KR200149355Y1 - Valve seat structure of engine combustion chamber - Google Patents
Valve seat structure of engine combustion chamber Download PDFInfo
- Publication number
- KR200149355Y1 KR200149355Y1 KR2019960040772U KR19960040772U KR200149355Y1 KR 200149355 Y1 KR200149355 Y1 KR 200149355Y1 KR 2019960040772 U KR2019960040772 U KR 2019960040772U KR 19960040772 U KR19960040772 U KR 19960040772U KR 200149355 Y1 KR200149355 Y1 KR 200149355Y1
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- KR
- South Korea
- Prior art keywords
- valve
- valve seat
- seat
- combustion chamber
- engine combustion
- Prior art date
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L3/00—Lift-valve, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces; Parts or accessories thereof
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Combustion Methods Of Internal-Combustion Engines (AREA)
Abstract
본 고안은 엔진연소실의 밸브시트의 구조에 관한 것으로, 특히 밸브스템과 밸브시트체로 이루어진 흡배기밸브의 상,하이동시 상기 밸브체의 상면이 접촉지지되는 엔진연소실의 밸브시트의 구조에 관한 것이다.The present invention relates to a structure of a valve seat of an engine combustion chamber, and more particularly, to a structure of a valve seat of an engine combustion chamber in which an upper surface of the valve body is in contact with each other when a valve stem and a valve seat body move up and down.
상기의 목적을 달성하기 위한 본 고안에 따른 엔진연소실의 밸브시트체의 구조는, 밸브스템(2)과 밸브체(1)로 이루어진 흡배기밸브의 상,하이동시 상기 밸브체(1)의 상면이 접촉지지되는 엔진연소실의 밸브시트의 구조에 있어서, 밸브시트(16)는 상부 시트보디(14)와 하부 밸브시트(16)로 이분활되고, 상기 상부 시트보디(14)와 하부 밸브시트(16) 사이에는 밀봉재(18)를 개재한 상태에서 탄성부재(20)에 의하여 서로 탄력고정되는 것을 특징으로 한다.The structure of the valve seat body of the engine combustion chamber according to the present invention for achieving the above object, the upper surface of the valve body 1 when the upper and lower movement of the intake and exhaust valve consisting of the valve stem (2) and the valve body (1) In the structure of the valve seat of the engine combustion chamber which is in contact with and supported, the valve seat 16 is divided into an upper seat body 14 and a lower valve seat 16, and the upper seat body 14 and the lower valve seat 16 are separated. Between) is elastically fixed to each other by the elastic member 20 in the state of interposing the sealing material (18).
Description
본 고안은 엔진연소실의 밸브시트구조에 관한 것으로, 특히 밸브스템과 밸브시트체로 이루어진 흡배기밸브의 상,하이동시 상기 밸브체의 상면이 안착지지되는 엔진연소실의 밸브시트구조에 관한 것이다.The present invention relates to a valve seat structure of an engine combustion chamber, and more particularly, to a valve seat structure of an engine combustion chamber in which an upper surface of the valve body is seated and supported when the intake / exhaust valve consisting of a valve stem and a valve seat body moves up and down.
일반적으로 자동차의 엔진에서는 팽창행정에 필요한 혼합기를 연소실내로 끌어들이고, 또한 연소가스를 외부로 배출하기 위하여 1개의 실린더에 흡입밸브와 배기밸브를 비치하고 있다. 이러한 흡배기밸브는 자루부분인 밸브스템과 밸브의 헤드에 해당하는 밸브체로 이루어져 있다.In general, an engine of an automobile includes an intake valve and an exhaust valve in one cylinder to draw a mixer necessary for an expansion stroke into a combustion chamber and to discharge combustion gas to the outside. The intake / exhaust valve consists of a valve stem corresponding to a bag portion and a head of the valve.
도 2는 종래 밸브시트의 구조를 도시하는 단면도이다.2 is a cross-sectional view showing the structure of a conventional valve seat.
도 2를 참조하면, 밸브체(1)와 밸브스템(2)이 일체로 형성된 밸브부재(10)와;2, the valve member 10 formed integrally with the valve body 1 and the valve stem 2;
상기 밸브부재(10)의 상방향으로 이동시 상기 밸브체(1)의 상면이 접촉안착되는 밸브시트(3)로 이루어져 있다. 이러한 흡배기밸브는 상방향으로 이동시 실린더헤드부에 마련된 밸브시트(3)면에 안착된다. 밸브시트(3)는 밸브체(1)와 밀착하여 연소실의 압력누출을 방지할 목적으로 완전한 기밀유지, 또한 고온가스에 노출되면서 밸브와 반복하여 충돌해도 손상이 생기지 않을 정도의 경도가 필요하다.When the valve member 10 moves in the upward direction, the upper surface of the valve body 1 consists of a valve seat (3). This intake and exhaust valve is seated on the valve seat 3 surface provided in the cylinder head portion when moving upward. The valve seat 3 is in close contact with the valve body 1 and is required to be completely airtight for the purpose of preventing pressure leakage of the combustion chamber, and to have a hardness such that damage does not occur even if it repeatedly hits the valve while being exposed to hot gas.
그러나 전술한 바와 같은 종래의 밸브의 시트구조에 의하면, 흡배기밸브가 연소실의 고압가스에 의하여 상방향으로 이동하여 밸브시트에 접촉할 때 매우큰 충격이 생기고, 이로인하여 밸브시트가 점차 마모되는 문제점이 있다.However, according to the seat structure of the conventional valve as described above, when the intake / exhaust valve moves upward by the high pressure gas of the combustion chamber to come into contact with the valve seat, a very large impact occurs, which causes the valve seat to gradually wear out. have.
본 고안은 전술한 종래의 문제점을 감안하여 안출된것으로, 본 고안의 목적은, 밸브시트및 밸브의 충격을 완화하여 밸브시트의 마모방지및 밸브의 균열발생을 방지할 수 있는 자동차의 흡배기 밸브의 시트구조를 제공하는데 있다.The present invention has been made in view of the above-mentioned conventional problems, and an object of the present invention is to reduce the impact of the valve seat and the valve to prevent wear of the valve seat and the occurrence of cracking of the valve. To provide a sheet structure.
상기의 목적을 달성하기 위한 본 고안에 따른 자동차의 흡배기 밸브의 시트구조는, 밸브스템과 밸브시트로 이루어진 흡배기밸브의 상,하이동시 상기 밸브체의 상면이 접촉지지되는 자동차의 흡배기밸브의 시트구조에 있어서, 상기 밸브시트는 상부시트보디와 하부시트체로 이분활되고, 상기 상부시트보디와 하부시트체 사이에는 밀봉제를 개재한 상태에서 탄성부재에 의하여 서로 탄력고정되는 것을 특징으로 한다.The seat structure of the intake and exhaust valve of the vehicle according to the present invention for achieving the above object, the seat structure of the intake and exhaust valve of the vehicle that the upper surface of the valve body is supported in contact with the upper and lower movement of the intake and exhaust valve consisting of the valve stem and the valve seat The valve seat is divided into an upper seat body and a lower seat body, and the upper seat body and the lower seat body are elastically fixed to each other by an elastic member in a state of interposing a sealing agent.
도 1은 본 고안에 따른 엔진연소실의 밸브시트구조를 도시하는 반단면도,1 is a half sectional view showing a valve seat structure of an engine combustion chamber according to the present invention;
도 2는 종래 엔진연소실의 밸브시트구조를 도시하는 단면도이다.2 is a cross-sectional view showing a valve seat structure of a conventional engine combustion chamber.
※ 도면의 주요부분에 대한 부호의 설명※ Explanation of code for main part of drawing
10 : 밸브부재 12 : 밸브시트부10 valve member 12 valve seat portion
14 : 시트보디 16 : 밸브시트14: seat body 16: valve seat
18 : 밀봉재 20 : 스프링18: sealing material 20: spring
22 : 관통홀 24 : 걸림단22: through hole 24: locking end
26 : 고정돌기부 28 : 볼트26: fixing projections 28: bolt
이하에서 첨부된 도면을 참조하여 본 고안의 바람직한 실시예를 상세히 설명한다.Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.
도 1은 본 고안에 따른 자동차의 흡배기밸브의 구조를 도시하는 반단면도이다.1 is a half sectional view showing a structure of an intake and exhaust valve of a vehicle according to the present invention.
도 1를 참조하면, 참조번호10은 밸브부재를 도시하며, 상기 밸브부재는 자루부분인 밸브스템(2)과 밸브체(1)로 이루어져 있다. 참조번호 12는 밸브시트부를 도시하는 것으로, 상기 밸브시트부(12)는 상부 시트보디(14)와 하부 밸브시트(16)로 이분활되어 있다. 상기 상부 시트보디(14)는 중앙부에 관통홀(22)이 형성되어 있고, 상기 관통홀(22)에는 걸림단(24)이 마련되어 있다.Referring to Fig. 1, reference numeral 10 denotes a valve member, and the valve member is composed of a valve stem 2 and a valve body 1, which are bag portions. Reference numeral 12 denotes a valve seat portion, which is divided into an upper seat body 14 and a lower valve seat 16. The upper seat body 14 has a through hole 22 formed at a central portion thereof, and a locking end 24 is provided at the through hole 22.
참조번호 16은 하부 밸브시트를 도시하며, 상기 하부 밸브시트(16)에는 밸브체(1)의 상면이 안착될 수 있도록 곡면부의 안착면이 마련되어 있다. 상기 하부 밸브시트(16)의 상부에는 고정돌기부(26)가 형성되어 있고, 상기 고정돌기부(26)에는 나사부가 형성되어 하부 밸브시트(16)의 고정돌기부(26)를 상기 상부 시트보디(14)의 걸림단(24)에 끼운상태에서 너트(28)등과 같은 고정구에 의하여 고정할 수 있도록 되어 있다.Reference numeral 16 denotes a lower valve seat, and the lower valve seat 16 is provided with a seating surface of a curved portion so that the upper surface of the valve body 1 can be seated. A fixing protrusion 26 is formed at an upper portion of the lower valve seat 16, and a screw portion is formed at the fixing protrusion 26 to fix the fixing protrusion 26 of the lower valve seat 16 to the upper seat body 14. It can be fixed by a fixture such as a nut (28) in the state of being fitted to the locking end (24) of.
또한 상기 하부 밸브시트(16)의 상부에는 탄성부재인 판형의 스프링(20)을 게재한 상태에서 밀봉재(18)가 설치되어 있다. 따라서 밸브에 의해 밸브시트부(12)에 충격이 가해지면 상기 하부 밸브시트(16)를 지지하고 있던 스프링(20)이 뒤로 밀리면서 충격을 완충시키는 작용을 하게 된다. 또한, 상기 하부 밸브시트(16)와 상부 시트바디(14)사이에 설치되는 밀봉재(18)는 기밀을 유지하고 미세한 충격을 흡수하는 역활을 하게 된다.Moreover, the sealing material 18 is installed in the upper part of the said lower valve seat 16 in the state which laid the plate-shaped spring 20 which is an elastic member. Therefore, when an impact is applied to the valve seat portion 12 by the valve, the spring 20 supporting the lower valve seat 16 is pushed backward to cushion the impact. In addition, the sealing material 18 installed between the lower valve seat 16 and the upper seat body 14 serves to maintain airtightness and absorb minute impact.
이상에서와 같은 본 고안에 따른 엔진연소실의 밸브시트구조에 의하면, 밸브시트와 밸브부재사이의 충격을 완화하여 밸브시트의 마모방지및 밸브체의 균열을 방지할 수 있느 효과가 있다.According to the valve seat structure of the engine combustion chamber according to the present invention as described above, by reducing the shock between the valve seat and the valve member can prevent the wear of the valve seat and the crack of the valve body.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2019960040772U KR200149355Y1 (en) | 1996-11-19 | 1996-11-19 | Valve seat structure of engine combustion chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2019960040772U KR200149355Y1 (en) | 1996-11-19 | 1996-11-19 | Valve seat structure of engine combustion chamber |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR19980027808U KR19980027808U (en) | 1998-08-05 |
| KR200149355Y1 true KR200149355Y1 (en) | 1999-06-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR2019960040772U KR200149355Y1 (en) | 1996-11-19 | 1996-11-19 | Valve seat structure of engine combustion chamber |
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| Country | Link |
|---|---|
| KR (1) | KR200149355Y1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030039477A (en) * | 2001-11-13 | 2003-05-22 | 현대자동차주식회사 | Seal ring typed valve structure |
| KR20030048175A (en) * | 2001-12-11 | 2003-06-19 | 현대자동차주식회사 | Apparatus of valve seat for LPG engine |
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1996
- 1996-11-19 KR KR2019960040772U patent/KR200149355Y1/en not_active IP Right Cessation
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| Publication number | Publication date |
|---|---|
| KR19980027808U (en) | 1998-08-05 |
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