CN2464590Y

CN2464590Y - Automatic controller for hydraulic double main pump brake of car

Info

Publication number: CN2464590Y
Application number: CN 01203744
Authority: CN
Inventors: 萧瑞养
Original assignee: Xiao Binghui
Current assignee: Xiao Binghui
Priority date: 2001-02-20
Filing date: 2001-02-20
Publication date: 2001-12-12
Anticipated expiration: 2011-02-20

Abstract

The utility model relates to an automatic controller for oil pressure double main pump brake of cars. Two main pumps are simultaneously controlled by a brake pedal through a push rod, a connecting rod and two supporting rods. The two sets of main pumps are respectively control two sets of brake loop devices which can control four wheels of the car to simultaneously brake. The utility model has a double-brake function. In the way of running, when one set of brake devices is failed, the other set brake device can exert the brake function to prevent people from traffic accidents caused by brake distortion in the way of driving. The utility model can ensure high security of the people at the time of driving, and can achieve the effect of uniform brake of a front and a rear wheels.

Description

The two main pump brake of the oil pressure of automobile automatic control device

The utility model is the two main pump brake of a kind of oil pressure of an automobile automatic control device, drive two groups of main pumps simultaneously by a brake pedal, to control the different brake circuits device of two covers, function with dual brake if one group is braked when malfunctioning, is still organized brake separately and can be used, and can not get into an accident, have and to guarantee people, and have and when brake, can reach the average effect of front and back wheel brake in the tight security in when driving

Shorten braking distance, reduce the Lining wearing and tearing, increase the brake life-span, guarantee traffic safety.

Because the development of industry and commerce, automobile shared ratio in modern society increases thereupon, and because of the increase of automobile, the incidence of traffic accident also just significantly improves thereupon.Probe into the reason that automobile gets into an accident in detail, the malfunctioning of brake system is to be an important factor, and the reason of brake failure generally is to cause the malfunctioning result who causes of water brake for brake solution leaks outside, because of automobile when critical situation takes place in travel, because of braking timely, the generation that tends to result in an automobile accident, after getting into an accident, severe patient may cause the situation of car crash;

Brake structure commonly used has two kinds substantially, first kind of single main pump double loop master cylinder structure commonly used as shown in Figure 4, present wheel has front-wheel drive person and trailing wheel drive person, comprising having:

One has the main pump 60 of two-period form, it can be divided into leading portion and back segment, leading portion supplies back two wheel brake wheel cylinder oil masses by pipeline 62, back segment supplies the first two wheel brake wheel cylinder oil mass by pipeline 61, but drive vehicle and trailing wheel drive vehicle with front-wheel, because of its power resources difference, so can cause the brake lining degree of wear inequality of front-wheel and trailing wheel, when emergency brake, the uneven phenomenon that can make wheel produce deviation of brake is caused danger quite easily, if wherein during one section brake failure, then only be left 1/2 braking ability, quite dangerous, the traffic accident that gets into an accident easily.

Above-mentioned first kind of single main pump double loop two-period form main pump leading portion commonly used and the same oil mass of back segment supply front and back wheel wheel cylinder oil mass, when if the front vehicle wheel brake lining is different with rear wheel brake lining pad wear, the required oil mass difference of front and back wheel wheel cylinder, the same oil mass of oil mass of master cylinder supply wheel cylinder, cause the front and back wheel brake uneven, wheel produces deviation and causes danger, and can not bring into play the effect of brake fully again.

Second kind of brake commonly used is the X pipe arrangement brake of single main pump double loop, as shown in Figure 5, and comprising having:

Brake is to have two main pumps that separate 70, this main pump 70 can be by the

X-shaped pipeline

71,72 of hydraulic oil circulation, and the brake of pipeline 71 may command off front wheel and left rear wheel, and the brake of another pipeline 72 may command the near front wheels and off hind wheel, on automobile, constitute a kind of oil circuit of X-shaped, if but wherein during a brake failure, the brake function of half only is left in whole brake, because of the brake function inequality, then can make automobile cause the situation of spinning, then can be quite dangerous on road if this kind phenomenon takes place, the incident that might overturn at any time.

Above-mentioned second kind of brake commonly used is single main pump double loop, the brake main pump is divided into two sections, and pipeline 71 leading portions supply right front wheel and left back wheel wheel cylinder oil mass, and another pipeline 72 back segments supply front left wheel and right rear wheel wheel cylinder oil mass, but the oil mass that leading portion right front and left back wheel brake wheel cylinder of supply and back segment are supplied left front right rear wheel wheel cylinder, if the required oil mass difference of each wheel cylinder of brake lining pad wear inequality causes the wheel deviation can not bring into play the effect of brake fully again.

More than two kinds of service brake systems, before it, when the wearing and tearing of rear wheel brake Lining produce inequality, the driver touches on the brake and makes the pipeline of main pump be subjected to identical pressure, make the oil of the pipeline inflow brake system that is under pressure, but its brake lining pad wear inequality, before can making, the braking ability difference of trailing wheel, trace it to its cause for the pipeline oil mass of main pump can't be complementary, its wheel cylinder partly for isolated can't intercommunication, causing that the brake lining pad wear is more then must more oil mass, otherwise, then the oil mass demand is less, but the brake system pipe design of existing vehicle all can't reach this point, makes the inconsistent brake system of degree of wear, all obtain identical oil pressure, so it is more and more high to form wearing and tearing, braking ability is more and more poor, so, vicious circle also can cause the danger of driving to increase in the same manner.

At above-mentioned defective, the inventor actively studies improvement, after constantly attempting and testing, creates the technical solution of the utility model finally.

Main purpose of the present utility model is to provide a kind of two main pump brake of oil pressure automatic control device of automobile, with brake pedal through a push rod, one connecting rod and two poles are controlled two groups of main pumps simultaneously, two groups of main pumps are controlled two groups of two main pumps of Control of Automobile simultaneously respectively, two groups of main pumps are controlled the brake circuits device that two groups of control four-wheels brake simultaneously respectively, function with double brake, if automobile is in the way of travelling, wherein during a cover brake gear et out of order, another set of brake gear still can have the existing same function that brakes on the market, reach prevent people in the way of driving because of brake failure gets into an accident, have the purpose of guaranteeing the tight security of people when driving.

Another purpose of the present utility model is to provide a kind of two main pump brake of oil pressure automatic control device of automobile, degree of wear at the brake lining of each wheel differs, oil circuit device of the present utility model distributes automatically, and the pipeline oil mass that reaches main pump can be complementary, the pulsation-free purpose of guaranteeing to brake.

Major advantage of the present utility model be have the people of preventing in the way of driving because of brake failure gets into an accident, have and guarantee that tight security and the pipeline oil mass of main pump of people when driving can be complementary, the pulsation-free effect of guaranteeing to brake.

Further specify below in conjunction with preferred embodiment and accompanying drawing.

Fig. 1 is a schematic perspective view of the present utility model.

Fig. 2 is a brake fluid line system schematic of the present utility model.

Fig. 3 is the perspective exploded view of automotive wheel brake of the present utility model.

Fig. 4 is first kind of service brake oil piping system scheme drawing.

Fig. 5 is second kind of service brake oil piping system scheme drawing.

Consult Fig. 1-shown in Figure 2, the utility model is the two main pumps brake of a kind of oil pressure of an automobile automatic control device, comprising having:

One push rod 10 that can be controlled by brake pedal, this push rod 10 may command one connecting rod 11 extends respectively in the two ends of this connecting rod 11 and to be provided with a pole 12, and each pole 12 can be controlled a main pump 13 respectively, can add the brake solution of control brake in main pump 13;

Wherein a main pump 13 can be by two front-wheels and two trailing wheels of 20,21 while of one group of pipeline Control of Automobile, and another main pump 13 can constitute the different brake circuits device of two covers by organizing

pipeline

22,23 two front-wheels and two trailing wheels of Control of Automobile simultaneously separately.

During use, as shown in Figure 3, as with the disc brake structure applications on each wheel and when implementing, it includes a brake disc 30, be respectively equipped with one fen cylinder 40 in the two ends of brake disc 30, this minute, cylinder 40 may command Linings 50 were with control brake disc 30, in order to reach the practical purpose of control brake, main characteristic of the present utility model is: can control two groups of brake circuits devices of the four-wheel of automatic guidance automobile simultaneously respectively by two groups of main pumps 13, the function that dual brake is arranged, if automobile is in the way of travelling, wherein during a cover brake gear et out of order, other overlaps brake gear still can bring into play the existing same function that brakes on the market, available with prevent people in the way of driving because of brake failure gets into an accident, to guarantee the tight security of people when the driving.

And no matter be that front-wheel drives or trailing wheel drives the automobile of pattern with the automobile of present market, for brake lining degree of wear difference, automatic guidance brake gear in the utility model is able to the needed oil mass of forward and backward four-wheel wheel cylinder and distributes automatically, can brake is average and produce function fully with four wheel brake, and can shorten braking distance and reduce the wearing and tearing of Lining, increase the brake life-span, in order to guarantee traffic safety.

Therefore, via above explanation as can be known, under the structure configuration of the utility model with excellence, control two groups of brake circuits devices of controlling four-wheel simultaneously simultaneously by brake pedal, the function that dual brake is arranged, if automobile is in the road driving way, when one cover brake gear et out of order or inefficacy are wherein arranged, still there is another set of brake gear can have existing brake same function on the market, available with prevent people in the way of driving because of brake failure gets into an accident, have and can guarantee the advantage of people in traffic safety.

In sum, the utlity model has practicality with creative when knowing.

Claims

1, the two main pump brake of a kind of oil pressure of automobile automatic control device, include the push rod of being controlled by brake pedal, this push rod is controlled a connecting rod, extend respectively in the two ends of connecting rod and to be provided with pole, each pole is controlled main pump respectively, adds the brake solution of control brake in main pump, it is characterized in that: a main pump is by two front-wheels and two trailing wheels of one group of pipeline while Control of Automobile, another main pump constitutes the different brake circuits device of two covers by organizing pipeline two front-wheels and two trailing wheels of Control of Automobile simultaneously separately; This brake solution is delivered to the branch cylinder place of each wheel simultaneously through each pipeline by main pump.