KR20230075402A - cleaning head and handheld vacuum cleaner - Google Patents

Abstract

The cleaning head 4 includes a cleaning head housing 41 in which a suction port 46 is defined, as well as a rotation mechanism 7 rotatably connected to the cleaning head housing 41 . The rotation mechanism 7 includes a first rotation component 71 and a second rotation component 72 disposed between the cleaning head housing 41 and the first rotation component 71 . The first rotating component 71 includes a connecting member 711 having a connecting function, and a rotating shaft 712 disposed at an end of the connecting member 711 close to the cleaning head housing 41 . The receiving cavity for receiving the rotating shaft 712 is provided with a second rotation such that the first rotating component 71 can rotate relative to the second rotating component 72 when the rotating shaft 712 is positioned within the receiving cavity. It is defined on the inner wall of component 72. The cleaning head 4 is connected to the suction tube 6 by means of a rotation mechanism 7 . The structure of the rotating mechanism 7 is solid, hard and not easily damaged, prolonging the service life of the portable vacuum cleaner 100.

Description

cleaning head and handheld vacuum cleaner

The present invention relates to a cleaning head and a handheld vacuum cleaner, which cleaner belongs to the field of household appliances.

BACKGROUND With the continuous improvement of people's living standards, vacuum cleaners, as tools for sanitation and cleaning, have become essential household appliances in people's daily lives. Among them, cordless portable vacuum cleaners are preferred by the public because of their own batteries, small size, portability and convenience, and are more suitable for cleaning smaller spaces. Existing portable vacuum cleaners have the following problems:

1. Generally, a similar bolt structure is used to connect the cleaning head to the suction pipe, which is easy to damage and has a short service life;

2. The bristle assemblies on the rollers are individually set, usually with soft bristles only. It is not efficient in cleaning dust or debris, resulting in a decrease in the cleaning efficiency of the handheld vacuum cleaner;

3. The layout of the operating head used for vacuum cleaning is inappropriate. During the vacuuming process, the front end of the operation head is easily lifted, resulting in low vacuuming efficiency;

4. The dust cup and HEPA in the dust air separation mechanism are typically connected to the body part by a mechanical structure, such as a twistable baffle or buckle structure. When the user needs to take out the dust cup or HEPA, the mechanical structure mentioned above needs to be removed first, so that the dust cup or HEPA can be separated from the main body part. Besides, the HEPA and dust cup need to be pulled out separately, and the pulling steps are cumbersome and the operation is inconvenient;

5. The battery pack that supplies power to the portable vacuum cleaner is generally not disassembled, or the disassembly of the battery pack is cumbersome and difficult, causing inconvenience to replacement or charging of the battery pack;

6. When the portable vacuum cleaner is not in use, the touch switch is pointing downward. When using a handheld vacuum cleaner, the touch switch bounces. The touch switch is very sensitive, but easy to touch;

7. The separation efficiency of dust and air sucked into the dust air separation assembly is not high, so the outflow air cannot meet the requirements;

8. A screen sleeved on the outer periphery of the cyclone cone used to separate dust and air is used for preliminary separation of dust and air, but existing screens are not effective at separating dust and air, so outflow air cannot meet the requirements;

9. When using a handheld vacuum cleaner, the operator often needs to hold the handle by hand to move and lift the entire machine. Since the handheld vacuum cleaner integrates a motor, a dust air separation mechanism and other components into a place where a hand is operated, if the layout of the handheld vacuum cleaner is improper, it will be difficult and inconvenient for the operator. At the same time, this will also affect the performance of the vacuum cleaner itself. Therefore, for portable vacuum cleaners, the layout of the whole machine is very inappropriate.

An object of the present invention is to provide a cleaning head that is firmly connected to a suction pipe, is durable, has a high efficiency for cleaning dust, has a reasonable layout, and has a high dust suction efficiency. Besides, the present invention also provides a portable vacuum cleaner that is simple and comfortable to operate. At the same time, the dust-air separation mechanism of the portable vacuum cleaner is removable, the battery pack of the portable vacuum cleaner can be quickly disassembled or assembled, the portable vacuum cleaner can be prevented from accidental touch, and the dust and air separation of the portable vacuum cleaner Efficiency can be improved, and the portable vacuum cleaner has a reasonable structure and layout.

To achieve the above object, the present invention provides the following technical solutions:

As a cleaning head,

a cleaning head housing defining a suction port; and

a rotation mechanism rotatably connected with the cleaning head housing, the rotation mechanism comprising a first rotation assembly and a second rotation assembly disposed between the cleaning head housing and the first rotation assembly;

the first rotation assembly includes a connecting member and a rotating shaft, the connecting member has a connecting function, and the rotating shaft is arranged at an end of the connecting member adjacent to the cleaning head housing; An inner wall of the second rotating assembly defines a receiving cavity configured to receive the rotating shaft, such that the first rotating assembly is rotatable relative to the second rotating assembly when the rotating shaft is positioned within the receiving cavity. head.

Further, the second rotation assembly includes a first rotation member and a second rotation member; An accommodating cavity configured to receive the rotational shaft is formed between the first rotational member and the second rotational member.

In addition, the second rotating member is disposed inside the first rotating member.

In addition, the rotating shaft has a skirt, a sliding groove is formed between the skirt and the connecting member, and the second rotating assembly is rotatably connected to the rotating shaft through the sliding groove.

In addition, the first rotational member has a bent end extending into the sliding groove, the bending end being formed by bending an end of the first rotational member away from the cleaning head housing toward the connecting member, and sliding with the skirt. A possibly matching first notch is formed between the bent end and the first rotational member.

In addition, the second rotating member has a protruding end protruding into the sliding groove, the protruding end is formed by protruding outward from an end of the second rotating member away from the cleaning head housing, and the second notch is formed by protruding from the protruding end portion. And formed between the connecting member, the second notch is configured to be slidably fitted with the skirt.

In addition, the first rotation member and the second rotation member are fixedly connected to an end portion of the cleaning head housing, so that the first rotation member and the second rotation member move simultaneously.

Also, an end of the second rotation assembly adjacent to the cleaning head housing is rotatably connected to the cleaning head housing.

Also, the second rotational assembly is rotatable about its axis relative to the cleaning head housing.

The present application also provides a handheld vacuum cleaner, wherein a suction pipe of the handheld vacuum cleaner is connectable to the cleaning head.

As a cleaning head,

a cleaning head housing defining an accommodation space; and

a roller arranged in the accommodating space, and a bristle mechanism is provided on a peripheral outer surface of the roller; The bristle mechanism,

a base arranged on a peripheral outer surface of the roller; and

A first bristle assembly and a second bristle assembly fixed to the base at intervals, wherein a length of the first bristle assembly is greater than a length of the second bristle assembly, the first bristle assembly wherein the hardness of the cleaning head is greater than the hardness of the second bristle assembly.

In addition, a height difference between the first and second bristle assemblies ranges from 0.1 mm to 1.5 mm.

Also, a height difference between the first and second bristle assemblies ranges from 0.6 mm to 1 mm.

In addition, the first bristle assembly includes a plurality of first bristles, and the diameter of the first bristles is 0.1 mm or more and 0.5 mm or less.

In addition, the diameter of the first bristles is 0.3 mm or more and 0.4 mm or less.

In addition, the second bristle assembly includes a plurality of second bristles, and the diameter of the second bristles is 0.05 mm or less.

Also, the first bristle assembly is spirally disposed on the roller.

In addition, the width of the first bristle assembly is an arbitrary value in the range of 4 mm to 10 mm, and the width of the second bristle assembly is an arbitrary value in the range of 30 mm to 50 mm.

In addition, the width of the first bristle assembly is an arbitrary value in the range of 7 mm to 9 mm, and the width of the second bristle assembly is an arbitrary value in the range of 38 mm to 42 mm.

The present application also provides a handheld vacuum cleaner, wherein a suction port of the handheld vacuum cleaner is detachably connected to the cleaning head.

As a cleaning head,

a cleaning head housing defining an accommodation space;

a roller arranged within the accommodating space; and

a rotation mechanism rotatably connected to the cleaning head housing, the rotation mechanism comprising a rotation shaft; wherein the cleaning head has a set of wheels for walking, and a connecting line between at least a portion of the set of wheels and the rotating shaft substantially overlaps a vertical line of the rotating shaft.

The wheel set also includes a rear wheel positioned adjacent to the rotating shaft, a vertical line of the rear wheel substantially overlapping a vertical line of the rotating shaft.

In addition, the wheel set includes a front wheel disposed apart from the rotating shaft, and an included angle between a connecting line between the front wheel and the rotating shaft and a vertical line of the rotating shaft is formed, and the included angle is greater than 20°. Bigger.

It also further includes a top assembly disposed on the cleaning head housing; When the cleaning head contacts the target for cleaning, a closed cavity is formed between the top assembly and the roller to prevent leakage of airflow.

Further, the top assembly includes first top ends distributed along a radial direction of the cleaning head housing, and a second top end configured to connect the first top ends; An end of the first upper end separated from the second upper end is inclined upward.

Further, a distance between an end of the first top away from the second top and a front end of the cleaning head housing is smaller than a distance between an axis of the roller and a front end of the cleaning head housing.

In addition, comb teeth are further provided on the cleaning head housing, and ends of the comb teeth come into contact with the roller to clean the roller.

Further, the cleaning head housing is provided with a suction port configured to suck dust air; In the height direction of the cleaning head, the comb teeth are arranged above the suction port.

Also, a bristle mechanism is provided on the peripheral outer surface of the roller, and the bristle mechanism is arranged in a spiral fashion on the roller.

The present application also provides a handheld vacuum cleaner, wherein a suction pipe of the handheld vacuum cleaner is connectable to the cleaning head.

As a portable vacuum cleaner,

a body portion including a suction pipe, a drive mechanism configured to generate an airflow along the suction pipe, and a dust air separation mechanism configured to communicate with the suction pipe and separate dirt and dust from the airflow; and

a gripping portion connected to the body portion and configured for gripping;

The dust-air separation mechanism is detachably installed in an accommodating space defined by the body portion, and the dust-air separation mechanism includes a cover, a cyclone separation assembly arranged in the cover, a fixing bracket arranged in an opening of the cover, and air contains outlet HEPA; wherein both the cyclone separation assembly and the air outlet HEPA are installed on the fixing bracket, so that the cyclone separation assembly and the air outlet HEPA are both held on the fixing bracket when the fixing bracket is separated from the cover. Vacuum cleaner.

In addition, the cyclone separation assembly is detachably connected to the fixing bracket.

Also, at least a portion of the outer surface of the fixing bracket forms a portion of the outer surface of the handheld vacuum cleaner.

Further, a side of the fixing bracket away from the cyclone separation assembly defines a receiving cavity, and the air outlet HEPA is arranged in the receiving cavity.

In addition, the side of the receiving cavity away from the cyclone separation assembly has a cavity opening for disassembling and assembling the air outlet HEPA.

Further, a first sealing member is further disposed between the air outlet HEPA and the drive mechanism to improve sealing.

Further, the cyclone separation assembly includes a cyclone cone and a screen connected to the cyclone cone; The screen is sleeved on the outside of the cyclone cone and there is a gap between the screen and the cyclone cone.

In addition, the cyclone cone is disposed between the screen and the fixing bracket, and the cyclone cone is detachably mounted to the fixing bracket through the screen.

Also, an end of the screen remote from the drive mechanism is sealedly connected to an end of the cyclone cone remote from the drive mechanism.

Also, a second sealing member is disposed between the end of the screen adjacent to the drive mechanism and the cover to improve sealing.

As a portable vacuum cleaner,

a body portion including a suction pipe, a drive mechanism configured to generate an airflow along the suction pipe, and a dust air separation mechanism configured to communicate with the suction pipe and separate dirt and dust from the airflow;

a gripping portion connected to the body portion and configured for gripping; and

A battery pack detachably connected to the gripping portion, wherein the battery pack is provided with a connecting terminal electrically connected to the gripping portion and a locking mechanism detachably connected to the gripping portion, the connecting terminal and the locking mechanism comprising: and arranged at the same end of the battery pack along the disassembly direction.

Further, the gripping portion includes a handle and a supporting member disposed in front of the handle, and the connecting terminal and the locking mechanism are arranged on a side of the battery pack away from the handle.

Further, a signal wire electrically connected to the signal light and a power cord electrically connected to the driving mechanism are placed on the gripping portion; A part of the signal wire is placed in the support member, and a part of the power cord is placed in the handle.

Further, the battery pack includes a bottom wall supporting the portable vacuum cleaner and a side wall adjacent to the bottom wall, and the locking mechanism includes a release button provided on the side wall.

Further, the battery pack is provided with a cooling channel for cooling the cells, and an air outlet of the cooling channel is arranged on the side wall.

Also, the air outlet of the cooling channel is arranged at an end away from the connecting terminal.

Further, the battery pack is inserted into the gripping portion, a sliding groove is provided on one of the battery pack and the gripping portion, and a slider matched with the sliding groove is on the other of the battery pack and the gripping portion. Provided.

Also, the connecting terminal is located on a sliding groove adjacent to an edge of the battery pack or on a side surface of the slider.

In addition, the sliding groove has a notch facing an end where the connecting terminal is located.

Further, the battery pack includes a power cord interface, and the power cord interface, the connecting terminal and the locking mechanism are arranged at the same end of the battery pack.

As a portable vacuum cleaner,

a body portion including a suction pipe, a drive mechanism configured to generate an airflow along the suction pipe, and a dust air separation mechanism configured to communicate with the suction pipe and separate dirt and dust from the airflow; and

a gripping portion connected to the body portion and configured for gripping; and

a power unit for supplying power to the body portion;

The gripping portion includes a holding shell and a switch movable relative to the holding shell, the switch having a first stroke and a second stroke from an initial position to a final position, and both the first stroke and the second stroke correspond to each other. and when the switch is only on the second stroke, the power unit supplies electric power to the drive mechanism.

In addition, the ratio between the distance of the first stroke and the distance of the second stroke is an arbitrary value in the range of 0.5 to 1.5.

Also, the distance of the first stroke and the distance of the second stroke are substantially the same.

Further, the switch is rotatably connected to the holding shell via a rotating shaft; a first switch member and a second switch member are arranged on two sides of the rotating shaft; The first switch member is pressed to drive the second switch member to rotate, so that when the switch is in the second stroke, the power unit supplies the electric power to the drive mechanism.

Further, in the height direction of the gripping portion, a deflector for inverting the power unit and the main body portion is provided below the second switch member.

Further, the diameter of the second switch member gradually decreases in the direction toward the deflector, and the end of the second switch member adjacent to the deflector has a smooth transition.

In addition, the first switch member and the second switch member are integrally formed.

Further, the retaining shell is provided with an opening; the first switch member at least partially protrudes out of the opening; the first switch member has a pressing surface; The pressing surface and the plane in which the opening is located form an included angle such that when the switch moves to the end of the second stroke, the pressing surface is substantially parallel to the plane in which the opening is located.

Further, the holding portion further includes an elastic member for resetting the switch, and the elastic member is arranged horizontally in the holding shell.

In addition, the switch is provided with a first guide post configured to guide the deformation direction of the elastic member, the holding shell is provided with a second guide post configured to guide the deformation direction of the elastic member, and the elastic member is configured to guide the deformation direction of the elastic member. It is connected to the first guide post and the second guide post.

As a portable vacuum cleaner,

a body portion including a suction pipe, a drive mechanism configured to generate an airflow along the suction pipe, and a dust air separation mechanism configured to communicate with the suction pipe and separate dirt and dust from the airflow; and

a gripping portion connected to the body portion and configured for gripping;

The dust air separation mechanism includes a cyclone separation assembly having a cyclone cone, the cyclone cone having a plurality of cones, each of the cones having an inlet for allowing dust to flow into the cone and after the dust is separated. A portable vacuum cleaner having an outlet for the dust to flow out, wherein the outlet is 1.3 to 1.5 times longer than the inlet.

In addition, the inlet has oppositely arranged first side surfaces and oppositely arranged second side surfaces connected to the first side surfaces, wherein a ratio of a length of the first side surface to a length of the second side surface ranges from 1.4 to 1.7. am.

Also, the length of the cone is 3 to 5 times the length of the inlet.

Also, the length of the cone is 4 times the length of the inlet.

Further, the plurality of cones are distributed in a circular array; a portion of the outer wall of the cone remote from the longitudinal axis of the cyclone separation assembly is at a predetermined angle with respect to the longitudinal axis; A portion of the outer wall of the cone adjacent the longitudinal axis of the cyclone separation assembly is substantially parallel to the longitudinal axis.

Further, the cyclone separation assembly has a central axis, and the cone located on the outer side is inclined toward the central axis.

Further, the cyclone separation assembly further includes a screen connected to the cyclone cone, the screen sleeved on the outside of the cyclone cone, and there is a gap between the screen and the cyclone cone.

Also, an end of the screen away from the driving mechanism is sealedly connected with an end of the cyclone cone away from the driving mechanism.

Also, the outer shell is provided with an air inlet adjacent to the driving mechanism; the dust air separation mechanism includes a cover having a through hole, and a dust cup and an air outlet HEPA arranged on two sides of the cyclone separation assembly, respectively; The cyclone separation assembly is disposed within the cover and communicates with the air inlet through the through hole.

Further, the air outlet HEPA is arranged on a side of the cyclone separation assembly adjacent to the driving mechanism; the dust air separation mechanism further includes a fixing bracket connected with the cyclone separation assembly; The fixing bracket is configured to clamp and secure the air outlet HEPA and to engage the drive mechanism.

As a portable vacuum cleaner,

a body portion including a suction pipe, a drive mechanism configured to generate an airflow along the suction pipe, and a dust air separation mechanism configured to communicate with the suction pipe and separate dirt and dust from the airflow; and

a gripping gripping portion connected to the body portion and configured for gripping;

the body portion is provided with an air inlet adjacent to the drive mechanism; the dust air separation mechanism includes a screen configured to filter dust air and is arranged adjacent to the air inlet; the screen is provided with a plurality of mesh holes and has a first end disposed away from the air inlet; the first end is provided with a skirt portion extending outwardly away from the screen; a distance between a starting end of the skirt portion and mesh holes provided adjacent to the first end is a first distance; A length occupied by the plurality of mesh holes along the axial direction of the dust-air separation mechanism is a second distance, and the first distance is at least 1/5 of the second distance.

Further, the distance between the first end and the mesh holes provided adjacent to the first end is 5 mm or more.

In addition, the screen further has a second end disposed adjacent to the air inlet, a distance between the second end and mesh holes disposed adjacent to the second end is a third distance, the third distance at least 1/5 of the second distance.

Further, the distance between the second end and the mesh holes disposed adjacent to the second end is 5 mm or more.

The dust air separation mechanism also includes a deflector coupled to the screen, the deflector configured to direct the airflow to the screen.

Further, the deflector is disposed at the second end, and the deflector has a deflector surface arranged adjacent to the mesh apertures.

Further, the guide surface is an inclined surface, and the inclined surface is inclined from top to bottom in a direction away from the second end from a direction adjacent to the second end.

Further, the deflector includes a first deflector and a second deflector connected to the first deflector; the first deflector is arranged along an outer circumferential surface of the screen; The second deflector extends from the second end to the first end.

Further, along the axial direction of the dust air separation mechanism, the length of the end of the deflector is substantially equal to the length of the air inlet.

Further, the air flow direction of the suction pipe is substantially parallel to the axial direction of the dust air separation mechanism.

As a portable vacuum cleaner,

a body portion including a suction pipe, a drive mechanism configured to generate an airflow along the suction pipe, and a dust air separation mechanism configured to communicate with the suction pipe and separate dirt and dust from the airflow; and

a gripping portion connected to the body portion and configured for gripping;

wherein a rotational axis of the drive mechanism and a longitudinal axis of the dust-air separation mechanism substantially coincide, and an axis of the gripping portion extends through a region between the drive mechanism and the dust-air separation mechanism.

Further, the dust air separation mechanism includes a cyclone separation assembly and an air outlet HEPA connected to the cyclone separation assembly and located adjacent to the drive mechanism; An axis of the gripping portion extends through the air outlet HEPA.

Also, the outer shell is provided with an air inlet adjacent to the driving mechanism; the dust air separation mechanism includes a cover having a through hole; the cover communicates with the air inlet through the through hole; The cyclone separation assembly is disposed within the cover.

Also, the diameter of the outer shell outside the drive mechanism is smaller than the diameter of the cover.

Also, the air inlet is located above the gripping portion.

In addition, the operating part is connected to the outer shell through a rod body, and the rod body communicates with the air inlet.

Further, a first sealing member is further disposed between the air outlet HEPA and the drive mechanism to improve sealing.

In addition, the dust-air separation mechanism further includes a fixing bracket connected with the cyclone separation assembly; The fixing bracket is configured to clamp and secure the air outlet HEPA and engage the drive mechanism.

It also further includes a power unit configured to supply electric power to the driving mechanism, the power unit being located at an end of the gripping portion away from the driving mechanism.

Further, the dust-air separation mechanism is detachably installed within the accommodation space defined by the body portion.

Beneficial effects of the present application include:

1. The cleaning head shown in this application is connected with the suction pipe through a rotating mechanism, and the structure of the rotating mechanism is strong and hard, and is not easily damaged, thereby improving the service life of the portable vacuum cleaner;

2. The cleaning head shown in this application is provided with a first bristle assembly and a second bristle assembly, and the hardness of the first bristle assembly is greater than that of the second bristle assembly. As a result, the bristle mechanism can completely clean the target and drive the airflow in a spiral shape, thereby improving the vacuuming efficiency, which is convenient and fast;

3. In the cleaning head shown in this application, the connection line between at least a part of the wheel set and the rotating shaft substantially overlaps the vertical line of the rotating shaft, so the layout is reasonable. Moreover, during the vacuuming process, the cleaning head is always attached to the ground, which improves the vacuuming efficiency;

4. The portable vacuum cleaner shown in this application is provided with a fixing bracket. A retaining bracket is configured to connect the cyclone separation assembly and the air outlet HEPA. The cyclone separation assembly and the air outlet HEPA can be discharged at the same time by directly discharging the fixing bracket, which is convenient and fast;

5. The portable vacuum cleaner shown in this application is provided with a first brush assembly and a second brush assembly. The hardness of the first bristle assembly is greater than that of the second bristle assembly, so that the bristle mechanism can completely clean the target and drive the airflow in a spiral shape, thereby improving the dust collection efficiency, which is convenient and fast;

6. The portable vacuum cleaner shown in this application causes the switch to have a first stroke and a second stroke at a preset distance from the actual position to the final position. When the switch is in its second stroke, the power unit supplies power to the drive mechanism. It achieves the effect of preventing the handheld vacuum cleaner from being accidentally started, improving the use experience, and also improving the cleaning accuracy of the handheld vacuum cleaner;

7. The portable vacuum cleaner shown in this application is provided with a cyclone cone including a plurality of cones. The outlet length of each cone is 1.3 to 1.5 times the inlet length. A short length of the inlet can allow dust air to fully enter the cone for entry, and a long length of the outlet can increase the path for upward movement of the dust. Finally, the dust will fall under its own gravity and will not flow out of the outlet with the airflow, achieving the purpose of improving the cleaning efficiency;

8. The portable vacuum cleaner shown in this application has a screen for filtering dust. The distance between the end of the screen away from the air inlet and the mesh holes arranged thereon is at least 1/5 of the length of the mesh holes along the axial direction of the dust air separation mechanism. Therefore, it is avoided that the dust air velocity at the end away from the air inlet is too small, which makes it difficult to separate dust and air, thereby improving the separation efficiency of the handheld vacuum cleaner for dust and air;

9. The axis of the gripping portion of the portable vacuum cleaner shown in this application extends through the region between the driving mechanism and the dust-air separating mechanism, so that the center of gravity of the vacuum cleaner is at the gripping portion. The portable vacuum cleaner of the present application has a compact and reasonable structure and is easy to use, thereby reducing the user's burden and improving the safety and operability of the portable vacuum cleaner.

The above description is only an outline of the technical solutions of the present invention. In order to have a clearer understanding of the technical means of the present invention and implement it according to the contents of the specification, preferred embodiments of the present invention and accompanying drawings are described in detail below.

1 is a schematic structural diagram of a portable vacuum cleaner shown in this application.
2 is an exploded schematic diagram of the dust air separation mechanism and body part shown in this application.
3 is a partial cross-sectional schematic view of a portable vacuum cleaner shown in the present application.
4 is a schematic structural diagram of the dust air separation mechanism of the present application.
Figure 5 is a partial schematic diagram of Figure 4;
6 is a cross-sectional schematic view of FIG. 4 .
7 is a structural representation of the cyclone cone of FIG. 4;
8 is a schematic structural diagram of the cleaning head of the present application.
Fig. 9 is another schematic diagram of Fig. 8;
10 is a schematic structural diagram of another cleaning head of the present application.
Fig. 11 is a partial schematic diagram of Fig. 10;
12 is a schematic diagram of an angular relationship between a wheel set and a rotating shaft of the present application.
13 is a schematic diagram of the connection of the cleaning head, rotation mechanism and rod body of the present application.
Fig. 14 is a partial schematic diagram of Fig. 13;
15 is a schematic diagram of the position structure relationship between the switch and the deflector in the present application.
16 is an exploded schematic diagram of a battery pack and a gripping portion of the present application.
17 is a schematic structural diagram of the battery pack of FIG. 16;

Specific embodiments of the present invention will be described in more detail below with reference to the accompanying drawings and embodiments. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

Referring to FIG. 1, a portable vacuum cleaner 100 shown in one embodiment of the present invention includes a main body part 1 for filtering external dust air, and a gripping part connected to the main body part 1 and used for gripping ( 2), and a power unit 5 detachably connected to the gripping portion 2 and configured to supply power to the body portion 1. The power unit 5 may include a battery pack 51 for power supply. In this embodiment, to improve the overall aesthetics of the portable vacuum cleaner 100, the power unit 5 and the body portion 1 are respectively disposed on the two sides of the gripping portion 2; The power unit 5 is located below the gripping part 2 . Obviously, in other embodiments the location of the power unit 5 may also be different, for example it is connected to the body part 1 or the like. At this time, the power unit 5 and the gripping portion 2 are respectively located on the two sides of the body portion 1, which are not specifically limited here and are determined according to the actual situation.

1 to 3, the body portion 1 is formed by an outer shell 11, a drive mechanism 12 disposed within the outer shell 11, and a drive mechanism 12 to separate dust and air. and a driven dust air separation mechanism (13). A suction pipe 6 is formed within the outer shell 11 to communicate the dust-air separation mechanism 13 and the outside. When the drive mechanism 12 is activated, the dust air enters the dust air separation mechanism 13 from outside through the intake pipe 6. Under the action of the dust-air separation mechanism 13, the dust is separated from the air. The power unit 5 is electrically connected to the drive mechanism 12 to supply power to the drive mechanism 12 . In this embodiment, drive mechanism 12 is a motor. Obviously, in other embodiments, the driving mechanism 12 may also be different, which is not specifically limited herein and is determined according to actual circumstances.

In order to make the structure of the portable vacuum cleaner 100 more compact, in this embodiment, the dust-air separation mechanism 13 is arranged transversely on the outer shell 11, and at the same time, the entire surface of the portable vacuum cleaner 100 Aesthetics are improved. In addition, in the process of using the portable vacuum cleaner 100, the dust-air separation mechanism 13 is changed from the transverse direction to the longitudinal direction, which is more beneficial to separation of dust and air, thereby improving the dust removal efficiency. Obviously, in other embodiments, the dust air separation mechanism 13 may also be longitudinally disposed on the outer shell 11, which is not specifically limited herein and is determined according to actual circumstances.

Referring to FIGS. 2 and 4 , the dust air separation mechanism 13 is detachably installed in the accommodation space defined by the body portion 1 . The handheld vacuum cleaner 100 also includes a locking mechanism 3 . The dust-air separation mechanism 13 is detachably connected to the outer shell 11 of the body part 1 via the locking mechanism 3, thereby facilitating cleaning of the dust-air separation mechanism 13. The locking mechanism 3 includes a first retaining member 31 disposed on the dust-air separation mechanism 13, and a second retaining member disposed on the outer shell 11 and cooperating with the first retaining member 31 ( 32). The first retaining member 31 and the second retaining member 32 cooperate to lock or unlock the dust air separation mechanism 13 and the outer shell 11 . One of the first holding member 31 and the second holding member 32 is a groove, and the other of the first holding member 31 and the second holding member 32 is a projection held in the groove. The locking mechanism 3 also includes a pressing member 33 connected with the protrusion. An external force is applied to the pressing member 33 to drive the protruding portion to move relative to the groove, so that the protruding portion and the groove are engaged and separated. In this embodiment, the first holding member 31 is a protrusion and the second holding member 32 is a groove. A pressing member 33 is provided on the dust-air separation mechanism 13 . The pressing member 33 and the protruding portion are integrally formed, and the pressing member 33 and the protruding portion move simultaneously. When the dust air separation mechanism 13 is installed in the outer shell 11, the pressing member 33 is placed on the exposed outer shell 11 to facilitate pressurization and disassembly. When the dust air separating mechanism 13 is disassembled and needs to be cleaned, it is only necessary to press the pressing member 33. The pressing member 33 drives the protrusion to separate it from the groove, so that the dust-air separating mechanism 13 is removed from the outer shell 11 of the portable vacuum cleaner 100, and the operation is simple. The connection method of the projections on the pressing member 33 and the dust-air separation mechanism 13 is a prior art, such as integral molding or fixed connection after separate installation, which will not be described here.

One of the dust-air separation mechanism 13 and the outer shell 11 is provided with a first abutment member 34, and the other one of the dust-air separation mechanism 13 and the outer shell 11 is provided for determining the installation position. A second abutting member 35 abutting the first abutting member 34 is provided. Through the cooperation of the first abutment member 34 and the second abutment member 35, the dust-air separation mechanism 13 can be quickly positioned when installed and connected to the outer shell 11, which is convenient and quick. In this embodiment, the dust-air separation mechanism 13 is provided with a first abutment member 34 which is a slot provided on the dust-air separation mechanism 13 . The outer shell 11 is provided with a second abutment member 35 which is a clipping rib for matching with the slot. When the dust air separation mechanism 13 is assembled to the outer shell 11, the clipping rib can first be inserted into the slot to achieve accurate positioning of the dust air separation mechanism 13 and the outer shell 11. Then, an external force is applied to the dust-air separation mechanism 13 to move the dust-air separation mechanism 13 towards the outer shell 11, so that the projections slide into the grooves and engage with the grooves, and the dust-air separation mechanism ( The assembly of 13) is completed.

The body portion 1 is provided with an air inlet 111 disposed adjacent to the drive mechanism 12 . Specifically, the air inlet 111 is provided on the outer shell 11 . An air inlet 111 is located above the gripping portion 2 and below the dust air separation mechanism 13 . At the same time, to allow dust to flow from the inside of the outer shell 11 to the outside of the outer shell 11 after being filtered, the outer shell 11 is further provided with an air outlet 112 communicating with the air inlet 111. Provided. Referring to FIG. 1 , in this embodiment, the air outlet 112 is disposed on an outer shell 11 that is located outside the drive mechanism 12 . Obviously, in other embodiments, the air outlet 112 may also be directly disposed in other positions, which is not specifically limited herein and is determined according to actual circumstances.

4 and 6 , the dust air separation mechanism 13 includes a cover 131 having a through hole 1311, arranged in the cover 131 and communicating with the air inlet 111 through the through hole 1311. a cyclone separation assembly, a dust cup 134 arranged on the cover 131, and a fixing bracket 137 and an air outlet HEPA 135 arranged in an opening (not shown) of the cover 131. An air outlet HEPA 135 is arranged on the side of the cyclone separation assembly adjacent to the drive mechanism 12 . The purpose of this arrangement is to prevent the filtered airflow from still carrying dust and then bringing the dust into the vicinity of the drive mechanism 12 . Besides, this arrangement can prevent the accumulation of dust in the driving mechanism 12 after long-term use, the operation of the driving mechanism 12 is affected, and the service life of the portable vacuum cleaner 100 is also shortened.

Referring to FIG. 3 , the rotational axis of the driving mechanism 12 and the longitudinal axis of the dust-air separating mechanism 13 are substantially coincident, and the axis of the gripping portion 2 is the driving mechanism 12 and the dust-air separating mechanism 13. extends through the area in between. This design facilitates the application of force on the gripping portion 2 and mastering the balance of the entire handheld vacuum cleaner 100 . The axis of the gripping portion 2 extends through the air outlet HEPA 135, thereby making the overall layout of the portable vacuum cleaner 100 more reasonable and easier to maintain. The battery pack 51 is located at the end of the gripping portion 2 remote from the driving mechanism 12, thereby lowering the center of gravity of the entire portable vacuum cleaner 100 and improving operator comfort.

Referring to FIG. 4 , the cover 131 has a hollow cylindrical structure. A side surface of the cover 131 adjacent to the drive mechanism 13 has an opening. A cover 130 for blocking the cover 131 is also provided on the side of the cover 131 away from the driving mechanism 12 . The cover 131 and the cover 130 are formed by surrounding the accommodation space. An end of the cover 131 adjacent to the drive mechanism 12 is engaged with a fixing bracket 137. The fixing bracket 137 is also a hollow cylindrical structure and has the same diameter as the cover 131 . At least part of the outer surface of the fixing bracket 137 forms part of the outer surface of the portable vacuum cleaner 100 . That is, after the cover 131 and the fixing bracket 137 are fixedly connected and installed on the portable vacuum cleaner 100, at least some of the surfaces of the cover 131 and the fixing bracket 137 are exposed to the outside. The pressing member 33 and the projections mentioned above are provided on the cover 130 . As described above, the space formed between cover 131 and cover 130 is configured to store dust. In order to clean the dust in the space, the cover 131 and the cover 130 are detachably connected. The connection between the cover 131 and the cover 130 is the same as that of the locking mechanism 3 described above, and can also be a conventional one (cooperation between a button and a press hole), which will not be repeated here. Moreover, in this embodiment, in order to make the structure of the portable vacuum cleaner 100 more compact, the diameter of the outer shell 11 outside the drive mechanism 12 is smaller than that of the cover 131 .

5 and 6 , the cyclone separation assembly is configured to treat dust air entering the cover 131 from the air inlet 111 to realize separation of dust and air. The cyclone separation assembly includes a cyclone cone 133 and a screen 132 connected to the cyclone cone 133 . The screen 132 is sleeved on the outer side of the cyclone cone 133, and there is a gap between the screen 132 and the cyclone cone 133. The cyclone cone 133 is disposed between the screen 132 and the fixing bracket 137. The cyclone cone 133 is detachably mounted to the fixing bracket 137 via the screen 132. The cyclone cone 133 is disposed adjacent to the air inlet 111 . A screen 132 is disposed on the side of the cyclone cone 133 away from the air inlet 111 .

The screen 132 has a cylindrical structure. The screen 132 is provided with a plurality of mesh holes for air flow. The mesh holes are evenly arranged on the screen 132. And, the screen 132 has a second end disposed adjacent to the air inlet 111 and a first end disposed away from the air inlet 111 . The size of the mesh hole is small. When dust enters the screen 132 through the mesh holes, the dust or debris with a relatively large size in the dust air is blocked, and the dust or debris with a relatively small size for the mesh holes is screened with the air flow ( 132) to enter. Thus, the screen 132 is used for preliminary separation of dust and air.

The first end is provided with a skirt portion 1321 extending away from the screen 132 and extending outwardly. Here, the distance between the starting end of the skirt portion 1321 and the mesh holes provided adjacent to the first end is the first distance. Along the axial direction of the dust-air separation mechanism 13, the length occupied by the plurality of mesh holes is the second distance. The distance between the second end and the mesh holes disposed adjacent to the second end is a third distance.

When the dust air enters the cover 131 from the air inlet 111, the air flow rate is high, that is, the air flow rate at the second end is high and the pressure is low. Relatively speaking, the pressure in the screen 132 is relatively large, and it is difficult for dust or debris to enter the screen 132 under the action of the pressure difference. Accordingly, the third distance is at least 1/5 of the second distance. That is, the screen 132 is not provided with mesh holes adjacent to the second end. Specifically, the distance between the second end and the mesh holes provided adjacent to the second end is 5 mm or more, thereby improving the dust and air separation efficiency by the screen 132 .

At the location where the dusty air is blown to the first end of the screen 132, the velocity of the airflow is reduced. It is also difficult for dust or debris in the dust air to enter the screen 132 due to the decrease in airflow velocity. Accordingly, the screen 132 is also not provided with mesh holes adjacent to the first end. The first distance is at least 1/5 of the second distance. That is, the screen 132 is also not provided with mesh holes adjacent to the first end. Specifically, the distance between the first end and the mesh holes provided adjacent to the first end is 5 mm or more, thereby improving the separation efficiency of the screen 132 for dust and air.

Referring to FIG. 5 , the dust air separation mechanism 13 further includes a deflector 136 connected to the screen 132 to direct the dust air flow from the air inlet 111 to the screen 132 . Deflector 136 is configured to direct airflow to screen 132 . The deflector 136 is disposed at the second end of the screen 132 and the deflector 136 is disposed outside the cyclone cone 133 to improve the overall compactness of the cyclone separation assembly. The deflector 136 has a deflector surface, which is arranged adjacent to the mesh holes. In this embodiment, the guide surface is an inclined surface. The sloped surface slopes from top to bottom in a direction adjacent the second end to a direction adjacent the second end. In order to save space as well as have a clear flow guiding effect, the deflector 136 includes a first deflector 1361 and a second deflector 1362 connected to the first deflector 1361 . The first deflector 1361 is disposed along the outer circumferential surface of the screen 132 and adjacent to the cyclone cone 133 . A second deflector 1362 extends from the second end to the first end and is disposed adjacent to the air inlet 111 . Along the axial direction of the dust air separation mechanism 13, the length of the end of the deflector 136 is substantially equal to the length of the air inlet 111, such that the airflow adjacent to the air inlet 111 is directed to the screen 132. could be better oriented.

The ends of the screens 132 in the drive mechanism 12 are driven to prevent the air flow from flowing out of the screen 132, so that all dust air enters the cyclone cone 133, thereby improving the dust removal efficiency. Sealedly connected with the end of the cyclone cone 133 away from the mechanism 12. The screen 132 is provided with a second sealing member 138 between the end adjacent to the driving mechanism 12 and the cover 131 to improve sealing performance. In this embodiment, the second sealing member 138 is a sealing ring. Optionally, cyclone cone 133 is detachably connected to screen 132 . For example, the cyclone cone 133 and the screen 132 may be connected by a snap fit structure or the like. Therefore, the handling technique of the cyclone separation assembly can be simplified, and the disassembly and assembly of the cyclone cone 133 are facilitated. Additionally, the cyclone cone 133 can be easily disassembled for replacement, cleaning and other operations, which is beneficial for improving the assembly efficiency of the cyclone separation assembly.

Referring to FIGS. 6 and 7 , the cyclone cone 133 is a hollow cone whose outer radial direction does not narrow in a direction adjacent to the cover 130 . The cyclone cone 133 includes a plurality of cones 1331 provided adjacent to the driving mechanism 12 . A plurality of cones 1331 are distributed in a circular array. A portion of the outer wall of the cone 1331 away from the longitudinal axis of the cyclone separation assembly is at a predetermined angle with respect to the longitudinal axis. A portion of the outer wall of the cone 1331 adjacent the longitudinal axis of the cyclone separation assembly is substantially parallel to the longitudinal axis. That is, the cones 1331 located on the outer side are inclined. Specifically, the cyclone separation assembly has a central axis. The cones 1331 located on the outer side are inclined towards the central axis. Furthermore, each cone 1331 has an inlet 1332 to allow dust air to flow into the cone 1331 and an outlet 1333 to allow the dust air to flow out after the dust is separated. Note that the inlet 1332 is an inlet for dust air to enter the inside of the cone 1331, and the outlet 1333 is an outlet for air flow to the outlet HEPA 135 after dust is separated from the cone 1331. It's worth noting.

The inlet 1332 is disposed adjacent to the air inlet 111 and communicates with the gap between the screen 132 and the cyclone cone 133. The length of the outlet 1333 is 1.3 to 1.5 times the length of the inlet 1332. A cone 1331 having an outlet 1333 and an inlet 1332 within this ratio range has a high efficiency for separation of dust and air, and has a better effect on dust or solid particles in the dust air.

The inlet 1332 has first sides opposite to each other and second sides opposite to each other and connected to the first sides. Here, the first side is a relatively long side, and the second side is a relatively short side. The ratio of the length of the first side to the length of the second side ranges from 1.4 to 1.7. This arrangement is more beneficial for directing the dusty air into the cyclone cone 133. To make the structure of the cone 1331 more reasonable, the length of the cone 1331 is 3 to 5 times the length of the inlet 1332. Preferably, the length of cone 1331 is four times the length of inlet 1332.

Referring to Figures 3 and 6, an air outlet HEPA 135 is disposed on the side of the cyclone separation assembly adjacent to the drive mechanism 12 so that the airflow from the cyclone separation assembly is again filtered. Optionally, an air outlet HEPA 135 is removably disposed between the cyclone separation assembly and drive mechanism 12 .

The cyclone separation assembly and the air outlet HEPA 135 are both mounted on the fixing bracket 137, so that the cyclone separation assembly and the air outlet HEPA 135 are attached to the fixing bracket after the fixing bracket 137 is separated from the cover 131 ( 137) on which both are held and fixed. This arrangement can achieve the effect of simultaneously pulling out the air outlet HEPA 135 and the cyclone separation assembly, which is convenient and quick. Here, the cyclone separation assembly is detachably connected to the fixing bracket 137. Specifically, the end of the fixing bracket 137 adjacent to the drive mechanism 12 defines an accommodating cavity (not shown) for accommodating the air outlet HEPA 135 . The side of the receiving cavity away from the cyclone separation assembly has a cavity opening (not shown) for disassembly and assembly of the air outlet HEPA 135. The fixing bracket 137 is mounted on the opening of the cover 131. Here, when the user removes the dust air separating mechanism, since the fixing bracket is installed on the cover 131, the fixing bracket and the air outlet HEPA in the fixing bracket will be taken out at the same time. If the user needs to replace the air outlet HEPA 135, the fixing bracket 137 does not need to be removed from the cover 131, but only needs to be removed from the receiving cavity for replacement. When the user needs to level the cyclone separation assembly, the fixing bracket 137 can be directly rotated and drawn out by a certain angle, or can be directly pulled out. Since the air outlet HEPA 135 and the cyclone separation assembly are respectively provided at the two ends of the fixing bracket 137, there is no need to dismantle the air outlet HEPA 135. This arrangement can facilitate the user's operation and increase the sealing performance at the same time.

A first sealing member 139 is further provided between the air outlet HEPA 135 and the driving mechanism 12 to improve sealing. The purpose of this arrangement is to drive an airflow with dust out of the gap between the air outlet HEPA 135 and the drive mechanism 12 so that the dust accumulates in the drive mechanism 12 and affects the operation of the drive mechanism 12. It is to prevent flow into the mechanism (12). As described above, the first sealing member 139 is a sealing ring for preventing air flow from flowing out between the air outlet HEPA 135 and the driving mechanism 12 . Obviously, in other embodiments, the air outlet HEPA 135 may also be detachably arranged within the drive mechanism 12 . The air outlet HEPA 135 may also be other filter structures to further separate dust impurities from the dusty air.

Dust air enters the cover 131 through the air inlet 111 and passes through the screen 132 for primary separation. Dust air enters the gap between the screen 132 and the cyclone cone 133, and then enters the cone 1331 from the inlet 1332 of the cone 1331 for secondary cyclone separation. The separated dust air flows out from the outlet 1333 of the cone 1331 through the air outlet HEPA 135 and enters the drive mechanism 12, and flows out from the air outlet 112.

The dust cup 134 includes a first dust collector 1341 and a second dust collector 1342 . The accommodation space formed by the cover 130 and the cover 131 is the first dust collector 1341 . The cyclone cone 133 forms a second dust collector 1342 having a cover 130 at an end away from the cone 1331 . As the dusty air is filtered through the screen 132, a larger volume of dust or debris within the dusty air is preliminarily separated. A larger volume of dust or debris enters the first dust collector 1341. Dust entering the cover 131 through the air inlet 111 is separated by the screen 132, and the dust falls and is stored in the first dust collector 1341. Dust air is concentrated in the cyclone cone 133, and secondary cyclone separation is performed in the cyclone cone 133. At this time, under the action of the centrifugal force, finer and smaller dust or debris in the dusty air can be separated and brought into the second dust collector 1342. As a result, the dust air can be separated several times by the cyclone separation assembly, which effectively improves the separation effect. In other embodiments, the cyclone cone 133 may be a multi-stage cyclone structure, but is not limited thereto. That is, in the flow direction of the dust air, the cyclone cavity used for cyclone separation includes a plurality of cyclone chambers sequentially connected in multiple steps, thereby improving the dust removal effect.

Referring to FIGS. 1 and 9 , the body portion 1 further includes a cleaning head 4 coupled with the outer shell 11 . The cleaning head 4 can be directly connected to the outer shell 11 or can be connected to the outer shell 11 through other components. In this embodiment, the cleaning head 4 is connected to the outer shell 11 via a suction pipe 6 . The suction pipe 6 is hollow. The drive mechanism 12 drives the dust air separation mechanism 13 to suck in and separate the outside dust air through the intake pipe 6. The intake pipe 6 is arranged in communication with the air inlet 111 . The airflow direction of the suction pipe 6 is substantially parallel to the axial direction of the dust-air separation mechanism 13 . The length of the suction pipe 6 is not specifically limited here, but is determined according to actual needs.

8 and 10 , the cleaning head 4 sucks the dust air into the dust air separation mechanism 13 under the driving of the drive mechanism 12 for separation. The cleaning head 4 includes a cleaning head housing 41 defining an accommodating space, and a cleaning member 42 disposed within the accommodating space of the cleaning head housing 41 and used to clean a target. The cleaning member 42 may be a roller 42 . The cleaning head housing 41 defines an intake port 46 for intake of dusty air. A suction port 46 is provided in communication with the suction pipe 6 . Specifically, the suction port 46 is disposed adjacent to the cleaning member 42 so that the cleaning member 42 brings dust air directly into the suction port 46 when cleaning the target. It avoids the outflow of dusty air and improves the user's comfort while improving the cleaning efficiency.

Referring to FIGS. 10 and 11 , a bristle mechanism 43 is provided on the peripheral outer surface of the roller 42 . To improve the cleaning efficiency of the cleaning head 4, the bristle mechanism 43 is helically arranged on the roller 42. The spiral bristle mechanism 43 can generate a centrifugal force on the dust, so that the dust can better enter the suction pipe 6 from the suction port 46 .

The brush mechanism 43 comprises a base (not shown) arranged on the peripheral outer surface of the roller 42, and a first bristle assembly 431 and a second bristle assembly 431 secured to the base at intervals to improve cleaning efficiency. A bristle assembly 432 is included. Specifically, the first bristle assemblies 431 are helically distributed on the roller 42 to better suck the dust into the suction pipe 6 . The first bristle assembly 431 and the second bristle assembly 432 are fixedly arranged to the base by bonding or the like, which will not be described in detail here. The length of the first bristle assembly 431 is greater than that of the second bristle assembly 432, and the hardness of the first bristle assembly 431 is greater than that of the second bristle assembly 432; Clean different types of dirt. In this embodiment, the first bristle assembly 431 is a hard bristle assembly and the second bristle assembly 432 is a soft bristle assembly. Obviously, in other embodiments, the first bristle assembly 431 may also be a soft bristle assembly and the second bristle assembly 432 may also be a hard bristle assembly, which is not specifically limited herein. , and will be determined according to the actual situation.

The width of the first bristle assembly 431 is any value in the range of 4 mm to 10 mm. The width of the second bristle assembly 432 is any value in the range of 30 mm to 50 mm. Preferably, the width of the first bristle assembly 431 is any value in the range of 7 mm to 9 mm. The width of the second bristle assembly 432 is any value in the range of 38 mm to 42 mm. Specific widths of the first bristle assembly 431 and the second bristle assembly 432 are not specifically limited herein. As noted above, in this embodiment, the width of the first bristle assembly 431 ranges from 4 mm to 10 mm, and the width of the second bristle assembly 432 ranges from 30 mm to 50 mm.

Meanwhile, there is a height difference between the first brush assembly 431 and the second brush assembly 432, and the height difference is in the range of 0.1 mm to 1.5 mm. Preferably, the height difference ranges from 0.6 mm to 1 mm. The purpose of setting the height difference is that the first bristle assembly 431 and the second bristle assembly 432 continuously clean the same target, which also achieves the effect of improving the cleaning efficiency. The first bristle assembly 431 includes a plurality of first bristles, and the first bristles are hard bristles. The diameter of the first bristles is greater than or equal to 0.1 mm and less than or equal to 0.5 mm. Preferably, the diameter of the first bristles is greater than or equal to 0.3 mm and less than or equal to 0.4 mm. The second bristle assembly 432 includes a plurality of second bristles, and the second bristles are soft bristles. The diameter of the second bristles is 0.05 mm or less. To increase the ability of the brush mechanism 43 to absorb dust or debris, one of the first and second brushes has a diameter of 0.05 mm or less, and the other of the first and second brushes has a diameter of 0.1 mm or more. and a diameter of 0.5 mm or less to improve cleaning efficiency of the portable vacuum cleaner 100 . The specific materials of the first bristles and the second bristles are not specifically limited here.

The bristle mechanism 43 is detachably connected to the roller 42 to facilitate replacement of the bristle mechanism 43 and save costs. Specifically, one of the brush mechanism 43 and the roller 42 is provided with a slot (not shown), and the other one of the brush mechanism 43 and the roller 42 is provided with a block (not shown) engaged with the slot. is provided. As described above, since the bristle mechanism 43 is helically arranged on the roller 42, the slots or blocks are helically arranged on the roller 42. In this embodiment, the roller 42 is provided with a slot and the bristle mechanism 43 is provided with a block. Specifically, the block is placed on the base and opposite to the first bristle assembly 431 and the second bristle assembly 432 . Indeed, in other embodiments, the bristle mechanism 43 and roller 42 may be fixedly connected. Specifically, the bristle mechanism 43 further includes an adhesive layer, and the bristle mechanism 43 is bonded to the roller 42 through the adhesive layer to achieve a fixed connection. Depends on the situation.

Referring to FIGS. 8 and 9 , the cleaning head 4 further includes a top assembly 44 disposed on the cleaning head housing 41 . When the cleaning head 4 contacts the target for cleaning, a closed cavity is formed between the top assembly 44 and the roller 42 to prevent leakage of airflow. Specifically, the upper assembly 44 includes first upper ends 441 distributed along the radial direction of the cleaning head housing 41 and arranged oppositely, and a second upper end 442 for connecting the first upper ends 441 to each other. ). When the roller 42 contacts the ground, the first top 441 and the second top 442 also only contact the ground, thereby forming a closed cavity. The distance between the end of the first top 441 away from the second top 442 and the front end of the cleaning head housing 41 is greater than the distance between the shaft of the roller 42 and the front end of the cleaning head housing 41. small. Thus, a gap is prevented from being generated between the first top 441 and the roller 42, improving the sealing performance of the closed cavity. The end of the first top 441 away from the second top 442 is also inclined upward, avoiding interference with the roller 42 during the operating process of the roller 42 and reducing the cleaning efficiency.

The cleaning head housing 41 is also provided with comb teeth 45 . The ends of the comb teeth 45 abut the roller 42 to clean the roller 42. In the height direction of the cleaning head 4, the comb teeth 45 are arranged above the suction port 46. The purpose of this arrangement is to not affect the ingress of dusty air, and also to clean the rollers 42.

Referring to FIGS. 13 and 14 , the cleaning head 4 further includes a rotation mechanism 7 rotatably connected with the cleaning head housing 41 . The cleaning head 4 and the suction pipe 6 are rotatably connected by means of a rotation mechanism 7 . The rotation mechanism 7 includes a first rotation assembly 71 connected to the suction pipe 6 and a second rotation assembly 72 disposed between the cleaning head housing 41 and the first rotation assembly 71. . An end of the second rotation assembly 72 adjacent to the cleaning head housing 71 is rotatably connected to the cleaning head housing 41 . The first rotation assembly 71 includes a connecting member 711 having a connecting function and a rotating shaft 712 disposed at an end of the connecting member 711 adjacent to the cleaning head housing 41 . The inner wall of the second rotating assembly 72 defines a receiving cavity (not numbered) for receiving the rotating shaft 712 such that the first rotating assembly 71 has the rotating shaft 712 positioned within the receiving cavity. It can rotate with respect to the second rotation assembly 72 when it becomes. Specifically, the first rotation assembly 71 and the second rotation assembly 72 rotate along the first direction. The second rotational assembly 72 is rotatable about its own axis relative to the cleaning head housing 41 . The direction of the axis of the cleaning head housing 41 is the second direction, and the first direction is perpendicular to the second direction. In this embodiment, the first direction is perpendicular to the axis of the suction pipe 6 . The second direction is the axis of the suction pipe 6 . Obviously, in other embodiments, the first direction and the second direction may also be different, which are not specifically limited herein and are determined according to actual circumstances.

The connecting member 711 is sleeved on the suction pipe 6 . The connecting member 711 may be fixedly connected or detachably connected to the suction pipe 6, which is not specifically limited herein and is determined according to actual circumstances. In this embodiment, the connecting member 711 is at least partially sleeved on the end of the suction pipe 6 . The connecting member 711 and the intake pipe 6 are detachably connected. Specifically, a locking mechanism 3 similar to the one above is provided between the connecting member 711 and the intake pipe 6, the details of which are not described herein again.

The rotating shaft 712 has a skirt 713 . The sliding groove 714 is formed between the skirt 713 and the connecting member 711 . To enable the first rotation assembly 71 and the second rotation assembly 72 to be firmly connected, the number of rotation shafts 712 is two. And, the two rotating shafts 712 are disposed oppositely on the two sides of the connecting member 711 .

The second rotation assembly 72 includes a first rotation member 721 and a second rotation member 724 . An accommodating cavity for accommodating the rotating shaft 712 is formed between the first rotating member 721 and the second rotating member 724 . The second rotating member 724 is disposed inside the first rotating member 721 . The second rotation assembly 72 is rotatably connected to the rotation shaft 712 through a sliding groove 714. Specifically, the end of the first rotating member 721 adjacent to the cleaning head housing 41 is rotatably connected to the cleaning head housing 41; The other end of the first rotating member 721 away from the cleaning head housing 41 is inserted into the sliding groove 714 to be rotatably connected to the rotating shaft 712 . The first rotating member 721 has a bent end 722 extending into the sliding groove 714 . The bent end 722 is formed by bending from the end of the first rotating member 721 away from the cleaning head housing 41 toward the connecting member 711 . The bent end 722 is disposed on the side of the rotating shaft 712 away from the cleaning head housing 41 . The purpose of this arrangement is to form a gap between the first rotational member 721 and the linking member 711, thereby facilitating installation of the second rotational member 724 and connecting the first rotational assembly 71 and the second rotational member 724. It is to improve the connection tightness between the rotating assemblies 72. At the same time, the tightness of the connection between the second rotary assembly 72 and the cleaning head housing 41 is also improved. In addition, the first notch 723 slidably matched with the skirt 713 is formed between the bent end 722 and the first rotating member 721, so that bi-directional sliding is more flexible and the user experience is improved.

At least a portion of the second rotating member 724 is disposed within the cab. In this embodiment, the end of the second rotational member 724 is disposed within the gap. An end of the second rotating member 724 adjacent to the cleaning head housing 41 is rotatably connected to the cleaning head housing 41 . The end of the second rotating member 724 away from the cleaning head housing 41 is inserted into the sliding groove 714 to be rotatably connected to the rotating shaft 712 . The first rotation member 721 is fixedly connected to the end of the second rotation member 724 adjacent to the cleaning head housing 41, so that the first rotation member 721 and the second rotation member 724 move simultaneously. The second rotating member 724 has a protruding end 725 extending into the sliding groove 714 . The protruding end 725 is formed to protrude outward from the end of the second rotating member 724 away from the cleaning head housing 41 . A second notch 726 is formed between the protruding end 725 and the connecting member 711, which is slidably matched with the skirt 713. This also achieves bi-directional sliding between the second rotating member 724 and the rotating shaft 712 and improves the user experience. Accordingly, the rotation shaft 712 rotates in the direction of the axis of the rotation shaft 712 at the first notch 723 and the second notch 726 . The direction in which the axis of the axis is located is the first direction. Rotation of the rotating shaft 712 drives and rotates the connecting member 711 to drive and rotate the suction pipe 6 in the first direction.

Referring to FIGS. 9 and 12 , the cleaning head 4 also has a wheel set 8 for walking, and the wheel set 8 is rotatably connected with the cleaning head housing 41 . To prevent the front end of the cleaning head 4 from being lifted during use of the portable vacuum cleaner 100 and thus affecting the cleaning efficiency, between at least a portion of the wheel set 8 and the rotating shaft 712 The connecting line of overlaps with the vertical line of the rotating shaft 712. The wheel set 8 includes a rear wheel 82 disposed adjacent to the rotational shaft 712 and a front wheel 81 disposed away from the rotational shaft 712 . In this embodiment, the vertical line of the rear wheel 82 and the vertical line of the rotating shaft 712 substantially overlap (in the direction indicated by the straight line a) so that the front end of the cleaning head 4 is a portable vacuum cleaner. It is prevented from being lifted during the operation of 100 and affecting the cleaning efficiency. There is an included angle between the vertical line of the rotating shaft 712 and the connecting line between the front wheel 81 and the rotating shaft 712 (in the direction indicated by the straight line b). The included angle is greater than 20°, so that the center of gravity of the cleaning head 4 is closer to the front end, and the front end is also prevented from being lifted up.

Referring to Figures 1, 15 and 16, the gripping portion 2 is connected to the outer shell 11 and has a handle 21 located below the air inlet 111, a support member arranged in front of the handle 21. (20), a switch (25) movable relative to the handle (21), and a deflector (26) disposed within the handle (21) and electrically connected to the battery pack (51) and the body portion (1). It should be noted that the handle 21 is surrounded by a retaining shell. The switch 25 is movable relative to the holding shell. The deflector 26 conducts power unit 5 and body part 1 . The deflector 26 is driven to conduction by the switch 25, so the deflector 26 is disposed adjacent to the switch 25. An external force is applied to the switch 25, so the switch 25 moves relative to the handle 21 and then abuts the deflector 26. As a result, the deflector 26 is driven to overturn and the body portion 1 is driven to operate. In addition, the gripping portion 2 is provided with a signal wire (not shown) electrically connected to the signal light 50 and a power cord (not shown) electrically connected to the driving mechanism 12 . A part of the signal wire is placed in the support member 20, and a part of the power cord is placed in the handle 21. It should be noted that the signal light 50 is configured to display whether the portable vacuum cleaner 100 is in an operating state.

The gripping portion 2 has a hollow structure. A part of the switch 25 and the deflector 26 are arranged in a hollow structure. A control cable (not shown) connecting the battery pack 51 and the switch 25 is accommodated in the gripping portion 2 . By arranging the battery pack 51 and the switch 25 adjacent to the gripping portion 2, wiring is facilitated, and the overall structure of the portable vacuum cleaner 100 is compact.

The switch 25 has a first stroke and a second stroke from the initial position to the final position. The first stroke and the second stroke have corresponding preset distances. When switch 25 is only on the second stroke, power unit 5 supplies power to drive mechanism 12 . The ratio between the distance of the first stroke and the distance of the second stroke is an arbitrary value in the range of 0.5 to 1.5. The specific distance and ratio between the first stroke and the second stroke are not specifically limited here, and may be selected according to actual conditions. In one embodiment, the distance of the first stroke and the distance of the second stroke may be substantially the same, so that the handheld vacuum cleaner 100 can be easily activated.

An opening 211 is formed on the holding shell. The switch 25 includes a first switch member 251 disposed within the opening 211 and at least partially protruding out of the opening 211, and a second switch member 252 connected to the first switch member 251. do. The deflector 26 is disposed adjacent to the second switch member 252 . In this embodiment, the first switch member 251 and the second switch member 252 are integrally formed. The first switch member 251 has a pressing surface 2511 . The pressing surface 2511 has an included angle with the plane where the opening 211 is located, so that when the switch 25 moves to the end of the second stroke, the pressing surface 2511 is substantially flush with the plane where the opening 211 is located. parallel The pressing surface 2511 is pressed until the pressing surface 2511 is flush with the opening 211 . The switch 25 abuts the deflector 26 to cause the deflector 26 to conduct, i.e., the second switch member 252 abuts the deflector 26, and the deflector 26 closes. and the drive mechanism 12 operates so that the dust-air separation mechanism 13 separates dust and air. Specifically, the switch 25 is rotatably connected to the handle 21 via a rotating shaft 27 . The first switch member 251 and the second switch member 252 are disposed on two sides of the rotary shaft 27 . The purpose of this arrangement is to move the cleaning head 4 forward, and when force is applied to the first switch member 251 to drive the first switch member 251 to move it backward, the action of the rotating shaft 27 , so that the second switch member 252 moves forward. As a result, the distance between the second switch member 252 and the deflector 26 is changed, thereby realizing an abutment between the second switch member 252 and the deflector 136. In the height direction of the gripping portion 2 , the deflector 26 is inclined in the handle 21 and is positioned below the second switch member 252 . The diameter of the second switching member 252 gradually decreases in the direction toward the deflector 26 . Additionally, the end of the second switch member 252 adjacent to the deflector 26 has a smooth transition so that the second switch member 252 can rotate smoothly relative to the deflector 26 . A conducting plate 261 is provided above the deflector 26 . One end of the conducting plate 261 is fixed on the deflector 26, and the other end is placed above the deflector 26 and does not contact the deflector 26. The second switch member 252 is positioned above the conducting plate 261 . The first switch member 251 is pressed and drives and rotates the second switch member 252 so that when the switch 25 is in the second stroke, the second switch member 252 abuts the deflector 26. do. The pressurized conducting plate 261 moves downward and contacts the deflector 26, thereby closing the deflector 26, and the power unit 5 supplies electric power to the drive mechanism 12.

Besides, the gripping portion 2 further includes an elastic member (not shown) for restoring the switch 25 . When the force applied to the first switch member 251 is removed, the elastic member drives the first switch member 251 to reset it. The elastic members are arranged horizontally inside the retaining shell. The switch 25 is provided with a first guide post (not shown) for guiding the deformation direction of the elastic member. The holding shell includes a second guide post 212 for guiding the deformation direction of the elastic member. The elastic member is connected to the first guide post and the second guide post 212 . The first guide post and the second guide post 212 simultaneously limit the position of the elastic member. In this embodiment, the resilient member is a spring. In other embodiments, the elastic member may also be an elastic piece-like structure.

Referring to FIGS. 3 , 16 and 17 , the battery pack 51 is detachably connected to the gripping portion 2 . Specifically, the battery pack 51 is provided with a connection terminal 511 electrically connected to the gripping portion 2 and a locking mechanism 55 detachably connected to the gripping portion 2 . The connecting terminal 511 and the locking mechanism 55 are provided at the same end of the battery pack 51 in the separation direction. In addition, the connecting terminal 511 and the locking mechanism 55 are disposed on the side of the battery pack 51 away from the handle 21 and adjacent to the supporting member 20 . The locking mechanism 55 is configured to lock the battery pack 51 and the gripping portion 2 .

A battery pack 51 is inserted into the gripping portion 2 . The sliding groove 512 is provided on one of the battery pack 51 and the gripping portion 2, and the slider 23 is provided on the other of the battery pack 51 and the gripping portion 2. The slider 23 is matched with the sliding groove 512 to realize quick disassembly, which is convenient and quick. After the battery pack 51 is inserted into the gripping portion 2, the locking mechanism 55 locks the battery pack 51 and the gripping portion 2.

The battery pack 51 includes a bottom wall 517 for supporting the portable vacuum cleaner 100 and a side wall 518 adjacent to the bottom wall 517 . The locking mechanism 55 includes a release button 551 and a lock member 552 connected to the release button 551 to lock the battery pack 51 and the gripping portion 2 . A release button 551 is arranged on the sidewall 518 for ease of operation. Pressure is applied to the release button 551 to drive the locking member 552 to move to release and separate the battery pack 51 from the gripping portion 2 . Obviously, in other embodiments, the connection method between the battery pack 51 and the gripping portion 2 may also be a buckle or the like method, which will not be listed here one by one.

A plug part 22 is provided on the gripping part 2 . The plug part 22 is electrically connected to the connecting terminal 511 so that the battery pack 51 supplies power to the gripping part 2 . To facilitate coupling between the plug portion 22 and the connection terminal 511 and facilitate coupling between the gripping portion 2 and the battery pack 51, the connection terminal 511 and the sliding groove 512 or slider 23 is located on the side of the battery pack 51 facing the gripping portion 2, thereby simplifying the structure of the portable vacuum cleaner 100.

In this embodiment, the sliding groove 512 is provided on the battery pack 51 and the slider 23 is provided on the gripping portion 2 . The sliding groove 512 has a sliding groove opening 5121 forward in the direction in which the battery pack 51 is inserted into the gripping portion 2 . The sliding groove opening 5121 is disposed toward the front. The connecting terminal 511 is located on the sliding groove 512 adjacent to the edge of the battery pack 51 or on the side of the slider 23 .

The slider 23 of the gripping portion 2 enters from the sliding groove opening 5121 of the sliding groove 512 on the battery pack 51, and the slider 23 slides the gripping portion 2 and the battery pack 51. It cooperates with the sliding groove 512 to secure. The slider 23 can be easily slid in the sliding groove 512 by applying force to disassemble the battery pack 51 from the gripping portion 2 . The operation is simple and convenient, thereby saving time and effort.

To further increase the stability of the connection between the battery pack 51 and the gripping portion 2, the battery pack 51 is provided with a fastener 513. The gripping portion 2 is also provided with a first threaded hole 24 that corresponds to the position of the fastener 513 and is threaded with the fastener 513 . The battery pack 51 is provided with a second threaded hole 514 screwed with a fastener 513 . A fastener 513 is positioned in the second threaded hole 514 and is screwed into the first threaded hole 24 to secure the battery pack 51 and the gripping portion 2 . The fastener 513 has a structure like a screw. When the battery pack 51 is to be removed from the holding portion 2, the fastener 513 can be removed from the battery pack 51 first. When the battery pack 51 is secured to the gripping portion 2, the fastener 513 can sequentially pass through the second threaded hole 514 and the first threaded hole 24 and be fixed together. Obviously, in other embodiments, the fixing manners of the battery pack 51 and the gripping portion 2 may also be other manners, such as a buckle or the like.

The battery pack 51 further includes a cell assembly 515 and a battery pack case 516 . The cell assembly 515 includes a plurality of cells electrically connected to each other. The battery pack case 516 is formed with a closed cavity to accommodate the cell assembly 515 . A sliding groove 512 or slider 23 is provided on the outer side of the battery pack case 516 . In this embodiment, the number of battery cells is six. Obviously, in other embodiments, the number of battery cells may also be different, which is determined according to actual circumstances, and is not specifically limited herein. In addition, a cooling channel (not shown) for cooling the cells is provided in the battery pack 51 . The air outlet 56 of the cooling channel is located on the side wall 518 and at the end away from the connection terminal 511, thereby increasing the service life and safety performance of the battery cell during use.

Referring to FIG. 1 or 2 , with the battery pack 51 forward in the direction in which it is inserted into the gripping portion 2, the battery pack 51 has a power cord 52 electrically connected to the cell assembly 515 more includes A power cord 52 is provided on the front side of the battery pack 51 . Power cord 52 is connected to external commercial power to charge battery pack 51 . Of course, in other embodiments, the battery pack includes a power cord interface 53 . Power cord interface 53, connection terminal 511 and locking mechanism are arranged at the same end of battery pack 51. Power cord 52 is detachably connected to battery pack 51 via power cord interface 53 . When the battery pack 51 needs to be charged, the power cord 52 can be inserted into the power cord interface 53.

The battery pack 51 further includes a circuit assembly 54 disposed within the battery pack case 516 and electrically connected to the cell assembly 515 . Circuit assembly 54 is a circuit board. A connection terminal 511 is provided on the circuit board. The circuit board is configured to electrically connect the battery pack 51 and the connection terminal 511 .

It should be noted that the battery pack 51 can also be a power cord 52 connected to an external commercial power source. However, since the length of the power cord 52 is limited, the portable vacuum cleaner 100 will be limited by the distance in use.

The technical features of the above embodiments can be arbitrarily combined. To simplify the description, all possible combinations of technical features in the above embodiments are not described. However, as long as there is no contradiction in the combination of these technical features, they should be considered within the scope of the description herein.

The above examples represent only a few embodiments of the invention, the descriptions of which are more specific and detailed, but should not be construed as limiting the scope of the invention. It should be noted that for those skilled in the art, some modifications and improvements may be made without departing from the concept of the present invention, which all fall within the protection scope of the present invention. Accordingly, the scope of protection of this patent is subject to the appended claims.

Claims (90)

As a cleaning head,
a cleaning head housing defining a suction port; and
a rotation mechanism rotatably connected with the cleaning head housing, the rotation mechanism comprising a first rotation assembly and a second rotation assembly disposed between the cleaning head housing and the first rotation assembly;
the first rotation assembly includes a connecting member and a rotating shaft, the connecting member has a connecting function, and the rotating shaft is arranged at an end of the connecting member adjacent to the cleaning head housing; An inner wall of the second rotating assembly defines a receiving cavity configured to receive the rotating shaft, such that the first rotating assembly is rotatable relative to the second rotating assembly when the rotating shaft is positioned within the receiving cavity. head. 2. The method of claim 1, wherein the second rotational assembly includes a first rotational member and a second rotational member; and an accommodating cavity configured to receive the rotating shaft is formed between the first rotating member and the second rotating member. 3. The cleaning head according to claim 2, wherein the second rotational member is disposed inside the first rotational member. The cleaning according to claim 2, wherein the rotating shaft has a skirt, a sliding groove is formed between the skirt and the connecting member, and the second rotating assembly is rotatably connected to the rotating shaft through the sliding groove. head. The method of claim 4, wherein the first rotating member has a bent end extending into the sliding groove, the bending end being formed by bending an end of the first rotating member away from the cleaning head housing toward the connecting member, and a first notch slidably matched with the skirt is formed between the bent end and the first rotating member. The method of claim 5, wherein the second rotating member has a protruding end protruding into the sliding groove, the protruding end being formed by protruding outward from an end of the second rotating member away from the cleaning head housing, and a second notch is formed between the protruding end and the connecting member, and wherein the second notch is configured to slidably fit with the skirt. The cleaning head according to claim 2, wherein the first rotation member and the second rotation member are fixedly connected to an end of the cleaning head housing, so that the first rotation member and the second rotation member move simultaneously. The cleaning head of claim 1 , wherein an end of the second rotary assembly adjacent the cleaning head housing is rotatably connected to the cleaning head housing. 9. The cleaning head of claim 8, wherein the second rotational assembly is rotatable about its axis relative to the cleaning head housing. A handheld vacuum cleaner, wherein a suction pipe of the handheld vacuum cleaner is connectable to a cleaning head according to any one of claims 1 to 9. As a cleaning head,
a cleaning head housing defining an accommodation space; and
a roller arranged in the accommodating space, and a bristle mechanism is provided on a peripheral outer surface of the roller; The bristle mechanism,
a base arranged on a peripheral outer surface of the roller; and
A first bristle assembly and a second bristle assembly fixed to the base at intervals, wherein a length of the first bristle assembly is greater than a length of the second bristle assembly, the first bristle assembly wherein the hardness of the cleaning head is greater than the hardness of the second bristle assembly. 12. The cleaning head according to claim 11, wherein the difference in height between the first and second bristle assemblies ranges from 0.1 mm to 1.5 mm. 13. The cleaning head according to claim 12, wherein the difference in height between the first and second bristle assemblies ranges from 0.6 mm to 1 mm. 12. The cleaning head according to claim 11, wherein the first bristle assembly includes a plurality of first bristles, and the diameter of the first bristles is greater than or equal to 0.1 mm and less than or equal to 0.5 mm. 15. The cleaning head of claim 14, wherein the diameter of the first bristles is greater than or equal to 0.3 mm and less than or equal to 0.4 mm. 12. The cleaning head according to claim 11, wherein the second bristle assembly includes a plurality of second bristles, the diameter of the second bristles being less than or equal to 0.05 mm. 12. The cleaning head of claim 11, wherein the first bristle assembly is helically disposed on the roller. 12. The cleaning head of claim 11, wherein the width of the first bristle assembly is any value in the range of 4 mm to 10 mm, and the width of the second bristle assembly is any value in the range of 30 mm to 50 mm. 19. The cleaning head of claim 18, wherein the width of the first bristle assembly is any value in the range of 7 mm to 9 mm and the width of the second bristle assembly is any value in the range of 38 mm to 42 mm. 20. A handheld vacuum cleaner, wherein the suction port of the handheld vacuum cleaner is detachably connected to the cleaning head according to any one of claims 11 to 19. As a cleaning head,
a cleaning head housing defining an accommodation space;
a roller arranged within the accommodating space; and
a rotation mechanism rotatably connected to the cleaning head housing, the rotation mechanism comprising a rotation shaft; wherein the cleaning head has a set of wheels for walking, and a connecting line between at least a portion of the set of wheels and the rotating shaft substantially overlaps a vertical line of the rotating shaft. 22. The cleaning head of claim 21, wherein the wheel set includes a rear wheel positioned adjacent to the rotating shaft, a vertical line of the rear wheel substantially overlapping a vertical line of the rotating shaft. 22. The method of claim 21, wherein the wheel set includes a front wheel disposed away from the rotating shaft, and an included angle is formed between a connecting line between the front wheel and the rotating shaft and a vertical line of the rotating shaft, the included angle greater than 20°, the cleaning head. 22. The cleaning head housing of claim 21, further comprising a top assembly disposed on said cleaning head housing; When the cleaning head contacts the target for cleaning, a closed cavity is formed between the top assembly and the roller to prevent leakage of airflow. The method according to claim 24, wherein the top assembly includes first top ends distributed along a radial direction of the cleaning head housing, and a second top portion configured to connect the first top ends; wherein an end of the first upper end away from the second upper end slopes upward. 26. The cleaning head according to claim 25, wherein a distance between an end of the first top away from the second top and a front end of the cleaning head housing is smaller than a distance between an axis of the roller and a front end of the cleaning head housing. 25. The cleaning head according to claim 24, wherein the cleaning head housing is further provided with comb teeth, and ends of the comb teeth abut the roller for cleaning the roller. 28. The method of claim 27, wherein the cleaning head housing is provided with a suction port configured to suck dust air; In the height direction of the cleaning head, the comb teeth are arranged above the suction port. 22. The cleaning head according to claim 21, wherein a peripheral outer surface of the roller is provided with a bristle mechanism, the bristle mechanism being arranged in a spiral fashion on the roller. A handheld vacuum cleaner, wherein a suction pipe of the handheld vacuum cleaner is connectable to a cleaning head according to any one of claims 21 to 29. As a portable vacuum cleaner,
a body portion including a suction pipe, a drive mechanism configured to generate an airflow along the suction pipe, and a dust air separation mechanism configured to communicate with the suction pipe and separate dirt and dust from the airflow; and
a gripping portion connected to the body portion and configured for gripping;
The dust-air separation mechanism is detachably installed in an accommodating space defined by the body portion, and the dust-air separation mechanism includes a cover, a cyclone separation assembly arranged in the cover, a fixing bracket arranged in an opening of the cover, and air contains outlet HEPA; wherein both the cyclone separation assembly and the air outlet HEPA are installed on the fixing bracket, so that the cyclone separation assembly and the air outlet HEPA are both held on the fixing bracket when the fixing bracket is separated from the cover. Vacuum cleaner. 32. The handheld vacuum cleaner of claim 31, wherein the cyclone separation assembly is detachably connected to the retaining bracket. 33. The handheld vacuum cleaner of claim 32, wherein at least a portion of the outer surface of the anchoring bracket forms a portion of the outer surface of the handheld vacuum cleaner. 32. The handheld vacuum cleaner according to claim 31, wherein a side of the fixing bracket away from the cyclone separation assembly defines an accommodating cavity, and the air outlet HEPA is arranged in the accommodating cavity. 35. The handheld vacuum cleaner according to claim 34, wherein a side of the receiving cavity away from the cyclone separation assembly has a cavity opening for disassembly and assembly of the air outlet HEPA. 32. The handheld vacuum cleaner according to claim 31, wherein a first sealing member is further disposed between the air outlet HEPA and the drive mechanism to improve sealing. 32. The system of claim 31 wherein said cyclone separation assembly comprises a cyclone cone and a screen connected to said cyclone cone; wherein the screen is sleeved on the outside of the cyclone cone and there is a gap between the screen and the cyclone cone. 38. The handheld vacuum cleaner according to claim 37, wherein the cyclone cone is disposed between the screen and the fixing bracket, and the cyclone cone is detachably mounted to the fixing bracket through the screen. 38. The handheld vacuum cleaner of claim 37, wherein an end of the screen remote from the drive mechanism is sealedly connected to an end of the cyclone cone remote from the drive mechanism. 40. The handheld vacuum cleaner of claim 39, wherein a second sealing member is disposed between the cover and an end of the screen adjacent the drive mechanism to enhance sealing. As a portable vacuum cleaner,
a body portion including a suction pipe, a drive mechanism configured to generate an airflow along the suction pipe, and a dust air separation mechanism configured to communicate with the suction pipe and separate dirt and dust from the airflow;
a gripping portion connected to the body portion and configured for gripping; and
A battery pack detachably connected to the gripping portion, wherein the battery pack is provided with a connecting terminal electrically connected to the gripping portion and a locking mechanism detachably connected to the gripping portion, the connecting terminal and the locking mechanism comprising: and arranged at the same end of the battery pack along the disassembly direction. 42. The portable vacuum cleaner according to claim 41, wherein the gripping portion includes a handle and a support member disposed in front of the handle, and the connection terminal and the locking mechanism are arranged on a side of the battery pack away from the handle. 43. The method of claim 42, wherein a signal wire electrically connected to the signal light and a power cord electrically connected to the driving mechanism are placed on the holding portion; A portion of the signal wire is placed within the support member, and a portion of the power cord is placed within the handle. 42. The portable vacuum cleaner according to claim 41, wherein the battery pack includes a bottom wall supporting the portable vacuum cleaner and a sidewall adjacent to the bottom wall, and the locking mechanism includes a release button provided on the sidewall. 45. The portable vacuum cleaner according to claim 44, wherein the battery pack is provided with a cooling channel for cooling the cells, and an air outlet of the cooling channel is arranged on the side wall. 46. The handheld vacuum cleaner according to claim 45, wherein the air outlet of the cooling channel is arranged at an end remote from the connecting terminal. 42. The method of claim 41, wherein the battery pack is inserted into the gripping portion, a sliding groove is provided on one of the battery pack and the gripping portion, and a slider matched with the sliding groove is provided on one of the battery pack and the gripping portion. A portable vacuum cleaner provided on the other one. 48. The portable vacuum cleaner according to claim 47, wherein the connecting terminal is located on a sliding groove adjacent to an edge of the battery pack or on a side of the slider. 48. The portable vacuum cleaner according to claim 47, wherein the sliding groove has a notch facing an end where the connecting terminal is located. 42. The portable vacuum cleaner according to claim 41, wherein the battery pack includes a power cord interface, and the power cord interface, the connecting terminal and the locking mechanism are arranged at the same end of the battery pack. As a portable vacuum cleaner,
a body portion including a suction pipe, a drive mechanism configured to generate an airflow along the suction pipe, and a dust air separation mechanism configured to communicate with the suction pipe and separate dirt and dust from the airflow; and
a gripping portion connected to the body portion and configured for gripping; and
a power unit for supplying power to the body portion;
The gripping portion includes a holding shell and a switch movable relative to the holding shell, the switch having a first stroke and a second stroke from an initial position to a final position, and both the first stroke and the second stroke correspond to each other. and when the switch is only on the second stroke, the power unit supplies electric power to the drive mechanism. 52. The portable vacuum cleaner according to claim 51, wherein the ratio between the distance of the first stroke and the distance of the second stroke is any value in the range of 0.5 to 1.5. 53. The handheld vacuum cleaner of claim 52, wherein the distance of the first stroke and the distance of the second stroke are substantially the same. 52. The device of claim 51 wherein said switch is rotatably connected to said retaining shell via a rotating shaft; a first switch member and a second switch member are arranged on two sides of the rotating shaft; and the first switch member is pressed to drive and rotate a second switch member, so that when the switch is in the second stroke, the power unit supplies the electric power to the drive mechanism. 55. The portable vacuum cleaner according to claim 54, wherein, in the height direction of the gripping portion, a deflector for inverting the power unit and the main body portion is provided below the second switch member. 56. The portable vacuum cleaner according to claim 55, wherein a diameter of the second switch member gradually decreases in a direction toward the deflector, and an end of the second switch member adjacent to the deflector has a smooth transition. 55. The portable vacuum cleaner according to claim 54, wherein the first switch member and the second switch member are integrally formed. 55. The method of claim 54, wherein the retaining shell is provided with an opening; the first switch member at least partially protrudes out of the opening; the first switch member has a pressing surface; wherein the pressing surface and the plane in which the opening is located form an included angle such that when the switch moves to an end of the second stroke, the pressing surface is substantially parallel to the plane in which the opening is located. 52. The handheld vacuum cleaner according to claim 51, wherein the holding portion further includes an elastic member for resetting the switch, and the elastic member is arranged horizontally in the holding shell. 60. The method of claim 59, wherein the switch is provided with a first guide post configured to guide the deformation direction of the elastic member, and the holding shell is provided with a second guide post configured to guide the deformation direction of the elastic member; An elastic member is connected to the first guide post and the second guide post. As a portable vacuum cleaner,
a body portion including a suction pipe, a drive mechanism configured to generate an airflow along the suction pipe, and a dust air separation mechanism configured to communicate with the suction pipe and separate dirt and dust from the airflow; and
a gripping portion connected to the body portion and configured for gripping;
The dust air separation mechanism includes a cyclone separation assembly having a cyclone cone, the cyclone cone having a plurality of cones, each of the cones having an inlet for allowing dust to flow into the cone and after the dust is separated. A portable vacuum cleaner having an outlet for the dust to flow out, wherein the outlet is 1.3 to 1.5 times longer than the inlet. 62. The method of claim 61 wherein the inlet has first sides that are oppositely arranged and second sides that are oppositely arranged and connected to the first sides, wherein the ratio of the length of the first side to the length of the second side is In the range of 1.4 to 1.7, a handheld vacuum cleaner. 62. The handheld vacuum cleaner of claim 61, wherein the length of the cone is 3 to 5 times the length of the inlet. 64. The handheld vacuum cleaner of claim 63, wherein the length of the cone is four times the length of the inlet. 62. The method of claim 61 wherein said plurality of cones are distributed in a circular array; a portion of the outer wall of the cone remote from the longitudinal axis of the cyclone separation assembly is at a predetermined angle with respect to the longitudinal axis; and wherein a portion of an outer wall of the cone adjacent the longitudinal axis of the cyclone separation assembly is substantially parallel to the longitudinal axis. 66. The handheld vacuum cleaner of claim 65, wherein the cyclone separation assembly has a central axis and the cone located on the outer side slopes toward the central axis. 62. The handheld vacuum cleaner of claim 61, wherein the cyclone separation assembly further comprises a screen connected to the cyclone cone, the screen sleeved on the exterior of the cyclone cone, and wherein there is a gap between the screen and the cyclone cone. . 68. The handheld vacuum cleaner of claim 67, wherein an end of the screen remote from the drive mechanism is in sealing connection with an end of the cyclone cone remote from the drive mechanism. 62. The apparatus of claim 61 wherein an outer shell is provided with an air inlet adjacent to the drive mechanism; the dust air separation mechanism includes a cover having a through hole, and a dust cup and an air outlet HEPA arranged on two sides of the cyclone separation assembly, respectively; wherein the cyclone separation assembly is disposed within the cover and communicates with the air inlet through the through hole. 70. The system of claim 69, wherein the air outlet HEPA is arranged on a side of the cyclone separation assembly adjacent the drive mechanism; the dust air separation mechanism further includes a fixing bracket connected with the cyclone separation assembly; wherein the fixing bracket is configured to clamp and fix the air outlet HEPA and engage with the driving mechanism. As a portable vacuum cleaner,
a body portion including a suction pipe, a drive mechanism configured to generate an airflow along the suction pipe, and a dust air separation mechanism configured to communicate with the suction pipe and separate dirt and dust from the airflow; and
a gripping gripping portion connected to the body portion and configured for gripping;
the body portion is provided with an air inlet adjacent to the drive mechanism; the dust air separation mechanism includes a screen configured to filter dust air, and is arranged adjacent to the air inlet; the screen is provided with a plurality of mesh holes and has a first end disposed away from the air inlet; the first end is provided with a skirt portion extending outwardly away from the screen; a distance between a starting end of the skirt portion and mesh holes provided adjacent to the first end is a first distance; A length occupied by the plurality of mesh holes along the axial direction of the dust-air separation mechanism is a second distance, and the first distance is at least 1/5 of the second distance. 72. The portable vacuum cleaner according to claim 71, wherein a distance between the first end and mesh holes provided adjacent to the first end is 5 mm or more. 72. The apparatus of claim 71, wherein the screen further has a second end disposed adjacent to the air inlet, wherein a distance between the second end and mesh holes disposed adjacent to the second end is a third distance, wherein the and the third distance is at least 1/5 of the second distance. 74. The portable vacuum cleaner according to claim 73, wherein a distance between the second end and the mesh holes disposed adjacent to the second end is 5 mm or more. 74. The handheld vacuum cleaner of claim 73, wherein the dust air separation mechanism further comprises a deflector coupled to the screen, the deflector configured to direct the airflow to the screen. 76. The handheld vacuum cleaner of claim 75, wherein the deflector is disposed at the second end, the deflector having a deflector surface arranged adjacent to the mesh apertures. 77. The handheld vacuum cleaner according to claim 76, wherein the guide surface is an inclined surface, and the inclined surface slopes from top to bottom in a direction proximate the second end to a direction away from the second end. 76. The apparatus of claim 75 wherein said deflector comprises a first deflector and a second deflector connected to said first deflector; the first deflector is arranged along an outer circumferential surface of the screen; and the second deflector extends from the second end to the first end. 76. The handheld vacuum cleaner according to claim 75, wherein along the axial direction of the dust air separation mechanism, the length of the end of the deflector is substantially equal to the length of the air inlet. 72. The handheld vacuum cleaner according to claim 71, wherein the air flow direction of the suction pipe is substantially parallel to the axial direction of the dust air separation mechanism. As a portable vacuum cleaner,
a body portion including a suction pipe, a drive mechanism configured to generate an airflow along the suction pipe, and a dust air separation mechanism configured to communicate with the suction pipe and separate dirt and dust from the airflow; and
a gripping portion connected to the body portion and configured for gripping;
wherein a rotational axis of the drive mechanism and a longitudinal axis of the dust-air separation mechanism substantially coincide, and an axis of the gripping portion extends through a region between the drive mechanism and the dust-air separation mechanism. 82. The system of claim 81 wherein said dust air separation mechanism comprises a cyclone separation assembly and an air outlet HEPA connected to said cyclone separation assembly and positioned adjacent said drive mechanism; and an axis of the gripping portion extends through the air outlet HEPA. 83. The apparatus of claim 82 wherein an outer shell is provided with an air inlet adjacent to said drive mechanism; the dust air separation mechanism includes a cover having a through hole; the cover communicates with the air inlet through the through hole; wherein the cyclone separation assembly is disposed within the cover. 84. The handheld vacuum cleaner of claim 83, wherein a diameter of an outer shell outside the drive mechanism is smaller than a diameter of the cover. 84. The handheld vacuum cleaner of claim 83, wherein the air inlet is located above the gripping portion. 84. The portable vacuum cleaner according to claim 83, wherein the operating part is connected with the outer shell through a rod body, and the rod body communicates with the air inlet. 83. The handheld vacuum cleaner of claim 82, wherein a first sealing member is further disposed between the air outlet HEPA and the drive mechanism to improve sealing. 83. The system of claim 82, wherein the dust air separation mechanism further comprises a fixing bracket coupled with the cyclone separation assembly; The holding bracket is configured to clamp and fix the air outlet HEPA and fasten the driving mechanism. 82. The portable vacuum cleaner according to claim 81, further comprising a power unit configured to supply electric power to the drive mechanism, the power unit positioned at an end of the gripping portion away from the drive mechanism. 82. The handheld vacuum cleaner according to claim 81, wherein the dust-air separation mechanism is detachably installed within the accommodation space defined by the body portion.

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