JPS6446560U - - Google Patents
Info
- Publication number
- JPS6446560U JPS6446560U JP14225887U JP14225887U JPS6446560U JP S6446560 U JPS6446560 U JP S6446560U JP 14225887 U JP14225887 U JP 14225887U JP 14225887 U JP14225887 U JP 14225887U JP S6446560 U JPS6446560 U JP S6446560U
- Authority
- JP
- Japan
- Prior art keywords
- small diameter
- diameter end
- hole
- main hole
- tapered
- 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
- 230000002093 peripheral effect Effects 0.000 claims 2
- 229910000831 Steel Inorganic materials 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 claims 1
- 239000010959 steel Substances 0.000 claims 1
- 238000000034 method Methods 0.000 description 2
- 238000004080 punching Methods 0.000 description 1
Landscapes
- Control Of Transmission Device (AREA)
Description
第１図は本考案を適用したセパレートプレート
の部分拡大断面図、第２図は孔打抜き工程を示す
部分拡大断面図、第３図はコイニング工程を示す
部分拡大断面図、第４図はセパレートプレート及
び制御バルブの分解斜視図、第５図は従来例の部
分拡大断面図である。３……セパレートプレート
、４……油圧回路、８……通路孔、９……チエツ
クボール、１０……主孔部、１１……テーパー部
。
Fig. 1 is a partially enlarged sectional view of a separate plate to which the present invention is applied, Fig. 2 is a partially enlarged sectional view showing the hole punching process, Fig. 3 is a partially enlarged sectional view showing the coining process, and Fig. 4 is a separate plate and an exploded perspective view of a control valve, and FIG. 5 is a partially enlarged sectional view of a conventional example. 3... Separate plate, 4... Hydraulic circuit, 8... Passage hole, 9... Check ball, 10... Main hole portion, 11... Taper portion.
Claims (1)
バルブボデイ部材間に挾持され、バルブボデイ部
材の油圧回路の制御通路となる多数の通路孔を有
する鋼製のセパレートプレートにおいて、上記通
路孔の内、チユツクボールを配置する通路孔は、
円筒状主孔部とこれに連続するチエツクボール着
座用テーパー部とを有し、上記主孔部の周壁は、
テーパー部側とは反対側からテーパー部小径端部
に向い次第に高密度となるように湾曲状に延びる
縞状組織を有し、テーパー部の周壁はテーパー部
大径側から小径端部に向い次第に高密度となるよ
うに湾曲する縞条組織を有し、上記小径端部をテ
ーパー部の最も高硬度部分としたことを特徴とす
るセパレートプレートの通路孔構造。 In a steel separate plate which is sandwiched between valve body members of an automatic transmission for an automobile and has a number of passage holes that serve as control passages for a hydraulic circuit of the valve body members, among the passage holes, a passage hole in which a brake ball is disposed is provided. teeth,
It has a cylindrical main hole and a check ball seating taper continuous to the cylindrical main hole, and the peripheral wall of the main hole is
It has a striped structure that extends in a curved manner from the opposite side to the tapered part side toward the small diameter end of the tapered part, and the peripheral wall of the tapered part gradually increases in density from the large diameter side of the taper part toward the small diameter end. 1. A passage hole structure of a separate plate, characterized in that the structure has a striped structure that curves to have a high density, and the small diameter end portion is the hardest part of the tapered portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14225887U JPS6446560U (en) | 1987-09-16 | 1987-09-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14225887U JPS6446560U (en) | 1987-09-16 | 1987-09-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6446560U true JPS6446560U (en) | 1989-03-22 |
Family
ID=31408055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14225887U Pending JPS6446560U (en) | 1987-09-16 | 1987-09-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6446560U (en) |
-
1987
- 1987-09-16 JP JP14225887U patent/JPS6446560U/ja active Pending
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