CN203175884U - High-lift submersible pump - Google Patents
High-lift submersible pump Download PDFInfo
- Publication number
- CN203175884U CN203175884U CN 201220623574 CN201220623574U CN203175884U CN 203175884 U CN203175884 U CN 203175884U CN 201220623574 CN201220623574 CN 201220623574 CN 201220623574 U CN201220623574 U CN 201220623574U CN 203175884 U CN203175884 U CN 203175884U
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- CN
- China
- Prior art keywords
- rotating shaft
- motor
- bearing
- spindle
- impeller
- 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.)
- Expired - Lifetime
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Abstract
The utility model relates to a high-lift submersible pump. The high-lift submersible pump comprises a motor upper end cover, bearings, a spindle, a motor lower end cover, a impeller, and a pump body, wherein the motor upper end cover and the motor lower end cover are respectively disposed at an upper side and a lower side of the pump body; the spindle is disposed in the pump body, and both an upper end and a lower end of the spindle are provided with bearings; the bearing at the upper end of the spindle is fixed on the motor upper end cover; the bearing at the lower end of the spindle is fixed on the motor lower end cover; the spindle is fixed by the bearings at upper and lower ends of the spindle, so that the spindle is prevented from moving axially; and the impeller is disposed at a lower end of the spindle and located at a lower part of the motor lower end cover. The high-lift submersible pump guarantees that an axial gap between the impeller and a volute housing is in a range of 0.4 mm to 0.6 mm, due to the bearings that fix the upper end and the lower end of the spindle and clamp the spindle to prevent the spindle from axially moving, and the high-lift submersible pump is capable of making particles having a diameter in a range of 15 mm to 20 mm go through the impeller, thereby improving efficiency of the impeller.
Description
Technical field
The utility model relates to a kind of fixed structure of main shaft, and particularly a kind of high-lift submersible pump that can prevent the rotating shaft axial float belongs to water pump class device technique field.
Background technique
The fixed structure of the rotating shaft of the motor of general small-sized submersible pump, be in rotating shaft end ring 13 to be set, again bearing 12 is arranged on a side of end ring 13, and in the bearing chamber of rear end cover 10, put into corrugated gasket 11, and bearing 12 packed in the bearing chamber of rear end cover 10, adjust the axial clearance of rotating shafts by corrugated gasket 11; Because corrugated gasket has very big elasticity, the impeller of submersible pump and the clearance distance of volute can not accurately be controlled, and general gap has reduced the efficient of impeller in 2 to 3 millimeter.
The model utility content
The utility model purpose is that a kind of high-lift submersible pump that can prevent the rotating shaft axial float is provided in order to overcome the deficiencies in the prior art.
For achieving the above object, the technical solution adopted in the utility model is: a kind of high-lift submersible pump comprises motor upper cover, bearing, rotating shaft, motor lower end cap, impeller, the pump housing; Described motor upper cover and motor lower end cap are separately positioned on upside and the downside of the pump housing; Described rotating shaft is arranged in the pump housing, is equipped with bearing on the two ends up and down of rotating shaft; The bearing fixing of described rotating shaft upper end is on motor upper cover; The bearing fixing of described rotating shaft lower end is on the motor lower end cap; Rotating shaft is fixed in the described rotating shaft bearing at two ends up and down, and rotating shaft can't be moved in the axial direction; Described impeller is arranged on the lower end of rotating shaft, is positioned on the position of motor lower end cap downside.
Preferably, described motor upper cover is provided with fixedly compressing tablet; Described fixedly compressing tablet is fixed on the motor upper cover by screw; The bearing fixing of described rotating shaft upper end is at motor upper cover with fixedly between the compressing tablet.
Preferably, be provided with end ring between the bearing on the described rotating shaft and the motor upper cover.
Preferably, be provided with end ring between the bearing of described rotating shaft lower end and the motor lower end cap.
Preferably, the axial clearance of described impeller and the pump housing is arranged between 0.4 millimeter to 0.6 millimeter.
Preferably, in the described impeller can be 15 millimeters to 20 millimeters particle by diameter.
Because the utilization of technique scheme, the utility model compared with prior art has following advantage:
The high-lift submersible pump of the utility model scheme, the bearing of rotating shaft top and bottom is separately fixed on motor upper cover and the motor lower end cap, because motor upper cover and motor lower end cap are fixed, so bearing fixing of rotating shaft top and bottom, and with rotating axis locking, make the rotating shaft can't axial float, guaranteed that the axial clearance of impeller and the pump housing is arranged between 0.4 millimeter to 0.6 millimeter, and to make in the impeller can be 15 millimeters to 20 millimeters particle by diameter, improved the efficient of impeller.
Description of drawings
Below in conjunction with accompanying drawing technical solutions of the utility model are described further:
Accompanying drawing 1 is the partial sectional view of a kind of high-lift submersible pump of the present utility model;
Accompanying drawing 2 is the partial sectional view of the background technique of a kind of high-lift submersible pump of the present utility model;
Wherein: 1, screw; 2, motor upper cover; 3, end ring; 4, bearing; 5, fixing compressing tablet; 6, rotating shaft; 7, motor lower end cap; 8, impeller; 9, the pump housing.
Embodiment
The utility model is described in further detail below in conjunction with drawings and the specific embodiments.
Accompanying drawing 1 is a kind of high-lift submersible pump described in the utility model, comprises motor upper cover 2, bearing 4, rotating shaft 6, motor lower end cap 7, impeller 8, the pump housing 9; Described motor upper cover 2 and motor lower end cap 7 are separately positioned on upside and the downside of the pump housing 9; Described rotating shaft 6 is arranged in the pump housing 9, is equipped with bearing 4 on the two ends up and down of rotating shaft 6; Described motor upper cover 2 is provided with fixedly compressing tablet 5; Described fixedly compressing tablet 5 is fixed on the motor upper cover 2 by screw 1; The bearing 4 of described rotating shaft 6 upper ends is fixed on motor upper cover 2 and fixedly between the compressing tablet 5; Be provided with end ring 3 between the bearing 4 of described rotating shaft 6 upper ends and the motor upper cover 2; The bearing 4 of described rotating shaft 6 lower ends is arranged on the motor lower end cap 7; Be provided with end ring 3 between the bearing 4 of described rotating shaft 6 lower ends and the motor lower end cap 7; The diameter of the part of described rotating shaft 6 between the bearing 4 of top and bottom is greater than other part; The bearing 4 at described rotating shaft two ends about in the of 6 blocks rotating shaft 6 in the part between two bearings 4 up and down, rotating shaft 6 can't be moved in the axial direction; Described impeller 8 is arranged on the lower end of rotating shaft 6, is positioned on the position of motor lower end cap 7 downsides; Described impeller 8 is set at 0.5 millimeter with the axial clearance of the pump housing 9.
Because the utilization of technique scheme, the utility model compared with prior art has following advantage:
The high-lift submersible pump of the utility model scheme, the bearing 4 of rotating shaft 6 top and bottom is separately fixed on motor upper cover 2 and the motor lower end cap 7, because motor upper cover 2 and motor lower end cap 7 are fixing, therefore the bearing 4 of rotating shaft 6 top and bottom is fixing, and rotating shaft 6 blocked, make the rotating shaft 6 can't axial float, guaranteed that the axial clearance of impeller 8 and volute 9 is between 0.4 millimeter to 0.6 millimeter, and to make in the impeller 8 can be 15 millimeters to 20 millimeters particle by diameter, improved the efficient of impeller 8.
Below only be concrete exemplary applications of the present utility model, protection domain of the present utility model is not constituted any limitation.All employing equivalents or equivalence are replaced and the technological scheme of formation, all drop within the utility model rights protection scope.
Claims (6)
1. a high-lift submersible pump is characterized in that: comprise motor upper cover (2), bearing (4), rotating shaft (6), motor lower end cap (7), impeller (8), the pump housing (9); Described motor upper cover (2) and motor lower end cap (7) are separately positioned on upside and the downside of the pump housing (9); Described rotating shaft (6) is arranged in the pump housing (9), is equipped with bearing (4) on the two ends up and down of rotating shaft (6); The bearing (4) of described rotating shaft (6) upper end is fixed on the motor upper cover (2); The bearing (4) of described rotating shaft (6) lower end is fixed on the motor lower end cap (7); Described rotating shaft (6) bearing at two ends (4) up and down is fixing with rotating shaft (6), and rotating shaft (6) can't be moved in the axial direction; Described impeller (8) is arranged on the lower end of rotating shaft (6), is positioned on the position of motor lower end cap (7) downside.
2. according to claim 1 described high-lift submersible pump, it is characterized in that: described motor upper cover (2) is provided with fixedly compressing tablet (5); Described fixedly compressing tablet (5) is fixed on the motor upper cover (2) by screw (1); The bearing (4) of described rotating shaft (6) upper end is fixed on motor upper cover (2) and fixedly between the compressing tablet (5).
3. according to claim 1 described high-lift submersible pump, it is characterized in that: be provided with end ring (3) between the bearing (4) of described rotating shaft (6) upper end and the motor upper cover (2).
4. according to claim 1 described high-lift submersible pump, it is characterized in that: be provided with end ring (3) between the bearing (4) of described rotating shaft (6) lower end and the motor lower end cap (7).
5. according to claim 1 described high-lift submersible pump, it is characterized in that: the axial clearance of described impeller (8) and the pump housing (9) is arranged between 0.4 millimeter to 0.6 millimeter.
6. according to claim 1 described high-lift submersible pump, it is characterized in that: the particle that in the described impeller (8) can be 15 millimeters to 20 millimeters by diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220623574 CN203175884U (en) | 2012-11-23 | 2012-11-23 | High-lift submersible pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220623574 CN203175884U (en) | 2012-11-23 | 2012-11-23 | High-lift submersible pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203175884U true CN203175884U (en) | 2013-09-04 |
Family
ID=49072587
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220623574 Expired - Lifetime CN203175884U (en) | 2012-11-23 | 2012-11-23 | High-lift submersible pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203175884U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102937098A (en) * | 2012-11-23 | 2013-02-20 | 苏州优德通力电气有限公司 | High-lift submerged pump |
-
2012
- 2012-11-23 CN CN 201220623574 patent/CN203175884U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102937098A (en) * | 2012-11-23 | 2013-02-20 | 苏州优德通力电气有限公司 | High-lift submerged pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: Cheng lake road Wuzhong Economic Development Zone of Suzhou City, Jiangsu Province, No. 7 215000 Patentee after: GP Enterprises Co.,Ltd. Address before: Cheng lake road Wuzhong Economic Development Zone of Suzhou City, Jiangsu Province, No. 7 215128 Patentee before: GP ENTERPRISES Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130904 |