CN106175588B - The bottom plate of scrubbing brush, brush assemblies and dust catcher - Google Patents
The bottom plate of scrubbing brush, brush assemblies and dust catcher Download PDFInfo
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- CN106175588B CN106175588B CN201610541286.3A CN201610541286A CN106175588B CN 106175588 B CN106175588 B CN 106175588B CN 201610541286 A CN201610541286 A CN 201610541286A CN 106175588 B CN106175588 B CN 106175588B
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- air
- flow
- bottom plate
- wind guide
- scrubbing brush
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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
- 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
- A47L9/02—Nozzles
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- Nozzles For Electric Vacuum Cleaners (AREA)
Abstract
The present invention provides a kind of bottom plate of scrubbing brush, brush assemblies and dust catcher, airflow channel is formed in bottom plate, the bottom of bottom plate offers wind guide tank in bar shaped of the opening towards ground, one end of wind guide tank extends at the air inlet of airflow channel, and it is connected with airflow channel, and air-guiding aisle is formed between wind guide tank and ground；Wherein, along the flow direction of air-flow, the cross-sectional area of air-guiding aisle is gradually increased.The bottom plate of scrubbing brush provided by the invention, by opening up wind guide tank on bottom plate, make to form the air-guiding aisle that cross-sectional area is gradually increased between wind guide tank and ground, it can play the role of dilatation deceleration to air-flow, whirlpool is generated in the inlet of airflow channel so as to avoid the air-flow that wind and dust and other impurities are formed, and then dust is detained in the inlet for avoiding airflow channel, improve the dust removing effects of scrubbing brush, good improvement result also is played to the noise of scrubbing brush simultaneously, improves the usage comfort of user.
Description
Technical field
The present invention relates to cleaner technology field, in particular to a kind of bottom plate, a kind of comprising the bottom plate of scrubbing brush
Ground brush assemblies and a kind of dust catcher comprising the ground brush assemblies.
Background technique
Currently, the bottom plate of floor brush of dust collector is equipped with wool top, wool top is equipped with air inlet, what wind and dust and other impurities were formed
Air-flow is directly entered scrubbing brush cavity after the air inlet high speed on wool top enters.Since space increases suddenly after entering scrubbing brush cavity
Greatly, flow velocity reduces, and easily generates whirlpool in the inlet of air inlet and scrubbing brush cavity, dust is caused to be detained, reduce dust removing effects, and
And it can also generate noise.
Summary of the invention
At least one in order to solve the above-mentioned technical problem, it is an object of the present invention to provide a kind of bottom plates of scrubbing brush.
It is another object of the present invention to provide a kind of ground brush assemblies including above-mentioned bottom plate.
Yet another object of the invention is that providing a kind of dust catcher including above-mentioned ground brush assemblies.
To achieve the goals above, the embodiment of first aspect present invention provides a kind of bottom plate of scrubbing brush, the bottom plate
It is inside formed with airflow channel, the bottom of the bottom plate offers wind guide tank in bar shaped of the opening towards ground, the wind guide tank
One end extend at the air inlet of the airflow channel, and be connected with the airflow channel, and the wind guide tank and ground
Between form air-guiding aisle；Wherein, along the flow direction of air-flow, the cross-sectional area of the air-guiding aisle is gradually increased.
The bottom plate for the scrubbing brush that the embodiment of first aspect present invention provides, opens up wind guide tank by the bottom in bottom plate, makes
The air-guiding aisle that cross-sectional area is gradually increased is formed between wind guide tank and ground, the air-flow that wind and dust and other impurities are formed is through wind-guiding
Channel enters in airflow channel, then air-guiding aisle can play the role of dilatation deceleration to air-flow, so as to avoid wind and dust
The air-flow of formation generates whirlpool in the inlet of airflow channel, and then dust is detained in the inlet for avoiding airflow channel, is promoted
The dust removing effects of scrubbing brush, while also good improvement result is played to the noise of scrubbing brush, improve the usage comfort of user.
Specifically, wind-guiding channel opening is towards ground, i.e., opening down, ensure that air-flow can impact ground, by the dust on ground
It rolls, plays dustproof function；Wind guide tank is in bar shaped, and one end extends at the air inlet of airflow channel, and and airflow channel
It is connected, i.e. one end of bar shaped wind guide tank is also opening, ensure that air-flow can be swimmingly logical from air-guiding aisle inflow stream
It in road, and is directly entered in airflow channel after flowing through air-guiding aisle, to play the role of dilatation deceleration.
It is understood that the opening of wind guide tank refers to that scrubbing brush is normally placed on ground towards ground in the technical program
When on face, wind guide tank it is opening down, i.e., opening is towards ground；Without representing under any state, the equal direction of the opening of wind guide tank
Ground, such as: when scrubbing brush is held upright or scrubbing brush is placed on other objects, the opening of wind guide tank is then towards other
Respective direction.
It is worth noting that in the technical program, airflow channel can only refer to that having of opening up on bottom plate is certain thickness
Suction inlet, can also refer to the integrally formed scrubbing brush chamber of suction inlet, can also refer to the combination etc. of scrubbing brush chamber and air inlet pipe, due to ground
The cavity and air inlet pipe of brush chamber can be integrally formed with bottom plate, thus can be formed by bottom plate；The cavity of certain scrubbing brush chamber and/
Or air inlet pipe can also be split type structure with bottom plate, at this point, airflow channel refers to thering is certain thickness suction on bottom plate
The channel that dirt mouth is formed.
In addition, the bottom plate of the scrubbing brush in above-described embodiment provided by the invention can also have following additional technical feature:
In the above-mentioned technical solutions, along the flow direction of air-flow, the bottom wall of the wind guide tank gradually tilts upwards.
Along the flow direction of air-flow, the bottom wall of wind guide tank gradually tilts upwards, then between the bottom wall and ground of wind guide tank
Distance be gradually increased, thus the cross-sectional area of air-guiding aisle can be gradually increased；Since airflow channel upwardly extends, because
And the air-flow for entering airflow channel flows up；When the bottom wall of wind guide tank gradually tilts upwards, air-flow is flowing through wind-guiding
It when channel, also gradually flows up, and then in inflow stream channel, in this way, when air-flow enters airflow channel by air-guiding aisle, stream
To change it is relatively small, i.e., there is certain transition, thus the flowing of air-flow is more flat between air-guiding aisle and airflow channel
Surely, to further improve the dust removing effects of scrubbing brush, and the noise generated when scrubbing brush operation is further improved.
In any of the above-described technical solution, the other end of the wind guide tank is extended on the bottom end face of the bottom plate.
The other end of wind guide tank extends on the bottom end face of bottom plate, i.e., the other end of the bottom wall of wind guide tank and side wall is another
One end all extends on the bottom end face of bottom plate, and making the other end of wind guide tank is also openning shape, at this point, the bottom end face of bottom plate with
Also there is certain gap, the air-flow that ensure that wind and dust are formed can be directly entered air-guiding aisle between ground；Due to edge
The flow direction of air-flow, the cross-sectional area of air-guiding aisle is gradually increased, thus wind-guiding corresponding with the other end of wind guide tank
Cross-sectional area at channel is minimum, so wind speed herein is maximum, can generate percussion to ground, make the dust on ground
It raises, and then dust is rolled into airflow channel, play dustproof function；When the other end of wind guide tank extends to the bottom of bottom plate
When on end face, the distance between the other end of wind guide tank and ground can be minimized, so the cross of air-guiding aisle herein
Sectional area also minimizes, it is thus possible to the wind speed at this is further promoted, to further promote the dust collection capacity of scrubbing brush.
In any of the above-described technical solution, the bottom wall of the wind guide tank is plane.
The bottom wall of wind guide tank is plane, ensure that air-flow can swimmingly flow through air-guiding aisle, without in wind guide tank
It is detained, to further improve the dust collection capacity of scrubbing brush；Similarly, it is preferable that the side wall of wind guide tank is also plane, in this way
The dust collection capacity of scrubbing brush can further be promoted.
In any of the above-described technical solution, the angle between the bottom wall and horizontal plane of the wind guide tank is not more than 15 °.
Angle between the bottom wall and horizontal plane of wind guide tank is set no more than 15 °, is guaranteeing that air-flow can be smoothly by leading
On the basis of wind channel transition to airflow channel, it is ensured that air-flow can stably enter in air-guiding aisle, without because of hair
Raw flow direction is mutated and interferes with the flowing of air-flow, to also further improve the dust removing effects of scrubbing brush.
In any of the above-described technical solution, the bottom of the bottom plate is additionally provided with water conservancy diversion in bar shaped of the opening towards ground
Slot, for the wind guide tank between the diversion trench and the airflow channel, one end of the diversion trench extends to the bottom plate
Front end, and form air inlet, and form flow-guiding channel between the diversion trench and ground；Wherein, along the flowing side of air-flow
To the cross-sectional area of the flow-guiding channel is gradually reduced.
Diversion trench is opened up by the bottom in bottom plate, makes to form leading of being gradually reduced of cross-sectional area between diversion trench and ground
Circulation road, the air-flow that wind and dust and other impurities are formed is followed by airflow channel is entered after flow-guiding channel, air-guiding aisle, then water conservancy diversion
Channel can play the role of the speedup that throttles to air-flow, to effectively increase the flow velocity of air-flow, enhance air-flow to ground ash
The impact capacity of dirt, and then effectively improve the dust removing effects of scrubbing brush.Specifically, channel openings are open towards ground
Downward, it ensure that air-flow can impact ground, the dust on ground rolled, dustproof function is played；Diversion trench is in bar shaped, and
One end extends to the front end of bottom plate, and forms air inlet, i.e. one end of diversion trench is also opening, ensure that air-flow can be suitable
Freely enter flow-guiding channel, and then plays the role of the speedup that throttles.In other words, in the technical program, air-flow is first through flow-guiding channel
Throttle speedup, to enhance the impact capacity to ground, and then promotes the dust collection capacity of scrubbing brush, then subtracts through air-guiding aisle dilatation
Speed causes dust to be detained or generates noise, thus into one so that air-flow stably enters in airflow channel without generating whirlpool
Step improves the dust collection capacity of scrubbing brush, and reduces noise when scrubbing brush operation.
In any of the above-described technical solution, along the flow direction of air-flow, the bottom wall of the diversion trench tilts gradually downward.
Along the flow direction of air-flow, the bottom wall of diversion trench tilts gradually downward, then between the bottom wall and ground of diversion trench
Distance be gradually reduced, thus the cross-sectional area of flow-guiding channel can be gradually reduced；Meanwhile when the bottom wall of diversion trench gradually downward
When inclination, air-flow also flows gradually downward when flowing through flow-guiding channel, it is thus possible to increase air-flow rushing to the dust on ground
The effect of hitting, to further promote the dust removing effects of scrubbing brush.
In any of the above-described technical solution, the other end of the diversion trench is extended on the bottom end face of the bottom plate.
The other end of diversion trench extends on the bottom end face of bottom plate, i.e., the other end of the bottom wall of diversion trench and side wall is another
One end all extends on the bottom end face of bottom plate, and making the other end of diversion trench is also openning shape, at this point, the bottom end face of bottom plate with
Also there is certain gap, the air-flow that ensure that wind and dust are formed is able to enter subsequent airflow channel between ground；Due to
Along the flow direction of air-flow, the cross-sectional area of flow-guiding channel is gradually reduced, thus corresponding with the other end of diversion trench is led
Cross-sectional area at circulation road is minimum, so wind speed herein is maximum, and it is most strong to the percussion on ground, it can make on ground
Dust raises, and then dust is rolled into airflow channel, plays dustproof function；When the other end of diversion trench extends to bottom plate
When on bottom end face, the distance between the other end of diversion trench and ground are minimized, so flow-guiding channel herein is transversal
Area also minimizes, it is thus possible to the wind speed at this is further promoted, to further promote the dust collection capacity of scrubbing brush.
In any of the above-described technical solution, the bottom wall of the diversion trench is plane.
The bottom wall of diversion trench is plane, ensure that air-flow can swimmingly flow through flow-guiding channel, without in diversion trench
It is detained, to further improve the dust collection capacity of scrubbing brush；Similarly, it is preferable that the side wall of diversion trench is also plane, in this way
The dust collection capacity of scrubbing brush can further be promoted.
In any of the above-described technical solution, the angle between the bottom wall and horizontal plane of the diversion trench is not more than 30 °.
Angle between the bottom wall and horizontal plane of diversion trench is set no more than 30 °, effectively can impact ground in guarantee air-flow
On the basis of face, it is ensured that still horizontal velocity with higher, such air-flow can sweep along the dust raised fast to air-flow
Speed enters in airflow channel, to further improve the dust collection capacity of scrubbing brush.
In any of the above-described technical solution, along the flow direction of air-flow, the projection of the wind guide tank in the horizontal plane
Width is gradually reduced.
Along the flow direction of air-flow, the width of the projection of wind guide tank in the horizontal plane is gradually reduced, and can be avoided wind-guiding
The cross-sectional area in channel increases too fast, to guarantee on the basis of guaranteeing that air-guiding aisle can play dilatation decelerating effect
Air velocity in air-guiding aisle will not be excessively slow, to further ensure the dust removing effects of scrubbing brush.
In any of the above-described technical solution, along the flow direction of air-flow, the projection of the diversion trench in the horizontal plane
Width is gradually reduced.
Along the flow direction of air-flow, the width of the projection of diversion trench in the horizontal plane is gradually reduced, then flow-guiding channel
Cross-sectional area can quickly reduce, to enable the air-flow in flow-guiding channel quickly to improve in a short time, with quick washing
Dustproof function is played on ground, to further improve the dust removing effects of scrubbing brush.
In any of the above-described technical solution, multiple wind guide tanks are offered on the bottom plate.
Multiple wind guide tanks are opened up on bottom plate, are increased the throughput into airflow channel, are increased the cleaning face of scrubbing brush
Product, and then effectively increase the dust removing effects of scrubbing brush；Multiple wind guide tanks are distributed relatively uniformly among on bottom plate, ensure that scrubbing brush is clear
It sweeps the floor the uniformity in face, and then further improves the dust removing effects of scrubbing brush.Further, multiple water conservancy diversion are offered on bottom plate
Slot, multiple diversion trenches are distributed relatively uniformly among on bottom plate, and multiple diversion trenches and multiple wind guide tanks correspond, and in this way can
Further promote the dust collection capacity of scrubbing brush.
In any of the above-described technical solution, it is logical that the air-flow is directed toward in the projection of the axis of the air-guiding aisle in the horizontal plane
The middle part of the air inlet in road.
The axis of air-guiding aisle in the horizontal plane projection be directed toward airflow channel air inlet middle part, then no matter wind guide tank
Be provided at which position of bottom plate, the air-flow in air-guiding aisle can straight line enter airflow channel, so as to shorten air-flow
Stroke, and reduce interfering with each other between different air-flows, further improve the dust collection capacity of scrubbing brush.Further, it leads
The projection of the axis of circulation road in the horizontal plane is conllinear with the projection of the axis of air-guiding aisle in the horizontal plane, in this way can be into one
Step promotes the dust collection capacity of scrubbing brush.
In any of the above-described technical solution, between having between the other end of the diversion trench and the other end of the wind guide tank
Gap, so as to form transition passage between the flow-guiding channel and the air-guiding aisle；Wherein, along the flow direction of air-flow, institute
The cross-sectional area for stating transition passage remains unchanged.
There is gap, so that between flow-guiding channel and air-guiding aisle between the other end of diversion trench and the other end of wind guide tank
Transition passage is formed, since the air-flow in flow-guiding channel flows downward, the air-flow of air-guiding aisle is flowed up, and mistake
Channel is crossed between flow-guiding channel and air-guiding aisle, and cross-sectional area remains unchanged, thus transition passage can play effectively
Transitional function, so that air-flow is stably entered air-guiding aisle by flow-guiding channel, without excessive flow direction mutation occurs；Another party
Face, since the cross-sectional area of transition passage is minimum, thus flow velocity of the air-flow in transition passage is maximum, so transition passage is deposited
After enabling air-flow at full throttle to flow a period of time, then entering in airflow channel through air-guiding aisle, that is, is extending gas
The time of high speed dust removing is flowed, thus also further improves the dust removing effects of scrubbing brush.
In any of the above-described technical solution, the other end of the other end of the diversion trench and the wind guide tank all extends to institute
It states on the bottom end face of bottom plate, the bottom end face of the bottom plate is located at the another of the other end of the diversion trench and the wind guide tank
The transition passage is formed between part and ground between end.
The other end of diversion trench and the other end of wind guide tank all extend on the bottom end face of bottom plate, then positioned at diversion trench
Transition passage is formed between the bottom end face and ground of bottom plate between the other end and the other end of wind guide tank, on the one hand will in this way
The cross-sectional area of transition passage minimizes, to further improve the flow velocity of the air-flow in transition passage, is further promoted
The dust removing effects of scrubbing brush；The structure for also simplifying bottom plate simultaneously, reduces the manufacturing cost of product.
Certainly, it will be understood by those of skill in the art that opening direction can also be opened up between diversion trench and wind guide tank
The wind-guiding groove in bar shaped on ground, the both ends of wind-guiding groove are directly connected to the other end of diversion trench and the wind guide tank other end,
And the bottom wall of wind-guiding groove is horizontal, to guarantee that the cross-sectional area of transition passage remains unchanged, equally can be realized the present invention
Purpose, and without being detached from design philosophy and objective of the invention, thus the technical solution is also within the scope of the present invention.
The embodiment of second aspect of the present invention provides a kind of ground brush assemblies, comprising: as any in first aspect embodiment
The bottom plate of scrubbing brush described in；And cover board, the cover plate lid are located on the bottom plate.
The ground brush assemblies that the embodiment of second aspect of the present invention provides, because including described in any one of first aspect embodiment
Scrubbing brush bottom plate, thus have any of the above-described technical solution possessed by all beneficial effects, details are not described herein.
The embodiment of third aspect present invention provides a kind of dust catcher, including scrubbing brush group described in second aspect embodiment
Part.
The dust catcher that the embodiment of third aspect present invention provides, because including scrubbing brush group described in second aspect embodiment
Part, thus the dust removing effects of dust catcher are effectively increased, and reduce noise when dust catcher operation.
Additional aspect and advantage of the invention will become obviously in following description section, or practice through the invention
Recognize.
Detailed description of the invention
Above-mentioned and/or additional aspect of the invention and advantage will become from the description of the embodiment in conjunction with the following figures
Obviously and it is readily appreciated that, in which:
Fig. 1 is the present invention looks up structural representation of ground brush assemblies described in some embodiments of the invention；
Fig. 2 is the schematic cross-sectional view of brush assemblies as shown in Figure 1；
Fig. 3 is the enlarged structure schematic diagram in the portion A in Fig. 2.
Wherein, the corresponding relationship between appended drawing reference and component names of the Fig. 1 into Fig. 3 are as follows:
10 bottom plates, 11 airflow channels, 12 wind guide tanks, 13 diversion trenches, 14 wind-guiding grooves, 20 cover boards；
Arrow indicates the flow direction of air-flow in figure.
Specific embodiment
To better understand the objects, features and advantages of the present invention, with reference to the accompanying drawing and specific real
Applying mode, the present invention is further described in detail.It should be noted that in the absence of conflict, the implementation of the application
Feature in example and embodiment can be combined with each other.
In the following description, numerous specific details are set forth in order to facilitate a full understanding of the present invention, still, the present invention may be used also
To be implemented using other than the one described here other modes, therefore, protection scope of the present invention is not by described below
Specific embodiment limitation.
Referring to Fig. 1 to Fig. 3 description scrubbing brush described according to some embodiments of the invention bottom plate, brush assemblies and suction
Dirt device.
As shown in Figure 1 to Figure 3, the bottom plate 10 for the scrubbing brush that the embodiment of first aspect present invention provides, bottom plate 10 is interior to be formed
There is airflow channel 11, the bottom of bottom plate 10 offers wind guide tank 13 in bar shaped of the opening towards ground, one end of wind guide tank 13
It extends at the air inlet of airflow channel 11, and is connected with airflow channel 11, and form wind-guiding between wind guide tank 13 and ground
Channel；Wherein, along the flow direction of air-flow, the cross-sectional area of air-guiding aisle is gradually increased.
The bottom plate 10 for the scrubbing brush that the embodiment of first aspect present invention provides, by opening up wind guide tank in the bottom of bottom plate 10
13, make to form the air-guiding aisle that cross-sectional area is gradually increased between wind guide tank 13 and ground, the gas that wind and dust and other impurities are formed
It flows through air-guiding aisle to enter in airflow channel 11, then air-guiding aisle can play the role of air-flow dilatation deceleration, to avoid
The air-flow that wind and dust are formed generates whirlpool in the inlet of airflow channel 11, and then avoids the inlet of airflow channel 11
It is detained dust, improves the dust removing effects of scrubbing brush, while good improvement result also is played to the noise of scrubbing brush, improve user
Usage comfort.
Specifically, the opening of wind guide tank 13 is towards ground, i.e., opening down, ensure that air-flow can impact ground, by ground
Dust on face is rolled, and dustproof function is played；Wind guide tank 13 is in bar shaped, and one end extends to the air inlet of airflow channel 11
Place, and is connected with airflow channel 11, i.e. one end of bar shaped wind guide tank 13 is also opening, ensure that air-flow can swimmingly from
It in air-guiding aisle inflow stream channel 11, and is directly entered in airflow channel 11 after flowing through air-guiding aisle, subtracts to play dilatation
The effect of speed.
In some embodiments of the invention, it is preferable that as shown in Figures 2 and 3, along the flow direction of air-flow, wind-guiding
The bottom wall of slot 13 gradually tilts upwards.
Preferably, as shown in Figures 2 and 3, the bottom wall of wind guide tank 13 is plane.
Preferably, as shown in Figures 2 and 3, the angle β between the bottom wall and horizontal plane of wind guide tank 13 is not more than 15 °.
Along the flow direction of air-flow, the bottom wall of wind guide tank 13 gradually tilts upwards, then the bottom wall of wind guide tank 13 and ground
The distance between be gradually increased, thus the cross-sectional area of air-guiding aisle can be gradually increased；Since airflow channel 11 is to prolong upwards
It stretches, thus the air-flow for entering airflow channel 11 flows up；When the bottom wall of wind guide tank 13 gradually tilts upwards, air-flow
It when flowing through air-guiding aisle, also gradually flows up, and then in inflow stream channel 11, in this way, air-flow is entered by air-guiding aisle
When airflow channel 11, the change of flow direction is relatively small, i.e., has certain transition between air-guiding aisle and airflow channel 11, thus
The flowing of air-flow is more steady, to further improve the dust removing effects of scrubbing brush, and further improves production when scrubbing brush is run
Raw noise.
The bottom wall of wind guide tank 13 is plane, ensure that air-flow can swimmingly flow through air-guiding aisle, without in wind guide tank
It is detained in 13, to further improve the dust collection capacity of scrubbing brush；Similarly, it is preferable that the side wall of wind guide tank 13 is also flat
Face can further promote the dust collection capacity of scrubbing brush in this way.
Angle β between the bottom wall and horizontal plane of wind guide tank 13 is set no more than 15 °, guarantee air-flow can smoothly by
Air-guiding aisle is transitioned on the basis of airflow channel 11, it is ensured that and air-flow can stably enter in air-guiding aisle, without
The flowing of air-flow is interfered with because flow direction mutation occurs, to also further improve the dust removing effects of scrubbing brush.
In one embodiment of the invention, it is preferable that the other end of wind guide tank 13 extends to the bottom end face of bottom plate 10
On.
In this embodiment, the other end of wind guide tank 13 extends on the bottom end face of bottom plate 10, i.e. the bottom of wind guide tank 13
The other end of wall and the other end of side wall all extend on the bottom end face of bottom plate 10, and making the other end of wind guide tank 13 is also opening
Shape ensure that the air-flow energy that wind and dust are formed at this point, also having certain gap between the bottom end face and ground of bottom plate 10
Enough it is directly entered air-guiding aisle；Due to the flow direction along air-flow, the cross-sectional area of air-guiding aisle is gradually increased, thus with lead
Cross-sectional area at the corresponding air-guiding aisle of the other end of wind groove 13 is minimum, so wind speed herein is maximum, and it can be to ground
Percussion is generated, raises the dust on ground, and then dust is rolled into airflow channel 11, plays dustproof function；When
It, can will be between the other end and ground of wind guide tank 13 when the other end of wind guide tank 13 is extended on the bottom end face of bottom plate 10
Distance minimizes, so the cross-sectional area of air-guiding aisle herein also minimizes, it is thus possible to further promoted at this
Wind speed, to further promote the dust collection capacity of scrubbing brush.
In other embodiments of the invention, further, as shown in Figure 1 to Figure 3, the bottom of bottom plate 10 is additionally provided with out
Mouthful towards ground the diversion trench 12 in bar shaped, wind guide tank 13 between diversion trench 12 and airflow channel 11, diversion trench 12
One end extends to the front end of bottom plate 10, and forms air inlet, and forms flow-guiding channel between diversion trench 12 and ground；Wherein, edge
The flow direction of air-flow, the cross-sectional area of flow-guiding channel be gradually reduced.
In the above-described embodiments, by opening up diversion trench 12 in the bottom of bottom plate 10, make shape between diversion trench 12 and ground
The air-flow that the flow-guiding channel being gradually reduced at cross-sectional area, wind and dust and other impurities are formed is logical followed by flow-guiding channel, wind-guiding
Enter airflow channel 11 behind road, then flow-guiding channel can play the role of the speedup that throttles to air-flow, to effectively increase air-flow
Flow velocity, enhance air-flow to the impact capacity of floor-dust, and then effectively improve the dust removing effects of scrubbing brush.
Specifically, the opening of diversion trench 12 is towards ground, i.e., opening down, ensure that air-flow can impact ground, by ground
Dust on face is rolled, and dustproof function is played；Diversion trench 12 is in bar shaped, and one end extends to the front end of bottom plate 10, and is formed
Air inlet, i.e. one end of diversion trench 12 are also opening, ensure that air-flow can swimmingly enter flow-guiding channel, and then play section
Flow the effect of speedup.
In other words, in these embodiments, air-flow first throttles speedup through flow-guiding channel, to enhance the impact capacity to ground,
And then the dust collection capacity of scrubbing brush is promoted, then slow down through air-guiding aisle dilatation, so that air-flow stably enters in airflow channel 11,
Cause dust to be detained or generate noise without generating whirlpool, to further improve the dust collection capacity of scrubbing brush, and reduces
Noise when scrubbing brush is run.
In the above embodiment, it is preferable that as shown in Figures 2 and 3, along the flow direction of air-flow, the bottom of diversion trench 12
Wall tilts gradually downward.
Preferably, as shown in Figures 2 and 3, the bottom wall of diversion trench 12 is plane.
Preferably, as shown in Figures 2 and 3, the angle α between the bottom wall and horizontal plane of diversion trench 12 is not more than 30 °.
Along the flow direction of air-flow, the bottom wall of diversion trench 12 tilts gradually downward, then the bottom wall of diversion trench 12 and ground
The distance between be gradually reduced, thus the cross-sectional area of flow-guiding channel can be gradually reduced；Meanwhile when the bottom wall of diversion trench 12 by
When gradually tilting down, air-flow also flows gradually downward when flowing through flow-guiding channel, it is thus possible to increase air-flow to the ash on ground
The percussion of dirt, to further promote the dust removing effects of scrubbing brush.
The bottom wall of diversion trench 12 is plane, ensure that air-flow can swimmingly flow through flow-guiding channel, without in diversion trench
It is detained in 12, to further improve the dust collection capacity of scrubbing brush；Similarly, it is preferable that the side wall of diversion trench 12 is also flat
Face can further promote the dust collection capacity of scrubbing brush in this way.
Angle α between the bottom wall and horizontal plane of diversion trench 12 is set no more than 30 °, can effectively be impacted in guarantee air-flow
On the basis of ground, it is ensured that still horizontal velocity with higher, such air-flow can sweep along the dust raised to air-flow
It rapidly enters in airflow channel 11, to further improve the dust collection capacity of scrubbing brush.
In one embodiment of the invention, it is preferable that as shown in Figures 2 and 3, the other end of diversion trench 12 extends to bottom
On the bottom end face of plate 10.
In this embodiment, the other end of diversion trench 12 extends on the bottom end face of bottom plate 10, i.e. the bottom of diversion trench 12
The other end of wall and the other end of side wall all extend on the bottom end face of bottom plate 10, and making the other end of diversion trench 12 is also opening
Shape ensure that the air-flow energy that wind and dust are formed at this point, also having certain gap between the bottom end face and ground of bottom plate 10
Enough enter subsequent airflow channel 11；Due to the flow direction along air-flow, the cross-sectional area of flow-guiding channel is gradually reduced, thus
Cross-sectional area at flow-guiding channel corresponding with the other end of diversion trench 12 is minimum, so wind speed herein is maximum, to ground
Percussion it is most strong, the dust on ground can be made to raise, and then dust is rolled into airflow channel 11, play dedusting work
With；When the other end of diversion trench 12 extends on the bottom end face of bottom plate 10, between the other end and ground of diversion trench 12
Distance minimizes, so the cross-sectional area of flow-guiding channel herein also minimizes, it is thus possible to further promoted at this
Wind speed, to further promote the dust collection capacity of scrubbing brush.
In other embodiment of the invention, as shown in Figure 1 to Figure 3, the other end and the wind guide tank 13 of diversion trench 12
There is gap, so as to form transition passage between flow-guiding channel and air-guiding aisle between the other end；Wherein, along the flowing of air-flow
The cross-sectional area in direction, transition passage remains unchanged.
Preferably, the other end of the other end of diversion trench 12 and wind guide tank 13 all extends on the bottom end face of bottom plate 10,
The bottom end face of bottom plate 10 is located at shape between the part and ground between the other end of diversion trench 12 and the other end of wind guide tank 13
At transition passage.
There is gap, so that flow-guiding channel and air-guiding aisle between the other end of diversion trench 12 and the other end of wind guide tank 13
Between form transition passage, since the air-flow in flow-guiding channel flows downward, the air-flow of air-guiding aisle is flowed up,
And transition passage is between flow-guiding channel and air-guiding aisle, and cross-sectional area remains unchanged, thus transition passage can play
Effective transitional function, makes air-flow stably enter air-guiding aisle by flow-guiding channel, without excessive flow direction mutation occurs；Separately
On the one hand, since the cross-sectional area of transition passage is minimum, thus flow velocity of the air-flow in transition passage is maximum, so transition passage
Presence, after enabling air-flow at full throttle to flow a period of time, then enter in airflow channel 11 through air-guiding aisle, that is, prolong
The time of air-flow high speed dust removing has been grown, thus has also further improved the dust removing effects of scrubbing brush.
The other end of diversion trench 12 and the other end of wind guide tank 13 all extend on the bottom end face of bottom plate 10, then are located at and lead
Transition passage is formed between the bottom end face and ground of bottom plate 10 between the other end of chute 12 and the other end of wind guide tank 13,
On the one hand the cross-sectional area of transition passage is minimized in this way, to further improve the stream of the air-flow in transition passage
Speed further improves the dust removing effects of scrubbing brush；Also simplify the structure of bottom plate 10 simultaneously, reduce the manufacturing of product at
This.
Certainly, it will be understood by those of skill in the art that opening can also be opened up between diversion trench 12 and wind guide tank 13
Towards the wind-guiding groove in bar shaped on ground, the both ends of wind-guiding groove and the other end of diversion trench 12 and 13 other end of wind guide tank are straight
Lead in succession, and the bottom wall of wind-guiding groove is horizontal, to guarantee that the cross-sectional area of transition passage remains unchanged, equally can be realized
The purpose of the present invention, and without being detached from design philosophy and objective of the invention, thus the technical solution is also in protection of the invention
In range.
In any of the above-described embodiment, as shown in Figure 1, along the flow direction of air-flow, wind guide tank 13 is in the horizontal plane
The width of projection is gradually reduced.
Along the flow direction of air-flow, the width of the projection of wind guide tank 13 in the horizontal plane is gradually reduced, and be can be avoided and is led
The cross-sectional area in wind channel increases too fast, to protect on the basis of guaranteeing that air-guiding aisle can play dilatation decelerating effect
The air velocity demonstrate,proved in air-guiding aisle will not be excessively slow, to further ensure the dust removing effects of scrubbing brush.
In any of the above-described embodiment, as shown in Figure 1, along the flow direction of air-flow, diversion trench 12 is in the horizontal plane
The width of projection is gradually reduced.
Along the flow direction of air-flow, the width of the projection of diversion trench 12 in the horizontal plane is gradually reduced, then flow-guiding channel
Cross-sectional area can quickly reduce, to enable the air-flow in flow-guiding channel quickly to improve in a short time, quickly to rush
Ground is hit, dustproof function is played, to further improve the dust removing effects of scrubbing brush.
In any of the above-described embodiment, as shown in Figure 1, offering multiple wind guide tanks 13 on bottom plate 10.
Multiple wind guide tanks 13 are opened up on bottom plate 10, are increased the throughput into airflow channel 11, are increased scrubbing brush
Sweep-out pattern, and then effectively increase the dust removing effects of scrubbing brush；Multiple wind guide tanks 13 are distributed relatively uniformly among on bottom plate 10, are protected
It has demonstrate,proved scrubbing brush and has cleaned the uniformity on ground, and then further improved the dust removing effects of scrubbing brush.Further, as shown in Figure 1, bottom
Multiple diversion trenches 12 are offered on plate 10, multiple diversion trenches 12 are distributed relatively uniformly among on bottom plate 10, and multiple diversion trenches 12
It is corresponded with multiple wind guide tanks 13, can further promote the dust collection capacity of scrubbing brush in this way.
In any of the above-described embodiment, lead to as shown in Figure 1, air-flow is directed toward in the projection of the axis of air-guiding aisle in the horizontal plane
The middle part of the air inlet in road 11.
The axis of air-guiding aisle in the horizontal plane projection be directed toward airflow channel 11 air inlet middle part, then no matter wind-guiding
Slot 13 is provided at which position of bottom plate 10, the air-flow in air-guiding aisle can straight line enter airflow channel 11, to contract
The short stroke of air-flow, and interfering with each other between different air-flows is reduced, further improve the dust collection capacity of scrubbing brush.Into one
Step ground, as shown in Figure 1, the projection of the axis of the projection in the horizontal plane of the axis of flow-guiding channel and air-guiding aisle in the horizontal plane
Collinearly, the dust collection capacity of scrubbing brush can be further promoted in this way.
In some embodiments of the invention, further, as shown in Figure 1, the bottom of the bottom plate is additionally provided with opening court
One end of wind-guiding groove 14 to the ground, the wind-guiding groove 14 extends to the left or right of the bottom plate, and forms air inlet
Mouthful, and left air-guiding aisle or right air-guiding aisle are formed between the wind-guiding groove 14 and ground, wherein the left air-guiding aisle or
The middle part of the air inlet of the airflow channel is directed toward in the projection of the axis of right air-guiding aisle in the horizontal plane；Further, along
The cross-sectional area of the flow direction of air-flow, the left air-guiding aisle or right air-guiding aisle is gradually reduced, further to promote scrubbing brush
Dust collection capacity.
The ground brush assemblies that the embodiment of second aspect of the present invention provides, comprising: such as any one of first aspect embodiment
The bottom plate 10 and cover board 20 of scrubbing brush, the lid of cover board 20 are located on bottom plate 10.
The ground brush assemblies that the embodiment of second aspect of the present invention provides, because including the ground of any one of first aspect embodiment
The bottom plate 10 of brush, thus there are all beneficial effects possessed by any of the above-described technical solution, details are not described herein.
The dust catcher that the embodiment of third aspect present invention provides, the ground brush assemblies including second aspect embodiment.
The dust catcher that the embodiment of third aspect present invention provides, because of the ground brush assemblies including second aspect embodiment, because
And the dust removing effects of dust catcher are effectively increased, and reduce noise when dust catcher operation.
In conclusion the bottom plate of scrubbing brush provided by the invention makes wind guide tank and ground by opening up wind guide tank on bottom plate
Between form the air-guiding aisle that is gradually increased of cross-sectional area, the air-flow that wind and dust and other impurities are formed enters air-flow through air-guiding aisle
In channel, then air-guiding aisle can play the role of dilatation deceleration to air-flow, and the air-flow formed so as to avoid wind and dust exists
The inlet of airflow channel generates whirlpool, and then dust is detained in the inlet for avoiding airflow channel, improves the dedusting of scrubbing brush
Effect, while good improvement result also is played to the noise of scrubbing brush, improve the usage comfort of user.
In the present invention, term " first ", " second ", " third " are only used for the purpose of description, and should not be understood as indicating
Or imply relative importance；Term " multiple " then refers to two or more, unless otherwise restricted clearly.Term " installation ",
The terms such as " connected ", " connection ", " fixation " shall be understood in a broad sense, for example, " connection " may be a fixed connection, being also possible to can
Dismantling connection, or be integrally connected；" connected " can be directly connected, can also be indirectly connected through an intermediary.For this
For the those of ordinary skill in field, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
In description of the invention, it is to be understood that the instructions such as term " on ", "lower", "left", "right", "front", "rear"
Orientation or positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of the description present invention and simplification is retouched
It states, rather than the device or unit of indication or suggestion meaning must have specific direction, be constructed and operated in a specific orientation,
It is thus impossible to be interpreted as limitation of the present invention.
In the description of this specification, the description of term " one embodiment ", " some embodiments ", " specific embodiment " etc.
Mean that particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one reality of the invention
It applies in example or example.In the present specification, schematic expression of the above terms are not necessarily referring to identical embodiment or reality
Example.Moreover, description particular features, structures, materials, or characteristics can in any one or more of the embodiments or examples with
Suitable mode combines.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (8)
1. a kind of bottom plate of scrubbing brush, which is characterized in that
Airflow channel is formed in the bottom plate, the bottom of the bottom plate offers wind-guiding in bar shaped of the opening towards ground
Slot, one end of the wind guide tank extend at the air inlet of the airflow channel, and are connected with the airflow channel, and described
Air-guiding aisle is formed between wind guide tank and ground；
Wherein, along the flow direction of air-flow, the cross-sectional area of the air-guiding aisle is gradually increased；
Along the flow direction of air-flow, the bottom wall of the wind guide tank gradually tilts upwards；
Along the flow direction of air-flow, the width of the projection of the wind guide tank in the horizontal plane is gradually reduced.
2. the bottom plate of scrubbing brush according to claim 1, which is characterized in that
The other end of the wind guide tank extends on the bottom end face of the bottom plate.
3. the bottom plate of scrubbing brush according to claim 1, which is characterized in that
The bottom wall of the wind guide tank is plane.
4. the bottom plate of scrubbing brush according to claim 3, which is characterized in that
Angle between the bottom wall and horizontal plane of the wind guide tank is not more than 15 °.
5. the bottom plate of scrubbing brush according to any one of claim 1 to 4, which is characterized in that
Multiple wind guide tanks are offered on the bottom plate.
6. the bottom plate of scrubbing brush according to claim 5, which is characterized in that
The middle part of the air inlet of the airflow channel is directed toward in the projection of the axis of the air-guiding aisle in the horizontal plane.
7. a kind of ground brush assemblies characterized by comprising
Such as the bottom plate of scrubbing brush described in any one of claims 1 to 6；With
Cover board, the cover plate lid are located on the bottom plate.
8. a kind of dust catcher, which is characterized in that including ground as claimed in claim 7 brush assemblies.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610541286.3A CN106175588B (en) | 2016-07-11 | 2016-07-11 | The bottom plate of scrubbing brush, brush assemblies and dust catcher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610541286.3A CN106175588B (en) | 2016-07-11 | 2016-07-11 | The bottom plate of scrubbing brush, brush assemblies and dust catcher |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106175588A CN106175588A (en) | 2016-12-07 |
| CN106175588B true CN106175588B (en) | 2019-03-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610541286.3A Active CN106175588B (en) | 2016-07-11 | 2016-07-11 | The bottom plate of scrubbing brush, brush assemblies and dust catcher |
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| CN (1) | CN106175588B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2861522T3 (en) | 2016-08-15 | 2021-10-06 | Midea Group Co Ltd | Dust collector and dust collector floor brush having the same |
| EP3838091A4 (en) * | 2018-08-21 | 2021-09-15 | Guangzhou Xiaoluo Robotics Co., Ltd. | Dust collection guide structure, dust collection mechanism, and floor-sweeping robot |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2457481A1 (en) * | 2010-11-26 | 2012-05-30 | Seb S.A. | Vacuum cleaner nozzle |
| FR2999410B1 (en) * | 2012-12-19 | 2015-11-06 | Seb Sa | TRAPPER FOR VACUUM SUCKER |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020076253A (en) * | 2000-11-16 | 2002-10-09 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | Suction attachment with a corner having a secondary suction opening |
| CN100382737C (en) * | 2003-10-30 | 2008-04-23 | 乐金电子(天津)电器有限公司 | Suction nozzle structure for vacuum cleaner |
| JP2007282768A (en) * | 2006-04-14 | 2007-11-01 | Matsushita Electric Ind Co Ltd | Vacuum cleaner |
| CN206044536U (en) * | 2016-07-11 | 2017-03-29 | 江苏美的清洁电器股份有限公司 | The base plate of scrubbing brush, brush assemblies and vacuum cleaner |
-
2016
- 2016-07-11 CN CN201610541286.3A patent/CN106175588B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2457481A1 (en) * | 2010-11-26 | 2012-05-30 | Seb S.A. | Vacuum cleaner nozzle |
| FR2999410B1 (en) * | 2012-12-19 | 2015-11-06 | Seb Sa | TRAPPER FOR VACUUM SUCKER |
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| Publication number | Publication date |
|---|---|
| CN106175588A (en) | 2016-12-07 |
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