KR200421638Y1 - A brake diske of the floating-caliper tipe - Google Patents

A brake diske of the floating-caliper tipe Download PDF

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Publication number
KR200421638Y1
KR200421638Y1 KR2020060011324U KR20060011324U KR200421638Y1 KR 200421638 Y1 KR200421638 Y1 KR 200421638Y1 KR 2020060011324 U KR2020060011324 U KR 2020060011324U KR 20060011324 U KR20060011324 U KR 20060011324U KR 200421638 Y1 KR200421638 Y1 KR 200421638Y1
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South Korea
Prior art keywords
disk
brake
pad
friction
floating
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KR2020060011324U
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Korean (ko)
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송진호
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송진호
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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
    • F16D65/00—Parts or details
    • F16D65/02—Braking members; Mounting thereof
    • F16D65/12—Discs; Drums for disc brakes
    • F16D65/122—Discs; Drums for disc brakes adapted for mounting of friction pads
    • 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
    • F16D55/224—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 common actuating member for the braking members
    • F16D55/225—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 common actuating member for the braking members the braking members being brake pads
    • F16D55/226—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 common actuating member for the braking members the braking members being brake pads in which the common actuating member is moved axially, e.g. floating caliper disc brakes
    • F16D55/2262—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 common actuating member for the braking members the braking members being brake pads in which the common actuating member is moved axially, e.g. floating caliper disc brakes the axial movement being guided by open sliding surfaces, e.g. grooves
    • 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
    • F16D2065/13—Parts or details of discs or drums
    • F16D2065/1304—Structure
    • F16D2065/1316—Structure radially segmented
    • 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
    • F16D2065/13—Parts or details of discs or drums
    • F16D2065/1304—Structure
    • F16D2065/1328—Structure internal cavities, e.g. cooling channels
    • 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
    • F16D2065/13—Parts or details of discs or drums
    • F16D2065/1304—Structure
    • F16D2065/1336—Structure integral part of vehicle wheel

Abstract

본 고안은 플로팅-캘리퍼 타입의 브레이크 디스크에 관한 것으로 자동차의 브레이크 기구의 한 종류인 플로팅-캘리퍼 타입의 디스크 블레이크( Diske brake of the floatimg-callper type)에 있어서, 마찰패드(friction pad)가 접촉되는 브레이크 디스크의 양쪽 마찰면에 다수개의 배출홈을 방사상으로 각각 형성하므로서 유압에 의하여 패드가 디스크의 양측 마찰면을 압착하여 차륜의 회전을 제동할 때, 디스크의 회전마찰에 의해 마모, 탈락된 패드의 조성(組成) 물질이 상기 배출홈에 빠져 외부로 배출되어서 제동 시에 시종 디스크의 마찰면에 패드가 공극 없이 밀착 유지가 가능하여 제동력을 보다 향상시킬 수 있는 브레이크 디스크를 제공한다.The present invention relates to a brake disc of a floating-caliper type, in which a friction pad is contacted in a disk brake of the floatimg-callper type, which is a kind of brake mechanism of an automobile. A plurality of discharge grooves are radially formed on both friction surfaces of the brake disc, so that the pads are pressed against both sides of the disk by hydraulic pressure to brake the rotation of the wheels. The composition material is discharged to the discharge grooves to the outside to provide a brake disk that can be maintained in close contact with the pads on the friction surface of the disc at the time of braking without voids to further improve the braking force.

브레이크 디스크, 마찰면, 배출홈, 마찰패드 Brake disc, friction surface, discharge groove, friction pad

Description

플로팅-캘리퍼 타입의 브레이크 디스크{A BRAKE DISKE OF THE FLOATING-CALIPER TIPE}Brake disc of floating-caliper type {A BRAKE DISKE OF THE FLOATING-CALIPER TIPE}

도1은 본 고안의 배출홈이 양측 마찰면에 형성된 브레이크 디스크의 외측면도1 is an outer side view of a brake disc in which the discharge groove of the present invention is formed on both friction surfaces;

도2는 동 브레이크 디스크의 내측면도2 is an inner side view of the brake disc;

도3은 본 고안의 브레이크 디스크의 배출홈을 통하여 마모물질이 배출되는 작용설명도Figure 3 is an explanatory view of the action that the wear material is discharged through the discharge groove of the brake disk of the present invention

도4는 본 고안의 브레이크 디스크에 마찰 패드가 압착된 상태의 정면도Figure 4 is a front view of the friction pad is pressed on the brake disk of the present invention

도5는 본 고안의 브레이크 디스크의 배출홈으로 마찰패드의 마모물질이 탈락 배출되어 브레이크 디스크와 마찰 패드의 밀착유지 되는 상태의 설명도5 is an explanatory view of a state in which the wear material of the friction pad is dropped and discharged to the discharge groove of the brake disc of the present invention to keep the brake disc and the friction pad in close contact with each other;

도6은 종래의 브레이크 디스크와 마찰 패드의 접촉면에 마모물질이 끼여 미끄럼을 유발하는 상태의 확대 설명도6 is an enlarged explanatory view of a state where a wear material is caught on a contact surface of a conventional brake disc and a friction pad to cause slippage;

[도면 중 중요한 부분에 대한 부호 설명][Sign Explanation for Important Parts of Drawing]

1 : 디스크 2 : 마찰면 3 : 배출홈 4 : 마찰 패드DESCRIPTION OF SYMBOLS 1 Disc 2 Friction surface 3 Discharge groove 4 Friction pad

본 고안은 플로팅 캘리퍼 타입의 브레이크 디스크(brake diske of the floating-caliper tipe)에 관한 것이다.The present invention relates to a brake disk of the floating caliper type.

일반적으로 차량의 제동장치는 브레이크 패달의 조작으로 유압에 의하여 드럼의 원주면을 마찰 슈(frictin shoe)가 압착하여 제동하는 드럼형 브레이크와, 유압에 의하여 브레이크 디스크(로터)의 양측 마찰면을 마찰 패드(fiction pad)가 압착하여 제동하는 소위 플로팅-캘리퍼 타입의 디스크 브레이크가 있다.Generally, a brake device of a vehicle is a drum type brake in which a friction shoe is squeezed and braked by a hydraulic shoe by operating a brake pedal, and a friction surface of both sides of a brake disc (rotor) is operated by hydraulic pressure. There is a so-called floating-caliper type disc brake, in which a fiction pad is squeezed and braked.

본 고안과 관련한 종래의 플로팅 캘리퍼 타입의 브레이크 디스크(이하 디스크라 함)는 마찰 패드(이하 패드라 함)의 접촉면을 크게 하고 마찰력을 높이기 위하여 평활한 거울면으로 형성되어 있다.The conventional floating caliper type brake disk (hereinafter referred to as a disk) according to the present invention is formed with a smooth mirror surface to enlarge the contact surface of the friction pad (hereinafter referred to as a pad) and to increase frictional force.

이러한 종래의 디스크 브레이크는 도6에 표시된 바와 같이, 브레이크 패달을 밟아 제동할 때 제동초기에는 차륜과 함께 회전되고 있는 디스크의 양측 마찰면에 패드가 유압에 의하여 밀착되어 제동력이 발생되나 이와 동시에, 차륜의 회전에 따른 디스크의 회전마찰에 의하여 패드의 조성물질이 마모되어 탈락되면서 디스크와 패드의 접촉면 사이에 마모물질이 끼이게 된다. 이로 인하여 디스크와 패드의 접촉면에 간극이 벌어지면서 탈락된 마모물질이 미끄럼을 유발하여 제동력이 저하되는 문제점이 있었다.In the conventional disc brake, as shown in FIG. 6, when the brake pedal is braked under the brake pedal, the pad is in close contact with the friction surfaces of the disc being rotated together with the wheel by hydraulic pressure to generate a braking force at the same time. As the composition of the pad is worn off by the rotational friction of the disk according to the rotation of the disk, the wear material is caught between the contact surface of the disk and the pad. As a result, the gap between the contact surface of the disk and the pad is widened, causing the wear material that is dropped to slip, causing the braking force to decrease.

본 고안은 종래의 이러한 문제점을 시정하기 위하여, 디스크의 양측 마찰면에 디스크의 허브(hub)에서 디스크의 원주의 방향으로 패드의 마모물질이 배출되는 여러 개의 배출홈을 방사상으로 형성하였다. 이때 배출홈은 디스크의 회전방향의 반대방향으로 회전력과 회전 원심력이 작용하는 방향과 직교되는 각도보다 작은 각을 이루는 회오리형상으로 만곡되게 배출홈을 형성하여 배출물질이 보다 용이하게 배출되게 하였다.In order to correct this problem in the related art, a plurality of discharge grooves radially formed on the friction surfaces of the discs in which the wear material of the pads is discharged in the direction of the circumference of the disc at the hub of the disc. At this time, the discharge groove is formed to be discharged more easily by forming the discharge groove bent in a whirlwind shape forming an angle smaller than the angle orthogonal to the direction of rotation and centrifugal force in the opposite direction of the rotation of the disk.

본 고안의 디스크의 양측 마찰면의 위치에는 유압실린더와 피스톤에 의하여 작동하는 패드가 각각 대향되게 소정의 간극을 두고 장착되며 브레이크 패달을 밟으면 유압계통을 통하여 공급된 유압에 의하여 피스톤의 작동으로 패드가 디스크측으로 작동하여 디스크의 양측 마찰면에 밀착되면서 제동작용을 한다. 이때도 종래의 것처럼 디스크의 회전마찰에 의하여 압착된 패드의 조성물질이 마모되어 탈락된다. 그러나 탈락된 마모물질은 곧바로 배출홈으로 빠지면서 디스크의 회전 원심력으로 배출홈을 통하여 외부로 용이하게 배출된다.In the position of the friction surface of the disk of the present invention, the hydraulic cylinder and the pad operated by the piston are mounted to face each other with a predetermined gap. When the brake pedal is pressed, the pad is operated by the hydraulic pressure supplied through the hydraulic system. It acts on the disk side and closes to the friction surfaces on both sides of the disk to brake. In this case as well, the composition of the pad squeezed by the rotational friction of the disk is worn out and dropped. However, the dropped wear material immediately falls into the discharge groove and is easily discharged to the outside through the discharge groove by the centrifugal force of the disk.

따라서 디스크와 패드의 접촉면에는 종래와 같은 마모물질이 끼여 있지 않기 때문에 디스크의 양측 마찰면에 패드가 간극 없이 시종 밀착유지가 가능하고 이로 인하여 그만큼 제동력이 향상되어 차량의 제동거리가 보다 단축될 수 있으며 종래의 것에 비하여 제동의 능력과 안전성이 그만큼 향상되어 보다 유효하게 사용할 수 있게 안출한 것이다.Therefore, since the contact surface between the disk and the pad is not stuck with the conventional wear material, the pad can be kept in close contact with the friction surface on both sides of the disk without gaps, thereby improving the braking force and shortening the braking distance of the vehicle. Compared with the conventional one, the braking ability and safety are improved by that much, and it is designed to be used more effectively.

도1및 도2에 표시된 바와 같이, 통상의 플로팅-캘리퍼 타입의 브레이크 디스크에 있어서, 패드(4)가 압착되는 디스크(1)의 양측 마찰면(2)에 각각 디스크 허브(h)의 중심부에서 디스크의 원주(c)의 방향으로 패드의 마모물질이 배출되는 여러 개의 배출홈(3)을 방사상으로 형성한다. 이때 배출홈(3)은 디스크(1)의 회전방향의 반대방향으로 회전력(d)과 회전 원심력(f)이 작용하는 방향과 직교되는 각도(t)보다 작은 각도(a)를 이루는 회오리형상으로 만곡되게 각각 형성하여 구성된 것이다.As shown in Figs. 1 and 2, in a conventional floating-caliper type brake disc, at the center of the disc hub h, respectively, on both side friction surfaces 2 of the disc 1, to which the pad 4 is squeezed. A plurality of discharge grooves 3 are formed radially in which the wear material of the pad is discharged in the direction of the disk circumference c. At this time, the discharge groove (3) is in a whirlwind shape that forms an angle (a) that is smaller than the angle (t) orthogonal to the direction in which the rotational force (d) and the centrifugal force (f) act in the opposite direction of rotation of the disk (1). It is formed by forming each curved.

본 고안의 실시예에서는 배출홈(3)의 폭과 깊이는 각각 3mm정도이고 배출홈의 단면은 곡면으로 형성하는 것이 바람직하며 그러나 이에 한정되는 것은 아니다.In the embodiment of the present invention, the width and depth of the discharge groove 3 is each about 3mm and the cross section of the discharge groove is preferably formed in a curved surface, but is not limited thereto.

도면중 미설명부호 s 는 브레이크 실린더, p 는 브레이크 피스톤이다.In the drawings, reference numeral s denotes a brake cylinder, and p denotes a brake piston.

이와 같이 된 본 고안은 도3및 도4에 표시된 바와 같이 차량의 주행 중 브레이크 패달을 밟아 작동시키면 도시되지 않은 유압계통을 통하여 공급된 유압에 의하여 브레이크 피스톤이 작동되어 디스크(1)의 양 측면(2)에 소정의 틈을 두고 대향하여 장착된 패드(4)가 각각 디스크(1)측으로 가압되어 디스크(1)의 양측 마찰면(2)에 압착되어 제동시킨다.3 and 4, when the brake pedal is operated while the vehicle is driven, the brake piston is operated by the hydraulic pressure supplied through the hydraulic system (not shown), so that both sides of the disk 1 The pads 4, which face each other with a predetermined gap in 2), are pressed toward the disk 1 side, and are pressed and braked on both friction surfaces 2 of the disk 1, respectively.

이때도 종래의 것처럼 디스크(1)의 회전마찰에 의하여 압착된 패드(4)의 조성물질이 마모되어 탈락된다. 그러나 탈락된 마모물질(m)은 곧 배출홈(3)으로 빠지면서 디스크(1)의 회전 원심력의 작용으로 도3의 화살표와 같이 배출홈(3)을 통하여 외부로 배출된다.At this time as well, the composition of the pad 4 compressed by the rotational friction of the disk 1 is worn out and dropped. However, the dropped wear material m falls into the discharge groove 3 and is discharged to the outside through the discharge groove 3 as shown by the arrow of FIG. 3 by the action of the rotating centrifugal force of the disc 1.

도5에 표시된 바와 같이, 디스크(1)의 양측 마찰면(2)과 패드(4)의 접촉면에는 종래와 같은 마모물질(m)이 끼여 있지 않고 배출홈(3)으로 빠지기 때문에 마모물질(m)이 디스크 외부로 빠지기 전이라도 디스크(1)의 양 측면(2)에 패드(4)가 간극 없이 시종 밀착유지가 가능하다.As shown in Fig. 5, the contact surface between the friction surface 2 on both sides of the disk 1 and the pad 4 does not have a conventional wear material m, but falls into the discharge groove 3 so that the wear material m The pad 4 can be kept in close contact with both sides 2 of the disk 1 without any gap even before the pad is pulled out of the disk.

따라서, 디스크(1)에 대한 유압에 의한 패드(4)의 압착력이 보다 강력하게 유지되어 미끄럼 없이 디스크의 제동력이 보다 향상되어 차량의 제동거리가 보다 단축될 수 있다.Therefore, the pressing force of the pad 4 by the hydraulic pressure to the disk 1 is more strongly maintained, so that the braking force of the disk can be further improved without slipping, and the braking distance of the vehicle can be shortened further.

본 고안은 브레이크 디스크의 양측 마찰면에 회오리형상의 여러 개의 배출홈을 형성하였기 때문에 차륜의 제동 시에 발생되는 패드의 마모물질이 디스크의 마찰면과 패드의 접촉면에 끼이지 않고 곧바로 배출홈으로 빠져 배출되어서 디스크의 마찰면에 패드가 시종 간극 없이 밀착유지가 가능하여 제동력이 그만큼 강력하게 된다. 또 제동의 능력과 안전성이 보다 향상되어 종래의 브레이크 디스크에 비하여 보다 안전하고 유효하게 사용할 수 있는 효과가 있다.In the present invention, since a plurality of whirlwind discharge grooves are formed on both friction surfaces of the brake disc, the wear material of the pad generated during braking of the wheel does not get caught in the friction surface of the disk and the pad contact surface, and immediately falls into the discharge groove. It is discharged, so that the pad can be kept in close contact with the friction surface of the disk without any gap, and the braking force is so strong. In addition, the braking ability and safety is further improved, which is more safe and effective than conventional brake discs.

Claims (2)

통상의 플로팅-캘리퍼 타입의 블레이크 디스크에 있어서, 패드(4)가 압착되는 디스크(1)의 양측 마찰면(2)에 각각 디스크 허브(h)에서 디스크의 원주(c)의 방향으로 패드의 마모물질이 배출되는 여러 개의 배출홈(3)을 방사상으로 형성하여 구성된 것을 특징으로 하는 플로팅-캘리퍼 타입의 브레이크 디스크.In a conventional floating-caliper type brake disc, the wear of the pad in the direction of the circumference (c) of the disk at the disk hub (h), respectively, on both friction surfaces (2) of the disk (1) on which the pad (4) is pressed. Floating-caliper type brake disc, characterized in that formed by forming a plurality of discharge grooves (3) radially discharged material. 제1항에 있어서 배출홈(3)은 디스크(1)의 회전방향과 역방향으로 회전력(d)과 회전 원심력(f)이 작용하는 방향이 직교되는 각도(t)보다 작은 각도(a)를 이룰 수 있는 회오리형상으로 만곡되게 각각 형성하여 구성된 플로팅-캘리퍼 타입의 브레이크 디스크The discharge groove (3) according to claim 1, wherein the discharge groove (3) forms an angle (a) smaller than the angle (t) at which the direction in which the rotational force (d) and the rotational centrifugal force (f) act in the opposite direction to the rotational direction of the disk (1) is orthogonal. Floating-caliper type brake discs, each formed in a curved tornado shape
KR2020060011324U 2006-04-27 2006-04-27 A brake diske of the floating-caliper tipe KR200421638Y1 (en)

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