CN212234298U - Dust collector - Google Patents

Abstract

The utility model discloses a dust collector, include: the main body part comprises an outer shell and a power device accommodated in the outer shell; a filter arrangement for filtering dust laden air, the filter arrangement comprising a first separator and a second separator downstream of the first separator; the dust cup assembly is used for accommodating dirt separated by the filtering device and comprises a cup body and a bottom cover arranged at one end of the cup body. The dust cup assembly further comprises a connecting part axially and backwards extending from the other end of the cup body, the connecting part is slidably accommodated in the outer shell, a wiping part is arranged at the front end of the connecting part, when the connecting part slides along the axial direction, the wiping part and the surface of the first separator slide relatively to each other to scrape off dust on the surface of the first separator, and a user does not need to clean the dust in the dust cup by hands.

Description

Dust collector

Technical Field

The utility model belongs to the technical field of domestic appliance technique and specifically relates to a vacuum cleaner is related to.

Background

In the dust catcher trade, adopt dirt cup whirlwind structure to separate the dirt gas mostly, also there is dust rubbish to adsorb to block up on the isolating construction, this greatly reduced separation effect to the user is falling the ash clearance in-process, need dismantle the dust catcher dirt cup subassembly and clear up dust rubbish, and user direct contact dust, user experience greatly reduced.

With the continuous development of the technology and the continuous upgrade of the consumer's demand, it is necessary to provide a new dust cup assembly to solve the above technical problems, avoid the user's hand touching the dust, and improve the comfort level of the user.

SUMMERY OF THE UTILITY MODEL

The utility model overcomes prior art exists not enough, for this reason, the utility model provides a dust catcher to the artifical difficult cleanness of dirt cup subassembly of solving current dust catcher, easily be infected with the dust, and the poor problem of user experience effect.

In order to solve the technical problem, the utility model discloses a technical scheme be: a vacuum cleaner, comprising: the main body part comprises an outer shell and a power device accommodated in the outer shell; a filter arrangement for filtering dust laden air, the filter arrangement comprising a first separator and a second separator downstream of the first separator; the dust cup assembly is used for accommodating dirt separated by the filtering device and comprises a cup body and a bottom cover arranged at one end of the cup body, and the extending direction of the dust cup assembly is defined as the axial direction; the dust cup assembly further comprises a connecting part axially and backwards extending from the other end of the cup body, the connecting part is contained in the outer shell in a sliding mode, a wiping part is arranged at the front end of the connecting part, and when the connecting part slides along the axial direction, the wiping part and the surface of the first separator slide relatively.

Preferably, the connecting portion is movable relative to the body portion in an axial direction between a first position in which the rear end wall of the cup abuts the front end wall of the outer shell, and a second position in which the rear end wall of the cup is spaced from the front end wall of the outer shell.

Preferably, the filter device is provided with a driving device, and the driving device is used for providing a driving force for driving the connecting part to move from the first position to the second position.

Preferably, a second hook portion is provided at the extending end of the connecting portion, the outer housing is provided with a locking portion, and the second hook portion and the locking portion are mutually in snap fit to fix the dust cup assembly to the main body portion, that is, to keep the connecting portion at the first position.

Preferably, the side wall of the connecting part is provided with a guide rail, the guide rail extends forwards and backwards along the axial direction, and the outer shell is provided with a guide groove for accommodating the guide rail.

Preferably, the rear end of the guide rail is provided with a protruding part, the front end of the outer shell is provided with a blocking part, and when the connecting part is located at the second position, the protruding part is in interference fit with the blocking part.

Preferably, the main body is further provided with a trigger device, the trigger device is used for controlling the locking part to be disengaged from the second hook part, and when the second hook part is disengaged from the locking part, the driving device drives the dust cup assembly to move along the axial direction.

Preferably, the bottom cover is pivotally mounted at one end of the cup body, a first hook portion is arranged on the bottom cover, a lock catch matched with the first hook portion is arranged on the cup body, and the first hook portion is in snap fit with the lock catch to fix the bottom cover on the cup body.

Preferably, a connecting rod and a second spring matched with the connecting rod are further accommodated on the side wall of the cup body, the connecting rod can slide back and forth along the axial direction, the second spring is used for providing a driving force for driving the connecting rod to move backwards along the axial direction, and when the connecting rod moves backwards, the front end of the connecting rod presses the lock catch and enables the lock catch to be disengaged from the first clamping hook portion.

Preferably, the wiper has an annular structure and an inner diameter of the wiper is equal to or smaller than an outer diameter of the first separator.

Preferably, the wipe is a deformable resilient material.

Preferably, a battery assembly is further accommodated in the holding portion, and the battery assembly is used for providing power for the power device.

Compared with the prior art, the utility model beneficial effect who has is: the dust cup assembly is arranged on the main body in a sliding mode, the wiping piece on the connecting portion and the first separator surface slide relatively to rub through the front and back movement of the dust cup assembly, the dust on the first separator surface is scraped, a user does not need to clean the dust in the dust cup with a hand, the whole process is efficient and sanitary, and the contact of the user with the dust is reduced.

Drawings

The present invention will be further described with reference to the accompanying drawings.

Fig. 1 is a schematic view of a vacuum cleaner according to an embodiment of the present invention in a use state.

Fig. 2A is a schematic view of a dust cup assembly of a vacuum cleaner according to an embodiment of the present invention.

Figure 2B is a cross-sectional view of the dirt cup assembly of the vacuum cleaner shown in figure 2A taken along line A-A.

Fig. 3A is a schematic view of a filter assembly of a vacuum cleaner according to an embodiment of the present invention.

Figure 3B is a cross-sectional view of the filter of the vacuum cleaner shown in figure 3A taken along the line B-B.

Fig. 4A is a schematic view of a main body of a vacuum cleaner according to an embodiment of the present invention.

Figure 4B is a cross-sectional view of the main body of the cleaner of figure 4A taken along the line C-C.

Fig. 5 is a schematic view of a vacuum cleaner according to an embodiment of the present invention in a dust dumping state.

Fig. 6 is a schematic view of the filter assembly of the vacuum cleaner according to the embodiment of the present invention mounted on the main body.

Fig. 7 is a schematic view illustrating an assembling process of a dust cup assembly of a vacuum cleaner according to an embodiment of the present invention.

Fig. 8 is a partial sectional view of the assembled vacuum cleaner according to the embodiment of the present invention.

Figure 9 is a cross-sectional view taken along the line E-E of the cleaner shown in use.

Fig. 10 is a sectional view of the cleaner shown in a dust dumping state taken along the line F-F.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

A vacuum cleaner 100 according to an embodiment of the present invention is described below with reference to fig. 1 to 4B.

Fig. 1 shows a vacuum cleaner 100 according to an embodiment of the present invention, in which the vacuum cleaner 100 is a handheld vacuum cleaner. Specifically, the cleaner 100 has a substantially longitudinally extending tubular shape, and includes a main body 10, a grip 20 located at the rear end of the main body 10, a dirt cup assembly 30 attached to the front end of the main body 10, and a filter device 40 housed in the dirt cup assembly 30. The filter assembly 40 is used for filtering a dust-containing airflow, and the dirt cup assembly 30 is used for containing dirt separated by the filter assembly. The grip portion 20 is fixedly connected to the main body 10, and the filter device 40 and the dirt cup assembly 30 are detachably mounted on the main body 10. Wherein the radial dimension of the main body portion 10 is the same as the radial dimension of the dirt cup assembly 30, and the radial dimension of the grip portion 20 is smaller than the radial dimensions of the main body portion 10 and the dirt cup assembly 30. The arrangement can ensure that the size of the holding part 20 can be convenient for a user to operate with one hand when the dust collector is used.

Further referring to fig. 2A-2B, the dust cup assembly 30 of the vacuum cleaner 100 according to the embodiment of the present invention defines the extending direction of the dust cup assembly 30 as the axial direction and the axis X of the dust cup assembly 30. The dirt cup assembly 30 includes a hollow cylindrical transparent cup body 31, a bottom cover 32 provided at one end of the cup body 31, and a connecting portion 33 formed to extend axially rearward from the other end of the cup body 31. Wherein the radial dimension of the connecting portion 33 is slightly smaller than the radial dimension of the cup 31. An air inlet 323 is provided in the bottom cover 32, and the dusty airflow enters the dirt cup assembly 30 through the air inlet 323 and is filtered by the filter assembly 40. One end of the bottom cover 32 is pivotally mounted to the bottom of the cup 31 by a pivot shaft 321, and the other end of the bottom cover 32 is provided with a first catch portion 322 capable of fixing the bottom cover 32 to the cup such that the bottom cover 32 can move between a closed position and an open position. The cup 31 is provided with a lock 311 engaged with the first hook 322 and a first spring 312 connected to the lock 311, and the extending direction of the first spring 312 is perpendicular to the axis X. When the first spring 312 is in a stretched state, the latch 311 is driven by the first spring 312 to cooperate with the first hook 322 to fix the bottom cover 32 to the cup body, and when the bottom cover 32 is in a closed position, the bottom cover 32 and the cup body 31 together form a dust collecting chamber 34 for collecting dust. When the bottom cover 32 needs to be opened to clean dust in the dust collecting cavity 34, a user can trigger the first spring 312, so that the first spring 312 is in a compressed state and the front end of the latch 311 tilts upwards, the latch 311 and the first latch part 322 are mutually released from being in snap fit, and the bottom cover 32 can be opened.

A torsion spring is further disposed on the preferred pivot shaft 321, so that the bottom cover 32 can be automatically bounced off by the elastic force provided by the torsion spring after being unlocked, thereby preventing the user from touching the bottom cover 32 with a hand and preventing dust from contaminating the hand of the user.

With continued reference to fig. 2B, a link 313 is also received in the sidewall of the cup 31, the link 313 being movable back and forth in the axial direction within a receiving cavity in the sidewall. The connecting rod 313 includes a first matching portion 3131 matching with the latch 311 and a second matching portion 3132 opposite to the first matching portion 3131, the first matching portion 3131 has an inclined surface 3133 protruding toward the direction close to the axis X, the second matching portion 3132 has a front end and a rear end opposite to the front end, the side wall further contains a second spring 315, one end of the second spring 315 abuts against the protrusion 316 on the side wall and the other end abuts against the front end of the second matching portion 3132, under the driving force of the second spring 315, the second matching portion 3132 can move backward along the axial direction, and at the same time, the first matching portion 3131 is driven to move backward, the inclined surface 3133 on the first matching portion 3131 abuts against the first spring 312, and the first spring 312 is compressed, and the latch 311 is released from the snap-fit with the first latch portion 322, thereby releasing the bottom cover 32. When the first fitting portion 3131 of the link 313 moves forward in the axial direction, the second spring 315 is in a compressed state, the inclined surface 3133 on the first fitting portion 3131 is disengaged from the first spring 312, the first spring 312 is changed from the compressed state to an extended state, and the lock catch 311 is driven to be snap-fitted with the first hook portion 322, so that the bottom cap 32 is fixed to the cup body 31.

The side of the connecting portion 33 is provided with a guide 331 protruding outward from the surface thereof, and the guide 331 horizontally extends from front to rear in the axial direction. The extending end of the guide rail 331 is provided with a protruding part 332, and a third spring 333 engaged with the protruding part 332, the extending direction of the third spring 333 is perpendicular to the axis X, and when the third spring 333 is in a stretching state, the protruding part 332 is driven by the third spring 333 to protrude outwards beyond the upper surface of the guide rail 331. When the user presses so that the third spring compresses 333, the protrusion 332 moves in a direction close to the axis X and is lower in height than the upper surface of the guide rail 331. The end of the connecting portion 33 is further provided with a second hook 334. The second hook 334 is aligned with the rail 331.

The inner wall of the front end of the connecting part 33 is further provided with a wiper 335, and the wiper 335 is provided in a circular ring shape. The wiper 335 is a deformable resilient material, preferably the wiper 335 may be a resilient rubber or a brush.

Preferably, a sealing ring is further disposed on the bottom cap 32, and the sealing ring cooperates with the cup body 31 to form a sealed space.

Referring to fig. 3A-3B, a filter 40 of a vacuum cleaner according to an embodiment of the present invention is shown, wherein the entire filter 40 is substantially tapered. It includes a main body 41, a first separator 42 disposed at the front end of the main body 41, an air intake channel 43 located at the front end of the first separator 42, and a second separator 44 housed in the main body 41. The first separator 42 is a coarse ash separator and the second separator 44 is a fine ash separator. The first separator 42 is a metal mesh enclosure with a plurality of mesh openings on the surface, and the second separator 44 is HEPA. The first separator 42 is further provided with a rectangular opening 421 on the surface. The filtering device 40 further comprises a wind-guiding wall 45 located inside the first separator 41. The upstream of the air intake channel 43 is connected with the air intake 323 on the bottom cover 32, the downstream of the air intake channel 43 is communicated with the upstream of the air guide wall 45, and the downstream of the air guide wall 45 is communicated with the opening 421 on the first separator 42. When the vacuum cleaner 100 is in operation, the dusty airflow is sucked in from the air inlet 323 on the bottom cover 32, enters the air guide wall 45 along the air inlet channel 43, is thrown out from the opening 421 on the first separator 42 at a high speed through the rotation separation of the air guide wall 45, and continues to flow through the first separator 42, wherein larger particles of dust in the airflow cannot pass through the meshes on the surface of the first separator 42 and are retained in the cup body 31. The airflow with the small particle dust separated by the first separator 42 passes through the mesh and then continues to be separated by the second separator 44 located downstream, and the airflow with the small particle dust removed is discharged through the rear end of the body 41.

The filter assembly 40 is further provided with a drive assembly 45, the drive assembly 45 being configured to provide a driving force to move the dirt cup assembly 30 such that the dirt cup assembly 30 moves forward in the axial direction. Specifically, the driving device 45 includes an annular elastic block 451 disposed on the body portion 41 and a fourth spring 452 engaged with the elastic block 451. The ring-shaped elastic block 451 is movable back and forth in the axial direction on the body portion 41. One end of the fourth spring 452 abuts against the rear end boss 411 of the body portion 41, and the other end abuts against the spring block 451. The front end of the body 41 is further provided with a protrusion 411, and the protrusion 411 is used for limiting the excessive forward movement of the elastic block 451. When the block 451 moves backward in the axial direction, the fourth spring 452 is gradually compressed to accumulate elastic potential energy. The accumulated elastic potential energy is released when the fourth spring 452 is in a stretched state, and the elastic block 451 is rapidly pushed forward so that the elastic block 451 is located at the foremost end of the body portion 41 and abuts against the projection 412 at the front end of the body portion 41.

The driving device 45 adopts a spring driving mode, and is simple in structure and low in cost.

With reference to fig. 3B, the inner wall of the extending end of the main body 41 is further provided with a plurality of fastening portions 413, and the fastening portions 413 are used for fixing the filtering device 40 to the main body 10.

Referring to fig. 4A-4B, a main body 10 according to an embodiment of the present invention includes a cylindrical outer housing 11 and a power unit 12 housed inside the outer housing 11. The power device 12 includes a motor 121 and an impeller 122 driven by the motor 121, and the impeller 122 rotates at a high speed under the driving of the motor 121 to generate a negative pressure, so as to form a suction force to suck the dust-containing air from the air inlet 323 and finally discharge the dust-containing air from the air outlets on both sides of the outer housing 11. An accommodating cavity 111 is formed at the front end of the power device 12 in the outer housing 11, and the accommodating cavity 111 is used for accommodating the connecting part 33 of the dust cup assembly 30 and the body part 41 of the filtering device 40. The power unit 12 has an engaging portion 123 at its distal end that engages with a locking portion 412 of the main body 41, and is rotatably locked to fix the filter unit 40 to the main body 10, as shown in fig. 6.

The inner wall of the outer housing 11 is provided with a guide groove 113 which is engaged with the guide rail 331 of the connecting portion 33. It is easy to think that a person skilled in the art can set the guide rail on the side wall of the outer housing 11 and the guide groove on the connecting portion 33 according to actual requirements. In addition, the number of the guide rails 331 and the guide grooves 113 is one in the present embodiment, but one skilled in the art may provide one pair or two pairs of guide rails and guide grooves, or more, according to actual needs. The guide rail 331 of the connecting portion 33 is housed in the guide groove 113 and slides back and forth along the axial direction. Further, in order to prevent the connection part 33 from sliding outward excessively to drop the dirt cup assembly 30 from the main body 10, the front end of the corresponding outer housing 11 is provided with a stopper 114, and the stopper 114 is engaged with the protrusion 332 of the connection part 33. The dirt cup assembly 30 is prevented from falling off by the interference fit of the stop portion 114 with the protrusion 332 to prevent the connection portion 33 from continuing to slide outwardly.

The locking portion 115 is disposed in the outer housing 11 and is engaged with the second hook 334 of the connecting portion 33, and the dust cup assembly 40 is fixedly mounted on the main body 10 by the locking portion 115 engaging with the second hook 334.

The main body 10 is further provided with a trigger device at an end thereof adjacent to the grip portion 20 for controlling the unlocking of the locking portion 115, and the trigger device includes a release button 116 provided on the outer housing 11 and a fifth spring 117 engaged with the release button 116. The release button 116 is arranged close to the grip portion 20, so that the user can toggle the release button 116 with the thumb when operating the cleaner with one hand, which is convenient for the user to use. The extension direction of the fifth spring 117 is parallel to the axis X. Under the stretching state of the fifth spring 117, the release button 116 is driven by the fifth spring 117 to be matched with the locking part 115, and the locking part 115 is always buckled with the second hook part 334 under the matching of the release button 116. When the user operates the release button 116, the fifth spring 117 is compressed, the release button 116 moves backward along the axial direction, the release button 116 drives the locking portion 115 to move, the locking portion 115 is in contact snap fit with the second hook portion 334, at this time, the elastic compression force provided by the fourth spring 452 of the driving device 45 drives the elastic block 451 to rapidly move forward and pop out along the axial direction, and the elastic block 451 drives the connecting portion 33 to move forward along the guide rail 331 axially until the protruding portion 332 on the guide rail 331 and the blocking block 114 on the outer housing are in interference fit, and the dust cup assembly 40 is prevented from further moving forward.

The grip portion 20 accommodates a power supply unit 21 and a control circuit board 22, and the control circuit board 22 controls the power supply unit 21 to supply power to the motor in the main body 10. Further, a switch 23 is disposed on the outer surface of the grip portion 20, the switch 23 is electrically connected to the control circuit board 22, and a user turns on or off the power supply of the vacuum cleaner 100 by touching the switch 23.

The preferred power supply component 21 is a lithium battery. The grip portion 20 is also provided at its distal end with a charging port through which the power module 21 is charged.

Referring to fig. 6-8, in the whole installation process of the vacuum cleaner 100 according to the embodiment of the present invention, the first filtering device 40 is fixed in the outer casing 11 of the main body 10 by rotating the buckle, the dust cup assembly 30 is sleeved on the filtering device 40, the guide rail 331 of the connecting portion 33 is aligned with the guide groove 113 of the outer casing 111 of the main body 10, the protrusion 332 is pressed downward to enable the guide rail 331 to be smoothly installed in the guide groove 113, the dust cup assembly 30 is continuously pushed backward along the axial direction, the connecting portion 33 drives the driving device 45 to move backward together, the fourth spring 452 is gradually compressed, the second fitting portion 3132 of the connecting rod 313 on the cup body 31 abuts against the front end wall of the outer casing 11, and the second spring 315 is moved forward along the axial direction and compressed to enable the lock catch 311 to be in snap fit with the first lock hook portion 322, and the dust cup assembly 30 continues to move backward until the second lock hook portion 332 on the connecting portion 33 is snapped with the lock portion 114 on the main body 10 The latch is complete and the entire cleaner 100 is now assembled.

Referring to fig. 9 and 10, the entire dirt cup assembly 30 is movable relative to the main body 10 in the axial direction between a first position and a second position. In the first position, the rear end wall of the cup 31 abuts against the front end wall of the outer case 11, the connecting portion 33 is completely received in the receiving cavity 111, and the second hook 334 is snap-fitted to the locking portion 115. In the second position, the rear end wall of the cup 31 is separated from the front end wall of the outer case 11, the second catch portion 334 is released from the snap-fit with the locking portion 115, and the projection 332 is in interference fit with the stopper 114, while the connecting portion 33 is mostly exposed outside the receiving cavity 111.

The wiper 335 is capable of sliding relative to the surface of the first separator 42 as the dirt cup assembly 30 is moved in an axial direction, i.e., from a first position to a second position. By the relative movement of the wiper 31 and the first separator surface 42, some dust in the mesh of the first separator 42 or hair entangled with the first separator surface 42 is removed.

Preferably, the inner diameter of the wiper 335 is smaller than or equal to the outer diameter of the first separator 42, so that the wiper 335 is arranged to rub against the surface of the first separator 42, thereby achieving better ash scraping effect.

Preferably, the distance of travel of the connection 33 from the first position to the second position is greater than the axial length of the mesh covered by the first separator 42, and the wiper 335 is located at the end of the first separator 42 when the connection 33 is in the first position, so that the wiper 335 can clean the entire mesh on the surface of the first separator 42 when the connection 33 is moved from the first position to the second position. It is possible to prevent the mesh dust from being incompletely cleaned on the surface of the first separator 42 or the hairs from being accumulated on the front end of the first separator. The problem that users cannot clean up cleanly can be prevented from cleaning for the second time.

When a user needs to clean dust in the cup 31 after completing a dust collection operation, the user only needs to push the release button 116 backwards, and then the release button 116 drives the locking portion 115 to move, so that the locking portion 115 is disengaged from the second hook 334 of the connecting portion 33, at this time, the driving device 45 drives the connecting portion to move, that is, the fourth spring 452 in a compressed state releases elastic potential energy to cause the elastic block 451 to rapidly eject forwards along the axial direction, and at the same time, the ejected elastic block 451 drives the connecting portion 33 to rapidly move forwards along the axial direction until the protrusion 334 at the end of the connecting portion 33 interferes with the blocking block 114 on the outer housing 11, and the whole process of moving the dust cup assembly 30 from the first position to the second position is completed, and the wiping member 335 makes relative sliding friction with the surface of the first separator 42 while moving, scraping dust and hair from the surface or mesh of the first separator 42. While the dirt cup assembly 30 is moved from the first position toward the second position, since the rear end wall of the cup body 31 is separated from the front end wall of the outer housing 11, the second spring 315 in a compressed state drives the second mating portion 3132 of the link 313 to move backward and takes the first mating portion 3131 of the link 313 to move backward at the same time, the inclined surface 3133 of the first mating portion 311 presses the latch 311 and compresses the first spring 312, so that the latch 311 is released from the snap-fit with the first latch portion 322 of the bottom cover 32, the bottom cover 32 pops open by the torsion spring, and dust in the cup body 31 is poured out of the opening of the bottom cover 32. The whole operation process user can accomplish through one-hand operation to the user need not to touch bottom and dirt cup subassembly in the whole process, has avoided the contaminated possibility of user's both hands, has promoted user's operation experience.

After the dust cup assembly 30 is moved backward along the axial direction after the dust pouring operation is completed, the fourth spring 452 of the driving device 45 is gradually compressed until the rear end wall of the cup 31 abuts against the front end wall of the outer housing 11, the second engaging portion 3132 of the connecting rod 313 is pressed by the front end wall of the outer housing 11 to move forward, meanwhile, the second spring 315 is compressed to drive the first engaging portion 3131 to move forward, the inclined surface 3133 of the first engaging portion 3131 is disengaged from the latch 311, the first spring 312 is changed from the compressed state to the extended state, and the latch 311 and the first latch portion 322 of the bottom cover 32 are again latched with each other. At the same time, the second hook 334 of the connecting portion 33 cooperates with the locking portion 115 to produce a clicking sound to alert the user that the dirt cup assembly 30 has been moved to the first position and is completely secured to the main body portion 10. At this time, the whole operation process is completed, and the user can continue to perform dust collection work or store the dust collector.

Of course, if the user cannot completely discharge the dust in the cup 31 after operating the release button 116 once, the above-mentioned dust pouring operation may be repeated several times until the dust in the cup 31 is completely discharged.

The utility model discloses a snap-fit is relieved through trigger device control locking portion 115 and second hook portion 334 to dust catcher 100, when second hook portion 334 and locking portion 115 are relieved to cooperate, drive arrangement 45 drive dirt cup subassembly 30 removes along axial direction, when dirt cup subassembly 30 is removing, wiper 335 on connecting portion 33 and first separator 42 surface production relative sliding friction, carry out one and scrape grey action, hang the hair on first separator 42 surface with the dust that blocks up in the mesh hole on first separator 42 or twine, avoid the user to carry out the secondary clearance. The user does not need to handle by hand to avoid touching dust.

The vacuum cleaner 100 of the present invention can complete the actions of scraping dust and opening the dust cup bottom 32 simultaneously by one key through the trigger device provided on the main body 10, thereby completely discharging the dust inside the cup 31. And the trigger device is arranged at one end of the main body part 10 close to the holding part 20, so that a user can complete the whole trigger action with one hand, the use by the user is convenient, and the operation experience of the user is improved.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims (12)

1. A vacuum cleaner, comprising:

the main body part comprises an outer shell and a power device accommodated in the outer shell;

the filtering device is used for filtering dust-containing air;

the dust cup assembly is used for accommodating dirt separated by the filtering device and comprises a cup body and a bottom cover arranged at one end of the cup body, and the extending direction of the dust cup assembly is defined as the axial direction;

the method is characterized in that: the dust cup assembly further comprises a connecting part axially and backwards extending from the other end of the cup body, the connecting part is contained in the outer shell in a sliding mode, a wiping piece is arranged at the front end of the connecting part, and when the connecting part slides along the axial direction, the wiping piece and the surface of the filtering device slide relatively.

2. The vacuum cleaner of claim 1, wherein: the connecting portion is movable relative to the main body portion in an axial direction between a first position in which the rear end wall of the cup abuts against the front end wall of the outer case and a second position in which the rear end wall of the cup is separated from the front end wall of the outer case.

3. The vacuum cleaner of claim 2, wherein: the filter device is provided with a driving device, and the driving device is used for providing driving force for driving the connecting part to move from the first position to the second position.

4. The vacuum cleaner of claim 3, wherein: the extension tail end of the connecting part is provided with a second clamping hook part, the outer shell is provided with a locking part, and the second clamping hook part and the locking part are mutually in clamping fit to keep the connecting part at the first position.

5. The vacuum cleaner of claim 4, wherein: the side wall of the connecting part is provided with a guide rail, the guide rail extends forwards and backwards along the axial direction, and the outer shell is provided with a guide groove for accommodating the guide rail.

6. The vacuum cleaner of claim 5, wherein: the rear end of guide rail is equipped with the protruding portion, the front end of shell body is equipped with the stop part, when connecting portion are located the second position, the protruding portion with stop part interference fit.

7. The vacuum cleaner of claim 4, wherein: the main body part is further provided with a trigger device, the trigger device is used for controlling the locking part and the second hook part to be released from buckling fit, and when the second hook part is released from being matched with the locking part, the driving device drives the dust cup assembly to move along the axial direction.

8. The vacuum cleaner of claim 2, wherein: the bottom cover is pivotally arranged at one end of the cup body, a first clamping hook portion is arranged on the bottom cover, a lock catch matched with the first clamping hook portion is arranged on the cup body, and the first clamping hook portion is in buckle fit with the lock catch to fix the bottom cover on the cup body.

9. The vacuum cleaner of claim 8, wherein: the side wall of the cup body is also provided with a connecting rod and a second spring matched with the connecting rod, the front end of the connecting rod is provided with an inclined surface for abutting against the lock catch, when the connecting part is located at the second position, the second spring drives the connecting rod to move backwards, and the inclined surface abuts against the lock catch to release the buckle matching with the first clamping hook part.

10. The vacuum cleaner of claim 1, wherein: the wiper is of an annular structure, and the inner diameter of the wiper is smaller than or equal to the outer diameter of the filter device.

11. The vacuum cleaner of claim 1, wherein: the wipe is a deformable resilient material.

12. The vacuum cleaner of claim 1, wherein: the vacuum cleaner is further provided with a holding part, a battery assembly is contained in the holding part, and the battery assembly is used for providing power for the power device.

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