JPH01176786U - - Google Patents
Info
- Publication number
- JPH01176786U JPH01176786U JP7375388U JP7375388U JPH01176786U JP H01176786 U JPH01176786 U JP H01176786U JP 7375388 U JP7375388 U JP 7375388U JP 7375388 U JP7375388 U JP 7375388U JP H01176786 U JPH01176786 U JP H01176786U
- Authority
- JP
- Japan
- Prior art keywords
- valve body
- impeller
- water level
- supply passage
- pump
- 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
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Description
第１図は本考案に係る立軸ポンプの一実施例を
示す側面図、第２図は同要部の拡大縦断面図、第
３図は同弁体と空気供給通路との関係の一例を示
す拡大縦断面図、第４図は第２実施例の拡大縦断
面図である。
１……羽根車、１Ａ……吸込口、３……吸込ベ
ルマウス、８……空気供給通路、１１……弁体、
１２……弁体作動源、ＬＷＬ……最低水位レベル
。
Fig. 1 is a side view showing an embodiment of the vertical shaft pump according to the present invention, Fig. 2 is an enlarged vertical sectional view of the main parts, and Fig. 3 is an example of the relationship between the valve body and the air supply passage. FIG. 4 is an enlarged longitudinal sectional view of the second embodiment. 1... Impeller, 1A... Suction port, 3... Suction bell mouth, 8... Air supply passage, 11... Valve body,
12... Valve body operating source, LWL... Lowest water level.
Claims (1)
を吸込んでしまう最低水位レベルに相当するポン
プ固有のポンプ特定部位より上方位置に羽根車を
配設し、吸込ベルマウスの先端を前記最低水位レ
ベルに対し必要十分なだけ没水する位置に配し、
前記羽根車を固着したポンプ主軸の縦軸に沿つて
羽根車の吸込口に空気を供給する空気供給通路が
設けられ、この空気供給通路の入口を開閉する弁
体が設けられるとともに、該弁体を弁体作動源に
連結したことを特徴とする立軸ポンプ。 An impeller is disposed above a specific part of the pump that corresponds to the minimum water level below which air will be sucked in if the submerged water level of the suction bell mouth is below this level, and the tip of the suction bell mouth is brought to the minimum water level. In contrast, it is placed in a position where it can be submerged in water as much as necessary.
An air supply passage for supplying air to the suction port of the impeller is provided along the vertical axis of the pump main shaft to which the impeller is fixed, and a valve body for opening and closing the entrance of the air supply passage is provided, and the valve body A vertical shaft pump characterized in that: is connected to a valve body operating source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7375388U JPH01176786U (en) | 1988-06-02 | 1988-06-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7375388U JPH01176786U (en) | 1988-06-02 | 1988-06-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01176786U true JPH01176786U (en) | 1989-12-18 |
Family
ID=31298885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7375388U Pending JPH01176786U (en) | 1988-06-02 | 1988-06-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01176786U (en) |
-
1988
- 1988-06-02 JP JP7375388U patent/JPH01176786U/ja active Pending