CN212744399U - Fan of increase intake - Google Patents
Fan of increase intake Download PDFInfo
- Publication number
- CN212744399U CN212744399U CN202020686005.5U CN202020686005U CN212744399U CN 212744399 U CN212744399 U CN 212744399U CN 202020686005 U CN202020686005 U CN 202020686005U CN 212744399 U CN212744399 U CN 212744399U
- Authority
- CN
- China
- Prior art keywords
- stator
- rotor
- fan
- end cover
- assembly
- 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.)
- Active
Links
Images
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
A fan for increasing air intake comprises an end cover, and a bearing seat, a bearing, a rotor assembly, a stator assembly and an aluminum cover which are arranged on the end cover, wherein a stator mounting shaft for mounting the stator assembly is integrally formed in the middle of the inner side of the end cover, and the stator mounting shaft is of a hollow structure; the bearing is arranged on the bearing seat, the rotor assembly and the stator assembly are arranged correspondingly, the rotor assembly comprises a rotor and a rotating shaft, the rotating shaft is supported and arranged on the bearing, a plurality of blades are uniformly arranged on the outer wall of the rotor, the stator assembly is arranged on the stator mounting shaft and in the inner cavity of the rotor, the stator assembly comprises a stator core and a stator winding, and the stator winding is wound on the stator core; the aluminum cover and the rotor component are respectively positioned at two sides of the end cover; a plurality of arc installation portions are evenly distributed on the outer wall of the end cover in the circumferential direction, and mesh enclosure installation holes used for installing and fixing mesh enclosures are formed in the middle of each arc installation portion. This practical increase intake fan has expanded air inlet area, has improved the amount of wind of fan, and is very practical.
Description
Technical Field
The utility model relates to a fan technical field, in particular to fan of increase intake.
Background
Compared with a common motor, the outer rotor motor has the characteristics of high efficiency, low noise, light weight, convenience in installation and maintenance and the like, is widely applied, and has the advantage of compact structure when being applied to the field of fans; the air volume is an important parameter for measuring the performance of the fan, and the structure improvement can be carried out from two angles of increasing the air inlet volume and increasing the air outlet volume by increasing the air volume; in the existing design, the structure of the fixed mesh enclosure on the end cover of the fan is usually an annular bulge circumferentially arranged around the outer wall of the end cover, a mounting hole for mounting the fixed mesh enclosure is formed in the annular bulge, the annular bulge blocks a part of the air intake, and how to optimize the annular bulge so as to achieve the effect of improving the air intake and become a direction for further improvement.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that the problem to prior art exists provides the fan of the more reasonable increase intake of structure.
The utility model provides a technical scheme that above-mentioned technical problem adopted does: a fan for increasing air intake comprises an end cover, and a bearing seat, a bearing, a rotor assembly, a stator assembly and an aluminum cover which are arranged on the end cover, wherein a stator mounting shaft for mounting the stator assembly is integrally formed in the middle of the inner side of the end cover, and the stator mounting shaft is of a hollow structure; the bearing is installed on the bearing frame, the rotor subassembly corresponds the setting with stator module, integrated into one piece has non-whole ring installation department on the end cover outer wall, has seted up a plurality of screen panel mounting holes on the non-whole ring installation department.
Further, circumference evenly distributed has four arc installation departments, every on the end cover outer wall the screen panel mounting hole that is used for installing fixed screen panel is all seted up at arc installation department middle part.
Further, the rotor assembly comprises a rotor and a rotating shaft, the rotating shaft is mounted on a bearing, a plurality of fan blades are uniformly arranged on the outer wall of the rotor, the stator assembly is mounted on the stator mounting shaft and in the inner cavity of the rotor, the stator assembly comprises a stator core and a stator winding, and the stator winding is wound on the stator core; the aluminum cover and the rotor component are respectively positioned on two sides of the end cover.
Further, the rotor subassembly still includes the rotor magnetic sheet, the rotor magnetic sheet sets up on the inner wall of rotor.
Further, the rotor magnetic sheet is made of neodymium iron boron magnetic materials.
Further, the aluminum cover is made of aluminum.
Further, the stator winding is formed by winding a copper wire.
Furthermore, the fan blade is provided with seven blades, and the fan blade is a metal sickle-shaped blade or is formed by adopting high-strength plastic through mould pressing.
Compared with the prior art, the utility model discloses the beneficial effect of the fan of increase intake: the utility model discloses the fan of increase intake, it is firm to guarantee that the installation of fixed screen panel is to and do not influence under the prerequisite of fan overall structure intensity, the material of the annular bellied part around the end cover outer wall in the current design has been got rid of, it has complete annular mounting panel structure originally to have changed to have at outer wall integrated into one piece, the reduction stops, the air inlet area has been expanded, thereby the amount of wind of fan has been improved, therefore, reaching under the condition of same rotational speed, the intake of fan obtains increasing, the performance of fan has been improved, and the fan cost has been reduced.
Drawings
Fig. 1 is a front view of the fan (without a fixed mesh) for increasing the intake of the utility model.
Fig. 2 is a cross-sectional view of the fan (without a fixed mesh) for increasing the intake of air.
Fig. 3 is a front view of the aluminum lid of the prior art of the present invention.
Fig. 4 is a front view of the aluminum lid of the present invention.
Fig. 5 is a cross-sectional view of the a-a surface of the aluminum lid of the present invention.
Fig. 6 is a perspective view of the aluminum lid of the present invention.
Fig. 7 is a perspective view of the fan for increasing the intake of air.
Reference numerals: 1. an end cap; 11. a stator mounting shaft; 12. an arc-shaped mounting part; 13. a mesh enclosure mounting hole; 2. a bearing seat; 3. a bearing; 4. a rotor assembly; 41. a rotor; 42. a rotating shaft; 43. a rotor magnetic sheet; 5. a stator assembly; 51. A stator core; 52. a stator winding; 6. an aluminum cover; 7. a fan blade; 8. fixing a mesh enclosure;
Detailed Description
The present invention will be described in further detail with reference to the following embodiments.
As shown in fig. 1 to 6, the blower for increasing the intake air of the embodiment includes an end cover 1, and a bearing seat 2, a bearing 3, a rotor assembly 4, a stator assembly 5 and an aluminum cover 6 which are arranged on the end cover 1, wherein a stator mounting shaft 11 for mounting the stator assembly 5 is integrally formed in the middle of the inner side of the end cover 1, and the stator mounting shaft 11 is of a hollow structure; the bearing 3 is installed on the bearing seat 2, the rotor assembly 4 is arranged corresponding to the stator assembly 5, the rotor assembly 4 comprises a rotor 41 and a rotating shaft 42, the rotating shaft 42 is supported and installed on the bearing 3, a plurality of fan blades 7 are uniformly arranged on the outer wall of the rotor 41, the stator assembly 5 is installed on the stator installation shaft 11 and in the inner cavity of the rotor 41, the stator assembly 5 comprises a stator core 51 and a stator winding 52, and the stator winding 52 is wound on the stator core 51; the aluminum cover 6 and the rotor assembly 4 are respectively positioned at two sides of the end cover 1; a plurality of arc installation portions 12 are evenly distributed on the outer wall of the end cover 1 in the circumferential direction, and mesh enclosure installation holes 13 are formed in the middle of each arc installation portion 12 and used for installing and fixing a mesh enclosure, and the fixed mesh enclosure is used for improving the safety of the fan during use. The design of the arc-shaped mounting part 12 removes part of materials which are annularly protruded around the end cover 1 in the prior design under the condition of ensuring the strength, reduces the blockage, and expands the air inlet area of the fan, thereby improving the air inlet volume of the fan and the performance of the fan.
Preferably, in the present embodiment, the arc-shaped mounting portions 12 are provided with four, and four mesh mounting holes 13 are correspondingly provided.
Preferably, the rotor assembly 4 further includes a rotor magnetic sheet 43, the rotor magnetic sheet 43 is disposed on the inner wall of the rotor 41, and the rotor magnetic sheet 43 can effectively reduce the rotational inertia of the rotor 41, thereby improving the fan efficiency.
Preferably, the rotor magnetic sheet 43 is made of a neodymium iron boron magnetic material.
Preferably, the aluminum cover 6 is made of aluminum, and is light, thin and durable.
Preferably, the stator winding 52 is formed by winding copper wires, and the weight of the stator winding 52 can be reduced and the consumption of copper materials can be reduced while the heat dissipation capability is improved by using hollow copper wires.
Preferably, seven fan blades 7 are arranged in the embodiment, the fan blades are metal sickle-shaped fan blades, and high-strength plastic molding can also be adopted.
Finally, it should be noted that: the above embodiments are merely illustrative of the technical solutions of the present invention, and not limitative thereof; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (8)
1. The utility model provides a fan of increase intake which characterized in that: the motor stator comprises an end cover (1), and a bearing seat (2), a bearing (3), a rotor assembly (4), a stator assembly (5) and an aluminum cover (6) which are arranged on the end cover (1), wherein a stator mounting shaft (11) for mounting the stator assembly (5) is integrally formed in the middle of the inner side of the end cover (1), and the stator mounting shaft (11) is of a hollow structure; bearing (3) are installed on bearing frame (2), rotor subassembly (4) correspond the setting with stator module (5), integrated into one piece has non-whole ring installation department on end cover (1) outer wall, has seted up a plurality of screen panel mounting holes (13) on the non-whole ring installation department.
2. The fan for increasing the air intake according to claim 1, wherein four arc-shaped mounting portions (12) are uniformly distributed on the outer wall of the end cover (1) in the circumferential direction, and a mesh enclosure mounting hole (13) for mounting and fixing a mesh enclosure is formed in the middle of each arc-shaped mounting portion (12).
3. The fan capable of increasing the intake air according to claim 1, wherein the rotor assembly (4) comprises a rotor (41) and a rotating shaft (42), the rotating shaft (42) is mounted on the bearing (3), the outer wall of the rotor (41) is uniformly provided with a plurality of fan blades (7), the stator assembly (5) is mounted on the stator mounting shaft (11) and the stator assembly (5) is located in the inner cavity of the rotor (41), the stator assembly (5) comprises a stator core (51) and a stator winding (52), and the stator winding (52) is wound on the stator core (51); the aluminum cover (6) and the rotor assembly (4) are respectively positioned on two sides of the end cover (1).
4. The fan for increasing the intake air according to claim 1, wherein the rotor assembly (4) further comprises rotor magnetic sheets (43), and the rotor magnetic sheets (43) are arranged on the inner wall of the rotor (41).
5. The fan for increasing the intake of air as claimed in claim 4, wherein the rotor magnetic sheet (43) is made of neodymium iron boron magnetic material.
6. The fan capable of increasing the air intake according to claim 1, wherein the aluminum cover (6) is made of aluminum.
7. The fan for increasing the air intake according to claim 3, wherein the stator winding (52) is formed by winding copper wires.
8. The fan capable of increasing the intake air according to claim 3, wherein the fan blades (7) are provided with seven pieces, and the fan blades (7) are sickle-shaped metal blades or are formed by high-strength plastic die pressing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020686005.5U CN212744399U (en) | 2020-04-29 | 2020-04-29 | Fan of increase intake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020686005.5U CN212744399U (en) | 2020-04-29 | 2020-04-29 | Fan of increase intake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212744399U true CN212744399U (en) | 2021-03-19 |
Family
ID=75003410
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020686005.5U Active CN212744399U (en) | 2020-04-29 | 2020-04-29 | Fan of increase intake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212744399U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113908644A (en) * | 2021-11-14 | 2022-01-11 | 林益洪 | Fan and have wet dust collector of fan for building aggregate production |
-
2020
- 2020-04-29 CN CN202020686005.5U patent/CN212744399U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113908644A (en) * | 2021-11-14 | 2022-01-11 | 林益洪 | Fan and have wet dust collector of fan for building aggregate production |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201369663Y (en) | Disk-type brushless motor | |
| WO2004023628A1 (en) | Air-cooled electric motor | |
| CN109450151B (en) | Permanent magnet servo motor with built-in heat dissipation air duct | |
| CN212744399U (en) | Fan of increase intake | |
| JP4183814B2 (en) | Cage electric motor | |
| JP5648439B2 (en) | fan | |
| CN113193688A (en) | IP55 industrial ceiling fan motor with external cooling structure | |
| CN113258740A (en) | External rotor motor | |
| CN212130836U (en) | Fan provided with flow collecting piece | |
| CN114944731B (en) | Motor and flight equipment | |
| CN215186383U (en) | External rotor motor | |
| CN213360481U (en) | Brushless electric fan for dust collector | |
| CN212163017U (en) | Compact low-noise three-phase induction motor | |
| CN210092988U (en) | Optimized heat dissipation type surface-mounted permanent magnet motor rotor and motor | |
| JP5542984B1 (en) | AC generator for vehicles | |
| CN217883125U (en) | Inner fan suitable for low-voltage high-power motor and low-voltage high-power motor | |
| CN213846403U (en) | Motor for fan | |
| CN218633556U (en) | Air-cooled motor radiating through aluminum profile base interlayer | |
| CN218829407U (en) | Wind-shield ring of motor and motor | |
| CN211481059U (en) | Fan cover and motor | |
| CN215419778U (en) | Brushless direct current motor air duct with good noise reduction effect | |
| CN215762322U (en) | Axial flow fan | |
| CN216390684U (en) | Compact electrical equipment | |
| CN216894967U (en) | Heat radiation fan | |
| CN221328745U (en) | Axial centrifugal fan cooling motor device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |