CN203660711U - Stretching end cover motor - Google Patents
Stretching end cover motor Download PDFInfo
- Publication number
- CN203660711U CN203660711U CN201320806738.8U CN201320806738U CN203660711U CN 203660711 U CN203660711 U CN 203660711U CN 201320806738 U CN201320806738 U CN 201320806738U CN 203660711 U CN203660711 U CN 203660711U
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- CN
- China
- Prior art keywords
- end cap
- heat sink
- rear end
- rotor assembly
- end cover
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000004804 winding Methods 0.000 claims abstract description 6
- 238000009434 installation Methods 0.000 abstract description 7
- 230000017525 heat dissipation Effects 0.000 abstract 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract 3
- 238000003475 lamination Methods 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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- Motor Or Generator Cooling System (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The utility model discloses a stretching end cover motor which comprises a rotating shaft, a rotor assembly, a stator assembly, a front end cover and a rear end cover. The rotor assembly is arranged on the rotating shaft. The stator assembly sleeves the rotor assembly. The front end cover and the rear end cover comprise bottom faces and cylinders which axially extend from the edges of the bottom faces. A bearing chamber axially extends from the middle part of each bottom face. A bearing is arranged in each bearing chamber. The stator assembly comprises a stator iron core, a coil winding which is wound on the stator iron core, and an annular heat dissipation part. The heat dissipation part is nested outside the stator iron core. The front end cover and the rear end cover are respectively arranged on two ends of the heat dissipation part to form a cavity. The rotor assembly and the stator assembly are arranged in the cavity. The stretching end cover motor has the advantages of simple structure, convenient installation, good heat dissipation performance and low cost, and is suitable for a motor of any lamination thickness.
Description
Technical field:
The utility model relates to a kind of stretching end cap motor.
Background technology:
Existing stretching end cap motor comprises rotating shaft, rotor assembly, stator module, casing, front end housing and rear end cap, rotor assembly is arranged in rotating shaft, stator module and casing link together and are nested in rotor assembly outside, front end housing is together with rear end cap connection and form cavity, rotor assembly and stator module are arranged on cavity the inside, but there is following several problem in the stretching end cap motor of this structure: the cavity 1) forming together with rear end cap connection due to front end housing seals, the radiating condition of cavity is poor, the heat that causes stator module operation to produce is difficult to leave, finally will affect the normal operation of motor, reduce the operational efficiency of motor, 2) folded thick longer due to stator module, so the length of the front end housing needing and rear end cap axial tension is relatively long, this just need to increase the raw material of front end housing and rear end cap, increase production cost.
Summary of the invention:
The purpose of this utility model is to provide a kind of stretching end cap motor, and this is simple in structure, easy for installation, perfect heat-dissipating, and cost is low, is applicable to fold arbitrarily thick motor.
The purpose of this utility model is achieved by following technical proposals.
A kind of stretching end cap 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 enclosed within rotor assembly outside, front end housing and rear end cap all comprise bottom surface and the cylinder extending axially out from bottom edge, the mid portion of bottom surface extends axially out bearing chamber, in bearing chamber the inside, bearing is installed, described stator module comprises stator core and is wound on the coil windings on stator core, it also comprises annular heat sink, heat sink is nested in stator core outside, front end housing and rear end cap are arranged on respectively the two ends of heat sink and form cavity, rotor assembly and stator module are arranged on cavity the inside.
In the end edge of cylinder described above, be extended with outward annular flange, the annular flange of two cylinders is bearing in respectively in the both ends of the surface of heat sink.
In the end edge of cylinder described above, be extended with outward some lugs, be extended with some projections on the outer surface of heat sink, the lug of front end housing and rear end cap is bearing in respectively in the both ends of the surface of projection and is installed together with projection.
The described above screw that passes through coordinates the lug of front end housing and rear end cap and projection is installed together with nut, on lug, offer the first through hole, on projection, offer the second through hole being communicated with the first through hole, screw coordinates the two ends that front end housing and rear end cap are arranged on respectively to heat sink with nut check through the first through hole and the second through hole.
The quantity of projection described above is 2, and projection is symmetrically distributed on the outer surface of heat sink, and the lug quantity on each cylinder is also 2, and lug is symmetrically distributed in the end edge of cylinder.
On the inside edge of the both ends of the surface of heat sink described above, be all extended with annular boss, the internal face of cylinder end edge is close on the lateral surface of annular boss.
Annular heat sink described above and stator core are by press-fiting or together with hot jacket mode closely cooperates.
The utility model compared with prior art, there is following effect: 1) rotor assembly is arranged in rotating shaft, stator module is enclosed within rotor assembly outside, front end housing and rear end cap all comprise bottom surface and the cylinder extending axially out from bottom edge, the mid portion of bottom surface extends axially out bearing chamber, in bearing chamber the inside, bearing is installed, described stator module comprises stator core and is wound on the coil windings on stator core, it also comprises annular heat sink, heat sink is nested in stator core outside, front end housing and rear end cap are arranged on respectively the two ends of heat sink and form cavity, rotor assembly and stator module are arranged on cavity the inside, this is simple in structure, easy for installation, heat sink and stator core close contact, the heat producing can well take away stator module operation by heat sink time, improve the operational efficiency of motor, heat sink is as the middleware of front end housing and rear end cap connection simultaneously, make front end housing and rear end cap just can meet installation than coil windings high 1 to 3mm, thereby make this stretching end cap motor can apply to fold arbitrarily thick motor, 2) in the end edge of cylinder, be extended with outward annular flange, the annular flange of two cylinders is bearing in respectively in the both ends of the surface of heat sink, simple in structure, convenient installation, 3) coordinate the lug of front end housing and rear end cap and projection are installed together with nut by screw, on lug, offer the first through hole, on projection, offer the second through hole being communicated with the first through hole, screw coordinates the two ends that front end housing and rear end cap are arranged on respectively to heat sink with nut check through the first through hole and the second through hole, simple in structure, easy for installation, solid and reliable, 4) on the inside edge of the both ends of the surface of heat sink, be all extended with annular boss, the internal face of cylinder end edge is close on the lateral surface of annular boss, simple in structure, coordinates closely, and reliability is high.
Brief description of the drawings:
Fig. 1 is stereogram of the present utility model;
Fig. 2 is exploded view of the present utility model;
Fig. 3 is vertical view of the present utility model;
Fig. 4 is A-A cutaway view in Fig. 3;
Fig. 5 is B-B part enlarged drawing in Fig. 4.
Embodiment:
Also by reference to the accompanying drawings the utility model is described in further detail below by specific embodiment.
As shown in Figures 1 to 5, the utility model is a kind of stretching end cap 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 enclosed within rotor assembly 2 outsides, front end housing 4 and rear end cap 5 all comprise the cylinder 42 that 41 edges, 41He Cong bottom surface, bottom surface extend axially out, the mid portion of bottom surface 41 extends axially out bearing chamber 411, in bearing chamber 411 the insides, bearing is installed, described stator module 3 comprises stator core 31 and is wound on the coil windings 32 on stator core 31, it also comprises annular heat sink 6, heat sink 6 is nested in stator core 31 outsides, front end housing 4 and rear end cap 5 are arranged on respectively the two ends of heat sink 6 and form cavity 43, rotor assembly 2 and stator module 3 are arranged on cavity 43 the insides.
The annular flange 421 that is extended with outward annular flange 421, two cylinders 42 in the end edge of cylinder 42 is bearing in respectively in the both ends of the surface of heat sink 6.
In the end edge of cylinder 42, be extended with outward some lugs 422, be extended with some projections 61 on the outer surface of heat sink 6, the lug 422 of front end housing 4 and rear end cap 5 is bearing in respectively in the both ends of the surface of projection 61 and is installed together with projection 61.
Coordinate with nut 8 by screw 7 lug 422 of front end housing 4 and rear end cap 5 is installed together with projection 61, on lug 422, offer the first through hole 4220, on projection 61, offer the second through hole 610 being communicated with the first through hole 4220, screw 7 is locked and is coordinated the two ends that front end housing 4 and rear end cap 5 are arranged on respectively to heat sink 6 through the first through hole 4220 and the second through hole 610 and nut 8.
The quantity of projection 61 is 2, and projection 61 is symmetrically distributed on the outer surface of heat sink 6, and lug 422 quantity on each cylinder 42 are also 2, and lug 422 is symmetrically distributed in the end edge of cylinder 42.
On the inside edge of the both ends of the surface of heat sink 6, be all extended with annular boss 62, the internal face of cylinder 42 end edge is close on the lateral surface of annular boss 62.
Principle of the present utility model is: heat sink 6 is nested in stator core 31 outsides, front end housing 4 and rear end cap 5 are arranged on respectively the two ends of heat sink 6 and form cavity 43, rotor assembly 2 and stator module 3 are arranged on cavity 43 the insides, this is simple in structure, easy for installation, perfect heat-dissipating, cost is low, is applicable to fold arbitrarily thick motor.
Above embodiment is preferred embodiments of the present invention; but embodiments of the present invention are not limited to this; other are any does not deviate from change, the modification done under Spirit Essence of the present invention and principle, substitute, combination, simplify; be equivalent substitute mode, within being included in protection scope of the present invention.
Claims (7)
1. a stretching end cap 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 enclosed within rotor assembly (2) outside, front end housing (4) and rear end cap (5) all comprise bottom surface (41) and the cylinder (42) that (41) edge extends axially out from bottom surface, the mid portion of bottom surface (41) extends axially out bearing chamber (411), in bearing chamber (411) the inside, bearing is installed, described stator module (3) comprises stator core (31) and is wound on the coil windings (32) on stator core (31), it is characterized in that: it also comprises annular heat sink (6), heat sink (6) is nested in stator core (31) outside, front end housing (4) and rear end cap (5) are arranged on respectively the two ends of heat sink (6) and form cavity (43), rotor assembly (2) and stator module (3) are arranged on cavity (43) the inside.
2. a kind of stretching end cap motor according to claim 1, it is characterized in that: in the end edge of cylinder (42), be extended with outward annular flange (421), the annular flange (421) of two cylinders (42) is bearing in respectively in the both ends of the surface of heat sink (6).
3. a kind of stretching end cap motor according to claim 1 and 2, it is characterized in that: in the end edge of cylinder (42), be extended with outward some lugs (422), on the outer surface of heat sink (6), be extended with some projections (61), the lug (422) of front end housing (4) and rear end cap (5) is bearing in respectively in the both ends of the surface of projection (61) and is installed together with projection (61).
4. a kind of stretching end cap motor according to claim 3, it is characterized in that: coordinate with nut (8) by screw (7) lug (422) of front end housing (4) and rear end cap (5) and projection (61) are installed together, on lug (422), offer the first through hole (4220), on projection (61), offer the second through hole (610) being communicated with the first through hole (4220), screw (7) is locked and is coordinated the two ends that front end housing (4) and rear end cap (5) are arranged on respectively to heat sink (6) through the first through hole (4220) and the second through hole (610) and nut (8).
5. a kind of stretching end cap motor according to claim 3, it is characterized in that: the quantity of described projection (61) is 2, projection (61) is symmetrically distributed on the outer surface of heat sink (6), lug (422) quantity on each cylinder (42) is also 2, and lug (422) is symmetrically distributed in the end edge of cylinder (42).
6. a kind of stretching end cap motor according to claim 3, it is characterized in that: on the inside edge of the both ends of the surface of heat sink (6), be all extended with annular boss (62), the internal face of cylinder (42) end edge is close on the lateral surface of annular boss (62).
7. a kind of stretching end cap motor according to claim 1 and 2, is characterized in that: heat sink (6) and the stator core (31) of annular is by press-fiting or together with hot jacket mode closely cooperates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320806738.8U CN203660711U (en) | 2013-12-09 | 2013-12-09 | Stretching end cover motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320806738.8U CN203660711U (en) | 2013-12-09 | 2013-12-09 | Stretching end cover motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203660711U true CN203660711U (en) | 2014-06-18 |
Family
ID=50927061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320806738.8U Expired - Lifetime CN203660711U (en) | 2013-12-09 | 2013-12-09 | Stretching end cover motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203660711U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104079104A (en) * | 2014-07-16 | 2014-10-01 | 浙江伟康电机有限公司 | Stretched iron end cover structure used for roller washing machine series excited motor |
| CN104979979A (en) * | 2015-07-26 | 2015-10-14 | 惠而浦（中国）股份有限公司 | End cap assembly of single-phase asynchronous motor for washing machine |
| CN114172300A (en) * | 2020-09-15 | 2022-03-11 | 佛山市威灵洗涤电机制造有限公司 | Motor and washing machine |
| WO2022057129A1 (en) * | 2020-09-15 | 2022-03-24 | 佛山市威灵洗涤电机制造有限公司 | Electric motor and washing machine |
-
2013
- 2013-12-09 CN CN201320806738.8U patent/CN203660711U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104079104A (en) * | 2014-07-16 | 2014-10-01 | 浙江伟康电机有限公司 | Stretched iron end cover structure used for roller washing machine series excited motor |
| CN104979979A (en) * | 2015-07-26 | 2015-10-14 | 惠而浦（中国）股份有限公司 | End cap assembly of single-phase asynchronous motor for washing machine |
| CN114172300A (en) * | 2020-09-15 | 2022-03-11 | 佛山市威灵洗涤电机制造有限公司 | Motor and washing machine |
| CN114189084A (en) * | 2020-09-15 | 2022-03-15 | 佛山市威灵洗涤电机制造有限公司 | Motor and washing machine |
| WO2022057129A1 (en) * | 2020-09-15 | 2022-03-24 | 佛山市威灵洗涤电机制造有限公司 | Electric motor and washing machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140618 |
|
| CX01 | Expiry of patent term |