CN2592906Y - Magnetic driving pump - Google Patents
Magnetic driving pump Download PDFInfo
- Publication number
- CN2592906Y CN2592906Y CN 03201888 CN03201888U CN2592906Y CN 2592906 Y CN2592906 Y CN 2592906Y CN 03201888 CN03201888 CN 03201888 CN 03201888 U CN03201888 U CN 03201888U CN 2592906 Y CN2592906 Y CN 2592906Y
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- CN
- China
- Prior art keywords
- pump
- impeller
- cover
- shaft
- magnetic force
- 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 magnetic force driving pump, which is composed of a motor, a base, a magnetic force shaft coupling, and a pump body. The utility model is characterized in that a middle body, an outer magnetic rotor, an inner magnetic rotor, and an insulation sleeve are arranged on the magnetic force shaft coupling; a pump shell, a pump cover, an impeller, a pump shaft, an outer shaft sleeve, and an inner shaft sleeve are arranged on the pump body. The utility model has the advantages that the utility model can effectively balance the axial force which is generated due to the different pressure difference of a front and a back cover plates of the impeller and the two sides of the cooling liquid in the inner magnetic rotor; the utility model can cool the temperature rise of the insulation sleeve generated in the process of operation by the self cooling structure; because an axial center hole of the pump shaft is designed into a counterbore, the utility model eliminates the interference of the flow state of an inlet of the pump from the cooling liquid and enhances the performance of the pump. The utility model is widely used for transmitting inflammable, explosive, toxic, and harmful liquid in the industry.
Description
One, technical field
The utility model relates to a kind of pump of carrying liquid, particularly a kind of pump of carrying inflammable, explosive, poisonous, harmful liquid, i.e. magnetic force driving pump.
Two, background technique
Present coaxial plate magnetic force driving pump makes certain parts produce heat owing to the reason of its structure is easy to generate additional axial force easily, and temperature raises, particularly can burn out magnet steel, cause the magnet steel demagnetization, pump is damaged, can not normally use, this is the deficiency of existing magnetic force driving pump.
Three, summary of the invention
The purpose of this utility model is a kind of magnetic force driving pump of invention, and this magnetic force driving pump adopts the pressure regulating cavity of impeller and pump cover composition, is provided with gap delta 1, δ 2 between impeller, pump case and pump cover, can automatically balancing axial force; This magnetic force driving pump adopts good cooling construction, can prevent temperature rise effectively, prevents that magnet steel from burning out, and prevents the damage of pump, improves the working life of pump; The coaxial circles column type magnetic coupling that magnet rotor and outer magnet rotor were formed in this magnetic force driving pump adopted comes transmitting torque, is provided with separation sleeve in the middle of inside and outside magnet rotor, thereby can carries inflammable, explosive and harmful liquid.
The purpose of this utility model can reach by following embodiment: this pump is made up of motor, base, magnetic coupling and the pump housing, and motor, base are with existing magnetic force driving pump, and its characteristics are embodied on the magnetic coupling and the pump housing.Magnetic coupling is made of intermediate, outer magnet rotor, interior magnet rotor and separation sleeve, the intermediate right-hand member connects by the pallet on bolt, nut and the motor shaft head shell, left end is connected with pump case, pump cover by seam, outer magnet rotor is located on the interior motor shaft head of intermediate, interior magnet rotor is located at the right-hand member of pump shaft, be connected as a single entity by two big nuts on pump shaft and the pump shaft and impeller, on the separation sleeve on pump cover.The pump housing is made of pump case, pump cover, impeller, pump shaft, external axle sleeve and internal axle sleeve, and pump cover is in the left side of interior magnet rotor, and there is separation sleeve on the pump cover right side, separation sleeve by on the screw at the pump cover right-hand member.Pump case is connected with pump cover by seam, and pump case forms cavity in the left side of pump cover between pump case and the pump cover, and impeller is installed in the left end of pump shaft in this cavity, and there are external axle sleeve and internal axle sleeve in the pump shaft stage casing on the position of pump cover.
The utility model pump case and pump cover and impeller contacting point are provided with preoral loop and back choma, between impeller and pump case and the pump cover and form gap delta 1 and δ 2.
The center of the utility model pump shaft is provided with immerses oneself in axial bore, and this is immersed oneself in axial bore and communicates with radial hole in the middle of the pump shaft.
Offer port hole on the utility model pump cover, port hole leads to separation sleeve, and the medium that pump is carried can be used as in the cooling liquid inflow separation sleeve separation sleeve is cooled off.
The form of structure of the present utility model can be horizontal centrifugal pump or vertical centrifugal pump.
Advantage of the present utility model is: 1, effectively balance owing to impeller front and rear cover plate and cooling liquid in the different axial forces that produce of two pressure reduction of interior magnet rotor.2, the temperature rise that can when working, produce by the cooling construction cooling separation sleeve of himself.3, the pump shaft axial center hole is made as countersink, has got rid of the interference of cooling liquid, improved pump performance the pump inlet flowing state.
Four, description of drawings
Below in conjunction with accompanying drawing the utility model is described in further detail.
Fig. 1 is the utility model overall structure partial schematic sectional view
Fig. 2 is a pump housing part broken section enlarged view
Fig. 3 is magnet rotor and an outer magnet rotor part cutaway view Amplified image in the magnetic coupling
Five, embodiment
As Figure 1-3, this magnetic force driving pump is by being made up of motor 12, base 13, magnetic coupling and the pump housing, and motor 12, base 13 are characterized in being embodied on the magnetic coupling and the pump housing with existing magnetic force driving pump.Magnetic coupling is made of intermediate 11, outer magnet rotor 10, interior magnet rotor 9 and separation sleeve 8, intermediate 11 right-hand members connect by the pallet on bolt, nut and the motor 12 spindle nose shells, left end is connected with pump case 1, pump cover 4 by seam, outer magnet rotor 10 is located on motor 12 spindle noses in the intermediate 11, interior magnet rotor 9 is located at the right-hand member of pump shaft 7, be connected as a single entity by two big nuts on pump shaft 7 and the pump shaft 7 and impeller 3, on the separation sleeve 8 on pump cover 4; The pump housing is made of pump case 1, pump cover 4, impeller 3, pump shaft 7, external axle sleeve 5 and internal axle sleeve 6, and pump cover 4 is in the left side of interior magnet rotor 9, and there is separation sleeve 8 on pump cover 4 right sides, separation sleeve 8 by on the screw at pump cover 4 right-hand members; Pump case 1 is connected with pump cover 4 by seam, and pump case 1 forms cavity in the left side of pump cover 4 between pump case 1 and the pump cover 4, and impeller 3 is installed in the left end of pump shaft 7 in this cavity, and there are external axle sleeve 5 and internal axle sleeve 6 in pump shaft 7 stage casings on the position of pump cover 4.
The utility model pump case 1 is provided with preoral loop 2 and back choma 14 with pump cover 4 and impeller 3 contacting points, between impeller 3 and pump case 1 and the pump cover 4 and form gap delta 1 and δ 2.Simultaneously, form pressure regulating cavity 15 between pump cover 4 and the impeller 3.
The center of the utility model pump shaft 7 is provided with immerses oneself in axial bore, and this is immersed oneself in axial bore and communicates with radial hole in the middle of the pump shaft 7.Offer port hole on the pump cover 4, port hole leads to separation sleeve 8.
The form of structure of the present utility model can be horizontal centrifugal pump or vertical centrifugal pump.
Choma balancing axial thrust before and after the utility model impeller, the balance of residual axial force is to have formed between the front shroud of impeller 3 and preoral loop 2 gap delta 1 and impeller 3 has formed a pressure regulating cavity and gap delta 2 with pump cover 4, the pressure of pressure regulating cavity reduces when pump has produced forward an axial force, gap delta 2 increases, and gap delta 1 reduces, pressure medium by gap delta 1 increases, and has produced a deboost.Otherwise when pump had produced backward an axial force, δ 1 gap increased, and δ 2 gaps reduce the increased pressure in the pressure regulating cavity, have produced a thrust forward, have offset residual axial force, thereby have realized the autobalance of axial force.
When the utility model adopts metal to make when separation sleeve 8, on separation sleeve 8, produced an alternating magnetic field when rotating, therefore in spacer 8, can produce electric convolution, thereby made separation sleeve 8 generation heats, temperature rising owing to inside and outside magnet rotor.When temperature is elevated to certain value, can burn out magnet steel, cause the damage of magnet steel demagnetization, pump.Therefore will cool off separation sleeve 8.The cooling system of the utility model separation sleeve 8 adopts the fed sheet of a media of pump own as cooling liquid, cooling liquid flows in the separation sleeve 8 by the port hole of offering on the pump cover 4, gap between separation sleeve 8 and interior magnet rotor 9 enters pump shaft 7 centers and immerses oneself in axial bore, flow out from the middle part radial hole of pump shaft 7, between external axle sleeve 5 and internal axle sleeve 6, and be back to the import of impeller through the equalizing orifice of impeller 3.
Claims (6)
1, a kind of magnetic force driving pump, by motor (12), base (13), the magnetic coupling and the pump housing are formed, motor (12), base (13) is with existing magnetic force driving pump, it is characterized in that: magnetic coupling is by intermediate (11), outer magnet rotor (10), interior magnet rotor (9) and separation sleeve (8) constitute, intermediate (11) right-hand member passes through bolt, pallet on nut and motor (12) the spindle nose shell connects, left end is by seam and pump case (1), pump cover (4) connects, outer magnet rotor (10) is located on interior motor (12) spindle nose of intermediate (11), interior magnet rotor (9) is located at the right-hand member of pump shaft (7), be connected as a single entity by two big nuts on pump shaft (7) and the pump shaft (7) and impeller (3), separation sleeve (8) is gone up on pump cover (4); The pump housing is made of pump case (1), pump cover (4), impeller (3), pump shaft (7), external axle sleeve (5) and internal axle sleeve (6), pump cover (4) is in the left side of interior magnet rotor (9), there is separation sleeve (8) on pump cover (4) right side, separation sleeve (8) by on the screw at pump cover (4) right-hand member; Pump case (1) is connected with pump cover (4) by seam, pump case (1) is in the left side of pump cover (4), form cavity between pump case (1) and the pump cover (4), impeller (3) is installed in the left end of pump shaft (7) in this cavity, and there are external axle sleeve (5) and internal axle sleeve (6) in pump shaft (7) stage casing on the position of pump cover (4).
2, magnetic force driving pump according to claim 1 is characterized in that pump case (1) and pump cover (4) and impeller (3) contacting point are provided with preoral loop (2) and back choma (14), between impeller (3) and pump case (1) and the pump cover (4) and form gap delta 1 and δ 2.
3, magnetic force driving pump according to claim 1, the center that it is characterized in that pump shaft (7) are provided with immerses oneself in axial bore, and this is immersed oneself in axial bore and communicates with radial hole in the middle of the pump shaft (7).
4, magnetic force driving pump according to claim 1 is characterized in that offering port hole on the pump cover (4), and port hole leads to separation sleeve (8).
5, magnetic force driving pump according to claim 2 is characterized in that forming pressure regulating cavity (15) between pump cover (4) and the impeller (3).
6, magnetic force driving pump according to claim 1 is characterized in that the form of its structure can be horizontal centrifugal pump or vertical centrifugal pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03201888 CN2592906Y (en) | 2003-01-14 | 2003-01-14 | Magnetic driving pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03201888 CN2592906Y (en) | 2003-01-14 | 2003-01-14 | Magnetic driving pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2592906Y true CN2592906Y (en) | 2003-12-17 |
Family
ID=33753378
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03201888 Expired - Fee Related CN2592906Y (en) | 2003-01-14 | 2003-01-14 | Magnetic driving pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2592906Y (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101350552B (en) * | 2008-09-01 | 2011-05-25 | 诸暨意创磁性技术有限公司 | Permanent magnet clutch with refrigerating device |
| CN104242735A (en) * | 2014-10-11 | 2014-12-24 | 谢仲秋 | Magnetic energy saving device of water pump |
| CN106122486A (en) * | 2016-09-09 | 2016-11-16 | 广西科技大学 | A kind of method increasing magnetic sealing device torque |
| CN107061345A (en) * | 2017-05-22 | 2017-08-18 | 丹东通博泵业有限公司 | Prevent cooling recirculation system structure in the magnetic drive pump of media particle impurity entrance |
| CN109185177A (en) * | 2018-10-28 | 2019-01-11 | 旌开汽车科技（上海）有限公司 | A kind of isolated electronic water pump for automobile of differential |
| CN109973197A (en) * | 2019-03-27 | 2019-07-05 | 盐城海纳汽车零部件有限公司 | A kind of self cooled cooling water pump for engine |
| CN113266595A (en) * | 2021-07-06 | 2021-08-17 | 辽宁工程技术大学 | Pump body suitable for high-rotating-speed single-stage single-suction centrifugal pump |
| CN113410954A (en) * | 2021-05-21 | 2021-09-17 | 成都凯天电子股份有限公司 | Self-circulation wet test motor for aviation electric pump |
| CN114263637A (en) * | 2021-12-30 | 2022-04-01 | 浙江启尔机电技术有限公司 | Magnetic coupling temperature control system and magnetic pump adopting same |
| CN114922825A (en) * | 2022-06-15 | 2022-08-19 | 杭州大路实业有限公司 | Centrifugal pump structure driven by disc type motor |
-
2003
- 2003-01-14 CN CN 03201888 patent/CN2592906Y/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101350552B (en) * | 2008-09-01 | 2011-05-25 | 诸暨意创磁性技术有限公司 | Permanent magnet clutch with refrigerating device |
| CN104242735A (en) * | 2014-10-11 | 2014-12-24 | 谢仲秋 | Magnetic energy saving device of water pump |
| CN106122486A (en) * | 2016-09-09 | 2016-11-16 | 广西科技大学 | A kind of method increasing magnetic sealing device torque |
| CN107061345A (en) * | 2017-05-22 | 2017-08-18 | 丹东通博泵业有限公司 | Prevent cooling recirculation system structure in the magnetic drive pump of media particle impurity entrance |
| CN109185177A (en) * | 2018-10-28 | 2019-01-11 | 旌开汽车科技（上海）有限公司 | A kind of isolated electronic water pump for automobile of differential |
| CN109973197A (en) * | 2019-03-27 | 2019-07-05 | 盐城海纳汽车零部件有限公司 | A kind of self cooled cooling water pump for engine |
| CN109973197B (en) * | 2019-03-27 | 2023-11-28 | 盐城海纳汽车零部件有限公司 | Cooling water pump for self-cooling engine |
| CN113410954A (en) * | 2021-05-21 | 2021-09-17 | 成都凯天电子股份有限公司 | Self-circulation wet test motor for aviation electric pump |
| CN113266595A (en) * | 2021-07-06 | 2021-08-17 | 辽宁工程技术大学 | Pump body suitable for high-rotating-speed single-stage single-suction centrifugal pump |
| CN114263637A (en) * | 2021-12-30 | 2022-04-01 | 浙江启尔机电技术有限公司 | Magnetic coupling temperature control system and magnetic pump adopting same |
| CN114263637B (en) * | 2021-12-30 | 2024-01-02 | 浙江启尔机电技术有限公司 | Magnetic coupling temperature control system and magnetic pump adopting same |
| CN114922825A (en) * | 2022-06-15 | 2022-08-19 | 杭州大路实业有限公司 | Centrifugal pump structure driven by disc type motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20031217 Termination date: 20100219 |