CN221096900U - Low-noise energy-saving axial flow fan - Google Patents
Low-noise energy-saving axial flow fan Download PDFInfo
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- CN221096900U CN221096900U CN202322910944.XU CN202322910944U CN221096900U CN 221096900 U CN221096900 U CN 221096900U CN 202322910944 U CN202322910944 U CN 202322910944U CN 221096900 U CN221096900 U CN 221096900U
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- 230000005540 biological transmission Effects 0.000 claims abstract description 17
- 230000001681 protective effect Effects 0.000 claims abstract description 6
- 230000030279 gene silencing Effects 0.000 claims description 15
- 229920000742 Cotton Polymers 0.000 claims description 4
- 239000000428 dust Substances 0.000 claims description 3
- 238000000926 separation method Methods 0.000 abstract description 5
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 230000002401 inhibitory effect Effects 0.000 abstract 1
- 230000007547 defect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 241000883990 Flabellum Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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Abstract
The utility model belongs to the technical field of axial flow fans, in particular to a low-noise energy-saving axial flow fan, aiming at the general problems of troublesome disassembly and structural stability in the prior art, the utility model provides a scheme which comprises an air duct, wherein the outer wall of the top of the air duct is fixedly connected with a driving motor through bolts, a fan shaft is arranged in the air duct, a transmission assembly is arranged between the output shaft of the driving motor and a fan shaft connecting rod, and a protective cover plate is arranged on the inner wall of the top of the air duct. The fan blade on the fan shaft is a transmission component for transmission, the service life of the transmission component can be prolonged by virtue of the protection cover plate, and the driving motor is arranged outside the air duct, so that the fan is novel in structure, convenient to detach and maintain, reasonable in integral structure, and capable of inhibiting boundary separation of the end wall due to the adoption of a curved and swept combined structure of the fan shaft, the conical connector and the fan blade in the fan blade, so that secondary air flow loss is reduced, air quantity is improved under the condition of ensuring pressure rise, and the structure is more stable.
Description
Technical Field
The utility model relates to the technical field of axial flow fans, in particular to a low-noise energy-saving axial flow fan.
Background
The axial flow fan is an air flow in the same direction as the axis of the fan blade, such as an electric fan, and the fan of the air conditioner external unit is an axial flow running fan. This is called "axial flow" because the gas flows parallel to the fan axis. Axial fans are commonly used in applications where flow requirements are high and pressure requirements are low. The axial flow fan fixes the position and moves the air. The axial flow fan mainly comprises a fan impeller and a shell, has a simple structure, has very high data requirements and is very wide in application range.
Through searching, patent (application number: 201920078049.7) discloses a low-noise axial flow fan which can effectively reduce noise and also improve ventilation effect, but the device has the following defects in actual operation:
Firstly, the motor is used as main driving equipment of the axial flow fan and is directly arranged in the shell, and once the maintenance is needed, the motor is very troublesome to disassemble because of smaller space in the fan, so that the maintenance is not facilitated.
In addition, although the whole structure of the fan can embody a certain noise reduction effect, the structure of the fan blade part belongs to conventional arrangement in design, and the stability of the structure is general.
Disclosure of utility model
Aiming at the defects of the prior art, the utility model provides the low-noise energy-saving axial flow fan, which overcomes the defects of the prior art and effectively solves the problems of troublesome disassembly and general structural stability.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
The low-noise energy-saving axial flow fan comprises an air duct, wherein the outer wall of the top of the air duct is fixedly connected with a driving motor through bolts, a fan shaft is arranged inside the air duct, a transmission assembly is arranged between an output shaft of the driving motor and a fan shaft connecting rod, a protection cover plate is arranged on the inner wall of the top of the air duct, and the transmission assembly is arranged inside the protection cover plate;
the fan is characterized in that conical connectors distributed at equal intervals are welded on the side wall of the fan shaft, and fan blades are fixedly connected to the inner wall of the conical connector through bolts.
Preferably, the outer wall of one side of the air cylinder is provided with a silencing cylinder, and the inner wall of the silencing cylinder is connected with silencing cotton.
Preferably, the outer wall of the other side of the air cylinder is fixedly connected with a connecting frame through bolts, and a dustproof net is arranged between the connecting frame and the air cylinder.
Preferably, the outer wall of the top of the air duct is welded with symmetrically distributed hanging rings.
Preferably, the side wall of the air duct is fixedly connected with a supporting frame through bolts, and universal wheels which are symmetrically distributed are installed on the outer wall of the bottom of the supporting frame.
Preferably, the transmission assembly comprises symmetrically distributed pulleys and a belt mounted between the two pulleys.
Preferably, the photovoltaic board is installed to amortization section of thick bamboo top outer wall, and the battery has been placed to the support frame outer wall, and the photovoltaic board is connected with the dc-to-ac converter through the wire, the dc-to-ac converter pass through the wire with the battery is connected.
The beneficial effects of the utility model are as follows:
1. The fan blade on the fan shaft is a transmission component for transmission, and the service life of the transmission component can be prolonged by virtue of the protection cover plate;
2. The low-noise energy-saving axial flow fan of the design is reasonable in overall structure, fan shafts, conical connectors and fan blades in fan blades adopt a curved and swept combined structure, and boundary separation of end walls can be restrained, so that secondary air flow loss is reduced, air quantity is improved under the condition of ensuring pressure rise, and the structure is more stable.
Drawings
FIG. 1 is a front view of the overall structure of a low-noise energy-saving axial flow fan according to the present utility model;
FIG. 2 is a front view showing the overall structure of a low-noise energy-saving axial flow fan according to the present utility model;
FIG. 3 is a schematic diagram showing the partial structure separation of a low-noise energy-saving axial flow fan according to the present utility model;
fig. 4 is a schematic diagram of a cone connector and fan blade connection structure of a low-noise energy-saving axial flow fan according to the present utility model.
In the figure: 1. an air duct; 2. a driving motor; 3. a transmission assembly; 4. a fan shaft; 5. a protective cover plate; 6. a conical connector; 7. a fan blade; 8. a sound deadening cylinder; 9. a connecting frame; 10. a dust screen; 11. hanging rings; 12. a support frame; 13. a universal wheel; 14. a photovoltaic panel; 15. and a storage battery.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
1-4, A low noise energy-saving axial fan, including dryer 1, dryer 1 top outer wall is through bolt fixedly connected with driving motor 2, and the inside fan axle 4 that is provided with of dryer 1 installs drive assembly 3 between driving motor 2 output shaft and the fan axle 4 connecting rod, and protective cover plate 5 is installed to dryer 1 top inner wall, and drive assembly 3 sets up the inside at protective cover plate 5.
In this embodiment, the fan blade 7 on the fan shaft 4 is the transmission component 3 for transmission, and the service life of the transmission component 3 can be prolonged by virtue of the protection cover plate 5, and the driving motor 2 is arranged outside the air duct 1, so that the structure is novel, the disassembly is convenient, and the maintenance is convenient.
In the second embodiment, referring to fig. 4, in the low-noise energy-saving axial flow fan, conical connectors 6 distributed equidistantly are welded on the side wall of a fan shaft 4, and fan blades 7 are fixedly connected to the inner wall of the conical connectors 6 through bolts.
In this embodiment, overall structure is reasonable, and fan axle 4, cone connection head 6 and flabellum 7 among the fan blade adopt curved sweep integrated configuration, can restrain the separation of end wall boundary to reduce secondary air flow loss, promote the amount of wind under the assurance pressure rise demand, the structure is more stable.
Referring to fig. 3, a silencing barrel 8 is mounted on the outer wall of one side of the air barrel 1, and silencing cotton is connected to the inner wall of the silencing barrel 8.
Referring to fig. 3, the outer wall of the other side of the air duct 1 is fixedly connected with a connecting frame 9 through bolts, and a dust screen 10 is installed between the connecting frame 9 and the air duct 1.
Referring to fig. 1, a symmetrically distributed hanging ring 11 is welded on the outer wall of the top of the air duct 1.
Referring to fig. 1, a support frame 12 is fixedly connected to the side wall of the air duct 1 through bolts, and symmetrically distributed universal wheels 13 are mounted on the outer wall of the bottom of the support frame 12.
Referring to fig. 4, the transmission assembly 3 includes symmetrically distributed pulleys and a belt installed between the two pulleys.
Referring to fig. 2, a photovoltaic panel 14 is mounted on the outer wall of the top of the silencing pot 8, a storage battery 15 is placed on the outer wall of the supporting frame 12, the photovoltaic panel 14 is connected with an inverter through a wire, and the inverter is connected with the storage battery 15 through a wire.
Working principle: when the axial flow fan works, as the output shaft of the driving motor 2 rotates, the fan blades 7 on the fan shaft 4 rotate along with the transmission assembly 3, and as the fan shaft 4, the conical connector 6 and the fan blades 7 in the fan blades adopt a curved and swept combined structure, boundary separation of end walls can be restrained so as to reduce secondary air flow loss, the silencing barrel 8 is arranged on the fan, noise can be reduced by silencing cotton in the silencing barrel 8, the photovoltaic panel 14 on the silencing barrel 8 can convert light energy into electric energy, direct current is converted into alternating current through the inverter and stored in the storage battery 15, and the energy-saving effect is good.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (7)
1. The utility model provides a low noise energy-conserving axial fan, includes dryer (1), its characterized in that, dryer (1) top outer wall is through bolt fixedly connected with driving motor (2), and dryer (1) inside is provided with fan axle (4), install drive assembly (3) between driving motor (2) output shaft and fan axle (4) connecting rod, protective cover board (5) are installed to dryer (1) top inner wall, and drive assembly (3) set up in the inside of protective cover board (5);
The fan is characterized in that conical connectors (6) distributed at equal intervals are welded on the side wall of the fan shaft (4), and fan blades (7) are fixedly connected to the inner wall of the conical connectors (6) through bolts.
2. The low-noise energy-saving axial flow fan according to claim 1, wherein a silencing cylinder (8) is arranged on the outer wall of one side of the air cylinder (1), and silencing cotton is connected to the inner wall of the silencing cylinder (8).
3. The low-noise energy-saving axial flow fan according to claim 1, wherein the outer wall of the other side of the air cylinder (1) is fixedly connected with a connecting frame (9) through bolts, and a dust screen (10) is arranged between the connecting frame (9) and the air cylinder (1).
4. The low-noise energy-saving axial flow fan according to claim 1, wherein symmetrically distributed hanging rings (11) are welded on the outer wall of the top of the air duct (1).
5. The low-noise energy-saving axial flow fan according to claim 1, wherein the side wall of the air duct (1) is fixedly connected with a supporting frame (12) through bolts, and universal wheels (13) which are symmetrically distributed are arranged on the outer wall of the bottom of the supporting frame (12).
6. A low noise energy saving axial flow fan according to claim 1, characterized in that the transmission assembly (3) comprises symmetrically distributed pulleys and a belt mounted between the two pulleys.
7. The low-noise energy-saving axial flow fan according to claim 2, wherein a photovoltaic panel (14) is mounted on the outer wall of the top of the silencing barrel (8), a storage battery (15) is placed on the outer wall of the supporting frame (12), the photovoltaic panel (14) is connected with an inverter through a wire, and the inverter is connected with the storage battery (15) through a wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322910944.XU CN221096900U (en) | 2023-10-30 | 2023-10-30 | Low-noise energy-saving axial flow fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322910944.XU CN221096900U (en) | 2023-10-30 | 2023-10-30 | Low-noise energy-saving axial flow fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221096900U true CN221096900U (en) | 2024-06-07 |
Family
ID=91315633
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322910944.XU Active CN221096900U (en) | 2023-10-30 | 2023-10-30 | Low-noise energy-saving axial flow fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221096900U (en) |
-
2023
- 2023-10-30 CN CN202322910944.XU patent/CN221096900U/en active Active
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