KR19980053939U - Valve seat mounting structure - Google Patents
Valve seat mounting structure Download PDFInfo
- Publication number
- KR19980053939U KR19980053939U KR2019960067130U KR19960067130U KR19980053939U KR 19980053939 U KR19980053939 U KR 19980053939U KR 2019960067130 U KR2019960067130 U KR 2019960067130U KR 19960067130 U KR19960067130 U KR 19960067130U KR 19980053939 U KR19980053939 U KR 19980053939U
- Authority
- KR
- South Korea
- Prior art keywords
- valve seat
- valve
- mounting structure
- cylinder head
- refrigerant
- Prior art date
Links
- 239000003507 refrigerant Substances 0.000 claims abstract description 14
- 238000002347 injection Methods 0.000 claims abstract description 6
- 239000007924 injection Substances 0.000 claims abstract description 6
- 230000002093 peripheral effect Effects 0.000 claims abstract description 4
- 238000002485 combustion reaction Methods 0.000 abstract description 9
- 238000001816 cooling Methods 0.000 abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000002826 coolant Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000020169 heat generation Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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
- F01L3/22—Valve-seats not provided for in preceding subgroups of this group; Fixing of valve-seats
-
- 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
- F01L3/12—Cooling of valves
- F01L3/16—Cooling of valves by means of a fluid flowing through or along valve, e.g. air
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
본 고안은 밸브시트 장착구조에 관한 것으로, 보다 상세하게는 엔진의 흡·배기 포트를 개폐하는 밸브와 접촉하여 연소실의 기밀을 유지하는 밸브시트의 외주면에 트래드(thread)가 형성되고 내부에 냉매 주입공이 형성되므로서 밸브시트를 견고히 장착하고 접촉부의 냉각성능을 향상시킬 수 있는 밸브시트 장착구조에 관한 것으로, 본 고안의 주요 구성은 실린더 헤드(10)의 장착턱(10a)에 장착되며 외주면에 트래드(29)가 형성되고 내부에 냉매가 충진된 냉매주입공(28)이 형성된 것을 특징으로 한다.The present invention relates to a valve seat mounting structure, and more particularly, a thread is formed on the outer circumferential surface of the valve seat that maintains the airtightness of the combustion chamber by contacting a valve that opens and closes an inlet / exhaust port of an engine and injects refrigerant into the valve seat. The valve seat mounting structure that can securely mount the valve seat and improve the cooling performance of the contact portion as the ball is formed, the main configuration of the present invention is mounted on the mounting jaw (10a) of the cylinder head 10 and the tread on the outer peripheral surface (29) is formed and the refrigerant injection hole 28 is filled with the refrigerant is characterized in that it is formed.
Description
본 고안은 밸브시트 장착구조에 관한 것으로, 보다 상세하게는 엔진의 흡·배기 포트를 개폐하는 밸브와 접촉하여 연소실의 기밀을 유지하는 밸브시트의 외주면에 트래드(thread)가 형성되고 내부에 냉매 주입공이 형성되므로서 밸브 시트를 견고히 장착하고 접촉부의 냉각성능을 향상시킬 수 있는 밸브시트 장착구조에 관한 것이다.The present invention relates to a valve seat mounting structure, and more particularly, a thread is formed on the outer circumferential surface of the valve seat that maintains the airtightness of the combustion chamber by contacting a valve that opens and closes an inlet / exhaust port of an engine and injects refrigerant into the valve seat. The present invention relates to a valve seat mounting structure capable of firmly mounting a valve seat and improving a cooling performance of a contact part by forming a ball.
일반적으로 밸브 시트는 엔진의 연소가 이루어지는 연소실의 기밀을 유지하고 밸브와의 접촉에 의해 생기는 마모 손상을 방지하기 위해 내마멸성이 높은 재질로 이루어져 실린더 헤드의 장착턱에 설치되어 있다.In general, the valve seat is made of a high abrasion resistance material is installed on the mounting jaw of the cylinder head in order to maintain the airtightness of the combustion chamber in which the engine combustion occurs and to prevent abrasion damage caused by contact with the valve.
종래의 밸브시트 장착구조를 보면 도 1에 도시된 바와 같다. 먼저 밸브의 외주면에 밸브 스프링(121)이 탄력적으로 설치되어 밸브 가이드(123)를 상·하로 이동하여 흡·배기 포트(111, 112)를 개방하게 된다.Looking at the conventional valve seat mounting structure is as shown in FIG. First, the valve spring 121 is elastically installed on the outer circumferential surface of the valve to move the valve guide 123 up and down to open the intake and exhaust ports 111 and 112.
밸브 스프링(121)과 실린더 헤드(110)가 접촉하는 위치에 스프링 시트(125)가 설치되어 있고 실린더 헤드(110)에는 냉각수가 순환되는 물재킷(130)이 형성되어 있다.The spring seat 125 is installed at a position where the valve spring 121 and the cylinder head 110 contact each other, and a water jacket 130 through which the coolant is circulated is formed in the cylinder head 110.
밸브(120)는 밸브 스프링(121)쪽에 위치한 밸브 스템(120a)과 흡·배기포트(111, 112)를 개폐시키는 밸브 페이스(120b)로 이루어져 있다.The valve 120 is composed of a valve stem 120a located on the valve spring 121 side and a valve face 120b for opening and closing the intake / exhaust ports 111 and 112.
밸브 시트(127)는 실린더 헤드(110)의 흡·배기포트(111, 112) 입구에 형성된 장착턱(110a)에 장착되고 밸브(120)의 왕복 운동에 의해 밸브 페이스(120b)의 외주면과 접촉하게 된다.The valve seat 127 is mounted on the mounting jaw 110a formed at the inlet and outlet ports 111 and 112 of the cylinder head 110 and contacts the outer circumferential surface of the valve face 120b by the reciprocating motion of the valve 120. Done.
밸브 시트(127)의 외주면은 실린더 헤드(110)의 장착턱(110a)에 압입되어 고정되어 있고 내주면은 밸브 페이스(120b)의 외주면과 반복적으로 접촉하게 된다.The outer circumferential surface of the valve seat 127 is pressed into and fixed to the mounting jaw 110a of the cylinder head 110, and the inner circumferential surface repeatedly contacts the outer circumferential surface of the valve face 120b.
그러나 이와 같은 구성의 밸브 시트는 실린더 헤드의 장착턱에 견고히 고정되지 못하고 잘못 압입하여 탈락하기 쉬우며, 연소실에서 발생되는 고온의 열과 밸브 페이스와의 접촉에 의해 생기는 마찰열을 제거하기가 어려운 문제가 생기게 되었다.However, the valve seat of such a configuration is not firmly fixed to the mounting jaw of the cylinder head, is easily pushed out by mistake, and it is difficult to remove frictional heat generated by contact with the valve face and the high temperature heat generated in the combustion chamber. It became.
상기와 바와 같은 문제점을 해결하기 위한 본 고안은 연소실의 기밀을 유지하는 밸브 시트의 외주면에 트래드(thread)가 형성되고 내부에 냉매 주입공이 형성되므로서 밸브 시트를 실린더 헤드에 견고히 장착시키고 접촉부의 냉각성능을 높여 엔진의 연소 효율을 향상시키는데 그 목적이 있다.The present invention for solving the problems as described above is a thread is formed on the outer peripheral surface of the valve seat for maintaining the airtight of the combustion chamber and the refrigerant injection hole is formed therein, so that the valve seat is firmly mounted to the cylinder head and cooling of the contact portion The purpose is to improve the combustion efficiency of the engine by increasing its performance.
상기한 목적을 달성하기 위한 본 고안은 실린더 헤드의 장착턱에 장착되며 외주면에 트래드가 형성되고 내부에 냉매가 충진된 냉매 주입공이 형성된 밸브시트 장착구조를 제공함에 있다.The present invention for achieving the above object is to provide a valve seat mounting structure is mounted on the mounting jaw of the cylinder head and formed with a tread is formed on the outer peripheral surface and the refrigerant injection hole filled with the refrigerant therein.
도 1은 종래 밸브 기구의 밸브 시트를 나타낸 일측 단면도,1 is a side cross-sectional view showing a valve seat of a conventional valve mechanism;
도 2는 본 고안의 밸브시트 장착구조를 나타낸 일측 단면도.Figure 2 is a side cross-sectional view showing a valve seat mounting structure of the present invention.
* 도면의 주요부분에 대한 부호의 설명 *Explanation of symbols on the main parts of the drawings
10 : 실린더 헤드10a : 장착턱10: cylinder head 10a: mounting jaw
11 : 흡기 포트12 : 배기 포트11: intake port 12: exhaust port
20 : 밸브20a : 밸브 스템20: valve 20a: valve stem
20b : 밸브 페이스21 : 밸브 스프링20b: valve face 21: valve spring
23 : 밸브 가이드25 : 스프링 시트23: valve guide 25: spring seat
27 : 밸브시트28 : 냉매 주입공27: valve seat 28: refrigerant injection hole
29 : 트래드29: Tread
본 고안의 구성을 보면 도 2에 도시된 바와 같이, 먼저 밸브의 외주면에 밸브 스프링(21)이 탄력적으로 설치되어 밸브 가이드(23)를 상·하로 이동하여 흡·배기포트(11, 12)를 개방하게 되고, 밸브 스프링(21)과 실린더 헤드(10)가 접촉하는 위치에 스프링 시트(25)가 설치되어 있으며, 실린더 헤드(10)에는 냉각수가 순환되는 물재킷(30)이 형성되어 있다.2, the valve spring 21 is elastically installed on the outer circumferential surface of the valve to move the valve guide 23 up and down to open the intake / exhaust ports 11 and 12. The spring seat 25 is provided at a position where the valve spring 21 and the cylinder head 10 come into contact with each other, and a water jacket 30 through which the coolant is circulated is formed in the cylinder head 10.
밸브(20)는 밸브 스프링(21)쪽에 위치한 밸브 스템(20a)과 흡·배기포트(11, 12)를 개폐시키는 밸브 페이스(20b)로 이루어져 있다.The valve 20 is composed of a valve stem 20a located on the valve spring 21 side and a valve face 20b for opening and closing the intake / exhaust ports 11 and 12.
밸브 시트(27)는 실린더 헤드(10)의 흡·배기포트(11, 12) 입구에 형성된 장착턱(10a)에 장착되며 외주면에 트래드(29)가 형성되고 내부에 냉매가 충진된 냉매 주입공(28)이 형성되어 있다.The valve seat 27 is mounted on a mounting jaw 10a formed at the inlet and outlet ports 11 and 12 of the cylinder head 10, and a tread 29 is formed on an outer circumferential surface thereof and a refrigerant filling hole filled with a refrigerant therein. 28 is formed.
밸브 시트(27)의 외주면에 형성된 트래드(29)는 실린더 헤드(10)의 장착턱(10a)에 견고히 고정시켜 주어 밸브 시트(27)가 분리 이탈되는 것을 방지해 주게 된다.The tread 29 formed on the outer circumferential surface of the valve seat 27 is firmly fixed to the mounting jaw 10a of the cylinder head 10 to prevent the valve seat 27 from being separated and separated.
그리고 밸브 시트(27)의 내부에는 냉매가 충진된 냉매 주입공(28)이 형성되어 냉각 효과를 높이며, 특히 밸브 시트(27)와 실린더 헤드(10)의 접촉면적이 증대하여 발열 성능이 증대되게 된다.In addition, a refrigerant injection hole 28 filled with a refrigerant is formed in the valve seat 27 to increase the cooling effect. In particular, the contact area between the valve seat 27 and the cylinder head 10 is increased to increase the heat generation performance. do.
밸브 시트(27)의 발열은 실린더 헤드(10)를 통하여 냉각수가 순환되는 물재킷(30)으로 열전달되어 냉각이 원활하게 이루어지게 된다.The heat generated in the valve seat 27 is transferred to the water jacket 30 through which the coolant is circulated through the cylinder head 10, so that the cooling is smoothly performed.
따라서 본 고안은 밸브 시트를 실린더 헤드의 장착턱에 견고히 장착하게 되며 밸브 시트에 발생되는 열을 용이하게 물재킷으로 전달할 수가 있다.Therefore, the present invention firmly mounts the valve seat to the mounting jaw of the cylinder head and can easily transfer the heat generated in the valve seat to the water jacket.
이상에서 살펴본 바와 같이, 본 고안은 연소실의 기밀을 유지하는 밸브시트의 외주면에 트래드가 형성되어 실린더 헤드에 견고히 장착시킬 수 있고, 밸브 시트의 내부에 형성된 냉매 주입공에 냉매가 충진되므로서 냉각성능이 높아 엔진의 연소 효율이 향상될 수 있는 효과가 있다.As described above, the present invention has a tread formed on the outer circumferential surface of the valve seat that maintains the airtightness of the combustion chamber and can be firmly mounted on the cylinder head. This high effect has an effect that can improve the combustion efficiency of the engine.
본 고안은 상기 실시예에 한정되지 않고 본 고안의 기술적 요지를 벗어나지 않는 범위내에서 당해 기술분야의 통상의 지식을 가진자에 의해 다양하게 변형실시될 수 있다.The present invention is not limited to the above embodiments and may be variously modified and implemented by those skilled in the art without departing from the technical gist of the present invention.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2019960067130U KR19980053939U (en) | 1996-12-31 | 1996-12-31 | Valve seat mounting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2019960067130U KR19980053939U (en) | 1996-12-31 | 1996-12-31 | Valve seat mounting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR19980053939U true KR19980053939U (en) | 1998-10-07 |
Family
ID=54004801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR2019960067130U KR19980053939U (en) | 1996-12-31 | 1996-12-31 | Valve seat mounting structure |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR19980053939U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008032899A1 (en) | 2006-09-12 | 2008-03-20 | Lg Electronics, Inc. | Cooking apparatus |
-
1996
- 1996-12-31 KR KR2019960067130U patent/KR19980053939U/en not_active Application Discontinuation
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008032899A1 (en) | 2006-09-12 | 2008-03-20 | Lg Electronics, Inc. | Cooking apparatus |
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