CN2385111Y - Double volute electric machine driven pump - Google Patents
Double volute electric machine driven pump Download PDFInfo
- Publication number
- CN2385111Y CN2385111Y CN 99224576 CN99224576U CN2385111Y CN 2385111 Y CN2385111 Y CN 2385111Y CN 99224576 CN99224576 CN 99224576 CN 99224576 U CN99224576 U CN 99224576U CN 2385111 Y CN2385111 Y CN 2385111Y
- Authority
- CN
- China
- Prior art keywords
- pump
- pump housing
- double volute
- impeller
- electric
- 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 - Fee Related
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Abstract
The utility model relates to a motor pump with two volute casings, which is composed of a pump body, a hollow rotor body, and a pump casing. The utility model is characterized in that the pump casing of the utility model is provided with two volute casing extruding chambers which are arranged symmetrically in an angle of 180 DEG; the center of the pump casing is provided with a slide bearing; two outlet flow passages of the two volute casing extruding chambers are arranged in a centripetal axle direction. The utility model effectively eliminates the radial force of an impeller for a pump shaft, and thus, the service life of the pump is extended. The utility model can realize the application of different uses under different environment. The utility model can submerge into liquid and can be used on the ground. The utility model can be used as a vertical pump, a horizontal pump, and an injection pump.
Description
The utility model belongs to a kind of fluid vane pump, particularly a kind of double volute electric-motor pump.
The use of existing fluid pump is to use with electric drilling match.Its defective is that the transmission of power link is many, and motor shaft is connected with coupling with pump shaft, and the concentricity between the two can not get guaranteeing that the temperature rise of motor and the problems such as leakage of water pump all can not be resolved.The axial force of water pump vane, radial force can not be eliminated fully, I declared in 92 years and the patent No. of having authorized is that 92106102.1 multipurpose asynchronous electrical motor centrifugal pump and the application number declared in 98 years are: though the multipurpose motor pump of 98114442.X has solved above-mentioned most of problem, but the radial force of pump shaft fails effectively to be solved, thereby influences the life-span of pump.
The purpose of this utility model provides a kind of double volute electric-motor pump, and this pump not only possesses whole features of foregoing invention patent and application, has also solved the radial force problem of impeller, has eliminated the radial thrust of impeller to pump shaft, thereby has prolonged the life-span of product.
The utility model is to be made of the pump housing, sleeve rotor body and three modules of pump case.The pump housing is a double-layer barrel, radial and axially between the two-layer cylindrical shell be evenly distributed with radial and axial supporting rib respectively, be used for fixing inside and outside cylindrical shell, and the runner of the formation pump housing, the bottom of the pump housing has suction port, inner barrel is provided with positioning spigot, and the stator core of belt coil is fixed in the inner core of the pump housing and with macromolecule insulated enclosure material package, the suction side of the pump housing is provided with sliding bearing; The sleeve rotor body is made of rotor shaft, rotor, thrust slide bearing friction pair, impeller etc., rotor shaft and impeller shaft join together, impeller shaft is fixed on the central axial line of rotor shaft output terminal by the axially mounting muscle, the suction side of rotor shaft is hollow tubular, its output terminal is a toroidal, and the inner chamber of rotor shaft is a center flow channels, and rotor and thrust slide bearing friction pair are housed on the rotor shaft, with key impeller is fixed on the impeller shaft, the thrust slide bearing friction pair with internal thread is fastening.On impeller shaft, have and the corresponding outside thread of the internal thread of thrust slide bearing friction pair, whole sleeve rotor body is that supporting low suspension at the sliding bearing of suction side and output terminal is in stator cavity, the gland of the useful bolt in top of the pump housing, the top of gland is provided with delivery outlet, gland is upper and lower two-layer, middle by radially equally distributed tabular supporting rib connection, and constituting radial runner, its effect is to enter impeller eye after the liquid in liquid in the runner of the pump housing and the sleeve rotor body runner is converged; The pump case and the pump housing connect by the convex-concave seam, and it is firm with bolt, be provided with the double volute delivery chamber in the pump case, be 180 ° of symmetric arrangement, the center of pump case is provided with sliding bearing, two outlet flow of double volute delivery chamber are entad axial arranged, have converged into a common runner exit on the axis of pump, thereby make double volute motor pump intake and delivery outlet with being on the axis.
Owing to adopted such scheme, successfully eliminated the radial thrust of impeller to pump shaft, improved the working state of pump shaft, alleviated the degree of wear of bearing.The advantage that the utility model not only has my preceding 2 inventions has realized the modularization of pump series products and the Highgrade integration of multiple function, and volume is little, and is simple in structure but also eliminated the radial force of pump effectively, thereby prolonged the working life of pump.
Below in conjunction with drawings and Examples the utility model is done detailed explanation.
Fig. 1 is a concrete structure cut-away section schematic representation of the present utility model;
Fig. 2 is the structural representation of the utility model pump case;
Fig. 3 is that the A of Fig. 2 is to view;
Fig. 4 is the plan view of the utility model pump housing.
Among the figure: 1 pump housing, 2 suction side sliding bearings, 3 thrust slide bearing friction pairs, 4 rotors, 5 stators, 6 rotor shafts, 7 glands, 8 pump housing chomas, 9 impellers, 10 keys, 11 pump case chomas, 2 anti-slow pads, 13 tapped thrust slide bearing friction pairs, 14 output terminal sliding bearings, 15 pump cases.
As shown in the figure, the pump housing 1 of double volute electric-motor pump, gland 7, impeller 9, pump case 15 are all made by casting, welding, assembling or modes such as injection moulding, mold pressing with metallic material or nonmetallic material.There is a flanged (FLGD) suction port suction side of the pump housing, be provided with pump housing runner, suction side sliding bearing 2 in the suction port successively, in the pump housing 1, will play the stator core of coil to be depressed into the positioning spigot position of inner barrel, of macromolecule insulated enclosure material stator core and coil made the technical finesse of waterproof, protection against the tide, anticorrosion, shockproof, high-insulation then with pressure.Again gland 7 is pressed into the interior ring seam of the pump housing, loads onto pump housing choma 8, with garden post screw.So far form pump housing module.The rotor shaft 6 of sleeve rotor body, impeller 9, thrust slide bearing friction pair 3 available metal materials or nonmetallic material are made by casting, welding, assembling or modes such as injection moulding, mold pressing, and the assembly process of sleeve rotor body is: successively rotor core 4, thrust slide bearing friction pair 3 are press fit into the precalculated position from the suction side of rotor shaft earlier.Install key 10, impeller 9, anti-slow pad 12 fastening tapped thrust slide bearing friction pairs 13 then successively on the rotor shaft of output terminal, will prevent delaying pad 12 and do anti-slow processing, sleeve rotor phantom piece assembling so far finishes.Be provided with sliding bearing chamber and choma chamber in the double volute pump case, with output terminal sliding bearing 14 bearing chamber of packing into, it is indoor that pump case choma 11 is pressed into choma, after the post screw of garden, promptly finished the assembling of pump case module.
General assembly double volute electric-motor pump of the present utility model is an inner chamber of earlier sleeve rotor phantom piece being put into pump housing module, the suction side of rotor shaft enters the inner chamber of suction side sliding bearing 2, thrust slide bearing friction pair 3 is closely connected with the thrust friction face of suction side sliding bearing 2, sealing gasket is put into the seam of pump housing module, the pump case module is connected by the convex-concave seam with pump housing module, make the impeller shaft of sleeve rotor phantom piece enter the inner chamber of output terminal sliding bearing 14, tapped thrust slide bearing friction pair 13 is closely connected with the thrust friction face of output terminal sliding bearing 14, and the bolt that will be exposed to 8 screws on the pump case then is fastening with nut.So far general assembly of the present utility model is all finished.Sleeve rotor phantom piece is suspended in the airtight cavity that is hedged off from the outer world of pump housing module and pump case module formation under the supporting of suction side sliding bearing 2 and output terminal sliding bearing 14.When electric current being arranged when producing rotating magnetic field in the coil, sleeve rotor phantom piece gets final product rotary work, and the conveyance fluid medium is realized the purpose of fluid vane pump work.
Use the utility model, should make before use to be full of flowing medium in the pump, start then, after sleeve rotor phantom piece rotates, produce low pressure area in the suction side, then form the zone of high pressure at the peripheral runner of the residing double volute delivery chamber of impeller.Flowing medium constantly enters impeller from suction port by pump housing runner, sleeve rotor body runner after impeller eye converges, through the outlet of impeller channel, enter delivery outlet and outside the excavationg pump from two delivery channels of double volute.
The utility model can be used different usage requirements under varying environment, realize the application of different purposes.Can slip under the liquid and use, also can be in Ground Application; Can make vertical pump usefulness, also can make horizontal pump usefulness, Powerpush Unit one jet pump that also can be used as the naval vessel means of transportation is used.
Claims (7)
1. double volute electric-motor pump, it comprises the pump housing, sleeve rotor body and three modules of pump case, it is characterized in that the pump housing is a double-layer barrel, radial and axially between the two-layer cylindrical shell be evenly distributed with radial and axial support bar respectively, become the runner of the pump housing, the bottom of the pump housing has suction port, and the stator core of belt coil is fixed in the inner core of the pump housing and with macromolecule insulated enclosure material package, the suction side of the pump housing is provided with sliding bearing; The sleeve rotor body is by rotor shaft, rotor, the thrust slide bearing friction pair, formations such as impeller, rotor shaft and impeller shaft join together, impeller shaft is fixed on the central axial line of rotor shaft output terminal by the axially mounting muscle, the suction side of rotor shaft is hollow tubular, its output terminal is a toroidal, the inner chamber of rotor shaft is a center flow channels, rotor and thrust slide bearing friction pair are housed on the rotor shaft, with key impeller is fixed on the impeller shaft, and fastening with tapped thrust slide bearing friction pair, whole sleeve rotor body is that supporting low suspension at the sliding bearing of suction side and output terminal is in stator cavity; The gland of the useful bolt in top of the pump housing, the top of gland is provided with delivery outlet, and gland is two-layer up and down, and is middle by radially equally distributed tabular supporting rib connection, and constitutes radial runner; The pump case and the pump housing connect by the convex-concave seam, and use bolton, are provided with the double volute delivery chamber in the pump case, are 180 ° of symmetric arrangement, and the center of pump case is provided with sliding bearing, and two outlet flow of double volute delivery chamber are entad axial arranged.
2. double volute electric-motor pump according to claim 1 is characterized in that the suction port of pump housing bottom is flanged.
3. double volute electric-motor pump according to claim 1 is characterized in that the inner barrel of the pump housing is provided with positioning spigot and sliding bearing chamber.
4. double volute electric-motor pump according to claim 1 is characterized in that being equipped with above the gland choma.
5. double volute electric-motor pump according to claim 1 is characterized in that having on impeller shaft and the corresponding outside thread of the internal thread of thrust slide bearing friction pair.
6. double volute electric-motor pump according to claim 1 is characterized in that being used for fixing on the impeller shaft between the key of impeller and the tapped thrust slide bearing friction pair anti-slow pad is housed.
7. double volute electric-motor pump according to claim 1 is characterized in that being provided with in its double volute pump case sliding bearing chamber and choma chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99224576 CN2385111Y (en) | 1999-07-23 | 1999-07-23 | Double volute electric machine driven pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99224576 CN2385111Y (en) | 1999-07-23 | 1999-07-23 | Double volute electric machine driven pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2385111Y true CN2385111Y (en) | 2000-06-28 |
Family
ID=34014595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99224576 Expired - Fee Related CN2385111Y (en) | 1999-07-23 | 1999-07-23 | Double volute electric machine driven pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2385111Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114876814A (en) * | 2022-04-22 | 2022-08-09 | 浙江理工大学 | Modular shaftless drive deep sea mining mixing and conveying pump |
-
1999
- 1999-07-23 CN CN 99224576 patent/CN2385111Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114876814A (en) * | 2022-04-22 | 2022-08-09 | 浙江理工大学 | Modular shaftless drive deep sea mining mixing and conveying pump |
| CN114876814B (en) * | 2022-04-22 | 2023-09-12 | 浙江理工大学 | Modularized shaftless-driven deep sea mining mixed transportation pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |