KR100264267B1 - Brake for automobile - Google Patents

Brake for automobile Download PDF

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Publication number
KR100264267B1
KR100264267B1 KR1019960064671A KR19960064671A KR100264267B1 KR 100264267 B1 KR100264267 B1 KR 100264267B1 KR 1019960064671 A KR1019960064671 A KR 1019960064671A KR 19960064671 A KR19960064671 A KR 19960064671A KR 100264267 B1 KR100264267 B1 KR 100264267B1
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KR
South Korea
Prior art keywords
pressurizing
brake
cylinder
pad
conical
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KR1019960064671A
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Korean (ko)
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KR19980046348A (en
Inventor
이봉상
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정몽규
현대자동차주식회사
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Priority to KR1019960064671A priority Critical patent/KR100264267B1/en
Publication of KR19980046348A publication Critical patent/KR19980046348A/en
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Publication of KR100264267B1 publication Critical patent/KR100264267B1/en

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D55/00—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes
    • F16D55/02—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members
    • F16D55/22—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads
    • F16D55/228—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a separate actuating member for each side
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D65/00—Parts or details
    • F16D65/02—Braking members; Mounting thereof
    • F16D65/04—Bands, shoes or pads; Pivots or supporting members therefor
    • F16D65/092—Bands, shoes or pads; Pivots or supporting members therefor for axially-engaging brakes, e.g. disc brakes

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Braking Arrangements (AREA)

Abstract

PURPOSE: A vehicle brake is provided to enhance brake power by combining a conical pressurizing body horizontally moved with a spline and by sticking the pressurizing body to a frictional pad with hydraulic pressure. CONSTITUTION: A brake consists of a conical pressurizing body(2) horizontally moved in a vehicle shaft with a spline(1); a frictional pad(3) contacted with the pressurizing body face to face in a conical shape and fixed to a vehicle body; and a pressurizing device pressurizing the pressurizing body to the frictional pad and interlocking with a tire wheel. The pressurizing device contains a valve body(5) having a cylinder(4) and a rod(8) having a piston(6) in one side and a pressurizing pad(7) in the other side to be inserted into the cylinder. When fluid is fed to the cylinder from a master cylinder, the pressurizing pad pressurizes the pressurizing body and sticking the pressurizing body to the frictional pad to generate brake power.

Description

자동차용 브레이크Car brakes

본 발명은 자동차용 브레이크에 관한 것이다.The present invention relates to a brake for an automobile.

일반적으로, 자동차의 브레이크 장치는 푸트 브레이크와 주차 브레이크로 구분되는 바, 상기한 푸트 브레이크는 승용차의 경우 유압을 사용하여 4륜에 장착된 디스크 브레이크 또는 드럼 브레이크를 제어함으로써 자동차의 제동력을 발생시키게 되는 것이다.In general, a brake device of a vehicle is classified into a foot brake and a parking brake. The foot brake generates a braking force of a vehicle by controlling a disc brake or a drum brake mounted on four wheels using hydraulic pressure in a passenger car. will be.

여기서, 상기한 브레이크 장치는 회전되는 타이어를 유압으로 정지시킴으로써 상기한 타이어와 노면의 마찰에 의해 차량을 정지시키게 되는 바, 이는 제3도에 도시된 바와 같이 브레이크 페달(50)과, 상기한 브레이크 페달(50)에 연결되어 있는 마스터 실린더(51)와, 상기한 마스터 실린더(51)와 연결되어 있을 뿐만 아니라 고압 공기가 인가되는 부스터(52)와, 상기한 마스터 실린더(51)와 연결되어 있는 전, 후륜 브레이크(53, 54)로 구성되어 있다.Here, the brake device is to stop the vehicle by the friction of the tire and the road surface by hydraulically stopping the rotating tire, which is the brake pedal 50 and the brake as shown in FIG. The master cylinder 51 connected to the pedal 50, the master cylinder 51 and the booster 52 to which high pressure air is applied, and the master cylinder 51 are connected. The front and rear wheel brakes 53 and 54 are configured.

상기한 브레이크는 승용차의 경우 디스크 브레이크가 많이 사용되는 바, 이는 제4도에 도시된 바와 같이 허브(H)와 연동하는 디스크(55)와, 상기한 디스크(55)를 간헐 제한하도록 감싸면서 마스터 실린더(51)에 연결 설치된 캘리퍼 어셈블리(56)로 구성되어 있다.In the case of a passenger car, a disc brake is used a lot, and as shown in FIG. 4, the brake is interlocked with the disc 55 interlocking with the hub H and the disc 55 intermittently. It consists of the caliper assembly 56 connected to the cylinder 51 and installed.

즉, 페달 답력과 부스터(52)의 배력에 의한 유압이 전, 후륜 브레이크(53, 54)의 캘리퍼 어셈블리(56)를 제어함으로써 제동력을 발생시키게 되는 것이다.That is, the hydraulic pressure caused by the pedal effort and the booster 52 is to generate the braking force by controlling the caliper assembly 56 of the front and rear wheel brakes 53 and 54.

그러나, 상기한 바와 같은 디스크를 캘리퍼 어셈블리로 제한하여 제동력을 발생시키게 되면 판상 회전체 일부분을 가압하여 제동하게 되는 것이기 때문에 제동력이 낮은 문제점이 있다.However, when the above-mentioned disk is limited to the caliper assembly to generate a braking force, the braking force is low because it presses and brakes a portion of the plate-shaped rotating body.

따라서, 본 발명의 목적은 상기한 문제점을 해결하기 위한 것으로서, 차축에 스플라인으로 수평 이동 가능한 원추형의 가압체를 결합하고, 상기한 가압체를 마찰 패드에 밀착시키도록 마스터 실린더로부터의 유압으로 가압할 수 있게 함으로써 제동력을 향상시킬 수 있는 자동차용 브레이크를 제공함에 있다.Accordingly, an object of the present invention is to solve the above problems, and to couple the axle shaft to a spline horizontally movable conical, and to pressurize hydraulically from the master cylinder to bring the pressure body into close contact with the friction pad. The present invention provides an automobile brake that can improve braking force.

제1도는 본 발명에 따른 자동차용 브레이크를 도시한 단면도.1 is a cross-sectional view showing a brake for an automobile according to the present invention.

제2도는 제1도의 주요부 확대 단면도.2 is an enlarged cross-sectional view of the main part of FIG.

제3도는 일반적인 자동차용 브레이크 장치를 도시한 개략 사시도.3 is a schematic perspective view showing a general brake device for a vehicle.

제4도는 제3도에서 디스크 브레이크를 도시한 부분 절개 단면도.4 is a partial cutaway sectional view of the disc brake in FIG.

* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings

1 : 스플라인 2 : 가압체1: spline 2: pressurized body

3 : 마찰 패드 4 : 실린더3: friction pad 4: cylinder

5 : 밸브체 6 : 피스톤5: valve body 6: piston

7 : 가압 패드 8 : 로드7: pressure pad 8: rod

상기한 목적을 실현하기 위하여 본 발명은 브레이크에 유압을 인가하는 마스터 실린더를 포함하는 자동차용 브레이크 장치의 차축에 스플라인으로 결합된 원추형의 가압체를 수평 이동 가능하도록 하고, 상기한 가압체의 측면과 면접촉되도록 원추형으로 바디에 고정된 마찰 패드를 형성하고, 상기한 가압체를 마찰 패드에 밀착시킬 수 있도록 함과 동시에 이를 마스터 실린더로부터의 유압을 가압할 수 있도록 타이어의 휠에 설치되어 있도록 하였다.In order to realize the above object, the present invention is to enable horizontal movement of the conical press body coupled by the spline to the axle of the brake device for a vehicle including a master cylinder for applying hydraulic pressure to the brake, A friction pad fixed to the body was formed in a conical shape so as to be in surface contact, and the pressure body was in close contact with the friction pad, and at the same time, it was installed on the wheel of the tire to pressurize hydraulic pressure from the master cylinder.

이하, 본 발명에 대하여 첨부된 도면에 따라 상세히 설명한다.Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

제1도는 본 발명에 따른 자동차용 브레이크를 도시한 단면도이고, 제2도는 그 주요부를 확대한 단면도이다.1 is a cross-sectional view showing a brake for an automobile according to the present invention, and FIG. 2 is an enlarged cross-sectional view of a main part thereof.

제1도에서 도시된 바와 같이, 본 발명은 차축(D)에 스플라인(1)으로 결합되어 수평 이동 가능한 원추형의 가압체(또는 테이프진 디스크)(2)와, 상기한 가압체(2)의 측면과 면접촉되도록 원추형으로 형성됨과 아울러 바디(미 도시)에 고정된 마찰 패드(3)와, 상기한 가압체(2)를 마찰 패드(3)에 밀착시키도록 가압하고 타이어(T)의 휠(W)에 설치되어 연동하는 가압 수단으로 구성되어 있다.As shown in FIG. 1, the present invention is a conical press body (or taped disk) 2 which is coupled to the axle D by a spline 1 and is movable horizontally, and the press body 2 described above. It is formed in a conical shape so as to be in contact with the side surface and the friction pad (3) fixed to the body (not shown), and the pressing body (2) is pressed to close contact with the friction pad (3) and the wheel of the tire (T) It is comprised by the pressurization means provided in (W) and interlock | worked.

상기한 가압 수단은 휠(W)에 고정됨과 아울러 마스터 실린더(51)에서의 유압을 인가받도록 실린더(4)가 형성된 밸브체(5)와, 상기한 실린더(4)에 삽입되도록 일측에 피스톤(6)이 형성되고 타단에 가압 패드(7)가 형성된 로드(8)로 구성되어 있다.The pressurizing means is fixed to the wheel (W) and the valve body (5) in which the cylinder (4) is formed to receive the hydraulic pressure from the master cylinder (51), and the piston (1) to be inserted into the cylinder (4). It consists of the rod 8 in which 6) was formed and the pressure pad 7 was formed in the other end.

즉, 상기한 마스터 실린더(51)에서 유체가 실린더(4)에 인가되면 가압 패드(7)가 가압체(2)를 압박함과 아울러 마찰 패드(3)에 밀착시켜 제동력을 발생시키게 되는 것이다.In other words, when the fluid is applied to the cylinder 4 in the master cylinder 51, the pressure pad 7 presses the pressure body 2 and closes the friction pad 3 to generate a braking force.

상기한 바와 같은 본 발명의 작용관계를 설명하면 다음과 같다.Referring to the working relationship of the present invention as described above are as follows.

자동차의 주행중 운전자가 브레이크 페달(50)을 밟게 되면 마스터 실린더(51)에서 유압이 발생됨과 아울러 상기한 유압이 실린더(4)에 작용하게 된다.When the driver presses the brake pedal 50 while driving the vehicle, hydraulic pressure is generated in the master cylinder 51 and the hydraulic pressure acts on the cylinder 4.

실린더(4)에 유압이 작용하게 되면 피스톤(6)을 가압체(2) 방향으로 이동시키게 되는 바, 상기한 피스톤(6)이 스플라인(1)을 따라 이동하게 되면 가압 패드(7)가 가압체(2)에 밀착됨과 아울러 상기한 가압체(2)를 마찰 패드(3) 방향으로 이동시키게 된다.When the hydraulic pressure acts on the cylinder 4, the piston 6 is moved in the direction of the pressurizing body 2. When the piston 6 moves along the spline 1, the pressure pad 7 pressurizes. In addition to being in close contact with the sieve 2, the pressing body 2 is moved in the direction of the friction pad 3.

가압체(2)가 마찰 패드(3) 방향으로 이동되면 마찰 패드(3)와의 마찰에 의해 제동력을 발생시키게 된다.When the pressing body 2 is moved in the direction of the friction pad 3, a braking force is generated by friction with the friction pad 3.

특히, 상기한 제동력은 가압 패드(7)가 일정한 유압으로 가압체(2)와 마찰 패드(3)를 밀착시키고 있는 상태에서 원추형의 가압체(2)와 마찰 패드(3)가 조여지는 형상이 됨으로써 제동력이 배가된다.In particular, the braking force is a shape in which the conical press 2 and the friction pad 3 are tightened while the press pad 7 is in close contact with the press body 2 and the friction pad 3 at a constant hydraulic pressure. This doubles the braking force.

즉, 원추형 면으로 접촉되는 가압체(2)와 마찰 패드(3)가 접촉되어 회전될 때 상기한 원추형의 형상에 의해 가압체(2)가 마찰 패드(3)에 압입되는 상태가 됨으로써 제동력이 향상되는 것이다.That is, when the press body 2 and the friction pad 3 contacted with the conical surface are rotated in contact with each other, the press body 2 is pressed into the friction pad 3 due to the conical shape described above. To improve.

물론, 상기한 가압체(2)와 마찰 패드(3)의 원추 기울기 및 접촉 면적등은 차종에 따라 적절하게 조절하게 된다.Of course, the inclination and contact area of the pressing body 2 and the friction pad 3 are appropriately adjusted according to the vehicle model.

이 상태에서 운전자가 브레이크 페달(50)을 해제시키게 되면 피스톤(6)이 우측으로 이동함과 아울러 가압체(2)는 회전력에 의해 마찰 패드(3)와 이격됨으로써 제동 작용을 종료하게 된다.When the driver releases the brake pedal 50 in this state, the piston 6 moves to the right, and the press body 2 is spaced apart from the friction pad 3 by the rotational force to terminate the braking action.

이상과 같이 본 발명은 원추형의 마찰 패드와 가압체를 차축과 바디에 형성하고, 이를 피스톤으로 가압시킴으로써 원추형(또는 테이프진 디스크)이 각지점에서 R값이 다르게 되어 억지끼움에 의해, 즉 가압체와 마찰 패드의 끼워지는 동작에 의해 제동력이 향상되는 잇점이 있는 것이다.As described above, the present invention forms a conical friction pad and a pressing body on the axle and the body, and presses it with a piston so that the conical (or taped disk) has a different R value at each point, thereby preventing the press body from being pressed. And the braking force is improved by the fitting operation of the friction pad.

Claims (2)

브레이크에 유압을 인가하는 마스터 실린더를 포함하는 자동차용 브레이크장치에 있어서, 차축에 스플라인으로 결합되어 수평 이동 가능한 원추형의 가압체와, 상기한 가압체의 측면과 면접촉되도록 원추형으로 형성됨과 아울러 바디에 고정된 마찰 패드와, 상기한 가압체를 마찰 패드에 밀착시키도록 마스터 실린더로부터의 유압으로 가압하고 타이어의 휠에 설치되어 연동하는 가압수단을 포함함을 특징으로 하는 자동차용 브레이크 장치.In a brake system for automobiles comprising a master cylinder for applying hydraulic pressure to the brake, the brake device for automobiles is formed in a conical press body which is splined to the axle and is horizontally movable, and conical so as to be in surface contact with the side surface of the press body. And a fixed friction pad, and pressing means for hydraulically pressing the pressurized body from the master cylinder so as to contact the friction pad and installed on the wheel of the tire. 제1항에 있어서, 가압 수단은 허브에 고정됨과 아울러 마스터 실린더에서의 유압을 인가받도록 실린더가 형성된 밸브체와, 상기한 실린더에 삽입되도록 일측에 피스톤이 형성되고 타단에 가압 패드가 형성된 로드로 구성함을 특징으로 하는 자동차용 브레이크 장치.According to claim 1, wherein the pressurizing means is composed of a valve body is fixed to the hub and the cylinder is formed to receive the hydraulic pressure from the master cylinder, and a rod formed with a piston on one side and a pressure pad on the other end to be inserted into the cylinder Automotive brake device characterized in that.
KR1019960064671A 1996-12-12 1996-12-12 Brake for automobile KR100264267B1 (en)

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Application Number Priority Date Filing Date Title
KR1019960064671A KR100264267B1 (en) 1996-12-12 1996-12-12 Brake for automobile

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Application Number Priority Date Filing Date Title
KR1019960064671A KR100264267B1 (en) 1996-12-12 1996-12-12 Brake for automobile

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KR19980046348A KR19980046348A (en) 1998-09-15
KR100264267B1 true KR100264267B1 (en) 2000-08-16

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CN112032223A (en) * 2020-09-03 2020-12-04 安徽博耐克摩擦材料有限公司 Automobile brake pad with good flutter reducing performance and preparation method thereof

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