CN115853822A - Magnetic drive pump integration rotor and magnetic drive pump - Google Patents
Magnetic drive pump integration rotor and magnetic drive pump Download PDFInfo
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- CN115853822A CN115853822A CN202211671493.2A CN202211671493A CN115853822A CN 115853822 A CN115853822 A CN 115853822A CN 202211671493 A CN202211671493 A CN 202211671493A CN 115853822 A CN115853822 A CN 115853822A
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- impeller
- wear
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- pump
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Abstract
The invention provides an integrated rotor of a magnetic pump and the magnetic pump, which comprise a wear-resistant ring, an impeller, an inner magnetic block, a magnetizer and a guide bearing, wherein the wear-resistant ring is embedded in the end surface of an inlet of the impeller, and one end surface of the wear-resistant ring protrudes out of the end surface of the inlet of the impeller; the impeller is characterized in that a guide bearing is installed at the central hole of the impeller, an annular groove is formed in the wall surface of the impeller, and an inner magnetic block and a magnetizer are installed in the annular groove. According to the invention, the wear-resistant ring, the guide bearing, the inner magnetic block and the magnetizer are fixed on the impeller, so that the impeller and the inner magnetic rotor are not connected through a shaft, the number of parts is reduced, the compactness of the pump is enhanced, and meanwhile, the wear-resistant ring is fixed on the impeller in a manner of locally rolling the thin wall of the impeller, so that the fixed parts are reduced, and the weight is further reduced; the magnetic pump comprises the integrated rotor of the magnetic pump.
Description
Technical Field
The invention relates to the field of magnetic pumps, in particular to an integrated rotor of a magnetic pump and the magnetic pump.
Background
The magnetic pump transmits torque through magnetic force, has no shaft seal, has the characteristic of completely no leakage of liquid delivery, is mainly applied to the important fields of petroleum, chemical engineering, national defense, aerospace and the like, and is used for delivering inflammable, explosive, corrosive, radioactive and precious liquids. The impeller rotor and the inner magnetic rotor of the conventional magnetic pump are independently designed and are jointly fixed on the same shaft. However, magnetic pumps used in some special fields such as aviation, medical instruments and the like are required to be light in weight and small in size, and the length and weight of an inner magnet rotor of a conventional magnetic pump are large, so that the special requirements of the fields cannot be met.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides the integrated rotor of the magnetic pump and the magnetic pump, the wear-resisting ring, the guide bearing, the inner magnetic block and the magnetizer are fixed on the impeller, so that the impeller and the inner magnetic rotor are not connected through a shaft, the number of parts is reduced, the compactness of the pump is enhanced, meanwhile, the wear-resisting ring is fixed on the impeller in a local rolling impeller thin wall mode, the fixing piece is reduced, and the weight is further reduced.
The present invention achieves the above-described object by the following means.
An integrated rotor of a magnetic pump comprises a wear-resistant ring, an impeller, an inner magnetic block, a magnetizer and a guide bearing, wherein the wear-resistant ring is embedded in the end surface of an inlet of the impeller, and one end surface of the wear-resistant ring protrudes out of the end surface of the inlet of the impeller; the impeller is characterized in that a guide bearing is installed at the center hole of the impeller, an annular groove is formed in the wall surface of the impeller, and an inner magnetic block and a magnetizer are installed in the annular groove.
Furthermore, the outer side of the wear-resistant ring is provided with a conical surface, the end face of the impeller inlet is provided with an annular mounting groove, the wear-resistant ring is positioned in the annular mounting groove, and the wear-resistant ring is mounted on the end face of the impeller inlet by rolling the outer side thin wall of the impeller.
Furthermore, the inner magnetic block is sleeved outside the magnetizer.
Furthermore, the inner magnetic block and the magnetizer are fixed in the groove inside the impeller through the pressing ring.
Furthermore, a groove is formed in the inner side of the guide bearing and used for circulating cooling liquid.
A magnetic pump comprises the integrated rotor of the magnetic pump.
Further, the pump comprises a pump shell, a pump body wear-resisting ring, a shaft sleeve, a spacer bush and a driving end; the driving end is installed at one end of the pump shell, a plurality of outer magnetic blocks are installed on the driving end, and the outer magnetic blocks are located on the outer side of the inner magnetic block; the integrated rotor of the magnetic pump is positioned in the pump body, a pump body wear-resisting ring is installed at the inlet of the pump body and corresponds to the pump body wear-resisting ring, the spacer bush is supported in the guide bearing through a shaft sleeve, and the spacer bush separates the inner magnetic block from the outer magnetic block and is used for preventing liquid from entering the driving end.
Further, an initial gap is formed between the pump body wear-resistant ring and the wear-resistant ring; the gap is reduced or eliminated by the axial force generated by the rotation of the integrated rotor of the magnetic pump.
The invention has the beneficial effects that:
1. the integrated rotor of the magnetic pump integrates the wear-resisting ring, the impeller, the guide bearing, the inner magnetic block and the magnetizer into a whole, and a pump shaft is not arranged, so that the number of parts is reduced, the compactness of the pump is enhanced, and the sizes and the weights of the impeller and the pump body of the pump are reduced.
2. The integrated rotor of the magnetic pump fixes the wear-resisting ring on the impeller in a manner of locally rolling the thin wall of the impeller, so that the number of fixing pieces is reduced, and the weight is further reduced.
3. According to the magnetic pump, an initial gap is formed between the wear-resistant ring and the wear-resistant ring of the pump body; the wear-resistant ring of the pump body and the wear-resistant ring are oppositely ground by the axial force generated by the rotation of the integrated rotor of the magnetic pump, so that the abrasion of the shell can be prevented.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, and the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained from the drawings without creative efforts.
Fig. 1 is a sectional view of an integrated rotor of a magnetic pump according to the present invention.
Fig. 2 is an enlarged view of a portion a of the integrated rotor of the magnetic pump according to the present invention.
Fig. 3 is an assembly view of the magnetic pump of the present invention.
In the figure:
1-a wear-resistant ring; 1-1-wear ring gap; 2-an impeller; 2-1-impeller outer side thin wall; 2-2-inlet end face; 2-3-outlet end face; 3-an inner magnetic block; 4-a magnetizer; 5-a guide bearing; 6-pressing a ring; 7-motor shaft; 8-a screw; 9-pump body wear ring; 10-shaft sleeve; 11-spacer bush; 12-outer magnet.
Detailed Description
The invention will be further described with reference to the following figures and specific examples, but the scope of the invention is not limited thereto.
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "axial," "radial," "vertical," "horizontal," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present invention and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise explicitly stated or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
As shown in fig. 1 and 2, the integrated rotor of the magnetic pump of the present invention includes a wear-resistant ring 1, an impeller 2, an inner magnetic block 3, a magnetizer 4, a guide bearing 5 and a press ring 6, wherein the wear-resistant ring 1 is embedded in an inlet end face 2-2 of the impeller 2, and one end face of the wear-resistant ring 1 protrudes out of the inlet end face 2-2 of the impeller 2; the impeller 2 central hole department installs guide bearing 5, 2 walls of impeller are equipped with annular recess, and annular magnet 3 and magnetizer 4 in the recess installation, the outside of magnetizer 4 is located to interior magnet 3 cover, and interior magnet 3 and magnetizer 4 are fixed in the inside recess of impeller 2 through the clamping ring 6 that the cover was located 2-3 of impeller 2 export terminal surface, carry out sealing process through the welding between clamping ring 6 and the 2 export terminal surface of impeller 2. The outer side of the wear-resistant ring 1 is provided with a conical surface 1-1, the inlet end face 2-2 of the impeller 2 is provided with an annular mounting groove, the wear-resistant ring 1 is positioned in the annular mounting groove, and the wear-resistant ring 1 is mounted on the inlet end face 2-2 of the impeller 2 by rolling the outer side thin wall 2-1 of the impeller, so that screws and other fixing parts are reduced.
The guide bearing 5 is fixed at the central hole of the impeller 2 through a screw 8, and a plurality of grooves are formed in the inner side of the guide bearing 5 and used for flowing of cooling liquid.
As shown in fig. 3, the magnetic pump of the present invention comprises an integrated rotor of the magnetic pump, a pump casing, a wear-resistant ring 9 of the pump body, a shaft sleeve 10, a spacer 11, and a driving end; the driving end is arranged at one end of the pump shell, a motor shaft 7 of the driving end is provided with a plurality of outer magnetic blocks 12, and the outer magnetic blocks 12 are positioned on the outer sides of the inner magnetic blocks 3; the integrated rotor of the magnetic pump is located in the pump body, the inlet of the pump body is provided with a pump body wear-resistant ring 9, the pump body wear-resistant ring 9 corresponds to the wear-resistant ring 1, the spacer bush 11 is supported in the guide bearing 5 through the shaft sleeve 10, and the spacer bush 11 separates the inner magnetic block 3 from the outer magnetic block 12 and is used for preventing liquid from entering the driving end. An initial gap is formed between the pump body wear-resistant ring 9 and the wear-resistant ring 1; the gap is reduced or eliminated by the axial force generated by the rotation of the integrated rotor of the magnetic pump.
According to the magnetic pump, before the magnetic pump is started, water is filled into the magnetic pump; after the magnetic pump is started, the motor shaft 7 drives the outer magnetic block 12 to rotate, the outer magnetic block 12 and the inner magnetic block 3 attract each other, magnetic lines of force pass through the magnetizer 4 to form a magnetic field, the inner magnetic block 3 rotates along with the outer magnetic rotor and simultaneously drives the impeller 2 to rotate, the impeller 2 conveys liquid media to do work after the impeller 2 rotates, the liquid media form axial force pointing to the inlet direction on the whole rotor due to the action of pressure difference, the wear-resisting ring 1 generates friction with the corresponding pump body wear-resisting ring 9 under the action of the axial force, meanwhile, the guide bearing 5 generates friction with the shaft sleeve 10, and a plurality of grooves are formed in the inner side of the guide bearing 5 and used for flowing of cooling liquid to prevent a friction pair from being burnt or abraded due to overheating.
It should be understood that although the present description has been described in terms of various embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and those skilled in the art will recognize that the embodiments described herein may be combined as suitable to form other embodiments, as will be appreciated by those skilled in the art.
The above-listed detailed description is only a specific description of a possible embodiment of the present invention, and they are not intended to limit the scope of the present invention, and equivalent embodiments or modifications made without departing from the technical spirit of the present invention should be included in the scope of the present invention.
Claims (8)
1. The integrated rotor of the magnetic pump is characterized by comprising a wear-resistant ring (1), an impeller (2), an inner magnetic block (3), a magnetizer (4) and a guide bearing (5), wherein the wear-resistant ring (1) is embedded in an inlet end face (2-2) of the impeller (2), and one end face of the wear-resistant ring (1) protrudes out of the inlet end face (2-2) of the impeller (2); a guide bearing (5) is installed at the center hole of the impeller (2), an annular groove is formed in the wall surface of the impeller (2), and an inner magnetic block (3) and a magnetizer (4) are installed in the annular groove.
2. The integrated rotor of a magnetic pump according to claim 1, characterized in that the wear-resistant ring (1) is provided with a conical surface (1-1) on the outside, the inlet end surface (2-2) of the impeller (2) is provided with an annular mounting groove, the wear-resistant ring (1) is positioned in the annular mounting groove, and the wear-resistant ring (1) is mounted on the inlet end surface (2-2) of the impeller (2) by rolling the outer impeller thin wall (2-1).
3. The integrated rotor of magnetic pump as claimed in claim 1, wherein the inner magnet (3) is sleeved outside the magnetizer (4).
4. The integrated rotor of the magnetic pump as claimed in claim 1, wherein the inner magnet block (3) and the magnetizer (4) are fixed in the inner groove of the impeller (2) through a compression ring (6).
5. Magnetic pump integrated rotor according to claim 1, characterized in that the guide bearing (5) is provided with grooves on the inside for the circulation of a cooling liquid.
6. A magnetic pump, characterized in that it comprises an integrated rotor of a magnetic pump according to any one of claims 1 to 5.
7. The magnetic pump according to claim 6, characterized by further comprising a pump casing, a pump body wear ring (9), a shaft sleeve (10), a spacer (11), a driving end; the driving end is installed at one end of the pump shell, a plurality of outer magnetic blocks (12) are installed on the driving end, and the outer magnetic blocks (12) are located on the outer side of the inner magnetic block (3); the integrated rotor of the magnetic pump is located in the pump body, a pump body wear-resisting ring (9) is installed at the inlet of the pump body, the pump body wear-resisting ring (9) corresponds to the wear-resisting ring (1), a spacer bush (11) is supported in a guide bearing (5) through a shaft sleeve (10), and the spacer bush (11) separates an inner magnetic block (3) from an outer magnetic block (12) and is used for preventing liquid from entering the driving end.
8. The magnetic pump according to claim 6, characterized in that during assembly of the magnetic pump, an initial clearance is provided between the pump body wear ring (9) and the wear ring (1); the gap is reduced or eliminated by the axial force generated by the rotation of the integrated rotor of the magnetic pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211671493.2A CN115853822A (en) | 2022-12-26 | 2022-12-26 | Magnetic drive pump integration rotor and magnetic drive pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211671493.2A CN115853822A (en) | 2022-12-26 | 2022-12-26 | Magnetic drive pump integration rotor and magnetic drive pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115853822A true CN115853822A (en) | 2023-03-28 |
Family
ID=85654533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211671493.2A Pending CN115853822A (en) | 2022-12-26 | 2022-12-26 | Magnetic drive pump integration rotor and magnetic drive pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115853822A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2736566Y (en) * | 2004-05-17 | 2005-10-26 | 江苏大学 | Novel rotor for magnetically driven pump |
| CN2756871Y (en) * | 2004-12-29 | 2006-02-08 | 温州市安得利泵业制造有限公司 | Magnetic pump |
| CN101725544A (en) * | 2009-12-10 | 2010-06-09 | 江苏大学 | Amphibious magnetic force driving pump |
| CN201582137U (en) * | 2009-12-10 | 2010-09-15 | 江苏大学 | Amphibious magnetic driving pump |
| CN201661483U (en) * | 2009-12-10 | 2010-12-01 | 江苏大学 | Variable-frequency high-speed direct-drive liquid-cooling type magnetic pump |
| CN203453069U (en) * | 2013-07-25 | 2014-02-26 | 淄博博山鲁明化工设备有限公司 | Fluoroplastic magnetic drive pump |
| CN104153999A (en) * | 2014-07-29 | 2014-11-19 | 江苏大学 | Motor-pump-integrated micro high-speed magnetic pump |
| CN107664125A (en) * | 2017-11-03 | 2018-02-06 | 安徽龙泉泵阀制造有限公司 | Magnetic drive pump |
-
2022
- 2022-12-26 CN CN202211671493.2A patent/CN115853822A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2736566Y (en) * | 2004-05-17 | 2005-10-26 | 江苏大学 | Novel rotor for magnetically driven pump |
| CN2756871Y (en) * | 2004-12-29 | 2006-02-08 | 温州市安得利泵业制造有限公司 | Magnetic pump |
| CN101725544A (en) * | 2009-12-10 | 2010-06-09 | 江苏大学 | Amphibious magnetic force driving pump |
| CN201582137U (en) * | 2009-12-10 | 2010-09-15 | 江苏大学 | Amphibious magnetic driving pump |
| CN201661483U (en) * | 2009-12-10 | 2010-12-01 | 江苏大学 | Variable-frequency high-speed direct-drive liquid-cooling type magnetic pump |
| CN203453069U (en) * | 2013-07-25 | 2014-02-26 | 淄博博山鲁明化工设备有限公司 | Fluoroplastic magnetic drive pump |
| CN104153999A (en) * | 2014-07-29 | 2014-11-19 | 江苏大学 | Motor-pump-integrated micro high-speed magnetic pump |
| CN107664125A (en) * | 2017-11-03 | 2018-02-06 | 安徽龙泉泵阀制造有限公司 | Magnetic drive pump |
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