Automobile brake pedal assembly

Abstract

The utility model discloses an automobile brake pedal assembly, which relates to the technical field of automobile brakes and comprises side supports arranged oppositely, two ends of each side support are respectively provided with a bottom plate and an upper support, a brake pedal arm is arranged between the two side supports, the brake pedal arm is hinged with the side supports, and the upper support is hinged with the side supports. A brake switch support is arranged on the brake pedal arm, an elastic cushion is arranged on the brake switch support, and an angle sensor is arranged on the side support. The brake pedal arm is elastically protected through the elastic pad on the brake switch support, damage caused by direct contact between the brake pedal arm and the upper support is prevented, the collision sound generated when the brake pedal arm is reset is lower, and the angle sensor arranged on the side support detects the rotation angle of the brake pedal arm, so that the brake pedal arm is prevented from being damaged. Therefore, the swing stroke of the brake pedal arm is detected, and the pedal stroke interval can be accurately divided.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile brake, especially relates to automobile brake pedal assembly. BACKGROUND

[0002] At present, the brake pedal assembly cannot accurately define the pedal stroke, and the brake pedal assembly collides with the brake switch when rebounding quickly, and the collision sound of metal and plastic is loud. The basic components of the brake pedal assembly include an upper support, a pin shaft, a return spring, an outer sleeve, a bushing, a brake switch support, a brake pedal arm, a bottom plate, a brake pedal pad, a brake pedal, a left support, a right support, a spring bushing, a shaft sleeve, a cylindrical pin, a projection welding nut, a sensor, a sensor support and a buffer pad. At present, there is no angle sensor on the brake pedal assembly, and the pedal stroke cannot be parameterized. Only the reaction force of the pedal can be perceived by the foot to estimate the size of the force, and the number of sensing strokes can be simulated, but different people have different feelings about the force, resulting in differences in pedal stroke. In addition, the lever principle of the pedal itself causes greater errors.

[0003] The utility model discloses a brake pedal with angle sensor discloses a brake pedal with angle sensor, and aims at solving the technical problem that the existing brake energy recovery device structure is complex and performance is not reliable. Adopt the following technical scheme: including base, the base is welded with left support, right support, left support and right support jointly install and fix a axle, still include pedal arm, pedal arm is located between left and right support, and the one end of pedal arm is hinged on the axle, and the other end is welded with pedal, the axle still is equipped with reset torsional spring, and the middle part of pedal arm is fixed with a linkage pin, still include angle sensor, angle sensor includes sensor main part and section arm, sensor main part is fixed on the outside surface of left support, section arm is fork type and is linked with pin and is placed in the fork groove of section arm, still include upper limit piece and lower limit piece, upper limit piece is equipped with the limiting portion that is located the upper of pedal arm, and lower limit piece is the strip structure that is fixed between left support and right support. The brake assembly disclosed in the above is used in the use, and the pedal arm is directly contacted with the section arm, and the pedal arm and the section arm are easy to be damaged after long-term use, and the service life of the brake assembly is low. SUMMARY

[0004] The utility model discloses a brake pedal assembly of automobile with higher service life, which is characterized by the elastic pad arranged on the brake switch support for elastically protecting the brake pedal arm to prevent the brake pedal arm from being damaged by directly contacting with the upper support.

[0005] To achieve the above objectives, the technical solution adopted by this utility model to solve its technical problem is: an automobile brake pedal assembly, including side brackets arranged opposite to each other, with a base plate and an upper bracket respectively provided at both ends of the two side brackets, a brake pedal arm provided between the two side brackets, the brake pedal arm being hinged to the side brackets, a brake switch bracket provided on the brake pedal arm, an elastic pad provided on the brake switch bracket, and an angle sensor provided on the side brackets.

[0006] The elastic pad and angle sensor are respectively installed on both sides of the brake pedal arm.

[0007] The brake pedal arm is connected to two side brackets via a pin, and a return torsion spring is provided on the pin.

[0008] One end of the return torsion spring abuts against the brake pedal arm, and the other end of the return torsion spring is engaged with the upper bracket. The upper bracket is provided with a mounting hole for engaging with the return torsion spring.

[0009] The side bracket is provided with a mounting base, and the angle sensor is installed in the mounting base. The angle sensor is flush with the axis of the pin.

[0010] The side support is provided with a contact plate that mates with the elastic pad.

[0011] The switch bracket is provided with a connecting plate, which is snapped into an elastic pad.

[0012] The elastic pad is provided with a conical block that engages with the connecting plate.

[0013] The beneficial effects of this utility model are:

[0014] The brake pedal arm is elastically protected by the elastic pad on the brake switch bracket to prevent the brake pedal arm from directly contacting the upper bracket and causing damage. The collision noise when the brake pedal arm resets is also lower. The angle sensor set on the side bracket detects the rotation angle of the brake pedal arm, thereby detecting the swing stroke of the brake pedal arm and accurately dividing the pedal stroke range.

[0015] The side bracket is equipped with a mounting base, and the angle sensor is installed inside the mounting base. The angle lever is flush with the axis of the pin, so that the angle sensor can detect the rotation of the pin on the side bracket, and thus accurately detect the angular displacement of the brake pedal arm. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of the automobile brake pedal assembly of this utility model.

[0017] Figure 2 for Figure 1 Side view.

[0018] Figure 3 For Figure 1 Partial enlarged structural schematic view of angle sensor.

[0019] Figure 4 For Figure 1 Partial enlarged structural schematic view of elastic pad.

[0020] In the drawing: 1 - bottom plate, 2 - upper support, 3 - side support, 4 - brake pedal arm, 5 - pin shaft, 6 - reset torsion spring, 7 - mounting seat, 8 - angle sensor, 9 - brake switch support, 10 - elastic pad, 1001 - conical block. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the following will be further described in detail in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model, and are not used to limit the utility model.

[0022] The specific implementation of the utility model will be described in detail in combination with specific examples.

[0023] As Figure 1 shown, the automobile brake pedal assembly, including opposite side support 3, two side support 3 both ends are respectively provided with bottom plate 1 and upper support 2, two side support 3 between the brake pedal arm 4 is equipped with, brake pedal arm 4 and side support 3 are hinged, brake pedal arm 4 is equipped with brake switch support 9, brake switch support 9 is equipped with elastic pad 10, side support 3 is equipped with angle sensor 8, in the embodiment, the bottom of two side support 3 is connected with bottom plate 1 through bolt, and upper support 2 is connected with the upper end of two side support 3 through bolt, in the embodiment, the middle position on bottom plate 1 is provided with through hole, and side support 3 is also provided with through hole, and the through hole is arranged to reduce the weight of bottom plate 1 and side support 3.

[0024] When using, the driver steps on brake pedal arm 4 and turns over so that the brake switch on brake switch support 9 performs brake work, when brake pedal arm 4 resets, the elastic pad 10 on brake switch support 9 is used to protect brake pedal arm 4 elastically, to prevent brake pedal arm 4 from being damaged by directly contacting upper support 2, and the collision sound when brake pedal arm 4 resets is lower, and the angle sensor 8 arranged on side support 3 detects the rotation angle of brake pedal arm 4, and then detects the swing stroke of brake pedal arm 4, so that the pedal stroke interval can be accurately divided.

[0025] The elastic pad 10 and the angle sensor 8 are arranged on the two sides of the brake pedal arm 4 respectively, so that the angle sensor 8 and the brake switch bracket 9 are arranged on the left and right side brackets 3 respectively, so that the wire harness on the angle sensor 8 does not hinder the brake switch, thereby ensuring the normal operation of the automobile brake pedal. In the embodiment, the elastic pad 10 is arranged on the left side of the brake pedal arm 4, and the angle sensor 8 is arranged on the rightmost side of the brake pedal arm 4.

[0026] The brake pedal arm 4 is connected with the two side brackets 3 through the pin shaft 5, the pin shaft 5 is provided with the return torsional spring 6, the rotation of the brake pedal arm 4 on the two side brackets 3 is realized through the pin shaft 5, and the reset work after the rotation of the brake pedal arm 4 is realized through the arrangement of the return torsional spring 6.

[0027] Specifically, one end of the return torsional spring 6 abuts against the brake pedal arm 4, and the other end of the return torsional spring 6 is clamped with the upper bracket 2. The upper bracket 2 is provided with a mounting hole 12 for clamping the return torsional spring 6. When the brake pedal arm 4 is rotated, the end of the return torsional spring 6 abutting against the brake pedal arm 4 is rotated, so that the return torsional spring 6 is rotated and stored. After the force of the foot is not applied to the brake pedal arm 4, the return torsional spring 6 works to reset the brake pedal arm 4. The stable connection of the return torsional spring 6 and the upper bracket 2 is realized through the mounting hole 12 on the upper bracket 2, thereby ensuring the stable installation of the return torsional spring 6 sleeved on the pin shaft 5.

[0028] Referring to Figure 3 , the side bracket 3 is provided with a mounting seat 7, and the angle sensor 8 is arranged in the mounting seat 7. The angle sensor 8 is flush with the axis of the pin shaft 5, so that the angle sensor 8 detects the rotation of the pin shaft 5 on the side bracket 3, thereby accurately detecting the angular displacement of the rotation of the brake pedal arm 4, so as to control the stroke, time and master cylinder pressure of the brake pedal arm 4 to improve the energy recovery comfort.

[0029] Referring to Figure 4 , the side bracket 3 is provided with a contact plate 13 matched with the elastic pad 10. The contact plate 13 contacts with the elastic pad 10, so as to ensure that the elastic pad 10 stably performs the elastic protection work. Specifically, the contact plate 13 is integrally formed with the side bracket 3, and the contact plate 13 is L-shaped. The reinforcing ribs are arranged at the edge of the contact plate 13, so as to increase the strength of the contact plate 13.

[0030] The switch bracket 9 is provided with a connecting plate 14, and the connecting plate 14 is clamped with the elastic pad 10, thereby realizing the convenient disassembly and assembly of the elastic pad 10 on the switch bracket 9. In the embodiment, the connecting plate 14 is integrally formed with the switch bracket 9, and the connecting plate 14 is L-shaped.

[0031] The elastic pad 10 is provided with a conical block 1001 for clamping with the connecting plate 14, and the connecting plate 14 is provided with a buckle for clamping with the conical block 1001, thereby ensuring convenient dismounting of the elastic pad 10 on the connecting plate 14, and the conical block 1001 of the elastic pad 10 is towards one side of the pedal brake swing arm 4.

[0032] The above merely describes the preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A brake pedal assembly of an automobile, comprising oppositely arranged side brackets (3), a bottom plate (1) and an upper bracket (2) respectively arranged at two ends of each of the side brackets (3), and a brake pedal arm (4) arranged between the side brackets (3), the brake pedal arm (4) being hingedly connected with the side brackets (3), characterized in that, The brake pedal arm (4) is provided with a brake switch bracket (9), the brake switch bracket (9) is provided with an elastic pad (10), and the side bracket (3) is provided with an angle sensor (8).

2. The automotive brake pedal assembly of claim 1, wherein, The elastic pad (10) and the angle sensor (8) are respectively arranged on the two sides of the brake pedal arm (4).

3. The automotive brake pedal assembly of claim 1, wherein, The brake pedal arm (4) is connected with the two side brackets (3) through a pin shaft (5), and the pin shaft (5) is provided with a return torsional spring (6).

4. The automotive brake pedal assembly of claim 3, wherein, One end of the return torsional spring (6) abuts against the brake pedal arm (4), and the other end of the return torsional spring (6) is clamped with the upper bracket (2), and the upper bracket (2) is provided with a mounting hole (12) clamped with the return torsional spring (6).

5. The automotive brake pedal assembly of claim 3, wherein, The side bracket (3) is provided with a mounting seat (7), the angle sensor (8) is arranged in the mounting seat (7), and the angle sensor (8) is flush with the axis of the pin shaft (5).

6. The automotive brake pedal assembly of any one of claims 1-5, wherein, The side bracket (3) is provided with a contact plate (13) matched with the elastic pad (10).

7. The automotive brake pedal assembly of claim 6, wherein, The brake switch bracket (9) is provided with a connecting plate (14), and the connecting plate (14) is clamped with the elastic pad (10).

8. The automotive brake pedal assembly of claim 7, wherein, The elastic pad (10) is provided with a tapered block (1001) clamped with the connecting plate (14).

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