JPS6334389U - - Google Patents
Info
- Publication number
- JPS6334389U JPS6334389U JP10786087U JP10786087U JPS6334389U JP S6334389 U JPS6334389 U JP S6334389U JP 10786087 U JP10786087 U JP 10786087U JP 10786087 U JP10786087 U JP 10786087U JP S6334389 U JPS6334389 U JP S6334389U
- Authority
- JP
- Japan
- Prior art keywords
- self
- impeller
- drainer
- centrifugal pump
- priming
- 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
- 229910003460 diamond Inorganic materials 0.000 claims 1
- 239000010432 diamond Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Description
第１図はこの考案に係る自吸式うず巻ポンプの
一実施例の部分縦断面図、第２図は第１図の―
線における略横断面図、第３図は本実施例にお
ける要部拡大図、第４図はダイヤカツト前の第３
図相当図、第５図及び第６図は従来ポンプと本実
施例ポンプとの特性及び自吸性能の比較グラフ。
第７図はこの考案がインペラーの径変化に対応で
きることを示す状態図、第８図は他の一例（１パ
ス構造）の要部拡大図、第９図及び第１０図は本
実施例と他例の特性及び自吸性能の比較グラフ、
第１１図は水切りピンの変形例（水滴形状）を示
す要部拡大図、第１２図は従来の自吸式うず巻ポ
ンプの略横断面図である。
２……水切り、３，３′，３″……インペラー
、８，８′，８″……水切りピン。
Fig. 1 is a partial vertical sectional view of an embodiment of the self-priming centrifugal pump according to this invention, and Fig. 2 is a partial longitudinal sectional view of an embodiment of the self-priming centrifugal pump according to this invention.
3 is an enlarged view of the main parts of this example, and FIG. 4 is a schematic cross-sectional view taken along the line, FIG.
5 and 6 are comparison graphs of the characteristics and self-priming performance of the conventional pump and the pump of this embodiment.
Fig. 7 is a state diagram showing that this invention can accommodate changes in impeller diameter, Fig. 8 is an enlarged view of main parts of another example (one-pass structure), and Figs. 9 and 10 are examples of this embodiment and others. Comparison graph of example characteristics and self-priming performance,
FIG. 11 is an enlarged view of the main part showing a modified example (water droplet shape) of the drain pin, and FIG. 12 is a schematic cross-sectional view of a conventional self-priming centrifugal pump. 2... Drainer, 3, 3', 3''... Impeller, 8, 8', 8''... Drain pin.
Claims (1)
有する自吸式うず巻ポンプにおいて、ダイヤカツ
トによつて減径したインペラーと水切り間で、水
切りの端部近傍において、水切り及びインペラー
との間に各各僅少間隙をあけて円柱形状の水切り
ピンをケーシングカバーに着脱可能に装着したこ
とを特徴とする自吸式うず巻ポンプ。 (2) 水切りピンの中心が水切りの先端と、イン
ペラーの中心との結線上に位置している実用新案
登録請求の範囲第(1)項記載の自吸式うず巻ポン
プ。[Scope of Claim for Utility Model Registration] (1) In a self-priming centrifugal pump having a self-priming function between the impeller and the drainer, between the impeller and the drainer whose diameter has been reduced by a diamond cut, the drainer near the end of the drainer. A self-priming centrifugal pump characterized in that a cylindrical drainage pin is removably attached to a casing cover with a slight gap between the pump and the impeller. (2) The self-priming centrifugal pump according to claim 1, wherein the center of the drain pin is located on the connection between the tip of the drain pin and the center of the impeller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987107860U JPH053757Y2 (en) | 1987-07-14 | 1987-07-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987107860U JPH053757Y2 (en) | 1987-07-14 | 1987-07-14 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6334389U true JPS6334389U (en) | 1988-03-05 |
| JPH053757Y2 JPH053757Y2 (en) | 1993-01-28 |
Family
ID=30984525
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987107860U Expired - Lifetime JPH053757Y2 (en) | 1987-07-14 | 1987-07-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH053757Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH068798U (en) * | 1992-07-01 | 1994-02-04 | 株式会社寺田ポンプ製作所 | Amphibious pump |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57137798U (en) * | 1981-02-23 | 1982-08-28 |
-
1987
- 1987-07-14 JP JP1987107860U patent/JPH053757Y2/ja not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57137798U (en) * | 1981-02-23 | 1982-08-28 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH068798U (en) * | 1992-07-01 | 1994-02-04 | 株式会社寺田ポンプ製作所 | Amphibious pump |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH053757Y2 (en) | 1993-01-28 |
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