Automobile pedal durability test mechanism
By designing a vehicle pedal durability testing mechanism that includes an electro-hydraulic rod, a test wheel and a pressure sensor, the problem of insufficient singularity and practicality in the simulation of variable usage scenarios is solved, and more efficient and accurate detection results are achieved.
Patent Information
- Application Number
- CN202421161939.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-27
- Publication Date
- 2025-05-16
- Estimated Expiration
- 2034-05-27
AI Technical Summary
The existing automotive pedal durability test devices are relatively single when simulating different usage scenarios, and cannot effectively simulate the varied situations in the vehicle usage environment, resulting in poor practicality of the detection results.
A car pedal durability test mechanism is designed, including a test box and a brake assembly. The test box is equipped with an electric hydraulic rod, a test wheel and a pressure sensor. By simulating rainwater and sole friction in rainy environments, the through holes and bumps on the test wheel increase friction, achieving multi-angle and multi-scene testing.
The device can more effectively simulate various usage scenarios, improve the effectiveness and accuracy of detection, ensure that the driver can use products safer and improve the reliability of detection.
Smart Images

Figure CN222882276U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of automobile testing, and in particular relates to an automobile pedal durability testing mechanism. Background Art
[0002] With the rapid development of the automobile industry, the speed of vehicles is getting higher and higher, and the road conditions are becoming more and more complicated, resulting in the complexity of operation. The pedal control system plays a key role in driving.
[0003] Publication (Announcement) No.: CN210603937U. The utility model relates to the field of new energy vehicles, and specifically discloses a durability test device for new energy vehicles, including a test bench, a base, a first fixed plate, a second fixed plate and a pressure cylinder; a vertically parallel first fixed plate and a second fixed plate are fixedly welded on the left and right ends of the test bench; a horizontal pressure cylinder is fixedly installed on the right side of the second fixed plate, the output end of the pressure cylinder passes through the second fixed plate, and a vertical driving plate is fixedly connected to the end, and a vertical pressure push plate is arranged on the left side of the driving plate; an adjustment groove is provided on the left side of the pressure push plate, and an inclined plate that can swing in the left and right directions is arranged in the adjustment groove. The utility model performs a durability test on the brake pedal by moving the set pressure push plate left and right, and at the same time, the adjustment plate on the pressure push plate can change the angle of the inclined plate and the contact angle with the brake pedal, so as to conduct experiments at multiple angles and meet the use conditions of multiple situations.
[0004] After analysis, it is found that when testing the pedal, this solution only simulates different pressures on the pedal to test its durability. However, in actual use, due to the changing environment in which the vehicle is used, there are often various types of objects on the driver's pedal, including moisture in rainy weather. Therefore, this detection method is relatively simple and less practical. In view of the above problems, the solution needs to be optimized and improved. Utility Model Content
[0005] In order to solve the problems existing in the background technology, the utility model provides a vehicle pedal durability testing mechanism; it is capable of simulating tests of more usage scenarios, and the effectiveness of the test is better.
[0006] The utility model provides a vehicle pedal durability testing mechanism, comprising a test box and a brake assembly, wherein the brake assembly is located in the test box, the brake assembly is provided with a brake pedal, and the test box is provided with a pedal durability testing assembly corresponding to the brake pedal; the pedal durability testing assembly comprises an electric hydraulic rod located on the inner wall of the test box, a connecting block is provided on the movable end of the electric hydraulic rod, a control wheel is provided on the connecting block, an L-shaped test rod is hingedly provided on the inner bottom surface of the test box, a spring is provided on the L-shaped test rod, the other end of the spring is fixedly connected to the inner bottom surface of the test box, a pressure switch is provided on the L-shaped test rod, the pressure switch and the control wheel are in contact with each other, a motor is provided on the L-shaped control rod, the pressure switch is electrically connected to the motor, a polygonal rod is provided on the output end of the motor, a test wheel is plugged on the polygonal rod, a liquid storage tank is provided in the test wheel, a screw is provided on one end of the polygonal rod extending out of the test wheel, a positioning hole is provided on the screw, and a fixing block is threadedly connected on the screw.
[0007] Furthermore, the test wheel is provided with a plurality of through holes and protrusions, one side of the test wheel is provided with an opening, the through holes and the opening are interconnected with the liquid storage bin, and a sealing cover is threadedly connected at the opening.
[0008] Furthermore, a balancing block is provided on the test wheel corresponding to the opening.
[0009] Furthermore, a support rod is provided on the inner wall of the test box corresponding to the electric hydraulic rod, and the support rod is fixedly connected to the electric hydraulic rod.
[0010] Furthermore, a protective plate is hingedly provided on the L-shaped control rod, a positioning rod is provided on the protective plate, the positioning rod and the positioning hole are fitted with each other, and a magnetic plate is provided on the L-shaped control rod, and the magnetic plate is magnetically connected to the protective plate.
[0011] Furthermore, a door panel is symmetrically hinged at the opening of the test box, and an observation window and a handle are provided on the door panel.
[0012] Furthermore, a laser rangefinder is provided on the top surface of the test box corresponding to the brake pedal.
[0013] Furthermore, a pressure sensor is provided on the bottom surface of the test box corresponding to the brake pedal, and a collection box is provided on the pressure sensor.
[0014] Beneficial effects of the utility model:
[0015] The utility model has the ability to simulate testing in good weather and other common weather conditions, and can perform testing in an overall corresponding actual environment, so the reliability of the test data obtained is higher; during the testing, more accurate testing can be performed through testing in multiple dimensions, ensuring that the driver is provided with a safer product and better protecting the safety of the passengers; the overall testing adjustment method is relatively convenient and has certain promotion value. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 The utility model is a right front top view of an automobile pedal durability testing mechanism.
[0017] Figure 2 The utility model is a left front top view of an automobile pedal durability testing mechanism.
[0018] Figure 3 The utility model is a rear perspective diagram of a vehicle pedal durability testing mechanism.
[0019] Figure 4 It is a schematic diagram of a collection box of an automobile pedal durability testing mechanism after being taken out of the utility model.
[0020] Figure 5 It is a schematic diagram of region A of a vehicle pedal durability testing mechanism of the utility model.
[0021] Figure 6 The utility model is a rear view of a test wheel of an automobile pedal durability testing mechanism.
[0022] Figure 7 The utility model is an exploded view of a test wheel of an automobile pedal durability testing mechanism.
[0023] As shown in the figure:
[0024] 1. Test box, 2. Brake assembly, 3. Brake pedal, 4. Electric hydraulic rod, 5. Connecting block, 6. Control wheel, 7. L-shaped test rod, 8. Spring, 9. Pressure switch, 10. Motor, 11. Polygonal rod, 12. Test wheel, 13. Screw, 14. Positioning hole, 15. Fixing block, 16. Through hole, 17. Bump, 18. Opening, 19. Sealing cover, 20. Balance block, 21. Support rod, 22. Protective plate, 23. Positioning rod, 24. Magnetic plate, 25. Door panel, 26. Observation window, 27. Handle, 28. Laser rangefinder, 29. Pressure sensor, 30. Collection box. DETAILED DESCRIPTION
[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0026] In the description of the utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" 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 it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the utility model can be understood according to specific circumstances.
[0027] Please see all instructions drawings:
[0028] A vehicle pedal durability testing mechanism comprises a test box 1 and a brake assembly 2, wherein the brake assembly 2 is located in the test box 1, a brake pedal 3 is arranged on the brake assembly 2, and the test box 1 is provided with a pedal durability testing component corresponding to the brake pedal 3;
[0029] The pedal durability cloth test assembly includes an electric hydraulic rod 4 located on the inner wall of the test box 1, a connecting block 5 is provided on the movable end of the electric hydraulic rod 4, a control wheel 6 is provided on the connecting block 5, an L-shaped test rod 7 is hingedly provided on the inner bottom surface of the test box 1, a spring 8 is provided on the L-shaped test rod 7, and the other end of the spring 8 is fixedly connected to the inner bottom surface of the test box 1, and the spring 8 can reset the L-shaped test rod 7 after the test is completed; a pressure switch 9 is provided on the L-shaped test rod 7, and the pressure switch 9 is in contact with the control wheel 6. There is a motor 10, the pressure switch 9 is electrically connected to the motor 10, a polygonal rod 11 is provided on the output end of the motor 10, and the polygonal rod 11 is rotatably connected to the L-shaped test rod 7; a test wheel 12 is plugged on the polygonal rod 11, and a liquid storage tank is provided in the test wheel 12, and the liquid storage tank can store water of controlled quantity and temperature to simulate the driving environment outside; a screw 13 is provided at one end of the polygonal rod 11 extending from the test wheel 12, a positioning hole 14 is provided on the screw 13, and a fixing block 15 is threadedly connected on the screw 13;
[0030] According to the above description, when testing is required, the electric hydraulic rod 4 is controlled to work so that the control wheel 6 contacts the pressure switch 9 on the L-shaped test rod 7. The pressure switch 9 senses the corresponding pressure and controls the motor 10 to work. The motor 10 drives the test wheel 12 to rotate. Under the continuous push of the electric hydraulic rod 4, the test wheel 12 rubs and presses the brake pedal 3, thereby detecting various corresponding performances of the brake pedal 3.
[0031] As a technical optimization solution of the utility model, a plurality of through holes 16 and convex points 17 are provided on the test wheel 12, an opening 18 is provided on one side of the test wheel 12, the through holes 16 and the opening 17 are interconnected with the liquid storage tank, and a sealing cover 19 is threadedly connected at the opening 18;
[0032] According to the above description, before the test, the corresponding solution can be injected into the liquid storage tank through the opening 18 and sealed by the sealing cover 19. During centrifugal rotation, the solution can be thrown out through the through hole 16 to simulate the effect of the sole with rain on the brake pedal 3 on rainy days. The protrusion 17 can increase the corresponding friction force, accelerate the occurrence of the test phenomenon, and improve the test efficiency.
[0033] As a technical optimization solution of the utility model, a balancing block 20 is provided on the test wheel 12 corresponding to the opening 18;
[0034] It can be known from the above description that the balancing weight 20 can ensure that the center of gravity of the test wheel 12 is not off and the rotation is more stable.
[0035] As a technical optimization solution of the utility model, a support rod 21 is provided on the inner wall of the test box 1 corresponding to the electric hydraulic rod 4, and the support rod 21 is fixedly connected to the electric hydraulic rod 4;
[0036] It can be seen from the above description that the support rod 21 can improve the stability of the use of the electric hydraulic rod 4 and increase the overall service life.
[0037] As a technical optimization solution of the utility model, a protective plate 22 is hingedly provided on the L-shaped control rod 7, a positioning rod 23 is provided on the protective plate 22, the positioning rod 23 and the positioning hole 14 fit each other, and a magnetic plate 24 is provided on the L-shaped control rod 7, and the magnetic plate 24 is magnetically connected to the protective plate 22;
[0038] According to the above description, when the protective plate 22 is opened, the protective plate 22 can be fixed by the magnetic plate 24, and the control of the test wheel 12 can be more convenient. The mutual restriction of the positioning rod 23 and the positioning hole 14 can further provide stability when the test wheel 12 rotates.
[0039] As a technical optimization solution of the utility model, a door panel 25 is symmetrically hinged at the opening of the test box 1, and an observation window 26 and a handle 27 are provided on the door panel 25;
[0040] It can be seen from the above description that the observation window 26 and the handle 27 provide more convenient operating conditions for the test.
[0041] As a technical optimization solution of the utility model, a laser rangefinder 28 is provided on the top surface of the test box 1 corresponding to the brake pedal 3;
[0042] It can be seen from the above description that the surface of the brake pedal 3 can be measured more accurately by using the laser rangefinder 28 .
[0043] As a technical optimization solution of the utility model, a pressure sensor 29 is provided on the inner bottom surface of the test box 1 corresponding to the brake pedal 3, and a collection box 30 is provided on the pressure sensor 29;
[0044] According to the above description, more accurate test results can be obtained by weighing the material ground from the brake pedal 3 in combination with a variety of measurement methods.
[0045] Working principle:
[0046] Before the test, the corresponding solution can be injected into the liquid storage tank through the opening 18, and then sealed by the sealing cover 19, and then the fixing block 15 is controlled to fix the test wheel 12, and the electric hydraulic rod 4 is controlled to work so that the control wheel 12 contacts the pressure switch 9 on the L-shaped test rod 7. The pressure switch 9 senses the corresponding pressure and controls the motor 10 to work. The motor 10 drives the test wheel 12 to rotate. During centrifugal rotation, the solution can be thrown out through the through hole 16 to simulate the influence of the sole with rain on the brake pedal 3 on rainy days. The convex point 17 can increase the corresponding friction force, accelerate the occurrence of the test phenomenon, and improve the test efficiency. Under the continuous push of the electric hydraulic rod 4, the test wheel 12 rubs and presses the brake pedal 3, so as to detect various corresponding performances of the brake pedal 3.
[0047] The above describes the utility model and its implementation methods, which are not restrictive. The specific implementation method is only one of the implementation methods of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it, without departing from the purpose of the invention of the utility model, they can design a structure and embodiment similar to the technical solution without creativity, which should belong to the protection scope of the utility model.
Claims
1. An automobile pedal durability testing mechanism, comprising a test box and a brake assembly, wherein the brake assembly is located in the test box and a brake pedal is provided on the brake assembly, characterized in that: The test box is provided with a pedal durability test assembly corresponding to the brake pedal; the pedal durability test assembly includes an electric hydraulic rod located on the inner wall of the test box, a connecting block is provided on the movable end of the electric hydraulic rod, a control wheel is provided on the connecting block, an L-shaped test rod is hingedly provided on the inner bottom surface of the test box, a spring is provided on the L-shaped test rod, the other end of the spring is fixedly connected to the inner bottom surface of the test box, a pressure switch is provided on the L-shaped test rod, the pressure switch and the control wheel are in contact with each other, a motor is provided on the L-shaped control rod, the pressure switch is electrically connected to the motor, a polygonal rod is provided on the output end of the motor, a test wheel is inserted on the polygonal rod, a liquid storage tank is provided in the test wheel, a screw is provided on the end of the polygonal rod extending out of the test wheel, a positioning hole is provided on the screw, and a fixing block is threadedly connected to the screw.
2. The automobile pedal durability testing mechanism according to claim 1, characterized in that: The test wheel is provided with a plurality of through holes and convex points, one side of the test wheel is provided with an opening, the through holes and the opening are interconnected with the liquid storage bin, and a sealing cover is threadedly connected at the opening.
3. The automobile pedal durability testing mechanism according to claim 2, characterized in that: A balancing block is arranged on the testing wheel corresponding to the opening.
4. The automobile pedal durability testing mechanism according to claim 1, characterized in that: A support rod is provided on the inner wall of the test box corresponding to the electric hydraulic rod, and the support rod is fixedly connected to the electric hydraulic rod.
5. The automobile pedal durability testing mechanism according to claim 1, characterized in that: A protective plate is hingedly provided on the L-shaped control rod, a positioning rod is provided on the protective plate, the positioning rod and the positioning hole are matched with each other, and a magnetic plate is provided on the L-shaped control rod, and the magnetic plate is magnetically connected to the protective plate.
6. The automobile pedal durability testing mechanism according to claim 1, characterized in that: The opening of the test box is symmetrically hinged with a door panel, and the door panel is provided with an observation window and a handle.
7. The automobile pedal durability testing mechanism according to claim 1, characterized in that: A laser rangefinder is arranged on the top surface of the test box corresponding to the brake pedal.
8. The automobile pedal durability testing mechanism according to claim 1, characterized in that: A pressure sensor is provided on the bottom surface of the test box corresponding to the brake pedal, and a collection box is provided on the pressure sensor.
Citation Information
Patent Citations
Durability testing device for new energy automobile
CN210603937U