JPS6143908U - Internal combustion engine valve train structure - Google Patents
Internal combustion engine valve train structureInfo
- Publication number
- JPS6143908U JPS6143908U JP12850384U JP12850384U JPS6143908U JP S6143908 U JPS6143908 U JP S6143908U JP 12850384 U JP12850384 U JP 12850384U JP 12850384 U JP12850384 U JP 12850384U JP S6143908 U JPS6143908 U JP S6143908U
- Authority
- JP
- Japan
- Prior art keywords
- valve
- lifter
- spring
- combustion engine
- internal combustion
- 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
Landscapes
- Valve-Gear Or Valve Arrangements (AREA)
- Valve Device For Special Equipments (AREA)
- Output Control And Ontrol Of Special Type Engine (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
第１図〜第５図は本考案の第１実施例を示し、第１図ａ
はバルブを停止させた場合出とおいてリフタが下降した
状態を示す断面図、第１図ｂは第１図ａと同様な場合に
おいてリフタが上昇した状態を示す断面図、第２図はバ
ルブを開閉駆動する場合を示す断面図、第３図はストツ
パを示す斜視図、第４図はカムを示す側面図、第５図は
バルブステムおよびその頂部を示す分解図、第６図〜第
８図は本考氷の第２実施例を示し、第６図はバルブを停
止させる場合を示す断面図、第７図はバルブを開閉駆動
する場合を示す断面図、第８図はりフタとストツパを分
解して示す斜視図である。
１・・・・・・バルブ、４・・・・・・ポート、６・・
・・・・バルブステム、７，４０・・・・・・リフタ、
８・・・・・・カム、１１，５５・・・・・・バルブス
プリング、１２．５６・・・・・・支持スプリング、１
６，４１・・・・・・ストツパ、１７，６０・・・・・
・係止部、２３，４４・・・・・・穴。1 to 5 show a first embodiment of the present invention, and FIG.
1 is a sectional view showing the lifter in a lowered state when the valve is stopped; FIG. 1b is a sectional view showing the lifter in a raised state in the same case as in FIG. 1a; and FIG. 3 is a perspective view showing the stopper, FIG. 4 is a side view showing the cam, FIG. 5 is an exploded view showing the valve stem and its top, and FIGS. 6 to 8 Figure 6 shows the second embodiment of the present invention, Figure 6 is a cross-sectional view showing the case where the valve is stopped, Figure 7 is a cross-sectional view showing the case where the valve is opened and closed, and Figure 8 is an exploded view of the beam cover and stopper. FIG. 1... Valve, 4... Port, 6...
... Valve stem, 7,40... Lifter,
8...Cam, 11,55...Valve spring, 12.56...Support spring, 1
6,41...stoppa, 17,60...
- Locking part, 23, 44... hole.
Claims (1)
を形成されたバルブステムを有するバルブと、上記バル
ブステムが挿通し、上記係止部が係止するテーパ面を有
する穴を形成されたりフタと、このリフタに支持され、
一上記係止部が上記穴のテーパ面に係止する位置にバル
ブステムを上記リフタに固定可能なストツパと、このス
トツパを、バルブステムを上記リフタに固定する位置お
よび解放する位置に選択的に変位させる手段と、、上記
リフタを介して上記バルブをポートを閉塞す，る方向に
付勢するバルブスプリングと、このバルブスプリングと
並列に設けられるとともにこのバルブスプリングよりも
弱いばね力を有し、上記バルブをポートを閉塞する方向
に直接付勢する支持スプリングとを備えることを特徴と
する内燃機関の動弁系構造。A valve having a cam, a valve stem driven by the cam to open and close a port and formed with a locking portion, and a hole having a tapered surface into which the valve stem is inserted and the locking portion locks. The lid is supported by this lifter,
(1) a stopper capable of fixing the valve stem to the lifter at a position where the locking portion engages with the tapered surface of the hole; and a stopper which is selectively configured to fix the valve stem to the lifter and to a position where the valve stem is released; a valve spring that biases the valve in a direction to close the port via the lifter; and a valve spring provided in parallel with the valve spring and having a weaker spring force than the valve spring; A valve train structure for an internal combustion engine, comprising a support spring that directly biases the valve in a direction to close a port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12850384U JPS6143908U (en) | 1984-08-27 | 1984-08-27 | Internal combustion engine valve train structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12850384U JPS6143908U (en) | 1984-08-27 | 1984-08-27 | Internal combustion engine valve train structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6143908U true JPS6143908U (en) | 1986-03-22 |
Family
ID=30687131
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12850384U Pending JPS6143908U (en) | 1984-08-27 | 1984-08-27 | Internal combustion engine valve train structure |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6143908U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56162771U (en) * | 1979-12-28 | 1981-12-03 |
-
1984
- 1984-08-27 JP JP12850384U patent/JPS6143908U/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56162771U (en) * | 1979-12-28 | 1981-12-03 | ||
| JPS6143908Y2 (en) * | 1979-12-28 | 1986-12-11 |
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