CN218472973U - Water absorption motor - Google Patents

Abstract

The application relates to a water suction motor, which relates to the field of motors and comprises a casing for mounting electronic components, wherein an air casing is connected to the outside of the casing, an air cavity is formed between the casing and the air casing, a water throwing fan is arranged in the air cavity, a rotor shaft of a rotor extends into the air cavity and is connected with the water throwing fan, an air inlet for supplying gas, solid and liquid into the air cavity is formed in one side, close to the water throwing fan, of the air casing, an air guide opening is formed in one side, far away from the air inlet, of the air casing, and the air inlet and the air guide opening are communicated with the air cavity; during operation, dust and water stain follow the air intake and get into the wind chamber, and rotor drive gets rid of the rotation of water fan, gets rid of water fan when getting rid of water fan rotation and produces centrifugal force and directly throws away dust and water stain from the wind-guiding mouth to can reduce the possibility that water stain damages electronic component, and then make the dust catcher can absorb water when inhaling the dust.

Description

Water absorption motor

Technical Field

The application relates to the field of motors, in particular to a water suction motor.

Background

With the continuous development of national economy of China, the income of consumers is gradually increased, particularly the living conditions of residents in large and medium-sized cities are continuously improved, and dust collectors are gradually becoming the class of the household products. The dust collector can clean dust on the ground, the wall surface, small household appliances and the like, and the main power is derived from a motor of the dust collector.

The motor of the dust collector is mainly used for a dust collecting pile of the dust collector and consists of an electronic element, a wind bin, a front end cover and a rear end cover, wherein the electronic element mainly comprises a stator, a rotor, a load and the like. The stator generates excitation magnetic flux, improves magnetic permeability, plays a role in supporting the front cover and the rear cover, the rotor generally comprises a rotor core, a rotor shaft and the like, the rotor is used for ensuring and generating continuous electromagnetic torque, the rotor shaft is rotated to drive load work, electric energy is converted into mechanical energy, a wind cabin at the lower end of the rotor rotates at a high speed, air in the dust collecting pile is immediately pumped out, the interior of the dust collecting pile is vacuum, dust and other garbage are sucked in through a dust collecting hose, and the air is filtered by a dust filtering bag and then enters the motor to be discharged.

When the dust collector sucks dust, some water stains can be possibly sucked into the dust collecting pile, the dust collector motor is used as a power source and generally only can be used for a dry environment, when the water stains enter the dust collector motor, the water stains have conductivity, electronic elements inside the motor can be rusted or even damaged, the dust collector motor is short-circuited, and the dust collection work is influenced.

SUMMERY OF THE UTILITY MODEL

In order to improve the problem that dust absorption work is influenced by water inflow in the motor of the dust collector, the application provides a water absorption motor.

The application provides a water absorption motor adopts following technical scheme:

the utility model provides a water absorption motor, is including the casing that is used for installing electronic component, be connected with the wind housing on the casing, be equipped with the air intake that supplies air, dust and water stain entering wind housing on the fan housing, the casing with form the wind chamber between the wind housing, the wind chamber is used for supplying air, dust and water stain entering, the air intake with wind chamber intercommunication sets up, be equipped with the water throwing fan in the wind chamber, the water throwing fan is used for blockking water stain get rid of to inside the casing, the inside rotor of casing stretches into the wind chamber with the water throwing fan is connected, be equipped with on the fan housing and supply air, dust and water stain discharge the wind-guiding mouth in wind chamber, the wind-guiding mouth with wind chamber intercommunication sets up.

Through adopting above-mentioned technical scheme, at the dust catcher motor during operation, dust and water stain follow the air intake and get into the wind chamber, and rotor drive gets rid of the rotation of water fan, and centrifugal force is produced when getting rid of water fan rotation and is directly thrown away dust and water stain from a plurality of wind-guiding mouth to can block inside water stain gets into the casing, reduce water stain possibility of damaging motor electronic component, make the dust catcher motor can be wet dual-purpose futilely, and then make the dust catcher can also absorb water when inhaling the dust.

In a specific implementation scheme, the water throwing fan comprises a baffle connected with the rotor shaft, the baffle is used for blocking the water stain throwing direction inside the casing, a plurality of water throwing blades are arranged on the baffle and are spirally and uniformly distributed on the baffle along the circumferential direction of the rotor shaft, and a plurality of water throwing blades are connected with a rotating ring plate together on one side far away from the rotating plate.

Through adopting above-mentioned technical scheme, when water stain entering wind chamber, rotor drive baffle rotates, and the baffle drives a plurality of and gets rid of the rotation of water blade, and a plurality of gets rid of water blade and drives the rotor plate rotation, and water stain gets rid of from the wind-guiding mouth along a plurality of pivoted water blade that gets rid of, and gets rid of water blade's spiral setting can increase wind-force and can get rid of dust water stain to the air outlet better.

In a specific implementation scheme, an inner cavity for containing an electronic element is arranged in the casing, a cold air inlet is arranged on one side, away from the casing, of the casing, the cold air inlet is communicated with the inner cavity, a radiating fan is connected to the rotor shaft and located on one side, away from the baffle, of the water throwing blade, a fixed impeller shell is connected to one side, close to the radiating fan, of the casing, the fixed impeller shell is arranged along the circumferential direction of the rotor shaft, an air outlet channel is formed between the fixed impeller shell and the casing, the air outlet channel is communicated with the inner cavity and the air cavity, and the air direction of the radiating fan is opposite to that of the water throwing fan.

By adopting the technical scheme, when the rotor drives the cooling fan to rotate, air enters the inner cavity from the cooling air inlet to cool the electronic element, and then is sucked out of the inner cavity from the rotation of the cooling fan and is diffused out of the air guide opening along the air outlet channel, so that the cooling effect is achieved on the element in the motor; and utilize the setting that the hydro-extracting fan is opposite with radiator fan wind direction for when same rotor drive rotates, hydro-extracting fan can produce and inhale the wind in the wind chamber with dust, water stain, and radiator fan can produce and inhale the wind of inner chamber with the cooling air, thereby makes the dust catcher motor during operation, both can realize the effect of dust absorption water absorption, can also realize radiating effect.

In a specific implementation manner, the heat dissipation fan includes a rotating plate connected to the rotor shaft, and a plurality of rotating blades are connected to a side of the rotating plate away from the baffle, and are spirally and uniformly distributed on the rotating plate along an axis of the rotor shaft.

Through adopting above-mentioned technical scheme, when dust catcher motor during operation, rotor drive rotor plate rotates, and the rotor plate drives a plurality of rotating vane and rotates, and a plurality of rotating vane's setting can increase wind-force, from realizing that radiator fan will cool air draught out along the air-out channel from the purpose that a plurality of wind-guiding mouth scatters.

In a specific implementation scheme, one side of the fixed impeller shell, which is far away from the heat dissipation fan, is connected with a plurality of air exhaust sloping plates, the plurality of air exhaust sloping plates are spirally and uniformly distributed along the circumferential direction of the fixed impeller shell, one side of the air exhaust sloping plates, which is far away from the fixed impeller shell, is connected with the fan housing shell, and the air exhaust sloping plates are used for quickly guiding air flows generated by the heat dissipation fan and the water slinging fan to diffuse out of the air guide opening.

By adopting the technical scheme, when the dust collector motor works, the cooling fan sucks cold air into the air duct and quickly guides the cold air to the air guide opening along the air exhaust sloping plate to be diffused, the water throwing fan throws out air sucked into the air cavity and dust water stain carried by the air from the air cavity along the air exhaust sloping plate and quickly guides the dust, the air and the water stain to the air guide opening to be guided out through the arrangement of the air exhaust sloping plate.

In a specific possible embodiment, the height of the water slinging blade gradually decreases from the side close to the air inlet to the side of the air guide opening.

Through adopting above-mentioned technical scheme, at the hydro-extracting fan during operation, utilize the hydro-extracting blade to descend gradually by air intake to wind-guiding mouth, be favorable to reducing the resistance for the air-out is more smooth and easy, thereby makes the dust water stain can be more smooth and easy get rid of the wind-guiding mouth, and then can improve the performance of dust catcher motor.

In a specific implementation scheme, a plurality of inclined air guide plates are arranged on the air guide opening, the inclined air guide plates are uniformly distributed on the inner wall of the air guide opening along the circumferential direction of the air casing, and the inclined air guide plates are used for controlling the flow direction of outlet air and uniformly discharging the air.

Through adopting above-mentioned technical scheme, when the dust catcher motor during operation, through set up a plurality of wind-guiding inclined plane on the wind-guiding mouth, can control the flow direction of air-out unified, the amount of wind of evenly airing exhaust for it is even to air exhaust, thereby can reduce the noise of wind-guiding mouth, and then reduces the noise of dust catcher motor.

In a specific possible embodiment, a plurality of reinforcing plates are connected to one side of the casing close to the wind cover shell, and one side of the reinforcing plates far away from the casing is connected to the wind cover shell.

Through adopting above-mentioned technical scheme, at the dust catcher motor during operation, get rid of the water fan and induced draft with radiator fan co-operation, can make the dust catcher motor produce great vibration, the wind housing also can vibrate with the casing, utilizes the setting of a plurality of reinforcing plate, can be with the structural strength between reinforcing casing and the wind housing shell, reduce the vibration to make the dust catcher motor can work more steadily.

In summary, the present application includes at least one of the following beneficial technical effects:

1. according to the water suction motor, when the dust collector motor works, dust and water stains enter the air cavity from the air inlet, the rotor drives the water throwing fan to rotate, centrifugal force is generated when the water throwing fan rotates to directly throw the dust and the water stains out of the air guide openings, so that the water stains can be prevented from entering the inside of the shell, the possibility that the water stains damage electronic components of the motor is reduced, the dust collector motor can be used for both dry and wet purposes, and the dust collector can absorb water while sucking dust;

2. according to the water suction motor, when the rotor drives the cooling fan to rotate, air enters the inner cavity from the cooling air inlet to cool the electronic element, and then is sucked out of the inner cavity from the rotation of the cooling fan and is diffused out of the air guide opening along the air outlet channel, so that the effect of cooling elements in the motor is achieved;

3. the utility model provides a motor absorbs water, at dust catcher motor during operation, through set up a plurality of wind-guiding inclined plane on the wind-guiding mouth, can control the flow direction of air-out unified, the amount of wind of evenly airing exhaust for it is even to air exhaust, thereby can the noise of wind-guiding mouth.

Drawings

Fig. 1 is a schematic structural view of a water suction motor according to an embodiment of the present application.

Fig. 2 isbase:Sub>A sectional view taken along linebase:Sub>A-base:Sub>A of fig. 1.

Fig. 3 is an exploded view for showing the water throwing fan and the heat dissipating fan.

Fig. 4 is a schematic view for showing the arrangement of the air exhaust sloping plate and the air guide sloping plate.

Fig. 5 is an exploded view for showing the wind shield case, stator vane case and casing.

Description of reference numerals: 1. a housing; 12. an inner cavity; 13. a rotor; 131. a rotor shaft; 14. a cold air inlet; 15. a reinforcing plate; 2. a wind shield casing; 21. an air inlet; 22. a wind guide opening; 221. an air guide sloping plate; 23. an air induction plate; 3. a wind cavity; 4. a water throwing fan; 41. a baffle plate; 42. water throwing blades; 43. rotating the ring plate; 431. a wind-proof plate; 5. a heat radiation fan; 51. a rotating plate; 52. a rotor blade; 6. a fixed impeller shell; 61. an air exhaust sloping plate; 7. an air duct; 71. an air outlet; 8. a heat dissipation path; 9. a water throwing route.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

Referring to fig. 1 and 2, the embodiment of the present application discloses a water absorption motor, which includes a casing 1 for mounting an electronic component, a wind hood housing 2 is connected to an outer wall of the casing 1, in this embodiment, a horizontal cross section of the wind hood housing 2 is circular, the wind hood housing 2 is fixedly connected to the casing 1, an air inlet 21 for air, dust and water stain to enter the wind hood housing 2 is arranged on the wind hood housing 2, in this embodiment, the air inlet 21 is a circular opening, an air guide plate 23 is bent towards the inside of the air inlet 21 by the wind hood housing 2, the air guide plate 23 is arranged along a circumferential direction of the air inlet 21, an air cavity 3 is formed between the casing 1 and the wind hood housing 2, the air cavity 3 is used for air, dust and water stain to enter, the air inlet 21 is communicated with the air cavity 3, a water throwing fan 4 is arranged in the air cavity 3, a rotor 13 inside the casing extends into the air cavity 3 to be connected with the water throwing fan 4, in this embodiment, the rotor 13 is fixedly connected to the water throwing fan 4, one side of the air 2 away from the air inlet 21 is provided with an air supply port 22 for air, the dust and water stain to be discharged from the air cavity 22, the air guide chamber 22, and the air inlet 22 are arranged along a water throwing fan outlet 22, and a water throwing route of the air guide channel 22, and a water throwing fan 22, and a water throwing channel 9.

When the dust collector motor works, dust and water stain enter the air cavity 3 from the air inlet 21, the rotor 13 drives the water-throwing fan 4 to rotate, centrifugal force is generated when the water-throwing fan 4 rotates to throw the dust and the water stain out of the air guide openings 22 directly, so that the water stain can be prevented from entering the shell 1, the possibility of damaging electronic elements inside the motor by the water stain is reduced, the dust collector motor can be used for both dry and wet, and the dust collector can absorb water while absorbing dust.

Referring to fig. 2 and 3, the water throwing fan 4 includes a baffle 41 connected to the rotor shaft 131 of the rotor 13, in this embodiment, the baffle 41 is a circular plate, the baffle 41 is fixedly connected to the rotor shaft 131, the baffle 41 is used for blocking water stains from being thrown into the inside of the casing 1, the baffle 41 is provided with a plurality of water throwing blades 42, the plurality of water throwing blades 42 are spirally and uniformly distributed on the baffle 41, in this embodiment, the plurality of water throwing blades 42 are all fixedly connected to the baffle 41 and are all arranged along the axis of the baffle 41, and the blade height of the water throwing blades 42 gradually decreases from one side close to the air inlet 21 to one side of the air guide opening 22; when the water throwing fan 4 works, the water throwing blades 42 are gradually descended from the air inlet 21 to the air guide opening 22, so that resistance is reduced, air outlet is smoother, dust water stain can be more smoothly thrown to the air guide opening 22, and the performance of a dust collector motor can be improved.

One side of the water throwing blades 42 away from the baffle 41 is connected with a rotating ring plate 43, in this embodiment, the water throwing blades 42 are fixedly connected with the rotating ring plate 43, an air partition plate 431 extends from the inner ring wall of the rotating ring plate 43 to one side of the air inducing plate 23, and the air inducing plate 23 extends into the inner ring of the rotating ring plate 43.

When the dust collector motor works, dust and water stain enter the air cavity 3 along the air guide plate 23 and the air partition plate 431, at the moment, the rotor 13 drives the baffle plate 41 to rotate, the baffle plate 41 drives the water throwing blades 42 to rotate, the water throwing blades 42 drive the rotating plate 51 to rotate, the water stain is thrown out of the air guide opening 22 along the water throwing blades 42, and the spiral arrangement of the water throwing blades 42 can increase wind power and can throw the dust water stain into the air guide opening 22 better.

Referring to fig. 2 and 3, an inner cavity 12 for accommodating electronic components is provided in the casing 1, a cold air inlet 14 is provided at a side of the casing 1 away from the wind cowl 2, the cold air inlet 14 is communicated with the inner cavity 12, the rotor shaft 131 is connected with a heat dissipation fan 5, the heat dissipation fan 5 is located at a side away from the baffle 41 away from the water throwing blades 42, a stator impeller shell 6 is connected to a side of the casing 1 close to the heat dissipation fan 5, the stator impeller shell 6 is arranged along a circumferential direction of the heat dissipation fan 5, a plurality of air outlets 71 are provided at a side of the stator impeller shell 6 away from the heat dissipation fan 5, the plurality of air outlets 71 are uniformly provided on the stator impeller shell 6, an air outlet 7 is formed between the stator impeller shell 6 and the casing 1, the air outlets 71 are communicated with the air outlet 7, the air outlet 7 is communicated with the inner cavity 12 and communicated with the wind cavity 3, the wind direction generated by the heat dissipation fan 5 and the water throwing fan 4 is opposite, the cold air inlet 14, the inner cavity 12, the wind channel 7, the wind outlets 7, the air outlets 71, the cold air outlet 71 and the wind guiding opening 22 form a cold air cooling path 8, the cold air entering the inner cavity 12 along the heat dissipation path 8, and then entering the wind path 5.

When the motor of the dust collector works, the rotor 13 drives the cooling fan 5 to rotate, air enters the inner cavity 12 from the cooling air inlet to cool the electronic element, and then the air is sucked out of the inner cavity 12 by the rotation of the cooling fan 5 and is emitted from the air guide opening 22 along the air outlet channel 7, so that the effect of cooling the element in the motor is achieved; and the reverse setting of the wind direction of the water throwing fan 4 and the cooling fan 5 is utilized, so that when the same rotor 13 is driven to rotate, the water throwing fan 4 can generate wind for sucking dust and water stains into the wind cavity 3, and the cooling fan 5 can generate wind for sucking cooling wind into the inner cavity 12, so that when the motor of the dust collector works, the effects of dust collection and water absorption can be realized, and the heat dissipation effect can also be realized.

Fig. 2 and 3, the heat dissipation fan 5 includes a rotating plate 51 connected to the rotor shaft 131, in this embodiment, the rotating plate 51 is a circular plate, a plurality of rotating blades 52 are connected to a side of the rotating plate 51 away from the baffle plate 41, and the plurality of rotating blades 52 are spirally and uniformly distributed on the rotating plate 51 along the axis of the rotor shaft 131; when the motor of the vacuum cleaner works, the rotor 13 drives the rotating plate 51 to rotate, the rotating plate 51 drives the plurality of rotating blades 52 to rotate, and the arrangement of the plurality of rotating blades 52 can increase the wind power, so that the cooling wind is sucked out by the cooling fan 5 and is emitted from the plurality of wind guide openings 22 along the wind outlet channel 7.

Referring to fig. 4 and 5, one side of the fixed impeller shell 6 close to the wind cowl shell 2 is connected with a plurality of exhaust inclined plates 61, one sides of the exhaust inclined plates 61 far away from the fixed impeller shell 6 are connected with the wind cowl shell 2, the exhaust inclined plates 61 correspond to the wind outlets 71 one by one, the distance between the top walls of the exhaust inclined plates 61 and the wind outlets 71 is gradually reduced from one side close to the wind inlets 21 to one side close to the wind outlets 22, the exhaust inclined plates 61 are uniformly distributed along the circumferential direction of the fixed impeller shell 6, in the present embodiment, the exhaust inclined plates 61 are uniformly distributed in a clockwise spiral manner along the circumferential direction of the fixed impeller shell 6, and the length directions of the exhaust inclined plates 61 are all arranged along the circumferential side of the outer wall of the fixed impeller shell 6; when the dust collector motor works, the cooling fan 5 sucks cold air into the inner cavity 12 and discharges the cold air from the air outlet 71 along the air duct 7, the cold air is discharged to the air guide opening 22 along the length direction of the air exhaust inclined plate 61 and then is discharged out, the water throwing fan 4 throws air sucked into the air cavity 3 and dust water stain carried by the air to the air exhaust inclined plate 61 and then discharges the air from the air guide opening 22 along the length direction of the air exhaust inclined plate 61, and when the air exhaust inclined plate 61 guides the dust, the air and the water stain to be discharged, air resistance can be reduced, so that the guiding speed can be accelerated.

Referring to fig. 4 and 5, a plurality of inclined air guiding plates 221 are arranged on the air guiding opening 22, the plurality of inclined air guiding plates 221 are uniformly distributed on the inner wall of the air guiding opening 22 along the circumferential direction of the air hood casing 2, in this embodiment, the plurality of inclined air guiding plates 221 are uniformly distributed on the inner wall of the air guiding opening 22 in a clockwise spiral manner along the circumferential direction of the air hood casing 2, and an included angle between a plane where one side of the inclined air discharging plate 61 close to the air duct 7 is located and a horizontal projection plane of a tangent plane of the inner side wall of the air hood casing 2 is an acute angle; the plurality of air guide inclined plates 221 are uniformly distributed on the air guide opening 22 in the same direction, so that the flow direction of the air outlet can be controlled to be uniform, the air volume of the air outlet is uniform, and the noise of the air guide opening 22 can be reduced.

Referring to fig. 5, one side of the casing 1 close to the wind shield casing 2 is connected with a plurality of reinforcing plates 15, one side of the reinforcing plates 15 far away from the casing 1 is connected with the wind shield casing 2, the reinforcing plates 15 are abutted against the casing 1 and the wind shield casing 2, and the plurality of reinforcing plates 15 are uniformly distributed along the circumferential direction of the casing 1; get rid of water fan 4 and induced draft with radiator fan 5 co-operation, can make the dust catcher motor produce great vibration, fan housing shell 2 also can produce the vibration with casing 1, and the structural strength between casing 1 and the fan housing shell 2 can be strengthened in the setting of a plurality of reinforcing plate 15, reduces the vibration to make the dust catcher motor can work more steadily.

The implementation principle of the water absorption motor in the embodiment of the application is as follows: when the motor of the dust collector works, dust and water stains enter the air cavity 3 from the air inlet 21, the rotor 13 drives the water throwing fan 4 to rotate, centrifugal force is generated when the water throwing fan 4 rotates to throw the dust and the water stains out of one side of the air guide opening 22, and the dust and the water stains are led out of the air guide opening 22 along the air exhaust inclined plate 61; meanwhile, the rotor 13 drives the cooling fan 5 to rotate, the air enters the inner cavity 12 from the cooling air inlet to cool the electronic components in the motor, and then the air is sucked out of the inner cavity 12 by the rotation of the cooling fan 5 and is diffused out from the air outlet 71 along the air outlet channel 7 and is diffused out to the air inlet 22 along the air exhaust inclined plate 61; therefore, when the same rotor 13 is driven to rotate, the effect of dust collection and water absorption of the motor of the dust collector can be achieved, and the effect of heat dissipation inside the motor of the dust collector can also be achieved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. A water-absorbing motor characterized in that: including casing (1) that is used for installing electronic component, be connected with wind housing (2) on casing (1), be equipped with on wind housing (2) and supply air, dust and water stain entering air intake (21) of wind housing (2), casing (1) with form wind chamber (3) between wind housing (2), wind chamber (3) are used for supplying air, dust and water stain entering, air intake (21) with wind chamber (3) intercommunication sets up, be equipped with in wind chamber (3) and get rid of water fan (4), get rid of water fan (4) and be used for blockking that water stain gets rid of to casing (1) is inside, rotor (13) inside casing (1) stretch into wind chamber (3) with it connects to get rid of water fan (4), be equipped with on wind housing (2) and supply air, dust and water stain to discharge wind guide opening (22) of wind chamber (3), wind guide opening (22) with wind chamber (3) intercommunication sets up.

2. The suction motor as claimed in claim 1, wherein: the water throwing fan (4) comprises a baffle (41) connected with a rotor shaft (131) of the rotor, a plurality of water throwing blades (42) are arranged on the baffle (41), the water throwing blades (42) are spirally and uniformly distributed on the baffle (41) along the circumferential direction of the rotor shaft (131), and one side, away from the baffle (41), of the water throwing blades (42) is jointly connected with a rotating ring plate (43).

3. The suction motor as claimed in claim 2, wherein: the height of the water throwing blades (42) gradually decreases from one side close to the air inlet (21) to one side of the air guide opening (22).

4. The suction motor as claimed in claim 2, wherein: be equipped with inner chamber (12) that is used for holding electronic component in casing (1), casing (1) is kept away from one side of wind housing (2) is equipped with cold wind inlet port (14), cold wind inlet port (14) with inner chamber (12) intercommunication sets up, rotor shaft (131) are connected with radiator fan (5), radiator fan (5) are located and keep away from baffle (41) are kept away from one side of water-throwing blade (42), casing (1) are close to one side of radiator fan (5) is connected with stator vane shell (6), stator vane shell (6) are followed the circumference setting of rotor shaft (131), stator vane shell (6) with form air outlet duct (7) between casing (1), air outlet duct (7) with inner chamber (12) and with wind chamber (3) intercommunication sets up.

5. The suction motor as claimed in claim 4, wherein: the heat radiation fan (5) comprises a rotating plate (51) connected with the rotor shaft (131), one side, away from the baffle (41), of the rotating plate (51) is connected with a plurality of rotating blades (52), and the plurality of rotating blades (52) are spirally and uniformly distributed on the rotating plate (51) along the axis of the rotor shaft (131).

6. The suction motor as claimed in claim 4, wherein: one side, far away from the cooling fan (5), of the fixed impeller shell (6) is connected with a plurality of air exhaust inclined plates (61), the air exhaust inclined plates (61) are spirally and uniformly distributed along the circumferential direction of the fixed impeller shell (6), one side, far away from the fixed impeller shell (6), of the air exhaust inclined plates (61) is connected with the air hood shell (2), and the air exhaust inclined plates (61) are used for guiding air flow generated by the cooling fan (5) and the water throwing fan (4) to be emitted out of the air guide opening (22).

7. The suction motor as claimed in claim 1, wherein: the air guide opening (22) is provided with a plurality of inclined air guide plates (221), the inclined air guide plates (221) are uniformly distributed on the inner wall of the air guide opening (22) along the circumferential direction of the air casing (2), and the inclined air guide plates (221) of the air guide opening are used for controlling the flow direction of air outlet and uniformly discharging air.

8. The suction motor as claimed in claim 1, wherein: one side of the casing (1) close to the wind shield casing (2) is connected with a plurality of reinforcing plates (15), one side of the reinforcing plates (15) far away from the casing (1) is connected with the wind shield casing (2).

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