JPS6110985U

JPS6110985U - gear pump

Info

Publication number: JPS6110985U
Application number: JP9450984U
Authority: JP
Inventors: 正二盛田
Original assignee: 厚木自動車部品株式会社
Priority date: 1984-06-26
Filing date: 1984-06-26
Publication date: 1986-01-22

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

[Brief explanation of drawings]

第１図はこの考案のギアポンプの一実施例の正面断面図
、第２図は第１図の■■線に沿う断面図、第３図は要部
の拡大断面図、第４図はシール構造の模式的正面図、第
５図は従来構造の断面図、第６図は先順考案の要部拡大
断面図である。２・・・ケーシング、３・・・ケース本体、４・・・カ
バー、５・・・駆動シャフト、６・・・インナギア、７
・・・アウタギア、８・・・吸込ポート、９・・・吐出
ポート、１２・・・チャンバ、１５・・・溝、１５Ａ・
・・凹部、１６・・・シールリング、１６Ａ・・・突部
、１７・・・ウエーブ又プリング。Fig. 1 is a front sectional view of an embodiment of the gear pump of this invention, Fig. 2 is a sectional view taken along the line ■■ in Fig. 1, Fig. 3 is an enlarged sectional view of the main parts, and Fig. 4 is the seal structure. 5 is a sectional view of the conventional structure, and FIG. 6 is an enlarged sectional view of the main part of the prior design. 2...Casing, 3...Case body, 4...Cover, 5...Drive shaft, 6...Inner gear, 7
...Outer gear, 8...Suction port, 9...Discharge port, 12...Chamber, 15...Groove, 15A・
... recess, 16... seal ring, 16A... protrusion, 17... wave or pull.

Claims

[Scope of utility model registration request]

In a gear pump that transfers oil from a suction port to a discharge port by rotation of a gear installed in a casing, a circumferential groove is formed on one of the sliding surfaces of the gear and the casing, and a groove is formed in the groove. A gear pump comprising a seal ring made of resin or sintered material and a wave spring that presses the seal ring against the other sliding surface.