CN214036166U

CN214036166U - Novel centrifugal fan

Info

Publication number: CN214036166U
Application number: CN202022541795.0U
Authority: CN
Inventors: 董飞; 白松; 王立军
Original assignee: Suzhou Flanders Environmental Protection Equipment Co ltd
Current assignee: Suzhou Flanders Environmental Protection Equipment Co ltd
Priority date: 2020-11-06
Filing date: 2020-11-06
Publication date: 2021-08-24
Anticipated expiration: 2030-11-06

Abstract

The utility model relates to a novel centrifugal fan, which comprises a shell, a main impeller and an auxiliary impeller which are rotationally arranged in the shell, and a driving mechanism which is used for driving the main impeller and the auxiliary impeller to rotate simultaneously so as to send out the wind entering the shell from different directions; the utility model has the advantages that the driving mechanism is arranged to drive the main impeller and the auxiliary impellers to work simultaneously to send out wind from different directions, and when the wind supplying device is used, only one centrifugal fan is needed to supply wind to a plurality of devices simultaneously, so that the electric energy consumption is reduced, and the wind supplying device is energy-saving and environment-friendly; and the use cost is reduced; meanwhile, one main impeller is matched with a plurality of auxiliary impellers to work simultaneously, and air entering the shell can be rapidly distributed and sent out, so that the energy consumption is reduced, and the working efficiency of the fan is improved.

Description

Novel centrifugal fan

Technical Field

The utility model belongs to the technical field of the fan air supply technique and specifically relates to a novel centrifugal fan is related to.

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 existing centrifugal fan is only provided with one air outlet, air supply to a plurality of directions can not be realized simultaneously, one matched centrifugal fan is needed for a plurality of devices when the centrifugal fan is used, the centrifugal fan is not only troublesome to use, but also has high electric energy consumption and high cost.

Therefore, there is a need to provide a new technical solution to overcome the above-mentioned drawbacks.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can effectively solve above-mentioned technical problem's centrifugal fan.

In order to achieve the purpose of the utility model, the following technical proposal is adopted:

a novel centrifugal fan, comprising:

a housing: the top of the air inlet is provided with an air inlet, and the peripheral wall of the air inlet is provided with at least one air outlet;

a main impeller: the air inlet is rotatably arranged at the air inlet of the shell;

an auxiliary impeller: the air outlets are rotatably arranged in the shell and correspond to the air outlets one by one;

and, a drive mechanism: the main impeller is arranged in the shell and is driven to rotate, so that the main impeller drives the auxiliary impeller to rotate simultaneously to send out the wind entering the shell from different directions.

Preferably, the drive mechanism includes:

main bevel gear: the main impeller is fixedly connected with a rotating shaft of the main impeller;

the driven bevel gear is meshed with the main bevel gear and is fixedly connected with a rotating shaft of the auxiliary impeller;

and, driving the motor: and the driving shaft of the impeller is fixedly connected with the rotating shaft of the main impeller.

Preferably, the casing includes the inlet air duct who is located its top, is located the reposition of redundant personnel chamber in its middle part and is located its bottom installation room, actuating mechanism set up in the installation room.

Preferably, the air inlet channel is trumpet-shaped, and the main impeller is positioned in the air inlet channel.

Preferably, the top and the bottom of the diversion cavity are both recessed towards the center thereof, so that the longitudinal section of the diversion cavity is butterfly-shaped, and the air inlet channel and the installation chamber are fixedly arranged in the recesses at the top and the bottom of the diversion cavity respectively.

Preferably, the dividing cavity is fixedly provided with a partition board, and an auxiliary impeller and an air outlet are arranged between every two adjacent partition boards so as to divide the air entering the shell and send the air out from different directions.

Preferably, cellular boards are fixedly arranged on two sides of the partition board.

Preferably, a connecting flange is fixedly arranged at each air outlet.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model has the advantages that the driving mechanism is arranged to drive the main impeller and the auxiliary impellers to work simultaneously to send out wind from different directions, and when the wind supplying device is used, only one centrifugal fan is needed to supply wind to a plurality of devices simultaneously, so that the electric energy consumption is reduced, and the wind supplying device is energy-saving and environment-friendly; and the use cost is reduced; meanwhile, one main impeller is matched with a plurality of auxiliary impellers to work simultaneously, and air entering the shell can be rapidly distributed and sent out, so that the energy consumption is reduced, and the working efficiency of the fan is improved.

2. The utility model discloses a set up the intake stack into loudspeaker form, can increase the through-flow area of wind behind the wind gets into the casing to reduce wind and to shells inner wall's impact force, not only can play the certain effect of making an uproar of falling, can protect the inner structure of fan moreover, prolong the life of fan.

3. The utility model discloses a set up the honeycomb panel on the baffle to the noise of centrifugal fan during operation has further been reduced.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below.

Fig. 1 is a schematic structural view of a novel centrifugal fan provided by the present invention;

fig. 2 is a front view of a novel centrifugal fan provided by the present invention;

FIG. 3 is a cross-sectional view taken along section B-B of FIG. 2;

FIG. 4 is a cross-sectional view taken along section C-C of FIG. 2;

fig. 5 is the internal structure schematic diagram of the novel centrifugal fan provided by the utility model.

Numerical description in the figures:

1. a housing; 11. an air outlet; 12. an air inlet channel; 13. a shunting cavity; 14. an installation chamber;

2. a main impeller; 3. a secondary impeller;

4. a drive mechanism; 41. a main bevel gear; 42. a driven bevel gear; 43. a drive motor;

5. a support frame; 6. a fixed mount; 7. a partition plate; 8. a honeycomb panel; 9. and connecting the flanges.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, a clear and complete description will be given below with reference to the technical solutions of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "lateral", "longitudinal", "front", "rear", "left", "right", "up", "down", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the scope of the invention. When an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

The following will make clear and complete description of the novel centrifugal fan of the present invention with reference to the accompanying drawings.

As shown in fig. 1 to 5, the utility model provides a novel centrifugal fan, including casing 1, pivoted set up in main impeller 2, auxiliary impeller 3 and be used for the drive in the casing 1 main impeller 2 with auxiliary impeller 3 rotates simultaneously in order to get into actuating mechanism 4 that wind in the casing 1 sent out from different directions.

Wherein the air intake has been seted up at the top of casing 1, has seted up at least one air outlet 11 on its perisporium, just the welding of air intake department of casing 1 has a support frame 5, the rotation axis top of main impeller 2 is rotated and is connected the middle part of support frame 5, support frame 5 is right main impeller 2 plays the effect of stabilizing the support, in order to guarantee main impeller 2 is stability under operating condition, avoids it to rock and influences its life.

The auxiliary impeller 3 is arranged at the air outlet 11 of the shell 1 and corresponds to the air outlet 11 in number one to one, so that air entering the shell 1 is divided, and the air is discharged from different air outlets 11. Specifically, every 11 departments of air outlet all weld a mount 6, the rotation axis of 3 bottoms of auxiliary impeller is connected the middle part of mount 6, mount 6 is right auxiliary impeller 3 plays the effect of stabilizing the support, in order to guarantee auxiliary impeller 3 is stability under operating condition avoids it to rock and influences its life.

The driving mechanism 4 comprises a main bevel gear 41, a driven bevel gear 42 and a driving motor 43; wherein the main bevel gear 41 is fixedly connected with a rotating shaft at the bottom of the main impeller 2; the driven bevel gears 42 are fixedly connected with a rotating shaft at the top of the auxiliary impeller 3 and are meshed with the main bevel gear 41, and the number of the driven bevel gears 42 corresponds to the number of the auxiliary impellers 3 one by one. The driving motor 43 is installed at the bottom of the casing 1, and the end of the driving shaft is fixedly connected with the rotating shaft at the bottom of the main impeller 2.

When the wind-driven generator is used, the driving motor 43 drives the main impeller 2 to rotate so as to introduce wind into the shell 1, the main impeller 2 rotates and simultaneously drives the main bevel gear 41 to rotate, so that the driven bevel gear 42 is driven to rotate, and the auxiliary impeller 3 is driven to rotate so as to shunt the wind introduced into the shell 1 and send the wind out from different directions.

The utility model has the advantages that the driving mechanism 4 is arranged to drive the main impeller 2 and the auxiliary impellers 3 to work simultaneously to send out wind from different directions, and when in use, only one centrifugal fan is needed to supply wind to a plurality of devices simultaneously, thereby reducing the electric energy consumption, saving energy and protecting environment; and the use cost is reduced; meanwhile, one main impeller 2 is matched with a plurality of auxiliary impellers 3 to work simultaneously, and the air entering the shell 1 can be rapidly divided and sent out, so that the energy consumption is reduced, and the working efficiency of the fan is improved.

Specifically, in this embodiment, the housing 1 includes an air inlet channel 12 at the top, a flow dividing cavity 13 at the middle, and a mounting chamber 14 at the bottom.

The air inlet channel 12 is in a horn shape, the air inlet is positioned at the top of the air inlet channel, and the main impeller 2 is positioned inside the air inlet channel. Through setting up inlet air channel 12 to loudspeaker form, can increase the through-flow area of wind behind the wind gets into casing 1 to reduce the impact force of wind to casing 1 inner wall, not only can play certain effect of making an uproar of falling, can protect the inner structure of fan moreover, prolong the life of fan.

The top and the bottom of the distributing cavity 13 are both sunken towards the direction close to the center of the distributing cavity, so that the longitudinal section of the distributing cavity 13 is butterfly-shaped, the gas flow surface can be enlarged, the gas discharge amount is increased, and the working efficiency is improved. The air inlet channel 12 and the mounting chamber 14 are welded in the depressions at the top and the bottom of the diversion cavity 13, respectively.

The installation chamber 14 is used for accommodating the driving mechanism 4 and preventing dust from entering the driving mechanism 4, so that the driving mechanism 4 is protected and the service life of the driving mechanism is prolonged.

Specifically, in this embodiment, a partition plate 7 is further provided, the partition plate 7 is welded in the diversion cavity 13, and an auxiliary impeller 3 and an air outlet 11 are respectively provided between every two adjacent partition plates 7. The arrangement of the partition plate 7 ensures that the auxiliary impellers 3 are mutually independent and do not influence each other in the working process, thereby realizing uniform air supply.

In addition, the honeycomb plates 8 are fixed on two sides of the partition plate 7, so that the noise generated during the operation of the fan can be further reduced.

Specifically, in this embodiment, still be equipped with flange 9, every flange 9 is all welded in air outlet 11 department, is convenient for connect external equipment.

The working principle is as follows:

when the centrifugal fan is used, the connecting flange 9 is used for connecting the centrifugal fan and external equipment, then the driving motor 43 is started to drive the main impeller 2 to rotate so as to introduce wind into the shell 1, the main impeller 2 rotates and simultaneously drives the main bevel gear 41 to rotate, so that the driven bevel gear 42 is driven to rotate, and then the auxiliary impeller 3 is driven to rotate so as to split the wind introduced into the shell 1 and send the wind into the external equipment from different directions.

The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connected mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt among the prior art, and conventional model, including the conventional connected mode among the circuit connection adoption prior art, and the details are not repeated here, and the content that does not make detailed description in this description belongs to the prior art that skilled person in the art knows.

Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention.

Claims

1. The utility model provides a novel centrifugal fan which characterized in that: the method comprises the following steps:

2. The novel centrifugal fan according to claim 1, characterized in that: the drive mechanism includes:

3. The new centrifugal fan according to claim 1 or 2, characterized in that: the casing is including being located the inlet air channel at its top, being located the reposition of redundant personnel chamber in its middle part and being located the installation room of its bottom, actuating mechanism set up in the installation room.

4. The novel centrifugal fan according to claim 3, characterized in that: the air inlet channel is arranged in a horn shape, and the main impeller is positioned in the air inlet channel.

5. The novel centrifugal fan according to claim 4, characterized in that: the top and the bottom of the diversion cavity are both sunken towards the center of the diversion cavity, so that the longitudinal section of the diversion cavity is butterfly-shaped, and the air inlet channel and the mounting chamber are respectively and fixedly arranged in the sunken parts at the top and the bottom of the air inlet channel.

6. The novel centrifugal fan according to claim 5, characterized in that: the flow distribution cavity is fixedly provided with a partition board, and an auxiliary impeller and an air outlet are arranged between every two adjacent partition boards so as to distribute the air entering the shell and send the air out from different directions.

7. The novel centrifugal fan according to claim 6, characterized in that: cellular boards are fixedly arranged on two sides of the partition board.

8. The novel centrifugal fan of claim 7, wherein: and each air outlet is fixedly provided with a connecting flange.