INTERNAL GEAR PUMP
To provide an internal gear pump facilitating positioning in assembling a casing and a cover and capable of preventing separation or falling of both members.SOLUTION: In an internal gear pump 1, at least one member of a casing 5 and a cover 6 is a resin composition or metal molded body. The casing 5...
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Main Authors | , , , |
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Format | Patent |
Language | English Japanese |
Published |
24.06.2019
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Subjects | |
Online Access | Get full text |
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Summary: | To provide an internal gear pump facilitating positioning in assembling a casing and a cover and capable of preventing separation or falling of both members.SOLUTION: In an internal gear pump 1, at least one member of a casing 5 and a cover 6 is a resin composition or metal molded body. The casing 5 and the cover 6 are configured such that a plurality of projection parts projecting from one member is fitted and fixed to the other member, and the projection part is a projection portion of a metal bush 9 from the casing, wherein the metal bush is fixed to the casing 5. The casing 5 and the cover 6 are integrated by a bolt 13 passed through the metal bush 9 across these members.SELECTED DRAWING: Figure 2
【課題】ケーシングとカバーとの組み付け時の位置合わせが容易であり、かつ、これら両部材の分離や脱落を防止できる内接歯車ポンプを提供する。【解決手段】内接歯車ポンプ1において、ケーシング5とカバー6の少なくとも一方の部材が樹脂組成物または金属の成形体であり、ケーシング5とカバー6は、一方の部材から突出した複数の突出部を他方の部材に嵌合させて固定されており、この突出部が、ケーシング5に固定された金属製ブッシュ9の該ケーシングからの突出部分であり、ケーシング5とカバー6は、これら両部材を跨る金属製ブッシュ9を介して通されたボルト13により一体化されている。【選択図】図2 |
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Bibliography: | Application Number: JP20180224526 |