阅读说明：本技术 一种用于解决制动灯开关运动异响的制动踏板装置 (Brake pedal device for solving abnormal sound of brake lamp switch movement ) 是由 崔振 聂晓文 蔡静 于 2021-09-14 设计创作，主要内容包括：本发明公开了一种用于解决制动灯开关运动异响的制动踏板装置,该装置包括架体,架体通过销轴连接有制动踏板臂,制动踏板臂上固定有制动灯开关支撑支架；架体上设置有制动灯开关安装支架,制动灯开关安装支架上安装有制动灯开关,制动灯开关包括连接的制动灯开关主体和制动灯开关支撑杆；其中制动灯开关支撑杆在伸缩运动过程中始终与制动灯开关支撑支架紧密接触,制动灯开关支撑支架的与制动灯开关支撑杆接触的部位为弧面结构,使得制动灯开关支撑杆在伸缩运动过程始终与制动灯开关支撑支架的接触面垂直。本发明消除了制动灯开关在制动灯开关支撑杆移动过程中产生的异响。(The invention discloses a brake pedal device for solving abnormal sound of brake lamp switch movement, which comprises a frame body, wherein the frame body is connected with a brake pedal arm through a pin shaft, and a brake lamp switch supporting bracket is fixed on the brake pedal arm; the frame body is provided with a brake lamp switch mounting bracket, the brake lamp switch mounting bracket is provided with a brake lamp switch, and the brake lamp switch comprises a brake lamp switch main body and a brake lamp switch supporting rod which are connected; the stop lamp switch support rod is in close contact with the stop lamp switch support bracket all the time in the telescopic motion process, and the part of the stop lamp switch support bracket in contact with the stop lamp switch support rod is of an arc surface structure, so that the stop lamp switch support rod is perpendicular to the contact surface of the stop lamp switch support bracket all the time in the telescopic motion process. The invention eliminates abnormal sound generated by the brake lamp switch in the process of moving the brake lamp switch supporting rod.)

1. The utility model provides a brake pedal device for solving brake light switch motion abnormal sound which characterized in that: the device comprises a frame body, wherein the frame body is connected with a brake pedal arm through a pin shaft, and a brake lamp switch supporting bracket is fixed on the brake pedal arm; the frame body is provided with a brake lamp switch mounting bracket, the brake lamp switch mounting bracket is provided with a brake lamp switch, and the brake lamp switch comprises a brake lamp switch main body and a brake lamp switch supporting rod which are connected;

the stop lamp switch support rod is in close contact with the stop lamp switch support bracket all the time in the telescopic motion process, and the part of the stop lamp switch support bracket in contact with the stop lamp switch support rod is of an arc surface structure, so that the stop lamp switch support rod is perpendicular to the contact surface of the stop lamp switch support bracket all the time in the telescopic motion process.

2. The brake pedal device for resolving abnormal noise of a brake light switch according to claim 1, wherein: the characteristic curve equation corresponding to the arc line formed by the section of the cambered surface structure is as follows:

wherein y is a vertical coordinate value, x is a horizontal coordinate value, and β is: the connecting line of the contact point of the brake lamp switch support rod and the brake lamp switch support bracket and the axis of the pin shaft, the rotation angle L in the rotation process of the brake pedal arm_OAComprises the following steps: the distance between the contact point of the brake lamp switch support rod and the brake lamp switch support bracket and the axis of the pin shaft is alpha: the contact point of the stop lamp switch support rod and the stop lamp switch support bracket at the initial position is connected with the axis of the pin shaft, and the included angle is formed between the contact point and the axis of the stop lamp switch support rod.

3. A braking system, characterized by: the system comprises a brake pedal device for solving the abnormal noise of the movement of the brake light switch according to any one of claims 1-2.

4. An automobile, characterized in that: the automobile comprises the brake pedal device for solving the abnormal noise of the movement of the brake light switch according to any one of claims 1-2.

Technical Field

The invention relates to the field of brake pedal structures, in particular to a brake pedal device for solving abnormal sound of brake lamp switch movement.

Background

Referring to fig. 1 and 2, in the prior art, a brake light switch support bracket contacting a brake light switch support rod is a plane, and when a brake pedal is not stepped on, the brake light switch support rod only receives an axial force parallel to a brake light switch axis; in the process of stepping on the brake pedal, when the brake lamp switch support frame moves circularly along with the brake pedal arm to wind the brake pedal pin shaft, the lower end of the brake lamp switch is simultaneously acted by axial force and lateral force, and under the action of the lateral force, the brake lamp switch support rod and the brake lamp switch main body are easy to scratch and generate a creaking abnormal sound.

Disclosure of Invention

The invention aims to provide a brake pedal device for solving abnormal noise of a brake lamp switch during movement, so that abnormal noise of the brake lamp switch when a driver uses a brake pedal is avoided.

In order to solve the technical problem, the invention provides a technical scheme that: a brake pedal device for solving abnormal noise of brake lamp switch movement comprises a frame body, wherein the frame body is connected with a brake pedal arm through a pin shaft, and a brake lamp switch supporting bracket is fixed on the brake pedal arm; the frame body is provided with a brake lamp switch mounting bracket, a brake lamp switch is mounted on the brake lamp switch mounting bracket, and the brake lamp switch comprises a brake lamp switch main body and a brake lamp switch supporting rod which are connected, so that the brake lamp switch supporting rod is always vertical to a contact surface of the brake lamp switch supporting bracket in the telescopic motion process;

the stop lamp switch support rod is always in close contact with the stop lamp switch support bracket in the telescopic motion process, and the part of the stop lamp switch support bracket in contact with the stop lamp switch support rod is of an arc surface structure.

According to the scheme, the characteristic curve equation corresponding to the arc line formed by the section of the cambered surface structure is as follows:

wherein y is a vertical coordinate value, x is a horizontal coordinate value, and β is: the connecting line of the contact point of the brake lamp switch support rod and the brake lamp switch support bracket and the axis of the pin shaft, the rotation angle L in the rotation process of the brake pedal arm_OAComprises the following steps: brake lamp switchThe distance between the contact point of the support rod and the brake lamp switch support bracket and the axis of the pin shaft is alpha: the contact point of the stop lamp switch support rod and the stop lamp switch support bracket at the initial position is connected with the axis of the pin shaft, and the included angle is formed between the contact point and the axis of the stop lamp switch support rod.

A braking system comprising a brake pedal assembly as hereinbefore described for addressing brake light switch movement squeak.

An automobile, characterized in that: the automobile comprises the brake pedal device for solving the abnormal noise of the movement of the brake light switch.

The invention has the beneficial effects that: through the adoption of the brake lamp switch supporting bracket with the cambered surface structure, the brake lamp switch supporting rod is perpendicular to the contact surface of the brake lamp switch supporting bracket all the time in the telescopic motion process, and then only axial supporting force is received, so that abnormal sound caused by lateral force is avoided.

Drawings

FIG. 1 is a schematic diagram of a prior art brake pedal;

FIG. 2 is a schematic diagram of the movement stress of a switch support rod of a brake light in the prior art;

FIG. 3 is a schematic view of the movement stress of the switch support rod of the stop lamp according to an embodiment of the present invention;

FIG. 4 is a schematic view of a stop lamp switch support bracket according to an embodiment of the invention;

FIG. 5 is a schematic view of a characteristic curve of a cambered surface structure of a stop lamp switch support bracket according to an embodiment of the present invention;

fig. 6 is a schematic diagram of the influence factors of the arc surface structural characteristic equation of the stop lamp switch support bracket according to the embodiment of the invention.

In the figure: 1-brake lamp switch, 2-brake lamp switch mounting bracket, 3-brake lamp switch support rod, 4-brake lamp switch support bracket, 5-brake pedal arm, 6-pin shaft, 301-brake lamp switch support rod initial position, 302-brake lamp switch support rod post-movement position, 401-brake lamp switch support bracket initial position, 402-brake lamp switch support bracket post-movement position.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present disclosure more apparent, the technical solutions of the embodiments of the present disclosure will be described clearly and completely with reference to the drawings of the embodiments of the present disclosure. It is to be understood that the described embodiments are only a few embodiments of the present disclosure, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the disclosure without any inventive step, are within the scope of protection of the disclosure.

Referring to fig. 3 and 4, the brake pedal device for solving the abnormal sound of the brake lamp switch movement comprises a frame body, wherein the frame body is connected with a brake pedal arm 5 through a pin shaft 6, and a brake lamp switch supporting bracket 4 is fixed on the brake pedal arm 5; the frame body is provided with a brake lamp switch mounting bracket 2, a brake lamp switch 1 is mounted on the brake lamp switch mounting bracket 2, and the brake lamp switch 1 comprises a brake lamp switch main body and a brake lamp switch supporting rod 3 which are connected;

wherein stop lamp switch bracing piece 3 all the time with stop lamp switch support holder 4 in close contact with in the concertina movement process, the position of stop lamp switch support holder 4 and stop lamp switch bracing piece 3 contact is the cambered surface structure for stop lamp switch bracing piece 3 is perpendicular with the contact surface of stop lamp switch support holder 4 all the time in the concertina movement process.

Further, referring to fig. 5 and 6, the characteristic curve equation corresponding to the arc line formed by the section of the arc-shaped surface structure is as follows:

wherein y is a vertical coordinate value, x is a horizontal coordinate value, and β is: the contact point of the brake lamp switch support rod 3 and the brake lamp switch support bracket 4 is connected with the axis of the pin shaft 6, and the rotation angle L in the rotation process of the brake pedal arm 5_OAComprises the following steps: the distance between the contact point of the braking lamp switch support rod 3 and the braking lamp switch support bracket 4 and the axis of the pin shaft 6 is as follows: brake lamp switch support rod 3 and brake at initial positionThe contact point of the movable lamp switch support bracket 4 is connected with the axis of the pin shaft 6, and forms an included angle with the axis of the brake lamp switch support rod 3.

When the stop lamp switch support bracket 4 is moved from the stop lamp switch support bracket initial position 401 to the stop lamp switch support bracket moved rear position 402, and the stop lamp switch support rod 3 is moved from the stop lamp switch support rod initial position 301 to the stop lamp switch support rod moved rear position 302, the stop lamp switch support rod 3 always receives only the axial supporting force from the stop lamp switch support bracket 4.

A braking system comprising a brake pedal assembly as hereinbefore described for addressing brake light switch movement squeak.

An automobile comprising a brake pedal device as described above for addressing brake light switch movement squeak.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.