Automobile brake pedal base structure

Abstract

The automobile brake pedal base structure comprises a base and a brake assembly movably arranged on the base, the brake assembly comprises a pedal main shaft, a pedal arm, a pedal foot handle and a vacuum booster pump connecting arm, the pedal main shaft is arranged on the base in a penetrating mode, one end of the pedal arm is movably arranged on the pedal main shaft, and the other end of the pedal arm is movably arranged on the vacuum booster pump connecting arm. One end of the vacuum booster pump connecting arm is movably connected with the pedal main shaft, the vacuum booster pump connecting arm is connected with the pedal arm, and the base is integrally formed in an injection molding mode, so that development and utilization of molds, detection tools and clamps are reduced, and the cost is effectively reduced. According to the automobile brake pedal base structure, the cost can be effectively reduced, and the requirement for light weight is met on the premise that the structural strength is met.

Description

Technical Field

[0001] The utility model belongs to the field of automotive brake pedals. Specifically, the utility model relates to a base structure of an automotive brake pedal. Background Art

[0002] The brake pedal is a key component in the automotive braking system, mainly used to control the braking process of the vehicle. The traditional brake support is mainly a sheet metal part, and the weight of the support is relatively heavy. The connection method of the traditional brake support is mainly welded by multiple sheet metal brackets, which requires multiple sets of molds, inspection tools and jigs, increasing the production cost. The traditional base is welded by multiple single parts, and there are certain differences in the welding and assembly process, affecting the service performance of the structural parts.

[0003] To solve the above problems, Patent Document 220947949U discloses a base structure of a brake pedal, a brake pedal and an automobile, which relates to the field of automotive technology, and includes: a base bracket, one side of which is used to connect to the vehicle body; a pedal base, one end of which is detachably connected to the other side of the base bracket; this brake pedal splits the original pedal base into two parts, namely the pedal base and the base bracket, and matches different vehicle body configuration requirements by replacing different pedal bases, thus realizing the maximum generalization of the remaining parts of the brake pedal, but it cannot solve the above problems. Summary of the Utility Model

[0004] The present utility model is made to solve the above problems, and aims to provide an automotive brake pedal base structure that can effectively solve costs and can meet the requirements of lightweight while meeting the structural strength. To achieve the above object, the technical solution adopted by the present utility model is as follows:

[0005] The present utility model provides an automotive brake pedal base structure, having the following characteristics, including a base and a brake assembly movably arranged on the base. The brake assembly includes a pedal main shaft, a pedal arm, a pedal foot handle and a vacuum booster connecting arm. The pedal main shaft passes through the base. One end of the pedal arm is movably arranged on the pedal main shaft. The other end of the pedal arm is connected to the pedal foot handle. One end of the vacuum booster connecting arm is movably connected to the pedal main shaft, and the vacuum booster connecting arm is connected to the pedal arm.

[0006] In the automotive brake pedal base structure provided by the present utility model, it may further have the following characteristics: a main shaft sleeve is sleeved on the pedal main shaft. One end of the pedal arm close to the pedal main shaft is connected to the main shaft sleeve. One end of the vacuum booster connecting arm close to the pedal main shaft is connected to the main shaft sleeve.

[0007] In the structure of the vehicle brake pedal base provided by the present utility model, it may further have the following features: a return spring is provided on the main shaft sleeve, the return spring is sleeved on the main shaft sleeve, one end of the return spring is connected to the base, and the other end of the return spring is connected to the vacuum booster pump connecting arm.

[0008] In the structure of the vehicle brake pedal base provided by the present utility model, it may further have the following features: a pedal switch limit bracket is provided on the pedal arm.

[0009] In the structure of the vehicle brake pedal base provided by the present utility model, it may further have the following features: a base upper mounting reinforcing boss and a base lower mounting reinforcing boss are provided on the base, a base upper mounting hole is provided on the base upper mounting reinforcing boss, and a base lower mounting hole is provided on the base lower mounting reinforcing boss.

[0010] In the structure of the vehicle brake pedal base provided by the present utility model, it may further have the following features: a brake switch sensor boss is provided on the base, a brake switch sensor wire harness bayonet and a brake switch sensor mounting hole are provided on the brake switch sensor boss, and a brake switch sensor upper surface reinforcing rib is provided around the brake switch sensor mounting hole.

[0011] In the structure of the vehicle brake pedal base provided by the present utility model, it may further have the following features: a vacuum pump bracket through hole is provided on the base.

[0012] In the structure of the vehicle brake pedal base provided by the present utility model, it may further have the following features: an upper surface right reinforcing rib and an upper surface left reinforcing rib are provided on the base, and a bottom left edge reinforcing rib and a bottom right edge reinforcing rib are provided at the bottom of the base.

[0013] In the structure of the vehicle brake pedal base provided by the present utility model, it may further have the following features: a pedal main shaft left mounting hole and a pedal main shaft right mounting hole are provided on the base, and both ends of the pedal main shaft are respectively clamped in the pedal main shaft left mounting hole and the pedal main shaft right mounting hole.

[0014] In the structure of the vehicle brake pedal base provided by the present utility model, it may further have the following features: the base is integrally formed by injection molding.

[0015] The technical effects of the present utility model are as follows: The automotive brake pedal base structure provided by the present utility model includes a base and a brake assembly movably arranged on the base. The brake assembly includes a pedal main shaft, a pedal arm, a pedal foot handle, and a vacuum booster connecting arm. The pedal main shaft is passed through the base. One end of the pedal arm is movably arranged on the pedal main shaft, the other end of the pedal arm is connected to the pedal foot handle, one end of the vacuum booster connecting arm is movably connected to the pedal main shaft, and the vacuum booster connecting arm is connected to the pedal arm. The base is integrally formed by injection molding, which is beneficial to reducing the development and utilization of molds, gauges, and jigs, and effectively reducing costs.

[0016] Therefore, the automotive brake pedal base structure provided by the present utility model can effectively solve the cost problem and meet the lightweight requirement while meeting the structural strength requirement. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] This specification includes the following drawings, and the shown contents are respectively:

[0018] Figure 1 is a schematic structural diagram of the automotive brake pedal base structure in the embodiment of the present utility model;

[0019] Figure 2 is a schematic structure of the base in the embodiment of the present utility model Figure 1 ;

[0020] Figure 3 is a schematic structure of the base in the embodiment of the present utility model Figure 2 ;

[0021] Figure 4 is a schematic structure of the base in the embodiment of the present utility model Figure 3 .

[0022] The markings in the figure are: 10 - base, 11 - mounting strengthening boss on the base, 111 - mounting hole on the base, 12 - mounting strengthening boss under the base, 121 - mounting hole under the base, 122 - through hole for the vacuum pump bracket, 13 - brake switch sensor boss, 131 - wire harness bayonet for the brake switch sensor, 123 - mounting hole for the brake switch sensor, 133 - upper surface strengthening rib of the brake switch sensor, 14 - upper surface right strengthening rib, 15 - upper surface left strengthening rib, 16 - bottom left edge strengthening rib, 17 - bottom right edge strengthening rib, 18 - left mounting hole of the pedal main shaft, 19 - right mounting hole of the pedal main shaft, 20 - brake assembly, 21 - pedal main shaft, 22 - pedal arm, 221 - pedal switch limit bracket, 23 - pedal foot handle, 24 - vacuum booster connecting arm, 25 - main shaft sleeve, 26 - return spring, 261 - through hole for the return spring. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0023] The following will, with reference to the accompanying drawings, further elaborate on the specific implementation manners of the present invention through the description of embodiments, aiming to help those skilled in the art have a more complete, accurate, and in-depth understanding of the inventive concept and technical solutions of the present invention and facilitate its implementation.

[0024] Figure 1 It is a schematic structural diagram of the structure of an automotive brake pedal base in an embodiment of the present utility model.

[0025] As Figure 1 shown, the automotive brake pedal base structure provided by the present utility model includes a base 10 and a brake assembly 20 movably arranged on the base 10. The brake assembly 20 includes a pedal main shaft 21, a pedal arm 22, a pedal foot handle 23, and a vacuum booster connecting arm 24. The pedal main shaft 21 is inserted through the base 10. One end of the pedal arm 22 is movably arranged on the pedal main shaft 21. The other end of the pedal arm 22 is connected to the pedal foot handle 23 for the driver to step on. One end of the vacuum booster connecting arm 24 is movably connected to the pedal main shaft 21, and the end of the vacuum booster connecting arm 24 close to the pedal main shaft 21 is connected to the end of the pedal arm 22 close to the pedal main shaft 21. The base 10 is integrally formed by injection molding, and the main material used is polypropylene, which can meet the requirements of lightweight while satisfying the structural strength, facilitating the reduction of the development and utilization of molds, gauges, and jigs required in the production of the pedal base structure, and effectively reducing costs.

[0026] A main shaft sleeve 25 is sleeved on the pedal main shaft 21. The main shaft sleeve 25 is rotatably sleeved on the pedal main shaft 21. One end of the pedal arm 22 close to the pedal main shaft 21 is connected to the main shaft sleeve 25, and one end of the vacuum booster connecting arm 24 close to the pedal main shaft 21 is connected to the main shaft sleeve 25, enabling the pedal arm 22 and the vacuum booster connecting arm 24 to be rotatably connected to the pedal main shaft 21. At the same time, the main shaft sleeve 25 can reduce the friction between it and the pedal main shaft 21, reduce wear, and extend the service life.

[0027] A return spring 26 is provided on the main shaft sleeve 25. The return spring 26 is sleeved on the main shaft sleeve 25. One end of the return spring 26 is connected to the base 10, and the other end of the return spring 26 is connected to the vacuum booster connecting arm 24. A return spring through hole 261 is provided on the base 10, and one end of the return spring 26 is clamped in the return spring through hole 261.

[0028] A pedal switch limit bracket 221 is provided on the pedal arm 22. The pedal switch limit bracket 221 is used to limit the pedal arm 22, restricting the maximum stroke of the brake pedal or the accelerator pedal to prevent the system from being damaged or out of control due to excessive depression of the pedal.

[0029] Figure 2Schematic structure of the base in the embodiment of the present utility model Figure 1 ; Figure 3 Schematic structure of the base in the embodiment of the present utility model Figure 2 ; Figure 4 Schematic structure of the base in the embodiment of the present utility model Figure 3 。

[0030] As Figure 2 、 Figure 3 and Figure 4 shown, the base 10 is provided with an upper base mounting reinforcing boss 11 and a lower base mounting reinforcing boss 12. The upper base mounting reinforcing boss 11 and the lower base mounting reinforcing boss 12 are respectively arranged on both sides of the base 10. The upper base mounting reinforcing boss 11 is provided with an upper base mounting hole 111, and the lower base mounting reinforcing boss 12 is provided with a lower base mounting hole 121. The four lower base mounting holes 121 are evenly arranged on the lower base mounting reinforcing boss 12. The upper base mounting hole 111 and the lower base mounting hole 121 are used to install and fix the base 10, improving the installation firmness of the base 10.

[0031] As Figure 2 、 Figure 3 and Figure 4 shown, the base 10 is provided with a brake switch sensor boss 13. The brake switch sensor boss 13 is provided with a brake switch sensor wire harness bayonet 131 and a brake switch sensor mounting hole 132. The brake switch sensor mounting hole 132 is used to provide an installation position for the brake switch sensor. The brake switch sensor wire harness bayonet 131 is used to arrange the brake switch sensor wire harness, thus facilitating the installation of the brake switch sensor. There is a brake switch sensor upper surface reinforcing rib 133 around the brake switch sensor mounting hole 132. The brake switch sensor upper surface reinforcing rib 133 can enhance the structural strength of the brake switch sensor boss 13 and improve the structural strength of the base 10.

[0032] As Figure 2 、 Figure 3 and Figure 4 shown, the base 10 is provided with a vacuum pump bracket through hole 122. The vacuum pump bracket through hole 122 is located on the lower base mounting reinforcing boss 12 and between the four lower base mounting holes 121. The four lower base mounting holes 121 are evenly distributed around the vacuum pump bracket through hole 122. The vacuum pump bracket through hole 122 is used to provide an installation space for the connection arm 24 of the vacuum booster pump to be connected to the vacuum booster pump, improving the reliability of the structure.

[0033] As Figure 2 、 Figure 3 and Figure 4As shown, on the base 10, there are reinforcing ribs 14 on the right side of the upper surface and reinforcing ribs 15 on the left side of the upper surface. On the bottom of the base, there are reinforcing ribs 16 on the left bottom edge and reinforcing ribs 17 on the right bottom edge, so that there are multiple reinforcing ribs on the base 10, thereby improving the structural strength of the base 10.

[0034] As Figure 2 , Figure 3 and Figure 4 shown, on the base 10, there are a left mounting hole 18 for the pedal main shaft and a right mounting hole 19 for the pedal main shaft. Both ends of the pedal main shaft 21 are respectively clamped in the left mounting hole 18 for the pedal main shaft and the right mounting hole 19 for the pedal main shaft, thereby fixing the pedal main shaft 21 and improving the structural stability.

[0035] In the structure of the automotive brake pedal base provided by the present utility model, the base 10 is integrally formed by injection molding, and the main material used is polypropylene, which can meet the requirements of lightweight while meeting the structural strength, is beneficial to reducing the development and utilization of molds, inspection tools and jigs required in the production of the pedal base structure, and effectively reduces the cost.

[0036] Functions and effects of the embodiment

[0037] The structure of the automotive brake pedal base provided by the present utility model includes a base 10 and a brake assembly 20 movably arranged on the base 10. The brake assembly 20 includes a pedal main shaft 21, a pedal arm 22, a pedal foot handle 23 and a vacuum booster connecting arm 24. The pedal main shaft 21 passes through the base 10. One end of the pedal arm 22 is movably arranged on the pedal main shaft 21. The other end of the pedal arm 22 is connected to the pedal foot handle 23. One end of the vacuum booster connecting arm 24 is movably connected to the pedal main shaft 21. One end of the vacuum booster connecting arm 24 close to the pedal main shaft 21 is connected to one end of the pedal arm 22 close to the pedal main shaft 21. The base 10 is integrally formed by injection molding, and the main material used is polypropylene, which can meet the requirements of lightweight while meeting the structural strength, is beneficial to reducing the development and utilization of molds, inspection tools and jigs required in the production of the pedal base structure, and effectively reduces the cost.

[0038] The present utility model has been described exemplarily in conjunction with the accompanying drawings. Obviously, the specific implementation of the present utility model is not limited by the above methods. As long as various non-substantive improvements are made by adopting the method concept and technical solution of the present utility model; or without improvement, the above concept and technical solution of the present utility model are directly applied to other occasions, they are all within the protection scope of the present utility model.

Claims

1. An automotive brake pedal base structure, characterized in that It includes a base (10) and a braking assembly (20) movably arranged on the base (10). The braking assembly (20) includes a pedal spindle (21), a pedal arm (22), a pedal foot handle (23), and a vacuum booster pump connecting arm (24). The pedal spindle (21) is passed through the base (10). One end of the pedal arm (22) is movably arranged on the pedal spindle (21), the other end of the pedal arm (22) is connected to the pedal foot handle (23), one end of the vacuum booster pump connecting arm (24) is movably connected to the pedal spindle (21), and the vacuum booster pump connecting arm (24) is connected to the pedal arm (22).

2. The structure of the base of an automotive brake pedal according to claim 1, wherein A spindle sleeve (25) is sleeved on the pedal spindle (21). One end of the pedal arm (22) close to the pedal spindle (21) is connected to the spindle sleeve (25), and one end of the vacuum booster pump connecting arm (24) close to the pedal spindle (21) is connected to the spindle sleeve (25).

3. The structure of the automotive brake pedal base according to claim 2, characterized in that A return spring (26) is arranged on the spindle sleeve (25). The return spring (26) is sleeved on the spindle sleeve (25). One end of the return spring (26) is connected to the base (10), and the other end of the return spring (26) is connected to the vacuum booster pump connecting arm (24).

4. The automotive brake pedal base structure according to claim 3, characterized in that, A pedal switch limit bracket (221) is arranged on the pedal arm (22).

5. The structure of the automotive brake pedal base according to claim 4, characterized in that, The base (10) is provided with an upper base mounting reinforcing boss (11) and a lower base mounting reinforcing boss (12). An upper base mounting hole (111) is arranged on the upper base mounting reinforcing boss (11), and a lower base mounting hole (121) is arranged on the lower base mounting reinforcing boss (12).

6. The structure of the automotive brake pedal base according to claim 5, wherein, The base (10) is provided with a brake switch sensor boss (13). A brake switch sensor wire harness bayonet (131) and a brake switch sensor mounting hole (132) are arranged on the brake switch sensor boss (13). Brake switch sensor upper surface reinforcing ribs (133) are arranged around the brake switch sensor mounting hole (132).

7. The automotive brake pedal base structure according to claim 6, characterized in that, The base (10) is provided with a vacuum pump bracket through hole (122).

8. The automotive brake pedal base structure according to claim 7, characterized in that, The base (10) is provided with a right upper surface reinforcing rib (14) and a left upper surface reinforcing rib (15). Left bottom edge reinforcing ribs (16) and right bottom edge reinforcing ribs (17) are arranged at the bottom of the base (10).

9. The structure of the base of an automotive brake pedal according to claim 8, characterized in that, The base (10) is provided with a left pedal spindle mounting hole (18) and a right pedal spindle mounting hole (19). Two ends of the pedal spindle (21) are respectively clamped in the left pedal spindle mounting hole (18) and the right pedal spindle mounting hole (19).

10. The structure of the automotive brake pedal base according to any one of claims 1 to 9, characterized in that, The base (10) is integrally formed by injection molding.

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