CN212913059U - Dust collector - Google Patents

Abstract

The utility model discloses a dust collector, include: 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 is provided with a driving device, and the driving device is used for driving the connecting part to move forwards so that the wiping piece at the front end of the connecting part and the surface of the first separator slide relatively. The utility model discloses a set up drive arrangement in the connecting portion of dirt cup subassembly, avoid exposing outside injury operator, it is convenient more safe. And whole stroke can be according to the longer that the demand set up to scrape grey effect better. And the driving device is simpler and more convenient to install due to the simple structure of the connecting part, and the production and the manufacture are more facilitated.

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 slidably accommodated in the outer shell, 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; wherein a driving device is arranged in the dust cup assembly and used for providing driving force for driving the connecting part to move from back to front.

Preferably, the driving device comprises a spring and an elastic block, one end of the spring is fixedly connected with the end part of the connecting part, and the other end of the spring is fixedly connected with the elastic block.

Preferably, the side wall of the connecting part is provided with at least one sliding groove extending forwards and backwards, and the elastic block is provided with a convex block accommodated in the sliding groove.

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 against the front end wall of the outer shell, and a second position in which the rear end wall of the cup is spaced apart from the front end wall of the outer shell.

Preferably, a second hook portion is arranged at the extending tail end of the connecting portion, the outer shell is provided with a locking portion, and the second hook portion and the locking portion are mutually in snap fit 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 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, 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 utility model discloses a set up drive arrangement in the connecting portion of dirt cup subassembly, avoid exposing outside injury operator, it is convenient more safe. And whole stroke can be according to the longer that the demand set up to scrape grey effect better. And the driving device is simpler and more convenient to install due to the simple structure of the connecting part 33, and the production and the manufacture are more facilitated.

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.

Figure 8 is a cross-sectional view of the cleaner shown in use.

Fig. 9 is a sectional view showing the cleaner in a dust dumping state.

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 will be described with reference to fig. 1 to 4.

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 device 40 is used for filtering the dust-containing airflow, and the dirt cup assembly 30 is used for accommodating the dirt filtered by the filter device 40. 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 driving device 35 is further mounted inside the connecting portion, and the driving device includes a spring 351 having one end fixedly connected to an end of the connecting portion 35 and a driving block 352 fixedly connected to the other end of the spring. The side wall of the connecting portion 33 is further provided with a sliding slot 336 extending lengthwise, the side wall of the driving block 352 is provided with a protrusion 353, the protrusion 353 is accommodated in the sliding slot 336, and when the spring is compressed by external force or expands and contracts by removing the external force, the spring can drive the driving block 352 to move back and forth along the extending direction of the sliding slot 336.

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

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.

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 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 spring 117 is parallel to the axis X. When the spring 117 is in a stretched state, the release button 116 is driven by the spring 117 to engage with the locking portion 115, and the locking portion 115 is always engaged with the second hook 334 by the engagement of the release button 116. When the user operates the release button 116, the spring 117 is compressed, the release button 116 moves backwards along the axial direction, and the release button 116 drives the locking portion 115 to move, the locking portion 115 is released from the snap fit with the second hook portion 334, at this time, the elastic compression force provided by the spring 351 of the driving device 35 drives the elastic block 352 to rapidly move backwards along the axial direction to pop out, that is, the elastic block 352 applies a pushing force to the filter device 40, and since the filter device 40 is fixed on the main body portion 10, the filter device 40 applies a reverse force to the connecting portion 33, so that the connecting portion 33 moves forwards 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 forwards.

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 to 7, in the whole installation process of the vacuum cleaner 100 according to the embodiment of the present invention, the first-selected filtering device 40 is fixed in the outer casing 11 of the main body 10 by means of a rotating buckle, then the dust cup assembly 30 is sleeved on the filtering device 40, and the guide rail 331 on the connecting portion 33 is aligned with the guide groove 113 in the outer casing 111 of the main body 10, the protrusion 332 is pressed downward so that the guide rail 331 can be smoothly installed in the guide groove 113, the dust cup assembly 30 is continuously pushed backward along the axial direction, at this time, the driving device 35 in the connecting portion 33 abuts against the filtering device 40, at the same time, the spring of the driving device 35 is gradually compressed, the dust cup assembly 30 continuously moves backward until the second hook portion 332 on the connecting portion 33 and the locking portion 114 on the main body 10 click to complete the locking, at this time, the whole vacuum cleaner 100 is assembled.

Referring to fig. 8 and 9, 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 35 drives the connecting portion 33 to move, that is, the spring 351 in a compressed state releases elastic potential energy to make the elastic block 352 quickly pop out backwards along the axial direction, since the elastic block applies a pushing force to the filter device 40, since the filter device 40 is fixed on the main body, the filter device applies a reaction force to the connecting portion 33, so as to push the connecting portion 33 to quickly move forwards along the axial direction, until the protruding portion 334 at the end of the connecting portion 33 interferes with the block 114 on the outer housing 11, the entire process is completed with the movement of the dirt cup assembly 30 from the first position to the second position, while the wiper 335 is in sliding friction against the surface of the first separator 42, thereby scraping dirt and hair from the surface or mesh of the first separator 42.

The utility model discloses a set up drive arrangement 35 in the connecting portion 33 of dirt cup subassembly, avoid exposing outside injury operator, it is convenient more safe. And whole stroke can be according to the longer that the demand set up to scrape grey effect better. And the driving device is simpler and more convenient to install due to the simple structure of the connecting part 33, and the production and the manufacture are more facilitated.

After the dust cup assembly 30 is moved backward along the axial direction by the user operating the dust cup assembly 30 after the dust pouring operation is completed, the spring 351 in the driving device 35 is gradually compressed until the rear end wall of the cup body 31 abuts against the front end wall of the outer housing 11, and the second hook 334 of the connecting portion 33 cooperates with the locking portion 115 to generate a clicking sound to remind the user that the dust cup assembly 30 has moved to the first position and is fixed to the main body 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 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 (10)

1. A vacuum cleaner, comprising:

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

a filter device for filtering dust-laden air, said filter device comprising at least a 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 slidably accommodated in the outer shell, 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;

the method is characterized in that: and a driving device is arranged in the dust cup assembly and is used for providing driving force for driving the connecting part to move from back to front.

2. The vacuum cleaner of claim 1, wherein: the driving device comprises a spring and an elastic block, one end of the spring is fixedly connected with the end part of the connecting part, and the other end of the spring is fixedly connected with the elastic block.

3. The vacuum cleaner of claim 2, wherein: the side wall of the connecting part is provided with at least one sliding groove extending forwards and backwards, and the elastic block is provided with a convex block contained in the sliding groove.

4. 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.

5. The vacuum cleaner of claim 4, 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.

6. The vacuum cleaner of claim 5, 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.

7. The vacuum cleaner of claim 6, 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.

8. The vacuum cleaner of claim 7, 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.

9. 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 first separator.

10. The vacuum cleaner of claim 1, wherein: the vacuum cleaner comprises a holding part positioned at the rear end of the main body part, and a battery assembly is also accommodated in the holding part and used for providing power for the power device.

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