KR100862471B1 - Disc brake of a vehicles - Google Patents

Disc brake of a vehicles Download PDF

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Publication number
KR100862471B1
KR100862471B1 KR1020070095983A KR20070095983A KR100862471B1 KR 100862471 B1 KR100862471 B1 KR 100862471B1 KR 1020070095983 A KR1020070095983 A KR 1020070095983A KR 20070095983 A KR20070095983 A KR 20070095983A KR 100862471 B1 KR100862471 B1 KR 100862471B1
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KR
South Korea
Prior art keywords
chamfer
brake
vehicle
operated
length
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KR1020070095983A
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Korean (ko)
Inventor
고은배
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현대자동차주식회사
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Priority to KR1020070095983A priority Critical patent/KR100862471B1/en
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Publication of KR100862471B1 publication Critical patent/KR100862471B1/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
    • F16D65/00—Parts or details
    • F16D65/14—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position
    • F16D65/16—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged in or on the brake
    • F16D65/18—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged in or on the brake adapted for drawing members together, e.g. for disc brakes
    • 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
    • F16D55/2265—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 one or more pins engaging bores in the brake support or the brake housing
    • F16D55/227—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 one or more pins engaging bores in the brake support or the brake housing by two or more pins
    • 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
    • F16D2121/00—Type of actuator operation force
    • F16D2121/02—Fluid pressure
    • F16D2121/04—Fluid pressure acting on a piston-type actuator, e.g. for liquid pressure
    • 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
    • F16D2125/00—Components of actuators
    • F16D2125/02—Fluid-pressure mechanisms
    • F16D2125/04—Cylinders
    • 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
    • F16D2125/00—Components of actuators
    • F16D2125/02—Fluid-pressure mechanisms
    • F16D2125/08—Seals, e.g. piston seals

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

Abstract

A disc brake of vehicles is provided to change length of a chamfer by changing the shape of a sealing member installed at the chamfer of a cylinder groove. A disc brake of vehicles comprises a caliper housing, a piston, a caliper carrier, a back plate, and brake pads. The piston moves straight in a wheel cylinder(110) of the caliper housing. The caliper housing is installed in the front of the caliper housing. The back plate is fixed to the caliper carrier. The brake pads are attached to the back plate and press both sides of a disk to generate friction between the disk and the brake pad. A cylinder groove(111) with a chamfer(111a) is formed at the wheel cylinder. A sealing member, a rubber seal, is fixed in the cylinder groove. A high expansion rubber(170), which is installed at the chamfer of the cylinder groove, is extended and contracted by hydraulic pressure, thereby shortening length of the chamfer or returning the length to an original one.

Description

차량용 디스크 브레이크{disc brake of a vehicles}Disc brake of a vehicles

본 발명은 차량용 디스크 브레이크에 관한 것으로서, 더욱 더 상세하게는 차량의 운행 상태에 따라 실링부재가 탄성변형 및 복원되도록 하는 챔퍼의 길이가 가변되면서 조절되도록 하는 차량용 디스크 브레이크에 관한 것이다.The present invention relates to a disc brake for a vehicle, and more particularly, to a disc brake for a vehicle to be adjusted while varying the length of the chamfer to allow the sealing member to elastically deform and restore according to the driving state of the vehicle.

일반적인 디스크 브레이크 시스템(Disc Brake System)은 캘리퍼 하우징, 피스톤, 실(seal), 브레이크 패드(shoe & lining), 그리고 로터(Rotor)로 구성되어 있다.A typical disc brake system consists of a caliper housing, a piston, a seal, a brake & lining, and a rotor.

이를 구체적으로 설명하면, 일반적으로 차량의 제동장치로서 사용되는 디스크 브레이크의 구조는 도 1과 도 2 및 도 3에 도시된 바와 같이, 주철재질의 안장 모양으로 형성되어 너클 스핀들에 부착되는 캘리퍼 하우징(100)과, 이 캘리퍼 하우징(100)에 의해 형성된 휠 실린더(110) 내에 장착되면서 유압의 힘을 이용해 직선으로 이동하는 피스톤(120)과, 상기 캘리퍼 하우징(100)의 전면에 가이드 로드(170)를 매개로 결합되는 캘리퍼 캐리어(130)와, 양 측면에 형성된 슬라이드 돌 기가 캘리퍼 캐리어(130)에 형성된 슬라이드 홈으로 끼워짐으로써 캘리퍼 캐리어(130)와 결합되는 백 플레이트(140)와, 이 백 플레이트(140)의 전면에 결합되어 피스톤(120)이 유압의 힘을 이용해 작동될 때 디스크(200)의 양 측면을 가압하면서 마찰력에 의한 제동력을 발생시키도록 하는 브레이크 패드(150)를 포함하여 구성된다.Specifically, a structure of a disc brake generally used as a brake device of a vehicle is formed in a saddle shape made of cast iron and attached to a knuckle spindle, as shown in FIGS. 1 and 2 and 3. 100, a piston 120 which is mounted in the wheel cylinder 110 formed by the caliper housing 100 and moves in a straight line using hydraulic force, and a guide rod 170 on the front surface of the caliper housing 100. And a back plate 140 coupled to the caliper carrier 130 by fitting the caliper carrier 130 coupled to each other via the slide protrusions formed on both sides of the caliper carrier 130 into the slide grooves formed on the caliper carrier 130. Is coupled to the front of the 140 when the piston 120 is operated by the force of the hydraulic pressure to press the both sides of the disk 200 to generate a braking force by the frictional force It is configured to include a larger pad 150.

상기 휠 실린더(110)에는 실린더홈(111)이 파여져 형성되고, 상기 실린더홈(111)에는 작동이 이루어진 피스톤(120)을 원상복귀시키는 러버 실(rubber seal)인 실링부재(300)가 고정되게 장착된다.A cylinder groove 111 is formed in the wheel cylinder 110, and a sealing member 300, which is a rubber seal for returning the piston 120, which has been operated, is fixed to the cylinder groove 111. Is mounted.

따라서 운전자가 제동력을 발생시키기 위해 브레이크 페달을 밟으면 마스터 실린더에 압력이 가해지면서 휠 실린더(110)의 내부로 유압이 밀려들어와 피스톤(120)을 밖으로 밀어내게 된다.Therefore, when the driver presses the brake pedal to generate the braking force, pressure is applied to the master cylinder and the hydraulic pressure is pushed into the wheel cylinder 110 to push the piston 120 out.

이때, 상기 디스크(200) 쪽으로 밀려나온 피스톤(120)은 캘리퍼 캐리어(130)의 지지구(160)에 위치한 백 플레이트(140)를 직선 이동시키게 되고, 이에 따라 백 플레이트(140)에 결합된 브레이크 패드(150)는 디스크(200)의 일측면과 접촉을 하면서 밀착되게 된다.At this time, the piston 120 pushed out toward the disk 200 linearly moves the back plate 140 located at the support 160 of the caliper carrier 130, and thus the brake coupled to the back plate 140. The pad 150 is in close contact with one side of the disk 200.

그리고 상기 디스크(200)의 일측면과 접촉하여 작동이 멈춘 브레이크 패드(150)는 반작용에 의해 휠 실린더(110)방향으로 힘을 가하게 되고, 또한 캘리퍼 캐리어(130)와 가이드 로드(170)를 통해 연결된 캘리퍼 하우징(100)은 전체적으로 뒤로 밀려나게 되며, 뒤로 밀려난 캘리퍼 하우징(100)은 백 플레이트(140)를 디스크(200)의 타측면 쪽으로 밀어주게 된다.In addition, the brake pad 150 which stops working in contact with one side of the disk 200 exerts a force toward the wheel cylinder 110 by reaction, and also through the caliper carrier 130 and the guide rod 170. The connected caliper housing 100 is pushed back as a whole, and the caliper housing 100 pushed back pushes the back plate 140 toward the other side of the disk 200.

이에 따라, 상기 백 플레이트(140)에 결합된 나머지의 브레이크패드(150)도 디스크(200)의 타측면과 접촉을 하면서 밀착되게 되며, 이로 인해 회전을 하고 있던 디스크(200)는 브레이크패드(150)와의 접촉 시 발생하는 마찰제동력에 의해 회전이 멈춰지게 된다.Accordingly, the remaining brake pads 150 coupled to the back plate 140 also come into close contact with the other side of the disk 200, and thus the disk 200 that is rotating is brake pads 150. The rotation is stopped by the friction braking force that occurs when contacting.

상기한 바와 같이, 브레이크 페달을 작동시키면 유압이 피스톤(120)을 밀고, 이 피스톤(120)은 브레이크 패드(150)와 로터의 마찰력을 형성시켜 차량을 정지시킨다.As described above, when the brake pedal is actuated, the hydraulic pressure pushes the piston 120, which forms a friction force between the brake pad 150 and the rotor to stop the vehicle.

이후, 마스터 실린더에 가해지는 압력이 제거되면 휠실린더(110)의 내부로 피스톤(120)이 실링부재(300)가 원래 모양으로 복원하면서 생기는 복원력에 의해 리턴되어지게 된다.Thereafter, when the pressure applied to the master cylinder is removed, the piston 120 is returned to the inside of the wheel cylinder 110 by the restoring force generated while the sealing member 300 restores its original shape.

따라서 종래에도 상기 실링부재(300)가 설치되는 실린더홈(111)에 챔퍼(111a)를 주어서 실링부재(300)의 변형을 유도함과 동시에 복원력이 증대되도록 하고 있다.Therefore, in the related art, the chamfer 111a is applied to the cylinder groove 111 in which the sealing member 300 is installed to induce deformation of the sealing member 300 and to increase the restoring force.

그러나 종래에는 상기 챔퍼(111a)가 실린더홈(111)의 일측에 고정되게 형성되어지는 관계로, 브레이크 사용횟수가 잦으면서 주행저항이 작은 저속 주행 및 브레이크 사용이 적으면서 주행 저항이 큰 고속 주행시에도 실링부재(300)의 복원성이 동일하여, 잔류 드래그(Drag)가 발생하게 됨은 물론, 상기 드래그(Drag)에 의해 구동저항이 발생하여 연비가 저하되고, 라이닝 수명이 단축되어지게 되는 등의 문제점이 있었다.However, in the related art, since the chamfer 111a is formed to be fixed to one side of the cylinder groove 111, even when the brakes are used frequently and the driving resistance is low and the driving resistance is small while the driving resistance is small, the driving resistance is high. The resiliency of the sealing member 300 is the same, the residual drag (Drag) is generated, as well as the driving resistance is generated by the drag (Drag), such as the fuel economy is lowered, the lining life is shortened, etc. there was.

본 발명은 상기와 같은 문제점을 해결하기 위하여 안출된 것으로서, 차량을 운행 시 브레이크 사용횟수가 잦으면서 주행저항이 작은 저속 주행시에는 챔퍼의 길이가 축소되고, 브레이크 사용이 적으면서 주행 저항이 큰 고속 주행시에는 챔퍼의 길이를 규정 길이만큼 확대시켜 드래그가 발생하지 않도록 함으로써, 라이닝의 수명이 연장되도록 함과 동시에 차량을 운행시 연비가 향상되도록 하는 차량용 디스크 브레이크를 제공하는 데 있다.The present invention has been made in order to solve the above problems, the speed of the chamfer is reduced in the low-speed running with a small number of brakes when driving the vehicle, the driving resistance is frequent, the high-speed driving with a large running resistance while using less brakes The present invention provides a disc brake for a vehicle that extends the length of a chamfer by a prescribed length so that drag does not occur, thereby extending the life of the lining and improving fuel efficiency when the vehicle is driven.

상기한 목적을 달성하기 위한 본 발명은, 캘리퍼 하우징과, 상기 캘리퍼 하우징에 형성된 휠 실린더 내에 유압의 힘에 의해 직선으로 이동하는 가능하게 장착되는 피스톤과, 상기 캘리퍼 하우징의 전면에 결합되는 캘리퍼 캐리어와,상기 캘리퍼 캐리어에 결합되는 백 플레이트와, 상기 백 플레이트의 전면에 결합되어 피스톤이 유압의 힘을 이용해 작동될 때 디스크의 양 측면을 가압하면서 마찰력에 의한 제동력을 발생시키도록 하는 브레이크 패드로 구성되고, 상기 휠 실린더에는 챔퍼가 형성된 실린더홈이 파여져 형성되고, 상기 실린더홈에는 유압에 의해 작동이 이루어진 피스톤을 원상복귀시키는 러버 실(rubber seal)인 실링부재가 고정되게 장착된 디스크 브레이크에 있어서, 상기 실린더홈에 형성된 챔퍼에 차량의 운행상태에 따라 유압이 공급 및 배출되면서 팽창 및 수축되어 챔퍼의 길이가 축소 및 원래 의 길이로 복원되는 고팽창고무가 장착되는 것에 의해 달성된다. The present invention for achieving the above object, the caliper housing, a piston mounted in the wheel cylinder formed in the caliper housing to be capable of moving in a straight line by the force of hydraulic pressure, and a caliper carrier coupled to the front surface of the caliper housing and And a back plate coupled to the caliper carrier, and a brake pad coupled to the front surface of the back plate to generate a braking force by friction while pressing both sides of the disk when the piston is operated using hydraulic force. And a disc groove having a chamfer-shaped cylinder groove formed in the wheel cylinder, and having a sealing member fixed to the cylinder groove, which is a rubber seal for returning a piston operated by hydraulic pressure to the cylinder groove. Hydraulic pressure is supplied to the chamfer formed in the cylinder groove according to the driving state of the vehicle. It is achieved by mounting high-expansion rubber, which expands and contracts as it is discharged, reducing the length of the chamfer and restoring it to its original length.

한편, 상기 고팽창고무에는 오일리저버에 일측단부가 연결되어 있는 유압라인의 타측단부가 결합되고, 상기 유압라인에는 차량의 운행상태에 따라 정방향 및 역방향으로 작동되는 서보모터에 의해 오일리저버에 담기어져 있는 오일이 유압라인을 통해 고팽창고무로 공급하여 팽창되도록 하고, 상기 고팽창고무에 공급된 오일을 오일리저버로 리턴시켜 수축되도록 하는 베인펌프가 설치됨을 밝혀 둔다.On the other hand, the high-expansion rubber is coupled to the other end of the hydraulic line is connected to the oil reservoir one end, the hydraulic line is contained in the oil reservoir by the servo motor operated in the forward and reverse directions according to the driving state of the vehicle It is revealed that a vane pump is installed to supply oil to the high expansion rubber through the hydraulic line to expand and return the oil supplied to the high expansion rubber to the oil reservoir so as to contract.

또한, 상기 서보모터는 브레이크 사용횟수가 잦으면서 주행저항이 작은 저속 주행시에는 챔퍼의 길이가 축소되도록 정방향으로 작동이 이루어지면서 유압라인을 통해 오일리저버에 보관중인 오일을 고팽창고무로 공급하여 팽창시키고, 브레이크 사용이 적으면서 주행 저항이 큰 고속 주행시에는 챔퍼의 길이가 원래 길이로 복원되도록 역방향으로 작동이 이루어지면서 유압라인을 통해 고팽창고무로 공급된 유압을 오일리저버로 방출시키도록 함을 밝혀 둔다.In addition, the servomotor is operated in a forward direction so that the length of the chamfer is reduced during low-speed driving with frequent use of the brakes and the driving resistance is low, while supplying and expanding the oil stored in the oil reservoir through the hydraulic line with high expansion rubber. In case of high-speed driving with little driving resistance and high driving resistance, the chamfer is operated in the reverse direction to restore the length of the chamfer to release the hydraulic pressure supplied to the oil reservoir through the hydraulic line. .

또한, 상기 서보모터는 콘트롤러부터 발생되는 신호에 따라 배터리의 전원을 공급받으며 작동되어지게 됨을 밝혀 둔다. In addition, the servomotor is powered by the battery according to the signal generated from the controller to be operated.

본 발명에 따르면 차량의 운행 상태에 따라 고팽창고무가 유압에 의해 팽창 및 수축되는 것에 의해 챔퍼의 길이 가변되면서 실링부재의 복원성을 변화시키게 됨으로써, 드래그(Drag)현상이 줄어들게 됨은 물론, 연비가 향상되고, 라이닝 수명이 연장되도록 하는 등의 효과가 있는 매우 유용한 발명이다.According to the present invention by changing the resilience of the sealing member while changing the length of the chamfer by the expansion and contraction of high expansion rubber according to the hydraulic state of the vehicle, the drag phenomenon is reduced, as well as fuel economy is improved. It is a very useful invention that has the effect of extending the lining life.

이하 첨부된 도면에 의하여 본 발명의 기술적 구성을 상세히 설명하면 다음과 같다.Hereinafter, the technical configuration of the present invention with reference to the accompanying drawings in detail.

도 1은 일반적인 차량용 디스크 브레이크의 구성을 보인 사시도 이고, 도 4는 본 발명인 차량용 디스크 브레이크의 구성을 보인 개략적으로 보인 구성도 이며, 도 5는 본 발명인 차량용 디스크 브레이크의 요부를 보인 확대도 이고, 도 6은 본 발명인 차량용 디스크 브레이크의 챔퍼가 길이가 축소된 상태를 보인 확대도 이며, 도 7은 본 발명인 모터펌프의 구성을 보인 구성도 이다.1 is a perspective view showing the configuration of a general vehicle disc brake, Figure 4 is a schematic view showing a configuration of the vehicle disk brake of the present invention, Figure 5 is an enlarged view showing the main portion of the vehicle disk brake of the present invention, Figure 6 is an enlarged view showing a state in which the chamfer of the vehicular disk brake of the present invention is reduced in length, and FIG. 7 is a block diagram showing the configuration of the motor pump of the present invention.

본 발명의 차량용 디스크 브레이크의 구성은 도 1과 도 4 및 도 5와 도 6에 도시하고 있는 바와 같이, 주철재질의 안장 모양으로 형성되어 너클 스핀들에 부착되는 캘리퍼 하우징(100)과, 상기 캘리퍼 하우징(100)에 의해 형성된 휠 실린더(110) 내에 장착되면서 유압의 힘을 이용해 직선으로 이동하는 피스톤(120)과, 상기 캘리퍼 하우징(100)의 전면에 가이드 로드(170)를 매개로 결합되는 캘리퍼 캐리어(130)와, 양 측면에 형성된 슬라이드 돌기가 캘리퍼 캐리어(130)에 형성된 슬라이드 홈으로 끼워짐으로써 캘리퍼 캐리어(130)와 결합되는 백 플레이트(140)와, 이 백 플레이트(140)의 전면에 결합되어 피스톤(120)이 유압의 힘을 이용해 작동될 때 디스크(200)의 양 측면을 가압하면서 마찰력에 의한 제동력을 발생시키도록 하는 브레이크 패드(150)를 포함하여 구성된다.1 and 4 and 5 and 6, the configuration of the vehicular disk brake of the present invention is formed in a saddle shape made of cast iron material and attached to the knuckle spindle, and the caliper housing. The piston 120 which is mounted in the wheel cylinder 110 formed by the (100) and moves in a straight line using the hydraulic force and the caliper carrier coupled to the front of the caliper housing 100 via a guide rod 170 130 and a back plate 140 coupled to the caliper carrier 130 by being fitted into the slide grooves formed in the caliper carrier 130 and coupled to the front surface of the back plate 140. It is configured to include a brake pad 150 to generate a braking force by the friction force while pressing the both sides of the disk 200 when the piston 120 is operated using the hydraulic force.

한편, 상기 휠 실린더(110)에는 실린더홈(111)이 파여져 형성되고, 상기 실린더홈(111)에는 작동이 이루어진 피스톤(120)을 원상복귀시키는 러버 실(rubber seal)인 실링부재(300)가 고정되게 장착되며, 상기 실링부재(300)가 장착되어 있는 실린더홈(111)의 일측에는 실링부재(300)의 변형을 유도함과 동시에 복원력이 증대되도록 하는 챔퍼(111a)가 소정의 길이로 형성된다.Meanwhile, a cylinder groove 111 is formed in the wheel cylinder 110, and a sealing member 300, which is a rubber seal for returning the piston 120 to which the operation is performed, is formed in the cylinder groove 111. One side of the cylinder groove 111 on which the sealing member 300 is mounted is fixedly mounted, and a chamfer 111a is formed to have a predetermined length to induce deformation of the sealing member 300 and increase restoring force. .

또한, 상기 실린더홈(111)에 형성된 챔퍼(111a)에는 차량의 운행상태에 따라 유압이 공급 및 배출되면서 팽창 및 수축되어 챔퍼(111a)의 길이가 축소 및 원래의 길이로 복원되는 고팽창고무(170)가 장착된다.In addition, the chamfer (111a) formed in the cylinder groove 111 is expanded and contracted while the hydraulic pressure is supplied and discharged in accordance with the driving state of the vehicle to expand and shrink the length of the chamfer (111a) to restore the original length ( 170) is mounted.

한편, 상기 고팽창고무(170)에는 도 5와 도 6 및 도 7에 도시하고 있는 바와 같이, 오일리저버(400)에 일측단부가 연결되어 있는 유압라인(500)의 타측단부가 결합되고, 상기 유압라인(500)에는 차량의 운행상태에 따라 정방향 및 역방향으로 작동되는 서보모터(600)에 의해 오일리저버(400)에 담기어져 있는 오일이 유압라인을 통해 고팽창고무(170)로 공급하여 팽창시키고, 상기 고팽창고무(170)에 공급된 오일을 오일리저버(400)로 리턴시켜 수축되도록 하는 베인펌프(700)가 설치된다.Meanwhile, as shown in FIGS. 5, 6, and 7, the high expansion rubber 170 is coupled to the other end of the hydraulic line 500 having one end connected to the oil reservoir 400. The oil contained in the oil reservoir 400 is expanded and supplied to the high expansion rubber 170 through the hydraulic line by the servo motor 600 operated in the forward and reverse directions according to the driving state of the vehicle. The vane pump 700 is installed to return the oil supplied to the high expansion rubber 170 to the oil reservoir 400 to be contracted.

또한, 상기 서보모터(600)는 브레이크 사용횟수가 잦으면서 주행저항이 작은 저속 주행시에는 챔퍼(111a)의 길이가 축소되도록 정방향으로 작동이 이루어지면서 유압라인(500)을 통해 오일리저버(400)에 보관중인 오일을 고팽창고무(170)로 공급하여 팽창시키고, 브레이크 사용이 적으면서 주행 저항이 큰 고속 주행시에는 챔퍼(111a)의 길이가 원래 길이로 복원되도록 역방향으로 작동이 이루어지면서 유압라인(500)을 통해 고팽창고무(170)로 공급된 유압을 오일리저버(400)로 방출시키도록 한다.In addition, the servomotor 600 is operated in the forward direction to reduce the length of the chamfer (111a) during the low-speed running with frequent use of the brake and the running resistance is small to the oil reservoir 400 through the hydraulic line 500 Supplying the oil in storage to the high expansion rubber (170) to expand, and during high-speed running with a small use of the brake while the use of the brake is small, the hydraulic line (500) is operated in the reverse direction to restore the length of the chamfer (111a) to its original length. The hydraulic pressure supplied to the high expansion rubber 170 through the) to be discharged to the oil reservoir 400.

이때, 상기 서보모터(600)는 차속 및 브레이크의 작동유무를 감지하는 콘트 롤러(800)로 부터 발생되는 신호에 따라 배터리(900)의 전원을 공급받으며 작동된다.At this time, the servo motor 600 is operated while being supplied with the power of the battery 900 in accordance with the signal generated from the controller 800 for detecting the vehicle speed and brake operation.

이와 같이 구성된 본 발명은 차량을 운행 시, 브레이크 사용횟수가 잦으면서 주행저항이 작은 저속 주행시에는 콘트롤러(800)가 차속 및 브레이크의 작동여부를 차량에 설치된 각종 센서를 통해 입력받아 비교 판단한 후 서보모터(600)가 정방향으로 작동이 이루어지도록 배터리(900)의 전원을 공급하게 되고, 상기 서보모터(600)가 배터리(900)로부터 전원을 공급받아 정방향으로 작동되는 것에 의해 베인펌프(700)도 정방향으로 작동되어지게 되며, 상기 베인범프()가 정방향으로 작동되면 오일리저버(400)에 보관중인 오일이 유압라인(500)을 통해 챔퍼(111a)에 장착되어 있는 고팽창고무(170)로 공급된다.According to the present invention configured as described above, when the vehicle is driven, the brake 800 is frequently used and the driving resistance is low, and at low speeds, the controller 800 compares the operation of the vehicle speed and the brake through various sensors installed in the vehicle, and then compares the servo motor. The 600 is supplied with power of the battery 900 to operate in the forward direction, the vane pump 700 is also forward by being operated in the forward direction by receiving power from the battery 900, the servo motor 600 When the vane bump () is operated in the forward direction, the oil stored in the oil reservoir 400 is supplied to the high expansion rubber 170 mounted on the chamfer 111a through the hydraulic line 500. .

이때, 상기 챔퍼(111a)에 장착되어 있는 고팽창고무(170)는 유압에 의해 부풀어 오르면서 챔퍼(111a)이 길이를 축소시키게 되고, 상기 챔퍼(111a)의 길이가 축소되는 것에 의해 브레이크를 작동시 작동력이 향상되어지게 된다.At this time, the high expansion rubber 170 mounted on the chamfer (111a) is inflated by the hydraulic pressure to reduce the length of the chamfer (111a), the brake is operated by reducing the length of the chamfer (111a) The working force is improved.

또한, 상기 차량을 브레이크 사용이 적으면서 주행 저항이 큰 고속으로 주행시에는 서보모터(600)가 역방향으로 작동이 이루어지면 베인펌프(700)가 역방향으로 작동되고, 상기 베인범프()가 역 방향으로 작동되는 것에 의해 고팽창고무(170)로 유입된 오일이 유압라인(500)을 통해 오일리저버(400)로 되돌아가게 된다.In addition, the vane pump 700 is operated in the reverse direction when the servo motor 600 is operated in the reverse direction when the vehicle is driven at a high speed with little use of the brake and the driving resistance is high, and the vane bump () is reversed. The oil introduced into the high expansion rubber 170 by the operation is returned to the oil reservoir 400 through the hydraulic line 500.

이때, 상기 고팽창고무(170)는 유압이 제거되는 것에 의해 수축이 이루어지면서 원래 형상으로 복원되고, 상기 고팽창고무(170)가 원래 형상으로 복원되면 챔퍼(111a)의 길이도 동시에 원래의 길이로 복원되면서 실린더홈(111)에 설치된 실링 부재(300)가 충분히 변형되도록 유도함과 동시에 복원력을 증대시켜 드레그 현상이 발생하지 않게 된다.At this time, the high expansion rubber 170 is restored to its original shape by shrinkage is made by the hydraulic pressure is removed, and when the high expansion rubber 170 is restored to the original shape, the length of the chamfer (111a) at the same time also the original length While restoring to guide the sealing member 300 installed in the cylinder groove 111 is sufficiently deformed and at the same time increase the restoring force so that the drag phenomenon does not occur.

이에 따라 구동저항이 발생하지 않게 됨으로써 연비가 향상되고, 라이닝 사용 수명이 연장되어지게 됨은 물론, 브레이크 작동력(feeling)이 향상되어지게 된다.As a result, the driving resistance is not generated, thereby improving fuel economy, extending the service life of the lining, and improving the braking feeling.

도 1은 일반적인 차량용 디스크 브레이크의 구성을 보인 사시도1 is a perspective view showing a configuration of a general vehicle disc brake

도 2는 종래 차량용 디스크 브레이크의 구성을 보인 단면도2 is a cross-sectional view showing the configuration of a conventional disc brake for a vehicle

도 3은 종래 차량용 디스크 브레이크의 요부를 보인 확대단면도Figure 3 is an enlarged cross-sectional view showing the main portion of a conventional disc brake for a vehicle.

도 4는 본 발명인 차량용 디스크 브레이크의 구성을 보인 개략적으로 보인 구성도Figure 4 is a schematic view showing the configuration of the present invention a disk brake for a vehicle

도 5는 본 발명인 차량용 디스크 브레이크의 요부를 보인 확대도Figure 5 is an enlarged view showing the main portion of the inventors disk brake of the present invention

도 6은 본 발명인 차량용 디스크 브레이크의 챔퍼가 길이가 축소된 상태를 보인 확대도Figure 6 is an enlarged view showing a state in which the length of the chamfer of the present invention vehicle disc brake is reduced

도 7은 본 발명인 모터펌프의 구성을 보인 구성도7 is a configuration diagram showing the configuration of the present invention the motor pump

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

100 : 캘리퍼 하우징 110 : 휠 실린더100: caliper housing 110: wheel cylinder

111 : 실린더홈 111a: 챔퍼111: cylinder groove 111a: chamfer

120 : 피스톤 130 : 캘리퍼 캐리어120: piston 130: caliper carrier

140 : 백 플레이트 150 : 브레이크 패드140: back plate 150: brake pad

170 : 고팽창고무 200 : 디스크170: high expansion rubber 200: disk

300 : 실링부재 400 : 오일리저버300: sealing member 400: oil reservoir

500 : 유압라인 600 : 서보모터500: Hydraulic line 600: Servo motor

700 : 베인펌프 800 : 콘트롤러700: vane pump 800: controller

900 : 배터리900: battery

Claims (4)

캘리퍼 하우징(100)과, 상기 캘리퍼 하우징(100)에 형성된 휠 실린더(110) 내에 유압의 힘에 의해 직선으로 이동하는 가능하게 장착되는 피스톤(120)과, 상기 캘리퍼 하우징(100)의 전면에 결합되는 캘리퍼 캐리어(130)와,상기 캘리퍼 캐리어(130)에 결합되는 백 플레이트(140)와, 상기 백 플레이트(140)의 전면에 결합되어 피스톤(120)이 유압의 힘을 이용해 작동될 때 디스크(200)의 양 측면을 가압하면서 마찰력에 의한 제동력을 발생시키도록 하는 브레이크 패드(150)로 구성되고, 상기 휠 실린더(110)에는 챔퍼(111a)가 형성된 실린더홈(111)이 파여져 형성되고, 상기 실린더홈(111)에는 유압에 의해 작동이 이루어진 피스톤(120)을 원상복귀시키는 러버 실(rubber seal)인 실링부재(300)가 고정되게 장착된 디스크 브레이크에 있어서, 상기 실린더홈(111)에 형성된 챔퍼(111a)에 차량의 운행상태에 따라 유압이 공급 및 배출되면서 팽창 및 수축되어 챔퍼(111a)의 길이가 축소 및 원래의 길이로 복원되는 고팽창고무(170)가 장착되는 것을 특징으로 하는 차량용 디스크 브레이크.A caliper housing 100, a piston 120 mounted in a wheel cylinder 110 formed in the caliper housing 100 so as to move linearly by hydraulic force, and coupled to a front surface of the caliper housing 100. The caliper carrier 130, the back plate 140 coupled to the caliper carrier 130, and the front plate of the back plate 140 is coupled to the disk 120 when the piston 120 is operated using the force of the hydraulic ( It is composed of a brake pad 150 for generating a braking force by friction while pressing both sides of the 200, the wheel cylinder 110 is formed by digging a cylinder groove 111 is formed with a chamfer (111a), The cylinder groove 111 is a disk brake in which a sealing member 300, which is a rubber seal for restoring the piston 120 that is operated by hydraulic pressure, is fixedly mounted, and is formed in the cylinder groove 111. Vehicle to chamfer 111a The disk brake for a vehicle, characterized in that the expansion and contraction while supplying and discharging the hydraulic pressure in accordance with the running state of the high expansion rubber 170 is reduced and the length of the chamfer (111a) is restored to its original length. 청구항 1에 있어서, 상기 고팽창고무(170)에는 오일리저버(400)에 일측단부가 연결되어 있는 유압라인(500)의 타측단부가 결합되고, 상기 유압라인(500)에는 차량의 운행상태에 따라 정방향 및 역방향으로 작동되는 서보모터(600)에 의해 오 일리저버(400)에 담기어져 있는 오일이 유압라인(500)을 통해 고팽창고무(170)로 공급하여 팽창되도록 하고, 상기 고팽창고무(170)에 공급된 오일을 오일리저버로 리턴시켜 수축되도록 하는 베인펌프(700)가 설치됨을 특징으로 하는 차량용 디스크 브레이크.According to claim 1, The high expansion rubber 170 is coupled to the other end of the hydraulic line 500, one end is connected to the oil reservoir 400, the hydraulic line 500 according to the driving state of the vehicle The oil contained in the oil reservoir 400 by the servo motor 600 operated in the forward and reverse directions is supplied to the high expansion rubber 170 through the hydraulic line 500 to expand, and the high expansion rubber ( Vehicle vane brake, characterized in that the vane pump 700 is installed to return the oil supplied to the oil reservoir to be contracted. 청구항 2에 있어서, 상기 서보모터(600)는 브레이크 사용횟수가 잦으면서 주행저항이 작은 저속 주행시에는 챔퍼(111a)의 길이가 축소되도록 정방향으로 작동이 이루어지면서 유압라인(500)을 통해 오일리저버(400)에 보관중인 오일을 고팽창고무(170)로 공급하여 팽창시키고, 브레이크 사용이 적으면서 주행 저항이 큰 고속 주행시에는 챔퍼(111a)의 길이가 원래 길이로 복원되도록 역방향으로 작동이 이루어지면서 유압라인을 통해 고팽창고무(170)로 공급된 유압을 오일리저버(400)로 방출시키도록 작동되는 것을 특징으로 하는 차량용 디스크 브레이크.3. The oil reservoir of claim 2, wherein the servomotor 600 operates in a forward direction to reduce the length of the chamfer 111a during low-speed driving with frequent use of brakes and with low driving resistance. Supplying the oil stored in 400 to the high expansion rubber (170) to expand, and during high-speed driving with a small use of the brake while the use of the brake is small, the hydraulic pressure is operated in the reverse direction so that the length of the chamfer (111a) is restored to its original length. Disc brake for a vehicle, characterized in that it is operated to discharge the hydraulic pressure supplied to the high expansion rubber (170) through the line to the oil reservoir (400). 청구항 2에 있어서, 상기 서보모터(600)는 콘트롤러(800)부터 발생되는 신호에 따라 배터리(900)의 전원을 공급받으며 작동되는 것을 특징으로 하는 차량용 디스크 브레이크.The disc brake for a vehicle according to claim 2, wherein the servo motor 600 is operated while being supplied with power of the battery 900 according to a signal generated from the controller 800.
KR1020070095983A 2007-09-20 2007-09-20 Disc brake of a vehicles KR100862471B1 (en)

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Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11247911A (en) 1998-02-27 1999-09-14 Tokico Ltd Disc brake

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11247911A (en) 1998-02-27 1999-09-14 Tokico Ltd Disc brake

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