CN220122686U - Waterproof brushless external rotating motor - Google Patents
Waterproof brushless external rotating motor Download PDFInfo
- Publication number
- CN220122686U CN220122686U CN202321429537.0U CN202321429537U CN220122686U CN 220122686 U CN220122686 U CN 220122686U CN 202321429537 U CN202321429537 U CN 202321429537U CN 220122686 U CN220122686 U CN 220122686U
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- CN
- China
- Prior art keywords
- cover
- waterproof
- motor
- motor shaft
- water
- 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.)
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 36
- 238000001816 cooling Methods 0.000 claims abstract description 17
- 238000007789 sealing Methods 0.000 claims description 13
- 239000003292 glue Substances 0.000 claims description 3
- 238000005260 corrosion Methods 0.000 abstract description 4
- 230000007797 corrosion Effects 0.000 abstract description 4
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 230000017525 heat dissipation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
- Motor Or Generator Frames (AREA)
Abstract
The utility model discloses a waterproof brushless external rotating motor, which comprises a stator (6), a rotor assembly (200), a waterproof cover (7) and a water cooling sleeve (100) which are sequentially arranged from inside to outside, wherein the rotor assembly (200) comprises a motor shaft (201), a machine shell (204), a front cover (202) and a plurality of magnetic tiles (203) uniformly arrayed in the circumferential direction in the inner hole of the machine shell, and the stator (6) is sleeved on an outlet cover (5) and is in close fit with the outlet cover (5); the motor shaft is erected in the outlet cover (5) through a bearing (4); the outer end of the motor shaft 201), namely the power output end, is in an excessively tight fit with the front cover (202). The utility model has small volume, and utilizes the inertia of the motor rotor to output larger moment and output larger power; the waterproof cover is designed on the external rotating motor, and the water cooling jacket is additionally arranged on the waterproof jacket, so that the corrosion resistance and the waterproof performance of the motor are improved, and the service lives of various parts such as a bearing and the whole motor are prolonged.
Description
Technical Field
The utility model belongs to the technical field of underwater sports equipment, and particularly relates to a waterproof brushless external rotating motor which is used for a high-power and high-current water surfboard motor.
Background
At present, most of power devices adopted by surfing boards at home and abroad are externally provided with motors, so that the size and the quality of the whole surfing board are large, the whole surfing board is inconvenient to carry and use, in the use process, seawater easily enters a cabin, the motors are not only corroded and damaged, but also potential safety hazards of electric leakage exist. On the other hand, in order to ensure waterproof performance, the motor is usually in a closed environment, and poor in heat dissipation performance affects the normal operation and service life of various parts such as bearings, so that the service life of the motor as a whole is short.
Disclosure of Invention
The utility model aims to provide a waterproof brushless external rotating motor, which is provided with an optimized motor heat dissipation system, a water cooling jacket is modified, a motor outer cover is designed on the external rotating motor, the corrosion resistance and the waterproof performance of the motor are improved, and the service lives of various parts such as a bearing and the whole motor are prolonged.
The utility model is realized by the following technical scheme:
the waterproof brushless external rotating motor comprises a stator 6, a rotor assembly 200, a waterproof cover 7 and a water cooling jacket 100 which are sequentially arranged from inside to outside, wherein the rotor assembly 200 comprises a motor shaft 201, a machine shell 204, a front cover 202 and a plurality of magnetic tiles 203 which are uniformly arrayed in the inner hole of the machine shell along the circumferential direction, the motor shaft 201 is positioned at the innermost side, the front cover 202 is positioned at the front end of the machine shell 204, and the stator 6 is sleeved on a wire outlet cover 5 and is in close fit with the wire outlet cover 5; the motor shaft is erected in the outlet cover 5 through the bearing 4; the outer end of the motor shaft 201, namely the power output end, sequentially penetrates through the front cover 202 and the front cover of the waterproof cover 7 from inside to outside and then stretches to the outside, and is in tight fit with the front cover 202, and a tetrafluoro oil seal 10 and an O-shaped ring 9 are further arranged between the motor shaft 201 and the front cover of the waterproof cover 7 from inside to outside to prevent water from entering from the front end; the outer side of the outlet cover 5 is also provided with a sealing round cover 1, and the waterproof cover 7 is matched with the outlet cover 5 through threads and is fixed in a sealing manner; the water cooling jacket 100 is externally added on the waterproof cover 7 and is used for reducing the temperature rise of the motor, and a sealing ring 104 is arranged at the contact position of the two ends.
Preferably, a waterproof O-shaped ring 3 is arranged between the outlet cover 5 and the sealing round cover 1 at the contact position.
Preferably, the waterproof cover 7 and the outlet cover 5 are sealed and fixed by waterproof glue after being matched through threads.
Preferably, a bearing snap ring 2 is further provided on the outer side of the position of the bearing 4 sleeved on the inner end portion of the motor shaft 201.
Preferably, the water-cooling jacket 100 comprises a water-cooling jacket body 101 with an inner cavity, a water inlet 103 and a water outlet 102 which are arranged on the water-cooling jacket body 101, wherein water entering the water inlet 103 adopts a water containing cavity outside a motor to enter water, or adopts water (water in rivers, lakes and seas) for sliding of a surfboard, or adopts water sprayed by a surfboard runner assembly.
Preferably, an inner clip 8 is further provided between the motor shaft 201 and the front cover of the waterproof cover 7, outside the O-ring 9.
The beneficial effects of the utility model are as follows:
the waterproof brushless external rotating motor has ingenious structure, small volume, and larger output moment and output power by utilizing the inertia of a motor rotor; the waterproof cover is designed on the external rotating motor, and the water cooling jacket is additionally arranged on the waterproof jacket, so that the corrosion resistance and the waterproof performance of the motor are improved, the service lives of various parts such as a bearing and the whole motor are prolonged, the temperature rise of the motor is reduced, and the practicability is high.
Drawings
For ease of illustration, the utility model is described in detail by the following specific examples and figures.
FIG. 1 is a schematic diagram of an embodiment of the present utility model;
FIG. 2 is a disassembled view of an embodiment of the present utility model;
FIG. 3 is a schematic structural view of a rotor assembly;
fig. 4 is a schematic structural view of the water jacket.
Description of the embodiments
As shown in fig. 1-4, a waterproof brushless external rotating motor comprises a stator 6, a rotor assembly 200, a waterproof cover 7 and a water cooling jacket 100 which are sequentially arranged from inside to outside, wherein the rotor assembly 200 comprises a motor shaft 201, a machine shell 204, a front cover 202 and a plurality of magnetic tiles 203 uniformly arrayed in the inner hole of the machine shell along the circumferential direction, the motor shaft 201 is positioned at the innermost side, the front cover 202 is positioned at the front end of the machine shell 204, and the stator 6 is sleeved on a wire outlet cover 5 and is in tight fit with the wire outlet cover 5; the motor shaft is erected in the outlet cover 5 through the bearing 4; the outer end of the motor shaft 201, namely the power output end, sequentially penetrates through the front cover 202 and the front cover of the waterproof cover 7 from inside to outside and then stretches to the outside, and is in tight fit with the front cover 202, and a tetrafluoro oil seal 10 and an O-shaped ring 9 are further arranged between the motor shaft 201 and the front cover of the waterproof cover 7 from inside to outside to prevent water from entering from the front end; the outer side of the outlet cover 5 is also provided with a sealing round cover 1, and the waterproof cover 7 is matched with the outlet cover 5 through threads and is fixed in a sealing manner; the water cooling jacket 100 is externally added on the waterproof cover 7 and is used for reducing the temperature rise of the motor, and a sealing ring 104 is arranged at the contact position of the two ends.
A waterproof O-shaped ring 3 is arranged between the outlet cover 5 and the sealing round cover 1 at the contact position.
The waterproof cover 7 is in threaded fit with the outlet cover 5 and then is fixed in a sealing manner through waterproof glue.
The outer side of the position of the bearing 4 sleeved on the inner end part of the motor shaft 201 is also provided with a shaft snap ring 2.
The water-cooling jacket 100 comprises a water-cooling jacket body 101 with an inner cavity, a water inlet 103 and a water outlet 102 which are arranged on the water-cooling jacket body 101, wherein water entering the water inlet 103 adopts a water containing cavity outside a motor to enter water, or adopts water (water in rivers, lakes and seas) for surfing board sliding, or adopts water sprayed by a surfing board runner component.
An inner clip 8 is also arranged between the motor shaft 201 and the front cover of the waterproof cover 7 and outside the O-shaped ring 9.
The waterproof brushless external rotating motor has ingenious structure, small volume, and larger output moment and output power by utilizing the inertia of a motor rotor; the waterproof cover is designed on the external rotating motor, and the water cooling jacket is additionally arranged on the waterproof jacket, so that the corrosion resistance and the waterproof performance of the motor are improved, the service lives of various parts such as a bearing and the whole motor are prolonged, the temperature rise of the motor is reduced, and the practicability is high.
The foregoing is merely illustrative of specific embodiments of the present utility model, and the scope of the utility model is not limited thereto, but any changes or substitutions that do not undergo the inventive effort should be construed as falling within the scope of the present utility model. Therefore, the protection scope of the present utility model should be subject to the protection scope defined by the claims.
Claims (6)
1. The waterproof brushless external rotating motor is characterized by comprising a stator (6), a rotor assembly (200), a waterproof cover (7) and a water cooling sleeve (100) which are sequentially arranged from inside to outside, wherein the rotor assembly (200) comprises a motor shaft (201), a machine shell (204), a front cover (202) and a plurality of magnetic tiles (203) uniformly arrayed in the circumferential direction in an inner hole of the machine shell, the motor shaft (201) is positioned at the innermost side, the front cover (202) is positioned at the front end of the machine shell (204), and the stator (6) is sleeved on an outlet cover (5) and is in tight fit with the outlet cover (5); the motor shaft is erected in the outlet cover (5) through a bearing (4); the outer end of the motor shaft (201), namely the power output end, sequentially penetrates through the front cover (202) and the front cover of the waterproof cover (7) from inside to outside and then stretches to the outside, and is in tight fit with the front cover (202), and a tetrafluoro oil seal (10) and an O-shaped ring (9) are further arranged between the motor shaft (201) and the front cover of the waterproof cover (7) from inside to outside so as to prevent water from entering from the front end; the outer side of the outlet cover (5) is also provided with a sealing round cover (1), and the waterproof cover (7) is matched with the outlet cover (5) through threads and is sealed and fixed; the water cooling sleeve (100) is externally added on the waterproof cover (7) and is used for reducing the temperature rise of the motor, and sealing rings (104) are arranged at the contact positions of the two ends.
2. A waterproof brushless external rotating electrical machine according to claim 1, characterized in that a waterproof O-ring (3) is also provided between the outlet cover (5) and the sealing dome (1) at the contact.
3. A waterproof brushless external rotating motor according to claim 1, characterized in that the waterproof cover (7) and the outlet cover (5) are fixed in a sealing way through waterproof glue after being matched through threads.
4. The waterproof brushless external rotating motor according to claim 1, wherein a bearing snap ring (2) is further provided outside the position of the bearing (4) sleeved on the inner end portion of the motor shaft (201).
5. The waterproof brushless external rotating motor according to claim 1, wherein the water-cooled jacket (100) comprises a water-cooled jacket body (101) with an inner cavity, and a water inlet (103) and a water outlet (102) which are arranged on the water-cooled jacket body (101).
6. A waterproof brushless external rotating electrical machine according to claim 1, characterized in that an internal clip (8) is provided between the motor shaft (201) and the front cover of the waterproof cover (7), outside the O-ring (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321429537.0U CN220122686U (en) | 2023-06-07 | 2023-06-07 | Waterproof brushless external rotating motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321429537.0U CN220122686U (en) | 2023-06-07 | 2023-06-07 | Waterproof brushless external rotating motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220122686U true CN220122686U (en) | 2023-12-01 |
Family
ID=88889062
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321429537.0U Active CN220122686U (en) | 2023-06-07 | 2023-06-07 | Waterproof brushless external rotating motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220122686U (en) |
-
2023
- 2023-06-07 CN CN202321429537.0U patent/CN220122686U/en active Active
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