Automobile brake pedal pressure test assembly

Abstract

The utility model discloses an automobile brake pedal pressure testing assembly, which relates to the technical field of automobile part testing and comprises a fixing module used for being installed on a brake pedal and a sensor installed in the fixing module. The main installation plate is used for being installed on the upper surface of a brake pedal, and the upper surface of the main installation plate is provided with a concave area for containing a sensor. A floating pedal is installed at the position, located above the sensor, of the main installation plate, and the floating pedal has a first state in which pressure is not transmitted to the sensor when the floating pedal is not trampled and a second state in which pressure is transmitted to the sensor after the floating pedal is trampled. The utility model has the advantages of convenient installation and strong applicability.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile parts testing, in particular to an automobile brake pedal pressure testing assembly. Background Art

[0002] The braking system is one of the most important safety systems of a vehicle. Verifying the functions and performance of the EHB system can ensure that it can work reliably under various driving conditions and avoid accidents caused by brake failure. To ensure the braking performance of the vehicle, GB12676-2014 stipulates the technical requirements and experimental methods for the vehicle braking system. There are many performance indicators for testing and evaluating the braking system, including braking force, response time, etc. In order to accurately test the above content, a device is needed to collect information such as the precise time and force when the driver presses the brake pedal, and then evaluate the performance of the vehicle braking system. Utility Model Content

[0003] The utility model provides an automobile brake pedal pressure testing component which is compact, easy to install, highly applicable, and does not affect the driver's operation of the vehicle.

[0004] The technical solution adopted by the present invention is: an automobile brake pedal pressure test assembly, which includes a fixing module for installation on the brake pedal and a sensor installed in the fixing module, the fixing module including:

[0005] A main mounting plate, which is used to be mounted on the upper surface of the brake pedal and has a recessed area on the upper surface of the main mounting plate for accommodating the sensor;

[0006] A floating pedal is mounted on the main mounting plate at a position above the sensor. The floating pedal has a first state in which no pressure is transmitted to the sensor when not depressed, and a second state in which pressure is transmitted to the sensor after being depressed.

[0007] The lower surface of the floating pedal is provided with a protruding contact point that contacts and cooperates with the sensor.

[0008] The fixing module also includes a limiting flange installed on the upper surface of the main mounting plate, and the floating pedal is arranged between the main mounting plate and the limiting flange; the main mounting plate is equipped with a plurality of elastic parts at the peripheral position of the recessed area that elastically abut the floating pedal, and when the floating pedal is in a first state, it abuts against the limiting flange under the action of the elastic preload of the elastic part, and when the floating pedal is in a second state, it overcomes the elastic preload and separates from the limiting flange.

[0009] A tail fixing base plate is installed at one end below the main mounting plate. There is a gap between the tail fixing base plate and the main mounting plate for clamping one end of the brake pedal. The other end of the main mounting plate is provided with a hook claw for fixing the other end of the brake pedal.

[0010] The main mounting plate and the tail fixing base plate are respectively provided with a plurality of waist-shaped holes and fasteners connecting the main mounting plate and the tail fixing base plate via the waist-shaped holes.

[0011] The sensor is provided with a connecting wire harness, and the limiting flange and the periphery of the recessed area are provided with corresponding notches, and the notches cooperate to form a wire harness hole for accommodating the connecting wire harness.

[0012] The top of the limiting flange is provided with a limiting step extending toward the center of the circle, the outer circumference of the floating pedal is provided with a limiting ring corresponding to the limiting step, and the top of the elastic member is in contact with the lower surface of the floating pedal.

[0013] A plurality of positioning pins are provided on the circumferential inner wall surface of the limiting flange, and a positioning groove corresponding to the positioning pins is provided on the circumference of the floating pedal.

[0014] The main mounting plate and the limiting flange are threadedly matched.

[0015] The protruding contact points are evenly distributed in a circumferential array on the lower surface of the floating pedal.

[0016] The beneficial effects of the present invention are as follows: the technical solution installs the main mounting plate on the brake pedal of the car. If the driver does not step on the brake pedal, the elastic part presses against the floating pedal, and the protruding contact of the floating pedal contacts the sensor but the pressure is not transmitted; if the driver steps on the brake pedal, the working surface of the floating pedal exposed outside the limit flange is first subjected to pressure. When the pressure is greater than the pre-tightening force of the elastic part, the elastic part is compressed, and the pressure is transmitted to the sensor through the contact under the floating pedal. The sensor collects data, and at the same time, the pressure is transmitted to the brake pedal through the sensor and the main mounting plate. It has the advantages of small size, strong applicability, and will not affect the driver's operation of the vehicle. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a structural schematic diagram of an automobile brake pedal pressure testing assembly according to an embodiment of the present utility model.

[0018] Figure 2 This is a schematic diagram of the disassembled structure of the automobile brake pedal pressure test assembly.

[0019] Figure 3 This is a cross-sectional view of the automobile brake pedal pressure test assembly in the first state. DETAILED DESCRIPTION

[0020] The following is a further description of the embodiments of the present invention in conjunction with the accompanying drawings:

[0021] As shown in the figure, the automobile brake pedal pressure test assembly includes a fixing module for installation on the brake pedal and a sensor 5 installed in the fixing module. The fixing module includes:

[0022] A main mounting plate 1 is used to be mounted on the upper surface of the brake pedal and has a recessed area 12 on the upper surface of the main mounting plate 1 for accommodating the sensor 5;

[0023] A floating pedal 3 is mounted on the main mounting plate 1 above the sensor 5. The floating pedal 3 has a first state in which no pressure is transmitted to the sensor 5 when not pressed, and a second state in which pressure is transmitted to the sensor 5 when pressed.

[0024] This technical solution cleverly utilizes the coordination between the floating pedal, sensor, and brake pedal to perform brake pedal pressure testing while supporting the driver's regular braking operations. In its first state, the floating pedal transmits no pressure to sensor 5, preventing false triggering or unnecessary pressure signal transmission and ensuring measurement accuracy. If the driver depresses the brake pedal, pressure is transmitted to the sensor via the floating pedal. The sensor then collects data, such as the precise time and force at which the driver depresses the brake pedal. Simultaneously, pressure is transmitted to the brake pedal via the sensor and main mounting plate, supporting the driver's regular operation.

[0025] This technical solution has the advantages of being small in size, highly applicable, and not affecting the driver's operation of the vehicle. Specifically, the design can be implemented with a compact structure, integrating components such as the sensor, floating pedal, and brake pedal into a small fixed module. This design not only saves space, but also makes the entire test assembly lighter and easier to install and disassemble. The floating pedal is designed so that when it is not pressed, it maintains pressure-free transmission with the sensor and does not cause any additional resistance or discomfort to the driver. At the same time, when the driver steps on the brake pedal, the floating pedal can smoothly transmit pressure to the sensor without causing any interference with the driver's braking operation. This design ensures that the driver can operate the vehicle freely as usual without being affected by the test assembly.

[0026] It is also understood that the size of the main mounting plate can be changed, or specific types of sensors can be selected to accommodate more vehicle requirements and other testing requirements; sensors include, for example, pressure sensors, strain gauge sensors, etc.

[0027] The lower surface of the floating pedal 3 is provided with a protruding contact 31 that contacts and cooperates with the sensor 5; in the first state, the protruding contact 31 contacts the sensor 5 but does not transmit pressure, and in the second state, the protruding contact 31 applies pressure to the sensor 5; the design of the protruding contact 31 makes the pressure transmission more direct and efficient, reduces the interference and error of the intermediate links, and also reduces the number of parts, thereby reducing the manufacturing cost and maintenance difficulty; wherein, in the first state (when not pressed), the protruding contact 31 contacts the sensor 5 but does not transmit pressure, ensuring the zero position of the measurement.

[0028] In particular, since the contacts are always in contact with the sensor, inaccurate measurements due to gap changes or misalignment are avoided, thereby improving the stability and reliability of the entire system; at the same time, this contact design also ensures that when a braking operation occurs, the pressure can be quickly and accurately transmitted to the sensor 5, achieving instant feedback. In addition, it is feasible that the protruding contacts are evenly distributed in a circular array on the lower surface of the floating pedal 3, so that the sensor is more evenly stressed and the results are more accurate; the protruding contacts are, for example, constructed as a cylinder.

[0029] The fixing module also includes a limiting flange 4 installed on the upper surface of the main mounting plate 1, and the floating pedal 3 is arranged between the main mounting plate 1 and the limiting flange 4; the main mounting plate 1 is equipped with a plurality of elastic parts 11 at the peripheral position of the recessed area 12, which elastically abut the floating pedal 3. When the floating pedal 3 is in the first state, it abuts against the limiting flange 4 under the action of the elastic preload of the elastic part. When the floating pedal 3 is in the second state, it overcomes the elastic preload and separates from the limiting flange 4.

[0030] This technical solution installs the main mounting plate on the brake pedal of the car. If the driver does not step on the brake pedal, the elastic part presses against the floating pedal, and the protruding contact of the floating pedal contacts the sensor but the pressure is not transmitted; if the driver steps on the brake pedal, the working surface of the floating pedal exposed outside the limit flange is first subjected to pressure. When the pressure is greater than the pre-tightening force of the elastic part, the elastic part is compressed, and the pressure is transmitted to the sensor through the contact under the floating pedal. The sensor collects data, and at the same time, the pressure is transmitted to the brake pedal through the sensor and the main mounting plate. It has the advantages of small size, strong applicability, and will not affect the driver's operation of the vehicle.

[0031] This technical solution provides a stable upper limit position for the floating pedal 3 through the setting of the limit flange 4 and the elastic member 11; in the first state, the floating pedal 3 abuts against the limit flange 4 under the action of the preload force of the elastic member, which ensures the position stability of the floating pedal when it is not stepped on, and prevents displacement caused by vibration or other external factors; through the preload force of the elastic member 11, the floating pedal 3 can be accurately positioned between the main mounting plate 1 and the limit flange 4, and this precise positioning helps to ensure the accuracy of the sensor measurement.

[0032] The top of the limiting flange 4 is provided with a limiting step 42 extending toward the center of the circle, and the outer circumference of the floating pedal 3 is provided with a limiting ring 34 corresponding to the limiting step 42. The top of the elastic member 11 is in contact with the lower surface of the floating pedal 3. This technical solution provides a specific limiting form between the limiting flange and the floating pedal. By the limiting step 42 of the limiting flange 4 corresponds to the limiting ring 34 of the floating pedal 3, this design ensures that the floating pedal is in the vertical direction (with the Figure 3 when the floating pedal is not pressed, the limiting ring 34 fits tightly against the limiting step 42, preventing unnecessary displacement of the floating pedal due to external forces. This not only improves the stability of the floating pedal in the installation position, but also enhances the overall structural rigidity of the entire braking system, helping to reduce performance fluctuations caused by vibration or impact.

[0033] The circumferential inner wall of the limiting flange 4 is provided with a plurality of positioning pins 41 , and the circumference of the floating pedal 3 is provided with positioning grooves 35 corresponding to the positioning pins; the positioning pins and the positioning grooves are positioned together to prevent the floating pedal from circumferential movement.

[0034] The limiting step corresponds to the limiting ring up and down. When the floating pedal is in the first state, the floating pedal always maintains the state of conflict between the limiting ring and the limiting step under the action of the elastic preload of the elastic part; when the floating is in the second state, the floating pedal overcomes the elastic preload of the elastic part and moves downward, and the cooperation of the positioning pin and the positioning groove provides a movement guide for the floating pedal.

[0035] Among them, the main mounting plate is pre-set with threaded holes, and the limit flange is fixed above the recessed area of the main mounting plate through bolts and the threaded holes on the main mounting plate; the threaded holes and bolts can also be evenly distributed in a circular array to improve the comprehensiveness and stability of the fixed connection.

[0036] A tail fixing base plate 2 is installed at one end below the main mounting plate 1. There is a gap between the tail fixing base plate 2 and the main mounting plate 1 for clamping one end of the brake pedal (for example, the rear end of the brake pedal). The other end of the main mounting plate 1 is provided with a hook 13 for fixing the other end of the brake pedal (for example, the front end of the brake pedal).

[0037] The spacing between the rear mounting plate 2 and the main mounting plate 1 provides a secure clamping area for one end of the brake pedal. This clamping design helps prevent unwanted movement or shaking of the brake pedal during operation, thereby enhancing the structural stability of the entire brake pedal assembly. This spacing is adjustable to accommodate various brake pedals. Combined with the hook 13 at the other end of the main mounting plate 1, the brake pedal is secured at multiple points, forming a stable support structure. This multi-point fixing method not only improves the brake pedal's installation strength but also ensures its reliability during long-term use. Furthermore, the brake pedal installation process is simplified and intuitive.

[0038] The main mounting plate 1 and the tail fixed base plate 2 are respectively provided with a number of waist-shaped holes 7 and fasteners 6 connecting the main mounting plate 1 and the tail fixed base plate 2 via the waist-shaped holes 7; it should be understood that the waist-shaped hole 7 has a long strip with arcs at both ends and a rectangular hole in the middle; the hook at one end of the main mounting plate 1 is tightly attached to one end of the brake pedal, and the main mounting plate, the tail fixed base plate and the fastener cooperate to clamp the other end of the brake pedal. The fixing module can adjust the position of the tail fixed base plate 2 according to the different sizes of brake pedals, and then change its own installation thickness and size, and can be adapted to the assembly of brake pedals of any model of automobiles. The fasteners can be bolts and nuts; this design can achieve quick disassembly and assembly, saving time and labor costs, and cumbersome assembly process.

[0039] The sensor 5 is provided with a connecting wire harness 51. The limiting flange 4 and the periphery of the recessed area 12 are provided with corresponding notches, which cooperate to form a wire harness hole 8 for accommodating the connecting wire harness 51. The connecting wire harness of the sensor is connected to an external device (such as a data analysis device) through the wire harness hole. This design allows the connecting wire harness 51 to pass through in an orderly manner rather than being randomly exposed to the external environment, which contributes to the simplicity and orderliness of the overall layout and avoids the friction and extrusion that may occur with a disordered and disordered wire harness, thereby reducing the risk of wire harness breakage or performance degradation due to physical damage. This protective mechanism helps to improve the durability of the wire harness and extend the service life of the entire system.

[0040] In addition, the design of the wiring harness hole 8 makes the installation process of the connecting harness 51 simpler and faster. The installer only needs to pass the wiring harness through the reserved hole without the need for additional complicated wiring operations. At the same time, in the subsequent maintenance process, if the connecting harness 51 needs to be replaced or repaired, it can also be easily completed through the reserved hole, which greatly reduces the difficulty and cost of maintenance. Finally, neat wiring also helps to maintain the stability of signal transmission and reduce signal attenuation problems caused by disorganized wiring harnesses.

[0041] The elastic member 11 adopts a spring plunger, which presses against the floating pedal to avoid the influence of factors such as accidental touch and vehicle shaking on data collection; the spring plunger itself is an existing technology, and its working principle can refer to a spring plunger disclosed in publication number CN220687784U, which will not be elaborated here.

[0042] As mentioned, the part of the stepped surface of the floating pedal that protrudes from the limit flange is its working surface, and an anti-slip pad can be affixed to it, which enhances the friction coefficient of the floating pedal and effectively prevents the driver from braking errors caused by a slippery surface, thereby improving driving safety; the anti-slip pad not only has an anti-slip function, but also can play a buffering role to a certain extent, reducing the impact force of the pedal on the foot, and absorbing the noise generated when stepping on it, thereby improving the comfort of long-term driving; in addition, the anti-slip pad acts as an isolation layer between the floating pedal and the driver, which can effectively reduce the wear and scratches on the pedal surface, thereby extending the service life of the pedal.

[0043] In the description of the present invention, it should be noted that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "back," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating positions or location relationships, are based on the positions or location relationships shown in the accompanying drawings and are intended solely to facilitate the description of the present invention and simplify the description. They do not indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0044] In the description of the present invention, it should be noted that, unless otherwise clearly specified or limited, the terms "installed", "connected", and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be internal communication between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances. In addition, in the description of the present invention, unless otherwise specified, "plurality" means two or more.

[0045] Technical personnel please note: Although the utility model has been described according to the above specific implementation methods, the utility model concept of the utility model is not limited to this utility model. Any modification using the utility model concept will be included in the scope of protection of this patent.

Claims

1. Automobile brake pedal pressure test assembly, characterized by: It comprises a fixing module for mounting on a brake pedal and a sensor (5) mounted in the fixing module, wherein the fixing module comprises: A main mounting plate (1) is used for mounting on the upper surface of the brake pedal, and the upper surface of the main mounting plate (1) is provided with a recessed area (12) for accommodating the sensor (5); The main mounting plate (1) is provided with a floating pedal (3) at a position above the sensor (5). The floating pedal (3) has a first state in which no pressure is transmitted to the sensor (5) when not pressed, and a second state in which pressure is transmitted to the sensor (5) after being pressed.

2. The automobile brake pedal pressure testing assembly according to claim 1, characterized in that: The lower surface of the floating pedal (3) is provided with a protruding contact point (31) that contacts and cooperates with the sensor (5).

3. The automobile brake pedal pressure testing assembly according to claim 2, characterized in that: The fixing module further comprises a limiting flange (4) mounted on the upper surface of the main mounting plate (1), and the floating pedal (3) is arranged between the main mounting plate (1) and the limiting flange (4); the main mounting plate (1) is provided with a plurality of elastic members (11) at the peripheral position of the recessed area (12) thereof, which elastically abut against the floating pedal (3); when the floating pedal (3) is in a first state, it abuts against the limiting flange (4) under the action of the elastic preload of the elastic member; when the floating pedal (3) is in a second state, it overcomes the elastic preload and separates from the limiting flange (4).

4. The automobile brake pedal pressure testing assembly according to claim 1, characterized in that: A tail fixing base plate (2) is installed at one end below the main mounting plate (1), and a gap exists between the tail fixing base plate (2) and the main mounting plate (1) for clamping one end of the brake pedal. The other end of the main mounting plate (1) is provided with a hook (13) for fixing the other end of the brake pedal.

5. The automobile brake pedal pressure testing assembly according to claim 4, characterized in that: The main mounting plate (1) and the tail fixed base plate (2) are respectively provided with a plurality of waist-shaped holes (7) and fasteners (6) connecting the main mounting plate (1) and the tail fixed base plate (2) via the waist-shaped holes (7).

6. The automobile brake pedal pressure testing assembly according to claim 3, characterized in that: The sensor (5) is provided with a connecting wire harness (51), and the limiting flange (4) and the periphery of the recessed area (12) are provided with corresponding notches, and the notches cooperate to form a wire harness hole (8) for accommodating the connecting wire harness (51).

7. The automobile brake pedal pressure testing assembly according to claim 3, characterized in that: The top of the limiting flange (4) is provided with a limiting step (42) extending toward the center of the circle, the outer circumference of the floating pedal (3) is provided with a limiting ring (34) corresponding to the limiting step (42), and the top of the elastic member (11) is in contact with the lower surface of the floating pedal (3).

8. The automobile brake pedal pressure testing assembly according to claim 7, characterized in that: The circumferential inner wall surface of the limiting flange (4) is provided with a plurality of positioning pins (41), and the circumference of the floating pedal (3) is provided with positioning grooves (35) corresponding to the positioning pins (41).

9. The automobile brake pedal pressure testing assembly according to claim 3, characterized in that: The main mounting plate (1) and the limiting flange (4) are threadedly matched.

10. The automobile brake pedal pressure testing assembly according to claim 2, characterized in that: The protruding contact points (31) are evenly distributed in a circumferential array on the lower surface of the floating pedal (3).

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