CN202228368U - Magnetic force driving pump - Google Patents
Magnetic force driving pump Download PDFInfo
- Publication number
- CN202228368U CN202228368U CN2011202982355U CN201120298235U CN202228368U CN 202228368 U CN202228368 U CN 202228368U CN 2011202982355 U CN2011202982355 U CN 2011202982355U CN 201120298235 U CN201120298235 U CN 201120298235U CN 202228368 U CN202228368 U CN 202228368U
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- China
- Prior art keywords
- pump
- separation sleeve
- sleeve
- magnet rotor
- pump cover
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- Expired - Fee Related
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Abstract
The utility model relates to a magnetic force driving pump comprising a pump body, a pump cover, a pump shaft, an impeller, an outer magnet rotor, an inner magnet rotor, a separation sleeve and an electromotor. The separation sleeve comprises a primary separation sleeve and a secondary separation sleeve. The primary separation sleeve is disposed closely to one side of the inner magnet rotor, and the secondary separation sleeve is disposed closely to one side of the outer magnet rotor. A separation sleeve chamber is formed by a gap between the primary separation sleeve and the secondary separation sleeve. One side of the pump cover is provided with a through hole communicating, from front to rear, the pump chamber and the inner chamber. The other side of the pump cover is provided with an inclined circulating hole. A front end of the circulating hole penetrates through the pump chamber towards a front end of the pump cover, and a rear end of the circulating hole is communicated with a shaft hole. When the medium conveyed by the pump is required to be heated or cooled, an external heating body/cooling body can be directly conducted to the pump chamber, the bearing pair, the separation sleeve inner chamber to heat or cool the medium by using the above mentioned pump cover and the double-layer separation sleeve design. By using the reasonable structural design, enough pressure and flow of all inner circulation lubricating systems can be provided to guarantee the stable operation of the pump.
Description
Technical field
The utility model relates to a kind of driven pump, particularly a kind of magnetic force driving pump.
Background technique
The pump shaft two ends of traditional magnetic drive pump generally all are fixed on the pump housing and the separation sleeve; And because magnetic force transmitting torque reason; Separation sleeve generally all is designed to thin-walled type as much as possible, and this causes when pump turns round for a long time the separation sleeve easy deformation even produce to scrape with outer steel putting on the skin and rupture and leakage; Screw threads for fastening is all adopted at the pump shaft two ends; It is inner even also have air to irritate behind the liquid separation sleeve before the circulating lubrication simplicity of design of sliding bearing pair, pump running, thereby causes this pump to do the running phenomenon, during the maintenance pump in some separation sleeve even also have partial corrosion property medium; Bearing housing generally adopts carbon graphite material, and pump shaft is direct and bearing housing friction work; Dynamic and static ring adopts carbon graphite and stupalith, and these materials all easy abrasion are cracked; And all be designed to the individual layer separation sleeve, thus when bad working environments turns round after the separation sleeve deformation fracture dielectric leakage accidents caused.
The model utility content
The purpose of the utility model, be to provide a kind of can be under the bad working environments environment magnetic force driving pump of proper functioning.
The purpose of the utility model is achieved in that a kind of magnetic force driving pump, comprises the pump housing, pump cover, pump shaft, impeller, outer magnet rotor, interior magnet rotor, separation sleeve and motor, and separation sleeve is located between outer magnet rotor and the interior magnet rotor; Form pump chamber between the pump cover and the pump housing, form inner chamber between pump cover and interior magnet rotor, the separation sleeve; Be characterized in; Described separation sleeve comprises one-level separation sleeve and secondary separation sleeve; The one-level separation sleeve is arranged near interior magnet rotor one side, and the secondary separation sleeve is arranged near outer magnet rotor one side, between one-level separation sleeve and secondary separation sleeve, is provided with to form at interval to isolate mantle cavity.
The center of described pump cover is provided with the axis hole that is used to install pump shaft; Before and after being provided with, one side of pump cover connects the through hole of pump chamber and inner chamber; The opposite side of pump cover is provided with an oblique circulation port, and the front end of this circulation port connects pump chamber to the front end of pump cover, and the rear end of circulation port is communicated with axis hole.
The front portion of described pump shaft is provided with the front slide bearing pair, and the rear portion is provided with the back sliding bearing pair; The front slide bearing pair is made up of axle sleeve and bearing housing respectively with the back sliding bearing pair; The diaxon bearing sleeve is set on the pump shaft and with pump cover and is fixedly linked; Two axle sleeves are set in two bearings and put; Wherein, the axle sleeve and the impeller of front slide bearing pair are fixedly linked, and the axle sleeve of back sliding bearing pair and interior magnet rotor are fixedly linked; On front slide bearing pair and the back pump shaft between the sliding bearing pair, be with the axle sleeve interstage sleeve, form ring cavity between axle sleeve interstage sleeve and the pump cover, this ring cavity is communicated with circulation port on the pump cover.
Described bearing housing inwall is interval with many lubrication grooves that axially connect, and an end face correspondence of bearing housing is provided with many radially grooves, and an end of described lubrication groove is communicated with said radially groove, and the other end is communicated with said ring cavity; Radially groove on the front slide bearing pair bearing housing also is communicated with pump chamber, and the radially groove on the back sliding bearing pair bearing housing also is communicated with inner chamber.
Described axle sleeve comprises axle sleeve body and the bigger connecting end of diameter that diameter is less, is provided with a circle annular groove at the contiguous connecting end of axle sleeve body place, and this annular groove reaches with the lubrication groove of bearing housing that radially groove is adaptive is communicated with.
Described front slide bearing pair all adopts the pressureless sintering carbofrax material to be made with the back sliding bearing pair.
Described secondary separation sleeve comprises the U-shaped body, is connected with the adapter that is used to be in communication with the outside in the opening end side of U-shaped body.
The utility model has been owing to adopted above technological scheme, and when the medium of carrying when pump need heat or cool off, outside hot body capable of using/cold body was directly conducted to pump chamber, sliding bearing pair, isolation mantle cavity and comes heating or cooling medium; The weight of impeller, pump shaft and interior magnet rotor is born by pump cover; Two axle sleeves on the pump shaft guarantee axle sleeve and pump shaft run-in synchronism by the pin transmitting torque that is fixed on impeller and the internal rotor; Sliding bearing pair adopts novel pressureless sintering carbofrax material; Have characteristics such as high hardness, high abrasion; The several lubrication grooves of bearing housing set inside are complementary with circulation port on the pump cover, and are can enforceable lubrication sliding bearing secondary and take away the heat that produces because of sliding friction; Interior circulating fluid is used to take away the heat that is produced by eddy current on the separation sleeve, and reasonable structural design makes all inner loop lubrication systems all have enough pressure and flow to guarantee pump stable operation; Separation sleeve has the ability that drains medium (when termination of pumping is repaired) and emptying automatically (when pouring into before starting) fully; The flow passage components of whole pump select for use the high-quality stainless steel to adopt advanced middle temperature wax Ludox technology to process, and runner is clearly bright and clean, and the waterpower combination property is superior; Double-deck separation sleeve design can also be assembled the sensor that leaks hunting in adapter place of secondary separation sleeve, through the leak case of control system monitoring one-level separation sleeve, guarantees that magnetic drive pump also can normally move in more severe occasion.
Description of drawings
Fig. 1 is the sectional structure schematic representation of the utility model magnetic force driving pump;
Fig. 2 is the sectional structure schematic representation of the pump cover in the utility model;
Fig. 3 is the sectional structure schematic representation of the bearing housing in the utility model;
Fig. 4 is the plan structure schematic representation of the bearing housing in the utility model;
Fig. 5 is the sectional structure schematic representation of the axle sleeve in the utility model;
Fig. 6 is the sectional structure schematic representation of the secondary separation sleeve in the utility model.
Embodiment
Referring to Fig. 1; Cooperation is referring to Fig. 2 to Fig. 6; The magnetic force driving pump of the utility model comprises the pump housing 1, pump cover 2, pump shaft 3, impeller 4, outer magnet rotor 5, interior magnet rotor 6, one-level separation sleeve 7, secondary separation sleeve 8 and motor 9, and the pump housing 1 is installed on the base 10 with motor 9.Between motor 9 and pump cover 2, be connected with link press span 11.Form pump chamber 12 between the pump cover 2 and the pump housing 1, form inner chamber 13 between pump cover 2 and interior magnet rotor 6, the one-level separation sleeve 7; Separation sleeve is located between outer magnet rotor 5 and the interior magnet rotor 6; One-level separation sleeve 7 wherein is arranged near interior magnet rotor 6 one sides; Secondary separation sleeve 8 is arranged near outer magnet rotor 5 one sides, between one-level separation sleeve 7 and secondary separation sleeve 8, is provided with to form at interval to isolate mantle cavity 14.
Cooperation is referring to Fig. 2; The center of the pump cover 2 in the utility model is provided with the axis hole 21 that is used to install pump shaft; Before and after being provided with, one side of pump cover connects the through hole 22 of pump chamber 12 and inner chamber 13; The opposite side of pump cover is provided with an oblique circulation port 23, and the front end of this circulation port 23 connects pump chamber 12 to the front end of pump cover, and the rear end of circulation port is communicated with axis hole 21.
Continuation cooperates referring to Fig. 3, Fig. 4, Fig. 5 referring to Fig. 1, and the front portion of the pump shaft 3 in the utility model is provided with the front slide bearing pair, and the rear portion is provided with the back sliding bearing pair; The front slide bearing pair all adopts the pressureless sintering carbofrax material to be made with the back sliding bearing pair.The front slide bearing pair is made up of axle sleeve 15 and bearing housing 16 respectively with the back sliding bearing pair; Diaxon bearing sleeve 15 is set on the pump shaft 3 and with pump cover 2 and is fixedly linked; Two axle sleeves 16 are set on the diaxon bearing sleeve 15; Wherein, the axle sleeve 16 and the impeller 4 of front slide bearing pair are fixedly linked, and the axle sleeve 16 and the interior magnet rotor 6 of back sliding bearing pair are fixedly linked; On front slide bearing pair and the back pump shaft between the sliding bearing pair, be with axle sleeve interstage sleeve 17, formation ring cavity 18 between axle sleeve interstage sleeve 17 and the pump cover 2, this ring cavity 18 is communicated with circulation port 23 on the pump cover 2.
Cooperation is referring to Fig. 3, Fig. 4; The utility model centre bearer bush 15 inwalls are interval with many lubrication grooves 151 that axially connect; An end face correspondence of bearing housing is provided with many radially grooves 152, and an end of lubrication groove 151 is communicated with groove 152 radially, and the other end is communicated with ring cavity 18; Radially groove on the front slide bearing pair bearing housing also is communicated with pump chamber 12, and the radially groove on the back sliding bearing pair bearing housing also is communicated with inner chamber 13.
Cooperation is referring to Fig. 5; The utility model Intermediate shaft sleeve 16 comprises less axle sleeve body of diameter 161 and the bigger connecting end 162 of diameter; Be provided with a circle annular groove 163 at the contiguous connecting end of axle sleeve body place, this annular groove 163 reaches radially 152 adaptive connections of groove with the lubrication groove 151 of bearing housing.
Cooperation is referring to Fig. 6, and secondary separation sleeve 8 comprises U-shaped body 81 in the utility model, is connected with the adapter 82 that is used to be in communication with the outside in the opening end side of U-shaped body.
Claims (7)
1. a magnetic force driving pump comprises the pump housing, pump cover, pump shaft, impeller, outer magnet rotor, interior magnet rotor, separation sleeve and motor, and separation sleeve is located between outer magnet rotor and the interior magnet rotor; Form pump chamber between the pump cover and the pump housing, form inner chamber between pump cover and interior magnet rotor, the separation sleeve; It is characterized in that: described separation sleeve comprises one-level separation sleeve and secondary separation sleeve; The one-level separation sleeve is arranged near interior magnet rotor one side; The secondary separation sleeve is arranged near outer magnet rotor one side, between one-level separation sleeve and secondary separation sleeve, is provided with to form at interval to isolate mantle cavity.
2. magnetic force driving pump according to claim 1; It is characterized in that: the center of described pump cover is provided with the axis hole that is used to install pump shaft; Before and after being provided with, one side of pump cover connects the through hole of pump chamber and inner chamber; The opposite side of pump cover is provided with an oblique circulation port, and the front end of this circulation port connects pump chamber to the front end of pump cover, and the rear end of circulation port is communicated with axis hole.
3. magnetic force driving pump according to claim 1 is characterized in that: the front portion of described pump shaft is provided with the front slide bearing pair, and the rear portion is provided with the back sliding bearing pair; The front slide bearing pair is made up of axle sleeve and bearing housing respectively with the back sliding bearing pair; The diaxon bearing sleeve is set on the pump shaft and with pump cover and is fixedly linked; Two axle sleeves are set in two bearings and put; Wherein, the axle sleeve and the impeller of front slide bearing pair are fixedly linked, and the axle sleeve of back sliding bearing pair and interior magnet rotor are fixedly linked; On front slide bearing pair and the back pump shaft between the sliding bearing pair, be with the axle sleeve interstage sleeve, form ring cavity between axle sleeve interstage sleeve and the pump cover, this ring cavity is communicated with circulation port on the pump cover.
4. magnetic force driving pump according to claim 3; It is characterized in that: described bearing housing inwall is interval with many lubrication grooves that axially connect; An end face correspondence of bearing housing is provided with many radially grooves; One end of described lubrication groove is communicated with said radially groove, and the other end is communicated with said ring cavity; Radially groove on the front slide bearing pair bearing housing also is communicated with pump chamber, and the radially groove on the back sliding bearing pair bearing housing also is communicated with inner chamber.
5. magnetic force driving pump according to claim 3; It is characterized in that: described axle sleeve comprises axle sleeve body and the bigger connecting end of diameter that diameter is less; Be provided with a circle annular groove at the contiguous connecting end of axle sleeve body place, this annular groove reaches with the lubrication groove of bearing housing that radially groove is adaptive is communicated with.
6. magnetic force driving pump according to claim 3 is characterized in that: described front slide bearing pair all adopts the pressureless sintering carbofrax material to be made with the back sliding bearing pair.
7. magnetic force driving pump according to claim 1 is characterized in that: described secondary separation sleeve comprises the U-shaped body, is connected with the adapter that is used to be in communication with the outside in the opening end side of U-shaped body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202982355U CN202228368U (en) | 2011-08-16 | 2011-08-16 | Magnetic force driving pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202982355U CN202228368U (en) | 2011-08-16 | 2011-08-16 | Magnetic force driving pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202228368U true CN202228368U (en) | 2012-05-23 |
Family
ID=46078955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202982355U Expired - Fee Related CN202228368U (en) | 2011-08-16 | 2011-08-16 | Magnetic force driving pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202228368U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102954003A (en) * | 2011-08-16 | 2013-03-06 | 上海佰诺泵阀有限公司 | Magnetic driving pump |
| CN103573682A (en) * | 2012-07-31 | 2014-02-12 | 上海佰诺泵阀有限公司 | Magnetic drive pump with bearing block |
| CN104326268A (en) * | 2014-10-31 | 2015-02-04 | 太仓顺达磁力泵科技有限公司 | Magnetic force feeder used for coal chemical industry |
| CN108252945A (en) * | 2016-12-28 | 2018-07-06 | 上海佰诺泵阀有限公司 | The heat preservation magnetic drive pump that flow passage components coat entirely |
-
2011
- 2011-08-16 CN CN2011202982355U patent/CN202228368U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102954003A (en) * | 2011-08-16 | 2013-03-06 | 上海佰诺泵阀有限公司 | Magnetic driving pump |
| CN102954003B (en) * | 2011-08-16 | 2015-05-20 | 上海佰诺泵阀有限公司 | Magnetic driving pump |
| CN103573682A (en) * | 2012-07-31 | 2014-02-12 | 上海佰诺泵阀有限公司 | Magnetic drive pump with bearing block |
| CN104326268A (en) * | 2014-10-31 | 2015-02-04 | 太仓顺达磁力泵科技有限公司 | Magnetic force feeder used for coal chemical industry |
| CN108252945A (en) * | 2016-12-28 | 2018-07-06 | 上海佰诺泵阀有限公司 | The heat preservation magnetic drive pump that flow passage components coat entirely |
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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: 20120523 Termination date: 20150816 |
|
| EXPY | Termination of patent right or utility model |