CN217976667U - Energy-saving centrifugal fan - Google Patents

Abstract

The utility model discloses an energy-saving centrifugal fan belongs to the centrifuge field, and its technical scheme main points include the centrifugal fan body, and the centrifugal fan body includes air-out casing and the motor of fixed mounting on air-out casing right side, and the left end fixedly connected with air inlet shell of air-out casing, the inside right side fixedly connected with fixed disk of air-out casing, the other end of drive shaft from the right side to a left side run through air-out casing and fixed disk in proper order and extend to the left end of fixed disk. The drive shaft rotates, it is rotatory to drive a plurality of centrifugal blades and rotary sleeve, and when a plurality of oblique blades are rotatory, with between filter sleeve and the rotary sleeve in the external wind rotary transmission, the wind that gets into passes through the filtration of filter sleeve, flow to inside the air-out casing, and centrifugal blade rotates, conveying wind-force flows out from between a plurality of water conservancy diversion leaves, oblique blade is rotatory, play and cut apart the effect, make the leakage resistance increase, reduce gas leakage loss, reduce the consumption and the manufacturing cost of the energy.

Description

Energy-saving centrifugal fan

Technical Field

The utility model relates to a centrifuge field, in particular to energy-saving 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; ventilating and air inducing of boilers and industrial kilns; 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.

However, in the existing centrifuge, because the air inlet is communicated with the inner cavity of the shell, when the motor drives the fan blades to transmit wind power to the air outlet, if the transmitted wind power cannot be discharged from the air outlet in time, the wind power easily flows out from the air inlet, so that resource waste is caused.

Disclosure of Invention

The utility model discloses to above problem, provide an energy-saving centrifugal fan solves above-mentioned wasting of resources's problem.

The utility model discloses a realize like this, an energy-saving centrifugal fan, including the centrifugal fan body, the centrifugal fan body includes air-out casing and the motor of fixed mounting on air-out casing right side, the left end fixedly connected with air inlet shell of air-out casing, the inside right side fixedly connected with fixed disk of air-out casing. The output fixedly connected with drive shaft of motor, the other end of drive shaft from the right side to left side runs through air-out casing and fixed disk in proper order and extends to the left end of fixed disk, a plurality of centrifugal blades of lateral wall fixedly connected with of drive shaft, a plurality of and fixed disk left end fixed connection's water conservancy diversion leaf are provided with to the lateral wall of a plurality of centrifugal blades. The inside wall fixedly connected with of air inlet shell crosses the filter sleeve, crosses the inside of filter sleeve and is provided with the swivel sleeve with drive shaft lateral wall fixed connection, and a plurality of oblique blades of lateral wall fixedly connected with of swivel sleeve.

In order to play the filter effect to the air supply power, as the utility model discloses an energy-saving centrifugal fan is preferred, the left end fixedly connected with of filter sleeve and the inboard fixed connection pad of air inlet shell, the left end of connection pad runs through the filtration hole of seting up a plurality of evenly distributed, the inside wall of connection pad and the lateral wall swing joint of swivel mount.

In order to strengthen the filtration quality of air inlet, conduct the utility model discloses a preferred of energy-saving centrifugal fan, the inside wall of filter sleeve right-hand member pastes with the outside wall of drive shaft.

In order to facilitate discharging the air inside the air outlet casing, as the utility model discloses an energy-saving centrifugal fan is preferred, and the air outlet has been seted up to the lower extreme at the inside rear of air outlet casing, and the rear end intercommunication of air outlet has the exhaust pipe.

For convenient fixed motor and air-out casing, as the utility model discloses an energy-saving centrifugal fan is preferred, the lateral wall fixedly connected with frame of motor, the equal fixedly connected with locating rack in both sides around the air-out casing, the below of centrifugal fan body is provided with the fixed bolster, the lower extreme of frame and locating rack all with the upper end fixed connection of fixed bolster.

Compared with the prior art, the beneficial effects of the utility model are that:

this kind of energy-saving centrifugal fan, the starter motor, the drive shaft rotates, and simultaneously, it rotates to drive a plurality of centrifugal blades and rotary sleeve, and when a plurality of oblique blades are rotatory, with the rotatory defeated filter sleeve and the rotary sleeve between of external wind, the wind of entering passes through the filtration of filter sleeve, flow to inside the air-out casing, and centrifugal blade rotates, conveying wind-force flows out between a plurality of water conservancy diversion leaves, oblique blade is rotatory, play and cut apart the effect, make the leakage resistance increase, reduce gaseous leakage loss, reduce the consumption and the manufacturing cost of the energy.

Drawings

FIG. 1 is an overall structure diagram of an energy-saving centrifugal fan of the present invention;

fig. 2 is a cross-sectional structural view of the air outlet casing of the present invention;

fig. 3 is a left view structure diagram of the fixing disc of the present invention.

In the figure, 1, a centrifugal fan body; 2. an air outlet shell; 201. an air inlet housing; 202. fixing the disc; 203. a guide vane; 204. an air outlet; 205. an exhaust duct; 206. a connecting disc; 207. a filtration pore; 208. a filter sleeve; 3. a motor; 301. a drive shaft; 302. a centrifugal blade; 303. a rotating sleeve; 304. an oblique blade; 4. fixing a bracket; 401. a machine frame; 402. a positioning frame.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 efforts all belong to the protection scope of the present invention.

Referring to fig. 1-3, an energy-saving centrifugal fan includes a centrifugal fan body 1, where the centrifugal fan body 1 includes an air outlet casing 2 and a motor 3 fixedly installed on the right side of the air outlet casing 2. Air-out casing 2's left end fixedly connected with air inlet casing 201, the inside right side fixedly connected with fixed disk 202 of air-out casing 2, motor 3's output end fixedly connected with drive shaft 301, drive shaft 301's the other end from the right side to left side run through air-out casing 2 and fixed disk 202 in proper order and extend to the left end of fixed disk 202. The outer side wall of the driving shaft 301 is fixedly connected with a plurality of centrifugal blades 302, and the outer side wall of the plurality of centrifugal blades 302 is provided with a plurality of guide vanes 203 fixedly connected with the left end of the fixed disc 202. The inner side wall of the air inlet casing 201 is fixedly connected with a filter sleeve 208, a rotary sleeve 303 fixedly connected with the outer side wall of the driving shaft 301 is arranged inside the filter sleeve 208, and a plurality of inclined blades 304 are fixedly connected with the outer side wall of the rotary sleeve 303.

In this embodiment: motor 3 installs on the right side of air-out casing 2, and drive shaft 301 extends to the inside of air-out casing 2, at a plurality of centrifugal blade 302 of the lateral wall installation of drive shaft 301, and a plurality of centrifugal blade 302 all are located a plurality of guide vane 203 middle parts. Meanwhile, the rotary sleeve 303 is fixedly mounted at the left end of the driving shaft 301, the outer side wall of the rotary sleeve 303 is fixedly connected with the plurality of oblique blades 304, the outer side wall of the filter sleeve 208 is fixedly connected with the inner side wall of the air inlet shell 201, and the inner side wall of the right end of the filter sleeve 208 is attached to the outer side wall of the driving shaft 301. During the use, starter motor 3, drive shaft 301 rotates, and simultaneously, drive a plurality of centrifugal blades 302 and rotary sleeve 303 and rotate, and during a plurality of oblique blades 304 are rotatory, with external wind rotatory transport between filter sleeve 208 and rotary sleeve 303, the wind of entering passes through the filtration of filter sleeve 208, flow to the inside of air-out casing 2, and centrifugal blade 302 rotates, conveying wind-force flows out from between a plurality of guide vanes 203, oblique blade 304 is rotatory, play and cut apart the effect, make the leakage resistance increase, reduce gas leakage loss, reduce the consumption and the manufacturing cost of the energy.

The left end of the filter sleeve 208 is fixedly connected with a connecting disc 206 fixed with the inner side of the air inlet shell 201, the left end of the connecting disc 206 is provided with a plurality of uniformly distributed filter holes 207 in a penetrating manner, and the inner side wall of the connecting disc 206 is movably connected with the outer side wall of the rotary sleeve 303. The inner side wall of the connecting disc 206 is movably connected with the outer side wall of the rotary sleeve 303, so that the rotary sleeve 303 is further ensured to normally rotate, the filter hole 207 has a filtering effect on inlet air, and meanwhile, the entering air is ensured to enter between the filter sleeve 208 and the rotary sleeve 303 through the filter hole 207.

The inner side wall of the right end of the filter sleeve 208 is attached to the outer side wall of the driving shaft 301. The inside wall of crossing filter sleeve 208 right-hand member pastes with the outside wall of drive shaft 301, further strengthens the filter quality of air inlet, prevents that impurity from getting into inside air-out casing 2.

An air outlet 204 is formed at the lower end of the rear part inside the air outlet casing 2, and an exhaust pipe 205 is communicated with the rear end of the air outlet 204. The exhaust pipe 205 is communicated with the air outlet housing 2 through the air outlet 204, so as to further facilitate the discharge of the air inside the air outlet housing 2.

The lateral wall fixedly connected with frame 401 of motor 3, the equal fixedly connected with locating rack 402 in both sides around the air-out casing 2, the below of centrifugal fan body 1 is provided with fixed bolster 4, the lower extreme of frame 401 and locating rack 402 all with the upper end fixed connection of fixed bolster 4. The frame 401 and the positioning frame 402 facilitate fixing the motor 3 and the air outlet casing 2, respectively, so that the stability of the motor 3 and the air outlet casing 2 is enhanced.

The utility model discloses a theory of operation and use flow:

first, the motor 3 is started, the driving shaft 301 rotates, and at the same time, the centrifugal blades 302 and the rotating sleeve 303 are driven to rotate, and when the inclined blades 304 rotate, external wind is conveyed between the filter sleeve 208 and the rotating sleeve 303 in a rotating manner, the entering wind flows into the air outlet shell 2 through the filtering of the filter sleeve 208, the centrifugal blades 302 rotate, the transmission wind flows out from the guide vanes 203, and the inclined blades 304 rotate, so that the splitting effect is achieved, the leakage resistance is increased, the gas leakage loss is reduced, and the energy consumption and the production cost are reduced.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature "on," "above" and "over" the second feature may include the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (5)

1. The utility model provides an energy-saving centrifugal fan, includes centrifugal fan body (1), its characterized in that: centrifugal fan body (1) is including air-out casing (2) and motor (3) of fixed mounting on air-out casing (2) right side, the left end fixedly connected with air inlet casing (201) of air-out casing (2), the inside right side fixedly connected with fixed disk (202) of air-out casing (2), the output end fixedly connected with drive shaft (301) of motor (3), the other end of drive shaft (301) runs through air-out casing (2) and fixed disk (202) and extends to the left end of fixed disk (202) from the right side to left side in proper order, a plurality of centrifugal vane (302) of lateral wall fixedly connected with of drive shaft (301), it is a plurality of centrifugal vane (302) are provided with a plurality of guide vanes (203) with fixed disk (202) left end fixed connection to the lateral wall of centrifugal vane (302), the inside wall fixedly connected with of air inlet casing (201) filters cover (208), the inside of filtering cover (208) is provided with drive shaft (301) lateral wall fixed connection's rotary sleeve (303), the lateral wall fixedly connected with a plurality of oblique vane (304) of rotary sleeve (303).

2. The energy-saving centrifugal fan according to claim 1, characterized in that: the left end fixedly connected with of filter sleeve (208) and air inlet shell (201) inboard fixed connection pad (206), the left end of connection pad (206) is run through and is seted up a plurality of evenly distributed's filtration hole (207), the inside wall of connection pad (206) and the lateral wall swing joint of swivel mount (303).

3. The energy-saving centrifugal fan according to claim 1, wherein: the inner side wall of the right end of the filter sleeve (208) is attached to the outer side wall of the driving shaft (301).

4. The energy-saving centrifugal fan according to claim 1, characterized in that: an air outlet (204) is formed in the lower end of the rear portion inside the air outlet shell (2), and the rear end of the air outlet (204) is communicated with an exhaust pipe (205).

5. The energy-saving centrifugal fan according to claim 1, characterized in that: the outer side wall of the motor (3) is fixedly connected with a machine seat frame (401), the front side and the rear side of the air outlet casing (2) are fixedly connected with positioning frames (402), a fixing support (4) is arranged below the centrifugal fan body (1), and the lower ends of the machine seat frame (401) and the positioning frames (402) are fixedly connected with the upper end of the fixing support (4).

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