CN218839412U

CN218839412U - But quick adjustment's cycle racing footboard assembly

Info

Publication number: CN218839412U
Application number: CN202223169540.1U
Authority: CN
Inventors: 陈财幸; 王远森; 郑文凯; 王强
Original assignee: Xiamen Jimei Vocational And Technical School
Current assignee: Xiamen Jimei Vocational And Technical School
Priority date: 2022-11-29
Filing date: 2022-11-29
Publication date: 2023-04-11
Anticipated expiration: 2032-11-29

Abstract

The utility model provides a but quick adjustment's cycle racing footboard assembly, including two slide rails, two slides, fixed set up in pedal support on the slide, fixed mounting in last accelerator pedal and brake pedal mechanism of pedal support correspond the auto-lock plunger in the spacing groove of slide rail. The sliding position of the pedal support sliding on the sliding rail is fixed through the self-locking plunger, only the pull head on the self-locking plunger needs to be pulled upwards simply, the pin head of the self-locking plunger leaves the limiting groove of the sliding rail, the proper position is loosened according to the adjustment requirement, the pin head of the self-locking plunger automatically resets under the action of the reset spring and is embedded into the corresponding limiting groove, and the relative position of the pedal support and the sliding rail is fixed again.

Description

But quick adjustment's cycle racing footboard assembly

Technical Field

The utility model relates to a cycle racing technical field, concretely relates to but quick adjustment's cycle racing footboard assembly.

Background

In the university equation automobile competition and the Baha competition, the competition team committee sets up very strict requirements of the racing car design rules for ensuring the safety of car drivers, and the brake pedals of the racing cars of the two competitions must meet the requirement of treading force of not less than 2000N. The driver is often replaced to drive in the process of a match, and because the seat position of the racing car cannot be adjusted and the driving comfort of the driver with different heights needs to be considered, the driver with different heights is conveniently adapted by adopting a mode of adjusting a brake system.

Most of the existing university student formula racing cars and Baha racing cars adjust the position of a brake pedal by replacing the bolt installation position of a pedal assembly on a porous support, and the installation bolt must be disassembled to realize the adjustment function.

In view of this, the present application is presented.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a but quick adjustment's cycle racing footboard assembly to the more loaded down with trivial details problem of brake pedal position of adjusting the cycle racing is proposed in solving above-mentioned background art.

A fast adjustable racing car pedal assembly comprises at least two slide rails, a pedal body and a pedal body, wherein the at least two slide rails are fixedly arranged on a racing car frame or a monomer shell, and a plurality of limiting grooves are arranged on the slide rails at intervals along the rail direction; the sliding seats are correspondingly arranged on the sliding rails in a sliding manner; the pedal bracket is fixedly arranged on the sliding seat; the accelerator pedal is fixedly arranged on the pedal bracket; and the brake pedal mechanism is fixedly arranged on the pedal bracket.

The self-locking plunger comprises a mounting bolt fixedly connected with the pedal bracket, a pin head, a pull head and a reset spring, wherein part of the pin head is movably sleeved in the mounting bolt, the end head of the pin head is matched with the limiting groove, the pull head is used for pulling the pin head, the reset spring is used for resetting the initial state of the pin head, the pull head is positioned above the mounting bolt, and the initial state of the pin head is embedded and clamped in the limiting groove.

As a further improvement, the pedal bracket is provided with a threaded through hole, and the outer surface of the mounting bolt is provided with an external thread matched with the threaded through hole.

As a further improvement, the brake pedal mechanism comprises a support, a pedal lever, a balance rod assembly and a hydraulic assembly.

The support is fixedly arranged on the pedal bracket, and the pedal lever is hinged on the support; the balance rod assembly is connected between the pedal lever and the hydraulic assembly, and when the pedal lever rotates relative to the support, the brake working state of the hydraulic assembly is controlled.

As a further improvement, the hydraulic assembly comprises a master cylinder, a brake pressure switch, a brake oil pipe, a hydraulic oil pipe and an oil storage tank.

The main cylinder is installed on the support, the oil storage tank is communicated with the main cylinder through a hydraulic oil pipe, the brake pressure switch is installed at the rear end of the main cylinder and connected with a brake oil pipe, and the brake oil pipe is used for being connected with brake calipers of racing car wheels.

As a further improvement, the balance bar assembly comprises a fisheye bearing arranged on the pedal lever, an adjusting bolt bar sleeved in the fisheye bearing at the middle part, joint pins respectively arranged at two sides of the adjusting bolt bar, and a master cylinder joint arranged on the joint pins, wherein the master cylinder joint is connected with a push rod of the master cylinder.

As a further improvement, the two sides of the adjusting bolt rod are provided with co-rotating outward threads, and the joint pin is provided with an internal thread matched with the adjusting bolt rod.

As a further improvement, the pedal lever is provided with a mounting hole for mounting the fisheye bearing, and the fisheye bearing can swing in the mounting hole.

The balance rod assembly further comprises a swing bolt and a swing pin, the outer ring of the fisheye bearing is provided with two swing holes on the same diameter line, the swing bolt penetrates through the lower portion of the mounting hole in the swing hole of the outer ring of the fisheye bearing, and the swing pin penetrates through the upper portion of the mounting hole in the swing hole of the outer ring of the fisheye bearing.

As a further improvement, the number of the slide rails is two, and the number of the self-locking plungers is two.

As a further improvement, the brake pedal mechanism further comprises an emergency stop switch, and the emergency stop switch is used for controlling emergency braking of the racing car; and defining the stroke of the pedal lever under the limitation of the hydraulic assembly as a normal stroke, and defining the stroke of the pedal lever under the failure of the hydraulic assembly as a limit stroke. The emergency stop switch is arranged on the support, is positioned outside the normal stroke of the pedal lever and is positioned within the limit stroke of the pedal lever.

As a further improvement, a pedal foot-rest is arranged on the pedal lever.

By adopting the technical scheme, the pedal assembly can achieve the following technical effects that the accelerator pedal and the brake pedal are arranged on the pedal bracket, and the pedal bracket can slide on the sliding rail along with the sliding seat; the sliding position of the pedal support sliding on the sliding rail is fixed through the self-locking plunger, only the pull head on the self-locking plunger needs to be pulled upwards simply, the pin head of the self-locking plunger leaves the limiting groove of the sliding rail, the proper position is loosened according to the adjustment requirement, the pin head of the self-locking plunger automatically resets under the action of the reset spring and is embedded into the corresponding limiting groove, and the relative position of the pedal support and the sliding rail is fixed again.

Drawings

FIG. 1 is a schematic view of the overall structure of a rapidly adjustable racing pedal assembly according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of the structure of FIG. 1 from a second perspective;

FIG. 3 is a schematic structural view of the sliding function of the slide rail of FIG. 1;

FIG. 4 is a schematic structural view of the sled carriage and the latching plunger of FIG. 3;

FIG. 5 is a schematic structural view of the latching plunger of FIG. 4;

FIG. 6 is a schematic structural view of the self-locking and release state of the self-locking plunger of FIG. 5;

fig. 7 is a schematic structural view of the balance bar assembly of fig. 1.

Icon: 1-a slide rail; 11-a limiting groove; 2-a slide seat; 3-a pedal support; 4-accelerator pedal;

5-a brake pedal mechanism; 51-a support; 52-pedal lever, 521-pedal foot mop;

53-a hydraulic assembly; 531-master cylinder, 5311-push rod; 532-brake pressure switch, 533-brake oil pipe, 534-hydraulic oil pipe and 535-oil storage tank;

54-a balance bar assembly; 541-fisheye bearings; 542-adjusting bolt shank; 543-a joint pin; 544-master cylinder joint; 545-swing bolts; 546-a swing pin;

6-self-locking plunger; 61-mounting bolts; 62-pin head; 63-a slider; 64-return spring, 65-fastening nut.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings.

Combine fig. 1 to fig. 7, the utility model discloses a but quick adjustment's cycle racing footboard assembly, including two slide rails 1, two slides 2, pedal support 3, accelerator pedal 4, brake pedal mechanism 5, two auto-lock plungers 6.

The slide rail 1 is provided with a plurality of mounting through holes for fixedly connecting with a racing car frame or a monomer shell. I.e. the entire pedal assembly is mounted on the frame or monocoque. A plurality of limiting grooves 11 are arranged on the slide rail 1 at intervals along the track direction, and the limiting grooves 11 are uniformly distributed on the slide rail 1.

The sliding seat 2 is correspondingly arranged on the sliding rail 1 in a sliding manner, and the pedal bracket 3 is fixedly arranged on the sliding seat, so that the sliding seat 2 can stably slide on the sliding rail 1. The bolt head used for installing the slide rail 1 on the frame or the single shell is a limit dead angle, at the moment, the pedal bracket 3 and the accessories installed on the pedal bracket 3 slide back and forth along the slide rail 1 direction along with the slide carriage 2, and the limit is realized when the slide carriage 2 contacts the installation bolt.

An accelerator pedal 4 and a brake pedal mechanism 5 are mounted on the pedal bracket 3 to move together with the pedal bracket 3. Plunger mounting holes for mounting the self-locking plungers 6 are correspondingly formed in two sides of the pedal support 3, the mounting bolts 61 of the two self-locking plungers 6 are fixedly mounted in the plunger mounting holes respectively, the pin heads 62 of the self-locking plungers 6 are partially movably sleeved in the mounting bolts 61, the end parts of the pin heads 62 are matched with the limiting grooves 11, the pull heads 63 are fixedly connected with the pin heads 62, the pull heads 63 are located above the mounting bolts 61 and used for pulling the pin heads 62 upwards, one ends of reset springs 64 of the self-locking plungers 6 are connected with the pin heads 62, the other ends of the reset springs are connected with the mounting bolts 61 and used for resetting initial states of the pin heads 62, and the initial states of the pin heads 62 are embedded and clamped in the limiting grooves 11 so that the pedal support 3 and the slide rails 1 are mutually locked.

In order to make the mounting bolt 61 more adaptive to the limiting groove 11 of the slide rail 1, the slide carriage 2 is embedded in the slide rail 1. The sliding position of the pedal bracket 3 sliding on the sliding rail 1 is fixed through the self-locking plunger 6, only the pull head 63 on the self-locking plunger 6 needs to be pulled upwards simply, so that the pin head 62 of the self-locking plunger leaves the limiting groove 11 of the sliding rail 1, the proper position is loosened according to the adjustment requirement, the pin head 62 of the self-locking plunger 6 automatically resets under the action of the reset spring 64 and is embedded into the corresponding limiting groove 11, and the relative position of the pedal bracket 3 and the sliding rail 1 is fixed again.

Further, please refer to fig. 5 and fig. 6, the plunger mounting hole of the pedal bracket 3 is a threaded through hole, the outer surface of the mounting bolt 61 is provided with an external thread adapted to the threaded through hole, and the mounting bolt 61 and the pedal bracket 3 can be connected more conveniently and tightly by adopting a thread fit mode.

In this embodiment, the self-locking plunger 6 further comprises a fastening nut 65 for further fastening the mounting bolt 61 to the pedal bracket 3.

In the embodiment, the pedal bracket 3 is made of 7075 aluminum alloy materials, and is subjected to stress analysis and hollowed optimization lightweight design. The 7075 aluminum alloy is a cold-processed forging alloy, has compact structure and high strength, and is far better than mild steel.

The existing formula racing car is generally pneumatically shifted, and a driver controls an up-down shift button or a shifting piece on a steering wheel to shift gears, so that the clutch is generally only used when the car starts, and the clutch is controlled by a computer to be matched with the shifting at other time to realize the shifting, therefore, the main stream design of most racing cars replaces the stepping on by placing an area near the hand of the driver with a clutch handle. Therefore, the brake pedal mainly comprises two pedals, namely a brake pedal mechanism 5 and an accelerator pedal mechanism 4, and the two pedals are conveniently and coordinately controlled by adopting the forms of a left-foot brake and a right-foot accelerator. This scheme adopts two footboard modes, has saved separation and reunion pedal mechanism for the structure is simpler, intensity is big, the volume is littleer and the quality is lighter, has the effect that the assembly is simple, occupation space is little and lightweight. The method plays an important role in the whole light weight design of the racing car.

In the present embodiment, the brake pedal mechanism 5 includes a holder 51, a pedal lever 52, a stabilizer bar assembly 54, and a hydraulic assembly 53. The support 51 is fixedly arranged on the pedal bracket 3, and the pedal lever 52 is hinged on the support 51; the balance bar assembly 54 is connected between the pedal lever 52 and the hydraulic assembly 53, and controls the braking operation state of the hydraulic assembly 53 when the pedal lever 52 rotates relative to the support 51.

The hydraulic assembly 53 includes a master cylinder 531, a brake pressure switch 532, a brake oil pipe 533, a hydraulic oil pipe 534, and an oil tank 535.

The master cylinder 531 is mounted on the support 51, the oil storage tank 535 is communicated with the master cylinder 531 through a hydraulic oil pipe 534, the brake pressure switch 532 is mounted at the rear end of the master cylinder 531 and connected with the brake oil pipe 534, and the brake oil pipe 534 is used for connecting with a brake caliper of a wheel of a racing car.

In the present embodiment, there are two main cylinders 531, and the support 51 is formed by laser cutting and welding a stainless steel plate with a thickness of 3mm, and is subjected to finite element analysis and hollow optimization lightweight design. 2M 6 bolts penetrate through two sides of the support 51 to fixedly install 2 main cylinders 531, a push rod 531 of each main cylinder 531 and a balance rod assembly 54 are hinged on a pedal lever 52, and the pedal lever 52 pushes the main cylinders 531 to perform compression action through the balance rod assemblies 54.

The brake pressure switches 532 of the two master cylinders 531 are respectively connected with front and rear wheel calipers, when the pedal of the pedal lever 52 is stepped on, the compression master cylinder 531 controls the brake pressure switches 532, brake fluid enters the brake oil pipe 533 under the pressure effect, the brake light is controlled to be on, and braking is realized.

In one embodiment, the reservoir 535 is mounted on the frame, and the reservoir 535 is higher than the master cylinder 531, preventing brake fluid from flowing into the master cylinder 531 under the force of gravity and preventing air from entering the master cylinder 531.

In this embodiment, the pedal lever 52 is provided with a pedal foot catch 521, so that the rider's foot is fitted into the pedal foot catch 521, and the foot does not separate from the brake pedal under acceleration and deceleration and over-bending centrifugal force, thereby ensuring safety of driving and braking.

In this embodiment, the balance bar assembly 54 includes a fisheye bearing 541 disposed on the pedal lever 52, an adjusting bolt rod 542 sleeved in the fisheye bearing 541 at the middle portion, joint pins 543 respectively mounted on both sides of the adjusting bolt rod 542, and a master cylinder joint 544 mounted on the joint pins 542, wherein the master cylinder joint 544 is connected to a push rod 5311 of the master cylinder 531.

Referring to fig. 7, the adjusting bolt 542 has a thread on both sides, and the joint pin 543 has an internal thread matching the adjusting bolt 542. Since the push rod 5311 of the master cylinder joint 544 is screwed, when the adjustment bolt rod 542 rotates, the joint pin 543 does not rotate, but moves left and right on the adjustment bolt rod 542 due to the rotation of the adjustment bolt rod 542. Therefore, the adjusting bolt rod 542 can be rotated according to needs, the joint pin 544 can move left and right, and the lever ratio of the left and right main cylinders 531 can be adjusted.

Further, the pedal lever 52 has a mounting hole for mounting the fisheye bearing 541, and the mounting hole is large, and the fisheye bearing 541 can swing in the mounting hole.

The balance bar assembly 54 further includes a swing bolt 545 and a swing pin 546, the outer ring of the fisheye bearing 541 is provided with two swing holes on the same diameter line, the swing bolt 545 is partially fixed on the pedal lever 52 in a penetrating manner and penetrates into the swing hole of the outer ring of the fisheye bearing 541 from the lower side of the mounting hole, and the swing pin 546 is partially fixed on the pedal lever 52 in a penetrating manner and penetrates into the swing hole of the outer ring of the fisheye bearing 541 from the upper side of the mounting hole. Therefore, the entire fisheye bearing 541 can swing within the mounting hole along the center line of the swing bolt 545 and the swing pin 546.

Therefore, the adjusting bolt bar 542 can rotate around its center line along with the inner ring of the fisheye bearing 541, and can swing along the center lines of the swing bolt 545 and the swing pin 546 along with the fisheye bearing 541. Since the braking force of the front and rear wheels of the racing car is different and the calipers for clamping the front and rear wheels may have different cylinder diameters, the adjusting bolt rod 542 swings along the center line of the swing pin 546 along with the fisheye bearing 541, and the compressed stroke of the two main cylinders 531 is automatically adjusted, so that the reasonable distribution of the braking force is ensured.

Further, the brake pedal mechanism 5 further comprises an emergency stop switch, and the emergency stop switch is used for controlling emergency braking of the racing car. The stroke of the pedal lever 52 under the restriction of the hydraulic assembly 53 is defined as a normal stroke, and the stroke of the pedal lever 52 when the hydraulic assembly 53 fails is defined as a limit stroke. The emergency stop switch is mounted on the support 51, and is located outside the normal stroke of the pedal lever 52 and within the limit stroke of the pedal lever 52. Therefore, under the condition of normally stepping on the pedal lever, the scram switch can not be triggered. When the brake fails, namely the brake master cylinder 531, the brake oil pipe 533, the calipers and the like are damaged or leak liquid, the brake pedal is stepped on, the pedal lever 52 exceeds the original stroke, and at the moment, the pedal lever 52 presses the emergency stop switch, so that the racing car engine or the controller (electric racing car) is turned off. The racing car can be decelerated in emergency flameout (shutdown), and the safety of people in the car, people around the car or the car is guaranteed.

The brake pressure switch 532 is also connected with a brake lamp, when a driver steps on the pedal lever 52, the brake pressure switch 532 connected with the master cylinder 531 is turned on, the brake lamp is turned on, the brake of a rear vehicle is reminded, and the safety of a rear vehicle is guaranteed.

According to the scheme, scientific analysis and optimization are carried out on parts and structures through software such as ansys and UG, 2500-cattle pedaling force is applied to the pedal lever 52 under the integral structure on the premise of rule requirements, and the integral structure meets design requirements. The design efficiency, the accuracy of material use and the material utilization rate are improved, the cost is greatly reduced, and the performance of the whole vehicle is ensured.

Above only the utility model discloses an it is preferred embodiment, the utility model discloses a scope of protection not only limits in above-mentioned embodiment, and the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection.

Claims

1. A rapidly adjustable racing pedal assembly comprising:

the sliding rail is fixedly arranged on a racing car frame or a monomer shell, and a plurality of limiting grooves are arranged on the sliding rail at intervals along the rail direction;

the sliding seats are correspondingly arranged on the sliding rails in a sliding manner;

the pedal bracket is fixedly arranged on the sliding seat;

the accelerator pedal is fixedly arranged on the pedal bracket;

the brake pedal mechanism is fixedly arranged on the pedal bracket;

2. The rapidly adjustable racing pedal assembly of claim 1 wherein the pedal support has a threaded through hole, and the mounting bolt has an external thread on an outer surface thereof adapted to the threaded through hole.

3. The rapidly adjustable racing pedal assembly of claim 1 wherein the brake pedal mechanism includes a support, a pedal lever, a equalizer bar assembly, and a hydraulic assembly;

4. The rapidly adjustable racing pedal assembly of claim 3 wherein the hydraulic components include a master cylinder, a brake pressure switch, a brake oil line, a hydraulic oil line, a reservoir;

5. The rapidly adjustable racing pedal assembly of claim 4 wherein the balancing lever assembly includes a fisheye bearing disposed on the pedal lever, an adjuster bolt rod having a middle portion received in the fisheye bearing, joint pins respectively mounted on both sides of the adjuster bolt rod, and a master cylinder joint mounted on the joint pins, the master cylinder joint being connected to the push rod of the master cylinder.

6. The rapidly adjustable racing pedal assembly of claim 5 wherein the adjusting bolt shank is threaded outwardly in a co-rotating manner on both sides thereof and the connector pin is threaded internally to mate with the adjusting bolt shank.

7. The rapidly adjustable racing pedal assembly of claim 5,

the pedal lever is provided with a mounting hole for mounting the fisheye bearing, and the fisheye bearing can swing in the mounting hole;

8. The rapidly adjustable racing pedal assembly of claim 1 wherein the number of slide rails is two and the number of latching plungers is two.

9. The rapidly adjustable racing pedal assembly of claim 3 wherein the brake pedal mechanism further includes a hard stop switch for controlling emergency braking of the racing vehicle;

defining the stroke of the pedal lever under the limitation of the hydraulic assembly as a normal stroke, and defining the stroke of the pedal lever when the hydraulic assembly fails as a limit stroke;

the emergency stop switch is arranged on the support, is positioned outside the normal stroke of the pedal lever and is positioned within the limit stroke of the pedal lever.

10. The rapidly adjustable racing pedal assembly of claim 3 wherein the pedal lever has a pedal foot mounted thereon.