JPS58133662U

JPS58133662U - switching valve

Info

Publication number: JPS58133662U
Application number: JP3023982U
Authority: JP
Inventors: 勝一佐藤; 喜久治高橋
Original assignee: 株式会社日立製作所
Priority date: 1982-03-05
Filing date: 1982-03-05
Publication date: 1983-09-08

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 the drawing]

第１図は従来の切換弁の縦断面図、第２図は空気調和機
の冷凍サイクル構成図、第３図〜第６図は本考案の一実
施例を示す切換弁の縦断面図、第７図は第３図のＥ−Ｅ
線断面図、第８図は本考案の一実施例を示すねじりコイ
ルばねの正面図、第９図は第８図の側面図である。２１・・・・・・ボデー、２２・・・・・・Ｂ導通路、
２３・・・・・・Ｃ導通路、２４・・・・・・Ｄ導通路
、２５．　２６．　２７・・・・・・接続パイプ、２８
・・・・・・主弁、２９・・・・・・シート座、３０・
・・・・・補助作動板、３１・・・・・・ボール弁、３
２・・・・・・ねじりコイルばね、３３・・・・・・ガ
イド、３４・・・・・・アーマチュア、３５・・・・・
・作動板、３６・・・・・・吸引子、３７・・・・・・
圧縮コイルばね、３８・・・・・・電磁コイル、３９・
・・・・・ヨーク、４１・・・・・・蓋、４２・・・・
・・Ａ導通路、４３・・・・・・接続パイプ。Fig. 1 is a longitudinal sectional view of a conventional switching valve, Fig. 2 is a configuration diagram of a refrigeration cycle of an air conditioner, and Figs. 3 to 6 are longitudinal sectional views of a switching valve showing an embodiment of the present invention. Figure 7 shows E-E in Figure 3.
8 is a front view of a torsion coil spring showing an embodiment of the present invention, and FIG. 9 is a side view of FIG. 8. 21...Body, 22...B conduction path,
23...C conduction path, 24...D conduction path, 25. 26. 27... Connection pipe, 28
... Main valve, 29 ... Seat seat, 30.
...Auxiliary operating plate, 31...Ball valve, 3
2... Torsion coil spring, 33... Guide, 34... Armature, 35...
- Operating plate, 36... Attractor, 37...
Compression coil spring, 38... Electromagnetic coil, 39.
... Yoke, 41 ... Lid, 42 ...
...A conduction path, 43...Connection pipe.

Claims

[Claims for Utility Model Registration] 1. The balance hole 28a is provided in the main valve 28.
The main valve 28 is interlocked with the main valve 28 to switch each communication hole by the operation of the auxiliary operating plate 30 that opens and closes the main valve 8a.
A switching valve characterized in that a seat seat 29 is provided at the position of the balance hole 28a, and a circular communication hole 29a is formed in the seat seat 29. 2. The switching valve according to claim 1, wherein the material of the seat seat 29 is metal. 3. The switching valve according to claim 1 or 2, in which the seat seat 29 is insert molded at the same time as the main valve 28 is molded.