CN204497880U - A kind of iron-shell motor - Google Patents
A kind of iron-shell motor Download PDFInfo
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- CN204497880U CN204497880U CN201520064761.3U CN201520064761U CN204497880U CN 204497880 U CN204497880 U CN 204497880U CN 201520064761 U CN201520064761 U CN 201520064761U CN 204497880 U CN204497880 U CN 204497880U
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- end cap
- bearing
- iron
- heat sink
- rear end
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- Motor Or Generator Cooling System (AREA)
Abstract
The utility model discloses a kind of iron-shell motor, comprise rotating shaft, rotor assembly, stator module, front end housing and rear end cap, rotor assembly is arranged in rotating shaft, stator module is nested in outside rotor assembly, the cylindrical portion that described front end housing and rear end cap all comprise end cap bottom surface and axially extend from end cap outer side bottom surface edge, rotor assembly and stator module are arranged on inside the cylindrical portion of front end housing and rear end cap, mid portion in end cap bottom surface axially extends bearing chamber, inside bearing chamber, bearing is installed, rotating shaft two ends are bearing on the bearing of front end housing and rear end cap respectively, peripheral at bearing chamber, the bottom surface of end cap bottom surface is recessed to form annular groove, nested inside annular groove heat sink is installed, the heat that heat sink band bearing running produces, structure is simple, radiating mode is direct, effectively reduce the temperature rise of bearing, ensure that motor normally runs, extend the useful life of bearing.
Description
Technical field:
The utility model relates to a kind of iron-shell motor, particularly a kind of iron-clad stretching motor.
Background technology:
In iron-clad stretching motor, the bearing temperature rise of motor is high, has a strong impact on it and normally runs, and shortens himself useful life.At present, mainly through following several mode for reducing the bearing temperature rise of iron-clad stretching motor: 1) by reducing the temperature rise of coil windings, thus reach the object reducing bearing temperature rise, but this mode DeGrain, the temperature rise of bearing is still higher, and coil windings cost consumption is more, cost is too high, is difficult to penetration and promotion; 2) on rotor core, increase fan blade, the air-flow produced by fan blade during rotor turns dispels the heat to bearing, but this mode adds production technology and production cost, and also can not receive desirable effect; 3) on end cap, increase ventilation hole, by the flowing of outer gas stream thus the object reached bearing heat radiation, but this mode have impact on the sealing of iron-clad stretching motor on the one hand, and another fermentation can not receive desirable radiating effect.
Summary of the invention:
The purpose of this utility model is to provide a kind of iron-shell motor, by being set with heat sink outside bearing chamber, and the heat that heat sink band bearing running produces, structure is simple, and radiating mode is direct, effectively reduces the temperature rise of bearing, ensure that motor normally runs, extend the useful life of bearing.
The purpose of this utility model is achieved by following technical proposals.
A kind of iron-shell motor, comprise rotating shaft, rotor assembly, stator module, front end housing and rear end cap, rotor assembly is arranged in rotating shaft, stator module is nested in outside rotor assembly, the cylindrical portion that described front end housing and rear end cap all comprise end cap bottom surface and axially extend from end cap outer side bottom surface edge, rotor assembly and stator module are arranged on inside the cylindrical portion of front end housing and rear end cap, mid portion in end cap bottom surface axially extends bearing chamber, inside bearing chamber, bearing is installed, rotating shaft two ends are bearing on the bearing of front end housing and rear end cap respectively, peripheral at bearing chamber, the bottom surface of end cap bottom surface is recessed to form annular groove, nested inside annular groove heat sink is installed.
The end face of heat sink described above is concordant with the bottom surface of end cap bottom surface.
Heat sink described above is wrapped in the periphery of bearing chamber and the outside of bottom surface.
The bottom surface of bearing chamber described above is concordant with the bottom surface of end cap bottom surface, and the bottom surface of annular groove periphery, end cap bottom surface is provided with some buckles, and buckle is pressed on heat sink inside annular groove.
Heat sink described above adopts metal material manufacture to form.
Heat sink described above adopts aluminium manufacture to form.
Annular groove described above diminishes gradually from its opening toward the width of bottom.
Front end housing described above and rear end cap are all punching stretch end caps.
The place that the cylindrical portion of front end housing described above and rear end cap combines is extended with flange.
The utility model compared with prior art, has following effect:
1) on the bottom surface of bearing chamber periphery, end cap bottom surface, annular groove is recessed to form, nested inside annular groove heat sink is installed, the heat that heat sink band bearing running produces, structure is simple, radiating mode is direct, effectively reduce the temperature rise of bearing, ensure that motor normally runs, extend the useful life of bearing;
2) heat sink is wrapped in the periphery of bearing chamber and the outside of bottom surface, effectively increases the contact area of heat sink and bearing chamber, improves the radiating efficiency of bearing chamber;
3) on the bottom surface of annular groove periphery, end cap bottom surface, be provided with some buckles, buckle is pressed on heat sink inside annular groove, and structure is simple, easy for installation, firm;
4) heat sink adopts aluminium manufacture to form, and the advantage of lower cost of aluminium, and the perfect heat-dissipating of aluminium, can carry out quick heat radiating to bearing chamber;
5) annular groove diminishes gradually from its opening toward the width of bottom, and structure is simple, effectively increases the contact area between heat sink and bearing chamber, improve the radiating efficiency that bearing makes, meanwhile, heat sink is with certain tapering, make the installation of heat sink more firm, not easily get loose.
Accompanying drawing illustrates:
Fig. 1 is the stereogram of iron-shell motor in embodiment;
Fig. 2 is the exploded view of iron-shell motor in embodiment;
Fig. 3 is the vertical view of iron-shell motor in embodiment;
Fig. 4 is A-A cutaway view in Fig. 3;
Fig. 5 is the structural representation of iron-shell motor in embodiment two.
Embodiment:
Also by reference to the accompanying drawings the utility model is described in further detail below by specific embodiment.
Embodiment one: as Fig. 1, Fig. 2, shown in Fig. 3 and Fig. 4, the present embodiment is a kind of iron-shell motor, comprise rotating shaft 1, rotor assembly 2, stator module 3, front end housing 4 and rear end cap 5, rotor assembly 2 is arranged in rotating shaft 1, stator module 3 is nested in outside rotor assembly 2, the cylindrical portion 42 that described front end housing 4 and rear end cap 5 all comprise end cap bottom surface 41 and axially extend from the outer ledge of end cap bottom surface 41, rotor assembly 2 and stator module 3 are arranged on inside the cylindrical portion 42 of front end housing 4 and rear end cap 5, mid portion in end cap bottom surface 41 axially extends bearing chamber 43, bearing 6 is installed inside bearing chamber 43, rotating shaft 1 two ends are bearing on the bearing 6 of front end housing 4 and rear end cap 5 respectively, peripheral at bearing chamber 43, the bottom surface of end cap bottom surface 41 is recessed to form annular groove 44, nested inside annular groove 44 heat sink 7 is installed.Heat sink 7 is wrapped in the periphery of bearing chamber 43 and the outside of bottom surface.The bottom surface of bearing chamber 43 is concordant with the bottom surface of end cap bottom surface 41, and the bottom surface of annular groove 44 periphery, end cap bottom surface 41 is provided with some buckles 45, and buckle 45 is pressed on heat sink 7 inside annular groove 44.Heat sink 7 adopts aluminium manufacture to form, or adopts the good metal material of other heat conductivilitys to make.Annular groove 44 diminishes gradually from its opening toward the width of bottom, and described heat sink 7 is with certain tapering.Front end housing 4 and rear end cap 5 are all punching stretch end caps.The place that the cylindrical portion 42 of front end housing 4 and rear end cap 5 combines is extended with flange 46, and two are turned over and are installed together by screw-nut mechanism 8 between 46.
Embodiment two: as shown in Figure 5, with embodiment one difference is: the end face of heat sink 7 is concordant with the bottom surface of end cap bottom surface 41, and heat sink 7 is not wrapped in outside the bottom surface of bearing chamber 43.
Above embodiment is better embodiment of the present invention; but embodiments of the present invention are not limited thereto; other are any do not deviate from Spirit Essence of the present invention and principle under do change, modification, substitute, combine, simplify; be the substitute mode of equivalence, be included within protection scope of the present invention.
Claims (9)
1. an iron-shell motor, comprise rotating shaft (1), rotor assembly (2), stator module (3), front end housing (4) and rear end cap (5), rotor assembly (2) is arranged in rotating shaft (1), stator module (3) is nested in rotor assembly (2) outside, the cylindrical portion (42) that described front end housing (4) and rear end cap (5) all comprise end cap bottom surface (41) and axially extend from end cap bottom surface (41) outer ledge, rotor assembly (2) and stator module (3) are arranged on cylindrical portion (42) the inside of front end housing (4) and rear end cap (5), axially bearing chamber (43) is extended at the mid portion of end cap bottom surface (41), in bearing chamber (43) the inside, bearing (6) is installed, rotating shaft (1) two ends are bearing on the bearing (6) of front end housing (4) and rear end cap (5) respectively, it is characterized in that: peripheral at bearing chamber (43), the bottom surface of end cap bottom surface (41) is recessed to form annular groove (44), nested heat sink (7) is installed in annular groove (44) the inside.
2. a kind of iron-shell motor according to claim 1, is characterized in that: the end face of heat sink (7) is concordant with the bottom surface of end cap bottom surface (41).
3. a kind of iron-shell motor according to claim 1, is characterized in that: heat sink (7) is wrapped in the periphery of bearing chamber (43) and the outside of bottom surface.
4. a kind of iron-shell motor according to claim 1 or 2 or 3, it is characterized in that: the bottom surface of bearing chamber (43) is concordant with the bottom surface of end cap bottom surface (41), the bottom surface of annular groove (44) periphery, end cap bottom surface (41) is provided with some buckles (45), and buckle (45) is pressed on annular groove (44) the inside heat sink (7).
5. a kind of iron-shell motor according to claim 1 or 2 or 3, is characterized in that: described heat sink (7) adopts metal material manufacture to form.
6. a kind of iron-shell motor according to claim 5, is characterized in that: described heat sink (7) adopts aluminium manufacture to form.
7. a kind of iron-shell motor according to claim 1 or 2 or 3, is characterized in that: described annular groove (44) diminishes gradually from its opening toward the width of bottom.
8. a kind of iron-shell motor according to claim 1 or 2 or 3, is characterized in that: front end housing (4) and rear end cap (5) are all punching stretch end caps.
9. a kind of iron-shell motor according to claim 8, is characterized in that: the place that the cylindrical portion (42) of front end housing (4) and rear end cap (5) combines is extended with flange (46).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520064761.3U CN204497880U (en) | 2015-01-29 | 2015-01-29 | A kind of iron-shell motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520064761.3U CN204497880U (en) | 2015-01-29 | 2015-01-29 | A kind of iron-shell motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204497880U true CN204497880U (en) | 2015-07-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520064761.3U Active CN204497880U (en) | 2015-01-29 | 2015-01-29 | A kind of iron-shell motor |
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| CN (1) | CN204497880U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105827054A (en) * | 2016-03-17 | 2016-08-03 | 周利 | Motor capable of self cooling and ventilation |
| CN106549527A (en) * | 2015-09-17 | 2017-03-29 | 上海金陵电机股份有限公司 | A kind of heat resisting motor |
| CN109995209A (en) * | 2019-04-30 | 2019-07-09 | 中山大洋电机股份有限公司 | A kind of motor for double-ended drive |
| CN110380559A (en) * | 2018-04-13 | 2019-10-25 | 元山科技工业股份有限公司 | Motor |
| CN110994855A (en) * | 2019-12-09 | 2020-04-10 | 湖南粤港模科实业有限公司 | Universal motor fixing device |
| CN111342595A (en) * | 2018-12-18 | 2020-06-26 | 汉格斯特欧洲股份公司 | Electric motor with rolling bearing and device for dissipating heat from the rolling bearing |
-
2015
- 2015-01-29 CN CN201520064761.3U patent/CN204497880U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106549527A (en) * | 2015-09-17 | 2017-03-29 | 上海金陵电机股份有限公司 | A kind of heat resisting motor |
| CN105827054A (en) * | 2016-03-17 | 2016-08-03 | 周利 | Motor capable of self cooling and ventilation |
| CN110380559A (en) * | 2018-04-13 | 2019-10-25 | 元山科技工业股份有限公司 | Motor |
| CN111342595A (en) * | 2018-12-18 | 2020-06-26 | 汉格斯特欧洲股份公司 | Electric motor with rolling bearing and device for dissipating heat from the rolling bearing |
| CN111342595B (en) * | 2018-12-18 | 2023-02-28 | 汉格斯特欧洲股份公司 | Electric motor with rolling bearing and device for dissipating heat from the rolling bearing |
| CN109995209A (en) * | 2019-04-30 | 2019-07-09 | 中山大洋电机股份有限公司 | A kind of motor for double-ended drive |
| CN110994855A (en) * | 2019-12-09 | 2020-04-10 | 湖南粤港模科实业有限公司 | Universal motor fixing device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |