KR102220691B1 - Combination structure of the intake manifold and the vacuum hose from the vehicle's brake system - Google Patents

Combination structure of the intake manifold and the vacuum hose from the vehicle's brake system Download PDF

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KR102220691B1
KR102220691B1 KR1020190076182A KR20190076182A KR102220691B1 KR 102220691 B1 KR102220691 B1 KR 102220691B1 KR 1020190076182 A KR1020190076182 A KR 1020190076182A KR 20190076182 A KR20190076182 A KR 20190076182A KR 102220691 B1 KR102220691 B1 KR 102220691B1
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South Korea
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vacuum hose
intake manifold
connector
vehicle
fitted
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KR1020190076182A
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Korean (ko)
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KR20210000915A (en
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최우승
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쌍용자동차 주식회사
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60TVEHICLE 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
    • B60T17/00Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
    • B60T17/04Arrangements of piping, valves in the piping, e.g. cut-off valves, couplings or air hoses
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10Air intakes; Induction systems
    • F02M35/10209Fluid connections to the air intake system; their arrangement of pipes, valves or the like
    • F02M35/10229Fluid connections to the air intake system; their arrangement of pipes, valves or the like the intake system acting as a vacuum or overpressure source for auxiliary devices, e.g. brake systems; Vacuum chambers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L33/00Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses
    • F16L33/22Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses with means not mentioned in the preceding groups for gripping the hose between inner and outer parts
    • F16L33/225Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses with means not mentioned in the preceding groups for gripping the hose between inner and outer parts a sleeve being movable axially
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L37/00Couplings of the quick-acting type
    • F16L37/02Couplings of the quick-acting type in which the connection is maintained only by friction of the parts being joined

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Valves And Accessory Devices For Braking Systems (AREA)

Abstract

본 발명은 자동차의 브레이크장치에서 흡기 매니폴드와 진공호스의 결합구조에 관한 것으로서 종래 흡기 매니폴드와 진공호스를 결합하기 위해 사용되는 클램프는 공구를 사용하여 조여주어야 하기 때문에 작업시간이 오래 걸려 생산성이 떨어지는 것은 물론 재질이 금속으로 이루어져 전체적인 차량의 무게가 증가하여 연비가 저하되는 문제점이 있었다.
따라서 본 발명은 자동차의 브레이크장치에서 흡기 매니폴드와 진공호스를 결합함에 있어서, 일단에는 흡기 매니폴드(100)의 결합구(110)에 끼워질 수 있는 구경을 가지고, 타단에는 진공호스(300)의 일측이 타이트하게 끼워질 수 있는 외경을 가진 합성수지제의 커넥터(200)를 구비하여 흡기 매니폴드(100)와 진공호스(300)를 공구 없이 간편하고 신속하게 결합할 수 있도록 한 것으로서 이러한 본 발명은 흡기 매니폴드(100)의 결합구(110)를 커넥터(200)의 일단에 끼워주고, 진공호스(300)의 일측은 커넥터(200)의 타단(201)에 끼워주면 되는 것으로 이는 공구를 사용할 필요가 없어 그만큼 작업시간이 단축되어 생산성이 향상되는 것은 물론 커넥터(200)의 재질이 합성수지지재로서 가벼워 전체적인 차량의 무게를 줄여 연비절감을 이룰 수 있는 매우 유용한 발명이다.
The present invention relates to a coupling structure between an intake manifold and a vacuum hose in a brake device of an automobile. Since the clamp used to connect the intake manifold and the vacuum hose in the related art must be tightened with a tool, it takes a long time to work and increases productivity. As well as falling, there is a problem in that fuel economy is lowered due to an increase in the weight of the vehicle as the material is made of metal.
Therefore, in the present invention, in coupling the intake manifold and the vacuum hose in the brake device of a vehicle, one end has a diameter that can be fitted into the coupling hole 110 of the intake manifold 100, and the other end has a vacuum hose 300. One side of the present invention is provided with a connector 200 made of synthetic resin having an outer diameter that can be tightly fitted, so that the intake manifold 100 and the vacuum hose 300 can be simply and quickly combined without tools. Insert the coupling hole 110 of the intake manifold 100 into one end of the connector 200, and one side of the vacuum hose 300 into the other end 201 of the connector 200. This is done by using a tool. Since there is no need, the work time is shortened so that productivity is improved. As well as the material of the connector 200 is a synthetic resin support material, it is a very useful invention that can reduce the weight of the entire vehicle and achieve fuel economy reduction.

Description

자동차의 브레이크장치에서 흡기 매니폴드와 진공호스 결합구조{Combination structure of the intake manifold and the vacuum hose from the vehicle's brake system}Combination structure of the intake manifold and the vacuum hose from the vehicle's brake system

본 발명은 자동차의 브레이크장치에서 흡기 매니폴드와 진공호스 결합구조에 관한 것으로서 더욱, 상세히는 별도의 공구를 사용하지 않고서도 흡기 매니폴드와 진공호스를 결합할 수 있음에 따라 작업시간이 단축되어 생산성이 향상되면서 오조립 없이 조립하여 브레이크의 제동성능을 향상시킬 수 있도록 한 자동차의 브레이크장치에서 흡기 매니폴드와 진공호스 결합구조에 관한 것이다.The present invention relates to a structure for coupling an intake manifold and a vacuum hose in a brake device of a vehicle. More specifically, the intake manifold and the vacuum hose can be combined without using a separate tool, thereby reducing work time and thus productivity. This improvement relates to a coupling structure between an intake manifold and a vacuum hose in a brake system of an automobile that can be assembled without misassembly to improve the braking performance of the brake.

일반적으로 자동차는 엔진에서 발생된 동력이 바퀴에 전달되어 차량이 주행할 수 있으며 상기 바퀴의 내부에 설치되는 제동장치가 브레이크 페달에 의해 조작되어 상기 바퀴의 회전이 제어된다.In general, in a vehicle, power generated by an engine is transmitted to a wheel so that the vehicle can run, and a braking device installed inside the wheel is operated by a brake pedal to control the rotation of the wheel.

즉, 주행 중인 차량을 감소 또는 정지시키는 제동장치는 브레이크 페달과 브레이크 페달의 답력에 의해 유압을 발생시키는 마스터 실린더와, 흡기 매니폴드의 흡입 부압을 이용하여 마스터 실린더의 힘을 배력시키는 브레이크 부스터와 마스터 실린더 및 브레이크 부스터에 의한 유압에 의해 제동력을 발생시키는 제동부로 이루어진다.In other words, the brake system that reduces or stops the vehicle in motion is the master cylinder that generates hydraulic pressure by the pedal effort of the brake pedal and the brake pedal, and the brake booster and master that boost the power of the master cylinder using negative suction pressure of the intake manifold. It consists of a brake unit that generates a braking force by hydraulic pressure by a cylinder and a brake booster.

여기서 상기 흡기 매니폴드는 엔진을 작동시키기 위해 실린더로 혼합기를 흡입하기 위한 장치로서 스로틀 바디를 통해 유입된 공기가 저장되는 서지탱크(surge tank)와, 서지탱크를 통과한 공기가 각각의 흡기포트로 분배되도록 서지탱크와 연통되게 설치된 다수의 런너(runner)를 포함하여 구성된다.Here, the intake manifold is a device for inhaling the mixer into a cylinder to operate the engine, and a surge tank in which air introduced through the throttle body is stored, and the air passing through the surge tank is transferred to each intake port. It is configured to include a plurality of runners (runner) installed in communication with the surge tank to be distributed.

이러한 흡기 매니폴드에는 엔진의 연소실에서 전달되는 부합이 형성되고, 이 부압은 브레이크 라인을 통해 브레이크 부스터로 전달되고, 흡기 매니폴드와 브레이크 부스터 사이에 진공호스가 연결된다.In this intake manifold, a match transmitted from the combustion chamber of the engine is formed, this negative pressure is transmitted to the brake booster through the brake line, and a vacuum hose is connected between the intake manifold and the brake booster.

종래 흡기 매니폴드와 브레이크 부스터를 진공호스로 연결한 종래에 제안된 기술이 등록특허공보 등록번호 10-0657680호(2006. 12.07 등록)(발명의 명칭: 차량의브레이크 진공호스용 댐퍼(이하 선행기술이라 약칭함)에 개시되어 있다.A conventionally proposed technology in which a conventional intake manifold and a brake booster are connected with a vacuum hose is registered in Registered Patent Publication No. 10-0657680 (registered on December 7, 2006) (Name of the invention: damper for brake vacuum hose of a vehicle (hereinafter, prior art) (Abbreviated as hereinafter).

개시된 선행기술에서는 차량의 브레이크 진공호스용 댐퍼는 진공호스의 경로상에 설치되되 흡기 매니폴드 및 브레이크 부스터에서 연결된 진공호스의 단부에 연결부가 결합되고, 상기 연결부와 결합된 진공호스의 외주면에는 고정클립이 설치되어 브레이크 작동 시 급격한 부압 전달로 인한 진동소음의 발생을 방지하고, 브레이크 작동 중 발생하는 엔진 노이즈를 감소시키는 효과가 있다.In the disclosed prior art, the damper for the brake vacuum hose of the vehicle is installed on the path of the vacuum hose, but a connection part is coupled to the end of the vacuum hose connected from the intake manifold and the brake booster, and a fixing clip is attached to the outer circumferential surface of the vacuum hose combined with the connection part. This is installed to prevent the generation of vibration noise due to sudden negative pressure transmission during brake operation, and has the effect of reducing engine noise generated during brake operation.

1. 대한민국특허청 등록특허공보 등록번호 0657680호(2006.12.07. 등록)(발명의 명칭: 차량의 브레이크 진공호스용 댐퍼)1. Korean Intellectual Property Office Registered Patent Publication No. 0657680 (registered on December 7, 2006) (Name of invention: damper for brake vacuum hose of vehicle)

그러나 상기와 같은 선행기술에서는 흡기 매니폴드와 진공호스의 결합을 금속재질의 고정클립을 사용하여 체결하는 것인데 이는 작업자가 수작업으로는 고정클립을 체결하기가 힘들어 일일이 공구를 사용하여 체결하여야 함에 따라 작업시간이 오래 걸려 생산성이 떨어지는 것이고, 금속재질의 고정클립에 의해 전체적인 차량의 중량이 증가하는 문제점이 있었다.However, in the prior art as described above, the connection between the intake manifold and the vacuum hose is fastened using a fixing clip made of metal. It takes a long time to reduce productivity, and there is a problem in that the overall weight of the vehicle is increased due to the fixing clip made of metal.

또한, 체결도중 약간만 부주의하게 되면 체결력이 약해지게 되는데 이를 그대로 방치한 채 운행하게 되면 진공손실이 발생하여 그만큼 브레이크의 제동성능이 저하되는 문제점도 있다.In addition, if only a little carelessness is performed during the fastening, the fastening force is weakened. If it is left unattended, vacuum loss occurs and the braking performance of the brake decreases accordingly.

이에 본 발명은 상기와 같은 종래기술에서 발생하는 제반 문제점을 해결하기 위해서 제안된 것으로서, 본 발명의 목적은 흡기 매니폴드와 진공호스의 결합을 합성수지제의 커넥터를 공구 없이 작업자가 간편하게 끼우는 방식으로 개선하여 작업시간을 단축시켜 생산성을 향상시키고, 차량의 전체적인 무게를 줄이는데 일조할 수 있는 자동차의 브레이크장치에서 흡기 매니폴드와 진공호스 결합구조를 제공하기 위한 것이다.Accordingly, the present invention has been proposed to solve the problems occurring in the prior art as described above, and an object of the present invention is to improve the coupling of the intake manifold and the vacuum hose in a way that the operator can easily insert a connector made of synthetic resin without a tool. This is to provide a coupling structure between the intake manifold and the vacuum hose in the brake system of automobiles, which can help to shorten the working time, improve productivity, and reduce the overall weight of the vehicle.

본 발명의 목적을 달성하기 위해 본 발명은 자동차의 브레이크장치에서 흡기 매니폴드와 진공호스를 결합함에 있어서, 일단에는 흡기 매니폴드의 결합구에 단단하게 끼워질 수 있는 구경을 가지고, 타단에는 진공호스의 일측이 단단하게 끼워질 수 있는 구경을 가진 합성수지제의 커넥터를 구비하여 진공호스를 흡기 매니폴드에 공구 없이 간편하고 신속하게 결합할 수 있으므로써 상기 목적을 달성할 수 있다.In order to achieve the object of the present invention, the present invention is to combine an intake manifold and a vacuum hose in a brake device of an automobile, and at one end has a diameter that can be firmly fitted to the coupling port of the intake manifold, and the other end has a vacuum hose. The above object can be achieved by providing a connector made of synthetic resin having a diameter that can be firmly fitted on one side of the vacuum hose to the intake manifold without tools and can be simply and quickly combined.

이와 같은 본 발명은 흡기 매니폴드의 결합구에는 커넥터의 일단을 끼우고 커넥터의 타단에는 진공호스의 일측을 끼워주기만 하면 흡기 매니폴드와 진공호스가 결합되는 구조이므로 작업시간이 단축되어 그만큼 생산성이 향상되는 것은 물론 합성수지제의 커넥터에 의해 전체적인 차량의 무게가 감소되어 연비향상을 이룰 수 있는 효과가 있다.The present invention has a structure in which the intake manifold and the vacuum hose are combined by simply inserting one end of the connector into the coupling port of the intake manifold and inserting one side of the vacuum hose into the other end of the connector, so the working time is shortened and productivity is improved accordingly. Of course, the overall weight of the vehicle is reduced by the connector made of synthetic resin, thereby improving fuel efficiency.

도 1 은 본 발명에 따른 홀더에 의해 흡기 매니폴드와 진공호스가 결합되기전의 상태를 예시한 요부 분리사시도.
도 2 는 도 1 의 결합단면도.
도 3 은 본 발명에 따른 홀더를 예시한 사시도.
1 is an exploded perspective view illustrating a state before an intake manifold and a vacuum hose are coupled by a holder according to the present invention.
Figure 2 is a cross-sectional view of the coupling of Figure 1;
3 is a perspective view illustrating a holder according to the present invention.

이하 본 발명의 특징을 효과적으로 달성할 수 있는 바람직한 실시 예로서 그 기술구성 및 작용효과를 첨부된 도면에 의해 상세히 설명하면 다음과 같다.Hereinafter, as a preferred embodiment capable of effectively achieving the features of the present invention, the technical configuration and effects will be described in detail with reference to the accompanying drawings.

도 1 은 본 발명에 따라 홀더에 흡기 매니폴드와 진공호스가 결합되기 전의 상태를 예시한 요부 분리사시도이고, 도 2 는 도 1 의 결합단면도이며, 도 3 은 본 발명에 따른 홀더를 예시한 사시도이다.1 is an exploded perspective view illustrating a state before an intake manifold and a vacuum hose are coupled to a holder according to the present invention, FIG. 2 is a combined cross-sectional view of FIG. 1, and FIG. 3 is a perspective view illustrating a holder according to the present invention. to be.

이러한 본 발명은 자동차의 브레이크장치에서 흡기 매니폴드와 진공호스를 결합함에 있어서, 일단에는 흡기 매니폴드(100)의 결합구(110)에 끼워질 수 있는 구경을 가지고, 타단(201)에는 진공호스(300)의 일측이 타이트하게 끼워질 수 있는 구경을 가진 합성수지제의 커넥터(200)를 구비하여 진공호스(300)와 흡기 매니폴드(100)를 공구 없이 간편하고 신속하게 결합할 수 있도록 한 것이다.In the present invention, in coupling an intake manifold and a vacuum hose in a brake device of a vehicle, one end has a diameter that can be fitted into the coupling port 110 of the intake manifold 100, and the other end 201 has a vacuum hose. One side of the 300 is provided with a connector 200 made of synthetic resin having a diameter that can be tightly fitted, so that the vacuum hose 300 and the intake manifold 100 can be easily and quickly combined without tools. .

이와 같은 본 발명은 브레이크 장치에서 흡기 매니폴드(100)와 브레이크 부스터(도면중 미도시)를 진공호스(300)로 연결하여 브레이크 작동 시 흡기 매니폴드(100)로 부터 흡입된 흡기부압을 브레이크 부스터에 전달하고, 흡기부압을 전달받은 브레이크 부스터는 마스터 실린더(도면중 미도시)에 가해지는 힘을 배력시키는 것은 종래와 마찬가지이다.In the present invention, the intake manifold 100 and the brake booster (not shown in the drawing) are connected with a vacuum hose 300 in the brake device to reduce the intake negative pressure sucked from the intake manifold 100 when the brake is operated. It is the same as in the prior art that the brake booster, which is transmitted to and received negative intake pressure, increases the force applied to the master cylinder (not shown in the drawing).

그러나 본 발명에서의 특징은 흡기 매니폴드(100)와 진공호스(300)를 결합할 시 공구를 사용하지 않고 간편하고 신속하게 결합할 수 있음에 따라 작업시간이 단축되어 생산성이 향상될 수 있는 것이다.However, a feature of the present invention is that when the intake manifold 100 and the vacuum hose 300 are combined, the work time can be shortened and productivity can be improved as the combination can be made quickly and conveniently without using a tool. .

즉, 본 발명에서는 일단에는 흡기 매니폴드(100)의 결합구(110)가 끼워질 수 있는 구경으로 이루어지고, 타단(201)은 진공호스(300)의 일측이 타이트하게 끼워질 수 있는 외경으로 이루어지면서 신축성 있는 합성수지제의 재질로 이루어진 커넥터(200)를 구비한다.That is, in the present invention, one end has a diameter into which the coupling port 110 of the intake manifold 100 can be fitted, and the other end 201 has an outer diameter through which one side of the vacuum hose 300 can be tightly fitted. It is provided with a connector 200 made of a material made of a synthetic resin that is stretchable while being made.

따라서 상기 커넥터(200)의 일단을 흡기 매니폴드(100)의 결합구(110)에 끼워주고 즉, 결합구(110)가 커넥터(200) 속으로 끼워지게 한 상태에서 커넥터(200)의 타단(201)이 진공호스(300)의 일측에 끼워지게 하면 흡기 매니폴드(100)와 진공호스(300)는 커넥터(200)에 의해 결합이 되는 것이므로 종전처럼 별도의 공구를 사용하지 않고서도 결합작업을 마칠 수 있는 것이다.Therefore, one end of the connector 200 is fitted into the coupling hole 110 of the intake manifold 100, that is, the other end of the connector 200 ( If 201) is fitted to one side of the vacuum hose 300, the intake manifold 100 and the vacuum hose 300 are coupled by the connector 200, so the coupling operation can be performed without using a separate tool as before. It can be done.

그리고 본 발명에서는 상기 커넥터(200)의 타단(201) 외주연에 고무링(210)을 설치하였기 때문에 타단(201)이 진공호스(300)속으로 들어가면 고무링(210)이 진공호스(300)의 내측면에 밀착된 상태를 유지하기 때문에 그만큼 기밀력이 향상되어 흡기부압이 빠져나갈 우려가 없는 것이다.And in the present invention, since the rubber ring 210 is installed on the outer periphery of the other end 201 of the connector 200, when the other end 201 enters the vacuum hose 300, the rubber ring 210 is Because it maintains close contact with the inner surface of the device, the airtightness is improved so that there is no fear that the intake negative pressure will escape.

또한, 본 발명에서는 상기 커넥터(200)의 일단에는 외측으로 돌출되는 밀림방지턱(220)이 형성된 것으로 이는 커넥터(200)의 타단(201)을 진공호스(300)속에 끼워준 후 진공호스(300)를 전진시킬 시 일측이 밀림방지턱(220)에 접면되면 진공호스(300)가 더 이상 전진되지 않고 그 위치에 고정된다.In addition, in the present invention, one end of the connector 200 is formed with a sliding bump 220 protruding outward, which is to insert the other end 201 of the connector 200 into the vacuum hose 300 and then insert the vacuum hose 300. When moving forward, if one side contacts the push bump 220, the vacuum hose 300 is no longer advanced and is fixed at that position.

100 : 흡기 매니폴드 110 : 결합구
200 : 커넥터 201 : 타단 210 : 고무링 220 : 밀림방지턱
300 : 진공호스
100: intake manifold 110: coupling port
200: connector 201: the other end 210: rubber ring 220: sliding bump
300: vacuum hose

Claims (3)

자동차의 브레이크장치에서 흡기 매니폴드와 진공호스를 결합함에 있어서,
일단에는 흡기 매니폴드(100)의 결합구(110)에 끼워질 수 있는 구경을 가지고, 타단에는 진공호스(300)의 일측이 타이트하게 끼워질 수 있는 외경을 가진 커넥터(200)를 구비하여 흡기 매니폴드(100)와 진공호스(300)를 공구 없이 간편하고 신속하게 결합할 수 있도록 하며,
상기 진공호스(300)가 끼워지는 커넥터(200)의 타단 외주면에는 진공 손실을 방지하는 고무링(210)을 돌출되게 설치하고,
흡기 매니폴드(100)의 결합구(110)에 끼워지는 커넥터(200)의 일단에는 밀림방지턱(220)을 외측으로 돌출 형성하여 진공호스(300)가 커넥터(200)의 타단(201)에 끼워진 후 더 이상 전진되지 않도록 한 것을 특징으로 하는 자동차의 브레이크장치에서 흡기 매니폴드와 진공호스의 결합구조.
In combining the intake manifold and the vacuum hose in the brake system of an automobile,
One end has a diameter that can be fitted into the coupling port 110 of the intake manifold 100, and the other end is provided with a connector 200 having an outer diameter that can be tightly fitted with one side of the vacuum hose 300. It allows the manifold 100 and the vacuum hose 300 to be simply and quickly combined without tools,
On the outer circumferential surface of the other end of the connector 200 to which the vacuum hose 300 is fitted, a rubber ring 210 that prevents vacuum loss is installed to protrude,
At one end of the connector 200 that is fitted into the coupling hole 110 of the intake manifold 100, a push bump 220 is formed to protrude outward, so that the vacuum hose 300 is fitted to the other end 201 of the connector 200. A coupling structure between an intake manifold and a vacuum hose in a brake system of a vehicle, characterized in that the vehicle is not further advanced afterwards.
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KR1020190076182A 2019-06-26 2019-06-26 Combination structure of the intake manifold and the vacuum hose from the vehicle's brake system KR102220691B1 (en)

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