JPH01161757U - - Google Patents
Info
- Publication number
- JPH01161757U JPH01161757U JP5885488U JP5885488U JPH01161757U JP H01161757 U JPH01161757 U JP H01161757U JP 5885488 U JP5885488 U JP 5885488U JP 5885488 U JP5885488 U JP 5885488U JP H01161757 U JPH01161757 U JP H01161757U
- Authority
- JP
- Japan
- Prior art keywords
- tubular body
- resistance plate
- coil spring
- hole
- opening end
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000035515 penetration Effects 0.000 description 1
Landscapes
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
- Safety Valves (AREA)
Description
第１図〜第４図は本考案の実施例を示しており
、第１図は抵抗板が管状本体の一次側開口端部に
位置している状態の縦断側面図、第２図は管状本
体内における抵抗板の嵌入状態を示す縦断正面図
、第３図は抵抗板が管状本体内の途中まで移動し
た状態を示す縦断側面図、第４図はコイルスプリ
ングの隣接する各コイル部どうしが密着する位置
まで抵抗板を移動した状態を示す縦断側面図であ
る。
１……管状本体、１ａ……管状本体の一次側開
口端部、１ｂ……管状本体の二次側開口端部、２
……抵抗板、２１……貫通孔、２５……貫通空間
、３……コイルスプリング、３１……コイルスプ
リングのコイル部。
1 to 4 show an embodiment of the present invention, in which FIG. 1 is a longitudinal cross-sectional side view of the tubular body with the resistance plate located at the primary opening end of the tubular body, and FIG. 2 is a longitudinal side view of the tubular body. 3 is a vertical sectional side view showing the state in which the resistance plate has been moved halfway inside the tubular body; FIG. FIG. DESCRIPTION OF SYMBOLS 1...Tubular body, 1a...Primary side open end of tubular body, 1b...Secondary side open end of tubular body, 2
... Resistance plate, 21 ... Through hole, 25 ... Penetration space, 3 ... Coil spring, 31 ... Coil part of coil spring.
Claims (1)
貫通孔２１を設け且つ周辺に貫通空間２５，２５
…２５を設けた抵抗板２を摺動自在に嵌入すると
共に、この抵抗板２の貫通孔２１外周部と前記管
状本体１の二次側開口端部１ｂとの間に、二次側
に向けて拡径し且つ圧縮状態において隣接するコ
イル部３１，３１…３１どうしが密着する円錐形
コイルスプリング３を圧入したことを特徴とする
消火栓用減圧弁。 A through hole 21 is provided at the center of the primary opening end 1a in the tubular body 1, and through spaces 25, 25 are provided at the periphery.
... 25 is slidably inserted, and the resistance plate 2 is inserted between the outer circumference of the through hole 21 of the resistance plate 2 and the secondary opening end 1b of the tubular body 1, facing toward the secondary side. A pressure reducing valve for a fire hydrant, characterized in that a conical coil spring 3 is press-fitted into the conical coil spring 3, which expands in diameter and causes adjacent coil parts 31, 31, . . . 31 to come into close contact with each other in a compressed state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988058854U JPH0642684Y2 (en) | 1988-04-30 | 1988-04-30 | Pressure reducing valve for fire hydrant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988058854U JPH0642684Y2 (en) | 1988-04-30 | 1988-04-30 | Pressure reducing valve for fire hydrant |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01161757U true JPH01161757U (en) | 1989-11-10 |
| JPH0642684Y2 JPH0642684Y2 (en) | 1994-11-09 |
Family
ID=31284651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988058854U Expired - Lifetime JPH0642684Y2 (en) | 1988-04-30 | 1988-04-30 | Pressure reducing valve for fire hydrant |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0642684Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111379300A (en) * | 2020-04-11 | 2020-07-07 | 陈福环 | Pressure reducing device on toilet flushing pipeline |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101856975B1 (en) * | 2017-12-13 | 2018-05-14 | 대원포비스 주식회사 | Water pressure regulation apparatus of sprinkler for building fire fighting |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5434137U (en) * | 1977-08-10 | 1979-03-06 | ||
| JPS54174254U (en) * | 1978-05-29 | 1979-12-08 |
-
1988
- 1988-04-30 JP JP1988058854U patent/JPH0642684Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5434137U (en) * | 1977-08-10 | 1979-03-06 | ||
| JPS54174254U (en) * | 1978-05-29 | 1979-12-08 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111379300A (en) * | 2020-04-11 | 2020-07-07 | 陈福环 | Pressure reducing device on toilet flushing pipeline |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0642684Y2 (en) | 1994-11-09 |