CN220081756U - Integrated end cover structure of outer rotor fan - Google Patents
Integrated end cover structure of outer rotor fan Download PDFInfo
- Publication number
- CN220081756U CN220081756U CN202123139925.9U CN202123139925U CN220081756U CN 220081756 U CN220081756 U CN 220081756U CN 202123139925 U CN202123139925 U CN 202123139925U CN 220081756 U CN220081756 U CN 220081756U
- Authority
- CN
- China
- Prior art keywords
- end cover
- bearing
- insulating
- rotor fan
- bearing sleeve
- 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
- 230000003014 reinforcing effect Effects 0.000 claims description 12
- 238000009413 insulation Methods 0.000 claims description 6
- 125000006850 spacer group Chemical group 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses an integrated end cover structure of an outer rotor fan, which comprises an end cover, a first bearing, a second bearing, a stator assembly, an insulating gasket and an insulating auxiliary sheet, wherein a bearing sleeve integrated with the end cover is arranged in the middle of the end cover, the insulating gasket and the stator assembly are sequentially sleeved outside the bearing sleeve from bottom to top, the first bearing and the second bearing are sequentially arranged in the bearing sleeve from top to bottom, and the insulating auxiliary sheet is sleeved on the insulating gasket. The utility model reduces the processing difficulty of concentricity of the two bearings, can improve the fixing effect on the rotating shaft, and has simple structure and less manufacturing procedures.
Description
Technical Field
The utility model relates to an outer rotor fan, in particular to an integrated end cover structure of the outer rotor fan.
Background
The outer rotor fan is a fan which uses a motor with a stator and a rotor outside as a power source. The inner stator is arranged outside the bearing seat on the end cover, and two bearings are arranged in the bearing seat and can fix the rotating shaft of the outer rotor. When the motor is started, the inner stator is fixed, and under the action of the rotating magnetic field, the outer rotor starts to rotate and drives the fan to move. In order to reduce noise and improve the safety of the motor, the two bearings and the sleeve need to be located on the same central line.
For example, an "outer rotor motor" disclosed in chinese patent literature, its bulletin number CN206759213U, includes inner stator assembly and outer rotor assembly, and inner stator assembly includes stator coil and inner stator, and stator coil installs on the inner stator, and outer rotor assembly includes the outer rotor and installs the pivot in the outer rotor, and the pivot wears to establish in stator coil, and adopts the bearing to connect between pivot and the stator coil, outer rotor inner wall and stator coil clearance fit, is provided with the space between inner stator and the outer rotor, overlaps in the pivot and is equipped with the sealing washer, and the sealing washer is as for between outer rotor and the bearing. The shaft sleeve and the mounting disc in the outer rotor motor are two parts, and the shaft sleeve and the two bearings can be concentric only by adjusting the shaft sleeve and the two bearings respectively during mounting.
Disclosure of Invention
The utility model aims to solve the problem that the lower end cover and the bearing seat are arranged in a split way in the prior art, and the concentricity of the bearing can be ensured only by adjusting three parts, and provides an integrated end cover structure of an outer rotor fan.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides an integral type end cover structure of external rotor fan, includes end cover, first bearing and second bearing, integral type end cover structure still includes stator module, insulating gasket and insulating auxiliary piece, is equipped with the bearing sleeve integrative with the end cover in the middle of the end cover, and insulating gasket and stator module from supreme cover in proper order down locates outside the bearing sleeve, and first bearing and second bearing set gradually from last to setting up in the bearing sleeve down, and insulating auxiliary piece cover is established on insulating gasket. The bearing sleeve and the end cover are forged as a whole, so that the firmness of connection between the bearing sleeve and the end cover can be ensured, meanwhile, as the bearing sleeve and the end cover are forged as a whole, in the subsequent assembly process, the positions of the bearing sleeve and the end cover are not required to be adjusted, and the circle centers of the three can be ensured to be positioned on the same straight line only by adjusting the positions of the first bearing and the second bearing.
Preferably, the middle part inside the bearing sleeve protrudes inwards, and a platform capable of being clamped with the first bearing and a platform capable of being clamped with the second bearing are respectively formed at the top and the position close to the bottom of the bearing sleeve. The protruding platform inside the bearing sleeve facilitates the mounting of the bearing in place and fixes the relative position of the first and second bearings and the bearing sleeve in the vertical direction.
Preferably, the bottom of the end cover is provided with a plurality of through holes. The through holes are symmetrically arranged to play a role in balancing after the fan is started.
Preferably, the lower surface of the end cover is provided with a circle of protruding parts in a ring manner at the through hole. The provision of the projection reduces the ingress of dust or water into the end cap.
Preferably, the insulating gasket is a hollow cylinder protruding downwards and wrapping the bearing sleeve, and the circular ring patch is attached to the lower surface of the stator assembly. The insulating gasket is used for avoiding direct contact between the stator coil and the stator assembly or the bearing sleeve, and improving the insulativity between the stator coil and the stator assembly and the bearing sleeve.
Preferably, the edge of the circular ring patch of the insulating gasket is provided with a groove corresponding to the stator assembly. The groove is used for accommodating the stator coil to penetrate through, so that the stator coil is prevented from sliding at the edge of the circular ring patch, and winding is facilitated.
Preferably, the insulation auxiliary sheet is of a bowl-shaped structure with an upward edge, and a cavity is formed between the insulation auxiliary sheet and the cylindrical part of the insulation gasket. The insulating auxiliary sheet can prevent the stator coil from contacting the bottom of the end cover, further avoiding a fan short circuit, and the portion of the stator coil located at the lower end of the stator assembly can be placed in a cavity formed between the insulating auxiliary sheet and the cylindrical portion of the insulating spacer.
Preferably, a circle of reinforcing auxiliary sheets are further arranged on the outer side of the insulating auxiliary sheet, and the reinforcing auxiliary sheets are bent upwards. Reinforcing the auxiliary sheet may further reduce the likelihood of the stator coil coming into contact with the end cap.
Preferably, the reinforcing auxiliary sheet end is higher than the end of the end cover. The end of the reinforcing auxiliary sheet is higher than the end of the end cover, so that dust or water can be prevented from entering the insulating auxiliary sheet to be contacted with the stator coil, and a groove for accommodating the end of the outer rotor can be formed between the reinforcing auxiliary sheet and the end cover.
Therefore, the utility model has the following beneficial effects: the processing difficulty of concentricity of two bearings is reduced; (2) the fixing effect on the rotating shaft can be improved; (3) simple structure, few manufacturing procedures.
Drawings
Fig. 1 is a schematic elevational view of the present utility model.
Fig. 2 is a front cross-sectional view of the present utility model.
In the figure: 1-end cover, 11-bearing sleeve, 12-through hole, 2-first bearing, 3-second bearing, 4-stator assembly, 5-insulating gasket, 6-insulating auxiliary sheet, 61-reinforcing auxiliary sheet.
Detailed Description
The utility model is further described below with reference to the drawings and detailed description.
In the embodiment shown in fig. 1, an integrated end cover structure of an external rotor fan comprises an end cover 1, a first bearing 2 and a second bearing 3, and further comprises a stator assembly 4, an insulating spacer 5 and an insulating auxiliary sheet 6. The end cover 1 is an aluminum end cover, the stator assembly 4 is a sixteen-groove annular iron block, the insulating gasket 5 and the insulating auxiliary sheet 6 are non-conductive plastic sheets, and the stator coil is a copper enameled wire.
As shown in fig. 2, the bottom of the end cover 1 is provided with two through holes 12, and the lower surface of the end cover 1 is provided with a circle of protruding parts at the positions of the through holes 12. The middle of the end cover 1 is provided with an aluminum bearing sleeve 11 integrated with the end cover 1, the middle part of the inside of the bearing sleeve 11 protrudes inwards, platforms are respectively formed at the top and the position close to the bottom of the bearing sleeve 11, the bottom of the first bearing 2 is clamped at the top of the bearing sleeve 11, the top of the second bearing 3 is clamped at the middle of the bearing sleeve 22 in a downward position, and the bearing sleeve 11 can be concentric by only adjusting the horizontal positions of the first bearing 2 and the second bearing 3 during manufacturing. The insulating gasket 5 is a circular ring patch, a hollow cylinder protruding downwards is arranged in the middle of the circular ring patch, the cylinder penetrates through the bearing sleeve 11 to sleeve the insulating gasket 5 outside the bearing sleeve 11, the lower end of the cylinder is in contact with the bottom of the end cover 1, the stator assembly 4 is sleeved outside the bearing sleeve 11, the lower surface of the stator assembly 4 is attached to the circular ring patch part of the insulating gasket 5, a groove corresponding to the stator assembly 4 is formed in the edge of the circular ring patch part of the insulating gasket 5, and the stator coil can be wound through the groove. The insulating auxiliary sheet 6 is sleeved on the insulating gasket 5, the insulating auxiliary sheet 6 is of a bowl-shaped structure with an upward edge, and a cavity is formed between the insulating auxiliary sheet 6 and the cylindrical part of the insulating gasket 5. The outer side of the insulating auxiliary sheet 6 is also provided with a circle of reinforcing auxiliary sheet 61, and the reinforcing auxiliary sheet 61 is bent upwards, and the end part of the reinforcing auxiliary sheet is higher than the end part of the end cover 1.
Claims (9)
1. The utility model provides an integral type end cover structure of external rotor fan, includes end cover (1), first bearing (2) and second bearing (3), characterized by, integral type end cover structure still includes stator module (4), insulating gasket (5) and insulating auxiliary sheet (6), is equipped with in the middle of the end cover with the integrative bearing sleeve (11) of end cover, insulating gasket and stator module from supreme cover in proper order down locate outside the bearing sleeve, first bearing and second bearing set gradually from last to setting up in the bearing sleeve down, insulating auxiliary sheet cover is established on insulating gasket.
2. The integrated end cover structure of an external rotor fan according to claim 1, wherein the middle part of the interior of the bearing sleeve protrudes inwards, and a platform capable of being clamped with the first bearing and a platform capable of being clamped with the second bearing are respectively formed at the top and the position close to the bottom of the bearing sleeve.
3. The integrated end cover structure of an outer rotor fan according to claim 1, wherein a plurality of through holes (12) are formed in the bottom of the end cover.
4. The integrated end cover structure of an outer rotor fan according to claim 3, wherein a circle of protruding parts are arranged on the lower surface of the end cover in a surrounding manner at the through holes.
5. The integrated end cover structure of an external rotor fan according to claim 1, wherein the insulating spacer is a circular ring patch attached to the lower surface of the stator assembly, a hollow cylinder protruding downwards is arranged in the middle of the circular ring patch, and the cylinder wraps the bearing sleeve.
6. The integrated end cover structure of an external rotor fan according to claim 5, wherein the edge of the circular patch of the insulating spacer is provided with a groove corresponding to the stator assembly.
7. The integrated end cap structure of an external rotor fan as claimed in claim 5 or 6, wherein the insulation auxiliary sheet has a bowl-shaped structure with an upward edge, and a cavity is formed between the insulation auxiliary sheet and the cylindrical portion of the insulation spacer.
8. The integrated end cover structure of an external rotor fan according to claim 7, wherein a circle of reinforcing auxiliary sheets (61) is further arranged on the outer side of the insulating auxiliary sheets, and the reinforcing auxiliary sheets are bent upwards.
9. The integrated end cap structure of an external rotor fan as claimed in claim 8, wherein the reinforcing auxiliary sheet ends are higher than the end of the end cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123139925.9U CN220081756U (en) | 2021-12-13 | 2021-12-13 | Integrated end cover structure of outer rotor fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123139925.9U CN220081756U (en) | 2021-12-13 | 2021-12-13 | Integrated end cover structure of outer rotor fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220081756U true CN220081756U (en) | 2023-11-24 |
Family
ID=88832763
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123139925.9U Active CN220081756U (en) | 2021-12-13 | 2021-12-13 | Integrated end cover structure of outer rotor fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220081756U (en) |
-
2021
- 2021-12-13 CN CN202123139925.9U patent/CN220081756U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101588089B (en) | Motor | |
| CN107040069B (en) | Motor and stator thereof | |
| CN220081756U (en) | Integrated end cover structure of outer rotor fan | |
| KR100999791B1 (en) | Spindle motor | |
| CN208835946U (en) | A kind of permanent magnet coupling motor vertical assembling fixture | |
| CN218733580U (en) | External rotor motor structure | |
| CN115459509A (en) | External rotor motor structure | |
| CN214092345U (en) | Miniature water pump | |
| CN113098178B (en) | Stator structure | |
| CN214604234U (en) | Workbench for assembling small mechanical equipment | |
| CN108667247A (en) | A kind of bi-motor stacking motor and its cooking machine | |
| CN216312884U (en) | Magnetic encoder mounting structure of inner rotor brushless motor | |
| CN208772881U (en) | A kind of horizontal Yu Dao mechanism of novel centrifugal type draught fan impeller press fitting | |
| CN208401711U (en) | A kind of bi-motor stacking motor and its cooking machine | |
| KR101020803B1 (en) | Clamping device of spindle motor | |
| KR20100114696A (en) | Spindle motor | |
| CN217362787U (en) | Vehicle-mounted direct current motor | |
| CN220964428U (en) | Cast aluminum rotor structure and outer rotor alternating current motor | |
| CN217741534U (en) | External rotor motor | |
| CN202696437U (en) | External rotor type brushless direct current motor | |
| CN106787386B (en) | DC motor | |
| CN220798014U (en) | Stator tool assembly for motor | |
| CN218526168U (en) | Motor for hair drier | |
| CN216699654U (en) | Three-phase brushless motor | |
| CN209375260U (en) | Stator core, stator structure, compressor and air conditioner |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |