechanism 2 and a locking device 3. The pedal 1 is suitable for installation on a vehicle. The telescopic mechanism 2 is installed on the vehicle and connected to the pedal 1. The telescopic mechanism 2 is used to drive the pedal 1 to move between a first position (not shown) and a second position (not shown) relative to the vehicle. When the pedal 1 is in the first position, the pedal 1 is in an extended state, so that it is convenient for stepping on when getting on and off the vehicle. When the pedal 1 is in the second position, the pedal 1 is in a retracted state, so that when the vehicle is driving, the pedal 1 is not easy to rub against surrounding objects. There is an angle between the first position and the second position, and the angle is greater than 0 degrees. The locking device 3 is provided on the telescopic mechanism 2, and the locking device 3 is used to lock the pedal 1 at the first position, the second position and any position between the first position and the second position.

[0037] In the electric pedal with a locking function of the embodiment of the present disclosure, the telescopic mechanism 2 drives the pedal 1 to move between the first position and the second position, so that the user can step on the pedal 1 in different states. The setting of the locking device 3 not only ensures that the pedal 1 remains stable in any position, but also allows the force applied to the pedal 1 when it is stepped on to act on the locking device 3, thereby improving the bearing capacity of the pedal 1 and protecting the internal parts of the telescopic mechanism 2 from being easily damaged.

[0038] In some embodiments, the locking device 3 includes a connecting plate 31, a stopper 32, a toggle member 33, and a drive member 34. The connecting plate 31 is disposed on the telescopic mechanism 2, and one end of the driving shaft of the telescopic mechanism 2 passes through the connecting plate 31 along the thickness direction of the connecting plate 31. In some specific embodiments, the driving shaft of the telescopic mechanism 2 controls the extension and retraction of the pedal 1 by rotating about its own extension direction. A through-hole 311 is provided in the middle of the connecting plate 31, which extends through the connecting plate 31 along the thickness direction of the connecting plate 31. One end of the driving shaft of the telescopic mechanism 2 can pass through the through-hole 311.

[0039] The stopper 32 is located on the side of the connecting plate 31 facing away from the telescopic mechanism 2 and is connected to one end of the driving shaft. The stopper 32 can rotate relative to the connecting plate 31 along with the driving shaft of the telescopic mechanism 2. A notch 321 is defined on the outer circumference of the stopper 32. In some embodiments, an elongated hole 322 is defined in the middle of the stopper 32. One end of the driving shaft of the telescopic mechanism 2 has an elongated cross-section, and the end of the driving shaft fits into the elongated hole 322. This ensures a secure fit between the stopper 32 and the driving shaft of the telescopic mechanism 2, preventing relative movement between the stopper 32 and the driving shaft of the telescopic mechanism 2.

[0040] The toggle member 33 is disposed on the side of the connecting plate 31 facing away from the telescopic mechanism 2. The toggle member 33 is rotatable relative to the connecting plate 31, with at least a portion of the toggle member 33 engaging with the recess 321. A driving member 34 is connected to the toggle member 33 and is configured to drive the toggle member 33 to rotate, causing at least a portion of the toggle member 33 to engage with or disengage from the recess 321. The driving member 34 is a motor.

[0041] In some specific embodiments, when the driver 34 drives at least a portion of the toggle member 33 to engage with the recess 321, the toggle member 33 can restrict the rotation of the stop member 32 relative to the connecting plate 31, thereby restricting the rotation of the driving shaft of the telescopic mechanism 2 and maintaining the pedal 1 stable in a certain position. When the driver 34 drives at least a portion of the toggle member 33 to disengage from the recess 321, the toggle member 33 no longer acts to limit the stop member 32. The stop member 32 can rotate along with the driving shaft of the telescopic mechanism 2, allowing the pedal 1 to move between the first position and the second position. Thus, limiting the position of the pedal 1 by driving the toggle member 33 by the driver 34 not only simplifies operation and improves locking effectiveness, but also allows the force applied to the pedal 1 when it is stepped on to act on the toggle member 33, preventing the force applied to the pedal 1 from being transmitted to the internal components of the telescopic mechanism 2 and protecting the internal components of the telescopic mechanism 2 from damage. Furthermore, the locking device 3 has a simple structure and is easy to assemble.

[0042] In some embodiments, there are multiple recesses 321, which are spaced apart circumferentially around the outer circumference of the stopper 32. In some embodiments, the outer circumference of the stopper 32 is cylindrical, and the multiple recesses 321 are evenly spaced apart around the outer circumference of the stopper 32. At least a portion of the toggle member 33 can engage with different recesses 321, allowing the locking device 3 to have multiple locking positions, thereby allowing the pedal 1 to have different position states.

[0043] In some embodiments, the cross-sectional area of ​​the recess 321 gradually decreases from one end of the recess 321 away from the center of the stopper 32 to the other end of the recess 321 adjacent to the center of the stopper 32 , making it easier to insert at least part of the toggle member 33 into the recess 321 .

[0044] In some embodiments, the toggle member 33 includes a body 331 and an insert block 332 . One end of the body 331 is rotatably connected to the side of the connecting plate 31 facing away from the telescopic mechanism 2 . The insert block 332 is provided at the other end of the body 331 and cooperates with the notch 321 .

[0045] In some embodiments, the body 331 is positioned above the stopper 32, and the insert 332 is positioned on the side of the body 331 adjacent to the stopper 32. A driving member 34 is connected to one end of the body 331 and rotates the body 331 at one end, thereby rotating the other end of the body 331. This in turn causes the insert 332 to perform a circular motion centered at one end of the body 331 and with the length of the body 331 as the radius. In some embodiments, the insert 332 rotates 90 degrees.

[0046] In some embodiments, the cross-sectional area of ​​the insert block 332 gradually decreases from the end of the insert block 332 adjacent to the body 331 to the end of the insert block 332 distal to the body 331, making it easier for the insert block 332 to be inserted into and mated with the recess 321. The fit between the insert block 332 and the recess 321 ensures that the insert block 332 is stably installed in the recess 321 and is not easily dislodged from the recess 321.

[0047] In some embodiments, the side of the body 331 adjacent to the stopper 32 has a recess 3311, and the cross-sectional area of ​​one end of the body 331 is larger than the cross-sectional area of ​​the other end of the body 331. In some embodiments, the provision of the recess 3311 prevents the side of the body 331 adjacent to the stopper 32 from contacting the outer circumference of the stopper 32 when the insert 332 engages with the notch 321, thereby reducing friction.

[0048] In some embodiments, the locking device 3 further includes a friction-reducing ring 35 and a fixed cover 36. The friction-reducing ring 35 is sleeved over one end of the driving shaft and positioned between the stopper 32 and the connecting plate 31 to reduce friction between the stopper 32 and the connecting plate 31, thereby extending the service life of the locking device 3. The fixed cover 36 is positioned on the side of the connecting plate 31 facing away from the telescopic mechanism 2. The stopper 32 and the toggle member 33 are positioned between the fixed cover 36 and the connecting plate 31. At least a portion of the driving member 34 passes through the fixed cover 36 and is connected to the toggle member 33.

[0049] In some embodiments, the fixed cover 36 is fixedly connected to the connecting plate 31, and an installation space (not shown) is formed between the fixed cover 36 and the connecting plate 31. The limiting member 32 and the toggle member 33 are located in the installation space, so that the limiting member 32 and the toggle member 33 are installed firmly, thereby improving the integrity and fit of the locking device 3 and ensuring that the various components of the locking device 3 are tightly fitted.

[0050] The structure of the locking device 3 is not limited to that described above. In some embodiments, the locking device 3 includes a limit plate 41, an electromagnet 42, and an electromagnet fixing cover 43. One end of the limit plate 41 is connected to one end of the driving shaft of the telescopic mechanism 2. In some embodiments, a flat opening 411 is provided at one end of the limit plate 41. The flat opening 411 engages with one end of the driving shaft of the telescopic mechanism 2, ensuring a secure connection between the limit plate 41 and the driving shaft of the telescopic mechanism 2, allowing the limit plate 41 to rotate along with the driving shaft of the telescopic mechanism 2.

[0051] At least a portion of the electromagnet 42 engages with the other end of the limit plate 41. When the electromagnet 42 is energized, at least a portion of the electromagnet 42 is connected to the other end of the limit plate 41, which restricts the rotation of the driving shaft of the telescopic mechanism 2, thereby limiting the position of the pedal 1. When the electromagnet 42 is de-energized, at least a portion of the electromagnet 42 is disconnected from the other end of the limit plate 41, allowing the driving shaft of the telescopic mechanism 2 to rotate, allowing the pedal 1 to rotate along with the driving shaft of the telescopic mechanism 2. In some embodiments, the other end of the limit plate 41 has a through hole 412. When the electromagnet 42 is energized, at least a portion of the electromagnet 42 engages with the through hole 412. When the electromagnet 42 is de-energized, at least a portion of the electromagnet 42 is disconnected from the through hole 412.

[0052] An electromagnetic fixing cover 43 is provided on the telescopic mechanism 2, with the limit plate 41 located between the electromagnetic fixing cover 43 and the telescopic mechanism 2. The electromagnet 42 is mounted on the electromagnetic fixing cover 43, with at least a portion of the electromagnet 42 engaging with the limit plate 41 through the electromagnetic fixing cover 43. The provision of the electromagnetic fixing cover 43 improves the integrity and coordination of the locking device 3, ensuring a tight fit between the various components of the locking device 3.

[0053] In some embodiments, locking device 3 is an electromagnetic brake. In some embodiments, the electromagnetic brake is installed on telescopic mechanism 2 and connected to the drive shaft of telescopic mechanism 2. When the electromagnetic brake is powered, the brake opens, locking telescopic mechanism 2 and maintaining the stability of pedal 1. When the electromagnetic brake is powered off, the brake closes, allowing telescopic mechanism 2 to move pedal 1.

[0054] In some embodiments, the telescopic mechanism 2 includes a telescopic device 21 and a motor 22, wherein the motor 22 is connected to the telescopic device 21. A locking device 3 is provided between the telescopic device 21 and the motor 22, and the locking device 3 is connected to the telescopic device 21 and the motor 22. The motor 22 locks the telescopic device 21 by driving the locking device 3 to rotate.

[0055] In some embodiments, the locking device 3 is a brake member, which is disposed between the telescopic mechanism 21 and the motor 22. A connecting shaft 51 is disposed between the brake member and the motor 22, and the motor 22 is connected to the brake member via the connecting shaft 51. The motor 22 drives the connecting shaft 51 in a forward and reverse rotation to release the brake member. At this time, the brake does not lock the telescopic mechanism 21. The motor 22 then drives the telescopic mechanism 21 to adjust the position of the pedal 1. Once the position of the pedal 1 is determined, the motor 22 drives the driving shaft of the telescopic mechanism 21 in a reverse direction. At this time, the brake is activated, locking the telescopic mechanism 2 and maintaining the stability of the pedal 1.

[0056] Therefore, the locking device 3 of the electric pedal with a locking function according to the embodiment of the present disclosure has multiple implementation forms, and each locking device 3 is easy to operate when used, thereby improving the practicality and applicability of the electric pedal 1.

[0057] In the description of the present disclosure, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present disclosure and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation to the present disclosure.

[0058] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features being referred to. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. Throughout the present disclosure, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.

[0059] In this disclosure, unless otherwise expressly specified or limited, terms such as "mounted," "connected," "connect," and "fixed" should be understood in a broad sense. For example, they may refer to fixed connections, detachable connections, or integration; mechanical connections, electrical connections, or communication between them; direct connections or indirect connections through an intermediate medium; and internal communication between two elements or interaction between two elements, unless otherwise expressly limited. Those skilled in the art will understand the specific meanings of the above terms in this disclosure based on specific circumstances.

[0060] In the present disclosure, unless otherwise expressly specified or limited, when a first feature is "above" or "below" a second feature, it may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Furthermore, when a first feature is "above," "above," or "above" a second feature, it may mean that the first feature is directly above or diagonally above the second feature, or simply means that the first feature is at a higher level than the second feature. When a first feature is "below," "below," or "below" a second feature, it may mean that the first feature is directly below or diagonally below the second feature, or simply means that the first feature is at a lower level than the second feature.

[0061] In the present disclosure, the terms "one embodiment", "some embodiments", "examples", "specific examples", or "some examples" mean that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present disclosure. In this specification, the schematic expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine different embodiments or examples described in this specification and features of different embodiments or examples without contradiction.

[0062] Although the above embodiments have been shown and described, it is understood that the above embodiments are illustrative and are not to be construed as limitations on the present disclosure. Changes, modifications, substitutions and variations of the above embodiments by those skilled in the art are all within the scope of protection of the present disclosure.

Claims

1. An electric step with a locking function, characterized in that: include: A pedal (1), wherein the pedal (1) is suitable for being mounted on a vehicle; a telescopic mechanism (2), the telescopic mechanism (2) being mounted on the vehicle and connected to the pedal (1), the telescopic mechanism (2) being used to drive the pedal (1) to move between a first position and a second position relative to the vehicle, the pedal (1) being in an extended state when the pedal (1) is in the first position, and being in a retracted state when the pedal (1) is in the second position, and an angle being formed between the first position and the second position; A locking device (3) is provided on the telescopic mechanism (2), and is used to lock the pedal (1) at the first position, the second position, and any position between the first position and the second position.

2. The electric step with locking function according to claim 1, characterized in that: The locking device (3) comprises: a connecting plate (31), the connecting plate (31) being provided on the telescopic mechanism (2), and one end of a driving shaft of the telescopic mechanism (2) passing through the connecting plate (31) along a thickness direction of the connecting plate (31); a limiting member (32), the limiting member (32) being located on a side of the connecting plate (31) away from the telescopic mechanism (2) and connected to one end of the driving shaft, and having a notch (321) on an outer peripheral surface of the limiting member (32); a toggle member (33), the toggle member (33) being arranged on a side of the connecting plate (31) facing away from the telescopic mechanism (2), the toggle member (33) being rotatable relative to the connecting plate (31), and at least a portion of the toggle member (33) being engaged with the notch (321); A driving member (34) is connected to the toggle member (33), and the driving member (34) is used to drive the toggle member (33) to rotate so that at least a portion of the toggle member (33) is engaged with the notch (321) or disengaged from the notch (321).

3. The electric step with locking function according to claim 2, characterized in that: There are a plurality of recesses (321), and the plurality of recesses (321) are arranged at intervals in the circumferential direction around the outer peripheral surface of the limiting member (32).

4. The electric step with locking function according to claim 2 or 3, characterized in that: The cross-sectional area of the notch (321) gradually decreases from an end of the notch (321) away from the center of the limiting member (32) to an end of the notch (321) adjacent to the center of the limiting member (32).

5. The electric step with locking function according to any one of claims 2 to 4, characterized in that: The toggle member (33) comprises a body (331) and an insert block (332); one end of the body (331) is rotatably connected to the side of the connecting plate (31) facing away from the telescopic mechanism (2); and the insert block (332) is provided at the other end of the body (331) and cooperates with the notch (321).

6. The electric side step with locking function according to claim 5, characterized in that: The side surface of the body (331) adjacent to the limiting member (32) has a recess (3311), and the cross-sectional area of one end of the body (331) is larger than the cross-sectional area of the other end of the body (331).

7. The electric side step with locking function according to any one of claims 2 to 6, characterized in that: The locking device (3) further comprises: a friction-reducing ring (35), wherein the friction-reducing ring (35) is sleeved on one end of the driving shaft, and the friction-reducing ring (35) is located between the limiting member (32) and the connecting plate (31); A fixed cover (36) is provided on a side of the connecting plate (31) facing away from the telescopic mechanism (2); the limiting member (32) and the toggle member (33) are located between the fixed cover (36) and the connecting plate (31); and at least a portion of the driving member (34) passes through the fixed cover (36) and is connected to the toggle member (33).

8. The electric side step with locking function according to any one of claims 1 to 7, characterized in that: The locking device (3) comprises: a limiting plate (41), one end of which is connected to one end of the driving shaft of the telescopic mechanism (2); an electromagnet (42), wherein at least a portion of the electromagnet (42) cooperates with the other end of the limiting disk (41); when the electromagnet (42) is energized, at least a portion of the electromagnet (42) is connected to the other end of the limiting disk (41), and the limiting disk (41) limits the rotation of the driving shaft of the telescopic mechanism (2); when the electromagnet (42) is de-energized, at least a portion of the electromagnet (42) is disconnected from the other end of the limiting disk (41), and the driving shaft of the telescopic mechanism (2) can rotate; An electromagnetic fixing cover (43) is provided on the telescopic mechanism (2), the limiting plate (41) is located between the electromagnetic fixing cover (43) and the telescopic mechanism (2), and at least a portion of the electromagnet (42) cooperates with the limiting plate (41) through the electromagnetic fixing cover (43).

9. The electric side step with locking function according to any one of claims 1 to 8, characterized in that: The locking device (3) is an electromagnetic brake.

10. The electric side step with locking function according to any one of claims 1 to 9, characterized in that: The telescopic mechanism (2) comprises a telescopic device (21) and a motor (22), wherein the motor (22) is connected to the telescopic device (21), and the locking device (3) is arranged between the telescopic device (21) and the motor (22). The locking device (3) is connected to the telescopic device (21) and the motor (22), and the motor (22) locks the telescopic device (21) by driving the locking device (3) to rotate.

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