CN215890543U - Vortex power frequency centrifugal fan - Google Patents
Vortex power frequency centrifugal fan Download PDFInfo
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- CN215890543U CN215890543U CN202122314667.7U CN202122314667U CN215890543U CN 215890543 U CN215890543 U CN 215890543U CN 202122314667 U CN202122314667 U CN 202122314667U CN 215890543 U CN215890543 U CN 215890543U
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- centrifugal fan
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Abstract
The utility model relates to the technical field of centrifugal fans, in particular to an eddy current type power frequency centrifugal fan, which comprises: a support plate; the buffer groove is formed in the supporting plate; the buffer plate is positioned in the buffer groove and is connected with the supporting plate through a spring; the fan assembly is positioned on the buffer plate; the vortex type power frequency centrifugal fan is novel in structure, is beneficial to improving the damping effect of the fan, can avoid blockage during working, further can avoid generating larger impact force and noise, prolongs the service life of equipment, and provides convenience for workers.
Description
Technical Field
The utility model relates to the technical field of centrifugal fans, in particular to an eddy current type power frequency centrifugal fan.
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. The centrifugal fan can be made into a right-handed type and a left-handed type. From the motor side elevation: the impeller rotates clockwise, and the fan is called a right rotating fan; the impeller rotates counterclockwise, called a left-turn fan.
The utility model discloses a power frequency centrifugal fan in the Chinese utility model with patent application number 202021817459.8, the existing vortex type power frequency centrifugal fan, in the process of using the fan, the damping spring is installed between the damping plate and the base, and the fan body is fixed on the damping plate through the column installation, so that the fan body has good damping effect, the use safety is convenient to be improved, and the lower support leg and the walking wheel are installed through the lower side of the fan body, the fan body is convenient to move, adjust and use, the transportation, carrying and use are convenient, but when the fan works, because the vibration amplitude of each part is different, the lateral force can be generated to the damping plate, thereby the blocking condition is generated, the damping effect of the fan is reduced, simultaneously, because the blocking occurs during the work, the impact can generate larger force and noise, even can influence the service life of the equipment, the use is very inconvenient, so, to above present situation, urgent need develop an eddy current type power frequency centrifugal fan to overcome the not enough in the current practical application.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an eddy current type power frequency centrifugal fan to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme:
an eddy current type power frequency centrifugal fan, comprising:
a support plate;
the buffer groove is formed in the supporting plate;
the buffer plate is positioned in the buffer groove and is connected with the supporting plate through a spring;
the fan assembly is positioned on the buffer plate; and
and the lateral buffer assembly is respectively connected with the supporting plate and the buffer plate and is used for absorbing the lateral acting force generated by the fan assembly on the buffer plate.
Compared with the prior art, the utility model has the beneficial effects that:
the whole equipment can be fixed in a designated area through the arranged supporting plate, the requirement in actual work can be met through the arranged fan assembly, when the fan assembly generates vibration in the working process, the vibration generated by the fan assembly can be absorbed through the buffer plate and the spring through the arranged spring, so that the influence on the work caused by overlarge vibration of the fan assembly can be avoided, and through the arranged lateral buffer assembly, the vertical and horizontal acting force or even the rotating acting force can be generated by the buffer plate due to different vibration generated at each part when the fan assembly works, when acting force is applied on the lateral buffer assembly, the acting force generated in the lateral direction can be absorbed, and because the lateral buffer assembly is circumferentially and uniformly distributed between the buffer plate and the supporting plate, the acting force generated in each direction can be absorbed, so that the shock absorption effect of the fan can be improved, and can avoid the during operation card to hinder, and then can avoid producing great impact and noise, prolonged the life of equipment, provide convenience for the staff, be worth promoting.
Drawings
Fig. 1 is a front sectional structural view of the whole of the present invention.
Fig. 2 is a schematic top sectional view of a portion of the support plate according to the present invention.
Fig. 3 is a perspective view of the telescopic rod portion of the present invention.
Fig. 4 is a perspective view of a portion of the cushioning sheet according to the present invention.
In the figure: 1-support plate, 2-buffer groove, 3-spring, 4-buffer plate, 5-telescopic rod, 6-oil chamber, 7-piston, 8-movable ball, 9-elastic bulge, 10-mounting plate, 11-movable groove, 12-bar-shaped air bag, 13-movable piece, 14-support rod, 15-placing plate, 16-driving motor, 17-transmission shaft, 18-air outlet, 19-fan shell and 20-air inlet.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Specific implementations of the present invention are described in detail below with reference to specific embodiments.
Referring to fig. 1, an embodiment of the present invention provides an eddy current type power frequency centrifugal fan, where the eddy current type power frequency centrifugal fan includes:
a support plate 1;
the buffer groove 2 is formed in the support plate 1;
the buffer plate 4 is positioned in the buffer groove 2, and the buffer plate 4 is connected with the support plate 1 through a spring 3;
the fan assembly is positioned on the buffer plate 4; and
and the lateral buffer assembly is respectively connected with the supporting plate 1 and the buffer plate 4 and is used for absorbing lateral acting force generated by the fan assembly on the buffer plate 4.
Through the arranged supporting plate 1, the whole equipment can be fixed in a designated area, and through the arranged fan assembly, the requirement in actual work can be met, when the fan assembly generates vibration in the working process, the vibration generated by the fan assembly can be absorbed through the buffer plate 4 and the spring 3 through the arranged spring 3, so that the influence on the work caused by overlarge vibration of the fan assembly can be avoided, and through the arranged lateral buffer assembly, the vibration generated at each part of the fan assembly in the working process is different, so that the buffer plate 4 can generate vertical and horizontal even rotating acting force, when acting on the lateral buffer assembly, the acting force generated in the lateral direction can be absorbed, and because the lateral buffer assembly is circumferentially and uniformly distributed between the buffer plate 4 and the supporting plate 1, the acting force generated in each direction can be absorbed, thereby being beneficial to improving the damping effect of the fan, and can avoid the during operation card to hinder, and then can avoid producing great impact and noise, prolonged the life of equipment, provide convenience for the staff, be worth promoting.
In one embodiment of the present invention, referring to fig. 1 and 2, the fan assembly includes:
the mounting plate 10, the mounting plate 10 locates on the said dash board 4;
the placing plate 15 is detachably connected with the mounting plate 10 through a support rod 14;
the driving motor 16 and the fan housing 19 are both positioned on the placing plate 15, and the output end of the driving motor 16 is connected with an impeller in the fan housing 19 through a transmission shaft 17; and
the air outlet 18 and the air inlet 20 are both arranged on the fan shell 19.
The driving motor 16 through setting up starts work, can drive transmission shaft 17 and rotate, and can drive the impeller of fan shell 19 in the fan shell 19 internal rotation, wherein, fan shell 19 can adopt the structure of snail shell form, thereby accessible air intake 20 sprays out through air outlet 18 behind with outside air pressurization, with the needs that satisfy in the actual work, and through the bracing piece 14 that sets up with place board 15, can be used to adjust the height of fan installation, the practicality and the flexibility of equipment have been improved.
In an embodiment of the present invention, referring to fig. 1 and 2, the placing plate 15 is a Z-shaped structure and is detachably connected to the bottom of the driving motor 16 and the bottom of the fan housing 19 by bolts, the opening direction of the air inlet 20 is the axial direction of the transmission shaft 17, the opening direction of the air outlet 18 is the radial direction of the transmission shaft 17, and the number of the supporting rods 14 is four.
In the installation of fan, because driving motor 16 and fan shell 19's diameter is different, through the difference of the height of two parts on the board 15 of placing that sets up, can be used for installing driving motor 16 and fan shell 19 respectively, thereby the steadiness of installation has been improved, and simultaneously, be connected through the bolt, so that the dismantlement and the installation of equipment, air intake 20 is seted up on the lateral wall of fan shell 19, and be linked together with the impeller in fan shell 19, so that outside air enters into in fan shell 19 from air intake 20 through the adsorption of impeller, after the pressurization at different levels, spout in air outlet 18 at last, in order to satisfy the needs of actual work.
In one embodiment of the present invention, referring to fig. 1-4, the lateral buffer assembly includes:
the oil cavities 6 are circumferentially and uniformly distributed on the support plate 1;
the piston 7 is in sealed sliding connection with the oil cavity 6;
the movable ball 8 is connected with the piston 7 through a telescopic rod 5; and
the movable groove 11, the movable groove 11 circumference evenly distributed in on the buffer board 4, just the movable groove 11 with activity ball 8 swing joint.
Through the arranged oil cavities 6, wherein the oil cavities 6 can adopt a cylindrical structure and are matched with the piston 7 to be slidably installed, one side of the piston 7 in the oil cavities 6 is filled with hydraulic oil, the number of the oil cavities 6 is a plurality, the oil cavities 6 are uniformly arranged on the supporting plate 1 so as to absorb acting force generated in all directions of the buffer plate 4, meanwhile, the other side of the piston 7 is provided with the telescopic rod 5, the piston 7 is movably connected with the telescopic rod 5, the telescopic rod 5 is movably connected with the movable groove 11 arranged on the side wall of the buffer plate 4 through the movable balls 8, the movable groove 11 adopts a spherical cavity form, as the outer diameter of the movable ball 8 is smaller than the inner diameter of the movable groove 11, the movable ball 8 can move in the movable groove 11 for a certain distance, and the number of the movable balls 8 is matched with the number of the telescopic rods 5 and the oil cavities 6, when irregular acting force is generated on the buffer plate 4, can promote partly movable ball 8 and make piston 7 move to the outside in oil pocket 6 through telescopic link 5, and stimulate another part movable ball 8 and make piston 7 move to the inboard in oil pocket 6 through telescopic link 5, because be sealed sliding connection's form between oil pocket 6 and the piston 7, 2 and be equipped with hydraulic oil in oil pocket 6, therefore can be absorbed the lateral force that produces on buffer board 4, and because movable ball 8 can move about certain scope in activity groove 11, and telescopic link 5 and piston 7 are swing joint's mode, therefore can avoid the condition of blocking, and the effort that can abundant absorption buffer board 4 side direction produced, thereby the absorbing effect of shock attenuation has been improved.
In an embodiment of the present invention, please refer to fig. 1, fig. 3 and fig. 4, which further includes: the elastic protrusions 9 are uniformly distributed on the movable ball 8, and the outer diameter of the movable ball 8 is smaller than the inner diameter of the movable groove 11;
at least one group of strip-shaped air bags 12, wherein the strip-shaped air bags 12 are positioned at the bottom of the buffer plate 4; and
a moving member 13, wherein the moving member 13 is connected with the supporting plate 1.
Through the elastic bulge 9, when the movable ball 8 moves in the movable groove 11, the buffering effect can be further improved, the occurrence of large impact is avoided, and through the strip-shaped air bags 12, when the acting force of the buffer plate 4 in the vertical direction is too large or the spring 3 is damaged, through the strip-shaped air bags 12, the number of the strip-shaped air bags 12 is preferably six, and the six strip-shaped air bags 12 are uniformly distributed at the bottom of the buffer plate 4, so that when the buffer plate 4 descends and displaces too large, the strip-shaped air bags 12 can be in contact with the support plate 1, the damping effect of the buffer plate 4 can be improved, wherein the spring 3 is uniformly distributed in the area between the adjacent strip-shaped air bags 12, the height of the strip-shaped air bags 12 is slightly smaller than the length of the spring 3, through the moving piece 13, wherein the moving piece 13 can adopt a form of matching of a support leg and an outward wheel, and the outward wheel is provided with a self-locking device, so as to facilitate braking and within the designated area when the whole device is moved.
It should be noted that, in the present invention, unless otherwise specifically stated or limited, the terms "sliding", "rotating", "fixing", "providing", and the like are to be understood in a broad sense, and may be, for example, a welded connection, a bolted connection, or an integral body; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. An eddy current type power frequency centrifugal fan, comprising:
a support plate;
the buffer groove is formed in the supporting plate;
the buffer plate is positioned in the buffer groove and is connected with the supporting plate through a spring;
the fan assembly is positioned on the buffer plate; and
and the lateral buffer assembly is respectively connected with the supporting plate and the buffer plate and is used for absorbing the lateral acting force generated by the fan assembly on the buffer plate.
2. The vortex power frequency centrifugal fan of claim 1, wherein the fan assembly comprises:
the mounting plate is positioned on the buffer plate;
the placing plate is detachably connected with the mounting plate through a support rod;
the driving motor and the fan shell are both positioned on the placing plate, and the output end of the driving motor is connected with an impeller in the fan shell through a transmission shaft; and
the air outlet and the air inlet are both arranged on the fan shell.
3. The vortex type power frequency centrifugal fan according to claim 2, wherein the placing plate is of a Z-shaped structure and is detachably connected to the bottom of the driving motor and the fan housing through bolts, the opening direction of the air inlet is the axial direction of the transmission shaft, the opening direction of the air outlet is the radial direction of the transmission shaft, and the number of the supporting rods is four.
4. The centrifugal fan of any one of claims 1-3, wherein the lateral buffer assembly comprises:
the oil cavities are circumferentially and uniformly distributed on the supporting plate;
the piston is in sealed sliding connection with the oil cavity;
the movable ball is connected with the piston through a telescopic rod; and
the movable grooves are circumferentially and uniformly distributed on the buffer plate and are movably connected with the movable balls.
5. The vortex power frequency centrifugal fan of claim 4, further comprising: the elastic bulges are uniformly distributed on the movable ball, and the outer diameter of the movable ball is smaller than the inner diameter of the movable groove;
at least one group of strip-shaped air bags, wherein the strip-shaped air bags are positioned at the bottom of the buffer plate; and
a moving member connected with the support plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122314667.7U CN215890543U (en) | 2021-09-24 | 2021-09-24 | Vortex power frequency centrifugal fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122314667.7U CN215890543U (en) | 2021-09-24 | 2021-09-24 | Vortex power frequency centrifugal fan |
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| Publication Number | Publication Date |
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| CN215890543U true CN215890543U (en) | 2022-02-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122314667.7U Active CN215890543U (en) | 2021-09-24 | 2021-09-24 | Vortex power frequency centrifugal fan |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116538152A (en) * | 2023-06-07 | 2023-08-04 | 东莞市海星和实业有限公司 | Blower fan |
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2021
- 2021-09-24 CN CN202122314667.7U patent/CN215890543U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116538152A (en) * | 2023-06-07 | 2023-08-04 | 东莞市海星和实业有限公司 | Blower fan |
| CN116538152B (en) * | 2023-06-07 | 2024-04-26 | 东莞市海星和实业有限公司 | Blower fan |
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