JPS61112166U - - Google Patents
Info
- Publication number
- JPS61112166U JPS61112166U JP19730284U JP19730284U JPS61112166U JP S61112166 U JPS61112166 U JP S61112166U JP 19730284 U JP19730284 U JP 19730284U JP 19730284 U JP19730284 U JP 19730284U JP S61112166 U JPS61112166 U JP S61112166U
- Authority
- JP
- Japan
- Prior art keywords
- waterway
- pilot chamber
- valve
- upstream
- downstream
- 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.)
- Pending
Links
- 238000011144 upstream manufacturing Methods 0.000 claims description 3
- 230000002265 prevention Effects 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Domestic Plumbing Installations (AREA)
- Fluid-Driven Valves (AREA)
- Multiple-Way Valves (AREA)
Description
第１図は本考案の装置の適用例を示す給湯シス
テムの概略図、第２図は本考案の実施例を示す要
部の断面図である。
１……沿槽、４……給水源、５……水路、５ａ
……上流側水路、５ｂ……下流側水路、６……給
湯加熱器、７……水電磁弁、１５……逆止弁、１
６……遮断装置、１８……ドレン路、２０……逆
止弁、２１……ダイヤフラム、２２……ばね、２
３……弁、２４……軸、２６……パイロツト室。
FIG. 1 is a schematic diagram of a hot water supply system showing an example of application of the device of the present invention, and FIG. 2 is a sectional view of a main part showing an embodiment of the present invention. 1... Tankside, 4... Water supply source, 5... Waterway, 5a
...Upstream waterway, 5b...Downstream waterway, 6...Hot water heater, 7...Water solenoid valve, 15...Check valve, 1
6... Shutoff device, 18... Drain path, 20... Check valve, 21... Diaphragm, 22... Spring, 2
3...Valve, 24...Shaft, 26...Pilot chamber.
Claims (1)
路とに分離する遮断装置内の逆止弁と、前記下流
側水路から分岐し弁が装着されたドレン路と、前
記上流側水路に連通するパイロツト室と、該パイ
ロツト室に張られ前記弁に連結されたダイヤフラ
ムと、該ダイヤフラムにパイロツト室側への力を
作用するばねとからなる水路の逆流防止装置。 A check valve in a shutoff device that is attached to a waterway and separates the waterway into an upstream waterway and a downstream waterway, and a drain path that branches from the downstream waterway and is equipped with a valve, and communicates with the upstream waterway. A waterway backflow prevention device comprising a pilot chamber, a diaphragm stretched in the pilot chamber and connected to the valve, and a spring that applies a force toward the pilot chamber on the diaphragm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19730284U JPS61112166U (en) | 1984-12-27 | 1984-12-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19730284U JPS61112166U (en) | 1984-12-27 | 1984-12-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61112166U true JPS61112166U (en) | 1986-07-16 |
Family
ID=30755517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19730284U Pending JPS61112166U (en) | 1984-12-27 | 1984-12-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61112166U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003254604A (en) | 2002-02-28 | 2003-09-10 | Tgk Co Ltd | Counterflow prevention device |
| JP2007192273A (en) * | 2006-01-18 | 2007-08-02 | Ben:Kk | Drain valve |
-
1984
- 1984-12-27 JP JP19730284U patent/JPS61112166U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003254604A (en) | 2002-02-28 | 2003-09-10 | Tgk Co Ltd | Counterflow prevention device |
| JP2007192273A (en) * | 2006-01-18 | 2007-08-02 | Ben:Kk | Drain valve |