JPH0240909U - - Google Patents
Info
- Publication number
- JPH0240909U JPH0240909U JP11977188U JP11977188U JPH0240909U JP H0240909 U JPH0240909 U JP H0240909U JP 11977188 U JP11977188 U JP 11977188U JP 11977188 U JP11977188 U JP 11977188U JP H0240909 U JPH0240909 U JP H0240909U
- Authority
- JP
- Japan
- Prior art keywords
- camshaft
- journal
- journal bearing
- oil
- width
- 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.)
- Pending
Links
- 230000001050 lubricating effect Effects 0.000 claims 1
Landscapes
- Valve-Gear Or Valve Arrangements (AREA)
Description
第１図ないし第３図は本考案の一実施例を示し
、第１図は第３図−線における縦断正面図、
第２図は第３図−線における縦断側面図、第
３図は平面図、また、第４図及び第５図は従来例
を示すもので、第４図は平面図、第５図は第４図
−線における縦断正面図である。
１……シリンダヘツド、２……カム軸、３……
オイル通路、４……ジエツト部、５……オイル穴
、６……カム、６′……カムノーズ、７……リフ
ターガイド、８……バルブリフター、１０……バ
ルブ、１１……カムリング、１２……ジヤーナル
軸受、１３……ジヤーナル部、１４……ジヤーナ
ル軸受下半部、１４′……最狭部、１７……噴口
、ａ……シリンダヘツド、ｂ……カム軸、ｃ……
オイル通路、ｅ……オイル穴、ｆ……ジヤーナル
部、ｇ……ジヤーナル軸受、ｉ……カム、ｊ……
バルブ、ｋ……バルブリフター、ｌ……リフター
ガイド。
1 to 3 show an embodiment of the present invention, and FIG. 1 is a longitudinal sectional front view taken along the line of FIG.
Fig. 2 is a longitudinal sectional side view taken along the line shown in Fig. 3, Fig. 3 is a plan view, and Figs. 4 and 5 show conventional examples. FIG. 4 is a longitudinal sectional front view taken along the line of FIG. 1... Cylinder head, 2... Camshaft, 3...
Oil passage, 4...Jet part, 5...Oil hole, 6...Cam, 6'...Cam nose, 7...Lifter guide, 8...Valve lifter, 10...Valve, 11...Cam ring, 12... ...Journal bearing, 13...Journal part, 14...Journal bearing lower half, 14'...Narrowest part, 17...Nozzle port, a...Cylinder head, b...Camshaft, c...
Oil passage, e...Oil hole, f...Journal part, g...Journal bearing, i...Cam, j...
Valve, k...valve lifter, l...lifter guide.
Claims (1)
イル通路を穿設されたカム軸と、カム軸に設けら
れたジヤーナル部と、ジヤーナル部に開口し前記
オイル通路に通じるオイル穴と、前記カム軸上に
形成されたカムと、リフターガイドに案内され前
記カムと係合するバルブリフター間に設けられ前
記カム軸のジヤーナル部を支持するジヤーナル軸
受とを有するとともに、前記ジヤーナル軸受の幅
は前記カム軸のまわりにおいて一様ではなく、ジ
ヤーナル軸受のシリンダヘツド側部分の少なくと
も所定の位置においては、前記ジヤーナル軸受の
幅が前記カム軸のジヤーナル部に設けられたオイ
ル穴の口径よりも小さくなつていることを特徴と
する動弁機構の潤滑装置。 A camshaft is provided with an oil passage that leads to an oil pump and leads the oil to be pumped, a journal part provided on the camshaft, an oil hole that opens in the journal part and communicates with the oil passage, and an oil hole on the camshaft. a journal bearing that is provided between a valve lifter that is guided by a lifter guide and engages with the cam and supports a journal portion of the camshaft, and the width of the journal bearing is set such that the width of the journal bearing is equal to the circumference of the camshaft. The width of the journal bearing is not uniform, and at least at a predetermined position of the cylinder head side portion of the journal bearing, the width of the journal bearing is smaller than the diameter of the oil hole provided in the journal portion of the camshaft. Lubricating device for valve train.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11977188U JPH0240909U (en) | 1988-09-14 | 1988-09-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11977188U JPH0240909U (en) | 1988-09-14 | 1988-09-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0240909U true JPH0240909U (en) | 1990-03-20 |
Family
ID=31365290
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11977188U Pending JPH0240909U (en) | 1988-09-14 | 1988-09-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0240909U (en) |
-
1988
- 1988-09-14 JP JP11977188U patent/JPH0240909U/ja active Pending