CN211765464U - Brake pedal - Google Patents

Abstract

The utility model discloses a brake pedal, including pedal bracket, footboard arm and footboard pad, the footboard pad is connected in the one end of footboard arm, and the other end of footboard arm articulates on pedal bracket, and the footboard arm is hollow structure, and the cross-sectional area of footboard arm diminishes by pedal bracket to footboard pad gradually. The brake pedal of this scheme can satisfy intensity and rigidity requirement when realizing the lightweight.

Description

Brake pedal

Technical Field

The utility model belongs to automobile design and manufacturing field, more specifically relates to a brake pedal.

Background

With the development of society, consumers pay more and more attention to the economy of automobiles, and the economy of automobiles occupies a greater and greater position in the decision of whether the consumers buy the automobiles or not. The light weight design of the automobile is the most effective method for improving the economy of the whole automobile. At present, in the design of the whole vehicle, the weight target is decomposed layer by layer to reach the parts, so the weight index can be obtained at the beginning of the design of all parts. Lightweight design of parts is also a concern that automotive engineers must consider.

The pedal support and the pedal arm of the existing brake pedal are formed by punching plates with certain thicknesses, in order to achieve the design strength and rigidity of the brake pedal, the pedal arm always needs to select the plates with the thickness of about 6 mm-8 mm, the pedal support can select the plates with the thickness of about 2-3 mm, therefore, the weight of the pedal arm and the pedal support formed by punching can be large on the premise of meeting the rigidity strength of the pedal, the weight index of the brake pedal generates negative effect, the weight of the pedal assembly is always influenced by the weight so as not to meet the weight design index, and the light weight of the whole vehicle is adversely affected.

Therefore, development of a brake pedal that can satisfy strength and rigidity requirements while achieving weight reduction has been desired.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a brake pedal solves the unsatisfied design weight index problem of brake pedal weight, alleviates weight index pressure, produces positive effect to the lightweight of whole car, and then promotes whole car economic nature.

In order to achieve the above object, the utility model provides a brake pedal, including pedal bracket, pedal arm and pedal pad, the pedal pad connect in the one end of pedal arm, the other end of pedal arm articulate in on the pedal bracket, the pedal arm is hollow structure, just the cross-sectional area of pedal arm by pedal bracket extremely the pedal pad diminishes gradually.

Preferably, the pedal pad includes a pedal and a pedal pad, the pedal is fixedly connected to the one end of the pedal arm, and the pedal pad is disposed on a top surface of the pedal.

Preferably, a plurality of convex points are arranged on the surface of the pedal pad, and the convex points are cylindrical.

Preferably, the connection mode of the pedal pad and the pedal sheet is clamping connection.

Preferably, the pedal sheet is made of metal, and the pedal pad is made of polyvinyl chloride.

Preferably, a stroke sensor mounting point and a brake switch bracket mounting point are arranged on the pedal bracket, and the sensor mounting point, the brake switch bracket mounting point and the pedal bracket are integrally formed by injection molding.

Preferably, the pedal bracket is made of nylon or resin.

Preferably, the pedal support is of a box-type structure, and the wall thickness of the pedal support is 2mm-2.4 mm.

Preferably, the pedal arm is of an arc-shaped strip structure, a strip hollow groove is formed in the center of the pedal arm, and the wall thickness of the pedal arm is 2.1-2.5 mm.

Preferably, the pedal arm is made of metal.

The beneficial effects of the utility model reside in that:

1. the pedal arm is of a hollow structure, the weight of the pedal arm is reduced to the maximum extent while various performances of the pedal arm are met, and compared with the pedal arm of a traditional thick steel plate stamping structure, the weight of the pedal arm can be reduced by 30% -40%.

2. The pedal pad is formed by connecting and combining the pedal pad and the pedal sheet in a clamping manner, and the friction force between the pedal pad and the sole of a driver is increased through the cylindrical convex points with height and size on the surface of the pedal pad, so that the risk of skidding of the pedal when the foot of the driver is wet is reduced.

3. The pedal bracket integrates a stroke sensor and a mounting point of the brake switch bracket, all structural characteristics are molded integrally by injection, and nylon or resin materials are molded integrally by injection, so that the weight of the pedal bracket is reduced to the maximum extent while various performances of the pedal bracket are met, the wall thickness is reduced, and compared with a pedal arm of a traditional steel plate stamping structure, the weight can be reduced by 40-50%.

4. The hollow pedal arm is combined with the pedal support made of nylon or resin materials, the problem that the weight of the brake pedal cannot meet the designed weight index is solved, the pressure of the weight index is relieved, the light weight of the whole vehicle is positively acted, and the economy of the whole vehicle is further improved.

Other features and advantages of the present invention will be described in detail in the detailed description which follows.

Drawings

The above and other objects, features and advantages of the present invention will become more apparent by describing in more detail exemplary embodiments thereof with reference to the attached drawings, in which like reference numerals generally represent like parts throughout the exemplary embodiments of the present invention.

Fig. 1 shows a schematic structural view of a brake pedal according to an embodiment of the present invention.

Fig. 2 shows a schematic block diagram of a pedal bracket method according to an embodiment of the present invention.

Fig. 3 shows a schematic block diagram of a pedal arm according to an embodiment of the present invention.

Fig. 4 shows a schematic block diagram of a pedal pad according to an embodiment of the present invention.

Description of the reference numerals

1. A pedal bracket; 2. a pedal arm; 3. stepping; 4. a step pad; 5. salient points; 6. a travel sensor mounting point; 7. and (5) installing points of the brake switch bracket.

Detailed Description

Preferred embodiments of the present invention will be described in more detail below. While the following describes preferred embodiments of the present invention, it should be understood that the present invention may be embodied in various forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

The utility model discloses a brake pedal, including pedal bracket, footboard arm and footboard pad, the footboard pad is connected in the one end of footboard arm, and the other end of footboard arm articulates on pedal bracket, and the footboard arm is hollow structure, and the cross-sectional area of footboard arm diminishes by pedal bracket to footboard pad gradually.

Further, the pedal arm is a variable section pedal arm, i.e., the area of its cross section becomes gradually smaller from the pedal bracket to the pedal pad.

Specifically, the pedal arm is of a hollow structure and has a variable cross section, so that the weight of the pedal arm is reduced to the maximum extent while various performances of the pedal arm are met, and compared with the pedal arm with a traditional thick steel plate stamping structure, the weight of the pedal arm can be reduced by 30% -40%.

Preferably, the pedal pad comprises a pedal sheet and a pedal pad, the pedal sheet is fixedly connected with one end of the pedal arm, and the pedal pad is clamped on the top surface of the pedal sheet.

Preferably, the surface of the tread pad is provided with a plurality of convex points, and the convex points are cylindrical.

Preferably, the connection mode of the pedal pad and the pedal sheet is clamping.

Specifically, the pedal pad is formed by the clamping combination of the pedal pad and the pedal sheet, and the friction force between the pedal pad and the sole of a driver is increased through the cylindrical convex points with height and size on the surface of the pedal pad, so that the risk of skidding of the pedal when the foot of the driver is wet is reduced.

Preferably, the pedal is made of metal, and the pedal pad is made of polyvinyl chloride.

Specifically, the pedal pad is made of polyvinyl chloride, has certain elasticity, has large friction force with the sole, is durable and increases the comfort of pedaling.

As the preferred scheme, a stroke sensor mounting point and a brake switch bracket mounting point are arranged on the pedal bracket, and the sensor mounting point, the brake switch bracket mounting point and the pedal bracket are integrally formed by injection molding.

Preferably, the pedal bracket is made of nylon or resin.

Specifically, the pedal support integrates a stroke sensor and a brake switch support mounting point, all structural characteristics are integrally formed by injection molding, and nylon or resin materials are integrally formed by injection molding, so that the weight of the pedal support is reduced to the maximum extent while various performances of the pedal support are met, the wall thickness is reduced, and compared with a pedal arm of a traditional steel plate stamping structure, the weight can be reduced by 40% -50%.

Preferably, the pedal bracket is of a box-shaped structure, and the wall thickness of the pedal bracket is 2mm-2.4 mm.

As the preferred scheme, the pedal arm is of an arc strip-shaped structure, a strip-shaped hollow groove is formed in the center of the pedal arm, and the wall thickness of the pedal arm is 2.1-2.5 mm.

Preferably, the pedal arm is made of metal.

Examples

Fig. 1 shows a schematic configuration diagram of a brake pedal according to the present embodiment; FIG. 2 is a schematic configuration diagram showing a pedal bracket method according to the present embodiment; fig. 3 is a schematic structural view showing a pedal arm according to the present embodiment; fig. 4 is a schematic structural view showing a pedal pad according to the present embodiment.

As shown in fig. 1 to 4, the brake pedal comprises a pedal bracket 1, a pedal arm 2 and a pedal pad, wherein the pedal pad is connected to one end of the pedal arm 2, the other end of the pedal arm 2 is hinged to the pedal bracket 1, the pedal arm 2 is of a hollow structure, and the cross-sectional area of the pedal arm is gradually reduced from the pedal bracket to the pedal pad. The pedal bracket 1 is of a box-shaped structure, is made of nylon, and has a wall thickness of 2.2mm, the pedal bracket 1 is provided with a stroke sensor mounting point 6 and a brake switch bracket mounting point 7, and the sensor mounting point 6 and the brake switch bracket mounting point 7 are integrally injection-molded with the pedal bracket 1; the pedal arm 2 is of an arc strip-shaped structure and made of metal, a strip-shaped hollow groove is formed in the center of the pedal arm 2, and the wall thickness of the pedal arm 2 is 2.3 mm; the pedal pad includes step 3 and step 4, and step 3 and pedal arm 2's one end fixed connection, step 4 and set up on step 3's top surface, and the material of step 3 is the metal, and the material of step 4 is polyvinyl chloride, and the surface of step 4 is equipped with a plurality of cylindric bumps 5.

The pedal arm of hollow structure and the pedal support combination of nylon material solve the unsatisfied design weight index problem of brake pedal weight, alleviate weight index pressure, produce positive effect to the lightweight of whole car, and then promote whole car economic nature.

The pedal arm is designed into a hollow arm structure with the cross section side length of 18mm by using a 2.3mm thick plate, the weight of the pedal arm is reduced to the maximum extent while various performances of the pedal arm are met, and compared with the pedal arm with a traditional thick steel plate stamping structure, the weight of the pedal arm can be reduced by 30% -40%.

The pedal support is integrally injection-molded by using a nylon or resin material, the stroke sensor and the brake switch support mounting point are integrated with the wall thickness of 2.2mm, and all structural characteristics are integrally injection-molded, so that the weight of the pedal support is reduced to the maximum extent while various performances of the pedal support are met, and compared with a pedal arm of a traditional steel plate stamping structure, the weight of the pedal support can be reduced by 40% -50%.

The pedal pad is formed by the clamping combination of a polyvinyl chloride pedal pad and a metal pedal sheet, and cylindrical salient points with height and size are designed on the surface of the polyvinyl chloride pedal pad one by one, so that the friction force between the cylindrical salient points with height and the feet of a driver is increased in any direction, and the risk of skidding of the pedal when the feet of the driver are wet is reduced.

While various embodiments of the present invention have been described above, the above description is intended to be illustrative, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments.

Claims (10)

1. The brake pedal is characterized by comprising a pedal support, a pedal arm and a pedal pad, wherein the pedal pad is connected to one end of the pedal arm, the other end of the pedal arm is hinged to the pedal support, the pedal arm is of a hollow structure, and the cross sectional area of the pedal arm is gradually reduced from the pedal support to the pedal pad.

2. The brake pedal of claim 1 wherein said pedal pad includes a pedal plate fixedly connected to said one end of said pedal arm and a pedal pad disposed on a top surface of said pedal plate.

3. The brake pedal of claim 2 wherein said pedal pad has a plurality of raised points on a surface thereof, said raised points being cylindrical.

4. The brake pedal of claim 2 wherein the connection of the pedal pad to the pedal plate is a snap fit.

5. The brake pedal of claim 3 wherein said pedal is made of metal and said pedal pad is made of polyvinyl chloride.

6. The brake pedal of claim 1 wherein said pedal bracket is provided with a travel sensor mounting point and a brake switch bracket mounting point, said sensor mounting point and said brake switch bracket mounting point being injection molded integrally with said pedal bracket.

7. The brake pedal of claim 6 wherein the pedal bracket is made of nylon or resin.

8. The brake pedal of claim 7 wherein the pedal support is of box-type construction and has a wall thickness of 2mm to 2.4 mm.

9. The brake pedal of claim 1 wherein said pedal arm is of arcuate strip configuration, said pedal arm having a strip hollow slot in the center thereof, said pedal arm having a wall thickness of 2.1-2.5 mm.

10. The brake pedal of claim 1 wherein said pedal arm is formed of metal.

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