JPS60615U

JPS60615U - Water pressure reducing valve

Info

Publication number: JPS60615U
Application number: JP8983983U
Authority: JP
Inventors: 松田　省一郎
Original assignee: Individual
Current assignee: Individual
Priority date: 1983-06-14
Filing date: 1983-06-14
Publication date: 1985-01-07

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

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

図面第１図は本案弁の縦断面図、第２図は側面図、第３
図は横断面図、第４図は、第１図に示す弁を垂直方向に
した縦断面図、第５図は水抜栓の拡大断面図を示すもの
である。〔符号の説明〕、Ａ・・・・・・−次側入口、Ｂ・・・
・・・二次側出口、１・・・・・・−次側管路、２・・
・・・・二次側管路、３・・・・・・中央管路、４・・
・・・・バネカバー、５・・・・・・調整バネ蓋、６・
・・・・・調整バネ、７・・・・・・ダイヤフラム、８
・・・・・・止め金具、９・・・・・・弁棒、１０・・
・・・・ディスク、１１・・・・・・摺動盤、１２・・
・・・・底蓋、１３・・・・・・濾過筒、１４・・・・
・・逆止弁、１５・・・・・・逆止弁ばね、１６・・・
・・・作動盤、１７・・・・・・透孔、１８・・・・・
・水抜栓、１９・・・・・・ねじ部、２０・・・・・・
０リング、２１・・・・・・通孔、ａ。ｂ、　　ｃ・・・・・・残留水。Figure 1 of the drawings is a longitudinal sectional view of the proposed valve, Figure 2 is a side view, and Figure 3 is a side view of the valve.
4 is a vertical sectional view of the valve shown in FIG. 1 in a vertical direction, and FIG. 5 is an enlarged sectional view of the drain valve. [Explanation of symbols], A...-Next entrance, B...
...Secondary side outlet, 1...--Next side pipe line, 2...
...Secondary pipe line, 3...Central pipe line, 4...
...Spring cover, 5...Adjustment spring cover, 6.
...Adjustment spring, 7...Diaphragm, 8
...Stopping metal fitting, 9...Valve stem, 10...
...Disc, 11...Sliding plate, 12...
...Bottom lid, 13...Filter cylinder, 14...
...Check valve, 15...Check valve spring, 16...
...Operation panel, 17...Through hole, 18...
・Drain plug, 19... Threaded part, 20...
0 ring, 21...Through hole, a. b, c...Residual water.

Claims

【実用新案登録請求の範囲】[Scope of utility model registration request]

−次側管路１から濾過管１３、逆止弁１４を経て中央管
路３に至り、ダイヤフラム７の作動で二次側管路２への
開閉弁１０を備えた水道用減圧弁において、二次管路２
の底部に透孔１７を穿設し、外方より嵌挿した水抜栓１
８の先端に０リング２０を前記透孔１７壁に密着可能に
介装すると共に、水抜栓１８に外部へ通孔２１を穿通せ
しめてなる水道用減圧弁。- In a water pressure reducing valve equipped with an on-off valve 10 that extends from the downstream pipe 1 through the filtration pipe 13 and the check valve 14 to the central pipe 3 and opens to the secondary pipe 2 by the operation of the diaphragm 7, Next pipe line 2
A drain plug 1 with a through hole 17 bored in the bottom and inserted from the outside.
8, an O-ring 20 is interposed at the tip of the through hole 17 so that it can be brought into close contact with the wall of the through hole 17, and a drain plug 18 is provided with a through hole 21 to the outside.