JPH0351111U - - Google Patents
Info
- Publication number
- JPH0351111U JPH0351111U JP11185089U JP11185089U JPH0351111U JP H0351111 U JPH0351111 U JP H0351111U JP 11185089 U JP11185089 U JP 11185089U JP 11185089 U JP11185089 U JP 11185089U JP H0351111 U JPH0351111 U JP H0351111U
- Authority
- JP
- Japan
- Prior art keywords
- cylinder hole
- cover body
- cylinder
- cylinder portion
- axis
- 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
Description
第１図〜第３図は本考案の一実施例を示し、第
１図は要部の断面図、第２図は第１図の−線
にそう断面図、第３図はフロントケースの断面図
である。第４図は本考案の他の実施例を示し、フ
ロントケースの主要部の斜視図である。第５図は
本考案のさらに他の実施例を示し、要部の断面図
である。第６図、第７図はそれぞれ別の従来装置
の断面図である。第８図は従来装置の主要部の断
面図である。第９図は本考案の他の実施例を示し
、第１図相当図である。
図中、１……フロントケース本体（カバー本体
）、４……シリンダ部、４０……シリンダ孔、５
，６……リリーフ孔、７……弁体、８……バネ部
材を示す。
Figures 1 to 3 show an embodiment of the present invention, with Figure 1 being a sectional view of the main parts, Figure 2 being a sectional view taken along the - line in Figure 1, and Figure 3 being a sectional view of the front case. It is a diagram. FIG. 4 shows another embodiment of the present invention, and is a perspective view of the main part of the front case. FIG. 5 shows still another embodiment of the present invention, and is a sectional view of the main part. FIGS. 6 and 7 are sectional views of different conventional devices. FIG. 8 is a sectional view of the main parts of the conventional device. FIG. 9 shows another embodiment of the present invention and is a diagram corresponding to FIG. 1. In the figure, 1...Front case body (cover body), 4...Cylinder part, 40...Cylinder hole, 5
, 6... Relief hole, 7... Valve body, 8... Spring member.
Claims (1)
に形成され、オイルポンプのポンプ室に連通する
シリンダ孔を内周面で区画するシリンダ部と、 前記シリンダ孔にこれの軸芯にそつて移動自在
に装備されオイルポンプからのオイルの圧力に応
じて前記シリンダ孔内を移動する弁体と、 前記弁体を閉じる方向へ付勢するバネ部材とで
構成され、 前記シリンダ部は、前記シリンダ孔の内部と外
部とを連通するように前記シリンダ部の壁を貫通
するとともに前記シリンダ孔の軸芯の両側におい
て互いに対面する域に前記カバー本体の面方向と
交わる方向にドリルを相対移動させてドリル加工
で形成された少なくとも２個のリリーフ孔をもち
、 各前記リリーフ孔の軸芯は非同軸的配置であり
互いに偏芯して設定されていることを特徴とする
うリリーフバルブ内蔵式カバー。[Claims for Utility Model Registration] A cover body attached to a base body, and a cylinder hole formed integrally with the cover body extending in the surface direction of the cover body and communicating with a pump chamber of an oil pump on an inner peripheral surface thereof. a cylinder portion that divides the cylinder portion; a valve body that is movably mounted in the cylinder hole along its axis and that moves within the cylinder hole in response to oil pressure from an oil pump; and a biasing spring member, wherein the cylinder portion penetrates a wall of the cylinder portion so as to communicate between the inside and outside of the cylinder hole, and has areas facing each other on both sides of the axis of the cylinder hole. has at least two relief holes formed by drilling by relatively moving a drill in a direction intersecting the surface direction of the cover body, and the axes of each of the relief holes are arranged non-coaxially and eccentrically from each other. A cover with a built-in relief valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11185089U JPH0351111U (en) | 1989-09-25 | 1989-09-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11185089U JPH0351111U (en) | 1989-09-25 | 1989-09-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0351111U true JPH0351111U (en) | 1991-05-17 |
Family
ID=31660314
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11185089U Pending JPH0351111U (en) | 1989-09-25 | 1989-09-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0351111U (en) |
-
1989
- 1989-09-25 JP JP11185089U patent/JPH0351111U/ja active Pending
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