JPH0444412U - - Google Patents
Info
- Publication number
- JPH0444412U JPH0444412U JP8543090U JP8543090U JPH0444412U JP H0444412 U JPH0444412 U JP H0444412U JP 8543090 U JP8543090 U JP 8543090U JP 8543090 U JP8543090 U JP 8543090U JP H0444412 U JPH0444412 U JP H0444412U
- Authority
- JP
- Japan
- Prior art keywords
- oil
- passage
- internal combustion
- combustion engine
- lubricating oil
- 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
- 239000003921 oil Substances 0.000 claims description 15
- 238000002485 combustion reaction Methods 0.000 claims description 13
- 239000010687 lubricating oil Substances 0.000 claims description 13
- 230000000630 rising effect Effects 0.000 claims description 5
- 239000003566 sealing material Substances 0.000 description 1
Description
第１〜４図はこの考案の実施例を示し、第１図
は第３図の矢視部分の要部拡大断面図、第２図
は第１図の拡大右側面図、第３図は内燃機関の潤
滑油路構造の概略側面図、第４図は内燃機関の潤
滑油路構造の概略正面図である。第５〜１０図は
従来の内燃機関の潤滑油路構造の３態様を示し、
第５図は第１の態様の内燃機関の潤滑油路構造の
概略側面図、第６図は第５図の矢視部分の要部
拡大断面図、第７図は内燃機関の潤滑油路構造の
概略正面図、第８図は第２の態様の内燃機関の潤
滑油路構造の概略側面図、第９図は内燃機関の潤
滑油路構造の概略正面図、第１０図は第３の態様
の油圧式ラツシユアジヤスタを備えた内燃機関の
潤滑油路構造の概略側面図である。
図において、２は内燃機関、４はシリンダブロ
ツク、６はシリンダヘツド、８はカム軸、１０は
ロツカアーム軸、１２はシリンダヘツドカバー、
１４はシール材、１６はカムキヤツプ、１８はカ
ム、２０はロツカアーム、２０ａはスリツパ部、
２２はブロツク側オイル通路、２４はオイル上が
り通路、２６はオイルジエツト、２８は主オイル
通路、３０は絞り部、３２，３４は盲栓、３６は
ジヤーナル部、３８はオイル分配通路、４０はロ
ツカアーム軸オイル孔である。
Figures 1 to 4 show an embodiment of this invention. Figure 1 is an enlarged sectional view of the main part in the direction of the arrow in Figure 3, Figure 2 is an enlarged right side view of Figure 1, and Figure 3 is an internal combustion engine. FIG. 4 is a schematic side view of the lubricating oil passage structure of the engine, and FIG. 4 is a schematic front view of the lubricating oil passage structure of the internal combustion engine. Figures 5 to 10 show three aspects of the lubricating oil passage structure of a conventional internal combustion engine,
Fig. 5 is a schematic side view of the lubricating oil passage structure of the internal combustion engine of the first embodiment, Fig. 6 is an enlarged cross-sectional view of the main part of the part taken in the direction of the arrow in Fig. 5, and Fig. 7 is the lubricating oil passage structure of the internal combustion engine. 8 is a schematic side view of the lubricating oil passage structure of an internal combustion engine according to the second embodiment, FIG. 9 is a schematic front view of the lubricating oil passage structure of the internal combustion engine, and FIG. 10 is a schematic side view of the lubricating oil passage structure of the internal combustion engine according to the third embodiment. FIG. 2 is a schematic side view of a lubricating oil passage structure of an internal combustion engine equipped with a hydraulic lash adjuster. In the figure, 2 is an internal combustion engine, 4 is a cylinder block, 6 is a cylinder head, 8 is a camshaft, 10 is a rocker arm shaft, 12 is a cylinder head cover,
14 is a sealing material, 16 is a cam cap, 18 is a cam, 20 is a rocker arm, 20a is a slipper part,
22 is the block side oil passage, 24 is the oil rising passage, 26 is the oil jet, 28 is the main oil passage, 30 is the throttle part, 32, 34 are the blind plugs, 36 is the journal part, 38 is the oil distribution passage, 40 is the rocker arm shaft It is an oil hole.
Claims (1)
導入すべくシリンダヘツドに形成したオイル上が
り通路とこのオイル上がり通路に連絡し前記シリ
ンダヘツドに保持させたカム軸の軸方向に指向す
る主オイル通路と、潤滑油をこの主オイル通路か
ら前記カム軸の各部位に導く複数のオイル分配通
路とを有する内燃機関の潤滑油路構造において、
前記オイル上がり通路を主オイル通路内に侵入さ
せ該主オイル通路の内周面とこの内周面に接触す
るオイル上がり通路の出口端部位とにより絞り部
を構成したことを特徴とする内燃機関の潤滑油路
構造。 an oil rising passage formed in the cylinder head to introduce lubricating oil from the cylinder block side of the internal combustion engine; and a main oil passage communicating with the oil rising passage and oriented in the axial direction of a camshaft held by the cylinder head; A lubricating oil passage structure for an internal combustion engine having a plurality of oil distribution passages that guide lubricating oil from the main oil passage to each part of the camshaft,
An internal combustion engine characterized in that the oil rising passage enters into a main oil passage, and a throttle portion is formed by an inner circumferential surface of the main oil passage and an outlet end portion of the oil rising passage that contacts this inner circumferential surface. Lubricating oil path structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990085430U JP2534156Y2 (en) | 1990-08-14 | 1990-08-14 | Lubricating oil passage structure of internal combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990085430U JP2534156Y2 (en) | 1990-08-14 | 1990-08-14 | Lubricating oil passage structure of internal combustion engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0444412U true JPH0444412U (en) | 1992-04-15 |
| JP2534156Y2 JP2534156Y2 (en) | 1997-04-30 |
Family
ID=31816696
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990085430U Expired - Lifetime JP2534156Y2 (en) | 1990-08-14 | 1990-08-14 | Lubricating oil passage structure of internal combustion engine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2534156Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61167406U (en) * | 1985-04-05 | 1986-10-17 |
-
1990
- 1990-08-14 JP JP1990085430U patent/JP2534156Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61167406U (en) * | 1985-04-05 | 1986-10-17 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2534156Y2 (en) | 1997-04-30 |
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