CN216554612U - Air inlet channel of vertical axial flow fan - Google Patents
Air inlet channel of vertical axial flow fan Download PDFInfo
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- CN216554612U CN216554612U CN202220003622.XU CN202220003622U CN216554612U CN 216554612 U CN216554612 U CN 216554612U CN 202220003622 U CN202220003622 U CN 202220003622U CN 216554612 U CN216554612 U CN 216554612U
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Abstract
The utility model discloses an air inlet channel of a vertical axial flow fan, which comprises a fan, a first air channel and a second air channel, wherein a damping structure is arranged at the upper part of the fan, a connecting structure is arranged between the first air channel and the second air channel, the connecting structure comprises a first clamping groove, a second clamping groove, a limiting ring, a limiting groove, a connecting hoop, a first clamping ring and a second clamping ring, and the first clamping groove is formed in the outer surface of the first air channel. The air inlet channel of the vertical axial flow fan solves the problem that the traditional fan and the air inlet channel are easy to generate co-vibration, avoids the co-vibration phenomenon of the fan, the first air channel and the second air channel, effectively reduces the loosening phenomenon of the mounting piece and the connecting piece, reduces noise, improves the convenience of assembling the air inlet channel, is more accurate and rapid in positioning, improves the mounting efficiency, and increases the sealing property between the first air channel and the second air channel.
Description
Technical Field
The utility model relates to the field of air inlet channels, in particular to an air inlet channel of a vertical axial flow fan.
Background
The vertical axial flow fan is one of ventilators, mainly comprises a shell, a motor and fan blades, wherein the fan blades rotate at a high speed under the driving of the motor, can generate wind power and play a role in indoor ventilation, and the fan needs to be matched with an air inlet channel to induce wind during ventilation;
firstly, the air inlet channel of the existing vertical axial flow fan does not have a damping function, and the air inlet channel can vibrate along with the working driving of the fan and generates a co-vibration phenomenon with the vibration of the fan, so that the phenomenon that the mounting part and the connecting part of the air inlet channel fall off is easily caused, and larger noise is generated; secondly, the inconvenient installation of the inlet air duct of current rectilinear axial fan, need form through a plurality of wind channels because of inlet air duct, and need connect between every wind channel, traditional connected mode all connects with the mode of flange through the bolt, in the installation, needs a plurality of bolts of installation to also inconvenient location, the leakproofness is also relatively poor simultaneously.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide an air inlet channel of a vertical axial flow fan, which can effectively solve the problems in the background art that: the air inlet channel of the existing vertical axial flow fan does not have a damping function, and the air inlet channel can generate vibration due to the working driving of the fan and generate a phenomenon of co-vibration with the vibration of the fan, so that the phenomenon of falling off of an installation part and a connecting piece of the air inlet channel is easily caused, and larger noise can be generated; secondly, the inconvenient installation of the inlet air duct of current rectilinear axial fan, need form through a plurality of wind channels because of inlet air duct, and need connect between every wind channel, traditional connected mode all connects with the mode of flange through the bolt, in the installation, needs to install a plurality of bolts to also inconvenient location, the leakproofness is also relatively poor technical problem simultaneously.
In order to achieve the purpose, the utility model adopts the technical scheme that:
the air inlet channel of the vertical axial flow fan comprises a fan, a first air channel and a second air channel, wherein a damping structure is arranged on the upper portion of the fan, and a connecting structure is arranged between the first air channel and the second air channel.
As a further scheme of the present invention, the connection structure includes a first clamping groove, a second clamping groove, a limiting ring, a limiting groove, a connection hoop, a first clamping ring and a second clamping ring, the first clamping groove is formed in an outer surface of the first air duct, the second clamping groove is formed in an outer surface of the second air duct, the limiting ring is installed at the bottom of the second air duct, the limiting groove is formed in an upper surface of the first air duct, and the first clamping ring and the second clamping ring are both installed inside the connection hoop.
As a further scheme of the present invention, the first snap ring and the second snap ring are respectively fitted and matched with the first snap groove and the second snap groove, and the limit ring is fitted and matched with the limit groove.
As a further scheme of the utility model, two ends of the connecting hoop are connected through bolts, and inner walls of the first clamping groove and the second clamping groove and the first clamping ring and the second clamping ring are in inclined plane shapes.
As a further scheme of the utility model, the damping structure comprises a soft connecting sleeve, a flange, a groove and a spring, the soft connecting sleeve is connected with the fan through the flange, the groove is formed in the inner wall of the soft connecting sleeve, and the spring is arranged inside the groove.
As a further scheme of the utility model, the number of the springs is eight, and the eight springs are arranged in an equidistant annular mode.
Compared with the prior art, the utility model has the following beneficial effects: according to the utility model, through the arrangement of the connecting structure, the first air channel is extruded towards one end of the fan in the installation process, so that the spring is contracted, and then the fan and the first air channel are fixed in position, so that the spring is always kept in an elastic expansion state;
through setting up connection structure, insert the spacing ring in first wind channel with the second wind channel into the spacing inslot in first wind channel, fix a position first wind channel and second wind channel, then with the outside of connecting hoop cover at first wind channel and second wind channel junction, make first snap ring and second snap ring block respectively into first draw-in groove and second draw-in groove in, then pass through the bolt fastening with the both ends of connecting hoop, solve the inconvenient problem of connecting the installation of traditional inlet air duct, the effectual convenience that improves the inlet air duct equipment, fix a position also more accurately fast simultaneously, and the installation effectiveness is improved, and the leakproofness between first wind channel and the second wind channel has also been increased.
Drawings
FIG. 1 is a schematic view of the overall structure of an air inlet channel of a vertical axial flow fan according to the present invention;
FIG. 2 is a sectional view of the first duct and the second duct of the air inlet channel of the vertical axial flow fan and the connecting hoop;
FIG. 3 is a view showing the inner structure of the soft sleeve of the air inlet channel of the vertical axial flow fan according to the present invention.
In the figure: 1. a fan; 2. a first air duct; 3. a second air duct; 4. a shock-absorbing structure; 5. a connecting structure; 6. a first card slot; 7. a second card slot; 8. a limiting ring; 9. a limiting groove; 10. a connecting hoop; 11. a first snap ring; 12. a second snap ring; 13. a soft connecting sleeve; 14. a flange; 15. a groove; 16. a spring.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.
As shown in fig. 1-3, an air inlet channel of a vertical axial flow fan comprises a fan 1, a first air duct 2 and a second air duct 3, wherein a damping structure 4 is arranged at the upper part of the fan 1, and a connecting structure 5 is arranged between the first air duct 2 and the second air duct 3.
In this embodiment, in order to solve the problem that traditional inlet air duct is inconvenient to connect the installation, connection structure 5 has been set up, connection structure 5 is including first draw-in groove 6, second draw-in groove 7, spacing ring 8, spacing groove 9, connect hoop 10, first snap ring 11 and second snap ring 12, first draw-in groove 6 is seted up at the surface in first wind channel 2, second draw-in groove 7 is seted up at the surface in second wind channel 3, spacing ring 8 is installed in the bottom in second wind channel 3, spacing groove 9 is seted up at the upper surface in first wind channel 2, first snap ring 11 and second snap ring 12 are all installed in the inboard of connecting hoop 10, the effectual convenience that improves inlet air duct equipment, the location is also accurate more fast simultaneously, installation effectiveness is improved, and the leakproofness between first wind channel 2 and the second wind channel 3 has also been increased.
In addition, the first clamping ring 11 and the second clamping ring 12 are matched with the first clamping groove 6 and the second clamping groove 7 respectively, and the limiting ring 8 is matched with the limiting groove 9.
In this embodiment, the two ends of the connecting hoop 10 are connected by bolts, and the inner walls of the first clamping groove 6 and the second clamping groove 7, the first snap ring 11 and the second snap ring 12 are both inclined planes.
In this embodiment, in order to solve the problem that easily produces the shake altogether between traditional fan and the inlet air duct, shock-absorbing structure 4 has been set up, shock-absorbing structure 4 is including soft adapter sleeve 13, flange 14, recess 15 and spring 16, soft adapter sleeve 13 passes through flange 14 and is connected with fan 1, recess 15 sets up the inner wall at soft adapter sleeve 13, spring 16 installs the inside at recess 15, can effectively reduce the vibrations that fan 1 caused inlet air duct, avoid fan 1 and first wind channel 2 and second wind channel 3 to produce the shake phenomenon altogether, effectively reduce the installed part, the phenomenon that the pine takes off appears in the connecting piece, the while is the noise abatement.
Further, the number of the springs 16 is eight, and the eight springs 16 are arranged in an equidistant ring shape.
It should be noted that, the present invention is an air inlet channel of a vertical axial flow fan, when in use, the soft connecting sleeve 13 is connected with the fan 1 through the flange 14, then the soft connecting sleeve 13, the first air channel 2 and the second air channel 3 are all connected with each other through the connecting structure 5, when in operation, the limit ring 8 of the second air channel 3 is inserted into the limit groove 9 of the first air channel 2, the first air channel 2 and the second air channel 3 are positioned, then the connecting hoop 10 is sleeved outside the joint of the first air channel 2 and the second air channel 3, so that the first snap ring 11 and the second snap ring 12 are respectively clamped into the first snap groove 6 and the second snap groove 7, then the two ends of the connecting hoop 10 are fixed through bolts, that is the whole air inlet channel can be installed, during the installation process, the first air channel 2 is extruded towards one end of the fan 1, so that the spring 16 is contracted, and then the positions of the fan 1 and the first air channel 2 are fixed, the spring 16 is always kept in an elastic expansion state, the fan 1 generates wind power during working, air sequentially passes through the second air duct 3, the first air duct 2 and the soft connecting sleeve 13 to enter the fan 1, and in the process, the soft connecting sleeve 13 is matched with the spring 16 to effectively reduce the vibration of the fan 1 to the first air duct 2.
According to the utility model, by arranging the connecting structure 5, in the installation process, the first air duct 2 is extruded towards one end of the fan 1, so that the spring 16 is contracted, then the position of the fan 1 and the first air duct 2 is fixed, so that the spring 16 is always kept in an elastic expansion state, in the ventilation working process, the soft connecting sleeve 13 is matched with the spring 16, so that the vibration of the fan 1 to the first air duct 2 can be effectively reduced, the problem that the common vibration is easily generated between the traditional fan and an air inlet channel is solved, the common vibration phenomenon generated by the fan 1, the first air duct 2 and the second air duct 3 is avoided, the loosening phenomenon of the mounting parts and connecting parts is effectively reduced, and the noise is also reduced; through setting up connection structure 5, insert the spacing ring 8 of second wind channel 3 in the spacing groove 9 of first wind channel 2, fix a position first wind channel 2 and second wind channel 3, then overlap connection hoop 10 in the outside of first wind channel 2 and 3 junctions of second wind channel, make first snap ring 11 and second snap ring 12 block respectively into first draw-in groove 6 and second draw-in groove 7 in, then pass through the bolt fastening with the both ends of connection hoop 10, solve the inconvenient problem of connecting the installation of traditional inlet channel, the effectual convenience that improves the inlet channel equipment, it is also more accurate quick to fix a position simultaneously, and the installation effectiveness is improved, and the leakproofness between first wind channel 2 and the second wind channel 3 has also been increased.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a rectilinear axial fan's inlet air duct which characterized in that: the air-conditioning system is characterized by comprising a fan (1), a first air channel (2) and a second air channel (3), wherein a damping structure (4) is arranged on the upper portion of the fan (1), and a connecting structure (5) is arranged between the first air channel (2) and the second air channel (3).
2. The air intake duct of the vertical axial flow fan according to claim 1, wherein: connection structure (5) are including first draw-in groove (6), second draw-in groove (7), spacing ring (8), spacing groove (9), connection hoop (10), first snap ring (11) and second snap ring (12), the surface in first wind channel (2) is seted up in first draw-in groove (6), the surface in second wind channel (3) is seted up in second draw-in groove (7), the bottom in second wind channel (3) is installed in spacing ring (8), the upper surface in first wind channel (2) is seted up in spacing groove (9), the inboard at connection hoop (10) is all installed in first snap ring (11) and second snap ring (12).
3. The air intake duct of the vertical axial flow fan according to claim 2, wherein: the first clamping ring (11) and the second clamping ring (12) are matched with the first clamping groove (6) and the second clamping groove (7) respectively, and the limiting ring (8) is matched with the limiting groove (9) in a matching mode.
4. The air intake duct of the vertical axial flow fan according to claim 2, wherein: the two ends of the connecting hoop (10) are connected through bolts, and the inner walls of the first clamping groove (6) and the second clamping groove (7) and the first clamping ring (11) and the second clamping ring (12) are inclined planes.
5. The air intake duct of the vertical axial flow fan according to claim 1, wherein: shock-absorbing structure (4) are including soft nipple (13), flange (14), recess (15) and spring (16), soft nipple (13) are connected with fan (1) through flange (14), recess (15) set up the inner wall at soft nipple (13), the inside at recess (15) is installed in spring (16).
6. The air intake duct of the vertical axial flow fan according to claim 5, wherein: the number of the springs (16) is eight, and the eight springs (16) are arranged in an equidistant annular mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220003622.XU CN216554612U (en) | 2022-01-04 | 2022-01-04 | Air inlet channel of vertical axial flow fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220003622.XU CN216554612U (en) | 2022-01-04 | 2022-01-04 | Air inlet channel of vertical axial flow fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216554612U true CN216554612U (en) | 2022-05-17 |
Family
ID=81560685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220003622.XU Active CN216554612U (en) | 2022-01-04 | 2022-01-04 | Air inlet channel of vertical axial flow fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216554612U (en) |
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2022
- 2022-01-04 CN CN202220003622.XU patent/CN216554612U/en active Active
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