CN217827760U - Hand-held electric dust-removing duster with dust-absorbing and filtering functions - Google Patents

Abstract

The utility model discloses a hand-held type electric dust removal whisk with dust absorption filtering capability, connect the function head at host computer body front end including the host computer body and detachable, the overhead dust absorption mouth that is equipped with of function, host computer is internal to be equipped with driver and impeller, the impeller is rotatory by the driver drive, be equipped with the annular groove on the lateral wall of the host computer body, the host computer body part at annular groove rear is used for the hand to hold as holding the position, be equipped with the exhaust vent in the intercommunication host computer body on the inside wall of annular groove, inhale the host computer body with outside air from the dust absorption mouth during the impeller is rotatory, the exhaust vent is arranged in the air current outflow in the host computer body to outside annular groove, the air enters into the annular groove earlier, with the air mixing in the annular groove, flow to the external world again, avoid the direct-blow and the discomfort that brings, and the air current that the exhaust vent flows strikes on another relative inside wall earlier, outwards flow again, the effect that slows down wind-force can play, the foreign matter also is difficult to enter into the host computer body from the exhaust vent.

Description

Hand-held electric dust-removing duster with dust-absorbing and filtering functions

Technical Field

The utility model relates to a duster, in particular to a hand-held electric duster with dust absorption and filtration functions.

Background

The dust removal duster is used for cleaning various furniture, electrical appliances and the like, generally refers to a feather duster, static electricity generated by the feather duster through friction can adsorb dust on the surface of an object, but the electrostatic adsorption of the feather duster is limited, the adsorption quantity can easily reach saturation, and the dust on the feather duster can be shaken off after the feather duster is used up, so that the dust is easy to fly for the second time, and the dust removal significance is lost.

The existing handheld electric dust removal duster is added with the dust collection function on the basis of the original duster dust, and can be used as an electric dust collector by replacing a functional head, so that the handheld electric dust removal duster is flexible to use and has various functions.

For example, a hand-held electric rotary dust-removing duster disclosed in the patent publication number CN211460044U comprises a handle, wherein a fan blade, a driver and a power supply are arranged in the handle, the handle is provided with an air exhaust port and an air suction port for circulating air flow inside and outside the handle, the air suction port is provided with a filter element, the driver drives the fan blade to rotate for dust collection, when the handle is connected with a first functional head, the first functional head comprises a duster rod and a speed reducing mechanism for reducing the rotating speed of the duster rod, and the driver drives the fan blade and the duster rod to rotate simultaneously for dust removal and dust collection; when the handle is connected with the second functional head, the second functional head comprises a dust plug and a dust collection head and is used as a dust collector.

The existing dedusting duster has the following problems: the air exhaust port is arranged on the side wall of the handle, when the hand is held on the handle for use, air exhausted from the air exhaust port directly blows the hand holding the handle, the comfort is poor, a user can freeze the hand particularly in winter, the air exhaust port which is opened on the side easily enters foreign matters, the interior of the handle makes abnormal sound, and the service life of the handle can be shortened.

SUMMERY OF THE UTILITY MODEL

Based on above-mentioned venthole side is opened, and the comfort is not good, and gets into the foreign matter easily etc. not enough, the utility model provides a hand-held type electric dust removal duster with dust absorption filtering capability.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: hand-held type electric dust removal whisk with dust absorption filtering capability, including the host computer body and the detachable function head of connecting at host computer body front end, the overhead dust absorption mouth that is equipped with of function, the internal driver and the impeller of being equipped with of host computer, the impeller is rotatory by the driver drive, its characterized in that, be equipped with the annular groove on the lateral wall of the host computer body, the host computer body part at annular groove rear is used for the hand to hold as holding the position, be equipped with the exhaust vent in the intercommunication host computer on the inside wall of annular groove, with outside air from the dust absorption mouth when the impeller is rotatory internal, the exhaust vent is arranged in the annular groove of the internal air current outflow outside of host computer.

The utility model discloses further preferred technical scheme does: the main engine body includes impeller case and handle, and the handle is connected in the rear end of impeller case, function head detachable connects the front end at the impeller case, and the impeller case encloses with the handle and closes and form annular groove, annular groove are located between impeller case and the handle, the impeller sets up at the impeller incasement internal rotation, the exhaust vent is located the rear of impeller.

The utility model discloses further preferred technical scheme does: the function head has the inner chamber, the impeller casing front end has the opening that communicates function head and impeller casing, is equipped with the filter core in the opening of impeller casing front end, is equipped with first sand grip on the inner wall of impeller casing, and first sand grip is arranged in to the filter core, be equipped with the second sand grip on the inner wall of function head, when function head is connected on the impeller casing the second sand grip sticiss the filter core on first sand grip fixed, and the filter core interval is between function head and impeller casing to enclose with the inner chamber of function head and close and form the dust storage chamber, inhale the air in the function head and flow into the impeller casing through the filter core.

The utility model discloses further preferred technical scheme does: the rear end of impeller case inserts in the handle and is connected with the handle, the front end of handle is equipped with and supplies impeller case rear end male through-hole, the rear end of impeller case is equipped with anticreep portion, and the anticreep position is located the handle, the size of anticreep portion is greater than the aperture of through-hole, be equipped with the slot in the anticreep portion, be equipped with the inserted block on the inner wall of handle, the relative motion of restriction handle and impeller case in the inserted block inserted slot.

The utility model discloses further preferred technical scheme does: the rear end of the impeller box is provided with an insertion part with the diameter smaller than that of the impeller box, the insertion part is inserted into the handle from the through hole, the anti-falling part is arranged on the insertion end of the insertion part inserted into the handle, and the rear end face of the impeller box, the front end face of the handle and the insertion part are enclosed to form the annular groove.

The utility model discloses further preferred technical scheme does: the driver is installed in the handle, and the output shaft of driver stretches into in the impeller case and is connected with the impeller, install the battery in the handle, battery and driver make electronic dust removal whisk focus fall on handle department.

The utility model discloses further preferred technical scheme does: the function head includes first function head or second function head, and first function head and the first front end at the host computer body of connection of second function head alternative, first function head include the dust absorption head, and the dust absorption head is connected and is formed the dust catcher with the host computer body combination on the host computer body and be used for the dust absorption, and second function head includes the skull, installs rotatable connecting rod in the skull, and the connecting rod stretches out from the front end of skull and is used for connecting the feather duster head, when the skull is connected on the host computer body the connecting rod couples with the driver to the driver can drive the connecting rod and rotate, the skull forms the feather duster with the host computer body combination and is used for dusting and dust removal.

The utility model discloses further preferred technical scheme does: the impeller is an axial flow impeller.

The utility model discloses further preferred technical scheme does: and a plurality of air outlet holes are formed in the inner side wall of the ring of the annular groove.

The utility model discloses further preferred technical scheme does: the handle is provided with a power button and a charging interface, a circuit board is arranged in the handle, and the power button and the charging interface are electrically connected with the circuit board.

Compared with the prior art, the utility model has the advantages that be equipped with the annular groove on the lateral wall of the host computer body, the host computer body part at annular groove rear is used for the hand to hold as holding the position, be equipped with the exhaust vent in the intercommunication host computer on the inside wall of annular groove, inhale the host computer internally with outside air from the dust absorption mouth during the impeller is rotatory, the exhaust vent is arranged in the air current in the host computer body flows to outside annular groove, the user holds the position of holding at annular groove rear during the use, exhaust air of exhaust vent enters into annular groove earlier, with the air mixing contact in the annular groove, flow to the external world in the annular groove again, avoid blowing directly and the discomfort that brings, and the air current that the exhaust vent flows strikes earlier on another inside wall that the exhaust vent is relative, outwards flow again, can play the effect that slows down wind-force, make the wind that blows off be difficult to let the people feel uncomfortable.

In addition, the exhaust vent sets up in annular groove, and the foreign matter is difficult to enter into the host computer body from the exhaust vent, prevents that inside from sending abnormal sound, and can improve life.

Drawings

The present invention will be described in further detail below with reference to the drawings and preferred embodiments, but those skilled in the art will appreciate that the drawings are only drawn for the purpose of explaining the preferred embodiments, and therefore should not be taken as limiting the scope of the present invention. Furthermore, unless specifically stated otherwise, the drawings are merely schematic representations based on the concept of a composition or construction of the object being described and may include exaggerated displays and are not necessarily drawn to scale.

FIG. 1 is a first overall state diagram of the main body when a first functional head is installed;

FIG. 2 is a second overall view of the main body with the first functional head mounted thereon;

FIG. 3 is a cut-away view of the main body with the first functional head mounted thereon;

FIG. 4 is a three-stage exploded view of the main body with the first functional head mounted thereon;

FIG. 5 is a first schematic structural view of an impeller housing;

FIG. 6 is a second schematic structural view of the impeller housing;

FIG. 7 is a view of the internal structure of the first functional head;

FIG. 8 is a first view showing the overall state of the main body when the second functional head is mounted thereon;

FIG. 9 is a second view showing the overall state of the main body when the second functional head is mounted thereon;

fig. 10 is a sectional view of the main body when the second functional head is mounted.

In the figure: 1. a dust collection head; 2. an impeller case; 3. an annular groove; 4. an air outlet; 5. a power button; 6. a charging interface; 7. a main body; 8. a grip; 9. a dust suction port; 10. a dust storage chamber; 11. a second convex strip; 12. a filter element; 13. a first rib; 14. a second through hole; 15. a drive shaft; 16. an impeller; 17. an insertion portion; 18. a communicating hole; 19. an anti-drop part; 20. a motor sleeving groove; 21. a slot; 22. inserting a block; 23. a drive motor; 24. a battery; 25. a first through hole; 26. a left half shell; 27. a right half shell; 28. a rear cover; 29. a head cover; 30. a connecting rod; 31. an extension opening; 32. and a planetary gear reducer.

Detailed Description

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. Those skilled in the art will appreciate that the description is illustrative, exemplary only, and should not be construed as limiting the scope of the invention.

It should be noted that: like reference numerals refer to like items in the following figures, and thus, once an item is defined in one figure, it may not be further defined and explained in subsequent figures.

As shown in fig. 1-10, the hand-held electric duster with dust-absorbing and filtering function comprises a main body 7 and a functional head detachably connected to the front end of the main body 7.

As shown in fig. 3, the functional head is provided with a dust suction port 9, a driver and an impeller 16 are arranged in the main body 7, the impeller 16 is driven by the driver to rotate, the side wall of the main body 7 is provided with an annular groove 3, the part of the main body 7 behind the annular groove 3 is used as a holding part for hand holding, and the inner side wall of the annular groove 3 is provided with an air outlet 4 communicated with the inside of the main body 7.

Preferably, the driver is a driving motor 23, an output shaft of the driving motor 23 is connected to the impeller 16, and the driving motor 23 can drive the impeller 16 to rotate to suck air into the main body 7.

When a user holds the holding part with a hand to suck dust, the driving motor 23 is started, the driving motor 23 drives the impeller 16 to rotate, external air and dust are sucked into the functional head from the dust suction port 9 when the impeller 16 rotates, the air flows into the main machine body 7 from the functional head, flows out of the annular groove 3 from the air outlet 4 to be mixed with external air, and finally is discharged from the notch of the annular groove 3. The air that exhaust vent 4 was discharged enters into annular groove 3 earlier, mixes the contact with the air in the annular groove 3, flows out to the external world from annular groove 3 again, avoids directly blowing and the discomfort that brings to the air current that exhaust vent 4 flows strikes on another inside wall that exhaust vent 4 is relative earlier, outwards flows again, can play the effect that slows down wind-force, makes the wind that blows off be difficult to let the people feel uncomfortable. In addition, the exhaust vent 4 sets up in annular groove 3, and the foreign matter is difficult to enter into main engine body 7 from exhaust vent 4 in, prevents that inside from sending abnormal sound, and can improve life.

As shown in fig. 1 and 6, preferably, a plurality of air outlets 4 are formed in the inner side wall of the ring-shaped groove 3, and the air outlets 4 are uniformly formed in the inner wall of one side of the ring-shaped groove 3. The air flow in the main machine body 7 can flow out from each air outlet 4, the shunting effect is achieved, the wind power is reduced, and therefore the discomfort of a user blown by the wind is reduced.

As shown in fig. 4, in detail, the main body 7 includes an impeller case 2 and a handle 8, the handle 8 is connected to a rear end of the impeller case 2, the functional head is detachably connected to a front end of the impeller case 2, the impeller case 2 and the handle 8 enclose the annular groove 3, the annular groove 3 is located between the impeller case 2 and the handle 8, the impeller 16 is rotatably disposed in the impeller case 2, the air outlet 4 is located behind the impeller 16, and the handle 8 serves as a holding portion for holding a hand. The whole body is arranged into a three-section structure which is respectively a functional head, the impeller case 2 and the handle 8, so that the whole function distribution is more reasonable, and the impeller case 2 is additionally provided with an installation space.

Preferably, the impeller 16 is an axial flow impeller which can cause the air sucked into the main body 7 to flow in the axial direction and discharge the air through the air outlet 4 at the rear of the impeller 16. The axial flow impeller 16 is designed to reduce the noise during operation and to match the position of the outlet opening 4.

As shown in fig. 6, preferably, the rear end of the impeller case 2 is inserted into the grip 8 and connected to the grip 8, the front end of the grip 8 is provided with a first through hole 25 into which the rear end of the impeller case 2 is inserted, the rear end of the impeller case 2 is provided with a stopper 19, the stopper 19 is positioned in the grip 8, the stopper 19 is larger than the diameter of the first through hole 25, and the stopper 19 prevents the rear end of the impeller case 2 from being separated from the first through hole 25.

The retaining part 19 is cylindrical, a slot 21 is formed in the circumferential side wall of the retaining part 19, two sides of the slot 21 penetrate through the side wall of the retaining part 19, an insert 22 is arranged on the inner wall of the handle 8, the insert 22 is inserted into the slot 21 to limit the relative movement between the handle 8 and the impeller case 2, and the width of the insert 22 is equal to the width of the slot 21.

The handle 8 comprises a left half shell 26, a right half shell 27 and a rear cover 28, wherein the left half shell 26 and the right half shell 27 are connected together in a snap-fit manner, and the rear cover 28 is sleeved at the rear ends of the left half shell 26 and the right half shell 27 and is connected with the left half shell 26 and the right half shell 27 in a snap-fit manner.

When the left half shell 26 and the right half shell 27 are fitted outside the anti-slip portion 19 and closed, the insertion block 22 on the inner wall of the grip 8 is inserted into the insertion groove 21 in a lateral direction, facilitating the connection between the impeller case 2 and the grip 8.

As shown in fig. 3, a convex insertion portion 17 is provided at the rear end of the impeller case 2, the insertion portion 17 and the impeller case 2 are cylinders with different diameters, the diameter of the insertion portion 17 is smaller than that of the impeller case 2, the insertion portion 17 is inserted into the grip 8 through a first through hole 25, the shape of the first through hole 25 is matched with that of the insertion portion 17, the anti-drop portion 19 is provided at the insertion end of the insertion portion 17 inserted into the grip 8, the annular groove 3 is formed by the surrounding of the rear end face of the impeller case 2, the front end face of the grip 8 and the side wall of the insertion portion 17, and the air outlet 4 is provided at the rear end face of the impeller case 2.

In addition, the driver is installed in the handle 8, the output shaft of the driver extends into the impeller box 2 from the handle 8 to be connected with the impeller 16, the end part of the anti-falling part 19 is provided with a motor sleeve groove 20, the motor sleeve groove 20 is sleeved on the outer side of the driving motor 23, the driving motor 23 is fixedly connected with the anti-falling part 19 through screws, the upper bottom of the motor sleeve groove 20 is provided with a communicating hole 18 to communicate the motor sleeve groove 20 with the impeller box 2, and the output shaft of the driving motor 23 penetrates through the communicating hole 18 to extend into the impeller box 2 to be connected with the impeller 16.

Be equipped with the battery chamber in the handle 8, install battery 24 in the battery chamber, battery 24 is as power supply, and battery 24 and driver all set up in handle 8, make the focus that electronic dust removal was whisked drop on handle 8 department, and it is more laborsaving when the user holds handle 8 and uses, and the counter weight is more reasonable to promote and hold the sense, accord with human engineering more.

As shown in fig. 7, in addition, an inner cavity is formed in the function head, the dust suction port 9 communicates with the inner cavity, the inner cavity has a cavity opening formed at the rear end of the function head, the front end of the impeller casing 2 has an opening, and when the function head is connected to the front end of the impeller casing 2, the opening at the front end of the impeller casing 2 is in butt communication with the cavity opening at the rear end of the function head, so that the inside of the function head and the inside of the impeller casing 2 communicate with each other.

Fig. 3 shows, be equipped with filter core 12 in the opening of impeller case 2 front end, filter core 12 includes support ring and lower support ring, be equipped with the filter screen between support ring and the lower support ring, the upper and lower both ends of filter screen are connected respectively on upper support ring and lower support ring, be equipped with a plurality of first sand grip 13 on the inner wall of impeller case 2, the quantity of first sand grip 13 is four, the border of going up the support ring is arranged in on first sand grip 13, be equipped with second sand grip 11 on the inner wall of function head, the quantity of second sand grip 11 is two, second sand grip 11 stretches into in the impeller case 2 and presses the top at the support ring when the function head is connected on impeller case 2, second sand grip 11 sticiss filter core 12 on first sand grip 13 fixedly, filter core 12 interval is between function head and impeller case 2, and enclose with the inner chamber of function head and close formation dust storage chamber 10, the air that inhales in the function head flows into in the impeller case 2 through filter core 12.

Preferably, the cartridge 12 is of a trumpet-like construction.

When the dust collector is used, air and dust are sucked into the dust storage cavity 10 from the dust suction port 9, the air enters the impeller box 2 after being filtered by the filter element 12 and is discharged from the air outlet 4, the dust and particles are deposited in the dust storage cavity 10 after being filtered by the filter element 12, and the dust and particles in the dust storage cavity 10 can be poured out by detaching the functional head.

The filter element 12 is arranged in the impeller box 2, and only the head needs to be replaced when the function head is replaced, and the function head does not need to be replaced together with the filter element 12, so that the function head is more convenient to replace.

The functional head comprises a first functional head or a second functional head, and the first functional head and the second functional head are selected to be connected with the front end of the main machine body 7.

As shown in fig. 1-7, the first functional head includes a dust collection head 1, the dust collection head 1 is the same as the dust collection head 1 of the existing handheld dust collector, a large-caliber dust collection port 9 is arranged at the front end of the dust collection head 1, and the dust collection head 1 is detachably connected to the main machine body 7 and is combined with the main machine body 7 to form a dust collector for collecting dust.

As shown in fig. 8-10, the second functional head includes a head cover 29, a rotatable connecting rod 30 is installed in the head cover 29, specifically, a planetary gear reducer 32 is fixedly installed in the head cover 29, one end of the connecting rod 30 is connected with the output end of the planetary gear reducer 32 and can be driven by the output end of the planetary gear reducer 32 to rotate, the other end of the connecting rod 30 extends from the front end of the head cover 29 for connecting with the feather duster head, the front end of the head cover 29 has an extension opening 31 for extending the connecting rod 30, and the front end face of the head cover 29 is provided with a plurality of small-bore dust suction openings 9, when the head cover 29 is connected to the main body 7, the input end of the planetary gear reducer 32 is connected with the output shaft of the driving motor 23, specifically, the impeller 16 is provided with a raised transmission shaft 15, the transmission shaft 15 penetrates through a second through hole 14 in the center of the filter element 12, the diameter of the second through hole 14 is the same as that of the transmission shaft 15, when the head cover 29 is connected to the main machine body 7, the input end of the planetary gear reducer 32 is inserted into the transmission shaft 15 and is in transmission connection with the transmission shaft 15, the driving motor 23 drives the impeller 16 and the transmission shaft 15 to rotate, so that the output shaft of the planetary gear reducer 32 drives the connecting rod 30 to rotate, the connecting rod 30 drives the external feather duster head to rotate, the feather duster head is used for rotating and dusting, in the dusting process, the impeller 16 rotates to suck dust into the dust storage cavity 10, and the head cover 29 and the main machine body 7 are combined to form a feather duster for dusting and dedusting.

Preferably, the first functional head and the second functional head are both in threaded connection with the impeller box 2, and one of two different functional heads is connected with the impeller box 2, so that the two functions are achieved, a user can select and use the two functional heads according to requirements, and the applicability is stronger.

In addition, be equipped with power button 5 on the handle 8 and charge interface 6, be equipped with the circuit board in the handle 8, power button 5, charge interface 6, battery 24 and driving motor 23 all are connected with the circuit board electricity.

The charging interface 6 is a TYPE C interface and is used for connecting a data line for charging, and the power button 5 is used for controlling starting or stopping.

It is right above the utility model provides a hand-held type electric dust removal whisk with dust absorption filtering capability introduces, and it is right to have used specific individual example in this paper the utility model discloses a principle and implementation mode have been elucidated, and the description of above embodiment only is used for helping understanding the utility model discloses and core thought. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims (10)

1. Hand-held type electric dust removal whisk with dust absorption filtering capability, including the host computer body and the detachable function head of connecting at host computer body front end, the overhead dust absorption mouth that is equipped with of function, the internal driver and the impeller of being equipped with of host computer, the impeller is rotatory by the driver drive, its characterized in that, be equipped with the annular groove on the lateral wall of the host computer body, the host computer body part at annular groove rear is used for the hand to hold as holding the position, be equipped with the exhaust vent in the intercommunication host computer on the inside wall of annular groove, with outside air from the dust absorption mouth when the impeller is rotatory internal, the exhaust vent is arranged in the annular groove of the internal air current outflow outside of host computer.

2. The hand-held electric dust removal duster with dust collection and filtration functions of claim 1, wherein the main body comprises an impeller box and a handle, the handle is connected to the rear end of the impeller box, the functional head is detachably connected to the front end of the impeller box, the impeller box and the handle enclose to form the annular groove, the annular groove is located between the impeller box and the handle, the impeller is arranged in the impeller box to rotate, and the air outlet is located behind the impeller.

3. The hand-held electric dust removal duster with dust collection and filtration functions of claim 2, wherein the functional head has an inner cavity, the front end of the impeller box has an opening for communicating the functional head with the impeller box, a filter element is arranged in the opening at the front end of the impeller box, a first rib is arranged on the inner wall of the impeller box, the filter element is arranged in the first rib, a second rib is arranged on the inner wall of the functional head, the second rib presses the filter element tightly on the first rib for fixation when the functional head is connected to the impeller box, the filter element is spaced between the functional head and the impeller box and forms a dust storage cavity with the inner cavity of the functional head, and air sucked into the functional head flows into the impeller box through the filter element.

4. The hand-held electric dust removal duster with dust absorption and filtration functions as claimed in claim 2, wherein the rear end of the impeller box is inserted into the grip and connected with the grip, the front end of the grip is provided with a through hole for inserting the rear end of the impeller box, the rear end of the impeller box is provided with an anti-drop part, the anti-drop part is positioned in the grip, the size of the anti-drop part is larger than the aperture of the through hole, the anti-drop part is provided with a slot, the inner wall of the grip is provided with an insert block, and the insert block is inserted into the slot to limit the relative motion of the grip and the impeller box.

5. The hand-held electric dust removing duster according to claim 4, wherein the rear end of the impeller case is provided with an insertion part with a diameter smaller than that of the impeller case, the insertion part is inserted into the handle through the through hole, the anti-drop part is arranged at the insertion end of the insertion part inserted into the handle, and the rear end face of the impeller case, the front end face of the handle and the insertion part enclose the annular groove.

6. The hand-held electric dust removing duster according to claim 2, wherein the driver is installed in the handle, the output shaft of the driver extends into the impeller box and connects with the impeller, the handle is installed with the battery, and the battery and the driver make the center of gravity of the electric dust removing duster fall on the handle.

7. The hand-held electric dust removing duster with dust absorption and filtration functions of claim 1, wherein the function head comprises a first function head or a second function head, the first function head and the second function head are selectively connected with the front end of the main body, the first function head comprises a dust absorption head, the dust absorption head is connected with the main body to form a dust collector for dust absorption in combination with the main body, the second function head comprises a head cover, a rotatable connecting rod is installed in the head cover, the connecting rod extends out of the front end of the head cover to be connected with the feather duster head, the connecting rod is connected with a driver when the head cover is connected with the main body, the driver can drive the connecting rod to rotate, the head cover and the main body are combined to form the feather duster for dusting and dust removal.

8. The hand-held electric duster according to claim 1 or 2, wherein the impeller is axial flow impeller.

9. The hand-held electric dust removing duster according to claim 1, wherein a plurality of air outlet holes are arranged on the inner side wall of the ring-shaped groove.

10. The hand-held electric dust removing duster with dust collecting and filtering functions as claimed in claim 2, wherein the handle is provided with a power button and a charging interface, the handle is internally provided with a circuit board, and the power button and the charging interface are both electrically connected with the circuit board.

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