CN108113571B - Dust collector - Google Patents
Dust collector Download PDFInfo
- Publication number
- CN108113571B CN108113571B CN201711387493.9A CN201711387493A CN108113571B CN 108113571 B CN108113571 B CN 108113571B CN 201711387493 A CN201711387493 A CN 201711387493A CN 108113571 B CN108113571 B CN 108113571B
- Authority
- CN
- China
- Prior art keywords
- air
- dust cup
- air outlet
- chimb
- shell
- Prior art date
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- 239000000428 dust Substances 0.000 title claims abstract description 122
- 239000012530 fluid Substances 0.000 claims abstract description 8
- 230000009471 action Effects 0.000 claims abstract description 4
- 238000001914 filtration Methods 0.000 claims abstract description 3
- 238000001816 cooling Methods 0.000 claims description 66
- 230000001154 acute effect Effects 0.000 claims description 4
- 230000007246 mechanism Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 6
- 238000007599 discharging Methods 0.000 abstract description 3
- 230000006872 improvement Effects 0.000 description 13
- 230000017525 heat dissipation Effects 0.000 description 6
- 230000001965 increasing effect Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L5/00—Structural features of suction cleaners
- A47L5/12—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum
- A47L5/22—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum with rotary fans
- A47L5/24—Hand-supported suction cleaners
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
- A47L9/28—Installation of the electric equipment, e.g. adaptation or attachment to the suction cleaner; Controlling suction cleaners by electric means
- A47L9/2889—Safety or protection devices or systems, e.g. for prevention of motor over-heating or for protection of the user
Abstract
The invention provides a dust collector, which comprises a dust cup component connected to a shell, a fan arranged in the shell and a battery pack connected to the shell and used for supplying power to the fan, wherein the shell is provided with an air inlet communicated with the outside, the fan is used for introducing external fluid into the dust cup component from the air inlet and discharging the external fluid after filtering, the battery pack is provided with a first air inlet facing the shell and a second air inlet communicated with the outside, the fan is provided with an air outlet, an air outlet air channel communicated with the air outlet cavity and the outside is arranged between the shell and the dust cup component, the air outlet air channel comprises a venturi tube structure part, the first air inlet is communicated with the venturi tube structure part through an air channel, and under the action of air flow in the air outlet air channel, the external air flow enters from the second air inlet and passes through the air channel and enters the air outlet air channel. Through setting up venturi structure portion, form high-speed air current, it is effectual to the radiating effect of battery package.
Description
Technical Field
The invention relates to the field of cleaning, in particular to a dust collector.
Background
With the high-speed development of economy, the demand of people for comfortable life is also becoming stronger, and dust collectors are also becoming more widely used. In general, a conventional vacuum cleaner is driven by being supplied with power from an indoor or outdoor power source through a power line led out to the outside, but in such a configuration, the power line must be reconnected every time the suction position is changed because the power line limits the movement range of the cleaner main body. In addition, the power cord pulled out may interfere with the movement of the cleaner body on the floor surface. Therefore, portable vacuum cleaners are becoming increasingly popular.
The portable dust collector comprises a rechargeable battery pack, and in the using process of the dust collector, the battery pack discharges to generate heat, so that the influence of heating of the battery pack on the performance and the service life of the battery pack is prevented, the original common scheme is that a grid is opened on the battery pack, and the battery pack is cooled by blowing by an independent fan. The disadvantages of this are the following disadvantage 1, increased cost; 2 the structure becomes complex; 3 the addition of a fan increases the energy consumption.
Accordingly, there is a need to provide an improved vacuum cleaner that addresses the above-described problems.
Disclosure of Invention
The invention aims to provide a dust collector which has a simple structure and can realize heat dissipation of a battery pack.
In order to achieve the above object, the invention provides a dust collector, comprising a dust cup assembly connected to a housing, a fan installed in the housing, and a battery pack connected to the housing for supplying power to the fan, wherein the housing is provided with an air inlet communicated with the outside, the fan is used for introducing external fluid into the dust cup assembly from the air inlet and discharging the external fluid after filtering, the battery pack is provided with a first air inlet facing the housing and a second air inlet communicated with the outside, the fan is provided with an air outlet, an air outlet air channel communicated with the air outlet cavity and the outside is arranged between the housing and the dust cup assembly, the air outlet air channel comprises a venturi tube structure part, the first air inlet is communicated with the venturi tube structure part through an air channel, and under the action of air flow in the air outlet air channel, the external air flow enters from the second air inlet and passes through the air channel and enters the air outlet air channel.
As a further improvement of an embodiment of the present invention, the venturi mechanism section includes a throat section; the first air port is communicated with the throat pipe part through an air duct.
As a further improvement of an embodiment of the present invention, an acute angle is formed between the air flow direction in the air outlet duct and the air flow direction in the duct near the throat portion.
As a further improvement of an embodiment of the present invention, the housing includes an upper connecting portion and a lower connecting portion, a hollow portion is formed between the upper connecting portion and the lower connecting portion, and the dust cup assembly portion is exposed from the hollow portion; the dust cup assembly comprises a cylindrical dust cup, the cooling air duct is arranged between the lower connecting portion and the outer wall of the dust cup, and the air outlet cavity is arranged at a position close to the lower connecting portion.
As a further improvement of one embodiment of the present invention, the air outlet duct is disposed adjacent to the periphery of the bottom of the dust cup assembly, and surrounds the dust cup assembly from one side from the air outlet chamber.
As a further improvement of an embodiment of the invention, the dust cup assembly comprises a cylindrical dust cup, and the cooling air duct is formed by the outer shell and the outer side wall of the dust cup.
As a further improvement of the embodiment of the invention, the dust cup is arranged on the upper side of the cooling air duct along the circumferential direction of the cooling air duct, a dust cup groove and a dust cup first convex edge axially spaced from the dust cup groove are arranged, the shell comprises a shell upper convex edge and a shell first convex edge which are axially spaced from each other along the dust cup, the shell upper convex edge is clamped in the dust cup groove, and the shell first convex edge is clamped on one side, adjacent to the cooling air duct, of the dust cup first convex edge.
As a further improvement of an embodiment of the invention, the dust cup is positioned at the lower side of the cooling air duct and is provided with a dust cup second convex edge and a dust cup bottom convex edge axially spaced from the second convex edge along the circumferential direction, the shell comprises a shell second convex edge, a shell third convex edge and a shell bottom convex edge axially spaced from the second convex edge, the shell second convex edge is clamped at one side of the dust cup second convex edge adjacent to the cooling air duct, the shell third convex edge is clamped between the dust cup second convex edge and the dust cup bottom convex edge, and the shell bottom convex edge radially abuts against the bottom of the dust cup.
As a further improvement of the embodiment of the invention, the dust cup component is provided with a first opening, an air inlet channel is arranged between the air inlet and the first opening, the dust cup component is also provided with a second opening communicated with the air outlet cavity, and the filtered gas is discharged from the air outlet cavity through the second opening.
As a further improvement of an embodiment of the present invention, the cooling air duct is wrapped from the air outlet cavity along one side of the dust cup assembly, and the air flow from the air outlet cavity can enter the first air port and then be discharged from the second air port.
As a further improvement of an embodiment of the present invention, the dust collector has a front side and a rear side with an air inlet, the cooling air duct surrounds the dust cup assembly from the air outlet cavity, and an outlet of the cooling air duct is arranged at the left rear side or the right rear side of the dust collector.
As a further improvement of an embodiment of the present invention, the throat portion is disposed at a position corresponding to the first air port, and a portion of the cooling air duct from the throat portion to an outlet of the air outlet air duct is disposed such that an air outlet direction is tangential to the dust cup assembly at the position of the throat portion.
As a further improvement of an embodiment of the present invention, the dust collector further includes a through hole communicating the air outlet cavity with the outside, and a ratio between an air volume entering the through hole from the air outlet cavity and an air volume entering the air outlet duct from the air outlet cavity can be adjusted.
The beneficial effects of the invention are as follows: from the above technical solutions, the present invention has a plurality of outstanding substantial technical features, and after implementing the technical solutions of the present invention, the significant technical progress is mainly: through setting up venturi structure portion, form high-speed air current, it is effectual to the radiating effect of battery package, more energy saving.
Drawings
Figure 1 is a front view of a cleaner in accordance with a preferred first embodiment of the present invention;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is a view similar to FIG. 2, showing one configuration of a single-sided cooling tunnel;
FIG. 4 is a cross-sectional view taken along line B-B in FIG. 2;
FIG. 5 is a cross-sectional view taken along line C-C of FIG. 1;
FIG. 6 is an enlarged view of portion a of FIG. 5;
FIG. 7 is a front view of the dirt cup assembly of the dirt cleaner of FIG. 1;
FIG. 8 is an enlarged view of portion b of FIG. 7;
figure 9 is a rear view of the left side housing of the cleaner of figure 1;
figure 10 is a schematic perspective view of the cleaner of figure 1 with the right side housing removed;
FIG. 11 is a schematic perspective view of a battery pack of the vacuum cleaner of FIG. 1;
figure 12 is a schematic cross-sectional view of a cleaner in accordance with a preferred second embodiment of the present invention;
figure 13 is a schematic cross-sectional view of a cleaner in accordance with a preferred third embodiment of the present invention;
FIG. 14 is an enlarged view of section c of FIG. 13;
fig. 15 is an enlarged schematic view of a portion of the air outlet duct with a throat portion according to a preferred fourth embodiment of the present invention.
Detailed Description
The present invention will be described in detail below with reference to embodiments shown in the drawings. However, these embodiments are not intended to limit the present invention, and structural or functional modifications thereof by those skilled in the art are intended to be included within the scope of the present invention.
The invention will be specifically described with reference to a preferred embodiment of a hand-held portable vacuum cleaner. Referring to fig. 1 to 9, the vacuum cleaner includes a housing, a dust cup assembly 20 connected to the housing, a fan 30 accommodated in the housing, and a battery pack 50 connected to the housing for supplying power to the fan 30, wherein an air inlet 13 communicating with the outside is provided at one side of the housing, a first opening 25 is provided on the dust cup assembly 20, an air inlet duct 31 is formed between the air inlet 13 and the first opening 25, and the fan 30 is used for introducing external fluid into the dust cup assembly 20 from the air inlet 13 and discharging the filtered fluid. In this embodiment, one side where the air inlet 13 is provided is defined as a front side of the cleaner, and the opposite side is defined as a rear side of the cleaner. The blower 30 is arranged between the air inlet 13 and the dirt cup assembly 20, i.e. the blower 30 is located on the front side of the dirt cup assembly 20. The fan cover 35 is arranged on the outer side of the fan 30, the through hole is arranged on the front side of the fan cover, the through hole can be an air outlet of the fan, a cavity, namely an air outlet cavity 33 of the fan, exists between the fan cover 35 and the fan 30, and hot air exhausted from the fan firstly enters the air outlet cavity 33 and is exhausted through the through hole.
In particular to the invention, a cooling air duct 40 is further arranged between the air outlet cavity 33 of the fan and the battery pack 50, and the upstream end of the cooling air duct 40 is communicated with the air outlet cavity 33, so that at least part of hot air in the air outlet cavity 33 enters the cooling air duct 40.
The amount of air entering the cooling duct 40 can be controlled by adjusting the ratio of the "through hole" to the "cooling duct inlet". As an extreme case, the through holes in the fan guard 35 may be eliminated, allowing all the hot air to enter the cooling duct 40. The battery pack 50 is disposed at the rear side of the housing and at the bottom of the housing, the housing is further formed with a handle 14, and the handle 14 is also disposed at the rear side of the housing and at the upper portion of the battery pack 50. A switch may be provided on the upper portion of the handle 14 to facilitate a user's single hand gripping the handle 14 and enabling operation of the cleaner.
In this embodiment, the housing includes the upper connection part 11 and the lower connection part 12, and a hollow part is formed between the upper connection part 11 and the lower connection part 12, and the dust cup assembly 20 is partially exposed from the hollow part, that is, the housing covers only a part of the dust cup assembly 20, thereby not only increasing the overall connection strength of the housing and the dust cup assembly 20, but also making the structure of the cleaner more compact. The dirt cup assembly 20 includes a cylindrical dirt cup 21, a separator 22 disposed within the dirt cup 21, and a filter 23 connected to the dirt cup 21 and downstream of the separator 22. A second opening 32 is provided in the housing adjacent the filter 23, and fluid entering the dirt cup 21 is separated and filtered and then discharged from the second opening 32, then into the fan's outlet chamber 33, into the cooling air duct 40 and/or from the through holes in the fan housing 35.
Referring to fig. 10 and 11 in combination, the battery pack 50 is used to power the blower 30 and includes a battery pack housing 53 and a battery cell housed within the battery pack housing 53. In order to facilitate heat dissipation of the battery pack, a hole is formed in one side of the battery pack outer cover 53 connected with the shell to form a first air port 51 of the battery pack, namely the first air port 51 is arranged towards the shell; a hole is also formed in the battery pack cover 53 opposite to the outer side of the case, forming a second air port 52 of the battery pack. In this embodiment, it is preferable that the first air port 51 constitutes an air inlet of the battery pack, the second air port 52 constitutes an air outlet of the battery pack, and the first air port 51 and the second air port 52 are provided on opposite sides of the outer cover of the battery pack in order to enable more uniform heat dissipation. The battery pack 50 is slidably coupled to the housing in the front-rear direction of the cleaner, and thus the first air port 51 and the second air port 52 are disposed opposite to each other in the sliding direction of the battery pack. In addition, in order to enhance the heat dissipation effect of the battery pack, a cooling air duct 40 is provided between the air outlet chamber 33 of the blower 30 and the first air port 51, and the cooling air duct 40 is used to introduce the air flowing out from the air outlet chamber 33 into the battery pack 50 for cooling the battery pack. The air outlet chamber 33 is disposed at the bottom of the housing, and the corresponding cooling air duct 40 is also disposed at the bottom of the housing. Specifically, the cooling air duct 40 is disposed around the periphery of the dust cup 21, that is, the length of the cooling air duct 40 is increased by surrounding the dust cup, hot air flows out of the air outlet chamber 33, passes through the cooling air duct 40, and is naturally cooled, and the cooling air duct 40 guides the direction of the cooling air to deliver the cooling air to the battery pack 50.
Referring to fig. 2, cooling air ducts 40 are formed between the left lower connection part 12a and the dust cup 21 and between the right lower connection part 12b and the dust cup 21, respectively, of the housing, which are surrounded from both sides in the circumferential direction of the dust cup from the air outlet chamber 33, and the air flow flowing out of the air outlet chamber may be divided into two, as indicated by arrows in the drawing, and the cooling air ducts 40 along both sides are merged to a position adjacent to the battery pack 50 and then enter the battery pack 50. Of course, as shown in fig. 3, a blocking member 49 is provided in the left cooling duct 40 between the lower left connecting portion 12a and the dust cup 21, so that the air flow passes only through the right cooling duct 40 between the lower right connecting portion 12b and the dust cup 21, as indicated by the arrow in the figure. The arrangement does not affect the external structure of the dust collector, and the shell can be arranged into two half approximately symmetrical shells, thereby being convenient to manufacture and assemble. Of course, in other embodiments, a left air duct or a right air duct may not be provided, and the cooling requirement of the battery pack may be met by the air outlet of the single air duct.
With continued reference to fig. 4-8, the cooling duct 40 is formed by the combination of the dirt cup exterior wall and the cleaner housing. The dust cup outer side wall is located the first chimb 422 of dust cup that is equipped with dust cup recess 421 and with dust cup recess 421 axial interval along its circumference top-down in the cooling air duct upside, and the shell includes the first chimb 412 of casing upper end chimb 411 and the casing that set up along dust cup axial interval, and in the dust cup recess 421 was located to casing upper end chimb 411 card, the first chimb 412 card of casing was located one side that dust cup first chimb 422 was close to the cooling air duct. The dirt cup lateral wall is located cooling air flue downside along its circumference be equipped with dirt cup second chimb 423 and with second chimb 423 axial spaced's dirt cup bottom chimb 424, the shell includes along the casing second chimb 413, casing third chimb 414 and the casing bottom chimb 415 of dirt cup axial spacing setting, the one side that the dirt cup second chimb 423 is close to the cooling air flue is located to casing second chimb 413 card, between dirt cup second chimb 423 and the dirt cup bottom chimb 415, the radial butt of casing bottom chimb 415 the bottom of dirt cup. The first rim 422 and the second rim 423 define an up-down position of the cooling air duct, and the outer wall of the dust cup between the first rim 422 and the second rim 423 forms the first side wall 41 of the cooling air duct. The first flange 412 and the second flange 413 are an upper wall and a lower wall of the cooling air duct, respectively, and the inner side wall of the casing between the first flange 412 and the second flange 413 forms a second side wall 42 of the cooling air duct. The cooling air duct is formed by the outer shell and the outer side of the dust cup, and the clamping connection enables the cooling air duct structure to be more airtight. The cooling air duct 40 may be disposed on one side of the dust cup, i.e., the left side or the right side, or may be disposed on both sides, which may be achieved by the above-described structure.
In the above embodiment, the cooling air duct 40 communicating the air outlet cavity 33 and the battery pack 50 is formed through the outer wall of the shell and the dust cup, so that the air flowing out from the air outlet cavity 33 can be used for heat dissipation of the battery pack 50 after being cooled in the cooling air duct 40, the cooling air duct 40 is used for wrapping the dust cup, the length of the cooling air duct 40 is prolonged, the cooling effect is enhanced, therefore, the heat dissipation effect of the battery pack is good, the air outlet of the dust collector is facilitated, the energy is saved, the filtered air flow is blown to the battery pack again, the influence on the battery core inside the battery pack is avoided, and the service life of the battery pack is prolonged.
In a preferred second embodiment of the present invention, the main body structure of the cleaner is similar to that of the above-described embodiment, and will not be described again. Referring to fig. 12 (see fig. 10 and 11 in combination), in this embodiment, the first air port 51 of the battery pack is used as an air outlet of the battery pack, and the second air port 52 of the battery pack is used as an air inlet of the battery pack. A vent hole (not shown) is provided in the sidewall of the dust cup at a position corresponding to the first air port 51 of the battery pack as a third opening. The third opening and the first tuyere 51 form therebetween an induced draft cooling air duct different from the first embodiment. When the dust collector works, negative pressure is generated in the air duct of the fan 30, the dust cup 21 is communicated with the first air port 51 of the battery pack through the third opening, external air of the dust collector is sucked under the action of the negative pressure in the dust cup 21, the air is sucked by the second air port 52 of the battery pack, after the battery pack is cooled down, the air is discharged from the first air port 51 of the battery pack, enters the dust cup from the third opening of the dust cup, is discharged from the second opening 32 through the separator and the filter, enters the fan 30, and is discharged from the air outlet cavity 33, as shown by an arrow in the figure.
In a preferred third embodiment of the present invention, the main body structure of the cleaner is similar to that of the above-described embodiment, and will not be described again. Referring to fig. 13 and 14 (see fig. 10 and 11 in combination), in the present embodiment, the first air port 51 of the battery pack is used as the air outlet of the battery pack, and the second air port 52 of the battery pack is used as the air inlet of the battery pack. An air outlet air duct 60 is arranged between the shell and the dust cup assembly, and the air outlet air duct 60 is communicated with the air outlet cavity 33 and the outside. The air outlet duct 60 is provided with a throat portion 62, and the inner diameter of the throat portion 62 is obviously smaller than the inner diameters of other parts of the air outlet duct 60, so that high-speed air flow is formed. The throat portion 62 communicates with the first air port 51 of the battery pack 50, and in this embodiment, an inverted horn-shaped battery air outlet duct 55 is disposed between the first air port 51 of the battery pack and the throat portion 62, and the battery air outlet duct 55 and the throat portion 62 of the cooling duct 60 form a venturi structure. External cold air is pumped into the battery pack from the second air port 52 by utilizing the venturi principle, the battery cells are cooled, then enter the air outlet air duct 60 from the first air port 51, and are discharged from the outlet 63 of the air outlet air duct 60, as shown by arrows in the figure. The position and structure of the cooling air duct may also be similar to those of the first embodiment. In this embodiment, it is preferable that the air outlet duct 60 is disposed around the dust cup, and the outlet 63 of the air outlet duct 60 is disposed at the left rear side of the dust cup, that is, the air outlet duct 60 is disposed around the dust cup from the air outlet chamber, the throat portion 62 is disposed at a position substantially opposite to the first air port 51 of the battery pack 50, and the cooling duct from the throat portion 62 to the outlet 63 is disposed such that the air outlet direction is substantially tangential to the dust cup 21 at the throat portion 62, so that the outlet 63 is disposed at the lower portion of the left rear side of the cleaner. Of course, the air outlet duct can also bypass the dust cup along the left side, and the outlet is positioned at the lower part of the right rear side of the dust collector. Or the two sides are provided with air outlet channels, and the air outlet channels on the two sides can be arranged to be mutually noninterfere.
A preferred fourth embodiment of the present invention is a further improvement of the third embodiment. Referring to fig. 15, a throat portion 62 is provided in the air outlet duct 60, and the throat portion 62 communicates with the battery air outlet duct 55. Near the throat portion 62, the air in the air outlet duct 60 flows in the direction of arrow A1, and the air in the battery pack air outlet duct 55 flows in the direction of arrow A2, wherein an included angle i is formed between the arrow A1 and the arrow A2, and i is an acute angle. In this embodiment, an acute angle is formed between the extending direction of the battery air outlet duct 55 and the extending direction of the air outlet duct 60, so that the air flow in the battery air outlet duct 55 can be converged into the air flow in the air outlet duct 60 along the air flow direction in the air outlet duct 60, thereby reducing the resistance and enhancing the cooling effect of the battery pack.
It should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is for clarity only, and that the skilled artisan should recognize that the embodiments may be combined as appropriate to form other embodiments that will be understood by those skilled in the art.
The above list of detailed descriptions is only specific to practical embodiments of the present invention, and they are not intended to limit the scope of the present invention, and all equivalent embodiments or modifications that do not depart from the spirit of the present invention should be included in the scope of the present invention.
Claims (13)
1. The utility model provides a dust catcher, includes the shell, connects in dust cup subassembly (20) of shell, installs fan (30) in the shell and connect in the shell give fan powered battery package (50), the shell has intercommunication external air intake (13), the fan is used for following the air intake will outside fluid is introduced dust cup subassembly discharges after filtering, its characterized in that: the battery pack is provided with a first air opening (51) facing the shell and a second air opening (52) communicated with the outside, the fan is provided with an air outlet cavity (33), an air outlet air channel (60) communicated with the air outlet cavity and the outside is arranged between the shell and the dust cup component, the air outlet air channel (60) comprises a venturi tube structure part, the first air opening is communicated with the venturi tube structure part through an air channel (55), and under the action of air flow in the air outlet air channel (60), external air flow enters from the second air opening and enters the air outlet air channel (60) through the air channel (55).
2. A vacuum cleaner as claimed in claim 1, wherein: the venturi mechanism portion includes a throat portion (62); the first air port is communicated with the throat pipe part through an air duct (55).
3. A cleaner according to claim 2, wherein the direction of air flow in the outlet duct (60) is at an acute angle to the direction of air flow in the duct (55) in the vicinity of the throat portion (62).
4. A vacuum cleaner according to any one of claims 1 to 3, wherein: the shell comprises an upper connecting part and a lower connecting part, a hollow part is formed between the upper connecting part and the lower connecting part, and the dust cup component part is exposed from the hollow part; the dust cup assembly comprises a cylindrical dust cup, the cooling air duct is arranged between the lower connecting portion and the outer wall of the dust cup, and the air outlet cavity is arranged at a position close to the lower connecting portion.
5. A vacuum cleaner according to any one of claims 1 to 3, wherein: the air outlet air duct is arranged near the periphery of the bottom of the dust cup assembly, and the dust cup assembly is wrapped from one side of the air outlet cavity.
6. A vacuum cleaner as claimed in claim 5, wherein: the dust cup assembly comprises a cylindrical dust cup, and the cooling air duct is formed by a shell and the outer side wall of the dust cup.
7. A vacuum cleaner as claimed in claim 6, wherein: the dust cup is located the cooling air duct upside along its circumference be equipped with the dust cup recess and with the first chimb of dust cup recess axial interval, the shell includes along the first chimb of the casing upper end and the first chimb of casing that the dust cup axial interval set up, the chimb card of casing upper end is located in the dust cup recess, the first chimb card of casing is located the first chimb of dust cup is close to one side of cooling air duct.
8. A vacuum cleaner as claimed in claim 6, wherein: the dust cup is located the cooling air duct downside along its circumference be equipped with dust cup second chimb and with second chimb axial spaced's dust cup bottom chimb, the shell includes along dust cup axial spaced's casing second chimb, casing third chimb and casing bottom chimb, the casing second chimb card is located dust cup second chimb is close to one side of cooling air duct, casing third chimb card is located between dust cup second chimb and the dust cup bottom chimb, the radial butt of casing bottom chimb the bottom of dust cup.
9. A vacuum cleaner according to any one of claims 1 to 3, wherein: the dust cup assembly is provided with a first opening, an air inlet channel is arranged between the air inlet and the first opening, the dust cup assembly is also provided with a second opening communicated with the air outlet cavity, and the filtered gas is discharged from the air outlet cavity through the second opening.
10. A vacuum cleaner according to any one of claims 1 to 3, wherein: the cooling air duct is wrapped along one side of the dust cup assembly from the air outlet cavity, and air flow from the air outlet cavity can enter the first air port and then be discharged from the second air port.
11. A vacuum cleaner according to any one of claims 2 to 3, wherein: the dust collector is provided with a front side and a rear side, wherein the front side is provided with an air inlet, the dust cup assembly is surrounded by the cooling air duct from the air outlet cavity, and the outlet of the cooling air duct is arranged at the left rear side or the right rear side of the dust collector.
12. A vacuum cleaner as claimed in claim 11, wherein: the throat pipe part is arranged at a position corresponding to the first air opening, and the arrangement of the part from the throat pipe part to the outlet of the air outlet air duct of the cooling air duct makes the air outlet direction tangential to the dust cup component at the position of the throat pipe part.
13. A vacuum cleaner as claimed in claim 1, wherein: the dust collector also comprises a through hole communicated with the air outlet cavity and the outside, and the proportion between the air quantity entering the through hole from the air outlet cavity and the air quantity entering the air outlet air channel from the air outlet cavity can be adjusted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711387493.9A CN108113571B (en) | 2017-12-20 | 2017-12-20 | Dust collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711387493.9A CN108113571B (en) | 2017-12-20 | 2017-12-20 | Dust collector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108113571A CN108113571A (en) | 2018-06-05 |
| CN108113571B true CN108113571B (en) | 2023-11-21 |
Family
ID=62230801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711387493.9A Active CN108113571B (en) | 2017-12-20 | 2017-12-20 | Dust collector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108113571B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11819178B2 (en) * | 2018-11-26 | 2023-11-21 | Omachron Intellectual Property Inc. | Surface cleaning apparatus |
| WO2019157168A1 (en) | 2018-02-09 | 2019-08-15 | Sharkninja Operating Llc | Accessories for a surface treatment apparatus |
| US11399675B2 (en) * | 2018-07-31 | 2022-08-02 | Sharkninja Operating Llc | Upright surface treatment apparatus having removable pod |
| AU2019312591B2 (en) * | 2018-07-31 | 2023-03-16 | Sharkninja Operating Llc | Upright surface treatment apparatus having removable pod |
| CN109512337B (en) * | 2019-01-07 | 2024-01-12 | 珠海格力电器股份有限公司 | Noise-reducing and heat-radiating structure and dust collector thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3940826A (en) * | 1973-10-12 | 1976-03-02 | Clarke-Gravely Corporation | Portable surface cleaner |
| EP1621126A1 (en) * | 2004-07-26 | 2006-02-01 | CANDY S.p.A. | Improved domestic vacuum cleaner |
| CN102197975A (en) * | 2010-03-25 | 2011-09-28 | 松下电器产业株式会社 | Electric dust collector |
| CN208693155U (en) * | 2017-12-20 | 2019-04-05 | 天佑电器（苏州）有限公司 | Dust catcher |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9897336B2 (en) * | 2009-10-30 | 2018-02-20 | Gilbert S. Staffend | High efficiency air delivery system and method |
-
2017
- 2017-12-20 CN CN201711387493.9A patent/CN108113571B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3940826A (en) * | 1973-10-12 | 1976-03-02 | Clarke-Gravely Corporation | Portable surface cleaner |
| EP1621126A1 (en) * | 2004-07-26 | 2006-02-01 | CANDY S.p.A. | Improved domestic vacuum cleaner |
| CN102197975A (en) * | 2010-03-25 | 2011-09-28 | 松下电器产业株式会社 | Electric dust collector |
| CN208693155U (en) * | 2017-12-20 | 2019-04-05 | 天佑电器（苏州）有限公司 | Dust catcher |
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| CN108113571A (en) | 2018-06-05 |
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