JPH0176368U - - Google Patents
Info
- Publication number
- JPH0176368U JPH0176368U JP1987171689U JP17168987U JPH0176368U JP H0176368 U JPH0176368 U JP H0176368U JP 1987171689 U JP1987171689 U JP 1987171689U JP 17168987 U JP17168987 U JP 17168987U JP H0176368 U JPH0176368 U JP H0176368U
- Authority
- JP
- Japan
- Prior art keywords
- port
- view
- power steering
- relief
- relief valve
- 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
- 238000010586 diagram Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
Landscapes
- Guiding Agricultural Machines (AREA)
- Transplanting Machines (AREA)
- Safety Valves (AREA)
Description
図面は、本考案に係る油圧式パワーステアリン
グのリリーフ弁構造の実施例を示したものであつ
て、第１図は乗用型田植機の走行機体の概略側面
図、第２図はパワーステアリング部の要部左側面
図、第３図は同上要部右側面図、第４図は同上要
部平面図、第５図Ａ，Ｂはポートブロツクの一部
切欠き正面図、側面図、第６図は油圧回路図、第
７図は機体フレームの縦断面図、第８図はトラン
スミツシヨンケースの半ケースを取り除いた状態
を示す側面図、第９図は第８図のＡ―Ａ断面図、
第１０図はパワーステアリング部の要部背面図で
ある。
図中、２はステアリングシヤフト、３はトルク
ジエネレータ、１０はプレツシヤパイプ、１１は
リリーフパイプ、１２はポートブロツク、１２ａ
はプレツシヤポート、１２ｂはリリーフポート、
１２ｃは弁座、１４は弁体である。
The drawings show an embodiment of the relief valve structure of the hydraulic power steering according to the present invention, in which Fig. 1 is a schematic side view of the traveling body of a riding rice transplanter, and Fig. 2 is a diagram of the power steering section. Figure 3 is a left side view of the main part, Figure 3 is a right side view of the main part, Figure 4 is a plan view of the main part, Figures 5A and B are a partially cutaway front view and side view of the port block, and Figure 6 is a front view of the port block. is a hydraulic circuit diagram, FIG. 7 is a vertical sectional view of the fuselage frame, FIG. 8 is a side view showing the transmission case with half the case removed, FIG. 9 is a sectional view taken along line AA in FIG. 8,
FIG. 10 is a rear view of the main parts of the power steering section. In the figure, 2 is a steering shaft, 3 is a torque generator, 10 is a pressure pipe, 11 is a relief pipe, 12 is a port block, 12a
is pressure port, 12b is relief port,
12c is a valve seat, and 14 is a valve body.
補正 昭６３．１１．２８
考案の名称を次のように補正する。
考案の名称 油圧式パワーステアリングのリ
リーフ弁構造
実用新案登録請求の範囲、図面の簡単な説明を
次のように補正する。Amendment November 28, 1981 The name of the invention is amended as follows. Title of invention Relief valve structure for hydraulic power steering The scope of the utility model registration claim and the brief description of the drawings are amended as follows.
【実用新案登録請求の範囲】
(1) ステアリングシヤフトを入力軸とする油圧
式パワーステアリングのシヤフト部に設けられる
油圧作動部に、プレツシヤパイプ、リターンパイ
プをそれぞれ接続するためのポートブロツクを取
付けると共に、該ポートブロツクには、プレツシ
ヤポートとリターンポートとの間に弁座を有した
リリーフ弁が形成されていることを特徴とする油
圧式パワーステアリングのリリーフ弁構造。
(2) 前記リリーフ弁は、弁体のガイドをするガ
イド部が弁座に対してプレツシヤポートを介した
外側に形成されていることを特徴とする実用新案
登録請求の範囲第１項記載の油圧式パワーステア
リングのリリーフ弁構造。[Scope of Claim for Utility Model Registration] (1) Attaching a port block for connecting a pressure pipe and a return pipe to a hydraulic actuating part provided in the shaft part of a hydraulic power steering system whose input shaft is a steering shaft, and A relief valve structure for hydraulic power steering, characterized in that a relief valve having a valve seat is formed in a port block between a pressure port and a return port. (2) The relief valve is a hydraulic type according to claim 1, wherein the guide portion for guiding the valve body is formed on the outside of the valve seat via the pressure port. Power steering relief valve structure.
【図面の簡単な説明】
図面は、本考案に係る油圧式パワーステアリン
グのリリーフ弁構造の実施例を示したものであつ
て、第１図は乗用型田植機の走行機体の概略側面
図、第２図はパワーステアリング部の要部左側面
図、第３図は同上要部右側面図、第４図は同上要
部平面図、第５図Ａ，Ｂはポートブロツクの一部
切欠き正面図、側面図、第６図は油圧回路図、第
７図は機体フレームの縦断面図、第８図はトラン
スミツシヨンケースの半ケースを取り除いた状態
を示す側面図、第９図は第８図のＡ―Ａ断面図、
第１０図はパワーステアリング部の要部背面図で
ある。
図中、２はステアリングシヤフト、３はトルク
ジエネレータ、１０はプレツシヤパイプ、１１は
リターンパイプ、１２はポートブロツク、１２ａ
はプレツシヤポート、１２ｂはリターンポート、
１２ｃは弁座、１４は弁体である。[Brief Description of the Drawings] The drawings show an embodiment of the relief valve structure of the hydraulic power steering according to the present invention. Figure 2 is a left side view of the main part of the power steering section, Figure 3 is a right side view of the main part of the same as above, Figure 4 is a plan view of the main part of the same as above, and Figures 5A and B are partially cutaway front views of the port block. , side view, Fig. 6 is a hydraulic circuit diagram, Fig. 7 is a vertical sectional view of the fuselage frame, Fig. 8 is a side view showing the transmission case half removed, Fig. 9 is Fig. 8 A-A sectional view of
FIG. 10 is a rear view of the main parts of the power steering section. In the figure, 2 is a steering shaft, 3 is a torque generator, 10 is a pressure pipe, 11 is a return pipe, 12 is a port block, 12a
is pressure port, 12b is return port,
12c is a valve seat, and 14 is a valve body.
Claims (1)
式パワーステアリングのシヤフト部に設けられる
油圧作動部に、プレツシヤパイプ、リリーフパイ
プをそれぞれ接続するためのポートブロツクを取
付けると共に、該ポートブロツクには、プレツシ
ヤポートとリリーフポートとの間に弁座を有した
リリーフ弁が形成されていることを特徴とする油
圧式パワーステアリングのリリーフ弁構造。 (2) 前記リリーフ弁は、弁体のガイドをするガ
イド部が弁座に対してプレツシヤポートを介した
外側に形成されていることを特徴とする実用新案
登録請求の範囲第１項記載の油圧式パワーステア
リングのリリーフ弁構造。[Scope of Claim for Utility Model Registration] (1) Attaching a port block for connecting a pressure pipe and a relief pipe to a hydraulic actuating part provided in the shaft part of a hydraulic power steering system whose input shaft is a steering shaft, and A relief valve structure for hydraulic power steering, characterized in that a port block is formed with a relief valve having a valve seat between a pressure port and a relief port. (2) The relief valve is a hydraulic type according to claim 1, wherein the guide portion for guiding the valve body is formed on the outside of the valve seat via the pressure port. Power steering relief valve structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987171689U JPH076062Y2 (en) | 1987-11-10 | 1987-11-10 | Hydraulic power steering relief valve structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987171689U JPH076062Y2 (en) | 1987-11-10 | 1987-11-10 | Hydraulic power steering relief valve structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0176368U true JPH0176368U (en) | 1989-05-23 |
| JPH076062Y2 JPH076062Y2 (en) | 1995-02-15 |
Family
ID=31463703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987171689U Expired - Lifetime JPH076062Y2 (en) | 1987-11-10 | 1987-11-10 | Hydraulic power steering relief valve structure |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH076062Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003002221A (en) * | 2001-06-20 | 2003-01-08 | Yanmar Agricult Equip Co Ltd | Farm work machine |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5724176U (en) * | 1980-07-16 | 1982-02-08 | ||
| JPS5820709U (en) * | 1981-07-31 | 1983-02-08 | 株式会社クボタ | Valve structure in agricultural tractors |
| JPS6246788A (en) * | 1985-08-23 | 1987-02-28 | 本田技研工業株式会社 | Oil path structure of power steering gear |
-
1987
- 1987-11-10 JP JP1987171689U patent/JPH076062Y2/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5724176U (en) * | 1980-07-16 | 1982-02-08 | ||
| JPS5820709U (en) * | 1981-07-31 | 1983-02-08 | 株式会社クボタ | Valve structure in agricultural tractors |
| JPS6246788A (en) * | 1985-08-23 | 1987-02-28 | 本田技研工業株式会社 | Oil path structure of power steering gear |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003002221A (en) * | 2001-06-20 | 2003-01-08 | Yanmar Agricult Equip Co Ltd | Farm work machine |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH076062Y2 (en) | 1995-02-15 |
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