JPS59144184U - vane pump - Google Patents
vane pumpInfo
- Publication number
- JPS59144184U JPS59144184U JP3942883U JP3942883U JPS59144184U JP S59144184 U JPS59144184 U JP S59144184U JP 3942883 U JP3942883 U JP 3942883U JP 3942883 U JP3942883 U JP 3942883U JP S59144184 U JPS59144184 U JP S59144184U
- Authority
- JP
- Japan
- Prior art keywords
- cam ring
- vanes
- pump
- vane
- cam
- 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
Landscapes
- Rotary Pumps (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案に係るベーンホンプの一実施例を示す縦
断面図、第２図は第１図の■−■線に沿う断面図、第３
図はサイドプレートの変形状態を説明する同ポンプの拡
大部分断面図、第４図は同ポンプにおける圧力流体の吐
出圧とロータおよび両サイドプレート間のクリアランス
との関係、および同吐出圧と圧力流体の洩れ量との関係
を示すグラフ、第５図は従来のベーンホンプにおける第
３図に対応する拡大部分断面図、第６図は同ベーンホン
プにおける第４図に対応するグラフである。
符号の説明、１０・・・ポンプハウジング、１１・・・
中空室、′１２・・・エンドプレート、２１・・・ベー
ン、２２・・・ロータ、２３・・・カムリング、２４ｄ
。
２５ｂ・・・吐出ポート、２５ｅ・・・環状凹所、３３
゜３５・・・圧力室。
補正 昭５８． ８． ３
実用新案登録請求の範囲、図面の簡単な説明を次のよう
に補正する。
Ｏ実用新案登録請求の範囲
複数のベーンを放射状に摺動可能に保持するロータと、
このロータを内部に収容しその内周カム面に前記各ベー
ンの先端が摺接されるカムリングと、このカムリングの
両側面に檜接して前記各ベーンにより区画される複数の
ポンプ室を形成スる一対のサイドプレートとをポンプハ
ウジングの中空室内に位置決め保持し、かつ前記ポンプ
室の膨張行程に対応する部分と圧縮行程に対応する部分
にて前記両サイドプレートの少くとも一方に吸入ポート
と吐出ポートを設けるとともに、同サイドプレートの前
記カムリングに対向する側とは反対側に前記吐出ポート
に連通ずる圧力室を設けてなるベーンポンプにおいて、
前記サイドプレート前記圧力室側側面に前記カムリング
の最大内径より大径の外周とその最少内径より小径の内
周とを有する環状凹所を設けて、この環状凹所の形成部
分を環状の撓み部としたことを特徴とするベーンポンプ
。
図面の簡単な説明
第１図は本考案に係るベーンポンプの一実施例を示す縦
断面図、第２図は第１図の■−■線に沿う断面図、第３
図はサイドプレートの変形状態を説明する同ポンプの拡
大部分断面図、第４図は同ポンプにおける圧力流体の吐
出圧とロータおよび両サイドプレート間のクリアランス
との関係、および同吐出圧と圧力流体の洩れ量との関係
を示すグラフ、第５図は従来のベーンポンプにおける第
３図に対応する拡大部分断面図、第６図は同ベーンポン
プにおける第４図に対応するグラフである。
符号の説明、１０・・・ポンプハウジング、１１・・・
中空室、１２・・・エンドプレート、２１・・・ベーン
、２２・・・ロータ、２３・・・カムリング、２４ｄ。
２５ｂ・・・吐出ポート５２５ｅ・・・環状凹所、３３
゜３５・・・圧力室。Fig. 1 is a longitudinal sectional view showing one embodiment of the vane homp according to the present invention, Fig. 2 is a sectional view taken along the line ■-■ in Fig. 1, and Fig.
The figure is an enlarged partial sectional view of the same pump explaining the deformed state of the side plate, and Figure 4 shows the relationship between the discharge pressure of the pressurized fluid in the same pump and the clearance between the rotor and both side plates, and the relationship between the discharge pressure and the pressure fluid. FIG. 5 is an enlarged partial sectional view corresponding to FIG. 3 in a conventional vane hump, and FIG. 6 is a graph corresponding to FIG. 4 in the same vane hump. Explanation of symbols, 10...Pump housing, 11...
Hollow chamber, '12... End plate, 21... Vane, 22... Rotor, 23... Cam ring, 24d
. 25b...Discharge port, 25e...Annular recess, 33
゜35...Pressure chamber. Revised 1984. 8. 3. The scope of claims for utility model registration and the brief description of the drawings are amended as follows. O Utility Model Registration Claims A rotor that holds a plurality of vanes in a radially slidable manner;
A cam ring that accommodates the rotor and has the tips of the vanes slidably in contact with the inner cam surface of the cam ring, and a plurality of pump chambers partitioned by the vanes that are in contact with both sides of the cam ring. a pair of side plates are positioned and held in a hollow chamber of the pump housing, and a suction port and a discharge port are provided in at least one of the side plates at a portion corresponding to the expansion stroke and a portion corresponding to the compression stroke of the pump chamber. and a pressure chamber communicating with the discharge port on the opposite side of the side plate to the side facing the cam ring,
An annular recess having an outer periphery larger in diameter than the maximum inner diameter of the cam ring and an inner periphery smaller than the minimum inner diameter thereof is provided on the side surface of the side plate on the pressure chamber side, and the forming part of the annular recess is formed into an annular flexible part. A vane pump characterized by the following. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a longitudinal cross-sectional view showing one embodiment of the vane pump according to the present invention, FIG. 2 is a cross-sectional view taken along the line ■-■ in FIG. 1, and FIG.
The figure is an enlarged partial sectional view of the same pump explaining the deformed state of the side plate, and Figure 4 shows the relationship between the discharge pressure of the pressurized fluid in the same pump and the clearance between the rotor and both side plates, and the relationship between the discharge pressure and the pressure fluid. FIG. 5 is an enlarged partial sectional view corresponding to FIG. 3 of a conventional vane pump, and FIG. 6 is a graph corresponding to FIG. 4 of the same vane pump. Explanation of symbols, 10...Pump housing, 11...
Hollow chamber, 12... End plate, 21... Vane, 22... Rotor, 23... Cam ring, 24d. 25b...Discharge port 525e...Annular recess, 33
゜35...Pressure chamber.
Claims (1)
このロータを内部に収容しその内周カム面に前記各ベー
ンの先端が摺接されるカムリングと、このカムリングの
両側面に密接して前記各ベーンにより区画される複数の
ポンプ室を形成する一対のサイドプレートとをポンプハ
ウジングの中空室内に位置決め保持し、かつ前記ポンプ
室の膨張行程に対応する部分と圧縮行程に対応する部分
にて前記サイドプレートの少くとも一方に吸入ポートと
吐出ポートを設けるとともに、同サイドプレー１・の前
記カムリングに対向する側とは反対側に前記吐出ポート
に連通ずる圧力室を設けてなるベーンホンプにおいて、
前記サイドプレートの前記圧力室側側面に前記カムリン
グの最大内径より大径の外周とその最少内径より小径の
内周とを有する環状凹所を設けて、この環状凹所の形成
部分を環状の撓み部としたことを特徴とするベーンホン
プ。a rotor that slidably holds a plurality of vanes in a radial manner;
A cam ring that houses the rotor and has the tips of the vanes slidably in contact with the inner cam surface of the cam ring, and a pair of cam rings that form a plurality of pump chambers partitioned by the vanes in close contact with both sides of the cam ring. and a side plate is positioned and held in a hollow chamber of the pump housing, and at least one of the side plates is provided with a suction port and a discharge port in a portion corresponding to the expansion stroke and a portion corresponding to the compression stroke of the pump chamber. Also, in a vane homp, a pressure chamber communicating with the discharge port is provided on the side opposite to the side facing the cam ring of the side play 1.
An annular recess having an outer periphery larger than the maximum inner diameter of the cam ring and an inner periphery smaller than the minimum inner diameter thereof is provided on the side surface of the side plate facing the pressure chamber, and the forming portion of the annular recess is bent into an annular shape. Vane Homp is characterized by having a part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3942883U JPS59144184U (en) | 1983-03-17 | 1983-03-17 | vane pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3942883U JPS59144184U (en) | 1983-03-17 | 1983-03-17 | vane pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59144184U true JPS59144184U (en) | 1984-09-26 |
Family
ID=30170077
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3942883U Pending JPS59144184U (en) | 1983-03-17 | 1983-03-17 | vane pump |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59144184U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63253187A (en) * | 1987-04-07 | 1988-10-20 | Jidosha Kiki Co Ltd | Vane pump |
| JP2006307756A (en) * | 2005-04-28 | 2006-11-09 | Kayaba Ind Co Ltd | Vane pump |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4840804B1 (en) * | 1969-12-29 | 1973-12-03 |
-
1983
- 1983-03-17 JP JP3942883U patent/JPS59144184U/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4840804B1 (en) * | 1969-12-29 | 1973-12-03 |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63253187A (en) * | 1987-04-07 | 1988-10-20 | Jidosha Kiki Co Ltd | Vane pump |
| JP2006307756A (en) * | 2005-04-28 | 2006-11-09 | Kayaba Ind Co Ltd | Vane pump |
| JP4619189B2 (en) * | 2005-04-28 | 2011-01-26 | カヤバ工業株式会社 | Vane pump |
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