CN209545290U - A kind of stator module with New Insulation Structure and its external rotor electric machine of application - Google Patents
A kind of stator module with New Insulation Structure and its external rotor electric machine of application Download PDFInfo
- Publication number
- CN209545290U CN209545290U CN201920340433.XU CN201920340433U CN209545290U CN 209545290 U CN209545290 U CN 209545290U CN 201920340433 U CN201920340433 U CN 201920340433U CN 209545290 U CN209545290 U CN 209545290U
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- insulating cover
- overhang insulation
- insulation
- stator module
- stator core
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Abstract
The utility model discloses a kind of stator module with New Insulation Structure and its external rotor electric machines of application, the stator module includes stator core, overhang insulation and insulating cover, overhang insulation is mounted on the both ends of the surface of stator core, insulating cover is mounted on overhang insulation, insulating cover includes end plate, a through-hole is offered among end plate, the axially extended sleeve in through-hole edge, several boss are arranged in sleeve periphery, boss hollows out to form deep gouge, mounting hole is provided on the bottom panel of deep gouge, overhang insulation is equipped with mounting post corresponding with mounting hole, mounting post is mounted in mounting hole, insulating cover and overhang insulation are riveted together by mounting post, the part mounting post of mounting hole is stretched out by hot-riveting device riveting, mounting post and mounting hole are withheld, it is fixed on insulating cover firmly on overhang insulation, it is firmly combined, it is stable and reliable in work, also It can prevent from existing in motor operation course because temperature raising makes insulating cover deform due to obscission.
Description
Technical field:
The utility model relates to a kind of stator module with New Insulation Structure and its external rotor electric machines of application.
Background technique:
As depicted in figs. 1 and 2, existing external rotor electric machine insulation system, including stator module, outer rotor component, installation
Pedestal and insulating cover 1A, outer rotor component include rotor case, axle sleeve and shaft, and stator module is sleeved on the interior of rotor case
Chamber, rotor case are fixedly connected with shaft by axle sleeve, and stator module includes stator core, overhang insulation 2A and coil windings,
The overhang insulation 2A is mounted on stator core end face, and coil windings are wound around on stator core, and mounting seat includes end plate,
The center of end plate is protruding with receiver, and stator core is sleeved on outside receiver, and both ends are respectively provided with a bearing chamber, axis in receiver
Holding indoor location has bearing, and shaft is mounted in receiver by two bearings, between the end plate and the end of coil windings
There are gap, insulating cover 1A is placed in the gap, the insulating cover 1A is mounted on overhang insulation 2A, and insulating cover 1A is by coil
Separate between winding and end plate, through-hole 10A is offered among insulating cover 1A, it is axially projecting several convex along the edge of through-hole 10A
Platform 11A, the boss 11A are equipped with card slot 12A, and overhang insulation 2A is equipped with and the matched positioning column 21A of card slot 12A, positioning
Column 21A injects tight fit in card slot 12A, which has the following problems:
1) due to existing in motor operation course because temperature raising makes insulating cover deform, insulating cover is caused to fall off
Phenomenon, it is not high enough by the mounting means reliability of tight fit；
2) the through-hole edge of existing insulating cover does not protrude sleeve, when being mounted on insulating cover on overhang insulation, insulation
There are gap among the through-hole and overhang insulation of lid, aluminium skimmings easily enter stator winding line packet and cause turn-to-turn short in process
Road.
Utility model content:
The purpose of the utility model is to provide a kind of stator module with New Insulation Structure and its external rotor electrics of application
Machine solves to exist in motor operation course in the prior art because temperature raising makes insulating cover deform, insulating cover is caused to occur
Obscission passes through the technical problem that the mounting means reliability of tight fit is not high enough.
The purpose of this utility model is achieved by following technical proposals.
The purpose of the utility model is to provide a kind of stator module with New Insulation Structure and its external rotor electrics of application
Machine.
A kind of stator module with New Insulation Structure, including stator core, slot insulators, overhang insulation, coil windings
And insulating cover, stator core include yoke portion and teeth portion, two neighboring teeth portion forms line embedding groove, slot insulation is installed inside line embedding groove
Part, the overhang insulation are mounted on the both ends of the surface of stator core, on stator core convolute coil winding and using slot insulators and
Overhang insulation keeps apart coil windings and stator core, and insulating cover is mounted on overhang insulation, protrusion stator core both ends of the surface
Coil windings are covered by insulating cover, it is characterised in that: the insulating cover includes end plate, and it is logical that one is offered among the end plate
Several boss are arranged in hole, the axially extended sleeve in through-hole edge, sleeve periphery, and boss hollows out to form deep gouge, the bottom surface of deep gouge
Mounting hole is provided on plate, overhang insulation is equipped with mounting post corresponding with mounting hole, and mounting post is mounted in mounting hole, passes through peace
Insulating cover and overhang insulation are riveted together by dress column.
The end face of the overhang insulation be equipped with convex annular wall, when insulating cover is mounted on overhang insulation, sleeve it is interior
The outside wall surface of wall surface and convex annular wall overlaps, and the height H of the overlapping is within the scope of 1mm-3mm.
Several reinforcing ribs are equipped between the inner wall and end plate of the sleeve.
It is spaced apart between several reinforcing ribs and several boss.
The end plate is equipped with several heat release holes.
A kind of external rotor electric machine, including stator module, outer rotor component and mounting seat, it is characterised in that: the stator
Component is any one stator module described above.
The utility model compared with prior art, has the effect that
1) the utility model includes stator core, slot insulators, overhang insulation, coil windings and insulating cover, stator core
Including yoke portion and teeth portion, two neighboring teeth portion forms line embedding groove, and slot insulators, the overhang insulation peace are installed inside line embedding groove
Convolute coil winding and keep apart coil using slot insulators and overhang insulation mounted in the both ends of the surface of stator core, on stator core
Winding and stator core, insulating cover are mounted on overhang insulation, protrude the coil windings of stator core both ends of the surface by insulation housing
The insulating cover that residence is stated includes end plate, and a through-hole, the axially extended sleeve in through-hole edge, sleeve are offered among the end plate
Several boss are arranged in periphery, and boss hollows out to form deep gouge, and mounting hole is provided on the bottom panel of deep gouge, and overhang insulation is equipped with and peace
The corresponding mounting post in hole is filled, mounting post is mounted in mounting hole, insulating cover and overhang insulation is riveted together by mounting post,
Mounting post and mounting hole buckle are riveted together, make to insulate by the part mounting post that mounting hole is stretched out by hot-riveting device riveting
Lid be firmly fixed on overhang insulation, be firmly combined, it is stable and reliable in work, moreover it is possible to prevent in motor operation course there are because
Temperature raising makes insulating cover deform and obscission；
2) further advantage elaborates in a particular embodiment.
Detailed description of the invention:
Fig. 1 is partial structural diagram in the prior art；
Fig. 2 is the structural schematic diagram of insulating cover in the prior art；
Fig. 3 is the perspective view of embodiment one；
Fig. 4 is the perspective view exploded view of embodiment one；
Fig. 5 is the front view of embodiment one；
Fig. 6 is the cross-sectional view of A-A in Fig. 5；
Fig. 7 is the partial enlarged view of B in Fig. 6；
Fig. 8 is the partial enlarged view of C in Fig. 6；
Fig. 9 is the structural schematic diagram of insulating cover in embodiment one.
Specific embodiment:
The utility model is described in further detail below by specific embodiment and in conjunction with attached drawing.
Embodiment one:
As shown in figs. 3 to 9, provided in this embodiment is a kind of stator module with New Insulation Structure, including stator
Iron core 1, slot insulators, overhang insulation 2, coil windings and insulating cover 3, stator core 1 include yoke portion and teeth portion, two neighboring tooth
Portion forms line embedding groove, and slot insulators are installed inside line embedding groove, and the overhang insulation 2 is mounted on the both ends of the surface of stator core 1, fixed
Convolute coil winding and keep apart coil windings and stator core 1 using slot insulators and overhang insulation 2 on sub- iron core 1, insulate
Lid 3 is mounted on overhang insulation 2, and the coil windings of protrusion 1 both ends of the surface of stator core are covered by insulating cover 3, it is characterised in that: institute
The insulating cover 3 stated includes end plate 31, offers a through-hole 311, the axially extended set in 311 edge of through-hole among the end plate 31
Several boss 33 are arranged in cylinder 32,32 periphery of sleeve, and boss 33 is hollowed out to form deep gouge 331, is provided on the bottom panel 332 of deep gouge 331
Mounting hole 333, overhang insulation 2 are equipped with mounting post 21 corresponding with mounting hole 333, and mounting post 21 is mounted in mounting hole 333,
Insulating cover 3 and overhang insulation 2 are riveted together by mounting post 21, the portion of mounting hole 333 is stretched out by hot-riveting device riveting
Divide mounting post 21, mounting post 121 and mounting hole 333 buckled into riveting and lived, is fixed on insulating cover 3 firmly on overhang insulation 2,
It is firmly combined, it is stable and reliable in work, moreover it is possible to prevent from existing in motor operation course because temperature raising makes insulating cover 2 deform
And obscission.
The end face of the overhang insulation 2 is equipped with convex annular wall 22, when insulating cover 3 is mounted on overhang insulation 2, sleeve
32 inner wall 321 overlaps with the outside wall surface 221 of convex annular wall 22, and the height H of the overlapping is in 1mm-3mm range
It is interior, aluminium skimmings can be prevented easily to enter stator winding line packet in process and cause turn-to-turn short circuit.
Several reinforcing ribs 4 are equipped between the inner wall 321 and end plate 31 of the sleeve 32, the structure for increasing insulating cover 3 is strong
Degree, can make insulating cover 3 be not susceptible to deform at high operating temperatures.
It is spaced apart between several reinforcing ribs 4 and several boss 33, reasonable structural arrangement.
The end plate 31 is equipped with several heat release holes 312, improves heat dissipation effect.
Embodiment two:
A kind of external rotor electric machine, including stator module, outer rotor component and mounting seat, it is characterised in that: the stator
Component is any one stator module described in above-described embodiment one.
Above embodiments are the better embodiment of the utility model, and however, the embodiments of the present invention are not limited thereto,
Made changes, modifications, substitutions, combinations, simplifications under other any spiritual essence and principles without departing from the utility model are
Equivalent substitute mode, is included within the protection scope of the utility model.
Claims (6)
1. a kind of stator module with New Insulation Structure, including stator core (1), slot insulators, overhang insulation (2), coil
Winding and insulating cover (3), stator core (1) include yoke portion and teeth portion, and two neighboring teeth portion forms line embedding groove, inside line embedding groove
Slot insulators are installed, the overhang insulation (2) is mounted on the both ends of the surface of stator core (1), on stator core (1) convolute coil around
Group simultaneously keeps apart coil windings and stator core (1) using slot insulators and overhang insulation (2), and insulating cover (3) is mounted on end
It insulate on (2), the coil windings of protrusion stator core (1) both ends of the surface are covered by insulating cover (3), it is characterised in that: described is exhausted
Edge lid (3) includes end plate (31), is offered a through-hole (311) among the end plate (31), through-hole (311) edge is axially stretched
Several boss (33) are arranged in sleeve (32) out, sleeve (32) periphery, and boss (33) hollows out to be formed deep gouge (331), deep gouge (331)
It being provided on bottom panel (332) mounting hole (333), overhang insulation (2) is equipped with mounting post (21) corresponding with mounting hole (333),
It is inner that mounting post (21) is mounted on mounting hole (333), and insulating cover (3) and overhang insulation (2) are riveted on one by mounting post (21)
It rises.
2. a kind of stator module with New Insulation Structure according to claim 1, it is characterised in that: the overhang insulation
(2) end face is equipped with convex annular wall (22), when insulating cover (3) is mounted on overhang insulation (2), the inner wall of sleeve (32)
(321) it overlaps with the outside wall surface (221) of convex annular wall (22), the height H of the overlapping is within the scope of 1mm-3mm.
3. a kind of stator module with New Insulation Structure according to claim 1 or 2, it is characterised in that: the sleeve
(32) several reinforcing ribs (4) are equipped between inner wall (321) and end plate (31).
4. a kind of stator module with New Insulation Structure according to claim 3, it is characterised in that: several reinforcements
It is spaced apart between muscle (4) and several boss (33).
5. a kind of stator module with New Insulation Structure according to claim 4, it is characterised in that: the end plate (31)
It is equipped with several heat release holes (312).
6. a kind of external rotor electric machine, including stator module, outer rotor component and mounting seat, it is characterised in that: the stator pack
Part is stator module described in the claims 1 to claim 5 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920340433.XU CN209545290U (en) | 2019-03-18 | 2019-03-18 | A kind of stator module with New Insulation Structure and its external rotor electric machine of application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920340433.XU CN209545290U (en) | 2019-03-18 | 2019-03-18 | A kind of stator module with New Insulation Structure and its external rotor electric machine of application |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209545290U true CN209545290U (en) | 2019-10-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920340433.XU Active CN209545290U (en) | 2019-03-18 | 2019-03-18 | A kind of stator module with New Insulation Structure and its external rotor electric machine of application |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209545290U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113141081A (en) * | 2021-04-23 | 2021-07-20 | 浙江乐歌智能驱动科技有限公司 | Brushless DC motor with built-in controller |
| DE102021203989A1 (en) | 2021-04-21 | 2022-10-27 | Robert Bosch Gesellschaft mit beschränkter Haftung | Electrical drive unit and a method of manufacturing one |
-
2019
- 2019-03-18 CN CN201920340433.XU patent/CN209545290U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102021203989A1 (en) | 2021-04-21 | 2022-10-27 | Robert Bosch Gesellschaft mit beschränkter Haftung | Electrical drive unit and a method of manufacturing one |
| CN113141081A (en) * | 2021-04-23 | 2021-07-20 | 浙江乐歌智能驱动科技有限公司 | Brushless DC motor with built-in controller |
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