CN214118513U - Multi-wing centrifugal fan - Google Patents
Multi-wing centrifugal fan Download PDFInfo
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- CN214118513U CN214118513U CN202022754743.1U CN202022754743U CN214118513U CN 214118513 U CN214118513 U CN 214118513U CN 202022754743 U CN202022754743 U CN 202022754743U CN 214118513 U CN214118513 U CN 214118513U
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Abstract
The utility model relates to the technical field of multi-wing centrifugal fans, in particular to a multi-wing centrifugal fan, which comprises a base mechanism, a rotary damping device, a centrifugal fan, an air induction port and a protective cover, wherein the rotary damping device is arranged on the base mechanism, the centrifugal fan is arranged on the rotary damping device, the air induction port is arranged on the centrifugal fan, and the protective cover is sleeved on the air induction port; the vibrations that centrifugal fan produced transmit board two on through the mount pad, board two extrudees the spring under the effect of vibrations power, the bounce-back of spring subdues the vibrations power, make the vibrations power can't transmit board two, thereby avoid the noise because of vibrations produce, secondly when the angle of needs adjustment centrifugal fan, rotate the carousel, the carousel passes through the guide pillar and makes the pinion rotate, the pinion drives the gear wheel rotation, the gear wheel passes through the transmission shaft and makes board one rotate, thereby it is rotatory to realize centrifugal fan, make things convenient for workman's use.
Description
Technical Field
The utility model relates to a multiple wing formula centrifugal fan technical field specifically is a multiple wing formula centrifugal fan.
Background
The ventilator is a driven fluid machine, the exhaust pressure is lower than 1.5 x 10^4 Pa, and the modern ventilator is widely used for ventilation, dust exhaust and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings, ventilation and induced air of boilers and industrial kilns, cooling and ventilation in air conditioning equipment and household electrical equipment, drying and sorting of grains, air source of wind tunnel and inflation and propulsion of air cushion ships and the like.
When the existing multi-wing centrifugal ventilator is used, 1. because gas enters an impeller through the axial direction, the fan blades of the existing multi-wing centrifugal ventilator are easily damaged when the ventilator is used outdoors; 2. when the multi-wing centrifugal ventilator is used outdoors, because the multi-wing centrifugal ventilator is too heavy, the multi-wing centrifugal ventilator needs to rotate at an angle frequently, and the operation of workers is very inconvenient; 3. the utility model provides a multi-wing formula centrifugal fan is big at during operation output, leads to multi-wing formula centrifugal fan vibrations and ground to produce the collision, arouses the noise, for this reason, the utility model provides a multi-wing formula centrifugal fan is used for solving above-mentioned problem.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a multi-wing formula centrifugal fan to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a multi-wing centrifugal fan comprises a base mechanism, a rotary damping device, a centrifugal fan, an air induction port and a protective cover, wherein the rotary damping device is arranged on the base mechanism, the centrifugal fan is arranged on the rotary damping device, the air induction port is arranged on the centrifugal fan, and the protective cover is sleeved on the air induction port;
the base mechanism comprises a bottom plate, four groups of brake universal wheels are symmetrically arranged at the lower end of the bottom plate, and a handle is arranged on one side of the upper end of the bottom plate.
Preferably, the rotary damping device comprises a rotary mechanism, a damping mechanism is arranged at the upper end of the rotary mechanism, a mounting seat is arranged at the upper end of the damping mechanism, a centrifugal fan is arranged on the mounting seat, and the rotary mechanism is connected with an adjusting mechanism.
Preferably, the protection casing includes the protection casing frame, and in the induced air mouth was embedded to protection casing frame one side, set up the protection network in the protection casing frame, protection casing frame opposite side equant angle set up four groups of through-holes, set up the bolt in the through-hole.
Preferably, the rotating mechanism comprises a transmission shaft, one end of the transmission shaft is provided with a bearing, the bearing is embedded into the bottom plate, one end of the transmission shaft penetrates through the bearing to be connected with a large gear, and the large gear is connected with a meshing small gear.
Preferably, the damping mechanism comprises a first plate, a first connecting plate is arranged at the other end of the transmission shaft, a plurality of sliding rods are symmetrically arranged on two sides of the upper end of the first plate, springs are sleeved on the sliding rods, two groups of vertical bearings are arranged at two ends of the sliding rods, one group of vertical bearings are embedded into the first plate, the other group of vertical bearings are embedded into a second plate, and the second plate is connected with the mounting seat.
Preferably, the adjusting mechanism comprises a guide pillar, one end of the guide pillar is connected with the pinion, the other end of the guide pillar is provided with a bearing, the bearing is embedded into the fixed plate, the other end of the guide pillar penetrates through the bearing and the turntable, a support bolt is arranged on one side of the turntable, and the support bolt is in threaded connection with the fixed plate.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the brake universal wheels are pulleys for rolling and braking, and through setting four groups of brake universal wheels, workers can move the centrifugal fan more conveniently;
2. the vibrations that centrifugal fan produced transmit board two on through the mount pad, board two extrudees the spring under the effect of vibrations power, the bounce-back of spring subdues the vibrations power, make the vibrations power can't transmit board two, thereby avoid the noise because of vibrations produce, secondly when the angle of needs adjustment centrifugal fan, rotate the carousel, the carousel passes through the guide pillar and makes the pinion rotate, the pinion drives the gear wheel rotation, the gear wheel passes through the transmission shaft and makes board one rotate, thereby it is rotatory to realize centrifugal fan, make things convenient for workman's use.
Drawings
FIG. 1 is a front view of the structure of the present invention;
FIG. 2 is a top view of the present invention;
fig. 3 is a combination diagram of the transmission shaft and the first plate of the present invention.
In the figure: the device comprises a base mechanism 1, a rotary damping device 2, a centrifugal fan 3, an air inducing port 4, a protective cover 5, a handle 101, a base plate 102, a brake universal wheel 103, a rotating mechanism 201, a damping mechanism 202, a mounting seat 203, an adjusting mechanism 204, a protective cover frame 501, bolts 502, a protective screen 503, a 2011 transmission shaft, a 2012 big gear, a 2013 pinion, a 2021 plate I, a 2022 spring, a 2023 sliding rod, a 2024 plate II, a 2041 fixing plate, a 2042 support bolt, a 2043 guide column and a 2044 turntable.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only 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.
Referring to fig. 1 to 3, the present invention provides a technical solution: a multi-wing centrifugal fan comprises a base mechanism 1, a rotary damping device 2, a centrifugal fan 3, an air induction port 4 and a protective cover 5, wherein the rotary damping device 2 is arranged on the base mechanism 1, the centrifugal fan 3 is arranged on the rotary damping device 2, the air induction port 4 is arranged on the centrifugal fan 3, the protective cover 5 is sleeved on the air induction port 4, the base mechanism 1 comprises a bottom plate 102, four groups of brake universal wheels 103 are symmetrically arranged at the lower end of the bottom plate 102, a handle 101 is arranged at one side of the upper end of the bottom plate 102, the protective cover 5 comprises a protective cover frame 501, one side of the protective cover frame 501 is embedded into the air induction port 4, a protective net 503 is arranged in the protective cover frame 501, four groups of through holes are arranged at the same angle at the other side of the protective cover frame 501, bolts 502 are arranged in the through holes, the brake universal wheels 103 are pulleys for rolling and braking, and through the setting of the four groups of brake universal wheels 103, workers can move the centrifugal fan 3 more conveniently, the protective net 503 is mainly woven by steel wires, when the centrifugal fan 3 works, large and hard objects are prevented from entering the centrifugal fan 3 through the induced draft opening 4 to cause damage to the impeller, the impeller of the centrifugal fan 3 is protected, abrasion of the impeller is reduced, and the service life of the impeller is prolonged;
further, the rotary damping device 2 comprises a rotating mechanism 201, a damping mechanism 202 is arranged at the upper end of the rotating mechanism 201, a mounting seat 203 is arranged at the upper end of the damping mechanism 202, a centrifugal fan 3 is arranged on the mounting seat 203, the rotating mechanism 201 is connected with an adjusting mechanism 204, the rotating mechanism 201 comprises a transmission shaft 2011, a bearing is arranged at one end of the transmission shaft 2011, the bearing is embedded in the bottom plate 102, one end of the transmission shaft 2011 penetrates through the bearing to be connected with a gearwheel 2012, the gearwheel 2012 is connected with a meshing pinion 2013, the damping mechanism 202 comprises a first plate 2021, the other end of the transmission shaft 2011 is connected with the first plate 2021, a plurality of sliding rods 2023 are symmetrically arranged at two sides of the upper end of the first plate 2021, springs 2022 are sleeved on the sliding rods 2023, two groups of vertical bearings are arranged at two ends of the sliding rods 2023, one group of vertical bearings is embedded in the first plate 2021, the other group of vertical bearings is embedded in a second plate 2024, the second plate 2024 is connected with the mounting seat 203, the adjusting mechanism 204 comprises a guide pillar 2043, one end of the guide pillar 2043 is connected with the pinion 2013, the other end of the guide post 2043 is provided with a bearing, the bearing is embedded into the fixed plate 2041, the other end of the guide post 2043 penetrates through the bearing and is connected with the turntable 2044, one side of the turntable 2044 is provided with a support bolt 2042, the support bolt 2042 is in threaded connection with the fixed plate 2041, a rubber pad is arranged between the plate II 2024 and the mounting seat 203, the rubber pad is soft, the connection between the plate II 2024 and the mounting seat 203 is firmer, and the damping effect is achieved, when the centrifugal fan 3 works, vibration generated by the centrifugal fan 3 is transmitted to the plate II 2024 through the mounting seat 203, the plate II 2024 extrudes the spring 2022 under the action of the vibration force, the rebound force of the spring 2022 reduces the vibration force, the vibration force cannot be transmitted to the plate II 2024, so that noise generated by vibration is avoided, and when the angle of the centrifugal fan 3 needs to be adjusted, the turntable 2044 is rotated, the pinion 2013 rotates the pinion 2013, the pinion 2013 drives the bull gear 2012 to rotate, the bull gear 2012 passes through the transmission shaft 2011 and makes board 2021 rotate to realize that centrifugal fan 3 is rotatory, make things convenient for workman's use, centrifugal fan 3 adjusts the back, and is fixed pinion 2013 through support bolt 2042, prevents that 3 angles of centrifugal fan from taking place the skew.
The working principle is as follows: in the using process, when the centrifugal fan 3 works, the vibration generated by the centrifugal fan 3 is transmitted to the second plate 2024 through the mounting base 203, the second plate 2024 extrudes the spring 2022 under the action of the vibration force, the rebound force of the spring 2022 reduces the vibration force, so that the vibration force cannot be transmitted to the second plate 2024, and the noise generated due to the vibration is avoided.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a multi-wing formula centrifugal fan, includes base mechanism (1), rotatory damping device (2), centrifugal fan (3), induced air mouth (4), protection casing (5), its characterized in that: a rotary damping device (2) is arranged on the base mechanism (1), a centrifugal fan (3) is arranged on the rotary damping device (2), an air induction port (4) is arranged on the centrifugal fan (3), and a protective cover (5) is sleeved on the air induction port (4);
the base mechanism (1) comprises a bottom plate (102), four groups of brake universal wheels (103) are symmetrically arranged at the lower end of the bottom plate (102), and a handle (101) is arranged on one side of the upper end of the bottom plate (102).
2. The multiple-wing centrifugal fan of claim 1, wherein: rotatory damping device (2) include rotary mechanism (201), rotary mechanism (201) upper end sets up damper (202), damper (202) upper end sets up mount pad (203), set up centrifugal fan (3) on mount pad (203), rotary mechanism (201) connection adjustment mechanism (204).
3. The multiple-wing centrifugal fan of claim 1, wherein: the protection casing (5) include protection casing frame (501), in protection casing frame (501) one side embedding induced air mouth (4), set up protection network (503) in protection casing frame (501), protection casing frame (501) opposite side is the angle such as the angle sets up four groups of through-holes, set up bolt (502) in the through-hole.
4. A multiple-wing centrifugal fan according to claim 2, wherein: rotary mechanism (201) includes transmission shaft (2011), transmission shaft (2011) one end sets up the bearing, bearing embedding bottom plate (102), transmission shaft (2011) one end is passed the bearing and is connected with gear wheel (2012), meshing pinion (2013) is connected to gear wheel (2012).
5. The multiple-wing centrifugal fan of claim 4, wherein: the damping mechanism (202) comprises a first plate (2021), a first connecting plate (2021) is arranged at the other end of the transmission shaft (2011), a plurality of sliding rods (2023) are symmetrically arranged on two sides of the upper end of the first plate (2021), a spring (2022) is sleeved on each sliding rod (2023), two groups of vertical bearings are arranged at two ends of each sliding rod (2023), one group of vertical bearings are embedded into the first plate (2021), the other group of vertical bearings are embedded into a second plate (2024), and the second plate (2024) is connected with the mounting base (203).
6. A multiple-wing centrifugal fan according to claim 2, wherein: the adjusting mechanism (204) comprises a guide pillar (2043), one end of the guide pillar (2043) is connected with a pinion (2013), the other end of the guide pillar (2043) is provided with a bearing, the bearing is embedded into a fixed plate (2041), the other end of the guide pillar (2043) penetrates through the bearing and a turntable (2044), one side of the turntable (2044) is provided with a support bolt (2042), and the support bolt (2042) is in threaded connection with the fixed plate (2041).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022754743.1U CN214118513U (en) | 2020-11-25 | 2020-11-25 | Multi-wing centrifugal fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022754743.1U CN214118513U (en) | 2020-11-25 | 2020-11-25 | Multi-wing centrifugal fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214118513U true CN214118513U (en) | 2021-09-03 |
Family
ID=77506636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022754743.1U Active CN214118513U (en) | 2020-11-25 | 2020-11-25 | Multi-wing centrifugal fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214118513U (en) |
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2020
- 2020-11-25 CN CN202022754743.1U patent/CN214118513U/en active Active
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