KR20020030875A - Brake master cylinder - Google Patents

Brake master cylinder Download PDF

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Publication number
KR20020030875A
KR20020030875A KR1020000061199A KR20000061199A KR20020030875A KR 20020030875 A KR20020030875 A KR 20020030875A KR 1020000061199 A KR1020000061199 A KR 1020000061199A KR 20000061199 A KR20000061199 A KR 20000061199A KR 20020030875 A KR20020030875 A KR 20020030875A
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KR
South Korea
Prior art keywords
brake
master cylinder
push rod
cylinder
rod
Prior art date
Application number
KR1020000061199A
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Korean (ko)
Inventor
박병섭
Original Assignee
류정열
기아자동차주식회사
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Application filed by 류정열, 기아자동차주식회사 filed Critical 류정열
Priority to KR1020000061199A priority Critical patent/KR20020030875A/en
Publication of KR20020030875A publication Critical patent/KR20020030875A/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T11/00—Transmitting braking action from initiating means to ultimate brake actuator without power assistance or drive or where such assistance or drive is irrelevant
    • B60T11/10—Transmitting braking action from initiating means to ultimate brake actuator without power assistance or drive or where such assistance or drive is irrelevant transmitting by fluid means, e.g. hydraulic
    • B60T11/16—Master control, e.g. master cylinders
    • B60T11/20—Tandem, side-by-side, or other multiple master cylinder units
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T7/00—Brake-action initiating means
    • B60T7/02—Brake-action initiating means for personal initiation
    • B60T7/04—Brake-action initiating means for personal initiation foot actuated
    • B60T7/06—Disposition of pedal
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2306/00—Other features of vehicle sub-units
    • B60Y2306/09—Reducing noise

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  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Transmission Of Braking Force In Braking Systems (AREA)
  • Braking Elements And Transmission Devices (AREA)
  • Braking Systems And Boosters (AREA)

Abstract

PURPOSE: A brake master cylinder is provided to shorten a stroke of a brake pedal in case of braking for improving the manipulation property and reduce the brake noise and the vehicle shaking in case of the braking performance. CONSTITUTION: A brake master cylinder includes a push rod(200) coupled with a brake pedal(100) at a side and having more than two rods(210), pistons(400) coupled with the rods respectively, elastic elements(500) mounted at a side of each of the pistons, and a master cylinder(700) having cylinders(710) movably mounted with the pistons and pressure outlets(720) for discharging a brake solution(600).

Description

브레이크 마스터 실린더 {Brake master cylinder}Brake master cylinder

본 발명은 브레이크 마스터 실린더에 관한 것으로서 특히, 브레이크 마스터 실린더 내의 실린더를 병렬로 형성하여 브레이크페달의 스트로크를 짧게하여, 제동시 브레이크의 제동능력을 향상시키는 브레이크 마스터 실린더에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a brake master cylinder, and more particularly, to a brake master cylinder which forms a cylinder in the brake master cylinder in parallel to shorten the stroke of the brake pedal, thereby improving the braking ability of the brake during braking.

일반적으로 브레이크 마스터 실린더는 유압으로 작동하는 브레이크의 주요 부속으로, 파스칼의 원리를 응용한 것이며, 페달을 밟음으로써 유압을 발생하는 장치이다.In general, the brake master cylinder is a main part of the hydraulically actuated brake, which is applied to the principle of Pascal, and is a device for generating hydraulic pressure by pressing a pedal.

도 1은 종래의 브레이크 마스터 실린더의 단면도이다.1 is a cross-sectional view of a conventional brake master cylinder.

도 1에 도시된 바와 같이, 힌지로 고정된 브레이크페달(10)과, 일측이 상기 브레이크페달(10)에 연결된 푸쉬로드(20)와, 상기 푸쉬로드(20)가 통과하는 마스터백(30)과, 상기 푸쉬로드(20)의 단부에 연결되어 직렬로 체결된 피스톤(40)과, 상기 피스톤(40)의 일측에 형성되는 탄성체(50)와, 상기 피스톤(40)의 압력을 전달하는 수단인 브레이크액(60)과, 상기 피스톤(40)이 삽입되는 실린더(71)와 상기 브레이크액(60)이 배출되는 압력출구(72)가 형성되는 마스터 실린더(70)와, 상기 브레이크액(60)이 저장되는 오일탱크(80)로 구성된다.As shown in FIG. 1, a hinged brake pedal 10, a push rod 20 connected to one side of the brake pedal 10, and a master bag 30 through which the push rod 20 passes. And a piston 40 connected to an end of the push rod 20 and fastened in series, an elastic body 50 formed on one side of the piston 40, and a means for transmitting pressure of the piston 40. The master cylinder 70 having the in-brake fluid 60, the cylinder 71 into which the piston 40 is inserted, and the pressure outlet 72 through which the brake fluid 60 is discharged, and the brake fluid 60. ) Is composed of an oil tank 80 is stored.

상기 종래의 브레이크 마스터 실린더에서, 운전자가 힌지 고정된 브레이크페달(10)을 밟으면 상기 브레이크페달(10)에 연결된 푸쉬로드(20)가 유동하고, 이때푸쉬로드(20)는 마스터백(30)을 통과하면서 부압을 받아 운전자가 작은 힘으로 브레이크페달(10)을 밟아도 푸쉬로드(20)가 원활하게 유동하게 하며, 상기 푸쉬로드(20)에 연결되어 직렬로 체결된 각각의 피스톤(40)이 실린더(71)내에 충진된 브레이크액(60)에 압력을 가하여, 상기 브레이크액(60)은 압력출구(72)를 통하여 마스터 실린더(70) 밖으로 토출되고, 토출된 상기 브레이크액(60)은 브레이크로 보내진다.In the conventional brake master cylinder, when the driver presses the hinged brake pedal 10, the push rod 20 connected to the brake pedal 10 flows, and the push rod 20 moves the master bag 30. When the driver presses the brake pedal 10 with a small force while passing, the push rod 20 smoothly flows, and each piston 40 connected to the push rod 20 in series is fastened to a cylinder. By applying pressure to the brake fluid 60 filled in the 71, the brake fluid 60 is discharged out of the master cylinder 70 through the pressure outlet 72, and the discharged brake fluid 60 is applied to the brake. Is sent.

그러나, 상기와 같은 종래의 브레이크 마스터 실린더는 마스터 실린더 내에 피스톤이 직렬로 체결되어 브레이크 작동시 브레이크페달의 스트로크가 길어지는 결점이 있다.However, the conventional brake master cylinder as described above has the drawback that the stroke of the brake pedal is long when the piston is engaged in series in the master cylinder.

본 발명은 상기의 결점을 해소하기 위한 것으로, 제동시 브레이크 페달의 스트로크를 짧게하여 조작감이 향상되고 운전자에게 제동성능에 대한 신뢰성을 주며, 제동력의 증대 및 브레이크 노이즈와 제동시 차체 떨림현상을 감소시킬 수 있도록 하는 브레이크 마스터 실린더를 제공하고자 한다.The present invention is to solve the above-mentioned shortcomings, shorten the stroke of the brake pedal during braking to improve the feeling of operation and give the driver the reliability of braking performance, increase the braking force and reduce the brake noise and body shaking during braking It is intended to provide a brake master cylinder to enable this.

이러한 본 발명은 일측이 브레이크페달에 체결되고, 타측이 피스톤에 결합되어 둘 이상의 로드로 구성되는 푸쉬로드와; 상기 푸쉬로드의 각 로드 단부에 구비된 피스톤과 탄성체가 유동가능하게 설치되는 실린더로 구성함으로써 달성된다.The present invention is a push rod which is coupled to one side of the brake pedal, the other side is coupled to the piston consisting of two or more rods; A piston and an elastic body provided at each rod end of the push rod are achieved by a cylinder which is installed to be movable.

도 1은 종래의 브레이크 마스터 실린더의 단면도,1 is a cross-sectional view of a conventional brake master cylinder,

도 2는 본 발명의 브레이크 마스터 실린더의 단면도.2 is a cross-sectional view of the brake master cylinder of the present invention.

<도면의 주요 부분에 대한 부호의 설명><Explanation of symbols for the main parts of the drawings>

100 : 브레이크페달200 : 푸쉬로드100: brake pedal 200: push rod

400 : 피스톤500 : 탄성체400: piston 500: elastic body

600 : 브레이크액700 : 마스터 실린더600: brake fluid 700: master cylinder

710 : 실린더800 : 센터가이드라인710: Cylinder 800: Center Guideline

900 : 고정링900: retaining ring

도 2는 본 발명의 브레이크 마스터 실린더의 단면도이다.2 is a cross-sectional view of the brake master cylinder of the present invention.

본 발명의 실시예를 첨부 도면을 참고하여 상세히 설명하면 다음과 같다.An embodiment of the present invention will be described in detail with reference to the accompanying drawings.

도 2에 도시된 바와 같이, 본 발명의 브레이크 마스터 실린더는, 힌지로 고정된 브레이크페달(100)과; 일측이 브레이크페달(100)에 체결되고, 타측이 둘 이상의 로드(210)로 형성되는 푸쉬로드(200)와; 상기 푸쉬로드(200)가 통과하는 마스터백(300)과; 상기 푸쉬로드(200)의 로드(210)에 각각 체결되어 피스톤업(410)을 구비하는 피스톤(400)과; 상기 피스톤(400)의 일측에 형성되는 탄성체(500)와; 상기 피스톤(400)의 압력을 전달하는 수단인 브레이크액(600)과; 상기 피스톤(400)이 삽입되는 실린더(710)와 상기 브레이크액(600)이 배출되는 압력출구(720)가 형성되는 마스터 실린더(700)로 구성되는 것을 특징으로 한다.As shown in FIG. 2, the brake master cylinder of the present invention includes a brake pedal 100 fixed to a hinge; A push rod 200 having one side coupled to the brake pedal 100 and the other side formed of two or more rods 210; A master bag 300 through which the push rod 200 passes; A piston 400 fastened to the rod 210 of the push rod 200 and having a piston up 410; An elastic body 500 formed on one side of the piston 400; Brake fluid 600 which is a means for transmitting the pressure of the piston 400; A cylinder 710 into which the piston 400 is inserted and a master cylinder 700 having a pressure outlet 720 through which the brake fluid 600 is discharged are formed.

이하, 도 2를 참고하여 본 발명의 작용 및 효과를 설명하면 다음과 같다.Hereinafter, the operation and effects of the present invention will be described with reference to FIG. 2.

운전자가 힌지 고정된 브레이크페달(100)을 밟으면 상기 브레이크페달(100)에 연결된 푸쉬로드(200)가 유동하게 되고, 이때 푸쉬로드(200)는 마스터백(300)을 통과하면서 부압을 받아 운전자가 작은 힘으로 브레이크페달(100)을 밟아도 푸쉬로드(200)가 원활하게 유동하게 하며, 상기 푸쉬로드(200)에 형성된 둘 이상의 로드에 체결된 각각의 피스톤(400)이 실린더(710)내에 충진된 브레이크액(600)에 압력을 가하여, 상기 브레이크액(600)은 압력출구(720)를 통하여 마스터 실린더(700) 밖으로 토출되고, 토출된 상기 브레이크액(600)은 브레이크로 보내진다.When the driver presses on the hinged brake pedal 100, the push rod 200 connected to the brake pedal 100 flows, and the push rod 200 receives negative pressure while passing through the master bag 300. The push rod 200 smoothly flows even when the pedal pedal 100 is pressed with a small force, and each piston 400 fastened to two or more rods formed in the push rod 200 is filled in the cylinder 710. By applying pressure to the brake fluid 600, the brake fluid 600 is discharged out of the master cylinder 700 through the pressure outlet 720, and the discharged brake fluid 600 is sent to the brake.

또한, 상기 푸쉬로드(200)의 중앙에 별도의 로드(210)를 형성하고, 상기 마스터 실린더(700)의 각 실린더(710) 사이에 센터가이드라인(800)을 형성하여, 상기 추가형성된 로드(210)가 센터가이드라인(800)에 삽입되어 푸쉬로드(200)가 원활하게 유동가능하게 할 수 있다.In addition, a separate rod 210 is formed in the center of the push rod 200, and a center guideline 800 is formed between each cylinder 710 of the master cylinder 700 to form the rod further formed ( 210 may be inserted into the center guide line 800 to allow the push rod 200 to flow smoothly.

그리고, 상기 실린더(710)의 입구에 고정링(900)을 체결하고 푸쉬로드(200)의 로드(210)를 통과시켜, 상기 고정링이 푸쉬로드(200)의 가이드 역할을 하여 원활하게 유동할 수 있다.In addition, the fixing ring 900 is fastened to the inlet of the cylinder 710 and the rod 210 of the push rod 200 passes through, so that the fixing ring serves as a guide of the push rod 200 to smoothly flow. Can be.

상기와 같은 본 발명 브레이크 마스터 실린더는 마스터 실린더내의 실린더를 병렬로 구성함으로써 브레이크페달의 스트로크를 짧게 할 수 있는 브레이크 마스터 실린더이다.The brake master cylinder of the present invention as described above is a brake master cylinder capable of shortening the stroke of the brake pedal by constructing the cylinders in the master cylinder in parallel.

이상과 같은 본 발명 브레이크 마스터 실린더는 제동시 브레이크 페달의 스트로크를 짧게하여 조작감이 향상되고 운전자에게 제동성능에 대한 신뢰성을 주며, 제동력을 증대시키고, 브레이크 노이즈와 제동시 차체 떨림현상을 감소시킬 수 있는 발명인 것이다.The brake master cylinder of the present invention as described above can shorten the stroke of the brake pedal during braking to improve the feeling of operation, provide the driver with reliability for braking performance, increase the braking force, and reduce brake noise and body shaking during braking. It is an invention.

Claims (3)

일측이 브레이크페달에 체결되고, 타측이 피스톤에 결합되어 둘 이상의 로드로 구성되는 푸쉬로드와;A push rod having one side coupled to the brake pedal and the other side coupled to the piston and configured as two or more rods; 상기 푸쉬로드의 각 로드 단부에 구비된 피스톤과 탄성체가 유동가능하게 설치되는 실린더로 구성되어 자동차의 브레이크페달에 연결되어 유압을 발생시키는 것을 특징으로 하는 브레이크 마스터 실린더.Brake master cylinder, characterized in that consisting of a cylinder in which the piston and the elastic body provided in each rod end of the push rod is installed so as to be flowable is connected to the brake pedal of the vehicle to generate hydraulic pressure. 제 1항에 있어서, 상기 푸쉬로드의 중앙에 별도의 로드를 형성하고, 상기 마스터 실린더의 각 실린더 사이에 센타가이드라인을 형성하여, 상기 추가형성된 로드가 센터가이드라인에 삽입되는 것을 특징으로 하는 브레이크 마스터 실린더.The brake of claim 1, wherein a separate rod is formed at the center of the push rod, and a center guide line is formed between each cylinder of the master cylinder, so that the additionally formed rod is inserted into the center guide line. Master cylinder. 제 1항에 있어서, 상기 푸쉬로드의 로드가 원활하게 유동할 수 있도록 실린더의 입구에 로드를 통과시켜 체결되는 고정링을 포함하는 것을 특징으로 하는 브레이크 마스터 실린더.The brake master cylinder of claim 1, further comprising a fixing ring which is fastened by passing the rod through an inlet of the cylinder to smoothly flow the rod of the push rod.
KR1020000061199A 2000-10-18 2000-10-18 Brake master cylinder KR20020030875A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011031001A1 (en) * 2009-09-11 2011-03-17 Jeon Won Joo Vehicle braking device
KR102110279B1 (en) * 2019-01-24 2020-05-13 서영대학교 산학협력단 Variable brake system for a homemade car

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4410568Y1 (en) * 1965-11-05 1969-04-28
JPS5298872A (en) * 1976-02-17 1977-08-19 Akebono Brake Ind Co Ltd Liquid pressure generator in 2-system brake
JPH0392467A (en) * 1989-08-31 1991-04-17 Mercedes Benz Ag Twin master cylinder for hydraulic two-circuit type brake equipment for running vehicle

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4410568Y1 (en) * 1965-11-05 1969-04-28
JPS5298872A (en) * 1976-02-17 1977-08-19 Akebono Brake Ind Co Ltd Liquid pressure generator in 2-system brake
JPH0392467A (en) * 1989-08-31 1991-04-17 Mercedes Benz Ag Twin master cylinder for hydraulic two-circuit type brake equipment for running vehicle

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011031001A1 (en) * 2009-09-11 2011-03-17 Jeon Won Joo Vehicle braking device
KR102110279B1 (en) * 2019-01-24 2020-05-13 서영대학교 산학협력단 Variable brake system for a homemade car

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