CN219733733U - High-efficiency fan - Google Patents
High-efficiency fan Download PDFInfo
- Publication number
- CN219733733U CN219733733U CN202321009254.0U CN202321009254U CN219733733U CN 219733733 U CN219733733 U CN 219733733U CN 202321009254 U CN202321009254 U CN 202321009254U CN 219733733 U CN219733733 U CN 219733733U
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- air
- shell
- fan
- heat dissipation
- air outlet
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- 230000017525 heat dissipation Effects 0.000 claims description 27
- 238000009434 installation Methods 0.000 claims description 26
- 230000008030 elimination Effects 0.000 claims description 20
- 238000003379 elimination reaction Methods 0.000 claims description 20
- 229920000742 Cotton Polymers 0.000 claims description 13
- 239000000428 dust Substances 0.000 claims description 10
- 238000009413 insulation Methods 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 8
- 230000000670 limiting effect Effects 0.000 claims description 6
- 230000030279 gene silencing Effects 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 6
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 230000033228 biological regulation Effects 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 238000004880 explosion Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010893 paper waste Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model relates to the field of fans, and particularly discloses a high-efficiency fan, which comprises a front shell and a rear shell, wherein an air outlet is formed after the front shell and the rear shell are assembled, a pressurizing part is arranged at the air outlet, the pressurizing part is in a convex structure, the minimum diameter of the pressurizing part is smaller than the diameter of the inner wall of the air outlet, the surface of the pressurizing part is in an arc-shaped surface, the increase of the air pressure at the outlet of the fan is realized by reducing the diameter of the air outlet, and the surface of the pressurizing part is in an arc-shaped structure, so that the air flowing effect at the position is better, and further, the efficiency of the fan is improved and the energy consumption is reduced.
Description
Technical Field
The utility model relates to the field of fan industry, in particular to a high-efficiency fan.
Background
The fan generally comprises a volute and a cover plate, the air duct is formed in the volute, the cover plate is buckled and connected to the volute, the air flow effect is poor, and the existing fan air flow outlet is not subjected to supercharging treatment, so that the air flow speed in the fan is low, and the efficiency is low.
Disclosure of Invention
The utility model aims to provide a high-efficiency fan, and aims to solve the problems of poor gas flow effect, low gas flow speed in the fan and low efficiency in the prior art.
In order to achieve the above purpose, the utility model provides a high-efficiency fan, which comprises a front shell and a rear shell, wherein the front shell comprises a machine shell part and a front cover plate part, the rear shell comprises a first installation section and a second installation section, an installation cavity is formed after the front cover plate part and the second installation section are assembled, an air duct is arranged in the installation cavity, the front cover plate part and the second installation section are both provided with a concave for forming the air duct, one side of the air duct is provided with an air outlet, the air outlet is provided with a supercharging part, the supercharging part is in a protruding structure, the minimum diameter of the supercharging part is smaller than the diameter of the inner wall of the air outlet, and the surface of the supercharging part is in an arc surface.
Preferably, the air channel is gradually widened along the direction of the impeller from the volute tongue of the air outlet, and the air inlet and the air outlet are mutually communicated through the air channel.
Preferably, the front shell is internally provided with a silencing assembly and an air quantity adjusting device, the silencing assembly is positioned in the shell part, the shell part is provided with an air inlet, and the air quantity adjusting device is positioned at the air inlet.
Preferably, a driving motor is arranged on the rear shell, the driving end of the driving motor is connected with an impeller in a linkage manner, the impeller is positioned in the mounting cavity, and a heat dissipation and insulation device is arranged between the driving motor and the impeller at intervals.
Preferably, the noise elimination subassembly includes dust screen, solid fixed ring, noise elimination cotton, gu fixed ring is located the noise elimination cotton, and the noise elimination cotton closely laminates with casing portion inner wall, and the dust screen is fixed in the one end towards front shroud portion on the casing portion, and the dust screen covers the air intake.
Preferably, the air quantity adjusting device comprises a mounting piece, a locking screw and a baffle plate, wherein the mounting piece is fixedly connected with the shell part, the locking screw and the baffle plate synchronously rotate, and a limiting piece is arranged on the baffle plate.
Preferably, the axes of the air inlet, the front cover plate part and the shell part are mutually overlapped, and the opening directions of the air inlet and the air outlet are mutually perpendicular.
Preferably, the heat dissipation and heat insulation device comprises a heat dissipation wind wheel and a sealing cover, the driving motor comprises a driving shaft and a motor end cover, the driving shaft sequentially penetrates through the motor end cover, the heat dissipation wind wheel, the sealing cover and the impeller, the heat dissipation wind wheel is connected with the driving shaft in a linkage manner, and the first installation section is provided with heat dissipation holes which correspond to the heat dissipation wind wheel.
Preferably, the front shell and the rear shell are both provided with mounting parts, the air outlet penetrates through the mounting parts, the opening of each mounting part is provided with a check valve device, the pressurizing part is positioned on one end of each mounting part, which faces the check valve device, and the minimum diameter of each pressurizing part is smaller than the diameter of the inner wall of each mounting part.
Preferably, the front shell and the rear shell are respectively formed integrally.
The high-efficiency fan provided by the utility model can enable the gas flowing effect in the fan to be better, further, the efficiency of the fan is improved, the energy consumption is reduced, the diameter of the outlet of the fan is reduced by the pressurizing part, the increase of the wind pressure at the outlet of the fan can be realized, further, the gas flowing speed at the outlet is increased, and the fan is more efficient.
Drawings
FIG. 1 is a schematic diagram of a high efficiency fan of the present utility model;
FIG. 2 is a schematic cross-sectional view of a high efficiency blower of the present utility model;
FIG. 3 is a schematic view of a partial explosion structure of a high efficiency fan according to the present utility model;
FIG. 4 is a schematic view of a partial explosion structure of a high efficiency fan according to the present utility model;
fig. 5 is a schematic view of a rear housing structure of a high-efficiency fan according to the present utility model.
Reference numerals illustrate: 1. a front shell; 11. a machine shell part; 111. an air inlet; 12. a front cover plate portion; 13. a sound damping assembly; 131. a dust screen; 132. a fixing ring; 133. noise elimination cotton; 14. an air volume adjusting device; 141. a mounting member; 142. locking a screw; 143. a baffle; 1431. a limiting piece; 2. a rear case; 21. a first mounting section; 211. a heat radiation hole; 22. a second mounting section; 23. a driving motor; 231. a drive shaft; 232. a motor end cover; 24. an impeller; 25. a heat dissipation and insulation device; 251. a heat dissipation wind wheel; 252. sealing cover; 3. a mounting cavity; 31. an air duct; 32. an air outlet; 321. a supercharging part; 4. a mounting part; 41. a check valve device.
Detailed Description
The present utility model will be described in detail with reference to specific examples.
In the present utility model, unless explicitly stated and limited otherwise, when terminology such as "disposed," "connected," or "connected" is intended to be interpreted broadly, such as, for example, a fixed connection, a removable connection, or an integral connection; may be directly connected or connected through one or more intermediaries. The specific meaning of the terms described above in the present utility model can be understood by those skilled in the art according to the specific circumstances. The direction words appearing in the utility model are used for better explaining the characteristics of the features and the relation among the features, and it is understood that when the arrangement direction of the utility model is changed, the characteristics of the features and the directions of the relation among the features are correspondingly changed, so that the direction words do not form absolute limiting effect on the characteristics of the features and the relation among the features in space, and only play a role in relative limiting.
Referring to fig. 1-5, the present utility model provides a technical solution for a high-efficiency fan: including preceding shell 1, backshell 2, preceding shell 1 includes machine shell portion 11, preceding apron portion 12, backshell 2 includes first installation section 21, second installation section 22, be formed with installation cavity 3 after preceding apron portion 12 is assembled with second installation section 22, be provided with wind channel 31 in the installation cavity 3, preceding apron portion 12, second installation section 22 all are provided with the recess that is used for forming wind channel 31, wind channel 31 one side is provided with air outlet 32, air outlet 32 department is provided with booster 321, booster 321 sets up to protruding structure, booster 321's minimum diameter is less than the diameter of air outlet 32 inner wall, and booster 321 surface sets up to the arcwall face.
Through above-mentioned technical scheme, can make the gas flow effect in this fan better, further for this fan efficiency improves, the power consumption reduces, and booster 321 makes the exit diameter of this fan reduce, can realize the increase of this fan exit wind pressure, further, makes the gas flow speed of exit increase, makes this fan more high-efficient.
In this embodiment, the air duct 31 gradually widens from the volute tongue of the air outlet 32 along the direction of the impeller 24, and the air inlet 111 and the air outlet 32 are mutually communicated through the air duct 31, so that friction loss and turbine loss in the fan can be reduced, noise generated by the fan can be reduced, and the efficiency of the fan can be improved.
In this embodiment, be provided with noise elimination subassembly 13, air regulation device 14 in the preceding shell 1, noise elimination subassembly 13 is located casing portion 11, casing portion 11 is provided with air intake 111, air regulation device 14 is located air intake 111 department, noise elimination subassembly 13 can be used to reduce the noise that produces when this fan starts, air can enter into casing portion 11 at first, partial noise is adsorbed by noise elimination subassembly 13, air regulation device 14 can be used to adjust the intake of air intake 111, further, can make the practicality of this fan stronger.
In this embodiment, the noise elimination subassembly 13 includes dust screen 131, solid fixed ring 132, noise elimination cotton 133, gu fixed ring 132 is located noise elimination cotton 133, the partial noise of this fan during operation is adsorbed by noise elimination cotton 133, gu fixed ring 132 can guarantee noise elimination cotton 133 and install the fixity at the casing portion 11 inner wall, make noise elimination cotton 133 and casing portion 11 inner wall closely laminate, and can effectively prevent that noise elimination cotton 133 drops when this fan starts, preferably, dust screen 131 is fixed in the one end towards front shroud portion 12 on the casing portion 11, and dust screen 131 covers air intake 111, can effectively prevent that leaf, wastepaper etc. from getting into this fan, and then avoid causing this fan to damage.
In this embodiment, air volume adjusting device 14 includes mounting 141, locking screw 142, baffle 143, mounting 141 and casing portion 11 fixed connection, locking screw 142 and baffle 143 synchronous rotation are provided with locating part 1431 on the baffle 143, preferably, mounting 141 sets up to annular structure, and mounting 141 is fixed in casing portion 11 inner wall, locking screw 142 and mounting 141 threaded connection can drive baffle 143 synchronous rotation through rotating locking screw 142 for baffle 143 covers gradually or keeps away from air intake 111, and then realizes the regulation of air intake 111 department, convenient to use is nimble, the practicality is stronger, and locating part 1431 sets up to the arc structure that laminates each other with casing portion 11, stability when can guarantee that baffle 143 covers on air intake 111.
In this embodiment, the axes of the air inlet 111, the front cover plate 12 and the casing 11 are mutually overlapped, and the opening directions of the air inlet 111 and the air outlet 32 are mutually perpendicular, so that the air flow in the fan is more uniform, and the flow effect is better.
In this embodiment, be provided with driving motor 23 on the backshell 2, driving motor 23 is located first installation section 21, driving motor 23's drive end linkage is connected with impeller 24, impeller 24 is located installation cavity 3, the interval is provided with heat dissipation heat insulation device 25 between driving motor 23 and the impeller 24, driving motor 23 drives impeller 24 and rotates, realize the interior gas flow of this fan, guarantee the practicality of this fan, heat dissipation heat insulation device 25 can dispel the heat to driving motor 23 towards impeller 24 one end, and the heat that produces when can effectively avoiding driving motor 23 to use influences the flow of gas in this fan.
In this embodiment, the heat dissipation and insulation device 25 includes a heat dissipation wind wheel 251 and a sealing cover 252, the driving motor 23 includes a driving shaft 231, a motor end cover 232, the driving shaft 231 sequentially penetrates through the motor end cover 232, the heat dissipation wind wheel 251, the sealing cover 252 and the impeller 24, the heat dissipation wind wheel 251 is connected with the driving shaft 231 in a linkage manner, the first installation section 21 is provided with a heat dissipation hole 211, the heat dissipation hole 211 corresponds to the heat dissipation wind wheel 251 mutually, the driving motor 23 drives the heat dissipation wind wheel 251 to rotate during operation, heat dissipation of the driving motor 23 is achieved, the sealing cover 252 separates the first installation section 21 from the second installation section 22, and further, heat generated during operation of the driving motor 23 can be effectively prevented from being transferred to the second installation section 22, and further, the flow of gas is affected.
In this embodiment, the front shell 1 and the rear shell 2 are both provided with the mounting portion 4, the air outlet 32 penetrates through the mounting portion 4, the opening of the mounting portion 4 is provided with the check valve device 41, the pressurizing portion 321 is located at one end of the mounting portion 4 facing the check valve device 41, the minimum diameter of the pressurizing portion 321 is smaller than the diameter of the inner wall of the mounting portion 4, preferably, the check valve device 41 is a detachable check valve, and the backflow of air at the outlet can be blocked in time.
In this embodiment, the front shell 1 and the rear shell 2 are respectively formed integrally, preferably, the front shell 1 and the rear shell 2 are respectively formed by PP injection molding, so that the production speed is high, the weight is light, the chemical stability is good, and the acid resistance and corrosion resistance can be improved.
The above-described embodiments and features of the embodiments may be combined with each other without conflict.
Finally, it should be noted that the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the scope of the present utility model, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made to the technical solution of the present utility model without departing from the spirit and scope of the technical solution of the present utility model.
Claims (10)
1. The utility model provides a high-efficient fan, includes preceding shell, backshell, its characterized in that: the front shell comprises a machine shell part and a front cover plate part, the rear shell comprises a first installation section and a second installation section, an installation cavity is formed after the front cover plate part is assembled with the second installation section, an air duct is arranged in the installation cavity, the front cover plate part and the second installation section are both provided with a recess for forming the air duct, one side of the air duct is provided with an air outlet, the air outlet is provided with a supercharging part, the supercharging part is arranged into a protruding structure, the minimum diameter of the supercharging part is smaller than the diameter of the inner wall of the air outlet, and the surface of the supercharging part is arranged into an arc-shaped surface.
2. The high efficiency fan of claim 1, wherein: the air channel is gradually widened along the direction of the impeller from the volute tongue of the air outlet, and the air inlet and the air outlet are mutually communicated through the air channel.
3. The high efficiency fan of claim 1, wherein: the front shell is internally provided with a silencing assembly and an air quantity adjusting device, the silencing assembly is positioned in the shell part, the shell part is provided with an air inlet, and the air quantity adjusting device is positioned at the air inlet.
4. The high efficiency fan of claim 1, wherein: the rear shell is provided with a driving motor, the driving end of the driving motor is connected with an impeller in a linkage way, the impeller is positioned in the mounting cavity, and a heat dissipation and insulation device is arranged between the driving motor and the impeller at intervals.
5. A high efficiency fan as set forth in claim 3 wherein: the noise elimination subassembly includes dust screen, solid fixed ring, noise elimination cotton, and gu fixed ring is located the noise elimination cotton, and the noise elimination cotton closely laminates with casing portion inner wall, and the dust screen is fixed in the one end towards the front shroud portion on the casing portion, and the dust screen covers the air intake.
6. A high efficiency fan as set forth in claim 3 wherein: the air quantity adjusting device comprises a mounting piece, a locking screw and a baffle plate, wherein the mounting piece is fixedly connected with the machine shell part, the locking screw and the baffle plate synchronously rotate, and a limiting piece is arranged on the baffle plate.
7. A high efficiency fan as set forth in claim 3 wherein: the axes of the air inlet, the front cover plate part and the shell part are mutually overlapped, and the opening directions of the air inlet and the air outlet are mutually perpendicular.
8. The high efficiency fan of claim 4, wherein: the heat dissipation and heat insulation device comprises a heat dissipation wind wheel and a sealing cover, wherein the driving motor comprises a driving shaft and a motor end cover, the driving shaft sequentially penetrates through the motor end cover, the heat dissipation wind wheel, the sealing cover and the impeller, the heat dissipation wind wheel is connected with the driving shaft in a linkage manner, and the first installation section is provided with heat dissipation holes which correspond to the heat dissipation wind wheel.
9. The high efficiency fan of claim 1, wherein: the front shell and the rear shell are respectively provided with a mounting part, the air outlet penetrates through the mounting parts, the opening of each mounting part is provided with a check valve device, the pressurizing part is positioned at one end of each mounting part, which faces the check valve device, and the minimum diameter of each pressurizing part is smaller than the diameter of the inner wall of each mounting part.
10. The high efficiency fan of claim 1, wherein: the front shell and the rear shell are respectively and integrally formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321009254.0U CN219733733U (en) | 2023-04-28 | 2023-04-28 | High-efficiency fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321009254.0U CN219733733U (en) | 2023-04-28 | 2023-04-28 | High-efficiency fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219733733U true CN219733733U (en) | 2023-09-22 |
Family
ID=88026229
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321009254.0U Active CN219733733U (en) | 2023-04-28 | 2023-04-28 | High-efficiency fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219733733U (en) |
-
2023
- 2023-04-28 CN CN202321009254.0U patent/CN219733733U/en active Active
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