CN102954003A - Magnetic driving pump - Google Patents
Magnetic driving pump Download PDFInfo
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- CN102954003A CN102954003A CN2011102351668A CN201110235166A CN102954003A CN 102954003 A CN102954003 A CN 102954003A CN 2011102351668 A CN2011102351668 A CN 2011102351668A CN 201110235166 A CN201110235166 A CN 201110235166A CN 102954003 A CN102954003 A CN 102954003A
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- pump
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- bearing pair
- pump cover
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Abstract
A magnetic driving pump comprises a pump body, a pump cover, a pump shaft, an impeller, an outer magnetic rotor, an inner magnetic rotor, an isolation sleeve and a motor. The isolation sleeve comprises a primary isolation sleeve and a second isolation sleeve, the primary isolation sleeve is arranged on one side close to the inner magnetic rotor, the secondary isolation sleeve is arranged on one side close to the outer magnetic rotor, and an interval is reserved between the primary isolation sleeve and the secondary isolation sleeve to form an isolation sleeve cavity. One side of the pump cover is provided with a through hole communicating a pump cavity with an inner cavity, and the other side of the pump cover is provided with a diagonal circulating hole. The front end of the circulating hole is communicated with the pump cavity at the front end of the pump cover, and the rear end of the circulating hole is communicated with a shaft hole. When a medium delivered by the pump is to be heated or cooled, an external heater/cooler is directly transmitted to the pump cavity, a sliding bearing pair and the inner cavity of the isolation sleeve to heat or cool the medium owing to the pump cover and the double-layer isolation sleeve. By the aid of the reasonable structural design, sufficient pressure and flow of all internal circulating and lubricating systems can guarantee stable running of the pump.
Description
Technical field
The present invention 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 the pump long time running easily distortion even produce to scrape with outer steel and put on the skin and rupture and leakage of separation sleeve; Screw threads for fastening is all adopted at the pump shaft two ends; Fill with behind the liquid separation sleeve before the circulating lubrication simplicity of design of sliding bearing pair, pump running inner even also have air, thereby cause this pump to do the running phenomenon, during the maintenance pump in some separation sleeve even also have the partial corrosion 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 easily wear and tear 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.
Summary of the invention
Purpose of the present invention is to provide a kind of magnetic force driving pump that can work under the bad working environments environment.
The object of the present invention is achieved like this: a kind of magnetic force driving pump, comprise 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 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, is provided with the interval and forms the isolation mantle cavity between one-level separation sleeve and secondary separation sleeve.
The center of described pump cover is provided with for the axis hole that pump shaft is installed, 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 rear sliding bearing pair; Front slide bearing pair and rear sliding bearing pair are comprised of axle sleeve and bearing housing respectively, 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, axle sleeve and the impeller of front slide bearing pair are fixedly linked, and the axle sleeve of rear sliding bearing pair and interior magnet rotor are fixedly linked; Pump shaft between front slide bearing pair and rear sliding bearing pair cover has the axle sleeve interstage sleeve, forms ring cavity between axle sleeve interstage sleeve and the pump cover, and 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 described radially groove, and the other end is communicated with described ring cavity; Radially groove on the front slide bearing pair bearing housing also is communicated with pump chamber, and the radially groove on the rear sliding bearing pair bearing housing also is communicated with inner chamber.
Described axle sleeve comprises axle sleeve body and the larger connecting end of diameter that diameter is less, and the place is provided with a ring groove at the contiguous connecting end of axle sleeve body, 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 and rear sliding bearing pair all adopt the pressureless sintering carbofrax material to be made.
Described secondary separation sleeve comprises the U-shaped body, is connected be used to the adapter that is in communication with the outside in the opening end side of U-shaped body.
The present invention has been owing to having adopted above technological scheme, when the medium of carrying when pump need to heat or cool off, can utilize outside hot body/cold body, is 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 non-pressure sintered silicon carbon material, have the characteristics such as high hardness, high abrasion, bearing housing inside arranges several lubrication grooves, is complementary with circulation port on the pump cover, and is can enforceable lubrication sliding bearing secondary and take away the heat that produces because of sliding friction; Interior circulating fluid is used for taking away the heat that is produced by eddy current on the separation sleeve, and reasonably structural design makes all inner loop lubrication systems 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 automatic-discharging (when pouring into before starting) fully; The flow passage components of whole pump select the high-quality stainless steel to adopt advanced middle temperature wax Ludox technique to make, and runner is clearly bright and clean, and the waterpower combination property is superior; The Double-layered isolation casing design can also be assembled the sensor that leaks hunting in adapter place of secondary separation sleeve, by 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 diagram of magnetic force driving pump of the present invention;
Fig. 2 is the sectional structure schematic diagram of the pump cover among the present invention;
Fig. 3 is the sectional structure schematic diagram of the bearing housing among the present invention;
Fig. 4 is the plan structure schematic diagram of the bearing housing among the present invention;
Fig. 5 is the sectional structure schematic diagram of the axle sleeve among the present invention;
Fig. 6 is the sectional structure schematic diagram of the secondary separation sleeve among the present invention.
Embodiment
Referring to Fig. 1, cooperation is referring to Fig. 2 to Fig. 6, magnetic force driving pump of the present invention 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 and motor 9 are installed on the base 10.Between motor 9 and pump cover 2, be connected with link press span 11.Form pump chamber 12 between 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, is provided with the interval and forms isolation mantle cavity 14 between one-level separation sleeve 7 and secondary separation sleeve 8.
Cooperation is referring to Fig. 2, the center of the pump cover 2 among the present invention is provided with for the axis hole 21 that pump shaft is installed, 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, 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 among the present invention is provided with the front slide bearing pair, and the rear portion is provided with rear sliding bearing pair; Front slide bearing pair and rear sliding bearing pair all adopt the pressureless sintering carbofrax material to be made.Front slide bearing pair and rear sliding bearing pair are comprised of axle sleeve 15 and bearing housing 16 respectively, 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, axle sleeve 16 and the impeller 4 of front slide bearing pair are fixedly linked, and axle sleeve 16 and the interior magnet rotor 6 of rear sliding bearing pair are fixedly linked; Pump shaft between front slide bearing pair and rear sliding bearing pair cover has axle sleeve interstage sleeve 17, formation ring cavity 18 between axle sleeve interstage sleeve 17 and the pump cover 2, and this ring cavity 18 is communicated with circulation port 23 on the pump cover 2.
Cooperation is referring to Fig. 3, Fig. 4, centre bearer bush 15 inwalls of the present invention 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 rear sliding bearing pair bearing housing also is communicated with inner chamber 13.
Cooperation is referring to Fig. 5, Intermediate shaft sleeve 16 of the present invention comprises axle sleeve body 161 and the larger connecting end 162 of diameter that diameter is less, the place is provided with a ring groove 163 at the contiguous connecting end of axle sleeve body, and 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 among the present invention, is connected be used to the adapter 82 that is 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 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, is provided with the interval and forms the isolation mantle cavity between one-level separation sleeve and secondary separation sleeve.
2. magnetic force driving pump according to claim 1, it is characterized in that: the center of described pump cover is provided with for the axis hole that pump shaft is installed, 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, 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, it 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 rear sliding bearing pair; Front slide bearing pair and rear sliding bearing pair are comprised of axle sleeve and bearing housing respectively, 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, axle sleeve and the impeller of front slide bearing pair are fixedly linked, and the axle sleeve of rear sliding bearing pair and interior magnet rotor are fixedly linked; Pump shaft between front slide bearing pair and rear sliding bearing pair cover has the axle sleeve interstage sleeve, forms ring cavity between axle sleeve interstage sleeve and the pump cover, and 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 described radially groove, and the other end is communicated with described ring cavity; Radially groove on the front slide bearing pair bearing housing also is communicated with pump chamber, and the radially groove on the rear 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 larger connecting end of diameter that diameter is less, the place is provided with a ring groove at the contiguous connecting end of axle sleeve body, and 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, it is characterized in that: described front slide bearing pair and rear sliding bearing pair all adopt the pressureless sintering carbofrax material to be made.
7. magnetic force driving pump according to claim 1, it is characterized in that: described secondary separation sleeve comprises the U-shaped body, is connected be used to the adapter that is in communication with the outside in the opening end side of U-shaped body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110235166.8A CN102954003B (en) | 2011-08-16 | 2011-08-16 | Magnetic driving pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110235166.8A CN102954003B (en) | 2011-08-16 | 2011-08-16 | Magnetic driving pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102954003A true CN102954003A (en) | 2013-03-06 |
| CN102954003B CN102954003B (en) | 2015-05-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110235166.8A Active CN102954003B (en) | 2011-08-16 | 2011-08-16 | Magnetic driving pump |
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| CN (1) | CN102954003B (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104088797A (en) * | 2014-06-25 | 2014-10-08 | 安徽盛唐泵阀制造有限公司 | Anti-crystallization magnetic pump |
| CN104100536A (en) * | 2014-06-25 | 2014-10-15 | 安徽盛唐泵阀制造有限公司 | Isolation cover assembly of magnetic force pump |
| CN104196763A (en) * | 2014-07-01 | 2014-12-10 | 安徽盛唐泵阀制造有限公司 | Magnetic pump for conveying easily crystallized medium |
| CN105090096A (en) * | 2014-05-21 | 2015-11-25 | 上海佰诺泵阀有限公司 | Magnetic force peripheral pump |
| CN106837813A (en) * | 2017-02-20 | 2017-06-13 | 江苏建安泵业制造有限公司 | A kind of outer circulation magnetic force pumping system |
| CN107178506A (en) * | 2017-07-12 | 2017-09-19 | 盐城国众化工有限公司 | A kind of Methanol Recovery flow pump monitoring device |
| CN107355429A (en) * | 2017-08-25 | 2017-11-17 | 瑞希特工程工艺（南京）有限公司 | Cage, pump group part and magnetic drive pump |
| CN108252922A (en) * | 2016-12-28 | 2018-07-06 | 上海佰诺泵阀有限公司 | Heavy load Fluorine-lined magnetic drive pump |
| CN109578290A (en) * | 2017-09-28 | 2019-04-05 | 上海佰诺泵阀有限公司 | Secondary gas source suitable for conveying the medium containing granule foreign protects magnetic force pump installation |
| CN112032067A (en) * | 2020-08-22 | 2020-12-04 | 安徽江南泵阀集团有限公司 | Self-cooling magnetic pump |
| CN112483422A (en) * | 2020-10-21 | 2021-03-12 | 江苏大学镇江流体工程装备技术研究院 | Magnetic pump for chemical industry |
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| CN102228368B (en) * | 2010-04-14 | 2013-11-06 | 晶辉科技（深圳）有限公司 | Damping device for toaster sliding frame |
| CN202073797U (en) * | 2010-12-17 | 2011-12-14 | 上海佰诺泵阀有限公司 | Magnetic force driving pump |
| CN202228368U (en) * | 2011-08-16 | 2012-05-23 | 上海佰诺泵阀有限公司 | Magnetic force driving pump |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105090096A (en) * | 2014-05-21 | 2015-11-25 | 上海佰诺泵阀有限公司 | Magnetic force peripheral pump |
| CN104100536A (en) * | 2014-06-25 | 2014-10-15 | 安徽盛唐泵阀制造有限公司 | Isolation cover assembly of magnetic force pump |
| CN104100536B (en) * | 2014-06-25 | 2017-01-25 | 安徽盛唐泵阀制造有限公司 | Isolation cover assembly of magnetic force pump |
| CN104088797A (en) * | 2014-06-25 | 2014-10-08 | 安徽盛唐泵阀制造有限公司 | Anti-crystallization magnetic pump |
| CN104196763A (en) * | 2014-07-01 | 2014-12-10 | 安徽盛唐泵阀制造有限公司 | Magnetic pump for conveying easily crystallized medium |
| CN108252922A (en) * | 2016-12-28 | 2018-07-06 | 上海佰诺泵阀有限公司 | Heavy load Fluorine-lined magnetic drive pump |
| CN106837813A (en) * | 2017-02-20 | 2017-06-13 | 江苏建安泵业制造有限公司 | A kind of outer circulation magnetic force pumping system |
| CN107178506A (en) * | 2017-07-12 | 2017-09-19 | 盐城国众化工有限公司 | A kind of Methanol Recovery flow pump monitoring device |
| CN107355429A (en) * | 2017-08-25 | 2017-11-17 | 瑞希特工程工艺（南京）有限公司 | Cage, pump group part and magnetic drive pump |
| CN109578290A (en) * | 2017-09-28 | 2019-04-05 | 上海佰诺泵阀有限公司 | Secondary gas source suitable for conveying the medium containing granule foreign protects magnetic force pump installation |
| CN109578290B (en) * | 2017-09-28 | 2023-09-19 | 上海佰诺泵阀有限公司 | Secondary air source protection magnetic pump device suitable for conveying medium containing particle impurities |
| CN112032067A (en) * | 2020-08-22 | 2020-12-04 | 安徽江南泵阀集团有限公司 | Self-cooling magnetic pump |
| CN112483422A (en) * | 2020-10-21 | 2021-03-12 | 江苏大学镇江流体工程装备技术研究院 | Magnetic pump for chemical industry |
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