CN114665649A - Waterproof dustproof external rotor electric machine - Google Patents
Waterproof dustproof external rotor electric machine Download PDFInfo
- Publication number
- CN114665649A CN114665649A CN202210501880.5A CN202210501880A CN114665649A CN 114665649 A CN114665649 A CN 114665649A CN 202210501880 A CN202210501880 A CN 202210501880A CN 114665649 A CN114665649 A CN 114665649A
- Authority
- CN
- China
- Prior art keywords
- end cover
- rotor
- small fan
- waterproof
- sealing ring
- 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.)
- Granted
Links
- 238000007789 sealing Methods 0.000 claims abstract description 37
- 238000009434 installation Methods 0.000 claims description 9
- 239000000779 smoke Substances 0.000 abstract description 12
- 239000000428 dust Substances 0.000 abstract description 5
- 230000003014 reinforcing effect Effects 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 239000000443 aerosol Substances 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/12—Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas
- H02K5/128—Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas using air-gap sleeves or air-gap discs
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
- H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The invention discloses a waterproof and dustproof outer rotor motor which comprises a rotor, wherein an end cover is arranged at the top end of the rotor, a first sealing ring mounting groove is formed in one end, located on the end cover, of the rotor, and a first sealing ring is mounted on the first sealing ring mounting groove; the top end of the end cover is provided with a plane small fan blade and a side small fan blade, and the plane small fan blade is positioned on the inner side of the side small fan blade; the rotor is provided with a shaft, the shaft penetrates through the end cover, and the shaft is connected with a support through threads. According to the invention, the outer rotor and the end cover rotate, at the moment, the plane small fan blades and the side small fan blades on the end cover can generate wind power, so that internal pressure is generated to supply outward pressure to air, and oil smoke and dust are prevented from entering between the bracket and the end cover; be provided with first sealing washer and adopt protruding groove structure cooperation between rotor and the end cover, strengthened the sealing performance of rotor and end cover department, the waterproof dustproof of reinforcing this department prevents the fog and prevents the oil smoke performance.
Description
Technical Field
The invention relates to the technical field of motors, in particular to a waterproof and dustproof outer rotor motor.
Background
The existing fan assembly generally comprises a motor, a motor support and an impeller, wherein the motor is fixedly arranged on a shell through the motor support, the impeller is arranged in the shell and is in transmission connection with the motor, and the motor drives the impeller to rotate.
The existing motor cannot be waterproof and dustproof, so that fine particles such as oil smoke, water, dust, aerosol and the like enter the motor, the motor is easy to damage, and great inconvenience is brought to a user.
Disclosure of Invention
The invention aims to provide a waterproof and dustproof outer rotor motor to solve the problems in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: a waterproof and dustproof outer rotor motor comprises a rotor, wherein an end cover is installed at the top end of the rotor, a first sealing ring installation groove is formed in one end, located at the end cover, of the rotor, and a first sealing ring is installed on the first sealing ring installation groove;
the top end of the end cover is provided with a plane small fan blade and a side small fan blade, and the plane small fan blade is positioned on the inner side of the side small fan blade;
the rotor is provided with a shaft, the shaft penetrates through the end cover, and the shaft is connected with a support through threads.
Preferably, the plane small fan blades and the side small fan blades are of sheet structures and are arranged in a staggered mode.
Preferably, an annular protrusion is arranged at one end, located at the end cover, of the rotor, and an annular groove matched with the annular protrusion is arranged on the terminal.
Preferably, the rotor and the end cover are fixed through screws.
Preferably, a second sealing ring mounting groove is formed in the top end of the support, and a second sealing ring is mounted on the second sealing ring mounting groove.
Preferably, a through hole is formed in the shaft, the shaft is located in the rotor and is provided with a wire inlet hole communicated with the through hole, and a clamp spring groove is formed in the outer side of the shaft.
Preferably, the bracket is provided with a wire mounting groove.
Preferably, the shaft and the end cover are sealed through an oil seal structure.
Compared with the prior art, the invention has the beneficial effects that:
1. when the outer rotor and the end cover rotate during use, at the moment, the plane small fan blades and the side small fan blades on the end cover can generate wind power, so that internal pressure is generated to supply outward pressure to air, and water, air mist, oil smoke and dust are prevented from entering between the bracket and the end cover;
2. a first sealing ring is arranged between the rotor and the end cover and matched with the end cover by adopting a raised groove structure, so that the sealing performance of the rotor and the end cover is enhanced, and the waterproof and dustproof performance of the position is enhanced;
3. the shaft and the end cover are sealed through an oil seal structure, the oil seal structure enhances the sealing performance of the shaft and enhances the waterproof, dustproof, air-fog-proof and oil-smoke-proof performance of the shaft;
4. when the fan is used, the fan blades are arranged on the end cover, and the second sealing ring is arranged on the outer side of the bracket and can play a certain sealing role, so that the waterproof, dustproof, anti-air-fog and anti-oil-smoke performance of the position is enhanced;
5. the shaft is provided with a through hole and is positioned in the rotor and is provided with a wire inlet hole communicated with the through hole; the bracket is provided with a lead installation groove; need not additionally to set up the hole that supplies the wire to run through on the rotor, strengthened the waterproof dustproof prevention of water vapour prevention oil smoke performance of rotor.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of an outer rotor of the present invention;
FIG. 3 is a top view of the outer rotor of the present invention;
FIG. 4 is a bottom view of the outer rotor of the present invention;
FIG. 5 is a cross-sectional view of the end cap of the present invention;
FIG. 6 is a top view of the end cap of the present invention;
FIG. 7 is a bottom view of the tip cap of the present invention;
FIG. 8 is a cross-sectional view of the stent of the present invention;
FIG. 9 is a top view of the bracket of the present invention;
FIG. 10 is a bottom view of the bracket of the present invention;
fig. 11 is a schematic view of the structure of the shaft of the present invention.
In the figure: 1. a rotor; 2. a first seal ring; 3. an end cap; 4. a support; 5. a second seal ring; 6. a shaft; 11. a first seal ring mounting groove; 12. an annular projection; 31. a planar small fan blade; 32. side small fan blades; 41. a second seal ring mounting groove; 42. a wire mounting groove; 61. a wire inlet hole; 62. a through hole; 63. a clamp spring groove.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Referring to fig. 1 to 11, in an embodiment of the present invention, a waterproof and dustproof outer rotor motor includes a rotor 1, an end cover 3 is installed at a top end of the rotor 1, a first seal ring installation groove 11 is formed at one end of the rotor 1, which is located at the end cover 3, and a first seal ring 2 is installed on the first seal ring installation groove 11; the top end of the end cover 3 is provided with a plane small fan blade and a side small fan blade 32, and the plane small fan blade 31 is positioned on the inner side of the side small fan blade 32; a shaft 6 is arranged on the rotor 1, the shaft 6 penetrates through the end cover 3, and the shaft 6 is connected with a support 4 through threads; the plane small fan blades 31 and the side small fan blades 32 are both of sheet structures, and the plane small fan blades 31 and the side small fan blades 32 are arranged in a staggered mode; an annular bulge 12 is arranged at one end, located at the end cover 3, of the rotor 1, and an annular groove matched with the annular bulge 12 is formed in the terminal; the rotor 1 and the end cover 3 are fixed through screws; a second sealing ring mounting groove 41 is formed in the top end of the support 4, and a second sealing ring 5 is mounted on the second sealing ring mounting groove 41; a through hole 62 is formed in the shaft 6, a wire inlet hole 61 communicated with the through hole 62 is formed in the rotor 1 of the shaft 6, and a clamp spring groove 63 is formed in the outer side of the shaft 6, so that the position precision can be increased; the bracket 4 is provided with a lead installation groove 42; the shaft 6 and the end cover 3 are sealed through an oil seal structure, and the shaft 6 and the support 4 are sealed through an oil seal structure; the outer rotor and the end cover 3 rotate, at the moment, the plane small fan blades 31 and the side small fan blades 32 on the end cover 3 can generate wind power, so that internal pressure is generated to supply outward pressure to air, and oil smoke and dust are prevented from entering between the support 4 and the end cover 3; a first sealing ring 2 is arranged between the rotor 1 and the end cover 3 and is matched with the end cover 3 by adopting a convex-concave groove structure, so that the sealing performance of the rotor 1 and the end cover 3 is enhanced, and the waterproof and dustproof performance of the position is enhanced; the shaft 6 and the end cover 3 are sealed through an oil seal structure, the oil seal structure enhances the sealing performance of the shaft 6 and enhances the waterproof, dustproof, anti-air-fog and anti-oil-smoke performance of the position; when in use, the fan blades are arranged on the bracket 4, and the second sealing ring 5 is arranged on the outer side of the bracket 4, so that the second sealing ring 5 can play a certain sealing role, and the waterproof, dustproof, anti-air-fog and anti-oil-smoke performance of the position is enhanced; a through hole 62 is formed on the shaft 6, and a wire inlet hole 61 communicated with the through hole 62 is formed in the rotor 1 of the shaft 6; the bracket 4 is provided with a lead installation groove 42; and a hole for the lead to penetrate through is not required to be additionally formed in the rotor, so that the waterproof and dustproof performance of the rotor is enhanced.
The working principle of the invention is as follows: when the outer rotor and the end cover 3 rotate during use, at the moment, the plane small fan blades 31 and the side small fan blades 32 on the end cover can generate wind power, so that internal pressure is generated to supply outward pressure to air, and aerosol, oil smoke and dust are prevented from entering between the support 4 and the end cover 3;
a first sealing ring 2 is arranged between the rotor 1 and the end cover 3 and is matched with a convex-concave groove structure, so that the sealing performance of the rotor 1 and the end cover 3 is enhanced, and the waterproof, dustproof, anti-air-fog and anti-oil-smoke performance of the rotor 1 and the end cover 3 is enhanced;
the shaft 6 and the end cover 3 are sealed through an oil seal structure, the oil seal structure enhances the sealing performance of the shaft 6 and enhances the waterproof, dustproof, anti-air-fog and anti-oil-smoke performance of the position;
when the fan is used, the fan blades are arranged on the end cover 3, and the second sealing ring 5 is arranged on the outer side of the support 4, so that the second sealing ring 5 can play a certain sealing role, and the waterproof and dustproof performance of the position is enhanced.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a waterproof dustproof external rotor electric machine, includes rotor (1), its characterized in that: an end cover (3) is installed at the top end of the rotor (1), a first sealing ring installation groove (11) is formed in one end, located on the end cover (3), of the rotor (1), and a first sealing ring (2) is installed on the first sealing ring installation groove (11);
the top end of the end cover (3) is provided with a plane small fan blade and a side small fan blade (32), and the plane small fan blade (31) is positioned on the inner side of the side small fan blade (32);
install axle (6) on rotor (1), end cover (3) is run through in axle (6), there are support (4) through threaded connection on axle (6).
2. The waterproof and dustproof external rotor motor according to claim 1, characterized in that: the plane small fan blades (31) and the side small fan blades (32) are both of sheet structures, and the plane small fan blades (31) and the side small fan blades (32) are arranged in a staggered mode.
3. The waterproof and dustproof external rotor motor according to claim 1, characterized in that: and an annular bulge (12) is arranged at one end, located on the end cover (3), of the rotor (1), and an annular groove matched with the annular bulge (12) is formed in the terminal.
4. The waterproof and dustproof external rotor motor according to claim 1 or 3, wherein: the rotor (1) and the end cover (3) are fixed through screws.
5. The waterproof and dustproof external rotor motor according to claim 1, characterized in that: and a second sealing ring mounting groove (41) is formed in the top end of the support (4), and a second sealing ring (5) is mounted on the second sealing ring mounting groove (41).
6. The waterproof and dustproof external rotor motor according to claim 1, characterized in that: a through hole (62) is formed in the shaft (6), a wire inlet hole (61) communicated with the through hole (62) is formed in the rotor (1) of the shaft (6), and a clamp spring groove (63) is formed in the outer side of the shaft (6).
7. The waterproof and dustproof external rotor motor according to claim 1, 5 or 6, wherein: and a lead mounting groove (42) is formed in the support (4).
8. The waterproof and dustproof external rotor motor according to claim 1, characterized in that: the shaft (6) and the end cover (3) are sealed through an oil seal structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210501880.5A CN114665649B (en) | 2022-05-10 | 2022-05-10 | Waterproof dustproof external rotor motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210501880.5A CN114665649B (en) | 2022-05-10 | 2022-05-10 | Waterproof dustproof external rotor motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114665649A true CN114665649A (en) | 2022-06-24 |
| CN114665649B CN114665649B (en) | 2024-09-13 |
Family
ID=82036540
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210501880.5A Active CN114665649B (en) | 2022-05-10 | 2022-05-10 | Waterproof dustproof external rotor motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114665649B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115133685A (en) * | 2022-07-06 | 2022-09-30 | 广东肇庆德通有限公司 | Rechargeable driving device for platform fan |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0405002A1 (en) * | 1989-06-30 | 1991-01-02 | Jakob, Karl, Dipl.-Ing.(FH) | Electric external rotor motor |
| CN102842982A (en) * | 2012-09-14 | 2012-12-26 | 高乾进 | Motor of outer-rotor blower |
| JP2014075879A (en) * | 2012-10-03 | 2014-04-24 | Sim-Drive Co Ltd | Outer rotor in-wheel motor |
| CN203589886U (en) * | 2013-12-03 | 2014-05-07 | 杭州雪尔电器有限公司 | External rotor motor |
| CN206948083U (en) * | 2017-05-18 | 2018-01-30 | 上海施依洛风机有限公司 | Dual-axle motor |
| CN207470461U (en) * | 2017-10-24 | 2018-06-08 | 青岛晟润泰电气制造有限公司 | A kind of waterproof ceiling fan |
| CN209233661U (en) * | 2018-12-17 | 2019-08-09 | 中山大洋电机股份有限公司 | An external rotor motor |
| CN209402300U (en) * | 2019-02-20 | 2019-09-17 | 东莞市博瓦特动力科技有限公司 | A kind of external rotor electric machine with dustproof and waterproof function |
| CN214850731U (en) * | 2021-03-08 | 2021-11-23 | 湖北惠洋电器制造有限公司 | An outer rotor motor with waterproof structure |
-
2022
- 2022-05-10 CN CN202210501880.5A patent/CN114665649B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0405002A1 (en) * | 1989-06-30 | 1991-01-02 | Jakob, Karl, Dipl.-Ing.(FH) | Electric external rotor motor |
| CN102842982A (en) * | 2012-09-14 | 2012-12-26 | 高乾进 | Motor of outer-rotor blower |
| JP2014075879A (en) * | 2012-10-03 | 2014-04-24 | Sim-Drive Co Ltd | Outer rotor in-wheel motor |
| CN203589886U (en) * | 2013-12-03 | 2014-05-07 | 杭州雪尔电器有限公司 | External rotor motor |
| CN206948083U (en) * | 2017-05-18 | 2018-01-30 | 上海施依洛风机有限公司 | Dual-axle motor |
| CN207470461U (en) * | 2017-10-24 | 2018-06-08 | 青岛晟润泰电气制造有限公司 | A kind of waterproof ceiling fan |
| CN209233661U (en) * | 2018-12-17 | 2019-08-09 | 中山大洋电机股份有限公司 | An external rotor motor |
| CN209402300U (en) * | 2019-02-20 | 2019-09-17 | 东莞市博瓦特动力科技有限公司 | A kind of external rotor electric machine with dustproof and waterproof function |
| CN214850731U (en) * | 2021-03-08 | 2021-11-23 | 湖北惠洋电器制造有限公司 | An outer rotor motor with waterproof structure |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115133685A (en) * | 2022-07-06 | 2022-09-30 | 广东肇庆德通有限公司 | Rechargeable driving device for platform fan |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114665649B (en) | 2024-09-13 |
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