CN113180536B

CN113180536B - Handheld dust collector

Info

Publication number: CN113180536B
Application number: CN202110493081.3A
Authority: CN
Inventors: 鲁保东; 吴淼; 王兜石; 杨威
Original assignee: Globe Jiangsu Co Ltd
Current assignee: Globe Jiangsu Co Ltd
Priority date: 2021-05-07
Filing date: 2021-05-07
Publication date: 2022-08-23
Anticipated expiration: 2041-05-07
Also published as: CN113180536A

Abstract

The invention discloses a handheld dust collector which comprises a shell, wherein the shell comprises a machine body, a handle and a base, and the handle is arranged between the machine body and the base; the suction generating unit is arranged on one side of the machine body far away from the handle; a dust collection unit mounted on the suction force generation unit; the battery pack is detachably mounted on one side, far away from the handle, of the base; the handle comprises a holding part and a supporting part which are connected between the body and the base, the holding part is coated with an electrostatic leading-out covering layer, and the electrostatic leading-out covering layer is electrically connected with the electrostatic generating part of the handheld dust collector. According to the handheld dust collector disclosed by the invention, the electrostatic leading-out covering layer is coated on the holding part of the handle, so that the damage of electrostatic accumulation to an integral circuit and the electric shock to a user can be avoided, and the user experience is improved.

Description

Handheld dust collector

Technical Field

The invention relates to the technical field of dust collectors, in particular to a handheld dust collector.

Background

At present, various types of cleaning devices are commonly used in daily life, and common cleaning devices in the market, such as handheld dust collectors, are more and more familiar to consumers and are popular with users due to the advantages of portability, no need of power cords during use and the like.

The existing handheld dust collector still has the following defects:

the battery pack in the existing handheld dust collector is inconvenient to disassemble due to the installation and fastening mode of the battery pack, so that the battery pack can only be charged together with the whole handheld dust collector, and the battery pack cannot be charged independently;

the existing handheld dust collector can absorb dust to generate a large amount of static electricity in the using process, if the static electricity is not led out in time, the static electricity can be gathered, on one hand, the gathered static electricity can harm the whole circuit, and on the other hand, the large amount of static electricity can be instantly released when being contacted by a user to cause electric shock to the user;

the existing handheld dust collector has the disadvantages that the dust collection efficiency of the dust collector is low due to unreasonable design of the positions and the sizes of the dust collection inlet of the dust cup and the dust collection inlet of the ground brush;

the existing handheld dust collector is not in accordance with human engineering due to unreasonable structure layout, and the use experience of a user is influenced.

In view of the above, there is a need for a handheld vacuum cleaner to solve the above problems.

Disclosure of Invention

In view of the above-mentioned shortcomings of the prior art, the present invention is directed to a hand-held vacuum cleaner, which solves the problems of the prior art, such as the damage to the circuit of the hand-held vacuum cleaner due to the accumulation of static electricity generated during the use of the hand-held vacuum cleaner and the electric shock generated by the user.

To achieve the above and other related objects, the present invention provides a hand-held cleaner including:

the shell comprises a machine body, a handle and a base, wherein the handle is arranged between the machine body and the base;

the suction generating unit is arranged on one side of the machine body far away from the handle;

a dust collection unit mounted on the suction force generation unit; and

the battery pack is detachably mounted on one side, far away from the handle, of the base;

the handle comprises a holding part and a supporting part which are connected between the body and the base, the holding part is coated with an electrostatic leading-out covering layer, and the electrostatic leading-out covering layer is electrically connected with an electrostatic generating part of the handheld dust collector.

In an embodiment of the present invention, an open slot is formed in a side of the base away from the handle, an insertion boss matched with the open slot is formed in a side of the battery pack close to the handle, the battery pack is detachably inserted and fixed in the open slot of the handle through the insertion boss, and the open slot at least partially wraps the insertion boss.

In an embodiment of the present invention, a guide slot is disposed on a slot wall of the open slot, and an insertion rib that is in directional fit with the guide slot is disposed on a side wall of the insertion boss.

In an embodiment of the invention, the insertion boss of the battery pack is inserted and fixed in the opening groove of the base along a direction parallel to the body.

In an embodiment of the present invention, a limiting member is disposed on one side of the battery pack close to the handle, and the limiting member includes a limiting main body portion, and a limiting protrusion portion and a limiting button portion that are integrally formed and disposed at two ends of the limiting main body portion; and one end of the bottom of the open slot, which is close to the insertion end, is provided with a limit clamping groove matched with the limit bulge.

In an embodiment of the invention, a limit mounting groove for mounting the limiting member and a limit cover for covering the limit mounting groove are arranged on one side of the battery pack close to the handle, and a first opening and a second opening for extending the limit protruding portion and the limit button portion are arranged on the limit cover.

In an embodiment of the present invention, an elastic element is disposed between the position-limiting element and the bottom of the position-limiting installation groove.

In an embodiment of the present invention, the elastic element includes two elastic elements, one elastic element is disposed between the limit protruding portion and the bottom surface of the limit installation groove, and the other elastic element is disposed between the limit button portion and the bottom surface of the limit installation groove.

In an embodiment of the invention, a limiting mounting bump is disposed in the middle of the limiting mounting groove, a limiting through hole matched with the limiting mounting bump is disposed in the middle of the limiting main body, and the limiting member is sleeved on the limiting mounting bump through the limiting through hole.

In an embodiment of the present invention, a guide rib is disposed on an outer side wall of the limit mounting protrusion, and a guide groove matched with the guide rib is disposed on an inner side wall of the limit through hole.

In an embodiment of the present invention, a guide groove is disposed on an outer side wall of the limit mounting protrusion, and a guide rib matched with the guide groove is disposed on an inner side wall of the limit through hole. In one embodiment of the present invention, the static electricity derivation covering layer includes a conductive ABS rubber covering layer.

In an embodiment of the invention, the holding portion, the supporting portion, the body and the base together enclose a finger-buckling portion, and the electrostatic discharge coating layer is integrally S-shaped and includes a first coating portion covering a part of the surface of the holding portion and a second coating portion covering a side of the finger-buckling portion close to the body.

In an embodiment of the invention, one end of the first wrapping portion close to the base is located on one side of the holding portion away from the supporting portion, and one end of the first wrapping portion close to the body is located on one side of the holding portion close to the supporting portion.

In an embodiment of the invention, a switch button and a boss are arranged on one side of the holding portion close to the supporting portion, the switch button is arranged close to the machine body, the boss is located on one side of the switch button far away from the machine body, and a button notch is formed in the electrostatic leading-out covering layer at a position corresponding to the boss.

According to the handheld dust collector, the electrostatic leading-out covering layer is coated on the holding part of the handle and is electrically connected with the electrostatic generating part of the handheld dust collector, so that static electricity generated by the electrostatic generating part can be led into the ground in time, damage to an integral circuit and electric shock to a user due to electrostatic accumulation are avoided, and user experience is improved.

Drawings

Fig. 1 is a perspective view of a hand-held cleaner according to the present invention.

Fig. 2 is a perspective view of the housing and battery pack of the hand-held cleaner of the present invention.

Fig. 3 is a perspective view of the static electricity discharging cover of the hand-held cleaner of the present invention.

Fig. 4 shows a front view of the main body of the hand-held cleaner of the present invention.

Fig. 5 is a perspective view illustrating a dust collecting unit and a suction force generating unit of the hand-held cleaner according to the present invention.

Fig. 6 is a perspective view of a battery pack of the hand-held cleaner according to the present invention.

Fig. 7 shows an exploded view of a battery pack of the hand-held cleaner of the present invention.

Fig. 8 is a perspective view of the housing of the hand-held cleaner of the present invention.

Figure 9 shows a schematic view of the battery pack insertion housing of the hand-held cleaner of the present invention.

Fig. 10 shows an exploded view of a floor brush of the hand-held cleaner of the present invention.

Fig. 11 is a front view showing a floor brush of a hand-held cleaner of the present invention.

Fig. 12 shows a cross-sectional view a-a in fig. 1.

Figure 13 shows a perspective view of a second suction inlet of the hand-held cleaner of the present invention.

Description of the reference symbols

The handheld vacuum cleaner 100, the housing 10, the body 11, the receiving groove 111, the air inlet duct 112, the first air inlet 1121, the first air outlet 1122, the locking assembly 113, the unlocking button 1133, the elastic mechanism 114, the thimble 1141, the first position-limiting portion 115, the abutting mechanism 116, the handle 12, the switch key 121, the boss 122, the holding portion 123, the supporting portion 124, the static electricity discharging cover 125, the first covering portion 1251, the second covering portion 1252, the annular opening 1253, the key notch 1254, the base 13, the open slot 131, the guiding slot 132, the position-limiting slot 133, the docking interface 134, the dust collecting unit 20, the dust cup 21, the first latch 211, the first dust-absorbing inlet 212, the 23, the fourth elastic element 24, the suction generating unit 30, the first pivot joint 301, the second position-limiting portion 313, the air duct unit 40, the air duct 41, the battery cup cover 50, the docking boss 51, the docking boss 511, the position-limiting cover 52, the first opening 521, the floor brush comprises a second opening 522, a limiting piece 53, a limiting convex part 531, a limiting button part 532, a limiting main body part 533, a limiting through hole 534, a guide groove 535, an output plug-in 54, a limiting mounting groove 55, a limiting mounting convex block 56, a guide convex rib 561, a floor brush 60, a floor brush shell 61, a rear top cover 611, a front top cover 612, a floor brush bottom plate 613, a side sealing plate 614, an air duct connecting part 62, a second connector 621, a second dust suction inlet 63, a first connector 631, an expanding section 632, a connecting section 633, a walking part 64, a rolling brush 65 and a bottom plate opening 66.

Detailed Description

The following embodiments of the present invention are provided by way of specific examples, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention.

Please refer to fig. 1-13. It should be noted that the drawings provided in the present embodiment are only for illustrating the basic idea of the present invention, and the components related to the present invention are only shown in the drawings rather than drawn according to the number, shape and size of the components in actual implementation, and the type, quantity and proportion of the components in actual implementation may be changed freely, and the layout of the components may be more complicated.

Referring to fig. 1, the present invention discloses a hand-held vacuum cleaner 100, which includes a housing 10, a dust collecting unit 20 mounted on the housing 10, a suction force generating unit 30, an air duct unit 40, a battery pack 50, and a floor brush 60.

Referring to fig. 1 and 2, the housing 10 includes a body 11 disposed along a first direction AA, a handle 12 extending outward from one side of the body 11 along a second direction BB, and a base 13 at an end of the handle 12 away from the body 11. The body 11 is provided with an accommodating groove 111, an air inlet duct 112, a locking assembly 113, an elastic mechanism 114 and a first limiting portion 115 arranged along the first direction AA. The receiving groove 111 has a substantially circular arc-shaped cross section and receives the dust collecting unit 20 and the suction force generating unit 30. The air inlet duct 112 includes a first air inlet 1121 and a first air outlet 1122. The first air inlets 1121 are disposed along a first direction AA. The first outlet 1122 penetrates through the bottom wall of the receiving cavity 111 to cooperate with the dust collecting unit 20 located in the receiving cavity 111, so as to guide the airflow entering from the first inlet 1121 into the dust collecting unit 20 through the first dust suction inlet 212 (see fig. 5) of the dust collecting unit 20. The locking member 113 is disposed at the bottom of the receiving groove 111 for cooperating with the dust collecting unit 20 to fix the dust collecting unit 20 and the suction force generating unit 30 in the receiving groove 111. The latch assembly 113 includes a secondary latch (not shown), a secondary elastic member (not shown) cooperating with the secondary latch, and an unlocking button 1133 mounted on the secondary latch, and the suction force generating unit 30 can be lifted up by means of the elastic mechanism 114 by pressing the unlocking button. Referring to fig. 2, the bouncing mechanism 114 is fixedly installed on the bottom wall of the receiving groove 111 for cooperating with the suction force generating unit 30. The eject mechanism 114 includes an ejector pin 1141 and a first elastic element (not shown) cooperating with the ejector pin 1141. In the present embodiment, the pop-up mechanism 114 is disposed opposite to the suction force generating unit 30, but it is understood that in other embodiments, the pop-up mechanism 114 may be disposed opposite to the dust collecting unit 20 so as to be engaged with the dust collecting unit 20. The first position-limiting part 115 is located in the accommodating groove 111 and faces the suction force generating unit 30. When the unlocking button 1133 is pressed to release the dust collecting unit 20, the elastic mechanism 114 can lift up the suction force generating unit 30, and the suction force generating unit 30 rotates around the first pivot 301, which will be described below, so that the suction force generating unit 30 drives the dust collecting unit 20 to disengage from the accommodating groove 111.

Referring to fig. 1-4, the handle 12 is formed by extending from the bottom of the receiving groove 111 along a second direction BB. The handle 12 comprises a holding part 123 and a supporting part 124 which are arranged in parallel, the holding part 123 and the supporting part 124 are positioned between the body 11 and the base 13, and the holding part 123, the supporting part 124, the body 11 and the base 13 together form a parallelogram. In order to eliminate the influence of a large amount of static electricity generated by dust adsorption on the hand-held vacuum cleaner 100 during use on human bodies and electronic components, a static electricity leading-out cover layer 125 is coated on the holding part 123125 and a static electricity generating part (defined as a part of the handheld dust collector which generates static electricity during dust suction; for example, the air duct 41 of the air duct unit 40, the dust cup 21 of the dust collecting unit 20, etc.) can be electrically connected by a wire, and static electricity can be generated on the static electricity generating part during the operation of the handheld dust collector 100, and the static electricity can be transmitted to the static electricity guiding-out covering layer 125 of the handle along the wire due to the electrically conductive connection between the static electricity generating part and the static electricity guiding-out covering layer 125 of the handle 12, and then the static electricity can be transmitted to the ground in time through the human body. The material of the static electricity discharge cover layer 125 may be, for example, conductive ABS rubber (the resistivity may be, for example, 10) ⁷ Ω～10 ¹¹ Ω), thermoplastic polyurethane elastomer rubber after addition of conductive impurities (conductive TPU, resistivity may be, for example, 10) ⁴ Ω～10 ⁹ Omega), the problem that people appear electricity when adopting metal wire etc. to derive the structure with regard to static and influence user experience can be avoided to electrically conductive non-metallic material, and electrically conductive non-metallic material can improve under the prerequisite that does not influence and hold sense, outward appearance and security and guarantee static conduction efficiency.

Referring to fig. 1-3, the static electricity discharge coating 125 may be substantially "S" shaped, or may be any shape that the hand can cover when holding the grip 123. The static electricity leading-out cover layer 125 includes a first covering portion 1251 covering a partial surface of the grip portion 123 and a second covering portion 1252 covering a side of the finger-fastening portion close to the body 11, which are connected to each other, one end (bottom end) of the first covering portion 1251 close to the base 13 is located at a side of the grip portion 123 far from the support portion 124, one end (top end) of the first covering portion 1251 close to the body 11 is located at a side of the grip portion 123 close to the support portion 124, which can ensure that the grip portion 123 of the handle 12 can contact the static electricity leading-out cover layer 125 regardless of how the grip portion 123 of the handle 12 is held, thereby achieving all-directional contact, ensuring static electricity conduction efficiency, avoiding damage to the whole circuit and electric shock to the user due to static electricity accumulation, and improving user experience, and because the design is formed on the static electricity leading-out cover layer 125 only in a partial area of the handle 12, therefore, the production cost can be reduced. A switch key 121 and a boss 122 are arranged on one side of the grip portion 123 close to the support portion 124, the switch key 121 is arranged close to the body 11, the boss 122 is arranged on one side of the switch key 121 far away from the body 11, a key notch 1254 is formed in the position of the static electricity leading-out covering layer 125 corresponding to the boss 122, and the key notch 1254 is communicated with an annular opening 1253 of the first covering portion 1251 through which the grip portion 123 passes. As an example, the static electricity discharging cover 125 may be formed on the handle 12 in an encapsulated manner, and may be formed with the handle 12 in one step, which simplifies the manufacturing process of the static electricity discharging cover 125. Referring to fig. 1, 2 and 4, an included angle α is formed between the handle 12 and the body 11. The included angle α is between 80 degrees and 140 degrees, preferably between 90 degrees and 120 degrees, more preferably between 105 degrees and 115 degrees, such as 107 degrees, 110 degrees, and 113 degrees. The handle 12 has a height H in a direction perpendicular to the first direction AA. The height H is between 85mm and 110 mm. The handle 12 is also provided with a switch button 121 and a boss 122. The switch button 121 is used to control the operation of the handheld vacuum cleaner 100. The protrusion 122 is located on a side of the switch button 121 away from the body 11, so that a user can apply a lifting force through the protrusion 122 when holding the handle 12, and also can protect the switch button 121. Preferably, the boss 122 is arcuate.

Referring to fig. 1, 2 and 4, the handle 12 includes a holding portion 123 and a supporting portion 124 that are parallel to each other, the holding portion 123 and the supporting portion 124 are located between the body 11 and the base 13, an output shaft of the suction force generating unit 30 defines a first reference line L1 parallel to the first direction AA, a side of the holding portion 123 away from the supporting portion 124 defines a second reference line L2 parallel to the second direction BB, a perpendicular line from a bottom end of the side of the holding portion 123 away from the supporting portion 124 to the first reference line L1 defines a fourth reference line L4, a line from a bottom end of the side of the holding portion 123 away from the supporting portion 124 to a center of gravity CG of the motor of the suction force generating unit 30 defines a fourth reference line L3, and an included angle between the second reference line L2 and the first reference line L1 is equal to the above-mentioned included angle α. The motor gravity center CG is located on the first reference line L1, and is located between the intersection point of the first reference line L1 and the second reference line L2 and the fourth reference line L4 and the second reference line L2, that is, an included angle β between the fourth reference line L3 and the first reference line L1 is between 60 degrees and 90 degrees, preferably between 80 degrees and 90 degrees, such as 82 degrees, 84 degrees, 86 degrees, 88 degrees, and the like.

Referring to fig. 1, 2 and 5, the dust collecting unit 20 is mounted on the suction force generating unit 30 to cooperate with the air inlet duct 112 to collect dust, dirt, etc. The dust collection unit 20 includes a dirt cup 21, a filter assembly (not shown), a cup cover 23, and a fourth elastic member 24. In this embodiment, the dust cup 21 is cylindrical, and a first dust suction inlet is formed on a side wall of the dust cup 21, and the first dust suction inlet may be rectangular, for example, and corresponds to the position of the first air outlet 1122 of the air inlet duct 112, so that the airflow entering from the first air inlet 1121 is guided into the dust collection unit 20 through the first dust suction inlet (see fig. 5) of the dust collection unit 20. The axis of the dirt cup 21 is parallel to the first direction AA. The side of the dust cup 21 facing the receiving groove 111 is provided with a first latch 211 engaged with a second latch of the latch assembly 113, so that the dust collection unit 20 is fixed in the receiving groove 111 by the engagement of the first latch 211 and the second latch. In the present embodiment, the first latch 211 is provided to the dust collection unit 20, and the latch assembly 113 is provided to face the dust collection unit 20. However, it is understood that, in other embodiments, the first latch 211 may also be disposed on the suction force generating unit 30, and the latch member 113 is disposed opposite to the suction force generating unit 30. The cup cover 23 is pivotally mounted on the dirt cup 21. One end of the fourth elastic element 24 abuts against the dust cup 21, and the other end abuts against the cup cover 23. When the dust collection unit 20 is separated from the receiving groove 111, the cup cover 23 is automatically opened by the fourth elastic member 24 so that the user can pour out the dust in the dust cup 21. When the dust collecting unit 20 is accommodated in the accommodating groove 111, the accommodating groove 111 faces the side wall of the cup cover 23 and abuts against the cup cover 23, so that the cup cover 23 is closed, and at this time, the fourth elastic element 24 is elastically deformed. In the present embodiment, the fourth elastic element 24 is a torsion spring. Referring to fig. 3, preferably, the body 11 is further provided with a holding mechanism 116 cooperating with the cup cover 23. When the dust collecting unit 20 is accommodated in the accommodating groove 111, the abutting mechanism 116 abuts against the cup cover 23, so that the cup cover 23 is in a closed state, and at this time, the fourth elastic element 24 is elastically deformed.

Referring to fig. 1, 2, 4 and 5, the suction force generating unit 30 is pivotally mounted on the body 11 through a first pivot 301, so that the suction force generating unit 30 can rotate around the first pivot 301. In the embodiment, the first pivoting member 301 is a pivot, but it is understood that in other embodiments, the first pivoting member 301 may be a shaft hole. The suction force generating unit 30 includes a housing 31, a motor (not shown) provided in the housing 31, an impeller (not shown) attached to the motor, and an air outlet portion. The housing 31 has a receiving cavity, a display 312 (shown in fig. 5), and a second position-limiting portion 313. The accommodating cavity is used for accommodating the motor and the impeller. The display screen 312 is used to display the operation information of the handheld cleaner 100. The operation information may be power information, charge state information, dust fullness warning information, congestion information, and the like. Preferably, the display screen 312 is perpendicular to the axis of the motor (i.e., the first reference line L1 described above). The axis of the motor is parallel to the first direction AA. The second position-limiting portion 313 is used to cooperate with the first position-limiting portion 115 to limit the rotation range of the suction force generating unit 30. When the first position-limiting portion 115 abuts against the second position-limiting portion 313, the suction force generating unit 30 cannot rotate around the first pivot member 301 in a direction away from the body 11. In this embodiment, the second position-limiting portion 313 is disposed on the suction force generation unit 30, and the first position-limiting portion 115 faces the suction force generation unit 30. However, it is understood that in other embodiments, the second position-limiting portion 313 may also be disposed on the dust collecting unit 20, and the first position-limiting portion 115 faces the dust collecting unit 20. The air outlet part 32 is disposed at one end of the housing 31 away from the display 312 and is connected to and engaged with the dust collecting unit 20.

Referring to fig. 1, the duct unit 40 is used to cooperate with the air inlet duct 112 and the floor brush 60 to perform the function of the handheld vacuum cleaner 100. The air duct unit 40 comprises an air duct 41, one end of the air duct unit 40 is communicated with the first air inlet 112 of the air inlet duct 112, and the other end is communicated with the air duct connecting part 62 of the floor brush 60. The air pipe 41 may be a rigid plastic pipe, a steel pipe, or the like, or may be a hose.

Referring to fig. 1, and 10-13, the floor brush 60 includes a floor brush casing 61, a rolling brush 65, an air duct connecting portion 62 and a traveling member 64, the rear end of the floor brush casing 61 is connected to the air duct connecting portion 62, the floor brush casing 61 has an accommodating cavity at the front end of the floor brush casing 61, the rear end of the accommodating cavity is communicated with the second dust suction inlet 63, the rolling brush 65 is rotatably installed in the accommodating cavity, and the traveling member 64 may be, for example, a traveling wheel, which is installed at the bottom of the rear end of the floor brush casing 61.

Specifically, referring to fig. 10-13, the floor brush housing 61 includes a floor brush base plate 613, a rear top cover 611, a front top cover 612, and side sealing plates 614 located at two sides of the floor brush housing 61, the front top cover 612 covers the front end of the floor brush base plate 613, the rear top cover 611 covers the rear end of the floor brush housing 61, the front top cover 612, the floor brush base plate 613, and the side sealing plates 614 at two sides together surround to form a receiving cavity, and the floor brush base plate 613 is provided with a base plate opening 66 in a region located at the bottom of the receiving cavity for exposing the rolling brush 65. The second dust suction inlet 63 includes a connecting section 633, an expanding section 632 and a first interface 631, which are sequentially arranged, the second dust suction inlet 63 is connected with the middle portion of the rear wall of the accommodating cavity through the connecting section 633, the air duct connecting portion 62 is used for being abutted with one end of the air duct 41, the second interface 621 is arranged at one end of the air duct connecting portion 62 close to the floor brush housing 61, and the first interface 631 and the second interface 621 can be communicated through a hose, for example.

In the present embodiment, in order to ensure the dust suction efficiency of the hand-held cleaner 100, the opening area of the first dust suction inlet 212 of the dust cup 21, the opening area of the second dust suction opening 63, and the cross-sectional area of the inner hole of the air duct 41 need to satisfy: the opening area of the first dust suction inlet is smaller than the cross-sectional area of the inner hole of the air duct, the opening area of the second dust suction inlet 63 is smaller than the cross-sectional area of the inner hole of the air duct, and the opening area of the first dust suction inlet 212 is larger than the opening area of the second dust suction inlet 63. Illustratively, the ratio of the open area of the second suction inlet 63 to the cross-sectional area of the internal bore of the ductwork is between 0.5 and 0.6, preferably between 0.53 and 0.56, such as 0.55. By way of example, the ratio of the opening area of the first dust suction inlet to the cross-sectional area of the inner bore of the hood is between 0.65 and 0.8, preferably between 0.70 and 0.76, such as 0.72.

When the handheld vacuum cleaner 100 is in operation, the airflow is sequentially sucked into the handheld vacuum cleaner 100 through the floor brush 60 and the air duct 41, enters the air inlet duct 112 through the first air inlet 1121, enters the dust cup 21 through the first air outlet 1122 and the first dust inlet 212, is filtered by the filter assembly in the dust cup 21, and is finally discharged through the air outlet of the suction generating unit 30.

When a user needs to clean dust in the dust collecting unit 20, the unlocking button 1133 is pressed first, the locking assembly 113 is disengaged from the first locking latch 211, at this time, the suction force generating unit 30 rotates upward around the first pivot 301 under the action of the bouncing mechanism 114, and the cup cover 23 is disengaged from the abutting mechanism 116, and the cup cover 23 is automatically opened under the action of the fourth elastic element 24, so that the user can pour out the dust in the dust cup 21. When the first position-limiting portion 115 abuts against the second position-limiting portion 313, the suction force generating unit 30 cannot rotate upward around the first pivot 301. When the user cleans the dust in the dust cup 21, the user only needs to press the dust collection unit 20 into the receiving groove 111, and at this time, the first latch 211 is matched with the latch assembly 113 to fix the dust collection unit 20 and the suction force generation unit 30 in the receiving groove 111, and the abutting mechanism 116 abuts against the cup cover 23, so that the cup cover 23 is in a closed state.

Referring to fig. 1, 2 and 6-9, the base 13 is detachably connected to the battery pack 50, an open slot 131 having an open end is disposed on a side of the base 13 away from the handle 12, a guide slot 132 is disposed on a slot wall of the open slot 131, an insertion boss 51 engaged with the open slot 131 is disposed on a side of the battery pack 50 close to the handle 12, the insertion boss 51 of the battery pack 50 can be inserted into the open slot 131 from an open end of the open slot 131 along a first direction, and the open slot 131 at least partially wraps the insertion boss 51, so as to prevent the insertion boss 51 of the battery pack 50 from coming out of the open slot 131 from a position outside the open end of the open slot 131, thereby ensuring stability of the battery pack 50.

Referring to fig. 1, 2 and 6-9, a guiding slot 132 is disposed on a wall of the opening slot 131, and an insertion rib 511 matching with the guiding slot 132 is disposed on a sidewall of the insertion boss 51, so that when the battery pack 50 is inserted into the base 13, the insertion rib 511 is inserted into the guiding slot 132 to prevent the battery pack 50 from coming out of the opening slot 131 in a non-insertion direction (a first direction AA).

Referring to fig. 1, 2 and 6-9, a limiting member 53 is disposed on one side of the battery pack 50 close to the handle 12, and the limiting member 53 includes a limiting body portion 533, and a limiting protrusion 531 and a limiting button portion 532 disposed at two ends of the limiting body portion 533 and integrally formed. One end of the bottom of the open slot 131 of the base 13 close to the insertion end is provided with a limit slot 133 corresponding to the limit boss 531 of the limit piece 53. When the battery pack 50 is inserted into the base 13, the limiting protrusion 531 extends into the limiting groove 133, and the limiting protrusion 531 and the limiting groove 133 are matched with each other to play a role in limiting the battery pack 50 to be separated from the opening groove 131 of the base 13 along the insertion direction.

Referring to fig. 1, 2 and 6-9, a limit mounting groove 55 and a limit cover 52 for covering the limit mounting groove 55 are disposed on one side of the battery pack 50 close to the handle 12, and the limit mounting groove 55 is disposed at one end of the insertion protrusion portion away from the insertion end. The limiting installation groove 55 is used for installing the limiting piece 53, the limiting cover 52 covers the limiting installation groove 55, the limiting cover 52 is provided with a first opening 521 and a second opening 522 at positions corresponding to the limiting protruding portion 531 and the limiting button portion 532, the limiting protruding portion 531 and the limiting button portion 532 are exposed from the first opening 521 and the second opening 522, and the limiting protruding portion 531 needs to protrude out of the surface of the limiting cover 52 when the battery pack 50 is detached and inserted into the base 13.

Referring to fig. 1, 2 and 6-9, the middle of the limiting installation groove 55 is provided with a limiting installation bump 56, the middle of the limiting main body portion 533 of the limiting member 53 is provided with a limiting through hole 534 matched with the limiting installation bump 56, the limiting member 53 is sleeved on the limiting installation bump 56 through the limiting through hole 534, and the limiting installation bump 56 can play a certain guiding role. In order to achieve a better guiding effect, a guiding rib 561 is arranged on the outer side wall of the limiting installation convex block 56, a guiding groove 535 matched with the guiding rib 561 is arranged on the inner side wall of the limiting through hole 534, and when the limiting part 53 is sleeved on the limiting installation convex block 56, the guiding rib 561 is inserted into the guiding groove 535 to achieve a guiding function. It is understood that in other embodiments, the guide groove 535 may be disposed on the side wall of the position limiting mounting protrusion 56, and the guide rib 561 may be disposed on the side wall of the position limiting through hole 534. A fifth elastic element (not shown) is further disposed between the limiting member 53 and the bottom surface of the limiting installation groove 55, and when the battery pack 50 is detached or inserted into the base 13, the limit piece 53 is lifted up, the limit boss 531 and the limit button 532 respectively protrude from the first opening 521 and the second opening 522, when the battery pack 50 is inserted into the base 13, the limiting protrusion 531 of the limiting member 53 is inserted into the limiting groove 133 of the base 13 to limit, so as to prevent the battery pack 50 from sliding out of the base 13 along the first direction, when releasing the battery pack 50, the limit button portion 532 is simply pressed downward, the limit projection 531 moves downward in synchronization with the limit button portion 532, and retracts into the corresponding opening of the limit cover 52, the position-restricting protrusion 531 is thus disengaged from the position-restricting notch 133, and the battery pack 50 can be removed from the base 13 in the opposite direction to the insertion direction.

Specifically, in the present embodiment, the fifth elastic member includes two, one is disposed between the position-restricting protrusion 531 and the bottom surface of the position-restricting mounting groove 55, and the other is disposed between the position-restricting button 532 and the bottom surface of the position-restricting mounting groove 55, and a structure for mounting the elastic member is provided at the position-restricting protrusion 531, the bottom surface of the position-restricting mounting groove 55, and the position-restricting button 532 corresponding to the fourth elastic member.

Referring to fig. 1, 2 and 6-9, the base 13 is disposed on a side of the handle 12 away from the body 11, and is provided with a docking interface 134 (not shown). The docking interface 134 is configured to interface with the output plug 54 of the battery pack 50 to obtain power from the battery pack 50.

In conclusion, the handheld dust collector disclosed by the invention has the advantages that the battery pack and the shell can be conveniently and quickly assembled and disassembled, the stability of the battery pack is ensured, and the handheld dust collector can be charged together with the whole dust collector or can be independently charged when the battery pack is charged. According to the handheld dust collector, the electrostatic leading-out covering layer is coated on the holding part of the handle and is electrically connected with the electrostatic generating part of the handheld dust collector, so that static electricity generated by the electrostatic generating part can be led into the ground in time, damage to an integral circuit and electric shock to a user due to electrostatic accumulation are avoided, and user experience is improved. According to the handheld dust collector, the position of the center of gravity of the motor of the suction generating unit is controlled and adjusted, so that the center of gravity of the motor of the suction generating unit is closer to the position of the tiger mouth of the holding hand, the design accords with human engineering, and better use experience is achieved. According to the handheld dust collector, the dust collection efficiency of the handheld dust collector can be higher through the design of limiting the positions of the first dust collection inlet of the dust cup and the second dust collection inlet of the floor brush and the proportional relation between the opening areas of the first dust collection inlet and the second dust collection inlet and the cross-sectional area of the inner hole of the air pipe.

In the description herein, numerous specific details are provided, such as examples of components and/or methods, to provide a thorough understanding of embodiments of the invention. One skilled in the relevant art will recognize, however, that an embodiment of the invention can be practiced without one or more of the specific details, or with other apparatus, systems, assemblies, methods, components, materials, parts, and/or the like. In other instances, well-known structures, materials, or operations are not shown or described in detail to avoid obscuring aspects of embodiments of the invention.

It will also be appreciated that one or more of the elements shown in the figures can also be implemented in a more separated or integrated manner, or even removed for inoperability in some circumstances or provided for usefulness in accordance with a particular application.

Additionally, any reference arrows in the drawings/figures should be considered only as exemplary, and not limiting, unless otherwise expressly specified. Further, as used herein, the term "or" is generally intended to mean "and/or" unless otherwise indicated. Combinations of components or steps will also be considered as being noted where terminology is foreseen as rendering the ability to separate or combine is unclear.

The above description of illustrated embodiments of the invention, including what is described in the abstract of the specification, is not intended to be exhaustive or to limit the invention to the precise forms disclosed herein. While specific embodiments of, and examples for, the invention are described herein for illustrative purposes only, various equivalent modifications are possible within the spirit and scope of the present invention, as those skilled in the relevant art will recognize and appreciate. As indicated, these modifications may be made to the present invention in light of the foregoing description of illustrated embodiments of the present invention and are to be included within the spirit and scope of the present invention.

The systems and methods have been described herein in general terms as the details aid in understanding the invention. Furthermore, various specific details have been given to provide a general understanding of the embodiments of the invention. One skilled in the relevant art will recognize, however, that an embodiment of the invention can be practiced without one or more of the specific details, or with other apparatus, systems, assemblies, methods, components, materials, parts, and/or the like. In other instances, well-known structures, materials, and/or operations are not specifically shown or described in detail to avoid obscuring aspects of embodiments of the invention.

Thus, although the present invention has been described herein with reference to particular embodiments thereof, a latitude of modification, various changes and substitutions are intended in the foregoing disclosures, and it will be appreciated that in some instances some features of the invention will be employed without a corresponding use of other features without departing from the scope and spirit of the invention as set forth. Thus, many modifications may be made to adapt a particular situation or material to the essential scope and spirit of the present invention. It is intended that the invention not be limited to the particular terms used in following claims and/or to the particular embodiment disclosed as the best mode contemplated for carrying out this invention, but that the invention will include any and all embodiments and equivalents falling within the scope of the appended claims. Accordingly, the scope of the invention is to be determined solely by the appended claims.

Claims

1. A hand-held cleaner, comprising:

a suction force generating unit mounted on the body;

a dust collection unit mounted on the suction force generation unit; and

the handheld part of the handle is coated with an electrostatic lead-out covering layer which is electrically connected with the electrostatic generating part of the handheld dust collector;

the machine body is provided with a lock catch component; the suction force generating unit is pivoted on the machine body, and the dust collecting unit comprises a dust cup and a cup cover matched with the dust cup; the suction generating unit or the dust collecting unit is provided with a first lock catch matched with the lock catch assembly, and when the lock catch assembly is combined with the first lock catch, the cup cover is closed; when the lock catch component is separated from the first lock catch, the cup cover is opened.

2. The handheld vacuum cleaner of claim 1, wherein the base is provided with an opening slot, one side of the battery pack close to the handle is provided with a plug-in boss matched with the opening slot, the battery pack is detachably plugged and fixed in the opening slot through the plug-in boss, and the opening slot at least partially wraps the plug-in boss.

3. The handheld vacuum cleaner of claim 2, wherein a guide slot is formed on a wall of the open slot, and an insertion rib is formed on a sidewall of the insertion boss to be engaged with the guide slot.

4. The handheld vacuum cleaner of claim 2, wherein the insertion boss of the battery pack is inserted and fixed in the opening groove of the base in a direction parallel to the machine body.

5. The handheld vacuum cleaner of claim 2, wherein a limiting part is arranged on one side of the battery pack close to the handle, and the limiting part comprises a limiting main body part and a limiting convex part and a limiting button part which are arranged at two ends of the limiting main body part and are integrally formed; and one end of the bottom of the open slot, which is close to the insertion end, is provided with a limit clamping groove matched with the limit bulge.

6. The handheld vacuum cleaner of claim 5, wherein a side of the battery pack close to the handle is provided with a limit mounting groove for mounting the limit member and a limit cover for covering the limit mounting groove, and the limit cover is provided with a first opening and a second opening for extending the limit protrusion and the limit button.

7. The handheld vacuum cleaner of claim 6, wherein an elastic element is disposed between the position-limiting member and the bottom of the position-limiting installation groove.

8. The hand-held cleaner of claim 7, wherein the elastic member includes two, one disposed between the stopper protrusion and the bottom surface of the stopper installation groove, and the other disposed between the stopper button and the bottom surface of the stopper installation groove.

9. The handheld vacuum cleaner of claim 6, wherein a limiting installation bump is disposed in a middle of the limiting installation groove, a limiting through hole matched with the limiting installation bump is disposed in a middle of the limiting main body, and the limiting member is sleeved on the limiting installation bump through the limiting through hole.

10. The handheld vacuum cleaner of claim 9, wherein the outer side wall of the limit mounting projection is provided with a guide rib, and the inner side wall of the limit through hole is provided with a guide groove matched with the guide rib.

11. The handheld vacuum cleaner of claim 9, wherein the outer side wall of the limit mounting projection is provided with a guide groove, and the inner side wall of the limit through hole is provided with a guide rib matched with the guide groove.

12. The hand-held cleaner of claim 1, wherein the static-electricity-deriving cover layer comprises a conductive ABS rubber cover layer.

13. The handheld vacuum cleaner of claim 1, wherein the handle includes a holding portion and a supporting portion connected between the body and the base, the holding portion, the supporting portion, the body and the base together define a finger-buckling portion, and the static electricity leading-out covering layer is entirely "S" shaped and includes a first covering portion covering a partial surface of the holding portion and a second covering portion covering a side of the finger-buckling portion close to the body, which are connected to each other.

14. The handheld vacuum cleaner of claim 13, wherein an end of the first wrapping portion near the base is located on a side of the holding portion away from the supporting portion, and an end of the first wrapping portion near the body is located on a side of the holding portion near the supporting portion.

15. The handheld vacuum cleaner of claim 13, wherein a switch button and a boss are disposed on a side of the holding portion close to the supporting portion, the switch button is disposed close to the main body, the boss is disposed on a side of the switch button away from the main body, and a button notch is disposed on the static electricity leading-out covering layer at a position corresponding to the boss.