CN205304434U - Rotor structure and use this rotor structure's motor for pump - Google Patents
Rotor structure and use this rotor structure's motor for pump Download PDFInfo
- Publication number
- CN205304434U CN205304434U CN201521112175.8U CN201521112175U CN205304434U CN 205304434 U CN205304434 U CN 205304434U CN 201521112175 U CN201521112175 U CN 201521112175U CN 205304434 U CN205304434 U CN 205304434U
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- pad
- magnetic ring
- bearing
- rotor structure
- motor shaft
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Abstract
The utility model belongs to the technical field of the motor technique and specifically relates to a rotor structure, including magnetic ring subassembly and motor shaft, the output of motor shaft with the help of gasket fixed mounting in the magnetic ring subassembly, the gasket is moulded plastics in the magnetic ring subassembly. The utility model discloses a rotor structure's gasket is moulded plastics in the magnetic ring subassembly, and the rear cushion piece of moulding plastics does not squint and does not come off, guarantees the stability of rotor operation, utilizes pottery itself excellent slipperiness and wearability, and ceramic gasket and ceramic bearing can bear long -time high -speed friction, and ceramic gasket designs to integrated into one piece's chassis and gasket, evenly is equipped with a plurality of recesses on the outer periphery on chassis, moulds plastics in the magnetic ring subassembly in the chassis, can guarantee that ceramic gasket does not squint and does not come off.
Description
Technical field
This utility model relates to an electro-technical field, especially one pump motor and rotor structure.
Background technology
Ceramic gasket assembling complexity in the rotor structure of existing pump motor, cost is high; It addition, the most of rotor structure of synchronization drain motor in the market is together with magnet ring injection molding body is in direct contact with lower bearing, two parts materials are POM plastic, easy to wear.
Utility model content
The purpose of this utility model is the defect overcoming prior art to exist, it is provided that a kind of electric motor for pump that can bear long-time high-speed friction and stable rotor structure and use this rotor structure.
In order to realize the purpose of this utility model, be the technical scheme is that
Rotor structure of the present utility model includes magnetic ring component and motor shaft, and the outfan of described motor shaft is fixedly mounted in described magnetic ring component by pad, and described pad is injection-moulded in described magnetic ring component.
Pad described in the utility model is ceramic gasket or Graphite pad.
Pad described in the utility model includes integrated chassis and lobe, and the outer circumference surface on described chassis is uniformly provided with multiple groove, and described chassis is injection-moulded in described magnetic ring component, and described lobe axially protrudes in magnetic ring component.
The outer surface of lobe described in the utility model is shiny surface, and described shiny surface is provided with cross recess.
Magnetic ring component described in the utility model includes magnet steel and magnet ring injection molding body, and described motor shaft is fixedly mounted in magnet steel by magnet ring injection molding body.
Pad described in the utility model is injection-moulded in the magnet ring injection molding body of the outfan of motor shaft.
This utility model also provides for a kind of electric motor for pump, use above-mentioned rotor structure, including described motor shaft, pad and magnetic ring component, the outfan of described motor shaft is installed in rotation in motor casing by bearing, described bearing is arranged near described pad, has gap between side and the described pad of described bearing.
Bearing described in the utility model is ceramic bearing or graphite bearing, and described bearing is arranged in described motor casing by bearing block, and the other side of described bearing is provided with axle sealing structure.
The outfan built-up impeller assembly of motor shaft described in the utility model, described impeller assembly is controlled to start by controller.
Rotor structure of the present utility model and use the electric motor for pump of this rotor structure to provide the benefit that:
1) pad is directly injection-moulded in magnetic ring component, and assembling is simple, and after injection moulding, pad does not offset and do not fall off, it is ensured that the stability of rotor operation;
2) the excellent slickness of pottery itself and wearability, ceramic gasket and ceramic bearing is utilized can to bear long-time high-speed friction;
3) being uniformly provided with multiple groove on the chassis outer circumference surface of pad, chassis is injection-moulded in magnetic ring component, it is possible to be more solidly fixed in magnetic ring component by pad;
4) lobe of pad axially protrudes in magnetic ring component, and the outer surface of lobe is shiny surface, and shiny surface is provided with cross recess, and cross recess can reduce the friction of pad and bearing, can reduce manufacturing cost simultaneously;
5) Bearing outer is axle sealing structure, and axle sealing structure intercepts outside liquid and penetrates into rotor chamber, intercepts rotor chamber internal grease and oozes out, keep lubricity in rotor chamber, reduces friction during work, the reduction life-time dilatation of maintenance work noise.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, this utility model is described in further detail.
Fig. 1 is rotor structure schematic diagram of the present utility model;
Fig. 2 is gasket construction schematic diagram of the present utility model;
Fig. 3 is bearing mounting structure schematic diagram of the present utility model;
Fig. 4 is electric motor for pump overall structure schematic diagram of the present utility model.
Wherein: motor shaft 1; Pad 2, chassis 21, lobe 22; Magnet steel 31, magnet ring injection molding body 32; Ceramic bearing 4, bearing block 41; Motor casing 5; Axle sealing structure 6; Impeller assembly 7; Controller 8.
Detailed description of the invention
In order to make this utility model be solved the technical problem that, technical scheme and beneficial effect clearly understand, below in conjunction with drawings and Examples, this utility model is further elaborated. Should be appreciated that specific embodiment described herein is only in order to explain this utility model, be not used to limit this utility model.
In description of the present utility model, it will be appreciated that, term " radially ", " axially ", " on ", D score, " top ", " end ", " interior ", the orientation of the instruction such as " outward " or position relationship be based on orientation shown in the drawings or position relationship, it is for only for ease of description this utility model and simplifies description, rather than the device of instruction or hint indication or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model. In description of the present utility model, except as otherwise noted, " multiple " are meant that two or more.
In description of the present utility model, it is necessary to explanation, unless otherwise clearly defined and limited, term " installation ", " setting ", " connection " should be interpreted broadly, for instance, it is possible to it is fixing connection, it is also possible to be removably connect, or connect integratedly; Can be joined directly together, it is also possible to be indirectly connected to by intermediary. For the ordinary skill in the art, it is possible to understand above-mentioned term concrete meaning in this utility model as the case may be.
As Figure 1-4, the rotor structure of the present embodiment includes magnetic ring component and motor shaft 1, the outfan of motor shaft 1 is fixedly mounted in magnetic ring component by pad 2, and pad 2 is injection-moulded in magnetic ring component, pad 2 is directly injection-moulded in magnetic ring component, assembling is simple, and after injection moulding, pad does not offset and do not fall off, it is ensured that the stability of rotor operation.Specifically, magnetic ring component includes magnet steel 31 and magnet ring injection molding body 32, and pad 2 is injection-moulded in the magnet ring injection molding body 32 of the outfan of motor shaft 1, and motor shaft 1 is fixedly mounted in magnet steel 31 by magnet ring injection molding body 32.
In order to improve the stability of rotor operation further, pad 2 is designed as integrated chassis 21 and lobe 22, being uniformly provided with multiple groove on the outer circumference surface on chassis 21, chassis 21 is injection-moulded in magnetic ring component, is more difficult to offset and come off by groove setting-up piece 2.
In order to improve the wearability of pad, pad 2 is preferably ceramic gasket or Graphite pad, in order to reduce friction further, lobe 22 axially protrudes in magnetic ring component, the outer surface that lobe 22 is prominent is shiny surface, and shiny surface is provided with cross recess, and rubbing surface reduces, such cross recess can reduce the friction of pad 2 and bearing 4, can reduce manufacturing cost simultaneously.
The present embodiment also provides for a kind of electric motor for pump, use above-mentioned rotor structure, including motor shaft 1, pad 2 and magnetic ring component, the outfan of motor shaft 1 is installed in rotation in motor casing 5 by bearing 4, bearing 4 is arranged near pad 2, between side and the pad 2 of bearing 4, there is gap, so when motor runs well, bearing 4 and pad 2 do not rub, and when motor shaft 1 is by External Force Acting generation play, bearing 4 contacts with pad 2, pad 2 props up bearing 4 and avoids motor shaft 1 to channel bit, preferably, bearing 4 is ceramic bearing or graphite bearing, utilize slickness and the wearability of pottery or graphite excellence itself, pad 2 and bearing 4 can bear long-time high-speed friction, its Intermediate gasket 2 and bearing 4 have at least one to be made of ceramic materials.
Bearing 4 in the present embodiment is arranged in motor casing 5 by bearing block 41, the other side of bearing 4 is provided with axle sealing structure 6, axle sealing structure 6 intercepts outside liquid and penetrates into rotor chamber, intercept rotor chamber internal grease to ooze out, keep lubricity in rotor chamber, reduce friction during work, the reduction life-time dilatation of maintenance work noise.
Preferably, the outfan built-up impeller assembly 7 of motor shaft 1, impeller assembly 7 is started by controller 8, without arranging startup chamber in impeller assembly 7, it is to avoid prophyll wheel assembly 7 starts noise after intracavity oils and fats runs off and increases.
Should be appreciated that specific embodiment described above is only for explaining this utility model, be not used to limit this utility model. The apparent change extended out by spirit of the present utility model or variation are still among protection domain of the present utility model.
Claims (9)
1. a rotor structure, including magnetic ring component and motor shaft, it is characterized in that: the outfan of described motor shaft (1) is fixedly mounted in described magnetic ring component by pad (2), described pad (2) is injection-moulded in described magnetic ring component.
2. rotor structure according to claim 1, it is characterised in that: described pad (2) is ceramic gasket or Graphite pad.
3. rotor structure according to claim 1, it is characterized in that: described pad (2) includes integrated chassis (21) and lobe (22), the outer circumference surface on described chassis (21) is uniformly provided with multiple groove, described chassis (21) is injection-moulded in described magnetic ring component, and described lobe (22) axially protrudes in magnetic ring component.
4. rotor structure according to claim 3, it is characterised in that: the outer surface of described lobe (22) is shiny surface, and described shiny surface is provided with cross recess.
5. rotor structure according to claim 1, it is characterized in that: described magnetic ring component includes magnet steel (31) and magnet ring injection molding body (32), and described motor shaft (1) is fixedly mounted in magnet steel (31) by magnet ring injection molding body (32).
6. rotor structure according to claim 5, it is characterised in that: described pad (2) is injection-moulded in the magnet ring injection molding body (32) of the outfan of motor shaft (1).
7. an electric motor for pump, use the rotor structure as described in claim 1-5 any one, including described motor shaft (1), pad (2) and magnetic ring component, it is characterized in that: the outfan of described motor shaft (1) is installed in rotation in motor casing (5) by bearing (4), described bearing (4) is arranged near described pad (2), has gap between side and the described pad (2) of described bearing (4).
8. electric motor for pump according to claim 7, it is characterized in that: described bearing (4) is ceramic bearing or graphite bearing, described bearing (4) is arranged in described motor casing (5) by bearing block (41), and the other side of described bearing (4) is provided with axle sealing structure (6).
9. electric motor for pump according to claim 7, it is characterised in that: outfan built-up impeller assembly (7) of described motor shaft (1), described impeller assembly (7) is controlled to start by controller (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521112175.8U CN205304434U (en) | 2015-12-28 | 2015-12-28 | Rotor structure and use this rotor structure's motor for pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521112175.8U CN205304434U (en) | 2015-12-28 | 2015-12-28 | Rotor structure and use this rotor structure's motor for pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205304434U true CN205304434U (en) | 2016-06-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521112175.8U Active CN205304434U (en) | 2015-12-28 | 2015-12-28 | Rotor structure and use this rotor structure's motor for pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205304434U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019041492A1 (en) * | 2017-08-31 | 2019-03-07 | 杭州中豪电动科技股份有限公司 | Steel magnet fixation structure of disc motor and fixing technique of steel magnets |
| WO2021114675A1 (en) * | 2019-12-09 | 2021-06-17 | 安徽威灵汽车部件有限公司 | Rotor, motor, water pump and vehicle |
-
2015
- 2015-12-28 CN CN201521112175.8U patent/CN205304434U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019041492A1 (en) * | 2017-08-31 | 2019-03-07 | 杭州中豪电动科技股份有限公司 | Steel magnet fixation structure of disc motor and fixing technique of steel magnets |
| WO2021114675A1 (en) * | 2019-12-09 | 2021-06-17 | 安徽威灵汽车部件有限公司 | Rotor, motor, water pump and vehicle |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |