JPS6077707U - 4-stroke internal combustion engine with DOHC valve mechanism - Google Patents
4-stroke internal combustion engine with DOHC valve mechanismInfo
- Publication number
- JPS6077707U JPS6077707U JP16985083U JP16985083U JPS6077707U JP S6077707 U JPS6077707 U JP S6077707U JP 16985083 U JP16985083 U JP 16985083U JP 16985083 U JP16985083 U JP 16985083U JP S6077707 U JPS6077707 U JP S6077707U
- Authority
- JP
- Japan
- Prior art keywords
- valve
- bearing
- combustion engine
- internal combustion
- stroke internal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
- Valve-Gear Or Valve Arrangements (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
図面は本考案の第1実施例を示すもので、第1図は本考
案装置を備えた動弁部分の平面図、第2図は、第1図■
−■線断面図、第3図は第1図■−■線断面図、第4図
はシリンダヘッドの平面図である。
C・・・・・・カッタ、H・・・・・・シリンダヘッド
、1・・・・・・燃焼室、6,7・・・・・・弁支持部
、8,9・・・・・・動弁カム軸、12,13・・・・
・・軸受部、12a、13a・・・・・・軸受半部、2
6,27・・・・・・ばね座面、32,33・・・・・
・内、外側締付ボルト、34.35・・・・・・内、外
側締付ボルト、36,37・・・・・・カッタ避は凹部
。
!The drawings show the first embodiment of the present invention. Figure 1 is a plan view of the valve train section equipped with the device of the present invention, and Figure 2 is the same as Figure 1.
3 is a cross-sectional view taken along the line ■--■ in FIG. 1, and FIG. 4 is a plan view of the cylinder head. C... Cutter, H... Cylinder head, 1... Combustion chamber, 6, 7... Valve support part, 8, 9...・Valve train camshaft, 12, 13...
...Bearing part, 12a, 13a...Bearing half part, 2
6, 27... Spring bearing surface, 32, 33...
・Inner and outer tightening bolts, 34, 35... Inner and outer tightening bolts, 36, 37... Cutter recess is recessed. !
Claims (1)
をそれぞれ設けるとともにそれらの上方にそれぞれ軸受
部を設け、前記弁支持部には吸、排気弁を摺動自在に支
承させ、また前記軸受部には、互いに平行に配列される
2本の動弁カム軸をそれぞれ回転自在に支承させてなる
DOHC型動弁機構を備えた4サイクル内燃機関におい
て、前記軸受部はシリンダヘッドと一体の軸受半部と、
その上面に前記動弁カム軸の径方向内外より2本の内、
外側締付ボルトを以て締付固定される軸受ホルダとより
構成され、前記軸受部の軸受半部の軸方向側面には、前
記弁支持部のばね座面の座ぐり加工等の機械加工を行う
ためのカッタを受容するカッタ避は凹部を形成し、かつ
前記外側締付ボルトと動弁カム軸間のピッチを、前記内
側締付ボルトと動弁カム軸間のピッチよりも大きくした
ことを特徴とするDOHC型動弁機構を備えた4サイク
ル内燃機関。The cylinder head is provided with intake and exhaust side valve support parts with the combustion chamber in between, and bearing parts are respectively provided above them, and the intake and exhaust valves are slidably supported on the valve support parts, and the In a four-stroke internal combustion engine equipped with a DOHC type valve mechanism in which the bearing part rotatably supports two valve camshafts arranged parallel to each other, the bearing part is integral with the cylinder head. a bearing half;
On the top surface of the valve camshaft, one of the two from the outside and outside in the radial direction,
It is composed of a bearing holder that is tightened and fixed using an outer tightening bolt, and the axial side surface of the bearing half of the bearing part is used for performing machining such as counterboring of the spring seat surface of the valve support part. The cutter shelter for receiving the cutter forms a recess, and the pitch between the outer tightening bolt and the valve drive camshaft is made larger than the pitch between the inner tightening bolt and the valve drive camshaft. A 4-stroke internal combustion engine equipped with a DOHC valve mechanism.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16985083U JPS6077707U (en) | 1983-11-01 | 1983-11-01 | 4-stroke internal combustion engine with DOHC valve mechanism |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16985083U JPS6077707U (en) | 1983-11-01 | 1983-11-01 | 4-stroke internal combustion engine with DOHC valve mechanism |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6077707U true JPS6077707U (en) | 1985-05-30 |
JPH0130564Y2 JPH0130564Y2 (en) | 1989-09-19 |
Family
ID=30370958
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16985083U Granted JPS6077707U (en) | 1983-11-01 | 1983-11-01 | 4-stroke internal combustion engine with DOHC valve mechanism |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6077707U (en) |
-
1983
- 1983-11-01 JP JP16985083U patent/JPS6077707U/en active Granted
Also Published As
Publication number | Publication date |
---|---|
JPH0130564Y2 (en) | 1989-09-19 |
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