An automatic brake pedal actuator

Abstract

This utility model relates to the field of automotive technology, specifically to an automatic brake pedal actuator. It includes a base and auxiliary components. The auxiliary components include a lower screw support, an upper screw support, a screw, a linear electric cylinder, a mounting component, and a sensor component. During testing, the working angle of the linear electric cylinder can be adjusted via the mounting component, and the height of the mounting component can be adjusted via the cooperation of the lower screw support, upper screw support, and screw, thus achieving height adjustment of the linear electric cylinder. This allows for adjustment of the working angle and height of the sensor component. During testing, the linear electric cylinder is extended and retracted, and the outer end of the sensor component's detection section contacts the brake pedal, simulating the driver's action of pressing the brake pedal. Simultaneously, the sensor component measures the real-time braking pressure and feeds it back to the processing computer, thereby adjusting the actuator's working position. This facilitates testing with different pedal samples.

Description

Technical Field

[0001] This utility model relates to the field of automotive technology, and in particular to an automatic brake pedal actuator. Background Technology

[0002] Drive-by-wire chassis replace traditional mechanical connections with electronic signals, enabling precise electronic control of vehicle steering, braking, and drive functions. As drive-by-wire chassis become more widespread, the demand for automated chassis testing equipment is increasing. During braking system testing, it is necessary to simulate the actions of a driver pressing the brake pedal under different conditions during actual driving.

[0003] However, under current technology, there are few flexible testing equipment that can be flexibly adjusted based on the different positions of the driver's cab and pedals in different vehicles, which seriously restricts production. Utility Model Content

[0004] The purpose of this invention is to provide an automatic actuator for brake pedals, which can adjust the working position of the actuator and is convenient for testing different pedal samples.

[0005] To achieve the above objectives, this utility model provides an automatic brake pedal actuator, including a base and auxiliary components;

[0006] The auxiliary components include a lower screw support, an upper screw support, a screw, a linear electric cylinder, a mounting component, and a sensor component. The lower screw support is detachably connected to the base, the upper screw support is connected to the mounting component, the screw is disposed between the lower screw support and the upper screw support, with its top end detachably connected to the upper screw support and its bottom side threadedly connected to the lower screw support. The linear electric cylinder is disposed on the upper side of the base via the mounting component, and the sensor component is disposed at the output end of the linear electric cylinder.

[0007] The mounting component includes an electric cylinder bracket and a mating component. The electric cylinder bracket is detachably connected to the base. The mating component is located on the side of the electric cylinder bracket near the linear electric cylinder.

[0008] The mating components include an electric cylinder adjusting seat and an electric cylinder locking block. The electric cylinder adjusting seat is detachably connected to the electric cylinder bracket and is symmetrically arranged. The electric cylinder locking blocks on both sides pass through the central hole of the electric cylinder adjusting seat and are located on the outside of the housing of the linear electric cylinder.

[0009] The sensor component includes a mounting component and a pressure sensor. The mounting component is installed on the output end of the linear electric cylinder, and the pressure sensor is installed on the mounting component.

[0010] The mounting component is a connecting flange.

[0011] This utility model discloses an automatic brake pedal actuator. During testing, the working angle of the linear electric cylinder can be adjusted by mounting components, and the height of the mounting components can be adjusted by the cooperation of the lower screw support, upper screw support, and screw, thereby achieving height adjustment of the linear electric cylinder. This allows for adjustment of the working angle and height of the sensor component. During testing, the linear electric cylinder is controlled to extend and retract, and the outer end of the detection part of the sensor component contacts the brake pedal, simulating the action of a driver pressing the brake pedal. Simultaneously, the sensor component measures the real-time braking pressure and feeds it back to the processing computer, thereby achieving adjustment of the actuator's working position. This facilitates testing with different pedal samples. Attached Figure Description

[0012] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the accompanying drawings used in the description of the embodiments or the prior art will be briefly introduced below.

[0013] Figure 1 This is a schematic diagram of the overall structure of the automatic brake pedal actuator of this utility model.

[0014] In the diagram: 1-base, 2-lower screw support, 3-screw, 4-electric cylinder bracket, 5-upper screw support.

[0015] 6-Electric cylinder adjusting seat, 7-Electric cylinder locking block, 8-Linear electric cylinder, 9-Mounting component, 10-Pressure sensor. Detailed Implementation

[0016] The embodiments of the present invention are described in detail below. Examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, but should not be construed as limiting the present invention.

[0017] like Figure 1 ,in Figure 1 This is a schematic diagram of the overall structure of an automatic brake pedal actuator. This utility model provides an automatic brake pedal actuator, including a base 1 and auxiliary components. The auxiliary components include a lower screw support 2, an upper screw support 5, a screw 3, a linear electric cylinder 8, a mounting component, and a sensor component. The mounting component includes an electric cylinder bracket 4 and mating parts. The mating parts include an electric cylinder adjusting seat 6 and an electric cylinder locking block 7. The sensor component includes a mounting part 9 and a pressure sensor 10. This design allows for adjustment of the actuator's working position, facilitating testing with different pedal samples. It is understood that this design is suitable for testing with different pedal samples.

[0018] In this embodiment, through mounting holes are provided at the four right angles of the base 1 to facilitate fixed installation by bolts.

[0019] The lower screw support 2 is detachably connected to the base 1, the upper screw support 5 is connected to the mounting component, the screw 3 is positioned between the lower screw support 2 and the upper screw support 5, with its top end detachably connected to the upper screw support 5 and its bottom side threadedly connected to the lower screw support 2. The linear electric cylinder 8 is mounted on the upper side of the base 1 via the mounting component, and the sensor component is located at the output end of the linear electric cylinder 8. The lower screw support 2 is fixed to the base 1 with bolts and has a vertically threaded hole. The upper screw support 5 is fixed to the electric cylinder bracket 4 with bolts. The bottom of the upper screw support 5 has a non-penetrating mating hole from bottom to top. The top optical axis end of the screw 3 can be slidably inserted into the non-penetrating mating hole at the bottom of the upper screw support 5. After insertion, the hexagonal end below the top optical axis end will always be exposed, facilitating wrench rotation and adjustment. The linear electric cylinder 8 is used to control the precise movement of the sensor component and its contact with the pedal, thereby enabling testing at different positions. The electric cylinder is a modular product that integrates a servo motor and a lead screw, converting the rotary motion of the servo motor into linear motion. It also transforms the servo motor's best advantages—precise speed control, precise revolution control, and precise torque control—into precise speed control, precise position control, and precise thrust control, achieving a new series of high-precision linear motion products. All electrical components mentioned in this document are electrically connected to the main controller and power supply. The main controller can be a computer or other conventionally known control device, and existing publicly available power connection technologies are not detailed here. Furthermore, the linear electric cylinder 8, as existing technology, has a common working principle and wiring method that are standard practices or common knowledge; therefore, it will not be elaborated further. Those skilled in the art can select and configure it arbitrarily according to their needs or convenience.

[0020] Secondly, the electric cylinder bracket 4 is detachably connected to the base 1; the mating component is located on the side of the electric cylinder bracket 4 near the linear electric cylinder 8. The base 1 has symmetrically arranged adjusting grooves to facilitate the fixed installation of the electric cylinder bracket 4 using a T-shaped screw and a locking nut. Simultaneously, after loosening the locking nut of the T-shaped screw of the electric cylinder bracket 4, rotating the screw 3 through its external hexagonal end facilitates the vertical height adjustment of the electric cylinder bracket 4. The mating component is used for adjusting the tilt angle of the linear electric cylinder 8.

[0021] Then, the electric cylinder adjusting seat 6 is detached and connected to the electric cylinder bracket 4, and is symmetrically arranged; the electric cylinder locking blocks 7 on both sides pass through the central hole of the electric cylinder adjusting seat 6 and are located on the outside of the housing of the linear electric cylinder 8. The top of the electric cylinder bracket 4 is symmetrically provided with adjusting grooves, which facilitates the electric cylinder adjusting seat 6 to be fixed to the top of the electric cylinder bracket 4 by T-shaped screws and locking nuts, and realizes position adjustment. When adjusting, after loosening the locking nuts, the electric cylinder adjusting seat 6 can be pulled back and forth to adjust its position. The electric cylinder adjusting seat 6 is provided with mounting round holes, and the top of the mounting round holes is provided with rectangular gap grooves. The rectangular gap grooves are reduced by tightening the fastening bolts on the electric cylinder adjusting seat 6, thereby reducing the size of the circular cavity on the electric cylinder adjusting seat 6, thereby gripping the mounting round shafts on both sides of the electric cylinder locking block 7, so that it cannot rotate after gripping, ensuring the tilt angle position. The electric cylinder locking block 7 is connected to the housing of the linear electric cylinder 8 by bolts to realize the limiting of the linear electric cylinder 8.

[0022] Furthermore, the mounting component 9 is installed on the output end of the linear electric cylinder 8; the pressure sensor 10 is installed on the mounting component 9. The mounting component 9 is installed on the output end of the linear electric cylinder 8 by countersunk bolts, and the housing of the pressure sensor 10 is connected to the mounting component 9 by countersunk bolts.

[0023] Finally, the mounting component 9 is a connecting flange.

[0024] When using the automatic brake pedal actuator of this utility model, firstly, the position of the mechanism is adjusted. The position adjustment process is as follows: first, loosen the fixing bolts of the electric cylinder bracket 4 and the base 1, rotate the screw 3 to adjust the height of the electric cylinder bracket 4, and tighten the fixing bolts after adjustment to fix the test height. Then, loosen the fixing bolts of the electric cylinder adjusting seat 6 and the electric cylinder bracket 4, adjust the front and rear position of the electric cylinder adjusting seat 6, and tighten the fixing bolts after adjustment to fix the front and rear position for testing. Next, loosen the locking bolts of the top of the electric cylinder adjusting seat that reduce the rectangular gap groove to achieve loosening. At this time, rotate the electric cylinder locking block 7 until the angle position is appropriate, and then tighten the locking bolts on the electric cylinder adjusting seat 6 to fix the angle. Further, after the adjustment is completed, testing can be carried out. During the test, the linear electric cylinder 8 is controlled to extend and retract, and the outer end of the pressure sensor 10 contacts the brake pedal to realize the action of the driver stepping on the brake pedal. At the same time, the pressure sensor 10 measures the real-time braking pressure and feeds it back to the processing computer. Before testing, the working height, front-to-back position, and tilt angle of the pressure sensor 10 can be directly adjusted, which will facilitate testing of different samples and enable adjustment of the actuator's working position, making it easier to adapt to different pedal samples for testing.

[0025] The above-disclosed embodiments are merely one or more preferred embodiments of this application and should not be construed as limiting the scope of this application. Those skilled in the art can understand that all or part of the processes for implementing the above embodiments and equivalent changes made in accordance with the claims of this application still fall within the scope of this application.

Claims

1. An automatic brake pedal actuator, comprising a base, characterized in that: It also includes auxiliary components; The auxiliary components include a lower screw support, an upper screw support, a screw, a linear electric cylinder, a mounting component, and a sensor component. The lower screw support is detachably connected to the base, the upper screw support is connected to the mounting component, the screw is disposed between the lower screw support and the upper screw support, with its top end detachably connected to the upper screw support and its bottom side threadedly connected to the lower screw support. The linear electric cylinder is disposed on the upper side of the base via the mounting component, and the sensor component is disposed at the output end of the linear electric cylinder.

2. The automatic brake pedal actuator as described in claim 1, characterized in that: The mounting component includes an electric cylinder bracket and a mating component. The electric cylinder bracket is detachably connected to the base. The mating component is located on the side of the electric cylinder bracket near the linear electric cylinder.

3. The automatic brake pedal actuator as described in claim 2, characterized in that: The mating components include an electric cylinder adjusting seat and an electric cylinder locking block. The electric cylinder adjusting seat is detachably connected to the electric cylinder bracket and is symmetrically arranged. The electric cylinder locking blocks on both sides pass through the central hole of the electric cylinder adjusting seat and are located on the outside of the housing of the linear electric cylinder.

4. The automatic brake pedal actuator as described in claim 1, characterized in that: The sensor component includes a mounting component and a pressure sensor. The mounting component is installed on the output end of the linear electric cylinder; the pressure sensor is installed on the mounting component.

5. The automatic brake pedal actuator as described in claim 4, characterized in that... : The mounting component is a connecting flange.

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