CN112392749A - Make things convenient for brushless motor bearing housing device of dismouting - Google Patents
Make things convenient for brushless motor bearing housing device of dismouting Download PDFInfo
- Publication number
- CN112392749A CN112392749A CN202011329097.2A CN202011329097A CN112392749A CN 112392749 A CN112392749 A CN 112392749A CN 202011329097 A CN202011329097 A CN 202011329097A CN 112392749 A CN112392749 A CN 112392749A
- Authority
- CN
- China
- Prior art keywords
- fan
- motor
- main shaft
- box body
- bearing box
- 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.)
- Pending
Links
- 239000010687 lubricating oil Substances 0.000 claims description 12
- 238000007789 sealing Methods 0.000 claims description 8
- 239000003921 oil Substances 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract description 6
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000005457 optimization Methods 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract 1
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/05—Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/05—Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps
- F04D29/056—Bearings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/06—Lubrication
- F04D29/063—Lubrication specially adapted for elastic fluid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/263—Rotors specially for elastic fluids mounting fan or blower rotors on shafts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/32—Rotors specially for elastic fluids for axial flow pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Motor Or Generator Frames (AREA)
Abstract
In order to solve the problems of optimization of a fan transmission system, maintenance complexity reduction, compact structure and volume as much as possible and cost saving, the invention provides a device which is convenient for dismounting and directly connects a bearing box body, a brushless permanent magnet motor and a fan impeller through an integrally formed fan main shaft, and comprises the brushless permanent magnet motor and the bearing box body, wherein the fan main shaft is arranged on the bearing box body, penetrates through the bearing box body, and is sequentially connected with a motor taper sleeve and a rotor; the fan main shaft transmits the torque to the fan impeller through the first key groove device, so that the fan impeller is driven to rotate along with the torque; the motor taper sleeve inner hole is provided with a taper surface which is matched with the taper surface of the fan main shaft, so that the accurate positioning, the installation and the disassembly of the motor and the main shaft are facilitated, the motor taper sleeve is sleeved on the fan main shaft, the fan main shaft is driven to rotate by the second key groove device arranged in the inner hole, and the impeller end bearing is designed to be 1-2 models larger than the motor end bearing for the convenience of disassembly and assembly.
Description
Technical Field
The invention relates to the technical field of efficient brushless permanent magnets, in particular to a brushless motor bearing box device convenient to disassemble and assemble.
Background
The fan is a general machine with large quantity and wide range, and generally comprises a motor direct connection mode, a coupling direct connection mode and a belt transmission connection mode, wherein the belt transmission connection mode is to connect the fan and the motor indirectly through a belt and a belt pulley, so that friction and energy loss caused by friction heating and slipping after the belt is fatigued and extended can be generated between the belt pulley and the belt, and the efficiency is seriously influenced by the energy loss caused by the slipping after the belt is fatigued and extended. The direct connection of the motor reduces the energy consumption relative to the belt transmission connection mode, but for a large-size fan, the impeller is supported by the motor bearing and the motor base, the strength of the impeller is insufficient, and the lubrication and cooling of the motor bearing are insufficient. For the coupling connection, the efficiency is reduced due to the concentricity problem, so that the optimization of a fan transmission system, the maintenance complexity reduction, the compact structure and the cost saving are very important.
Disclosure of Invention
In view of the above, in order to solve the problems of optimization of a fan transmission system, reduction of maintenance complexity, and cost saving while achieving the most compact structure, the invention provides a device for directly connecting a bearing box body 4, a brushless permanent magnet motor 1 and a fan impeller 5 through an integrally formed fan main shaft 6, wherein the device for conveniently dismounting and mounting a brushless motor bearing box device comprises the brushless permanent magnet motor 1 and the bearing box body 4, the fan main shaft 6 is mounted on the bearing box body 4, penetrates through the bearing box body 4, and is sequentially connected with a motor taper sleeve 15 and a rotor 13; the fan main shaft 6 transmits the torque to the fan impeller 5 through the first key groove device 51, so as to drive the fan impeller 5 to rotate; the inner hole of the motor taper sleeve 15 is provided with a taper surface, the taper surface is matched with the taper surface of the fan main shaft 6, and the diameter of the inner hole is consistent with that of the fan main shaft 6, so that the motor and the fan main shaft 6 can be conveniently disassembled and assembled, the motor taper sleeve 15 is sleeved on the fan main shaft 6, and the fan main shaft 6 is driven to rotate by the second key groove device 17 arranged in the inner hole; the impeller end bearing is designed to be 1-2 models larger than the motor end bearing for the convenience of disassembly and assembly.
The utility model provides a make things convenient for brushless motor bearing box device of dismouting, includes brushless permanent-magnet machine 1, fan main shaft 6 and bearing housing 4, its characterized in that: the brushless motor is composed of a motor housing 11 and a driving device, the driving device is located inside the motor housing 11, and the driving device includes: a motor taper sleeve 15, a rotor 13 and a stator coil 14, wherein the rotor 13 is connected with the outside of the motor taper sleeve 15, the outer ring of the rotor 13 is provided with a stator coil 14, the stator coil 14 is electrically connected with an external power supply 12, an inner hole of a motor taper sleeve 15 is provided with a second key groove device 17 and a taper sleeve conical surface 16, the fan main shaft 6 is an integrally formed shaft, an input shaft of the fan main shaft 6 penetrates through the interior of the brushless permanent magnet motor 1 to be connected with the second key groove device 17 of the inner hole of the motor taper sleeve 15 inside the brushless permanent magnet motor 1, the conical surface of the fan main shaft 6 is accurately matched with the conical surface 16 of the taper sleeve, the bearing box body 4 is of a through cavity structure, lubricating oil is filled in the through cavity, the output end of the fan main shaft 6 passes through the middle through cavity of the bearing box body 4 and then is connected with a fan impeller 5, the stator coil 14 is electrified to drive the rotor 13, the motor taper sleeve 15 and the fan main shaft 6 to rotate so as to realize the rotation of the fan impeller 5.
Further, the diameter of the inner hole of the motor taper sleeve 15 is the same as that of the fan main shaft 6.
Further, one end face of the motor taper sleeve 15 is provided with a circular nut 2 and a circular retainer ring 3, and the two ends of the motor taper sleeve 15 are fixed with the fan main shaft 6 through the matching of the circular nut 2 and the circular retainer ring 3.
Further, the end of the fan spindle 6 close to the brushless motor is connected with a fan 7, the fan 7 is connected with the fan spindle 6 through a third key groove device 71, and the fan spindle 6 drives the fan 7 to rotate, so that the brushless motor is cooled.
Furthermore, the fan 7 is further sleeved with a fan cover 8, and one end, close to the brushless motor, of the fan cover 8 is fixedly connected with the motor shell 11 to form the fan cover, so that air flow is increased, and dust is prevented from entering the brushless motor.
Furthermore, a left cover plate 41 and a right cover plate 42 are arranged at two ends of the bearing box body 4, one end, far away from the fan cover 8, of the motor shell 11 is connected with the left cover plate 41 through nuts or bolts, the right cover plate 42 is connected with the box body through nuts or bolts, the bearing is located, and therefore axial location is achieved for the fan main shaft 6.
Furthermore, a first sealing ring 45 is arranged at the joint of the left cover plate 41 and the bearing box 4, and a second sealing ring 46 is arranged at the joint of the right cover plate 42 and the bearing box 4, so that the lubricating oil of the bearing box 4 is prevented from overflowing to achieve a sealing effect.
Furthermore, an oil seal is arranged at the joint of the right cover plate 42 and the fan main shaft 6, and the design of the lubricating oil seal is not easy to allow the lubricating oil to leak.
Further, the output end of the fan spindle 6 is connected with the fan impeller 5 through a first key groove device 51.
Further, bearing box 4 is integrated into one piece's structure, and the thickness in the four corners of bearing box 4 is greater than the thickness in the four planes of bearing box 4 for the power that bearing box 4 can bear increases and the quality is light, and bearing box 4 still is equipped with oiling mouth 44 and window 43, and the cooperation through window 43 and oiling mouth 44 makes fan main shaft 6's bearing lower part submergence in lubricating oil.
The invention has the beneficial effects that: the invention provides a device for directly connecting a brushless motor bearing box device with a bearing box body 4, a brushless permanent magnet motor 1 and a fan impeller 5 through an integrally formed fan main shaft 6, which is convenient to disassemble and assemble, and comprises the brushless permanent magnet motor 1 and the bearing box body 4, wherein the fan main shaft 6 is arranged on the bearing box body 4, penetrates through the bearing box body 4 and is sequentially connected with a motor taper sleeve 15 and a rotor 13; the fan main shaft 6 transmits the torque to the fan impeller 5 through the first key groove device 51, so as to drive the fan impeller 5 to rotate; the inner hole of the motor taper sleeve 15 is provided with a taper surface, the taper surface is matched with the taper surface of the fan main shaft 6, and the diameter of the inner hole is consistent with that of the fan main shaft 6, so that the motor and the fan main shaft 6 can be conveniently disassembled and assembled, the motor taper sleeve 15 is sleeved on the fan main shaft 6, and the fan main shaft 6 is driven to rotate by the second key groove device 17 arranged in the inner hole; the impeller end bearing is designed to be 1-2 models larger than the motor end bearing for the convenience of disassembly and assembly.
Drawings
Fig. 1 is a schematic cross-sectional structure diagram of a brushless motor bearing housing device convenient for disassembly and assembly according to the present invention.
Fig. 2 is a schematic partial sectional view of a brushless motor bearing housing device convenient for assembly and disassembly according to the present invention.
Description of the main elements
The following detailed description will further illustrate the invention in conjunction with the above-described figures.
Detailed Description
Fig. 1 is a schematic structural diagram of a brushless motor bearing housing device convenient for disassembly and assembly according to the present invention; fig. 2 is a schematic partial sectional view of a brushless motor bearing housing device of the present invention, which is easy to be assembled and disassembled.
The utility model provides a make things convenient for brushless motor bearing box device of dismouting, includes brushless permanent-magnet machine 1, fan main shaft 6 and bearing housing 4, its characterized in that: the brushless motor is composed of a motor housing 11 and a driving device, the driving device is located inside the motor housing 11, and the driving device includes: a motor taper sleeve 15, a rotor 13 and a stator coil 14, wherein the rotor 13 is connected with the outside of the motor taper sleeve 15, the outer ring of the rotor 13 is provided with a stator coil 14, the stator coil 14 is electrically connected with an external power supply 12, an inner hole of a motor taper sleeve 15 is provided with a second key groove device 17 and a taper sleeve conical surface 16, the fan main shaft 6 is an integrally formed shaft, an input shaft of the fan main shaft 6 penetrates through the interior of the brushless permanent magnet motor 1 to be connected with the second key groove device 17 of the inner hole of the motor taper sleeve 15 inside the brushless permanent magnet motor 1, the conical surface of the fan main shaft 6 is accurately matched with the conical surface 16 of the taper sleeve, the bearing box body 4 is of a through cavity structure, lubricating oil is filled in the through cavity, the output end of the fan main shaft 6 passes through the middle through cavity of the bearing box body 4 and then is connected with a fan impeller 5, the stator coil 14 is electrified to drive the rotor 13, the motor taper sleeve 15 and the fan main shaft 6 to rotate so as to realize the rotation of the fan impeller 5.
The diameter of the inner hole of the motor taper sleeve 15 is the same as that of the fan main shaft 6.
One end face of the motor taper sleeve 15 is provided with a circular nut 2 and a circular retainer ring 3, and the two ends of the motor taper sleeve 15 are fixed with the fan main shaft 6 through the matching of the circular nut 2 and the circular retainer ring 3.
The fan 7 is connected to the end, close to the brushless motor, of the fan spindle 6, the fan 7 is connected with the fan spindle 6 through the third key groove device 71, and the fan 7 is driven to rotate through the fan spindle 6 so as to cool the brushless motor.
The fan 7 is further sleeved with a fan cover 8, one end, close to the brushless motor, of the fan cover 8 is fixedly connected with the motor shell 11 to form the fan cover, air flow is increased, and meanwhile dust is prevented from entering the brushless motor.
The two ends of the bearing box body 4 are provided with a left cover plate 41 and a right cover plate 42, one end, far away from the fan cover 8, of the motor shell 11 is connected with the left cover plate 41 through nuts or bolts, the right cover plate 42 is connected with the box body through nuts or bolts to position the bearing, and therefore axial positioning is achieved for the fan main shaft 6.
The joint of the left cover plate 41 and the bearing box 4 is provided with a first sealing ring 45, and the joint of the right cover plate 42 and the bearing box 4 is provided with a second sealing ring 46, so that the lubricating oil of the bearing box 4 is prevented from overflowing to play a role in sealing.
An oil seal is further arranged at the joint of the right cover plate 42 and the fan main shaft 6, and the design of the lubricating oil seal is not prone to leakage of the lubricating oil.
The output end of the fan main shaft 6 is connected with the fan impeller 5 through a first key groove device 51.
Bearing box 4 is integrated into one piece's structure, and the thickness in the four corners of bearing box 4 is greater than the thickness in the four planes of bearing box 4 for the power that bearing box 4 can bear increases and the quality is light, and bearing box 4 still is equipped with oiling mouth 44 and window 43, and the cooperation through window 43 and oiling mouth 44 makes fan main shaft 6's bearing lower part submergence in lubricating oil.
The invention has the beneficial effects that: the invention provides a device for directly connecting a brushless motor bearing box device with a bearing box body 4, a brushless permanent magnet motor 1 and a fan impeller 5 through an integrally formed fan main shaft 6, which is convenient to disassemble and assemble, and comprises the brushless permanent magnet motor 1 and the bearing box body 4, wherein the fan main shaft 6 is arranged on the bearing box body 4, penetrates through the bearing box body 4 and is sequentially connected with a motor taper sleeve 15 and a rotor 13; the fan main shaft 6 transmits the torque to the fan impeller 5 through the first key groove device 51, so as to drive the fan impeller 5 to rotate; the inner hole of the motor taper sleeve 15 is provided with a taper surface, the taper surface is matched with the taper surface of the fan main shaft 6, and the diameter of the inner hole is consistent with that of the fan main shaft 6, so that the motor and the fan main shaft 6 can be conveniently disassembled and assembled, the motor taper sleeve 15 is sleeved on the fan main shaft 6, and the fan main shaft 6 is driven to rotate by the second key groove device 17 arranged in the inner hole; the impeller end bearing is designed to be 1-2 models larger than the motor end bearing for the convenience of disassembly and assembly.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. The utility model provides a make things convenient for brushless motor bearing box device of dismouting, includes brushless permanent-magnet machine (1), fan main shaft (6) and bearing box (4), its characterized in that: the brushless motor is composed of a motor housing (11) and a driving device, the driving device is positioned inside the motor housing (11), and the driving device comprises: the motor taper sleeve (15), the rotor (13) and the stator coil (14), the rotor (13) is connected to the outer portion of the motor taper sleeve (15), the stator coil (14) is arranged on the outer ring of the rotor (13), the stator coil (14) is electrically connected with an external power supply (12), a second key groove device (17) and a taper sleeve conical surface (16) are arranged on the inner hole of the motor taper sleeve (15), the fan spindle (6) is an integrally formed shaft, the input shaft of the fan spindle (6) penetrates through the interior of the brushless permanent magnet motor (1) and is connected with the second key groove device (17) of the inner hole of the motor taper sleeve (15) inside the brushless permanent magnet motor (1), the conical surface of the fan spindle (6) is accurately matched with the taper sleeve conical surface (16), the bearing box body (4) is of a through cavity structure, lubricating oil is arranged in the through cavity, the output end of the fan spindle (6) penetrates through the middle through cavity of the bearing box body (4) and, the stator coil (14) is electrified to drive the rotor (13), the motor taper sleeve (15) and the fan main shaft (6) to rotate so as to realize the rotation of the fan impeller (5).
2. The easy-to-dismount brushless motor bearing housing arrangement according to claim 1, wherein: the diameter of the inner hole of the motor taper sleeve (15) is the same as that of the fan main shaft (6).
3. The easy-to-dismount brushless motor bearing housing arrangement according to claim 1, wherein: one end face of the motor taper sleeve (15) is provided with a circular nut (2) and a circular retainer ring (3), and the two ends of the motor taper sleeve (15) are fixed with the fan spindle (6) through the matching of the circular nut (2) and the circular retainer ring (3).
4. The easy-to-dismount brushless motor bearing housing arrangement according to claim 1, wherein: the end, close to the brushless motor, of the fan main shaft (6) is connected with a fan (7), and the fan (7) is connected with the fan main shaft (6) through a third key groove device (71).
5. The easy-to-dismount brushless motor bearing housing arrangement according to claim 1, wherein: the fan (7) is also sleeved with a fan cover (8), and one end, close to the brushless motor, of the fan cover (8) is fixedly connected with the motor shell (11).
6. The easy-to-dismount brushless motor bearing housing arrangement according to claim 1, wherein: the bearing box body (4) both ends are equipped with left side apron (41) and right side apron (42), and motor housing (11) is kept away from the one end of fan housing (8) and is passed through nut or bolted connection with left side apron (41), and right side apron (42) are passed through nut or bolt and are connected with the box body.
7. The easy-to-dismount brushless motor bearing housing arrangement according to claim 6, wherein: a first sealing ring (45) is arranged at the joint of the left cover plate (41) and the bearing box body (4), and a second sealing ring (46) is arranged at the joint of the right cover plate (42) and the bearing box body (4).
8. The easy-to-dismount brushless motor bearing housing arrangement according to claim 6, wherein: an oil seal is also arranged at the joint of the right cover plate (42) and the fan main shaft (6).
9. The easy-to-dismount brushless motor bearing housing arrangement according to claim 1, wherein: the output end of the fan main shaft (6) is connected with the fan impeller (5) through a first key groove device (51).
10. The easy-to-dismount brushless motor bearing housing arrangement according to claim 1, wherein: the bearing box body (4) is the integrated into one piece's structure, and the thickness in the four corners of bearing box body (4) is greater than the thickness in the four planes of bearing box body (4) for the power that bearing box body (4) can bear increases and the quality is light, and bearing box body (4) still are equipped with oiling mouth (44) and window (43), and the cooperation through window (43) and oiling mouth (44) makes the bearing lower part submergence of fan main shaft (6) in lubricating oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011329097.2A CN112392749A (en) | 2020-11-24 | 2020-11-24 | Make things convenient for brushless motor bearing housing device of dismouting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011329097.2A CN112392749A (en) | 2020-11-24 | 2020-11-24 | Make things convenient for brushless motor bearing housing device of dismouting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112392749A true CN112392749A (en) | 2021-02-23 |
Family
ID=74607737
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011329097.2A Pending CN112392749A (en) | 2020-11-24 | 2020-11-24 | Make things convenient for brushless motor bearing housing device of dismouting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112392749A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115788944A (en) * | 2023-01-16 | 2023-03-14 | 中国电建集团透平科技有限公司 | Large-scale wind-tunnel fan drive shafting structure |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5663604A (en) * | 1994-12-28 | 1997-09-02 | Nidec Corporation | Brushless motor |
| US20140084717A1 (en) * | 2012-09-26 | 2014-03-27 | Hitachi Koki Co., Ltd. | Brushless motor and electric-powered tool |
| CN111416462A (en) * | 2020-05-08 | 2020-07-14 | 苏州萨得尔电动工具有限公司 | High-speed brushless motor of screwless structure |
| CN211089342U (en) * | 2019-12-20 | 2020-07-24 | 上海通用风机股份有限公司 | High-efficient compact permanent-magnet machine and bearing box connection assembly |
| CN213953942U (en) * | 2020-11-24 | 2021-08-13 | 江苏熙诚环保科技有限公司 | Make things convenient for brushless motor bearing housing device of dismouting |
-
2020
- 2020-11-24 CN CN202011329097.2A patent/CN112392749A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5663604A (en) * | 1994-12-28 | 1997-09-02 | Nidec Corporation | Brushless motor |
| US20140084717A1 (en) * | 2012-09-26 | 2014-03-27 | Hitachi Koki Co., Ltd. | Brushless motor and electric-powered tool |
| CN211089342U (en) * | 2019-12-20 | 2020-07-24 | 上海通用风机股份有限公司 | High-efficient compact permanent-magnet machine and bearing box connection assembly |
| CN111416462A (en) * | 2020-05-08 | 2020-07-14 | 苏州萨得尔电动工具有限公司 | High-speed brushless motor of screwless structure |
| CN213953942U (en) * | 2020-11-24 | 2021-08-13 | 江苏熙诚环保科技有限公司 | Make things convenient for brushless motor bearing housing device of dismouting |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115788944A (en) * | 2023-01-16 | 2023-03-14 | 中国电建集团透平科技有限公司 | Large-scale wind-tunnel fan drive shafting structure |
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Effective date of registration: 20210316 Address after: 226661 group 35, Liuwei village, Qutang Town, Hai'an City, Nantong City, Jiangsu Province Applicant after: Jiangsu Xicheng Environmental Protection Technology Co.,Ltd. Address before: 215300 Building 1, no.1788 Huayuan Road, Zhangpu Town, Kunshan City, Suzhou City, Jiangsu Province Applicant before: Xi Su Cheng Intelligent Technology (Suzhou) Co.,Ltd. |