Automobile electric side step unfolding structure with buffer self-locking function and use method thereof

Abstract

The application discloses a kind of automobile electric side pedal unfolding structure with buffer self-locking function and its using method, including being set in the multiple unfolding components of automobile electric side pedal side;The unfolding component includes mutually connected main frame, rotating frame and mounting bracket, mounting bracket is set in the bottom of automobile electric side pedal, rotating frame drive component is equipped between main frame and rotating frame, pedal drive component is equipped between the bottom of rotating frame and the end of mounting bracket, locking component is equipped between rotating frame and the back of automobile electric side pedal, and buffer component is equipped on the both sides of locking component;Locking component is cooperated by telescopic block, compression spring, locking groove, lock and inductor, realizes automatic locking after pedal unfolding to position;Buffer component absorbs impact in the process of unfolding, storing and locking by buffer plate, buffer spring and buffer pad;The present application can make electric side pedal smoothly unfold and store, and has the advantages of buffer self-locking, noise reduction, reliable load bearing, high safety and high intelligent degree.

Description

Technical Field

[0001] This invention specifically relates to an electric side pedal deployment structure for automobiles with a buffer self-locking function and its usage method. Background Technology

[0002] For some large vehicles, getting in and out of the vehicle can be inconvenient, making electric side steps a widely used intelligent and convenient feature. Conventional electric side steps rely on a motor-driven linkage mechanism to extend and retract the step; the step extends when the door is opened, allowing passengers to step on it to get in and out; after the door is closed, the step retracts under the vehicle chassis, ensuring vehicle passability. Most mainstream electric side steps on the market currently rely on a motor paired with a worm gear reducer to achieve position locking, while using rigid limit blocks to limit the extension and retraction at their extreme positions.

[0003] The existing electric side step deployment mechanism lacks an independent mechanical self-locking structure in actual vehicle use, relying entirely on a worm gear pair for self-locking when deployed. The impact load generated by passengers stepping on the pedal and the vibration load from vehicle movement continuously act on the transmission gears and motor output. Long-term heavy load can easily cause wear on the worm gear teeth and increased backlash, resulting in pedal sagging, wobbling, and abnormal noise. In severe cases, transmission failure may occur. Once the motor is powered off or the transmission mechanism is damaged, there is a risk that the pedal may retract unexpectedly, resulting in poor safety.

[0004] Currently, the pedals lack a cushioning and shock absorption structure when fully extended, causing the connecting rod to directly impact the rigid limiting block, resulting in significant impact noise and vibration. The impact force is transmitted along the connecting rod to the motor and chassis mounting bracket, accelerating the wear of the hinge pins and connecting rod holes, which can easily lead to loosening over time. Some simple cushioning solutions only use a single rubber pad, which has a short cushioning stroke and limited cushioning capacity, failing to absorb instantaneous impacts. The rubber parts are prone to rapid aging and breakage, resulting in short maintenance cycles.

[0005] Therefore, it is necessary to invent a car electric side pedal deployment structure with a buffer self-locking function and its usage method to solve the above problems. Summary of the Invention

[0006] (a) Purpose of the invention

[0007] The purpose of this invention is to provide a car electric side pedal deployment structure with a buffer self-locking function and its usage method.

[0008] (II) Technical Solution

[0009] To achieve the above objectives, the present invention provides the following technical solution: a car electric side pedal unfolding structure with buffer self-locking function, comprising a plurality of unfolding components disposed on one side of the car electric side pedal, wherein the plurality of unfolding components control the unfolding and retraction of the car electric side pedal;

[0010] The unfolding assembly includes a main frame, a rotating frame, and a mounting frame that are connected to each other. The mounting frame is located at the bottom of the electric side step of the vehicle. A rotating frame drive assembly is provided between the main frame and the rotating frame. A pedal drive assembly is provided between the bottom of the rotating frame and the end of the mounting frame. A locking assembly is also provided on the rotating frame and between the back of the electric side step of the vehicle. The locking assembly is adapted to lock the electric side step of the vehicle. Buffer assemblies are also provided on both sides of the locking assembly.

[0011] Preferably, the main frame has support rods extending from both sides of its end, and the support rods have main frame holes at their ends. The rotating frame has rotating ears on both its upper and lower ends. A main shaft is installed between the upper rotating ear and the main frame hole. One end of the mounting frame has a connecting ear, and the other end has a reinforcing rib. A secondary shaft is provided between the connecting ear and the lower rotating ear. Two sets of secondary shafts are provided. The reinforcing rib is located at the bottom of the electric vehicle side step.

[0012] Preferably, the rotating frame drive assembly includes a main drive unit disposed on the top of the main frame, and two sets of connecting bridges are provided at the bottom of the main drive unit. A rotating frame drive arm is installed between the two sets of connecting bridges. One end of the rotating frame drive arm is provided with rotating heads adapted to the connecting bridges on both sides, and the other end is provided with a buckle. The buckle is connected to the locking assembly.

[0013] Preferably, the locking assembly includes a telescopic cavity disposed within the rotating frame. One end of the telescopic cavity extends through the frame, and the other end has a pull hole. A telescopic block is installed within the telescopic cavity. A pull rod is provided at the end of the telescopic block, and the pull rod passes through the pull hole to the outside. A pull ring is provided at the end of the pull rod, and the pull ring is connected to the buckle. A limiting plate is provided on the outer wall of the telescopic block. Multiple sets of compression springs are provided between the end of the limiting plate and the inner wall of the end of the telescopic cavity. The compression springs are located on both sides of the pull rod. Locking grooves are also provided on both sides of the telescopic block. A slot is provided on the back of the electric vehicle side pedal to match the telescopic block. Locking devices adapted to the locking groove are provided on both sides of the slot opening. A sensor is also provided on the back of the electric vehicle side pedal above the slot, and the sensor is electrically connected to the locking device.

[0014] Preferably, the outer slot of the telescopic cavity is provided with a limiting frame adapted to the limiting plate, and the back of the limiting plate is also provided with a positioning groove adapted to install the compression spring, and the telescopic cavity extends to the outside of the rotating frame.

[0015] Preferably, the pedal drive assembly includes multiple sets of fixed ears disposed at the bottom of the rotating frame. A drive telescopic rod is mounted on the outside of the fixed ears. The end of the drive telescopic rod is provided with a connecting ear that matches the fixed ears, and the other end is provided with a rotating sleeve. The end of the mounting frame is provided with a docking platform that connects to the drive telescopic rod. Multiple sets of connecting bases are provided on the docking platform. A first fixed shaft is provided between the connecting ear and the fixed ear, and a second fixed shaft is provided between the rotating sleeve and the connecting base. The drive telescopic rod drives the electric side pedal of the vehicle to rotate around the end of the rotating frame.

[0016] Preferably, the top of the docking platform is a slope.

[0017] Preferably, the buffer assembly includes a mounting groove disposed on the front of the rotating frame and located on both sides of the locking assembly. A buffer plate is installed in the mounting groove. A plurality of buffer springs are provided between the end of the buffer plate and the bottom of the mounting groove. A limiting baffle is provided at the opening of the mounting groove. An extension plate adapted to the limiting baffle is provided at the edge of the end of the buffer plate. A buffer pad is also provided on the outer end face of the buffer plate.

[0018] Preferably, the top of the electric side pedal of the car is provided with multiple evenly spaced anti-slip grooves, and its bottom is generally arc-shaped.

[0019] A method of using an electric side step deployment structure for automobiles with a buffer self-locking function includes:

[0020] S1. The electric side step of the car is in the storage state, the main frame, rotating frame and mounting frame are in the folded and retracted state, the locking component is unlocked and reset, and the buffer component is in the initial standby state.

[0021] S2. The main driver of the rotating frame drive assembly drives the connecting bridge and the rotating frame drive arm to move. The buckle at the end of the rotating frame drive arm pulls the pull ring and pull rod of the locking assembly, causing the telescopic block to retract in the telescopic cavity of the rotating frame, compressing the compression spring, and at the same time driving the rotating frame to rotate.

[0022] S3. The extension and retraction of the drive telescopic rod of the pedal drive assembly is achieved by the two ends of the drive telescopic rod being hinged to the fixed ears and the connecting base via fixed shaft one and fixed shaft two, respectively. The drive rotating frame rotates around the main shaft and the auxiliary shaft relative to the main frame and the mounting frame, thereby causing the electric side pedal of the car to flip outward and unfold.

[0023] S4. After the pedal is fully extended, the compression spring rebounds and pushes the limit plate and telescopic block out. The sensor detects that the pedal is close to the rotating frame and drives the lock to engage in the locking groove, thus achieving self-locking and fixing of the pedal in the extended position.

[0024] S5. During the entire process of the pedal unfolding and positioning, the buffer components on both sides of the locking component work, the buffer spring in the installation slot buffers the force, and drives the buffer plate and buffer pad to flexibly abut the pedal. The limit baffle and extension plate limit and prevent detachment.

[0025] S6. After receiving the storage signal, the sensor controls the lock to release the latch, the rotating frame drive assembly pulls the telescopic block to unlock again, drives the telescopic rod to move in the opposite direction, drives the rotating frame to swing back, and drives the car's electric side pedal to retract and reset, and all components return to the initial standby state.

[0026] Compared with the prior art, the beneficial effects of the above-mentioned technical solution of the present invention are:

[0027] 1. In this invention, multiple unfolding components work together to control the unfolding and retraction of the electric side pedal of the car. The main frame, rotating frame, and mounting frame are connected by a main shaft, a secondary shaft, etc., and are driven by the rotating frame drive component and the pedal drive component respectively, so that the pedal moves smoothly and the force is evenly distributed, avoiding unilateral shaking or jamming, and improving the reliability and load-bearing stability of unfolding and retraction.

[0028] 2. In the locking assembly of this invention, the telescopic block, compression spring, locking groove, locking device, and sensor cooperate with each other. When the pedal is fully extended, the sensor can detect the position and control the locking device to act, so that the locking device engages with the locking groove to achieve mechanical self-locking. This can effectively prevent the pedal from retracting or shaking due to vehicle vibration, stepping, or external force, thus improving safety. At the same time, the pull ring is connected to the buckle of the rotating frame drive arm, which can realize the linkage of driving and unlocking actions, making operation convenient and reliable.

[0029] 3. The locking component of this invention is equipped with buffer components on both sides. The buffer plate, buffer spring, limit baffle and buffer pad absorb the impact force generated when the pedal is unfolded, retracted and locked, reduce rigid collision and noise, and prevent the locking component and pedal structure from being damaged by impact, thereby extending service life and improving user comfort. Attached Figure Description

[0030] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this invention. For those skilled in the art, other drawings can be obtained based on these drawings.

[0031] Figure 1 This is a schematic diagram of the overall structure of the present invention. Figure 1 ;

[0032] Figure 2 This is a schematic diagram of the overall structure of the present invention. Figure 2 ;

[0033] Figure 3 This is a schematic diagram of the overall structure of the present invention. Figure 3 ;

[0034] Figure 4 This is a schematic diagram of the disassembled structure of the electric side step and unfolding assembly of the present invention. Figure 1 ;

[0035] Figure 5 This is a schematic diagram of the disassembled structure of the electric side step and unfolding assembly of the present invention. Figure 2 ;

[0036] Figure 6 This is a schematic diagram of the storage structure for the electric side pedal of the automobile according to the present invention;

[0037] Figure 7 This is a schematic diagram of the disassembled structure of the pedal drive assembly of the present invention. Figure 1 ;

[0038] Figure 8 This is a schematic diagram of the disassembled structure of the pedal drive assembly of the present invention. Figure 2 ;

[0039] Figure 9 This is a schematic diagram of the split structure of the buffer component of the present invention;

[0040] Figure 10 This is a schematic diagram of the disassembled structure of the rotating frame drive assembly of the present invention. Figure 1 ;

[0041] Figure 11 This is a schematic diagram of the disassembled structure of the rotating frame drive assembly of the present invention. Figure 2 ;

[0042] Figure 12 This is a schematic diagram of the disassembled structure of the main frame and rotating frame of the present invention.

[0043] Explanation of reference numerals in the attached figures:

[0044] 1. Electric side step for automobile; 11. Slot; 12. Anti-slip groove; 2. Deployment assembly; 21. Main frame; 211. Support rod; 212. Main frame hole; 22. Rotating frame; 221. Rotating ear; 23. Mounting bracket; 231. Connecting ear; 232. Reinforcing rib; 24. Main shaft; 25. Sub-shaft; 3. Rotating frame drive assembly; 31. Main driver; 32. Connecting bridge; 33. Rotating frame drive arm; 34. Rotating head; 35. Buckle; 4. Pedal drive assembly; 41. Fixing ear; 42. Drive telescopic rod; 43. Connecting ear; 4 4. Rotating sleeve; 45. Docking platform; 46. Connecting base; 47. Fixed shaft one; 48. Fixed shaft two; 5. Locking assembly; 51. Telescopic cavity; 511. Limiting frame; 52. Pull hole; 53. Telescopic block; 531. Locking groove; 54. Pull rod; 55. Pull ring; 56. Limiting plate; 561. Positioning groove; 57. Compression spring; 58. Locking device; 59. Sensor; 6. Buffer assembly; 61. Mounting groove; 62. Buffer plate; 63. Buffer spring; 64. Limiting baffle; 65. Extension plate; 66. Buffer pad. Detailed Implementation

[0045] To enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings.

[0046] This invention provides, for example Figure 1-12 The diagram shows an electric side pedal deployment structure with a buffer self-locking function, which includes multiple deployment components 2 disposed on one side of the electric side pedal 1, and the multiple deployment components 2 control the electric side pedal 1 to be deployed and stored.

[0047] The unfolding component 2 includes a main frame 21, a rotating frame 22 and a mounting frame 23 that are connected to each other. The mounting frame 23 is located at the bottom of the electric side step 1 of the vehicle. A rotating frame drive component 3 is provided between the main frame 21 and the rotating frame 22. A pedal drive component 4 is provided between the bottom of the rotating frame 22 and the end of the mounting frame 23. A locking component 5 is also provided on the rotating frame 22 and between the back of the electric side step 1 of the vehicle. The locking component 5 is adapted to lock the electric side step 1 of the vehicle. Buffer components 6 are also provided on both sides of the locking component 5.

[0048] Specifically, support rods 211 extend from both sides of the end of the main frame 21, and the end of the support rods 211 is provided with a main frame hole 212. Rotating ears 221 are provided on both the upper and lower ends of the rotating frame 22. A main shaft 24 is installed between the upper rotating ear 221 and the main frame hole 212. A docking ear 231 extends from one end of the mounting frame 23, and a reinforcing rib 232 is provided at the other end. A secondary shaft 25 is provided between the docking ear 231 and the lower rotating ear 221. Two sets of secondary shafts 25 are provided. The reinforcing rib 232 is provided at the bottom of the electric vehicle side step 1.

[0049] Specifically, the rotating frame drive assembly 3 includes a main driver 31 located at the top of the main frame 21. The bottom of the main driver 31 is provided with two sets of connecting bridges 32. A rotating frame drive arm 33 is installed between the two sets of connecting bridges 32. One end of the rotating frame drive arm 33 is provided with rotating heads 34 adapted to the connecting bridges 32 on both sides, and the other end is provided with a buckle 35. The buckle 35 is connected to the locking assembly 5.

[0050] Specifically, the locking assembly 5 includes a telescopic cavity 51 disposed within the rotating frame 22. One end of the telescopic cavity 51 is through-hole, and the other end is provided with a pull hole 52. A telescopic block 53 is installed inside the telescopic cavity 51. A pull rod 54 is provided at the end of the telescopic block 53, and the pull rod 54 passes through the pull hole 52 to the outside. A pull ring 55 is provided at the end of the pull rod 54, and the pull ring 55 is connected to the buckle 35. A limiting plate 56 is provided on the outer wall of the telescopic block 53. Multiple sets of compression springs 57 are provided between the end of the limiting plate 56 and the inner wall of the end of the telescopic cavity 51. The compression springs 57 are located on both sides of the pull rod 54. Locking grooves 531 are also provided on both sides of the telescopic block 53. A slot 11 is provided on the back of the electric vehicle side pedal 1 to match the telescopic block 53. Lockers 58 adapted to the locking groove 531 are provided on both sides of the slot 11. A sensor 59 is also provided on the back of the electric vehicle side pedal 1 above the slot 11. The sensor 59 is electrically connected to the locker 58.

[0051] Specifically, the outer slot of the telescopic cavity 51 is provided with a limiting frame 511 adapted to the limiting plate 56, and the back of the limiting plate 56 is also provided with a positioning groove 561 adapted to install the compression spring 57. The telescopic cavity 51 extends to the outside of the rotating frame 22.

[0052] Specifically, the pedal drive assembly 4 includes multiple sets of fixed ears 41 disposed at the bottom of the rotating frame 22. A drive telescopic rod 42 is mounted on the outside of the fixed ears 41. The end of the drive telescopic rod 42 is provided with a connecting ear 43 that matches the fixed ears 41, and the other end is provided with a rotating sleeve 44. The end of the mounting frame 23 is provided with a docking platform 45 that connects to the drive telescopic rod 42. Multiple sets of connecting bases 46 are provided on the docking platform 45. A first fixed shaft 47 is provided between the connecting ear 43 and the fixed ear 41. A second fixed shaft 48 is provided between the rotating sleeve 44 and the connecting base 46. The drive telescopic rod 42 drives the electric side pedal 1 of the car to rotate around the end of the rotating frame 22.

[0053] Specifically, the top of docking platform 45 is a slope.

[0054] Specifically, the buffer assembly 6 includes a mounting groove 61 located on the front of the rotating frame 22 and on both sides of the locking assembly 5. A buffer plate 62 is installed in the mounting groove 61. Multiple buffer springs 63 are provided between the end of the buffer plate 62 and the bottom of the mounting groove 61. A limiting baffle 64 is provided at the opening of the mounting groove 61. An extension plate 65 adapted to the limiting baffle 64 is provided at the edge of the end of the buffer plate 62. A buffer pad 66 is also provided on the outer end face of the buffer plate 62.

[0055] Specifically, the top of the electric side step 1 of the car is provided with multiple evenly spaced anti-slip grooves 12, and its bottom is generally arc-shaped.

[0056] In this invention, the main frame 21 has integrally formed support rods 211 extending from both ends, with circular main frame holes 212 at the ends of the support rods 211. The rotating frame 22 has integrally formed rotating ears 221 on both its upper and lower ends. A main shaft 24 is threaded through the rotating ear 221 at the upper end of the rotating frame 22 and hinged to the main frame hole 212, allowing the rotating frame 22 to rotate and swing around the main shaft 24. The mounting frame 23 has an integrally formed reinforcing rib 232 structure at one end, which is tightly fitted and fixed to the bottom of the electric side step 1 of the car, improving the load-bearing strength and stability of the mounting frame 23. Two sets of symmetrically arranged secondary shafts 25 are assembled between the connecting ear 231 of the mounting frame 23 and the rotating ear 221 at the lower end of the rotating frame 22, realizing a rotatable connection between the rotating frame 22 and the mounting frame 23, forming a stable quadrilateral hinged transmission structure, ensuring the smoothness of the electric side step 1 during movement.

[0057] In this invention, the rotating frame drive assembly 3 serves as the power control structure for the swinging of the rotating frame 22 and is fixedly mounted on the top of the main frame 21. A main drive unit 31 is fixedly mounted on the top of the main frame 21. The main drive unit 31 is an electrically telescopic drive structure that can receive electrical signals from the vehicle body control system to achieve automatic telescopic drive. Two sets of connecting bridges 32 are symmetrically arranged at the bottom of the main drive unit 31, and a rotating frame drive arm 33 is movably engaged between the two sets of connecting bridges 32. Rotating heads 34, which are adapted to the connecting bridges 32, are integrally formed on both sides of one end of the rotating frame drive arm 33. Through the hinged engagement between the rotating heads 34 and the connecting bridges 32, the rotating frame drive arm 33 can swing along with the main drive unit 31. A retaining ring 35 is fixedly provided at the other end of the rotating frame drive arm 33. This retaining ring 35 is fixedly connected to the pull ring 55 at the end of the locking assembly 5, realizing the linkage control between the rotating frame drive assembly 3 and the locking assembly 5, and enabling the rotating frame 22 to swing and lock / unlock actions synchronously.

[0058] In this invention, the locking component 5 is the core self-locking structure of the device, embedded inside the rotating frame 22, used to lock and fix the electric side pedal 1 of the car after it is deployed to the correct position, preventing the pedal from loosening or shaking. A through-type telescopic cavity 51 is provided inside the rotating frame 22. One end of the telescopic cavity 51 extends through the outside of the rotating frame 22, and the other end is closed and has a centrally located pull hole 52. A telescopic block 53 is slidably mounted inside the telescopic cavity 51. A pull rod 54 is fixedly connected to the center of the telescopic block 53. The pull rod 54 extends through the pull hole 52 to the outside of the rotating frame 22. A pull ring 55 is mounted on the outer end of the pull rod 54 and is fixedly connected to the buckle 35 of the rotating frame drive component 3.

[0059] Specifically, a limiting plate 56 is integrally arranged around the outer wall of the telescopic block 53. Multiple sets of compression springs 57 are evenly arranged between the limiting plate 56 and the inner wall of the end of the telescopic cavity 51. All compression springs 57 are symmetrically distributed on both sides of the pull rod 54, and a positioning groove 561 adapted to the end of the compression spring 57 is opened on the back of the limiting plate 56 to achieve positioning and assembly of the compression spring 57 and prevent the spring from shifting and jamming. A limiting frame 511 is fixedly installed in the slot on the outside of the telescopic cavity 51. The limiting frame 511 is adapted to the limiting plate 56 and can limit the maximum extension stroke of the telescopic block 53 to prevent the telescopic block 53 from detaching from the telescopic cavity 51.

[0060] Meanwhile, locking slots 531 are symmetrically formed on both sides of the telescopic block 53. A slot 11 is formed on the back of the electric side step 1 at a position corresponding to the telescopic block 53. Locking devices 58, adapted to the locking slots 531, are embedded on both sides of the slot 11. The locking devices 58 have a spring-loaded snap-fit ​​structure. A sensor 59 is embedded on the back of the electric side step 1, above the slot 11. The sensor 59 is electrically connected to the locking devices 58 and can sense the unfolded and retracted position of the electric side step 1 in real time, providing signal support for locking and unlocking actions.

[0061] In this invention, the pedal drive assembly 4 is the core power structure for the rotation, unfolding, and retraction of the electric side pedal 1 of the vehicle, and is assembled between the bottom of the rotating frame 22 and the end of the mounting frame 23. Multiple sets of fixing ears 41 are evenly fixed to the bottom of the rotating frame 22, and a drive telescopic rod 42 is hinged to the outside of the fixing ears 41. One end of the drive telescopic rod 42 has an integrally formed connecting ear 43, and a fixing shaft 47 passes through the connecting ear 43 and the fixing ear 41 to complete the hinged fixation. A rotating sleeve 44 is provided at the other end of the drive telescopic rod 42. The end of the mounting frame 23 has an integrally formed docking platform 45, the top of which is set as a sloped structure to accommodate the multi-angle swing of the drive telescopic rod 42 and avoid motion interference.

[0062] Specifically, multiple sets of connecting bases 46 are fixedly installed on the docking platform 45. The rotating sleeve 44 is hinged to the connecting base 46 through a fixed shaft 48, allowing the drive telescopic rod 42 to rotate and swing around the connecting base 46. Through the extension and retraction of the drive telescopic rod 42, the mounting frame 23 and the entire electric side step 1 of the car can be rotated around the end of the rotating frame 22, accurately completing the unfolding and retraction stroke of the electric side step 1 of the car.

[0063] In this invention, buffer components 6 are symmetrically arranged on the left and right sides of locking components 5 to buffer the impact stress during the movement of the electric side pedal 1 of the car, reducing collision noise and structural wear. Rectangular mounting slots 61 are symmetrically opened on the front of the rotating frame 22 and on both sides of the locking components 5. A buffer plate 62 is slidably mounted inside each mounting slot 61. Multiple sets of buffer springs 63 are evenly arranged between the inner end of the buffer plate 62 and the bottom of the mounting slot 61 to achieve elastic expansion and contraction of the buffer plate 62. A limiting baffle 64 is fixedly installed at the opening of the mounting slot 61. An extension plate 65 is integrally formed from the end edge of the buffer plate 62. The extension plate 65 cooperates with the limiting baffle 64 to limit the ejection stroke of the buffer plate 62, preventing the buffer plate 62 from detaching from the mounting slot 61. Simultaneously, a high-elasticity buffer pad 66 is adhered and fixed to the outer end face of the buffer plate 62 to further improve the buffering and noise reduction effect.

[0064] In addition, the top of the electric side step 1 of the car is evenly provided with multiple sets of equally spaced anti-slip grooves 12, which can greatly improve the stepping friction and prevent people from slipping when getting on and off the car; the bottom of the electric side step 1 of the car adopts an arc structure design, which fits the chassis assembly arc, reduces chassis wind resistance, and at the same time reserves assembly space for each structure to avoid movement interference.

[0065] A method of using an electric side step deployment structure for automobiles with a buffer self-locking function includes:

[0066] S1. The electric side step 1 of the car is in the storage state, the main frame 21, the rotating frame 22, the mounting frame 23 are in the folded and retracted state, the locking component 5 is unlocked and reset, and the buffer component 6 is in the initial standby state.

[0067] S2. The main driver 31 of the rotating frame drive assembly 3 drives the connecting bridge 32 and the rotating frame drive arm 33 to move. The end buckle 35 of the rotating frame drive arm 33 pulls the pull ring 55 and pull rod 54 of the locking assembly 5, causing the telescopic block 53 to retract in the telescopic cavity 51 of the rotating frame 22, compressing the compression spring 57, and at the same time driving the rotating frame 22 to rotate.

[0068] S3. The extension and retraction of the drive telescopic rod 42 of the pedal drive assembly 4 are achieved by the extension and retraction of the drive telescopic rod 42. The two ends of the drive telescopic rod 42 are respectively hinged to the fixed ear 41 and the connecting base 46 via the fixed shaft 1 47 and the fixed shaft 2 48. The drive rotating frame 22 rotates around the main shaft 24 and the secondary shaft 25 relative to the main frame 21 and the mounting frame 23, thereby causing the electric side pedal 1 of the car to flip outward and unfold.

[0069] S4. After the pedal is fully extended, the compression spring 57 rebounds and pushes the limit plate 56 and the telescopic block 53 to extend. The sensor 59 detects that the pedal is close to the rotating frame 22 and drives the lock 58 to engage in the locking groove 531, thereby achieving self-locking and fixing of the pedal in the extended position.

[0070] S5. During the entire process of the pedal unfolding and positioning, the buffer components 6 on both sides of the locking component 5 work, the buffer spring 63 in the mounting groove 61 buffers the force, and drives the buffer plate 62 and buffer pad 66 to flexibly abut the pedal, and the limit baffle 64 and extension plate 65 limit and prevent detachment.

[0071] S6. After receiving the storage signal, the sensor 59 controls the locker 58 to release the lock, the rotating frame drive assembly 3 pulls the telescopic block 53 to unlock, drives the telescopic rod 42 to move in the opposite direction, drives the rotating frame 22 to swing back, and drives the electric side pedal 1 of the car to retract and reset, and all components return to the initial standby state.

[0072] In this invention, the device adopts a dual-drive linkage mode, ensuring smooth, precise, and seamless unfolding and retraction. When the vehicle is unlocked and the door is opened, the vehicle control system sends an electrical signal, causing the drive telescopic rod 42 of the pedal drive assembly 4 to extend, driving the mounting bracket 23 and the electric side pedal 1 to rotate outward around the end of the rotating frame 22. Simultaneously, the main drive 31 of the rotating frame drive assembly 3 works synchronously, driving the rotating frame drive arm 33 to swing, which, in conjunction with the hinged structure, links the rotating frame 22 to rotate around the main shaft 24. Multiple unfolding assemblies 2 operate synchronously, allowing the electric side pedal 1 to smoothly unfold outward to the preset working position, fully meeting the needs of people getting on and off the vehicle.

[0073] When the vehicle is locked and the doors are closed, the system automatically sends a retraction signal, driving the telescopic rod 42 to retract. This causes the electric side step 1 to rotate in the opposite direction and reset, while the rotating frame 22 swings in the opposite direction, ensuring the electric side step 1 precisely fits against the bottom of the vehicle chassis for retraction. After retraction, the electric side step 1 fits tightly against the chassis with no exposed redundant structures, thus not increasing wind resistance or scraping against road obstacles, and is suitable for normal driving and parking conditions. The entire deployment and retraction process is electrically automated, with fast response, high synchronization, and no deviation or jamming.

[0074] In this invention, after the electric side step 1 of the car is fully extended, the sensor 59 detects the position of the step in real time and sends a locking signal, and the locking component 5 automatically completes the self-locking action. At this time, the rotating frame drive arm 33 resets, releasing the pulling limit on the pull rod 54; the compression spring 57 inside the telescopic cavity 51 rebounds and pushes the limiting plate 56, causing the telescopic block 53 to pop outward along the telescopic cavity 51, so that the end of the telescopic block 53 is embedded in the slot 11 on the back of the electric side step 1 of the car. At the same time, the locking devices 58 on both sides of the slot 11 and the locking grooves 531 on both sides of the telescopic block 53 precisely engage and cooperate, realizing bidirectional locking, firmly fixing the telescopic block 53 and the electric side step 1 of the car into one unit, thereby locking the relative position of the rotating frame 22 and the electric side step 1 of the car.

[0075] After self-locking, the electric side step 1 of the car has no vertical or horizontal wobbling gap, completely solving the problems of looseness, abnormal noise, and vibration after the traditional electric step 1 is unfolded, and greatly improving the stability and safety of stepping. When the electric side step 1 of the car needs to be stored, the sensor 59 receives the storage signal, and the lock 58 automatically unlocks; at the same time, the main drive 31 pulls the rotating frame drive arm 33, and pulls the pull rod 54 through the buckle 35 and pull ring 55, which drives the telescopic block 53 to compress the compression spring 57 and retract it from the slot 11, releasing the self-locking state. The electric side step 1 of the car can be smoothly stored. The unlocking and locking actions are precisely linked, without delay or jamming.

[0076] In this invention, the buffer assembly 6 continuously provides cushioning and protection throughout the entire process of unfolding and retracting the electric side pedal 1. When the electric side pedal 1 moves, the back of the pedal flexibly contacts the buffer pad 66 on the outer end face of the buffer plate 62. Combined with the elastic extension and contraction of the buffer spring 63 inside the mounting groove 61, this effectively absorbs the impact stress generated during the swinging process of the electric side pedal 1, preventing direct rigid collisions between the metal structures. On one hand, this significantly reduces the mechanical noise during the pedal's start-stop and swinging processes, eliminating abnormal noises during driving and getting in and out of the vehicle; on the other hand, it effectively buffers the structural stress, reducing rigid wear on the hinge points, drive structure, and locking assembly 5, and significantly extending the overall service life of the device.

[0077] Meanwhile, the buffer components 6 are symmetrically arranged on both sides of the locking components 5, which can balance the force on both sides of the electric side pedal 1 of the car, avoid the force deviation on one side of the pedal, further improve the stability of the pedal movement, protect the core structure of the locking components 5, and prevent the locking structure from being misaligned or failing due to impact.

[0078] The foregoing has only described certain exemplary embodiments of the present invention by way of illustration. Undoubtedly, those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the foregoing drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A motor vehicle electric side pedal deployment structure with a buffer self-locking function, characterized in that: It includes multiple unfolding components (2) disposed on one side of the electric side pedal (1) of the vehicle, and the multiple unfolding components (2) control the unfolding and storage of the electric side pedal (1); The unfolding assembly (2) includes a main frame (21), a rotating frame (22) and a mounting frame (23) connected to each other. The mounting frame (23) is located at the bottom of the electric side step (1) of the vehicle. A rotating frame drive assembly (3) is provided between the main frame (21) and the rotating frame (22). A pedal drive assembly (4) is provided between the bottom of the rotating frame (22) and the end of the mounting frame (23). A locking assembly (5) is also provided on the rotating frame (22) and between the back of the electric side step (1) of the vehicle. The locking assembly (5) is adapted to lock the electric side step (1) of the vehicle. Buffer assemblies (6) are also provided on both sides of the locking assembly (5).

2. The electric side pedal deployment structure for automobiles with a buffer self-locking function according to claim 1, characterized in that: The main frame (21) has support rods (211) extending from both sides of its end. The support rods (211) have main frame holes (212) at their ends. The rotating frame (22) has rotating ears (221) on both the upper and lower ends. A main shaft (24) is installed between the upper rotating ear (221) and the main frame hole (212). The mounting frame (23) has a docking ear (231) extending from one end and a reinforcing rib (232) at the other end. A secondary shaft (25) is provided between the docking ear (231) and the lower rotating ear (221). The secondary shaft (25) has two sets. The reinforcing rib (232) is located at the bottom of the electric vehicle side pedal (1).

3. The electric side pedal deployment structure for automobiles with a buffer self-locking function according to claim 1, characterized in that: The rotating frame drive assembly (3) includes a main driver (31) disposed on the top of the main frame (21). The bottom of the main driver (31) is provided with two sets of connecting bridges (32). A rotating frame drive arm (33) is installed between the two sets of connecting bridges (32). One end of the rotating frame drive arm (33) is provided with rotating heads (34) adapted to the connecting bridges (32) on both sides, and the other end is provided with a buckle (35). The buckle (35) is connected to the locking assembly (5).

4. The electric side pedal deployment structure for automobiles with a buffer self-locking function according to claim 3, characterized in that: The locking assembly (5) includes a telescopic cavity (51) disposed within the rotating frame (22). One end of the telescopic cavity (51) is through-hole, and the other end is provided with a pull hole (52). A telescopic block (53) is installed inside the telescopic cavity (51). A pull rod (54) is provided at the end of the telescopic block (53), and the pull rod (54) passes through the pull hole (52) to the outside. A pull ring (55) is provided at the end of the pull rod (54), and the pull ring (55) is connected to the buckle (35). A limiting plate (56) is provided on the outer wall of the telescopic block (53), and the end of the limiting plate (56) is connected to the telescopic block (53). Multiple compression springs (57) are provided between the inner walls of the end of the cavity (51). The compression springs (57) are placed on both sides of the pull rod (54). Locking grooves (531) are also provided on both sides of the telescopic block (53). The back of the electric vehicle side pedal (1) is provided with a slot (11) matching the telescopic block (53). Lockers (58) adapted to the locking groove (531) are provided on both sides of the slot (11). A sensor (59) is also provided on the back of the electric vehicle side pedal (1) above the slot (11). The sensor (59) is electrically connected to the locker (58).

5. The electric side pedal deployment structure for automobiles with a buffer self-locking function according to claim 4, characterized in that: The outer slot of the telescopic cavity (51) is provided with a limiting frame (511) adapted to the limiting plate (56), and the back of the limiting plate (56) is also provided with a positioning groove (561) adapted to install the compression spring (57). The telescopic cavity (51) extends to the outside of the rotating frame (22).

6. The electric side pedal deployment structure for automobiles with a buffer self-locking function according to claim 1, characterized in that: The pedal drive assembly (4) includes multiple sets of fixed ears (41) disposed at the bottom of the rotating frame (22). A drive telescopic rod (42) is installed on the outside of the fixed ears (41). The end of the drive telescopic rod (42) is provided with a connecting ear (43) that matches the fixed ears (41), and the other end is provided with a rotating sleeve (44). The end of the mounting frame (23) is provided with a docking platform (45) that connects to the drive telescopic rod (42). Multiple sets of connecting bases (46) are provided on the docking platform (45). A first fixed shaft (47) is provided between the connecting ear (43) and the fixed ear (41). A second fixed shaft (48) is provided between the rotating sleeve (44) and the connecting base (46). The drive telescopic rod (42) drives the electric side pedal (1) of the car to rotate around the end of the rotating frame (22).

7. The electric side pedal deployment structure for automobiles with a buffer self-locking function according to claim 6, characterized in that: The top of the docking platform (45) is a slope.

8. The electric side pedal deployment structure for automobiles with a buffer self-locking function according to claim 1, characterized in that: The buffer assembly (6) includes a mounting groove (61) disposed on the front of the rotating frame (22) and located on both sides of the locking assembly (5). A buffer plate (62) is installed in the mounting groove (61). A plurality of buffer springs (63) are provided between the end of the buffer plate (62) and the bottom of the mounting groove (61). A limiting baffle (64) is provided at the opening of the mounting groove (61). An extension plate (65) adapted to the limiting baffle (64) is provided at the edge of the end of the buffer plate (62). A buffer pad (66) is also provided on the outer end face of the buffer plate (62).

9. The electric side pedal deployment structure for automobiles with a buffer self-locking function according to claim 1, characterized in that: The top of the electric side pedal (1) of the car is provided with multiple evenly spaced anti-slip grooves (12), and its bottom is generally arc-shaped.

10. A method of using an electric side pedal deployment structure with a buffer self-locking function as described in any one of claims 1-9, characterized in that, include: S1. The electric side step (1) of the car is in the storage state, the main frame (21), the rotating frame (22) and the mounting frame (23) are in the folded state, the locking component (5) is unlocked and reset, and the buffer component (6) is in the initial standby state. S2. The main driver (31) of the rotating frame drive assembly (3) drives the connecting bridge (32) and the rotating frame drive arm (33) to move. The buckle (35) at the end of the rotating frame drive arm (33) pulls the pull ring (55) and pull rod (54) of the locking assembly (5), causing the telescopic block (53) to retract in the telescopic cavity (51) of the rotating frame (22), compressing the compression spring (57), and at the same time driving the rotating frame (22) to rotate. S3. The extension and retraction of the drive telescopic rod (42) of the pedal drive assembly (4) are achieved by the extension and retraction of the drive telescopic rod (42). The two ends of the drive telescopic rod (42) are respectively hinged to the fixed ears (41) and the connecting base (46) via the fixed shaft one (47) and the fixed shaft two (48). The drive rotating frame (22) rotates around the main shaft (24) and the secondary shaft (25) relative to the main frame (21) and the mounting frame (23), thereby causing the electric side pedal (1) of the car to flip outward and unfold. S4. After the pedal is fully extended, the compression spring (57) rebounds and pushes the limit plate (56) and telescopic block (53) out. The sensor (59) detects that the pedal is close to the rotating frame (22) and drives the locking device (58) to lock into the locking groove (531) to achieve self-locking and fixation of the pedal's extended position. S5. During the entire process of the pedal unfolding and positioning, the buffer components (6) on both sides of the locking component (5) work, the buffer spring (63) in the mounting groove (61) buffers the force, and drives the buffer plate (62) and buffer pad (66) to flexibly abut the pedal. The limit baffle (64) and extension plate (65) limit and prevent detachment. S6. After receiving the storage signal, the sensor (59) controls the lock (58) to release the lock, the rotating frame drive assembly (3) pulls the telescopic block (53) to unlock, drives the telescopic rod (42) to move in the opposite direction, drives the rotating frame (22) to swing back, and drives the electric side pedal (1) of the car to retract and reset, and all components return to the initial standby state.

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