JPH02110212U - - Google Patents
Info
- Publication number
- JPH02110212U JPH02110212U JP1892789U JP1892789U JPH02110212U JP H02110212 U JPH02110212 U JP H02110212U JP 1892789 U JP1892789 U JP 1892789U JP 1892789 U JP1892789 U JP 1892789U JP H02110212 U JPH02110212 U JP H02110212U
- Authority
- JP
- Japan
- Prior art keywords
- spring retainer
- valve spring
- valve
- stepped portion
- retainer
- 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
- 229910001285 shape-memory alloy Inorganic materials 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims 1
Landscapes
- Lift Valve (AREA)
- Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)
Description
第1図は、本実施例のバルブスプリングリテー
ナとバルブステムとの組付け断面図、第2図aは
第1図に示すバルブスプリングリテーナの正面図
、第2図bは同上の底面図、第3図a,b,cは
従来例によるバルブスプリングリテーナとリテー
ナロツクとバルブステムとの組付け構造の各種の
型式の要部を示すもので、aはバルブステムに刻
設されたリテーナロツクの係止溝が角形のもの、
bは丸形のもの、cはテーパ状のものを示す。第
4図はバルブスプリングリテーナの取付構造の従
来例の一例を示す断面図である。
1……バルブステム、2……リテーナロツク、
3……バルブスプリングリテーナ、5……形状記
憶合金製リング、6……割溝、8……段付部。
FIG. 1 is an assembled sectional view of the valve spring retainer and valve stem of this embodiment, FIG. 2a is a front view of the valve spring retainer shown in FIG. 1, FIG. 2b is a bottom view of the same, and FIG. Figures 3a, b, and c show the main parts of various types of conventional valve spring retainer, retainer lock, and valve stem assembly structures, and a shows the locking groove of the retainer lock carved in the valve stem. is square,
b indicates a round shape, and c indicates a tapered shape. FIG. 4 is a sectional view showing an example of a conventional valve spring retainer mounting structure. 1... Valve stem, 2... Retainer lock,
3... Valve spring retainer, 5... Shape memory alloy ring, 6... Division groove, 8... Stepped portion.
Claims (1)
て、バルブステム側に互いに逆方向のテーパ形状
の段付部を形成し、該段付部に前記段付部テーパ
と同じ形状の内周形状を有し少くとも1つの割溝
を有するバルブスプリングリテーナを嵌合し、前
記バルブスプリングリテーナの外側に該バルブス
プリングリテーナをバルブステムに締め付ける力
を発生させる形状記憶合金製リングを環装したこ
とを特徴とするエンジンのバルブスプリングリテ
ーナ。 In a retainer that is directly engaged with a valve stem, a stepped portion tapered in opposite directions is formed on the valve stem side, and the stepped portion has an inner peripheral shape that is the same shape as the stepped portion taper, and has a smaller diameter. An engine characterized in that a valve spring retainer having one split groove is fitted into the valve spring retainer, and a shape memory alloy ring is fitted on the outside of the valve spring retainer to generate a force for tightening the valve spring retainer to the valve stem. valve spring retainer.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1989018927U JPH0649841Y2 (en) | 1989-02-22 | 1989-02-22 | Valve spring retainer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1989018927U JPH0649841Y2 (en) | 1989-02-22 | 1989-02-22 | Valve spring retainer |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH02110212U true JPH02110212U (en) | 1990-09-04 |
JPH0649841Y2 JPH0649841Y2 (en) | 1994-12-14 |
Family
ID=31233998
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1989018927U Expired - Lifetime JPH0649841Y2 (en) | 1989-02-22 | 1989-02-22 | Valve spring retainer |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0649841Y2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007009921A (en) * | 2005-06-30 | 2007-01-18 | Muhr & Bender Kg | Valve spring retainer with two supporting tongue pieces |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59135309U (en) * | 1983-03-01 | 1984-09-10 | 富士重工業株式会社 | Internal combustion engine valve spring support structure |
JPS608405U (en) * | 1983-06-30 | 1985-01-21 | トヨタ自動車株式会社 | valve train |
JPS62179309U (en) * | 1986-05-02 | 1987-11-14 |
-
1989
- 1989-02-22 JP JP1989018927U patent/JPH0649841Y2/en not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59135309U (en) * | 1983-03-01 | 1984-09-10 | 富士重工業株式会社 | Internal combustion engine valve spring support structure |
JPS608405U (en) * | 1983-06-30 | 1985-01-21 | トヨタ自動車株式会社 | valve train |
JPS62179309U (en) * | 1986-05-02 | 1987-11-14 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007009921A (en) * | 2005-06-30 | 2007-01-18 | Muhr & Bender Kg | Valve spring retainer with two supporting tongue pieces |
Also Published As
Publication number | Publication date |
---|---|
JPH0649841Y2 (en) | 1994-12-14 |