CN116076943A - hand cleaner - Google Patents

Abstract

The invention relates to the technical field of household appliances, in particular to a handheld cleaner. The invention aims to solve the technical problem of poor using effect caused by unreasonable structural layout of the existing handheld cleaner. To this end, the present invention provides a hand-held cleaner comprising: the front end of the dust collection device forms a dust collection end, and a dust collection cavity communicated with the dust collection end is formed in the dust collection device; the air suction device is arranged on the side wall of the dust collection device; the dust storage device is arranged at the tail end of the dust collection device, the dust storage device is respectively communicated with the dust collection cavity and the air suction device, and the dust storage device is provided with a dust pouring cover. According to the handheld cleaner, the dust collection device, the air suction device and the dust storage device are reasonably arranged, the dust storage device is arranged at the tail end of the dust collection device, and when a user needs to clean the handheld cleaner, dust in the dust storage device can be poured out in a mode of opening the dust pouring cover, so that the use experience of the user is improved.

Description

hand cleaner

technical field

The invention relates to the technical field of cleaning equipment, in particular to a hand-held cleaner.

Background technique

This section provides background information related to the present disclosure only and is not necessarily prior art.

With the improvement of people's living standards, human cleaning work is increasingly replaced by household appliances such as hand-held vacuum cleaners, which bring great convenience to people's lives. However, due to the immaturity of these cleaning appliances, some problems that the machines cannot solve independently will be encountered in the cleaning work. For example, as shown in FIG. 1, a problem often encountered when using a hand-held vacuum cleaner 100' is that the layout of the suction pipe 10', the dust cylinder 20' and the motor 30' of the hand-held vacuum cleaner 100' is unreasonable, and the user needs to unplug the suction pipe when emptying the ashes. 10' or accessories before pouring ash. This problem has been affecting the user experience for a long time and has not been completely resolved.

Contents of the invention

The present invention aims to solve the technical problem of inconvenient use caused by unreasonable structural layout of the existing hand-held cleaners at least to a certain extent.

In order to achieve the above object, the present invention provides a hand-held cleaner, comprising: a dust suction device, the front end of the dust suction device forms a dust suction end, and the inside of the dust suction device forms a dust suction cavity communicated with the dust suction end; the air suction device , the suction device is arranged on the side wall of the dust collection device; the dust storage device, the dust storage device is arranged at the tail end of the dust collection device, the dust storage device is respectively connected with the dust suction chamber and the suction device, and the dust storage device is provided with an inverted dust cover.

The hand-held cleaner provided by the present invention arranges the dust-storage device at the tail end of the dust-storage device by rationally arranging the positional relationship of the dust-absorbing device, the air-suction device, and the dust-storing device. When the user needs to clean the hand-held cleaner, it can The dust in the dust storage device is poured out by opening the dust cover, so as to improve user experience.

In addition, the above-mentioned handheld cleaner according to the present invention can also have the following additional technical features:

According to an embodiment of the present invention, both the dust suction device and the air suction device are arranged in a cylindrical structure, and the axial direction of the air suction device is parallel to the axial direction of the dust suction device.

According to an embodiment of the present invention, the air suction device includes a fan housing and a fan disposed in the fan housing, and the fan housing is closely arranged on a side wall of the dust suction device.

According to an embodiment of the present invention, the dust storage device includes a dust cup and a ventilation cover arranged on the top of the dust cup, the dust suction device is connected to the side wall of the dust cup, and the air suction device is connected to the ventilation cover.

According to an embodiment of the present invention, the bottom of the dust cup is inclined away from the dust suction device and the wind suction device, and the dust cover is arranged on the bottom of the dust cup.

According to an embodiment of the present invention, the ventilation cover is inclined towards the direction of the suction device, the suction device is connected to the ventilation cover through the air pipe, and the air pipe is arranged as a structure without bends.

According to an embodiment of the present invention, the dust cup and the dust suction device are arranged at an obtuse angle, the dust suction device is connected to the side wall of the dust cup through a dust pipe, and the dust pipe is arranged in a structure without bends.

According to an embodiment of the present invention, both sides of the dust suction device are connected to the side wall of the dust cup through two dust pipes.

According to an embodiment of the present invention, the axial direction of the dust pipe is perpendicular to the axial direction of the ventilation cover, and the dust in the dust pipe flows to the ventilation cover through a right-angle flow path in the dust cup.

According to an embodiment of the present invention, the inside of the ventilation cover is provided with a filter assembly located in the dust cup, and the filter assembly is detachably installed on the ventilation cover from the dust outlet of the dust discharge cover.

According to an embodiment of the present invention, the hand-held cleaner further includes a separation cylinder disposed inside the dust cup, the mouth of the separation cylinder is connected to the filter assembly, and the axial direction of the separation cylinder is consistent with the axial direction of the filter assembly.

According to an embodiment of the present invention, the hand-held cleaner further includes a handle connecting the air suction device and the dust storage device, the handle includes a first handle part arranged parallel to the dust storage device and a second handle part arranged at an angle to the air suction device. handlebars.

Description of drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiment. The drawings are only for the purpose of illustrating a preferred embodiment and are not to be considered as limiting the invention. Also throughout the drawings, the same reference numerals are used to designate the same parts. In the attached picture:

Fig. 1 is a schematic structural view of a hand-held vacuum cleaner in the prior art;

Fig. 2 is a schematic structural view of a hand-held cleaner according to an embodiment of the present invention;

Fig. 3 is a sectional view of the handheld cleaner shown in Fig. 2;

Fig. 4 is a schematic structural view of the hand-held cleaner shown in Fig. 2 in a state of dumping dust.

Wherein, the reference signs are as follows:

100', hand-held vacuum cleaner; 10', suction pipe; 20', dust cylinder; 30', motor;

100. Hand-held cleaners;

10. Vacuum suction tube; 11. Intubation tube; 12. Button;

20. Suction device; 21. Air duct;

30. Dust storage device; 31. Dust cover; 32. Ventilation cover; 33. Separator; 331. Skirt; 34. Filter assembly;

40. Dust suction device; 41. Dust pipe; 42. Butt joint; 43. Lock pin;

50. Handle; 51. First grip part; 52. Second grip part.

Detailed ways

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided for more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art. It should be noted that the present invention uses a hand-held vacuum cleaner to explain that the hand-held cleaner is only a preferred embodiment of the present invention, and does not limit the scope of protection of the hand-held cleaner in the present invention. For example, the hand-held cleaner of the present invention can also be a hand-held blower etc., this adjustment belongs to the protection scope of the present invention.

It should be understood that the terminology used herein is for the purpose of describing particular example embodiments only and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" may also be meant to include the plural forms unless the context clearly dictates otherwise. The terms "comprising", "comprising" and "having" are inclusive and thus indicate the presence of stated features, elements and/or components, but do not exclude the presence or addition of one or more other features, elements, components , and/or combinations thereof.

In the description of the present invention, unless otherwise clearly stipulated and limited, the terms "setting" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be directly or indirectly through an intermediary. Those skilled in the art can understand the specific meanings of the above terms in the present invention according to specific situations.

For the convenience of description, spatial relative terms may be used herein to describe the relationship of one element or feature as shown in the figures with respect to another element or feature, such as "inner", "upper", "lower", etc. ", "bottom", "side", "end", "surrounding", "outside" and so on. Such spatially relative terms are intended to encompass different orientations of the mechanism in use or operation in addition to the orientation depicted in the figures. For example, if the mechanism in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" or "beneath" the other elements or features. feature above". Thus, the example term "below" can encompass both an orientation of above and below. The mechanisms may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

As shown in Figures 2 to 4, the present invention provides a hand-held cleaner 100, comprising a dust suction device 40, an air suction device 20 and a dust storage device 30, the front end of the dust suction device 40 forms a dust suction end, and the dust suction device The inside of 40 forms a dust suction cavity communicated with the dust suction end, the air suction device 20 is arranged on the side wall of the dust suction device 40, the dust storage device 30 is arranged at the tail end of the dust suction device 40, and the dust storage device 30 is connected with the dust suction device respectively. The cavity communicates with the dust suction device 40 , and the dust storage device 30 is provided with a dust dump cover 31 .

The hand-held cleaner 100 provided by the present invention rationally arranges the positional relationship of the dust suction device 40, the air suction device 20, and the dust storage device 30. The components above interfere with the dust collection device 40, so that when the user needs to clean the hand-held cleaner 100, the user can only pour out the dust in the dust storage device 30 by opening the dust cover 31, thereby improving the user's use experience.

The hand-held cleaner 100 of the present invention can be selected as a hand-held vacuum cleaner and a hand-held blower. In order to facilitate the description of the specific structure and technical effects of the hand-held cleaner 100, the hand-held vacuum cleaner is used as a preferred embodiment for illustration.

Continuing to refer to FIG. 2 to FIG. 4 , according to an embodiment of the present invention, both the dust suction device 40 and the air suction device 20 are arranged in a cylindrical structure, and the axial direction of the air suction device 20 is parallel to the axial direction of the dust suction device 40 .

In this embodiment, by arranging the suction device 20 and the dust suction device 40 in a parallel structure, the structure compactness of the hand-held cleaner 100 can be improved, and the occupied space of the hand-held cleaner 100 can be reduced. Further, setting the air suction device 20 and the dust suction device 40 in a roughly parallel structure can make the air suction device 20 and the dust suction device 40 communicate with the dust storage device 30 on the same side, so as to facilitate the layout of the dust storage device 30 and the dust storage device 40. A connecting channel between the air suction device 20 and the dust suction device 40 .

Specifically, according to an embodiment of the present invention, the air suction device 20 includes a fan housing and a fan disposed in the fan housing, the fan and the fan housing are both arranged in a cylindrical structure, and the fan and the fan housing are all laid flat. The shape is closely attached to the side wall of the dust suction device 40 .

The fan casing is provided with an air suction port and an air exhaust port. The air suction port is arranged at the end of the fan casing close to the dust storage device 30 in the axial direction, and the air exhaust port is arranged at the side of the fan casing. The air in the device 30 is then discharged through the air outlet, so that the inside of the dust storage device 30 forms a negative pressure state, and the dust storage device 30 sucks the surrounding dust through the dust suction device 40 through the internal negative pressure, In order to achieve the purpose of cleaning dust.

According to an embodiment of the present invention, the dust storage device 30 includes a dust cup and a ventilation cover 32 arranged on the top of the dust cup, the dust suction device 40 communicates with the side wall of the dust cup, and the air suction device 20 communicates with the ventilation cover 32 .

In this embodiment, during the use of the hand-held cleaner 100, the air suction device 20 extracts the air inside the dust cup through the ventilation cover 32, so that the inside of the dust cup forms a negative pressure, and the dust suction device 40 creates a negative pressure in the dust cup. The dust at the dust suction cavity and the dust suction end of the dust suction device 40 is sucked under the action of the suction, and finally the purpose of absorbing the dust into the dust storage device 30 is achieved.

Since the air suction port is located on the top of the dust cup and the dust inlet is located on the side wall of the dust cup, an airflow path with a certain distance can be formed inside the dust cup, and the dust entering the dust cup can be deposited in the airflow path inside the dust cup to This reduces the phenomenon that a large amount of dust flows to the ventilation cover 32 and blocks the ventilation cover 32 or the suction device 20 .

Specifically, there is a height difference between the side wall of the dust cup and the top of the dust cup, and when the dust in the dust cup flows along the airflow path in the dust cup, the dust can move under its own gravity and the internal barrier. Fall to the bottom of the dust cup under the action, reduce the phenomenon that a large amount of dust flows to the ventilation cover 32 and cause the ventilation cover 32 to block with this.

According to an embodiment of the present invention, the dust storage device 30 is arranged at an obtuse angle with the dust suction device 40 and the suction device 20, the bottom of the dust cup is inclined away from the dust suction device 40 and the suction device 20, and the dust cover is inverted 31 is arranged on the bottom of dust cup.

In this embodiment, by setting the bottom of the dust cup to be inclined away from the dust suction device 40 and the air suction device 20, it is possible to reduce the phenomenon that other parts on the hand-held cleaner 100 interfere with the switch of the dust cover 31, thereby When the user needs to clean the hand-held cleaner 100, the user can pour out the dust in the dust storage device 30 by opening the dust cover 31, so as to improve the user experience.

Further, since the dust suction device 40 is connected to the side wall of the dust cup, the air suction device 20 is connected to the top of the dust cup, and the dust suction device 40 and the wind suction device 20 are arranged in parallel. , it can facilitate the communication between the dust cup and the dust suction device 40 and the air suction device 20 respectively, and reduce the communication complexity and communication resistance between the dust cup and the dust suction device 40 and/or the wind suction device 20 .

Specifically, since the dust suction device 40 and the air suction device 20 communicate with the dust storage device 30 at two mutually perpendicular positions of the dust storage device 30, in order to reduce the dust collection device 40 and/or the wind suction device 20 in contact with the dust storage device, During the communication process of the device 30, the channel is bent to improve the smoothness of the connection between the dust suction device 40 and/or the air suction device 20 and the dust storage device 30. The dust device 30, the dust suction device 40 and the air suction device 20 are all arranged at an obtuse angle, so as to facilitate the communication between the dust storage device 30, the dust suction device 40 and the air suction device 20.

According to an embodiment of the present invention, the ventilation cover 32 is inclined towards the direction of the suction device 20, the suction device 20 communicates with the ventilation cover 32 through the air pipe 21, and the air pipe 21 is configured as a structure without bends.

In this embodiment, by setting the dust storage device 30 in an inclined state, the ventilation cover 32 of the dust storage device 30 can be inclined in the direction of the air suction device 20, in order to reduce the occurrence of bends between the ventilation cover 32 and the suction device 20. The angle structure, the air pipe 21 can be set as an inclined pipe, so as to compensate the angle difference between the ventilation cover 32 and the suction device 20, and can realize the smooth ventilation between the ventilation cover 32 and the suction device 20, and improve the air suction. The working efficiency of the device 20 is improved and the working noise is reduced.

Specifically, the air duct 21 can be selected as a connecting piece fixedly connected between the air suction device 20 and the ventilation cover 32 , and the inside of the connection piece forms an air duct communicating with the air suction device 20 and the ventilation cover 32 .

According to an embodiment of the present invention, the dust cup and the dust suction device 40 are arranged at an obtuse angle, and the dust suction device 40 is connected to the side wall of the dust cup through the dust pipe 41, and the dust pipe 41 is arranged as a structure without an angle.

In this embodiment, since the dust storage device 30 is set to an inclined state, it is convenient for the air suction device 20 to communicate with the ventilation cover 32. In the embodiment of the application, the dust storage device 30 is set to an inclined state. At the same time, in order to reduce the The dust pipe 41 between the side wall of the dust cup and the dust suction device 40 has an angled structure, and the dust pipe 41 can also be set as an inclined pipe to compensate for the gap between the side wall of the dust cup and the dust suction device 40. Angle difference, and can realize the smooth dust between the dust cup and the dust collection device 40, improve the working efficiency of the dust collection device 40, reduce working noise and reduce dust accumulation inside the dust pipe 41.

According to an embodiment of the present invention, both sides of the dust suction device 40 are connected to the side wall of the dust cup through two dust pipes 41 .

In this embodiment, the dust cup sucks the dust in the dust collection device 40 through the two dust pipes 41 on both sides of the dust suction device 40, which can not only improve the working efficiency of the hand-held cleaner 100, but also improve the performance of the hand-held cleaner 100. The working stability reduces the phenomena of severe local stress, loud local noise and local blockage in the process of the hand-held cleaner 100 sucking dust through the dust pipe 41 on one side.

According to an embodiment of the present invention, the axial direction of the dust pipe 41 is perpendicular to the axial direction of the ventilation cover 32 , and the dust in the dust pipe 41 flows to the ventilation cover 32 through a right-angle flow path in the dust cup.

In this embodiment, since the dust suction device 40 and the air suction device 20 communicate with the dust storage device 30 at two relatively vertical positions of the dust storage device 30, and the suction port of the dust storage device 30 is located on the top of the dust cup, The dust inlet of the dust storage device 30 is located on the side wall of the dust cup, so that an airflow path with a large corner can be formed inside the dust cup, and the dust entering the dust cup can be deposited on the airflow path inside the dust cup, thereby reducing a large amount of dust. The dust flows to the ventilation cover 32, and the phenomenon of blocking the ventilation cover 32 or the suction device 20 occurs.

The embodiment of the present application does not limit the molding method of the hand-held cleaner 100. According to the embodiment of the present application, the suction device 20, the dust storage device 30 and the dust suction device 40 of the hand-held cleaner 100 can be set as snap-in and detachable. The sub-connections can also be set as an integral injection molding structure, and these structural adjustments all belong to the protection scope of the embodiments of the present application.

Further, in order to reduce the phenomenon that the dust in the dust cup blocks the ventilation cover 32 and the suction device 20, according to an embodiment of the present invention, the inside of the ventilation cover 32 is provided with a filter assembly 34 located in the dust cup, and the filter assembly 34 can Set as a filter screen and a filter frame arranged around the filter screen, the air in the dust cup can flow to the suction device 20 through the filter assembly 34, and at the same time, the dust in the dust cup is blocked by the filter assembly 34 and falls to the dust cup bottom of. The filter assembly 34 is detachably installed on the inside of the ventilation cover 32 through the filter frame. When the filter assembly 34 accumulates a large amount of dust, the filter frame can facilitate the user to replace the expired and invalid filter assembly 34 in time.

Continue to refer to Fig. 2 to Fig. 4, according to an embodiment of the present invention, the hand-held cleaner 100 also includes a separation cylinder 33 arranged inside the dust cup, the mouth of the separation cylinder 33 is docked with the filter assembly 34, and the axial direction of the separation cylinder 33 Consistent with the axial direction of filter assembly 34.

In this embodiment, the cylinder wall of the separation cylinder 33 has a plurality of filter holes, and the plurality of filter holes are connected to the dust inlet on the side wall of the dust storage cup. The dust gas enters the interior of the dust cup through the dust inlet, and then part of the dust gas passes through The multiple filter holes of the separation cylinder 33 enter the interior of the separation cylinder 33, and the multiple filter holes of the separation cylinder 33 can initially filter the dust gas, filter the large particles of dust in the dust gas and discharge them into the bottom of the dust cup, and enter the separation cylinder The dust in 33 is blocked by the filter assembly 34 on the ventilation cover 32 and then falls to the bottom of the dust cup. The secondary filtration of the separation cylinder 33 and the filter assembly 34 achieves the purpose of filtering the dust in the dust gas and reduces the dust passing through the filter assembly 34. The phenomenon of flowing into the suction device 20.

Further, according to an embodiment of the present invention, a skirt plate 331 is also provided on the outer peripheral wall of the bottom of the separation cylinder 33, and a diversion slope is provided on the top of the skirt plate 331, and there is a flow gap between the skirt plate 331 and the inner wall of the dust cup, separating The skirt 331 provided around the cylinder 33 can guide the large particles of dust filtered out by the separation cylinder 33, so that the large particles of dust slide down to the periphery of the separation cylinder 33 along the diversion slope at the top of the skirt 331, thereby reducing A large amount of large particle dust accumulates below the separation cylinder 33 and causes the clogging phenomenon of the separation cylinder 33 .

The dust filtered by the filter assembly 34 on the ventilation cover 32 falls to the position directly below the separation cylinder 33, and is separated from the large particle dust filtered by the separation cylinder 33, so as to achieve uniform distribution inside the dust cup The purpose of dust is to reduce the uneven distribution of local dust inside the dust cup.

In addition, the ash cover covers the separation cylinder 33 and the skirt 331 around the separation cylinder 33, so that the dust falling through the separation cylinder 33 and the filter assembly 34 can all accumulate in the ash cover. When the user opens the ash cover, it can Smoothly discharge all the dust in the dust cup.

Continue to refer to Fig. 2 to Fig. 4, according to an embodiment of the present invention, in order to facilitate the user to operate the hand-held cleaner 100, the embodiment of the present invention also proposes a handle 50 arranged across the suction device 20 and the dust storage device 30, the handle 50 includes a first handle part 51 arranged parallel to the dust storage device 30 and a second handle part 52 arranged at an angle to the suction device 20 , and the user can use the hand-held cleaner 100 by holding the handle 50 .

In this embodiment, the handle 50 is not only used to facilitate the user to operate the hand-held cleaner 100, but also used to connect the suction device 20 and the dust storage device 30. The suction device 20 and the dust storage device 30 are the main load-bearing components of the hand-held cleaner 100 Components, the handle 50 is directly connected to the suction device 20 and the dust storage device 30, which can reduce the length of the force arm and reduce the force of the user holding the cleaner 100.

Further, the radial dimension of the dust storage device 30 is greater than the radial dimension of the air suction device 20, the top of the dust storage device 30 is almost flat with the top of the air suction device 20, and the first handle part 51 of the handle 50 is set to In the case of being parallel to the dust storage device 30, in order to make the inside of the handle 50 have enough operating space, the embodiment of the present application proposes that the second handle portion 52 of the handle 50 is set at an angle with the air suction device 20, In this way, an operation space is provided for the user.

In addition, in order to facilitate the user to operate the dust cover 31, the embodiment of the present invention proposes that the dust cover 31 is hinged to the bottom of the dust cup, and the bottom of the dust cup is provided with a lock that locks the dust cover 31. When the user When you need to dump the dust in the dust cup, you only need to open the lock.

At the same time, in order to further facilitate the user to operate the dust cover 31, the embodiment of the present invention also proposes that a button connected to the lock is provided on the handle 50. When the user needs to dump the dust in the dust cup, he only needs to press the button. The latch of the dust cover 31 can be opened in this way.

It should be noted that the above-mentioned embodiment only elaborates on the structures related to the improvements of the present invention on the hand-held cleaner 100, and does not mean that the hand-held cleaner 100 does not have other structures. As shown in FIG. 2, the hand-held cleaner 100 also includes a suction pipe assembly arranged at the suction end of the dust collection device 40, the suction pipe assembly includes a suction pipe 10, an intubation tube 11 and a button 12, the suction pipe 10 is used to lengthen the suction area of the dust collection device 40, the suction pipe 10 is plugged into the dust suction device 40 through the intubation tube 11, and the dust suction end of the dust suction device 40 is provided with a butt joint 42 that cooperates with the intubation tube 11, and a locking pin 43 for locking the intubation tube 11, on the intubation tube 11 The button 12 for controlling the lock pin 43 is provided, and the user makes the lock pin 43 lock the intubation tube 11 or release the intubation tube 11 by pressing the button 12.

Further, the dust suction end of the suction pipe 10 can also be provided with structures such as floor brushes or flat suction nozzles, and the cleaning effect can be achieved through the floor brushes or flat suction nozzles, so as to improve the cleaning range of the hand-held cleaner 100 .

The above is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Anyone skilled in the art can easily think of changes or substitutions within the technical scope disclosed in the present invention. All should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims (12)

1. A hand-held cleaner, characterized in that, comprising: A dust suction device, the front end of the dust suction device forms a dust suction end, and the interior of the dust suction device forms a dust suction cavity that communicates with the dust suction end; Air suction device, the air suction device is arranged on the side wall of the dust suction device; A dust storage device, the dust storage device is arranged at the tail end of the dust suction device, the dust storage device is respectively connected with the dust suction chamber and the air suction device, and the dust storage device is provided with a dust discharge build. 2. The hand-held cleaner according to claim 1, characterized in that, both the dust suction device and the air suction device are arranged in a cylindrical structure, and the axial direction of the suction device is in the same direction as that of the dust suction device. axis parallel. 3. The hand-held cleaner according to claim 1, wherein the air suction device comprises a fan housing and a fan arranged in the fan housing, and the fan housing is closely arranged on the suction The side wall of the dust device. 4. The hand-held cleaner according to claim 2, wherein the dust storage device comprises a dust cup and a ventilation cover arranged on the top of the dust cup, and the dust suction device is connected to the dust cup. The side wall, the air suction device communicates with the ventilation cover. 5. The hand-held cleaner according to claim 4, wherein the bottom of the dust cup is inclined away from the dust suction device and the air suction device, and the dust cover is arranged on the dust suction device. bottom of the cup. 6. The hand-held cleaner according to claim 5, wherein the ventilation cover is inclined toward the direction close to the suction device, the suction device is connected to the ventilation cover through an air pipe, and the ventilation cover is The air duct is set as a structure without bends. 7. The hand-held cleaner according to claim 4, wherein the dust cup and the dust suction device are arranged at an obtuse angle, and the dust suction device is connected to the side wall of the dust cup through a dust pipe, and The dust pipe is arranged as a structure without bends. 8 . The hand-held cleaner according to claim 7 , wherein two sides of the dust suction device are connected to the side wall of the dust cup through the two dust pipes. 9. The hand-held cleaner according to claim 7, wherein the axial direction of the dust pipe is perpendicular to the axial direction of the ventilation cover, and the dust in the dust pipe flows in a right-angled path in the dust cup. flow to the vent cap. 10. The hand-held cleaner according to claim 4, characterized in that, the inside of the ventilation cover is provided with a filter assembly located in the dust cup, and the filter assembly is removed from the dust discharge port of the dust discharge cover. detachably mounted on the vent cover. 11. The hand-held cleaner according to claim 10, characterized in that, the hand-held cleaner further comprises a separation cylinder arranged inside the dust cup, the mouth of the separation cylinder is docked with the filter assembly, and the The axial direction of the separation cylinder is consistent with the axial direction of the filter assembly. 12. The hand-held cleaner according to claim 1, characterized in that, the hand-held cleaner further comprises a handle connecting the suction device and the dust storage device, and the handle includes a handle parallel to the dust storage device. The first handle part is provided and the second handle part is provided at an angle to the air suction device.

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