JPH0165052U - - Google Patents
Info
- Publication number
- JPH0165052U JPH0165052U JP1987161664U JP16166487U JPH0165052U JP H0165052 U JPH0165052 U JP H0165052U JP 1987161664 U JP1987161664 U JP 1987161664U JP 16166487 U JP16166487 U JP 16166487U JP H0165052 U JPH0165052 U JP H0165052U
- Authority
- JP
- Japan
- Prior art keywords
- water
- stop valve
- water stop
- valve body
- interposed
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 230000037452 priming Effects 0.000 claims 1
- 238000011144 upstream manufacturing Methods 0.000 claims 1
Landscapes
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Description
第１図は本考案の実施例である要部の断面図、
第２図は消防ポンプの一部の断面図、第３図は消
防ポンプ全体の斜視図を示す。
１……吸水管、２……ポンプケーシング、２ａ
……吸水口部、３……開口、Ａ……止水弁部、４
……逆止弁、５……真空ポンプ、６……ダイヤフ
ラム、７……作動軸、８……弁体、９……ばね。
FIG. 1 is a cross-sectional view of the main parts of an embodiment of the present invention.
FIG. 2 is a sectional view of a part of the fire pump, and FIG. 3 is a perspective view of the entire fire pump. 1... Water suction pipe, 2... Pump casing, 2a
...Water inlet part, 3...Opening, A...Water stop valve part, 4
... Check valve, 5 ... Vacuum pump, 6 ... Diaphragm, 7 ... Operating shaft, 8 ... Valve body, 9 ... Spring.
Claims (1)
口部２ａを設け、該吸水口部２ａの上部側開口３
に止水弁部Ａを連通連設するとともに、該止水弁
部Ａの下流側には逆止弁４を介装した真空ポンプ
５を連通連設して構成する消防ポンプにおいて、
前記止水弁部Ａの上部には前記真空ポンプ５の吸
気作用により作動するダイヤフラム６を介装する
とともに、該ダイヤフラム６に連結した作動軸７
の下端部には、前記開口３からの揚水による正圧
により閉鎖させることができる弁体８を固設し、
前記作動軸７には、前記弁体８の上流側に負圧が
かかる状態で該弁体８を閉鎖側に弾圧付勢するこ
とができるばね９を介装して構成したことを特徴
とする呼び水装置。 A water suction port 2a of the pump casing 2 communicating with the water suction pipe 1 is provided, and an upper opening 3 of the water suction port 2a is provided.
A fire pump configured by having a water stop valve part A communicated with the water stop valve part A, and a vacuum pump 5 having a check valve 4 interposed downstream of the water stop valve part A,
A diaphragm 6 operated by the suction action of the vacuum pump 5 is interposed in the upper part of the water stop valve section A, and an operating shaft 7 connected to the diaphragm 6 is installed.
A valve body 8 that can be closed by positive pressure from water pumped from the opening 3 is fixedly installed at the lower end of the
The actuating shaft 7 is characterized in that a spring 9 is interposed therebetween, which can bias the valve body 8 toward the closing side when negative pressure is applied to the upstream side of the valve body 8. Priming device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987161664U JPH0165052U (en) | 1987-10-22 | 1987-10-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987161664U JPH0165052U (en) | 1987-10-22 | 1987-10-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0165052U true JPH0165052U (en) | 1989-04-26 |
Family
ID=31444804
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987161664U Pending JPH0165052U (en) | 1987-10-22 | 1987-10-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0165052U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0440664U (en) * | 1990-08-06 | 1992-04-07 |
-
1987
- 1987-10-22 JP JP1987161664U patent/JPH0165052U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0440664U (en) * | 1990-08-06 | 1992-04-07 |