CN213953942U - 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
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- CN213953942U CN213953942U CN202022741377.6U CN202022741377U CN213953942U CN 213953942 U CN213953942 U CN 213953942U CN 202022741377 U CN202022741377 U CN 202022741377U CN 213953942 U CN213953942 U CN 213953942U
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- bearing box
- box body
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Abstract
In order to solve the problems of optimization of a fan transmission system, maintenance complexity reduction, compact structure and cost saving, the utility model 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, passes 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 utility model relates to a high-efficient brushless permanent magnetism technical field, it is comparatively concrete, involve a make things convenient for brushless motor bearing housing device of dismouting.
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.
SUMMERY OF THE UTILITY MODEL
In view of this, in order to solve the problems of optimization of the fan transmission system, reduction of maintenance complexity, and cost saving while the structure volume is as compact as possible, the utility model provides a device for directly connecting a bearing box 4, a brushless permanent magnet motor 1 and a fan impeller 5 through an integrally formed fan main shaft 6, which comprises the brushless permanent magnet motor 1 and the bearing box 4, wherein the fan main shaft 6 is installed on the bearing box 4, passes through the bearing box 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 utility model has the advantages that: the utility model provides a conveniently dismouting brushless motor bearing box device directly connects the device of bearing box 4, brushless permanent-magnet machine 1 and fan impeller 5 through integrated into one piece's fan main shaft 6, including brushless permanent-magnet machine 1 and bearing box 4, fan main shaft 6 installs on bearing box 4, passes the bearing box 4 body, connects gradually with motor taper sleeve 15 and 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 view of the sectional structure of the brushless motor bearing housing device of the present invention, which is easy to be disassembled and assembled.
Fig. 2 is a schematic view of a local section structure of the brushless motor bearing housing device of the present invention, which is convenient for disassembly and assembly.
Description of the main elements
The following detailed description of the invention will be further described in conjunction with the above-identified drawings.
Detailed Description
As shown in fig. 1, it is a schematic structural diagram of the brushless motor bearing housing device convenient for disassembly and assembly of the present invention; as shown in fig. 2, a schematic view of a local cross-section structure of the brushless motor bearing housing device of the present invention is shown.
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 utility model has the advantages that: the utility model provides a conveniently dismouting brushless motor bearing box device directly connects the device of bearing box 4, brushless permanent-magnet machine 1 and fan impeller 5 through integrated into one piece's fan main shaft 6, including brushless permanent-magnet machine 1 and bearing box 4, fan main shaft 6 installs on bearing box 4, passes the bearing box 4 body, connects gradually with motor taper sleeve 15 and 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 represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should 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 is connected with the 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).
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 |
|---|---|---|---|
| CN202022741377.6U CN213953942U (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 |
|---|---|---|---|
| CN202022741377.6U CN213953942U (en) | 2020-11-24 | 2020-11-24 | Make things convenient for brushless motor bearing housing device of dismouting |
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| Publication Number | Publication Date |
|---|---|
| CN213953942U true CN213953942U (en) | 2021-08-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022741377.6U Active CN213953942U (en) | 2020-11-24 | 2020-11-24 | Make things convenient for brushless motor bearing housing device of dismouting |
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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 |
-
2020
- 2020-11-24 CN CN202022741377.6U patent/CN213953942U/en active Active
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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