Anti-jamming automotive brake pedal transmission structure

Abstract

This utility model discloses an anti-jamming transmission structure for a car brake pedal, including a mounting plate. Multiple triangular plates are fixedly connected to the surface of the mounting plate, and the inner walls of these triangular plates are rotatably mounted on the same rotating shaft. A connecting rod is fixedly connected to the surface of the rotating shaft, and a foot pedal is fixedly connected to one end of the connecting rod. An anti-jamming reset mechanism is provided on the inner wall of each triangular plate. This utility model uses the connecting rod to drive the rotating shaft to rotate, causing the torsion spring to tighten from its relaxed state. Simultaneously, the second reset spring is compressed, becoming shorter and thus tightened. Under the guidance of the second and first guide grooves, the convex shaft drives the moving plate to slide within the guide hole, pushing the force-bearing rod and causing one end of the vacuum booster to move. When the operator releases the foot pedal, the torsion spring and the second reset spring drive the connecting rod to reset, preventing jamming.

Description

Technical Field

[0001] This utility model relates to the field of automotive parts technology, and in particular to a transmission structure for preventing jamming in automotive brake pedals. Background Technology

[0002] The brake pedal (also known as the brake pedal) is a core component in car driving used to control the deceleration or stopping of a vehicle, and belongs to the operating device of the service brake. Its core function is to trigger the braking system by pressing the pedal, converting kinetic energy into frictional heat energy, thereby achieving vehicle deceleration or stopping.

[0003] When braking a car, you need to press the brake pedal. After long-term use, the existing brake pedal will have obvious sticking, resulting in insufficient rebound force of the brake pedal. Long-term use can easily trigger safety hazards. In order to prevent the sticking of the car brake pedal, a new type of car brake pedal transmission structure is needed. Utility Model Content

[0004] The purpose of this utility model is to solve the problem that existing brake pedals exhibit significant sticking after prolonged use, resulting in insufficient brake pedal rebound force and potential safety hazards over long-term use. The proposed invention is an anti-sticking automotive brake pedal transmission structure.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: An anti-jamming automotive brake pedal transmission structure includes a mounting plate, on the surface of which multiple triangular plates are fixedly connected. The inner walls of the multiple triangular plates are rotatably mounted on the same rotating shaft. A connecting rod is fixedly connected to the surface of the rotating shaft, and a foot pedal is fixedly connected to one end of the connecting rod. An anti-jamming reset mechanism is provided on the inner wall of the triangular plates. The anti-jamming reset mechanism includes a torsion spring fixedly connected to the inner wall of the triangular plate, an L-shaped rod fixedly connected to the surface of the torsion spring, an L-shaped hole opened on the surface of the connecting rod, the surface of the L-shaped rod being fixedly connected to the inner wall of the L-shaped hole, a protective box fixedly connected to the surface of the mounting plate, and one end of the rotating shaft extending into the interior of the protective box and fixedly connected to a first bevel gear.

[0006] Preferably, a protective cylinder is fixedly connected to the surface of the protective box, and a guide hole is opened on the surface of the protective cylinder. A moving plate is slidably connected to the inner wall of the guide hole.

[0007] Furthermore, the inner wall of the protective box is rotatably connected to a rotating shaft, and the surface of the rotating shaft is provided with a first guide groove and a second guide groove. The first guide groove and the second guide groove are connected in communication. One end of the rotating shaft is fixedly connected to a second bevel gear, and the first bevel gear meshes with the second bevel gear.

[0008] Preferably, a convex shaft is fixedly connected to the surface of the motion plate, one end of the convex shaft extends into the interior of the second guide groove, a support frame is provided on one side of the mounting plate, a vacuum booster is fixedly connected to the inner wall of the support frame, a force-bearing rod is fixedly connected to one end of the vacuum booster, one end of the motion plate is fixedly connected to the surface of the force-bearing rod, and a hydraulic cylinder is fixedly installed on the surface of the vacuum booster.

[0009] Furthermore, a first U-shaped plate is fixedly connected to the surface of the connecting rod, a second U-shaped plate is fixedly connected to the surface of the mounting plate, an arc-shaped rod is rotatably connected to the surface of the first U-shaped plate, an arc-shaped sleeve is rotatably connected to the surface of the second U-shaped plate, and the surface of the arc-shaped rod is slidably connected to the inner wall of the arc-shaped sleeve.

[0010] Preferably, a second return spring is fixedly connected to the inner wall of the arc-shaped sleeve, one end of the second return spring is fixedly connected to the bottom end of the arc-shaped rod, and the surface of the mounting plate is provided with multiple internal threaded holes.

[0011] Furthermore, a miniature oil box is fixedly connected to the surface of the mounting plate, a T-shaped plate is slidably connected to the inner wall of the miniature oil box, an O-ring is fixedly connected to the surface of the T-shaped plate, and the surface of the O-ring is in contact with the inner bottom wall of the miniature oil box.

[0012] Preferably, the upper surface of the T-shaped plate is provided with an oil drain hole, and the inner wall of the miniature oil box is fixedly connected with an oil supply pipe, the bottom end of which extends to the rotational connection between the triangular plate and the rotating shaft.

[0013] Furthermore, a top plate is fixedly connected to the surface of the connecting rod, and a first return spring is fixedly connected to the lower surface of the micro oil box. One end of the first return spring is fixedly connected to the surface of the T-shaped plate, and the position of the top plate corresponds to the position of the T-shaped plate.

[0014] The beneficial effects of this utility model are as follows: 1. After the operator presses the brake pedal, the connecting rod drives the rotating shaft to rotate. At this time, the torsion spring tightens from its original relaxed state, while the second return spring is compressed and shortened, making the second return spring taut. Under the guidance of the second guide groove and the first guide groove, the convex shaft drives the moving plate to slide in the guide hole, pushing the force rod to move one end of the vacuum booster. The vacuum booster amplifies the force of the driver pressing the brake pedal, improves braking efficiency and reduces operating intensity. Its core functions include pressure difference drive, braking force amplification and failure safety protection. After the operator releases the pedal, the torsion spring and the second return spring drive the connecting rod to return to its original position, preventing jamming.

[0015] 2. During the rotation of the connecting rod, the top plate contacts the surface of the T-shaped plate, pushing the T-shaped plate to slide. When the oil drain hole aligns with the position of the oil supply pipe, the lubricating oil in the miniature oil box is discharged through the oil supply pipe to perform lubrication, ensuring lubrication of the rotating shaft and preventing jamming. Attached Figure Description

[0016] Figure 1 This is a three-dimensional structural diagram of the anti-jamming automotive brake pedal transmission structure proposed in this utility model. Figure 2 This is a three-dimensional structural diagram of the L-shaped rod in the anti-jamming automotive brake pedal transmission structure proposed in this utility model. Figure 3 The present invention proposes an anti-jamming transmission structure for automotive brake pedals. Figure 2 Enlarged structural diagram at point A; Figure 4 This is a three-dimensional structural diagram of the L-shaped hole in the anti-jamming automotive brake pedal transmission structure proposed in this utility model. Figure 5 This is a cross-sectional view of the protective cylinder in the anti-jamming automotive brake pedal transmission structure proposed in this utility model. Figure 6 This is a three-dimensional structural diagram of the arc-shaped sleeve in the anti-jamming automotive brake pedal transmission structure proposed in this utility model. Figure 7 This is a three-dimensional structural diagram of the first guide groove and the second guide groove in the anti-jamming automobile brake pedal transmission structure proposed in this utility model. Figure 8 This is a three-dimensional structural diagram of the T-shaped plate in the anti-jamming automotive brake pedal transmission structure proposed in this utility model.

[0017] In the diagram: 1. Mounting plate; 2. Internal threaded hole; 3. Triangular plate; 4. Connecting rod; 5. Foot pedal; 6. Protective box; 7. Vacuum booster; 8. Oil cylinder; 9. Protective sleeve; 10. L-shaped rod; 11. Arc-shaped sleeve; 12. Arc-shaped rod; 13. Miniature oil box; 14. T-shaped plate; 15. Oil drain hole; 16. First return spring; 17. Top plate; 18. Oil supply pipe; 19. Rotating shaft; 20. Torsion spring; 21. Second guide groove; 22. L-shaped hole; 23. First guide groove; 24. Support frame; 25. Force rod; 26. Convex shaft; 27. Rotating shaft; 28. First bevel gear; 29. ​​O-ring seal; 30. Moving plate; 31. Guide hole; 32. Second bevel gear; 33. First U-shaped plate; 34. Second U-shaped plate; 35. Second return spring. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0019] Reference Figures 1-8 An anti-jamming automotive brake pedal transmission structure includes a mounting plate 1. Multiple triangular plates 3 are fixedly connected to the surface of the mounting plate 1. The inner walls of the multiple triangular plates 3 are rotatably mounted on the same rotating shaft 19. A connecting rod 4 is fixedly connected to the surface of the rotating shaft 19. A foot pedal 5 is fixedly connected to one end of the connecting rod 4. An anti-jamming reset mechanism is provided on the inner wall of the triangular plates 3. The anti-jamming reset mechanism includes a torsion spring 20 fixedly connected to the inner wall of the triangular plate 3, an L-shaped rod 10 fixedly connected to the surface of the torsion spring 20, an L-shaped hole 22 opened on the surface of the connecting rod 4, the surface of the L-shaped rod 10 fixedly connected to the inner wall of the L-shaped hole 22, a protective box 6 fixedly connected to the surface of the mounting plate 1, and one end of the rotating shaft 19 extending into the interior of the protective box 6 and fixedly connected to a first bevel gear 28.

[0020] By setting multiple triangular plates 3, the rotation of the rotating shaft 19 is kept stable. By setting a foot pedal 5, when the foot pedal 5 is subjected to force, it drives the connecting rod 4 to move, driving the rotating shaft 19 to rotate. By setting a torsion spring 20, when the operator releases the pressure on the foot pedal 5, it drives the connecting rod 4 to rotate and reset. By setting an L-shaped hole 22, it provides space for the L-shaped rod 10 to be installed. By setting a protective box 6, it provides safety protection for the first bevel gear 28 and the second bevel gear 32.

[0021] In this utility model, reference is made to Figure 5 A protective cylinder 9 is fixedly connected to the surface of the protective box 6. A guide hole 31 is opened on the surface of the protective cylinder 9. A moving plate 30 is slidably connected to the inner wall of the guide hole 31.

[0022] By setting the guide hole 31, the sliding stability of the moving plate 30 is maintained.

[0023] In this utility model, reference is made to Figure 5 and Figure 7 The inner wall of the protective box 6 is rotatably connected to a rotating shaft 27. The surface of the rotating shaft 27 is provided with a first guide groove 23 and a second guide groove 21. The first guide groove 23 and the second guide groove 21 are connected. One end of the rotating shaft 27 is fixedly connected to a second bevel gear 32. The first bevel gear 28 meshes with the second bevel gear 32.

[0024] By setting the second bevel gear 32, the rotating shaft 27 is driven to rotate. By setting the first guide groove 23 to connect with the second guide groove 21, the convex shaft 26 is guided to slide.

[0025] In this utility model, reference is made to Figure 5 A convex shaft 26 is fixedly connected to the surface of the motion plate 30. One end of the convex shaft 26 extends into the interior of the second guide groove 21. A support frame 24 is provided on one side of the mounting plate 1. A vacuum booster 7 is fixedly connected to the inner wall of the support frame 24. A force rod 25 is fixedly connected to one end of the vacuum booster 7. One end of the motion plate 30 is fixedly connected to the surface of the force rod 25. A hydraulic cylinder 8 is fixedly installed on the surface of the vacuum booster 7.

[0026] The vacuum booster 7 is fixed by setting up a support frame 24. The vacuum booster 7 amplifies the force of the driver pressing the brake pedal, improves braking efficiency and reduces operating intensity. Its core functions include pressure difference drive, braking force amplification and failure safety protection. One end of the vacuum booster 7 is driven by setting up a force rod 25.

[0027] In this utility model, reference is made to Figure 6 A first U-shaped plate 33 is fixedly connected to the surface of the connecting rod 4, a second U-shaped plate 34 is fixedly connected to the surface of the mounting plate 1, an arc-shaped rod 12 is rotatably connected to the surface of the first U-shaped plate 33, an arc-shaped sleeve 11 is rotatably connected to the surface of the second U-shaped plate 34, and the surface of the arc-shaped rod 12 is slidably connected to the inner wall of the arc-shaped sleeve 11.

[0028] By setting the arc-shaped sleeve 11, the contraction of the arc-shaped rod 12 is kept stable, and by setting the arc-shaped rod 12, pressure is applied to the second return spring 35.

[0029] In this utility model, reference is made to Figure 6 The inner wall of the arc-shaped sleeve 11 is fixedly connected to a second return spring 35. One end of the second return spring 35 is fixedly connected to the bottom end of the arc-shaped rod 12. The surface of the mounting plate 1 is provided with multiple internal threaded holes 2.

[0030] By setting a second reset spring 35, the arc-shaped rod 12 is driven to reset, which in turn assists the connecting rod 4 to rotate and reset. By setting multiple internal threaded holes 2, it is convenient to install screws to install and fix the mounting plate 1.

[0031] In this utility model, reference is made to Figure 2 and Figure 3 A miniature oil box 13 is fixedly connected to the surface of the mounting plate 1. A T-shaped plate 14 is slidably connected to the inner wall of the miniature oil box 13. An O-ring 29 is fixedly connected to the surface of the T-shaped plate 14. The surface of the O-ring 29 is in contact with the inner bottom wall of the miniature oil box 13.

[0032] By setting up a miniature oil box 13 to store lubricating oil, and by setting up an O-ring seal 29, the lubricating oil leakage in the miniature oil box 13 is prevented.

[0033] In this utility model, reference is made to Figure 3The upper surface of the T-shaped plate 14 is provided with an oil drain hole 15, and the inner wall of the miniature oil box 13 is fixedly connected with an oil supply pipe 18. The bottom end of the oil supply pipe 18 extends to the rotation connection between the triangular plate 3 and the rotating shaft 19.

[0034] By setting the oil drain hole 15, when the oil drain hole 15 moves relative to the position of the oil supply pipe 18, the lubricating oil in the miniature oil box 13 is discharged to lubricate the connection between the triangular plate 3 and the rotating shaft 19.

[0035] In this utility model, reference is made to Figure 3 A top plate 17 is fixedly connected to the surface of the connecting rod 4, and a first return spring 16 is fixedly connected to the lower surface of the miniature oil box 13. One end of the first return spring 16 is fixedly connected to the surface of the T-shaped plate 14, and the position of the top plate 17 corresponds to the position of the T-shaped plate 14.

[0036] By setting the top plate 17, the T-shaped plate 14 is driven to slide under force, and by setting the first reset spring 16, the T-shaped plate 14 is assisted to slide and reset.

[0037] Working principle: After the mounting plate 1 is installed and fixed, when the foot pedal 5 is pressed, the connecting rod 4 is subjected to force, which drives the rotating shaft 19 to rotate. The movement of the connecting rod 4 causes the L-shaped rod 10 to be subjected to force, which tightens the torsion spring 20 from its original relaxed state. The movement of the connecting rod 4 causes the arc-shaped rod 12 to be subjected to force, causing the arc-shaped rod 12 to slide into the arc-shaped sleeve 11, compressing the second return spring 35 and shortening it, making the second return spring 35 tight. When the rotating shaft 19 rotates, it drives the first bevel gear 28 to rotate. The rotation of the first bevel gear 28 drives the second bevel gear 32 to rotate. The second bevel gear 32 drives the rotating shaft 27 to rotate. The rotating shaft 27 drives the second guide groove 21 and the first guide groove 23 to rotate, so that the convex shaft 26, under the guidance of the second guide groove 21 and the first guide groove 23, drives the moving plate 30 to slide in the guide hole 31, thereby pushing the force-bearing rod 25 to be subjected to force. After the force-bearing rod 25 is subjected to force, it drives one end of the vacuum booster 7 to move. The vacuum booster 7 amplifies the force of the driver pressing the brake pedal and enhances braking. This technology improves efficiency and reduces operational intensity. Its core functions include pressure differential drive, braking force amplification, and fail-safe protection. Hydraulic oil in cylinder 8 is sent to the brake disc through pipelines to control braking operation. This technology is existing and will not be elaborated further. During the rotation of connecting rod 4, the top plate 17 is driven to contact the surface of T-shaped plate 14, pushing T-shaped plate 14 to slide. When the oil drain hole 15 aligns with the position of oil supply pipe 18, the lubricating oil in miniature oil box 13 is discharged through oil supply pipe 18 to lubricate the connection between triangle plate 3 and rotating shaft 19, ensuring lubrication of rotating shaft 19 and preventing jamming. When the driver releases foot pedal 5, connecting rod 4 is reset under the action of torsion spring 20 and L-shaped rod 10. At the same time, arc rod 12 is pushed out under the action of second reset spring 35, assisting in driving connecting rod 4 to rotate and reset. Rotating shaft 19 reverses, driving the end of force rod 25 connected to vacuum booster 7 to move and reset, facilitating the next pressing of foot pedal 5 for braking operation.

[0038] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. An anti-jamming automotive brake pedal transmission structure, comprising a mounting plate (1), characterized in that, Multiple triangular plates (3) are fixedly connected to the surface of the mounting plate (1). The inner walls of the multiple triangular plates (3) are rotatably mounted on the same rotating shaft (19). A connecting rod (4) is fixedly connected to the surface of the rotating shaft (19). A foot pedal (5) is fixedly connected to one end of the connecting rod (4). An anti-jamming reset mechanism is provided on the inner wall of the triangular plate (3). The anti-jamming reset mechanism includes a torsion spring (20) fixedly connected to the inner wall of the triangular plate (3). An L-shaped rod (10) is fixedly connected to the surface of the torsion spring (20). An L-shaped hole (22) is opened on the surface of the connecting rod (4). The surface of the L-shaped rod (10) is fixedly connected to the inner wall of the L-shaped hole (22). A protective box (6) is fixedly connected to the surface of the mounting plate (1). One end of the rotating shaft (19) extends into the interior of the protective box (6) and is fixedly connected to a first bevel gear (28).

2. The anti-jamming automotive brake pedal transmission structure according to claim 1, characterized in that, The protective box (6) is fixedly connected to a protective cylinder (9), and a guide hole (31) is opened on the surface of the protective cylinder (9). A moving plate (30) is slidably connected to the inner wall of the guide hole (31).

3. The anti-jamming automotive brake pedal transmission structure according to claim 1, characterized in that, The inner wall of the protective box (6) is rotatably connected to a rotating shaft (27). The surface of the rotating shaft (27) is provided with a first guide groove (23) and a second guide groove (21). The first guide groove (23) and the second guide groove (21) are connected. One end of the rotating shaft (27) is fixedly connected to a second bevel gear (32). The first bevel gear (28) meshes with the second bevel gear (32).

4. The anti-jamming automotive brake pedal transmission structure according to claim 2, characterized in that, A convex shaft (26) is fixedly connected to the surface of the motion plate (30). One end of the convex shaft (26) extends into the interior of the second guide groove (21). A support frame (24) is provided on one side of the mounting plate (1). A vacuum booster (7) is fixedly connected to the inner wall of the support frame (24). A force rod (25) is fixedly connected to one end of the vacuum booster (7). One end of the motion plate (30) is fixedly connected to the surface of the force rod (25). A hydraulic cylinder (8) is fixedly installed on the surface of the vacuum booster (7).

5. The anti-jamming automotive brake pedal transmission structure according to claim 1, characterized in that, The surface of the connecting rod (4) is fixedly connected to a first U-shaped plate (33), the surface of the mounting plate (1) is fixedly connected to a second U-shaped plate (34), the surface of the first U-shaped plate (33) is rotatably connected to an arc rod (12), the surface of the second U-shaped plate (34) is rotatably connected to an arc sleeve (11), and the surface of the arc rod (12) is slidably connected to the inner wall of the arc sleeve (11).

6. The anti-jamming automotive brake pedal transmission structure according to claim 5, characterized in that, The inner wall of the arc sleeve (11) is fixedly connected to a second return spring (35), one end of the second return spring (35) is fixedly connected to the bottom end of the arc rod (12), and the surface of the mounting plate (1) is provided with multiple internal thread holes (2).

7. The anti-jamming automotive brake pedal transmission structure according to claim 1, characterized in that, The mounting plate (1) is fixedly connected to a miniature oil box (13), and a T-shaped plate (14) is slidably connected to the inner wall of the miniature oil box (13). An O-ring (29) is fixedly connected to the surface of the T-shaped plate (14), and the surface of the O-ring (29) is in contact with the inner bottom wall of the miniature oil box (13).

8. The anti-jamming automotive brake pedal transmission structure according to claim 7, characterized in that, The upper surface of the T-shaped plate (14) is provided with an oil drain hole (15), and the inner wall of the miniature oil box (13) is fixedly connected with an oil supply pipe (18). The bottom end of the oil supply pipe (18) extends to the rotation connection between the triangular plate (3) and the rotating shaft (19).

9. The anti-jamming automotive brake pedal transmission structure according to claim 7, characterized in that, The top plate (17) is fixedly connected to the surface of the connecting rod (4), and the first return spring (16) is fixedly connected to the lower surface of the micro oil box (13). One end of the first return spring (16) is fixedly connected to the surface of the T-shaped plate (14), and the position of the top plate (17) corresponds to the position of the T-shaped plate (14).

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