JPS6240392U - - Google Patents

Description

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

第１図〜第４図は本考案の各実施例を示し、第
１図は第１実施例に係る配管接続装置の縦断側面
図であり、第２図は本考案の第２実施例に係る配
管接続装置の縦断側面図であり、第３図は本考案
の第３実施例に係る配管接続装置の縦断側面図で
あり、第４図は第３図の―線から見た状態の
平面図である。第５図および第６図は従来の技術
を示し、第５図は従来の配管接続装置の縦断側面
図であり、第６図はその平面図である。 図中、１は基体、１０はプレツシヤポート、１
１はリターンポート、２は入口側部材、２０はボ
ルトユニオン、２１はアイユニオン、２２および
２３は第１シール部材、２０ａは流体通過孔、２
１ａは中空室、３は出口側部材、３０は継手部、
３１は第２シール部材、３２はブラケツト、３２
ａは筒部、３２ｂは鍔部をそれぞれ示す。 1 to 4 show each embodiment of the present invention, FIG. 1 is a longitudinal cross-sectional side view of the piping connection device according to the first embodiment, and FIG. 2 is a longitudinal sectional side view of the pipe connection device according to the second embodiment of the present invention 3 is a vertical sectional side view of the piping connection device according to a third embodiment of the present invention, and FIG. 4 is a plan view of the piping connection device as viewed from the line - It is. FIGS. 5 and 6 show a conventional technique, with FIG. 5 being a longitudinal sectional side view of a conventional piping connection device, and FIG. 6 being a plan view thereof. In the figure, 1 is the base, 10 is the pressure port, 1
1 is a return port, 2 is an inlet side member, 20 is a bolt union, 21 is an eye union, 22 and 23 are first seal members, 20a is a fluid passage hole, 2
1a is a hollow chamber, 3 is an outlet side member, 30 is a joint part,
31 is a second seal member, 32 is a bracket, 32
a indicates a cylinder portion, and 32b indicates a flange portion.

Claims (1)

【実用新案登録請求の範囲】 (1) ギヤバルブ等の基体のプレツシヤポートに
取付けられる入口側部材と、リターンポートに取
付けられる出口側部材とで構成され、 該入口側部材は、 内部に該プレツシヤポートと連通する流体通過
孔をもち該プレツシヤポートに形成しためねじ部
に螺合するボルトユニオンと、 該ボルトユニオンが貫通して該基体に保持され
、流体流入パイプ及び該ボルトユニオンの流体通
過孔と連通する中空室をもつアイユニオンと、 該アイユニオンの両端面をシールする第１シー
ル部材とで構成され、 該出口側部材は、該入口側部材の該ボルトユニ
オン、該アイユニオン、該第１シール部材の少な
くとも一方と一体的に固着されかつ軸孔を有する
管状の継手部と、該継手部の外周面に設けられ該
リターンポートの内壁面に当接する第２シール部
材とで構成されている配管接続装置。 (2) 出口部材の継手部は、貫通孔をもつブラケ
ツトを有し、 該貫通孔に入口側部材のボルトユニオンを挿通
することにより、該ボルトユニオンに一体的に固
着されている実用新案登録請求の範囲第１項記載
の配管接続装置。 (3) 出口側部材の継手部はブラケツトを有し、
該ブラケツトは、入口側部材のアイユニオンに一
体的に固着されている実用新案登録請求の範囲第
１項記載の配管接続装置。 (4) 出口側部材の継手部は、断面円形状の外周
面をもつ筒状体であり、入口側部材のアイユニオ
ンは、該筒状体の外周面が嵌合する断面円形状の
壁面をもつ窪部を有し、該窪部の該壁面と該筒状
体の該外周面とは一体的に固着されている実用新
案登録請求の範囲第１項記載の配管接続装置。[Claims for Utility Model Registration] (1) Consisting of an inlet side member attached to a pressure port of a base body such as a gear valve, and an outlet side member attached to a return port, the inlet side member internally communicates with the pressure port. a bolt union having a fluid passage hole formed in the pressure port and screwed into the internal threaded portion, and a hollow hole through which the bolt union passes and is held by the base body and communicates with the fluid inflow pipe and the fluid passage hole of the bolt union. It is composed of an eye union having a chamber and a first sealing member that seals both end surfaces of the eye union, and the outlet side member is configured to connect the bolt union of the entrance side member, the eye union, and the first sealing member to each other. A piping connection device comprising a tubular joint portion integrally fixed to at least one side and having a shaft hole, and a second seal member provided on the outer peripheral surface of the joint portion and abutting the inner wall surface of the return port. . (2) The joint part of the outlet member has a bracket with a through hole, and the bolt union of the inlet side member is inserted into the through hole so that the bolt union is integrally fixed to the bolt union. Piping connection device according to item 1. (3) The joint part of the outlet side member has a bracket,
The pipe connection device according to claim 1, wherein the bracket is integrally fixed to the eye union of the inlet side member. (4) The joint part of the outlet side member is a cylindrical body with an outer peripheral surface of a circular cross section, and the eye union of the inlet side member has a wall surface of a circular cross section to which the outer peripheral surface of the cylindrical body fits. The piping connection device according to claim 1, which has a recessed portion, and wherein the wall surface of the recessed portion and the outer circumferential surface of the cylindrical body are integrally fixed.