CN213598224U - High-speed motor fan new structure - Google Patents
High-speed motor fan new structure Download PDFInfo
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- CN213598224U CN213598224U CN202022691615.7U CN202022691615U CN213598224U CN 213598224 U CN213598224 U CN 213598224U CN 202022691615 U CN202022691615 U CN 202022691615U CN 213598224 U CN213598224 U CN 213598224U
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Abstract
The utility model relates to the technical field of motor structures, in particular to a new high-speed motor fan framework, which comprises a front bracket, a rear bracket connected with one end of the front bracket, a placement cavity formed by connecting the front bracket and the rear bracket, a motor component arranged in the placement cavity, a shaft groove arranged on the front bracket and concentric with the placement cavity, and a shaft sleeve component arranged in the shaft groove; the motor assembly is provided with a rotating shaft, and the rotating shaft penetrates through the shaft sleeve assembly and is connected with a fan blade; the utility model reduces the probability of resonance eccentricity of the rotating shaft during high-speed rotation; the improvement of the coaxiality of the rotating shaft reduces the eccentric torque between the rotating shaft and the bearing, and effectively prolongs the service life of the bearing. The reduction of resonance and eccentric moment can effectively improve the smoothness of the operation of the rotating shaft and reduce the redundant noise generated by resonance and torsion.
Description
Technical Field
The utility model relates to a motor structure technical field especially relates to a new framework of high-speed motor fan.
Background
A motor (Electric motor), also called as an Electric motor, mainly converts received Electric power into mechanical energy, and then uses the mechanical energy to generate kinetic energy, so as to drive other devices, which also makes the motor widely used in various products, such as: electric vehicles, lathes, electric fans, water pumps, and the like. The existing motor structure is easy to generate resonance eccentricity when rotating at high speed, and easily causes the increase of eccentric torque between a rotating shaft and a bearing under the action of the resonance eccentricity, thereby influencing the service life of the whole motor and simultaneously causing the phenomena of unsmooth transmission, noise and the like under the action of the resonance eccentricity.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the utility model provides a device which can reduce the probability of resonance eccentricity of a rotating shaft during high-speed rotation; the improvement of the coaxiality of the rotating shaft reduces the eccentric torque between the rotating shaft and the bearing, and effectively prolongs the service life of the bearing. The reduction of resonance and eccentric moment can effectively raise the smoothness of rotating shaft operation and reduce the redundant noise produced by resonance and torsion.
The utility model adopts the technical proposal that: a new framework of a high-speed motor fan comprises a front bracket, a rear bracket connected to one end of the front bracket, a placement cavity formed by connecting the front bracket and the rear bracket, a motor assembly arranged in the placement cavity, a shaft groove arranged on the front bracket and concentric with the placement cavity, and a shaft sleeve assembly arranged in the shaft groove; the motor assembly is provided with a rotating shaft, and the rotating shaft penetrates through the shaft sleeve assembly to be connected with a fan blade.
In a further improvement of the above solution, the front bracket has a blade slot for receiving a fan blade.
The further improvement to the above scheme is that the front support is provided with a plurality of ventilation grooves which are annularly and uniformly distributed in the fan blade grooves and run through the front support and the rear support.
The further improvement of the scheme is that the outer diameter of the front support, the shaft groove and the accommodating cavity part are integrally machined and formed.
The scheme is further improved in that an inclined plane port is formed in the front support close to the rear support.
The further improvement of the scheme is that the rear bracket is provided with a connecting port, the connecting port is communicated to the mounting cavity, and the connecting port is connected to the inclined plane port.
The fan blade fixing device is characterized in that the rear support is provided with a fixing groove, the fixing groove and the mounting cavity are located in the same axis, a first bearing is installed in the fixing groove, and one end, far away from the fan blade, of the rotating shaft extends to the first bearing and is connected with the first bearing.
The further improvement of the scheme is that the outer diameter of the rear support, the fixing groove, the connecting port and the mounting cavity are integrally machined and formed in a turning mode.
The motor assembly comprises a stator seat arranged in the arrangement cavity, a magnetic ring sleeve arranged in the middle of the stator seat in a penetrating mode, and a PCB connected to the stator seat, wherein a connecting wire extends from the PCB, a wire groove used for the connecting wire to pass through is formed in the rear support, and the rotating shaft penetrates through and is connected to the magnetic ring sleeve.
The further improvement of the scheme is that the outer end of the rotating shaft, which is positioned on the fan blade, is sleeved with a counterweight ring.
The shaft sleeve assembly comprises a fixed sleeve arranged in the shaft groove, a second bearing and a third bearing which are arranged at two ends of the inner diameter of the sleeve, and a spring which is arranged in the inner diameter of the fixed sleeve and is positioned between the second bearing and the third bearing, wherein the rotating shaft penetrates through the second bearing, the spring and the third bearing.
The utility model has the advantages that:
compare traditional motor fan mounting structure, the utility model discloses a cooperation of fore-stock and after-poppet is used for fixing motor element, and fore-stock and after-poppet structure all through the integrative system of turning machine-shaping of lathe, and its concentricity can obtain the biggest assurance, precision in motor element assembly use, especially at the motor high-speed in-process that moves, the stability of the operation of very big assurance, structural accuracy is high, and the practicality is strong.
In addition, the probability of resonance eccentricity of the rotating shaft is reduced during high-speed rotation; the improvement of the coaxiality of the rotating shaft reduces the eccentric torque between the rotating shaft and the bearing, and effectively prolongs the service life of the bearing. The reduction of resonance and eccentric moment can effectively improve the smoothness of the operation of the rotating shaft and reduce the redundant noise generated by resonance and torsion.
Drawings
Fig. 1 is a schematic perspective view of the present invention;
fig. 2 is a schematic diagram of the explosion structure of the present invention;
fig. 3 is a schematic rear view of the present invention;
FIG. 4 is a cross-sectional view A-A of FIG. 3;
fig. 5 is a schematic view of the connection structure of the front bracket and the rear bracket of the present invention.
Description of reference numerals: the fan assembly comprises a front bracket 100, a shaft groove 110, a fan blade groove 120, a ventilation groove 130, a bevel port 140, a rear bracket 200, a connection port 210, a fixing groove 220, a first bearing 230, a wire guide groove 240, a mounting cavity 300, a motor assembly 400, a rotating shaft 410, a stator seat 420, a magnetic ring sleeve 430, a PCB 440, a connecting wire 450, a fan blade 460, a counterweight ring 461, a shaft sleeve assembly 500, a fixing sleeve 510, a second bearing 520, a third bearing 530 and a spring 540.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1 to 5, a new structure of a high-speed motor fan includes a front bracket 100, a rear bracket 200 connected to one end of the front bracket 100, a mounting cavity 300 formed by connecting the front bracket 100 and the rear bracket 200, a motor assembly 400 installed in the mounting cavity 300, a shaft slot 110 opened in the front bracket 100 and concentric with the mounting cavity 300, and a shaft sleeve assembly 500 installed in the shaft slot 110; the motor assembly 400 is provided with a rotating shaft 410, and a fan blade 460 is connected to the rotating shaft 410 through the boss assembly 500.
The fore-stock 100 has a flabellum groove 120 that is used for holding fan leaf 460, and the further improvement does, and a plurality of ventilation groove 130 have been seted up to fore-stock 100, ventilation groove 130 is the hoop equipartition in flabellum groove 120 and link up in fore-stock 100 and after-poppet 200, specifically, is used for holding fan leaf 460 through flabellum groove 120 and rotates, ventilates at rotation in-process ventilation groove 130, simple structure, and is practical reliable.
The outer diameter of the front support 100, the shaft groove 110 and the placing cavity 300 are integrally machined and formed, and the integral machining and forming of a numerical control CNC lathe are adopted, so that the machining precision is high, and the concentricity is guaranteed.
The front bracket 100 is provided with an inclined plane port 140 close to the rear bracket 200, and the further improvement is that the rear bracket 200 is provided with a connecting port 210, the connecting port 210 is communicated to the placing cavity 300, the connecting port 210 is connected to the inclined plane port 140, and the connecting port 210 and the inclined plane port 140 are installed in a matched mode, so that the structure is higher in precision in the installation process, convenient to assemble and good in stability.
The rear bracket 200 has a fixing groove 220, the fixing groove 220 and the mounting cavity 300 are located at the same axis, a first bearing 230 is installed in the fixing groove 220, one end of the rotating shaft 410, which is far away from the fan blade 460, extends to the first bearing 230 and is connected with the first bearing 230, and the tail of the rotating shaft 410 is fixed by the first bearing 230, so that the stability of transmission is further ensured.
The outer diameter of the rear support 200, the fixing groove 220, the connecting port 210 and the placing cavity 300 are integrally machined and formed, and the integral machining and forming of a numerical control CNC lathe are adopted, so that the machining precision is high, and the concentricity is guaranteed.
The motor assembly 400 includes a stator base 420 installed in the installation cavity 300, a magnetic ring sleeve 430 centrally inserted into the stator base 420, and a PCB 440 connected to the stator base 420, wherein a connection line 450 extends from the PCB 440, the rear bracket 200 is provided with a wire groove 240 for the connection line 450 to pass through, and the rotation shaft 410 is inserted into and connected to the magnetic ring sleeve 430; the outer end of the rotating shaft 410, which is positioned at the fan blade 460, is sleeved with a counterweight ring 461; firstly, the rotating shaft 410 is driven to rotate through the matching of the stator seat 420 and the magnetic ring sleeve 430, the driving control is realized through the connection of the PCB 440, and the connecting wire 450 is arranged to be matched with the wire groove 240, so that the connection control is convenient, the structure is simple, and the connection is convenient. The connecting wire 450 can be effectively prevented from leaking, and the problems of wind noise, abnormal sound and the like are caused due to the irregular arrangement of the connecting wire 450 during the structural assembly. The fan blade is further provided with a counterweight ring 461, wherein the counterweight ring 461 is a copper counterweight ring 461, and the counterweight ring is used as a sealing cap and a counterweight structure of the fan blade 460 by utilizing the plasticity and the processability of copper, so that the adjustment of the dynamic balance of components is facilitated.
The shaft sleeve assembly 500 includes a fixed sleeve 510 installed at the shaft groove 110, a second bearing 520 and a third bearing 530 installed at both ends of the inner diameter of the fixed sleeve 510, and a spring 540 installed at the inner diameter of the sleeve and located between the second bearing 520 and the third bearing 530, the rotation shaft 410 passing through the second bearing 520, the spring 540 and the third bearing 530; and serve to ensure stability of the rotating shaft 410 during rotation by means of bearings.
The utility model discloses a cooperation of fore-stock 100 and after-poppet 200 is used for fixing motor element 400, and fore-stock 100 and after-poppet 200 structure all make machine-shaping through the integrative car of lathe, and its concentricity can obtain the biggest assurance, and precision in motor element 400 assembly use, especially at the high-speed operation in-process of motor, the stability of the operation of very big assurance, structural accuracy is high, and the practicality is strong.
In addition, the probability of resonance eccentricity of the rotating shaft 410 is reduced at the time of high-speed rotation; the coaxiality of the rotating shaft 410 is improved, so that the eccentric torque between the rotating shaft 410 and the bearing is reduced, and the service life of the bearing is effectively prolonged. The reduction of the resonance and the eccentric moment effectively improves the smoothness of the operation of the rotating shaft 410, and reduces the unnecessary noise generated by the resonance and the torsion.
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. A new structure of high-speed motor fan is characterized in that: the motor assembly is arranged in the mounting cavity, a shaft groove which is arranged on the front support and is concentric with the mounting cavity, and a shaft sleeve assembly arranged in the shaft groove; the motor assembly is provided with a rotating shaft.
2. The new architecture of high-speed motor fan in claim 1, wherein: the rotating shaft penetrates through the shaft sleeve assembly and is connected with a fan blade; the front bracket is provided with a fan blade groove for accommodating the fan blade.
3. The new high-speed motor fan architecture of claim 2, wherein: the front support is provided with a plurality of ventilation grooves which are circumferentially and uniformly distributed in the fan blade grooves and run through the front support and the rear support.
4. The new architecture of high-speed motor fan in claim 1, wherein: the outer diameter of the front support, the shaft groove and the accommodating cavity are integrally machined and formed.
5. The new architecture of high-speed motor fan in claim 1, wherein: the front bracket is provided with an inclined plane port close to the rear bracket.
6. The new high-speed motor fan architecture of claim 5, wherein: the rear support is provided with a connecting port which is communicated to the mounting cavity, and the connecting port is connected to the inclined plane port.
7. The high-speed motor fan architecture as claimed in claim 6, wherein: the rear support is provided with a fixing groove, the fixing groove and the placement cavity are located in the same axis, a first bearing is installed in the fixing groove, and one end, far away from the fan blade, of the rotating shaft extends to the first bearing and is connected with the first bearing.
8. The high-speed motor fan architecture as claimed in claim 6, wherein: the outer diameter of the rear support, the fixing groove, the connecting port and the accommodating cavity are integrally machined and formed in a turning mode.
9. The new architecture of high-speed motor fan in claim 1, wherein: the motor assembly comprises a stator seat arranged in the arranging cavity, a magnetic ring sleeve arranged in the middle of the stator seat in a penetrating mode and a PCB connected to the stator seat, connecting wires extend from the PCB, a wire groove used for the connecting wires to pass through is formed in the rear support, and the rotating shaft penetrates through and is connected to the magnetic ring sleeve; the outer end of the rotating shaft, which is positioned on the fan blade, is sleeved with a counterweight ring.
10. The new architecture of high-speed motor fan in claim 1, wherein: the shaft sleeve assembly comprises a fixed sleeve arranged in the shaft groove, a second bearing and a third bearing which are arranged at two ends of the inner diameter of the fixed sleeve, and a spring which is arranged in the inner diameter of the sleeve and is positioned between the second bearing and the third bearing, and the rotating shaft penetrates through the second bearing, the spring and the third bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022691615.7U CN213598224U (en) | 2020-11-19 | 2020-11-19 | High-speed motor fan new structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022691615.7U CN213598224U (en) | 2020-11-19 | 2020-11-19 | High-speed motor fan new structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213598224U true CN213598224U (en) | 2021-07-02 |
Family
ID=76596237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022691615.7U Active CN213598224U (en) | 2020-11-19 | 2020-11-19 | High-speed motor fan new structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213598224U (en) |
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2020
- 2020-11-19 CN CN202022691615.7U patent/CN213598224U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220524 Address after: 523819 Room 203, building 2, No. 91, zongdui Road, Dalingshan Town, Dongguan City, Guangdong Province Patentee after: Dongguan Landong Technology Co.,Ltd. Address before: 518000 a1104b, workshop 1, Tianan Digital City Pioneer Park, 475 huanggekeng North Road, huanggekeng community, Longcheng street, Longgang District, Shenzhen City, Guangdong Province Patentee before: Shenzhen Blue Orange Global Technology Co.,Ltd. |
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| TR01 | Transfer of patent right |