Suspension compact type brake pedal assembly
By using a suspended brake pedal assembly, the pedal is suspended from the vehicle chassis, solving the problem of floor holes in traditional designs, improving aesthetics and space utilization, while simplifying production and maintenance.
Patent Information
- Application Number
- CN202520487652.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-19
- Publication Date
- 2026-01-13
- Estimated Expiration
- 2035-03-19
AI Technical Summary
The existing brake pedal assembly is fixed to the gearbox, which requires a long hole to be left in the cab floor, affecting aesthetics and space utilization.
The brake pedal assembly is directly suspended from the vehicle chassis via a fixed bracket assembly. The brake movable bracket and the micro-movement movable bracket are pivotally connected via a pin assembly, and the pedal part is located above the cab floor.
It maintained the integrity and aesthetics of the cab floor, reduced space occupation, simplified production processes, and improved maintenance convenience.
Smart Images

Figure CN223791467U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to brake pedal technical field, more specifically, the utility model relates to a suspension compact brake pedal assembly. BACKGROUND
[0002] The brake pedal assembly is the key control component in engineering machinery vehicles, especially special vehicles such as forklifts, and is mainly used for realizing the deceleration and stop of the vehicle through the driver's treading operation. A complete brake pedal assembly usually includes a fixed support, a pedal, a rotating bearing, a brake pump, a brake oil cup and related connecting and transmission devices. Its working principle is to convert the treading force of the driver into mechanical force, and then convert the mechanical force into hydraulic pressure by the brake pump, and finally transmit to the brake actuator of the vehicle to realize the brake function of the vehicle. As an important interface of human-computer interaction, the design of the brake pedal assembly directly affects the control performance of the vehicle and the use experience of the driver.
[0003] At present, the brake pedal assembly of some forklifts is fixed on the gearbox below the floor of the cab, and the pedal part is above the floor of the cab. The floor needs to reserve a long hole to avoid the pedal support, which affects the appearance. This traditional design method makes the floor of the cab have to be provided with a through hole, which destroys the integrity of the floor and affects the overall appearance.
[0004] In view of the above-mentioned deficiencies in the prior art, it is necessary to develop a new brake pedal assembly which can maintain the integrity of the floor of the cab, improve the appearance, realize compact structure and reduce the occupied space, so as to improve the use performance and user experience of the engineering machinery vehicle. UTILITY MODEL CONTENTS
[0005] In order to overcome the above-mentioned defects of the prior art, the utility model provides a suspension compact brake pedal assembly, which adopts a suspension design, so that the brake pedal assembly is directly suspended and fixed on the vehicle chassis through the fixed support assembly, and the brake movable support and the brake micro-motion movable support are pivotally connected to the fixed support assembly through the pin shaft assembly, so that the pedal part is completely located above the floor of the cab. The technical scheme solves the problem that the brake pedal assembly is fixed on the gearbox in the prior art, which results in that the floor needs to reserve a long hole to avoid the pedal support, and affects the appearance. The utility model has compact structure, small occupied space, simple manufacturing and convenient maintenance.
[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme:
[0007] A suspension compact brake pedal assembly, comprising: a fixed support assembly; a pin shaft assembly mounted on the fixed support assembly; a brake movable support pivoted to the fixed support assembly through the pin shaft assembly; a brake micro-movable support pivoted to the fixed support assembly through the pin shaft assembly; a torsion spring one having one end connected to the fixed support assembly and the other end connected to the brake micro-movable support; a torsion spring two having one end connected to the fixed support assembly and the other end connected to the brake movable support; an adjusting bolt connected to the brake micro-movable support through a connecting piece; an adjusting nut connected to the fixed support assembly and the brake micro-movable support and matched with the adjusting bolt; a brake light switch mounted on the fixed support assembly; a pedal rubber pad mounted on the brake movable support and the brake micro-movable support; a brake pump assembly mounted on the fixed support assembly and connected to the movable end of the brake micro-movable support; a brake oil cup designed integrally with the brake pump assembly; an oil cup fixing clamp mounted on the fixed support assembly and fixing the brake oil cup; a rubber tube having one end connected to the brake pump assembly and the other end connected to the brake oil cup; and a grease nipple mounted on the pin shaft assembly.
[0008] As a further scheme of the present utility model, the fixed support assembly is used for integrally fixing the brake pedal assembly and connecting the vehicle chassis.
[0009] As a further scheme of the present utility model, the pin shaft assembly is used for enabling the brake movable support and the brake micro-movable support to rotate around the shaft.
[0010] As a further scheme of the present utility model, the torsion spring one and the torsion spring two are used for enabling the brake pedal to automatically return to the initial state when the driver releases the foot.
[0011] As a further scheme of the present utility model, the adjusting bolt and the adjusting nut are used for adjusting the height of the brake movable support and the brake micro-movable support, and the adjusting bolt is also used for adjusting the initial position of the brake movable support and the brake light switch.
[0012] As a further scheme of the present utility model, the brake light switch is used for sending an electronic signal to the brake light when the pedal is stepped on.
[0013] As a further scheme of the utility model, the brake movable support and the brake micro-motion movable support are used for transmitting torque to the movable end of the brake pump assembly when the driver steps on the pedal rubber pad; the brake pump assembly converts the transmitted mechanical energy into pressure energy of hydraulic oil and evenly distributes it into two-way output.
[0014] As a further scheme of the utility model, the brake oil cup is used for storing brake fluid, and the brake oil cup is fixed by the oil cup fixing clamp.
[0015] As a further scheme of the utility model, the rubber tube is used for transmitting brake fluid.
[0016] As a further scheme of the utility model, the grease nipple is used for injecting lubricating grease into the pin shaft assembly.
[0017] As a further scheme of the utility model, the suspension compact brake pedal assembly is firstly stably suspended and installed on the vehicle chassis through the fixed support assembly, without needing to open a through hole on the cab floor, so that the integrity and the aesthetics of the floor are maintained. The brake movable support and the brake micro-motion movable support form a pivot joint structure with the fixed support assembly through the pin shaft assembly, and can freely rotate around the shaft. To ensure smooth operation of the bearing part, the grease nipple is installed on the pin shaft assembly, and lubricating grease can be injected regularly. The torsion spring one and the torsion spring two are connected with the fixed support assembly and the brake micro-motion movable support and the fixed support assembly and the brake movable support respectively, and these torsion springs can automatically maintain the pedal at the initial position when no external force is applied.
[0018] The design of the adjusting bolt and the adjusting nut allows the operator to accurately adjust the height of the brake movable support and the brake micro-motion movable support, and also adjusts the initial position relationship between the brake movable support and the brake lamp switch. The pedal rubber pad is installed on the pedal surface of the brake movable support and the brake micro-motion movable support, providing a comfortable stepping experience for the driver.
[0019] As a further scheme of the utility model, when the driver steps on the pedal rubber pad, the brake movable support and the brake micro-motion movable support simultaneously produce rotary motion around the pin shaft assembly. The movable end of the brake micro-motion movable support directly pushes the movable end of the brake pump assembly connected thereto, converting the stepping force into mechanical force; at the same time, the brake movable support touches the brake lamp switch fixed on the fixed support assembly, activates the switch and sends an electronic signal to the vehicle circuit, lights up the brake lamp and reminds the rear vehicle. The mechanical force received by the brake pump assembly is immediately converted into hydraulic energy, pressurizes and evenly distributes the brake fluid stored in the brake oil cup into two-way output, and is transmitted to the brake actuator of the vehicle, so as to realize the deceleration or stop of the vehicle.
[0020] As a further scheme of the utility model, the brake oil cup and the brake pump assembly adopt integrated design, and are fixed on the fixed support assembly firmly through the oil cup fixing clamp, so that the stability of the whole hydraulic system is ensured. When the driver releases the pedal, the elastic force of the torsional spring one and the torsional spring two makes the brake micro-motion movable support and the brake movable support quickly return to the initial position, the brake lamp switch is disconnected, the brake lamp is extinguished, the brake pump assembly also returns to the initial state, the whole system pressure is released, and a complete brake-release cycle is completed.
[0021] Compared with the prior art, the utility model has the beneficial effects of a suspension compact brake pedal assembly in that:
[0022] The suspension compact brake pedal assembly of the utility model is directly suspended on the vehicle chassis through the innovative suspension design, the brake movable support and the brake micro-motion movable support are pivotally connected with the fixed support assembly through the pin shaft assembly, and the pedal part is completely located above the cab floor. Compared with the prior art, the utility model has obvious advantages. First, the suspension design eliminates the need for an opening in the cab floor, maintaining the integrity and aesthetics of the floor. Moreover, the compact structure significantly reduces the space occupied by the brake assembly, providing greater flexibility for interior space layout in the cab. Furthermore, the simple structure design reduces the complexity of the production process, reduces the processing procedures, and thus reduces the production cost. Finally, all components are easily accessible, maintenance is more convenient, and the post-maintenance efficiency is improved. In the prior art, the brake pedal assembly is fixed on the gearbox, which not only requires a long hole to be reserved on the floor, affecting the aesthetics, but also causes space waste and maintenance difficulties. BRIEF DESCRIPTION OF DRAWINGS
[0023] Figure 1 The utility model discloses a suspension compact brake pedal assembly structure schematic view.
[0024] Figure 2 The utility model discloses a suspension compact brake pedal assembly upper view.
[0025] Figure 3 The utility model discloses a suspension compact brake pedal assembly rear view. DETAILED DESCRIPTION
[0026] The technical solutions in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model. EMBODIMENT
[0027] A suspension compact brake pedal assembly, comprising: a fixed support assembly 1; a pin shaft assembly 3 installed on the fixed support assembly 1; a brake movable support 9 pivoted with the fixed support assembly 1 through the pin shaft assembly 3; a brake micro-motion movable support 15 pivoted with the fixed support assembly 1 through the pin shaft assembly 3; a torsion spring 1 4, one end of which is connected with the fixed support assembly 1 and the other end of which is connected with the brake micro-motion movable support 15; a torsion spring 2 8, one end of which is connected with the fixed support assembly 1 and the other end of which is connected with the brake movable support 9; an adjusting bolt 6 connected with the brake micro-motion movable support 15 through a connecting piece; an adjusting nut 5 connected with the fixed support assembly 1 and the brake micro-motion movable support 15 and matched with the adjusting bolt 6; a brake lamp switch 7 installed on the fixed support assembly 1; a pedal rubber pad 10 installed on the brake movable support 9 and the brake micro-motion movable support 15; a brake pump assembly 14 installed on the fixed support assembly 1 and connected with a movable end of the brake micro-motion movable support 15; a brake oil cup 11 designed integrally with the brake pump assembly 14; an oil cup fixing clamp 12 installed on the fixed support assembly 1 and fixing the brake oil cup 11; a rubber pipe 13, one end of which is connected with the brake pump assembly 14 and the other end of which is connected with the brake oil cup 11; and a grease nipple 2 installed on the pin shaft assembly 3.
[0028] The fixed support assembly 1 is used for fixing the brake pedal assembly integrally and connecting a vehicle chassis.
[0029] The pin shaft assembly 3 is used for rotating the brake movable support 9 and the brake micro-motion movable support 15 around a shaft.
[0030] The torsion spring 1 4 and the torsion spring 2 8 are used for automatically returning the brake pedal to an initial state when a driver releases the foot.
[0031] The adjusting bolt 6 and the adjusting nut 5 are used for adjusting the height of the brake movable support 9 and the brake micro-motion movable support 15, and the adjusting bolt 6 is also used for adjusting the initial position of the brake movable support 9 and the brake lamp switch 7.
[0032] The brake lamp switch 7 is used for sending an electronic signal to a brake lamp when a pedal is stepped on.
[0033] In this embodiment of the present invention, the brake movable bracket 9 and the brake micro-motion movable bracket 15 are used to transmit torque to the movable end of the brake pump assembly 14 when the driver steps on the pedal rubber pad 10; the brake pump assembly 14 converts the transmitted mechanical energy into the pressure energy of hydraulic oil and distributes it equally into two outputs.
[0034] The brake fluid cup 11 in this embodiment of the present invention is used to store brake fluid, and the brake fluid cup 11 is fixed by the cup fixing clip 12.
[0035] The hose 13 in this embodiment of the present invention is used to transmit brake fluid.
[0036] In this embodiment of the invention, the grease nipple 2 is used to inject lubricating grease into the pin assembly 3. Example
[0037] like Figure 1 As shown, the compact brake pedal assembly in this embodiment is first securely suspended on the vehicle chassis via a fixed bracket assembly 1, eliminating the need for through holes in the cab floor and thus maintaining the integrity and aesthetics of the floor. The brake movable bracket 9 and the brake micro-motion movable bracket 15 are pivotally connected to the fixed bracket assembly 1 via a pin assembly 3, allowing free rotation around the axis. To ensure smooth operation of the bearing components, a grease nipple 2 is installed on the pin assembly 3 for periodic lubrication. Torsion springs 4 and 8 connect the fixed bracket assembly 1 to the brake micro-motion movable bracket 15 and the fixed bracket assembly 1 to the brake movable bracket 9, respectively. These torsion springs automatically maintain the pedal in its initial position when no external force is applied.
[0038] The design of the adjusting nut 5 and adjusting bolt 6 in this embodiment allows the operator to precisely adjust the height of the brake movable bracket 9 and the brake micro-motion movable bracket 15, and also adjusts the initial positional relationship between the brake movable bracket 9 and the brake light switch 7. A pedal rubber pad 10 is installed on the pedal surface of the brake movable bracket 9 and the brake micro-motion movable bracket 15, providing the driver with a comfortable pedaling experience.
[0039] When the driver steps on the pedal rubber pad 10, the brake movable support 9 and the brake micro-movable support 15 rotate simultaneously around the pin shaft assembly 3. The movable end of the brake micro-movable support 15 directly pushes the movable end of the brake pump assembly 14 connected thereto, converting the stepping force into mechanical force; at the same time, the brake movable support 9 touches the brake light switch 7 fixed on the fixed support assembly 1, activates the switch and sends an electronic signal to the vehicle circuit, lights up the brake light, and reminds the rear vehicle. The mechanical force received by the brake pump assembly 14 is immediately converted into hydraulic energy, pressurizes and uniformly distributes the brake liquid stored in the brake oil cup 11 through the rubber pipe 13, and transmits to the brake actuator of the vehicle, so as to realize the deceleration or stop of the vehicle.
[0040] The brake oil cup 11 and the brake pump assembly 14 in the embodiment of the utility model are designed in an integrated manner, and are firmly fixed on the fixed support assembly 1 through the oil cup fixing clamp 12, so as to ensure the stability of the entire hydraulic system. When the driver releases the pedal, the elastic force of the torsion spring one 4 and the torsion spring two 8 quickly restores the brake micro-movable support 15 and the brake movable support 9 to the initial position, the brake light switch 7 is disconnected, the brake light is turned off, the brake pump assembly 14 also returns to the initial state, and the pressure of the entire system is released, completing a complete brake-releasing cycle.
[0041] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any person skilled in the art can easily think of changes or replacements within the technical range disclosed in the present application, which should be included in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.
[0042] Finally: the above is only a preferred embodiment of the utility model, and is not used to limit the utility model, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model should be included in the protection scope of the utility model.
Claims
1. A suspended compact brake pedal assembly characterized by, The utility model relates to a brake pedal assembly, comprising: a fixed support assembly (1); a pin shaft assembly (3) mounted on the fixed support assembly (1); a brake movable support (9) pivoted to the fixed support assembly (1) through the pin shaft assembly (3); a brake micro-movable support (15) pivoted to the fixed support assembly (1) through the pin shaft assembly (3); a torsion spring I (4) having one end connected to the fixed support assembly (1) and the other end connected to the brake micro-movable support (15); a torsion spring II (8) having one end connected to the fixed support assembly (1) and the other end connected to the brake movable support (9); an adjusting bolt (6) connected to the brake micro-movable support (15) through a connecting piece; an adjusting nut (5) connected to the fixed support assembly (1) and the brake micro-movable support (15) and cooperating with the adjusting bolt (6); a brake light switch (7) mounted on the fixed support assembly (1); a pedal rubber pad (10) mounted on the brake movable support (9) and the brake micro-movable support (15); a brake pump assembly (14) mounted on the fixed support assembly (1) and connected to the movable end of the brake micro-movable support (15); a brake oil cup (11) designed integrally with the brake pump assembly (14); an oil cup fixing clamp (12) mounted on the fixed support assembly (1) and fixing the brake oil cup (11); a rubber tube (13) having one end connected to the brake pump assembly (14) and the other end connected to the brake oil cup (11); a grease nipple (2) mounted on the pin shaft assembly (3).
2. The suspended compact brake pedal assembly of claim 1, wherein, The fixed support assembly (1) is used for fixing the brake pedal assembly as a whole and connecting the vehicle chassis.
3. The suspended compact brake pedal assembly of claim 1, wherein, The pin shaft assembly (3) is used for rotating the brake movable support (9) and the brake micro-movable support (15) around the shaft.
4. The hanged compact brake pedal assembly of claim 1, wherein, The torsion spring I (4) and the torsion spring II (8) are used for automatically returning the brake pedal to the initial state when the driver releases the foot.
5. The hanged compact brake pedal assembly of claim 1, wherein, The adjusting bolt (6) and the adjusting nut (5) are used for adjusting the height of the brake movable support (9) and the brake micro-movable support (15), and the adjusting bolt (6) is also used for adjusting the initial position of the brake movable support (9) and the brake light switch (7).
6. The hanged compact brake pedal assembly of claim 1, wherein, The brake light switch (7) is used for sending an electronic signal to the brake light when the pedal is stepped on.
7. The hanged compact brake pedal assembly of claim 1, wherein, The brake movable support (9) and the brake micro-movable support (15) are used to transmit torque to the movable end of the brake pump assembly (14) when the driver steps on the pedal rubber pad (10); the brake pump assembly (14) converts the transmitted mechanical energy into pressure energy of hydraulic oil and evenly distributes it into two outputs.
8. The hanged compact brake pedal assembly of claim 1, wherein, The brake oil cup (11) is used to store brake fluid, and the brake oil cup (11) is fixed by the oil cup fixing clip (12).
9. The hanged compact brake pedal assembly of claim 1, wherein, The rubber tube (13) is used to transmit brake fluid.
10. The hanged compact brake pedal assembly of claim 1, wherein, The grease nipple (2) is used to inject lubricating grease into the pin shaft assembly (3).