CN203641032U - Submersible electric pump with flange-type thin-wall inner bore cutting-free electric motor casing - Google Patents
Submersible electric pump with flange-type thin-wall inner bore cutting-free electric motor casing Download PDFInfo
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- CN203641032U CN203641032U CN201320744064.3U CN201320744064U CN203641032U CN 203641032 U CN203641032 U CN 203641032U CN 201320744064 U CN201320744064 U CN 201320744064U CN 203641032 U CN203641032 U CN 203641032U
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- motor casing
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Abstract
A submersible electric pump with a flange-type thin-wall inner bore cutting-free electric motor casing is mainly formed by an electric motor and a pump, wherein the pump is arranged at the lower part; the electric motor is arranged above the pump; the pump is composed of a mounting volute and a pump cover; an impeller is mounted inside the volute through a motor shaft; the upper end of the volute is mounted on the pump cover through bolts; a sewage barrier is fixed onto the lower end of the volute through bolts; the volute is provided with a water outlet joint; the electric motor comprises the motor shaft, a stator and a rotor which are all arranged inside the electric motor casing; the upper end of the motor shaft is mounted on an upper bearing seat through an upper bearing; the lower end of the motor shaft is connected with the impeller; the middle part of the motor shaft is mounted on a lower bearing seat through a bearing; the lower bearing seat is fixed onto the pump cover through bolts; a top cover is fixed onto the upper bearing seat through bolts; a cable is mounted on the upper cover through outlet nuts; the lower bearing seat and the upper bearing seat are fixedly connected with flange plates on two ends of the electric motor casing through bolts respectively. The submersible electric pump is relatively simple in structure, easy to mount and dismount, small in occupied space, and light in weight.
Description
Technical field
The utility model belongs to submersible pump technical field, relates to a kind of flange-type thin-walled without cutting internal hole motor casing Submerged Motor Pumps.
Background technique
Submerged Motor Pumps is to join with motor the pump that pulls the plug and draw water together, is generally made up of the pump housing, lifting pipe, pump seat, submersible motor and starting guard equipment.Popular saying is exactly the machinery of the conveying liquid that unites two into one of a kind of pump and motor, is a kind of broad-spectrum water treatment instrument, no matter is that Submerged Motor Pumps does not exist nowhere in agricultural production or industrial processes.With regard to working medium, submersible pump can be divided into clear water submersible pump, sewage submersible pump and seawater submersible pump three classes substantially, and its application is very extensive.But the motor casing of Submerged Motor Pumps is mostly to adopt casting or Plate Steel to be welded at present, adopts the wall thickness after casting to be generally not less than 8mm, adopt the wall thickness after Plate Steel welding to be generally not less than 6mm.Above-mentioned motor casing wall thickness after machining is not less than 4mm.Because wall thickness is thicker, have a strong impact on the heat radiation of Submerged Motor Pumps in water, cause electric machine temperature rise higher, reduce the operational safety of Submerged Motor Pumps.In addition, because wall thickness is thicker, make the weight of Submerged Motor Pumps heavier, raw material are wasted, increase machining period, cost is higher, for overcoming welding or the existing deficiency of casting motor casing, there is at present the motor casing submersible pump that direct employing steel plate rolls, this submersible pump is to adopt some pull bars to be connected with top cover and the step at motor two ends in motor casing surrounding, to fix and sealed electric-motor, although this Submerged Motor Pumps can overcome the existing deficiency of existing motor casing, but owing to adopting pull bar fixed form, increase the volume of submersible pump, take unnecessary space, comparatively inconvenience of pull bar fitting operation simultaneously, therefore existing pull-rod type thin-walled motor casing is needed further improvement.
Model utility content
For addressing the above problem, the utility model provides a kind of flange-type thin-walled without cutting internal hole motor casing Submerged Motor Pumps.
The purpose of this utility model is achieved by following technical solution:
A kind of flange-type thin-walled without cutting internal hole motor casing Submerged Motor Pumps, mainly formed by motor and pump, described pump is placed in bottom, motor is positioned at pump top, described pump is by volute and pump cover are installed) form, in volute, by motor shaft, impeller is installed, the upper end of volute is arranged on pump cover by bolt, lower end has been bolted dirty fence, on volute, be provided with water output connector, described motor comprises the motor shaft that is placed in motor casing inside, stator and rotor, the upper end of described motor shaft is arranged on upper bearing bracket by upper bearing, lower end is connected with impeller, middle part is arranged on step by middle part bearing, described step is bolted on pump cover, upper axis bearing has been bolted top cover, on top cover, by outlet nut, cable is installed, described step and upper bearing bracket are connected and fixed by the flange plate at bolt and motor casing two ends respectively.
Described motor casing is made up of cylindrical shell and the flange plate that is arranged at cylindrical shell two ends, is provided with some mounting holes on flange plate.
Described cylindrical shell adopts thickness to be less than or equal to the metal foil welding fabrication of 4mm.
Described upper bearing and middle part bearing all adopt deep groove ball bearing.
Bearing below, described middle part is provided with lower bearing, and lower bearing is thrust ball bearing.
Described upper bearing top is provided with oil sealing cap.
Described motor shaft lower end is connected with impeller by parallel key.
On described motor shaft, between pump cover and impeller, be provided with plain washer.
Described motor casing inside is provided with lining, and this lining is between stator and step.
Described top cover is provided with handle.
The beneficial effects of the utility model are:
Compared with prior art, the utility model adopts thickness to be less than or equal to the sheet metal welding fabrication processing motor casing of 4mm, and after welding, wall thickness does not need reprocessing, has overcome the existing deficiency that adopts the motor casing that casting or Plate Steel be welded.Be connected with step and upper bearing bracket by flange plate respectively at motor casing two ends simultaneously, thereby fixing and sealed electric-motor, structure is simpler, be easy to dismounting, and with boltsly take up room littlely, the external volume of submersible pump is reduced, thereby further reduce the weight of submersible pump, reduce spillage of material, reduce the user cost of pump.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation;
Fig. 2 is the structural representation of motor casing in the utility model.
In figure: 1-water output connector, 2-step, 3-motor casing, 4-stator, 5-lining, 6-upper bearing bracket, 7-top cover, 8-handle, 9-cable, 10-outlet nut, 11-oil sealing cap, 12-upper bearing, 13-bolt, 14-rotor, 15-middle part bearing, 16-lower bearing, 17-pump cover, 18-impeller, 19-volute, 20-drain grating, 21-plain washer, 22-parallel key, 23-motor shaft, 301-cylindrical shell, 302-flange plate, 303-mounting hole.
Embodiment
Further describe the technical solution of the utility model below in conjunction with accompanying drawing, but described in claimed scope is not limited to.
As Fig. 1, shown in Fig. 2, a kind of flange-type thin-walled without cutting internal hole motor casing Submerged Motor Pumps, mainly formed by motor and pump, described pump is placed in bottom, motor is positioned at pump top, it is characterized in that: described pump is by volute 19 being installed and pump cover 17 forms, in volute 19, by motor shaft 23, impeller 18 is installed, the upper end of volute 19 is arranged on pump cover 17 by bolt, lower end has been bolted dirty fence 20, on volute 19, be provided with water output connector 1, described motor comprises the motor shaft 23 that is placed in motor casing 3 inside, stator 4 and rotor 14, the upper end of described motor shaft 23 is arranged on upper bearing bracket 6 by upper bearing 12, lower end is connected with impeller 18, middle part is arranged on step 2 by middle part bearing 15, described step 2 is bolted on pump cover 17, upper axis bearing 6 has been bolted top cover 7, on top cover 7, by outlet nut 10, cable 9 is installed, described step 2 and upper bearing bracket 6 are connected and fixed by bolt 13 and the flange plate 302 at motor casing 3 two ends respectively.
Described motor casing 3 is made up of cylindrical shell 301 and the flange plate 302 that is arranged at cylindrical shell 301 two ends, is provided with some mounting holes 303 on flange plate 302.
Described cylindrical shell 302 adopts thickness to be less than or equal to the metal foil welding fabrication of 4mm.
Described upper bearing 12 and middle part bearing 15 all adopt deep groove ball bearing.
Bearing 15 belows, described middle part are provided with lower bearing 16, and lower bearing 16 is thrust ball bearing.
Described upper bearing 12 tops are provided with oil sealing cap 11.
Described motor shaft 23 lower ends are connected with impeller 18 by parallel key 22.
On described motor shaft 23, between pump cover 17 and impeller 18, be provided with plain washer 21.
Described motor casing 3 inside are provided with lining 5, and this lining 5 is between stator 4 and step 2.
Described top cover 7 is provided with handle 8.Be convenient to carrying.
Claims (10)
1. a flange-type thin-walled without cutting internal hole motor casing Submerged Motor Pumps, mainly formed by motor and pump, described pump is placed in bottom, motor is positioned at pump top, it is characterized in that: described pump is by volute (19) being installed and pump cover (17) forms, in volute (19), by motor shaft (23), impeller (18) is installed, the upper end of volute (19) is arranged on pump cover (17) by bolt, lower end has been bolted dirty fence (20), on volute (19), be provided with water output connector (1), described motor comprises the motor shaft (23) that is placed in motor casing (3) inside, stator (4) and rotor (14), the upper end of described motor shaft (23) is arranged on upper bearing bracket (6) by upper bearing (12), lower end is connected with impeller (18), middle part is arranged on step (2) by middle part bearing (15), described step (2) is bolted on pump cover (17), upper axis bearing (6) has been bolted top cover (7), above by outlet nut (10), cable (9) is installed at top cover (7), described step (2) and upper bearing bracket (6) are connected and fixed by bolt (13) and the flange plate (302) at motor casing (3) two ends respectively.
2. a kind of flange-type thin-walled without cutting internal hole motor casing Submerged Motor Pumps according to claim 1, it is characterized in that: described motor casing (3) is made up of cylindrical shell (301) and the flange plate (302) that is arranged at cylindrical shell (301) two ends, is provided with some mounting holes (303) on flange plate (302).
3. a kind of flange-type thin-walled without cutting internal hole motor casing Submerged Motor Pumps according to claim 2, is characterized in that: described cylindrical shell (302) adopts thickness to be less than or equal to the metal foil welding fabrication of 4mm.
4. a kind of flange-type thin-walled without cutting internal hole motor casing Submerged Motor Pumps according to claim 1, is characterized in that: described upper bearing (12) and middle part bearing (15) all adopt deep groove ball bearing.
5. a kind of flange-type thin-walled without cutting internal hole motor casing Submerged Motor Pumps according to claim 1, is characterized in that: described middle part bearing (15) below is provided with lower bearing (16), and lower bearing (16) is thrust ball bearing.
6. a kind of flange-type thin-walled without cutting internal hole motor casing Submerged Motor Pumps according to claim 1, is characterized in that: described upper bearing (12) top is provided with oil sealing cap (11).
7. a kind of flange-type thin-walled without cutting internal hole motor casing Submerged Motor Pumps according to claim 1, is characterized in that: described motor shaft (23) lower end is connected with impeller (18) by parallel key (22).
8. a kind of flange-type thin-walled without cutting internal hole motor casing Submerged Motor Pumps according to claim 1, is characterized in that: on described motor shaft (23), be positioned between pump cover (17) and impeller (18) and be provided with plain washer (21).
9. a kind of flange-type thin-walled without cutting internal hole motor casing Submerged Motor Pumps according to claim 1, is characterized in that: described motor casing (3) inside is provided with lining (5), and this lining (5) is positioned between stator (4) and step (2).
10. a kind of flange-type thin-walled without cutting internal hole motor casing Submerged Motor Pumps according to claim 1, is characterized in that: described top cover (7) is provided with handle (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320744064.3U CN203641032U (en) | 2013-11-22 | 2013-11-22 | Submersible electric pump with flange-type thin-wall inner bore cutting-free electric motor casing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320744064.3U CN203641032U (en) | 2013-11-22 | 2013-11-22 | Submersible electric pump with flange-type thin-wall inner bore cutting-free electric motor casing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203641032U true CN203641032U (en) | 2014-06-11 |
Family
ID=50872281
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320744064.3U Expired - Fee Related CN203641032U (en) | 2013-11-22 | 2013-11-22 | Submersible electric pump with flange-type thin-wall inner bore cutting-free electric motor casing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203641032U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110529398A (en) * | 2019-09-30 | 2019-12-03 | 郑建兵 | The explosion-proof sewage dirt submersible pump of oil immersed type |
| CN111817479A (en) * | 2020-06-11 | 2020-10-23 | 广东加奇泵业有限公司 | Sewage submersible pump |
-
2013
- 2013-11-22 CN CN201320744064.3U patent/CN203641032U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110529398A (en) * | 2019-09-30 | 2019-12-03 | 郑建兵 | The explosion-proof sewage dirt submersible pump of oil immersed type |
| CN111817479A (en) * | 2020-06-11 | 2020-10-23 | 广东加奇泵业有限公司 | Sewage submersible pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140611 Termination date: 20161122 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |