CN2889780Y

CN2889780Y - Electronic accelerograph pedal assembly

Info

Publication number: CN2889780Y
Application number: CN 200620096255
Authority: CN
Inventors: 孙辉
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-04-19
Filing date: 2006-04-19
Publication date: 2007-04-18
Anticipated expiration: 2016-04-19

Abstract

An automobile electronic accelerator pedal assembly is provided. The bottom surface of one end of a pedal (1) is hinged with a base plate (2) via a pin shaft (4), a rotating shaft (5) is hanged with the base plate of the pedal (1), one end of the rotating shaft (5) is fixedly connected with a angular displacement sensor (3), the rotating shaft (5) is provided with a return spring (6), one end of a bracket (8) is fixed on the rotating shaft (5) via a spring pin (7), and the other end of the bracket contacts with the base plate (2). The movement of the pedal (1) is transmitted to the angular displacement sensor (3) via the bracket, the rotating shaft and the return spring. The utility model has the advantages of compact structure, no occupying space, esthetic appearance, sensitive action of each parts, accurate signal transmission, small error, high positioning accuracy, convenient positioning of initial installation, no change of the operation manner of the pedal (1), good commonality and exchangeability, and low manufacturing cost. And the electronic accelerator pedal assembly with different types and specifications can be manufactured.

Description

The electronic accelerator pedal of automobile assembly

Affiliated technical field

The utility model relates to the Das Gaspedal of vehicle, is a kind of electronic accelerator pedal of automobile assembly specifically.

Technical background

Along with the mankind to energy-conservation, the pay attention to day by day of environmental protection, Europe III, Europe IV standard are progressively carried out in motor vehicle exhaust emission.Reach Europe III, Europe IV standard, must propose the requirement that adapts the control system of gas.Along with the development of electronic system technology, the Das Gaspedal of original drag-line is progressively replaced by efp.Original drag-line or rod-pulling type Das Gaspedal, its drag-line or pull bar one end connect Das Gaspedal, and the other end connects the throttle gate interlock plate and works.This traditional Das Gaspedal application category is restricted and lacks particularity, causes accelerator open degree unstable and to produce oil consumption too much, and blowdown is too high.The E-gas control system generally is made up of Das Gaspedal, angular-motion transducer, central controller (ECU), data line assembly, driving motor and throttle execution mechanism.Angular-motion transducer is installed in the outside of pedal drag-line below or pedal, it monitors the position of Das Gaspedal at any time, change when detecting the Das Gaspedal height and position, can moment this information and the data message that other system transmits be carried out calculation process, calculate a control signal, be transported to driving motor, drive the aperture that throttle execution mechanism is adjusted throttle gate by driving motor by circuit, thereby reach best oil transportation amount, reduce oil consumption, reduce blowdown.As the Chinese patent publication number: CN 1300682A, open day: June 27 calendar year 2001, denomination of invention: " a kind of Das Gaspedal actr ", proposed to drive driving pulley and angular-motion transducer by the pedal drag-line, thereby controlling and driving motor and by movable pulley traction Men Lasuo, adjust the aperture of throttle gate, realize distributing rationally of electrical shift system and driving engine.But in the existing E-gas control system its angular-motion transducer be provided with unreasonablely, or structure more complicated will take the exterior space of pedal; Or be difficult to adjust the movement clearance of pedal and drag-line, and initial alignment is had relatively high expectations, and the servo-actuated accuracy of positioning is not accurate enough.

Summary of the invention

The purpose of this utility model is defective and the deficiency that overcomes prior art, and a kind of electronic accelerator pedal of automobile assembly is provided.It is simple in structure, and volume is little, and is easy for installation, is quick on the draw, and accuracy of positioning is higher.

Technical solution of the present utility model is: the electronic accelerator pedal of automobile assembly, a pedal is arranged, the bottom surface of pedal one end is hinged on the base plate, on the bottom surface of pedal, also be hinged with rotating shaft, one end of rotating shaft is captiveed joint with angular-motion transducer, rotating shaft is provided with retracing spring, has a support one end to be fixed in the rotating shaft through resilient pin, and its other end contacts with base plate.

The utility model can also be equipped with roller with the contacted bracket end of base plate.

Retracing spring of the present utility model is a torsion spring, and an end of torsion spring is fixed on the pedal, and the other end is fixed on the resilient pin.

Compared with prior art, the beneficial effects of the utility model are: 1, angular-motion transducer is installed in the bottom surface of pedal, and make Das Gaspedal inner structure compactness, do not take up room good looking appearance.2, by support, rotating shaft and retracing spring with the Motion Transmission of pedal to angular-motion transducer, each part is active in one's movements, the signal transmission is accurate, error is little, the accuracy of positioning height.3, initial installing and locating is convenient, and the pedal operation mode is constant, and commonality and interchangeability are good, and manufacturing cost is lower, is suitable for being made into the electronic accelerator pedal assembly of all kinds and specification.

Description of drawings

Fig. 1 is a structural representation of the present utility model

Fig. 2 is the A-A cutaway view among Fig. 1

Fig. 3 is the B-B cutaway view among Fig. 1

Fig. 4 is the C-C cutaway view among Fig. 1

The specific embodiment

Below in conjunction with the description of drawings and the specific embodiment the utility model is described in further detail:

Referring to Fig. 1, Fig. 2 the utility model electronic accelerator pedal of automobile assembly, a pedal 1 is arranged, sheath 11 is equipped with on pedal top, the bottom surface of pedal 1 one ends is hinged on the base plate 2 through bearing pin 4, in pedal 1 both sides, pivotally attached position the otic placode of turning up is arranged downwards, and the corresponding frid of upwards turning up that is fixed with on the base plate 2, be shaped on otic placode and the frid and the cooresponding hole of bearing pin 4 diameters, with bearing pin 4 otic placode and frid are put on, load onto plain cushion 12 and back-up ring 13 at the two ends of bearing pin 4, then pedal 1 and base plate 2 just can rotate around bearing pin 4, form hinged.The position side of base plate 2 corresponding pedal 1 other ends turns up,, the middle part of pedal 1 bottom surface is equipped with angular-motion transducer 3, and the pig-tail wire on the angular-motion transducer 3 passes from base plate 2, and the plug of pig-tail wire termination is connected with central controller (ECU).Between pedal 1 bottom surface and base plate 2, a support 8 is housed also.

Referring to Fig. 1, Fig. 3 also is hinged with rotating shaft 5 on the bottom surface of pedal 1, and flute profile is made in the bottom surface at pedal 1 middle part, has the hole on its two frid, and the hole on two frids is passed in rotating shaft 5, and is bearing fit with this hole.Stretch out in rotating shaft 5 on the end of frid and be provided with a step axle, this step axle is captiveed joint with the tumbler in the angular-motion transducer 3, as adopting key connection or square shaft and square hole connection etc.An end that is rotating shaft 5 is captiveed joint with angular-motion transducer 3, and when rotating shaft 5 was rotated, angular-motion transducer 3 can carry out synchronous reflection.Rotating shaft 5 is provided with retracing spring 6, has a support 8 one ends to be fixed in the rotating shaft 5 through resilient pin 7, and its other end contacts with base plate 2.The effect of retracing spring 6 is that the pedal 1 after the action is returned to initial position.Also hand over the rotating shaft 5 after rotating to be returned to initial position simultaneously.Retracing spring 6 is arranged on rotating shaft 5 outside faces between two frids.Retracing spring 6 is a torsion spring, and an end of torsion spring is fixed on the pedal 1, and the other end is fixed on the resilient pin 7.Owing to be fixed with support 8 on the resilient pin 7, when retracing spring 6 drives resilient pin 7 and rotating shaft 5 rotations, also drive support 8 simultaneously and rotate with rotating shaft 5, the slippage on base plate 2 of support 8 other ends promotes pedal 1 and is returned to initial position.

Referring to Fig. 1, Fig. 3, Fig. 4, support 8 can be a cliding friction with contacting of base plate, and promptly the end of support 8 directly withstands on the base plate 2, and also can make support 8 is friction of rolling with contacting of base plate, promptly with base plate 2 contacted supports 8 ends roller 9 is being housed.It is tabular that support 8 and rotating shaft 5 bonded assemblys one end are made, and the end that support 8 contact with base plate 2 is made the flute profile frame, the roller 9 of in groove, packing into, and employing wheel shaft 14 is installed in roller 9 on the flute profile frame on the support 8, and roller 9 can be contacted with base plate 2 also can rotate.The vehicular drive personnel are lighter to the trample action of pedal 1 like this, and the homing action of pedal 1 is also more quick and sensitive.

The supporting use of E-gas control system in the utility model assembly apparatus and the vehicle.Mainly form as automobile electron accelerator control system by Das Gaspedal, angular-motion transducer, central controller ECU (ECU (Electrical Control Unit)), data bus, servomotor torque constant and throttle execution mechanism.Angular-motion transducer 3 is installed in Das Gaspedal 1 inside, has constituted electronic accelerator pedal assembly, its volume is little, can monitor the position of Das Gaspedal 1 at any time.When monitoring Das Gaspedal 1 height and position, angular-motion transducer 3 changes, understand moment with direct information central controller ECU, ECU carries out calculation process to this information and the data message that other system transmits, calculate a control signal, deliver to the servomotor torque constant actuating of relay by circuit, drive the aperture that throttle execution mechanism is adjusted throttle gate by servomotor torque constant, keep best oil transportation situation.Data bus then is the communication of being responsible between system and its ECU.Because the E-gas system regulates valve by ECU, so the E-gas system can be provided with safety and traveling comfort that various functions are improved driving.

When motorist's operating speed control system, car speed sensor is imported ECU with vehicle speed signal, drives servomotor torque constant by the ECU output command again and adjusts throttle opening.In such system, by control system automatically regulating engine air throttle aperture, make speed of operation keep stable according to the variation of resistance to motion.Therefore the E-gas system also can compatible cruising control function.

Claims

1. electronic accelerator pedal of automobile assembly, a pedal (1) is arranged, it is characterized in that: the bottom surface of pedal (1) one end is hinged on the base plate (2) through bearing pin (4), on the bottom surface of pedal (1), also be hinged with rotating shaft (5), one end of rotating shaft (5) is captiveed joint with angular-motion transducer (3), rotating shaft (5) is provided with retracing spring (6), has a support (8) one ends to be fixed in the rotating shaft (5) through resilient pin (7), and its other end contacts with base plate (2).

2. electronic accelerator pedal of automobile assembly according to claim 1 is characterized in that: with the contacted support of base plate (2) (8) end roller (9) is being housed.

3. electronic accelerator pedal of automobile assembly according to claim 1 is characterized in that: retracing spring (6) is a torsion spring, and an end of torsion spring is fixed on the pedal (1), and the other end is fixed on the resilient pin (7).