CN220929796U - Self-cleaning motor and dust collector using same - Google Patents

Abstract

The application relates to the technical field of self-cleaning equipment, in particular to a self-cleaning motor and a dust collector using the same, which comprises a shell, wherein a fan cover is arranged at one end of the shell, an end cover is arranged at one end of the shell, which is away from the fan cover, a rotating main shaft and a driving structure for driving the rotating main shaft are arranged in the shell, an air inlet and an air outlet which are mutually communicated are arranged on the fan cover, a movable impeller with a forward and reverse rotation function is rotatably arranged in the fan cover, the movable impeller can reversely rotate to automatically clean adsorbate adsorbed on the movable impeller, and the movable impeller is connected with the rotating main shaft. The application has the advantages of realizing the self-cleaning of the movable impeller inside the motor, improving the use effect of the motor and prolonging the service life of the motor.

Description

Self-cleaning motor and dust collector using same

Technical Field

The application relates to the technical field of self-cleaning equipment, in particular to a self-cleaning motor and a dust collector using the same.

Background

The motor mainly comprises a rotor, a stator, a movable carbon brush, a bracket, a bearing, a shell and the like. The stator is a static part of the motor, the rotor is a rotating part of the motor, and when the motor operates, current enters the stator from one end of the power supply, so that a strong rotating magnetic field is generated in the stator, and the rotor starts to rotate under the action of the magnetic field. In the process of rotor rotation, the carbon brush scrapes the needle head on the rotor copper ring on the rotor surface, so that the rotor copper ring and the rotor copper angle are contacted with the copper brush through the carbon brush, and alternating current is generated. This alternating current is returned to the power supply through the circuit, in such a way that the motor forms a dynamic cycle.

The dust collector motor is used for the motor inside the dust collector and further comprises a movable impeller and a static impeller, when the dust collector motor runs, negative pressure is generated through rotation of the movable impeller, suction force is further generated, dust, bacteria, pollen and other impurities on the ground and in indoor air are adsorbed and collected, and therefore the absorption and cleaning of pollutants on the ground and in indoor air are achieved.

But the motor can adsorb dust or debris to the movable vane wheel inside at normal operation during operation to easily lead to dust or debris to adhere on the movable vane wheel surface, cause movable vane wheel surface dirt, and then easily influence the result of use and the life of motor.

Disclosure of utility model

In order to realize self-cleaning of a movable impeller in a motor, thereby improving the use effect of the motor and prolonging the service life of the motor, the application provides a self-cleaning motor and a dust collector using the motor.

The application provides a self-cleaning motor, which adopts the following technical scheme:

the utility model provides a self-cleaning motor, includes the casing, the one end of casing is provided with the fan housing, the one end that the casing deviates from the fan housing is provided with the end cover, be provided with the rotating main shaft in the casing and be used for driving the drive structure of rotating main shaft, be equipped with air intake and the air outlet of intercommunication each other on the fan housing, the fan housing inside rotation is installed and is had the movable vane wheel of positive and negative rotation function, the movable vane wheel reversal can self-cleaning adsorb the adsorbate on the movable vane wheel, the movable vane wheel with the rotating main shaft is connected.

Through adopting above-mentioned technical scheme, during the normal operation of motor, the rotatory main shaft forward rotation of drive structure drive to drive and move the impeller and rotate, move the impeller and pass through the air outlet with the inside air of fan housing and discharge when rotating, make the inside negative pressure that produces of fan housing, thereby inhale external air through the air intake. When the motor carries out self-cleaning, the driving structure drives the rotary main shaft to reversely rotate, so that the rotary main shaft drives the movable impeller to reversely rotate, and the movable impeller generates centrifugal force to remove dust or sundries adhered to the surface of the movable impeller when reversely rotating, thereby being beneficial to realizing self-cleaning of the movable impeller, further being beneficial to improving the using effect of the motor and prolonging the service life of the motor.

In a specific embodiment, the surface of the impeller is coated with an electrophoretic coating.

Through adopting above-mentioned technical scheme, the setting of electrophoresis coating helps promoting the smoothness on impeller surface to help reducing impeller surface adhesion's dust or debris, help promoting impeller self surface adhesion's dust or debris's cleaning performance when reversing simultaneously. The arrangement of the electrophoresis coating is also beneficial to reducing noise and vibration generated in the rotating process of the movable impeller and prolonging the service life of the movable impeller.

In a specific implementation manner, a guide ring is arranged at one end of the casing, which is away from the end cover, the fan cover is sleeved on the periphery of the guide ring, and the movable impeller is positioned between the guide ring and the fan cover.

Through adopting above-mentioned technical scheme, the air current flow direction that is favorable to guiding the impeller rotation in-process is moved in the setting of water conservancy diversion ring to help guiding the air current to flow from the air outlet, and then promoted the result of use of motor.

In a specific implementation manner, a clamping cover is fixed on one side, away from the casing, of the fan cover, and one side, facing the movable impeller, of the clamping cover is clamped and attached with one side, facing the movable impeller, of the clamping cover.

Through adopting above-mentioned technical scheme, when moving impeller rotates, the joint cover helps leading spacing to moving impeller's rotation route, helps guaranteeing as far as possible that moving impeller rotates along same axis, helps reducing the vibration that moving impeller rotates in-process produced simultaneously, has promoted moving impeller and has rotated the stability in-process.

In a specific implementation manner, the joint of the clamping cover and the fan cover is matched to form a step part, and a gap is formed between one surface of the movable impeller, which faces away from the shell, and the inner wall of the step part.

Through adopting above-mentioned technical scheme, when moving the impeller and rotate, the inner wall of step portion helps guiding the air current that produces in the rotation process and flows towards the air outlet, helps preventing the air current backward flow, has reduced the produced energy loss of moving the impeller rotation to help guaranteeing the result of use of motor.

In a specific implementation manner, a plurality of through holes are formed in the movable impeller in a penetrating manner, and the through holes are distributed in an annular array with the axis of the movable impeller as the center.

Through adopting above-mentioned technical scheme, when the impeller rotates, the inside negative pressure that produces of impeller, a plurality of through-holes help making form the passageway between the inside negative pressure region of impeller and the outside malleation region of impeller, when outside air can not get into the inside of impeller through the air intake, the passageway that a plurality of through-holes formed helps playing the effect of pressure release deceleration to the impeller.

In a specific embodiment, the end cover is provided with a plurality of heat dissipation vents for ventilating and dissipating heat inside the casing.

Through adopting above-mentioned technical scheme, when the motor operation, the radiating vent helps promoting the inside and external intercommunication effect of casing to help promoting the circulation of the inside air of casing and external air, and then help promoting the radiating effect of casing inner structure.

The application also provides a dust collector using the motor, which comprises a handle, a shell and a rod body which are sequentially arranged, wherein the handle and the rod body are fixedly connected with the shell and are positioned on two sides of the shell, one end of the rod body, which is far away from the shell, is provided with a dust collection head, the shell is provided with a dust collection cup, the motor is fixedly arranged in the shell and is communicated with the dust collection cup through the air inlet, an air passage used for communicating the dust collection head and the dust collection cup is formed in the rod body, and a control panel is arranged on the handle.

Through adopting above-mentioned technical scheme, when using the dust catcher, through control panel control motor corotation to drive impeller corotation, produce negative pressure, thereby suction outside air through the air intake, and then make the dust absorption head produce suction, suction outside dust or debris. When the motor needs to be self-cleaned, the motor is controlled to rotate reversely through the control panel, so that the movable impeller is driven to rotate reversely, and meanwhile, centrifugal force is generated to remove dust or sundries adhered to the surface of the movable impeller, so that the self-cleaning of the movable impeller is facilitated, the use effect of the motor is improved, and the dust collection effect of the dust collector is improved.

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

1. According to the application, through the arrangement of the movable impeller with the forward and backward rotation functions, when the motor is used for self-cleaning, the movable impeller can reversely rotate under the drive of the driving structure and the rotating main shaft, and centrifugal force can be generated to remove dust or sundries adhered to the surface of the movable impeller when the motor reversely rotates, so that the self-cleaning of the movable impeller is facilitated, the use effect of the motor is improved, and the service life of the motor is prolonged.

2. According to the application, through the arrangement of the electrophoretic coating, the electrophoretic coating is beneficial to improving the smoothness of the surface of the movable impeller, reducing dust or sundries adhered to the surface of the movable impeller, further improving the cleaning effect of the movable impeller on the dust or sundries adhered to the surface of the movable impeller during the reverse rotation, further improving the self-cleaning effect of the movable impeller, further improving the use effect of the motor and prolonging the service life of the motor.

Drawings

Fig. 1 is a schematic diagram showing a specific structure of a motor.

Fig. 2 is an exploded view of a partial structure embodying the specific structure of the interior of the housing and the end cap.

Fig. 3 is an exploded view showing the specific structure of the inside of the fan housing.

Fig. 4 is a schematic diagram showing a specific structure of the impeller.

Figure 5 is a schematic diagram showing a specific structure of the dust collector.

Reference numerals illustrate: 1. a housing; 2. a fan housing; 3. an end cap; 4. rotating the main shaft; 5. a driving structure; 6. an air inlet; 7. an air outlet; 8. a moving impeller; 9. an impeller is fixed; 10. an electric control board; 11. a guide ring; 12. a clamping cover; 13. a step portion; 14. a through hole; 15. a heat dissipation vent; 16. a handle; 17. a housing; 18. a rod body; 19. a dust collection head; 20. a dust cup; 21. and a control panel.

Detailed Description

The present application will be described in further detail with reference to the accompanying drawings.

The embodiment of the application discloses a self-cleaning motor, which comprises a machine shell 1, wherein a driving structure 5 consisting of a stator and a rotor is fixedly arranged in the machine shell 1, and a rotary main shaft 4 penetrating through the driving structure 5 is rotatably arranged in the machine shell 1.

Referring to fig. 1 and 2, one end fixedly connected with end cover 3 of casing 1, the inside automatically controlled board 10 that is provided with of end cover 3, automatically controlled board 10 pass through connecting rod and casing 1 fixed connection, set up a plurality of heat dissipation ventilation holes 15 on the one side that end cover 3 deviates from casing 1, heat dissipation ventilation holes 15 help promoting the circulation of casing 1 inside air and external air to the radiating effect of casing 1 inner structure has been promoted.

Referring to fig. 3 and 4, a fixed impeller 9 is fixedly mounted on the inner wall of one end of the casing 1 far away from the end cover 3, a guide ring 11 is fixedly connected with one end of the casing 1 far away from the end cover 3, a movable impeller 8 is rotatably mounted on one surface of the guide ring 11 far away from the casing 1, the movable impeller 8 and the rotary main shaft 4 are fixedly connected through a connecting piece, and the movable impeller 8 has a forward and reverse rotation function. The surface of the movable impeller 8 is uniformly coated with a layer of electrophoresis coating, and a plurality of through holes 14 which are annularly arrayed with the axis of the movable impeller 8 as the center are formed in the side wall of the movable impeller 8, which is close to the guide ring 11. The fan housing 2 is fixedly installed on one face, away from the shell 1, of the guide ring 11, the fan housing 2 is located on the periphery of the movable impeller 8, the air inlet 6 is formed in one face, away from the guide ring 11, of the fan housing 2, and the plurality of air outlets 7 are formed in the circumferential side wall of the fan housing 2.

Referring to fig. 2 and 3, when the motor is operating normally, the electric control board 10 controls the driving structure 5 to operate forward, so as to drive the rotary main shaft 4 to rotate forward, and further drive the impeller 8 to rotate forward. In the forward rotation process of the movable impeller 8, the movable impeller 8 drives air inside the fan housing 2 to form flowing air flow, and the flowing air flow flows out towards the air outlet 7 under the guidance of the guide ring 11, so that negative pressure is generated inside the fan housing 2, and external air flows into the fan housing 2 from the air inlet 6 to circulate reciprocally.

Referring to fig. 2 and 3, when the motor performs self-cleaning operation, the electric control board 10 controls the driving structure 5 to reversely operate, so as to drive the rotary main shaft 4 to reversely rotate, and further drive the impeller 8 to reversely rotate. In the process of reversely rotating the movable impeller 8, the movable impeller 8 can generate centrifugal force to remove dust or sundries adhered to the surface of the movable impeller 8, so that the self-cleaning of the movable impeller 8 is realized.

Referring to fig. 2 and 3, the electrophoretic coating helps to promote the smoothness of the surface of the impeller 8. When the impeller 8 rotates positively, the existence of the electrophoretic coating makes dust or sundries not easy to adhere to the surface of the impeller 8, thereby being beneficial to reducing the dust or sundries adhered to the surface of the impeller 8; when the movable impeller 8 rotates reversely, dust or sundries adhered to the surface of the movable impeller 8 are easier to fall off from the surface of the movable impeller 8 under the action of the same centrifugal force, so that the self-cleaning effect of the movable impeller 8 is improved.

Referring to fig. 3 and 4, the plurality of through holes 14 can form a passage between the inside and the outside of the impeller 8, and when the air inlet 6 is blocked, the pressure release and speed reduction effects on the inside of the impeller 8 are achieved by the existence of the passage, so that the impeller 8 and the motor are protected.

Referring to fig. 1 and 3, a clamping cover 12 is integrally formed on one surface of the fan cover 2, which is away from the guide ring 11, and the clamping cover 12 is in butt joint communication with the air inlet 6, and one surface of the clamping cover 12, which faces the movable impeller 8, and one surface of the movable impeller 8, which faces the clamping cover 12, are mutually clamped and attached. A step portion 13 is formed at the joint between the engagement cover 12 and the fan cover 2, and a gap is provided between the inner wall of the step portion 13 and the surface of the impeller 8 facing the engagement cover 12.

Referring to fig. 1 and 3, when the impeller 8 rotates, the clamping cover 12 helps to limit the impeller 8, helps to guide the rotation of the impeller 8, reduces vibration generated during the rotation of the impeller 8, and improves stability during the rotation of the impeller 8. When the impeller 8 rotates positively, the step part 13 helps to guide the air flow in the fan housing 2 to flow out from the air outlet 7, so that the air flow can be prevented from flowing back into the fan housing 2, and the using effect of the motor is guaranteed.

The embodiment of the application also discloses a dust collector applying the motor, and referring to fig. 1 and 5, the dust collector comprises a handle 16, a shell 17 and a rod body 18 which are sequentially arranged, one end of the handle 16 is fixedly connected with the shell 17, one end of the rod body 18 is fixedly connected with the shell 17, and the handle 16 and the rod body 18 are respectively positioned on two opposite sides of the shell 17. The motor is fixedly arranged in the shell 17, the dust cup 20 is fixedly arranged on the outer wall of the shell 17, and the dust cup 20 is communicated with the motor through the air inlet 6. The end of the rod body 18 far away from the shell 17 is fixedly provided with a dust collection head 19, an air passage is formed in the rod body 18, and the dust collection head 19 is communicated with a dust collection cup 20 through the air passage (not shown in the figure). The handle 16 is fixedly provided with a control panel 21, and the control panel 21 is electrically connected with a motor (not shown in the figure).

Referring to fig. 3 and 5, in normal use of the cleaner, the motor is controlled to rotate forward by the control panel 21, so that the impeller 8 is driven to rotate forward to generate negative pressure, and external air is sucked through the air inlet 6, so that the suction head 19 generates suction force to suck dust or sundries. When the motor needs to be self-cleaned, the motor is controlled to rotate reversely through the control panel 21, so that the movable impeller 8 is driven to rotate reversely, and the movable impeller 8 generates centrifugal force to remove dust or sundries adhered to the surface of the movable impeller 8 when rotating reversely, so that the self-cleaning of the movable impeller 8 is facilitated, the using effect of the motor is improved, and the dust collection effect of the dust collector is improved.

The implementation principle of the embodiment of the application is as follows: when the dust collector works normally, the structure 5 is driven to operate positively through the control panel 21 and the electric control plate 10, so that the rotary main shaft 4 and the movable impeller 8 are driven to rotate positively, air inside the wind cover 2 is driven to form flowing air flow, the flowing air flow flows out towards the air outlet 7 under the guidance of the guide ring 11, negative pressure is generated inside the wind cover 2, external air is further caused to flow into the wind cover 2 from the air inlet 6, the dust collection head 19 generates suction force, and dust or sundries are sucked.

When the motor is self-cleaned, the motor is controlled to rotate reversely through the control panel 21, the movable impeller 8 is driven to rotate reversely, so that the movable impeller 8 can generate centrifugal force to remove dust or sundries adhered to the surface of the movable impeller 8 when rotating reversely, the self-cleaning of the movable impeller 8 is facilitated, the using effect of the motor is improved, and the dust collection effect of the dust collector is improved.

The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.

Claims (8)

1. A self-cleaning motor, characterized in that: including casing (1), the one end of casing (1) is provided with fan housing (2), the one end that casing (1) deviates from fan housing (2) is provided with end cover (3), be provided with in casing (1) rotatory main shaft (4) and be used for driving structure (5) of rotatory main shaft (4), be equipped with air intake (6) and air outlet (7) of intercommunication each other on fan housing (2), fan housing (2) inside rotation is installed movable vane wheel (8) that have positive and negative rotation function, movable vane wheel (8) reversal can self-cleaning adsorb the adsorbate on movable vane wheel (8), movable vane wheel (8) with rotatory main shaft (4) are connected.

2. A self-cleaning motor as claimed in claim 1, wherein: the surface of the movable impeller (8) is coated with an electrophoretic coating.

3. A self-cleaning motor as claimed in claim 1, wherein: the fan cover is characterized in that a guide ring (11) is arranged at one end, deviating from the end cover (3), of the shell (1), the fan cover (2) is sleeved on the periphery of the guide ring (11), and the movable impeller (8) is located between the guide ring (11) and the fan cover (2).

4. A self-cleaning motor as claimed in claim 1, wherein: one side of the fan housing (2) deviating from the machine shell (1) is fixedly provided with a clamping cover (12), and one side of the clamping cover (12) facing the movable impeller (8) and one side of the movable impeller (8) facing the clamping cover (12) are mutually clamped and attached.

5. A self-cleaning motor as claimed in claim 4, wherein: the joint cover (12) and the joint of the fan cover (2) are matched to form a step part (13), and a gap is reserved between one surface of the movable impeller (8) deviating from the machine shell (1) and the inner wall of the step part (13).

6. A self-cleaning motor as claimed in claim 1, wherein: the movable impeller (8) is provided with a plurality of through holes (14) in a penetrating mode, and the through holes (14) are distributed in an annular array mode with the axis of the movable impeller (8) as the center.

7. A self-cleaning motor as claimed in claim 1, wherein: the end cover (3) is provided with a plurality of heat dissipation vent holes (15) for ventilation and heat dissipation in the casing (1).

8. A vacuum cleaner employing the motor of any one of claims 1-7, characterized in that: including handle (16), casing (17) and body of rod (18) that set gradually, handle (16) with body of rod (18) all with casing (17) fixed connection just is located the both sides of casing (17), body of rod (18) are kept away from the one end of casing (17) is provided with dust absorption head (19), be provided with dust collection cup (20) on casing (17), the motor is fixed to be set up in casing (17) and through air intake (6) with dust collection cup (20) intercommunication, body of rod (18) are inside to have be used for the intercommunication dust absorption head (19) with the air flue of dust collection cup (20), be provided with control panel (21) on handle (16).