JPS6197592U - - Google Patents

Info

Publication number
JPS6197592U
JPS6197592U JP18271184U JP18271184U JPS6197592U JP S6197592 U JPS6197592 U JP S6197592U JP 18271184 U JP18271184 U JP 18271184U JP 18271184 U JP18271184 U JP 18271184U JP S6197592 U JPS6197592 U JP S6197592U
Authority
JP
Japan
Prior art keywords
torque plate
motor
piston
cylinder block
piston pump
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
Application number
JP18271184U
Other languages
Japanese (ja)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP18271184U priority Critical patent/JPS6197592U/ja
Publication of JPS6197592U publication Critical patent/JPS6197592U/ja
Pending legal-status Critical Current

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  • Reciprocating Pumps (AREA)
  • Hydraulic Motors (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第1図〜第8図は本考案の一実施例を示す。第
1図はピストンポンプまたはモータの縦断面図、
第2図はその要部拡大断面図である。第3図は第
1図の−線断面図である。第4図は第1図に
おける−線断面図、第5図は第1図における
−線に沿う部分断面図である。第6図、第7
図および第8図は第1領域における圧力バランス
状態を説明するための作用説明図である。第9図
は比較例を示すピストンポンプまたはモータの縦
断面図である。 1…ケーシング、4…回転軸、6…トルクプレ
ート、9…シリンダブロツク、11…バルブ面、
12…ポンプ室、13…シリンダ穴、14…ピス
トン、17…ピストンの球面端部、18…トルク
プレートの球面受座、24,25…接続ポート(
圧力ポケツト)、37,39…係着面、35…バ
ネ。
1 to 8 show an embodiment of the present invention. Figure 1 is a longitudinal sectional view of a piston pump or motor;
FIG. 2 is an enlarged sectional view of the main part. FIG. 3 is a sectional view taken along the line -- in FIG. 1. 4 is a sectional view taken along the - line in FIG. 1, and FIG. 5 is a partial sectional view taken along the - line in FIG. 1. Figures 6 and 7
FIG. 8 and FIG. 8 are operation explanatory diagrams for explaining the pressure balance state in the first region. FIG. 9 is a longitudinal sectional view of a piston pump or motor showing a comparative example. 1... Casing, 4... Rotating shaft, 6... Torque plate, 9... Cylinder block, 11... Valve surface,
12... Pump chamber, 13... Cylinder hole, 14... Piston, 17... Spherical end of piston, 18... Spherical seat of torque plate, 24, 25... Connection port (
pressure pocket), 37, 39...clutching surface, 35...spring.

Claims (1)

【実用新案登録請求の範囲】 (1) 流出入ポートを有したケーシングと、この
ケーシングに支持された入出力用の回転軸と、こ
の回転軸に一体回転可能に設けられたトルクプレ
ートと、このトルクプレートの回転中心と交わる
傾斜軸心回りに回転可能に設けられ前記傾斜軸心
に平行な複数のシリンダ穴を前記トルクプレート
に向けて開口させたシリンダブロツクと、このシ
リンダブロツクの各シリンダ穴にスライド可能に
嵌着されるとともにその反シリンダブロツク側の
球面端部を前記トルクプレートに設けた球面受座
に回動可能に嵌合させた複数のピストンと、前記
シリンダブロツクの反トルクプレート側の端面に
添接すべくケーシングに設けられ前記流出入ポー
トと前記各シリンダ穴とを接続するための接続ポ
ートを有してなるバルブ面とを具備してなるピス
トンポンプまたはモータであつて、前記ピストン
を前記トルクプレートに向けて付勢するバネを、
少なくともその一端を前記ピストンの球面端部に
係着させて設けたことを特徴とするピストンポン
プまたはモータ。 (2) バネに圧縮バネを用いるとともに、該圧縮
バネをピストン球面端部のシリンダブロツク側に
形成した係着面とシリンダブロツクのトルクプレ
ート側に形成した係着面との間に介装しているこ
とを特徴とする実用新案登録請求の範囲第1項記
載のピストンポンプまたはモータ。
[Claims for Utility Model Registration] (1) A casing having an inlet/outlet port, an input/output rotating shaft supported by the casing, a torque plate rotatably provided on the rotating shaft, and the A cylinder block that is rotatably provided around an inclined axis that intersects with the rotation center of the torque plate and has a plurality of cylinder holes opened toward the torque plate parallel to the inclined axis, and each cylinder hole of this cylinder block a plurality of pistons that are slidably fitted and whose spherical ends on the side opposite to the cylinder block are rotatably fitted in spherical seats provided on the torque plate; and A piston pump or motor comprising: a valve face provided in a casing to be attached to an end face and having a connection port for connecting the inflow/outflow port and each cylinder hole, the piston pump or motor comprising: a spring that biases the torque toward the torque plate;
A piston pump or motor, characterized in that at least one end of the piston is engaged with a spherical end of the piston. (2) A compression spring is used as the spring, and the compression spring is interposed between the engagement surface formed on the cylinder block side of the spherical end of the piston and the engagement surface formed on the torque plate side of the cylinder block. A piston pump or motor according to claim 1, characterized in that the piston pump or motor is characterized in that:
JP18271184U 1984-11-30 1984-11-30 Pending JPS6197592U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18271184U JPS6197592U (en) 1984-11-30 1984-11-30

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18271184U JPS6197592U (en) 1984-11-30 1984-11-30

Publications (1)

Publication Number Publication Date
JPS6197592U true JPS6197592U (en) 1986-06-23

Family

ID=30740246

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18271184U Pending JPS6197592U (en) 1984-11-30 1984-11-30

Country Status (1)

Country Link
JP (1) JPS6197592U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1991005161A1 (en) * 1989-10-04 1991-04-18 Kabushiki Kaisha Komatsu Seisakusho Piston type pump motor
JPH03151576A (en) * 1989-11-08 1991-06-27 Daikin Ind Ltd Axial piston machine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1991005161A1 (en) * 1989-10-04 1991-04-18 Kabushiki Kaisha Komatsu Seisakusho Piston type pump motor
JPH03151576A (en) * 1989-11-08 1991-06-27 Daikin Ind Ltd Axial piston machine

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