CN209896797U - Stator module and outer rotor motor using same - Google Patents
Stator module and outer rotor motor using same Download PDFInfo
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- CN209896797U CN209896797U CN201920832659.1U CN201920832659U CN209896797U CN 209896797 U CN209896797 U CN 209896797U CN 201920832659 U CN201920832659 U CN 201920832659U CN 209896797 U CN209896797 U CN 209896797U
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Abstract
The utility model discloses a stator module and an external rotor motor using the same, which comprises a stator module, an external rotor module, a rotating shaft, a bearing seat and a bearing, wherein the external rotor module is connected with the rotating shaft, the external rotor module is sleeved outside the stator module, the rotating shaft is supported and installed on the bearing, the stator module comprises a stator core, an upper end insulator, a lower end insulator and a coil winding, the stator core comprises a yoke part and a tooth part, two adjacent tooth parts form a coil inserting groove, the upper end insulator and the lower end insulator are respectively installed at two ends of the stator core, an insulating sleeve is arranged between the upper end insulator and the lower end insulator, the insulating sleeve is installed in the coil inserting groove of the stator core, the coil winding is wound on the stator core, the coil winding is isolated from the coil winding and the stator core by the insulating sleeve, the upper end insulator and, the turn-to-turn voltage resistance of the motor is guaranteed to be qualified, and the mounting structure is simple.
Description
The technical field is as follows:
the utility model relates to a stator module and external rotor electric machine who uses thereof.
Background art:
the existing stator assembly comprises a stator core, slot insulators, end insulators and coil windings, wherein the stator core comprises yoke parts and tooth parts, the adjacent two tooth parts form a slot embedding, the slot insulators are arranged in the slot embedding, the end insulators are arranged on two end faces of the stator core, the coil windings are wound on the stator core and are isolated from the coil windings and the stator core by utilizing the slot insulators and the end insulators, a mounting sleeve is arranged in the middle of the end insulators, a central hole is formed in the middle of the mounting sleeve, the bottom of the mounting sleeve extends out of the insulating yoke parts, a plurality of insulating tooth parts are protruded from the edges of the insulating yoke parts at intervals along the circumferential direction, the insulating yoke parts of the end insulators and the yoke parts of the stator core are installed in a matching mode, the insulating tooth parts of the end insulators and the tooth parts of the stator core are installed in a matching mode, the slot, because there is not fixed knot to construct between groove insulator and the rule groove, separate easily between the notch portion of groove insulator and the rule groove in production process, lead to the wire winding to be that the enameled wire enters into the gap between groove insulator and the rule groove from notch position easily, lead to the motor to appear turn-to-turn withstand voltage unqualified problem, groove paper installation process is loaded down with trivial details.
The utility model has the following contents:
the utility model aims at providing a stator module and external rotor electric machine who uses thereof solves among the prior art easy separation between the notch portion of groove insulating part and the rule groove, leads to the wire winding to be the enameled wire and enters into the gap between groove insulating part and the rule groove from notch position easily, leads to the motor to appear turn-to-turn withstand voltage nonconforming, the loaded down with trivial details technical problem of groove paper installation procedure.
The purpose of the utility model is realized by the following technical scheme.
The utility model provides a stator module, includes stator core, upper end portion insulation, lower tip insulation and coil winding, and stator core includes yoke portion and tooth, and two adjacent tooth form rule groove, the both ends at stator core are installed respectively to upper end portion insulation and lower tip insulation, be provided with first installation sleeve in the middle of the upper end portion insulation, seted up first centre bore in the middle of the first installation sleeve, first installation sleeve bottom is toward extending first insulation yoke portion outward, the edge of first insulation yoke portion has a plurality of first insulation tooth portions along the circumference interval protrusion, be provided with second installation sleeve in the middle of the lower tip insulation, seted up the second centre bore in the middle of the second installation sleeve, second installation sleeve bottom is toward extending second insulation yoke portion outward, the edge of second insulation yoke portion has a plurality of second insulation tooth portions along the circumference interval protrusion, upper end portion insulation's first insulation yoke portion and lower tip insulation second insulation yoke portion respectively with stator core both ends insulation The yoke portion of (1) be the installation of matcing, the insulating first insulating tooth portion of tip and the insulating second insulating tooth portion of tip down are the installation of matcing with the tooth portion at stator core both ends respectively, its characterized in that: and an insulation sleeve is arranged between the upper end insulation and the lower end insulation, the insulation sleeve is installed in a wire embedding groove of the stator core, and the stator core is wound with a coil winding and is isolated from the coil winding and the stator core by utilizing the insulation sleeve, the upper end insulation and the lower end insulation.
The insulating external member includes that the cross sectional shape of first groove insulating part and second groove insulating part matches with the rule groove shape, forms hollow cover tube-shape in the middle of first groove insulating part and the second groove insulating part, and first groove insulating part and second groove insulating part suit each other together.
The surface of the second groove insulating part is provided with a limiting step, and when the first groove insulating part is sleeved on the second groove insulating part, the first groove insulating part abuts against the limiting step when reaching a limit position.
The bottom of the upper end portion insulator is provided with a plurality of first groove insulators and a plurality of second groove insulators, the bottom of the lower end portion insulator is provided with a plurality of first groove insulators and a plurality of second groove insulators, the first groove insulators of the upper end portion insulator and the second groove insulators of the lower end portion insulator are correspondingly matched and installed, and the second groove insulators of the upper end portion insulator and the first groove insulators of the lower end portion insulator are correspondingly matched and installed.
The upper end portion insulation is provided with a plurality of first groove insulation pieces, the lower end portion insulation is provided with a plurality of second groove insulation pieces, and the upper end portion insulation pieces and the lower end portion insulation pieces are correspondingly matched and installed.
The top of the tooth head part of the first insulating tooth part with the insulated upper end part axially extends out of a first boss, the edges of two sides of the first boss are inclined, the top of the tooth head part of the second insulating tooth part with the insulated lower end part axially extends out of a second boss, and the edges of two sides of the second boss are inclined.
The bottom of first insulating yoke portion and second insulating yoke portion is gone up a plurality of first projection and a plurality of second projection of axial bulge respectively, be equipped with the locating hole that corresponds with first projection and second projection on stator core's the terminal surface, first projection and second projection nestification are in the locating hole.
The utility model provides an external rotor electric machine, includes stator module, external rotor subassembly, pivot, bearing frame and bearing, and the external rotor subassembly gets up with the pivot installation, and the external rotor subassembly cover is in the stator module outside, and the pivot supports to be installed on the bearing, its characterized in that: the stator assembly is any of the stator assemblies described above.
Compared with the prior art, the utility model, following effect has:
1) the utility model comprises a stator core, an upper end insulation part, a lower end insulation part and a coil winding, wherein the upper end insulation part and the lower end insulation part are respectively arranged at two ends of the stator core, a first installation sleeve is arranged in the middle of the upper end insulation part, a first center hole is arranged in the middle of the first installation sleeve, a first insulation yoke part extends outwards from the bottom of the first installation sleeve, a plurality of first insulation tooth parts are protruded at the edge of the first insulation yoke part along the circumferential direction at intervals, a second installation sleeve is arranged in the middle of the lower end insulation part, a second center hole is arranged in the middle of the second installation sleeve, a second insulation yoke part extends outwards from the bottom of the second installation sleeve, a plurality of second insulation tooth parts are protruded at the edge of the second insulation yoke part along the circumferential direction at intervals, the first insulation yoke part of the upper end insulation part and the second insulation yoke part of the, the first insulating tooth portion of upper end portion insulation and the second insulating tooth portion of tip insulation down are the installation that matches with the tooth portion at stator core both ends respectively, its characterized in that: an insulation sleeve is arranged between the upper end insulation and the lower end insulation, the insulation sleeve is installed in a wire embedding groove of the stator core, the coil winding is wound on the stator core, the coil winding and the stator core are isolated by the insulation sleeve, the upper end insulation and the lower end insulation, the coil winding can be prevented from contacting the stator core when wound, the turn-to-turn voltage resistance of the motor is guaranteed to be qualified, and the installation structure is simple;
2) other advantages are detailed in the detailed description of the embodiments.
Description of the drawings:
fig. 1 is a perspective view of a first embodiment of the present invention;
fig. 2 is a partial exploded view of a first embodiment of the present invention;
fig. 3 is another angle partial structure exploded view of the first embodiment of the present invention;
fig. 4 is a top view of a first embodiment of the invention;
FIG. 5 is a cross-sectional view A-A of FIG. 4;
fig. 6 is a schematic partial structure diagram of a first embodiment of the present invention;
FIG. 7 is a cross-sectional view B-B of FIG. 6;
fig. 8 is a schematic structural diagram of a first embodiment of the present invention;
fig. 9 is a schematic structural view of a second embodiment of the present invention.
The specific implementation mode is as follows:
the present invention will be described in further detail with reference to the following detailed description of preferred embodiments and accompanying drawings.
The first embodiment is as follows:
as shown in fig. 1 to 8, the present embodiment provides a stator assembly, which includes a stator core 1, an upper end insulator 3, a lower end insulator 4 and a coil winding 5, wherein the stator core 1 includes a yoke portion 11 and tooth portions 12, two adjacent tooth portions 12 form a slot 13, the upper end insulator 3 and the lower end insulator 4 are respectively installed at two ends of the stator core 1, a first installation sleeve 31 is disposed in the middle of the upper end insulator 3, a first central hole 32 is formed in the middle of the first installation sleeve 31, a first insulation yoke portion 33 extends from the bottom of the first installation sleeve 31, a plurality of first insulation tooth portions 34 protrude from the edge of the first insulation yoke portion 33 at intervals along the circumferential direction, a second installation sleeve 41 is disposed in the middle of the lower end insulator 4, a second central hole 42 is formed in the middle of the second installation sleeve 41, a second insulation yoke portion 43 extends from the bottom of the second installation sleeve 41, a plurality of second insulating tooth parts 44 are protruded from the edge of the second insulating yoke part 43 at intervals along the circumferential direction, the first insulating yoke part 33 of the upper end part insulator 3 and the second insulating yoke part 43 of the lower end part insulator 4 are respectively installed in a matching way with the yoke parts 11 at two ends of the stator core 1, the first insulating tooth part 34 of the upper end part insulator 3 and the second insulating tooth part 44 of the lower end part insulator 4 are respectively installed in a matching way with the tooth parts 12 at two ends of the stator core 1, and the stator core is characterized in that: be equipped with insulating external member 2 between upper end portion insulation 3 and the lower tip insulation 4, insulating external member 2 is installed in stator core 1's rule groove 13, and stator core 1 goes up to roll up coil winding 5 and utilizes insulating external member 2, upper end portion insulation 3 and lower tip insulation 4 to keep apart coil winding 5 and stator core 1, can prevent coil winding 5 contact with stator core 1 when winding through insulating external member, guarantees that the withstand voltage is qualified between the motor turn, and mounting structure is simple.
Insulating external member 2 includes that the cross sectional shape of first groove insulating part 21 and second groove insulating part 22 matches with rule groove 13 shape, forms hollow cover tube-shape in the middle of first groove insulating part 21 and the second groove insulating part 22, and first groove insulating part 21 and the mutual suit of second groove insulating part 22 are in the same place, simple structure, simple to operate.
The surface of the second slot insulator 22 is provided with a limiting step 221, when the first slot insulator 21 is sleeved on the second slot insulator 22 and reaches a limit position, the first slot insulator and the second slot insulator abut against the limiting step 221, the stator cores with different thicknesses are met by axially extending the first slot insulator and the second slot insulator, and the application range is wide.
Be equipped with a plurality of first groove insulating part 21 and a plurality of second groove insulating part 22 on the bottom of upper end portion insulation 3, be equipped with a plurality of first groove insulating part 21 and a plurality of second groove insulating part 22 on the bottom of tip insulation 4 down, the first groove insulating part 21 of tip insulation 3 corresponds the installation of matcing with the second groove insulating part 22 of tip insulation 4 down, the second groove insulating part 22 of tip insulation 3 corresponds the installation of matcing with the first groove insulating part 21 of tip insulation 4 down, and mounting structure is simple.
The top of the tooth head of the first insulating tooth part 34 of the upper end insulating part 3 extends upwards to form a first boss 341 in the axial direction, the edges of two sides of the first boss 341 are inclined, the top of the tooth head of the second insulating tooth part 44 of the lower end insulating part 4 extends upwards to form a second boss 441 in the axial direction, and the edges of two sides of the second boss 441 are inclined, so that the coil winding 5 can smoothly enter the wire embedding groove 13 during winding.
A plurality of first convex columns 331 and a plurality of second convex columns 431 axially protrude from the bottoms of the first insulating yoke portion 33 and the second insulating yoke portion 43 respectively, positioning holes 10 corresponding to the first convex columns 331 and the second convex columns 431 are formed in the two end faces of the stator core 1, the first convex columns 331 and the second convex columns 431 are nested in the positioning holes 10, and the stator core is simple in structure and convenient and quick to position and install.
Example two:
as shown in fig. 9, this embodiment is a further improvement based on the first embodiment, a plurality of first slot insulators 21 are disposed on the upper end insulator 3, a plurality of second slot insulators 22 are disposed on the lower end insulator 4, and the first slot insulators 21 of the upper end insulator 3 and the second slot insulators 22 of the lower end insulator 4 are correspondingly and fittingly mounted.
Example three:
this implementation is an external rotor electric machine, including stator module, external rotor subassembly, pivot, bearing frame and bearing, external rotor subassembly and pivot erection joint get up, and external rotor subassembly cover is in the stator module outside, and the pivot supports to be installed on the bearing, its characterized in that: the stator assembly is the stator assembly described in the first or second embodiment.
The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited thereto, and any other changes, modifications, substitutions, combinations, and simplifications made without departing from the spirit and principle of the present invention are equivalent replacement modes, and are all included in the scope of the present invention.
Claims (8)
1. A stator assembly comprises a stator core (1), an upper end insulator (3), a lower end insulator (4) and a coil winding (5), wherein the stator core (1) comprises a yoke part (11) and a tooth part (12), the adjacent two tooth parts (12) form a wire embedding groove (13), the upper end insulator (3) and the lower end insulator (4) are respectively installed at two ends of the stator core (1), a first installation sleeve (31) is arranged in the middle of the upper end insulator (3), a first center hole (32) is formed in the middle of the first installation sleeve (31), the bottom of the first installation sleeve (31) extends outwards to form a first insulator yoke part (33), a plurality of first insulator tooth parts (34) protrude from the edge of the first insulator yoke part (33) at intervals along the circumferential direction, a second installation sleeve (41) is arranged in the middle of the lower end insulator (4), and a second center hole (42) is formed in the middle of the second installation sleeve (41), the bottom of the second mounting sleeve (41) extends outwards to form a second insulating yoke part (43), a plurality of second insulating tooth parts (44) are arranged on the edge of the second insulating yoke part (43) in a protruding mode along the circumferential direction at intervals, the first insulating yoke part (33) of the upper end portion insulator (3) and the second insulating yoke part (43) of the lower end portion insulator (4) are installed in a matched mode with the yoke parts (11) at the two ends of the stator core (1) respectively, the first insulating tooth part (34) of the upper end portion insulator (3) and the second insulating tooth part (44) of the lower end portion insulator (4) are installed in a matched mode with the tooth parts (12) at the two ends of the stator core (1) respectively, and the stator is characterized in that: be equipped with between upper end portion insulation (3) and lower tip insulation (4) insulating external member (2), install in inserting line groove (13) of stator core (1) insulating external member (2), coil winding (5) and utilize insulating external member (2), upper end portion insulation (3) and lower tip insulation (4) to keep apart coil winding (5) and stator core (1) on stator core (1).
2. A stator assembly according to claim 1, wherein: the insulating sleeve (2) comprises a first groove insulating part (21) and a second groove insulating part (22), the cross section shapes of the first groove insulating part and the second groove insulating part are matched with the shape of the embedding groove (13), a hollow sleeve shape is formed between the first groove insulating part (21) and the second groove insulating part (22), and the first groove insulating part (21) and the second groove insulating part (22) are mutually sleeved together.
3. A stator assembly according to claim 2, wherein: the surface of the second groove insulating part (22) is provided with a limiting step (221), and when the first groove insulating part (21) is sleeved on the second groove insulating part (22), the first groove insulating part abuts against the limiting step (221) when reaching a limit position.
4. A stator assembly according to claim 1, 2 or 3, characterized in that: be equipped with a plurality of first groove insulating part (21) and a plurality of second groove insulating part (22) on the bottom of upper end portion insulation (3), be equipped with a plurality of first groove insulating part (21) and a plurality of second groove insulating part (22) on the bottom of tip insulation (4) down, the first groove insulating part (21) of tip insulation (3) and second groove insulating part (22) of tip insulation (4) correspond the matching installation down, the second groove insulating part (22) of tip insulation (3) and first groove insulating part (21) of tip insulation (4) correspond the matching installation down.
5. A stator assembly according to claim 1, 2 or 3, characterized in that: the upper end portion insulator (3) is provided with a plurality of first groove insulators (21), the lower end portion insulator (4) is provided with a plurality of second groove insulators (22), and the first groove insulators (21) of the upper end portion insulator (3) and the second groove insulators (22) of the lower end portion insulator (4) are correspondingly matched and installed.
6. A stator assembly according to claim 4, wherein: the top of the tooth head of the first insulating tooth part (34) of the upper end part insulator (3) axially extends out of a first boss (341), the edges of two sides of the first boss (341) are inclined, the top of the tooth head of the second insulating tooth part (44) of the lower end part insulator (4) axially extends out of a second boss (441), and the edges of two sides of the second boss (441) are inclined.
7. A stator assembly according to claim 5, wherein: a plurality of first convex columns (331) and a plurality of second convex columns (431) axially protrude from the bottoms of the first insulating yoke portion (33) and the second insulating yoke portion (43) respectively, positioning holes (10) corresponding to the first convex columns (331) and the second convex columns (431) are formed in two end faces of the stator core (1), and the first convex columns (331) and the second convex columns (431) are nested in the positioning holes (10).
8. The utility model provides an external rotor electric machine, includes stator module, external rotor subassembly, pivot, bearing frame and bearing, and the external rotor subassembly gets up with the pivot installation, and the external rotor subassembly cover is in the stator module outside, and the pivot supports to be installed on the bearing, its characterized in that: the stator assembly is as claimed in any one of the preceding claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920832659.1U CN209896797U (en) | 2019-06-04 | 2019-06-04 | Stator module and outer rotor motor using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920832659.1U CN209896797U (en) | 2019-06-04 | 2019-06-04 | Stator module and outer rotor motor using same |
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| Publication Number | Publication Date |
|---|---|
| CN209896797U true CN209896797U (en) | 2020-01-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920832659.1U Active CN209896797U (en) | 2019-06-04 | 2019-06-04 | Stator module and outer rotor motor using same |
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| CN (1) | CN209896797U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114977554A (en) * | 2022-06-09 | 2022-08-30 | 湖州太平微特电机有限公司 | External rotor motor and manufacturing method |
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2019
- 2019-06-04 CN CN201920832659.1U patent/CN209896797U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114977554A (en) * | 2022-06-09 | 2022-08-30 | 湖州太平微特电机有限公司 | External rotor motor and manufacturing method |
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