JPH01118167U - - Google Patents
Info
- Publication number
- JPH01118167U JPH01118167U JP1253288U JP1253288U JPH01118167U JP H01118167 U JPH01118167 U JP H01118167U JP 1253288 U JP1253288 U JP 1253288U JP 1253288 U JP1253288 U JP 1253288U JP H01118167 U JPH01118167 U JP H01118167U
- Authority
- JP
- Japan
- Prior art keywords
- valve plate
- view
- hydraulic pump
- drain groove
- land
- 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
- 239000012530 fluid Substances 0.000 claims 1
- 238000005461 lubrication Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
- 239000010687 lubricating oil Substances 0.000 description 3
- AZBAQHIVVLQMFX-UHFFFAOYSA-N 4-(2,4-dimethylphenyl)-5-methyl-1,3-thiazol-2-amine Chemical group S1C(N)=NC(C=2C(=CC(C)=CC=2)C)=C1C AZBAQHIVVLQMFX-UHFFFAOYSA-N 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
Landscapes
- Reciprocating Pumps (AREA)
- Hydraulic Motors (AREA)
Description
第１図は本考案の一実施例の構成品であるバル
ブプレートに係る図でａはその平面図、ｂはａの
ｂ―ｂ矢視断面図、ｃは上記バルブプレートを用
いた際のシリンダバレルとの摺動面の潤滑油の圧
力分布図、ｄは上記ｃの圧力分布に対応した潤滑
油の流れ図、第２図は上記第１図に示すバルブプ
レートを用いた一実施例の図でａは縦断面図、ｂ
はａのｂ―ｂ矢視図、ｃはａのｃ―ｃ断面図、ｄ
はａのｄ―ｄ断面図、第３図は従来例の図でａは
縦断面図、ｂはａのｂ―ｂ矢視図、ｃはａのｃ―
ｃ断面図、ｄはａのｄ―ｄ断面図、第４図は第３
図に示す従来例のバルブプレートに係る図でａは
その平面図、ｂはａのｂ―ｂ矢視図、ｃはａ，ｂ
に示すバルブプレートとシリンダバルブとの摺動
面の潤滑油の圧力分布図である。
１０９…バルブプレート、１０９ａ…まゆ形ポ
ート、１０９ｂ…シールランド、１０９ｃ…シー
ルランド、１０９ｄ…補助ランド、１０９ｅ…ド
レーン溝、１０９ｆ…オリフイス、２０１…シヤ
フト、２０２…オイルシール、２０３…シールボ
ツクス、２０４…フロントプレート、２０５…ケ
ーシング、２０６…スプリング、２０７…エンド
プレート、２０８…ベアリング、１０９…バルブ
プレート、２１０…シリンダバレル、２１１…ピ
ストン、２１２…リテーナボール、２１３…リテ
ーナ、２１４…ピストンスリツパ、２１５…カム
プレート、２１６…ベアリング、２１７…ボルト
、２１８…ボルト、２１９…ピン、２２０…ピン
。
Figure 1 shows a valve plate, which is a component of an embodiment of the present invention, in which a is a plan view thereof, b is a sectional view taken along the line bb of a, and c is a cylinder when the above valve plate is used. A pressure distribution diagram of lubricating oil on the sliding surface with the barrel, d is a flowchart of lubricating oil corresponding to the pressure distribution in c above, and Fig. 2 is a diagram of an example using the valve plate shown in Fig. 1 above. a is a vertical cross-sectional view, b
is a bb arrow view of a, c is a cc sectional view of a, d
3 is a diagram of a conventional example, where a is a longitudinal sectional view, b is a bb-b arrow view of a, and c is a c- of a.
c sectional view, d is dd sectional view of a, Fig. 4 is 3rd sectional view.
In the diagrams related to the conventional valve plate shown in the figure, a is a plan view thereof, b is a bb arrow view of a, and c is a, b
FIG. 3 is a pressure distribution diagram of lubricating oil on the sliding surfaces of the valve plate and cylinder valve shown in FIG. 109... Valve plate, 109a... Cocoon-shaped port, 109b... Seal land, 109c... Seal land, 109d... Auxiliary land, 109e... Drain groove, 109f... Orifice, 201... Shaft, 202... Oil seal, 203... Seal box, 204 ...Front plate, 205...Casing, 206...Spring, 207...End plate, 208...Bearing, 109...Valve plate, 210...Cylinder barrel, 211...Piston, 212...Retainer ball, 213...Retainer, 214...Piston slipper, 215... Cam plate, 216... bearing, 217... bolt, 218... bolt, 219... pin, 220... pin.
Claims (1)
リンダバレルとバルブプレートの摺動部に潤滑の
ための圧液を導く手段において、上記バルブプレ
ートのシールランドと補助ランドとの境界に沿つ
て同心円状に設けられたドレーン溝と、同ドレー
ン溝の適宜の位置の上下に貫通された細孔よりな
るオリフイスとを具備してなることを特徴とする
液圧ポンプモータ。 A means for guiding pressure fluid for lubrication to the sliding parts of the cylinder barrel and valve plate of an axial piston type hydraulic pump/motor, provided concentrically along the boundary between the seal land and the auxiliary land of the valve plate. 1. A hydraulic pump motor comprising: a drain groove; and an orifice consisting of a small hole penetrated above and below the drain groove at appropriate positions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1253288U JPH01118167U (en) | 1988-02-03 | 1988-02-03 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1253288U JPH01118167U (en) | 1988-02-03 | 1988-02-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01118167U true JPH01118167U (en) | 1989-08-09 |
Family
ID=31222050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1253288U Pending JPH01118167U (en) | 1988-02-03 | 1988-02-03 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01118167U (en) |
-
1988
- 1988-02-03 JP JP1253288U patent/JPH01118167U/ja active Pending
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