Force simulator, brake pedal and vehicle

Abstract

The invention relates to a force simulator, a brake pedal and a vehicle, the force simulator comprises a rotating piece, a movable disc, balls and a first elastic piece, and the rotating piece comprises a pedal connecting part and a boss part which are coaxially arranged; the movable disc and the boss part are oppositely and coaxially arranged, the rotating piece can rotate relative to the movable disc, and the movable disc can move in the axial direction of the rotating piece; the boss part is provided with a first groove, the movable disc is provided with a second groove, the balls are arranged between the first groove and the second groove in a rolling mode, and the concave depth of the first groove and / or the second groove is variably arranged in the circumferential direction of the movable disc. The first elastic piece is connected with the movable disc and always tends to enable the movable disc to move towards the boss part. The axial distance between the movable disc and the rotating piece is changed through the concave depth change of the groove, rotation of the rotating piece can be converted into axial movement of the movable disc, coaxial arrangement of the force simulator and the rotation axis of the pedal is facilitated, and therefore the arrangement space requirement is lowered.

Description

Technical Field

[0001] This application relates to the field of automotive technology, specifically to a force simulator, a brake pedal, and a vehicle. Background Technology

[0002] With the continuous development of intelligent driving technology, vehicles have increasingly higher requirements for the response speed and accuracy of braking systems. The brake-by-wire pedal can achieve millisecond-level linkage with the intelligent driving system, ensuring that braking commands are executed quickly and accurately in scenarios such as automatic emergency braking and adaptive cruise control, thereby improving driving safety.

[0003] In a traditional brake pedal, pedal force is directly transmitted to the brake via mechanical or hydraulic means. The pedal travel and braking force are in a fixed proportional relationship, and the user can perceive the braking intensity through the pedal force. In contrast, the braking force of a brake-by-wire pedal is calculated by the electronic control unit (ECU) based on parameters such as pedal displacement and vehicle speed, and then generated by a motor or hydraulic actuator. In this case, there is no physical connection between the pedal and the brake. A force simulator is needed to actively generate a feedback force that matches the pedal displacement, allowing the user to experience the braking process intuitively.

[0004] In existing technologies, the force simulator is usually tilted and placed below the pedal. The force simulator has a spring assembly inside, which can achieve axial extension and contraction. The axis of the force simulator is perpendicular to the rotation axis of the pedal. When the user presses the pedal down, the pedal squeezes the upper end of the force simulator. The elastic force of the spring assembly inside the force simulator simulates the resistance of the traditional pedal, allowing the user to perceive the braking intensity. However, since the force simulator is placed below the pedal, it occupies a lot of vertical space, which requires a large amount of space for placement. Summary of the Invention

[0005] One objective of this application is to provide a force simulator to solve the technical problem that existing force simulators occupy a lot of longitudinal space and have high requirements for layout space; another objective is to provide a brake pedal; and a third objective is to provide a vehicle.

[0006] To achieve the above objectives, the technical solution adopted in this application is as follows: A force simulator, comprising: A rotating component, the rotating component including a pedal connecting part and a boss part arranged coaxially; The movable disk is arranged opposite to and coaxially with the boss portion, the rotating member can rotate relative to the movable disk, and the movable disk can move along the axial direction of the rotating member; The ball bearing has a first groove on the end face of the protrusion facing the movable disk, and a second groove on the end face of the movable disk facing the protrusion. The ball bearing is rolled between the first groove and the second groove, and the depth of the first groove and / or the second groove varies along the circumference of the movable disk. A first elastic element, connected to the movable disk, always has a tendency to move the movable disk toward the boss portion.

[0007] According to the above-mentioned technical means, since the depth of the first groove and / or the second groove varies along the circumference of the movable disk, and the direction of the depth is parallel to the axis of the boss and the movable disk, when the rotating part rotates relative to the movable disk, the relative position of the first groove and the second groove changes, and the depth of the groove where the ball is located also changes, which will cause the movable disk to move axially relative to the rotating part. That is, the force simulator of this application can convert the rotation of the rotating part into the axial movement of the movable disk, so that the first elastic element is compressed, thereby generating a feedback force that matches the pedal displacement. This is beneficial to realize that the force simulator as a whole is coaxially arranged with the rotation axis of the pedal body, which can reduce the requirements for the arrangement space.

[0008] Furthermore, both the first groove and the second groove are arc-shaped grooves, and the depth of the arc-shaped groove decreases from the center to both sides; the diameter of the ball is greater than or equal to the sum of the maximum depth of the first groove and the maximum depth of the second groove.

[0009] According to the above technical means, since both the first and second grooves are arc-shaped grooves, extending circumferentially along the rotating component and the movable disk respectively, they provide circumferential movement space for the ball bearings. When the rotating component rotates relative to the movable disk, the ball bearings can move circumferentially within the rotating component and the movable disk (i.e., within the first and second grooves), avoiding interference between the ball bearings and the relative rotation between the rotating component and the movable disk, and preventing issues such as ball bearing jamming from affecting the brake pedal's operating feel. The depth of the arc-shaped grooves (i.e., the first and second grooves) decreases from the center to both sides, and the diameter of the ball bearings is greater than the sum of the maximum depths of the first and second grooves. Initially, the ball bearings are located at the maximum depth of the first and second grooves. When the rotating component rotates relative to the movable disk, since the depth of the arc-shaped grooves decreases from the center to both sides, whether rotating in the forward or reverse direction, the position of the ball bearings changes from the maximum depth of the first and second grooves to the minimum depth of the first and second grooves. During assembly, simply aligning the first and second grooves eliminates the need for excessive position adjustments, thereby reducing the assembly accuracy requirements of the force simulator, greatly simplifying the assembly process, lowering the skill requirements for assembly personnel and the precision requirements for assembly equipment, improving assembly efficiency, reducing product defect rates caused by assembly errors, and facilitating mass production and quality control of products.

[0010] Furthermore, the number of the balls is multiple, and the multiple balls are evenly distributed along the circumference of the boss and / or the movable disk, and the multiple first grooves and the multiple second grooves are correspondingly arranged with the multiple balls.

[0011] According to the above-mentioned technical means, multiple balls are evenly distributed along the circumference of the boss and / or the movable disk, and multiple first grooves and multiple second grooves are correspondingly arranged with multiple balls. This can realize the uniform force transmission between the boss and the movable disk in the circumferential direction. By having multiple balls make uniform contact and push against the movable disk, the axial movement of the movable disk relative to the boss (i.e., the rotating part) is ensured, effectively dispersing the force between the boss and the movable disk. This can avoid local wear caused by stress concentration, extend the service life of the components, and help improve the reliability and durability of the entire force simulator structure.

[0012] Furthermore, the force simulator also includes a limiting seat, the rotating member is rotatably disposed on the limiting seat, the movable disk is slidably disposed inside the limiting seat, the first elastic member is disposed inside the limiting seat, and the two ends of the first elastic member abut against the inner wall of the limiting seat and the movable disk, respectively.

[0013] Based on the aforementioned technical means, since the movable disc is slidably disposed inside the limiting seat, the limiting seat can guide and limit the sliding of the movable disc, ensuring the sliding stability of the movable disc in the axial direction of the force simulator. This effectively avoids instability such as offset and shaking during the movement of the movable disc, ensuring the accuracy of the sliding trajectory of the movable disc, and thus ensuring that the force simulator can accurately transmit and simulate the pedal force according to the design requirements. The two ends of the first elastic element abut against the inner wall of the limiting seat and the movable disc, respectively. During the operation of the force simulator, the first elastic element expands and contracts according to the force applied to the movable disc, thereby generating elastic force to push the movable disc back to its initial state or to hinder the axial movement of the movable disc, thus simulating the pedal force.

[0014] Furthermore, the limiting seat includes a detachably connected cylindrical body and an end cap. The movable disc and the first elastic element are coaxially disposed inside the cylindrical body. The cylindrical body extends through it along its axial direction. One end of the cylindrical body is provided with a limiting flange that matches the movable disc. The other end of the cylindrical body is provided with the end cap. The two ends of the first elastic element abut against the movable disc and the end cap, respectively.

[0015] According to the above technical means, the limiting seat includes a detachably connected cylindrical body and an end cap to facilitate the opening and closing of the installation space inside the limiting seat. The movable disc and the first elastic element are coaxially arranged inside the cylindrical body, which is axially connected. One end of the cylindrical body is provided with a limiting flange that matches the movable disc. The end of the movable disc with the second groove can extend out of the cylindrical body to cooperate with the ball bearing. The limiting flange can prevent the movable disc from coming off from one end of the cylindrical body when it is abutted by the first elastic element. The two ends of the first elastic element abut against the movable disc and the end cap respectively, which can prevent the movable disc and the first elastic element from coming off from the other end of the cylindrical body.

[0016] Furthermore, the limiting seat has a receiving cavity inside, and the inner wall of the receiving cavity is provided with a first guide portion extending along its axial direction. The outer periphery of the movable disk is provided with a second guide portion that matches the first guide portion. The first guide portion and the second guide portion are in concave-convex fit and are slidably connected along the axial direction of the movable disk.

[0017] According to the above technical means, since the first guide part and the second guide part are in concave-convex fit and slide along the axial direction of the movable disk, the axial movement of the movable disk can be guided while preventing the movable disk from rotating inside the limit seat, thus ensuring the accuracy of the force simulator's action.

[0018] Furthermore, the rotating component also includes an extension section coaxially arranged with the boss portion, one end of which extends into the interior of the cylinder and passes through the movable disc and the first elastic component in sequence.

[0019] According to the above technical means, since one end of the extension section extends into the interior of the cylinder and passes through the movable disk and the first elastic element in sequence, it is convenient to realize the coaxial setting of the rotating part, the movable disk and the first elastic element. At the same time, it can provide axial guidance for the extension and retraction of the first elastic element, and avoid the first elastic element from deviating from the axial direction of the force simulator during the extension and retraction process, which would affect the accurate axial movement of the movable disk.

[0020] A brake pedal includes the force simulator described above, and also includes a pedal body. The pedal body includes a pedal arm, the axis of the rotating member coincides with the rotation axis of the pedal arm, the pedal arm is connected to the pedal connecting part, and can drive the rotating member to rotate around its axis.

[0021] Based on the above technical means, since the pedal arm is connected to the pedal connection part and the axis of the rotating part coincides with the axis of rotation of the pedal arm, the force simulator and the axis of rotation of the pedal arm can be arranged coaxially. The force simulator can convert the rotation of the pedal body and the rotating part into the axial movement of the movable disc, so that the first elastic element is compressed and generates feedback force. Only the pedal arm and the rotating part need to be fixedly connected, and no other transmission components need to be set up, making the connection between the force simulator and the pedal body simpler and more direct, and easy to install and integrate into the braking system of the car.

[0022] Furthermore, the brake pedal also includes a base, a rotating shaft, and a second elastic element. The rotating shaft is disposed on the base, and the rotating element is a tubular structure and is sleeved outside the rotating shaft, allowing it to rotate relative to the rotating shaft. The pedal body has an initial position and a braking position, and the second elastic element is connected to the pedal body, always having a tendency to return the pedal body from the braking position to the initial position.

[0023] Based on the aforementioned technical means, since the second elastic element is connected to the pedal body, it always tends to return the pedal body from the braking position to the initial position, enabling the pedal body to automatically reset after the user releases the pedal. Through the coordinated action of the first and second elastic elements, the brake pedal can simulate a pedal feel close to that of a traditional braking system. In the initial stage of braking, the second elastic element provides a certain initial resistance. As the braking intensity increases, the compression of the first elastic element increases, and the resistance also increases accordingly. This gradually changing resistance characteristic matches the actual braking process, allowing the user to more realistically feel the changes in braking force, thereby better controlling the braking intensity and improving driving safety and comfort.

[0024] Furthermore, the second elastic element is a torsion spring wound around the rotating element, with one end of the torsion spring connected to the base and the other end of the torsion spring connected to the pedal body.

[0025] According to the above technical means, since the two ends of the torsion spring are directly connected to the base and the pedal body, the pedal body is reset through its own elastic deformation. There is no need for a complex transmission mechanism or additional connecting parts. The reset structure is simple, reducing energy loss and failure points in the transmission process, and improving the overall efficiency and reliability of the braking system.

[0026] Furthermore, the brake pedal also includes a bushing disposed between the rotating component and the rotating shaft.

[0027] According to the above-mentioned technical means, the bushing is set between the rotating part and the shaft, which can avoid direct contact between the rotating part and the shaft and prevent surface wear. When the rotating part rotates relative to the shaft, the bushing can provide intermediate isolation. At the same time, due to the low coefficient of friction and certain buffering effect of the bushing, when the rotating part rotates on the shaft, the bushing can suppress rotational fluctuations and impacts, making the movement smoother and reducing noise caused by unstable movement.

[0028] Furthermore, the brake pedal also includes a position detection component, which is correspondingly disposed with the pedal body and is used to detect position changes of the pedal body.

[0029] According to the above technical means, since the position detection component is set correspondingly to the pedal body, it is used to detect the position change of the pedal body. When the user presses the pedal to brake, the position detection component can detect the position change of the pedal body in real time and accurately, and convert the specific travel information of the pedal from the initial position to the braking position into an electrical signal and transmit it to the electronic control unit (ECU). The ECU can accurately calculate the required braking force based on these precise displacement data and other parameters such as vehicle speed, so as to realize the high-precision braking of the brake-by-wire system.

[0030] Furthermore, the brake pedal also includes a limiting member, which is disposed on the base; The force simulator includes a limiting seat, the rotating component is rotatably mounted on the limiting seat, and the movable disk is slidably mounted inside the limiting seat; a limiting part is provided on the outer peripheral surface of the limiting seat, and the limiting component cooperates with the limiting part to prevent the limiting seat from rotating relative to the base.

[0031] According to the above technical means, the limiting component cooperates with the limiting part to prevent the limiting seat from rotating relative to the base, thereby preventing the movable disc from rotating relative to the rotating part. This ensures that the movable disc can only move along the axial direction of the force simulator, guaranteeing the accurate operation of the force simulator and the brake pedal. It also avoids the problem of unstable braking force transmission caused by the rotation of the movable disc, thus improving the reliability and safety of braking.

[0032] A vehicle including the aforementioned brake pedal.

[0033] Based on the aforementioned technical means, the accuracy of braking control can be improved through the brake pedal, while simultaneously enhancing the user's operating experience during braking. Furthermore, the force simulator can be coaxially positioned with the rotation axis of the pedal body, eliminating the need to place the entire force simulator below the pedal body and avoiding the occupation of longitudinal space beneath the pedal body, thus significantly reducing the space requirements for its placement. In situations where vehicle interior space is limited, this provides more space for the installation and layout of other components, improving the overall utilization rate of the vehicle's interior space.

[0034] The beneficial effects of this application are: (1) In this application, the boss and the movable disk in the force simulator are arranged opposite to each other. The end face of the boss facing the movable disk is provided with a first groove, and the end face of the movable disk facing the boss is provided with a second groove. The ball is rolled between the first groove and the second groove, and the depth of the first groove and / or the second groove varies along the circumference of the movable disk. Since the direction of the depth of the groove is parallel to the axis of the boss and the movable disk, when the rotating part rotates relative to the movable disk, the relative position of the first groove and the second groove changes, and the depth of the groove where the ball is located also changes, which will cause the movable disk to move axially relative to the rotating part. This allows the force simulator to convert the rotation of the rotating part into the axial movement of the movable disk, so that the first elastic element is compressed, thereby generating a feedback force that matches the pedal displacement.

[0035] (2) The force simulator of this application can convert the rotation of the rotating part into the axial movement of the movable disk. Therefore, the rotating part can be arranged coaxially with the rotation axis of the pedal body, and the force simulator as a whole can also be arranged coaxially with the rotation axis of the pedal body. There is no need to set the force simulator as a whole under the pedal body, and it will not occupy the longitudinal space under the pedal body, which can reduce the requirements for the arrangement space. Attached Figure Description

[0036] Figure 1 A schematic diagram of the brake pedal provided in the embodiments of this application. Figure 1 ; Figure 2 An exploded view of the brake pedal provided in an embodiment of this application; Figure 3 A schematic diagram of the force simulator provided in the embodiments of this application. Figure 1 ; Figure 4 A schematic diagram of the force simulator provided in the embodiments of this application. Figure 2 ; Figure 5 Exploded view of the force simulator provided in the embodiments of this application; Figure 6 This is a schematic diagram of the structure of the rotating component provided in the embodiments of this application; Figure 7 A side view of the rotating component provided in an embodiment of this application; Figure 8 The following are provided for the embodiments of this application: Figure 7 Cross-sectional view of AA in the middle; Figure 9 The following are provided for the embodiments of this application: Figure 7 Sectional view of BB; Figure 10 This is a schematic diagram of the structure of the active disk provided in an embodiment of this application; Figure 11 A side view of the active disk provided in an embodiment of this application; Figure 12 The following are provided for the embodiments of this application: Figure 11 Cross-sectional view of CC in China; Figure 13 The following are provided for the embodiments of this application: Figure 11 Sectional view of DD; Figure 14 This is a schematic diagram of the structure of the cylinder provided in an embodiment of this application; Figure 15 This is a schematic diagram of the force simulator provided in this application embodiment when the pedal body is in the initial position; Figure 16 A schematic diagram of the force simulator provided in this application when the pedal body is in the braking position; Figure 17 A partial cross-sectional view of the brake pedal provided in an embodiment of this application; Figure 18 A schematic diagram of the brake pedal provided in the embodiments of this application. Figure 2 .

[0037] Among them, 1. Force simulator; 11. Rotating component; 111. Pedal connecting part; 112. Boss part; 1121. First groove; 113. Extension section; 12. Movable plate; 121. Second groove; 122. Second guide part; 123. Limiting protrusion; 124. Through hole; 13. Ball; 14. First elastic element; 15. Limiting seat; 151. Cylinder; 1511. Limiting flange; 1512. First guide part; 1513. Limiting part; 152. End cap; 153. First connecting part; 2. Pedal body; 21. Pedal arm; 22. Pedal foot; 3. Base; 31. First mounting hole; 32. Second mounting hole; 4. Shaft; 5. Second elastic element; 6. Bushing; 7. Position detection component; 71. Angle sensor; 72. Transmission component; 73. Second connecting component; 8. Limiting components. Detailed Implementation

[0038] The embodiments of this application will be described below with reference to the accompanying drawings and preferred embodiments. Those skilled in the art can easily understand other advantages and effects of this application from the content disclosed in this specification. This application can also be implemented or applied through other different specific embodiments, and various details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of this application. It should be understood that the preferred embodiments are only for illustrating this application and are not intended to limit the scope of protection of this application.

[0039] It should be noted that the illustrations provided in the following embodiments are only schematic representations of the basic concept of this application. Therefore, the drawings only show the components related to this application and are not drawn according to the actual number, shape and size of the components in the actual implementation. In the actual implementation, the form, quantity and proportion of each component can be arbitrarily changed, and the layout of the components may also be more complex.

[0040] Please see Figures 1 to 18 The first aspect of this application proposes a force simulator 1, including a rotating component 11, a movable disk 12, a ball bearing 13, and a first elastic component 14. The rotating component 11 is used to connect with the pedal body 2 and can move synchronously with the pedal body 2, thereby transmitting the motion state of the pedal body 2 to the force simulator 1. Figure 1 , Figure 2 , Figure 15 , Figure 16 and Figure 17 As shown. Specifically, the rotating component 11 includes a pedal connecting part 111 and a boss part 112 arranged coaxially. The pedal connecting part 111 is used to be fixedly connected to the pedal body 2. The outer peripheral surface of the boss part protrudes from the outer peripheral surface of the pedal connecting part 111. The two can rotate synchronously around the axis of the rotating component 11.

[0041] The movable disk 12 and the boss portion 112 are arranged opposite to each other and coaxially. The rotating member 11 can rotate relative to the movable disk 12, and the movable disk 12 can move along the axial direction of the rotating member 11, thereby realizing the adjustment of the axial distance between the movable disk 12 and the boss portion 112. Figure 3 , Figure 5 , Figure 15 , Figure 16 and Figure 17As shown. The end face of the boss 112 facing the movable disk 12 is provided with a first groove 1121, and the end face of the movable disk 12 facing the boss 112 is provided with a second groove 121. The ball 13 is rolled between the first groove 1121 and the second groove 121, which can realize the positional movement of the ball 13 relative to the first groove 1121 and the second groove 121, and realize the force transmission between the boss 112 and the movable disk 12 through the ball 13. The recess depth of the first groove 1121 and / or the second groove 121 is set to vary along the circumference of the movable disk 12. Since the recess depth direction is parallel to the axis of the boss 112 and the movable disk 12, when the rotating member 11 rotates relative to the movable disk 12, the relative position of the first groove 1121 and the second groove 121 changes, and the recess depth of the groove where the ball 13 is located also changes, which will cause the movable disk 12 to move axially relative to the rotating member 11 (such as being pushed away from the boss 112 by the ball 13).

[0042] The first elastic element 14 is connected to the movable disc 12 and always tends to move the movable disc 12 toward the boss portion 112. It can apply an axial elastic force to the movable disc 12, which can simulate pedal resistance and is transmitted to the rotating element 11 and the pedal body 2 through the ball bearing 13, so that the user can feel the feedback force that matches the pedal displacement when braking.

[0043] In the above embodiment, in the initial state, the first elastic member 14 pushes the movable disk 12 toward the boss portion 112, and the ball 13 will be at the maximum recess depth position of the first groove 1121 and / or the second groove 121 (because the reaction force of the ball 13 on the movable disk 12 and the first elastic member 14 is minimal at this position). Figure 15 As shown. When the user presses down on the pedal body 2, the rotating component 11 can rotate together with the pedal body 2, and the boss portion 112 also rotates accordingly, causing the relative position of the first groove 1121 and the second groove 121 to change. Since the recess depth of the first groove 1121 and / or the second groove 121 is set to vary along the circumference of the movable disk 12, when the recess depth of the first groove 1121 and / or the second groove 121 (the recess depth along the axial direction of the rotating component 11 and the movable disk 12) decreases, the ball bearing 13 will push the movable disk 12, causing the movable disk 12 to overcome the elastic force of the first elastic component 14 and move away from the boss portion 112. At this time, the first elastic component 14 is further compressed, and its elastic force will increase with the increase of the axial distance between the boss portion 112 and the movable disk 12, which can generate a feedback force that matches the displacement of the pedal body 2, allowing the user to perceive the intuitive experience of the braking process.

[0044] When the pedal body 2 is released, the first elastic element 14 resets under the action of elastic force, pushes the movable disk 12 toward the boss 112, and applies a thrust toward the boss 112 to the ball 13. The ball 13 cooperates with the first groove 1121, causing the rotating element 11 to rotate in the opposite direction and return to the initial state.

[0045] It should be noted that, since the force simulator 1 of this application can convert the rotation of the rotating component 11 into the axial movement of the movable disk 12, thereby compressing the first elastic component 14 and generating a feedback force that matches the pedal displacement, the rotating component 11 can be arranged coaxially with the rotation axis of the pedal body 2, and the force simulator 1 as a whole can also be arranged coaxially with the rotation axis of the pedal body 2. There is no need to place the force simulator 1 as a whole under the pedal body 2, which will not occupy the longitudinal space under the pedal body 2 and can reduce the requirements for the arrangement space.

[0046] In the above embodiments, one of the first groove 1121 and the second groove 121 can be set as a variable cross-section groove to realize the change of the recess depth of the groove in the axial direction of the force simulator 1, thereby realizing the axial pushing of the movable disk 12 through the cooperation of the ball 13 and the variable cross-section groove; or both the first groove 1121 and the second groove 121 can be set as variable cross-section grooves, and the cooperation of the two grooves with the ball 13 can be realized through the change of the recess depth of the two grooves in the axial direction of the force simulator 1, which can also realize the axial pushing of the movable disk 12, and both can achieve the purpose of this application.

[0047] In some embodiments of this application, the first groove 1121 and the second groove 121 are both arc-shaped grooves, extending circumferentially along the rotating member 11 and the movable disk 12, respectively, providing circumferential movement space for the ball 13, such as... Figure 6 , Figure 7 , Figure 10 and Figure 11 As shown; when the rotating part 11 rotates relative to the movable disk 12, the ball 13 can move in the circumferential direction of the rotating part 11 and the movable disk 12 (i.e., within the first groove 1121 and the second groove 121), so as to avoid the ball 13 interfering with the relative rotation between the rotating part 11 and the movable disk 12, and to avoid the impact on the operation feel of the brake pedal due to problems such as the ball 13 getting stuck.

[0048] In the above embodiments, the depth of the arc-shaped grooves (i.e., the first groove 1121 and the second groove 121) in the circumferential direction of the boss 112 or the movable disk 12 can decrease or increase from one end to the other. However, when assembling the boss 112 and the movable disk 12, it is necessary to partially misalign the first groove 1121 and the second groove 121 in the circumferential direction, and the first groove 1121 and the second groove 121 have opposite trends in the circumferential depth of the force simulator 1 (i.e., the first groove 1121 in the force simulator...). If the circumferential depth of the first groove 1121 decreases in a clockwise direction, then the circumferential depth of the second groove 121 increases in a clockwise direction. When the rotating part 11 rotates relative to the movable disk 12, the position of the ball 13 can change from the maximum depth of the first groove 1121 and the second groove 121 to the minimum depth of the first groove 1121 and the second groove 121, thereby achieving the pushing of the movable disk 12. This requires high assembly accuracy of the force simulator 1.

[0049] To avoid the above problems, please refer to some preferred embodiments of this application. Figure 6 , Figure 7 , Figure 8 , Figure 10 , Figure 11 and Figure 12 The depth of the arc-shaped grooves (i.e., the first groove 1121 and the second groove 121) decreases from the center to both sides. The diameter of the ball 13 is greater than or equal to the sum of the maximum depths of the first groove 1121 and the second groove 121. Initially, the ball 13 is positioned at the maximum depth of the first groove 1121 and the second groove 121. When the rotating component 11 rotates relative to the movable disk 12, because the depth of the arc-shaped grooves decreases from the center to both sides, whether rotating in the forward or reverse direction, the position of the ball 13 changes from the maximum depth of the first groove 1121 and the second groove 121 to the minimum depth of the first groove 1121 and the second groove 121. During assembly, only the first groove 1121 and the second groove 121 need to be aligned, without the need for excessive position adjustments. This reduces the assembly accuracy requirements of the force simulator 1, greatly simplifies the assembly process, reduces the requirements for the skills of assembly personnel and the accuracy of assembly equipment, improves assembly efficiency, and reduces the product defect rate caused by assembly errors, which is beneficial for mass production and quality control.

[0050] In some embodiments of this application, please refer to Figure 6 and Figure 10 The first groove 1121 and the second groove 121 have the same structure and can be prepared using the same manufacturing process, which helps to simplify the production process of the force simulator 1 and reduce production costs.

[0051] In some embodiments of this application, please refer to Figures 5 to 13 The number of balls 13 is multiple, and the multiple balls 13 are evenly distributed along the circumference of the boss portion 112 and / or the movable disk 12. Multiple first grooves 1121 and multiple second grooves 121 are correspondingly arranged with the multiple balls 13, which can realize the uniform force transmission between the boss portion 112 and the movable disk 12 in the circumferential direction. By having the multiple balls 13 make uniform contact and push against the movable disk 12, the axial movement of the movable disk 12 relative to the boss portion 112 (i.e., the rotating part 11) is ensured, and the force between the boss portion 112 and the movable disk 12 is effectively dispersed. This can avoid local wear caused by stress concentration, extend the service life of the components, and help improve the reliability and durability of the entire force simulator 1 structure.

[0052] In some embodiments of this application, please refer to Figures 2 to 5 as well as Figures 15 to 17 The force simulator 1 also includes a limit seat 15. The rotating component 11 is rotatably mounted on the limit seat 15 and can rotate relative to the limit seat 15. The movable disk 12 is slidably mounted inside the limit seat 15. The limit seat 15 can guide and limit the movable disk 12, ensuring the sliding stability of the movable disk 12 in the axial direction of the force simulator 1. This effectively avoids instability such as offset and shaking of the movable disk 12 during movement, ensuring the accuracy of the sliding trajectory of the movable disk 12, and thus ensuring that the force simulator 1 can accurately transmit and simulate the pedal force according to the design requirements.

[0053] The first elastic element 14 is disposed inside the limiting seat 15. Both ends of the first elastic element 14 abut against the inner wall of the limiting seat 15 and the movable plate 12, respectively. The limiting seat 15 provides a relatively enclosed protective space for the first elastic element 14, allowing for protection and extension / retraction guidance, enabling the first elastic element 14 to extend and retract axially within the force simulator 1. During operation of the force simulator 1, the first elastic element 14 deforms and retracts according to the force applied to the movable plate 12, generating an elastic force that pushes the movable plate 12 back to its initial state or hinders its axial movement, thus simulating the pedal force.

[0054] Because the limiting seat 15 effectively protects and guides the first elastic element 14, the first elastic element 14 can work stably and reliably, providing continuous and stable elastic support for the axial movement of the movable plate 12, and ensuring that the movable plate 12 can achieve accurate axial movement according to the design requirements.

[0055] In some embodiments of this application, please refer to Figure 4 , Figure 5 as well as Figures 14 to 16The limiting seat 15 includes a detachably connected cylindrical body 151 and an end cap 152 to facilitate the opening and closing of the installation space inside the limiting seat 15. The movable disc 12 and the first elastic element 14 are coaxially disposed inside the cylindrical body 151, which extends axially. One end of the cylindrical body 151 is provided with a limiting flange 1511 that matches the movable disc 12. One end of the movable disc 12, which has a second groove 121, can extend out of the cylindrical body 151 to engage with the ball bearing 13. The limiting flange 1511 prevents the movable disc 12 from dislodging from one end of the cylindrical body 151 when it is abutted by the first elastic element 14. The movable disc 12 is provided with a limiting protrusion 123 that matches the limiting flange 1511. The axial limiting of the movable disc 12 can be achieved through the cooperation of the limiting flange 1511 and the limiting protrusion 123. Figure 10 , Figure 13 , Figure 14 and Figure 15 As shown.

[0056] The other end of the cylinder 151 is provided with an end cap 152. The cylinder 151 and the end cap 152 are detachably connected, specifically by screwing, snap-fitting, or other methods. The two ends of the first elastic member 14 abut against the movable disc 12 and the end cap 152 respectively, which can prevent the movable disc 12 and the first elastic member 14 from coming off from the other end of the cylinder 151.

[0057] When assembling the force simulator 1, the operator can first place components such as the movable disc 12 and the first elastic element 14 into the cylinder 151, and then install the end cover 152 onto the cylinder 151 via the first connector 153 to complete the assembly of the limit seat 15. Similarly, when it is necessary to inspect, replace, or maintain the components inside the limit seat 15, only the end cover 152 needs to be removed to directly access the movable disc 12 and the first elastic element 14 inside, without the need for large-scale disassembly of the entire force simulator 1. This greatly simplifies the installation and maintenance process, improves work efficiency, and reduces maintenance costs.

[0058] In some embodiments of this application, please refer to Figure 5 , Figure 10 and Figure 14 The limiting seat 15 has a receiving cavity inside, and a first guide portion 1512 extending axially is provided on the inner wall of the receiving cavity. A second guide portion 122 matching the first guide portion 1512 is provided on the outer periphery of the movable disk 12. The first guide portion 1512 and the second guide portion 122 are in concave-convex fit and slide along the axial direction of the movable disk 12. While realizing the axial movement guidance of the movable disk 12, it can prevent the movable disk 12 from rotating inside the limiting seat 15, which can ensure the accuracy of the force simulator 1.

[0059] Specifically, the first guide part 1512 is disposed in the inner wall of the cylinder 151 and extends along the axial direction of the cylinder 151. The outer periphery of the movable disk 12 is provided with a matching second guide part 122. The two are in concave-convex cooperation to form a sliding connection, providing a precise track for the axial movement of the movable disk 12, so that the movable disk 12 can only move in a straight line along the axial direction of the limit seat 15. This effectively avoids instability such as offset, rotation, and shaking of the movable disk 12 during movement, ensuring the accuracy of the sliding trajectory of the movable disk 12. This, in turn, ensures that the force simulator 1 can accurately transmit and simulate force according to the design requirements, and provides reliable pedal force feedback for the brake-by-wire system.

[0060] In some embodiments of this application, please refer to Figure 5 , Figure 10 and Figure 14 The first guide part 1512 is a protruding ridge that protrudes from the inner wall of the cylinder 151. The length direction of the ridge is parallel to the axial direction of the cylinder 151. The second guide part 122 is a guide groove opened on the outer periphery of the movable disk 12. By the engagement of the ridge and the guide groove, the movable disk 12 can only move linearly along the axial direction of the limiting seat 15.

[0061] Please refer to some preferred embodiments of this application. Figure 14 Multiple first guide portions 1512 are evenly arranged along the circumference of the cylinder 151, and multiple second guide portions 122 are arranged one-to-one with the multiple first guide portions 1512, which can realize the uniform guiding effect of the cylinder 151 on the movable disk 12. At the same time, the cooperation of multiple protrusions and guide grooves can disperse the force on the movable disk 12 during movement, avoid local stress concentration, and prevent local wear aggravation on the circumference of the movable disk 12 and the cylinder 151. This helps to extend the service life of the movable disk 12 and the cylinder 151 and reduce the maintenance cost of the force simulator 1.

[0062] In some embodiments of this application, please refer to Figure 4 , Figure 6 and Figure 16 The rotating component 11 also includes an extension section 113 coaxially arranged with the boss portion 112. One end of the extension section 113 extends into the interior of the cylinder 151 and passes through the movable disk 12 and the first elastic member 14 in sequence. This facilitates the coaxial arrangement of the rotating component 11, the movable disk 12, and the first elastic member 14. At the same time, it can provide axial guidance for the extension and retraction of the first elastic member 14, preventing the first elastic member 14 from deviating from the axial direction of the force simulator 1 during the extension and retraction process, thus affecting the accurate axial movement of the movable disk 12.

[0063] Specifically, the center of the movable plate 12 has a through hole 124 for the extension section 113 to pass through, and the through hole 124 and the extension section 113 are in clearance fit. The first elastic element 14 is a spring, and the extension section 113 can pass through the spring and guide the spring's extension and contraction direction.

[0064] In the above embodiment, the force simulator 1 can convert the rotation of the rotating member 11 into the axial movement of the movable disc 12, thereby changing the degree of compression of the first elastic member 14, and simulating the resistance when the user presses the brake pedal through the elastic force of the first elastic member 14, so that the user can intuitively perceive the braking process when pressing the pedal 22, just like the pedal force felt in a traditional braking system, which greatly enhances the realism and experience of driving.

[0065] The rotating component 11 and the force simulator 1 can be coaxially arranged with the rotation axis of the pedal body 2, eliminating the need to tilt the force simulator 1 below the pedal body 2. This reduces the space occupied by the force simulator 1 in the longitudinal direction and lowers the space requirements for its arrangement. In situations where interior space is limited, this allows for a compact layout of the force simulator 1 and the pedal body 2, providing more space for the installation and layout of other components and improving the overall utilization of the interior space.

[0066] Please see Figures 1 to 18 The second aspect of this application proposes a brake pedal, including the force simulator 1 described in the above embodiments, and also including a pedal body 2. The pedal body 2 includes a pedal arm 21 and a pedal 22. The axis of the rotating member 11 coincides with the rotation axis of the pedal arm 21. The pedal arm 21 is connected to the pedal connecting part 111. When the user presses down on the pedal 22, the pedal arm 21 rotates downward and can drive the rotating member 11 to rotate around its axis. The first groove 1121 changes position relative to the movable disk 12, generating a pushing action on the ball bearing 13 and the movable disk 12, causing the movable disk 12 to compress the first elastic member 14. The force simulator 1 is composed of... Figure 15 The state shown becomes Figure 16 In the state shown, the elastic force generated by the compression of the first elastic element 14 reacts on the movable disc 12, the ball bearing 13 and the rotating element 11, and is transmitted to the pedal arm 21 and the pedal 22, so that the user can intuitively feel the braking process when pressing the pedal 22.

[0067] It should be noted that when the force simulator 1 of this application is coaxially arranged with the rotation axis of the pedal arm 21, the force simulator 1 can convert the rotation of the pedal body 2 and the rotating component 11 into the axial movement of the movable disc 12, so that the first elastic component 14 can be compressed and generate feedback force. Only the pedal arm 21 and the rotating component 11 need to be fixedly connected, and no other transmission components need to be set up, making the connection between the force simulator 1 and the pedal body 2 simpler and more direct, and easier to install and integrate into the vehicle's braking system.

[0068] In some embodiments of this application, please refer to Figure 1 , Figure 2 as well as Figures 15 to 17 The brake pedal also includes a base 3, a rotating shaft 4, and a second elastic element 5. The base 3 is used to realize the overall installation of the brake pedal in the vehicle body. The rotating shaft 4 is set on the base 3. The rotating element 11 is a tubular structure and is sleeved on the outside of the rotating shaft 4, and can rotate relative to the rotating shaft 4. The pedal body 2 has an initial position and a braking position. The second elastic element 5 is connected to the pedal body 2 and always has the tendency to return the pedal body 2 from the braking position to the initial position. It can realize the automatic reset of the pedal body 2 after the user releases the pedal 22.

[0069] When the pedal body 2 is in its initial position, the force simulator 1 is also in its initial position. At this time, the first groove 1121 of the boss 112 and the second groove 121 of the movable disk 12 are directly opposite each other, and the ball bearing 13 is at the maximum recess depth of the first groove 1121 and / or the second groove 121. The compression degree of the first elastic element 14 and the second elastic element 5 is minimal, and the limiting protrusion 123 of the movable disk 12 is in close contact with the limiting flange 1511 on the cylinder 151. When the user steps down the pedal 22, the pedal arm 21 drives the rotating element 11 to rotate, and the second elastic element 5 is compressed accordingly. The position of the first groove 1121 relative to the second groove 121 changes (from... Figure 15 The position shown becomes Figure 16 (As shown in the diagram), the boss 112 exerts an axial thrust on the ball bearing 13 and the movable disc 12, causing the movable disc 12 to undergo an axial displacement L. This further compresses the first elastic element 14. At this time, the pedal body 2 will bear the dual elastic force (i.e., dual resistance) of the first elastic element 14 and the second elastic element 5, making the user's perception of braking resistance more pronounced. When the user releases the pedal 22, the pedal arm 21 rotates upward under the elastic force of the second elastic element 5, returning from the braking position to the initial position. Simultaneously, the rotating part 11 rotates synchronously with the pedal arm 21, and the first elastic element 14 even pushes the movable disc 12 toward the boss 112, causing the force simulator 1 to return to its initial position (i.e., from the braking position). Figure 16 The position shown becomes Figure 15 (The location shown).

[0070] It should be noted that, through the coordinated action of the first elastic element 14 and the second elastic element 5, the brake pedal can simulate a pedal feel close to that of a traditional braking system. In the initial stage of braking, the second elastic element 5 provides a certain initial resistance. As the braking intensity increases, the compression of the first elastic element 14 increases, and the resistance also increases accordingly. This gradually changing resistance characteristic matches the actual braking process, allowing the user to more realistically feel the changes in braking force, thereby better controlling the braking intensity and improving driving safety and comfort.

[0071] In some embodiments of this application, please refer to Figure 2 and Figure 17 The second elastic element 5 is a torsion spring wound around the rotating element 11. One end of the torsion spring is connected to the base 3, and the other end is connected to the pedal body 2. When the pedal body 2 rotates relative to the base 3, the torsion spring is compressed and generates a restoring force. When the pedal 22 is released, the torsion spring returns to its original position under the action of the restoring force, and drives the pedal body 2 to rotate in the opposite direction. The two ends of the torsion spring are directly connected to the base 3 and the pedal body 2, and the pedal body 2 is reset through its own elastic deformation. There is no need for a complex transmission mechanism or additional connecting parts. The reset structure is simple, reducing energy loss and failure points in the transmission process, and improving the overall efficiency and reliability of the braking system.

[0072] In some embodiments of this application, please refer to Figure 2 and Figure 17 The brake pedal also includes a bushing 6, which is positioned between the rotating component 11 and the rotating shaft 4. This bushing 6 prevents direct contact between the rotating component 11 and the rotating shaft 4, avoiding surface wear. When the rotating component 11 rotates relative to the rotating shaft 4, the bushing 6 provides intermediate isolation. Simultaneously, due to the low coefficient of friction and cushioning effect of the bushing 6, when the rotating component 11 rotates on the rotating shaft 4, the bushing 6 suppresses rotational fluctuations and impacts, resulting in smoother movement and reducing noise caused by uneven movement.

[0073] In some embodiments of this application, please refer to Figure 2 and Figure 17 The bushing 6 is located at both ends of the rotating part 11, which can reduce wear, vibration and noise between the rotating part 11 and the shaft 4, and extend the service life of the rotating part 11 and the shaft 4. At the same time, the bushing 6 can also play a role in end sealing and protection, preventing impurities from entering the gap between the rotating part 11 and the shaft 4, which can reduce corrosion and wear, and further extend the service life of the brake pedal.

[0074] In some embodiments of this application, please refer to Figure 1 and Figure 2The brake pedal also includes a position detection component 7, which is correspondingly set with the pedal body 2 and is used to detect the position change of the pedal body 2. When the user presses the pedal 22 to brake, the position detection component 7 can detect the position change of the pedal body 2 in real time and accurately, and convert the specific travel information of the pedal from the initial position to the braking position into an electrical signal and transmit it to the electronic control unit (ECU). The ECU can accurately calculate the required braking force based on these precise displacement data and other parameters such as vehicle speed, so as to achieve high-precision braking of the brake-by-wire system.

[0075] The brake-by-wire system obtains pedal position information through the position detection component 7, which allows it to work in coordination with other vehicle systems, such as the anti-lock braking system (ABS) and electronic stability program (ESP). When dangerous situations such as wheel lock-up or loss of vehicle control occur during braking, the ECU can comprehensively judge and coordinate the actions of various systems based on information such as pedal position, vehicle speed, and vehicle attitude to achieve optimal braking effect and vehicle stability control, thereby further improving driving safety.

[0076] In the above embodiments, the position detection component 7 may include detection components such as angle sensor 71 and displacement sensor. As long as it can realize the monitoring of the position change of the pedal body 2 throughout the entire process, the purpose of this application can be achieved.

[0077] In some embodiments of this application, please refer to Figure 2 The position detection component 7 includes an angle sensor 71 and a transmission component 72. The transmission component 72 connects the angle sensor 71 and the pedal arm 21, so that the detection end of the angle sensor 71 can rotate synchronously with the pedal arm 21, thereby achieving accurate detection of the rotation angle of the pedal arm 21 and providing accurate position change data of the pedal body 2 for the brake-by-wire system.

[0078] In some embodiments of this application, please refer to Figure 2 The position detection component 7 also includes a second connector 73, which allows the position detection component 7 to be mounted on the base 3, thus achieving stable installation of the position detection component 7.

[0079] In some embodiments of this application, please refer to Figure 1 , Figure 2 , Figure 3 , Figure 14 and Figure 18The brake pedal also includes a limiting member 8, which is disposed on the base 3; the force simulator 1 includes a limiting seat 15, a rotating member 11 is rotatably disposed on the limiting seat 15, and a movable disc 12 is slidably disposed inside the limiting seat 15; a limiting part 1513 is provided on the outer peripheral surface of the limiting seat 15, and the limiting member 8 cooperates with the limiting part 1513 to prevent the limiting seat 15 from rotating relative to the base 3, thereby preventing the movable disc 12 from rotating relative to the rotating member 11, so that the movable disc 12 can only move along the axial direction of the force simulator 1, ensuring the accurate operation of the force simulator 1 and the brake pedal, avoiding the problem of unstable braking force transmission caused by the rotation of the movable disc 12, and improving the reliability and safety of braking.

[0080] In some embodiments of this application, please refer to Figure 1 , Figure 2 , Figure 3 , Figure 14 and Figure 18 The limiting member 8 is a limiting post extending along the axial direction of the force simulator 1. A limiting groove (i.e., limiting part 1513) extending along its axial direction is provided on the outer peripheral surface of the cylinder 151. The limiting member 8 is partially embedded in the limiting groove, and both ends of the limiting member 8 are fixedly set on the base 3. This can prevent the cylinder 151 from rotating relative to the base 3, thereby ensuring that the movable disk 12 inside the cylinder 151 will not rotate relative to the base 3 and can only move along the axial direction.

[0081] In some embodiments of this application, please refer to Figure 2 The base 3 is provided with a first mounting hole 31 and a second mounting hole 32. The first mounting hole 31 is used to install the limiting member 8 on the base 3, and the second mounting hole 32 is used to install the rotating shaft 4 on the base 3. This provides a mounting base for components such as the pedal body 2, the force simulator 1, and the position detection component 7, which is conducive to the integrated setup of the brake-by-wire system.

[0082] Please see Figures 1 to 18 The third aspect of this application provides a vehicle including the brake pedal described in the above embodiments, which can improve the accuracy of braking control and enhance the user's operating experience during braking.

[0083] Specifically, the brake-by-wire pedal transmits braking commands through electronic signals, enabling rapid response and precise control of the braking system, which can effectively improve braking performance and safety. In this application, the force simulator 1 and the rotation axis of the pedal arm 21 are arranged coaxially, which not only enables the simulation of braking resistance, but also reduces the space requirements of the force simulator 1 inside the vehicle, avoids excessive occupation of the longitudinal space inside the vehicle, and facilitates the arrangement of other components in the vehicle.

[0084] This application optimizes the structure of the force simulator 1, enabling it to convert the rotation of the rotating component 11 into the axial movement of the movable disk 12, thus compressing the first elastic component 14 and generating a feedback force. Therefore, the rotating component 11 can be coaxially arranged with the rotation axis of the pedal body 2, and the force simulator 1 as a whole can also be coaxially arranged with the rotation axis of the pedal body 2. This eliminates the need to place the entire force simulator 1 below the pedal body 2, avoiding the occupation of longitudinal space below the pedal body 2 and significantly reducing the space requirements for its placement. In situations where vehicle interior space is limited, this provides more space for the installation and layout of other components, improving the overall utilization rate of the vehicle interior space; it also solves the technical problem that traditional force simulators, when placed entirely below the pedal body 2, occupy a significant amount of longitudinal space and have high requirements for layout space.

[0085] It should be understood that the terminology used herein is for the purpose of describing particular exemplary embodiments only and is not intended to be limiting. Unless the context clearly indicates otherwise, the singular forms “a,” “an,” and “described” as used herein may also include the plural forms. The terms “comprising,” “including,” “containing,” and “having” are inclusive and therefore indicate the presence of the stated features, steps, operations, elements, and / or components, but do not exclude the presence or addition of one or more other features, steps, operations, elements, components, and / or combinations thereof. The method steps, processes, and operations described herein are not construed as requiring them to be performed in a particular order described or illustrated unless the order of performance is explicitly indicated. It should also be understood that additional or alternative steps may be used.

[0086] Although terms such as first, second, third, etc., may be used in this document to describe multiple elements, components, regions, layers, and / or segments, these elements, components, regions, layers, and / or segments should not be limited by these terms. These terms may be used only to distinguish one element, component, region, layer, or segment from another. Unless the context clearly indicates otherwise, terms such as "first," "second," and other numerical terms used herein do not imply order or sequence. Therefore, the first element, component, region, layer, or segment discussed below may be referred to as the second element, component, region, layer, or segment without departing from the teachings of the exemplary embodiments.

[0087] The above description is merely a specific embodiment of the present invention, enabling those skilled in the art to understand or implement the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the present invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features claimed herein.

Claims

1. A force simulator, characterized in that, include: The rotating component (11) includes a pedal connecting part (111) and a boss part (112) arranged coaxially. The movable disk (12) is arranged opposite to and coaxially with the boss (112), the rotating member (11) can rotate relative to the movable disk (12), and the movable disk (12) can move along the axial direction of the rotating member (11); The ball (13) has a first groove (1121) on the end face of the boss (112) facing the movable disk (12), and a second groove (121) on the end face of the movable disk (12) facing the boss (112). The ball (13) is rolled between the first groove (1121) and the second groove (121). The depth of the first groove (1121) and / or the second groove (121) varies along the circumference of the movable disk (12). The first elastic element (14) is connected to the movable disk (12) and always has the tendency to move the movable disk (12) toward the boss (112).

2. The force simulator according to claim 1, characterized in that, Both the first groove (1121) and the second groove (121) are arc-shaped grooves, and the depth of the arc-shaped groove decreases from the middle to both sides; the diameter of the ball (13) is greater than or equal to the sum of the maximum depth of the first groove (1121) and the maximum depth of the second groove (121).

3. The force simulator according to claim 1, characterized in that, The number of the balls (13) is multiple, and the multiple balls (13) are evenly distributed along the circumference of the boss (112) and / or the movable disk (12). The multiple first grooves (1121) and the multiple second grooves (121) are correspondingly arranged with the multiple balls (13).

4. The force simulator according to any one of claims 1 to 3, characterized in that, It also includes a limiting seat (15), the rotating member (11) is rotatably disposed on the limiting seat (15), the movable disk (12) is slidably disposed inside the limiting seat (15), the first elastic member (14) is disposed inside the limiting seat (15), and the two ends of the first elastic member (14) abut against the inner wall of the limiting seat (15) and the movable disk (12) respectively.

5. The force simulator according to claim 4, characterized in that, The limiting seat (15) includes a detachably connected cylindrical body (151) and an end cap (152). The movable disc (12) and the first elastic element (14) are coaxially disposed inside the cylindrical body (151). The cylindrical body (151) extends through it along its axial direction. One end of the cylindrical body (151) is provided with a limiting flange (1511) that matches the movable disc (12). The other end of the cylindrical body (151) is provided with the end cap (152). The two ends of the first elastic element (14) abut against the movable disc (12) and the end cap (152) respectively.

6. The force simulator according to claim 4, characterized in that, The limiting seat (15) has a receiving cavity inside, and a first guide portion (1512) extending along its axial direction is provided on the inner wall of the receiving cavity. A second guide portion (122) matching the first guide portion (1512) is provided on the outer periphery of the movable disk (12). The first guide portion (1512) and the second guide portion (122) are in concave-convex fit and are slidably connected along the axial direction of the movable disk (12).

7. The force simulator according to claim 5, characterized in that, The rotating component (11) also includes an extension section (113) coaxially arranged with the boss portion (112). One end of the extension section (113) extends into the interior of the cylinder (151) and passes through the movable disc (12) and the first elastic component (14) in sequence.

8. A brake pedal, characterized in that, The force simulator (1) as described in any one of claims 1 to 7 further includes a pedal body (2), the pedal body (2) including a pedal arm (21), the axis of the rotating member (11) coinciding with the rotation axis of the pedal arm (21), the pedal arm (21) being connected to the pedal connecting part (111), and capable of driving the rotating member (11) to rotate around its axis.

9. The brake pedal according to claim 8, characterized in that, It also includes a base (3), a rotating shaft (4), and a second elastic element (5). The rotating shaft (4) is disposed on the base (3). The rotating element (11) is a tubular structure and is sleeved on the outside of the rotating shaft (4), and can rotate relative to the rotating shaft (4). The pedal body (2) has an initial position and a braking position. The second elastic element (5) is connected to the pedal body (2) and always has a tendency to return the pedal body (2) from the braking position to the initial position.

10. The brake pedal according to claim 9, characterized in that, The second elastic element (5) is a torsion spring wound around the rotating element (11), one end of the torsion spring is connected to the base (3), and the other end of the torsion spring is connected to the pedal body (2).

11. The brake pedal according to claim 9, characterized in that, It also includes a bushing (6) disposed between the rotating member (11) and the rotating shaft (4).

12. The brake pedal according to claim 9, characterized in that, It also includes a position detection component (7), which is correspondingly set with the pedal body (2) and is used to detect position changes of the pedal body (2).

13. The brake pedal according to any one of claims 9 to 12, characterized in that, It also includes a limiting member (8), which is disposed on the base (3); The force simulator (1) includes a limiting seat (15), the rotating component (11) is rotatably disposed on the limiting seat (15), and the movable disk (12) is slidably disposed inside the limiting seat (15); a limiting part (1513) is provided on the outer peripheral surface of the limiting seat (15), and the limiting component (8) cooperates with the limiting part (1513) to prevent the limiting seat (15) from rotating relative to the base (3).

14. A vehicle, characterized in that, Includes the brake pedal as described in any one of claims 8 to 13.

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