Pedal adjusting device for automobile verification model

Abstract

The utility model discloses a pedal adjusting device for an automobile verification model, the pedal adjusting device for the automobile verification model comprises a device main body, at least one buffer assembly and at least one adjusting assembly, the device main body comprises a mounting main frame, a braking assembly and a limiting assembly, the braking assembly is rotatably arranged on the mounting main frame, the limiting assembly is used for limiting the rotating angle of the braking assembly, the limiting assembly comprises at least one limiting abutting block and at least one limiting fixing block, the limiting abutting block is arranged on the mounting main frame, and the limiting fixing block is arranged on the limiting abutting block. The limiting fixing block is arranged on the braking assembly, the buffering assembly is arranged on the mounting main frame, and the buffering assembly is used for preventing the limiting fixing block and the limiting abutting block from deviating due to mutual collision. The adjusting assembly is arranged on the mounting main frame and used for adjusting the counter-acting force borne by the braking assembly in the process of rotating relative to the mounting main frame.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile verification models, in particular to a pedal regulating device used for automobile verification models. Background Art

[0002] With the development of automobile technology and the popularization of automobiles, users have higher and higher requirements for automobile safety and controllability. One of the factors that affect automobile safety and controllability is automobile braking performance. Since the indicators for evaluating automobile braking performance are mainly braking distance and braking deceleration, and the length of braking response time directly affects the braking distance, the adjustment of braking performance requires adjustment of the pedal adjustment device.

[0003] On the one hand, when the pedal stroke is longer than expected when the brake pedal needs to be pressed, the time it takes for the brake pedal to be pressed from the initial position to the farthest position will be longer than expected, the braking response time of the car will be longer than expected, the braking deceleration will be small, and the braking distance will be long, which will affect the safety of the car. On the other hand, when the pedal stroke is shorter than expected, the time it takes for the brake pedal to be pressed from the initial position to the farthest position will be shorter than expected, the braking response time of the car will be shorter than expected, the braking deceleration will be large, and the braking distance will be short. At this time, although the car can be braked in time, it will cause the car to brake nodding at low speeds, affecting the user experience of the car.

[0004] Among them, since the pedaling force when the user steps on the brake pedal is generally within a predetermined range, the factor that affects the time it takes for the brake pedal to be stepped on from the initial position to the farthest position is the magnitude of the rebound force on the brake pedal, and therefore the magnitude of the rebound force on the brake pedal needs to be adjusted to within the expected range.

[0005] Therefore, in order for users to obtain the expected comfort and safety when using the car, before the car is put into production, it is not only necessary to conduct simulation verification through a computer, but also to make a proportional car verification model in order to intuitively feel the feedback after the pedal adjustment device is adjusted.

[0006] When adjusting the pedal adjusting device, not only the braking stroke but also the rebound force of the brake pedal need to be frequently adjusted so that the braking stroke and the rebound force of the brake pedal meet expectations.

[0007] After the brake stroke of the existing pedal adjustment device is adjusted to the desired value, the brake stroke limiting component needs to be fixed first, and then the magnitude of the rebound force on the brake pedal needs to be adjusted. In the process of adjusting the rebound force on the brake pedal, the brake pedal needs to be repeatedly pressed. In the process of repeatedly pressing the brake pedal, the brake stroke limiting component will move due to repeated impacts, and even deform the limiting component and cannot be used normally. Utility Model Content

[0008] In order to solve the above technical problems and achieve at least one advantage of the utility model, the utility model provides a pedal adjustment device for a vehicle verification model, wherein the pedal adjustment device for a vehicle verification model comprises:

[0009] The device body comprises a mounting main frame, a brake assembly and a limiting assembly, wherein the brake assembly is rotatably arranged on the mounting main frame, the limiting assembly is used to limit the rotation angle of the brake assembly relative to the mounting main frame, the limiting assembly comprises at least one limiting abutment block and at least one limiting fixed block, the limiting abutment block is arranged on the mounting main frame, and the limiting fixed block is arranged on the brake assembly in a manner that it can abut against the limiting abutment block;

[0010] at least one buffer assembly, the buffer assembly being disposed on the main mounting frame, the buffer assembly being used to prevent the limiting fixing block and the limiting abutting block from deviating due to collision with each other; and

[0011] At least one adjusting component is disposed on the main mounting frame, the adjusting component is configured to abut against the buffer component, and the adjusting component is used to adjust the reaction force received by the brake component during the rotation relative to the main mounting frame.

[0012] According to one embodiment of the utility model, the mounting main frame forms a buffer through hole, the buffer assembly includes at least one buffer movable part, at least one buffer rebound part and at least one buffer fixed part, the buffer movable part can be movably passed through the buffer through hole of the mounting main frame, the extension direction of the buffer movable part is set to be toward the brake assembly, the buffer rebound part is sleeved on the buffer movable part and is located on one side of the mounting main frame, and the buffer fixed part is movably connected to the buffer movable part by a thread and is located on the other side of the mounting main frame.

[0013] According to one embodiment of the utility model, the brake assembly includes a connecting rod, a brake pedal and a rotating member, the brake pedal is arranged at one end of the connecting rod, the rotating member is arranged at the other end of the connecting rod, the connecting rod is rotatably arranged on the mounting main frame through the rotating member, and the limiting fixed block is arranged on the rotating member so as to be abutted against the limiting abutting block.

[0014] According to one embodiment of the utility model, the mounting main frame also forms an adjustment through hole, the adjustment assembly includes a fixing component and an adjustment component, the fixing component includes a fixing cylinder, the fixing cylinder is rotatably arranged at the adjustment through hole of the mounting main frame through a connecting rod, the adjustment component is arranged on the fixing cylinder, and the adjustment component is used to adjust the reaction force transmitted to the connecting rod.

[0015] According to one embodiment of the utility model, the fixed cylinder forms a movable through hole, the adjusting component includes an adjusting rebound member, a first adjusting abutment member, a second adjusting abutment member and a movable slide rod, the movable slide rod is movably arranged to pass through the movable through hole, the extension direction of the movable slide rod is set toward the connecting rod, the first adjusting abutment member is movably sleeved on the movable slide rod, the second adjusting abutment member is movably sleeved on the movable slide rod, the adjusting rebound member is movably sleeved on the movable slide rod, and the adjusting rebound member is located between the first adjusting abutment member and the second adjusting abutment member.

[0016] According to one embodiment of the utility model, the first adjustment abutment is divided into a first fixed abutment portion, a first rebound abutment portion and a first connecting portion, the first fixed abutment portion is arranged on one side of the first rebound abutment portion, one end of the movable slide rod is fixed to the first fixed abutment portion, one end of the adjustment rebound member is arranged to be sleeved on the first fixed abutment portion, and one end of the adjustment rebound member is arranged to abut against the first rebound abutment portion, the first connecting portion is located on the other side of the first rebound abutment portion, and the first connecting portion is threadedly connected to the connecting rod.

[0017] According to an embodiment of the utility model, the second adjusting abutment is divided into a second fixed abutment portion, a second rebound abutment portion and a second adjusting portion, the second fixed abutment portion is arranged on one side of the second rebound abutment portion, the other end of the adjusting rebound member is arranged to be sleeved on the second fixed abutment portion, and the other end of the adjusting rebound member is arranged to abut against the second rebound abutment portion, the second adjusting portion is located on the other side of the second rebound abutment portion, the second adjusting portion is arranged to pass through the movable through hole of the fixed cylinder, and the second adjusting portion is movably connected to the fixed cylinder by a thread, and the other end of the movable slide rod is movably passed through the second fixed abutment portion, the second rebound abutment portion and the second adjusting portion in sequence.

[0018] According to one embodiment of the utility model, the fixed cylinder also forms a plurality of fixed through holes, and the fixed component also includes at least one fixed blocking member, the fixed through holes are arranged in an array in the fixed cylinder, and the array direction of the fixed through holes is arranged to be consistent with the extension direction of the rebound protection member, the fixed blocking member is arranged to pass through the fixed through holes, and one end of the fixed blocking member is arranged to abut against the side of the second rebound abutting portion close to the second adjustment portion.

[0019] According to an embodiment of the utility model, the adjusting component further includes a rebound protection piece, which is arranged on the adjusting rebound piece, and is used to prevent water vapor from falling on the adjusting rebound piece.

[0020] According to an embodiment of the present invention, the buffering resilient member is implemented to include a spring. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 A three-dimensional schematic diagram of a preferred embodiment of the utility model is shown.

[0022] Figure 2 A cross-sectional view schematic diagram of a preferred embodiment of the utility model is shown.

[0023] Figure 3 Shows Figure 2 Schematic diagram of the enlarged view of point A in the middle. DETAILED DESCRIPTION

[0024] The following description is used to disclose the utility model so that those skilled in the art can implement the utility model. The preferred embodiments described below are only examples, and those skilled in the art can think of other obvious variations. The basic principles of the utility model defined in the following description can be applied to other embodiments, variations, improvements, equivalents, and other technical solutions that do not deviate from the spirit and scope of the utility model.

[0025] Those skilled in the art should understand that, in the disclosure of the present invention, the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, which are only for the convenience of describing the present invention 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. Therefore, the above terms should not be understood as limiting the present invention.

[0026] It is to be understood that the term "one" should be understood as "at least one" or "one or more", that is, in one embodiment, the number of an element may be one, while in another embodiment, the number of the element may be multiple, and the term "one" should not be understood as a limitation on the quantity.

[0027] Refer to the attached figure Figures 1 to 3 A pedal adjustment device for a vehicle verification model according to a preferred embodiment of the utility model will be described in detail below, wherein the pedal adjustment device for a vehicle verification model includes a device body 10, at least one buffer component 20 and at least one adjustment component 30.

[0028] The device body 10 includes a mounting main frame 11, a brake assembly 12 and a limiting assembly 13. The brake assembly 12 is rotatably arranged on the mounting main frame 11. The limiting assembly 13 is used to limit the rotation angle of the brake assembly 12 relative to the mounting main frame 11, and the limiting assembly 13 includes at least one limiting abutment block 131 and at least one limiting fixed block 132. The limiting abutment block 131 is arranged on the mounting main frame 11, and the limiting fixed block 132 is arranged on the brake assembly 12 in a manner that it can abut against the limiting abutment block 131.

[0029] The buffer assembly 20 is disposed on the main mounting frame 11, and is used to prevent the limiting fixed block 132 from excessively impacting the limiting abutting block 131. In other words, the buffer assembly 20 is used to prevent the limiting abutting block 131 and the limiting fixed block 132 from being offset due to mutual impact during the process in which the brake assembly 12 drives the limiting fixed block 132 to impact the limiting abutting block 131, thereby preventing the brake assembly 12 from changing its rotation angle relative to the main mounting frame 11.

[0030] The adjusting assembly 30 is disposed on the main mounting frame 11 and is configured to abut against the buffer assembly 20. The adjusting assembly 30 is used to adjust the reaction force received by the brake assembly 12 during the rotation process relative to the main mounting frame 11.

[0031] Specifically, the mounting main frame 11 forms a buffer through hole 1101. The buffer assembly 20 includes at least one buffer movable member 21, at least one buffer resilient member 22 and at least one buffer fixed member 23, and the buffer movable member 21 movably passes through the buffer through hole 1101 of the mounting main frame 11. The buffer resilient member 22 is sleeved on the buffer movable member 21 and is located on one side of the mounting main frame 11. The buffer fixed member 23 is movably connected to the buffer movable member 21 by a thread and is located on the other side of the mounting main frame 11. The extension direction of the buffer movable member 21 is set to be toward the brake assembly 12.

[0032] Preferably, the buffer resilient member 22 is implemented to include a spring.

[0033] In this embodiment, the brake assembly 12 includes a connecting rod 121, a brake pedal 122 and a rotating member 123. The brake pedal 122 is arranged at one end of the connecting rod 121. The rotating member 123 is arranged at the other end of the connecting rod 121. The connecting rod 121 is rotatably arranged on the mounting main frame 11 through the rotating member 123. The limiting fixed block 132 is arranged on the rotating member 123 in a manner that can abut against the limiting abutting block 131. In another modified embodiment, the limiting fixed block 132 is arranged on the connecting rod 121 in a manner that can abut against the limiting abutting block 131. In yet another modified embodiment, the limiting fixed block 132 is arranged on the brake pedal 122 in a manner that can abut against the limiting abutting block 131.

[0034] Those skilled in the art will appreciate that, when the brake pedal 122 is depressed and the connecting rod 121 is rotated relative to the mounting main frame 11 via the rotating member 123, the connecting rod 121 will abut against one end of the buffer movable member 21, and the buffer rebound member 22 located on the buffer movable member 21 will control the rotation speed of the connecting rod 121 relative to the mounting main frame 11, so as to avoid position displacement of the limiting abutment block 131 and the limiting fixed block 132 due to collision with each other.

[0035] It is worth mentioning that when the buffer fixing member 23 is adjusted to the position of the buffer moving member 21, the buffer resilient member 22 will be compressed and rebound. The connecting rod 121 rotates relative to the mounting main frame 11 through the rotating member 123, and after the connecting rod 121 abuts against one end of the buffer moving member 21, the connecting rod 121 will press the connecting rod 121 so that the connecting rod 121 passes through the buffer through hole 1101 of the mounting main frame 11, and then the rotation speed of the connecting rod 121 is controlled and adjusted through the buffer resilient member 22 to prevent the limiting fixed block 132 located on the rotating member 123 from hitting the limiting abutting block 131 too quickly, thereby preventing the limiting abutting block 131 and the limiting fixed block 132 from offsetting due to mutual collision.

[0036] Specifically, the mounting main frame 11 further forms an adjustment through hole 1102. The adjustment assembly 30 includes a fixing member 31 and an adjustment member 32. The fixing member 31 includes a fixing cylinder 311. The fixing cylinder 311 is rotatably disposed at the adjustment through hole 1102 of the mounting main frame 11 through a connecting rod. The adjustment member 32 is disposed at the fixing cylinder 311, and the adjustment member 32 is used to adjust the reaction force transmitted to the connecting rod 121.

[0037] Preferably, the fixed cylinder 311 forms a movable through hole 31101, and the adjusting member 32 includes an adjusting resilient member 321, a first adjusting abutment member 322, a second adjusting abutment member 323 and a movable slide bar 324. The movable slide bar 324 is movably arranged to pass through the movable through hole 31101. The extending direction of the movable slide bar 324 is arranged to be toward the connecting rod 121. The first adjusting abutment member 322 is sleeved on the movable slide bar 324, and the second adjusting abutment member 323 is movably sleeved on the movable slide bar 324. The adjusting resilient member 321 is movably sleeved on the movable slide bar 324, and the adjusting resilient member 321 is located between the first adjusting abutment member 322 and the second adjusting abutment member 323.

[0038] Specifically, the first adjustment abutment 322 is divided into a first fixed abutment portion 3221, a first rebound abutment portion 3222 and a first connection portion 3223. The first fixed abutment portion 3221 is arranged at one side of the first rebound abutment portion 3222. One end of the movable slide bar 324 is fixed to the first fixed abutment portion 3221. One end of the adjustment rebound member 321 is arranged to be sleeved on the first fixed abutment portion 3221 and abut against the first rebound abutment portion 3222. The first connection portion 3223 is located at the other side of the first rebound abutment portion 3222, and the first connection portion 3223 is threadedly connected to the connecting rod 121, so as to achieve the purpose of fixing the first adjustment abutment 322 to the connecting rod 121.

[0039] The second adjusting abutment member 323 is divided into a second fixed abutment portion 3231, a second rebound abutment portion 3232 and a second adjusting portion 3233. The second fixed abutment portion 3231 is arranged at one side of the second rebound abutment portion 3232. The other end of the adjusting rebound member 321 is arranged to be sleeved on the second fixed abutment portion 3231 and abut against the second rebound abutment portion 3232. The second adjusting portion 3233 is located at the other side of the second rebound abutment portion 3232. The second adjusting portion 3233 is arranged to pass through the movable through hole 31101 of the fixed cylinder 311, and the second adjusting portion 3233 is movably connected to the fixed cylinder 311 through a thread. The other end of the movable slide rod 324 is movably passed through the second fixed abutment portion 3231, the second rebound abutment portion 3232 and the second adjusting portion 3233 in sequence.

[0040] Preferably, the adjusting resilient member 321 is implemented to include a spring.

[0041] Those skilled in the art can understand that, since the two ends of the adjusting rebound member 321 are respectively abutted against the second rebound abutment portion 3232 and the first rebound abutment portion 3222, and since the second adjusting portion 3233 of the second adjusting abutment member 323 is threadedly connected to the connecting rod 121, when the second adjusting portion 3233 of the second adjusting abutment member 323 is rotated, the second adjusting abutment member 323 will move relative to the fixed cylinder 311, so that the adjusting rebound member 321 is compressed or rebounded, and then the reaction force transmitted to the connecting rod 121 by the second adjusting portion 3233 of the second adjusting abutment member 323 after the adjusting rebound member 321 rebounds is adjusted, so as to explore the time it takes for the brake pedal 122 to be stepped on from the initial position to the farthest position under the influence of the reaction force transmitted to the connecting rod 121 after the rotating member 123 is stepped on with the expected pedal force, so as to adjust the time it takes for the brake pedal 122 to be stepped on from the initial position to the farthest position to be within the expected range.

[0042] It should be noted that in order to adjust the time it takes for the brake pedal 122 to be stepped on from the initial position to the farthest position to within the expected range, the brake pedal 122 will be repeatedly stepped on and vibrate. At this time, the position where the second adjusting portion 3233 is threadedly connected to the fixed cylinder 311 will cause the second adjusting abutment 323 to move due to the vibration, resulting in a change in the reaction force transmitted to the connecting rod 121 through the second adjusting portion 3233 of the second adjusting abutment 323 after the adjusting rebound member 321 rebounds, thereby causing an error.

[0043] Preferably, the fixed cylinder 311 further forms a plurality of fixed through holes 31102, and the fixed member 31 further comprises at least one fixed stopper 312. The fixed through holes 31102 are arranged in an array in the fixed cylinder 311, and the array direction of the fixed through holes 31102 is arranged to be consistent with the extension direction of the rebound protection member 325. The fixed stopper 312 is arranged to pass through the fixed through holes 31102, and one end of the fixed stopper 312 is arranged to abut against a side of the second rebound abutting portion 3232 close to the second adjusting portion 3233. The fixed stopper 312 is used to prevent the second adjusting abutting portion 3233 of the second adjusting abutting portion 323 from being threadedly connected to the fixed cylinder 311, so that the second adjusting abutting portion 323 is moved due to vibration.

[0044] It should be noted that when water vapor falls on the adjusting resilient member 321 , the adjusting resilient member 321 will be corroded, thereby affecting the compression and rebound of the adjusting resilient member 321 , and even changing the original rebound property of the adjusting resilient member 321 due to deformation, so that the adjusting resilient member 321 needs to be replaced.

[0045] In this embodiment, the adjusting member 32 further includes a resilient protection member 325 . The resilient protection member 325 is covered on the adjusting resilient member 321 to prevent water vapor from falling on the adjusting resilient member 321 , thereby preventing the adjusting resilient member 321 from being corroded.

[0046] Preferably, the rebound protection member 325 is made of rubber.

[0047] It should be understood by those skilled in the art that the embodiments of the present invention described above and shown in the accompanying drawings are only examples and do not limit the present invention. The advantages of the present invention have been fully and effectively realized. The functions and structural principles of the present invention have been demonstrated and explained in the embodiments, and the embodiments of the present invention may be deformed or modified in any way without departing from the principles.

Claims

1. A pedal adjustment device for a vehicle validation model, characterized in that: The pedal adjustment device for the automobile verification model comprises: The device body comprises a mounting main frame, a brake assembly and a limiting assembly, wherein the brake assembly is rotatably arranged on the mounting main frame, the limiting assembly is used to limit the rotation angle of the brake assembly relative to the mounting main frame, the limiting assembly comprises at least one limiting abutment block and at least one limiting fixed block, the limiting abutment block is arranged on the mounting main frame, and the limiting fixed block is arranged on the brake assembly in a manner that it can abut against the limiting abutment block; at least one buffer assembly, the buffer assembly being disposed on the main mounting frame, the buffer assembly being used to prevent the limiting fixing block and the limiting abutting block from deviating due to collision with each other; and At least one adjusting component is disposed on the main mounting frame, the adjusting component is configured to abut against the buffer component, and the adjusting component is used to adjust the reaction force received by the brake component during the rotation relative to the main mounting frame.

2. The pedal adjustment device for a vehicle verification model according to claim 1, characterized in that: The mounting main frame forms a buffer through hole, and the buffer assembly includes at least one buffer movable part, at least one buffer rebound part and at least one buffer fixed part. The buffer movable part can movably pass through the buffer through hole of the mounting main frame, and the extension direction of the buffer movable part is set to be toward the brake assembly. The buffer rebound part is sleeved on the buffer movable part and is located on one side of the mounting main frame. The buffer fixed part is movably connected to the buffer movable part through a thread and is located on the other side of the mounting main frame.

3. The pedal adjustment device for a vehicle verification model according to claim 2, characterized in that: The brake assembly includes a connecting rod, a brake pedal and a rotating member, the brake pedal is arranged at one end of the connecting rod, the rotating member is arranged at the other end of the connecting rod, the connecting rod is rotatably arranged on the mounting main frame through the rotating member, and the limiting fixing block is arranged on the rotating member so as to be abutted against the limiting abutting block.

4. The pedal adjustment device for a vehicle verification model according to claim 3, characterized in that: The mounting main frame also forms an adjustment through hole, and the adjustment assembly includes a fixing component and an adjustment component. The fixing component includes a fixing cylinder, and the fixing cylinder is rotatably arranged at the adjustment through hole of the mounting main frame through a connecting rod. The adjustment component is arranged on the fixing cylinder, and the adjustment component is used to adjust the reaction force transmitted to the connecting rod.

5. The pedal adjustment device for a vehicle verification model according to claim 4, characterized in that: The fixed cylinder forms a movable through hole, and the adjusting component includes an adjusting rebound member, a first adjusting abutment member, a second adjusting abutment member and a movable slide rod, the movable slide rod is movably arranged to pass through the movable through hole, and the extending direction of the movable slide rod is arranged to be toward the connecting rod, the first adjusting abutment member is sleeved on the movable slide rod, the second adjusting abutment member is movably sleeved on the movable slide rod, the adjusting rebound member is movably sleeved on the movable slide rod, and the adjusting rebound member is located between the first adjusting abutment member and the second adjusting abutment member.

6. The pedal adjustment device for a vehicle verification model according to claim 5, characterized in that: The first adjustment abutment is divided into a first fixed abutment portion, a first rebound abutment portion and a first connecting portion, the first fixed abutment portion is arranged on one side of the first rebound abutment portion, one end of the movable slide rod is fixed to the first fixed abutment portion, one end of the adjustment rebound member is arranged to be sleeved on the first fixed abutment portion, and one end of the adjustment rebound member is arranged to abut against the first rebound abutment portion, the first connecting portion is located on the other side of the first rebound abutment portion, and the first connecting portion is threadedly connected to the connecting rod.

7. The pedal adjustment device for a vehicle verification model according to claim 6, characterized in that: The second adjustment abutment is divided into a second fixed abutment portion, a second rebound abutment portion and a second adjustment portion, the second fixed abutment portion is arranged on one side of the second rebound abutment portion, the other end of the adjustment rebound member is arranged to be sleeved on the second fixed abutment portion, and the other end of the adjustment rebound member is arranged to abut against the second rebound abutment portion, the second adjustment portion is located on the other side of the second rebound abutment portion, the second adjustment portion is arranged to pass through the movable through hole of the fixed cylinder, and the second adjustment portion is movably connected to the fixed cylinder by a thread, and the other end of the movable slide rod is movably passed through the second fixed abutment portion, the second rebound abutment portion and the second adjustment portion in sequence.

8. The pedal adjustment device for a vehicle verification model according to claim 7, characterized in that: The fixed tube also forms a plurality of fixed through holes, and the fixed component also includes at least one fixed blocking member. The fixed through holes are arranged in an array on the fixed tube, and the array direction of the fixed through holes is arranged to be consistent with the extension direction of the fixed tube. The fixed blocking member is arranged to pass through the fixed through holes, and one end of the fixed blocking member is arranged to abut against a side of the second rebound abutting portion close to the second adjusting portion.

9. The pedal adjustment device for a vehicle verification model according to claim 8, characterized in that: The adjusting component further comprises a rebound protection piece, which is arranged on the adjusting rebound piece and is used to prevent water vapor from falling on the adjusting rebound piece.

10. The pedal adjustment device for a vehicle verification model according to any one of claims 2 to 9, characterized in that: The buffer resilient element is implemented to include a spring.

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