CN218207245U - Centrifugal fan with safeguard function - Google Patents
Centrifugal fan with safeguard function Download PDFInfo
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- CN218207245U CN218207245U CN202222250257.5U CN202222250257U CN218207245U CN 218207245 U CN218207245 U CN 218207245U CN 202222250257 U CN202222250257 U CN 202222250257U CN 218207245 U CN218207245 U CN 218207245U
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- centrifugal fan
- slide
- install
- shock attenuation
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Abstract
The utility model discloses a centrifugal fan with safeguard function, including centrifugal fan base, filtration ring, collar, centrifugal fan main part, shock attenuation landing leg and shock attenuation sleeve, install the fixed plate in the centrifugal fan main part, the last slide of having seted up of shock attenuation sleeve, sliding placement has the shock attenuation landing leg in the slide, the spring is installed on the top of shock attenuation landing leg, the other end of spring is installed on the top wall way of slide through the installation fixed plate, connect the landing leg is installed to shock attenuation landing leg's bottom, install the auxiliary block on the shock attenuation sleeve, be provided with the slide opening on the auxiliary block, slide opening and auxiliary rod sliding connection, be provided with the air intake in the centrifugal fan main part, air intake department installs the collar, the internal thread that sets up on the collar and the external thread engagement who crosses the setting on the filtration ring, install the filter screen on the filtration ring, the utility model discloses for the centrifugal fan main part has safeguard function, has improved the life of equipment.
Description
Technical Field
The utility model relates to a centrifugal fan technical field with safeguard function specifically is a centrifugal fan with safeguard function.
Background
The centrifugal fan is a driven fluid machine which increases the pressure of gas and discharges the gas by means of input mechanical energy. Centrifugal fans are widely used in ventilation, dust removal and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings; ventilation and draught of boilers and industrial furnaces; cooling and ventilation in air conditioning equipment and household appliances; drying and selecting grains; wind tunnel wind source and air cushion boat inflation and propulsion.
In multistage centrifugal fan, make the air current get into next impeller with the backward flow ware, produce higher pressure, at the in-process that centrifugal fan used, owing to do not have safeguard function, can not protect centrifugal fan for centrifugal fan's life reduces.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a centrifugal fan with safeguard function to solve the problem among the prior art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a centrifugal fan with safeguard function, includes the centrifugal fan base, crosses filter ring, collar, centrifugal fan main part, shock attenuation landing leg and shock attenuation sleeve, install the fixed plate in the centrifugal fan main part, install the shock attenuation sleeve on the fixed plate, the last slide of having seted up of shock attenuation sleeve, slidable placement has the shock attenuation landing leg in the slide, the spring is installed on the top of shock attenuation landing leg, the other end of spring is installed on the top wall way of slide through the installation fixed plate, the connection landing leg is installed to the bottom of shock attenuation landing leg, install the fixed block on the connection landing leg, install the auxiliary rod on the fixed block, install the auxiliary block on the shock attenuation sleeve, be provided with the slide opening on the auxiliary block, slide opening and auxiliary rod sliding connection, be provided with the air intake in the centrifugal fan main part, air intake department installs the collar, the internal thread that sets up on the collar meshes with the external screw that crosses the filter ring, install the filter screen on the collar.
Preferably, the bottom ends of the connecting legs are fixed on the mounting plate.
Preferably, the mounting plate is fixedly mounted on the centrifugal fan base.
Preferably, the shock absorption supporting legs are provided with wheel shaft rods, and one ends of the wheel shaft rods are provided with rollers.
Preferably, a track is arranged on the wall of the slideway, and the track is in sliding connection with the roller.
Preferably, the top end of the auxiliary rod is provided with a limiting ring, and the diameter of the limiting ring is larger than that of the sliding hole.
Preferably, a filter screen bracket is arranged on the filter ring.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses the centrifugal fan main part can produce vibrations at moving in-process, shock sleeve through the installation on the fixed plate, slide and shock attenuation landing leg sliding connection of seting up on the cooperation shock sleeve, when shock sleeve receives vibrations, shock attenuation sleeve and shock attenuation landing leg can slide and be close to, the spring of installation between cooperation shock attenuation landing leg top and the slide, make the spring receive the extrusion, the spring has the tension of resilience, can alleviate the vibrations power between shock attenuation landing leg and the shock attenuation sleeve, thereby start absorbing effect, protect centrifugal fan, the wearing and tearing that the vibrations produced have been avoided, through the collar of air intake department installation in the centrifugal fan main part, the internal thread that sets up on the cooperation collar and the external thread engagement who sets up on the collar, make the collar can be conveniently installed in air outlet department, the filter screen of installation on the cooperation collar, can avoid impurity to get into in the centrifugal fan main part, make the centrifugal fan main part have safeguard function, the life of equipment has been improved.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is the internal schematic view of the whole structure of the present invention.
Fig. 3 is a schematic view of the protection damping structure of the present invention.
In the figure: 1. a centrifugal fan base; 2. mounting a plate; 3. a fixing plate; 4. a filter ring; 5. a filter screen; 6. a screen support; 7. a mounting ring; 8. an air inlet; 9. a centrifugal fan main body; 10. connecting the supporting legs; 11. a shock-absorbing leg; 12. a slideway; 13. a roller; 14. a wheel axle shaft; 15. a track; 16. a shock-absorbing sleeve; 17. mounting a fixed plate; 18. a spring; 19. a limiting ring; 20. a slide hole; 21. an auxiliary block; 22. an auxiliary lever; 23. and (5) fixing blocks.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1, 2 and 3, in an embodiment of the present invention, a centrifugal fan with a protection function includes a centrifugal fan base 1, a filter ring 4, a mounting ring 7, a centrifugal fan main body 9, a shock-absorbing leg 11 and a shock-absorbing sleeve 16, wherein a fixing plate 3 is installed on the centrifugal fan main body 9, the shock-absorbing sleeve 16 is installed on the fixing plate 3, a slide 12 is opened on the shock-absorbing sleeve 16, the shock-absorbing leg 11 is slidably placed in the slide 12, a spring 18 is installed at the top end of the shock-absorbing leg 11, the other end of the spring 18 is installed on a top end wall of the slide 12 through the mounting fixing plate 17, a connecting leg 10 is installed at the bottom end of the shock-absorbing leg 11, a fixing block 23 is installed on the connecting leg 10, an auxiliary rod 22 is installed on the fixing block 23, an auxiliary block 21 is installed on the shock-absorbing sleeve 16, the auxiliary block 21 is provided with a slide hole 20, the slide hole 20 is connected with an auxiliary rod 22 in a sliding manner, the centrifugal fan main body 9 is provided with an air inlet 8, the air inlet 8 is provided with a mounting ring 7, an internal thread arranged on the mounting ring 7 is meshed with an external thread arranged on a filter ring 4, the filter ring 4 is provided with a filter screen 5, the centrifugal fan main body 9 can generate vibration in the operation process, the vibration is generated by matching the slide way 12 arranged on the damping sleeve 16 with the damping support leg 11 through the damping sleeve 16 arranged on the fixing plate 3, when the damping sleeve 16 is vibrated, the damping sleeve 16 and the damping support leg 11 can slide and approach, and the spring 18 arranged between the top end of the damping support leg 11 and the slide way 12 is matched, so that the spring 18 is extruded, the spring 18 has rebound tension, and the vibration force between the damping support leg 11 and the damping sleeve 16 can be relieved, thereby start absorbing effect, protected centrifugal fan, avoided the wearing and tearing that vibrations produced, through the collar 7 of 8 departments of air inlet installation on the centrifugal fan main part 9, the internal thread that sets up on the cooperation collar 7 meshes with the external screw thread that sets up on filtering ring 4, makes filtering ring 4 can conveniently install in 8 departments of air outlet, and the filter screen 5 of installation on the cooperation collar 4 can avoid impurity to get into in the centrifugal fan main part 9, makes centrifugal fan main part 9 have safeguard function, has improved the life of equipment, the bottom mounting of connecting landing leg 10 is on mounting panel 2, mounting panel 2 fixed mounting is on centrifugal fan base 1, install wheel axostylus axostyle 14 on the shock attenuation landing leg 11, gyro wheel 13 is installed to wheel axostylus axostyle 14 one end, track 15 has been seted up on the wall way of slide 12, track 15 and gyro wheel 13 sliding connection, spacing ring 19 and the diameter that the diameter is greater than slide opening 20 are installed on the top of auxiliary rod 22, filter screen support 6 is installed on the collar 4.
The utility model discloses a theory of operation is: centrifugal fan main part 9 can produce vibrations at the moving in-process, through the shock attenuation sleeve 16 of installation on fixed plate 3, slide 12 and the shock attenuation landing leg 11 sliding connection of seting up on the cooperation shock attenuation sleeve 16, when shock attenuation sleeve 16 receives vibrations, shock attenuation sleeve 16 can slide with shock attenuation landing leg 11 and be close to, the spring 18 of installation between cooperation shock attenuation landing leg 11 top and the slide 12, make spring 18 receive the extrusion, spring 18 has the tension of resilience, can alleviate the shaking force between shock attenuation landing leg 11 and the shock attenuation sleeve 16, thereby start absorbing effect, protect centrifugal fan, the wearing and tearing that the vibrations produced have been avoided, through the collar 7 of installation of last air inlet 8 department of centrifugal fan main part 9, the internal thread that sets up on the cooperation collar 7 meshes with the external screw thread that sets up on filtering ring 4, make filtering ring 4 can be convenient to install in air outlet 8 department, the filter screen 5 of installation on cooperation collar 4, can avoid impurity to get into in centrifugal fan main part 9, make centrifugal fan main part 9 have a safeguard function, the life of equipment has been improved.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a centrifugal fan with safeguard function, includes centrifugal fan base (1), crosses filter ring (4), collar (7), centrifugal fan main part (9), shock attenuation landing leg (11) and shock attenuation sleeve (16), its characterized in that: install fixed plate (3) on centrifugal fan main part (9), install damping sleeve (16) on fixed plate (3), slide (12) have been seted up on damping sleeve (16), sliding placement has damping leg (11) in slide (12), spring (18) are installed on the top of damping leg (11), the other end of spring (18) is installed on the top wall way of slide (12) through installation fixed plate (17), connect landing leg (10) are installed to the bottom of damping leg (11), install fixed block (23) on connecting landing leg (10), install auxiliary rod (22) on fixed block (23), install auxiliary block (21) on damping sleeve (16), be provided with on auxiliary block (21) slide opening (20), slide opening (20) and auxiliary rod (22) sliding connection, be provided with air intake (8) on centrifugal fan main part (9), install collar (7) in air intake (8) department, the internal thread that sets up on collar (7) meshes with the external screw thread that sets up on filtering ring (4), install filter screen (5) on filtering ring (4).
2. The centrifugal fan with the protection function according to claim 1, characterized in that: the bottom ends of the connecting supporting legs (10) are fixed on the mounting plate (2).
3. The centrifugal fan with the protection function according to claim 2, characterized in that: the mounting plate (2) is fixedly mounted on the centrifugal fan base (1).
4. The centrifugal fan with the protection function according to claim 1, characterized in that: an axle rod (14) is installed on the shock absorption supporting leg (11), and a roller (13) is installed at one end of the axle rod (14).
5. The centrifugal fan with the protection function according to claim 4, wherein: a track (15) is arranged on a wall channel of the slide way (12), and the track (15) is connected with the roller (13) in a sliding manner.
6. The centrifugal fan with the protection function according to claim 1, characterized in that: the top end of the auxiliary rod (22) is provided with a limiting ring (19) and the diameter of the limiting ring is larger than that of the sliding hole (20).
7. The centrifugal fan with the protection function according to claim 1, characterized in that: and a filter screen bracket (6) is arranged on the filter ring (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222250257.5U CN218207245U (en) | 2022-08-26 | 2022-08-26 | Centrifugal fan with safeguard function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222250257.5U CN218207245U (en) | 2022-08-26 | 2022-08-26 | Centrifugal fan with safeguard function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218207245U true CN218207245U (en) | 2023-01-03 |
Family
ID=84659654
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222250257.5U Active CN218207245U (en) | 2022-08-26 | 2022-08-26 | Centrifugal fan with safeguard function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218207245U (en) |
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2022
- 2022-08-26 CN CN202222250257.5U patent/CN218207245U/en active Active
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