CN218301191U - Fixing structure of single-stator double-rotor axial flux motor stator - Google Patents
Fixing structure of single-stator double-rotor axial flux motor stator Download PDFInfo
- Publication number
- CN218301191U CN218301191U CN202222443042.5U CN202222443042U CN218301191U CN 218301191 U CN218301191 U CN 218301191U CN 202222443042 U CN202222443042 U CN 202222443042U CN 218301191 U CN218301191 U CN 218301191U
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- Prior art keywords
- stator
- motor
- ring
- stator winding
- axial flux
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- Expired - Fee Related
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- 230000004907 flux Effects 0.000 title claims abstract description 18
- 238000004804 winding Methods 0.000 claims abstract description 43
- 239000000178 monomer Substances 0.000 claims abstract description 26
- 239000011347 resin Substances 0.000 claims abstract description 15
- 229920005989 resin Polymers 0.000 claims abstract description 15
- 238000004382 potting Methods 0.000 claims description 20
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 239000003292 glue Substances 0.000 claims description 4
- 238000010292 electrical insulation Methods 0.000 abstract description 3
- 238000007596 consolidation process Methods 0.000 abstract description 2
- 238000007789 sealing Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- -1 and finally Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Insulation, Fastening Of Motor, Generator Windings (AREA)
Abstract
The utility model provides a fixed knot of single stator birotor axial flux motor stator constructs belongs to axial flux motor technical field, including stator winding monomer, motor casing and inner ring, the inner ring sets up motor casing is inboard, the fixed rib that is provided with a plurality of interval distribution of motor casing medial surface, adjacent two sets of form the embedment ring between the rib, be used for the embedment in the embedment ring the resin layer, in order to realize the stator winding monomer with motor casing's fixed connection. The utility model discloses have simple structure, easily processing, the good characteristic of electrical insulation performance simultaneously, the motor structure of accomplishing is makeed simultaneously, owing to carry out effectual connection through the mode of inside consolidation, consequently level and smooth does not have the hole, has kept the aesthetic property and the security of motor outward appearance.
Description
Technical Field
The utility model belongs to the technical field of axial flux motor, specifically a fixed knot of single stator birotor axial flux motor stator constructs.
Background
Along with the development of axial flux motor, more and more manufacturers begin to use the axial flux motor, especially single stator birotor axial flux motor, however, the original stator mechanical fixing mode of single stator birotor axial flux motor is to utilize screw locking preforming to compress tightly the stator winding monomer, the structure is loaded down with trivial details, in addition when the size of motor diminishes, the locking screw that adopts also diminishes, can't guarantee can compress tightly the stator winding monomer, when the motor operation, the stator winding monomer receives the magnetic tension effect easily and is sucked out. And then the stator core rubs with the rotor disc, causes the damage of whole motor at last.
Disclosure of Invention
The utility model provides a be not enough to above-mentioned prior art, the to-be-solved technical problem of the utility model is to provide a single stator birotor axial flux motor stator's fixed knot constructs for single stator birotor axial flux motor structure after the fixing vibration resistance is good, and electrical insulation is good, and the air gap is even, improves the stability of motor.
In order to solve the technical problem, the utility model provides a following technical scheme:
a fixing structure of a stator of a single-stator double-rotor axial flux motor comprises a stator winding single body, a motor shell and an inner ring,
the inner ring is arranged on the inner side of the motor shell,
a plurality of ribs distributed at intervals are fixedly arranged on the inner side surface of the motor shell, a potting ring is formed between two adjacent groups of ribs,
and the potting ring is internally provided with a potting resin layer to realize the fixed connection of the stator winding monomer and the motor shell.
As a further improvement of the utility model: the potting ring is a circular groove recessed into the motor shell,
the potting ring is arranged in the middle of the axis direction of the motor shell, and the width of the potting ring is 1/4 of the height of the motor shell.
As a further improvement scheme of the utility model: the number of the ribs is the same as that of the stator winding monomers, one stator winding monomer is arranged between every two raised ribs, and a gluing gap is arranged between each raised rib and each stator winding monomer.
As a further improvement of the utility model: the inner ring is provided with a plurality of filling and sealing holes, and the filling and sealing holes are uniformly distributed on the inner ring by taking four holes in the axial direction as a group.
As a further improvement of the present invention: the stator winding monomer comprises a winding and a stator iron core arranged on one side of the winding.
Compared with the prior art, the beneficial effects of the utility model are that:
because the inner side surface of the motor shell is provided with the inward sunken encapsulating ring and the raised ribs, the inner side surface is a mounting and fixing surface, the motor shell and the inner ring surround all the stator winding monomers, the stator winding monomers are firstly adhered to the raised ribs through glue, and finally resin is encapsulated; because the existence of potting ring and rib has increased motor casing medial surface area for whole motor casing, stator winding monomer, inner ring and resin are as an organic whole, and intensity strengthens greatly.
Simultaneously, the roughness on top layer has been increased for the processing top layer through polishing to the internal surface of motor casing and the surface of inner ring for the adhesion degree reinforcing between motor casing, inner ring and the stator winding monomer has further guaranteed motor structure's stability and integration.
The utility model discloses still have simple structure, easily processing, the good characteristic of electrical insulation performance simultaneously, the motor structure of accomplishing is makeed simultaneously, owing to carry out effectual connection through the mode of inside consolidation, consequently level and smooth does not have the hole, has kept the aesthetic property and the security of motor outward appearance.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of a motor housing according to the present invention;
fig. 3 is a schematic structural diagram of a stator winding unit in the present invention;
fig. 4 is a schematic structural diagram of the middle inner ring of the present invention.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
Referring to fig. 1 and fig. 2, the present embodiment provides a fixing structure for a stator of a single-stator dual-rotor axial flux motor, including a stator winding single body 3, a motor housing 1 and an inner ring 4, where the inner ring 4 is disposed inside the motor housing 1, a plurality of ribs 5 are fixedly disposed on an inner side of the motor housing 1, a potting ring 6 is formed between two adjacent groups of the ribs 5, and the potting ring 6 is used for potting the resin layer 2, so as to fixedly connect the stator winding single body 3 and the motor housing 1.
The resin layer 2 is filled into the filling ring 6 to fixedly connect the stator winding unit 3 and the motor housing 1.
Referring to fig. 2, in one embodiment, the potting ring 6 is a circular groove recessed into the motor housing 1, and the potting ring 6 is disposed at a middle position in the axial direction of the motor housing 1 and has a width of about 1/4 of the height of the motor housing; the potting ring 6 is recessed into the motor shell 1, and resin is embedded into the circular groove during potting, so that all the stator winding monomers 3 and the resin coating the stator winding monomers 3 form a whole, the motor stator is effectively prevented from axially moving in the motor shell 1, and the structural strength of the motor is improved.
Referring to fig. 2, in an embodiment, the number of the ribs 5 is the same as the number of the stator winding monomers 3, one stator winding monomer 3 is disposed between every two protruding ribs 5, a certain glue coating gap is provided between the protruding ribs 5 and the stator winding monomer 3, before resin is filled, all the stator winding monomers 3 are sequentially adhered to the protruding ribs 5 by glue, and finally, resin is filled, so that all the stator winding monomers 3 and the resin coating the stator winding monomers form a gear-shaped whole, and the whole is tightly adhered to a motor housing, thereby effectively preventing the motor stator from rotating around a shaft in the motor housing 1.
Referring to fig. 4, in an embodiment, a plurality of hole filling and sealing holes 9 are formed in the inner ring 4, the hole filling and sealing holes 9 are uniformly distributed on the inner ring 4 in a group of four holes in the axial direction, and resin fills all the hole filling and sealing holes 9 during filling and sealing, so that the bonding firmness is improved.
The internal surface of motor casing 1 and the surface of inner ring 4 have increased the roughness on top layer for the processing top layer of polishing for the adhesion degree reinforcing between motor casing 1, inner ring 4 and the stator winding monomer 3 has further guaranteed motor structure's stability and integration.
Before the encapsulating, link together through wire welded mode according to the design requirement between each stator winding monomer 3, rethread frock is with the even distribution of each stator winding monomer 3 in motor casing 1, between detection wire and the stator core, whether insulating between wire and the motor casing 1, at last pour into inner ring 4 with the resin, in the cavity that motor casing 1 and frock are constituteed, the encapsulating liquid level should be less than stator face 1 to 2 millimeters, because the whole submergions of wire welding point are in the resin, the electric insulation performance of motor has been guaranteed.
Referring to fig. 3, in one embodiment, the stator winding unit 3 includes a winding 8 and a stator core 7 disposed on one side of the winding 8.
Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.
Claims (5)
1. A fixing structure of a stator of a single-stator double-rotor axial flux motor is characterized by comprising a stator winding single body, a motor shell and an inner ring,
the inner ring is arranged on the inner side of the motor shell,
a plurality of ribs distributed at intervals are fixedly arranged on the inner side surface of the motor shell, a potting ring is formed between two adjacent groups of ribs,
and the potting ring is used for potting a resin layer so as to realize the fixed connection of the stator winding monomer and the motor shell.
2. The stator fixing structure of a single-stator double-rotor axial flux motor as claimed in claim 1, wherein the potting ring is a circular groove recessed into the motor housing,
the potting ring is arranged in the middle of the motor shell in the axial direction, and the width of the potting ring is 1/4 of the height of the motor shell.
3. The structure of claim 1, wherein the number of the ribs is the same as that of the stator winding units, one stator winding unit is arranged between every two protruding ribs, and a glue coating gap is formed between each protruding rib and each stator winding unit.
4. The stator fixing structure of a single-stator double-rotor axial flux motor as claimed in claim 1, wherein the inner ring is provided with a plurality of hole filling holes, and the hole filling holes are uniformly distributed on the inner ring in groups of four holes in the axial direction.
5. The stator fixing structure of a single-stator double-rotor axial flux motor according to claim 1, wherein the stator winding unit includes a winding and a stator core disposed on one side of the winding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222443042.5U CN218301191U (en) | 2022-09-15 | 2022-09-15 | Fixing structure of single-stator double-rotor axial flux motor stator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222443042.5U CN218301191U (en) | 2022-09-15 | 2022-09-15 | Fixing structure of single-stator double-rotor axial flux motor stator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218301191U true CN218301191U (en) | 2023-01-13 |
Family
ID=84816741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222443042.5U Expired - Fee Related CN218301191U (en) | 2022-09-15 | 2022-09-15 | Fixing structure of single-stator double-rotor axial flux motor stator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218301191U (en) |
-
2022
- 2022-09-15 CN CN202222443042.5U patent/CN218301191U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20230113 |