KR200185699Y1 - Timing belt exchanging time display device - Google Patents

Timing belt exchanging time display device Download PDF

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Publication number
KR200185699Y1
KR200185699Y1 KR2019970022520U KR19970022520U KR200185699Y1 KR 200185699 Y1 KR200185699 Y1 KR 200185699Y1 KR 2019970022520 U KR2019970022520 U KR 2019970022520U KR 19970022520 U KR19970022520 U KR 19970022520U KR 200185699 Y1 KR200185699 Y1 KR 200185699Y1
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South Korea
Prior art keywords
timing belt
timing
display device
replacement
engine
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KR2019970022520U
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Korean (ko)
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KR19990009320U (en
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장영학
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정몽규
현대자동차주식회사
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Priority to KR2019970022520U priority Critical patent/KR200185699Y1/en
Publication of KR19990009320U publication Critical patent/KR19990009320U/en
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Publication of KR200185699Y1 publication Critical patent/KR200185699Y1/en

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01MLUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M13/00Crankcase ventilating or breathing
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B25/00Engines characterised by using fresh charge for scavenging cylinders
    • F02B25/14Engines characterised by using fresh charge for scavenging cylinders using reverse-flow scavenging, e.g. with both outlet and inlet ports arranged near bottom of piston stroke
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B25/00Engines characterised by using fresh charge for scavenging cylinders
    • F02B25/20Means for reducing the mixing of charge and combustion residues or for preventing escape of fresh charge through outlet ports not provided for in, or of interest apart from, subgroups F02B25/02 - F02B25/18
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B75/00Other engines
    • F02B75/02Engines characterised by their cycles, e.g. six-stroke
    • F02B2075/022Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle
    • F02B2075/025Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle two

Abstract

본 고안은 자동차 엔진에 설치된 타이밍 벨트의 두께를 감지하여 마모에 따른 적정 교환시기를 표시하여 줌으로써, 운전중 타이밍 벨트의 끊어짐에 따른 엔진의 손상을 예방할 수 있음은 물론 교환시기 전에 교환함에 따랐던 낭비를 줄일 수 있는 타이밍 벨트 교환시기 표시장치에 관한 것이다.The present invention detects the thickness of the timing belt installed in an automobile engine and displays the appropriate replacement time according to wear, thereby preventing engine damage due to breakage of the timing belt during operation, as well as wasting the waste caused by replacing it before replacement. A timing belt replacement timing display device can be reduced.

Description

타이밍 벨트 교환시기 표시장치{Timing belt exchanging time display device}Timing belt exchanging time display device}

본 고안은 자동차 엔진의 타이밍 벨트 교환시기를 표시하는 장치에 관한 것으로서, 더욱 상세하게는 타이밍 벨트의 두께를 감지하여 마모에 따른 적정 교환시기를 표시하여 줌으로써, 운전중 타이밍 벨트의 끊어짐에 따른 엔진의 손상을 예방할 수 있는 타이밍 벨트 교환시기 표시장치에 관한 것이다.The present invention relates to a device for displaying the timing belt replacement timing of an automobile engine, and more particularly, by detecting the thickness of the timing belt and displaying an appropriate replacement time according to wear, thereby preventing engine timing due to breakage of the timing belt during operation. A timing belt replacement timing display device capable of preventing damage.

일반적으로 자동차의 엔진(engine)은 실린더로 흡입되는 혼합기를 압축, 점화, 폭발함에 따라 발생되는 피스톤의 왕복운동을 회전운동으로 변환시키고, 그 회전운동을 구동륜에 전달함으로서 자동차의 추진력을 발생하도록 하는 것이다.In general, an engine of a vehicle converts a reciprocating motion of a piston generated by compression, ignition, and explosion into a rotational motion and transmits the rotational motion to a driving wheel to generate propulsion of the car. will be.

엔진의 연소실에는 흡입되는 혼합기 및 배출되는 연소가스를 단속하는 흡.배기밸브가 각각 구비되어 있으며, 이러한 흡.배기밸브는 캠 샤프트에 의해 피스톤의 행정에 맞추어 개폐되도록 되어 있다.The combustion chamber of the engine is provided with an intake / exhaust valve for intermitting the mixer to be sucked and the discharged combustion gas, and the intake / exhaust valve is opened and closed in accordance with the stroke of the piston by the cam shaft.

상기 흡.배기밸브를 구동시키는 캠 샤프트는 크랭크 샤프트의 회전력을 타이밍 벨트로 전달받도록 되어 있다.The cam shaft for driving the intake / exhaust valve is configured to receive the rotational force of the crankshaft to the timing belt.

그럼, 여기서 종래 엔진 캠 샤프트 구동장치의 한 예를 도 1에 도시하였는 바, 이를 간단히 살펴보면 다음과 같다.Then, an example of a conventional engine cam shaft drive device is shown in FIG. 1, which is briefly described as follows.

도시되는 바와 같이, 엔진의 실린더 헤드에 설치된 각 밸브를 구동시키는 캠 샤프트(110)의 일측단에는 캠 벨트기어(111)가 축설되어 있고, 실린더 블록에 설치되어 피스톤의 왕복운동을 회전운동으로 변환시키는 크랭크 샤프트(120)의 일측단에는 크랭크 벨트기어(121)가 설치되어 있으며, 상기 크랭크 벨트풀리(121)와 캠 벨트풀리(111)에는 타이밍 벨트(130)가 설치되어 있다.As shown, a cam belt gear 111 is installed at one end of the cam shaft 110 for driving each valve installed in the cylinder head of the engine, and is installed in the cylinder block to convert the reciprocating motion of the piston into rotational motion. A crank belt gear 121 is installed at one end of the crank shaft 120, and a timing belt 130 is installed at the crank belt pulley 121 and the cam belt pulley 111.

또한, 상기 타이밍 벨트(130)의 일측에는 타이밍 벨트(130)의 장력을 항상 일정하게 유지시키는 장력조절장치(140)가 장착되어 있으며, 타측에는 타이밍 벨트(130)의 장력 유지 및 진동을 감쇠를 위한 아이들 롤러(145)가 설치되어 있다.In addition, one side of the timing belt 130 is equipped with a tension adjusting device 140 for maintaining a constant tension of the timing belt 130 at all times, the other side is to attenuate the tension maintenance and vibration of the timing belt 130 Idle roller 145 is provided.

이에 따라, 피스톤이 왕복행정을 이룰 때, 크랭크 샤프트(120)로부터의 회전력은 크랭크 벨트기어(121)를 거쳐 타이밍 벨트(130), 캠 벨트기어(111)를 통해 캠 샤프트(110)에 전달됨으로서, 흡.배기밸브를 개폐시키게 되었다.Accordingly, when the piston makes a reciprocating stroke, the rotational force from the crank shaft 120 is transmitted to the cam shaft 110 through the crank belt gear 121 through the timing belt 130 and the cam belt gear 111. The intake and exhaust valves were opened and closed.

한편, 타이밍 벨트(130)는 와이어를 고무로 감싸는 구조로 되어 있어, 장기간 사용할 경우 각 벨트기어(111)(121)와의 접촉으로 인한 마모 및 마찰열에 따른 손상에 의해 교환시켜야 했다.On the other hand, the timing belt 130 has a structure that wraps the wire in rubber, and when used for a long time, the timing belt 130 had to be replaced by damage due to abrasion and frictional heat due to contact with each of the belt gears 111 and 121.

그러나, 운전자는 항상 타이밍 벨트의 교환시기를 정확히 확인할 수 없어, 주행중 타이밍 벨트가 끊어지는 사고가 발생하게 되는데, 특히 DOHC(double over head cam shaft)를 구비한 엔진의 경우 운전중에 타이밍 벨트가 끊어질 때에는 피스톤이 인잭터 및 흡.배기밸브를 강타하여 엔진을 치명적으로 손상시켰으며, 또한 타이밍 벨트의 끊어짐에 따른 안전성을 고려하여 교환시기 전에 교환하게 되는 낭비의 문제점이 따랐다.However, the driver cannot always check the timing timing of the timing belt replacement, which causes the timing belt to break while driving. In particular, an engine equipped with a double over head cam shaft (DOHC) may cause the timing belt to break during operation. At that time, the piston struck the injector and the intake / exhaust valve, and the engine was fatally damaged. Also, in consideration of the safety of the timing belt broken, there was a problem of waste that was exchanged before replacement.

따라서, 본 고안은 상기와 같은 종래의 문제점을 감안하여 안출된 것으로서, 타이밍 벨트의 두께를 감지하여 마모에 따른 적정 교환시기를 표시하여 줌으로써, 운전중 타이밍 벨트의 끊어짐에 따른 엔진의 손상을 예방할 수 있음은 물론 교환시기 전에 교환함에 따랐던 낭비를 줄일 수 있는 타이밍 벨트 교환시기 표시장치를 제공하는 데 그 목적이 있다.Therefore, the present invention was devised in view of the above-described conventional problems, and by detecting the thickness of the timing belt and displaying an appropriate replacement time according to wear, it is possible to prevent damage to the engine due to breakage of the timing belt during operation. In addition, it is an object of the present invention to provide a timing belt replacement timing display that can reduce the waste caused by replacement before replacement.

도 1은 일반적인 자동차의 엔진 캠 샤프트 구동장치를 보인 개략도1 is a schematic view showing the engine camshaft drive of a typical vehicle

도 2는 본 고안의 실시예에 따른 타이밍 벨트 교환시기 표시장치를 보인 것으로서,2 is a timing belt replacement timing display device according to an embodiment of the present invention,

도 2a는 감지수단의 설치상태를 보인 개략도Figure 2a is a schematic diagram showing the installation state of the sensing means

도 2b는 본 고안의 전체구성을 보인 구성도Figure 2b is a block diagram showing the overall configuration of the subject innovation

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

50 : 감지수단 60 : 전자제어장치50: detection means 60: electronic control device

70 : 표시수단70: display means

이하, 본 고안의 실시예를 첨부도면에 의거 더욱 상세히 설명하면 다음과 같다.Hereinafter, an embodiment of the present invention will be described in more detail based on the accompanying drawings.

본 고안의 실시예에 따른 타이밍 벨트 교환시기 표시장치는 도 2a 및 도 2b에 도시되는 바와 같이, 타이밍 벨트(30)를 통해 크랭크 샤프트(20)로부터의 회전력을 캠 샤프트(10)에 전달하여 흡.배기밸브를 구동시키며, 상기 타이밍 벨트(30)의 일측에 장력조절장치(40)를 구비한 엔진 캠 샤프트 구동장치에 적용한 것이다.Timing belt replacement timing display device according to an embodiment of the present invention, as shown in Figure 2a and 2b, by transmitting the rotational force from the crankshaft 20 to the camshaft 10 through the timing belt 30, Driving the exhaust valve, it is applied to the engine camshaft driving device having a tension control device 40 on one side of the timing belt (30).

이에 따라, 상기 타이밍 벨트(30)의 내측에는 타이밍 벨트(30)의 마모에 따른 잔류 두께를 감지하는 감지수단(50)이 설치되며, 그 감지수단(50)은 타이밍 벨트(30)의 장력 변화에 따른 유동과 대응하면서 일정간격을 유지할 수 있도록 상기 타이밍 벨트(30)의 외측면과 접촉하는 상기 장력조절장치(40)의 가압롤러(41)에 브라켓(42)을 통해 일체로 설치된다. 상기 감지수단(40)은 거리감지센서로 사용되는 초음파 센서 등을 사용할 수 있다.Accordingly, the sensing means 50 is installed inside the timing belt 30 to detect the remaining thickness according to the wear of the timing belt 30, the sensing means 50 is a tension change of the timing belt 30 Corresponding to the flow in accordance with the predetermined distance to maintain a constant interval is provided integrally through the bracket 42 to the pressure roller 41 of the tension adjusting device 40 in contact with the outer surface of the timing belt (30). The sensing means 40 may use an ultrasonic sensor used as a distance sensor.

한편, 운전석 계기판에는 운전자에게 타이밍 벨트(30)의 교환시기를 표시하여 주는 표시수단(70)이 설치되며, 이는 문자표시기나 부저 또는 표시등의 점멸에 의해 운전자에게 전달할 수 있게 된다.On the other hand, the driver's seat instrument panel is provided with a display means 70 for displaying the timing of the replacement of the timing belt 30 to the driver, which can be transmitted to the driver by the blinking of the character display or buzzer or indicator.

상기 표시수단(70)은 전자제어장치(electronic control unit; 60)에 의해 동작이 제어된다. 즉, 상기 감지수단(50)으로부터 검출된 타이밍 벨트(30)의 잔류 두께가 교환이 적절한 최소 임계치보다 작을 경우 상기 표시수단(70)을 구동시키게 된다. 상기 전자제어장치(60)는 엔진 ECU를 사용할 수 있으며, 이렇게 엔진 ECU를 사용할 경우, 상기와 같은 운영 프로그램 및 데이터를 EPROM 등에 다시 저장해야 한다.The display means 70 is controlled by the electronic control unit (60). In other words, when the residual thickness of the timing belt 30 detected from the sensing means 50 is smaller than the minimum threshold for exchange, the display means 70 is driven. The electronic controller 60 may use an engine ECU. When the engine ECU is used in this way, the above operating program and data must be stored again in an EPROM.

도면중, 미설명 부호 11은 캠 벨트기어이고, 21은 크랭크 벨트기어이며, 45는 아이들 롤러이다.In the figure, reference numeral 11 is a cam belt gear, 21 is a crank belt gear, and 45 is an idle roller.

이와 같이 구성되는 본 고안의 작용을 설명하면 다음과 같다.Referring to the operation of the subject innovation is configured as follows.

우선, 엔진 캠 샤프트 구동장치는 엔진 구동시 크랭크 샤프트(20)으로부터의 회전력을 타이밍 벨트(30)를 통해 캠 샤프트(10)에 전달하게 되는데, 이러한 과정에서 타이밍 벨트(30)는 캠 벨트기어(11) 및 크랭크 벨트기어(21)와의 마찰에 의해 마모가 진행된다.First, the engine camshaft driving device transmits the rotational force from the crankshaft 20 to the camshaft 10 through the timing belt 30 when the engine is driven. In this process, the timing belt 30 is a cam belt gear ( 11) and wear progresses by friction with the crank belt gear 21.

한편, 전자제어장치(60)는 감지수단(50)을 통해 타이밍 벨트(30)의 두께를 검출하고, 그 검출된 두께가 적정 교환시기를 판정하는 임계치보다 작은가를 판단한다. 이때, 타이밍 벨트(30)의 두께가 임계치보다 작을 경우 표시수단(70) 즉, 부저를 구동시키거나 경고등을 점멸시켜 운전자에게 타이밍 벨트(30)의 적정 교환시기를 확인시켜 준다.On the other hand, the electronic control apparatus 60 detects the thickness of the timing belt 30 through the sensing means 50, and determines whether the detected thickness is smaller than a threshold for determining the appropriate replacement time. At this time, when the thickness of the timing belt 30 is smaller than the threshold value, the display means 70, that is, driving the buzzer or flashing a warning light to confirm the driver when the timing belt 30 is properly replaced.

이상에서 살펴본 바와 같이, 본 고안은 타이밍 벨트의 두께를 감지하여 마모에 따른 적정 교환시기를 표시하여 줌으로써, 운전중 타이밍 벨트의 끊어짐에 따른 엔진의 손상을 예방할 수 있음은 물론 교환시기 전에 교환함에 따랐던 낭비를 줄일 수 있다.As described above, the present invention detects the thickness of the timing belt and displays an appropriate replacement time according to wear, thereby preventing damage to the engine due to breakage of the timing belt during operation, as well as replacing the replacement before replacement. Reduce waste

본 고안은 특정의 실시예와 관련하여 도시 및 설명하였지만, 첨부 실용신안등록청구범위에 의해 나타난 본 고안의 사상 및 영역으로부터 벗어나지 않는 한도 내에서 다양한 개조 및 변화가 가능하다는 것을 당업계에서 통상의 지식을 가진 자라면 누구나 쉽게 알 수 있을 것이다.Although the present invention has been shown and described in connection with specific embodiments, it is common knowledge in the art that various modifications and changes can be made without departing from the spirit and scope of the present invention as indicated by the appended utility model claims. Anyone who has a can easily know.

Claims (1)

(정정) 타이밍 벨트의 상태를 감지하는 감지센서부재와, 상기 감지센서부재로부터 신호를 입력받아 경고를 표시하는 표시장치(70)를 구비한 타이밍 벨트의 상태감지장치에 있어서,(Correction) A timing belt state sensing device having a sensing sensor member for sensing a state of a timing belt and a display device 70 for receiving a signal from the sensing sensor member and displaying a warning. 상기 감지센서부재는 상기 타이밍 벨트(30)의 두께를 감지하는 거리감지센서인 초음파 센서(50)이고, 상기 초음파 센서(50)는 상기 타이밍 벨트(30)의 두께가 임계치보다 작을 경우에는 전자제어장치(60)에 신호를 출력하여 표시장치(70)가 경고를 표시하도록 된 것을 특징으로 하는 타이밍 벨트 교환시기 표시장치.The sensing sensor member is an ultrasonic sensor 50 which is a distance sensor for sensing the thickness of the timing belt 30, and the ultrasonic sensor 50 is electronically controlled when the thickness of the timing belt 30 is smaller than a threshold. And a display device (70) to display a warning by outputting a signal to the device (60).
KR2019970022520U 1997-08-20 1997-08-20 Timing belt exchanging time display device KR200185699Y1 (en)

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KR100856316B1 (en) * 2003-12-27 2008-09-03 동부일렉트로닉스 주식회사 Throttle valve using sensor

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