CN218780539U - Novel fan - Google Patents
Novel fan Download PDFInfo
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- CN218780539U CN218780539U CN202223042034.6U CN202223042034U CN218780539U CN 218780539 U CN218780539 U CN 218780539U CN 202223042034 U CN202223042034 U CN 202223042034U CN 218780539 U CN218780539 U CN 218780539U
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- side wall
- fan
- outer side
- sleeve
- sleeve portion
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Abstract
The application discloses a novel fan, which comprises a fan blade, a motor driving component connected with the fan blade, and a fan blade casing connected with the motor driving component, wherein the fan blade casing comprises a sleeve part enclosing the fan blade and the motor driving component, and one end of the inner side wall of the sleeve part is connected with an air guide blade component connected with the motor driving component; two ends of the outer side wall of the sleeve part are respectively provided with an annular boss extending towards the normal direction of the outer side wall of the sleeve; the annular boss at one end of the air guide blade assembly, which is connected with one end of the outer side wall of the sleeve part, far away from the inner side wall of the sleeve part, is provided with a plurality of annular step steps lower than the end face of the annular boss; the annular step is at least provided with a plurality of first bosses arranged at intervals of a first angle; a plurality of first mounting holes are formed in the first bosses. Through this kind of mode, realize the change that can compatible multiple specification fan, and can provide the better fan of performance.
Description
Technical Field
The utility model relates to a fan equipment, concretely relates to novel fan.
Background
In the prior art, fans used in aerospace have extremely high performance requirements, and are generally applied to occasions with high environmental adaptability requirements, such as external hanging of airplanes, land transportation and the like.
In the process of realizing the prior art, the inventor finds that:
when the fan is replaced, the components of the fan cannot be installed at the original fan installation position due to the updating of the versions of the components of the fan. For example, the assembly interval angle of the components of the original fan is 55.5 °, the components of the updated fan is 60 ° or 90 °, the updated components cannot be installed at the installation position of the original fan, and meanwhile, the improvement of other structures of the components of the updated fan cannot be applied to the original fan.
Therefore, a novel fan which is compatible with various mounting holes and has excellent performance is required to be provided to solve the technical problem that updated parts cannot be mounted on the original fan mounting position in the prior art.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provides a novel fan, which comprises a fan blade, a motor driving component connected with the fan blade and a fan blade casing connected with the motor driving component, wherein the fan blade casing comprises a sleeve part enclosing the fan blade and the motor driving component, and one end of the inner side wall of the sleeve part is connected with an air guide blade component connected with the motor driving component; two ends of the outer side wall of the sleeve part are respectively provided with an annular boss extending towards the normal direction of the outer side wall of the sleeve; the annular boss at one end of the air guide blade assembly, which is connected with the outer side wall of the sleeve part far away from the inner side wall of the sleeve part, is provided with a plurality of annular stepped steps lower than the end face of the annular boss; the annular stepped step is at least provided with a plurality of first bosses which are arranged at intervals of a first angle and are flush with the end surfaces of the annular bosses; a plurality of first mounting holes are formed in the first bosses.
Furthermore, a second boss which is located between the mounting holes and is parallel to the end face of the annular boss is further arranged on the annular step.
Furthermore, the annular boss at one end of the air guide blade assembly, which is connected with the outer side wall of the sleeve part close to the inner side wall of the sleeve part, is also provided with a second mounting hole corresponding to the first mounting hole in position.
Furthermore, an outlet connected with the wind guide blades of the wind guide blade assembly is also arranged on the outer side wall of the sleeve part.
Furthermore, the outer side wall of the sleeve part is also provided with a plurality of transverse reinforcing ribs which are arranged along the circumferential direction of the sleeve and are spaced at preset distances.
Furthermore, the outer side wall of the sleeve part is also provided with a plurality of longitudinal reinforcing ribs which are arranged along the axial direction of the sleeve and are arranged at intervals with preset angles.
Further, the inner wall surface of the sleeve portion is provided with a predetermined draft angle along the axial direction of the sleeve portion.
The technical scheme provided by the embodiment of the application at least has the following beneficial effects: through the novel fan that this application provided, the change of multiple installation hole site can be compatible, and the better fan of performance can be provided.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
fig. 1 is a schematic structural diagram of a novel fan provided in an embodiment of the present application;
FIG. 2 isbase:Sub>A schematic cross-sectional view ofbase:Sub>A novel wind turbine A-A provided in accordance with the embodiment of the present application of FIG. 1;
fig. 3 is a schematic structural diagram of a fan blade housing 30 of the novel fan provided in the embodiment of the present application.
A novel fan-100; a fan blade-10; motor drive assembly-20; motor drive shaft-201;pcb board-202; a fan blade casing-30; a sleeve portion-301; an annular boss-3011; a ring-shaped step-30111; a first boss-30112; a first mounting hole-30113; second boss-30114; a fan assembly-302; a second mounting hole-3021; an outlet-303; screw hole-3031; a transverse reinforcing rib-304; longitudinal reinforcing ribs-305.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be described in detail and completely with reference to the following specific embodiments of the present application and the accompanying drawings. It should be apparent that the described embodiments are only some of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Referring to fig. 1 to 3, the present application discloses a novel fan 100, including a fan blade 10, a motor driving assembly 20 connected to the fan blade 10, and a fan blade casing 30 connected to the motor driving assembly 20, where the fan blade casing 30 includes a sleeve portion 301 enclosing the fan blade 10 and the motor driving assembly 20, and one end of an inner side wall of the sleeve portion 301 is connected to a wind guide blade assembly 302 connected to the motor driving assembly 20; two ends of the outer side wall of the sleeve part 301 are respectively provided with an annular boss 3011 extending towards the normal direction of the outer side wall of the sleeve; the annular boss 3011 at one end of the air guide blade assembly 302, which is connected with the outer side wall of the sleeve part 301 far away from the inner side wall of the sleeve part 301, is provided with a plurality of annular stepped steps 30111 lower than the end face of the annular boss 3011; the annular step 30111 is at least provided with a plurality of first bosses 30112 arranged at first angular intervals and flush with the end faces of the annular bosses 3011; a plurality of first mounting holes 30113 are arranged on the first bosses 30112.
Specifically, the fan blades 10 of the novel fan 100 are mainly used for accelerating the flow of air in the air through the rotation of the fan blades 10, so as to realize functions of air ventilation, propulsion and the like. In a preferred embodiment provided by the present application, the fan blade 10 is provided with a wind-scooping surface to further increase wind pressure.
The motor driving assembly 20 connected with the fan blade 10 is mainly used for driving the fan blade 10 to rotate. The motor driving assembly 20 at least comprises a motor driving shaft 201 connected with the novel fan 100 blade 10 and used for driving the novel fan 100 blade 10 to rotate, and other parts for realizing the rotation of the motor driving shaft 201. For example, the motor drive assembly 2011 further includes a stator, a pcb 202, and other components for implementing a motor drive function.
The fan blade shell 30 connected with the motor driving component 20 is mainly used for preventing other objects from influencing the normal work of the fan blade 10 when the fan blade 10 of the novel fan 100 works. In a preferred embodiment provided by the present application, the sleeve portion 301 enclosing the fan blade 10 and the motor driving assembly 20 is used for preventing other objects from affecting the normal operation of the fan blade 10 when the fan blade 10 of the novel fan 100 is in operation. One end of the inner side wall of the sleeve portion 301 is connected to a wind guide blade assembly 302 connected to the motor drive assembly 20, and the wind guide blade assembly 302 is mainly used for rectifying the air blown out by the wind blades 10. The air at the air outlet of the fan is ensured to be uniform, and the air pressure is consistent.
Two ends of the outer side wall of the sleeve portion 301 are respectively provided with an annular boss 3011 extending towards the normal direction of the outer side wall of the sleeve. The annular boss 3011 is mainly used to provide a mounting position for the fan to be mounted on other devices in need. In a preferred embodiment provided by the present application, the annular boss 3011 at the end of the outer side wall of the sleeve portion 301 away from the inner side wall of the sleeve portion 301, where the end of the air guide vane assembly 302 is connected to the end of the inner side wall of the sleeve portion 301, is provided with a plurality of annular steps 30111 lower than the end face of the annular boss 3011, and the step air inlet can convert laminar flow of the air inlet into turbulent flow, reduce noise, and increase air inflow. Meanwhile, the annular step 30111 is at least provided with a plurality of first bosses 30112 arranged at first angular intervals and flush with the end faces of the annular bosses 3011; a plurality of first mounting holes 30113 are arranged on the first bosses 30112. It can be understood that the annular step 30111 may be provided with a plurality of bosses arranged at intervals of 55.5 ° and flush with the end face of the annular boss 3011; and a plurality of mounting holes are formed in the bosses. The annular step 30111 may also have several bosses set up at 60 intervals, flush with the end face of the said annular boss 3011; and a plurality of mounting holes are formed in the bosses. The annular step 30111 may also have several bosses that are arranged at 90 ° intervals and are flush with the end face of the annular boss 3011; and a plurality of mounting holes are formed in the bosses. That is, the annular step 30111 may be provided with bosses spaced at various angles, and the bosses spaced at different angles are provided with mounting holes for mounting holes.
Further, in a preferred embodiment provided in the present application, the annular step 30111 is further provided with a second boss 30114 located between the mounting holes and flush with the end face of the annular boss 3011. The boss is provided mainly in consideration of facilitating ejection of the mold. It will be appreciated that by providing the second boss 30114, no pin footprint is available for ejection of the mold.
In a preferred embodiment of the present invention, the annular boss 3011 of the end of the air guide vane assembly 302, which is adjacent to the inner wall of the sleeve portion 301 on the outer wall of the sleeve portion 301, is further provided with a second mounting hole 3021 corresponding to the position of the first mounting hole 30113.
It is understood that the second mounting holes 3021 are provided mainly in consideration of the fact that the novel blower 100 can be mounted only through the first mounting holes 30113, and can also be mounted through the first mounting holes 30113 and the second mounting holes 3021 corresponding to the positions of the first mounting holes 30113.
Further, in a preferred embodiment provided in the present application, a lead-out wire port 303 connected to the air guide blade of the air guide blade assembly 302 is further provided on an outer side wall of the sleeve portion 301. It will be appreciated that the outlet 303 is primarily used to provide electrical power to the motor drive assembly 20 by passing electrical wires through the outlet 303. It should also be pointed out that, the position of casing outlet 303 still designs the screw hole 3031 of a ground connection double-screw bolt, the benefit of design here is that can be close to outlet 303 as far as, makes things convenient for the customer ground connection, and many fans have designed the opposite side at the casing, then need a very long line to bypass the casing to go the wiring, increased the risk in the time of unsightly, the design of this application casing can be grounded back and lead-out wire parcel or twine into a set of pencil, no unnecessary wiring.
Further, in a preferred embodiment provided by the present application, the outer side wall of the sleeve portion 301 is further provided with a plurality of transverse ribs 304 arranged along the circumferential direction of the sleeve and spaced apart from each other by a predetermined distance.
Specifically, the outer side wall of the sleeve portion 301 is provided with a plurality of transverse reinforcing ribs 304 arranged along the circumferential direction of the sleeve at predetermined intervals, so that the casing can be prevented from being deformed into an elliptical shape due to stress in the circumferential direction, and normal operation of the fan blade 10 is influenced.
Further, in a preferred embodiment provided by the present application, the outer side wall of the sleeve portion 301 is further provided with a plurality of longitudinal ribs 305 arranged along the axial direction of the sleeve at predetermined angular intervals. Specifically, the longitudinal ribs 305 are also considered to prevent the axial deformation of the housing.
Further, in a preferred embodiment provided by the present application, the inner wall surface of the sleeve portion 301 is provided with a predetermined draft angle along the axial direction of the sleeve portion 301.
Specifically, the wall surface of the inner side wall of the sleeve portion 301 is provided with a predetermined draft angle along the axial direction of the sleeve portion 301, which is mainly used for matching with a wind guide blade, so that gas can be compressed, and wind pressure is increased. In a preferred embodiment provided herein, the predetermined draft angle is 1 °. In a preferred embodiment provided by the present application, the wall surface of the inner side wall of the sleeve portion 301 is a draft angle of 1 ° from the fan blade to the fan blade assembly along the axial direction of the sleeve portion 301.
Through the novel fan 100 that this application provided, the change of compatible multiple specification fan simultaneously, and can provide the better fan of performance. For example, the design of the wind guide vanes and the fan blades 10 improves the performance and the wind pressure of the fan, so that higher blowing-through performance is obtained; step air inlet is adopted, the air inlet amount of the fan is increased, and noise is reduced; the ground wire binding post has reasonable design and is convenient to install.
The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.
Claims (7)
1. A novel fan comprises fan blades, a motor driving component connected with the fan blades, and a fan blade casing connected with the motor driving component, and is characterized in that the fan blade casing comprises a sleeve part enclosing the fan blades and the motor driving component, and one end of the inner side wall of the sleeve part is connected with an air guide blade component connected with the motor driving component; two ends of the outer side wall of the sleeve part are respectively provided with an annular boss extending towards the normal direction of the outer side wall of the sleeve part; the annular boss at one end of the air guide blade assembly, which is connected with the outer side wall of the sleeve part far away from the inner side wall of the sleeve part, is provided with a plurality of annular stepped steps lower than the end face of the annular boss; the annular step is at least provided with a plurality of first bosses which are arranged at intervals at a first angle and are flush with the end surfaces of the annular bosses; a plurality of first mounting holes are formed in the first bosses.
2. The novel fan as claimed in claim 1, wherein the annular stepped step is further provided with a second boss which is located between the mounting holes and is flush with the end face of the annular boss.
3. The novel fan as claimed in claim 1, wherein the annular boss of the end of the wind guide vane assembly where the outer side wall of the sleeve portion is adjacent to the inner side wall of the sleeve portion is further provided with a second mounting hole corresponding to the first mounting hole.
4. The fan as claimed in claim 1, wherein an outlet connected to the wind guide blade of the wind guide blade assembly is further provided on an outer side wall of the sleeve portion.
5. The novel fan as claimed in claim 1, wherein the outer side wall of the sleeve portion is further provided with a plurality of transverse ribs arranged along the circumferential direction of the sleeve portion at predetermined intervals.
6. The novel fan as claimed in claim 1, wherein the outer side wall of the sleeve portion is further provided with a plurality of longitudinal ribs arranged along the axial direction of the sleeve at predetermined intervals.
7. The novel blower according to claim 1, wherein the inner wall surface of the sleeve portion is provided with a predetermined draft angle in an axial direction of the sleeve portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223042034.6U CN218780539U (en) | 2022-11-16 | 2022-11-16 | Novel fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223042034.6U CN218780539U (en) | 2022-11-16 | 2022-11-16 | Novel fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218780539U true CN218780539U (en) | 2023-03-31 |
Family
ID=85716331
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223042034.6U Active CN218780539U (en) | 2022-11-16 | 2022-11-16 | Novel fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218780539U (en) |
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2022
- 2022-11-16 CN CN202223042034.6U patent/CN218780539U/en active Active
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