JPS61118997U - - Google Patents
Info
- Publication number
- JPS61118997U JPS61118997U JP273285U JP273285U JPS61118997U JP S61118997 U JPS61118997 U JP S61118997U JP 273285 U JP273285 U JP 273285U JP 273285 U JP273285 U JP 273285U JP S61118997 U JPS61118997 U JP S61118997U
- Authority
- JP
- Japan
- Prior art keywords
- pump
- tightening nut
- impeller
- pump shaft
- boss portion
- 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図は本考案に係るポンプ用羽根車の軸固定
装置を示した要部縦断側面図、第２図は第１図の
Ａ―Ａ線における横断平面図、第３図は本考案装
置における羽根車ボス部の表面図、第４図は第３
図のＢ―Ｂ線における縦断側面図、第５図は本考
案装置における締付ナツトの裏面図、第６図は第
５図のＣ―Ｃ線における縦断側面図である。第７
図は従来におけるポンプ用羽根車の軸固定装置を
示した要部縦断側面図、第８図は第７図のＤ―Ｄ
線における横断平面図、第９図は従来の装置にお
ける羽根車ボス部の縦断側面図、第１０図は第９
図のＥ―Ｅ線における横断平面図、第１１図は従
来の装置におけるポンプ軸の要部の縦断側面図、
第１２図は第１１図のＦ―Ｆ線における横断平面
図である。
１……ポンプ軸、２……羽根車、３……ボス部
、４……締付ナツト、５……傾斜状嵌合周接面。
Fig. 1 is a longitudinal cross-sectional side view of the main parts of the pump impeller shaft fixing device according to the present invention, Fig. 2 is a cross-sectional plan view taken along line A-A in Fig. 1, and Fig. 3 is a cross-sectional view of the pump impeller shaft fixing device according to the present invention. Surface view of the impeller boss part, Figure 4 is the 3rd
FIG. 5 is a back view of the tightening nut in the device of the present invention, and FIG. 6 is a longitudinal side view taken along line CC in FIG. 5. 7th
The figure is a vertical sectional side view of the main part showing a conventional pump impeller shaft fixing device, and Figure 8 is D-D of Figure 7.
9 is a longitudinal sectional side view of the impeller boss in a conventional device, and FIG.
11 is a longitudinal sectional side view of the main part of the pump shaft in the conventional device,
FIG. 12 is a cross-sectional plan view taken along line FF in FIG. 11. DESCRIPTION OF SYMBOLS 1... Pump shaft, 2... Impeller, 3... Boss portion, 4... Tightening nut, 5... Inclined fitting circumferential surface.
Claims (1)
、ポンプ軸１の先端部より螺装される締付ナツト
４との対向面間において、ボス部３側を凹状とな
し締付ナツト４側を凸状とする傾斜状嵌合周接面
５を形成せしめ、ポンプ軸１に螺装せられた締付
ナツト４を軸方向に締付けることにより上記傾斜
状嵌合周接面５が楔作用で圧接せられるよう構成
したポンプ用羽根車の軸固定装置。 Between the facing surfaces of the boss portion 3 of the impeller 2 fitted into the pump shaft 1 and the tightening nut 4 screwed from the tip of the pump shaft 1, the boss portion 3 side is made concave and the tightening nut 4 is An inclined circumferential fitting surface 5 having a convex side is formed, and by tightening the tightening nut 4 screwed onto the pump shaft 1 in the axial direction, the inclined circumferential fitting surface 5 acts as a wedge. A shaft fixing device for a pump impeller configured so that it can be pressed into contact with the pump impeller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP273285U JPS61118997U (en) | 1985-01-11 | 1985-01-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP273285U JPS61118997U (en) | 1985-01-11 | 1985-01-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61118997U true JPS61118997U (en) | 1986-07-26 |
Family
ID=30476688
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP273285U Pending JPS61118997U (en) | 1985-01-11 | 1985-01-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61118997U (en) |
-
1985
- 1985-01-11 JP JP273285U patent/JPS61118997U/ja active Pending