JPS61187984U

JPS61187984U -

Info

Publication number: JPS61187984U
Application number: JP7289485U
Authority: JP
Priority date: 1985-05-15
Filing date: 1985-05-15
Publication date: 1986-11-22

Description

[Brief explanation of the drawing]

第１図は本考案の油圧ポンプ装置の側面図、第
２図は同じく前面図、第３図は本考案の油圧ポン
プ装置の側面断面図、第４図は第３図のＢ―Ｂ断
面矢視図、第５図はウエアプレート１と弾性体シ
ール部材２とを一体化したものの前面図、第６図
は同じく側面断面図、第７図はウエアプレート１
とバツクアツププレート３を一体化したものの前
面図、第８図は同じく側面断面図、第９図はウエ
アプレート１と弾性体シール部材またはバツクア
ツププレートの一体化したものの実施例を示す前
面図、第１０図は同じく側面断面図、第１１図は
従来のウエアプレート１と角リング１０とバツク
アツププレート１１，１２の配置を示す側面断面
図、第１２図は同じく第１１図のＡ―Ａ断面矢視
図、第１３図は同じくポンプケース９の前面図、
第１４図は第１３図のＣ―Ｃ線断面図、第１５図
はウエアプレート１・角リング１０・バツクアツ
ププレート１１・１２の分解斜視図、第１６図は
ウエアプレートの他の例を示す図面である。１……ウエアプレート、２……弾性体シール部
材、３……バツクアツププレート、５……駆動側
ポンプ歯車、６……従動側ポンプ歯車、８……ポ
ンプケース蓋体、９……ポンプケース。 Fig. 1 is a side view of the hydraulic pump device of the present invention, Fig. 2 is a front view thereof, Fig. 3 is a side sectional view of the hydraulic pump device of the present invention, and Fig. 4 is a sectional view taken along the line B-B in Fig. 3. 5 is a front view of the integrated wear plate 1 and elastic seal member 2, FIG. 6 is a side sectional view of the same, and FIG. 7 is the wear plate 1.
FIG. 8 is a side sectional view as well, and FIG. 9 is a front view showing an embodiment of an integrated wear plate 1 and an elastic seal member or a backup plate. FIG. 10 is a side sectional view, FIG. 11 is a side sectional view showing the arrangement of the conventional wear plate 1, corner ring 10, and backup plates 11, 12, and FIG. 12 is a sectional view taken along line AA in FIG. 11. The arrow view, FIG. 13 is also a front view of the pump case 9,
Fig. 14 is a sectional view taken along the line CC in Fig. 13, Fig. 15 is an exploded perspective view of the wear plate 1, square ring 10, back-up plates 11 and 12, and Fig. 16 shows another example of the wear plate. It is a drawing. DESCRIPTION OF SYMBOLS 1... Wear plate, 2... Elastic sealing member, 3... Backup plate, 5... Drive side pump gear, 6... Driven side pump gear, 8... Pump case lid, 9... Pump case .

Claims

[Claims for Utility Model Registration] (1) In the wear plate 1 that blocks the leakage of pressure oil from the gap between the gear side of the gear type hydraulic pump and the pump case 9 or the pump case lid 8, A gear type hydraulic pump device characterized in that a hydraulic chamber forming member is integrally provided on the opposite side of the wear plate 1 from the pump gear. (2) Utility Model Registration The hydraulic chamber forming member according to claim 1 is constituted by an elastic seal member 2, and the elastic seal member 2 is baked, bonded, etc.
A gear type hydraulic pump device characterized by being integrated with a wear plate 1. (3) Utility model registration The hydraulic chamber forming member according to claim 1 is constituted by an elastic seal member 2 and a backup plate 3 made of synthetic resin, and the elastic seal member 2 or the backup plate 3 is A gear type hydraulic pump device characterized in that it is integrated into a wear plate 1 by baking, adhesion, etc.