CN210041460U - Stator structure for outer rotor flat motor - Google Patents
Stator structure for outer rotor flat motor Download PDFInfo
- Publication number
- CN210041460U CN210041460U CN201921334038.7U CN201921334038U CN210041460U CN 210041460 U CN210041460 U CN 210041460U CN 201921334038 U CN201921334038 U CN 201921334038U CN 210041460 U CN210041460 U CN 210041460U
- Authority
- CN
- China
- Prior art keywords
- stator core
- grooves
- stator
- semicircular notch
- flat motor
- 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.)
- Active
Links
Images
Landscapes
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The utility model provides a stator structure for flat motor of external rotor, include: the stator core is in an annular sheet shape, a plurality of tooth parts are arranged on the outer side of the stator core, and a first semicircular notch and a plurality of bulges are arranged on the inner diameter of the stator core; the back iron support comprises a base and a support arranged above the base; the supporting column is provided with a clamping groove which surrounds the supporting column for one circle, and the top of the supporting column is provided with a second semicircular notch and a plurality of grooves; the stator core is sleeved on the support column, the bulges and the grooves are arranged in a staggered manner in the circumferential direction of the support column, and the bulges are arranged in the clamping grooves; the cylindrical pin is in interference connection with the first semicircular notch and the second semicircular notch; the utility model discloses an axial positioning is carried out to stator core to recess on inboard arch of stator core and the pillar, utilizes the cylindric lock to carry out the circumference location to stator core simultaneously, and easy operation has saved the cost, ensures the installation firm simultaneously, avoids appearing the pressure equipment after the piece wave, the marginal perk scheduling problem of iron core appear towards the piece, ensures that the bullet opening degree of iron core tooth portion is less than the admissible value.
Description
Technical Field
The utility model relates to a stator module's technical field especially relates to a technical field that is used for flat motor's of external rotor stator structure.
Background
The stator core installation of external rotor electric machine generally adopts the mode of hot jacket, is about to the stator core who installs in advance and penetrates firing equipment, through the heating for stator core's interior circle radius expands, penetrates stator back iron support, then natural cooling, circle shrink in the iron core, and it is firm with stator back iron support cooperation, and the circumferencial direction adopts the keyway mode to fix. However, the stamped steel after press mounting is easy to present a wave shape, and the edge of the iron core, particularly the tooth part, is easy to tilt. Core stops are then required for axial fixation. The stator core of the inner rotor motor is directly cold-pressed into the shell, the axial direction is positioned by means of a boss or a punching sunken hole on the shell and other similar structures, and the circumferential direction is fixed by means of a positioning pin and the like. During the press-fitting process, the situation that the wire outlet lamination is loose after press-fitting can be caused by the fact that part of the lamination is not firmly welded. Of course, some stators and mandrels are fixed by cold-pressing back iron and mandrel through knurling, and then stator cores and back iron are fixed in an adhesive manner, so that the amount of glue and failure modes are not easy to measure. The existing stator core has complex installation procedures, and the close lamination of the core and the in-place installation of the core are difficult to ensure.
SUMMERY OF THE UTILITY MODEL
The defect to the prior art, the utility model provides a stator structure for flat motor of external rotor, insert the recess on the pillar through the arch of stator core internal diameter, rotatory stator core certain angle, carry out axial positioning to stator core with the help of the shoulder gear of pillar, utilize the cylindric lock to insert first semicircle breach and second semicircle breach simultaneously, carry out the circumference location to stator core, and easy operation, the cost is saved, ensure the installation firmly simultaneously, avoid the pressure equipment after the piece appears the wave towards the piece, iron core edge perk scheduling problem, ensure that the bullet opening degree of iron core tooth portion is less than the admissible value.
The utility model discloses a solve above-mentioned technical problem and adopt following technical scheme:
a stator structure for an outer rotor flat motor, comprising:
the stator core is in an annular sheet shape, a plurality of tooth parts are arranged on the outer side of the stator core, and a first semicircular notch and a plurality of bulges are arranged on the inner diameter of the stator core;
the back iron support comprises a base and a support arranged above the base; the supporting column is provided with a clamping groove which surrounds the supporting column for one circle, the side wall of the supporting column is provided with a second semicircular notch and a plurality of grooves, and the second semicircular notch and the grooves are communicated with the top end of the supporting column and the clamping groove; the bottoms of the grooves all protrude out of the bottoms of the clamping grooves;
the stator core is sleeved on the support, and the bulge is arranged in the clamping groove; the bulges and the grooves are in one-to-one correspondence and are matched with each other, and the bulges and the grooves are arranged in a staggered manner in the circumferential direction of the support.
The cylindrical pin is inserted between the stator core and the support column and is in interference connection with the first semicircular notch and the second semicircular notch.
The above stator structure for an outer rotor flat motor further comprises;
the upper wire frame is tightly attached to the upper side of the stator core and covers the upper side of the tooth part and the inner side of the groove;
the lower wire frame is tightly attached to the lower side of the stator core and covers the lower side of the tooth part and the inner side of the groove;
and the coil is wound on the tooth part and is wound on the upper wire frame and the lower wire frame together.
In the above stator structure for the outer rotor flat motor, the lower bobbin is provided with a plurality of pins, and the end of the coil is arranged on the pins.
The stator structure for the outer rotor flat motor is characterized in that the width of the protrusion on the stator core is 0.2-1 mm narrower than the width of the groove on the pillar.
The utility model adopts the above technical scheme, compare with prior art, have following technological effect:
the utility model discloses a stator structure for flat motor of external rotor inserts the recess on the pillar through the inboard arch of stator core, rotatory stator core certain angle, carry out axial positioning to stator core with the help of the shoulder gear of pillar, utilize the cylindric lock to insert first semicircle breach and second semicircle breach simultaneously, carry out the circumference location to stator core, and easy operation has saved the cost, ensure the firm in installation simultaneously, avoid appearing the pressure equipment after the punching the piece wave appear, the iron core edge perk scheduling problem, ensure that the bullet opening degree of iron core tooth portion is less than the allowable value.
Drawings
Fig. 1 is a sectional view of a stator structure for an outer rotor flat motor according to the present invention;
fig. 2 is a schematic structural diagram of a stator core of the stator structure for the outer rotor flat motor according to the present invention;
fig. 3 is a schematic structural diagram of a back iron support of the stator structure of the outer rotor flat motor of the present invention.
In the drawings:
1. a stator core; 11. a tooth portion; 12. a protrusion; 13. a first semicircular notch; 2. a back iron support; 21. a base; 22. a pillar; 23. a clamping groove; 24. a groove; 25. a second semicircular notch; 3. a cylindrical pin; 4. a wire feeding frame; 5. a lower wire frame.
Detailed Description
The technical solution of the present invention will be described in further detail with reference to the accompanying drawings, which are not intended to limit the present invention.
Fig. 1 is a sectional view of a stator structure for an outer rotor flat motor according to the present invention;
fig. 2 is a schematic structural diagram of a stator core of the stator structure for the outer rotor flat motor according to the present invention;
fig. 3 is a schematic structural diagram of a back iron support of the stator structure of the outer rotor flat motor of the present invention.
As can be seen with reference to fig. 1 to 3, the stator structure for the outer rotor flat motor of the present embodiment includes:
the stator core 1 is in an annular sheet shape, a plurality of tooth parts 11 are arranged on the outer side of the stator core, and a first semicircular notch 13 and a plurality of protrusions 12 are arranged on the inner side of the stator core.
The back iron support 2 comprises a base 21 and a support 22 arranged above the base 21. The pillar 22 is provided with a clamping groove 23 surrounding the pillar 22, the sidewall of the pillar 22 is provided with a second semicircular notch 25 and a plurality of grooves 24, and the semicircular notch 25 and the grooves 24 are communicated with the top end of the pillar 22 and the clamping groove 23. The bottom of the groove 22 protrudes from the bottom of the catching groove 23.
The stator core 1 is sleeved on the support column 22, and the protrusions 12 are in one-to-one correspondence with the grooves 24 and are matched with each other. The projections 12 can pass through the recesses 24 into the snap-in grooves 23 during the nesting of the stator core 1 to the legs 22. After the stator core 1 is sleeved on the support column 22, the stator core is rotated by a certain angle around the axis of the support column 22, so that the protrusions 12 and the grooves 24 are staggered in the circumferential direction of the support column 22, and when the stator core 1 is pulled upwards, the protrusions 12 and the grooves 24 are not aligned, the stator core 1 cannot move upwards, and the axial positioning of the stator core 1 and the support column 22 is realized.
Cylindric lock 3 inserts between stator core 1 and the pillar 22 to cylindric lock 3 and first semicircle breach 13 and the equal interference fit of second semicircle breach 25 are connected, make stator core 1 unable around pillar 22 rotate, have realized stator core 1 and pillar 22's circumference location. Through the interference connection of cylindric lock 3 and first semicircle breach 13 and second semicircle breach 25, make stator core 1 and pillar 22's connection more firm, reduce rocking of stator core 1.
The above is merely an example of the preferred embodiments of the present invention, and the embodiments and the protection scope of the present invention are not limited thereby.
Further, in the preferred embodiment of the stator structure for the outer rotor flat motor of the present invention, the stator structure further includes;
an upper bobbin 4 closely attached to the upper side of the stator core 1 and covering the upper side of the tooth portion 11 and the inside of the slot;
a lower bobbin 5 closely attached to the lower side of the stator core 1 and covering the lower side of the tooth portion 11 and the inside of the slot;
a coil (not shown) wound around the teeth 11 and wound around the upper bobbin 4 and the lower bobbin 5.
The upper bobbin 4 and the lower bobbin 5 are made of an insulating material, such as PA66+ GF30 (nylon 66 containing 30% glass fiber), to insulate the coil from the stator core 1.
Further, the utility model discloses a be used for the stator structure's of outer rotor flat motor preferred embodiment, be provided with a plurality of contact pins 51 on the lower bobbin 5, the tip setting of coil is on contact pin 51. The utility model discloses a stator structure for flat motor of external rotor can realize the external circuit of coil and other circuits through contact pin 51 and be connected.
Further, the utility model discloses in the preferred embodiment of a stator structure for outer rotor flat motor, the width of arch 12 on stator core 1, than the narrow 0.2 ~ 1mm of width of recess 24 on the pillar 22, when making installation stator core 1, recess 24 is passed more easily to arch 12, and stator core 1's installation is more convenient.
The utility model discloses an installation process for flat motor's of external rotor stator structure as follows:
the contact pin 51 is inserted into the lower wire frame 5, the upper wire frame 4 is tightly attached to the upper side of the stator core 1, the lower wire frame 5 is tightly attached to the lower side of the stator core 1, and the upper wire frame 4 and the lower wire frame 5 cover the upper side and the lower side of the tooth part 11 of the stator core 1 respectively. Then, winding is performed on the winding machine so that the coil is wound on the tooth portion 11 and is simultaneously wound on the upper bobbin 4 and the lower bobbin 5. And then the stator core 1 is arranged on the back iron support 2 from the upper part, so that the bulge 12 on the stator core 1 passes through the groove 24 on the support 22, and the bulge 12 enters the clamping groove 23. And finally, rotating the stator core 1 by a certain angle around the support column 22, so that the protrusions 12 and the grooves 24 are staggered in the circumferential direction of the support column 22, aligning the first semicircular notch 13 with the second semicircular notch 25, and inserting the cylindrical pin 3 into the first semicircular notch 13 and the second semicircular notch 25 to complete axial positioning and circumferential positioning of the stator core 1 and the support column 22.
The utility model discloses a stator structure for flat motor of external rotor inserts recess 24 on the pillar 22 through the arch 11 of 1 internal diameter of stator core, carry out axial positioning to stator core 1, utilize cylindric lock 3 to insert first semicircle breach 13 and second semicircle breach 25 simultaneously, carry out the circumference location to stator core 1, and easy operation has saved the cost, it is firm to ensure the installation simultaneously, avoid appearing the pressure equipment after wave to the piece, 1 marginal perk scheduling problem of stator core, ensure that the bullet opening degree of stator core 1's tooth portion 11 is less than the allowable value.
The present invention has been described in detail with reference to the specific embodiments, but the present invention is only by way of example and is not limited to the specific embodiments described above. Any equivalent modifications and substitutions to those skilled in the art are intended to be within the scope of the present invention. Accordingly, variations and modifications in equivalents may be made without departing from the spirit and scope of the invention, which is intended to be covered by the following claims.
Claims (4)
1. A stator structure for an outer rotor flat motor, comprising:
the stator core is in an annular sheet shape, a plurality of tooth parts are arranged on the outer side of the stator core, and a first semicircular notch and a plurality of bulges are arranged on the inner diameter of the stator core;
the back iron support comprises a base and a support arranged above the base; the supporting column is provided with a clamping groove which surrounds the supporting column for one circle, the side wall of the supporting column is provided with a second semicircular notch and a plurality of grooves, and the second semicircular notch and the grooves are communicated with the top end of the supporting column and the clamping groove; the bottoms of the grooves all protrude out of the bottoms of the clamping grooves;
the stator core is sleeved on the support, and the bulge is arranged in the clamping groove; the bulges and the grooves are in one-to-one correspondence and are mutually matched, and the bulges and the grooves are staggered in the circumferential direction of the strut,
the cylindrical pin is inserted between the stator core and the support column and is in interference connection with the first semicircular notch and the second semicircular notch.
2. The stator structure for an external rotor flat motor according to claim 1, further comprising;
the upper wire frame is tightly attached to the upper side of the stator core and covers the upper side of the tooth part and the inner side of the groove;
the lower wire frame is tightly attached to the lower side of the stator core and covers the lower side of the tooth part and the inner side of the groove;
and the coil is wound on the tooth part and is wound on the upper wire frame and the lower wire frame together.
3. The stator structure of an external rotor flat motor as claimed in claim 2, wherein a plurality of pins are provided on the lower bobbin, and ends of the coils are provided on the pins.
4. The stator structure for the external rotor flat motor as claimed in claim 1, wherein the width of the projection on the stator core is narrower than the width of the groove on the strut by 0.2-1 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921334038.7U CN210041460U (en) | 2019-08-16 | 2019-08-16 | Stator structure for outer rotor flat motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921334038.7U CN210041460U (en) | 2019-08-16 | 2019-08-16 | Stator structure for outer rotor flat motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210041460U true CN210041460U (en) | 2020-02-07 |
Family
ID=69351063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921334038.7U Active CN210041460U (en) | 2019-08-16 | 2019-08-16 | Stator structure for outer rotor flat motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210041460U (en) |
-
2019
- 2019-08-16 CN CN201921334038.7U patent/CN210041460U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103107625B (en) | Rotary electric machine and method for manufacturing a stator coil connecting unit | |
| CN102224658B (en) | Rotating electrical machine | |
| US20120319512A1 (en) | Busbar unit and motor | |
| JP5489698B2 (en) | Insulator, rotating electric machine, and method of manufacturing rotating electric machine | |
| JP5132632B2 (en) | Motor stator, motor, air conditioner, and motor manufacturing method | |
| US9871421B2 (en) | Split-core type motor and method of manufacturing armature of split-core type motor | |
| EP3087661B1 (en) | Stator and stator manufacturing method | |
| JP5629860B2 (en) | Rotor, rotor manufacturing method and motor | |
| US8541924B2 (en) | Stator assembly having a phase-to-phase insulator, and a method of assembling a stator assembly | |
| EP2551998A1 (en) | Instrument for adjoining temperature detecting element | |
| JP2009106113A (en) | Rotary electric machine, insulation member and manufacturing method of rotary electric machine | |
| CN104904104B (en) | For the bobbin of magnet exciting coil, excitation coil structure, isolation cover, stator apparatus and the stator for homopolar machine | |
| EP3145058B1 (en) | Stator assembling method and stator | |
| CN110050402B (en) | Stator core of rotating electric machine and method for manufacturing same | |
| CN113452179B (en) | Stator and motor | |
| US6141865A (en) | Winding method and winding apparatus for producing stators for electric motors | |
| CN209692461U (en) | Stator structure and rotary transformer | |
| CN207947656U (en) | Stator punching, stator core and jig | |
| CN210041460U (en) | Stator structure for outer rotor flat motor | |
| US20040155552A1 (en) | Electric machine and method of making an electric machine | |
| CN204012966U (en) | For motor stator and the compressor of compressor | |
| EP2940836B1 (en) | Rotating machine | |
| JP5800075B2 (en) | Rotor, rotor manufacturing method and motor | |
| CN108347116B (en) | Insulating frame, stator assembly and motor | |
| CN218771494U (en) | Motor assembly |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |