CN213973947U

CN213973947U - Electric automobile footboard assembly

Info

Publication number: CN213973947U
Application number: CN202023042555.2U
Authority: CN
Inventors: 王远军; 王亮亮; 李新东; 徐东升; 肖百扬; 路易博; 郭丹; 梁文柱; 刘思研
Original assignee: Xian University of Architecture and Technology
Current assignee: Xian University of Architecture and Technology
Priority date: 2020-12-15
Filing date: 2020-12-15
Publication date: 2021-08-17
Anticipated expiration: 2030-12-15

Abstract

The utility model discloses an electric automobile pedal assembly, which comprises a pedal seat and a pedal body; the left spline shaft and the right spline shaft are arranged on two sides of the bottom of the pedal seat in a rotating mode respectively and are arranged oppositely; the left spline shaft is connected with a left angle sensor, and the right spline shaft is connected with a right angle sensor; the pedal body is arranged to be capable of axially moving along the left spline shaft and the right spline shaft. The embodiment of the utility model provides a footboard assembly utilizes two integral key shafts and footboard body cooperatees, and the switching of sliding has avoided moving the problem of brake pedal waste time to the foot from accelerator pedal, realizes the corrective action of vehicle.

Description

Electric automobile footboard assembly

Technical Field

The utility model belongs to the automobile field, concretely relates to electric automobile footboard assembly.

Background

With the rapid development of the machine manufacturing industry, the simplified and intelligent mechanical operation meets the requirements of the market and users more and more. Particularly in the field of automobiles, although automobiles bring great convenience to life of people, the rapidly increasing number of vehicles increases the probability of occurrence of traffic accidents, and brings many adverse effects to the society. However, some artificial traffic accidents can be avoided, such as the situation that the driver is nervous, the technology is not skillful, the response is slow, the pedal is stepped by mistake and other artificial factors can be completely avoided.

Most of the existing vehicles are operated by double pedals, an accelerator pedal and a brake pedal are independent, a driver needs at least 0.2 second to move a foot from the accelerator pedal to the brake pedal, and under the condition of high-speed running of the vehicle, the 0.2 time increases a great braking distance for a braking process. In an emergency, the driver may step on the wrong pedal due to stress, which increases the danger of accidents. At present, the electric automobile pedal assemblies on the market are fewer, the cost is higher, and the structure is complex.

SUMMERY OF THE UTILITY MODEL

The embodiment of the application is just to above-mentioned accelerator pedal and brake pedal independent existence, and the driver probably reacts untimely problem, provides an electric automobile footboard assembly, has characteristics such as simple structure, with low costs and easy realization on current vehicle, and easy operation, reliability height, has greatly reduced the probability that the traffic accident takes place.

In order to solve the technical problem, the embodiment of the application is realized by adopting the following technical scheme:

an electric automobile pedal assembly comprises a pedal seat and a pedal body; the left spline shaft and the right spline shaft are arranged on two sides of the bottom of the pedal seat in a rotating mode respectively and are arranged oppositely; the left spline shaft is connected with a left angle sensor, and the right spline shaft is connected with a right angle sensor; the pedal body is arranged to be capable of axially moving along the left spline shaft and the right spline shaft.

Furthermore, the pedal seat is installed on the automobile frame through a bolt and is positioned at the bottom of the front side of the driving seat.

Further, set up pedal body spline hub on the pedal body, pedal body spline hub connects on the left side integral key shaft and can follow left spline shaft and right integral key shaft axial reciprocating motion.

Further, the right-hand member of footboard body spline hub is provided with the spring, the one end of spring with footboard body spline hub laminates mutually, the other end and the right-hand member fixed connection of right integral key shaft.

Furthermore, break off between left spline shaft and the right spline shaft, the left end of right spline shaft and the right-hand member of left spline shaft are equallyd divide and are do not set up the chamfer.

The brake assembly comprises a tilting rod, a left firing pin, a right firing pin, a left brake assembly and a right brake assembly; the left brake assembly is connected with one end of the left firing pin, the other end of the left firing pin is hinged to one end of the tilting rod, the right brake assembly is connected with one end of the right firing pin, and the other end of the right firing pin is hinged to the other end of the tilting rod.

Furthermore, the left part of stick up the pole is equipped with the constant head tank, when the spring is for extending the state, the pedal body with the constant head tank laminating.

Furthermore, the pedal body is provided with an anti-skid rubber pad.

Furthermore, the left angle sensor and the right angle sensor are respectively connected with a data line interface through a data bus.

Furthermore, a baffle is arranged on the right side of the pedal body.

The utility model has the advantages as follows:

1. the embodiment of the utility model provides a footboard assembly utilizes two integral key shafts and footboard body cooperatees, and the switching of sliding has avoided moving the problem of brake pedal waste time to the foot from accelerator pedal, realizes the corrective action of vehicle.

2. The embodiment of the utility model provides a footboard assembly has characteristics such as simple structure, convenient operation, is particularly suitable for the not skilled crowd of driving technique, can improve the security of driving.

3. The embodiment of the utility model provides a footboard assembly, the range of application is extensive, not only the vehicle, and most needs accelerate, the braking, and the equipment of the operation of backing a car all can be used.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic front side structural diagram of an electric vehicle pedal assembly according to an embodiment of the present invention;

fig. 2 is a schematic rear side structure view of an electric vehicle pedal assembly according to an embodiment of the present invention;

fig. 3 is a schematic diagram of a pedal body position of an electric vehicle pedal assembly according to an embodiment of the present invention;

fig. 4 is a schematic view illustrating a forward operation state of the pedal assembly of the electric vehicle according to the embodiment of the present invention;

fig. 5 is a schematic view of a reversing operation state of the pedal assembly of the electric vehicle according to the embodiment of the present invention;

fig. 6 is a schematic view illustrating a position of a positioning groove of a pedal assembly of an electric vehicle according to an embodiment of the present invention;

fig. 7 is the embodiment of the utility model provides an electric automobile pedal assembly's left integral key shaft and right integral key shaft disconnection position sketch map.

Wherein: 1-a pedal seat; 2-data line interface; 3-a data bus; 4-right angle sensor; 5-a right spline shaft; 6-a spring; 7-right rotating shaft; 8-right striker; 9-raising the rod; 10-a baffle plate; 11-antiskid rubber pad; 12-a pedal body; 13-positioning grooves; 14-left rotating shaft; 15-left striker; 16-pedal body spline hub; 17-a left brake assembly; 18-left angle sensor; 19-right brake assembly; 20-a cleavage site; 21-raising rod rotating shaft; 22-left spline shaft.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.

The following detailed description is exemplary in nature and is intended to provide further details of the invention. Unless otherwise defined, all technical terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the invention.

Example one

Fig. 1, fig. 2, fig. 4 and fig. 5 show an appearance, a basic structure and a pedal position state diagram of an electric vehicle pedal assembly provided in an embodiment of the present application in each operating state, and fig. 3 shows a relationship of a manipulation angle of a pedal when the electric vehicle pedal assembly provided in the embodiment of the present application is operated.

As shown in fig. 1-2, an electric automobile pedal assembly comprises a pedal base 1 and a pedal body 12; two mounting cavities are respectively arranged on two sides of the bottom of the pedal seat 1, a left return spring (not shown in the figure) and a left angle sensor 18 are arranged in the left mounting cavity, and a right return spring (not shown in the figure) and a right angle sensor 4 are arranged in the right mounting cavity. The left spline shaft 22 is rotatably disposed in the left side installation cavity, and the right spline shaft 5 is rotatably disposed in the right side installation cavity. The left return spring is sleeved on the left spline shaft 22, one end of the left return spring is fixed on the left mounting cavity, the other end of the left return spring is fixedly connected with the left spline shaft 22, and the left spline shaft 22 can return under the action of the left return spring after rotating. The right return spring is sleeved on the right spline shaft 5, one end of the right return spring is fixed on the right mounting cavity, the other end of the right return spring is fixedly connected with the right spline shaft 5, and the right spline shaft 5 can return under the action of the right return spring after rotating. The left spline shaft 22 and the right spline shaft 5 are arranged oppositely; the pedal seat 1 is installed on the automobile frame through bolts and is positioned at the bottom of the front side of the driving position.

The left spline shaft 22 is connected with the left angle sensor 18, and the right spline shaft 5 is connected with the right angle sensor 4; the pedal body 12 is provided with a pedal body spline hub 16, the pedal body spline hub 16 is connected to the left spline shaft 22, and the pedal body 12 can axially reciprocate along the left spline shaft 22 and the right spline shaft 5. The rotation centers of the left spline shaft 22 and the right spline shaft 5 are the positions of the left angle sensor 18 and the right angle sensor 4, respectively. The right end of the pedal body spline hub 16 is provided with a spring 6, one end of the spring 6 is attached to the pedal body spline hub 16, the other end of the spring is fixedly connected with the right end of the right spline shaft 5, the spring 6 is coaxial with the right spline shaft 5 and the left spline shaft 22 respectively, and the spring 6 is a low-stiffness spring. The left angle sensor 18 and the right angle sensor 4 are both connected with a data line interface 2 through a data bus 3. The left spline shaft 22 and the right spline shaft 5 are disconnected to form a disconnected part 20, the left spline shaft and the right spline shaft are not directly connected, and the rotation angle signals do not interfere with each other. The left end of the right spline shaft 5 and the right end of the left spline shaft 22 are chamfered to facilitate the step-over of the cut-off portion 20 when the pedal body spline hub 16 slides.

The brake assembly comprises a tilting rod 9, a left striker 15, a right striker 8, a left brake assembly 17 and a right brake assembly 19; the tilting rod 9 is rotatably arranged on the tilting rod rotating shaft 21, the rotating center of the tilting rod 9 is the axis of the tilting rod rotating shaft 21, and the tilting rod rotating shaft 21 is welded on the pedal seat 1; the left brake component 17 is connected with one end of a left firing pin 15, the other end of the left firing pin 15 is hinged to one end of the tilting rod 9 through a left rotating shaft 14, and the left firing pin 15 is coaxially matched with the left brake component 17; the right brake component 19 is connected with one end of a right firing pin 8, the right firing pin 8 is coaxially matched with the right brake component 19, and the other end of the right firing pin 8 is hinged to the other end of the tilting rod 9 through a right rotating shaft 7.

As shown in fig. 6, a positioning groove 13 is formed at the left portion of the tilting rod 9, and when the spring 6 is in an extended state, the pedal body 12 is attached to the positioning groove 13. The pedal body 12 is brought into the default position into the operating position for the forward process by cooperation with the spring 6.

As shown in figure 1, a baffle plate 10 is arranged on the right side of a pedal body 12, and an anti-skid rubber pad 11 is arranged on the pedal body 12. The baffle plate 10 is a small part protruding from the pedal body 12, the reverse state is switched by poking the right side face of the foot of a driver, the anti-skid rubber pad 11 is arranged at the palm part of the pedal body 12, and the anti-skid effect is achieved by increasing the friction coefficient of the pedal.

Example two

The second embodiment is different from the first embodiment in that the second embodiment further includes a vehicle control device, i.e., a VCU, the VCU is connected to the data line interface 2, the left angle sensor 18 collects a swing angle signal of the pedal body 12 in the forward operation state and transmits the swing angle signal to the vehicle VCU to determine the acceleration and braking operations in the forward process, and the right angle sensor 4 collects a swing angle signal of the pedal body 12 in the reverse operation state and transmits the swing angle signal to the vehicle VCU to determine the acceleration and braking operations in the reverse process.

The embodiment of the utility model provides an in the second, VCU can adopt ZDC-VCU024C01 model, can set up multiple different control logic in VCU, sets for different pivot angle signal threshold values for VCU receives the signal that left angle sensor 18 and right angle sensor 4 gathered, compares the pivot angle signal and the threshold value that angle sensor gathered, controls electric automobile's driving motor and advances, retreat, accelerate, slow down the operation such as.

For example, in the second embodiment of the present invention, a control logic is provided (other control logic can be set, or the control logic in the existing VCU of the electric vehicle is adopted, and the control logic in this embodiment is the prior art, and does not relate to innovation, but only demonstrates the operation of the pedal assembly of the present application). In operation, the operating position of the pedal body 12 is as shown in fig. 3, 4 and 5, and the operating process can be mainly divided into an accelerating operation and a braking operation in a forward process and an accelerating operation and a braking operation in a reverse process, as follows:

during the forward movement, the pedal body 12 is in the position shown in FIG. 4, which is also the default position of the pedal body 12. As shown in fig. 3, initially, the pedal body 12 is located at the highest point, when the vehicle needs to go forward, an operator steps the pedal body 12 to the lowest point, then slowly lifts the foot, at the moment, the pedal body 12 is slowly bounced under the action of a return spring, at the moment, the action direction is as shown in 12-1, the angular displacement is recorded as positive angular displacement, the left angle sensor 18 collects the change of the positive angle, the vehicle realizes acceleration, when the pedal body 12 is located at the highest point, the vehicle speed reaches the maximum, and then the foot is lifted to decelerate the vehicle to stop; if the speed of the vehicle is reduced in the driving process, an operator steps on the pedal body 12, the action direction of the operator is shown as 12-2, the angular displacement is negative angular displacement, at the moment, the left striker 15 starts to trigger the left brake assembly 17, and the vehicle brake system works to realize the speed reduction of the vehicle.

In the process of backing a car, firstly, an operator stirs the pedal body 12 with a foot, the pedal body spline hub 16 slides rightwards and crosses the disconnection part 20 to reach the position of the pedal body 12 shown in the attached drawing 5, at the moment, the spring 6 is compressed, the operator steps the pedal body 12 to the lowest point, then slowly lifts the foot, at the moment, the action direction is shown as 12-1 in the attached drawing 3, the right angle sensor 4 collects positive angle change, the vehicle realizes acceleration action in the process of backing the car, when the pedal body 12 is located to the highest point, the backing speed reaches the maximum, and then the foot is lifted to enable the vehicle to decelerate to stop; if the speed is reduced in the process of backing a car, an operator steps down the pedal body 12, the action direction of the operator is shown as 12-2, at the moment, the right striker 8 starts to trigger the right brake assembly 19, and the vehicle brake system works to realize the speed reduction in the process of backing a car.

It will be appreciated by those skilled in the art that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of the invention or which are equivalent to the scope of the invention are embraced by the invention.

Claims

1. The electric automobile pedal assembly is characterized by comprising a pedal seat (1) and a pedal body (12); a left spline shaft (22) and a right spline shaft (5) are respectively and rotatably arranged on two sides of the bottom of the pedal seat (1), and the left spline shaft (22) and the right spline shaft (5) are oppositely arranged; the left spline shaft (22) is connected with a left angle sensor (18), and the right spline shaft (5) is connected with a right angle sensor (4); the pedal body (12) is arranged to be capable of axially moving along the left spline shaft (22) and the right spline shaft (5).

2. The electric automobile pedal assembly according to claim 1, wherein the pedal seat (1) is mounted on the automobile frame by bolts at the bottom of the front side of the driving seat.

3. The electric vehicle pedal assembly of claim 1, wherein the pedal body (12) is provided with a pedal body spline hub (16), and the pedal body spline hub (16) is connected to the left spline shaft (22) and can axially reciprocate along the left spline shaft (22) and the right spline shaft (5).

4. The pedal assembly of claim 3, wherein the pedal body spline hub (16) is provided with a spring (6) at the right end, one end of the spring (6) is attached to the pedal body spline hub (16), and the other end is fixedly connected with the right end of the right spline shaft (5).

5. The electric automobile pedal assembly as claimed in claim 1, wherein the left spline shaft (22) and the right spline shaft (5) are disconnected from each other, and chamfers are respectively arranged at the left end of the right spline shaft (5) and the right end of the left spline shaft (22).

6. The electric automobile pedal assembly as claimed in claim 1, further comprising a brake component, wherein the brake component comprises a tilting rod (9), a left striker (15), a right striker (8), a left brake component (17) and a right brake component (19); the left brake assembly (17) is connected with one end of a left firing pin (15), the other end of the left firing pin (15) is hinged to one end of a tilting rod (9), the right brake assembly (19) is connected with one end of a right firing pin (8), and the other end of the right firing pin (8) is hinged to the other end of the tilting rod (9).

7. The pedal assembly of claim 6, wherein the lever (9) has a positioning groove (13) at the left, and when the spring (6) is in the extended state, the pedal body (12) is attached to the positioning groove (13).

8. The electric vehicle pedal assembly of claim 1, wherein the pedal body (12) is provided with a non-slip rubber pad (11).

9. The electric vehicle pedal assembly according to claim 1, wherein the left angle sensor (18) and the right angle sensor (4) are connected to a data line interface (2) through a data bus (3).

10. The electric vehicle pedal assembly according to claim 1, wherein the pedal body (12) is provided with a stopper piece (10) at the right side.