JPH03112165U - - Google Patents
Info
- Publication number
- JPH03112165U JPH03112165U JP1990021171U JP2117190U JPH03112165U JP H03112165 U JPH03112165 U JP H03112165U JP 1990021171 U JP1990021171 U JP 1990021171U JP 2117190 U JP2117190 U JP 2117190U JP H03112165 U JPH03112165 U JP H03112165U
- Authority
- JP
- Japan
- Prior art keywords
- variable displacement
- hydraulic pump
- displacement hydraulic
- tilting plate
- cam surface
- 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
- 238000006073 displacement reaction Methods 0.000 claims description 5
- 230000007935 neutral effect Effects 0.000 claims description 3
Landscapes
- Reciprocating Pumps (AREA)
- Control Of Fluid Gearings (AREA)
Description
第１図は本考案による可変容量形油圧ポンプの
傾転板中立復帰装置の一実施例を示す一部縦断側
面図、第２図はその一部縦断正面図、第３図は第
２図のＡ矢視図、第４図は従来の可変容量形油圧
ポンプの傾転板中立復帰装置を示す一部縦断側面
図、第５図はその一部縦断正面図、第６図は第４
図のＢ−Ｂ線断面図である。
１……可変容量形油圧ポンプ、５……傾転板、
７……ポンプケース、１１……球状ピボツト、１
２……アーム、１５……コントロールシヤフト、
２６……カム面、２７……位置決めボール、２９
……偏心位置決めボール支持筒、３０……リター
ンスプリング。
Fig. 1 is a partially longitudinal side view showing an embodiment of the tilting plate neutral return device for a variable displacement hydraulic pump according to the present invention, Fig. 2 is a partially longitudinal front view thereof, and Fig. 3 is the same as Fig. 2. A view in the direction of arrow A, FIG. 4 is a partially longitudinal side view showing a conventional tilting plate neutral return device for a variable displacement hydraulic pump, FIG. 5 is a partially longitudinal front view thereof, and FIG.
It is a sectional view taken along the line BB in the figure. 1... variable displacement hydraulic pump, 5... tilting plate,
7... Pump case, 11... Spherical pivot, 1
2...Arm, 15...Control shaft,
26...Cam surface, 27...Positioning ball, 29
...Eccentric positioning ball support tube, 30...Return spring.
Claims (1)
ボツトを、ポンプケースに回転可能に挿通支持せ
るコントロールシヤフトの先端に固設したアーム
に嵌合し、アームの側縁にカム面を形成し、この
カム面に、外周位置調整可能に設けた偏心位置決
めボール支持筒にリターンスプリングと共に装入
支持された位置決めボールを当接したことを特徴
とする可変容量形油圧ポンプの傾転板中立復帰装
置。 A pivot protruding from the tilting plate of a variable displacement hydraulic pump is fitted into an arm fixed to the tip of a control shaft that is rotatably inserted into the pump case and supported, and a cam surface is formed on the side edge of the arm. A tilting plate neutral return device for a variable displacement hydraulic pump, characterized in that a positioning ball, which is inserted and supported together with a return spring in an eccentric positioning ball support tube whose outer periphery position is adjustable, is brought into contact with this cam surface. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990021171U JPH0754685Y2 (en) | 1990-03-02 | 1990-03-02 | Tilting plate neutral return device for variable displacement hydraulic pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990021171U JPH0754685Y2 (en) | 1990-03-02 | 1990-03-02 | Tilting plate neutral return device for variable displacement hydraulic pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03112165U true JPH03112165U (en) | 1991-11-15 |
| JPH0754685Y2 JPH0754685Y2 (en) | 1995-12-18 |
Family
ID=31524229
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990021171U Expired - Lifetime JPH0754685Y2 (en) | 1990-03-02 | 1990-03-02 | Tilting plate neutral return device for variable displacement hydraulic pump |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0754685Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6446566U (en) * | 1987-09-18 | 1989-03-22 |
-
1990
- 1990-03-02 JP JP1990021171U patent/JPH0754685Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6446566U (en) * | 1987-09-18 | 1989-03-22 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0754685Y2 (en) | 1995-12-18 |