JPH01144576U - - Google Patents
Info
- Publication number
- JPH01144576U JPH01144576U JP4045688U JP4045688U JPH01144576U JP H01144576 U JPH01144576 U JP H01144576U JP 4045688 U JP4045688 U JP 4045688U JP 4045688 U JP4045688 U JP 4045688U JP H01144576 U JPH01144576 U JP H01144576U
- Authority
- JP
- Japan
- Prior art keywords
- valve body
- hydraulic pressure
- cavity
- inner diameter
- spring force
- 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 1
- 238000010586 diagram Methods 0.000 description 1
Description
第１図は本考案のリリーフバルブをエンジンブ
ロツクに取付けた状態を示す断面図、第２図は第
１図のＡ―Ａ断面図、第３図は従来の直動形オイ
ルリリーフバルブをエンジンブロツクに取付けた
状態を示す断面図、第４図は本考案と従来例とに
よるオイルポンプの回転数に対する油圧制御の状
態を示す比較図である。
図の主要部分の説明、６…リリーフ孔、１１…
バルブ本体、１１ａ…摺動溝、１２…弁体、１２
ａ…ピン。
Figure 1 is a sectional view showing the relief valve of the present invention installed on an engine block, Figure 2 is a sectional view taken along line AA in Figure 1, and Figure 3 is a conventional direct acting oil relief valve installed on an engine block. FIG. 4 is a cross-sectional view showing the state in which the oil pump is installed, and FIG. 4 is a comparison diagram showing the state of hydraulic control with respect to the rotational speed of the oil pump according to the present invention and the conventional example. Explanation of main parts of the figure, 6... Relief hole, 11...
Valve body, 11a...Sliding groove, 12...Valve body, 12
a...Pin.
Claims (1)
て、油圧力とスプリング力を弁体を介して平衡さ
せ、油圧が設定圧を超えたとき前記弁体がスプリ
ング力に抗して移動することにより、リリーフ孔
から油圧の一部を外部に逃がし、油圧を設定圧以
下に制御するオイルリリーフバルブにおいて、上
記腔部の内径を一律に形成すると共に、同内径面
に弁体の移動範囲に亙り軸方向に平行する２以上
の摺動溝を形成し、上記弁体の外周面に前記各摺
動溝に嵌合して摺動可能な突設部材を設けること
を特徴とするオイルリリーフバルブ。 In the cavity of the valve body that communicates with the hydraulic pressure generation source, the hydraulic pressure and spring force are balanced through a valve body, and when the hydraulic pressure exceeds a set pressure, the valve body moves against the spring force. In an oil relief valve that releases a part of hydraulic pressure to the outside from a relief hole and controls the hydraulic pressure below a set pressure, the inner diameter of the cavity is uniform, and a shaft is formed on the same inner diameter surface over the movement range of the valve body. An oil relief valve characterized in that two or more sliding grooves are formed parallel to each other, and a protruding member that is slidable by fitting into each of the sliding grooves is provided on the outer peripheral surface of the valve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4045688U JPH01144576U (en) | 1988-03-29 | 1988-03-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4045688U JPH01144576U (en) | 1988-03-29 | 1988-03-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01144576U true JPH01144576U (en) | 1989-10-04 |
Family
ID=31266926
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4045688U Pending JPH01144576U (en) | 1988-03-29 | 1988-03-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01144576U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014145478A (en) * | 2013-01-07 | 2014-08-14 | Eagle Industry Co Ltd | Relief valve |
| WO2015045442A1 (en) * | 2013-09-25 | 2015-04-02 | アイシン精機株式会社 | Oil pump device and relief valve |
-
1988
- 1988-03-29 JP JP4045688U patent/JPH01144576U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014145478A (en) * | 2013-01-07 | 2014-08-14 | Eagle Industry Co Ltd | Relief valve |
| WO2015045442A1 (en) * | 2013-09-25 | 2015-04-02 | アイシン精機株式会社 | Oil pump device and relief valve |