JPH0436614U - - Google Patents
Info
- Publication number
- JPH0436614U JPH0436614U JP7634790U JP7634790U JPH0436614U JP H0436614 U JPH0436614 U JP H0436614U JP 7634790 U JP7634790 U JP 7634790U JP 7634790 U JP7634790 U JP 7634790U JP H0436614 U JPH0436614 U JP H0436614U
- Authority
- JP
- Japan
- Prior art keywords
- opening
- lid
- pressure
- attached
- valve
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 230000001105 regulatory effect Effects 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 1
Description
第１図、第２図は本考案にかかる給水装置用減
圧弁の第１実施例を示す断面図、第３図は上記実
施例の減圧弁特性を示す図、第４図は本考案の第
２実施例を示す断面図、第５図は本考案の第３実
施例を示す断面図、第６図は本考案にかかる給水
装置用減圧弁を給水ポンプと組み合わせて運転す
る方法を示す図、第７図は使用水量Ｊ１，Ｊ２，
Ｊ３と給水ポンプＰの吐出圧力（１次圧力）と給
水装置用減圧弁Ｂの２次圧力の関係を示す図、第
８図は従来の減圧弁の構造を示す概略側断面図、
第９図は第８図に示す油圧用の減圧弁を応用した
水用減圧弁を示す断面図、第１０図は第９図に示
す減圧弁の減圧弁特性を示す図である。
図中、１……第１の開口部、２……第２の開口
部、３……第３の開口部、４……減圧弁本体、５
……蓋、７……スロツトルバルブ、９……弁棒、
１０……釣り合いピストン、１１……オリフイス
、１２……調圧室、２０……調圧弁、である。
1 and 2 are cross-sectional views showing the first embodiment of the pressure reducing valve for water supply equipment according to the present invention, FIG. 3 is a diagram showing the pressure reducing valve characteristics of the above embodiment, and FIG. 5 is a sectional view showing a third embodiment of the present invention; FIG. 6 is a diagram showing a method of operating the pressure reducing valve for a water supply device according to the present invention in combination with a water supply pump; Figure 7 shows the amount of water used J1, J2,
A diagram showing the relationship between J3, the discharge pressure (primary pressure) of the water supply pump P, and the secondary pressure of the pressure reducing valve B for the water supply device, FIG. 8 is a schematic side sectional view showing the structure of a conventional pressure reducing valve,
FIG. 9 is a sectional view showing a water pressure reducing valve that is an application of the hydraulic pressure reducing valve shown in FIG. 8, and FIG. 10 is a diagram showing pressure reducing valve characteristics of the pressure reducing valve shown in FIG. 9. In the figure, 1...first opening, 2...second opening, 3...third opening, 4...pressure reducing valve body, 5
... Lid, 7 ... Throttle valve, 9 ... Valve stem,
10... Balance piston, 11... Orifice, 12... Pressure regulating chamber, 20... Pressure regulating valve.
Claims (1)
開口部を形成し、前記第１の開口部よりポンプ吐
出液が流入し、前記第２の開口部から該液が流出
する構造の減圧弁本体を具備し、 前記第３の開口部には蓋を取り付け、 該減圧弁本体内には弁棒が配置され、該弁棒の
前記第２の開口部側端にはスロツトルバルブを装
着するとともに、第３の開口部側端には該スロツ
トルバルブの直径より小さい径の釣り合いピスト
ンを装着し、 前記弁棒には、前記釣り合いピストンと蓋の間
の調圧室と第２の開口部とを連通せしめるオリフ
イスを貫通せしめ、 前記蓋には前記調圧室の圧力を所定の一定圧力
に維持する調圧弁を取り付けたことを特徴とする
給水装置用減圧弁。[Claims for Utility Model Registration] A first opening, a second opening, and a third opening are formed in three directions, and the pump discharge liquid flows into the first opening and the second opening. A pressure reducing valve main body is provided with a structure in which the liquid flows out from an opening, a lid is attached to the third opening, a valve stem is disposed within the pressure reducing valve main body, and the second pressure reducing valve body of the valve stem is provided with a lid. A throttle valve is attached to the opening side end, and a balancing piston having a diameter smaller than the diameter of the throttle valve is attached to the third opening side end, and the balancing piston and the lid are attached to the valve stem. A water supply characterized in that an orifice that communicates between the pressure regulating chamber and the second opening is passed through the lid, and a pressure regulating valve is attached to the lid to maintain the pressure in the pressure regulating chamber at a predetermined constant pressure. Pressure reducing valve for equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7634790U JPH0737134Y2 (en) | 1990-07-17 | 1990-07-17 | Pressure reducing valve for water supply device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7634790U JPH0737134Y2 (en) | 1990-07-17 | 1990-07-17 | Pressure reducing valve for water supply device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0436614U true JPH0436614U (en) | 1992-03-27 |
| JPH0737134Y2 JPH0737134Y2 (en) | 1995-08-23 |
Family
ID=31617733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7634790U Expired - Lifetime JPH0737134Y2 (en) | 1990-07-17 | 1990-07-17 | Pressure reducing valve for water supply device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0737134Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2023004717A (en) * | 2021-06-28 | 2023-01-17 | 櫻護謨株式会社 | Pressure reducing valve |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8140358B1 (en) | 1996-01-29 | 2012-03-20 | Progressive Casualty Insurance Company | Vehicle monitoring system |
-
1990
- 1990-07-17 JP JP7634790U patent/JPH0737134Y2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2023004717A (en) * | 2021-06-28 | 2023-01-17 | 櫻護謨株式会社 | Pressure reducing valve |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0737134Y2 (en) | 1995-08-23 |