KR100412877B1 - Auto knock bushing structure in automotive engine - Google Patents
Auto knock bushing structure in automotive engine Download PDFInfo
- Publication number
- KR100412877B1 KR100412877B1 KR10-2001-0060593A KR20010060593A KR100412877B1 KR 100412877 B1 KR100412877 B1 KR 100412877B1 KR 20010060593 A KR20010060593 A KR 20010060593A KR 100412877 B1 KR100412877 B1 KR 100412877B1
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- South Korea
- Prior art keywords
- cam cap
- cylinder head
- knock
- cam
- bolt
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F1/00—Cylinders; Cylinder heads
- F02F1/24—Cylinder heads
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F7/00—Casings, e.g. crankcases
- F02F7/006—Camshaft or pushrod housings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F7/00—Casings, e.g. crankcases
- F02F7/006—Camshaft or pushrod housings
- F02F2007/0063—Head bolts; Arrangements of cylinder head bolts
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Valve-Gear Or Valve Arrangements (AREA)
Abstract
본 발명은 차량엔진의 자동 노크 부싱 구조에 관한 것으로, 캠캡과 실린더헤드의 조립부위가 캠캡보올트의 삽입에 따라 자동으로 노크부싱되어져 노킹부시를 사용하지 않고 간편하게 조립됨은 물론 노크부싱의 미사용에 따른 압입공정과 챔버가공 공정도 제거함에 그 목적이 있다.The present invention relates to an automatic knock bushing structure of a vehicle engine, wherein an assembly portion of a cam cap and a cylinder head is automatically knocked by inserting a cam cap bolt so that it can be easily assembled without using a knock bush as well as a non-use of a knock bushing. The purpose is to also eliminate the indentation process and the chamber processing process.
상기와 같은 목적을 달성하기 위한 본 발명은, 엔진의 밸브기구를 작동시키는 캠샤프트(30)를 회전 자재 되게 안착시키는 캠캡보올트(60)가 실린더 헤드(40)의 체결홀(40')과 캠캡(50)의 삽입홀(50')을 통해 삽입되어 결합되되, 상기 캠캡보올트(60)의 부위에는 실린더 헤드(40)와 캠캡(50)이 서로 접촉되는 부위에서 일치되도록 각각 형성된 조립홀(40",50")에 접촉되도록 보올트 축경(D)보다 상대적으로 넓은 확장축경(d)을 갖는 확장단(60b)이 형성되어진 것을 특징으로 한다.The present invention for achieving the above object, the cam cap bolt 60 for seating the cam shaft 30 for operating the valve mechanism of the engine to be rotatable material and the fastening hole (40 ') of the cylinder head 40 and Inserted through the insertion hole 50 ′ of the cam cap 50 is coupled to each other, the assembly portion of the cam cap bool 60 is formed so that the cylinder head 40 and the cam cap 50 is matched to each other in contact with each other An extended end 60b having an extended shaft diameter d which is relatively wider than the bolt shaft diameter D is formed to contact 40 ″, 50 ″.
Description
본 발명은 차량엔진의 자동 노크 부싱 구조에 관한 것으로, 보다 상세하게는 캠캡보올트에 일체로 형성시킨 차량엔진의 자동 노크 부싱 구조에 관한 것이다.The present invention relates to an automatic knock bushing structure of a vehicle engine, and more particularly, to an automatic knock bushing structure of a vehicle engine formed integrally with a cam cap boat.
일반적으로 차량의 경우 내부에서 고온·고압으로 폭발하여 회전력을 얻는 내연기관을 엔진으로 사용하게 되는데, 이와 같은 엔진은 동력을 발생하는 부분으로서 실린더와 크랭크케이스, 실린더헤드, 피스톤, 크랭크축, 플라이휠, 캠축, 밸브기구등과 같이 많은 장치들로 이루어지게 된다.In general, in the case of a vehicle, an internal combustion engine that obtains rotational force by exploding at high temperature and high pressure is used as an engine. Such an engine generates power, such as a cylinder, a crankcase, a cylinder head, a piston, a crankshaft, a flywheel, It consists of many devices such as camshaft, valve mechanism and so on.
즉, 이와 같이 여러 장치들로 이루어진 엔진은 실린더헤드부위에 구비된 밸브기구를 작동시켜 외부 공기와 인젝터에서 분사되는 연료를 실린더에 형성된 밀폐된 연소실로 공급하여 압축하면서 폭발시켜 작동되는 피스톤의 왕복운동을 크랭크케이스에 구비된 크랭크샤프트를 통해 회전운동으로 변환하여 차량의 동력을 얻게 된다.That is, the engine composed of several devices as described above operates the valve mechanism provided in the cylinder head portion to supply the fuel injected from the outside air and the injector to the closed combustion chamber formed in the cylinder, compresses it, and explodes it to operate the reciprocating motion of the piston. Is converted into rotational movement through the crankshaft provided in the crankcase to obtain the power of the vehicle.
이중, 엔진의 상부를 이루는 실린더헤드부위에 구비된 밸브기구를 작동시키는 캠샤프트(30)는 도 1에 도시된 바와 같이, 캠캡보올트(60)를 매개로 고정되는 캠캡(50)이 소정 간격으로 설치된 실린더 헤드(40)의 양쪽 끝인 저널부에 회전 자재 되게 안착되어진다.Among these, the cam shaft 30 for operating the valve mechanism provided on the cylinder head portion forming the upper portion of the engine, as shown in Figure 1, the cam cap 50 is fixed via the cam cap bolt 60 is a predetermined interval Rotating material is seated on both ends of the cylinder head 40 is installed as.
여기서, 상기 캠캡보올트(60)는 실린더 헤드(40)의 체결홀(40')과 캠캡(50)의 삽입홀(50')을 통해 삽입되어 결합되는데 즉, 도 2에 도시된 바와 같이 상기 캠캡(50)의 삽입홀(50')하부에서 보올트직경(D)보다 상대적으로 넓게 형성된 조립홀(50")에 노크부싱(70)을 압입 고정한 후, 이 노크부싱(70)의 일단을 실린더 헤드(40)의 체결홀(40')상부에서 보올트 축경(D)보다 상대적으로 넓게 형성된 조립홀(40")로 끼워 압입 고정한 다음, 상기 캠캡보올트(60)를 삽입하여 체결시키게 된다.Here, the cam cap bolt 60 is inserted and coupled through the fastening hole 40 'of the cylinder head 40 and the insertion hole 50' of the cam cap 50, that is, as shown in FIG. The knock bushing 70 is press-fitted into the assembly hole 50 "formed at a lower portion of the cam cap 50 than the bolt diameter D, and then one end of the knock bushing 70 is fixed. The cam cap bolt 60 is inserted and fastened by being inserted into the assembly hole 40 ″ formed on the fastening hole 40 ′ of the cylinder head 40 by the assembly hole 40 ″ which is relatively wider than the bolt shaft diameter D. .
그러나, 이와 같이 캠캡(50)과 실린더헤드(40)를 캠캡보올트(60)로 결합하려면, 상기 캠캡(50)에 노크부싱(70)을 압입 고정한 다음 이 노크부싱(70)을 실린더헤드(40)에 삽입해야만 되는데, 이와 같이 상기 캠캡(50)과 실린더헤드(40)의 조립 시 위치를 잡아주는 노크부싱(70)은 그 조립공차가 약 0 - 22㎛ 로 극히 정밀하게 가공되어진 상태에서 각각 압입 되어야 만 할뿐만 아니라 상기 노크부싱(70)의 삽입이 용이하도록 캠캡(50)과 실린더헤드(40)의 조립홀(40",50")의 끝단에 각각 챔퍼(40'",50'")를 형성해야 만 되는 단점이 있게 된다.However, in order to couple the cam cap 50 and the cylinder head 40 to the cam cap bolt 60 in this manner, the knock bushing 70 is press-fitted to the cam cap 50 and then the knock bushing 70 is fixed to the cylinder head ( 40), but the knock bushing 70 for positioning the cam cap 50 and the cylinder head 40 as described above is processed with an extremely precise assembling tolerance of about 0 to 22 μm. The chamfers 40 '"and 50' are respectively provided at the ends of the cam cap 50 and the assembly holes 40" and 50 "of the cylinder head 40 to facilitate insertion of the knock bushing 70, respectively. There is a drawback to having to form ").
이에 본 발명은 상기와 같은 점을 감안하여 발명된 것으로, 캠캡과 실린더헤드의 조립부위가 캠캡보올트의 삽입에 따라 자동으로 노크부싱되어져 노킹부시를 사용하지 않고 간편하게 조립됨은 물론 노크부싱의 미사용에 따른 압입공정과 챔버가공 공정도 제거함에 그 목적이 있다.Accordingly, the present invention has been invented in view of the above points, and the assembly portion of the cam cap and the cylinder head is automatically knocked by inserting the cam cap bolt so that it can be easily assembled without using the knocking bush and of course the knock bushing is not used. The purpose is also to remove the indentation process and the chamber processing process.
상기와 같은 목적을 달성하기 위한 본 발명은, 엔진의 밸브기구를 작동시키는 캠샤프트(30)를 회전 자재 되게 안착시키는 캠캡보올트(60)가 실린더 헤드(40)의 체결홀(40')과 캠캡(50)의 삽입홀(50')을 통해 삽입되어 결합되되, 상기 캠캡보올트(60)의 부위에는 실린더 헤드(40)와 캠캡(50)이 서로 접촉되는 부위에서 일치되도록 각각 형성된 조립홀(40",50")에 접촉되도록 보올트 축경(D)보다 상대적으로 넓은 확장축경(d)을 갖는 확장단(60b)이 형성되어진 것을 특징으로 한다.The present invention for achieving the above object, the cam cap bolt 60 for seating the cam shaft 30 for operating the valve mechanism of the engine to be rotatable material and the fastening hole (40 ') of the cylinder head 40 and Inserted through the insertion hole 50 ′ of the cam cap 50 is coupled to each other, the assembly portion of the cam cap bool 60 is formed so that the cylinder head 40 and the cam cap 50 is matched to each other in contact with each other An extended end 60b having an extended shaft diameter d which is relatively wider than the bolt shaft diameter D is formed to contact 40 ″, 50 ″.
도 1은 일반적인 차량 엔진의 실린더헤드 부위의 구성도1 is a configuration diagram of a cylinder head portion of a general vehicle engine
도 2는 종래에 따른 실린더헤드와 캠캡을 고정하는 캠캡보올트의 단면도Figure 2 is a cross-sectional view of the cam cap bolt fixing the cylinder head and the cam cap according to the prior art
도 3은 본 발명에 따른 실린더헤드와 캠캡을 고정하는 캠캡보올트의 단면도Figure 3 is a cross-sectional view of the cam cap bolt fixing the cylinder head and the cam cap according to the present invention
<도면의 주요부분에 대한 부호의 설명><Description of Symbols for Main Parts of Drawings>
30 : 캠샤프트 40 : 실린더헤드30: camshaft 40: cylinder head
40' : 체결홀40 ': Fastening hole
40" : 조립홀 40'",50'" : 챔퍼40 ": Assembly hole 40 '", 50' ": Chamfer
50 : 캠캡 50' : 삽입홀50: cam cap 50 ': insertion hole
50" : 조립홀 60 : 캠캡보올트50 ": Assembly hole 60: Cam cap bolt
60a : 축60a: axis
60b : 확장단 70 : 노크부싱60b: expansion stage 70: knock bushing
D : 축경 d : 확장축경D: Shaft diameter d: Expansion shaft diameter
이하 본 발명의 실시예를 첨부된 예시도면을 참조로 상세히 설명한다.Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.
도 3은 본 발명에 따른 실린더헤드와 캠캡을 고정하는 캠캡보올트의 단면도를 도시한 것인바, 본 발명은 엔진의 상부를 이루는 실린더헤드부위에 구비된 밸브기구를 작동시키는 캠샤프트(30)가 회전 자재 되게 안착되도록 캠캡(50)과 실린더 헤드(40)를 서로 결합하는 캠캡보올트(60)가 실린더 헤드(40)의 체결홀(40')과 캠캡(50)의 삽입홀(50')을 통해 삽입되어 결합되되, 상기 캠캡보올트(60)의 부위에는 실린더 헤드(40)와 캠캡(50)이 서로 접촉되는 부위에서 일치되도록 각각 형성된 조립홀(40",50")에 접촉되도록 보올트 축경(D)보다 상대적으로 넓은 확장축경(d)을 갖는 확장단(60b)이 형성되어진다.Figure 3 shows a cross-sectional view of the cam cap bolt fixing the cylinder head and the cam cap according to the present invention, the present invention is a cam shaft 30 for operating the valve mechanism provided on the cylinder head portion forming the upper portion of the engine The cam cap bolt 60, which couples the cam cap 50 and the cylinder head 40 to each other so as to be seated in rotation, has a fastening hole 40 ′ of the cylinder head 40 and an insertion hole 50 ′ of the cam cap 50. Inserted through and coupled to each other, the portion of the cam cap bool 60, the cylinder head 40 and the cam cap 50 is to be in contact with each of the assembly holes (40 ", 50") formed so as to match each other in contact with each other. An expansion end 60b having an expansion shaft diameter d which is relatively wider than the olt shaft diameter D is formed.
여기서, 상기 캠캡보올트(60)의 확장단(60b)이 위치되는 실린더 헤드(40)의 조립홀(40")은 삽입홀(40')의 상부에서 상대적으로 넓은 직경으로 형성되는 반면, 상기 캠캡(50)의 조립홀(50")은 삽입홀(50')의 하부에서 상대적으로 좁은 직경으로 형성되어지는데 이는, 상기 캠캡(50)의 삽입홀(50')을 통해 실린더 헤드(40)의 조립홀(40") 위치의 확인이 용이하게 할 수 있음은 물론이다.Here, the assembly hole 40 "of the cylinder head 40 in which the extended end 60b of the cam cap boat 60 is located is formed with a relatively wide diameter at the upper portion of the insertion hole 40 ', The assembling hole 50 "of the cam cap 50 is formed at a relatively narrow diameter at the bottom of the insertion hole 50 ', which is the cylinder head 40 through the insertion hole 50' of the cam cap 50. Of course, it can be easily confirmed the position of the assembly hole 40 ".
이에 따라, 엔진의 상부를 이루는 실린더헤드부위에 구비된 밸브기구를 작동시키는 캠샤프트(30)를 실린더 헤드(40)의 저널부에 안착시킨 다음, 상기 캠샤프트(30)를 회전 자재 되게 안착되도록 감싸는 캠캡(50)을 위치시켜 캠캡보올트(60)를 매개로 서로 결합시키게 되는데 즉, 상기 캠캡보올트(60)를 실린더 헤드(40)의 조립홀(40")과 일치된 캠캡(50)의 조립홀(50")이 형성된 삽입홀(50')을 통해 삽입하게 되면, 상기 캠캡보올트(60)의 확장단(60b)부위가 상대적으로 큰 직경을 이루는 상기 캠캡(50)의 삽입홀(50')을 통해 조립홀(50")에 자동적으로 밀착되면서 나사 체결되어지게 된다.Accordingly, the camshaft 30 for operating the valve mechanism provided on the cylinder head portion forming the upper portion of the engine is seated on the journal portion of the cylinder head 40, and then the camshaft 30 is settled on the rotating material. The cam cap 50 is positioned to be coupled to each other via the cam cap bolt 60, that is, the cam cap 50 is matched with the assembly hole 40 ″ of the cylinder head 40. When the insertion hole 50 'is formed through the insertion hole 50', the extension end 60b of the cam cap bolt 60 has a relatively large diameter insertion hole of the cam cap 50. The screw 50 is automatically attached to the assembly hole 50 "through 50 '.
이때, 상기 실린더 헤드(40)의 조립홀(40")과 캠캡(50)의 조립홀(50")에 밀착된 캠캡보올트(60)의 확장단(60b)부위는 전술한 종래의 기술에서 요구된 노크부싱(70)의 역할 즉, 상기 실린더 헤드(40)와 캠캡(50)의 조립위치를 잡아주게 됨은 물론이다.At this time, the extension end (60b) of the cam cap bolt 60 in close contact with the assembly hole 40 "of the cylinder head 40 and the assembly hole 50" of the cam cap 50 in the above-described conventional technology It is a matter of course that the required role of the knock bushing 70, that is, the assembly position of the cylinder head 40 and the cam cap (50).
이와 같이, 본 발명은 실린더 헤드(40)와 캠캡(50)을 조립하기 위해 극히 정밀한 조립공차를 갖는 노크부싱(70)을 캠캡(50)에 압입하고 또한 실린더헤드(40)에 삽입하는 공정이 필요 없게 되므로 이에 따른 조립공정이 줄어들게 됨은 물론 상기 노크부싱(70)의 압입 시 가이드하기 위한 챔버도 형성하지 않게 되므로 챔버가공 공정도 필요치 않게 됨은 물론이다.As such, the present invention presses the knock bush 70 having an extremely precise assembly tolerance to the cam cap 50 and inserts the cylinder head 40 into the cylinder head 40 in order to assemble the cylinder head 40 and the cam cap 50. Since there is no need to reduce the assembly process according to this, as well as not forming a chamber for guiding the press-in of the knock bushing 70, the chamber processing process is also unnecessary.
이상 설명한 바와 같이 본 발명에 의하면, 캠캡보올트에 상대적으로 큰 직경을 형성하여 캠캡보올트의 삽입에 따라 캠캡과 실린더헤드의 조립부위에서 자동으로 노크부싱 되어져 노킹부시를 사용하지 않고 간편하게 조립됨은 물론 노크부싱의 미사용에 따른 압입공정과 챔버가공 공정도 필요 없게되는 효과가 있게 된다.As described above, according to the present invention, by forming a relatively large diameter on the cam cap bolt is automatically knocked bushing at the assembly portion of the cam cap and the cylinder head in accordance with the insertion of the cam cap bolt is easily assembled without using the knocking bush, of course The press-in process and the chamber processing process according to the non-use of the knock bushing are also unnecessary.
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2001-0060593A KR100412877B1 (en) | 2001-09-28 | 2001-09-28 | Auto knock bushing structure in automotive engine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2001-0060593A KR100412877B1 (en) | 2001-09-28 | 2001-09-28 | Auto knock bushing structure in automotive engine |
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| Publication Number | Publication Date |
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| KR20030027405A KR20030027405A (en) | 2003-04-07 |
| KR100412877B1 true KR100412877B1 (en) | 2003-12-31 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102082257B1 (en) | 2019-11-08 | 2020-02-26 | 주식회사 에스엠지티 | Automatic assembling apparatus for pressing insertion components |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103883420A (en) * | 2014-04-02 | 2014-06-25 | 广西玉柴机器股份有限公司 | Engine |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR920002840Y1 (en) * | 1990-07-02 | 1992-05-04 | 김동기 | Apparatus for searching sea bottom on trawling boat |
| KR19980045546U (en) * | 1996-12-27 | 1998-09-25 | 박병재 | Tightening structure of cap for fixing camshaft |
| JP2001317633A (en) * | 2000-05-11 | 2001-11-16 | Fuji Heavy Ind Ltd | Seal structure |
-
2001
- 2001-09-28 KR KR10-2001-0060593A patent/KR100412877B1/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR920002840Y1 (en) * | 1990-07-02 | 1992-05-04 | 김동기 | Apparatus for searching sea bottom on trawling boat |
| KR19980045546U (en) * | 1996-12-27 | 1998-09-25 | 박병재 | Tightening structure of cap for fixing camshaft |
| JP2001317633A (en) * | 2000-05-11 | 2001-11-16 | Fuji Heavy Ind Ltd | Seal structure |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102082257B1 (en) | 2019-11-08 | 2020-02-26 | 주식회사 에스엠지티 | Automatic assembling apparatus for pressing insertion components |
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